/* ============================================
   Custom CNC Automotive Door Hinges — Style
   Xiamen Goldcattle Plastic & Metal Products Co., Ltd.
   Aesthetic: Automotive Component Specification Sheet
   Theme: Steel-blue (#4a90c4) / deep navy on clean white
   Layout: Horizontal spec-card flow, technical sidebar panels,
           engineering drawing grid, procurement decision path
   ============================================ */

:root{
  --bg:#f7f9fb;
  --bg-alt:#edf2f7;
  --bg-card:#fff;
  --bg-card-hover:#f4f7fb;
  --bg-deep:#0c1e30;
  --bg-mid:#1a3450;
  --text-primary:#0f1c2e;
  --text-secondary:#2c3e52;
  --text-muted:#6a7d90;
  --blue:#4a90c4;
  --blue-hover:#3878ad;
  --blue-deep:#2d6a8f;
  --blue-light:rgba(74,144,196,.06);
  --blue-glow:rgba(74,144,196,.12);
  --steel:#5a7fa0;
  --amber:#c8850a;
  --amber-light:rgba(200,133,10,.07);
  --amber-border:rgba(200,133,10,.22);
  --red:#b83230;
  --red-light:rgba(184,50,48,.05);
  --red-border:rgba(184,50,48,.18);
  --green:#1e7a42;
  --green-light:rgba(30,122,66,.05);
  --green-border:rgba(30,122,66,.18);
  --border:#d4dfe9;
  --border-hover:#b0c4d8;
  --border-subtle:#e4ecf3;
  --radius:4px;
  --radius-lg:8px;
  --radius-xl:12px;
  --shadow:0 1px 4px rgba(12,30,48,.04);
  --shadow-md:0 4px 16px rgba(12,30,48,.07);
  --shadow-lg:0 8px 32px rgba(12,30,48,.10);
  --transition:all .2s ease;
}


/* ── Reset & Base ── */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',-apple-system,BlinkMacSystemFont,'Helvetica Neue',Arial,sans-serif;font-size:17px;line-height:1.72;color:var(--text-primary);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none;transition:color .2s}
a:hover{color:var(--blue-deep)}

.container{max-width:1200px;margin:0 auto;padding:0 32px}


/* ── Hero — three-panel specification intro ── */
.hero{background:linear-gradient(160deg,#0c1e30 0%,#16304a 40%,#1d3d58 70%,#0f2538 100%);padding:72px 0 56px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:repeating-linear-gradient(90deg,transparent,transparent 119px,rgba(74,144,196,.04) 119px,rgba(74,144,196,.04) 120px),repeating-linear-gradient(0deg,transparent,transparent 59px,rgba(74,144,196,.03) 59px,rgba(74,144,196,.03) 60px);pointer-events:none}
.hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:80px;background:linear-gradient(to top,var(--bg),transparent);pointer-events:none;z-index:1}

.hero-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(74,144,196,.10);border:1px solid rgba(74,144,196,.22);color:#92c5e8;padding:5px 14px;border-radius:3px;font-size:11px;font-weight:700;margin-bottom:16px;letter-spacing:1px;text-transform:uppercase}
.hero-badge .dot{width:5px;height:5px;border-radius:50%;background:#4ade80;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

.hero h2{font-size:34px;font-weight:800;color:#fff;line-height:1.18;margin-bottom:12px;letter-spacing:-.4px}
.hero-sub{font-size:17px;color:#a0bcd0;line-height:1.7;margin-bottom:22px;max-width:540px}

/* ── Hero feature grid — 2x2 spec blocks ── */
.hero-features{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:26px}
.hero-feat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);padding:14px 16px;border-radius:var(--radius)}
.hero-feat-title{font-size:12px;font-weight:700;color:#e8c870;letter-spacing:.4px;text-transform:uppercase;margin-bottom:4px}
.hero-feat-desc{font-size:14px;color:#b0ccdf;line-height:1.45}

