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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

img,
picture,
video,
canvas {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

ul,
ol {
  list-style: none;
}

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

button {
  background: none;
  border: none;
  cursor: pointer;
}

:root {
  --color-bg: #071B2E;
  --color-bg-deep: #051321;
  --color-card: #0E2A46;
  --color-accent: #FF6B35;
  --color-lime: #C6FF3D;
  --color-blue: #1B4C7C;
  --color-text: #F4F7FB;
  --color-text-weak: #A8BED4;
  --color-danger: #FF3B30;
  --color-success: #30D158;
  --font-display: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Consolas", "Liberation Mono", monospace;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --rail-width: 240px;
  --container-max: 1200px;
  --header-h: 64px;
  --border-w: 2px;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --shadow-1: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-2: 0 10px 30px rgba(0, 0, 0, 0.45);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(ellipse 55% 40% at 90% -10%, rgba(27, 76, 124, 0.35), transparent),
    radial-gradient(ellipse 35% 25% at 0% 110%, rgba(255, 107, 53, 0.06), transparent);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

:focus-visible {
  outline: 3px solid var(--color-lime);
  outline-offset: 2px;
}

.site-container {
  width: min(100% - 32px, var(--container-max));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 3000;
  padding: 12px 20px;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--radius-sm);
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 16px;
}

.page-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 2500;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.05);
}

.page-progress__fill {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-lime));
  box-shadow: 0 0 8px rgba(255, 107, 53, 0.4);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background: rgba(7, 27, 46, 0.97);
  border-bottom: 2px solid rgba(255, 107, 53, 0.25);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: var(--header-h);
  padding: 0 var(--space-4);
}

.site-brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.site-brand__mark,
.footer-brand__mark {
  position: relative;
  display: inline-block;
  flex: 0 0 auto;
  background: var(--color-accent);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.site-brand__mark::before,
.footer-brand__mark::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) skewX(-16deg);
  width: 9px;
  height: 17px;
  background: var(--color-bg);
}

.site-brand__mark::after,
.footer-brand__mark::after {
  content: "";
  position: absolute;
  right: 3px;
  bottom: 3px;
  width: 7px;
  height: 7px;
  background: var(--color-lime);
  border-radius: 50%;
}

.site-brand__mark {
  width: 34px;
  height: 34px;
}

.site-brand__copy,
.footer-brand__copy {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 0;
}

.site-brand__name,
.footer-brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--color-text);
  white-space: nowrap;
}

.site-brand__sub,
.footer-brand__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-weak);
  white-space: nowrap;
}

.site-brand__name {
  font-size: 18px;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  transition: border-color 0.2s, color 0.2s;
}

.nav-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.nav-toggle__icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 16px;
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

.nav-toggle__text {
  font-size: 13px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-nav {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 1400;
  width: min(320px, 85vw);
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
  background: #0A2240;
  border-right: 2px solid rgba(255, 107, 53, 0.4);
  transform: translateX(-100%);
  visibility: hidden;
  transition: transform 0.3s var(--ease), visibility 0.3s step-end;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.site-nav[data-open="true"] {
  transform: translateX(0);
  visibility: visible;
  transition: transform 0.3s var(--ease), visibility 0s;
}

.site-nav__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255, 107, 53, 0.25);
}

.site-nav__title {
  margin-right: auto;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  white-space: nowrap;
}

.site-nav__live {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-weak);
  white-space: nowrap;
}

.site-nav__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.site-nav__close:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}

.site-nav__close-icon {
  display: block;
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1;
}

.site-nav__list {
  position: relative;
}

.site-nav__list::before {
  content: "";
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 13px;
  width: 2px;
  background: linear-gradient(180deg, rgba(255, 107, 53, 0.35), rgba(27, 76, 124, 0.5));
}

.site-nav__item {
  position: relative;
  margin-bottom: 2px;
}

.site-nav__item::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-blue);
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.site-nav__item:hover::before {
  border-color: var(--color-accent);
}

.site-nav__item:has(.site-nav__link[aria-current="page"])::before {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.18);
}

.site-nav__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px 10px 32px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: background 0.2s, color 0.2s;
}

.site-nav__link:hover {
  background: rgba(255, 107, 53, 0.1);
  color: var(--color-accent);
}

.site-nav__link[aria-current="page"] {
  background: rgba(255, 107, 53, 0.12);
  color: var(--color-accent);
}

.site-nav__index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-weak);
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.site-nav__link[aria-current="page"] .site-nav__index {
  color: var(--color-accent);
}

