:root {
  color-scheme: dark;
  --color-dark-0: #0a0f1e;
  --color-dark-1: #1a1f3a;
  --color-dark-2: #050a15;
  --color-accent-start: #3b82f6;
  --color-accent-end: #8b5cf6;
  --color-cyan: #06b6d4;
  --color-surface: #ffffff;
  --color-surface-soft: #f8fafc;
  --color-text-dark: #0f172a;
  --color-text-light: #e2e8f0;
  --color-text-muted-light: #94a3b8;
  --color-text-muted-dark: #64748b;
  --color-border: #e2e8f0;
  --color-border-dark: rgba(226, 232, 240, 0.12);
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.08);
  --shadow-medium: 0 28px 72px rgba(15, 23, 42, 0.12);
  --shadow-strong: 0 36px 90px rgba(2, 6, 23, 0.34);
  --max-width: 1200px;
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --space-section: clamp(120px, 11vw, 160px);
  --space-section-mobile: 80px;
  --space-card: 32px;
  --font-cn: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-brand: "Space Grotesk", "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --font-body: "Inter", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC",
    "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--color-surface-soft);
  color: var(--color-text-dark);
  font-family: var(--font-body);
  text-rendering: optimizeLegibility;
}

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

img {
  max-width: 100%;
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 80;
  height: 1px;
  background: rgba(255, 255, 255, 0.04);
}

.scroll-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent-start), var(--color-accent-end), var(--color-cyan));
  box-shadow: 0 0 24px rgba(59, 130, 246, 0.45);
  transform-origin: left center;
}

.section-inner {
  width: min(var(--max-width), calc(100vw - 32px));
  margin: 0 auto;
}

.page-section {
  position: relative;
  padding: var(--space-section) 0;
}

.page-section[id] {
  scroll-margin-top: 132px;
}

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

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

.section-dark {
  color: var(--color-text-light);
  background: linear-gradient(180deg, var(--color-dark-0) 0%, var(--color-dark-1) 100%);
}

.site-header {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 60;
  padding: 18px 0 0;
  transition: padding 220ms ease;
}

.site-header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 24px;
  padding: 16px 22px;
  border: 1px solid transparent;
  border-radius: 22px;
  transition: background 220ms ease, box-shadow 220ms ease, border-color 220ms ease, backdrop-filter 220ms ease;
}

.site-header.is-scrolled .site-header-inner {
  backdrop-filter: blur(20px);
  background: rgba(10, 15, 30, 0.68);
  border-color: rgba(226, 232, 240, 0.08);
  box-shadow: 0 18px 50px rgba(2, 6, 23, 0.22);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 46px;
  flex: 0 0 auto;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1;
}

.brand-text strong {
  color: #fff;
  font-family: var(--font-brand);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-text small {
  color: rgba(226, 232, 240, 0.62);
  font-size: 0.76rem;
}

.site-nav {
  display: inline-flex;
  justify-content: center;
  gap: 24px;
}

.site-nav a {
  color: rgba(226, 232, 240, 0.8);
  font-size: 0.94rem;
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #fff;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(226, 232, 240, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.menu-toggle span {
  position: absolute;
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 999px;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle span:first-child {
  transform: translateY(-4px);
}

.menu-toggle span:last-child {
  transform: translateY(4px);
}

body.nav-open .menu-toggle span:first-child {
  transform: rotate(45deg);
}

body.nav-open .menu-toggle span:last-child {
  transform: rotate(-45deg);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 32px;
  border-radius: 12px;
  font-size: 0.98rem;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.header-cta,
.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-accent-end));
  box-shadow: 0 16px 30px rgba(99, 102, 241, 0.25);
}

.button-secondary {
  color: var(--color-text-light);
  border: 1px solid rgba(226, 232, 240, 0.26);
  background: transparent;
}

.button:hover,
.header-cta:hover {
  transform: scale(1.02);
  box-shadow: 0 18px 36px rgba(99, 102, 241, 0.32);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hero-section {
  overflow: hidden;
  padding-top: clamp(150px, 14vw, 196px);
  padding-bottom: 140px;
}

.hero-section::before,
.hero-section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-section::before {
  background:
    linear-gradient(rgba(226, 232, 240, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(226, 232, 240, 0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 70% 35%, black 0%, black 28%, transparent 72%);
  opacity: 0.18;
}

.hero-section::after {
  background:
    radial-gradient(circle at 18% 18%, rgba(59, 130, 246, 0.16), transparent 26%),
    radial-gradient(circle at 78% 30%, rgba(139, 92, 246, 0.14), transparent 22%),
    radial-gradient(circle at 82% 82%, rgba(6, 182, 212, 0.14), transparent 18%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  align-items: center;
  gap: 56px;
}

