:root{--bg:#0d1112;--bg2:#111c1c;--panel:#162324;--panel2:#1e3031;--line:#344746;--ink:#edf3f1;--muted:#afc2be;--aqua:#70b8a9;--blue:#9ed7c9;--gold:#ffd898;--max:1140px;--soft:#18302d}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow-x:hidden}
body:before{content:"";position:absolute;z-index:-1;inset:0 0 auto;height:1050px;background:radial-gradient(circle at 76% 9%,rgba(52,157,191,.22),transparent 34%),radial-gradient(circle at 11% 37%,rgba(62,91,173,.17),transparent 35%);pointer-events:none}
a{color:inherit;text-decoration-color:rgba(109,242,209,.7);text-underline-offset:5px}
a:hover{color:var(--aqua)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--aqua);outline-offset:4px}
button{font:inherit;cursor:pointer}
.wrap{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
.skip{position:absolute;left:12px;top:-70px;background:var(--ink);color:var(--bg);z-index:100;padding:8px 14px;border-radius:6px}.skip:focus{top:10px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(7,17,29,.94);border-bottom:1px solid rgba(147,195,217,.14);backdrop-filter:blur(16px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:80px}
.brand{display:inline-flex;align-items:center;gap:12px;white-space:nowrap;text-decoration:none;font-weight:800;letter-spacing:-.05em;font-size:27px;color:var(--ink)}.brand:hover{color:var(--ink)}
.brand-mark{display:grid;place-items:center;width:39px;height:39px;border:1px solid rgba(109,242,209,.6);border-radius:13px;background:linear-gradient(140deg,rgba(109,242,209,.16),rgba(141,185,255,.09));box-shadow:0 0 24px rgba(109,242,209,.08)}
.brand-mark svg{width:27px;height:27px}.header-right{display:flex;align-items:center;gap:20px}.nav{display:flex;gap:22px;align-items:center}.nav a{color:#d1e0e9;text-decoration:none;font-size:13px;font-weight:650}.nav a:hover{color:var(--aqua)}
.lang-switch{display:inline-flex;border:1px solid var(--line);border-radius:99px;padding:3px;gap:3px}.lang-switch button{border:0;background:transparent;color:var(--muted);border-radius:99px;font-size:12px;font-weight:800;letter-spacing:.05em;padding:7px 10px}.lang-switch button[aria-pressed=true]{color:var(--bg);background:var(--aqua)}
[lang^="de"] .en{display:none!important}[lang="en"] .de{display:none!important}
.hero{padding:105px 0 98px;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:32px}.kicker{display:flex;align-items:center;gap:9px;color:var(--aqua);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.kicker:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--aqua);box-shadow:0 0 16px var(--aqua)}
h1{font-size:clamp(46px,6.1vw,84px);line-height:1.07;letter-spacing:-.065em;font-weight:750;max-width:680px;margin:24px 0}.accent{color:var(--aqua)}
.lead{font-size:clamp(17px,1.55vw,20px);line-height:1.7;max-width:540px;color:#c1d2de}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:11px;min-height:49px;padding:11px 19px;font-weight:800;font-size:14px;text-decoration:none;border:1px solid var(--line);transition:transform .15s,background .15s,color .15s}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--aqua);border-color:var(--aqua);color:var(--bg)}.btn-primary:hover{color:var(--bg);background:#91f7df}.btn-ghost{background:rgba(255,255,255,.035)}
.hero-note{font-size:12px;color:var(--muted);margin-top:18px}.hero-art{width:100%;position:relative;min-width:0}.hero-art svg{display:block;width:100%;height:auto;filter:drop-shadow(0 28px 55px rgba(0,0,0,.28))}.art-label{position:absolute;right:12px;bottom:0;color:#9bb1c4;font-size:11px}
.eyeline{display:flex;align-items:center;gap:12px;margin-bottom:18px;text-transform:uppercase;font-size:12px;font-weight:800;letter-spacing:.13em;color:var(--aqua)}.eyeline .rule{width:26px;height:1px;background:var(--aqua)}
