:root {
  --bg: #eef3f6;
  --bg-soft: #f8fbfc;
  --surface: #ffffff;
  --surface-soft: #f3f7f9;
  --text: #112030;
  --muted: #5b6a79;
  --muted-strong: #3a4858;
  --line: rgba(17, 32, 48, 0.1);
  --line-strong: rgba(17, 32, 48, 0.18);
  --brand: #0e5d70;
  --brand-deep: #0a3d4b;
  --brand-dark: #091c29;
  --brand-darker: #07131d;
  --accent: #c98835;
  --accent-soft: rgba(201, 136, 53, 0.18);
  --shadow-lg: 0 28px 70px rgba(11, 29, 44, 0.14);
  --shadow-md: 0 18px 40px rgba(11, 29, 44, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --page-gutter: clamp(28px, 5vw, 72px);
  --section-pad-x: clamp(20px, 3.2vw, 34px);
  --section-pad-y: clamp(40px, 5vw, 56px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

#top,
#value,
#scenarios,
#journey,
#demo,
#contact {
  scroll-margin-top: 118px;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(14, 93, 112, 0.1), transparent 24%),
    radial-gradient(circle at top right, rgba(201, 136, 53, 0.08), transparent 18%),
    linear-gradient(180deg, #f4f7fa 0%, var(--bg) 100%);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.3) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.18;
  pointer-events: none;
}

main {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
  padding: 0 0 24px;
}

a {
  color: inherit;
  text-decoration: none;
  transition:
    transform 0.24s ease,
    box-shadow 0.24s ease,
    background-color 0.24s ease,
    color 0.24s ease,
    border-color 0.24s ease;
}

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

.shell {
  width: min(1120px, calc(100% - var(--page-gutter)));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: rgba(7, 19, 29, 0.84);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-shell {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 86px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  color: #f4f9fc;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.16);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}

.nav-phone {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: #f3f7fb;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 auto;
  justify-content: center;
  min-width: 0;
  max-width: 100%;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-links a {
  flex: 1 1 0;
  min-width: 0;
  padding: 12px clamp(10px, 1.8vw, 18px);
  border-radius: 999px;
  white-space: nowrap;
  text-align: center;
  color: rgba(243, 247, 251, 0.74);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a.active {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.nav-mobile {
  display: none;
}

.nav-mobile-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.06);
  color: #f4f8fb;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.nav-mobile-label {
  color: rgba(243, 247, 251, 0.68);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-mobile-toggle strong {
  font-size: 15px;
}

.nav-mobile-menu {
  display: none;
  gap: 8px;
  margin-top: 10px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  background: rgba(10, 26, 39, 0.96);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.18);
}

.nav-mobile-menu.open {
  display: grid;
}

.nav-mobile-menu a {
  padding: 12px 14px;
  border-radius: 16px;
  color: rgba(243, 247, 251, 0.8);
  font-size: 14px;
  font-weight: 700;
}

.nav-mobile-menu a.active {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.nav-links a:hover,
.nav-phone:hover,
.button:hover,
.contact-action:hover,
.entry-link:hover {
  transform: translateY(-2px);
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.hero-section {
  position: relative;
  overflow: hidden;
  padding: 28px 0 28px;
  background:
    radial-gradient(circle at top left, rgba(201, 136, 53, 0.14), transparent 24%),
    linear-gradient(135deg, var(--brand-darker) 0%, var(--brand-dark) 48%, #103247 100%);
}

.hero-noise {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.08), transparent 22%),
    radial-gradient(circle at 88% 10%, rgba(14, 93, 112, 0.28), transparent 26%),
    radial-gradient(circle at 72% 68%, rgba(201, 136, 53, 0.14), transparent 20%);
  pointer-events: none;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(380px, 0.98fr);
  gap: 30px;
  padding: 62px var(--section-pad-x) 96px;
}

.hero-copy {
  display: grid;
  align-content: start;
  padding: 16px 0;
}

.eyebrow,
.section-tag,
.panel-label {
  margin: 0 0 14px;
  color: #9bd5e2;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-copy h1,
.section-heading h2,
.contact-copy h2 {
  margin: 0;
  letter-spacing: -0.05em;
  line-height: 1.03;
}

