/* ==========================================================================
   Haolu Trading (HK) Limited - chinasourcingstation.com
   Design system / single compiled stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  /* brand palette - taken from the HL logo mark */
  --c-brand: #2c5aa0;
  --c-brand-dark: #1d3f75;
  --c-brand-darker: #142d55;
  --c-brand-light: #5b86c9;
  --c-brand-pale: #eaf0fa;
  --c-accent: #d98014;
  --c-accent-dark: #b3670c;
  --c-wa: #25a366;
  --c-wa-dark: #1c8250;

  /* neutrals */
  --c-ink: #14202f;
  --c-body: #3d4b5c;
  --c-muted: #6b7a8d;
  --c-line: #dfe5ed;
  --c-line-soft: #eef2f7;
  --c-surface: #ffffff;
  --c-surface-alt: #f5f8fc;
  --c-surface-deep: #eef3f9;

  /* type scale */
  --f-sans: "Segoe UI", "Helvetica Neue", Arial, "Liberation Sans", "DejaVu Sans", sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.8125rem;
  --fs-base: 0.9375rem;
  --fs-md: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.3125rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 1.875rem;
  --fs-4xl: 2.25rem;
  --fs-5xl: 2.875rem;
  --lh-tight: 1.18;
  --lh-snug: 1.35;
  --lh-base: 1.68;
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semi: 600;
  --fw-bold: 700;
  --ls-wide: 0.06em;
  --ls-wider: 0.12em;

  /* spacing scale */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-7: 32px;
  --s-8: 40px;
  --s-9: 56px;
  --s-10: 72px;
  --s-11: 96px;

  /* radii + shadow */
  --r-sm: 3px;
  --r-md: 6px;
  --r-lg: 10px;
  --r-pill: 999px;
  --sh-sm: 0 1px 2px rgba(20, 32, 47, .07);
  --sh-md: 0 2px 10px rgba(20, 32, 47, .08);
  --sh-lg: 0 10px 32px rgba(20, 32, 47, .12);
  --sh-nav: 0 12px 34px rgba(20, 32, 47, .16);

  /* layout */
  --w-page: 1200px;
  --w-narrow: 780px;
  --h-header: 72px;
  --t-fast: .16s ease;
  --t-base: .24s ease;
}

/* --------------------------------------------------------------------------
   2. Reset / base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--f-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--c-body);
  background: var(--c-surface);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: var(--c-brand); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--c-brand-dark); }
h1, h2, h3, h4, h5 {
  margin: 0 0 var(--s-4);
  color: var(--c-ink);
  line-height: var(--lh-tight);
  font-weight: var(--fw-bold);
  letter-spacing: -.012em;
}
h1 { font-size: var(--fs-4xl); }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }
p { margin: 0 0 var(--s-4); }
ul, ol { margin: 0 0 var(--s-4); padding-left: 1.15rem; }
li { margin-bottom: var(--s-2); }
table { border-collapse: collapse; width: 100%; }
hr { border: 0; border-top: 1px solid var(--c-line); margin: var(--s-8) 0; }
:focus-visible { outline: 3px solid var(--c-brand-light); outline-offset: 2px; }

/* --------------------------------------------------------------------------
   3. Layout helpers
   -------------------------------------------------------------------------- */
.wrap { width: 100%; max-width: var(--w-page); margin: 0 auto; padding: 0 var(--s-5); }
.narrow { max-width: var(--w-narrow); margin-left: auto; margin-right: auto; }
.section { padding: var(--s-10) 0; }
.section--tight { padding: var(--s-9) 0; }
.section--alt { background: var(--c-surface-alt); }
.section--deep { background: var(--c-brand-darker); color: #cfdaea; }
.section--deep h2, .section--deep h3 { color: #fff; }
.center { text-align: center; }
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--c-brand); color: #fff; padding: var(--s-3) var(--s-5);
}
.skip-link:focus { left: 0; color: #fff; }

.sec-head { max-width: 760px; margin: 0 auto var(--s-8); text-align: center; }
.sec-head p { color: var(--c-muted); margin-bottom: 0; font-size: var(--fs-md); }
.eyebrow {
  display: block; margin-bottom: var(--s-3);
  font-size: var(--fs-xs); font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wider); text-transform: uppercase; color: var(--c-brand);
}
.section--deep .eyebrow { color: var(--c-brand-light); }

