/* Keyvio marketing site — static, no build step */
:root {
  --bg: #0c1117;
  --bg-elevated: #121a24;
  --surface: #1a2433;
  --text: #e8eef6;
  --muted: #8b9cb0;
  --accent: #3dd6c3;
  --accent-dim: #2a9d8f;
  --border: rgba(232, 238, 246, 0.08);
  --radius: 12px;
  --font: "DM Sans", system-ui, -apple-system, sans-serif;
  --max: 720px;
  --wide: 960px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(61, 214, 195, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(42, 157, 143, 0.06), transparent);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: #5fe8d4;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

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

.wrap {
  width: min(100% - 2rem, var(--wide));
  margin-inline: auto;
}

main.wrap {
  width: min(100% - 2rem, var(--max));
  padding-block: 2.5rem 4rem;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(12, 17, 23, 0.75);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

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

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--accent), var(--accent-dim));
  display: grid;
  place-items: center;
  color: var(--bg);
  font-size: 1.1rem;
  font-weight: 800;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

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

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

nav a[aria-current="page"] {
  color: var(--accent);
  font-weight: 600;
}

.hero {
  padding-top: 0.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 1rem;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  margin: 0 0 2rem;
  max-width: 42ch;
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
}

.card p:last-child {
  margin-bottom: 0;
}

.prose h1 {
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-top: 0;
}

.prose h2 {
  font-size: 1.2rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.prose p,
.prose li {
  color: var(--muted);
}

.prose strong {
  color: var(--text);
}

.prose ul {
  padding-left: 1.25rem;
}

.meta {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0 3rem;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
}

body {
  display: flex;
  flex-direction: column;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.badge-soon {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
}

address {
  font-style: normal;
  color: var(--muted);
}

.muted-block {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.95rem;
  color: var(--muted);
}

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