/* Black & White Minimal Portfolio — Berkay Tatveren */
:root{
  --bg:#0a0a0a;
  --ink:#f5f5f5;
  --muted:#b8b8b8;
  --panel:#111;
  --line:#1c1c1c;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}

a{color:var(--ink);text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:24px}
.section{padding:80px 0;border-top:1px solid var(--line)}
.section.alt{background:#0e0e0e}
h1,h2,h3{line-height:1.2;margin:0 0 16px}
h1{font-size:clamp(44px,6.2vw,84px);font-weight:900;letter-spacing:.01em}
h2{font-size:clamp(26px,3.5vw,40px);font-weight:800}
h3{font-size:20px;font-weight:800}
p{margin:0 0 12px;color:var(--muted)}

.nav{
  position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;border-bottom:1px solid var(--line);background:rgba(10,10,10,.85);backdrop-filter:blur(8px)
}
.brand{font-weight:900;letter-spacing:.08em}
.nav nav a{margin-left:18px;color:#ddd}
.nav nav a.cta{padding:8px 12px;border:1px solid var(--line);border-radius:12px}

.hero{
  display:grid;grid-template-columns:1.1fr .9fr;min-height:82vh;align-items:center;gap:24px;
}
@media(max-width:1000px){.hero{grid-template-columns:1fr;min-height:auto;padding-top:40px}}

.hero-left{padding:0 24px}
.eyebrow{letter-spacing:.08em;color:#cfcfcf;text-transform:uppercase;font-size:13px}
.lede{max-width:640px}
.actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:999px;border:1px solid var(--ink);background:var(--ink);color:#000;font-weight:800}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}

.hero-right{display:grid;place-items:center;padding:24px}
.portrait{
  width:min(560px,90%);aspect-ratio:3/4;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);background:#0c0c0c url('assets/portrait.jpg') center/cover no-repeat;
  filter:grayscale(1) contrast(1.05);
}

.two-col{display:grid;gap:24px;grid-template-columns:1.1fr .9fr}
@media(max-width:900px){.two-col{grid-template-columns:1fr}}

.facts{list-style:disc;margin:0;padding-left:22px;color:#d6d6d6}
.facts li{margin:8px 0}

.cards{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.cards{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px}

.grid{display:grid;gap:10px;grid-template-columns:repeat(6,1fr)}
@media(max-width:1100px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.grid{grid-template-columns:repeat(2,1fr)}}
.ph{aspect-ratio:1/1;border:1px dashed var(--line);border-radius:16px;display:grid;place-items:center;color:#888}
.thumb{aspect-ratio:1/1;border-radius:16px;background:#111 center/cover no-repeat}

.contact{display:grid;gap:24px}
.contact-list{list-style:none;padding:0;display:flex;gap:16px;flex-wrap:wrap}
.contact-form{display:grid;gap:10px;grid-template-columns:1fr 1fr}
.contact-form label{display:grid;gap:6px;font-size:14px;color:#cfcfcf}
.contact-form input,.contact-form textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:#0b0b0b;color:#fff}
.contact-form textarea{grid-column:1/-1}
.footer{border-top:1px solid var(--line);padding:24px 0;color:#a9a9a9;text-align:center}