/* ══════════════════════════════════════════════════════════════════
   AlphaForge — site-wide styles
   Built on Terra (Clay brand). Imports colors_and_type.css.
   ══════════════════════════════════════════════════════════════════ */

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

html, body {
  background: var(--oat-100);
  color: var(--oat-500);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.45;
  letter-spacing: 0.015em;
  font-feature-settings: "ss02" on, "ss06" on, "ss10" on;
}

a { color: inherit; text-decoration: none; }
a:focus-visible {
  outline: 2px solid var(--tangerine-300);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
}
.container-narrow {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 48px);
}

/* ── Eyebrow ─────────────────────────── */
.eyebrow {
  font-family: var(--font-mono);
  font-weight: 550;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--oat-400);
  display: inline-block;
}
.eyebrow-accent { color: var(--tangerine-300); }

/* ══ Announcement banner ═══════════════ */
.banner {
  background: var(--oat-500);
  color: var(--oat-100);
  text-align: center;
  padding: 12px 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.banner strong { color: var(--tangerine-300); font-weight: 550; }
.banner a {
  color: var(--oat-100);
  text-decoration: underline;
  text-decoration-color: var(--tangerine-300);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  margin-left: 8px;
}
.banner a:hover { color: var(--tangerine-200); }

/* ══ Nav ═══════════════════════════════ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(254, 253, 251, 0.85);
  border-bottom: 1px solid var(--grey-line-2);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.brand-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 575;
  font-size: 20px;
  letter-spacing: -0.025em;
  color: var(--oat-500);
}
.brand-mark img { height: 22px; width: auto; }
.brand-mark .sep {
  color: var(--oat-300);
  font-weight: 400;
  margin: 0 -2px;
}
.brand-mark .af {
  color: var(--oat-500);
}
.brand-mark .af em { font-style: normal; color: var(--tangerine-300); }

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
  font-size: 15px;
  font-family: var(--font-display);
}
.nav-links a {
  color: var(--oat-500);
  opacity: 0.72;
  transition: opacity 120ms;
}
.nav-links a:hover { opacity: 1; }
.nav-links a.active { opacity: 1; }
.nav-links a.active::after {
  content: "";
  display: block;
  height: 2px;
  margin-top: 4px;
  background: var(--tangerine-300);
  border-radius: 999px;
}

.nav-cta { display: flex; gap: 10px; align-items: center; }

/* ── Buttons (chip + CTA) ────────────── */
.btn-chip {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  line-height: 1;
  letter-spacing: -0.01em;
  padding: 12px 20px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  border: 0;
  background: var(--oat-500);
  color: var(--oat-100);
  transition: background 120ms, transform 120ms;
}
.btn-chip:hover { background: #000; }
.btn-chip:active { transform: scale(0.98); }
.btn-chip-tangerine {
  background: var(--tangerine-300);
  color: var(--tangerine-500);
}
.btn-chip-tangerine:hover { background: var(--tangerine-400); color: var(--tangerine-100); }
.btn-chip-ghost {
  background: transparent;
  color: var(--oat-500);
}
.btn-chip-ghost:hover { background: var(--oat-200); }

.cta {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 0.96;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  border: 0;
  text-decoration: none;
  transition: background 160ms, transform 120ms, color 160ms;
}
.cta:active { transform: scale(0.98); }
.cta-floating {
  background: var(--tangerine-300);
  color: var(--tangerine-500);
  border-radius: 999px;
  padding: 18px 28px;
}
.cta-floating:hover { background: var(--tangerine-400); color: var(--tangerine-100); }
.cta-floating .word { font-size: 22px; }
.cta-floating .arrow { width: 18px; height: 16px; }

.cta-floating-ink {
  background: var(--oat-500);
  color: var(--oat-100);
  border-radius: 999px;
  padding: 18px 28px;
}
.cta-floating-ink:hover { background: #000; }
.cta-floating-ink .word { font-size: 22px; }
.cta-floating-ink .arrow { width: 18px; height: 16px; }

