/* Yonaizu — shared stylesheet */

:root {
  --bg: #05080a;
  --bg-1: #070b0d;
  --bg-2: #0a1012;
  --line: rgba(94, 234, 212, 0.10);
  --line-strong: rgba(94, 234, 212, 0.22);
  --fg: #e7f3f1;
  --fg-dim: #8a9b99;
  --fg-mute: #465856;
  --teal: #06b6d4;
  --teal-bright: #22d3ee;
  --teal-deep: #0891b2;
  --danger: #f97066;

  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Menlo", monospace;

  --glitch: 1;      /* 0..1, overridden by tweaks */
  --density: 1;     /* 0.85..1.15 */
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-display);
  font-feature-settings: "ss01", "ss02";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(6,182,212,0.09), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(6,182,212,0.06), transparent 60%),
    var(--bg);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* ——— Typography ——— */
.mono { font-family: var(--font-mono); font-feature-settings: "zero","ss02"; letter-spacing: 0.02em; }
.micro { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.18em; color: var(--fg-dim); }
.tick::before { content: "▸ "; color: var(--teal); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.02em; line-height: 0.95; }
.display { font-weight: 400; font-size: clamp(56px, 10vw, 180px); letter-spacing: -0.045em; line-height: 0.88; }
.display-sm { font-weight: 400; font-size: clamp(40px, 6vw, 96px); letter-spacing: -0.035em; line-height: 0.9; }

/* ——— Chrome: meta bar + nav ——— */
.meta-bar {
  position: fixed; inset: 0 0 auto 0;
  display: grid; grid-template-columns: 1fr auto 1fr;
  padding: 14px 24px;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-dim);
  z-index: 40;
  pointer-events: none;
  mix-blend-mode: difference;
}
.meta-bar > :nth-child(1) { text-align: left; }
.meta-bar > :nth-child(2) { text-align: center; }
.meta-bar > :nth-child(3) { text-align: right; }
.meta-bar .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--teal-bright); display: inline-block; margin-right: 6px; box-shadow: 0 0 8px var(--teal); animation: pulse 2s infinite; vertical-align: 1px; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

nav.main {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 32px;
  z-index: 50;
  pointer-events: none;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
}
nav.main.scrolled {
  background: rgba(5, 8, 10, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
nav.main > * { pointer-events: auto; }
nav.main .brand {
  display: inline-flex; align-items: center; gap: 14px;
}
nav.main .brand .brand-icon {
  width: 38px; height: 38px; display: block;
  filter: drop-shadow(0 0 12px rgba(6,182,212,0.25));
  transition: filter 0.3s, transform 0.3s;
}
nav.main .brand .brand-wordmark {
  height: 18px; width: auto; display: block;
  opacity: 0.92; transition: opacity 0.3s;
}
nav.main .brand:hover .brand-icon { filter: drop-shadow(0 0 18px rgba(34,211,238,0.55)); transform: rotate(-4deg); }
nav.main .brand:hover .brand-wordmark { opacity: 1; }

nav.main ul { list-style: none; display: flex; gap: 28px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; }
nav.main ul a { position: relative; padding: 4px 0; color: var(--fg-dim); transition: color 0.2s; }
nav.main ul a:hover, nav.main ul a.active { color: var(--fg); }
nav.main ul a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px; background: var(--teal);
}

nav.main .cta {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 10px 16px; border: 1px solid var(--line-strong); color: var(--fg);
  transition: all 0.2s; display: flex; gap: 10px; align-items: center;
}
nav.main .cta:hover { background: var(--teal); color: #03080a; border-color: var(--teal); }

/* ——— Grid helpers ——— */
.container { max-width: 1440px; margin: 0 auto; padding: 0 32px; }
.section { padding: 120px 0; position: relative; }
.section-head {
  display: grid; grid-template-columns: 120px 1fr; gap: 64px; margin-bottom: 64px; align-items: end;
}
.section-head .num { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; color: var(--teal); text-transform: uppercase; padding-top: 6px; border-top: 1px solid var(--line-strong); }
.section-head h2 { font-size: clamp(44px, 6vw, 88px); }

/* ——— Footer ——— */
footer.site {
  border-top: 1px solid var(--line);
  padding: 64px 0 28px;
  margin-top: 80px;
}
footer.site .grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
}
footer.site h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--fg-dim); margin-bottom: 18px; font-weight: 400; }
footer.site ul { list-style: none; display: grid; gap: 8px; }
footer.site ul a { color: var(--fg); font-size: 14px; }
footer.site ul a:hover { color: var(--teal-bright); }
footer.site .footer-mark {
  margin-top: 80px;
  display: flex; justify-content: center;
  padding: 40px 0;
}
footer.site .footer-mark img {
  width: 100%; max-width: 720px; height: auto;
  opacity: 0.85;
  filter: drop-shadow(0 0 40px rgba(6,182,212,0.15));
}
footer.site .bottom {
  display: flex; justify-content: space-between; margin-top: 32px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-mute);
}

