/* ============================================================
   Kermesse 2026 — Espace Montessori Nancy
   Mobile-first · Charte officielle : Poppins + Lato
   Couleurs : #09454F · #29C4A9 · #FF6900 · #FCB900
   ============================================================ */

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

:root {
  /* Colors — charte officielle */
  --color-primary:       #09454F;
  --color-secondary:     #29C4A9;
  --color-accent:        #FF6900;
  --color-accent-light:  #FF8C42;
  --color-highlight:     #FCB900;
  --color-light:         #82C0C7;
  --color-bg:            #FFFFFF;
  --color-text:          #464646;
  --color-text-light:    #555555;
  --color-gray:          #F3F3F3;

  /* Fonts — charte officielle */
  --font-body:           'Lato', system-ui, -apple-system, sans-serif;
  --font-heading:        'Poppins', system-ui, -apple-system, sans-serif;

  /* 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;

  /* Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
}

/* ----- BASE ----- */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

.container {
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ----- SECTION TITLES ----- */
.section-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--space-xl);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  overflow: hidden;
  padding: var(--space-2xl) 0 var(--space-xl);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.hero__logo-wrap {
  display: flex;
  justify-content: center;
}

.hero__logo {
  width: 120px;
  height: auto;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.15));
}

.hero__tagline {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--color-light);
  letter-spacing: 0.03em;
  margin-top: -0.5rem;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  margin-top: var(--space-sm);
}

.hero__subtitle {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-top: -0.25rem;
}

.hero__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 100%;
  max-width: 28rem;
  margin-top: var(--space-md);
}

.hero__info-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(4px);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  text-align: left;
  font-size: 0.9rem;
}

.hero__info-item div {
  display: flex;
  flex-direction: column;
}

.hero__info-icon {
  flex-shrink: 0;
  font-size: 1.3rem;
  width: 2.2rem;
  height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-secondary);
  border-radius: 50%;
}

/* ============================================================
   COUNTDOWN — Vert #29C4A9 (charte officielle)
   ============================================================ */
.countdown {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: var(--space-md);
  font-family: var(--font-heading);
}

.countdown__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 3rem;
}

.countdown__num {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-secondary);
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.countdown__label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.8;
  margin-top: 0.2rem;
}

.countdown__sep {
  font-size: 1.8rem;
  font-weight: 700;
  opacity: 0.4;
  margin: 0 0.3rem;
  margin-bottom: 1.2rem;
  color: var(--color-secondary);
}

.countdown__event {
  font-size: 0.85rem;
  opacity: 0.85;
  margin-top: var(--space-sm);
}

/* ============================================================
   PROGRAMME — Tabs + Activities
   ============================================================ */
.programme {
  padding: var(--space-2xl) 0;
}

/* Tabs */
.tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.tab {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  padding: var(--space-sm) var(--space-lg);
  border: 2px solid var(--color-light);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-primary);
  cursor: pointer;
  transition: all 0.25s ease;
}

.tab:hover {
  border-color: var(--color-secondary);
  background: rgba(41, 196, 169, 0.08);
}

.tab.active {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #fff;
}

/* Tab Panels */
.tab-panel {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Activities Grid */
.activities-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.activity-card {
  background: var(--color-gray);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  border: 2px solid transparent;
  transition: all 0.25s ease;
}

.activity-card:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 4px 12px rgba(41, 196, 169, 0.15);
}

.activity-card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
}

.activity-card-link:hover .activity-card__title {
  color: var(--color-accent);
}

/* ---- Mystery card (indices 2-6) ---- */
.activity-card__mystery {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
}

.mystery-q {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  opacity: 0.3;
  animation: mystery-pulse 3s ease-in-out infinite;
}

@keyframes mystery-pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.1); opacity: 0.6; }
}

.activity-card-link:hover .mystery-q {
  opacity: 0.8;
  color: var(--color-accent);
}

.activity-card__desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* Clickable card link */
.activity-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.2s ease;
}

.activity-card-link:hover {
  transform: translateY(-2px);
}

.activity-card-link:hover .activity-card {
  border-color: var(--color-secondary);
  box-shadow: 0 4px 12px rgba(41, 196, 169, 0.15);
}

/* Indice badge */
.activity-card {
  position: relative;
}

.activity-card__badge {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
  box-shadow: 0 2px 6px rgba(255, 105, 0, 0.3);
}

/* ============================================================
   HERO — Mini (page indice)
   ============================================================ */
.hero--mini {
  padding: var(--space-lg) 0 var(--space-md);
}

