/* ═══════════════════════════════════════════════════════════
   廣田資訊 v2 Design System — 2026-07-13 一次性重構
   原則：design tokens 統一管理，不改 HTML class 名稱
   ═══════════════════════════════════════════════════════════ */

/* ── Design Tokens ── */
:root{
  /* Colors */
  --ink:#111317;--ink-2:#20242c;--paper:#fff;--mist:#f5f6f8;--line:#dfe3e8;
  --muted:#5f6875;--blue:#0f62fe;--blue-dark:#0043ce;--blue-soft:#eaf2ff;
  --sky:#78a9ff;--orange:#ff832b;--green:#198038;
  /* Typography — single source of truth */
  --text-xs:12px;--text-sm:13px;--text-base:15px;--text-md:17px;
  --text-lg:19px;--text-xl:21px;--text-2xl:24px;--text-3xl:28px;
  --text-4xl:32px;--text-5xl:40px;--text-6xl:48px;
  /* Spacing */
  --space-xs:8px;--space-sm:16px;--space-md:24px;--space-lg:40px;--space-xl:64px;--space-2xl:80px;
  /* Layout */
  --max:1280px;--read:760px;--nav-h:56px;
  /* Radius */
  --radius-sm:4px;--radius-md:8px;--radius-lg:16px;--radius-full:999px;
}

/* ── Reset ── */
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",sans-serif;font-size:var(--text-base);line-height:1.65;-webkit-font-smoothing:antialiased}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%}
button,input,select,textarea{font:inherit}button{cursor:pointer}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px}
.wrap{width:min(var(--max),calc(100% - var(--space-xl)));margin-inline:auto}

/* ── Typography Scale (間距 ≥4px，只用固定 px，不用 clamp) ── */
.eyebrow{display:block;color:var(--blue);font-size:var(--text-xs);font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:20px}
.eyebrow.light{color:#9ec5ff}
.display{font-size:var(--text-6xl);line-height:1.05;letter-spacing:-.03em;font-weight:650;text-wrap:balance;margin:0}
.h1{font-size:var(--text-5xl);line-height:1.08;letter-spacing:-.035em;font-weight:650;text-wrap:balance;margin:0}
.h2{font-size:var(--text-4xl);line-height:1.1;letter-spacing:-.025em;font-weight:650;text-wrap:balance;margin:0}
.h3{font-size:var(--text-2xl);line-height:1.15;letter-spacing:-.02em;font-weight:650;margin:0}
.lead{font-size:var(--text-lg);line-height:1.55;color:var(--muted);max-width:800px;margin:26px 0 0}
.lead.light{color:#c8d1df}
.muted{color:var(--muted)}
.kicker{font-size:14px;font-weight:700;color:var(--blue);letter-spacing:.04em}
.small,small{font-size:var(--text-sm)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:var(--radius-full);background:var(--blue);color:#fff;font-size:var(--text-base);font-weight:650;transition:.2s ease}
.btn:hover{background:var(--blue-dark);transform:translateY(-1px)}
.btn.secondary{background:transparent;border-color:#8b95a3;color:inherit}
.btn.secondary:hover{background:rgba(255,255,255,.08);border-color:#fff}
.btn.dark{background:var(--ink)}
.btn.light{background:#fff;color:var(--ink)}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:650}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}

