/* ============================================================
   Saad Naseem — personal profile (Claude-inspired refresh)
   ============================================================ */

:root {
  /* Warm, editorial palette */
  --bg: #0e0d10;
  --bg-soft: #141318;
  --bg-elev: #1a1820;
  --bg-card: #17161d;
  --bg-card-hi: #1f1d26;
  --border: #2a2732;
  --border-hi: #3a3644;

  --text: #f4efe6;
  --text-dim: #b7afa2;
  --text-mute: #7c7568;

  /* Signature accents — coral + indigo, à la Claude */
  --accent: #f08a6c;          /* warm coral */
  --accent-hi: #ffb48a;
  --accent-2: #7c7aff;        /* periwinkle */
  --accent-3: #d9c59b;        /* cream */
  --accent-grad: linear-gradient(135deg, #f08a6c 0%, #e06b8a 45%, #7c7aff 100%);
  --accent-grad-soft: linear-gradient(135deg, rgba(240,138,108,.18), rgba(124,122,255,.18));

  --shadow-sm: 0 2px 10px rgba(0,0,0,.25);
  --shadow: 0 14px 40px rgba(0,0,0,.45);
  --shadow-lg: 0 28px 70px rgba(0,0,0,.5);

  --radius: 18px;
  --radius-sm: 10px;
  --maxw: 1180px;
  --ease: cubic-bezier(.2,.7,.2,1);

  --font-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-serif: 'Fraunces', 'Playfair Display', Georgia, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

[data-theme="light"] {
  --bg: #faf7f2;
  --bg-soft: #f2eee6;
  --bg-elev: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hi: #fbf8f2;
  --border: #e7e1d5;
  --border-hi: #d6cfc0;

  --text: #1a1714;
  --text-dim: #4a443c;
  --text-mute: #8b8578;

  --accent: #d9613f;
  --accent-hi: #f3825a;
  --accent-2: #5553d1;
  --accent-3: #9a8045;
  --accent-grad: linear-gradient(135deg, #d9613f 0%, #cf4d72 45%, #5553d1 100%);
  --accent-grad-soft: linear-gradient(135deg, rgba(217,97,63,.14), rgba(85,83,209,.12));

  --shadow-sm: 0 2px 10px rgba(30,20,10,.06);
  --shadow: 0 14px 40px rgba(30,20,10,.09);
  --shadow-lg: 0 28px 70px rgba(30,20,10,.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

a { color: var(--accent); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--accent-hi); }
mark {
  background: linear-gradient(180deg, transparent 60%, color-mix(in oklab, var(--accent) 35%, transparent) 60%);
  color: inherit; padding: 0 2px;
}

h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
ul { padding-left: 1.1rem; }
em { font-style: italic; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; position: relative; z-index: 1; }

/* Visually hidden, available to assistive tech */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* Respect users who request reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .ambient__mesh { animation: none !important; }
  .type-caret { animation: none !important; opacity: 0; }
}

/* =================================================================
   AMBIENT BACKGROUND — aurora mesh + subtle grid + noise
   ================================================================= */
.ambient {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.ambient__mesh {
  position: absolute; inset: -20%;
  background:
    radial-gradient(600px 500px at 15% 20%, color-mix(in oklab, var(--accent) 30%, transparent) 0%, transparent 60%),
    radial-gradient(700px 600px at 85% 10%, color-mix(in oklab, var(--accent-2) 28%, transparent) 0%, transparent 60%),
    radial-gradient(500px 500px at 50% 95%, color-mix(in oklab, var(--accent-3) 18%, transparent) 0%, transparent 60%);
  filter: blur(20px);
  opacity: .55;
  animation: meshDrift 24s ease-in-out infinite alternate;
}
[data-theme="light"] .ambient__mesh { opacity: .42; }
@keyframes meshDrift {
  0% { transform: translate3d(0,0,0) scale(1); }
  100% { transform: translate3d(-2%, 2%, 0) scale(1.05); }
}
.ambient__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, color-mix(in oklab, var(--border) 60%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in oklab, var(--border) 60%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 0%, transparent 75%);
  opacity: .35;
}
.ambient__noise {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.35 0'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.5'/></svg>");
  opacity: .06; mix-blend-mode: overlay;
}

