/* ==========================================================================
   Plantes et Moi — Encyclopedie botanique
   style.css — Production stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colors — greens */
  --color-green-900: #1a3009;
  --color-green-800: #2d5016;
  --color-green-700: #3a6620;
  --color-green-600: #4a7c2e;
  --color-green-500: #5b9139;
  --color-green-400: #6ba34a;
  --color-green-300: #8dbd6f;
  --color-green-200: #b3d69a;
  --color-green-100: #d9ebc9;
  --color-green-50: #f0f7ec;

  /* Colors — neutrals */
  --color-white: #ffffff;
  --color-gray-50: #fafaf9;
  --color-gray-100: #f5f5f4;
  --color-gray-200: #e7e5e4;
  --color-gray-300: #d6d3d1;
  --color-gray-400: #a8a29e;
  --color-gray-500: #78716c;
  --color-gray-600: #57534e;
  --color-gray-700: #44403c;
  --color-gray-800: #292524;
  --color-gray-900: #1c1917;

  /* Colors — accents */
  --color-amber-400: #fbbf24;
  --color-amber-500: #f59e0b;
  --color-amber-600: #d97706;
  --color-amber-700: #b45309;

  /* Semantic */
  --color-primary: var(--color-green-600);
  --color-primary-dark: var(--color-green-800);
  --color-primary-light: var(--color-green-400);
  --color-accent: var(--color-amber-500);
  --color-accent-dark: var(--color-amber-700);
  --color-bg: var(--color-white);
  --color-bg-alt: var(--color-green-50);
  --color-text: var(--color-gray-800);
  --color-text-light: var(--color-gray-600);
  --color-text-inverse: var(--color-white);
  --color-border: var(--color-gray-200);
  --color-link: var(--color-green-700);
  --color-link-hover: var(--color-green-500);

  /* Typography */
  --font-sans: "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans",
    "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-serif: Georgia, Cambria, "Times New Roman", Times, serif;
  --font-mono: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  --leading-tight: 1.25;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 64px;

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08),
    0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08),
    0 4px 6px -4px rgba(0, 0, 0, 0.06);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 8px 10px -6px rgba(0, 0, 0, 0.06);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

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

html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--space-4));
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

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

a:hover,
a:focus-visible {
  color: var(--color-link-hover);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: var(--leading-tight);
  font-weight: 700;
  color: var(--color-gray-900);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

table {
  border-collapse: collapse;
  width: 100%;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-8) 0;
}

blockquote {
  border-left: 4px solid var(--color-green-300);
  padding: var(--space-4) var(--space-6);
  background: var(--color-green-50);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--space-6) 0;
  font-style: italic;
  color: var(--color-gray-700);
}

/* --------------------------------------------------------------------------
   2. Utility Classes
   -------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-8);
  }
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* --------------------------------------------------------------------------
   3. Buttons & Links
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  transition: background-color var(--transition-fast),
    color var(--transition-fast), border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

.btn-primary:hover {
  background-color: var(--color-green-700);
  color: var(--color-white);
}

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

.btn-secondary:hover {
  background-color: var(--color-green-50);
  color: var(--color-green-700);
  border-color: var(--color-green-700);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-gray-900);
}

.btn-accent:hover {
  background-color: var(--color-amber-600);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.link-arrow::after {
  content: "\2192";
  margin-left: var(--space-2);
  transition: transform var(--transition-fast);
  display: inline-block;
}

.link-arrow:hover::after {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   4. Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  height: var(--header-height);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

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

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-green-800);
  font-weight: 700;
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.site-logo img {
  height: 80px;
  width: auto;
  object-fit: contain;
}

@media (min-width: 768px) {
  .site-logo img {
    height: 100px;
  }
}

.site-logo:hover {
  color: var(--color-green-600);
}

/* Desktop navigation */
.main-nav {
  display: none;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.main-nav a {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast),
    color var(--transition-fast);
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  background-color: var(--color-green-50);
  color: var(--color-green-700);
}