/* ── Masthead / Navigation ── */
.masthead{position:sticky;top:0;z-index:100;height:var(--nav-h);background:rgba(11,14,19,.9);color:#fff;backdrop-filter:saturate(160%) blur(18px);border-bottom:1px solid rgba(255,255,255,.1)}
.mast-inner{width:min(1440px,100%);height:100%;margin:auto;padding:0 28px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:max-content}
.brand img{width:36px;height:36px;border-radius:var(--radius-md);background:#fff}
.brand strong{font-size:16px;letter-spacing:.02em}
.brand small{display:block;color:#9ca8b8;font-size:var(--text-xs);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;justify-content:flex-end;gap:2px;margin-left:auto;height:100%}
.main-nav>a,.nav-products-trigger{display:flex;align-items:center;height:100%;padding:0 14px;color:#d7dce4;font-size:14px;border:0;background:transparent}
.main-nav>a:hover,.main-nav>a.active,.nav-products-trigger:hover,.nav-products-trigger.active{color:#fff;background:rgba(255,255,255,.08)}
.header-cta{height:36px!important;margin-left:10px;padding:0 16px!important;border-radius:var(--radius-full);background:var(--blue)!important;color:#fff!important;font-weight:650}
.nav-products{height:100%;position:relative}
.nav-products-trigger{gap:6px}
.mega{position:absolute;top:var(--nav-h);right:-320px;width:min(980px,calc(100vw - 48px));display:grid;grid-template-columns:320px 1fr;background:#fff;color:var(--ink);box-shadow:0 24px 60px rgba(0,0,0,.28);opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s ease}
.nav-products:hover .mega,.nav-products:focus-within .mega,.nav-products.open .mega{opacity:1;visibility:visible;transform:none}
.mega-series{padding:22px 0;background:var(--mist);border-right:1px solid var(--line)}
.mega-series>a{display:flex;justify-content:space-between;align-items:center;min-height:48px;padding:0 24px;font-size:14px;font-weight:650}
.mega-series>a:hover,.mega-series>a.active{background:#fff;color:var(--blue)}
.mega-detail{padding:30px}
.mega-panel{display:none}.mega-panel.active{display:block}
.mega-panel-head{display:flex;justify-content:space-between;gap:20px;align-items:end;padding-bottom:20px;border-bottom:1px solid var(--line)}
.mega-panel-head h3{font-size:var(--text-2xl);margin:0}
.mega-cats{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-top:18px;background:var(--line)}
.mega-cats a{background:#fff;padding:18px;min-height:92px}
.mega-cats a:hover{background:var(--blue-soft)}
.mega-cats strong,.mega-cats span{display:block}
.mega-cats span{font-size:var(--text-xs);color:var(--muted);margin-top:6px}
.menu-toggle{display:none;margin-left:auto;width:44px;height:44px;border:0;background:transparent;color:#fff;font-size:var(--text-2xl)}

/* ── Hero ── */
.hero-v2{position:relative;min-height:calc(100svh - var(--nav-h));background:#05070a;color:#fff;display:flex;align-items:flex-end;overflow:hidden}
.hero-v2 picture,.hero-v2>img{position:absolute;inset:0;width:100%;height:100%}
.hero-v2 picture img,.hero-v2>img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-v2:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,5,9,.95) 0%,rgba(2,5,9,.7) 44%,rgba(2,5,9,.14) 76%,rgba(2,5,9,.25) 100%)}
.hero-content{position:relative;z-index:2;padding:100px 0 72px;max-width:680px}
.hero-content .display{max-width:640px}
.hero-content .lead{max-width:560px}
.hero-content .btn.secondary{color:#fff}
.hero-note{display:flex;gap:22px;align-items:center;margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.24);color:#c8d1df;font-size:var(--text-sm)}
.hero-note span{display:flex;align-items:center;gap:8px}
.hero-note i{width:7px;height:7px;border-radius:50%;background:var(--sky)}

/* ── Sections ── */
.section{padding:120px 0}.section.compact{padding:76px 0}
.section.dark{background:#07090d;color:#fff}.section.mist{background:var(--mist)}.section.blue{background:var(--blue);color:#fff}
.section-head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.7fr);gap:var(--space-xl);align-items:end;margin-bottom:68px}
.section-head p{margin:0;color:var(--muted);font-size:var(--text-md)}
.section.dark .section-head p{color:#aeb9c8}

