/* WashdownPC — Industrial B2B Stylesheet */
:root {
  --steel-900: #0f1e30;
  --steel-800: #12263a;
  --steel-700: #1e3a5f;
  --steel-600: #2b4d7a;
  --steel-500: #3f6aa3;
  --steel-100: #e6ecf3;
  --steel-50:  #f4f7fa;
  --accent:    #ff6b35;
  --accent-dk: #e25420;
  --ink:       #14202d;
  --muted:     #5a6a7a;
  --line:      #d8dee5;
  --ok:        #22a06b;
  --bg:        #ffffff;
  --radius:    4px;
  --shadow:    0 2px 10px rgba(15,30,48,.08);
  --maxw:      1180px;
  --font:      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--steel-700);text-decoration:none}
a:hover{color:var(--accent)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ========== TOP BAR ========== */
.topbar{background:var(--steel-900);color:#cfd8e1;font-size:13px;padding:6px 0}
.topbar .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.topbar a{color:#cfd8e1}
.topbar a:hover{color:#fff}

/* ========== HEADER ========== */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;box-shadow:var(--shadow)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--steel-700);font-size:20px}
.brand .logo{width:38px;height:38px}
.nav{display:flex;gap:6px;align-items:center;height:100%}
.nav > a,.nav > .has-drop{display:flex;align-items:center;height:100%}
.nav > a,.nav .has-drop > a{padding:10px 14px;color:var(--ink);font-weight:500;border-radius:var(--radius);line-height:1.2;display:inline-flex;align-items:center}
.nav a:hover,.nav a.active{background:var(--steel-50);color:var(--steel-700)}
.nav .has-drop{position:relative}
.nav .has-drop > a::after{content:" ▾";color:var(--muted);font-size:10px;margin-left:4px}
.nav a.btn{padding:11px 20px}
.nav a.btn:hover{background:var(--accent-dk);color:#fff}
.drop{position:absolute;top:100%;left:0;min-width:260px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:8px;border-radius:var(--radius);opacity:0;pointer-events:none;transform:translateY(4px);transition:all .15s}
.has-drop:hover .drop{opacity:1;pointer-events:auto;transform:none}
.drop a{display:block;padding:8px 10px;color:var(--ink);font-weight:500;border-radius:var(--radius)}
.drop a:hover{background:var(--steel-50);color:var(--steel-700)}
.drop small{display:block;color:var(--muted);font-weight:400;font-size:12px}

.btn{display:inline-block;padding:11px 20px;background:var(--accent);color:#fff;border-radius:var(--radius);font-weight:600;border:1px solid var(--accent);transition:background .15s;cursor:pointer}
.btn:hover{background:var(--accent-dk);color:#fff}
.btn.ghost{background:transparent;color:var(--steel-700);border-color:var(--steel-700)}
.btn.ghost:hover{background:var(--steel-700);color:#fff}
.btn.lg{padding:14px 28px;font-size:17px}

.mobile-toggle{display:none;background:none;border:0;font-size:26px;color:var(--steel-700);cursor:pointer}

/* ========== HERO ========== */
.hero{position:relative;background:linear-gradient(135deg,var(--steel-900) 0%,var(--steel-700) 60%,var(--steel-600) 100%);color:#fff;padding:80px 0 90px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:40px 40px;pointer-events:none}
.hero .container{position:relative;display:grid;grid-template-columns:1.15fr 1fr;gap:50px;align-items:center}
.hero h1,.hero h2,.hero h3{color:#fff}
.hero h1{font-size:44px;line-height:1.15;margin:10px 0 18px;font-weight:800;letter-spacing:-.5px;color:#fff}
.hero p,.hero p.lead{color:#d8e2ec}
.hero p.lead{font-size:18px;max-width:620px;margin:0 0 26px}
.hero .eyebrow{display:inline-block;background:rgba(255,107,53,.15);color:#ffb08d;padding:6px 12px;border-radius:var(--radius);font-size:12px;letter-spacing:1.5px;text-transform:uppercase;font-weight:700;border:1px solid rgba(255,107,53,.35)}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
.hero .badges{display:flex;gap:22px;flex-wrap:wrap;color:#b6c4d3;font-size:13px;font-weight:500}
.hero .badges span{display:flex;align-items:center;gap:6px}
.hero .badges span::before{content:"✓";color:var(--accent);font-weight:800}
.hero-visual{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:18px;backdrop-filter:blur(4px)}