/* ——— Buttons & chips ——— */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 20px; font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.14em; text-transform: uppercase;
  border: 1px solid var(--line-strong); color: var(--fg);
  transition: all 0.25s;
}
.btn.primary { background: var(--teal); color: #03080a; border-color: var(--teal); }
.btn.primary:hover { background: var(--teal-bright); transform: translateY(-1px); }
.btn.ghost:hover { border-color: var(--teal); color: var(--teal-bright); }
.btn .arr { display: inline-block; transition: transform 0.25s; }
.btn:hover .arr { transform: translateX(4px); }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 5px 9px; border: 1px solid var(--line-strong); color: var(--fg-dim);
  border-radius: 2px;
}
.chip.teal { color: var(--teal-bright); border-color: rgba(34,211,238,0.35); }

/* ——— Scan lines / glitch base ——— */
.scan {
  position: relative;
}
.scan::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(to bottom, transparent 0 2px, rgba(255,255,255,0.012) 2px 3px);
  mix-blend-mode: overlay;
  opacity: calc(var(--glitch) * 0.8);
}

.glitch-text {
  position: relative; display: inline-block;
}
.glitch-text::before, .glitch-text::after {
  content: attr(data-text); position: absolute; left: 0; top: 0;
  pointer-events: none; opacity: calc(var(--glitch) * 0.6);
  mix-blend-mode: screen;
}
.glitch-text::before { color: var(--teal-bright); transform: translate(-1px, 0); clip-path: inset(0 0 55% 0); }
.glitch-text::after { color: #ff3b6b; transform: translate(1px, 0); clip-path: inset(55% 0 0 0); }
.glitch-text.active::before { animation: glitchA 2.4s steps(20) infinite; }
.glitch-text.active::after { animation: glitchB 2.9s steps(20) infinite; }
@keyframes glitchA {
  0%,92%,100% { transform: translate(0,0); clip-path: inset(0 0 60% 0); }
  93% { transform: translate(-2px,0); clip-path: inset(0 0 55% 0); }
  95% { transform: translate(2px,0); clip-path: inset(0 0 65% 0); }
  97% { transform: translate(-1px,0); clip-path: inset(0 0 58% 0); }
}
@keyframes glitchB {
  0%,92%,100% { transform: translate(0,0); clip-path: inset(55% 0 0 0); }
  93% { transform: translate(2px,0); clip-path: inset(50% 0 0 0); }
  95% { transform: translate(-2px,0); clip-path: inset(60% 0 0 0); }
  97% { transform: translate(1px,0); clip-path: inset(58% 0 0 0); }
}

/* ——— Utility ——— */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(.2,.6,.2,1); }
.reveal.in { opacity: 1; transform: none; }

.hr-dots { height: 1px; background-image: linear-gradient(90deg, var(--line-strong) 50%, transparent 50%); background-size: 8px 1px; border: 0; }

.corners {
  position: relative; padding: 28px;
}
.corners::before, .corners::after,
.corners > .c1, .corners > .c2 {
  content: ""; position: absolute; width: 10px; height: 10px; border: 1px solid var(--teal);
}
.corners::before { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.corners::after { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.corners > .c1 { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.corners > .c2 { bottom: 0; right: 0; border-left: 0; border-top: 0; }

/* tweaks panel */
.tweaks-panel {
  position: fixed; right: 24px; bottom: 24px; z-index: 100;
  width: 280px; padding: 16px; background: rgba(10,16,18,0.92); backdrop-filter: blur(12px);
  border: 1px solid var(--line-strong); color: var(--fg);
  font-family: var(--font-mono); font-size: 12px;
  display: none;
}
.tweaks-panel.show { display: block; }
.tweaks-panel h5 { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--teal-bright); margin-bottom: 12px; font-weight: 500; }
.tweaks-panel label { display: grid; gap: 6px; margin-bottom: 14px; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-dim); }
.tweaks-panel input[type=range] { width: 100%; accent-color: var(--teal); }
.tweaks-panel .seg { display: grid; grid-template-columns: repeat(3,1fr); gap: 4px; }
.tweaks-panel .seg button { padding: 8px; border: 1px solid var(--line-strong); color: var(--fg-dim); font-size: 10px; letter-spacing: 0.1em; }
.tweaks-panel .seg button.on { background: var(--teal); color: #03080a; border-color: var(--teal); }

@media (max-width: 880px) {
  nav.main { padding: 16px 20px; }
  nav.main ul { gap: 16px; font-size: 11px; }
  nav.main .cta { display: none; }
  .container { padding: 0 20px; }
  .section { padding: 80px 0; }
  .section-head { grid-template-columns: 1fr; gap: 20px; }
  footer.site .grid { grid-template-columns: 1fr 1fr; }
  .meta-bar { padding: 10px 16px; font-size: 10px; }
  .meta-bar > :nth-child(1) { grid-column: 1 / -1; text-align: left; }
  .meta-bar > :nth-child(2), .meta-bar > :nth-child(3) { display: none; }
}