/* ===== Variables - Light Mode ===== */
:root {
  --brown-900: #3e2723;
  --brown-700: #5d4037;
  --brown-600: #6d4c41;
  --brown-500: #8b7355;
  --brown-400: #a1887f;
  --brown-300: #bcaaa4;
  --brown-100: #d7ccc8;
  --brown-50: #efebe9;

  --gray-900: #212121;
  --gray-850: #333333;
  --gray-800: #424242;
  --gray-700: #616161;
  --gray-600: #757575;
  --gray-400: #bdbdbd;
  --gray-300: #e0e0e0;
  --gray-200: #eeeeee;
  --gray-100: #f5f5f5;
  --gray-50: #fafafa;

  --white: #ffffff;
  --cream: #f5f1ed;

  /* Fixed colors for high contrast (don't invert) */
  --color-light: #ffffff;
  --color-dark: #1a1a1a;

  --primary: var(--brown-700);
  --secondary: var(--gray-800);
  --accent: var(--brown-600);
  --bg: var(--white);
  --bg-alt: var(--cream);
  --text: var(--gray-900);
  --text-muted: var(--gray-850);
  --border: var(--gray-200);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  transition: background-color 0.6s cubic-bezier(0.4, 0, 0.2, 1),
    color 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html:has(.theme-checkbox:checked) img:not(.logo-img) {
  opacity: 0.9;
}

ul {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===== Dark Mode Toggle (Checkbox caché) ===== */
.theme-checkbox {
  position: fixed;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
  top: 0;
  left: 0;
}

.menu-checkbox {
  position: fixed;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
  top: 0;
  left: 0;
}

/* Variables Dark Mode avec checkbox CSS */
html:has(.theme-checkbox:checked) {
  --brown-900: #efebe9;
  --brown-700: #d7ccc8;
  --brown-600: #bcaaa4;
  --brown-500: #a1887f;
  --brown-400: #8b7355;
  --brown-300: #6d4c41;
  --brown-100: #5d4037;
  --brown-50: #3e2723;

  --gray-900: #fafafa;
  --gray-850: #f0f0f0;
  --gray-800: #f5f5f5;
  --gray-700: #e0e0e0;
  --gray-600: #bdbdbd;
  --gray-400: #757575;
  --gray-300: #616161;
  --gray-200: #424242;
  --gray-100: #333333;
  --gray-50: #212121;

  --white: #1a1a1a;
  --cream: #242424;

  --primary: var(--brown-600);
  --secondary: var(--gray-800);
  --accent: var(--brown-500);
  --bg: #1a1a1a;
  --bg-alt: #242424;
  --text: var(--gray-900);
  --text-muted: var(--gray-850);
  --border: var(--gray-200);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.7);
}

html:has(.theme-checkbox:checked) body {
  background: #1a1a1a;
  color: #fafafa;
}

/* ===== Accessibilité ===== */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 1rem;
  padding: 0.75rem 1rem;
  background: var(--primary);
  color: var(--color-light);
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
}

:focus-visible {
  outline: 4px solid var(--primary);
  outline-offset: 4px;
  box-shadow: 0 0 0 2px var(--bg);
}

/* Screen reader only utility class */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ===== Layout ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Header ===== */
header {
  position: sticky;
  top: 0;
  background: var(--bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 60;
}

.logo-img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  background: #f5f5f5;
  padding: 0.4rem;
  border-radius: var(--radius-md);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    background-color 0.3s ease;
}

html:has(.theme-checkbox:checked) .logo-img {
  background: #3e2723;
}

.logo:hover .logo-img {
  transform: rotate(-10deg) scale(1.1);
}

.brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
}

/* Theme Toggle Button avec belle animation */
.theme-btn {
  padding: 0.625rem;
  border-radius: 50%;
  background: var(--gray-100);
  border: 2px solid var(--border);
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  z-index: 60;
  overflow: hidden;
}

.theme-btn::before {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: var(--primary);
  transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index: -1;
}

.theme-btn:hover::before {
  width: 100px;
  height: 100px;
}

.theme-btn:hover {
  border-color: var(--primary);
  transform: rotate(360deg) scale(1.1);
}

.theme-btn .sun-icon,
.theme-btn .moon-icon {
  position: absolute;
  font-size: 1.25rem;
  transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.theme-btn .sun-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.theme-btn .moon-icon {
  opacity: 0;
  transform: rotate(-180deg) scale(0);
}

html:has(.theme-checkbox:checked) .theme-btn .sun-icon {
  opacity: 0;
  transform: rotate(180deg) scale(0);
}

html:has(.theme-checkbox:checked) .theme-btn .moon-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* Item du menu pour le toggle (visible seulement sur mobile) */
.theme-toggle-item {
  display: none;
}

