/* ============================================
   GILLES CHERIX - Design System
   Dark mode élégant avec accents dorés
   ============================================ */

:root {
  /* Couleurs principales */
  --color-deep: #0a0f1a;
  --color-surface: #111827;
  --color-surface-elevated: #1f2937;
  
  /* Accents dorés */
  --color-warm: #fbbf24;
  --color-warm-soft: #fde68a;
  --color-accent: #f59e0b;
  
  /* Texte */
  --color-text: #e5e7eb;
  --color-text-muted: #9ca3af;
  
  /* Bordures */
  --color-border: rgba(251, 191, 36, 0.15);
  
  /* Typographie */
  --font-heading: 'Cormorant Garamond', serif;
  --font-body: 'Jost', sans-serif;
  
  /* Transitions */
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--color-text);
  background: var(--color-deep);
  line-height: 1.7;
  font-size: 17px;
}

/* ============================================
   Navigation
   ============================================ */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 15, 26, 0.95);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}

nav.scrolled {
  padding: 15px 60px;
  box-shadow: 0 2px 30px rgba(251, 191, 36, 0.08);
}

.logo {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-symbol {
  width: 44px;
  height: 44px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.logo-tagline {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 300;
  color: var(--color-text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-warm);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a:hover::after {
  width: 100%;
}

/* ============================================
   Sections communes
   ============================================ */

section {
  padding: 120px 60px;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 20px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   Boutons
   ============================================ */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 36px;
  background: var(--color-warm);
  color: var(--color-deep);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: 4px;
  transition: all var(--transition);
}

.btn-primary:hover {
  background: var(--color-warm-soft);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(251, 191, 36, 0.3);
}

.btn-primary svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition);
}

.btn-primary:hover svg {
  transform: translateX(4px);
}

.btn-secondary {
  display: inline-block;
  padding: 12px 24px;
  border: 1px solid var(--color-warm);
  color: var(--color-warm);
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: 4px;
  transition: all var(--transition);
}

.btn-secondary:hover {
  background: var(--color-warm);
  color: var(--color-deep);
}

/* ============================================
   Hero
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 60px 80px;
  background: linear-gradient(135deg, var(--color-deep) 0%, var(--color-surface) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(ellipse, rgba(251, 191, 36, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
  width: 100%;
}

.hero-text h1 {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.15;
  margin-bottom: 30px;
  min-height: 2.3em;
}

.hero-text h1::after {
  content: '|';
  color: var(--color-warm);
  animation: blink 0.8s infinite;
  margin-left: 2px;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-text h1 em {
  font-style: italic;
  color: var(--color-warm);
}

.hero-text p {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 500px;
  margin-bottom: 40px;
}

.hero-image {
  position: relative;
}

.hero-image-container {
  position: relative;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  border: 3px solid var(--color-border);
  margin: 0 auto;
}

.hero-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: grayscale(20%);
}

.hero-image-accent {
  position: absolute;
  top: -25px;
  right: -25px;
  width: 100px;
  height: 100px;
  border: 2px solid var(--color-warm);
  border-radius: 50%;
  opacity: 0.5;
}

.hero-image-accent-2 {
  position: absolute;
  bottom: -30px;
  left: -30px;
  width: 140px;
  height: 140px;
  background: var(--color-warm);
  opacity: 0.05;
  border-radius: 50%;
}

/* ============================================
   About
   ============================================ */

#about {
  background: var(--color-surface);
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.about-intro {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--color-warm);
  text-align: center;
  margin-bottom: 50px;
  line-height: 1.5;
}

.about-text {
  columns: 2;
  column-gap: 60px;
  margin-bottom: 60px;
}

.about-text p {
  margin-bottom: 20px;
  color: var(--color-text-muted);
}

.about-text p:first-child {
  color: var(--color-text);
}

.beliefs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  padding-top: 60px;
  border-top: 1px solid var(--color-border);
}

