/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --blue:    #0066FF;
  --blue-d:  #0047CC;
  --blue-l:  #3385FF;
  --cyan:    #00D4FF;
  --dark:    #080C14;
  --dark2:   #0D1220;
  --dark3:   #111827;
  --card:    #141C2E;
  --border:  rgba(255,255,255,0.08);
  --text:    #E8EDF5;
  --muted:   #8B9CBB;
  --gold:    #FFB800;
  --green:   #00D084;
  --radius:  16px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ===== UTILITY ===== */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,102,255,0.12); border: 1px solid rgba(0,102,255,0.3);
  color: var(--blue-l); font-size: 12px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; padding: 6px 14px; border-radius: 100px;
  margin-bottom: 20px;
}
.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.1; letter-spacing: 1px;
}
.highlight { color: var(--blue); }
.cyan { color: var(--cyan); }

/* ===== TOPBAR ===== */
.topbar {
  background: var(--blue);
  text-align: center; font-size: 13px; font-weight: 600;
  padding: 10px 24px; letter-spacing: 0.5px;
}
.topbar span { opacity: 0.85; }
.topbar strong { opacity: 1; }

/* ===== NAV ===== */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8,12,20,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem; letter-spacing: 3px;
  background: linear-gradient(135deg, #fff 0%, var(--cyan) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.logo span { color: var(--blue); -webkit-text-fill-color: var(--blue); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link { color: var(--muted); font-size: 14px; font-weight: 500; transition: color 0.2s; }
.nav-link:hover { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-cart-btn {
  position: relative; background: rgba(255,255,255,0.06);
  border: 1px solid var(--border); color: var(--text);
  width: 42px; height: 42px; border-radius: 100px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition);
}
.nav-cart-btn:hover { background: rgba(255,255,255,0.1); }
.cart-badge {
  position: absolute; top: -5px; right: -5px;
  background: var(--blue); color: #fff;
  width: 18px; height: 18px; border-radius: 50%;
  font-size: 10px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  display: none;
}
.nav-cta {
  background: var(--blue); color: #fff;
  padding: 10px 24px; border-radius: 100px;
  font-size: 14px; font-weight: 700;
  transition: var(--transition); cursor: pointer; border: none;
}
.nav-cta:hover { background: var(--blue-d); transform: translateY(-1px); }
@media (max-width: 768px) { .nav-links { display: none; } }

/* ===== HERO ===== */
.hero {
  min-height: 95vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 60% 50%, rgba(0,102,255,0.15) 0%, transparent 70%),
              radial-gradient(ellipse 50% 40% at 20% 80%, rgba(0,212,255,0.08) 0%, transparent 60%),
              var(--dark);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230066FF' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  position: relative; z-index: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.25);
  color: var(--cyan); font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px;
  padding: 7px 16px; border-radius: 100px; margin-bottom: 24px;
}
.badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan); animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.hero-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3.5rem, 7vw, 6rem);
  line-height: 0.95; letter-spacing: 2px;
  margin-bottom: 24px;
}
.hero-title .line2 {
  background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-desc {
  font-size: 17px; color: var(--muted);
  line-height: 1.7; margin-bottom: 36px; max-width: 480px;
}
.hero-stats {
  display: flex; gap: 32px; margin-bottom: 40px;
}
.hero-stat { text-align: center; }
.hero-stat .num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.4rem; line-height: 1;
  background: linear-gradient(135deg, #fff 0%, var(--cyan) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-stat .lbl { font-size: 11px; color: var(--muted); font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }
.hero-stat-div { width: 1px; background: var(--border); }
.hero-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-d) 100%);
  color: #fff; font-size: 16px; font-weight: 700;
  padding: 16px 36px; border-radius: 100px;
  border: none; cursor: pointer;
  box-shadow: 0 8px 32px rgba(0,102,255,0.4);
  transition: var(--transition);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0,102,255,0.5);
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text); font-size: 15px; font-weight: 600;
  padding: 16px 28px; border-radius: 100px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  cursor: pointer; transition: var(--transition);
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.15); }
.hero-img-wrap {
  position: relative; display: flex; justify-content: center;
}
.hero-glow {
  position: absolute; width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,102,255,0.25) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  animation: glowPulse 4s ease-in-out infinite;
  pointer-events: none;
}
@keyframes glowPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
}
.hero-img {
  position: relative; z-index: 1;
  max-width: 520px; width: 100%;
  filter: drop-shadow(0 40px 80px rgba(0,102,255,0.3));
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}
.hero-badges-row {
  display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px;
}
.mini-badge {
  display: flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 100px;
  font-size: 12px; font-weight: 600; color: var(--muted);
}
.mini-badge svg { flex-shrink: 0; }