/* ========== SECTIONS ========== */
section{padding:70px 0}
section.tight{padding:50px 0}
section.alt{background:var(--steel-50)}
section.dark{background:var(--steel-900);color:#e1e8ef}
section.dark h2,section.dark h3{color:#fff}
.section-head{text-align:center;max-width:760px;margin:0 auto 50px}
.section-head h2{font-size:34px;margin:0 0 12px;color:var(--steel-800);letter-spacing:-.3px}
.section-head p{color:var(--muted);font-size:17px;margin:0}
.section-head .eyebrow{display:inline-block;color:var(--accent);font-size:12px;letter-spacing:1.5px;text-transform:uppercase;font-weight:700;margin-bottom:10px}

h1,h2,h3,h4{color:var(--steel-800);line-height:1.25}
h1{font-size:38px;margin:0 0 16px}
h2{font-size:28px;margin:40px 0 14px}
h3{font-size:21px;margin:28px 0 10px}
h4{font-size:17px;margin:20px 0 8px}

/* ========== GRIDS ========== */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ========== CARDS ========== */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:all .2s}
.card:hover{border-color:var(--steel-500);box-shadow:var(--shadow);transform:translateY(-2px)}
.card h3{margin:14px 0 8px;font-size:19px}
.card p{color:var(--muted);margin:0 0 14px}
.card .icon{width:52px;height:52px;background:var(--steel-50);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--steel-700)}
.card .link{color:var(--steel-700);font-weight:600;font-size:14px}
.card .link::after{content:" →"}

.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:all .2s}
.product-card:hover{border-color:var(--steel-500);box-shadow:var(--shadow);transform:translateY(-3px)}
.product-card .thumb{background:linear-gradient(135deg,var(--steel-100),var(--steel-50));aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:18px;border-bottom:1px solid var(--line)}
.product-card .body{padding:22px;flex:1;display:flex;flex-direction:column}
.product-card h3{margin:0 0 8px;font-size:19px}
.product-card p{color:var(--muted);font-size:14px;margin:0 0 14px;flex:1}
.product-card .specs{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--steel-700);font-weight:600;margin-bottom:16px}
.product-card .specs span{background:var(--steel-50);padding:4px 10px;border-radius:var(--radius)}

/* ========== SPEC TABLE ========== */
.spec-table{width:100%;border-collapse:collapse;border:1px solid var(--line);font-size:14px}
.spec-table th,.spec-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.spec-table th{background:var(--steel-50);color:var(--steel-800);font-weight:700;width:36%;vertical-align:top}
.spec-table td{color:var(--ink)}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}

/* ========== CTA BAND ========== */
.cta-band{background:linear-gradient(100deg,var(--steel-900),var(--steel-700));color:#fff;padding:56px 0;text-align:center}
.cta-band h2{color:#fff;margin:0 0 10px}
.cta-band p{color:#c8d3df;margin:0 0 24px;font-size:17px}

/* ========== FOOTER ========== */
.site-footer{background:var(--steel-900);color:#a8b5c4;padding:60px 0 20px;font-size:14px}
.site-footer h4{color:#fff;margin:0 0 16px;font-size:15px;letter-spacing:.3px}
.site-footer a{color:#a8b5c4}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer ul li{margin-bottom:8px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.foot-grid .brand{color:#fff;margin-bottom:14px}
.foot-bottom{border-top:1px solid #1e2f42;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#7c8c9d}

/* ========== BREADCRUMB ========== */
.breadcrumb{background:var(--steel-50);border-bottom:1px solid var(--line);padding:12px 0;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--steel-700)}
.breadcrumb .sep{margin:0 8px;color:var(--line)}

/* ========== PAGE HERO (subpages) ========== */
.page-hero{background:linear-gradient(135deg,var(--steel-800),var(--steel-600));color:#fff;padding:60px 0}
.page-hero .eyebrow{display:inline-block;color:#ffb08d;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;font-weight:700;margin-bottom:10px}
.page-hero h1{color:#fff;font-size:40px;margin:0 0 12px;max-width:800px}
.page-hero p{color:#d8e2ec;font-size:18px;max-width:760px;margin:0}

/* ========== PRODUCT DETAIL ========== */
.product-hero{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;padding:50px 0}
.product-hero .visual{background:linear-gradient(135deg,var(--steel-100),#fff);border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;align-items:center;justify-content:center;min-height:360px}
.product-hero h1{font-size:36px}
.product-hero .tag{display:inline-block;background:var(--steel-50);color:var(--steel-700);padding:5px 12px;border-radius:var(--radius);font-size:12px;font-weight:700;letter-spacing:.5px;margin-bottom:12px;border:1px solid var(--steel-100)}
.feature-list{list-style:none;padding:0;margin:22px 0}
.feature-list li{padding:8px 0 8px 28px;position:relative}
.feature-list li::before{content:"";width:14px;height:14px;background:var(--accent);position:absolute;left:0;top:14px;clip-path:polygon(14% 44%,0 60%,40% 100%,100% 20%,84% 6%,40% 68%)}

