:root {
  --accent: #16a34a;
  --accent-strong: #15803d;
  --accent-dark: #166534;
  --accent-soft: #f0fdf4;
  --ink: #0b0b0d;
  --ink-soft: #111318;
  --text: #374151;
  --muted: #6b7280;
  --light: #f5f5f4;
  --border: #e7e5e4;
  --radius: 16px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(11, 11, 13, 0.06);
  --shadow: 0 14px 40px rgba(11, 11, 13, 0.1);
  --shadow-lg: 0 24px 60px rgba(11, 11, 13, 0.14);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Manrope", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Arial, sans-serif;
  color: var(--text);
  line-height: 1.65;
  background: #fff;
  font-size: 16px;
}

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

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

svg {
  flex-shrink: 0;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

/* ======= Reveal animations ======= */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ======= Keyframes ======= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: none; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-34px, 30px) scale(1.08); }
}

@keyframes btnShine {
  0%, 55% { transform: translateX(-130%); }
  90%, 100% { transform: translateX(130%); }
}

@keyframes batteryFloat {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-16px) rotate(4deg); }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ======= Header ======= */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
  animation: fadeIn 0.6s ease both;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 21px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.logo__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 6px 16px rgba(22, 163, 74, 0.4);
}

.logo__icon svg {
  width: 24px;
  height: 24px;
}

.logo__text span {
  color: var(--accent);
}

.nav__list {
  display: flex;
  gap: 26px;
  list-style: none;
}

.nav__list a {
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  transition: color 0.2s;
}

.nav__list a:hover {
  color: var(--accent);
}

.header__phone a {
  font-weight: 800;
  font-size: 16px;
  color: var(--ink);
  white-space: nowrap;
  transition: color 0.2s;
}

.header__phone a:hover {
  color: var(--accent);
}

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
}

.burger span {
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.burger.burger--active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.burger--active span:nth-child(2) { opacity: 0; }
.burger.burger--active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ======= Buttons ======= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border: none;
  border-radius: 14px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 10px 24px rgba(22, 163, 74, 0.4);
  position: relative;
  overflow: hidden;
}

.btn--primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: translateX(-130%);
  animation: btnShine 3.2s ease infinite;
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(22, 163, 74, 0.5);
}

.btn--ghost {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

.btn--block {
  width: 100%;
}

/* ======= Hero ======= */
.hero {
  position: relative;
  background: linear-gradient(165deg, #05070b 0%, #0c1613 55%, #04070b 100%);
  padding: 96px 0 110px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(420px 300px at 18% 88%, rgba(34, 197, 94, 0.28), transparent 70%),
    radial-gradient(520px 380px at 82% 12%, rgba(22, 163, 74, 0.25), transparent 70%),
    radial-gradient(360px 300px at 55% 50%, rgba(16, 185, 129, 0.16), transparent 70%);
  animation: aurora 14s ease-in-out infinite alternate;
  mix-blend-mode: screen;
}

.hero::after {
  content: "";
  position: absolute;
  inset: -30%;
  background:
    radial-gradient(50% 40% at 30% 70%, rgba(34, 197, 94, 0.12), transparent 70%),
    radial-gradient(50% 40% at 75% 25%, rgba(132, 204, 22, 0.1), transparent 70%);
  animation: aurora 18s ease-in-out infinite alternate-reverse;
  pointer-events: none;
}

@keyframes aurora {
  0% { transform: translate3d(0, 0, 0) scale(1); opacity: 0.7; }
  50% { transform: translate3d(-2%, 2%, 0) scale(1.08); opacity: 1; }
  100% { transform: translate3d(2%, -2%, 0) scale(1.02); opacity: 0.8; }
}

.hero__decor--grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(74, 222, 128, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 222, 128, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 70% 40%, #000 25%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, #000 25%, transparent 70%);
}

.hero__decor--blob {
  position: absolute;
  width: 560px;
  height: 560px;
  right: -140px;
  top: -160px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.3), transparent 65%);
  border-radius: 50%;
  filter: blur(30px);
  animation: blobFloat 9s ease-in-out infinite;
}

