:root{--navy:#071a2f;--navy-2:#0d2948;--blue:#176ff2;--blue-2:#4a97ff;--sky:#eaf3ff;--ice:#f6f9ff;--white:#fff;--ink:#0b1f35;--muted:#5d6c7d;--line:#dce6f2;--green:#27c481;--red:#f04455;--shadow:0 24px 80px rgba(8,36,70,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--white);color:var(--ink);font-family:"DM Sans",sans-serif}button,input{font:inherit}button,a{cursor:pointer}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:"Manrope",sans-serif}.section-shell{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.site-header{position:relative;z-index:10;width:min(1240px,calc(100% - 40px));height:94px;margin:auto;display:flex;align-items:center;justify-content:space-between}.brand img{width:150px;height:auto}.site-header nav{display:flex;gap:34px;color:#405267;font-size:14px;font-weight:600}.site-header nav a:hover{color:var(--blue)}.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:56px;padding:0 25px;border:0;border-radius:14px;background:var(--blue);color:#fff;font-weight:700;box-shadow:0 12px 28px rgba(23,111,242,.2);transition:transform .2s,box-shadow .2s}.button:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(23,111,242,.27)}.button-small{min-height:44px;padding:0 19px;border-radius:11px;font-size:14px}.button-secondary{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:none}
.hero{min-height:700px;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:60px;padding:60px 0 90px}.eyebrow,.kicker{display:block;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:24px}.eyebrow span{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(39,196,129,.12)}h1{font-size:clamp(52px,6.3vw,88px);line-height:.98;letter-spacing:-.06em}h1 em{color:var(--blue);font-style:normal}.hero-lede{max-width:610px;margin-top:28px;color:var(--muted);font-size:19px;line-height:1.65}.hero-actions{display:flex;gap:12px;margin-top:35px}.trust-row{display:flex;gap:0;margin-top:55px;border-top:1px solid var(--line);padding-top:22px}.trust-row div{display:grid;gap:4px;padding-right:28px;margin-right:28px;border-right:1px solid var(--line)}.trust-row div:last-child{border:0;margin:0;padding:0}.trust-row strong{font-size:14px}.trust-row span{color:var(--muted);font-size:12px}.hero-visual{position:relative;display:grid;place-items:center;min-height:570px;background:radial-gradient(circle,rgba(255,255,255,.96) 0 25%,transparent 26%),linear-gradient(145deg,#ddebff,#f8fbff);border-radius:48% 48% 43% 57%/45% 48% 52% 55%;overflow:hidden}.icon-card{position:relative;z-index:2;width:55%;padding:20px;border-radius:42px;background:#fff;box-shadow:0 36px 80px rgba(18,85,174,.22);transform:rotate(-3deg)}.icon-card img{border-radius:28px}.signal{position:absolute;border:2px solid rgba(23,111,242,.14);border-radius:50%}.signal-one{width:68%;aspect-ratio:1}.signal-two{width:90%;aspect-ratio:1}.hero-orbit{position:absolute;z-index:3;padding:12px 16px;border-radius:13px;background:#fff;box-shadow:0 14px 32px rgba(6,35,69,.14);font-size:12px;font-weight:800}.orbit-one{top:22%;right:5%;color:var(--red);letter-spacing:.1em}.orbit-two{bottom:18%;left:2%;display:flex;align-items:center;gap:7px}.orbit-two i{width:8px;height:8px;border-radius:50%;background:var(--green)}
.statement{padding:34px 0 110px;border-top:1px solid var(--line)}.statement p{max-width:900px;font-family:"Manrope",sans-serif;font-size:clamp(27px,4vw,46px);line-height:1.25;letter-spacing:-.035em}.section-heading{display:grid;grid-template-columns:1fr .65fr;gap:80px;align-items:end;margin-bottom:55px}.section-heading h2,.uses h2,.demo-intro h2,.closing h2{margin-top:13px;font-size:clamp(38px,5vw,64px);line-height:1.05;letter-spacing:-.045em}.section-heading>p,.uses-copy>p,.demo-intro>p{color:var(--muted);font-size:17px;line-height:1.65}.features{padding:110px 