:root {
  --navy: #1b1735;
  --amber: #f59e4c;
  --rose: #e85d75;
  --cream: #fff3e0;
  --blue: #2563eb;
  --blue-light: #3b82f6;
  --text: #e8eaf0;
  --text-muted: #a8adc4;
  --surface: #12101f;
  --border: rgba(255, 243, 224, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial,
    sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--navy);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(37, 99, 235, 0.25), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(245, 158, 76, 0.08), transparent);
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--cream);
  font-weight: 600;
  text-decoration: none;
}

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

.brand img {
  width: 36px;
  height: 36px;
}

.lang-nav {
  display: flex;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.lang-nav a {
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  color: var(--text-muted);
}

.lang-nav a[aria-current="page"] {
  color: var(--cream);
  background: rgba(255, 255, 255, 0.08);
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--cream);
}

.hero .tagline {
  margin: 0 0 1.5rem;
  font-size: 1.125rem;
  color: var(--text-muted);
}

.bullets {
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
}

.bullets li {
  position: relative;
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
}

.bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
}

.btn-primary:hover {
  background: var(--blue-light);
  text-decoration: none;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--cream);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  text-decoration: none;
}

.pro-section {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
}

.pro-section.is-hidden {
  display: none;
}

.pro-section h2 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--text-muted);
}

.pro-section p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.site-footer {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.site-footer p {
  margin: 0 0 0.5rem;
}

.site-footer a {
  color: var(--text-muted);
}

.site-footer a:hover {
  color: var(--cream);
}