/* ============================================================
   CoHaven — shared design tokens & base
   Deep teal-green brand · warm terracotta accent · paper ground
   Newsreader (display serif) + Hanken Grotesk (body) + JetBrains Mono
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:opsz,wght@6..72,400;6..72,500;6..72,600;6..72,700&family=Hanken+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Brand anchors */
  --teal-900: #12302d;
  --teal-800: #163b38;
  --teal-700: #1b4d4a;   /* primary brand */
  --teal-600: #266b65;
  --teal-500: #3a8a82;
  --teal-200: #bcd6d0;
  --teal-100: #d9e7e2;

  /* Warm accent */
  --clay-700: #a8512f;
  --clay-600: #c96f4c;   /* primary accent */
  --clay-500: #d98a4e;
  --clay-200: #f0d2bf;

  /* Supporting warm neutrals */
  --sand-300: #e7dcc8;
  --sand-200: #efe7d6;
  --sage-400: #7a9b8e;

  /* Paper grounds */
  --paper: #f6f2ea;
  --paper-2: #f1ece1;
  --card: #fdfbf6;
  --card-edge: #e7e0d2;

  /* Ink */
  --ink-900: #1c2b28;   /* headings */
  --ink-700: #38453f;   /* body */
  --ink-500: #5f6b64;   /* muted */
  --ink-300: #8e978f;   /* faint */

  /* Type */
  --serif: 'Newsreader', Georgia, serif;
  --sans: 'Hanken Grotesk', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Geometry */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 30px;
  --shadow-sm: 0 1px 2px rgba(28,43,40,.05), 0 2px 8px rgba(28,43,40,.04);
  --shadow-md: 0 4px 14px rgba(28,43,40,.07), 0 12px 34px rgba(28,43,40,.06);
  --shadow-lg: 0 18px 50px rgba(18,48,45,.14), 0 6px 18px rgba(18,48,45,.08);
  --maxw: 1200px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink-700);
  background: var(--paper);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Subtle paper grain on the body */
body.grain::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--ink-900);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
}
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 28px; }
.container-wide { max-width: 1320px; }
.section { position: relative; z-index: 2; }
.eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--clay-700);
  display: inline-flex; align-items: center; gap: 8px;
}
.eyebrow::before { content: ""; width: 18px; height: 1.5px; background: var(--clay-600); display: inline-block; }
.muted { color: var(--ink-500); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--sans); font-weight: 600; font-size: 16px;
  padding: 14px 22px; border-radius: 999px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
  white-space: nowrap; line-height: 1;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--teal-700); color: #fbfaf6; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--teal-800); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-accent { background: var(--clay-600); color: #fff; box-shadow: var(--shadow-sm); }
.btn-accent:hover { background: var(--clay-700); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: var(--ink-900); border-color: var(--card-edge); }
.btn-ghost:hover { border-color: var(--teal-600); color: var(--teal-700); background: rgba(38,107,101,.04); }
.btn-lg { padding: 17px 28px; font-size: 17px; }

/* ---------- Pills / chips ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13.5px; font-weight: 500;
  padding: 7px 13px; border-radius: 999px;
  background: var(--card); border: 1px solid var(--card-edge); color: var(--ink-700);
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal-500); }

/* ---------- Cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--paper) 84%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--card-edge); background: color-mix(in oklab, var(--paper) 92%, transparent); }
.nav-inner { display: flex; align-items: center; gap: 28px; height: 74px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--serif); font-size: 22px; font-weight: 600; color: var(--ink-900); letter-spacing: -.02em; }
.logo-mark { width: 34px; height: 34px; flex: none; }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.nav-links a { font-size: 15.5px; font-weight: 500; color: var(--ink-700); padding: 9px 13px; border-radius: 9px; transition: background .2s, color .2s; }
.nav-links a:hover { background: rgba(27,77,74,.06); color: var(--teal-700); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* hamburger toggle — hidden on desktop, shown ≤860 */
.nav-toggle {
  display: none; margin-left: auto; width: 44px; height: 44px; flex: none;
  border: 1px solid var(--card-edge); border-radius: 11px; background: var(--card);
  cursor: pointer; align-items: center; justify-content: center; padding: 0;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.nav-toggle:hover { border-color: var(--teal-200); }
.nav-toggle .bars { position: relative; width: 19px; height: 13px; }
.nav-toggle .bars span { position: absolute; left: 0; width: 100%; height: 2px; border-radius: 2px; background: var(--ink-900); transition: transform .26s var(--ease), opacity .2s var(--ease), top .26s var(--ease); }
.nav-toggle .bars span:nth-child(1) { top: 0; }
.nav-toggle .bars span:nth-child(2) { top: 5.5px; }
.nav-toggle .bars span:nth-child(3) { top: 11px; }
.nav-toggle[aria-expanded="true"] .bars span:nth-child(1) { top: 5.5px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bars span:nth-child(3) { top: 5.5px; transform: rotate(-45deg); }

