/* =============================================
   LES TRIOPS DE BÉRÉNICE - Charte graphique
   ============================================= */

/* Variables de couleurs */
:root {
  /* Couleurs principales */
  --turquoise: #7DD3D3;
  --turquoise-light: #B5E8E8;
  --turquoise-dark: #5BBABA;

  /* Couleurs des icônes */
  --rose: #F4B5C5;
  --rose-dark: #E89AAD;
  --orange: #F5D4A8;
  --orange-dark: #E8C088;
  --vert: #98D8A8;
  --vert-dark: #78C890;
  --bleu: #A8D0F0;
  --bleu-dark: #88B8E0;
  --violet: #D8C0E8;
  --violet-dark: #C8A8D8;
  --jaune: #F8F0B0;
  --jaune-dark: #E8E098;
  --beige: #F5E8D8;
  --beige-dark: #E8D8C8;

  /* Neutres */
  --blanc: #FFFFFF;
  --gris-clair: #F8F8F8;
  --gris: #E0E0E0;
  --gris-fonce: #666666;
  --noir: #333333;

  /* Typographie */
  --font-titre: 'Pompiere', 'Quicksand', cursive;
  --font-texte: 'Open Sans', 'Segoe UI', sans-serif;

  /* Espacements */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;

  /* Bordures */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 50%;

  /* Ombres */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: var(--font-texte);
  color: var(--noir);
  background-color: var(--blanc);
  line-height: 1.6;
}

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

a {
  color: var(--turquoise-dark);
  text-decoration: none;
  transition: var(--transition);
}

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

ul {
  list-style: none;
}

/* =============================================
   Typographie
   ============================================= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-titre);
  font-weight: 600;
  line-height: 1.3;
  color: var(--noir);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-sm);
}

/* =============================================
   Layout
   ============================================= */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
}

.section--alt {
  background-color: var(--gris-clair);
}

/* =============================================
   Header & Navigation
   ============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--blanc);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
}

.header__logo {
  height: 45px;
  width: auto;
}

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
  flex-shrink: 0;
}

.header__title {
  font-family: 'Pompiere', cursive;
  font-size: 1.3rem;
  color: var(--turquoise-dark);
  margin: 0;
  line-height: 1.2;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .header__title {
    display: none;
  }

  .header__logo {
    height: 60px;
  }
}

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

.nav__link {
  font-family: 'Quicksand', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--noir);
  padding: var(--spacing-xs) 0.6rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link--active,
.nav__dropdown-toggle.nav__link--active {
  color: var(--noir);
  background-color: var(--turquoise-light);
}

.nav__dropdown-link--active {
  font-weight: 700;
  background-color: var(--turquoise-light);
}

/* Dropdown navigation */
.nav__dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.nav__dropdown-toggle {
  font-family: 'Quicksand', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--noir);
  padding: var(--spacing-xs) 0.6rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.nav__dropdown-toggle:hover {
  color: var(--turquoise-dark);
  background-color: var(--turquoise-light);
}

.nav__arrow {
  font-size: 0.75rem;
  transition: transform 0.3s ease;
}

.nav__dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background-color: var(--blanc);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xs) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-5px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
  z-index: 100;
}

.nav__dropdown:hover .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown:hover .nav__arrow {
  transform: rotate(180deg);
}

.nav__dropdown-link {
  display: block;
  padding: var(--spacing-xs) var(--spacing-sm);
  color: var(--noir);
  font-family: 'Quicksand', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

.nav__dropdown-link:hover {
  background-color: var(--turquoise-light);
  color: var(--turquoise-dark);
}

/* Menu mobile */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav__toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--noir);
  margin: 5px 0;
  border-radius: 2px;
  transition: var(--transition);
}

@media (max-width: 768px) {
  .nav__toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--blanc);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    display: none;
    gap: 0;
  }

  .nav--open {
    display: flex;
  }

  .nav__link {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--gris);
  }

  .nav__dropdown {
    flex-direction: column;
    align-items: stretch;
  }

  .nav__dropdown-toggle {
    width: 100%;
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--gris);
    justify-content: space-between;
  }

  .nav__dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    max-height: 0;
    overflow: hidden;
    padding: 0;
    transition: max-height 0.3s ease;
    background-color: var(--gris-clair);
    border-radius: 0;
  }

