/* Aurora Design Systems 45.1 • original engineering image portfolio • responsive */
:root{color-scheme:dark;--bg:#06111c;--navy:#071a2a;--panel:#0b2032;--line:#315269;--cyan:#86ecf5;--gold:#f0cb88;--type:#f1f8fd;--muted:#bacfdd}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;min-width:0;max-width:100%;overflow-x:clip}
body{margin:0;min-width:0;max-width:100%;overflow-x:clip;background:radial-gradient(ellipse at 10% 0,#103754 0%,#071522 46%,#04111a 100%);color:var(--type);font-family:system-ui,-apple-system,'Segoe UI',Arial,sans-serif;line-height:1.5}
a{color:inherit}a:focus-visible,button:focus-visible{outline:3px solid #b0f4ff;outline-offset:3px}
.sitehead{position:relative;z-index:5;background:#04101ddf;border-bottom:1px solid #2b5366;backdrop-filter:blur(9px)}
.sitehead-inner{max-width:1560px;margin:auto;min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:12px clamp(16px,3vw,36px)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:0}
.brand img{width:48px;height:48px;flex:none}
.brand strong{display:block;font-size:16px;line-height:1.12;letter-spacing:.075em}
.brand small{display:block;color:#aec8d8;font-size:11px;letter-spacing:.06em;margin-top:4px}
nav{display:flex;align-items:center;flex-wrap:wrap;justify-content:flex-end;gap:6px}
nav a{padding:10px 11px;color:#cde4f0;font-weight:750;font-size:12px;border:1px solid transparent;border-radius:7px;white-space:nowrap;text-decoration:none}
nav a:hover,nav a[aria-current="page"]{border-color:#3a7488;background:#123446;color:#fff}
.wide{width:min(100% - 44px,1440px);margin:0 auto}
.eyebrow{text-transform:uppercase;letter-spacing:.17em;font-size:12px;color:var(--cyan);font-weight:850}
.portfolio-hero{display:grid;grid-template-columns:minmax(300px,.87fr) minmax(400px,1.13fr);background:linear-gradient(115deg,#0c2a42 0%,#092039 58%,#122b3d 100%);border:1px solid #376077;border-radius:19px;overflow:hidden;margin-top:26px;box-shadow:0 22px 60px #0004;min-height:470px}
.portfolio-hero-copy{padding:clamp(25px,4.5vw,64px);display:flex;flex-direction:column;justify-content:center}
h1{font-size:clamp(38px,4.9vw,72px);letter-spacing:-.035em;line-height:1.02;margin:18px 0 19px;font-weight:820}
.portfolio-hero p{color:#cee4ed;font-size:clamp(15px,1.2vw,19px);max-width:680px;line-height:1.65}
.portfolio-hero-art{position:relative;background:#eaf1f6;min-width:0}
.portfolio-hero-art img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}
.portfolio-hero-art .art-caption{position:absolute;bottom:15px;right:15px;left:15px;padding:10px 14px;background:#071522d9;color:#f5fcff;font-weight:700;font-size:12px;border-radius:6px;backdrop-filter:blur(7px)}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.actions a,.btn-link{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 15px;border:1px solid #66c5d5;border-radius:8px;background:#0f4259;color:#edfbff;font-size:13px;font-weight:750;text-decoration:none}
.actions a.secondary{color:#e9d3ab;border-color:#8b754b;background:#342d21}
.metrics{display:flex;gap:14px;flex-wrap:wrap;margin:22px 0 4px;color:#d3e6ef;font-size:13px}
.metrics span{padding:8px 12px;border:1px solid #41677a;border-radius:30px;background:#0b293e}
.main{padding:26px 0 78px}
.section-title{display:flex;justify-content:space-between;gap:20px;align-items:flex-end;margin:34px 0 14px}
.section-title h2{font-size:clamp(26px,2.7vw,38px);margin:5px 0 0;line-height:1.14;letter-spacing:-.023em}
.section-title p{font-size:14px;color:var(--muted);max-width:570px;margin:0;line-height:1.55}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 20px}
.filter{font:inherit;font-size:13px;font-weight:760;color:#d6e7f1;background:#0b2638;border:1px solid #386078;border-radius:999px;padding:10px 17px;cursor:pointer}
