/* GeoDetective — layout.css */

/* ── NAV ── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  background: linear-gradient(180deg, rgba(14,12,8,0.98) 0%, rgba(14,12,8,0.85) 100%);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transition: padding 0.3s ease;
}
.site-nav.scrolled { padding: var(--space-3) 0; }
.site-nav .container { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }

.nav-brand {
  display: flex; align-items: center; gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--ink);
  letter-spacing: 0.06em;
}
.nav-brand span.icon { font-size: 1.4em; }
.nav-brand strong { color: var(--gold); }

.nav-right { display: flex; align-items: center; gap: var(--space-4); }

.lang-switcher { display: flex; gap: var(--space-2); }
.lang-switcher a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mut);
  padding: var(--space-1) var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.lang-switcher a.active,
.lang-switcher a:hover { color: var(--gold); border-color: var(--gold-dim); }

/* ── HERO ── */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(80px + var(--space-16)) 0 var(--space-20);
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: 0.35;
  filter: sepia(0.5) contrast(1.1);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(14,12,8,0.3) 0%,
    rgba(14,12,8,0.5) 40%,
    rgba(14,12,8,0.92) 80%,
    rgba(14,12,8,1) 100%
  );
}

.hero-content { position: relative; z-index: 1; max-width: 720px; }

.hero-tag {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold-dim);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-6);
  background: rgba(196,147,54,0.06);
}

.hero h1 {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  margin-bottom: var(--space-6);
  line-height: 1.05;
}
.hero h1 span { display: block; }
.hero h1 .accent { color: var(--gold); }

.hero-sub {
  font-family: var(--font-serif-deco);
  font-style: italic;
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: var(--mut);
  margin-bottom: var(--space-8);
  max-width: 55ch;
}

.hero-cta { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-8); }

.hero-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--mut);
}

/* ── SECTIONS ── */
.section-wrap {
  padding: var(--space-20) 0;
  position: relative;
  z-index: 1;
}
.section-wrap + .section-wrap {
  border-top: 1px solid var(--border);
}

/* ── FEATURES GRID ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

/* ── HOW IT WORKS ── */
.steps-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  counter-reset: steps;
}
.step {
  flex: 1 1 180px;
  max-width: 200px;
  text-align: center;
  position: relative;
}
.step::before {
  counter-increment: steps;
  content: counter(steps, decimal-leading-zero);
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--gold-dim);
  margin-bottom: var(--space-3);
}
.step p {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  letter-spacing: 0.05em;
  color: var(--ink);
  max-width: none;
}
/* connector line */
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 1.2rem;
  right: -1.5rem;
  width: 2rem;
  height: 1px;
  background: var(--gold-dim);
  opacity: 0.4;
}

/* ── SCENARIOS ── */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-4);
}

/* ── GALLERY ── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}
.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg2);
}
.gallery-item img { width: 100%; display: block; aspect-ratio: 9/16; object-fit: cover; filter: sepia(0.2); transition: filter 0.3s; }
.gallery-item:hover img { filter: sepia(0); }
.gallery-caption {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--mut);
  font-family: var(--font-mono);
}

/* ── FINAL CTA ── */
.section-final {
  padding: var(--space-24) 0;
  text-align: center;
  background: radial-gradient(ellipse at center top, rgba(196,147,54,0.07) 0%, transparent 60%);
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}
.section-final h2 { margin-bottom: var(--space-4); }
.section-final p { color: var(--mut); margin: 0 auto var(--space-8); font-style: italic; }
.section-final .cta-group { display: flex; gap: var(--space-4); justify-content: center; flex-wrap: wrap; }

/* ── FOOTER ── */
.site-footer {
  background: var(--bg3);
  border-top: 1px solid var(--border);
  padding: var(--space-8) 0;
  text-align: center;
  position: relative;
  z-index: 1;
}
.site-footer p {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--mut2);
  margin: 0 auto;
}

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .hero { padding-top: calc(70px + var(--space-12)); padding-bottom: var(--space-16); }
  .nav-brand strong { display: none; }
  .hero h1 { font-size: 2.2rem; }
  .step::after { display: none; }
  .steps-list { flex-direction: column; align-items: center; }
  .step { max-width: 100%; text-align: left; display: flex; align-items: center; gap: var(--space-4); }
  .step::before { margin-bottom: 0; min-width: 3ch; }
}

@media (min-width: 900px) {
  .hero-content { max-width: 650px; }
}