/* avtak.dev — tokens first, light and dark */
:root {
  --bg: #0c0c0f;
  --bg-2: #121217;
  --card: #15151b;
  --ink: #f0eff3;
  --muted: #9897a3;
  --line: #24242c;
  --accent: #ff7a3d;
  --accent-2: #ffb36b;
  --glow: rgba(255, 122, 61, 0.16);
  --dot: rgba(255, 255, 255, 0.10);
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --radius: 22px;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f2ed;
    --bg-2: #ebe8e0;
    --card: #fbfaf7;
    --ink: #16161a;
    --muted: #5e5d66;
    --line: #dad6cb;
    --accent: #d2490f;
    --accent-2: #f08a3c;
    --glow: rgba(210, 73, 15, 0.12);
    --dot: rgba(0, 0, 0, 0.12);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); }

/* Top bar */
.top {
  position: fixed; inset: 0 0 auto 0; z-index: 20;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.top.scrolled { border-bottom-color: var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.mark { font-family: var(--mono); font-weight: 700; font-size: 16px; text-decoration: none; letter-spacing: -0.02em; display: inline-flex; align-items: center; gap: 8px; }
.mark svg { color: var(--accent); transition: transform .6s cubic-bezier(.2,.8,.2,1); }
.mark:hover svg { transform: rotate(90deg); }
.mark span { color: var(--muted); }
.top nav { display: flex; gap: 26px; font-family: var(--mono); font-size: 14px; }
.top nav a { text-decoration: none; color: var(--muted); transition: color .2s; }
.top nav a:hover { color: var(--ink); }

/* Hero */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: 120px 0 80px; overflow: hidden; }
#field {
  position: absolute; inset: 0; width: 100%; height: 100%;
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 72% 45%, #000 20%, transparent 78%);
  mask-image: radial-gradient(ellipse 70% 80% at 72% 45%, #000 20%, transparent 78%);
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 160px; pointer-events: none;
  background: linear-gradient(to bottom, transparent, var(--bg));
}
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.35fr 1fr; gap: 56px; align-items: center; width: 100%; }
.eyebrow { font-family: var(--mono); font-size: 13px; color: var(--muted); display: inline-flex; align-items: flex-start; gap: 10px; margin: 0 0 22px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: color-mix(in srgb, var(--card) 70%, transparent); }
.dot { flex: none; margin-top: 6px; width: 8px; height: 8px; border-radius: 50%; background: #22c55e; animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(34,197,94,.55); } 70%,100% { box-shadow: 0 0 0 8px rgba(34,197,94,0); } }
h1 { font-size: clamp(2.9rem, 7.4vw, 5.6rem); line-height: .98; letter-spacing: -0.045em; margin: 0 0 26px; font-weight: 750; }
h1 .grad { background: linear-gradient(100deg, var(--ink) 30%, var(--accent) 70%, var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(1.15rem, 2.2vw, 1.4rem); color: var(--muted); margin: 0 0 10px; max-width: 30em; }
.rotator { display: inline-grid; vertical-align: top; color: var(--ink); font-weight: 600; }
.rotator span { grid-area: 1 / 1; opacity: 0; transform: translateY(0.6em); transition: opacity .5s, transform .5s cubic-bezier(.2,.8,.2,1); white-space: nowrap; }
.rotator span.on { opacity: 1; transform: none; }
.rotator span.off { opacity: 0; transform: translateY(-0.6em); }
.legal { font-size: 13px; color: var(--muted); margin: 0 0 32px; font-family: var(--mono); }
.links { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-family: var(--mono); font-size: 14px;
  padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--card);
  transition: transform .2s, border-color .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #111; font-weight: 600; }
.btn.primary:hover { background: var(--accent-2); }

