:root {
  color-scheme: light;
  --bg: #f3f9ff;
  --surface: #ffffff;
  --surface-soft: #f7fbff;
  --surface-accent: #edf6ff;
  --line: rgba(1, 56, 145, 0.10);
  --text: #142033;
  --muted: #5a687b;
  --blue-deep: #013891;
  --blue-main: #0d8de6;
  --blue-soft: #d7ecff;
  --shadow-xl: 0 32px 80px -48px rgba(1, 56, 145, 0.55);
  --shadow-soft: 0 24px 60px -42px rgba(13, 141, 230, 0.28);
  --shell: min(1180px, calc(100vw - 40px));
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, #f8fbff 0%, #eef6ff 100%);
}

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

a {
  color: inherit;
}

.shell {
  width: var(--shell);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(1, 56, 145, 0.08);
}

.header-shell,
.footer-shell,
.header-nav,
.header-actions,
.hero-actions,
.hero-points,
.steps-grid,
.audiences-grid,
.gallery-grid,
.operations-grid,
.social-grid,
.cta-actions,
.footer-links {
  display: flex;
}

.header-shell,
.footer-shell {
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  width: 154px;
  height: auto;
}

.header-nav {
  gap: 22px;
  align-items: center;
}

.header-nav a {
  color: rgba(20, 32, 51, 0.84);
  font-size: 0.96rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-cities {
  position: relative;
}

.nav-cities summary {
  list-style: none;
  cursor: pointer;
  color: rgba(20, 32, 51, 0.84);
  font-size: 0.96rem;
  font-weight: 700;
}

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

.nav-cities-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 180px;
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid rgba(1, 56, 145, 0.10);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-soft);
}

.nav-cities-menu a {
  padding: 8px 10px;
  border-radius: 8px;
}

.nav-cities-menu a:hover {
  background: rgba(13, 141, 230, 0.08);
}

.header-actions {
  gap: 12px;
  align-items: center;
}

.ghost-button,
.primary-button,
.secondary-button,
.audience-card a,
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.ghost-button:active,
.primary-button:active,
.secondary-button:active,
.audience-card a:active,
.social-link:active {
  transform: scale(0.97);
}

.ghost-button {
  border: 1px solid rgba(1, 56, 145, 0.12);
  background: rgba(255, 255, 255, 0.88);
  color: var(--blue-deep);
}

.primary-button {
  background: var(--blue-main);
  color: #ffffff;
  box-shadow: 0 16px 30px -24px rgba(13, 141, 230, 0.95);
}

.secondary-button {
  border: 1px solid rgba(1, 56, 145, 0.12);
  background: rgba(255, 255, 255, 0.78);
  color: var(--blue-deep);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, #f9fcff 0%, #edf6ff 100%);
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.18) 42%, rgba(255,255,255,0.72) 100%),
    repeating-linear-gradient(
      90deg,
      rgba(13,141,230,0.03) 0,
      rgba(13,141,230,0.03) 1px,
      transparent 1px,
      transparent 34px
    ),
    url('./assets/brand/logo-full.png') right 8% center / min(42vw, 560px) auto no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 0%, rgba(13,141,230,0.04) 35%, transparent 62%);
  pointer-events: none;
}

.hero-shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: 30px;
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: 88px 0 96px;
}

.hero-shell-single {
  grid-template-columns: 1fr;
  min-height: auto;
}

.eyebrow,
.mini-label {
  display: block;
  margin: 0 0 12px;
  color: var(--blue-main);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-copy h1,
.section-heading h2,
.cta-shell h2 {
  letter-spacing: 0;
}

.hero-copy h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(3rem, 5vw, 5.4rem);
  line-height: 0.95;
}

.hero-lead {
  max-width: 42rem;
  margin: 22px 0 0;
  color: rgba(20, 32, 51, 0.76);
  font-size: 1.08rem;
  line-height: 1.72;
}

.hero-actions,
.cta-actions {
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.hero-points {
  gap: 10px;
  flex-wrap: wrap;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.hero-points li {
  padding: 10px 14px;
  border: 1px solid rgba(1, 56, 145, 0.10);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--blue-deep);
  font-size: 0.92rem;
  font-weight: 700;
  box-shadow: var(--shadow-soft);
}

.hero-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-scene {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 18px;
  width: min(100%, 560px);
}

.showcase-card,
.step,
.audience-card,
.gallery-card,
.operation-item,
.social-card,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-soft);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.showcase-card:hover,
.step:hover,
.audience-card:hover,
.gallery-card:hover,
.operation-item:hover,
.social-card:hover,
.faq-list details:hover {
  transform: translateY(-3px);
  border-color: rgba(13, 141, 230, 0.20);
  box-shadow: 0 28px 56px -44px rgba(1, 56, 145, 0.28);
}

