/* ════════════════════════════════════════
   HERBARIUM — style.css
   Encyclopédie botanique
════════════════════════════════════════ */

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

/* ── VARIABLES ── */
:root {
  --parch: #f4ecd5;
  --parch-dark: #e6d6aa;
  --ink: #1e1208;
  --ink-light: #4a3320;
  --ink-muted: #7a5c38;
  --accent: #3d6b4a;
  --accent-dark: #264433;
  --accent-light: #cfe0d5;
  --danger: #7a1c1c;
  --danger-light: #f0dada;
  --gold: #8f6820;
  --gold-light: #edddb0;
  --border: rgba(74, 51, 32, 0.2);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'EB Garamond', Georgia, serif;
  background: var(--parch);
  color: var(--ink);
}

/* ══════════════════════════════════
   NAVIGATION
══════════════════════════════════ */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 3rem;
  border-bottom: 1px solid var(--border);
  background: rgba(244, 236, 213, 0.92);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 200;
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.45rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav-logo em {
  color: var(--accent);
  font-style: italic;
}

.nav-links {
  display: flex;
  gap: 1.6rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.92rem;
  color: var(--ink-light);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

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

/* ══════════════════════════════════
   HERO
══════════════════════════════════ */
.hero {
  text-align: center;
  padding: 5.5rem 2rem 4rem;
  background:
    radial-gradient(ellipse at 15% 85%, rgba(61, 107, 74, 0.07) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 15%, rgba(143, 104, 32, 0.06) 0%, transparent 55%);
}

.hero-tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold-light);
  padding: 0.3rem 1rem;
  margin-bottom: 1.8rem;
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3rem, 7.5vw, 5.5rem);
  font-weight: 600;
  line-height: 1.08;
  color: var(--ink);
}

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

.hero p {
  margin: 1.4rem auto 0;
  max-width: 500px;
  font-size: 1.12rem;
  color: var(--ink-muted);
  font-style: italic;
  line-height: 1.65;
}

.ornament {
  margin: 2.2rem auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  color: var(--gold);
  opacity: 0.55;
}

.ornament::before,
.ornament::after {
  content: '';
  display: block;
  width: 60px;
  height: 1px;
  background: var(--gold);
}

/* ══════════════════════════════════
   BARRE DE RECHERCHE
══════════════════════════════════ */
.search-wrap {
  max-width: 580px;
  margin: 0 auto 1.5rem;
  padding: 0 1.5rem;
  display: flex;
  border: 1px solid var(--border);
  background: #fff9ee;
  box-shadow: 0 2px 16px rgba(30, 18, 8, 0.07), inset 0 1px 2px rgba(30, 18, 8, 0.04);
}

.search-wrap input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0.95rem 0.8rem;
  font-family: 'EB Garamond', serif;
  font-size: 1.05rem;
  color: var(--ink);
  outline: none;
}

.search-wrap input::placeholder {
  color: var(--ink-muted);
  font-style: italic;
}

.search-wrap button {
  background: var(--accent);
  border: none;
  color: #f4ecec;
  padding: 0 1.6rem;
  font-family: 'EB Garamond', serif;
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background 0.2s;
}

.search-wrap button:hover {
  background: var(--accent-dark);
}

/* ══════════════════════════════════
   BANDES PARALLAX
══════════════════════════════════ */
.parallax-band {
  position: relative;
  height: 420px;
  overflow: hidden;
}

.parallax-band .band-bg {
  position: absolute;
  inset: -80px 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed; /* effet parallax */
  filter: brightness(0.7) saturate(0.82) sepia(0.28);
  transition: filter 0.3s;
}

.parallax-band:hover .band-bg {
  filter: brightness(0.78) saturate(0.9) sepia(0.18);
}

.band-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(30, 18, 8, 0.38) 0%,
    rgba(30, 18, 8, 0.12) 40%,
    rgba(30, 18, 8, 0.12) 60%,
    rgba(30, 18, 8, 0.42) 100%
  );
}

/* Overlay rouge pour la section toxiques */
.band-overlay--danger {
  background: linear-gradient(
    to bottom,
    rgba(80, 8, 8, 0.55) 0%,
    rgba(50, 5, 5, 0.28) 50%,
    rgba(80, 8, 8, 0.60) 100%
  );
}

.band-label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #f4eccc;
  padding: 2rem;
}

.band-num {
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 0.6rem;
}

.band-label h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  font-style: italic;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.band-line {
  width: 50px;
  height: 1px;
  background: rgba(244, 236, 204, 0.5);
  margin: 1rem auto;
}

.band-label p {
  font-size: 1rem;
  font-style: italic;
  opacity: 0.82;
  max-width: 420px;
  line-height: 1.55;
}

