:root{
    --navy-deep:#0d2d6b;
    --blue:#1C58A9;
    --mid:#006BB9;
    --bright:#0071BC;
    --sky:#358CCC;
    --orange:#E1641F;
    --orange-dark:#C4531A;
    --grey:#59595B;
    --ink:#152238;
    --body:#333333;
    --tint:#EEF5FB;
    --page:#f0f4f9;
    --card:#ffffff;
    --line:#dbe6f2;
    --grad:linear-gradient(135deg,#0d2d6b 0%,#1C58A9 40%,#006BB9 75%,#0071BC 100%);
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  body{
    font-family:'Inter',Arial,sans-serif;
    color:var(--body);
    background:var(--page);
    font-size:16px;
    line-height:1.65;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3{font-family:'Archivo',Arial,sans-serif;color:var(--ink);line-height:1.12;letter-spacing:-0.015em;margin:0;}
  a{color:var(--blue);}
  img{display:block;max-width:100%;height:auto;}
  .wrap{max-width:1120px;margin:0 auto;padding:0 24px;}
  .mono{font-family:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;}
  :focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:4px;}
  ::selection{background:var(--sky);color:#fff;}

  .btn{display:inline-block;font-weight:700;font-size:14.5px;text-decoration:none;border-radius:8px;padding:12px 22px;transition:transform .15s ease, box-shadow .15s ease;}
  .btn:hover{transform:translateY(-1px);}
  .btn-orange{background:var(--orange);color:#fff;box-shadow:0 3px 14px rgba(225,100,31,.35);}
  .btn-orange:hover{background:var(--orange-dark);color:#fff;}
  .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.35);}
  .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;}
  .btn-blue{background:var(--blue);color:#fff;}
  .btn-blue:hover{color:#fff;}

  /* ---------- jump links ---------- */
  .jump{background:#fff;border-bottom:1px solid var(--line);}
  .jump .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:60px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px;}
  .jump .links{display:flex;gap:22px;flex-wrap:wrap;}
  .jump .links a{font-size:14.5px;font-weight:600;color:var(--ink);text-decoration:none;}
  .jump .links a:hover{color:var(--blue);}
  .jump .helpdesk{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--grey);}
  .jump .helpdesk a{color:var(--blue);text-decoration:none;font-weight:600;}

  /* ---------- hero ---------- */
  .hero{background:var(--grad);color:#fff;padding:76px 0 96px;position:relative;overflow:hidden;}
  .hero::after{
    content:"";position:absolute;right:-60px;top:-60px;width:420px;height:420px;opacity:.07;
    background-image:radial-gradient(circle 26px at center,#fff 24px,transparent 25px);
    background-size:100px 100px;pointer-events:none;
  }
  .hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;}
  .eyebrow{font-family:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:#ffd9c6;margin-bottom:18px;}
  .hero h1{color:#fff;font-size:52px;font-weight:800;margin-bottom:20px;}
  .hero h1 .accent{color:#ffd9c6;}
  .hero p.lede{font-size:17.5px;line-height:1.7;color:rgba(255,255,255,.88);max-width:52ch;margin-bottom:30px;}
  .hero .ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px;}
  .trustline{font-family:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;font-size:12px;color:rgba(255,255,255,.65);display:flex;gap:22px;flex-wrap:wrap;}
  .trustline span::before{content:"▸ ";color:var(--orange);}
  .hero-media{position:relative;}
  .hero-media .frame{border-radius:16px;overflow:hidden;box-shadow:0 24px 60px rgba(5,20,50,.45);border:1px solid rgba(255,255,255,.18);}
  .chip{position:absolute;left:-14px;bottom:26px;background:#fff;border-radius:10px;padding:12px 18px;box-shadow:0 10px 30px rgba(5,20,50,.35);display:flex;align-items:center;gap:12px;}
  .chip .k{font-family:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;font-size:11px;color:var(--grey);letter-spacing:.1em;}
  .chip .v{font-family:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;font-size:13px;font-weight:600;color:var(--blue);}
  .pill{position:absolute;top:-14px;right:22px;background:var(--orange);color:#fff;font-weight:700;font-size:12.5px;letter-spacing:.06em;border-radius:999px;padding:8px 20px;box-shadow:0 6px 18px rgba(225,100,31,.45);}
  @media (max-width:940px){
    .hero .wrap{grid-template-columns:1fr;}
    .hero h1{font-size:38px;}
    .chip{left:12px;}
  }