.hero__decor--battery {
  position: absolute;
  right: 6%;
  bottom: -64px;
  width: 230px;
  height: 230px;
  color: rgba(22, 163, 74, 0.16);
  animation: batteryFloat 11s ease-in-out infinite;
}

.hero__decor--battery svg {
  width: 100%;
  height: 100%;
}

.hero__charge,
.battery-card,
.hero__decor--gear {
  translate: var(--px, 0px) var(--py, 0px);
}

.hero__charge {
  position: absolute;
  right: 20%;
  top: 6%;
  width: 110px;
  opacity: 0.95;
  animation: chargeFloat 6s ease-in-out infinite;
  filter: drop-shadow(0 0 22px rgba(34, 197, 94, 0.55)) drop-shadow(0 18px 30px rgba(22, 163, 74, 0.3));
}

.battery-card {
  position: absolute;
  right: 7%;
  top: 40%;
  width: 190px;
  padding: 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(74, 222, 128, 0.35);
  backdrop-filter: blur(8px);
  box-shadow: 0 0 44px rgba(34, 197, 94, 0.3), inset 0 0 26px rgba(34, 197, 94, 0.1);
  animation: cardFloat 7s ease-in-out infinite;
  color: #fff;
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

.battery-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: #6ee7b7;
}

.battery-card__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 12px #4ade80;
  animation: pulse 1.4s infinite;
}

.battery-card__pct {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 14px 0 12px;
}

.battery-card__pct b {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
}

.battery-card__pct span {
  font-size: 18px;
  font-weight: 800;
  color: #4ade80;
}

.battery-card__bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.battery-card__bar i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #16a34a, #4ade80, #a3e635);
  animation: barGrow 3.6s ease-in-out infinite;
  box-shadow: 0 0 12px #4ade80;
}

@keyframes barGrow {
  0%, 100% { width: 16%; }
  65%, 85% { width: 99%; }
}

.battery-card__bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #5eead4;
}

@keyframes chargeFloat {
  0%, 100% { transform: translateY(0) rotate(-5deg); }
  50% { transform: translateY(-18px) rotate(5deg); }
}

.hero__charge .fill-bar {
  animation: fillBar 2.4s ease-in-out infinite;
}

@keyframes fillBar {
  0%, 80%, 100% { transform: scaleY(0.3); opacity: 0.5; }
  30%, 55% { transform: scaleY(1); opacity: 1; }
}

.hero__charge .bolt {
  animation: boltFlash 2.4s ease-in-out infinite;
}

@keyframes boltFlash {
  0%, 90%, 100% { opacity: 0.05; }
  10%, 30% { opacity: 1; }
}

.particle {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(22, 163, 74, 0.55);
  animation: rise 5s linear infinite;
  opacity: 0;
}

.particle--big {
  width: 12px;
  height: 12px;
  background: rgba(22, 163, 74, 0.35);
}

@keyframes rise {
  0% { transform: translateY(0) scale(1); opacity: 0; }
  12% { opacity: 0.85; }
  100% { transform: translateY(-160px) scale(0.35); opacity: 0; }
}

.hero__gears {
  position: absolute;
  left: 4%;
  top: 10%;
  pointer-events: none;
  color: rgba(22, 163, 74, 0.14);
}

.gear {
  position: absolute;
  display: block;
}

.gear svg {
  width: 100%;
  height: 100%;
}

.gear--big {
  width: 110px;
  height: 110px;
  animation: spin 26s linear infinite;
}

.gear--small {
  width: 64px;
  height: 64px;
  left: 88px;
  top: 68px;
  animation: spin 18s linear infinite reverse;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  width: 28px;
  height: 46px;
  border: 2px solid rgba(22, 163, 74, 0.5);
  border-radius: 999px;
  animation: hintFade 2.4s ease-in-out infinite;
}

.scroll-hint span {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 4px;
  height: 9px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: var(--accent);
  animation: hintDot 1.6s ease-in-out infinite;
}

@keyframes hintDot {
  0% { transform: translate(-50%, 0); opacity: 1; }
  70% { transform: translate(-50%, 16px); opacity: 0; }
  100% { transform: translate(-50%, 16px); opacity: 0; }
}

