/* ==========================================
   VALAIS DANGERS NATURELS — STYLESHEET
   Aesthetic: Montagnard organique, brume & roche
   ========================================== */

:root {
  --stone-dark: #1c1a18;
  --stone-mid: #2e2b27;
  --stone-warm: #3d3830;
  --slate: #5a5650;
  --fog: #a09890;
  --mist: #c8bfb5;
  --cream: #f0ebe3;
  --paper: #f8f4ee;
  --ice: #d4e4e8;
  --glacier: #8fb8c4;
  --alert: #c0392b;
  --alert-warm: #e67e22;
  --gold: #b8965a;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Outfit', sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--paper);
  color: var(--stone-dark);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ==========================================
   HEADER
   ========================================== */

.site-header {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.header-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(28,26,24,0.85) 0%, rgba(28,26,24,0.4) 50%, rgba(28,26,24,0.75) 100%),
    url('https://images.unsplash.com/photo-1506905925346-21bda4d32df4?w=1600&q=80') center/cover no-repeat;
  z-index: 0;
}

/* Grain overlay */
.header-bg::after {
  content: '';
  position: absolute;
  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='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.5;
  pointer-events: none;
}

.nav {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 4rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--cream);
}

.logo{
    width: 50%;
}
.logo-canton {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  border: 1px solid rgba(240,235,227,0.4);
  padding: 0.25rem 0.5rem;
}

.logo-text {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.8;
}

.nav-tagline {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--mist);
  opacity: 0.7;
}

.hero {
  position: relative;
  z-index: 10;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 4rem 6rem;
  max-width: 860px;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--glacier);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
}

.hero-title {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.05;
  margin-bottom: 1.5rem;
}

.line-1 {
  font-size: clamp(3.5rem, 8vw, 7rem);
  color: var(--cream);
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 0.4s forwards;
}

.line-2 {
  font-size: clamp(4rem, 10vw, 9rem);
  font-style: italic;
  color: var(--glacier);
  margin-left: 2rem;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 0.6s forwards;
}

.hero-sub {
  font-size: 1rem;
  color: var(--mist);
  max-width: 500px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.8s forwards;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid rgba(240,235,227,0.3);
  padding-bottom: 0.5rem;
  width: fit-content;
  transition: border-color 0.3s, color 0.3s;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 1s forwards;
}

.hero-cta span {
  animation: bounce 2s ease-in-out 2s infinite;
  display: inline-block;
}

.hero-cta:hover {
  color: var(--glacier);
  border-color: var(--glacier);
}

.header-scroll-line {
  position: absolute;
  bottom: 0;
  left: 4rem;
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--mist));
  opacity: 0.4;
}

/* ==========================================
   INTRO
   ========================================== */

.intro-section {
  background: var(--stone-dark);
  padding: 5rem 4rem;
}

.intro-inner {
  max-width: 720px;
  margin: 0 auto;
}

.intro-text {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 300;
  font-style: italic;
  color: var(--mist);
  line-height: 1.8;
  text-align: center;
}

/* ==========================================
   DANGERS SECTION
   ========================================== */

.dangers-section {
  padding: 6rem 4rem;
  background: var(--paper);
  position: relative;
}

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 3rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

/* ==========================================
   CARDS
   ========================================== */

.danger-card {
  position: relative;
  background: var(--stone-dark);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3/4;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0;
  transform: translateY(30px);
  transition: transform 0.5s var(--ease-out), box-shadow 0.4s;
  animation: none;
}

.danger-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.danger-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(28,26,24,0.35);
}

.danger-card:hover .card-img {
  transform: scale(1.06);
}

.danger-card:hover .card-overlay {
  opacity: 1;
}

.card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
  filter: saturate(0.6) brightness(0.75);
}

.card-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(28,26,24,0.95) 0%,
    rgba(28,26,24,0.5) 45%,
    rgba(28,26,24,0.1) 100%
  );
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(28,26,24,0.15);
  opacity: 0;
  transition: opacity 0.4s;
}

.card-danger-level {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 1px;
  font-family: var(--font-body);
  font-weight: 500;
}

.level-extreme { background: var(--alert); color: white; }
.level-eleve { background: var(--alert-warm); color: white; }
.level-modere { background: var(--gold); color: white; }
.level-variable { background: var(--slate); color: var(--cream); }

