/* Tresor Capital — design tokens + global styles */

:root {
  --navy: #1C2B4B;
  --navy-deep: #0F1A33;
  --navy-soft: #2A3A5E;
  --ivory: #F6F2EA;
  --ivory-warm: #EFE8DA;
  --ivory-deep: #E4DCC8;
  --paper: #FBF8F2;
  --gold: #B8962E;
  --gold-soft: #D4B85A;
  --gold-deep: #8F7422;
  --ink: #1C2B4B;
  --muted: #6B7490;
  --rule: rgba(28, 43, 75, 0.14);
  --rule-strong: rgba(28, 43, 75, 0.28);
  --accent: var(--gold);
}

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

html, body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.locked { overflow: hidden; }

/* Typography */
.serif { font-family: 'Newsreader', 'Cormorant Garamond', Georgia, serif; font-weight: 400; letter-spacing: -0.01em; }
.mono { font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace; font-weight: 400; }
.caps { text-transform: uppercase; letter-spacing: 0.18em; font-size: 11px; }

h1, h2, h3, h4 {
  font-family: 'Newsreader', 'Cormorant Garamond', Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.08;
  color: var(--navy);
}

p { color: var(--navy); }
a { color: inherit; text-decoration: none; }

/* Layout primitives */
.wrap { max-width: 1360px; margin: 0 auto; padding: 0 40px; }
.wrap-tight { max-width: 980px; margin: 0 auto; padding: 0 40px; }
.rule { height: 1px; background: var(--rule); width: 100%; }
.rule-gold { height: 1px; background: var(--accent); width: 56px; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 248, 242, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--rule);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.nav.on-dark {
  background: rgba(15, 26, 51, 0.82);
  border-bottom-color: rgba(255,255,255,0.08);
}
.nav.on-dark .nav-inner,
.nav.on-dark .nav-link,
.nav.on-dark .nav-logo-text,
.nav.on-dark .lang-toggle,
.nav.on-dark .nav-cta { color: var(--ivory); }
.nav.on-dark .nav-cta { border-color: rgba(255,255,255,0.3); }
.nav.on-dark .nav-cta:hover { background: var(--accent); border-color: var(--accent); color: var(--navy); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  max-width: 1500px;
  margin: 0 auto;
  color: var(--navy);
}
.nav-logo {
  display: flex;
  align-items: center;
  cursor: pointer;
}
.nav-logo-img {
  height: 40px;
  width: auto;
  display: block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  font-size: 13px;
  letter-spacing: 0.02em;
  cursor: pointer;
  position: relative;
  padding: 4px 0;
  color: var(--navy);
  transition: color 0.2s;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--accent); }
.nav.on-dark .nav-link.active { color: var(--accent); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.1em;
}
.lang-toggle button {
  background: none; border: none; cursor: pointer;
  font: inherit; color: inherit; opacity: 0.45;
  padding: 4px 6px;
  transition: opacity 0.2s;
}
.lang-toggle button.on { opacity: 1; color: var(--accent); }
.lang-toggle .sep { opacity: 0.3; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 18px;
  border: 1px solid var(--navy);
  color: var(--navy);
  cursor: pointer;
  background: transparent;
  font-family: 'DM Sans', sans-serif;
  transition: all 0.2s;
}
.nav-cta:hover { background: var(--navy); color: var(--ivory); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid var(--navy);
  background: transparent;
  color: var(--navy);
  font-family: 'DM Sans', sans-serif;
  transition: all 0.25s ease;
}
.btn:hover { background: var(--navy); color: var(--ivory); }
.btn-primary { background: var(--navy); color: var(--ivory); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: var(--navy); }
.btn-gold { background: var(--accent); border-color: var(--accent); color: var(--navy); }
.btn-gold:hover { background: var(--navy); border-color: var(--navy); color: var(--ivory); }
.btn-link {
  padding: 0;
  border: none;
  background: none;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'DM Sans', sans-serif;
}
.btn-link .arrow { transition: transform 0.25s; }
.btn-link:hover .arrow { transform: translateX(4px); }
.btn-link.on-dark { color: var(--ivory); }

