/* ══════════════════════════════════════════════════════
   Sunbird Labs · site styles
   Brand system v1.0 · Cream ground · teal accents ·
   ink text · terracotta signal only.
   ══════════════════════════════════════════════════════ */

/* ─── Tokens ───────────────────────────────────────── */
:root {
  --ink: #0B1714;
  --deep: #0E2E2A;
  --teal: #14635A;
  --emerald: #1C8F7C;
  --flash: #C23A1F;
  --cream: #F4EFE6;
  --mist: #D9DCD4;
  --rule: #e4e0d5;
  --muted: #4a5450;
  --subtle: #8a948f;
  --display: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  --ease: cubic-bezier(0.2, 0.6, 0.2, 1);
}

/* ─── Base ─────────────────────────────────────────── */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--teal); color: var(--cream); }

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 56px; }
.prose { max-width: 640px; }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--deep);
  color: var(--cream);
  padding: 12px 18px;
  font-family: var(--mono);
  font-size: 12px;
  z-index: 100;
}
.skip:focus { left: 8px; top: 8px; }

/* ─── Navigation ───────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 239, 230, 0.88);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease);
}
.nav.scrolled { border-bottom-color: var(--rule); }
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.brand-wordmark {
  font-family: var(--display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.4px;
  color: var(--ink);
}
.brand-wordmark .dot { color: var(--teal); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}
.nav-links a:hover { color: var(--ink); border-bottom-color: var(--teal); }
.nav-links a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--flash); }

.pulse {
  width: 6px;
  height: 6px;
  background: var(--flash);
  border-radius: 3px;
  animation: pulse 2.4s ease-in-out infinite;
  flex: none;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ─── Type ─────────────────────────────────────────── */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 20px;
}
h1, h2, h3 {
  font-family: var(--display);
  font-weight: 500;
  color: var(--ink);
}
.page-title {
  font-size: clamp(40px, 6.5vw, 68px);
  letter-spacing: -0.04em;
  line-height: 1.0;
  margin: 0 0 28px;
  max-width: 16ch;
}
.page-title .accent { color: var(--flash); }
.hero h1 .accent { color: var(--flash); }
h2 {
  font-size: clamp(26px, 3.2vw, 32px);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 0 20px;
}
h3 {
  font-size: 20px;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 10px;
}
p { margin: 0 0 20px; }
p:last-child { margin-bottom: 0; }
.lede {
  font-family: var(--display);
  font-size: clamp(19px, 2.1vw, 24px);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.4;
  color: var(--ink);
  max-width: 620px;
}
.muted { color: var(--muted); }

a.text-link {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--mist);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}
a.text-link:hover { color: var(--flash); border-bottom-color: var(--flash); }

/* ─── Buttons ──────────────────────────────────────── */
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  padding: 13px 22px;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}
.btn-primary { background: var(--flash); color: var(--cream); }
.btn-primary:hover { background: #a52f18; }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--mist); }
.btn-secondary:hover { border-color: var(--teal); color: var(--teal); }

/* ─── Sections ─────────────────────────────────────── */
.hero { padding: 112px 0 96px; }
.hero-mark {
  display: inline-block;
  margin-bottom: 36px;
  opacity: 0;
  transform: translateY(8px);
  animation: rise 600ms var(--ease) forwards;
}
.hero h1 {
  opacity: 0;
  transform: translateY(12px);
  animation: rise 700ms var(--ease) 80ms forwards;
}
.hero .lede, .hero .btn-row {
  opacity: 0;
  transform: translateY(12px);
  animation: rise 700ms var(--ease) 160ms forwards;
}
.hero .btn-row { margin-top: 40px; animation-delay: 220ms; }
.home-hero h1 {
  font-size: clamp(52px, 8.4vw, 104px);
  letter-spacing: -0.045em;
  line-height: 0.94;
  max-width: 12ch;
  margin: 0 0 30px;
}

