:root {
    /* Brand palette derived from logo */
    --fs-red: #E63322;
    --fs-red-deep: #A8201A;
    --fs-orange: #E63322;
    --fs-orange-light: #FCEAE7;
    --fs-red-light: #FCEAE7;
    --gradient-brand: linear-gradient(90deg, #E63322 0%, #A8201A 100%);

    /* Neutrals - warm off-white */
    --bg: #FAFAF8;
    --surface: #FFFFFF;
    --surface-2: #F1F3F5;
    --border: #E3E6EA;
    --border-strong: #CAD0D7;

    --text: #1B222C;
    --text-muted: #5C6672;
    --text-faint: #8A929E;

    --shadow-sm: 0 1px 2px rgba(27,34,44,0.04);
    --shadow-md: 0 6px 24px -8px rgba(230,51,34,0.12), 0 2px 6px rgba(27,34,44,0.04);
  }
  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    background: var(--bg);
    font-family: "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  a { color: inherit; text-decoration: none; }
  img { display: block; max-width: 100%; }

  /* ─── Layout containers ─────────────────────────── */
  .container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
  .section { padding: 64px 0; border-top: 1px solid var(--border); }
  .section--tight { padding: 48px 0; }
  .section-head {
    display: flex; align-items: flex-end; justify-content: space-between;
    gap: 24px; margin-bottom: 32px;
  }
  .section-title {
    font-size: 28px; font-weight: 600; letter-spacing: -0.01em;
    margin: 0; color: var(--text);
  }
  .section-title .accent {
    background: var(--gradient-brand);
    -webkit-background-clip: text; background-clip: text;
    color: transparent;
  }
  .section-sub { color: var(--text-muted); font-size: 14px; margin-top: 6px; }
  .section-link {
    font-size: 14px; color: var(--fs-red); font-weight: 500;
    display: inline-flex; align-items: center; gap: 6px;
    transition: gap 0.2s;
  }
  .section-link:hover { gap: 10px; }

  /* ─── Top bar ───────────────────────────────────── */
  .topbar {
    background: var(--text);
    color: #B6BDC6;
    font-size: 12.5px;
  }
  .topbar-inner {
    display: flex; justify-content: space-between; align-items: center;
    height: 36px;
  }
  .topbar-left { display: flex; gap: 22px; }
  .topbar-left span { display: inline-flex; align-items: center; gap: 6px; }
  .topbar-left strong { color: #fff; font-weight: 500; }
  .topbar a:hover { color: #fff; }
  .topbar-lang { font-weight: 500; letter-spacing: 0.04em; }
  .topbar-lang .on { color: #fff; }

  /* ─── Header ────────────────────────────────────── */
  .header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 50;
  }
  .header-inner {
    height: 84px;
    display: flex; align-items: center; gap: 24px;
  }
  .logo-wrap {
    display: flex; align-items: center;
    flex-shrink: 0;
  }
  .logo-wrap img { height: 44px; width: auto; }

  .nav { display: flex; gap: 2px; flex: 1; flex-wrap: nowrap; }
  .nav a {
    padding: 10px 10px;
    font-size: 14px;
    white-space: nowrap;
    font-weight: 500;
    color: var(--text);
    border-radius: 8px;
    transition: all 0.15s;
    position: relative;
  }
  .nav a:hover { color: var(--fs-red); background: var(--fs-red-light); }
  .nav a.active { color: var(--fs-red); }
  .nav a.active::after {
    content: ''; position: absolute; left: 16px; right: 16px; bottom: -2px;
    height: 2px; background: var(--gradient-brand); border-radius: 2px;
  }
  .nav .caret { font-size: 10px; opacity: 0.6; margin-left: 4px; }

  .header-actions { display: flex; gap: 8px; align-items: center; }
  .icon-btn {
    width: 40px; height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface);
    display: inline-flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--text-muted);
    transition: all 0.15s;
    position: relative;
  }
  .icon-btn:hover { color: var(--fs-red); border-color: var(--fs-red); }
  .icon-btn .badge {
    position: absolute; top: -4px; right: -4px;
    background: var(--fs-red); color: #fff;
    font-size: 10px; font-weight: 600;
    width: 16px; height: 16px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
  }
  .cta-btn {
    background: var(--gradient-brand); color: #fff;
    padding: 11px 20px; font-size: 14px; font-weight: 600;
    border-radius: 10px; border: none; cursor: pointer;
    display: inline-flex; align-items: center; gap: 8px;
    transition: transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 4px 14px -4px rgba(230,51,34,0.4);
  }
  .cta-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 20px -4px rgba(230,51,34,0.5); }
  .cta-btn--ghost {
    background: transparent; color: var(--text);
    border: 1px solid var(--border-strong);
    box-shadow: none;
  }
  .cta-btn--ghost:hover { border-color: var(--fs-red); color: var(--fs-red); transform: none; box-shadow: none; }

