/* Hefity — hefity.com
   Minimal static site. Brand accent from the app: #1DBC60 */

:root {
  --bg: #0b0d0c;
  --bg-elev: #14171a;
  --surface: #181c1f;
  --border: #23292e;
  --text: #eef2f0;
  --text-muted: #9aa4a0;
  --accent: #1dbc60;
  --accent-hover: #23d46f;
  --radius: 14px;
  --maxw: 720px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 13, 12, 0.8);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
}

.brand:hover {
  text-decoration: none;
  color: var(--text);
}

.brand img {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  display: block;
}

.nav {
  display: flex;
  gap: 22px;
  font-size: 15px;
}

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

.nav a:hover {
  color: var(--text);
  text-decoration: none;
}

/* Hero */
.hero {
  text-align: center;
  padding: 96px 0 72px;
}

.hero img.app-icon {
  width: 92px;
  height: 92px;
  border-radius: 21px;
  box-shadow: 0 12px 40px rgba(29, 188, 96, 0.25);
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(34px, 6vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  font-weight: 800;
}

.hero p.lead {
  font-size: clamp(17px, 2.5vw, 20px);
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 32px;
}

.cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 16px;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #05130a;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #05130a;
  text-decoration: none;
}

.btn-primary[aria-disabled="true"] {
  background: var(--surface);
  color: var(--text-muted);
  border-color: var(--border);
  cursor: default;
  pointer-events: none;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--text-muted);
  text-decoration: none;
  color: var(--text);
}

/* Feature grid */
.features {
  padding: 24px 0 88px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.feature h3 {
  margin: 0 0 6px;
  font-size: 17px;
}

.feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.55;
}

/* Legal / prose pages */
.prose {
  padding: 56px 0 80px;
}

.prose h1 {
  font-size: 34px;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}

.prose .updated {
  color: var(--text-muted);
  font-size: 14px;
  margin: 0 0 40px;
}

.prose h2 {
  font-size: 21px;
  margin: 40px 0 12px;
  letter-spacing: -0.01em;
}

.prose h3 {
  font-size: 17px;
  margin: 28px 0 8px;
}

.prose p,
.prose li {
  color: #cfd6d2;
  font-size: 16px;
}

.prose ul {
  padding-left: 22px;
}

.prose li {
  margin: 6px 0;
}

.prose a {
  text-decoration: underline;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 0 0 40px;
}

.toc strong {
  display: block;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.toc ol {
  margin: 0;
  padding-left: 20px;
  columns: 2;
  font-size: 15px;
}

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

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

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 14px;
}

.site-footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.site-footer .foot-links {
  display: flex;
  gap: 20px;
}

.site-footer a {
  color: var(--text-muted);
}

.site-footer a:hover {
  color: var(--text);
  text-decoration: none;
}

@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .nav {
    gap: 16px;
  }
  .hero {
    padding: 64px 0 48px;
  }
  .toc ol {
    columns: 1;
  }
}