/* ═══════════════════════════════════════════════════════
   GASSELSEDER PORTFOLIO - CHROME LIQUID DARK AESTHETIC
   ═══════════════════════════════════════════════════════ */

/* ── CUSTOM PROPERTIES ──────────────────────────────── */
:root {
  /* Core palette - "Deep Nebula" shading for bright-environment readability */
  --black: #060810;
  --bg-primary: #0c0d18;
  --bg-secondary: #111222;
  --bg-card: #151628;
  --bg-card-hover: #1c1d32;

  /* Chrome metallics */
  --chrome-dark: #2a2a35;
  --chrome-mid: #5a5a6e;
  --chrome-light: #9a9ab0;
  --chrome-bright: #d0d0e0;

  /* Primary accent - deep blue-violet (brightened slightly for card contrast) */
  --accent: #8568ff;
  --accent-dim: #6242e8;
  --accent-glow: rgba(133, 104, 255, 0.15);
  --accent-glow-strong: rgba(133, 104, 255, 0.35);

  /* Secondary accents */
  --accent-gold: #ffb830;
  --accent-gold-glow: rgba(255, 184, 48, 0.15);
  --accent-amber: #e8a020;
  --accent-amber-glow: rgba(232, 160, 32, 0.12);
  --accent-teal: #44e8d0;
  --accent-teal-glow: rgba(68, 232, 208, 0.12);
  --accent-rose: #ff6b8a;
  --accent-rose-glow: rgba(255, 107, 138, 0.12);
  --accent-sky: #54b5ff;
  --accent-sky-glow: rgba(84, 181, 255, 0.12);
  --accent-coral: #ff8855;
  --accent-coral-glow: rgba(255, 136, 85, 0.12);

  /* Text */
  --text-primary: #eeeef4;
  --text-secondary: #8a8aaa;
  --text-muted: #6e6e90;

  /* Borders - slightly more visible for bright-environment edge definition */
  --border: rgba(255, 255, 255, 0.10);
  --border-hover: rgba(133, 104, 255, 0.30);

  /* Spacing */
  --section-pad: clamp(24px, 3vh, 40px);
  --content-max: 1200px;

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── RESET & BASE ───────────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: linear-gradient(180deg, #10112a 0%, var(--bg-primary) 30%, var(--bg-primary) 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── AMBIENT GRAIN OVERLAY ───────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
  animation: grainShift 8s steps(10) infinite;
}

@keyframes grainShift {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-5%, -10%); }
  20% { transform: translate(-15%, 5%); }
  30% { transform: translate(7%, -15%); }
  40% { transform: translate(-5%, 15%); }
  50% { transform: translate(-15%, 10%); }
  60% { transform: translate(15%, 0%); }
  70% { transform: translate(0%, 10%); }
  80% { transform: translate(3%, -20%); }
  90% { transform: translate(-10%, 10%); }
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* Selection */
::selection {
  background: var(--accent);
  color: var(--black);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: var(--chrome-dark);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--chrome-mid); }

/* ── NAVIGATION ─────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  transition: all 0.6s var(--ease-out-expo);
  background: transparent;
}

.nav--scrolled,
.nav--solid {
  background: rgba(12, 13, 24, 0.85);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--border);
  padding: 14px 40px;
}

.nav__logo-img {
  height: 36px;
  width: auto;
  filter: brightness(1.4) contrast(1.2);
  transition: transform 0.4s var(--ease-out-expo), filter 0.4s ease;
}

.nav__logo-img:hover {
  transform: scale(1.1);
  filter: brightness(1.8) contrast(1.2) drop-shadow(0 0 8px var(--accent-glow-strong));
}

.nav__menu {
  display: flex;
  gap: 8px;
}

.nav__link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 6px;
  position: relative;
  transition: color 0.3s ease, background 0.3s ease;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.4s var(--ease-out-expo), left 0.4s var(--ease-out-expo);
}

.nav__link:hover,
.nav__link--active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 60%;
  left: 20%;
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}

.nav__toggle-bar {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.4s var(--ease-out-expo), opacity 0.3s ease;
}

.nav__toggle--open .nav__toggle-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__toggle--open .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav__toggle--open .nav__toggle-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ── HERO SECTION ───────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--black);
}

#heroCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero__gradient-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 30vh;
  background: linear-gradient(to top, var(--bg-primary), transparent);
  z-index: 2;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  margin-top: -6vh;
}

.hero__logo-wrap {
  position: relative;
  margin-bottom: 16px;
  transform-style: preserve-3d;
  will-change: transform;
  cursor: pointer;
}

.hero__logo {
  width: clamp(200px, 28vw, 360px);
  height: auto;
  filter: brightness(1.3) contrast(1.15);
  animation: heroLogoFloat 6s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

.hero__electricity {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  pointer-events: none;
}

.hero__logo-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 120%;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  filter: blur(40px);
  z-index: 1;
  animation: glowPulse 4s ease-in-out infinite alternate;
}

@keyframes heroLogoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes glowPulse {
  0% { opacity: 0.4; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}

.hero__title-line {
  display: block;
  overflow: hidden;
}

.hero__title-line--1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  color: var(--chrome-bright);
  background: linear-gradient(135deg, var(--chrome-light), var(--chrome-bright), #fff, var(--chrome-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__title-line--2 {
  font-size: clamp(3rem, 7.5vw, 6.5rem);
  background: linear-gradient(135deg, var(--accent-dim), var(--accent), #94b0ff, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px var(--accent-glow));
}

.hero__credential {
  font-family: var(--font-mono);
  font-size: clamp(0.72rem, 1vw, 0.85rem);
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--accent-gold);
  opacity: 0.7;
  margin-top: 0.3em;
  margin-bottom: 0.8em;
}

.hero__subtitle {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 1.2vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: -100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51% { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

.hero__scroll-text {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── SECTIONS ───────────────────────────────────────── */
.section {
  padding: var(--section-pad) 40px;
  max-width: var(--content-max);
  margin: 0 auto;
  position: relative;
}

/* Subtle nebula glow behind each section for depth perception */
.section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(133, 104, 255, 0.025), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.section__header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}

.section__index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  opacity: 0.7;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary), var(--chrome-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section__line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border), transparent);
}

/* ── HERO INITIAL HIDDEN STATE (prevents flash on navigation) ── */
.hero__logo,
.hero__logo-glow,
.hero__title-line--1,
.hero__title-line--2,
.hero__credential,
.hero__subtitle,
.hero__scroll-indicator {
  opacity: 0;
  visibility: hidden;
}

/* GSAP will set visibility:visible when it takes control */
.hero__logo.gsap-initialized,
.hero__logo-glow.gsap-initialized,
.hero__title-line--1.gsap-initialized,
.hero__title-line--2.gsap-initialized,
.hero__credential.gsap-initialized,
.hero__subtitle.gsap-initialized,
.hero__scroll-indicator.gsap-initialized {
  visibility: visible;
}

/* ── PHOTO BREAKS ──────────────────────────────────── */
.photo-break {
  position: relative;
  padding: 4rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

/* Subtle nebula glow behind photo breaks */
.photo-break::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 40%, rgba(133, 104, 255, 0.02), transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.photo-break--portrait {
  padding: 6rem 2rem 2rem;
}

.photo-break__headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary), var(--chrome-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 2rem;
}

.photo-break--strip {
  padding: 5rem 2rem 3rem;
}

.photo-break__frame {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid rgba(133, 104, 255, 0.12);
  box-shadow:
    0 8px 40px rgba(0, 0, 0, 0.4),
    0 0 60px rgba(133, 104, 255, 0.06);
}

.photo-break__frame--portrait {
  max-width: 280px;
  width: 100%;
  aspect-ratio: 478 / 600;
}

.photo-break__frame--landscape {
  aspect-ratio: 4 / 3;
}

.photo-break__frame--tall {
  aspect-ratio: 3 / 4;
}

.photo-break__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.88) contrast(1.05) saturate(0.4);
  transition: filter 0.6s ease, transform 0.6s ease;
}

.photo-break__frame:hover .photo-break__img {
  filter: brightness(0.92) contrast(1.02) saturate(0.6);
  transform: scale(1.03);
}

.photo-break__vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(12, 13, 24, 0.6) 100%);
  pointer-events: none;
}

.photo-break__strip-inner {
  display: grid;
  grid-template-columns: 1fr 0.75fr 1fr;
  gap: 1.2rem;
  max-width: 960px;
  width: 100%;
  align-items: center;
}

.photo-break__caption {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 0.9vw, 0.8rem);
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.photo-break__bio {
  max-width: 600px;
  text-align: center;
  margin-top: 2.2rem;
}

.photo-break__bio-text {
  font-family: var(--font-body);
  font-size: clamp(0.88rem, 1.1vw, 0.98rem);
  line-height: 1.7;
  color: var(--text-secondary);
  font-weight: 300;
  letter-spacing: 0.01em;
}

.photo-break__bio-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.4rem;
}

.photo-break__bio-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  padding: 0.35em 0.85em;
  border-radius: 100px;
  border: 1px solid rgba(133, 104, 255, 0.18);
  color: var(--text-muted);
  background: rgba(133, 104, 255, 0.04);
  transition: border-color 0.3s ease, color 0.3s ease;
}

.photo-break__bio-tag:hover {
  border-color: rgba(133, 104, 255, 0.35);
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 640px) {
  .photo-break__strip-inner {
    grid-template-columns: 1fr;
    max-width: 320px;
    gap: 1rem;
  }
  .photo-break__frame--portrait {
    max-width: 220px;
  }
  .photo-break__bio {
    max-width: 90%;
  }
}

