/* ============================================
   ATLAS IPTV PRO — Styles Globaux
   Design Apple premium, couleur accent #E8350A
   ============================================ */

/* --- Variables CSS --- */
:root {
  --white: #FFFFFF;
  --bg: #FFFFFF;
  --bg-alt: #F5F5F7;
  --text: #0A0A0A;
  --text-secondary: #6E6E73;
  --accent: #E8350A;
  --accent-hover: #FF4518;
  --accent-light: rgba(232,53,10,0.08);
  --accent-secondary: #FF6B35;
  --green-whatsapp: #25D366;
  --border: #D2D2D7;
  --border-light: #E8E8ED;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --nav-height: 64px;
  --max-width: 1200px;
  --transition: 0.3s cubic-bezier(0.25,0.1,0.25,1);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  padding-top: var(--nav-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

/* --- Container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Sections --- */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
  line-height: 1.6;
}

/* --- Boutons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 980px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(232,53,10,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent-light);
  color: var(--accent);
  transform: translateY(-1px);
}

.btn-whatsapp {
  background: var(--green-whatsapp);
  color: #fff;
}

.btn-whatsapp:hover {
  background: #1ebe5d;
  color: #fff;
  box-shadow: 0 4px 16px rgba(37,211,102,0.3);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.9rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* --- Hero --- */
.hero {
  text-align: center;
  padding: 100px 0 80px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Trust Bar --- */
.trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 48px 0;
}

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

.trust-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.trust-label {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.trust-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* --- Cards / Grilles --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}

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

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Pricing --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}

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

.pricing-card.popular {
  border: 2px solid var(--accent);
  box-shadow: 0 8px 32px rgba(232,53,10,0.12);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 980px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pricing-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}

.pricing-period {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
}

.pricing-features li {
  font-size: 0.9rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-features li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
}

/* --- Reviews --- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
}

.review-card:hover {
  box-shadow: var(--shadow-md);
}

.review-stars {
  color: #F5A623;
  font-size: 1rem;
  margin-bottom: 12px;
}

.review-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  font-style: italic;
}

.review-author {
  font-size: 0.85rem;
  font-weight: 600;
}

/* --- Devices --- */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.device-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: all var(--transition);
  cursor: default;
}

.device-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.device-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.device-name {
  font-size: 0.85rem;
  font-weight: 600;
}

/* --- FAQ / Accordion --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

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

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

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

.faq-question::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.open .faq-question::after {
  content: "−";
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding-bottom: 20px;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Blog Cards --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
  display: block;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  color: inherit;
}

.blog-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.blog-card-body {
  padding: 20px;
}

.blog-card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  padding: 3px 10px;
  border-radius: 980px;
  margin-bottom: 10px;
}

.blog-card-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}

.blog-card-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --- Download Cards --- */
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.download-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}

.download-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.download-card .device-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.download-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.download-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* --- Footer --- */
.footer {
  background: var(--text);
  color: #ccc;
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 32px;
}

.footer h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: #999;
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.85rem;
  color: #666;
}

/* --- Modale commande --- */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--white);
  border-radius: var(--radius);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0,0,0,0.2);
  position: relative;
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px 0;
}

.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-alt);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
  font-size: 1.1rem;
  line-height: 1;
}

.modal-close:hover {
  background: var(--border-light);
  color: var(--text);
}

.modal-body {
  padding: 20px 28px 28px;
}

.modal-body .form-group {
  margin-bottom: 14px;
}

.modal-body .form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 5px;
}

.modal-body .form-group input,
.modal-body .form-group select,
.modal-body .form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--white);
  color: var(--text);
  transition: border-color var(--transition);
}

.modal-body .form-group input:focus,
.modal-body .form-group select:focus,
.modal-body .form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,53,10,0.12);
}

.modal-body .form-group textarea {
  resize: vertical;
  min-height: 70px;
}

.modal-body .form-group .field-error {
  color: #e53e3e;
  font-size: 0.78rem;
  margin-top: 4px;
  display: none;
}

.modal-body .form-group.has-error input,
.modal-body .form-group.has-error select {
  border-color: #e53e3e;
}

.modal-body .form-group.has-error .field-error {
  display: block;
}

.btn-whatsapp-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 24px;
  background: #25D366;
  color: #fff;
  border: none;
  border-radius: 980px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--transition);
  margin-top: 8px;
}

.btn-whatsapp-submit:hover {
  background: #1ebe5d;
  box-shadow: 0 4px 16px rgba(37,211,102,0.3);
  transform: translateY(-1px);
}

.modal-success {
  text-align: center;
  padding: 32px 0;
}

.modal-success h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.modal-success p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* --- Article / Tutoriel --- */
.article-content {
  max-width: 800px;
  margin: 0 auto;
}

.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 48px 0 16px;
  letter-spacing: -0.01em;
}

.article-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 32px 0 12px;
}

.article-content p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.article-content ul,
.article-content ol {
  margin: 0 0 16px 24px;
}

.article-content li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 6px;
}

.article-content strong {
  color: var(--text);
}

/* --- Table des matières sticky --- */
.toc-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.toc-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  align-self: start;
  max-height: calc(100vh - var(--nav-height) - 48px);
  overflow-y: auto;
}

.toc-sidebar h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.toc-sidebar ul {
  list-style: none;
}

.toc-sidebar li {
  margin-bottom: 6px;
}

.toc-sidebar a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  padding: 4px 0;
  transition: color var(--transition);
  border-left: 2px solid transparent;
  padding-left: 12px;
}

.toc-sidebar a:hover,
.toc-sidebar a.active {
  color: var(--accent);
  border-left-color: var(--accent);
}

/* --- Steps (numérotées) --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}

.step-card:hover {
  box-shadow: var(--shadow-md);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 800;
  border-radius: 50%;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Code box (downloader) --- */
.code-box {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  margin: 16px 0;
}

.code-box .code-number {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: 6px;
}

.code-box .code-label {
  font-size: 0.85rem;
  opacity: 0.85;
  margin-top: 4px;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
  color: #fff;
  text-align: center;
  padding: 64px 24px;
  border-radius: var(--radius-lg);
  margin: 48px 0;
}

.cta-banner h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-banner p {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 24px;
}

.cta-banner .btn {
  background: #fff;
  color: var(--accent);
}

.cta-banner .btn:hover {
  background: #f0f0f0;
  color: var(--accent);
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.85rem;
}

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

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

.breadcrumb span {
  color: var(--text-secondary);
  margin: 0 6px;
}

/* --- Contact Form --- */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
}

.contact-form .form-group {
  margin-bottom: 16px;
}

.contact-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--white);
  color: var(--text);
  transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,53,10,0.12);
}

.contact-form textarea {
  resize: vertical;
  min-height: 100px;
}

/* --- Fade-in animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features-grid,
  .pricing-grid,
  .reviews-grid,
  .steps-grid,
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .toc-layout {
    grid-template-columns: 1fr;
  }

  .toc-sidebar {
    display: none;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .hero {
    padding: 64px 0 48px;
  }

  .hero h1 {
    font-size: 1.75rem !important;
  }

  .trust-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .features-grid,
  .pricing-grid,
  .reviews-grid,
  .steps-grid,
  .blog-grid,
  .download-grid {
    grid-template-columns: 1fr;
  }

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

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

  #navLinks { display: none !important; }
  #navButtons { display: none !important; }
  #hamburgerBtn { display: flex !important; }
}

@media (min-width: 769px) {
  #mobileMenu { display: none !important; }
  #hamburgerBtn { display: none !important; }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

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