/* ============================================
   Entre Nord, Îles et Alpes — Styles
   Charte: Caraïbes/Guadeloupe + Nord France + Suisse
   ============================================ */

/* --- CSS Tokens (OBLIGATOIRE) --- */
:root {
  /* === COULEURS OFFICIELLES === */
  
  /* Nord France (DSFR) */
  --france-blue: #000091;      /* Bleu France - source: systeme-de-design.gouv.fr */
  --north-brick: #CE614A;      /* Tuile/brique Nord */
  
  /* Caraïbes / Guadeloupe (unofficial flag) - source: flagcolorcodes.com */
  --gp-blue: #002488;
  --gp-red: #DA121A;
  --gp-yellow: #FCDD09;
  --gp-green: #008000;
  
  /* Suisse - source: crwflags.com */
  --swiss-red: #FF0000;
  
  /* === TOKENS UI === */
  --bg: #FFF8F0;               /* Fond principal chaleureux */
  --surface: #FFFFFF;          /* Cards, sections */
  --text: #1A1A2E;             /* Texte principal (très sombre) */
  --text-muted: #4A5568;       /* Texte secondaire */
  --border: rgba(0, 0, 0, 0.08);
  
  /* === PALETTE HARMONISÉE (tirée du titre) === */
  --color-nord: #FCDD09;           /* Doré – Nord */
  --color-iles: #FF6B35;           /* Orange tropical – Îles */
  --color-alpes: #7FDBCA;          /* Vert d'eau – Alpes */
  
  --primary: var(--color-iles);    /* Boutons, liens, icônes */
  --primary-hover: #E85A20;        /* Orange foncé au survol */
  --secondary: var(--color-nord);  /* Accents dorés, séparateurs */
  --accent: var(--color-alpes);    /* Focus, accents verts */
  
  /* === TYPOGRAPHIE === */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;
  
  /* === SPACING === */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* === LAYOUT === */
  --container-max: 1200px;
  --container-sm: 720px;
  --nav-height: 64px;
  
  /* === BORDERS & SHADOWS === */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
  
  /* === TRANSITIONS === */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text);
  background-color: transparent;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* --- Skip to Content (Accessibilité) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  z-index: 9999;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}

/* --- Site Background (SVG ou Vidéo) --- */
.site-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.site-background video,
.site-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
  filter: blur(0.5px) saturate(0.95) brightness(1.02);
}

.bg-video {
  position: absolute;
  inset: 0;
  display: block;
}

/* Voile léger sur le fond pour atténuer les artefacts */
.site-background::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 248, 240, 0.06);
  pointer-events: none;
}

/* Image statique cachée par défaut */
.bg-static {
  display: none;
  position: absolute;
  inset: 0;
}

/* Respect prefers-reduced-motion — afficher l'image statique */
@media (prefers-reduced-motion: reduce) {
  .bg-video {
    display: none;
  }
  .bg-static {
    display: block !important;
  }
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

/* Ensure content above video */
.nav, main, footer {
  position: relative;
  z-index: 1;
}

/* --- Images & Links --- */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--secondary);
}

a:focus-visible {
  outline: 2px solid var(--color-alpes);
  outline-offset: 2px;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

button:focus-visible {
  outline: 2px solid var(--color-alpes);
  outline-offset: 2px;
}

fieldset {
  border: none;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav-logo {
  font-size: var(--font-size-xl);
  font-weight: 800;
  background: linear-gradient(90deg, var(--color-nord) 0%, var(--color-iles) 50%, var(--color-alpes) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.05em;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition-base);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav-links {
  display: none;
  list-style: none;
}

.nav-links.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--bg);
  padding: var(--space-lg);
  gap: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.nav-links a {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text);
  padding: var(--space-sm) 0;
}

.nav-links a:hover {
  color: var(--primary);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
  
  .nav-links {
    display: flex;
    gap: var(--space-xl);
  }
  
  .nav-links a {
    padding: 0;
  }
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-height) + var(--space-2xl)) var(--space-lg) var(--space-2xl);
  background: transparent;
}

