/* ============================================================
   HOLYCOME — front-end styles
   Mobile-first. No frameworks. No external fonts.
   ============================================================ */

:root {
  --ivory: #faf7f2;
  --paper: #ffffff;
  --charcoal: #22201d;
  --ink: #2c2925;
  --muted: #7a746b;
  --line: #e8e1d6;
  --gold: #b08d57;
  --gold-bright: #c9a96a;
  --gold-dark: #8f6f3e;
  --soft: #f2ece2;
  --danger: #b3402f;
  --success: #3d7a4e;
  --shadow: 0 6px 24px rgba(34, 32, 29, 0.08);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--ivory);
  color: var(--ink);
  line-height: 1.65;
  font-size: 16px;
}

img { max-width: 100%; display: block; height: auto; }

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--gold-dark); }

h1, h2, h3 { line-height: 1.25; color: var(--charcoal); font-weight: 600; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 18px;
}
.container-narrow { max-width: 760px; }
.center { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 2px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.btn-lg { padding: 15px 34px; font-size: 16px; }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: var(--gold-dark); color: #fff; }
.btn-outline { background: transparent; color: var(--charcoal); border-color: var(--charcoal); }
.btn-outline:hover { background: var(--charcoal); color: #fff; }
.btn-ghost { background: rgba(255, 255, 255, 0.12); color: #fff; border-color: rgba(255, 255, 255, 0.6); }
.btn-ghost:hover { background: #fff; color: var(--charcoal); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 242, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 64px;
  flex-wrap: wrap;
  padding-top: 8px;
  padding-bottom: 8px;
}
.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  margin-right: auto;
}
.brand-name {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--charcoal);
}
.brand-slogan {
  font-size: 11px;
  color: var(--gold-dark);
  letter-spacing: 0.08em;
}

.lang-switch {
  display: flex;
  gap: 8px;
  font-size: 13px;
}
.lang-switch a {
  padding: 4px 8px;
  border-radius: 2px;
  color: var(--muted);
}
.lang-switch a.active { color: var(--charcoal); font-weight: 600; border-bottom: 2px solid var(--gold); }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--charcoal);
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.site-nav { display: none; flex-basis: 100%; order: 3; }
.site-nav.nav-open { display: block; }

.nav-list { list-style: none; }
.nav-list > li { border-top: 1px solid var(--line); }
.nav-list a {
  display: block;
  padding: 13px 4px;
  font-weight: 500;
}
.nav-list a.active { color: var(--gold-dark); }

.shop-link { display: flex; justify-content: space-between; align-items: center; }
.caret {
  display: inline-block;
  width: 8px; height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s;
}
.has-sub.sub-open .caret { transform: rotate(225deg); }
.sub-nav {
  list-style: none;
  display: none;
  background: var(--soft);
  padding: 4px 14px;
}
.has-sub.sub-open .sub-nav { display: block; }
.sub-nav a { padding: 10px 4px; font-size: 14px; color: var(--muted); }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { padding-top: 14px; font-size: 13px; color: var(--muted); }
.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.breadcrumbs li + li::before { content: "/"; margin-right: 6px; color: var(--line); }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--gold-dark); }
.breadcrumbs [aria-current="page"] { color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  background:
    linear-gradient(rgba(34, 32, 29, 0.62), rgba(34, 32, 29, 0.72)),
    url('/assets/images/hero/hero-custom.jpg') center/cover no-repeat,
    linear-gradient(135deg, #3a342c 0%, #6d5a3e 60%, #b08d57 100%);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}
.hero h1 { color: #fff; font-size: 34px; margin-bottom: 14px; letter-spacing: 0.01em; }
.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--gold-bright);
  margin-bottom: 18px;
}
.hero-sub { font-size: 17px; color: #eadfce; max-width: 620px; margin: 0 auto 28px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-sm { padding: 56px 0; }