/* slide-down mobile panel */
.nav-mobile {
  position: absolute; left: 0; right: 0; top: 100%;
  background: color-mix(in oklab, var(--paper) 96%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--card-edge); box-shadow: var(--shadow-md);
  padding: 10px 0 18px; display: none;
  opacity: 0; transform: translateY(-8px); visibility: hidden; pointer-events: none;
  transition: opacity .24s var(--ease), transform .24s var(--ease), visibility .24s;
}
.nav-mobile.open { opacity: 1; transform: none; visibility: visible; pointer-events: auto; }
.nav-mobile .container { display: flex; flex-direction: column; gap: 2px; }
.nav-mobile a.m-link { font-size: 17px; font-weight: 500; color: var(--ink-900); padding: 13px 6px; border-radius: 10px; border-bottom: 1px solid var(--card-edge); }
.nav-mobile a.m-link:last-of-type { border-bottom: none; }
.nav-mobile a.m-link:hover { color: var(--teal-700); }
.nav-mobile a.m-link[aria-current="page"] { color: var(--teal-700); font-weight: 600; }
.nav-mobile .m-cta { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.nav-mobile .m-cta .btn { width: 100%; justify-content: center; }

/* ---------- Logo mark (simple geometric: two overlapping roofs / shelter) ---------- */
.logo-mark .a { fill: var(--teal-700); }
.logo-mark .b { fill: var(--clay-600); }

/* ---------- Footer ---------- */
.footer { background: var(--teal-900); color: #cddbd6; position: relative; z-index: 2; }
.footer a { color: #cddbd6; }
.footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; padding: 72px 0 40px; }
.footer h5 { font-family: var(--sans); font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: #7fa39b; margin: 0 0 16px; font-weight: 600; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; font-size: 15px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 24px 0; display: flex; justify-content: space-between; gap: 20px; font-size: 13.5px; color: #7fa39b; flex-wrap: wrap; }
.footer .brand { color: #fff; }

/* ---------- Mockup frames ---------- */
.browser {
  border-radius: 16px; overflow: hidden;
  background: #fff; border: 1px solid rgba(28,43,40,.12);
  box-shadow: var(--shadow-lg);
}
.browser-bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; background: #efeae0; border-bottom: 1px solid rgba(28,43,40,.07); }
.browser-bar i { width: 11px; height: 11px; border-radius: 50%; background: #cfc7b8; display: block; }
.browser-bar .url { margin-left: 12px; font-family: var(--mono); font-size: 12px; color: var(--ink-500); background: #fff; padding: 5px 12px; border-radius: 7px; flex: 1; max-width: 320px; }
.phone {
  border-radius: 40px; padding: 11px; background: #1c2b28;
  box-shadow: var(--shadow-lg); position: relative;
}
.phone::before { content: ""; position: absolute; top: 22px; left: 50%; transform: translateX(-50%); width: 92px; height: 7px; border-radius: 99px; background: rgba(255,255,255,.14); z-index: 3; }
.phone-screen { border-radius: 30px; overflow: hidden; background: var(--paper); }

/* ---------- Image slot placeholder skin ---------- */
image-slot {
  --is-bg: repeating-linear-gradient(135deg, #ece5d6 0 11px, #e6dece 11px 22px);
  display: block; background: var(--is-bg);
}

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  body { font-size: 16px; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-mobile { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 720px) {
  .sb,
  .q-wrap {
    box-sizing: border-box;
    max-width: 100%;
    width: 100%;
  }

  .sb-grid > *,
  .q-wrap > * {
    box-sizing: border-box;
    min-width: 0;
    width: 100%;
  }

  .sb-nav,
  .q-nav {
    align-items: flex-start;
    flex-wrap: wrap;
    height: auto;
    padding-bottom: 12px;
    padding-top: 18px;
  }

  .sb-nav .sb-cta,
  .q-nav .sb-cta {
    flex-basis: 100%;
    margin-left: 0;
    width: 100%;
  }
}