/* ── PLACEHOLDER CARDS ──────────────────────────────── */
.placeholder-card--3d {
  perspective: 1000px;
  max-width: 680px;
  margin: 0 auto;
}

.placeholder-card__inner {
  position: relative;
  padding: 64px 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  text-align: center;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.6s var(--ease-out-expo), border-color 0.4s ease;
}

.placeholder-card__inner:hover {
  border-color: var(--border-hover);
  transform: rotateY(-2deg) rotateX(2deg) translateZ(10px);
}

.placeholder-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 24px;
  color: var(--accent);
  opacity: 0.5;
}

.placeholder-card__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--chrome-bright);
  margin-bottom: 12px;
}

.placeholder-card__text {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 320px;
  margin: 0 auto;
  line-height: 1.7;
}

.placeholder-card__shimmer {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(133, 104, 255, 0.04),
    transparent
  );
  animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { left: -100%; }
  50% { left: 100%; }
}

/* ── ARTIQVERSE TEASER ─────────────────────────────── */
.artiqverse-teaser {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 1.5rem;
  transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s var(--ease-out-expo);
  overflow: hidden;
  position: relative;
}

.artiqverse-teaser::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 15% 50%, rgba(133, 104, 255, 0.04), transparent 60%);
  pointer-events: none;
}

.artiqverse-teaser:hover {
  border-color: rgba(133, 104, 255, 0.3);
  box-shadow: 0 8px 40px rgba(133, 104, 255, 0.08);
  transform: translateY(-2px);
}

.artiqverse-teaser__logo-wrap {
  flex-shrink: 0;
  width: clamp(100px, 16vw, 160px);
  height: clamp(100px, 16vw, 160px);
  perspective: 600px;
}

.artiqverse-teaser__logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 12px;
  /* Entrance spin is GSAP-driven on scroll into view (see main.js).
     The CSS hover spin uses the @keyframes below.
     No CSS transition on transform - it would conflict with GSAP's tween. */
  transform-style: preserve-3d;
  will-change: transform;
  backface-visibility: visible;
}

/* Full 360 spin on hover */
.artiqverse-teaser:hover .artiqverse-teaser__logo {
  animation: artiqLogoSpin 0.8s var(--ease-out-expo) both;
}

@keyframes artiqLogoSpin {
  0% { transform: rotateY(0deg); }
  100% { transform: rotateY(360deg); }
}

.artiqverse-teaser__info {
  flex: 1;
  min-width: 0;
}

.artiqverse-teaser__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25em 0.7em;
  border-radius: 4px;
  color: var(--accent-gold);
  background: rgba(255, 184, 48, 0.08);
  border: 1px solid rgba(255, 184, 48, 0.25);
  margin-bottom: 0.75rem;
}

.artiqverse-teaser__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary), #94b0ff, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.2rem;
}

.artiqverse-teaser__subtitle {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.artiqverse-teaser__desc {
  font-family: var(--font-body);
  font-size: clamp(0.82rem, 1vw, 0.92rem);
  color: var(--text-muted);
  line-height: 1.6;
  font-weight: 300;
  margin-bottom: 1rem;
}

.artiqverse-teaser__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  padding: 0.4em 0.9em;
  border-radius: 6px;
  border: 1px solid rgba(133, 104, 255, 0.2);
  background: rgba(133, 104, 255, 0.04);
  transition: all 0.3s ease;
}

.artiqverse-teaser:hover .artiqverse-teaser__cta {
  background: rgba(133, 104, 255, 0.12);
  border-color: rgba(133, 104, 255, 0.4);
}

.artiqverse-teaser__cta svg {
  width: 14px;
  height: 14px;
}

@media (max-width: 640px) {
  .artiqverse-teaser {
    flex-direction: column;
    text-align: center;
  }

  .artiqverse-teaser__logo-wrap {
    width: 120px;
    height: 120px;
  }
}

/* ═══════════════════════════════════════════════════════
   ARTIQ CLUSTER - ArtiQverse + iQLense Pro inset
   Wrapper that holds the parent ArtiQverse teaser and a
   compact "Pro Add-On" inset for iQLense Pro inside one
   visually unified card.
   ═══════════════════════════════════════════════════════ */
.artiq-cluster {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 1.5rem;
  overflow: hidden;
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

/* Inside the cluster, the teaser drops its own border/background
   so the cluster's container takes over visually */
.artiq-cluster .artiqverse-teaser {
  border: none;
  border-radius: 0;
  margin-bottom: 0;
  background: transparent;
  /* Override translateY hover (which would clip inside overflow:hidden) */
}

.artiq-cluster .artiqverse-teaser:hover {
  border-color: transparent;
  box-shadow: none;
  transform: none;
}

/* Cluster border lights up when EITHER row is hovered */
.artiq-cluster:has(.artiqverse-teaser:hover) {
  border-color: rgba(133, 104, 255, 0.30);
  box-shadow: 0 8px 40px rgba(133, 104, 255, 0.08);
}

.artiq-cluster:has(.iqlense-inset:hover) {
  border-color: rgba(84, 181, 255, 0.30);
  box-shadow: 0 8px 40px rgba(84, 181, 255, 0.08);
}

/* ── INSET (iQLense Pro) ─────────────────────────────── */
.iqlense-inset {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.4rem);
  padding: clamp(0.95rem, 1.8vw, 1.25rem) clamp(1.5rem, 3vw, 2.5rem);
  text-decoration: none;
  color: inherit;
  background: linear-gradient(180deg, rgba(84, 181, 255, 0.04), rgba(84, 181, 255, 0.015));
  transition: background 0.4s ease;
}

/* Hairline divider on top - gradient sky-tinted accent line */
.iqlense-inset::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(84, 181, 255, 0.15) 15%,
    rgba(84, 181, 255, 0.45) 50%,
    rgba(84, 181, 255, 0.15) 85%,
    transparent 100%
  );
}

.iqlense-inset:hover {
  background: linear-gradient(180deg, rgba(84, 181, 255, 0.10), rgba(84, 181, 255, 0.03));
}

/* ── INSET: ICON ─────────────────────────────────────── */
.iqlense-inset__icon-wrap {
  flex-shrink: 0;
  /* Aligned within the same horizontal column as the ArtiQverse logo
     above (clamp 100→160px), but at roughly half the size so it reads
     as a child rather than a peer. */
  width: clamp(56px, 7.5vw, 80px);
  height: clamp(56px, 7.5vw, 80px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.iqlense-inset__icon {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 10px;
  filter: drop-shadow(0 4px 14px rgba(84, 181, 255, 0.18));
  transition: transform 0.5s var(--ease-out-expo), filter 0.5s ease;
}

.iqlense-inset:hover .iqlense-inset__icon {
  transform: scale(1.06) rotate(-3deg);
  filter: drop-shadow(0 6px 22px rgba(84, 181, 255, 0.40));
}

/* ── INSET: INFO COLUMN ──────────────────────────────── */
.iqlense-inset__info {
  flex: 1;
  min-width: 0;
}

.iqlense-inset__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.22em 0.65em;
  border-radius: 4px;
  color: var(--accent-sky);
  background: rgba(84, 181, 255, 0.08);
  border: 1px solid rgba(84, 181, 255, 0.25);
  margin-bottom: 0.45rem;
}

.iqlense-inset__title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.7vw, 1.3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--text-primary), #94d4ff, var(--accent-sky));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 0.25rem;
}

.iqlense-inset__tagline {
  font-family: var(--font-body);
  font-size: clamp(0.78rem, 0.95vw, 0.86rem);
  color: var(--text-muted);
  line-height: 1.55;
  font-weight: 300;
  margin: 0;
}

/* ── INSET: ARROW CTA ────────────────────────────────── */
.iqlense-inset__cta {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(84, 181, 255, 0.25);
  background: rgba(84, 181, 255, 0.05);
  color: var(--accent-sky);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s var(--ease-out-expo);
}

.iqlense-inset__cta svg {
  width: 16px;
  height: 16px;
}

.iqlense-inset:hover .iqlense-inset__cta {
  background: rgba(84, 181, 255, 0.18);
  border-color: rgba(84, 181, 255, 0.50);
  transform: translateX(4px);
}

/* ── INSET: RESPONSIVE ───────────────────────────────── */
@media (max-width: 640px) {
  .iqlense-inset {
    flex-wrap: wrap;
    gap: 14px;
    padding: 1rem 1.25rem;
  }
  .iqlense-inset__icon-wrap {
    width: 48px;
    height: 48px;
  }
  .iqlense-inset__cta {
    width: 34px;
    height: 34px;
  }
}

/* ═══════════════════════════════════════════════════════
   SHOWCASE - TIER 2 (Web Applications)
   ═══════════════════════════════════════════════════════ */

/* ── DIVIDER ─────────────────────────────────────────── */
.showcase-divider {
  display: flex;
  align-items: center;
  gap: 22px;
  margin: 64px 0 36px;
}

/* First divider sits right under the section intro, so less top breathing */
.showcase-divider--first {
  margin-top: 16px;
}

.showcase-divider__label {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent-gold);
  white-space: nowrap;
  flex-shrink: 0;
  text-shadow: 0 0 24px rgba(255, 184, 48, 0.25);
}