/* ── Images des bandes (remplacez les URLs par vos propres photos) ── */
.band-tisanes .band-bg {
  background-image: url('/images/the_band.jpg');
}
.band-remedes .band-bg {
  background-image: url('/images/remede_band.png');
  background-position: center 65%;
}
.band-culinaires .band-bg {
  background-image: url('/images/culinaire_band.jpg');
}
.band-toxiques .band-bg {
  background-image: url('/images/toxique_band.jpg');
}
.band-cosmetiques .band-bg {
  background-image: url('/images/cosmetique_band.jpg');
}

/* ══════════════════════════════════
   SECTIONS CATÉGORIES
══════════════════════════════════ */
.cat-section {
  background: var(--parch);
  padding: 4.5rem 2rem;
  position: relative;
}

.cat-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%234a3320' fill-opacity='0.025'%3E%3Cpath d='M30 5 Q35 20 30 35 Q25 20 30 5Z'/%3E%3Cpath d='M10 30 Q25 25 40 30 Q25 35 10 30Z'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.cat-inner {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 3rem;
  align-items: start;
}

/* Disposition alternée (icône à droite) */
.cat-inner.reverse {
  grid-template-columns: 1fr 140px;
}

.cat-inner.reverse .cat-aside {
  order: 2;
}

.cat-inner.reverse .cat-content {
  order: 1;
}

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

.cat-icon-wrap {
  width: 90px;
  height: 90px;
  margin: 0 auto 1rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background: #fff9ee;
  box-shadow: 0 2px 12px rgba(30, 18, 8, 0.06);
}

.cat-stat {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  text-transform: uppercase;
}

.cat-stat strong {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  color: var(--ink);
  letter-spacing: 0;
  font-weight: 600;
}

.cat-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.7rem;
}

.cat-content h3 {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.cat-content p {
  font-size: 1.05rem;
  color: var(--ink-light);
  line-height: 1.75;
  margin-bottom: 0.8rem;
}

.plant-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.4rem;
}

.pill {
  font-size: 0.84rem;
  padding: 0.3rem 0.9rem;
  border: 1px solid var(--border);
  color: var(--ink-light);
  background: #fff9ee;
  font-style: italic;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  text-decoration: none;
}

.pill:hover {
  background: var(--accent);
  color: #f4eccc;
  border-color: var(--accent);
}

.pill.danger:hover {
  background: var(--danger);
  color: #f4eccc;
  border-color: var(--danger);
}

.btn-see-all {
  display: inline-block;
  margin-top: 1.6rem;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-light);
  padding-bottom: 0.15rem;
  transition: border-color 0.2s, color 0.2s;
}

.btn-see-all:hover {
  color: var(--accent-dark);
  border-color: var(--accent);
}

.btn-see-all.danger {
  color: var(--danger);
  border-color: var(--danger-light);
}

.btn-see-all.danger:hover {
  border-color: var(--danger);
}

/* ── Section toxiques (fond sombre) ── */
.cat-section.dark-bg {
  background: #19100a;
}

.cat-section.dark-bg .cat-content h3 {
  color: #f0e6cc;
}

.cat-section.dark-bg .cat-stat {
  color: #7a5540;
}

.cat-section.dark-bg .cat-stat strong {
  color: #d08060;
}

.cat-section.dark-bg .cat-content p {
  color: #a07858;
}

.cat-section.dark-bg .cat-tag {
  color: #c09858;
}

.cat-section.dark-bg .pill {
  background: #2a1508;
  border-color: rgba(180, 120, 60, 0.2);
  color: #b08860;
}

.cat-section.dark-bg .pill.danger:hover {
  background: var(--danger);
  color: #f4eccc;
  border-color: var(--danger);
}

.cat-section.dark-bg .cat-icon-wrap {
  background: #2a1508;
  border-color: rgba(180, 120, 60, 0.25);
}

.cat-section.dark-bg::before {
  opacity: 0;
}

/* ══════════════════════════════════
   SECTION PLANTES À DÉCOUVRIR
══════════════════════════════════ */
.featured-section {
  padding: 4rem 2rem 5rem;
  background: #fff9ee;
  border-top: 1px solid var(--border);
}

.section-header {
  text-align: center;
  margin-bottom: 2.8rem;
}

.section-label {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  color: var(--ink);
}


.plant-card {
  border: 1px solid var(--border);
  background: var(--parch);
  overflow: hidden;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.22s, box-shadow 0.22s;
  display: flex;
  flex-direction: column;
}

.plant-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(30, 18, 8, 0.12);
}

.plant-thumb {
  height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: var(--parch-dark);
  position: relative;
}

