/* Shift — one stylesheet for every page. No web fonts, no scripts. */

:root {
  --blue: #007aff;
  --bg: #ffffff;
  --surface: #f5f5f7;
  --text: #1d1d1f;
  --secondary: #6e6e73;
  --hairline: rgba(0, 0, 0, 0.08);
  --shadow: 0 12px 32px rgba(0, 122, 255, 0.18), 0 2px 6px rgba(0, 0, 0, 0.06);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --blue: #0a84ff;
    --bg: #000000;
    --surface: #1c1c1e;
    --text: #f5f5f7;
    --secondary: #a1a1a6;
    --hairline: rgba(255, 255, 255, 0.12);
    --shadow: 0 12px 32px rgba(10, 132, 255, 0.22), 0 2px 6px rgba(0, 0, 0, 0.4);
  }
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 600;
  font-size: 17px;
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.lang {
  font-size: 14px;
  color: var(--secondary);
}

.lang a,
.lang span {
  padding: 2px 4px;
}

.lang span {
  color: var(--text);
  font-weight: 600;
}

/* Hero */

.hero {
  text-align: center;
  padding: 56px 0 40px;
}

.app-icon {
  width: 112px;
  height: 112px;
  border-radius: 25px;
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 28px 0 6px;
  font-size: 44px;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0;
  font-size: 21px;
  color: var(--secondary);
}

.actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  background: var(--surface);
  color: var(--blue);
}

.button.primary {
  background: var(--blue);
  color: #ffffff;
}

.button:hover {
  text-decoration: none;
  filter: brightness(0.96);
}

/* Features */

.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding: 24px 0 56px;
}

.feature {
  background: var(--surface);
  border-radius: 18px;
  padding: 20px;
}

.feature h2 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.feature h2::before {
  content: "";
  display: block;
  width: 22px;
  height: 4px;
  border-radius: 2px;
  background: var(--blue);
  margin-bottom: 14px;
}

.feature p {
  margin: 0;
  font-size: 15px;
  color: var(--secondary);
}

@media (max-width: 560px) {
  .features {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 36px;
  }
}

/* Document pages: privacy and support */

.doc {
  padding: 32px 0 56px;
}

.doc h1 {
  margin: 0 0 4px;
  font-size: 34px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.doc .meta {
  margin: 0 0 32px;
  color: var(--secondary);
  font-size: 15px;
}

.doc .lead {
  font-size: 19px;
  margin: 0 0 8px;
}

.doc h2 {
  margin: 36px 0 8px;
  padding-top: 28px;
  border-top: 1px solid var(--hairline);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.doc h3 {
  margin: 24px 0 4px;
  font-size: 17px;
  font-weight: 600;
}

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

.doc ul {
  padding-left: 20px;
}

.doc li {
  margin: 4px 0;
}

.callout {
  background: var(--surface);
  border-radius: 18px;
  padding: 20px 22px;
  margin: 24px 0 8px;
}

.callout p {
  margin: 0;
}

.callout .button {
  margin-top: 14px;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 24px 0 40px;
  font-size: 13px;
  color: var(--secondary);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.site-footer nav {
  display: flex;
  gap: 16px;
}