.showcase-divider__sub {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-sky);
  background: rgba(84, 181, 255, 0.08);
  border: 1px solid rgba(84, 181, 255, 0.25);
  padding: 0.35em 0.85em;
  border-radius: 6px;
  white-space: nowrap;
  flex-shrink: 0;
  align-self: center;
  margin-left: -6px;
}

/* Coral variant - used to distinguish Education from Music Production */
.showcase-divider__sub--coral {
  color: var(--accent-coral);
  background: rgba(255, 136, 85, 0.08);
  border-color: rgba(255, 136, 85, 0.30);
}

.showcase-divider__rule {
  height: 1px;
  flex: 1;
  background: linear-gradient(
    90deg,
    rgba(255, 184, 48, 0.35) 0%,
    rgba(255, 184, 48, 0.12) 30%,
    var(--border) 60%,
    transparent
  );
}

/* ── APP GRID ────────────────────────────────────────── */
.app-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (max-width: 820px) {
  .app-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ── APP CARD ────────────────────────────────────────── */
.app-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition:
    border-color 0.4s ease,
    box-shadow 0.4s ease,
    transform 0.4s var(--ease-out-expo);
}

.app-card:hover {
  transform: translateY(-3px);
}

/* Accent variants - subtle border + glow on hover only */
.app-card--teal:hover {
  border-color: rgba(68, 232, 208, 0.3);
  box-shadow: 0 8px 40px rgba(68, 232, 208, 0.10);
}
.app-card--amber:hover {
  border-color: rgba(255, 184, 48, 0.3);
  box-shadow: 0 8px 40px rgba(255, 184, 48, 0.10);
}

/* Thin gradient line on top, only shows accent on hover */
.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, transparent, transparent);
  transition: background 0.5s ease;
  z-index: 3;
}
.app-card--teal:hover::before {
  background: linear-gradient(90deg, transparent, var(--accent-teal), transparent);
}
.app-card--amber:hover::before {
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}

/* ── APP CARD: SCREENSHOT ────────────────────────────── */
.app-card__shot {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.app-card__shot-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.8s var(--ease-out-expo), filter 0.4s ease;
  filter: brightness(0.95) saturate(0.92);
}

.app-card:hover .app-card__shot-img {
  transform: scale(1.04);
  filter: brightness(1) saturate(1);
}

.app-card__shot-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    transparent 60%,
    rgba(21, 22, 40, 0.55) 100%
  );
  pointer-events: none;
}

/* ── APP CARD: BODY ──────────────────────────────────── */
.app-card__body {
  padding: 26px 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.app-card__head {
  display: flex;
  align-items: center;
  gap: 16px;
}

.app-card__logo {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  flex-shrink: 0;
  object-fit: cover;
  padding: 4px;
}

.app-card__title-wrap {
  flex: 1;
  min-width: 0;
}

.app-card__type {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
}
.app-card--teal .app-card__type { color: var(--accent-teal); }
.app-card--amber .app-card__type { color: var(--accent-gold); }

.app-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 2.4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.05;
  background: linear-gradient(135deg, var(--text-primary), var(--chrome-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.app-card--teal .app-card__title {
  background: linear-gradient(135deg, var(--text-primary), var(--accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.app-card--amber .app-card__title {
  background: linear-gradient(135deg, var(--text-primary), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.app-card__desc {
  font-family: var(--font-body);
  font-size: clamp(0.82rem, 1vw, 0.92rem);
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ── APP CARD: TECH CHIPS ────────────────────────────── */
.app-card__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.app-card__chip {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  padding: 0.3em 0.7em;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.3s ease, color 0.3s ease;
}

.app-card--teal:hover .app-card__chip {
  border-color: rgba(68, 232, 208, 0.22);
  color: var(--text-secondary);
}
.app-card--amber:hover .app-card__chip {
  border-color: rgba(255, 184, 48, 0.22);
  color: var(--text-secondary);
}

/* ── APP CARD: CTA ───────────────────────────────────── */
.app-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-top: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  transition: color 0.3s ease;
}

.app-card__cta svg {
  width: 16px;
  height: 16px;
  transition: transform 0.4s var(--ease-out-expo);
}

.app-card--teal:hover .app-card__cta { color: var(--accent-teal); }
.app-card--amber:hover .app-card__cta { color: var(--accent-gold); }
.app-card:hover .app-card__cta svg { transform: translateX(4px); }

/* ═══════════════════════════════════════════════════════
   SHOWCASE - DETAIL SUBPAGE
   ═══════════════════════════════════════════════════════ */

.body--showcase {
  background: var(--bg-primary);
}

/* ── SHOWCASE HERO ───────────────────────────────────── */
.sc-hero {
  position: relative;
  padding: 96px 40px 56px;
  overflow: hidden;
}

.sc-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.sc-hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
}

.sc-hero__orb--1 {
  width: 480px;
  height: 480px;
  top: -180px;
  right: -120px;
}
.sc-hero__orb--2 {
  width: 320px;
  height: 320px;
  bottom: -140px;
  left: -80px;
  opacity: 0.12;
}

.body--showcase[data-accent="teal"]  .sc-hero__orb { background: var(--accent-teal); }
.body--showcase[data-accent="amber"] .sc-hero__orb { background: var(--accent-gold); }

.sc-hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--content-max);
  margin: 0 auto;
}

.sc-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 28px;
  text-decoration: none;
  transition: color 0.3s ease;
}

.sc-hero__back svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s var(--ease-out-expo);
}

.sc-hero__back:hover { color: var(--accent); }
.sc-hero__back:hover svg { transform: translateX(-4px); }

.sc-hero__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
}

.sc-hero__logo {
  width: clamp(80px, 10vw, 120px);
  height: clamp(80px, 10vw, 120px);
  border-radius: 18px;
  object-fit: cover;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px;
  flex-shrink: 0;
}

.sc-hero__type {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.3em 0.8em;
  border-radius: 4px;
  margin-bottom: 12px;
}

.body--showcase[data-accent="teal"]  .sc-hero__type {
  color: var(--accent-teal);
  background: rgba(68, 232, 208, 0.08);
  border: 1px solid rgba(68, 232, 208, 0.25);
}
.body--showcase[data-accent="amber"] .sc-hero__type {
  color: var(--accent-gold);
  background: rgba(255, 184, 48, 0.08);
  border: 1px solid rgba(255, 184, 48, 0.25);
}

.sc-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}

.body--showcase[data-accent="teal"] .sc-hero__title {
  background: linear-gradient(135deg, var(--text-primary), var(--accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.body--showcase[data-accent="amber"] .sc-hero__title {
  background: linear-gradient(135deg, var(--text-primary), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sc-hero__tagline {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  font-weight: 300;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
  max-width: 56ch;
}

@media (max-width: 640px) {
  .sc-hero { padding: 80px 24px 40px; }
  .sc-hero__head {
    grid-template-columns: 1fr;
    gap: 18px;
    text-align: left;
  }
}

/* ── SHOWCASE SECTION SHELL ──────────────────────────── */
.sc-section {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 56px 40px;
}

.sc-section + .sc-section { padding-top: 0; }

.sc-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 28px;
}

.sc-section__index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}

.sc-section__title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

@media (max-width: 640px) {
  .sc-section { padding: 40px 24px; }
}

/* ── OVERVIEW (description + meta sidebar) ───────────── */
.sc-overview {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.sc-overview__body p {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 1em;
  letter-spacing: 0.005em;
}

.sc-overview__body p:last-child { margin-bottom: 0; }

.sc-meta {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  position: sticky;
  top: 80px;
}

.sc-meta__row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sc-meta__label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.sc-meta__value {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-primary);
  font-weight: 400;
}

.sc-meta__value a { color: inherit; text-decoration: none; border-bottom: 1px dotted var(--text-muted); }
.body--showcase[data-accent="teal"]  .sc-meta__value a:hover { color: var(--accent-teal); border-color: var(--accent-teal); }
.body--showcase[data-accent="amber"] .sc-meta__value a:hover { color: var(--accent-gold); border-color: var(--accent-gold); }

@media (max-width: 820px) {
  .sc-overview {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .sc-meta { position: static; }
}

/* ── FEATURES GRID ───────────────────────────────────── */
.sc-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.sc-feature {
  padding: 22px 22px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.3s ease, transform 0.4s var(--ease-out-expo);
}

.sc-feature:hover {
  transform: translateY(-2px);
}

.body--showcase[data-accent="teal"]  .sc-feature:hover { border-color: rgba(68, 232, 208, 0.25); }
.body--showcase[data-accent="amber"] .sc-feature:hover { border-color: rgba(255, 184, 48, 0.25); }

.sc-feature__icon {
  width: 28px;
  height: 28px;
  margin-bottom: 14px;
  opacity: 0.85;
}
.body--showcase[data-accent="teal"]  .sc-feature__icon { color: var(--accent-teal); }
.body--showcase[data-accent="amber"] .sc-feature__icon { color: var(--accent-gold); }

.sc-feature__title {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.sc-feature__text {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* ── SPEC CHIPS ──────────────────────────────────────── */
.sc-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sc-specs__chip {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  padding: 0.45em 0.85em;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.02);
  transition: all 0.3s ease;
}

.body--showcase[data-accent="teal"] .sc-specs__chip:hover {
  color: var(--accent-teal);
  border-color: rgba(68, 232, 208, 0.3);
  background: rgba(68, 232, 208, 0.04);
}
.body--showcase[data-accent="amber"] .sc-specs__chip:hover {
  color: var(--accent-gold);
  border-color: rgba(255, 184, 48, 0.3);
  background: rgba(255, 184, 48, 0.04);
}

