/* =========================================================
   Agus Kurnia — Academic Portfolio
   Design tokens, light/dark theme, layout & components
   ========================================================= */

:root {
  /* Type */
  --font-serif: "Newsreader", Georgia, "Times New Roman", serif;
  --font-sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Warm-neutral light palette */
  --bg: #f5f3ee;
  --bg-2: #efece5;
  --surface: #fffdf9;
  --surface-2: #faf8f2;
  --ink: #18211e;
  --ink-soft: #4a544f;
  --ink-faint: #8a938e;
  --line: #e3dfd5;
  --line-strong: #d2cdc0;

  /* Accent — muted emerald/teal */
  --accent: #1f7a6d;
  --accent-deep: #145c52;
  --accent-soft: rgba(31, 122, 109, 0.10);
  --accent-ring: rgba(31, 122, 109, 0.28);

  --shadow-sm: 0 1px 2px rgba(20, 30, 26, 0.05), 0 1px 3px rgba(20, 30, 26, 0.06);
  --shadow-md: 0 6px 24px -8px rgba(20, 30, 26, 0.16);
  --shadow-lg: 0 24px 60px -20px rgba(20, 30, 26, 0.30);

  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1120px;
  --nav-h: 68px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="dark"] {
  --bg: #0c100e;
  --bg-2: #10151200;
  --surface: #141a17;
  --surface-2: #181f1b;
  --ink: #e9ede9;
  --ink-soft: #aab4ae;
  --ink-faint: #6f7a74;
  --line: #232b27;
  --line-strong: #2e3833;
  --accent: #4cc2af;
  --accent-deep: #38a695;
  --accent-soft: rgba(76, 194, 175, 0.12);
  --accent-ring: rgba(76, 194, 175, 0.30);
  --shadow-md: 0 6px 24px -8px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, 0.6);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--accent-ring); color: var(--ink); }

.skip-link {
  position: fixed; left: 12px; top: -60px; z-index: 200;
  background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 8px;
  transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  z-index: 120; transition: width 0.1s linear;
}

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 110;
  display: flex; align-items: center;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav__inner {
  width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px;
  display: flex; align-items: center; gap: 24px;
}
.nav__brand { display: flex; align-items: center; gap: 12px; font-weight: 600; }
.nav__monogram {
  display: grid; place-items: center; width: 36px; height: 36px;
  background: var(--ink); color: var(--bg); border-radius: 10px;
  font-family: var(--font-serif); font-weight: 600; font-size: 16px; letter-spacing: 0.5px;
}
.nav__name { font-size: 15px; letter-spacing: 0.2px; }
.nav__links { display: flex; gap: 4px; margin-left: auto; }
.nav__links a {
  font-size: 14px; color: var(--ink-soft); padding: 8px 12px; border-radius: 8px;
  position: relative; transition: color 0.2s, background 0.2s;
}
.nav__links a:hover { color: var(--ink); background: var(--accent-soft); }
.nav__links a.is-active { color: var(--accent); }
.nav__actions { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
}
.icon-btn:hover { border-color: var(--line-strong); transform: translateY(-1px); }
#themeToggle .icon-moon { display: none; }
[data-theme="dark"] #themeToggle .icon-sun { display: none; }
[data-theme="dark"] #themeToggle .icon-moon { display: block; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 14px; font-weight: 500; padding: 11px 20px; border-radius: 10px;
  border: 1px solid transparent; transition: transform 0.2s var(--ease), background 0.2s, box-shadow 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn--solid { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn--solid:hover { background: var(--accent-deep); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.nav__burger { display: none; flex-direction: column; gap: 4px; }
.nav__burger span { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.nav__burger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: calc(var(--nav-h) + 40px) 28px 60px;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 90% at 80% -10%, var(--accent-soft), transparent 55%);
}
.hero__particles { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.55; }
.hero__inner { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; width: 100%; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.3px;
  color: var(--ink-soft); padding: 7px 14px; border: 1px solid var(--line);
  border-radius: 100px; background: color-mix(in srgb, var(--surface) 70%, transparent);
}
.hero__eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.hero__sep { color: var(--ink-faint); }
.hero__title {
  font-family: var(--font-serif); font-weight: 500; letter-spacing: -0.02em;
  font-size: clamp(48px, 9vw, 104px); line-height: 0.98; margin: 26px 0 0;
}
.hero__typed {
  font-family: var(--font-serif); font-style: italic; font-weight: 400;
  font-size: clamp(20px, 3.4vw, 34px); color: var(--accent); margin: 14px 0 0; min-height: 1.4em;
}
.caret { display: inline-block; width: 2px; background: var(--accent); margin-left: 2px; animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero__tagline { max-width: 620px; font-size: clamp(17px, 2vw, 20px); color: var(--ink-soft); margin: 22px 0 0; text-wrap: pretty; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.hero__scroll { position: absolute; bottom: 14px; left: 28px; display: flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 12px; color: var(--ink-faint); }
.hero__scroll i { width: 1px; height: 30px; background: var(--line-strong); position: relative; overflow: hidden; }
.hero__scroll i::after { content: ""; position: absolute; top: -30px; left: 0; width: 1px; height: 30px; background: var(--accent); animation: scrolldot 1.8s var(--ease) infinite; }
@keyframes scrolldot { to { top: 30px; } }

