:root{color-scheme:light;--ink:#14203b;--paper:#f5f7ff;--teal:#85e6b2;--mist:#dce7ff;--deep:#234b9d;font:16px/1.55 "Segoe UI Variable Text","Segoe UI",Aptos,Arial,sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}
body,p,h1,h2,h3,h4{margin:0}
a{color:var(--deep);text-underline-offset:.2em}
:focus-visible{outline:3px solid #b51d65;outline-offset:4px}
.wrap{width:min(1100px,calc(100% - 40px));margin:auto}
.skip{position:absolute;top:-100px;left:1rem;background:white;padding:1rem;z-index:2}
.skip:focus{top:1rem}
header,.hero,footer{background:var(--ink);color:white}
header{border-bottom:1px solid #2f4880}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:80px}
.bar img{display:block;object-fit:contain}
header a,.hero a{color:inherit}
.hero-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:clamp(28px,7vw,100px);align-items:center;padding-block:clamp(48px,8vw,100px)}
.eyebrow{font-weight:750;font-size:.76rem;letter-spacing:.13em;color:var(--deep);margin-bottom:.7rem}
.hero .eyebrow{color:var(--teal)}
h1,h2,h3{font-family:"Segoe UI Variable Display","Segoe UI","Aptos Display",Aptos,sans-serif;line-height:1.04;letter-spacing:-.04em}
h1{font-size:clamp(3rem,8vw,6rem)}
h1 em{font-style:normal;color:var(--teal)}
.intro{font-size:1.2rem;color:#dce7ff;max-width:33ch;margin:1.25rem 0 1.6rem}
aside{background:#172b56;border:1px solid #496392;border-radius:16px;padding:1.5rem}
#progress-label{font-size:1.4rem;font-weight:700}
progress{width:100%;height:10px;border:0;border-radius:30px;overflow:hidden;accent-color:var(--teal);background:#496392}
progress::-webkit-progress-bar{background:#496392}
progress::-webkit-progress-value{background:var(--teal)}
.path-caption{margin:.9rem 0 .55rem;color:#dce7ff}
.course{padding-block:56px 70px}
h2{font-size:clamp(2rem,5vw,3.5rem)}
.lede{max-width:62ch;margin:1rem 0 2rem}
.tracks{display:grid;gap:.8rem;margin:0 0 3rem}
.track{display:grid;grid-template-columns:minmax(185px,1fr) 2.6fr;gap:1rem;padding:1rem;background:white;border:1px solid #cdd9ee;border-radius:14px}
.track-intro{background:#eff4ff;border-radius:9px;padding:1rem}
.track h3{font-size:1.55rem;margin-bottom:.5rem}
.track ol{margin:0;padding:0;list-style:none;align-self:center}
.track li+li{border-top:1px solid #dce7ff}
.module-link{display:grid;grid-template-columns:auto 1fr auto;gap:.7rem;align-items:center;color:var(--ink);padding:.8rem .45rem;text-decoration:none}
.module-link:hover strong{text-decoration:underline;text-underline-offset:.2em}
.module-number{border-radius:6px;background:#dce7ff;color:var(--deep);font-weight:750;font-size:.85rem;padding:.3rem .45rem}
.module-summary{display:block;color:#44577c;font-size:.9rem}
.module-meta{color:var(--deep);font-size:.8rem;white-space:nowrap}
.lesson-stack{max-width:800px;margin-inline:auto}
.lesson{max-width:800px;background:white;border:1px solid #cdd9ee;border-radius:18px;padding:clamp(18px,4vw,40px);margin-bottom:24px;scroll-margin-top:18px}
h3{font-size:clamp(1.75rem,4vw,2.8rem);margin-bottom:1rem}
h4{font-size:1.1rem}
.lesson ol,.lesson ul{padding-left:1.4rem}
.lesson li{padding:.22rem 0}
.practice,.check,details{background:#eff4ff;border-radius:12px;margin:1.2rem 0;padding:clamp(14px,3vw,22px)}
pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;background:white;border:1px solid #cdd9ee;border-radius:8px;padding:1rem;margin:.65rem 0 1rem}
.button,button{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:44px;padding:.58rem .9rem;border-radius:8px;border:1px solid #5374ac;font:inherit;font-weight:700;text-decoration:none;color:var(--ink);background:white;cursor:pointer}
