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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: #1a1a1a;
  background: #fafaf8;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: #10B981;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Language switcher */
.lang-switch {
  position: fixed;
  top: 16px;
  right: 20px;
  z-index: 100;
  display: flex;
  gap: 8px;
  font-size: 14px;
}

.lang-switch a {
  color: #888;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(8px);
  border: 1px solid #e0e0e0;
}

.lang-switch a.active {
  color: #10B981;
  font-weight: 600;
  border-color: #10B981;
}

/* Hero / Landing */
.hero {
  max-width: 600px;
  margin: 0 auto;
  padding: 60px 24px 40px;
  text-align: center;
  flex: 1;
}

.app-icon {
  width: 100px;
  height: 100px;
  border-radius: 22px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  margin-bottom: 20px;
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.tagline {
  font-size: 1.3rem;
  color: #10B981;
  font-weight: 600;
  margin-bottom: 16px;
}

.description {
  font-size: 1.05rem;
  color: #555;
  max-width: 480px;
  margin: 0 auto 32px;
}

/* Features grid */
.features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
}

.features span {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: #333;
  white-space: nowrap;
}

/* Store buttons */
.store-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.store-btn {
  display: inline-block;
  background: #10B981;
  color: #fff !important;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none !important;
  transition: background 0.2s;
}

.store-btn:hover {
  background: #059669;
  text-decoration: none !important;
}

.store-btn.disabled {
  background: #ccc;
  cursor: not-allowed;
  pointer-events: none;
}

/* Content pages (privacy, support) */
.content-page {
  max-width: 700px;
  margin: 0 auto;
  padding: 60px 24px 40px;
  flex: 1;
}

.content-page h1 {
  font-size: 1.8rem;
  margin-bottom: 8px;
  text-align: left;
}

.content-page h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #10B981;
  margin: 28px 0 10px;
}

.content-page p {
  margin-bottom: 12px;
  color: #444;
}

.content-page ul {
  margin: 8px 0 16px 20px;
  color: #444;
}

.content-page li {
  margin-bottom: 6px;
}

.effective-date {
  font-size: 0.9rem;
  color: #888;
  margin-bottom: 24px;
}

/* FAQ accordion */
details {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 10px;
}

details summary {
  font-weight: 600;
  cursor: pointer;
  color: #1a1a1a;
  list-style: none;
}

details summary::before {
  content: '▶ ';
  font-size: 0.75rem;
  color: #10B981;
  margin-right: 6px;
}

details[open] summary::before {
  content: '▼ ';
}

details p {
  margin-top: 10px;
  font-size: 0.95rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 24px;
  border-top: 1px solid #e8e8e8;
  color: #888;
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  align-items: center;
}

footer p {
  width: 100%;
  margin-top: 4px;
}

/* Responsive */
@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }

  .tagline {
    font-size: 1.1rem;
  }

  .features span {
    font-size: 0.85rem;
    padding: 8px 12px;
  }

  .store-btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }

  .content-page h1 {
    font-size: 1.5rem;
  }
}