.filter:hover,.filter[aria-pressed="true"]{background:#d7f5ff;color:#0a2435;border-color:#d7f5ff}
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.case-card{display:flex;flex-direction:column;min-width:0;overflow:hidden;border:1px solid #35596e;border-radius:14px;background:linear-gradient(170deg,#10283b,#071929);text-decoration:none;transition:transform .17s,box-shadow .17s,border-color .17s}
.case-card:hover{transform:translateY(-3px);border-color:#8fdde9;box-shadow:0 14px 36px #0004}
.case-card[hidden]{display:none!important}
.case-picture{height:248px;display:flex;align-items:center;justify-content:center;background:linear-gradient(#eff4f6,#e1ebef);padding:12px}
.case-picture img{display:block;width:100%;height:100%;object-fit:contain;object-position:center}
.case-body{padding:20px 21px 22px;display:flex;flex:1;flex-direction:column}
.case-category{font-size:11px;text-transform:uppercase;letter-spacing:.15em;font-weight:850;color:#8de9f3}
.case-body h3{font-size:23px;line-height:1.2;letter-spacing:-.02em;margin:10px 0}
.case-body p{font-size:14px;line-height:1.55;color:#c5dae6;margin:0 0 22px}
.case-open{display:inline-flex;align-items:center;gap:7px;border-top:1px solid #345268;padding-top:13px;margin-top:auto;font-size:13px;font-weight:800;color:#c8f9ff}
.proof-note{display:grid;grid-template-columns:minmax(220px,1fr) minmax(200px,1.2fr);gap:25px;background:#0a2738;border:1px solid #35586d;border-radius:14px;padding:24px 27px;margin-top:36px}
.proof-note h2{font-size:23px;margin:0 0 8px}
.proof-note p{margin:0;color:#c4dbe7;font-size:14px;line-height:1.7}
footer{padding:23px 0 32px;border-top:1px solid #365568;color:#a9c4d4;background:#051320;font-size:12px}
footer .footer-in{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
footer a{color:#b8ecfa}
.crumbs{font-size:13px;color:#afd6e8;margin:24px 0}.crumbs a{color:#96eaf5}
.detail-hero{display:grid;grid-template-columns:minmax(300px,.85fr) minmax(400px,1.15fr);min-height:420px;gap:0;overflow:hidden;background:#0c2940;border:1px solid #35647a;border-radius:18px}
.detail-intro{padding:clamp(25px,4.2vw,56px);display:flex;flex-direction:column;justify-content:center}
.detail-intro h1{font-size:clamp(36px,4.4vw,62px)}
.detail-intro p{font-size:16px;color:#c8e0ed;line-height:1.7}
.detail-img{background:#ecf2f5;display:flex;align-items:center;justify-content:center;min-height:370px;padding:16px}
.detail-img img{display:block;width:100%;height:100%;max-height:520px;object-fit:contain}
.detail-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:20px 0 22px}
.detail-panel{padding:22px;border:1px solid #355b72;border-radius:12px;background:#0b2234}
.detail-panel h2{margin:0 0 10px;font-size:20px}
.detail-panel p,.detail-panel ul{margin:0;color:#c6d9e5;font-size:14px;line-height:1.7}
.detail-panel ul{padding-left:19px}
.detail-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:18px 0 32px}
.detail-gallery figure{margin:0;overflow:hidden;background:#0a263a;border:1px solid #3a5d72;border-radius:12px}
.detail-gallery button{display:block;width:100%;padding:12px;border:0;cursor:zoom-in;background:#e8f0f4}
.detail-gallery img{display:block;width:100%;height:370px;object-fit:contain}
.detail-gallery figcaption{padding:12px 17px 15px;font-size:13px;color:#c9e2ed}
.case-next{display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap;margin:24px 0 45px}
.lightbox{border:0;padding:0;max-width:min(94vw,1600px);max-height:94vh;color:#fff;background:#061525;box-shadow:0 20px 80px #000c;border-radius:10px}
.lightbox::backdrop{background:rgba(0,0,0,.82)}.lightbox img{display:block;max-width:92vw;max-height:85vh;object-fit:contain}
