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

:root {
  --bg: #FFFBF5;
  --bg-warm: #FFF5EC;
  --bg-card: #FFFFFF;
  --primary: #C75000;
  --primary-light: #E8671A;
  --accent: #F4A261;
  --accent-light: #F4C48C;
  --charcoal: #2D2006;
  --text: #3D2B1F;
  --text-muted: #8C7355;
  --border: #EDD9C4;
  --shadow: rgba(199, 80, 0, 0.08);
  --radius: 24px;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ── Shared Components ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 28px; }
.section { padding: 80px 0; flex: 1; }
.section-tag {
  display: inline-block;
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--primary);
  background: rgba(199,80,0,0.08);
  padding: 4px 14px; border-radius: 100px;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 900; color: var(--charcoal);
  margin-bottom: 10px;
}
.section-sub {
  font-size: 0.95rem; color: var(--text-muted);
  max-width: 520px; line-height: 1.7;
}
.section-header { margin-bottom: 48px; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary);
  color: #fff; font-weight: 700; font-size: 0.92rem;
  padding: 13px 28px; border-radius: 100px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(199,80,0,0.25);
}
.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(199,80,0,0.35);
}
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1.5px solid var(--border);
  color: var(--text); font-weight: 600; font-size: 0.92rem;
  padding: 13px 28px; border-radius: 100px;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.btn-outline:hover { border-color: var(--primary); box-shadow: 0 4px 16px var(--shadow); }

/* ── Navbar ── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,251,245,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.navbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.navbar-brand {
  display: flex; align-items: center; gap: 10px;
}
.brand-logo {
  width: 38px; height: 38px;
  background: var(--primary); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.brand-name { font-size: 1rem; font-weight: 800; color: var(--charcoal); }
.brand-name span { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 0.88rem; font-weight: 500; color: var(--text-muted);
  transition: color 0.2s; position: relative; padding: 4px 0;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; background: var(--primary);
  transform: scaleX(0); transition: transform 0.2s; border-radius: 2px;
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-cta {
  background: var(--primary); color: #fff;
  font-weight: 700; font-size: 0.85rem;
  padding: 9px 22px; border-radius: 100px;
  transition: background 0.2s, transform 0.2s;
}
.nav-cta:hover { background: var(--primary-light); transform: translateY(-1px); }

/* ── Footer ── */
footer {
  background: var(--charcoal); padding: 40px 0 24px;
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-brand { font-size: 1rem; font-weight: 800; color: #fff; }
.footer-brand span { color: var(--accent); }
.footer-copy { font-size: 0.78rem; color: rgba(255,255,255,0.35); }

/* ── Hero (home only) ── */
.hero {
  padding: 100px 0 60px;
  background: linear-gradient(180deg, var(--bg-warm) 0%, var(--bg) 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute;
  top: -80px; right: -60px; width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(244,162,97,0.15) 0%, transparent 65%);
  pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center; position: relative; z-index: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(199,80,0,0.08);
  border: 1px solid rgba(199,80,0,0.15);
  border-radius: 100px; padding: 5px 14px;
  font-size: 0.78rem; color: var(--primary); font-weight: 600;
  margin-bottom: 18px;
}
.hero-badge-dot {
  width: 5px; height: 5px; background: var(--accent);
  border-radius: 50%; animation: pulse 2s infinite;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900; line-height: 1.15; color: var(--charcoal);
  margin-bottom: 16px;
}
.hero h1 em { font-style: normal; color: var(--primary); }
.hero-desc {
  font-size: 0.98rem; color: var(--text-muted);
  line-height: 1.85; margin-bottom: 28px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-visual {
  display: flex; justify-content: center; align-items: center;
}
.hero-emoji { font-size: 220px; filter: drop-shadow(0 20px 50px rgba(199,80,0,0.2)); animation: float 5s ease-in-out infinite; }
.hero-stats {
  display: flex; gap: 32px; margin-top: 32px; padding-top: 28px;
  border-top: 1px solid var(--border);
}
.hero-stat-num { font-size: 1.6rem; font-weight: 900; color: var(--primary); }
.hero-stat-label { font-size: 0.78rem; color: var(--text-muted); }

/* ── Page banner ── */
.page-banner {
  background: linear-gradient(180deg, var(--bg-warm) 0%, var(--bg) 100%);
  padding: 60px 0 48px;
  border-bottom: 1px solid var(--border);
}
.page-banner h1 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 900; color: var(--charcoal); margin-bottom: 8px; }
.page-banner p { font-size: 0.95rem; color: var(--text-muted); max-width: 480px; }