.belief {
  text-align: center;
}

.belief-symbol {
  font-size: 2.5rem;
  color: var(--color-warm);
  margin-bottom: 15px;
  display: block;
}

.belief p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   Approach
   ============================================ */

#approach {
  background: var(--color-deep);
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.approach-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 50px 40px;
  transition: all var(--transition);
}

.approach-card:hover {
  background: var(--color-surface-elevated);
  transform: translateY(-5px);
  border-color: var(--color-warm);
}

.approach-symbol {
  font-size: 3rem;
  color: var(--color-warm);
  margin-bottom: 25px;
  display: block;
}

.approach-card h3 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 500;
  margin-bottom: 20px;
  color: var(--color-text);
}

.approach-card p {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.7;
}

/* ============================================
   Process
   ============================================ */

#process {
  background: var(--color-surface);
}

.process-steps {
  display: flex;
  justify-content: center;
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 50px;
  left: 15%;
  right: 15%;
  height: 1px;
  background: var(--color-border);
}

.step {
  text-align: center;
  flex: 1;
  max-width: 220px;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--color-surface-elevated);
  border: 2px solid var(--color-warm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-warm);
  position: relative;
  z-index: 1;
}

.step h4 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 10px;
}

.step p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ============================================
   Offerings
   ============================================ */

#offerings {
  background: var(--color-deep);
}

.offerings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.offering-card {
  background: var(--color-surface);
  border-radius: 8px;
  padding: 45px 35px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.offering-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-warm);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.offering-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  border-color: var(--color-warm);
}

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

.offering-card.featured {
  background: linear-gradient(135deg, var(--color-warm) 0%, var(--color-accent) 100%);
  color: var(--color-deep);
  border-color: var(--color-warm);
}

.offering-card.featured::before {
  background: var(--color-deep);
}

.offering-header {
  margin-bottom: 25px;
}

.offering-header h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 8px;
}

.offering-card.featured .offering-header h3 {
  color: var(--color-deep);
}

.offering-duration {
  font-size: 0.85rem;
  color: var(--color-warm);
  font-weight: 400;
}

.offering-card.featured .offering-duration {
  color: var(--color-surface);
}

.offering-card p,
.offering-body p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.offering-card.featured p,
.offering-card.featured .offering-body p {
  color: rgba(10, 15, 26, 0.8);
}

.offering-body {
  margin-bottom: 20px;
}

.offering-body strong {
  color: var(--color-text);
}

.offering-card.featured .offering-body strong {
  color: var(--color-deep);
}

.offering-card ul {
  list-style: none;
  margin-bottom: 25px;
}

.offering-card li {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
}

.offering-card.featured li {
  color: rgba(10, 15, 26, 0.8);
}

.offering-card li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--color-warm);
  font-weight: bold;
}

.offering-card.featured li::before {
  color: var(--color-deep);
}

.offering-card.featured .btn-secondary {
  border-color: var(--color-deep);
  color: var(--color-deep);
}

.offering-card.featured .btn-secondary:hover {
  background: var(--color-deep);
  color: var(--color-warm);
}

/* ============================================
   Testimonials
   ============================================ */

#testimonials {
  background: var(--color-deep);
  overflow: hidden;
}

.testimonials-carousel {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.carousel-container {
  overflow: hidden;
  border-radius: 8px;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
  min-width: 100%;
  background: var(--color-surface);
  border-radius: 8px;
  padding: 60px 70px;
  position: relative;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 30px;
  left: 50px;
  font-family: var(--font-heading);
  font-size: 6rem;
  color: var(--color-warm);
  opacity: 0.15;
  line-height: 1;
}

.testimonial-card.featured {
  background: linear-gradient(135deg, var(--color-warm) 0%, var(--color-accent) 100%);
  color: var(--color-deep);
  border-color: var(--color-warm);
}

.testimonial-card.featured::before {
  color: var(--color-deep);
  opacity: 0.1;
}

