:root {
  --bg: #faf3e7;
  --surface: #fffaf1;
  --ink: #3d2b1f;
  --muted: #6b5a4a;
  --accent: #c47a3a;
  --accent-dark: #9c5d24;
  --border: #e8d9c0;
  --shadow: 0 6px 24px rgba(61, 43, 31, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

header.site {
  text-align: center;
  margin-bottom: 40px;
}

header.site .logo {
  font-size: 56px;
  margin-bottom: 8px;
}

header.site h1 {
  font-size: 36px;
  margin: 0 0 8px;
  letter-spacing: -0.5px;
}

header.site .tagline {
  color: var(--muted);
  font-size: 17px;
  margin: 0;
}

nav.lang {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

nav.lang a {
  display: inline-block;
  padding: 10px 20px;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 15px;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}

nav.lang a:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

nav.lang a.current {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

main.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  box-shadow: var(--shadow);
}

main.card h1 {
  margin-top: 0;
  font-size: 28px;
  letter-spacing: -0.3px;
}

main.card h2 {
  margin-top: 32px;
  font-size: 20px;
  color: var(--accent-dark);
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}

main.card p, main.card li {
  font-size: 16px;
  color: var(--ink);
}

main.card ul {
  padding-left: 22px;
}

main.card li {
  margin-bottom: 6px;
}

main.card strong {
  color: var(--ink);
}

.meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 32px 0;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.feature .icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.feature h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

footer.site {
  margin-top: 48px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

footer.site a {
  color: var(--accent-dark);
  text-decoration: none;
}

footer.site a:hover {
  text-decoration: underline;
}

.back {
  display: inline-block;
  margin-top: 24px;
  color: var(--accent-dark);
  text-decoration: none;
  font-weight: 600;
}

.back:hover { text-decoration: underline; }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 160px));
  gap: 16px;
  margin: 24px 0 8px;
  justify-content: center;
}

.gallery img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--bg);
}

.faq-section {
  margin-top: 28px;
}

.faq-section h2 {
  margin-top: 32px;
}

details.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 10px;
}

details.faq-item[open] {
  background: #fff;
}

details.faq-item > summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  padding: 4px 0;
}

details.faq-item > summary::-webkit-details-marker { display: none; }

details.faq-item > summary::before {
  content: "➕ ";
  color: var(--accent-dark);
  font-weight: 700;
  margin-right: 6px;
}

details.faq-item[open] > summary::before {
  content: "➖ ";
}

details.faq-item p {
  margin: 10px 0 4px;
  color: var(--ink);
}

@media (max-width: 560px) {
  .wrap { padding: 32px 16px 60px; }
  main.card { padding: 28px 20px; }
  header.site h1 { font-size: 28px; }
  header.site .logo { font-size: 48px; }
  .gallery { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .gallery img { border-radius: 10px; }
}