:root {
  --primary: #0ea5e9;       /* Sky Blue */
  --primary-dark: #0284c7;
  --primary-light: #bae6fd;
  --secondary: #10b981;     /* Emerald Green */
  --secondary-dark: #059669;
  --accent: #6366f1;        /* Indigo accent */
  --white: #ffffff;
  --bg: #f0f9ff;            /* Very light blue background */
  --bg2: #ecfdf5;           /* Very light green */
  --surface: rgba(255, 255, 255, 0.7);
  --glass: rgba(255, 255, 255, 0.25);
  --glass-border: rgba(255, 255, 255, 0.5);
  --text-dark: #0f172a;
  --text-mid: #334155;
  --text-light: #64748b;
  --shadow-sm: 0 2px 8px rgba(14, 165, 233, 0.12);
  --shadow-md: 0 8px 32px rgba(14, 165, 233, 0.18);
  --shadow-lg: 0 20px 60px rgba(14, 165, 233, 0.22);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-xl: 40px;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-dark);
  overflow-x: hidden;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

button {
  cursor: pointer;
  font-family: var(--font);
  border: none;
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #f0f9ff;
}
::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 10px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(14, 165, 233, 0.4);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--secondary-dark));
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(14, 165, 233, 0.5);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary > * {
  position: relative;
  z-index: 1;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: transparent;
  color: var(--primary);
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid var(--primary);
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(14, 165, 233, 0.3);
}

/* ---------- Section Shared Styles ---------- */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-badge {
  display: inline-block;
  padding: 5px 16px;
  background: linear-gradient(135deg, rgba(14,165,233,0.12), rgba(16,185,129,0.12));
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
  border: 1px solid rgba(14,165,233,0.2);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 14px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-light);
  max-width: 520px;
  margin: 0 auto;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 24px rgba(14, 165, 233, 0.1);
  padding: 10px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}

.nav-logo i {
  font-size: 1.6rem;
  color: var(--secondary);
  animation: heartbeat 2s ease infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14% { transform: scale(1.15); }
  28% { transform: scale(1); }
  42% { transform: scale(1.1); }
  70% { transform: scale(1); }
}

.nav-logo span {
  color: var(--text-dark);
}

.nav-logo strong {
  color: var(--primary);
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: 50px;
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--text-mid);
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  transition: width 0.3s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background: rgba(14, 165, 233, 0.08);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 50%;
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cart-btn {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(14,165,233,0.4);
  transition: var(--transition);
}

.cart-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(14,165,233,0.5);
}

.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #ef4444;
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid white;
  transition: var(--transition);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 6px;
  border-radius: 8px;
  transition: var(--transition);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.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);
}

/* ============================================================
   CART SIDEBAR
   ============================================================ */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1099;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.cart-overlay.active {
  opacity: 1;
  visibility: visible;
}

.cart-sidebar {
  position: fixed;
  top: 0;
  right: -420px;
  width: min(420px, 100vw);
  height: 100vh;
  background: white;
  z-index: 1100;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 40px rgba(0,0,0,0.15);
}

.cart-sidebar.open {
  right: 0;
}

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  border-bottom: 1px solid #e2e8f0;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
}

.cart-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.close-cart {
  background: rgba(255,255,255,0.2);
  color: white;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.close-cart:hover {
  background: rgba(255,255,255,0.35);
  transform: rotate(90deg);
}

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.empty-cart {
  text-align: center;
  color: var(--text-light);
  padding: 60px 20px;
  font-size: 0.95rem;
}

.cart-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid #f1f5f9;
}

.cart-item-img {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.5rem;
  overflow: hidden;
}

.cart-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

.cart-item-info {
  flex: 1;
}

.cart-item-info h4 {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.cart-item-price {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 700;
}

.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 6px;
}

.qty-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--text-dark);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #e2e8f0;
  transition: var(--transition);
}

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

.qty-num {
  font-weight: 700;
  font-size: 0.9rem;
  min-width: 20px;
  text-align: center;
}

.remove-item {
  background: none;
  color: #ef4444;
  font-size: 0.9rem;
  padding: 4px;
  border-radius: 6px;
  transition: var(--transition);
}

.remove-item:hover {
  background: #fef2f2;
}

.cart-footer {
  padding: 20px 24px;
  border-top: 1px solid #e2e8f0;
  background: #f8fafc;
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  font-weight: 700;
  font-size: 1.05rem;
}

