:root{color-scheme:light;--ink:#183254;--muted:#526987;--blue:#2860cd;--blue-dark:#16469f;--mist:#f3f7fe;--soft:#e4efff;--lavender:#eee4fb;--line:#cbdaf0;--gold:#ffc951;--paper:#fff;--shadow:0 16px 40px rgba(23,55,102,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(160deg,#f1f6ff 0%,#fafcff 38%,#f4f7fd 100%);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.64}a{color:var(--blue-dark)}a:hover{color:#0d367e}button{font:inherit}img{max-width:100%}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2rem,4vw,3.5rem);line-height:1.12;letter-spacing:-.04em}h2{font-size:clamp(1.55rem,3vw,2.15rem);line-height:1.2;letter-spacing:-.025em}h3{font-size:1.1rem;line-height:1.3}p,li{max-width:68ch}.eyebrow{font-size:.78rem;text-transform:uppercase;letter-spacing:.15em;font-weight:800;color:var(--blue)}.app-shell{display:grid;grid-template-columns:252px minmax(0,1fr);min-height:100vh;max-width:1500px;margin:auto}.rail{position:sticky;top:0;align-self:start;height:100vh;overflow:auto;padding:26px 18px;background:#fff;border-right:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;padding:6px 8px 24px;text-decoration:none;color:var(--ink)}.brand img{width:47px;height:47px;border-radius:13px;box-shadow:0 6px 12px #225dcc25}.brand b{font-size:1.12rem;line-height:1.1}.brand span{display:block;color:var(--muted);font-size:.77rem}.rail-title{margin:17px 12px 8px;color:var(--muted);font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;font-weight:800}.rail nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;color:#415a7a;text-decoration:none;font-weight:650;font-size:.91rem;line-height:1.2}.rail nav a:hover,.rail nav a.active{color:var(--blue-dark);background:#e7efff}.nav-dot{width:8px;height:8px;flex:none;border-radius:50%;background:#9fc0ef}.rail nav a.active .nav-dot{background:var(--blue)}.rail-note{font-size:.78rem;color:var(--muted);background:var(--mist);border-radius:14px;padding:12px;margin:22px 6px}.content{padding:34px clamp(20px,4.8vw,80px) 70px;min-width:0}.topline{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:17px}.topline small{color:var(--muted)}.topline a{font-weight:750;text-decoration:none}.hero{position:relative;overflow:hidden;border:1px solid #bed2f3;border-radius:32px;background:linear-gradient(122deg,#e2efff 0%,#f9fcff 58%,#d6eaff 100%);padding:clamp(24px,4vw,50px);box-shadow:var(--shadow);display:grid;grid-template-columns:minmax(0,1.2fr) minmax(210px,.8fr);gap:28px;align-items:center}.hero:after{content:"";position:absolute;right:-90px;bottom:-130px;width:370px;height:370px;border-radius:50%;background:#87baff33}.hero p{font-size:1.08rem;color:#445d7e}.hero .lead{max-width:51ch}.hero-art{z-index:1;display:grid;place-items:center}.hero-art .icon-box{width:clamp(180px,22vw,270px);padding:28px;border-radius:40px;background:linear-gradient(150deg,#76c9ff,#2366de 58%,#194ac1);box-shadow:0 25px 50px #1c57ad38;transform:rotate(-7deg)}.hero-art img{display:block;width:100%;border-radius:26px;box-shadow:0 9px 24px #12337355}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0}.pill,.pill-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:43px;padding:9px 16px;border-radius:12px;font-weight:750;text-decoration:none}.pill{background:var(--blue);color:white}.pill:hover{color:white;background:var(--blue-dark)}.pill-ghost{background:#fff9;color:var(--blue-dark);border:1px solid #afcaef}.quick{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin:20px 0 42px}.quick a{display:block;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:15px 18px;text-decoration:none;box-shadow:0 5px 13px #214a8609}.quick b{display:block;color:var(--ink);font-size:.98rem}.quick span{display:block;color:var(--muted);font-size:.83rem}.section{scroll-margin-top:24px;margin:0 0 34px;border:1px solid var(--line);border-radius:26px;background:#fff;padding:clamp(22px,3vw,38px);box-shadow:var(--shadow)}.section-head{display:flex;align-items:center;gap:14px;margin-bottom:8px}.section-head h2{margin:0}.chapter-no{display:inline-grid;place-items:center;width:37px;height:37px;border-radius:11px;background:var(--soft);color:var(--blue);font-weight:800;flex:none}.section-intro{color:var(--muted);max-width:73ch;margin-bottom:23px}.split{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(225px,.78fr);align-items:start;gap:clamp(20px,3vw,45px)}.prose h3{margin:22px 0 8px}.prose h3:first-child{margin-top:0}.prose p{margin-bottom:12px}.steps{counter-reset:step;padding:0;margin:0;list-style:none}.steps li{counter-increment:step;position:relative;min-height:32px;margin:0 0 15px;padding-left:38px}.steps li:before{content:counter(step);position:absolute;left:0;top:2px;display:grid;place-items:center;width:27px;height:27px;border-radius:9px;background:#e4efff;color:var(--blue-dark);font-size:.85rem;font-weight:800}.detail-list{padding-left:20px;margin-bottom:16px}.detail-list li{margin:0 0 8px}.callout{padding:14px 16px;margin:16px 0;border-left:4px solid var(--blue);border-radius:0 13px 13px 0;background:#eff5ff;color:#304e77}.callout.warn{border-color:#d49412;background:#fff7de}.callout.danger{border-color:#bb3e3e;background:#fff0ef}.