/* =========================================================
   Tokens: light is the default, dark is opt-in via the toggle
   ========================================================= */
:root {
  --bg: #f7f5ff;
  --bg-alt: #efecff;
  --surface: #ffffff;
  --text: #1b1a3a;
  --muted: #5c5f80;
  --border: #e6e2f7;
  --accent: #5b4cf0;
  --pink: #ec4899;
  --amber: #f59e0b;
  --teal: #14b8a6;
  --sky: #0ea5e9;
  --green: #16a34a;
  --grad: linear-gradient(120deg, #6366f1 0%, #a855f7 45%, #ec4899 100%);
  --shadow: 0 1px 2px rgba(40, 30, 110, .05), 0 10px 30px rgba(40, 30, 110, .08);
  --shadow-lg: 0 20px 50px rgba(60, 40, 160, .16);
  --blob-opacity: .45;
  --radius: 20px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Plus Jakarta Sans", var(--font);
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0f1130;
  --bg-alt: #141743;
  --surface: #1a1d4a;
  --text: #f0f0ff;
  --muted: #b0b3d6;
  --border: #2d3170;
  --accent: #8b80ff;
  --pink: #f472b6;
  --amber: #fbbf24;
  --teal: #2dd4bf;
  --sky: #38bdf8;
  --green: #4ade80;
  --shadow: 0 1px 2px rgba(0, 0, 0, .2), 0 10px 30px rgba(0, 0, 0, .25);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, .35);
  --blob-opacity: .28;
  color-scheme: dark;
}

/* =========================================================
   Base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: var(--display); line-height: 1.15; margin: 0; letter-spacing: -0.025em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; position: relative; }
@media (max-width: 600px) { .wrap { padding: 0 16px; } }

.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
.muted { color: var(--muted); }
.eyebrow {
  display: inline-block;
  font-family: var(--mono); font-size: 12.5px; font-weight: 500;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  padding: 5px 12px; border-radius: 999px;
  margin-bottom: 14px;
}
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Colourful blurred blobs behind hero areas */
.blobs { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.blobs span { position: absolute; border-radius: 50%; filter: blur(70px); opacity: var(--blob-opacity); }
.blobs .b1 { width: 520px; height: 520px; background: #818cf8; top: -160px; left: -120px; }
.blobs .b2 { width: 460px; height: 460px; background: #f472b6; top: -80px; right: -120px; }
.blobs .b3 { width: 380px; height: 380px; background: #fbbf24; bottom: -160px; left: 40%; opacity: calc(var(--blob-opacity) * .7); }
@media (prefers-reduced-motion: no-preference) {
  .blobs .b1 { animation: drift 18s ease-in-out infinite alternate; }
  .blobs .b2 { animation: drift 22s ease-in-out infinite alternate-reverse; }
  .blobs .b3 { animation: drift 26s ease-in-out infinite alternate; }
}
@keyframes drift { to { transform: translate(60px, 40px) scale(1.12); } }

/* =========================================================
   Nav
   ========================================================= */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo {
  font-family: var(--display); font-weight: 800; font-size: 18px; letter-spacing: -0.02em;
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: var(--grad); color: #fff; box-shadow: 0 6px 18px rgba(124, 58, 237, .35);
}
.logo span { display: none; }
.nav-links { display: flex; gap: 6px; }
.nav-links a { color: var(--muted); font-size: 15px; font-weight: 500; padding: 8px 14px; border-radius: 10px; transition: color .2s, background .2s; }
.nav-links a:hover { color: var(--text); background: color-mix(in srgb, var(--accent) 9%, transparent); }
.nav-actions { display: flex; gap: 8px; }
.icon-btn {
  display: grid; place-items: center; width: 40px; height: 40px;
  border: 1px solid var(--border); border-radius: 12px;
  background: var(--surface); color: var(--text); cursor: pointer;
  transition: border-color .2s, transform .2s;
}
.icon-btn:hover { border-color: var(--accent); transform: rotate(-8deg); }
.i-sun { display: none; }
:root[data-theme="dark"] .i-sun { display: block; }
:root[data-theme="dark"] .i-moon { display: none; }
.menu-btn { display: none; }
.menu-btn:hover { transform: none; }
@media (max-width: 720px) {
  .menu-btn { display: grid; }
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 2px;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: 8px 12px 16px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px; font-size: 16px; }
}