#cartTotal {
  color: var(--primary);
  font-size: 1.2rem;
}

.checkout-btn {
  width: 100%;
  justify-content: center;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  gap: 48px;
  position: relative;
  overflow: hidden;
  padding: 120px max(20px, calc((100% - 1200px) / 2)) 80px;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(14,165,233,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 10% 80%, rgba(16,185,129,0.1) 0%, transparent 60%),
    linear-gradient(160deg, #f0f9ff 0%, #ecfdf5 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,165,233,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 600px;
  z-index: 2;
  position: relative;
  flex: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(16,185,129,0.1);
  color: var(--secondary-dark);
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(16,185,129,0.25);
  animation: fadeInDown 0.8s ease both;
}

.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  color: var(--text-dark);
  margin-bottom: 20px;
  animation: fadeInUp 0.9s ease 0.1s both;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
  animation: fadeInUp 0.9s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
  animation: fadeInUp 0.9s ease 0.3s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  animation: fadeInUp 0.9s ease 0.4s both;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-item strong {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item span {
  font-size: 0.78rem;
  color: var(--text-light);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: #e2e8f0;
}

/* ========== 3D Hero Bottle ========== */
.hero-3d {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 520px;
  z-index: 2;
}

.scene {
  perspective: 900px;
  perspective-origin: 50% 40%;
  width: 360px;
  height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Single animation: float + spin combined */
.bottle-wrapper {
  position: relative;
  transform-style: preserve-3d;
  animation: bottleFloatSpin 9s ease-in-out infinite;
}

/* 3D Image Card */
.med-img-card {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow:
    0 30px 80px rgba(14, 165, 233, 0.35),
    0 10px 30px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255,255,255,0.6);
  border: 2px solid rgba(14, 165, 233, 0.25);
  background: linear-gradient(135deg, rgba(14,165,233,0.08), rgba(16,185,129,0.08));
  transform-style: preserve-3d;
  backface-visibility: visible;
}

.med-hero-img {
  display: block;
  width: 320px;
  height: 400px;
  object-fit: cover;
  border-radius: 26px;
  filter: drop-shadow(0 8px 24px rgba(14,165,233,0.3));
}

.med-img-glow {
  position: absolute;
  inset: 0;
  border-radius: 26px;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.18) 0%,
    transparent 50%,
    rgba(14,165,233,0.08) 100%
  );
  pointer-events: none;
}

@keyframes bottleFloatSpin {
  0%   { transform: translateY(0px)   rotateY(0deg); }
  25%  { transform: translateY(-16px) rotateY(90deg); }
  50%  { transform: translateY(-8px)  rotateY(180deg); }
  75%  { transform: translateY(-18px) rotateY(270deg); }
  100% { transform: translateY(0px)   rotateY(360deg); }
}

/* Bottle Structure */
.bottle {
  display: flex;
  flex-direction: column;
  align-items: center;
  transform-style: preserve-3d;
}

.bottle-cap {
  width: 44px;
  height: 22px;
  background: linear-gradient(180deg, #fff 0%, #cbd5e1 100%);
  border-radius: 8px 8px 0 0;
  box-shadow: -3px 0 10px rgba(0,0,0,0.08), 3px 0 10px rgba(0,0,0,0.08), inset 0 2px 6px rgba(255,255,255,0.8);
}

.bottle-neck {
  width: 36px;
  height: 26px;
  background: linear-gradient(180deg, rgba(14,165,233,0.5), rgba(14,165,233,0.3));
  border-left: 2px solid rgba(255,255,255,0.5);
  border-right: 2px solid rgba(14,165,233,0.4);
}

.bottle-body {
  width: 100px;
  height: 180px;
  background: linear-gradient(135deg, rgba(14,165,233,0.25) 0%, rgba(14,165,233,0.5) 50%, rgba(14,165,233,0.2) 100%);
  border-radius: 12px;
  border: 2px solid rgba(14,165,233,0.35);
  backdrop-filter: blur(10px);
  box-shadow:
    inset 8px 0 20px rgba(255,255,255,0.4),
    inset -8px 0 20px rgba(14,165,233,0.2),
    0 8px 32px rgba(14,165,233,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.bottle-body::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 10px;
  width: 12px;
  height: 60%;
  background: rgba(255,255,255,0.4);
  border-radius: 6px;
  filter: blur(4px);
}

.bottle-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
  padding: 10px;
}

.label-cross {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: rgba(16,185,129,0.8);
  border-radius: 6px;
  color: white;
  font-size: 0.85rem;
  margin-bottom: 2px;
}

