:root{
    --teal: #00829B;
    --teal-deep: #00626F;
    --teal-tint: #E6F3F5;
    --charcoal: #4C4C4C;
    --ink: #222526;
    --paper: #FFFFFF;
    --mist: #F7F9FA;
    --line: #E7ECEE;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    font-family:'Inter',sans-serif;
    color:var(--ink);
    background:var(--paper);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,.display{font-family:'Space Grotesk',sans-serif; font-weight:700; letter-spacing:-0.02em;}
  a{text-decoration:none; color:inherit;}
  .wrap{max-width:1180px; margin:0 auto; padding:0 32px;}
  .diamond{
    width:14px;height:14px; background:var(--teal);
    transform:rotate(45deg); display:inline-block;
  }
  .diamond.charcoal{background:var(--charcoal);}

  /* Nav */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(255,255,255,0.9); backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  nav{display:flex; align-items:center; justify-content:space-between; padding:20px 32px; max-width:1180px; margin:0 auto;}
  .logo{display:flex; align-items:center; gap:10px; font-weight:700; font-size:19px; font-family:'Space Grotesk';}
  .logo .mark{position:relative; width:28px; height:28px;}
  .logo .mark .d1{position:absolute; width:18px;height:18px; background:var(--teal); transform:rotate(45deg); top:2px; left:2px;}
  .logo .mark .d2{position:absolute; width:18px;height:18px; background:var(--charcoal); transform:rotate(45deg); bottom:0; right:0;}
  nav ul{list-style:none; display:flex; gap:36px; font-size:14.5px; font-weight:500;}
  nav ul a{color:var(--charcoal); transition:color .2s;}
  nav ul a:hover{color:var(--teal);}
  .btn{
    display:inline-flex; align-items:center; gap:8px;
    background:var(--teal); color:#fff; padding:11px 22px;
    border-radius:6px; font-weight:600; font-size:14.5px;
    transition:background .2s, transform .2s;
  }
  .btn:hover{background:var(--teal-deep); transform:translateY(-1px);}
  .btn-outline{background:transparent; color:var(--ink); border:1.5px solid var(--line);}
  .btn-outline:hover{border-color:var(--teal); color:var(--teal); background:transparent;}

  /* Hero */
  .hero{
    padding:100px 32px 90px; position:relative; overflow:hidden;
    background:linear-gradient(180deg, var(--mist) 0%, #fff 100%);
  }
  .hero-inner{max-width:1180px; margin:0 auto; display:grid; grid-template-columns:1.1fr 0.9fr; gap:60px; align-items:center;}
  .hero-centered{grid-template-columns:1fr; max-width:760px; text-align:center;}
  .hero-centered .hero-ctas{justify-content:center;}
  .hero-centered .hero-stats{justify-content:center;}
  .hero-centered p{margin-left:auto; margin-right:auto;}
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    background:var(--teal-tint); color:var(--teal-deep);
    padding:7px 14px; border-radius:20px; font-size:13px; font-weight:600;
    margin-bottom:24px;
  }
  .hero h1{font-size:52px; line-height:1.08; margin-bottom:22px; color:var(--ink);}
  .hero h1 span{color:var(--teal);}
  .hero p{font-size:17.5px; color:var(--charcoal); max-width:480px; margin-bottom:34px;}
  .hero-ctas{display:flex; gap:14px; margin-bottom:44px;}
  .hero-stats{display:flex; gap:40px; padding-top:28px; border-top:1px solid var(--line);}
  .hero-stats div strong{display:block; font-family:'Space Grotesk'; font-size:26px; color:var(--ink);}
  .hero-stats div span{font-size:13px; color:var(--charcoal);}

  /* Device mockup */
  .device-frame{
    background:var(--ink); border-radius:16px; padding:14px;
    box-shadow:0 30px 60px -20px rgba(0,0,0,0.25);
    position:relative;
  }
  .device-screen{
    background:#fff; border-radius:9px; overflow:hidden; min-height:380px;
  }
  .device-tabs{display:flex; gap:0; background:var(--mist); border-bottom:1px solid var(--line);}
  .device-tab{flex:1; text-align:center; padding:13px 8px; font-size:12.5px; font-weight:600; color:var(--charcoal); cursor:pointer; border-bottom:2px solid transparent;}
  .device-tab.active{color:var(--teal); border-bottom-color:var(--teal); background:#fff;}
  .device-body{padding:22px;}
  .device-row{display:flex; justify-content:space-between; align-items:center; padding:12px 0; border-bottom:1px solid var(--line); font-size:13.5px;}
  .device-row:last-child{border-bottom:none;}
  .pill{background:var(--teal-tint); color:var(--teal-deep); font-size:11px; font-weight:700; padding:3px 9px; border-radius:12px;}
  .bigstat{text-align:center; padding:26px 0;}
  .bigstat strong{font-family:'Space Grotesk'; font-size:38px; color:var(--teal);}
  .bigstat span{display:block; font-size:12.5px; color:var(--charcoal); margin-top:4px;}
  .floating-badge{
    position:absolute; bottom:-18px; left:-18px; background:#fff;
    border-radius:12px; padding:14px 18px; box-shadow:0 12px 30px -8px rgba(0,0,0,0.18);
    display:flex; align-items:center; gap:10px; font-size:13px; font-weight:600;
  }
  .floating-badge .dot{width:8px;height:8px; border-radius:50%; background:#2ecc71;}