  /* ---------- sections ---------- */
  section.block{padding:84px 0;}
  .kicker{display:inline-block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.22em;color:var(--orange);border-bottom:2px solid var(--orange);padding-bottom:8px;margin-bottom:20px;}
  h2.title{font-size:36px;font-weight:800;margin-bottom:16px;max-width:24ch;}
  p.sub{font-size:16.5px;max-width:62ch;color:#444;}

  /* how it works */
  .how{background:var(--tint);}
  .how .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  .how .frame{background:#fff;border-radius:14px;padding:18px;box-shadow:0 10px 40px rgba(28,88,169,.12);border:1px solid var(--line);}
  .how ul{list-style:none;margin:26px 0 0 0;padding:0;}
  .how li{padding:10px 0 10px 34px;position:relative;font-size:15.5px;color:#3a3a3a;}
  .how li::before{content:"";position:absolute;left:0;top:16px;width:18px;height:4px;border-radius:2px;background:var(--orange);}
  .how li strong{color:var(--blue);}
  .how p.note{margin-top:22px;font-size:14.5px;color:var(--grey);}
  @media (max-width:940px){.how .wrap{grid-template-columns:1fr;}}

  /* features */
  .features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;}
  .feature{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 24px;transition:box-shadow .2s ease,border-color .2s ease;}
  .feature:hover{box-shadow:0 10px 34px rgba(28,88,169,.14);border-color:var(--sky);}
  .feature .keynum{
    width:48px;height:48px;border-radius:10px;margin-bottom:16px;
    background:linear-gradient(180deg,#ffffff,#e8eef7);
    border:1px solid #cfdded;
    box-shadow:0 3px 0 #c3d2e4;
    display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--blue);
  }
  .feature .keynum .n{font-weight:800;font-size:19px;line-height:1;}
  .feature .keynum .l{font-family:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;font-size:7.5px;letter-spacing:.24em;color:var(--grey);margin-top:2px;min-height:9px;}
  .feature h3{font-size:17px;margin-bottom:8px;color:var(--blue);}
  .feature p{font-size:14.5px;line-height:1.6;color:#4a4a4a;}
  .features-note{margin-top:26px;font-size:14px;color:var(--grey);}
  .features-note strong{color:var(--blue);}
  @media (max-width:940px){.features-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:640px){.features-grid{grid-template-columns:1fr;}}

  /* use cases */
  .cases{background:#fff;}
  .cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px;}
  .case{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:box-shadow .2s ease;}
  .case:hover{box-shadow:0 14px 40px rgba(28,88,169,.15);}
  .case .img{aspect-ratio:3/2;overflow:hidden;}
  .case .img img{width:100%;height:100%;object-fit:cover;}
  .case .body{padding:22px 22px 26px;flex:1;}
  .case .tag{font-family:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);font-weight:600;}
  .case h3{font-size:18px;margin:8px 0 10px;}
  .case p{font-size:14.5px;color:#4a4a4a;}
  @media (max-width:940px){.cases-grid{grid-template-columns:1fr;}}