.theme-toggle-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 2rem;
  cursor: pointer;
  color: var(--text-muted);
  font-weight: 500;
  transition: var(--transition);
}

.theme-toggle-link .theme-icons {
  position: relative;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle-link .sun-icon,
.theme-toggle-link .moon-icon {
  font-size: 1.25rem;
  transition: all 0.3s ease;
  position: absolute;
}

.theme-toggle-link .sun-icon {
  opacity: 1;
}

.theme-toggle-link .moon-icon {
  opacity: 0;
}

html:has(.theme-checkbox:checked) .theme-toggle-link .sun-icon {
  opacity: 0;
}

html:has(.theme-checkbox:checked) .theme-toggle-link .moon-icon {
  opacity: 1;
}

/* Navigation */
nav {
  position: static;
}

.nav-list {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.nav-list a {
  padding: 0.625rem 1.25rem;
  border-radius: 999px;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background: var(--primary);
  color: var(--color-light);
  transform: translateY(-1px);
}

.menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  padding: 0.5rem;
  cursor: pointer;
  z-index: 60;
  background: var(--gray-100);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
}

.menu-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: scale(1.05);
}

.menu-btn span {
  width: 24px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 3px;
  transition: all 0.3s ease;
  position: absolute;
}

.menu-btn:hover span {
  background: var(--color-light);
}

.menu-btn span:nth-child(1) {
  top: 14px;
}

.menu-btn span:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.menu-btn span:nth-child(3) {
  bottom: 14px;
}

/* ===== Hero Section ===== */
.hero {
  background: linear-gradient(
    135deg,
    var(--cream) 0%,
    var(--bg) 50%,
    var(--brown-50) 100%
  );
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(139, 115, 85, 0.08) 0%,
    transparent 70%
  );
  border-radius: 50%;
  pointer-events: none;
  transition: opacity 0.6s ease;
}

html:has(.theme-checkbox:checked) .hero::before {
  background: radial-gradient(
    circle,
    rgba(161, 136, 127, 0.05) 0%,
    transparent 70%
  );
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.tag {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--brown-900);
  color: var(--brown-50);
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem) !important;
  line-height: 1.15;
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 2rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: var(--transition);
  text-align: center;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transition: width 0.6s ease, height 0.6s ease, top 0.6s ease, left 0.6s ease;
  transform: translate(-50%, -50%);
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--gray-900);
  color: var(--gray-50);
  box-shadow: var(--shadow-md);
  font-weight: 700;
}

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

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

.hero-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.hero-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.hero-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: var(--gray-100);
  border-radius: var(--radius-md);
}

/* ===== Sections ===== */
section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

section h2 {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  color: var(--primary);
  margin-bottom: 1rem;
  font-weight: 700;
}

/* ===== Product Grid ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.product-image {
  position: relative;
  background: var(--gray-100);
  overflow: hidden;
}

.product-image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: var(--gray-100);
  transition: var(--transition);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--brown-900);
  color: var(--brown-50);
  padding: 0.5rem 0.875rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
  z-index: 2;
  box-shadow: var(--shadow-md);
}

.product-info {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-info h3 {
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 0.625rem;
  font-weight: 700;
}

.product-info p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex: 1;
  line-height: 1.6;
}

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

html:has(.theme-checkbox:checked) .product-footer {
  border-top-color: var(--gray-800);
}

.price {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--primary);
}

.btn-add {
  padding: 0.75rem 1.5rem;
  background: var(--gray-900);
  color: var(--gray-50);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
  cursor: pointer;
  display: inline-block;
}

.btn-add:hover,
.btn-add:focus-visible {
  background: var(--primary);
  color: var(--color-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ===== About Section ===== */
.about-section {
  background: var(--bg-alt);
}

.about-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.check-list {
  margin-top: 2rem;
}

.check-list li {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
  color: var(--text-muted);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.about-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.about-card h2.aside-title,
.about-card h3 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.engagement-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.engagement-item:last-child {
  border-bottom: none;
}

.engagement-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.engagement-item strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.engagement-item p {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
}

/* ===== Contact Section ===== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h2 {
  text-align: left;
}

