:root {
  --ruby: #9B1B30;
  --coral: #E85D4C;
  --charcoal: #1A1A1A;
  --paper: #F7F3F0;
  --ink: #1A1A1A;
  --muted: #5C5552;
  --line: rgba(26, 26, 26, 0.12);
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(155, 27, 48, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 0%, rgba(232, 93, 76, 0.16), transparent 50%),
    linear-gradient(180deg, #faf6f3 0%, var(--paper) 40%, #efe8e3 100%);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 960px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--charcoal);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand img {
  border-radius: 8px;
}

nav {
  display: flex;
  gap: 1.25rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

nav a:hover {
  color: var(--ruby);
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.hero {
  text-align: center;
  padding: 2.5rem 0 3.5rem;
  animation: rise 0.7s ease-out both;
}

.hero-logo {
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(155, 27, 48, 0.2);
  animation: float 4.5s ease-in-out infinite;
}

.hero h1 {
  margin: 1.25rem 0 0.5rem;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.03em;
  color: var(--charcoal);
}

.lede {
  max-width: 36rem;
  margin: 0 auto 1.75rem;
  color: var(--muted);
  font-size: 1.125rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}

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

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

.btn.primary:hover {
  background: #7f1628;
}

.btn.ghost {
  border: 1px solid var(--line);
  color: var(--charcoal);
  background: rgba(255, 255, 255, 0.55);
}

.btn.ghost:hover {
  border-color: var(--coral);
  color: var(--ruby);
}

.install,
.code {
  text-align: left;
  background: var(--charcoal);
  color: #f5ebe8;
  border-radius: 12px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.5;
  border: 1px solid rgba(232, 93, 76, 0.35);
  box-shadow: 0 16px 40px rgba(26, 26, 26, 0.12);
}

.install {
  display: inline-block;
  margin: 0 auto;
  animation: rise 0.8s 0.12s ease-out both;
}

.code {
  margin: 0;
}

.features,
.quickstart,
.links {
  margin-top: 3rem;
  padding-top: 0.5rem;
  animation: rise 0.75s 0.2s ease-out both;
}

h2 {
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  color: var(--charcoal);
  border-bottom: 2px solid var(--coral);
  display: inline-block;
  padding-bottom: 0.25rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.feature-grid article {
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}

.feature-grid h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  color: var(--ruby);
}

.feature-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  color: var(--ruby);
}

.links ul {
  padding-left: 1.1rem;
  color: var(--muted);
}

.links a {
  color: var(--ruby);
  text-decoration: none;
  font-weight: 500;
}

.links a:hover {
  color: var(--coral);
  text-decoration: underline;
}

footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.swatch {
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 2px;
  vertical-align: middle;
  margin-left: 0.2rem;
}

.swatch.ruby { background: var(--ruby); }
.swatch.coral { background: var(--coral); }
.swatch.charcoal { background: var(--charcoal); }

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@media (max-width: 640px) {
  nav {
    gap: 0.75rem;
    font-size: 0.85rem;
  }

  .hero {
    padding-top: 1.5rem;
  }
}