.hero-chip,
.section-kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 8px 14px;
  border-radius: 999px;
  font-family: var(--font-brand);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-chip {
  color: rgba(226, 232, 240, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.26);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 36px rgba(59, 130, 246, 0.12);
}

.hero-copy h1,
.section-heading h2,
.delivery-copy h3,
.bento-card h3,
.final-copy h2 {
  margin: 18px 0 0;
  font-family: var(--font-cn);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  color: #fff;
  font-size: clamp(3.8rem, 6vw, 6.4rem);
  line-height: 0.96;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-accent-end));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  max-width: 34ch;
  margin: 24px 0 0;
  color: var(--color-text-muted-light);
  font-size: 1.25rem;
  line-height: 1.65;
  letter-spacing: 0.01em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.hero-metadata {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 28px;
  color: rgba(226, 232, 240, 0.72);
  font-size: 0.95rem;
}

.hero-metadata span {
  position: relative;
  padding-left: 18px;
}

.hero-metadata span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-cyan));
}

.hero-art-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.08);
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow-strong);
}

.hero-art-shell::before {
  content: "";
  position: absolute;
  inset: auto 24px 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(226, 232, 240, 0.16), transparent);
}

.section-heading {
  max-width: 760px;
}

.section-heading-light h2,
.section-heading-light p {
  color: var(--color-text-light);
}

.section-kicker {
  color: var(--color-accent-start);
  padding: 0;
}

.section-heading h2,
.final-copy h2 {
  color: var(--color-text-dark);
  font-size: clamp(2.6rem, 4.8vw, 4.8rem);
  line-height: 1;
}

.section-heading p,
.final-copy p {
  max-width: 60ch;
  margin: 18px 0 0;
  color: var(--color-text-muted-dark);
  font-size: 1rem;
  line-height: 1.75;
  letter-spacing: 0.01em;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-card);
  margin-top: 56px;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 32px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-start), var(--color-accent-end));
  opacity: 0;
  transition: opacity 180ms ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

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

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(139, 92, 246, 0.24));
}

.service-icon-purple {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(59, 130, 246, 0.2));
}

.service-icon-cyan {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.22), rgba(59, 130, 246, 0.16));
}

.service-icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: url(#service-gradient);
  stroke: #fff;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  margin: 22px 0 12px;
  font-family: var(--font-cn);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.25;
}

.service-card p {
  margin: 0;
  color: var(--color-text-muted-dark);
  font-size: 1rem;
  line-height: 1.8;
}

.service-link {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-top: auto;
  padding-top: 24px;
  color: var(--color-accent-start);
  font-weight: 600;
}

.service-link span {
  transition: transform 180ms ease;
}

.service-card:hover .service-link span {
  transform: translateX(4px);
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-top: 64px;
}

.timeline-line {
  position: absolute;
  left: 12%;
  right: 12%;
  top: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-start), var(--color-accent-end), var(--color-cyan));
  opacity: 0.7;
}

.timeline-step {
  position: relative;
  padding-top: 0;
}

.timeline-node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-accent-end));
  color: #fff;
  font-family: var(--font-brand);
  font-size: 1.15rem;
  font-weight: 700;
  box-shadow: 0 16px 32px rgba(99, 102, 241, 0.24);
}

.timeline-step h3 {
  margin: 24px 0 10px;
  font-family: var(--font-cn);
  font-size: 1.4rem;
  font-weight: 700;
}

.timeline-step p {
  margin: 0;
  color: var(--color-text-muted-dark);
  line-height: 1.75;
}

.delivery-section::before,
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 96px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent);
  clip-path: polygon(0 0, 100% 0, 100% 40%, 0 100%);
}

.delivery-stack {
  display: grid;
  gap: 72px;
  margin-top: 72px;
}

.delivery-item {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 44px;
  align-items: center;
}

.delivery-item-reverse {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

.delivery-item-reverse .delivery-figure {
  order: 2;
}

.delivery-item-reverse .delivery-copy {
  order: 1;
}

.delivery-figure {
  display: flex;
  justify-content: center;
}

.abstract-figure {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 1;
  border-radius: 28px;
  border: 1px solid var(--color-border-dark);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  overflow: hidden;
}

.abstract-figure span {
  position: absolute;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-accent-end));
}

.abstract-figure-a span:nth-child(1) {
  inset: 46px auto auto 52px;
  width: 108px;
  height: 108px;
}