.lightbox-close{display:block;margin:0 0 0 auto;background:#12354b;color:#fff;border:0;padding:10px 18px;font-weight:800;cursor:pointer}
@media(max-width:1100px){.case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.portfolio-hero{grid-template-columns:1fr}.portfolio-hero-art{max-height:450px}.detail-hero{grid-template-columns:1fr}.detail-columns{grid-template-columns:1fr}.section-title{align-items:flex-start;flex-direction:column}}
@media(max-width:680px){.wide{width:min(100% - 24px,1440px)}.sitehead-inner{padding:12px 13px;flex-direction:column;align-items:flex-start;gap:8px}.brand img{width:37px;height:37px}.brand strong{font-size:13px}.brand small{font-size:9px}.sitehead nav{justify-content:flex-start;gap:2px;width:100%}nav a{font-size:11px;padding:8px 8px}.main{padding-top:12px}.portfolio-hero{margin-top:12px;min-height:0}.portfolio-hero-copy{padding:27px 21px}.portfolio-hero h1{margin:10px 0 8px;font-size:38px}.portfolio-hero p{font-size:14px}.portfolio-hero-art{max-height:245px}.portfolio-hero-art img{height:230px}.portfolio-hero-art .art-caption{font-size:10px}.case-grid{grid-template-columns:1fr;gap:13px}.case-picture{height:230px}.case-body h3{font-size:22px}.metrics{gap:8px}.metrics span{font-size:12px}.proof-note{grid-template-columns:1fr;padding:20px}.section-title{margin-top:20px}.detail-intro{padding:26px 21px}.detail-img{min-height:240px}.detail-img img{max-height:300px}.detail-gallery{grid-template-columns:1fr}.detail-gallery img{height:260px}.crumbs{margin:16px 0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.case-card{transition:none}}

/* Aurora 45.2: compact, image-led portfolio opening; actual CAD images, no collage */
.portfolio-hero{
  display:grid;
  grid-template-columns:minmax(340px,.89fr) minmax(0,1.11fr);
  min-height:0;
  margin-top:14px;
  background:linear-gradient(120deg,#10324b 0%,#09253c 45%,#091f34 100%);
  box-shadow:0 12px 38px #0003;
  border-radius:15px;
}
.portfolio-hero-copy{padding:clamp(24px,3.2vw,45px);align-items:flex-start}
.portfolio-hero .eyebrow{font-size:11px;letter-spacing:.135em;line-height:1.5}
.portfolio-hero h1{font-size:clamp(35px,3.65vw,55px);line-height:1.06;letter-spacing:-.028em;max-width:520px;margin:14px 0 15px}
.portfolio-hero h1 span{display:block;color:#c8eff9}
.portfolio-hero p:not(.hero-proof){font-size:clamp(14px,1.05vw,16px);line-height:1.58;margin:0;max-width:480px;color:#d2e4ee}
.portfolio-hero .actions{margin-top:20px;gap:9px}
.portfolio-hero .actions a{min-height:40px;padding:9px 14px;font-size:12px;gap:10px}
.portfolio-hero .actions .secondary{background:#26333c;color:#f3e1c4;border-color:#776846}
.portfolio-hero .hero-proof{margin:21px 0 0;display:flex;flex-wrap:wrap;gap:7px;color:#a9c6d4;font-size:11px;line-height:1.5;max-width:520px}
.portfolio-hero .hero-proof span{color:#65cdd9}
.portfolio-hero-gallery{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:10px;padding:15px;background:#0c2739;min-height:350px;min-width:0}
.portfolio-hero-gallery a{min-width:0;min-height:0;display:flex;flex-direction:column;overflow:hidden;background:#eef4f6;border:1px solid #406174;border-radius:10px;color:inherit;text-decoration:none;transition:border-color .2s,transform .2s}
.portfolio-hero-gallery a:hover{border-color:#93e5f2;transform:translateY(-2px)}
.portfolio-hero-gallery img{display:block;width:100%;min-height:0;flex:1 1 auto;object-fit:contain;object-position:center;background:#edf2f5;padding:12px}
.portfolio-hero-gallery .hero-feature img{height:290px}
.portfolio-hero-gallery .hero-support{display:grid;grid-template-rows:repeat(2,minmax(0,1fr));gap:10px;min-width:0;min-height:0}
.portfolio-hero-gallery .hero-support img{height:115px;padding:9px}
