:root{
    color-scheme: dark;
    --void:#12121c;
    --bg:#1a1a2e;
    --panel:#16213e;
    --display:#0f3460;
    --cyan:#00d4ff;
    --cyan-dim:#007a99;
    --signal:#e94560;
    --signal-hov:#c73652;
    --ok:#00ff88;
    --warn:#ffaa00;
    --ink:#eef3f7;
    --ink-soft:rgba(238,243,247,.76);
    --label:#8899aa;
    --line:rgba(0,212,255,.14);
    --line-soft:rgba(136,153,170,.16);
    --radius:4px;
    --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --maxw:1180px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--void);
    color:var(--ink);
    font-family:var(--sans);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  img,svg{display:block;max-width:100%;}
  a{color:inherit;}
  ul{margin:0;padding:0;list-style:none;}
  h1,h2,h3,p{margin:0;}
  section{scroll-margin-top:76px;}

  .drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background-color: var(--panel);
    
    /* GPU layer optimization */
    will-change: transform;
    transform: translateX(-100%);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Prevents background page scrolling when scrolling menu ends */
    overscroll-behavior: contain;
    overflow-y: auto;
  }
  
  .drawer.is-open {
    transform: translateX(0);
  }
  
  /* Ensure accessible touch target sizes for mobile links */
  .drawer a,
  .drawer button {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  .skip-link{
    position:absolute;left:-9999px;top:0;
    background:var(--signal);color:#fff;padding:10px 16px;
    font-family:var(--mono);z-index:200;border-radius:var(--radius);
  }
  .skip-link:focus{left:12px;top:12px;}

  :focus-visible {
    outline: 2px solid transparent;
    outline-offset: 0;
    box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--cyan);
  }
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}

  .eyebrow{
    font-family:var(--mono);font-weight:600;font-size:.72rem;
    letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);
    display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:7px;height:7px;background:var(--cyan);display:inline-block;box-shadow:0 0 8px var(--cyan);}

  .heading{
    font-family:var(--mono);font-weight:600;
    font-size:clamp(1.6rem,3.1vw,2.3rem);
    line-height:1.18;color:var(--ink);letter-spacing:-.01em;
    max-width:640px;
  }
  .lede{
    font-size:1.02rem;color:var(--ink-soft);max-width:600px;margin-top:14px;
  }

  .content {
        padding: 64px 0
    }

    .content-grid {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 260px;
        gap: 2rem;
        /* CRITICAL: Must remain visible/clip-free so sticky children calculate correctly */
        overflow: visible;
    }
.toc {
    position: sticky;
    top: 2rem;
    border: 1px solid var(--line-soft);
    background: var(--panel);
    padding: 20px;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    align-self: start;
    
}

.toc strong {
    font-family: var(--mono);
    font-size: .8rem;
    color: var(--cyan)
}

.toc a {
    display: block;
    color: var(--label);
    font-size: .82rem;
    text-decoration: none;
    margin-top: 9px
}

.toc a:hover {
    color: var(--cyan)
}

.prose {
    max-width: 820px
}

.prose h2 {
    font-family: var(--mono);
    font-size: 1.25rem;
    margin: 38px 0 12px;
    color: var(--ink)
}

.prose h3 {
    font-family: var(--mono);
    font-size: 1rem;
    margin: 26px 0 8px;
    color: var(--cyan)
}

.prose p,
.prose li {
    color: var(--ink-soft);
    font-size: .95rem
}

.prose p {
    margin: 0 0 14px
}

.prose ul,
.prose ol {
    margin: 0 0 18px;
    padding-left: 22px
}

.prose li {
    margin: 7px 0
}

.callout {
    margin: 22px 0;
    padding: 18px 20px;
    border: 1px solid var(--line);
    background: rgba(15, 52, 96, .35);
    border-radius: var(--radius)
}

.callout.warning {
    border-color: rgba(255, 170, 0, .35);
    background: rgba(255, 170, 0, .06)
}

.callout strong {
    font-family: var(--mono);
    color: var(--ink)
}
.card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin-top: 28px
}

.info-card {
    border: 1px solid var(--line-soft);
    background: var(--bg);
    padding: 24px
}