  /* ─── Hero (placeholder banner) ─────────────────── */
  .hero {
    padding: 24px 0 0;
  }
  .hero-banner {
    background: var(--surface-2);
    border: 1px dashed var(--border-strong);
    border-radius: 16px;
    aspect-ratio: 1628 / 600;
    display: flex; align-items: center; justify-content: center;
    flex-direction: column;
    gap: 8px;
    color: var(--text-muted);
    position: relative;
    overflow: hidden;
  }
  .hero-banner::before {
    content: '';
    position: absolute; inset: 0;
    background-image: repeating-linear-gradient(
      45deg,
      transparent 0 18px,
      rgba(207,200,191,0.25) 18px 19px
    );
    pointer-events: none;
  }
  .hero-banner .badge-label {
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
    background: var(--surface); padding: 6px 12px; border-radius: 999px;
    color: var(--text-faint); border: 1px solid var(--border);
    position: relative; z-index: 1;
  }
  .hero-banner .hint {
    font-size: 14px; font-weight: 500; color: var(--text);
    position: relative; z-index: 1;
  }
  .hero-banner .hint-sub {
    font-size: 12.5px; color: var(--text-muted);
    position: relative; z-index: 1;
  }
  .hero-dots {
    display: flex; justify-content: center; gap: 8px; margin-top: 20px;
  }
  .hero-dots span {
    width: 28px; height: 4px; border-radius: 2px;
    background: var(--border);
  }
  .hero-dots span.active { background: var(--gradient-brand); width: 40px; }

  /* ─── Trust strip ───────────────────────────────── */
  .trust {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-top: 56px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
  }
  .trust-item {
    padding: 22px 24px;
    display: flex; gap: 14px; align-items: flex-start;
    border-right: 1px solid var(--border);
  }
  .trust-item:last-child { border-right: none; }
  .trust-icon {
    width: 40px; height: 40px; flex-shrink: 0;
    border-radius: 10px;
    background: var(--fs-red-light);
    color: var(--fs-red);
    display: flex; align-items: center; justify-content: center;
  }
  .trust-text strong {
    display: block; font-size: 14px; font-weight: 600; color: var(--text);
    margin-bottom: 2px;
  }
  .trust-text span { font-size: 12.5px; color: var(--text-muted); line-height: 1.5; }

  /* ─── Intro ─────────────────────────────────────── */
  .intro-grid {
    display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px;
    align-items: start;
  }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 12px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.12em;
    color: var(--fs-red);
    margin-bottom: 16px;
  }
  .eyebrow::before {
    content: ''; width: 24px; height: 2px;
    background: var(--gradient-brand); border-radius: 1px;
  }
  .intro-headline {
    font-size: 34px; font-weight: 600; line-height: 1.2;
    letter-spacing: -0.015em; margin: 0 0 20px;
  }
  .intro p {
    color: var(--text-muted); font-size: 15px; line-height: 1.75;
    margin: 0 0 14px;
  }
  .intro p strong { color: var(--text); font-weight: 600; }
  .intro a { color: var(--fs-red); font-weight: 500; }
  .intro a:hover { text-decoration: underline; }

  .intro-extra { overflow: hidden; max-height: 0; transition: max-height 0.4s ease; }
  .intro.is-open .intro-extra { max-height: 4000px; }

  .specs-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 12px; margin: 24px 0;
  }
  .spec-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 12px; padding: 16px;
  }
  .spec-card .num {
    font-size: 22px; font-weight: 600; color: var(--text);
    letter-spacing: -0.01em;
  }
  .spec-card .num em {
    font-style: normal; font-size: 13px; color: var(--text-muted); font-weight: 500;
    margin-left: 2px;
  }
  .spec-card .lbl {
    font-size: 12px; color: var(--text-muted); margin-top: 4px;
  }

