/* ===================================================
   Les Matelots Sans Bateaux — Style ligne claire Hergé
   Palette : bleu marine, jaune, blanc, rouge
   Fonts : Bangers (titres BD) + Nunito (corps)
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bangers&family=Nunito:ital,wght@0,400;0,600;0,700;0,800;1,400&display=swap');

:root {
  --bleu: #1a3a6e;
  --bleu-fonce: #0f2447;
  --bleu-ciel: #2a6bbf;
  --jaune: #FFD600;
  --jaune-clair: #FFF176;
  --rouge: #D32F2F;
  --rouge-vif: #F44336;
  --blanc: #FFFFFF;
  --creme: #FFF9E6;
  --noir: #1a1a1a;
  --contour: #1a1a1a;

  --font-bd: 'Bangers', cursive;
  --font-corps: 'Nunito', sans-serif;
  --max-width: 1100px;

  /* Épaisseur des contours façon BD */
  --border-bd: 3px solid var(--contour);
  --shadow-bd: 4px 4px 0px var(--contour);
  --shadow-bd-lg: 6px 6px 0px var(--contour);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  background: var(--creme);
  color: var(--noir);
  font-family: var(--font-corps);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Lignes de hachure façon BD entre les sections */
.bd-separator {
  height: 8px;
  background: repeating-linear-gradient(
    -45deg,
    var(--bleu),
    var(--bleu) 4px,
    var(--jaune) 4px,
    var(--jaune) 8px
  );
}

/* ===== NAV ===== */
.site-nav {
  background: var(--bleu);
  border-bottom: var(--border-bd);
  padding: 0.9rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-bd);
  font-size: 1.6rem;
  color: var(--jaune);
  letter-spacing: 0.05em;
  text-shadow: 2px 2px 0 var(--contour);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo .logo-anchor {
  font-size: 1.4rem;
}

.nav-cta {
  display: inline-block;
  font-family: var(--font-bd);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  background: var(--jaune);
  color: var(--noir);
  border: var(--border-bd);
  box-shadow: var(--shadow-bd);
  padding: 0.45rem 1.2rem;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.nav-cta:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--contour);
}

/* ===== HERO ===== */
.hero {
  background: var(--bleu);
  border-bottom: var(--border-bd);
  overflow: hidden;
  position: relative;
}

/* Fond pointillé façon BD */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 20px 20px;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
}

.hero-text {
  max-width: 620px;
}

/* Bulle BD "Mille sabords !" */
.hero-onomatopee {
  display: inline-block;
  font-family: var(--font-bd);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  background: var(--jaune);
  color: var(--noir);
  border: var(--border-bd);
  box-shadow: var(--shadow-bd);
  padding: 0.4rem 1.1rem;
  margin-bottom: 1.5rem;
  transform: rotate(-1.5deg);
  display: inline-block;
}

.hero h1 {
  font-family: var(--font-bd);
  font-size: clamp(2.8rem, 7vw, 5rem);
  color: var(--blanc);
  letter-spacing: 0.04em;
  line-height: 1.05;
  margin-bottom: 1.2rem;
  text-shadow: 3px 3px 0 var(--contour);
}

.hero h1 .jaune {
  color: var(--jaune);
}

.hero h1 .rouge {
  color: var(--rouge-vif);
  display: inline-block;
  position: relative;
}

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 2rem;
  max-width: 500px;
  font-weight: 600;
  line-height: 1.5;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.btn-primary {
  display: inline-block;
  font-family: var(--font-bd);
  font-size: 1.3rem;
  letter-spacing: 0.1em;
  background: var(--jaune);
  color: var(--noir);
  border: var(--border-bd);
  box-shadow: var(--shadow-bd-lg);
  padding: 0.7rem 2rem;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  position: relative;
}

.btn-primary:hover {
  transform: translate(3px, 3px);
  box-shadow: 3px 3px 0px var(--contour);
}

.btn-secondary {
  display: inline-block;
  font-family: var(--font-bd);
  font-size: 1.3rem;
  letter-spacing: 0.1em;
  background: transparent;
  color: var(--blanc);
  border: 3px solid rgba(255,255,255,0.5);
  box-shadow: none;
  padding: 0.7rem 2rem;
  text-decoration: none;
  text-transform: uppercase;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.btn-secondary:hover {
  border-color: var(--blanc);
  background: rgba(255,255,255,0.08);
}

