/* ============================================================
   assets/css/main.css — Design tokens + global styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=DM+Mono:wght@300;400&display=swap');

:root {
  --ink:         #0e0d0b;
  --deep:        #141210;
  --surface:     #1a1816;
  --panel:       #221f1c;
  --cream:       #f0ead8;
  --warm:        #c8b99a;
  --muted:       #7a6f5e;
  --accent:      #c9773a;
  --accent-soft: #e8a96a;
  --serif:       'Cormorant Garamond', Georgia, serif;
  --mono:        'DM Mono', monospace;
  --max-w:       1400px;
  --gap:         3rem;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--cream);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 1000; opacity: 0.35;
}

h1,h2,h3,h4 { font-family: var(--serif); font-weight: 300; }
a { color: inherit; text-decoration: none; }

.label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ── NAV ── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.2rem var(--gap);
  background: linear-gradient(to bottom, rgba(14,13,11,0.97), transparent);
  backdrop-filter: blur(4px);
}
.nav-brand {
  font-family: var(--serif);
  font-size: 1rem; font-weight: 300;
  letter-spacing: 0.22em; text-transform: uppercase;
}
.nav-brand span { color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 2.5rem; }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--warm); transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent-soft); }

/* Language switcher */
.lang-switcher {
  font-family: var(--mono); font-size: 0.72rem;
  font-weight: 400; letter-spacing: 0.1em;
  padding: 0.28em 0.6em;
  border: 1px solid transparent;
  transition: all 0.2s;
  background: transparent; text-decoration: none;
}
.lang-switcher.active {
  color: var(--accent-soft);
  border-color: rgba(232,169,106,0.35);
  cursor: pointer;
}
.lang-switcher.active:hover {
  color: var(--accent); border-color: var(--accent);
}
.lang-switcher.disabled {
  color: var(--muted);
  border-color: rgba(200,185,154,0.12);
  cursor: default;
}

.nav-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-hamburger span { display: block; width: 22px; height: 1px; background: var(--cream); margin: 5px 0; transition: transform 0.3s; }

/* ── PAGE HEADER ── */
.page-header {
  padding: 10rem var(--gap) 4rem;
  max-width: var(--max-w); margin: 0 auto;
  border-bottom: 1px solid rgba(200,185,154,0.1);
  margin-bottom: 4rem;
}
.page-header h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); line-height: 1; margin-top: 0.8rem; }
.page-header h1 em { font-style: italic; color: var(--accent-soft); }

/* ── SECTION ── */
.section { padding: 4rem var(--gap); max-width: var(--max-w); margin: 0 auto; }
.section-header {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 2.5rem; padding-bottom: 1.2rem;
  border-bottom: 1px solid rgba(200,185,154,0.1);
}
.section-header h2 { font-size: clamp(1.6rem, 2.5vw, 2.4rem); }

/* ── LINKS ── */
.link-arrow {
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); border-bottom: 1px solid var(--accent);
  padding-bottom: 2px; transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.link-arrow::after { content: ' →'; }
.link-arrow:hover { color: var(--accent-soft); border-color: var(--accent-soft); }

/* ── TAG ── */
.tag {
  display: inline-block;
  font-family: var(--mono); font-size: 0.63rem;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent);
  background: rgba(201,119,58,0.12);
  border: 1px solid rgba(201,119,58,0.28);
  padding: 0.28em 0.75em;
}

/* ── FILTER PILLS ── */
.filter-bar { display: flex; gap: 0.5rem; flex-wrap: wrap; padding: 1.5rem 0; }
.filter-pill {
  font-family: var(--mono); font-size: 0.66rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  padding: 0.45em 1.1em;
  border: 1px solid rgba(200,185,154,0.18);
  color: var(--warm); cursor: pointer;
  background: transparent; transition: all 0.2s;
}
.filter-pill:hover, .filter-pill.active { background: var(--accent); border-color: var(--accent); color: var(--ink); }

/* ── FOOTER ── */
.site-footer {
  background: var(--deep);
  border-top: 1px solid rgba(200,185,154,0.08);
  padding: 4rem var(--gap) 2rem;
  margin-top: 6rem;
}
.footer-grid {
  max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 3rem; padding-bottom: 3rem;
  border-bottom: 1px solid rgba(200,185,154,0.08);
}
.footer-brand { font-size: 1.4rem; margin-bottom: 0.8rem; }
.footer-brand span { color: var(--accent); }
.footer-desc { font-size: 0.88rem; color: var(--muted); line-height: 1.7; }
.footer-col h4 {
  font-family: var(--mono); font-size: 0.63rem;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.1rem;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.55rem; }
.footer-col a { font-size: 0.88rem; color: var(--muted); transition: color 0.2s; }
.footer-col a:hover { color: var(--warm); }
.footer-bottom {
  max-width: var(--max-w); margin: 1.5rem auto 0;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy { font-family: var(--mono); font-size: 0.62rem; color: var(--muted); }
.footer-social { display: flex; gap: 1.4rem; }
.footer-social a { font-family: var(--mono); font-size: 0.62rem; color: var(--muted); transition: color 0.2s; }
.footer-social a:hover { color: var(--accent); }

/* ── ANIMATIONS ── */
@keyframes fadeUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  :root { --gap: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; inset: 0; top: 64px;
    background: rgba(14,13,11,0.98); padding: 2rem;
    gap: 1.5rem; z-index: 199;
  }
}
@media (max-width: 580px) {
  .footer-grid { grid-template-columns: 1fr; }
}