  /* App dashboard hero visual */
  .dash-header{display:flex; justify-content:space-between; align-items:center; margin-bottom:18px;}
  .dash-header .dash-title{font-family:'Space Grotesk'; font-weight:700; font-size:15px; color:var(--ink);}
  .dash-header .dash-range{font-size:12px; color:var(--charcoal); background:var(--mist); padding:4px 10px; border-radius:20px;}
  .dash-kpis{display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-bottom:20px;}
  .dash-kpi{background:var(--mist); border-radius:10px; padding:14px 12px;}
  .dash-kpi span{display:block; font-size:11px; color:var(--charcoal); margin-bottom:6px;}
  .dash-kpi strong{font-family:'Space Grotesk'; font-size:19px; color:var(--ink);}
  .dash-kpi strong.up::after{content:' ▲'; color:#2ecc71; font-size:11px;}
  .dash-chart{
    background:var(--mist); border-radius:10px; padding:16px; margin-bottom:20px;
    display:flex; align-items:flex-end; gap:8px; height:100px;
  }
  .dash-bar{flex:1; background:linear-gradient(180deg, var(--teal), var(--teal-deep)); border-radius:4px 4px 0 0; opacity:.85;}
  .dash-bar.peak{opacity:1;}
  .dash-activity .dash-act-row{display:flex; align-items:center; gap:10px; padding:9px 0; border-bottom:1px solid var(--line); font-size:12.5px;}
  .dash-activity .dash-act-row:last-child{border-bottom:none;}
  .dash-act-dot{width:7px;height:7px;border-radius:50%; background:var(--teal); flex-shrink:0;}
  .dash-act-row span.time{margin-left:auto; color:var(--charcoal); font-size:11.5px;}

  /* Logo strip */
  .strip{padding:36px 32px; border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
  .strip-inner{max-width:1180px; margin:0 auto; display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:20px;}
  .strip-label{font-size:12.5px; color:var(--charcoal); text-transform:uppercase; letter-spacing:0.08em; font-weight:600;}
  .strip-items{display:flex; gap:36px; flex-wrap:wrap; font-family:'Space Grotesk'; font-weight:600; color:#b6bcbe; font-size:15px;}

  /* Benefits row */
  .benefits{padding:70px 32px 0;}
  .benefits-grid{max-width:1180px; margin:0 auto; display:grid; grid-template-columns:repeat(4,1fr); gap:20px;}
  .benefit{text-align:center; padding:8px;}
  .benefit .b-icon{width:38px;height:38px; margin:0 auto 14px; position:relative;}
  .benefit .b-icon .d1{position:absolute; width:22px;height:22px; background:var(--teal); transform:rotate(45deg); top:0; left:8px;}
  .benefit .b-icon .d2{position:absolute; width:22px;height:22px; background:var(--charcoal); transform:rotate(45deg); bottom:0; right:8px; opacity:.85;}
  .benefit h4{font-size:15.5px; margin-bottom:6px; font-family:'Space Grotesk';}
  .benefit p{font-size:13px; color:var(--charcoal); line-height:1.55;}

  /* Section header */
  .section{padding:100px 32px;}
  .section-head{max-width:640px; margin:0 auto 60px; text-align:center;}
  .section-head .eyebrow{margin-bottom:18px;}
  .section-head h2{font-size:38px; margin-bottom:14px;}
  .section-head p{color:var(--charcoal); font-size:16.5px;}

  /* Solutions grid */
  .solutions-grid{max-width:1180px; margin:0 auto; display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
  .sol-card{
    background:var(--mist); border:1px solid var(--line); border-radius:14px; padding:32px;
    transition:transform .25s, box-shadow .25s, border-color .25s;
  }
  .sol-card:hover{transform:translateY(-4px); box-shadow:0 20px 40px -20px rgba(0,0,0,0.15); border-color:var(--teal);}
  .sol-icon{width:44px;height:44px; position:relative; margin-bottom:20px;}
  .sol-icon .d1{position:absolute; width:26px;height:26px; background:var(--teal); transform:rotate(45deg); top:0; left:6px; opacity:.9;}
  .sol-icon .d2{position:absolute; width:26px;height:26px; background:var(--charcoal); transform:rotate(45deg); bottom:0; right:6px; opacity:.85;}
  .sol-card h3{font-size:18px; margin-bottom:10px;}
  .sol-card p{font-size:14px; color:var(--charcoal); line-height:1.65;}
  .sol-card .tag{display:inline-block; margin-top:16px; font-size:12.5px; font-weight:700; color:var(--teal);}

  .custom-callout{
    max-width:1180px; margin:32px auto 0; background:var(--teal-tint); border:1.5px dashed var(--teal);
    border-radius:14px; padding:30px 34px; display:flex; align-items:center; justify-content:space-between;
    gap:24px; flex-wrap:wrap;
  }
  .custom-callout h3{font-size:19px; margin-bottom:6px; color:var(--teal-deep);}
  .custom-callout p{font-size:14px; color:var(--charcoal); max-width:480px;}
  .custom-callout .btn{flex-shrink:0;}

