/* ============================================================
   LeenWeb — Feuille de styles principale
   Architecture : Variables → Reset → Composants → Sections → Responsive
   Aucun framework externe — CSS vanilla moderne
   ============================================================ */

/* ── 1. VARIABLES GLOBALES ─────────────────────────────────── */
:root {
  /* Palette principale */
  --clr-blue-900: #042a2b;
  --clr-blue-800: #06373a;
  --clr-blue-600: #0a5c63;
  --clr-blue-500: #0d7377;
  --clr-blue-400: #14a3aa;
  --clr-blue-300: #45bfc7;
  --clr-blue-100: #c5eff2;
  --clr-blue-50:  #e8f8f9;

  --clr-white:    #FFFFFF;
  --clr-offwhite: #F7F9FC;
  --clr-gray-100: #EDF0F5;
  --clr-gray-200: #D8DEE8;
  --clr-gray-400: #8A96A8;
  --clr-gray-600: #4A5568;
  --clr-gray-800: #1E2530;

  --clr-success:  #16A34A;
  --clr-error:    #DC2626;

  /* Typographie */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', -apple-system, sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  /* Espacement */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Bordures */
  --radius-sm:  0.5rem;
  --radius-md:  0.875rem;
  --radius-lg:  1.25rem;
  --radius-xl:  1.75rem;
  --radius-2xl: 2.5rem;
  --radius-full: 9999px;

  /* Ombres */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.05);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.06);
  --shadow-xl:  0 24px 64px rgba(0,0,0,.16);
  --shadow-blue: 0 8px 32px rgba(13, 115, 119, .28);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Layout */
  --container-max: 1200px;
  --container-pad: clamp(1rem, 5vw, 2.5rem);
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  /* Améliore le rendu des polices */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* Respect des préférences d'animation */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--clr-gray-800);
  background: var(--clr-white);
  /* Anti-aliasing */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Focus visible accessible */
:focus-visible {
  outline: 3px solid var(--clr-blue-400);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Supprime l'outline pour la souris */
:focus:not(:focus-visible) {
  outline: none;
}

a {
  color: var(--clr-blue-500);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { color: var(--clr-blue-400); }

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

ul { list-style: none; }

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
}

/* ── 3. UTILITAIRES ────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* Accessibilité : Skip-link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  padding: var(--space-3) var(--space-6);
  background: var(--clr-blue-600);
  color: var(--clr-white);
  z-index: 9999;
  border-radius: 0 0 var(--radius-md) 0;
}
.skip-link:focus { top: 0; }

/* Honeypot anti-spam : jamais visible pour l'humain */
.form-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── 4. BOUTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  line-height: 1;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* Primary */
.btn-primary {
  background: var(--clr-blue-500);
  color: var(--clr-white);
  border-color: var(--clr-blue-500);
}
.btn-primary:hover {
  background: var(--clr-blue-600);
  border-color: var(--clr-blue-600);
  box-shadow: var(--shadow-blue);
  color: var(--clr-white);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--clr-blue-800);
  border-color: var(--clr-gray-200);
}
.btn-ghost:hover {
  background: var(--clr-blue-50);
  border-color: var(--clr-blue-300);
  color: var(--clr-blue-600);
}

/* White (sur fond coloré) */
.btn-white {
  background: var(--clr-white);
  color: var(--clr-blue-600);
  border-color: var(--clr-white);
}
.btn-white:hover {
  background: var(--clr-blue-50);
  color: var(--clr-blue-700);
  border-color: var(--clr-blue-100);
}

.btn-large {
  padding: 1rem 2.25rem;
  font-size: var(--text-lg);
}

.btn-full { width: 100%; margin-top: var(--space-6); }

.btn-header {
  padding: 0.6rem 1.4rem;
  font-size: var(--text-sm);
}

/* État loading du bouton submit */
.btn-submit {
  position: relative;
  min-width: 220px;
}

.btn-submit[disabled] {
  opacity: .7;
  cursor: not-allowed;
  pointer-events: none;
}

/* Par défaut : texte visible, loading masqué */
.btn-submit .btn-text    { display: inline; }
.btn-submit .btn-loading { display: none; align-items: center; gap: 8px; }

