/* PS BIOS — public/css/style.css | White + blue theme from the final approved mockup.
   BEM-style classes, CSS variables in :root, mobile-first, no frameworks. */
:root{
  --blue:#2563eb; --blue-dark:#1d4ed8; --blue-deep:#0a2540; --sky:#38bdf8;
  --tint:#eff6ff; --tint2:#dbeafe; --ink:#0f1f38; --muted:#5b6b82; --line:#e3ebf5;
  --white:#ffffff; --radius:18px; --radius-sm:12px;
  --shadow:0 10px 30px rgba(37,99,235,.10), 0 2px 8px rgba(10,37,64,.06);
  --shadow-lg:0 24px 50px rgba(10,37,64,.22);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --space:22px; --max:1160px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.65;font-size:16.5px}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--sky);outline-offset:3px}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--space)}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:12px;top:12px;background:var(--white);padding:10px 16px;z-index:100}
/* --- top strip + sticky header (dark navy, approved) --- */
.topstrip{background:linear-gradient(90deg,var(--blue),var(--blue-dark));color:#eaf2ff;font-size:13.5px;text-align:center;padding:8px 14px;font-weight:500}
.topstrip b{color:#fff}
.site-header{position:sticky;top:0;z-index:50;background:var(--blue-deep);border-bottom:1px solid rgba(255,255,255,.10);box-shadow:0 4px 18px rgba(10,37,64,.18)}
.site-header__inner{display:flex;align-items:center;gap:24px;height:70px}
.site-logo{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:900;color:#fff;letter-spacing:-.03em}
.site-logo:hover{text-decoration:none}
.site-logo__mark{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--sky));display:flex;align-items:center;justify-content:center;color:#fff;font-size:19px;box-shadow:0 6px 14px rgba(37,99,235,.35);flex:none}
.site-logo span{color:var(--sky)}
.site-nav{display:flex;gap:27px;margin-left:auto}
.site-nav a{color:#dbeafe;font-weight:600;font-size:15.5px}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:#fff;text-decoration:none}
.site-nav__toggle{display:none;background:none;border:2px solid rgba(255,255,255,.4);color:#fff;border-radius:10px;padding:8px 12px;font-size:20px;cursor:pointer;margin-left:auto}
/* --- hero --- */
.hero{background-image:radial-gradient(rgba(37,99,235,.12) 1.5px,transparent 1.6px),linear-gradient(180deg,#f2f7ff 0%,#e8f1fe 58%,#ffffff 100%);background-size:22px 22px,100% 100%;padding:54px 0 40px;overflow:hidden}
.hero--page{padding:48px 0 36px}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero__badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1.5px solid var(--tint2);color:var(--blue-dark);font-size:13px;font-weight:800;letter-spacing:.05em;padding:7px 14px;border-radius:99px;box-shadow:var(--shadow);margin-bottom:18px;text-transform:uppercase}
.hero__title{font-size:46px;font-weight:900;line-height:1.15;letter-spacing:-.02em;color:var(--blue-deep);margin-bottom:16px}
.hero__title .hl{color:var(--blue);background:linear-gradient(transparent 64%,#bfdbfe 64%);padding:0 5px;border-radius:3px}
.hero__intro{color:var(--muted);font-size:18px;margin-bottom:16px}
.hero__intro b{color:var(--ink)}
.hero__ctas{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0}
.hero__visual{position:relative}
.hero__visual img{border-radius:22px;box-shadow:var(--shadow-lg);border:6px solid #fff}
.hero__chip{position:absolute;top:22px;right:-12px;background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:10px 15px;font-family:ui-monospace,Menlo,monospace;font-weight:700;font-size:14px;color:var(--blue-deep)}
.hero__chip span{display:block;font-family:var(--font);font-size:12px;color:var(--muted);font-weight:600}
.breadcrumbs{font-size:13.5px;color:var(--muted);margin-bottom:18px;font-weight:500}
.breadcrumbs b{color:var(--blue)}
.breadcrumbs a{color:var(--muted)}
/* --- buttons --- */
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--blue);color:#fff;font-weight:700;padding:14px 26px;border-radius:12px;box-shadow:0 8px 20px rgba(37,99,235,.35);transition:transform .2s,background .2s}
.btn:hover{background:var(--blue-dark);transform:translateY(-2px);text-decoration:none}
.btn--ghost{background:#fff;color:var(--blue);border:2px solid var(--tint2);box-shadow:none}
.btn--ghost:hover{border-color:var(--blue)}
/* --- content sections: every heading gets a title bar --- */
.content-section{padding:56px 0}
.content-section--tint{background:linear-gradient(180deg,#fff,#f5f9ff)}
.content-section--specs{background:var(--tint)}
.content-section--cards{background:#fff}
.content-section--dark{background:var(--blue-deep);color:#dbeafe}
.content-section--dark .section__title,.content-section--dark .section__subtitle{color:#fff}
.content-section--dark p{color:#a9c6f5}
.content-section--legal{background:var(--tint)}
.section__title{font-size:32px;font-weight:800;line-height:1.22;letter-spacing:-.02em;color:var(--blue-deep);margin-bottom:14px;padding-left:16px;border-left:5px solid var(--blue);position:relative}
.section__title::after{content:"";display:block;width:64px;height:3px;background:linear-gradient(90deg,var(--blue),var(--sky));margin-top:10px}
.section__subtitle{font-size:21px;font-weight:800;color:var(--blue-deep);margin:28px 0 8px;padding-left:14px;border-left:4px solid var(--sky)}
.content-section p{margin-bottom:14px;max-width:860px}
.content-section--dark .section__title{border-left-color:var(--sky)}
.content-list{margin:0 0 18px 22px;color:var(--ink)}
.content-list li{margin-bottom:8px}
.steps-list{margin:0 0 18px 22px}
.steps-list li{margin-bottom:8px}
.content-figure{margin:26px 0}
.content-figure img{border-radius:20px;box-shadow:var(--shadow)}
.content-figure__caption{text-align:center;color:var(--muted);font-size:13.5px;margin-top:10px;font-weight:500}
.table-wrap{overflow-x:auto;margin:24px 0}
.content-table{width:100%;border-collapse:separate;border-spacing:0;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#fff;font-size:15px;min-width:560px}
.content-table th{background:var(--blue);color:#fff;text-align:left;padding:13px 18px;font-size:14px;letter-spacing:.04em;text-transform:uppercase}
.content-table td{padding:12.5px 18px;border-top:1px solid var(--line);color:var(--ink)}
.content-table tr td:first-child{font-weight:700;color:var(--blue-deep)}
.table__placeholder-link{font-weight:700;color:var(--blue)}
.code-block{background:var(--blue-deep);color:#dbeafe;border-radius:12px;padding:16px 20px;overflow-x:auto;margin:16px 0;font-size:15px}
.code-block code{font-family:ui-monospace,Menlo,monospace}
.download-placeholder{margin:20px 0}
.effective-date{font-weight:700;color:var(--muted);margin-bottom:14px}
.error__issue{font-weight:600}
.error__fix{color:var(--muted)}
/* --- FAQ (native details/summary) --- */
.faq__item{border:1.5px solid var(--line);border-radius:14px;margin-bottom:13px;background:#fff;overflow:hidden}
.faq__item[open]{border-color:var(--blue);box-shadow:var(--shadow)}
.faq__question{cursor:pointer;padding:19px 24px;font-weight:700;font-size:16.5px;color:var(--blue-deep);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq__question::-webkit-details-marker{display:none}
.faq__question::after{content:"+";color:var(--blue);font-size:23px;font-weight:800;flex:none}
.faq__item[open] .faq__question::after{content:"–"}
.faq__answer{padding:0 24px 20px;color:var(--muted);font-size:15.5px}
/* reveal rule moved to redesign appendix: visible by default, hidden only under html.reveal-on */
/* --- footer --- */
.site-footer{background:var(--blue-deep);color:#a9c6f5;padding:56px 0 30px;margin-top:70px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:14px}
.site-footer a{color:#a9c6f5;display:block;font-size:14.5px;margin-bottom:9px}
.site-footer a:hover{color:#fff}
.site-footer .site-logo{margin-bottom:12px}
.footer__about{font-size:14.5px;line-height:1.6}
.footer__social{display:flex;gap:10px;margin-top:16px}
.footer__social a{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.10);margin:0;transition:background .2s,transform .2s}
.footer__social a:hover{background:var(--blue);transform:translateY(-2px)}
.footer__social svg{width:18px;height:18px;fill:#fff}
.footer__bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:20px;font-size:13.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
/* --- responsive breakpoints: 1440 / 1024 / 768 / 480 / 320 --- */
@media(max-width:1024px){.hero__grid{grid-template-columns:1fr}.hero__title{font-size:40px}}
@media(max-width:768px){
  .site-nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--blue-deep);flex-direction:column;padding:16px 22px 22px;gap:14px}
  .site-nav.is-open{display:flex}
  .site-nav__toggle{display:block}
  .hero__title{font-size:34px}.section__title{font-size:27px}
  .footer__grid{grid-template-columns:1fr 1fr}
  .hero__chip{right:8px}
}
@media(max-width:480px){
  body{font-size:16px}.hero__title{font-size:29px}.section__title{font-size:24px}
  .footer__grid{grid-template-columns:1fr}.btn{width:100%;justify-content:center}
}
@media(max-width:320px){.container{padding:0 14px}.hero__title{font-size:26px}}