  .toggle-btn {
    margin-top: 12px;
    background: transparent;
    color: var(--fs-red);
    border: 1px solid var(--border-strong);
    padding: 10px 18px; border-radius: 10px;
    font-size: 14px; font-weight: 600;
    cursor: pointer;
    display: inline-flex; align-items: center; gap: 8px;
    font-family: inherit;
    transition: all 0.15s;
  }
  .toggle-btn:hover { border-color: var(--fs-red); background: var(--fs-red-light); }
  .toggle-btn .arr { transition: transform 0.3s; }
  .intro.is-open .toggle-btn .arr { transform: rotate(180deg); }
  .intro.is-open .label-closed { display: none; }
  .label-open { display: none; }
  .intro.is-open .label-open { display: inline; }

  .intro-media {
    background: var(--surface-2);
    border: 1px dashed var(--border-strong);
    border-radius: 16px;
    aspect-ratio: 4 / 5;
    display: flex; align-items: center; justify-content: center;
    flex-direction: column; gap: 8px;
    position: sticky; top: 110px;
  }
  .intro-media .badge-label {
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--text-faint);
  }
  .intro-media .hint { font-size: 13.5px; color: var(--text-muted); }

  /* ─── Categories / Products ─────────────────────── */
  .cat-tabs {
    display: flex; gap: 8px; margin-bottom: 28px; flex-wrap: wrap;
  }
  .cat-tab {
    padding: 10px 18px; border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface);
    font-size: 13.5px; font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
  }
  .cat-tab:hover { color: var(--fs-red); border-color: var(--fs-red); }
  .cat-tab.active {
    background: var(--gradient-brand); color: #fff;
    border-color: transparent;
  }

  .product-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  }
  .product-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.2s;
    display: flex; flex-direction: column;
  }
  .product-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }
  .product-img {
    background: #fff;
    aspect-ratio: 4 / 3;
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
  }
  .product-img img {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: contain;
    padding: 14px;
    transition: transform 0.4s ease;
  }
  .product-card:hover .product-img img { transform: scale(1.06); }
  .product-tag {
    position: absolute; top: 12px; left: 12px; z-index: 2;
    background: var(--fs-red); color: #fff;
    font-size: 10.5px; font-weight: 600; padding: 4px 9px;
    border-radius: 6px; letter-spacing: 0.04em;
  }
  .product-tag.new { background: var(--text); }
  .product-body { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
  .product-cat {
    font-size: 11px; color: var(--text-faint);
    text-transform: uppercase; letter-spacing: 0.08em;
    margin-bottom: 6px; font-weight: 500;
  }
  .product-name {
    font-size: 14.5px; font-weight: 500; line-height: 1.4;
    color: var(--text); min-height: 40px;
  }
  .product-foot {
    margin-top: 14px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px;
  }
  .product-price { font-size: 16px; font-weight: 600; color: var(--fs-red); }
  .product-price.muted { font-size: 13px; color: var(--text-muted); font-weight: 500; }
  .product-add {
    width: 34px; height: 34px; border-radius: 8px;
    background: var(--fs-red-light); color: var(--fs-red);
    border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.15s;
  }
  .product-add:hover { background: var(--fs-red); color: #fff; }

  /* ─── Pillars (3 commitments) ───────────────────── */
  .pillars-section {
    background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
  }
  .pillars-intro {
    max-width: 760px; margin: 0 auto 40px; text-align: center;
  }
  .pillars-intro .section-title { margin-bottom: 14px; }
  .pillars-intro p { color: var(--text-muted); font-size: 15px; line-height: 1.75; margin: 0; }
  .pillars {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  }
  .pillar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 28px;
    position: relative;
    overflow: hidden;
  }
  .pillar::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--gradient-brand);
  }
  .pillar-num {
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 12px; color: var(--fs-red); font-weight: 600;
    margin-bottom: 12px;
  }
  .pillar-word {
    font-size: 32px; font-weight: 700; letter-spacing: -0.01em;
    color: var(--text); margin-bottom: 10px;
    background: var(--gradient-brand);
    -webkit-background-clip: text; background-clip: text;
    color: transparent;
  }
  .pillar-desc { font-size: 14px; color: var(--text-muted); line-height: 1.65; margin: 0; }

  /* ─── Accordion (regulations) ───────────────────── */
  .reg-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 56px; align-items: start; }
  .reg-side h3 {
    font-size: 24px; font-weight: 600; letter-spacing: -0.01em;
    margin: 0 0 12px;
  }
  .reg-side p { color: var(--text-muted); font-size: 14.5px; line-height: 1.7; margin: 0 0 16px; }