  .nav__dropdown--open .nav__dropdown-menu {
    max-height: 300px;
  }

  .nav__dropdown--open .nav__arrow {
    transform: rotate(180deg);
  }

  .nav__dropdown:hover .nav__dropdown-menu {
    max-height: 0;
  }

  .nav__dropdown:hover .nav__arrow {
    transform: none;
  }

  .nav__dropdown--open:hover .nav__dropdown-menu {
    max-height: 300px;
  }

  .nav__dropdown--open:hover .nav__arrow {
    transform: rotate(180deg);
  }

  .nav__dropdown-link {
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--gris);
  }
}

/* =============================================
   Hero Section
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 80px;
  background: linear-gradient(135deg, var(--turquoise-light) 0%, var(--blanc) 50%, var(--vert) 100%);
  background-size: 200% 200%;
  animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero__content {
  max-width: 800px;
  padding: var(--spacing-md);
}

.hero__logo {
  width: 250px;
  margin: 0 auto var(--spacing-md);
  animation: float 3s ease-in-out infinite;
  border-radius: var(--radius-full);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero__title {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  color: var(--noir);
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--gris-fonce);
  margin-bottom: var(--spacing-lg);
}

/* =============================================
   Boutons
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-titre);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn--primary {
  background-color: var(--turquoise);
  color: var(--noir);
}

.btn--primary:hover {
  background-color: var(--turquoise-dark);
  color: var(--noir);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: var(--blanc);
  color: var(--turquoise-dark);
  border: 2px solid var(--turquoise);
}

.btn--secondary:hover {
  background-color: var(--turquoise-light);
  color: var(--turquoise-dark);
}

/* =============================================
   Cards (Icônes sections)
   ============================================= */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.card {
  background-color: var(--blanc);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card__icon {
  width: 180px;
  height: 180px;
  margin: 0 auto var(--spacing-sm);
  object-fit: contain;
}

.card__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.card__desc {
  color: var(--gris-fonce);
  font-size: 0.95rem;
}

/* Variantes de couleurs pour les cards */
.card--rose { border-top: 4px solid var(--rose); }
.card--orange { border-top: 4px solid var(--orange); }
.card--vert { border-top: 4px solid var(--vert); }
.card--bleu { border-top: 4px solid var(--bleu); }
.card--violet { border-top: 4px solid var(--violet); }
.card--jaune { border-top: 4px solid var(--jaune); }
.card--beige { border-top: 4px solid var(--beige-dark); }

/* =============================================
   Biologie - Bio Cards
   ============================================= */
.bio-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  margin-bottom: var(--spacing-xl);
  background-color: var(--blanc);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.bio-card--stacked {
  grid-template-columns: 1fr;
  text-align: center;
}

.bio-card--stacked .bio-card__image {
  min-height: auto;
  max-height: 500px;
}

.bio-card--stacked .bio-card__image img,
.bio-card--stacked .bio-card__image video {
  object-fit: contain;
  max-height: 500px;
}

.bio-card--stacked .bio-card__number {
  position: static;
  display: block;
  opacity: 0.5;
  margin-bottom: var(--spacing-xs);
}

.bio-card--stacked .bio-card__content {
  padding: var(--spacing-md) var(--spacing-lg);
}

.bio-card--reverse {
  direction: rtl;
}

.bio-card--reverse > * {
  direction: ltr;
}

.bio-card__image {
  height: 100%;
  min-height: 400px;
  overflow: hidden;
  background-color: var(--blanc);
  display: flex;
  align-items: center;
  justify-content: center;
}

.bio-card__image--placeholder {
  background: linear-gradient(135deg, var(--turquoise-light) 0%, var(--vert) 100%);
  padding: var(--spacing-md);
}

.bio-card__image--placeholder img {
  width: 60%;
  height: auto;
  object-fit: contain;
}

.bio-card__image img,
.bio-card__image video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: var(--transition);
}

.bio-card:hover .bio-card__image img,
.bio-card:hover .bio-card__image video {
  transform: scale(1.05);
}

.bio-card__content {
  padding: var(--spacing-lg) var(--spacing-xl);
  position: relative;
}

.bio-card__number {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-md);
  font-family: var(--font-titre);
  font-size: 4rem;
  font-weight: 700;
  color: var(--turquoise-light);
  line-height: 1;
  opacity: 0.5;
}

.bio-card--reverse .bio-card__number {
  right: auto;
  left: var(--spacing-md);
}