/* ============ REDESIGN 2026-10-31: per-section design + reveal fix ============ */
/* Reveal fix: content is visible by default. Only when JS has added
   html.reveal-on (atomically, right before the observer starts) may
   .reveal hide anything, and a 3s safety timeout in main.js forces
   .is-visible on everything. With JS disabled/blocked, nothing hides. */
html.reveal-on .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s,transform .5s}
html.reveal-on .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html.reveal-on .reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
/* ---- shared design primitives (BEM, no inline styles) ---- */
.design-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:12px}
.design-grid--emu{grid-template-columns:repeat(2,1fr)}
.design-stack{display:grid;gap:20px;margin-top:12px}
.design-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.design-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.design-card .section__subtitle{margin-top:0}
.design-card p{max-width:none}
.design-split__wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:34px;align-items:start;margin-top:10px}
.design-split__text p{max-width:none}
.design-list{list-style:none;margin-left:0}
.download-card{background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;border-radius:16px;padding:24px 26px;margin:22px 0;box-shadow:0 14px 30px rgba(37,99,235,.35)}
.download-card .section__subtitle{color:#fff;border-left-color:#fff;margin-top:0}
.download-card p{color:#dbeafe;max-width:none}
/* ---- HOME ---- */
.design-what-is{background:linear-gradient(180deg,#f2f7ff,#fff)}
.design-what-is .section__title{border-left-color:#0ea5e9}
.design-what-is .content-figure img{border:6px solid #fff;box-shadow:var(--shadow-lg)}
.design-features{background:#f8fbff}
.design-features .design-card:nth-child(1){border-top:5px solid var(--blue)}
.design-features .design-card:nth-child(2){border-top:5px solid #0ea5e9}
.design-features .design-card:nth-child(3){border-top:5px solid #8b5cf6}
.design-features .design-card:nth-child(4){border-top:5px solid #059669}
.design-callout{background:var(--blue-deep);color:#dbeafe}
.design-callout .section__title{color:#fff;border-left-color:var(--sky)}
.design-callout .section__title::after{background:linear-gradient(90deg,var(--sky),var(--blue))}
.design-callout p{color:#c7d9f7;max-width:860px}
.design-compare{background:#fff}
.design-compare .design-grid{grid-template-columns:repeat(3,1fr)}
.design-compare .design-card:nth-child(1){background:#eff6ff;border-top:5px solid var(--blue)}
.design-compare .design-card:nth-child(2){background:#fff7ed;border-top:5px solid #f59e0b}
.design-compare .design-card:nth-child(3){background:#f5f3ff;border-top:5px solid #8b5cf6}
.design-usa{background:linear-gradient(180deg,#fff,#eff6ff)}
.design-usa .content-table th{background:var(--blue-deep)}
.design-regions{background:#f5f9ff}
.design-regions .design-grid{grid-template-columns:repeat(2,1fr)}
.design-regions .design-card:nth-child(1){border-left:6px solid var(--blue)}
.design-regions .design-card:nth-child(2){border-left:6px solid #dc2626}
.design-regions .design-card:nth-child(3){border-left:6px solid #059669}
.design-regions .design-card:last-child{grid-column:1/-1;background:var(--blue-deep);color:#dbeafe}
.design-regions .design-card:last-child .section__subtitle{color:#fff}
.design-regions .design-card:last-child p{color:#c7d9f7}
.design-timeline{background:#fff}
.design-timeline .design-grid{display:block}
.design-timeline .design-card{border-left:6px solid var(--blue);margin-bottom:16px}
.design-timeline .design-card:nth-child(2){border-left-color:#0ea5e9}
.design-timeline .design-card:nth-child(3){border-left-color:#059669}
.design-timeline .design-card:nth-child(4){border-left-color:#f59e0b}
.design-picker{background:radial-gradient(ellipse at top,#eff6ff,#fff 65%)}
.design-picker p:first-of-type{font-size:18px;font-weight:600;color:var(--blue-deep)}
.design-reasons{background:#f8fbff}
.design-reasons .design-list{counter-reset:reasons}
.design-reasons .design-list li{counter-increment:reasons;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px 18px 68px;margin-bottom:14px;position:relative;box-shadow:var(--shadow)}
.design-reasons .design-list li::before{content:counter(reasons,decimal-leading-zero);position:absolute;left:18px;top:16px;font-size:22px;font-weight:900;color:var(--blue)}
.design-safety{background:#fffbeb;border-top:5px solid #f59e0b}
.design-safety .section__title{border-left-color:#f59e0b}
.design-verify{background:#f0f9ff}
.design-verify .design-grid{grid-template-columns:repeat(3,1fr)}
.design-verify .design-card{background:#fff}
.design-verify .code-block{background:#0a2540;color:#dbeafe;border-left:5px solid var(--sky)}
.design-extract{background:#fff}
.design-extract .design-card .steps-list{list-style:none;margin-left:0;counter-reset:steps}
.design-extract .design-card .steps-list li{counter-increment:steps;position:relative;padding-left:44px;margin-bottom:12px}
.design-extract .design-card .steps-list li::before{content:counter(steps);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800}
.design-emulators{background:linear-gradient(180deg,#f2f7ff,#fff)}
.design-emulators .design-card--emu{background:linear-gradient(180deg,#fff,#f5f9ff);border-top:5px solid var(--blue)}
.design-install{background:#f8fbff}
.design-install .design-card--platform{border-left:6px solid var(--blue);background:#fff}
.design-install .design-card--platform:nth-child(2){border-left-color:#0ea5e9}
.design-install .design-card--platform:nth-child(3){border-left-color:#8b5cf6}
.design-install .design-card--platform:nth-child(4){border-left-color:#059669}
.design-install .design-card--platform:nth-child(5){border-left-color:#f59e0b}
.design-quickref{background:#fff}
.design-quickref .content-table{font-size:14px}
.design-quickref .content-table td:nth-child(3){font-family:ui-monospace,Menlo,monospace;font-size:13.5px}
.design-errors-dark{background:var(--blue-deep);color:#dbeafe}
.design-errors-dark .section__title{color:#fff;border-left-color:var(--sky)}
.design-errors-dark .design-card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);color:#dbeafe;box-shadow:none}
.design-errors-dark .design-card .section__subtitle{color:#fff}
.design-errors-dark .design-card p{color:#c7d9f7}
.design-legal{background:#f5f9ff}
.design-legal .container{border:2px solid var(--tint2);border-radius:20px;padding:32px 34px;background:#fff;box-shadow:var(--shadow)}
.design-tips{background:#fff}
.design-tips .design-grid{grid-template-columns:repeat(2,1fr)}
.design-tips .design-card{background:#f0f9ff;border-left:5px solid #0ea5e9}
.design-games{background:linear-gradient(180deg,#fff,#f2f7ff)}
.design-games .design-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.design-games .design-list li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow)}
