@font-face{font-family:Geist;src:url('../assets/fonts/Geist-Variable.woff2') format('woff2');font-style:normal;font-weight:100 900;font-display:swap}
:root{color-scheme:light dark;--bg:#f3f7fc;--fg:#15263f;--muted:#566a85;--card:#fff;--line:#d6e2f1;--accent:#1763d1;--soft:#e8f1ff;--shadow:0 14px 40px #1c4b8610}
*{box-sizing:border-box}body{margin:0;color:var(--fg);background:var(--bg);font:16px/1.75 Geist,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;background-image:radial-gradient(ellipse at 70% 0,#dbeaff80,transparent 48%)}a{color:var(--accent);text-underline-offset:4px}a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}header,main,footer{max-width:1200px;margin:auto;padding:24px 32px}header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-bottom:1px solid var(--line)}header>a{font-size:21px;font-weight:750;letter-spacing:-.04em}header a{text-decoration:none}header nav{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:14px}header nav a{display:inline-flex;align-items:center;min-height:44px}.skip{position:absolute;left:16px;top:-100px;z-index:5}.skip:focus{top:12px;background:var(--card);padding:10px 16px;border-radius:10px}.language-nav{display:flex;gap:8px;flex-wrap:nowrap;overflow-x:auto;overscroll-behavior-x:contain;padding:4px 0 20px;border-bottom:1px solid var(--line);scrollbar-width:thin}.language-nav a{flex:none;display:flex;align-items:center;min-height:44px;padding:8px 14px;border:1px solid transparent;border-radius:10px;text-decoration:none;color:var(--muted);font-size:13px}.language-nav a:hover{background:var(--soft);color:var(--accent)}.language-nav a[aria-current]{color:var(--accent);background:var(--card);border-color:var(--line);font-weight:650;box-shadow:0 3px 10px #244a7c08}.intro{max-width:900px;padding:42px 0 24px}.eyebrow{color:var(--accent);font-size:12px;font-weight:650;letter-spacing:.08em}h1{font-size:clamp(32px,4.8vw,58px);line-height:1.15;letter-spacing:-.04em;margin:16px 0 24px}h2{font-size:25px;line-height:1.35;letter-spacing:-.025em;margin:0 0 16px}h3{font-size:18px}p{margin:0 0 16px}.lead{font-size:20px;line-height:1.65;color:var(--muted);max-width:780px}.status{font-size:13px;color:var(--muted)}.intro>p:not(.lead):not(.eyebrow){max-width:760px}.cta{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 20px;border-radius:12px;background:var(--accent);color:#fff;text-decoration:none;font-weight:600;box-shadow:0 5px 16px #1763d125}.cta:hover{filter:brightness(1.08)}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid>section{margin:12px 0}.card{padding:28px;background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.card p:last-child{margin-bottom:0}section{margin:36px 0}ol{padding-left:24px}li{padding-left:8px;margin:14px 0}dl{margin:0}dt{font-weight:650;margin-top:20px}dd{margin:8px 0 0;color:var(--muted)}h1,p,li,dd{overflow-wrap:anywhere}.guide-screens{margin:28px 0 40px;padding:24px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(145deg,var(--card),var(--soft));box-shadow:var(--shadow)}.screen-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,.32fr);gap:28px;align-items:center}.screen-item{min-width:0}.device-label{display:block;color:var(--muted);font-size:12px;font-weight:650;letter-spacing:.05em;margin:0 0 12px}.screen-item picture{display:block}.screen-item img{display:block;width:100%;height:auto;border:1px solid var(--line);background:var(--card);box-shadow:0 12px 30px #183d7515}.screen-item.mac img{border-radius:12px}.screen-item.phone{max-width:260px;justify-self:center}.screen-item.phone img{border-radius:24px}.guide-screens figcaption{margin-top:20px;color:var(--muted);font-size:12px}.related{display:flex;flex-wrap:wrap;gap:8px 12px}.related a{display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;border:1px solid var(--line);border-radius:10px;background:var(--card);text-decoration:none;font-size:14px}.related a:hover{background:var(--soft)}footer{border-top:1px solid var(--line);font-size:13px;color:var(--muted)}footer a{display:inline-flex;align-items:center;min-height:44px}
