:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --hover: #fbfbfd;
  --text: #1d1d1f;
  --text-body: #424245;
  --text-2: #6e6e73;
  --text-3: #86868b;
  --text-4: #aeaeb2;
  --faint: #d2d2d7;
  --hairline: rgba(0, 0, 0, 0.07);
  --accent: #0071e3;
  --accent-link: #0066cc;
  --indigo: #5e5ce6;
  --live: #30d158;
  --track: #e8e8ed;
  --grad-cta: linear-gradient(135deg, #0071e3 0%, #5e5ce6 100%);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Helvetica Neue", "PingFang HK", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --r-pill: 999px;
  --r-chip: 6px;
  --r-thumb: 12px;
  --r-card: 18px;
  --r-panel: 22px;
  --r-hero: 26px;
  --sh-card: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.05);
  --sh-panel: 0 1px 3px rgba(0, 0, 0, 0.05), 0 14px 40px rgba(0, 0, 0, 0.05);
  --sh-lift: 0 12px 32px rgba(0, 0, 0, 0.1);
  --sh-cta: 0 20px 54px rgba(0, 113, 227, 0.24);
  --max-read: 720px;
  --max-grid: 1080px;
  --pad-x: 22px;
  --ease-spring: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
  scroll-behavior: smooth;
  font-optical-sizing: auto;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

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

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  left: 18px;
  top: -60px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  background: var(--text);
  color: var(--surface);
  text-decoration: none;
  transition: top 0.2s var(--ease-out-quart);
}

.skip-link:focus {
  top: 12px;
}

.container {
  width: min(100%, calc(var(--max-grid) + (var(--pad-x) * 2)));
  margin: 0 auto;
  padding-inline: var(--pad-x);
}

.narrow {
  max-width: calc(var(--max-read) + (var(--pad-x) * 2));
}

.glass-nav {
  background: rgba(245, 245, 247, 0.72);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 80;
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.3s var(--ease-out-quart),
    box-shadow 0.3s var(--ease-out-quart);
}

.site-nav.scrolled {
  border-bottom-color: var(--hairline);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.04);
}

.nav-inner {
  width: min(100%, calc(var(--max-grid) + (var(--pad-x) * 2)));
  height: 58px;
  margin: 0 auto;
  padding-inline: var(--pad-x);
  display: flex;
  align-items: center;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: var(--r-chip);
  background: var(--text);
  color: var(--surface);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.brand-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-en {
  color: var(--text-3);
  font-size: 11px;
}

.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 550;
  text-decoration: none;
  transition: color 0.15s var(--ease-out-quart);
}

.nav-links a:hover {
  color: var(--text);
}

.button {
  min-height: 44px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--r-pill);
  cursor: pointer;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  transition:
    transform 0.18s var(--ease-out-quart),
    box-shadow 0.18s var(--ease-out-quart),
    background-color 0.18s var(--ease-out-quart);
}

.button:hover {
  transform: translateY(-2px);
}

.button:active,
.glass-button:active,
.text-link:active,
.segmented button:active {
  transform: scale(0.97);
  transition-duration: 100ms;
}

.button:focus-visible,
.glass-button:focus-visible,
.text-link:focus-visible,
.segmented button:focus-visible,
summary:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(0, 113, 227, 0.28);
  outline-offset: 3px;
}

.button-primary {
  background: var(--accent);
  color: var(--surface);
  box-shadow: 0 6px 20px rgba(0, 113, 227, 0.18);
}

.button-primary:hover {
  background: var(--accent-link);
  box-shadow: 0 10px 26px rgba(0, 113, 227, 0.24);
}

.button-secondary {
  border: 1px solid var(--hairline);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.button-small {
  min-height: 44px;
  padding-inline: 15px;
  background: var(--text);
  color: var(--surface);
  font-size: 12.5px;
}

.hero {
  overflow: hidden;
  padding: clamp(48px, 8vw, 94px) 0 clamp(44px, 7vw, 80px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(380px, 0.96fr);
  align-items: center;
  gap: clamp(36px, 6vw, 72px);
}