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0}.feature-grid>div{padding:14px;border:1px solid #d5e2f3;border-radius:16px;background:var(--mist)}.feature-grid b{display:block;color:var(--blue-dark)}.feature-grid span{font-size:.88rem;color:var(--muted)}.shot{margin:0;text-align:center}.shot>button{display:block;width:100%;padding:8px;border:1px solid #d1e0f4;border-radius:22px;background:linear-gradient(150deg,#edf4ff,#fbfdff);cursor:zoom-in;transition:transform .16s,box-shadow .16s}.shot>button:hover{transform:translateY(-3px);box-shadow:0 13px 28px #1b4c9824}.shot img{display:block;width:auto;max-width:100%;max-height:480px;margin:auto;border-radius:16px;box-shadow:0 7px 23px #0e2b5f24}.shot figcaption{color:#607592;font-size:.83rem;line-height:1.45;margin:9px auto 0;max-width:33ch}.shot-caption-note{display:block;color:#8b5a16}.inline-shots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px}.inline-shots .shot img{max-height:360px}.mini-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.92rem}.mini-table td,.mini-table th{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}.mini-table th{color:var(--blue-dark);background:var(--mist)}.mini-table tr:last-child td{border-bottom:0}.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.gallery .shot img{max-height:240px}.gallery .shot figcaption{font-size:.78rem}.footer{color:var(--muted);text-align:center;font-size:.83rem;padding:20px}.footer a{font-weight:700}.privacy-body .section{max-width:1000px}.privacy-body .section h2{font-size:1.45rem;margin-top:0}.privacy-body .section ul{padding-left:22px}.privacy-body .section li{margin-bottom:8px}.privacy-body .hero{max-width:1000px;margin-bottom:27px;display:block}.privacy-body .hero h1{font-size:clamp(1.9rem,3.8vw,3rem)}.privacy-body .hero p{max-width:75ch}.privacy-body .hero .eyebrow{font-size:.78rem}.privacy-body .meta{font-size:.83rem;color:var(--muted)}.lightbox{max-width:min(94vw,760px);max-height:92vh;border:0;border-radius:22px;padding:14px;background:#fff;box-shadow:0 25px 80px #06163199}.lightbox::backdrop{background:#0b1b39cf}.lightbox .bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 4px 9px}.lightbox .bar b{font-size:.93rem}.lightbox .bar button{border:0;background:#e9f0fb;border-radius:9px;padding:3px 10px;cursor:pointer;font-size:1.25rem}.lightbox img{display:block;max-width:100%;max-height:calc(92vh - 75px);margin:auto;object-fit:contain}.skip{position:absolute;left:-9999px;top:auto}.skip:focus{left:10px;top:10px;z-index:99;padding:8px;background:#fff}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:focus-visible{outline:3px solid #eaaa2e;outline-offset:3px}
@media(max-width:1060px){.app-shell{grid-template-columns:206px minmax(0,1fr)}.rail{padding-left:10px;padding-right:10px}.content{padding:26px}.split{grid-template-columns:minmax(0,1fr) minmax(180px,.65fr)}.gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:740px){.app-shell{display:block}.rail{height:auto;position:relative;overflow:visible;padding:12px 16px;border-right:0;border-bottom:1px solid var(--line)}.brand{padding:2px 2px 10px}.rail-title,.rail-note{display:none}.rail nav{display:flex;gap:4px;overflow-x:auto;scrollbar-width:thin;white-space:nowrap}.rail nav a{padding:8px 11px;font-size:.83rem}.rail nav a .nav-dot{display:none}.content{padding:19px 14px 50px}.hero{grid-template-columns:1fr;padding:25px}.hero-art{display:none}.quick{grid-template-columns:1fr 1fr;margin-bottom:25px}.split{grid-template-columns:1fr}.shot{max-width:430px;margin:0 auto}.section{border-radius:21px;margin-bottom:20px;padding:22px 17px}.feature-grid{grid-template-columns:1fr 1fr}.topline{font-size:.84rem}.gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.quick,.feature-grid,.inline-shots{grid-template-columns:1fr}.gallery{grid-template-columns:repeat(2,1fr)}.gallery .shot img{max-height:200px}.hero-actions{display:grid;grid-template-columns:1fr}.mini-table{font-size:.82rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.shot>button{transition:none}}

/* Multilingual desktop guide */
.topline{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px}
.topline>a{justify-self:end}
.language-picker{display:flex;align-items:center;gap:8px;padding:6px 8px 6px 12px;border:1px solid #b9cdeb;border-radius:14px;background:#fff;box-shadow:0 5px 16px #1f4b8c12}
.language-picker span{font-size:.72rem;font-weight:850;letter-spacing:.12em;color:var(--blue-dark)}
.language-picker select{min-height:36px;border:0;border-radius:9px;background:#eef4ff;color:var(--ink);font:inherit;font-weight:700;padding:5px 28px 5px 9px;cursor:pointer}
.language-picker select:focus-visible{outline:3px solid #eaaa2e;outline-offset:2px}
@media(max-width:740px){.topline{grid-template-columns:1fr auto}.topline small{display:none}.topline>a{grid-column:1/-1;justify-self:start}.language-picker{justify-self:end}.rail nav{padding-bottom:4px}}
@media(max-width:460px){.topline{grid-template-columns:1fr}.language-picker{justify-self:stretch}.language-picker select{width:100%}.topline>a{grid-column:auto}}