/* ---------- Stats bar ---------- */
.stats-bar { background: var(--charcoal); color: #fff; padding: 26px 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  text-align: center;
}
.stat-num { font-size: 28px; font-weight: 700; color: var(--gold-bright); }
.stat-label { font-size: 13px; color: #cfc8bc; margin-top: 4px; }
.stats-inline { margin-top: 36px; }
.stats-inline .stat-num { color: var(--gold-dark); }
.stats-inline .stat-label { color: var(--muted); }

/* ---------- Sections ---------- */
.section { padding: 56px 0; }
.section-alt { background: var(--paper); }
.section-title { font-size: 26px; margin-bottom: 10px; text-align: center; }
.section-sub { text-align: center; color: var(--muted); max-width: 640px; margin: 0 auto 30px; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}
.section-head .section-title { text-align: left; margin-bottom: 0; }
.view-all { font-size: 14px; color: var(--gold-dark); font-weight: 600; }

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--gold-dark);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.about-h2 { font-size: 26px; margin-bottom: 18px; }

/* ---------- Category cards ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.cat-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}
.cat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.cat-thumb {
  background: var(--soft);
  padding: 26px;
  display: flex;
  justify-content: center;
}
.cat-thumb svg { width: 80px; height: 80px; }
.cat-body { padding: 18px; }
.cat-body h3 { font-size: 18px; margin-bottom: 8px; }
.cat-body p { font-size: 14px; color: var(--muted); margin-bottom: 10px; }
.cat-count { font-size: 12px; color: var(--gold-dark); font-weight: 600; }
.cat-cta { display: block; margin-top: 6px; font-size: 13px; font-weight: 600; }

/* ---------- Product grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.product-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}
.product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.product-img {
  position: relative;
  background: var(--soft);
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.product-photo { width: 100%; height: 100%; object-fit: cover; }
.product-cat {
  position: absolute;
  top: 10px; left: 10px;
  background: rgba(34, 32, 29, 0.75);
  color: #fff;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 2px;
  letter-spacing: 0.05em;
}
.product-info { padding: 14px 16px 18px; display: flex; flex-direction: column; gap: 4px; }
.product-info h3 { font-size: 16px; }
.product-sub { font-size: 13px; color: var(--muted); }
.product-price { font-size: 15px; font-weight: 600; color: var(--gold-dark); margin-top: 4px; }
.product-link { font-size: 13px; font-weight: 600; color: var(--charcoal); margin-top: 6px; }

/* ---------- Feature grid ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 30px;
}
.feature {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 26px 22px;
}
.feature-icon { font-size: 30px; margin-bottom: 12px; }
.feature h3 { font-size: 17px; margin-bottom: 8px; }
.feature p { font-size: 14px; color: var(--muted); }

/* ---------- Compare table ---------- */
.compare-wrap { overflow-x: auto; margin-top: 26px; }
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  min-width: 560px;
}
.compare-table th, .compare-table td {
  padding: 14px 16px;
  border: 1px solid var(--line);
  text-align: left;
  font-size: 14px;
}
.compare-table thead th { background: var(--soft); }
.compare-table .win { background: #f6efe2; font-weight: 600; color: var(--gold-dark); }

/* ---------- Steps ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 22px;
  margin-top: 30px;
}
.step {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 24px 20px;
}
.step-num {
  display: inline-flex;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--gold);
  color: #fff;
  font-weight: 700;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}
.step h3 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--muted); }
.steps-detailed { margin-top: 0; }

/* ---------- Article cards ---------- */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.article-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}
.article-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.article-thumb { aspect-ratio: 16 / 10; background: var(--soft); overflow: hidden; }
.article-photo { width: 100%; height: 100%; object-fit: cover; }
.article-body { padding: 16px 18px 20px; display: flex; flex-direction: column; gap: 8px; }
.article-cat {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold-dark);
  text-transform: uppercase;
  font-weight: 600;
}
.article-body h3 { font-size: 17px; }
.article-excerpt { font-size: 14px; color: var(--muted); }
.article-meta { font-size: 12px; color: var(--muted); }
.article-more { font-size: 13px; font-weight: 600; color: var(--charcoal); }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, #2c2925 0%, #5c4a2e 100%);
  color: #fff;
  padding: 60px 0;
}
.cta-band h2 { color: #fff; font-size: 26px; margin-bottom: 10px; }
.cta-band p { color: #d8cfbf; margin-bottom: 24px; }