.label-name {
  font-size: 0.7rem;
  font-weight: 800;
  color: rgba(15,23,42,0.85);
  letter-spacing: 0.5px;
}

.label-sub {
  font-size: 0.55rem;
  color: rgba(14,165,233,0.8);
  font-weight: 500;
}

.bottle-base {
  width: 108px;
  height: 14px;
  background: linear-gradient(180deg, rgba(14,165,233,0.35), rgba(14,165,233,0.5));
  border-radius: 0 0 16px 16px;
  border: 1px solid rgba(14,165,233,0.3);
  border-top: none;
}

/* Floating Pills */
.pill {
  position: absolute;
  border-radius: 50px;
  animation: pillOrbit 8s linear infinite;
}

.pill-1 { width: 22px; height: 10px; background: linear-gradient(90deg, #0ea5e9, #38bdf8); top: 20%; left: -60px; animation-delay: 0s; animation-duration: 7s; }
.pill-2 { width: 18px; height: 8px; background: linear-gradient(90deg, #10b981, #6ee7b7); top: 60%; right: -55px; animation-delay: -2s; animation-duration: 9s; }
.pill-3 { width: 24px; height: 11px; background: linear-gradient(90deg, #8b5cf6, #c4b5fd); top: 10%; right: -50px; animation-delay: -4s; animation-duration: 6s; }
.pill-4 { width: 16px; height: 8px; background: linear-gradient(90deg, #f59e0b, #fcd34d); top: 80%; left: -50px; animation-delay: -1s; animation-duration: 8s; }
.pill-5 { width: 20px; height: 9px; background: linear-gradient(90deg, #ef4444, #fca5a5); top: 40%; left: -65px; animation-delay: -3s; animation-duration: 10s; }

@keyframes pillOrbit {
  0%  { transform: translateX(0) translateY(0) rotate(0deg); opacity: 1; }
  25% { transform: translateX(30px) translateY(-20px) rotate(90deg); opacity: 0.8; }
  50% { transform: translateX(60px) translateY(0) rotate(180deg); opacity: 1; }
  75% { transform: translateX(30px) translateY(20px) rotate(270deg); opacity: 0.8; }
  100%{ transform: translateX(0) translateY(0) rotate(360deg); opacity: 1; }
}

/* Glow Rings */
.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(14,165,233,0.2);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: ringPulse 4s ease-in-out infinite;
}

.ring-1 { width: 160px; height: 160px; animation-delay: 0s; }
.ring-2 { width: 220px; height: 220px; animation-delay: 1.3s; border-color: rgba(16,185,129,0.15); }
.ring-3 { width: 280px; height: 280px; animation-delay: 2.6s; border-color: rgba(99,102,241,0.1); }

@keyframes ringPulse {
  0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(0.95); }
  50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.05); }
}

/* Hero Particles */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.particle {
  position: absolute;
  border-radius: 50%;
  animation: particleFloat linear infinite;
  opacity: 0;
}

@keyframes particleFloat {
  0%   { transform: translateY(0) scale(0); opacity: 0; }
  10%  { opacity: 0.6; transform: translateY(-20px) scale(1); }
  90%  { opacity: 0.3; }
  100% { transform: translateY(-120px) scale(0.4); opacity: 0; }
}

/* ============================================================
   CATEGORIES SECTION
   ============================================================ */
.categories {
  padding: 100px 0;
  background: white;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.category-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 36px 24px;
  text-align: center;
  border: 2px solid #f1f5f9;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14,165,233,0.04), rgba(16,185,129,0.04));
  opacity: 0;
  transition: opacity 0.3s;
}

.category-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary-light);
  box-shadow: var(--shadow-lg);
}

.category-card:hover::before {
  opacity: 1;
}

.category-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(14,165,233,0.1), rgba(16,185,129,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--primary);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.category-card:hover .category-icon {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  transform: rotateY(180deg) scale(1.15);
  border-radius: 50%;
}

.category-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}

.category-card p {
  font-size: 0.82rem;
  color: var(--text-light);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.category-count {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 700;
  background: rgba(14,165,233,0.1);
  padding: 3px 12px;
  border-radius: 50px;
  position: relative;
  z-index: 1;
}

/* ============================================================
   PRODUCTS SECTION
   ============================================================ */
.products {
  padding: 100px 0;
  background: var(--bg);
}