.primary,.hero .primary{background:var(--teal);color:var(--ink);border-color:var(--teal)}
.button:hover,button:hover{box-shadow:inset 0 0 0 2px #234b9d}
.actions{display:flex;gap:.65rem;flex-wrap:wrap}
.hint,.status,.feedback{margin-top:.6rem;color:#44577c;font-size:.93rem}
.status:empty,.feedback:empty{display:none}
table{width:100%;border-collapse:collapse;margin:.65rem 0}
th,td{text-align:left;border-bottom:1px solid #aebfba;padding:.45rem .25rem}
fieldset{border:0;padding:0;margin:0 0 .65rem;min-width:0}
legend,summary,.next{font-weight:700}
.check label{display:block;padding:.3rem 0;cursor:pointer}
summary{cursor:pointer}
.walkthrough{margin-block:1.2rem}
.walkthrough h4 + p,.walk-step p{margin-top:.5rem}
.walk-step{border:1px solid #cdd9ee;margin:.65rem 0}
.walkthrough.practice .walk-step{background:white}
.walk-launch{margin:.8rem 0 .3rem}
.walk-step figure{margin:.8rem 0}
.walk-step img{display:block;width:100%;max-width:560px;height:auto;border:1px solid #cdd9ee;border-radius:12px}
.walk-step figcaption{margin-top:.35rem;color:#44577c;font-size:.85rem}
.guide-shot{margin:1rem 0}
.guide-shot img{display:block;width:100%;max-width:680px;height:auto;border:1px solid #cdd9ee;border-radius:12px}
.guide-shot figcaption{margin-top:.4rem;color:#44577c;font-size:.91rem}
.pinned-shot{display:inline-block;max-width:100%;position:relative}
.guide-pin{position:absolute;left:var(--pin-x);top:var(--pin-y);transform:translate(-50%,-50%);display:grid;place-items:center;width:1.35rem;height:1.35rem;border-radius:50%;background:#85e6b2;color:#14203b;font-size:.78rem;font-weight:800;box-shadow:0 0 0 2px #14203b}
.settings-shot{display:inline-block;position:relative;max-width:100%}
.settings-shot img{width:286px;max-width:100%}
.settings-marker{position:absolute;left:47%;width:1.5rem;height:1.5rem;border-radius:50%;background:#85e6b2;color:#14203b;display:grid;place-items:center;font-weight:800;font-size:.85rem;transform:translateY(-50%)}
.settings-marker.personalization{top:66%}
.settings-marker.data-controls{top:86%}
.business-path{margin:1rem 0 1.6rem;border:1px solid #cdd9ee}
.business-path p{margin:.55rem 0}
.module-flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;margin:1.2rem 0;padding:0!important;list-style:none;counter-reset:phase}
.module-flow li{padding:.8rem;background:#dce7ff;border-radius:8px;font-weight:700}
.module-flow li::before{counter-increment:phase;content:"STEP " counter(phase);display:block;color:var(--deep);font-size:.75rem;letter-spacing:.08em}
.worked-example{background:#172b56;color:#fff;border-radius:12px;padding:1rem 1.2rem;margin:1.2rem 0}
.worked-example .eyebrow{color:var(--teal)}
.worked-example strong{display:block;margin:.2rem 0;color:var(--teal)}
.resource-links{display:flex;flex-wrap:wrap;gap:.35rem 1rem;margin:.65rem 0;font-weight:650}
.back-map{display:inline-block;margin:.5rem 0 .5rem 1rem}
.finish-note{margin:1rem 0}
.reference-title{font-size:clamp(2.5rem,6vw,4rem);margin-top:1rem}
.lesson h2{font-size:clamp(1.6rem,4vw,2rem);margin-bottom:.8rem}
.lesson label[for="reply"]{display:block;margin-top:1rem;font-weight:700}
.lesson caption{text-align:left;font-weight:700}
.lesson-art{display:block;width:100%;height:auto;aspect-ratio:2.4;object-fit:cover;object-position:center 45%;border-radius:12px;margin:1.3rem 0}
#lesson-2 .lesson-art{object-position:center 28%}
.example-chat{display:grid;gap:.55rem;margin-top:.8rem}
.example-chat p{padding:.7rem .85rem;margin:0;max-width:85%;border-radius:10px;background:#eff4ff}
.example-chat p:nth-child(even){justify-self:end;background:#dce7ff}
.example-chat strong{display:block;font-size:.79rem;color:var(--deep)}
