:root {
  --page-soft: #eef5ff;
  --page-base: #f7fbff;
  --shell-deep: #07133f;
  --shell-mid: #102567;
  --shell-bright: #15358a;
  --shell-accent: #89ff86;
  --shell-aqua: #35e8d1;
  --shell-blue: #2890ff;
  --card: rgba(255, 255, 255, 0.92);
  --card-strong: rgba(255, 255, 255, 0.14);
  --card-muted: #eef7ff;
  --text: #13203f;
  --text-soft: #66728d;
  --text-faint: #8c98b0;
  --text-on-dark: #f6fbff;
  --text-on-dark-soft: rgba(246, 251, 255, 0.72);
  --border: rgba(20, 40, 92, 0.1);
  --border-strong: rgba(255, 255, 255, 0.12);
  --primary: #1547a8;
  --primary-strong: #0c2d76;
  --primary-soft: #e7f4ff;
  --success: #0eae95;
  --shadow-soft: 0 20px 50px rgba(14, 27, 66, 0.08);
  --shadow-card: 0 28px 68px rgba(12, 26, 62, 0.12);
  --shadow-hero: 0 42px 120px rgba(7, 15, 48, 0.28);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --gutter: clamp(20px, 4vw, 44px);
  --font-display: "Roboto", "Segoe UI", sans-serif;
  --font-body: "Roboto", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(117, 255, 178, 0.22), transparent 20%),
    radial-gradient(circle at 88% 20%, rgba(45, 157, 255, 0.18), transparent 22%),
    linear-gradient(180deg, #f7fbff 0%, #eff6ff 48%, #f8fbff 100%);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

input,
button,
textarea,
select {
  font: inherit;
}

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

.page-shell {
  position: relative;
  min-height: 100vh;
  padding-bottom: 46px;
}

.page-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 82% 76%, rgba(37, 224, 204, 0.07), transparent 26%),
    radial-gradient(circle at 16% 88%, rgba(33, 118, 255, 0.05), transparent 24%);
  pointer-events: none;
  z-index: 0;
}

.hero {
  position: relative;
  overflow: hidden;
  margin: 18px;
  padding: 26px var(--gutter) 88px;
  border-radius: 42px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 14% 18%, rgba(137, 255, 134, 0.12), transparent 20%),
    radial-gradient(circle at 80% 18%, rgba(53, 232, 209, 0.14), transparent 18%),
    radial-gradient(circle at 72% 76%, rgba(40, 144, 255, 0.12), transparent 22%),
    linear-gradient(140deg, #08143d 0%, #0d1e59 30%, #0a184d 64%, #061135 100%);
  box-shadow: 0 34px 96px rgba(7, 15, 48, 0.22);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  right: -110px;
  top: 88px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  filter: blur(10px);
  pointer-events: none;
}

.topbar,
.hero-grid {
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto 56px;
}

.topbar-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  padding: 10px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(14px);
}

.brand-lockup,
.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  object-fit: cover;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 40px rgba(5, 11, 40, 0.24);
}

.eyebrow,
.section-kicker,
.tag,
.meta-label {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 800;
}

.eyebrow,
.meta-label {
  color: var(--text-on-dark-soft);
}

.brand-name {
  margin: 4px 0 0;
  color: var(--text-on-dark);
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.chip-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-on-dark);
  font-size: 14px;
  font-weight: 500;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.chip-link:hover,
.footer-link:hover,
.primary-cta:hover,
.secondary-cta:hover {
  transform: translateY(-1px);
}

.chip-link:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.16);
}

.chip-link-muted {
  color: var(--text-on-dark-soft);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 40px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
}

.hero-grid-legal {
  grid-template-columns: 1fr;
}

.hero-legal {
  padding-bottom: 48px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  margin-bottom: 18px;
  color: #dffff7;
  background: rgba(255, 255, 255, 0.09);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.hero-copy h2 {
  margin: 0;
  max-width: 12ch;
  color: var(--text-on-dark);
  font-family: var(--font-display);
  font-size: clamp(44px, 6.1vw, 70px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.98;
  text-wrap: balance;
}

.hero-copy h2 span {
  display: block;
  margin-top: 12px;
  color: rgba(227, 255, 244, 0.8);
}

.lead {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--text-on-dark-soft);
  font-size: 17px;
  line-height: 1.68;
  text-wrap: pretty;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0;
}

.primary-cta,
.secondary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
}

.primary-cta {
  background: linear-gradient(135deg, #fbffeb 0%, #8eff8d 15%, #35ead8 58%, #2a93ff 100%);
  color: #081741;
  box-shadow: 0 18px 48px rgba(27, 82, 188, 0.3);
}

.secondary-cta {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-on-dark);
}

.secondary-cta:hover {
  background: rgba(255, 255, 255, 0.11);
  border-color: rgba(255, 255, 255, 0.2);
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 780px;
}

.meta-card {
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(10px);
}

.meta-card strong {
  display: block;
  margin-top: 8px;
  color: var(--text-on-dark);
  font-size: 16px;
  line-height: 1.42;
}

.hero-panel {
  position: relative;
}

.panel-frame {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 250, 255, 0.96)),
    linear-gradient(145deg, rgba(137, 255, 134, 0.1), rgba(40, 144, 255, 0.08));
  box-shadow: 0 30px 78px rgba(8, 20, 56, 0.3);
}

.panel-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(circle at top right, rgba(144, 255, 149, 0.22), transparent 22%),
    radial-gradient(circle at left bottom, rgba(41, 162, 255, 0.12), transparent 26%);
  pointer-events: none;
}

.panel-header {
  display: flex;
  gap: 10px;
  padding: 20px 24px 0;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(138, 153, 181, 0.56);
}

