:root {
  --indigo-950:#0d1736;
  --indigo-900:#162550;
  --indigo-800:#23366f;
  --accent:#5369d8;
  --teal:#0b7d80;
  --teal-light:#dff3f1;
  --amber:#b77812;
  --amber-light:#fff2d6;
  --ink:#1b2737;
  --muted:#5d697c;
  --line:#cbd4e2;
  --surface:#fff;
  --surface-soft:#eef2f8;
  --page:#e8edf5;
  --radius:10px;
  --shadow:0 18px 42px rgba(19,35,76,.12);
  --wide:min(1200px,calc(100% - clamp(32px,7vw,96px)));
  --read:min(780px,calc(100% - 32px));
}

* { box-sizing:border-box; }
html { scroll-behavior:smooth; overflow-x:hidden; }
body { margin:0; overflow-x:hidden; background:var(--page); color:var(--ink); font-family:"Noto Sans",Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif; font-size:17px; line-height:1.74; text-rendering:optimizeLegibility; }
img { display:block; max-width:100%; height:auto; }
a { color:#344dbb; text-decoration-thickness:.09em; text-underline-offset:.16em; }
a:hover { color:#132c98; }
a:focus-visible,button:focus-visible,summary:focus-visible { outline:3px solid #0d8588; outline-offset:4px; }
.screen-reader-text { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); clip-path:inset(50%); white-space:nowrap; }
.skip-link { position:fixed; z-index:1000; top:10px; left:10px; transform:translateY(-160%); background:#fff; color:#111; padding:12px 18px; border-radius:6px; font-weight:700; }
.skip-link:focus { transform:translateY(0); }

.site-header { position:relative; z-index:30; background:var(--indigo-950); color:#fff; border-bottom:1px solid rgba(255,255,255,.13); }
.site-header__inner { width:var(--wide); margin:auto; min-height:86px; display:flex; align-items:center; gap:26px; padding:14px 0; }
.site-brand { flex:0 0 auto; }
.custom-logo-link { display:flex; align-items:center; min-height:48px; padding:5px 10px; background:#fff; border-radius:9px; }
.custom-logo { width:210px; max-height:58px; object-fit:contain; object-position:left center; }
.brand-text { color:#fff; text-decoration:none; font-size:1.25rem; font-weight:800; }
.primary-nav { margin-left:auto; }
.nav-list { display:flex; flex-wrap:wrap; align-items:center; justify-content:flex-end; gap:2px 14px; margin:0; padding:0; list-style:none; }
.nav-list a { display:flex; align-items:center; min-height:46px; padding:8px 3px; color:#f4f6ff; font-size:.82rem; font-weight:700; text-decoration:none; border-bottom:2px solid transparent; white-space:nowrap; }
.nav-list a:hover,.nav-list .current-menu-item>a { color:#fff; border-color:#48c7c9; }
.menu-toggle { display:none; width:48px; height:48px; margin-left:auto; padding:11px; background:transparent; border:1px solid rgba(255,255,255,.35); border-radius:8px; }
.menu-toggle span[aria-hidden] { display:block; height:2px; margin:5px 0; background:#fff; }