textarea{display:block;width:100%;max-width:100%;margin:.4rem 0 .75rem;padding:.7rem;border:1px solid #5374ac;border-radius:8px;font:inherit;color:var(--ink);background:white}
label[for="profile-text"]{display:block;margin-top:.75rem;font-weight:700}
footer{padding:30px 0}
footer p{color:var(--mist)}
@media(max-width:670px){.hero-grid{grid-template-columns:1fr}.wrap{width:calc(100% - 28px)}.course{padding-top:38px}}
@media(max-width:620px){.track,.module-flow{grid-template-columns:1fr}.track{gap:.25rem}.module-summary{font-size:.84rem}}
[hidden]{display:none!important}
.bar nav{display:flex;align-items:center;gap:clamp(.5rem,2vw,1.7rem)}
.bar nav a{font-weight:650;text-decoration:none}
.bar nav a:hover{text-decoration:underline}
.access-link{border:1px solid #7192d0;border-radius:8px;padding:.45rem .7rem}
.landing-hero{background:#11234c}
.landing-hero .hero-grid{grid-template-columns:1.1fr .9fr;gap:clamp(24px,5vw,68px);padding-block:clamp(42px,7vw,92px)}
.landing-hero h1{font-size:clamp(2.8rem,6vw,5.7rem);max-width:13ch}
.landing-hero .intro{max-width:39ch}
.hero-visual{position:relative;margin:0;border-radius:16px;overflow:hidden;background:#172b56}
.hero-visual img{width:100%;height:auto;display:block;aspect-ratio:1.13;object-fit:cover}
.hero-visual figcaption{padding:.8rem 1rem;background:#203a70;color:#f1f5ff}
.hero .hero-secondary{background:transparent;color:white;border-color:#85a4e2}
.section-intro{display:grid;grid-template-columns:1fr minmax(250px,.46fr);align-items:start;gap:1.6rem;margin-bottom:1.6rem}
.learner-progress{color:white}
.learner-progress .eyebrow{color:var(--teal)}
.pilot-section{background:#dce7ff;padding-block:clamp(2.4rem,5vw,5rem)}
.pilot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.5rem 0}
.pilot-grid>div{background:#fff;border-radius:10px;padding:1.1rem}
.pilot-grid p{margin-top:.45rem}
.access-faq details p{margin-top:.6rem}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.footer-grid a{color:#dce7ff}
.module-layout{max-width:800px;padding-block:2rem 3rem}
.module-layout .lesson{margin:1rem 0}
.module-layout h1,.access-card h1{font-size:clamp(2.1rem,6vw,3.8rem);margin-bottom:1rem}
.lesson-top{display:flex;align-items:center;justify-content:space-between;gap:.65rem;font-weight:650}
.lesson-top span,.prep{color:#44577c;font-size:.92rem}
.prep{margin:.8rem 0}
.outcome{background:#edf3ef;border-left:4px solid #2b63d5;padding:.7rem .9rem;margin:1rem 0}
.module-pager{display:flex;gap:.65rem;flex-wrap:wrap}
.access-page{min-height:65vh;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:2rem;padding-block:clamp(2rem,8vw,7rem)}
.access-card{padding:clamp(1.2rem,3vw,2rem);background:white;border-radius:16px}
.access-card .actions{margin:1.2rem 0}
.access-card form{display:grid;gap:.55rem;margin-top:1rem}
.access-card label{font-weight:650}
.access-card input{font:inherit;width:100%;border:1px solid #a5b4d2;border-radius:.5rem;padding:.6rem .7rem}
.access-card form button{justify-self:start;margin-top:.4rem}
#google-login{margin-top:.9rem}
.account-actions button[aria-pressed="true"]{border-color:#278364;background:#e2f6ed;color:#174532}
.catalogue-badge.catalogue-ready{background:#d1f3df;color:#174532}
.catalogue-start{margin-top:1rem}
.access-stack{display:grid;gap:1rem}
.install-card h2,.app-callout h2{margin-bottom:.45rem}
.install-card details{margin-top:.9rem}
.install-card summary{cursor:pointer;font-weight:700}
.install-card li+li{margin-top:.45rem}
.install-card .actions:has(:only-child[hidden]){display:none}
