/* ============================================
   EnergyHub — Premium Trust + Conversion
   ============================================ */

:root {
  --bg: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1F5F9;
  --surface: #EFF3F8;
  --border: rgba(15,23,42,0.08);
  --border-hover: rgba(15,23,42,0.16);
  --text: #1E293B;
  --text-muted: #475569;
  --text-dim: #94A3B8;
  --white: #0F172A;
  --accent: #2563EB;
  --accent-hover: #3B82F6;
  --accent-glow: rgba(37,99,235,0.12);
  --primary: #2563EB;
  --primary-hover: #3B82F6;
  --red: #DC2626;
  --red-bright: #EF4444;
  --red-bg: rgba(220,38,38,0.08);
  --red-glow: rgba(220,38,38,0.12);
  --green: #16A34A;
  --green-bg: rgba(22,163,74,0.08);
  --blue-bg: rgba(37,99,235,0.06);
  --purple: #7C3AED;
  --purple-bg: rgba(124,58,237,0.06);
  --amber-bg: rgba(245,158,11,0.06);
  --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  --gradient-accent: linear-gradient(135deg, #2563EB, #1D4ED8);
  --gradient-red: linear-gradient(135deg, #DC2626, #B91C1C);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow: 0 1px 3px rgba(15,23,42,0.06), 0 4px 16px rgba(15,23,42,0.05);
  --shadow-lg: 0 4px 12px rgba(15,23,42,0.06), 0 16px 48px rgba(15,23,42,0.1);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; color: inherit; }
input, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius); font-weight: 600; font-size: 15px;
  transition: var(--transition); white-space: nowrap; position: relative; overflow: hidden;
}
.btn--primary { background: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(59,130,246,0.3); }
.btn--accent { background: var(--gradient-red); color: #fff; font-weight: 700; }
.btn--accent:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(220,38,38,0.35); }
.btn--outline { border: 2px solid var(--border-hover); color: var(--text); background: transparent; }
.btn--outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn--ghost { background: rgba(255,255,255,0.1); color: #fff; border: 1px solid rgba(255,255,255,0.2); }
.btn--ghost:hover { background: rgba(255,255,255,0.2); }
.btn--sm { padding: 8px 20px; font-size: 13px; }
.btn--lg { padding: 16px 36px; font-size: 16px; }
.btn--full { width: 100%; }

/* ============ HEADER ============ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0; transition: var(--transition); background: transparent; color: #fff;
}
.header .nav__link { color: rgba(255,255,255,0.7); }
.header .nav__link:hover { color: #fff; }
.header .header__phone { color: rgba(255,255,255,0.9); }
.header .burger span { background: #fff; }
.header.scrolled {
  background: rgba(249,250,251,0.95); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border); padding: 10px 0; color: var(--text);
}
.header.scrolled .logo { color: #0F172A; }
.header.scrolled .nav__link { color: var(--text-muted); }
.header.scrolled .nav__link:hover { color: var(--white); }
.header.scrolled .header__phone { color: var(--text); }
.header.scrolled .burger span { background: var(--text); }

.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: inherit; }
.logo__icon { width: 36px; height: 36px; color: var(--accent); }
.nav { display: flex; gap: 32px; }
.nav__link { font-size: 14px; font-weight: 500; color: var(--text-muted); transition: var(--transition); position: relative; }
.nav__link::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--accent); transition: var(--transition); }
.nav__link:hover { color: var(--white); }
.nav__link:hover::after { width: 100%; }
.header__actions { display: flex; align-items: center; gap: 16px; }
.header__phone { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; color: var(--text); transition: var(--transition); }
.header__phone:hover { color: var(--accent); }
.burger { display: none; flex-direction: column; gap: 5px; width: 28px; padding: 4px 0; }
.burger span { display: block; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }

/* ============ HERO ============ */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; padding: 120px 0 80px; color: #fff; }
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 80%, rgba(37,99,235,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(220,38,38,0.1) 0%, transparent 50%),
    radial-gradient(ellipse 40% 30% at 60% 70%, rgba(220,38,38,0.06) 0%, transparent 40%),
    repeating-linear-gradient(135deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 60px),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 60px),
    var(--gradient-hero);
}
.hero__particles { position: absolute; inset: 0; }
.hero__glow { position: absolute; top: -20%; right: -10%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(37,99,235,0.18) 0%, transparent 70%); border-radius: 50%; animation: glowPulse 4s ease-in-out infinite; }
.hero__glow-red { position: absolute; bottom: -10%; left: -5%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(220,38,38,0.12) 0%, transparent 70%); border-radius: 50%; animation: glowPulse 5s ease-in-out infinite; animation-delay: 2s; }
.hero::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 80px; background: linear-gradient(to top, #1E293B, transparent); pointer-events: none; }
@keyframes glowPulse { 0%, 100% { opacity: 0.5; transform: scale(1); } 50% { opacity: 1; transform: scale(1.1); } }
.hero__inner { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero__badges { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.hero__badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; background: rgba(34,197,94,0.15); border: 1px solid rgba(34,197,94,0.3); border-radius: 100px; font-size: 13px; font-weight: 500; color: #4ade80; }
.hero__badge--blue { background: rgba(59,130,246,0.15); border-color: rgba(59,130,246,0.3); color: #60a5fa; }
.pulse-dot { width: 8px; height: 8px; background: #4ade80; border-radius: 50%; animation: pulse 2s ease-in-out infinite; }
.pulse-dot--blue { background: #60a5fa; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.4); } 50% { box-shadow: 0 0 0 8px rgba(34,197,94,0); } }
.hero__title { font-size: clamp(36px, 5vw, 56px); font-weight: 900; line-height: 1.1; color: #fff; margin-bottom: 20px; }
.hero__title-highlight { display: block; background: linear-gradient(135deg, #EF4444, #FCA5A5); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero__subtitle { font-size: 18px; color: #cbd5e1; margin-bottom: 32px; max-width: 520px; line-height: 1.7; }
.hero__subtitle strong { color: #fff; }