.hero-copy h1 {
  max-width: 100%;
  color: #f7fbfd;
  font-size: clamp(2.8rem, 5.6vw, 5.4rem);
}

.hero-description,
.section-heading > p:not(.section-tag),
.summary-description,
.feature-card p,
.solution-card p,
.product-card p,
.timeline-item p,
.faq-item p,
.contact-description,
.contact-story p {
  margin: 0;
  line-height: 1.72;
}

.hero-description {
  max-width: 34ch;
  margin: 22px 0 28px;
  color: rgba(243, 247, 251, 0.82);
  font-size: 1.08rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  gap: 14px;
}

.button,
.contact-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 168px;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
}

.button.primary,
.contact-action.primary {
  background: linear-gradient(135deg, var(--accent), #e2a45f);
  color: #172432;
  box-shadow: 0 18px 34px rgba(201, 136, 53, 0.26);
}

.button.secondary,
.contact-action.secondary {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  color: #f5f8fb;
}

.hero-commitments {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.commitment-pill {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #eaf4f8;
  font-size: 14px;
  font-weight: 700;
}

.hero-note {
  margin-top: 24px;
  max-width: 420px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.05);
}

.hero-note strong {
  display: block;
  margin-bottom: 8px;
  color: #ffffff;
  font-size: 1.02rem;
}

.hero-note p {
  margin: 0;
  color: rgba(243, 247, 251, 0.76);
  line-height: 1.68;
}

.hero-visual {
  display: grid;
  gap: 22px;
  align-content: start;
}

.hero-illustration-card,
.hero-summary-card {
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.hero-illustration-card {
  padding: clamp(28px, 3.4vw, 36px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04)),
    linear-gradient(135deg, rgba(14, 93, 112, 0.16), rgba(255, 255, 255, 0.04));
}

.hero-illustration-card img {
  width: min(100%, 92%);
  height: 100%;
  max-height: 320px;
  margin: 0 auto;
  object-fit: contain;
}

.hero-summary-card {
  padding: clamp(28px, 3.2vw, 36px);
  background: rgba(250, 252, 253, 0.95);
}

.summary-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.summary-chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #91550d;
  font-size: 13px;
  font-weight: 800;
}

.hero-summary-card .panel-label {
  margin-bottom: 0;
  color: var(--brand);
}

.hero-summary-card h2 {
  margin: 16px 0 8px;
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.summary-description {
  color: var(--muted-strong);
}

.hero-overview {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.overview-item {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.overview-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
}

.overview-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.66;
}

.stats-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 16px;
  margin-top: -46px;
  margin-bottom: 12px;
  padding: 0 var(--section-pad-x);
}

.stat-card {
  min-height: 124px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.56);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-md);
}

.stat-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--brand-deep);
  font-size: 2rem;
  line-height: 1;
}

.stat-card span {
  color: var(--muted);
  font-weight: 700;
}

.section {
  padding: var(--section-pad-y) var(--section-pad-x);
  border: 1px solid rgba(17, 32, 48, 0.06);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-md);
}

.section-heading {
  max-width: 100%;
  margin-bottom: clamp(24px, 3vw, 32px);
}

.section-heading h2 {
  font-size: clamp(2rem, 3.4vw, 3.2rem);
}

.section-heading > p:not(.section-tag) {
  max-width: 720px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 1rem;
}

.section-tag {
  color: var(--brand);
}

.feature-grid,
.solution-list,
.product-grid,
.timeline,
.faq-list,
.qr-grid,
.entry-list {
  display: grid;
  gap: 16px;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 1fr;
}

.feature-card,
.solution-card,
.product-card,
.timeline-item,
.faq-item,
.qr-card,
.entry-link,
.contact-card,
.entry-card,
.timeline-card,
.demo-panel,
.faq-panel,
.art-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.feature-card,
.solution-card,
.product-card,
.faq-item,
.qr-card {
  display: grid;
  align-content: start;
  gap: 8px;
  height: 100%;
  padding: 20px;
}

.feature-card {
  background:
    linear-gradient(180deg, rgba(14, 93, 112, 0.08), rgba(255, 255, 255, 0.92));
}

.feature-card h3,
.solution-card h3,
.product-card h3,
.faq-panel h3,
.faq-item h4,
.contact-story h3,
.support-head h3 {
  margin: 0 0 10px;
  line-height: 1.35;
}