/* Eyebrow */
.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--accent);
}

/* Placeholder imagery */
.placeholder {
  position: relative;
  background:
    repeating-linear-gradient(135deg,
      rgba(28,43,75,0.06) 0 1px,
      transparent 1px 14px),
    var(--ivory-warm);
  border: 1px solid var(--rule);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  color: var(--navy);
}
.placeholder.dark {
  background:
    repeating-linear-gradient(135deg,
      rgba(255,255,255,0.06) 0 1px,
      transparent 1px 14px),
    var(--navy-deep);
  color: var(--ivory);
  border-color: rgba(255,255,255,0.1);
}
.placeholder-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 12px 14px;
  opacity: 0.7;
}

/* Section padding */
.section { padding: 120px 0; }
.section-sm { padding: 80px 0; }
.section-lg { padding: 160px 0; }
.section-dark {
  background: var(--navy);
  color: var(--ivory);
}
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4, .section-dark p { color: var(--ivory); }
.section-dark .rule { background: rgba(255,255,255,0.14); }
.section-ivory { background: var(--ivory); }
.section-ivory-deep { background: var(--ivory-warm); }

/* Scroll reveals */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s cubic-bezier(0.2, 0.6, 0.2, 1), transform 0.9s cubic-bezier(0.2, 0.6, 0.2, 1);
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* Footer */
footer.foot {
  background: var(--navy-deep);
  color: var(--ivory);
  padding: 100px 0 40px;
}
footer.foot h4 { color: var(--ivory); }
footer.foot .foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 56px;
  margin-bottom: 80px;
}
footer.foot .foot-col .caps { color: var(--accent); margin-bottom: 18px; display: block; }
footer.foot a, footer.foot p { color: rgba(246, 242, 234, 0.72); }
footer.foot a:hover { color: var(--accent); }
footer.foot ul { list-style: none; display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
footer.foot .foot-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(246,242,234,0.5);
}
footer.foot .foot-logo-big {
  font-family: 'Newsreader', serif;
  font-size: 44px;
  line-height: 1;
  margin-bottom: 24px;
}
footer.foot .foot-logo-big em { font-style: italic; color: var(--accent); }

/* Newsletter form */
.news-form {
  display: flex;
  gap: 0;
  border-bottom: 1px solid rgba(246,242,234,0.3);
  max-width: 520px;
  transition: border-color 0.2s;
}
.news-form:focus-within { border-color: var(--accent); }
.news-form input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 16px 0;
  color: var(--ivory);
  font: inherit;
  font-size: 15px;
  outline: none;
}
.news-form input::placeholder { color: rgba(246,242,234,0.45); }
.news-form button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 16px 0 16px 20px;
  font: inherit;
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: opacity 0.2s;
}
.news-form button:hover { opacity: 0.75; }

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 26, 51, 0.6);
  backdrop-filter: blur(6px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--paper);
  max-width: 440px;
  width: 100%;
  padding: 48px;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.35s cubic-bezier(0.2, 0.6, 0.2, 1);
  border-top: 2px solid var(--accent);
}
.modal-backdrop.open .modal { transform: translateY(0); }
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: none; border: none;
  width: 32px; height: 32px;
  cursor: pointer;
  color: var(--navy);
  font-size: 18px;
}

/* Tweaks panel */
.tweaks-panel {
  position: fixed;
  bottom: 24px; right: 24px;
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  padding: 20px 22px;
  z-index: 80;
  box-shadow: 0 20px 60px rgba(15, 26, 51, 0.15);
  display: none;
  min-width: 260px;
}
.tweaks-panel.show { display: block; }
.tweaks-panel .tweaks-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.tweaks-panel .swatches { display: flex; gap: 8px; flex-wrap: wrap; }
.tweaks-panel .swatch {
  width: 28px; height: 28px;
  border: 1px solid var(--rule-strong);
  cursor: pointer;
  position: relative;
  transition: transform 0.15s;
}
.tweaks-panel .swatch:hover { transform: translateY(-2px); }
.tweaks-panel .swatch.on::after {
  content: '';
  position: absolute;
  inset: -4px;
  border: 1px solid var(--navy);
}
.tweaks-panel .tweaks-label {
  font-size: 12px;
  color: var(--muted);
  margin-top: 10px;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Utility */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }

.hidden { display: none !important; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 40px; }
  footer.foot .foot-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 80px 0; }
  .wrap, .wrap-tight { padding: 0 24px; }
  .nav-inner { padding: 16px 24px; }
}