.hero__form { max-width: 480px; margin-bottom: 24px; }
.hero__form-row { display: flex; gap: 8px; }
.hero__form-row .form-input { flex: 1; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); color: #fff; }
.hero__form-row .form-input::placeholder { color: rgba(255,255,255,0.5); }
.hero__form-row .form-input:focus { border-color: #60a5fa; box-shadow: 0 0 0 3px rgba(96,165,250,0.25); }
.hero__form-alt { margin-top: 12px; font-size: 14px; color: #94a3b8; }
.hero__form-alt a { color: #FCA5A5; font-weight: 600; }
.hero__form-alt a:hover { text-decoration: underline; }

.hero__trust { display: flex; gap: 24px; flex-wrap: wrap; }
.hero__trust-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #94a3b8; }

.hero__visual { display: flex; justify-content: center; align-items: center; }
.hero__battery-wrapper { position: relative; width: 400px; height: 400px; }
.hero__battery { position: relative; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.hero__battery-img { width: 280px; height: 280px; object-fit: cover; border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,0.1); }
.hero__battery-glow { position: absolute; inset: -20px; background: radial-gradient(circle, rgba(59,130,246,0.2) 0%, transparent 60%); border-radius: 50%; animation: glowPulse 3s ease-in-out infinite; }
.hero__float-badge { position: absolute; display: flex; align-items: center; gap: 8px; padding: 10px 16px; background: rgba(15,23,42,0.8); backdrop-filter: blur(12px); border: 1px solid rgba(59,130,246,0.2); border-radius: var(--radius); font-size: 13px; font-weight: 500; color: #fff; white-space: nowrap; box-shadow: var(--shadow); animation: floatBadge 4s ease-in-out infinite; }
.hero__float-badge--1 { top: 20px; right: -10px; }
.hero__float-badge--2 { bottom: 60px; left: -30px; animation-delay: 1.3s; }
.hero__float-badge--3 { bottom: 10px; right: 0; animation-delay: 2.6s; }
.hero__float-icon { font-size: 18px; }
@keyframes floatBadge { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.hero__scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; font-size: 12px; color: #475569; animation: scrollBounce 2s ease-in-out infinite; }
@keyframes scrollBounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

/* ============ ANIMATIONS ============ */
.animate-in { opacity: 0; transform: translateY(30px); animation: fadeInUp 0.8s ease forwards; }
.animate-in:nth-child(1) { animation-delay: 0.1s; }
.animate-in:nth-child(2) { animation-delay: 0.2s; }
.animate-in:nth-child(3) { animation-delay: 0.3s; }
.animate-in:nth-child(4) { animation-delay: 0.4s; }
.animate-in:nth-child(5) { animation-delay: 0.5s; }
.animate-in:nth-child(6) { animation-delay: 0.6s; }
@keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* ============ STATS ============ */
.stats {
  padding: 48px 0; color: #fff; position: relative;
  background:
    radial-gradient(circle at 10% 50%, rgba(37,99,235,0.1) 0%, transparent 50%),
    radial-gradient(circle at 90% 50%, rgba(220,38,38,0.08) 0%, transparent 40%),
    linear-gradient(180deg, #1E293B 0%, #172033 100%);
}
.stats::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, #2563EB 0%, #2563EB 50%, #DC2626 50%, #DC2626 100%);
}
.stats__inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat__number { display: block; font-family: var(--font-mono); font-size: clamp(28px, 4vw, 42px); font-weight: 700; color: #fff; line-height: 1; margin-bottom: 8px; }
.stat__label { font-size: 14px; color: #94a3b8; }

