/* UPSC home + course pages (2026-11-01). Loaded after home-marginalia.css, which supplies the
   tokens, header, buttons, auth widgets, highlighter marks and footer. Marginalia Bold:
   docs/design/design-system/marginalia-bold.md. Mobile first (390px), then up. */

.ic{width:20px;height:20px;flex:none}
.mk-sec{padding:56px 0}
@media(min-width:900px){.mk-sec{padding:88px 0}}
.mk-sec.tight{padding-top:0}
.mk-h2{font-size:clamp(28px,4.4vw,44px);font-weight:800;margin-top:12px;max-width:22ch}
.mk-lead{color:var(--ink-soft);font-size:16.5px;margin-top:12px;max-width:56ch;font-weight:500;line-height:1.65}
.mk-lead strong{color:var(--ink)}
.center{text-align:center}.center .mk-h2,.center .mk-lead{margin-left:auto;margin-right:auto}

/* ---------- devices: phone + laptop frames around looping clips ---------- */
.dev-phone{width:min(260px,72vw);margin:0 auto;background:var(--ink);border:2px solid var(--ink);border-radius:34px;padding:8px;box-shadow:8px 8px 0 var(--hl);position:relative}
.dev-phone::before{content:"";position:absolute;top:13px;left:50%;width:56px;height:6px;margin-left:-28px;border-radius:4px;background:#2b3350;z-index:2}
.dev-phone video,.dev-phone img{display:block;width:100%;aspect-ratio:390/844;object-fit:cover;border-radius:26px;background:var(--paper)}
.dev-laptop{width:100%;background:#fff;border:2px solid var(--ink);border-radius:12px;overflow:hidden;box-shadow:10px 10px 0 var(--hl)}
.dev-laptop .bar{display:flex;align-items:center;gap:6px;height:26px;padding:0 12px;background:var(--paper-deep);border-bottom:2px solid var(--ink)}
.dev-laptop .bar i{width:9px;height:9px;border-radius:50%;background:rgba(25,31,51,.25)}
.dev-laptop .bar span{margin-left:10px;font-size:11px;font-weight:700;color:var(--ink-soft);background:#fff;border-radius:6px;padding:2px 10px;flex:1;max-width:280px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dev-laptop video,.dev-laptop img{display:block;width:100%;aspect-ratio:1024/640;object-fit:cover;background:var(--paper)}
/* duo: laptop + phone on wide screens, the phone alone on phones */
.duo{position:relative}
.duo .dev-laptop{display:none}
@media(min-width:900px){
  .duo{padding:0 0 40px}
  .duo .dev-laptop{display:block;width:88%}
  .duo .dev-phone{position:absolute;right:0;bottom:0;width:min(200px,26%);margin:0;border-radius:28px;padding:6px;box-shadow:6px 6px 0 var(--red)}
  .duo .dev-phone video{border-radius:22px}
}
.dev-cap{display:flex;justify-content:center;gap:8px;align-items:center;margin-top:18px;font-size:13px;font-weight:700;color:var(--ink-soft)}
.dev-cap .ic{width:16px;height:16px;color:var(--red)}
/* a real card cut from a lesson, shown as a clipping */
.clip{background:#fff;border:2px solid var(--ink);box-shadow:7px 7px 0 var(--paper-deep);overflow:hidden}
.clip img{width:100%;height:auto;display:block}

/* ---------- hero ---------- */
.mk-hero{padding:40px 0 56px;overflow:hidden}
@media(min-width:900px){.mk-hero{padding:72px 0 88px}}
.mk-hero-grid{display:grid;gap:40px;align-items:center}
@media(min-width:900px){.mk-hero-grid{grid-template-columns:1fr 1.15fr;gap:48px}}
.mk-hero h1{font-size:clamp(36px,7.4vw,64px);font-weight:800;margin:14px 0 16px;letter-spacing:-.03em}
.mk-hero h1 .mark{white-space:normal}
.mk-hero .sub{font-size:17px;color:var(--ink-soft);max-width:42ch;font-weight:500;line-height:1.6}
.mk-hero .sub strong{color:var(--ink)}
.mk-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.mk-ctas .btn{padding:14px 24px;font-size:15.5px}
.mk-note{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:13.5px;font-weight:700;color:var(--ink-soft)}
.mk-note .ic{width:16px;height:16px;color:var(--red)}
.mk-ticks{list-style:none;display:grid;gap:9px;margin-top:22px}
.mk-ticks li{display:flex;gap:10px;align-items:flex-start;font-size:15px;font-weight:600}
.mk-ticks .ic{width:18px;height:18px;margin-top:2px;color:var(--red)}