/* ── GALLERY ─────────────────────────────────────────── */
.sc-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

@media (max-width: 640px) {
  .sc-gallery {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

.sc-gallery__item {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: zoom-in;
  transition: border-color 0.3s ease, transform 0.4s var(--ease-out-expo);
}

.sc-gallery__item:hover {
  transform: translateY(-2px);
}

.body--showcase[data-accent="teal"]  .sc-gallery__item:hover { border-color: rgba(68, 232, 208, 0.3); }
.body--showcase[data-accent="amber"] .sc-gallery__item:hover { border-color: rgba(255, 184, 48, 0.3); }

.sc-gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.6s var(--ease-out-expo), filter 0.4s ease;
  filter: brightness(0.95);
}

.sc-gallery__item:hover .sc-gallery__img {
  transform: scale(1.03);
  filter: brightness(1);
}

.sc-gallery__caption {
  position: absolute;
  left: 14px;
  bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--chrome-bright);
  background: rgba(12, 13, 24, 0.7);
  padding: 5px 10px;
  border-radius: 4px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s var(--ease-out-expo);
}

.sc-gallery__item:hover .sc-gallery__caption {
  opacity: 1;
  transform: translateY(0);
}

/* ── LIGHTBOX ────────────────────────────────────────── */
.sc-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(6, 8, 16, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 5vh 5vw;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sc-lightbox--open {
  display: flex;
  opacity: 1;
}

.sc-lightbox__stage {
  position: relative;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sc-lightbox__img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  user-select: none;
}

.sc-lightbox__caption {
  position: absolute;
  left: 50%;
  bottom: -40px;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  white-space: nowrap;
}

.sc-lightbox__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--chrome-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.sc-lightbox__btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

.sc-lightbox__btn--prev { left: -64px; }
.sc-lightbox__btn--next { right: -64px; }

.sc-lightbox__btn svg { width: 18px; height: 18px; }

.sc-lightbox__close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--chrome-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.3s ease;
}

.sc-lightbox__close:hover {
  background: rgba(255, 255, 255, 0.12);
}

.sc-lightbox__close svg { width: 16px; height: 16px; }

@media (max-width: 820px) {
  .sc-lightbox__btn--prev { left: 8px; }
  .sc-lightbox__btn--next { right: 8px; }
}

/* ── VISIT CTA ───────────────────────────────────────── */
.sc-visit {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  padding: 28px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.sc-visit__text {
  flex: 1;
  min-width: 200px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.sc-visit__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  padding: 0.7em 1.4em;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.sc-visit__btn svg { width: 14px; height: 14px; }

.body--showcase[data-accent="teal"] .sc-visit__btn {
  color: var(--accent-teal);
  background: rgba(68, 232, 208, 0.06);
  border: 1px solid rgba(68, 232, 208, 0.25);
}
.body--showcase[data-accent="teal"] .sc-visit__btn:hover {
  background: rgba(68, 232, 208, 0.14);
  border-color: rgba(68, 232, 208, 0.45);
}
.body--showcase[data-accent="amber"] .sc-visit__btn {
  color: var(--accent-gold);
  background: rgba(255, 184, 48, 0.06);
  border: 1px solid rgba(255, 184, 48, 0.25);
}
.body--showcase[data-accent="amber"] .sc-visit__btn:hover {
  background: rgba(255, 184, 48, 0.14);
  border-color: rgba(255, 184, 48, 0.45);
}

/* ── EDUCATION GRID ─────────────────────────────────── */
.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.edu-card {
  position: relative;
  display: block;
  padding: 48px 36px;
  border-radius: 20px;
  overflow: hidden;
  background: var(--bg-card);
  cursor: pointer;
  transition: box-shadow 0.6s ease, border-color 0.4s ease;
  transform-style: preserve-3d;
  will-change: transform;
}

.edu-card__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0.4;
  transition: opacity 0.5s ease;
}

.edu-card:hover .edu-card__bg { opacity: 0.7; }

.edu-card__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
}

.edu-card__orb--1 {
  width: 200px;
  height: 200px;
  top: -60px;
  right: -40px;
  background: var(--accent);
  opacity: 0.15;
}

.edu-card__orb--2 {
  width: 160px;
  height: 160px;
  bottom: -40px;
  left: -20px;
  background: var(--chrome-mid);
  opacity: 0.1;
}

.edu-card__border {
  position: absolute;
  inset: 0;
  border-radius: 20px;
  border: 1px solid var(--border);
  transition: border-color 0.4s ease;
  pointer-events: none;
}

.edu-card:hover .edu-card__border {
  border-color: var(--accent);
  box-shadow: inset 0 0 30px var(--accent-glow);
}

.edu-card--school:hover .edu-card__border {
  border-color: var(--accent-gold);
  box-shadow: inset 0 0 30px var(--accent-gold-glow);
}

.edu-card--university:hover .edu-card__border {
  border-color: var(--accent-teal);
  box-shadow: inset 0 0 30px var(--accent-teal-glow);
}

.edu-card__content {
  position: relative;
  z-index: 2;
}

.edu-card__icon {
  width: 48px;
  height: 48px;
  color: var(--accent);
  margin-bottom: 24px;
  transition: transform 0.5s var(--ease-out-expo);
}

.edu-card--school .edu-card__icon { color: var(--accent-gold); }
.edu-card--university .edu-card__icon { color: var(--accent-teal); }

.edu-card:hover .edu-card__icon {
  transform: scale(1.1) translateY(-4px);
}

.edu-card__title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text-primary), var(--chrome-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.edu-card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.edu-card__subcategories {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.edu-card__tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 5px 12px;
  border-radius: 20px;
  background: rgba(255, 200, 68, 0.08);
  border: 1px solid rgba(255, 200, 68, 0.18);
  color: var(--accent-gold);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.edu-card:hover .edu-card__tag {
  background: rgba(255, 200, 68, 0.14);
  border-color: rgba(255, 200, 68, 0.35);
}

.edu-card--university .edu-card__tag {
  background: rgba(68, 232, 208, 0.08);
  border-color: rgba(68, 232, 208, 0.18);
  color: var(--accent-teal);
}

.edu-card--university:hover .edu-card__tag {
  background: rgba(68, 232, 208, 0.14);
  border-color: rgba(68, 232, 208, 0.35);
}

.edu-card__tag--empty {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
  color: var(--text-muted);
}

.edu-card__arrow {
  width: 32px;
  height: 32px;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.4s ease, transform 0.4s var(--ease-out-expo);
}

.edu-card:hover .edu-card__arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ── CATEGORY PAGE ──────────────────────────────────── */
.body--category {
  background: var(--bg-primary);
}

.cat-hero {
  position: relative;
  height: 50vh;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
  padding: 60px 40px;
  overflow: hidden;
}

.cat-hero__bg {
  position: absolute;
  inset: 0;
}

.cat-hero__bg canvas {
  width: 100%;
  height: 100%;
}

.cat-hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--content-max);
  margin: 0 auto;
  width: 100%;
}

.cat-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 20px;
  transition: color 0.3s ease;
}

.cat-hero__back svg {
  width: 18px;
  height: 18px;
  transition: transform 0.3s var(--ease-out-expo);
}

.cat-hero__back:hover {
  color: var(--accent);
}

.cat-hero__back:hover svg {
  transform: translateX(-4px);
}

.cat-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.cat-hero__subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* ── SUBCATEGORY TABS ───────────────────────────────── */
.subcategories {
  position: sticky;
  top: 60px;
  z-index: 100;
  background: rgba(12, 13, 24, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
}

.subcategories__tabs {
  display: flex;
  gap: 4px;
  max-width: var(--content-max);
  margin: 0 auto;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 16px 0;
}

.subcategories__tabs::-webkit-scrollbar { display: none; }

.subcat-tab {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  padding: 10px 20px;
  border-radius: 8px;
  white-space: nowrap;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
}

.subcat-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.subcat-tab--active {
  color: var(--accent);
  background: rgba(133, 104, 255, 0.08);
  border-color: rgba(133, 104, 255, 0.22);
}

/* ── FILE CARDS ─────────────────────────────────────── */
.files-section {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 48px 40px var(--section-pad);
  min-height: 50vh;
}

.files__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.files__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--chrome-bright);
}

.files__count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.upload-work-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  background: rgba(133, 104, 255, 0.1);
  color: var(--accent);
  border: 1px solid rgba(133, 104, 255, 0.22);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-left: auto;
}
.upload-work-btn:hover {
  background: rgba(133, 104, 255, 0.18);
  border-color: rgba(133, 104, 255, 0.4);
  transform: translateY(-1px);
}

.files__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.file-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.4s var(--ease-out-expo);
  overflow: hidden;
}

.file-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.file-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.file-card:hover::before { opacity: 1; }

.file-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(133, 104, 255, 0.08);
  color: var(--accent);
}

.file-card__icon svg {
  width: 20px;
  height: 20px;
}

.file-card__name {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
  word-break: break-word;
}

.file-card__desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
  flex: 1;
}

.file-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.file-card__type {
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.file-card__download-badge {
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(133, 104, 255, 0.15);
  color: var(--accent, #8568ff);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* Empty state */
.files__empty {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  text-align: center;
}

.files__empty--visible {
  display: flex;
}

.files__empty-icon {
  width: 64px;
  height: 64px;
  color: var(--chrome-dark);
  margin-bottom: 24px;
}

