:root {
  color-scheme: dark;
  --ink: oklch(96% 0.015 115);
  --muted: oklch(82% 0.028 125 / 0.78);
  --soft: oklch(94% 0.035 122);
  --dark: oklch(13% 0.045 146);
  --deep: oklch(17% 0.075 151);
  --green: oklch(77% 0.205 132);
  --green-2: oklch(68% 0.18 141);
  --yellow: oklch(84% 0.17 88);
  --amber: oklch(78% 0.18 74);
  --red: oklch(62% 0.22 28);
  --blue-glass: oklch(63% 0.09 210 / 0.26);
  --panel: oklch(100% 0.008 120 / 0.12);
  --panel-strong: oklch(100% 0.012 120 / 0.18);
  --panel-deep: oklch(16% 0.052 150 / 0.72);
  --line: oklch(100% 0.012 120 / 0.22);
  --shadow: 0 32px 100px oklch(4% 0.025 150 / 0.42);
  --radius-xl: 38px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background:
    linear-gradient(118deg, oklch(12% 0.05 154), oklch(20% 0.11 149) 44%, oklch(14% 0.06 120) 72%, oklch(24% 0.12 91)),
    oklch(15% 0.06 145);
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}

body::before {
  background:
    linear-gradient(oklch(100% 0 0 / 0.055) 1px, transparent 1px),
    linear-gradient(90deg, oklch(100% 0 0 / 0.05) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(to bottom, oklch(0% 0 0 / 0.8), transparent 82%);
}

body::after {
  background:
    conic-gradient(from 130deg at 30% 18%, oklch(84% 0.17 88 / 0.16), transparent 18%, oklch(77% 0.2 132 / 0.2) 30%, transparent 48%),
    linear-gradient(105deg, transparent, oklch(74% 0.12 205 / 0.12) 36%, transparent 62%);
  filter: blur(24px);
  opacity: 0.82;
}

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

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

button,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 30;
  width: min(calc(100% - 32px), var(--max));
  min-height: 74px;
  margin: 18px auto 0;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 14px 12px 16px;
  border: 1px solid oklch(100% 0 0 / 0.18);
  border-radius: 22px;
  background: linear-gradient(120deg, oklch(16% 0.04 150 / 0.82), oklch(22% 0.08 140 / 0.58));
  box-shadow: 0 18px 60px oklch(4% 0.035 150 / 0.34), inset 0 1px 0 oklch(100% 0 0 / 0.2);
  backdrop-filter: blur(28px) saturate(150%);
}

.brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: stretch;
  overflow: hidden;
  border-radius: 8px;
  font-size: clamp(24px, 2.7vw, 38px);
  line-height: 1;
  font-weight: 950;
  letter-spacing: 0;
  box-shadow: 0 14px 35px oklch(0% 0 0 / 0.26);
}

.brand span,
.brand strong {
  padding: 8px 9px 9px;
}

.brand span {
  color: var(--yellow);
  background: oklch(8% 0.025 145);
}

.brand strong {
  color: oklch(95% 0.012 110);
  background: oklch(18% 0.052 145);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: clamp(14px, 2.8vw, 44px);
  color: oklch(91% 0.014 120 / 0.82);
  font-weight: 850;
  font-size: 18px;
}

.nav-links a {
  padding: 12px 0;
}

.header-price {
  flex: 0 0 auto;
  min-width: 150px;
  display: inline-flex;
  justify-content: center;
  padding: 18px 24px;
  border-radius: 15px;
  color: oklch(10% 0.03 120);
  background: linear-gradient(135deg, var(--green), oklch(82% 0.18 112));
  font-size: 22px;
  font-weight: 950;
  box-shadow: 0 18px 45px oklch(72% 0.18 132 / 0.26);
}

