/* ============================================
   ONVOIPTELECOM LTD — Global Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

:root {
  --navy: #0a0f1e;
  --navy-mid: #0f1829;
  --navy-light: #1a2540;
  --electric: #00d4ff;
  --electric-dim: #00a8cc;
  --signal: #0066ff;
  --signal-bright: #3d8bff;
  --amber: #ffaa00;
  --white: #f0f4ff;
  --white-dim: #a8b8d8;
  --white-faint: #4a5a7a;
  --surface: rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.08);
  --border: rgba(0,212,255,0.15);
  --border-strong: rgba(0,212,255,0.35);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --glow: 0 0 40px rgba(0,212,255,0.15);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--navy);
  color: var(--white);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Noise overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.6;
}

h1, h2, h3, h4, h5 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Container ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Grid utility ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(10,15,30,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--white);
  text-transform: uppercase;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--electric), var(--signal));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white-dim);
  letter-spacing: 0.03em;
  transition: color var(--transition);
  position: relative;
}

.nav-links a:hover, .nav-links a.active { color: var(--electric); }

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--electric);
  transition: width var(--transition);
}

.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

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

.cart-btn {
  position: relative;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white-dim);
  font-size: 18px;
  transition: var(--transition);
  cursor: pointer;
}

.cart-btn:hover {
  border-color: var(--electric);
  color: var(--electric);
  background: rgba(0,212,255,0.08);
}

.cart-count {
  position: absolute;
  top: -6px; right: -6px;
  background: var(--electric);
  color: var(--navy);
  font-size: 10px;
  font-weight: 700;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  cursor: pointer;
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--electric), var(--signal));
  color: var(--navy);
  box-shadow: 0 4px 20px rgba(0,212,255,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,212,255,0.45);
}

.btn-secondary {
  background: var(--surface);
  color: var(--white);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--electric);
  color: var(--electric);
}

.btn-outline {
  background: transparent;
  color: var(--electric);
  border: 1px solid var(--electric);
}

.btn-outline:hover {
  background: var(--electric);
  color: var(--navy);
}

.btn-sm { padding: 10px 20px; font-size: 0.8rem; }
.btn-lg { padding: 18px 40px; font-size: 1rem; }

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(0,102,255,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(0,212,255,0.08) 0%, transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-mid) 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0,212,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-content {
  position: relative;
  max-width: 760px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,212,255,0.08);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 28px;
}

.hero-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--electric);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.05;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--electric), var(--signal-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--white-dim);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 560px;
  font-weight: 300;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 72px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.hero-stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--electric), var(--signal-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--white-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section { padding: 100px 0; }
.section-sm { padding: 60px 0; }

.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1rem;
  color: var(--white-dim);
  max-width: 560px;
  line-height: 1.7;
  font-weight: 300;
}

.section-header { margin-bottom: 60px; }
.section-header.centered { text-align: center; }
.section-header.centered .section-desc { margin: 0 auto; }

/* ============================================
   FEATURE CARDS
   ============================================ */
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--electric), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}

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

.feature-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(0,102,255,0.15));
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}

.feature-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--white-dim);
  line-height: 1.65;
}

/* ============================================
   PRODUCT CARDS
   ============================================ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-6px);
  box-shadow: var(--shadow), var(--glow);
}

.product-img {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--navy-light), var(--navy-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--electric);
  color: var(--navy);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  font-family: 'Syne', sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.product-info {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-category {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--electric);
  font-weight: 500;
  margin-bottom: 8px;
}

.product-name {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}

.product-desc {
  font-size: 0.85rem;
  color: var(--white-dim);
  line-height: 1.55;
  flex: 1;
  margin-bottom: 16px;
}

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

.product-price {
  font-family: 'Syne', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--electric);
}

.add-to-cart-btn {
  background: linear-gradient(135deg, var(--electric), var(--signal));
  color: var(--navy);
  border: none;
  border-radius: 8px;
  padding: 9px 18px;
  font-family: 'Syne', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
}

