/* =====================================================================
   ZEESNU STUDIO — shared design system for the hub
   Palette: near-black bg, warm ink, muted grey, hairline lines.
   Typography: Inter Tight (display/body), IBM Plex Mono (labels).
   Mobile-first. 2-col gallery on phone, wider on bigger screens.
   ===================================================================== */

:root{
  --bg:#0a0a0b;
  --bg-2:#0f0f11;
  --ink:#f4f1ea;
  --mid:#8d8b86;
  --line:rgba(244,241,234,.14);
  --line-strong:rgba(244,241,234,.32);
  --accent:#f4f1ea;
  --ease:cubic-bezier(.2,.7,.2,1);
  --maxw:1320px;
  --nav-h:64px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--bg);-webkit-text-size-adjust:100%}
body{
  font-family:'Inter Tight',system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  line-height:1.5;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.mono{font-family:'IBM Plex Mono',monospace}

/* ---------- top nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;
  background:rgba(10,10,11,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;letter-spacing:.06em}
.brand svg{width:20px;height:16px;fill:var(--ink)}
.brand b{font-weight:600}
.brand span{color:var(--mid);font-weight:400}
.nav-links{display:none;gap:26px;align-items:center}
.nav-links a{font-size:13px;color:var(--mid);letter-spacing:.04em;transition:color .2s var(--ease)}
.nav-links a:hover{color:var(--ink)}
.nav-cta{
  display:flex;align-items:center;gap:8px;height:34px;padding:0 14px;
  border:1px solid var(--line-strong);border-radius:99px;
  font-size:12.5px;font-weight:500;letter-spacing:.04em;
  transition:background .2s,color .2s;
}
.nav-cta:hover{background:var(--ink);color:var(--bg)}
.nav-cta i{width:5px;height:5px;border-radius:50%;background:currentColor}
@media(min-width:840px){
  .nav{padding:0 36px}
  .nav-links{display:flex}
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  min-height:100svh;
  padding:calc(var(--nav-h) + 40px) 20px 60px;
  display:flex;flex-direction:column;justify-content:center;
  overflow:hidden;
}
.hero-glow{
  position:absolute;left:0;right:0;top:0;height:50%;
  background:linear-gradient(rgba(244,241,234,.08),rgba(244,241,234,0));
  pointer-events:none;
}
.hero-cross{
  position:absolute;left:20px;right:20px;top:38%;height:1px;background:var(--line);
}
.hero-cross i{
  position:absolute;left:50%;top:-.62em;margin-left:-.32em;
  font:400 12px 'IBM Plex Mono',monospace;color:var(--mid);
  background:var(--bg);padding:0 .35em;line-height:1.2;
}
.hero-inner{position:relative;max-width:var(--maxw);margin:0 auto;width:100%}
.hero-eyebrow{
  font:500 11px 'IBM Plex Mono',monospace;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mid);margin-bottom:24px;
}
.hero-eyebrow b{color:var(--ink);font-weight:500}
.hero h1{
  font-weight:400;
  font-size:clamp(34px,7.2vw,86px);
  line-height:1.02;letter-spacing:-.04em;
  max-width:14ch;
}
.hero h1 em{font-style:normal;color:var(--mid)}
.hero p.sub{
  margin-top:22px;max-width:46ch;color:var(--mid);
  font-size:clamp(15px,2.4vw,17px);line-height:1.55;
}
.hero-meta{
  margin-top:36px;display:flex;flex-wrap:wrap;gap:14px 28px;
  font:500 11px 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--mid);
}
.hero-meta span b{color:var(--ink);font-weight:500}
.hero-meta span s{text-decoration:none;color:var(--mid);margin:0 .5em;opacity:.5}
.scroll-cue{
  position:absolute;left:50%;bottom:24px;transform:translateX(-50%);
  font:400 10.5px 'IBM Plex Mono',monospace;letter-spacing:.12em;color:var(--mid);
  text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px;
}
.scroll-cue::after{content:"";width:1px;height:28px;background:var(--line-strong);animation:cue 2.4s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.01%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@media(min-width:840px){
  .hero{padding:calc(var(--nav-h) + 60px) 36px 80px}
  .hero-cross{left:36px;right:36px}
}

