:root {
  --bg: #0b1217;
  --bg-soft: #101b22;
  --card: rgba(255, 255, 255, 0.06);
  --text: #e9f2f7;
  --muted: #a8bcc8;
  --line: rgba(255, 255, 255, 0.16);
  --accent: #3dd6c6;
  --accent-2: #6de08b;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at 20% 20%, #12232d 0%, var(--bg) 45%, #06090c 100%);
  color: var(--text);
  font-family: "SF Pro Text", "Avenir Next", "Segoe UI", sans-serif;
}

a { color: inherit; }

.bg-glow {
  position: fixed;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.25;
  z-index: 0;
  pointer-events: none;
}

.bg-glow-a {
  top: -10rem;
  left: -8rem;
  background: var(--accent);
}

.bg-glow-b {
  right: -10rem;
  bottom: -12rem;
  background: var(--accent-2);
}

.site-header,
main,
.site-footer {
  width: min(1040px, calc(100% - 2rem));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.brand {
  text-decoration: none;
  font-weight: 650;
  letter-spacing: 0.01em;
}

nav {
  display: flex;
  gap: 0.8rem;
  align-items: center;
}

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

nav a:hover { color: var(--text); }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem;
}

.lang-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
}

.lang-link.is-active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
}

.nav-link {
  text-decoration: none;
  color: var(--muted);
}

.cta {
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
}

.hero {
  padding: 4.5rem 0 2.4rem;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  margin: 0 0 0.8rem;
}

h1 {
  margin: 0;
  max-width: 18ch;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.05;
}

.lead {
  margin-top: 1.2rem;
  max-width: 62ch;
  color: var(--muted);
  line-height: 1.6;
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.button {
  text-decoration: none;
  border-radius: 999px;
  padding: 0.68rem 1.05rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.button-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #04231f;
}

.button-ghost {
  border-color: var(--line);
  color: var(--text);
}

.grid {
  padding: 0.4rem 0 3.5rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
  backdrop-filter: blur(8px);
}

.card h2 {
  margin: 0 0 0.55rem;
  font-size: 1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1rem 0 1.8rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0.4rem 0;
}

.details {
  padding: 0 0 3.5rem;
}

.detail-block {
  max-width: 720px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.2rem 1.25rem;
}

.detail-block h2 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.detail-block p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .hero { padding-top: 2.5rem; }
  .site-header {
    flex-direction: column;
    gap: 0.8rem;
    align-items: flex-start;
  }
  nav {
    flex-wrap: wrap;
  }
}