@keyframes hintFade {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 70px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(34px, 4.8vw, 54px);
  line-height: 1.1;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  animation: fadeUp 0.7s ease 0.12s both;
}

.hero h1 .accent {
  background: linear-gradient(90deg, #22c55e, #4ade80, #a3e635, #22c55e);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientShift 6s linear infinite;
}

@keyframes gradientShift {
  from { background-position: 0% center; }
  to { background-position: 300% center; }
}

.hero__content > p {
  font-size: 18px;
  color: #cbd5e1;
  max-width: 540px;
  margin-bottom: 34px;
  animation: fadeUp 0.7s ease 0.22s both;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(74, 222, 128, 0.4);
  color: #86efac;
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 0 24px rgba(34, 197, 94, 0.25);
  margin-bottom: 22px;
  animation: fadeUp 0.6s ease both;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  animation: pulse 1.6s infinite;
  box-shadow: 0 0 12px #4ade80;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.6; }
}

.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeUp 0.7s ease 0.32s both;
}

.hero__meta {
  display: flex;
  gap: 22px;
  margin-top: 26px;
  color: #94a3b8;
  font-size: 14px;
  font-weight: 600;
  animation: fadeUp 0.7s ease 0.42s both;
}

.hero__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  min-width: 250px;
}

.hero__stats .stat:nth-child(1) { animation: fadeUp 0.7s ease 0.15s both; }
.hero__stats .stat:nth-child(2) { animation: fadeUp 0.7s ease 0.3s both; }
.hero__stats .stat:nth-child(3) { animation: fadeUp 0.7s ease 0.45s both; }

.stat {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 26px;
  box-shadow: var(--shadow);
  transition: transform 0.25s, box-shadow 0.25s;
}

.stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat b {
  display: block;
  font-size: 28px;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.stat span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

/* ======= Brands marquee ======= */
.brands {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  overflow: hidden;
}

.brands__marquee {
  display: flex;
  gap: 54px;
  align-items: center;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  width: max-content;
}

.brands__marquee span {
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #a8a29e;
  transition: color 0.2s;
}

.brands__marquee span:hover {
  color: var(--accent);
}

/* ======= Sections head ======= */
.section-head {
  text-align: center;
  margin-bottom: 50px;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 12px;
}

.section-head p {
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto;
}

.section-head--light h2 {
  color: #fff;
}

.section-head--light p {
  color: #a8a29e;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-tag--light {
  background: rgba(22, 163, 74, 0.15);
  color: #4ade80;
}

/* ======= Services ======= */
.services {
  padding: 100px 0 90px;
  position: relative;
  overflow: hidden;
}

.services__rings {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 900px;
  height: 900px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: ringsSpin 40s linear infinite;
}

.services__rings span {
  position: absolute;
  inset: 0;
  border: 2px dashed rgba(22, 163, 74, 0.1);
  border-radius: 50%;
  animation: ringsSpin 26s linear infinite reverse;
}

.services__rings span:nth-child(1) { inset: 260px; animation-duration: 18s; }
.services__rings span:nth-child(2) { inset: 130px; animation-duration: 24s; }
.services__rings span:nth-child(3) { inset: 0; animation-duration: 34s; }

@keyframes ringsSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

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

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 26px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateY(var(--lift, 0));
  transition: transform 0.35s ease, box-shadow 0.3s, border-color 0.3s;
  will-change: transform;
}

@property --angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: conic-gradient(from var(--angle), transparent 0 72%, #22c55e 86%, #a3e635 92%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s;
  animation: spinBorder 3.2s linear infinite;
  pointer-events: none;
}

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

@keyframes spinBorder {
  to { --angle: 360deg; }
}

.card:hover {
  --lift: -6px;
  box-shadow: var(--shadow-lg);
  border-color: rgba(22, 163, 74, 0.4);
}

.card__icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 20px;
  transition: background 0.3s, color 0.3s, transform 0.3s;
  animation: iconFloat 5s ease-in-out infinite;
}

