/* =========================================================
   VENTARA — DESIGN TOKENS
   Shared across all landing-page variants.
   Source of truth for color, type, spacing, glass.
   ========================================================= */

/* Guarantee the HTML `hidden` attribute hides an element no matter
   what later `display: …` rules a class adds. Some component CSS
   (e.g. `.form-success { display:flex }`) would otherwise win. */
[hidden] { display: none !important; }

:root {
  /* Twilight scale — deep night to mist */
  --ink-950: #050B14;
  --ink-900: #07101C;
  --ink-800: #0E1B2D;
  --ink-700: #14253B;
  --ink-600: #1E3450;
  --ink-500: #345070;
  --ink-400: #5C7796;
  --ink-300: #9FB1C6;
  --ink-200: #C8D2DE;
  --ink-100: #E3E8EE;
  --ink-50:  #F2F5F8;

  /* Warm paper / stone neutrals */
  --paper:   #F2EEE6;
  --paper-2: #E8E1D3;
  --stone:   #C9C0AE;
  --bone:    #FBF9F4;

  /* Accent — warm amber signal */
  --amber:   #E29A55;
  --amber-2: #D3823B;
  --amber-3: #F3C089;
  --amber-4: #FFE0BD;
  --ember:   #B86A2E;

  /* Semantic */
  --signal:  oklch(72% 0.14 60);
  --ok:      oklch(70% 0.12 160);
  --warn:    oklch(75% 0.14 75);
  --hot:     #E29A55;

  /* Typography */
  --serif:   "Instrument Serif", "Cormorant Garamond", "Times New Roman", serif;
  --sans:    "Geist", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:    "Geist Mono", "JetBrains Mono", ui-monospace, monospace;

  /* Spacing */
  --gutter: clamp(16px, 2.4vw, 40px);
  --col: 1480px;
  --col-wide: 1680px;
  --radius-s: 6px;
  --radius-m: 14px;
  --radius-l: 22px;
  --radius-xl: 32px;

  /* Glass */
  --glass-bg: rgba(255,255,255,0.08);
  --glass-bg-dark: rgba(10,18,30,0.35);
  --glass-stroke: rgba(255,255,255,0.18);
  --glass-stroke-dark: rgba(255,255,255,0.10);

  /* Shadow */
  --shadow-soft: 0 30px 60px -30px rgba(0,0,0,0.45);
  --shadow-glass: 0 1px 0 rgba(255,255,255,0.10) inset, 0 30px 60px -30px rgba(0,0,0,0.45);
  --shadow-amber: 0 20px 60px -20px rgba(226,154,85,0.4);

  /* Easing */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink-800);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-weight: 400;
  line-height: 1.5;
  font-feature-settings: "ss01", "cv11";
  overflow-x: hidden;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

::selection { background: var(--amber); color: var(--ink-900); }

/* ---------- Typography ---------- */
.display {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 0.92;
  text-wrap: balance;
  font-feature-settings: "ss01";
}
.eyebrow {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  color: var(--ink-400);
}
.eyebrow.on-dark { color: var(--ink-200); }
.label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.lead {
  font-size: clamp(18px, 1.7vw, 26px);
  line-height: 1.5;
  color: var(--ink-600);
  text-wrap: pretty;
  max-width: 60ch;
}
.lead.on-dark { color: var(--ink-200); }
.tiny { font-size: 13px; color: var(--ink-500); }

/* ---------- Layout ---------- */
.page {
  max-width: var(--col);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.page.wide { max-width: var(--col-wide); }

.section {
  padding: clamp(96px, 11vw, 200px) 0;
  position: relative;
  width: 100%;
  max-width: 100%;
}
.section.dark {
  background: var(--ink-900);
  color: var(--ink-100);
}
.section.ink {
  background: var(--ink-950);
  color: var(--ink-100);
}
.section.paper { background: var(--paper); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 48px; padding: 0 22px;
  border-radius: 999px;
  font-family: var(--sans); font-size: 14px; font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 200ms var(--ease-out), background 200ms var(--ease-out), border-color 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn .arrow { transition: transform 250ms var(--ease-out); }
.btn:hover .arrow { transform: translateX(4px); }

.btn-primary { background: var(--ink-900); color: var(--bone); }
.btn-primary:hover { background: var(--ink-700); }

.btn-amber { background: var(--amber); color: var(--ink-900); box-shadow: var(--shadow-amber); }
.btn-amber:hover { background: var(--amber-2); }

