:root{--bg:#0b1116;--panel:#171f25;--panel2:#1d272e;--line:#2b3740;--text:#f4f7f9;--muted:#aeb8bf;--blue:#16b8ec;--max:1080px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}.shell{width:min(var(--max),calc(100% - 40px));margin:auto}.site-header{border-bottom:1px solid #202a31;background:#080d11}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;flex-direction:column;color:var(--blue);font-size:10px;font-weight:800;letter-spacing:2px}.brand-mia{font-size:34px;line-height:.8;color:white;letter-spacing:-2px}.top-nav{display:flex;align-items:center;gap:20px;font-size:13px}.lang{border:1px solid #26333c;border-radius:10px;padding:8px 11px}.lang.active{border-color:var(--blue)}.eyebrow,.content-badge{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:2px}.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:80px;padding:70px 0 40px}.hero h1,.library-hero h1,.content-shell h1,.article-header h1{font-size:48px;line-height:1.06;margin:14px 0}.hero p,.library-hero p,.article-header p{color:var(--muted);font-size:18px}.hero-search,.library-search{display:flex;background:white;border-radius:14px;padding:5px;margin-top:25px;max-width:580px}.hero-search input,.library-search input{border:0;outline:0;padding:14px 16px;flex:1;font-size:15px}.hero-search button,.library-search button{border:0;border-radius:10px;background:var(--blue);font-weight:800;padding:0 26px}.search-examples{font-size:13px;color:#89979f;margin:10px 2px 18px}.search-examples a{color:var(--blue)}.hero-actions{display:grid;gap:12px}.action-card{display:grid;grid-template-columns:34px 1fr auto;gap:14px;align-items:center;border-radius:14px;padding:14px 18px}.action-card.light{background:white;color:#10161a}.action-card.blue{background:var(--blue);color:white}.action-card small{display:block;opacity:.72}.hero-visual{text-align:center}.hero-visual img{width:250px;max-height:470px;object-fit:contain;border-radius:32px;box-shadow:0 20px 60px #0008}.account-note,.dealer-card{display:flex;gap:20px;align-items:center;background:linear-gradient(135deg,var(--panel),#131b20);border:1px solid var(--line);border-radius:16px;padding:22px 28px}.account-note p{margin:0}.account-note a,.text-link{color:var(--blue);font-weight:800}.note-icon{border:2px solid var(--blue);color:var(--blue);width:30px;height:30px;border-radius:50%;display:grid;place-items:center}.topic-section{padding:60px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:22px}.section-heading h2{font-size:30px;margin:8px 0 0}.section-heading>a{color:var(--blue)}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.topic-card{position:relative;min-height:170px;padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:16px}.topic-card:hover{border-color:var(--blue);transform:translateY(-2px)}.topic-card strong{display:block;font-size:18px;margin-top:22px}.topic-card p{color:var(--muted);margin:5px 0}.topic-icon{color:var(--blue)}.arrow{position:absolute;right:20px;bottom:18px}.dealer-card{margin:30px auto 70px}.dealer-device img{width:90px;border-radius:14px}.dealer-card h2{font-size:28px;margin:8px 0}.site-footer{border-top:1px solid #202a31;padding:35px 0 18px;background:#080d11}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-grid div{padding-right:18px;border-right:1px solid #263139}.footer-grid strong,.footer-grid span{display:block}.footer-grid span{color:var(--muted);font-size:13px;margin-top:6px}.copyright{border-top:1px solid #202a31;margin-top:25px;padding-top:18px;color:#89949b;font-size:12px}.library-hero,.content-shell{padding:70px 0 30px}.popular-section{padding:10px 0 80px}.popular-section h2{font-size:25px}.compact-links,.az-list{display:grid;border-top:1px solid var(--line)}.compact-links a,.az-list a{display:flex;justify-content:space-between;align-items:center;min-height:56px;padding:11px 14px;border-bottom:1px solid var(--line);background:#11191e}.compact-links a:hover,.az-list a:hover{background:var(--panel)}.az-toggle{margin-top:25px;border:1px solid var(--blue);background:transparent;color:var(--blue);padding:12px 18px;border-radius:10px;font-weight:800}.az-library{padding:0 