/* ---------- Page head / empty ---------- */
.page-head { margin-bottom: 30px; }
.page-title { font-size: 30px; margin-bottom: 10px; }
.page-intro { color: var(--muted); max-width: 720px; }
.page-intro p + p { margin-top: 10px; }
.product-count { font-size: 13px; color: var(--muted); margin-top: 6px; }
.empty-state {
  text-align: center;
  padding: 60px 20px;
  background: var(--paper);
  border: 1px dashed var(--line);
  border-radius: 4px;
}
.empty-state p { margin-bottom: 20px; color: var(--muted); }

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 40px;
}
.page-link {
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-size: 14px;
  border-radius: 2px;
}
.page-link:hover { border-color: var(--gold); color: var(--gold-dark); }
.page-link.current { background: var(--gold); color: #fff; border-color: var(--gold); }
.page-link.disabled { color: var(--muted); opacity: 0.6; pointer-events: none; }

/* ---------- Product detail ---------- */
.product-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}
.gallery-main {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
  gap: 8px;
  margin-top: 10px;
}
.thumb {
  padding: 0;
  border: 2px solid var(--line);
  background: var(--soft);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1 / 1;
}
.thumb.active { border-color: var(--gold); }
.thumb-img { width: 100%; height: 100%; object-fit: cover; }

.product-category { font-size: 13px; color: var(--gold-dark); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.product-title { font-size: 26px; margin: 6px 0 6px; }
.product-subtitle { color: var(--muted); margin-bottom: 14px; }
.product-price-big { font-size: 24px; font-weight: 700; color: var(--gold-dark); margin-bottom: 16px; }
.selling-points { list-style: none; margin-bottom: 20px; }
.selling-points li {
  padding-left: 22px;
  position: relative;
  margin-bottom: 6px;
  font-size: 14px;
}
.selling-points li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

.spec-table, .tier-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  margin-bottom: 22px;
}
.spec-table th, .spec-table td,
.tier-table th, .tier-table td {
  padding: 10px 14px;
  border: 1px solid var(--line);
  text-align: left;
  font-size: 14px;
}
.spec-table th { width: 40%; color: var(--muted); font-weight: 500; background: var(--soft); }
.tier-table thead th { background: var(--charcoal); color: #fff; font-weight: 600; }
.table-title { font-size: 17px; margin: 18px 0 10px; }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 10px 0 20px; }
.product-description { margin-top: 10px; }
.product-description p + p { margin-top: 10px; color: var(--muted); }
.related { margin-top: 50px; }
.related .section-title { text-align: left; margin-bottom: 20px; }

/* ---------- Article tabs ---------- */
.article-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 30px;
}
.article-tab {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--paper);
  font-size: 14px;
}
.article-tab.active { background: var(--charcoal); color: #fff; border-color: var(--charcoal); }
.tab-count { font-size: 12px; color: var(--muted); margin-left: 4px; }
.article-tab.active .tab-count { color: var(--gold-bright); }

/* ---------- Article page ---------- */
.article-page { max-width: 820px; margin: 0 auto; }
.article-header { margin-bottom: 26px; }
.article-title { font-size: 30px; margin: 10px 0; }
.article-meta-line { color: var(--muted); font-size: 14px; }
.article-hero-img { margin-top: 22px; border-radius: 4px; overflow: hidden; aspect-ratio: 16 / 9; }
.article-hero-photo { width: 100%; height: 100%; object-fit: cover; }