/* ---------- Section scaffolding ---------- */
.section { max-width: var(--maxw); margin: 0 auto; padding: clamp(70px, 11vw, 140px) 28px; }
.section__head { margin-bottom: 48px; }
.section__index { font-family: var(--font-mono); font-size: 13px; color: var(--accent); letter-spacing: 1px; }
.section__title { font-family: var(--font-serif); font-weight: 500; letter-spacing: -0.02em; font-size: clamp(30px, 5vw, 48px); margin: 8px 0 0; line-height: 1.05; }
.section__lead { max-width: 560px; color: var(--ink-soft); font-size: 18px; margin: 16px 0 0; text-wrap: pretty; }

/* Reveal animation */
[data-reveal], .reveal-child { opacity: 0; transform: translateY(22px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
[data-reveal].is-in, .reveal-child.is-in { opacity: 1; transform: none; }
.reveal-child:nth-child(2) { transition-delay: 0.06s; }
.reveal-child:nth-child(3) { transition-delay: 0.12s; }
.reveal-child:nth-child(4) { transition-delay: 0.18s; }
.reveal-child:nth-child(5) { transition-delay: 0.24s; }
.reveal-child:nth-child(6) { transition-delay: 0.30s; }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 300px 1fr; gap: clamp(32px, 6vw, 72px); align-items: start; }
.about__photo { position: sticky; top: calc(var(--nav-h) + 30px); }
.photo-frame {
  aspect-ratio: 4 / 5; border-radius: var(--radius); overflow: hidden;
  background: var(--surface-2); border: 1px solid var(--line); box-shadow: var(--shadow-md);
  position: relative;
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.photo-frame__ph {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  background:
    repeating-linear-gradient(135deg, var(--surface-2), var(--surface-2) 12px, var(--surface) 12px, var(--surface) 24px);
  color: var(--ink-faint); text-align: center; padding: 20px;
}
.photo-frame__mono { font-family: var(--font-serif); font-size: 56px; color: var(--ink); opacity: 0.18; }
.photo-frame__hint { font-family: var(--font-mono); font-size: 12px; }
.about__signature { width: 150px; margin: 18px auto 0; opacity: 0.7; filter: grayscale(0.2); }
[data-theme="dark"] .about__signature { filter: invert(0.85) hue-rotate(150deg); opacity: 0.8; }
.about__bio { font-size: clamp(19px, 2.4vw, 24px); font-family: var(--font-serif); line-height: 1.55; color: var(--ink); text-wrap: pretty; }
.about__facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin: 40px 0 0; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.about__facts > div { background: var(--surface); padding: 18px 20px; }
.about__facts dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.5px; text-transform: uppercase; color: var(--ink-faint); }
.about__facts dd { margin: 5px 0 0; font-size: 15px; font-weight: 500; }