  /* keypad steps */
  .steps{background:var(--grad);color:#fff;}
  .steps .kicker{color:#ffd9c6;border-color:var(--orange);}
  .steps h2.title{color:#fff;}
  .steps p.sub{color:rgba(255,255,255,.82);}
  .steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;}
  .step{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:28px 26px;}
  .key{
    width:58px;height:58px;border-radius:12px;margin-bottom:18px;
    background:linear-gradient(180deg,#ffffff, #e8eef7);
    box-shadow:0 4px 0 #b9c9dd, 0 8px 18px rgba(0,0,0,.28);
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    color:var(--blue);
  }
  .key .n{font-weight:800;font-size:22px;line-height:1;}
  .key .l{font-family:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;font-size:8px;letter-spacing:.28em;color:var(--grey);margin-top:2px;}
  .step h3{color:#fff;font-size:18px;margin-bottom:10px;}
  .step p{font-size:14.5px;color:rgba(255,255,255,.82);}
  @media (max-width:840px){.steps-grid{grid-template-columns:1fr;}}

  /* plans */
  .plans-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px;align-items:stretch;}
  .plans-grid .plan{padding:24px 18px;}
  .plans-grid .plan h3{font-size:17.5px;}
  .plans-grid .plan .who{font-size:12.5px;margin:5px 0 14px;min-height:34px;}
  .plans-grid .plan .price{font-size:27px;}
  .plans-grid .plan .price s{font-size:16px;margin-left:4px;}
  .plans-grid .plan .terms{font-size:11.5px;}
  .plans-grid .plan ul{margin:16px 0 20px;font-size:13px;}
  .plans-grid .plan .btn{font-size:13.5px;padding:11px 14px;}
  .plans-grid .plan .flag{left:18px;font-size:10px;padding:4px 10px;}
  @media (max-width:1079px){.plans-grid{grid-template-columns:repeat(2,1fr);gap:20px;}.plans-grid .plan{padding:28px 24px;}.plans-grid .plan h3{font-size:19px;}.plans-grid .plan .price{font-size:32px;}.plans-grid .plan .who{min-height:0;}}
  .plan{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px 28px;display:flex;flex-direction:column;position:relative;}
  .plan.hot{border:2px solid var(--orange);box-shadow:0 18px 50px rgba(225,100,31,.16);}
  .plan .flag{position:absolute;top:-13px;left:28px;background:var(--orange);color:#fff;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;border-radius:999px;padding:5px 14px;}
  .plan h3{font-size:20px;color:var(--blue);}
  .plan .who{font-size:13.5px;color:var(--grey);margin:6px 0 18px;}
  .plan .price{font-family:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;font-size:34px;font-weight:600;color:var(--ink);}
  .plan .price small{font-size:13px;color:var(--grey);font-weight:400;}
  .plan ul{list-style:none;margin:22px 0 26px;padding:0;flex:1;}
  .plan li{font-size:14.5px;padding:7px 0 7px 26px;position:relative;color:#3d3d3d;}
  .plan li::before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:700;}
  .plan .btn{text-align:center;}
  @media (max-width:640px){.plans-grid{grid-template-columns:1fr;}}

  /* family add-ons */
  .family{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:26px;}
  .fam-card{background:var(--tint);border:1px solid #d6e6f5;border-radius:14px;padding:26px 26px;}
  .fam-card .tag{font-family:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);font-weight:600;}
  .fam-card h3{font-size:18px;color:var(--blue);margin:8px 0 10px;}
  .fam-card p{font-size:14.5px;color:#44506b;}
  @media (max-width:840px){.family{grid-template-columns:1fr;}}

  /* faq */
  .faq-list{margin-top:36px;max-width:820px;}
  .faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;}
  .faq-list summary{cursor:pointer;list-style:none;padding:18px 52px 18px 22px;font-weight:700;font-size:16px;color:var(--ink);position:relative;}
  .faq-list summary::-webkit-details-marker{display:none;}
  .faq-list summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-family:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;font-size:20px;color:var(--orange);transition:transform .2s ease;}
  .faq-list details[open] summary::after{content:"–";}
  .faq-list details[open] summary{color:var(--blue);border-bottom:1px solid var(--line);}
  .faq-list details p{padding:16px 22px 20px;font-size:14.5px;line-height:1.7;color:#454545;}
  .faq-list summary:hover{background:var(--tint);}
  @media (prefers-reduced-motion:reduce){.faq-list summary::after{transition:none;}.btn{transition:none;}}

