:root{
    --paper: #F3F6FB;
    --paper-deep: #E7EEF8;
    --ink: #1F2B3D;
    --ink-soft: #5C6B80;
    --green: #007AFF;
    --green-deep: #0040DD;
    --check: #34C759;
    --yellow: #F4C95D;
    --line: #D6E0EE;
    --white: #FFFFFF;
    --radius: 18px;
    --shadow: 0 18px 40px -22px rgba(31, 43, 61, 0.35);
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:'Inter', sans-serif;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,.display{
    font-family:'Fredoka', sans-serif;
    font-weight:600;
    letter-spacing:-0.01em;
  }
  a{color:inherit;}
  img{max-width:100%;display:block;}

  /* paper grain texture */
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    opacity:0.5;
    background-image:
      radial-gradient(circle at 1px 1px, rgba(46,43,38,0.035) 1px, transparent 0);
    background-size:14px 14px;
    z-index:0;
  }

  .wrap{
    max-width:1080px;
    margin:0 auto;
    padding:0 28px;
    position:relative;
    z-index:1;
  }

  /* ---------- Nav ---------- */
  nav.wrap{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-top:28px;
    padding-bottom:28px;
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    font-family:'Fredoka', sans-serif;
    font-weight:600;
    font-size:18px;
  }
  .brand .mark{
    width:34px;height:34px;border-radius:9px;
    background:var(--green);
    display:flex;align-items:center;justify-content:center;
    box-shadow:var(--shadow);
  }
  .brand .mark svg{width:18px;height:18px;}
  nav a.cta-small{
    font-size:14px;
    font-weight:600;
    padding:9px 18px;
    border-radius:999px;
    border:1.5px solid var(--ink);
    transition:transform .15s ease, background .15s ease, color .15s ease;
  }
  nav a.cta-small:hover{background:var(--ink); color:var(--paper); transform:translateY(-1px);}

  /* ---------- Hero ---------- */
  .hero{
    padding:36px 0 70px;
    display:flex;
    flex-direction:column;
    align-items:center;
    text-align:center;
    gap:38px;
  }
  .hero-copy{
    max-width:620px;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    font-weight:600;
    color:var(--green-deep);
    background:rgba(76,140,92,0.12);
    padding:6px 14px;
    border-radius:999px;
    margin-bottom:20px;
  }
  .eyebrow span.dot{width:6px;height:6px;border-radius:50%;background:var(--green);}
  .hero h1{
    font-size:clamp(34px, 4.6vw, 52px);
    line-height:1.15;
    margin:0 0 20px;
  }
  .hero h1 .underline{
    position:relative;
    white-space:nowrap;
  }
  .hero h1 .underline svg{
    position:absolute;
    left:0; bottom:-6px;
    width:100%;
    height:14px;
  }
  .hero p.lead{
    font-size:18px;
    line-height:1.75;
    color:var(--ink-soft);
    max-width:46ch;
    margin:0 auto;
  }
  .badges{
    display:flex;
    align-items:center;
    gap:16px;
    flex-wrap:wrap;
  }
  .appstore-badge{
    display:inline-flex;
    align-items:center;
    gap:10px;
    background:var(--ink);
    color:var(--paper);
    padding:12px 22px;
    border-radius:14px;
    font-weight:600;
    font-size:15px;
    box-shadow:var(--shadow);
    transition:transform .18s ease;
  }
  .appstore-badge:hover{transform:translateY(-2px);}
  .appstore-badge svg{width:22px;height:22px;flex:none;}
  .free-tag{
    font-size:13px;
    color:var(--ink-soft);
  }
  .meta-row{
    margin-top:30px;
    display:flex;
    gap:22px;
    flex-wrap:wrap;
    font-size:13px;
    color:var(--ink-soft);
  }
  .meta-row .item{display:flex; align-items:center; gap:6px;}
  .meta-row svg{width:15px;height:15px; opacity:.7;}

