@import url("./assets/brand-tokens.css?v=20260513-design");

:root {
  color-scheme: light;
  --bg: var(--bg-1);
  --surface: var(--bg-2);
  --surface-2: var(--bg-1);
  --surface-3: var(--bg-3);
  --text: var(--ink-1);
  --text-secondary: var(--ink-2);
  --text-muted: var(--ink-3);
  --accent: var(--brand-1);
  --accent-strong: var(--brand-hover);
  --green: var(--success);
  --blue: var(--info);
  --red: var(--danger);
  --brand: var(--brand-1);
  --brand-strong: var(--brand-hover);
  --border: var(--bg-4);
  --border-strong: var(--neft-border-strong);
  --shadow: var(--shadow-3);
  --radius: var(--r-md);
  --container: 1180px;
  --font: var(--font-sans);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background: var(--bg);
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--brand);
  color: var(--on-brand);
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  transition: transform 160ms ease;
}

.skip-link:focus {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px clamp(18px, 4vw, 48px);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-2) 90%, transparent);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
  text-decoration: none;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid color-mix(in srgb, var(--brand) 20%, transparent);
  border-radius: var(--radius);
  background: var(--brand-faint);
}

.brand__mark img {
  width: 24px;
  height: 24px;
}

.brand__copy {
  display: grid;
  gap: 2px;
}

.brand__name {
  font-size: 19px;
  font-weight: 900;
  line-height: 21px;
  letter-spacing: 0;
}

.brand__caption,
.eyebrow,
.card-kicker {
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.06em;
  line-height: 14px;
  text-transform: uppercase;
}

.top-nav,
.header-actions,
.hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.top-nav {
  justify-content: center;
}

.top-nav a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 850;
  line-height: 20px;
  text-decoration: none;
  transition:
    transform 120ms ease,
    border-color 120ms ease,
    background 120ms ease,
    color 120ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:focus-visible,
.portal-tab:focus-visible,
.contact-card:focus-visible,
.case-card:focus-visible,
.security-card:focus-visible,
.top-nav a:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring, 0 0 0 4px color-mix(in srgb, var(--info) 28%, transparent));
}

.button--primary {
  background: var(--brand);
  color: var(--on-brand);
}

.button--primary:hover {
  background: var(--brand-strong);
}

.button--secondary {
  border-color: color-mix(in srgb, var(--success) 42%, transparent);
  background: color-mix(in srgb, var(--success) 16%, transparent);
  color: var(--text);
}

.button--ghost {
  border-color: var(--border);
  background: color-mix(in srgb, var(--bg-2) 5%, transparent);
  color: var(--text-secondary);
}

.hero {
  position: relative;
  display: grid;
  align-items: end;
  min-height: calc(82vh - 74px);
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero__media,
.hero__overlay {
  position: absolute;
  inset: 0;
}

.hero__media {
  z-index: -2;
  background: var(--bg-1);
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.02) contrast(1.04);
}

.hero__overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--bg-1) 96%, transparent), color-mix(in srgb, var(--bg-1) 72%, transparent) 46%, color-mix(in srgb, var(--bg-1) 28%, transparent)),
    linear-gradient(180deg, color-mix(in srgb, var(--bg-1) 16%, transparent), color-mix(in srgb, var(--bg-1) 92%, transparent));
}

.hero__content,
.section,
.site-footer {
  width: min(var(--container), calc(100% - 36px));
  margin: 0 auto;
}

.hero__content {
  display: grid;
  gap: 24px;
  padding: clamp(64px, 9vw, 118px) 0 clamp(46px, 7vw, 78px);
}

.hero h1,
.section h2,
.portal-card h3 {
  margin: 0;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 850px;
  font-size: 68px;
  font-weight: 900;
  line-height: 0.98;
}

.hero__lead,
.section-heading p,
.pillar-card p,
.feature-card p,
.fuel-card p,
.quality-list span,
.map-panel p,
.portal-card p,
.case-card span,
.contact-card small,
.address-strip span {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 26px;
}