.section{border-top:1px solid rgba(148,197,215,.15);padding:86px 0}.section h2{font-size:clamp(30px,3.4vw,48px);line-height:1.14;letter-spacing:-.04em;margin:0 0 17px}.section-intro{font-size:18px;color:var(--muted);max-width:740px;margin-bottom:32px}.small{font-size:13px;color:var(--muted)}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-bottom:72px}.stat{padding:22px 24px;border:1px solid var(--line);background:linear-gradient(140deg,rgba(24,49,72,.72),rgba(9,24,40,.75));border-radius:16px}.stat strong{display:block;font-size:16px}.stat span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step{border:1px solid var(--line);border-radius:18px;padding:25px;background:rgba(22,41,62,.65);min-height:180px}.step-number{color:var(--aqua);font-size:12px;font-weight:850;letter-spacing:.13em}.step h3{font-size:20px;letter-spacing:-.02em;margin:12px 0 9px}.step p{color:var(--muted);margin:0;font-size:14px}
.diagram{margin:26px 0 0;border:1px solid var(--line);border-radius:22px;background:radial-gradient(ellipse at center,rgba(23,82,102,.28),transparent 65%),linear-gradient(180deg,rgba(15,33,51,.95),rgba(11,25,40,.9));padding:32px 34px 25px;overflow:hidden}.diagram svg{display:block;width:100%;max-height:300px}.diagram-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:5px}.diagram-head h3{font-size:19px;margin:0 0 5px}.diagram-head p{font-size:13px;color:var(--muted);margin:0}.diagram-footer{border-top:1px solid rgba(144,184,213,.18);padding-top:14px;font-size:13px;color:var(--muted);margin-top:12px}
.legend{display:flex;flex-wrap:wrap;gap:18px;margin:10px 0;color:var(--muted);font-size:12px}.legend .dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--aqua);margin-right:6px}.legend .dot.ghost{background:var(--gold)}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.feature{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:28px;min-height:220px}.feature svg{width:31px;height:31px;color:var(--aqua);margin-bottom:13px}.feature h3{margin:0 0 9px;font-size:18px}.feature p{color:var(--muted);font-size:14px;margin:0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}.explain{padding:29px;border-radius:19px;border:1px solid var(--line);background:#102236}.explain h3{font-size:22px;margin:0 0 13px}.explain p{color:var(--muted);font-size:15px}.explain ul{padding-left:20px;color:var(--muted);font-size:14px}.explain li{margin-bottom:8px}
.notice{border:1px solid rgba(255,216,152,.38);border-left:3px solid var(--gold);border-radius:11px;padding:18px 21px;background:rgba(255,216,152,.05);color:#f5debb;font-size:14px;margin-top:25px}
.faq{display:grid;grid-template-columns:1fr 1.5fr;gap:50px}.faq-list details{border-bottom:1px solid var(--line);padding:17px 0}.faq-list details:first-child{border-top:1px solid var(--line)}.faq-list summary{list-style:none;cursor:pointer;font-size:16px;font-weight:700;display:flex;justify-content:space-between;gap:15px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:'+';color:var(--aqua);font-size:21px}.faq-list details[open] summary:after{content:'−'}.faq-list details p{font-size:14px;color:var(--muted);margin:12px 18px 2px 0}
.cta{display:flex;justify-content:space-between;align-items:center;gap:25px;flex-wrap:wrap;border-radius:22px;background:linear-gradient(115deg,#204657,#19304e);border:1px solid #3a7181;padding:43px 47px}.cta h2{margin:0 0 9px;font-size:33px}.cta p{margin:0;color:#d5e8ef;font-size:14px}.cta .btn-primary{white-space:nowrap}
.site-footer{border-top:1px solid var(--line);padding:34px 0 45px;color:var(--muted);font-size:13px}.foot-flex{display:flex;justify-content:space-between;gap:25px;align-items:flex-start;flex-wrap:wrap}.foot-links{display:flex;gap:20px;flex-wrap:wrap}.foot-links a{text-decoration:none}.foot-meta{margin-top:14px;font-size:12px;color:#93aabb}
.legal-page{padding:65px 0 85px}.legal-page h1{font-size:clamp(38px,5vw,60px);margin:12px 0 15px}.legal-page h2{font-size:22px;margin:44px 0 12px;padding-top:22px;border-top:1px solid var(--line);letter-spacing:-.025em}.legal-page h3{font-size:17px;margin:23px 0 9px}.legal-page p,.legal-page li{color:#c4d5e0;font-size:15px}.legal-page ul{padding-left:22px}.legal-page li{margin:0 0 9px}.legal-page a{color:var(--aqua)}.legal-narrow{max-width:850px}.legal-page .legal-lead{font-size:18px;color:var(--muted)}.legal-box{background:var(--panel);border:1px solid var(--line);padding:24px 28px;border-radius:15px;margin-top:25px}.legal-box p:last-child{margin-bottom:0}.legal-page address{font-style:normal;line-height:1.9;color:#c4d5e0}.legal-page .meta{font-size:12px;color:var(--muted)}
