/* ==========================================================================
   METAIAM — shared site styles
   Values are copied from the homepage (index.html). See METAIAM_homepage_design_spec.md.
   Used by: products/metaid.html and every new page.
   NOTE: index.html still carries its own inline copy of these rules. Keep them in sync,
   or move the homepage onto this file once the homepage is frozen.
   ========================================================================== */

:root{
  --bg:#02060d;
  --ink:#f4f7fb;
  --ink-2:#d6dce5;
  --ink-3:#9fb0c4;
  --line:#8290a2;
  --accent:#6fb6ff;
  --btn-ink:#17345b;
  /* Placeholder typeface — replace with the Figma typeface when confirmed (one change updates every page). */
  --font:"Outfit",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;

  --hp-bg:#02060d;
  --hp-white:#f4f7fb;
  --hp-muted:#9eabbc;
  --hp-line:rgba(220,232,247,.15);
  --hp-blue:#78bfff;
  --hp-amber:#ffb27a;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- header — fixed, site-wide ---------- */
.site-header{position:fixed;z-index:50;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:28px 4.7%;transition:padding .35s}
.site-header:before{content:"";position:absolute;inset:0;z-index:-1;opacity:0;pointer-events:none;background:rgba(2,6,13,.78);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,232,247,.09);transition:opacity .35s}
.site-header.solid{padding-top:16px;padding-bottom:16px}
.site-header.solid:before{opacity:1}
.brand{display:flex;align-items:center;line-height:0}
.brand .logo{height:24px;width:auto;display:block}
.hd-right{display:flex;align-items:center;gap:36px}
.nav{display:flex;align-items:center;gap:40px;font-size:14px;font-weight:300;color:#dfe8f4}
.nav a{white-space:nowrap;transition:color .2s}
.nav a:hover,.nav a[aria-current="page"]{color:#fff}
.lang{position:relative}
.lang-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border-radius:50%;border:1px solid var(--line);background:none;color:#dfe8f4;cursor:pointer;transition:border-color .2s,background-color .2s,color .2s}
.lang-btn svg{width:18px;height:18px;display:block}
.lang-btn:hover,.lang-btn[aria-expanded="true"]{border-color:#cfd8e4;background:rgba(255,255,255,.05);color:#fff}
.lang-menu{position:absolute;right:0;top:calc(100% + 12px);min-width:112px;margin:0;padding:6px;list-style:none;background:rgba(6,14,26,.94);border:1px solid rgba(220,232,247,.16);border-radius:12px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .2s,transform .2s,visibility .2s}
.lang-menu.open{opacity:1;visibility:visible;transform:none}
.lang-opt{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;padding:9px 12px;border:0;border-radius:8px;background:none;color:#dfe8f4;font:300 14px/1 var(--font);letter-spacing:.06em;cursor:pointer;text-align:left}
.lang-opt:hover{background:rgba(255,255,255,.06);color:#fff}
.lang-opt svg{width:14px;height:14px;color:var(--accent)}
.menu-btn{display:none;background:none;border:0;padding:8px;margin:-8px;color:var(--ink);cursor:pointer}
.menu-btn svg{display:block;width:24px;height:24px}
.menu-btn .m-close,.menu-btn[aria-expanded="true"] .m-open{display:none}
.menu-btn[aria-expanded="true"] .m-close{display:inline}
.site-header{animation:fade 1.1s ease .15s both}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* ---------- buttons ---------- */
.buttons{display:flex;flex-wrap:wrap;gap:18px;margin-top:40px}
.btn{display:inline-flex;align-items:center;gap:12px;padding:14px 26px;border-radius:26px;border:1px solid var(--line);font-size:14px;font-weight:400;transition:background-color .2s,border-color .2s,transform .2s}
.btn svg{width:15px;height:15px}
.btn:hover{border-color:#cfd8e4;background:rgba(255,255,255,.05)}
.btn.primary{background:var(--ink);color:var(--btn-ink);border-color:var(--ink)}
.btn.primary:hover{background:#fff}