.grid { display: grid; gap: var(--s-6); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  padding: 13px var(--s-6);
  font-size: var(--fs-base); font-weight: var(--fw-semi); line-height: 1.2;
  border: 1px solid transparent; border-radius: var(--r-md);
  cursor: pointer; text-align: center;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 17px; height: 17px; flex: none; fill: currentColor; }
.btn--primary { background: var(--c-brand); color: #fff; }
.btn--primary:hover { background: var(--c-brand-dark); color: #fff; }
.btn--accent { background: var(--c-accent); color: #fff; }
.btn--accent:hover { background: var(--c-accent-dark); color: #fff; }
.btn--wa { background: var(--c-wa); color: #fff; }
.btn--wa:hover { background: var(--c-wa-dark); color: #fff; }
.btn--ghost { background: transparent; color: var(--c-brand); border-color: var(--c-line); }
.btn--ghost:hover { background: var(--c-brand-pale); border-color: var(--c-brand-light); }
.btn--light { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.5); }
.btn--light:hover { background: #fff; color: var(--c-brand-dark); }
.btn--sm { padding: 9px var(--s-4); font-size: var(--fs-sm); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-3); }
.btn-row--center { justify-content: center; }

/* --------------------------------------------------------------------------
   5. Header + mega menu
   -------------------------------------------------------------------------- */
.topbar {
  background: var(--c-brand-darker); color: #b9c8de;
  font-size: var(--fs-xs); letter-spacing: .02em;
}
.topbar .wrap { display: flex; flex-wrap: wrap; gap: var(--s-4); align-items: center; justify-content: space-between; min-height: 34px; }
.topbar a { color: #dfe8f4; }
.topbar a:hover { color: #fff; }
.topbar-list { display: flex; flex-wrap: wrap; gap: var(--s-4); margin: 0; padding: 0; list-style: none; }
.topbar-list li { margin: 0; }

.site-header {
  position: sticky; top: 0; z-index: 60;
  background: #fff; border-bottom: 1px solid var(--c-line);
  box-shadow: var(--sh-sm);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--s-5); min-height: var(--h-header); }
.brand { display: flex; align-items: center; gap: var(--s-3); }
.brand img { height: 46px; width: auto; }
.brand-name { font-size: var(--fs-md); font-weight: var(--fw-bold); color: var(--c-brand-darker); line-height: 1.15; letter-spacing: -.01em; }
.brand-sub { display: block; font-size: 10.5px; font-weight: var(--fw-semi); letter-spacing: var(--ls-wide); text-transform: uppercase; color: var(--c-muted); }

.nav-toggle {
  display: none; align-items: center; gap: var(--s-2);
  background: var(--c-brand); color: #fff; border: 0; border-radius: var(--r-md);
  padding: 10px var(--s-4); font-size: var(--fs-sm); font-weight: var(--fw-semi); cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: #fff; box-shadow: 0 5px 0 #fff, 0 -5px 0 #fff; }

.nav { display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: var(--s-1); margin: 0; padding: 0; list-style: none; }
.nav-list > li { margin: 0; position: relative; }
.nav-list > li > a {
  display: block; padding: 26px var(--s-4);
  font-size: var(--fs-base); font-weight: var(--fw-semi); color: var(--c-ink);
  border-bottom: 3px solid transparent;
}
.nav-list > li > a:hover,
.nav-list > li.is-current > a { color: var(--c-brand); border-bottom-color: var(--c-brand); }
.nav-cta { margin-left: var(--s-3); }