.portfolio-hero-gallery .hero-image-caption{display:flex;align-items:baseline;justify-content:space-between;gap:8px;min-height:37px;padding:10px 12px;background:#112b3d;color:#d8ebf2;font-size:11px;line-height:1.2;letter-spacing:.015em}
.portfolio-hero-gallery .hero-image-caption strong{font-size:10px;letter-spacing:.08em;color:#88e1ed;font-weight:800}
.portfolio-hero-gallery .hero-image-caption span{color:#d4e7ef}
@media(max-width:970px){
  .portfolio-hero{grid-template-columns:minmax(0,1fr)}
  .portfolio-hero-copy{padding:29px 29px 24px}
  .portfolio-hero h1{font-size:clamp(37px,5vw,53px);max-width:none}
  .portfolio-hero h1 span{display:inline}
  .portfolio-hero-gallery{min-height:325px;padding:13px}
}
@media(max-width:680px){
  .portfolio-hero{margin-top:9px;border-radius:13px}
  .portfolio-hero-copy{padding:24px 18px 22px}
  .portfolio-hero .eyebrow{font-size:10px}
  .portfolio-hero h1{font-size:clamp(32px,8.8vw,42px);margin:10px 0 12px;max-width:480px}
  .portfolio-hero h1 span{display:block}
  .portfolio-hero p:not(.hero-proof){font-size:14px;line-height:1.52}
  .portfolio-hero .hero-proof{font-size:10px;gap:5px;margin-top:15px}
  .portfolio-hero .actions{gap:8px;margin-top:17px}
  .portfolio-hero .actions a{font-size:11px;min-height:39px}
  .portfolio-hero-gallery{padding:9px;gap:8px;min-height:0;grid-template-columns:1fr}
  .portfolio-hero-gallery .hero-feature img{height:210px}
  .portfolio-hero-gallery .hero-support{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:none;gap:8px}
  .portfolio-hero-gallery .hero-support img{height:126px}
  .portfolio-hero-gallery .hero-image-caption{min-height:32px;padding:8px 9px;font-size:10px}
  .portfolio-hero-gallery .hero-image-caption strong{font-size:9px}
}
@media(prefers-reduced-motion:reduce){.portfolio-hero-gallery a{transition:none}}


/* Aurora 45.3 documentation review: no changes to Work Companies or site root */
.documentation-work{margin-top:54px;border-top:1px solid #345367;padding-top:25px;scroll-margin-top:20px}
.documentation-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}
.documentation-heading h2{font-size:clamp(29px,3vw,41px);line-height:1.13;letter-spacing:-.02em;margin:6px 0 0;max-width:700px}
.documentation-heading p{max-width:480px;color:#b8cfdd;font-size:14px;line-height:1.65;margin:0}
.doc-navigation{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.doc-navigation a{display:flex;min-width:0;align-items:flex-start;flex-direction:column;gap:5px;padding:20px;border:1px solid #3b6279;border-radius:14px;background:linear-gradient(138deg,#12344b,#0b2235);text-decoration:none;transition:border-color .18s,transform .18s}
.doc-navigation a:hover{transform:translateY(-2px);border-color:#92e4f0}
.doc-navigation a>span{font-size:11px;font-weight:850;letter-spacing:.15em;color:#86e6f4}
.doc-navigation a strong{font-size:19px;line-height:1.25}
.doc-navigation a small{color:#b6cbda;font-size:12px;line-height:1.5}
.doc-review-disclaimer{margin-top:17px;background:#2b281d;border:1px solid #9b855a;color:#e7dac1;padding:15px 18px;border-radius:11px;font-size:12px;line-height:1.55}
.doc-review-disclaimer strong{color:#ffdf9c}
.doc-section{margin-top:34px;scroll-margin-top:26px}
.doc-section-head{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:18px}
.doc-section-head h3{margin:3px 0 9px;font-size:clamp(25px,2.2vw,33px);letter-spacing:-.02em;line-height:1.2}
.doc-section-head p{margin:0;max-width:800px;color:#bfd5e1;font-size:14px;line-height:1.55}
.doc-section-count{font-size:11px;font-weight:850;letter-spacing:.15em;color:var(--cyan)}
.doc-section-tag{flex:none;padding:9px 12px;border-radius:40px;background:#12394a;border:1px solid #47798d;color:#bcf2f7;font-size:12px;font-weight:800}
.doc-section-pending{color:#edd5a4;background:#2c2a20;border-color:#816b46}
.document-gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}
.document-figure{min-width:0;margin:0;overflow:hidden;background:#112b3c;border:1px solid #345b70;border-radius:12px}
.document-figure>button{display:flex;align-items:center;justify-content:center;width:100%;height:228px;cursor:zoom-in;border:0;background:#f2f5f8;padding:10px}
.document-figure>button:hover{background:#fff}
.document-figure img{max-width:100%;width:100%;height:100%;object-fit:contain}
.document-figure figcaption{display:flex;flex-direction:column;gap:5px;padding:13px 14px 16px}
.document-figure figcaption strong{font-size:15px;color:#ecf9ff;line-height:1.25}
.document-figure figcaption span{font-size:12px;color:#b3cada;line-height:1.5}
.schematic-pending{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
.schematic-existing{display:grid;grid-template-columns:minmax(120px,1fr) 1fr;gap:15px;min-width:0;border-radius:13px;border:1px solid #3b6379;background:#112c40;overflow:hidden;padding:12px}
.schematic-existing img{width:100%;height:208px;object-fit:contain;background:#e8f2f5;border-radius:7px}
.schematic-existing div{display:flex;flex-direction:column;justify-content:center;gap:8px;padding:8px 10px}
.schematic-existing strong{font-size:19px;line-height:1.3}
.schematic-existing span{font-size:13px;color:#b6cfdc;line-height:1.6}
.schematic-empty{min-height:227px;border:2px dashed #426c80;border-radius:12px;background:#092237;padding:24px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.schematic-empty-icon{font-size:35px;color:#9cdde9;line-height:1;margin-bottom:13px}
.schematic-empty strong{font-size:18px;color:#eef7fb;line-height:1.3}
.schematic-empty p{font-size:13px;color:#b7cede;max-width:440px;margin:8px 0 0;line-height:1.6}
@media(max-width:1200px){.document-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.document-figure>button{height:255px}}
@media(max-width:800px){.documentation-heading{display:block}.documentation-heading p{margin-top:12px}.doc-navigation{grid-template-columns:1fr}.doc-navigation a{padding:16px 19px}.doc-section-head{align-items:flex-start}.schematic-pending{grid-template-columns:1fr}}
@media(max-width:600px){.documentation-work{margin-top:34px}.documentation-heading h2{font-size:28px}.document-gallery{grid-template-columns:1fr}.document-figure>button{height:255px}.doc-section-head{gap:10px}.doc-section-tag{font-size:10px;white-space:nowrap}.schematic-existing{grid-template-columns:1fr}.schematic-existing img{height:180px}.schematic-empty{min-height:195px;padding:20px}.document-figure figcaption{padding:12px 13px 15px}}


/* Aurora 45.6 — schematic-first proof sequence; JPG artifacts only */
.portfolio-topic-nav{display:flex;flex-wrap:wrap;gap:10px;padding:20px 0 2px}
.portfolio-topic-nav a{padding:11px 16px;border:1px solid #447389;border-radius:999px;background:#102d40;text-decoration:none;color:#d6f3fb;font-size:13px;font-weight:750}
.portfolio-topic-nav a:hover{background:#1c4c61;border-color:#8ce6f2}
.documentation-work{margin-top:25px}
.schematic-feature{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,.85fr);gap:16px;min-width:0}
.schematic-feature figure{margin:0;min-width:0;overflow:hidden;background:#102a3c;border:1px solid #39657a;border-radius:13px}
.schematic-feature button{display:flex;align-items:center;justify-content:center;width:100%;cursor:zoom-in;border:0;background:#fff;padding:18px;min-height:0}
.schematic-feature img{display:block;width:100%;height:100%;object-fit:contain;max-width:100%}
.schematic-large button{height:390px}
.schematic-large figcaption{padding:13px 16px 18px;display:flex;flex-direction:column;gap:5px}
.schematic-large figcaption strong{font-size:17px;color:#effaff}
.schematic-large figcaption span{font-size:13px;color:#bcd3e1}
.schematic-side{display:flex;flex-direction:column;gap:13px;min-width:0}
.schematic-side .schematic-detail button{height:215px;padding:10px}
.schematic-detail figcaption{padding:11px 14px;color:#b9d6e4;font-size:12px}
.schematic-explanation{padding:17px 18px;border-radius:12px;border:1px solid #376177;background:#0e273a}
.schematic-explanation h4{font-size:17px;margin:0 0 7px;color:#f5fbff}
.schematic-explanation p{color:#c4dce8;font-size:13px;line-height:1.6;margin:0 0 10px}
.schematic-explanation small{color:#86b8c9;line-height:1.5;display:block}
.additional-evidence{margin-top:16px;border:1px solid #385e72;background:#0b2335;border-radius:13px;padding:0 15px 15px}
.additional-evidence>summary{cursor:pointer;font-weight:750;color:#d4f5fa;font-size:14px;padding:15px 4px}
.additional-evidence>p{color:#bdcedd;margin:0 3px 14px;font-size:13px}
.additional-evidence .document-gallery{padding:8px 0 0}
.document-figure>button{background:#fff}
.case-grid{scroll-margin-top:18px}
@media(max-width:950px){.schematic-feature{grid-template-columns:1fr}.schematic-side{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.schematic-large button{height:355px}}
@media(max-width:640px){.portfolio-topic-nav{gap:7px;padding-top:14px}.portfolio-topic-nav a{font-size:12px;padding:9px 11px}.schematic-large button{height:245px;padding:9px}.schematic-side{grid-template-columns:1fr}.schematic-side .schematic-detail button{height:200px}.schematic-explanation{padding:15px}.documentation-work{margin-top:18px}}

/* 45.6 R1: review presentation and accessible image captions */
.doc-review-disclaimer{background:#102c3f;border-color:#3d6b80;color:#c8e0ed}
.doc-review-disclaimer strong{color:#a9edf5}
.lightbox-caption{margin:0;padding:10px 16px 15px;color:#d5e9f3;font-size:13px;max-width:95ch}
.lightbox img{max-height:78vh}

html{scroll-behavior:auto}

/* 45.6 R2: one portfolio page, direct enlargement and inline design notes */
.case-image{display:block;width:100%;border:0;padding:0;background:transparent;cursor:zoom-in;color:inherit;font:inherit}
button.case-open{width:100%;background:transparent;border:0;border-top:1px solid #345268;text-align:left;cursor:zoom-in;font:inherit;font-size:13px;font-weight:800;color:#c8f9ff}
.case-notes{margin-top:15px;border-top:1px solid #345268;padding-top:11px}
.case-notes summary{cursor:pointer;font-weight:700;font-size:13px;color:#b8deed}
.case-note-body{padding-top:8px;color:#c5dae6}
.case-note-body h4{margin:13px 0 4px;font-size:13px;color:#e3f6ff}
.case-note-body p,.case-note-body ul{font-size:13px;line-height:1.6;margin:0 0 8px}
.case-note-body ul{padding-left:19px}
.case-card:target{outline:2px solid #8fe5ef;outline-offset:4px}
.schematic-single{grid-template-columns:minmax(0,1fr)}
.schematic-single .schematic-large button{height:clamp(270px,38vw,480px)}
.lightbox-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;background:#102c40}
.lightbox-position{padding:9px 16px;font-size:13px;color:#bad7e6}
.lightbox-controls{display:flex;justify-content:space-between;gap:14px;padding:0 16px 15px}
.lightbox-controls button{font:inherit;font-size:13px;border:1px solid #477b91;border-radius:6px;background:#163e53;color:#e3f4fa;padding:8px 13px;cursor:pointer}
.lightbox-controls button[hidden]{display:none}
.lightbox img{max-height:72vh;max-width:92vw;margin:auto}
@media(max-width:640px){.schematic-single .schematic-large button{height:280px}.lightbox-caption{font-size:12px}.lightbox-controls button{font-size:12px}}

/* R4: clearly identify the representative modem illustration. */
.case-body .image-provenance{font-size:11px;line-height:1.5;color:#a9c7d7;margin:-9px 0 18px}
.case-note-body a{color:#a4edf7}