.article-content { font-size: 16px; }
.article-content h2 { font-size: 22px; margin: 28px 0 12px; }
.article-content h3 { font-size: 18px; margin: 22px 0 10px; }
.article-content p { margin-bottom: 14px; }
.article-content ul, .article-content ol { margin: 0 0 14px 22px; }
.article-content li { margin-bottom: 6px; }
.article-content blockquote {
  border-left: 3px solid var(--gold);
  padding: 10px 18px;
  margin: 18px 0;
  background: var(--soft);
  color: var(--muted);
  font-style: italic;
}
.article-content img { border-radius: 4px; margin: 16px 0; }
.related-articles { margin-top: 50px; }
.related-articles .section-title { text-align: left; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: center;
}
.about-rich p + p { margin-top: 12px; color: var(--muted); }
.about-factory-img { border-radius: 4px; overflow: hidden; aspect-ratio: 4 / 3; }
.factory-photo { width: 100%; height: 100%; object-fit: cover; }

.trust-badges {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.trust-badge {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 20px;
  background: var(--paper);
}
.trust-badge-name { display: block; font-weight: 700; margin-bottom: 6px; color: var(--charcoal); }
.trust-badge-desc { font-size: 13px; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq-list { margin-top: 20px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  margin-bottom: 10px;
  padding: 0 18px;
}
.faq-item summary {
  cursor: pointer;
  padding: 16px 0;
  font-weight: 600;
  list-style: none;
  position: relative;
  padding-right: 30px;
}
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--gold);
}
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { padding: 0 0 18px; color: var(--muted); font-size: 14px; }

/* ---------- Form ---------- */
.custom-form { margin-top: 24px; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 26px; }
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 16px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font: inherit;
  background: var(--ivory);
}
.form-control:focus { outline: 2px solid var(--gold-bright); border-color: var(--gold); }
textarea.form-control { resize: vertical; }

.alert { padding: 16px 20px; border-radius: 4px; margin: 16px 0; }
.alert-success { background: #e8f2ea; color: var(--success); border: 1px solid #bcd8c2; }
.alert-error { background: #f9e9e6; color: var(--danger); border: 1px solid #ecc0b8; }

/* ---------- Error page ---------- */
.error-page { padding: 100px 0; }
.error-code { font-size: 90px; color: var(--gold-bright); line-height: 1; margin-bottom: 10px; }
.error-text { color: var(--muted); margin-bottom: 26px; }

/* ---------- Footer ---------- */
.site-footer {
  background: #1c1a17;
  color: #b9b2a6;
  padding: 50px 0 0;
  margin-top: 0;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-bottom: 36px;
}
.footer-col h4 {
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.footer-col a {
  display: block;
  color: #b9b2a6;
  padding: 4px 0;
}
.footer-col a:hover { color: var(--gold-bright); }
.footer-logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: #fff;
  margin-bottom: 10px;
}
.footer-about p { line-height: 1.7; }
.footer-lang { display: flex; gap: 12px; margin-top: 14px; }
.footer-lang a.active { color: var(--gold-bright); }
.footer-bottom {
  border-top: 1px solid #33302a;
  padding: 18px 18px;
  font-size: 13px;
  color: #8a8378;
}

/* ============================================================
   Tablet & desktop
   ============================================================ */
@media (min-width: 720px) {
  .hero h1 { font-size: 44px; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .form-row { grid-template-columns: 1fr 1fr; }
  .product-detail { grid-template-columns: 1.1fr 1fr; align-items: start; }
  .about-grid { grid-template-columns: 1.2fr 1fr; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}

@media (min-width: 960px) {
  .nav-toggle { display: none; }
  .site-nav { display: block; flex-basis: auto; order: 0; }
  .nav-list { display: flex; gap: 26px; align-items: center; }
  .nav-list > li { border-top: none; position: relative; }
  .nav-list a { padding: 8px 2px; }

  .sub-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: -12px;
    min-width: 220px;
    background: var(--paper);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: 8px 0;
    z-index: 50;
  }
  .has-sub:hover .sub-nav,
  .has-sub.sub-open .sub-nav { display: block; }
  .sub-nav a { padding: 9px 18px; }
  .caret { margin-left: 6px; }

  .lang-switch { order: 2; }
  .hero { padding: 110px 0; }
  .hero h1 { font-size: 52px; }
}