/* ── Tokens ── */
:root {
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-display: 'Inter Tight', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  --radius: 16px;
  --radius-sm: 10px;
  --max: 1120px;
  --nav-h: 64px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
[data-theme='dark'] {
  color-scheme: dark;
  --bg: #0b0d12;
  --bg-alt: #0e1118;
  --surface: #131722;
  --surface-2: #1a1f2c;
  --border: rgba(255, 255, 255, .08);
  --border-strong: rgba(255, 255, 255, .16);
  --text: #eceef3;
  --text-2: #b4bccb;
  --muted: #8690a2;
  --accent: #8b7bff;
  --accent-2: #3dd6f5;
  --accent-ink: #0b0d12;
  --glow: rgba(139, 123, 255, .18);
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, .6);
  --particle: 180, 190, 255;
}
[data-theme='light'] {
  color-scheme: light;
  --bg: #fafaf9;
  --bg-alt: #f3f3f1;
  --surface: #ffffff;
  --surface-2: #f5f5f4;
  --border: rgba(17, 19, 24, .09);
  --border-strong: rgba(17, 19, 24, .18);
  --text: #111318;
  --text-2: #3d4452;
  --muted: #646d7c;
  --accent: #5b3df5;
  --accent-2: #0891b2;
  --accent-ink: #ffffff;
  --glow: rgba(91, 61, 245, .12);
  --shadow: 0 20px 40px -24px rgba(17, 19, 24, .25);
  --particle: 91, 61, 245;
}

/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font); font-size: 16px; line-height: 1.65;
  color: var(--text); background: var(--bg);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color .3s, color .3s;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
svg { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
svg.fill { fill: currentColor; stroke: none; }
kbd {
  font-family: var(--font-mono); font-size: .72em; padding: .1em .45em;
  border: 1px solid var(--border-strong); border-bottom-width: 2px; border-radius: 6px;
  color: var(--muted); background: var(--surface);
}
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 1rem; top: -100px; z-index: 300; background: var(--accent); color: var(--accent-ink); padding: .6rem 1rem; border-radius: 8px; font-weight: 600; }
.skip-link:focus { top: 1rem; }
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }
.muted { color: var(--muted); }

.progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 100%; z-index: 200;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform-origin: 0 50%; transform: scaleX(var(--p, 0));
}

/* ── Nav ── */
.nav {
  position: fixed; inset: 0 0 auto; height: var(--nav-h); z-index: 100;
  transition: background-color .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-color: var(--border);
}
.nav-inner { max-width: var(--max); margin: 0 auto; height: 100%; padding: 0 1.5rem; display: flex; align-items: center; gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-weight: 700; letter-spacing: -.01em; }
.brand-mark {
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px;
  font-size: .78rem; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 6px 18px -6px var(--accent);
}
.nav nav { margin-left: auto; }
.nav-links { display: flex; gap: .25rem; }
.nav-links a {
  display: block; padding: .45rem .75rem; border-radius: 8px;
  font-size: .875rem; font-weight: 500; color: var(--muted); transition: color .2s, background-color .2s;
}
.nav-links a:hover { color: var(--text); background: var(--surface-2); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { content: ''; display: block; height: 2px; margin-top: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.nav-actions { display: flex; align-items: center; gap: .4rem; }
.icon-btn, .kbd-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  height: 36px; min-width: 36px; padding: 0 .55rem; border-radius: 10px;
  border: 1px solid var(--border); color: var(--text-2); background: var(--surface);
  transition: border-color .2s, color .2s, transform .2s;
}
.icon-btn:hover, .kbd-btn:hover { border-color: var(--border-strong); color: var(--text); }
.icon-btn svg, .kbd-btn svg { width: 17px; height: 17px; }
.kbd-btn kbd { border: 0; background: none; padding: 0; font-size: .75rem; }
[data-theme='dark'] .i-sun, [data-theme='light'] .i-moon { display: none; }
.menu-btn { display: none; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  height: 46px; padding: 0 1.25rem; border-radius: 12px;
  font-weight: 600; font-size: .95rem; letter-spacing: -.005em;
  transition: transform .2s var(--ease), box-shadow .2s, background-color .2s, border-color .2s;
}
.btn svg { width: 18px; height: 18px; transition: transform .2s var(--ease); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 60%, var(--accent-2))); box-shadow: 0 10px 30px -10px var(--accent); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -12px var(--accent); }
.btn-primary:hover svg { transform: translateX(3px); }
.btn-ghost { border: 1px solid var(--border-strong); background: color-mix(in srgb, var(--surface) 60%, transparent); }
.btn-ghost:hover { border-color: var(--accent); transform: translateY(-2px); }
.btn-lg { height: 54px; padding: 0 1.6rem; font-size: 1rem; }
.btn-mini {
  display: inline-flex; align-items: center; height: 30px; padding: 0 .7rem; border-radius: 8px;
  font-size: .78rem; font-weight: 600; color: var(--text-2);
  border: 1px solid var(--border); background: var(--surface);
  transition: border-color .2s, color .2s;
}
.btn-mini:hover { border-color: var(--accent); color: var(--accent); }