.add-to-cart-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(0,212,255,0.35);
}

/* ============================================
   SKELETON LOADERS
   ============================================ */
@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--navy-light) 25%, var(--navy-mid) 50%, var(--navy-light) 75%);
  background-size: 1000px 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

.skeleton-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.skeleton-img { height: 200px; }
.skeleton-line { height: 14px; margin: 8px 20px; border-radius: 4px; }
.skeleton-line.short { width: 60%; }
.skeleton-line.medium { width: 80%; }
.skeleton-price { height: 22px; width: 80px; margin: 16px 20px; }

/* ============================================
   HOW IT WORKS
   ============================================ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }

.steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(12.5%);
  right: calc(12.5%);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), var(--electric), var(--border-strong), transparent);
}

.step {
  text-align: center;
  padding: 0 24px;
  position: relative;
}

.step-number {
  width: 72px; height: 72px;
  background: var(--navy-light);
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--electric);
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.step:hover .step-number {
  background: linear-gradient(135deg, var(--electric), var(--signal));
  color: var(--navy);
  border-color: transparent;
  box-shadow: 0 0 30px rgba(0,212,255,0.3);
}

.step-title {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-desc { font-size: 0.875rem; color: var(--white-dim); line-height: 1.6; }

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
  color: var(--amber);
  font-size: 14px;
}

.testimonial-text {
  font-size: 0.925rem;
  color: var(--white-dim);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
  font-weight: 300;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--electric), var(--signal));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--navy);
  flex-shrink: 0;
}

.testimonial-name {
  font-family: 'Syne', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
}

.testimonial-role { font-size: 0.78rem; color: var(--white-faint); }

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--navy-light), var(--navy-mid));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,212,255,0.12), transparent 70%);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,102,255,0.1), transparent 70%);
  pointer-events: none;
}

.cta-banner h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 16px;
}

.cta-banner p {
  color: var(--white-dim);
  margin-bottom: 36px;
  font-size: 1rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand-desc {
  font-size: 0.875rem;
  color: var(--white-faint);
  line-height: 1.7;
  margin: 16px 0 24px;
  font-weight: 300;
}

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

.social-btn {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--white-dim);
  transition: var(--transition);
}

.social-btn:hover {
  border-color: var(--electric);
  color: var(--electric);
  background: rgba(0,212,255,0.08);
}

.footer-col-title {
  font-family: 'Syne', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.footer-links a {
  font-size: 0.875rem;
  color: var(--white-faint);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--electric); }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--white-faint);
  margin-bottom: 10px;
}

.footer-contact-item span:first-child { color: var(--electric); flex-shrink: 0; }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p { font-size: 0.8rem; color: var(--white-faint); }

.footer-bottom-links { display: flex; gap: 24px; }

.footer-bottom-links a {
  font-size: 0.8rem;
  color: var(--white-faint);
  transition: color var(--transition);
}

.footer-bottom-links a:hover { color: var(--electric); }

/* ============================================
   CART DRAWER
   ============================================ */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.cart-overlay.open { opacity: 1; pointer-events: all; }

.cart-drawer {
  position: fixed;
  top: 0; right: -480px;
  width: 100%;
  max-width: 460px;
  height: 100vh;
  background: var(--navy-mid);
  border-left: 1px solid var(--border);
  z-index: 2001;
  display: flex;
  flex-direction: column;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  border-bottom: 1px solid var(--border);
}

.cart-header h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}

.cart-close {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white-dim);
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition);
}

.cart-close:hover {
  border-color: var(--electric);
  color: var(--electric);
}

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.cart-item {
  display: flex;
  gap: 14px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  transition: var(--transition);
}

.cart-item:hover { border-color: var(--border-strong); }

.cart-item-img {
  width: 64px; height: 64px;
  border-radius: 8px;
  background: var(--navy-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
  overflow: hidden;
}