.contact-details {
  margin-top: 2rem;
}

.contact-item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-item strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

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

.contact-form {
  background: var(--bg-alt);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

.form-intro {
  margin-bottom: 2rem;
  padding: 1rem;
  background: var(--bg);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1rem;
  font-weight: 500;
}

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

.form-help {
  display: block;
  margin-top: 0.5rem;
  font-size: 1rem;
  color: var(--text-muted);
  font-style: italic;
  font-weight: 500;
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  background: var(--bg);
  color: var(--text);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: 4px solid var(--primary);
  outline-offset: 3px;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--bg);
}

html:has(.theme-checkbox:checked) .form-group input:focus,
html:has(.theme-checkbox:checked) .form-group textarea:focus {
  outline-color: var(--brown-600);
}

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

.btn-full {
  width: 100%;
}

/* ===== FAQ Section ===== */
.faq-section {
  background: var(--bg-alt);
}

.faq-section h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-item[open] {
  border-color: var(--primary);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  font-size: 1.1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--primary);
  font-weight: 700;
  transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-item summary:hover,
.faq-item summary:focus-visible {
  color: var(--primary);
}

.faq-item p {
  margin-top: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== Footer ===== */
footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 3rem 0 1.5rem;
}

html:has(.theme-checkbox:checked) footer {
  background: #0f0f0f;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--gray-800);
}

.footer-brand .logo {
  margin-bottom: 1rem;
}

.footer-brand .brand {
  color: var(--color-light);
}

.footer-brand p {
  color: var(--gray-400);
}

html:has(.theme-checkbox:checked) footer .footer-brand p {
  color: #d0d0d0;
}

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

.footer-col h4 {
  color: var(--color-light);
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 1rem;
}

html:has(.theme-checkbox:checked) footer .footer-col h4 {
  color: #e0e0e0;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a,
.footer-col label {
  color: var(--gray-400);
  transition: var(--transition);
  cursor: pointer;
}

html:has(.theme-checkbox:checked) footer .footer-col a,
html:has(.theme-checkbox:checked) footer .footer-col label {
  color: #d0d0d0;
}

.footer-col a:hover,
.footer-col a:focus-visible,
.footer-col label:hover,
.footer-col label:focus-visible {
  color: var(--brown-400);
  padding-left: 0.25rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: var(--gray-400);
  font-size: 1rem;
  font-weight: 500;
}

html:has(.theme-checkbox:checked) footer .footer-bottom p {
  color: #d0d0d0;
}

.back-to-top {
  color: var(--gray-400);
  font-weight: 600;
  transition: var(--transition);
}

html:has(.theme-checkbox:checked) footer .back-to-top {
  color: #d0d0d0;
}

.back-to-top:hover {
  color: var(--brown-400);
  transform: translateY(-2px);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  section {
    padding: 3rem 0;
  }

  .hero {
    padding: 3rem 0;
  }

  /* Menu mobile */
  header .container {
    padding-right: 0;
  }

  .header-content {
    gap: 0.5rem;
    padding-right: 0.5rem;
  }

  .menu-btn {
    display: flex;
    margin-right: 1rem;
    margin-left: auto;
  }

  .theme-btn {
    display: none;
  }

  .theme-toggle-item {
    display: block;
    border-top: 2px solid var(--border);
    margin-top: 1rem;
  }

  .theme-toggle-link:hover {
    background: var(--bg-alt);
    color: var(--primary);
  }

  .nav-list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: var(--bg);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.3);
    transition: right 0.3s ease;
    flex-direction: column;
    padding: 6rem 0 2rem;
    align-items: stretch;
    gap: 0;
    border-left: 2px solid var(--primary);
    overflow-y: auto;
    z-index: 55;
  }

  html:has(.theme-checkbox:checked) .nav-list {
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.8);
  }

  .menu-checkbox:checked ~ header .nav-list {
    right: 0;
  }

  html:has(.menu-checkbox:checked) .nav-list {
    right: 0;
  }

  .nav-list li {
    border-bottom: 1px solid var(--border);
  }

  .nav-list a {
    display: block;
    padding: 1.5rem 2rem;
    border-radius: 0;
    font-size: 1.125rem;
    font-weight: 600;
    position: relative;
    overflow: hidden;
  }

  .nav-list a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary);
    transform: scaleY(0);
    transition: transform 0.3s ease;
  }

  .nav-list a:hover::before {
    transform: scaleY(1);
  }

  .nav-list a:hover {
    background: var(--bg-alt);
    color: var(--primary);
    transform: translateY(0);
    padding-left: 2.5rem;
  }