.main-nav a[aria-current="page"] {
  font-weight: 600;
}

@media (min-width: 768px) {
  .main-nav {
    display: block;
  }

  .menu-toggle {
    display: none;
  }
}

/* Hamburger / mobile toggle */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.menu-toggle:hover {
  background-color: var(--color-gray-100);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-gray-700);
  position: relative;
  transition: background-color var(--transition-fast);
}

.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-gray-700);
  transition: transform var(--transition-base);
}

.menu-toggle span::before {
  top: -7px;
}

.menu-toggle span::after {
  top: 7px;
}

/* Hamburger open state */
.menu-toggle[aria-expanded="true"] span {
  background-color: transparent;
}

.menu-toggle[aria-expanded="true"] span::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile navigation panel */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-white);
  z-index: 99;
  overflow-y: auto;
  padding: var(--space-4);
  transform: translateX(100%);
  transition: transform var(--transition-base);
}

.mobile-nav.is-open {
  display: block;
  transform: translateX(0);
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-nav a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-gray-700);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.mobile-nav a:hover,
.mobile-nav a[aria-current="page"] {
  background-color: var(--color-green-50);
  color: var(--color-green-700);
}

@media (min-width: 768px) {
  .mobile-nav {
    display: none !important;
  }
}

/* --------------------------------------------------------------------------
   5. Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb {
  padding: var(--space-4) 0;
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb li + li::before {
  content: "/";
  color: var(--color-gray-400);
  font-size: var(--text-xs);
}

.breadcrumb a {
  color: var(--color-text-light);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 2px;
  transition: color var(--transition-fast),
    text-decoration-color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-primary);
  text-decoration-color: var(--color-primary);
}

.breadcrumb li:last-child {
  color: var(--color-gray-700);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   6. Hero Section (Home)
   -------------------------------------------------------------------------- */
.hero {
  background: linear-gradient(
    135deg,
    var(--color-green-800) 0%,
    var(--color-green-600) 100%
  );
  color: var(--color-white);
  padding: var(--space-16) 0;
  text-align: center;
}

.hero h1 {
  color: var(--color-white);
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.hero p {
  font-size: var(--text-lg);
  opacity: 0.9;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

.hero .btn {
  font-size: var(--text-base);
}

@media (min-width: 768px) {
  .hero {
    padding: var(--space-24) 0;
  }

  .hero h1 {
    font-size: var(--text-5xl);
  }

  .hero p {
    font-size: var(--text-xl);
  }
}

/* Category navigation grid (home) */
.category-nav {
  padding: var(--space-12) 0;
  background-color: var(--color-bg);
}

.category-nav h2 {
  text-align: center;
  margin-bottom: var(--space-8);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-6) var(--space-4);
  background-color: var(--color-green-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-green-100);
  transition: transform var(--transition-base),
    box-shadow var(--transition-base), border-color var(--transition-base);
  text-decoration: none;
  color: var(--color-text);
}

.category-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-green-300);
  color: var(--color-text);
}

.category-card .icon {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

.category-card h3 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.category-card p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

@media (min-width: 640px) {
  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .category-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }

  .category-card {
    padding: var(--space-8) var(--space-6);
  }
}

/* --------------------------------------------------------------------------
   7. Hub Pages
   -------------------------------------------------------------------------- */
.hub-page {
  padding: var(--space-8) 0 var(--space-16);
}

/* Hero images */
.plant-hero-img,
.hub-hero-img,
.guide-hero-img,
.diagnostic-hero-img {
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

.hub-intro {
  max-width: 800px;
  margin-bottom: var(--space-10);
}

.hub-intro h1 {
  margin-bottom: var(--space-4);
  color: var(--color-green-800);
}

.hub-intro p {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
}

.hub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .hub-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .hub-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Sub-hubs grid */
.sub-hubs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

@media (min-width: 640px) {
  .sub-hubs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .sub-hubs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --------------------------------------------------------------------------
   8. Plant Cards
   -------------------------------------------------------------------------- */
.plant-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base),
    box-shadow var(--transition-base);
  text-decoration: none;
  color: var(--color-text);
}

.plant-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  color: var(--color-text);
}

.plant-card .card-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--color-green-50);
}

