/* ===== OTBK — Otabek Ravshanov portfolio ===== */
:root{
  --bg:#0a0a0b; --bg2:#101012; --card:#141416; --line:#26262b;
  --ink:#f4f4f5; --mut:#9a9aa2; --dim:#6a6a72;
  --accent:#4ade80; --accent-dim:#22c55e;
  --maxw:1200px;
  --disp:"Space Grotesk", system-ui, sans-serif;
  --body:"Inter", system-ui, sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--body); background:var(--bg); color:var(--ink);
  line-height:1.6; overflow-x:hidden; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
img{display:block;max-width:100%}

/* animated bg canvas */
#bg-canvas{position:fixed;inset:0;z-index:0;opacity:.5;pointer-events:none}
body>*:not(#bg-canvas){position:relative;z-index:1}

/* ===== Nav ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;
  backdrop-filter:blur(14px);background:rgba(10,10,11,.6);border-bottom:1px solid transparent;
  transition:border-color .3s,background .3s}
.nav.scrolled{border-color:var(--line);background:rgba(10,10,11,.85)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:700;font-size:20px;letter-spacing:.5px}
.brand-img{width:34px;height:34px;border-radius:50%;object-fit:cover;border:1px solid var(--line);
  transition:transform .3s ease}
.brand:hover .brand-img{transform:scale(1.08)}
.brand-text .dot{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-size:14.5px;color:var(--mut);transition:color .2s;font-weight:500}
.nav-links a:hover{color:var(--ink)}
.nav-cta{border:1px solid var(--line);padding:9px 18px;border-radius:99px;color:var(--ink)!important}
.nav-cta:hover{background:var(--ink);color:var(--bg)!important;border-color:var(--ink)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:.3s}

/* ===== Hero ===== */
.hero{min-height:100vh;display:flex;align-items:center;padding:110px 0 60px;position:relative}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;width:100%}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--accent);
  text-transform:uppercase;letter-spacing:2px;font-weight:600;margin-bottom:26px}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(74,222,128,.5)}70%{box-shadow:0 0 0 10px rgba(74,222,128,0)}100%{box-shadow:0 0 0 0 rgba(74,222,128,0)}}
.hero-name{font-family:var(--disp);font-size:clamp(48px,8vw,104px);line-height:.95;font-weight:700;letter-spacing:-2px;margin-bottom:22px}
.hero-role{font-size:clamp(16px,2vw,20px);color:var(--accent);font-weight:500;margin-bottom:22px;font-family:var(--disp)}
.hero-desc{font-size:17px;color:var(--mut);max-width:520px;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.btn{padding:15px 30px;border-radius:99px;font-weight:600;font-size:15px;transition:.25s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--accent);color:#062012}
.btn-primary:hover{background:#fff;transform:translateY(-2px)}
.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(255,255,255,.04)}
.hero-social{display:flex;gap:24px}
.hero-social a{font-size:14px;color:var(--dim);position:relative;transition:color .2s}
.hero-social a:hover{color:var(--ink)}
.hero-social a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--accent);transition:width .25s}
.hero-social a:hover::after{width:100%}
.hero-photo{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:4/4.4;border:1px solid var(--line)}
.hero-photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05);transition:filter .6s,transform .6s}
.hero-photo:hover img{filter:grayscale(0);transform:scale(1.03)}
.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(10,10,11,.65))}
.hero-photo-tag{position:absolute;left:16px;bottom:14px;z-index:2;font-family:var(--disp);font-size:12px;
  letter-spacing:2px;color:var(--ink);background:rgba(0,0,0,.4);padding:6px 12px;border-radius:99px;border:1px solid rgba(255,255,255,.14)}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);font-size:12px;color:var(--dim);letter-spacing:1px;animation:bob 2s infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,6px)}}

/* ===== Sections ===== */
.section{padding:110px 0;border-top:1px solid var(--line)}
.label{font-family:var(--disp);font-size:13px;letter-spacing:3px;text-transform:uppercase;color:var(--accent);margin-bottom:18px;font-weight:600}
.section h2{font-family:var(--disp);font-size:clamp(30px,4.5vw,50px);font-weight:700;letter-spacing:-1px;line-height:1.05}
.section-head{margin-bottom:56px;max-width:640px}
.section-sub{color:var(--mut);font-size:17px;margin-top:16px}