.hero-content {
  max-width: 800px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-nord);
  margin-bottom: var(--space-md);
  padding: var(--space-xs) var(--space-md);
  background: rgba(0, 0, 0, 0.4);
  border-radius: var(--radius-full);
  text-shadow: 0 1px 3px rgba(0,0,0,0.6);
}

.hero-title {
  font-size: clamp(var(--font-size-3xl), 8vw, var(--font-size-5xl));
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0,0,0,0.8), 0 4px 16px rgba(0,0,0,0.5);
}

/* Mots colorés - palette festive dorée/chaude */
.text-nord {
  color: var(--color-nord); /* Doré festif */
  text-shadow: 0 2px 4px rgba(0,0,0,0.8), 0 4px 16px rgba(0,0,0,0.5);
}

.text-iles {
  color: var(--color-iles); /* Orange tropical */
  text-shadow: 0 2px 4px rgba(0,0,0,0.8), 0 4px 16px rgba(0,0,0,0.5);
}

.text-alpes {
  color: var(--color-alpes); /* Vert d'eau alpin */
  text-shadow: 0 2px 4px rgba(0,0,0,0.8), 0 4px 16px rgba(0,0,0,0.5);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: #fff;
  margin-bottom: var(--space-2xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8), 0 3px 12px rgba(0,0,0,0.5);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-scroll {
    animation: bounce 2s infinite;
  }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* --- Buttons (Contraste AA garanti) --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: var(--font-size-base);
  font-weight: 600;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  text-decoration: none;
}

/* Bouton primaire : fond UNI Bleu France = contraste 12.6:1 avec blanc */
.btn-primary {
  background: var(--color-iles);
  color: white;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 107, 53, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-alpes);
  outline-offset: 2px;
}

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: var(--font-size-lg);
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* --- Sections --- */
.section {
  padding: var(--space-4xl) 0;
}

.section-title {
  font-size: clamp(var(--font-size-2xl), 5vw, var(--font-size-4xl));
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
  color: var(--text);
}

/* Séparateur doré sous titres */
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-nord); /* Doré – séparateur */
  margin: var(--space-md) auto 0;
  border-radius: var(--radius-full);
}

.section-intro {
  text-align: center;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
}

/* --- Infos Section --- */
.section-infos {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .info-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.info-card {
  background: var(--bg);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid var(--border);
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-iles), var(--color-nord));
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  color: white;
}

.info-card h3 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.info-main {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text);
}

.location-link {
  color: var(--text);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.location-link:hover,
.location-link:focus {
  border-bottom-color: var(--color-iles);
  color: var(--color-iles);
}

.location-link:focus {
  outline: 2px solid var(--color-iles);
  outline-offset: 2px;
  border-radius: 2px;
}

.info-sub {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* Placeholder styling */
.placeholder {
  color: var(--gp-red);
  font-style: italic;
}

/* --- Programme Section --- */
.section-programme {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.programme-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .programme-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.programme-day {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--bg);
}

.day-badge {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-xs) var(--space-md);
  background: var(--primary);
  color: white;
  border-radius: var(--radius-full);
}

.day-badge-alt {
  background: var(--color-nord);
  color: var(--text);
}

.day-date {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.day-schedule {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.day-schedule li {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.day-schedule time {
  flex-shrink: 0;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--primary);
  min-width: 50px;
}

.day-schedule span {
  color: var(--text);
}

/* --- Contribuer Section --- */
.section-contribuer {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.contribute-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

@media (min-width: 600px) {
  .contribute-list {
    grid-template-columns: 1fr 1fr;
  }
}

.contribute-list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: border-color 0.2s ease;
}

.contribute-list li:hover {
  border-color: var(--color-iles);
}

.contribute-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.section-note {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-align: center;
  margin-top: var(--space-md);
  font-style: italic;
}

/* --- Cadeaux Section --- */
.section-cadeaux {
  background: rgba(255, 248, 240, 0.82);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.gifts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

