/* AtPigeon marketing site — shared styles */

:root {
  --teal: #116466;
  --teal-deep: #0E5253;
  --teal-soft: #DDEEED;
  --tan: #D9B08C;
  --tan-soft: #F2E2CD;
  --tan-deep: #8A6320;
  --ink: #1B2426;
  --ink-2: #3A4548;
  --mute: #6B7679;
  --hair: #E7E4DC;
  --bg: #FBFAF7;
  --panel: #FFFFFF;
  --warm: #F3F1EB;
  --code: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ── Layout ────────────────────────────────────────────────────── */
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.wrap-narrow { max-width: 880px; margin: 0 auto; padding: 0 32px; }

/* ── Header ────────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 250, 247, 0.85);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--hair);
}
.site-header .row {
  display: flex; align-items: center; gap: 32px;
  height: 68px;
}
.site-header .logo { display: flex; align-items: center; }
.site-header .nav-desktop {
  display: flex; gap: 28px; flex: 1;
}
.site-header .nav-desktop a {
  font-size: 14px; color: var(--ink-2); font-weight: 500;
  position: relative; padding: 4px 0;
  transition: color 0.15s;
}
.site-header .nav-desktop a:hover { color: var(--teal); }
.site-header .nav-desktop a.active { color: var(--ink); font-weight: 600; }
.site-header .nav-desktop a.active::after {
  content: ''; position: absolute; bottom: -24px; left: 0; right: 0;
  height: 2px; background: var(--teal);
}
.site-header .right { display: flex; align-items: center; gap: 12px; }

/* Lang dropdown */
.lang-dd { position: relative; }
.lang-trigger {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 10px 7px 10px; border: 1px solid var(--hair);
  border-radius: 8px; background: var(--panel);
  font-size: 12px; font-weight: 600; color: var(--ink);
  letter-spacing: 0.04em;
  transition: border-color 0.15s, background 0.15s;
}
.lang-trigger:hover { border-color: #D5D1C8; background: var(--warm); }
.lang-trigger-glyph { color: var(--teal); font-size: 14px; line-height: 1; }
.lang-trigger-caret { font-size: 10px; color: var(--mute); transition: transform 0.15s; }
.lang-dd.open .lang-trigger-caret { transform: rotate(180deg); }
.lang-menu {
  position: absolute; top: calc(100% + 6px); right: 0;
  min-width: 160px; padding: 6px;
  background: var(--panel); border: 1px solid var(--hair); border-radius: 10px;
  box-shadow: 0 12px 32px rgba(20,30,30,0.10);
  display: none; flex-direction: column; gap: 2px;
  z-index: 60;
}
.lang-dd.open .lang-menu { display: flex; }
.lang-opt {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 10px; border: none; background: transparent;
  font-family: inherit; text-align: left;
  border-radius: 6px; color: var(--ink); font-size: 13px; font-weight: 500;
}
.lang-opt:hover { background: var(--warm); }
.lang-opt.active { background: var(--tan-soft); color: var(--teal); font-weight: 600; }
.lang-short { font-family: var(--code); font-size: 11px; font-weight: 700; color: var(--mute); letter-spacing: 0.05em; min-width: 22px; }
.lang-opt.active .lang-short { color: var(--teal); }

/* Hamburger */
.hamburger {
  display: none; width: 36px; height: 36px;
  border: 1px solid var(--hair); border-radius: 8px; background: var(--panel);
  flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  padding: 0;
}
.hamburger span {
  display: block; width: 16px; height: 1.5px; background: var(--ink);
  transition: transform 0.2s, opacity 0.15s;
}
.hamburger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed; inset: 68px 0 0 0; z-index: 49;
  background: var(--bg);
  flex-direction: column; padding: 32px 24px;
  gap: 4px;
  overflow-y: auto;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 14px 16px; border-radius: 10px;
  font-size: 18px; font-weight: 500; color: var(--ink);
}
.nav-mobile a.active { background: var(--tan-soft); color: var(--teal); font-weight: 600; }
.nav-mobile-cta {
  margin-top: 24px; padding-top: 24px;
  border-top: 1px solid var(--hair);
  display: flex; flex-direction: column; gap: 10px;
}
.nav-mobile-cta .btn { width: 100%; justify-content: center; padding: 14px 18px; font-size: 15px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 10px;
  font-size: 14px; font-weight: 600; border: none;
  transition: transform 0.12s, box-shadow 0.12s, background 0.12s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--teal); color: #fff;
  box-shadow: 0 1px 2px rgba(17,100,102,0.18), inset 0 1px 0 rgba(255,255,255,0.12);
}
.btn-primary:hover { background: var(--teal-deep); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(17,100,102,0.22); }
.btn-ghost {
  background: transparent; color: var(--ink); border: 1px solid var(--hair);
}
.btn-ghost:hover { background: var(--panel); border-color: #D5D1C8; }
.btn-tan {
  background: var(--tan); color: var(--ink);
  box-shadow: 0 1px 2px rgba(138,99,32,0.18);
}
.btn-tan:hover { background: #CFA67E; }
.btn-lg { padding: 14px 24px; font-size: 15px; border-radius: 12px; }
.btn-sm { padding: 7px 12px; font-size: 12px; border-radius: 7px; }

