/* ============================================================
   RESERVIA — styles.css
   Projet 3 OpenClassrooms — Développeur WordPress
   Structure : Variables → Reset → Base → Layout → Components
   ============================================================ */

/* ======= 1. VARIABLES CSS ======= */
:root {
  /* Palette — Méditerranée moderne */
  --color-primary:    #0057b8;   /* Bleu mer profond */
  --color-primary-light: #e8f0fb;
  --color-accent:     #ff6b2b;   /* Corail chaud */
  --color-text:       #1a1a2e;   /* Quasi-noir */
  --color-text-light: #6b7280;
  --color-bg:         #fafafa;
  --color-white:      #ffffff;
  --color-border:     #e5e7eb;
  --color-card-bg:    #ffffff;

  /* Typographie */
  --font-title:       'Playfair Display', Georgia, serif;
  --font-body:        'DM Sans', system-ui, sans-serif;

  /* Espacements */
  --spacing-xs:  0.25rem;   /* 4px  */
  --spacing-sm:  0.5rem;    /* 8px  */
  --spacing-md:  1rem;      /* 16px */
  --spacing-lg:  1.5rem;    /* 24px */
  --spacing-xl:  2rem;      /* 32px */
  --spacing-2xl: 3rem;      /* 48px */
  --spacing-3xl: 5rem;      /* 80px */

  /* Rayons */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-full: 9999px;

  /* Ombres */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:   0 12px 40px rgba(0,0,0,0.14);

  /* Transitions */
  --transition:  0.25s ease;

  /* Container */
  --container-max: 1200px;
  --container-pad: var(--spacing-lg);
}

/* ======= 2. RESET ======= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

ul { list-style: none; }
a  { text-decoration: none; color: inherit; }

/* Focus visible — accessibilité */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ======= 3. LAYOUT ======= */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ======= 4. HEADER / NAV ======= */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: var(--spacing-xl);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.5px;
  transition: color var(--transition);
}
.nav__logo:hover { color: var(--color-accent); }

.nav__logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav__link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-light);
  padding: var(--spacing-xs) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.nav__link:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.nav__link--cta {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  border: none;
  transition: background var(--transition), transform var(--transition);
}
.nav__link--cta:hover {
  background: var(--color-accent);
  border-bottom-color: transparent;
  transform: translateY(-1px);
}

/* Burger (mobile) */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ======= 5. HERO ======= */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #0a2463 0%, #1565c0 50%, #1976d2 100%);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?w=1400&q=60') center/cover no-repeat;
  opacity: 0.18;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--spacing-md);
}

.hero__title {
  font-family: var(--font-title);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
}
.hero__title em {
  font-style: italic;
  color: #ffd740;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  max-width: 520px;
  margin-bottom: var(--spacing-2xl);
  line-height: 1.7;
}

/* SEARCH FORM */
.search {
  display: flex;
  align-items: flex-end;
  gap: 0;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 820px;
}

.search__field {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  border-right: 1px solid var(--color-border);
}
.search__field:last-of-type { border-right: none; }

.search__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.search__input-wrap {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.search__icon {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.search__input {
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  background: transparent;
  width: 100%;
}
.search__input::placeholder { color: var(--color-text-light); font-weight: 400; }

.search__btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  padding: 0 var(--spacing-xl);
  height: 72px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
  white-space: nowrap;
}
.search__btn svg { width: 20px; height: 20px; }
.search__btn:hover { background: #e55a20; }

/* FILTERS */
.filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.filters__label {
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  margin-right: var(--spacing-xs);
}

.filters__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.filter-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--color-white);
  border-radius: var(--radius-full);
  padding: var(--spacing-xs) var(--spacing-md);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  backdrop-filter: blur(4px);
}
.filter-tag svg { width: 16px; height: 16px; }
.filter-tag:hover,
.filter-tag--active {
  background: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-primary);
}

/* ======= 6. SECTION COMMUNE ======= */
.section-title {
  font-family: var(--font-title);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.section-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
}

/* ======= 7. HÉBERGEMENTS + POPULAIRES ======= */
.section-split {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--spacing-2xl);
  padding: var(--spacing-3xl) var(--container-pad);
}