.hero__lead {
  max-width: 760px;
  margin: 0;
}

.hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 180px));
  gap: 12px;
  margin: 6px 0 0;
}

.pillar-card,
.feature-card,
.fuel-card,
.quality-list article,
.map-panel,
.portal-panel,
.case-card,
.contact-card,
.address-strip {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero__facts div {
  border: 1px solid color-mix(in srgb, var(--bg-2) 18%, transparent);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--brand-1) 72%, transparent);
  box-shadow: var(--shadow);
  padding: 14px;
  backdrop-filter: blur(12px);
}

.hero__facts dt {
  color: var(--accent-strong);
  font-size: 28px;
  font-weight: 900;
  line-height: 32px;
}

.hero__facts dd {
  margin: 3px 0 0;
  color: color-mix(in srgb, var(--bg-2) 72%, transparent);
  font-size: 13px;
  line-height: 18px;
}

.section {
  padding: clamp(48px, 8vw, 86px) 0;
}

.section--intro {
  padding-top: clamp(36px, 6vw, 58px);
}

.section--band {
  position: relative;
}

.section--split {
  display: grid;
  grid-template-columns: 0.86fr 1fr;
  gap: 32px;
  align-items: start;
}

.section-heading {
  display: grid;
  gap: 12px;
  max-width: 780px;
}

.section h2 {
  font-size: 44px;
  font-weight: 900;
  line-height: 1.08;
}

.section-heading p {
  margin: 0;
}

.pillar-grid,
.feature-grid,
.fuel-grid,
.case-grid,
.contact-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

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

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

.fuel-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.case-grid,
.contact-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.pillar-card,
.feature-card,
.fuel-card,
.case-card {
  display: grid;
  gap: 12px;
  min-height: 190px;
  padding: 20px;
}

.pillar-card,
.feature-card,
.fuel-card,
.case-card,
.contact-card {
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    background 140ms ease;
}

.pillar-card:hover,
.feature-card:hover,
.fuel-card:hover,
.case-card:hover,
.contact-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
}

.pillar-card h3,
.feature-card h3,
.fuel-card h3,
.map-panel h3,
.portal-card h3 {
  margin: 0;
  font-size: 21px;
  line-height: 27px;
}

.pillar-card p,
.feature-card p,
.fuel-card p,
.case-card span {
  margin: 0;
}

.feature-card {
  min-height: 220px;
}

.fuel-card {
  min-height: 210px;
  background: var(--surface);
}

.pillar-card--security {
  border-color: color-mix(in srgb, var(--success) 34%, transparent);
  background: var(--surface);
}

.fuel-card span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid color-mix(in srgb, var(--brand) 28%, var(--border));
  border-radius: var(--radius);
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-weight: 900;
}

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

.quality-list article {
  display: grid;
  gap: 8px;
  padding: 18px;
}

.quality-list strong,
.case-card strong,
.contact-card strong,
.address-strip strong {
  color: var(--text);
  font-size: 18px;
  line-height: 24px;
}

.map-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 24px;
  margin-top: 28px;
  overflow: hidden;
  min-height: 360px;
}

.map-panel__visual {
  position: relative;
  min-height: 360px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--info) 16%, transparent), transparent 42%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg-2) 4%, transparent), color-mix(in srgb, var(--bg-2) 1%, transparent)),
    var(--ink-1);
}

.map-panel__visual::before {
  content: "";
  position: absolute;
  inset: 34px;
  border: 1px solid color-mix(in srgb, var(--bg-2) 9%, transparent);
  background-image:
    linear-gradient(color-mix(in srgb, var(--bg-2) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--bg-2) 5%, transparent) 1px, transparent 1px);
  background-size: 52px 52px;
}

