/* ═══════════════════════════════════════════════════
   THE PARIS COLLECTIVE — Design System
   ═══════════════════════════════════════════════════ */

:root {
  /* Backgrounds */
  --bg-primary: #1C1917;
  --bg-secondary: #292524;
  --bg-card: #231F1E;

  /* Accent */
  --accent: #A88E67;
  --accent-hover: #C4A87A;
  --accent-light: rgba(168,142,103,0.15);
  --accent-faint: rgba(168,142,103,0.06);

  /* Text */
  --text-heading: #FAFAF9;
  --text-body: rgba(255,255,255,0.65);
  --text-secondary: rgba(255,255,255,0.5);
  --text-muted: rgba(255,255,255,0.35);

  /* Borders */
  --border: rgba(168,142,103,0.15);
  --border-hover: rgba(168,142,103,0.4);

  /* Fonts */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-primary);
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(168,142,103,0.3); color: var(--text-heading); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--accent-hover); }

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-heading);
  font-weight: 400;
  line-height: 1.2;
}
h1 { font-size: clamp(2.2rem, 6vw, 4rem); margin-bottom: 0.5rem; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 0.5rem; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); margin-bottom: 0.5rem; }
h4 { font-size: 1.1rem; font-weight: 500; margin-bottom: 0.25rem; }
p { margin-bottom: 1rem; }
em.gold { font-style: italic; color: var(--accent); }

/* ── Layout ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.container-xs { max-width: 600px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 24px; }
.section-alt { padding: 100px 24px; background: linear-gradient(180deg, var(--accent-faint) 0%, transparent 100%); }
.text-center { text-align: center; }

/* ── Section Header ── */
.section-label {
  font-family: var(--font-body);
  font-size: 0.68rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: rgba(168,142,103,0.7);
  margin-bottom: 16px;
}
.section-divider {
  width: 40px;
  height: 1px;
  background: var(--accent);
  margin: 0 auto 24px;
}

/* ── Navigation ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  transition: all 0.4s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(28,25,23,0.97);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 80px; transition: height 0.4s;
}
.nav.scrolled .nav-inner { height: 64px; }
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.35rem; font-weight: 700;
  color: var(--accent); letter-spacing: 1px;
  text-decoration: none;
}
.nav.scrolled .nav-logo { font-size: 1.1rem; }
.nav-logo small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.5rem; letter-spacing: 4px;
  color: rgba(168,142,103,0.7);
  text-transform: uppercase; margin-top: -2px;
  font-weight: 400;
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-family: var(--font-body);
  font-size: 0.75rem; letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  text-decoration: none; transition: color 0.3s;
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); border-bottom-color: var(--accent); }
.nav-toggle {
  display: none; background: none; border: none;
  color: var(--accent); font-size: 1.6rem; cursor: pointer;
}
.mobile-menu {
  display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(28,25,23,0.98); z-index: 999;
  flex-direction: column; align-items: center; justify-content: center; gap: 32px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--font-body);
  font-size: 1.1rem; letter-spacing: 3px;
  text-transform: uppercase; color: rgba(255,255,255,0.7);
  text-decoration: none;
}
.mobile-menu a:hover { color: var(--accent); }
.mobile-close {
  position: absolute; top: 24px; right: 24px;
  background: none; border: none; color: var(--accent);
  font-size: 1.8rem; cursor: pointer;
}

/* ── Buttons ── */
.btn-gold {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem; letter-spacing: 3px;
  text-transform: uppercase; padding: 16px 40px;
  background: var(--accent); color: var(--bg-primary);
  border: none; cursor: pointer; transition: all 0.3s;
  text-decoration: none;
}
.btn-gold:hover { background: var(--accent-hover); color: var(--bg-primary); }
.btn-outline {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem; letter-spacing: 3px;
  text-transform: uppercase; padding: 16px 40px;
  background: transparent; color: var(--accent);
  border: 1px solid var(--border-hover);
  cursor: pointer; transition: all 0.3s;
  text-decoration: none;
}
.btn-outline:hover { border-color: var(--accent); }

/* ── Cards ── */
.card {
  padding: 32px;
  border: 1px solid var(--border);
  transition: border-color 0.3s;
}
.card:hover { border-color: var(--border-hover); }
.card-accent {
  padding: 32px;
  border-left: 2px solid var(--border);
  transition: border-color 0.3s;
}
.card-accent:hover { border-left-color: var(--accent); }