.hero-gratuit {
  margin-top: 1.2rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  font-weight: 700;
}

.hero-gratuit strong {
  color: var(--jaune);
}

/* Illustration côté droit : bateau BD */
.hero-illustration {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.hero-boat-wrapper {
  position: relative;
}

.hero-boat {
  width: 220px;
  height: auto;
  filter: drop-shadow(4px 4px 0 rgba(0,0,0,0.4));
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(-1deg); }
  50% { transform: translateY(-12px) rotate(1deg); }
}

/* Bulle dialogue flottante */
.bulle-dialogue {
  background: var(--blanc);
  border: var(--border-bd);
  border-radius: 20px 20px 20px 4px;
  box-shadow: var(--shadow-bd);
  padding: 0.6rem 1rem;
  font-family: var(--font-bd);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--bleu-fonce);
  position: absolute;
  top: -30px;
  right: -40px;
  white-space: nowrap;
  transform: rotate(3deg);
  animation: wiggle 3s ease-in-out infinite;
}

@keyframes wiggle {
  0%, 100% { transform: rotate(3deg); }
  50% { transform: rotate(5deg) translateY(-2px); }
}

/* Vagues décoratives */
.hero-waves {
  width: 100%;
  overflow: hidden;
  line-height: 0;
  margin-top: 2rem;
}

.hero-waves svg {
  display: block;
  width: 100%;
  height: 60px;
}

/* ===== COMMENT ÇA MARCHE ===== */
.how-it-works {
  background: var(--creme);
  padding: 5rem 0 4rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-badge {
  display: inline-block;
  font-family: var(--font-bd);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  background: var(--rouge);
  color: var(--blanc);
  border: var(--border-bd);
  box-shadow: var(--shadow-bd);
  padding: 0.25rem 0.9rem;
  margin-bottom: 1rem;
  transform: rotate(-1deg);
}

.section-header h2 {
  font-family: var(--font-bd);
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: 0.04em;
  color: var(--bleu);
  text-shadow: 2px 2px 0 rgba(0,0,0,0.08);
  line-height: 1.1;
}

.section-header p {
  margin-top: 0.8rem;
  font-size: 1.05rem;
  color: #555;
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
}

/* Étapes */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

/* Flèche BD entre les étapes */
.steps-grid::before {
  content: '→→→';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2rem;
  color: var(--bleu);
  opacity: 0.12;
  pointer-events: none;
  letter-spacing: 3rem;
}

.step-card {
  background: var(--blanc);
  border: var(--border-bd);
  box-shadow: var(--shadow-bd-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.step-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0px var(--contour);
}

.step-number {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  background: var(--bleu);
  color: var(--jaune);
  border: var(--border-bd);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-bd);
  font-size: 1.1rem;
  letter-spacing: 0;
  box-shadow: 2px 2px 0 var(--contour);
}

.step-icon {
  font-size: 3rem;
  margin: 1rem 0 0.8rem;
  line-height: 1;
}

.step-card h3 {
  font-family: var(--font-bd);
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  color: var(--bleu);
  margin-bottom: 0.6rem;
}

.step-card p {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.55;
}

/* ===== AVANTAGES ===== */
.avantages {
  background: var(--bleu);
  padding: 5rem 0;
  border-top: var(--border-bd);
  border-bottom: var(--border-bd);
  position: relative;
  overflow: hidden;
}

/* Motif de points Hergé */
.avantages::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 18px 18px;
}

.avantages .container {
  position: relative;
  z-index: 1;
}

.avantages .section-header h2 {
  color: var(--blanc);
  text-shadow: 3px 3px 0 var(--contour);
}

.avantages .section-header p {
  color: rgba(255,255,255,0.7);
}

.avantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 0;
}

.avantage-card {
  background: var(--blanc);
  border: var(--border-bd);
  box-shadow: var(--shadow-bd-lg);
  padding: 1.8rem 1.5rem;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.avantage-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0px var(--contour);
}

/* Bandeau coloré en haut de chaque carte */
.avantage-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
}

.avantage-card.card-jaune::before { background: var(--jaune); }
.avantage-card.card-rouge::before { background: var(--rouge-vif); }
.avantage-card.card-bleu::before { background: var(--bleu-ciel); }
.avantage-card.card-vert::before { background: #2ecc71; }

