/* V7.0 — planned engineering work samples and contextual evidence navigation */
.v70-hero,.v70-detail-hero{background:linear-gradient(125deg,#f6f5ef 0%,#eff1eb 100%);color:#143846;padding:34px 0 86px}
.v70-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(32px,6vw,85px);align-items:center}.v70-hero .v6-breadcrumb,.v70-detail-hero .v6-breadcrumb{margin:0 0 46px}
.v70-hero h1,.v70-detail-hero h1{font:400 clamp(48px,5.5vw,78px)/1.06 var(--serif,Georgia,serif);letter-spacing:-.055em;color:#183e4a;margin:21px 0 25px;max-width:780px}.v70-hero h1 em,.v70-detail-hero h1 em,.v70-section h2 em,.v70-explain h2 em,.v70-next h2 em{font-style:italic;font-weight:400;color:#b66a49}.v70-hero-lead{font-size:clamp(16px,1.5vw,21px);line-height:1.6;color:#385e66;max-width:630px;margin:0 0 18px}.v70-sublead{font-size:13px;line-height:1.85;color:#67828a;max-width:600px;margin:0 0 28px}
.v70-hero-side{max-width:500px;background:#fffefa;border:1px solid #c9d8d1;box-shadow:14px 16px 0 #e0e7de;padding:20px}.v70-side-overline{font:700 10px var(--mono,monospace);color:#b26d4e;letter-spacing:.1em;margin:0 0 17px}.v70-side-foot{font:700 10px var(--mono,monospace);color:#617c84;padding:17px 4px 1px;letter-spacing:.025em}.v70-side-foot span{margin:0 9px;color:#c57955}
.v70-document-blank{position:relative;background:#f9fbf8;border:1px solid #cbd9d3;min-height:270px;display:flex;flex-direction:column;background-image:linear-gradient(#b8cec411 1px,transparent 1px),linear-gradient(90deg,#b8cec411 1px,transparent 1px);background-size:22px 22px}.v70-document-tbar,.v70-document-bottom{display:flex;justify-content:space-between;gap:7px;font:700 8px var(--mono,monospace);letter-spacing:.07em;color:#8ca3a5;padding:12px 15px;border-bottom:1px solid #dce6df}.v70-document-bottom{border:0;border-top:1px solid #dce6df;margin-top:auto}.v70-document-center{display:flex;align-items:center;flex-direction:column;justify-content:center;text-align:center;gap:8px;flex:1;padding:35px 10px}.v70-document-icon{border:1px solid #b4cac4;width:48px;height:56px;padding:12px 10px;display:flex;flex-direction:column;gap:6px;opacity:.75;transform:rotate(-2deg)}.v70-document-icon span{display:block;height:3px;background:#b4cac4;width:80%}.v70-document-icon span:nth-child(2){width:100%}.v70-document-icon span:nth-child(3){width:60%}.v70-document-center strong{font:500 22px var(--serif,Georgia,serif);color:#52717a;margin-top:3px}.v70-document-center small{font:400 10px/1.5 var(--sans,Arial,sans-serif);color:#8a9ea2}
.v70-explain,.v70-section{padding:clamp(66px,7vw,102px) 0;background:#fffefa;color:#193f4a}.v70-explain{background:#173d4a;color:#fff;padding:52px 0}.v70-explain-grid{display:grid;grid-template-columns:.83fr 1.17fr;align-items:center;gap:40px}.v70-explain h2,.v70-section h2,.v70-next h2{font:400 clamp(34px,4vw,52px)/1.14 var(--serif,Georgia,serif);letter-spacing:-.04em;margin:15px 0 20px}.v70-explain h2{color:#fff}.v70-explain .v6-kicker{color:#e2a17f}.v70-explain-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.v70-explain-steps article{border-left:1px solid #5a7880;padding:10px 10px 10px 17px}.v70-explain-steps b{font:700 10px var(--mono,monospace);color:#e7a682}.v70-explain-steps strong{display:block;margin:12px 0 7px;font-size:13px;line-height:1.3;color:white}.v70-explain-steps p{font-size:11px;line-height:1.6;color:#b9cdcf;margin:0}
.v70-section-pale{background:#edf0e9}.v70-section-head{display:flex;gap:25px;align-items:end;justify-content:space-between;margin-bottom:31px}.v70-section-head>div{flex:1}.v70-section-head>p{flex:0 0 38%;color:#668088;font-size:13px;line-height:1.8;margin:0 0 7px}.v70-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.v70-sample-card{display:flex;flex-direction:column;background:#fffefa;border:1px solid #d0ddd5;transition:transform .2s,border-color .2s,box-shadow .2s;color:#1b424e;min-width:0}.v70-sample-card:hover{transform:translateY(-4px);border-color:#9ebcb6;box-shadow:0 16px 28px #163b4812}.v70-sample-art{height:208px;display:flex;align-items:center;justify-content:center;padding:20px 23px;flex-direction:column;background:#e7eeea;position:relative;overflow:hidden}.v70-art-2{background:#e9eff0}.v70-art-3{background:#edf0e4}.v70-art-chip{font:700 