/* ── Story ── */
.story-shell{display:grid;grid-template-columns:1fr 1fr;gap:68px;align-items:start}
.story-visual{position:sticky;top:92px;height:calc(100vh - 130px);min-height:560px;background:#0b1018;overflow:hidden}
.story-visual img{width:100%;height:100%;object-fit:cover;opacity:.82}
.story-visual:after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 120px rgba(0,0,0,.48)}
.story-index{position:absolute;z-index:2;left:28px;bottom:26px;font-size:var(--text-xs);letter-spacing:.16em;text-transform:uppercase;color:#c9d4e4}
.story-chapters{padding:16vh 0}
.story-chapter{min-height:72vh;display:flex;flex-direction:column;justify-content:center;border-top:1px solid #303846;padding:60px 0}
.story-chapter:first-child{border-top:0}
.story-chapter span{font-size:var(--text-sm);color:var(--sky);font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.story-chapter h3{font-size:var(--text-4xl);line-height:1.08;letter-spacing:-.025em;margin:18px 0}
.story-chapter p{font-size:var(--text-lg);color:#aeb9c8;max-width:560px}
.story-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.story-points b{padding:8px 12px;border:1px solid #3c4655;font-size:var(--text-sm);font-weight:600;color:#e2e8f0}

/* ── Solutions ── */
.solution-mosaic{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.solution-card{position:relative;min-height:420px;grid-column:span 4;background:var(--mist);overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:32px;color:#fff}
.solution-card.wide{grid-column:span 8}
.solution-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.5s ease}
.solution-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(3,7,12,.92),rgba(3,7,12,.08) 75%)}
.solution-card:hover img{transform:scale(1.025)}
.solution-card>div{position:relative;z-index:2}
.solution-card .num{font-size:var(--text-xs);color:#b9c7db;letter-spacing:.12em}
.solution-card h3{font-size:var(--text-3xl);line-height:1.12;margin:12px 0}
.solution-card p{color:#d5dce6;max-width:620px;margin:0}
.solution-card .text-link{color:#fff;margin-top:24px}

/* ── Brand Cloud ── */
.brand-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.brand-cloud span{padding:10px 16px;background:#fff;border:1px solid var(--line);font-size:14px;font-weight:650;color:#394150}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.proof{background:#fff;padding:36px;min-height:210px}
.proof strong{display:block;font-size:var(--text-5xl);letter-spacing:-.035em;color:var(--blue)}
.proof span{display:block;font-weight:700;margin-top:8px}
.proof p{font-size:14px;color:var(--muted);margin:12px 0 0}

/* ── Page Hero ── */
.page-hero{padding:104px 0 84px;background:#0b0e13;color:#fff;position:relative;overflow:hidden}
.page-hero.with-image{min-height:610px;display:flex;align-items:flex-end}
.page-hero.with-image>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.52}
.page-hero.with-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#07090d 5%,rgba(7,9,13,.72) 55%,rgba(7,9,13,.18))}
.page-hero .wrap{position:relative;z-index:2}
.page-hero .h1{max-width:970px}.page-hero .lead{max-width:800px}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:9px;align-items:center;font-size:var(--text-xs);color:#aab4c2;margin-bottom:44px}
.breadcrumbs a:hover{color:#fff}.breadcrumbs i{font-style:normal;color:#596576}

/* ── Content Patterns ── */
.intro-band{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2xl);align-items:start}
.intro-band .statement{font-size:var(--text-4xl);line-height:1.18;letter-spacing:-.03em;font-weight:600}
.intro-band .copy{font-size:var(--text-md);color:var(--muted)}
.capability-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);margin-top:var(--space-xl)}
.capability{background:#fff;padding:32px;min-height:220px}
.capability .num{font-size:var(--text-xs);color:var(--blue);letter-spacing:.12em}
.capability h3{font-size:var(--text-2xl);margin:18px 0 12px}
.capability p{color:var(--muted);margin:0}
.supplier-product-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin:10px 0 18px;border-top:1px solid var(--line)}
.supplier-product-links a{padding:9px 0;border-bottom:1px solid var(--line);color:var(--blue);font-size:var(--text-sm);font-weight:650}
.steps{counter-reset:step;display:grid;gap:0;border-top:1px solid var(--line)}
.step{counter-increment:step;display:grid;grid-template-columns:100px 1fr 1fr;gap:var(--space-lg);padding:36px 0;border-bottom:1px solid var(--line)}
.step:before{content:"0" counter(step);font-size:var(--text-xs);color:var(--blue);font-weight:700;letter-spacing:.1em}
.step h3{font-size:22px;margin:0}.step p{margin:0;color:var(--muted)}
.quote-band{padding:70px;background:var(--blue);color:#fff}
.quote-band blockquote{font-size:var(--text-4xl);line-height:1.16;letter-spacing:-.03em;margin:0;max-width:1000px}

