/* ============================================================
   CRYOLUX — Premium Ice Bath E-Commerce
   Arctic Deep Blue | Frost White | Cyan Accent
============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --arctic-deep:   #050A14;
  --arctic-dark:   #0A192F;
  --arctic-mid:    #0D2340;
  --arctic-light:  #132C52;
  --frost-white:   #F0F4F8;
  --frost-light:   #E8EEF5;
  --cyan:          #00D4FF;
  --cyan-glow:     rgba(0, 212, 255, 0.25);
  --cyan-dim:      rgba(0, 212, 255, 0.12);
  --ice-blue:      #84C8E0;
  --text-primary:  #F0F4F8;
  --text-secondary:#94A3B8;
  --text-muted:    #64748B;
  --glass-bg:      rgba(13, 35, 64, 0.55);
  --glass-border:  rgba(0, 212, 255, 0.15);
  --card-bg:       rgba(10, 25, 47, 0.8);
  --success:       #10B981;
  --warning:       #F59E0B;
  --whatsapp:      #25D366;

  --ff-heading: 'Playfair Display', Georgia, serif;
  --ff-body:    'Inter', system-ui, sans-serif;

  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  40px;

  --shadow-sm:  0 4px 20px rgba(0,0,0,0.3);
  --shadow-md:  0 8px 40px rgba(0,0,0,0.5);
  --shadow-lg:  0 20px 60px rgba(0,0,0,0.6);
  --shadow-cyan:0 0 40px rgba(0, 212, 255, 0.2);

  --transition-fast:  0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-mid:   0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:  0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--ff-body);
  background: var(--arctic-deep);
  color: var(--text-primary);
  overflow-x: hidden;
  cursor: auto;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }
input, textarea, select { font-family: inherit; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--arctic-deep); }
::-webkit-scrollbar-thumb { background: var(--cyan); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--ice-blue); }

/* ---------- Selection ---------- */
::selection { background: var(--cyan-glow); color: var(--cyan); }

/* ============================================================
   LOADER
============================================================ */
.loader {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background: var(--arctic-deep);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.loader.hidden { opacity: 0; visibility: hidden; }
.loader-inner { text-align: center; }
.loader-crystal {
  width: 60px; height: 60px; margin: 0 auto 20px;
  border: 2px solid var(--cyan-glow);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  box-shadow: 0 0 30px var(--cyan-glow);
}
.loader-text {
  font-family: var(--ff-heading);
  font-size: 1.8rem;
  letter-spacing: 0.5em;
  color: var(--cyan);
  text-transform: uppercase;
  animation: pulse 1s ease infinite alternate;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { from { opacity: 0.6; } to { opacity: 1; } }

/* ============================================================
   CUSTOM CURSOR
============================================================ */
@media (hover: hover) {
  .custom-cursor {
    position: fixed; top: 0; left: 0; z-index: 9998;
    width: 10px; height: 10px;
    background: var(--cyan);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease;
    mix-blend-mode: screen;
  }
  .cursor-follower {
    position: fixed; top: 0; left: 0; z-index: 9997;
    width: 40px; height: 40px;
    border: 1px solid rgba(0, 212, 255, 0.5);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: transform 0.15s ease, width 0.3s ease, height 0.3s ease, border-color 0.3s ease;
  }
  .cursor-follower.hovered {
    width: 60px; height: 60px;
    border-color: var(--cyan);
    background: var(--cyan-dim);
  }
}
@media (hover: none) {
  .custom-cursor, .cursor-follower { display: none !important; }
}

/* ============================================================
   CONTAINER
============================================================ */
.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ============================================================
   UTILITY CLASSES
============================================================ */
.text-accent { color: var(--cyan); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem; font-weight: 600;
  letter-spacing: 0.03em;
  transition: var(--transition-mid);
  position: relative; overflow: hidden;
  white-space: nowrap;
}
.btn::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, #00D4FF, #0084A8);
  color: var(--arctic-deep);
  box-shadow: 0 4px 20px var(--cyan-glow), inset 0 1px 0 rgba(255,255,255,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 35px rgba(0, 212, 255, 0.45);
}
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 20px var(--cyan-dim);
}
.btn-outline {
  background: transparent;
  color: var(--cyan);
  border: 1.5px solid var(--cyan);
}
.btn-outline:hover {
  background: var(--cyan-dim);
  box-shadow: var(--shadow-cyan);
}
.btn-whatsapp {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--whatsapp);
  color: white;
  border-radius: 50px;
  padding: 14px 28px;
  font-weight: 600; font-size: 0.95rem;
  transition: var(--transition-mid);
  margin-top: 24px;
}
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37,211,102,0.4); }
.btn.full-width { width: 100%; justify-content: center; }
.btn.small { padding: 10px 22px; font-size: 0.85rem; }