/* =================================================================
   NAV
   ================================================================= */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  background: color-mix(in oklab, var(--bg) 75%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.nav__brand {
  display: flex; align-items: center; gap: 12px;
  color: var(--text); font-weight: 600; letter-spacing: -0.01em;
}
.nav__brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center;
  background: var(--accent-grad); color: white;
  font-weight: 700; font-size: .82rem; letter-spacing: .02em;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.15), 0 4px 12px color-mix(in oklab, var(--accent) 40%, transparent);
}
.nav__brand-photo {
  flex: 0 0 40px;
  width: 40px; height: 40px;
  max-width: 40px; max-height: 40px;
  border-radius: 50%;
  object-fit: cover; object-position: center 30%;
  display: block;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 3px color-mix(in oklab, var(--accent) 55%, transparent),
              0 6px 16px color-mix(in oklab, var(--accent) 28%, transparent);
  transition: transform .25s var(--ease);
}
.nav__brand:hover .nav__brand-photo { transform: scale(1.06); }
.nav__brand-text { font-size: .98rem; }

.nav__links { display: flex; gap: 6px; }
.nav__links a {
  color: var(--text-dim); font-size: .9rem; font-weight: 500;
  padding: 8px 14px; border-radius: 8px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all .2s var(--ease);
}
.nav__links a:hover { color: var(--text); background: color-mix(in oklab, var(--text) 6%, transparent); }
.nav__num {
  font-family: var(--font-mono); font-size: .7rem; color: var(--accent);
  opacity: .8;
}
.nav__theme {
  background: transparent; border: 1px solid var(--border); color: var(--text);
  width: 40px; height: 40px; border-radius: 10px; cursor: pointer;
  display: grid; place-items: center; transition: all .2s var(--ease);
}
.nav__theme:hover { border-color: var(--accent); color: var(--accent); transform: rotate(-15deg); }

@media (max-width: 820px) {
  .nav__links { display: none; }
  .nav__brand-text { display: none; }
}

/* =================================================================
   HERO
   ================================================================= */
.hero {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  align-items: center;
  gap: 64px;
  padding: 80px 28px 96px;
  min-height: calc(100vh - 70px);
  position: relative;
}

.hero__badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px; border-radius: 999px;
  background: color-mix(in oklab, var(--bg-card) 85%, transparent);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  font-size: .82rem; color: var(--text-dim); font-weight: 500;
  margin-bottom: 28px;
}
.hero__pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: #3ddc85; box-shadow: 0 0 0 0 rgba(61,220,133,.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(61,220,133,.6); }
  70% { box-shadow: 0 0 0 10px rgba(61,220,133,0); }
  100% { box-shadow: 0 0 0 0 rgba(61,220,133,0); }
}

.hero__name {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(3rem, 7vw, 5.6rem);
  letter-spacing: -0.035em;
  line-height: .95;
  margin-bottom: 24px;
}
.hero__name em { font-style: italic; }
.hero__line { display: block; }
.hero__line--serif {
  font-style: italic; font-weight: 400;
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  padding-left: 8px;
}
.hero__comma { color: var(--accent); font-style: italic; }

.hero__role {
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 1.4vw, 1.1rem);
  color: var(--text-dim); font-weight: 500;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  background: color-mix(in oklab, var(--bg-card) 70%, transparent);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 28px;
  min-width: 280px;
}
.hero__role-arrow { color: var(--accent); }
.type-target { color: var(--text); }
.type-caret {
  display: inline-block; color: var(--accent);
  animation: blink 1s steps(2) infinite; margin-left: 1px;
}
@keyframes blink { 50% { opacity: 0; } }

.hero__lede {
  font-size: 1.12rem; color: var(--text-dim);
  max-width: 58ch; margin-bottom: 36px; line-height: 1.7;
}
.hero__lede a { color: var(--text); font-weight: 600; border-bottom: 1px dotted var(--accent); }
.hero__lede a:hover { color: var(--accent); }