.files__empty-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--chrome-mid);
  margin-bottom: 8px;
}

.files__empty-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ── CATEGORY-SPECIFIC ACCENT OVERRIDES ────────────── */

/* School = gold accent */
body[data-category="school"] {
  --cat-accent: #ffb830;
  --cat-accent-glow: rgba(255, 184, 48, 0.15);
  --cat-accent-dim: rgba(255, 184, 48, 0.08);
  --cat-accent-border: rgba(255, 184, 48, 0.22);
}

/* University = teal accent */
body[data-category="university"] {
  --cat-accent: #44e8d0;
  --cat-accent-glow: rgba(68, 232, 208, 0.12);
  --cat-accent-dim: rgba(68, 232, 208, 0.08);
  --cat-accent-border: rgba(68, 232, 208, 0.22);
}

body[data-category] .cat-hero__back:hover {
  color: var(--cat-accent);
}

body[data-category] .cat-hero__title {
  background: linear-gradient(135deg, var(--text-primary), var(--cat-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

body[data-category] .subcat-tab--active {
  color: var(--cat-accent);
  background: var(--cat-accent-dim);
  border-color: var(--cat-accent-border);
}

body[data-category] .file-card__icon {
  background: var(--cat-accent-dim);
  color: var(--cat-accent);
}

body[data-category] .file-card::before {
  background: linear-gradient(90deg, transparent, var(--cat-accent), transparent);
}

body[data-category] .file-card:hover {
  border-color: var(--cat-accent-border);
}

body[data-category] .files__empty-icon {
  color: var(--cat-accent);
}

body[data-category] .learn-card:hover {
  border-color: var(--cat-accent-border);
}

body[data-category] .learn-card__badge {
  color: var(--cat-accent);
  border-color: var(--cat-accent-border);
}

body[data-category] .learn-card__thumb--placeholder {
  color: var(--cat-accent);
}

body[data-category] .content-section__icon {
  color: var(--cat-accent);
}

/* ── SUBJECT TABS (second row, smaller) ────────────── */
.subcategories--subjects {
  padding-top: 0;
  margin-top: -1px;
  border-top: none;
}

.subcategories--subjects .subcategories__tabs {
  padding-top: 8px;
  padding-bottom: 14px;
}

.subcategories--subjects .subcat-tab {
  font-size: 0.72rem;
  padding: 7px 16px;
  border-radius: 6px;
  letter-spacing: 0.03em;
}

/* ── CONTENT SECTIONS (Interactive Learning + Materials) ── */
.content-section {
  margin-bottom: 48px;
  grid-column: 1 / -1;
}

.content-section__title {
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.content-section__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

/* ── LEARN CARDS (Interactive Learning - category page) ──── */
.content-section__grid--apps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.content-section__grid--files {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.learn-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: all 0.4s var(--ease-out-expo);
  display: flex;
  flex-direction: column;
}

.learn-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.learn-card__thumb {
  aspect-ratio: 1 / 1;
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.learn-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.learn-card__thumb--placeholder {
  color: var(--accent);
  background: linear-gradient(135deg, rgba(133, 104, 255, 0.05), rgba(133, 104, 255, 0.02));
}

.learn-card__body {
  padding: 16px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.learn-card__title {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.learn-card__desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
  flex: 1;
}

.learn-card__badge {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  border: 1px solid rgba(133, 104, 255, 0.25);
  border-radius: 99px;
  padding: 4px 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all 0.3s ease;
}

.learn-card:hover .learn-card__badge {
  background: rgba(133, 104, 255, 0.1);
}

/* ── FOOTER ─────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px;
}

.footer__content {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__logo-img {
  height: 28px;
  filter: brightness(1.3) contrast(1.1) drop-shadow(0 0 8px rgba(133, 104, 255, 0.3));
  opacity: 0.7;
  transition: opacity 0.4s ease, filter 0.4s ease;
}

.footer__logo-img:hover {
  opacity: 1;
  filter: brightness(1.6) contrast(1.1) drop-shadow(0 0 14px rgba(133, 104, 255, 0.5));
}

.footer__links {
  display: flex;
  gap: 20px;
}

.footer__link {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.footer__link:hover {
  color: var(--accent);
}

.footer__text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ── CONTACT SECTION ── */
.contact-block {
  text-align: center;
  padding: 40px 20px;
}

.contact-block__text {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.contact-block__email {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.04em;
  padding: 14px 36px;
  border: 1px solid rgba(133, 104, 255, 0.3);
  border-radius: 100px;
  transition: all 0.4s ease;
}

.contact-block__email:hover {
  background: rgba(133, 104, 255, 0.1);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(133, 104, 255, 0.15);
}

/* ── GSAP ANIMATION STATES ──────────────────────────── */
.gs-reveal {
  opacity: 0;
  transform: translateY(40px);
  will-change: transform, opacity;
}

.gs-reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  will-change: transform, opacity;
}

.gs-reveal-right {
  opacity: 0;
  transform: translateX(60px);
  will-change: transform, opacity;
}

.gs-reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  will-change: transform, opacity;
}

/* ── RESPONSIVE ─────────────────────────────────────── */

/* Tablet */
@media (max-width: 1024px) {
  .education-grid {
    gap: 24px;
  }

  .edu-card {
    padding: 36px 28px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .nav {
    padding: 16px 20px;
  }

  .nav--scrolled,
  .nav--solid {
    padding: 12px 20px;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: rgba(12, 13, 24, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    transform: translateX(100%);
    transition: transform 0.5s var(--ease-out-expo);
  }

  .nav__menu--open {
    transform: translateX(0);
  }

  .nav__link {
    font-size: 1rem;
    padding: 14px 24px;
  }

  .section {
    padding: var(--section-pad) 20px;
  }

  .education-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .edu-card {
    padding: 32px 24px;
  }

  .hero__logo {
    width: clamp(160px, 50vw, 240px);
  }

  .hero__scroll-indicator {
    bottom: -80px;
  }

  .cat-hero {
    height: 40vh;
    min-height: 280px;
    padding: 40px 20px;
  }

  .subcategories {
    padding: 0 20px;
    top: 52px;
  }

  .files-section {
    padding: 32px 20px var(--section-pad);
  }

  .files__grid {
    grid-template-columns: 1fr;
  }

  .subcategories--subjects {
    top: 94px;
  }

  .content-section__grid--apps {
    grid-template-columns: 1fr;
  }

  .content-section__grid--files {
    grid-template-columns: 1fr;
  }

  .footer__content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .edu-card__title {
    font-size: 1.6rem;
  }

  .placeholder-card__inner {
    padding: 40px 24px;
  }

  .section__header {
    flex-wrap: wrap;
  }

  .section__line {
    order: 3;
    flex-basis: 100%;
    margin-top: 8px;
  }
}

/* ── UTILITY ANIMATIONS ─────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ── SECTION INTROS (shared icon + headline pattern) ── */
.section-intro {
  max-width: 760px;
  margin: 0 auto 2rem;
  text-align: center;
}

.section-intro__icon {
  width: clamp(80px, 12vw, 110px);
  height: clamp(80px, 12vw, 110px);
  margin: 0 auto 1.6rem;
  color: var(--accent);
  filter: drop-shadow(0 0 18px var(--accent-glow));
  animation: sectionIconFloat 5s ease-in-out infinite;
}

.section-intro__icon--gold {
  color: var(--accent-gold);
  filter: drop-shadow(0 0 18px var(--accent-gold-glow));
}

.section-intro__icon--teal {
  color: var(--accent-teal);
  filter: drop-shadow(0 0 18px var(--accent-teal-glow));
}

@keyframes sectionIconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.section-intro__headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary), var(--chrome-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.2rem;
}

.section-intro__text {
  font-family: var(--font-body);
  font-size: clamp(0.92rem, 1.15vw, 1.05rem);
  line-height: 1.75;
  color: var(--text-secondary);
  font-weight: 300;
  letter-spacing: 0.01em;
}

.section-intro__text strong {
  color: var(--text-primary);
  font-weight: 500;
}

/* ── EXPERIENCE TIMELINE ──────────────────────────── */
.exp-timeline {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding: 0.5rem 0 2rem;
  overflow: visible;               /* allow strands to extend left of the rail */
}

.exp-entry {
  display: flex;
  gap: 1.5rem;
  position: relative;
}

.exp-entry__rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: 18px;
  padding-top: 1.6rem;
}

.exp-entry__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow-strong);
  flex-shrink: 0;
  z-index: 1;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.exp-entry:hover .exp-entry__dot {
  transform: scale(1.35);
  box-shadow: 0 0 18px var(--accent-glow-strong);
}

.exp-entry__dot--gold {
  background: var(--accent-gold);
  box-shadow: 0 0 10px var(--accent-gold-glow);
}

.exp-entry:hover .exp-entry__dot--gold {
  box-shadow: 0 0 18px var(--accent-gold-glow);
}

.exp-entry__dot--teal {
  background: var(--accent-teal);
  box-shadow: 0 0 10px var(--accent-teal-glow);
}

.exp-entry:hover .exp-entry__dot--teal {
  box-shadow: 0 0 18px var(--accent-teal-glow);
}

.exp-entry__dot--rose {
  background: var(--accent-rose);
  box-shadow: 0 0 10px var(--accent-rose-glow);
}
.exp-entry:hover .exp-entry__dot--rose {
  box-shadow: 0 0 18px var(--accent-rose-glow);
}