.hero--mini .hero__inner {
  gap: var(--space-sm);
}

.hero--mini .hero__logo {
  width: 80px;
}

.hero--mini .hero__tagline {
  font-size: 0.75rem;
  margin-top: inherit;
}

.hero__back {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--color-light);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
  margin-top: var(--space-xs);
}

.hero__back:hover {
  color: #fff;
}

/* ============================================================
   INDICE — Page détail
   ============================================================ */
.indice-detail {
  padding: var(--space-2xl) 0;
  min-height: 50vh;
}

.indice-detail__card {
  max-width: 36rem;
  margin: 0 auto;
  background: var(--color-gray);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  border: 2px solid var(--color-light);
}

.indice-detail__header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.indice-detail__badge {
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.2rem 0.8rem;
  border-radius: var(--radius-full);
}

.indice-detail__niveau {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-bg);
  padding: 0.2rem 0.8rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-light);
}

.indice-detail__title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.indice-detail__desc {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  text-align: center;
}

.indice-detail__error {
  text-align: center;
  padding: var(--space-2xl);
}

.indice-detail__error p {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

/* ============================================================
   RESPONSIVE — INDICE PAGE
   ============================================================ */
@media (min-width: 48rem) {
  .indice-detail__card {
    padding: var(--space-2xl) var(--space-3xl);
  }

  .indice-detail__title {
    font-size: 2rem;
  }

  .hero--mini .hero__logo {
    width: 100px;
  }
}

@media (min-width: 72rem) {
  .indice-detail__title {
    font-size: 2.2rem;
  }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: var(--space-2xl) 0;
  background: var(--color-gray);
}

.about__content {
  max-width: 48rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.about__content p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.about__link {
  display: inline-block;
  margin-top: var(--space-lg);
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  padding: var(--space-sm) var(--space-xl);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
  transition: all 0.25s ease;
}

.about__link:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2xl) 0 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.footer__brand {
  text-align: center;
}

.footer__logo {
  width: 120px;
  height: auto;
  margin: 0 auto var(--space-sm);
}

.footer__tagline {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--color-light);
  font-size: 0.85rem;
}

.footer__heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  color: var(--color-secondary);
}

.footer__contact p,
.footer__org p,
.footer__link {
  font-size: 0.85rem;
  margin-bottom: var(--space-xs);
  opacity: 0.9;
}

.footer__link {
  color: inherit;
  text-decoration: none;
  display: inline-block;
}

.footer__link:hover {
  opacity: 1;
  color: var(--color-secondary);
  text-decoration: underline;
}

.footer__date {
  margin-top: var(--space-sm);
  font-weight: 600;
  opacity: 1 !important;
  color: var(--color-highlight);
}

.footer__bottom {
  margin-top: var(--space-xl);
  padding: var(--space-md) 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.7;
}

/* ============================================================
   RESPONSIVE — TABLET (≥48rem / 768px)
   ============================================================ */
@media (min-width: 48rem) {

  .hero {
    padding: var(--space-3xl) 0 var(--space-2xl);
  }

  .hero__logo-wrap {
    position: absolute;
    top: var(--space-lg);
    left: var(--space-lg);
    justify-content: flex-start;
  }

  .hero__logo {
    width: 132px;
  }

  .hero__title {
    font-size: 3.5rem;
  }

  .hero__subtitle {
    font-size: 1.3rem;
  }

  .hero__info {
    flex-direction: row;
    max-width: 36rem;
  }

  .hero__info-item {
    flex: 1;
  }

  .countdown__num {
    font-size: 2.5rem;
  }

  .countdown__item {
    min-width: 3.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .activities-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
  }

  .footer__brand {
    text-align: left;
    flex: 1;
  }

  .footer__logo {
    margin: 0 0 var(--space-sm);
  }

  .footer__contact,
  .footer__org {
    flex: 1;
  }
}

/* ============================================================
   RESPONSIVE — DESKTOP (≥72rem / 1152px)
   ============================================================ */
@media (min-width: 72rem) {

  .hero__title {
    font-size: 4.5rem;
  }

  .hero__logo {
    width: 160px;
  }

  .countdown__num {
    font-size: 3rem;
  }

  .countdown__item {
    min-width: 4rem;
  }

  .activities-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .hero {
    background: var(--color-primary) !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .hero__info-item {
    background: rgba(255,255,255,0.12) !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}