.abstract-figure-a span:nth-child(2) {
  inset: 168px 58px auto auto;
  width: 76px;
  height: 76px;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-accent-start));
}

.abstract-figure-a span:nth-child(3) {
  inset: auto 58px 62px auto;
  width: 186px;
  height: 22px;
}

.abstract-figure-b span:nth-child(1) {
  inset: 52px auto auto 52px;
  width: 132px;
  height: 22px;
}

.abstract-figure-b span:nth-child(2) {
  inset: 104px auto auto 52px;
  width: 240px;
  height: 22px;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-accent-start));
}

.abstract-figure-b span:nth-child(3) {
  inset: auto 54px 64px auto;
  width: 92px;
  height: 92px;
}

.abstract-figure-b span:nth-child(4) {
  inset: 164px 84px auto auto;
  width: 28px;
  height: 160px;
}

.abstract-figure-c span:nth-child(1) {
  inset: 62px auto auto 62px;
  width: 128px;
  height: 128px;
}

.abstract-figure-c span:nth-child(2) {
  inset: 194px auto auto 128px;
  width: 164px;
  height: 22px;
}

.abstract-figure-c span:nth-child(3) {
  inset: auto 62px 62px auto;
  width: 86px;
  height: 86px;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-accent-end));
}

.delivery-copy small,
.capability-band-card small,
.bento-card small,
.metric-card p,
.footer-links h3,
.footer-contact h3 {
  display: inline-flex;
  font-family: var(--font-brand);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.delivery-copy small {
  color: rgba(226, 232, 240, 0.7);
}

.delivery-copy h3 {
  color: #fff;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.04;
}

.delivery-copy p {
  margin: 16px 0 0;
  color: var(--color-text-muted-light);
  line-height: 1.8;
}

.metric-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.metric-tags span {
  display: inline-flex;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(226, 232, 240, 0.88);
  font-size: 0.92rem;
}

.products-bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 32px;
  margin-top: 56px;
}

.bento-card {
  padding: 32px;
  border-radius: 24px;
  border: 1px solid var(--color-border);
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.bento-card-primary {
  grid-column: span 5;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
}

.bento-card-mockup {
  grid-column: span 7;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(180deg, #0f172a, #161d34);
}

.mockup-shell {
  transform: perspective(1400px) rotateX(8deg) rotateY(-14deg);
  box-shadow: 0 40px 80px rgba(2, 6, 23, 0.3);
}

.bento-card-loop {
  grid-column: span 5;
}

.bento-card-note {
  grid-column: span 7;
}

.bento-card h3 {
  color: var(--color-text-dark);
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1;
}

.bento-card p {
  color: var(--color-text-muted-dark);
  line-height: 1.78;
}

.bento-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.bento-tags span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-accent-start);
  font-size: 0.9rem;
  font-weight: 600;
}

.loop-diagram {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.loop-diagram div {
  position: relative;
  padding: 18px 20px;
  border-radius: 16px;
  background: var(--color-surface-soft);
  font-weight: 600;
}

.loop-diagram div::after {
  content: "↻";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-accent-start);
}

.trust-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-top: 56px;
}

.metric-card {
  padding: 34px;
  border: 1px solid var(--color-border);
  border-radius: 24px;
  background: #fff;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.metric-card strong,
.metric-card span {
  font-family: var(--font-brand);
  font-size: clamp(3rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1;
}

.metric-card strong {
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-accent-end));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.metric-card span {
  color: var(--color-accent-end);
}

.metric-card p {
  margin: 14px 0 0;
  color: var(--color-text-muted-dark);
  font-size: 0.86rem;
}

.trust-story-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.trust-story-card {
  padding: 28px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.98)),
    linear-gradient(135deg, rgba(59, 130, 246, 0.04), rgba(139, 92, 246, 0.05));
  box-shadow: var(--shadow-soft);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.trust-story-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(99, 102, 241, 0.18);
}

.trust-story-card small {
  display: inline-flex;
  font-family: var(--font-brand);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-start);
}

.trust-story-card h3 {
  margin: 18px 0 10px;
  font-family: var(--font-cn);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-dark);
}

.trust-story-card p {
  margin: 0;
  color: var(--color-text-muted-dark);
  line-height: 1.78;
}

.site-footer {
  position: relative;
  padding-top: 120px;
  padding-bottom: 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr) minmax(0, 0.9fr);
  gap: 40px;
}

.footer-brand-top {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.footer-brand strong {
  display: block;
  font-family: var(--font-brand);
  font-size: 1.4rem;
  font-weight: 700;
}

