:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --panel: rgba(255, 255, 255, 0.75);
  --panel-solid: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --border: rgba(17, 24, 39, 0.10);
  --shadow: 0 8px 30px rgba(17, 24, 39, 0.08);
  --brand: #2563eb; /* blue-600 */
  --brand-2: #4f46e5; /* indigo-600 */
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 30% -10%, rgba(79, 70, 229, 0.12), transparent 70%),
    radial-gradient(900px 500px at 90% 0%, rgba(37, 99, 235, 0.10), transparent 65%),
    var(--bg);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

a { color: var(--text); text-decoration-color: rgba(37, 99, 235, 0.35); }
a:hover { text-decoration-color: rgba(37, 99, 235, 0.75); }

header {
  max-width: min(1200px, 90vw);
  margin: 0 auto;
  padding: clamp(16px, 4vw, 20px) clamp(16px, 4vw, 20px) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.12);
}

nav a {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--text);
  text-decoration: none;
  border: 1px solid transparent;
  font-weight: 500;
  transition: all 0.15s ease;
}
nav a:hover {
  color: var(--brand);
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(37, 99, 235, 0.2);
  transform: translateY(-1px);
}

main {
  max-width: min(1200px, 90vw);
  margin: 0 auto;
  padding: clamp(24px, 6vw, 30px) clamp(16px, 4vw, 20px) clamp(48px, 12vw, 64px);
}

h1 {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.05;
  margin: 0 0 10px;
  letter-spacing: -0.03em;
}

h2 {
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: -0.01em;
}

p { font-size: 18px; line-height: 1.55; color: var(--muted); margin: 0 0 14px; }

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(16px, 4vw, 18px);
  align-items: start;
  margin-top: clamp(16px, 4vw, 18px);
}

.card {
  background: var(--panel);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(16px, 4vw, 18px);
  box-shadow: var(--shadow);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(16px, 4vw, 18px);
  margin: clamp(16px, 4vw, 18px) 0;
}

.fineprint { font-size: 14px; color: var(--muted); margin: 10px 0 0; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.65);
}

.list { margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
.list li { margin: 6px 0; }

label { display: block; font-weight: 650; margin: 0 0 8px; color: var(--text); }
input[type="email"], input, textarea, select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(17, 24, 39, 0.20);
  border-radius: 12px;
  font-size: 16px;
  background: rgba(255, 255, 255, 0.95);
  margin-bottom: 12px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
textarea { min-height: 100px; margin-bottom: 16px; }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: rgba(37, 99, 235, 0.55);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
  background: #ffffff;
}

button {
  margin-top: 10px;
  width: 100%;
  padding: 12px 14px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  font-weight: 750;
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(37, 99, 235, 0.22);
}
button:disabled { opacity: 0.7; cursor: not-allowed; box-shadow: none; }

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 14px; white-space: pre-wrap; word-wrap: break-word; overflow-wrap: break-word; max-width: 100%; overflow: hidden; text-overflow: ellipsis; }

.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > * { flex: 1 1 220px; }

footer {
  margin-top: 28px;
  color: var(--muted);
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr 0.8fr; }
}

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  header { flex-direction: column; align-items: flex-start; }
  nav a { padding-left: 0; }
}

@media (max-width: 640px) {
  nav { display: flex; flex-wrap: wrap; gap: 10px; }
  nav a { padding: 10px 12px; font-size: 15px; }
  main { padding: 20px 16px 40px; }
  .card-grid { gap: 12px; margin: 20px 0; }
  .card { padding: 16px; }
  footer { flex-direction: column; align-items: flex-start; gap: 8px; }
}