@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700;800&family=DM+Sans:wght@400;500;600;700&display=swap');

:root {
  /* Palette Premium - Sophistiquée et Élégante */
  --navy-deep: #0A1929;
  --navy-medium: #132F4C;
  --navy-light: #1E3A5F;
  --gold-accent: #D4AF37;
  --gold-light: #F4E5C2;
  --silver: #C0C5CE;
  
  /* Services - Couleurs raffinées */
  --auto-emerald: #0F7B6C;
  --info-sapphire: #1565C0;
  --cyber-amethyst: #6A1B9A;
  --immo-slate: #37474F;
  --consult-amber: #D84315;
  
  /* Neutres Premium */
  --white-pure: #FFFFFF;
  --off-white: #F8F9FB;
  --gray-light: #E8EAF0;
  --gray-medium: #8892A6;
  --gray-dark: #3E4756;
  --black-soft: #1A1D23;
  
  /* Effets */
  --shadow-soft: 0 2px 8px rgba(10, 25, 41, 0.04);
  --shadow-medium: 0 8px 32px rgba(10, 25, 41, 0.08);
  --shadow-strong: 0 16px 48px rgba(10, 25, 41, 0.12);
  --shadow-xl: 0 24px 64px rgba(10, 25, 41, 0.16);
}

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

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.7;
  color: var(--gray-dark);
  background: var(--off-white);
  overflow-x: hidden;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   HEADER - Premium Navigation
   ======================================== */
header {
  background: var(--white-pure);
  border-bottom: 1px solid var(--gray-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-soft);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.75rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy-deep);
  letter-spacing: -0.5px;
  position: relative;
  display: inline-block;
}

.logo::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-accent), transparent);
}

.tagline {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-medium);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* ========================================
   HERO - Premium Introduction
   ======================================== */
.hero {
  position: relative;
  background: linear-gradient(165deg, var(--navy-deep) 0%, var(--navy-medium) 50%, var(--navy-light) 100%);
  padding: 8rem 3rem 10rem;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(21, 101, 192, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 150px;
  background: linear-gradient(to top, var(--off-white), transparent);
}

.hero-content {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 50px;
  color: var(--gold-light);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--white-pure);
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero-highlight {
  color: var(--gold-accent);
  position: relative;
  display: inline-block;
}

.hero p {
  font-size: 1.25rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  max-width: 800px;
  margin: 0 auto 3rem;
  font-weight: 400;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-top: 4rem;
}

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

.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--gold-accent);
  display: block;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

/* ========================================
   SERVICES - Premium Cards
   ======================================== */
.services {
  padding: 8rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 6rem;
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: var(--gold-light);
  color: var(--navy-deep);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-medium);
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--white-pure);
  border-radius: 20px;
  padding: 3rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--gray-light);
  display: block;
  width: 100%;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, currentColor, transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.service-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, currentColor 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}

.service-card:hover::after {
  opacity: 0.03;
}

/* Couleurs par service */
.service-card.automobile { color: var(--auto-emerald); }
.service-card.informatique { color: var(--info-sapphire); }
.service-card.cybersecurity { color: var(--cyber-amethyst); }
.service-card.immobilier { color: var(--immo-slate); }
.service-card.consulting { color: var(--consult-amber); }

.service-header {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.service-icon {
  font-size: 3.5rem;
  flex-shrink: 0;
  opacity: 0.9;
  filter: grayscale(0);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
}

.service-title-group {
  flex: 1;
}

.service-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 0.5rem;
  letter-spacing: -0.3px;
}

.service-tagline {
  font-size: 0.875rem;
  color: var(--gray-medium);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.service-description {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-dark);
  margin-bottom: 2rem;
}

.service-features {
  list-style: none;
  margin-bottom: 2.5rem;
}

.service-features li {
  padding: 0.875rem 0;
  color: var(--gray-dark);
  position: relative;
  padding-left: 2rem;
  border-bottom: 1px solid var(--gray-light);
  transition: all 0.3s ease;
  font-size: 0.9375rem;
}

.service-features li:last-child {
  border-bottom: none;
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.15;
}

.service-features li::after {
  content: '✓';
  position: absolute;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-weight: 700;
  font-size: 0.75rem;
  color: currentColor;
}

.service-features li:hover {
  padding-left: 2.5rem;
  color: var(--navy-deep);
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: var(--navy-deep);
  color: var(--white-pure);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.service-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: currentColor;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.service-link:hover::before {
  opacity: 0.1;
}

.service-link:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-medium);
}

.service-link::after {
  content: '→';
  font-size: 1.25rem;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-link:hover::after {
  transform: translateX(5px);
}