/* ---------- Section Header ---------- */
.section-header { text-align: center; margin-bottom: 4rem; }
.section-badge {
  display: inline-block;
  background: var(--cyan-dim);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: 6px 18px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.2rem;
}
.section-title {
  font-family: var(--ff-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--frost-white);
}
.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---------- AOS Animations ---------- */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}
[data-aos="fade-right"] { transform: translateX(-40px); }
[data-aos="fade-right"].aos-animate { transform: translateX(0); }
[data-aos="fade-left"] { transform: translateX(40px); }
[data-aos="fade-left"].aos-animate { transform: translateX(0); }
[data-aos="zoom-in"] { transform: scale(0.9); }
[data-aos="zoom-in"].aos-animate { transform: scale(1); }

/* ============================================================
   NAVBAR
============================================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 18px 0;
  transition: padding var(--transition-mid), background var(--transition-mid), backdrop-filter var(--transition-mid);
}
.navbar.scrolled {
  padding: 12px 0;
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--ff-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: var(--transition-fast);
}
.nav-logo:hover { opacity: 0.85; }
.logo-icon {
  font-size: 1.6rem;
  filter: drop-shadow(0 0 8px var(--cyan));
  animation: floatIce 4s ease-in-out infinite;
}
.logo-text { color: var(--frost-white); }
@keyframes floatIce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
.nav-links {
  display: flex; align-items: center; gap: 0.2rem;
  margin-left: auto;
}
.nav-link {
  padding: 8px 16px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute; bottom: 4px; left: 50%; right: 50%;
  height: 2px;
  background: var(--cyan);
  border-radius: 2px;
  transition: left var(--transition-fast), right var(--transition-fast);
}
.nav-link:hover { color: var(--frost-white); }
.nav-link:hover::after { left: 16px; right: 16px; }
.nav-actions {
  display: flex; align-items: center; gap: 4px;
  margin-left: 2rem;
}
.nav-icon-btn {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
}
.nav-icon-btn:hover { background: var(--cyan-dim); color: var(--cyan); }
.cart-btn { position: relative; }
.cart-count {
  position: absolute; top: 2px; right: 2px;
  width: 18px; height: 18px;
  background: var(--cyan);
  color: var(--arctic-deep);
  border-radius: 50%;
  font-size: 0.6rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  display: none;
}
.hamburger {
  display: none;
  flex-direction: column; gap: 5px; padding: 8px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================================
   HERO
============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
  padding-top: 80px;
}
.hero-bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    135deg,
    rgba(5, 10, 20, 0.92) 0%,
    rgba(10, 25, 47, 0.75) 50%,
    rgba(5, 10, 20, 0.65) 100%
  );
}

/* Particle ice effects */
.ice-particles {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
}
.ice-particle {
  position: absolute;
  color: var(--cyan);
  font-size: 1.2rem;
  opacity: 0;
  animation: floatParticle 6s ease-in-out infinite;
}
@keyframes floatParticle {
  0% { opacity: 0; transform: translateY(0) rotate(0deg); }
  20% { opacity: 0.6; }
  80% { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(-120px) rotate(360deg); }
}