.section-shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: calc(100vh - 92px);
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(460px, 1.1fr);
  gap: 30px;
  align-items: center;
  padding: clamp(52px, 7vw, 92px) 0 clamp(48px, 6vw, 86px);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 22px -8vw 18px;
  z-index: -1;
  background:
    linear-gradient(115deg, oklch(100% 0 0 / 0.06), transparent 34%),
    linear-gradient(140deg, oklch(17% 0.09 154 / 0.55), oklch(32% 0.14 129 / 0.38) 46%, oklch(46% 0.17 88 / 0.2));
  border-top: 1px solid oklch(100% 0 0 / 0.14);
  border-bottom: 1px solid oklch(100% 0 0 / 0.1);
  backdrop-filter: blur(22px) saturate(140%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding-top: 26px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  color: var(--green);
  text-transform: uppercase;
  font-size: 15px;
  font-weight: 950;
  letter-spacing: 0.04em;
}

.eyebrow span {
  width: 42px;
  height: 5px;
  border-radius: 999px;
  background: var(--yellow);
  box-shadow: 0 0 30px oklch(84% 0.17 88 / 0.45);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(64px, 9vw, 128px);
  line-height: 0.9;
  font-weight: 970;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(38px, 5vw, 74px);
  line-height: 0.96;
  font-weight: 970;
  letter-spacing: 0;
}

.hero-lead,
.section-title p,
.power-copy > p,
.order-copy > p {
  max-width: 690px;
  color: var(--muted);
  font-size: clamp(19px, 2vw, 27px);
  line-height: 1.48;
  font-weight: 700;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 24px;
}

.hero-chips span,
.glass-tag,
.scenario span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid oklch(100% 0 0 / 0.24);
  border-radius: 999px;
  color: oklch(95% 0.02 115);
  background: linear-gradient(135deg, oklch(100% 0.01 120 / 0.18), oklch(100% 0 0 / 0.06));
  box-shadow: inset 0 1px 0 oklch(100% 0 0 / 0.22);
  backdrop-filter: blur(18px) saturate(145%);
  font-weight: 900;
}

.button {
  appearance: none;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 62px;
  padding: 0 28px;
  border-radius: 17px;
  font-weight: 950;
  letter-spacing: 0;
}

.button-primary {
  color: oklch(10% 0.04 122);
  background: linear-gradient(135deg, oklch(89% 0.18 101), oklch(72% 0.2 132));
  box-shadow: 0 22px 54px oklch(76% 0.2 125 / 0.28), inset 0 1px 0 oklch(100% 0 0 / 0.35);
}

.glass-panel,
.liquid-card {
  position: relative;
  border: 1px solid var(--line);
  background:
    linear-gradient(145deg, oklch(100% 0 0 / 0.2), oklch(100% 0 0 / 0.07) 38%, oklch(100% 0 0 / 0.12)),
    linear-gradient(135deg, oklch(24% 0.085 155 / 0.68), oklch(13% 0.05 155 / 0.42));
  box-shadow: var(--shadow), inset 0 1px 0 oklch(100% 0 0 / 0.28);
  backdrop-filter: blur(34px) saturate(170%);
}

.glass-panel::before,
.liquid-card::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  pointer-events: none;
  background:
    linear-gradient(120deg, oklch(100% 0 0 / 0.26), transparent 22%, transparent 64%, oklch(100% 0 0 / 0.12)),
    linear-gradient(220deg, transparent 32%, oklch(100% 0 0 / 0.09), transparent 58%);
  mask-image: linear-gradient(to bottom, oklch(0% 0 0 / 0.95), transparent 82%);
}

.quick-order {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 12px;
  align-items: end;
  width: min(100%, 820px);
  padding: 16px;
  border-radius: 24px;
}

label {
  display: grid;
  gap: 8px;
  color: oklch(92% 0.018 115 / 0.9);
  font-weight: 900;
}

input {
  width: 100%;
  height: 62px;
  border: 1px solid oklch(100% 0 0 / 0.24);
  border-radius: 16px;
  padding: 0 18px;
  color: oklch(12% 0.04 145);
  background: oklch(96% 0.018 118 / 0.93);
  outline: 0;
  box-shadow: inset 0 1px 0 oklch(100% 0 0 / 0.65);
  font-weight: 850;
}

input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 4px oklch(75% 0.2 132 / 0.22), inset 0 1px 0 oklch(100% 0 0 / 0.65);
}

