/* samiei.ai — personal site for Danial Samiei
   Self-contained: no external fonts or third-party requests. */

:root{
  --ink:#070a12;
  --ink-2:#0b0f1a;
  --panel:#0f1422;
  --panel-2:#131a2b;
  --line:rgba(140,165,225,.12);
  --line-2:rgba(140,165,225,.22);
  --txt:#eef2fb;
  --muted:#9aa6c2;
  --muted-2:#6b7793;
  --accent:#7aa2ff;
  --accent-2:#46e0d0;
  --accent-deep:#4f74e0;
  --radius:18px;
  --maxw:1080px;
  --shadow:0 30px 80px -34px rgba(0,0,0,.8);
  --ease:cubic-bezier(.22,.61,.36,1);
  font-synthesis:none;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;background:var(--ink);color:var(--txt);
  font-family:"Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",Arial,system-ui,sans-serif;
  line-height:1.62;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;line-height:1.1;letter-spacing:-.02em;font-weight:700}
p{margin:0}
strong{color:#fff;font-weight:600}
em{font-style:normal;color:var(--accent-2)}

.skip{position:fixed;left:-999px;top:8px;z-index:100;background:var(--accent);color:#04101f;
  padding:10px 16px;border-radius:8px;font-weight:600}
.skip:focus{left:12px}

/* ---------- ambient background ---------- */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;background:
  radial-gradient(1100px 700px at 78% -8%, #0c1426 0%, transparent 58%),
  radial-gradient(1000px 700px at -5% 100%, #0a1120 0%, transparent 55%),
  var(--ink)}
#neural{position:absolute;inset:0;width:100%;height:100%;opacity:.55}
.bg-glow{position:absolute;border-radius:50%;filter:blur(100px);opacity:.5;will-change:transform}
.bg-glow--a{width:540px;height:540px;top:-180px;right:-120px;
  background:radial-gradient(circle,rgba(122,162,255,.35),transparent 65%)}
.bg-glow--b{width:600px;height:600px;bottom:-260px;left:-160px;
  background:radial-gradient(circle,rgba(70,224,208,.20),transparent 65%)}

/* ---------- layout ---------- */
main{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:clamp(60px,10vw,120px) 0}
.kicker{display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent-2);margin-bottom:14px}
.section-head{max-width:680px;margin-bottom:44px}
.section-head h2{font-size:clamp(1.85rem,4.2vw,2.9rem);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:1.06rem}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  max-width:var(--maxw);margin:0 auto;padding:16px 22px;backdrop-filter:saturate(150%) blur(9px)}
.nav::after{content:"";position:absolute;left:22px;right:22px;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-2),transparent)}
.brand{display:flex;align-items:center;gap:11px;font-weight:700}
.brand-text{font-size:1.08rem;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:26px;font-size:.95rem}
.nav-links a{color:var(--muted);transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-links .btn{color:#04101f}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:12px;
  font-weight:600;font-size:.97rem;cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,border-color .25s,color .2s}
.btn:active{transform:translateY(1px)}
.btn--sm{padding:9px 16px;font-size:.9rem;border-radius:10px}
.btn--accent{background:linear-gradient(180deg,var(--accent),var(--accent-deep));color:#04101f;
  box-shadow:0 12px 30px -12px rgba(122,162,255,.6)}
.btn--accent:hover{transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(122,162,255,.75)}
.btn--ghost{background:rgba(255,255,255,.03);border-color:var(--line-2);color:var(--txt)}
.btn--ghost:hover{border-color:var(--accent);color:#fff;transform:translateY(-2px)}

/* ---------- hero ---------- */
.hero{max-width:var(--maxw);margin:0 auto;padding:clamp(52px,11vw,110px) 22px clamp(30px,6vw,56px)}
.eyebrow{font-size:.8rem;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--muted-2);margin-bottom:20px}
.name{font-size:clamp(3rem,11vw,7rem);letter-spacing:-.04em;
  background:linear-gradient(180deg,#fff 0%,#c2cbe4 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.tagline{max-width:640px;font-size:clamp(1.1rem,2.1vw,1.4rem);color:var(--txt);margin-top:20px;line-height:1.5}
.tagline a{color:var(--accent-2);border-bottom:1px solid rgba(70,224,208,.4)}
.tagline a:hover{color:#fff}
.sub{max-width:600px;color:var(--muted);font-size:1.05rem;margin-top:16px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}

/* ---------- stats ---------- */
.stats{max-width:var(--maxw);margin:0 auto;padding:8px 22px clamp(20px,5vw,40px);
  display:grid;grid-template-columns:repeat(6,1fr);gap:18px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats{padding-top:34px;padding-bottom:34px;margin-top:24px}
.stat{display:flex;flex-direction:column;gap:4px}
.stat b{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:700;letter-spacing:-.02em;
  background:linear-gradient(180deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2);line-height:1.35}

