/* ============================================================
   PRATIQ CRÉATION - Design System & Feuille de Style Principale
   ============================================================ */

:root {
  --primary-red: #E60B0B;
  --primary-red-hover: #C50909;
  --primary-red-light: rgba(230, 11, 11, 0.08);
  --dark-bg: #0F172A;
  --dark-surface: #1E293B;
  --text-dark: #0F172A;
  --text-muted: #64748B;
  --text-light: #F8FAFC;
  --bg-light: #F8FAFC;
  --bg-white: #FFFFFF;
  --border-color: #E2E8F0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

ul {
  list-style: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.main-content {
  flex: 1;
}

.section {
  padding: 5rem 0;
}

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

.section-dark {
  background-color: var(--dark-bg);
  color: var(--text-light);
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 3.5rem auto;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-dark .section-title {
  color: var(--text-light);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
}

.section-dark .section-subtitle {
  color: #94A3B8;
}

.title-badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background-color: var(--primary-red-light);
  color: var(--primary-red);
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.section-dark .title-badge {
  background-color: rgba(230, 11, 11, 0.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-red);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--primary-red-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(230, 11, 11, 0.3);
}

.btn-secondary {
  background-color: var(--dark-bg);
  color: #FFFFFF;
}

.btn-secondary:hover {
  background-color: var(--dark-surface);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--primary-red);
  color: var(--primary-red);
}

.btn-outline:hover {
  background-color: var(--primary-red);
  color: #FFFFFF;
}

.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
}

.btn-whatsapp:hover {
  background-color: #1DA851;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1.1rem 2.2rem;
  font-size: 1.1rem;
}

.btn-block {
  width: 100%;
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--dark-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-md);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo img {
  height: 48px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: #CBD5E1;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: #FFFFFF;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary-red);
  border-radius: 2px;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--dark-bg) 0%, #172554 100%);
  color: var(--text-light);
  padding: 6rem 0;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-title span {
  color: var(--primary-red);
}

.hero-description {
  font-size: 1.2rem;
  color: #94A3B8;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-card-preview {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item h4 {
  font-size: 1.75rem;
  color: var(--primary-red);
  font-weight: 800;
}

.stat-item p {
  font-size: 0.85rem;
  color: #94A3B8;
}

/* Cards & Grid System */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.card {
  background-color: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(230, 11, 11, 0.3);
}

.card-img-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: #E2E8F0;
  overflow: hidden;
}

.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background-color: var(--primary-red);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.card-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

.card-price {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-red);
}

/* Service Card Specialty */
.service-card {
  padding: 2.25rem;
  text-align: left;
  border-top: 4px solid var(--primary-red);
}

.service-icon {
  width: 56px;
  height: 56px;
  background-color: var(--primary-red-light);
  color: var(--primary-red);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

/* Form Styling */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-white);
  color: var(--text-dark);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-red);
  box-shadow: 0 0 0 3px rgba(230, 11, 11, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

/* Alert Messages */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.alert-success {
  background-color: #DEF7EC;
  color: #03543F;
  border: 1px solid #BCF0DA;
}

.alert-danger {
  background-color: #FDE8E8;
  color: #9B1C1C;
  border: 1px solid #FBD5D5;
}

.alert-info {
  background-color: #E1EFFE;
  color: #1E429F;
  border: 1px solid #1E429F;
}

.alert-warning {
  background-color: #FEF08A;
  color: #854D0E;
  border: 1px solid #FEF08A;
}

/* Testimonials */
.testimonial-card {
  padding: 1.75rem;
  position: relative;
}

.testimonial-rating {
  color: #F59E0B;
  margin-bottom: 1rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--primary-red-light);
  color: var(--primary-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

/* Footer */
.site-footer {
  background-color: var(--dark-bg);
  color: #94A3B8;
  padding: 4rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand img {
  height: 42px;
  margin-bottom: 1.25rem;
}

.footer-heading {
  color: #FFFFFF;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.25rem;
  }

  .menu-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--dark-bg);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-menu.active {
    transform: translateY(0);
  }

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

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}