/* The actual Introduction to AI course: projects first, visible learning throughout. */
.build-hero{background:radial-gradient(ellipse at 85% 20%,#e0e0ff,transparent 50%),#fff9eb}
.build-hero h1{font-size:clamp(3.3rem,5.7vw,5.5rem);max-width:12ch;line-height:1.01;letter-spacing:-.065em}
.build-hero h1 em{color:#7145a0;font-style:normal;white-space:normal}
.build-hero h1 em::after{display:none}
.build-hero .hero-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.build-hero .lede{font-size:1.12rem;line-height:1.65}
.hero-browser{transform:rotate(-4deg)}
.course-facts{background:var(--sun);border-bottom:2px solid var(--ink);padding-block:1.7rem}
.course-facts>.wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.5rem}
.course-facts strong{display:block;font:800 clamp(1.8rem,3vw,2.7rem)/1.1 Archivo,Arial,sans-serif;letter-spacing:-.05em}
.course-facts span{display:block;font:600 .78rem/1.4 Archivo,Arial,sans-serif;margin-top:.45rem}
.course-facts .wrap>div+div{border-left:1px solid #10263d40;padding-left:1.5rem}
.first-lesson{background:#fffdf8}
.first-lesson h2,.course-tour h2,.program-fit h2,.program-faq h2{font-size:clamp(2.25rem,4vw,3.9rem);letter-spacing:-.045em;line-height:1.08;max-width:none}
.first-lesson h2 em,.course-tour h2 em,.program-fit h2 em{font-style:normal;color:var(--teal-deep)}
.first-lesson-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.4rem}
.journey-card{background:#f0f6ef;border:1px solid #c8d5ca;border-radius:16px;overflow:hidden;min-width:0;display:flex;flex-direction:column}
.journey-card:nth-child(2){background:#f1ecff;border-color:#d8caec}.journey-card:nth-child(3){background:#fff1db;border-color:#e8d5b7}
.journey-copy{padding:1.6rem 1.4rem 1rem;flex:1}
.journey-number{display:block;font:800 2rem/1 Archivo,Arial,sans-serif;color:var(--teal-deep);margin-bottom:1.3rem;letter-spacing:-.07em}
.journey-card h3{font-size:1.25rem}.journey-card p{font-size:.95rem;color:var(--ink-soft)}
.journey-card>a{display:block;position:relative;margin:0 .65rem .65rem;color:var(--ink);text-decoration:none}
.journey-card img{display:block;width:100%;height:auto;border:1px solid #bac9c9;border-radius:9px}
.screenshot-action{display:block;font:700 .7rem Archivo,Arial,sans-serif;padding:.8rem .3rem .3rem}
.media-note,.course-note{font-size:.78rem;max-width:100ch;color:var(--ink-soft);margin:1.7rem 0 0}
.course-tour{background:#edf3ed;padding-block:4.5rem}
.course-tour .section-heading{margin-bottom:1.8rem}
.chapter-jumps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.65rem;margin:0}
.chapter-jumps a{display:flex;align-items:center;justify-content:space-between;gap:.5rem;background:white;border:1px solid #9fb6ad;border-radius:9px;padding:.9rem;font:700 .85rem Archivo,Arial,sans-serif;color:var(--ink);text-decoration:none}
.chapter-jumps a:hover{background:var(--lime)}.chapter-jumps a>span:first-child{font-size:.65rem;color:var(--teal-deep)}
.course-tour .unit{margin-top:2.5rem;scroll-margin-top:6rem}
.course-tour .unit-head{display:grid;grid-template-columns:1fr 2fr 3fr;gap:1.3rem;padding:1.1rem 1.4rem;box-shadow:none;border-width:1px;border-radius:10px}
.course-tour .unit-head h3{font-size:1.65rem;margin:0}.course-tour .unit-head h3>span{opacity:.45}
.course-tour .unit-head p{margin:0;font-size:.85rem;line-height:1.4}
.course-tour .unit-head .eyebrow{font-size:.65rem}
.lesson-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;margin-top:1.1rem}
.course-tour .week-card{padding:0;border:1px solid #b5c6c1;box-shadow:none;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;min-width:0;min-height:0;background:white}
.course-tour .week-card:hover{box-shadow:0 8px 24px #10263d13;transform:translateY(-3px)}
