:root {
  --paper: #F6F8F2;
  --ink: #22301F;
  --ink-soft: #55614F;
  --hairline: #DDE3D6;
  --accent: #22301F;
  --focus-ring: #4E7A8A;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade { animation: none !important; opacity: 1 !important; }
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Karla', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 620px;
  margin: 0 auto;
  padding: 0 24px;
}

.fade {
  opacity: 0;
  animation: fadein 0.9s ease 0.1s forwards;
}
@keyframes fadein { to { opacity: 1; } }

/* Header */
header { padding: 88px 0 64px; }

.mark {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 40px;
}
.mark svg, .mark img { display: block; }
.mark span {
  font-family: 'Newsreader', serif;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* App icon used on app subpages in place of the Quiet Leaf logo */
.icon-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  flex-shrink: 0;
  display: block;
  object-fit: cover;
}

h1 {
  font-family: 'Newsreader', serif;
  font-weight: 400;
  font-size: clamp(30px, 5.5vw, 42px);
  line-height: 1.25;
  max-width: 16em;
}
h1 em {
  font-style: italic;
  color: var(--ink-soft);
}

.sub {
  margin-top: 20px;
  color: var(--ink-soft);
  max-width: 34em;
}

/* Sections */
section { padding: 48px 0; border-top: 1px solid var(--hairline); }

h2 {
  font-family: 'Karla', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 32px;
}

/* Status badge (e.g. "Coming soon", "In progress") */
.tag {
  font-family: 'Karla', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-left: 10px;
  vertical-align: 2px;
}

/* App list (homepage) */
.app {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  padding: 20px 0;
  align-items: start;
}
.app + .app { border-top: 1px solid var(--hairline); }

.app-icon {
  border-radius: 12px;
  display: block;
  object-fit: cover;
}

.app h3 {
  font-family: 'Newsreader', serif;
  font-size: 23px;
  font-weight: 500;
  line-height: 1.3;
}
.app p {
  margin-top: 6px;
  color: var(--ink-soft);
  max-width: 32em;
}
.applink {
  display: inline-block;
  margin-top: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 1px;
}
.applink:hover { color: var(--ink-soft); border-color: var(--ink-soft); }
.applink:focus-visible,
a:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Principles */
.principles p { max-width: 36em; }
.principles p + p { margin-top: 16px; }

/* Feature list (app subpages) */
.features { margin-top: 8px; }
.features li {
  list-style: none;
  padding: 14px 0;
  color: var(--ink-soft);
}
.features li + li { border-top: 1px solid var(--hairline); }

/* Pattern grid (Tide's breathing patterns) */
.patterns {
  display: grid;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  overflow: hidden;
  margin-top: 8px;
}
.pattern { background: var(--paper); padding: 18px 20px; }
.pattern-name {
  font-family: 'Karla', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 4px;
}
.pattern-rhythm { font-size: 14px; color: var(--accent); margin-bottom: 4px; }
.pattern-desc { font-size: 14px; color: var(--ink-soft); }

/* Support */
.support a { color: var(--ink); }
.support p + p { margin-top: 12px; }

/* Footer */
footer {
  border-top: 1px solid var(--hairline);
  padding: 40px 0 72px;
  font-size: 14px;
  color: var(--ink-soft);
}
footer p + p { margin-top: 6px; }