.hero-content {
  position: relative; z-index: 2;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  background: rgba(0, 212, 255, 0.15);
  border: 1px solid rgba(0, 212, 255, 0.35);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
  animation: slideDown 0.8s ease 0.3s both;
}
.hero-title {
  font-family: var(--ff-heading);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--frost-white);
  margin-bottom: 1.5rem;
  animation: slideDown 0.8s ease 0.5s both;
}
.hero-title-accent {
  display: block;
  background: linear-gradient(90deg, #00D4FF, #84C8E0, #00D4FF);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 3s linear infinite;
}
@keyframes shimmer {
  from { background-position: 0% center; }
  to { background-position: 200% center; }
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 2.5rem;
  animation: slideDown 0.8s ease 0.7s both;
}
.hero-cta-group {
  display: flex; align-items: center; justify-content: center; gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
  animation: slideDown 0.8s ease 0.9s both;
}
.hero-stats {
  display: flex; align-items: center; justify-content: center; gap: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2.5rem;
  animation: slideDown 0.8s ease 1.1s both;
  width: fit-content; margin: 0 auto;
}
.stat-item { text-align: center; padding: 0 2rem; }
.stat-num {
  display: block;
  font-family: var(--ff-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}
.stat-suffix { color: var(--cyan); font-size: 2rem; font-weight: 700; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; letter-spacing: 0.05em; }
.stat-divider { width: 1px; height: 50px; background: var(--glass-border); }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.scroll-indicator {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 0.75rem; letter-spacing: 0.1em;
  animation: fadeInUp 1s ease 2s both;
}
.scroll-dot {
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  animation: scrollBounce 2s ease infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(8px); opacity: 0.4; }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* ============================================================
   TRUST BAR
============================================================ */
.trust-bar {
  padding: 3rem 0;
  background: linear-gradient(135deg, var(--arctic-dark), var(--arctic-mid));
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  overflow: hidden;
}
.trust-bar .container {
  display: flex; flex-direction: column; align-items: center; gap: 1.5rem;
}
.trust-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--text-muted); }
.trust-logos {
  display: flex; align-items: center; gap: 2.5rem;
  flex-wrap: wrap; justify-content: center;
}
.trust-logo-item {
  font-family: var(--ff-heading);
  font-size: 1.1rem; font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: var(--transition-fast);
}
.trust-logo-item:hover { color: var(--frost-white); }
.rating-strip {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.9rem; color: var(--text-secondary);
}
.stars { color: #F59E0B; font-size: 1.1rem; letter-spacing: 2px; }

/* ============================================================
   SHOP / PRODUCTS
============================================================ */
.shop {
  padding: 7rem 0;
}
.filters {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  margin-bottom: 3rem; flex-wrap: wrap;
}
.filter-btn {
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 0.88rem; font-weight: 600;
  color: var(--text-secondary);
  border: 1.5px solid var(--glass-border);
  background: transparent;
  transition: var(--transition-fast);
  letter-spacing: 0.03em;
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--cyan-dim);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 15px var(--cyan-dim);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}
.product-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-mid);
  cursor: pointer;
  position: relative;
  backdrop-filter: blur(10px);
}
.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.35);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px var(--cyan-dim);
}
.product-img-wrap {
  position: relative; overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--arctic-dark), var(--arctic-mid));
}
.product-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.product-card:hover .product-img { transform: scale(1.08); }
.product-tag {
  position: absolute; top: 16px; left: 16px;
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
}
.tag-new { background: var(--cyan); color: var(--arctic-deep); }
.tag-popular { background: var(--warning); color: var(--arctic-deep); }
.tag-sale { background: #EF4444; color: white; }
.product-wishlist {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  font-size: 1rem;
  backdrop-filter: blur(10px);
  transition: var(--transition-fast);
  opacity: 0;
  cursor: pointer;
}
.product-card:hover .product-wishlist { opacity: 1; }
.product-wishlist:hover { background: rgba(239,68,68,0.2); border-color: #EF4444; }
.product-body { padding: 1.5rem; }
.product-series { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--cyan); margin-bottom: 6px; }
.product-name { font-family: var(--ff-heading); font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; color: var(--frost-white); }
.product-specs-mini {
  display: flex; gap: 12px; margin-bottom: 1.2rem; flex-wrap: wrap;
}
.spec-mini { display: flex; align-items: center; gap: 5px; font-size: 0.78rem; color: var(--text-secondary); }
.spec-mini-icon { font-size: 0.9rem; }
.product-rating { display: flex; align-items: center; gap: 8px; margin-bottom: 1.2rem; font-size: 0.82rem; }
.product-stars { color: var(--warning); }
.product-reviews { color: var(--text-muted); }
.product-footer {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.product-price-group {}
.product-price-old { font-size: 0.85rem; color: var(--text-muted); text-decoration: line-through; display: block; }
.product-price { font-size: 1.5rem; font-weight: 700; color: var(--frost-white); }
.product-add-btn {
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #00D4FF, #0084A8);
  border-radius: 50%;
  font-size: 1.2rem;
  color: var(--arctic-deep);
  transition: var(--transition-fast);
  box-shadow: 0 4px 15px var(--cyan-glow);
}
.product-add-btn:hover { transform: scale(1.1) rotate(45deg); }