/* ===== TRUST BAR ===== */
.trust-bar {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}
.trust-items {
  display: flex; align-items: center; justify-content: center;
  gap: 48px; flex-wrap: wrap;
}
.trust-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; color: var(--muted);
}
.trust-item svg { color: var(--blue); }
.trust-divider { width: 1px; height: 24px; background: var(--border); }

/* ===== PRODUCT GALLERY ===== */
.gallery { background: var(--dark2); }
.gallery-header { text-align: center; margin-bottom: 60px; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
  cursor: pointer;
  transition: var(--transition);
}
.gallery-item:hover { transform: scale(1.02); border-color: rgba(0,102,255,0.4); }
.gallery-item:first-child { grid-column: span 2; grid-row: span 2; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }
.gallery-item .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
  opacity: 0; transition: var(--transition);
}
.gallery-item:hover .overlay { opacity: 1; }

/* ===== FEATURES ===== */
.features { background: var(--dark); }
.features-header { text-align: center; margin-bottom: 70px; }
.features-header p { color: var(--muted); max-width: 560px; margin: 16px auto 0; font-size: 16px; }
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  opacity: 0; transition: var(--transition);
}
.feature-card:hover { border-color: rgba(0,102,255,0.3); transform: translateY(-6px); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: rgba(0,102,255,0.12); border: 1px solid rgba(0,102,255,0.2);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px; font-size: 24px;
}
.feature-card h3 {
  font-size: 18px; font-weight: 700; margin-bottom: 10px;
}
.feature-card p { color: var(--muted); font-size: 14px; line-height: 1.7; }

/* ===== SPECS ===== */
.specs { background: var(--dark2); }
.specs-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.specs-img-wrap { position: relative; }
.specs-img {
  border-radius: 24px; width: 100%;
  filter: drop-shadow(0 30px 60px rgba(0,102,255,0.2));
}
.specs-glow {
  position: absolute; inset: -30px;
  background: radial-gradient(ellipse, rgba(0,102,255,0.15) 0%, transparent 70%);
  border-radius: 50%; z-index: -1;
}
.specs-label { margin-bottom: 16px; }
.specs-title { margin-bottom: 12px; }
.specs-subtitle { color: var(--muted); font-size: 16px; margin-bottom: 40px; }
.specs-table { display: flex; flex-direction: column; gap: 0; }
.spec-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.spec-row:last-child { border-bottom: none; }
.spec-key { color: var(--muted); font-size: 14px; font-weight: 500; }
.spec-val {
  font-weight: 700; font-size: 15px;
  background: linear-gradient(135deg, #fff 0%, var(--cyan) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* ===== MODES ===== */
.modes { background: var(--dark); }
.modes-header { text-align: center; margin-bottom: 70px; }
.modes-header p { color: var(--muted); max-width: 500px; margin: 16px auto 0; }
.modes-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-bottom: 60px;
}
.mode-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 40px 32px; text-align: center;
  transition: var(--transition); position: relative; overflow: hidden;
}
.mode-card.active { border-color: var(--blue); background: rgba(0,102,255,0.08); }
.mode-card:hover { transform: translateY(-4px); }
.mode-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3rem; color: var(--blue); line-height: 1; margin-bottom: 16px;
}
.mode-name { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.mode-desc { color: var(--muted); font-size: 14px; }
.mode-dots {
  display: flex; justify-content: center; gap: 6px; margin-top: 20px;
}
.mode-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,0.15);
}
.mode-dot.lit { background: var(--blue); box-shadow: 0 0 8px var(--blue); }
.zoom-section {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 48px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
}
.zoom-info h3 { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.zoom-info p { color: var(--muted); font-size: 15px; line-height: 1.7; }
.zoom-visual {
  display: flex; flex-direction: column; gap: 16px;
}
.zoom-bar-wrap { display: flex; flex-direction: column; gap: 6px; }
.zoom-bar-label {
  display: flex; justify-content: space-between;
  font-size: 12px; font-weight: 600; color: var(--muted);
}
.zoom-bar {
  height: 8px; background: rgba(255,255,255,0.08); border-radius: 100px; overflow: hidden;
}
.zoom-bar-fill {
  height: 100%; border-radius: 100px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transition: width 1s ease;
}