/* ---------- books vs classes ---------- */
.vs{display:grid;gap:22px;margin-top:34px}
@media(min-width:820px){.vs{grid-template-columns:1fr 1fr}}
.vs-card{background:#fff;border:2px solid var(--ink);padding:24px 22px;box-shadow:7px 7px 0 var(--paper-deep)}
.vs-top{display:flex;align-items:center;gap:12px}
.vs-top .badge{width:44px;height:44px;display:grid;place-items:center;border:2px solid var(--ink);border-radius:12px;background:var(--hl-wash)}
.vs-top .badge .ic{width:22px;height:22px}
.vs-top h3{font-size:21px;font-weight:800}
.vs-top small{display:block;font-size:12.5px;font-weight:700;color:var(--ink-soft);margin-top:2px;letter-spacing:0}
.vs ul{list-style:none;display:grid;gap:10px;margin-top:18px}
.vs li{display:flex;gap:10px;font-size:15px;line-height:1.5;font-weight:500}
.vs li .ic{width:18px;height:18px;margin-top:2px}
.vs li.good .ic{color:#1f7a4d}
.vs li.bad .ic{color:var(--red)}
.vs-join{margin-top:28px;background:var(--ink);color:var(--paper);padding:26px 22px;border:2px solid var(--ink);box-shadow:8px 8px 0 var(--hl)}
.vs-join h3{font-size:clamp(22px,3vw,28px);font-weight:800}
.vs-join h3 em{font-style:normal;color:var(--hl)}
.vs-join p{color:rgba(249,246,238,.78);margin-top:8px;font-size:15.5px;font-weight:500;max-width:60ch}

/* ---------- promises ---------- */
.promise{display:grid;gap:14px;margin-top:34px}
@media(min-width:760px){.promise{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.promise{grid-template-columns:repeat(4,1fr)}}
.pr{background:#fff;border:2px solid var(--ink);padding:20px;position:relative}
.pr .ic{width:26px;height:26px;color:var(--red)}
.pr h3{font-size:18px;font-weight:800;margin-top:12px}
.pr p{font-size:14.5px;color:var(--ink-soft);margin-top:6px;font-weight:500;line-height:1.55}
.pr:nth-child(2){box-shadow:6px 6px 0 var(--hl)}
.pr:nth-child(4){box-shadow:6px 6px 0 var(--hl)}

/* ---------- feature rows: text + media ---------- */
.feat{display:grid;gap:32px;align-items:center}
@media(min-width:900px){.feat{grid-template-columns:.85fr 1.15fr;gap:56px}.feat.flip>.feat-media{order:-1}.feat.phone-only{grid-template-columns:1.2fr .8fr}}
.feat + .feat{margin-top:72px}
.feat-text h3{font-size:clamp(24px,3.4vw,34px);font-weight:800;margin-top:10px}
.feat-text p{color:var(--ink-soft);font-size:16px;margin-top:10px;font-weight:500;line-height:1.65;max-width:48ch}
.feat-text p strong{color:var(--ink)}
.feat-list{list-style:none;display:grid;gap:12px;margin-top:18px}
.feat-list li{display:flex;gap:12px;align-items:flex-start}
.feat-list .n{flex:none;width:28px;height:28px;display:grid;place-items:center;background:var(--ink);color:var(--hl);font-weight:800;font-size:13px;transform:rotate(-3deg)}
.feat-list b{display:block;font-size:15.5px}
.feat-list span{display:block;font-size:14.5px;color:var(--ink-soft);font-weight:500;line-height:1.5;margin-top:2px}

/* real lesson cards, side by side (scroll strip on phones) */
.cards-strip{display:grid;grid-auto-flow:column;grid-auto-columns:78%;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 18px;margin-top:30px}
.cards-strip>figure{scroll-snap-align:start}
@media(min-width:900px){.cards-strip{grid-auto-flow:row;grid-template-columns:repeat(3,1fr);overflow:visible}}
.cards-strip figcaption{font-size:13.5px;font-weight:700;color:var(--ink-soft);margin-top:12px;line-height:1.45}
.cards-strip figcaption b{color:var(--ink);display:block;font-size:15px}
.cards-strip .clip{max-height:420px}