.eyebrow,
.section-kicker {
  color: var(--text-3);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
}

.live-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--live);
  animation: pulse-dot 2.2s infinite;
}

@keyframes pulse-dot {
  0% {
    box-shadow: 0 0 0 0 rgba(48, 209, 88, 0.5);
  }
  70% {
    box-shadow: 0 0 0 7px rgba(48, 209, 88, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(48, 209, 88, 0);
  }
}

.hero h1 {
  margin-top: 18px;
  max-width: 710px;
  font-size: clamp(36px, 4.3vw, 52px);
  font-weight: 750;
  letter-spacing: -0.045em;
  line-height: 1.06;
}

.hero h1 span {
  color: var(--text-2);
}

.hero-lede {
  max-width: 660px;
  margin-top: 22px;
  color: var(--text-body);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.85;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.proof-panel {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  border-radius: var(--r-panel);
  background: var(--surface);
  box-shadow: var(--sh-card);
}

.proof-item {
  min-width: 0;
  padding: 16px;
}

.proof-item + .proof-item {
  border-left: 1px solid var(--hairline);
}

.proof-item strong,
.proof-item span {
  display: block;
}

.proof-item strong {
  font-size: 13.5px;
  letter-spacing: -0.01em;
}

.proof-item span {
  margin-top: 3px;
  color: var(--text-3);
  font-size: 11.5px;
  line-height: 1.5;
}

.hero-visual {
  min-height: 490px;
  position: relative;
  overflow: hidden;
  border-radius: var(--r-hero);
  background: var(--surface);
  box-shadow: var(--sh-panel);
  isolation: isolate;
}

.hero-visual::after {
  content: none;
}

.hero-visual > img {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  object-fit: contain;
  object-position: center 58%;
  z-index: 2;
}

.hero-orb,
.cta-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(54px);
}

.hero-orb-one {
  width: 260px;
  height: 260px;
  top: -74px;
  right: -62px;
  background: rgba(255, 255, 255, 0.24);
}

.hero-orb-two {
  width: 220px;
  height: 220px;
  left: -80px;
  bottom: 60px;
  background: rgba(94, 92, 230, 0.42);
}

.glass-chip {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.22);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.price-badge {
  position: absolute;
  top: 22px;
  left: 22px;
  z-index: 4;
  padding: 14px 16px;
  border-radius: var(--r-card);
  background: rgba(29, 29, 31, 0.82);
  color: var(--surface);
}

.price-badge span,
.price-badge strong,
.price-badge small {
  display: block;
}

.price-badge span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 11px;
  font-weight: 600;
}

.price-badge strong {
  margin-top: 2px;
  font-size: 23px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.025em;
}

.price-badge small {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 10px;
}

.visual-note {
  position: absolute;
  right: 18px;
  bottom: 16px;
  left: 18px;
  z-index: 4;
  color: var(--text-3);
  font-size: 10px;
  text-align: center;
}

.cost-equation {
  padding-bottom: clamp(34px, 6vw, 56px);
}

.equation-panel {
  padding: 22px clamp(20px, 4vw, 34px);
  display: flex;
  align-items: center;
  gap: 28px;
  border-radius: var(--r-panel);
  background: var(--surface);
  box-shadow: var(--sh-card);
}

.equation-label {
  flex: 0 0 auto;
  color: var(--text-3);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.equation-parts {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: clamp(13px, 1.6vw, 15px);
}

.equation-parts > span {
  color: var(--faint);
}

.equation-result {
  color: var(--accent);
}

.section {
  padding: clamp(58px, 8vw, 96px) 0;
}

.section-white {
  background: var(--surface);
}

.section-head {
  margin-bottom: clamp(26px, 4vw, 40px);
}

.section-head h2 {
  margin-top: 12px;
  max-width: 760px;
  font-size: clamp(29px, 4.6vw, 48px);
  font-weight: 730;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.section-head > p,
.section-intro {
  color: var(--text-2);
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.7;
}

