:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --ink: #1d2433;
  --muted: #5f6b84;
  --brand: #2d6df6;
  --brand-dark: #1949b8;
  --border: #e2e8f5;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

header {
  background: linear-gradient(160deg, #1b3e95, #2d6df6);
  color: #fff;
  padding: 1rem 0 4rem;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.brand {
  font-size: 1.1rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 1rem;
}

.nav-links a {
  color: #e7edff;
  text-decoration: none;
  font-weight: 500;
}

.hero {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
}

.hero h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  margin: 0;
}

.hero p {
  max-width: 700px;
  margin: 0;
  color: #dbe6ff;
}

.button-row {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-block;
  text-decoration: none;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
}

.btn-primary {
  background: #fff;
  color: #1b3e95;
}

.btn-secondary {
  border-color: #9fbbff;
  color: #f5f8ff;
}

main { padding: 2.25rem 0 3rem; }

.section {
  margin-bottom: 2.25rem;
}

.section h2 {
  margin-top: 0;
  font-size: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
}

.feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.screenshot-card img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.screenshot-card p {
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.faq-item + .faq-item {
  margin-top: 0.8rem;
}

.faq-item h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
}

input, textarea {
  width: 100%;
  border: 1px solid #c9d6ef;
  border-radius: 8px;
  padding: 0.65rem;
  font: inherit;
  margin-bottom: 0.8rem;
}

textarea { min-height: 130px; }

footer {
  border-top: 1px solid var(--border);
  padding: 1rem 0 2rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.small-note {
  color: var(--muted);
  font-size: 0.92rem;
}