/* ---------- time comparison ---------- */
.clock{display:grid;gap:16px;margin-top:32px}
@media(min-width:760px){.clock{grid-template-columns:1fr 1fr;max-width:820px}}
.clock-tile{border:2px solid var(--ink);padding:22px;background:#fff}
.clock-tile.us{background:var(--hl);box-shadow:8px 8px 0 var(--ink)}
.clock-tile .num{font-size:56px;font-weight:800;letter-spacing:-.04em;line-height:1}
.clock-tile .num small{font-size:18px;letter-spacing:0}
.clock-tile .lbl{font-size:15px;font-weight:700;margin-top:8px}
.clock-tile .bar{height:12px;border:2px solid var(--ink);margin-top:14px;background:#fff;position:relative}
.clock-tile .bar i{position:absolute;inset:0 auto 0 0;background:var(--ink)}
.clock-tile.class .bar i{width:100%;background:var(--ink-soft)}
.clock-tile.us .bar i{width:25%}

/* ---------- who ---------- */
.who{display:grid;gap:22px;margin-top:34px}
@media(min-width:820px){.who{grid-template-columns:1fr 1fr}}
.who-card{border:2px solid var(--ink);padding:24px 22px;background:#fff;box-shadow:7px 7px 0 var(--paper-deep)}
.who-card:nth-child(2){box-shadow:7px 7px 0 var(--hl)}
.who-card .ic{width:30px;height:30px;color:var(--red)}
.who-card h3{font-size:21px;font-weight:800;margin-top:10px}
.who-card p{font-size:15.5px;color:var(--body);margin-top:8px;font-weight:500;line-height:1.6}
.who-card .quote{margin-top:14px;padding:12px 14px;background:var(--hl-wash);border-left:4px solid var(--hl);font-size:14.5px;font-weight:600;color:var(--ink)}

/* ---------- plans (three courses) ---------- */
.plans3{display:grid;gap:26px;margin-top:38px}
@media(min-width:960px){.plans3{grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}}
.p3{background:#fff;border:2px solid var(--ink);padding:26px 22px;position:relative;display:flex;flex-direction:column;box-shadow:7px 7px 0 var(--paper-deep)}
.p3.live{box-shadow:7px 7px 0 var(--hl)}
.p3.soon{background:var(--ink);color:var(--paper);box-shadow:7px 7px 0 var(--red)}
.p3 .tag{position:absolute;top:-14px;left:18px;font-size:11px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;padding:6px 12px;transform:rotate(-2deg);border:2px solid var(--ink)}
.p3 .tag.t-free{background:#fff}
.p3 .tag.t-live{background:var(--hl)}
.p3 .tag.t-soon{background:var(--red);color:#fff;border-color:var(--red)}
.p3 .nm{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-soft);margin-top:4px}
.p3.soon .nm{color:var(--hl)}
.p3 h3{font-size:24px;font-weight:800;margin-top:6px}
.p3 .price{font-size:40px;font-weight:800;letter-spacing:-.03em;margin-top:10px;line-height:1.05}
.p3 .price small{font-size:14px;font-weight:700;color:var(--ink-soft);letter-spacing:0}
.p3.soon .price small{color:rgba(249,246,238,.7)}
.p3 .what{font-size:14.5px;color:var(--ink-soft);font-weight:500;margin-top:10px;line-height:1.55}
.p3.soon .what{color:rgba(249,246,238,.78)}
.p3 ul{list-style:none;display:grid;gap:9px;margin:18px 0 22px}
.p3 li{display:flex;gap:10px;font-size:14.5px;font-weight:600;align-items:flex-start;line-height:1.45}
.p3 li .ic{width:17px;height:17px;margin-top:2px;color:var(--red)}
.p3.soon li .ic{color:var(--hl)}
.p3 .acts{margin-top:auto;display:grid;gap:10px}
.p3 .btn{width:100%;padding:14px 0}
.p3.soon .btn{background:var(--hl);border-color:var(--hl);color:var(--ink)}
.p3.soon .btn.ghost{background:transparent;color:var(--paper);border-color:rgba(249,246,238,.45)}
.p3 .more{font-size:13.5px;font-weight:800;text-align:center;text-decoration:underline;text-underline-offset:3px}
.p3 .fine{font-size:12.5px;font-weight:700;color:var(--ink-soft);text-align:center}
.p3.soon .fine{color:rgba(249,246,238,.6)}