.map-dot,
.map-line {
  position: absolute;
  display: block;
}

.map-dot {
  width: 16px;
  height: 16px;
  border: 3px solid var(--ink-1);
  border-radius: var(--r-pill);
  background: var(--brand);
  box-shadow: 0 0 0 10px color-mix(in srgb, var(--brand) 14%, transparent);
}

.map-dot--moscow {
  left: 46%;
  top: 36%;
}

.map-dot--north {
  left: 34%;
  top: 22%;
  background: var(--blue);
  box-shadow: var(--map-dot-info-shadow, 0 0 0 10px color-mix(in srgb, var(--info) 12%, transparent));
}

.map-dot--volga {
  left: 60%;
  top: 52%;
  background: var(--green);
  box-shadow: var(--map-dot-success-shadow, 0 0 0 10px color-mix(in srgb, var(--success) 12%, transparent));
}

.map-dot--south {
  left: 42%;
  top: 68%;
  background: var(--danger);
  box-shadow: 0 0 0 10px color-mix(in srgb, var(--danger) 14%, transparent);
}

.map-line {
  height: 2px;
  transform-origin: left center;
  background: var(--brand);
}

.map-line--one {
  left: 37%;
  top: 31%;
  width: 170px;
  transform: rotate(24deg);
}

.map-line--two {
  left: 48%;
  top: 43%;
  width: 160px;
  transform: rotate(118deg);
}

.map-panel__copy {
  display: grid;
  align-content: center;
  gap: 12px;
  padding: 26px;
}

.map-panel__copy p {
  margin: 0;
}

.portal-panel {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.portal-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.portal-tab {
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-2) 4%, transparent);
  color: var(--text-secondary);
  cursor: pointer;
  font: inherit;
  font-weight: 850;
}

.portal-tab.is-active {
  border-color: var(--brand);
  background: var(--brand);
  color: var(--on-brand);
}

.portal-card {
  display: grid;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.portal-card .button {
  width: fit-content;
}

.case-card {
  min-height: 150px;
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.security-card {
  display: grid;
  gap: 10px;
  min-height: 170px;
  padding: 20px;
  border: 1px solid color-mix(in srgb, var(--brand) 24%, var(--border));
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.security-card strong {
  font-size: 19px;
  line-height: 25px;
}

.security-card span,
.security-note {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 24px;
}

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

.contact-card {
  display: grid;
  gap: 8px;
  min-height: 150px;
  padding: 18px;
  text-decoration: none;
}

.contact-card span {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.address-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 16px;
  padding: 18px;
}

.security-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--brand) 28%, var(--border));
  border-radius: var(--radius);
  background: var(--brand-faint);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  justify-content: space-between;
  padding: 32px 0 42px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
}

.site-footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--text);
}

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

  .hero h1 {
    font-size: 56px;
  }

  .feature-grid--four,
  .fuel-grid,
  .case-grid,
  .security-grid,
  .pillar-grid,
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section--split,
  .map-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
    padding-block: 12px;
  }

  .header-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .header-actions .button {
    width: 100%;
    min-height: 48px;
    padding-inline: 14px;
  }

  .hero__actions .button {
    width: 100%;
  }

  .hero {
    min-height: calc(88vh - 128px);
  }

  .hero__overlay {
    background:
      linear-gradient(90deg, color-mix(in srgb, var(--bg-1) 98%, transparent), color-mix(in srgb, var(--bg-1) 86%, transparent)),
      linear-gradient(180deg, color-mix(in srgb, var(--bg-1) 28%, transparent), color-mix(in srgb, var(--bg-1) 96%, transparent));
  }

  .hero h1 {
    font-size: 40px;
    line-height: 1.02;
  }

  .section h2 {
    font-size: 32px;
  }

  .hero__facts,
  .pillar-grid,
  .feature-grid--four,
  .fuel-grid,
  .case-grid,
  .contact-grid,
  .portal-tabs {
    grid-template-columns: 1fr;
  }

  .map-panel__visual {
    min-height: 280px;
  }

  .address-strip {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}