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

:root {
  --bg: #FFF8F4;
  --surface: #FFFFFF;
  --border: #F0E8E4;
  --primary: #C4704F;
  --primary-light: #E8C4B4;
  --primary-dark: #A05A3C;
  --text: #2D1B0E;
  --muted: #9A7A6A;
  --radius: 16px;
  --max: 720px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.65;
}

nav {
  width: 100%;
  max-width: 900px;
  padding: 24px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
}

.logo-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--primary);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

nav a.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}
nav a.nav-link:hover { color: var(--text); }

.lang-toggle {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
}
.lang-toggle:hover { color: var(--text); border-color: var(--primary-light); }

main {
  width: 100%;
  max-width: var(--max);
  padding: 8px 32px 48px;
  flex: 1;
}

.hero-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
}

h1 {
  font-size: clamp(28px, 4.5vw, 42px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.8px;
  margin-bottom: 16px;
}

.lead {
  font-size: 18px;
  color: var(--muted);
  margin-bottom: 36px;
}

article h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin: 36px 0 12px;
}

article p {
  margin-bottom: 14px;
  color: var(--text);
}

article ul {
  margin: 0 0 16px 20px;
  color: var(--text);
}

article li { margin-bottom: 8px; }

article li strong { color: var(--primary-dark); }

.tip-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 28px 0;
}

.tip-box p:last-child { margin-bottom: 0; }

/* ── CTA → App Store ── */
.cta-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  margin: 36px 0;
  text-align: center;
  box-shadow: 0 8px 32px rgba(196, 112, 79, 0.08);
}

.cta-box h2 {
  font-size: 20px;
  margin: 0 0 8px;
}

.cta-box p {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 20px;
}

.store-section {
  text-align: center;
  padding: 8px 0 16px;
}

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

.store-btn {
  display: flex;
  align-items: center;
  gap: 11px;
  background: var(--primary);
  border-radius: 14px;
  padding: 13px 22px;
  text-decoration: none;
  color: #fff;
  transition: background 0.2s, transform 0.15s;
  min-width: 180px;
}
.store-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.store-btn-text { text-align: left; }
.store-btn-text .small { font-size: 11px; opacity: 0.85; }
.store-btn-text .big { font-size: 16px; font-weight: 600; }

.android-icon { width: 26px; height: 26px; flex-shrink: 0; }

/* ── Product mention ── */
.product-box {
  background: rgba(196, 112, 79, 0.08);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin: 32px 0;
}

.product-box h2 { margin-top: 0; font-size: 18px; }
.product-box p { font-size: 15px; color: var(--muted); margin-bottom: 0; }

/* ── Related guides ── */
.related {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.related h2 {
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted);
  margin-bottom: 14px;
}

.related-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.related-links a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}
.related-links a:hover { text-decoration: underline; }

/* ── Hub index ── */
.guide-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.guide-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.guide-card:hover {
  border-color: var(--primary-light);
  box-shadow: 0 4px 20px rgba(196, 112, 79, 0.1);
}

.guide-card h2 {
  font-size: 18px;
  margin: 0 0 6px;
  color: var(--text);
}

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

footer {
  width: 100%;
  max-width: 900px;
  padding: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  justify-content: center;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: auto;
}

footer a {
  color: var(--muted);
  text-decoration: none;
}
footer a:hover { color: var(--text); }

@media (max-width: 600px) {
  nav, main, footer { padding-left: 20px; padding-right: 20px; }
}