:root {
  --bg: #0a0a0f;
  --bg-card: #14141c;
  --text: #f5f5f7;
  --text-dim: #9b9ba6;
  --accent: #8b5cf6;
  --accent-2: #d946ef;
  --border: rgba(255, 255, 255, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 760px; margin: 0 auto; padding: 0 24px; }

header.site {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
header.site .container { display: flex; align-items: center; justify-content: space-between; }
.logo {
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.01em;
}
.logo span {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.92rem;
  margin-left: 22px;
}
nav a:hover { color: var(--text); }

.hero { text-align: center; padding: 88px 0 56px; }
.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 18px;
}
.hero h1 .grad {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.lede {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 32px;
}
.badges { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.badge-btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.97rem;
}
.badge-btn.primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #fff;
}
.badge-btn.secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
}

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; padding: 24px 0 72px; }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px 22px;
}
.card h3 { font-size: 1.02rem; margin-bottom: 8px; letter-spacing: -0.01em; }
.card p { color: var(--text-dim); font-size: 0.92rem; }

main.doc { padding: 56px 0 80px; }
main.doc h1 { font-size: 2rem; letter-spacing: -0.02em; margin-bottom: 6px; }
main.doc p.updated { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 36px; }
main.doc h2 { font-size: 1.25rem; letter-spacing: -0.01em; margin: 36px 0 12px; }
main.doc p, main.doc li { color: #c9c9d3; font-size: 0.98rem; margin-bottom: 12px; }
main.doc ul { padding-left: 22px; margin-bottom: 16px; }
main.doc strong { color: var(--text); }
main.doc a { color: var(--accent); text-decoration: none; }
main.doc a:hover { text-decoration: underline; }
.callout {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 18px 20px;
  margin: 20px 0;
}

.contact-card {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(217, 70, 239, 0.12));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px 24px;
  margin: 24px 0 8px;
}
.contact-card h2 { margin-top: 0; }
.email-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 14px 0 4px; }
.email-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  padding: 13px 24px;
  border-radius: 12px;
}
.email-btn:hover { opacity: 0.92; }
.email-plain { color: var(--text-dim); font-size: 0.95rem; }
.email-plain a { color: var(--accent); text-decoration: none; }

.contact-form { margin-top: 18px; display: grid; gap: 12px; }
.contact-form label { font-size: 0.85rem; color: var(--text-dim); display: block; margin-bottom: 5px; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.97rem;
}
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: var(--accent); }
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 520px) { .contact-form .row2 { grid-template-columns: 1fr; } }
.contact-form button {
  justify-self: start;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
  font-weight: 600;
  font-size: 1rem;
  padding: 13px 26px;
  border-radius: 12px;
  cursor: pointer;
}
.contact-form button:hover { opacity: 0.92; }
.form-hint { font-size: 0.82rem; color: var(--text-dim); margin-top: 2px; }

footer.site {
  border-top: 1px solid var(--border);
  padding: 28px 0 40px;
  color: var(--text-dim);
  font-size: 0.85rem;
}
footer.site .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer.site a { color: var(--text-dim); text-decoration: none; margin-right: 18px; }
footer.site a:hover { color: var(--text); }