/* =========================================================
   Hero
   ========================================================= */
.hero { position: relative; padding: 88px 0 72px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.3fr .9fr; gap: 56px; align-items: center; z-index: 1; }
.status {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 500; color: var(--text);
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  border: 1px solid var(--border); box-shadow: var(--shadow);
  padding: 7px 16px; border-radius: 999px; margin-bottom: 26px;
}
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px color-mix(in srgb, var(--green) 22%, transparent); }
@media (prefers-reduced-motion: no-preference) { .dot { animation: pulse 2s ease-in-out infinite; } }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--green) 8%, transparent); } }
.hero h1 { font-size: clamp(38px, 5.6vw, 64px); font-weight: 800; }
.lead { font-size: clamp(17px, 1.9vw, 19px); color: var(--muted); max-width: 640px; margin-top: 24px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 50px; padding: 0 26px; border-radius: 14px;
  font-weight: 600; font-size: 15px; transition: transform .15s, box-shadow .2s, border-color .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 26px rgba(139, 92, 246, .38); }
.btn-primary:hover { box-shadow: 0 14px 32px rgba(139, 92, 246, .5); }
.btn.copied { background: #16a34a; color: #fff; box-shadow: 0 10px 26px rgba(22, 163, 74, .35); }
.btn-ghost { border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow); }
.btn-ghost:hover { border-color: var(--accent); }
.btn-light { background: #fff; color: #3b2bb5; box-shadow: 0 10px 26px rgba(0, 0, 0, .18); font-size: clamp(14px, 2.6vw, 17px); height: auto; padding: 14px 26px; word-break: break-all; }
.socials { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.socials a {
  display: inline-block; font-size: 14px; font-weight: 600; color: var(--muted);
  padding: 6px 14px; border-radius: 999px; border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  transition: color .2s, border-color .2s;
}
.socials a:hover { color: var(--accent); border-color: var(--accent); }
.socials.center { justify-content: center; }
.socials.on-dark a { color: #fff; border-color: rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .1); }
.socials.on-dark a:hover { background: rgba(255, 255, 255, .2); border-color: #fff; color: #fff; }

/* Photo */
.hero-photo { position: relative; justify-self: center; width: min(360px, 100%); }
.photo-ring {
  position: relative; aspect-ratio: 1; padding: 8px;
  background: conic-gradient(from 200deg, #6366f1, #a855f7, #ec4899, #f59e0b, #14b8a6, #6366f1);
  border-radius: 42% 58% 55% 45% / 47% 42% 58% 53%;
  box-shadow: var(--shadow-lg);
}
.photo-ring img {
  display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%;
  border-radius: inherit; background: var(--surface);
  border: 6px solid var(--surface);
}
@media (prefers-reduced-motion: no-preference) {
  .photo-ring { animation: morph 12s ease-in-out infinite alternate; }
  .float { animation: bob 5s ease-in-out infinite; }
  .float.f2 { animation-delay: -1.6s; }
  .float.f3 { animation-delay: -3.2s; }
}
@keyframes morph { to { border-radius: 55% 45% 42% 58% / 52% 58% 42% 48%; } }
@keyframes bob { 50% { transform: translateY(-8px); } }
.float {
  position: absolute; display: flex; flex-direction: column; line-height: 1.2;
  background: var(--surface); border: 1px solid var(--border);
  padding: 10px 14px; border-radius: 14px; box-shadow: var(--shadow-lg);
  white-space: nowrap;
}
.float strong { font-family: var(--display); font-size: 17px; font-weight: 800; }
.float span { font-size: 12px; color: var(--muted); }
.float.f1 { top: 8%; left: -12%; }
.float.f1 strong { color: var(--accent); }
.float.f2 { top: 44%; right: -14%; }
.float.f2 strong { color: var(--pink); }
.float.f3 { bottom: 2%; left: -4%; }
.float.f3 strong { color: var(--teal); }