/* Classe ajoutée par JS pendant l'envoi */
.btn-submit.is-loading .btn-text    { display: none; }
.btn-submit.is-loading .btn-loading { display: inline-flex; }

/* Spinner */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  min-width: 16px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: var(--clr-white);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── 5. SECTION HEADER GÉNÉRIQUE ──────────────────────────── */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.section-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: var(--clr-blue-50);
  color: var(--clr-blue-500);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 400;
  line-height: 1.15;
  color: var(--clr-blue-900);
  margin-bottom: var(--space-4);
}

.section-title em {
  font-style: italic;
  color: var(--clr-blue-500);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--clr-gray-600);
  line-height: 1.7;
}

/* ── 6. NAVIGATION PRINCIPALE ─────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, .85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-gray-100);
  transition: box-shadow var(--transition-base);
}

/* État scrollé : ombre renforcée */
.site-header.scrolled {
  box-shadow: 0 4px 24px rgba(0,0,0,.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: var(--space-6);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--clr-blue-500);
  color: var(--clr-white);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  border-radius: var(--radius-md);
  font-style: italic;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--clr-blue-900);
  letter-spacing: -.02em;
}

.logo--white .logo-mark { background: rgba(255,255,255,.2); }
.logo--white .logo-text  { color: var(--clr-white); }

/* Nav desktop */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-link {
  padding: 0.5rem 0.875rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--clr-gray-600);
  border-radius: var(--radius-full);
  transition:
    color var(--transition-fast),
    background var(--transition-fast);
  text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--clr-blue-600);
  background: var(--clr-blue-50);
}

/* Burger mobile */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: none;
  border: none;
}

.burger-line {
  display: block;
  height: 2px;
  background: var(--clr-blue-900);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

/* État ouvert du burger */
.burger.is-open .burger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open .burger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.is-open .burger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menu mobile */
.nav-mobile {
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  padding: var(--space-6);
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-gray-100);
  box-shadow: var(--shadow-lg);
  animation: slideDown .25s ease;
  z-index: 99;
}

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

.nav-mobile-link {
  padding: 0.75rem 1rem;
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--clr-blue-900);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  text-decoration: none;
}

.nav-mobile-link:hover {
  background: var(--clr-blue-50);
  color: var(--clr-blue-600);
}

.btn-mobile-cta { margin-top: var(--space-2); }

/* ── 7. SECTION HERO ──────────────────────────────────────── */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + var(--space-16));
  padding-bottom: var(--space-24);
  overflow: hidden;
  background: linear-gradient(160deg, var(--clr-white) 0%, var(--clr-blue-50) 100%);
  min-height: 100svh;
  display: flex;
  align-items: center;
}

/* Blobs décoratifs animés */
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .35;
  pointer-events: none;
  animation: blobFloat 8s ease-in-out infinite alternate;
}

.blob-1 {
  width: 500px;
  height: 500px;
  top: -100px;
  right: -100px;
  background: radial-gradient(circle, var(--clr-blue-300), var(--clr-blue-100));
  animation-delay: 0s;
}

.blob-2 {
  width: 350px;
  height: 350px;
  bottom: 50px;
  left: -80px;
  background: radial-gradient(circle, var(--clr-blue-100), transparent);
  animation-delay: -4s;
}

@keyframes blobFloat {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 20px) scale(1.05); }
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-16);
}

.hero-content { max-width: 580px; }

.hero-badge {
  display: inline-block;
  padding: .35rem 1rem;
  background: var(--clr-blue-50);
  color: var(--clr-blue-500);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid var(--clr-blue-100);
  margin-bottom: var(--space-6);
  letter-spacing: .04em;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: 400;
  line-height: 1.1;
  color: var(--clr-blue-900);
  margin-bottom: var(--space-6);
}

.hero-title em {
  font-style: italic;
  color: var(--clr-blue-500);
  display: block;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--clr-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.trust-item {
  display: flex;
  flex-direction: column;
}

.trust-item strong {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--clr-blue-900);
  line-height: 1;
}

.trust-item span {
  font-size: var(--text-sm);
  color: var(--clr-gray-400);
}

.trust-divider {
  width: 1px;
  height: 32px;
  background: var(--clr-gray-200);
}