0 80px}.az-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}.az-nav a{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line);border-radius:8px}.az-group{display:grid;grid-template-columns:70px 1fr;gap:20px;margin:26px 0}.az-group h2{color:var(--blue);margin:5px 0}.result-list{display:grid;gap:12px;margin-top:28px}.result-card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px 50px 20px 22px}.result-card h2{margin:6px 0;font-size:21px}.result-card p{color:var(--muted);margin:0}.result-card>b{position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--blue)}.result-type{color:var(--blue);font-size:12px;font-weight:800;text-transform:uppercase}.help-article{padding:35px 0 80px}.breadcrumbs{font-size:13px;color:#8f9da5;display:flex;gap:9px;flex-wrap:wrap}.article-header{max-width:800px;padding:35px 0}.help-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);gap:28px;align-items:start}.video-shell{position:relative}.video-frame{aspect-ratio:16/9;background:#000;border-radius:16px;overflow:hidden}.video-frame iframe,.video-frame video{width:100%;height:100%;border:0}.orientation-tip{display:none;position:absolute;z-index:5;left:12px;right:12px;bottom:12px;background:#071015e8;border:1px solid var(--blue);border-radius:10px;padding:11px 13px;font-size:13px}.orientation-tip.show{display:block}.steps-panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;position:sticky;top:20px}.steps-panel ol{padding-left:22px}.steps-panel li{margin:11px 0}.mini-panel,.important-box{padding:15px;border-radius:11px;background:#11191e;margin-bottom:18px}.important-box{border-left:3px solid var(--blue)}.article-content{font-size:17px;margin-top:28px}.article-content a{color:var(--blue)}.related-section{margin-top:55px}.faq-accordion{display:grid;gap:10px}.faq-accordion details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:0 18px}.faq-accordion summary{cursor:pointer;padding:17px 0;font-weight:800}.faq-accordion details div{padding:0 0 18px;color:#d5dde2}.faq-accordion a{color:var(--blue);font-weight:800}.empty-state{padding:30px;background:var(--panel);border-radius:14px}.screen-reader-text{position:absolute;left:-9999px}
@media(max-width:800px){.top-nav a{display:none}.top-nav{gap:7px}.lang{font-size:11px;padding:6px}.hero{grid-template-columns:1fr;gap:30px;padding-top:45px}.hero h1,.library-hero h1,.content-shell h1,.article-header h1{font-size:36px}.hero-visual{display:none}.topic-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.help-layout{grid-template-columns:1fr}.steps-panel{position:static}.az-group{grid-template-columns:45px 1fr}}
@media(max-width:560px){.shell{width:min(100% - 24px,var(--max))}.header-inner{height:64px}.brand-mia{font-size:29px}.lang:not(.active){display:none}.hero{padding-top:32px}.hero h1,.library-hero h1,.content-shell h1,.article-header h1{font-size:32px}.hero-search,.library-search{border-radius:11px}.hero-search button,.library-search button{padding:0 15px}.topic-grid{grid-template-columns:1fr}.topic-card{min-height:130px}.footer-grid{grid-template-columns:1fr}.footer-grid div{border-right:0;border-bottom:1px solid #263139;padding-bottom:14px}.dealer-card{align-items:flex-start}.dealer-device{display:none}.account-note{align-items:flex-start}.video-frame{border-radius:10px}.orientation-tip{font-size:12px}.az-group{display:block}.az-group h2{margin-top:30px}}
@media(max-width:767px) and (orientation:landscape){.video-shell:fullscreen .video-frame,.video-frame{max-height:100vh}.video-frame iframe,.video-frame video{object-fit:contain}}

/* 1.0 Beta 2: navigation and article layout corrections */
.flag{display:inline-block;width:16px;height:11px;margin-right:6px;border-radius:2px;vertical-align:-1px;box-shadow:inset 0 0 0 1px #ffffff24;background-size:100% 100%}
.flag-de{background:linear-gradient(#111 0 33.333%,#d00 33.333% 66.666%,#fc0 66.666%)}
.flag-fr{background:linear-gradient(90deg,#183a8f 0 33.333%,#fff 33.333% 66.666%,#e32636 66.666%)}
.flag-it{background:linear-gradient(90deg,#159447 0 33.333%,#fff 33.333% 66.666%,#d9272e 66.666%)}