9px var(--mono,monospace);letter-spacing:.07em;color:#476972;position:absolute;top:17px;left:19px}.v70-art-frame{width:74%;max-width:260px;min-width:140px;height:133px;border:1px solid #adc6be;background:#fffdf8;box-shadow:7px 7px 0 #d4dfd8;padding:12px;transform:rotate(-3deg)}.v70-art-2 .v70-art-frame{transform:rotate(2deg)}.v70-art-mini-head,.v70-art-mini-foot{font:700 7px var(--mono,monospace);color:#a1b3af}.v70-art-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:12px 0}.v70-art-mini-grid i{height:25px;background:#eaf0eb;border:1px dashed #ceddd3}.v70-art-mini-foot{font-size:6px}.v70-card-content{display:flex;flex:1;flex-direction:column;padding:22px 23px 18px}.v70-card-eyebrow{display:flex;justify-content:space-between;gap:10px;align-items:center;font:700 8px var(--mono,monospace);text-transform:uppercase;letter-spacing:.04em;color:#9f674c}.v70-status{white-space:nowrap;padding:5px 6px;background:#f0e7df;color:#945e45;border:1px solid #e2d2c6;font-size:8px}.v70-card-content h3{font:400 27px/1.15 var(--serif,Georgia,serif);margin:18px 0 12px;letter-spacing:-.025em}.v70-card-content p{font-size:12px;color:#70858a;line-height:1.7;margin:0 0 22px}.v70-token-list{display:flex;flex-wrap:wrap;gap:6px}.v70-token-list span{font:600 9px var(--mono,monospace);background:#eff2ed;border:1px solid #dae4de;color:#55727a;padding:7px 8px}.v70-card-link{display:flex;justify-content:space-between;border-top:1px solid #d9e3dc;margin-top:auto;padding-top:19px;color:#a55f43;font-size:11px;font-weight:700}.v70-card-content .v70-token-list{margin-bottom:19px}
.v70-proof-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:7vw}.v70-proof-layout>div:first-child>p{font:400 13px/1.85 var(--sans,Arial,sans-serif);color:#617d84;margin-bottom:20px}.v70-text-link{display:inline-block;font:700 12px var(--sans,Arial,sans-serif);color:#245664;border-bottom:1px solid #99b1af;padding-bottom:6px}.v70-proof-list{background:#fffefa;border:1px solid #d7e1d9;padding:12px 22px}.v70-proof-list>div{display:grid;grid-template-columns:30px 1fr auto;align-items:center;gap:14px;padding:21px 0;border-bottom:1px solid #e2e9e3}.v70-proof-list>div:last-child{border:0}.v70-proof-list span{font:700 10px var(--mono,monospace);color:#b26d4e}.v70-proof-list strong{font-size:13px}.v70-proof-list small{font-size:10px;color:#7f9798;text-align:right}.v70-bottom,.v70-next{background:#183c49;color:#fff;padding:65px 0}.v70-bottom-grid,.v70-next-grid{display:flex;align-items:center;justify-content:space-between;gap:30px}.v70-bottom h2,.v70-next h2{font:400 42px var(--serif,Georgia,serif);margin:10px 0 15px;color:#fff}.v70-bottom p,.v70-next p{font-size:13px;color:#bad0d0;line-height:1.7;max-width:560px}.v70-bottom .v6-kicker,.v70-next .v6-kicker{color:#e4aa87}.v70-bottom-actions,.v70-next-action{display:flex;align-items:flex-start;gap:14px;flex-direction:column;min-width:240px}.v70-bottom-link{font-size:12px;color:#c9e4e1;text-decoration:underline;text-underline-offset:5px}.v70-bottom .v6-button-light{background:#fffefa;color:#19404c}
.v70-detail-hero{padding-bottom:65px}.v70-detail-head{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,.62fr);gap:65px;align-items:center}.v70-detail-head h1{font-size:clamp(40px,5.2vw,72px)}.v70-detail-head .v70-token-list{margin-top:27px}.v70-detail-aside{background:#fffefa;border:1px solid #cbd8d2;padding:28px}.v70-status-feature{font:400 29px var(--serif,Georgia,serif);color:#224a54;display:flex;align-items:center;gap:12px}.v70-status-dot{width:9px;height:9px;background:#b96d48;border-radius:50%}.v70-detail-aside p{font:400 12px/1.75 var(--sans,Arial,sans-serif);color:#758a8c;margin:15px 0 25px}.v70-detail-basis{display:grid;grid-template-columns:.85fr 1.15fr;gap:6vw}.v70-detail-basis>div:first-child>p{font:400 14px/1.8 var(--sans,Arial,sans-serif);color:#617c81}.v70-basis-card{background:#fffefa;border:1px solid #d4e0d9;padding:27px 31px}.v70-basis-card>strong{font:400 25px var(--serif,Georgia,serif)}.v70-basis-card ul{padding-left:19px;margin:17px 0 21px;color:#54747a;font:400 12px/1.85 