.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.hero-img-wrap{position:relative}
.hero-img{display:block;width:100%;height:auto;border-radius:var(--radius-lg);box-shadow:0 6px 32px rgba(0,0,0,.28)}


/* ── Buttons ── */
.btn{display:inline-block;padding:13px 30px;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;transition:var(--transition);border:none;text-align:center;text-decoration:none}
.btn-blue{background:linear-gradient(135deg,#4a90c4,#2d6a8f);color:#fff;box-shadow:0 3px 12px rgba(74,144,196,.28)}
.btn-blue:hover{transform:translateY(-2px);box-shadow:0 5px 24px rgba(74,144,196,.38);color:#fff}
.btn-blue:focus-visible{outline:2px solid #a0d0f0;outline-offset:2px}
.cta-section .btn-blue{padding:15px 38px;font-size:16px;letter-spacing:.2px}
.cta-section .btn-blue:hover{animation:cta-pulse .6s ease}
@keyframes cta-pulse{0%{box-shadow:0 3px 12px rgba(74,144,196,.28)}50%{box-shadow:0 6px 32px rgba(74,144,196,.5)}100%{box-shadow:0 3px 12px rgba(74,144,196,.28)}}
.btn-outline{background:transparent;color:#a0bcd0;border:1.5px solid rgba(255,255,255,.18)}
.btn-outline:hover{border-color:#a0d0f0;color:#fff}


/* ── Sections ── */
.section{padding:56px 0}
.section-alt{background:var(--bg-alt)}
.section-deep{background:var(--bg-deep);color:#c4d8e8}
.section-deep h2{color:#fff}
.section-deep .section-desc{color:#8eafc4}
.section-deep h3{color:#d0e4f0}

.section-label{display:inline-block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1.6px;color:var(--blue);margin-bottom:8px;padding:3px 10px;background:var(--blue-light);border-radius:2px}
.section-num{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--blue);color:#fff;font-size:11px;font-weight:700;margin-right:8px;flex-shrink:0}

h2{font-size:24px;font-weight:700;color:var(--text-primary);margin-bottom:8px;letter-spacing:-.2px;line-height:1.3}
h3{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:6px;line-height:1.35}
.section-desc{font-size:17px;color:var(--text-secondary);margin-bottom:28px;max-width:860px;line-height:1.65}
.section-desc--center{margin-left:auto;margin-right:auto;text-align:center}
.section-desc--narrow{max-width:660px;margin-left:auto;margin-right:auto;text-align:center}


/* ── Answer Block — GEO-friendly direct answer ── */
.answer-block{background:var(--bg-card);border:1px solid var(--border);border-left:3px solid var(--blue);border-radius:var(--radius);padding:18px 22px;margin-bottom:24px;box-shadow:var(--shadow)}
.answer-block .answer-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--blue);margin-bottom:6px}
.answer-block p{font-size:17px;color:var(--text-primary);line-height:1.7}
.answer-block strong{color:var(--blue-deep)}


/* ── Product Type Table — manufacturing catalog ── */
.spec-table{width:100%;border-collapse:collapse;background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow)}
.spec-table th{background:linear-gradient(135deg,rgba(74,144,196,.08),rgba(45,106,143,.06));color:var(--blue-deep);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;padding:12px 16px;text-align:left;border-bottom:2px solid var(--blue)}
.spec-table td{font-size:15px;padding:11px 16px;border-bottom:1px solid var(--border-subtle);color:var(--text-secondary)}
.spec-table td:first-child{color:var(--text-primary);font-weight:600}
.spec-table tr:last-child td{border-bottom:none}
.spec-table tr:hover td{background:var(--blue-light)}
.spec-table .note{color:var(--text-muted);font-size:13px;font-style:italic}


