:root{
    --soil-dark:#1c2417;
    --field-green:#3f5632;
    --moss:#657a4a;
    --parchment:#f4ecd8;
    --parchment-2:#ece0c4;
    --ink:#241d15;
    --clay:#c1793d;
    --clay-deep:#8a4a26;
    --line:rgba(36,29,21,0.14);
    --line-dark:rgba(244,236,216,0.16);

    --font-display:'Fraunces', serif;
    --font-body:'Inter', sans-serif;
    --font-mono:'JetBrains Mono', monospace;

    --max:1180px;
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--parchment);
    color:var(--ink);
    font-family:var(--font-body);
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
  }
  img,svg{display:block;max-width:100%;}
  a{color:inherit;}

  @media (prefers-reduced-motion: reduce){
    *{animation:none !important; transition:none !important;}
  }

  .wrap{max-width:var(--max); margin:0 auto; padding:0 32px;}

  /* ---------- Field-row divider (signature element) ---------- */
  .rows{
    height:14px;
    width:100%;
    background:repeating-linear-gradient(
      90deg,
      var(--field-green) 0 34px,
      var(--moss) 34px 68px
    );
    background-size:68px 100%;
  }
  .rows.dark{
    background:repeating-linear-gradient(
      90deg,
      #2a3821 0 34px,
      #3a4c2c 34px 68px
    );
  }

  /* ---------- Header ---------- */
  header{
    position:sticky; top:0; z-index:40;
    background:var(--parchment);
    border-bottom:1px solid var(--line);
  }
  .nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:18px 32px; max-width:var(--max); margin:0 auto;
  }
  .brand{
    display:flex; align-items:center; gap:10px;
    font-family:var(--font-display);
    font-weight:600; font-size:1.28rem;
    letter-spacing:-0.01em;
    text-decoration:none;
  }
  .brand-mark{
    width:30px;height:30px;flex:none;
  }
  nav.links{display:flex; gap:30px; font-size:0.95rem; font-weight:500;}
  nav.links a{text-decoration:none; position:relative; padding:4px 0;}
  nav.links a::after{
    content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px;
    background:var(--clay); transform:scaleX(0); transform-origin:left;
    transition:transform .25s ease;
  }
  nav.links a:hover::after{transform:scaleX(1);}
  .nav-cta{
    font-family:var(--font-mono);
    font-size:0.78rem;
    text-decoration:none;
    background:var(--field-green);
    color:var(--parchment);
    padding:9px 16px;
    border-radius:3px;
    letter-spacing:0.02em;
  }
  .menu-btn{display:none;}

  /* ---------- Hero ---------- */
  .hero{
    padding:88px 0 70px;
    position:relative;
    overflow:hidden;
  }
  .hero .wrap{display:grid; grid-template-columns: 1.15fr 0.85fr; gap:56px; align-items:center;}
  .eyebrow{
    font-family:var(--font-mono);
    font-size:0.78rem;
    letter-spacing:0.12em;
    text-transform:uppercase;
    color:var(--clay-deep);
    display:flex; align-items:center; gap:10px;
    margin-bottom:22px;
  }
  .eyebrow::before{
    content:""; width:26px; height:1px; background:var(--clay-deep);
  }
  h1{
    font-family:var(--font-display);
    font-weight:600;
    font-size:clamp(2.4rem, 4.6vw, 3.9rem);
    line-height:1.04;
    letter-spacing:-0.015em;
    margin:0 0 22px;
  }
  h1 em{
    font-style:italic; font-weight:500; color:var(--field-green);
  }
  .hero p.lede{
    font-size:1.12rem;
    max-width:46ch;
    color:#4a4033;
    margin:0 0 34px;
  }
  .hero-ctas{display:flex; gap:14px; flex-wrap:wrap;}
  .btn{
    display:inline-flex; align-items:center; gap:8px;
    font-weight:600; font-size:0.95rem;
    text-decoration:none;
    padding:13px 24px;
    border-radius:3px;
    border:1px solid transparent;
    transition:transform .18s ease, background .18s ease;
  }
  .btn-primary{background:var(--ink); color:var(--parchment);}
  .btn-primary:hover{transform:translateY(-2px); background:var(--field-green);}
  .btn-ghost{border-color:var(--ink); color:var(--ink);}
  .btn-ghost:hover{transform:translateY(-2px); background:var(--ink); color:var(--parchment);}

  .hero-plot{
    position:relative;
    aspect-ratio:1/1.05;
    background:var(--field-green);
    border-radius:6px;
    overflow:hidden;
  }
  .hero-plot svg{width:100%; height:100%;}