.bio-card__title {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--turquoise-dark);
}

.bio-card__text {
  color: var(--gris-fonce);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .bio-card {
    grid-template-columns: 1fr;
  }

  .bio-card--reverse {
    direction: ltr;
  }

  .bio-card__image {
    min-height: 300px;
  }

  .bio-card__content {
    padding: var(--spacing-md);
  }

  .bio-card__number {
    font-size: 3rem;
    top: var(--spacing-xs);
    right: var(--spacing-sm);
  }

  .bio-card--reverse .bio-card__number {
    right: var(--spacing-sm);
    left: auto;
  }
}

/* =============================================
   Guide - Timeline
   ============================================= */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--turquoise), var(--vert));
  border-radius: 2px;
}

.timeline__item {
  position: relative;
  padding: var(--spacing-md);
  width: 50%;
  margin-bottom: var(--spacing-md);
}

.timeline__item:nth-child(odd) {
  left: 0;
  padding-right: var(--spacing-lg);
  text-align: right;
}

.timeline__item:nth-child(even) {
  left: 50%;
  padding-left: var(--spacing-lg);
}

.timeline__item::before {
  content: '';
  position: absolute;
  top: var(--spacing-md);
  width: 20px;
  height: 20px;
  background-color: var(--turquoise);
  border: 4px solid var(--blanc);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

.timeline__item:nth-child(odd)::before {
  right: -10px;
}

.timeline__item:nth-child(even)::before {
  left: -10px;
}

.timeline__content {
  background-color: var(--blanc);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.timeline__img {
  display: block;
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
}

.timeline__day {
  display: inline-block;
  background-color: var(--turquoise);
  color: var(--noir);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }

  .timeline__item {
    width: 100%;
    left: 0 !important;
    padding-left: 60px !important;
    padding-right: 0 !important;
    text-align: left !important;
  }

  .timeline__item::before {
    left: 10px !important;
    right: auto !important;
  }
}

/* =============================================
   Guide - Sections
   ============================================= */
.guide-section {
  margin-bottom: var(--spacing-xl);
}

.guide-section__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.guide-section__icon {
  width: 120px;
  height: 120px;
  object-fit: contain;
}

.guide-section__content {
  background-color: var(--blanc);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

/* Photos dans les sections */
.photos {
  display: grid;
  gap: var(--spacing-sm);
  max-width: 560px;
  margin: var(--spacing-sm) auto var(--spacing-md);
}

.photos--2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 100%;
}

.photo {
  margin: 0;
}

.photo img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.photos--2 .photo img {
  aspect-ratio: 4 / 3;
}

.photo figcaption {
  margin-top: 0.4rem;
  text-align: center;
  font-size: 0.9rem;
  font-style: italic;
  color: var(--gris-fonce);
}

@media (max-width: 600px) {
  .photos--2 {
    grid-template-columns: 1fr;
  }
}

/* Liste avec puces personnalisées */
.list-check {
  margin: var(--spacing-sm) 0;
}

.list-check li {
  position: relative;
  padding-left: 30px;
  margin-bottom: var(--spacing-xs);
}

.list-check li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--turquoise);
  font-weight: bold;
}

/* Tips/Conseils */
.tip {
  background-color: var(--turquoise-light);
  border-left: 4px solid var(--turquoise);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: var(--spacing-sm) 0;
}

.tip--warning {
  background-color: var(--orange);
  border-left-color: var(--orange-dark);
}

.tip__title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

/* =============================================
   À propos
   ============================================= */
.about {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.about__image {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
  .about {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about__image {
    max-width: 300px;
    margin: 0 auto;
  }
}

/* =============================================
   Footer
   ============================================= */
.footer {
  background-color: var(--noir);
  color: var(--blanc);
  padding: var(--spacing-lg) 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.footer__title {
  color: var(--turquoise);
  margin-bottom: var(--spacing-sm);
}

.footer__link {
  color: var(--gris);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.footer__link:hover {
  color: var(--turquoise);
}

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

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--gris-fonce);
  border-radius: var(--radius-full);
  color: var(--blanc);
  transition: var(--transition);
}

.footer__social a:hover {
  background-color: var(--turquoise);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-md);
  border-top: 1px solid var(--gris-fonce);
  color: var(--gris);
  font-size: 0.9rem;
}