.hero-stage {
  position: relative;
}

.hero-card {
  min-height: min(84vh, 900px);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto minmax(520px, 1fr) auto auto;
  gap: 18px 20px;
  align-items: center;
  padding: clamp(22px, 3vw, 34px);
  background:
    linear-gradient(oklch(100% 0 0 / 0.055) 1px, transparent 1px),
    linear-gradient(90deg, oklch(100% 0 0 / 0.052) 1px, transparent 1px),
    linear-gradient(135deg, oklch(16% 0.07 160 / 0.86), oklch(37% 0.14 129 / 0.5), oklch(82% 0.17 88 / 0.13));
  background-size: 86px 86px, 86px 86px, auto;
}

.hero-product {
  grid-column: 1 / -1;
  grid-row: 2;
  justify-self: center;
  align-self: center;
  width: min(74%, 620px);
  max-height: 620px;
  object-fit: contain;
  filter: drop-shadow(0 36px 42px oklch(0% 0 0 / 0.36));
  transform: rotate(-5deg) translateY(-4px);
  animation: floatTool 7s ease-in-out infinite;
}

@keyframes floatTool {
  0%,
  100% {
    transform: rotate(-5deg) translateY(-4px);
  }
  50% {
    transform: rotate(-3deg) translateY(10px);
  }
}

.tag-start,
.tag-engine,
.round-badge,
.price-sheet {
  position: relative;
  z-index: 2;
}

.tag-start {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
}

.tag-engine {
  grid-column: 1;
  grid-row: 3;
  justify-self: start;
}

.round-badge {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  align-self: start;
  width: clamp(118px, 12vw, 172px);
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  color: oklch(10% 0.035 105);
  background: radial-gradient(circle at 36% 25%, oklch(95% 0.12 91), var(--yellow) 58%, var(--amber));
  box-shadow: 0 28px 80px oklch(84% 0.17 88 / 0.38), inset 0 2px 0 oklch(100% 0 0 / 0.38);
  font-size: clamp(34px, 4.2vw, 56px);
  line-height: 0.75;
  font-weight: 970;
}

.round-badge small {
  font-size: 0.42em;
}

.price-sheet {
  grid-column: 1 / -1;
  grid-row: 4;
  width: 100%;
  padding: 20px 24px;
  border: 1px solid oklch(100% 0 0 / 0.22);
  border-radius: 26px;
  background: oklch(9% 0.035 154 / 0.78);
  box-shadow: inset 0 1px 0 oklch(100% 0 0 / 0.18);
  backdrop-filter: blur(26px) saturate(140%);
}

.price-sheet span,
.final-price span {
  color: oklch(87% 0.02 115 / 0.75);
  font-weight: 900;
}

.price-sheet strong,
.final-price strong {
  display: block;
  color: var(--green);
  font-size: clamp(52px, 7vw, 92px);
  line-height: 0.92;
  font-weight: 980;
}

.price-sheet small,
.final-price small {
  color: var(--ink);
  font-size: 0.38em;
}

.price-sheet p,
.final-price p {
  margin: 8px 0 0;
  color: var(--yellow);
  font-weight: 950;
  font-size: clamp(16px, 2vw, 22px);
}

.benefit-strip {
  width: min(calc(100% - 40px), var(--max));
  margin: -24px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  position: relative;
  z-index: 4;
}

.strip-item {
  min-height: 190px;
  padding: 24px;
  border: 1px solid oklch(100% 0 0 / 0.18);
  border-radius: 24px;
  background: linear-gradient(145deg, oklch(100% 0 0 / 0.16), oklch(100% 0 0 / 0.05));
  box-shadow: 0 24px 60px oklch(4% 0.035 145 / 0.28), inset 0 1px 0 oklch(100% 0 0 / 0.18);
  backdrop-filter: blur(24px) saturate(145%);
}