/* Filter Buttons */
.filter-buttons {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 9px 22px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 600;
  background: white;
  color: var(--text-mid);
  border: 2px solid #e2e8f0;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(14,165,233,0.3);
  transform: translateY(-2px);
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* Product Card – 3D Tilt */
.product-card {
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid #e8f4f8;
  cursor: pointer;
  transition: box-shadow 0.3s, border-color 0.3s;
  transform-style: preserve-3d;
  will-change: transform;
  position: relative;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.product-card.hide {
  display: none;
}

.product-img-wrap {
  position: relative;
  height: 180px;
  background: linear-gradient(135deg, var(--bg), #e0f2fe);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-img-wrap img {
  width: 110px;
  height: 140px;
  object-fit: contain;
  transition: transform 0.4s ease;
  filter: drop-shadow(0 8px 16px rgba(14,165,233,0.2));
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.12) translateY(-6px);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-new  { background: #dcfce7; color: #15803d; }
.badge-hot  { background: #fef3c7; color: #b45309; }
.badge-sale { background: #fee2e2; color: #dc2626; }
.badge-best { background: #ede9fe; color: #7c3aed; }

.product-info {
  padding: 18px;
}

.product-category-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.product-name {
  font-size: 0.96rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-dark);
  line-height: 1.3;
}

.product-desc {
  font-size: 0.78rem;
  color: var(--text-light);
  margin-bottom: 14px;
  line-height: 1.5;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-price {
  display: flex;
  flex-direction: column;
}

.price-main {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
}

.price-original {
  font-size: 0.75rem;
  color: var(--text-light);
  text-decoration: line-through;
}

.add-cart-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(14,165,233,0.35);
}

.add-cart-btn:hover {
  transform: scale(1.2) rotate(20deg);
  box-shadow: 0 6px 20px rgba(14,165,233,0.5);
}

.add-cart-btn.added {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  animation: cartPop 0.4s ease;
}

@keyframes cartPop {
  0%  { transform: scale(1); }
  50% { transform: scale(1.4) rotate(20deg); }
  100%{ transform: scale(1.2) rotate(20deg); }
}

/* Tilt shine overlay */
.product-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.18), transparent 60%);
  border-radius: var(--radius-md);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}

.product-card:hover::after {
  opacity: 1;
}

/* ============================================================
   FEATURED PRODUCT
   ============================================================ */
.featured-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #0f172a 0%, #0c4a6e 50%, #064e3b 100%);
  position: relative;
  overflow: hidden;
}

.featured-section::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,165,233,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: 56px;
}

.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(251,191,36,0.15);
  color: #fbbf24;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 18px;
  border: 1px solid rgba(251,191,36,0.25);
}

.featured-info h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
  line-height: 1.2;
}

.featured-info p {
  color: rgba(255,255,255,0.65);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.featured-list {
  margin-bottom: 28px;
}

.featured-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.featured-list li i {
  color: var(--secondary);
  font-size: 0.9rem;
}

.featured-price {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.price-old {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.4);
  text-decoration: line-through;
}

.price-new {
  font-size: 2rem;
  font-weight: 800;
  color: white;
}

.price-badge {
  padding: 4px 12px;
  background: rgba(16,185,129,0.2);
  color: var(--secondary);
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  border: 1px solid rgba(16,185,129,0.3);
}

/* Featured 3D Bottle */
.featured-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.featured-bottle-scene {
  perspective: 1000px;
}

.featured-bottle-wrapper {
  animation: featuredSpin 10s linear infinite;
  transform-style: preserve-3d;
}

@keyframes featuredSpin {
  from { transform: rotateY(0deg) translateY(0); }
  50%  { transform: rotateY(180deg) translateY(-20px); }
  to   { transform: rotateY(360deg) translateY(0); }
}

.featured-bottle {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.fb-cap {
  width: 64px;
  height: 30px;
  background: linear-gradient(180deg, #ffffff 0%, #94a3b8 100%);
  border-radius: 12px 12px 0 0;
  box-shadow: -4px 0 12px rgba(0,0,0,0.1), 4px 0 12px rgba(0,0,0,0.1);
}

.fb-neck {
  width: 52px;
  height: 36px;
  background: linear-gradient(180deg, rgba(14,165,233,0.6), rgba(14,165,233,0.4));
  border-left: 2px solid rgba(255,255,255,0.4);
  border-right: 2px solid rgba(14,165,233,0.5);
}