.design-faq{background:#f8fbff}
.design-faq .faq__item{border-left:5px solid var(--blue)}
/* ---- PS1 ---- */
.design-ps1-what-is{background:linear-gradient(180deg,#eef2ff,#fff)}
.design-ps1-features{background:#f8fbff}
.design-ps1-features .design-card:nth-child(1){border-top:5px solid #8b5cf6}
.design-ps1-features .design-card:nth-child(2){border-top:5px solid var(--blue)}
.design-ps1-features .design-card:nth-child(3){border-top:5px solid #059669}
.design-ps1-features .design-card:nth-child(4){border-top:5px solid #0ea5e9}
.design-ps1-features .design-card:nth-child(5){border-top:5px solid #f59e0b}
.design-ps1-vs{background:#fff7ed}
.design-ps1-vs .section__title{border-left-color:#f59e0b}
.design-ps1-picker{background:#f0fdf4}
.design-ps1-picker .section__title{border-left-color:#059669}
.design-ps1-compare{background:#fff}
.design-ps1-compare p{border-left:4px solid var(--blue);background:#f8fbff;border-radius:0 12px 12px 0;padding:16px 16px 16px 20px}
.design-ps1-regions{background:#f5f3ff}
.design-ps1-regions .design-grid{grid-template-columns:repeat(2,1fr)}
.design-ps1-regions .design-card:nth-child(1){border-left:6px solid var(--blue)}
.design-ps1-regions .design-card:nth-child(2){border-left:6px solid #059669}
.design-ps1-regions .design-card:nth-child(3){border-left:6px solid #dc2626}
.design-ps1-regions .design-card:nth-child(4){border-left:6px solid #8b5cf6}
.design-ps1-picker-best{background:linear-gradient(135deg,#eff6ff,#f0fdf4)}
.design-ps1-safety{background:#fffbeb;border-top:5px solid #f59e0b}
.design-ps1-verify{background:#f0f9ff}
.design-ps1-verify .content-table td:nth-child(3){font-family:ui-monospace,Menlo,monospace;font-size:13px;word-break:break-all}
.design-ps1-callout{background:var(--blue-deep);color:#dbeafe}
.design-ps1-callout .section__title{color:#fff;border-left-color:var(--sky)}
.design-ps1-callout p{color:#c7d9f7}
.design-ps1-emulators{background:linear-gradient(180deg,#eef2ff,#fff)}
.design-ps1-emulators .design-card{border-top:5px solid #8b5cf6}
.design-ps1-install{background:#f8fbff}
.design-ps1-install .design-card{border-left:6px solid var(--blue)}
.design-ps1-install-mobile{background:#f0f9ff}
.design-ps1-install-mobile .design-card{border-left:6px solid #0ea5e9}
.design-ps1-errors-dark{background:#1e1b4b;color:#e0e7ff}
.design-ps1-errors-dark .section__title{color:#fff;border-left-color:#a78bfa}
.design-ps1-errors-dark .design-card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);color:#e0e7ff;box-shadow:none}
.design-ps1-errors-dark .design-card .section__subtitle{color:#fff}
.design-ps1-errors-dark .design-card p{color:#c7d2fe}
.design-ps1-errors-dark .error__issue{color:#fff}
.design-ps1-errors-dark .error__fix{color:#c7d2fe}
.design-ps1-faq{background:#fff}
.design-ps1-faq .faq__item{border-left:5px solid #8b5cf6}
/* ---- ABOUT ---- */
.design-about-topics{background:#f8fbff}
.design-about-nodo{background:#fef2f2}
.design-about-nodo .section__title{border-left-color:#dc2626}
.design-about-accuracy{background:#f0fdf4}
.design-about-accuracy .section__title{border-left-color:#059669}
.design-about-team{background:linear-gradient(180deg,#fff,#eff6ff)}
.design-about-style{background:#fff}
.design-about-style .container{border-left:5px solid var(--sky);padding-left:34px}
.design-about-cta{background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff}
.design-about-cta .section__title{color:#fff;border-left-color:#fff}
.design-about-cta p{color:#dbeafe}
/* ---- CONTACT ---- */
.design-contact-mail{background:#eff6ff}
.design-contact-mail a[href^="mailto:"]{font-weight:800}
.design-contact-intro{background:#fff}
.design-contact-check{background:#f8fbff;border-left:6px solid var(--sky)}
.design-contact-corrections{background:#f0fdf4}
.design-contact-limits{background:#fef2f2}
.design-contact-limits .section__title{border-left-color:#dc2626}
.design-contact-dmca{background:#f5f3ff}
.design-contact-partner{background:#fffbeb}
.design-contact-privacy{background:#f0f9ff}
/* ---- PRIVACY ---- */
.design-privacy-collect{background:#f8fbff}
.design-privacy-cookies{background:#fff}
.design-privacy-cookies .container{border:1px solid var(--line);border-radius:18px;padding:28px 30px;box-shadow:var(--shadow)}
.design-privacy-use{background:#eff6ff}
.design-privacy-list{background:#f8fbff;border-left:5px solid var(--blue)}
.design-privacy-legal{background:#f5f3ff}
.design-privacy-share{background:#fff}
.design-privacy-links{background:#f0f9ff}
.design-privacy-retention{background:#f8fbff}
.design-privacy-rights{background:#f0fdf4}
.design-privacy-rights .section__title{border-left-color:#059669}
.design-privacy-transfers{background:#fff7ed}
.design-privacy-changes{background:#f8fbff}
/* ---- TERMS ---- */
.design-terms-intro{background:#f8fbff}
.design-terms-copyright{background:#fef2f2}
.design-terms-copyright .section__title{border-left-color:#dc2626}
.design-terms-risk{background:#fffbeb;border-top:5px solid #f59e0b}
.design-terms-accuracy{background:#f0fdf4}
.design-terms-rules{background:#fff;border-left:5px solid var(--blue)}
.design-terms-content{background:#f8fbff}
.design-terms-links{background:#f0f9ff}
.design-terms-liability{background:#fef2f2}
.design-terms-ending{background:#fff}
.design-terms-dmca{background:#f5f3ff}
.design-terms-changes{background:#f8fbff}
.design-terms-law{background:var(--blue-deep);color:#dbeafe}
.design-terms-law .section__title{color:#fff;border-left-color:var(--sky)}
.design-terms-law p{color:#c7d9f7}
/* ---- DMCA ---- */
.design-dmca-host{background:#f8fbff}
.design-dmca-notice{background:#eff6ff}
.design-dmca-notice p{border-left:4px solid var(--blue);padding-left:16px}
.design-dmca-process{background:#f0fdf4}
.design-dmca-counter{background:#fff}
.design-dmca-warning{background:#fffbeb;border:2px solid #f59e0b;border-radius:18px}
.design-dmca-repeat{background:#fef2f2}
.design-dmca-other{background:#f5f3ff}
.design-dmca-changes{background:#f8fbff}
/* ---- hero chip (verified, no placeholder wording) ---- */
.hero__chip span{color:var(--blue-dark)}
/* ---- responsive for new layouts ---- */
@media(max-width:1024px){
  .design-compare .design-grid,.design-verify .design-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .design-grid,.design-grid--emu,.design-compare .design-grid,.design-verify .design-grid,.design-regions .design-grid,.design-ps1-regions .design-grid,.design-tips .design-grid,.design-games .design-list,.design-ps1-install-mobile .design-grid{grid-template-columns:1fr}
  .design-split__wrap{grid-template-columns:1fr}
  .design-regions .design-card:last-child{grid-column:auto}
  .design-legal .container,.design-privacy-cookies .container{padding:22px 20px}
}
@media(max-width:480px){
  .design-card{padding:18px}
  .design-reasons .design-list li{padding-left:56px}
}

