/* ============================================
   Le Timatou — Styles principaux
   ============================================ */

/* --- CSS Variables --- */
:root {
  --color-primary: #4CAF50;
  --color-primary-light: #81C784;
  --color-primary-dark: #388E3C;
  --color-primary-bg: #E8F5E9;
  --color-accent: #FFF9C4;
  --color-accent-dark: #FFF176;
  --color-bg: #FAFFF5;
  --color-bg-alt: #F1F8E9;
  --color-white: #ffffff;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  --color-border: #E0E0E0;

  --font-main: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-hover: 0 4px 20px rgba(76, 175, 80, 0.2);

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --nav-height: 70px;
  --max-width: 1100px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary-dark);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--color-primary);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

/* --- Utilities --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.section {
  padding: var(--space-2xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-lg);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 2px;
  margin: var(--space-sm) auto 0;
}

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

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

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-white);
  z-index: 100;
  transition: box-shadow 0.3s ease;
}

.navbar.scrolled {
  box-shadow: var(--shadow);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
}

.nav-brand img {
  height: 45px;
  width: auto;
}

.nav-brand span {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-links a {
  font-weight: 600;
  color: var(--color-text);
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary-dark);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    z-index: 99;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
  }
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* --- Footer --- */
.footer {
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer h3 {
  color: var(--color-accent-dark);
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.footer p,
.footer li {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
  line-height: 1.8;
}

.footer a {
  color: var(--color-accent-dark);
  transition: color 0.3s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--space-md);
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer .social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  margin-top: var(--space-xs);
  transition: background 0.3s ease;
}

.footer .social-link:hover {
  background: rgba(255, 255, 255, 0.2);
}

.footer .social-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

/* --- Animations (scroll reveal) --- */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal="left"] {
  transform: translateX(-30px);
}

[data-reveal="right"] {
  transform: translateX(30px);
}

[data-reveal="scale"] {
  transform: scale(0.95);
}

[data-reveal].visible {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* Stagger delay for children */
[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal-delay="4"] { transition-delay: 0.4s; }

/* --- Collapsible --- */
.collapsible-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: none;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  cursor: pointer;
  padding: 0.5rem 0;
}

.collapsible-toggle svg {
  transition: transform 0.3s ease;
}

.collapsible-toggle.active svg {
  transform: rotate(180deg);
}

.collapsible-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
}

.collapsible-content.open {
  max-height: 2000px;
}

/* --- Table --- */
.styled-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.styled-table thead th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.9rem 1.2rem;
  font-weight: 700;
  text-align: left;
}

.styled-table tbody td {
  padding: 0.8rem 1.2rem;
  border-bottom: 1px solid var(--color-border);
}

.styled-table tbody tr:nth-child(even) {
  background: var(--color-bg-alt);
}

.styled-table tbody tr:last-child td {
  border-bottom: none;
}

.styled-table tbody tr {
  transition: background 0.2s ease;
}

.styled-table tbody tr:hover {
  background: var(--color-primary-bg);
}

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
}

/* --- Form --- */
.form-group {
  margin-bottom: var(--space-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--color-text);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  background: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.15);
}

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

.form-group .error-msg {
  color: #d32f2f;
  font-size: 0.85rem;
  margin-top: 0.25rem;
  display: none;
}

.form-group.has-error input,
.form-group.has-error textarea {
  border-color: #d32f2f;
}

.form-group.has-error .error-msg {
  display: block;
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* --- Page content offset for fixed nav --- */
.page-content {
  margin-top: var(--nav-height);
}