@media(max-width:950px){.nav{gap:13px}.hero{grid-template-columns:1fr 1fr}.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.wrap{width:min(var(--max),calc(100% - 34px))}.header-inner{min-height:70px;flex-wrap:wrap;gap:6px;padding:10px 0}.brand{font-size:22px}.brand-mark{width:35px;height:35px}.header-right{gap:10px}.nav{order:3;width:100%;gap:16px;overflow:auto;padding:9px 0 3px}.nav a{white-space:nowrap;font-size:12px}.hero{grid-template-columns:1fr;padding:62px 0 52px;gap:34px}.hero-art{max-width:500px;margin:auto}.stat-row{grid-template-columns:1fr;gap:10px;padding-bottom:40px}.stat{padding:16px 20px}.section{padding:58px 0}.steps,.feature-grid,.split,.faq{grid-template-columns:1fr}.step{min-height:unset}.diagram{padding:17px 12px 19px}.diagram-head{padding:0 6px;flex-wrap:wrap}.cta{padding:28px 22px}.cta h2{font-size:27px}.feature{min-height:unset}.legal-page{padding-top:40px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}

/* Hopvio brand accents and supplied artwork */
.hero-photo{width:100%;height:auto;border:1px solid rgba(112,184,169,.21);border-radius:21px;box-shadow:0 30px 80px rgba(0,0,0,.34);background:#0d1112}
.hero-art{display:grid;align-items:center}.hero-art .art-label{bottom:-22px;right:6px}
.brand-icon{width:40px;height:40px;border-radius:10px}.mini-feature{width:100%;border-radius:14px;border:1px solid var(--line);margin-top:12px}
.note-list{color:var(--muted);font-size:14px;padding-left:22px}.note-list li{margin-bottom:9px}
.illustration{width:100%;height:auto;max-height:330px}.diagram svg{overflow:visible}
.diagram .t{font:700 16px system-ui,sans-serif;fill:#eff8f4}.diagram .st{font:500 11px system-ui,sans-serif;fill:#c8dad6}.diagram .emph{fill:var(--aqua);font-weight:700}.diagram .node{fill:#14312e;stroke:#70b8a9;stroke-width:2}.diagram .node-out{fill:#23302d;stroke:#7d928b;stroke-width:1.6}.diagram .link{stroke:#70b8a9;stroke-width:3;stroke-linecap:round}.diagram .muted-link{stroke:#7d928b;stroke-dasharray:7 6;stroke-width:2}.diagram .packet{fill:#70b8a9;stroke:#0d1112;stroke-width:1}.diagram .small-note{font:500 10px system-ui,sans-serif;fill:#b3c5c0}
.privacy-note{padding:18px 21px;background:rgba(112,184,169,.085);border:1px solid rgba(112,184,169,.3);border-radius:12px;font-size:13px;color:#d1e6df}
.steps .step{border-top:2px solid var(--aqua)}
.link-list{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.link-list a{font-size:13px}
@media(max-width:760px){.hero-photo{border-radius:14px}.diagram .t{font-size:14px}.diagram .st{font-size:10px}.diagram .small-note{font-size:9px}}

/* Presentation: phones with real screenshots, the illustrated story, use cases, features */
svg.i{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.phone{position:relative;background:#05080a;border:1px solid #2f4140;border-radius:36px;padding:26px 9px 14px;box-shadow:0 30px 70px rgba(0,0,0,.5),inset 0 0 0 2px #121b1c}
.phone:before{content:"";position:absolute;top:10px;left:50%;width:8px;height:8px;margin-left:-4px;border-radius:50%;background:#1d2a2b}
.phone img{display:block;width:100%;height:auto;border-radius:22px;background:#0e1213}
.hero-phones{position:relative;display:flex;justify-content:center;align-items:flex-start;min-height:560px}
.hero-phones .phone{width:250px;flex:none}
.hero-phones .back{transform:rotate(-7deg) translate(12px,34px);opacity:.85}
.hero-phones .front{transform:rotate(4deg) translate(-12px,0);z-index:2}
.bt-badge{position:absolute;z-index:3;left:50%;top:46%;transform:translate(-50%,-50%);display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:99px;background:rgba(13,17,18,.94);border:1px solid rgba(112,184,169,.6);color:var(--aqua);font-size:12px;font-weight:800;letter-spacing:.06em;box-shadow:0 0 34px rgba(112,184,169,.28)}
.bt-badge svg{width:16px;height:16px}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;padding-bottom:72px}