/* ========================================
   CONTACT - Premium Form
   ======================================== */
.contact-section {
  position: relative;
  background: linear-gradient(165deg, var(--navy-deep) 0%, var(--navy-medium) 100%);
  padding: 8rem 3rem;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(21, 101, 192, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.contact-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.contact-header {
  text-align: center;
  margin-bottom: 4rem;
}

.contact-section h2 {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--white-pure);
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.contact-section p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}

.contact-form {
  background: var(--white-pure);
  padding: 4rem;
  border-radius: 24px;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.contact-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--gold-accent), var(--info-sapphire), var(--auto-emerald));
  border-radius: 24px 24px 0 0;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--navy-deep);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.3px;
}

.form-group label .required {
  color: var(--consult-amber);
  margin-left: 0.25rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1.125rem 1.25rem;
  border: 2px solid var(--gray-light);
  border-radius: 12px;
  font-size: 1rem;
  font-family: 'DM Sans', sans-serif;
  color: var(--gray-dark);
  background: var(--off-white);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--gold-accent);
  background: var(--white-pure);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 160px;
  line-height: 1.6;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%233E4756' d='M1.41 0L6 4.59L10.59 0L12 1.41L6 7.41L0 1.41L1.41 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.25rem center;
  padding-right: 3rem;
}

.submit-btn {
  width: 100%;
  padding: 1.375rem 2.5rem;
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy-medium) 100%);
  color: var(--white-pure);
  border: none;
  border-radius: 50px;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-medium);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
}

.submit-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.submit-btn:hover::before {
  left: 100%;
}

.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-strong);
}

.submit-btn:active {
  transform: translateY(-1px);
}

/* ========================================
   FOOTER - Premium
   ======================================== */
footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  padding: 3rem 3rem 2.5rem;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-accent), transparent);
}

footer p {
  margin: 0.75rem 0;
  font-size: 0.9375rem;
  letter-spacing: 0.3px;
}

footer p:first-of-type {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 1.5rem;
}

footer a {
  color: var(--gold-accent);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  position: relative;
}

footer a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold-accent);
  transition: width 0.3s ease;
}

footer a:hover::after {
  width: 100%;
}

footer a:hover {
  color: var(--white-pure);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .header-content {
    padding: 1.5rem 1.5rem;
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  .logo {
    font-size: 1.75rem;
  }

  .logo::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .tagline {
    font-size: 0.8125rem;
  }

  .hero {
    padding: 5rem 1.5rem 6rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.0625rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 2rem;
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .services {
    padding: 5rem 1.5rem;
  }

  .section-title {
    font-size: 2.25rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

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

  .service-card {
    padding: 2.5rem 2rem;
  }

  .service-card h3 {
    font-size: 1.5rem;
  }

  .service-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .service-icon {
    font-size: 3rem;
  }

  .contact-section {
    padding: 5rem 1.5rem;
  }

  .contact-section h2 {
    font-size: 2.25rem;
  }

  .contact-form {
    padding: 2.5rem 2rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  footer {
    padding: 2.5rem 1.5rem 2rem;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1.5rem;
  }

  .hero {
    padding: 4rem 1rem 5rem;
  }

  .hero h1 {
    font-size: 2rem;
    line-height: 1.2;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 0.4rem 1.25rem;
  }

  .services {
    padding: 4rem 1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .service-card {
    padding: 2rem 1.5rem;
  }

  .service-card h3 {
    font-size: 1.375rem;
  }

  .service-icon {
    font-size: 2.5rem;
  }

  .contact-section {
    padding: 4rem 1rem;
  }

  .contact-section h2 {
    font-size: 2rem;
  }

  .contact-form {
    padding: 2rem 1.5rem;
  }

  .submit-btn {
    padding: 1.25rem 2rem;
    font-size: 1rem;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}

/* Scroll animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   ANIMATIONS & EFFECTS
   ======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.slide-in-left {
  animation: slideInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.scale-in {
  animation: scaleIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Scroll animations */
.animate-on-scroll {
  opacity: 1;
  transform: translateY(0);
}

/* Optionnel : Animation douce au chargement */
@media (prefers-reduced-motion: no-preference) {
  .animate-on-scroll {
    animation: fadeInUp 0.6s ease-out backwards;
  }
  
  .animate-on-scroll:nth-child(1) { animation-delay: 0.1s; }
  .animate-on-scroll:nth-child(2) { animation-delay: 0.2s; }
  .animate-on-scroll:nth-child(3) { animation-delay: 0.3s; }
  .animate-on-scroll:nth-child(4) { animation-delay: 0.4s; }
  .animate-on-scroll:nth-child(5) { animation-delay: 0.5s; }
}

/* Staggered animations */
/* Animation delays removed to ensure immediate visibility */

html {
  scroll-behavior: smooth;
}

::selection {
  background: var(--gold-accent);
  color: var(--white-pure);
}

::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--off-white);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-medium);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--navy-deep);
}