:root {
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-50: #eff6ff;
  --emerald-600: #059669;
  --emerald-50: #ecfdf5;
  --gray-25: #fcfcfd;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
    sans-serif;
  color: var(--gray-800);
  background: radial-gradient(circle at top right, #e8f1ff 0%, var(--gray-25) 44%, var(--gray-50) 100%);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

a {
  color: inherit;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}

.brand {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.01em;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue-600), var(--emerald-600));
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.1);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-600);
}

.site-nav a:hover {
  color: var(--gray-900);
}

.mobile-nav-btn {
  display: none;
  border: 1px solid var(--gray-200);
  background: #fff;
  border-radius: 10px;
  width: 40px;
  height: 40px;
  padding: 9px 8px;
  cursor: pointer;
}

.mobile-nav-btn span {
  display: block;
  height: 2px;
  background: var(--gray-700);
  border-radius: 99px;
}

.mobile-nav-btn span + span {
  margin-top: 5px;
}

.hero {
  padding: 96px 0 62px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  margin: 0 0 18px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid #bfdbfe;
  background: var(--blue-50);
  color: var(--blue-700);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
  color: var(--gray-900);
}

h1 {
  max-width: 17ch;
  font-size: clamp(2.3rem, 5vw, 3.6rem);
  letter-spacing: -0.03em;
}

.hero-subtitle {
  margin: 18px 0 28px;
  max-width: 62ch;
  font-size: 1.05rem;
  color: var(--gray-600);
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  padding: 11px 18px;
  text-decoration: none;
  font-size: 0.93rem;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 140ms ease, box-shadow 140ms ease, background-color 140ms ease,
    border-color 140ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--blue-600);
  color: #fff;
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.24);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--blue-700);
}

.btn-secondary {
  border-color: var(--gray-300);
  background: #fff;
  color: var(--gray-700);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: #93c5fd;
  background: var(--blue-50);
}

.btn-sm {
  padding: 9px 14px;
  font-size: 0.84rem;
}

.proof-row {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.proof-card {
  border: 1px solid var(--gray-200);
  border-radius: 14px;
  background: #fff;
  padding: 16px 18px;
  box-shadow: var(--shadow);
}

.proof-value {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--gray-900);
}

.proof-label {
  margin: 2px 0 0;
  font-size: 0.82rem;
  color: var(--gray-500);
}

.section {
  padding: 62px 0;
}

.section-muted {
  background: #f4f8ff;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.section-heading {
  max-width: 72ch;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--blue-600);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  font-weight: 800;
}

.section-heading h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  letter-spacing: -0.02em;
}

.section-heading p {
  margin: 12px 0 0;
  color: var(--gray-600);
}

.product-grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.product-card,
.principle-card,
.roadmap-card {
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow);
}

.product-card {
  padding: 22px;
}

.status {
  margin: 0 0 10px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--gray-300);
  background: #fff;
  color: var(--gray-600);
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status.is-live {
  border-color: #a7f3d0;
  background: var(--emerald-50);
  color: #047857;
}

.product-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.product-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid var(--gray-200);
  background: #fff;
  object-fit: cover;
  flex-shrink: 0;
}

.product-emoji-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid var(--gray-200);
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
  flex-shrink: 0;
}

.product-card h3 {
  font-size: 1.28rem;
}

.product-copy {
  margin: 8px 0 12px;
  color: var(--gray-600);
  font-size: 0.94rem;
}

.product-card ul {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.product-card ul li {
  color: var(--gray-600);
  font-size: 0.85rem;
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-card ul li::before {
  content: '✓';
  color: var(--emerald-600);
  font-weight: 800;
}

.product-card a {
  text-decoration: none;
  color: var(--blue-700);
  font-weight: 700;
  font-size: 0.9rem;
}

.product-card a:hover {
  color: var(--blue-600);
}

.principles-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.principle-card {
  padding: 20px;
}

.principle-card h3 {
  font-size: 1rem;
}

.principle-card p {
  margin: 8px 0 0;
  color: var(--gray-600);
  font-size: 0.9rem;
}

.roadmap-card {
  margin-top: 22px;
  padding: 22px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.roadmap-card h3 {
  font-size: 1.2rem;
}

.roadmap-card p {
  margin: 8px 0 0;
  color: var(--gray-600);
  font-size: 0.92rem;
  max-width: 60ch;
}

.roadmap-signup {
  width: min(440px, 100%);
}

.signup-label {
  margin: 0;
  color: var(--gray-700);
  font-size: 0.82rem;
  font-weight: 600;
}

.launch-form {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.launch-form input[type='email'] {
  flex: 1 1 220px;
  min-height: 42px;
  border-radius: 10px;
  border: 1px solid var(--gray-300);
  background: #fff;
  color: var(--gray-800);
  padding: 0 12px;
  font-size: 0.9rem;
}

.launch-form input[type='email']:focus-visible {
  outline: 2px solid rgba(37, 99, 235, 0.2);
  outline-offset: 1px;
  border-color: #93c5fd;
}

.launch-form button {
  min-height: 42px;
}

.launch-form-status {
  min-height: 18px;
  margin: 8px 0 0;
  font-size: 0.82rem;
  color: var(--gray-500);
}

.launch-form-status.is-success {
  color: #047857;
}

.launch-form-status.is-error {
  color: #b91c1c;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-footer {
  border-top: 1px solid var(--gray-200);
  background: #fff;
}

.footer-row {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--gray-500);
  font-size: 0.86rem;
}

.footer-row p {
  margin: 0;
}

.footer-row a {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 600;
}

@media (max-width: 860px) {
  .mobile-nav-btn {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 14px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 10px;
    border-radius: 10px;
  }

  .site-nav a.btn {
    margin-top: 6px;
  }

  .proof-row {
    grid-template-columns: 1fr;
  }

  .roadmap-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .roadmap-signup {
    width: 100%;
  }

  .launch-form {
    flex-direction: column;
    align-items: stretch;
  }

  .launch-form input[type='email'] {
    flex: 0 0 auto;
    min-height: 44px;
    height: 44px;
    width: 100%;
  }

  .launch-form button {
    width: 100%;
  }

  .footer-row {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 14px 0;
  }
}