.plant-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.plant-card .card-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background-color: var(--color-accent);
  color: var(--color-gray-900);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.plant-card .card-body {
  padding: var(--space-4) var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.plant-card .card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--color-gray-900);
}

.plant-card .card-subtitle {
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--color-text-light);
  margin-bottom: var(--space-3);
}

.plant-card .card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--leading-normal);
  margin-top: auto;
}

/* --------------------------------------------------------------------------
   9. Taxonomy Cards
   -------------------------------------------------------------------------- */
.taxonomy-card {
  display: block;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform var(--transition-base),
    box-shadow var(--transition-base), border-color var(--transition-base);
  text-decoration: none;
  color: var(--color-text);
}

.taxonomy-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-green-300);
  color: var(--color-text);
}

.taxonomy-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  color: var(--color-green-800);
}

.taxonomy-card .latin-name {
  font-style: italic;
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-3);
}

.taxonomy-card p {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.taxonomy-card .count {
  display: inline-block;
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-green-600);
  background-color: var(--color-green-50);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   10. Plant Fiche (Detail Page)
   -------------------------------------------------------------------------- */
.plant-fiche {
  padding: var(--space-8) 0 var(--space-16);
}

.plant-fiche-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .plant-fiche-layout {
    grid-template-columns: 1fr 280px;
  }
}

.plant-intro {
  margin-bottom: var(--space-8);
}

.plant-intro h1 {
  font-size: var(--text-3xl);
  color: var(--color-green-800);
  margin-bottom: var(--space-2);
}

.plant-intro .latin {
  font-style: italic;
  font-size: var(--text-xl);
  color: var(--color-text-light);
  margin-bottom: var(--space-4);
}

.plant-intro .family-badge {
  display: inline-block;
  background-color: var(--color-green-100);
  color: var(--color-green-800);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.plant-intro .description {
  font-size: var(--text-lg);
  color: var(--color-gray-700);
  line-height: var(--leading-relaxed);
}

.plant-fiche article section {
  margin-bottom: var(--space-10);
  scroll-margin-top: calc(var(--header-height) + var(--space-6));
}

.plant-fiche article section h2 {
  font-size: var(--text-2xl);
  color: var(--color-green-800);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-green-100);
}

.plant-fiche article section h3 {
  font-size: var(--text-xl);
  color: var(--color-gray-800);
  margin-bottom: var(--space-3);
  margin-top: var(--space-6);
}

.plant-fiche article p {
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

.plant-fiche article ul,
.plant-fiche article ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.plant-fiche article ul {
  list-style: disc;
}

.plant-fiche article ol {
  list-style: decimal;
}

.plant-fiche article li {
  margin-bottom: var(--space-2);
  line-height: var(--leading-normal);
}

/* --------------------------------------------------------------------------
   11. Table Traits
   -------------------------------------------------------------------------- */
.table-traits {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
}

.table-traits th,
.table-traits td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  vertical-align: top;
}

.table-traits thead th {
  background-color: var(--color-green-800);
  color: var(--color-white);
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table-traits tbody tr:nth-child(odd) {
  background-color: var(--color-green-50);
}

.table-traits tbody tr:nth-child(even) {
  background-color: var(--color-white);
}

.table-traits tbody tr:hover {
  background-color: var(--color-green-100);
}

.table-traits th:first-child {
  font-weight: 600;
  color: var(--color-gray-700);
  white-space: nowrap;
  width: 35%;
}

/* Responsive table wrapper */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-6);
  border-radius: var(--radius-md);
}

/* --------------------------------------------------------------------------
   12. Sommaire / TOC
   -------------------------------------------------------------------------- */
.sommaire {
  background-color: var(--color-green-50);
  border: 1px solid var(--color-green-100);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-8);
}

.sommaire h2,
.sommaire .sommaire-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-green-800);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sommaire-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.sommaire-toggle:hover {
  background-color: var(--color-green-200);
}

.sommaire-toggle svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-base);
}

