/* ============================================================
   Lumen Haru — shared product-page template
   Every product page imports this. Per-line and per-brand overrides
   live in their own stylesheets (line-*.css, brand-*.css) and load AFTER
   this one in the cascade.
   ============================================================ */

/* ---- Default product accents (overridden by brand-*.css) ---- */
.pm{
  --p-accent:#F2A024;        /* default — fallback if no brand override */
  --p-secondary:#F1ECDF;
  --p-soft:color-mix(in srgb, var(--p-accent) 7%, var(--bg));
}

/* ---- Breadcrumb ---- */
.pm-crumb{background:var(--bg);border-bottom:1px solid var(--line)}
.pm-crumb .wrap{padding:8px 24px;font-size:13px;color:var(--muted)}
.pm-crumb a{color:var(--muted)}
.pm-crumb a:hover{color:var(--p-accent)}
.pm-crumb .sep{margin:0 8px;opacity:.4}

/* ---- Hero ---- */
.pm-hero{background:linear-gradient(135deg,color-mix(in srgb,var(--p-accent) 7%,var(--bg)),var(--bg-alt))}
.pm-hero .wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:stretch;padding:24px 24px 28px}

/* Image stack */
.pm-media-stack{display:flex;flex-direction:column;gap:10px;height:100%}
.pm-media-main{background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:28px;display:flex;align-items:center;justify-content:center;flex:1;min-height:280px;overflow:hidden}
.pm-media-main img{max-width:100%;max-height:100%;object-fit:contain;transition:opacity .2s ease}
.pm-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.pm-thumb{background:#fff;border:2px solid var(--line);border-radius:10px;padding:6px 6px 7px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:5px;transition:border-color .2s ease;font:inherit;text-align:center}
.pm-thumb-img{flex:1;display:flex;align-items:center;justify-content:center;width:100%;min-height:50px;background:var(--bg-alt);border-radius:6px;overflow:hidden;color:var(--muted);font-size:11px;font-weight:600}
.pm-thumb-img img{max-width:100%;max-height:46px;object-fit:contain}
.pm-thumb-img svg{max-width:100%;max-height:46px}
.pm-thumb-title{font-size:11px;font-weight:600;color:var(--ink-soft);line-height:1.3}
.pm-thumb:hover{border-color:color-mix(in srgb,var(--p-accent) 55%,var(--line))}
.pm-thumb.is-active{border-color:var(--p-accent);background:color-mix(in srgb,var(--p-accent) 4%,#fff)}
.pm-thumb.is-active .pm-thumb-title{color:var(--p-accent)}

/* Brand chips (one chip per page now — brand identity owned by brand-*.css) */
.pm-brands{display:inline-flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:8px}
.pm-brand{display:inline-block;font-size:12.5px;font-weight:700;padding:5px 10px;border-radius:5px;border:1.5px solid currentColor;background:color-mix(in srgb,currentColor 8%,transparent)}
.pm-brand-markets{font-size:12.5px;color:var(--muted);padding-left:4px}
.pm-typebadge{display:inline-block;background:var(--p-accent);color:#fff;font-size:11.5px;font-weight:800;padding:5px 9px;border-radius:5px;letter-spacing:.06em}

.pm-h1{font-size:clamp(22px,2.6vw,30px);margin:10px 0 8px;line-height:1.2;letter-spacing:-.005em;font-weight:800}
.pm-tagline{font-size:16px;color:var(--ink-soft);line-height:1.5;max-width:52ch;margin:0 0 14px}

/* Benefit pills */
.pm-benefits{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 18px}
.pm-benefit{display:inline-flex;align-items:center;gap:5px;background:#fff;border:1px solid color-mix(in srgb,var(--p-accent) 28%,var(--line));border-radius:18px;padding:5px 11px;font-size:12px;font-weight:700;color:var(--ink)}
.pm-benefit::before{content:"●";color:var(--p-accent);font-size:7px;line-height:1}

/* Hero variants / order-in table */
.pm-hero-prices{margin:0 0 18px}
.pm-hero-prices .l{display:block;font-size:12.5px;font-weight:700;color:var(--muted);margin-bottom:8px}
.pm-hero-prices table{width:100%;border-collapse:collapse;font-size:14px;background:var(--surface);border-radius:10px;border:1px solid var(--line);overflow:hidden}
.pm-hero-prices th,.pm-hero-prices td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line);font-size:13px;white-space:nowrap}
.pm-hero-prices tbody tr:last-child td{border-bottom:0}
.pm-hero-prices thead th{font-size:11.5px;color:var(--muted);background:var(--bg-alt);font-weight:700}
.pm-hero-prices tbody td:first-child{font-weight:800;color:var(--ink);width:18%}
.pm-hero-prices .pspec{color:var(--ink-soft);font-size:12.5px}
.pm-hero-prices .pprice{text-align:right;font-weight:800;color:var(--p-accent);font-feature-settings:"tnum";white-space:nowrap}
.pm-hero-prices .pprice small{font-weight:600;color:var(--muted)}
.pm-hero-prices .pprice.quote{color:var(--muted);font-weight:700;font-style:italic;font-size:12px}
.pm-hero-prices .meta{font-size:12px;color:var(--muted);margin-top:6px}