/* mega menu - CSS only, opens on hover and on keyboard focus */
.has-mega { position: static; }
.mega {
  position: absolute; left: 0; right: 0; top: 100%;
  background: #fff; border-top: 1px solid var(--c-line);
  box-shadow: var(--sh-nav);
  opacity: 0; visibility: hidden; transform: translateY(-6px); max-width: 100vw; overflow: hidden;
  transition: opacity var(--t-base), transform var(--t-base), visibility var(--t-base);
  z-index: 70;
}
.has-mega:hover .mega,
.has-mega:focus-within .mega { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-inner { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: var(--s-8); padding: var(--s-7) var(--s-5) var(--s-8); }
.mega-cols { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-5) var(--s-6); }
.mega-col h4 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: var(--ls-wide); color: var(--c-brand-darker); margin-bottom: var(--s-3); }
.mega-col ul { list-style: none; margin: 0; padding: 0; }
.mega-col li { margin-bottom: 5px; }
.mega-col a { font-size: var(--fs-sm); color: var(--c-body); overflow-wrap: anywhere; }
.mega-col a:hover { color: var(--c-brand); }
.mega-feature { border-left: 1px solid var(--c-line-soft); padding-left: var(--s-7); }
.mega-thumbs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-3); margin-bottom: var(--s-4); }
.mega-thumbs a { display: block; border: 1px solid var(--c-line); border-radius: var(--r-sm); overflow: hidden; background: #fff; }
.mega-thumbs img { aspect-ratio: 4 / 3; object-fit: contain; padding: 4px; }
.mega-note { font-size: var(--fs-sm); color: var(--c-muted); margin-bottom: var(--s-4); }

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero { position: relative; background: var(--c-brand-darker); color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(16,34,62,.94) 0%, rgba(20,45,85,.9) 42%, rgba(24,55,102,.62) 100%);
}
.hero-inner { position: relative; padding: var(--s-11) 0 var(--s-10); max-width: 760px; }
.hero h1 { color: #fff; font-size: var(--fs-5xl); margin-bottom: var(--s-5); }
.hero-lead { font-size: var(--fs-lg); color: #d5e0f0; margin-bottom: var(--s-7); }
.hero .eyebrow { color: #8fb2e8; }
.hero-points { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-4) var(--s-6); list-style: none; margin: 0 0 var(--s-8); padding: 0; }
.hero-points li { margin: 0; padding-left: var(--s-6); position: relative; font-size: var(--fs-base); color: #e2eaf6; }
.hero-points li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 9px; height: 9px; border-radius: 2px; background: var(--c-accent);
}
.hero-points strong { display: block; color: #fff; font-weight: var(--fw-semi); }

.value-strip { background: var(--c-brand-dark); color: #fff; }
.value-strip .wrap { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-6); padding-top: var(--s-6); padding-bottom: var(--s-6); }
.value-strip h3 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: var(--ls-wide); color: #9fbcea; margin-bottom: 6px; }
.value-strip p { margin: 0; color: #eef3fa; font-size: var(--fs-base); line-height: var(--lh-snug); }

/* --------------------------------------------------------------------------
   7. Page hero (inner pages)
   -------------------------------------------------------------------------- */
.page-hero { background: linear-gradient(120deg, var(--c-brand-darker), var(--c-brand)); color: #fff; padding: var(--s-9) 0 var(--s-8); }
.page-hero h1 { color: #fff; margin-bottom: var(--s-3); }
.page-hero p { color: #d3dff0; max-width: 720px; margin-bottom: 0; font-size: var(--fs-md); }
.crumbs { font-size: var(--fs-sm); color: #a9c0e2; margin-bottom: var(--s-4); }
.crumbs a { color: #dbe6f6; }
.crumbs a:hover { color: #fff; }
.crumbs span { padding: 0 6px; opacity: .6; }

/* --------------------------------------------------------------------------
   8. Cards
   -------------------------------------------------------------------------- */
.card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: box-shadow var(--t-base), border-color var(--t-base), transform var(--t-base);
}
.card:hover { box-shadow: var(--sh-lg); border-color: var(--c-brand-light); transform: translateY(-3px); }
.card-media { background: #fff; border-bottom: 1px solid var(--c-line-soft); }
.card-media img { aspect-ratio: 4 / 3; width: 100%; object-fit: contain; }
.card-body { padding: var(--s-5); flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: var(--fs-md); margin-bottom: 6px; }
.card-body h3 a { color: var(--c-ink); }
.card-body h3 a:hover { color: var(--c-brand); }
.card-tag { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: var(--ls-wide); color: var(--c-muted); margin-bottom: var(--s-2); }
.card-body p { font-size: var(--fs-sm); color: var(--c-muted); margin-bottom: var(--s-4); }
.card-link { margin-top: auto; font-size: var(--fs-sm); font-weight: var(--fw-semi); }
.card-link::after { content: " \2192"; }

