/* ============================================================
   ATLANTIS LANDING SITE — style.css
   Design futuriste sombre, mobile-first, WCAG 2.1 AA
   ============================================================ */

/* --------------------------------
   1. IMPORTS & VARIABLES
   -------------------------------- */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Palette Atlantis */
  --atl-cyan: #1ac8db;
  --atl-pink: #ff6b9d;
  --atl-bg-dark: #0a0a12;
  --atl-bg-darker: #060610;
  --atl-success: #4ade80;
  --atl-error: #f87171;
  --atl-warning: #fbbf24;

  /* Texte */
  --atl-text-primary: #ffffff;
  --atl-text-secondary: rgba(255, 255, 255, 0.85);
  --atl-text-muted: rgba(255, 255, 255, 0.5);

  /* Bordures */
  --atl-border-light: rgba(255, 255, 255, 0.1);
  --atl-border-cyan: rgba(26, 200, 219, 0.3);

  /* Glassmorphism */
  --atl-glass-bg: rgba(255, 255, 255, 0.03);
  --atl-glass-border: rgba(255, 255, 255, 0.08);

  /* Layout */
  --atl-section-padding: 100px 0;
  --atl-max-width: 1200px;
  --atl-radius: 16px;
  --atl-radius-sm: 8px;

  /* Gradients réutilisables */
  --atl-gradient-cyan-pink: linear-gradient(135deg, var(--atl-cyan), var(--atl-pink));
  --atl-glow-cyan: 0 0 20px rgba(26, 200, 219, 0.3);
  --atl-glow-cyan-strong: 0 0 40px rgba(26, 200, 219, 0.6);
  --atl-glow-pink: 0 0 20px rgba(255, 107, 157, 0.3);

  /* Transitions */
  --atl-transition: 0.3s ease;
  --atl-transition-slow: 0.5s ease;
}

/* --------------------------------
   2. RESET & BASE
   -------------------------------- */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--atl-bg-dark);
  color: var(--atl-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea,
select {
  font-family: inherit;
}

/* Sélection de texte */
::selection {
  background-color: var(--atl-cyan);
  color: var(--atl-bg-dark);
}

/* Focus visible accessible */
:focus-visible {
  outline: 2px solid var(--atl-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Respect des préférences de mouvement réduit */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* --------------------------------
   3. LAYOUT
   -------------------------------- */

.container {
  max-width: var(--atl-max-width);
  margin-inline: auto;
  padding-inline: 24px;
}

.section {
  padding: var(--atl-section-padding);
}

/* Grilles responsive */
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

.grid-4 {
  grid-template-columns: 1fr 1fr;
}

/* --------------------------------
   4. UTILITAIRES
   -------------------------------- */

.text-cyan {
  color: var(--atl-cyan);
}

.text-pink {
  color: var(--atl-pink);
}

.text-muted {
  color: var(--atl-text-muted);
}

.text-secondary {
  color: var(--atl-text-secondary);
}

.text-center {
  text-align: center;
}

.bg-darker {
  background-color: var(--atl-bg-darker);
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.gradient-text {
  background: var(--atl-gradient-cyan-pink);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* --------------------------------
   5. ANIMATIONS KEYFRAMES
   -------------------------------- */

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(26, 200, 219, 0.3); }
  50%       { box-shadow: 0 0 40px rgba(26, 200, 219, 0.6); }
}

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

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes slide-down {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(100%); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

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

/* --------------------------------
   6. SCROLL REVEAL
   -------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Délais de cascade pour les grilles */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --------------------------------
   7. TYPING CURSOR
   -------------------------------- */

.typing-cursor {
  display: inline-block;
  width: 3px;
  height: 1em;
  background-color: var(--atl-cyan);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s infinite;
}

.typing-text {
  display: inline;
}

/* --------------------------------
   8. BOUTONS
   -------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--atl-radius-sm);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.01em;
  transition: background-color var(--atl-transition),
              color var(--atl-transition),
              box-shadow var(--atl-transition),
              transform var(--atl-transition),
              border-color var(--atl-transition);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

/* Primaire — fond cyan */
.btn-primary {
  background-color: var(--atl-cyan);
  color: var(--atl-bg-dark);
  border-color: var(--atl-cyan);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: var(--atl-glow-cyan-strong);
  background-color: #22ddef;
}