.head-split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.72fr);
  align-items: end;
  gap: 48px;
}

.section-intro p {
  color: var(--text-2);
}

.section-intro a {
  display: inline-flex;
  min-height: 44px;
  margin-top: 8px;
  align-items: center;
  color: var(--accent-link);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.centered {
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}

.centered h2 {
  margin-inline: auto;
}

.centered p {
  margin-top: 14px;
}

.segmented {
  width: fit-content;
  margin-bottom: 16px;
  padding: 3px;
  display: inline-flex;
  gap: 2px;
  border-radius: var(--r-pill);
  background: rgba(0, 0, 0, 0.05);
}

.segmented button {
  min-height: 44px;
  padding: 0 16px;
  border: 0;
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  font-size: 13px;
  font-weight: 550;
  transition:
    transform 0.18s var(--ease-out-quart),
    color 0.2s var(--ease-out-quart),
    background-color 0.2s var(--ease-out-quart),
    box-shadow 0.2s var(--ease-out-quart);
}

.segmented button.active {
  background: var(--text);
  color: var(--surface);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.catalog-filters {
  margin-bottom: 16px;
  padding: 10px 18px 0;
  border-radius: var(--r-panel);
  background: var(--surface);
  box-shadow: var(--sh-card);
}

.filter-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding: 8px 0;
}

.filter-row + .filter-row {
  border-top: 1px solid var(--hairline);
}

.filter-row > span {
  color: var(--text-3);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.filter-row .segmented {
  max-width: 100%;
  margin-bottom: 0;
}

.segmented-scroll {
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  white-space: nowrap;
}

.segmented-scroll::-webkit-scrollbar {
  display: none;
}

.segmented-scroll button {
  flex: 0 0 auto;
}

.filter-summary {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--hairline);
  color: var(--text-2);
  font-size: 12px;
}

#reset-filters {
  min-height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent-link);
  cursor: pointer;
  font: inherit;
  font-weight: 650;
}

#reset-filters:focus-visible {
  outline: 3px solid rgba(0, 113, 227, 0.28);
  outline-offset: 3px;
}

.price-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  align-items: start;
  gap: 16px;
}

.model-panel {
  overflow: hidden;
  border-radius: var(--r-panel);
  background: var(--surface);
  box-shadow: var(--sh-panel);
}

.model-row {
  min-height: 142px;
  padding: 16px clamp(17px, 2.5vw, 22px);
  display: grid;
  grid-template-columns: 164px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  transition: background-color 0.15s var(--ease-out-quart);
}

.model-row + .model-row {
  border-top: 1px solid var(--hairline);
}

.model-row:hover {
  background: var(--hover);
}

.model-row[hidden] {
  display: none;
}

.model-photo {
  width: 164px;
  height: 96px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--r-thumb);
  background: var(--surface);
}

.model-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.model-title-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.model-copy h3 {
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -0.015em;
}

.model-copy p {
  margin-top: 3px;
  color: var(--text-2);
  font-size: 12.5px;
}

.model-copy a {
  min-height: 44px;
  margin-top: 3px;
  display: inline-flex;
  align-items: center;
  color: var(--accent-link);
  font-size: 11.5px;
  text-decoration: none;
}

.tag {
  padding: 3px 9px;
  border-radius: var(--r-pill);
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-2);
  font-size: 10.5px;
  font-weight: 650;
}

.tag-ev {
  background: rgba(0, 113, 227, 0.09);
  color: #0059b3;
}

.tag-hybrid {
  background: rgba(33, 122, 70, 0.1);
  color: #176038;
}

.tag-petrol {
  background: rgba(145, 91, 0, 0.09);
  color: #745000;
}

.model-price {
  min-width: 132px;
  text-align: right;
}

.model-price span,
.model-price strong {
  display: block;
}

.model-price span {
  color: var(--text-3);
  font-size: 10.5px;
}

.model-price strong {
  margin-top: 1px;
  font-size: clamp(19px, 2vw, 23px);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.025em;
}

