/* ---------- self-hosted typeface: Be Vietnam Pro (OFL 1.1) ----------
   Family name is site-prefixed ("Masan Grotesk") so the @font-face cannot
   leak into any other site's styling. Subsets are split by unicode-range so
   only the needed bytes load. */
@font-face {
  font-family: "Masan Grotesk";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("./font-be-vietnam-pro-400-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Masan Grotesk";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("./font-be-vietnam-pro-400-vietnamese.woff2") format("woff2");
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
@font-face {
  font-family: "Masan Grotesk";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("./font-be-vietnam-pro-600-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Masan Grotesk";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("./font-be-vietnam-pro-600-vietnamese.woff2") format("woff2");
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
@font-face {
  font-family: "Masan Grotesk";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("./font-be-vietnam-pro-800-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Masan Grotesk";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("./font-be-vietnam-pro-800-vietnamese.woff2") format("woff2");
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

/* ============================================================
   Masan Group concept — scoped under [data-site="masan"]
   Fingerprint: two-tier platform nav · pitch statement left
   rail · assertive geometric grotesk · numbered platform
   stack · pitch-deck cadence · duotone-retail-documentary ·
   rounded-square badges · confident brisk
   Type: self-hosted Be Vietnam Pro (400/600/800, latin+vietnamese
   subsets, OFL 1.1) exposed as the site-prefixed family
   "Masan Grotesk" so the @font-face cannot leak to other sites.
   Imagery: real, lawfully-licensed consumer-retail photography
   (Wikimedia Commons) — market-gate hero + 21:9 retail shelf
   banner in the platforms section + 3 kitchen/food shelf photos;
   ALL FIVE photos (hero, 21:9 banner, three shelf photos) carry
   the same navy/red duotone wash; WebP, explicit width/height,
   credited on-page and in sources.yaml.
   ============================================================ */

[data-site="masan"] {
  --ms-canvas: #f6f7f9;
  --ms-surface: #ffffff;
  --ms-text: #12161f;
  --ms-muted: #59606e;
  --ms-navy: #0e2a54;
  --ms-navy-deep: #081c3a;
  --ms-red: #9c0b22;
  --ms-shelf: #edeff4;
  --ms-border: #d9dee8;
  --ms-container: 74rem;
  --ms-t-fast: 130ms;
  --ms-grotesk: "Masan Grotesk", system-ui, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --ms-t-base: 220ms;

  font-family: var(--ms-grotesk);
  background: var(--ms-canvas);
  color: var(--ms-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

[data-site="masan"] *,
[data-site="masan"] *::before,
[data-site="masan"] *::after { box-sizing: border-box; }

[data-site="masan"] h1,
[data-site="masan"] h2,
[data-site="masan"] h3 {
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
}

[data-site="masan"] p { margin: 0 0 1em; }
[data-site="masan"] ul, [data-site="masan"] ol { margin: 0; padding: 0; list-style: none; }
[data-site="masan"] a { color: var(--ms-navy-deep); }
[data-site="masan"] svg { max-width: 100%; }

[data-site="masan"] :focus-visible {
  outline: 3px solid var(--ms-red);
  outline-offset: 3px;
  border-radius: 6px;
}

[data-site="masan"] .visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

[data-site="masan"] .skip {
  position: absolute;
  left: 1rem; top: -4rem;
  background: var(--ms-navy-deep);
  color: #fff;
  font-weight: 700;
  padding: 0.7rem 1.2rem;
  z-index: 100;
  text-decoration: none;
  transition: top var(--ms-t-fast) ease;
}
[data-site="masan"] .skip:focus { top: 1rem; }

[data-site="masan"] .container {
  width: min(100% - 2.5rem, var(--ms-container));
  margin-inline: auto;
}

/* ---------- concept strip ---------- */
[data-site="masan"] .concept-strip {
  background: var(--ms-navy-deep);
  color: #c7cfdd;
  font-size: 0.8rem;
  padding: 0.55rem 1rem;
  text-align: center;
}
[data-site="masan"] .concept-tag {
  display: inline-block;
  background: var(--ms-red);
  color: #fff;
  font-weight: 800;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  padding: 0.12rem 0.6rem;
  margin-right: 0.5rem;
  vertical-align: 1px;
}