/* ============================================================
   PRODUCT HIGHLIGHT
============================================================ */
.product-highlight {
  padding: 7rem 0;
  background: linear-gradient(135deg, var(--arctic-dark) 0%, var(--arctic-deep) 100%);
}
.highlight-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}
.highlight-img-wrap {}
.highlight-img-container {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--arctic-mid), var(--arctic-dark));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg), var(--shadow-cyan);
}
.highlight-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.highlight-img-container:hover .highlight-img { transform: scale(1.05); }
.highlight-badge-float {
  position: absolute; top: 1.5rem; right: 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  border-radius: 50px;
  padding: 8px 16px;
  font-size: 0.82rem; font-weight: 600;
  color: var(--warning);
}
.product-thumbs {
  display: flex; gap: 12px; margin-top: 1.5rem;
}
.thumb {
  width: 80px; height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 2px solid var(--glass-border);
  cursor: pointer;
  transition: var(--transition-fast);
  opacity: 0.6;
}
.thumb:hover, .thumb.active { opacity: 1; border-color: var(--cyan); box-shadow: 0 0 15px var(--cyan-dim); }
.highlight-info {}
.product-badge-tag {
  display: inline-block;
  background: var(--cyan-dim);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: 5px 14px; 
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 1rem;
}
.highlight-title {
  font-family: var(--ff-heading);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700; line-height: 1.2;
  color: var(--frost-white);
  margin-bottom: 1.5rem;
}
.highlight-price-area {
  display: flex; align-items: center; gap: 14px; margin-bottom: 1.5rem;
}
.price-old { font-size: 1.1rem; color: var(--text-muted); text-decoration: line-through; }
.price-new { font-size: 2.4rem; font-weight: 700; color: var(--frost-white); }
.price-save {
  background: rgba(16,185,129,0.15);
  color: var(--success);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: 50px;
  padding: 4px 12px;
  font-size: 0.82rem; font-weight: 600;
}
.highlight-desc {
  font-size: 1rem; color: var(--text-secondary);
  line-height: 1.75; margin-bottom: 2rem;
}
.spec-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1rem; margin-bottom: 2rem;
}
.spec-item {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  transition: var(--transition-fast);
}
.spec-item:hover { border-color: var(--cyan); }
.spec-icon { font-size: 1.5rem; display: block; margin-bottom: 6px; }
.spec-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; display: block; margin-bottom: 4px; }
.spec-item strong { font-size: 0.95rem; color: var(--frost-white); }
.highlight-actions { display: flex; flex-direction: column; gap: 12px; margin-bottom: 1.5rem; }
.trust-badges {
  display: flex; flex-wrap: wrap; gap: 12px;
}
.trust-badges span { font-size: 0.8rem; color: var(--text-secondary); }

/* ============================================================
   BENEFITS
============================================================ */
.benefits {
  padding: 7rem 0;
  background: radial-gradient(ellipse at top, rgba(0,212,255,0.06) 0%, transparent 70%),
              var(--arctic-deep);
}
.benefits-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.5rem;
}
.benefit-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition-mid);
  backdrop-filter: blur(10px);
}
.benefit-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,212,255,0.3);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4), 0 0 30px var(--cyan-dim);
}
.benefit-icon-wrap {
  width: 60px; height: 60px;
  display: flex; align-items: center; justify-content: center;
  background: var(--cyan-dim);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
  transition: var(--transition-fast);
}
.benefit-card:hover .benefit-icon-wrap { background: rgba(0,212,255,0.2); transform: scale(1.1); }
.benefit-card h3 { font-size: 1.1rem; font-weight: 600; color: var(--frost-white); margin-bottom: 0.8rem; }
.benefit-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }

/* ============================================================
   SCIENCE
============================================================ */
.science-section {
  padding: 7rem 0;
  background: linear-gradient(135deg, var(--arctic-mid) 0%, var(--arctic-dark) 100%);
}
.science-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}
.science-img-wrap { position: relative; }
.science-img {
  width: 100%; border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--glass-border);
}
.science-float-card {
  position: absolute; bottom: 2rem; left: -2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.8rem;
  box-shadow: var(--shadow-md);
  min-width: 180px;
}
.science-float-num {
  display: block;
  font-family: var(--ff-heading);
  font-size: 2.5rem; font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}
.science-float-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
  display: block;
}
.science-steps { display: flex; flex-direction: column; gap: 1.5rem; margin-top: 2rem; }
.science-step {
  display: flex; gap: 1.5rem; align-items: flex-start;
  padding: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}
.science-step:hover { border-color: rgba(0,212,255,0.3); }
.step-num {
  font-family: var(--ff-heading);
  font-size: 2rem; font-weight: 700;
  color: var(--cyan); opacity: 0.6;
  line-height: 1; flex-shrink: 0;
  min-width: 44px;
}
.step-content h4 { font-size: 1rem; font-weight: 600; color: var(--frost-white); margin-bottom: 6px; }
.step-content p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; }