.app-callout{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;margin-top:2rem;padding:clamp(1.2rem,4vw,2.3rem);background:var(--mist);border-radius:16px}
.access-page>img{width:100%;height:auto;border-radius:16px}
@media(max-width:700px){.landing-hero .hero-grid,.section-intro,.pilot-grid,.access-page{grid-template-columns:1fr}.bar nav{gap:.55rem;font-size:.84rem}.bar img{width:102px;height:auto}.access-link{padding:.35rem .45rem}.hero-visual img{aspect-ratio:1.65;object-position:50% 25%}.landing-course{padding-block:2.5rem}.guide-shot a{max-width:100%}}
@media(max-width:360px){.bar{flex-wrap:wrap;gap:.4rem;padding-block:.6rem}.bar nav{width:100%;justify-content:space-between}.module-link{gap:.35rem}.lesson-top{align-items:flex-start}}
header{background:#fff;color:var(--ink);border-bottom:1px solid #dce5fa}
.bar{min-height:76px}
.bar img{width:156px;height:62px}
.bar nav a{color:#243b6e}
.bar .access-link{background:#ecf2ff;border-color:#b8cbf5}
.landing-hero{background:radial-gradient(ellipse at 84% 12%,#264986 0%,#152c5a 40%,#101f42 78%)}
.landing-hero h1 em{color:#96e8b8}
.hero-visual{border:1px solid #5472ad}
.pyramid-section{padding-block:clamp(2.3rem,6vw,5rem);background:#fff;scroll-margin-top:1rem}
.pyramid-grid{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);align-items:center;gap:clamp(1rem,5vw,4rem)}
.pyramid-grid h2{margin-bottom:.8rem}
.pyramid-grid .hint{margin-top:.9rem}
.pyramid{list-style:none;padding:0;margin:0;display:grid;gap:7px;justify-items:center}
.pyramid-tier{width:var(--tier-width);border-radius:12px;background:var(--tier-bg);color:var(--tier-ink,#14203b)}
.pyramid-tier a{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:.7rem;padding:.68rem .9rem;color:inherit;text-decoration:none;border-radius:inherit;min-height:58px}
.pyramid-tier a:hover,.pyramid-tier a:focus-visible{box-shadow:inset 0 0 0 2px currentColor}
.pyramid-tier strong,.pyramid-tier small{display:block}
.pyramid-tier small,.tier-range{font-size:.82rem}
.tier-range{white-space:nowrap}
.tier-number{width:1.9rem;height:1.9rem;border:1px solid currentColor;border-radius:50%;display:grid;place-items:center;font-weight:800}
.tier-1{--tier-width:100%;--tier-bg:#e2edff}
.tier-2{--tier-width:94%;--tier-bg:#dff6eb}
.tier-3{--tier-width:88%;--tier-bg:#fce7f0}
.tier-4{--tier-width:82%;--tier-bg:#d9e1ff}
.tier-5{--tier-width:76%;--tier-bg:#234b9d;--tier-ink:#fff}
.track{scroll-margin-top:1rem}
.track:nth-child(2) .track-intro{background:#e5f7ef}
.track:nth-child(3) .track-intro{background:#fceaf1}
.track:nth-child(5) .track-intro{background:#e0e7ff}
.module-cover{margin:1rem 0 0}
.module-cover img{width:100%;height:auto;display:block;aspect-ratio:3.2;object-fit:cover;object-position:50% 32%;border-radius:14px}
.level-path{list-style:none;margin:.9rem 0;padding:0;display:flex;flex-wrap:wrap;gap:.42rem;font-size:.82rem}
.level-path li{background:#eaf0ff;color:#304b80;border-radius:100px;padding:.3rem .62rem}
.level-path li[aria-current]{background:#234b9d;color:#fff;font-weight:700}
.level-path span{font-weight:750}
.reference-brand{display:block;object-fit:contain}
.sfg-footer .footer-grid{display:grid;grid-template-columns:1fr 1fr;align-items:start;gap:2rem}
.sfg-footer nav{display:flex;gap:1rem;flex-wrap:wrap;margin-top:.7rem}
.sfg-credit{max-width:430px}
.sfg-credit img{display:block;object-fit:contain;margin-bottom:.4rem}
.sfg-credit p{margin-bottom:.5rem}
@media(max-width:640px){.sfg-footer .footer-grid{grid-template-columns:1fr;gap:1.2rem}}
@media(max-width:740px){.pyramid-grid{grid-template-columns:1fr}.pyramid-tier{width:max(var(--tier-width),86%)}.tier-range{display:none}.bar img{width:112px;height:auto}}