.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }

.btn {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 12px;
  font-weight: 600; font-size: .95rem;
  transition: all .25s var(--ease); border: 1px solid transparent;
  cursor: pointer;
}
.btn--primary {
  background: var(--accent-grad); color: white;
  box-shadow: 0 10px 30px color-mix(in oklab, var(--accent) 35%, transparent);
}
.btn--primary:hover {
  color: white; transform: translateY(-2px);
  box-shadow: 0 16px 36px color-mix(in oklab, var(--accent) 45%, transparent);
}
.btn--ghost {
  color: var(--text);
  border-color: var(--border);
  background: color-mix(in oklab, var(--bg-card) 70%, transparent);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn--lg { padding: 16px 26px; font-size: 1rem; }
.btn__shine {
  position: absolute; top: 0; left: -120%;
  width: 50%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.35), transparent);
  transition: left .7s var(--ease);
}
.btn:hover .btn__shine { left: 120%; }

.hero__socials {
  list-style: none; padding: 0; margin: 0;
  display: flex; gap: 10px;
}
.hero__socials a {
  position: relative;
  width: 44px; height: 44px;
  display: inline-grid; place-items: center;
  border: 1px solid var(--border); border-radius: 12px;
  color: var(--text-dim);
  background: color-mix(in oklab, var(--bg-card) 55%, transparent);
  backdrop-filter: blur(6px);
  transition: all .2s var(--ease);
}
.hero__socials a::after {
  content: attr(data-label);
  position: absolute; bottom: calc(100% + 8px); left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--bg-card); color: var(--text);
  padding: 4px 8px; border-radius: 6px;
  font-size: .72rem; font-weight: 500;
  opacity: 0; pointer-events: none;
  transition: opacity .2s var(--ease), transform .2s var(--ease);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.hero__socials a:hover::after { opacity: 1; transform: translateX(-50%) translateY(0); }
.hero__socials a:hover {
  color: white; border-color: transparent;
  background: var(--accent-grad);
  transform: translateY(-3px);
}
.icon-svg { width: 1em; height: 1em; fill: currentColor; }

/* Hero card (right side) */
.hero__card {
  position: relative;
  display: flex; flex-direction: column; gap: 24px;
  padding: 32px;
  background: color-mix(in oklab, var(--bg-card) 75%, transparent);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero__card::before {
  content: ""; position: absolute; inset: 0;
  background: var(--accent-grad-soft);
  opacity: .6; z-index: -1;
}
.hero__card::after {
  content: ""; position: absolute;
  top: -40%; right: -30%;
  width: 300px; height: 300px; border-radius: 50%;
  background: var(--accent-grad);
  filter: blur(80px); opacity: .25; z-index: -1;
}

.hero__avatar {
  position: relative;
  width: 120px; height: 120px; align-self: flex-start;
  flex: 0 0 120px;
  overflow: visible;
}
.hero__avatar-mark {
  position: absolute; inset: 12px;
  display: grid; place-items: center;
  background: var(--accent-grad); color: white;
  border-radius: 50%;
  font-family: var(--font-serif); font-size: 2.8rem; font-weight: 500;
  letter-spacing: -0.02em;
  box-shadow: inset 0 0 0 3px rgba(255,255,255,.15), 0 12px 30px color-mix(in oklab, var(--accent) 40%, transparent);
}
.hero__avatar-photo {
  position: absolute; top: 10px; left: 10px;
  width: 100px; height: 100px;
  max-width: 100px; max-height: 100px;
  object-fit: cover; object-position: center 30%;
  border-radius: 50%;
  display: block;
  box-shadow: inset 0 0 0 3px rgba(255,255,255,.08),
              0 12px 30px color-mix(in oklab, var(--accent) 40%, transparent);
}
.hero__avatar-ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 1px dashed var(--border-hi);
  animation: spin 24s linear infinite;
}
.hero__avatar-ring::before {
  content: ""; position: absolute; top: -3px; left: 50%;
  transform: translateX(-50%);
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 10px var(--accent);
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: 999px;
  background: color-mix(in oklab, var(--bg-soft) 80%, transparent);
  border: 1px solid var(--border);
  font-size: .82rem; color: var(--text-dim); font-weight: 500;
}
.chip i { color: var(--accent); }
.chip--b i { color: var(--accent-2); }
.chip--c i { color: var(--accent-3); }
.chip--d i { color: var(--accent); }