.card:nth-child(even) .card__icon {
  animation-delay: 1.2s;
}

.card:nth-child(3n) .card__icon {
  animation-delay: 2.4s;
}

@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

.card__icon svg {
  width: 30px;
  height: 30px;
}

.card:hover .card__icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  animation-play-state: paused;
  transform: scale(1.06) rotate(-4deg);
}

.card h3 {
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.card p {
  font-size: 14px;
  color: var(--muted);
  flex: 1;
  margin-bottom: 18px;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 800;
  color: var(--accent);
}

.card__link svg {
  width: 15px;
  height: 15px;
  transition: transform 0.25s;
}

.card:hover .card__link svg {
  transform: translateX(4px);
}

/* ======= Benefits ======= */
.benefits {
  background: linear-gradient(135deg, #0b0b0d 0%, #16181d 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.benefits::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  right: -180px;
  bottom: -180px;
  background: radial-gradient(circle, rgba(22, 163, 74, 0.16), transparent 65%);
  border-radius: 50%;
}

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

.benefit {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: background 0.3s, transform 0.3s, border-color 0.3s;
}

.benefit:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(22, 163, 74, 0.5);
  transform: translateY(-6px);
}

.benefit__icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: rgba(22, 163, 74, 0.16);
  color: #4ade80;
  margin-bottom: 20px;
}

.benefit__icon::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  border: 2px solid rgba(74, 222, 128, 0.35);
  animation: fabPulse 2.6s ease-out infinite;
}

.benefit__icon svg {
  width: 30px;
  height: 30px;
}

.benefit h3 {
  color: #fff;
  font-size: 19px;
  margin-bottom: 8px;
}

.benefit p {
  color: #a8a29e;
  font-size: 15px;
}

/* ======= How ======= */
.how {
  padding: 100px 0;
}

.how__steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
  list-style: none;
  counter-reset: step;
}

.how__steps li {
  position: relative;
  padding: 28px 24px;
  background: var(--light);
  border-radius: var(--radius-lg);
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
  border-top: 3px solid transparent;
}

.how__steps li:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  background: #fff;
  border-top-color: var(--accent);
}

.how__num {
  display: inline-grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 16px;
}

.how__steps h3 {
  color: var(--ink);
  font-size: 18px;
  margin-bottom: 8px;
}

.how__steps p {
  font-size: 14px;
  color: var(--muted);
}

/* ======= Prices ======= */
.prices {
  padding: 100px 0;
  background: var(--light);
  position: relative;
  overflow: hidden;
}

.prices::before {
  content: "";
  position: absolute;
  inset: -60px 0;
  background: repeating-linear-gradient(
    -45deg,
    rgba(22, 163, 74, 0.05) 0 18px,
    transparent 18px 36px
  );
  animation: stripes 26s linear infinite;
  pointer-events: none;
}

@keyframes stripes {
  from { transform: translateX(0); }
  to { transform: translateX(-50.4px); }
}

.prices .container {
  position: relative;
}

.prices__wrap {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 30px;
  align-items: stretch;
}

.prices__table {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.price-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 17px 26px;
  border-top: 1px solid var(--border);
  font-weight: 600;
  color: var(--ink);
  transition: background 0.2s;
}

.price-row:hover {
  background: var(--accent-soft);
}

.price-row:first-child {
  border-top: none;
}

.price-row span:last-child {
  color: var(--accent);
  font-weight: 800;
  white-space: nowrap;
}

.price-row--head {
  background: var(--ink);
  color: #fff;
}

.price-row--head:hover {
  background: var(--ink);
}

.price-row--head span:last-child {
  color: #4ade80;
}

.prices__note {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  color: #fff;
  box-shadow: var(--shadow);
}

.prices__note-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.18);
  margin-bottom: 6px;
}

.prices__note-icon svg {
  width: 28px;
  height: 28px;
}

.prices__battery {
  position: absolute;
  right: 26px;
  top: 26px;
  width: 46px;
  opacity: 0.9;
  animation: chargeFloat 5s ease-in-out infinite;
}

.prices__battery svg {
  width: 100%;
}

.prices__battery .prices__fill {
  animation: fillBar 2.6s ease-in-out infinite;
}