.sommaire-toggle[aria-expanded="false"] svg {
  transform: rotate(-90deg);
}

.sommaire ol {
  counter-reset: sommaire;
  padding-left: var(--space-2);
}

.sommaire li {
  counter-increment: sommaire;
  margin-bottom: var(--space-2);
}

.sommaire li::before {
  content: counter(sommaire) ". ";
  font-weight: 600;
  color: var(--color-green-600);
  font-size: var(--text-sm);
}

.sommaire a {
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.sommaire a:hover {
  color: var(--color-green-600);
}

.sommaire-body.is-collapsed {
  display: none;
}

@media (min-width: 1024px) {
  .sommaire-toggle {
    display: none;
  }

  .sommaire-body.is-collapsed {
    display: block;
  }
}

/* Layout avec sommaire en sidebar sur desktop */
.layout-with-sommaire {
  display: block;
}

.layout-with-sommaire .sommaire {
  margin-bottom: var(--space-8);
}

@media (min-width: 1024px) {
  .layout-with-sommaire {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: var(--space-8);
    align-items: start;
  }

  .layout-with-sommaire .sommaire {
    order: 2;
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
    margin-bottom: 0;
    max-height: calc(100vh - var(--header-height) - var(--space-12));
    overflow-y: auto;
  }

  .layout-with-sommaire .layout-content {
    order: 1;
    min-width: 0;
  }
}

/* --------------------------------------------------------------------------
   13. FAQ Section
   -------------------------------------------------------------------------- */
.faq-section {
  margin: var(--space-10) 0;
}

.faq-section h2 {
  font-size: var(--text-2xl);
  color: var(--color-green-800);
  margin-bottom: var(--space-6);
}

.faq-section dl {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-section dt {
  padding: var(--space-4) var(--space-5);
  font-weight: 600;
  color: var(--color-gray-800);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-white);
  transition: background-color var(--transition-fast);
  user-select: none;
}

.faq-section dt:hover {
  background-color: var(--color-gray-50);
}

.faq-section dt::after {
  content: "+";
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-green-600);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.faq-section dt[aria-expanded="true"]::after {
  content: "\2212";
}

.faq-section dt[aria-expanded="true"] {
  background-color: var(--color-green-50);
  color: var(--color-green-800);
}

.faq-section dd {
  padding: 0 var(--space-5);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-gray-700);
  line-height: var(--leading-relaxed);
}

.faq-section dd.is-open {
  padding: var(--space-4) var(--space-5);
  max-height: 600px;
}

.faq-section dd p {
  margin-bottom: var(--space-3);
}

/* --------------------------------------------------------------------------
   14. Related Links
   -------------------------------------------------------------------------- */
.related-links {
  background-color: var(--color-green-50);
  border: 1px solid var(--color-green-100);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: var(--space-8) 0;
}

.related-links h2,
.related-links h3 {
  font-size: var(--text-lg);
  color: var(--color-green-800);
  margin-bottom: var(--space-4);
}

.related-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.related-links li {
  padding-left: var(--space-4);
  position: relative;
}

.related-links li::before {
  content: "\2192";
  position: absolute;
  left: 0;
  color: var(--color-green-400);
}

.related-links a {
  font-size: var(--text-sm);
  color: var(--color-green-700);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 2px;
}

.related-links a:hover {
  text-decoration-color: var(--color-green-400);
}

/* --------------------------------------------------------------------------
   15. Guide Pages
   -------------------------------------------------------------------------- */
.guide-page {
  padding: var(--space-8) 0 var(--space-16);
}

.guide-page h1 {
  font-size: var(--text-3xl);
  color: var(--color-green-800);
  margin-bottom: var(--space-6);
}

.guide-page article {
  max-width: 800px;
}

.guide-page article h2 {
  font-size: var(--text-2xl);
  color: var(--color-gray-900);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.guide-page article h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.guide-page article p {
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.guide-page article ul,
.guide-page article ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

.guide-page article ul { list-style: disc; }
.guide-page article ol { list-style: decimal; }

.guide-page article li {
  margin-bottom: var(--space-2);
  line-height: var(--leading-normal);
}

