:root {
  --bg: #f6f8fa;
  --card: #ffffff;
  --card-elevated: #f6f8fa;
  --border: #d0d7de;
  --text: #1f2328;
  --text-secondary: #57606a;
  --muted: #656d76;
  --primary: #0969da;
  --warn: #bc4c00;
  --danger: #cf222e;
  --max: 720px;
  --wide: 960px;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

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

a:hover {
  text-decoration: underline;
}

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

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

.site-header__inner,
main,
.site-footer__inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 20px;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

.logo__mark {
  flex-shrink: 0;
  width: 36px;
  height: auto;
  display: block;
}

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

.nav {
  display: flex;
  gap: 20px;
  font-size: 0.95rem;
}

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

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

.lang-select-wrap {
  display: flex;
  align-items: center;
}

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  margin: 0;
  padding: 6px 28px 6px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23656d76' d='M2 4l4 4 4-4'/%3E%3C/svg%3E")
    no-repeat right 8px center;
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.875rem;
  line-height: 1.2;
  cursor: pointer;
}

.lang-select:hover,
.lang-select:focus {
  border-color: var(--primary);
  color: var(--text);
  outline: none;
}

.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;
}

.hero {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 56px 20px 32px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(1.75rem, 4.2vw, 2.25rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero h1 .brand {
  font-weight: 700;
}

.hero__lead {
  margin: 0;
  max-width: 42rem;
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.section {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.section h2 {
  margin: 0 0 20px;
  font-size: 1.35rem;
}

.app-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}

.app-card__head {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 20px;
}

.app-icon {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg);
}

.app-card__titles h3 {
  margin: 0 0 4px;
}

.app-card__titles .app-card__subtitle {
  margin: 0;
}

.app-card__intro {
  margin: 0 0 20px;
  color: var(--text-secondary);
}

.app-card__badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: #ddf4ff;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.app-card h3 {
  margin: 0 0 8px;
  font-size: 1.5rem;
}

.app-card__subtitle {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

.feature-grid {
  display: grid;
  gap: 12px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.feature-grid li {
  padding: 12px 14px;
  background: var(--card-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
}

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

.disclaimer {
  padding: 16px 18px;
  border-radius: 10px;
  border: 1px solid #fd8c73;
  background: #fff8f3;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 20px;
  font-size: 0.9rem;
  color: var(--muted);
}

.contact-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 28px;
}

.contact-block p {
  margin: 0 0 8px;
  color: var(--text-secondary);
}

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

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 24px;
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.875rem;
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.prose a {
  color: var(--primary);
}

/* Privacy page */
.prose {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 20px 64px;
}

.prose h1 {
  margin: 0 0 8px;
  font-size: 1.75rem;
}

.prose .updated {
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 0.9rem;
}

.prose h2 {
  margin: 32px 0 12px;
  font-size: 1.15rem;
}

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

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

.prose li {
  margin-bottom: 6px;
}

.cookie-banner {
  position: fixed;
  inset: auto 0 0;
  z-index: 1000;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom, 0px));
  background: var(--card);
  border-top: 1px solid var(--border);
  box-shadow: 0 -2px 12px rgba(31, 35, 40, 0.06);
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-banner__inner {
  max-width: var(--wide);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}

.cookie-banner__text {
  flex: 1 1 0;
  min-width: min(100%, 240px);
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.35;
}

.cookie-banner__actions {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 6px;
}

.cookie-banner__btn {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  background: var(--card);
  color: var(--text);
  white-space: nowrap;
}

.cookie-banner__btn:hover {
  background: var(--card-elevated);
}

.cookie-banner__btn--reject {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
  font-weight: 500;
  padding: 6px 4px;
}

.cookie-banner__btn--reject:hover {
  background: transparent;
  color: var(--text);
  text-decoration: underline;
}

.cookie-banner__btn--accept {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  padding: 6px 12px;
}

.cookie-banner__btn--accept:hover {
  background: #0860ca;
  border-color: #0860ca;
}

body.cookie-banner-visible {
  padding-bottom: calc(88px + env(safe-area-inset-bottom, 0px));
}

@media (max-width: 560px) {
  .site-header__inner {
    flex-wrap: wrap;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .nav {
    flex-wrap: wrap;
    gap: 10px 14px;
    font-size: 0.875rem;
  }

  .lang-select {
    min-width: 7rem;
  }

  .app-card {
    padding: 20px;
  }

  .app-card__head {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .app-icon {
    width: 80px;
    height: 80px;
  }

  .cookie-banner {
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px));
  }

  .cookie-banner__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
  }

  .cookie-banner__text {
    flex: none;
    font-size: 0.6875rem;
    line-height: 1.25;
  }

  .cookie-banner__actions {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 4px;
    align-self: center;
  }

  .cookie-banner__btn {
    font-size: 0.6875rem;
    padding: 6px 8px;
  }

  .cookie-banner__btn--reject {
    padding: 6px 4px;
  }

  .cookie-banner__btn--accept {
    padding: 6px 10px;
  }

  body.cookie-banner-visible {
    padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px));
  }
}