.info-card h3 {
    font-family: var(--mono);
    font-size: 1rem;
    margin: 0 0 8px
}

.info-card p {
    color: var(--ink-soft);
    font-size: .9rem
}

.info-card a {
    color: var(--cyan)
}

.plain-link {
    color: var(--cyan);
    word-break: break-word
}

.legal-loader {
    background: #0d0f18;
    border: 1px solid var(--line-soft);
    padding: 24px;
    min-height: 260px;
    overflow: auto
}

.legal-loader pre {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    margin: 0;
    font-family: var(--mono);
    font-size: .78rem;
    line-height: 1.65;
    color: var(--ink-soft)
}

.loader-status {
    font-family: var(--mono);
    font-size: .8rem;
    color: var(--label);
    margin-bottom: 14px
}

  /* buttons */
  .btn{
    font-family:var(--mono);font-weight:600;font-size:.92rem;
    padding:13px 22px;border-radius:var(--radius);border:1px solid transparent;
    cursor:pointer;display:inline-flex;align-items:center;gap:9px;
    text-decoration:none;transition:background-color .15s ease,border-color .15s ease,transform .1s ease;
    white-space:nowrap;
  }
  .btn:active{transform:translateY(1px);}
  .btn-signal{background:var(--signal);color:#fff;}
  .btn-signal:hover{background:var(--signal-hov);}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-soft);}
  .btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);}
  .btn-block{width:100%;justify-content:center;}

  /* nav */
  .nav{
    position:sticky;top:0;z-index:100;
    background:rgba(18,18,28,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line-soft);
  }
  .nav__row{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap: 20px}
  .nav__brand{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-weight:600;font-size:1rem;letter-spacing:.02em;text-decoration:none;color:var(--ink);}
  .dot{width:8px;height:8px;background:var(--ok);border-radius:50%;box-shadow:0 0 8px var(--ok);display: inline-block}
  .nav__links{display:flex;align-items:center;gap:30px;font-family:var(--mono);font-size:.86rem;}
  .nav__links a{text-decoration:none;color:var(--label);transition:color .15s ease;}
  .nav__links a:hover{color:var(--cyan);}
  .nav__links a.btn-signal{display:none;color:#fff;}
  .nav__links a.btn-signal:hover{color:#fff;background:var(--signal-hov);}
  .nav__right{display:flex;align-items:center;gap:14px;}
  .account-btn{
    display:inline-flex;align-items:center;justify-content:center;flex:none;
    width:38px;height:38px;border:1px solid var(--line-soft);border-radius:50%;
    color:var(--label);transition:border-color .15s ease,color .15s ease;
  }
  .account-btn:hover{border-color:var(--cyan);color:var(--cyan);}
  .account-btn svg{width:18px;height:18px;}
  .nav__toggle{display:none;background:none;border:1px solid var(--line-soft);border-radius:var(--radius);color:var(--ink);width:38px;height:38px;cursor:pointer;}
  .nav__toggle span{display:block;width:16px;height:2px;background:var(--ink);margin:3px auto;}

  @media (max-width:820px){
    .nav__links{
      position:absolute;top:64px;left:0;right:0;
      flex-direction:column;align-items:flex-start;gap:0;
      background:var(--bg);border-bottom:1px solid var(--line-soft);
      max-height:0;overflow:hidden;transition:max-height .25s ease;
    }
    .nav__links.is-open{max-height:480px;}
    .nav__links a{width:100%;padding:14px 28px;border-top:1px solid var(--line-soft);}
    .nav__toggle{display:block;}
    .nav__right .btn-signal{display:none;}
    .nav__links a.btn-signal{display:inline-flex;width:auto;margin:14px 28px;}
  }