/* ---------- header ---------- */
[data-site="masan"] .site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 247, 249, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ms-border);
}
[data-site="masan"] .header-inner {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  padding: 0.65rem 0;
}
[data-site="masan"] .brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ms-navy);
}
[data-site="masan"] .brand-glyph {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  background: var(--ms-navy);
  border-radius: 13px;
  color: #fff;
}
[data-site="masan"] .brand-text { display: flex; flex-direction: column; line-height: 1.15; }
[data-site="masan"] .brand-name { font-size: 1.1rem; font-weight: 900; letter-spacing: 0.02em; }
[data-site="masan"] .brand-sub {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ms-red);
}
[data-site="masan"] .main-nav { margin-left: auto; }
[data-site="masan"] .main-nav ul { display: flex; gap: 0.15rem; flex-wrap: wrap; }
[data-site="masan"] .main-nav a {
  display: block;
  text-decoration: none;
  color: var(--ms-text);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.55rem 0.9rem;
  border-radius: 10px;
  transition: background var(--ms-t-fast) ease, color var(--ms-t-fast) ease;
}
[data-site="masan"] .main-nav a:hover { background: var(--ms-navy); color: #fff; }
[data-site="masan"] .header-cta {
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  background: var(--ms-navy);
  padding: 0.6rem 1.05rem;
  border-radius: 999px;
  white-space: nowrap;
  transition: background var(--ms-t-fast) ease;
}
[data-site="masan"] .header-cta:hover { background: var(--ms-navy-deep); }

[data-site="masan"] .nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
  margin-left: auto;
}
[data-site="masan"] .nav-toggle span {
  width: 24px; height: 3px;
  background: var(--ms-navy-deep);
}

/* ---------- hero ---------- */
[data-site="masan"] .hero {
  background:
    radial-gradient(46rem 24rem at -10% 0%, #e6ebf3 0%, transparent 60%),
    var(--ms-canvas);
  padding: 4rem 0;
}
[data-site="masan"] .hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}
[data-site="masan"] .eyebrow { margin: 0 0 1.1rem; }
[data-site="masan"] .chip {
  display: inline-block;
  background: var(--ms-navy-deep);
  color: #fff;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
}
[data-site="masan"] .eyebrow-dark {
  color: var(--ms-red);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 0.9rem;
}
[data-site="masan"] .hero h1 {
  font-size: clamp(2.3rem, 4.8vw, 3.8rem);
  margin-bottom: 0.4em;
}
[data-site="masan"] .hero h1 em { font-style: normal; color: var(--ms-red); }
[data-site="masan"] .lede { color: var(--ms-muted); max-width: 40rem; }
[data-site="masan"] .hero-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 1.1rem 0 1.4rem; }
[data-site="masan"] .hero-tags span {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ms-navy-deep);
  background: #fff;
  border: 1.5px solid var(--ms-border);
  border-radius: 10px;
  padding: 0.35rem 0.85rem;
}
[data-site="masan"] .hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }

[data-site="masan"] .btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 800;
  border-radius: 12px;
  padding: 0.85rem 1.6rem;
  transition: transform var(--ms-t-fast) ease, background var(--ms-t-fast) ease, border-color var(--ms-t-fast) ease;
}
[data-site="masan"] .btn-navy { background: var(--ms-navy); color: #fff; }
[data-site="masan"] .btn-navy:hover { background: var(--ms-navy-deep); transform: translateY(-2px); }
[data-site="masan"] .btn-outline { color: var(--ms-navy-deep); border: 2px solid var(--ms-navy); }
[data-site="masan"] .btn-outline:hover { border-color: var(--ms-red); color: var(--ms-red); }
[data-site="masan"] .btn-lg { padding: 1rem 1.9rem; font-size: 1rem; }

[data-site="masan"] .hero-shelf { margin: 0; }
[data-site="masan"] .hero-frame {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 30px 55px -38px rgba(8, 28, 58, 0.55);
}
[data-site="masan"] .hero-photo {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 46%;
  filter: grayscale(0.4) contrast(1.16) brightness(0.96) saturate(1.15);
  transform: scale(1.02);
}
/* deliberate duotone: unify the street scene into the Masan navy/red palette */
[data-site="masan"] .hero-wash {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(196deg, rgba(14, 42, 84, 0.72) 0%, rgba(14, 42, 84, 0.18) 42%, rgba(156, 11, 34, 0.44) 100%);
  mix-blend-mode: multiply;
  pointer-events: none;
}
[data-site="masan"] .hero-label {
  position: absolute;
  top: 1rem; left: 1rem;
  z-index: 2;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(8, 28, 58, 0.55);
  padding: 0.24rem 0.6rem;
  border-left: 3px solid var(--ms-red);
}
[data-site="masan"] .hero-rule {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  height: 6px;
  background: linear-gradient(90deg, var(--ms-red) 0 33%, rgba(255, 255, 255, 0.35) 33% 100%);
}
[data-site="masan"] .hero-shelf figcaption {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.9rem;
  margin-top: 0.85rem;
  font-size: 0.75rem;
  color: var(--ms-muted);
}
[data-site="masan"] .hero-shelf figcaption .mono {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ms-red);
}