/* ---------- news strip ---------- */
.news{display:grid;gap:12px;margin-top:22px}
.news a{display:flex;gap:14px;align-items:flex-start;padding:14px 16px;background:#fff;border:2px solid var(--ink);transition:transform .12s,box-shadow .12s}
.news a:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--hl)}
.news .t{font-size:15px;font-weight:700;line-height:1.4}
.news .m{display:block;font-size:11.5px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--red);margin-bottom:4px}
.news .ic{width:18px;height:18px;margin-top:3px;color:var(--ink-soft)}

/* ---------- course pages ---------- */
.crumbs{font-size:13px;font-weight:700;color:var(--ink-soft);padding-top:22px}
.crumbs a{text-decoration:underline;text-underline-offset:3px}
.price-chip{display:inline-flex;align-items:baseline;gap:8px;margin-top:20px;background:#fff;border:2px solid var(--ink);padding:10px 16px;box-shadow:4px 4px 0 var(--hl)}
.price-chip b{font-size:30px;font-weight:800;letter-spacing:-.03em}
.price-chip span{font-size:13.5px;font-weight:700;color:var(--ink-soft)}
.inc{display:grid;gap:16px;margin-top:30px}
@media(min-width:760px){.inc{grid-template-columns:1fr 1fr}}
.inc-item{display:flex;gap:14px;padding:18px;background:#fff;border:2px solid var(--ink)}
.inc-item>.ic{width:26px;height:26px;color:var(--red);margin-top:2px}
.inc-item h3{font-size:17px;font-weight:800}
.inc-item p{font-size:14.5px;color:var(--ink-soft);margin-top:4px;font-weight:500;line-height:1.55}
.inc-item.locked{background:var(--paper-deep);border-style:dashed}
.inc-item.locked>.ic{color:var(--ink-soft)}
.steps3{display:grid;gap:14px;margin-top:28px;counter-reset:s}
@media(min-width:820px){.steps3{grid-template-columns:repeat(3,1fr)}}
.steps3 li{list-style:none;border:2px solid var(--ink);background:#fff;padding:20px;position:relative}
.steps3 li::before{counter-increment:s;content:counter(s);position:absolute;top:-16px;left:16px;width:32px;height:32px;display:grid;place-items:center;background:var(--hl);border:2px solid var(--ink);font-weight:800;transform:rotate(-4deg)}
.steps3 b{display:block;font-size:16.5px;margin-top:6px}
.steps3 span{display:block;font-size:14.5px;color:var(--ink-soft);margin-top:4px;font-weight:500;line-height:1.5}

/* compare table */
.cmp-wrap{overflow-x:auto;margin-top:28px;border:2px solid var(--ink);background:#fff;box-shadow:7px 7px 0 var(--paper-deep)}
.cmp{width:100%;border-collapse:collapse;min-width:560px;font-size:14.5px}
.cmp th,.cmp td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.cmp thead th{background:var(--ink);color:var(--paper);font-size:12px;letter-spacing:.07em;text-transform:uppercase}
.cmp thead th.hl{color:var(--hl)}
.cmp td:first-child{font-weight:700}
.cmp td{font-weight:500;color:var(--body)}
.cmp .y{color:#1f7a4d;font-weight:800}
.cmp .n{color:var(--ink-soft)}
.cmp .ic{width:17px;height:17px;vertical-align:-3px}
.cmp tbody tr:last-child td{border-bottom:none}