.btn-primary.glow-pulse {
  animation: glow-pulse 2s ease-in-out infinite;
}

/* Secondaire — contour cyan */
.btn-secondary {
  background-color: transparent;
  color: var(--atl-cyan);
  border-color: var(--atl-cyan);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: rgba(26, 200, 219, 0.1);
  box-shadow: var(--atl-glow-cyan);
}

/* Accent — dégradé cyan→pink */
.btn-accent {
  background: var(--atl-gradient-cyan-pink);
  color: var(--atl-text-primary);
  border-color: transparent;
}

.btn-accent:hover,
.btn-accent:focus-visible {
  box-shadow: 0 0 30px rgba(255, 107, 157, 0.4);
  filter: brightness(1.1);
}

/* Tailles */
.btn-lg {
  padding: 18px 48px;
  font-size: 1.1rem;
  border-radius: 10px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.875rem;
}

/* --------------------------------
   9. HEADER
   -------------------------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background-color var(--atl-transition-slow),
              backdrop-filter var(--atl-transition-slow),
              padding var(--atl-transition);
}

.site-header.scrolled {
  background-color: rgba(10, 10, 18, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  border-bottom: 1px solid var(--atl-border-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}

.site-logo img {
  height: 40px;
  width: auto;
}

.site-logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--atl-text-primary);
  letter-spacing: -0.01em;
}

/* Navigation desktop */
.site-nav {
  display: none;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: block;
  padding: 8px 16px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--atl-radius-sm);
  transition: color var(--atl-transition), background-color var(--atl-transition);
  text-decoration: none;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--atl-cyan);
  background-color: rgba(26, 200, 219, 0.08);
}

.nav-link.active {
  color: var(--atl-cyan);
}

/* CTA header */
.header-cta {
  display: none;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Hamburger */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--atl-radius-sm);
  background: var(--atl-glass-bg);
  border: 1px solid var(--atl-glass-border);
  cursor: pointer;
  transition: background-color var(--atl-transition), border-color var(--atl-transition);
  flex-shrink: 0;
}

.menu-toggle:hover,
.menu-toggle:focus-visible {
  background-color: rgba(26, 200, 219, 0.1);
  border-color: var(--atl-border-cyan);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--atl-text-primary);
  border-radius: 2px;
  transition: transform var(--atl-transition), opacity var(--atl-transition);
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Menu mobile */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background-color: rgba(6, 6, 16, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
  animation: fade-in 0.35s ease;
}

.mobile-menu .nav-link {
  font-size: 1.5rem;
  font-weight: 600;
  padding: 12px 32px;
  text-align: center;
  color: var(--atl-text-secondary);
}

.mobile-menu .nav-link:hover {
  color: var(--atl-cyan);
}

.mobile-menu .mobile-cta {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 280px;
}

.mobile-menu .mobile-cta .btn {
  width: 100%;
  justify-content: center;
}

/* --------------------------------
   10. SECTION TITLES
   -------------------------------- */

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-title p {
  color: var(--atl-text-secondary);
  font-size: 1.125rem;
  max-width: 600px;
  margin-inline: auto;
  line-height: 1.7;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--atl-gradient-cyan-pink);
  border-radius: 2px;
  margin: 20px auto 0;
}

/* --------------------------------
   11. HERO
   -------------------------------- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(6, 6, 16, 0.92) 0%,
    rgba(10, 10, 18, 0.75) 50%,
    rgba(10, 10, 18, 0.5) 100%
  );
}

/* Particules decoratives */
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 1;
}

.hero-glow-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(26, 200, 219, 0.15) 0%, transparent 70%);
  top: 10%;
  right: 5%;
}

.hero-glow-2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 107, 157, 0.1) 0%, transparent 70%);
  bottom: 20%;
  left: 10%;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 100px;
  padding-bottom: 60px;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(26, 200, 219, 0.1);
  border: 1px solid var(--atl-border-cyan);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--atl-cyan);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background-color: var(--atl-cyan);
  border-radius: 50%;
  animation: glow-pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  max-width: 900px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--atl-text-secondary);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.hero-trust {
  margin-top: 60px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-trust-avatars {
  display: flex;
}

.hero-trust-avatars img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--atl-bg-dark);
  object-fit: cover;
}

