/* =====================================================
   TREBIO — Custom CSS
   Design System: Editorial Naturel / Luxury Clean
   ===================================================== */

:root {
  --color-bg:      #f9f6f0;
  --color-surface: #ffffff;
  --color-primary: #2d5a3d;
  --color-accent:  #c4622d;
  --color-text:    #1c1c1c;
  --color-muted:   #6b7280;
  --color-border:  #e8e0d4;
  --font-display:  'Cormorant Garamond', Georgia, serif;
  --font-body:     'DM Sans', sans-serif;
  --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Base ---- */
html { scroll-behavior: smooth; }

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

/* ---- Typography ---- */
.font-display { font-family: var(--font-display); }

/* ---- Scroll Reveal Animation ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Hero Entrance Animations ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-title    { animation: fadeUp 0.8s ease both; }
.hero-sub      { animation: fadeUp 0.8s 0.2s ease both; }
.hero-cta      { animation: fadeUp 0.8s 0.4s ease both; }

/* ---- Product Card Hover ---- */
.product-card {
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.10);
}
.product-card img {
  transition: transform 0.5s ease;
}
.product-card:hover img {
  transform: scale(1.04);
}

/* ---- Dropdown Navigation ---- */
.nav-dropdown {
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}
.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---- Mobile Menu ---- */
#mobile-menu {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
}
#mobile-menu.hidden {
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
}

/* ---- Buttons ---- */
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.8rem;
  padding: 0.85rem 2rem;
  transition: background var(--transition), transform var(--transition);
}
.btn-primary:hover {
  background: #a84e22;
  transform: translateY(-1px);
}
.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.8rem;
  padding: 0.75rem 2rem;
  transition: all var(--transition);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: white;
}

/* ---- Section divider ---- */
.divider {
  width: 48px;
  height: 2px;
  background: var(--color-accent);
  margin: 1rem 0 1.5rem;
}

/* ---- Badge bio ---- */
.badge-bio {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: #e8f4ec;
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
}

/* ---- Category card ---- */
.cat-card {
  overflow: hidden;
  position: relative;
}
.cat-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(45,90,61,0.55) 0%, transparent 60%);
  transition: opacity var(--transition);
}
.cat-card:hover::after {
  opacity: 0.85;
}
.cat-card img {
  transition: transform 0.6s ease;
}
.cat-card:hover img {
  transform: scale(1.07);
}

/* ---- Testimonial card ---- */
.testimonial-card {
  border-left: 3px solid var(--color-accent);
}

/* ---- Custom scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-muted); }

/* ---- Responsive hero height ---- */
.hero-full { min-height: calc(100svh - 72px); }

/* ---- Star rating ---- */
.stars { color: #f59e0b; }

/* ---- Article prose ---- */
.prose-trebio h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--color-primary);
  margin: 2rem 0 0.75rem;
}
.prose-trebio p {
  line-height: 1.8;
  color: #374151;
  margin-bottom: 1.2rem;
}
.prose-trebio a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---- Noise texture overlay ---- */
.noise-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}

/* ---- Form inputs ---- */
.form-input {
  border: 1px solid var(--color-border);
  background: white;
  font-family: var(--font-body);
  padding: 0.75rem 1rem;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 90, 61, 0.1);
}

/* ---- Green banner ---- */
.promo-banner {
  background: var(--color-primary);
  color: white;
}

/* ---- Trust icons row ---- */
.trust-icon {
  color: var(--color-primary);
}