:root {
  color-scheme: dark;
  --color-bg: #0f172a;
  --color-bg-deep: #08111f;
  --color-surface: #111c33;
  --color-surface-muted: #1a2540;
  --color-surface-hover: #20304f;
  --color-border: #1e293b;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-accent: #22d3ee;
  --color-accent-soft: rgba(34, 211, 238, 0.12);
  --color-accent-border: rgba(34, 211, 238, 0.32);
  --color-success: #22c55e;
  --color-warning: #facc15;
  --color-danger: #fb7185;
  --shadow-surface: 0 24px 80px rgba(2, 6, 23, 0.5);
  --shadow-glow: 0 0 44px rgba(34, 211, 238, 0.28);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--color-bg);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--color-text);
  background:
    radial-gradient(circle at 18% 10%, rgba(34, 211, 238, 0.18), transparent 24rem),
    radial-gradient(circle at 78% 4%, rgba(129, 140, 248, 0.14), transparent 26rem),
    linear-gradient(145deg, var(--color-bg-deep), var(--color-bg) 44%, #0b1022);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.035) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(circle at 50% 14%, black, transparent 72%);
}

a {
  color: inherit;
}

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--color-border);
  background: rgba(17, 28, 51, 0.84);
  backdrop-filter: blur(18px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 56px;
  padding: 8px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 800;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--color-accent-border);
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(34, 211, 238, 0.12), rgba(34, 211, 238, 0.04)),
    var(--color-surface-muted);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), var(--shadow-glow);
}

.brand-mark::after {
  position: absolute;
  inset: -7px;
  z-index: -1;
  border-radius: 18px;
  content: "";
  background: radial-gradient(circle, rgba(34, 211, 238, 0.28), transparent 66%);
  animation: logo-glow 3.2s ease-in-out infinite;
}

.brand-mark img {
  width: 25px;
  height: 25px;
  animation: logo-float 4.2s ease-in-out infinite;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--color-text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  border: 1px solid rgba(34, 211, 238, 0.5);
  border-radius: 10px;
  padding: 0 16px;
  color: #07111f;
  background: linear-gradient(180deg, #67e8f9, var(--color-accent));
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 16px 42px rgba(34, 211, 238, 0.18);
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.secondary {
  color: var(--color-text);
  border-color: rgba(148, 163, 184, 0.24);
  background: rgba(26, 37, 64, 0.9);
  box-shadow: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 42px;
  align-items: center;
  padding: 76px 0 54px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--color-accent-border);
  border-radius: 999px;
  padding: 7px 11px;
  color: #bae6fd;
  background: var(--color-accent-soft);
  font-family: "JetBrains Mono", "Cascadia Mono", monospace;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  max-width: 12ch;
  margin: 20px 0 18px;
  color: var(--color-text);
  font-size: clamp(3.2rem, 8vw, 7.4rem);
  line-height: 0.88;
  letter-spacing: -0.09em;
}

.lede {
  max-width: 64ch;
  color: var(--color-text-muted);
  font-size: clamp(1.02rem, 1.8vw, 1.22rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.app-window,
.console-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(17, 28, 51, 0.96), rgba(15, 23, 42, 0.92));
  box-shadow: var(--shadow-surface);
}

.app-window::before,
.console-card::before {
  position: absolute;
  inset: -1px;
  content: "";
  background: radial-gradient(circle at 72% 0%, rgba(34, 211, 238, 0.16), transparent 20rem);
  pointer-events: none;
}

.console-top,
.app-titlebar {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--color-border);
  padding: 13px 16px;
  color: var(--color-text-muted);
  background: rgba(26, 37, 64, 0.72);
  font-family: "JetBrains Mono", "Cascadia Mono", monospace;
  font-size: 0.76rem;
}

.app-chrome {
  position: relative;
  display: grid;
  grid-template-columns: 50px 190px 1fr;
  min-height: 430px;
}

.app-rail,
.app-sidebar,
.app-stage {
  border-right: 1px solid var(--color-border);
}

.app-rail {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 14px 9px;
  background: #1a2540;
}

.rail-dot {
  width: 31px;
  height: 31px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.64);
}

.rail-dot.active {
  border-color: var(--color-accent-border);
  background: var(--color-accent-soft);
  box-shadow: 0 0 26px rgba(34, 211, 238, 0.16);
}

