/* BleachBit Russian Microsite Styles */

:root {
  --blue: #3b8beb;
  --blue-dark: #1a5fb4;
  --green: #27ae60;
  --green-dark: #1e8449;
  --orange: #e67e22;
  --orange-dark: #b8651b;
  --gray-100: #f5f5f5;
  --gray-200: #e0e0e0;
  --gray-500: #666;
  --gray-800: #2d2d2d;
  --white: #ffffff;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --radius: 6px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--gray-100);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 8px;
  background: var(--blue);
  color: var(--white);
  padding: 8px 16px;
  border-radius: 0 0 var(--radius) var(--radius);
  z-index: 100;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}

/* Header */
.site-header {
  background: var(--white);
  border-bottom: 3px solid var(--blue);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--gray-800);
  font-weight: 700;
  font-size: 1.25rem;
}

.site-branding img {
  height: 32px;
  width: auto;
}

/* Navigation */
.site-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.site-nav a {
  display: block;
  padding: 8px 14px;
  text-decoration: none;
  color: var(--gray-800);
  border-radius: var(--radius);
  font-size: 0.95rem;
  transition: background 0.2s, color 0.2s;
}

.site-nav a:hover,
.site-nav a:focus {
  background: var(--blue);
  color: var(--white);
}

.site-nav a.active {
  background: var(--blue);
  color: var(--white);
  font-weight: 600;
}

/* Main content */
main {
  flex: 1;
  max-width: 1100px;
  width: 100%;
  margin: 30px auto;
  padding: 0 20px;
}

/* Content card */
.content-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}

/* Typography */
h1 { font-size: 2rem; margin-bottom: 16px; color: var(--gray-800); }
h2 { font-size: 1.5rem; margin: 28px 0 12px; color: var(--gray-800); }
h3 { font-size: 1.2rem; margin: 20px 0 8px; color: var(--gray-800); }
h4 { font-size: 1.05rem; margin: 16px 0 6px; }

p { margin-bottom: 12px; }

ul, ol { margin: 8px 0 16px 24px; }
li { margin-bottom: 6px; }

a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover, a:focus {
  color: var(--blue-dark);
}

blockquote {
  border-left: 4px solid var(--blue);
  padding: 8px 16px;
  margin: 16px 0;
  background: var(--gray-100);
  border-radius: 0 var(--radius) var(--radius) 0;
}

code {
  background: var(--gray-100);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", monospace;
  font-size: 0.9em;
}

pre {
  background: var(--gray-800);
  color: var(--gray-100);
  padding: 16px;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 12px 0;
}
pre code {
  background: none;
  padding: 0;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}
th, td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--gray-200);
}
th {
  background: var(--gray-100);
  font-weight: 600;
}

/* Hero section (homepage) */
.hero {
  text-align: center;
  padding: 10px 0 20px;
}
.hero-logo-container {
  margin-bottom: 16px;
}
.hero-logo {
  height: 80px;
  width: auto;
}
.hero h1 {
  font-size: 2.2rem;
  line-height: 1.3;
  max-width: 800px;
  margin: 0 auto 12px;
}
.hero p {
  font-size: 1.1rem;
  color: var(--gray-500);
  max-width: 700px;
  margin: 0 auto;
}

/* Buttons */
.button {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
  cursor: pointer;
  border: none;
}
.button:hover {
  transform: translateY(-1px);
  text-decoration: none;
}
.button.lightblue {
  background: var(--blue);
  color: var(--white);
}
.button.lightblue:hover {
  background: var(--blue-dark);
}

.primary-cta {
  text-align: center;
  margin: 24px 0;
}

/* Feature cards (homepage) */
.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.feature-card-inner {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  border-top: 4px solid var(--gray-200);
  box-shadow: var(--shadow);
  height: 100%;
}
.feature-card-inner.blue { border-top-color: var(--blue); }
.feature-card-inner.green { border-top-color: var(--green); }
.feature-card-inner.orange { border-top-color: var(--orange); }

.feature-card-inner h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

/* How it works / use cases */
.how-it-works, .use-cases, .platform-support, .trust-section {
  margin: 40px 0;
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.use-case-card {
  background: var(--white);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--gray-200);
}
.use-case-card.privacy { border-left-color: var(--blue); }
.use-case-card.sysadmin { border-left-color: var(--green); }
.use-case-card.power { border-left-color: var(--orange); }
.use-case-card.it { border-left-color: var(--gray-500); }

.use-case-card h4 {
  margin-top: 0;
  margin-bottom: 8px;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.platform-grid > div {
  background: var(--white);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.trust-list ul {
  list-style: none;
  margin-left: 0;
}
.trust-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-200);
}

/* Footer */
.site-footer {
  background: var(--gray-800);
  color: var(--gray-200);
  padding: 32px 20px 20px;
  margin-top: 40px;
  font-size: 0.9rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.footer-col h4 {
  color: var(--white);
  margin: 0 0 12px;
  font-size: 1rem;
}

.footer-col ul {
  list-style: none;
  margin: 0;
}

.footer-col li {
  margin-bottom: 6px;
}

.footer-col a {
  color: var(--gray-200);
  text-decoration: none;
}
.footer-col a:hover {
  color: var(--white);
  text-decoration: underline;
}

.footer-bottom {
  max-width: 1100px;
  margin: 24px auto 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.15);
  text-align: center;
  font-size: 0.85rem;
  color: var(--gray-500);
}

.footer-bottom a {
  color: var(--gray-500);
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  transition: background 0.2s;
}
.social-links a:hover {
  background: var(--blue);
}

/* Language switcher */
.lang-switcher {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.lang-switcher a {
  padding: 2px 8px;
  border-radius: 3px;
  background: rgba(255,255,255,0.1);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    padding: 12px 20px;
    gap: 8px;
  }
  .site-nav ul {
    justify-content: center;
  }
  .site-nav a {
    padding: 6px 10px;
    font-size: 0.9rem;
  }
  main {
    margin: 20px auto;
  }
  .content-card {
    padding: 20px;
  }
  .hero h1 {
    font-size: 1.6rem;
  }
}