/* ── Hero ── */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding: calc(var(--nav-h) + 3rem) 0 4.5rem; overflow: hidden; isolation: isolate; }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.hero-glow {
  position: absolute; inset: -20% -10% auto; height: 90%; z-index: -2; pointer-events: none;
  background:
    radial-gradient(40% 50% at 70% 30%, var(--glow), transparent 70%),
    radial-gradient(30% 40% at 20% 60%, color-mix(in srgb, var(--accent-2) 14%, transparent), transparent 70%);
  filter: blur(10px); animation: drift 18s ease-in-out infinite alternate;
}
@keyframes drift { to { transform: translate3d(-4%, 4%, 0) scale(1.06); } }
.hero::after { content: ''; position: absolute; inset: auto 0 0; height: 160px; background: linear-gradient(transparent, var(--bg)); z-index: -1; pointer-events: none; }
.hero-inner { display: grid; grid-template-columns: 1.35fr .85fr; gap: 4rem; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem; padding: .35rem .85rem .35rem .65rem; margin-bottom: 1.4rem;
  border: 1px solid var(--border-strong); border-radius: 999px; background: color-mix(in srgb, var(--surface) 70%, transparent);
  font-size: .8rem; font-weight: 500; color: var(--text-2); backdrop-filter: blur(6px);
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 0 rgba(34, 197, 94, .6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); } 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); } }
.hero h1 {
  font-family: var(--font-display); font-weight: 800; letter-spacing: -.035em; line-height: 1.02;
  font-size: clamp(2.8rem, 7vw, 5.2rem); margin-bottom: 1rem;
  background: linear-gradient(180deg, var(--text) 30%, color-mix(in srgb, var(--text) 55%, var(--accent)));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-role { font-size: clamp(1.1rem, 2.2vw, 1.4rem); font-weight: 500; color: var(--text-2); margin-bottom: 1.25rem; min-height: 1.6em; }
.typed { color: var(--text); background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 600; }
.caret { display: inline-block; width: 2px; height: 1.1em; margin-left: 3px; vertical-align: -.15em; background: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero-desc { max-width: 580px; color: var(--text-2); font-size: 1.06rem; margin-bottom: 2rem; }
.hero-desc strong { color: var(--text); font-weight: 600; }
.hero-cta { display: flex; gap: .75rem; flex-wrap: wrap; margin-bottom: 1.75rem; }
.socials { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.socials a, .copy-email {
  display: inline-flex; align-items: center; gap: .5rem; height: 38px; min-width: 38px; justify-content: center; padding: 0 .6rem;
  border-radius: 10px; color: var(--muted); border: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 60%, transparent);
  transition: color .2s, border-color .2s, transform .2s;
}
.socials a:hover, .copy-email:hover { color: var(--text); border-color: var(--border-strong); transform: translateY(-2px); }
.socials svg { width: 17px; height: 17px; }
.copy-email span { font-size: .82rem; font-family: var(--font-mono); }

