:root {
  color-scheme: dark;
  --bg: #0b0f1a;
  --bg-secondary: #111827;
  --surface: rgba(17, 24, 39, 0.72);
  --surface-border: rgba(255, 255, 255, 0.12);
  --text: #ffffff;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --accent: #25d366;
  --accent-hover: #1faa52;
  --accent-text: #0b0f1a;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
  --radius-lg: 28px;
  --radius-pill: 999px;
  --container: 44rem;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100svh;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  position: relative;
  overflow-x: hidden;
}

a {
  color: inherit;
}

.background {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 15% 18%, rgba(37, 211, 102, 0.08), transparent 48%),
    radial-gradient(circle at 86% 78%, rgba(59, 130, 246, 0.07), transparent 54%),
    linear-gradient(180deg, var(--bg) 0%, #0d1220 100%);
  overflow: hidden;
}

.glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(64px);
  opacity: 0.18;
}

.glow-green {
  width: 34rem;
  height: 24rem;
  top: -4rem;
  left: -3rem;
  background: var(--accent);
}

.glow-blue {
  width: 30rem;
  height: 22rem;
  right: -4rem;
  bottom: -5rem;
  background: #3b82f6;
}

.grid-fade {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at 50% 45%, black 30%, transparent 100%);
  opacity: 0.35;
}

.site-header {
  width: min(100%, 72rem);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
  text-decoration: none;
  font-family: "Outfit", "Inter", ui-sans-serif, system-ui, sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand:focus-visible {
  outline: 2px solid rgba(37, 211, 102, 0.85);
  outline-offset: 6px;
  border-radius: 8px;
}

.brand-word {
  color: var(--text);
}

.brand-dot {
  color: var(--accent);
}

.shell {
  min-height: calc(100svh - 4.75rem);
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.hero-card {
  width: min(100%, var(--container));
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
  background-color: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 2rem;
  backdrop-filter: blur(10px);
  animation: reveal 220ms ease-out both;
}

.eyebrow {
  margin: 0 0 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(37, 211, 102, 0.24);
  background: rgba(37, 211, 102, 0.08);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
}

h1 {
  margin: 0;
  font-family: "Outfit", "Inter", ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.lede {
  margin: 1rem 0 0;
  color: var(--text);
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  font-weight: 500;
}

.secondary {
  margin: 0.7rem 0 0;
  color: var(--text-muted);
  font-size: 1rem;
}

.inline-link {
  color: var(--text);
  text-underline-offset: 0.14em;
}

.inline-link:hover {
  color: var(--accent);
}

.inline-link:focus-visible {
  outline: 2px solid rgba(37, 211, 102, 0.85);
  outline-offset: 2px;
  border-radius: 4px;
}

.cta {
  margin-top: 1.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.875rem;
  padding: 0.75rem 1.15rem;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: var(--accent-text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.01em;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.18);
  transition: background-color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}

.cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.22);
}

.cta:focus-visible {
  outline: 2px solid rgba(37, 211, 102, 0.95);
  outline-offset: 4px;
}

.hint {
  margin: 1rem 0 0;
  color: var(--text-subtle);
  font-size: 0.94rem;
}

code {
  display: inline-block;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: #dbeafe;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

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

@media (max-width: 640px) {
  .site-header {
    padding: 1rem 1rem 0;
  }

  .brand {
    font-size: 1.2rem;
  }

  .shell {
    min-height: calc(100svh - 3.75rem);
    padding: 1rem;
  }

  .hero-card {
    border-radius: 22px;
    padding: 1.25rem;
  }

  .eyebrow {
    font-size: 0.82rem;
    padding: 0.3rem 0.6rem;
  }

  .secondary,
  .hint {
    font-size: 0.95rem;
  }

  .cta {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-card {
    animation: none;
  }

  .cta {
    transition: none;
  }

  .cta:hover {
    transform: none;
  }
}