/* ── Editorial Cards ── */
.editorial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-md)}
.editorial-card{background:#fff;min-width:0;display:flex;flex-direction:column}
.editorial-card .media{aspect-ratio:16/10;overflow:hidden;background:#dde3eb}
.editorial-card .media img{width:100%;height:100%;object-fit:cover;transition:.4s}
.editorial-card:hover .media img{transform:scale(1.025)}
.editorial-body{padding:26px 0;display:flex;flex-direction:column;flex:1;border-bottom:1px solid var(--line)}
.editorial-meta{display:flex;gap:10px;align-items:center;color:var(--blue);font-size:var(--text-xs);font-weight:700;letter-spacing:.05em}
.editorial-body h3{font-size:var(--text-xl);line-height:1.2;margin:12px 0}
.editorial-body p{color:var(--muted);margin:0 0 22px}
.editorial-body .text-link{margin-top:auto}
.dark .editorial-card{background:transparent}
.dark .editorial-body{border-color:#303846}.dark .editorial-body p{color:#aeb9c8}.dark .text-link{color:var(--sky)}

/* ── Catalog ── */
.catalog-head{padding:86px 0 70px;background:#0b0e13;color:#fff}
.catalog-head-row{display:flex;justify-content:space-between;gap:50px;align-items:end}
.catalog-counts{display:flex;gap:28px;color:#9da9b8}
.catalog-counts strong{display:block;color:#fff;font-size:var(--text-3xl)}
.catalog-series-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.series-card-v2{background:var(--mist);display:grid;grid-template-columns:46% 54%;min-height:390px;overflow:hidden}
.series-card-v2 img{width:100%;height:100%;object-fit:cover}
.series-card-v2>div{padding:34px;display:flex;flex-direction:column}
.series-card-v2 h2{font-size:31px;line-height:1.12;margin:12px 0}
.series-card-v2 p{color:var(--muted);margin:0}
.series-links{display:grid;margin:24px 0 22px;border-top:1px solid var(--line)}
.series-links a{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font-size:var(--text-sm)}
.series-card-v2 .text-link{margin-top:auto}
.catalog-layout{width:min(1440px,100%);margin:auto;display:grid;grid-template-columns:300px minmax(0,1fr)}
.catalog-sidebar{padding:30px 22px;border-right:1px solid var(--line);background:var(--mist);min-height:100vh}
.sidebar-close,.filter-toggle{display:none}
.sidebar-search label{display:block;font-size:var(--text-xs);font-weight:700;margin-bottom:8px}
.sidebar-search input{width:100%;height:44px;border:1px solid var(--line);padding:0 12px;background:#fff}
.side-group{border-top:1px solid var(--line)}.side-group:last-child{border-bottom:1px solid var(--line)}
.side-group summary{list-style:none;cursor:pointer;padding:15px 0;font-size:14px;font-weight:700;display:flex;justify-content:space-between}
.side-group summary::-webkit-details-marker{display:none}
.side-group ul{list-style:none;padding:0 0 12px;margin:0}
.side-group a{display:flex;justify-content:space-between;gap:12px;padding:9px 10px;font-size:var(--text-sm);color:#4f5967}
.side-group a:hover,.side-group a.active{background:#fff;color:var(--blue)}
.catalog-main{padding:46px 44px 100px;min-width:0}
.catalog-main>.breadcrumbs{color:var(--muted);margin-bottom:32px}
.catalog-main>.breadcrumbs a:hover{color:var(--blue)}
.category-head{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end;margin-bottom:42px}
.category-head .h1{font-size:var(--text-5xl)}
.category-head p{color:var(--muted);font-size:var(--text-md);max-width:700px}
.toolbar{display:flex;justify-content:space-between;gap:18px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;margin-bottom:24px}
.toolbar input,.toolbar select{height:42px;border:1px solid var(--line);background:#fff;padding:0 12px}