/* ============ SECTION HEADERS ============ */
.section-header { text-align: center; margin-bottom: 56px; }
.section-header--left { text-align: left; }
.section-tag { display: inline-block; padding: 6px 16px; background: var(--accent-glow); border: 1px solid rgba(37,99,235,0.2); border-radius: 100px; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--accent); margin-bottom: 16px; }
.section-tag--red { background: var(--red-bg); border-color: rgba(220,38,38,0.2); color: var(--red); }
.section-title { font-size: clamp(28px, 4vw, 40px); font-weight: 800; color: var(--white); margin-bottom: 12px; }
.section-subtitle { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* ============ PRODUCTS ============ */
.products {
  padding: 100px 0; position: relative;
  background:
    radial-gradient(ellipse 50% 60% at 0% 0%, rgba(59,130,246,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 40% 50% at 100% 100%, rgba(124,58,237,0.03) 0%, transparent 60%),
    radial-gradient(circle 2px at 20px 20px, rgba(15,23,42,0.04) 1px, transparent 1px),
    var(--bg);
  background-size: 100% 100%, 100% 100%, 40px 40px, 100% 100%;
}
.products__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.product-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); position: relative; }
.product-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-card--featured { border-color: #DC2626; transform: scale(1.02); box-shadow: 0 8px 40px rgba(220,38,38,0.12); }
.product-card--featured:hover { border-color: var(--accent); transform: scale(1.02) translateY(-4px); }
.product-card__badge { position: absolute; top: 16px; right: 16px; padding: 6px 14px; background: var(--gradient-red); color: #fff; font-size: 12px; font-weight: 700; border-radius: 100px; z-index: 2; text-transform: uppercase; letter-spacing: 0.5px; }
.product-card__header { padding: 32px 24px; display: flex; flex-direction: column; align-items: center; gap: 16px; position: relative; }
.product-card__header--basic { background: linear-gradient(180deg, rgba(59,130,246,0.06) 0%, transparent 100%); }
.product-card__header--pro { background: linear-gradient(180deg, rgba(59,130,246,0.1) 0%, transparent 100%); }
.product-card__header--premium { background: linear-gradient(180deg, rgba(124,58,237,0.06) 0%, transparent 100%); }
.product-card__origin { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; color: var(--text-dim); }
.product-card__icon-wrap { width: 160px; height: 120px; display: flex; align-items: center; justify-content: center; overflow: hidden; border-radius: var(--radius); }
.product-card__image { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.product-card:hover .product-card__image { transform: scale(1.05); }
.product-card__body { padding: 24px; }
.product-card__tier { font-size: 22px; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.product-card__desc { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
.product-card__features { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.product-card__features li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text); }
.product-card__scarcity { padding: 8px 12px; background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.15); border-radius: 8px; font-size: 13px; font-weight: 600; color: #DC2626; text-align: center; margin-bottom: 16px; }
.product-card__gift { padding: 8px 12px; background: rgba(22,163,74,0.06); border: 1px solid rgba(22,163,74,0.12); border-radius: 8px; font-size: 13px; color: #16A34A; text-align: center; margin-bottom: 16px; display: flex; align-items: center; justify-content: center; gap: 6px; }
.product-card__rating { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.product-card__bar { height: 24px; background: #E5E7EB; border-radius: 6px; overflow: hidden; }
.product-card__bar-fill { height: 100%; width: var(--w); border-radius: 6px; background: var(--gradient-accent); display: flex; align-items: center; padding: 0 10px; font-size: 11px; font-weight: 600; color: #fff; transition: width 1.2s ease; }
.product-card__price { text-align: center; font-size: 16px; color: var(--text-muted); margin-bottom: 16px; }
.product-card__price strong { font-size: 28px; font-weight: 800; color: var(--white); }
.product-card__price .old-price { text-decoration: line-through; color: var(--text-dim); font-size: 16px; font-weight: 400; margin-right: 8px; }

/* ============ INSIDE ============ */
.inside {
  padding: 100px 0; color: #e2e8f0; position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 70% 50% at 80% 20%, rgba(37,99,235,0.1) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 10% 90%, rgba(220,38,38,0.06) 0%, transparent 50%),
    repeating-linear-gradient(0deg, transparent, transparent 79px, rgba(37,99,235,0.03) 79px, rgba(37,99,235,0.03) 80px),
    repeating-linear-gradient(90deg, transparent, transparent 79px, rgba(37,99,235,0.03) 79px, rgba(37,99,235,0.03) 80px),
    #0F172A;
}
.inside::before {
  content: ''; position: absolute; top: -100px; right: -100px; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.inside::after {
  content: ''; position: absolute; bottom: -80px; left: -60px; width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(220,38,38,0.06) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.inside .section-tag { background: rgba(59,130,246,0.15); border-color: rgba(59,130,246,0.3); color: #60a5fa; }
.inside .section-title { color: #fff; }
.inside .section-subtitle { color: #94a3b8; }
.inside__content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.inside__battery-3d { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
.inside__img { width: 100%; border-radius: var(--radius-lg); border: 1px solid rgba(51,65,85,0.5); }
.inside__hotspot { position: absolute; width: 36px; height: 36px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; cursor: pointer; animation: pulse 2s ease-in-out infinite; transition: var(--transition); }
.inside__hotspot:hover { transform: scale(1.2); }
.inside__hotspot::after { content: attr(data-tip); position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%); padding: 8px 14px; background: #0F172A; border: 1px solid rgba(51,65,85,0.5); border-radius: 8px; font-size: 12px; color: #fff; white-space: nowrap; opacity: 0; pointer-events: none; transition: var(--transition); }
.inside__hotspot:hover::after { opacity: 1; }
.inside__hotspot--1 { top: 15%; left: 25%; }
.inside__hotspot--2 { top: 50%; left: 55%; }
.inside__hotspot--3 { top: 75%; left: 35%; }
.inside__details { display: flex; flex-direction: column; gap: 32px; }
.inside__detail { display: flex; gap: 20px; align-items: flex-start; }
.inside__detail-num { flex-shrink: 0; width: 48px; height: 48px; border-radius: 50%; background: rgba(59,130,246,0.15); border: 1px solid rgba(59,130,246,0.3); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 18px; color: #3B82F6; }
.inside__detail h4 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.inside__detail p { font-size: 14px; color: #94a3b8; line-height: 1.6; }