.hero-photo { position: relative; justify-self: center; width: min(100%, 340px); }
.photo-frame {
  position: relative; border-radius: 28px; padding: 6px; aspect-ratio: 3 / 4;
  background: linear-gradient(140deg, var(--accent), transparent 40%, transparent 60%, var(--accent-2));
  box-shadow: var(--shadow), 0 0 80px -20px var(--glow);
  transform: perspective(900px) rotateX(var(--ry, 0deg)) rotateY(var(--rx, 0deg));
  transition: transform .4s var(--ease);
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; border-radius: 22px; background: var(--surface-2); }
.photo-badge {
  position: absolute; left: -14px; bottom: 28px; display: flex; align-items: center; gap: .5rem;
  padding: .55rem .9rem; border-radius: 12px; font-size: .82rem; font-weight: 600;
  background: var(--surface); border: 1px solid var(--border-strong); box-shadow: var(--shadow);
  animation: float 6s ease-in-out infinite;
}
.photo-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); }
@keyframes float { 50% { transform: translateY(-8px); } }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 4rem; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--border); }
.stat { display: flex; flex-direction: column-reverse; padding: 1.4rem 1.5rem; background: color-mix(in srgb, var(--surface) 82%, transparent); backdrop-filter: blur(8px); }
.stat dd { font-family: var(--font-display); font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 700; letter-spacing: -.03em; line-height: 1.1; }
.stat dt { font-size: .82rem; color: var(--muted); margin-top: .25rem; }
.scroll-hint { position: absolute; left: 50%; bottom: 1.2rem; transform: translateX(-50%); width: 24px; height: 38px; border: 2px solid var(--border-strong); border-radius: 14px; }
.scroll-hint span { position: absolute; left: 50%; top: 7px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--muted); animation: wheel 1.8s infinite; }
@keyframes wheel { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(12px); } }

/* ── Sections ── */
.section { padding: 6.5rem 0; position: relative; }
.section.alt { background: var(--bg-alt); }
.section-head { margin-bottom: 2.75rem; max-width: 720px; }
.kicker { font-family: var(--font-mono); font-size: .8rem; color: var(--accent); margin-bottom: .6rem; letter-spacing: .02em; }
.section h2 { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.9rem, 4vw, 2.75rem); letter-spacing: -.03em; line-height: 1.12; }
.section-sub { margin-top: .9rem; color: var(--text-2); }
.section-sub a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.label { font-size: .75rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 1.75rem 0 .75rem; }

/* ── Cards ── */
.card {
  position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  transition: border-color .25s, transform .25s var(--ease), box-shadow .25s;
}
.card:hover { border-color: var(--border-strong); box-shadow: var(--shadow); }
.spot::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), var(--glow), transparent 45%);
}
.spot:hover::before { opacity: 1; }
.card h3 { font-family: var(--font-display); font-size: 1.12rem; font-weight: 700; letter-spacing: -.015em; line-height: 1.35; }
.card p { color: var(--text-2); font-size: .95rem; }

.badge {
  display: inline-flex; align-items: center; gap: .35rem; height: 24px; padding: 0 .65rem; border-radius: 999px; white-space: nowrap;
  font-size: .72rem; font-weight: 600; letter-spacing: .02em; color: var(--muted); border: 1px solid var(--border-strong);
}
.badge-live { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, transparent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.badge-live::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tags li {
  font-family: var(--font-mono); font-size: .74rem; padding: .22rem .6rem; border-radius: 7px;
  color: var(--text-2); background: var(--surface-2); border: 1px solid var(--border);
}