/* Eyebrow / kicker */
.eyebrow {
  display: inline-block;
  font-size: 11px; font-weight: 600; color: var(--teal);
  letter-spacing: 0.14em; text-transform: uppercase;
}

/* Display type */
.display-1 {
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 600; line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--ink);
}
.display-2 {
  font-size: clamp(32px, 4.4vw, 56px);
  font-weight: 600; line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.display-3 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 600; line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.lead {
  font-size: 18px; color: var(--ink-2); line-height: 1.6;
  max-width: 600px;
}
.lead-lg { font-size: 20px; line-height: 1.55; }

/* Mono code chip */
.code-chip {
  display: inline-block;
  font-family: var(--code);
  font-size: 0.92em;
  background: var(--warm);
  padding: 2px 8px;
  border-radius: 5px;
  color: var(--ink);
  border: 1px solid var(--hair);
}

/* Section */
.section { padding: 96px 0; }
.section-tight { padding: 72px 0; }
.section-bg {
  background: linear-gradient(180deg, var(--bg) 0%, var(--warm) 100%);
}
.section-dark {
  background: var(--ink); color: #E7E4DC;
}
.section-dark .display-2, .section-dark .display-3 { color: #fff; }

.section-head { margin-bottom: 56px; max-width: 720px; }
.section-head .eyebrow { margin-bottom: 14px; }
.section-head .lead { color: var(--ink-2); }

/* Cards */
.card {
  background: var(--panel);
  border: 1px solid var(--hair);
  border-radius: 16px;
  padding: 28px;
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover { border-color: #D5D1C8; }

/* ── Footer ────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--hair);
  background: var(--warm);
  padding: 64px 0 32px;
  margin-top: 96px;
}
.site-footer .grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.site-footer h4 {
  font-size: 11px; font-weight: 700; color: var(--ink);
  letter-spacing: 0.1em; text-transform: uppercase;
  margin: 0 0 16px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer li a { font-size: 13px; color: var(--ink-2); }
.site-footer li a:hover { color: var(--teal); }
.site-footer .tagline { font-size: 13px; color: var(--mute); line-height: 1.6; margin-top: 14px; max-width: 240px; }
.site-footer .bottom {
  display: flex; align-items: center; gap: 16px;
  padding-top: 24px; border-top: 1px solid var(--hair);
  font-size: 12px; color: var(--mute);
}
.site-footer .bottom .spacer { flex: 1; }
.site-footer .bottom a { margin-left: 18px; }

/* Utility */
.muted { color: var(--mute); }
.ink2 { color: var(--ink-2); }
.teal { color: var(--teal); }
.mono { font-family: var(--code); }
.center { text-align: center; }
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .gap-24 { gap: 24px; } .gap-32 { gap: 32px; }
.ai-center { align-items: center; }
.jc-between { justify-content: space-between; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; }

/* Hero shimmer (subtle) */
@keyframes float-soft { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes pulse-soft { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

/* Decorative dotted bg */
.dot-bg {
  background-image: radial-gradient(rgba(27,36,38,0.08) 1px, transparent 1px);
  background-size: 22px 22px;
}

/* Responsive */
@media (max-width: 1080px) {
  .site-header .nav-desktop { display: none; }
  .hide-mobile { display: none !important; }
  .hamburger { display: inline-flex; }
  .section { padding: 64px 0; }
  .section-tight { padding: 48px 0; }
  .site-footer { padding: 48px 0 24px; margin-top: 64px; }
  .site-footer .grid { grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 40px; }
  .site-footer .bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
  .site-footer .bottom .spacer { display: none; }
  .wrap, .wrap-narrow { padding: 0 20px; }
  .display-1 { font-size: clamp(36px, 9vw, 56px); }
  .display-2 { font-size: clamp(28px, 7vw, 42px); }
  .display-3 { font-size: clamp(22px, 5vw, 28px); }
  .lead, .lead-lg { font-size: 16px; }
}
@media (max-width: 540px) {
  .site-footer .grid { grid-template-columns: 1fr; }
}