/* ============ ADVANTAGES ============ */
.advantages {
  padding: 100px 0; position: relative;
  background:
    radial-gradient(ellipse 60% 50% at 100% 0%, rgba(37,99,235,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 0% 100%, rgba(220,38,38,0.04) 0%, transparent 50%),
    linear-gradient(180deg, #F8FAFC 0%, #F1F5F9 50%, #F8FAFC 100%);
}
.advantages__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.advantage-card { padding: 32px 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); text-align: center; transition: var(--transition); }
.advantage-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow); }
.advantage-card__icon { width: 64px; height: 64px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.advantage-card__icon--green { background: var(--green-bg); color: var(--green); }
.advantage-card__icon--blue { background: var(--blue-bg); color: var(--primary); }
.advantage-card__icon--purple { background: var(--purple-bg); color: var(--purple); }
.advantage-card__icon--amber { background: var(--red-bg); color: var(--red); }
.advantage-card h3 { font-size: 18px; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.advantage-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* ============ BRANDS ============ */
.brands {
  padding: 60px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); overflow: hidden;
  background:
    repeating-linear-gradient(135deg, transparent, transparent 49px, rgba(15,23,42,0.015) 49px, rgba(15,23,42,0.015) 50px),
    linear-gradient(180deg, #FAFBFC 0%, #F5F7FA 100%);
}
.brands__title { text-align: center; font-size: 14px; color: var(--text-dim); margin-bottom: 32px; text-transform: uppercase; letter-spacing: 2px; }
.brands__track { overflow: hidden; mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent); }
.brands__list { display: flex; gap: 48px; animation: marquee 20s linear infinite; width: max-content; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.brand { font-size: 20px; font-weight: 700; color: #94A3B8; white-space: nowrap; transition: var(--transition); user-select: none; }
.brand:hover { color: var(--accent); }

/* ============ REVIEWS ============ */
.reviews {
  padding: 100px 0; position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 40% 50% at 10% 30%, rgba(37,99,235,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 35% 40% at 90% 70%, rgba(220,38,38,0.04) 0%, transparent 50%),
    var(--bg);
}
.reviews::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, #2563EB 30%, #DC2626 70%, transparent);
}
.reviews__google { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 40px; padding: 16px 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); width: fit-content; margin-left: auto; margin-right: auto; }
.reviews__google-stars { color: #DC2626; font-size: 20px; letter-spacing: 2px; }
.reviews__google-text { font-size: 14px; color: var(--text-muted); }
.reviews__google-text strong { color: var(--white); }
.reviews__carousel { overflow: hidden; margin: 0 -12px; }
.reviews__track { display: flex; transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
.review-card { flex: 0 0 calc(33.333% - 24px); margin: 0 12px; padding: 28px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); transition: var(--transition); }
.review-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.review-card__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.review-card__stars { color: #DC2626; font-size: 16px; letter-spacing: 1px; }
.review-card__verified { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 600; color: var(--green); background: var(--green-bg); padding: 3px 8px; border-radius: 4px; }
.review-card__model { font-size: 12px; color: var(--accent); font-weight: 500; margin-bottom: 8px; }
.review-card__text { font-size: 14px; color: var(--text); line-height: 1.7; margin-bottom: 16px; min-height: 72px; }
.review-card__footer { display: flex; align-items: center; justify-content: space-between; }
.review-card__author { display: flex; align-items: center; gap: 10px; }
.review-card__avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--gradient-accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; }
.review-card__author strong { display: block; font-size: 13px; color: var(--white); }
.review-card__author span { font-size: 11px; color: var(--text-dim); }
.review-card__date { font-size: 11px; color: var(--text-dim); }
.reviews__controls { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 32px; }
.reviews__arrow { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--text-muted); transition: var(--transition); }
.reviews__arrow:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.reviews__dots { display: flex; gap: 8px; }
.reviews__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-dim); transition: var(--transition); cursor: pointer; }
.reviews__dot.active { background: var(--accent); width: 24px; border-radius: 4px; }

