:root {
  --c-primary: #1A2E45;
  --c-accent: #00FF88;
  --c-accent-2: #FF6A00;
  --c-dark: #0E1726;
  --c-card: #243B55;
  --c-light: #F2F5F0;
  --c-gray: #B8C0CC;
  --c-olive: #8A9A5B;
  --c-terracotta: #C97D5A;
  --font-display: "Bebas Neue", "DIN Alternate", "Arial Narrow", Impact, sans-serif;
  --font-body: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-data: "Roboto Mono", "SFMono-Regular", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  --container-w: 1240px;
  --container-pad: clamp(20px, 4vw, 48px);
  --header-h: 78px;
  --radius: 8px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-light);
  background-color: var(--c-dark);
  background-image:
    radial-gradient(circle at 15% 5%, rgba(0, 255, 136, 0.06), transparent 32%),
    radial-gradient(circle at 85% 95%, rgba(255, 106, 0, 0.06), transparent 30%),
    linear-gradient(rgba(0, 255, 136, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.025) 1px, transparent 1px);
  background-size: auto, auto, 32px 32px, 32px 32px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--c-light);
}

p {
  overflow-wrap: break-word;
}

a {
  color: var(--c-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--c-light);
}

ul, ol {
  list-style: none;
}

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

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

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

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

.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.container--narrow {
  max-width: 920px;
}

.page-title {
  font-size: clamp(36px, 6vw, 64px);
  letter-spacing: 0.02em;
  line-height: 1.05;
  margin-bottom: 16px;
}

.page-content {
  max-width: 780px;
  color: var(--c-gray);
  font-size: 16px;
  line-height: 1.8;
}

.section {
  padding-block: 64px;
}

.section--tight {
  padding-block: 40px;
}

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

.section-title {
  font-size: clamp(28px, 5vw, 48px);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.section-caption {
  color: var(--c-gray);
  max-width: 480px;
  font-size: 14px;
}

.skip-link {
  position: fixed;
  top: -60px;
  left: 16px;
  z-index: 9999;
  padding: 10px 16px;
  background: var(--c-accent);
  color: var(--c-dark);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 0 0 6px 6px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: top 0.2s ease;
}

.skip-link:focus-visible {
  top: 0;
  color: var(--c-dark);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(14, 23, 38, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 255, 136, 0.18);
}

.site-header::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--c-accent), transparent 60%);
  opacity: 0.35;
  pointer-events: none;
}

.site-header__bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent-2));
  transform: scaleX(0);
  transform-origin: left top;
  z-index: 3;
  pointer-events: none;
}

.site-header__inner {
  display: flex;
  align-items: center;
  min-height: var(--header-h);
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--c-light);
  text-decoration: none;
  flex-shrink: 0;
}

.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--c-accent);
  filter: drop-shadow(0 0 8px rgba(0, 255, 136, 0.35));
}

.brand__mark svg {
  width: 36px;
  height: 36px;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
  gap: 2px;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.06em;
  color: var(--c-light);
  font-weight: 700;
}

.brand__slogan {
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.42em;
  color: var(--c-accent);
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  display: inline-block;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--c-gray);
  text-decoration: none;
  letter-spacing: 0.04em;
  position: relative;
  transition: color var(--transition), background var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--c-accent);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
}

.nav-link[aria-current="page"] {
  color: var(--c-accent);
  font-weight: 700;
}

.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--c-accent-2);
}

.nav-lang {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border: 1px solid rgba(0, 255, 136, 0.35);
  font-size: 12px;
  color: var(--c-gray);
  font-family: var(--font-data);
  background: rgba(0, 255, 136, 0.05);
  white-space: nowrap;
}

.nav-lang__accent {
  color: var(--c-accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid rgba(0, 255, 136, 0.3);
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
  transition: border-color var(--transition), background var(--transition);
}

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

.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-accent);
  margin: 0 auto;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) 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(-7px) rotate(-45deg);
}

.site-footer {
  position: relative;
  background-color: var(--c-dark);
  background-image:
    linear-gradient(rgba(0, 255, 136, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  margin-top: 80px;
}

.site-footer__edge {
  height: 4px;
  background: linear-gradient(90deg, var(--c-accent-2) 0%, var(--c-accent) 70%, transparent 100%);
}

.site-footer__inner {
  padding-block: clamp(40px, 6vw, 72px) 24px;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(220px, 1.5fr) 0.9fr 0.9fr 0.9fr 1.3fr;
  gap: clamp(24px, 4vw, 48px);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--c-light);
  text-decoration: none;
  margin-bottom: 14px;
}