.feature-card h3,
.solution-card h3,
.product-card h3 {
  font-size: 1.08rem;
}

.feature-card p,
.solution-card p,
.product-card p,
.faq-item p {
  color: var(--muted);
}

.scenario-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 18px;
  align-items: start;
}

.art-card {
  display: flex;
  align-items: center;
  justify-content: center;
  height: auto;
  min-height: 300px;
  padding: clamp(20px, 3vw, 28px);
  background:
    radial-gradient(circle at top left, rgba(14, 93, 112, 0.12), transparent 30%),
    linear-gradient(180deg, #f7fafc, #edf4f7);
}

.art-card img {
  width: min(100%, 90%);
  max-height: 320px;
  margin: 0 auto;
  object-fit: contain;
}

.solution-list {
  align-content: start;
  align-self: start;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: 1fr;
}

.solution-card {
  align-content: start;
  min-height: 160px;
}

.solution-card h3 {
  font-size: 1.14rem;
}

.dark-section {
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
}

.dark-shell {
  padding: var(--section-pad-y) var(--section-pad-x);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(201, 136, 53, 0.14), transparent 24%),
    linear-gradient(135deg, var(--brand-darker) 0%, var(--brand-dark) 52%, #103247 100%);
  box-shadow: var(--shadow-lg);
}

.light-heading .section-tag,
.light-panel,
.contact-section .section-tag {
  color: #9bd5e2;
}

.light-heading h2,
.light-heading > p:not(.section-tag),
.contact-copy h2,
.contact-description,
.contact-story p,
.support-head h3 {
  color: #f5f8fb;
}

.light-heading > p:not(.section-tag),
.contact-description,
.contact-story p {
  color: rgba(243, 247, 251, 0.76);
}

.journey-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  gap: 18px;
  align-items: start;
}

.product-grid {
  align-content: start;
  align-self: start;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: 1fr;
}

.product-card {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.1);
}

.product-card h3 {
  color: #ffffff;
}

.product-card p {
  color: rgba(243, 247, 251, 0.76);
}

.journey-illustration,
.timeline-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.journey-illustration {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.08);
  padding: clamp(24px, 3vw, 32px);
}

.journey-illustration img {
  width: min(100%, 90%);
  max-height: 250px;
  margin: 0 auto;
  object-fit: contain;
}

.timeline-card {
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.08);
}

.journey-timeline {
  grid-column: 1 / -1;
}

.timeline {
  margin-top: 14px;
}

.journey-timeline .timeline {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 14px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 14px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.08);
}

.journey-timeline .timeline-item {
  grid-template-columns: 1fr;
  gap: 10px;
  min-height: 0;
  padding: 14px;
}

.timeline-item strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), #e2a45f);
  color: #182534;
  font-size: 1rem;
}

.journey-timeline .timeline-item strong {
  width: 42px;
  height: 42px;
  border-radius: 14px;
}

.timeline-item p {
  color: rgba(243, 247, 251, 0.8);
}

.journey-timeline .timeline-item p {
  font-size: 14px;
  line-height: 1.5;
}

.demo-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: 18px;
  align-items: start;
}

.demo-panel,
.faq-panel {
  padding: 22px;
}

.demo-panel {
  background:
    radial-gradient(circle at top left, rgba(14, 93, 112, 0.08), transparent 24%),
    linear-gradient(180deg, #fbfcfd, #f3f7f9);
}

.qr-grid {
  align-content: start;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: 1fr;
}

.qr-card {
  text-align: center;
}

.qr-card img {
  width: min(100%, 190px);
  margin: 0 auto 16px;
  border-radius: 18px;
}

.qr-card h3 {
  margin: 0;
  font-size: 1rem;
}

.faq-panel {
  background: linear-gradient(180deg, #fdfefe, #f4f7f9);
}

.faq-panel h3 {
  font-size: 1.45rem;
}

.faq-list {
  align-content: start;
  grid-auto-rows: 1fr;
  margin-top: 10px;
}

.faq-item h4 {
  font-size: 0.96rem;
}

.faq-item {
  gap: 6px;
  padding: 18px;
}

.faq-item p {
  font-size: 14px;
  line-height: 1.58;
}

.contact-section {
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
}

.contact-shell {
  padding: var(--section-pad-y) var(--section-pad-x);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top left, rgba(201, 136, 53, 0.16), transparent 24%),
    linear-gradient(135deg, #0b1c2a 0%, #102a3c 52%, #0c4b5e 100%);
  box-shadow: var(--shadow-lg);
}

