/* =============================================================
   base.css — Reset, base element styles, layout primitives,
   typography scale, and utility classes used site-wide.
   ============================================================= */

/* ── Reset ────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--f-body);
  background: var(--stone-50);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ── Layout ───────────────────────────────────────────────────── */
.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 100px 0;
}

.section-tight {
  padding: 64px 0;
}

/* ── Type scale ───────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--f-display);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h1 { font-size: clamp(48px, 6.5vw, 92px); font-weight: 600; }
h2 { font-size: clamp(36px, 4.2vw, 60px); font-weight: 600; }
h3 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 500; }
h4 { font-size: 20px; font-weight: 600; letter-spacing: 0; }

em { font-style: italic; }
h1 em, h2 em, h3 em { color: var(--bronze); }

.lede {
  font-size: clamp(17px, 1.6vw, 20px);
  color: var(--slate-500);
  line-height: 1.6;
}

/* ── Kicker label ─────────────────────────────────────────────── */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 18px;
}

.kicker::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--bronze);
  flex-shrink: 0;
}

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: var(--r-sm);
  font-family: var(--f-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  border: 1.5px solid transparent;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.btn-dark {
  background: var(--slate-900);
  color: #fff;
}
.btn-dark:hover {
  background: var(--slate-800);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(17, 24, 32, 0.28);
}

.btn-bronze {
  background: var(--bronze);
  color: #fff;
  border-color: var(--bronze);
}
.btn-bronze:hover {
  background: var(--bronze-l);
  border-color: var(--bronze-l);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(156, 107, 46, 0.32);
}

.btn-ghost {
  background: transparent;
  color: var(--slate-800);
  border-color: var(--slate-800);
}
.btn-ghost:hover {
  background: var(--slate-900);
  color: #fff;
  border-color: var(--slate-900);
}

.btn-ghost-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-ghost-white:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

.arrow {
  transition: transform 0.18s ease;
  display: inline-block;
}
.btn:hover .arrow {
  transform: translateX(4px);
}

/* ── Scroll reveal utility ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.d1 { transition-delay: 0.08s; }
.d2 { transition-delay: 0.16s; }
.d3 { transition-delay: 0.24s; }
.d4 { transition-delay: 0.32s; }

/* ── Badge utility ────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
}
.badge-g { background: var(--green-l);   color: var(--green); }
.badge-a { background: var(--bronze-bg); color: var(--bronze); }
.badge-r { background: var(--red-l);     color: var(--red); }