/* Update 20 October 2026: original front covers, Antolin and readable content. */
html { scroll-padding-top: 100px; }
body { min-width: 0; }
.hero { contain: paint; }
:focus-visible { outline: 3px solid #ffd216; outline-offset: 5px; }
.hero h1 { font-size: clamp(3.3rem, 8.1vw, 7.3rem); }
.hero[data-theme="cyan"] .hero__accent { font-size: .76em; }
.hero__layout > * { min-width: 0; }
.hero__visual { width: 100%; }
.hero-poster { width: min(410px, 100%); }
.hero-poster img { object-fit: contain; }
.hero-poster > [data-hero-image][hidden] { display: none; }
.hero-poster--set { width: min(510px, 100%); aspect-ratio: 1 / 1.12; transform: none; background: radial-gradient(ellipse at center, #a4961225, transparent 70%); box-shadow: none; }
.hero-poster--set::before { display: none; }
.hero-poster--set > span { top: 4%; right: 4%; }
.hero-cover-trio { display: none; position: absolute; inset: 20% 0 10%; align-items: center; justify-content: center; }
.hero-poster--set .hero-cover-trio { display: flex; }
.hero-cover-trio img { position: relative; width: 32%; height: auto; border-radius: 3px; box-shadow: 0 18px 32px #0008; }
.hero-cover-trio img:nth-child(1) { transform: rotate(-9deg) translateY(12px); }
.hero-cover-trio img:nth-child(2) { transform: translateY(-20px); z-index: 1; }
.hero-cover-trio img:nth-child(3) { transform: rotate(9deg) translateY(12px); }
.hero-poster--set ~ .chip { display: none; }
.challenge-heading { font-size: clamp(2.3rem, 4.6vw, 4.9rem) !important; overflow-wrap: anywhere; }
.challenge-heading > span { display: block; width: fit-content; }
.split-heading > * { min-width: 0; }
.challenge-books { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; margin: 0 0 64px; }
.challenge-book { --book-color: #ffd216; overflow: hidden; display: flex; flex-direction: column; border: 1px solid #ffffff26; border-radius: 18px; background: #10141d; }
.challenge-book--blue { --book-color: #31b9ff; }
.challenge-book--green { --book-color: #91e52a; }
.challenge-cover { display: block; padding: 24px 24px 0; background: radial-gradient(ellipse at center, #ffffff13, transparent 75%); }
.challenge-cover img { width: 100%; height: auto; aspect-ratio: 2 / 3; object-fit: contain; box-shadow: 0 12px 25px #0008; }
.challenge-book-copy { padding: 28px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.challenge-book .eyebrow { font-size: .64rem; color: var(--book-color); margin-bottom: 8px; }
.challenge-book h3 { font-size: 2rem; line-height: 1.1; margin: 0; }
.challenge-book p:not(.eyebrow) { color: var(--muted); margin: 15px 0 24px; }
.challenge-buy { margin-top: auto; background: var(--book-color); color: #071015; font-size: .9rem; }
.search-layout { align-items: stretch; }
.challenge-set { align-self: center; min-width: 0; padding: 30px; border: 1px solid #ffd21640; border-radius: 24px; background: linear-gradient(145deg,#ffd2160d,#0b101a); }
.challenge-set h3 { font-size: clamp(1.65rem,3vw,2.4rem); line-height: 1.13; margin: 0; }
.challenge-set > p:not(.eyebrow) { color: #c5ccda; }
.set-cover-trio { display:flex; gap: 10px; align-items: center; padding: 36px 0 24px; }
.set-cover-trio img { width: calc((100% - 20px) / 3); height: auto; box-shadow: 0 10px 20px #0008; }
.set-cover-trio img:nth-child(2) { transform: translateY(-12px); }
.set-launch { border-top: 1px solid #ffffff24; padding-top: 16px; font-size: .85rem; }
.antolin-pill { display: inline-block; margin: 3px 0 18px; padding: 6px 11px; border: 1px solid #a4e68b50; border-radius: 6px; background: #baff0010; color: #ccffb5; font-size: .75rem; font-weight: 800; }
.antolin-callout { margin: 26px 0; padding: 26px; border: 1px solid #98e18466; border-left: 4px solid #baff00; border-radius: 14px; background: linear-gradient(130deg,#baff0015,#0c1516); text-align: left; }
.antolin-kicker { font-size: .67rem; letter-spacing: .08em; font-weight: 850; text-transform: uppercase; color: #c3fca3; }
.antolin-callout h3 { font-size: clamp(1.3rem,2vw,1.8rem); line-height: 1.2; margin: 10px 0; }
.antolin-callout p { font-size: 1rem; color: #d0d9d1; }
.antolin-button { background: #c1f692; color: #10200a; }
.feature-copy > .eyebrow { font-size: .75rem; }
.book-faq { background: #090e16; }
.book-faq .section-heading h2 { font-size: clamp(2.3rem,5vw,4.5rem); }
.faq-grid { display: grid; gap: 12px; }
.faq-grid details { border: 1px solid var(--line); border-radius: 12px; background: #101621; padding: 20px 24px; }
.faq-grid summary { cursor: pointer; font-weight: 800; }
.faq-grid p { color: var(--muted); max-width: 80ch; }
.faq-grid a { color: #baff00; text-decoration: underline; }
.solution-result[data-book="finde-0"] { --solution-accent: #91e52a; }
.solution-result[data-book="finde-8"] { --solution-accent: #31b9ff; }
@media (max-width:980px) {
 .hero__visual { max-width: 440px; }
 .hero-poster--set { width: 100%; }
 .challenge-heading { font-size: clamp(2.6rem,8.5vw,5.5rem) !important; }
 .challenge-books { gap: 16px; }
 .challenge-cover { padding: 14px 14px 0; }
 .challenge-book-copy { padding: 24px 16px 18px; }
 .challenge-book h3 { font-size: 1.6rem; }
 .challenge-set { order: 2; }
 .feature-copy > .eyebrow { justify-content: center; }
}
@media (max-width:640px) {
 .solutions-copy h2 { font-size: clamp(2rem,11.5vw,3.8rem); }
 .hero h1 { font-size: clamp(2.8rem,13.5vw,4.8rem); }
 .hero__visual { width: min(100%,380px); }
 .hero-poster { margin-inline: auto; }
 .hero-poster--set { width: 94%; aspect-ratio: 1/1; }
 .hero-poster--set > span { font-size: .59rem; padding: 8px 10px; }
 .hero__layout { gap: 24px; }
 .challenge-books { grid-template-columns: 1fr; gap: 28px; }
 .challenge-book { max-width: 390px; width: 100%; margin-inline: auto; }
 .challenge-cover { padding: 24px 30px 0; }
 .challenge-book-copy { padding: 26px 24px; }
 .challenge-book h3 { font-size: 2rem; }
 .challenge-set { padding: 24px 20px; }
 .antolin-callout { padding: 22px 18px; }
 .antolin-button { width: 100%; font-size: .9rem; padding-inline: 8px; }
 .feature-copy > .button { width: 100%; font-size: .9rem; padding-inline: 8px; }
 .challenge-tabs button { min-width: 0; padding-inline: 11px; font-size: .85rem; }
 .faq-grid details { padding: 18px; }
}
@media (prefers-reduced-motion:reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}