.contact-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.94fr);
  gap: 18px;
  align-items: start;
}

.contact-copy,
.contact-side {
  width: auto;
}

.contact-description {
  max-width: 36ch;
  margin: 14px 0 20px;
}

.contact-copy h2 {
  margin-bottom: 18px;
}

.contact-story {
  margin-top: 18px;
  max-width: 480px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.05);
}

.contact-story h3 {
  color: #ffffff;
  font-size: 1.14rem;
}

.contact-side {
  display: grid;
  gap: 16px;
}

.contact-actions {
  gap: 14px;
  margin-top: 8px;
}

.contact-action {
  min-width: 196px;
  min-height: 52px;
  padding: 0 24px;
}

.contact-card,
.entry-card {
  padding: 22px;
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.08);
}

.contact-card {
  display: grid;
  gap: 14px;
}

.contact-card p {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin: 0;
  color: rgba(243, 247, 251, 0.72);
}

.contact-card span {
  font-size: 14px;
}

.contact-card strong {
  color: #ffffff;
  text-align: right;
  line-height: 1.55;
}

.entry-list {
  align-content: start;
  margin-top: 14px;
}

.entry-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  color: #f4f8fb;
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.08);
}

.entry-link span:last-child {
  color: #ffcf96;
  font-weight: 800;
}

.support-stage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.support-block {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.05);
}

.support-head {
  margin-bottom: 2px;
}

.support-head h3 {
  margin-bottom: 0;
}

.light-grid .qr-card {
  background: rgba(255, 255, 255, 0.98);
}

.site-footer {
  padding: 0 0 24px;
}

.footer-shell {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-md);
}

.footer-shell p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 1080px) {
  .hero-layout,
  .journey-stage,
  .contact-main {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .journey-timeline .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats-strip,
  .support-stage,
  .demo-stage,
  .scenario-stage {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 20px, 1120px);
  }

  .nav-shell {
    flex-wrap: wrap;
    gap: 10px;
    min-height: 82px;
    padding: 10px 0 14px;
  }

  .nav-actions {
    gap: 8px;
  }

  .nav-links {
    display: none;
  }

  .nav-mobile {
    display: block;
    order: 3;
    flex-basis: 100%;
  }

  .nav-mobile-toggle {
    padding: 16px 18px;
  }

  .nav-mobile-menu {
    margin-top: 12px;
    padding: 12px;
  }

  .nav-mobile-menu a {
    padding: 14px 14px;
  }

  .nav-phone {
    min-height: 40px;
    padding: 0 14px;
    font-size: 13px;
  }

  .hero-layout {
    padding: 42px 18px 72px;
    gap: 20px;
  }

  .hero-copy h1 {
    max-width: 100%;
    font-size: clamp(2.3rem, 12vw, 3.6rem);
  }

  .stats-strip {
    margin-top: -34px;
    margin-bottom: 8px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section,
  .dark-shell,
  .contact-shell {
    padding: 40px 18px;
    border-radius: 24px;
  }

  .section-heading {
    margin-bottom: 22px;
  }

  .section-heading h2,
  .contact-copy h2 {
    font-size: clamp(1.8rem, 8vw, 2.6rem);
  }

  .feature-grid,
  .solution-list,
  .product-grid,
  .qr-grid,
  .faq-list {
    grid-template-columns: 1fr;
  }

  .journey-timeline .timeline {
    grid-template-columns: 1fr;
  }

  .art-card {
    min-height: 260px;
  }

  .feature-card,
  .solution-card,
  .product-card,
  .faq-item,
  .qr-card,
  .demo-panel,
  .faq-panel,
  .contact-card,
  .entry-card,
  .support-block,
  .timeline-card {
    padding: 18px;
  }

  .timeline-item {
    grid-template-columns: 50px 1fr;
  }

  .timeline-item strong {
    width: 46px;
    height: 46px;
  }

  .contact-card p {
    display: grid;
  }

  .footer-shell {
    padding: 18px 18px;
  }
}