.hero__stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
  margin: 4px 0 0; padding: 20px 0 0;
  border-top: 1px solid var(--border);
}
.hero__stats > div { text-align: left; }
.hero__stats dt {
  font-family: var(--font-mono);
  font-size: .7rem; color: var(--text-mute);
  text-transform: uppercase; letter-spacing: .06em;
  margin-bottom: 4px;
}
.hero__stats dd {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.9rem; font-weight: 500;
  letter-spacing: -0.02em;
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__stats dd span { font-size: 1.1rem; vertical-align: super; opacity: .7; }

.hero__scroll {
  position: absolute; bottom: 28px; left: 28px;
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: .72rem;
  color: var(--text-mute); text-transform: uppercase; letter-spacing: .15em;
}
.hero__scroll-line {
  width: 48px; height: 1px; background: var(--border);
  position: relative; overflow: hidden;
}
.hero__scroll-line::after {
  content: ""; position: absolute; inset: 0;
  background: var(--accent); transform: translateX(-100%);
  animation: scrollHint 2.4s ease-in-out infinite;
}
@keyframes scrollHint {
  0% { transform: translateX(-100%); }
  60%, 100% { transform: translateX(100%); }
}

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding: 56px 28px 72px; min-height: auto; gap: 40px; }
  .hero__scroll { display: none; }
}

/* =================================================================
   SECTIONS
   ================================================================= */
.section { padding: 92px 28px; position: relative; }
.section + .section { border-top: 1px solid color-mix(in oklab, var(--border) 50%, transparent); }

.section__head {
  display: flex; align-items: baseline; gap: 16px; margin-bottom: 48px;
  flex-wrap: wrap;
}
.section__num {
  font-family: var(--font-mono); color: var(--accent);
  font-size: .85rem; font-weight: 500;
  padding: 2px 8px; border-radius: 6px;
  background: color-mix(in oklab, var(--accent) 12%, transparent);
}
.section__title {
  font-family: var(--font-serif); font-weight: 500;
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  letter-spacing: -0.025em;
}
.section__title em { color: var(--accent); font-style: normal; }
.section__title-and {
  font-style: italic; font-weight: 400; color: var(--accent-2);
  padding: 0 .1em;
}
.section__rule {
  flex: 1; height: 1px; min-width: 60px;
  background: linear-gradient(to right, var(--border), transparent);
  align-self: center; margin-top: 6px;
}
.section__link {
  margin-left: auto; font-size: .9rem; color: var(--text-dim);
  display: inline-flex; align-items: center; gap: 6px;
}
.section__link:hover { color: var(--accent); }

/* =================================================================
   ABOUT
   ================================================================= */
.about { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; align-items: start; }
.about__lede {
  font-family: var(--font-serif); font-weight: 400; font-style: italic;
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
  line-height: 1.35; color: var(--text);
  letter-spacing: -0.015em; margin-bottom: 28px;
}
.about__body { color: var(--text-dim); font-size: 1.02rem; }
.about__body p { margin-bottom: 1.1em; }
.about__body strong { color: var(--text); font-weight: 600; }

.about__facts {
  background: color-mix(in oklab, var(--bg-card) 80%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 24px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
}
.fact {
  display: flex; flex-direction: column; padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.fact:last-child { border-bottom: none; }
.fact__k {
  font-family: var(--font-mono);
  font-size: .7rem; color: var(--text-mute);
  text-transform: uppercase; letter-spacing: .08em;
}
.fact__v { font-weight: 600; font-size: .98rem; margin-top: 2px; color: var(--text); }

@media (max-width: 820px) { .about { grid-template-columns: 1fr; gap: 24px; } }

/* =================================================================
   SKILLS
   ================================================================= */
.skills { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.skill {
  position: relative; overflow: hidden;
  background: color-mix(in oklab, var(--bg-card) 85%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all .3s var(--ease);
  backdrop-filter: blur(8px);
}
.skill__deco {
  position: absolute; top: -40px; right: -40px;
  width: 140px; height: 140px; border-radius: 50%;
  background: var(--accent-grad); opacity: 0; filter: blur(40px);
  transition: opacity .4s var(--ease);
}
.skill:hover {
  transform: translateY(-4px);
  border-color: var(--border-hi);
  box-shadow: var(--shadow);
}
.skill:hover .skill__deco { opacity: .25; }
.skill__icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--accent-grad-soft);
  color: var(--accent); font-size: 1.15rem;
  margin-bottom: 18px;
  border: 1px solid color-mix(in oklab, var(--accent) 20%, transparent);
}
.skill h3 {
  font-family: var(--font-serif); font-weight: 500;
  font-size: 1.2rem; margin-bottom: 10px; color: var(--text);
}
.skill p { color: var(--text-dim); font-size: .94rem; margin: 0; line-height: 1.6; }