.design-conclusion{background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff}
.design-conclusion .section__title{color:#fff;border-left-color:#fff}
.design-conclusion p{color:#dbeafe;max-width:860px}
.design-ps1-conclusion{background:linear-gradient(135deg,#312e81,#2563eb);color:#fff}
.design-ps1-conclusion .section__title{color:#fff;border-left-color:#a78bfa}
.design-ps1-conclusion p{color:#e0e7ff;max-width:860px}

/* ============ IMPROVEMENT ROUND 2 (2026-10-31): two-tone headings, compact cards, smaller images, per-section polish ============ */
/* 1) Two-tone headings: JS splits each content heading into first-half + rest.
   Fallback (JS off): headings stay dark navy, still fully readable. */
.heading-blue{color:var(--blue)}
.heading-black{color:var(--ink)}
.hero__title .heading-blue{color:var(--blue)}
.hero__title .heading-black{color:var(--blue-deep)}
.content-section--dark .heading-blue,.design-errors-dark .heading-blue,.design-ps1-errors-dark .heading-blue,.design-conclusion .heading-blue,.design-ps1-conclusion .heading-blue,.design-about-cta .heading-blue,.design-terms-law .heading-blue,.design-callout .heading-blue,.design-ps1-callout .heading-blue,.download-card .heading-blue{color:var(--sky)}
.content-section--dark .heading-black,.design-errors-dark .heading-black,.design-ps1-errors-dark .heading-black,.design-conclusion .heading-black,.design-ps1-conclusion .heading-black,.design-about-cta .heading-black,.design-terms-law .heading-black,.design-callout .heading-black,.design-ps1-callout .heading-black,.download-card .heading-black{color:#fff}
/* 2) Long cards removed: install stack is now a compact 2-column tile grid,
   and card grids no longer stretch short cards to the tallest card's height. */
.design-stack{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;align-items:start}
.design-grid,.design-grid--emu{align-items:start}
.design-card--platform{padding:20px 22px}
.design-card--emu{padding:20px 22px}
.design-card--emu .content-table{font-size:14px}
.design-card--emu .content-figure{margin:18px 0}
/* 4) Images sized to the content, not full-width: section figures capped and centred,
   hero image capped, in-card figures fill their (now narrower) card only. */
.content-figure{max-width:680px;margin:26px auto;text-align:center}
.content-figure img{max-width:100%;width:100%;height:auto;margin:0 auto;border-radius:16px}
.design-split__wrap .content-figure,.design-card .content-figure{max-width:100%;margin:18px 0}
.hero__visual img{max-width:520px;margin-left:auto}
/* 5) Overall per-section polish: tighter rhythm, clearer dividers, stronger title underline. */
.content-section{padding:48px 0}
.content-section + .content-section{border-top:1px solid var(--line)}
.section__title{font-size:31px}
.section__title::after{width:84px;height:4px}
.design-card{border-radius:16px}
@media(max-width:1024px){.hero__visual img{margin:0 auto}}
@media(max-width:768px){
  .design-stack{grid-template-columns:1fr}
  .content-section{padding:38px 0}
  .content-figure{max-width:100%}
}