.testimonial-quote {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: 30px;
  position: relative;
  z-index: 1;
  text-align: center;
}

.testimonial-card.featured .testimonial-quote {
  color: var(--color-deep);
}

.testimonial-result {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 35px;
  padding: 20px 25px;
  background: var(--color-surface-elevated);
  border-radius: 6px;
  border-left: 3px solid var(--color-warm);
  text-align: left;
}

.testimonial-card.featured .testimonial-result {
  color: var(--color-surface);
  background: rgba(10, 15, 26, 0.15);
  border-left-color: var(--color-deep);
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.testimonial-author-info {
  text-align: center;
}

.testimonial-author-info h4 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 4px;
}

.testimonial-card.featured .testimonial-author-info h4 {
  color: var(--color-deep);
}

.testimonial-author-info span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.testimonial-card.featured .testimonial-author-info span {
  color: rgba(10, 15, 26, 0.7);
}

.carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  margin-top: 40px;
}

.carousel-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 1px solid var(--color-warm);
  background: transparent;
  color: var(--color-warm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.carousel-btn:hover {
  background: var(--color-warm);
  color: var(--color-deep);
}

.carousel-btn svg {
  width: 20px;
  height: 20px;
}

.carousel-dots {
  display: flex;
  gap: 10px;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-surface-elevated);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.carousel-dot.active {
  background: var(--color-warm);
  transform: scale(1.2);
}

.carousel-dot:hover:not(.active) {
  background: var(--color-text-muted);
}

/* ============================================
   Contact
   ============================================ */

#contact {
  background: var(--color-surface);
  text-align: center;
}

.contact-content {
  max-width: 700px;
  margin: 0 auto;
}

.contact-content h2 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 25px;
}

.contact-content > p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 50px;
}

.contact-cta {
  margin-bottom: 50px;
}

.contact-info {
  display: flex;
  justify-content: center;
  gap: 50px;
  flex-wrap: wrap;
}

.contact-info a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 1rem;
  transition: color var(--transition);
}

.contact-info a:hover {
  color: var(--color-warm);
}

/* ============================================
   Footer
   ============================================ */

footer {
  background: var(--color-deep);
  color: var(--color-text-muted);
  text-align: center;
  padding: 40px 60px;
  font-size: 0.9rem;
  border-top: 1px solid var(--color-border);
}

/* ============================================
   Animations
   ============================================ */

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

.hero-text,
.hero-image {
  animation: fadeInUp 0.8s ease-out forwards;
}

.hero-image {
  animation-delay: 0.2s;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-text h1 {
    font-size: 3rem;
  }
  
  .hero-text p {
    margin: 0 auto 40px;
  }
  
  .hero-image {
    max-width: 340px;
    margin: 0 auto;
  }
  
  .hero-image-container {
    width: 280px;
    height: 280px;
  }
  
  .about-text {
    columns: 1;
  }
  
  .beliefs {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .approach-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }
  
  .offerings-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }
  
  .process-steps {
    flex-direction: column;
    align-items: center;
  }
  
  .process-steps::before {
    display: none;
  }
}

@media (max-width: 768px) {
  nav {
    padding: 15px 30px;
  }
  
  .nav-links {
    display: none;
  }
  
  section {
    padding: 80px 30px;
  }
  
  .hero {
    padding: 100px 30px 60px;
  }
  
  .hero-text h1 {
    font-size: 2.4rem;
  }
  
  .section-header h2 {
    font-size: 2.2rem;
  }
  
  .beliefs {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .contact-info {
    flex-direction: column;
    gap: 20px;
  }
  
  .testimonial-card {
    padding: 40px 30px;
  }
  
  .testimonial-card::before {
    font-size: 4rem;
    top: 20px;
    left: 25px;
  }
  
  .testimonial-quote {
    font-size: 1.25rem;
  }
  
  .carousel-controls {
    gap: 20px;
  }
  
  .carousel-btn {
    width: 44px;
    height: 44px;
  }
}