/* ===== BATTERY / CHARGING ===== */
.charging { background: var(--dark2); }
.charging-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.charging-info .section-title { margin-bottom: 16px; }
.charging-info p { color: var(--muted); font-size: 16px; margin-bottom: 40px; }
.charging-points { display: flex; flex-direction: column; gap: 20px; }
.charge-point {
  display: flex; gap: 16px; align-items: flex-start;
}
.charge-icon {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.charge-icon.blue { background: rgba(0,102,255,0.15); border: 1px solid rgba(0,102,255,0.25); }
.charge-icon.cyan { background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.2); }
.charge-icon.green { background: rgba(0,208,132,0.1); border: 1px solid rgba(0,208,132,0.2); }
.charge-point h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.charge-point p { color: var(--muted); font-size: 13px; line-height: 1.6; }
.battery-visual {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 24px; padding: 48px; text-align: center;
}
.battery-body {
  display: inline-block; position: relative;
  border: 3px solid rgba(255,255,255,0.15); border-radius: 16px;
  width: 180px; height: 90px; margin: 0 auto 24px;
}
.battery-body::after {
  content: '';
  position: absolute; right: -14px; top: 50%;
  transform: translateY(-50%);
  width: 10px; height: 36px;
  background: rgba(255,255,255,0.15);
  border-radius: 0 6px 6px 0;
}
.battery-fill {
  position: absolute; top: 4px; left: 4px; bottom: 4px;
  width: 90%; border-radius: 10px;
  background: linear-gradient(90deg, var(--green), #00F5A0);
  animation: charge 3s ease-in-out infinite alternate;
}
@keyframes charge {
  from { width: 30%; }
  to { width: 92%; }
}
.battery-pct {
  font-family: 'Bebas Neue', sans-serif; font-size: 3.5rem;
  background: linear-gradient(135deg, var(--green), #00F5A0);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  display: block; line-height: 1;
}
.battery-label { color: var(--muted); font-size: 13px; font-weight: 600; letter-spacing: 1px; }
.ports-row {
  display: flex; gap: 12px; justify-content: center; margin-top: 28px; flex-wrap: wrap;
}
.port-tag {
  background: rgba(0,102,255,0.1); border: 1px solid rgba(0,102,255,0.25);
  color: var(--blue-l); font-size: 12px; font-weight: 700;
  padding: 6px 14px; border-radius: 100px;
}

/* ===== TESTIMONIALS ===== */
.testimonials { background: var(--dark); }
.testimonials-header { text-align: center; margin-bottom: 60px; }
.rating-big {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  margin-bottom: 8px;
}
.stars { color: var(--gold); font-size: 28px; letter-spacing: 4px; }
.rating-num {
  font-family: 'Bebas Neue', sans-serif; font-size: 4rem;
  background: linear-gradient(135deg, var(--gold), #FFDD57);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.rating-count { color: var(--muted); font-size: 14px; }
.testimonials-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  transition: var(--transition);
}
.testimonial-card:hover { transform: translateY(-4px); border-color: rgba(0,102,255,0.25); }
.t-stars { color: var(--gold); font-size: 14px; margin-bottom: 16px; letter-spacing: 3px; }
.t-text { color: var(--muted); font-size: 14px; line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.t-text::before { content: '"'; }
.t-text::after { content: '"'; }
.t-author { display: flex; align-items: center; gap: 12px; }
.t-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; flex-shrink: 0;
}
.t-name { font-weight: 700; font-size: 14px; }
.t-role { color: var(--muted); font-size: 12px; }
.t-verified { color: var(--green); font-size: 11px; display: flex; align-items: center; gap: 4px; }

