:root {
  --bg: #0f172a;
  --surface: #ffffff;
  --surface-muted: #f5f7fb;
  --surface-accent: #e8f1ff;
  --border: rgba(15, 23, 42, 0.08);
  --border-strong: rgba(15, 23, 42, 0.14);
  --text: #0f172a;
  --muted: #4b5563;
  --accent: #2d7ff9;
  --accent-strong: #1f6be3;
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
  --radius: 14px;
  --max-width: 1160px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, #f8fbff 0%, #eef2ff 100%);
  -webkit-font-smoothing: antialiased;
}

body.dark {
  --surface: #111827;
  --surface-muted: #0b1222;
  --surface-accent: #1f2a44;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #e2e8f0;
  --muted: #9ca3af;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
  background: linear-gradient(135deg, #0b1222 0%, #0f172a 100%);
  color: #e2e8f0;
}

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

p {
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

h1,
h2,
h3 {
  margin: 0 0 12px;
  color: var(--text);
  letter-spacing: -0.02em;
}

ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.5;
}

main {
  padding: 92px 24px 64px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid var(--border);
}

.dark .topbar {
  background: rgba(11, 18, 34, 0.92);
  border-color: var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
}

.mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  letter-spacing: -0.04em;
  box-shadow: 0 8px 24px rgba(45, 127, 249, 0.35);
}

.nav {
  display: flex;
  gap: 18px;
  align-items: center;
  font-weight: 500;
}

.nav a {
  padding: 6px 10px;
  border-radius: 8px;
  transition: background 0.15s ease;
}

.nav a:hover {
  background: var(--surface-accent);
}

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

.primary,
.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  box-shadow: 0 14px 30px rgba(45, 127, 249, 0.35);
}

.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(45, 127, 249, 0.4);
}

.ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}

.ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--surface-muted);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.block {
  width: 100%;
  text-align: center;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface-accent);
  color: var(--accent-strong);
  border: 1px solid rgba(45, 127, 249, 0.2);
  font-weight: 600;
  font-size: 13px;
}

.hero {
  max-width: var(--max-width);
  margin: 0 auto 88px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
}

.hero__content h1 {
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.1;
}

.lede {
  margin: 12px 0 18px;
  font-size: 18px;
}

.hero__actions {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 18px 0 14px;
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 16px;
  color: var(--muted);
}

.hero__meta strong {
  display: block;
  color: var(--text);
}

.hero__panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel__header {
  display: flex;
  gap: 8px;
  padding: 12px 14px;
  background: var(--surface-muted);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #a1a1aa;
}

.dot--green {
  background: #34d399;
}

.dot--yellow {
  background: #fbbf24;
}

.dot--red {
  background: #f87171;
}

.panel__body {
  padding: 20px;
}

.panel__title {
  font-weight: 700;
  margin-bottom: 14px;
}

.panel__sections {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.dark .panel__section {
  background: rgba(31, 42, 68, 0.6);
}

.panel__section {
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  padding: 12px;
  background: var(--surface-muted);
}

.section__label {
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.score {
  margin: 18px 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.score__label {
  font-weight: 600;
  color: var(--muted);
}

.score__bar {
  position: relative;
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: var(--surface-muted);
  overflow: hidden;
}

.score__bar span {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, #22c55e 0%, #2d7ff9 100%);
}

.score__value {
  font-weight: 700;
  color: var(--text);
}

.panel__footer {
  display: grid;
  gap: 8px;
}

.hint {
  color: var(--muted);
  font-size: 13px;
}

.section__heading {
  max-width: 760px;
  margin: 0 auto 32px;
  text-align: center;
}

.cards {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 18px 20px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.05);
}

.dark .card {
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.35);
}

.card__label {
  font-weight: 700;
  color: var(--accent-strong);
  margin-bottom: 6px;
}

.card h3 {
  margin-bottom: 10px;
}

.card--accent {
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 18px 36px rgba(45, 127, 249, 0.35);
}

.card--accent p,
.card--accent li {
  color: rgba(255, 255, 255, 0.9);
}

.slc,
.workflows,
.sandbox,
.features {
  padding: 48px 0;
}

.sandbox__grid,
.feature__grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(240px, 1fr));
  gap: 14px;
}

.sandbox__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: grid;
  gap: 8px;
}

.badge {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: var(--surface-accent);
  color: var(--accent-strong);
  display: grid;
  place-items: center;
  font-weight: 700;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  min-height: 180px;
  display: grid;
  gap: 10px;
}

.pricing {
  padding: 64px 0;
  background: linear-gradient(135deg, #0f172a 0%, #0b1222 100%);
  color: #e2e8f0;
}

.pricing__content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  gap: 24px;
  padding: 0 8px;
}

.pricing .section__heading h2,
.pricing .section__heading p {
  color: #e2e8f0;
}

.pricing__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.cta {
  padding: 72px 0 32px;
}

.cta__content {
  max-width: 840px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow);
}

.footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 0 40px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.footer__links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted);
}

.footer__links a:hover {
  color: var(--accent-strong);
}

.footer__note {
  color: var(--muted);
}

.dark .footer__note {
  color: #94a3b8;
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .topbar {
    position: sticky;
  }

  .nav {
    display: none;
  }
}

@media (max-width: 640px) {
  main {
    padding: 80px 16px 56px;
  }

  .topbar {
    padding: 14px 16px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-actions {
    gap: 6px;
  }
}