@media (max-width: 900px) {
  .hero { padding: 48px 0 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-photo { order: -1; width: min(280px, 72vw); }
  .float.f1 { left: -18%; }
  .float.f2 { right: -20%; }
  .float.f3 { left: -10%; }
}
@media (max-width: 420px) {
  .float { padding: 7px 10px; }
  .float strong { font-size: 14px; }
  .float span { font-size: 11px; }
  .float.f1 { left: -14%; }
  .float.f2 { right: -16%; }
}

/* =========================================================
   Stats
   ========================================================= */
.stats-section { padding: 8px 0 40px; position: relative; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat {
  --c: var(--accent);
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, color-mix(in srgb, var(--c) 13%, var(--surface)), var(--surface) 70%);
  border: 1px solid color-mix(in srgb, var(--c) 22%, var(--border));
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
}
.stat::after {
  content: ""; position: absolute; width: 90px; height: 90px; border-radius: 50%;
  right: -30px; top: -30px; background: color-mix(in srgb, var(--c) 18%, transparent);
}
.stat:nth-child(4n+2) { --c: var(--pink); }
.stat:nth-child(4n+3) { --c: var(--amber); }
.stat:nth-child(4n+4) { --c: var(--teal); }
.stat strong { display: block; font-family: var(--display); font-size: 34px; font-weight: 800; letter-spacing: -0.03em; color: var(--c); }
.stat span { display: block; color: var(--muted); font-size: 14px; margin-top: 4px; position: relative; }
@media (max-width: 860px) { .stats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px) { .stat { padding: 18px; } .stat strong { font-size: 26px; } }

/* =========================================================
   Sections
   ========================================================= */
.section { padding: 96px 0; position: relative; }
.section.alt { background: linear-gradient(180deg, var(--bg-alt), var(--bg)); }
.section-head { margin-bottom: 44px; }
.section-head h2 { font-size: clamp(30px, 4vw, 44px); font-weight: 800; }
.section-sub { color: var(--muted); max-width: 640px; margin-top: 14px; font-size: 17px; }
@media (max-width: 600px) { .section { padding: 72px 0; } .section-head { margin-bottom: 32px; } }

/* =========================================================
   Project cards
   ========================================================= */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 22px; }
@media (max-width: 380px) { .grid { grid-template-columns: 1fr; } }

.card, .project { --card-accent: var(--accent); --card-ink: var(--card-accent); }
:root[data-theme="dark"] .card, :root[data-theme="dark"] .project { --card-ink: color-mix(in srgb, var(--card-accent) 55%, #fff); }