/* =============================================
   Animations
   ============================================= */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   Utilities
   ============================================= */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* =============================================
   Pros / Cons (avantages / désavantages)
   ============================================= */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

@media (max-width: 600px) {
  .pros-cons {
    grid-template-columns: 1fr;
  }
}

.pros-cons__col {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
}

.pros-cons__col--pro {
  background-color: #e8f5e9;
  border-left: 4px solid var(--vert-dark);
}

.pros-cons__col--con {
  background-color: #fff3e0;
  border-left: 4px solid var(--orange-dark);
}

.pros-cons__title {
  font-family: var(--font-titre);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.pros-cons__col--pro .pros-cons__title {
  color: var(--vert-dark);
}

.pros-cons__col--con .pros-cons__title {
  color: var(--orange-dark);
}

.pros-cons__list {
  margin: 0;
}

.pros-cons__list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
}

.pros-cons__list li::before {
  position: absolute;
  left: 0;
  font-weight: bold;
}

.pros-cons__col--pro .pros-cons__list li::before {
  content: '+';
  color: var(--vert-dark);
}

.pros-cons__col--con .pros-cons__list li::before {
  content: '-';
  color: var(--orange-dark);
}

.hidden { display: none; }

/* =============================================
   Product Cards (Boutique)
   ============================================= */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.product-card {
  background-color: var(--blanc);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.product-card__image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--turquoise-light) 0%, var(--vert) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-card__image img {
  max-width: 60%;
  max-height: 80%;
  object-fit: contain;
}

.product-card__image--photo {
  background: var(--gris-clair);
}

.product-card__image--photo img {
  max-width: 100%;
  max-height: 100%;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.boutique-categorie {
  margin: var(--spacing-lg) 0 var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 3px solid var(--turquoise-light);
  font-size: 1.6rem;
}

.product-card[id] {
  scroll-margin-top: 110px;
}

.product-card .construction-badge {
  align-self: flex-start;
}

.product-card__content {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--turquoise-dark);
}

.product-card__desc {
  color: var(--gris-fonce);
  font-size: 0.95rem;
  flex: 1;
}

.product-card__link {
  margin-top: var(--spacing-sm);
  align-self: flex-start;
}

/* =============================================
   Video Cards (Ressources)
   ============================================= */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-lg);
}

@media (max-width: 500px) {
  .videos-grid {
    grid-template-columns: 1fr;
  }
}

.video-card {
  display: block;
  background-color: var(--blanc);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.video-card__thumbnail {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* Ratio 16:9 */
  height: 0;
  overflow: hidden;
  background-color: #000;
}

.video-card__thumbnail img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-card__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 68px;
  height: 48px;
  background-color: rgba(255, 0, 0, 0.9);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.video-card__play::after {
  content: '';
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}

.video-card:hover .video-card__play {
  background-color: rgba(255, 0, 0, 1);
  transform: translate(-50%, -50%) scale(1.1);
}

.video-card__content {
  padding: var(--spacing-md);
}

.video-card__title {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
  color: var(--noir);
}

.video-card__author {
  color: var(--gris-fonce);
  font-size: 0.9rem;
  margin: 0;
}

.video-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--turquoise-dark);
  font-weight: 500;
  font-size: 0.9rem;
}

.video-card__link:hover {
  color: var(--turquoise);
}

.video-card__link svg {
  width: 16px;
  height: 16px;
}

/* =============================================
   Mentions légales
   ============================================= */
.legal {
  max-width: 750px;
  margin: 0 auto;
}

.legal h2 {
  font-size: 1.8rem;
  margin: var(--spacing-md) 0 var(--spacing-xs);
}

.legal h2:first-child {
  margin-top: 0;
}

.legal p {
  color: var(--gris-fonce);
  line-height: 1.8;
}

.footer__link--inline {
  display: inline;
  text-decoration: underline;
}

/* =============================================
   Glossaire
   ============================================= */
.glossaire {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-sm);
}

.glossaire__item {
  background: var(--blanc);
  border-left: 4px solid var(--turquoise);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  scroll-margin-top: 110px;
}

.glossaire__item dt {
  font-family: var(--font-titre);
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.glossaire__item dd {
  margin: 0;
  color: var(--gris-fonce);
  line-height: 1.6;
}

