/* ============================================================
   base.css — Reset, typography, layout primitives, buttons, forms
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
  overflow-x: hidden;
  transition: background-color .6s ease, color .6s ease;
  font-size: var(--fs-body);
  line-height: 1.55;
}

::selection { background: var(--accent); color: var(--bg); }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img, svg { display: block; max-width: 100%; }
hr { border: none; border-top: 1px solid var(--line); margin: 0; }

/* -------- Layout -------- */
.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; }
@media (max-width: 720px) { .wrap { padding: 0 20px; } }
@media (min-width: 1400px) {
  .wrap { max-width: 1320px; padding: 0 48px; }
}

.section { position: relative; padding: var(--space-section) 0; }
@media (max-width: 720px) {
  .section { padding: var(--space-section-sm) 0; }
}

/* -------- Type -------- */
h1, h2, h3, h4 {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 0.96;
  margin: 0;
  font-variation-settings: "wdth" 100;
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); letter-spacing: -0.045em; }
h2 { font-size: var(--fs-h2); letter-spacing: -0.035em; }
h3 { font-size: var(--fs-h3); }
p { line-height: 1.55; text-wrap: pretty; }

.serif-it {
  font-style: italic;
  font-family: 'Instrument Serif', 'Bricolage Grotesque', serif;
  font-weight: 400;
}

/* -------- Eyebrow -------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: color-mix(in oklab, var(--card) 60%, transparent);
  backdrop-filter: blur(8px);
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 25%, transparent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.7; }
}

/* -------- Buttons -------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  background: var(--ink);
  color: var(--bg);
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -10px color-mix(in oklab, var(--ink) 40%, transparent);
}
.btn .arrow { transition: transform .25s ease; display: inline-block; }
.btn:hover .arrow { transform: translate(3px, -3px); }

.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { background: var(--card); }

.btn.accent { background: var(--accent); color: #fff; }

/* -------- Forms -------- */
input, textarea, select {
  font-family: inherit;
  font-size: 16px;
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
  width: 100%;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 18%, transparent);
}

/* -------- Utilities -------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.stack { display: flex; flex-direction: column; gap: 16px; }
.row   { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

.tag {
  display: inline-block;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: color-mix(in oklab, var(--accent) 14%, var(--card));
  color: var(--ink);
  border: 1px solid color-mix(in oklab, var(--accent) 25%, var(--line));
  letter-spacing: 0.02em;
}

.mono { font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace; }