  .accordion { display: flex; flex-direction: column; gap: 10px; }
  .acc-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.2s;
  }
  .acc-item.is-open { border-color: var(--fs-red); }
  .acc-head {
    padding: 18px 22px;
    display: flex; align-items: center; gap: 14px;
    cursor: pointer; user-select: none;
    font-size: 15px; font-weight: 600;
  }
  .acc-num {
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 12px; color: var(--text-faint); font-weight: 600;
    flex-shrink: 0;
  }
  .acc-item.is-open .acc-num { color: var(--fs-red); }
  .acc-title { flex: 1; }
  .acc-toggle {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--surface-2);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; transition: all 0.2s;
  }
  .acc-item.is-open .acc-toggle { background: var(--gradient-brand); color: #fff; transform: rotate(45deg); }
  .acc-body {
    max-height: 0; overflow: hidden;
    transition: max-height 0.35s ease;
  }
  .acc-item.is-open .acc-body { max-height: 800px; }
  .acc-body-inner {
    padding: 0 22px 22px 22px;
    color: var(--text-muted); font-size: 14px; line-height: 1.75;
  }
  .acc-body-inner p { margin: 0 0 10px; }
  .acc-body-inner p:last-child { margin-bottom: 0; }
  .acc-body-inner ul { padding-left: 18px; margin: 0; }
  .acc-body-inner li { margin-bottom: 6px; }

  /* ─── News ──────────────────────────────────────── */
  .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .news-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.2s;
  }
  .news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
  .news-thumb {
    background: var(--surface-2);
    aspect-ratio: 16 / 10;
    position: relative;
    display: flex; align-items: center; justify-content: center;
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 11px; color: var(--text-faint);
  }
  .news-thumb::before {
    content: '';
    position: absolute; inset: 0;
    background-image: repeating-linear-gradient(
      135deg, transparent 0 14px, rgba(207,200,191,0.3) 14px 15px
    );
  }
  .news-thumb span { position: relative; z-index: 1; background: rgba(255,255,255,0.7); padding: 4px 10px; border-radius: 6px; }
  .news-body { padding: 20px 22px 22px; }
  .news-meta {
    display: flex; gap: 12px; align-items: center;
    font-size: 12px; color: var(--text-faint);
    margin-bottom: 10px; font-weight: 500;
  }
  .news-meta .cat { color: var(--fs-red); text-transform: uppercase; letter-spacing: 0.08em; }
  .news-meta .dot { width: 3px; height: 3px; background: var(--text-faint); border-radius: 50%; }
  .news-title {
    font-size: 16px; font-weight: 600; line-height: 1.4;
    color: var(--text); margin: 0;
  }
  .news-card:hover .news-title { color: var(--fs-red); }

  /* ─── CTA banner ────────────────────────────────── */
  .cta-banner {
    background: linear-gradient(120deg, #1B222C 0%, #2A211D 60%, #3A1F18 100%);
    border-radius: 20px;
    padding: 56px 64px;
    color: #fff;
    display: flex; align-items: center; justify-content: space-between;
    gap: 40px; flex-wrap: wrap;
    position: relative; overflow: hidden;
  }
  .cta-banner::before {
    content: '';
    position: absolute; right: -120px; top: -120px;
    width: 360px; height: 360px;
    background: radial-gradient(circle at center, rgba(242,107,31,0.35) 0%, transparent 70%);
    border-radius: 50%;
  }
  .cta-banner h3 {
    font-size: 30px; font-weight: 600; letter-spacing: -0.01em;
    margin: 0 0 10px; max-width: 600px; position: relative;
  }
  .cta-banner p {
    color: #B6BDC6; font-size: 15px; margin: 0; max-width: 540px; position: relative;
  }
  .cta-banner-actions { display: flex; gap: 12px; position: relative; flex-shrink: 0; }
  .cta-banner-actions .cta-btn--ghost { color: #fff; border-color: rgba(255,255,255,0.25); background: transparent; }
  .cta-banner-actions .cta-btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,0.05); color: #fff; }