/* ── Cards grid ── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* ── Product card ── */
.product-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.product-card:hover { transform: translateY(-5px); box-shadow: 0 20px 48px var(--shadow); border-color: var(--accent-light); }
.product-img {
  width: 100%; height: 200px;
  background: var(--bg-warm);
  display: flex; align-items: center; justify-content: center;
  font-size: 80px; position: relative; overflow: hidden;
}
.product-img::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 32px; background: linear-gradient(to top, var(--bg-warm), transparent);
}
.product-badge {
  position: absolute; top: 14px; left: 14px;
  background: var(--primary); color: #fff;
  font-size: 0.7rem; font-weight: 700;
  padding: 3px 10px; border-radius: 100px; z-index: 1;
}
.product-info { padding: 24px; }
.product-name { font-size: 1.1rem; font-weight: 800; color: var(--charcoal); margin-bottom: 6px; }
.product-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 12px; }
.product-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.product-tag {
  font-size: 0.7rem; font-weight: 600;
  padding: 2px 10px; border-radius: 100px;
  background: rgba(199,80,0,0.06); color: var(--primary);
}
.product-tag.hot { background: rgba(220,38,38,0.07); color: #DC2626; }

/* ── Step card ── */
.step-card {
  text-align: center; padding: 36px 20px 28px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.3s, box-shadow 0.3s;
}
.step-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px var(--shadow); }
.step-num {
  width: 52px; height: 52px; margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 900; color: #fff;
}
.step-emoji { font-size: 36px; margin-bottom: 10px; }
.step-title { font-size: 1rem; font-weight: 800; color: var(--charcoal); margin-bottom: 8px; }
.step-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }

/* ── Case card ── */
.case-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.case-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px var(--shadow); }
.case-avatar {
  width: 44px; height: 44px; border-radius: 50%; margin-bottom: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800; color: #fff;
}
.case-stars { color: var(--accent); font-size: 0.82rem; margin-bottom: 10px; }
.case-text { font-size: 0.88rem; color: var(--text); line-height: 1.75; margin-bottom: 14px; }
.case-meta { display: flex; justify-content: space-between; align-items: center; }
.case-name { font-weight: 700; font-size: 0.85rem; color: var(--charcoal); }
.case-label { font-size: 0.7rem; padding: 3px 10px; border-radius: 100px; background: rgba(244,162,97,0.12); color: var(--primary); font-weight: 600; }

/* ── Story page ── */
.story-intro { font-size: 1rem; color: var(--text-muted); line-height: 1.9; margin-bottom: 36px; }
.story-quote {
  font-size: 1.05rem; color: var(--charcoal); font-weight: 500;
  line-height: 1.9; margin-bottom: 28px;
  padding: 20px 24px; border-left: 3px solid var(--primary);
  background: var(--bg-warm); border-radius: 0 16px 16px 0;
  font-style: italic;
}
.story-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.story-feature { display: flex; align-items: flex-start; gap: 12px; padding: 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; }
.story-feature-icon {
  width: 40px; height: 40px; background: rgba(199,80,0,0.08); border-radius: 10px;
  display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0;
}
.story-feature-title { font-weight: 700; font-size: 0.88rem; color: var(--charcoal); }
.story-feature-desc { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

/* ── Contact ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-form { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px; }
.form-title { font-size: 1.1rem; font-weight: 800; color: var(--charcoal); margin-bottom: 20px; }
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text); margin-bottom: 5px; }
.form-input, .form-textarea, .form-select {
  width: 100%; padding: 11px 14px;
  border: 1.5px solid var(--border); border-radius: 12px;
  font-size: 0.88rem; font-family: inherit;
  background: var(--bg); color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s; outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(199,80,0,0.1);
}
.form-textarea { resize: vertical; min-height: 90px; }
.form-select { cursor: pointer; }
.form-submit {
  width: 100%; padding: 13px;
  background: var(--primary); color: #fff;
  font-weight: 700; font-size: 0.92rem;
  border: none; border-radius: 12px; cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.form-submit:hover { background: var(--primary-light); transform: translateY(-1px); }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; }
.contact-icon {
  width: 42px; height: 42px; background: rgba(199,80,0,0.08);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.contact-item-title { font-weight: 700; font-size: 0.88rem; color: var(--charcoal); }
.contact-item-value { font-size: 0.82rem; color: var(--text-muted); margin-top: 2px; }

/* ── CTA banner ── */
.cta-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius); padding: 60px 48px;
  text-align: center; position: relative; overflow: hidden;
}
.cta-card::before {
  content: ''; position: absolute; top: -40%; right: -10%;
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
}
.cta-title { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 900; color: #fff; margin-bottom: 10px; position: relative; }
.cta-sub { font-size: 0.92rem; color: rgba(255,255,255,0.8); margin-bottom: 28px; position: relative; }
.cta-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; position: relative; }
.btn-white {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: var(--primary); font-weight: 800; font-size: 0.92rem;
  padding: 13px 30px; border-radius: 100px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.18); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1.5px solid rgba(255,255,255,0.4); color: #fff;
  font-weight: 600; font-size: 0.92rem;
  padding: 13px 30px; border-radius: 100px;
  transition: border-color 0.2s, background 0.2s;
}
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

/* ── Animations ── */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { margin: 0 auto 28px; }
  .hero-actions { justify-content: center; }
  .hero-visual { display: none; }
  .hero-stats { justify-content: center; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .story-features { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .footer-inner { flex-direction: column; text-align: center; }
  .cta-card { padding: 40px 24px; }
}
@media (max-width: 600px) {
  .section { padding: 56px 0; }
  .page-banner { padding: 48px 0 36px; }
}