:root {
  color-scheme: light;
  --primary: #003b93;
  --primary-container: #0051c3;
  --on-primary: #ffffff;
  --surface: #fbf9f8;
  --surface-container-low: #f6f3f2;
  --surface-container: #efebe9;
  --surface-container-high: #e6e1df;
  --surface-container-highest: #d7d2d0;
  --surface-container-lowest: #ffffff;
  --on-surface: #1b1c1c;
  --on-surface-variant: #5f5e5e;
  --secondary: #5f5e5e;
  --secondary-container: #e2dfde;
  --on-secondary-container: #242425;
  --secondary-fixed: #d9e3f7;
  --on-secondary-fixed: #1f2c45;
  --primary-fixed: #cddfff;
  --on-primary-fixed-variant: #0f2f63;
  --outline-variant: rgba(195, 198, 214, 0.15);
  --inverse-surface: #232a35;
  --inverse-on-surface: #f8f9fb;
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --ambient-shadow: 0 26px 60px rgba(27, 28, 28, 0.05);
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-shadow: 0 14px 50px rgba(27, 28, 28, 0.05);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --primary: #81ecff;
  --primary-container: #00e3fd;
  --on-primary: #004d57;
  --surface: #0e0e0e;
  --surface-container-low: #131313;
  --surface-container: #1a1a1a;
  --surface-container-high: #20201f;
  --surface-container-highest: #262626;
  --surface-container-lowest: #000000;
  --on-surface: #ffffff;
  --on-surface-variant: #adaaaa;
  --secondary: #00fdc6;
  --secondary-container: #006c53;
  --on-secondary-container: #dffff0;
  --secondary-fixed: #00fdc6;
  --on-secondary-fixed: #004735;
  --primary-fixed: #00e3fd;
  --on-primary-fixed-variant: #005762;
  --outline-variant: rgba(72, 72, 71, 0.28);
  --inverse-surface: #fcf9f8;
  --inverse-on-surface: #565555;
  --ambient-shadow: 0 26px 60px rgba(0, 0, 0, 0.5);
  --glass-bg: rgba(14, 14, 14, 0.62);
  --glass-shadow: 0 0 40px rgba(0, 229, 255, 0.05);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  padding: 0;
}

body {
  background:
    radial-gradient(1100px 460px at 92% -10%, rgba(0, 59, 147, 0.09), transparent 62%),
    radial-gradient(900px 420px at 10% -15%, rgba(0, 81, 195, 0.08), transparent 56%),
    var(--surface);
  color: var(--on-surface);
  font-family: "Inter", "Segoe UI", sans-serif;
  line-height: 1.6;
}

html[data-theme="dark"] body {
  background:
    radial-gradient(900px 420px at 86% -14%, rgba(0, 227, 253, 0.11), transparent 60%),
    radial-gradient(700px 380px at 12% -12%, rgba(0, 253, 198, 0.08), transparent 56%),
    var(--surface);
}

@keyframes editorial-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

a {
  color: inherit;
}

.site-shell {
  margin: 0 auto;
  max-width: 1320px;
  padding: var(--space-6) min(4vw, var(--space-12)) var(--space-16);
}

.topbar {
  align-items: center;
  backdrop-filter: blur(24px);
  background: var(--glass-bg);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
  display: flex;
  gap: var(--space-6);
  justify-content: space-between;
  margin-bottom: var(--space-10);
  padding: var(--space-4) var(--space-6);
  position: sticky;
  top: var(--space-4);
  outline: 1px solid var(--outline-variant);
  z-index: 20;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: var(--space-3);
  text-decoration: none;
}

.brand-mark {
  background: linear-gradient(150deg, var(--primary) 0%, var(--primary-container) 100%);
  border-radius: 0.82rem;
  height: 2rem;
  width: 2rem;
}

.brand-copy {
  color: var(--on-surface);
  font-family: "Plus Jakarta Sans", "Avenir Next", sans-serif;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.top-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: flex-end;
}