/* Focus */
.trust { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; counter-reset: none; }
.trust-card { display: flex; flex-direction: column; gap: .75rem; padding: 1.75rem; overflow: hidden; }
.trust-card h3 { font-size: 1.35rem; margin-top: .25rem; }
.trust-card p { flex: 1; }
.trust-card p strong { color: var(--text); font-weight: 600; }
.trust-card:hover { transform: translateY(-4px); }
.trust-step { position: absolute; right: 1.25rem; top: .5rem; font-family: var(--font-display); font-size: 4.5rem; font-weight: 800; letter-spacing: -.05em; line-height: 1; color: var(--text); opacity: .06; pointer-events: none; }
.now-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent); }
.now-icon svg { width: 22px; height: 22px; }
.fit { display: grid; grid-template-columns: .9fr 1.4fr auto; gap: 2rem; align-items: center; margin-top: 1.25rem; padding: 1.75rem 2rem; background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 10%, var(--surface)), var(--surface) 55%, color-mix(in srgb, var(--accent-2) 8%, var(--surface))); border-color: color-mix(in srgb, var(--accent) 28%, var(--border)); }
.fit .label { margin: 0 0 .4rem; }
.fit h3 { font-size: 1.3rem; }
.fit-list { display: grid; grid-template-columns: 1fr 1fr; gap: .45rem 1.5rem; }
.fit-list li { position: relative; padding-left: 1.4rem; font-size: .9rem; color: var(--text-2); }
.fit-list li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.fit-list b { color: var(--text); font-weight: 600; }
.fit-cta { display: flex; flex-direction: column; gap: .6rem; }
.fit-cta .btn { justify-content: center; }

/* About */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3.5rem; align-items: start; }
.about-text > p:not(.label) { color: var(--text-2); font-size: 1.04rem; margin-bottom: 1.1rem; }
.about-text strong { color: var(--text); font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chips li { padding: .4rem .85rem; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); font-size: .9rem; transition: transform .2s, border-color .2s; }
.chips li:hover { transform: translateY(-2px) rotate(-1deg); border-color: var(--accent); }
.facts { display: grid; padding: .5rem 1.5rem; }
.facts > div { display: grid; grid-template-columns: 110px 1fr; gap: 1rem; padding: .95rem 0; border-bottom: 1px solid var(--border); }
.facts > div:last-child { border-bottom: 0; }
.facts dt { font-size: .75rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding-top: .15rem; }
.facts dd { font-size: .94rem; color: var(--text); }

/* Timeline */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--accent), var(--accent-2) 40%, var(--border)); border-radius: 2px; }
.tl-item { position: relative; margin-bottom: 1.5rem; }
.tl-dot { position: absolute; left: -2rem; top: 1.9rem; width: 16px; height: 16px; border-radius: 50%; background: var(--bg); border: 2px solid var(--border-strong); }
.tl-item.current .tl-dot { border-color: var(--accent); box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 20%, transparent); }
.tl-item.current .tl-dot::after { content: ''; position: absolute; inset: 3px; border-radius: 50%; background: var(--accent); }
.tl-card { padding: 1.75rem 2rem; }
.tl-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1.1rem; }
.tl-head h3 { font-size: 1.15rem; }
.org { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.meta { font-size: .86rem; color: var(--muted); margin-top: .25rem; }
.bullets { display: grid; gap: .55rem; margin-bottom: 1.25rem; }
.bullets li { position: relative; padding-left: 1.2rem; color: var(--text-2); font-size: .95rem; }
.bullets li::before { content: ''; position: absolute; left: 0; top: .7em; width: 6px; height: 6px; border-radius: 2px; background: var(--accent); transform: rotate(45deg); }
.bullets strong { color: var(--text); font-weight: 600; }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.75rem; }
.filter, .pfilter {
  height: 36px; padding: 0 1rem; border-radius: 999px; font-size: .86rem; font-weight: 500;
  color: var(--text-2); border: 1px solid var(--border); background: var(--surface);
  transition: color .2s, border-color .2s, background-color .2s;
}
.filter:hover, .pfilter:hover { border-color: var(--border-strong); color: var(--text); }
.filter.is-active, .pfilter.is-active { color: var(--accent-ink); background: var(--text); border-color: var(--text); }

/* Projects */
.projects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.project { display: flex; flex-direction: column; gap: .75rem; padding: 1.6rem; }
.project:hover { transform: translateY(-4px); }
.project.featured { grid-column: span 2; background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 9%, var(--surface)), var(--surface) 60%); border-color: color-mix(in srgb, var(--accent) 30%, var(--border)); }
.project.featured h3 { font-size: 1.4rem; }
.project p { flex: 1; }
.project-top { display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
.project-kind { font-family: var(--font-mono); font-size: .75rem; color: var(--muted); }
.link { display: inline-flex; align-items: center; gap: .35rem; font-size: .88rem; font-weight: 600; color: var(--accent); }
.link svg { transition: transform .2s; }
.link:hover svg { transform: translate(2px, -2px); }
.project.is-hidden, .pub.is-hidden { display: none; }
.project.pop, .pub.pop { animation: pop .35s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.98); } }

