:root {
  --bg: #0b1220;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-2: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.70);
  --muted-2: rgba(255, 255, 255, 0.56);
  --accent: #4da3ff;
  --accent-2: #7bd3ff;
  --shadow: rgba(0, 0, 0, 0.35);
  --max: 1120px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  background: radial-gradient(1000px 600px at 20% -10%, rgba(77, 163, 255, 0.18), transparent 60%),
              radial-gradient(900px 600px at 100% 20%, rgba(123, 211, 255, 0.12), transparent 50%),
              linear-gradient(180deg, #070b14, var(--bg));
  color: var(--text);
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent-2); }

.container {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(7, 11, 20, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: 0.2px;
}

.logo {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(77, 163, 255, 0.25));
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 10px 30px rgba(77, 163, 255, 0.22);
}

.navlinks {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.navlinks a {
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
}

.navlinks a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08) inset;
}

.hero {
  padding: 56px 0 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.h-title {
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.3px;
  margin: 0;
}

.h-sub {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--muted-2);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.k-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(77, 163, 255, 0.16);
}

.panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.panel-inner { padding: 18px; }

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

@media (max-width: 920px) {
  .cards { grid-template-columns: 1fr; }
}

.card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 14px;
  padding: 14px;
}

.card h3 { margin: 0 0 8px; font-size: 14px; letter-spacing: 0.2px; }
.card p { margin: 0; color: var(--muted); font-size: 13px; }

.section {
  padding: 26px 0;
}

.section h2 {
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: 0.2px;
}

.section p { margin: 0; color: var(--muted); }

.btnrow { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-weight: 600;
}

.btn.primary {
  background: linear-gradient(180deg, rgba(77, 163, 255, 0.22), rgba(77, 163, 255, 0.10));
  border-color: rgba(77, 163, 255, 0.32);
}

.btn:hover { filter: brightness(1.08); }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 920px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.list {
  display: grid;
  gap: 10px;
}

.item {
  padding: 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.item strong { display: block; font-size: 14px; margin-bottom: 6px; }
.item div { color: var(--muted); font-size: 13px; }

.footer {
  padding: 26px 0 40px;
  color: var(--muted-2);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 18px;
}

@media (max-width: 920px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.small { font-size: 12px; color: var(--muted-2); }

.fade {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.fade.in {
  opacity: 1;
  transform: translateY(0);
}

label {
  display: block;
  font-size: 12px;
  color: var(--muted-2);
  margin-bottom: 6px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

input, textarea, select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
  outline: none;
}

textarea { min-height: 140px; resize: vertical; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 920px) { .form-row { grid-template-columns: 1fr; } }

.help {
  color: var(--muted);
  font-size: 12px;
  margin-top: 10px;
}

.hidden-field { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }

.notice {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
}

.notice.ok { border-color: rgba(77, 163, 255, 0.35); color: rgba(255, 255, 255, 0.86); }
.notice.err { border-color: rgba(255, 77, 77, 0.35); color: rgba(255, 255, 255, 0.86); }