/* ==========================================
   China Arrival Kit — Main Stylesheet
   Brand: Professional, warm, trustworthy
   ========================================== */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red: #C41E3A;
  --red-dark: #A01830;
  --red-light: #FDE8EC;
  --dark: #1A1A2E;
  --dark-2: #2D2D44;
  --gray: #6B7280;
  --gray-light: #F3F4F6;
  --white: #FFFFFF;
  --gold: #D4A574;
  --max-width: 1100px;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-lg: 0 4px 24px rgba(0,0,0,0.10);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  color: var(--dark);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }
a { color: var(--red); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--red-dark); }

h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; color: var(--dark); }
h1 { font-size: 2.6rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; letter-spacing: -0.01em; margin-bottom: 0.5em; }
h3 { font-size: 1.35rem; }

/* --- Layout --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }

section { padding: 5rem 0; }
section:nth-child(even) { background: var(--gray-light); }

/* --- Header / Nav --- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding: 0.8rem 0;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem;
}
.logo {
  font-size: 1.25rem; font-weight: 800; color: var(--dark);
  display: flex; align-items: center; gap: 0.5rem;
}
.logo .icon { font-size: 1.5rem; }
.nav-links { display: flex; gap: 2rem; align-items: center; list-style: none; }
.nav-links a { color: var(--dark); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--red); }

.nav-cta {
  background: var(--red); color: var(--white) !important;
  padding: 0.5rem 1.25rem; border-radius: 8px;
  font-weight: 600 !important; font-size: 0.9rem !important;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--red-dark); }

/* --- Hero --- */
.hero {
  padding: 6rem 0 5rem;
  text-align: center;
  background: linear-gradient(160deg, #FFF5F5 0%, #FFFFFF 50%, #FFF8F0 100%);
}
.hero-badge {
  display: inline-block; background: var(--red-light); color: var(--red);
  padding: 0.3rem 1rem; border-radius: 20px;
  font-size: 0.85rem; font-weight: 600;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: 3.2rem; max-width: 750px; margin: 0 auto 1rem;
  background: linear-gradient(135deg, var(--dark) 0%, #4A154B 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.2rem; color: var(--gray); max-width: 550px;
  margin: 0 auto 2.5rem;
}
.hero-cta-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 0.9rem 2rem;
  font-size: 1.05rem; font-weight: 600; border-radius: 10px;
  cursor: pointer; transition: all 0.2s; text-align: center;
  border: none; text-decoration: none;
}
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-dark); color: var(--white); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(196,30,58,0.3); }
.btn-secondary { background: var(--white); color: var(--dark); border: 2px solid #E5E7EB; }
.btn-secondary:hover { border-color: var(--red); color: var(--red); }

.price-tag { font-size: 0.85rem; color: var(--gray); margin-top: 0.75rem; }

/* --- Trust Bar --- */
.trust-bar {
  padding: 2rem 0;
  border-top: 1px solid #E5E7EB;
  border-bottom: 1px solid #E5E7EB;
}
.trust-items {
  display: flex; justify-content: center; gap: 3rem; flex-wrap: wrap;
}
.trust-item {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.92rem; font-weight: 500; color: var(--gray);
}
.trust-item .check { color: #10B981; font-weight: 700; }

/* --- Features Grid --- */
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem; margin-top: 2.5rem;
}
.feature-card {
  background: var(--white); border-radius: var(--radius);
  padding: 2rem 1.5rem; box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.feature-icon { font-size: 2rem; margin-bottom: 1rem; }
.feature-card h3 { margin-bottom: 0.5rem; }
.feature-card p { color: var(--gray); font-size: 0.95rem; }

/* --- Section Headers --- */
.section-tag {
  display: inline-block; background: var(--red-light); color: var(--red);
  padding: 0.2rem 0.8rem; border-radius: 6px;
  font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; margin-bottom: 1rem;
}
.section-header { text-align: center; margin-bottom: 1rem; }

/* --- Who It's For --- */
.audience-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem; margin-top: 2.5rem;
}
.audience-card {
  background: var(--white); border-radius: var(--radius);
  padding: 2rem 1.5rem; text-align: center;
  box-shadow: var(--shadow); border-top: 4px solid var(--red);
}
.audience-emoji { font-size: 2.5rem; margin-bottom: 0.75rem; }
.audience-card h4 { margin-bottom: 0.3rem; }
.audience-card p { color: var(--gray); font-size: 0.9rem; }

/* --- FAQ --- */
.faq-list { max-width: 720px; margin: 2.5rem auto 0; }
.faq-item {
  background: var(--white); border-radius: var(--radius);
  margin-bottom: 0.75rem; box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-q {
  width: 100%; padding: 1.25rem 1.5rem; text-align: left;
  background: none; border: none; font-size: 1.05rem;
  font-weight: 600; color: var(--dark); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-family: inherit;
}
.faq-q .arrow { transition: transform 0.2s; font-size: 0.8rem; color: var(--gray); }
.faq-q.active .arrow { transform: rotate(180deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.5rem; color: var(--gray); font-size: 0.95rem;
}
.faq-a.open { max-height: 300px; padding: 0 1.5rem 1.25rem; }

