/* ============================================================
   RBC Créations - Feuille de style principale
   Couleurs : Bleu professionnel / Blanc
   ============================================================ */

/* --- Variables CSS --- */
:root {
  --primary: #1e3a5f;
  --primary-light: #2c5282;
  --primary-dark: #1a2d47;
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --success: #10b981;
  --warning: #f59e0b;
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius: 12px;
  --radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: var(--shadow);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
}
.nav-logo span {
  color: var(--accent);
}
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}
.nav-links a {
  color: var(--gray-600);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Mobile menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  transition: var(--transition);
  border-radius: 2px;
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    transform: translateY(-120%);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open {
    transform: translateY(0);
  }
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 1.5rem 4rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--accent) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 30px 30px;
  animation: float 20s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-20px, -20px); }
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  letter-spacing: -1px;
}
.hero p {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  opacity: 0.9;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--white);
  color: var(--primary);
}
.btn-primary:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--primary);
}
.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
  color: var(--white);
  transform: translateY(-2px);
}
.btn-accent {
  background: var(--accent);
  color: var(--white);
}
.btn-accent:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
}
.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

/* --- Sections --- */
.section {
  padding: 5rem 1.5rem;
}
.section-alt {
  background: var(--gray-50);
}
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}
.section-header p {
  color: var(--gray-500);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.service-card .badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--accent);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  z-index: 2;
}
.service-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--gray-200), var(--gray-100));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 3rem;
}
.service-body {
  padding: 1.5rem;
}
.service-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.75rem;
}
.service-body p {
  color: var(--gray-500);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}
.service-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--gray-100);
}
.service-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}
.service-price small {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--gray-400);
}

/* --- Features / Avantages --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}
.feature-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  font-size: 1.5rem;
  color: var(--white);
}
.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.75rem;
}
.feature-card p {
  color: var(--gray-500);
  font-size: 0.9rem;
}

/* --- Process / Comment ça marche --- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 2rem;
  counter-reset: step;
}
.process-step {
  text-align: center;
  padding: 2rem 1.5rem;
  position: relative;
}
.process-step::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0 auto 1.25rem;
}
.process-step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.process-step p {
  color: var(--gray-500);
  font-size: 0.9rem;
}

/* --- Témoignages --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  position: relative;
}
.testimonial-card::before {
  content: '\201C';
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.2;
  position: absolute;
  top: 0.5rem;
  left: 1.5rem;
  font-family: serif;
  line-height: 1;
}
.testimonial-card p {
  color: var(--gray-600);
  font-style: italic;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}
.testimonial-author {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.9rem;
}
.testimonial-stars {
  color: var(--warning);
  margin-bottom: 0.5rem;
}

/* --- Contact --- */
.contact-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.contact-info h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1rem;
}
.contact-info p {
  opacity: 0.85;
  margin-bottom: 2rem;
}
.contact-detail {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 1rem;
}
.contact-detail i {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-xl);
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  color: var(--gray-800);
  background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-submit {
  width: 100%;
  padding: 1rem;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.form-submit:hover {
  background: var(--primary);
  transform: translateY(-1px);
}

/* --- Footer --- */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 3rem 1.5rem 1.5rem;
}
.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}
@media (max-width: 768px) {
  .footer-content { grid-template-columns: 1fr; }
}
.footer h3 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}
.footer p {
  font-size: 0.9rem;
  line-height: 1.6;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 0.5rem;
}
.footer-links a {
  color: var(--gray-400);
  font-size: 0.9rem;
}
.footer-links a:hover {
  color: var(--white);
}
.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}
.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--gray-800);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--accent);
  color: var(--white);
}
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-800);
  text-align: center;
  font-size: 0.85rem;
}

/* --- Modal PayPal --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-overlay.active {
  display: flex;
}
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 500px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-xl);
  animation: modalIn 0.3s ease;
}
@keyframes modalIn {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gray-400);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}
.modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}
.modal h3 {
  font-size: 1.35rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.modal .modal-price {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
#paypal-button-container {
  min-height: 50px;
}

/* --- Paiement Stripe + PayPal --- */
.payment-choice {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.payment-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.9rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}
.payment-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}
.payment-btn-stripe {
  background: linear-gradient(135deg, #635bff, #7c3aed);
  color: white;
  box-shadow: 0 4px 14px rgba(99, 91, 255, 0.3);
}
.payment-btn-stripe:hover:not(:disabled) {
  background: linear-gradient(135deg, #5046e4, #6d28d9);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 91, 255, 0.4);
}
.payment-separator {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--gray-400);
  font-size: 0.85rem;
}
.payment-separator::before,
.payment-separator::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}
.payment-error {
  text-align: center;
  color: #dc2626;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  padding: 0.5rem;
  background: #fef2f2;
  border-radius: 8px;
}
.payment-not-configured {
  text-align: center;
  padding: 1.5rem;
  background: var(--gray-50);
  border-radius: var(--radius);
  border: 2px dashed var(--gray-300);
}
.payment-not-configured p {
  margin-bottom: 0.5rem;
  color: var(--gray-600);
  font-size: 0.9rem;
}

/* --- Utilitaires --- */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }

/* --- Animations au scroll --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Page Services --- */
.services-header {
  padding-top: 100px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  text-align: center;
  padding-bottom: 3rem;
}
.services-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
}
.services-header p {
  opacity: 0.85;
  margin-top: 1rem;
  font-size: 1.1rem;
}
.filter-bar {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: 0.625rem 1.5rem;
  border: 2px solid var(--gray-200);
  border-radius: 50px;
  background: var(--white);
  color: var(--gray-600);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
}
.filter-btn:hover,
.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(59,130,246,0.05);
}

/* --- Notification toast --- */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--success);
  color: var(--white);
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  transform: translateY(120%);
  transition: var(--transition);
  z-index: 3000;
  font-weight: 500;
}
.toast.show {
  transform: translateY(0);
}