:root {
  --bg: #0b0f14;
  --panel: #111823;
  --card: #131c28;
  --text: #e6eef8;
  --muted: #a6b3c2;
  --brand: #37b6ff;
  --brand-2: #6cffc6;
  --danger: #ff5d5d;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35), 0 2px 10px rgba(0, 0, 0, 0.2);
}
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica,
    Arial, 'Apple Color Emoji', 'Noto Color Emoji', 'Segoe UI Emoji', sans-serif;
  color: var(--text);
  background: radial-gradient(
      1200px 800px at 80% -10%,
      rgba(55, 182, 255, 0.15),
      transparent 60%
    ),
    radial-gradient(
      900px 600px at -10% 10%,
      rgba(108, 255, 198, 0.12),
      transparent 60%
    ),
    var(--bg);
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}
main {
  flex: 1;
}
img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-sm);
}
iframe {
  border: 0;
  width: 100%;
  height: 100%;
}
a {
  color: var(--text);
  text-decoration: none;
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 20, 0.6);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.brand {
  font-weight: 800;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nav {
  display: flex;
  gap: 20px;
}
.nav a {
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--muted);
}
.nav a:hover,
.nav a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.lang-switcher {
  display: flex;
  gap: 8px;
  margin-right: 16px;
}

.lang-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 18px;
  line-height: 1;
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
}

.lang-btn.active {
  background: rgba(55, 182, 255, 0.15);
  border-color: var(--brand);
}

/* Dropdown */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  font-size: inherit;
}

.dropdown-toggle:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.dropdown-toggle svg {
  transition: transform 0.2s ease;
}

.dropdown.open .dropdown-toggle svg {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  z-index: 100;
  margin-top: 4px;
}

.dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 10px 12px;
  color: var(--muted);
  border-radius: 6px;
  margin: 2px;
  transition: all 0.15s ease;
}

.dropdown-menu a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 36px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
}

/* Hero */
.hero {
  padding: 64px 0 24px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
}
.hero h1 {
  font-size: 40px;
  margin: 0 0 12px;
}
.hero p {
  color: var(--muted);
  margin: 0 0 20px;
  line-height: 1.6;
}
.hero-actions {
  display: flex;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 0.15s ease, background 0.2s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-primary {
  background: linear-gradient(
    180deg,
    rgba(55, 182, 255, 0.15),
    rgba(55, 182, 255, 0.05)
  );
  border-color: rgba(55, 182, 255, 0.35);
  color: #dff4ff;
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
}

.video-card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.video-frame {
  aspect-ratio: 16/9;
  background: #000;
}
.caption {
  display: block;
  color: var(--muted);
  padding: 10px 12px;
}

/* Sections */
.features {
  padding: 32px 0;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 16px;
}
.card h3 {
  margin: 0 0 8px;
}
.card p {
  margin: 0;
  color: var(--muted);
}

.gallery {
  padding: 28px 0;
}
.gallery h2 {
  margin: 0 0 12px;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.cta {
  padding: 36px 0 64px;
}
.cta-inner {
  background: linear-gradient(
    90deg,
    rgba(55, 182, 255, 0.14),
    rgba(108, 255, 198, 0.14)
  );
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}
.cta-inner p {
  color: var(--muted);
}

/* Page hero */
.page-hero {
  padding: 36px 0;
}
.page-hero h1 {
  margin: 0 0 8px;
}
.content {
  padding: 8px 0 48px;
}