/* ---------- documentary plates (real photography) ---------- */
[data-site="masan"] .plate { margin: 0 0 1.8rem; }
[data-site="masan"] .plate-media {
  position: relative;
  aspect-ratio: 21 / 9;
  overflow: hidden;
  border-bottom: 3px solid var(--ms-red);
  background: var(--ms-navy-deep);
}
/* same navy/red duotone as the hero so every photo shares one treatment */
[data-site="masan"] .plate-media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(196deg, rgba(14, 42, 84, 0.62) 0%, rgba(14, 42, 84, 0.16) 45%, rgba(156, 11, 34, 0.4) 100%);
  mix-blend-mode: multiply;
  pointer-events: none;
}
[data-site="masan"] .plate-media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 55%;
  z-index: 1;
  background: linear-gradient(180deg, rgba(8, 28, 58, 0) 0%, rgba(8, 28, 58, 0.72) 100%);
  pointer-events: none;
}
[data-site="masan"] .plate-label {
  position: absolute;
  left: 1.1rem; bottom: 1rem;
  z-index: 2;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(8, 28, 58, 0.5);
  padding: 0.22rem 0.6rem;
  border-left: 3px solid var(--ms-red);
}
[data-site="masan"] .plate-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 58%;
  filter: grayscale(0.25) contrast(1.1) saturate(1.08);
}
[data-site="masan"] .plate figcaption {
  margin-top: 0.55rem;
  font-size: 0.73rem;
  line-height: 1.5;
  color: var(--ms-muted);
}

/* ---------- sections ---------- */
[data-site="masan"] .section { padding: 4rem 0; }
[data-site="masan"] .section-head { max-width: 44rem; margin-bottom: 2.25rem; }
[data-site="masan"] .section-head h2 { font-size: clamp(1.75rem, 3.3vw, 2.4rem); }
[data-site="masan"] .section-note { color: var(--ms-muted); }

/* platform stack */
[data-site="masan"] .stack { display: grid; gap: 1.1rem; }
[data-site="masan"] .slide {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1.75rem;
  align-items: start;
  background: var(--ms-surface);
  border: 1px solid var(--ms-border);
  border-radius: 18px;
  padding: 1.7rem 1.9rem;
  position: relative;
  overflow: hidden;
}
[data-site="masan"] .slide-no {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 0.9;
  color: var(--ms-shelf);
  -webkit-text-stroke: 2px var(--ms-navy);
  letter-spacing: -0.03em;
}
[data-site="masan"] .slide-body h3 { font-size: 1.3rem; margin-bottom: 0.3em; }
[data-site="masan"] .slide-body p { margin: 0; color: var(--ms-muted); }
[data-site="masan"] .slide-rule {
  position: absolute;
  left: 0; bottom: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--ms-red) var(--w, 40%), var(--ms-shelf) var(--w, 40%));
  width: 100%;
}
[data-site="masan"] .slide:nth-child(1) .slide-rule { --w: 33%; }
[data-site="masan"] .slide:nth-child(2) .slide-rule { --w: 66%; }
[data-site="masan"] .slide:nth-child(3) .slide-rule { --w: 100%; background: var(--ms-red); }