.card {
  position: relative; display: flex; flex-direction: column; overflow: hidden;
  color: inherit;
  background: linear-gradient(170deg, color-mix(in srgb, var(--card-accent) 9%, var(--surface)) 0%, var(--surface) 55%);
  border: 1px solid color-mix(in srgb, var(--card-accent) 18%, var(--border));
  border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px;
  background: linear-gradient(90deg, var(--card-accent), color-mix(in srgb, var(--card-accent) 55%, #fff));
}
.card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--card-accent) 50%, var(--border));
  box-shadow: 0 22px 44px color-mix(in srgb, var(--card-accent) 22%, transparent);
}
.card-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; row-gap: 10px; }
.card-id { display: flex; align-items: center; gap: 12px; }
.card-icon {
  width: 48px; height: 48px; border-radius: 14px; object-fit: cover; flex: none;
  box-shadow: 0 6px 16px color-mix(in srgb, var(--card-accent) 30%, transparent);
}
.mono {
  display: grid; place-items: center;
  font-family: var(--display); font-weight: 800; color: #fff; font-size: 15px; letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--card-accent), color-mix(in srgb, var(--card-accent) 65%, #fff));
}
.tag {
  white-space: nowrap;
  font-family: var(--mono); font-size: 12px; font-weight: 500;
  color: var(--card-ink, var(--accent));
  background: color-mix(in srgb, var(--card-accent, var(--accent)) 13%, transparent);
  padding: 4px 11px; border-radius: 999px;
}
.where { font-size: 13px; color: var(--muted); white-space: nowrap; }
.card h3 { font-size: 21px; font-weight: 800; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; flex: 1; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.chips li {
  font-family: var(--mono); font-size: 12px;
  border: 1px solid var(--border); border-radius: 8px;
  padding: 4px 10px; color: var(--text); background: var(--surface);
}
.card .chips li, .project .chips li {
  border-color: color-mix(in srgb, var(--card-accent) 22%, var(--border));
  background: color-mix(in srgb, var(--card-accent) 6%, var(--surface));
}
.more { margin-top: 22px; font-size: 14px; font-weight: 700; color: var(--card-ink); }
.more span { display: inline-block; transition: transform .2s; }
.card:hover .more span { transform: translateX(5px); }

/* =========================================================
   Timeline
   ========================================================= */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(180deg, #6366f1, #a855f7, #ec4899, #f59e0b, #14b8a6);
  border-radius: 2px;
}
.job {
  --c: var(--accent);
  position: relative; display: grid; grid-template-columns: 200px 1fr; gap: 28px;
  padding: 26px 28px; margin-bottom: 18px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
}
.job::before {
  content: ""; position: absolute; left: -29px; top: 32px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--c); box-shadow: 0 0 0 4px var(--bg), 0 0 0 6px color-mix(in srgb, var(--c) 30%, transparent);
}
.job:nth-child(5n+2) { --c: #a855f7; }
.job:nth-child(5n+3) { --c: var(--pink); }
.job:nth-child(5n+4) { --c: var(--amber); }
.job:nth-child(5n+5) { --c: var(--teal); }
.job-meta { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.date {
  font-family: var(--mono); font-size: 12.5px; font-weight: 500; color: var(--c);
  background: color-mix(in srgb, var(--c) 12%, transparent); padding: 3px 10px; border-radius: 999px;
}
.place { font-size: 14px; color: var(--muted); }
.job h3 { font-size: 19px; font-weight: 800; margin-bottom: 10px; }
.job h3 span { color: var(--c); font-weight: 700; }
.job-body ul { display: grid; gap: 8px; }
.job-body li { position: relative; padding-left: 20px; color: var(--muted); }
.job-body li::before {
  content: ""; position: absolute; left: 2px; top: .62em; width: 7px; height: 7px; border-radius: 2px;
  background: color-mix(in srgb, var(--c) 70%, transparent); transform: rotate(45deg);
}
@media (max-width: 720px) {
  .timeline { padding-left: 20px; }
  .timeline::before { left: 3px; }
  .job { grid-template-columns: 1fr; gap: 12px; padding: 22px 20px; }
  .job::before { left: -22px; }
}

/* =========================================================
   Skills & education
   ========================================================= */
.skills { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.skill-group {
  --c: var(--accent);
  background: linear-gradient(160deg, color-mix(in srgb, var(--c) 10%, var(--surface)), var(--surface) 65%);
  border: 1px solid color-mix(in srgb, var(--c) 20%, var(--border));
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
}
.skill-group:nth-child(2) { --c: var(--pink); }
.skill-group:nth-child(3) { --c: var(--amber); }
.skill-group:nth-child(4) { --c: var(--teal); }
.skill-group h3 { font-size: 17px; font-weight: 800; color: var(--c); }
.skill-group .chips { margin-top: 14px; }
.skill-group .chips li { border-color: color-mix(in srgb, var(--c) 25%, var(--border)); }
@media (max-width: 720px) { .skills { grid-template-columns: 1fr; } }