/* GRILLE HÉBERGEMENTS */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

/* CARD GÉNÉRIQUE */
.card {
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card__img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.card:hover .card__img { transform: scale(1.05); }

.card__badge {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.card__body {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.card__price {
  font-size: 0.85rem;
  color: var(--color-text-light);
}
.card__price strong { color: var(--color-primary); font-weight: 700; }

.card__stars {
  font-size: 0.85rem;
  color: #ffc107;
  letter-spacing: 1px;
}

/* BOUTON PLUS */
.btn-more {
  display: inline-flex;
  align-items: center;
  margin-top: var(--spacing-xl);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 2px;
  transition: color var(--transition), border-color var(--transition);
}
.btn-more:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* POPULAIRES (aside) */
.populaires {
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.populaires__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* CARD HORIZONTALE */
.card--horizontal .card__link {
  flex-direction: row;
  align-items: center;
}

.card__img-wrap--sm {
  width: 110px;
  min-width: 110px;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.card--horizontal .card__body {
  padding: var(--spacing-sm) var(--spacing-md);
}

/* ======= 8. ACTIVITÉS ======= */
.activites {
  background: var(--color-white);
  padding: var(--spacing-3xl) 0;
}

.activites__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--spacing-md);
}

.activites__col {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.activite-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #111;
}

.activite-card--tall {
  grid-row: 1 / 3;
}

.activite-card__img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  opacity: 0.85;
  transition: opacity var(--transition), transform 0.4s ease;
}
.activite-card--tall .activite-card__img { min-height: 440px; }

.activite-card:hover .activite-card__img {
  opacity: 0.65;
  transform: scale(1.04);
}

.activite-card__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-lg);
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, transparent 100%);
}

.activite-card__title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.3;
}

/* ======= 9. FOOTER ======= */
.footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.7);
  padding: var(--spacing-3xl) 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__brand .nav__logo {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  display: inline-flex;
}

.footer__tagline {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  max-width: 220px;
  line-height: 1.6;
}

.footer__heading {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__link {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer__link:hover { color: var(--color-white); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* ======= 10. RESPONSIVE — 768px ======= */
@media (max-width: 768px) {

  /* Nav burger */
  .nav__burger { display: flex; }
  .nav__links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    z-index: 99;
  }
  .nav__links--open { display: flex; }
  .nav__link--cta {
    text-align: center;
    width: 100%;
  }

  /* Hero */
  .hero { padding: var(--spacing-2xl) 0; }
  .hero__title { font-size: 2.2rem; }

  /* Search : colonne */
  .search {
    flex-direction: column;
    border-radius: var(--radius-md);
    overflow: visible;
    background: transparent;
    box-shadow: none;
    gap: var(--spacing-sm);
  }
  .search__field {
    background: var(--color-white);
    border-radius: var(--radius-md);
    border-right: none;
    box-shadow: var(--shadow-sm);
  }
  .search__btn {
    border-radius: var(--radius-md);
    height: 52px;
    justify-content: center;
    width: 100%;
  }

  /* Section split : une colonne */
  .section-split {
    grid-template-columns: 1fr;
    padding: var(--spacing-2xl) var(--container-pad);
  }
  .populaires { order: -1; }

  /* Cartes grille : 1 colonne */
  .cards-grid { grid-template-columns: 1fr; }

  /* Activités : 1 colonne */
  .activites__grid {
    grid-template-columns: 1fr;
  }
  .activite-card--tall { grid-row: auto; }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
  .footer__brand { grid-column: 1 / -1; }
}

/* ======= 11. RESPONSIVE — 1200px ======= */
@media (min-width: 1200px) {
  :root { --container-pad: 2.5rem; }

  .cards-grid { grid-template-columns: repeat(3, 1fr); }
  .activites__grid { gap: var(--spacing-lg); }
}

/* ======= 12. RESPONSIVE — entre 768px et 1024px ======= */
@media (min-width: 769px) and (max-width: 1024px) {
  .section-split {
    grid-template-columns: 1fr 300px;
  }
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
  .footer__brand { grid-column: 1 / -1; }
}