.strip-item span {
  color: var(--yellow);
  font-weight: 960;
}

.strip-item strong {
  display: block;
  margin-top: 18px;
  font-size: 25px;
  line-height: 1.06;
}

.strip-item p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
}

.gallery-section,
.power-section,
.kit-section,
.specs-section,
.scenario-section,
.order-section {
  padding: clamp(82px, 10vw, 150px) 0 0;
}

.section-title {
  display: grid;
  gap: 2px;
  margin-bottom: 34px;
}

.section-title p {
  max-width: 760px;
}

.gallery-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  align-items: stretch;
}

.gallery-main {
  min-height: 690px;
  border-radius: var(--radius-xl);
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 36px;
  background:
    linear-gradient(oklch(100% 0 0 / 0.06) 1px, transparent 1px),
    linear-gradient(90deg, oklch(100% 0 0 / 0.05) 1px, transparent 1px),
    linear-gradient(125deg, oklch(15% 0.055 150 / 0.86), oklch(36% 0.13 130 / 0.48), oklch(79% 0.16 88 / 0.13));
  background-size: 86px 86px, 86px 86px, auto;
}

.gallery-main img {
  width: min(86%, 720px);
  max-height: 580px;
  object-fit: contain;
  filter: drop-shadow(0 34px 48px oklch(0% 0 0 / 0.32));
  transition: opacity 180ms ease, transform 220ms ease;
}

.gallery-main img.is-changing {
  opacity: 0.42;
  transform: scale(0.985) rotate(-1deg);
}

.gallery-caption {
  position: absolute;
  left: 28px;
  bottom: 26px;
  max-width: calc(100% - 56px);
  padding: 14px 18px;
  border: 1px solid oklch(100% 0 0 / 0.2);
  border-radius: 18px;
  background: oklch(9% 0.03 150 / 0.68);
  backdrop-filter: blur(20px);
  font-size: 19px;
  font-weight: 950;
}

.thumb-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.thumb-grid button {
  min-height: 150px;
  border: 1px solid oklch(100% 0 0 / 0.16);
  border-radius: 22px;
  padding: 12px;
  background: linear-gradient(145deg, oklch(100% 0 0 / 0.12), oklch(100% 0 0 / 0.04));
  backdrop-filter: blur(18px) saturate(130%);
  cursor: pointer;
  transition: transform 260ms cubic-bezier(.22, 1, .36, 1), border-color 260ms ease, background 260ms ease;
}

.thumb-grid button:hover,
.thumb-grid button.is-active {
  transform: translateY(-3px);
  border-color: oklch(86% 0.17 92 / 0.9);
  background: linear-gradient(145deg, oklch(88% 0.16 92 / 0.24), oklch(100% 0 0 / 0.08));
}

.thumb-grid img {
  width: 100%;
  height: 126px;
  object-fit: contain;
  filter: drop-shadow(0 18px 26px oklch(0% 0 0 / 0.2));
}

.power-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  min-height: 58px;
  display: flex;
  align-items: center;
  padding: 14px 18px 14px 52px;
  border: 1px solid oklch(100% 0 0 / 0.14);
  border-radius: 18px;
  color: oklch(92% 0.018 118);
  background: oklch(100% 0 0 / 0.09);
  backdrop-filter: blur(18px);
  font-size: 19px;
  font-weight: 850;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 7px oklch(77% 0.2 132 / 0.16);
}

.power-visual {
  display: grid;
  grid-template-columns: 1fr 0.76fr;
  gap: 16px;
  align-items: stretch;
}

.starter-panel,
.motor-panel {
  min-height: 520px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 30px;
  background:
    linear-gradient(oklch(100% 0 0 / 0.055) 1px, transparent 1px),
    linear-gradient(90deg, oklch(100% 0 0 / 0.052) 1px, transparent 1px),
    linear-gradient(145deg, oklch(16% 0.07 160 / 0.86), oklch(34% 0.14 135 / 0.48));
  background-size: 72px 72px, 72px 72px, auto;
}

