:root {
  --bg: #0a1015;
  --panel: #111a22;
  --panel-strong: #0e151d;
  --text: #e8f2ff;
  --muted: #93a7bd;
  --line: #2a3c4f;
  --accent: #48d8a6;
  --accent-2: #ffaf5f;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -20%, rgba(72, 216, 166, 0.18), transparent 55%),
              radial-gradient(900px 500px at 90% 0%, rgba(255, 175, 95, 0.16), transparent 50%),
              var(--bg);
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.glow {
  position: fixed;
  width: 340px;
  height: 340px;
  border-radius: 999px;
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.28;
}

.glow-a {
  background: #2fd7a3;
  top: 15vh;
  left: -120px;
  animation: driftA 14s ease-in-out infinite;
}

.glow-b {
  background: #ffaa57;
  top: 55vh;
  right: -120px;
  animation: driftB 16s ease-in-out infinite;
}

.topbar,
main,
footer {
  position: relative;
  z-index: 1;
}

.topbar {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 24px 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.2px;
}

nav {
  display: flex;
  gap: 18px;
}

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

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

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 24px 80px;
}

.hero {
  padding: 46px 0 26px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.76rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(2.05rem, 5vw, 4.1rem);
  line-height: 1.05;
}

.subtitle {
  margin-top: 18px;
  max-width: 680px;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.5;
}

.cta-row {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 12px 16px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #07140f;
  background: linear-gradient(135deg, var(--accent), #74f8c9);
  box-shadow: 0 10px 30px rgba(72, 216, 166, 0.28);
}

.btn-secondary {
  color: var(--text);
  background: rgba(17, 26, 34, 0.78);
  border: 1px solid var(--line);
}

.meta {
  margin-top: 14px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.86rem;
}

.preview-card {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(17, 26, 34, 0.88), rgba(14, 21, 29, 0.9));
  box-shadow: var(--shadow);
}

.preview-card img {
  display: block;
  width: 100%;
  height: auto;
}

.preview-card figcaption {
  margin: 0;
  padding: 12px 14px;
  color: var(--muted);
  font-size: 0.88rem;
}

.grid {
  margin-top: 22px;
  display: grid;
  gap: 16px;
}

.three-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.panel,
.install {
  background: linear-gradient(160deg, rgba(17, 26, 34, 0.88), rgba(14, 21, 29, 0.9));
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.card {
  padding: 22px;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 1.22rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.split {
  margin-top: 18px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel {
  padding: 24px;
}

.panel h3,
.install h3 {
  margin: 0 0 10px;
  font-size: 1.5rem;
}

.panel ul,
.panel ol,
.install ol {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.install {
  margin-top: 16px;
  padding: 24px;
}

code {
  font-family: "IBM Plex Mono", monospace;
  color: #f7e6cd;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 6px;
}

footer {
  border-top: 1px solid rgba(42, 60, 79, 0.45);
  margin-top: 40px;
  padding: 22px 24px 36px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.rise {
  opacity: 0;
  transform: translateY(16px);
  animation: rise 600ms ease forwards;
}

.delay-1 {
  animation-delay: 120ms;
}

.delay-2 {
  animation-delay: 220ms;
}

@keyframes driftA {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(40px); }
}

@keyframes driftB {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-30px); }
}

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

@media (max-width: 920px) {
  .three-up {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 680px) {
  .topbar {
    align-items: flex-start;
    gap: 12px;
    flex-direction: column;
  }

  nav {
    gap: 14px;
  }

  main {
    padding: 8px 16px 56px;
  }

  .hero {
    padding-top: 28px;
  }
}