.home-cover { background:linear-gradient(135deg,var(--indigo-950),var(--indigo-900) 72%,#123f4d); color:#fff; }
.home-cover__inner { width:var(--wide); margin:auto; display:grid; grid-template-columns:minmax(0,.86fr) minmax(420px,1.14fr); align-items:center; gap:clamp(34px,5vw,76px); padding:clamp(52px,7vw,96px) 0 clamp(60px,8vw,110px); }
.cover-kicker,.eyebrow { margin:0 0 12px; color:#0b787b; font-size:.75rem; font-weight:800; letter-spacing:.12em; text-transform:uppercase; }
.home-cover .cover-kicker { color:#79e2df; }
.home-cover h1 { max-width:720px; margin:0; font-size:clamp(2.45rem,5.2vw,4.35rem); line-height:1.04; letter-spacing:-.045em; }
.cover-summary { max-width:670px; margin:24px 0 0; color:#d8deef; font-size:clamp(1.04rem,1.5vw,1.22rem); line-height:1.66; }
.cover-actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:32px; }
.button { display:inline-flex; align-items:center; justify-content:center; min-height:50px; padding:12px 20px; border:1px solid transparent; border-radius:7px; font-weight:800; text-decoration:none; }
.button--primary { background:#62d4d2; color:#0b2141; }
.button--primary:hover { background:#8ce3e1; color:#07162b; }
.button--ghost { border-color:rgba(255,255,255,.55); color:#fff; }
.button--ghost:hover { background:#fff; color:var(--indigo-950); }
.home-cover__media { margin:0; border:1px solid rgba(255,255,255,.18); border-radius:12px; overflow:hidden; box-shadow:0 28px 70px rgba(0,0,0,.34); aspect-ratio:16/9; }
.home-cover__media img { width:100%; height:100%; object-fit:cover; object-position:center; }

.article-shell { min-height:70vh; }
.article-header { padding:clamp(58px,8vw,108px) max(16px,calc((100% - 920px)/2)) clamp(46px,6vw,76px); background:linear-gradient(135deg,var(--indigo-950),var(--indigo-900)); color:#fff; }
.article-header h1 { max-width:900px; margin:0; font-size:clamp(2.25rem,5vw,4.15rem); line-height:1.08; letter-spacing:-.04em; }
.article-summary { max-width:760px; margin:22px 0 0; color:#d8deef; font-size:1.12rem; }

.page-content { counter-reset:chapter; padding:clamp(30px,5vw,64px) 0 clamp(72px,9vw,118px); }
.page-content>.section { width:var(--read); margin:0 auto; padding:clamp(42px,6vw,78px) 0; border-bottom:1px solid var(--line); counter-increment:chapter; }
.page-content>.section:last-child { border-bottom:0; }
.page-content>.section.asset-section,.page-content>.section:has(.table-wrap),.page-content>.section:has(.comparison),.page-content>.section:has(.pros-cons),.page-content>.section:has(.fact-grid),.page-content>.section:has(.decision-tree),.page-content>.section:has(.flow),.page-content>.section:has(.check-grid),.page-content>.section:has(.timeline) { width:var(--wide); }
.section h2 { position:relative; margin:0 0 24px; padding-left:26px; color:var(--indigo-900); font-size:clamp(1.75rem,3.2vw,2.65rem); line-height:1.16; letter-spacing:-.025em; }
.section h2::before { content:counter(chapter,decimal-leading-zero); position:absolute; left:-58px; top:.18em; width:46px; color:#5369d8; font-size:.72rem; letter-spacing:.08em; }
.section h2::after { content:""; position:absolute; left:0; top:.1em; bottom:.08em; width:5px; border-radius:5px; background:linear-gradient(var(--accent),var(--teal)); }
.section h3 { margin:30px 0 12px; color:var(--indigo-800); font-size:1.26rem; line-height:1.32; }
.section p { margin:0 0 1.15em; }
.section ul,.section ol { padding-left:1.35em; }
.section li { margin:.55em 0; }
.lead-section { padding-top:clamp(32px,5vw,58px)!important; }
blockquote { margin:32px 0 0; padding:24px 26px; background:var(--teal-light); border-left:5px solid var(--teal); color:#17444a; }

.editorial-image { width:var(--wide); margin:clamp(16px,3vw,34px) auto clamp(28px,5vw,58px); border-radius:var(--radius); overflow:hidden; background:var(--indigo-950); box-shadow:var(--shadow); }
.editorial-image img { width:100%; max-height:650px; object-fit:cover; }
.editorial-image figcaption { padding:11px 16px 13px; background:#fff; color:var(--muted); font-size:.86rem; }