.plant-thumb--danger {
  background: #e8d5d5;
}

.tox-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
}

.tox-badge.safe {
  background: var(--accent-light);
  color: var(--accent-dark);
}

.tox-badge.toxic {
  background: var(--danger-light);
  color: var(--danger);
}

.plant-body {
  padding: 1.2rem 1.3rem;
  flex: 1;
}

.plant-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.18rem;
  margin-bottom: 0.15rem;
}

.plant-latin {
  font-style: italic;
  font-size: 0.84rem;
  color: var(--ink-muted);
  margin-bottom: 0.75rem;
}

.plant-desc {
  font-size: 0.92rem;
  color: var(--ink-light);
  line-height: 1.55;
}

.plant-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.tag {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.17rem 0.5rem;
  background: var(--parch-dark);
  color: var(--ink-muted);
}

/* ══════════════════════════════════
   SLIDER PLANTES À DÉCOUVRIR
══════════════════════════════════ */
.slider-wrap {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  max-width: 1125px;
  margin: 0 auto;
  padding: 0 1rem;
}

.slider-viewport {
  overflow: hidden;
  flex: 1;
}

.plant-grid {
  display: flex !important;
  gap: 1.5rem;
  transition: transform 0.4s cubic-bezier(.4,0,.2,1);
  will-change: transform;
}

.plant-grid .plant-card {
  min-width: 300px;
  max-width: 300px;
  flex-shrink: 0;
}

button.slider-arrow {
  background: #fff9ee;
  border: 1px solid var(--border);
  color: var(--accent);
  width: 52px;
  height: 52px;
  font-size: 1.4rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
}

button.slider-arrow:hover {
  background: var(--accent);
  color: #f4eccc;
  border-color: var(--accent);
}

button.slider-arrow:disabled {
  opacity: 0.25;
  cursor: default;
  pointer-events: none;
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.slider-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--border);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  padding: 0;
}

.slider-dot.active {
  background: var(--accent);
  transform: scale(1.35);
}

@media (max-width: 700px) {
  .plant-grid .plant-card {
    min-width: 100%;
    max-width: 100%;
  }
  button.slider-arrow {
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }
}

/* ══ FIX MOBILE ══ */
html {
  overflow-x: hidden;
}

@media (max-width: 768px) {
  .search-wrap {
    max-width: 100%;
    margin: 0 1rem 1.5rem;
    padding: 0 1rem;
  }
  .hero {
    padding: 3rem 1.2rem 2.5rem;
  }
  .hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }
  .slider-wrap {
    padding: 0 0.5rem;
  }
}

/* ══════════════════════════════════
   FOOTER
══════════════════════════════════ */
footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 2.5rem 2rem;
  font-size: 0.85rem;
  color: var(--ink-muted);
  font-style: italic;
  background: var(--parch);
}

footer strong {
  font-family: 'Playfair Display', serif;
  color: var(--ink-light);
  font-style: normal;
}

/* ══════════════════════════════════
   RESPONSIVE MOBILE
══════════════════════════════════ */
@media (max-width: 700px) {
  html, body {
    overflow-x: hidden;
  }

  nav {
    padding: 1rem 1.4rem;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    align-items: center;
  }

  .nav-logo {
    flex: 1;
  }

  .hamburger {
    display: flex !important;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    width: 100%;
    background: rgba(244, 236, 213, 0.98);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0 1rem;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: max-height 0.4s ease, opacity 0.35s ease, transform 0.35s ease;
    display: flex;
    z-index: 199;
    box-shadow: 0 8px 20px rgba(30,18,8,0.1);
  }

  .nav-links.open {
    max-height: 400px;
    opacity: 1;
    transform: translateY(0);
  }

  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: 0.75rem 1.4rem;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border);
    letter-spacing: 0.04em;
  }

  .nav-links li:last-child a { border-bottom: none; }

  .hero h1 { font-size: clamp(2rem, 8vw, 3rem); }
  .hero { padding: 3rem 1.2rem 2.5rem; }

  .search-wrap {
    width: 100%;
    max-width: 100%;
    margin: 0 0 1.5rem;
    padding: 0;
    box-sizing: border-box;
  }

  .search-wrap input { min-width: 0; }

  .search-wrap button {
    padding: 0 0.8rem;
    font-size: 0.8rem;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .cat-inner,
  .cat-inner.reverse { grid-template-columns: 1fr; }

  .cat-inner.reverse .cat-aside,
  .cat-inner.reverse .cat-content { order: 0; }

  .parallax-band { height: 300px; }
  .parallax-band .band-bg { background-attachment: scroll; }
}

/* ══════════════════════════════════
   BOUTON HAMBURGER (caché sur desktop)
══════════════════════════════════ */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}