.pm-cta{display:flex;gap:12px;flex-wrap:wrap}

/* ---- Uniform section H2 ---- */
.pm-about h2, .pm-apps-section h2, .pm-feature h2, .col-r h2{
  font-size:clamp(20px,2.3vw,24px); margin:0 0 14px;
  letter-spacing:-.005em; line-height:1.25; font-weight:800; color:var(--ink)
}

/* ---- Side-by-side right column ---- */
.col-r{display:flex;flex-direction:column;height:100%}

/* Numbered spec list (Standards, Mechanical, Key specs) */
.pm-speclist{list-style:none;padding:0;margin:0;border-top:1px solid var(--line);counter-reset:nc;flex:1}
.pm-speclist li{counter-increment:nc;display:flex;gap:18px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.pm-speclist li::before{content:counter(nc,decimal-leading-zero);flex:0 0 40px;font-size:20px;font-weight:800;color:var(--p-accent);letter-spacing:-.02em;line-height:1.2;font-feature-settings:"tnum"}
.pm-speclist .l{flex:1;font-size:15px;font-weight:400;color:var(--ink-soft);line-height:1.5}
.pm-speclist .v{font-size:15px;font-weight:700;color:var(--p-accent);text-align:right;font-feature-settings:"tnum";white-space:nowrap}

/* ---- About + Standards ---- */
.pm-about{background:var(--bg);padding:56px 0}
.pm-about .wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:stretch}
.pm-about .col-l{display:flex;flex-direction:column}
.pm-about p{font-size:15px;color:var(--ink-soft);line-height:1.65;margin:0 0 14px}

/* ---- Applications + Specs ---- */
.pm-apps-section{background:var(--bg-alt);padding:56px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pm-apps-section .wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:stretch}
.pm-apps-section .col-l{display:flex;flex-direction:column}

/* Shared numbered-list — Applications & Operating notes */
.pm-apps, .pm-protocol{list-style:none;padding:0;margin:0;border-top:1px solid var(--line);counter-reset:nc;flex:1}
.pm-apps li, .pm-protocol li{counter-increment:nc;display:flex;gap:18px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.pm-apps li::before, .pm-protocol li::before{content:counter(nc,decimal-leading-zero);flex:0 0 40px;font-size:20px;font-weight:800;color:var(--p-accent);letter-spacing:-.02em;line-height:1.2;font-feature-settings:"tnum"}
.pm-apps li{font-size:15px;color:var(--ink-soft);line-height:1.5;align-items:center}
.pm-protocol li{align-items:center}
.pm-protocol .step-title{display:inline;font-size:15.5px;font-weight:800;color:var(--ink)}
.pm-protocol .step-title::after{content:" — ";font-weight:600;color:var(--muted)}
.pm-protocol .step-body{display:inline;font-size:15px;color:var(--ink-soft);line-height:1.55}

/* ---- Critical section (Safety / Hydrogen / Operating notes) ---- */
.pm-feature{background:var(--bg);padding:56px 0}
.pm-feature .lead{font-size:13px;font-weight:800;color:#C2141B;margin-bottom:8px}
.pm-feature .sub{font-size:15.5px;color:var(--ink-soft);margin:0 0 22px;max-width:62ch;line-height:1.65}

.pm-feature-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:start}
.pm-feature-grid .col-l, .pm-feature-grid .col-r{display:flex;flex-direction:column}
.pm-feature-grid h3{font-size:clamp(20px,2.3vw,24px);margin:0 0 14px;font-weight:800;color:var(--ink);letter-spacing:-.005em;line-height:1.25}
.pm-feature-grid .sub-c{font-size:14.5px;color:var(--muted);margin:0 0 14px;line-height:1.5}