.site-nav__name {
  font-size: 15px;
  font-weight: 500;
}

.site-nav__arrow {
  margin-left: auto;
  font-size: 14px;
  color: var(--color-lime);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.2s, transform 0.2s;
}

.site-nav__link:hover .site-nav__arrow,
.site-nav__link[aria-current="page"] .site-nav__arrow {
  opacity: 1;
  transform: translateX(0);
}

.site-nav__foot {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-nav__phone {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-accent);
}

.site-nav__hint {
  margin-top: 4px;
  font-size: 12px;
  color: var(--color-text-weak);
}

.site-scrim {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1350;
  background: rgba(4, 12, 22, 0.8);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease), visibility 0.3s step-end;
  pointer-events: none;
}

.site-scrim[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s var(--ease), visibility 0s;
  pointer-events: auto;
}

@media (min-width: 1280px) {
  body {
    padding-left: var(--rail-width);
  }

  .site-header {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: var(--rail-width);
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    padding: 28px 20px;
    border-right: 2px solid rgba(255, 107, 53, 0.25);
    border-bottom: none;
    overflow-y: auto;
  }

  .site-header__bar {
    height: auto;
    justify-content: flex-start;
    padding: 0;
    margin-bottom: 36px;
  }

  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    width: auto;
    height: auto;
    flex: 1;
    padding: 0;
    background: transparent;
    border: none;
    transform: none;
    visibility: visible;
    overflow: visible;
  }

  .site-nav[data-open="true"] {
    transform: none;
  }

  .site-nav__head {
    display: none;
  }

  .site-scrim {
    display: none;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  background: transparent;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.btn--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.35);
}

.btn--primary:hover {
  background: #ff814f;
  border-color: #ff814f;
  transform: translateY(-2px);
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.3), 0 8px 24px rgba(255, 107, 53, 0.3);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.35);
}

.btn--ghost {
  border-color: rgba(255, 107, 53, 0.55);
  color: var(--color-accent);
}

.btn--ghost:hover {
  background: rgba(255, 107, 53, 0.1);
  border-color: var(--color-accent);
}

.card {
  background: var(--color-card);
  border: 2px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-1);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 107, 53, 0.4);
  box-shadow: var(--shadow-2);
}

.card--accent {
  border-color: var(--color-accent);
}

.card--flat {
  background: transparent;
  border-color: var(--color-blue);
  box-shadow: none;
}

.section {
  padding: var(--space-7) 0;
}

.section__head {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.section__index {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  white-space: nowrap;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 40px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

[data-section] {
  border-radius: var(--radius-lg);
  transition: background 0.4s var(--ease);
}

[data-section][data-active] {
  background: rgba(14, 42, 70, 0.45);
}

[data-section] .section__head::after {
  content: "";
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border-radius: 50%;
  background: var(--color-lime);
  opacity: 0;
  transform: scale(0);
  transition: opacity 0.3s, transform 0.3s;
}

[data-section][data-active] .section__head::after {
  opacity: 1;
  transform: scale(1);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 8px;
  font-size: 13px;
  color: var(--color-text-weak);
}

.breadcrumb a {
  color: var(--color-text-weak);
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb__sep {
  color: var(--color-blue);
  font-family: var(--font-mono);
}

.breadcrumb__current {
  color: var(--color-text);
}

.page-hero {
  position: relative;
  padding: 48px 0 56px;
  border-bottom: 2px solid rgba(255, 107, 53, 0.18);
  margin-bottom: 48px;
}

.page-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -2px;
  width: 160px;
  height: 2px;
  background: var(--color-lime);
}

.page-hero__index {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-top: 10px;
}

.page-hero__lead {
  max-width: 58ch;
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text-weak);
}

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding: 56px 0 48px;
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 32px;
    min-height: calc(100vh - var(--header-h));
  }
}

.hero__content {
  max-width: 620px;
}

.hero__visual {
  position: relative;
  min-height: 260px;
  background:
    radial-gradient(circle at 75% 25%, rgba(255, 107, 53, 0.16), transparent 55%),
    linear-gradient(135deg, var(--color-card) 0%, var(--color-bg) 100%);
  border: 2px solid rgba(255, 107, 53, 0.2);
  border-radius: var(--radius-lg);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero__visual {
    min-height: 420px;
  }
}