@media (min-width: 600px) {
  .gifts-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.gift-option {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.gift-option:hover {
  border-color: var(--color-nord);
  box-shadow: 0 4px 16px rgba(252, 221, 9, 0.15);
}

.gift-option-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.gift-option h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.gift-option p {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  line-height: 1.6;
}

.gift-ideas {
  list-style: none;
  padding: 0;
  text-align: left;
  margin-top: var(--space-sm);
}

.gift-ideas li {
  padding: var(--space-xs) 0;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.gift-ideas li:last-child {
  border-bottom: none;
}

.gift-ideas li::before {
  content: '→ ';
  color: var(--color-iles);
  font-weight: 600;
}

/* --- Hébergement Section --- */
.section-hebergement {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.housing-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-top: var(--space-lg);
}

.housing-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--color-nord);
}

.price-amount {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-iles), var(--color-nord));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-detail {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.housing-info h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.housing-steps {
  padding-left: var(--space-lg);
  margin: var(--space-md) 0;
}

.housing-steps li {
  padding: var(--space-xs) 0;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  line-height: 1.6;
}

.housing-steps li::marker {
  color: var(--color-iles);
  font-weight: 700;
}

.housing-deadline {
  font-size: var(--font-size-sm);
  color: var(--text);
  background: rgba(252, 221, 9, 0.12);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-nord);
  margin-top: var(--space-md);
}

/* --- RSVP Section --- */
.section-rsvp {
  background: rgba(255, 248, 240, 0.88);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.rsvp-form {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  overflow: hidden;
}

/* Groupes visuels du formulaire */
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
}

.form-row + .form-row {
  padding-top: 0;
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

/* Labels et légendes */
.form-group label,
.form-group legend {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}

.required {
  color: var(--color-iles);
  font-weight: 700;
}

/* Fieldsets comme blocs visuels */
.rsvp-form > fieldset.form-group,
.rsvp-form > div > fieldset.form-group {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.rsvp-form > fieldset.form-group legend,
.rsvp-form > div > fieldset.form-group legend {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--text);
  padding-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Petit indicateur coloré avant les légendes */
.rsvp-form > fieldset.form-group legend::before,
.rsvp-form > div > fieldset.form-group legend::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1em;
  background: linear-gradient(180deg, var(--color-iles), var(--color-nord));
  border-radius: 2px;
  flex-shrink: 0;
}

/* Inputs */
input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 0.75rem var(--space-md);
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--text);
  background: var(--bg);
  border: 1.5px solid rgba(0, 0, 0, 0.12);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="tel"]:hover,
select:hover,
textarea:hover {
  border-color: rgba(0, 0, 0, 0.2);
}

input::placeholder,
textarea::placeholder {
  color: rgba(74, 85, 104, 0.6);
  font-weight: 400;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-alpes);
  box-shadow: 0 0 0 3px rgba(127, 219, 202, 0.25);
  background: #fff;
}

textarea {
  resize: vertical;
  min-height: 80px;
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234A5568' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-right: var(--space-2xl);
}

/* Radio & Checkbox — Style "pill/card" */
.radio-group,
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.radio-label,
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  font-weight: 400;
  font-size: var(--font-size-sm);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(0, 0, 0, 0.1);
  background: var(--bg);
  transition: all var(--transition-fast);
  user-select: none;
}

.radio-label:hover,
.checkbox-label:hover {
  border-color: var(--color-iles);
  background: rgba(255, 107, 53, 0.04);
}

.radio-label input,
.checkbox-label input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

/* État checked — bordure + fond subtil */
.radio-label:has(input:checked),
.checkbox-label:has(input:checked) {
  border-color: var(--color-iles);
  background: rgba(255, 107, 53, 0.08);
  color: var(--text);
  font-weight: 500;
}

.radio-custom,
.checkbox-custom {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  position: relative;
}

.checkbox-custom {
  border-radius: 4px;
}

.radio-label input:checked + .radio-custom,
.checkbox-label input:checked + .checkbox-custom {
  border-color: var(--color-iles);
  background: var(--color-iles);
}