/* ============ SELECTION ============ */
.selection {
  padding: 100px 0; color: #e2e8f0; position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(37,99,235,0.1) 0%, transparent 50%),
    radial-gradient(ellipse 50% 50% at 90% 10%, rgba(220,38,38,0.08) 0%, transparent 50%),
    radial-gradient(circle 1.5px at 24px 24px, rgba(37,99,235,0.06) 1px, transparent 1px),
    #0F172A;
  background-size: 100% 100%, 100% 100%, 48px 48px, 100% 100%;
}
.selection::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, #2563EB 30%, #DC2626 70%, transparent);
}
.selection .section-tag { background: rgba(59,130,246,0.15); border-color: rgba(59,130,246,0.3); color: #60a5fa; }
.selection__inner { display: grid; grid-template-columns: 1fr 420px; gap: 60px; align-items: center; padding: 60px; background: linear-gradient(135deg, rgba(59,130,246,0.08) 0%, rgba(59,130,246,0.03) 100%); border: 1px solid rgba(51,65,85,0.5); border-radius: var(--radius-xl); }
.selection__content h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; color: #fff; margin-bottom: 16px; line-height: 1.2; }
.selection__content p { font-size: 16px; color: #94a3b8; margin-bottom: 24px; }
.selection__perks { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.selection__perks li { display: flex; align-items: center; gap: 10px; font-size: 15px; color: #e2e8f0; }
.selection__messengers { display: flex; align-items: center; gap: 12px; margin-top: 24px; padding-top: 20px; border-top: 1px solid rgba(51,65,85,0.5); font-size: 14px; color: #94a3b8; }
.selection__messengers a { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); border-radius: 8px; color: #fff; font-weight: 500; font-size: 13px; transition: var(--transition); }
.selection__messengers a:hover { background: rgba(255,255,255,0.15); }
.selection__form { padding: 32px; background: rgba(30,41,59,0.8); border: 1px solid rgba(51,65,85,0.5); border-radius: var(--radius-lg); }
.selection__form h3 { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 20px; text-align: center; }
.selection .form-input { background: rgba(15,23,42,0.6); border-color: rgba(51,65,85,0.5); color: #fff; }
.selection .form-input::placeholder { color: #64748b; }
.selection .form-input:focus { border-color: #3B82F6; box-shadow: 0 0 0 3px rgba(59,130,246,0.2); }
.selection__social-proof { text-align: center; font-size: 12px; color: #64748b; margin-top: 12px; }

/* ============ FORMS ============ */
.form-group { margin-bottom: 12px; }
.form-input { width: 100%; padding: 14px 18px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); color: var(--white); font-size: 15px; transition: var(--transition); outline: none; }
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form-input::placeholder { color: var(--text-dim); }

/* ============ HOW ============ */
.how {
  padding: 100px 0; position: relative;
  background:
    radial-gradient(ellipse 50% 50% at 50% 0%, rgba(59,130,246,0.04) 0%, transparent 60%),
    repeating-linear-gradient(90deg, transparent, transparent 119px, rgba(15,23,42,0.02) 119px, rgba(15,23,42,0.02) 120px),
    var(--bg);
}
.how::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 10%, rgba(15,23,42,0.08) 50%, transparent 90%);
}
.how__steps { display: flex; align-items: flex-start; justify-content: center; gap: 16px; margin-bottom: 48px; }
.how__step { text-align: center; flex: 0 0 200px; }
.how__step-num { width: 40px; height: 40px; border-radius: 50%; background: var(--gradient-red); color: #fff; font-weight: 800; font-size: 18px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.how__step-icon { color: var(--text-muted); margin-bottom: 16px; display: flex; justify-content: center; }
.how__step h4 { font-size: 16px; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.how__step p { font-size: 13px; color: var(--text-muted); line-height: 1.5; }
.how__step-arrow { flex-shrink: 0; color: var(--text-dim); padding-top: 50px; }
.how__cta { text-align: center; }

/* ============ FAQ ============ */
.faq {
  padding: 100px 0; position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 50% 40% at 80% 90%, rgba(59,130,246,0.04) 0%, transparent 50%),
    radial-gradient(ellipse 40% 50% at 20% 10%, rgba(22,163,74,0.03) 0%, transparent 50%),
    linear-gradient(180deg, #FFFFFF 0%, #F9FAFB 100%);
}
.faq::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 200px;
  background: radial-gradient(ellipse 100% 100% at 50% 100%, rgba(59,130,246,0.03) 0%, transparent 70%);
  pointer-events: none;
}
.faq__list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 8px; }
.faq__item { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.faq__item.open { border-color: var(--red); box-shadow: 0 2px 12px rgba(220,38,38,0.08); }
.faq__question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; background: transparent; font-size: 16px; font-weight: 600; color: var(--white); text-align: left; cursor: pointer; transition: var(--transition); }
.faq__question:hover { color: var(--accent); }
.faq__icon { width: 24px; height: 24px; flex-shrink: 0; transition: transform 0.3s ease; color: var(--text-dim); }
.faq__item.open .faq__icon { transform: rotate(45deg); color: var(--red); }
.faq__answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq__answer-inner { padding: 0 24px 20px; font-size: 15px; color: var(--text-muted); line-height: 1.7; }

