/* ContaBilè — design tokens */
:root {
  /* dark mode (default) */
  --bg: #07090E;
  --bg-2: #0E1624;
  --bg-3: #141B2B;
  --surface: rgba(255,255,255,0.04);
  --surface-2: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --text: #F5F2EC;
  --text-muted: #8892A6;
  --text-dim: #5A6278;
  --accent: #5EB88A;        /* emerald */
  --accent-2: #8FD7B0;
  --accent-deep: #2F7D55;
  --accent-contrast: #0A0A0A;
  --danger: #E86B5B;
  --ok: #7FC99A;

  /* typography */
  --font-display: 'Instrument Serif', 'Cormorant Garamond', serif;
  --font-sans: 'Geist', ui-sans-serif, -apple-system, system-ui, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', monospace;

  /* radii */
  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;
  --r-2xl: 48px;

  /* shadows */
  --glow-gold: 0 0 60px rgba(94, 184, 138, 0.25);
  --ring: 0 0 0 1px var(--border);

  /* layout */
  --max: 1280px;
  --gutter: 32px;

  /* motion */
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

[data-theme="light"] {
  --bg: #F5F2EC;
  --bg-2: #EEE9DF;
  --bg-3: #E4DDCE;
  --surface: rgba(0,0,0,0.03);
  --surface-2: rgba(0,0,0,0.05);
  --border: rgba(0,0,0,0.08);
  --border-strong: rgba(0,0,0,0.14);
  --text: #1A1F2E;
  --text-muted: #5A6278;
  --text-dim: #8892A6;
  --accent-contrast: #0A0A0A;
}

[data-accent="blue"]    { --accent:#5B8EF2; --accent-2:#8DB3FF; --accent-deep:#2D5BB8; }
[data-accent="emerald"] { --accent:#5EB88A; --accent-2:#8FD7B0; --accent-deep:#2F7D55; }
[data-accent="red"]     { --accent:#E05B4B; --accent-2:#F08273; --accent-deep:#A3362A; }
[data-accent="mono"]    { --accent:#F5F2EC; --accent-2:#FFFFFF; --accent-deep:#8892A6; --accent-contrast:#0A0A0A; }

[data-type="editorial"] { --font-display: 'Instrument Serif', serif; --font-sans: 'Geist', sans-serif; }
[data-type="neutral"]   { --font-display: 'Geist', sans-serif; --font-sans: 'Geist', sans-serif; }
[data-type="classic"]   { --font-display: 'Cormorant Garamond', serif; --font-sans: 'Inter', sans-serif; }

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01","cv11";
}
body { min-height: 100vh; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { max-width: 100%; display: block; }

/* typography */
.display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 0.95;
  font-style: italic;
}
.sans-display {
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.98;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
}
.mono { font-family: var(--font-mono); }

/* layout */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
section { padding: 140px 0; position: relative; }
@media (max-width: 820px) {
  section { padding: 96px 0; }
  :root { --gutter: 20px; }
}
@media (max-width: 560px) {
  section { padding: 80px 0; }
  :root { --gutter: 16px; }
}

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: -0.01em;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--accent-contrast); }
.btn-primary:hover { transform: translateY(-1px); background: var(--accent-2); }
.btn-ghost { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--border-strong); }
.btn-arrow::after { content: "→"; transition: transform .25s var(--ease); }
.btn-arrow:hover::after { transform: translateX(4px); }

/* nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px var(--gutter);
  display: flex; justify-content: center;
  transition: backdrop-filter .25s, background .25s;
}
.nav { justify-content: flex-start; padding-left: calc(var(--gutter) + 4vw); padding-right: var(--gutter); }
.nav-inner {
  width: 100%; max-width: calc(var(--max) + 80px);
  display: flex; align-items: center; justify-content: space-between;
  gap: 40px;
}
.nav-left { display: flex; align-items: center; gap: 40px; }
.nav.scrolled {
  backdrop-filter: blur(20px) saturate(150%);
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.nav-logo img { height: 32px; width: auto; filter: var(--bull-filter, none); }
[data-theme="dark"] { --bull-filter: brightness(0) invert(1); }
[data-theme="light"] { --bull-filter: none; }
.nav-links { display: flex; gap: 28px; font-size: 14px; }
.nav-links a { color: var(--text-muted); transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.nav-cta .btn { padding: 10px 18px; font-size: 14px; }
.nav-menu-btn {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  align-items: center;
  justify-content: center;
  font-size: 19px;
  line-height: 1;
}
.mobile-nav {
  display: none;
  position: absolute;
  right: var(--gutter);
  top: calc(100% + 10px);
  width: min(320px, calc(100vw - (var(--gutter) * 2)));
  padding: 14px;
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: blur(24px);
  box-shadow: 0 22px 48px rgba(0,0,0,0.42);
  opacity: 0;
  transform: translateX(16px);
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.mobile-nav a {
  display: block;
  padding: 12px 10px;
  border-radius: 10px;
  color: var(--text);
  font-size: 15px;
}
.mobile-nav a.active,
.mobile-nav a:hover { background: var(--surface-2); }
.mobile-nav .btn {
  margin-top: 8px;
  width: 100%;
  justify-content: center;
  padding: 11px 16px;
}
@media (max-width: 1100px) {
  .nav { padding-left: var(--gutter); }
  .nav-inner { gap: 20px; }
  .nav-left { gap: 20px; }
}
@media (max-width: 820px) {
  .nav { padding-top: 14px; padding-bottom: 14px; }
  .nav-logo { font-size: 19px; }
  .nav-logo img { height: 28px; }
  .nav-links { display: none; }
  .nav-cta .btn { padding: 9px 14px; font-size: 13px; }
  .nav-menu-btn { display: inline-flex; }
  .mobile-nav { display: block; }
  .nav.mobile-open .mobile-nav {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
  }
}
@media (max-width: 560px) {
  .nav-cta .btn-ghost { display: none; }
  .nav-cta .btn { padding: 8px 12px; font-size: 12px; }
}

/* footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 80px 0 40px;
  background: var(--bg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}
.footer-col h4 {
  font-size: 12px; text-transform: uppercase; letter-spacing: .16em;
  color: var(--text-muted); font-weight: 500; margin: 0 0 18px;
  font-family: var(--font-mono);
}
.footer-col a {
  display: block; color: var(--text); font-size: 14px;
  padding: 6px 0; opacity: .75; transition: opacity .2s;
}
.footer-col a:hover { opacity: 1; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 32px; border-top: 1px solid var(--border);
  color: var(--text-muted); font-size: 12px;
  font-family: var(--font-mono);
}
@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .footer { padding: 64px 0 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; margin-bottom: 40px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* cards */
.glass {
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
[data-theme="light"] .glass {
  background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,255,255,0.5));
}

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }

/* gradient glow */
.hero-glow {
  position: absolute; pointer-events: none;
  width: 1200px; height: 1200px;
  left: 50%; top: 40%;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, color-mix(in oklab, var(--accent) 35%, transparent), transparent 70%);
  filter: blur(20px);
  opacity: calc(var(--bull-intensity, 1) * 0.55);
  z-index: 0;
}

/* marquee */
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee { display: flex; gap: 80px; animation: marquee 40s linear infinite; white-space: nowrap; }

/* utility */
.row { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.grid { display: grid; gap: 24px; }
.stack { display: flex; flex-direction: column; gap: 16px; }
.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }
.text-accent { color: var(--accent); }
.divider { height: 1px; background: var(--border); margin: 40px 0; }

/* pill */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border: 1px solid var(--border);
  border-radius: 999px; font-size: 12px; color: var(--text-muted);
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .12em;
}
.pill .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; }