/* Short answer box */
.short-answer {
  background: linear-gradient(
    135deg,
    var(--color-green-50) 0%,
    var(--color-green-100) 100%
  );
  border-left: 4px solid var(--color-green-600);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-8);
  font-size: var(--text-lg);
  color: var(--color-green-900);
  line-height: var(--leading-relaxed);
}

.short-answer strong {
  color: var(--color-green-800);
}

/* --------------------------------------------------------------------------
   16. Diagnostic Pages
   -------------------------------------------------------------------------- */
.diagnostic-page {
  padding: var(--space-8) 0 var(--space-16);
}

.diagnostic-page h1 {
  font-size: var(--text-3xl);
  color: var(--color-green-800);
  margin-bottom: var(--space-4);
}

.diagnostic-page .intro {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  margin-bottom: var(--space-8);
  max-width: 800px;
}

.diagnostic-steps {
  counter-reset: steps;
}

.diagnostic-step {
  counter-increment: steps;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
  position: relative;
  padding-left: var(--space-16);
}

.diagnostic-step::before {
  content: counter(steps);
  position: absolute;
  top: var(--space-6);
  left: var(--space-6);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-green-600);
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--text-sm);
  border-radius: var(--radius-full);
}

.diagnostic-step h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.diagnostic-step p {
  color: var(--color-gray-600);
  font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   17. Glossary
   -------------------------------------------------------------------------- */
.glossary-block {
  margin-bottom: var(--space-8);
}

.glossary-letter {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-green-600);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-green-200);
  margin-bottom: var(--space-4);
}

.glossary-term {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.glossary-term:last-child {
  border-bottom: none;
}

.glossary-term dt {
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
}

.glossary-term dd {
  color: var(--color-gray-600);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  padding-left: var(--space-4);
}

/* --------------------------------------------------------------------------
   18. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-green-900);
  color: var(--color-green-200);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-col h4 {
  color: var(--color-white);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-col a {
  color: var(--color-green-200);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

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

.footer-col p {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-green-300);
}

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-green-300);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom a {
  color: var(--color-green-200);
}

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

/* --------------------------------------------------------------------------
   19. 404 Page
   -------------------------------------------------------------------------- */
.page-404 {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-20) var(--space-4);
  min-height: 60vh;
}

.page-404 h1 {
  font-size: var(--text-5xl);
  color: var(--color-green-300);
  margin-bottom: var(--space-4);
}

.page-404 h2 {
  font-size: var(--text-2xl);
  color: var(--color-gray-700);
  margin-bottom: var(--space-4);
}

.page-404 p {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  max-width: 480px;
  margin-bottom: var(--space-8);
}

/* --------------------------------------------------------------------------
   20. Main Content Area
   -------------------------------------------------------------------------- */
main {
  flex: 1;
}

.content-section {
  padding: var(--space-10) 0;
}

.content-section:nth-child(even) {
  background-color: var(--color-bg-alt);
}

.content-section h2 {
  text-align: center;
  margin-bottom: var(--space-2);
}

.content-section .section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--space-8);
  max-width: 640px;
  margin-inline: auto;
}

/* Article content */
.article-content {
  max-width: 800px;
  margin-inline: auto;
}

.article-content h2 {
  text-align: left;
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  font-size: var(--text-2xl);
  color: var(--color-green-800);
}

.article-content h3 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  font-size: var(--text-xl);
}

.article-content p {
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.article-content img {
  border-radius: var(--radius-lg);
  margin: var(--space-6) 0;
}

.article-content figure {
  margin: var(--space-8) 0;
}

.article-content figcaption {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-top: var(--space-2);
  font-style: italic;
}

/* --------------------------------------------------------------------------
   21. Images & Gallery
   -------------------------------------------------------------------------- */
.plant-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.plant-gallery .main-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.plant-gallery .main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.plant-gallery .thumbnails {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
}

.plant-gallery .thumbnails img {
  border-radius: var(--radius-md);
  aspect-ratio: 1;
  object-fit: cover;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.plant-gallery .thumbnails img:hover,
.plant-gallery .thumbnails img.is-active {
  border-color: var(--color-green-400);
}