  /* ─── Footer ────────────────────────────────────── */
  .footer {
    background: var(--text);
    color: #AEB6C0;
    padding: 64px 0 0;
    margin-top: 80px;
  }
  .footer a { color: #AEB6C0; }
  .footer a:hover { color: #fff; }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
    gap: 48px;
    padding-bottom: 48px;
  }
  .footer-brand img { height: 40px; filter: brightness(0) invert(1); margin-bottom: 18px; }
  /* Logo file has white background so we don't filter it; instead show on light pad */
  .footer-brand .logo-pad {
    display: inline-block; background: #fff;
    padding: 10px 14px; border-radius: 10px; margin-bottom: 18px;
  }
  .footer-brand .logo-pad img { height: 30px; filter: none; margin: 0; }
  .footer-brand p {
    font-size: 13.5px; line-height: 1.7; margin: 0 0 18px;
    color: #8A929E;
  }
  .footer-info {
    display: flex; gap: 10px; align-items: flex-start;
    font-size: 13px; line-height: 1.6; margin-bottom: 10px;
  }
  .footer-info .ico {
    width: 20px; flex-shrink: 0; color: var(--fs-orange);
    margin-top: 2px;
  }
  .footer-info strong { color: #fff; font-weight: 500; display: block; }
  .footer h4 {
    font-size: 13px; font-weight: 600; color: #fff;
    text-transform: uppercase; letter-spacing: 0.1em;
    margin: 0 0 18px;
  }
  .footer-links { display: flex; flex-direction: column; gap: 10px; }
  .footer-links a { font-size: 13.5px; }
  .footer-map {
    aspect-ratio: 16 / 11;
    background: #283039;
    border-radius: 12px;
    border: 1px solid #39424D;
    overflow: hidden;
    position: relative;
  }
  .footer-map iframe {
    width: 100%; height: 100%;
    border: 0; display: block;
    filter: grayscale(0.15) contrast(0.95);
  }
  .footer-bottom {
    border-top: 1px solid #283039;
    padding: 20px 0;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 12.5px; color: #5C6672;
    flex-wrap: wrap; gap: 12px;
  }
  .footer-bottom .socials { display: flex; gap: 10px; }
  .footer-bottom .social {
    width: 32px; height: 32px; border-radius: 50%;
    background: #283039; color: #AEB6C0;
    display: inline-flex; align-items: center; justify-content: center;
    transition: all 0.15s;
  }
  .footer-bottom .social:hover { background: var(--gradient-brand); color: #fff; }

  /* ─── Icons (inline svg sized) ──────────────────── */
  .ic { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
  .ic-sm { width: 14px; height: 14px; }
  .ic-lg { width: 22px; height: 22px; }

  /* Hamburger button — hidden on desktop */
  .menu-btn { display: none; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; width: 40px; height: 40px; align-items: center; justify-content: center; cursor: pointer; color: var(--text); }
  .menu-btn:hover { color: var(--fs-red); border-color: var(--fs-red); }

  /* ── Tablet ─────────────────────────────────── */
  @media (max-width: 1080px) {
    .container { padding: 0 20px; }
    .header-inner { gap: 20px; }
    .nav a { padding: 8px 12px; font-size: 13.5px; }
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .product-grid .product-card:nth-child(n+7) { display: none; }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid .news-card:nth-child(3) { display: none; }
  }

  /* ── Tablet portrait / Small laptop ─────────── */
  @media (max-width: 900px) {
    .nav { display: none; }
    .menu-btn { display: inline-flex; }
    .topbar-left span:nth-child(3) { display: none; }
    .intro-grid, .reg-grid { grid-template-columns: 1fr; gap: 32px; }
    .intro-media-fig { position: static !important; max-width: 540px; }
    .pillars { grid-template-columns: 1fr; gap: 12px; }
    .trust { grid-template-columns: repeat(2, 1fr); }
    .trust-item:nth-child(2) { border-right: none; }
    .trust-item:nth-child(1), .trust-item:nth-child(2) { border-bottom: 1px solid var(--border); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .cta-banner { padding: 40px 32px; flex-direction: column; align-items: flex-start; }
    .section { padding: 56px 0; }
    .header .cta-btn { display: none; }
  }