@keyframes rise { to { opacity: 1; transform: translateY(0); } }

.section { padding: 88px 0; border-top: 1px solid var(--rule); }
.section-head { margin-bottom: 44px; }
.section-head p { max-width: 560px; color: var(--muted); margin: 0; }

/* ─── Grids ────────────────────────────────────────── */
.cols-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 44px 40px;
}
.cols-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 44px 40px;
}
.item .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--teal);
  display: block;
  margin-bottom: 14px;
}
.item p { font-size: 15px; color: var(--muted); margin: 0; }

/* ─── Work cards ───────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.card {
  display: flex;
  flex-direction: column;
  background: #FBF8F2;
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 34px 32px 30px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease), background 180ms var(--ease);
}
a.card:hover {
  border-color: var(--teal);
  background: #fffdf8;
  transform: translateY(-2px);
}
.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 26px;
}
.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 2px;
  background: var(--deep);
  color: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.badge {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  padding: 5px 9px;
  border-radius: 2px;
  border: 1px solid var(--rule);
  color: var(--muted);
  white-space: nowrap;
}
.badge-soon { color: var(--flash); border-color: rgba(194, 58, 31, 0.35); }
.card h3 { margin-bottom: 8px; }
.card .kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 16px;
}
.card p { font-size: 15px; color: var(--muted); margin: 0 0 24px; }
.card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
}
.tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 4px 8px;
}
.card .go {
  margin-top: auto;
  font-family: var(--display);
  font-size: 14px;
  font-weight: 500;
  color: var(--teal);
}
a.card:hover .go { color: var(--flash); }

.card-empty {
  border-style: dashed;
  background: transparent;
  justify-content: center;
  align-items: flex-start;
  min-height: 220px;
}
.card-empty h3 { color: var(--muted); }
.card-empty p { margin-bottom: 0; }

/* ─── Callout strip ────────────────────────────────── */
.strip {
  background: var(--deep);
  color: var(--cream);
  border-radius: 2px;
  padding: 42px 44px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.strip h2 { color: var(--cream); margin: 0 0 8px; }
.strip p { color: #cfd8d3; margin: 0; max-width: 46ch; font-size: 15px; }
.strip .btn-primary { background: var(--flash); color: var(--cream); }

/* ─── Facts list ───────────────────────────────────── */
.facts {
  border-top: 1px solid var(--rule);
  margin-top: 8px;
}
.fact {
  display: flex;
  gap: 32px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.fact dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  width: 150px;
  flex: none;
}
.fact dd { margin: 0; font-size: 15px; color: var(--ink); }

/* ─── Footer ───────────────────────────────────────── */
footer {
  padding: 64px 0 40px;
  border-top: 1px solid var(--rule);
}
.foot-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  flex-wrap: wrap;
}
.foot-left p {
  font-size: 13px;
  color: var(--muted);
  max-width: 36ch;
  margin: 0;
}
.foot-nav {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: flex;
  gap: 20px;
  margin-top: 16px;
}
.foot-nav a { color: var(--muted); text-decoration: none; transition: color 180ms var(--ease); }
.foot-nav a:hover { color: var(--flash); }
.foot-right {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  text-align: right;
  line-height: 1.9;
}
.foot-right a { color: var(--muted); text-decoration: none; transition: color 180ms var(--ease); }
.foot-right a:hover { color: var(--flash); }

/* ─── Responsive ───────────────────────────────────── */
@media (max-width: 860px) {
  .wrap, .nav-inner { padding-left: 28px; padding-right: 28px; }
  .nav-right { gap: 18px; }
  .nav-links { gap: 18px; }
  .hero { padding: 72px 0 64px; }
  .section { padding: 64px 0; }
  .cols-3, .cols-2, .card-grid { grid-template-columns: 1fr; gap: 32px; }
  .strip { padding: 32px 28px; }
  .fact { flex-direction: column; gap: 6px; }
  .fact dt { width: auto; }
  .foot-grid { flex-direction: column; align-items: flex-start; }
  .foot-right { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}