:root {
  --accent: #60aeff;
  --accent-2: #93cfff;
  --danger: #ff6b6b;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #fff;
  background: linear-gradient(135deg, #0b1d35 0%, #0d3060 35%, #1058a0 70%, #1976d2 100%);
  background-attachment: fixed;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 24px;
  flex: 1;
}

header.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
  text-decoration: none;
}

.brand .logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

nav.site-nav a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  margin-left: 20px;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

nav.site-nav a:hover {
  color: #fff;
}

.glass {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 20px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 28px;
}

.hero {
  text-align: center;
  padding: 60px 0 40px;
}

.hero h1 {
  font-size: 2.4rem;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.hero p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
  max-width: 540px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.store-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 8px;
}

.store-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 26px;
  border-radius: 14px;
  text-decoration: none;
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: transform 0.15s ease, background 0.15s ease;
}

.store-button:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.store-button svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

section.content {
  margin: 28px 0;
}

section.content h2 {
  font-size: 1.4rem;
  margin-top: 0;
  color: var(--accent-2);
}

section.content h3 {
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 6px;
}

section.content p, section.content li {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
}

section.content ul {
  padding-left: 1.2em;
}

.updated {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

.support-card {
  text-align: center;
  padding: 50px 28px;
}

.mail-button {
  display: inline-block;
  margin-top: 20px;
  padding: 14px 32px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #1976d2);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.mail-button:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

footer.site-footer {
  text-align: center;
  padding: 30px 0;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.85rem;
}

footer.site-footer a {
  color: rgba(255, 255, 255, 0.6);
}

.lang-toggle {
  display: inline-flex;
  gap: 0;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  overflow: hidden;
  margin-left: 16px;
  font-size: 0.85rem;
}

.lang-toggle button {
  background: transparent;
  color: rgba(255, 255, 255, 0.6);
  border: none;
  padding: 5px 12px;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  transition: background 0.15s ease, color 0.15s ease;
}

.lang-toggle button.active {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.lang-toggle button:hover:not(.active) {
  color: #fff;
}

[data-lang="de"] { display: none; }
[data-lang="en"] { display: block; }
html[lang="de"] [data-lang="de"] { display: block; }
html[lang="de"] [data-lang="en"] { display: none; }