/* ===== FAQ ===== */
.faq { background: var(--dark2); }
.faq-header { text-align: center; margin-bottom: 60px; }
.faq-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px; max-width: 900px; margin: 0 auto;
}
.faq-item {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 24px; cursor: pointer; font-weight: 600; font-size: 14px;
  transition: var(--transition); gap: 12px;
}
.faq-question:hover { background: rgba(255,255,255,0.03); }
.faq-toggle {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(0,102,255,0.15); border: 1px solid rgba(0,102,255,0.25);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--blue); font-size: 18px;
  transition: var(--transition);
}
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease;
  color: var(--muted); font-size: 14px; line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 200px; padding: 0 24px 22px; }
.faq-item.open .faq-toggle { transform: rotate(45deg); background: var(--blue); color: #fff; }

/* ===== CTA ===== */
.cta-section {
  background: radial-gradient(ellipse 80% 80% at 50% 50%, rgba(0,102,255,0.2) 0%, transparent 70%), var(--dark);
  text-align: center; padding: 120px 0;
}
.cta-box {
  background: var(--card); border: 1px solid rgba(0,102,255,0.25);
  border-radius: 32px; padding: 80px 60px;
  position: relative; overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(ellipse, rgba(0,102,255,0.08) 0%, transparent 60%);
}
.cta-box > * { position: relative; z-index: 1; }
.price-tag {
  margin: 32px 0;
}
.price-old {
  font-size: 20px; color: var(--muted);
  text-decoration: line-through; margin-bottom: 4px;
}
.price-new {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 5rem; line-height: 1;
  background: linear-gradient(135deg, #fff 0%, var(--cyan) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.price-note { color: var(--muted); font-size: 14px; margin-top: 8px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 40px; }
.guarantee-row {
  display: flex; gap: 32px; justify-content: center; margin-top: 48px; flex-wrap: wrap;
}
.guarantee-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--muted); font-weight: 500;
}

/* ===== FOOTER ===== */
footer {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  padding: 60px 0 40px;
}
.footer-inner {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 60px; margin-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { color: var(--muted); font-size: 14px; line-height: 1.7; max-width: 280px; }
.footer-col h4 { font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 20px; color: var(--text); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: var(--muted); font-size: 14px; transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 32px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: gap;
  color: var(--muted); font-size: 13px;
}

/* ===== FLOATING CTA ===== */
.floating-cta {
  position: fixed; bottom: 32px; right: 32px; z-index: 200;
  background: linear-gradient(135deg, var(--blue), var(--blue-d));
  color: #fff; padding: 14px 28px; border-radius: 100px;
  font-weight: 700; font-size: 14px;
  box-shadow: 0 8px 32px rgba(0,102,255,0.5);
  cursor: pointer; transition: var(--transition);
  display: flex; align-items: center; gap: 8px;
  opacity: 0; pointer-events: none;
}
.floating-cta:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 16px 48px rgba(0,102,255,0.6); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-grid, .specs-inner, .charging-inner, .zoom-section { grid-template-columns: 1fr; gap: 48px; }
  .hero-img-wrap { order: -1; }
  .features-grid, .modes-grid, .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item:first-child { grid-column: span 2; grid-row: span 1; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .cta-box { padding: 48px 28px; }
}
@media (max-width: 600px) {
  .section { padding: 70px 0; }
  .features-grid, .modes-grid, .testimonials-grid, .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item:first-child { grid-column: span 1; }
  .hero-stats { gap: 20px; }
  .trust-items { gap: 24px; }
  .trust-divider { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .floating-cta { bottom: 20px; right: 20px; padding: 12px 20px; font-size: 13px; }
  .price-new { font-size: 3.5rem; }
}