/* ---------- Timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 11px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.timeline li { position: relative; padding: 0 0 40px 48px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline__node { position: absolute; left: 3px; top: 4px; width: 18px; height: 18px; border-radius: 50%; background: var(--surface); border: 2px solid var(--accent); }
.timeline li.is-current .timeline__node { background: var(--accent); box-shadow: 0 0 0 5px var(--accent-soft); }
.timeline__years { font-family: var(--font-mono); font-size: 13px; color: var(--accent); }
.timeline__degree { font-family: var(--font-serif); font-size: 23px; margin: 4px 0 2px; }
.timeline__inst { color: var(--ink); font-weight: 500; }
.timeline__field { color: var(--ink-soft); }
.timeline__thesis { margin: 12px 0 0; padding: 12px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); font-size: 14.5px; color: var(--ink-soft); font-style: italic; }
.tag { display: inline-block; font-family: var(--font-mono); font-size: 11px; padding: 3px 9px; border-radius: 100px; border: 1px solid var(--line-strong); color: var(--ink-soft); margin-left: 8px; vertical-align: middle; }
.tag--live { color: var(--accent); border-color: var(--accent-ring); background: var(--accent-soft); }
.timeline__grid { display: grid; grid-template-columns: 1fr 200px; gap: 28px; align-items: start; }
.timeline__photo { margin: 0; aspect-ratio: 4 / 3; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--line); background: var(--surface-2); position: relative; }
.timeline__photo img { width: 100%; height: 100%; object-fit: cover; }
.timeline__photoph {
  position: absolute; inset: 0; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  background: repeating-linear-gradient(135deg, var(--surface-2), var(--surface-2) 10px, var(--surface) 10px, var(--surface) 20px);
  color: var(--ink-faint); text-align: center; padding: 12px;
}
.timeline__photoph em { font-style: normal; font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-soft); }
.timeline__photoph code { font-family: var(--font-mono); font-size: 10px; word-break: break-all; line-height: 1.3; }

/* ---------- Experience (work + organization) ---------- */
.exp-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.exp {
  display: grid; grid-template-columns: 150px 1fr auto; gap: 24px; align-items: start;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px;
  transition: transform 0.25s var(--ease), border-color 0.25s;
}
.exp:hover { transform: translateX(4px); border-color: var(--accent-ring); }
.exp--ph { border-style: dashed; }
.exp.is-current { border-color: var(--accent-ring); }
.exp__period { font-family: var(--font-mono); font-size: 13px; color: var(--accent); padding-top: 3px; }
.exp__role { font-family: var(--font-serif); font-weight: 500; font-size: 20px; margin: 0 0 5px; line-height: 1.25; }
.exp__org { font-size: 14.5px; font-weight: 500; }
.exp__org span { color: var(--ink-soft); font-weight: 400; }
.exp__desc { color: var(--ink-soft); font-size: 14.5px; margin: 10px 0 0; text-wrap: pretty; }

/* ---------- Interests ---------- */
.interests { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.interest {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, border-color 0.3s;
}
.interest:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.interest__num { font-family: var(--font-mono); font-size: 12px; color: var(--accent); }
.interest h3 { font-family: var(--font-serif); font-weight: 500; font-size: 21px; margin: 12px 0 8px; }
.interest p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* ---------- Stats ---------- */
.section--stats { padding-top: 0; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--surface); padding: 40px 24px; text-align: center; }
.stat__value { font-family: var(--font-serif); font-weight: 600; font-size: clamp(40px, 6vw, 64px); line-height: 1; color: var(--ink); letter-spacing: -0.02em; }
.stat__value .plus { color: var(--accent); }
.stat__label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.5px; text-transform: uppercase; color: var(--ink-faint); margin-top: 12px; }

