/* ============================================
   MODERN.CSS — Layout components
   ============================================ */

/* ── Header ── */
.kb-header {
  position: sticky;
  top: 0;
  background: var(--kb-cream);
  border-bottom: 2px solid var(--kb-gold);
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(243, 233, 210, 0.96);
  height: 80px;          /* #KB006: slim ribbon (was ~114px) — 30% reduction */
  overflow: visible;     /* allow logo to overhang downward into hero (premium "badge on ribbon" effect) */
}

.kb-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;          /* #KB006: fill 80px header */
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;       /* #KB006: vertical padding removed — height controlled by .kb-header */
  gap: 24px;
}

.kb-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  border: none;
  align-self: center; /* #KB008: vertical-center in 80px navbar */
  margin-top: 8px;     /* #KB010: shifted up from 16px → 8px (lighter downward bias) */
  position: relative;
  z-index: 5; /* keep logo above trust banner so the seal sits cleanly on top */
}

.kb-logo img,
.kb-logo svg {
  height: 104px;          /* UNCHANGED per user requirement (#KB006) */
  width: auto;
  flex-shrink: 0;
}

.kb-logo .kb-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.kb-logo .kb-logo-th {
  font-family: 'Noto Serif Thai', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--kb-oxblood);
  letter-spacing: 1px;
}

.kb-logo .kb-logo-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 12px;
  color: var(--kb-gold-deep);
  letter-spacing: 4px;
  text-transform: uppercase;
}

.kb-nav {
  display: flex;
  gap: 4px;
  align-items: center;
}

.kb-nav a {
  padding: 8px 14px;
  color: var(--kb-bronze);
  font-size: 14.5px;
  font-weight: 500;
  border-bottom: none;
  border-radius: var(--kb-radius-sm);
  transition: all 0.2s;
}

.kb-nav a:hover,
.kb-nav a.active {
  background: var(--kb-oxblood);
  color: var(--kb-gold);
}

/* Lang switcher */
.kb-lang-switch {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--kb-cream-soft);
  border: 1px solid var(--kb-gold);
  border-radius: var(--kb-radius-sm);
}

.kb-lang-switch button,
.kb-lang-switch a {
  padding: 4px 10px;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--kb-bronze);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.5px;
}

.kb-lang-switch button:hover,
.kb-lang-switch a:hover { background: var(--kb-cream); text-decoration:none; border-bottom:none; }
.kb-lang-switch button.active,
.kb-lang-switch a.active { background: var(--kb-oxblood); color: var(--kb-gold); text-decoration:none; border-bottom:none; }

/* Hamburger for mobile */
.kb-hamburger {
  display: none;
  background: var(--kb-oxblood);
  color: var(--kb-gold);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: var(--kb-radius-sm);
  cursor: pointer;
  font-size: 20px;
}

@media (max-width: 1024px) {
  .kb-nav { display: none; }
  .kb-hamburger { display: block; }
  .kb-nav.open {
    display: flex;
    position: absolute;
    top: 100%;
    right: 0;
    flex-direction: column;
    background: var(--kb-cream);
    border: 1px solid var(--kb-gold);
    border-radius: var(--kb-radius);
    padding: 12px;
    margin: 8px;
    box-shadow: var(--kb-shadow-lg);
    min-width: 220px;
  }
  .kb-nav.open a { width: 100%; }
}

/* ── Hero ── */
.kb-hero {
  background: linear-gradient(135deg, var(--kb-oxblood) 0%, var(--kb-oxblood-deep) 100%);
  color: var(--kb-cream);
  padding: 80px 24px 100px;
  position: relative;
  overflow: hidden;
}

.kb-hero::before {
  content: "";
  position: absolute;
  top: -150px;
  right: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--kb-gold) 0%, transparent 70%);
  opacity: 0.12;
  border-radius: 50%;
}

.kb-hero::after {
  content: "";
  position: absolute;
  bottom: -200px;
  left: -200px;
  width: 600px;
  height: 600px;
  border: 2px solid var(--kb-gold);
  opacity: 0.08;
  border-radius: 50%;
}

.kb-hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  text-align: center;
}

.kb-hero h1 {
  color: var(--kb-gold-light);
  margin-bottom: 16px;
}

.kb-hero h1 small {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.6em;
  color: var(--kb-cream);
  font-weight: 500;
  margin-top: 12px;
  letter-spacing: 4px;
}

.kb-hero .kb-hero-tagline {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 22px;
  color: var(--kb-gold-light);
  border-top: 1px solid rgba(195, 154, 64, 0.4);
  border-bottom: 1px solid rgba(195, 154, 64, 0.4);
  padding: 14px 0;
  display: inline-block;
  margin: 24px 0 32px;
  letter-spacing: 2px;
}

.kb-hero p { color: rgba(243, 233, 210, 0.85); max-width: 720px; margin: 0 auto 32px; font-size: 17px; }

.kb-hero .kb-hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 32px;
}

.kb-hero .kb-btn { background: var(--kb-gold); color: var(--kb-oxblood); border-color: var(--kb-gold); }
.kb-hero .kb-btn:hover { background: var(--kb-gold-light); border-color: var(--kb-gold-light); color: var(--kb-oxblood); }
.kb-hero .kb-btn-outline { background: transparent; color: var(--kb-gold-light); border-color: var(--kb-gold-light); }
.kb-hero .kb-btn-outline:hover { background: var(--kb-gold-light); color: var(--kb-oxblood); }

/* ── Section ── */
.kb-section {
  padding: 80px 0;
  position: relative;
}

.kb-section-title {
  text-align: center;
  margin-bottom: 56px;
}

.kb-section-title h2 { margin-bottom: 8px; }
.kb-section-title p { color: var(--kb-stone); max-width: 640px; margin: 0 auto; font-size: 17px; }