.toolbar input{width:min(360px,100%)}
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.product-card{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;min-width:0}
.product-card-visual{aspect-ratio:4/3;background:#eef1f5;position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:22px}
.product-card-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.58;filter:saturate(.72)}
.product-card-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,10,15,.88),rgba(7,10,15,.04) 70%)}
.product-card-visual.is-official{background:#fff}
.product-card-visual.is-official img{object-fit:contain;opacity:1;filter:none}
.product-card-visual.is-official:after{background:linear-gradient(0deg,rgba(7,10,15,.9),rgba(7,10,15,.72) 18%,transparent 46%)}
.product-card-code{position:relative;z-index:2;color:#fff}
.product-card-code small,.product-card-code strong{display:block}
.product-card-code small{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#cbd5e1}
.product-card-code strong{font-size:var(--text-xl);line-height:1.12;margin-top:5px}
.product-card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.product-brand{font-size:var(--text-xs);color:var(--blue);font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.product-card-body h3{font-size:var(--text-lg);line-height:1.22;margin:10px 0}
.product-card-body p{font-size:14px;color:var(--muted);margin:0 0 20px}
.product-card-body .text-link{margin-top:auto}.product-card.hidden{display:none}
.product-detail-hero{display:grid;grid-template-columns:1fr 1fr;min-height:580px;background:var(--mist)}
.product-context{position:relative;min-height:480px;overflow:hidden;background:#10151d;display:flex;align-items:flex-end;padding:40px;color:#fff}
.product-context img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.product-context:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,7,11,.92),transparent 70%)}
.product-context.is-official{background:#fff}
.product-context.is-official img{box-sizing:border-box;object-fit:contain;opacity:1;padding:24px 24px 112px}
.product-context.is-official:after{background:linear-gradient(0deg,rgba(4,7,11,.94),rgba(4,7,11,.78) 90px,transparent 170px)}
.product-context div{position:relative;z-index:2}
.product-context small{font-size:11px;text-transform:uppercase;letter-spacing:.13em;color:#b8c4d4}
.product-context strong{display:block;font-size:var(--text-3xl);margin-top:8px}
.product-copy{padding:56px;display:flex;flex-direction:column;justify-content:center}
.product-copy .h1{font-size:var(--text-5xl)}
.model{font-size:14px;color:var(--blue);font-weight:700;margin:18px 0 0}
.product-copy .lead{font-size:var(--text-md)}
.spec-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:68px}
.spec-table{width:100%;border-collapse:collapse}
.spec-table th,.spec-table td{text-align:left;vertical-align:top;padding:16px;border-bottom:1px solid var(--line);font-size:14px}
.spec-table th{width:190px;color:var(--muted);font-weight:600;background:var(--mist)}
.check-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:0;border-top:1px solid var(--line)}
.check-list li{padding:14px 0;border-bottom:1px solid var(--line)}
.check-list li:before{content:"✓";color:var(--green);font-weight:800;margin-right:10px}
.source-panel{margin-top:70px;padding:30px;background:#0b0e13;color:#fff;display:flex;justify-content:space-between;gap:30px;align-items:center}
.source-panel p{margin:0;color:#aeb9c8}.source-panel a{color:var(--sky);font-weight:700}
.source-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:12px 24px}