.prices__battery .prices__bolt {
  animation: boltFlash 2.6s ease-in-out infinite;
}

.prices__note h3 {
  font-size: 22px;
}

.prices__note p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
}

.prices__note .btn {
  margin-top: 10px;
  align-self: flex-start;
  background: #fff;
  color: var(--accent-dark);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
}

/* ======= Reviews ======= */
.reviews {
  padding: 100px 0;
}

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

.review {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s ease, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  will-change: transform;
}

.review:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.review__stars {
  color: var(--accent);
  font-size: 18px;
  letter-spacing: 3px;
  margin-bottom: 14px;
}

.review__text {
  color: var(--text);
  font-size: 15px;
  flex: 1;
  margin-bottom: 24px;
}

.review__author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.review__avatar {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  font-weight: 800;
  font-size: 18px;
}

.review__author b {
  display: block;
  color: var(--ink);
  font-size: 15px;
}

.review__author span {
  color: var(--muted);
  font-size: 13px;
}

/* ======= Contacts ======= */
.contacts {
  padding: 100px 0 110px;
  background: var(--light);
}

.contacts__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contacts__info h2 {
  font-size: clamp(28px, 4vw, 38px);
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 12px;
}

.contacts__info > p {
  color: var(--muted);
  margin-bottom: 30px;
  max-width: 420px;
}

.contacts__list {
  list-style: none;
}

.contacts__list li {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--border);
}

.contacts__list li:last-child {
  border-bottom: none;
}

.contacts__ico {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: #fff;
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.contacts__ico svg {
  width: 24px;
  height: 24px;
}

.contacts__label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2px;
}

.contacts__list a,
.contacts__list div > span:last-child {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.contacts__list a:hover {
  color: var(--accent);
}

/* ======= Map ======= */
.map {
  margin-top: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 2px solid var(--ink);
  position: relative;
  align-self: center;
}

.map__frame {
  display: block;
  width: 100%;
  height: 400px;
  border: 0;
}

/* ======= Footer ======= */
.footer {
  background: #0b0b0d;
  color: #a8a29e;
  padding: 64px 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

.logo--light .logo__text {
  color: #fff;
}

.footer__info p {
  margin-top: 16px;
  max-width: 320px;
  font-size: 15px;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__nav a {
  font-weight: 600;
  transition: color 0.2s;
}

.footer__nav a:hover,
.footer__contact a:hover {
  color: #4ade80;
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__contact a {
  font-weight: 800;
  color: #fff;
  font-size: 17px;
}

.footer__addr {
  font-size: 14px;
  line-height: 1.7;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  font-size: 14px;
  text-align: center;
}

/* ======= Floating call button ======= */
.call-fab {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 12px 30px rgba(22, 163, 74, 0.5);
  transition: transform 0.25s, box-shadow 0.25s;
}

.call-fab::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(22, 163, 74, 0.5);
  animation: fabPulse 2s ease-out infinite;
}

@keyframes fabPulse {
  0% { transform: scale(1); opacity: 0.9; }
  100% { transform: scale(1.7); opacity: 0; }
}

.call-fab:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 18px 40px rgba(22, 163, 74, 0.6);
}

.call-fab svg {
  width: 26px;
  height: 26px;
}

/* ======= Responsive ======= */
@media (max-width: 992px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .benefits__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .how__steps {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .reviews__grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }

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

  .hero__stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero__decor--battery {
    display: none;
  }

  .hero__charge {
    display: none;
  }

  .battery-card {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 71px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 20px;
    transform: translateY(-130%);
    transition: transform 0.3s;
    box-shadow: var(--shadow);
  }

  .nav.nav--open {
    transform: translateY(0);
  }

  .nav__list {
    flex-direction: column;
    gap: 16px;
  }

  .header__phone {
    display: none;
  }

  .burger {
    display: flex;
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .hero {
    padding: 64px 0 70px;
  }

  .contacts__inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }

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

@media (max-width: 520px) {
  .services__grid {
    grid-template-columns: 1fr;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    text-align: center;
  }