/* ---------- section heading ---------- */
.section{padding:72px 20px;max-width:var(--maxw);margin:0 auto}
@media(min-width:840px){.section{padding:104px 36px}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{
  font-weight:400;font-size:clamp(26px,5vw,44px);line-height:1.05;letter-spacing:-.035em;max-width:18ch;
}
.sec-head h2 em{font-style:normal;color:var(--mid)}
.sec-head .count{font:500 11px 'IBM Plex Mono',monospace;letter-spacing:.1em;color:var(--mid);text-transform:uppercase}
.sec-head .count b{color:var(--ink);font-weight:500}

/* ---------- filter chips ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.chip{
  height:32px;padding:0 14px;border:1px solid var(--line);border-radius:99px;
  font:500 11.5px 'IBM Plex Mono',monospace;letter-spacing:.06em;color:var(--mid);
  text-transform:uppercase;transition:all .2s var(--ease);
}
.chip:hover{color:var(--ink);border-color:var(--line-strong)}
.chip.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}

/* ---------- gallery grid (2-col phone) ---------- */
.grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
}
@media(min-width:560px){.grid{gap:18px}}
@media(min-width:840px){.grid{grid-template-columns:repeat(3,1fr);gap:22px}}
@media(min-width:1120px){.grid{grid-template-columns:repeat(4,1fr);gap:24px}}

.card{
  position:relative;border:1px solid var(--line);border-radius:10px;overflow:hidden;
  background:var(--bg-2);
  transition:border-color .3s var(--ease),transform .4s var(--ease);
  cursor:pointer;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.card-thumb{
  position:relative;aspect-ratio:4/5;overflow:hidden;background:#111;
}
.card-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s var(--ease),filter .4s var(--ease);
  filter:saturate(.92);
}
.card:hover .card-thumb img{transform:scale(1.04);filter:saturate(1)}
.card-tag{
  position:absolute;top:10px;left:10px;
  padding:4px 9px;border-radius:99px;
  background:rgba(10,10,11,.78);backdrop-filter:blur(8px);
  font:500 9.5px 'IBM Plex Mono',monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);
}
.card-body{padding:14px 14px 16px}
.card-name{font-size:15px;font-weight:500;letter-spacing:-.01em}
.card-blurb{margin-top:5px;font-size:12px;color:var(--mid);line-height:1.4}
.card-actions{
  margin-top:12px;display:flex;gap:8px;
}
.card-actions button{
  flex:1;height:32px;border:1px solid var(--line);border-radius:6px;
  font:500 10.5px 'IBM Plex Mono',monospace;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink);transition:all .2s var(--ease);
}
.card-actions button:hover{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.card-actions button.primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.card-actions button.primary:hover{background:transparent;color:var(--ink)}
.card-num{
  position:absolute;bottom:10px;right:12px;
  font:400 10px 'IBM Plex Mono',monospace;color:var(--mid);opacity:.7;
}

/* ---------- preview modal ---------- */
.modal{
  position:fixed;inset:0;z-index:100;
  background:rgba(0,0,0,.92);
  display:none;flex-direction:column;
  opacity:0;transition:opacity .3s var(--ease);
}
.modal.open{display:flex;opacity:1}
.modal-bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;border-bottom:1px solid var(--line);
  background:var(--bg);
  gap:12px;
}
.modal-bar .m-title{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:500;min-width:0}
.modal-bar .m-title b{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.modal-bar .m-title span{color:var(--mid);font:500 10.5px 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.modal-bar .m-actions{display:flex;gap:8px;align-items:center;flex-shrink:0}
.modal-bar button{
  height:34px;padding:0 14px;border:1px solid var(--line-strong);border-radius:99px;
  font:500 11px 'IBM Plex Mono',monospace;letter-spacing:.06em;text-transform:uppercase;
  transition:all .2s var(--ease);
}
.modal-bar button.close{padding:0;width:34px}
.modal-bar button:hover{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.modal-bar button.primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.modal-bar button.primary:hover{background:transparent;color:var(--ink)}
.modal-frame{flex:1;position:relative;overflow:hidden}
.modal-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:var(--bg)}
.modal-hint{
  position:absolute;bottom:12px;left:50%;transform:translateX(-50%);
  padding:6px 12px;border-radius:99px;background:rgba(10,10,11,.85);backdrop-filter:blur(8px);
  font:500 10.5px 'IBM Plex Mono',monospace;letter-spacing:.06em;color:var(--mid);text-transform:uppercase;
  pointer-events:none;
}