.lesson-shot{display:block;position:relative;background:#111d31;border-bottom:1px solid #d4dfd9}
.lesson-shot>img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:contain}
.lesson-number{position:absolute;top:.6rem;left:.6rem;font:800 1.1rem Archivo,Arial,sans-serif;letter-spacing:-.04em;background:var(--sun);color:var(--ink);padding:.3rem .5rem;border:1px solid var(--ink);border-radius:5px}
.lesson-copy{padding:1.15rem;display:flex;flex-direction:column;flex:1}
.course-tour .lesson-game{font:700 .6rem/1.45 Archivo,Arial,sans-serif;text-transform:uppercase;letter-spacing:.05em;color:var(--teal-deep);margin-bottom:.65rem}
.course-tour .week-card h4{font-size:1.14rem;line-height:1.22;margin:0 0 .8rem}
.course-tour .week-card .lesson-copy>p:not(.lesson-game):not(.build):not(.concepts){font-size:.88rem;line-height:1.55;margin-bottom:1rem}
.course-tour .week-card .build{margin-top:auto;background:#f0f5ef;padding:.7rem;margin-bottom:.8rem}
.course-tour .week-card .build strong{font-size:.78rem;line-height:1.45}
.course-tour .week-card .concepts{font:600 .67rem/1.5 Archivo,Arial,sans-serif;color:var(--teal-deep)}
.course-tour .course-cta{margin-top:2rem;padding-top:1.6rem}
.game-image-link img{height:auto;aspect-ratio:16/10;object-fit:contain;background:#080e1a}
.game-cover-mini{width:64px;height:44px;object-fit:cover;border-radius:6px;float:right;margin:0 0 .5rem .6rem;border:1px solid #ffffff30}
.game-tile:first-child{border-color:#c5e5a2}
.classroom-moments{gap:2rem 1.5rem}
.classroom-moments article{background:white;border:1px solid #d5dfd9;border-radius:12px;overflow:hidden;padding-bottom:1.2rem}
.classroom-moments img{border:0;border-bottom:1px solid #d5dfd9;border-radius:0;margin:0 0 1.2rem}
.classroom-moments h3,.classroom-moments p{margin-inline:1.2rem}
.program-fit{background:#ffefd1}
.program-benefits{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.5rem}
.program-benefits article{border-top:2px solid var(--ink);padding-top:1.4rem}
.benefit-icon{font:700 2rem Archivo,Arial,sans-serif;display:block;margin-bottom:1rem;color:var(--teal-deep)}
.program-benefits h3{font-size:1.12rem;line-height:1.25}.program-benefits p{font-size:.94rem;color:var(--ink-soft)}
.session-plan{display:grid;grid-template-columns:1fr 1.3fr;gap:3rem;background:#fffdf8;border:1px solid #dbc7a5;border-radius:18px;padding:2.2rem;margin-top:2.5rem}
.session-plan h3{font-size:2rem;line-height:1.14;max-width:15ch}.session-plan>div>p:not(.eyebrow){color:var(--ink-soft);font-size:.95rem}
.session-timeline{list-style:none;padding:0;margin:0}
.session-timeline li{display:flex;gap:1.2rem;padding:1rem 0;border-bottom:1px solid #ddd8ce}
.session-timeline li:first-child{padding-top:0}.session-timeline li:last-child{border:0;padding-bottom:0}
.minutes{flex:0 0 3rem;font:800 1.6rem/1 Archivo,Arial,sans-serif;color:var(--teal-deep)}.minutes small{display:block;font-size:.65rem;margin-top:.3rem}
.session-timeline h4{font-size:.95rem;margin:0 0 .3rem}.session-timeline p{font-size:.85rem;line-height:1.45;color:var(--ink-soft);margin:0}
.program-settings{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:2rem}
.program-settings>span{font:600 .76rem Archivo,Arial,sans-serif;border:1px solid #bca787;border-radius:999px;padding:.65rem .95rem}
.program-faq{background:#fffdf8}.program-faq .btn{margin-top:1rem}
.program-faq details{border-top:1px solid #cbd7d0;padding:1.2rem 0}.program-faq details:last-child{border-bottom:1px solid #cbd7d0}
.program-faq summary{font:700 1rem/1.4 Archivo,Arial,sans-serif;cursor:pointer;padding-right:1rem}
.program-faq details p{margin:1rem 0 0;font-size:.95rem;color:var(--ink-soft)}