.app-sidebar {
  padding: 14px;
  background: rgba(17, 28, 51, 0.88);
}

.sidebar-label {
  margin: 0 0 10px;
  color: var(--color-text-muted);
  font-family: "JetBrains Mono", "Cascadia Mono", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
}

.ref-row,
.signal {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: start;
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 14px;
  padding: 11px;
  background: rgba(15, 23, 42, 0.54);
}

.ref-row + .ref-row,
.signal + .signal {
  margin-top: 10px;
}

.ref-icon,
.dot {
  width: 10px;
  height: 10px;
  margin-top: 4px;
  border-radius: 999px;
  background: var(--color-accent);
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.66);
}

.ref-icon.warning {
  background: var(--color-warning);
  box-shadow: 0 0 18px rgba(250, 204, 21, 0.42);
}

.ref-row strong,
.signal strong {
  display: block;
  margin-bottom: 4px;
  color: var(--color-text);
}

.ref-row span,
.signal span,
.signal p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.app-stage {
  border-right: 0;
  padding: 16px;
  background: #0f172a;
}

.graph-card {
  min-height: 100%;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 16px;
  background:
    linear-gradient(90deg, transparent 0 38px, rgba(34, 211, 238, 0.08) 39px 40px, transparent 41px),
    rgba(17, 28, 51, 0.72);
}

.commit-row {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
  padding: 12px 14px;
}

.commit-node {
  width: 13px;
  height: 13px;
  margin-left: 18px;
  border: 2px solid var(--color-accent);
  border-radius: 999px;
  background: #0f172a;
  box-shadow: 0 0 22px rgba(34, 211, 238, 0.36);
}

.commit-row strong {
  display: block;
  margin-bottom: 3px;
}

.commit-row span {
  color: var(--color-text-muted);
  font-family: "JetBrains Mono", "Cascadia Mono", monospace;
  font-size: 0.74rem;
}

.tag {
  border: 1px solid rgba(34, 211, 238, 0.22);
  border-radius: 999px;
  padding: 5px 8px;
  color: #bae6fd;
  background: rgba(34, 211, 238, 0.1);
  font-family: "JetBrains Mono", "Cascadia Mono", monospace;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
}

.console-body {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 16px;
}

.section {
  padding: 58px 0;
}

.section h2 {
  max-width: 18ch;
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.07em;
}

.section-intro {
  max-width: 72ch;
  margin: 0 0 26px;
  color: var(--color-text-muted);
  font-size: 1.03rem;
  line-height: 1.75;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  min-height: 210px;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 20px;
  background: rgba(17, 28, 51, 0.82);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.14rem;
  letter-spacing: -0.03em;
}

.card h3 a {
  color: var(--color-text);
  text-decoration: none;
}

.card h3 a:hover {
  color: var(--color-accent);
}

.card p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 20px;
  align-items: stretch;
}

.price-card {
  border: 1px solid var(--color-accent-border);
  border-radius: 22px;
  padding: 26px;
  background:
    radial-gradient(circle at 80% 0%, rgba(34, 211, 238, 0.18), transparent 18rem),
    linear-gradient(180deg, rgba(26, 37, 64, 0.92), rgba(17, 28, 51, 0.9));
  box-shadow: var(--shadow-surface);
}

.price {
  margin: 10px 0;
  color: var(--color-accent);
  font-size: clamp(3rem, 7vw, 5.8rem);
  font-weight: 900;
  letter-spacing: -0.08em;
  text-shadow: 0 0 34px rgba(34, 211, 238, 0.28);
}

.list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.list li {
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--color-text-muted);
  background: rgba(15, 23, 42, 0.42);
}

.footer {
  border-top: 1px solid var(--color-border);
  padding: 30px 0;
  color: var(--color-text-muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

@keyframes logo-float {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-2px) scale(1.04);
  }
}

@keyframes logo-glow {
  0%, 100% {
    opacity: 0.6;
    transform: scale(0.96);
  }
  50% {
    opacity: 1;
    transform: scale(1.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 920px) {
  .hero,
  .split,
  .grid {
    grid-template-columns: 1fr;
  }

  .app-chrome {
    grid-template-columns: 44px 1fr;
  }

  .app-stage {
    grid-column: 1 / -1;
  }
}

@media (max-width: 700px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 48px;
  }

  .footer-inner {
    flex-direction: column;
  }
}