/* ============================================================
   FreeSize — Brand foundation (shared by website + CI guide)
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --font: "Hanken Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* brand */
  --teal: oklch(0.575 0.108 220);
  --teal-2: oklch(0.515 0.118 222);
  --teal-ink: #ffffff;
  --ink-900: oklch(0.245 0.025 258); /* deep brand navy */
  --ink-800: oklch(0.30 0.028 256);

  /* heatmap stops */
  --h0: oklch(0.72 0.09 224);
  --h1: oklch(0.76 0.12 192);
  --h2: oklch(0.81 0.14 142);
  --h3: oklch(0.85 0.15 96);
  --h4: oklch(0.77 0.17 58);
  --h5: oklch(0.66 0.21 28);
  --heat: linear-gradient(90deg, var(--h0), var(--h1), var(--h2), var(--h3), var(--h4), var(--h5));

  /* light surfaces */
  --bg: oklch(0.984 0.004 230);
  --bg-2: oklch(0.965 0.005 230);
  --surface: #ffffff;
  --surface-2: oklch(0.975 0.004 230);
  --surface-3: oklch(0.955 0.006 232);
  --border: oklch(0.912 0.006 235);
  --border-strong: oklch(0.86 0.008 235);
  --text: oklch(0.27 0.021 258);
  --text-2: oklch(0.44 0.018 258);
  --muted: oklch(0.565 0.015 258);
  --faint: oklch(0.70 0.012 258);

  --accent: var(--teal);
  --accent-2: var(--teal-2);
  --accent-soft: oklch(0.952 0.028 215);
  --accent-soft-2: oklch(0.93 0.04 215);
  --accent-border: oklch(0.84 0.055 215);
  --success: oklch(0.59 0.13 156);
  --danger: oklch(0.575 0.19 26);
  --warning: oklch(0.72 0.15 70);

  --r-sm: 8px; --r-md: 12px; --r-lg: 18px; --r-xl: 26px; --r-2xl: 34px;
  --shadow-sm: 0 1px 2px oklch(0.4 0.02 255 / 0.06), 0 1px 1px oklch(0.4 0.02 255 / 0.04);
  --shadow-md: 0 6px 22px oklch(0.4 0.03 255 / 0.09), 0 2px 6px oklch(0.4 0.02 255 / 0.05);
  --shadow-lg: 0 26px 70px oklch(0.35 0.03 255 / 0.16), 0 8px 24px oklch(0.35 0.02 255 / 0.08);

  --maxw: 1180px;
  --gut: clamp(20px, 5vw, 64px);

  --fs-hero: clamp(38px, 5.6vw, 74px);
  --fs-h1: clamp(30px, 3.6vw, 48px);
  --fs-h2: clamp(24px, 2.6vw, 34px);
  --fs-lead: clamp(17px, 1.5vw, 21px);
}

[data-theme="dark"] {
  --bg: oklch(0.165 0.014 255);
  --bg-2: oklch(0.135 0.014 257);
  --surface: oklch(0.205 0.016 255);
  --surface-2: oklch(0.235 0.017 255);
  --surface-3: oklch(0.282 0.018 255);
  --border: oklch(0.31 0.016 255);
  --border-strong: oklch(0.40 0.018 255);
  --text: oklch(0.95 0.008 250);
  --text-2: oklch(0.78 0.013 250);
  --muted: oklch(0.64 0.014 250);
  --faint: oklch(0.50 0.014 250);

  --accent: oklch(0.74 0.115 210);
  --accent-2: oklch(0.80 0.11 208);
  --accent-soft: oklch(0.30 0.055 218);
  --accent-soft-2: oklch(0.36 0.07 218);
  --accent-border: oklch(0.42 0.07 215);
  --teal-ink: oklch(0.16 0.02 240);
  --success: oklch(0.74 0.15 156);

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 8px 26px oklch(0 0 0 / 0.42);
  --shadow-lg: 0 30px 80px oklch(0 0 0 / 0.6);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font); color: var(--text); background: var(--bg);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  font-size: 16px; line-height: 1.55;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent-soft-2); }
h1, h2, h3, h4 { margin: 0; font-weight: 800; letter-spacing: -0.025em; line-height: 1.08; text-wrap: balance; }
p { margin: 0; }

.container { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gut); }
.mono { font-family: var(--mono); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent);
}

/* ---- Logo lockup (HTML) ---- */
.fz-logo { display: inline-flex; align-items: center; gap: 12px; }
.fz-mark { flex: none; border-radius: 26%; overflow: hidden; }
.fz-name { font-weight: 800; letter-spacing: -0.03em; line-height: 1; color: var(--text); }
.fz-name .lo { color: var(--accent); }
.fz-logo .sub { display: block; font-size: 0.42em; font-weight: 600; letter-spacing: 0.01em; color: var(--muted); margin-top: 3px; }

/* ---- Buttons ---- */
.b-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 50px; padding: 0 24px; border-radius: var(--r-md); cursor: pointer;
  font-family: var(--font); font-size: 16px; font-weight: 700; border: 1.5px solid var(--border);
  background: var(--surface); color: var(--text); transition: transform .06s, background .15s, border-color .15s, box-shadow .15s;
  white-space: nowrap;
}
.b-btn:hover { border-color: var(--border-strong); }
.b-btn:active { transform: translateY(1px); }
.b-btn.primary { background: var(--accent); border-color: transparent; color: var(--teal-ink); box-shadow: 0 6px 20px oklch(0.55 0.1 220 / .28); }
.b-btn.primary:hover { background: var(--accent-2); }
.b-btn.ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.b-btn.ghost:hover { background: var(--surface-3); color: var(--text); }
.b-btn.sm { height: 40px; font-size: 14px; padding: 0 16px; border-radius: var(--r-sm); }

.badge {
  display: inline-flex; align-items: center; gap: 8px; height: 32px; padding: 0 14px; border-radius: 30px;
  font-size: 13px; font-weight: 700; background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2);
}
.badge .dotcross { width: 13px; height: 13px; }

/* swiss cross mark */
.swiss { width: 18px; height: 18px; border-radius: 4px; background: #d52b1e; position: relative; flex: none; }
.swiss::before, .swiss::after { content: ""; position: absolute; background: #fff; border-radius: 1px; }
.swiss::before { width: 56%; height: 16%; left: 22%; top: 42%; }
.swiss::after { width: 16%; height: 56%; left: 42%; top: 22%; }

.heat-bar { height: 10px; border-radius: 6px; background: var(--heat); }