.model-price small {
  display: block;
  margin-top: 4px;
  color: var(--text-3);
  font-size: 9.5px;
  line-height: 1.35;
}

.model-price .price-enquiry {
  font-size: 16px;
  letter-spacing: -0.01em;
}

.empty-state {
  margin-top: 16px;
  padding: 48px 24px;
  border-radius: var(--r-panel);
  background: var(--surface);
  box-shadow: var(--sh-card);
  text-align: center;
}

.empty-state[hidden] {
  display: none;
}

.empty-state strong {
  font-size: 18px;
  letter-spacing: -0.015em;
}

.empty-state p {
  margin-top: 8px;
  color: var(--text-2);
  font-size: 13px;
}

.empty-state .button {
  margin-top: 18px;
}

.price-aside {
  position: sticky;
  top: 76px;
  padding: 24px;
  border-radius: var(--r-panel);
  background: var(--surface);
  box-shadow: var(--sh-card);
}

.aside-label {
  color: var(--accent-link);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.price-aside h3 {
  margin-top: 9px;
  font-size: 22px;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.price-aside > p {
  margin-top: 10px;
  color: var(--text-2);
  font-size: 13.5px;
  line-height: 1.7;
}

.price-aside ul {
  margin-top: 17px;
  list-style: none;
}

.price-aside li {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--hairline);
  color: var(--text-body);
  font-size: 12.5px;
}

.price-aside li span {
  color: var(--text-4);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}

.text-link {
  min-height: 44px;
  margin-top: 12px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent-link);
  cursor: pointer;
  font-size: 13px;
  font-weight: 650;
}

.decision-panel,
.steps-panel,
.faq-panel {
  overflow: hidden;
  border-radius: var(--r-panel);
  background: var(--surface);
  box-shadow: var(--sh-panel);
}

.section-white .decision-panel {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 14px 40px rgba(0, 0, 0, 0.04);
}

.decision-row {
  min-height: 112px;
  padding: 20px clamp(18px, 3vw, 30px);
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
}

.decision-row + .decision-row,
.step-row + .step-row,
.faq-panel details + details {
  border-top: 1px solid var(--hairline);
}

.decision-index {
  color: var(--faint);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.decision-row h3,
.step-row h3 {
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.decision-row p,
.step-row p {
  margin-top: 4px;
  color: var(--text-2);
  font-size: 13.5px;
  line-height: 1.6;
}

.decision-meta {
  padding: 4px 10px;
  border-radius: var(--r-pill);
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-3);
  font-size: 11px;
}

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

.step-row {
  padding: 26px;
}

.step-row + .step-row {
  border-top: 0;
  border-left: 1px solid var(--hairline);
}

.step-row > span {
  width: 28px;
  height: 28px;
  margin-bottom: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--text);
  color: var(--surface);
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.cta-block {
  min-height: 420px;
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 68px);
  display: flex;
  align-items: center;
  border-radius: var(--r-hero);
  background: var(--grad-cta);
  box-shadow: var(--sh-cta);
}

.cta-orb-one {
  width: 340px;
  height: 340px;
  top: -130px;
  right: -40px;
  background: rgba(255, 255, 255, 0.24);
}

.cta-orb-two {
  width: 280px;
  height: 280px;
  bottom: -120px;
  left: 12%;
  background: rgba(122, 90, 255, 0.58);
}

.cta-content {
  max-width: 680px;
  position: relative;
  z-index: 2;
}

.cta-chip {
  width: fit-content;
  padding: 5px 11px;
  display: block;
  border-radius: var(--r-pill);
  color: rgba(255, 255, 255, 0.9);
  font-size: 11px;
  font-weight: 650;
}

.cta-content h2 {
  margin-top: 18px;
  color: var(--surface);
  font-size: clamp(30px, 5vw, 50px);
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.cta-content p {
  max-width: 570px;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 16px;
  line-height: 1.7;
}

.glass-button {
  min-height: 46px;
  margin-top: 24px;
  padding: 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.17);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--surface);
  cursor: pointer;
  font: 650 14px var(--font);
  transition:
    transform 0.18s var(--ease-out-quart),
    background-color 0.18s var(--ease-out-quart);
}

