/* ============================================================
   Aurai marketing site — shared layout
   ============================================================ */

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }

/* ---------- Layout primitives ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 96px 0;
}
.section-tight { padding: 64px 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: 8px;
  border: none;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 150ms ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--aurai-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--aurai-primary-active); color: #fff; }
.btn-secondary {
  background: var(--aurai-canvas);
  color: var(--aurai-ink);
  border: 1px solid var(--aurai-hairline);
}
.btn-secondary:hover { background: var(--aurai-surface-card); color: var(--aurai-ink); }
.btn-on-dark {
  background: rgba(250,249,245,0.92);
  color: #0a1a0f;
}
.btn-on-dark:hover { background: #fff; color: #0a1a0f; }
.btn-ghost-on-dark {
  background: transparent;
  color: var(--aurai-on-dark);
  border: 1px solid rgba(250,249,245,0.2);
}
.btn-ghost-on-dark:hover { background: rgba(250,249,245,0.06); color: var(--aurai-on-dark); }
.btn-sm { height: 36px; padding: 0 16px; font-size: 13px; }

/* ---------- Pill / tag ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border-radius: 9999px;
  background: var(--aurai-surface-card);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--aurai-ink);
}
.pill-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--aurai-success); }
.pill-on-dark {
  background: var(--aurai-surface-dark-elevated);
  color: var(--aurai-on-dark-soft);
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--aurai-muted);
}
.eyebrow-coral { color: var(--aurai-primary); }
.eyebrow-on-dark { color: var(--aurai-on-dark-soft); }

/* ---------- Typography helpers ---------- */
.display-xl { font-family: var(--font-display); font-weight: 400; font-size: clamp(48px, 7vw, 88px); line-height: 1.02; letter-spacing: -2px; color: var(--aurai-ink); margin: 0; }
.display-lg { font-family: var(--font-display); font-weight: 400; font-size: clamp(40px, 5vw, 64px); line-height: 1.05; letter-spacing: -1.5px; color: var(--aurai-ink); margin: 0; }
.display-md { font-family: var(--font-display); font-weight: 400; font-size: clamp(32px, 3.4vw, 48px); line-height: 1.1; letter-spacing: -1px; color: var(--aurai-ink); margin: 0; }
.display-sm { font-family: var(--font-display); font-weight: 400; font-size: clamp(26px, 2.4vw, 36px); line-height: 1.15; letter-spacing: -0.5px; color: var(--aurai-ink); margin: 0; }

.lede { font-size: 19px; line-height: 1.55; color: var(--aurai-body-strong); margin: 0; }
.muted { color: var(--aurai-muted); }

/* ---------- Top nav ---------- */
.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 72px;
  background: rgba(10,26,15,0.92);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--aurai-hairline);
}
.topnav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}
.topnav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.topnav .brand:hover { text-decoration: none; }
.topnav .brand-mark { color: var(--aurai-primary); }
.topnav .brand-name {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: -0.4px;
  color: var(--aurai-ink);
}
.topnav .nav-links {
  display: flex;
  gap: 28px;
  margin-left: 16px;
}
.topnav .nav-links a {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--aurai-body-strong);
  text-decoration: none;
}
.topnav .nav-links a:hover { color: var(--aurai-ink); text-decoration: none; }
.topnav .nav-links a.active { color: var(--aurai-ink); }
.topnav .nav-links a.active::after {
  content: "";
  display: block;
  margin-top: 4px;
  height: 2px;
  background: var(--aurai-primary);
  border-radius: 1px;
}
.topnav .nav-cta {
  margin-left: auto;
  display: flex;
  gap: 14px;
  align-items: center;
}
.topnav .nav-cta a.signin {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--aurai-ink);
  text-decoration: none;
}
.topnav .nav-cta a.signin:hover { text-decoration: none; }

/* ---------- Footer ---------- */
.footer {
  background: var(--aurai-surface-dark);
  color: var(--aurai-on-dark-soft);
  padding: 80px 0 36px;
}
.footer .footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 64px;
}
.footer .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--aurai-on-dark);
  text-decoration: none;
  margin-bottom: 18px;
}
.footer .brand-name {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: -0.4px;
  color: var(--aurai-on-dark);
}
.footer .footer-blurb {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--aurai-on-dark-soft);
  max-width: 280px;
}
.footer-col-title {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--aurai-on-dark-soft);
  margin-bottom: 18px;
}
.footer-col-links { display: flex; flex-direction: column; gap: 10px; }
.footer-col-links a {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--aurai-on-dark);
  text-decoration: none;
}
.footer-col-links a:hover { text-decoration: underline; text-underline-offset: 3px; color: var(--aurai-on-dark); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--aurai-surface-dark-elevated);
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--aurai-on-dark-soft);
}
.footer-bottom .legal { display: flex; gap: 24px; }
.footer-bottom .legal a { color: var(--aurai-on-dark-soft); text-decoration: none; }
.footer-bottom .legal a:hover { color: var(--aurai-on-dark); }