/* Mockup navigateur */
.hero-visual {
  display: flex;
  justify-content: flex-end;
  animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

.browser-mockup {
  background: var(--clr-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(0,0,0,.06);
  overflow: hidden;
  width: 100%;
  max-width: 480px;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--clr-gray-100);
  border-bottom: 1px solid var(--clr-gray-200);
}

.browser-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red    { background: #FF5F57; }
.dot-yellow { background: #FEBC2E; }
.dot-green  { background: #28C840; }

.browser-url {
  margin-left: var(--space-3);
  padding: .2rem .75rem;
  background: var(--clr-white);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--clr-gray-400);
  flex: 1;
  font-family: monospace;
}

.browser-content {
  padding: var(--space-4);
  background: var(--clr-white);
}

/* Éléments mockup */
.mock-nav {
  height: 32px;
  background: var(--clr-blue-900);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

.mock-hero {
  padding: var(--space-6) var(--space-4);
  background: var(--clr-blue-50);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.mock-h1 {
  height: 20px;
  background: var(--clr-blue-900);
  border-radius: var(--radius-sm);
  width: 75%;
  margin-bottom: var(--space-3);
  opacity: .8;
}

.mock-sub {
  height: 12px;
  background: var(--clr-blue-300);
  border-radius: var(--radius-sm);
  width: 55%;
  margin-bottom: var(--space-4);
  opacity: .5;
}

.mock-btn {
  height: 28px;
  width: 120px;
  background: var(--clr-blue-500);
  border-radius: var(--radius-full);
}

.mock-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.mock-card {
  height: 60px;
  background: var(--clr-gray-100);
  border-radius: var(--radius-md);
  animation: shimmer 2s infinite;
  background-size: 200% 100%;
  background-image: linear-gradient(
    90deg,
    var(--clr-gray-100) 0%,
    var(--clr-blue-50) 50%,
    var(--clr-gray-100) 100%
  );
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── 8. SECTION SERVICES ───────────────────────────────────── */
.services {
  padding: var(--space-24) 0;
  background: var(--clr-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.service-card {
  padding: var(--space-8);
  background: var(--clr-offwhite);
  border-radius: var(--radius-xl);
  border: 1px solid var(--clr-gray-100);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
  /* Animation d'entrée */
  opacity: 0;
  transform: translateY(24px);
}

.service-card.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity .5s ease,
    transform .5s ease,
    box-shadow .25s ease,
    border-color .25s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--clr-blue-100);
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--clr-blue-50);
  color: var(--clr-blue-500);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--clr-blue-900);
  margin-bottom: var(--space-3);
}

.service-card p {
  color: var(--clr-gray-600);
  font-size: var(--text-base);
  line-height: 1.65;
}

/* ── 9. SECTION OFFRES ────────────────────────────────────── */
.offres {
  padding: var(--space-24) 0;
  background: linear-gradient(180deg, var(--clr-offwhite) 0%, var(--clr-white) 100%);
}

.offres-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: stretch; /* cartes offre à la même hauteur */
}

/* Card offre standard */
.offre-card {
  position: relative;
  padding: var(--space-10);
  background: var(--clr-white);
  border-radius: var(--radius-2xl);
  border: 2px solid var(--clr-gray-100);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
  opacity: 0;
  transform: translateY(24px);
}

.offre-card.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity .5s ease, transform .5s ease, box-shadow .25s ease;
}

.offre-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Card offre mise en avant — pas de scale, mise en valeur par ombre + bordure */
.offre-card--featured {
  background: linear-gradient(145deg, #0a5c63 0%, var(--clr-blue-900) 100%);
  border-color: var(--clr-blue-400);
  border-width: 3px;
  box-shadow: var(--shadow-blue), 0 20px 60px rgba(13,115,119,.3);
}

.offre-card--featured.is-visible:hover {
  transform: translateY(-4px);
}

.offre-popular-badge {
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
  padding: .4rem 1.25rem;
  background: var(--clr-blue-400);
  color: var(--clr-white);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.offre-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.offre-badge {
  display: inline-block;
  padding: .35rem 1rem;
  background: var(--clr-blue-50);
  color: var(--clr-blue-500);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: .04em;
}