/* ── Case / Article ── */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:90px;align-items:start}
.prose{max-width:var(--read);font-size:var(--text-md)}
.prose h2{font-size:var(--text-4xl);line-height:1.15;margin:70px 0 20px;letter-spacing:-.02em}
.prose h3{font-size:var(--text-2xl);margin:40px 0 14px}
.prose p{color:#3f4753;margin:0 0 22px}
.prose ul,.prose ol{padding-left:1.3em;color:#3f4753}.prose li{margin:8px 0}
.prose table{width:100%;border-collapse:collapse;margin:30px 0;font-size:var(--text-base)}
.prose th,.prose td{padding:14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.prose th{background:var(--mist)}
.article-aside{position:sticky;top:86px;background:var(--mist);padding:26px}
.article-aside strong{display:block;margin-bottom:14px}
.article-aside a{display:block;padding:10px 0;border-top:1px solid var(--line);font-size:14px;color:var(--blue)}
.case-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.case-fact{background:#fff;padding:26px}.case-fact small,.case-fact strong{display:block}
.case-fact small{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.case-fact strong{font-size:var(--text-md);margin-top:10px}
.case-card .editorial-body{display:flex;flex-direction:column}
.case-card-outcomes{display:grid;gap:8px;margin:18px 0 22px}
.case-card-outcomes span{padding:9px 12px;border-left:3px solid var(--blue);background:var(--mist);font-size:var(--text-xs);font-weight:700;line-height:1.45}
.case-card .text-link{margin-top:auto}
.case-impact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-impact{min-height:260px;padding:30px;background:#fff;border-top:5px solid var(--blue);box-shadow:0 18px 50px rgba(15,26,44,.08)}
.case-impact span{display:block;color:var(--blue);font-size:var(--text-xs);font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.case-impact h3{margin:24px 0 14px;font-size:var(--text-xl);line-height:1.2}
.case-impact p{margin:0;color:var(--muted);line-height:1.8}
.evidence-boundary{margin:24px 0 0;padding:18px 20px;border:1px solid var(--line);background:rgba(255,255,255,.65);color:var(--muted);font-size:var(--text-sm);line-height:1.7}

/* ── Resource / Form ── */
.resource-list{border-top:1px solid var(--line)}
.resource-row{display:grid;grid-template-columns:70px 1fr auto;gap:26px;align-items:center;padding:26px 0;border-bottom:1px solid var(--line)}
.resource-row .file{width:54px;height:64px;background:var(--blue-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800}
.resource-row h3{margin:0 0 6px;font-size:22px}.resource-row p{margin:0;color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
.contact-method{padding:24px 0;border-top:1px solid var(--line)}.contact-method:last-child{border-bottom:1px solid var(--line)}
.contact-method small,.contact-method strong{display:block}
.contact-method small{color:var(--muted);font-size:var(--text-xs);margin-bottom:8px}
.contact-method strong{font-size:22px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:20px}.field.full{grid-column:1/-1}
.field label{display:block;font-size:var(--text-sm);font-weight:700;margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;border:0;border-bottom:2px solid #9aa3af;background:var(--mist);padding:13px 14px;color:var(--ink)}
.field input,.field select{height:50px}.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--blue);outline-offset:0;border-color:var(--blue)}
.form-note{font-size:var(--text-xs);color:var(--muted)}
.field.honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.privacy-consent{display:flex;align-items:flex-start;gap:10px;font-size:var(--text-sm);line-height:1.55;color:var(--muted)}
.privacy-consent input{flex:0 0 auto;width:18px;height:18px;margin-top:2px}
.privacy-consent a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.form-status{display:none;margin:0;padding:16px;font-weight:650}
.form-status.show,.form-receipt.show{display:block}
.form-status.success{background:#defbe6;color:#0e6027}.form-status.error{background:#fff0f0;color:#9f1717}
.form-receipt{display:none;margin-top:-8px;color:var(--blue);font-weight:700}
.form .btn:disabled{cursor:wait;opacity:.65}

/* ── Footer ── */
.footer{background:#07090d;color:#fff;padding:74px 0 48px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:44px}
.footer-brand p{color:#9da9b8;max-width:330px}
.footer h3{font-size:var(--text-sm);margin:0 0 18px;color:#fff}
.footer a{display:block;color:#aeb8c6;font-size:var(--text-sm);padding:6px 0}
.footer a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:30px;margin-top:58px;padding-top:24px;border-top:1px solid #28303b;color:#7f8a98;font-size:var(--text-xs)}

/* ── Reveal ── */
.reveal{opacity:1;transform:none}
.js-reveal .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.js-reveal .reveal.visible{opacity:1;transform:none}