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

.cart-item-info { flex: 1; min-width: 0; }

.cart-item-name {
  font-family: 'Syne', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-price { font-size: 0.85rem; color: var(--electric); font-weight: 500; }

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.qty-btn {
  width: 26px; height: 26px;
  border-radius: 6px;
  background: var(--navy-light);
  border: 1px solid var(--border);
  color: var(--white);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.qty-btn:hover { border-color: var(--electric); color: var(--electric); }

.qty-display {
  font-family: 'Syne', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  min-width: 20px;
  text-align: center;
}

.cart-item-remove {
  color: var(--white-faint);
  font-size: 16px;
  cursor: pointer;
  transition: color var(--transition);
  flex-shrink: 0;
  align-self: flex-start;
}

.cart-item-remove:hover { color: #ff4444; }

.cart-empty {
  text-align: center;
  padding: 60px 24px;
  color: var(--white-dim);
}

.cart-empty-icon { font-size: 3rem; margin-bottom: 16px; }
.cart-empty h4 { font-family: 'Syne', sans-serif; margin-bottom: 8px; }
.cart-empty p { font-size: 0.875rem; }

.cart-footer {
  padding: 24px;
  border-top: 1px solid var(--border);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.cart-total-label { font-size: 0.875rem; color: var(--white-dim); }

.cart-total-price {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--electric);
}

.checkout-btn {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--electric), var(--signal));
  color: var(--navy);
  border: none;
  border-radius: var(--radius);
  font-family: 'Syne', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
}

.checkout-btn:hover {
  box-shadow: 0 8px 30px rgba(0,212,255,0.4);
  transform: translateY(-1px);
}

.checkout-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ============================================
   PAGE HERO (inner pages)
   ============================================ */
.page-hero {
  padding: 140px 0 80px;
  background: linear-gradient(180deg, var(--navy-mid) 0%, var(--navy) 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 600px; height: 400px;
  background: radial-gradient(ellipse at top right, rgba(0,102,255,0.1), transparent 70%);
}

.page-hero h1 { font-size: clamp(2rem, 4vw, 3.5rem); }
.page-hero p { color: var(--white-dim); margin-top: 12px; font-size: 1rem; }

/* ============================================
   PRODUCT DETAIL
   ============================================ */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.product-detail-gallery {
  position: sticky;
  top: 100px;
}

.product-detail-main-img {
  aspect-ratio: 4/3;
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  overflow: hidden;
}

.product-detail-main-img img { width: 100%; height: 100%; object-fit: cover; }

.product-detail-badge {
  display: inline-flex;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--electric);
  background: rgba(0,212,255,0.1);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.product-detail-name {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.product-detail-price {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: 'Syne', sans-serif;
  background: linear-gradient(135deg, var(--electric), var(--signal-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
}

.product-detail-desc {
  color: var(--white-dim);
  line-height: 1.7;
  margin-bottom: 32px;
  font-weight: 300;
}

.product-detail-actions { display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }

.product-detail-features {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.product-detail-features-title {
  font-family: 'Syne', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 12px;
}

.product-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  color: var(--white-dim);
}

.product-feature-item:last-child { border-bottom: none; }
.product-feature-item::before { content: '✓'; color: var(--electric); font-weight: 700; }

/* ============================================
   FILTERS
   ============================================ */
.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--white-dim);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: linear-gradient(135deg, var(--electric), var(--signal));
  border-color: transparent;
  color: var(--navy);
  font-weight: 700;
}

/* ============================================
   FAQ
   ============================================ */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 12px;
  transition: border-color var(--transition);
}

.faq-item.open { border-color: var(--border-strong); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  background: var(--surface);
  transition: background var(--transition);
  gap: 16px;
}

.faq-question:hover { background: var(--surface-hover); }

.faq-question-text {
  font-family: 'Syne', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
}

.faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--electric);
  font-size: 16px;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}