@media (max-width: 900px) { .skills { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .skills { grid-template-columns: 1fr; } }

/* =================================================================
   PROJECTS
   ================================================================= */
.projects__lede {
  color: var(--text-dim);
  font-size: 1.02rem;
  line-height: 1.75;
  max-width: 72ch;
  margin: 0 0 28px;
}
.projects__lede a { color: var(--accent); }

.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

.project {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  background: color-mix(in oklab, var(--bg-card) 85%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all .3s var(--ease);
  backdrop-filter: blur(8px);
}
.project__deco {
  position: absolute; top: -40px; right: -40px;
  width: 160px; height: 160px; border-radius: 50%;
  background: var(--accent-grad); opacity: 0; filter: blur(46px);
  transition: opacity .4s var(--ease);
  pointer-events: none;
}
.project:hover {
  transform: translateY(-4px);
  border-color: var(--border-hi);
  box-shadow: var(--shadow);
}
.project:hover .project__deco { opacity: .22; }

.project__top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 18px;
}
.project__icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--accent-grad-soft);
  color: var(--accent); font-size: 1.15rem;
  border: 1px solid color-mix(in oklab, var(--accent) 20%, transparent);
  flex: none;
}
.project__flag {
  font-family: var(--font-mono);
  font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent);
  background: color-mix(in oklab, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in oklab, var(--accent) 26%, transparent);
  border-radius: 999px;
  padding: 5px 11px;
  white-space: nowrap;
}
.project__flag--alt {
  color: var(--accent-2);
  background: color-mix(in oklab, var(--accent-2) 12%, transparent);
  border-color: color-mix(in oklab, var(--accent-2) 26%, transparent);
}

.project__title {
  font-family: var(--font-mono);
  font-weight: 500; font-size: 1.05rem;
  color: var(--text);
  margin: 0 0 6px;
  word-break: break-word;
}
.project__tagline {
  font-family: var(--font-serif);
  font-size: 1.02rem; line-height: 1.5;
  color: var(--accent-3);
  margin: 0 0 12px;
}
.project__body {
  color: var(--text-dim);
  font-size: .94rem; line-height: 1.65;
  margin: 0 0 18px;
}
.project__body a { color: var(--accent); }

.project__tags {
  list-style: none; padding: 0; margin: 0 0 20px;
  display: flex; flex-wrap: wrap; gap: 8px;
}
.project__tags li {
  font-family: var(--font-mono);
  font-size: .72rem; color: var(--text-mute);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px;
  background: color-mix(in oklab, var(--bg-elev) 55%, transparent);
}

.project__link {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: .82rem;
  color: var(--text); text-decoration: none;
  transition: color .25s var(--ease);
}
.project__link:hover { color: var(--accent); }
.project__go { font-size: .68rem; color: var(--text-mute); transition: transform .25s var(--ease); }
.project__link:hover .project__go { transform: translate(2px, -2px); color: var(--accent); }

/* Built-with strip */
.stack { margin-top: 34px; }
.stack__title {
  font-family: var(--font-serif); font-weight: 500;
  font-size: 1.05rem; color: var(--text); margin: 0 0 14px;
}
.stack__title em { color: var(--accent); font-style: normal; }
.stack__tags {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 10px;
}
.stack__tags li {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .85rem; color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 14px;
  background: color-mix(in oklab, var(--bg-card) 70%, transparent);
  transition: all .25s var(--ease);
}
.stack__tags li:hover { border-color: var(--border-hi); color: var(--text); }
.stack__tags i { color: var(--accent); font-size: .85rem; }

@media (max-width: 860px) { .projects { grid-template-columns: 1fr; } }
@media (max-width: 560px) {
  .project { padding: 22px; }
  .project__top { flex-wrap: wrap; }
}

