/* Olga Ok — portfolio. Dark, gallery-style, image-forward. */
:root{
  --bg:#0c0c0e; --bg2:#131317; --panel:#17171c; --line:#26262d;
  --ink:#f2efe9; --mut:#a7a29a; --dim:#6f6b64;
  --accent:#e2b57e; --accent-dim:#c99a63;
  --maxw:1180px; --nav-h:64px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:"Georgia","Times New Roman",serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-weight:600;line-height:1.15;margin:0}

/* ---- nav ---- */
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 clamp(18px,4vw,40px);
  background:rgba(12,12,14,.72);backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line)}
.brand{font-family:var(--serif);font-size:19px;letter-spacing:.22em;font-weight:600}
.links{display:flex;align-items:center;gap:clamp(14px,2.4vw,30px)}
.links a{font-size:13.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);
  transition:color .18s}
.links a:hover,.links a.active{color:var(--ink)}
.links .cta{color:var(--bg);background:var(--accent);padding:9px 16px;border-radius:999px;
  font-weight:600}
.links .cta:hover{background:var(--accent-dim);color:var(--bg)}
.navtoggle{display:none;background:none;border:0;color:var(--ink);font-size:22px;cursor:pointer}

/* ---- hero ---- */
.hero{position:relative;min-height:min(88vh,760px);display:flex;align-items:center;
  padding:var(--nav-h) clamp(18px,5vw,60px) 60px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;
  filter:brightness(.4) saturate(1.05);transform:scale(1.04)}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(to top,var(--bg) 2%,rgba(12,12,14,.35) 55%,rgba(12,12,14,.6))}
.hero-in{position:relative;max-width:820px}
.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.28em;font-size:12.5px;
  margin:0 0 14px}
.hero h1{font-family:var(--serif);font-size:clamp(52px,10vw,116px);letter-spacing:.01em;
  margin:0 0 18px;text-shadow:0 2px 30px rgba(0,0,0,.5)}
.lede{font-size:clamp(16px,2.2vw,21px);color:#e7e3db;max-width:620px;margin:0 0 30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--accent);color:#1a1509;padding:13px 26px;border-radius:999px;
  font-weight:600;font-size:14px;letter-spacing:.04em;transition:transform .15s,background .18s}
.btn:hover{background:#efc793;transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);background:transparent}

/* ---- work grid ---- */
.work{max-width:var(--maxw);margin:0 auto;padding:clamp(40px,7vw,80px) clamp(18px,4vw,40px) 90px}
.filter{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:38px}
.chip{background:var(--panel);color:var(--mut);border:1px solid var(--line);
  padding:9px 20px;border-radius:999px;font-size:13.5px;letter-spacing:.05em;cursor:pointer;
  transition:.18s}
.chip:hover{color:var(--ink);border-color:#3a3a44}
.chip.active{background:var(--accent);color:#1a1509;border-color:var(--accent);font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}
.card{position:relative;border-radius:12px;overflow:hidden;background:var(--panel);
  border:1px solid var(--line);transition:transform .25s,border-color .25s}
.card:hover{transform:translateY(-4px);border-color:#3f3f49}
.card-img{aspect-ratio:4/3;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-img img{transform:scale(1.06)}
.card-meta{display:flex;justify-content:space-between;align-items:baseline;gap:10px;
  padding:14px 16px}
.card-title{font-size:15.5px;font-weight:600}
.card-year{color:var(--dim);font-size:13px;font-variant-numeric:tabular-nums}
.card.hide{display:none}