/* brand shelf */
[data-site="masan"] .shelf { background: var(--ms-shelf); }
[data-site="masan"] .shelf-photos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  margin-bottom: 2.1rem;
}
[data-site="masan"] .shelf-media {
  position: relative;
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  background: var(--ms-shelf);
}
[data-site="masan"] .shelf-media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: grayscale(0.4) contrast(1.14) brightness(0.97) saturate(1.12);
}
[data-site="masan"] .shelf-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(196deg, rgba(14, 42, 84, 0.6) 0%, rgba(14, 42, 84, 0.14) 46%, rgba(156, 11, 34, 0.38) 100%);
  mix-blend-mode: multiply;
  pointer-events: none;
}
[data-site="masan"] .shelf-label {
  display: block;
  margin-top: 0.8rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ms-red);
}
[data-site="masan"] .shelf-credit { margin: 0.3rem 0 0; font-size: 0.71rem; line-height: 1.45; color: var(--ms-muted); }
[data-site="masan"] .badge-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 1.05rem 0.9rem;
  padding: 1.5rem 1.4rem 1.3rem;
  border-top: 5px solid var(--ms-navy);
  border-bottom: 5px solid var(--ms-navy);
  background:
    repeating-linear-gradient(180deg, transparent 0 2.85rem, rgba(14, 42, 84, 0.1) 2.85rem 2.95rem),
    var(--ms-shelf);
}
[data-site="masan"] .badge-wall li {
  background: var(--ms-surface);
  border: 1.5px solid var(--ms-border);
  border-bottom-width: 3px;
  border-radius: 14px;
  padding: 0.85rem 1.4rem;
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--ms-navy-deep);
  transition: transform var(--ms-t-fast) ease, border-color var(--ms-t-fast) ease, background var(--ms-t-fast) ease, color var(--ms-t-fast) ease;
}
[data-site="masan"] .badge-wall li:nth-child(3n) {
  transform: translateY(0.6rem);
}
[data-site="masan"] .badge-wall li:hover {
  background: var(--ms-navy);
  border-color: var(--ms-navy);
  color: #fff;
  transform: translateY(-2px);
}

/* history */
[data-site="masan"] .hist-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}
[data-site="masan"] .hist-steps li {
  background: var(--ms-surface);
  border: 1px solid var(--ms-border);
  border-left: 6px solid var(--ms-red);
  border-radius: 14px;
  padding: 1.4rem 1.35rem;
}
[data-site="masan"] .h-year {
  display: block;
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--ms-navy);
  line-height: 1.1;
}
[data-site="masan"] .hist-steps p { margin: 0.4em 0 0; color: var(--ms-muted); font-size: 0.92rem; }

[data-site="masan"] .fact-card {
  background: var(--ms-surface);
  border: 1px solid var(--ms-border);
  padding: 1.5rem 1.6rem;
  display: grid;
  gap: 0.9rem;
  margin: 0;
  max-width: 46rem;
  border-radius: 14px;
}
[data-site="masan"] .fact-card div {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0.75rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px dashed var(--ms-border);
}
[data-site="masan"] .fact-card div:last-child { border-bottom: 0; padding-bottom: 0; }
[data-site="masan"] .fact-card dt {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ms-muted);
}
[data-site="masan"] .fact-card dd { margin: 0; font-weight: 600; font-size: 0.95rem; }

/* cta */
[data-site="masan"] .cta { padding: 4rem 0; }
[data-site="masan"] .cta-inner {
  background: var(--ms-navy-deep);
  border-radius: 22px;
  padding: 2.75rem 2.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
[data-site="masan"] .cta-inner h2 { color: #fff; font-size: clamp(1.5rem, 2.8vw, 2.1rem); margin-bottom: 0.3em; }
[data-site="masan"] .cta-inner p { margin: 0; color: #aab7cc; max-width: 34rem; }
[data-site="masan"] .cta-inner .btn { background: #fff; color: var(--ms-navy-deep); }
[data-site="masan"] .cta-inner .btn:hover { background: #e8ebf1; }

/* footer */
[data-site="masan"] .site-footer {
  background: #0a1428;
  color: #bcc6d6;
  padding: 3.25rem 0 2rem;
}
[data-site="masan"] .footer-brand { display: flex; align-items: baseline; gap: 0.9rem; margin-bottom: 1.4rem; flex-wrap: wrap; }
[data-site="masan"] .f-name { color: #fff; font-size: 1.3rem; font-weight: 900; letter-spacing: 0.02em; }
[data-site="masan"] .f-sub { font-size: 0.8rem; color: #e08595; }
[data-site="masan"] .footer-nav ul { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin-bottom: 1.6rem; }
[data-site="masan"] .footer-nav a { color: #e4e9f1; text-decoration: none; font-size: 0.9rem; font-weight: 600; }
[data-site="masan"] .footer-nav a:hover { color: #e08595; }
[data-site="masan"] .disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 1.4rem;
  font-size: 0.82rem;
  color: #9daaba;
  max-width: 60rem;
}
[data-site="masan"] .colophon { font-size: 0.75rem; color: #74829a; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  [data-site="masan"] .header-cta { display: none; }
  [data-site="masan"] .main-nav ul { gap: 0; }
  [data-site="masan"] .main-nav a { padding: 0.55rem 0.6rem; font-size: 0.82rem; }
  [data-site="masan"] .hero-grid { grid-template-columns: 1fr; }
  [data-site="masan"] .hist-steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  [data-site="masan"] .nav-toggle { display: flex; }
  [data-site="masan"] .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--ms-surface);
    border-bottom: 1px solid var(--ms-border);
    padding: 0.75rem 1.25rem 1.25rem;
  }
  [data-site="masan"] .main-nav.is-open { display: block; }
  [data-site="masan"] .main-nav ul { flex-direction: column; gap: 0.25rem; }
  [data-site="masan"] .header-cta { display: none; }
  [data-site="masan"] .slide { grid-template-columns: 1fr; gap: 0.7rem; }
  [data-site="masan"] .shelf-photos { grid-template-columns: 1fr; gap: 1.6rem; }
  [data-site="masan"] .badge-wall li:nth-child(3n) { transform: none; }
  [data-site="masan"] .cta-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
  [data-site="masan"] .hist-steps { grid-template-columns: 1fr; }
  [data-site="masan"] .section { padding: 3rem 0; }
  [data-site="masan"] .fact-card div { grid-template-columns: 1fr; }
}