/* ---------- Page title band (shared by inner pages) ---------- */
.page-head {
  padding: 80px 0 56px;
  border-bottom: 1px solid var(--aurai-hairline);
}
.page-head .eyebrow { margin-bottom: 18px; display: inline-block; }
.page-head h1 { max-width: 880px; margin-bottom: 18px; }
.page-head .lede { max-width: 640px; }

/* ---------- Cards ---------- */
.card-cream {
  background: var(--aurai-surface-card);
  border-radius: 12px;
  padding: 32px;
}
.card-bordered {
  background: var(--aurai-canvas);
  border: 1px solid var(--aurai-hairline);
  border-radius: 12px;
  padding: 28px;
}
.card-dark {
  background: var(--aurai-surface-dark);
  color: var(--aurai-on-dark);
  border-radius: 12px;
  padding: 28px;
}

/* ---------- Coral callout ---------- */
.coral-callout {
  background: var(--aurai-primary);
  border-radius: 16px;
  padding: 72px 56px;
  color: #fff;
}
.coral-callout h2 { color: #fff; }
.coral-callout p { color: rgba(255,255,255,0.88); }

/* ---------- Image slot defaults ---------- */
image-slot {
  display: block;
  border-radius: 12px;
  overflow: hidden;
}

/* ---------- Form ---------- */
.input, .textarea {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--aurai-hairline);
  background: var(--aurai-surface-card);
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--aurai-ink);
  outline: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}
.input:focus, .textarea:focus {
  border-color: var(--aurai-primary);
  box-shadow: 0 0 0 3px rgba(26,71,42,0.15);
}
.input.error, .textarea.error {
  border-color: var(--aurai-error);
  box-shadow: 0 0 0 3px rgba(198,69,69,0.12);
}
.textarea { min-height: 130px; resize: vertical; }
.label {
  display: block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--aurai-body-strong);
  margin-bottom: 8px;
}
.field-error {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--aurai-error);
  margin-top: 6px;
  min-height: 14px;
}

/* ---------- Subtle utility ---------- */
.divider {
  height: 1px;
  background: var(--aurai-hairline);
  border: 0;
  margin: 0;
}

/* ---------- Spike marks ---------- */
.spike-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.spike {
  width: 12px;
  height: 12px;
  color: var(--aurai-primary);
  flex: 0 0 12px;
}

/* ---------- Live status row ---------- */
.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--aurai-accent-teal);
  box-shadow: 0 0 0 0 rgba(93,184,166,0.5);
  animation: livePulse 2s ease-out infinite;
  display: inline-block;
}
@keyframes livePulse {
  0% { box-shadow: 0 0 0 0 rgba(93,184,166,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(93,184,166,0); }
  100% { box-shadow: 0 0 0 0 rgba(93,184,166,0); }
}

/* ---------- Reveal on scroll (used sparingly) ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.fade-in.in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Tabs ---------- */
.tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: var(--aurai-surface-card);
  border-radius: 9999px;
}
.tab {
  padding: 8px 16px;
  border-radius: 9999px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--aurai-body);
  cursor: pointer;
  border: none;
  background: transparent;
}
.tab.active {
  background: rgba(45,106,79,0.22);
  color: var(--aurai-ink);
  box-shadow: inset 0 0 0 1px rgba(45,106,79,0.35);
}

/* ---------- Stats row ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--aurai-hairline);
  border-bottom: 1px solid var(--aurai-hairline);
}
.stats > div {
  padding: 32px 28px;
  border-right: 1px solid var(--aurai-hairline);
}
.stats > div:last-child { border-right: 0; }
.stat-num {
  font-family: var(--font-display);
  font-size: 52px;
  line-height: 1;
  letter-spacing: -1px;
  color: var(--aurai-ink);
  margin-bottom: 8px;
}
.stat-label {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--aurai-muted);
  letter-spacing: 0.3px;
}

@media (max-width: 900px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats > div:nth-child(2) { border-right: 0; }
  .stats > div:nth-child(1), .stats > div:nth-child(2) { border-bottom: 1px solid var(--aurai-hairline); }
  .footer .footer-top { grid-template-columns: 1fr 1fr; }
  .topnav .nav-links { display: none; }
}