  .hero__meta {
    flex-direction: column;
    gap: 8px;
  }
}

/* ======= Extra animations ======= */
/* Preloader */
.loader {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  background: #05070b;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.loader--done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__icon {
  color: #4ade80;
  animation: loaderSpin 1.6s ease-in-out infinite;
}

.loader__icon svg {
  width: 52px;
  height: 52px;
}

@keyframes loaderSpin {
  0%, 100% { transform: scale(1) rotate(0deg); filter: drop-shadow(0 0 6px #22c55e); }
  50% { transform: scale(1.15) rotate(20deg); filter: drop-shadow(0 0 22px #22c55e); }
}

.loader__bar {
  width: 160px;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.loader__bar i {
  display: block;
  width: 40%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #16a34a, #4ade80);
  animation: loaderSlide 1.1s ease-in-out infinite;
}

@keyframes loaderSlide {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(410%); }
}

/* Hero circuit lines */
.hero__circuit {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  color: rgba(74, 222, 128, 0.35);
}

.circuit-line {
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-dasharray: 8 10;
  animation: circuitFlow 1.4s linear infinite;
}

@keyframes circuitFlow {
  to { stroke-dashoffset: -18; }
}

.circuit-node {
  fill: currentColor;
  animation: nodePulse 1.8s ease-in-out infinite;
}

.circuit-node:nth-child(1) { animation-delay: 0s; }
.circuit-node:nth-child(2) { animation-delay: .5s; }
.circuit-node:nth-child(3) { animation-delay: 1s; }
.circuit-node:nth-child(4) { animation-delay: 1.4s; }

@keyframes nodePulse {
  0%, 100% { opacity: .3; r: 3; }
  50% { opacity: 1; r: 6; }
}

/* Twinkling stars */
.twinkle {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 10px #4ade80, 0 0 22px rgba(74, 222, 128, 0.6);
  animation: twinkle 2.6s ease-in-out infinite;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.1; transform: scale(0.6); }
  50% { opacity: 1; transform: scale(1.3); }
}

/* Nav underline */
.nav__list a {
  position: relative;
}

.nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  height: 2px;
  width: 100%;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.nav__list a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Section tag shine */
.section-tag {
  position: relative;
  overflow: hidden;
}

.section-tag::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 25%, rgba(255, 255, 255, 0.55) 50%, transparent 75%);
  transform: translateX(-130%);
  animation: tagShine 4s ease-in-out infinite;
}

@keyframes tagShine {
  0% { transform: translateX(-130%); }
  55%, 100% { transform: translateX(130%); }
}

/* How connector line */
.how {
  position: relative;
}

.how__steps {
  position: relative;
}

.how__steps::before {
  content: "";
  position: absolute;
  top: 56px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--accent) 0 12px, transparent 12px 24px);
  opacity: 0.35;
  animation: dashMove 1.1s linear infinite;
  pointer-events: none;
}

@keyframes dashMove {
  to { background-position: 24px 0; }
}

/* Stats glow */
.stat {
  position: relative;
}

.stat::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  box-shadow: 0 0 0 rgba(74, 222, 128, 0);
  transition: box-shadow 0.3s;
}

.stat:hover::after {
  box-shadow: 0 0 30px rgba(74, 222, 128, 0.35);
}

/* Reviews */
.review__stars {
  animation: starTwinkle 2.2s ease-in-out infinite;
}

.review:hover .review__stars {
  animation-duration: 0.8s;
}

@keyframes starTwinkle {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.15); opacity: 1; text-shadow: 0 0 14px rgba(74, 222, 128, 0.8); }
}

.review__avatar {
  transition: transform 0.3s;
}

.review:hover .review__avatar {
  animation: avatarPop 0.6s ease infinite;
}

@keyframes avatarPop {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.12) rotate(4deg); }
}

/* Footer top line */
.footer {
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #4ade80, #a3e635, transparent);
  background-size: 220% 100%;
  animation: footerSweep 4s linear infinite;
}

@keyframes footerSweep {
  from { background-position: 220% 0; }
  to { background-position: -220% 0; }
}

/* Call FAB nudge */
.call-fab {
  animation: fabNudge 4.6s ease-in-out infinite;
}