/* ── Exploded View — component anatomy ── */
.exploded-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:32px;align-items:start}
.exploded-diagram{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 24px;text-align:center;box-shadow:var(--shadow-md)}
.exploded-diagram img{margin:0 auto}
.comp-list{list-style:none}
.comp-item{padding:14px 0;border-bottom:1px solid var(--border-subtle);display:grid;grid-template-columns:28px 1fr;gap:10px;align-items:start}
.comp-item:last-child{border-bottom:none}
.comp-dot{width:10px;height:10px;border-radius:50%;background:var(--blue);margin-top:5px}
.comp-item h3{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:3px}
.comp-item p{font-size:14px;color:var(--text-secondary);line-height:1.5}


/* ── Five-Point Differentiator — horizontal flow ── */
.diff-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.diff-item{padding:22px 16px;background:var(--bg-card);text-align:center;transition:var(--transition)}
.diff-item:hover{background:var(--blue-light)}
.diff-num{font-size:28px;font-weight:200;color:var(--blue);line-height:1;margin-bottom:10px}
.diff-item h3{font-size:14px;font-weight:700;color:var(--text-primary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.3px}
.diff-item p{font-size:13px;color:var(--text-secondary);line-height:1.5}


/* ── Design Considerations — 4-quadrant ── */
.design-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.design-block{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 20px;border-top:3px solid var(--blue);box-shadow:var(--shadow);transition:var(--transition)}
.design-block:hover{border-color:var(--blue);box-shadow:var(--shadow-md);transform:translateY(-1px)}
.design-block h3{font-size:15px;font-weight:700;color:var(--blue-deep);margin-bottom:8px;text-transform:uppercase;letter-spacing:.3px}
.design-block ul{list-style:none}
.design-block li{font-size:14px;color:var(--text-secondary);padding:3px 0;line-height:1.45}
.design-block li::before{content:'› ';color:var(--blue);font-weight:700}


/* ── Door Alignment — technical diagram style ── */
.align-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.align-diagram{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-md)}
.align-list{list-style:none}
.align-list li{display:flex;align-items:flex-start;gap:8px;padding:8px 0;border-bottom:1px solid var(--border-subtle);font-size:15px;color:var(--text-secondary)}
.align-list li:last-child{border-bottom:none}
.align-list li::before{content:'◆';color:var(--blue);font-size:10px;margin-top:4px;flex-shrink:0}
.align-note{margin-top:18px;font-size:15px;color:var(--text-secondary);line-height:1.6;padding:16px 20px;background:var(--blue-light);border:1px solid rgba(74,144,196,.12);border-radius:var(--radius)}


/* ── Pin & Bushing — paired specification ── */
.pin-bushing-layout{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.pin-col{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 18px;box-shadow:var(--shadow);transition:var(--transition)}
.pin-col:hover{border-color:var(--blue);box-shadow:var(--shadow-md);transform:translateY(-1px)}
.pin-col h3{font-size:16px;font-weight:700;color:var(--blue-deep);margin-bottom:10px;padding-bottom:8px;border-bottom:2px solid var(--blue)}
.pin-col ul{list-style:none}
.pin-col li{font-size:14px;color:var(--text-secondary);padding:4px 0;line-height:1.45}
.pin-col li::before{content:'→ ';color:var(--blue);font-weight:700}


/* ── Material Options — horizontal card strip ── */
.mat-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.mat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 14px;text-align:center;box-shadow:var(--shadow);transition:var(--transition);border-bottom:3px solid transparent}
.mat-card:hover{border-bottom-color:var(--blue);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.mat-card .mat-icon{font-size:26px;color:var(--blue);margin-bottom:8px;display:block}
.mat-card h3{font-size:14px;font-weight:700;margin-bottom:6px;color:var(--text-primary)}
.mat-card p{font-size:13px;color:var(--text-secondary);line-height:1.45}
.mat-note{margin-top:18px;font-size:15px;color:var(--text-secondary);line-height:1.6;padding:16px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);border-left:3px solid var(--blue);box-shadow:var(--shadow)}