.hero-trust-avatars img + img {
  margin-left: -10px;
}

.hero-trust-text {
  font-size: 0.875rem;
  color: var(--atl-text-muted);
}

.hero-trust-text strong {
  color: var(--atl-text-primary);
}

/* Image hero flottante */
.hero-image {
  display: none;
  animation: float 6s ease-in-out infinite;
}

/* --------------------------------
   12. STATS BAR
   -------------------------------- */

.stats-bar {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--atl-border-light);
  border-bottom: 1px solid var(--atl-border-light);
  padding: 40px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--atl-cyan);
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat-label {
  color: var(--atl-text-muted);
  font-size: 0.875rem;
  margin-top: 6px;
  letter-spacing: 0.02em;
}

/* --------------------------------
   13. CARDS
   -------------------------------- */

/* Glass card base */
.glass-card {
  background: var(--atl-glass-bg);
  border: 1px solid var(--atl-glass-border);
  border-radius: var(--atl-radius);
  padding: 32px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color var(--atl-transition), box-shadow var(--atl-transition), transform var(--atl-transition);
}

/* Feature card */
.feature-card {
  background: var(--atl-glass-bg);
  border: 1px solid var(--atl-glass-border);
  border-radius: var(--atl-radius);
  padding: 32px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color var(--atl-transition), box-shadow var(--atl-transition), transform var(--atl-transition);
}

.feature-card:hover {
  border-color: rgba(26, 200, 219, 0.3);
  box-shadow: 0 8px 32px rgba(26, 200, 219, 0.08);
  transform: translateY(-4px);
}

.feature-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(26, 200, 219, 0.1);
  color: var(--atl-cyan);
  margin-bottom: 20px;
  transition: background-color var(--atl-transition);
}

.feature-card:hover .feature-card-icon {
  background: rgba(26, 200, 219, 0.2);
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--atl-text-primary);
}

.feature-card p {
  color: var(--atl-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Card avec accent pink */
.feature-card.accent-pink .feature-card-icon {
  background: rgba(255, 107, 157, 0.1);
  color: var(--atl-pink);
}

.feature-card.accent-pink:hover .feature-card-icon {
  background: rgba(255, 107, 157, 0.2);
}

.feature-card.accent-pink:hover {
  border-color: rgba(255, 107, 157, 0.3);
  box-shadow: 0 8px 32px rgba(255, 107, 157, 0.08);
}

/* --------------------------------
   14. PRICING CARDS
   -------------------------------- */

.pricing-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

.pricing-card {
  position: relative;
  background: var(--atl-glass-bg);
  border: 1px solid var(--atl-glass-border);
  border-radius: var(--atl-radius);
  padding: 40px 32px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  text-align: center;
  transition: border-color var(--atl-transition), box-shadow var(--atl-transition), transform var(--atl-transition);
  overflow: visible;
}

.pricing-card:hover {
  border-color: var(--atl-border-cyan);
  box-shadow: 0 8px 40px rgba(26, 200, 219, 0.08);
}

.pricing-card.featured {
  border-color: var(--atl-cyan);
  box-shadow: var(--atl-glow-cyan);
  transform: scale(1.02);
  background: rgba(26, 200, 219, 0.04);
}

.pricing-card.featured:hover {
  box-shadow: var(--atl-glow-cyan-strong);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--atl-gradient-cyan-pink);
  color: var(--atl-text-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-plan {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--atl-text-muted);
  margin-bottom: 16px;
}

.pricing-price {
  font-size: clamp(2.5rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--atl-cyan);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.pricing-price sup {
  font-size: 1.25rem;
  font-weight: 600;
  vertical-align: top;
  margin-top: 8px;
  display: inline-block;
}

.pricing-period {
  font-size: 0.875rem;
  color: var(--atl-text-muted);
  margin-bottom: 8px;
}

.pricing-description {
  font-size: 0.9375rem;
  color: var(--atl-text-secondary);
  margin-bottom: 28px;
  line-height: 1.5;
}

.pricing-divider {
  height: 1px;
  background: var(--atl-border-light);
  margin-bottom: 24px;
}

.pricing-features {
  text-align: left;
  margin-bottom: 32px;
}

.pricing-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9375rem;
  color: var(--atl-text-secondary);
  line-height: 1.4;
}

.pricing-feature-item::before {
  content: '';
  width: 16px;
  height: 16px;
  min-width: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231ac8db' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  margin-top: 2px;
}