.divider-slash {
  height: 4px;
  width: calc(100% + 16px);
  margin: 0;
  border: none;
  background: linear-gradient(100deg, var(--color-accent) 0%, var(--color-accent) 70%, var(--color-lime) 70%, var(--color-lime) 100%);
  transform: skewX(-24deg);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
}

@media (min-width: 768px) {
  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-grid__cell {
  background: var(--color-card);
  padding: 16px 18px;
  min-width: 0;
}

.stat-grid__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-accent);
  white-space: nowrap;
}

.stat-grid__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-weak);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.data-table th {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-weak);
  background: rgba(27, 76, 124, 0.15);
}

.data-table td {
  color: var(--color-text);
}

.data-table tbody tr:hover {
  background: rgba(255, 107, 53, 0.05);
}

.data-table td.is-accent {
  color: var(--color-accent);
  font-weight: 700;
}

.prose {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 247, 251, 0.88);
  max-width: 72ch;
}

.prose > p {
  margin-bottom: 1.15em;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  color: var(--color-text);
  margin-top: 2.2em;
  margin-bottom: 0.55em;
  padding-left: 14px;
  border-left: 4px solid var(--color-accent);
}

.prose h3 {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  color: var(--color-text);
  margin-top: 1.8em;
  margin-bottom: 0.5em;
}

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose a:hover {
  color: var(--color-lime);
}

.prose ul,
.prose ol {
  margin: 0 0 1.2em;
  padding-left: 1.4em;
}

.prose li {
  margin-bottom: 0.4em;
}

.prose blockquote {
  margin: 1.5em 0;
  padding: 16px 20px;
  background: var(--color-card);
  border-left: 4px solid var(--color-lime);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-text);
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--color-lime);
}

.img-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: linear-gradient(135deg, #0E2A46, #051321);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.img-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.12), transparent 55%);
  pointer-events: none;
}

.img-frame--hero {
  aspect-ratio: 4 / 3;
}

.img-frame--card {
  aspect-ratio: 16 / 10;
}

.img-frame--wide {
  aspect-ratio: 16 / 9;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 0 rgba(48, 209, 88, 0.5);
  animation: status-pulse 2s infinite;
}

@keyframes status-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(48, 209, 88, 0.5);
  }
  80% {
    box-shadow: 0 0 0 8px rgba(48, 209, 88, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(48, 209, 88, 0);
  }
}

.site-footer {
  position: relative;
  margin-top: var(--space-8);
  background: var(--color-bg-deep);
  border-top: 3px solid var(--color-accent);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -3px;
  right: 0;
  width: 140px;
  height: 3px;
  background: var(--color-lime);
}

.site-footer__inner {
  width: min(100% - 32px, var(--container-max));
  margin-inline: auto;
  padding: var(--space-8) 0 var(--space-6);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .footer-col--contact {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1280px) {
  .site-footer__grid {
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  }

  .footer-col--contact {
    grid-column: auto;
  }
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-brand {
  margin-bottom: 14px;
}

.footer-brand__mark {
  width: 30px;
  height: 30px;
}

.footer-brand__name {
  font-size: 17px;
}

.site-footer__statement {
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-weak);
}

.footer-col__title {
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(255, 107, 53, 0.3);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}

.footer-col__list li {
  margin-bottom: 8px;
}

.footer-col__list a {
  display: inline-block;
  font-size: 14px;
  color: var(--color-text-weak);
  transition: color 0.2s, transform 0.2s;
}

.footer-col__list a:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

.footer-col--contact {
  background: rgba(255, 107, 53, 0.04);
  border: 1px solid rgba(255, 107, 53, 0.14);
  border-radius: var(--radius-md);
  padding: 16px;
}

.footer-contact-item {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.07);
  font-size: 14px;
}

.footer-contact-item:last-child {
  border-bottom: none;
}

.footer-contact-item__label {
  flex: 0 0 auto;
  width: 36px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text-weak);
  padding-top: 2px;
}

.footer-contact-item__value {
  color: var(--color-text);
  word-break: break-word;
}

.site-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  color: var(--color-text-weak);
}

@media (min-width: 768px) {
  .site-footer__bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.site-footer__icp {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.back-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  border: 2px solid rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.4);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--color-lime);
  box-shadow: 0 4px 16px rgba(198, 255, 61, 0.4);
}

.back-top__icon {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-bg);
  line-height: 1;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .status-dot {
    animation: none;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .card:hover {
    transform: none;
    box-shadow: var(--shadow-1);
  }

  .btn--primary:hover {
    transform: none;
  }
}