/* ---------- prose ---------- */
.prose{max-width:760px;display:grid;gap:18px}
.prose p{color:var(--muted);font-size:1.1rem;line-height:1.75}
.prose a{color:var(--accent-2)}
.prose a:hover{color:#fff}

/* ---------- grids / cards ---------- */
.grid{display:grid;gap:18px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{background:linear-gradient(180deg,var(--panel),var(--ink-2));border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 24px;position:relative;overflow:hidden;
  transition:transform .35s var(--ease),border-color .35s}
.card::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(180deg,rgba(122,162,255,.4),transparent 42%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .35s}
.card:hover{transform:translateY(-6px);border-color:var(--line-2)}
.card:hover::before{opacity:1}
.card-ic{width:48px;height:48px;display:grid;place-items:center;border-radius:13px;
  background:radial-gradient(circle at 30% 25%,rgba(122,162,255,.22),rgba(70,224,208,.06));
  border:1px solid rgba(122,162,255,.25);color:var(--accent-2);font-size:1.4rem;margin-bottom:16px}
.card h3{font-size:1.12rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.97rem}

/* ---------- ventures ---------- */
.vcard{display:flex;flex-direction:column;gap:8px;background:linear-gradient(180deg,var(--panel),var(--ink-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:transform .3s var(--ease),border-color .3s,background .3s}
.vcard:hover{transform:translateY(-5px);border-color:var(--accent);
  background:linear-gradient(180deg,var(--panel-2),var(--ink-2))}
.vcard-name{font-size:1.25rem;font-weight:700;color:#fff;letter-spacing:-.01em}
.vcard-desc{color:var(--muted);font-size:.96rem;flex:1}
.vcard-go{font-size:.82rem;font-weight:600;letter-spacing:.04em;color:var(--accent-2);margin-top:6px}

/* ---------- timeline ---------- */
.timeline{list-style:none;margin:0;padding:0;position:relative;max-width:820px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--accent),rgba(70,224,208,.15))}
.timeline li{position:relative;padding:0 0 30px 38px}
.timeline li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--ink);border:2px solid var(--accent);box-shadow:0 0 0 4px rgba(122,162,255,.12)}
.timeline li:last-child{padding-bottom:0}
.tl-when{display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  color:var(--accent-2);margin-bottom:6px}
.timeline h3{font-size:1.12rem;margin-bottom:6px}
.timeline p{color:var(--muted);font-size:.98rem}

/* ---------- chips ---------- */
.chip{display:flex;flex-direction:column;gap:6px;background:rgba(255,255,255,.02);
  border:1px solid var(--line);border-radius:14px;padding:20px 22px;transition:border-color .3s,transform .3s}
.chip:hover{border-color:var(--line-2);transform:translateY(-3px)}
.chip b{font-size:1.05rem;color:#fff}
.chip span{color:var(--muted);font-size:.95rem}

/* ---------- contact ---------- */
.contact-card{background:linear-gradient(180deg,var(--panel-2),var(--ink-2));border:1px solid var(--line);
  border-radius:26px;padding:clamp(30px,5vw,56px);box-shadow:var(--shadow);text-align:center;max-width:840px;margin:0 auto}
.contact-card h2{font-size:clamp(1.9rem,4.4vw,2.8rem);margin-bottom:12px}
.contact-card>p{color:var(--muted);font-size:1.08rem;max-width:520px;margin:0 auto}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:32px;text-align:left}
.contact-item{display:flex;flex-direction:column;gap:3px;background:rgba(255,255,255,.03);
  border:1px solid var(--line-2);border-radius:13px;padding:16px 18px;transition:border-color .25s,transform .25s,background .25s}
.contact-item:hover{border-color:var(--accent);transform:translateY(-2px);background:rgba(122,162,255,.06)}
.ci-k{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2)}
.ci-v{font-size:1rem;color:#fff;font-weight:500;word-break:break-word}

/* ---------- footer ---------- */
.foot{max-width:var(--maxw);margin:0 auto;padding:46px 22px 60px;border-top:1px solid var(--line);
  text-align:center;color:var(--muted)}
.foot-row{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.foot-sep{color:var(--muted-2)}
.foot-copy{margin-top:14px;font-size:.85rem;color:var(--muted-2)}

/* ---------- reveal ----------
   Hidden only when JS is active; a CSS-only fallback reveals everything after 2s
   even if app.js fails to load, so the page can never stay blank. */
.js .reveal{opacity:0;transform:translateY(22px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
  animation:reveal-fallback .6s var(--ease) 2s forwards}
.js .reveal.in{opacity:1;transform:none;animation:none}
@keyframes reveal-fallback{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1!important;transform:none!important;transition:none;animation:none}
}

/* ---------- responsive ---------- */
@media (max-width:880px){
  .grid--3{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(3,1fr);gap:24px}
}
@media (max-width:600px){
  .grid--3,.grid--2,.contact-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .nav-links{gap:14px;font-size:.88rem}
  .nav-links a:not(.btn){display:none}
  .cta-row .btn{flex:1}
}