.cat-card { padding: var(--s-6); background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg); transition: box-shadow var(--t-base), border-color var(--t-base); }
.cat-card:hover { box-shadow: var(--sh-md); border-color: var(--c-brand-light); }
.cat-card h3 { font-size: var(--fs-lg); margin-bottom: var(--s-2); }
.cat-card h3 a { color: var(--c-ink); }
.cat-card ul { list-style: none; margin: 0 0 var(--s-4); padding: 0; }
.cat-card li { font-size: var(--fs-sm); color: var(--c-muted); margin-bottom: 3px; }

/* --------------------------------------------------------------------------
   9. Feature blocks / process
   -------------------------------------------------------------------------- */
.feature { background: #fff; border: 1px solid var(--c-line); border-left: 3px solid var(--c-brand); border-radius: var(--r-md); padding: var(--s-6); }
.feature h3 { font-size: var(--fs-md); margin-bottom: var(--s-2); }
.feature p { font-size: var(--fs-sm); color: var(--c-muted); margin-bottom: 0; }

.steps { counter-reset: step; list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-4); }
.step {
  position: relative; margin: 0; padding: var(--s-5) var(--s-6) var(--s-5) var(--s-11);
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md);
  opacity: 0; transform: translateY(14px);
  animation: rise .5s ease forwards;
}
.step:nth-child(1) { animation-delay: .02s; }
.step:nth-child(2) { animation-delay: .08s; }
.step:nth-child(3) { animation-delay: .14s; }
.step:nth-child(4) { animation-delay: .2s; }
.step:nth-child(5) { animation-delay: .26s; }
.step:nth-child(6) { animation-delay: .32s; }
.step:nth-child(7) { animation-delay: .38s; }
.step:nth-child(8) { animation-delay: .44s; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; left: var(--s-6); top: var(--s-5);
  font-size: var(--fs-lg); font-weight: var(--fw-bold); color: var(--c-brand-light);
}
.step h3 { font-size: var(--fs-md); margin-bottom: 4px; }
.step p { margin: 0; font-size: var(--fs-sm); color: var(--c-muted); }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }

.flow { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: stretch; }
.flow-node {
  flex: 1 1 150px; padding: var(--s-4) var(--s-5);
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md);
  font-size: var(--fs-sm); font-weight: var(--fw-semi); color: var(--c-ink);
  position: relative; text-align: center;
}
.flow-node small { display: block; font-weight: var(--fw-normal); color: var(--c-muted); margin-top: 3px; }

/* --------------------------------------------------------------------------
   10. Product detail
   -------------------------------------------------------------------------- */
.product-top { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: var(--s-9); align-items: start; }
.gallery-main {
  border: 1px solid var(--c-line); border-radius: var(--r-lg); background: #fff;
  padding: var(--s-5); margin-bottom: var(--s-4);
}
.gallery-main img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.gallery-thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(86px, 1fr)); gap: var(--s-3); }
.gallery-thumbs img { border: 1px solid var(--c-line); border-radius: var(--r-sm); aspect-ratio: 1 / 1; object-fit: contain; background: #fff; padding: 4px; }
.product-meta { list-style: none; margin: 0 0 var(--s-6); padding: 0; border-top: 1px solid var(--c-line); }
.product-meta li { display: flex; gap: var(--s-4); margin: 0; padding: 11px 0; border-bottom: 1px solid var(--c-line); font-size: var(--fs-base); }
.product-meta strong { flex: 0 0 150px; color: var(--c-ink); font-weight: var(--fw-semi); }

.spec-table { font-size: var(--fs-base); border: 1px solid var(--c-line); border-radius: var(--r-md); overflow: hidden; }
.spec-table th, .spec-table td { padding: 11px var(--s-4); text-align: left; border-bottom: 1px solid var(--c-line); vertical-align: top; }
.spec-table th { background: var(--c-surface-alt); color: var(--c-ink); font-weight: var(--fw-semi); width: 34%; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table caption { caption-side: top; text-align: left; padding: 0 0 var(--s-3); font-weight: var(--fw-semi); color: var(--c-ink); }
.table-scroll { overflow-x: auto; }