/* ---------- Cards (research / service / awards) ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 18px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  display: flex; flex-direction: column; gap: 12px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, border-color 0.3s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.card__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card__year { font-family: var(--font-mono); font-size: 13px; color: var(--accent); }
.card__title { font-family: var(--font-serif); font-size: 19px; line-height: 1.3; margin: 0; font-weight: 500; text-wrap: pretty; }
.card__meta { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: auto; padding-top: 8px; }
.card__meta span { font-size: 13px; color: var(--ink-soft); display: inline-flex; align-items: center; gap: 6px; }
.card__meta b { color: var(--ink); font-weight: 600; }
.pill { font-family: var(--font-mono); font-size: 11px; padding: 4px 10px; border-radius: 100px; background: var(--accent-soft); color: var(--accent); white-space: nowrap; }
.pill--muted { background: var(--surface-2); color: var(--ink-faint); border: 1px solid var(--line); }

/* ---------- Publications ---------- */
.pub-controls { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.search { display: flex; align-items: center; gap: 10px; padding: 10px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 100px; color: var(--ink-faint); min-width: 260px; flex: 1; max-width: 360px; }
.search input { border: none; background: none; outline: none; color: var(--ink); font-size: 15px; width: 100%; font-family: inherit; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filter { font-size: 13px; padding: 8px 16px; border-radius: 100px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-soft); transition: all 0.2s; }
.filter:hover { border-color: var(--line-strong); color: var(--ink); }
.filter.is-active { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.pub-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.pub {
  display: grid; grid-template-columns: 64px 1fr auto; gap: 20px; align-items: baseline;
  padding: 24px 8px; border-bottom: 1px solid var(--line);
  transition: background 0.25s, padding 0.25s;
}
.pub:hover { background: var(--surface); padding-left: 16px; padding-right: 16px; }
.pub__year { font-family: var(--font-mono); font-size: 14px; color: var(--accent); }
.pub__title { font-family: var(--font-serif); font-size: 19px; line-height: 1.35; margin: 0 0 6px; font-weight: 500; text-wrap: pretty; }
.pub__journal { color: var(--ink-soft); font-size: 14px; font-style: italic; }
.pub__right { display: flex; align-items: center; gap: 8px; }
.pub-empty { text-align: center; color: var(--ink-faint); padding: 40px; font-style: italic; }

/* ---------- Conferences ---------- */
.conf-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.conf {
  display: grid; grid-template-columns: 72px 1fr; gap: 20px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px;
  transition: transform 0.25s var(--ease), border-color 0.25s;
}
.conf:hover { transform: translateX(4px); border-color: var(--accent-ring); }
.conf__year { font-family: var(--font-serif); font-size: 26px; color: var(--accent); font-weight: 500; }
.conf__title { font-family: var(--font-serif); font-size: 19px; margin: 0 0 8px; font-weight: 500; line-height: 1.3; }
.conf__event { font-weight: 500; font-size: 14.5px; }
.conf__loc { color: var(--ink-soft); font-size: 13.5px; margin-top: 3px; font-family: var(--font-mono); }

/* ---------- Teaching ---------- */
.teaching { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(28px, 5vw, 56px); align-items: start; }
.teaching__subhead { font-family: var(--font-mono); font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 18px; }
.course { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.course__code { display: inline-block; font-family: var(--font-mono); font-size: 12px; padding: 4px 10px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); margin-bottom: 14px; }
.course h3 { font-family: var(--font-serif); font-weight: 500; font-size: 22px; margin: 0 0 6px; }
.course__level { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-faint); }
.course p { color: var(--ink-soft); margin: 14px 0 0; font-size: 15px; }
.mini-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.mini { background: var(--surface); padding: 16px 20px; display: grid; grid-template-columns: 50px 1fr auto; gap: 14px; align-items: baseline; }
.mini__year { font-family: var(--font-mono); font-size: 13px; color: var(--accent); }
.mini__title { font-size: 14.5px; }
.mini__org { font-size: 12.5px; color: var(--ink-faint); margin-top: 2px; }