/* ============================================================
   COMPARISON
============================================================ */
.comparison-section {
  padding: 7rem 0;
  background: var(--arctic-deep);
}
.comparison-table-wrap { overflow-x: auto; border-radius: var(--radius-lg); -webkit-overflow-scrolling: touch; }
.comparison-table {
  width: 100%; border-collapse: collapse;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-width: 600px;
}
.comparison-table th,
.comparison-table td {
  padding: 1rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid var(--glass-border);
}
.comparison-table th {
  background: var(--arctic-mid);
  font-size: 0.9rem; font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.comparison-table td { font-size: 0.92rem; color: var(--text-secondary); }
.comparison-table td:first-child { text-align: left; color: var(--frost-white); font-weight: 500; }
.comparison-table tr:hover td { background: rgba(255,255,255,0.02); }
.popular-col {
  background: rgba(0, 212, 255, 0.05);
  border-left: 1px solid rgba(0, 212, 255, 0.2);
  border-right: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--frost-white) !important;
}
.comparison-table th.popular-col { color: var(--cyan) !important; background: rgba(0,212,255,0.1); }
.pop-tag {
  display: inline-block;
  background: var(--cyan);
  color: var(--arctic-deep);
  border-radius: 50px;
  padding: 2px 8px;
  font-size: 0.68rem; font-weight: 700;
  margin-left: 6px; letter-spacing: 0.05em;
}

/* ============================================================
   REVIEWS
============================================================ */
.reviews-section {
  padding: 7rem 0;
  background: radial-gradient(ellipse at bottom, rgba(0,212,255,0.05) 0%, transparent 70%),
              var(--arctic-dark);
}
.overall-rating {
  display: flex; align-items: center; justify-content: center; gap: 1rem;
  margin-top: 1.5rem;
  font-size: 0.9rem; color: var(--text-secondary);
}
.big-stars { color: var(--warning); font-size: 1.4rem; letter-spacing: 2px; }
.big-rating { font-family: var(--ff-heading); font-size: 2rem; font-weight: 700; color: var(--frost-white); }
.reviews-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem; margin-top: 1rem;
}
.review-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition-mid);
  backdrop-filter: blur(10px);
}
.review-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,212,255,0.25);
  box-shadow: var(--shadow-md);
}
.featured-review {
  background: linear-gradient(135deg, rgba(0,212,255,0.08), var(--card-bg));
  border-color: rgba(0, 212, 255, 0.3);
}
.review-stars { color: var(--warning); font-size: 1rem; margin-bottom: 1rem; letter-spacing: 2px; }
.review-text { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 1.5rem; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--cyan), #0084A8);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem;
  color: var(--arctic-deep); flex-shrink: 0;
}
.review-author strong { display: block; font-size: 0.95rem; color: var(--frost-white); margin-bottom: 2px; }
.review-author span { font-size: 0.78rem; color: var(--text-muted); }

/* ============================================================
   LIFESTYLE
============================================================ */
.lifestyle-section { position: relative; overflow: hidden; }
.lifestyle-img-wrap { position: relative; height: clamp(400px, 60vh, 700px); }
.lifestyle-img { width: 100%; height: 100%; object-fit: cover; }
.lifestyle-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(5,10,20,0.85) 0%, rgba(5,10,20,0.4) 100%);
}
.lifestyle-content {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: center;
  padding: 0 4rem; max-width: 700px;
}
.lifestyle-title {
  font-family: var(--ff-heading);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700; line-height: 1.1;
  color: var(--frost-white); margin-bottom: 1rem;
}
.lifestyle-content p { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 2rem; line-height: 1.7; }

/* ============================================================
   FAQ
============================================================ */
.faq-section {
  padding: 7rem 0;
  background: var(--arctic-deep);
}
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-fast);
}
.faq-item.open { border-color: rgba(0,212,255,0.3); }
.faq-question {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.5rem;
  font-size: 0.98rem; font-weight: 600;
  color: var(--frost-white);
  text-align: left;
  gap: 1rem;
  transition: var(--transition-fast);
}
.faq-question:hover { color: var(--cyan); }
.faq-arrow { flex-shrink: 0; transition: transform var(--transition-fast); color: var(--cyan); }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p { padding: 0 1.5rem 1.5rem; font-size: 0.92rem; color: var(--text-secondary); line-height: 1.75; }