.cta-floating-alt {
  background: var(--oat-200);
  color: var(--oat-500);
  border-radius: 999px;
  padding: 18px 28px;
}
.cta-floating-alt:hover { background: var(--oat-300); }
.cta-floating-alt .word { font-size: 22px; }
.cta-floating-alt .arrow { width: 18px; height: 16px; }

.cta-text { align-items: center; }
.cta-text .word {
  font-size: 20px;
  padding-bottom: 4px;
  position: relative;
}
.cta-text .word::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  border-radius: 999px;
  background: var(--tangerine-300);
}
.cta-text .arrow { width: 16px; height: 14px; }

/* ── Type helpers ────────────────────── */
.t-display {
  font-family: var(--font-display);
  font-weight: 575;
  letter-spacing: -0.04em;
  line-height: 0.92;
  font-feature-settings: "ss01" on, "ss10" on, "ss11" on;
  text-wrap: balance;
  color: var(--oat-500);
}
.t-h2-display {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 0.96;
  font-feature-settings: "ss01" on, "ss10" on, "ss11" on;
  text-wrap: balance;
  color: var(--oat-500);
}
.t-h3-display {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.02;
  font-feature-settings: "ss01" on, "ss10" on, "ss11" on;
  text-wrap: balance;
  color: var(--oat-500);
}
em.t-accent { font-style: normal; color: var(--tangerine-300); }

/* ── Footer ──────────────────────────── */
.foot {
  background: var(--oat-500);
  color: var(--oat-100);
  padding: 80px 0 32px;
  margin-top: 0;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
}
.foot-brand img { height: 28px; width: auto; display: block; margin-bottom: 18px; }
.foot-brand .af-mark {
  font-family: var(--font-display);
  font-weight: 575;
  font-size: 24px;
  letter-spacing: -0.025em;
  margin-bottom: 6px;
}
.foot-brand .af-mark em { font-style: normal; color: var(--tangerine-300); }
.foot-tag {
  font-size: 14px;
  opacity: 0.65;
  line-height: 1.5;
  max-width: 320px;
  margin-top: 14px;
}
.foot h5 {
  font-family: var(--font-mono);
  font-weight: 550;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #999;
  margin: 0 0 16px;
}
.foot ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.foot ul a {
  font-size: 14px;
  opacity: 0.78;
  font-family: var(--font-display);
  transition: opacity 120ms;
}
.foot ul a:hover { opacity: 1; }
.foot-legal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: #999;
  text-transform: uppercase;
}

/* ── Common section CTA (dark) ──────── */
.cta-section {
  background: var(--oat-500);
  color: var(--oat-100);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 {
  font-family: var(--font-display);
  font-weight: 575;
  font-size: clamp(48px, 7vw, 112px);
  letter-spacing: -0.04em;
  line-height: 0.92;
  font-feature-settings: "ss01" on, "ss10" on, "ss11" on;
  text-wrap: balance;
  color: var(--oat-100);
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.cta-section h2 em {
  font-style: normal;
  color: var(--tangerine-300);
}
.cta-section .sub {
  font-family: var(--font-display);
  font-size: clamp(18px, 1.5vw, 20px);
  opacity: 0.72;
  margin: 28px auto 44px;
  max-width: 540px;
  text-align: center;
  line-height: 1.4;
}
.cta-section .cta-row {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-section .guarantee {
  display: block;
  margin-top: 32px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #888;
  text-align: center;
}
.cta-section .bg-tile {
  position: absolute;
  right: -120px;
  bottom: -120px;
  width: 480px;
  opacity: 0.12;
  pointer-events: none;
  z-index: 1;
}

/* ── Responsive ──────────────────────── */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .foot-legal { flex-direction: column; gap: 12px; }
}
@media (max-width: 560px) {
  .foot-grid { grid-template-columns: 1fr; }
  .banner { font-size: 12px; }
}