.flag-en{position:relative;background:#17366e;overflow:hidden}
.flag-en:before,.flag-en:after{content:"";position:absolute;left:0;top:50%;width:100%;height:2px;background:#fff;transform-origin:center}
.flag-en:before{transform:translateY(-50%) rotate(32deg)}
.flag-en:after{transform:translateY(-50%) rotate(-32deg)}
.lang{display:inline-flex;align-items:center;white-space:nowrap}
.article-meta{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.article-meta span{border:1px solid var(--line);background:#11191e;color:var(--muted);border-radius:999px;padding:6px 10px;font-size:12px}
.help-layout--single{grid-template-columns:minmax(0,1fr)}
.help-layout--single .help-main{max-width:920px}
.help-layout--single .video-frame{width:100%}
.editor-notice{border:1px dashed var(--blue);background:#10202a;color:#dcecf3;border-radius:12px;padding:16px 18px}
.editor-notice--content{margin-top:34px}
.steps-panel:empty{display:none}
@media(max-width:800px){.flag{margin-right:4px}}
.flag-image{display:block;width:18px;height:12px;object-fit:cover;border-radius:2px;box-shadow:inset 0 0 0 1px #ffffff24;flex:0 0 auto}.lang{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}.topic-card[href]{cursor:pointer}.topic-card:focus-visible,.action-card:focus-visible{outline:3px solid #fff;outline-offset:3px}


/* 1.0 Beta 4: restore original visual quality and use asset-independent language flags */
.header-inner{min-height:92px;height:auto;gap:30px}
.brand{display:flex;flex-direction:column;line-height:.8;margin-right:auto;color:inherit;font-size:inherit;letter-spacing:normal}
.brand-word{font-size:47px;font-weight:800;letter-spacing:-5px;color:#fff}
.brand-word span{color:var(--blue)}
.brand small{font-size:12px;letter-spacing:3px;color:var(--blue);font-weight:800;margin-top:10px}
.top-nav{gap:16px}
.lang{min-height:42px;padding:9px 12px;border-radius:12px;color:var(--muted)}
.lang.active{background:rgba(18,185,239,.15);color:#fff}
.flag-image{display:none!important}
.flag{display:inline-block;width:18px;height:12px;margin:0;border-radius:2px;vertical-align:middle;box-shadow:inset 0 0 0 1px #ffffff2b;flex:0 0 auto;background-size:100% 100%}
.flag-de{background:linear-gradient(#111 0 33.333%,#d00 33.333% 66.666%,#fc0 66.666%)}
.flag-fr{background:linear-gradient(90deg,#183a8f 0 33.333%,#fff 33.333% 66.666%,#e32636 66.666%)}
.flag-it{background:linear-gradient(90deg,#159447 0 33.333%,#fff 33.333% 66.666%,#d9272e 66.666%)}
.flag-en{position:relative;background:#17366e;overflow:hidden}
.flag-en:before,.flag-en:after{content:"";position:absolute;left:-2px;top:50%;width:22px;height:2px;background:#fff;transform-origin:center}
.flag-en:before{transform:translateY(-50%) rotate(32deg)}
.flag-en:after{transform:translateY(-50%) rotate(-32deg)}
.hero{grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;padding:72px 0 46px}
.hero h1{font-size:clamp(42px,5vw,72px);line-height:1.02;letter-spacing:-2.5px;margin:0 0 22px}
.hero-copy>p{font-size:20px;max-width:620px}
.hero-visual{max-width:410px;width:100%;justify-self:center;position:relative;text-align:initial}
.hero-visual:after{content:"";position:absolute;inset:10% -10% -8% 10%;background:linear-gradient(145deg,rgba(18,185,239,.22),transparent 65%);filter:blur(40px);z-index:-1}
.hero-visual img{width:100%;max-height:610px;object-fit:cover;object-position:top;border-radius:34px;box-shadow:0 36px 90px rgba(0,0,0,.5)}
.hero-search{max-width:650px;border-radius:18px;padding:6px;margin:32px 0 10px}
.hero-actions{max-width:650px;gap:14px}
.action-card{grid-template-columns:48px 1fr auto;gap:16px;padding:18px 20px;border-radius:18px;box-shadow:0 14px 28px rgba(0,0,0,.2)}
.action-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:13px;background:#19262d;color:var(--blue);font-size:24px}
.action-card.blue .action-icon{background:rgba(0,0,0,.25);color:#fff}
@media(max-width:800px){.header-inner{min-height:74px}.brand-word{font-size:38px}.brand small{font-size:10px;margin-top:8px}.hero{grid-template-columns:1fr;padding-top:48px}.hero-visual{display:none}}