.exp-entry__dot--sky {
  background: var(--accent-sky);
  box-shadow: 0 0 10px var(--accent-sky-glow);
}
.exp-entry:hover .exp-entry__dot--sky {
  box-shadow: 0 0 18px var(--accent-sky-glow);
}

.exp-entry__dot--coral {
  background: var(--accent-coral);
  box-shadow: 0 0 10px var(--accent-coral-glow);
}
.exp-entry:hover .exp-entry__dot--coral {
  box-shadow: 0 0 18px var(--accent-coral-glow);
}

.exp-entry__line {
  width: 6px;
  flex: 1;
  margin-top: 6px;
  --line-color: var(--accent);
  background: linear-gradient(
    to bottom,
    var(--line-color) 0%,
    color-mix(in srgb, var(--line-color) 30%, transparent) 50%,
    var(--line-color) 100%
  );
  clip-path: polygon(
    0% 0%, 100% 0%,        /* full width at top */
    65% 50%,                /* pinch in the middle */
    100% 100%, 0% 100%,    /* full width at bottom */
    35% 50%                 /* pinch in the middle */
  );
}

.exp-entry__line--gold  { --line-color: var(--accent-gold); }
.exp-entry__line--teal  { --line-color: var(--accent-teal); }
.exp-entry__line--rose  { --line-color: var(--accent-rose); }
.exp-entry__line--sky   { --line-color: var(--accent-sky); }
.exp-entry__line--coral { --line-color: var(--accent-coral); }

.exp-entry__line--last {
  background: transparent;
  clip-path: none;
}

.exp-entry__card {
  flex: 1;
  --card-accent: var(--accent);
  --card-glow: var(--accent-glow-strong);
  background: linear-gradient(135deg, color-mix(in srgb, var(--card-accent) 6%, var(--bg-card)) 0%, var(--bg-card) 60%);
  border: 1px solid var(--border);
  border-left: 3px solid color-mix(in srgb, var(--card-accent) 45%, transparent);
  border-radius: 12px;
  padding: 1.4rem 1.6rem;
  margin-bottom: 1rem;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.exp-entry__card:hover {
  border-color: var(--border-hover);
  border-left-color: var(--card-accent);
  background: linear-gradient(135deg, color-mix(in srgb, var(--card-accent) 10%, var(--bg-card-hover)) 0%, var(--bg-card-hover) 60%);
  transform: translateX(4px);
  box-shadow: -4px 0 12px color-mix(in srgb, var(--card-accent) 15%, transparent);
}

.exp-entry__card--gold  { --card-accent: var(--accent-gold);  --card-glow: var(--accent-gold-glow); }
.exp-entry__card--teal  { --card-accent: var(--accent-teal);  --card-glow: var(--accent-teal-glow); }
.exp-entry__card--rose  { --card-accent: var(--accent-rose);  --card-glow: var(--accent-rose-glow); }
.exp-entry__card--sky   { --card-accent: var(--accent-sky);   --card-glow: var(--accent-sky-glow); }
.exp-entry__card--coral { --card-accent: var(--accent-coral); --card-glow: var(--accent-coral-glow); }

/* ── Timeline sub-heading divider ─────────── */
.exp-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 2.5rem 0 1.5rem;
  margin-left: 18px;          /* align with card area (past the rail) */
  padding-left: 1rem;
}

.exp-divider__icon {
  width: 28px;
  height: 28px;
  color: var(--accent);
  opacity: 0.6;
  flex-shrink: 0;
}

.exp-divider__label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  opacity: 0.7;
}

.exp-divider__line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border), transparent);
}

/* ── Horizontal Education Timeline ─────────── */
.edu-tl {
  margin-top: 3rem;
  padding-bottom: 1rem;
  position: relative;
}

/* ── edge-fade vignette ── */
.edu-tl::before,
.edu-tl::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 56px;
  z-index: 16;                 /* above content, below arrows (18) */
  pointer-events: none;
  border-radius: 2px;
}
.edu-tl::before {
  left: 0;
  background: linear-gradient(to right,
    var(--bg-primary) 0%,
    color-mix(in srgb, var(--bg-primary) 80%, transparent) 30%,
    transparent 100%);
}
.edu-tl::after {
  right: 0;
  background: linear-gradient(to left,
    var(--bg-primary) 0%,
    color-mix(in srgb, var(--bg-primary) 80%, transparent) 30%,
    transparent 100%);
}

.edu-tl__header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.edu-tl__icon {
  width: 38px;
  height: 38px;
  color: var(--accent-gold);
  opacity: 0.85;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px color-mix(in srgb, var(--accent-gold) 40%, transparent));
  transition: opacity 0.3s, filter 0.3s;
}

.edu-tl__header:hover .edu-tl__icon {
  opacity: 1;
  filter: drop-shadow(0 0 14px color-mix(in srgb, var(--accent-gold) 60%, transparent));
}

.edu-tl__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: none;
  color: var(--text-primary);
  opacity: 1;
  text-align: center;
}

.edu-tl__hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  opacity: 0.4;
  transition: opacity 0.3s ease;
}

.edu-tl__viewport {
  position: relative;
  overflow-x: auto;
  overflow-y: visible;
  cursor: grab;
  padding: 1rem 0 0.5rem;      /* minimal top; icons + bubbles are below cards */
  scrollbar-width: none;       /* Firefox */
}

.edu-tl__viewport:active {
  cursor: grabbing;
}

.edu-tl__viewport::-webkit-scrollbar {
  display: none;
}

.edu-tl__track {
  display: flex;
  gap: 1rem;
  padding: 2.5rem 2rem 14rem;  /* top: room for year markers; bottom: icon + bubble overflow */
  position: relative;
  width: max-content;
  transition: transform 0.05s ease-out;
}

/* ── Year axis markers (above cards) ── */
.edu-tl__axis {
  position: absolute;
  top: 0;
  left: 2rem;
  right: 0;
  height: 2.5rem;
  pointer-events: auto;
}

.edu-tl__year {
  position: absolute;
  top: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent-gold);
  opacity: 0.5;
  transform: translateX(-50%);
  white-space: nowrap;
  cursor: default;
  transition: opacity 0.25s ease, text-shadow 0.25s ease;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.edu-tl__year:hover {
  opacity: 1;
  text-shadow: 0 0 10px color-mix(in srgb, var(--accent-gold) 60%, transparent),
               0 0 20px color-mix(in srgb, var(--accent-gold) 30%, transparent);
}

/* Tick mark below each year label */
.edu-tl__year::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 8px;
  background: var(--accent-gold);
  opacity: 0.3;
}

.edu-tl__year:hover::after {
  opacity: 0.7;
  box-shadow: 0 0 4px color-mix(in srgb, var(--accent-gold) 40%, transparent);
}

/* Year positions computed by JS */

/* ── Continuation arrows - outside the viewport ── */
.edu-tl__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 18;
  color: var(--accent-gold);
  border: 1px solid color-mix(in srgb, var(--accent-gold) 30%, transparent);
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent-gold) 6%, var(--bg-card));
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent-gold) 20%, transparent),
              inset 0 0 8px color-mix(in srgb, var(--accent-gold) 8%, transparent);
  pointer-events: auto;
  cursor: pointer;
  transition: opacity 0.4s ease, transform 0.4s ease, box-shadow 0.4s ease;
}

.edu-tl__arrow:hover {
  opacity: 1 !important;
  transform: translateY(-50%) scale(1.18);
  border-color: var(--accent-gold);
  box-shadow: 0 0 32px color-mix(in srgb, var(--accent-gold) 50%, transparent),
              inset 0 0 14px color-mix(in srgb, var(--accent-gold) 18%, transparent);
  animation: none !important;
}

.edu-tl__arrow svg {
  width: 22px;
  height: 22px;
  stroke-width: 2.5;
}

.edu-tl__arrow--left {
  left: -60px;
}

.edu-tl__arrow--right {
  right: -60px;
}

/* Hide when scrolled to the corresponding edge */
.edu-tl__arrow--hidden {
  opacity: 0;
  transform: translateY(-50%) scale(0.7);
}

/* Pulsing glow animation */
@keyframes arrowGlowL {
  0%, 100% {
    opacity: 0.7;
    transform: translateY(-50%) scale(1);
    box-shadow: 0 0 16px color-mix(in srgb, var(--accent-gold) 20%, transparent),
                inset 0 0 8px color-mix(in srgb, var(--accent-gold) 8%, transparent);
  }
  50% {
    opacity: 1;
    transform: translateY(-50%) scale(1.12) translateX(-2px);
    box-shadow: 0 0 28px color-mix(in srgb, var(--accent-gold) 40%, transparent),
                inset 0 0 12px color-mix(in srgb, var(--accent-gold) 15%, transparent);
  }
}
@keyframes arrowGlowR {
  0%, 100% {
    opacity: 0.7;
    transform: translateY(-50%) scale(1);
    box-shadow: 0 0 16px color-mix(in srgb, var(--accent-gold) 20%, transparent),
                inset 0 0 8px color-mix(in srgb, var(--accent-gold) 8%, transparent);
  }
  50% {
    opacity: 1;
    transform: translateY(-50%) scale(1.12) translateX(2px);
    box-shadow: 0 0 28px color-mix(in srgb, var(--accent-gold) 40%, transparent),
                inset 0 0 12px color-mix(in srgb, var(--accent-gold) 15%, transparent);
  }
}

.edu-tl__arrow--left:not(.edu-tl__arrow--hidden) {
  animation: arrowGlowL 2.5s ease-in-out infinite;
}