/* Skills */
.skills { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem 2.5rem; }
.skill-group h3 { font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: .8rem; padding-bottom: .6rem; border-bottom: 1px solid var(--border); }
.skill-group .tags li { font-size: .8rem; padding: .3rem .7rem; transition: border-color .2s, color .2s; }
.skill-group .tags li:hover { border-color: var(--accent); color: var(--text); }

/* Publications */
.pubs { display: grid; gap: .75rem; }
.pub {
  display: grid; grid-template-columns: 64px 1fr auto; gap: 1.25rem; align-items: start;
  padding: 1.2rem 1.4rem; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface);
  transition: border-color .2s, transform .25s var(--ease);
}
.pub:hover { border-color: var(--border-strong); transform: translateX(4px); }
.pub-year { font-family: var(--font-mono); font-size: .85rem; font-weight: 500; color: var(--accent); padding-top: .15rem; }
.pub-title { font-family: var(--font); font-size: 1rem; font-weight: 600; line-height: 1.45; margin-bottom: .3rem; }
.pub-authors { font-size: .88rem; color: var(--text-2); }
.pub-authors b { color: var(--text); font-weight: 700; text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 3px; }
.pub-venue { font-size: .85rem; color: var(--muted); margin-top: .15rem; }
.pub-actions { display: flex; gap: .4rem; }

/* Education */
.edu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.edu { padding: 1.75rem 2rem; }
.edu h3 { margin: 1rem 0 .2rem; font-size: 1.2rem; }
.edu-degree { font-weight: 600; color: var(--text) !important; }
.edu > p:not(.meta):not(.edu-degree):not(.award) { margin-top: .75rem; }
.award { display: inline-flex; align-items: center; gap: .45rem; margin-top: 1rem; font-size: .88rem !important; font-weight: 600; color: var(--accent) !important; }

/* Contact */
.contact { text-align: center; overflow: hidden; }
.contact::before { content: ''; position: absolute; inset: 0; background: radial-gradient(50% 60% at 50% 40%, var(--glow), transparent 70%); pointer-events: none; }
.contact .container { position: relative; max-width: 760px; }
.contact h2 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
.contact .section-sub { margin: 1rem auto 2rem; max-width: 520px; }
.contact-cta { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }
.contact-links { display: flex; justify-content: center; gap: 1.75rem; margin-top: 2rem; flex-wrap: wrap; }
.contact-links a { color: var(--text-2); font-weight: 500; border-bottom: 1px solid var(--border-strong); padding-bottom: 2px; transition: color .2s, border-color .2s; }
.contact-links a:hover { color: var(--accent); border-color: var(--accent); }

.footer { border-top: 1px solid var(--border); padding: 2rem 0; font-size: .86rem; color: var(--text-2); }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* ── Dialogs ── */
dialog { margin: auto; border: 0; padding: 0; background: transparent; color: var(--text); max-width: calc(100vw - 2rem); }
dialog::backdrop { background: rgba(5, 6, 10, .55); backdrop-filter: blur(4px); }
dialog[open] { animation: dlg .22s var(--ease); }
@keyframes dlg { from { opacity: 0; transform: translateY(10px) scale(.98); } }
.dialog-inner, .palette-inner { width: 640px; max-width: 100%; background: var(--surface); border: 1px solid var(--border-strong); border-radius: 18px; box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .5); overflow: hidden; }
.dialog-inner { padding: 1.25rem 1.4rem 1.4rem; }
.dialog-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.dialog-head h2 { font-family: var(--font-display); font-size: 1.15rem; }
.tabs { display: inline-flex; gap: 4px; padding: 4px; border-radius: 10px; background: var(--surface-2); margin-bottom: .9rem; }
.tab { height: 30px; padding: 0 .9rem; border-radius: 7px; font-size: .84rem; font-weight: 600; color: var(--muted); }
.tab.is-active { background: var(--surface); color: var(--text); box-shadow: 0 1px 3px rgba(0, 0, 0, .15); }
.cite-out { font-family: var(--font-mono); font-size: .8rem; line-height: 1.6; white-space: pre-wrap; word-break: break-word; max-height: 50vh; overflow: auto; padding: 1rem; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); color: var(--text-2); }
.dialog-foot { display: flex; justify-content: flex-end; margin-top: 1rem; }
.dialog-foot .btn { height: 40px; }