/* ============ CERTIFICATES ============ */
.certificates {
  padding: 100px 0; color: #e2e8f0; position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 50% 50% at 10% 20%, rgba(37,99,235,0.08) 0%, transparent 50%),
    radial-gradient(ellipse 40% 40% at 90% 80%, rgba(220,38,38,0.05) 0%, transparent 50%),
    repeating-linear-gradient(135deg, transparent, transparent 79px, rgba(255,255,255,0.015) 79px, rgba(255,255,255,0.015) 80px),
    linear-gradient(135deg, #0F172A 0%, #0C1322 50%, #0F172A 100%);
}
.certificates::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, #2563EB 30%, #DC2626 70%, transparent);
}
.certificates .section-tag { background: rgba(59,130,246,0.15); border-color: rgba(59,130,246,0.3); color: #60a5fa; }
.certificates .section-title { color: #fff; }
.certificates .section-subtitle { color: #94a3b8; }
.certificates__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cert-card { border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(51,65,85,0.5); transition: var(--transition); cursor: pointer; }
.cert-card:hover { border-color: var(--accent); transform: scale(1.03); box-shadow: var(--shadow); }
.cert-card img { width: 100%; height: 200px; object-fit: cover; transition: var(--transition); }
.cert-card:hover img { transform: scale(1.05); }

/* ============ CONTACTS ============ */
.contacts {
  padding: 100px 0; position: relative;
  background:
    radial-gradient(ellipse 50% 50% at 100% 50%, rgba(59,130,246,0.04) 0%, transparent 60%),
    radial-gradient(circle 1.5px at 20px 20px, rgba(15,23,42,0.03) 1px, transparent 1px),
    var(--bg);
  background-size: 100% 100%, 40px 40px, 100% 100%;
}
.contacts::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 10%, rgba(15,23,42,0.08) 50%, transparent 90%);
}
.contacts__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contacts__list { display: flex; flex-direction: column; gap: 24px; margin-top: 24px; }
.contacts__item { display: flex; gap: 16px; align-items: flex-start; }
.contacts__item svg { flex-shrink: 0; color: var(--accent); margin-top: 2px; }
.contacts__item strong { display: block; font-size: 14px; color: var(--white); margin-bottom: 2px; }
.contacts__item p { font-size: 14px; color: var(--text-muted); }
.contacts__item a { color: var(--accent); transition: var(--transition); }
.contacts__item a:hover { text-decoration: underline; }
.contacts__socials { display: flex; gap: 12px; margin-top: 32px; }
.contacts__social { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--text-muted); transition: var(--transition); }
.contacts__social:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.contacts__map-placeholder { position: relative; height: 100%; min-height: 360px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; display: flex; align-items: center; justify-content: center; }
.contacts__map-img { width: 100%; height: 100%; object-fit: cover; }
.contacts__map-overlay { position: absolute; bottom: 24px; left: 24px; right: 24px; padding: 16px 20px; background: rgba(249,250,251,0.92); backdrop-filter: blur(12px); border: 1px solid var(--border); border-radius: var(--radius); display: flex; align-items: center; gap: 12px; }
.contacts__map-overlay p { font-size: 14px; color: var(--white); font-weight: 500; }
.contacts__map-fallback { background: linear-gradient(135deg, var(--bg-card) 0%, var(--surface) 100%); flex-direction: column; gap: 16px; text-align: center; }
.contacts__map-fallback .contacts__map-overlay { position: static; flex-direction: column; text-align: center; }

/* ============ FINAL CTA ============ */
.final-cta {
  padding: 100px 0; position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 30% 80%, rgba(37,99,235,0.12) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(220,38,38,0.08) 0%, transparent 50%),
    linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #fff;
}
.final-cta::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, #2563EB 30%, #DC2626 70%, transparent);
}
.final-cta__inner {
  display: grid; grid-template-columns: 1fr 400px; gap: 60px; align-items: center;
}
.final-cta__text h2 {
  font-size: clamp(26px, 3.5vw, 36px); font-weight: 800; color: #fff; margin-bottom: 16px; line-height: 1.2;
}
.final-cta__text p {
  font-size: 16px; color: #94a3b8; line-height: 1.7;
}
.final-cta__text p strong { color: #EF4444; }
.final-cta__form {
  padding: 36px; background: rgba(30,41,59,0.7); border: 1px solid rgba(51,65,85,0.5);
  border-radius: var(--radius-lg); backdrop-filter: blur(8px);
}
.final-cta__form .form-input {
  background: rgba(15,23,42,0.6); border-color: rgba(51,65,85,0.5); color: #fff;
}
.final-cta__form .form-input::placeholder { color: #64748b; }
.final-cta__form .form-input:focus { border-color: #3B82F6; box-shadow: 0 0 0 3px rgba(59,130,246,0.2); }
.final-cta__note {
  text-align: center; font-size: 12px; color: #64748b; margin-top: 12px;
}
@media (max-width: 1024px) {
  .final-cta__inner { grid-template-columns: 1fr; text-align: center; }
  .final-cta__form { max-width: 440px; margin: 0 auto; }
}
@media (max-width: 768px) {
  .final-cta__inner { gap: 32px; }
  .final-cta__form { padding: 24px; }
}