0}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.feature-card{min-height:350px;padding:28px;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:22px;background:#fff;transition:transform .25s,border-color .25s}.feature-card:hover{transform:translateY(-5px);border-color:#b8cff0}.feature-card>span{margin-top:auto;color:#8291a3;font-size:12px}.feature-card h3{margin-top:12px;font-size:21px;line-height:1.2}.feature-card p{margin-top:13px;color:var(--muted);font-size:14px;line-height:1.6}.feature-icon{width:50px;height:50px;display:grid;place-items:center;border-radius:15px;background:var(--sky);color:var(--blue);font-family:"Manrope",sans-serif;font-size:23px;font-weight:800}.feature-primary{background:var(--blue);border-color:var(--blue);color:#fff}.feature-primary .feature-icon{background:rgba(255,255,255,.16);color:#fff}.feature-primary>span,.feature-primary p{color:rgba(255,255,255,.72)}
.uses{margin-top:80px;padding:120px 0;background:var(--navy);color:#fff}.uses-inner{display:grid;grid-template-columns:.85fr 1.15fr;gap:120px}.uses-copy{position:sticky;top:50px;align-self:start}.uses-copy>p{margin-top:26px;color:#adc0d4}.use-list{display:grid}.use-list article{display:grid;grid-template-columns:55px 1fr;gap:20px;padding:29px 0;border-top:1px solid rgba(255,255,255,.15)}.use-list article:last-child{border-bottom:1px solid rgba(255,255,255,.15)}.use-list article>span{color:var(--blue-2);font-size:12px;font-weight:800}.use-list h3{font-size:23px}.use-list p{margin-top:8px;color:#adc0d4;line-height:1.55}
.how{padding:130px 0}.section-heading.compact{grid-template-columns:1fr;margin-bottom:50px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.steps article{position:relative;min-height:240px;padding:30px;border-radius:22px;background:var(--ice);overflow:hidden}.steps b{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:#fff;color:var(--blue);box-shadow:0 6px 18px rgba(7,36,73,.08)}.steps h3{margin-top:55px;font-size:22px}.steps p{margin-top:9px;color:var(--muted)}
.demo-wrap{padding:35px 0 130px}.demo-intro{max-width:680px;margin:0 auto 50px;text-align:center}.demo-intro>p{margin-top:20px}.app-shell{display:grid;gap:16px;padding:20px;border-radius:30px;background:var(--navy);color:#fff;box-shadow:0 35px 100px rgba(7,26,47,.24)}.topbar,.panel,.radio-stage{border:1px solid rgba(255,255,255,.1);border-radius:18px;background:var(--navy-2)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:13px 16px}.radio-brand{display:flex;align-items:center;gap:12px}.radio-brand img{width:42px;height:42px;object-fit:cover;border-radius:11px}.radio-brand strong{font-family:"Manrope",sans-serif}.radio-brand p,.label,#txState{margin-top:2px;color:#9fb4c9;font-size:12px}.radio-brand #connectionStatus{color:#6ee7ad}.text-button{min-height:38px;padding:0 13px;border:1px solid rgba(255,255,255,.14);border-radius:10px;background:rgba(255,255,255,.07);color:#fff}.text-button[hidden]{display:none}.panel{padding:18px}.identity-panel.is-saved{display:none}label{display:block;margin-bottom:9px;color:#c0d0df;font-size:13px}.inline-form{display:grid;grid-template-columns:1fr auto;gap:9px}input{min-width:0;height:48px;padding:0 14px;border:1px solid rgba(255,255,255,.14);border-radius:11px;outline:0;background:#071a2f;color:#fff}input:focus{border-color:var(--blue-2)}.inline-form button,.actions button{height:48px;padding:0 20px;border:0;border-radius:11px;background:var(--blue);color:#fff;font-weight:700}.channel-strip{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(125px,1fr);gap:8px;overflow-x:auto}.channel-placeholder{align-self:center;padding:13px;color:#9fb4c9}.channel{min-height:45px;padding:0 13px;border:1px solid rgba(255,255,255,.1);border-radius:12px;background:var(--navy-2);color:#fff;white-space:nowrap}.channel.is-active{border-color:var(--blue-2);background:var(--blue)}.radio-grid{display:grid;grid-template-columns:1.5fr .7fr;gap:16px}.radio-stage{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;min-height:410px;padding:24px}.status-card{display:grid;gap:4px;align-self:start}.status-card strong{font-family:"Manrope",sans-serif;font-size:28px}.ptt-button{grid-row:1/3;grid-column:2;width:min(270px,32vw);aspect-ratio:1;border:8px solid rgba(255,255,255,.08);border-radius:50%;background:var(--blue);color:#fff;font-family:"Manrope",sans-serif;font-size:20px;font-weight:800;box-shadow:0 0 0 10px rgba(23,111,242,.12),0 24px 60px rgba(0,0,0,.24);touch-action:none}.ptt-button:disabled{cursor:not-allowed;background:#496078;color:#b7c6d5;box-shadow:none}.ptt-button.is-transmitting{background:var(--red);box-shadow:0 0 0 10px rgba(240,68,85,.13),0 24px 60px rgba(0,0,0,.24)}.actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;align-self:end}.actions button:disabled{background:#40566d;cursor:not-allowed}.users-panel{position:relative;min-height:410px}.panel-heading{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.1)}.panel-heading h3{margin-top:3px;font-size:19px}.panel-heading #userCount{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.08);font-weight:700}#userList{display:grid;gap:8px;margin:14px 0 0;padding:0;list-style:none}#userList li{padding:11px 12px;border-radius:10px;background:rgba(255,255,255,.07)}#userList:not(:empty)+.empty-users{display:none}.empty-users{margin-top:25px;color:#8096ab;font-size:13px;text-align:center}
.closing{margin-bottom:45px;padding:55px;display:grid;grid-template-columns:90px 1fr auto;align-items:center;gap:35px;border-radius:28px;background:var(--blue);color:#fff}.closing img{width:90px;border-radius:19px}.closing .kicker{color:#cfe2ff}.closing h2{font-size:clamp(30px,4vw,50px)}.button-light{background:#fff;color:var(--blue);box-shadow:none}.site-footer{min-height:140px;display:flex;align-items:center;gap:28px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.site-footer img{width:120px}.site-footer a{margin-left:auto;color:var(--ink);font-weight:700}
@media(max-width:900px){.site-header nav{display:none}.hero{grid-template-columns:1fr;padding-top:40px}.hero-visual{min-height:500px}.feature-grid{grid-template-columns:1fr 1fr}.uses-inner{grid-template-columns:1fr;gap:55px}.uses-copy{position:static}.radio-grid{grid-template-columns:1fr}.radio-stage{min-height:380px}.users-panel{min-height:220px}.closing{grid-template-columns:70px 1fr}.closing img{width:70px}.closing .button{grid-column:1/-1}.section-heading{grid-template-columns:1fr;gap:24px}}
@media(max-width:620px){.section-shell,.site-header{width:min(100% - 24px,1180px)}.site-header{height:76px}.brand img{width:122px}.site-header .button-small{min-height:40px;padding:0 14px}.hero{min-height:auto;padding:45px 0 70px;gap:45px}h1{font-size:49px}.hero-lede{font-size:17px}.hero-actions{display:grid}.trust-row{display:grid;gap:15px}.trust-row div{border:0;margin:0;padding:0}.hero-visual{min-height:390px}.statement{padding-bottom:70px}.features,.how{padding:80px 0}.feature-grid,.steps{grid-template-columns:1fr}.feature-card{min-height:290px}.uses{padding:80px 0}.demo-wrap{padding-bottom:80px}.app-shell{padding:12px;border-radius:22px}.radio-stage{display:grid;grid-template-columns:1fr;min-height:auto;padding:18px}.ptt-button{grid-row:auto;grid-column:auto;width:min(245px,70vw);justify-self:center}.status-card{text-align:center}.inline-form{grid-template-columns:1fr}.radio-brand img{width:36px;height:36px}.text-button{font-size:12px}.closing{padding:30px;grid-template-columns:55px 1fr;gap:18px}.closing img{width:55px}.site-footer{flex-wrap:wrap;padding:35px 0}.site-footer p{width:100%;order:3}.site-footer a{margin-left:auto}}