.radio-label input:focus-visible + .radio-custom,
.checkbox-label input:focus-visible + .checkbox-custom {
  box-shadow: 0 0 0 3px rgba(127, 219, 202, 0.3);
}

.radio-custom::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 7px;
  height: 7px;
  background: white;
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast);
}

.radio-label input:checked + .radio-custom::after {
  transform: translate(-50%, -50%) scale(1);
}

.checkbox-custom::after {
  content: '';
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg) scale(0);
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transition: transform var(--transition-fast);
}

.checkbox-label input:checked + .checkbox-custom::after {
  transform: translate(-50%, -50%) rotate(45deg) scale(1);
}

/* Consent checkbox */
.checkbox-consent {
  font-size: var(--font-size-sm);
  padding: var(--space-md) var(--space-lg);
  background: rgba(252, 221, 9, 0.06);
  border-radius: var(--radius-md);
  border: 1px solid rgba(252, 221, 9, 0.2);
}

.checkbox-consent:has(input:checked) {
  background: rgba(252, 221, 9, 0.12);
  border-color: var(--color-nord);
}

/* Blocs conditionnels — séparateur visuel doux */
#event-details,
#hebergement-section {
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Champs simples (select, textarea) dans les blocs conditionnels */
#event-details > .form-group,
#hebergement-section > .form-group {
  padding: 0 var(--space-xl) var(--space-lg);
}

/* Champs message libre et consent en dehors des blocs conditionnels */
.rsvp-form > .form-group {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.rsvp-form > .form-group + .form-group {
  padding-top: 0;
}

/* Hébergement détails — rangée inline */
.hebergement-details {
  padding: 0 var(--space-xl) var(--space-lg);
}

/* Bouton submit en pied de formulaire */
.rsvp-form > .btn-block,
.rsvp-form > #submit-btn {
  margin: 0;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: var(--space-lg) var(--space-xl);
  font-size: var(--font-size-lg);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Honeypot - complètement caché */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

/* Form Message */
.form-message {
  padding: var(--space-md) var(--space-xl);
  text-align: center;
  font-weight: 500;
}

.form-message.success {
  background: rgba(0, 128, 0, 0.08);
  color: #15803d;
  border-top: 1px solid rgba(0, 128, 0, 0.15);
}

.form-message.error {
  background: rgba(218, 18, 26, 0.08);
  color: #b91c1c;
  border-top: 1px solid rgba(218, 18, 26, 0.15);
}

/* Spinner */
.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .spinner {
    animation: none;
  }
}

/* --- FAQ Section --- */
.section-faq {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-item {
  background: var(--surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: background var(--transition-fast);
  color: var(--text);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: var(--font-size-xl);
  font-weight: 400;
  color: var(--primary);
  transition: transform var(--transition-base);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  background: var(--bg);
}

.faq-item p {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- Photos Section --- */
.section-photos {
  background: rgba(255, 255, 255, 0.5);
}

.photos-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-4xl) var(--space-xl);
  background: var(--bg);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--text-muted);
}

.photos-placeholder svg {
  color: var(--primary);
  opacity: 0.5;
}

.photos-hint {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* --- Footer --- */
.footer {
  padding: var(--space-2xl) 0;
  text-align: center;
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.footer-logo {
  font-size: var(--font-size-lg);
  font-weight: 800;
  background: linear-gradient(90deg, var(--color-nord) 0%, var(--color-iles) 50%, var(--color-alpes) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.footer-text {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* --- Decorative SVG patterns (subtils) --- */
.pattern-nord,
.pattern-iles,
.pattern-alpes {
  position: absolute;
  pointer-events: none;
  opacity: 0.06;
}

/* --- Utility Classes --- */
[hidden] {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Print styles --- */
@media print {
  .nav,
  .hero-scroll,
  .btn,
  .section-rsvp,
  .video-background {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .section {
    padding: 1rem 0;
    page-break-inside: avoid;
  }
}