/* ============ ROUND 3 (2026-10-31): senior redesign, home page sections ============ */
/* 1) Headings back to black (dark sections keep white for readability). */
.hero__title,.section__title,.section__subtitle{color:#0a0a0a}
.content-section--dark .section__title,.content-section--dark .section__subtitle{color:#fff}
/* 2) Full width title bar, site wide, with colour. */
.section__title{display:block;width:100%;background:linear-gradient(90deg,#eff6ff,#dbeafe 70%,#bfdbfe);color:#0a0a0a;padding:16px 22px;border-left:6px solid var(--blue);border-radius:14px;margin-bottom:20px}
.section__title::after{display:none}
.content-section--dark .section__title,.design-errors-dark .section__title,.design-ps1-errors-dark .section__title,.design-conclusion .section__title,.design-ps1-conclusion .section__title,.design-about-cta .section__title,.design-terms-law .section__title{background:rgba(255,255,255,.12);color:#fff;border-left-color:var(--sky)}
/* 3) Features: icon circles on top of each card. */
.card-icon{display:flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--sky));font-size:26px;margin-bottom:14px;box-shadow:0 8px 18px rgba(37,99,235,.30)}
.design-features .design-card{border-top:5px solid var(--blue);padding-top:20px}
.design-features .design-card:hover{transform:translateY(-5px)}
/* 4) Why You Need: no dark background, a specific white box. */
.design-callout{background:#f5f9ff}
.design-callout .container{background:#fff;border:1.5px solid var(--tint2);border-left:6px solid var(--blue);border-radius:20px;padding:34px 36px;box-shadow:var(--shadow)}
.design-callout .section__title{background:linear-gradient(90deg,#eff6ff,#dbeafe);color:#0a0a0a;border-left-color:var(--blue)}
.design-callout p{color:var(--ink)}
/* 5) BIOS vs ISO vs ROM: one colour for all cards. */
.design-compare .design-card{background:#fff;border:1px solid var(--line);border-top:5px solid var(--blue);box-shadow:var(--shadow)}
.design-compare .design-card:nth-child(2),.design-compare .design-card:nth-child(3){background:#fff;border-top:5px solid var(--blue)}
/* 6) USA table: specific border lines, one colour. */
.design-usa .content-table{border:2px solid var(--blue)}
.design-usa .content-table th{background:var(--blue)}
.design-usa .content-table td{border-bottom:1px solid #bfdbfe}
.design-usa .content-table tr:nth-child(even) td{background:#f5f9ff}
/* 7) All Regions table: specific design, border lines. */
.design-regions .content-table{border:2px solid var(--blue-deep)}
.design-regions .content-table th{background:var(--blue-deep)}
.design-regions .content-table td{border-bottom:1px solid #c7d2fe}
.design-regions .content-table tr:nth-child(even) td{background:#eef2ff}
/* 8) Types: numbered cards, region table below. */
.design-timeline .design-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.design-timeline .design-card{border-left:6px solid var(--blue);margin-bottom:0}
/* 9) Region-Based table: specific design. */
.design-timeline .design-card .content-table{border:2px solid var(--blue-deep);font-size:14px}
.design-timeline .design-card .content-table th{background:var(--blue-deep)}
.design-timeline .design-card .content-table tr:nth-child(even) td{background:#f5f9ff}
/* 10) Which BIOS: the whole section is one design box, tighter spacing. */
.design-picker{background:#f5f9ff}
.design-picker .container{background:#fff;border:1.5px solid var(--tint2);border-left:6px solid #059669;border-radius:20px;padding:32px 34px;box-shadow:var(--shadow)}
.design-picker p{margin-bottom:10px}
/* 11) Why USA: border lines and shadow on the numbered items. */
.design-reasons .design-list li{border:2px solid #dbeafe;box-shadow:0 10px 24px rgba(10,37,64,.10)}
.design-reasons .design-list li:hover{border-color:var(--blue);transform:translateX(4px)}
/* 12) Where to Get: new beautiful background. */
.design-safety{background:linear-gradient(135deg,#eff6ff,#f0fdf4 55%,#fff7ed);border-top:none}
.design-safety .container{background:rgba(255,255,255,.85);border:1.5px solid #dbeafe;border-radius:20px;padding:32px 34px;box-shadow:var(--shadow)}
.design-safety .section__title{border-left-color:#059669}
/* 13) Verify CRC: cards removed, vertical step design with numbers. */
.design-verify{background:#f8fbff}
.design-verify .design-grid{display:block;counter-reset:verify-step}
.design-verify .design-card{position:relative;border:1px solid var(--line);border-left:6px solid var(--blue);border-radius:16px;padding:24px 26px 24px 84px;margin-bottom:18px;counter-increment:verify-step;box-shadow:var(--shadow);background:#fff}
.design-verify .design-card::before{content:counter(verify-step,decimal-leading-zero);position:absolute;left:22px;top:24px;width:44px;height:44px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:900}
/* 14) Extract: cards removed, full width step blocks. */
.design-extract .design-grid{display:block}
.design-extract .design-card{border:1px solid var(--line);border-left:6px solid #0ea5e9;border-radius:16px;margin-bottom:18px;background:#fff;box-shadow:var(--shadow)}
/* 15) Emulators: cards removed, numbered rows, system requirements on top is in HTML order. */
.design-emulators .design-grid--emu{display:block;counter-reset:emu-step}
.design-emulators .design-card--emu{position:relative;border:1px solid var(--line);border-left:6px solid var(--blue);border-radius:16px;padding:24px 26px 24px 84px;margin-bottom:18px;counter-increment:emu-step;background:#fff;box-shadow:var(--shadow)}
.design-emulators .design-card--emu::before{content:counter(emu-step,decimal-leading-zero);position:absolute;left:22px;top:24px;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--sky));color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:900}
.design-emulators .design-card--emu .content-table{font-size:14px}
/* 16) Install: cards removed, timeline rows. */
.design-install .design-stack{display:block}
.design-install .design-card--platform{position:relative;border:1px solid var(--line);border-left:6px solid var(--blue);border-radius:16px;padding:24px 26px;margin-bottom:18px;background:#fff;box-shadow:var(--shadow)}
/* 17) Quick Reference: bold paths, bordered table lines. */
.design-quickref .content-table{border:2px solid var(--blue)}
.design-quickref .content-table th{background:var(--blue)}
.design-quickref .content-table td{border-bottom:1px solid #bfdbfe}
.design-quickref .content-table td:nth-child(3){font-weight:800;color:var(--blue-deep)}
.design-quickref .content-table tr:nth-child(even) td{background:#f5f9ff}
/* 18) Errors: dark background removed, specific light style. */
.design-errors-dark{background:#fffbeb}
.design-errors-dark .section__title{background:linear-gradient(90deg,#fef2f2,#fee2e2);color:#0a0a0a;border-left-color:#dc2626}
.design-errors-dark .design-card{background:#fff;border:1px solid #fecaca;border-left:6px solid #dc2626;color:var(--ink);box-shadow:var(--shadow)}
.design-errors-dark .design-card .section__subtitle{color:#0a0a0a}
.design-errors-dark .design-card p{color:var(--muted)}
.design-errors-dark .content-section--dark p{color:var(--muted)}
/* 19) Legal: split layout puts the image on the right (see HTML split wrap). */
.design-legal .design-split__wrap{align-items:center}
.design-legal .content-figure img{border:6px solid #fff;box-shadow:var(--shadow-lg)}
/* 20) Tips: image is last in HTML order, cards improved. */
.design-tips .design-card{background:#fff;border:1px solid var(--line);border-left:5px solid #0ea5e9;box-shadow:var(--shadow)}
.design-tips .design-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
/* 21) Games: bordered, shadowed cards, first two letters bold is in HTML. */
.design-games .design-list li{border:2px solid #dbeafe;box-shadow:0 10px 24px rgba(10,37,64,.10);background:#fff}
.design-games .design-list li:hover{border-color:var(--blue)}
/* 22) Conclusion: a specific box inside a plain section. */
.design-conclusion{background:#fff}
.design-conclusion .container{background:linear-gradient(135deg,var(--blue),var(--blue-dark));border-radius:22px;padding:36px 38px;box-shadow:0 24px 50px rgba(10,37,64,.25)}
.design-conclusion .section__title{background:rgba(255,255,255,.14);color:#fff;border-left-color:#fff}
.design-conclusion p{color:#dbeafe}
@media(max-width:768px){
  .section__title{padding:14px 16px}
  .design-verify .design-card,.design-emulators .design-card--emu{padding-left:68px}
  .design-verify .design-card::before,.design-emulators .design-card--emu::before{left:14px;width:36px;height:36px;font-size:15px}
  .design-callout .container,.design-picker .container,.design-safety .container,.design-conclusion .container{padding:24px 20px}
}