  /* ── Mobile ─────────────────────────────────── */
  @media (max-width: 640px) {
    body { font-size: 14px; }
    .container { padding: 0 16px; }
    .topbar { font-size: 11.5px; }
    .topbar-inner { height: 32px; }
    .topbar-left { gap: 12px; }
    .topbar-left span:nth-child(2) { display: none; }
    .header-inner { height: 64px; gap: 12px; }
    .logo-wrap img { height: 34px; }
    .header-actions { gap: 6px; }
    .icon-btn { width: 36px; height: 36px; }
    .section { padding: 40px 0; }
    .section-head { flex-direction: column; align-items: flex-start; gap: 10px; margin-bottom: 22px; }
    .section-title { font-size: 22px; }
    .intro-headline { font-size: 24px; }
    .intro p { font-size: 14px; line-height: 1.7; }
    .specs-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .product-grid .product-card:nth-child(n+5) { display: none; }
    .product-name { font-size: 13.5px; min-height: 36px; }
    .product-price { font-size: 14.5px; }
    .product-body { padding: 12px 14px 14px; }
    .cat-tabs { gap: 6px; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
    .cat-tab { white-space: nowrap; padding: 8px 14px; font-size: 12.5px; }
    .pillar { padding: 24px 22px; }
    .pillar-word { font-size: 28px; }
    .news-grid { grid-template-columns: 1fr; }
    .news-grid .news-card:nth-child(3) { display: block; }
    .trust { grid-template-columns: 1fr; margin-top: 32px; }
    .trust-item { border-right: none; border-bottom: 1px solid var(--border); padding: 16px 18px; }
    .trust-item:last-child { border-bottom: none; }
    .cta-banner { padding: 32px 24px; border-radius: 14px; }
    .cta-banner h3 { font-size: 22px; }
    .cta-banner-actions { width: 100%; flex-direction: column; }
    .cta-banner-actions .cta-btn { width: 100%; justify-content: center; }
    .footer { padding: 48px 0 0; margin-top: 56px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; padding: 16px 0; font-size: 11.5px; }
    .hero-banner { border-radius: 12px; }
    .pillars-intro p { font-size: 14px; }
    .reg-side h3 { font-size: 22px; }
    .acc-head { padding: 16px 18px; font-size: 14px; gap: 10px; }
    .acc-body-inner { padding: 0 18px 18px; font-size: 13.5px; }
    .header-actions .icon-btn[aria-label="Tìm kiếm"] { display: none; }
  }

  /* ── Small mobile ───────────────────────────── */
  @media (max-width: 380px) {
    .product-grid { grid-template-columns: 1fr; }
    .product-grid .product-card:nth-child(n+4) { display: none; }
    .specs-grid { grid-template-columns: 1fr 1fr; }
    .topbar-left span:nth-child(1) strong { font-size: 11.5px; }
    .intro-headline { font-size: 22px; }
    .section-title { font-size: 20px; }
  }

  /* ── Mobile drawer ──────────────────────────── */
  .mobile-drawer {
    position: fixed; inset: 0; z-index: 100;
    background: rgba(27,34,44,0.5);
    display: none;
    opacity: 0; transition: opacity 0.2s;
  }
  .mobile-drawer.is-open { display: block; opacity: 1; }
  .mobile-drawer-panel {
    position: absolute; top: 0; right: 0; bottom: 0;
    width: 86%; max-width: 340px;
    background: var(--surface);
    padding: 20px 22px;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
    display: flex; flex-direction: column; gap: 4px;
  }
  .mobile-drawer.is-open .mobile-drawer-panel { transform: translateX(0); }
  .mobile-drawer-head {
    display: flex; align-items: center; justify-content: space-between;
    padding-bottom: 14px; border-bottom: 1px solid var(--border); margin-bottom: 14px;
  }
  .mobile-drawer-head img { height: 32px; }
  .mobile-drawer-close { background: var(--surface-2); border: none; width: 36px; height: 36px; border-radius: 8px; cursor: pointer; color: var(--text); display: inline-flex; align-items: center; justify-content: center; }
  .mobile-drawer a {
    display: block; padding: 12px 4px;
    font-size: 15px; font-weight: 500; color: var(--text);
    border-bottom: 1px solid var(--border);
    text-decoration: none;
  }
  .mobile-drawer a:hover, .mobile-drawer a.active { color: var(--fs-red); }
  .mobile-drawer .drawer-cta { margin-top: 18px; }


/* ─── FireHub logo lockup ─────────────────────────── */
.logo-lockup{display:inline-flex;align-items:center;gap:9px;}
.logo-wrap .logo-mark,.mobile-drawer-head .logo-mark,.logo-pad .logo-mark{height:34px;width:auto;}
.footer-brand .logo-pad .logo-mark{height:30px;}
.logo-word{font-family:"Be Vietnam Pro",sans-serif;font-weight:800;font-size:23px;line-height:1;letter-spacing:-0.02em;display:inline-flex;align-items:baseline;white-space:nowrap;}
.lw-fire{color:var(--fs-red);}
.lw-hub{color:var(--text);}
.lw-dot{color:var(--text-muted);font-weight:600;font-size:0.6em;margin-left:1px;}
@media(max-width:640px){.logo-word{font-size:19px;}.logo-wrap .logo-mark{height:28px;}}