/* coming-soon banner */
.soon-banner{background:var(--ink);color:var(--paper);border:2px solid var(--ink);box-shadow:10px 10px 0 var(--red);padding:26px 22px;margin-top:22px;position:relative;overflow:hidden}
@media(min-width:900px){.soon-banner{padding:34px 36px}}
.soon-banner .stamp{display:inline-flex;align-items:center;gap:8px;background:var(--hl);color:var(--ink);font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase;padding:8px 14px;transform:rotate(-2deg);border:2px solid var(--ink)}
.soon-banner .stamp .ic{width:18px;height:18px}
.soon-banner h1{font-size:clamp(32px,6vw,54px);font-weight:800;margin-top:18px;letter-spacing:-.03em}
.soon-banner h1 em{font-style:normal;color:var(--hl)}
.soon-banner p{color:rgba(249,246,238,.8);font-size:16.5px;margin-top:12px;max-width:56ch;font-weight:500;line-height:1.6}
.build{margin-top:22px;background:rgba(249,246,238,.06);border:1px solid rgba(249,246,238,.18);padding:16px}
.build-row{display:flex;justify-content:space-between;gap:10px;font-size:14px;font-weight:700}
.build-row span:last-child{color:var(--hl)}
.build-bar{height:12px;border:2px solid var(--paper);margin-top:10px;position:relative}
.build-bar i{position:absolute;inset:0 auto 0 0;background:var(--hl)}
.build small{display:block;margin-top:10px;font-size:12.5px;color:rgba(249,246,238,.65);font-weight:600}
.subjects{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:26px}
@media(min-width:760px){.subjects{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1000px){.subjects{grid-template-columns:repeat(4,1fr)}}
.subj{border:2px solid var(--ink);background:#fff;padding:12px 14px;font-size:14.5px;font-weight:800;line-height:1.3}
.subj small{display:block;font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-soft);margin-top:4px}
.subj.now{background:var(--hl);box-shadow:4px 4px 0 var(--ink)}
.subj.now small{color:var(--ink)}

/* assurances + faq */
.assure2{display:grid;gap:14px;margin-top:28px}
@media(min-width:760px){.assure2{grid-template-columns:1fr 1fr}}
.assure2>div{display:flex;gap:14px;padding:18px;border:2px solid var(--ink);background:#fff}
.assure2 .ic{width:24px;height:24px;color:var(--red);margin-top:2px}
.assure2 h3{font-size:16.5px;font-weight:800}
.assure2 p{font-size:14.5px;color:var(--ink-soft);margin-top:4px;font-weight:500;line-height:1.55}
.assure2 a{text-decoration:underline;text-underline-offset:3px;color:var(--ink)}
.faq{margin-top:26px;border-top:2px solid var(--ink);max-width:760px}
.faq details{border-bottom:2px solid var(--ink)}
.faq summary{list-style:none;cursor:pointer;padding:18px 36px 18px 2px;font-size:16.5px;font-weight:800;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:14px;font-size:24px;color:var(--red)}
.faq details[open] summary::after{content:"\2212"}
.faq details p{padding:0 2px 18px;font-size:15.5px;color:var(--body);font-weight:500;line-height:1.65;max-width:64ch}

.buy-band{margin:56px 0 24px;background:var(--hl);border:2px solid var(--ink);box-shadow:10px 10px 0 var(--ink);padding:34px 22px;text-align:center}
.buy-band h2{font-size:clamp(26px,4vw,40px);font-weight:800}
.buy-band p{font-weight:700;opacity:.75;margin:10px 0 22px}
.buy-band .mk-ctas{justify-content:center}
.mk-pen{display:flex;gap:9px;margin-top:16px;font-size:14px;font-weight:700;color:var(--red);align-items:center}
.mk-pen .ic{width:18px;height:18px}
.feat-list .n .ic{width:15px;height:15px}
.foot-links{flex-wrap:wrap;gap:10px 18px}
.foot-links a{white-space:nowrap}
@media(min-width:900px){
  .mk-hero-grid{grid-template-columns:.9fr 1.3fr}
  .mk-hero h1{font-size:clamp(40px,4.4vw,58px)}
  .feat{grid-template-columns:.8fr 1.2fr}
}
.wrap{max-width:1180px}
@media(min-width:900px){
  .feat.flip{grid-template-columns:1.2fr .8fr}
  .feat.phone-only,.feat.flip.phone-only{grid-template-columns:1.2fr .8fr}
  .feat.flip.phone-only{grid-template-columns:.8fr 1.2fr}
  .duo .dev-phone{width:min(190px,24%)}
}
.cmp.c3{min-width:0}
.cmp.c3 th,.cmp.c3 td{padding:11px 10px}
.mk-ctas .btn{white-space:normal;text-align:center;line-height:1.3}