/* =================================================================
   TIMELINE
   ================================================================= */
.timeline { list-style: none; padding: 0; margin: 0; position: relative; }
.timeline::before {
  content: ""; position: absolute;
  left: 160px; top: 12px; bottom: 12px; width: 2px;
  background: linear-gradient(to bottom, transparent, var(--border) 10%, var(--border) 90%, transparent);
}
.timeline__item {
  display: grid; grid-template-columns: 160px 1fr; gap: 40px;
  padding: 14px 0 36px;
  position: relative;
}
.timeline__item::before {
  content: ""; position: absolute; left: 154px; top: 22px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 5px color-mix(in oklab, var(--accent) 14%, transparent);
}
.timeline__date {
  display: flex; flex-direction: column; gap: 8px;
  padding-top: 18px;
}
.timeline__date-range {
  font-family: var(--font-mono);
  font-size: .82rem; color: var(--text-mute);
}
.timeline__date-tag {
  display: inline-block;
  padding: 3px 10px; border-radius: 999px;
  background: color-mix(in oklab, var(--accent) 16%, transparent);
  color: var(--accent);
  font-size: .7rem; font-weight: 600;
  width: fit-content;
  text-transform: uppercase; letter-spacing: .06em;
}
.timeline__body { padding-left: 28px; }
.timeline__body h3 {
  font-family: var(--font-serif); font-weight: 500;
  font-size: 1.35rem; margin-bottom: 6px;
}
.timeline__org {
  color: var(--accent); font-size: .93rem; margin-bottom: 12px; font-weight: 500;
  font-family: var(--font-mono);
}
.timeline__body ul { color: var(--text-dim); font-size: .97rem; margin: 0; line-height: 1.65; }
.timeline__body li { margin-bottom: 5px; }
.timeline__body li::marker { color: var(--accent); }

@media (max-width: 720px) {
  .timeline::before { left: 6px; }
  .timeline__item { grid-template-columns: 1fr; gap: 8px; padding-left: 30px; }
  .timeline__item::before { left: 0; top: 10px; }
  .timeline__body { padding-left: 0; }
  .timeline__date { flex-direction: row; align-items: center; padding-top: 0; }
}

/* =================================================================
   PUBLICATIONS
   ================================================================= */
.pubs { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.pub {
  display: grid; grid-template-columns: 80px 1fr auto; gap: 24px; align-items: start;
  background: color-mix(in oklab, var(--bg-card) 80%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 26px;
  transition: all .25s var(--ease);
  backdrop-filter: blur(6px);
}
.pub:hover {
  transform: translateX(4px);
  border-color: var(--border-hi);
  box-shadow: var(--shadow-sm);
}
.pub__year {
  font-family: var(--font-serif); font-weight: 500;
  font-size: 1.6rem; letter-spacing: -0.02em;
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1;
}
.pub__body { min-width: 0; }
.pub h3 {
  font-family: var(--font-serif); font-weight: 500;
  font-size: 1.08rem; margin-bottom: 6px; line-height: 1.4;
}
.pub__authors { color: var(--text-dim); font-size: .88rem; margin-bottom: 4px; line-height: 1.5; }
.pub__authors strong { color: var(--text); }
.pub__venue { color: var(--text-mute); font-size: .85rem; margin: 0; font-style: italic; }
.pub__tag {
  padding: 5px 10px; border-radius: 6px;
  background: color-mix(in oklab, var(--accent-2) 14%, transparent);
  color: var(--accent-2);
  font-family: var(--font-mono); font-size: .72rem; font-weight: 500;
  white-space: nowrap;
}

@media (max-width: 720px) {
  .pub { grid-template-columns: 1fr; gap: 8px; }
  .pub__tag { justify-self: start; }
}

/* =================================================================
   AWARDS
   ================================================================= */
.awards {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
}
.awards li {
  background: color-mix(in oklab, var(--bg-card) 80%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  display: flex; align-items: center; gap: 16px;
  color: var(--text-dim); font-size: .95rem;
  transition: all .2s var(--ease);
  backdrop-filter: blur(6px);
}
.awards li:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.awards li > i {
  width: 40px; height: 40px; flex-shrink: 0;
  border-radius: 10px; display: grid; place-items: center;
  background: var(--accent-grad-soft);
  color: var(--accent); font-size: 1rem;
  border: 1px solid color-mix(in oklab, var(--accent) 20%, transparent);
}
.awards li > div { display: flex; flex-direction: column; }
.awards li strong { color: var(--text); font-weight: 600; }
.awards li span {
  font-family: var(--font-mono); font-size: .78rem;
  color: var(--text-mute); margin-top: 2px;
}
@media (max-width: 720px) { .awards { grid-template-columns: 1fr; } }