.card-body {
  position: relative;
  z-index: 2;
  padding: 1.5rem;
}

.card-icon {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
  display: block;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 400;
  color: var(--cream);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.card-subtitle {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--glacier);
  margin-bottom: 0.8rem;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--fog);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-arrow {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(200,191,181,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mist);
  font-size: 0.9rem;
  transition: background 0.3s, border-color 0.3s;
  z-index: 2;
}

.danger-card:hover .card-arrow {
  background: var(--glacier);
  border-color: var(--glacier);
  color: var(--stone-dark);
}

/* ==========================================
   DETAIL OVERLAY
   ========================================== */

.detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: stretch;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}

.detail-overlay.open {
  pointer-events: all;
  opacity: 1;
}

.detail-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(28,26,24,0.7);
  backdrop-filter: blur(4px);
}

.detail-panel {
  position: relative;
  margin-left: auto;
  width: min(680px, 100%);
  height: 100%;
  background: var(--paper);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.5s var(--ease-out);
  display: flex;
  flex-direction: column;
}

.detail-overlay.open .detail-panel {
  transform: translateX(0);
}

.detail-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 10;
  width: 40px;
  height: 40px;
  background: rgba(28,26,24,0.5);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: background 0.3s;
}

.detail-close:hover { background: var(--alert); }

.detail-close span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: white;
}

.detail-close span:first-child { transform: rotate(45deg) translate(2px, 4px); }
.detail-close span:last-child { transform: rotate(-45deg) translate(2px, -4px); }

.detail-hero {
  height: 45vh;
  min-height: 280px;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.detail-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.7) brightness(0.8);
}

.detail-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28,26,24,0.8) 0%, transparent 60%);
}

.detail-hero-title {
  position: absolute;
  bottom: 2rem;
  left: 2rem;
  right: 4rem;
}

.detail-hero-title h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 300;
  color: var(--cream);
  line-height: 1.1;
}

.detail-hero-title .detail-tag {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--glacier);
  margin-bottom: 0.5rem;
  display: block;
}

.detail-content {
  padding: 2.5rem 2.5rem 4rem;
  flex: 1;
}

.detail-level-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.4rem 0.9rem;
  border-radius: 2px;
  margin-bottom: 2rem;
  font-family: var(--font-body);
  font-weight: 500;
}

.detail-description {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 1.9;
  color: var(--stone-mid);
  margin-bottom: 2.5rem;
}

.detail-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.fact-card {
  background: var(--stone-dark);
  padding: 1.25rem;
  border-radius: 2px;
}

.fact-label {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.4rem;
}

.fact-value {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--cream);
  line-height: 1.2;
}

.fact-unit {
  font-size: 0.75rem;
  color: var(--fog);
  margin-top: 0.2rem;
}

.detail-section-title {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--mist);
}

.detail-list {
  list-style: none;
  margin-bottom: 2rem;
}

.detail-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(160,152,144,0.2);
  font-size: 0.9rem;
  color: var(--stone-mid);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  line-height: 1.5;
}

.detail-list li::before {
  content: '—';
  color: var(--glacier);
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.detail-zones {
  background: rgba(143,184,196,0.1);
  border-left: 3px solid var(--glacier);
  padding: 1.25rem 1.5rem;
  border-radius: 0 2px 2px 0;
  margin-bottom: 2rem;
}

.detail-zones p {
  font-size: 0.9rem;
  color: var(--stone-mid);
  line-height: 1.7;
}

/* ==========================================
   FOOTER
   ========================================== */

.site-footer {
  background: var(--stone-dark);
  padding: 2rem 4rem;
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--slate);
}

/* ==========================================
   ANIMATIONS
   ========================================== */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
  .nav { padding: 1.5rem 1.5rem; }
  .hero { padding: 3rem 1.5rem 5rem; }
  .intro-section { padding: 3.5rem 1.5rem; }
  .dangers-section { padding: 4rem 1.5rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .detail-facts { grid-template-columns: 1fr; }
  .detail-content { padding: 2rem 1.5rem 3rem; }
  .site-footer { padding: 2rem 1.5rem; }
  .header-scroll-line { left: 1.5rem; }
}

/* Scrollbar styling */
.detail-panel::-webkit-scrollbar { width: 4px; }
.detail-panel::-webkit-scrollbar-track { background: var(--paper); }
.detail-panel::-webkit-scrollbar-thumb { background: var(--mist); border-radius: 2px; }