/* ============================================================
   NEWSLETTER
============================================================ */
.newsletter-section { padding: 6rem 0; background: var(--arctic-dark); }
.newsletter-card {
  background: linear-gradient(135deg, rgba(0,212,255,0.1), rgba(0,212,255,0.03));
  border: 1px solid rgba(0,212,255,0.3);
  border-radius: var(--radius-xl);
  padding: 4rem;
  text-align: center;
  max-width: 700px; margin: 0 auto;
  position: relative; overflow: hidden;
  backdrop-filter: blur(20px);
}
.newsletter-card::before {
  content: '';
  position: absolute; top: -50%; left: -50%; right: -50%; bottom: -50%;
  background: radial-gradient(ellipse, rgba(0,212,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.newsletter-ice {
  font-size: 3rem;
  display: block; margin-bottom: 1rem;
  filter: drop-shadow(0 0 20px var(--cyan));
  animation: floatIce 3s ease-in-out infinite;
}
.newsletter-card h2 {
  font-family: var(--ff-heading);
  font-size: 2.2rem; font-weight: 700;
  color: var(--frost-white); margin-bottom: 1rem;
}
.newsletter-card p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 2rem; }
.newsletter-form {
  display: flex; gap: 12px; max-width: 500px; margin: 0 auto 1rem;
}
.newsletter-input {
  flex: 1;
  padding: 14px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  color: var(--frost-white);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
}
.newsletter-input::placeholder { color: var(--text-muted); }
.newsletter-input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px var(--cyan-dim); }
.newsletter-fine { font-size: 0.78rem; color: var(--text-muted); }

/* ============================================================
   CONTACT
============================================================ */
.contact-section { padding: 7rem 0; background: var(--arctic-mid); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; }
.contact-info { display: flex; flex-direction: column; gap: 0; }
.contact-item {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--glass-border);
}
.contact-icon { font-size: 1.5rem; }
.contact-item strong { display: block; color: var(--frost-white); margin-bottom: 4px; }
.contact-item p { color: var(--text-secondary); font-size: 0.92rem; }
.contact-form {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(10px);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 1rem; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); letter-spacing: 0.05em; text-transform: uppercase; }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--frost-white);
  font-size: 0.92rem;
  outline: none;
  transition: var(--transition-fast);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px var(--cyan-dim); }
.form-group select { appearance: none; cursor: pointer; }

/* ============================================================
   FOOTER
============================================================ */
.footer {
  padding: 5rem 0 2rem;
  background: var(--arctic-deep);
  border-top: 1px solid var(--glass-border);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem; margin-bottom: 4rem;
}
.footer-brand { .nav-logo { margin-bottom: 1rem; } }
.footer-tagline { font-size: 0.9rem; color: var(--text-secondary); margin: 1rem 0 1.5rem; line-height: 1.6; }
.footer-social { display: flex; gap: 12px; }
.social-link {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  transition: var(--transition-fast);
}
.social-link:hover { border-color: var(--cyan); background: var(--cyan-dim); transform: translateY(-3px); }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--frost-white); margin-bottom: 1.5rem; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col li a { font-size: 0.9rem; color: var(--text-secondary); transition: var(--transition-fast); }
.footer-col li a:hover { color: var(--cyan); padding-left: 4px; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  font-size: 0.82rem; color: var(--text-muted);
  flex-wrap: wrap; gap: 1rem;
}
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { color: var(--text-muted); transition: var(--transition-fast); }
.footer-legal a:hover { color: var(--text-primary); }
.footer-payments { display: flex; align-items: center; gap: 8px; }
.payment-icon { font-size: 1.2rem; }
.payment-text { font-size: 0.8rem; color: var(--text-muted); }