/* ========== BLOG ========== */
article.post{max-width:780px;margin:0 auto;padding:50px 0}
article.post h1{font-size:38px;margin:10px 0 20px}
article.post .meta{color:var(--muted);font-size:14px;margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid var(--line)}
article.post p,article.post li{font-size:17px;line-height:1.75}
article.post img{margin:24px 0;border-radius:var(--radius);border:1px solid var(--line)}
article.post ul,article.post ol{padding-left:22px}
article.post blockquote{border-left:4px solid var(--accent);background:var(--steel-50);padding:16px 20px;margin:24px 0;font-style:italic;color:var(--steel-800)}
article.post h2{border-bottom:1px solid var(--line);padding-bottom:6px;margin-top:44px}

.blog-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:all .2s}
.blog-card:hover{box-shadow:var(--shadow);border-color:var(--steel-500);transform:translateY(-2px)}
.blog-card .thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--steel-700),var(--steel-500));position:relative;display:flex;align-items:end;padding:18px;color:#fff}
.blog-card .thumb .tag{font-size:12px;background:rgba(255,255,255,.18);padding:4px 10px;border-radius:var(--radius);font-weight:600;backdrop-filter:blur(4px)}
.blog-card .body{padding:22px;flex:1;display:flex;flex-direction:column}
.blog-card h3{font-size:19px;margin:0 0 10px;line-height:1.35}
.blog-card h3 a{color:var(--steel-800)}
.blog-card h3 a:hover{color:var(--accent)}
.blog-card .excerpt{color:var(--muted);font-size:14px;margin:0 0 14px;flex:1}
.blog-card .date{color:var(--muted);font-size:12px}

/* ========== QUOTE FORM ========== */
.quote-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.quote-box h3{margin-top:0}
form.quote-form label{display:block;font-weight:600;color:var(--steel-800);font-size:14px;margin-bottom:6px}
form.quote-form input,form.quote-form select,form.quote-form textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);font-family:var(--font);font-size:15px;margin-bottom:14px;background:#fff}
form.quote-form textarea{resize:vertical;min-height:110px}
form.quote-form input:focus,form.quote-form select:focus,form.quote-form textarea:focus{outline:none;border-color:var(--steel-500);box-shadow:0 0 0 3px rgba(63,106,163,.12)}
form.quote-form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* ========== FAQ ========== */
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin-bottom:12px}
.faq details[open]{border-color:var(--steel-500);box-shadow:var(--shadow)}
.faq summary{font-weight:600;color:var(--steel-800);cursor:pointer;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--accent);font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:14px 0 2px;color:var(--muted);line-height:1.7}

/* ========== UTIL ========== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats .stat{padding:22px 10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.stats .stat .num{font-size:34px;font-weight:800;color:var(--steel-700);line-height:1}
.stats .stat .lbl{font-size:13px;color:var(--muted);margin-top:6px;text-transform:uppercase;letter-spacing:.5px}

.tag{display:inline-block;background:var(--steel-50);color:var(--steel-700);padding:4px 10px;border-radius:var(--radius);font-size:12px;font-weight:600}

.split{display:grid;grid-template-columns:1.2fr 1fr;gap:46px;align-items:start}
.split.rev{grid-template-columns:1fr 1.2fr}

/* ========== RESPONSIVE ========== */
@media (max-width:920px){
  .nav{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:#fff;border-top:1px solid var(--line);padding:10px;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav .has-drop .drop{position:static;opacity:1;pointer-events:auto;transform:none;box-shadow:none;border:0;padding-left:20px}
  .mobile-toggle{display:block}
  .hero .container,.product-hero,.split,.split.rev{grid-template-columns:1fr;gap:30px}
  .hero h1{font-size:32px}
  h1,.page-hero h1{font-size:28px}
  h2,.section-head h2{font-size:24px}
  .grid-2,.grid-3,.grid-4,.foot-grid,.stats{grid-template-columns:1fr 1fr}
  form.quote-form .row{grid-template-columns:1fr}
  section{padding:50px 0}
}
@media (max-width:560px){
  .grid-2,.grid-3,.grid-4,.foot-grid,.stats{grid-template-columns:1fr}
  .hero{padding:50px 0 60px}
}