:root {
  --dds-blue-950: #102a43;
  --dds-blue-800: #0b3d91;
  --dds-blue-600: #1f6feb;
  --dds-sky-100: #eaf6ff;
  --dds-sky-50: #f7fbff;
  --dds-line: #dbeafe;
  --dds-text: #1f2937;
  --dds-muted: #64748b;
  --dds-bg: #ffffff;
  --dds-soft: #f6f9fc;
  --dds-card: #ffffff;
  --dds-shadow: 0 16px 40px rgba(15, 45, 86, .08);
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

.public-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 8%, rgba(31, 111, 235, .12), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f7fbff 42%, #ffffff 100%);
}

.public-container {
  width: min(1140px, calc(100% - 32px));
  margin: 0 auto;
}

.public-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(219, 234, 254, .8);
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(18px);
}

.public-nav {
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.public-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--dds-blue-950);
  text-decoration: none;
}

.public-brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.public-brand strong {
  display: block;
  font-size: 15px;
  line-height: 1.1;
}

.public-brand span {
  display: block;
  color: var(--dds-muted);
  font-size: 12px;
  font-weight: 700;
}

.public-menu {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #40566f;
  font-size: 14px;
  font-weight: 700;
}

.public-menu a {
  text-decoration: none;
}

.public-menu a:hover,
.public-menu a.active {
  color: var(--dds-blue-600);
}

.public-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.public-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--dds-line);
  border-radius: 10px;
  background: #ffffff;
  color: var(--dds-blue-800);
  font-weight: 800;
  text-decoration: none;
}

.public-btn.primary {
  border-color: var(--dds-blue-600);
  background: var(--dds-blue-600);
  color: #ffffff;
  box-shadow: 0 10px 22px rgba(31, 111, 235, .18);
}

.public-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr);
  gap: 42px;
  align-items: center;
  min-height: calc(100vh - 74px);
  padding: 72px 0;
}

.public-eyebrow {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
  color: var(--dds-blue-600);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.public-title {
  margin: 0;
  color: var(--dds-blue-950);
  font-size: clamp(42px, 8vw, 76px);
  line-height: .96;
  letter-spacing: 0;
}

.public-subtitle {
  max-width: 680px;
  margin: 22px 0 0;
  color: #526170;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 34px;
}

.proof-item {
  padding: 14px;
  border: 1px solid var(--dds-line);
  border-radius: 10px;
  background: rgba(255, 255, 255, .72);
}

.proof-item strong {
  display: block;
  color: var(--dds-blue-950);
  font-size: 20px;
}

.proof-item span {
  color: var(--dds-muted);
  font-size: 12px;
  font-weight: 800;
}

.hero-visual {
  position: relative;
  min-height: 470px;
  border: 1px solid var(--dds-line);
  border-radius: 18px;
  overflow: hidden;
  background:
    radial-gradient(circle at 24% 18%, rgba(77, 163, 255, .35), transparent 26%),
    linear-gradient(145deg, #f7fbff 0%, #e4f4ff 48%, #ffffff 100%);
  box-shadow: var(--dds-shadow);
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  border: 1px solid rgba(31, 111, 235, .18);
}

.hero-visual::before {
  width: 260px;
  height: 260px;
  top: -88px;
  right: -80px;
}

.hero-visual::after {
  width: 180px;
  height: 180px;
  left: -72px;
  bottom: -52px;
}

.mock-dashboard {
  position: absolute;
  inset: 54px 34px auto;
  padding: 18px;
  border: 1px solid rgba(219, 234, 254, .9);
  border-radius: 14px;
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 20px 42px rgba(15, 45, 86, .12);
}

.mock-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 18px;
}

.mock-pill {
  height: 12px;
  border-radius: 999px;
  background: #dbeafe;
}

.mock-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.mock-card {
  min-height: 72px;
  padding: 12px;
  border-radius: 10px;
  background: #f7fbff;
  border: 1px solid #e5edf7;
}

.mock-card b {
  display: block;
  color: var(--dds-blue-950);
  font-size: 22px;
}

