:root {
  --bg: #0b0f14;
  --bg2: #121a24;
  --text: #e8eef5;
  --muted: #8b9bb0;
  --accent: #00c4a0;
  --accent2: #6b8cff;
  --radius: 14px;
  --max: 960px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: "Source Sans 3", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(900px 480px at 20% -10%, rgba(0,196,160,.14), transparent 55%),
    radial-gradient(700px 400px at 90% 0%, rgba(107,140,255,.12), transparent 50%),
    var(--bg);
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: #5eebd4; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,15,20,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.site-header .wrap {
  min-height: 64px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.logo {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.4rem; font-weight: 600; color: var(--text);
}
.logo span { color: var(--accent); }

.header-right { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.lang { display: flex; gap: 4px; }
.lang button {
  border: 1px solid rgba(255,255,255,.12);
  background: transparent; color: var(--muted);
  border-radius: 8px; padding: 6px 10px;
  font: 600 0.8rem inherit; cursor: pointer;
}
.lang button.on { background: var(--accent); color: #042218; border-color: var(--accent); }

.nav { display: flex; gap: 16px; list-style: none; font-size: 0.92rem; font-weight: 500; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--text); }
.menu-btn {
  display: none; border: 0; background: var(--accent); color: #042218;
  padding: 8px 12px; border-radius: 8px; cursor: pointer; font: inherit;
}

.hero { padding: 72px 0 48px; }
.hero h1 {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.12; margin-bottom: 14px; max-width: 16ch;
}
.hero p { color: var(--muted); font-size: 1.1rem; max-width: 40ch; margin-bottom: 24px; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px;
  background: var(--accent); color: #042218; font-weight: 600;
}
.btn:hover { background: #5eebd4; color: #042218; }
.btn-ghost {
  margin-left: 10px; background: transparent; color: var(--text);
  border: 1px solid rgba(255,255,255,.18);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

section { padding: 56px 0; }
.section-title {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  color: var(--accent); margin-bottom: 16px;
}
.lead { color: var(--muted); margin-bottom: 24px; max-width: 58ch; }

.cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px;
}
.card {
  background: var(--bg2); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius); padding: 22px;
}
.card h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--text); }
.card p { font-size: 0.92rem; color: var(--muted); }

.alt { background: rgba(255,255,255,.03); border-block: 1px solid rgba(255,255,255,.06); }

.contact-box {
  background: var(--bg2); border-radius: var(--radius);
  padding: 28px; border: 1px solid rgba(255,255,255,.08); max-width: 480px;
}

.site-footer {
  padding: 36px 0; color: var(--muted); font-size: 0.88rem;
  border-top: 1px solid rgba(255,255,255,.06);
}
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

@media (max-width: 768px) {
  .menu-btn { display: block; }
  .nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; background: var(--bg2);
    padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .nav.open { display: flex; }
  .site-header nav { width: 100%; order: 3; }
  .btn-ghost { margin-left: 0; margin-top: 10px; }
}