@media(prefers-color-scheme:dark){:root{--bg:#0d1728;--fg:#e9f1ff;--muted:#a9bad2;--card:#15233a;--line:#2a3e5d;--accent:#8ab9ff;--soft:#192f50;--shadow:0 14px 40px #0002}body{background-image:radial-gradient(ellipse at 70% 0,#244c792c,transparent 48%)}.cta{background:#397de0;color:#fff}.screen-item img{box-shadow:0 12px 30px #0004}}
@media(max-width:640px){header,main,footer{padding:16px}header{gap:8px 16px}header nav{gap:8px 16px;font-size:13px}.intro{padding:28px 0 16px}h1{font-size:32px;margin-bottom:20px}.lead{font-size:17px}.grid{grid-template-columns:1fr;gap:12px}.grid>section{margin:0}.card{padding:20px;border-radius:16px}section{margin:28px 0}h2{font-size:23px}.guide-screens{padding:16px;margin:24px 0 28px}.screen-grid{grid-template-columns:1fr;gap:24px}.screen-item.phone{width:min(82%,260px);max-width:none}.screen-item.phone img{border-radius:22px}.device-label{margin-bottom:10px}.guide-screens figcaption{margin-top:16px}.language-nav{margin-right:-16px;padding-right:16px}.related{gap:8px}.related a{font-size:13px}}

/* Clear hierarchy: quiet navigation, editorial introduction, blue summary and media. */
:root{--bg:#f5f8fd;--card:#fff;--fg:#162842;--muted:#60718a;--line:#dce5f1;--accent:#245fbd;--soft:#eaf2ff;--hero:#edf4ff;--media:#e3edfc;--heading:#102d55}
body{background-image:radial-gradient(ellipse at 85% 0,#dceaff90,transparent 38%)}
header{max-width:1280px;padding-block:16px;border-bottom:0}
header nav{align-items:center}
.theme-toggle{font:inherit;color:var(--muted);min-height:44px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:var(--card);cursor:pointer}
.theme-toggle:hover{color:var(--accent);border-color:var(--accent)}
.theme-toggle:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
main,footer{max-width:1280px}
.language-nav{padding-top:0;padding-bottom:16px}
.guide-hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.8fr);gap:clamp(32px,5vw,72px);align-items:center;padding-block:40px 32px}
.intro{padding:0;max-width:none}
h1{font-size:clamp(32px,3.8vw,54px);color:var(--heading);margin:14px 0 22px;max-width:16em}
.eyebrow{font-size:11px;letter-spacing:.1em;margin-bottom:0}
.lead{font-size:19px;line-height:1.7;margin-bottom:24px;max-width:36em}
.status{font-size:12px;margin-bottom:12px}
.app-note{font-size:13px;line-height:1.7;color:var(--muted);padding-left:12px;border-left:2px solid var(--line);margin-bottom:22px}
.guide-summary{display:block;padding:8px 24px;background:var(--hero);border:1px solid var(--line);border-radius:20px;box-shadow:none}
.guide-summary>.card{padding:22px 0;margin:0;border:0;border-radius:0;background:none;box-shadow:none}
.guide-summary>.card+ .card{border-top:1px solid var(--line)}
.guide-summary h2{font-size:12px;font-weight:650;color:var(--accent);letter-spacing:.04em;margin-bottom:12px}
.guide-summary p{font-size:16px;line-height:1.8}
.guide-screens{margin:0 0 44px;background:var(--media);padding:28px;border:1px solid var(--line);box-shadow:none}
.device-label{font-size:11px;letter-spacing:.08em;color:var(--muted)}
.guide-body{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.8fr);gap:28px 56px;align-items:start}
.guide-body section{margin:0}
.guide-body h2{font-size:22px;color:var(--heading)}
.guide-steps{grid-column:1;grid-row:1}
.guide-steps ol{list-style:none;counter-reset:guide-step;margin:0;padding:0}
.guide-steps li{counter-increment:guide-step;display:grid;grid-template-columns:32px minmax(0,1fr);gap:14px;padding:18px 0;margin:0;border-bottom:1px solid var(--line)}
.guide-steps li::before{content:counter(guide-step,decimal-leading-zero);font-size:12px;color:var(--accent);padding-top:3px}