  /* ---------- Section shells ---------- */
  section{padding:86px 0;}
  .section-head{
    display:flex; justify-content:space-between; align-items:flex-end;
    gap:20px; margin-bottom:48px; flex-wrap:wrap;
  }
  .section-head .tag{
    font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.1em;
    text-transform:uppercase; color:var(--clay-deep); margin-bottom:10px; display:block;
  }
  .section-head h2{
    font-family:var(--font-display); font-weight:600;
    font-size:clamp(1.8rem,3vw,2.5rem); margin:0; letter-spacing:-0.01em;
  }
  .section-head p{max-width:44ch; color:#4a4033; margin:0;}

  /* ---------- About ---------- */
  .about{background:var(--parchment-2);}
  .about .wrap{
    display:grid; grid-template-columns: 0.9fr 1.1fr; gap:64px; align-items:start;
  }
  .about-stats{
    display:grid; grid-template-columns:1fr 1fr; gap:0;
    border-top:1px solid var(--line);
  }
  .stat{
    padding:22px 0 22px 0;
    border-bottom:1px solid var(--line);
  }
  .stat:nth-child(odd){padding-right:20px; border-right:1px solid var(--line);}
  .stat:nth-child(even){padding-left:20px;}
  .stat .num{
    font-family:var(--font-display); font-size:2.1rem; font-weight:600; color:var(--field-green);
    display:block;
  }
  .stat .label{font-size:0.85rem; color:#5a5040;}
  .about-copy p{color:#3a3325; font-size:1.02rem;}
  .about-copy p + p{margin-top:16px;}

  /* ---------- Blog / Field Notes ---------- */
  .field-notes{background:var(--parchment);}
  .notes-grid{
    display:grid; grid-template-columns:repeat(3,1fr); gap:0;
    border-top:1px solid var(--line);
  }
  .note{
    padding:30px 26px 30px 0;
    border-bottom:1px solid var(--line);
    position:relative;
  }
  .notes-grid .note:not(:nth-child(3n)){
    border-right:1px solid var(--line);
    padding-right:26px;
  }
  .notes-grid .note:nth-child(3n){padding-left:26px;}
  .notes-grid .note:not(:nth-child(3n+1)){padding-left:26px;}
  .note .row-index{
    font-family:var(--font-mono); font-size:0.75rem; color:var(--clay-deep);
    letter-spacing:0.06em; margin-bottom:14px; display:block;
  }
  .note .season{
    display:inline-block; font-family:var(--font-mono); font-size:0.68rem;
    text-transform:uppercase; letter-spacing:0.08em;
    background:var(--field-green); color:var(--parchment);
    padding:3px 8px; border-radius:2px; margin-bottom:14px;
  }
  .note h3{
    font-family:var(--font-display); font-weight:600; font-size:1.32rem;
    margin:0 0 10px; line-height:1.25;
  }
  .note p{color:#4a4033; font-size:0.95rem; margin:0 0 18px;}
  .note .read{
    font-family:var(--font-mono); font-size:0.8rem; text-decoration:none;
    color:var(--ink); border-bottom:1px solid var(--ink); padding-bottom:2px;
  }
  .notes-more{text-align:center; margin-top:46px;}

  .notes-empty{
    border:1px dashed var(--line);
    border-radius:6px;
    padding:60px 40px;
    text-align:center;
    max-width:560px;
    margin:0 auto;
  }
  .notes-empty-icon{margin:0 auto 20px;}
  .notes-empty h3{
    font-family:var(--font-display); font-weight:600; font-size:1.3rem;
    margin:0 0 12px;
  }
  .notes-empty p{color:#4a4033; font-size:0.95rem; max-width:42ch; margin:0 auto 26px;}

  /* ---------- App section ---------- */
  .app-section{
    background:var(--soil-dark); color:var(--parchment);
  }
  .app-section .section-head h2{color:var(--parchment);}
  .app-section .section-head p{color:#c9c2ab;}
  .app-section .tag{color:#d99a5b;}

  .app-layout{
    display:grid; grid-template-columns: 0.85fr 1.15fr; gap:70px; align-items:center;
  }

  .phone{
    position:relative;
    width:270px; margin:0 auto;
    background:#0f140c;
    border-radius:34px;
    padding:14px;
    box-shadow:0 30px 60px rgba(0,0,0,0.45);
    border:1px solid #333c28;
  }
  .phone-screen{
    background:var(--parchment);
    border-radius:22px;
    color:var(--ink);
    overflow:hidden;
    min-height:490px;
    display:flex; flex-direction:column;
  }
  .phone-topbar{
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 18px 8px;
    font-family:var(--font-mono); font-size:0.68rem; color:#7a7157;
  }
  .phone-app-name{
    font-family:var(--font-display); font-weight:600; font-size:1.15rem;
    padding:6px 18px 14px;
    border-bottom:1px solid var(--line);
  }
  .phone-tabs{
    display:flex; border-bottom:1px solid var(--line);
  }
  .phone-tab{
    flex:1; text-align:center; font-family:var(--font-mono); font-size:0.66rem;
    text-transform:uppercase; letter-spacing:0.03em;
    padding:12px 4px; color:#8a8064; cursor:pointer; border-bottom:2px solid transparent;
    background:none; border-left:none; border-right:none; border-top:none;
  }
  .phone-tab.active{color:var(--field-green); border-bottom-color:var(--field-green); font-weight:700;}
  .phone-body{padding:18px; font-size:0.85rem; flex:1;}
  .phone-panel{display:none;}
  .phone-panel.active{display:block;}