.starter-panel img {
  width: min(72%, 360px);
  filter: drop-shadow(0 32px 34px oklch(0% 0 0 / 0.32));
}

.starter-panel .glass-tag {
  position: absolute;
  left: 28px;
  bottom: 28px;
}

.pulse-ring {
  position: absolute;
  width: 210px;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px dashed oklch(78% 0.2 132 / 0.54);
  animation: pulseRing 4.2s linear infinite;
}

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

.motor-panel {
  min-height: 390px;
  align-self: end;
}

.motor-panel img {
  width: 112%;
  max-width: none;
  filter: drop-shadow(0 24px 36px oklch(0% 0 0 / 0.28));
}

.motor-panel span {
  position: absolute;
  right: 22px;
  bottom: 22px;
  padding: 14px 18px;
  border-radius: 999px;
  color: oklch(10% 0.035 110);
  background: var(--yellow);
  font-size: 22px;
  font-weight: 950;
}

.kit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.kit-item {
  min-height: 330px;
  padding: 22px;
  border: 1px solid oklch(100% 0 0 / 0.17);
  border-radius: 28px;
  background:
    linear-gradient(oklch(100% 0 0 / 0.045) 1px, transparent 1px),
    linear-gradient(90deg, oklch(100% 0 0 / 0.04) 1px, transparent 1px),
    linear-gradient(145deg, oklch(100% 0 0 / 0.13), oklch(100% 0 0 / 0.045));
  background-size: 64px 64px, 64px 64px, auto;
  box-shadow: 0 28px 70px oklch(4% 0.035 145 / 0.24), inset 0 1px 0 oklch(100% 0 0 / 0.18);
  backdrop-filter: blur(24px) saturate(140%);
}

.kit-item img {
  width: 100%;
  height: 190px;
  object-fit: contain;
  margin-bottom: 20px;
  filter: drop-shadow(0 22px 30px oklch(0% 0 0 / 0.24));
}

.kit-item strong {
  display: block;
  font-size: 26px;
  line-height: 1.06;
}

.kit-item p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.45;
  font-weight: 700;
}

.specs-card {
  padding: clamp(28px, 5vw, 56px);
  border-radius: var(--radius-xl);
}

.spec-grid {
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.spec-grid div {
  min-height: 118px;
  padding: 18px;
  border: 1px solid oklch(100% 0 0 / 0.13);
  border-radius: 22px;
  background: oklch(100% 0 0 / 0.08);
}

.spec-grid dt {
  color: oklch(84% 0.02 120 / 0.72);
  font-weight: 850;
}

.spec-grid dd {
  margin: 12px 0 0;
  color: var(--yellow);
  font-size: clamp(22px, 2.3vw, 34px);
  font-weight: 970;
  line-height: 1;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.scenario {
  min-height: 270px;
  padding: 28px;
  border: 1px solid oklch(100% 0 0 / 0.16);
  border-radius: 30px;
  background: linear-gradient(145deg, oklch(100% 0 0 / 0.13), oklch(100% 0 0 / 0.045));
  box-shadow: inset 0 1px 0 oklch(100% 0 0 / 0.16);
  backdrop-filter: blur(22px) saturate(135%);
}

.scenario span {
  width: 48px;
  min-height: 48px;
  padding: 0;
  background: var(--yellow);
}

.scenario strong {
  display: block;
  margin-top: 54px;
  font-size: 30px;
  line-height: 1.05;
}

.scenario p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.45;
  font-weight: 720;
}

.order-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1fr);
  gap: clamp(24px, 5vw, 68px);
  align-items: center;
  padding-bottom: 120px;
}

.final-price {
  width: min(100%, 520px);
  margin-top: 30px;
  padding: 28px;
  border-radius: 28px;
}

.order-form {
  display: grid;
  gap: 18px;
  padding: clamp(22px, 4vw, 42px);
  border-radius: var(--radius-xl);
}

.order-form .button {
  width: 100%;
  margin-top: 8px;
}

.order-form > p {
  margin: 0;
  color: oklch(86% 0.015 118 / 0.75);
  font-weight: 700;
  line-height: 1.4;
}