/* About */
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}
.about-photo{border-radius:18px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3.4}
.about-photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05);transition:filter .6s}
.about-photo:hover img{filter:grayscale(0)}
.about-text h2{margin-bottom:22px}
.about-text p{color:var(--mut);font-size:16.5px;margin-bottom:16px}
.about-text strong{color:var(--ink);font-weight:600}
.stats{display:flex;gap:38px;margin:32px 0}
.stat b{font-family:var(--disp);font-size:40px;font-weight:700;color:var(--accent);display:block;line-height:1}
.stat span{font-size:13.5px;color:var(--dim)}
.skills{display:flex;flex-wrap:wrap;gap:9px}
.skills span{font-size:13px;color:var(--mut);border:1px solid var(--line);padding:7px 15px;border-radius:99px;transition:.2s}
.skills span:hover{border-color:var(--accent);color:var(--accent)}

/* Work */
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.work-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px;
  display:flex;flex-direction:column;min-height:230px;transition:.3s;position:relative;overflow:hidden}
.work-card::before{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(74,222,128,.08),transparent 60%);opacity:0;transition:opacity .3s}
.work-card:hover{border-color:#3a3a42;transform:translateY(-4px)}
.work-card:hover::before{opacity:1}
.work-card.featured{grid-column:span 1;border-color:rgba(74,222,128,.35)}
.work-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:auto}
.work-tag{font-size:11.5px;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);font-family:var(--disp);font-weight:600}
.work-arrow{font-size:22px;color:var(--dim);transition:.3s}
.work-card:hover .work-arrow{color:var(--accent);transform:translate(3px,-3px)}
.work-card h3{font-family:var(--disp);font-size:27px;font-weight:700;margin:26px 0 10px}
.work-card p{font-size:14.5px;color:var(--mut);flex:1}
.work-domain{font-size:13px;color:var(--dim);margin-top:18px;font-family:var(--disp);letter-spacing:.5px}
/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.gallery-item{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:transform .3s ease,border-color .3s ease;display:flex;flex-direction:column}
.gallery-item:hover{transform:translateY(-6px);border-color:var(--accent)}
.gallery-img-wrap{aspect-ratio:3/4;overflow:hidden;position:relative;background:var(--bg);border-bottom:1px solid var(--line)}
.gallery-img-wrap img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05);transition:transform .5s ease,filter .5s ease}
.gallery-item:hover .gallery-img-wrap img{filter:grayscale(0) contrast(1);transform:scale(1.05)}
.gallery-info{padding:20px;flex-grow:1;display:flex;flex-direction:column;justify-content:flex-start}
.gallery-info h4{font-family:var(--disp);font-size:16px;font-weight:600;color:var(--ink);margin-bottom:8px;transition:color .3s ease}
.gallery-item:hover .gallery-info h4{color:var(--accent)}
.gallery-info p{font-size:13.5px;color:var(--mut);line-height:1.5}

/* Services */
.serv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.serv{background:var(--bg);padding:38px 32px;transition:background .3s}
.serv:hover{background:var(--card)}
.serv-n{font-family:var(--disp);font-size:13px;color:var(--accent);font-weight:600}
.serv h3{font-family:var(--disp);font-size:21px;font-weight:600;margin:18px 0 12px}
.serv p{font-size:14.5px;color:var(--mut)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
.contact-text h2{margin:22px 0}
.contact-text>p{color:var(--mut);font-size:17px;margin-bottom:34px;max-width:440px}
.contact-links{display:flex;flex-direction:column;gap:2px}
.clink{display:flex;justify-content:space-between;align-items:center;padding:20px 4px;border-bottom:1px solid var(--line);transition:.25s}
.clink:hover{padding-left:14px;border-color:var(--accent)}
.clink span{color:var(--dim);font-size:14px}
.clink b{font-family:var(--disp);font-size:17px;font-weight:500;color:var(--ink)}
.clink:hover b{color:var(--accent)}
.contact-photo{border-radius:18px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/4.6}
.contact-photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05);transition:filter .6s}
.contact-photo:hover img{filter:grayscale(0)}

/* Footer */
.footer{border-top:1px solid var(--line);padding:44px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer-inner p{font-size:13.5px;color:var(--dim)}
.footer-domains{font-family:var(--disp);letter-spacing:1px;color:var(--mut)!important}

/* reveal anim */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:900px){
  .hero-inner,.about-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .hero-right{order:-1;max-width:360px}
  .about-photo{order:-1;max-width:420px}
  .contact-photo{max-width:360px}
  .work-grid,.serv-grid,.gallery-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav-links{position:fixed;inset:72px 0 auto 0;flex-direction:column;background:var(--bg2);
    border-bottom:1px solid var(--line);padding:24px 28px;gap:18px;transform:translateY(-120%);transition:.35s;align-items:flex-start}
  .nav-links.open{transform:none}
  .nav-toggle{display:flex}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .work-grid,.serv-grid,.gallery-grid{grid-template-columns:1fr}
  .stats{gap:26px;flex-wrap:wrap}
  .section{padding:80px 0}
}