/* ---- project ---- */
.project{max-width:1120px;margin:0 auto;padding:calc(var(--nav-h) + 40px) clamp(18px,4vw,40px) 80px}
.back{color:var(--mut);font-size:13.5px;letter-spacing:.05em;text-transform:uppercase}
.back:hover{color:var(--accent)}
.proj-head{border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:36px}
.proj-title-row{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;margin-top:18px}
.proj-head h1{font-family:var(--serif);font-size:clamp(34px,6vw,58px)}
.tag{color:var(--accent);font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  border:1px solid var(--line);padding:5px 12px;border-radius:999px}
.proj-desc{color:var(--mut);font-size:17px;max-width:760px;margin:20px 0 0}
.shots{display:flex;flex-direction:column;gap:clamp(16px,3vw,34px)}
.shot{margin:0;border-radius:10px;overflow:hidden;background:var(--bg2)}
.shot img{width:100%;height:auto;cursor:zoom-in;transition:opacity .2s}
.shot img:hover{opacity:.94}
.pnav{display:flex;justify-content:space-between;gap:14px;margin-top:60px;
  border-top:1px solid var(--line);padding-top:26px;color:var(--mut);font-size:15px}
.pnav a:hover{color:var(--accent)}

/* ---- lightbox ---- */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(6,6,8,.94);
  display:flex;align-items:center;justify-content:center}
.lightbox[hidden]{display:none}
.lb-img{max-width:94vw;max-height:92vh;width:auto;height:auto;border-radius:4px;
  box-shadow:0 20px 80px rgba(0,0,0,.6)}
.lb-close,.lb-prev,.lb-next{position:fixed;background:rgba(30,30,36,.7);color:#fff;border:0;
  cursor:pointer;border-radius:999px;display:flex;align-items:center;justify-content:center;
  transition:background .18s}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{background:var(--accent);color:#1a1509}
.lb-close{top:20px;right:24px;width:44px;height:44px;font-size:26px}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);width:52px;height:52px;font-size:30px}
.lb-prev{left:20px}.lb-next{right:20px}

/* ---- about ---- */
.about{max-width:var(--maxw);margin:0 auto;padding:calc(var(--nav-h) + 50px) clamp(18px,4vw,40px) 90px}
.about-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,5vw,64px);
  align-items:center;margin-bottom:70px}
.about-copy h1{font-family:var(--serif);font-size:clamp(40px,7vw,72px);margin:6px 0 22px}
.about-copy p{color:#d9d4cc;font-size:17px;margin:0 0 18px;max-width:60ch}
.contact-line{margin-top:28px !important}
.about-portrait{aspect-ratio:4/5;border-radius:14px;background-size:cover;background-position:center;
  border:1px solid var(--line)}
.resume h2{font-family:var(--serif);font-size:28px;margin-bottom:28px;
  padding-bottom:14px;border-bottom:1px solid var(--line)}
.xp-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:30px}
.xp{display:grid;grid-template-columns:180px 1fr;gap:24px}
.xp-when{color:var(--accent);font-size:14px;letter-spacing:.04em;padding-top:3px;
  font-variant-numeric:tabular-nums}
.xp-what h3{font-size:19px}
.xp-what h3 span{color:var(--mut);font-weight:400}
.xp-kind{color:var(--dim);font-size:13px;text-transform:uppercase;letter-spacing:.1em;margin:4px 0 8px}
.xp-what p{color:#cfcac2;margin:6px 0 0;max-width:66ch}

/* ---- footer ---- */
.foot{border-top:1px solid var(--line);margin-top:20px}
.foot-in{max-width:var(--maxw);margin:0 auto;padding:34px clamp(18px,4vw,40px);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--dim);font-size:14px}
.foot-links a{color:var(--mut)}.foot-links a:hover{color:var(--accent)}

/* ---- responsive ---- */
@media(max-width:760px){
  .navtoggle{display:block}
  .links{position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;gap:0;
    background:var(--bg2);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s}
  .links.open{max-height:340px}
  .links a{width:100%;padding:15px clamp(18px,4vw,40px);border-top:1px solid var(--line)}
  .links .cta{border-radius:0;text-align:center}
  .grid{grid-template-columns:1fr}
  .about-hero{grid-template-columns:1fr}
  .about-portrait{order:-1;max-width:340px;aspect-ratio:4/3}
  .xp{grid-template-columns:1fr;gap:6px}
}