/* ============================================
   CALIBRE — Watch Platform
   Shared Stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --bg-deep:     #080D1A;
  --bg-dark:     #0D1425;
  --bg-surface:  #131E35;
  --bg-card:     #192543;
  --gold:        #C9A55A;
  --gold-light:  #E0C078;
  --gold-dim:    #8C6E35;
  --white:       #FFFFFF;
  --text-primary:#E8EDF5;
  --text-muted:  #7A8FAD;
  --border:      #2A3A55;
  --border-gold: rgba(201,165,90,0.3);
  --nav-height:  72px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }

p { font-size: 1rem; color: var(--text-muted); line-height: 1.75; }

a { text-decoration: none; color: inherit; }

/* ── Layout ── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 2rem; }
.section    { padding: 6rem 0; }
.section-sm { padding: 4rem 0; }

/* ── Navigation ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(8,13,26,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 2rem;
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--white);
}

.nav-logo span { color: var(--gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.nav-cta {
  background: var(--gold);
  color: var(--bg-deep) !important;
  padding: 0.5rem 1.25rem;
  border-radius: 2px;
  font-weight: 600 !important;
  transition: background 0.2s !important;
}

.nav-cta:hover { background: var(--gold-light) !important; color: var(--bg-deep) !important; }

/* Hamburger (mobile) */
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text-primary); transition: 0.3s; }

/* ── Gold divider ── */
.gold-line {
  width: 60px;
  height: 2px;
  background: var(--gold);
  margin: 1.5rem 0;
}

.gold-line.center { margin: 1.5rem auto; }

/* ── Section label ── */
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  border-radius: 2px;
}

.btn-gold {
  background: var(--gold);
  color: var(--bg-deep);
}

.btn-gold:hover { background: var(--gold-light); }

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}

.btn-outline:hover { background: rgba(201,165,90,0.1); }

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2rem;
  transition: border-color 0.3s, transform 0.3s;
}

.card:hover {
  border-color: var(--border-gold);
  transform: translateY(-3px);
}

.card-icon {
  font-size: 1.8rem;
  margin-bottom: 1.25rem;
}

.card h3 { margin-bottom: 0.75rem; }

/* ── Grid helpers ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

/* ── Hero base ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 60% 40%, rgba(201,165,90,0.06) 0%, transparent 70%),
              radial-gradient(ellipse 50% 50% at 20% 80%, rgba(19,30,53,0.8) 0%, transparent 60%);
}

/* ── Highlight box ── */
.highlight-box {
  background: rgba(201,165,90,0.07);
  border-left: 3px solid var(--gold);
  padding: 1.25rem 1.5rem;
  border-radius: 0 4px 4px 0;
  margin: 2rem 0;
}

.highlight-box p { color: var(--text-primary); font-style: italic; }

/* ── Stat row ── */
.stat { text-align: center; }
.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gold);
  display: block;
}
.stat-label { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); }

/* ── Table ── */
.styled-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.styled-table th {
  background: var(--bg-surface);
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.styled-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: top;
}

.styled-table tr:last-child td { border-bottom: none; }
.styled-table tr:hover td { background: rgba(201,165,90,0.04); }

/* ── Badge ── */
.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 2px;
  background: rgba(201,165,90,0.15);
  color: var(--gold);
}

/* ── Phase timeline ── */
.phase-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 4px; overflow: hidden; }
.phase-item { background: var(--bg-card); padding: 2rem 1.5rem; }
.phase-number { font-family: 'Playfair Display', serif; font-size: 2.5rem; color: rgba(201,165,90,0.2); font-weight: 700; }
.phase-title { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); margin: 0.5rem 0; }
.phase-item h4 { font-family: 'Inter', sans-serif; font-size: 0.95rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.5rem; }
.phase-item p { font-size: 0.85rem; }

/* ── Footer ── */
footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 3rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--white);
}

.footer-logo span { color: var(--gold); }

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--gold); }

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── Page hero (inner pages) ── */
.page-hero {
  padding: calc(var(--nav-height) + 5rem) 0 5rem;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 70% at 50% 50%, rgba(201,165,90,0.05) 0%, transparent 70%);
}

/* ── List check ── */
.check-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.check-list li::before {
  content: '✦';
  color: var(--gold);
  font-size: 0.6rem;
  margin-top: 0.4rem;
  flex-shrink: 0;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .phase-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .phase-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 2rem;
    gap: 1.25rem;
  }
  .nav-toggle { display: flex; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}