.showcase-card {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
}

.showcase-card::before,
.gallery-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.72) 0%, rgba(255,255,255,0) 42%),
    linear-gradient(180deg, rgba(13,141,230,0.08) 0%, rgba(13,141,230,0) 60%);
  pointer-events: none;
}

.showcase-card::after,
.gallery-art::after {
  content: "";
  position: absolute;
  inset: -25% auto auto -35%;
  width: 58%;
  height: 180%;
  transform: rotate(18deg);
  background: linear-gradient(180deg, rgba(255,255,255,0), rgba(255,255,255,0.34), rgba(255,255,255,0));
  opacity: 0.7;
  animation: sweep 12s linear infinite;
  pointer-events: none;
}

.showcase-card-main {
  grid-row: span 2;
  min-height: 520px;
  padding: 28px;
  transform: rotate(-4deg);
}

.showcase-card-city,
.showcase-card-company {
  padding: 20px;
  min-height: 250px;
}

.showcase-card-city {
  transform: translateY(18px) rotate(4deg);
}

.showcase-card-company {
  transform: translateX(-12px) rotate(2deg);
}

.showcase-image-wrap,
.gallery-art {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.96), rgba(229,243,255,0.90)),
    repeating-linear-gradient(
      135deg,
      rgba(13,141,230,0.04) 0,
      rgba(13,141,230,0.04) 18px,
      rgba(255,255,255,0.0) 18px,
      rgba(255,255,255,0.0) 36px
    );
}

.showcase-image-wrap {
  min-height: 240px;
}

.showcase-image-wrap-square {
  min-height: 132px;
}

.showcase-image,
.gallery-image {
  position: relative;
  z-index: 1;
  object-fit: contain;
}

.showcase-logo-image,
.gallery-logo {
  width: min(100%, 330px);
}

.showcase-mark-image,
.showcase-app-image,
.gallery-mark,
.gallery-app {
  width: 112px;
  height: 112px;
  border-radius: 24px;
  box-shadow: 0 22px 32px -24px rgba(13, 141, 230, 0.34);
}

.showcase-copy {
  position: relative;
  z-index: 1;
  margin-top: 18px;
}

.showcase-copy strong {
  display: block;
  color: var(--blue-deep);
  font-size: 1.4rem;
  line-height: 1.12;
}

.showcase-copy p,
.step p,
.audience-card p,
.gallery-copy p,
.operation-item p,
.social-card p,
.faq-list p,
.footer-shell p {
  margin: 0;
  color: var(--muted);
  line-height: 1.68;
}

.showcase-copy p {
  margin-top: 10px;
}

.band {
  padding: 88px 0;
}

.band-intro,
.band-faq,
.site-footer {
  background: var(--surface);
}

.band-audiences,
.band-cta {
  background: var(--surface-soft);
}

.band-gallery {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.58), rgba(255,255,255,0.58)),
    repeating-linear-gradient(
      90deg,
      rgba(13,141,230,0.03) 0,
      rgba(13,141,230,0.03) 1px,
      transparent 1px,
      transparent 28px
    );
}

.band-operations {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.7), rgba(255,255,255,0.7)),
    linear-gradient(135deg, rgba(13,141,230,0.05), transparent 42%);
}

.band-social {
  background: var(--surface-accent);
}

.band-cities-highlight,
.band-city-list {
  background: var(--surface);
}

.section-heading {
  max-width: 52rem;
  margin-bottom: 36px;
}

.section-heading h2,
.cta-shell h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(2rem, 3vw, 3.2rem);
  line-height: 1.08;
}

.steps-grid,
.audiences-grid,
.gallery-grid,
.operations-grid,
.social-grid {
  gap: 18px;
  flex-wrap: wrap;
}

.step,
.audience-card,
.gallery-card,
.operation-item,
.social-card {
  flex: 1 1 220px;
  min-width: min(100%, 240px);
  padding: 22px;
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  margin-bottom: 16px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-weight: 900;
}

.step h3,
.audience-card h3,
.gallery-copy h3,
.operation-item h3,
.social-card h3 {
  margin: 0 0 10px;
  color: var(--blue-deep);
  font-size: 1.22rem;
  line-height: 1.2;
}

.audience-tag {
  margin-bottom: 10px;
  color: var(--blue-deep);
  font-size: 0.9rem;
  font-weight: 800;
}

.audience-card a,
.social-link {
  padding: 0;
  min-height: auto;
  border: 0;
  background: none;
  color: var(--blue-deep);
  justify-content: flex-start;
}