/* Right-side reference tables (current, RPM, packaging, compatibility) */
.pm-currents table, .pm-matcompat table, .pm-compare table, .pm-match table, .pm-kit table{width:100%;border-collapse:collapse;font-size:14.5px;border-top:1px solid var(--line)}
.pm-currents th, .pm-currents td,
.pm-matcompat th, .pm-matcompat td,
.pm-compare th, .pm-compare td,
.pm-match th, .pm-match td,
.pm-kit th, .pm-kit td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.pm-currents thead th, .pm-matcompat thead th, .pm-compare thead th, .pm-match thead th, .pm-kit thead th{font-size:12.5px;color:var(--muted);font-weight:700;background:var(--bg-alt)}
.pm-currents tbody td:first-child, .pm-matcompat tbody td:first-child, .pm-compare tbody td:first-child, .pm-match tbody td:first-child, .pm-kit tbody td:first-child{font-weight:700;color:var(--ink)}
.pm-currents .amp, .pm-compare .v86, .pm-compare .v106, .pm-match .v, .pm-kit .v{font-weight:800;color:var(--p-accent);font-feature-settings:"tnum"}
.pm-matcompat .mark{font-size:14px;font-weight:900;font-feature-settings:"tnum";white-space:nowrap;text-align:right}
.pm-matcompat .ok{color:#2D8A3F}
.pm-matcompat .so{color:#A66E00}
.pm-matcompat .no{color:#C2141B}

/* Diamond blade application photo grid */
.pm-photogrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;flex:1;border-top:1px solid var(--line);padding-top:14px}
.pm-photogrid figure{margin:0;display:flex;flex-direction:column;gap:6px}
.pm-photogrid .ph{aspect-ratio:3/2;background:var(--line);border-radius:8px;overflow:hidden;border:1px solid color-mix(in srgb,var(--p-accent) 14%,var(--line))}
.pm-photogrid .ph img{width:100%;height:100%;object-fit:cover;display:block}
.pm-photogrid figcaption{font-size:13.5px;font-weight:700;color:var(--ink);text-align:center;line-height:1.2}

/* ---- Cross-sell — pairs with cards ---- */
.pm-pairs{background:var(--bg-alt);padding:48px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pm-pairs h2{font-size:clamp(20px,2.3vw,24px);margin:0 0 6px;font-weight:800;color:var(--ink);letter-spacing:-.005em}
.pm-pairs .lede{font-size:15px;color:var(--ink-soft);margin:0 0 20px;max-width:60ch}
.pm-pairs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pm-pair{display:grid;grid-template-columns:90px 1fr;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;text-decoration:none;color:inherit;transition:border-color .2s,transform .2s}
.pm-pair:hover{border-color:var(--p-accent);transform:translateY(-1px)}
.pm-pair-img{background:#fff;display:flex;align-items:center;justify-content:center;padding:8px;border-right:1px solid var(--line)}
.pm-pair-img img{max-width:100%;max-height:100%;object-fit:contain}
.pm-pair-body{padding:12px 14px;display:flex;flex-direction:column;gap:3px;justify-content:center}
.pm-pair .badge{font-size:10px;font-weight:800;letter-spacing:.06em;color:var(--p-accent);text-transform:uppercase}
.pm-pair .name{font-size:14px;font-weight:800;color:var(--ink);line-height:1.2;margin:0}
.pm-pair .why{font-size:12.5px;color:var(--ink-soft);line-height:1.4;margin:0}
.pm-pair .arrow{margin-top:3px;font-size:12px;font-weight:700;color:var(--p-accent)}

/* ---- Responsive ---- */
@media (max-width: 960px){
  .pm-hero .wrap{grid-template-columns:1fr;gap:20px;padding:20px 20px 24px}
  .pm-about .wrap, .pm-apps-section .wrap{grid-template-columns:1fr;gap:24px}
  .pm-feature-grid{grid-template-columns:1fr;gap:28px}
  .pm-media-main{min-height:240px}
  .col-r{height:auto}
  .pm-pairs-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 680px){
  .pm-h1{font-size:20px;line-height:1.25}
  .pm-tagline{font-size:15.5px}
  .pm-thumbs{grid-template-columns:repeat(3,1fr)}
  .pm-about, .pm-apps-section, .pm-feature, .pm-pairs{padding:40px 0}
  .pm-apps li::before, .pm-protocol li::before, .pm-speclist li::before{flex:0 0 34px;font-size:18px}
  .pm-apps li, .pm-protocol li, .pm-speclist li{padding:12px 0;gap:14px}
  .pm-speclist .l, .pm-speclist .v{font-size:14.5px}
  .pm-hero-prices th, .pm-hero-prices td{padding:8px 10px}
  .pm-crumb .wrap{font-size:12.5px;padding:8px 20px}
  .pm-pairs-grid{grid-template-columns:1fr;gap:12px}
  .pm-pair{grid-template-columns:80px 1fr}
  .pm-photogrid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 420px){
  .pm-thumbs{grid-template-columns:repeat(2,1fr)}
  .pm-brands .pm-brand-markets{width:100%;padding-left:0;margin-top:4px}
}