/* =====================================================
   RESPONSIVE.CSS — Adaptations pour tous les écrans
   Jubilé des 30 Ans — Madame Chantal BIYA
   CORRIGÉ — Problèmes de décalage et burger menu
   ===================================================== */

/* -------- TABLETTES (max-width: 1024px) -------- */
@media (max-width: 1024px) {
  :root {
    --section-padding: 100px;
    --gutter: 28px;
  }

  /* Navigation */
  .nav__list { gap: 20px; }
  .nav__link { font-size: 0.78rem; }

  /* Hero */
  .hero__title { font-size: clamp(2.2rem, 5.5vw, 3.8rem); }

  /* Intro */
  .intro__inner {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .intro__media-frame { top: 16px; left: -16px; }
  .intro__text { max-width: 100%; }

  /* Stats */
  .stats__inner { grid-template-columns: repeat(2, 1fr); gap: 30px; }

  /* Timeline */
  .timeline__item {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .timeline__item:nth-child(even) .timeline__image { order: 0; }
  .timeline__card { padding: 0; }
  .timeline__text { max-width: 100%; }

  /* Achievements */
  .achievements__grid { grid-template-columns: repeat(2, 1fr); }

  /* Programme */
  .programme__grid { grid-template-columns: repeat(3, 1fr); }

  /* Book */
  .book__inner {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  /* News */
  .news__grid { grid-template-columns: repeat(2, 1fr); }

  /* Partners */
  .partners__grid { grid-template-columns: repeat(3, 1fr); }

  /* Footer */
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

/* -------- MOBILES (max-width: 768px) -------- */
@media (max-width: 768px) {
  :root {
    --section-padding: 70px;
    --gutter: 20px;
  }

  /* Header */
  .header { 
    padding: 14px 0; 
  }
  .header.is-scrolled { 
    padding: 10px 0; 
  }
  .header__logo-text { 
    display: none; 
  }
  .header__logo-mark { 
    font-size: 1.2rem; 
  }
  
  /* Masquer la navigation desktop */
  .nav { 
    display: none !important; 
  }
  
  /* Afficher le burger */
  .burger { 
    display: flex !important; 
  }

  /* Burger animation - état actif */
  .burger.is-active .burger__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .burger.is-active .burger__line:nth-child(2) {
    opacity: 0;
  }
  .burger.is-active .burger__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Hero */
  .hero { 
    min-height: 100dvh; 
  }
  .hero__title { 
    font-size: clamp(2rem, 8vw, 3rem); 
  }
  .hero__subtitle { 
    font-size: 1rem; 
    margin-bottom: 30px;
  }
  .hero__actions { 
    flex-direction: column; 
    align-items: center; 
    gap: 14px; 
  }
  .hero__scroll { 
    bottom: 20px; 
  }
  .hero__scroll-label {
    font-size: 0.6rem;
  }
  
  .btn { 
    padding: 14px 28px; 
    font-size: 0.75rem; 
    width: 100%; 
    max-width: 260px; 
  }

  /* Stats */
  .stats { 
    padding: 60px 0; 
  }
  .stats__inner { 
    grid-template-columns: 1fr 1fr; 
    gap: 20px; 
  }
  .stat__number { 
    font-size: clamp(2rem, 6vw, 2.6rem); 
  }
  .stat__label { 
    font-size: 0.75rem; 
  }

  /* Timeline */
  .timeline { 
    padding: 60px 0; 
  }
  .timeline__list { 
    gap: 40px; 
  }
  .timeline__year { 
    font-size: 0.9rem; 
  }
  .timeline__title { 
    font-size: 1.2rem; 
  }
  .timeline__text {
    font-size: 0.9rem;
  }

  /* Achievements */
  .achievements { 
    padding: 60px 0; 
  }
  .achievements__grid { 
    grid-template-columns: 1fr; 
    max-width: 400px; 
    margin: 0 auto; 
  }

  /* Gallery */
  .gallery { 
    padding: 60px 0; 
  }
  .gallery__grid { 
    columns: 2 140px; 
    column-gap: 12px; 
  }
  .gallery__item { 
    margin-bottom: 12px; 
  }
  .gallery__filters { 
    gap: 6px; 
    margin-top: 20px;
  }
  .gallery__filter { 
    padding: 6px 14px; 
    font-size: 0.7rem; 
  }

  /* Lightbox */
  .lightbox__image { 
    max-width: 92vw; 
    max-height: 70vh; 
  }
  .lightbox__close { 
    top: 16px; 
    right: 20px; 
    font-size: 1.6rem; 
  }
  .lightbox__prev { 
    left: 12px; 
    font-size: 1.6rem;
  }
  .lightbox__next { 
    right: 12px; 
    font-size: 1.6rem;
  }

  /* Programme */
  .programme { 
    padding: 60px 0; 
  }
  .programme__grid { 
    grid-template-columns: 1fr 1fr; 
    gap: 14px; 
  }
  .programme-card { 
    padding: 20px 16px; 
  }
  .programme-card__title { 
    font-size: 0.95rem; 
  }
  .programme-card__day {
    font-size: 1.1rem;
  }
  .programme-card__list li {
    font-size: 0.78rem;
    padding: 4px 0;
  }

  /* Book */
  .book { 
    padding: 60px 0; 
  }
  .book__text {
    font-size: 0.95rem;
  }

  /* News */
  .news { 
    padding: 60px 0; 
  }
  .news__grid { 
    grid-template-columns: 1fr; 
    max-width: 400px; 
    margin: 0 auto; 
  }

  /* Partners */
  .partners { 
    padding: 60px 0; 
  }
  .partners__grid { 
    grid-template-columns: repeat(2, 1fr); 
    gap: 20px; 
  }

