/* Shared styles for jdccmobile.github.io — index + app landings + guides */

* { box-sizing: border-box; }

:root {
  --primary-color: #3E8E4D;
  --accent: var(--primary-color);
  --on-accent: #fff;          /* text placed on accent backgrounds */
  --accent-text: var(--accent); /* accent used as text/link color (darker on light accents) */
  --bg-color: #f9f9f9;
  --card-bg: #ffffff;
  --text-color: #333;
  --text-secondary: #666;
}

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  margin: 0;
  background-color: var(--bg-color);
  background-image:
    radial-gradient(1100px 480px at 50% -120px, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 7%, transparent), transparent 480px);
  background-repeat: no-repeat;
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  line-height: 1.55;
}

img { max-width: 100%; height: auto; }
a { color: var(--accent-text); }

/* ---------- Tab bar (site-wide nav) ---------- */
.tabbar {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: var(--card-bg);
  border-bottom: 1px solid #e5e5e5;
  display: flex;
  justify-content: center;
}
.tabbar-inner {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 8px 12px;
  max-width: 960px;
  scrollbar-width: none;
}
.tabbar-inner::-webkit-scrollbar { display: none; }
.tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 50px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s;
}
.tab:hover { background: #f0f0f0; }
.tab.active { background: var(--accent); color: var(--on-accent); }
.tab img { width: 22px; height: 22px; border-radius: 6px; }

/* ---------- Generic layout ---------- */
.container {
  width: 100%;
  max-width: 600px;
  padding: 32px 20px 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.page {
  width: 100%;
  max-width: 960px;
  padding: 0 20px 40px;
}
.section-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 10px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- Index: profile + app cards ---------- */
header.profile {
  text-align: center;
  padding: 40px 20px 0;
  width: 100%;
  max-width: 600px;
}
.avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 15px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}
h1 { margin: 10px 0 5px; font-size: 24px; font-weight: 700; }
.subtitle { margin: 0; font-size: 16px; color: var(--text-secondary); font-weight: 400; }

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.app-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}
.app-card:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1); }
.app-header { display: flex; flex-direction: column; align-items: center; margin-bottom: 20px; }
.app-icon {
  width: 80px;
  height: 80px;
  border-radius: 20%;
  object-fit: cover;
  margin-bottom: 15px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.app-title { font-size: 18px; font-weight: 700; margin: 0 0 8px; color: var(--text-color); }
.app-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.5; margin: 0; }
.app-more {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-text);
  text-decoration: none;
}
.app-more:hover { text-decoration: underline; }

.btn-container {
  width: 100%;
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.store-link { display: inline-flex; justify-content: center; transition: transform 0.2s ease, opacity 0.2s ease; }
.store-link:hover { transform: translateY(-2px); opacity: 0.9; }
.store-link:active { transform: translateY(0); }
.store-badge { height: 44px; width: auto; object-fit: contain; }

.contact-section { margin-top: 20px; text-align: center; }
.contact-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
}
.contact-btn {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 25px;
  background-color: #eee;
  color: #333;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.3s;
}
.contact-btn:hover { background-color: #ddd; }

/* ---------- Landing: hero ---------- */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 48px 0 32px;
  gap: 16px;
}
.hero .app-icon { width: 110px; height: 110px; margin-bottom: 0; }
.hero h1 { font-size: 32px; line-height: 1.2; margin: 8px 0 0; max-width: 640px; }
.hero .tagline { font-size: 18px; color: var(--text-secondary); margin: 0; max-width: 560px; }
.hero .rating { font-size: 15px; color: var(--text-secondary); margin: 0; }
.hero .rating strong { color: var(--text-color); }

/* ---------- Landing: screenshots carousel ---------- */
.shots {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 12px 4px 20px;
}
.shots img {
  scroll-snap-align: center;
  width: 230px;
  height: auto;
  flex-shrink: 0;
  border-radius: 18px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

/* ---------- Landing: sections ---------- */
.landing-section { padding: 28px 0; }
.landing-section > h2 { font-size: 24px; text-align: center; margin: 0 0 24px; }

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.step {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.step .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 700;
  margin-bottom: 10px;
}
.step h3 { margin: 0 0 6px; font-size: 16px; }
.step p { margin: 0; font-size: 14px; color: var(--text-secondary); }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; padding: 0; margin: 0; list-style: none; }
.features li {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 15px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.guide-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.guide-card {
  display: block;
  background: var(--card-bg);
  border-radius: 16px;
  padding: 20px;
  text-decoration: none;
  color: var(--text-color);
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}
.guide-card:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,0.1); }
.guide-card h3 { margin: 0 0 8px; font-size: 16px; }
.guide-card p { margin: 0; font-size: 14px; color: var(--text-secondary); }
.guide-card .more { display: inline-block; margin-top: 10px; font-weight: 600; color: var(--accent-text); font-size: 14px; }

/* ---------- Landing: FAQ ---------- */
.faq details {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.faq summary { font-weight: 600; cursor: pointer; font-size: 15px; }
.faq details p { margin: 10px 0 0; font-size: 14px; color: var(--text-secondary); }
.faq .learn-more { font-weight: 600; }

/* ---------- Landing: CTA ---------- */
.cta {
  background: var(--accent);
  border-radius: 20px;
  color: var(--on-accent);
  text-align: center;
  padding: 36px 24px;
  margin: 20px 0;
}
.cta h2 { margin: 0 0 8px; font-size: 24px; }
.cta p { margin: 0 0 20px; opacity: 0.92; }

/* ---------- Guides (article pages) ---------- */
.article { max-width: 680px; margin: 0 auto; padding: 24px 0 40px; }
.article h1 { font-size: 28px; line-height: 1.25; }
.article h2 { font-size: 21px; margin-top: 32px; }
.article p, .article li { font-size: 16px; color: #444; }
.article .lead { font-size: 18px; color: var(--text-color); }
.breadcrumbs { font-size: 13px; color: var(--text-secondary); padding: 16px 0 0; }
.breadcrumbs a { color: var(--text-secondary); text-decoration: none; }
.breadcrumbs a:hover { text-decoration: underline; }
.app-cta {
  background: var(--card-bg);
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  padding: 20px;
  margin: 28px 0;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.app-cta h2 { margin-top: 0; }

/* ---------- Language switch ---------- */
.lang-switch {
  position: absolute;
  top: 60px;
  right: 16px;
  font-size: 13px;
  font-weight: 600;
}
.lang-switch a { text-decoration: none; color: var(--text-secondary); padding: 4px 8px; border-radius: 8px; background: var(--card-bg); box-shadow: 0 2px 6px rgba(0,0,0,0.06); }
.lang-switch a:hover { color: var(--accent-text); }

/* ---------- Footer ---------- */
footer {
  margin-top: auto;
  padding: 24px 20px;
  text-align: center;
  font-size: 12px;
  color: #999;
  width: 100%;
}
footer a { color: #999; text-decoration: none; margin: 0 6px; }
footer a:hover { text-decoration: underline; }

@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  .shots img { width: 200px; }
  .breadcrumbs { padding-right: 96px; }
}