.fact-grid,.comparison,.pros-cons,.decision-tree,.flow { display:grid; gap:16px; margin:30px 0 0; }
.fact-grid { grid-template-columns:repeat(3,1fr); }
.comparison,.pros-cons { grid-template-columns:repeat(2,minmax(0,1fr)); }
.comparison { grid-template-columns:repeat(3,minmax(0,1fr)); }
.fact-grid article,.comparison>div,.pros-cons article,.decision-tree article,.flow article { padding:22px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); box-shadow:0 8px 22px rgba(23,37,83,.06); }
.fact-grid strong { display:block; margin-bottom:7px; color:var(--indigo-900); }
.fact-grid span { color:var(--muted); font-size:.94rem; line-height:1.55; }
.comparison h3,.pros-cons h3,.decision-tree h3 { margin:0 0 9px; }
.trust-band,.responsible,.verdict { position:relative; }
.trust-band::before,.verdict::before,.responsible::before { content:""; position:absolute; inset:26px -34px; z-index:-1; border-radius:12px; background:var(--surface); box-shadow:var(--shadow); }
.trust-band::before { background:var(--teal-light); }
.responsible::before { background:var(--amber-light); }

.table-wrap { max-width:1040px; margin:28px auto 0; overflow-x:auto; border:1px solid var(--line); border-radius:var(--radius); background:#fff; box-shadow:var(--shadow); }
table { width:100%; min-width:730px; border-collapse:collapse; font-size:.93rem; line-height:1.5; }
th,td { padding:16px 18px; text-align:left; vertical-align:top; border-bottom:1px solid #dbe1ec; }
th { background:var(--indigo-900); color:#fff; font-size:.82rem; letter-spacing:.02em; }
tbody tr:nth-child(even) { background:#f6f8fc; }
tbody tr:last-child td { border-bottom:0; }

.steps { margin:28px 0; padding:0!important; list-style:none; counter-reset:steps; }
.steps li { position:relative; min-height:52px; margin:0 0 14px; padding:13px 18px 13px 64px; background:#fff; border:1px solid var(--line); border-radius:8px; counter-increment:steps; }
.steps li::before { content:counter(steps,decimal-leading-zero); position:absolute; left:15px; top:12px; display:grid; place-items:center; width:36px; height:36px; border-radius:50%; background:var(--indigo-900); color:#fff; font-size:.76rem; font-weight:800; }
.decision-tree { grid-template-columns:repeat(4,1fr); }
.decision-tree span { display:grid; place-items:center; width:38px; height:38px; margin-bottom:14px; border-radius:50%; background:var(--teal); color:#fff; font-weight:800; }
.flow { grid-template-columns:repeat(3,1fr); }
.flow article span { display:block; margin-bottom:8px; color:var(--teal); font-weight:800; }
.check-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:12px 22px; margin:26px 0; padding:0!important; list-style:none; }
.check-grid li { position:relative; margin:0; padding:15px 17px 15px 48px; background:#fff; border:1px solid var(--line); border-radius:8px; }
.check-grid li::before { content:"✓"; position:absolute; left:16px; top:14px; color:var(--teal); font-weight:900; }
.timeline { position:relative; margin:30px 0!important; padding:0!important; list-style:none; }
.timeline::before { content:""; position:absolute; top:18px; bottom:18px; left:17px; width:2px; background:#aeb9cf; }
.timeline li { position:relative; display:grid; grid-template-columns:160px 1fr; gap:20px; margin:0 0 15px; padding:12px 18px 12px 50px; background:#fff; border:1px solid var(--line); border-radius:8px; }
.timeline li::before { content:""; position:absolute; left:11px; top:19px; width:14px; height:14px; border:4px solid #fff; border-radius:50%; background:var(--teal); box-shadow:0 0 0 2px var(--teal); }