.offre-badge--light {
  background: rgba(255,255,255,.15);
  color: var(--clr-white);
}

.offre-price { text-align: right; }

.price-amount {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--clr-blue-900);
  font-weight: 400;
}

.offre-card--featured .price-amount { color: var(--clr-white); }

.price-note {
  display: block;
  font-size: var(--text-xs);
  color: var(--clr-gray-400);
  margin-top: var(--space-1);
}

.offre-card--featured .price-note { color: var(--clr-blue-300); }

.offre-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--clr-blue-900);
  margin-bottom: var(--space-3);
}
.offre-card--featured .offre-title { color: var(--clr-white); }

.offre-desc {
  color: var(--clr-gray-600);
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.offre-card--featured .offre-desc { color: var(--clr-blue-200, #93B4D8); }

.offre-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  border-top: 1px solid var(--clr-gray-100);
  padding-top: var(--space-6);
  flex-grow: 1;
}

.offre-card--featured .offre-features {
  border-color: rgba(255,255,255,.1);
}

.offre-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--clr-gray-700, #374151);
  line-height: 1.5;
}

.offre-card--featured .offre-features li { color: rgba(255,255,255,.85); }

.feature-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  min-width: 20px;
  background: var(--clr-blue-50);
  color: var(--clr-blue-500);
  border-radius: 50%;
  font-size: .6rem;
  font-weight: 700;
}

.offre-card--featured .feature-check {
  background: rgba(255,255,255,.15);
  color: var(--clr-white);
}

.offres-note {
  text-align: center;
  margin-top: var(--space-10);
  color: var(--clr-gray-600);
  font-size: var(--text-base);
}

.offres-note a {
  color: var(--clr-blue-500);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── 10. SECTION POURQUOI ─────────────────────────────────── */
.pourquoi {
  padding: var(--space-24) 0;
  background: var(--clr-white);
}

.pourquoi-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: center;
}

.pourquoi-text .section-title {
  text-align: left;
  margin-bottom: var(--space-4);
}

.pourquoi-text > p {
  color: var(--clr-gray-600);
  font-size: var(--text-lg);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.pourquoi-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.pourquoi-list li {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.pourquoi-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-blue-50);
  border-radius: var(--radius-lg);
}

.pourquoi-list strong {
  display: block;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--clr-blue-900);
  margin-bottom: var(--space-1);
}

.pourquoi-list p {
  font-size: var(--text-sm);
  color: var(--clr-gray-600);
  line-height: 1.6;
}

/* Grille de stats */
.pourquoi-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.stat-card {
  background: var(--clr-blue-50);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  border: 1px solid var(--clr-blue-100);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(var(--text-4xl), 4vw, var(--text-5xl));
  font-weight: 400;
  color: var(--clr-blue-600);
  line-height: 1;
}

.stat-plus, .stat-pct {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--clr-blue-400);
  margin-left: 2px;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--clr-gray-600);
  margin-top: var(--space-2);
}

/* ── 11. SECTION CONTACT ──────────────────────────────────── */
.contact {
  padding: var(--space-24) 0;
  background: linear-gradient(160deg, var(--clr-blue-50) 0%, var(--clr-white) 100%);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info .section-title {
  text-align: left;
  margin-bottom: var(--space-4);
}

.contact-info > p {
  color: var(--clr-gray-600);
  font-size: var(--text-lg);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--clr-gray-700, #374151);
}

.contact-detail-item a {
  color: var(--clr-blue-500);
  font-weight: 500;
}

/* Formulaire */
.contact-form-wrap {
  background: var(--clr-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--clr-gray-100);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-group:last-child { margin-bottom: 0; }

.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--clr-gray-700, #374151);
}

.required {
  color: var(--clr-error);
  margin-left: 2px;
}

.optional {
  font-weight: 400;
  color: var(--clr-gray-400);
}

/* Champs de formulaire */
.form-input {
  width: 100%;
  padding: .75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--clr-gray-800);
  background: var(--clr-offwhite);
  border: 2px solid var(--clr-gray-200);
  border-radius: var(--radius-lg);
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast);
}