.avantage-icon {
  font-size: 2.5rem;
  margin-bottom: 0.8rem;
  line-height: 1;
}

.avantage-card h3 {
  font-family: var(--font-bd);
  font-size: 1.3rem;
  letter-spacing: 0.05em;
  color: var(--bleu-fonce);
  margin-bottom: 0.5rem;
}

.avantage-card p {
  font-size: 0.95rem;
  color: #444;
  line-height: 1.55;
}

/* Badge GRATUIT en gros */
.gratuit-badge {
  display: inline-block;
  background: var(--jaune);
  color: var(--noir);
  font-family: var(--font-bd);
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  border: var(--border-bd);
  box-shadow: var(--shadow-bd);
  padding: 0.3rem 1rem;
  margin-top: 0.6rem;
  transform: rotate(-1deg);
}

/* ===== TYPES DE NAVIGATION ===== */
.types-nav {
  background: var(--jaune);
  border-top: var(--border-bd);
  border-bottom: var(--border-bd);
  padding: 3rem 0;
  overflow: hidden;
}

.types-nav .section-header h2 {
  color: var(--bleu-fonce);
}

.types-scroll {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.type-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-bd);
  font-size: 1rem;
  letter-spacing: 0.06em;
  background: var(--blanc);
  color: var(--bleu-fonce);
  border: var(--border-bd);
  box-shadow: var(--shadow-bd);
  padding: 0.5rem 1.1rem;
  text-transform: uppercase;
  transition: transform 0.12s, box-shadow 0.12s;
  cursor: default;
}

.type-chip:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--contour);
}

/* ===== CTA FINAL ===== */
.cta-final {
  background: var(--rouge);
  border-top: var(--border-bd);
  border-bottom: var(--border-bd);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Hachures décoratives en fond */
.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -60deg,
    transparent,
    transparent 12px,
    rgba(0,0,0,0.04) 12px,
    rgba(0,0,0,0.04) 14px
  );
}

.cta-final .container {
  position: relative;
  z-index: 1;
}

.onomatopee-finale {
  font-family: var(--font-bd);
  font-size: clamp(2.5rem, 8vw, 6rem);
  color: var(--jaune);
  letter-spacing: 0.06em;
  text-shadow: 4px 4px 0 var(--contour);
  line-height: 1;
  margin-bottom: 0.5rem;
  display: block;
  animation: onoma-pulse 2s ease-in-out infinite;
}

@keyframes onoma-pulse {
  0%, 100% { transform: scale(1) rotate(-1deg); }
  50% { transform: scale(1.03) rotate(0.5deg); }
}

.cta-final h2 {
  font-family: var(--font-bd);
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  letter-spacing: 0.04em;
  color: var(--blanc);
  text-shadow: 2px 2px 0 var(--contour);
  margin-bottom: 1rem;
  line-height: 1.1;
}

.cta-final p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.88);
  max-width: 520px;
  margin: 0 auto 2rem;
  font-weight: 600;
}

.btn-cta-final {
  display: inline-block;
  font-family: var(--font-bd);
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  background: var(--jaune);
  color: var(--noir);
  border: 4px solid var(--contour);
  box-shadow: 6px 6px 0px var(--contour);
  padding: 0.9rem 2.8rem;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.btn-cta-final:hover {
  transform: translate(3px, 3px);
  box-shadow: 3px 3px 0px var(--contour);
}

.cta-gratuit-label {
  display: block;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--bleu-fonce);
  border-top: var(--border-bd);
  padding: 2rem 1.5rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-family: var(--font-bd);
  font-size: 1.3rem;
  color: var(--jaune);
  letter-spacing: 0.05em;
  text-shadow: 1px 1px 0 var(--contour);
}

.footer-tagline {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  font-style: italic;
}

.footer-anchor {
  font-size: 1.5rem;
  opacity: 0.4;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-illustration {
    display: none;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-sub {
    max-width: 100%;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .steps-grid::before {
    display: none;
  }
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: clamp(2.2rem, 10vw, 3rem);
  }

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .nav-cta {
    font-size: 0.9rem;
    padding: 0.35rem 0.9rem;
  }
}