.glass-button:hover {
  background: rgba(255, 255, 255, 0.24);
}

.faq-panel details {
  background: var(--surface);
}

.faq-panel summary {
  min-height: 68px;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 650;
  list-style: none;
}

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

.faq-panel summary span {
  color: var(--text-4);
  font-size: 22px;
  font-weight: 400;
  transition: transform 0.2s var(--ease-out-quart);
}

.faq-panel details[open] summary span {
  transform: rotate(45deg);
}

.faq-panel details p {
  max-width: 650px;
  padding: 0 22px 22px;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.85;
}

.footer {
  padding: 34px 0 110px;
  border-top: 1px solid var(--hairline);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr auto;
  align-items: start;
  gap: 28px;
}

.footer-brand {
  min-height: auto;
}

.footer-grid > div > p,
.footer-note,
.footer-copy {
  color: var(--text-3);
  font-size: 11.5px;
}

.footer-grid > div > p {
  margin-top: 7px;
}

.footer-note {
  line-height: 1.7;
}

.footer-copy {
  white-space: nowrap;
}

.mobile-dock {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 70;
  padding: 10px var(--pad-x) max(10px, env(safe-area-inset-bottom));
  display: none;
  border-top: 1px solid var(--hairline);
}

.mobile-dock .button {
  width: 100%;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-visual {
    min-height: 450px;
  }

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

  .price-aside {
    position: static;
  }
}

@media (max-width: 680px) {
  :root {
    --pad-x: 18px;
  }

  .nav-inner {
    gap: 10px;
  }

  .brand-en,
  .nav-links {
    display: none;
  }

  .nav-inner > .button {
    margin-left: auto;
  }

  .hero {
    padding-top: 42px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .proof-panel {
    grid-template-columns: 1fr;
  }

  .proof-item + .proof-item {
    border-top: 1px solid var(--hairline);
    border-left: 0;
  }

  .hero-visual {
    min-height: 380px;
  }

  .price-badge {
    top: 16px;
    left: 16px;
  }

  .equation-panel {
    display: block;
  }

  .equation-parts {
    margin-top: 10px;
  }

  .head-split {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .segmented {
    width: 100%;
  }

  .segmented button {
    flex: 1;
    padding-inline: 8px;
  }

  .catalog-filters {
    padding: 8px 14px 0;
  }

  .filter-row {
    grid-template-columns: 1fr;
    gap: 5px;
    padding: 10px 0;
  }

  .filter-row .segmented-scroll {
    width: 100%;
  }

  .filter-row .segmented-scroll button {
    flex: 0 0 auto;
    padding-inline: 14px;
  }

  .model-row {
    min-height: 142px;
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 14px;
  }

  .model-photo {
    width: 112px;
    height: 76px;
  }

  .model-price {
    min-width: 0;
    grid-column: 2;
    text-align: left;
  }

  .model-price strong {
    font-size: 20px;
  }

  .decision-row {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 14px;
  }

  .decision-meta {
    display: none;
  }

  .steps-panel {
    grid-template-columns: 1fr;
  }

  .step-row + .step-row {
    border-top: 1px solid var(--hairline);
    border-left: 0;
  }

  .step-row {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 16px;
  }

  .step-row > span {
    margin: 0;
  }

  .cta-block {
    min-height: 480px;
    align-items: flex-end;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .mobile-dock {
    display: block;
  }

}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

}

@media (prefers-reduced-transparency: reduce) {
  .glass-nav,
  .glass-chip,
  .glass-button {
    background: var(--surface);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .price-badge,
  .cta-chip,
  .glass-button {
    color: var(--text);
  }
}

@media (prefers-contrast: more) {
  .glass-nav,
  .glass-chip,
  .glass-button {
    background: var(--surface);
    border-color: rgba(0, 0, 0, 0.35);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .price-badge,
  .cta-chip,
  .glass-button {
    color: var(--text);
  }
}