.sticky-cta {
  position: fixed;
  right: max(20px, calc((100vw - var(--max)) / 2));
  bottom: 22px;
  z-index: 28;
  width: min(480px, calc(100vw - 40px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border: 1px solid oklch(100% 0 0 / 0.18);
  border-radius: 22px;
  background: oklch(10% 0.035 150 / 0.78);
  box-shadow: 0 24px 80px oklch(0% 0 0 / 0.42), inset 0 1px 0 oklch(100% 0 0 / 0.18);
  backdrop-filter: blur(26px) saturate(145%);
  transition: opacity 220ms ease, transform 220ms ease;
}

.sticky-cta span {
  display: block;
  color: oklch(86% 0.02 118 / 0.72);
  font-weight: 900;
}

.sticky-cta strong {
  display: block;
  color: var(--green);
  font-size: 32px;
  line-height: 1;
  font-weight: 970;
}

.sticky-cta .button {
  min-height: 60px;
  min-width: 150px;
}

.sticky-cta.is-muted {
  opacity: 0.36;
  transform: translateY(12px);
  pointer-events: none;
}

.site-footer {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 30px 0 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: oklch(84% 0.02 120 / 0.7);
  font-weight: 800;
}

.site-footer p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 720ms cubic-bezier(.22, 1, .36, 1), transform 720ms cubic-bezier(.22, 1, .36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .nav-links {
    display: none;
  }

  .site-header {
    top: 10px;
    width: min(calc(100% - 20px), var(--max));
  }

  .hero,
  .power-section,
  .order-section {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    order: -1;
  }

  .hero-card {
    min-height: auto;
    grid-template-rows: auto minmax(560px, auto) auto auto;
  }

  .gallery-layout {
    grid-template-columns: 1fr;
  }

  .thumb-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

@media (max-width: 760px) {
  .section-shell,
  .benefit-strip,
  .site-footer {
    width: min(calc(100% - 24px), var(--max));
  }

  .header-price {
    min-width: auto;
    padding: 14px 16px;
    font-size: 18px;
  }

  .brand {
    font-size: 23px;
  }

  .hero {
    min-height: auto;
    padding-top: 36px;
  }

  h1 {
    font-size: clamp(58px, 17vw, 82px);
  }

  h2 {
    font-size: clamp(36px, 12vw, 54px);
  }

  .quick-order,
  .benefit-strip,
  .kit-grid,
  .scenario-grid,
  .spec-grid {
    grid-template-columns: 1fr;
  }

  .quick-order {
    padding: 14px;
  }

  .hero-card {
    min-height: auto;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto minmax(430px, auto) auto auto;
    padding: 18px;
    gap: 12px;
  }

  .hero-product {
    width: min(86%, 420px);
    max-height: 470px;
  }

  .tag-engine {
    grid-column: 1 / -1;
    grid-row: 3;
    justify-self: start;
    display: inline-flex;
  }

  .tag-start {
    grid-column: 1;
    grid-row: 1;
    top: auto;
    left: auto;
    right: auto;
    justify-self: start;
  }

  .round-badge {
    grid-column: 2;
    grid-row: 1;
    top: auto;
    right: auto;
    width: 112px;
  }

  .price-sheet {
    left: auto;
    right: auto;
    bottom: auto;
  }

  .price-sheet strong,
  .final-price strong {
    font-size: 58px;
  }

  .gallery-main {
    min-height: 500px;
    padding: 18px;
  }

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

  .thumb-grid button {
    min-height: 132px;
  }

  .thumb-grid img {
    height: 108px;
  }

  .power-visual {
    grid-template-columns: 1fr;
  }

  .starter-panel,
  .motor-panel {
    min-height: 430px;
  }

  .sticky-cta {
    left: 12px;
    right: 12px;
    bottom: 12px;
    width: auto;
  }

  .sticky-cta .button {
    min-width: 126px;
    padding: 0 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}