:root {
  --bg: #f6f7f1;
  --panel: #ffffff;
  --ink: #1d1d1f;
  --muted: #575e67;
  --line: #d8dfdd;
  --brand: #0f8b8d;
  --brand-2: #f26b38;
  --accent: #0d5c63;
  --radius: 18px;
  --shadow: 0 14px 40px rgba(24, 39, 48, 0.12);
  --font-sans: "Bahnschrift", "Segoe UI", "Trebuchet MS", sans-serif;
  --font-mono: "Consolas", "Lucida Console", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-sans);
  background: radial-gradient(circle at 10% 0%, #fef6df 0, transparent 38%),
    radial-gradient(circle at 90% 20%, #d9f2f0 0, transparent 32%),
    var(--bg);
  overflow-x: hidden;
}

.bg-shape {
  position: fixed;
  width: 420px;
  height: 420px;
  filter: blur(80px);
  z-index: -1;
  opacity: 0.34;
}

.bg-shape-a {
  background: #fd9c79;
  top: -120px;
  right: -120px;
}

.bg-shape-b {
  background: #6ac8c9;
  bottom: -140px;
  left: -130px;
}

.section {
  width: min(1180px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: relative;
  padding: 5rem 0 2.6rem;
}

.lang-switch {
  position: absolute;
  top: 1.15rem;
  right: 0;
  display: inline-flex;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.24rem;
  box-shadow: var(--shadow);
}

.lang-btn {
  border: 0;
  background: transparent;
  border-radius: 999px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}

.lang-btn.is-active {
  background: color-mix(in oklab, var(--brand) 22%, white);
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--brand) 45%, white);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--accent);
  font-size: 0.78rem;
  margin-bottom: 0.8rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 4.1rem);
  max-width: 16ch;
}

h1 span {
  color: var(--brand);
}

.lead {
  max-width: 72ch;
  color: var(--muted);
  margin-top: 1.2rem;
  line-height: 1.6;
}

.cta-row {
  margin-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  text-decoration: none;
  border-radius: 999px;
  padding: 0.7rem 1.15rem;
  font-weight: 700;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-secondary {
  border: 1px solid var(--line);
  color: var(--ink);
  background: #fff;
}

.stage-head p,
.modules > p,
.cli > p {
  color: var(--muted);
}

.quick-check {
  padding: 0.4rem 0 1.2rem;
}

.quick-check-card {
  padding: 1rem;
}

.quick-head p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.quick-form {
  margin-top: 0.9rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.65rem;
}

.quick-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.72rem 0.82rem;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

.quick-form input:focus {
  outline: 2px solid color-mix(in oklab, var(--brand) 55%, white);
  outline-offset: 1px;
}

.quick-status {
  min-height: 1.2rem;
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.quick-results {
  margin-top: 0.7rem;
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.quick-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.62rem;
  background: #fff;
}

.quick-item h4 {
  margin: 0;
  font-size: 0.84rem;
}

.quick-item p {
  margin: 0.45rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.quick-item.is-ok {
  border-color: #7bd389;
  background: #f5fff8;
}

.quick-item.is-missing {
  border-color: #f4b183;
  background: #fff8f2;
}

.quick-item.is-cors {
  border-color: #87b5ff;
  background: #f4f8ff;
}

.quick-item.is-error {
  border-color: #eb8a90;
  background: #fff4f5;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.stage {
  padding: 1.6rem 0 1rem;
}

.cockpit-grid {
  margin-top: 1.2rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr 1.7fr 1fr;
}

.card {
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--panel) 92%, #f8fffe);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.pillars,
.score-board {
  padding: 1.1rem;
}

.pillars ul {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.pillars li {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 0.38rem;
  font-size: 0.88rem;
}

.pillars strong {
  color: var(--accent);
  font-size: 0.8rem;
}

.agentic-core {
  position: relative;
  overflow: hidden;
}

.draft-ribbon {
  position: absolute;
  top: 18px;
  right: -54px;
  z-index: 2;
  transform: rotate(32deg);
  background: #d7263d;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  padding: 0.38rem 4.8rem;
  box-shadow: 0 8px 18px rgba(215, 38, 61, 0.35);
  pointer-events: none;
}

.window-top {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, #f6fdff, #fff7f1);
  padding: 0.75rem 0.9rem;
}

.window-top p {
  margin: 0 0 0 0.45rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--muted);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #f7b267;
}

.dot:nth-child(2) {
  background: #70d6ff;
}

.dot:nth-child(3) {
  background: #7bd389;
}

.json-view {
  margin: 0;
  min-height: 390px;
  max-height: 460px;
  overflow: auto;
  padding: 1rem;
  font-size: 0.78rem;
  line-height: 1.55;
  color: #122126;
  font-family: var(--font-mono);
  background: #faffff;
}

.score-number {
  margin: 0.4rem 0 1rem;
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--accent);
}

.score-bars {
  display: grid;
  gap: 0.65rem;
}

.bar-row {
  display: grid;
  gap: 0.3rem;
}

.bar-label {
  font-size: 0.78rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
}

.bar-track {
  height: 8px;
  border-radius: 999px;
  background: #eaf0ee;
  overflow: hidden;
}

.bar-fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  border-radius: inherit;
  transition: width 0.8s ease;
}

.score-foot {
  color: var(--muted);
  font-size: 0.84rem;
}

.modules,
.use-cases,
.cli,
.footer {
  padding: 2.4rem 0 0.4rem;
}

.module-grid {
  margin-top: 1rem;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.module {
  padding: 1rem;
}

.module p,
.use-cases li,
.footer p {
  color: var(--muted);
}

.use-cases ul {
  margin: 1rem 0 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.5rem;
}

.terminal {
  margin-top: 0.8rem;
  padding: 1rem;
  background: #101316;
  border-color: #242c2f;
}

.terminal code {
  color: #d8ffe1;
  font-family: var(--font-mono);
  font-size: 0.86rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1030px) {
  .quick-results {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cockpit-grid {
    grid-template-columns: 1fr;
  }

  .json-view {
    min-height: 320px;
  }

  .module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .lang-switch {
    position: static;
    margin-bottom: 1rem;
  }

  .quick-form {
    grid-template-columns: 1fr;
  }

  .quick-results {
    grid-template-columns: 1fr;
  }

  .site-header {
    padding-top: 4rem;
  }

  .module-grid {
    grid-template-columns: 1fr;
  }

  .terminal code {
    font-size: 0.76rem;
  }
}