@media(max-width:560px){.header-inner{height:auto;min-height:70px}.brand-word{font-size:36px}.lang{min-height:36px;padding:7px}.hero h1{font-size:43px}}

/* Beta 5: language switch restored to the proven first-version implementation. */
.top-nav .language-switch{display:flex;align-items:center;gap:8px}
.top-nav .language-switch a{display:flex;align-items:center;gap:7px;min-height:40px;padding:8px 11px;border:1px solid #26333c;border-radius:10px;color:var(--muted);white-space:nowrap}
.top-nav .language-switch a.active{border-color:var(--blue);background:rgba(18,185,239,.12);color:#fff}
.top-nav .language-switch .language-emoji{display:inline-block!important;width:auto!important;height:auto!important;min-width:18px;font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif;font-size:15px;line-height:1;font-style:normal;background:none!important;border:0!important;overflow:visible!important}
@media(max-width:800px){.top-nav .language-switch{gap:6px}.top-nav .language-switch a{padding:7px 8px}.top-nav .language-switch a>span:last-child{display:none}}
@media(max-width:560px){.top-nav .language-switch a:not(.active){display:none}.top-nav .language-switch a.active>span:last-child{display:inline}}

/* 1.1 Proof of Concept: installation/detail page based on the approved mock-up. */
.help-article--showcase{max-width:1180px;padding-top:28px}
.showcase-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:48px;align-items:start}
.article-header--showcase{padding:32px 0 22px;max-width:760px}
.article-header--showcase h1{font-size:44px;margin:12px 0 10px}
.article-header--showcase p{max-width:680px;font-size:16px;margin:0 0 18px}
.article-meta--pills{display:flex;flex-wrap:wrap;gap:8px}
.article-meta--pills span{display:inline-flex;align-items:center;min-height:28px;padding:4px 10px;border:1px solid #33424c;border-radius:999px;background:#141d23;color:#d6dde2;font-size:12px}
.video-shell--showcase{margin-top:4px}
.video-frame--placeholder{position:relative;border:1px solid #46545e;border-radius:12px;background:#05090c;box-shadow:0 24px 60px rgba(0,0,0,.28)}
.video-frame--placeholder img{display:block;width:100%;height:100%;object-fit:cover}
.placeholder-play{position:absolute;left:24px;bottom:23px;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.92);color:#0c1419;font-size:18px;padding-left:3px;box-shadow:0 8px 25px rgba(0,0,0,.35)}
.placeholder-label{position:absolute;right:18px;bottom:20px;background:rgba(3,10,14,.78);border:1px solid rgba(22,184,236,.5);border-radius:7px;padding:7px 10px;font-size:11px;color:#d9e4e9}
.showcase-description{padding:28px 0 8px;border-bottom:1px solid var(--line)}
.showcase-description h2{margin:0 0 12px;color:var(--blue);font-size:15px}
.showcase-description p{color:#d4dce1;max-width:780px}
.check-list{list-style:none;padding:0;margin:14px 0 0}.check-list li{position:relative;padding-left:27px;margin:7px 0;color:#dbe3e8}.check-list li:before{content:'✓';position:absolute;left:0;top:0;width:18px;height:18px;border:1px solid var(--blue);border-radius:50%;display:grid;place-items:center;color:var(--blue);font-size:11px;font-weight:800}
.showcase-sidebar{padding-top:76px;display:grid;gap:16px}
.side-card{background:linear-gradient(145deg,#182228,#121a20);border:1px solid #2d3b44;border-radius:14px;padding:18px 18px 16px;box-shadow:0 15px 35px rgba(0,0,0,.16)}
.side-card h2{font-size:16px;margin:0 0 13px;padding-left:11px;border-left:3px solid var(--blue)}
.side-card p{font-size:13px;color:var(--muted)}
.side-card--steps ol{list-style:none;padding:0;margin:0}.side-card--steps li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid #2a3740;font-size:13px}.side-card--steps li:last-child{border-bottom:0}.side-card--steps time{color:#c5d0d6;white-space:nowrap}
.side-links{display:grid}.side-links a{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:10px 2px;border-bottom:1px solid #2a3740;font-size:13px}.side-links a:last-child{border-bottom:0}.side-links b{color:var(--blue);font-size:20px;line-height:1}.side-links--docs a span:before{content:'▧';color:var(--blue);margin-right:10px}
