:root {
  color-scheme: dark;
  --bg: #090b0f;
  --panel: #11161d;
  --panel-2: #151c25;
  --ink: #f4f7fb;
  --muted: #9da9b7;
  --line: #273240;
  --accent: #2563eb;
  --accent-2: #a855f7;
  --warn: #f4d06f;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(37,99,235,0.2), transparent 36%),
    linear-gradient(215deg, rgba(20,184,166,0.14), transparent 34%),
    var(--bg);
}

main {
  min-height: 100vh;
}

.hero {
  min-height: 78vh;
  display: grid;
  grid-template-rows: auto 1fr;
  padding: 22px clamp(18px, 4vw, 56px) 46px;
}

.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.nav-actions,
.hero-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-actions {
  justify-content: flex-end;
}

.topnav .language-switcher {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(17,22,29,0.72);
}

.topnav .language-switcher label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.topnav .language-switcher select {
  min-height: 28px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
}

.brand,
.login-link,
.secondary-link {
  color: var(--ink);
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #14b8a6);
}

.login-link,
.secondary-link {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(17,22,29,0.72);
}

.login-link.strong {
  border-color: rgba(37,99,235,0.55);
}

.hero-grid {
  align-self: center;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: clamp(26px, 5vw, 72px);
  align-items: center;
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 14px;
  color: #7dd3fc;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(42px, 7.2vw, 88px);
  line-height: 1.03;
  letter-spacing: 0;
}

h1 span {
  color: #9bbcff;
}

h2 {
  font-size: 21px;
  letter-spacing: 0;
}

p {
  color: var(--muted);
  line-height: 1.65;
}

.lead {
  max-width: 660px;
  margin-top: 22px;
  font-size: clamp(18px, 2.2vw, 25px);
  line-height: 1.45;
  color: #dfe7ef;
}

.hero-actions {
  margin-top: 28px;
}

.primary-link {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  padding: 0 16px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #14b8a6);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
}

.product-visual {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid rgba(140,200,255,0.24);
  border-radius: 8px;
  background: rgba(17,22,29,0.86);
  box-shadow: 0 24px 70px rgba(0,0,0,0.32);
}

.quick-panel {
  align-content: start;
}

.quick-panel h2 {
  font-size: 28px;
}

.quick-panel .eyebrow {
  margin-bottom: 0;
}

.prompt-text {
  width: 100%;
  min-height: 138px;
  resize: vertical;
  border: 1px solid rgba(140,200,255,0.28);
  border-radius: 8px;
  padding: 13px;
  background: #06080b;
  color: #eaf2ff;
  font: 14px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

.copy-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.copy-row span {
  color: var(--muted);
  font-size: 13px;
}

.copy-button {
  min-height: 40px;
  padding: 0 14px;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #14b8a6);
  color: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.visual-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
}

.visual-card.active {
  border-color: rgba(20,184,166,0.54);
  background: linear-gradient(135deg, rgba(37,99,235,0.16), rgba(20,184,166,0.12));
}

.visual-card span {
  display: block;
  margin-bottom: 12px;
  color: #7dd3fc;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
}

.visual-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 22px;
}

.visual-link {
  min-height: 42px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 8px;
  background: #06080b;
  color: #7dd3fc;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.feature-band,
.skill-callout,
.plan-compare {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto 18px;
}

.feature-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--line);
}

article {
  background: rgba(17,22,29,0.94);
}

.feature-band article {
  padding: 20px;
}

.feature-band span {
  display: block;
  margin-bottom: 16px;
  color: #7dd3fc;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

.feature-band h2 {
  margin-bottom: 10px;
}

.skill-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 22px;
  border: 1px solid rgba(20,184,166,0.34);
  border-radius: 8px;
  background: rgba(17,22,29,0.72);
}

.skill-callout h2 {
  margin-bottom: 8px;
}

.skill-callout p:not(.eyebrow) {
  max-width: 740px;
}

.plan-compare {
  padding: 24px 0 56px;
}

.plan-compare h2 {
  max-width: 720px;
  margin: 0 0 18px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.12;
}

.plan-compare-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.plan-compare article {
  min-height: 100%;
  padding: 20px;
  border: 1px solid rgba(140,200,255,0.2);
  border-radius: 8px;
  background: rgba(17,22,29,0.82);
}

.plan-compare article:nth-child(3) {
  border-color: rgba(244,208,111,0.42);
  background: linear-gradient(135deg, rgba(244,208,111,0.1), rgba(17,22,29,0.86));
}

.plan-compare span {
  display: block;
  margin-bottom: 14px;
  color: #7dd3fc;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
}

.plan-compare h3 {
  margin: 0 0 14px;
  font-size: 22px;
}

.plan-compare ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.plan-compare li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.plan-compare li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #14b8a6;
}

.prompt-box {
  margin-top: 28px;
  max-width: 760px;
  border: 1px solid rgba(168,85,247,0.36);
  border-radius: 8px;
  background: rgba(17,22,29,0.82);
  overflow: hidden;
}

.prompt-box span {
  display: block;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 800;
}

.prompt-box code,
pre code {
  display: block;
  color: #eaf2ff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  line-height: 1.7;
}

.prompt-box code {
  padding: 15px;
}

pre {
  margin: 0;
  padding: 18px;
  overflow-x: auto;
  border: 1px solid rgba(140,200,255,0.24);
  border-radius: 8px;
  background: #06080b;
}

.skill-page {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 22px 0 56px;
}

.skill-nav {
  margin-bottom: clamp(56px, 9vw, 104px);
}

.skill-hero {
  max-width: 900px;
  margin-bottom: 28px;
}

.skill-hero h1 {
  font-size: clamp(56px, 10vw, 128px);
}

.skill-install-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.skill-install-grid .prompt-box {
  max-width: none;
  margin-top: 0;
}

.skill-console {
  width: 100%;
}

.skill-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  padding-bottom: 36px;
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
  }

  .hero-grid,
  .skill-install-grid {
    grid-template-columns: 1fr;
  }

  .skill-callout {
    display: grid;
    align-items: start;
  }

  .hero-grid {
    padding: 68px 0 30px;
  }

  .product-visual {
    min-width: 0;
  }

  .feature-band,
  .plan-compare-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .topnav {
    align-items: center;
  }

  .login-link {
    min-height: 34px;
    padding: 0 10px;
    font-size: 13px;
  }

  .nav-actions {
    gap: 6px;
  }

  .hero {
    padding-bottom: 18px;
  }

  .hero-grid {
    padding: 44px 0 18px;
  }

  .product-visual {
    gap: 8px;
    padding: 12px;
  }

  .quick-panel h2 {
    font-size: 22px;
  }

  .prompt-text {
    min-height: 112px;
    font-size: 13px;
  }

  .visual-card {
    padding: 12px;
  }

  .visual-card span {
    margin-bottom: 8px;
  }

  .visual-card strong {
    font-size: 18px;
  }

  .visual-card p {
    font-size: 13px;
  }

  .visual-link {
    min-height: 36px;
  }

  .skill-callout .primary-link {
    width: 100%;
  }

  .skill-callout .primary-link {
    justify-content: center;
  }
}