/* ── Grids ── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 32px; }

/* ── FAQ Accordion ── */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%; padding: 24px 0; background: none; border: none;
  cursor: pointer; display: flex; justify-content: space-between;
  align-items: center; gap: 16px; text-align: left;
  font-family: var(--font-body); font-size: 0.95rem;
  color: var(--text-heading); font-weight: 500;
}
.faq-question:hover { color: var(--accent); }
.faq-icon {
  font-size: 1.2rem; color: var(--accent); flex-shrink: 0;
  transition: transform 0.3s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease;
  font-size: 0.9rem; color: var(--text-secondary); line-height: 1.8;
}
.faq-item.open .faq-answer { max-height: 500px; padding-bottom: 24px; }

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 56px 24px 40px;
}
.footer-grid {
  max-width: 1000px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px; margin-bottom: 48px;
}
.footer-label {
  font-size: 0.68rem; letter-spacing: 3px;
  text-transform: uppercase; color: rgba(168,142,103,0.5);
  margin-bottom: 12px;
}
.footer a { color: rgba(255,255,255,0.45); font-size: 0.8rem; transition: color 0.3s; }
.footer a:hover { color: var(--accent); }
.footer-bottom {
  text-align: center; padding-top: 24px;
  border-top: 1px solid rgba(168,142,103,0.08);
  font-size: 0.75rem; color: var(--text-muted);
}

/* ── Forms ── */
.form-input {
  width: 100%; padding: 14px 0; background: transparent;
  border: none; border-bottom: 1px solid var(--border);
  color: var(--text-heading); font-family: var(--font-body);
  font-size: 0.95rem; outline: none; transition: border-color 0.3s;
}
.form-input:focus { border-bottom-color: var(--accent); }
.form-input::placeholder { color: var(--text-muted); }
select.form-input { cursor: pointer; }
select.form-input option { background: var(--bg-primary); }
.form-label { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ── SVG Icons ── */
.icon svg { display: inline-block; vertical-align: middle; }

/* ── Utility ── */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mb-4 { margin-bottom: 4rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

/* ── GEO Entity Block (for LLM/SEO) ── */
.geo-entity {
  padding: 32px; margin-top: 48px;
  border: 1px solid var(--border);
  font-size: 0.85rem; color: var(--text-secondary);
  line-height: 1.9;
}

/* ── Blog Article Cards ── */
.article-card {
  border: 1px solid var(--border);
  transition: border-color 0.3s;
  display: flex; flex-direction: column;
}
.article-card:hover { border-color: var(--border-hover); }
.article-card-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.article-card-meta {
  font-size: 0.7rem; letter-spacing: 2px;
  text-transform: uppercase; color: rgba(168,142,103,0.6);
  margin-bottom: 12px;
}
.article-card-title {
  font-family: var(--font-display); font-size: 1.2rem;
  color: var(--text-heading); margin-bottom: 12px; font-weight: 400;
}
.article-card-excerpt {
  font-size: 0.85rem; color: var(--text-secondary);
  line-height: 1.7; flex: 1;
}
.article-card-link {
  font-size: 0.75rem; letter-spacing: 2px;
  text-transform: uppercase; color: var(--accent);
  margin-top: 16px; display: inline-block;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
}
.article-card-link:hover { border-bottom-color: var(--accent); }

/* ── Related Reading ── */
.related-reading {
  margin-top: 48px; padding-top: 32px;
  border-top: 1px solid var(--border);
}
.related-reading h3 { margin-bottom: 16px; }
.related-reading ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.related-reading a {
  font-size: 0.9rem; color: var(--accent);
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px; transition: border-color 0.3s;
}
.related-reading a:hover { border-bottom-color: var(--accent); }

/* ── CTA Section ── */
.cta-section {
  padding: 80px 24px; text-align: center;
  background: linear-gradient(180deg, var(--accent-faint) 0%, transparent 50%, var(--accent-faint) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .section { padding: 60px 20px; }
  .section-alt { padding: 60px 20px; }
  .container, .container-sm, .container-xs { padding: 0 20px; }
  h1 { font-size: clamp(1.8rem, 8vw, 2.5rem); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .btn-gold, .btn-outline { padding: 14px 28px; font-size: 0.75rem; }
}