.fact{display:flex;gap:14px;align-items:flex-start;padding:20px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(140deg,rgba(24,49,72,.6),rgba(9,24,40,.7))}
.fact svg{flex:none;width:26px;height:26px;color:var(--aqua)}
.fact strong{display:block;font-size:15px;line-height:1.4}.fact span{display:block;color:var(--muted);font-size:13px;line-height:1.5;margin-top:3px}
.story{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.story-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column}
.story-art{background:radial-gradient(ellipse at 50% 45%,rgba(112,184,169,.14),transparent 70%),#0f1a1b;border-bottom:1px solid var(--line)}
.story-art svg{display:block;width:100%;height:auto}
.story-body{padding:20px 22px 24px}.story-body h3{font-size:18px;margin:8px 0;letter-spacing:-.02em}.story-body p{color:var(--muted);font-size:14px;margin:0}
.story-note{margin-top:22px}
.s-who{fill:#1d3532;stroke:#70b8a9;stroke-width:1.6}.s-who.s-off{fill:#1c2625;stroke:#566a65}
.s-phone{fill:#0d1112;stroke:#70b8a9;stroke-width:1.6}
.s-env{fill:#ffd898}.s-flap{fill:none;stroke:#0d1112;stroke-width:1.6;stroke-linejoin:round}
.s-lock{fill:#0d1112}.s-shackle{fill:none;stroke:#0d1112;stroke-width:1.8}
.s-wave{fill:none;stroke:#70b8a9;stroke-width:2;stroke-linecap:round;animation:s-pulse 2.4s ease-in-out infinite}.s-wave.w2{animation-delay:.4s}.s-wave.w3{animation-delay:.8s}
.s-gap{fill:none;stroke:#566a65;stroke-width:2;stroke-dasharray:4 6;stroke-linecap:round}
.s-path{fill:none;stroke:#70b8a9;stroke-width:2;stroke-dasharray:2 7;stroke-linecap:round}
.s-arrow{fill:none;stroke:#70b8a9;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.s-move{stroke:#566a65;stroke-width:2;stroke-linecap:round}
.s-ground{stroke:#26393a;stroke-width:1.5}
.s-glow{fill:rgba(255,216,152,.12)}
.s-no{fill:none;stroke:#ffd898;stroke-width:2;stroke-linecap:round}
.s-ok{fill:#70b8a9}.s-tick{fill:none;stroke:#0d1112;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.s-lbl{font:700 12px system-ui,sans-serif;fill:#d6e5e1}.s-lbl.s-dim{fill:#8fa6a0;font-weight:600}
@keyframes s-pulse{0%,100%{opacity:.25}50%{opacity:1}}
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px}
.shot .phone{max-width:240px;margin:0 auto 20px}
.shot h3{font-size:18px;margin:0 0 6px;letter-spacing:-.02em}.shot p{color:var(--muted);font-size:14px;margin:0}
.uses{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.use{padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}
.use svg{width:30px;height:30px;color:var(--aqua);margin-bottom:12px}.use h3{font-size:17px;margin:0 0 6px}.use p{color:var(--muted);font-size:14px;margin:0}
.mini-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.mini{padding:20px;border:1px solid var(--line);border-radius:16px;background:rgba(22,35,36,.7)}
.mini svg{width:24px;height:24px;color:var(--aqua);margin-bottom:10px}.mini h3{font-size:15px;margin:0 0 5px}.mini p{color:var(--muted);font-size:13px;line-height:1.55;margin:0}
.tech{columns:2;column-gap:44px;padding-left:20px;color:var(--muted);font-size:15px;margin:0}.tech li{margin-bottom:10px;break-inside:avoid}
@media(max-width:950px){.story,.mini-grid,.facts,.gallery,.uses{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-phones{min-height:470px}.hero-phones .phone{width:205px}}
@media(max-width:760px){.hero-phones{min-height:0;padding:6px 0 18px}.hero-phones .phone{width:47%;max-width:200px;border-radius:26px;padding:18px 6px 10px}.hero-phones .phone:before{top:6px;width:6px;height:6px;margin-left:-3px}.hero-phones .phone img{border-radius:16px}.hero-phones .back{transform:rotate(-6deg) translate(16px,22px)}.hero-phones .front{transform:rotate(4deg) translate(-16px,0)}.facts{gap:10px;padding-bottom:40px}.fact{flex-direction:column;gap:8px;padding:16px}.story,.uses{grid-template-columns:1fr}.gallery{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:18px;margin:0 -17px;padding:0 17px 10px}.shot{flex:0 0 70%;scroll-snap-align:center}.tech{columns:1}}
@media(prefers-reduced-motion:reduce){.s-wave{animation:none;opacity:1}}