  /* Animation du burger simplifiée */
  html:has(.menu-checkbox:checked) .menu-btn {
    background: var(--primary);
    border-color: var(--primary);
  }

  html:has(.menu-checkbox:checked) .menu-btn span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    background: var(--color-light);
  }

  html:has(.menu-checkbox:checked) .menu-btn span:nth-child(2) {
    opacity: 0;
  }

  html:has(.menu-checkbox:checked) .menu-btn span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
    background: var(--white);
  }

  /* Overlay amélioré quand menu ouvert */
  html:has(.menu-checkbox:checked) .nav-list::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 320px;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: -1;
    animation: fadeInOverlay 0.4s ease;
  }

  @keyframes fadeInOverlay {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }

  .product-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
  }

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

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .hero h1 {
    font-size: 1.875rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .contact-form {
    padding: 1.5rem;
  }

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

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

  .nav-list {
    width: 100%;
  }

  html:has(.menu-checkbox:checked) .nav-list::before {
    right: 100%;
    left: 0;
  }
}

/* ===== Animations ===== */
@media (prefers-reduced-motion: no-preference) {
  .product-card,
  .engagement-item,
  .faq-item {
    animation: fadeIn 0.6s ease-out;
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

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

/* ===== Modal Checkbox (hidden) ===== */
.modal-checkbox {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 1px;
  height: 1px;
  top: 0;
  left: 0;
  z-index: -1;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

/* ===== Modal Styles ===== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Show modal when corresponding checkbox is checked */
#modal-mentions-toggle:checked ~ footer ~ .modal:nth-of-type(1),
#modal-cgv-toggle:checked ~ footer ~ .modal:nth-of-type(2),
#modal-confidentialite-toggle:checked ~ footer ~ .modal:nth-of-type(3) {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  cursor: pointer;
  display: block;
}

.modal-content {
  position: relative;
  background: var(--bg);
  width: 90%;
  max-width: 800px;
  max-height: 85vh;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: modalSlideIn 0.3s ease-out;
  z-index: 10000;
}

@keyframes modalSlideIn {
  from {
    transform: translateY(-20px) scale(0.95);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.modal-content h2 {
  background: var(--primary);
  color: var(--color-light);
  padding: 1.5rem 3rem 1.5rem 2rem;
  margin: 0;
  font-size: 1.75rem;
  font-weight: 600;
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: transparent;
  border: none;
  font-size: 2rem;
  color: var(--text);
  cursor: pointer;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
  line-height: 1;
  z-index: 10001;
  text-decoration: none;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.modal-close:focus {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

.modal-body {
  padding: 2rem;
  overflow-y: auto;
  flex: 1;
}

.modal-body h3 {
  color: var(--primary);
  font-size: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.modal-body h3:first-child {
  margin-top: 0;
}

.modal-body p {
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.modal-body ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.modal-body li {
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 0.5rem;
}

.modal-body a,
.modal-body .link-label {
  color: var(--primary);
  text-decoration: underline;
  transition: var(--transition);
  cursor: pointer;
}

.modal-body a:hover,
.modal-body .link-label:hover {
  color: var(--brown-700);
}

.modal-body strong {
  color: var(--gray-900);
  font-weight: 600;
}

/* Modal responsive */
@media (max-width: 768px) {
  .modal-content {
    width: 95%;
    max-height: 90vh;
    border-radius: var(--radius-md);
  }

  .modal-content h2 {
    font-size: 1.5rem;
    padding: 1.25rem 3rem 1.25rem 1.5rem;
  }

  .modal-body {
    padding: 1.5rem;
  }

  .modal-close {
    top: 1rem;
    right: 1rem;
  }
}

/* Prevent body scroll when modal is open (checkbox approach) */
#modal-mentions-toggle:checked ~ footer,
#modal-cgv-toggle:checked ~ footer,
#modal-confidentialite-toggle:checked ~ footer {
  pointer-events: none;
}

body:has(#modal-mentions-toggle:checked),
body:has(#modal-cgv-toggle:checked),
body:has(#modal-confidentialite-toggle:checked) {
  overflow: hidden;
}

/* ===== Print styles ===== */
@media print {
  header,
  footer,
  .hero-actions,
  .btn,
  .menu-btn,
  .theme-btn,
  .modal {
    display: none;
  }

  section {
    page-break-inside: avoid;
  }
}