.edu {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 32px;
  margin-top: 28px; padding: 28px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
}
.edu h3 { font-size: 20px; font-weight: 800; margin-bottom: 4px; }
@media (max-width: 720px) { .edu { grid-template-columns: 1fr; gap: 24px; } }

/* =========================================================
   Contact panel
   ========================================================= */
.contact { padding-top: 40px; }
.contact-panel {
  position: relative; overflow: hidden; text-align: center; color: #fff;
  background: linear-gradient(125deg, #4f46e5 0%, #7c3aed 40%, #db2777 80%, #f59e0b 120%);
  border-radius: 28px; padding: 64px 32px; box-shadow: 0 30px 60px rgba(124, 58, 237, .3);
}
.contact-panel::before, .contact-panel::after {
  content: ""; position: absolute; border-radius: 50%; background: rgba(255, 255, 255, .12);
}
.contact-panel::before { width: 320px; height: 320px; left: -100px; top: -140px; }
.contact-panel::after { width: 240px; height: 240px; right: -60px; bottom: -120px; }
.contact-panel > * { position: relative; }
.contact-panel h2 { font-size: clamp(30px, 5vw, 50px); font-weight: 800; }
.contact-panel p { margin: 16px auto 0; max-width: 560px; font-size: 18px; color: rgba(255, 255, 255, .85); }
.contact-panel .btn-light { margin-top: 30px; }
@media (max-width: 600px) { .contact-panel { padding: 48px 20px; border-radius: 22px; } }

/* =========================================================
   Footer
   ========================================================= */
.footer { padding: 28px 0 36px; color: var(--muted); font-size: 14px; text-align: center; }

/* =========================================================
   Project page
   ========================================================= */
.project-hero { position: relative; padding: 48px 0 40px; overflow: hidden; }
.project-hero .blobs .b1 { background: color-mix(in srgb, var(--card-accent) 75%, #fff); }
.project-hero .blobs .b2 { background: #c4b5fd; }
.project-hero .wrap { z-index: 1; }
.back {
  display: inline-flex; color: var(--muted); font-size: 14px; font-weight: 600; margin-bottom: 30px;
  padding: 6px 14px; border-radius: 999px; background: color-mix(in srgb, var(--surface) 75%, transparent); border: 1px solid var(--border);
}
.back:hover { color: var(--text); border-color: var(--card-accent); }
.project-title { display: flex; align-items: center; gap: 20px; }
.project-icon {
  width: 76px; height: 76px; border-radius: 22px; object-fit: cover; flex: none;
  box-shadow: 0 12px 28px color-mix(in srgb, var(--card-accent) 35%, transparent);
}
.project-icon.mono { font-size: 22px; }
.project-hero h1 { font-size: clamp(32px, 5.5vw, 58px); font-weight: 800; margin-top: 8px; }
.project-hero .lead { max-width: 760px; }
.project .btn-primary {
  background: linear-gradient(120deg, var(--card-accent), color-mix(in srgb, var(--card-accent) 70%, #1e1b4b));
  box-shadow: 0 10px 26px color-mix(in srgb, var(--card-accent) 38%, transparent);
}
.facts {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1px;
  margin: 38px 0 0; background: var(--border); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
.facts div { background: var(--surface); padding: 16px 20px; }
.facts dt { font-family: var(--mono); font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--card-ink); }
.facts dd { margin: 4px 0 0; font-weight: 600; font-size: 15px; }
@media (max-width: 520px) { .facts div:last-child:nth-child(odd) { grid-column: 1 / -1; } }

.cover { margin: 8px 0 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-lg); }
.cover img { display: block; width: 100%; height: auto; }