.top-links a {
  border-radius: 999px;
  color: var(--secondary);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  padding: 0.6rem 0.85rem;
  text-decoration: none;
  text-transform: uppercase;
  transition: background-color 220ms ease, color 220ms ease;
}

.top-links a:hover,
.top-links a:focus-visible {
  background: var(--surface-container-low);
  color: var(--on-surface);
  outline: none;
}

.theme-toggle {
  align-items: center;
  background: var(--surface-container-high);
  border: 0;
  border-radius: 999px;
  color: var(--on-surface);
  cursor: pointer;
  display: inline-flex;
  font-family: "Inter", "Segoe UI", sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  gap: 0.48rem;
  letter-spacing: 0.12em;
  padding: 0.5rem 0.72rem;
  text-transform: uppercase;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  background: var(--surface-container-highest);
  outline: none;
  transform: translateY(-1px);
}

.theme-toggle__dot {
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  border-radius: 999px;
  box-shadow: 0 0 0 1px var(--outline-variant);
  display: inline-block;
  height: 0.72rem;
  width: 0.72rem;
}

html[data-theme="dark"] .theme-toggle__dot {
  box-shadow: 0 0 18px rgba(0, 227, 253, 0.35);
}

.hero {
  background: var(--surface);
  border-radius: calc(var(--radius-xl) + 0.3rem);
  margin-bottom: var(--space-10);
  overflow: visible;
  padding: clamp(var(--space-16), 12vw, var(--space-24)) clamp(var(--space-6), 6vw, var(--space-20));
  position: relative;
  animation: editorial-rise 520ms ease both;
}

.hero::before {
  background: linear-gradient(135deg, rgba(0, 59, 147, 0.11) 0%, rgba(0, 81, 195, 0.07) 55%, rgba(0, 59, 147, 0) 100%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

html[data-theme="dark"] .hero::before {
  background: linear-gradient(135deg, rgba(129, 236, 255, 0.12) 0%, rgba(0, 227, 253, 0.08) 55%, rgba(129, 236, 255, 0) 100%);
}

.hero > * {
  position: relative;
  z-index: 1;
}

.kicker {
  color: var(--secondary);
  display: inline-block;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.19em;
  margin-bottom: var(--space-4);
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--on-surface);
  font-family: "Plus Jakarta Sans", "Avenir Next", sans-serif;
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0;
}

h1 {
  font-size: clamp(2.65rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.22;
  max-width: 9.5em;
  padding-block: 0.08em;
  text-wrap: pretty;
}

h2 {
  font-size: clamp(1.7rem, 3.8vw, 2.65rem);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

h3 {
  font-size: clamp(1.2rem, 2.6vw, 1.55rem);
  font-weight: 700;
}

.hero p,
.copy-block p,
.copy-block li {
  color: var(--on-surface-variant);
  font-size: clamp(0.98rem, 2.3vw, 1.08rem);
  max-width: 66ch;
}

.hero p {
  margin: var(--space-6) 0 0;
}

.section-card {
  background: var(--surface-container-low);
  border-radius: var(--radius-lg);
  margin-top: var(--space-8);
  padding: clamp(var(--space-8), 5vw, var(--space-12));
  animation: editorial-rise 580ms ease both;
}

.section-card:nth-of-type(2n) {
  background: var(--surface-container-lowest);
}

.section-card + .section-card {
  margin-top: var(--space-10);
}

.delay-1 {
  animation-delay: 80ms;
}

.delay-2 {
  animation-delay: 150ms;
}

.section-card.copy-block {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: minmax(0, 1fr);
}

.section-card.copy-block > h2,
.section-card.copy-block > h3 {
  max-width: 18ch;
}

.section-card.copy-block > p,
.section-card.copy-block > ul,
.section-card.copy-block > ol {
  margin: 0;
  max-width: 72ch;
}

.section-card.copy-block ul,
.section-card.copy-block ol {
  padding-left: 1.1rem;
}

