:root {
  --color-bg: #ffffff;
  --color-text-main: #111827;
  --color-text-muted: #6b7280;
  --color-accent: #111827;
  --color-surface: #f3f4f6;
  --color-border: #e5e7eb;
  --shadow-sm: 0 6px 18px rgba(17, 24, 39, 0.06);
  --shadow-hover: 0 10px 28px rgba(17, 24, 39, 0.08);
  --radius-md: 10px;
  --max-width: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-text-main);
  background: var(--color-bg);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: min(92vw, var(--max-width));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--color-border);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text-main);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links a {
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 8px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: var(--color-surface);
}

.burger {
  display: none;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 10px;
  background: #fff;
  cursor: pointer;
}

.burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text-main);
  margin: 4px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 10px;
  padding: 12px 0 20px;
}

.mobile-nav a {
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--color-surface);
}

.hero {
  padding: 64px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
}

.eyebrow {
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 14px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 14px;
  color: var(--color-text-muted);
}

.lead {
  font-size: 18px;
  color: var(--color-text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 10px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  border: 1px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  background: #1f2937;
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-main);
  border-color: var(--color-border);
  box-shadow: none;
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: var(--color-surface);
  transform: none;
}

.stack-sm {
  display: grid;
  gap: 10px;
}

.stack-md {
  display: grid;
  gap: 16px;
}

.stack-lg {
  display: grid;
  gap: 28px;
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.surface {
  background: var(--color-surface);
}

.section {
  padding: 64px 0;
}

.section-heading {
  margin-bottom: 28px;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

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

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-text-main);
  font-weight: 600;
  font-size: 13px;
  border: 1px solid var(--color-border);
}

.list {
  padding: 0;
  margin: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--color-text-muted);
}

.list li::before {
  content: "•";
  color: var(--color-text-main);
  font-weight: 700;
  margin-top: 2px;
}

.footer {
  background: #111827;
  color: #e5e7eb;
  padding: 32px 0;
  margin-top: 40px;
}

.footer a {
  color: #e5e7eb;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.stat {
  display: grid;
  gap: 6px;
}

.stat-label {
  color: var(--color-text-muted);
  font-size: 14px;
}

.stat-value {
  font-weight: 700;
  font-size: 18px;
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: start;
}

.form {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 6px;
}

label {
  font-weight: 600;
  color: var(--color-text-main);
}

input,
textarea {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: #fff;
  font-family: inherit;
  font-size: 15px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-text-main);
  box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.1);
}

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

.legal {
  max-width: 760px;
  margin: 0 auto;
  text-align: left;
}

.muted {
  color: var(--color-text-muted);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--color-border);
  font-weight: 600;
}

.accent-border {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.shadow-none {
  box-shadow: none;
}

.small {
  font-size: 14px;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .burger {
    display: inline-flex;
    flex-direction: column;
  }

  .mobile-nav[data-open="true"] {
    display: flex;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 42px 0 36px;
  }

  .section {
    padding: 48px 0;
  }
}