/* ── Surface Treatment — 3-column ── */
.finish-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.finish-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.finish-card:hover{border-color:var(--blue);box-shadow:var(--shadow-md)}
.finish-head{padding:14px 18px;background:linear-gradient(135deg,rgba(74,144,196,.06),rgba(45,106,143,.04));border-bottom:1px solid var(--border-subtle)}
.finish-head h3{font-size:15px;font-weight:700;color:var(--blue-deep)}
.finish-body{padding:16px 18px}
.finish-body ul{list-style:none}
.finish-body li{font-size:14px;color:var(--text-secondary);padding:4px 0;line-height:1.45}
.finish-body li::before{content:'› ';color:var(--blue);font-weight:700}


/* ── CNC Capability — horizontal process bar ── */
.cnc-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.cnc-item{padding:20px 16px;background:var(--bg-card);text-align:center;transition:var(--transition)}
.cnc-item:hover{background:var(--blue-light)}
.cnc-item .cnc-icon{font-size:22px;color:var(--blue);margin-bottom:8px;display:block}
.cnc-item h3{font-size:14px;font-weight:700;margin-bottom:4px}
.cnc-item p{font-size:13px;color:var(--text-secondary);line-height:1.45}


/* ── Process Comparison — decision matrix ── */
.compare-matrix{width:100%;border-collapse:collapse;background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-md)}
.compare-matrix th{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;padding:12px 14px;text-align:left}
.compare-matrix th:first-child{background:linear-gradient(135deg,rgba(74,144,196,.10),rgba(45,106,143,.06));color:var(--blue-deep);border-bottom:2px solid var(--blue)}
.compare-matrix th:not(:first-child){background:var(--bg-alt);color:var(--text-primary);border-bottom:2px solid var(--border)}
.compare-matrix td{font-size:14px;padding:10px 14px;border-bottom:1px solid var(--border-subtle);color:var(--text-secondary)}
.compare-matrix td:first-child{color:var(--text-primary);font-weight:600}
.compare-matrix tr:last-child td{border-bottom:none}
.compare-matrix tr:hover td{background:var(--blue-light)}
.excellent{color:var(--green);font-weight:600}
.good{color:var(--blue);font-weight:500}
.limited{color:var(--amber);font-weight:500}
.depends{color:var(--text-muted);font-style:italic;font-size:13px}


/* ── Inspection — checklist style ── */
.inspect-layout{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.inspect-col{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 18px;box-shadow:var(--shadow)}
.inspect-col h3{font-size:15px;font-weight:700;color:var(--blue-deep);margin-bottom:10px;padding-bottom:8px;border-bottom:2px solid var(--blue)}
.inspect-col ul{list-style:none}
.inspect-col li{font-size:14px;color:var(--text-secondary);padding:4px 0;line-height:1.45;display:flex;align-items:flex-start;gap:6px}
.inspect-col li::before{content:'✓';color:var(--green);font-weight:700;font-size:13px;flex-shrink:0;margin-top:1px}
.inspect-note{margin-top:18px;font-size:15px;color:var(--text-secondary);line-height:1.6;padding:16px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);border-left:3px solid var(--amber);box-shadow:var(--shadow)}


/* ── Compliance — regulation cards ── */
.compliance-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.reg-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 20px;box-shadow:var(--shadow);transition:var(--transition)}
.reg-card:hover{border-color:var(--blue);box-shadow:var(--shadow-md)}
.reg-card .reg-tag{display:inline-block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;padding:3px 10px;border-radius:2px;margin-bottom:10px}
.reg-tag--us{background:var(--blue-light);color:var(--blue)}
.reg-tag--eu{background:rgba(30,122,66,.06);color:var(--green)}
.reg-tag--cs{background:var(--amber-light);color:var(--amber)}
.reg-card h3{font-size:15px;font-weight:700;margin-bottom:6px}
.reg-card p{font-size:14px;color:var(--text-secondary);line-height:1.55}
.reg-card .reg-link{display:inline-flex;align-items:center;gap:4px;margin-top:8px;font-size:13px;color:var(--blue);font-weight:600}
.reg-card .reg-link:hover{text-decoration:underline}
.compliance-note{margin-top:18px;font-size:15px;color:var(--text-secondary);line-height:1.6;padding:16px 20px;background:var(--amber-light);border:1px solid var(--amber-border);border-radius:var(--radius);box-shadow:var(--shadow)}