/* ============ ROUND 4 (2026-10-31): hero above fold, symmetric title bars, equal cards, table lines ============ */
/* 1) Hero content up, download button in the first view. */
.hero{padding:26px 0 30px}
.hero__grid{align-items:start}
.hero__badge{margin-bottom:12px}
.hero__title{margin-bottom:10px}
.hero__intro{margin-bottom:10px}
.hero__ctas{margin:16px 0 0}
/* 2) Title bar: same corner accent at the end as at the start. */
.section__title{border-right:6px solid var(--blue)}
.content-section--dark .section__title,.design-errors-dark .section__title,.design-ps1-errors-dark .section__title,.design-conclusion .section__title,.design-ps1-conclusion .section__title,.design-about-cta .section__title,.design-terms-law .section__title{border-right-color:var(--sky)}
/* 3) Features cards: equal length. */
.design-features .design-grid{align-items:stretch}
.design-features .design-card{height:100%}
/* 4) BIOS vs ISO vs ROM cards: equal length. */
.design-compare .design-grid{align-items:stretch}
.design-compare .design-card{height:100%}
/* 5) USA table: column lines. */
.design-usa .content-table th,.design-usa .content-table td{border-left:1px solid #bfdbfe;border-right:1px solid #bfdbfe}
.design-usa .content-table th:first-child,.design-usa .content-table td:first-child{border-left:none}
.design-usa .content-table th:last-child,.design-usa .content-table td:last-child{border-right:none}
.download-cta{margin:22px 0 14px}
/* 6) All Regions: blue section, zebra table. */
.design-regions{background:linear-gradient(180deg,#eff6ff,#dbeafe)}
.design-regions .content-table{border:2px solid var(--blue)}
.design-regions .content-table th{background:var(--blue)}
.design-regions .content-table td{border-bottom:1px solid #bfdbfe}
.design-regions .content-table tr:nth-child(odd) td{background:#fff}
.design-regions .content-table tr:nth-child(even) td{background:#dbeafe}
/* 7) Types cards: equal length. */
.design-timeline .design-grid{align-items:stretch}
.design-timeline .design-card{height:100%}
/* 9) Which BIOS: box removed, bold first paragraph removed. */
.design-picker{background:#fff}
.design-picker .container{background:transparent;border:none;border-left:none;border-radius:0;padding:0;box-shadow:none}
.design-picker p:first-of-type{font-size:inherit;font-weight:400;color:var(--ink)}
/* 10) Why USA: hover becomes full blue. */
.design-reasons .design-list li{transition:background .2s,color .2s,border-color .2s,transform .2s}
.design-reasons .design-list li:hover{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 16px 32px rgba(37,99,235,.35);transform:translateY(-2px)}
.design-reasons .design-list li:hover::before{color:#fff}
/* 11) Where to Get: border lines and full shadow below. */
.design-safety .container{border:2px solid #dbeafe;box-shadow:0 24px 50px rgba(10,37,64,.20)}
/* 12) Verify CRC: smaller images. */
.design-verify .content-figure{max-width:420px}
.design-verify .content-figure img{width:100%}
/* 13/14) Emulator and install headings now sit outside their boxes: cards go back to normal padding, number badges off. */
.design-emulators .design-card--emu{padding:24px 26px}
.design-emulators .design-card--emu::before{display:none}
/* 15) Errors: blue colour, equal length cards. */
.design-errors-dark{background:#eff6ff}
.design-errors-dark .section__title{background:linear-gradient(90deg,#eff6ff,#dbeafe);color:#0a0a0a;border-left-color:var(--blue);border-right-color:var(--blue)}
.design-errors-dark .design-grid{align-items:stretch}
.design-errors-dark .design-card{height:100%;background:#fff;border:1px solid #bfdbfe;border-left:6px solid var(--blue);color:var(--ink)}
.design-errors-dark .design-card .section__subtitle{color:#0a0a0a}
/* 16) Games: full blue shadow on hover. */
.design-games .design-list li{transition:background .2s,color .2s,box-shadow .2s,transform .2s}
.design-games .design-list li:hover{background:var(--blue);color:#fff;box-shadow:0 16px 32px rgba(37,99,235,.40);transform:translateY(-3px)}
.design-games .design-list li:hover b{color:#fff}
/* 17) Conclusion: blue box removed, improved white box. */
.design-conclusion{background:#f5f9ff}
.design-conclusion .container{background:#fff;border:2px solid #dbeafe;border-left:6px solid var(--blue);border-radius:22px;padding:36px 38px;box-shadow:0 24px 50px rgba(10,37,64,.18)}
.design-conclusion .section__title{background:linear-gradient(90deg,#eff6ff,#dbeafe);color:#0a0a0a;border-left-color:var(--blue);border-right-color:var(--blue)}
.design-conclusion p{color:var(--ink)}
@media(max-width:768px){
  .hero{padding:20px 0 24px}
}