/* ---------- Skills ---------- */
.skills { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(28px, 5vw, 56px); }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { padding: 9px 16px; border-radius: 100px; background: var(--surface); border: 1px solid var(--line); font-size: 14px; transition: all 0.2s; }
.chip:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.langs { display: grid; gap: 14px; }
.lang { display: flex; align-items: center; justify-content: space-between; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.lang__name { font-family: var(--font-serif); font-size: 18px; }
.lang__level { font-family: var(--font-mono); font-size: 12px; color: var(--accent); }

/* ---------- Gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.gallery__item {
  aspect-ratio: 4 / 3; border-radius: var(--radius); overflow: hidden; position: relative;
  border: 1px solid var(--line); background: var(--surface-2); cursor: pointer;
}
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.gallery__item:hover img { transform: scale(1.05); }
.gallery__ph {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  background: repeating-linear-gradient(135deg, var(--surface-2), var(--surface-2) 11px, var(--surface) 11px, var(--surface) 22px);
  color: var(--ink-faint); text-align: center; padding: 16px;
}
.gallery__ph svg { opacity: 0.4; }
.gallery__ph span { font-family: var(--font-mono); font-size: 11.5px; }
.gallery__cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7)); color: #fff; font-size: 13px;
  opacity: 0; transform: translateY(8px); transition: 0.3s;
}
.gallery__item:hover .gallery__cap { opacity: 1; transform: none; }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 6vw, 64px); align-items: start; }
.contact__row { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); align-items: flex-start; }
.contact__icon { flex: none; width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.contact__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.5px; text-transform: uppercase; color: var(--ink-faint); }
.contact__val { font-size: 16px; font-weight: 500; margin-top: 3px; word-break: break-word; }
.contact__val a:hover { color: var(--accent); }
.contact__form { display: grid; gap: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.field { display: grid; gap: 7px; }
.field label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.5px; text-transform: uppercase; color: var(--ink-faint); }
.field input, .field textarea {
  font-family: inherit; font-size: 15px; padding: 12px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--bg); color: var(--ink); resize: vertical; transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); background: var(--surface-2); margin-top: 60px; }
.footer__inner { max-width: var(--maxw); margin: 0 auto; padding: 56px 28px 32px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.footer__brand { display: flex; gap: 14px; align-items: center; }
.footer__brand strong { display: block; font-family: var(--font-serif); font-weight: 500; font-size: 17px; }
.footer__brand span { font-size: 13px; color: var(--ink-faint); }
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { font-size: 14px; color: var(--ink-soft); transition: color 0.2s; }
.footer__links a:hover { color: var(--accent); }
.footer__social { display: flex; flex-direction: column; gap: 10px; }
.footer__social a { font-size: 14px; color: var(--ink-soft); display: flex; align-items: center; gap: 8px; transition: color 0.2s; }
.footer__social a:hover { color: var(--accent); }
.footer__social .muted { color: var(--ink-faint); font-style: italic; cursor: default; }
.footer__base { max-width: var(--maxw); margin: 0 auto; padding: 22px 28px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; color: var(--ink-faint); }
.footer__base code { font-family: var(--font-mono); font-size: 12px; color: var(--ink-soft); }

/* ---------- To-top + lightbox ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 100; width: 46px; height: 46px; border-radius: 50%;
  background: var(--ink); color: var(--bg); border: none; display: grid; place-items: center;
  box-shadow: var(--shadow-md); opacity: 0; transform: translateY(20px) scale(0.9); pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
}
.to-top.is-show { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--accent); }
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(8,12,10,0.9); backdrop-filter: blur(8px); display: grid; place-items: center; padding: 40px; }
.lightbox[hidden] { display: none; }
.lightbox figure { margin: 0; max-width: 900px; text-align: center; }
.lightbox__img { width: min(80vw, 900px); aspect-ratio: 4/3; border-radius: var(--radius); background: repeating-linear-gradient(135deg, #1a221e, #1a221e 14px, #222b26 14px, #222b26 28px); display: grid; place-items: center; }
.lightbox figcaption { color: #cfd8d3; margin-top: 16px; font-size: 15px; }
.lightbox__close { position: absolute; top: 22px; right: 28px; background: none; border: none; color: #fff; font-size: 36px; line-height: 1; }