/* Vision-Mission */
.vm-hero {
  padding: 40px 0 8px;
}
.vm-hero .eyebrow {
  display: inline-block;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  margin-bottom: 12px;
}
.vm-wrap {
  padding: 16px 0 56px;
}
.vm-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
}
.vm-card {
  background: linear-gradient(
    180deg,
    rgba(55, 182, 255, 0.08),
    rgba(255, 255, 255, 0.02)
  );
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.vm-card h2 {
  margin: 0 0 10px;
}
.vm-card p {
  color: var(--muted);
  line-height: 1.8;
}
.vm-accent {
  background: linear-gradient(
    180deg,
    rgba(108, 255, 198, 0.1),
    rgba(255, 255, 255, 0.02)
  );
  border-color: rgba(108, 255, 198, 0.25);
}
.vm-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.vm-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-weight: 500;
}
.vm-note {
  color: var(--muted);
  text-align: center;
  margin-top: 16px;
}
.info-security-visual {
  margin-top: 32px;
  text-align: center;
}
.info-security-visual img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.policy-list {
  counter-reset: pol;
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}
.policy-list li {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 14px 16px 14px 52px;
  position: relative;
  line-height: 1.7;
  color: var(--muted);
}
.policy-list li::before {
  counter-increment: pol;
  content: counter(pol) '.';
  position: absolute;
  left: 16px;
  top: 16px;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: linear-gradient(
    180deg,
    rgba(55, 182, 255, 0.2),
    rgba(55, 182, 255, 0.05)
  );
  border: 1px solid rgba(55, 182, 255, 0.35);
  color: #dff4ff;
  font-weight: 700;
}
.policy-list strong {
  color: var(--text);
}

/* About */
.checklist {
  padding-left: 16px;
  margin: 12px 0;
  color: var(--muted);
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.stat {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.stat .num {
  font-size: 28px;
  font-weight: 800;
  display: block;
}
.stat .label {
  color: var(--muted);
}

/* Advantages */
.advantages {
  padding: 48px 0;
  background: linear-gradient(
    180deg,
    rgba(55, 182, 255, 0.03),
    rgba(108, 255, 198, 0.03)
  );
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.advantages h2 {
  text-align: center;
  margin: 0 0 32px;
  font-size: 32px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.advantage-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.advantage-card:hover {
  transform: translateY(-4px);
  border-color: rgba(55, 182, 255, 0.2);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 4px 20px rgba(55, 182, 255, 0.1);
}
.advantage-card:hover::before {
  opacity: 1;
}
.advantage-icon {
  font-size: 32px;
  margin-bottom: 16px;
  display: block;
}
.advantage-card h3 {
  margin: 0 0 12px;
  font-size: 20px;
  color: var(--text);
}
.advantage-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

/* Contact */
.form {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 16px;
}
.form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}
.form input,
.form textarea {
  background: #0c121b;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  color: var(--text);
  padding: 10px 12px;
}
.form input:focus,
.form textarea:focus {
  outline: 2px solid rgba(55, 182, 255, 0.4);
}
.form-note {
  color: var(--muted);
}
.map {
  margin-top: 16px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.faq {
  margin-top: 16px;
}
.accordion details {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 10px 12px;
  margin-bottom: 8px;
}
.accordion summary {
  cursor: pointer;
  list-style: none;
}
.accordion summary::-webkit-details-marker {
  display: none;
}
.accordion div {
  color: var(--muted);
  padding-top: 8px;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(11, 15, 20, 0.6);
  backdrop-filter: blur(8px);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.footer-nav {
  display: flex;
  gap: 16px;
}
.footer-nav a {
  color: var(--muted);
}
.footer-nav a.active,
.footer-nav a:hover {
  color: var(--text);
}
.footer-copy {
  color: var(--muted);
  padding: 10px 0 20px;
  text-align: center;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .advantages-grid {
    grid-template-columns: 1fr;
  }
  .nav {
    position: fixed;
    inset: 64px 16px auto 16px;
    flex-direction: column;
    background: var(--panel);
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: 0.2s ease;
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: transparent;
    margin-top: 8px;
    padding-left: 12px;
  }
  .dropdown-menu a {
    padding: 8px 0;
    margin: 0;
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .dropdown-menu a:last-child {
    border-bottom: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .lang-switcher {
    margin-right: 8px;
  }
  .lang-btn {
    padding: 5px 8px;
    font-size: 16px;
  }
}

/* Utilities */
.hidden {
  display: none !important;
}