.note {
  background: var(--c-brand-pale); border-left: 3px solid var(--c-brand);
  border-radius: var(--r-sm); padding: var(--s-4) var(--s-5);
  font-size: var(--fs-sm); color: var(--c-body);
}
.note p:last-child { margin-bottom: 0; }

.detail-shots { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-4); }
.detail-shots figure { margin: 0; border: 1px solid var(--c-line); border-radius: var(--r-md); overflow: hidden; background: #fff; }
.detail-shots img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; padding: var(--s-3); }
.detail-shots figcaption { font-size: var(--fs-xs); color: var(--c-muted); padding: 0 var(--s-3) var(--s-3); }

/* --------------------------------------------------------------------------
   11. FAQ
   -------------------------------------------------------------------------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq details {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md);
  margin-bottom: var(--s-3); overflow: hidden;
}
.faq details[open] { border-color: var(--c-brand-light); box-shadow: var(--sh-sm); }
.faq summary {
  cursor: pointer; list-style: none; padding: var(--s-5) var(--s-9) var(--s-5) var(--s-5);
  font-weight: var(--fw-semi); color: var(--c-ink); position: relative; font-size: var(--fs-md);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: var(--s-5); top: 50%; transform: translateY(-50%);
  font-size: var(--fs-xl); font-weight: var(--fw-normal); color: var(--c-brand); line-height: 1;
}
.faq details[open] summary::after { content: "\2013"; }
.faq .faq-body { padding: 0 var(--s-5) var(--s-5); font-size: var(--fs-base); color: var(--c-body); }
.faq .faq-body p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------------------
   12. CTA band + contact
   -------------------------------------------------------------------------- */
.cta-band { background: linear-gradient(120deg, var(--c-brand-dark), var(--c-brand)); color: #fff; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #dbe5f4; max-width: 640px; margin: 0 auto var(--s-7); font-size: var(--fs-md); }

.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--s-8); }
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li { display: flex; gap: var(--s-4); padding: var(--s-4) 0; border-bottom: 1px solid var(--c-line); margin: 0; }
.contact-list strong { flex: 0 0 118px; color: var(--c-ink); font-weight: var(--fw-semi); font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .04em; }
.contact-list span, .contact-list a { font-size: var(--fs-md); }

/* --------------------------------------------------------------------------
   13. Footer + floating contact
   -------------------------------------------------------------------------- */
.site-footer { background: var(--c-brand-darker); color: #a8bcd8; font-size: var(--fs-sm); padding: var(--s-10) 0 0; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.2fr); gap: var(--s-8); padding-bottom: var(--s-9); }
.site-footer h4 { color: #fff; font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: var(--ls-wide); margin-bottom: var(--s-4); }
.site-footer a { color: #c3d3e8; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 7px; }
.footer-brand { display: flex; align-items: center; gap: var(--s-3); margin-bottom: var(--s-4); }
.footer-brand img { height: 44px; width: auto; }
.footer-brand strong { color: #fff; font-size: var(--fs-md); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.13); padding: var(--s-5) 0; font-size: var(--fs-xs); color: #8ba1c0; }
.footer-bottom .wrap { display: flex; flex-wrap: wrap; gap: var(--s-4); justify-content: space-between; }

.float-contact { position: fixed; right: 16px; bottom: 18px; z-index: 80; display: flex; flex-direction: column; gap: var(--s-2); }
.float-contact a {
  display: flex; align-items: center; gap: var(--s-2);
  padding: 11px var(--s-4); border-radius: var(--r-pill);
  color: #fff; font-size: var(--fs-sm); font-weight: var(--fw-semi);
  box-shadow: var(--sh-lg);
}
.float-contact svg { width: 18px; height: 18px; fill: currentColor; flex: none; }
.float-wa { background: var(--c-wa); }
.float-wa:hover { background: var(--c-wa-dark); color: #fff; }
.float-mail { background: var(--c-brand); }
.float-mail:hover { background: var(--c-brand-dark); color: #fff; }