/* ===== CART SIDEBAR ===== */
.cart-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  z-index: 300; opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease; backdrop-filter: blur(4px);
}
.cart-overlay.active { opacity: 1; pointer-events: all; }
.cart-sidebar {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(420px, 95vw);
  background: var(--dark2); border-left: 1px solid var(--border);
  z-index: 400; display: flex; flex-direction: column;
  transform: translateX(100%); transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
}
.cart-sidebar.active { transform: translateX(0); }
.cart-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px; border-bottom: 1px solid var(--border);
}
.cart-header h3 { font-size: 18px; font-weight: 700; }
.cart-close {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.06); border: 1px solid var(--border);
  color: var(--text); cursor: pointer; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.cart-close:hover { background: rgba(255,255,255,0.12); }
.cart-body { flex: 1; overflow-y: auto; padding: 24px; }
.cart-empty { text-align: center; padding: 60px 0; color: var(--muted); }
.cart-product {
  display: flex; gap: 16px; padding: 20px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius);
}
.cart-prod-img {
  width: 72px; height: 72px; border-radius: 12px;
  background: rgba(0,102,255,0.1); border: 1px solid rgba(0,102,255,0.2);
  display: flex; align-items: center; justify-content: center; font-size: 2rem; flex-shrink: 0;
}
.cart-prod-name { font-weight: 700; margin-bottom: 4px; }
.cart-prod-price { color: var(--blue-l); font-weight: 700; font-size: 18px; margin-bottom: 12px; }
.cart-qty-row { display: flex; align-items: center; gap: 10px; }
.qty-btn {
  width: 30px; height: 30px; border-radius: 50%;
  background: rgba(255,255,255,0.08); border: 1px solid var(--border);
  color: var(--text); cursor: pointer; font-size: 18px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; line-height: 1;
  transition: var(--transition);
}
.qty-btn:hover { background: var(--blue); border-color: var(--blue); }
#cartQty { font-weight: 700; font-size: 16px; min-width: 24px; text-align: center; }
.cart-remove {
  background: none; border: none; color: var(--muted);
  font-size: 12px; cursor: pointer; text-decoration: underline;
  margin-left: 6px; transition: color 0.2s;
}
.cart-remove:hover { color: #ff4d4d; }
.cart-footer { padding: 20px 24px; border-top: 1px solid var(--border); }
.cart-subtotal {
  display: flex; justify-content: space-between;
  font-weight: 700; font-size: 16px; margin-bottom: 8px;
}
.cart-shipping-note { color: var(--green); font-size: 13px; margin-bottom: 16px; }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.75);
  z-index: 500; display: flex; align-items: center; justify-content: center;
  padding: 20px; opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease; backdrop-filter: blur(6px);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-box {
  background: var(--dark2); border: 1px solid var(--border);
  border-radius: 24px; width: 100%; max-width: 520px;
  max-height: 90vh; overflow-y: auto;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}
.modal-overlay.active .modal-box { transform: scale(1) translateY(0); }
.modal-steps {
  display: flex; align-items: center; justify-content: center;
  padding: 24px 32px 0; gap: 0;
}
.step {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: var(--muted);
  transition: color 0.3s;
}
.step span {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(255,255,255,0.08); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; transition: all 0.3s;
}
.step.active { color: var(--text); }
.step.active span { background: var(--blue); border-color: var(--blue); color: #fff; }
.step.done span { background: var(--green); border-color: var(--green); color: #fff; }
.step-line { flex: 1; height: 1px; background: var(--border); margin: 0 10px; }
.checkout-step { padding: 28px 32px 32px; }
.modal-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 24px;
}
.modal-title { font-size: 20px; font-weight: 700; flex: 1; }
.modal-close {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.06); border: 1px solid var(--border);
  color: var(--text); cursor: pointer; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition); flex-shrink: 0;
}
.modal-close:hover { background: rgba(255,255,255,0.12); }
.back-btn {
  background: none; border: none; color: var(--muted);
  font-size: 13px; font-weight: 600; cursor: pointer;
