/* TECHNICAL-DEEP-DIVE-0915C — service-page technical depth */
.vf-technical-deep-dive{position:relative;overflow:hidden;background:#f3f6f8;color:#0a2744}
.vf-technical-deep-dive:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(10,39,68,.035) 1px,transparent 1px),linear-gradient(rgba(10,39,68,.035) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.62),transparent 92%)}
.vf-technical-deep-dive .container{position:relative;z-index:1}
.vf-deep-dive-head{display:grid;grid-template-columns:minmax(0,1.03fr) minmax(320px,.72fr);gap:64px;align-items:end;margin-bottom:42px}
.vf-deep-dive-head h2{max-width:760px;margin-top:11px;font-size:clamp(2.15rem,4vw,3.55rem);line-height:1.04;letter-spacing:-.045em}
.vf-deep-dive-head>p{max-width:600px;margin:0 0 5px;font-size:.96rem;line-height:1.85;color:#4b6176}
.vf-deep-dive-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.vf-deep-dive-card{position:relative;min-height:290px;padding:30px 32px 32px;background:#fff;border:1px solid #d9e2e9;box-shadow:0 18px 48px rgba(7,28,48,.055);overflow:hidden;transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease}
.vf-deep-dive-card:after{content:"";position:absolute;right:-58px;bottom:-58px;width:150px;height:150px;border:1px solid rgba(199,28,53,.12);border-radius:50%;box-shadow:0 0 0 24px rgba(199,28,53,.025),0 0 0 48px rgba(10,39,68,.018)}
.vf-deep-dive-card:hover{transform:translateY(-4px);border-color:rgba(199,28,53,.32);box-shadow:0 26px 64px rgba(7,28,48,.09)}
.vf-deep-dive-card-head{display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:start;padding-bottom:20px;border-bottom:1px solid #e2e8ed}
.vf-deep-dive-card-head span{display:grid;place-items:center;width:42px;height:42px;border:1px solid rgba(199,28,53,.25);background:#fff5f6;color:#c71c35;font-size:.66rem;line-height:1;letter-spacing:.14em;font-weight:800}
.vf-deep-dive-card h3{margin:6px 0 0;font-size:1.18rem;line-height:1.3;letter-spacing:-.02em}
.vf-deep-dive-card ul{position:relative;z-index:1;display:grid;gap:11px;margin:22px 0 0;padding:0;list-style:none}
.vf-deep-dive-card li{position:relative;padding-left:19px;color:#425b72;font-size:.84rem;line-height:1.62}
.vf-deep-dive-card li:before{content:"";position:absolute;left:0;top:.68em;width:7px;height:1px;background:#c71c35}
.vf-deep-dive-note{margin:26px 0 0;padding:20px 24px;border-left:3px solid #c71c35;background:#0a2744;color:#e8eef4;font-size:.88rem;line-height:1.7;font-weight:600}
.vf-deep-dive-plumbing-utilities .vf-deep-dive-card:first-child,.vf-deep-dive-industrial-fabrication-custom-solutions .vf-deep-dive-card:first-child{border-top:3px solid #0a2744}
.vf-deep-dive-plumbing-utilities .vf-deep-dive-card:last-child,.vf-deep-dive-industrial-fabrication-custom-solutions .vf-deep-dive-card:last-child{border-top:3px solid #c71c35}
@media(max-width:900px){.vf-deep-dive-head{grid-template-columns:1fr;gap:20px;margin-bottom:34px}.vf-deep-dive-head>p{max-width:700px}.vf-deep-dive-grid{grid-template-columns:1fr}.vf-deep-dive-card{min-height:0}}
@media(max-width:620px){.vf-deep-dive-head h2{font-size:2.25rem}.vf-deep-dive-card{padding:24px 22px 26px}.vf-deep-dive-card-head{grid-template-columns:42px 1fr;gap:13px}.vf-deep-dive-card-head span{width:38px;height:38px}.vf-deep-dive-card h3{font-size:1.06rem}.vf-deep-dive-card li{font-size:.8rem}}
@media(prefers-reduced-motion:reduce){.vf-deep-dive-card{transition:none}.vf-deep-dive-card:hover{transform:none}}