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  background: linear-gradient(160deg, var(--dark) 0%, #2D1B3D 100%);
  color: var(--white);
}
.cta-section h2 { color: var(--white); }
.cta-section .hero-sub { color: rgba(255,255,255,0.7); }
.cta-section .btn-secondary { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.3); }
.cta-section .btn-secondary:hover { border-color: var(--white); color: var(--white); }
.cta-section .price-tag { color: rgba(255,255,255,0.5); }

.guarantee {
  display: flex; align-items: center; justify-content: center; gap: 0.75rem;
  margin-top: 2rem; font-size: 0.92rem;
  color: rgba(255,255,255,0.7);
}
.guarantee .shield { font-size: 1.5rem; }

/* --- Footer --- */
.site-footer {
  background: var(--dark); color: rgba(255,255,255,0.6);
  padding: 3rem 0 2rem; font-size: 0.9rem;
}
.footer-inner {
  display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: 2rem; max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem;
}
.footer-brand h3 { color: var(--white); margin-bottom: 0.3rem; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: rgba(255,255,255,0.6); }
.footer-links a:hover { color: var(--white); }

/* --- Blog Page --- */
.blog-hero {
  padding: 4rem 0 2rem; text-align: center;
  background: linear-gradient(160deg, #FFF5F5 0%, #FFFFFF 100%);
}
.blog-hero h1 { font-size: 2.4rem; }
.blog-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem; margin-top: 2.5rem;
}
.blog-card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.blog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.blog-card-body { padding: 1.5rem; }
.blog-card-tag {
  font-size: 0.75rem; font-weight: 700; color: var(--red);
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem;
}
.blog-card h3 { margin-bottom: 0.5rem; }
.blog-card h3 a { color: var(--dark); }
.blog-card h3 a:hover { color: var(--red); }
.blog-card p { color: var(--gray); font-size: 0.92rem; }
.blog-card-meta { font-size: 0.82rem; color: var(--gray); margin-top: 1rem; }

/* --- Blog Post --- */
.blog-post { max-width: 760px; margin: 0 auto; padding: 3rem 1.5rem 5rem; }
.blog-post-header { text-align: center; margin-bottom: 2.5rem; }
.blog-post-header h1 { font-size: 2.2rem; }
.blog-post-meta { color: var(--gray); font-size: 0.9rem; margin-top: 0.75rem; }
.blog-post-content { font-size: 1.05rem; }
.blog-post-content h2 { margin-top: 2.5rem; margin-bottom: 0.75rem; font-size: 1.5rem; }
.blog-post-content h3 { margin-top: 2rem; margin-bottom: 0.5rem; }
.blog-post-content p { margin-bottom: 1.2rem; }
.blog-post-content ul, .blog-post-content ol { margin-bottom: 1.2rem; padding-left: 1.5rem; }
.blog-post-content li { margin-bottom: 0.4rem; }
.blog-post-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.blog-post-content th, .blog-post-content td {
  padding: 0.6rem 0.8rem; border: 1px solid #E5E7EB; text-align: left;
  font-size: 0.92rem;
}
.blog-post-content th { background: var(--gray-light); font-weight: 600; }
.blog-post-content blockquote {
  margin: 1.5rem 0; padding: 1rem 1.5rem;
  background: var(--gray-light); border-left: 4px solid var(--red);
  border-radius: 0 8px 8px 0; color: var(--dark-2);
}
.blog-post-content code {
  background: var(--gray-light); padding: 0.15rem 0.4rem;
  border-radius: 4px; font-size: 0.9em;
}
.blog-post-content pre {
  background: var(--dark); color: #E5E7EB; padding: 1.25rem;
  border-radius: var(--radius); overflow-x: auto; margin: 1.5rem 0;
  font-size: 0.88rem; line-height: 1.6;
}
.blog-post-content pre code { background: none; padding: 0; color: inherit; }
.blog-cta-box {
  background: linear-gradient(135deg, var(--red-light), #FFF5F5);
  border: 2px solid var(--red); border-radius: var(--radius);
  padding: 2rem; text-align: center; margin: 2.5rem 0;
}
.blog-cta-box h3 { margin-bottom: 0.5rem; }
.blog-cta-box .btn { margin-top: 1rem; }

/* --- Responsive --- */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  .hero h1 { font-size: 2.2rem; }
  h2 { font-size: 1.6rem; }
  section { padding: 3rem 0; }
  .hero { padding: 4rem 0 3rem; }
  .nav-links { gap: 1rem; }
  .nav-links a:not(.nav-cta) { display: none; }
  .trust-items { gap: 1.5rem; }
  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
}