.pricing-feature-item.disabled {
  color: var(--atl-text-muted);
  text-decoration: line-through;
}

.pricing-feature-item.disabled::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.3)' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='18' y1='6' x2='6' y2='18'/%3E%3Cline x1='6' y1='6' x2='18' y2='18'/%3E%3C/svg%3E");
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* --------------------------------
   15. SHOWCASE IMAGES
   -------------------------------- */

.showcase-img {
  border-radius: var(--atl-radius);
  overflow: hidden;
  transition: box-shadow 0.4s ease, transform 0.4s ease;
}

.showcase-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.showcase-img:hover {
  box-shadow: 0 0 30px rgba(26, 200, 219, 0.2);
  transform: scale(1.02);
}

.showcase-img:hover img {
  transform: scale(1.05);
}

/* --------------------------------
   16. IMAGE GALLERY
   -------------------------------- */

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.gallery-item {
  border-radius: var(--atl-radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow 0.4s ease, transform 0.4s ease;
  aspect-ratio: 4 / 3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover {
  box-shadow: 0 0 20px rgba(26, 200, 219, 0.25);
  transform: translateY(-2px);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

/* --------------------------------
   17. TIMELINE
   -------------------------------- */

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(to bottom, var(--atl-cyan), var(--atl-pink));
  border-radius: 2px;
}

.timeline-step {
  display: flex;
  gap: 24px;
  padding-bottom: 40px;
  position: relative;
}

.timeline-step:last-child {
  padding-bottom: 0;
}

.timeline-number {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 50%;
  background: var(--atl-bg-dark);
  border: 2px solid var(--atl-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--atl-cyan);
  position: relative;
  z-index: 1;
  transition: background-color var(--atl-transition), box-shadow var(--atl-transition);
}

.timeline-step:hover .timeline-number {
  background: rgba(26, 200, 219, 0.1);
  box-shadow: var(--atl-glow-cyan);
}

.timeline-content {
  padding-top: 10px;
  flex: 1;
}

.timeline-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--atl-text-primary);
}

.timeline-content p {
  color: var(--atl-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* --------------------------------
   18. FAQ
   -------------------------------- */

.faq-list {
  max-width: 720px;
  margin-inline: auto;
}

.faq-item {
  border-bottom: 1px solid var(--atl-border-light);
}

.faq-item:first-child {
  border-top: 1px solid var(--atl-border-light);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--atl-text-primary);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: color var(--atl-transition);
}

.faq-question:hover {
  color: var(--atl-cyan);
}

.faq-question::after {
  content: '';
  width: 20px;
  height: 20px;
  min-width: 20px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231ac8db' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  transform: rotate(0deg);
  transition: transform 0.4s ease;
}

.faq-item.active .faq-question::after {
  transform: rotate(180deg);
}

.faq-item.active .faq-question {
  color: var(--atl-cyan);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 0 20px;
  color: var(--atl-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.faq-answer-inner p + p {
  margin-top: 12px;
}

/* --------------------------------
   19. TESTIMONIALS
   -------------------------------- */

.testimonial-card {
  background: var(--atl-glass-bg);
  border: 1px solid var(--atl-glass-border);
  border-radius: var(--atl-radius);
  padding: 28px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color var(--atl-transition), transform var(--atl-transition);
}

.testimonial-card:hover {
  border-color: var(--atl-border-cyan);
  transform: translateY(-2px);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  color: var(--atl-warning);
  margin-bottom: 16px;
}
.testimonial-stars svg {
  fill: var(--atl-warning);
  width: 18px;
  height: 18px;
}

.testimonial-text {
  color: var(--atl-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 20px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--atl-border-cyan);
}

.testimonial-author-info strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--atl-text-primary);
}

.testimonial-author-info span {
  font-size: 0.8125rem;
  color: var(--atl-text-muted);
}

/* --------------------------------
   20. CTA SECTION
   -------------------------------- */

.cta-section {
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(26, 200, 219, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card {
  position: relative;
  background: var(--atl-glass-bg);
  border: 1px solid var(--atl-border-cyan);
  border-radius: 24px;
  padding: 60px 32px;
  text-align: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 0 60px rgba(26, 200, 219, 0.08);
}

.cta-card h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.cta-card p {
  color: var(--atl-text-secondary);
  font-size: 1.0625rem;
  max-width: 500px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

