/* Always Listen — website styles */

:root {
  --bg: #f7faf9;
  --bg-elevated: #ffffff;
  --text: #0f172a;
  --text-2: #475569;
  --text-3: #64748b;
  --border: #e2e8f0;
  --accent: #059669;
  --accent-strong: #047857;
  --accent-soft: #e7f8f1;
  --accent-text: #047857;
  --on-accent: #ffffff;
  --radius: 16px;
  --max: 960px;
  --font:
    ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
    'Noto Sans', sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #0a1310;
    --bg-elevated: #10241c;
    --text: #e8f0ed;
    --text-2: #a9b8b2;
    --text-3: #83958e;
    --border: #1f3329;
    --accent: #34d399;
    --accent-strong: #6ee7b7;
    --accent-soft: rgb(52 211 153 / 0.12);
    --accent-text: #6ee7b7;
    --on-accent: #052e21;
    color-scheme: dark;
  }
}

:root[data-theme='dark'] {
  --bg: #0a1310;
  --bg-elevated: #10241c;
  --text: #e8f0ed;
  --text-2: #a9b8b2;
  --text-3: #83958e;
  --border: #1f3329;
  --accent: #34d399;
  --accent-strong: #6ee7b7;
  --accent-soft: rgb(52 211 153 / 0.12);
  --accent-text: #6ee7b7;
  --on-accent: #052e21;
  color-scheme: dark;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
}

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

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 16px;
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 10;
  padding: 8px 12px;
  background: var(--bg-elevated);
  border-radius: 8px;
}

/* Header */

.site-header {
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

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

.nav-links {
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  color: var(--text-2);
  text-decoration: none;
  font-size: 15px;
}

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

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s;
}

.btn:hover {
  background: var(--accent-strong);
}

.btn img {
  width: 20px;
  height: 20px;
}

/* Hero */

.hero {
  padding: 72px 0 56px;
  text-align: center;
}

.hero-icon {
  width: 88px;
  height: 88px;
  border-radius: 22px;
  box-shadow: 0 12px 32px rgb(5 150 105 / 0.25);
}

.hero h1 {
  margin: 24px 0 12px;
  font-size: clamp(34px, 6vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero h1 span {
  color: var(--accent-text);
}

.hero p {
  max-width: 560px;
  margin: 0 auto 28px;
  color: var(--text-2);
  font-size: 18px;
}

.hero small {
  display: block;
  margin-top: 14px;
  color: var(--text-3);
  font-size: 14px;
}

/* Features */

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-bottom: 32px;
}

.card {
  padding: 22px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.card h2 {
  margin: 12px 0 6px;
  font-size: 17px;
}

.card p {
  margin: 0;
  color: var(--text-2);
  font-size: 15px;
}

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent-text);
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

.note {
  margin: 0 0 72px;
  padding: 20px 22px;
  background: var(--accent-soft);
  border-radius: var(--radius);
  color: var(--text-2);
  font-size: 15px;
}

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

/* Document pages */

.doc {
  max-width: 720px;
  padding: 56px 16px 72px;
}

.doc h1 {
  margin: 0 0 8px;
  font-size: clamp(30px, 5vw, 40px);
  line-height: 1.15;
}

.doc-meta {
  margin: 0 0 32px;
  color: var(--text-3);
  font-size: 14px;
}

.doc h2 {
  margin: 36px 0 10px;
  font-size: 21px;
}

.doc p,
.doc li {
  color: var(--text-2);
}

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

.doc li {
  margin: 6px 0;
}

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

.doc code {
  padding: 1px 6px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent-text);
  font-size: 0.9em;
}

.summary {
  padding: 20px 22px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.summary ul {
  margin: 0;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  color: var(--text-3);
  font-size: 14px;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.footer-row ul {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-row a {
  color: var(--text-2);
  text-decoration: none;
}

.footer-row a:hover {
  color: var(--text);
}

@media (max-width: 720px) {
  .features {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 48px 0 40px;
  }
}