:root {
  --bg: #0b0f14;
  --bg2: #0a0d12;
  --panel: rgba(255, 255, 255, 0.06);
  --panel2: rgba(255, 255, 255, 0.04);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --soft: rgba(255, 255, 255, 0.12);
  --shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --max: 1120px;
}

/* Accessibility helpers */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

:root[data-theme="light"] {
  --bg: #f6f7fb;
  --bg2: #ffffff;
  --panel: rgba(0, 0, 0, 0.04);
  --panel2: rgba(0, 0, 0, 0.03);
  --text: rgba(0, 0, 0, 0.88);
  --muted: rgba(0, 0, 0, 0.64);
  --soft: rgba(0, 0, 0, 0.12);
  --shadow: 0 14px 34px rgba(0, 0, 0, 0.12);
}

/* utility for bold styling without semantic tags */
.fw-bold {
  font-weight: 700;
}

* {
  box-sizing: border-box;
}
html:focus-within {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial,
    "Apple Color Emoji",
    "Segoe UI Emoji";
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(
      1200px 600px at 12% 0%,
      rgba(120, 140, 255, 0.22),
      transparent 60%
    ),
    radial-gradient(
      900px 500px at 88% 20%,
      rgba(0, 255, 170, 0.12),
      transparent 55%
    ),
    var(--bg);
}

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

.skip {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid var(--soft);
  transform: translateY(-140%);
  z-index: 999;
}
.skip:focus {
  transform: translateY(0);
  outline: none;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 65%, transparent);
  border-bottom: 1px solid var(--soft);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 240px;
}
.brand__mark {
  width: 36px;
  height: 36px;
  border-radius: 14px;
  background: linear-gradient(
    135deg,
    rgba(120, 140, 255, 0.9),
    rgba(0, 255, 170, 0.7)
  );
  box-shadow: var(--shadow);
}
.brand__text strong {
  font-size: 14px;
  letter-spacing: 0.2px;
}
.brand__text span {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.nav__links {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.chip {
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--soft);
  text-decoration: none !important;
  transition: transform 0.12s ease;
}
.chip:hover {
  transform: translateY(-1px);
}

.theme {
  margin-left: 8px;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--soft);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}
.theme:focus-visible {
  outline: 3px solid
    color-mix(in srgb, rgba(120, 140, 255, 0.9) 55%, transparent);
  outline-offset: 2px;
}

.main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 18px 64px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  align-items: stretch;
  margin-top: 10px;
}

.hero__left {
  padding: 22px;
}
.hero__right {
  display: grid;
  grid-template-rows: auto 1fr;
}

.badge {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--soft);
  padding: 6px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 70%, transparent);
}
.badge__dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(0, 255, 170, 0.9);
  box-shadow: 0 0 0 3px rgba(0, 255, 170, 0.18);
}

h1 {
  font-size: clamp(26px, 3.2vw, 46px);
  line-height: 1.12;
  margin: 14px 0 10px;
  letter-spacing: -0.6px;
}
.muted {
  color: var(--muted);
  font-weight: 500;
}

.lead {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 15px;
  max-width: 62ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--soft);
  background: rgba(255, 255, 255, 0.06);
  text-decoration: none !important;
  font-weight: 650;
  font-size: 14px;
}
.btn--primary {
  background: linear-gradient(
    135deg,
    rgba(120, 140, 255, 0.92),
    rgba(0, 255, 170, 0.68)
  );
  border: none;
  color: #0b0f14;
}
.btn--wide {
  width: 100%;
}
.btn:focus-visible {
  outline: 3px solid
    color-mix(in srgb, rgba(120, 140, 255, 0.9) 55%, transparent);
  outline-offset: 2px;
}

.quick {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.quick li {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--soft);
  background: rgba(255, 255, 255, 0.03);
}
.quick li strong {
  margin-right: 6px;
}

.hero__img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--bg2);
}
.hero__note {
  padding: 14px 16px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--soft);
  background: var(--panel2);
}

.grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.span-8 {
  grid-column: span 8;
}
.span-4 {
  grid-column: span 4;
}

.box {
  padding: 18px;
}

.section h2 {
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.2px;
}
.sub {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.pillrow {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.pill {
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--soft);
  color: var(--muted);
}

.stack {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.fineprint {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.cards {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}
.mini {
  grid-column: span 4;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--soft);
  background: rgba(255, 255, 255, 0.03);
}
.mini h3 {
  margin: 0 0 6px;
  font-size: 15px;
}
.mini p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.clips {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}
.clip {
  grid-column: span 4;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--soft);
  background: rgba(255, 255, 255, 0.03);
  text-decoration: none !important;
  transition: transform 0.12s ease;
}
.clip:hover {
  transform: translateY(-1px);
}
.clip__title {
  display: block;
  font-weight: 750;
  margin-bottom: 4px;
}
.clip__meta {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.faq {
  margin-top: 10px;
}
details {
  border: 1px solid var(--soft);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 12px;
}
details + details {
  margin-top: 10px;
}
summary {
  cursor: pointer;
  font-weight: 750;
}
summary::-webkit-details-marker {
  display: none;
}
details p {
  margin: 8px 0 0;
  color: var(--muted);
}

.social {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 10px;
}
.social .btn {
  grid-column: span 6;
}

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 22px 18px 48px;
  color: var(--muted);
  font-size: 13px;
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}
.footer__links a {
  color: inherit;
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .brand {
    min-width: auto;
  }
  .span-8,
  .span-4 {
    grid-column: span 12;
  }
  .mini,
  .clip {
    grid-column: span 12;
  }
  .social .btn {
    grid-column: span 12;
  }
}