/* ============================================================
   CART DRAWER
============================================================ */
.cart-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition-mid);
}
.cart-overlay.open { opacity: 1; pointer-events: all; }
.cart-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 2001;
  width: min(420px, 100vw);
  background: var(--arctic-dark);
  border-left: 1px solid var(--glass-border);
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-mid);
  box-shadow: var(--shadow-lg);
}
.cart-drawer.open { transform: translateX(0); }
.cart-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--glass-border);
}
.cart-header h3 { font-family: var(--ff-heading); font-size: 1.3rem; color: var(--frost-white); }
.cart-close {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  font-size: 1rem; color: var(--text-secondary);
  transition: var(--transition-fast);
}
.cart-close:hover { background: var(--cyan-dim); color: var(--cyan); }
.cart-items { flex: 1; overflow-y: auto; padding: 1.5rem; }
.cart-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  height: 300px; gap: 1rem;
  font-size: 3rem;
  color: var(--text-muted);
}
.cart-empty p { font-size: 1rem; color: var(--text-muted); }
.cart-item {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 0; border-bottom: 1px solid var(--glass-border);
}
.cart-item-info { flex: 1; }
.cart-item-name { font-size: 0.95rem; color: var(--frost-white); margin-bottom: 4px; }
.cart-item-price { font-size: 0.85rem; color: var(--text-secondary); }
.cart-item-controls { display: flex; align-items: center; gap: 8px; }
.cart-qty-btn {
  width: 28px; height: 28px;
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--text-secondary);
  transition: var(--transition-fast);
}
.cart-qty-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.cart-item-qty { font-size: 0.95rem; min-width: 20px; text-align: center; }
.cart-footer {
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--glass-border);
  display: flex; flex-direction: column; gap: 1rem;
}
.cart-total {
  display: flex; justify-content: space-between;
  font-size: 1rem; color: var(--text-secondary);
}
.cart-total strong { font-size: 1.3rem; color: var(--frost-white); }
.cart-guarantee { font-size: 0.75rem; color: var(--text-muted); text-align: center; }

/* ============================================================
   SEARCH MODAL
============================================================ */
.search-modal {
  position: fixed; inset: 0; z-index: 3000;
  background: rgba(5, 10, 20, 0.95);
  backdrop-filter: blur(20px);
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 8rem;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition-fast);
}
.search-modal.open { opacity: 1; pointer-events: all; }
.search-modal-inner { width: min(700px, 90vw); }
.search-close {
  position: absolute; top: 2rem; right: 2rem;
  font-size: 1.5rem; color: var(--text-secondary);
  transition: var(--transition-fast);
}
.search-close:hover { color: var(--frost-white); }
.search-input-wrap {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 24px;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
}
#search-input {
  flex: 1;
  background: none; border: none; outline: none;
  color: var(--frost-white); font-size: 1.2rem;
}
.search-results { margin-top: 1rem; }
.search-result-item {
  padding: 1rem 1.2rem;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex; justify-content: space-between; align-items: center;
}
.search-result-item:hover { border-color: var(--cyan); background: rgba(0,212,255,0.05); }

/* ============================================================
   TOAST
============================================================ */
.toast-container {
  position: fixed; bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  z-index: 5000;
  display: flex; flex-direction: column; gap: 10px;
  align-items: center;
}
.toast {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px 24px;
  color: var(--frost-white);
  font-size: 0.9rem;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  animation: toastIn 0.4s ease, toastOut 0.4s ease 2.6s both;
  white-space: nowrap;
  min-width: 200px; text-align: center;
}
.toast.success { border-color: var(--success); box-shadow: 0 4px 20px rgba(16,185,129,0.2); }
.toast.error { border-color: #EF4444; }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(16px); }
}

/* ============================================================
   BACK TO TOP
============================================================ */
.back-to-top {
  position: fixed; bottom: 6rem; right: 2rem; z-index: 900;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  color: var(--cyan);
  font-size: 1.1rem; font-weight: 700;
  backdrop-filter: blur(20px);
  opacity: 0; pointer-events: none;
  transition: var(--transition-fast);
  box-shadow: 0 0 20px var(--cyan-dim);
}
.back-to-top.visible { opacity: 1; pointer-events: all; }
.back-to-top:hover { background: var(--cyan); color: var(--arctic-deep); transform: translateY(-4px); }