/* ============ ROUND 5 (2026-10-31): hero top lines removed, smaller images, headings outside boxes ============ */
/* 1) Hero text further up now that breadcrumb and badge are gone. */
.hero{padding-top:14px}
/* 4) Extraction images: much smaller, centred. */
.design-extract .content-figure{max-width:340px;margin-left:auto;margin-right:auto}
/* 5) AetherSX2 image: smaller, centred. */
.design-emulators .content-figure{max-width:380px;margin-left:auto;margin-right:auto}
/* 6) Install images: smaller, centred. */
.design-install .content-figure{max-width:380px;margin-left:auto;margin-right:auto}
/* 5/6) Icon lists: points with icons beside the text. */
.icon-list{list-style:none;margin:0 0 18px;padding:0}
.icon-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px}
.icon-list li .li-icon{flex:0 0 30px;height:30px;border-radius:50%;background:#eff6ff;border:1.5px solid #bfdbfe;display:flex;align-items:center;justify-content:center;font-size:15px}
.icon-list li .content-figure{max-width:320px;margin:14px 0 0}
/* 6) Small numbering for the wizard steps. */
.steps-list--small{font-size:15px}
.steps-list--small li{padding-left:40px;margin-bottom:10px}
.steps-list--small li::before{width:26px;height:26px;font-size:12px}
.steps-list--small li .content-figure{max-width:320px;margin-top:12px}
@media(max-width:768px){
  .hero{padding-top:10px}
  .design-extract .content-figure,.design-emulators .content-figure,.design-install .content-figure{max-width:300px}
}

/* ROUND 5 fix: wizard steps actually numbered, icon-list figures below their text. */
.steps-list--small{list-style:none;margin-left:0;counter-reset:steps-small}
.steps-list--small li{counter-increment:steps-small;position:relative}
.steps-list--small li::before{content:counter(steps-small);position:absolute;left:0;top:0;background:var(--blue);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800}
.icon-list li{flex-wrap:wrap}
.icon-list li .content-figure{flex:0 0 100%;margin-left:42px}

/* ============ ROUND 6 (2026-10-31): table borders, point lists, restored emulator headings, numbered install steps ============ */
/* 1) Region-Based table: border lines. */
.design-timeline .content-table{border:2px solid var(--blue-deep)}
.design-timeline .content-table th,.design-timeline .content-table td{border-left:1px solid #bfdbfe;border-right:1px solid #bfdbfe}
.design-timeline .content-table th:first-child,.design-timeline .content-table td:first-child{border-left:none}
.design-timeline .content-table th:last-child,.design-timeline .content-table td:last-child{border-right:none}
.design-timeline .content-table tr:nth-child(even) td{background:#f5f9ff}
/* 3) Tools Required table: border lines. */
.design-extract .content-table{border:2px solid var(--blue)}
.design-extract .content-table th,.design-extract .content-table td{border-left:1px solid #bfdbfe;border-right:1px solid #bfdbfe}
.design-extract .content-table th:first-child,.design-extract .content-table td:first-child{border-left:none}
.design-extract .content-table th:last-child,.design-extract .content-table td:last-child{border-right:none}
/* 4) Step-by-Step first image: right side. */
.design-extract .design-card .content-figure:first-of-type{margin-left:auto;margin-right:0}
/* 5/7/8) Point lists: no box, no icons, blue dots. */
.point-list{list-style:none;margin:0 0 18px;padding:0}
.point-list li{position:relative;padding-left:22px;margin-bottom:10px}
.point-list li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;background:var(--blue)}
/* 8) Restored emulator cards: full blue hover. */
.design-card--hover-blue{transition:background .2s,color .2s,border-color .2s,box-shadow .2s,transform .2s}
.design-card--hover-blue:hover{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 16px 32px rgba(37,99,235,.40);transform:translateY(-2px)}
.design-card--hover-blue:hover p{color:#fff}

/* ============ ROUND 7 (2026-10-31): blue region outline, extraction text left / image right ============ */
/* 1) Region-Based table: blue outline and blue lines. */
.design-timeline .content-table{border:2px solid var(--blue)}
.design-timeline .content-table th{background:var(--blue)}
.design-timeline .content-table th,.design-timeline .content-table td{border-left:1px solid #93c5fd;border-right:1px solid #93c5fd}
/* 2) Step-by-Step: text on the left, first image on the right, side by side. */
.design-extract .design-card{display:grid;grid-template-columns:1fr 340px;column-gap:24px;align-items:start}
.design-extract .design-card h3{grid-column:1 / -1}
.design-extract .design-card .content-figure:first-of-type{grid-column:2;grid-row:2;margin:0;max-width:340px}
.design-extract .design-card .steps-list:first-of-type{grid-column:1;grid-row:2}
.design-extract .design-card .content-figure:nth-of-type(2){grid-column:1 / -1;max-width:420px;margin:0 auto}
.design-extract .design-card .steps-list:nth-of-type(2){grid-column:1 / -1}
@media(max-width:768px){
  .design-extract .design-card{grid-template-columns:1fr}
  .design-extract .design-card h3,.design-extract .design-card .content-figure:first-of-type,.design-extract .design-card .steps-list:first-of-type,.design-extract .design-card .content-figure:nth-of-type(2),.design-extract .design-card .steps-list:nth-of-type(2){grid-column:1;grid-row:auto;margin-left:auto;margin-right:auto}
}

/* ============ ROUND 8 (2026-10-31): hero image slightly lower ============ */
.hero__visual{margin-top:16px}

