*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

:root {
  --bg: #fbfaf8;
  --bg-sunk: #f4f1ec;
  --ink: #1c1b19;
  --ink-soft: #524d45;
  --muted: #8b877f;
  --line: #e7e3dc;
  --line-strong: #d8d3ca;
  --card: #ffffff;
  --accent: #b6472b;
  --accent-hover: #a03d24;
  --accent-weak: #f3e4dd;
  --accent-ink: #ffffff;
  --ok: #2d7a3a;

  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 2px rgba(28, 24, 20, .06), 0 1px 1px rgba(28, 24, 20, .04);
  --shadow-md: 0 4px 12px rgba(28, 24, 20, .08), 0 2px 4px rgba(28, 24, 20, .05);
  --shadow-lg: 0 24px 60px rgba(20, 16, 12, .22), 0 6px 16px rgba(20, 16, 12, .12);

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;

  --ease: cubic-bezier(.22, 1, .36, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;
    --bg-sunk: #100f0d;
    --ink: #ece9e3;
    --ink-soft: #c3bfb6;
    --muted: #8a857c;
    --line: #302d28;
    --line-strong: #3d392f;
    --card: #201f1c;
    --accent: #e0764f;
    --accent-hover: #e9835f;
    --accent-weak: #2f2019;
    --accent-ink: #1a1512;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
    --shadow-md: 0 4px 14px rgba(0, 0, 0, .5);
    --shadow-lg: 0 24px 60px rgba(0, 0, 0, .6), 0 6px 16px rgba(0, 0, 0, .4);
  }
}

html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  font-feature-settings: "cv05" 1, "cv08" 1, "ss01" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
img { display: block; max-width: 100%; }

h1, h2, h3, h4 { letter-spacing: -0.018em; line-height: 1.15; text-wrap: balance; }

::selection { background: color-mix(in srgb, var(--accent) 22%, transparent); }

:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 60%, transparent);
  outline-offset: 2px;
  border-radius: 3px;
}

* { scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 6px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

.btn {
  font: 500 14px/1 var(--sans);
  letter-spacing: -0.01em;
  color: var(--accent-ink);
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: var(--radius-sm);
  padding: 10px 17px;
  cursor: pointer;
  transition: transform .12s var(--ease), box-shadow .16s var(--ease), background .14s, opacity .12s;
  white-space: nowrap;
}
.btn:hover { box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn:disabled { opacity: .32; cursor: not-allowed; transform: none; box-shadow: none; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn.ghost:hover { background: color-mix(in srgb, var(--ink) 6%, transparent); border-color: var(--ink); }
.btn.accent { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.accent:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.link {
  font: inherit;
  color: var(--muted);
  background: none;
  border: 0;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color .12s;
}
.link:hover { color: var(--ink); }

.dim { color: var(--muted); }