.footer-brand p,
.footer-contact p {
  margin: 10px 0 0;
  color: var(--color-text-muted-light);
  line-height: 1.8;
}

.footer-contact p {
  max-width: 34ch;
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.footer-badges span {
  display: inline-flex;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(226, 232, 240, 0.9);
  font-size: 0.9rem;
}

.footer-note {
  color: rgba(148, 163, 184, 0.84);
  font-size: 0.92rem;
}

.consult-panel {
  margin-top: 22px;
  padding: 22px;
  border: 1px solid rgba(226, 232, 240, 0.1);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
}

.consult-panel strong {
  display: block;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
}

.consult-checklist {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.consult-checklist li {
  position: relative;
  padding-left: 18px;
  color: rgba(226, 232, 240, 0.82);
  line-height: 1.7;
}

.consult-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-cyan));
}

.footer-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 20px;
  padding: 0 18px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(139, 92, 246, 0.92));
  box-shadow: 0 14px 28px rgba(99, 102, 241, 0.2);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.footer-action:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(99, 102, 241, 0.28);
}

.social-list {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.social-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(226, 232, 240, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.social-chip svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: rgba(226, 232, 240, 0.78);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.footer-links h3,
.footer-contact h3 {
  margin: 0 0 18px;
  color: rgba(226, 232, 240, 0.66);
}

.footer-links a {
  display: block;
  margin-bottom: 12px;
  color: rgba(226, 232, 240, 0.88);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid rgba(226, 232, 240, 0.08);
  color: rgba(226, 232, 240, 0.56);
  font-size: 0.92rem;
}

.final-cta {
  text-align: center;
}

.final-copy h2 {
  max-width: 16ch;
  margin-left: auto;
  margin-right: auto;
}

.final-copy p {
  margin-left: auto;
  margin-right: auto;
}

.floating-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 22px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-accent-end));
  box-shadow: 0 18px 34px rgba(99, 102, 241, 0.3);
  animation: pulse 2.2s ease-in-out infinite;
}

.floating-cta:hover {
  transform: scale(1.02);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
}

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

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 18px 34px rgba(99, 102, 241, 0.28);
  }
  50% {
    box-shadow: 0 18px 44px rgba(99, 102, 241, 0.42);
  }
}

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

  * {
    animation: none !important;
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 1024px) {
  .hero-grid,
  .delivery-item,
  .delivery-item-reverse,
  .products-bento,
  .footer-grid,
  .trust-metrics,
  .trust-story-grid,
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .hero-art {
    max-width: 720px;
    width: 100%;
    margin: 0 auto;
  }

  .delivery-item,
  .delivery-item-reverse {
    grid-template-columns: 1fr;
  }

  .delivery-item-reverse .delivery-figure,
  .delivery-item-reverse .delivery-copy {
    order: initial;
  }

  .bento-card-primary,
  .bento-card-mockup,
  .bento-card-loop,
  .bento-card-note {
    grid-column: span 1;
  }

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

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

@media (max-width: 768px) {
  main {
    padding-bottom: 88px;
  }

  .page-section {
    padding: var(--space-section-mobile) 0;
  }

  .site-header {
    padding-top: 12px;
  }

  .site-header-inner {
    grid-template-columns: auto auto auto;
    gap: 16px;
  }

  .menu-toggle {
    position: relative;
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 12px);
    display: none;
    flex-direction: column;
    padding: 16px;
    border: 1px solid rgba(226, 232, 240, 0.08);
    border-radius: 18px;
    background: rgba(10, 15, 30, 0.94);
    box-shadow: 0 24px 60px rgba(2, 6, 23, 0.32);
  }

  body.nav-open .site-nav {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .hero-copy,
  .section-heading,
  .final-copy {
    text-align: center;
  }

  .hero-copy h1 {
    font-size: 3.4rem;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }

  .services-grid,
  .trust-metrics,
  .trust-story-grid,
  .products-bento,
  .footer-grid,
  .footer-links {
    grid-template-columns: 1fr;
  }

  .timeline {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .timeline-line {
    left: 27px;
    right: auto;
    top: 28px;
    bottom: 28px;
    width: 2px;
    height: auto;
  }

  .timeline-step {
    padding-left: 84px;
  }

  .timeline-node {
    position: absolute;
    left: 0;
    top: 0;
  }

  .delivery-stack {
    gap: 48px;
  }

  .floating-cta {
    right: 16px;
    left: auto;
    bottom: 16px;
    min-height: 52px;
    padding: 0 18px;
  }

  .footer-bottom {
    flex-direction: column;
  }
}