.guide-caution{grid-column:2;grid-row:1 / span 2;padding:24px;background:var(--hero);box-shadow:none;border-left:3px solid var(--accent);border-radius:0 14px 14px 0}
.guide-caution p{font-size:14px;line-height:1.9;color:var(--muted)}
.guide-faq{grid-column:1;grid-row:2}
.guide-faq dt{font-size:15px}
.guide-faq dd{font-size:14px;line-height:1.9}
.guide-related{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.guide-related h2{font-size:18px;color:var(--heading)}
.related a{font-size:13px;border-color:transparent;background:var(--hero)}
footer{margin-top:24px;padding-block:20px;font-size:12px}
:root[data-theme="dark"]{color-scheme:dark;--bg:#0e192b;--fg:#dce8f9;--muted:#a0b2cb;--card:#15243a;--line:#2a3c55;--accent:#94bdff;--soft:#1b3150;--hero:#152840;--media:#132338;--heading:#eef5ff}
:root[data-theme="light"]{color-scheme:light;--bg:#f5f8fd;--card:#fff;--fg:#162842;--muted:#60718a;--line:#dce5f1;--accent:#245fbd;--soft:#eaf2ff;--hero:#edf4ff;--media:#e3edfc;--heading:#102d55}
:root[data-theme="light"] body{background-image:radial-gradient(ellipse at 85% 0,#dceaff90,transparent 38%)}
:root[data-theme="light"] .cta{background:#245fbd;color:#fff}
:root[data-theme="dark"] body{background-image:radial-gradient(ellipse at 85% 0,#1f41652c,transparent 38%)}
:root[data-theme="dark"] .cta{background:#3778d8;color:#fff}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0e192b;--fg:#dce8f9;--muted:#a0b2cb;--card:#15243a;--line:#2a3c55;--accent:#94bdff;--soft:#1b3150;--hero:#152840;--media:#132338;--heading:#eef5ff}}
@media(max-width:850px){.guide-hero{grid-template-columns:1fr;gap:24px;padding-block:28px}.guide-summary{display:grid;grid-template-columns:1fr 1fr;gap:24px}.guide-summary>.card+ .card{border-top:0}.guide-body{grid-template-columns:1fr;gap:28px}.guide-steps,.guide-caution,.guide-faq{grid-column:1;grid-row:auto}}
@media(max-width:640px){header{padding-block:12px;gap:4px 12px}header nav{gap:4px 12px;font-size:12px}.theme-toggle{font-size:12px;padding:8px 12px}main{padding-top:8px}.guide-hero{padding-block:24px;gap:20px}h1{font-size:31px;line-height:1.2;margin:12px 0 16px}.lead{font-size:16px;margin-bottom:18px}.app-note{font-size:12px}.guide-summary{padding:0 16px;gap:16px}.guide-summary>.card{padding-block:18px}.guide-summary p{font-size:14px}.guide-screens{padding:16px;margin-bottom:28px;border-radius:16px}.guide-body{gap:24px}.guide-body h2{font-size:21px}.guide-caution{padding:20px}.guide-steps li{gap:10px;font-size:15px;padding-block:14px}.guide-related{margin-top:28px;padding-top:24px}.language-nav a{padding-inline:12px}.screen-item.phone{width:min(86%,260px)}}
@media(max-width:360px){.guide-summary{grid-template-columns:1fr;gap:0}.guide-summary>.card+ .card{border-top:1px solid var(--line)}header nav{gap:4px 10px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) body{background-image:radial-gradient(ellipse at 85% 0,#1f41652c,transparent 38%)}}

/* The same generated device shell used by the homepage. */
.screen-item.phone picture{position:relative;padding:7.04% 6.46% 6.7%;isolation:isolate}
.screen-item.phone picture::after{content:"";position:absolute;inset:0;pointer-events:none;background:url("../assets/devices/iphone17-frame.png") center / 100% 100% no-repeat}
.screen-item.phone picture img{border:0;border-radius:12% / 5.5%;box-shadow:none;background:#000}

.guide-brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;color:var(--fg);line-height:1;flex:none}
.guide-logo{display:block;flex:none;width:32px;height:30px;background:linear-gradient(140deg,var(--heading),var(--accent));-webkit-mask:url('../assets/logo.png') center/contain no-repeat;mask:url('../assets/logo.png') center/contain no-repeat}
@media(max-width:640px){.guide-brand{gap:8px}.guide-logo{width:28px;height:27px}}