  padding: 0; transition: color 0.2s; flex-shrink: 0;
}
.back-btn:hover { color: var(--text); }
.order-product {
  display: flex; gap: 16px; padding: 20px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 20px;
}
.order-img {
  width: 72px; height: 72px; border-radius: 12px; flex-shrink: 0;
  background: rgba(0,102,255,0.1); border: 1px solid rgba(0,102,255,0.2);
  display: flex; align-items: center; justify-content: center; font-size: 2rem;
}
.order-name { font-weight: 700; margin-bottom: 4px; }
.order-desc { color: var(--muted); font-size: 12px; margin-bottom: 10px; }
.order-price-row { display: flex; align-items: center; gap: 10px; }
.order-price { font-weight: 800; font-size: 20px; color: var(--text); }
.order-price-old { color: var(--muted); text-decoration: line-through; font-size: 14px; }
.discount-tag {
  background: rgba(0,208,132,0.15); border: 1px solid rgba(0,208,132,0.3);
  color: var(--green); font-size: 11px; font-weight: 700;
  padding: 3px 8px; border-radius: 100px;
}
.qty-selector {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.qty-label { font-weight: 600; }
.qty-controls { display: flex; align-items: center; gap: 14px; }
#checkoutQtyDisplay { font-weight: 700; font-size: 18px; min-width: 28px; text-align: center; }
.order-totals { margin-bottom: 20px; }
.total-row {
  display: flex; justify-content: space-between;
  font-size: 14px; padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.total-row:last-child { border-bottom: none; }
.total-final { font-weight: 800; font-size: 18px; padding-top: 12px; }
.trust-mini {
  display: flex; gap: 12px; flex-wrap: wrap; justify-content: center;
  font-size: 12px; color: var(--muted); margin-bottom: 16px;
}
/* Form */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--muted); }
.form-group input, .form-group select {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 14px; color: var(--text);
  font-size: 14px; font-family: inherit;
  transition: border-color 0.2s;
  outline: none;
}
.form-group input:focus, .form-group select:focus { border-color: var(--blue); }
.form-group input.error { border-color: #ff4d4d; }
.form-group select option { background: var(--dark2); }
/* Payment methods */
.payment-methods { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.pay-method {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--card);
  cursor: pointer; font-size: 14px; font-weight: 600;
  transition: all 0.2s;
}
.pay-method:hover { border-color: rgba(0,102,255,0.4); }
.pay-method.active { border-color: var(--blue); background: rgba(0,102,255,0.08); color: var(--text); }
.pay-form { margin-bottom: 16px; }
.paypal-info { text-align: center; padding: 24px; color: var(--muted); }
.paypal-logo {
  font-size: 2rem; font-weight: 900; color: #009cde;
  margin: 16px 0; letter-spacing: 1px;
}
.transfer-info { padding: 16px 0; }
.transfer-info p { color: var(--muted); font-size: 14px; margin-bottom: 12px; }
.bank-details {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; font-size: 13px;
  display: flex; flex-direction: column; gap: 8px;
}
.order-summary-mini {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 18px; margin-bottom: 16px;
}
/* Success */
.success-step { text-align: center; padding: 40px 32px; }
.success-icon {
  width: 80px; height: 80px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green), #00F5A0);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.4rem; color: #fff; font-weight: 900;
  margin: 0 auto 24px;
  box-shadow: 0 0 40px rgba(0,208,132,0.4);
}
.success-title { font-size: 26px; font-weight: 800; margin-bottom: 12px; }
.success-msg { color: var(--muted); font-size: 15px; margin-bottom: 28px; line-height: 1.6; }
.success-details {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; text-align: left;
}
.success-row {
  display: flex; justify-content: space-between;
  font-size: 14px; padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.success-row:last-child { border-bottom: none; }
/* Notification toast */
.toast {
  position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--card); border: 1px solid var(--green);
  color: var(--text); padding: 14px 24px; border-radius: 100px;
  font-size: 14px; font-weight: 600; z-index: 600;
  opacity: 0; transition: all 0.3s ease; pointer-events: none;
  white-space: nowrap; box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
@media (max-width: 600px) {
  .checkout-step { padding: 20px 20px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .modal-steps { padding: 20px 20px 0; }
}