:root {
  --bg: #0b0d12;
  --surface: #101521;
  --surface-2: #0f131d;
  --text: #eef2ff;
  --muted: #b7c0da;
  --border: rgba(255, 255, 255, 0.12);
  --border-strong: rgba(255, 255, 255, 0.2);
  --accent: #d7dde9;
  --accent-2: #ffffff;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --radius-sm: 12px;
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.55;
  background: radial-gradient(900px 600px at 15% 5%, rgba(255, 255, 255, 0.08), transparent 60%),
              radial-gradient(900px 600px at 85% 10%, rgba(255, 255, 255, 0.06), transparent 60%),
              var(--bg);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.65);
  outline-offset: 3px;
  border-radius: 8px;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  transform: translateY(-200%);
  transition: transform 0.15s ease;
  z-index: 9999;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(11, 13, 18, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 650;
  letter-spacing: 0.2px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.nav a {
  text-decoration: none;
  font-size: 14px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
}

.nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.header-cta {
  display: flex;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.2px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.btn:hover {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.08);
}

.btn-primary {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.08));
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-primary:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.10));
}

.btn-secondary {
  background: transparent;
}

.hero {
  padding: 70px 0 22px;
}

.hero-inner {
  max-width: 860px;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(34px, 4.3vw, 54px);
  line-height: 1.07;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--accent);
}

.supporting {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
}

.badges {
  list-style: none;
  padding: 0;
  margin: 18px 0 22px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.badges li {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 10px 0 26px;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.22), transparent);
  margin-top: 14px;
}

.section {
  padding: 58px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.section-header {
  max-width: 860px;
  margin-bottom: 22px;
}

h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 2.6vw, 34px);
  letter-spacing: -0.01em;
}

.section-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 18px;
}

.card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.card h4.subhead {
  margin: 16px 0 10px;
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--accent);
}

.card li + li {
  margin-top: 8px;
}

.list-compact {
  padding-left: 18px;
}

.list-compact li + li {
  margin-top: 6px;
}

.outcome {
  margin: 16px 0 0;
  color: var(--muted);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
  margin-top: 10px;
}

.callout {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.callout-title {
  margin: 0 0 10px;
  font-size: 16px;
}

.code-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  overflow: auto;
  box-shadow: var(--shadow);
}

pre {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 14px;
  line-height: 1.35;
  color: var(--accent);
  white-space: pre;
}

.platforms {
  margin: 0;
  padding-left: 18px;
  color: var(--accent);
}

.stack {
  display: grid;
  gap: 16px;
}

.mini-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.mini-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.mini-card p {
  margin: 0;
  color: var(--muted);
}

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

.link {
  color: var(--text);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 16px;
}

.contact-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.contact-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.contact-form {
  display: grid;
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

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

input,
textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

input::placeholder,
textarea::placeholder {
  color: rgba(183, 192, 218, 0.7);
}

.form-note {
  margin: 4px 0 0;
  font-size: 12px;
  color: rgba(183, 192, 218, 0.9);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 26px 0 34px;
  background: rgba(0, 0, 0, 0.12);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-content: space-between;
}

.footer-brand {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.footer-links p {
  margin: 0 0 6px;
}

@media (min-width: 840px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .two-col {
    grid-template-columns: 1.3fr 0.7fr;
    gap: 18px;
  }

  .contact-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .footer-inner {
    flex-direction: row;
    align-items: flex-start;
  }
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}