/* ---------- motion ---------- */
@media (prefers-reduced-motion: reduce) {
  [data-site="masan"] * {
    animation: none !important;
    transition: none !important;
  }
}

/* ---------- polish: motion layer (2026+) ---------- */
[data-site="masan"] .hero-copy > *,
[data-site="masan"] .hero-shelf {
  animation: ms-pitch 0.6s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}
[data-site="masan"] .hero-copy > *:nth-child(2) { animation-delay: 0.08s; }
[data-site="masan"] .hero-copy > *:nth-child(3) { animation-delay: 0.16s; }
[data-site="masan"] .hero-copy > *:nth-child(4) { animation-delay: 0.24s; }
[data-site="masan"] .hero-copy > *:nth-child(5) { animation-delay: 0.32s; }
[data-site="masan"] .hero-shelf { animation-delay: 0.2s; }
@keyframes ms-pitch {
  from { transform: translateY(20px); }
}
[data-site="masan"] .slide {
  animation: ms-roll 0.7s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}
[data-site="masan"] .slide:nth-child(2) { animation-delay: 0.15s; }
[data-site="masan"] .slide:nth-child(3) { animation-delay: 0.3s; }
@keyframes ms-roll {
  from { transform: translateY(24px); }
}
[data-site="masan"] .badge-wall li:hover {
  animation: ms-toss 0.5s ease;
}
@keyframes ms-toss {
  40% { transform: translateY(-6px) rotate(-3deg); }
}
/* ---------- pitch-deck progress rail (scroll-linked signature) ----------
   The brand's ownable 33/66/100 red progress rule becomes a real
   scroll indicator: a fixed navy rail whose red fill tracks read
   progress, plus a right-edge section index. Pure CSS via
   scroll-driven animation; inert where unsupported. */
[data-site="masan"] .pitch-rail {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 4px;
  z-index: 200;
  background: rgba(14, 42, 84, 0.12);
  pointer-events: none;
}
[data-site="masan"] .pitch-rail span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--ms-red);
  transform-origin: 0 50%;
}
[data-site="masan"] .pitch-index {
  position: fixed;
  right: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 89;
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
[data-site="masan"] .pitch-index a {
  display: block;
  width: 26px;
  height: 3px;
  background: rgba(14, 42, 84, 0.22);
  pointer-events: auto;
  transition: background var(--ms-t-fast) ease, width var(--ms-t-fast) ease;
}
[data-site="masan"] .pitch-index a:hover,
[data-site="masan"] .pitch-index a:focus-visible {
  width: 36px;
  background: var(--ms-red);
}
@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    [data-site="masan"] .pitch-rail span {
      width: 100%;
      animation: ms-progress linear both;
      animation-timeline: scroll(root block);
    }
    @keyframes ms-progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }
  }
}
@media (min-width: 1080px) {
  [data-site="masan"] .pitch-index { display: flex; right: 0.35rem; }
}
@media (min-width: 1440px) {
  [data-site="masan"] .pitch-index { right: calc((100vw - var(--ms-container)) / 2 - 2.1rem); }
}

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    [data-site="masan"] .section-head,
    [data-site="masan"] .stack,
    [data-site="masan"] .hist-steps,
    [data-site="masan"] .fact-card,
    [data-site="masan"] .cta-inner {
      animation: ms-rise linear both;
      animation-timeline: view();
      animation-range: entry 0% cover 26%;
    }
    @keyframes ms-rise {
      from { transform: translateY(30px); }
    }
  }
}