/* Portrait frame: replace the monogram with <img src="img/daniel.jpg" alt="Daniel Hassanzadeh"> */
.portrait { position: relative; justify-self: center; width: min(100%, 360px); aspect-ratio: 4 / 5; border-radius: 32px; padding: 2px; isolation: isolate; }
.portrait::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: -1;
  background: conic-gradient(from var(--spin, 0deg), var(--accent), transparent 30%, transparent 60%, var(--accent-2), var(--accent));
  animation: spin 8s linear infinite;
}
@property --spin { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@keyframes spin { to { --spin: 360deg; } }
.portrait .inner {
  width: 100%; height: 100%; border-radius: 30px; overflow: hidden; display: grid; place-items: center;
  background: radial-gradient(120% 90% at 30% 20%, var(--bg-2), var(--card));
}
.portrait img { width: 100%; height: 100%; object-fit: cover; }
.monogram { font-size: clamp(4rem, 9vw, 6.5rem); font-weight: 800; letter-spacing: -0.06em; color: transparent; -webkit-text-stroke: 1.5px var(--muted); }
.tag {
  position: absolute; left: -18px; bottom: 28px; display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 13px; padding: 8px 12px; border-radius: 12px;
  background: var(--card); border: 1px solid var(--line); box-shadow: 0 10px 30px rgba(0,0,0,.25);
  animation: float 5s ease-in-out infinite;
}
.tag svg { color: var(--accent); }
.tag.t2 { left: auto; right: -14px; bottom: auto; top: 30px; animation-delay: -2.5s; }
@keyframes float { 50% { transform: translateY(-8px); } }

.scroll-hint { position: absolute; left: 50%; bottom: 26px; z-index: 2; transform: translateX(-50%); font-family: var(--mono); font-size: 12px; color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: 8px; text-decoration: none; }
.scroll-hint i { width: 1px; height: 36px; background: linear-gradient(var(--accent), transparent); animation: drip 1.8s ease-in-out infinite; transform-origin: top; }
@keyframes drip { 0% { transform: scaleY(0); } 60% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1); opacity: 0; } }

/* Intro motion */
.intro > * { opacity: 0; transform: translateY(18px); animation: rise .8s cubic-bezier(.2,.8,.2,1) forwards; }
.intro > *:nth-child(2) { animation-delay: .08s; } .intro > *:nth-child(3) { animation-delay: .16s; }
.intro > *:nth-child(4) { animation-delay: .24s; } .intro > *:nth-child(5) { animation-delay: .32s; }
.portrait { opacity: 0; animation: rise 1s .3s cubic-bezier(.2,.8,.2,1) forwards; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* Marquee */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding: 18px 0; background: var(--bg-2); }
.marquee .track { display: flex; gap: 48px; width: max-content; animation: slide 38s linear infinite; font-family: var(--mono); font-size: 14px; color: var(--muted); }
.marquee:hover .track { animation-play-state: paused; }
.marquee .track span::before { content: "✦"; color: var(--accent); margin-right: 48px; }
@keyframes slide { to { transform: translateX(-50%); } }

/* Sections */
section { padding: 110px 0; }
.kicker { font-family: var(--mono); font-size: 13px; color: var(--accent); letter-spacing: .12em; text-transform: uppercase; margin: 0 0 14px; }
h2 { font-size: clamp(2rem, 4.6vw, 3.2rem); letter-spacing: -0.035em; line-height: 1.05; margin: 0 0 48px; max-width: 16em; }
h2 em { font-style: normal; color: var(--muted); }