/* ============ FOOTER ============ */
.footer {
  padding: 40px 0; color: #94A3B8; position: relative;
  background:
    radial-gradient(ellipse 60% 80% at 30% 0%, rgba(37,99,235,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 70% 0%, rgba(220,38,38,0.04) 0%, transparent 60%),
    linear-gradient(180deg, #0C1322 0%, #0F172A 100%);
}
.footer::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, #2563EB 30%, #DC2626 70%, transparent);
}
.footer .logo { color: #fff; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; }
.footer__brand p { font-size: 13px; color: #64748B; margin-top: 8px; }
.footer__copy { font-size: 13px; color: var(--text-dim); }

/* ============ FLOATING CTA ============ */
.floating-cta { position: fixed; bottom: 100px; right: 24px; z-index: 900; opacity: 0; transform: scale(0.8); transition: var(--transition); pointer-events: none; }
.floating-cta.visible { opacity: 1; transform: scale(1); pointer-events: all; }
.floating-cta__btn { width: 56px; height: 56px; border-radius: 50%; background: var(--gradient-red); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 20px rgba(220,38,38,0.25); transition: var(--transition); animation: floatBadge 3s ease-in-out infinite; }
.floating-cta__btn:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(220,38,38,0.35); }

/* ============ DISCOUNT BANNER ============ */
.discount-banner { position: fixed; bottom: 0; left: 0; right: 0; z-index: 950; background: rgba(15,23,42,0.97); backdrop-filter: blur(20px); border-top: 1px solid rgba(59,130,246,0.2); color: #E2E8F0; padding: 14px 0; transform: translateY(100%); transition: transform 0.5s ease; }
.discount-banner.visible { transform: translateY(0); }
.discount-banner__inner { display: flex; align-items: center; justify-content: center; gap: 24px; }
.discount-banner__content { display: flex; align-items: center; gap: 12px; font-size: 14px; }
.discount-banner__icon { font-size: 20px; }
.discount-banner__timer { font-family: var(--font-mono); font-size: 16px; font-weight: 700; color: #EF4444; padding: 4px 12px; background: rgba(220,38,38,0.15); border-radius: 6px; }
.discount-banner__close { font-size: 24px; color: #64748b; padding: 4px; transition: var(--transition); }
.discount-banner__close:hover { color: #fff; }

/* ============ TOAST ============ */
.toast { position: fixed; bottom: 24px; left: 24px; z-index: 1100; padding: 14px 20px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 12px; max-width: 360px; transform: translateX(-120%); opacity: 0; transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
.toast.visible { transform: translateX(0); opacity: 1; }
.toast__icon { width: 36px; height: 36px; border-radius: 50%; background: var(--green-bg); color: var(--green); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.toast__text { font-size: 13px; color: var(--text); line-height: 1.4; }
.toast__text strong { color: var(--white); }
.toast__time { font-size: 11px; color: var(--text-dim); margin-top: 2px; }

/* ============ EXIT INTENT ============ */
.exit-overlay { position: fixed; inset: 0; z-index: 2100; background: rgba(15,23,42,0.6); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: var(--transition); padding: 24px; }
.exit-overlay.open { opacity: 1; pointer-events: all; }
.exit-popup { background: #fff; border-radius: var(--radius-xl); padding: 48px 40px; max-width: 440px; width: 100%; text-align: center; position: relative; transform: translateY(20px) scale(0.95); transition: var(--transition); }
.exit-overlay.open .exit-popup { transform: translateY(0) scale(1); }
.exit-popup__close { position: absolute; top: 16px; right: 16px; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--text-dim); transition: var(--transition); }
.exit-popup__close:hover { color: var(--white); border-color: var(--white); }
.exit-popup__discount { display: inline-block; font-family: var(--font-mono); font-size: 48px; font-weight: 700; color: var(--red); margin-bottom: 12px; }
.exit-popup h3 { font-size: 22px; font-weight: 800; color: var(--white); margin-bottom: 8px; }
.exit-popup p { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }
.exit-popup .form-input { text-align: center; }