/* ── Supply Stage — horizontal timeline ── */
.stage-timeline{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.stage-item{padding:20px 14px;background:var(--bg-card);text-align:center;transition:var(--transition)}
.stage-item:hover{background:var(--blue-light)}
.stage-item .stage-name{font-size:13px;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.3px;margin-bottom:8px}
.stage-item p{font-size:13px;color:var(--text-secondary);line-height:1.45}
.stage-item .stage-role{font-size:12px;color:var(--text-muted);margin-top:6px;font-style:italic}


/* ── Replacement / Reverse Engineering — call-to-action panel ── */
.replace-panel{background:var(--bg-card);border:2px solid var(--blue);border-radius:var(--radius-lg);padding:32px 28px;box-shadow:var(--shadow-md);display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.replace-panel h3{font-size:18px;font-weight:700;color:var(--blue-deep);margin-bottom:8px}
.replace-panel p{font-size:15px;color:var(--text-secondary);line-height:1.6;margin-bottom:12px}
.replace-list{list-style:none}
.replace-list li{font-size:14px;color:var(--text-secondary);padding:5px 0;display:flex;align-items:center;gap:8px}
.replace-list li::before{content:'→';color:var(--blue);font-weight:700;font-size:14px}


/* ── Applications — category grid ── */
.app-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.app-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 18px;border-left:3px solid var(--blue);box-shadow:var(--shadow);transition:var(--transition)}
.app-card:hover{border-color:var(--blue);box-shadow:var(--shadow-md);transform:translateY(-1px)}
.app-card h3{font-size:15px;font-weight:700;color:var(--blue-deep);margin-bottom:8px}
.app-card ul{list-style:none}
.app-card li{font-size:14px;color:var(--text-secondary);padding:3px 0}
.app-card li::before{content:'› ';color:var(--blue);font-weight:700}


/* ── Manufacturing Case — structured template ── */
.case-block{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.case-header{padding:18px 24px;background:linear-gradient(135deg,rgba(74,144,196,.08),rgba(45,106,143,.05));border-bottom:1px solid var(--border-subtle)}
.case-header h3{font-size:16px;font-weight:700;color:var(--blue-deep)}
.case-body{padding:22px 24px}
.case-row{display:grid;grid-template-columns:140px 1fr;gap:12px;padding:8px 0;border-bottom:1px solid var(--border-subtle);font-size:15px}
.case-row:last-child{border-bottom:none}
.case-row .label{color:var(--text-muted);font-weight:600;font-size:13px}
.case-row .val{color:var(--text-secondary)}
.case-flow{display:flex;align-items:center;gap:8px;margin-top:14px;flex-wrap:wrap}
.case-flow span{font-size:13px;padding:5px 12px;background:var(--blue-light);border:1px solid rgba(74,144,196,.12);border-radius:var(--radius);color:var(--blue-deep);font-weight:500}
.case-flow .arrow{color:var(--text-muted);font-size:16px;padding:0;background:none;border:none}


/* ── Cost Factors — spec-table variant ── */
.cost-table{width:100%;border-collapse:collapse;background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow)}
.cost-table th{background:linear-gradient(135deg,rgba(74,144,196,.08),rgba(45,106,143,.05));color:var(--blue-deep);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;padding:12px 16px;text-align:left;border-bottom:2px solid var(--blue)}
.cost-table td{font-size:15px;padding:10px 16px;border-bottom:1px solid var(--border-subtle);color:var(--text-secondary)}
.cost-table td:first-child{color:var(--text-primary);font-weight:600}
.cost-table tr:last-child td{border-bottom:none}
.cost-table tr:hover td{background:var(--blue-light)}
.cost-note{margin-top:16px;font-size:15px;color:var(--text-secondary);line-height:1.6;padding:16px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);border-left:3px solid var(--blue);box-shadow:var(--shadow)}