  /* cta band */
  .cta-band{background:var(--blue);border-radius:16px;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:0 18px 50px rgba(28,88,169,.3);}
  .cta-band h2{color:#fff;font-size:27px;margin-bottom:8px;}
  .cta-band p{color:rgba(255,255,255,.78);font-size:15px;max-width:48ch;}
  .cta-band .btn{white-space:nowrap;}

  html{scroll-behavior:smooth;}
  header.nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;}
  header.nav .wrap{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:24px;}
  .wordmark{display:flex;align-items:center;gap:10px;text-decoration:none;}
  .wordmark .bar{width:10px;height:30px;background:var(--orange);border-radius:3px;}
  .wordmark .name{font-family:'Archivo',sans-serif;font-weight:800;font-size:23px;letter-spacing:-0.02em;color:var(--blue);line-height:1;}
  .wordmark .name em{font-style:normal;color:var(--orange);}
  .wordmark .by{font-size:10px;color:var(--grey);letter-spacing:.14em;text-transform:uppercase;font-weight:600;display:block;margin-top:3px;}
  nav.links{display:flex;gap:26px;}
  nav.links a{font-size:14.5px;font-weight:600;color:var(--ink);text-decoration:none;}
  nav.links a:hover{color:var(--blue);}
  @media (max-width:840px){nav.links{display:none;}}
  .topbar{background:var(--navy-deep);color:#cfe4f5;font-size:12px;padding:7px 0;}
  .topbar .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
  .topbar a{color:#fff;text-decoration:none;font-weight:500;}
  .topbar a:hover{text-decoration:underline;}
  .north{background:#fff;}
  .north-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px;}
  .north-card{background:var(--tint);border:1px solid #d6e6f5;border-radius:14px;padding:26px;}
  .north-card h3{font-size:17px;color:var(--blue);margin-bottom:8px;}
  .north-card p{font-size:14.5px;color:#44506b;}
  @media (max-width:840px){.north-grid{grid-template-columns:1fr;}}
  .billing-toggle{display:inline-flex;align-items:center;gap:14px;margin-top:28px;padding:10px 18px 10px 20px;background:#fff;border:1px solid var(--line);border-radius:999px;box-shadow:0 4px 18px rgba(28,88,169,.08);font-size:14.5px;color:var(--ink);font-weight:600;}
  .bt-switch{position:relative;width:46px;height:26px;border-radius:999px;border:0;padding:0;cursor:pointer;background:#c9d6e6;transition:background .2s ease;flex:none;}
  .bt-switch[aria-checked="true"]{background:var(--orange);}
  .bt-knob{position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.3);transition:transform .2s ease;}
  .bt-switch[aria-checked="true"] .bt-knob{transform:translateX(20px);}
  .bt-state{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--grey);min-width:6ch;}
  .plan .price s{font-size:20px;font-weight:400;color:var(--grey);text-decoration:line-through;margin-left:6px;}
  .plan .terms{font-size:13px;color:var(--grey);margin-top:2px;}
  .plans-note{margin-top:18px;font-size:12.5px;color:var(--grey);}
  .t-monthly{display:none;}
  body.billing-monthly .t-monthly{display:inline;}
  body.billing-monthly .t-annual,body.billing-monthly .was{display:none;}
  footer{background:var(--grad);color:#fff;padding:44px 0 30px;margin-top:84px;}
  .foot-top{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.2);}
  .foot-top .brand{font-weight:700;font-size:15px;}
  .foot-top .brand span{font-weight:400;color:rgba(255,255,255,.75);}
  .foot-top a{color:#fff;font-weight:600;text-decoration:none;font-size:14px;}
  .foot-top a.phone{color:#FFD9C6;}
  .foot-top a:hover{text-decoration:underline;}
  .foot-contact{display:flex;gap:22px;flex-wrap:wrap;}
  .foot-bottom{padding-top:16px;font-size:12px;color:rgba(255,255,255,.5);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;}
  .foot-bottom a{color:rgba(255,255,255,.65);}