var(--sans,Arial,sans-serif)}.v70-standards{font:400 11px/1.8 var(--sans,Arial,sans-serif);color:#728c92;border-top:1px solid #dde8df;padding-top:18px;margin:0}.v70-table-wrap{overflow:auto;border:1px solid #cbdcd2;background:white}.v70-register{border-collapse:collapse;min-width:690px;width:100%;font:400 12px/1.55 var(--sans,Arial,sans-serif)}.v70-register th{background:#e8eeea;text-align:left;padding:15px 18px;color:#234852;font-size:10px;letter-spacing:.04em}.v70-register td{padding:13px 18px;border-top:1px solid #e4eae4;color:#496975}.v70-register td:first-child{white-space:nowrap;font:700 10px var(--mono,monospace);color:#a05b42}.v70-table-status{font:700 9px var(--mono,monospace);color:#9c674e;background:#f5eae2;padding:5px 7px}.v70-preview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.v70-preview{background:#fffefa;border:1px solid #d5e0d8;min-width:0}.v70-preview-img{padding:15px;background:#e5ebe5}.v70-preview .v70-document-blank{min-height:210px}.v70-preview .v70-document-center{padding:15px 5px}.v70-preview .v70-document-center strong{font-size:18px}.v70-preview .v70-document-icon{width:38px;height:45px}.v70-preview-text{padding:20px}.v70-preview-code{font:700 9px var(--mono,monospace);color:#a5684e;letter-spacing:.06em}.v70-preview-text h3{font:400 22px var(--serif,Georgia,serif);margin:12px 0 7px}.v70-preview-text p{font:400 11px/1.6 var(--sans,Arial,sans-serif);color:#7b9192}.v70-related{display:flex;flex-wrap:wrap;gap:14px;margin-top:20px}.v70-related a{font:700 11px var(--sans,Arial,sans-serif);color:#d8e6df;border-bottom:1px solid #748e8d;padding-bottom:6px}.v70-next-action .v6-button-solid{background:#fffefa;color:#1c4654}.v70-next-action .v70-text-link{color:#dfebe7;border-color:#76939a}
.v70-home-section{background:#e9efeb}.v70-home-section .v70-section-head h2{margin-bottom:0}.v70-home-section .v70-cards{margin-bottom:26px}.v70-home-see-all{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #c6d7ce;padding-top:21px;gap:20px}.v70-home-see-all p{font-size:12px;color:#617e83;max-width:660px;line-height:1.7}.v70-home-see-all a{font-weight:700;font-size:12px;white-space:nowrap;color:#255865}.v70-context-strip{background:#edf1eb;border-top:1px solid #d2e0d7;border-bottom:1px solid #d2e0d7;padding:23px 0}.v70-context-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.v70-context-inner strong{display:block;color:#194451;font:400 23px var(--serif,Georgia,serif);margin:7px 0}.v70-context-inner p{font-size:12px;color:#668087;line-height:1.6;margin:0}.v70-context-inner>a{font-size:12px;color:#235763;border-bottom:1px solid #a9c0b9;white-space:nowrap;padding-bottom:6px;font-weight:700}
@media(max-width:1024px){.v70-hero-grid,.v70-proof-layout,.v70-detail-head{gap:28px}.v70-hero h1{font-size:57px}.v70-proof-list>div{grid-template-columns:26px 1fr}.v70-proof-list small{grid-column:2;text-align:left}.v70-card-eyebrow{flex-wrap:wrap}.v70-card-content h3{font-size:24px}}
@media(max-width:780px){.v70-hero-grid,.v70-explain-grid,.v70-detail-head,.v70-detail-basis,.v70-proof-layout{grid-template-columns:1fr}.v70-hero,.v70-detail-hero{padding:27px 0 58px}.v70-hero .v6-breadcrumb,.v70-detail-hero .v6-breadcrumb{margin-bottom:30px}.v70-hero h1{font-size:clamp(42px,10vw,61px)}.v70-hero-side{max-width:none;box-shadow:7px 8px 0 #dce6df}.v70-explain-steps{grid-template-columns:1fr 1fr 1fr}.v70-explain-steps article{padding-left:10px}.v70-cards,.v70-preview-grid{grid-template-columns:1fr 1fr}.v70-section-head{display:block}.v70-section-head>p{margin-top:20px}.v70-bottom-grid,.v70-next-grid{align-items:flex-start;flex-direction:column}.v70-document-blank{min-height:220px}}
@media(max-width:550px){.v70-cards,.v70-preview-grid,.v70-explain-steps{grid-template-columns:1fr}.v70-art-frame{height:117px}.v70-sample-art{height:185px}.v70-section,.v70-explain{padding:55px 0}.v70-explain-steps article{padding:7px 12px;border-left:2px solid #5b8081}.v70-proof-list>div{gap:9px;padding:17px 0}.v70-detail-aside{padding:23px}.v70-home-see-all,.v70-context-inner{flex-direction:column;align-items:flex-start;gap:11px}.v70-context-inner>a{white-space:normal}.v70-bottom h2,.v70-next h2{font-size:34px}}