.next-card{border-color:#0b9ece;background:linear-gradient(145deg,#123443,#0e2632)}.next-card__title{display:flex;align-items:center;gap:12px}.next-card__title>span{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#18536c;font-size:20px}.next-card__title strong{font-size:17px}.next-button{display:flex;justify-content:space-between;align-items:center;margin-top:14px;padding:11px 14px;border-radius:9px;background:#fff;color:#111820;font-weight:800;font-size:13px}.next-button span{color:#0daee3}
@media(max-width:980px){.showcase-layout{grid-template-columns:1fr}.showcase-sidebar{padding-top:0;grid-template-columns:repeat(2,minmax(0,1fr))}.next-card{grid-column:span 2}}
@media(max-width:680px){.showcase-sidebar{grid-template-columns:1fr}.next-card{grid-column:auto}.article-header--showcase h1{font-size:36px}.placeholder-label{display:none}}


/* 1.1.2 POC: preserve the approved hero composition and refine the requested footer/video details. */
.hero-visual{max-width:410px;width:100%;justify-self:center;position:relative;text-align:initial}
.hero-visual img{display:block;width:100%;height:auto;max-height:610px;object-fit:contain;object-position:center top;border-radius:34px;box-shadow:0 36px 90px rgba(0,0,0,.5)}
.video-orientation-note{display:flex;align-items:center;gap:7px;margin:10px 2px 0;color:#aeb8bf;font-size:12px}
.video-orientation-note>span{display:inline-grid;place-items:center;width:18px;height:18px;border:1px solid var(--blue);border-radius:50%;color:var(--blue);font-size:12px;line-height:1}
.video-orientation-note strong{color:#dfe7eb}
.footer-grid--icons{gap:0}
.footer-benefit{display:grid!important;grid-template-columns:40px 1fr;gap:14px;align-items:start;padding:7px 20px 7px 0;margin-right:20px}
.footer-benefit__icon{display:grid!important;place-items:center;width:34px;height:34px;color:var(--blue)}
.footer-benefit__icon svg{display:block;width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.footer-benefit__copy{display:block!important}
.footer-benefit__copy strong,.footer-benefit__copy span{display:block}
.copyright--with-menu{display:flex;justify-content:space-between;align-items:center;gap:24px}
.footer-menu{display:flex;align-items:center;justify-content:flex-end;gap:20px;list-style:none;padding:0;margin:0}
.footer-menu a{color:#aeb8bf}
.footer-menu a:hover,.footer-menu a:focus{color:var(--blue)}
@media(max-width:800px){.copyright--with-menu{align-items:flex-start;flex-direction:column;gap:12px}.footer-menu{justify-content:flex-start;flex-wrap:wrap}.footer-benefit{margin-right:0}}
@media(max-width:560px){.footer-benefit{grid-template-columns:36px 1fr;padding-right:0}.footer-benefit__icon{width:30px;height:30px}.footer-benefit__icon svg{width:27px;height:27px}.video-orientation-note{align-items:flex-start}}


/* 1.1.7 POC: front-page hero image with a tight smartphone frame. */
.hero-visual{max-width:360px;width:100%;justify-self:center;position:relative;text-align:initial}
.hero-visual .phone-frame{position:relative;display:block;width:min(320px,100%);margin:0 auto;padding:8px;background:linear-gradient(180deg,#151c22 0%,#0b1014 100%);border:1px solid rgba(255,255,255,.08);border-radius:38px;box-shadow:0 30px 70px rgba(0,0,0,.46),inset 0 1px 0 rgba(255,255,255,.05)}
.hero-visual .phone-notch{position:absolute;left:50%;top:8px;transform:translateX(-50%);width:34%;max-width:108px;height:16px;background:#05080b;border-radius:0 0 12px 12px;box-shadow:0 1px 0 rgba(255,255,255,.04)}
.hero-visual .phone-frame:before,.hero-visual .phone-frame:after{content:"";position:absolute;right:-2px;width:2px;border-radius:0 2px 2px 0;background:#2a333a;opacity:.9}
.hero-visual .phone-frame:before{top:118px;height:44px}
.hero-visual .phone-frame:after{top:172px;height:44px}
.hero-visual .phone-frame img{display:block;width:100%;height:auto;max-height:640px;object-fit:cover;object-position:center top;border-radius:30px;box-shadow:none}
@media(max-width:800px){.hero-visual{display:none}}
@media(max-width:560px){.hero-visual .phone-frame{width:min(290px,100%);padding:7px;border-radius:34px}.hero-visual .phone-notch{height:14px;top:7px}.hero-visual .phone-frame img{border-radius:27px}}