.fb-body {
  width: 150px;
  height: 260px;
  background: linear-gradient(135deg, rgba(14,165,233,0.3) 0%, rgba(14,165,233,0.6) 50%, rgba(14,165,233,0.25) 100%);
  border-radius: 16px;
  border: 2px solid rgba(14,165,233,0.5);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  box-shadow:
    inset 12px 0 30px rgba(255,255,255,0.3),
    inset -12px 0 30px rgba(14,165,233,0.2),
    0 20px 60px rgba(14,165,233,0.4);
}

.fb-body::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 14px;
  width: 16px;
  height: 65%;
  background: rgba(255,255,255,0.35);
  border-radius: 8px;
  filter: blur(5px);
}

.fb-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  padding: 12px;
}

.fb-cross {
  font-size: 1.8rem;
  color: rgba(255,255,255,0.9);
  background: rgba(16,185,129,0.5);
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fb-label span {
  font-size: 0.8rem;
  font-weight: 800;
  color: rgba(255,255,255,0.95);
  line-height: 1.3;
}

.fb-label small {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
}

.fb-base {
  width: 162px;
  height: 18px;
  background: linear-gradient(180deg, rgba(14,165,233,0.5), rgba(14,165,233,0.7));
  border-radius: 0 0 20px 20px;
  border: 1px solid rgba(14,165,233,0.5);
  border-top: none;
}

.featured-glow {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 80px;
  background: radial-gradient(ellipse, rgba(14,165,233,0.35) 0%, transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}

/* ============================================================
   BENEFITS SECTION
   ============================================================ */
.benefits {
  padding: 100px 0;
  background: white;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.benefit-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-md);
  background: var(--bg);
  border: 1px solid #e8f4f8;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform 0.3s;
  transform-origin: left;
}

.benefit-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  background: white;
}

.benefit-card:hover::before {
  transform: scaleX(1);
}

.benefit-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  color: white;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(14,165,233,0.3);
}

.benefit-card:hover .benefit-icon {
  transform: rotateY(360deg) scale(1.1);
  border-radius: 50%;
}

.benefit-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.benefit-card p {
  font-size: 0.83rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about {
  padding: 100px 0;
  background: var(--bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.about-img-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, white 0%, #e0f2fe 100%);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Pill Grid Decoration */
.pill-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 20px;
}

.pg-pill {
  height: 48px;
  border-radius: 50px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
  transform: rotate(-15deg);
  transition: transform 0.4s ease;
  animation: pgFloat 4s ease-in-out infinite;
}

.pg-pill:nth-child(even) {
  animation: pgFloat2 4s ease-in-out infinite;
  animation-delay: 1s;
}

.pg-pill:hover {
  transform: rotate(0deg) scale(1.1);
}

@keyframes pgFloat {
  0%, 100% { transform: rotate(-15deg) translateY(0); }
  50%       { transform: rotate(-15deg) translateY(-8px); }
}

@keyframes pgFloat2 {
  0%, 100% { transform: rotate(15deg) translateY(0); }
  50%       { transform: rotate(15deg) translateY(-8px); }
}

.about-badge-card {
  position: absolute;
  bottom: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: white;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid #e8f4f8;
}

.about-badge-card i {
  font-size: 1.6rem;
  color: #fbbf24;
}

.about-badge-card div {
  display: flex;
  flex-direction: column;
}

.about-badge-card strong {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
}

.about-badge-card span {
  font-size: 0.75rem;
  color: var(--text-light);
}

.about-content .section-badge {
  display: inline-block;
  margin-bottom: 12px;
}

.about-content .section-title {
  margin-bottom: 18px;
}

.about-content p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 18px;
}

.about-stats {
  display: flex;
  gap: 32px;
  margin: 28px 0 32px;
  padding: 24px 0;
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
}

.as-item {
  display: flex;
  flex-direction: column;
}

.as-item strong {
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.as-item span {
  font-size: 0.78rem;
  color: var(--text-light);
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact {
  padding: 100px 0;
  background: white;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(280px, 380px) 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid #e8f4f8;
  transition: var(--transition);
}

.info-card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-sm);
  border-color: var(--primary-light);
}

.info-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(14,165,233,0.3);
}

.info-card h4 {
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.info-card p {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* Contact Form */
.contact-form {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid #e8f4f8;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-mid);
  margin-bottom: 8px;
}

.input-wrapper {
  position: relative;
}

.input-wrapper i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 0.9rem;
  pointer-events: none;
}

