:root {
  color-scheme: light;
  --ink: #171321;
  --muted: #5f5a6d;
  --line: #ece8f5;
  --pink: #ff4f8b;
  --orange: #ff9f1c;
  --cyan: #00bcd4;
  --green: #28c76f;
  --violet: #7c3aed;
  --paper: #ffffff;
  --soft: #fff7fb;
  --shadow: 0 24px 80px rgba(42, 24, 84, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fffdf8;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  padding: 0 clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 850;
  text-decoration: none;
}

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

.site-nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

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

.hero {
  position: relative;
  min-height: 92svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 120px clamp(22px, 6vw, 88px) 110px;
  background:
    radial-gradient(circle at 18% 28%, rgba(255, 79, 139, 0.22), transparent 26%),
    radial-gradient(circle at 84% 24%, rgba(0, 188, 212, 0.24), transparent 24%),
    linear-gradient(135deg, #fff5f9 0%, #f7fffd 48%, #fff8e8 100%);
}

.hero-scene {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.rail {
  position: absolute;
  height: 4px;
  width: 52vw;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--orange), transparent);
  border-radius: 999px;
  opacity: 0.7;
}

.rail-a {
  top: 36%;
  right: 4%;
  transform: rotate(-14deg);
}

.rail-b {
  bottom: 24%;
  left: 20%;
  transform: rotate(9deg);
}

.node {
  position: absolute;
  display: grid;
  place-items: center;
  width: 122px;
  height: 54px;
  color: #fff;
  font-weight: 850;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.node-plan {
  right: 26%;
  top: 24%;
  background: var(--pink);
}

.node-build {
  right: 12%;
  top: 43%;
  background: var(--violet);
}

.node-check {
  right: 31%;
  bottom: 27%;
  background: var(--green);
}

.node-ship {
  right: 8%;
  bottom: 16%;
  background: var(--orange);
}

.code-ribbon {
  position: absolute;
  right: -8vw;
  bottom: 10%;
  display: flex;
  gap: 12px;
  padding: 14px;
  transform: rotate(-8deg);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.code-ribbon span {
  padding: 8px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  background: #171321;
  color: #fff;
  border-radius: 6px;
}

.hero-copy {
  position: relative;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--pink);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 8px;
  font-size: clamp(76px, 15vw, 188px);
  line-height: 0.82;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.02;
  letter-spacing: 0;
}

.subtitle {
  margin-bottom: 24px;
  font-size: clamp(24px, 4vw, 46px);
  font-weight: 850;
  color: var(--violet);
}

.hero-text,
.section p,
.check-list {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.hero-text {
  max-width: 640px;
}

.hero-actions,
.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(42, 24, 84, 0.09);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--pink), var(--orange));
  border-color: transparent;
}

.section {
  padding: 90px clamp(22px, 6vw, 88px);
}

.section-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.intro-band {
  margin-top: -60px;
  padding-top: 0;
  position: relative;
  z-index: 2;
}

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

.summary-grid article,
.deploy-panel,
.code-card,
.studio-preview {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.summary-grid article {
  padding: 24px;
}

.summary-grid h2 {
  font-size: 22px;
}

.summary-grid p {
  margin: 0;
  font-size: 15px;
}

.two-col,
.studio-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
}

.check-list {
  padding-left: 20px;
}

.code-card {
  overflow: auto;
  padding: 24px;
  color: #f8f7ff;
  background: #171321;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  line-height: 1.7;
}

.studio-band {
  background:
    linear-gradient(90deg, rgba(0, 188, 212, 0.1), rgba(255, 79, 139, 0.1)),
    #ffffff;
}

.studio-preview {
  min-height: 360px;
  overflow: hidden;
}

.preview-top {
  height: 46px;
  background: linear-gradient(90deg, var(--pink), var(--orange), var(--green), var(--cyan));
}

.preview-layout {
  display: grid;
  grid-template-columns: 96px 1fr 128px;
  gap: 14px;
  padding: 18px;
  min-height: 314px;
  background: #fffdf8;
}

.preview-palette,
.preview-canvas,
.preview-chat {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.preview-palette,
.preview-chat {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 12px;
}

.mini-block,
.flow-block,
.preview-chat span {
  display: block;
  border-radius: 8px;
}

.mini-block {
  height: 34px;
}

.pink {
  background: var(--pink);
}

.yellow {
  background: var(--orange);
}

.green {
  background: var(--green);
}

.preview-canvas {
  display: grid;
  place-items: center;
  gap: 10px;
  padding: 24px;
}

.flow-block {
  width: min(260px, 100%);
  padding: 14px 18px;
  color: #fff;
  background: var(--violet);
  font-weight: 850;
}

.preview-chat span {
  height: 20px;
  background: #efeafb;
}

.deploy-panel {
  padding: clamp(28px, 5vw, 54px);
  background:
    radial-gradient(circle at right top, rgba(40, 199, 111, 0.16), transparent 30%),
    #fff;
}

.link-row a {
  color: var(--violet);
  font-weight: 800;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 28px clamp(22px, 6vw, 88px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: #fff;
}

@media (max-width: 860px) {
  .site-nav {
    display: none;
  }

  .hero {
    min-height: 88svh;
    padding-top: 112px;
  }

  .node,
  .code-ribbon {
    opacity: 0.28;
  }

  .summary-grid,
  .two-col,
  .studio-grid,
  .preview-layout {
    grid-template-columns: 1fr;
  }

  .preview-palette,
  .preview-chat {
    grid-template-columns: repeat(3, 1fr);
  }
}