.edu-tl__arrow--right:not(.edu-tl__arrow--hidden) {
  animation: arrowGlowR 2.5s ease-in-out infinite;
}

/* ── Cards ── */
.edu-tl__card {
  --card-accent: var(--accent);
  flex-shrink: 0;
  width: 280px;
  padding: 1.3rem 1.5rem;
  background: linear-gradient(135deg, color-mix(in srgb, var(--card-accent) 6%, var(--bg-card)) 0%, var(--bg-card) 60%);
  border: 1px solid var(--border);
  border-radius: 10px;
  position: relative;
  overflow: visible;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.edu-tl__card:hover {
  transform: translateY(-4px);
  z-index: 10;
  border-color: color-mix(in srgb, var(--card-accent) 40%, var(--border));
  box-shadow: 0 8px 24px color-mix(in srgb, var(--card-accent) 12%, transparent);
}

/* Top color bar */
.edu-tl__bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-accent);
  opacity: 0.7;
  border-radius: 10px 10px 0 0;
}

.edu-tl__card:hover .edu-tl__bar {
  opacity: 1;
  height: 4px;
}

.edu-tl__card--gold  { --card-accent: var(--accent-gold); }
.edu-tl__card--teal  { --card-accent: var(--accent-teal); }
.edu-tl__card--rose  { --card-accent: var(--accent-rose); }
.edu-tl__card--sky   { --card-accent: var(--accent-sky); }
.edu-tl__card--coral { --card-accent: var(--accent-coral); }

.edu-tl__role {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
  line-height: 1.35;
}

.edu-tl__org {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.edu-tl__detail {
  font-size: 0.7rem;
  color: var(--text-secondary);
  opacity: 0.7;
  line-height: 1.35;
  margin-bottom: 0.35rem;
}

.edu-tl__date {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--card-accent);
  letter-spacing: 0.04em;
  margin-top: 0.5rem;
  opacity: 0.85;
}

/* ── Card icon (below card) ── */
.edu-tl__card-icon {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--card-accent) 10%, var(--bg-card));
  border: 1px solid color-mix(in srgb, var(--card-accent) 25%, var(--border));
  color: var(--card-accent);
  opacity: 0.75;
  transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.edu-tl__card-icon svg {
  width: 20px;
  height: 20px;
}

.edu-tl__card:hover .edu-tl__card-icon,
.edu-tl__card[data-active] .edu-tl__card-icon {
  opacity: 1;
  transform: translateX(-50%) scale(1.15);
  box-shadow: 0 0 12px color-mix(in srgb, var(--card-accent) 30%, transparent);
}

/* ── Hover detail bubble - below the icon, genie expands downward ── */
.edu-tl__bubble {
  position: absolute;
  top: calc(100% + 60px);      /* card bottom + icon (42px) + gaps */
  left: 50%;
  width: 290px;
  padding: 0.9rem 1.1rem;
  background: color-mix(in srgb, var(--card-accent) 8%, var(--bg-card));
  border: 1px solid color-mix(in srgb, var(--card-accent) 40%, var(--border));
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 16px color-mix(in srgb, var(--card-accent) 10%, transparent);
  z-index: 25;
  /* Genie: start collapsed at top-center (icon position) */
  transform: translateX(-50%) scaleX(0.15) scaleY(0.05);
  transform-origin: 50% 0%;
  opacity: 0;
  pointer-events: none;
  will-change: transform, opacity;
}

.edu-tl__bubble::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-bottom-color: color-mix(in srgb, var(--card-accent) 40%, var(--border));
}

/* Activate via hover OR playhead (class toggled by JS) */
.edu-tl__card:hover .edu-tl__bubble,
.edu-tl__bubble.edu-tl__bubble--visible {
  -webkit-animation: genieDown 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  animation: genieDown 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  pointer-events: auto;
}

/* Exit: reverse genie */
.edu-tl__card:not(:hover) .edu-tl__bubble:not(.edu-tl__bubble--visible) {
  -webkit-animation: genieDownOut 0.25s cubic-bezier(0.55, 0, 1, 0.45) forwards;
  animation: genieDownOut 0.25s cubic-bezier(0.55, 0, 1, 0.45) forwards;
}

@-webkit-keyframes genieDown {
  0%   { opacity: 0; transform: translateX(-50%) scaleX(0.15) scaleY(0.05); }
  40%  { opacity: 0.8; transform: translateX(-50%) scaleX(0.6) scaleY(0.5); }
  70%  { opacity: 1; transform: translateX(-50%) scaleX(1.04) scaleY(1.04); }
  100% { opacity: 1; transform: translateX(-50%) scaleX(1) scaleY(1); }
}
@keyframes genieDown {
  0%   { opacity: 0; transform: translateX(-50%) scaleX(0.15) scaleY(0.05); }
  40%  { opacity: 0.8; transform: translateX(-50%) scaleX(0.6) scaleY(0.5); }
  70%  { opacity: 1; transform: translateX(-50%) scaleX(1.04) scaleY(1.04); }
  100% { opacity: 1; transform: translateX(-50%) scaleX(1) scaleY(1); }
}

@-webkit-keyframes genieDownOut {
  0%   { opacity: 1; transform: translateX(-50%) scaleX(1) scaleY(1); }
  100% { opacity: 0; transform: translateX(-50%) scaleX(0.15) scaleY(0.05); }
}
@keyframes genieDownOut {
  0%   { opacity: 1; transform: translateX(-50%) scaleX(1) scaleY(1); }
  100% { opacity: 0; transform: translateX(-50%) scaleX(0.15) scaleY(0.05); }
}

.edu-tl__bubble-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--card-accent);
  opacity: 0.7;
  margin-bottom: 0.15rem;
  margin-top: 0.5rem;
}

.edu-tl__bubble-label:first-child {
  margin-top: 0;
}

.edu-tl__bubble p {
  font-size: 0.75rem;
  color: var(--text-primary);
  line-height: 1.35;
  margin: 0;
}

/* ── Playhead (sequencer-style) ── */
.edu-tl__playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 2rem;
  width: 2px;
  z-index: 15;
  pointer-events: none;
  /* no transition - playhead must stick to cursor instantly */
}

.edu-tl__playhead-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent) 0%, color-mix(in srgb, var(--accent) 40%, transparent) 100%);
  border-radius: 1px;
  box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 50%, transparent);
}

.edu-tl__playhead-handle {
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 20px;
  color: var(--accent);
  cursor: grab;
  pointer-events: auto;
  filter: drop-shadow(0 0 4px color-mix(in srgb, var(--accent) 60%, transparent));
  transition: color 0.2s ease;
}

.edu-tl__playhead-handle:active {
  cursor: grabbing;
  color: var(--text-primary);
}

.edu-tl__playhead-year {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  text-shadow: 0 0 8px var(--accent-glow-strong);
  pointer-events: none;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .edu-tl__card {
    width: 220px;
    padding: 1rem 1.2rem;
  }
  .edu-tl__role { font-size: 0.9rem; }
  .edu-tl__track { gap: 0.75rem; padding: 2rem 1.5rem 16rem; }
}

.exp-entry__date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--card-accent, var(--accent));
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
  opacity: 0.85;
}

.exp-entry__role {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.3rem;
  letter-spacing: -0.01em;
}

.exp-entry__org {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--chrome-light);
  font-style: italic;
  margin: 0 0 0.6rem;
  font-weight: 300;
}

.exp-entry__desc {
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0 0 0.75rem;
  font-weight: 300;
}

.exp-entry__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.exp-entry__tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  background: rgba(133, 104, 255, 0.08);
  color: var(--chrome-light);
  border: 1px solid rgba(133, 104, 255, 0.12);
  letter-spacing: 0.02em;
  transition: background 0.2s ease, color 0.2s ease;
}

.exp-entry__card:hover .exp-entry__tag {
  background: rgba(133, 104, 255, 0.14);
  color: var(--text-primary);
}

/* ── Concurrent-role overlay strands ─────────── */
.exp-strand {
  position: absolute;
  width: 4px;
  border-radius: 2px;
  pointer-events: none;
  z-index: 2;
  opacity: 0;                       /* hidden until JS positions them */
  transition: opacity 0.6s ease;
}

.exp-strand[data-ready] {
  opacity: 0.7;
}

.exp-strand[data-color="gold"] {
  background: var(--accent-gold);
  box-shadow: 0 0 8px rgba(255, 184, 48, 0.4), 0 0 22px rgba(255, 184, 48, 0.18);
}

.exp-strand[data-color="teal"] {
  background: var(--accent-teal);
  box-shadow: 0 0 8px rgba(68, 232, 208, 0.4), 0 0 22px rgba(68, 232, 208, 0.18);
}

.exp-strand[data-color="accent"] {
  background: var(--accent);
  box-shadow: 0 0 8px rgba(133, 104, 255, 0.45), 0 0 22px rgba(133, 104, 255, 0.22);
}

.exp-strand[data-color="rose"] {
  background: var(--accent-rose);
  box-shadow: 0 0 8px rgba(255, 107, 138, 0.4), 0 0 22px rgba(255, 107, 138, 0.18);
}

.exp-strand[data-color="sky"] {
  background: var(--accent-sky);
  box-shadow: 0 0 8px rgba(84, 181, 255, 0.4), 0 0 22px rgba(84, 181, 255, 0.18);
}