/* =================================================================
   HOBBIES
   ================================================================= */
.hobbies__lede {
  font-family: var(--font-serif); font-weight: 400; font-style: italic;
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
  line-height: 1.4; color: var(--text);
  letter-spacing: -0.015em; max-width: 62ch;
  margin-bottom: 36px;
}
.hobbies__lede em { color: var(--accent); font-style: italic; }
.hobbies__grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px;
}
.hobby {
  position: relative; overflow: hidden;
  background: color-mix(in oklab, var(--bg-card) 80%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 20px;
  text-align: left;
  transition: all .3s var(--ease);
  backdrop-filter: blur(6px);
}
.hobby:hover {
  transform: translateY(-4px); border-color: var(--border-hi);
  box-shadow: var(--shadow);
}
.hobby::before {
  content: ""; position: absolute; top: -20px; right: -20px;
  width: 80px; height: 80px; border-radius: 50%;
  background: var(--accent-grad); opacity: 0; filter: blur(24px);
  transition: opacity .4s var(--ease);
}
.hobby:hover::before { opacity: .35; }
.hobby > i {
  display: grid; place-items: center;
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--accent-grad-soft);
  color: var(--accent); font-size: 1.1rem;
  border: 1px solid color-mix(in oklab, var(--accent) 20%, transparent);
  margin-bottom: 14px;
}
.hobby h3 {
  font-family: var(--font-serif); font-weight: 500;
  font-size: 1.1rem; margin-bottom: 6px; color: var(--text);
}
.hobby p { color: var(--text-dim); font-size: .88rem; margin: 0; line-height: 1.5; }

@media (max-width: 1000px) { .hobbies__grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .hobbies__grid { grid-template-columns: repeat(2, 1fr); } }

/* =================================================================
   READING RECOMMENDATIONS
   ================================================================= */
.reading { display: flex; flex-direction: column; gap: 40px; }
.reading__group-title {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-serif); font-weight: 500;
  font-size: 1.4rem; letter-spacing: -0.015em;
  margin: 0 0 18px;
}
.reading__group-dot {
  display: inline-block; width: 10px; height: 10px; border-radius: 50%;
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 14%, transparent);
}
.books { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.book {
  display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center;
  background: color-mix(in oklab, var(--bg-card) 80%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: all .25s var(--ease);
  backdrop-filter: blur(6px);
  position: relative; overflow: hidden;
}
.book::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--accent-grad);
  transform: scaleY(.2); transform-origin: center;
  transition: transform .3s var(--ease);
}
.book:hover { transform: translateX(4px); border-color: var(--border-hi); box-shadow: var(--shadow-sm); }
.book:hover::before { transform: scaleY(1); }
.book h4 {
  font-family: var(--font-serif); font-weight: 500;
  font-size: 1.15rem; margin-bottom: 4px; color: var(--text);
  letter-spacing: -0.01em;
}
.book__author {
  font-family: var(--font-mono);
  color: var(--accent); font-size: .82rem;
  margin-bottom: 6px;
}
.book__note {
  color: var(--text-dim); font-size: .92rem; margin: 0; line-height: 1.55;
  max-width: 72ch;
}
.book__link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: 10px;
  background: color-mix(in oklab, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in oklab, var(--accent) 30%, transparent);
  color: var(--accent); font-weight: 600; font-size: .85rem;
  white-space: nowrap;
  transition: all .2s var(--ease);
}
.book__link:hover {
  background: var(--accent-grad); color: white;
  border-color: transparent; transform: translate(2px, -2px);
}

@media (max-width: 640px) {
  .book { grid-template-columns: 1fr; gap: 12px; }
  .book__link { justify-self: start; }
}