/* ---------- type scale: one rule for every section ----------
   T1 section title · T2 subtitle · T3 mono label.
   Image sections use container units (cqw); text sections use the same numbers in vw. */
.hp{background:var(--hp-bg);color:var(--hp-white);overflow:hidden}
.hp h2,.hp h3,.hp p{margin:0}
.hp,.shot-frame{--t1:calc(var(--u,1vw)*3.3);--t2:calc(var(--u,1vw)*1.7)}
.t1{font-weight:300;letter-spacing:-.025em;line-height:1.06;font-size:var(--t1);color:#f4f7fb;text-wrap:balance}
.t2{font-weight:300;line-height:1.35;font-size:max(15px,var(--t2));color:#dbe3ee}
.t2 em{font-style:normal;font-weight:500;color:#fff}
.t3{font:400 11px/1.5 var(--mono);letter-spacing:.22em;text-transform:uppercase}
.sub{margin-top:calc(var(--t1)*.34)}

/* Human / Object / Space tag vocabulary */
.lab{display:inline-flex;align-items:center;gap:10px}
.lab:before{content:"";width:8px;height:8px;border:1px solid currentColor;flex:none}
.lab--h{color:#ffb27a}
.lab--c{color:#9fd0ff}

/* meta readout (mono, top-left of a point-cloud stage) */
.pc-meta{position:absolute;font:11px/1.6 var(--mono);letter-spacing:.06em;color:#7fa6cf;opacity:.85;pointer-events:none}
.pc-meta b{font-weight:400;color:#c4defa}

/* ---------- reveal (only when JS is present) ---------- */
.js .rv{opacity:0;transform:translateY(14px);transition:opacity 1s cubic-bezier(.2,.7,.2,1),transform 1s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
.js .rv.in{opacity:1;transform:none}

/* ---------- footer ---------- */
.hp-footer{padding:44px 5vw 38px;border-top:1px solid var(--hp-line);display:flex;justify-content:space-between;align-items:center;gap:24px;color:#7f8ea0;font-size:13px}
.hp-footer-r{display:flex;align-items:center;gap:36px}
.hp-footer-links{display:flex;gap:28px}
.hp-footer a{transition:color .2s}.hp-footer-links a:hover{color:#eef5fd}
.hp-footer-contact{border:1px solid var(--line);border-radius:24px;padding:9px 21px;color:#dfe8f4;font-weight:300;transition:border-color .2s,background-color .2s}
.hp-footer-contact:hover{border-color:#cfd8e4;background:rgba(255,255,255,.04);color:#fff}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .nav{gap:22px}
  .hd-right{gap:22px}
}
@media (max-width:899px){
  .hp,.shot-frame{--t1:clamp(34px,9.6vw,56px);--t2:clamp(17px,4.6vw,24px)}
  .hp-footer{flex-direction:column;gap:26px;align-items:flex-start;padding-left:6vw;padding-right:6vw}
  .hp-footer-r{flex-direction:column;align-items:flex-start;gap:22px}
  .hp-footer-links{flex-wrap:wrap;gap:14px 24px}
}
@media (max-width:760px){
  .site-header{padding:max(18px,env(safe-area-inset-top)) 22px 16px}
  .site-header.solid{padding-top:max(12px,env(safe-area-inset-top));padding-bottom:12px}
  .hd-right{gap:14px}
  .brand .logo{height:19px}
  .menu-btn{display:block}
  .nav{position:fixed;inset:0;z-index:-1;flex-direction:column;justify-content:center;gap:30px;font-size:22px;
       background:rgba(2,6,13,.94);backdrop-filter:blur(8px);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
  .nav.open{opacity:1;visibility:visible}
  .buttons{gap:12px;margin-top:30px}
  .btn{padding:13px 22px}
}
@media (prefers-reduced-motion:reduce){
  .site-header{animation:none}
}