:root {
  --bg: #07110c;
  --panel: #0b1c14;
  --panel-soft: rgba(11, 28, 20, 0.65);
  --accent: #2dd4bf;
  --accent-soft: rgba(45, 212, 191, 0.25);
  --text: #e6f5ee;
  --muted: #9fbfb2;
  --border: rgba(230, 245, 238, 0.10);
  --shadow: 0 10px 30px rgba(0,0,0,0.45);
  --radius: 16px;
  --max: 980px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:
    radial-gradient(1200px 800px at 20% 0%, rgba(45, 212, 191, 0.18), transparent 60%),
    radial-gradient(1000px 700px at 80% 10%, rgba(34, 197, 94, 0.16), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
a:hover { opacity: 0.9; }

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(14px);
  background: rgba(11, 14, 20, 0.65);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.3px;
}

.nav {
  display: flex;
  gap: 16px;
  font-size: 14px;
  color: var(--muted);
}

.nav a { padding: 8px 10px; border-radius: 10px; }
.nav a:hover { background: rgba(230, 245, 238, 0.06); color: var(--text); }

.hero {
  padding: 64px 0 32px;
}

.hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  margin: 0 0 10px;
  letter-spacing: -0.5px;
}

.subtitle {
  margin: 0 0 22px;
  color: var(--muted);
  max-width: 60ch;
  font-size: 18px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(232, 238, 252, 0.06);
  box-shadow: var(--shadow);
  font-weight: 600;
}

.btn.primary {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text);
}

.grid {
  padding: 26px 0 70px;
}

.cards {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, 1fr);
}

.card {
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  box-shadow: var(--shadow);
  min-height: 140px;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

.card p {
  margin: 0 0 12px;
  color: var(--muted);
}

.link {
  color: var(--text);
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 860px) {
  .cards { grid-template-columns: 1fr; }
}

/* Contact form */
form#contactForm {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

form#contactForm input,
form#contactForm textarea {
  background: rgba(7, 17, 12, 0.85);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 14px;
}

form#contactForm input::placeholder,
form#contactForm textarea::placeholder {
  color: var(--muted);
}

form#contactForm input:focus,
form#contactForm textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(45, 212, 191, 0.25);
}

form#contactForm textarea {
  min-height: 120px;
  resize: vertical;
}

form#contactForm button {
  align-self: flex-start;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  color: var(--text);
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 12px;
  cursor: pointer;
}

form#contactForm button:hover {
  filter: brightness(1.05);
}

#contactStatus {
  font-size: 13px;
  color: var(--muted);
}