  /* hero */
  .hero{
    position:relative;overflow:hidden;
    padding:76px 0 96px;
    background:
      radial-gradient(ellipse at 20% -10%, rgba(0,212,255,.10), transparent 55%),
      radial-gradient(ellipse at 100% 10%, rgba(233,69,96,.08), transparent 45%),
      var(--void);
  }
  .hero__wave{position:absolute;inset:0;opacity:.14;pointer-events:none;}
  .hero__grid{
    display:grid;grid-template-columns:1fr;gap:52px;position:relative;
  }
  @media (min-width:960px){
    .hero__grid{grid-template-columns:1.02fr 1fr;align-items:center;}
  }
  .hero__cta{display:flex;align-items:center;gap:14px;margin-top:30px;flex-wrap:wrap;}
  .hero__fineprint{font-family:var(--mono);font-size:.78rem;color:var(--label);margin-top:16px;letter-spacing:.02em;}

  /* instrument panel mockup */
  .panel-mock{
    background:var(--panel);
    border:1px solid var(--cyan);
    border-radius:var(--radius);
    box-shadow:0 0 0 1px rgba(0,212,255,.05), 0 30px 70px -20px rgba(0,0,0,.6), 0 0 60px -25px rgba(0,212,255,.35);
    overflow:hidden;
  }
  .panel-mock__titlebar{
    display:flex;align-items:center;gap:10px;
    padding:11px 14px;background:#12182c;border-bottom:1px solid var(--line-soft);
  }
  .panel-mock__dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok);animation:pulse 2.4s ease-in-out infinite;flex:none;}
  .panel-mock__title{font-family:var(--mono);font-size:.78rem;font-weight:600;letter-spacing:.06em;color:var(--label);}
  .panel-mock__indicators{margin-left:auto;display:flex;gap:8px;font-family:var(--mono);font-size:.7rem;color:var(--cyan-dim);}
  .panel-mock__indicators span{border:1px solid var(--line);padding:2px 5px;border-radius:2px;}
  .panel-mock__status{
    font-family:var(--mono);font-size:.78rem;color:var(--ok);
    padding:10px 16px 0;display:flex;align-items:center;gap:8px;
  }
  .panel-mock__status small{color:var(--label);font-weight:400;}
  .panel-mock__grid{
    display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:14px 16px 18px;
  }
  .readout{background:var(--display);border:1px solid rgba(0,212,255,.18);border-radius:2px;padding:12px 12px 10px;text-align:right;}
  .readout__value{
    display:block;font-family:var(--mono);font-weight:600;font-size:clamp(1.2rem,2.4vw,1.5rem);
    color:var(--cyan);font-variant-numeric:tabular-nums;letter-spacing:-.01em;
  }
  .readout__label{display:block;text-align:center;font-family:var(--mono);font-size:.72rem;color:var(--label);margin-top:8px;}
  .panel-mock__footer{
    display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;
    padding:0 16px 16px;font-family:var(--mono);font-size:.7rem;color:var(--label);
  }

  @keyframes pulse {
    0% {
      opacity: 1;
      transform: scale(1);
    }
    50% {
      opacity: 0.4;
      transform: scale(0.96);
    }
    100% {
      opacity: 1;
      transform: scale(1);
    }
  }
  
  .readout--active {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    will-change: transform, opacity;
  }
  /* generic section rhythm */
  .section{padding:96px 0;border-top:1px solid var(--line-soft);}
  .section--tight{padding-top:0;border-top:none;}

  /* reveal on scroll — visible by default; JS opts in to the animated version so
     content never depends on script execution to be seen */
  .reveal{opacity:1;}
  .js-ready .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease;}
  .js-ready .reveal.is-visible{opacity:1;transform:none;}

  /* features grid */
  .features__head{display:flex;flex-direction:column;margin-bottom:44px;}
  .features__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;}
  @media (max-width:900px){.features__grid{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:620px){.features__grid{grid-template-columns:1fr;}}
  .fcard{background:var(--bg);padding:28px 24px;}
  .fcard__icon{width:30px;height:30px;color:var(--cyan);margin-bottom:18px;}
  .fcard__title{font-family:var(--mono);font-weight:600;font-size:1rem;color:var(--ink);margin-bottom:9px;}
  .fcard__body{font-size:.92rem;color:var(--ink-soft);}