/* =================================================================
   GITHUB (live contribution heatmap + stats cards)
   ================================================================= */
.gh { display: flex; flex-direction: column; gap: 28px; align-items: flex-start; }
.gh__lede {
  font-size: 1.05rem; color: var(--text-dim); max-width: 70ch;
  margin: 0;
}
.gh__lede a { color: var(--text); border-bottom: 1px dotted var(--accent); }
.gh__lede a:hover { color: var(--accent); }

.gh__chart {
  margin: 0; width: 100%;
  padding: 26px 28px 20px;
  background: color-mix(in oklab, var(--bg-card) 80%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.gh__chart:hover { border-color: var(--border-hi); transform: translateY(-2px); }
.gh__chart img {
  display: block; width: 100%; height: auto;
  /* Make the SVG's white-ish empty cells legible on dark bg */
  filter: drop-shadow(0 1px 0 rgba(0,0,0,.2));
}
[data-theme="dark"] .gh__chart img {
  /* The SVG ships with light cells for empty days. On dark theme,
     invert lightness slightly via blend mode for better contrast. */
  mix-blend-mode: normal;
}
.gh__chart-fallback {
  display: none;
  font-size: .92rem; color: var(--text-dim);
  margin-top: 14px;
}
.gh__chart-fallback a { color: var(--accent); font-weight: 600; }
.gh__chart--fallback img { display: none; }
.gh__chart--fallback .gh__chart-fallback { display: block; }

.gh__cards {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px;
  width: 100%;
}
.gh__card {
  width: 100%; height: auto; display: block;
  background: color-mix(in oklab, var(--bg-card) 80%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  box-shadow: var(--shadow-sm);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.gh__card:hover { border-color: var(--border-hi); transform: translateY(-2px); }

@media (max-width: 780px) {
  .gh__cards { grid-template-columns: 1fr; }
}

/* =================================================================
   CONTACT
   ================================================================= */
.contact-section { padding-bottom: 120px; }
.contact {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px;
  align-items: start;
}
.contact__intro { position: sticky; top: 100px; }
.contact__lede {
  font-family: var(--font-serif); font-weight: 400; font-style: italic;
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  line-height: 1.35; color: var(--text-dim);
  margin-bottom: 28px;
}
.contact__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
}
.contact__card {
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: 16px;
  background: color-mix(in oklab, var(--bg-card) 80%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  color: var(--text); transition: all .25s var(--ease);
  backdrop-filter: blur(6px);
}
.contact__card:hover {
  transform: translateY(-3px); border-color: var(--accent);
  color: var(--text); box-shadow: var(--shadow);
}
.contact__card > i:first-child, .contact__icon-svg {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--accent-grad); color: white;
  font-size: 1.05rem; flex-shrink: 0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.1);
}
.contact__icon-svg { padding: 12px; box-sizing: border-box; }
.contact__label {
  display: block; font-family: var(--font-mono);
  font-size: .7rem; color: var(--text-mute);
  text-transform: uppercase; letter-spacing: .08em;
  margin-bottom: 2px;
}
.contact__value { font-weight: 600; font-size: .98rem; }
.contact__go {
  font-size: .82rem; color: var(--text-mute);
  transition: all .2s var(--ease);
}
.contact__card:hover .contact__go { color: var(--accent); transform: translate(2px, -2px); }

@media (max-width: 900px) {
  .contact { grid-template-columns: 1fr; gap: 28px; }
  .contact__intro { position: static; }
  .contact__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) { .contact__grid { grid-template-columns: 1fr; } }

/* =================================================================
   FOOTER
   ================================================================= */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 0; margin-top: 40px;
  color: var(--text-mute); font-size: .88rem;
  position: relative; z-index: 1;
}
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.footer__dim { color: var(--text-mute); }
.footer__up {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  background: color-mix(in oklab, var(--bg-card) 80%, transparent);
  border: 1px solid var(--border); color: var(--text-dim);
  transition: all .2s var(--ease);
}
.footer__up:hover { background: var(--accent-grad); color: white; border-color: transparent; transform: translateY(-3px); }

/* =================================================================
   REVEAL ON SCROLL
   ================================================================= */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .ambient__mesh { animation: none; }
}

/* Selection */
::selection { background: color-mix(in oklab, var(--accent) 40%, transparent); color: var(--text); }