.exp-strand[data-color="coral"] {
  background: var(--accent-coral);
  box-shadow: 0 0 8px rgba(255, 136, 85, 0.4), 0 0 22px rgba(255, 136, 85, 0.18);
}

/* Horizontal connectors linking strand to its anchor dots */
.exp-strand__conn {
  position: absolute;
  height: 4px;
  border-radius: 2px;
  background: inherit;
  box-shadow: inherit;
  pointer-events: none;
}

/* Tooltip label on hover */
.exp-strand-label {
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%) translateX(-100%);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 10;
}

.exp-strand:hover {
  opacity: 1 !important;
  pointer-events: auto;
}

.exp-strand:hover .exp-strand-label {
  opacity: 1;
}

/* Experience timeline - mobile */
@media (max-width: 600px) {
  .exp-entry {
    gap: 1rem;
  }
  .exp-entry__card {
    padding: 1rem 1.2rem;
  }
  .exp-entry__rail {
    width: 14px;
    padding-top: 1.2rem;
  }
  .exp-entry__dot {
    width: 10px;
    height: 10px;
  }
}

/* ── RESEARCH / PUBLICATIONS ───────────────────────── */
.research-intro {
  max-width: 760px;
  margin: 0 auto 2rem;
  text-align: center;
}

.research-intro__icon {
  width: clamp(80px, 12vw, 110px);
  height: clamp(80px, 12vw, 110px);
  margin: 0 auto 1.6rem;
  color: var(--accent);
  filter: drop-shadow(0 0 18px var(--accent-glow));
  animation: sectionIconFloat 5s ease-in-out infinite;
}

.research-intro__headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary), var(--chrome-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.2rem;
}

.research-intro__text {
  font-family: var(--font-body);
  font-size: clamp(0.92rem, 1.15vw, 1.05rem);
  line-height: 1.75;
  color: var(--text-secondary);
  font-weight: 300;
  letter-spacing: 0.01em;
}

.research-intro__text strong {
  color: var(--text-primary);
  font-weight: 500;
}

.research-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.research-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.research-stat__number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #94b0ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.research-stat__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.research-subheadline {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--chrome-light);
  text-align: center;
  margin-bottom: 1.2rem;
}

/* Filters */
.pub-filters {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.pub-filter {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0.5em 1.2em;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
}

.pub-filter:hover {
  border-color: var(--border-hover);
  color: var(--text-secondary);
  background: rgba(133, 104, 255, 0.04);
}

.pub-filter--active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(133, 104, 255, 0.08);
}

.pub-toggle-all {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0.5em 1.2em;
  border-radius: 100px;
  border: 1px solid rgba(255, 184, 48, 0.35);
  color: var(--accent-gold);
  background: rgba(255, 184, 48, 0.06);
  cursor: pointer;
  transition: all 0.3s ease;
}

.pub-toggle-all:hover {
  border-color: rgba(255, 184, 48, 0.55);
  color: #ffe080;
  background: rgba(255, 184, 48, 0.12);
  box-shadow: 0 0 14px rgba(255, 184, 48, 0.1);
}

.pub-toggle-all__icon {
  width: 14px;
  height: 14px;
  transition: transform 0.4s var(--ease-out-expo);
}

.pub-toggle-all[aria-expanded="true"] .pub-toggle-all__icon {
  transform: rotate(180deg);
}

.pub-filters__separator {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 0.4rem;
  flex-shrink: 0;
}

/* Timeline */
.publications-timeline {
  position: relative;
  padding-left: 2px;
}

.publications-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent-glow-strong), var(--border), transparent);
}

/* Year markers - collapsible */
.pub-year-group {
  margin-bottom: 0.5rem;
}

.pub-year-marker {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 1rem 0 1rem 24px;
  position: relative;
  width: 100%;
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  text-align: left;
  color: inherit;
  border-radius: 8px;
  transition: background 0.3s ease;
}

.pub-year-marker:hover {
  background: rgba(133, 104, 255, 0.03);
}

.pub-year-marker__dot {
  position: absolute;
  left: -5px;
  top: 50%;
  transform: translateY(-50%);
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--accent);
  box-shadow: 0 0 12px var(--accent-glow-strong);
  z-index: 1;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.pub-year-marker[aria-expanded="true"] .pub-year-marker__dot {
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow-strong);
}

.pub-year-marker__year {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary), var(--chrome-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}

.pub-year-marker__count {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: rgba(133, 104, 255, 0.1);
  border: 1px solid rgba(133, 104, 255, 0.2);
  border-radius: 100px;
  padding: 0.15em 0.55em;
  flex-shrink: 0;
  line-height: 1.6;
}

.pub-year-marker__summary {
  font-family: var(--font-body);
  font-size: clamp(0.78rem, 0.95vw, 0.88rem);
  color: var(--text-muted);
  font-weight: 300;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  transition: color 0.3s ease;
}

.pub-year-marker:hover .pub-year-marker__summary {
  color: var(--text-secondary);
}

.pub-year-marker__line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border), transparent);
  min-width: 20px;
}

.pub-year-marker__chevron {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.4s var(--ease-out-expo), color 0.3s ease;
}

.pub-year-marker[aria-expanded="true"] .pub-year-marker__chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

/* Collapsible cards container */
.pub-year-cards {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease-out-expo), opacity 0.4s ease;
  opacity: 0;
}

.pub-year-cards--open {
  opacity: 1;
  /* max-height set by JS */
}

/* Publication cards */
.pub-card {
  position: relative;
  margin-left: 24px;
  margin-bottom: 0.75rem;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color 0.4s ease, transform 0.4s var(--ease-out-expo), box-shadow 0.4s ease;
}

.pub-card:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
  box-shadow: 0 4px 30px rgba(133, 104, 255, 0.06);
}

.pub-card__accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  border-radius: 3px 0 0 3px;
  background: var(--accent-dim);
  opacity: 0.4;
  transition: opacity 0.3s ease;
}

.pub-card:hover .pub-card__accent {
  opacity: 1;
}

.pub-card[data-type="book"] .pub-card__accent { background: var(--accent-gold); }
.pub-card[data-type="journal"] .pub-card__accent { background: var(--accent-teal); }

.pub-card__content {
  padding: 1.25rem 1.5rem;
}

.pub-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
  flex-wrap: wrap;
}

.pub-card__type {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25em 0.7em;
  border-radius: 4px;
  font-weight: 500;
}

.pub-card__type--conference {
  color: var(--accent);
  background: rgba(133, 104, 255, 0.1);
  border: 1px solid rgba(133, 104, 255, 0.2);
}

.pub-card__type--book {
  color: var(--accent-gold);
  background: rgba(255, 184, 48, 0.08);
  border: 1px solid rgba(255, 184, 48, 0.2);
}

.pub-card__type--journal {
  color: var(--accent-teal);
  background: rgba(68, 232, 208, 0.08);
  border: 1px solid rgba(68, 232, 208, 0.2);
}

.pub-card__venue {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.pub-card__badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2em 0.6em;
  border-radius: 4px;
  color: var(--accent-gold);
  background: rgba(255, 184, 48, 0.12);
  border: 1px solid rgba(255, 184, 48, 0.3);
  animation: badgePulse 3s ease-in-out infinite alternate;
}

@keyframes badgePulse {
  0% { box-shadow: 0 0 0 rgba(255, 184, 48, 0); }
  100% { box-shadow: 0 0 10px rgba(255, 184, 48, 0.15); }
}

.pub-card__title {
  font-family: var(--font-body);
  font-size: clamp(0.92rem, 1.1vw, 1.02rem);
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.45;
  margin-bottom: 0.4rem;
}

.pub-card__authors {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 0.35rem;
}

.pub-card__author--self {
  color: var(--accent);
  font-weight: 500;
}

.pub-card__author--highlight {
  color: var(--text-primary);
  font-weight: 400;
}

.pub-card__details {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.55;
  font-weight: 300;
}

.pub-card__details em {
  font-style: italic;
  color: var(--text-secondary);
}

.pub-card__actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.75rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border);
}

.pub-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  padding: 0.35em 0.8em;
  border-radius: 6px;
  border: 1px solid rgba(133, 104, 255, 0.2);
  background: rgba(133, 104, 255, 0.04);
  transition: all 0.3s ease;
}

.pub-card__link:hover {
  background: rgba(133, 104, 255, 0.12);
  border-color: rgba(133, 104, 255, 0.4);
  transform: translateY(-1px);
}

.pub-card__link svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Filter animation */
.pub-card--hidden {
  display: none;
}

/* Responsive */
@media (max-width: 640px) {
  .research-stats {
    gap: 1.5rem;
  }

  .pub-card__content {
    padding: 1rem 1.1rem;
  }

  .publications-timeline::before {
    display: none;
  }

  .pub-year-marker {
    padding-left: 0;
  }

  .pub-year-marker__dot {
    display: none;
  }

  .pub-year-marker__summary {
    display: none;
  }

  .pub-card {
    margin-left: 0;
  }

  .pub-card__meta {
    gap: 0.4rem;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero__logo { animation: none; }
  .hero__logo-glow { animation: none; }
  .hero__scroll-line { animation: none; }
  .placeholder-card__shimmer { animation: none; }

  /* Exempt the ArtiQverse logo hover spin - it's a brand-essential
     interactive response to direct user input, not passive motion.
     Short, deliberate, only plays when the visitor explicitly hovers. */
  .artiqverse-teaser:hover .artiqverse-teaser__logo {
    animation-duration: 0.8s !important;
  }
}