.section-card.copy-block li + li {
  margin-top: var(--space-3);
}

.copy-block p + p {
  margin-top: var(--space-4);
}

.copy-block li::marker {
  color: color-mix(in srgb, var(--primary) 58%, white 42%);
}

.copy-block > * + h2,
.copy-block > * + h3 {
  margin-top: var(--space-8);
}

.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.card-links a,
.inline-link,
.cta {
  align-items: center;
  border-radius: var(--radius-sm);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 700;
  gap: 0.35rem;
  letter-spacing: 0.09em;
  padding: 0.7rem 0.9rem;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.card-links a,
.inline-link {
  background: var(--secondary-container);
  color: var(--on-secondary-container);
}

.card-links a:hover,
.inline-link:hover,
.card-links a:focus-visible,
.inline-link:focus-visible {
  background: color-mix(in srgb, var(--secondary-container) 72%, white 28%);
  outline: none;
  transform: translateY(-1px);
}

.cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: var(--on-primary);
}

.cta:hover,
.cta:focus-visible {
  filter: brightness(1.06);
  outline: none;
  transform: translateY(-1px);
}

.app-grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  margin-top: var(--space-8);
}

.app-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-lg);
  display: grid;
  gap: var(--space-4);
  min-height: 220px;
  padding: var(--space-8);
  transition: background-color 240ms ease, transform 240ms ease;
}

.app-card:hover {
  background: var(--surface-container);
  transform: translateY(-4px);
}

.badge {
  background: var(--secondary-fixed);
  border-radius: 999px;
  color: var(--on-secondary-fixed);
  font-size: 0.66rem;
  font-weight: 700;
  justify-self: start;
  letter-spacing: 0.14em;
  padding: 0.34rem 0.58rem;
  text-transform: uppercase;
}

.empty-state {
  background: var(--surface-container-low);
  border-radius: var(--radius-lg);
  color: var(--on-surface-variant);
  font-size: 0.95rem;
  padding: var(--space-8);
}

input,
textarea,
select {
  background: var(--surface-container-high);
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--on-surface);
  font-family: "Inter", "Segoe UI", sans-serif;
  font-size: 1rem;
  padding: 0.8rem 0.9rem;
}

input:focus,
textarea:focus,
select:focus {
  border-bottom-color: var(--primary);
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--on-surface-variant);
}

footer {
  color: var(--secondary);
  font-size: 0.85rem;
  margin-top: var(--space-12);
  padding: var(--space-6) 0 var(--space-4);
  text-transform: uppercase;
}

code,
pre,
.mono {
  font-family: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.tooltip {
  background: var(--inverse-surface);
  border-radius: 0.75rem;
  color: var(--inverse-on-surface);
  font-size: 0.82rem;
  padding: 0.55rem 0.68rem;
}

.glass {
  backdrop-filter: blur(24px);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--ambient-shadow);
}

@media (min-width: 900px) {
  .hero {
    display: grid;
    gap: var(--space-8);
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }

  .hero > p {
    align-self: end;
    justify-self: end;
    max-width: 38ch;
  }

  .section-card.copy-block {
    column-gap: var(--space-16);
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .section-card:not(.copy-block) {
    align-items: start;
    column-gap: var(--space-16);
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .section-card:not(.copy-block) > h2,
  .section-card:not(.copy-block) > h3 {
    grid-column: 1;
    margin: 0;
    max-width: 18ch;
  }

  .section-card:not(.copy-block) > * {
    grid-column: 2;
  }

  .section-card.copy-block > h2,
  .section-card.copy-block > h3 {
    grid-column: 1;
    margin: 0;
  }

  .section-card.copy-block > p,
  .section-card.copy-block > ul,
  .section-card.copy-block > ol {
    grid-column: 2;
  }

  .copy-block > * + h2,
  .copy-block > * + h3 {
    margin-top: var(--space-2);
  }
}

@media (max-width: 899px) {
  .site-shell {
    padding-top: var(--space-4);
  }

  .topbar {
    margin-bottom: var(--space-8);
    top: 0.45rem;
  }

  h1 {
    line-height: 1.18;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }
}