.panel-body {
  position: relative;
  padding: 24px;
}

.metric-card {
  margin-bottom: 14px;
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(20, 55, 131, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(237, 246, 255, 0.92));
}

.metric-card.accent {
  background: linear-gradient(135deg, rgba(235, 255, 240, 0.92), rgba(233, 246, 255, 0.94));
}

.metric-label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.metric-card strong {
  display: block;
  max-width: 24ch;
  color: var(--text);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.34;
}

.metric-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.metric-list div {
  padding-top: 14px;
  border-top: 1px solid rgba(20, 55, 131, 0.1);
}

.metric-list div:first-child {
  padding-top: 0;
  border-top: 0;
}

.metric-list span {
  color: var(--text);
  font-size: 15px;
  font-weight: 800;
}

.metric-list p {
  margin: 8px 0 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.65;
}

main {
  position: relative;
  z-index: 2;
  max-width: 1260px;
  margin: -42px auto 0;
  padding: 0 var(--gutter) 72px;
}

.feature-strip,
.install-section,
.notes-section,
.legal-strip,
.legal-layout {
  margin-top: 30px;
}

.feature-strip {
  display: grid;
  gap: 20px;
}

.feature-strip article {
  padding: 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 16px 40px rgba(14, 27, 66, 0.06);
}

.feature-strip h3,
.install-copy h3,
.checksum-card h4,
.note-card h4 {
  margin: 10px 0 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.section-kicker {
  color: var(--primary);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.checksum-card,
.note-card,
.legal-link-card,
.legal-card,
.install-copy {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 16px 40px rgba(14, 27, 66, 0.06);
}

.feature-card::before,
.checksum-card::before,
.note-card::before,
.legal-link-card::before,
.legal-card::before,
.install-copy::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0)),
    radial-gradient(circle at top right, rgba(120, 255, 173, 0.18), transparent 28%);
  pointer-events: none;
}

.feature-card,
.checksum-card,
.note-card,
.legal-link-card,
.legal-card {
  padding: 24px;
}

.feature-card,
.note-card,
.legal-link-card {
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.feature-card:hover,
.note-card:hover,
.legal-link-card:hover {
  transform: translateY(-2px);
  border-color: rgba(21, 71, 168, 0.18);
  box-shadow: var(--shadow-card);
}

.feature-card span:first-child {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 14px;
  background: linear-gradient(135deg, #efffd9 0%, #dbfff5 100%);
  color: var(--primary);
  font-size: 18px;
  font-weight: 800;
}

.feature-card h4,
.legal-link-card h4,
.legal-card h3 {
  margin: 0 0 10px;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.feature-card p,
.checksum-card p,
.note-card p,
.legal-link-card p,
.legal-card p,
.install-copy ol {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.68;
}

.install-section {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 18px;
}

.install-copy {
  padding: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(240, 247, 255, 0.96));
}

.install-copy ol {
  margin: 18px 0 0;
  padding-left: 20px;
}

.install-copy li + li {
  margin-top: 10px;
}

.checksum-card code {
  display: block;
  margin: 18px 0;
  padding: 16px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #edf8ff 0%, #eef9ff 100%);
  color: var(--primary-strong);
  font-size: 13px;
  line-height: 1.65;
  word-break: break-word;
}

.notes-section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.legal-strip,
.legal-layout {
  display: grid;
  gap: 18px;
}

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

.legal-link-card,
.legal-card {
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.legal-link-card:hover {
  transform: translateY(-2px);
  border-color: rgba(21, 71, 168, 0.18);
  box-shadow: var(--shadow-card);
}

.inline-link {
  color: var(--primary);
  font-weight: 800;
}

.site-footer {
  display: grid;
  gap: 18px;
  max-width: 1260px;
  margin: 30px auto 0;
  padding: 0 var(--gutter);
}

.footer-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding: 22px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 40px rgba(14, 27, 66, 0.06);
}

.footer-brand .brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  box-shadow: none;
}

.footer-copy strong {
  display: block;
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
}

.footer-copy p,
.footer-note {
  margin: 4px 0 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: linear-gradient(180deg, #f8fbff, #edf5ff);
  color: var(--primary-strong);
  font-size: 13px;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

@media (max-width: 960px) {
  .hero-grid,
  .install-section,
  .feature-grid,
  .notes-section,
  .meta-grid,
  .legal-strip {
    grid-template-columns: 1fr;
  }

  .hero-copy h2 {
    max-width: none;
  }

  .hero-panel {
    max-width: 760px;
  }

  .topbar-links,
  .footer-shell {
    border-radius: 24px;
  }
}

@media (max-width: 640px) {
  .hero {
    margin: 10px;
    padding-top: 20px;
    padding-bottom: 50px;
    border-radius: 30px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 34px;
  }

  .topbar-links {
    justify-content: flex-start;
    padding: 0;
    border: 0;
    background: none;
    box-shadow: none;
    backdrop-filter: none;
  }

  .brand-mark {
    width: 52px;
    height: 52px;
  }

  .hero-copy h2 {
    font-size: 42px;
  }

  .lead {
    font-size: 16px;
  }

  .feature-card,
  .install-copy,
  .checksum-card,
  .note-card,
  .legal-link-card,
  .legal-card {
    padding: 20px;
  }

  .feature-strip article {
    padding: 22px 20px;
  }

  .feature-card h4,
  .legal-link-card h4,
  .legal-card h3,
  .install-copy h3,
  .checksum-card h4,
  .note-card h4 {
    font-size: 22px;
  }

  .cta-row {
    flex-direction: column;
  }

  .primary-cta,
  .secondary-cta {
    width: 100%;
  }

  .footer-shell {
    padding: 20px;
  }
}