.form-input::placeholder { color: var(--clr-gray-400); }

.form-input:hover { border-color: var(--clr-gray-300, #CBD5E0); }

.form-input:focus {
  border-color: var(--clr-blue-400);
  background: var(--clr-white);
  box-shadow: 0 0 0 4px rgba(45, 125, 210, .12);
}

/* État invalide */
.form-input.is-invalid {
  border-color: var(--clr-error);
  box-shadow: 0 0 0 4px rgba(220, 38, 38, .1);
}

/* État valide */
.form-input.is-valid {
  border-color: var(--clr-success);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%238A96A8' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-body);
}

.textarea-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2);
}

.char-count {
  font-size: var(--text-xs);
  color: var(--clr-gray-400);
  flex-shrink: 0;
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--clr-error);
  font-weight: 500;
  min-height: 1rem;
}

/* Checkbox RGPD */
.form-group--checkbox { flex-direction: row; gap: 0; }

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--clr-gray-600);
  line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
  /* Caché visuellement, remplacé par .checkmark */
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.checkmark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 2px solid var(--clr-gray-200);
  border-radius: var(--radius-sm);
  background: var(--clr-offwhite);
  transition: border-color var(--transition-fast), background var(--transition-fast);
  position: relative;
  top: 1px;
}

/* Tick visible quand coché */
.checkbox-label input:checked + .checkmark {
  background: var(--clr-blue-500);
  border-color: var(--clr-blue-500);
}

.checkbox-label input:checked + .checkmark::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translateY(-1px);
}

.checkbox-label input:focus-visible + .checkmark {
  outline: 3px solid var(--clr-blue-400);
  outline-offset: 2px;
}

.link-inline {
  color: var(--clr-blue-500);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Feedback formulaire */
.form-feedback {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-top: var(--space-4);
}

.form-feedback--success {
  background: #DCFCE7;
  color: var(--clr-success);
  border: 1px solid #BBF7D0;
}

.form-feedback--error {
  background: #FEE2E2;
  color: var(--clr-error);
  border: 1px solid #FECACA;
}

/* ── 12. FOOTER ───────────────────────────────────────────── */
.site-footer {
  background: var(--clr-blue-900);
  color: rgba(255,255,255,.7);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-12);
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.footer-brand { max-width: 300px; }

.footer-tagline {
  font-size: var(--text-base);
  color: rgba(255,255,255,.5);
  margin-top: var(--space-4);
  line-height: 1.6;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.footer-col-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255,255,255,.9);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col ul a,
.footer-col ul span {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.5);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-col ul a:hover { color: rgba(255,255,255,.9); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
  font-size: var(--text-sm);
  color: rgba(255,255,255,.35);
}

/* ── 13. BACK TO TOP ──────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 48px;
  height: 48px;
  background: var(--clr-blue-500);
  color: var(--clr-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  border: none;
  z-index: 50;
  transition:
    background var(--transition-fast),
    transform var(--transition-base),
    opacity var(--transition-base);
  opacity: 0;
}

.back-to-top.is-visible {
  opacity: 1;
}

.back-to-top:hover {
  background: var(--clr-blue-600);
  transform: translateY(-3px);
}

/* ── 14. ANIMATIONS D'ENTRÉE (Intersection Observer) ──────── */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .6s ease, transform .6s ease;
}

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

/* Délais en cascade */
.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .2s; }
.delay-3 { transition-delay: .3s; }

/* ── 15. RESPONSIVE ────────────────────────────────────────── */

/* Tablettes larges */
@media (max-width: 1024px) {
  .hero-inner          { grid-template-columns: 1fr; gap: var(--space-12); }
  .hero-visual         { display: none; }
  .hero-content        { max-width: 100%; }
  .services-grid       { grid-template-columns: repeat(2, 1fr); }
  .pourquoi-inner      { grid-template-columns: 1fr; gap: var(--space-12); }
  .contact-inner       { grid-template-columns: 1fr; gap: var(--space-10); }
  .contact-info .section-title { font-size: var(--text-3xl); }
  .footer-inner        { grid-template-columns: 1fr; gap: var(--space-10); }
  .footer-nav          { grid-template-columns: repeat(3, 1fr); }
}

