/* Tortoiseshell Limited — shared stylesheet */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ink: #12211D;
  --paper: #F6FAF8;
  --paper-alt: #EEF4F1;
  --teal-900: #0C3A35;
  --teal-700: #0F4C46;
  --teal-500: #1F6F63;
  --teal-200: #C6DCD5;
  --line: #D8E4DF;
  --amber: #C07A2E;
  --amber-soft: #E7B978;
  --muted: #4B5E58;
  --radius: 2px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  color: var(--teal-900);
  line-height: 1.15;
  margin: 0 0 0.5em 0;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 600; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em 0; color: var(--muted); max-width: 62ch; }

a { color: var(--teal-700); }

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  display: block;
  margin-bottom: 0.9em;
}

/* ---------- signature: tortoiseshell strip ---------- */
.shell-strip {
  height: 6px;
  width: 100%;
  background:
    linear-gradient(100deg,
      var(--teal-900) 0%,
      var(--teal-500) 12%,
      var(--amber) 24%,
      var(--teal-700) 34%,
      var(--amber-soft) 46%,
      var(--teal-900) 58%,
      var(--amber) 70%,
      var(--teal-500) 82%,
      var(--teal-900) 100%);
  background-size: 340% 100%;
}

/* ---------- header ---------- */
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.nav-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo img { height: 34px; width: auto; display: block; }

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: conic-gradient(from 40deg, var(--teal-900), var(--amber), var(--teal-500), var(--teal-900));
  flex-shrink: 0;
}

.logo-img {
  height: 46px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

.logo-text {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--teal-900);
  letter-spacing: -0.01em;
}

.logo-text span { color: var(--amber); }

nav.links {
  display: flex;
  gap: 34px;
  font-size: 0.92rem;
}

nav.links a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease;
}

nav.links a:hover,
nav.links a.active {
  border-bottom-color: var(--amber);
}

/* ---------- layout helpers ---------- */
.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
}

section { padding: 88px 0; }
section.tight { padding: 56px 0; }

/* ---------- hero ---------- */
.hero {
  padding: 100px 0 90px 0;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
}

.hero p.lead {
  font-size: 1.15rem;
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 28px;
}

.btn {
  display: inline-block;
  padding: 13px 26px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform 0.12s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--teal-900);
  color: var(--paper);
}
.btn-primary:hover { background: var(--teal-700); }

.btn-ghost {
  background: transparent;
  color: var(--teal-900);
  border-color: var(--teal-900);
}
.btn-ghost:hover { background: var(--paper-alt); }

/* hero panel: coordinate card */
.hero-panel {
  background: var(--teal-900);
  color: var(--paper);
  padding: 34px;
  position: relative;
  overflow: hidden;
}
.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: conic-gradient(from 210deg at 80% 10%, rgba(192,122,46,0.35), transparent 40%);
  pointer-events: none;
}
.hero-panel .eyebrow { color: var(--amber-soft); }
.hero-panel h3 { color: var(--paper); font-family: 'Fraunces', serif; font-weight: 500; margin-bottom: 18px; }
.hero-panel ul { list-style: none; padding: 0; margin: 0; }
.hero-panel li {
  padding: 12px 0;
  border-top: 1px solid rgba(246,250,248,0.14);
  font-size: 0.94rem;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.hero-panel li:first-of-type { border-top: none; }
.hero-panel li span.tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--amber-soft);
  white-space: nowrap;
  padding-top: 2px;
}

/* ---------- services / cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.card {
  background: var(--paper);
  padding: 34px 30px;
}

.card .num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--amber);
  letter-spacing: 0.1em;
}

.card h3 { margin-top: 10px; }
.card p { font-size: 0.94rem; margin-bottom: 0; }

/* ---------- band section (alt background) ---------- */
.band {
  background: var(--teal-900);
  color: var(--paper);
}
.band h2 { color: var(--paper); }
.band p { color: var(--teal-200); }

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-top: 44px;
}
.stat-row .stat-num {
  font-family: 'Fraunces', serif;
  font-size: 2.2rem;
  color: var(--amber-soft);
}
.stat-row .stat-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--teal-200);
  margin-top: 6px;
  text-transform: uppercase;
}

/* ---------- lists / two-col text ---------- */
.two-col {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: start;
}

.tech-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.tech-list li {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.tech-list h3 { font-size: 1.02rem; margin-bottom: 4px; }
.tech-list p { margin: 0; font-size: 0.92rem; }

/* ---------- contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 64px;
}

.contact-detail {
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.contact-detail:first-child { border-top: none; }
.contact-detail .eyebrow { margin-bottom: 6px; }
.contact-detail a { color: var(--teal-900); font-size: 1.05rem; text-decoration: none; font-weight: 600; }
.contact-detail a:hover { color: var(--amber); }
.contact-detail p { margin: 4px 0 0 0; font-size: 0.92rem; }

form.contact-form {
  background: var(--paper-alt);
  padding: 36px;
  border: 1px solid var(--line);
}

.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-700);
  margin-bottom: 8px;
}
.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--ink);
  border-radius: var(--radius);
}
.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--amber);
  outline-offset: 1px;
}
.field textarea { resize: vertical; min-height: 120px; }

.form-note { font-size: 0.82rem; color: var(--muted); margin-top: 10px; }

/* ---------- footer ---------- */
footer.site {
  border-top: 1px solid var(--line);
  padding: 40px 0;
}
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-row p { margin: 0; font-size: 0.84rem; color: var(--muted); }
.footer-links { display: flex; gap: 22px; }
.footer-links a { font-size: 0.84rem; color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--teal-900); }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero-grid, .two-col, .contact-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  nav.links { gap: 18px; font-size: 0.86rem; }
  .nav-wrap { flex-direction: column; gap: 14px; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}