/* --------------------------------------------------------------------------
   14. Utilities
   -------------------------------------------------------------------------- */
.lead { font-size: var(--fs-lg); color: var(--c-body); }
.muted { color: var(--c-muted); }
.small { font-size: var(--fs-sm); }
.mb-0 { margin-bottom: 0; }
.mt-6 { margin-top: var(--s-6); }
.mt-8 { margin-top: var(--s-8); }
.pill {
  display: inline-block; padding: 4px 11px; border-radius: var(--r-pill);
  background: var(--c-brand-pale); color: var(--c-brand-dark);
  font-size: var(--fs-xs); font-weight: var(--fw-semi); letter-spacing: .03em;
}
.tag-row { display: flex; flex-wrap: wrap; gap: var(--s-2); list-style: none; margin: 0 0 var(--s-4); padding: 0; }
.tag-row li { margin: 0; }
.prose h2 { font-size: var(--fs-2xl); margin-top: var(--s-8); }
.prose h3 { font-size: var(--fs-lg); margin-top: var(--s-6); }
.prose > :first-child { margin-top: 0; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--s-9); align-items: center; }
.split img { border-radius: var(--r-lg); border: 1px solid var(--c-line); }
.figure-note { font-size: var(--fs-xs); color: var(--c-muted); margin-top: var(--s-2); }

/* --------------------------------------------------------------------------
   15. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1180px) {
  .mega-inner { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: var(--s-6); }
  .mega-cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .nav-list > li > a { padding: 26px var(--s-3); }
}

@media (max-width: 1024px) {
  :root { --fs-5xl: 2.25rem; --fs-4xl: 1.9rem; --fs-3xl: 1.6rem; }
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .value-strip .wrap { grid-template-columns: repeat(2, 1fr); }
  .product-top { grid-template-columns: 1fr; gap: var(--s-7); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--s-7); }
  .split { grid-template-columns: 1fr; gap: var(--s-6); }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: #fff; border-top: 1px solid var(--c-line);
    box-shadow: var(--sh-nav); max-height: calc(100vh - var(--h-header) - 40px);
    overflow-y: auto; padding: var(--s-4) 0 var(--s-6);
  }
  .nav-open .nav { display: block; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; padding: 0 var(--s-5); }
  .nav-list > li > a { padding: 13px 0; border-bottom: 1px solid var(--c-line-soft); }
  .nav-list > li > a:hover, .nav-list > li.is-current > a { border-bottom-color: var(--c-line-soft); }
  .nav-cta { margin: var(--s-4) var(--s-5) 0; }
  .nav-cta .btn { width: 100%; }
  .mega {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border-top: 0; border-bottom: 1px solid var(--c-line-soft);
  }
  .mega-inner { grid-template-columns: 1fr; padding: var(--s-3) 0 var(--s-5); gap: var(--s-5); }
  .mega-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mega-feature { border-left: 0; padding-left: 0; }
  .mega-thumbs { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .hero-inner { padding: var(--s-9) 0; }
}

@media (max-width: 768px) {
  :root { --s-10: 56px; --s-11: 64px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: var(--s-7); }
  .detail-shots { grid-template-columns: repeat(2, 1fr); }
  
  .hero-points { grid-template-columns: 1fr; }
  .topbar-list { gap: var(--s-3); }
}

@media (max-width: 600px) {
  :root { --fs-5xl: 1.95rem; --fs-4xl: 1.7rem; --fs-3xl: 1.45rem; --fs-2xl: 1.3rem; }
  .wrap { padding: 0 var(--s-4); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .value-strip .wrap { grid-template-columns: 1fr; gap: var(--s-4); }
  .footer-grid { grid-template-columns: 1fr; }
  .mega-thumbs { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .detail-shots { grid-template-columns: 1fr; }
  .product-meta strong { flex: 0 0 110px; }
  .contact-list li { flex-direction: column; gap: 2px; }
  .btn { width: 100%; }
  .btn-row .btn { width: auto; flex: 1 1 200px; }
  .float-contact a span { display: none; }
  .float-contact a { padding: 12px; border-radius: 50%; }
}

@media (max-width: 400px) {
  .brand-name { font-size: var(--fs-sm); }
  .brand img { height: 40px; }
  
}

@media (min-width: 1600px) {
  :root { --w-page: 1280px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .step { opacity: 1; transform: none; }
}

@media print {
  .site-header, .float-contact, .cta-band, .site-footer, .topbar { display: none; }
  body { color: #000; }
}