/* ── RFQ Requirements — structured category list ── */
.rfq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.rfq-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 18px;box-shadow:var(--shadow);transition:var(--transition)}
.rfq-card:hover{border-color:var(--blue);box-shadow:var(--shadow-md)}
.rfq-card .rfq-num{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--blue);color:#fff;font-size:11px;font-weight:700;margin-bottom:8px}
.rfq-card h3{font-size:15px;font-weight:700;color:var(--text-primary);margin-bottom:6px}
.rfq-card ul{list-style:none}
.rfq-card li{font-size:14px;color:var(--text-secondary);padding:3px 0;line-height:1.45}
.rfq-card li::before{content:'› ';color:var(--blue);font-weight:700}

/* ── Critical Dimensions — engineering drawing info ── */
.dim-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:12px}
.dim-col{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 14px;box-shadow:var(--shadow)}
.dim-col h3{font-size:13px;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.3px;margin-bottom:8px;padding-bottom:6px;border-bottom:2px solid var(--blue)}
.dim-col ul{list-style:none}
.dim-col li{font-size:13px;color:var(--text-secondary);padding:3px 0}
.dim-col li::before{content:'⌐ ';color:var(--blue);font-weight:700;font-size:11px}


/* ── Why Goldcattle — proof strip ── */
.proof-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.proof-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 18px;text-align:center;box-shadow:var(--shadow);transition:var(--transition)}
.proof-card:hover{border-color:var(--blue);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.proof-card .proof-num{font-size:32px;font-weight:200;color:var(--blue);line-height:1;margin-bottom:6px}
.proof-card h3{font-size:14px;font-weight:700;color:var(--text-primary);margin-bottom:6px}
.proof-card p{font-size:13px;color:var(--text-secondary);line-height:1.45}


/* ── FAQ — accordion-ready structured list ── */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 18px;box-shadow:var(--shadow);transition:var(--transition)}
.faq-item:hover{border-color:var(--blue);box-shadow:var(--shadow-md)}
.faq-item h3{font-size:14px;font-weight:600;color:var(--text-primary);line-height:1.35;margin-bottom:8px}
.faq-item p{font-size:14px;color:var(--text-secondary);line-height:1.55}


/* ── CTA Section ── */
.cta-section{background:linear-gradient(160deg,#0c1e30 0%,#16304a 40%,#1d3d58 70%,#0f2538 100%);padding:64px 0;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:repeating-linear-gradient(90deg,transparent,transparent 119px,rgba(74,144,196,.03) 119px,rgba(74,144,196,.03) 120px);pointer-events:none}
.cta-layout{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;position:relative;z-index:2}
.cta-section h2{color:#fff;font-size:26px}
.cta-section .section-desc{color:#a0bcd0}
.cta-send-list{list-style:none;margin-bottom:20px}
.cta-send-list li{font-size:15px;color:#b0ccdf;padding:6px 0;display:flex;align-items:center;gap:8px}
.cta-send-list li::before{content:'→';color:#e8c870;font-weight:700;font-size:14px}
.cta-send-sub{font-size:14px;color:#8eafc4;margin-bottom:22px;line-height:1.5}
.cta-trust{display:flex;gap:16px;margin-top:18px;flex-wrap:wrap}
.cta-trust span{font-size:12px;color:#8eafc4;display:flex;align-items:center;gap:4px}
.cta-trust .check{color:#4ade80;font-size:13px}


