:root {
  --bg: #0b1b2b;
  --bg-alt: #101f33;
  --accent: #1ea7ff;
  --text: #f5f7fa;
  --muted: #c3c8d4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  background: rgba(11, 27, 43, 0.95);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.logo img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  gap: 1.5rem;
}

.main-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.lang-switch button {
  margin-left: 0.5rem;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  border: 1px solid var(--muted);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.8rem;
}

.lang-switch button.active {
  border-color: var(--accent);
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2rem;
  padding: 3rem 2rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 2.4rem;
  margin-bottom: 1rem;
}

.hero-text p {
  color: var(--muted);
  max-width: 32rem;
}

.hero-image img {
  width: 100%;
  border-radius: 12px;
  object-fit: cover;
}

.btn-primary {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  background: var(--accent);
  color: #04101f;
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
}

.section {
  padding: 3rem 2rem;
}

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

.section h2 {
  margin-bottom: 1rem;
}

.section p {
  max-width: 40rem;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  padding: 1.5rem;
  border-radius: 10px;
  background: #0c2238;
  border: 1px solid #152a40;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

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

.contact-form {
  max-width: 32rem;
  margin-top: 1.5rem;
}

.form-row {
  margin-bottom: 1rem;
}

.form-row label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.9rem;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border-radius: 6px;
  border: 1px solid #24364a;
  background: #071321;
  color: var(--text);
}

.form-row input:focus,
.form-row textarea:focus {
  outline: 1px solid var(--accent);
}

.site-footer {
  padding: 1.5rem 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid #152a40;
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
  }
}