  /* spotlight */
  .spotlight{background:var(--bg);}
  .spotlight__grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
  @media (min-width:900px){.spotlight__grid{grid-template-columns:1.1fr .9fr;}}
  .mailmock{background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;font-family:var(--mono);font-size:.82rem;}
  .mailmock__row{padding:16px 18px;display:flex;gap:12px;}
  .mailmock__row + .mailmock__row{border-top:1px solid var(--line-soft);}
  .mailmock__who{flex:none;width:96px;color:var(--label);}
  .mailmock__who.you{color:var(--label);}
  .mailmock__who.app{color:var(--cyan);}
  .mailmock__body{color:var(--ink-soft);}
  .mailmock__body b{color:var(--ink);font-weight:600;}
  .mailmock__subject{color:var(--warn);}

  /* screenshots */
  .screenshots__head{display:flex;flex-direction:column;margin-bottom:44px;}
  .screenshots__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
  @media (max-width:760px){.screenshots__grid{grid-template-columns:1fr;}}
  .screenshot-card{
    background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);
    overflow:hidden;box-shadow:0 16px 40px -24px rgba(0,0,0,.7);
  }
  .screenshot-card a{display:block;background:#0f1220;}
  .screenshot-card img{
    width:100%;height:auto;display:block;
    aspect-ratio:16/10;object-fit:contain;
    background:#0f1220;
  }
  .screenshot-card__caption{padding:18px 20px 20px;}
  .screenshot-card__title{font-family:var(--mono);font-weight:600;font-size:1rem;margin-bottom:6px;color:var(--ink);}
  .screenshot-card__body{font-size:.88rem;color:var(--ink-soft);}
  .screenshot-note{margin-top:22px;font-family:var(--mono);font-size:.76rem;color:var(--label);}

  /* how it works */
  .how__list{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:44px;}
  @media (max-width:820px){.how__list{grid-template-columns:1fr;gap:28px;}}
  .step{border-top:1px solid var(--cyan);padding-top:18px;}
  .step__num{font-family:var(--mono);font-weight:700;color:var(--cyan-dim);font-size:.85rem;letter-spacing:.05em;}
  .step__title{font-family:var(--mono);font-weight:600;font-size:1.05rem;margin:10px 0 8px;}
  .step__body{color:var(--ink-soft);font-size:.94rem;}
  .safety-note{margin-top:40px;padding-top:20px;border-top:1px dashed var(--line-soft);font-size:.82rem;color:var(--label);max-width:720px;}

  /* platforms */
  .platforms{padding:56px 0;border-top:1px solid var(--line-soft);}
  .platforms__row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:center;}
  .badge{
    font-family:var(--mono);font-size:.82rem;font-weight:600;letter-spacing:.03em;
    border:1px solid var(--line-soft);border-radius:var(--radius);padding:11px 18px;color:var(--ink-soft);
  }
  .platforms__note{text-align:center;color:var(--label);font-size:.8rem;margin-top:18px;font-family:var(--mono);}

  /* pricing */
  .pricing__card{
    max-width:560px;margin:44px auto 0;background:var(--panel);border:1px solid var(--cyan);
    border-radius:var(--radius);padding:38px 34px;box-shadow:0 0 60px -30px rgba(0,212,255,.4);
  }
  .pricing__top{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:10px;border-bottom:1px solid var(--line-soft);padding-bottom:22px;margin-bottom:22px;}
  .pricing__name{font-family:var(--mono);font-weight:600;font-size:1.1rem;}
  .pricing__price{font-family:var(--mono);font-weight:700;font-size:2.1rem;color:var(--cyan);}
  .pricing__price span{font-size:.9rem;color:var(--label);font-weight:500;margin-left:6px;}
  .pricing__list{display:flex;flex-direction:column;gap:13px;margin-bottom:28px;}
  .pricing__list li{display:flex;gap:11px;font-size:.92rem;color:var(--ink-soft);}
  .pricing__list li svg{flex:none;width:17px;height:17px;color:var(--ok);margin-top:2px;}
  .pricing__fine{text-align:center;font-size:.78rem;color:var(--label);margin-top:16px;font-family:var(--mono);}