/* ── Internal Links ── */
.int-links{margin-top:22px;padding-top:18px;border-top:1px solid var(--border-subtle);display:flex;flex-wrap:wrap;gap:10px}
.int-links a{font-size:13px;color:var(--blue);font-weight:600;padding:5px 12px;background:var(--blue-light);border-radius:var(--radius);transition:var(--transition)}
.int-links a:hover{background:var(--blue-glow);color:var(--blue-deep)}


/* ── Image + Caption ── */
.img-section{display:block;margin:0 auto 8px;border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}
.img-caption{font-size:13px;color:var(--text-muted);text-align:center;margin-bottom:24px;line-height:1.45}


/* ── Warning / Caution / Info callout blocks ── */
.callout{border-radius:var(--radius);padding:16px 20px;margin:16px 0;font-size:15px;line-height:1.6;box-shadow:var(--shadow)}
.callout--warn{background:var(--red-light);border:1px solid var(--red-border);color:var(--red)}
.callout--caution{background:var(--amber-light);border:1px solid var(--amber-border);color:var(--amber)}
.callout--good{background:var(--green-light);border:1px solid var(--green-border);color:var(--green)}
.callout--info{background:var(--blue-light);border:1px solid rgba(74,144,196,.12);color:var(--blue-deep)}
.callout strong{display:block;margin-bottom:4px;font-size:13px;text-transform:uppercase;letter-spacing:.4px}


/* ── Lightweight / EV section ── */
.lw-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.lw-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 18px;border-top:3px solid var(--blue);box-shadow:var(--shadow);transition:var(--transition)}
.lw-card:hover{border-color:var(--blue);box-shadow:var(--shadow-md);transform:translateY(-1px)}
.lw-card h3{font-size:15px;font-weight:700;color:var(--blue-deep);margin-bottom:6px}
.lw-card p{font-size:14px;color:var(--text-secondary);line-height:1.5}


/* ── Responsive ── */
@media(max-width:1024px){
  .hero-layout{grid-template-columns:1fr;gap:28px}
  .hero-features{grid-template-columns:1fr 1fr}
  .diff-flow{grid-template-columns:1fr 1fr 1fr}
  .mat-strip{grid-template-columns:repeat(3,1fr)}
  .stage-timeline{grid-template-columns:repeat(3,1fr)}
  .dim-grid{grid-template-columns:1fr 1fr}
  .proof-strip{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:768px){
  .hero{padding:48px 0 40px}
  .hero h2{font-size:26px}
  .hero-features{grid-template-columns:1fr}
  .hero-layout{gap:20px}
  h2{font-size:20px}
  .section{padding:40px 0}
  .container{padding:0 18px}
  .diff-flow{grid-template-columns:1fr 1fr}
  .design-grid{grid-template-columns:1fr}
  .align-layout{grid-template-columns:1fr}
  .pin-bushing-layout{grid-template-columns:1fr}
  .mat-strip{grid-template-columns:1fr 1fr}
  .finish-grid{grid-template-columns:1fr}
  .cnc-bar{grid-template-columns:1fr 1fr}
  .inspect-layout{grid-template-columns:1fr}
  .compliance-grid{grid-template-columns:1fr}
  .stage-timeline{grid-template-columns:1fr 1fr}
  .replace-panel{grid-template-columns:1fr}
  .app-grid{grid-template-columns:1fr 1fr}
  .rfq-grid{grid-template-columns:1fr}
  .dim-grid{grid-template-columns:1fr 1fr}
  .proof-strip{grid-template-columns:1fr 1fr}
  .faq-grid{grid-template-columns:1fr}
  .cta-layout{grid-template-columns:1fr}
  .exploded-layout{grid-template-columns:1fr}
  .lw-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .hero h2{font-size:22px}
  .diff-flow{grid-template-columns:1fr}
  .mat-strip{grid-template-columns:1fr}
  .stage-timeline{grid-template-columns:1fr}
  .cnc-bar{grid-template-columns:1fr}
  .app-grid{grid-template-columns:1fr}
  .dim-grid{grid-template-columns:1fr}
  .proof-strip{grid-template-columns:1fr}
}