/* --------------------------------
   21. FOOTER
   -------------------------------- */

.site-footer {
  background-color: var(--atl-bg-darker);
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand .site-logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--atl-text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--atl-radius-sm);
  background: var(--atl-glass-bg);
  border: 1px solid var(--atl-glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--atl-text-muted);
  transition: color var(--atl-transition), border-color var(--atl-transition), background-color var(--atl-transition);
}

.footer-social a:hover {
  color: var(--atl-cyan);
  border-color: var(--atl-border-cyan);
  background-color: rgba(26, 200, 219, 0.08);
}

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--atl-text-primary);
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--atl-text-muted);
  font-size: 0.9375rem;
  transition: color var(--atl-transition);
  width: fit-content;
}

.footer-links a:hover {
  color: var(--atl-cyan);
}

.footer-contact p {
  color: var(--atl-text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.footer-contact a {
  color: var(--atl-cyan);
  transition: opacity var(--atl-transition);
}

.footer-contact a:hover {
  opacity: 0.8;
}

/* Footer bottom */
.footer-bottom {
  border-top: 1px solid var(--atl-border-light);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
}

.footer-copyright {
  color: var(--atl-text-muted);
  font-size: 0.875rem;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.footer-legal a {
  color: var(--atl-text-muted);
  font-size: 0.875rem;
  transition: color var(--atl-transition);
}

.footer-legal a:hover {
  color: var(--atl-cyan);
}

/* --------------------------------
   22. NOTIFICATION BANNER
   -------------------------------- */

.top-banner {
  background: var(--atl-gradient-cyan-pink);
  padding: 10px 0;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--atl-text-primary);
  position: relative;
  z-index: 1001;
}

.top-banner a {
  color: inherit;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* --------------------------------
   23. VIDEO / EMBED
   -------------------------------- */

.video-wrapper {
  position: relative;
  border-radius: var(--atl-radius);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--atl-bg-darker);
  border: 1px solid var(--atl-glass-border);
}

.video-wrapper iframe,
.video-wrapper video {
  width: 100%;
  height: 100%;
  border: none;
}

.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 6, 16, 0.6);
  cursor: pointer;
  transition: background-color var(--atl-transition);
}

.video-play-btn:hover {
  background: rgba(6, 6, 16, 0.4);
}

.video-play-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--atl-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--atl-bg-dark);
  transition: transform var(--atl-transition), box-shadow var(--atl-transition);
}

.video-play-btn:hover .video-play-icon {
  transform: scale(1.1);
  box-shadow: var(--atl-glow-cyan-strong);
}

/* --------------------------------
   24. BADGES & TAGS
   -------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.badge-cyan {
  background: rgba(26, 200, 219, 0.15);
  color: var(--atl-cyan);
  border: 1px solid rgba(26, 200, 219, 0.3);
}

.badge-pink {
  background: rgba(255, 107, 157, 0.15);
  color: var(--atl-pink);
  border: 1px solid rgba(255, 107, 157, 0.3);
}

.badge-success {
  background: rgba(74, 222, 128, 0.15);
  color: var(--atl-success);
  border: 1px solid rgba(74, 222, 128, 0.3);
}

/* --------------------------------
   25. LOGOS PARTENAIRES
   -------------------------------- */

.logos-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 32px 0;
}

.logo-partner {
  opacity: 0.4;
  filter: grayscale(1) brightness(2);
  height: 28px;
  width: auto;
  transition: opacity var(--atl-transition), filter var(--atl-transition);
}

.logo-partner:hover {
  opacity: 0.8;
  filter: grayscale(0) brightness(1);
}

/* --------------------------------
   26. DECORATIFS GLOBAUX
   -------------------------------- */

/* Ligne de séparation avec gradient */
.divider-gradient {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--atl-border-cyan), transparent);
  margin: 0;
}

/* Dot grid background optionnel */
.dot-bg {
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Glow blob pour sections */
.section-glow {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(100px);
}

.section-glow-cyan {
  background: radial-gradient(circle, rgba(26, 200, 219, 0.12) 0%, transparent 70%);
}

.section-glow-pink {
  background: radial-gradient(circle, rgba(255, 107, 157, 0.1) 0%, transparent 70%);
}