/* Tablettes */
@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .nav-desktop  { display: none; }
  .btn-header   { display: none; }
  .burger       { display: flex; }

  .hero {
    padding-top: calc(var(--header-h) + var(--space-10));
    padding-bottom: var(--space-16);
    min-height: auto;
  }

  .hero-title   { font-size: var(--text-4xl); }
  .hero-actions { flex-direction: column; }
  .hero-trust   { flex-wrap: wrap; gap: var(--space-4); }

  .services-grid { grid-template-columns: 1fr; }
  .offres-grid   { grid-template-columns: 1fr; }

  .offre-card--featured { border-width: 2px; }

  .form-row      { grid-template-columns: 1fr; }

  .pourquoi-stats { grid-template-columns: 1fr 1fr; }

  .footer-nav    { grid-template-columns: 1fr 1fr; }
  .footer-bottom-inner { flex-direction: column; gap: var(--space-2); text-align: center; }

  .back-to-top { bottom: var(--space-6); right: var(--space-4); }
}

/* Mobile */
@media (max-width: 480px) {
  .hero-title { font-size: var(--text-3xl); }
  .section-title { font-size: var(--text-2xl); }
  .offre-header { flex-direction: column; }
  .offre-price  { text-align: left; }
  .contact-form-wrap { padding: var(--space-6); }
  .pourquoi-stats { grid-template-columns: 1fr; }
  .footer-nav    { grid-template-columns: 1fr; }
}


/* ── 16. SECTION TARIFS MAINTENANCE & DOMAINE ────────────────── */
.tarifs-extras {
  padding: var(--space-24) 0;
  background: var(--clr-offwhite);
}

.tarifs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: stretch; /* toutes les cartes à la même hauteur */
}

/* Carte tarif de base */
.tarif-card {
  position: relative;
  padding: 2rem;
  border-radius: 28px;
  background: rgba(255,255,255,0.88);
  border: 1px solid rgba(13, 115, 119, 0.12);
  box-shadow:
    0 10px 30px rgba(0,0,0,.05),
    0 2px 10px rgba(0,0,0,.04);
  backdrop-filter: blur(10px);
  transition:
    transform .25s ease,
    box-shadow .25s ease,
    border-color .25s ease;
  min-height: 540px;
}

.tarif-card.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity .5s ease, transform .5s ease, box-shadow .25s ease;
}

.tarif-card:hover {
  transform: translateY(-6px);
  box-shadow:
    0 20px 45px rgba(0,0,0,.08),
    0 8px 20px rgba(0,0,0,.05);
  border-color: rgba(13, 115, 119, 0.25);
}

/* Variante bleue canard */
.tarif-card--blue {
  background: var(--clr-blue-50);
  border-color: var(--clr-blue-100);
}

/* Variante mise en avant — mise en valeur sans scale pour rester dans la grille */
.tarif-card--featured {
  background:
    linear-gradient(
      145deg,
      #075b5b 0%,
      #063f3f 100%
    );
  border: 1px solid rgba(20, 163, 170, 0.25);
  box-shadow:
    0 18px 40px rgba(0,0,0,.18);
  transform: translateY(-6px);
}

/* Badge "Populaire" positionné en haut de la carte featured */
.tarif-card--featured::before {
  content: '⭐ Le plus populaire';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  background: var(--clr-blue-400);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .3rem 1rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(13,115,119,.3);
}

.tarif-card--featured.is-visible:hover {
  transform: translateY(-5px);
}

/* Variante légère */
.tarif-card--light {
  background: var(--clr-white);
  border-color: var(--clr-gray-200);
}

.tarif-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(13, 115, 119, 0.08);
}

.tarif-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--clr-blue-900);
  margin-bottom: var(--space-4);
  line-height: 1.25;
}

.tarif-card--featured h3 { color: var(--clr-white); }

.tarif-card h3 em {
  font-style: italic;
  color: var(--clr-blue-500);
}

.tarif-card--featured h3 em { color: var(--clr-blue-300); }

.tarif-price {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 400;
  color: var(--clr-blue-600);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.tarif-card--featured .tarif-price { color: var(--clr-white); }

