:root {
  color-scheme: dark;
  --bg: #0b0b0f;
  --surface: #18181f;
  --surface-hover: #20202a;
  --border: #2b2b38;
  --text: #f4f4f5;
  --muted: #adadb6;
  --soft: #81818b;
  --violet: #6c5cff;
  --violet-soft: rgba(108, 92, 255, .16);
  --violet-border: rgba(108, 92, 255, .42);
  --lime: #b8ff3d;
  --radius-card: 18px;
  --radius-button: 14px;
}

* { box-sizing: border-box; }

html { min-width: 320px; background: var(--bg); }

body {
  min-width: 320px;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a { color: inherit; }

.ambient {
  position: fixed;
  z-index: -1;
  top: -19rem;
  right: -12rem;
  width: 43rem;
  height: 43rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 92, 255, .16), transparent 68%);
  pointer-events: none;
}

.site-shell {
  width: min(100% - 40px, 1040px);
  min-height: 100dvh;
  margin: 0 auto;
  padding: 24px 0 38px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 54px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-name {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .08em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 4vw, 38px);
}

.main-nav a {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .15em;
  line-height: 1.4;
  text-decoration: none;
  text-transform: uppercase;
  transition: color .16s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible { color: var(--text); }

.main-nav a[aria-current="page"] {
  color: var(--text);
}

.main-nav__external {
  position: relative;
  margin-left: 4px;
  padding-left: clamp(20px, 3vw, 30px);
}

.main-nav__external::before {
  position: absolute;
  top: -3px;
  bottom: -3px;
  left: 0;
  width: 1px;
  background: var(--border);
  content: "";
}

.main-nav__external span { color: var(--violet); }

.mobile-menu { display: none; }
}

.brand:focus-visible {
  outline: 3px solid rgba(108, 92, 255, .55);
  outline-offset: 5px;
}

.intro {
  max-width: 720px;
  margin-bottom: 43px;
}

h1,
h2,
h3,
p { margin-top: 0; }

h1 {
  margin-bottom: 20px;
  font-size: clamp(36px, 6vw, 54px);
  font-weight: 700;
  letter-spacing: -.075em;
  line-height: .96;
}

h1 em {
  color: var(--lime);
  font-style: normal;
}

.intro-lead {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 18px);
  letter-spacing: -.02em;
  line-height: 1.55;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.product-card {
  display: flex;
  min-height: 294px;
  flex-direction: column;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--surface);
  text-decoration: none;
  transition: background .16s ease, border-color .16s ease, transform .16s ease, box-shadow .16s ease;
}

.product-card:hover {
  border-color: var(--violet-border);
  background: var(--surface-hover);
  box-shadow: 0 16px 32px rgba(0, 0, 0, .2);
  transform: translateY(-2px);
}

.product-card:focus-visible {
  outline: 3px solid rgba(108, 92, 255, .55);
  outline-offset: 4px;
}

.product-card--recommended { border-color: var(--violet-border); }

.card-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  min-height: 24px;
}

.card-kicker {
  margin: 0;
  color: #aaa2ff;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .11em;
  line-height: 1.3;
  text-transform: uppercase;
}

.card-status {
  flex: 0 0 auto;
  padding: 5px 8px;
  border: 1px solid rgba(184, 255, 61, .24);
  border-radius: 999px;
  color: var(--lime);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 10px;
  letter-spacing: .055em;
  line-height: 1;
  text-transform: uppercase;
}

.card-icon {
  display: grid;
  width: 42px;
  height: 42px;
  margin: 27px 0 20px;
  place-items: center;
  border-radius: 12px;
  background: var(--violet-soft);
  color: #c9c4ff;
}

.card-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.card-body { flex: 1; }

h3 {
  max-width: 460px;
  margin-bottom: 10px;
  font-size: clamp(21px, 2.35vw, 27px);
  letter-spacing: -.055em;
  line-height: 1.08;
}

.card-body p {
  max-width: 470px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

.card-action {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  min-height: 45px;
  margin-top: 24px;
  padding: 10px 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-button);
  background: rgba(108, 92, 255, .08);
  color: var(--text);
  font-size: 13px;
  font-weight: 800;
  transition: background .16s ease, border-color .16s ease, color .16s ease;
}