/* --------------------------------
   27. FORMULAIRE / INPUT
   -------------------------------- */

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--atl-text-secondary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--atl-border-light);
  border-radius: var(--atl-radius-sm);
  color: var(--atl-text-primary);
  font-size: 0.9375rem;
  transition: border-color var(--atl-transition), box-shadow var(--atl-transition);
  outline: none;
}

.form-input::placeholder {
  color: var(--atl-text-muted);
}

.form-input:focus {
  border-color: var(--atl-cyan);
  box-shadow: 0 0 0 3px rgba(26, 200, 219, 0.15);
}

.form-input:invalid:not(:placeholder-shown) {
  border-color: var(--atl-error);
}

/* Newsletter inline */
.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 460px;
  margin-inline: auto;
}

.newsletter-form .form-input {
  flex: 1;
  min-width: 0;
}

/* --------------------------------
   28. COULEURS SCHEMA SOMBRE
   -------------------------------- */

@media (prefers-color-scheme: dark) {
  /* Déjà dark par défaut — aucun override nécessaire */
}

/* --------------------------------
   29. RESPONSIVE — TABLET (768px+)
   -------------------------------- */

@media (min-width: 768px) {

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

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Pricing */
  .pricing-wrapper {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Hero */
  .hero-cta {
    flex-wrap: nowrap;
  }

  /* Gallery */
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  /* Timeline */
  .timeline::before {
    left: 28px;
  }

  .timeline-number {
    width: 56px;
    height: 56px;
    min-width: 56px;
  }

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

  /* Footer bottom */
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .footer-legal {
    justify-content: flex-end;
  }

  /* Newsletter */
  .newsletter-form {
    margin-inline: 0;
  }
}

/* --------------------------------
   30. RESPONSIVE — DESKTOP (1024px+)
   -------------------------------- */

@media (min-width: 1024px) {

  /* Navigation */
  .site-nav {
    display: flex;
  }

  .header-cta {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }

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

  /* Hero avec image */
  .hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
  }

  .hero-image {
    display: block;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Pricing */
  .pricing-wrapper {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }

  .pricing-card.featured {
    transform: scale(1.05);
  }

  .pricing-card.featured:hover {
    transform: scale(1.07);
  }

  /* Timeline horizontal optionnel */
  .timeline-horizontal {
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
  }

  .timeline-horizontal::before {
    top: 28px;
    left: 0;
    right: 0;
    bottom: auto;
    width: auto;
    height: 2px;
  }

  .timeline-horizontal .timeline-step {
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    padding-bottom: 0;
    padding-inline: 16px;
  }

  .timeline-horizontal .timeline-content {
    padding-top: 20px;
  }

  /* Gallery 3 colonnes */
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Footer 4 colonnes */
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
  }

  /* CTA card */
  .cta-card {
    padding: 80px 60px;
  }
}

/* --------------------------------
   31. RESPONSIVE — LARGE (1280px+)
   -------------------------------- */

@media (min-width: 1280px) {

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .hero-inner {
    gap: 80px;
  }
}

/* --------------------------------
   32. MOBILE OVERRIDES (< 768px)
   -------------------------------- */

@media (max-width: 767px) {

  /* Section padding réduit */
  .section {
    padding: 60px 0;
  }

  :root {
    --atl-section-padding: 60px 0;
  }

  /* Hero */
  .hero-content {
    text-align: center;
    padding-top: 120px;
  }

  .hero-badge {
    margin-inline: auto;
  }

  .hero-subtitle {
    margin-inline: auto;
  }

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

  .hero-trust {
    justify-content: center;
  }

  /* Section title */
  .section-title {
    margin-bottom: 40px;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  /* Pricing — featured en premier */
  .pricing-card.featured {
    order: -1;
    transform: scale(1);
  }

  .pricing-card.featured:hover {
    transform: translateY(-2px);
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* Boutons full width sur mobile dans hero */
  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  /* CTA actions */
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* Newsletter form */
  .newsletter-form {
    flex-direction: column;
  }

  /* Glass card padding réduit */
  .glass-card,
  .feature-card {
    padding: 24px 20px;
  }

  /* Pricing card padding réduit */
  .pricing-card {
    padding: 32px 24px;
  }
}

/* --------------------------------
   33. PRINT
   -------------------------------- */

@media print {
  .site-header,
  .menu-toggle,
  .mobile-menu,
  .site-footer {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .hero {
    min-height: auto;
  }
}