/* ============ MODAL ============ */
.modal-overlay { position: fixed; inset: 0; z-index: 2000; background: rgba(15,23,42,0.5); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: var(--transition); padding: 24px; }
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 40px; max-width: 440px; width: 100%; position: relative; transform: translateY(20px) scale(0.95); transition: var(--transition); }
.modal-overlay.open .modal { transform: translateY(0) scale(1); }
.modal__close { position: absolute; top: 16px; right: 16px; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--text-dim); transition: var(--transition); }
.modal__close:hover { color: var(--white); border-color: var(--white); }
.modal__content h3 { font-size: 24px; font-weight: 800; color: var(--white); margin-bottom: 8px; }
.modal__content p { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }
.modal__form .form-group { margin-bottom: 12px; }
.modal__success { text-align: center; padding: 20px 0; }
.modal__success-icon { margin-bottom: 20px; }
.modal__success h3 { font-size: 24px; font-weight: 800; color: var(--white); margin-bottom: 8px; }
.modal__success p { font-size: 14px; color: var(--text-muted); }

/* ============ MOBILE CTA BAR ============ */
.mobile-cta { display: none; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__subtitle { margin: 0 auto 32px; }
  .hero__form { margin: 0 auto 24px; }
  .hero__form-row { flex-direction: column; }
  .hero__trust { justify-content: center; }
  .hero__badges { justify-content: center; }
  .hero__visual { display: none; }
  .products__grid { grid-template-columns: 1fr 1fr; }
  .product-card--featured { transform: none; }
  .product-card--featured:hover { transform: translateY(-4px); }
  .advantages__grid { grid-template-columns: repeat(2, 1fr); }
  .inside__content { grid-template-columns: 1fr; }
  .selection__inner { grid-template-columns: 1fr; padding: 40px; }
  .how__steps { flex-wrap: wrap; gap: 24px; }
  .how__step-arrow { display: none; }
  .how__step { flex: 0 0 calc(50% - 12px); }
  .certificates__grid { grid-template-columns: repeat(2, 1fr); }
  .contacts__inner { grid-template-columns: 1fr; }
  .stats__inner { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .header__cta { display: none; }
  .burger { display: flex; }
  .nav.open { display: flex; flex-direction: column; position: fixed; top: 60px; left: 0; right: 0; background: rgba(249,250,251,0.98); backdrop-filter: blur(20px); padding: 24px; gap: 16px; border-bottom: 1px solid var(--border); animation: fadeInUp 0.3s ease; }
  .nav.open .nav__link { color: var(--text-muted); }
  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero__title { font-size: 32px; }
  .products__grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .advantages__grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .how__step { flex: 0 0 100%; }
  .review-card { flex: 0 0 calc(100% - 24px); }
  .selection__inner { padding: 24px; }
  .certificates__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { flex-direction: column; gap: 16px; text-align: center; }
  .discount-banner__inner { flex-wrap: wrap; gap: 12px; }
  .toast { bottom: 80px; left: 12px; right: 12px; max-width: none; }
  .mobile-cta { display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 960; padding: 12px 16px; background: rgba(15,23,42,0.97); backdrop-filter: blur(12px); border-top: 1px solid rgba(59,130,246,0.2); gap: 10px; align-items: center; }
  .mobile-cta__btn { flex: 1; }
  .mobile-cta__phone { width: 48px; height: 48px; border-radius: 50%; background: rgba(59,130,246,0.15); color: #3B82F6; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
  .floating-cta { display: none; }
  .discount-banner { display: none; }
}

@media (max-width: 480px) {
  .stats__inner { grid-template-columns: 1fr 1fr; gap: 24px; }
  .hero__trust { flex-direction: column; align-items: center; }
}

/* ============ PARTICLES ============ */
.particle { position: absolute; width: 3px; height: 3px; background: #2563EB; border-radius: 50%; opacity: 0; animation: particleFloat 6s ease-in-out infinite; }
.particle:nth-child(odd) { background: #DC2626; }
.particle:nth-child(3n) { background: #fff; }
@keyframes particleFloat { 0% { opacity: 0; transform: translateY(0) scale(0); } 10% { opacity: 0.6; transform: scale(1); } 90% { opacity: 0.3; } 100% { opacity: 0; transform: translateY(-200px) scale(0); } }

/* ============ FLOATING BATTERIES ============ */
.hero__batteries { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.flying-battery {
  position: absolute;
  opacity: 0;
  animation: batteryFloat linear infinite;
}
.flying-battery svg { filter: drop-shadow(0 0 12px rgba(59,130,246,0.5)); }
.flying-battery:nth-child(odd) svg { filter: drop-shadow(0 0 12px rgba(220,38,38,0.45)); }

@keyframes batteryFloat {
  0%   { opacity: 0; transform: translateY(20px) rotate(0deg) scale(0.8); }
  8%   { opacity: 0.45; }
  50%  { opacity: 0.35; transform: translateY(-50vh) rotate(180deg) scale(1.1); }
  92%  { opacity: 0.2; }
  100% { opacity: 0; transform: translateY(-110vh) rotate(360deg) scale(0.8); }
}