.project-section { padding-top: 64px; }
.project-section h2 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 800; margin-bottom: 24px; }
.project-section h2::after {
  content: ""; display: block; width: 48px; height: 4px; border-radius: 4px; margin-top: 12px;
  background: linear-gradient(90deg, var(--card-accent), color-mix(in srgb, var(--card-accent) 55%, #fff));
}
.project .stat { --c: var(--card-accent); }
.project .stat:nth-child(2) { --c: #8b5cf6; }
.project .stat:nth-child(3) { --c: var(--amber); }
.project .stats { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
@media (max-width: 520px) { .project .stats { grid-template-columns: repeat(2, 1fr); } }

.prose p { color: var(--muted); font-size: 17px; max-width: 760px; }
.prose p + p { margin-top: 16px; }

.shots {
  --gutter: max(24px, calc((100vw - 1120px) / 2 + 24px));
  display: flex; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 6px var(--gutter) 20px; scroll-padding-inline: var(--gutter);
  scrollbar-width: thin;
}
.shot { flex: 0 0 auto; margin: 0; scroll-snap-align: start; }
.shot img {
  display: block; height: 520px; width: auto; max-width: 80vw; object-fit: contain;
  border-radius: 24px; border: 1px solid var(--border); box-shadow: var(--shadow-lg); background: var(--surface);
}
.shot.wide img { height: 420px; max-width: 88vw; border-radius: 16px; }
.shot figcaption { font-size: 13px; color: var(--muted); margin-top: 10px; text-align: center; font-weight: 500; }
@media (max-width: 600px) {
  .shots { --gutter: 16px; }
  .shot img { height: 420px; }
  .shot.wide img { height: auto; width: 85vw; }
}

.features { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
@media (max-width: 360px) { .features { grid-template-columns: 1fr; } }
.feature {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 22px 22px 58px; box-shadow: var(--shadow);
  transition: border-color .2s, transform .2s;
}
.feature:hover { border-color: color-mix(in srgb, var(--card-accent) 45%, var(--border)); transform: translateY(-3px); }
.feature::before {
  content: "✓"; position: absolute; left: 20px; top: 21px;
  width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  font-size: 13px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--card-accent), color-mix(in srgb, var(--card-accent) 65%, #fff));
}
.feature h3 { font-size: 16px; font-weight: 800; margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: 15px; }

.challenges { display: grid; gap: 14px; counter-reset: c; }
.challenges li {
  counter-increment: c; position: relative; padding: 22px 24px 22px 76px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
}
.challenges li::before {
  content: counter(c, decimal-leading-zero); position: absolute; left: 22px; top: 20px;
  font-family: var(--display); font-weight: 800; font-size: 26px; line-height: 1;
  background: linear-gradient(135deg, var(--card-accent), color-mix(in srgb, var(--card-accent) 65%, #fff));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.challenges h3 { font-size: 17px; font-weight: 800; margin-bottom: 6px; }
.challenges p { color: var(--muted); max-width: 820px; }
@media (max-width: 520px) { .challenges li { padding: 58px 20px 20px; } .challenges li::before { top: 20px; left: 20px; } }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-top: 72px; }
.pager a {
  display: flex; flex-direction: column; gap: 4px; padding: 20px 24px;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow);
  transition: border-color .2s, transform .2s;
}
.pager a:hover { border-color: var(--accent); transform: translateY(-3px); }
.pager span { font-size: 13px; color: var(--muted); }
.pager strong { font-family: var(--display); font-size: 17px; }
.pager .next { text-align: right; }
@media (max-width: 600px) { .pager { grid-template-columns: 1fr; } .pager .next { text-align: left; } }

/* =========================================================
   Reveal on scroll
   ========================================================= */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }
.js .card.reveal.in:hover { transform: translateY(-6px); }
.js .feature.reveal.in:hover { transform: translateY(-3px); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card, .feature, .pager a { transition: none; }
}