/* MATS hi-fi site — light-first warm paper palette with optional dark hero blocks */
@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Archivo:wght@400;500;600;700;800&family=Instrument+Serif:ital@0;1&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --paper: #f4f0e8;
  --paper-2: #ebe5d8;
  --paper-3: #dfd8c7;
  --ink: #1a1715;
  --ink-2: #3a332e;
  --ink-3: #6b6259;
  --mat: #d94b1e;
  --mat-deep: #b03810;
  --line: #1a1715;
  --shadow: 0 1px 0 rgba(0,0,0,0.06);
  --display: 'Archivo Black', ui-sans-serif, system-ui, sans-serif;
  --sans: 'Archivo', ui-sans-serif, system-ui, sans-serif;
  --serif: 'Instrument Serif', ui-serif, Georgia, serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}
[data-theme="dark"] {
  --paper: #0e0c0b;
  --paper-2: #16130f;
  --paper-3: #211c17;
  --ink: #f3ece0;
  --ink-2: #d6cdbe;
  --ink-3: #9a9084;
  --line: #2a241e;
}

* { box-sizing: border-box; }
body.site { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
.site a { color: inherit; text-decoration: none; }

.site .wrap { max-width: 1440px; margin: 0 auto; padding: 0 32px; }
.site .rule { border: 0; border-top: 1px solid var(--line); margin: 0; }
.site .mono { font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; }
.site .serif { font-family: var(--serif); font-style: italic; font-weight: 400; }
.site .display { font-family: var(--display); letter-spacing: -0.02em; line-height: 0.9; text-transform: uppercase; }

/* Buttons */
.site .btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 18px; border-radius: 2px; font-weight: 600; font-size: 13px; border: 1.5px solid var(--ink); background: var(--paper); color: var(--ink); cursor: pointer; transition: transform 0.08s, background 0.15s; }
.site .btn:hover { transform: translate(-1px, -1px); box-shadow: 2px 2px 0 var(--ink); }
.site .btn-primary { background: var(--ink); color: var(--paper); }
.site .btn-primary:hover { box-shadow: 2px 2px 0 var(--mat); }
.site .btn-mat { background: var(--mat); color: #fff; border-color: var(--mat-deep); }
.site .btn-mat:hover { box-shadow: 2px 2px 0 var(--ink); }
.site .btn-ghost { background: transparent; border-color: currentColor; }

/* Nav */
.site .nav { position: sticky; top: 0; z-index: 50; background: var(--paper); border-bottom: 1px solid var(--line); }
.site .nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 32px; }
.site .nav-links { display: flex; gap: 22px; font-size: 13px; font-weight: 500; }
.site .nav-links a { padding: 6px 0; border-bottom: 1.5px solid transparent; }
.site .nav-links a:hover { border-bottom-color: var(--mat); }
.site .nav-right { display: flex; align-items: center; gap: 12px; }
.site .lang { display: inline-flex; align-items: center; gap: 2px; font-family: var(--mono); font-size: 11px; border: 1px solid var(--line); border-radius: 2px; padding: 2px; }
.site .lang button { border: 0; background: transparent; padding: 3px 8px; cursor: pointer; color: var(--ink-3); font-family: inherit; font-size: inherit; }
.site .lang button.on { background: var(--ink); color: var(--paper); }

/* Logo */
.site .logo { font-family: var(--display); font-size: 22px; letter-spacing: -0.02em; color: var(--ink); }
.site .logo .dot { color: currentColor; }

/* Tags / chips */
.site .tag { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 10px; padding: 4px 8px; border: 1px solid var(--line); border-radius: 99px; }
.site .tag .dot { width: 6px; height: 6px; border-radius: 99px; background: var(--mat); display: inline-block; }
.site .tag .dot-live { animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

/* Image frames with grainy fallback */
.site .img { position: relative; overflow: hidden; background: var(--paper-2); border: 1px solid var(--line); }
.site .img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.site .img::after { content: ''; position: absolute; inset: 0; pointer-events: none; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120' opacity='0.5'><filter id='n'><feTurbulence baseFrequency='0.9'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.15'/></svg>"); mix-blend-mode: multiply; opacity: 0.4; }
[data-theme="dark"] .site .img::after { mix-blend-mode: screen; opacity: 0.15; }

/* Tatami pattern — subtle woven mat texture */
.site .tatami {
  background-color: var(--paper-2);
  background-image:
    repeating-linear-gradient(0deg, rgba(0,0,0,0.04) 0 1px, transparent 1px 8px),
    repeating-linear-gradient(90deg, rgba(0,0,0,0.04) 0 1px, transparent 1px 8px);
}

/* Marquee */
.site .marquee { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--ink); color: var(--paper); padding: 14px 0; }
.site .marquee-track { display: inline-flex; gap: 48px; white-space: nowrap; animation: scroll 32s linear infinite; font-family: var(--display); font-size: 22px; letter-spacing: -0.01em; }
.site .marquee-track span::after { content: '●'; color: var(--mat); margin-left: 48px; }
@keyframes scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Section headers */
.site .sec-head { display: flex; justify-content: space-between; align-items: flex-end; padding: 40px 0 24px; border-bottom: 1px solid var(--line); margin-bottom: 32px; }
.site .sec-head .l { display: flex; align-items: center; gap: 16px; }
.site .sec-head .num { font-family: var(--display); font-size: 36px; color: var(--ink-3); }
.site .sec-head h2 { font-family: var(--display); font-size: 44px; margin: 0; letter-spacing: -0.02em; }

/* Footer */
.site .footer { background: var(--ink); color: var(--paper); padding: 60px 32px 32px; }
.site .footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.site .footer h4 { font-family: var(--mono); font-size: 11px; opacity: 0.6; margin: 0 0 12px; letter-spacing: 0.08em; }
.site .footer ul { list-style: none; padding: 0; margin: 0; font-size: 14px; line-height: 1.9; }
.site .footer .bottom { display: flex; justify-content: space-between; margin-top: 48px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); font-family: var(--mono); font-size: 10px; opacity: 0.5; }

/* Focus mode artboard containers — scrollable frames */
.artboard-frame {
  width: 1280px;
  height: 1600px;
  overflow: hidden auto;
  background: var(--paper);
  border: 1px solid #ccc;
}
.artboard-frame::-webkit-scrollbar { width: 8px; }
.artboard-frame::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.2); border-radius: 4px; }

/* Intro card above canvas */
.intro-card {
  padding: 22px 32px; background: var(--paper); border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 32px; align-items: flex-start;
}
.intro-card h1 { font-family: var(--display); font-size: 22px; margin: 0 0 6px; }
.intro-card p { margin: 0; font-size: 13px; line-height: 1.5; color: var(--ink-2); max-width: 640px; }
.intro-card .meta { font-family: var(--mono); font-size: 10px; color: var(--ink-3); display: flex; gap: 14px; }

/* Utility */
.site .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.site .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.site .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }