:root{--navy:#10253a;--deep:#091b2e;--ink:#1a3043;--muted:#627384;--blue:#08679f;--crimson:#a32345;--paper:#f7f8fa;--line:#dce4ea;--serif:Georgia,"Times New Roman",serif;--sans:Arial,Helvetica,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}
button,a{font:inherit}
button{cursor:pointer}
a{color:inherit}
img{max-width:100%;height:auto}
::selection{background:#b8dcee;color:#10253a}
:focus-visible{outline:3px solid #1da1e7;outline-offset:4px}
.skip-link{position:absolute;left:14px;top:-60px;background:white;color:var(--navy);padding:10px 15px;z-index:20}
.skip-link:focus{top:8px}
.container{width:min(1280px,calc(100% - 84px));margin-inline:auto}
.site-header{position:relative;background:#fff;z-index:10;border-bottom:1px solid #e7edf1}
.header-inner{min-height:100px;display:flex;align-items:center;gap:34px}
.brand{display:inline-flex;align-items:center;gap:15px;text-decoration:none;margin-right:auto;min-width:max-content}
.brand-symbol{width:59px;height:59px;display:grid;place-items:center;background:#fff;border:1px solid #e2e8ed;border-radius:15px}
.brand-symbol img{width:55px;height:55px;object-fit:contain}
.brand-name{display:block;font-size:17px;letter-spacing:.115em;font-weight:800;line-height:1.1;color:var(--navy)}
.brand-name .brand-word-primary{color:#10253a}
.brand-name .brand-word-accent{color:#a32345}
/* A quiet tonal fade echoes the embroidered TL logo without softening the type. */
@supports ((-webkit-background-clip:text) or (background-clip:text)){
 .brand-name .brand-word-primary{background:linear-gradient(105deg,#0b2541 0%,#123f60 72%,#1b6388 100%)}
 .brand-name .brand-word-accent{background:linear-gradient(105deg,#8f1e3e 0%,#a32345 58%,#b93158 100%)}
 .brand-name .brand-word{background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}
}
.brand-name small{display:block;font-size:10px;letter-spacing:.23em;text-transform:uppercase;color:#748493;font-weight:600;margin-top:7px}
.desktop-nav{display:flex;align-items:center;gap:35px}
.desktop-nav a{font-size:13px;font-weight:700;text-decoration:none;color:#41566b;transition:color .2s}
.desktop-nav a:hover{color:var(--crimson)}
.header-action{font-size:13px;font-weight:700;white-space:nowrap;text-decoration:none;background:var(--navy);color:#fff;padding:14px 19px;border-radius:5px;transition:background .2s,transform .2s}
.header-action:hover{background:#194664;transform:translateY(-1px)}
.header-action span{margin-left:13px;color:#8ec6e8}
.header-entry-links{display:flex;align-items:center;gap:8px;flex:none}
.hero{position:relative;overflow:hidden;background:linear-gradient(124deg,#164968 0%,#216582 60%,#237c99 100%);color:#fff}
.hero-halo{position:absolute;border-radius:50%;pointer-events:none}
.hero-halo-one{width:700px;height:700px;background:radial-gradient(circle,#1872a43b 0%,transparent 68%);right:-240px;top:-260px}
.hero-halo-two{width:560px;height:560px;background:radial-gradient(circle,#90214133 0%,transparent 65%);left:-340px;bottom:-300px}
.hero-grid{position:relative;min-height:720px;display:grid;grid-template-columns:minmax(0,1fr) minmax(480px,.96fr);align-items:center;gap:72px;padding-block:95px 100px}
.hero-content{max-width:615px;padding-bottom:5px}
.eyebrow,.section-kicker,.mini-eyebrow{font-size:11px;letter-spacing:.2em;font-weight:800;text-transform:uppercase}
.eyebrow{display:flex;gap:14px;align-items:center;color:#a1c2d5}
.eyebrow-line{width:32px;height:2px;background:#d04665}
h1,h2,h3,p{margin-top:0}
h1,h2{font-family:var(--serif);font-weight:400;letter-spacing:-.045em}
h1{font-size:clamp(56px,5.3vw,89px);line-height:1.055;margin:31px 0 27px}
h1 em,h2 em{font-weight:400;font-style:italic;color:#e2aabc}
.hero-intro{font-size:17px;max-width:540px;color:#bed0df;line-height:1.8;margin-bottom:35px}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;text-decoration:none;border-radius:5px;padding:15px 21px;font-size:14px;font-weight:750;min-height:53px;transition:transform .2s,background .2s,border-color .2s}
.button:hover{transform:translateY(-2px)}
.button-primary{background:#ae2e4f;color:#fff;border:1px solid #ae2e4f}
.button-primary:hover{background:#c03c5d}
.button-quiet{color:#e9f2f7;border:1px solid #6c889d;background:#ffffff08}
.button-quiet:hover{background:#ffffff16}
.button span:last-child{font-size:17px;font-weight:400}
.hero-note{margin:34px 0 0;color:#a4bbcc;font-size:12px;display:flex;align-items:center;gap:10px}
.note-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#73bdde;box-shadow:0 0 0 4px #74b9da25}
.hero-visual{position:relative;border:1px solid #adc6d36b;border-radius:12px;background:#f8fbfd;color:var(--ink);box-shadow:0 25px 85px #03111f7d;overflow:hidden;transform:rotate(-1deg)}
.visual-masthead{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:22px 25px 17px;background:#fff;border-bottom:1px solid #e0e9ef}
.visual-masthead strong{display:block;margin-top:4px;font-family:var(--serif);font-size:22px;font-weight:400;letter-spacing:-.03em}
.mini-eyebrow{font-size:10px;letter-spacing:.16em;color:#73899a}
.visual-mark{border:1px solid #dce5eb;border-radius:3px;padding:5px 8px;font-size:10px;letter-spacing:.1em;color:#8596a4;font-weight:800}
.tree-scroll{overflow-x:auto;padding:14px 23px 17px}
.pedigree-tree{display:grid;grid-template-columns:1.06fr 1.11fr 1fr;grid-template-rows:25px repeat(8,35px);gap:4px;min-width:410px}
.tree-head{font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#6d8294;text-align:center}
.tree-head.h1{grid-column:1;grid-row:1}.tree-head.h2{grid-column:2;grid-row:1}.tree-head.h3{grid-column:3;grid-row:1}
.tree-node{min-width:0;grid-column:var(--c);grid-row:calc(var(--r) + 1) / span var(--span,1);display:flex;align-items:center;justify-content:center;min-height:0;border:1px solid #bac9d5;border-radius:3px;background:#fff;color:#324b60;font-size:11px;font-weight:650;text-align:center;padding:4px 3px;overflow:hidden}
.tree-node.first{flex-direction:column;gap:5px;font-size:16px;color:var(--navy);background:#f0f5fa;border-color:#7899b1}
.tree-node.first.dam{background:#f5f6f9}
.node-meta{font-size:9px;letter-spacing:.1em;color:#7993a5}
.tree-node.small{font-size:10px}
.tree-node.highlight-gold{background:#fff4b9;border-color:#ddc56b}
.tree-node.highlight-blue{background:#d8ebf8;border-color:#99bed7}
.tree-node.highlight-red{background:#f8d6df;border-color:#d6a0b0}
.tree-node.patterned{background-color:white;background-image:radial-gradient(#a32345 1px,transparent 1.35px);background-size:7px 7px;border:3px solid #92203f}
.visual-footer{border-top:1px solid #e0e8ed;background:#fff;display:flex;flex-wrap:wrap;align-items:center;gap:19px;padding:15px 23px;font-size:10px;color:#667b8b}
.visual-footer>span{display:flex;gap:6px;align-items:center}
.visual-footer i{width:12px;height:12px;display:inline-block;border:1px solid #c9b071;border-radius:2px}
.visual-footer .key-solid{background:#fff4b9}
.visual-footer .key-dots{background-color:white;background-image:radial-gradient(#a32345 1px,transparent 1.35px);background-size:4px 4px;border:2px solid #92203f}
.visual-footer .visual-disclaimer{margin-left:auto;color:#8c9ba6;font-style:italic}
.hero-bottom-line{position:absolute;inset:auto 0 0;height:4px;background:linear-gradient(to right,#a32345 0 27%,#135b8a 27% 100%)}
.measurement-band{background:#fff;border-bottom:1px solid #e1e8ec}
.band-inner{min-height:104px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.band-label{font-size:11px;font-weight:850;color:#8b9ba6;letter-spacing:.13em}
.band-items{display:flex;align-items:center;flex-wrap:wrap;gap:45px;color:#29415a}
.band-items span{position:relative;font-family:var(--serif);font-size:22px}
.band-items span+span:before{content:"";position:absolute;left:-23px;top:43%;width:4px;height:4px;background:#a6b4bf;border-radius:50%}
.section-pad{padding-block:116px}
.section-kicker{display:block;color:#a52d4b;margin-bottom:24px}
.section-intro{display:grid;grid-template-columns:1.25fr .75fr;align-items:end;gap:85px;margin-bottom:67px}
h2{font-size:clamp(40px,4.25vw,64px);line-height:1.14;max-width:750px;margin:0}
h2 em{color:var(--crimson)}
.section-intro>p{font-size:17px;color:var(--muted);line-height:1.85;margin:0 0 6px}
.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:#d9e3e9;border:1px solid #d9e3e9;border-radius:9px;overflow:hidden}
.principles article{background:#fff;padding:40px 39px 43px;min-height:340px;position:relative}
.principle-index{position:absolute;right:35px;top:29px;font:15px var(--serif);color:#9caebc}
.principle-icon{height:69px;width:69px;position:relative;margin-bottom:37px;display:grid;place-items:center;background:#edf4f8;border-radius:13px}
.path-icon:before,.path-icon:after{content:"";position:absolute;background:#2f729e}
.path-icon:before{width:3px;height:38px}.path-icon:after{width:42px;height:3px;top:22px}
.path-icon span{position:absolute;width:8px;height:8px;background:#a52848;border-radius:50%;top:17px}
.path-icon span:nth-child(1){left:13px}.path-icon span:nth-child(2){right:13px}.path-icon span:nth-child(3){top:49px;left:30px}
.clarity-icon:before{content:"";width:36px;height:36px;border:3px solid #2f729e;border-radius:50%}
.clarity-icon:after{content:"";width:19px;height:3px;transform:rotate(47deg);background:#a52848;position:absolute;right:10px;bottom:13px;border-radius:4px}
.integrity-icon:before{content:"";width:34px;height:40px;border:3px solid #2f729e;border-radius:5px;transform:rotate(-8deg)}
.integrity-icon:after{content:"✓";font-weight:bold;font-size:26px;color:#a52848;position:absolute;bottom:10px;right:14px}
.principles h3{font:28px/1.2 var(--serif);letter-spacing:-.02em;margin-bottom:16px}
.principles p{font-size:15px;color:var(--muted);line-height:1.85;margin:0}
.methods-section{background:#eaf0f4;border-top:1px solid #d8e4eb;border-bottom:1px solid #d8e4eb}
.methods-grid{display:grid;grid-template-columns:1fr .95fr;gap:90px;align-items:center}
.methods-copy>p{color:var(--muted);max-width:520px;line-height:1.8;margin:24px 0 35px}
.method-selector{display:grid;gap:8px;max-width:530px}
.method-selector button{display:flex;align-items:center;justify-content:space-between;padding:13px 19px;border:1px solid #d5e0e6;background:#f7f9fa;border-radius:5px;color:#2b475f;font-size:19px;font-weight:800;letter-spacing:.01em;text-align:left;transition:background .2s,border-color .2s}
.method-selector button span{font-size:13px;font-weight:500;color:#698197;letter-spacing:0}
.method-selector button:hover{border-color:#8daec4}
.method-selector button[aria-selected="true"]{border-color:#1c658f;background:#fff;box-shadow:inset 4px 0 #a32345}
.method-detail{background:#fff;padding:42px 46px 40px;border:1px solid #cfdee7;border-radius:9px;box-shadow:0 15px 38px #172c3d0d;min-height:445px}
.method-extra p{font-size:13px;line-height:1.55;color:#627688;margin:0}
.method-color-key{background:#f3f8fb;border:1px solid #d4e3ed;border-radius:7px;padding:15px 17px;margin-top:13px}
.method-key-items{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;margin-top:10px}
.method-key-item{display:flex;align-items:flex-start;gap:8px;font-size:12px;font-weight:700;color:#40596f}
.method-key-item::before{content:"";flex:none;width:18px;height:15px;margin-top:2px;border-radius:2px}
.method-key-solid::before{background:#f4df80;border:1px solid #c3a843}
.method-key-dots::before{background-color:#fff;background-image:radial-gradient(#a32345 1px,transparent 1.4px);background-size:5px 5px;border:2px solid #a32345}
.method-key-item strong{display:block;font-size:12px;color:#29475e;line-height:1.35}
.method-key-item p{margin-top:5px;line-height:1.45;font-weight:400}
.method-extra .method-summary{margin:13px 0 0;color:#40596f;font-size:13px}
.method-more{border-top:1px solid #dbe5eb;margin-top:13px;padding-top:8px}
.method-more summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:800;color:#96314c;padding:3px 0}
.method-more summary::-webkit-details-marker{display:none}
.method-more summary span{font-size:20px;line-height:1;color:#96314c}
.method-more[open] summary span{transform:rotate(45deg)}
.method-more-content{display:grid;gap:11px;padding:12px 0 5px}
.method-more-content p{font-size:13px;line-height:1.6}
.method-detail.chart-active{padding:29px 33px 27px}
.method-detail.chart-active .detail-mark{width:54px;height:54px;font-size:24px}
.method-detail.chart-active h3{font-size:30px;line-height:1.22;margin:16px 0 10px}
.method-detail.chart-active>p:not(.detail-question){font-size:14px;line-height:1.55;margin-bottom:0}
.method-detail.chart-active .detail-divider{margin:16px 0 13px}
.method-detail.chart-active .detail-question{font-size:19px;line-height:1.38;margin:7px 0 12px}
.detail-top{display:flex;align-items:start;justify-content:space-between;gap:20px}
.detail-mark{display:grid;place-items:center;width:76px;height:76px;background:#123852;color:#fff;font:28px var(--serif);border-radius:8px}
.detail-serial{color:#8c9ea9;font-size:11px;letter-spacing:.13em;font-weight:800}
.method-detail h3{font:35px/1.25 var(--serif);margin:28px 0 15px;color:#17354d}
.method-detail>p:not(.detail-question){color:#677a89;line-height:1.8}
.detail-divider{height:1px;background:#dbe5eb;margin:27px 0 22px}
.detail-label{font-size:10px;letter-spacing:.16em;font-weight:800;color:#a22a48}
.detail-question{font:21px/1.5 var(--serif);margin:11px 0 24px;color:#2a4257}
.method-detail .detail-footnote{font-size:12px;margin-bottom:0;color:#8493a0}
.access-section{background:linear-gradient(110deg,#164968,#23718e);color:#fff;overflow:hidden}
.access-grid{display:grid;grid-template-columns:.38fr .62fr;gap:85px;align-items:center}
.access-seal{display:flex;align-items:center;flex-direction:column;gap:23px;opacity:.98}
.seal-ring{width:min(350px,100%);aspect-ratio:1;display:grid;place-items:center;border:1px solid #628ba554;border-radius:50%;box-shadow:0 0 0 20px #8bb0cc0c,0 0 0 42px #8bb0cc08;background:radial-gradient(circle,#f5fbff 0 37%,#d9e6f1 70%,#abc5d9 100%)}
.seal-ring img{width:78%;filter:drop-shadow(0 5px 10px #1c243429)}
.seal-caption{letter-spacing:.5em;font-size:11px;font-weight:800;color:#a8c3d7}
.section-kicker.light{color:#f2a6bc}
.access-copy h2{color:#fff;max-width:660px}
.access-copy h2 em{color:#e8a6b9}
.access-copy>p{color:#bfd2df;font-size:17px;line-height:1.9;margin:28px 0}
.access-actions{display:flex;align-items:center;flex-wrap:wrap;gap:21px;margin:35px 0}
.button-light{background:#fff;border:1px solid #fff;color:#143750}
.button-light:hover{background:#eaf3fa}
.access-actions>span{font-size:13px;color:#b5c8d7}
.access-note{display:flex;align-items:start;gap:15px;border-top:1px solid #7795aa55;padding-top:23px;max-width:650px;color:#a7c0d0;font-size:13px;line-height:1.7}
.lock-symbol{display:inline-flex;width:29px;height:29px;flex:none;align-items:center;justify-content:center;border:1px solid #7599b1;border-radius:50%;font-size:11px;color:#f8b9c9}
.questions-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:95px}
.questions-list{border-top:1px solid #cfdbe3}
.questions-list details{border-bottom:1px solid #cfdbe3;padding:21px 0}
.questions-list summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:22px;font-size:17px;font-weight:700;cursor:pointer;color:#203a50}
.questions-list summary::-webkit-details-marker{display:none}
.questions-list summary span{font-size:26px;color:var(--crimson);line-height:1;transition:transform .2s}
.questions-list details[open] summary span{transform:rotate(45deg)}
.questions-list details p{max-width:680px;margin:14px 40px 5px 0;font-size:15px;color:var(--muted);line-height:1.8}
.footer{background:#071a2b;color:#d7e6ef}
.footer-inner{padding:43px 0;display:grid;grid-template-columns:1fr 1.2fr auto auto;gap:30px;align-items:center}
.footer-brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.1em;font-size:13px}
.footer-brand img{background:white;border-radius:8px;padding:2px;width:43px;height:43px}
.footer-brand small{display:block;font-weight:400;letter-spacing:.08em;color:#7994a8;font-size:10px;margin-top:2px}
.footer-word-primary{color:#d4e9f3}
.footer-word-accent{color:#f2a8be}
.seal-word-primary{color:#edf6fb}
.seal-word-accent{color:#ffc0cf}
.footer p{color:#96afc0;font-size:12px;margin:0}
.footer a{font-size:12px;text-decoration:none;color:#dce9f1}
.footer a:hover{text-decoration:underline}
.footer>div>small{color:#7994a8;font-size:11px;white-space:nowrap}
@media(max-width:1150px){.container{width:min(1100px,calc(100% - 58px))}.desktop-nav{gap:19px}.hero-grid{grid-template-columns:1fr;gap:52px;min-height:0}.hero-content{max-width:760px}.hero-visual{max-width:740px;transform:none}.section-pad{padding-block:90px}.methods-grid,.access-grid{gap:50px}.footer-inner{grid-template-columns:1fr 1fr;row-gap:16px}}
@media(max-width:760px){.container{width:calc(100% - 36px)}.header-inner{padding:14px 0;min-height:85px;flex-wrap:wrap;gap:13px}.brand-symbol{width:51px;height:51px}.brand-symbol img{width:47px;height:47px}.brand-name{font-size:14px}.brand-name small{font-size:8px}.desktop-nav{order:3;width:100%;justify-content:space-between;gap:10px;padding-top:8px;border-top:1px solid #e7edf1}.desktop-nav a{font-size:12px}.header-action{font-size:12px;padding:11px}.header-action span{margin-left:5px}.hero-grid{padding-block:73px 78px;gap:45px}h1{font-size:clamp(48px,11vw,70px)}.hero-intro{font-size:16px}.hero-actions{align-items:stretch}.hero-actions .button{padding-inline:14px}.visual-masthead{padding:18px}.visual-footer{padding:13px 18px}.visual-footer .visual-disclaimer{margin-left:0;width:100%}.band-inner{padding-block:22px;min-height:0;align-items:flex-start;flex-direction:column;gap:17px}.band-items{gap:30px}.band-items span{font-size:19px}.band-items span+span:before{left:-16px}.section-intro,.methods-grid,.access-grid,.questions-grid{grid-template-columns:1fr;gap:35px}.section-intro{margin-bottom:35px}.principles{grid-template-columns:1fr;gap:1px}.principles article{min-height:0;padding:30px}.principle-icon{margin-bottom:20px}.method-detail{padding:30px;min-height:0}.access-seal{max-width:255px;margin:15px auto 28px}.access-grid{gap:0}.seal-ring{width:220px}.access-copy>p{font-size:16px}.questions-grid{gap:20px}.footer-inner{display:flex;flex-wrap:wrap;gap:20px}.footer p{width:100%}.footer>div>small{margin-left:auto}}
@media(max-width:480px){.brand{gap:8px}.header-action{font-size:11px;padding:9px 10px}.header-action span{display:none}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .button{justify-content:space-between}.tree-scroll{padding-inline:10px}.visual-masthead strong{font-size:19px}.pedigree-tree{min-width:390px;grid-template-columns:1fr 1fr .95fr}.method-selector button{font-size:17px}.section-pad{padding-block:70px}h2{font-size:40px}.questions-list summary{font-size:15px}}
@media(max-width:480px){.method-selector button{flex-wrap:wrap;gap:3px 12px}.method-selector button span{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* Featured pedigree chart and family interpretation */
.chart-section{background:#fff;border-bottom:1px solid var(--line)}
.chart-section .section-intro{gap:60px;grid-template-columns:1fr 1fr;margin-bottom:44px}
.sibling-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:start}
.sibling-grid h3{font:32px/1.2 var(--serif);letter-spacing:-.02em;margin-bottom:20px}
.sibling-explanation p{font-size:17px;line-height:1.85;color:#465e72;margin-bottom:18px}
.sibling-example{padding:32px;background:#edf4f8;border:1px solid #bfd2e0;border-top:4px solid var(--crimson);border-radius:8px}
.sibling-example .section-kicker{font-size:10px;letter-spacing:.13em;margin-bottom:18px}
.sibling-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:26px 0}
.sibling-pair>div{padding:18px 10px;text-align:center;border:3px solid #92203f;border-radius:4px;background-color:#fff;background-image:radial-gradient(#a3234560 1px,transparent 1.35px);background-size:8px 8px}
.sibling-pair span,.sibling-pair strong{display:block;background:#fff;width:fit-content;margin:auto;padding:3px}
.sibling-pair span{font-size:10px;font-weight:700;letter-spacing:.04em;color:#465e72}
.sibling-pair strong{font-size:19px;color:var(--navy)}
.sibling-example p{font-size:16px;color:#465e72}
.sibling-example .sibling-context{font-size:14px;border-top:1px solid #bfd2e0;padding-top:18px;margin-bottom:0}
.chart-takeaway{display:flex;gap:32px;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:28px;margin-top:32px}
.chart-takeaway p{font-size:16px;max-width:800px;color:#465e72;margin:0}
.chart-takeaway .button{flex:none}
.chart-credit{font-size:12px;color:#627384;margin:22px 0 0}
.band-items{gap:30px}.band-items span+span:before{left:-17px}
@media(max-width:1000px){.sibling-grid,.chart-section .section-intro{grid-template-columns:1fr;gap:28px}.chart-takeaway{align-items:flex-start;flex-direction:column}.band-inner{flex-wrap:wrap;padding-block:24px}}
@media(max-width:480px){.sibling-example{padding:24px 18px}.sibling-pair{gap:10px}.sibling-pair strong{font-size:17px}.sibling-pair span{font-size:9px}}

/* Review: prominent identity, direct access and a real pedigree example. */
.header-inner{gap:24px;flex-wrap:wrap;padding-block:15px}
.brand-symbol{width:100px;height:100px;border-radius:16px;flex-shrink:0}
.brand-symbol img{width:94px;height:94px}
.brand-name{font-size:19px}
.desktop-nav{gap:20px;flex-wrap:wrap;justify-content:center}
.header-action{background:#fff;color:#172d42;border:3px solid #bc0c28;font-size:15px;padding:13px 20px;box-shadow:0 3px 8px #0002}
.header-action:hover{background:#fff5d4;color:#172d42;border-color:#900a22}
.header-action span{color:#bc0c28}
.hero-grid{grid-template-columns:minmax(290px,.65fr) minmax(0,1.5fr);gap:34px;padding-block:65px}
.hero-visual{transform:none;min-width:0}
.hero-content h1{font-size:clamp(44px,4.1vw,65px)}
.real-pedigree{padding:12px;overflow-x:auto}
.real-pedigree img{display:block;width:100%;height:auto;min-width:760px;max-width:none}
.database-disclaimer{margin-top:24px;padding:13px 16px;border:1px solid #e6cd73;border-radius:6px;background:#fff8df;color:#263d50;font-size:13px;line-height:1.55}
.database-disclaimer strong{font-weight:800}
.database-disclaimer p{margin:5px 0 0}
@media(max-width:1250px){.desktop-nav{order:3;flex-basis:100%;border-top:1px solid #dbe4eb;padding-top:12px;gap:26px}.hero-grid{grid-template-columns:1fr}.hero-content{max-width:780px}.hero-visual{max-width:none}.real-pedigree img{min-width:760px}}
@media(max-width:760px){.brand-symbol{width:78px;height:78px}.brand-symbol img{width:72px;height:72px}.brand-name{font-size:15px}.header-action{font-size:13px;padding:10px 12px}.desktop-nav{justify-content:center;gap:12px 20px}.desktop-nav a{font-size:13px}.real-pedigree{padding:8px}.hero-grid{padding-block:48px}.hero-content h1{font-size:48px}}

.hero-actions .button-quiet{background:#fff;color:#172d42;border:3px solid #bc0c28}
.hero-actions .button-quiet:hover{background:#fff5d4;color:#172d42}
.pedigree-preview-open{display:block;background:transparent;border:0;padding:0;width:100%;cursor:zoom-in}
#example-pedigree-dialog{width:min(1400px,96vw);max-width:96vw;max-height:94dvh;border:2px solid #172d42;border-radius:8px;padding:12px;overflow:auto;background:#fff}
#example-pedigree-dialog::backdrop{background:#071b31b3}
#example-pedigree-dialog img{width:100%;height:auto;min-width:760px;display:block}
.preview-dialog-heading{position:sticky;top:-12px;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:15px;background:white;padding:12px 0;font-size:15px;color:#172d42}
.preview-dialog-heading button{background:#fff;border:2px solid #bc0c28;color:#172d42;border-radius:5px;padding:8px 12px;cursor:pointer;font-weight:700;white-space:nowrap}

/* Compact opening screen; retain comfortable text and an enlargeable chart. */
.database-disclaimer{margin-top:12px;padding:3px 0;border:0;border-radius:0;background:transparent;color:#bed0df;font-size:13px;line-height:1.35}
.database-disclaimer p{display:inline;margin:0 0 0 5px}
.hero-grid{min-height:0;padding-block:26px 68px;gap:28px}
.hero-content h1{font-size:clamp(38px,3.4vw,54px);margin:18px 0}
.hero-intro{font-size:16px;line-height:1.55;margin-bottom:20px}
.hero-note{margin-top:14px}
.visual-masthead{padding:12px 16px}
.visual-footer{padding:10px 14px}
.real-pedigree img{min-width:0}
@media(min-width:901px){
 .header-inner{flex-wrap:nowrap;gap:18px;min-height:108px;padding-block:8px}
 .brand-symbol{width:90px;height:90px}.brand-symbol img{width:84px;height:84px}
 .desktop-nav{order:0;flex-basis:auto;border:0;padding:0;gap:12px;flex:1}
 .desktop-nav a{font-size:13px}.header-action{padding:11px 14px;white-space:nowrap}
 .hero-grid{grid-template-columns:minmax(300px,.85fr) minmax(0,1.35fr);min-height:calc(88svh - 108px);align-content:center}
 .hero-visual{width:100%;max-width:none}.hero-content{max-width:none}
 .real-pedigree img{max-height:calc(100svh - 245px);object-fit:contain}
}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;padding-block:28px 68px;gap:24px}.hero-content{max-width:none}.hero-content h1{font-size:42px}.desktop-nav{gap:10px 16px}}

/* Guide first-time visitors toward the sections below the opening screen. */
.hero-scroll-cue{
  position:fixed;left:50%;bottom:19px;z-index:15;
  transform:translateX(-50%);display:inline-flex;align-items:center;justify-content:center;
  gap:14px;min-height:42px;padding:8px 19px;
  background:#08253bf0;border:1px solid #86aabd;border-radius:24px;
  box-shadow:0 5px 20px #04162577;color:#e2f1f9;
  text-decoration:none;font-size:11px;font-weight:800;letter-spacing:.13em;
  text-transform:uppercase;white-space:nowrap;
  transition:background .2s,border-color .2s;
}
.hero-scroll-cue[hidden]{display:none}
.hero-scroll-cue span{font-size:18px;line-height:1;letter-spacing:0;color:#a8d2e7}
.hero-scroll-cue:hover{background:#184b69;border-color:#e1eef5}
@media(max-width:760px){.method-key-items{grid-template-columns:1fr}.method-detail.chart-active{padding:25px}.hero-scroll-cue{bottom:12px;max-width:calc(100% - 24px);padding:7px 15px;min-height:38px;font-size:10px}}

/* Mirror the homepage navigation in each section title; preserve its editorial subtitle. */
.section-subtitle,.methods-copy>.section-subtitle,.access-copy>.section-subtitle{
  font:400 clamp(22px,2.25vw,32px)/1.35 var(--serif);
  letter-spacing:-.025em;
  color:#536b7c;
  margin:14px 0 0;
  max-width:710px;
}
.section-subtitle em{color:var(--crimson);font-style:italic}
.access-copy>.section-subtitle{color:#d1e1ec}
.access-copy>.section-subtitle em{color:#e8a6b9}
.section-return{display:flex;justify-content:flex-end;margin-top:35px}
.section-return a{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 19px;border:2px solid #b9cbd7;border-radius:5px;
  background:#fff;color:#24445c;text-decoration:none;
  font-size:13px;font-weight:750;line-height:1.4;
  transition:background .2s,border-color .2s,color .2s;
}
.section-return a:hover{background:#eef5fa;border-color:var(--crimson);color:#7f1835}
.section-return.is-dark a{background:transparent;color:#f1f8fc;border-color:#91adbf}
.section-return.is-dark a:hover{background:#ffffff1c;border-color:#f1b1c3;color:#fff}

/* A clear route through all five sections, visible at each heading and exit. */
.section-progress{display:flex;align-items:center;flex-wrap:wrap;gap:6px 18px;margin:14px 0 3px;font-size:12px;font-weight:750;letter-spacing:.065em;text-transform:uppercase;color:#697f90}
.section-progress a{color:#982744;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;letter-spacing:.01em;font-size:14px}
.section-progress a:hover{color:#65192e}
.access-section .section-progress{color:#bdd1df}
.access-section .section-progress a{color:#f2b3c7}
.access-section .section-progress a:hover{color:#fff}
.section-return{gap:12px;flex-wrap:wrap}
.section-return .next-section{background:#a32345;border-color:#a32345;color:#fff}
.section-return .next-section:hover{background:#87203a;border-color:#87203a;color:#fff}
.section-return.is-dark .next-section{background:#fff;color:#143750;border-color:#fff}
.section-return.is-dark .next-section:hover{background:#eaf3fa;color:#143750;border-color:#eaf3fa}

/* PI is the research platform; Tarshish Labs remains the parent brand. */
.hero .hero-grid{z-index:1}
.pi-watermark{position:absolute;left:4px;bottom:24px;width:min(650px,53vw);max-width:none;max-height:90%;object-fit:contain;opacity:.15;filter:brightness(0) invert(1);pointer-events:none;user-select:none}
.hero-content h1{margin:12px 0 16px;line-height:1.05}
.hero-research-subtitle{font:400 clamp(18px,1.6vw,20px)/1.4 Arial,Helvetica,sans-serif;color:#fff;margin:0 0 6px;max-width:100%}
.pi-acronym{display:block;font:700 clamp(60px,5.4vw,82px)/1 Arial,Helvetica,sans-serif;letter-spacing:-.05em;color:white}
.pi-full-name{display:block;font:400 clamp(32px,3.05vw,45px)/1.12 Georgia,'Times New Roman',serif;letter-spacing:-.035em;color:#fff;margin-top:6px}
.hero-purpose{font:400 16px/1.5 Arial,Helvetica,sans-serif;color:#dcecf6;margin:0 0 20px;max-width:460px}
.hero-purpose strong{display:block;font-size:20px;line-height:1.35;color:#fff;margin-top:3px}
.hero-content .hero-intro{max-width:470px}
.hero-actions .button{font-size:13px;gap:10px;padding:12px 15px}
.hero-note{line-height:1.5}
.header-action{font-size:13px}
.brand-name small{letter-spacing:.13em}
@media(max-width:900px){.pi-watermark{width:680px;max-height:600px;left:auto;right:-180px;top:0;bottom:auto;opacity:.12}.pi-full-name{font-size:40px}.hero-purpose{max-width:650px}.hero-content .hero-intro{max-width:650px}}
@media(min-width:901px) and (max-width:1100px){.header-inner{gap:10px}.desktop-nav{gap:8px}.desktop-nav a{font-size:12px}.header-entry-links{gap:5px}.header-action{padding:10px;font-size:12px}.brand-name{font-size:15px}}
@media(max-width:900px){.header-inner{flex-wrap:wrap}.header-entry-links{margin-left:auto}.desktop-nav{order:3;width:100%;justify-content:space-between;padding-top:8px;border-top:1px solid #e7edf1}}
@media(max-width:480px){.header-entry-links{gap:5px}.header-entry-links .header-action{font-size:11px;padding:9px 10px}.header-entry-links .header-action span{display:none}}

/* One shared homepage entry; role-specific tools appear inside the workspace. */
.header-entry-links .header-action{border-width:2px;padding:10px 14px;font-size:13px}
.header-entry-links .header-action{background:#10253a;border-color:#10253a;color:#fff}
.header-entry-links .header-action:hover{background:#194664;border-color:#194664}
.header-entry-links .header-action span{color:#a6d5ed}
.session-strip{display:flex;gap:12px;align-items:center;justify-content:center;flex-wrap:wrap;padding:8px 18px;background:#eaf3f8;border-top:1px solid #d7e6ee;color:#27465c;font-size:13px;text-align:center;line-height:1.5}
.session-strip strong{color:#10253a}.session-strip b{color:#92324d}
.session-strip a{font-weight:750;color:#92324d;text-decoration:underline;text-underline-offset:3px;white-space:nowrap}
@media(max-width:480px){.header-entry-links .header-action{font-size:11px;padding:9px 10px}}
@media(max-width:480px){.pi-full-name{font-size:34px}.hero-purpose strong{font-size:18px}.header-action{padding:9px 10px;font-size:12px}.brand-name small{font-size:8px;letter-spacing:.08em}}

/* Logo wave blues, with clearer text and a visible Labrador silhouette. */
.hero .eyebrow,.hero-intro,.hero-note{color:#f0f7fb}
.access-copy>p,.access-actions>span,.access-note,.seal-caption{color:#edf6fb}

/* Phone overrides follow the desktop branding rules so they cannot be superseded. */
@media screen and (max-width:700px){
 html{-webkit-text-size-adjust:100%;scroll-padding-top:16px}
 .container{width:calc(100% - 28px);min-width:0}
 .header-inner{gap:10px;padding-block:10px;min-height:0}
 .brand{min-width:0;gap:8px}.brand-symbol{width:52px;height:52px;border-radius:10px}.brand-symbol img{width:48px;height:48px}
 .brand-name{font-size:14px}.brand-name small{font-size:8px}
 .header-entry-links{margin-left:auto}.header-entry-links .header-action{min-height:44px;padding:10px;font-size:12px}
 .desktop-nav{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:4px 14px;padding-top:6px}
 .desktop-nav a{display:inline-flex;align-items:center;min-height:40px;font-size:13px}
 .hero-grid{display:grid;grid-template-columns:minmax(0,1fr);padding-block:32px 42px;gap:28px}
 .hero-content,.hero-visual{min-width:0;max-width:100%}.pi-full-name{font-size:34px}
 .hero-actions{flex-direction:column;align-items:stretch}.hero-actions .button{min-height:48px;white-space:normal}
 .visual-masthead{padding:14px;gap:8px}.visual-masthead strong{font-size:19px}.visual-mark{display:none}
 .real-pedigree{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.real-pedigree img{min-width:700px}
 .visual-footer{gap:10px;padding:12px;font-size:12px}
 .band-items{flex-wrap:wrap;gap:12px 24px}.band-items span{font-size:16px}
 .section-pad{padding-block:44px}.chart-section .section-intro,.sibling-grid,.methods-grid,.access-grid,.questions-grid{grid-template-columns:minmax(0,1fr);gap:24px}
 h2{font-size:36px}.sibling-example,.method-detail,.method-detail.chart-active{padding:20px}
 .section-return{justify-content:flex-start}.section-return a,.method-selector button,.questions-list summary{min-height:44px}
 .hero-scroll-cue{bottom:max(12px,env(safe-area-inset-bottom));white-space:normal;text-align:center;max-width:calc(100% - 24px);letter-spacing:.06em}
 .footer-inner{min-width:0;overflow-wrap:anywhere}
}
@media screen and (max-width:700px){.footer-inner>*{max-width:100%;min-width:0;white-space:normal;overflow-wrap:anywhere}.footer-inner small{flex:1 1 100%;margin-left:0}.hero{overflow:hidden}}
@media screen and (max-width:700px){.footer-inner small{display:block!important;width:100%;white-space:normal!important}.footer-inner small span{white-space:normal}}

@media screen and (min-width:701px) and (max-width:1100px),screen and (min-width:701px) and (max-width:1400px) and (any-pointer:coarse){
 .header-inner{gap:16px;padding-block:12px}.brand-symbol{width:68px;height:68px}.brand-symbol img{width:64px;height:64px}
 .desktop-nav{order:3;flex-basis:100%;flex-wrap:wrap;gap:10px 24px;padding-top:8px}.desktop-nav a{display:inline-flex;align-items:center;min-height:44px}
 .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding-block:40px}.hero-content,.hero-visual{min-width:0;max-width:100%}
 .hero-actions .button,.header-action,.method-selector button,.questions-list summary{min-height:44px}
 .real-pedigree{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
 .section-pad{padding-block:60px}.methods-grid,.access-grid,.questions-grid{grid-template-columns:minmax(0,1fr);gap:30px}
 .footer-inner>*{min-width:0;max-width:100%;overflow-wrap:anywhere}.footer-inner small{display:block;width:100%;white-space:normal}
 .hero-scroll-cue{bottom:max(16px,env(safe-area-inset-bottom))}
}

/* Practical tasks lead; the scientific report descriptions remain available. */
.task-band a{display:flex;flex-direction:column;gap:3px;color:inherit;text-decoration:none;font-size:14px}.task-band small{font-size:10px;font-weight:500;letter-spacing:0}.task-band a:hover{text-decoration:underline}.task-band a:focus-visible{outline:2px solid #0a5c8c;outline-offset:5px}.task-examples{display:grid;grid-template-columns:1fr 1fr;gap:14px 22px;margin:22px 0}.task-examples article{border-top:1px solid #ffffff52;padding-top:12px}.task-examples h3{font-size:16px;margin:0 0 6px}.task-examples h3 small{display:block;font-size:11px;font-weight:400;margin-top:3px}.task-examples p{font-size:14px;line-height:1.5;margin:0}.beta-availability{font-size:13px!important;line-height:1.5!important;color:#d7e8f2}@media(max-width:650px){.task-examples{grid-template-columns:1fr}.task-band{gap:15px!important}.task-band a{font-size:13px}}

.task-band{flex-wrap:wrap;row-gap:12px}

/* One PI entry for every role; sign-in guidance stays beside the entry. */
.header-action [data-pi-entry-label],.header-entry-links .header-action [data-pi-entry-label]{display:inline;margin-left:0;color:inherit}
.signin-help{scroll-margin-top:160px;margin-top:25px;border-top:1px solid #ffffff45;padding-top:16px;color:#edf6fb}
.signin-help h3{font:600 18px/1.4 Arial,sans-serif;margin:0 0 8px}.signin-help details{border-bottom:1px solid #ffffff35;padding:10px 0}
.signin-help summary{cursor:pointer;font-size:15px;line-height:1.5;min-height:32px}.signin-help p{font-size:14px;line-height:1.6;margin:10px 0}.signin-help a{color:#fff;text-decoration:underline;text-underline-offset:3px}.signin-help summary:focus-visible,.signin-help a:focus-visible{outline:3px solid #f2c86c;outline-offset:4px}
@media(max-width:600px){.signin-help{scroll-margin-top:200px}.session-strip #pi-signin-notice{overflow-wrap:anywhere}}

.pi-goals{max-width:900px;margin:0 0 32px;padding:22px 26px;border-left:4px solid #a22e39;background:#f0f5f7}.pi-goals h3,.pi-contribute h3{font-size:26px;margin:0 0 12px}.pi-goals p,.pi-contribute p{font-size:16px;line-height:1.7}.pi-contribute{margin-top:40px;padding:30px;border:1px solid #cbd8df;border-radius:12px;background:#fff;scroll-margin-top:130px}.pi-contribution-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:24px 0}.pi-contribution-steps article{border-top:3px solid #174660;padding-top:14px}.pi-contribution-steps h4{font-size:18px;margin:0 0 8px}.pi-contribution-steps p{font-size:15px;margin:0}.pi-contribution-future,.pi-contribute .small{font-size:14px!important;color:#506272}.pi-contribute .button{margin-top:8px}@media(max-width:700px){.pi-contribution-steps{grid-template-columns:1fr;gap:20px}.pi-contribute{padding:20px}.pi-goals{padding:18px}.pi-goals h3,.pi-contribute h3{font-size:23px}}