.textarea-wrapper i {
  top: 16px;
  transform: none;
}

.input-wrapper input,
.input-wrapper textarea {
  width: 100%;
  padding: 12px 14px 12px 40px;
  border-radius: var(--radius-sm);
  border: 2px solid #e2e8f0;
  background: white;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text-dark);
  transition: var(--transition);
  outline: none;
  resize: none;
}

.input-wrapper input:focus,
.input-wrapper textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(14,165,233,0.1);
}

.field-error {
  display: block;
  font-size: 0.76rem;
  color: #ef4444;
  margin-top: 4px;
  min-height: 16px;
}

.form-submit-btn {
  width: 100%;
  justify-content: center;
  padding: 14px;
  font-size: 1rem;
}

.form-success {
  display: none;
  text-align: center;
  padding: 14px;
  background: #dcfce7;
  color: #15803d;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  margin-top: 14px;
}

.form-success.show {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #0f172a;
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 60px;
}

.footer-brand .nav-logo {
  color: white;
  margin-bottom: 16px;
}

.footer-brand .nav-logo strong {
  color: var(--primary);
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 24px;
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-links a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.1);
}

.social-links a:hover {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(14,165,233,0.4);
}

.footer-col h4 {
  color: white;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 0.85rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a::before {
  content: '→';
  opacity: 0;
  transform: translateX(-6px);
  transition: var(--transition);
  color: var(--primary);
  font-size: 0.75rem;
}

.footer-col ul li a:hover {
  color: white;
  padding-left: 4px;
}

.footer-col ul li a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.footer-col p {
  font-size: 0.85rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.newsletter-form {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.newsletter-form input {
  flex: 1;
  padding: 11px 16px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.07);
  color: white;
  font-size: 0.85rem;
  outline: none;
  font-family: var(--font);
  transition: var(--transition);
}

.newsletter-form input::placeholder {
  color: rgba(255,255,255,0.35);
}

.newsletter-form input:focus {
  border-color: var(--primary);
  background: rgba(255,255,255,0.1);
}

.newsletter-form .btn-primary {
  padding: 11px 16px;
  border-radius: 50px;
  flex-shrink: 0;
}

.certifications {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  background: rgba(14,165,233,0.12);
  border: 1px solid rgba(14,165,233,0.25);
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  text-align: center;
  font-size: 0.82rem;
}

.footer-bottom a {
  color: var(--primary);
  transition: color 0.2s;
}

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

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(14,165,233,0.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 990;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(14,165,233,0.55);
}

/* ============================================================
   ANIMATIONS (Scroll Reveal)
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 90px;
  right: 28px;
  background: white;
  border-radius: var(--radius-md);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  border: 1px solid #e8f4f8;
  z-index: 2000;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  max-width: 320px;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.toast-text {
  display: flex;
  flex-direction: column;
}

.toast-text strong {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-dark);
}

.toast-text span {
  font-size: 0.76rem;
  color: var(--text-light);
}

/* ============================================================
   REDUCED MOTION (Accessibility)
   ============================================================ */
@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;
  }
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

/* Tablet – 1024px */
@media (max-width: 1024px) {
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-info { flex-direction: row; flex-wrap: wrap; }
  .info-card { flex: 1 1 200px; }
  .featured-card { padding: 40px; gap: 40px; }
}

/* Large Tablet – 900px */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding: 120px 20px 60px;
    gap: 60px;
  }

  .hero-content {
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-3d { min-height: 300px; }

  .about-grid { grid-template-columns: 1fr; }
  .about-img-wrapper { min-height: 280px; }

  .featured-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 36px;
  }

  .featured-visual { justify-content: center; }
  .featured-price { justify-content: center; }
  .featured-info .btn-primary { margin: 0 auto; }
}

/* Mobile – 640px */
@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-top: 1px solid #e2e8f0;
    z-index: 999;
  }

  .nav-links.open { display: flex; }

  .nav-link { width: 100%; padding: 12px 16px; }

  .hamburger { display: flex; }

  .categories-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .products-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .benefits-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .contact-form { padding: 28px 20px; }
  .featured-card { padding: 28px 20px; }

  .section-title { font-size: 1.6rem; }
  .categories { padding: 70px 0; }
  .products { padding: 70px 0; }
  .benefits { padding: 70px 0; }
  .about { padding: 70px 0; }
  .contact { padding: 70px 0; }
  .featured-section { padding: 70px 0; }
}

/* Small mobile – 400px */
@media (max-width: 400px) {
  .products-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .stat-divider { width: 40px; height: 1px; }
  .categories-grid { grid-template-columns: 1fr; }
}