  /* ---------- Hero visual: living checklist ---------- */
  .hero-visual{
    display:flex;
    flex-direction:column;
    align-items:center;
  }
  .phone{
    width:280px;
    background:var(--ink);
    border-radius:46px;
    padding:14px;
    box-shadow:var(--shadow);
  }
  .phone .screen{
    background:var(--white);
    border-radius:34px;
    overflow:hidden;
    position:relative;
  }
  .phone .notch{
    position:absolute;
    top:0; left:50%;
    transform:translateX(-50%);
    width:120px; height:26px;
    background:var(--ink);
    border-radius:0 0 16px 16px;
    z-index:2;
  }
  .phone .statusbar{
    height:46px;
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    padding:0 22px 6px;
    font-size:12px;
    font-weight:600;
    color:var(--ink);
  }
  .phone .statusbar .icons{display:flex; align-items:center; gap:4px;}
  .phone .navbar{
    padding:2px 18px 14px;
  }
  .phone .navbar h3{
    margin:0;
    font-size:23px;
    color:var(--ink);
  }
  .phone .list{
    background:var(--paper);
    margin:0 12px 16px;
    border-radius:16px;
    overflow:hidden;
  }
  .check-item{
    display:flex;
    align-items:center;
    gap:12px;
    padding:13px 16px;
    background:var(--white);
    border-bottom:1px solid var(--line);
    cursor:pointer;
    user-select:none;
  }
  .check-item:last-child{border-bottom:none;}
  .box{
    width:22px;height:22px;
    border-radius:50%;
    border:2px solid #C7D2E2;
    flex:none;
    display:flex;align-items:center;justify-content:center;
    transition:background .15s ease, border-color .15s ease;
  }
  .box svg{width:12px;height:12px; opacity:0; transition:opacity .15s ease;}
  .check-item.done .box{background:var(--check); border-color:var(--check);}
  .check-item.done .box svg{opacity:1;}
  .check-item.done .label{color:var(--ink-soft); text-decoration:line-through;}
  .label{font-size:15px; font-weight:500; transition:color .15s ease;}
  .phone .addrow{
    display:flex;
    align-items:center;
    gap:10px;
    margin:0 28px 26px;
    color:var(--green);
    font-size:14px;
    font-weight:600;
  }
  .phone .addrow .plus{
    width:22px;height:22px;
    border-radius:50%;
    border:2px solid var(--green);
    display:flex;align-items:center;justify-content:center;
    font-size:14px;
    flex:none;
  }
  .hint{
    margin-top:18px;
    font-size:12px;
    color:var(--ink-soft);
    text-align:center;
  }

  /* ---------- Features ---------- */
  .section-head{
    text-align:center;
    max-width:560px;
    margin:0 auto 50px;
  }
  .section-head .eyebrow{margin-bottom:14px;}
  .section-head h2{font-size:clamp(26px,3.2vw,34px); margin:0 0 14px;}
  .section-head p{color:var(--ink-soft); font-size:16px; line-height:1.7; margin:0;}

  .features{
    padding:70px 0;
  }
  .grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:22px;
  }
  .card{
    background:var(--white);
    border-radius:var(--radius);
    padding:28px 24px;
    border:1px solid var(--line);
  }
  .card .icon{
    width:44px;height:44px;
    border-radius:12px;
    background:var(--paper-deep);
    display:flex;align-items:center;justify-content:center;
    margin-bottom:18px;
  }
  .card .icon svg{width:22px;height:22px; color:var(--green-deep);}
  .card h3{font-size:17px; margin:0 0 8px;}
  .card p{font-size:14.5px; line-height:1.7; color:var(--ink-soft); margin:0;}

  /* ---------- How it works ---------- */
  .how{
    padding:70px 0;
    background:var(--paper-deep);
    border-radius:32px;
    margin:0 28px;
  }
  .how .wrap{padding:60px 28px;}
  .steps{
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:24px;
    margin-top:10px;
  }
  .step{position:relative; padding-left:2px;}
  .step .num{
    font-family:'Fredoka', sans-serif;
    font-size:34px;
    font-weight:600;
    color:var(--green);
    opacity:.55;
    line-height:1;
    margin-bottom:10px;
  }
  .step h4{font-size:15.5px; margin:0 0 6px;}
  .step p{font-size:13.5px; color:var(--ink-soft); line-height:1.6; margin:0;}

  /* ---------- Theme strip ---------- */
  .themes{
    padding:70px 0;
    text-align:center;
  }
  .swatches{
    display:flex;
    justify-content:center;
    gap:14px;
    margin-top:32px;
    flex-wrap:wrap;
  }
  .swatch{
    width:46px;height:46px;
    border-radius:50%;
    border:3px solid var(--white);
    box-shadow:0 4px 14px -4px rgba(0,0,0,0.25);
  }

  /* ---------- Final CTA ---------- */
  .final-cta{
    padding:30px 0 100px;
    text-align:center;
  }
  .final-cta h2{font-size:clamp(26px,3.4vw,36px); margin:0 0 16px;}
  .final-cta p{color:var(--ink-soft); margin:0 0 30px; font-size:16px;}

  /* ---------- Footer ---------- */
  footer{
    padding:34px 0 50px;
    border-top:1px solid var(--line);
  }
  footer .wrap{
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:14px;
    font-size:13px;
    color:var(--ink-soft);
  }
  footer a{text-decoration:none; color:var(--ink-soft);}
  footer a:hover{color:var(--ink);}
  footer .links{display:flex; gap:20px; flex-wrap:wrap;}

  @media (max-width: 860px){
    .grid{grid-template-columns:1fr 1fr;}
    .steps{grid-template-columns:1fr 1fr;}
    .how{margin:0 16px;}
  }
  @media (max-width: 540px){
    .grid{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr;}
    .phone{width:100%; max-width:300px;}
  }