/* --------------------------------------------------------------------------
   22. Badges & Tags
   -------------------------------------------------------------------------- */
.badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-green {
  background-color: var(--color-green-100);
  color: var(--color-green-800);
}

.badge-amber {
  background-color: #fef3c7;
  color: var(--color-amber-700);
}

.badge-gray {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

/* --------------------------------------------------------------------------
   23. Search (inline)
   -------------------------------------------------------------------------- */
.search-box {
  position: relative;
  max-width: 480px;
  margin: 0 auto var(--space-8);
}

.search-box input {
  width: 100%;
  padding: var(--space-3) var(--space-5);
  padding-left: var(--space-10);
  font-size: var(--text-base);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.search-box input:focus {
  border-color: var(--color-green-400);
  box-shadow: 0 0 0 3px rgba(107, 163, 74, 0.15);
}

.search-box .search-icon {
  position: absolute;
  top: 50%;
  left: var(--space-4);
  transform: translateY(-50%);
  color: var(--color-gray-400);
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   24. Notices & Alerts
   -------------------------------------------------------------------------- */
.notice {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.notice-info {
  background-color: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
}

.notice-warning {
  background-color: #fffbeb;
  border: 1px solid #fde68a;
  color: var(--color-amber-700);
}

.notice-success {
  background-color: var(--color-green-50);
  border: 1px solid var(--color-green-200);
  color: var(--color-green-800);
}

.notice-danger {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* --------------------------------------------------------------------------
   25. Pagination
   -------------------------------------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-10) 0;
}

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-gray-700);
  transition: background-color var(--transition-fast),
    border-color var(--transition-fast);
}

.pagination a:hover {
  background-color: var(--color-green-50);
  border-color: var(--color-green-300);
  color: var(--color-green-700);
}

.pagination .is-current {
  background-color: var(--color-green-600);
  border-color: var(--color-green-600);
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   26. Schema / Structured Content
   -------------------------------------------------------------------------- */
.info-box {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.info-box h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
  color: var(--color-green-800);
}

.key-value {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-gray-100);
  font-size: var(--text-sm);
}

.key-value:last-child {
  border-bottom: none;
}

.key-value .key {
  font-weight: 600;
  color: var(--color-gray-700);
  min-width: 120px;
  flex-shrink: 0;
}

.key-value .value {
  color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   27. Loading Skeleton
   -------------------------------------------------------------------------- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-100) 25%,
    var(--color-gray-200) 50%,
    var(--color-gray-100) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --------------------------------------------------------------------------
   28. Print Styles
   -------------------------------------------------------------------------- */
@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  .site-header,
  .site-footer,
  .mobile-nav,
  .menu-toggle,
  .sommaire-toggle,
  .pagination,
  .search-box,
  .btn {
    display: none !important;
  }

  main {
    display: block;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666 !important;
  }

  a[href^="#"]::after,
  a[href^="javascript"]::after {
    content: "";
  }

  .breadcrumb a::after {
    content: "" !important;
  }

  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
  }

  img,
  table,
  figure {
    page-break-inside: avoid;
  }

  .plant-card,
  .taxonomy-card,
  .category-card {
    break-inside: avoid;
  }

  .sommaire {
    border: 1px solid #ccc !important;
    padding: 10pt;
  }

  .sommaire-body.is-collapsed {
    display: block !important;
  }

  .faq-section dd {
    max-height: none !important;
    padding: 8pt 12pt !important;
    overflow: visible !important;
  }

  .table-traits {
    border: 1px solid #999 !important;
  }

  .table-traits th,
  .table-traits td {
    border: 1px solid #ccc !important;
    padding: 4pt 8pt;
  }

  .table-traits thead th {
    background-color: #eee !important;
    color: #000 !important;
  }

  @page {
    margin: 2cm;
  }
}

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

/* --------------------------------------------------------------------------
   30. Focus styles for accessibility
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip to content */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background-color: var(--color-green-800);
  color: var(--color-white);
  padding: var(--space-3) var(--space-5);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-weight: 600;
  z-index: 200;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  color: var(--color-white);
}