.close h2{font-size:clamp(2.5rem,5vw,4.5rem);letter-spacing:-.045em;max-width:19ch}
@media(max-width:1100px){.lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-tour .week-card h4{font-size:1.3rem}.program-benefits{grid-template-columns:repeat(2,minmax(0,1fr))}.first-lesson-grid{gap:.8rem}.journey-copy{padding:1.2rem 1rem .7rem}}
@media(max-width:850px){.build-hero .hero-layout{grid-template-columns:1fr}.build-hero h1{font-size:clamp(3.4rem,8vw,5rem);max-width:none}.first-lesson-grid{grid-template-columns:1fr;gap:1.4rem}.journey-card{display:grid;grid-template-columns:1fr 1.3fr;align-items:center;padding:.8rem}.journey-card>a{margin:0}.journey-copy{padding:1rem}.journey-number{margin-bottom:.7rem}.course-tour .unit-head{grid-template-columns:1fr 2fr}.course-tour .unit-head>p:last-child{grid-column:1/-1}.session-plan{grid-template-columns:1fr;gap:1.5rem;padding:1.7rem}.session-plan h3{max-width:none}.classroom-moments{grid-template-columns:repeat(2,minmax(0,1fr))}.classroom-moments article{display:block}.classroom-moments h3{margin-bottom:.5rem}}
@media(max-width:620px){.build-hero h1{font-size:clamp(2.8rem,11.5vw,3.9rem)}.course-facts>.wrap{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.3rem}.course-facts .wrap>div+div{border:0;padding:0}.course-facts span{font-size:.7rem}.course-facts strong{font-size:2rem}.journey-card{display:flex;padding:0}.journey-copy{padding:1.3rem}.journey-card>a{margin:0 .65rem .65rem}.journey-number{font-size:1.6rem}.chapter-jumps{grid-template-columns:repeat(2,minmax(0,1fr))}.chapter-jumps a{font-size:.8rem;padding:.8rem}.course-tour{padding-block:3rem}.course-tour .unit-head{padding:1rem;gap:.7rem}.course-tour .unit-head h3{font-size:1.5rem}.lesson-grid{grid-template-columns:1fr;gap:1.2rem}.lesson-shot>img{aspect-ratio:16/9}.lesson-copy{padding:1.2rem}.course-tour .week-card .lesson-copy>p:not(.lesson-game):not(.build):not(.concepts){font-size:.96rem}.course-tour .week-card .build strong{font-size:.88rem}.course-tour .week-card .concepts{font-size:.75rem}.classroom-moments{grid-template-columns:1fr}.program-benefits{gap:1.2rem}.program-benefits h3{font-size:1rem}.program-benefits p{font-size:.86rem}.session-plan{padding:1.3rem}.session-plan h3{font-size:1.7rem}.session-timeline li{gap:.8rem}.program-settings>span{font-size:.7rem}.game-cover-mini{width:45px;height:32px}.first-lesson h2,.course-tour h2,.program-fit h2,.program-faq h2{font-size:2.25rem}}
@media(prefers-reduced-motion:reduce){.course-tour .week-card:hover{transform:none}}

/* Keep primary actions usable with touch and anchor destinations clear of the header. */
header nav a{min-height:44px;display:inline-flex;align-items:center}
header .language-selector select,.compare-controls button,#showcase-close{min-height:44px}
.pilot-contact{margin-top:1.4rem;max-width:60ch}
.pilot-contact p{font-size:.95rem;margin-bottom:.6rem}
.pilot-contact a{color:#fff;font-weight:700;text-underline-offset:3px}
.pilot-contact button{cursor:pointer;min-height:44px;font-size:.85rem}
#pilot-copy-status{min-height:1.6em;margin-top:.7rem}
@media(max-width:760px){html{scroll-padding-top:10rem}}

@media(max-width:1200px){header nav .hide-sm{display:none}header nav{gap:1rem}}
@media(max-width:620px){
  header .bar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.35rem .7rem}
  header .bar>.mark{grid-column:1;grid-row:1}
  header .bar>nav{display:contents}
  header .home-login{grid-column:2;grid-row:1;justify-self:end}
  header nav>.btn{grid-column:1;grid-row:2;justify-self:start}
  header .language-selector{grid-column:2;grid-row:2;justify-self:end}
  header .home-portfolio{grid-column:1/-1;grid-row:3}
}