@keyframes fabNudge {
  0%, 90%, 100% { transform: translateY(0); }
  93% { transform: translateY(-10px); }
  96% { transform: translateY(0); }
}

/* Energy strip */
.energy-strip {
  padding: 14px 0;
  background: linear-gradient(90deg, #052e16, #14532d, #052e16);
  overflow: hidden;
  border-top: 1px solid rgba(74, 222, 128, 0.2);
  border-bottom: 1px solid rgba(74, 222, 128, 0.2);
}

.energy-strip__track {
  display: flex;
  gap: 44px;
  width: max-content;
  animation: marquee 18s linear infinite;
}

.energy-strip__track span {
  font-size: 22px;
  animation: stripPulse 1.6s ease-in-out infinite;
}

.energy-strip__track span:nth-child(2n) {
  animation-delay: 0.5s;
}

.energy-strip__track span:nth-child(3n) {
  animation-delay: 1s;
}

@keyframes stripPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.35); opacity: 1; filter: drop-shadow(0 0 8px #4ade80); }
}

/* How li number wiggle */
.how__num {
  animation: numWiggle 5s ease-in-out infinite;
}

.how__steps li:nth-child(2n) .how__num { animation-delay: 1s; }
.how__steps li:nth-child(3n) .how__num { animation-delay: 2s; }

@keyframes numWiggle {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(-6deg) scale(1.06); }
  60% { transform: rotate(6deg) scale(1.06); }
}

/* Prices note glow pulse */
.prices__note::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.25), transparent 60%);
  animation: noteGlow 3s ease-in-out infinite;
  pointer-events: none;
}

@keyframes noteGlow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* Benefits icon twirl with hover */
.benefit__icon svg {
  transition: transform 0.4s;
}

.benefit:hover .benefit__icon svg {
  animation: iconTwirl 0.8s ease;
}

@keyframes iconTwirl {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(-25deg) scale(1.2); }
  100% { transform: rotate(0deg) scale(1); }
}

/* ======= FAQ ======= */
.faq {
  padding: 100px 0;
  background: #fff;
}

.faq__list {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq__item {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.faq__item[open] {
  background: #fff;
  border-color: rgba(22, 163, 74, 0.4);
  box-shadow: var(--shadow-sm);
}

.faq__item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
  transition: color 0.2s;
}

.faq__item summary:hover {
  color: var(--accent-dark);
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__chevron {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 18px;
  line-height: 1;
  transition: transform 0.3s, background 0.3s, color 0.3s;
  flex-shrink: 0;
}

.faq__item[open] .faq__chevron {
  transform: rotate(45deg);
  background: var(--accent);
  color: #fff;
}

.faq__item p {
  padding: 0 24px 22px;
  color: var(--muted);
  font-size: 15px;
}

/* ======= Custom cursor ======= */
body.custom-cursor,
body.custom-cursor a,
body.custom-cursor button,
body.custom-cursor summary {
  cursor: none;
}

.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  will-change: transform;
}

.cursor-dot {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: #a3e635;
  filter: drop-shadow(0 0 6px #4ade80) drop-shadow(0 0 16px rgba(163, 230, 53, 0.8));
  transition: opacity 0.25s, transform 0.15s;
}

.cursor-dot svg {
  width: 100%;
  height: 100%;
  transform: rotate(-12deg);
}

.cursor-dot--hot {
  scale: 1.4;
}

.cursor-ring {
  width: 38px;
  height: 38px;
  border: 2px solid rgba(74, 222, 128, 0.55);
  box-shadow: 0 0 18px rgba(74, 222, 128, 0.25), inset 0 0 10px rgba(74, 222, 128, 0.15);
  transition: width 0.25s, height 0.25s, border-color 0.25s, box-shadow 0.25s, opacity 0.25s;
}

.cursor-ring--hot {
  width: 56px;
  height: 56px;
  border-color: rgba(163, 230, 53, 0.9);
  box-shadow: 0 0 26px rgba(163, 230, 53, 0.45), inset 0 0 14px rgba(163, 230, 53, 0.25);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}