.footer-logo__mark {
  display: inline-flex;
  width: 34px;
  height: 34px;
  color: var(--c-accent);
  filter: drop-shadow(0 0 6px rgba(0, 255, 136, 0.35));
}

.footer-logo__mark svg {
  width: 100%;
  height: 100%;
}

.footer-logo__text {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.08em;
  color: var(--c-light);
}

.footer-trust {
  max-width: 280px;
  color: var(--c-gray);
  font-size: 13px;
  line-height: 1.7;
  margin-bottom: 14px;
}

.footer-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 11px;
  color: var(--c-accent);
  border: 1px solid rgba(0, 255, 136, 0.45);
  letter-spacing: 0.22em;
  background: rgba(0, 255, 136, 0.04);
}

.footer-col {
  display: flex;
  flex-direction: column;
}

.footer-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.1em;
  color: var(--c-light);
  margin-bottom: 18px;
}

.footer-heading__line {
  display: inline-block;
  width: 18px;
  height: 2px;
  background: var(--c-accent);
  flex-shrink: 0;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  display: inline-block;
  color: var(--c-gray);
  font-size: 14px;
  line-height: 1.6;
  transition: color var(--transition), transform var(--transition);
}

.footer-link:hover,
.footer-link:focus-visible {
  color: var(--c-accent);
  transform: translateX(3px);
}

.footer-contact {
  display: flex;
  flex-direction: column;
}

.footer-contact__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact__item {
  display: flex;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(184, 192, 204, 0.18);
}

.footer-contact__label {
  min-width: 44px;
  font-size: 12px;
  line-height: 1.9;
  color: var(--c-accent);
  font-family: var(--font-data);
  text-transform: uppercase;
  white-space: nowrap;
}

.footer-contact__value {
  color: var(--c-gray);
  font-size: 13px;
  line-height: 1.9;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-copy {
  color: var(--c-gray);
  font-size: 13px;
  font-family: var(--font-data);
}

.footer-icp {
  color: var(--c-gray);
  font-size: 13px;
  font-family: var(--font-data);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-left: auto;
}

.footer-legal__link {
  color: var(--c-gray);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-legal__link:hover,
.footer-legal__link:focus-visible {
  color: var(--c-accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  letter-spacing: 0.08em;
  cursor: pointer;
  border: none;
  transition: transform 0.2s ease, box-shadow 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.btn--primary {
  background: var(--c-accent);
  color: #0c2233;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  color: #0c2233;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 255, 136, 0.28);
}

.btn--secondary {
  background: var(--c-accent-2);
  color: #fff;
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 106, 0, 0.3);
}

.btn--outline {
  border: 1px solid var(--c-accent);
  background: transparent;
  color: var(--c-accent);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background: var(--c-accent);
  color: var(--c-dark);
}

.breadcrumb {
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(184, 192, 204, 0.15);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--c-gray);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--c-accent);
  font-family: var(--font-data);
}

.breadcrumb__link {
  color: var(--c-gray);
  text-decoration: none;
}

.breadcrumb__link:hover,
.breadcrumb__link:focus-visible {
  color: var(--c-accent);
}

.breadcrumb__current {
  color: var(--c-accent);
}

.img-container {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--c-primary);
}

.img-container::before {
  content: "";
  display: block;
  padding-top: 62.5%;
}

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

.img-container--portrait::before {
  padding-top: 125%;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--c-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
  border-color: rgba(0, 255, 136, 0.5);
}

.card__title {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
  color: var(--c-light);
}

.card__body {
  color: var(--c-gray);
  font-size: 14px;
  line-height: 1.6;
  flex: 1;
}

.card__meta {
  margin-top: auto;
  padding-top: 16px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--c-accent);
  letter-spacing: 0.06em;
}

@media (max-width: 1024px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

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

@media (max-width: 860px) {
  .site-header__inner {
    flex-wrap: nowrap;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    margin-left: 0;
    padding: 20px 24px 28px;
    background: rgba(14, 23, 38, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 2px solid var(--c-accent-2);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
    overflow-y: auto;
    max-height: calc(100vh - var(--header-h));
  }

  .main-nav[data-open] {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    font-size: 15px;
  }

  .nav-lang {
    align-self: flex-start;
    margin-top: 8px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-footer__grid {
    gap: 28px;
  }

  .footer-brand {
    grid-column: auto;
  }

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

  .footer-bottom {
    flex-direction: row;
    gap: 12px;
  }

  .footer-legal {
    margin-left: 0;
  }
}

@media (max-width: 640px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-contact__item {
    flex-direction: column;
    gap: 2px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-legal {
    flex-direction: column;
    gap: 8px;
  }
}