.product-card--recommended .card-action {
  border-color: rgba(184, 255, 61, .28);
  background: rgba(184, 255, 61, .09);
  color: var(--lime);
}

.product-card:hover .card-action {
  border-color: var(--violet-border);
  background: var(--violet-soft);
}

.product-card--recommended:hover .card-action {
  border-color: rgba(184, 255, 61, .4);
  background: rgba(184, 255, 61, .14);
}

.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 {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 7px;
  margin-top: 38px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--soft);
  font-size: 12px;
  line-height: 1.45;
}

.site-footer a { color: var(--muted); text-underline-offset: 3px; }
.site-footer a:hover, .site-footer a:focus-visible { color: var(--text); }

@media (max-width: 700px) {
  .site-shell {
    width: min(100% - 28px, 560px);
    padding-top: 16px;
  }

  .site-header { margin-bottom: 38px; }

  .main-nav { display: none; }

  .mobile-menu {
    position: relative;
    display: block;
  }

  .mobile-menu summary {
    position: relative;
    display: flex;
    min-height: 42px;
    align-items: center;
    gap: 10px;
    padding: 8px 0 8px 12px;
    color: var(--text);
    cursor: pointer;
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .12em;
    list-style: none;
    text-transform: uppercase;
  }

  .mobile-menu summary::-webkit-details-marker { display: none; }

  .mobile-menu summary i,
  .mobile-menu summary::before,
  .mobile-menu summary::after {
    display: block;
    width: 17px;
    height: 1px;
    background: var(--text);
    content: "";
    transition: transform .16s ease;
  }

  .mobile-menu summary i { position: absolute; right: 0; }
  .mobile-menu summary { padding-right: 27px; }
  .mobile-menu summary::before { position: absolute; right: 0; transform: translateY(-5px); }
  .mobile-menu summary::after { position: absolute; right: 0; transform: translateY(5px); }
  .mobile-menu[open] summary i { opacity: 0; }
  .mobile-menu[open] summary::before { transform: rotate(45deg); }
  .mobile-menu[open] summary::after { transform: rotate(-45deg); }

  .mobile-menu nav {
    position: absolute;
    z-index: 4;
    top: calc(100% + 7px);
    right: 0;
    display: grid;
    min-width: 190px;
    padding: 0 0 0 16px;
    border-left: 1px solid var(--border);
    background: rgba(11, 11, 15, .94);
  }

  .mobile-menu nav a {
    display: flex;
    min-height: 40px;
    align-items: center;
    padding: 9px 0;
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .15em;
    line-height: 1.4;
    text-decoration: none;
    text-transform: uppercase;
  }

  .mobile-menu nav a + a { border-top: 1px solid var(--border); }

  .mobile-menu nav a:hover,
  .mobile-menu nav a:focus-visible { color: var(--text); }

  .mobile-menu nav a[aria-current="page"] { color: var(--violet); }

  .mobile-menu .main-nav__external { margin: 0; padding-left: 0; border-radius: 0; }

  .mobile-menu .main-nav__external::before { display: none; }

  .intro { margin-bottom: 32px; }

  h1 {
    margin-bottom: 15px;
    font-size: 36px;
  }

  .intro-lead { font-size: 16px; }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .product-card {
    min-height: 0;
    padding: 18px;
  }

  .card-icon {
    margin-top: 25px;
    margin-bottom: 18px;
  }

  .card-body p {
    font-size: 16px;
    line-height: 1.5;
  }

  .card-action {
    min-height: 48px;
    margin-top: 22px;
    font-size: 14px;
  }

  .card-status {
    padding: 6px 9px;
    font-size: 11px;
  }

  .site-footer { margin-top: 30px; }
}

@media (max-width: 390px) {
  .site-shell { width: min(100% - 24px, 360px); }

  .site-header { margin-bottom: 34px; gap: 10px; }

  .intro { margin-bottom: 28px; }

  h1 { font-size: 36px; }

  .product-card { padding: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}