  /* Testimonial */
  .testimonial{background:var(--ink); color:#fff; padding:100px 32px; text-align:center;}
  .testimonial blockquote{
    max-width:720px; margin:0 auto 28px; font-family:'Space Grotesk'; font-size:28px; line-height:1.4; font-weight:500;
  }
  .testimonial .who{color:#a9b0b2; font-size:14.5px;}
  .testimonial .who strong{color:#fff;}

  /* FAQ */
  .faq{max-width:760px; margin:0 auto;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    display:flex; justify-content:space-between; align-items:center;
    padding:24px 4px; cursor:pointer; font-weight:600; font-size:16px;
  }
  .faq-q .icon{width:20px;height:20px; position:relative; flex-shrink:0;}
  .faq-q .icon::before,.faq-q .icon::after{content:''; position:absolute; background:var(--teal); transition:transform .25s;}
  .faq-q .icon::before{width:14px; height:2px; top:9px; left:3px;}
  .faq-q .icon::after{width:2px; height:14px; left:9px; top:3px;}
  .faq-item.open .icon::after{transform:rotate(90deg); opacity:0;}
  .faq-a{max-height:0; overflow:hidden; transition:max-height .3s ease; font-size:14.5px; color:var(--charcoal); padding:0 4px;}
  .faq-item.open .faq-a{max-height:200px; padding-bottom:22px;}

  /* Contact */
  .contact-section{background:var(--mist);}
  .contact-grid{
    max-width:1000px; margin:0 auto; background:var(--paper); border-radius:20px; border:1px solid var(--line);
    display:grid; grid-template-columns:0.8fr 1.2fr; overflow:hidden;
    box-shadow:0 30px 60px -30px rgba(0,0,0,0.12);
  }
  .contact-info{background:var(--teal); color:#fff; padding:44px 36px; display:flex; flex-direction:column; gap:22px; justify-content:center;}
  .contact-info-row{display:flex; flex-direction:column; gap:4px;}
  .contact-info-row .ci-label{font-size:12px; text-transform:uppercase; letter-spacing:.08em; opacity:.8;}
  .contact-info-row a{color:#fff; font-weight:600; font-size:16px;}
  .contact-info-row span{font-weight:600; font-size:16px;}
  .contact-form{padding:44px 36px; display:flex; flex-direction:column; gap:16px;}
  .form-row{display:flex; flex-direction:column; gap:6px;}
  .form-row label{font-size:13px; font-weight:600; color:var(--charcoal);}
  .form-row input, .form-row textarea{
    font-family:'Inter',sans-serif; font-size:14.5px; padding:11px 14px; border:1.5px solid var(--line);
    border-radius:8px; background:var(--mist); color:var(--ink); resize:vertical;
  }
  .form-row input:focus, .form-row textarea:focus{outline:none; border-color:var(--teal); background:#fff;}
  .form-status{font-size:13.5px; text-align:center; min-height:18px; margin:0;}
  .form-status.success{color:#1a8a4a;}
  .form-status.error{color:#c0392b;}

  footer{background:var(--mist); border-top:1px solid var(--line); padding:56px 32px 32px;}
  .footer-inner{max-width:1180px; margin:0 auto; display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; margin-bottom:40px;}
  .footer-inner h4{font-size:13px; text-transform:uppercase; letter-spacing:.06em; color:var(--charcoal); margin-bottom:16px;}
  .footer-inner ul{list-style:none; font-size:14.5px; color:var(--ink);}
  .footer-inner li{margin-bottom:10px;}
  .footer-bottom{max-width:1180px; margin:0 auto; padding-top:24px; border-top:1px solid var(--line); font-size:13px; color:var(--charcoal); display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;}

  /* Mobile nav toggle */
  .nav-toggle{
    display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;
  }
  .nav-toggle span{width:22px; height:2px; background:var(--ink); border-radius:2px; transition:transform .25s, opacity .25s;}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle.open span:nth-child(2){opacity:0;}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  @media (max-width:860px){
    .hero-inner{grid-template-columns:1fr;}
    .hero h1{font-size:38px;}
    .solutions-grid{grid-template-columns:1fr;}
    .benefits-grid{grid-template-columns:1fr 1fr; gap:24px;}
    .footer-inner{grid-template-columns:1fr;}
    .contact-grid{grid-template-columns:1fr;}

    nav{position:relative;}
    .nav-toggle{display:flex;}
    nav ul{
      display:flex; flex-direction:column; gap:0; position:absolute; top:100%; left:0; right:0;
      background:var(--paper); border-bottom:1px solid var(--line);
      max-height:0; overflow:hidden; transition:max-height .3s ease;
    }
    nav ul.open{max-height:300px;}
    nav ul li{width:100%;}
    nav ul a{display:block; padding:16px 32px; border-bottom:1px solid var(--line);}
    nav .btn{display:none;}
  }