/* 
  Redesign by Gemini CLI 
  Concept: Serenity & Clarity
  Philosophy: Clean, empathetic, professional.
*/

:root {
  /* Colors */
  --color-bg: #fdfbf7;
  --color-surface: #ffffff;
  --color-primary: #7c9473; /* Muted Sage */
  --color-primary-dark: #5e7256;
  --color-primary-light: #e8ede7;
  --color-text: #2c3333;
  --color-text-muted: #536162;
  --color-accent: #cf8a4f; /* Soft Terracotta for accents */
  --color-border: rgba(44, 51, 51, 0.08);

  /* Typography */
  --font-display: "Cormorant Garamond", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.06);

  /* Spacing */
  --container-width: 1100px;
  --section-padding: 120px;

  /* Transitions */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --duration-fast: 200ms;
  --duration-base: 300ms;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--duration-fast) var(--ease-out);
}

ul {
  list-style: none;
}

button, .btn {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  transition: transform var(--duration-fast) var(--ease-out), 
              background var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.btn:active {
  transform: scale(0.97);
}

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

/* Components */
.section-tag {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 16px;
  font-weight: 600;
}

.section-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: 24px;
  color: var(--color-text);
}

.section-title em {
  font-style: italic;
  color: var(--color-primary);
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  padding: 14px 28px;
  border-radius: 100px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 14px 28px;
  border-radius: 100px;
  font-weight: 500;
}

.btn-outline:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 24px 0;
  transition: padding var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.header.scrolled {
  padding: 16px 0;
  background: rgba(253, 251, 247, 0.85);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--color-border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-weight: 700;
  font-family: var(--font-body);
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-cta {
  background: var(--color-primary);
  color: white;
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 0.9rem;
}

.nav-toggle {
  display: none;
}

/* Hero */
.hero {
  padding-top: 180px;
  padding-bottom: 100px;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 80% 20%, var(--color-primary-light) 0%, transparent 40%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(3.5rem, 8vw, 5.5rem);
  line-height: 0.95;
  margin-bottom: 32px;
}

.hero-title span {
  display: block;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 540px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

.hero-visual {
  position: relative;
}

.hero-image-container {
  position: relative;
  z-index: 1;
}

.hero-shape {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 120%;
  background: var(--color-primary-light);
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  z-index: -1;
  opacity: 0.5;
  animation: blob 20s infinite alternate var(--ease-out);
}

@keyframes blob {
  0% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
  100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
}

.hero-card {
  position: absolute;
  bottom: 20px;
  right: -20px;
  background: white;
  padding: 24px;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  max-width: 200px;
  z-index: 2;
}

.hero-card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 16px;
}

/* About */
.about {
  padding: var(--section-padding) 0;
  background: var(--color-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  border-radius: 30px;
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.hero-main-image {
  aspect-ratio: 1/1;
  border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
  background-image: url('/cabinet.webp');
  background-size: cover;
  background-position: center;
}

.about-content p {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
}

.stat-item {
  padding: 24px;
  background: var(--color-bg);
  border-radius: 20px;
  border: 1px solid var(--color-border);
}

.stat-num {
  display: block;
  font-size: 2rem;
  font-family: var(--font-display);
  color: var(--color-primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Expertise */
.expertise {
  padding: var(--section-padding) 0;
}

.expertise-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.expertise-card {
  background: white;
  padding: 40px;
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}

.expertise-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.expertise-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.expertise-card p {
  color: var(--color-text-muted);
}

/* Bilans (Accordion version) */
.bilans {
  padding: var(--section-padding) 0;
  background: var(--color-text);
  color: white;
}

.bilans .section-tag { color: var(--color-primary-light); }
.bilans .section-title { color: white; }

.bilan-list {
  margin-top: 60px;
}

.bilan-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.bilan-item:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.bilan-header {
  display: grid;
  grid-template-columns: 120px 1fr 48px;
  padding: 32px 0;
  align-items: center;
  width: 100%;
  text-align: left;
  color: white;
  cursor: pointer;
  transition: padding var(--duration-base) var(--ease-out);
  border-radius: 0;
}

.bilan-header:hover {
  padding-left: 20px;
  padding-right: 4px;
}

.bilan-item.is-open .bilan-header {
  padding-left: 20px;
  padding-right: 4px;
}

.bilan-code {
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.1rem;
}

.bilan-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
}

.bilan-arrow {
  justify-self: end;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--duration-fast) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
  flex-shrink: 0;
}

.bilan-header:hover .bilan-arrow,
.bilan-item.is-open .bilan-arrow {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.bilan-item.is-open .bilan-arrow {
  transform: rotate(180deg);
}

.bilan-details {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.45s var(--ease-out), opacity 0.3s var(--ease-out);
}

.bilan-item.is-open .bilan-details {
  max-height: 600px;
  opacity: 1;
}

.bilan-details-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  padding: 0 20px 36px;
}

.bilan-detail-block {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bilan-detail-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--color-primary);
}

.bilan-detail-value {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.55;
}

/* Parcours */
.parcours {
  padding: var(--section-padding) 0;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 60px auto 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-left: 40px;
  margin-bottom: 48px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 4px solid var(--color-bg);
  box-shadow: 0 0 0 4px var(--color-primary-light);
}

.timeline-date {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
  display: block;
}

.timeline-content h3 {
  font-size: 1.35rem;
  margin-bottom: 8px;
}

.timeline-content p {
  color: var(--color-text-muted);
}

/* Contact */
.contact {
  padding: var(--section-padding) 0;
  background: var(--color-surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
}

.contact-info h2 {
  font-size: 3rem;
  margin-bottom: 32px;
}

.info-list {
  margin-bottom: 48px;
}

.info-item {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
}

.info-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.info-text h4 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.info-text p {
  color: var(--color-text-muted);
}

.contact-form {
  background: var(--color-bg);
  padding: 48px;
  border-radius: 32px;
  border: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.form-group select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath d='M3 5l4 4 4-4' stroke='%23536162' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  padding-right: 46px;
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-light);
}

/* Footer */
.footer {
  padding: 60px 0;
  background: var(--color-text);
  color: white;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 16px;
  display: inline-block;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 32px;
}

.footer-copy {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Animations Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* Mobile Responsive */
@media (max-width: 992px) {
  :root {
    --section-padding: 80px;
  }
  
  .hero-grid, .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .hero-title {
    font-size: 3.5rem;
  }
  
  .nav-links {
    display: none; /* Mobile menu needed */
  }
  
  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 30px;
    height: 20px;
    justify-content: center;
  }
  
  .nav-toggle span {
    width: 100%;
    height: 2px;
    background: var(--color-text);
    transition: var(--duration-fast) var(--ease-out);
  }
  
  .nav-links.open {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
    z-index: 1001;
    gap: 40px;
  }

  .nav-links.open .nav-link {
    font-size: 1.5rem;
  }
}