:root {
  color-scheme: light;
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #e0e7ff;
  --text: #0f172a;
  --muted: #475569;
  --bg: #ffffff;
  --bg-light: #f8fafc;
  --border: #e2e8f0;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}

.logo {
  font-weight: 700;
  font-size: 20px;
  color: var(--primary);
}

.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  font-size: 14px;
}

.nav a:hover {
  color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-light {
  background: #fff;
  color: var(--primary-dark);
  border-color: #fff;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-block {
  width: 100%;
}

.hero {
  background: linear-gradient(135deg, #1d4ed8, #1e3a8a);
  color: #fff;
  padding: 70px 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: 16px;
}

.hero-content p {
  font-size: 18px;
  color: #dbeafe;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.hero-card {
  background: #fff;
  color: var(--text);
  padding: 24px;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.features {
  background: var(--bg-light);
  padding: 40px 0;
}

.grid-3 {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.feature,
.card {
  background: #fff;
  padding: 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.section {
  padding: 60px 0;
}

.section h2 {
  margin-bottom: 22px;
  font-size: clamp(26px, 3vw, 34px);
}

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

.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card-link:hover {
  border-color: var(--primary-light);
  box-shadow: 0 14px 34px rgba(37, 99, 235, 0.12);
}

.link-row {
  display: flex;
  gap: 18px;
  margin-top: 20px;
  flex-wrap: wrap;
}

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

.light {
  background: var(--bg-light);
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  align-items: start;
}

.list {
  padding-left: 18px;
  color: var(--muted);
}

.callout {
  background: #fff;
  border-radius: 16px;
  padding: 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  align-items: start;
}

.form {
  background: #fff;
  border: 1px solid var(--border);
  padding: 24px;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-weight: 600;
  color: var(--muted);
  font-size: 14px;
}

input,
select,
textarea {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 14px;
  font-family: inherit;
}

textarea {
  resize: vertical;
}

.form-status {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  padding: 20px 0;
  border-top: 1px solid var(--border);
  background: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 16px;
}

.footer-grid h3 {
  margin-top: 0;
}

.footer-copy {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}

.footer-inner {
  text-align: left;
  color: var(--muted);
  font-size: 14px;
}

.footer-inner p {
  margin: 8px 0;
}

@media (max-width: 720px) {
  .nav {
    display: none;
  }
}