/**
 * KLORGRAV — Layout CSS
 * Structure globale, containers, grilles
 */

/* ============================================================
   FONTS
============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,300&display=swap');

/* ============================================================
   BASE
============================================================ */
html {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

body.lightbox-open {
  overflow: hidden;
}

/* ============================================================
   SKIP NAV
============================================================ */
.skip-nav {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: var(--z-toast);
  background: var(--color-accent);
  color: #000;
  padding: var(--space-2) var(--space-4);
  font-weight: 700;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}
.skip-nav:focus {
  top: var(--space-4);
}

/* ============================================================
   CONTAINER
============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* ============================================================
   HEADER
============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--header-height);
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.site-header.scrolled {
  background: rgba(10, 10, 10, 0.98);
  border-color: rgba(255, 45, 120, 0.2);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Logo */
.site-logo {
  flex-shrink: 0;
}

.logo-link {
  display: flex;
  flex-direction: column;
  gap: 0;
  text-decoration: none;
  line-height: 1;
}

.logo-text {
  font-family: 'Bebas Neue', var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-text);
  letter-spacing: 0.04em;
  line-height: 1;
  transition: color var(--transition-fast);
}

.logo-link:hover .logo-text {
  color: var(--color-accent);
}

.logo-tagline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 300;
}

/* Navigation */
.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: var(--space-4);
  right: var(--space-4);
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-item--active .nav-link {
  color: var(--color-text);
}

.nav-item--active .nav-link::after,
.nav-link:hover::after {
  transform: scaleX(1);
}

/* Burger mobile */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.burger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* ============================================================
   MAIN
============================================================ */
.site-main {
  flex: 1;
  padding-top: var(--header-height);
}

/* ============================================================
   SECTIONS COMMUNES
============================================================ */
.section-hero,
.section-series,
.section-about,
.section-faq,
.section-cta,
.section-page-hero,
.section-bio,
.section-serie,
.section-filters,
.section-press-summary,
.section-press-bio,
.section-press-kit,
.section-quotes,
.section-contact {
  padding-block: var(--space-24);
}

.section-page-hero {
  padding-block: var(--space-16) var(--space-12);
  border-bottom: 1px solid var(--color-border);
}

.section-filters {
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: var(--header-height);
  z-index: var(--z-above);
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(8px);
}

.section-serie {
  padding-block: var(--space-16);
  border-bottom: 1px solid var(--color-border);
}

.section-serie:last-child {
  border-bottom: none;
}

/* ============================================================
   FOOTER
============================================================ */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-12);
  margin-top: auto;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  grid-template-rows: auto auto;
  gap: var(--space-6) var(--space-12);
  align-items: start;
}

.footer-brand {
  grid-column: 1;
  grid-row: 1;
}

.footer-logo {
  font-family: 'Bebas Neue', var(--font-display);
  font-size: var(--text-2xl);
  letter-spacing: 0.06em;
  color: var(--color-text);
}

.footer-tagline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: var(--space-1);
  font-weight: 300;
}

.footer-nav {
  grid-column: 2;
  grid-row: 1;
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-nav-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.footer-nav-link:hover {
  color: var(--color-accent);
}

.footer-social {
  grid-column: 3;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.social-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.social-link:hover {
  color: var(--color-accent);
}

.footer-meta {
  grid-column: 1 / -1;
  grid-row: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.footer-copy,
.footer-location {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  letter-spacing: 0.06em;
}