.placeholder-note { font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); font-style: normal; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .nav__links a { padding: 8px 9px; }
}
@media (max-width: 920px) {
  .about { grid-template-columns: 1fr; }
  .about__photo { position: static; max-width: 280px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .teaching, .skills, .contact { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .timeline__grid { grid-template-columns: 1fr; }
  .timeline__photo { max-width: 280px; order: -1; }
  .exp { grid-template-columns: 120px 1fr; }
  .exp .pill { grid-column: 2; justify-self: start; }
}
@media (max-width: 1040px) {
  .nav__cv { display: none; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 12px;
    transform: translateY(-130%); transition: transform 0.35s var(--ease); margin: 0;
    box-shadow: var(--shadow-lg);
  }
  .nav__links.is-open { transform: none; }
  .nav__links a { padding: 14px; border-radius: 10px; }
  .nav__burger { display: flex; }
  .interests, .cards { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .pub { grid-template-columns: 48px 1fr; }
  .pub__right { grid-column: 2; margin-top: 6px; }
  .about__facts { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .conf { grid-template-columns: 56px 1fr; }
  .exp { grid-template-columns: 1fr; gap: 8px; }
  .exp__period { padding-top: 0; }
}
@media (max-width: 440px) {
  .stats { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .hero__scroll { display: none; }
}

/* High contrast */
@media (prefers-contrast: more) {
  :root { --line: #b8b2a4; --ink-soft: #2a322e; }
  .btn--ghost { border-width: 2px; }
}

/* =========================================================
   EDITOR MODE
   ========================================================= */
.ed-toggle {
  position: fixed; left: 24px; bottom: 24px; z-index: 150;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-radius: 100px; border: 1px solid var(--line-strong);
  background: var(--ink); color: var(--bg); font-size: 14px; font-weight: 500;
  box-shadow: var(--shadow-md); transition: transform 0.2s var(--ease), background 0.2s;
}
.ed-toggle:hover { transform: translateY(-2px); }
.ed-toggle--dirty::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent); }
body.ed-on .ed-toggle { background: var(--accent); border-color: var(--accent); }

.ed-panel {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(440px, 100vw); z-index: 160;
  background: var(--surface); border-left: 1px solid var(--line); box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; transform: translateX(100%);
  transition: transform 0.4s var(--ease); font-size: 14px;
}
body.ed-on .ed-panel { transform: none; }
body.ed-on { padding-right: 0; }
@media (min-width: 1100px) { body.ed-on #main, body.ed-on .footer, body.ed-on .nav__inner { margin-right: min(440px, 40vw); transition: margin 0.4s var(--ease); } }

.ed-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.ed-head strong { font-family: var(--font-serif); font-size: 18px; display: block; }
.ed-head small { color: var(--ink-faint); font-size: 12px; line-height: 1.4; display: block; margin-top: 3px; }
.ed-close { background: none; border: none; font-size: 26px; line-height: 1; color: var(--ink-soft); width: 32px; height: 32px; border-radius: 8px; }
.ed-close:hover { background: var(--bg-2); color: var(--ink); }

.ed-bar { display: flex; gap: 8px; padding: 12px 20px; border-bottom: 1px solid var(--line); }
.ed-btn { flex: 1; padding: 10px; border-radius: 9px; border: 1px solid var(--line-strong); background: var(--bg); color: var(--ink); font-size: 13px; font-weight: 500; transition: 0.2s; }
.ed-btn:hover { border-color: var(--accent); color: var(--accent); }
.ed-btn--primary { flex: 2; background: var(--accent); color: #fff; border-color: var(--accent); }
.ed-btn--primary:hover { background: var(--accent-deep); color: #fff; }