  /* faq */
  .faq__list{margin-top:40px;max-width:760px;}
  .faq__item{border-bottom:1px solid var(--line-soft);}
  .faq__item summary{
    cursor:pointer;list-style:none;padding:20px 4px;
    display:flex;align-items:center;gap:12px;
    font-family:var(--mono);font-weight:500;font-size:.96rem;color:var(--ink);
  }
  .faq__item summary::-webkit-details-marker{display:none;}
  .faq__item summary::before{content:"$";color:var(--cyan);font-weight:700;flex:none;}
  .faq__item summary .chev{margin-left:auto;color:var(--label);transition:transform .2s ease;font-family:var(--mono);}
  .faq__item[open] summary .chev{transform:rotate(45deg);}
  .faq__item p{padding:0 4px 22px 26px;color:var(--ink-soft);font-size:.92rem;max-width:640px;}

  /* contact form */
  .contact-form{margin-top:36px;background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);padding:32px;}
  .form-group{margin-bottom:20px;}
  .form-group label{display:block;font-family:var(--mono);font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--label);margin-bottom:8px;}
  .form-group input,.form-group textarea{
    width:100%;background:var(--display);border:1px solid var(--line);border-radius:2px;
    color:var(--ink);font-family:var(--sans);font-size:.95rem;padding:11px 12px;
    transition:border-color .15s ease;
  }
  .form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--cyan);}
  .form-group textarea{resize:vertical;min-height:110px;}
  .hp-field{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden;}
  .cf-turnstile{margin-bottom:20px;}
  #form-status{margin-top:14px;font-family:var(--mono);font-size:.85rem;color:var(--ok);min-height:1.2em;}
  #submit-button:disabled{cursor:wait;opacity:.6;}

  /* Override intl-tel-input variables for dark mode */
  .iti {
    --iti-dropdown-bg: #1a1a2e; /* Matches your site's dark theme */
    --iti-text-color: #e2e8f0;
    
    /* Hover and active states for the dropdown list items */
    --iti-hover-color: #2a2a4e; 
    --iti-selected-color: #3a3a6e;
    
    /* Border colors */
    --iti-border-color: rgba(255, 255, 255, 0.15);
    
    /* Dial code text color */
    --iti-dialcode-color: #a0aec0;
  }
  
  /* Target the dropdown specifically to add a subtle shadow, and match the site's dark theme */
  .iti__country-list {
    background-color: var(--panel) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 4px;
    color: #e6edf3 !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5) !important;
  }
  
  /* Adjust the input field itself to inherit your form styling */
  .iti input[type="tel"] {
    background-color: transparent; 
    color: #ffffff;
  }

  /* intl-tel-input Dark Theme Overrides */
  
  
  /* Country names in the dropdown list */
  .iti__country-name {
    color: #e6edf3 !important;
  }
  
  /* Dial code text (+1, +44, etc.) in the dropdown list */
  .iti__dial-code {
    color: var(--cyan) !important;
    font-family: var(--mono);
  }
  
  /* Hover and highlight states for items in the dropdown list */
  .iti__country.iti__highlight,
  .iti__country:hover {
    background-color: rgba(0, 229, 255, 0.15) !important;
  }
  
  /* Selected dial code text inside the input box */
  .iti__selected-dial-code {
    color: #e6edf3 !important;
    font-family: var(--mono);
  }
  
  /* Background hover state for the selected country button */
  .iti__selected-country:hover,
  .iti__selected-country:focus-visible {
    background-color: rgba(255, 255, 255, 0.08) !important;
  }

  /* footer */
  .site-footer{border-top:1px solid var(--line-soft);padding:40px 0;}
  .footer__row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:flex-start;}
  .footer__brand{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-weight:600;color:var(--label);font-size:.88rem;}
  .footer__brand .dot{width:7px;height:7px;background:var(--cyan-dim);border-radius:50%;}
  .footer__meta{font-family:var(--mono);font-size:.76rem;color:var(--label);line-height:1.8;text-align:right;}
  .footer__meta a{color:var(--cyan-dim);text-decoration:none;}
  .footer__meta a:hover{color:var(--cyan);}
  @media (max-width:620px){.footer__meta{text-align:left;}}

  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
    html{scroll-behavior:auto;}
  }