@media (max-width: 500px) {
  .glossaire {
    grid-template-columns: 1fr;
  }
}

/* =============================================
   Bouton haut de page
   ============================================= */
.to-top {
  position: fixed;
  right: var(--spacing-sm);
  bottom: var(--spacing-sm);
  z-index: 900;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--turquoise);
  color: var(--noir);
  font-size: 1.5rem;
  line-height: 1;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
}

.to-top--visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover {
  background: var(--turquoise-dark);
}

/* =============================================
   En construction
   ============================================= */
.construction {
  background: repeating-linear-gradient(-45deg, var(--jaune), var(--jaune) 18px, var(--jaune-dark) 18px, var(--jaune-dark) 36px);
  padding: var(--spacing-sm) 0;
}

.construction__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.construction__inner p {
  margin: 0;
  padding: 0.4rem 1rem;
  background: var(--blanc);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  color: var(--noir);
  text-align: center;
}

.construction__icon {
  font-size: 1.6rem;
}

.construction-badge {
  display: inline-block;
  margin-bottom: var(--spacing-xs);
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  background: var(--jaune);
  border: 1px solid var(--jaune-dark);
  font-size: 0.85rem;
  font-weight: 600;
}

.btn--disabled {
  background: var(--gris);
  color: var(--gris-fonce);
  cursor: not-allowed;
  box-shadow: none;
  pointer-events: none;
}

/* =============================================
   Galerie photos
   ============================================= */
.galerie-nav {
  position: sticky;
  top: 77px;
  z-index: 50;
  background: var(--blanc);
  border-bottom: 1px solid var(--gris);
  box-shadow: var(--shadow-sm);
}

.galerie-nav__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-xs);
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.galerie-nav__link {
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: var(--turquoise-light);
  color: var(--noir);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

.galerie-nav__link:hover {
  background: var(--turquoise);
  color: var(--noir);
}

.galerie-colonie {
  scroll-margin-top: 140px;
}

.galerie-colonie__header {
  display: flex;
  align-items: baseline;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.galerie-colonie__title {
  margin: 0;
}

.galerie-colonie__date {
  padding: 0.2rem 0.8rem;
  border-radius: 999px;
  background: var(--rose);
  font-size: 0.9rem;
  font-weight: 600;
}

.galerie-colonie__espece {
  padding: 0.2rem 0.8rem;
  border-radius: 999px;
  background: var(--vert);
  font-size: 0.9rem;
}

/* Mosaïque en colonnes (respecte les formats portrait / paysage) */
.galerie-grid {
  columns: 3 280px;
  column-gap: var(--spacing-sm);
}

.galerie-item {
  display: block;
  margin-bottom: var(--spacing-sm);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  break-inside: avoid;
  cursor: zoom-in;
}

.galerie-item img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.4s ease;
}

.galerie-item:hover img,
.galerie-item:focus-visible img {
  transform: scale(1.04);
}

/* Visionneuse */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(20, 20, 20, 0.92);
  padding: var(--spacing-md);
}

.lightbox[hidden] {
  display: none;
}

.lightbox__figure {
  max-width: 100%;
  max-height: 100%;
  text-align: center;
}

.lightbox__img {
  max-width: min(1600px, 85vw);
  max-height: 82vh;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}

.lightbox__caption {
  margin-top: var(--spacing-xs);
  color: var(--blanc);
  font-size: 0.95rem;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: var(--blanc);
  cursor: pointer;
  border-radius: var(--radius-full);
  width: 48px;
  height: 48px;
  font-size: 2rem;
  line-height: 1;
  transition: var(--transition);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  background: var(--turquoise-dark);
}

.lightbox__close {
  top: var(--spacing-sm);
  right: var(--spacing-sm);
}

.lightbox__prev {
  left: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next {
  right: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
}

@media (max-width: 768px) {
  .galerie-nav {
    top: 92px;
  }
}

@media (max-width: 600px) {
  .galerie-grid {
    columns: 2 140px;
    column-gap: var(--spacing-xs);
  }

  .galerie-item {
    margin-bottom: var(--spacing-xs);
    border-radius: var(--radius-sm);
  }

  .lightbox {
    padding: var(--spacing-xs);
  }

  .lightbox__img {
    max-width: 100%;
  }

  .lightbox__prev,
  .lightbox__next {
    top: auto;
    bottom: var(--spacing-sm);
    transform: none;
  }
}

/* =============================================
   Print
   ============================================= */
@media print {
  .header, .footer, .btn {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: var(--spacing-md);
  }
}