/* ── Responsive ── */
@media(max-width:1180px){
  .main-nav>a,.nav-products-trigger{padding:0 8px;font-size:12px}.header-cta{display:none!important}
  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .series-card-v2{grid-template-columns:40% 60%}
  .solution-card{grid-column:span 6}.solution-card.wide{grid-column:span 6}
}
@media(max-width:960px){
  .wrap{width:min(var(--max),calc(100% - var(--space-lg)))}
  .menu-toggle{display:block}.main-nav{position:fixed;inset:var(--nav-h) 0 0;background:#0b0e13;display:none;align-items:stretch;justify-content:flex-start;flex-direction:column;overflow:auto;padding:18px 20px 50px}.main-nav.open{display:flex}.main-nav>a,.nav-products-trigger{height:52px;min-height:52px;font-size:var(--text-md);padding:0 10px;justify-content:space-between}.header-cta{display:flex!important;margin:8px 0!important;justify-content:center}.nav-products{height:auto}.mega{position:static;width:100%;display:none;grid-template-columns:1fr;opacity:1;visibility:visible;transform:none;box-shadow:none}.nav-products.open .mega{display:grid}.mega-detail{display:none}.mega-series{border:0;padding:6px 0}.mega-series>a{min-height:48px;padding:0 16px}
  .section{padding:88px 0}.section-head,.intro-band,.contact-grid{grid-template-columns:1fr;gap:30px}
  .story-shell{grid-template-columns:1fr;gap:0}.story-visual{position:relative;top:0;height:60vh;min-height:420px}.story-chapters{padding:0}.story-chapter{min-height:auto;padding:70px 0}
  .catalog-series-grid{grid-template-columns:1fr}.catalog-layout{grid-template-columns:1fr}.catalog-sidebar{position:fixed;z-index:140;inset:0 15% 0 0;transform:translateX(-110%);transition:.25s ease;overflow:auto;box-shadow:20px 0 50px rgba(0,0,0,.25)}.catalog-sidebar.open{transform:none}.sidebar-close{display:flex;position:sticky;top:0;width:100%;height:48px;align-items:center;justify-content:center;background:#111;color:#fff;border:0}.filter-toggle{display:inline-flex}.catalog-main{padding:34px 20px 80px}
  .product-detail-hero,.spec-layout,.article-layout{grid-template-columns:1fr}.article-aside{position:static}
  .proof-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr repeat(2,1fr)}
}
@media(max-width:640px){
  .wrap{width:calc(100% - 32px)}.mast-inner{padding:0 14px}.brand small{display:none}
  .hero-v2{min-height:calc(100svh - var(--nav-h));align-items:flex-end}.hero-v2:after{background:linear-gradient(0deg,rgba(2,5,9,.97),rgba(2,5,9,.34) 76%)}.hero-v2 picture img,.hero-v2>img{object-position:62% center}.hero-content{padding:90px 0 48px}.display{font-size:var(--text-5xl)}.hero-note{flex-direction:column;align-items:flex-start;gap:10px;margin-top:36px}
  .section{padding:72px 0}.section.compact{padding:54px 0}.section-head{margin-bottom:42px}.h1{font-size:var(--text-4xl)}.h2{font-size:var(--text-3xl)}.lead{font-size:var(--text-md)}
  .solution-mosaic{grid-template-columns:1fr}.solution-card,.solution-card.wide{grid-column:auto;min-height:390px;padding:24px}
  .proof-grid,.capability-list,.editorial-grid,.case-facts,.supplier-product-links,.case-impact-grid{grid-template-columns:1fr}.proof{min-height:auto}.step{grid-template-columns:50px 1fr;gap:20px}.step p{grid-column:2}.quote-band{padding:40px 24px}.case-impact{min-height:auto}
  .catalog-head-row,.category-head{display:block}.catalog-counts{margin-top:34px}.catalog-series-grid{gap:14px}.series-card-v2{grid-template-columns:1fr}.series-card-v2 img{height:240px}.series-card-v2>div{padding:26px}.catalog-main{padding-top:26px}.category-head .h1{font-size:var(--text-4xl)}.toolbar{align-items:stretch;flex-direction:column}.toolbar input{width:100%}.product-grid{grid-template-columns:1fr}.product-copy{padding:32px 24px}.product-context{min-height:360px}.spec-layout{gap:40px}.spec-table th{width:120px}.source-panel{align-items:flex-start;flex-direction:column}.article-layout{gap:44px}.prose{font-size:var(--text-md)}.prose h2{font-size:var(--text-3xl)}.resource-row{grid-template-columns:52px 1fr}.resource-row>.btn{grid-column:2;justify-self:start}.contact-grid{gap:46px}.form{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}