#palette { margin-top: 12vh; }
.palette-search { display: flex; align-items: center; gap: .75rem; padding: 0 1.1rem; border-bottom: 1px solid var(--border); }
.palette-search svg { width: 18px; height: 18px; color: var(--muted); }
.palette-search input { flex: 1; height: 56px; border: 0; outline: 0; background: none; color: var(--text); font: inherit; font-size: 1rem; }
#palette-list { max-height: 360px; overflow-y: auto; padding: .5rem; }
#palette-list li { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .7rem .85rem; border-radius: 10px; cursor: pointer; color: var(--text-2); font-size: .94rem; }
#palette-list li small { color: var(--muted); font-size: .75rem; font-family: var(--font-mono); }
#palette-list li[aria-selected='true'] { background: var(--surface-2); color: var(--text); box-shadow: inset 2px 0 0 var(--accent); }
#palette-list .empty { cursor: default; color: var(--muted); justify-content: center; }

.toast {
  position: fixed; left: 50%; bottom: 1.5rem; z-index: 400; transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  padding: .7rem 1.1rem; border-radius: 12px; font-size: .9rem; font-weight: 500;
  color: var(--accent-ink); background: var(--text); box-shadow: var(--shadow); transition: opacity .25s, transform .25s var(--ease);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ── Reveal ── */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.visible { opacity: 1; transform: none; }

/* ── Responsive ── */
@media (max-width: 960px) {
  .projects { grid-template-columns: 1fr 1fr; }
  .trust { grid-template-columns: 1fr; }
  .fit { grid-template-columns: 1fr; gap: 1.25rem; }
  .fit-cta { flex-direction: row; flex-wrap: wrap; }
  .skills { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .kbd-btn kbd { display: none; }
}
@media (max-width: 860px) {
  .menu-btn { display: inline-flex; }
  .nav nav { position: fixed; inset: var(--nav-h) 0 auto; margin: 0; padding: .75rem 1rem 1.25rem; background: var(--bg); border-bottom: 1px solid var(--border); transform: translateY(-120%); transition: transform .3s var(--ease); z-index: -1; }
  .nav.open nav { transform: none; }
  .nav.open { background: var(--bg); }
  .nav-actions { margin-left: auto; }
  .nav-links { flex-direction: column; }
  .nav-links a { padding: .8rem .75rem; font-size: 1rem; }
  .nav-links a.active::after { display: none; }
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-photo { order: -1; width: 220px; justify-self: start; }
  .photo-badge { left: auto; right: -18px; bottom: 16px; }
  .stats { grid-template-columns: 1fr 1fr; margin-top: 3rem; }
  .scroll-hint { display: none; }
}
@media (max-width: 640px) {
  .section { padding: 4.5rem 0; }
  .projects, .skills, .edu-grid, .fit-list { grid-template-columns: 1fr; }
  .facts > div { grid-template-columns: 1fr; gap: .2rem; }
  .project.featured { grid-column: auto; }
  .tl-card, .edu { padding: 1.4rem; }
  .tl-head { flex-direction: column-reverse; gap: .6rem; }
  .timeline { padding-left: 1.5rem; }
  .tl-dot { left: -1.5rem; }
  .pub { grid-template-columns: 1fr; gap: .5rem; }
  .copy-email span { display: none; }
  .brand-name { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}
@media print {
  .nav, .hero-canvas, .hero-glow, .scroll-hint, .filters, .pub-actions, .progress, .toast { display: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  .hero { min-height: auto; padding-top: 1rem; }
  .section { padding: 2rem 0; }
}