/* ============================================================
   LIVE CHAT BUBBLE
============================================================ */
.live-chat-bubble {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 900;
  display: flex; align-items: center; gap: 10px;
  background: var(--whatsapp);
  color: white; font-weight: 600; font-size: 0.88rem;
  border-radius: 50px;
  padding: 12px 20px;
  box-shadow: 0 6px 25px rgba(37,211,102,0.45);
  transition: var(--transition-mid);
  animation: pulseBubble 3s ease infinite;
}
.live-chat-bubble:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 12px 35px rgba(37,211,102,0.55);
}
@keyframes pulseBubble {
  0%, 100% { box-shadow: 0 6px 25px rgba(37,211,102,0.45); }
  50% { box-shadow: 0 6px 35px rgba(37,211,102,0.65); }
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1100px) {
  .highlight-grid,
  .science-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .science-float-card { left: 1rem; }
}
@media (max-width: 768px) {
  .nav-container { gap: 1rem; }
  .nav-links { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; flex-direction: column; align-items: center; justify-content: center; gap: 2rem; background: var(--arctic-dark); z-index: 999; opacity: 0; pointer-events: none; transition: opacity var(--transition-mid); }
  .nav-links.open { display: flex; opacity: 1; pointer-events: all; }
  .nav-link { font-size: 1.5rem; }
  .nav-actions { margin-left: auto; }
  .hamburger { display: flex; z-index: 1000; }
  .hero-stats { flex-direction: column; gap: 1.5rem; align-items: center; }
  .stat-divider { width: 60px; height: 1px; }
  .hero-cta-group { flex-direction: column; width: 100%; }
  .hero-cta-group .btn { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .lifestyle-content { padding: 0 2rem; align-items: center; text-align: center; }
  .newsletter-form { flex-direction: column; }
  .newsletter-input { border-radius: var(--radius-md); }
  .newsletter-form .btn { border-radius: var(--radius-md); }
  .comparison-table th, .comparison-table td { padding: 0.75rem; font-size: 0.8rem; }
  .chat-bubble-text { display: none; }
  .back-to-top { bottom: 6rem; right: 1rem; }
  .live-chat-bubble { right: 1rem; bottom: 1.5rem; }
}
@media (max-width: 480px) {
  .container { padding: 0 1.2rem; }
  .hero-title { font-size: clamp(2rem, 10vw, 2.8rem); }
  .hero-subtitle { font-size: 1rem; }
  .highlight-title { font-size: 1.8rem; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
  .newsletter-card { padding: 2.5rem 1.5rem; }
  .products-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .modal { padding: 1rem; }
  .modal-content { padding: 1.5rem !important; }
  .checkout-steps { margin-bottom: 2rem; }
  .form-row { gap: 1rem; }
}

/* ============================================================
   ADVANCED CHECKOUT MODAL & AUTH UI
   ============================================================ */

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(5, 10, 20, 0.85);
  z-index: 4000;
  padding: 2rem;
  overflow-y: auto;
}

.modal.open {
  display: flex;
}

.btn-auth {
  background: var(--cyan-dim);
  border: 1px solid var(--glass-border);
  color: var(--cyan) !important;
  font-weight: 700;
}

.checkout-modal .modal-content {
  max-width: 600px;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.checkout-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 3rem;
  padding: 0 1rem;
}

.checkout-step-indicator {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--arctic-light);
  border: 2px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--transition-fast);
  position: relative;
  z-index: 2;
}

.checkout-step-indicator.active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--arctic-deep);
  box-shadow: 0 0 15px var(--cyan-glow);
}

.step-connector {
  flex-grow: 1;
  height: 2px;
  background: var(--glass-border);
  margin: 0 -5px;
  z-index: 1;
}

.step-panel {
  display: none;
  animation: coFadeIn 0.4s ease;
}

.step-panel.active {
  display: block;
}

.step-panel h3 {
  font-family: var(--ff-heading);
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: var(--frost-white);
}

.checkout-form .form-group {
  margin-bottom: 1.5rem;
}

.checkout-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.checkout-form input {
  width: 100%;
  padding: 0.9rem 1.2rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--frost-white);
  outline: none;
  transition: var(--transition-fast);
}

.checkout-form input:focus {
  border-color: var(--cyan);
  background: rgba(0, 212, 255, 0.05);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.order-preview {
  background: var(--cyan-dim);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  border: 1px dashed var(--cyan);
}

.order-preview-total {
  display: flex;
  justify-content: space-between;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--glass-border);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cyan);
}

.checkout-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  gap: 15px;
}

.step-panel .note {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 1.5rem;
}

@keyframes coFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   MOBILE RESPONSIVENESS PATCHES
   ============================================================ */
@media (max-width: 768px) {
  .checkout-modal .modal-content {
    padding: 1.5rem;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
  }
  
  .checkout-steps {
    margin-bottom: 2rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .checkout-footer {
    flex-direction: column-reverse;
  }
  
  .checkout-footer button {
    width: 100%;
  }

  .admin-profile {
    display: none !important; /* Hide admin profile on mobile header to save space if needed */
  }

  .hero-title {
    font-size: 2.8rem;
  }
}

@media (max-width: 480px) {
  .checkout-modal .modal-content {
    padding: 1.2rem;
  }

  .step-panel h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
  }

  .checkout-form .form-group {
    margin-bottom: 1rem;
  }

  .checkout-form input {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }

  .order-preview {
    padding: 1rem;
    font-size: 0.85rem;
  }

  .order-preview-total {
    font-size: 1.1rem;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .benefit-card {
    padding: 1.5rem;
  }

  .science-step {
    flex-direction: column;
    gap: 0.5rem;
  }

  .step-num {
    font-size: 1.5rem;
  }
}