  /* Final CTA */
  .final-cta { 
    min-height: 60vh; 
  }
  .final-cta__title { 
    font-size: clamp(1.6rem, 6vw, 2.2rem); 
  }

  /* Footer */
  .footer { 
    padding: 50px 0 0; 
  }
  .footer__inner {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-bottom: 30px;
  }
  .footer__tagline { 
    max-width: 100%; 
  }
  .footer__bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 16px var(--gutter) 20px;
    gap: 8px;
  }
  .footer__legal { 
    gap: 14px; 
    flex-wrap: wrap; 
    justify-content: center; 
  }
  .footer__heading {
    margin-bottom: 12px;
  }
  .footer__nav ul li, .footer__social-list li {
    margin-bottom: 8px;
    font-size: 0.85rem;
  }

  /* Section headers */
  .timeline__header, .achievements__header, .gallery__header, 
  .programme__header, .news__header, .partners__header {
    margin-bottom: 40px;
  }
  .section-title {
    font-size: clamp(1.8rem, 6vw, 2.4rem);
  }
  .eyebrow {
    font-size: 0.7rem;
    padding-left: 28px;
    margin-bottom: 12px;
  }
  .eyebrow::before {
    width: 18px;
  }
}

/* -------- PETITS MOBILES (max-width: 480px) -------- */
@media (max-width: 480px) {
  :root {
    --section-padding: 50px;
    --gutter: 16px;
  }

  .section-title { 
    font-size: clamp(1.5rem, 7vw, 1.9rem); 
  }

  /* Stats */
  .stats__inner { 
    grid-template-columns: 1fr 1fr; 
    gap: 14px; 
  }
  .stat__number { 
    font-size: clamp(1.8rem, 5vw, 2.2rem); 
  }
  .stat__label { 
    font-size: 0.68rem; 
  }

  /* Gallery */
  .gallery__grid { 
    columns: 1; 
  }
  .gallery__filters { 
    gap: 4px; 
  }
  .gallery__filter { 
    padding: 4px 10px; 
    font-size: 0.65rem; 
  }

  /* Programme */
  .programme__grid { 
    grid-template-columns: 1fr; 
    max-width: 320px; 
    margin: 0 auto; 
  }

  /* Partners */
  .partners__grid { 
    grid-template-columns: 1fr 1fr; 
    gap: 12px; 
  }

  /* Mobile menu */
  .mobile-menu__link { 
    font-size: 1.4rem; 
    padding: 10px 0; 
  }

  /* Hero */
  .hero__title {
    font-size: clamp(1.8rem, 9vw, 2.4rem);
  }
  .btn {
    padding: 12px 20px;
    font-size: 0.7rem;
    max-width: 220px;
  }
}

/* -------- TABLETTES PAYSAGE (max-height: 600px) -------- */
@media (max-height: 600px) and (min-width: 768px) {
  .hero { 
    min-height: 100vh; 
  }
  .hero__title { 
    font-size: clamp(1.8rem, 4vw, 2.8rem); 
  }
  .hero__subtitle { 
    font-size: 0.95rem; 
    margin-bottom: 24px; 
  }
  .hero__scroll { 
    display: none; 
  }
  .hero__actions .btn {
    padding: 12px 24px;
    font-size: 0.7rem;
  }
}

/* -------- ÉCRANS LARGES (min-width: 1600px) -------- */
@media (min-width: 1600px) {
  :root {
    --container-width: 1440px;
    --section-padding: 190px;
  }

  .hero__title { 
    font-size: clamp(3.6rem, 5.5vw, 6.4rem); 
  }
  .intro__inner { 
    gap: 120px; 
  }
  .achievements__grid { 
    gap: 40px; 
  }
  .programme__grid { 
    gap: 30px; 
  }
}

/* -------- CORRECTION : ÉVITER LES DÉBORDEMENTS -------- */
* {
  max-width: 100%;
  box-sizing: border-box;
}

img, video {
  max-width: 100%;
  height: auto;
}

/* Correction pour le menu burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  z-index: 1100;
  background: transparent;
  padding: 5px;
  cursor: pointer;
}

.burger__line {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-white);
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
  transform-origin: center;
}

/* Header scrollé - burger blanc → noir */
.header.is-scrolled .burger__line {
  background: var(--color-black);
}

/* État actif du burger (menu ouvert) */
.burger.is-active .burger__line {
  background: var(--color-white) !important;
}

.burger.is-active .burger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger.is-active .burger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.burger.is-active .burger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Correction mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-black);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-20px);
  transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease;
  padding: 40px 20px;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu__list {
  text-align: center;
  padding: 0;
  margin: 0;
}

.mobile-menu__link {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-white);
  padding: 14px 0;
  opacity: 0.85;
  transition: opacity 0.3s ease, color 0.3s ease;
}

.mobile-menu__link:hover {
  opacity: 1;
  color: var(--color-gold);
}

/* Correction header sur mobile */
@media (max-width: 768px) {
  .header__inner {
    padding: 0 16px;
  }
  
  .header__logo {
    gap: 6px;
  }
  
  .header__logo-mark {
    font-size: 1.1rem;
  }
  
  /* S'assurer que le burger est toujours visible */
  .burger {
    display: flex !important;
  }
}

/* Correction des sections qui débordent */
section {
  overflow: hidden;
  width: 100%;
}

.container, .intro__inner, .stats__inner, .timeline__track, 
.achievements__grid, .gallery__grid, .programme__grid, 
.book__inner, .news__grid, .partners__grid, .footer__inner {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}