.mock-card span {
  color: var(--dds-muted);
  font-size: 11px;
  font-weight: 800;
}

.mock-table {
  margin-top: 16px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid #e5edf7;
}

.mock-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr .8fr;
  gap: 8px;
  padding: 10px;
  background: #ffffff;
  border-bottom: 1px solid #edf2f7;
}

.mock-row:last-child {
  border-bottom: 0;
}

.mock-line {
  height: 10px;
  border-radius: 999px;
  background: #dbeafe;
}

.section {
  padding: 76px 0;
}

.section.soft {
  background: var(--dds-soft);
}

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-title {
  margin: 0;
  color: var(--dds-blue-950);
  font-size: 34px;
  line-height: 1.15;
}

.section-copy {
  margin: 12px 0 0;
  color: var(--dds-muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.content-card,
.article-card {
  border: 1px solid #e5edf7;
  border-radius: 12px;
  background: var(--dds-card);
  padding: 18px;
  box-shadow: 0 8px 18px rgba(15, 45, 86, .04);
}

.content-card i {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  border-radius: 10px;
  background: var(--dds-sky-100);
  color: var(--dds-blue-600);
}

.content-card h3,
.article-card h3 {
  margin: 0 0 8px;
  color: var(--dds-blue-950);
  font-size: 18px;
}

.content-card p,
.article-card p {
  margin: 0;
  color: var(--dds-muted);
}

.module-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.module-pill {
  padding: 9px 12px;
  border: 1px solid var(--dds-line);
  border-radius: 999px;
  background: #ffffff;
  color: var(--dds-blue-800);
  font-size: 13px;
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.contact-panel {
  border: 1px solid var(--dds-line);
  border-radius: 14px;
  background: #ffffff;
  padding: 24px;
  box-shadow: var(--dds-shadow);
}

.public-form {
  display: grid;
  gap: 16px;
}

.public-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.public-form label {
  display: grid;
  gap: 7px;
  color: var(--dds-blue-950);
  font-size: 13px;
  font-weight: 800;
}

.public-form input,
.public-form textarea {
  width: 100%;
  border: 1px solid var(--dds-line);
  border-radius: 10px;
  background: var(--dds-card);
  color: var(--dds-text);
  font: inherit;
  font-size: 14px;
  padding: 11px 12px;
  outline: none;
}

.public-form input:focus,
.public-form textarea:focus {
  border-color: var(--dds-blue-600);
  box-shadow: 0 0 0 3px rgba(31, 111, 235, .12);
}

.public-alert {
  margin-bottom: 16px;
  border: 1px solid var(--dds-line);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  font-weight: 700;
}

.public-alert.success {
  border-color: #bbf7d0;
  background: #f0fdf4;
  color: #166534;
}

.public-alert.error {
  border-color: #fecaca;
  background: #fef2f2;
  color: #991b1b;
}

.public-footer {
  border-top: 1px solid var(--dds-line);
  background: #ffffff;
  padding: 30px 0;
  color: var(--dds-muted);
}

.public-footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --dds-bg: #0f172a;
    --dds-soft: #111c31;
    --dds-card: #162238;
    --dds-text: #e5edf7;
    --dds-muted: #a9b7c8;
    --dds-line: #29415f;
    --dds-blue-950: #eef7ff;
    --dds-sky-50: #162238;
  }

  .public-page,
  .public-header,
  .public-btn,
  .proof-item,
  .module-pill,
  .contact-panel,
  .public-footer,
  .mock-dashboard,
  .mock-row {
    background-color: var(--dds-card);
  }

  .public-header {
    background: rgba(15, 23, 42, .88);
  }
}

@media (max-width: 960px) {
  .public-menu {
    display: none;
  }

  .public-hero,
  .split {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 390px;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .public-nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 12px 0;
  }

  .public-actions {
    width: 100%;
  }

  .public-btn {
    flex: 1;
  }

  .hero-proof,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .public-title {
    font-size: 42px;
  }

  .mock-grid {
    grid-template-columns: 1fr;
  }

  .public-form-grid {
    grid-template-columns: 1fr;
  }
}