.tarif-price span {
  font-size: var(--text-base);
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--clr-gray-400);
}

.tarif-card--featured .tarif-price span { color: rgba(255,255,255,.6); }

.tarif-card > p {
  font-size: var(--text-sm);
  color: var(--clr-gray-400);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--clr-gray-100);
}

.tarif-card--featured > p {
  color: rgba(255,255,255,.5);
  border-color: rgba(255,255,255,.12);
}

.tarif-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex-grow: 1; /* pousse la liste vers le bas, cartes toujours alignées */
}

.tarif-features li {
  font-size: var(--text-sm);
  color: var(--clr-gray-600);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.4;
}

.tarif-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--clr-blue-400);
  font-weight: 700;
  font-size: .75rem;
  top: 1px;
}

.tarif-card--featured .tarif-features li { color: rgba(255,255,255,.75); }
.tarif-card--featured .tarif-features li::before { color: var(--clr-blue-300); }

.tarifs-note {
  text-align: center;
  margin-top: var(--space-10);
  font-size: var(--text-sm);
  color: var(--clr-gray-400);
}

.tarifs-note a { color: var(--clr-blue-500); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 1024px) {
  .tarifs-grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
  .tarif-card--featured { border-width: 2px; }
}


/* ─────────────────────────────────────────
   PAGES LÉGALES
───────────────────────────────────────── */

.legal-main {
  background:
    linear-gradient(
      180deg,
      var(--clr-offwhite) 0%,
      var(--clr-white) 100%
    );
}

.legal-section {
  padding-top: calc(var(--header-h) + var(--space-20));
  padding-bottom: var(--space-24);
}

.legal-container {
  max-width: 900px;
}

.legal-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: 400;
  line-height: 1.1;
  color: var(--clr-blue-900);
  margin-bottom: var(--space-8);
}

.legal-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-100);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  padding: clamp(var(--space-6), 5vw, var(--space-12));
}

.legal-card h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--clr-blue-900);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

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

.legal-card p {
  color: var(--clr-gray-600);
  font-size: var(--text-base);
  line-height: 1.8;
  margin-bottom: var(--space-3);
}

.legal-card strong {
  color: var(--clr-blue-900);
}

.legal-card a {
  color: var(--clr-blue-500);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-card a:hover {
  color: var(--clr-blue-400);
}

.legal-last-update {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--clr-gray-200);
  color: var(--clr-gray-400);
  font-size: var(--text-sm);
}


/* Rappel paiement */
/* Rappel paiement - section offres */
/* Bloc acompte */
.payment-note {
  max-width: 640px;
  margin: var(--space-10) auto 0;
  padding: 18px 28px;

  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(10px);

  border: 1px solid rgba(0, 122, 128, 0.10);
  border-radius: 24px;

  box-shadow:
    0 10px 30px rgba(0,0,0,0.04),
    0 2px 8px rgba(0,0,0,0.03);

  text-align: center;
}

.payment-note__row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;

  color: var(--clr-blue-900);
  font-size: 1.05rem;
  font-weight: 500;
}

.payment-note__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-width: 68px;
  height: 42px;
  padding: 0 18px;

  background: linear-gradient(
    135deg,
    var(--clr-blue-500),
    #0f8f95
  );

  color: white;

  border-radius: 999px;

  font-weight: 700;
  font-size: 1rem;

  box-shadow:
    0 6px 18px rgba(0, 122, 128, 0.18);
}

.payment-note__separator {
  width: 1px;
  height: 30px;
  background: rgba(0, 122, 128, 0.12);
}

.payment-note__text {
  margin-top: 14px;
  margin-bottom: 0;

  color: var(--clr-gray-600);
  font-size: 0.95rem;
}

.payment-note__text a {
  color: var(--clr-blue-500);
  font-weight: 600;
  text-decoration: none;
}

.payment-note__text a:hover {
  text-decoration: underline;
}

@media (max-width: 640px) {
  .payment-note {
    padding: 18px;
  }

  .payment-note__row {
    flex-direction: column;
    gap: 14px;
  }

  .payment-note__separator {
    display: none;
  }
}