/* device toggle inside modal */
.device-toggle{display:flex;border:1px solid var(--line);border-radius:99px;overflow:hidden}
.device-toggle button{
  width:34px;height:34px;border:0;border-radius:0;padding:0;
  display:grid;place-items:center;color:var(--mid);
}
.device-toggle button:not(:last-child){border-right:1px solid var(--line)}
.device-toggle button.active{background:var(--ink);color:var(--bg)}
.device-toggle svg{width:14px;height:14px;fill:currentColor}

/* preview viewport when "phone" selected */
.preview-phone{
  position:absolute;top:14px;bottom:14px;left:50%;transform:translateX(-50%);
  width:min(420px,92vw);
  border:1px solid var(--line-strong);border-radius:22px;overflow:hidden;
  background:var(--bg);
  box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.preview-phone iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ---------- about / contact strip ---------- */
.about{border-top:1px solid var(--line)}
.about-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:760px){.about-grid{grid-template-columns:1fr 1fr;gap:48px}}
.about p{color:var(--mid);font-size:clamp(15px,2.4vw,17px);line-height:1.6;max-width:48ch}
.about p b{color:var(--ink);font-weight:500}
.about ul{list-style:none;display:flex;flex-direction:column;gap:14px}
.about li{display:flex;justify-content:space-between;align-items:baseline;padding-bottom:14px;border-bottom:1px solid var(--line);font-size:14px}
.about li span{color:var(--mid);font:500 11px 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase}
.about li b{font-weight:500}

/* ---------- footer ---------- */
.foot{
  border-top:1px solid var(--line);
  padding:36px 20px;text-align:center;
}
.foot .brand{justify-content:center;margin-bottom:14px}
.foot p{color:var(--mid);font:400 11px 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase}
@media(min-width:840px){.foot{padding:44px 36px}}

/* ---------- get-this sheet ---------- */
.sheet{
  position:fixed;inset:0;z-index:120;
  background:rgba(0,0,0,.7);
  display:none;align-items:flex-end;justify-content:center;
  opacity:0;transition:opacity .25s var(--ease);
}
.sheet.open{display:flex;opacity:1}
.sheet-card{
  width:100%;max-width:480px;
  background:var(--bg);border:1px solid var(--line-strong);border-bottom:0;
  border-radius:18px 18px 0 0;
  padding:28px 24px calc(28px + env(safe-area-inset-bottom));
  transform:translateY(20px);transition:transform .3s var(--ease);
}
.sheet.open .sheet-card{transform:translateY(0)}
@media(min-width:640px){
  .sheet{align-items:center}
  .sheet-card{border-radius:18px;border-bottom:1px solid var(--line-strong);padding:32px}
}
.sheet h3{font-size:22px;font-weight:500;letter-spacing:-.02em;margin-bottom:6px}
.sheet p.s-sub{color:var(--mid);font-size:14px;margin-bottom:22px}
.sheet .s-row{display:flex;flex-direction:column;gap:10px}
.sheet a.opt{
  display:flex;align-items:center;gap:14px;
  height:52px;padding:0 18px;border:1px solid var(--line);border-radius:10px;
  font-size:14px;font-weight:500;
  transition:all .2s var(--ease);
}
.sheet a.opt:hover{border-color:var(--ink);background:var(--bg-2)}
.sheet a.opt svg{width:18px;height:18px;fill:currentColor;color:var(--mid)}
.sheet a.opt span{color:var(--mid);font:500 10.5px 'IBM Plex Mono',monospace;letter-spacing:.06em;text-transform:uppercase;margin-left:auto}
.sheet .s-close{
  margin-top:16px;width:100%;height:44px;border:1px solid var(--line);border-radius:10px;
  color:var(--mid);font:500 11px 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase;
}
.sheet .s-close:hover{color:var(--ink)}

/* ---------- tiny entrance animation ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}