/* ── Grid ── */
.kb-grid { display: grid; gap: 24px; }
.kb-grid-2 { grid-template-columns: repeat(2, 1fr); }
.kb-grid-3 { grid-template-columns: repeat(3, 1fr); }
.kb-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 968px) {
  .kb-grid-2, .kb-grid-3, .kb-grid-4 { grid-template-columns: 1fr; }
}

@media (min-width: 600px) and (max-width: 968px) {
  .kb-grid-3, .kb-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* ── Stats ── */
.kb-stat {
  background: var(--kb-oxblood);
  color: var(--kb-cream);
  padding: 24px;
  border-radius: var(--kb-radius);
  text-align: center;
  border: 1px solid var(--kb-gold);
}

.kb-stat-value {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--kb-gold);
  line-height: 1.1;
}

.kb-stat-label {
  font-size: 13px;
  color: rgba(243, 233, 210, 0.85);
  margin-top: 6px;
  letter-spacing: 0.5px;
}

/* ── Pillars / USPs ── */
.kb-pillar {
  background: var(--kb-white);
  border: 1px solid var(--kb-gold);
  border-top: 4px solid var(--kb-gold);
  border-radius: var(--kb-radius);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s;
}

.kb-pillar:hover {
  border-top-color: var(--kb-oxblood);
  transform: translateY(-4px);
  box-shadow: var(--kb-shadow-lg);
}

.kb-pillar-icon {
  width: 72px;
  height: 72px;
  background: var(--kb-cream);
  border: 2px solid var(--kb-gold);
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--kb-oxblood);
}

.kb-pillar h3 { color: var(--kb-oxblood); margin-bottom: 8px; }
.kb-pillar p { color: var(--kb-bronze); font-size: 14.5px; margin: 0; }

/* ── Footer ── */
.kb-footer {
  background: var(--kb-oxblood);
  color: var(--kb-cream);
  padding: 60px 24px 32px;
  border-top: 6px solid var(--kb-gold);
}

.kb-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.kb-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

@media (max-width: 768px) {
  .kb-footer-grid { grid-template-columns: 1fr; }
}

.kb-footer h4 {
  color: var(--kb-gold);
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-family: 'IBM Plex Sans Thai', sans-serif;
}

.kb-footer ul { list-style: none; padding: 0; margin: 0; }
.kb-footer li {
  margin-bottom: 8px;
  font-family: 'IBM Plex Sans Thai', 'Inter', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(243, 233, 210, 0.8);
}
.kb-footer a {
  color: rgba(243, 233, 210, 0.8);
  font-size: 14px;
  border-bottom: none;
}
.kb-footer a:hover { color: var(--kb-gold); }

.kb-footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.kb-footer-brand img,
.kb-footer-brand svg { height: 73px; width: auto; }

.kb-footer-brand-text strong {
  color: var(--kb-gold);
  font-family: 'Noto Serif Thai', serif;
  font-size: 22px;
  display: block;
}

.kb-footer-brand-text span {
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  letter-spacing: 4px;
  color: rgba(243, 233, 210, 0.7);
  text-transform: uppercase;
}

.kb-footer-bottom {
  border-top: 1px solid rgba(195, 154, 64, 0.3);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: rgba(243, 233, 210, 0.6);
}

/* ── Breadcrumb ── */
.kb-breadcrumb {
  padding: 20px 0;
  font-size: 13px;
  color: var(--kb-stone);
}

.kb-breadcrumb a { color: var(--kb-bronze); }
.kb-breadcrumb a:hover { color: var(--kb-oxblood); }
.kb-breadcrumb span { margin: 0 8px; color: var(--kb-gold); }

/* ── Page hero (smaller than home hero) ── */
.kb-page-hero {
  background: linear-gradient(135deg, var(--kb-oxblood) 0%, var(--kb-oxblood-deep) 100%);
  color: var(--kb-cream);
  padding: 64px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-bottom: 4px solid var(--kb-gold);
}

.kb-page-hero h1 { color: var(--kb-gold-light); margin-bottom: 8px; }
.kb-page-hero p { color: rgba(243, 233, 210, 0.85); max-width: 640px; margin: 0 auto; }

.kb-page-hero::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--kb-gold) 0%, transparent 70%);
  opacity: 0.1;
  border-radius: 50%;
}

/* ── Trust banner ── */
.kb-trust-banner {
  background: var(--kb-jade);
  color: var(--kb-cream);
  padding: 14px 24px;
  text-align: center;
  font-size: 14px;
  letter-spacing: 0.5px;
}

.kb-trust-banner strong { color: var(--kb-gold-light); }

/* ── Product card ── */
.kb-product-card {
  background: var(--kb-white);
  border: 1px solid var(--kb-gold);
  border-radius: var(--kb-radius);
  overflow: hidden;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}

.kb-product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--kb-shadow-lg);
}

.kb-product-card-img {
  aspect-ratio: 4/3;
  background: var(--kb-parchment);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--kb-gold-deep);
  font-size: 48px;
  border-bottom: 1px solid var(--kb-parchment);
}

.kb-product-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.kb-product-card-body h3 { font-size: 17px; margin-bottom: 6px; }
.kb-product-card-meta { font-size: 12px; color: var(--kb-stone); margin-bottom: 10px; }
.kb-product-card-price {
  font-family: 'JetBrains Mono', monospace;
  color: var(--kb-oxblood);
  font-weight: 700;
  margin-top: auto;
  padding-top: 12px;
  font-size: 16px;
}

/* ── Decorative Chinese frame corners ── */
.kb-corner-frame {
  position: relative;
  padding: 32px;
}

.kb-corner-frame::before,
.kb-corner-frame::after {
  cont