.city-highlight-card,
.city-card {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(220px, 0.95fr);
  gap: 22px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-soft);
}

.city-highlight-copy h3,
.city-card-copy h3 {
  margin: 0 0 10px;
  color: var(--blue-deep);
  font-size: 1.3rem;
  line-height: 1.2;
}

.city-highlight-copy p,
.city-card-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.68;
}

.city-highlight-actions,
.city-card-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.city-highlight-visual,
.city-card-art {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  border-radius: 22px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.96), rgba(229,243,255,0.90)),
    repeating-linear-gradient(
      135deg,
      rgba(13,141,230,0.04) 0,
      rgba(13,141,230,0.04) 18px,
      rgba(255,255,255,0.0) 18px,
      rgba(255,255,255,0.0) 36px
    );
}

.city-highlight-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 1;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.88);
  color: var(--blue-deep);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.city-highlight-image,
.city-card-image {
  width: 140px;
  height: 140px;
  border-radius: 32px;
  box-shadow: 0 22px 32px -24px rgba(13, 141, 230, 0.34);
}

.cities-grid {
  display: grid;
  gap: 18px;
}

.gallery-grid {
  align-items: stretch;
}

.gallery-card {
  display: grid;
  gap: 16px;
}

.gallery-card-wide {
  flex-basis: min(100%, 520px);
}

.gallery-art {
  min-height: 220px;
}

.gallery-art-brand {
  min-height: 250px;
}

.operations-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 28px;
  align-items: start;
}

.section-heading-left {
  margin-bottom: 0;
}

.faq-shell {
  display: grid;
  gap: 18px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

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

.faq-list details p {
  margin-top: 12px;
}

.band-cta {
  position: relative;
  overflow: hidden;
}

.band-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(13,141,230,0.04), transparent 46%);
  pointer-events: none;
}

.cta-shell {
  position: relative;
  text-align: center;
}

.cta-shell .eyebrow {
  color: var(--blue-deep);
}

.cta-shell h2 {
  max-width: 18ch;
  margin-inline: auto;
}

.cta-actions {
  justify-content: center;
}

.band-cta .primary-button {
  box-shadow: none;
}

.footer-shell {
  padding: 24px 0;
  min-height: auto;
  flex-wrap: wrap;
}

.footer-brand {
  display: grid;
  gap: 10px;
}

.footer-logo {
  width: 126px;
}

.footer-links {
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--blue-deep);
  font-weight: 700;
  text-decoration: none;
}

#footer-year {
  color: var(--muted);
  font-weight: 700;
}

@keyframes sweep {
  0% {
    transform: translateX(-16%) rotate(18deg);
  }
  100% {
    transform: translateX(210%) rotate(18deg);
  }
}

@media (max-width: 1040px) {
  .hero-shell,
  .operations-shell {
    grid-template-columns: 1fr;
  }

  .hero-shell {
    min-height: auto;
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .hero-stage {
    margin-top: 12px;
  }

  .showcase-scene {
    width: 100%;
    max-width: 620px;
  }
}

@media (max-width: 760px) {
  .site-header {
    position: static;
  }

  .header-shell {
    min-height: auto;
    padding: 18px 0;
    flex-wrap: wrap;
  }

  .header-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .header-nav a {
    white-space: nowrap;
  }

  .nav-cities-menu {
    position: static;
    margin-top: 8px;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .brand-logo {
    width: 132px;
  }

  .hero-backdrop {
    background:
      linear-gradient(180deg, rgba(247,251,255,0.98) 0%, rgba(237,246,255,0.92) 48%, rgba(243,249,255,0.98) 100%),
      url('./assets/brand/logo-full.png') center 12% / 74vw auto no-repeat;
  }

  .hero-shell {
    padding-top: 42px;
    padding-bottom: 62px;
  }

  .hero-copy h1 {
    font-size: clamp(2.5rem, 12vw, 4rem);
    max-width: none;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .showcase-scene {
    grid-template-columns: 1fr;
    width: 100%;
    gap: 14px;
  }

  .city-highlight-card,
  .city-card {
    grid-template-columns: 1fr;
  }

  .showcase-card-main,
  .showcase-card-city,
  .showcase-card-company {
    transform: none;
  }

  .showcase-card-main {
    min-height: auto;
  }

  .showcase-image-wrap {
    min-height: 180px;
  }

  .showcase-image-wrap-square {
    min-height: 112px;
  }

  .showcase-copy strong {
    font-size: 1.22rem;
  }

  .band {
    padding: 68px 0;
  }

  .section-heading {
    margin-bottom: 28px;
  }
}