:root {
  --primary: #0071e3;
  --primary-hover: #0077ed;
  --bg-color: #f5f5f7;
  --card-bg: #ffffff;
  --text-color: #1d1d1f;
  --text-muted: #86868b;
  --border-color: #d2d2d7;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #000000;
    --card-bg: #1c1c1e;
    --text-color: #f5f5f7;
    --text-muted: #a1a1a6;
    --border-color: #38383a;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.5;
  padding-bottom: 60px;
}

header {
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 18px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--text-color);
}

.logo-icon {
  width: auto;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: bold;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.hero {
  max-width: 800px;
  margin: 60px auto 40px;
  text-align: center;
  padding: 0 20px;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 12px;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 30px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

.card h2 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

.faq-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.faq-item:first-child {
  padding-top: 0;
}

.faq-question {
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--text-color);
}

.faq-answer {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
}

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

.faq-answer a:hover {
  text-decoration: underline;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-color);
  color: var(--text-color);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
}

.btn {
  background-color: var(--primary);
  color: white;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
  display: inline-block;
  width: 100%;
  text-align: center;
}

.btn:hover {
  background-color: var(--primary-hover);
}

.contact-info {
  display: flex;
  gap: 16px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.info-box {
  flex: 1;
  min-width: 200px;
  background: var(--bg-color);
  padding: 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.info-box h4 {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.info-box p {
  font-size: 1.05rem;
  font-weight: 600;
}

footer {
  max-width: 800px;
  margin: 40px auto 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 0 20px;
}

footer a {
  color: var(--text-muted);
  text-decoration: underline;
}

.tagline {
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #000;
  color: #fff;
  padding: 12px 24px;
  border-radius: 14px;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

@media (prefers-color-scheme: dark) {
  .store-badge {
    background: #ffffff;
    color: #000000;
  }
}

.store-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.badge-text {
  text-align: left;
}

.badge-text .sub {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  opacity: 0.8;
}

.badge-text .main {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.1;
}