/* Bento */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.card {
  --mx: 50%; --my: 50%;
  position: relative; grid-column: span 3; padding: 30px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line); overflow: hidden;
  display: flex; flex-direction: column; gap: 14px;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), border-color .35s;
}
.card.wide { grid-column: span 4; }
.card.narrow { grid-column: span 2; }
.card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .35s;
  background: radial-gradient(420px circle at var(--mx) var(--my), var(--glow), transparent 60%);
}
.card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.card:hover::before { opacity: 1; }
.card > * { position: relative; }
.card-top { display: flex; justify-content: space-between; align-items: center; font-family: var(--mono); font-size: 13px; color: var(--muted); }
.card-top .num { color: var(--accent); }
.status { display: inline-flex; align-items: center; gap: 6px; }
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #22c55e; }
.status.wip::before { background: var(--accent-2); }
.card h3 { font-size: 1.6rem; letter-spacing: -0.025em; line-height: 1.15; margin: 4px 0 0; }
.card .tagline { color: var(--muted); margin: -6px 0 0; }
.card p { margin: 0; }
.stats { display: flex; flex-wrap: wrap; gap: 10px 28px; margin: 4px 0; }
.stat b { display: block; font-size: 1.7rem; letter-spacing: -0.03em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat small { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.proves { font-size: 15px; padding: 10px 14px; border-radius: 12px; background: var(--glow); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent); }
.proves b { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-right: 8px; }
.card-foot { margin-top: auto; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; padding-top: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips span { font-family: var(--mono); font-size: 12px; color: var(--muted); padding: 4px 9px; border-radius: 8px; background: var(--bg-2); }
.go { font-family: var(--mono); font-size: 13px; font-weight: 600; text-decoration: none; display: inline-flex; gap: 6px; align-items: center; }
.go:hover { color: var(--accent); }
.go svg { transition: transform .25s; }
.go:hover svg { transform: translate(2px, -2px); }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.about-grid p { margin: 0 0 18px; color: var(--muted); font-size: 1.08rem; }
.about-grid p strong { color: var(--ink); font-weight: 600; }
.timeline { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.timeline li { position: relative; padding: 0 0 26px 24px; }
.timeline li::before { content: ""; position: absolute; left: -5px; top: 8px; width: 9px; height: 9px; border-radius: 50%; background: var(--bg); border: 2px solid var(--accent); }
.timeline .when { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.timeline .what { font-weight: 600; }
.timeline .where { color: var(--muted); font-size: 15px; }

/* Contact */
.contact { text-align: center; }
.contact h2 { margin-inline: auto; }
.contact .big { display: inline-block; font-size: clamp(1.4rem, 4.5vw, 2.6rem); font-weight: 700; letter-spacing: -0.03em; text-decoration: none; background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; padding-bottom: 6px; border-bottom: 2px solid var(--line); transition: border-color .3s; }
.contact .big:hover { border-color: var(--accent); }
.contact p { color: var(--muted); margin: 0 0 30px; }
.contact .links { justify-content: center; margin-top: 34px; }

footer { border-top: 1px solid var(--line); padding: 28px 0 44px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-family: var(--mono); font-size: 13px; color: var(--muted); }
footer nav { display: flex; gap: 18px; }
footer a { text-decoration: none; } footer a:hover { color: var(--ink); }

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.2,.8,.2,1), transform .8s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* Legal pages */
.page { padding: 140px 0 80px; max-width: 680px; }
.page h1 { font-size: clamp(2.2rem, 5vw, 3rem); }
.page p { margin: 0 0 6px; }
.page .note { margin-top: 24px; color: var(--muted); }

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 44px; }
  .portrait { width: min(78%, 300px); }
  .bento { grid-template-columns: 1fr; }
  .card, .card.wide, .card.narrow { grid-column: auto; }
  .about-grid { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .top nav { gap: 14px; font-size: 13px; }
  .top nav a.hide-sm { display: none; }
  .hero { padding-top: 104px; }
  .scroll-hint { display: none; }
  section { padding: 80px 0; }
  .card { padding: 22px; }
  .tag { left: -8px; } .tag.t2 { right: -8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .intro > *, .portrait, .reveal { opacity: 1 !important; transform: none !important; }
  .rotator span:first-child { opacity: 1; transform: none; }
}

/* Long legal text */
.legal-text h2 { font-family: var(--sans); text-transform: none; letter-spacing: -0.01em; font-size: 1.2rem; color: var(--ink); margin: 32px 0 8px; }
.legal-text p { margin: 0 0 12px; color: var(--muted); }
.legal-text strong { color: var(--ink); }
.legal-text code { font-family: var(--mono); font-size: .9em; }

/* Project logos */
.title-row { display: flex; align-items: center; gap: 14px; margin-top: 4px; }
.title-row h3 { margin: 0; }
.logo { width: 44px; height: 44px; border-radius: 12px; flex: none; box-shadow: 0 6px 18px rgba(0,0,0,.18); transition: transform .35s cubic-bezier(.2,.8,.2,1); }
.card:hover .logo { transform: rotate(-6deg) scale(1.06); }