.faq-answer p {
  padding: 16px 0;
  font-size: 0.9rem;
  color: var(--white-dim);
  line-height: 1.7;
}

.faq-item.open .faq-answer { max-height: 400px; }

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 32px;
}

.contact-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(0,212,255,0.1);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--electric);
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-info-value {
  font-size: 0.95rem;
  color: var(--white-dim);
  line-height: 1.5;
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white-dim);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--electric);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}

.form-textarea { min-height: 140px; resize: vertical; }

.form-select option { background: var(--navy-mid); }

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-mission {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--navy-light), var(--navy-mid));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.about-visual-inner {
  font-size: 4rem;
  position: relative;
  z-index: 1;
}

.about-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(0,212,255,0.12), transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(0,102,255,0.1), transparent 50%);
}

.about-visual-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}

.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.team-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}

.team-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.team-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--electric), var(--signal));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0 auto 16px;
}

.team-name {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.team-role { font-size: 0.8rem; color: var(--electric); margin-bottom: 12px; }
.team-bio { font-size: 0.85rem; color: var(--white-dim); line-height: 1.6; }

/* ============================================
   SUCCESS / CANCEL PAGES
   ============================================ */
.result-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
}

.result-icon {
  font-size: 4rem;
  margin-bottom: 24px;
}

.result-page h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.result-page p {
  color: var(--white-dim);
  max-width: 480px;
  margin: 0 auto 32px;
  font-size: 1rem;
}

/* ============================================
   POLICY PAGES
   ============================================ */
.policy-content {
  max-width: 760px;
  margin: 0 auto;
}

.policy-content h2 {
  font-size: 1.4rem;
  margin: 40px 0 16px;
  color: var(--electric);
}

.policy-content h3 {
  font-size: 1.1rem;
  margin: 28px 0 12px;
}

.policy-content p {
  font-size: 0.95rem;
  color: var(--white-dim);
  line-height: 1.8;
  margin-bottom: 16px;
}

.policy-content ul {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.policy-content ul li {
  font-size: 0.95rem;
  color: var(--white-dim);
  line-height: 1.8;
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
}

.policy-content ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--electric);
}

.policy-content .last-updated {
  font-size: 0.8rem;
  color: var(--white-faint);
  margin-bottom: 48px;
}

/* ============================================
   TOAST NOTIFICATION
   ============================================ */
.toast {
  position: fixed;
  bottom: 24px; right: 24px;
  background: var(--navy-light);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 340px;
  box-shadow: var(--shadow);
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast-icon { font-size: 1.2rem; }

/* ============================================
   LOADING SPINNER
   ============================================ */
.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--electric);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 60px auto;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-state { text-align: center; padding: 40px; color: var(--white-dim); }

/* ============================================
   BADGE / CHIP
   ============================================ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.chip-electric {
  background: rgba(0,212,255,0.1);
  color: var(--electric);
  border: 1px solid rgba(0,212,255,0.2);
}

.chip-signal {
  background: rgba(0,102,255,0.1);
  color: var(--signal-bright);
  border: 1px solid rgba(0,102,255,0.2);
}

/* ============================================
   MISC UTILITY
   ============================================ */
.divider {
  height: 1px;
  background: var(--border);
  margin: 60px 0;
}

.text-electric { color: var(--electric); }
.text-dim { color: var(--white-dim); }
.text-faint { color: var(--white-faint); }

.hidden { display: none !important; }

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.6s ease forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
  .step { margin-bottom: 40px; }
  .about-mission { grid-template-columns: 1fr; }
  .product-detail { grid-template-columns: 1fr; }
  .product-detail-gallery { position: static; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--navy-mid);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 16px;
  }
  .hamburger { display: flex; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .cta-banner { padding: 60px 32px; }
  .team-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .steps { grid-template-columns: 1fr; }
  .product-detail-actions { flex-direction: column; }
  .cart-drawer { max-width: 100%; }
}