@media(max-width:360px){.pyramid-tier a{gap:.4rem;padding:.55rem .65rem}.pyramid-tier small{font-size:.76rem}}
.track-catalogue{padding-block:clamp(2.5rem,6vw,5rem);scroll-margin-top:1rem}
.track-catalogue h2{font-size:clamp(2rem,5vw,3.4rem);line-height:1.12;margin-bottom:.7rem}
.catalogue-intro{max-width:62ch;margin-bottom:1.5rem}
.catalogue-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.1rem;list-style:none;padding:0;margin:0}
.catalogue-card{--card-tint:#ecf4fa;--card-accent:#31588e;--card-pattern:#dbe8f4;background:white;border:1px solid #dce4f3;border-radius:20px;overflow:hidden;box-shadow:0 5px 14px rgba(20,32,59,.045)}
.catalogue-card.brand-chatgpt{--card-tint:#eaf8f1;--card-accent:#15573e;--card-pattern:#ccecdf}
.catalogue-card.brand-claude{--card-tint:#fff1e9;--card-accent:#8c3c23;--card-pattern:#f8d9c6}
.catalogue-card.brand-grok{--card-tint:#eef0f4;--card-accent:#303b4f;--card-pattern:#dde1e9}
.catalogue-card.brand-deepseek{--card-tint:#eef1ff;--card-accent:#343e9d;--card-pattern:#dce1ff}
.catalogue-card.brand-qwen{--card-tint:#e9f1ff;--card-accent:#193fa2;--card-pattern:#d5e5ff}
.catalogue-card.brand-kimi{--card-tint:#eeefff;--card-accent:#49418f;--card-pattern:#dedbff}
.catalogue-brand{display:flex;justify-content:space-between;align-items:flex-start;gap:.65rem;padding:1rem 1.2rem;background:radial-gradient(circle at 74% 150%,var(--card-pattern) 0 37%,transparent 37.5% 46%,var(--card-pattern) 46.5% 48%,transparent 48.5%),var(--card-tint)}
.catalogue-brand img{display:block;width:58px;height:58px;object-fit:contain;border-radius:12px}
.catalogue-badge{padding:.28rem .62rem;border-radius:999px;color:var(--card-accent);background:white;font-size:.75rem;font-weight:750;white-space:nowrap}
.catalogue-body{padding:1.05rem 1.2rem 1.35rem}
.catalogue-meta{color:var(--card-accent);font-size:.75rem;font-weight:750;letter-spacing:.075em;text-transform:uppercase}
.catalogue-body h3{font-size:clamp(1.28rem,2.5vw,1.55rem);line-height:1.2;margin:.3rem 0 .55rem}
.catalogue-body h4{margin:1rem 0 .35rem;font-size:.86rem}
.catalogue-body ul{padding-left:1.1rem;margin:0;font-size:.9rem}
.catalogue-body li{padding-left:.1rem;margin:.2rem 0}
.catalogue-body li::marker{color:var(--card-accent)}
.catalogue-note{margin-top:1rem;color:#44577c;font-size:.82rem}
.pilot-progress-actions{margin-top:.8rem}
@media(max-width:900px){.catalogue-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.catalogue-grid{grid-template-columns:1fr}}
.orientation-track{border-left:4px solid #2c8865}
.activity-link .module-number{color:#27634d;background:#dff4e9}
.extension-lesson h2{margin-top:1.4rem;margin-bottom:.5rem;font-size:1.35rem}
.extension-lesson .practice h2{margin-top:0}
.lesson-steps{padding-left:1.35rem}
.lesson-steps li{padding-left:.2rem;margin-bottom:.85rem}
.lesson-steps p{margin-top:.2rem}
.lesson-visual{margin:1.1rem 0 1.4rem}
.lesson-visual img,.image-examples img{display:block;width:100%;height:auto;border-radius:12px}
.image-examples{margin:1.25rem 0}
.image-examples figure{margin:.8rem 0 1rem}
.image-examples figcaption{margin-top:.4rem;color:#44577c;font-size:.88rem}
.crop-examples{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,180px),1fr));gap:.75rem}
.crop-examples img{object-fit:cover;object-position:68% 60%}
.crop-examples .crop-wide{aspect-ratio:16/9}
.crop-examples .crop-square{aspect-ratio:1}
.crop-examples .crop-email{aspect-ratio:3/1}
.capstone-review{margin-top:1rem;border:1px solid #c4d4ef;border-radius:12px;padding:1rem}
.capstone-review legend{font-weight:750}
.capstone-review label{display:flex;gap:.5rem;align-items:baseline;margin:.5rem 0}