.ed-tabs { display: flex; gap: 4px; padding: 12px 16px; overflow-x: auto; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.ed-tab { padding: 6px 12px; border-radius: 100px; border: 1px solid var(--line); background: var(--bg); color: var(--ink-soft); font-size: 12.5px; white-space: nowrap; transition: 0.2s; }
.ed-tab:hover { color: var(--ink); }
.ed-tab.is-active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.ed-body { flex: 1; overflow-y: auto; padding: 18px 20px; display: flex; flex-direction: column; gap: 14px; }
.ed-foot { padding: 12px 20px; border-top: 1px solid var(--line); font-size: 11.5px; color: var(--ink-faint); line-height: 1.5; }
.ed-foot code { font-family: var(--font-mono); font-size: 11px; color: var(--ink-soft); }

.ed-field { display: flex; flex-direction: column; gap: 6px; }
.ed-field--row { flex-direction: row; align-items: center; gap: 9px; }
.ed-field--row input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent); }
.ed-lab { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.4px; text-transform: uppercase; color: var(--ink-faint); }
.ed-field input, .ed-field textarea, .ed-field select { font-family: inherit; font-size: 14px; padding: 9px 11px; border-radius: 8px; border: 1px solid var(--line-strong); background: var(--bg); color: var(--ink); width: 100%; }
.ed-field textarea { resize: vertical; line-height: 1.5; }
.ed-field input:focus, .ed-field textarea:focus, .ed-field select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.ed-group { border: 1px solid var(--line); border-radius: 10px; padding: 14px; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.ed-group legend { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--accent); padding: 0 6px; }

.ed-strlist { display: flex; flex-direction: column; gap: 6px; }
.ed-strrow { display: flex; gap: 6px; }
.ed-x { width: 32px; flex: none; border: 1px solid var(--line-strong); background: var(--bg); border-radius: 8px; color: var(--ink-soft); font-size: 16px; }
.ed-x:hover { border-color: #c0443a; color: #c0443a; }
.ed-add-sm { align-self: flex-start; padding: 6px 12px; border-radius: 8px; border: 1px dashed var(--line-strong); background: none; color: var(--ink-soft); font-size: 12.5px; }
.ed-add-sm:hover { border-color: var(--accent); color: var(--accent); }

.ed-img { display: grid; grid-template-columns: 64px 1fr; gap: 8px 10px; align-items: center; }
.ed-img__prev { grid-row: span 3; width: 64px; height: 64px; border-radius: 8px; background-size: cover; background-position: center; border: 1px solid var(--line-strong); }
.ed-img__prev.is-empty { display: grid; place-items: center; font-size: 9px; color: var(--ink-faint); background: repeating-linear-gradient(135deg, var(--bg), var(--bg) 6px, var(--surface-2) 6px, var(--surface-2) 12px); }
.ed-file { font-size: 12px; }
.ed-path { font-size: 12px !important; padding: 7px 9px !important; }

.ed-arr { display: flex; flex-direction: column; gap: 8px; }
.ed-item { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.ed-item[open] { border-color: var(--accent-ring); }
.ed-item summary { list-style: none; cursor: pointer; padding: 11px 14px; display: flex; align-items: center; justify-content: space-between; gap: 10px; background: var(--bg); }
.ed-item summary::-webkit-details-marker { display: none; }
.ed-item__t { font-size: 13.5px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ed-item__tools { display: flex; gap: 4px; flex: none; }
.ed-item__tools button { padding: 3px 8px; border-radius: 6px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink-soft); font-size: 12px; }
.ed-item__tools .ed-del:hover { border-color: #c0443a; color: #c0443a; }
.ed-item > .ed-field, .ed-item > fieldset { margin: 10px 14px; }
.ed-item > *:last-child { margin-bottom: 14px; }
.ed-add { padding: 11px; border-radius: 9px; border: 1px dashed var(--accent-ring); background: var(--accent-soft); color: var(--accent); font-size: 13.5px; font-weight: 500; }
.ed-add:hover { background: color-mix(in srgb, var(--accent) 16%, transparent); }

@media (max-width: 720px) {
  .ed-toggle { left: 16px; bottom: 16px; padding: 10px 15px; }
  .ed-panel { width: 100vw; }
}