.btn-ghost { background: transparent; color: var(--ink-800); border-color: rgba(20,37,59,0.20); }
.btn-ghost:hover { border-color: var(--ink-800); }

.btn-glass {
  background: rgba(255,255,255,0.10);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid rgba(255,255,255,0.22);
  color: var(--bone);
}
.btn-glass:hover { background: rgba(255,255,255,0.18); }

.btn-lg { height: 60px; padding: 0 32px; font-size: 16px; }
.btn-sm { height: 38px; padding: 0 16px; font-size: 13px; }

/* ---------- Pills / Badges ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px; font-weight: 500;
  background: rgba(20,37,59,0.06);
  border: 1px solid rgba(20,37,59,0.10);
  color: var(--ink-700);
}
.pill-glass {
  background: rgba(255,255,255,0.10);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid rgba(255,255,255,0.22);
  color: var(--bone);
}
.pill-amber {
  background: rgba(226,154,85,0.14);
  border: 1px solid rgba(226,154,85,0.38);
  color: var(--ember);
}
.pill-dark {
  background: rgba(7,16,28,0.45);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--bone);
}
.dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
}
.dot.live {
  background: #5CE0A5;
  box-shadow: 0 0 0 0 rgba(92,224,165,0.7);
  animation: pulse-live 2s var(--ease-out) infinite;
}
@keyframes pulse-live {
  0% { box-shadow: 0 0 0 0 rgba(92,224,165,0.7); }
  70% { box-shadow: 0 0 0 8px rgba(92,224,165,0); }
  100% { box-shadow: 0 0 0 0 rgba(92,224,165,0); }
}

/* ---------- Glass cards ---------- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--glass-stroke);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-glass);
  color: var(--bone);
}
.glass-dark {
  background: var(--glass-bg-dark);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid var(--glass-stroke-dark);
  border-radius: var(--radius-l);
  color: var(--bone);
}

/* ---------- Logo lockup ---------- */
.lockup { display: inline-flex; align-items: center; gap: 12px; }
.lockup svg { display: block; flex-shrink: 0; }
.lockup .word {
  font-family: "Inter", var(--sans);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.035em;
  line-height: 1;
  text-transform: lowercase;
}
.lockup .word sup {
  font-size: 0.55em;
  font-weight: 500;
  vertical-align: super;
  letter-spacing: 0;
  margin-left: 1px;
  opacity: 0.7;
}

/* ---------- Top nav (shared) ---------- */
.topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px var(--gutter);
  transition: background 300ms var(--ease-out), backdrop-filter 300ms var(--ease-out), border-color 300ms var(--ease-out);
  border-bottom: 1px solid transparent;
}
.topnav.on-dark { color: var(--bone); }
.topnav.scrolled {
  background: rgba(7,16,28,0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: rgba(255,255,255,0.06);
}
.topnav.scrolled.on-paper {
  background: rgba(242,238,230,0.85);
  border-bottom-color: rgba(20,37,59,0.08);
}
.topnav .inner {
  max-width: var(--col-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.topnav .links {
  display: flex; gap: 32px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.topnav .links a {
  color: inherit;
  opacity: 0.78;
  transition: opacity 200ms var(--ease-out);
}
.topnav .links a:hover { opacity: 1; }
.topnav .nav-tools { display: flex; align-items: center; gap: 14px; }

.lang-toggle {
  display: inline-flex;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  padding: 3px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}
.topnav.on-paper .lang-toggle { border-color: rgba(20,37,59,0.18); }
.lang-toggle button {
  background: transparent;
  border: 0;
  padding: 5px 14px;
  border-radius: 999px;
  color: inherit;
  opacity: 0.6;
  transition: all 200ms var(--ease-out);
}
.lang-toggle button[aria-pressed="true"] {
  background: var(--amber);
  color: var(--ink-900);
  opacity: 1;
}

@media (max-width: 860px) {
  .topnav .links { display: none; }
}

/* ---------- Utility ---------- */
.row { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.stack { display: grid; gap: 16px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
@media (max-width: 900px) {
  .two-col, .three-col { grid-template-columns: 1fr; }
}

.hair { height: 1px; background: rgba(20,37,59,0.10); width: 100%; }
.section.dark .hair, .section.ink .hair { background: rgba(255,255,255,0.08); }

.center { text-align: center; }
.mt-xl { margin-top: clamp(48px, 6vw, 96px); }
.mt-lg { margin-top: clamp(32px, 4vw, 64px); }
.mt-md { margin-top: clamp(20px, 2.5vw, 36px); }