/* ============ ROUND 9 (2026-10-31): PS1 page design same as home page ============ */
/* Equal-length cards, like home Features/Compare. */
.design-ps1-features .design-grid,.design-ps1-compare .design-grid,.design-ps1-install .design-grid,.design-ps1-install-mobile .design-grid,.design-ps1-errors-dark .design-grid{align-items:stretch}
.design-ps1-features .design-card,.design-ps1-compare .design-card,.design-ps1-install .design-card,.design-ps1-install-mobile .design-card,.design-ps1-errors-dark .design-card{height:100%}
/* Emulator headings outside cards, like home: grid stacks, heading above each card. */
.design-ps1-emulators .design-grid{display:block}
.design-ps1-emulators .design-card{margin-bottom:16px}
.design-ps1-emulators .content-figure{max-width:380px;margin-left:auto;margin-right:auto}
/* Tables: blue border, column lines and zebra, like home. */
.design-ps1-verify .content-table,.design-ps1-regions .content-table,.design-ps1-picker .content-table,.design-ps1-picker-best .content-table{border:2px solid var(--blue)}
.design-ps1-verify .content-table th,.design-ps1-regions .content-table th,.design-ps1-picker .content-table th,.design-ps1-picker-best .content-table th{background:var(--blue)}
.design-ps1-verify .content-table th,.design-ps1-verify .content-table td,.design-ps1-regions .content-table th,.design-ps1-regions .content-table td,.design-ps1-picker .content-table th,.design-ps1-picker .content-table td,.design-ps1-picker-best .content-table th,.design-ps1-picker-best .content-table td{border-left:1px solid #93c5fd;border-right:1px solid #93c5fd}
.design-ps1-verify .content-table tr:nth-child(even) td,.design-ps1-regions .content-table tr:nth-child(even) td{background:#f5f9ff}
/* Errors: blue like home, not dark. */
.design-ps1-errors-dark{background:#eff6ff}
.design-ps1-errors-dark .section__title{background:linear-gradient(90deg,#eff6ff,#dbeafe);color:#0a0a0a;border-left-color:var(--blue);border-right-color:var(--blue)}
.design-ps1-errors-dark .design-card{background:#fff;border:1px solid #bfdbfe;border-left:6px solid var(--blue);color:var(--ink)}
.design-ps1-errors-dark .design-card .section__subtitle{color:#0a0a0a}
.design-ps1-errors-dark .design-card p{color:var(--ink)}
.design-ps1-errors-dark .error__issue{color:#0a0a0a}
.design-ps1-errors-dark .error__fix{color:var(--ink)}
/* Conclusion: white box with blue accent, like home. */
.design-ps1-conclusion{background:#f5f9ff}
.design-ps1-conclusion .container{background:#fff;border:2px solid #dbeafe;border-left:6px solid var(--blue);border-radius:22px;padding:36px 38px;box-shadow:0 24px 50px rgba(10,37,64,.18)}
.design-ps1-conclusion .section__title{background:linear-gradient(90deg,#eff6ff,#dbeafe);color:#0a0a0a;border-left-color:var(--blue);border-right-color:var(--blue)}
.design-ps1-conclusion p{color:var(--ink)}
/* PS1 figures: capped like home. */
.design-ps1-install .content-figure,.design-ps1-install-mobile .content-figure{max-width:380px;margin-left:auto;margin-right:auto}

/* ============ ROUND 10 (2026-10-31): PS1 hero lower, Why Choose plain, install cards removed ============ */
/* 1) PS1 hero image visibly lower (PS1 only, home untouched). */
/* 3) Why Choose: background removed, heading black. */
.design-ps1-callout{background:transparent;color:var(--ink)}
.design-ps1-callout .section__title{background:linear-gradient(90deg,#eff6ff,#dbeafe);color:#0a0a0a;border-left-color:var(--blue);border-right-color:var(--blue)}
.design-ps1-callout p{color:var(--ink)}

/* ============ ROUND 11 (2026-10-31): home hero image as background, full-width text ============ */

/* ============ ROUND 12 (2026-10-31): lighter blue hero, whole-site mobile fix ============ */
/* 1) Hero: lighter blue, text still clearly readable. */
/* 2) Mobile: every grid collapses to one column, including Types which stayed 2-column on mobile. */
@media(max-width:768px){
  .design-grid,.design-grid--emu,.design-stack,.design-split__wrap,.design-compare .design-grid,.design-verify .design-grid,.design-regions .design-grid,.design-ps1-regions .design-grid,.design-tips .design-grid,.design-games .design-list,.design-timeline .design-grid,.design-ps1-features .design-grid,.design-ps1-compare .design-grid,.design-ps1-install .design-grid,.design-ps1-install-mobile .design-grid,.design-ps1-errors-dark .design-grid{grid-template-columns:1fr}
  .design-grid > *,.design-stack > *,.design-split__wrap > *{min-width:0}
  .design-card{min-width:0}
  p,li,td,th,a,code{overflow-wrap:anywhere}
  .table-wrap{max-width:100%;-webkit-overflow-scrolling:touch}
  .content-table{font-size:13px}
  .content-table th,.content-table td{padding:10px 12px}
  .design-card{padding:20px 18px}
  .design-emulators .design-card--emu{padding:20px 18px}
  .design-verify .design-card{padding:20px 18px}
  .site-header__inner{gap:12px}
  .site-logo{font-size:18px}
  .hero__ctas{flex-direction:column}
  .hero__ctas .btn{width:100%;justify-content:center}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .section__title{font-size:23px}
  .section__subtitle{font-size:19px}
  .design-card{padding:18px 16px}
  .content-table{font-size:12.5px}
}

/* ============ ROUND 13 (2026-10-31): hero background restored (home + PS1), other updates kept ============ */
.hero--home{background-image:linear-gradient(90deg,rgba(37,99,235,.78),rgba(59,130,246,.48)),url('../images/hero-banner.webp');background-size:cover;background-position:center;background-repeat:no-repeat;padding:64px 0}
.hero--home .hero__grid{grid-template-columns:1fr;gap:0}
.hero--home .hero__title{color:#fff;max-width:none;text-shadow:0 2px 12px rgba(10,37,64,.35)}
.hero--home .hero__intro{color:#e0e7ff;max-width:none;text-shadow:0 1px 8px rgba(10,37,64,.30)}
.hero--home .hero__intro b{color:#fff}
@media(max-width:768px){
  .hero--home{padding:48px 0}
}

/* ============ ROUND 14 (2026-10-31): hero overlay back to first background version (dark navy, not light blue) ============ */
.hero--home{background-image:linear-gradient(90deg,rgba(10,37,64,.90),rgba(10,37,64,.62)),url('../images/hero-banner.webp')}
.hero--home .hero__title{text-shadow:none}
.hero--home .hero__intro{text-shadow:none}

/* ============ ROUND 15 (2026-10-31): PageSpeed LCP fix — mobile hero uses small 800px image ============ */
@media(max-width:768px){
  .hero--home{background-image:linear-gradient(90deg,rgba(10,37,64,.90),rgba(10,37,64,.62)),url('../images/hero-banner-mobile.webp')}
}