/* ===== DRIVANTA AGRO FOODS – Custom CSS ===== */

/* --- Base --- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body { font-family: 'DM Sans', sans-serif; }

/* --- Nav --- */
#navbar {
  background: transparent;
}
#navbar.scrolled {
  background: rgba(13, 43, 31, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
  padding-top: 12px;
  padding-bottom: 12px;
}
#navbar.scrolled .nav-logo-text {
  color: #FAF6EE;
}
#navbar.light-nav {
  background: rgba(250, 246, 238, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(92, 61, 46, 0.08);
}
#navbar.light-nav .nav-logo-text { color: #1B4332; }
#navbar.light-nav .nav-links .nav-link { color: #5C3D2E; }
#navbar.light-nav .nav-links .nav-link:hover { color: #1B4332; }

.nav-link {
  color: rgba(250, 246, 238, 0.75);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: #F4A614;
  transition: width 0.25s ease;
}
.nav-link:hover { color: #FAF6EE; }
.nav-link:hover::after { width: 100%; }

/* --- Sun Ray Signature Motif --- */
.sun-rays {
  background: radial-gradient(ellipse at 60% 50%, rgba(244, 166, 20, 0.06) 0%, transparent 70%);
}
.sun-rays::before {
  content: '';
  position: absolute;
  top: 50%;
  right: 10%;
  width: 600px;
  height: 600px;
  transform: translate(30%, -50%);
  background: repeating-conic-gradient(
    from 0deg at 50% 50%,
    rgba(244, 166, 20, 0.04) 0deg,
    transparent 2deg,
    transparent 18deg,
    rgba(244, 166, 20, 0.04) 20deg
  );
  border-radius: 50%;
  animation: slowSpin 60s linear infinite;
}

@keyframes slowSpin {
  to { transform: translate(30%, -50%) rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .sun-rays::before { animation: none; }
}

/* --- Scroll Cue --- */
.scroll-cue { animation: bounceDown 2s ease-in-out infinite; }
@keyframes bounceDown {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}
.scroll-dot { animation: scrollDot 2s ease-in-out infinite; }
@keyframes scrollDot {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* --- Why Cards --- */
.why-card {
  background: #FAF6EE;
  border: 1px solid rgba(92, 61, 46, 0.1);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.3s ease;
  cursor: default;
}
.why-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(27, 67, 50, 0.08);
  border-color: rgba(27, 67, 50, 0.15);
}

/* --- Product Swiper --- */
.products-swiper .swiper-slide {
  height: auto;
}
.product-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.product-card:hover {
  border-color: rgba(244, 166, 20, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}
.product-emoji {
  font-size: 3rem;
  display: block;
  margin-bottom: 1rem;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}

/* --- Tabs --- */
.tab-btn {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(250,246,238,0.6);
  cursor: pointer;
}
.tab-btn:hover {
  background: rgba(255,255,255,0.1);
  color: #FAF6EE;
}
.active-tab {
  background: #F4A614 !important;
  border-color: #F4A614 !important;
  color: #1B4332 !important;
  font-weight: 600;
}

/* --- Swiper Pagination --- */
.swiper-pagination-bullet {
  background: rgba(250,246,238,0.3);
  opacity: 1;
  width: 6px;
  height: 6px;
}
.swiper-pagination-bullet-active {
  background: #F4A614;
  width: 20px;
  border-radius: 3px;
  transition: width 0.3s;
}

/* --- Gallery Grid --- */
.gallery-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.75rem;
  transition: all 0.3s ease;
}
.gallery-item:hover {
  border-color: rgba(244,166,20,0.4);
  transform: scale(1.02);
  box-shadow: 0 12px 32px rgba(0,0,0,0.25);
}
.gallery-item .gallery-emoji { font-size: 2.5rem; }
.gallery-item .gallery-label { font-size: 0.75rem; color: rgba(250,246,238,0.6); font-family: 'DM Sans', sans-serif; }

/* Span a tall item */
.gallery-grid .tall { grid-row: span 2; aspect-ratio: auto; min-height: 280px; }

/* --- Lightbox --- */
#lightbox { display: none; }
#lightbox.active { display: flex; }
.lightbox-inner {
  background: #1B4332;
  border-radius: 24px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.lightbox-inner .lb-emoji { font-size: 6rem; }
.lightbox-inner .lb-title { color: #FAF6EE; font-family: 'Playfair Display', serif; font-size: 1.5rem; }
.lightbox-inner .lb-desc { color: rgba(250,246,238,0.5); font-size: 0.875rem; text-align: center; max-width: 300px; }

/* --- Contact Form --- */
.form-input {
  appearance: none;
  background: white;
}
.form-input:focus { border-color: #1B4332; }
.form-input.error-field { border-color: #ef4444 !important; }

/* --- Packaging Card Hover --- */
.packaging-card:hover { transform: translateY(-3px); }

/* --- Scroll to Top --- */
#scroll-top.visible {
  opacity: 1;
  pointer-events: all;
}

/* --- About Visual --- */
.about-visual {
  background: linear-gradient(135deg, #1B4332 0%, #0D2B1F 100%);
}

/* --- Stat Cards --- */
.stat-card {
  transition: all 0.3s ease;
}
.stat-card:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

/* --- Mobile Menu Links --- */
.mobile-link { transition: color 0.2s; }
.mobile-link:hover { color: #F4A614; }

/* --- Footer Socials --- */
.social-icon:hover { transform: translateY(-2px); }

/* --- Responsive Tweaks --- */
@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .gallery-grid .tall { grid-row: span 1; aspect-ratio: 1; min-height: auto; }
}

@media (max-width: 480px) {
  .sun-rays::before { width: 300px; height: 300px; right: -10%; }
}

/* --- Print/A11y --- */
@media (prefers-reduced-motion: reduce) {
  .why-card, .product-card, .packaging-card, .gallery-item, .stat-card { transition: none; }
  .scroll-cue, .scroll-dot { animation: none; }
}