:root {
  --bg: #0b1120;
  --surface: #111827;
  --card: #182235;
  --border: #283548;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --primary: #38bdf8;
  --primary-hover: #7dd3fc;
  --accent: #f59e0b;
  --success: #22c55e;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 15% 0%, rgba(56, 189, 248, 0.08), transparent 38%),
    radial-gradient(circle at 85% 15%, rgba(245, 158, 11, 0.06), transparent 34%);
  color: var(--text);
  line-height: 1.65;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 17, 32, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: #ffffff;
}

.brand-studio {
  font-size: 0.78rem;
  color: var(--muted);
}

.nav-right {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.94rem;
}

.nav-links a {
  color: var(--muted);
  font-weight: 500;
}

.nav-links a[aria-current="page"],
.nav-links a:hover {
  color: #ffffff;
  text-decoration: none;
}

.lang-switch {
  display: inline-flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px;
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
}

.lang-btn.active {
  background: var(--primary);
  color: #0b1120;
}

/* Main Content */
main {
  padding: 40px 0 56px;
}

.hero {
  background: linear-gradient(145deg, rgba(24, 34, 53, 0.95), rgba(17, 24, 39, 0.95));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 36px 32px;
  margin-bottom: 32px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(56, 189, 248, 0.14);
  border: 1px solid rgba(56, 189, 248, 0.28);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.badge-amber {
  background: rgba(245, 158, 11, 0.14);
  border-color: rgba(245, 158, 11, 0.28);
  color: #fbbf24;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(1.9rem, 3.6vw, 2.65rem);
  line-height: 1.18;
  color: #ffffff;
}

.lead {
  font-size: 1.08rem;
  color: #cbd5e1;
  max-width: 740px;
  margin: 0 0 24px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #0b1120;
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #0b1120;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: #ffffff;
}

.section-title {
  font-size: 1.45rem;
  margin: 34px 0 16px;
  color: #ffffff;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 18px;
}

.grid .card {
  margin-bottom: 0;
}

.card h2,
.card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  color: #ffffff;
}

.card h2 {
  font-size: 1.25rem;
  color: var(--primary);
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.card h3 {
  font-size: 1.08rem;
}

p,
li {
  color: var(--muted);
}

strong {
  color: #ffffff;
}

ul {
  padding-left: 20px;
  margin: 10px 0 0;
}

li {
  margin-bottom: 8px;
}

code {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 6px;
  color: #7dd3fc;
  font-size: 0.9em;
}

.highlight-box {
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: 12px;
  padding: 16px 18px;
  margin-top: 14px;
}

.highlight-box p {
  margin: 0;
  color: #cbd5e1;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

@media (max-width: 640px) {
  .hero {
    padding: 24px 20px;
  }

  .card {
    padding: 18px;
  }
}