/* Base styling */
:root {
  --color-bg: #051229;
  --color-panel: #0d1f3c;
  --color-panel-alt: #0b1a33;
  --color-accent: #4fc2ff;
  --color-accent-strong: #48a8ff;
  --color-brand-primary: #1a7c96;
  --color-text: #f3f7ff;
  --color-muted: #93a4c2;
  --color-border: rgba(79, 194, 255, 0.2);
  --color-focus: rgba(72, 168, 255, 0.6);
  --font-sans: "Inter", "Segoe UI", Roboto, sans-serif;
}

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

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.6;
  scroll-behavior: smooth;
}

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

.skip-link {
  position: absolute;
  top: -40px;
  left: 16px;
  padding: 8px 16px;
  background: var(--color-accent);
  color: #020710;
  border-radius: 6px;
  transition: top 0.2s ease;
  z-index: 10;
}

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

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(5, 18, 41, 0.85);
  border-bottom: 1px solid var(--color-border);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.logo-icon {
  width: 44px;
  height: 44px;
  display: block;
}

.logo-label {
  font-size: 1.05rem;
}

.main-nav {
  display: flex;
  gap: 24px;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.main-nav a {
  position: relative;
  padding: 6px 0;
  color: var(--color-muted);
  transition: color 0.2s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus {
  color: var(--color-text);
}

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

.language-switcher {
  display: flex;
  gap: 8px;
}

.lang-btn {
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-muted);
  border-radius: 20px;
  padding: 6px 12px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-btn:hover,
.lang-btn:focus {
  color: var(--color-text);
  border-color: var(--color-accent);
}

.lang-btn.is-active {
  background: var(--color-accent);
  color: #051229;
  border-color: transparent;
  font-weight: 600;
}

.hero {
  padding: 120px 0 80px;
  background: radial-gradient(
      80% 100% at 100% 0%,
      rgba(79, 194, 255, 0.15),
      transparent
    ),
    var(--color-panel-alt);
}

.hero-content {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 40px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2.25rem, 4vw, 3.2rem);
  margin-bottom: 20px;
}

.tagline {
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
}

.hero-description {
  color: var(--color-muted);
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-note {
  color: var(--color-muted);
  margin-bottom: 32px;
  max-width: 520px;
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  background: var(--color-accent);
  color: #051229;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-btn:hover,
.primary-btn:focus {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(79, 194, 255, 0.25);
}

.hero-highlight {
  background: rgba(5, 18, 41, 0.6);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 32px;
  backdrop-filter: blur(20px);
}

.hero-stats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 24px;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
}

.stat-label {
  display: block;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.section {
  padding: 100px 0;
  background: var(--color-panel);
}

.section-alt {
  background: var(--color-panel-alt);
}

.section-header {
  text-align: left;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 16px;
}

.section-description {
  color: var(--color-muted);
  max-width: 640px;
}

.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.feature-card {
  padding: 28px;
  border-radius: 16px;
  background: rgba(5, 18, 41, 0.65);
  border: 1px solid var(--color-border);
  min-height: 220px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover,
.feature-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--color-accent);
}

.feature-card h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--color-muted);
  margin: 0;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.media-card {
  margin: 0;
  border-radius: 18px;
  background: rgba(5, 18, 41, 0.65);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(5, 18, 41, 0.3);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.media-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.media-card figcaption {
  padding: 20px 24px;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.product-footnote {
  margin-top: 40px;
  color: var(--color-muted);
  max-width: 680px;
}

.vision-content {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: start;
}

.vision-card {
  padding: 32px;
  border-radius: 20px;
  background: rgba(5, 18, 41, 0.65);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  box-shadow: 0 16px 40px rgba(5, 18, 41, 0.35);
}

.vision-card h3 {
  margin-top: 0;
  margin-bottom: 16px;
}

.network-wrap {
  display: grid;
  gap: 24px;
  justify-items: center;
  text-align: center;
}

.network-image {
  width: min(960px, 100%);
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: rgba(5, 18, 41, 0.6);
  padding: 16px;
  box-shadow: 0 20px 48px rgba(5, 18, 41, 0.35);
}

.network-footnote {
  max-width: 720px;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.team-card {
  padding: 28px;
  border-radius: 16px;
  background: rgba(5, 18, 41, 0.6);
  border: 1px solid transparent;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.team-card:hover,
.team-card:focus-within {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.team-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-strong));
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #051229;
  margin-bottom: 16px;
  font-size: 1rem;
}

.team-role {
  color: var(--color-accent);
  font-weight: 600;
  margin: 8px 0;
}

.team-bio {
  color: var(--color-muted);
  margin: 0;
}

.contact-card {
  padding: 32px;
  border-radius: 20px;
  background: rgba(5, 18, 41, 0.6);
  border: 1px solid var(--color-border);
  max-width: 520px;
  margin-top: 24px;
}

.contact-details {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 18px;
}

.contact-label {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--color-muted);
}

.contact-details a,
.contact-details span {
  font-size: 1.05rem;
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: rgba(5, 18, 41, 0.85);
  padding: 28px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: var(--color-muted);
  font-size: 0.9rem;
}

@media (max-width: 1024px) {
.feature-grid,
.team-grid,
.media-grid {
  grid-template-columns: 1fr;
}
  .vision-content {
    grid-template-columns: 1fr;
  }

  .main-nav {
    display: none;
  }

  .hero {
    padding-top: 100px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(620px, 90vw);
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .language-switcher {
    align-self: flex-end;
  }

  .hero {
    padding: 80px 0 60px;
  }

  .hero-highlight {
    padding: 24px;
  }

  .section {
    padding: 80px 0;
  }

  .media-card figcaption {
    padding: 18px 20px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}