.faq-section { width:var(--read); margin:clamp(32px,6vw,74px) auto 0; padding:clamp(36px,5vw,58px); background:var(--surface); border:1px solid var(--line); border-radius:12px; box-shadow:var(--shadow); }
.faq-section h2 { margin:0 0 22px; padding-left:0; }
.faq-section h2::before,.faq-section h2::after { display:none; }
.faq-section details { border-top:1px solid var(--line); }
.faq-section details:last-child { border-bottom:1px solid var(--line); }
.faq-section summary { min-height:58px; display:flex; align-items:center; justify-content:space-between; gap:20px; cursor:pointer; color:var(--indigo-900); font-weight:800; list-style:none; }
.faq-section summary::-webkit-details-marker { display:none; }
.faq-section summary::after { content:"+"; flex:0 0 auto; font-size:1.4rem; color:var(--teal); }
.faq-section details[open] summary::after { content:"−"; }
.faq-answer { padding:0 0 22px; color:#354255; }

.site-footer { background:var(--indigo-950); color:#dbe2f2; }
.site-footer__inner { width:var(--wide); margin:auto; display:grid; grid-template-columns:1.1fr .9fr; gap:70px; padding:64px 0 46px; }
.footer-identity strong { color:#fff; font-size:1.38rem; }
.footer-identity p { max-width:610px; margin:14px 0; }
.site-footer a { color:#91e4e2; }
.site-footer ul { columns:2; margin:0; padding:0; list-style:none; }
.site-footer li { break-inside:avoid; margin:0 0 12px; }
.site-footer__base { width:var(--wide); margin:auto; display:flex; justify-content:space-between; gap:20px; padding:18px 0 30px; border-top:1px solid rgba(255,255,255,.14); color:#aeb9cf; font-size:.84rem; }

@media (max-width:1099px) {
  .site-header__inner { min-height:74px; }
  .menu-toggle { display:block; }
  .primary-nav { position:absolute; top:100%; left:0; right:0; display:none; max-height:calc(100vh - 74px); overflow:auto; background:var(--indigo-950); border-top:1px solid rgba(255,255,255,.14); box-shadow:0 18px 32px rgba(0,0,0,.28); }
  .primary-nav.is-open { display:block; }
  .nav-list { width:var(--wide); margin:auto; display:grid; grid-template-columns:repeat(2,1fr); gap:0 18px; padding:16px 0 26px; }
  .nav-list a { min-height:52px; border-bottom:1px solid rgba(255,255,255,.12); }
  .home-cover__inner { grid-template-columns:1fr; }
  .home-cover__copy { max-width:780px; }
  .home-cover__media { width:100%; max-height:560px; }
}

@media (max-width:839px) {
  body { font-size:16px; }
  .home-cover__inner { padding-top:44px; gap:34px; }
  .home-cover h1,.article-header h1 { font-size:clamp(2.05rem,10vw,3.3rem); }
  .page-content>.section { padding:44px 0; }
  .section h2::before { position:static; display:block; width:auto; margin-bottom:8px; }
  .fact-grid,.comparison,.pros-cons,.decision-tree,.flow,.check-grid { grid-template-columns:1fr; }
  .trust-band::before,.verdict::before,.responsible::before { inset:22px -16px; }
  .timeline li { grid-template-columns:1fr; gap:3px; }
  .site-footer__inner { grid-template-columns:1fr; gap:34px; padding-top:50px; }
  .site-footer ul { columns:1; }
}

@media (max-width:599px) {
  :root { --wide:calc(100% - 32px); }
  .custom-logo { width:180px; max-height:50px; }
  .nav-list { grid-template-columns:1fr; }
  .home-cover__inner { padding-bottom:58px; }
  .home-cover__media { aspect-ratio:4/3; }
  .home-cover__media img { object-position:67% center; }
  .cover-actions { display:grid; }
  .button { width:100%; }
  .article-header { padding-left:16px; padding-right:16px; }
  .editorial-image { border-radius:0; }
  .editorial-image img { aspect-ratio:4/3; object-fit:cover; }
  .faq-section { padding:28px 18px; }
  .site-footer__base { flex-direction:column; }
}

@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { scroll-behavior:auto!important; transition:none!important; animation:none!important; }
}