  .converter-row{display:flex; gap:8px; margin-bottom:12px;}
  .converter-row input, .converter-row select{
    font-family:var(--font-mono); font-size:0.8rem;
    padding:9px 8px; border:1px solid var(--line); border-radius:4px;
    background:#fffdf7; width:100%;
  }
  .converter-result{
    margin-top:14px; padding:12px; background:var(--parchment-2);
    border-radius:4px; font-family:var(--font-mono); font-size:0.82rem;
  }
  .glossary-item{padding:10px 0; border-bottom:1px solid var(--line);}
  .glossary-item strong{font-family:var(--font-display); font-size:0.92rem;}
  .glossary-item p{margin:4px 0 0; font-size:0.78rem; color:#5a5040;}
  .note-pad textarea{
    width:100%; height:220px; border:1px solid var(--line); border-radius:4px;
    padding:10px; font-family:var(--font-body); font-size:0.83rem; resize:none;
    background:#fffdf7;
  }
  .note-pad .saved-tag{
    font-family:var(--font-mono); font-size:0.68rem; color:var(--field-green); margin-top:8px; display:block;
  }

  .app-copy .eyebrow{color:#d99a5b;}
  .app-copy .eyebrow::before{background:#d99a5b;}
  .app-copy h2{
    font-family:var(--font-display); font-weight:600;
    font-size:clamp(1.9rem,3.4vw,2.7rem); margin:0 0 20px; letter-spacing:-0.01em;
  }
  .app-copy > p{color:#c9c2ab; max-width:46ch; margin:0 0 34px; font-size:1.02rem;}

  .feature-list{list-style:none; margin:0 0 36px; padding:0; display:grid; gap:0;}
  .feature-list li{
    display:grid; grid-template-columns:56px 1fr; gap:18px;
    padding:20px 0; border-top:1px solid var(--line-dark);
  }
  .feature-list li:last-child{border-bottom:1px solid var(--line-dark);}
  .feature-num{font-family:var(--font-mono); color:#d99a5b; font-size:0.85rem; padding-top:2px;}
  .feature-list h4{margin:0 0 6px; font-family:var(--font-display); font-weight:600; font-size:1.08rem;}
  .feature-list p{margin:0; color:#b6ae94; font-size:0.92rem;}

  .privacy-strip{
    display:flex; gap:24px; flex-wrap:wrap;
    font-family:var(--font-mono); font-size:0.75rem; color:#9a9276;
    margin-bottom:34px;
  }
  .privacy-strip span{display:flex; align-items:center; gap:7px;}
  .privacy-strip span::before{content:"—"; color:#d99a5b;}

  .store-btn{
    display:inline-flex; align-items:center; gap:10px;
    background:var(--parchment); color:var(--ink);
    padding:12px 22px; border-radius:4px; text-decoration:none;
    font-weight:600; font-size:0.95rem;
  }
  .store-btn:hover{background:#d99a5b; color:var(--soil-dark);}

  .dev-status{
    display:flex; gap:14px; align-items:flex-start;
    background:rgba(217,154,91,0.1);
    border:1px solid rgba(217,154,91,0.35);
    border-radius:6px;
    padding:18px 20px;
    margin-bottom:22px;
  }
  .dev-dot{
    width:10px; height:10px; border-radius:50%;
    background:#d99a5b; margin-top:6px; flex:none;
    box-shadow:0 0 0 4px rgba(217,154,91,0.18);
  }
  .dev-status strong{
    display:block; font-family:var(--font-display); font-size:1rem;
    color:var(--parchment); margin-bottom:6px;
  }
  .dev-status p{margin:0; font-size:0.88rem; color:#b6ae94;}

  .empty-hint{
    font-size:0.8rem; color:#7a7157; padding-top:12px; font-style:italic;
  }

  /* ---------- Newsletter ---------- */
  .newsletter{
    background:var(--parchment-2);
    text-align:center;
  }
  .newsletter .wrap{max-width:640px;}
  .newsletter h2{font-family:var(--font-display); font-weight:600; font-size:2rem; margin:0 0 14px;}
  .newsletter p{color:#4a4033; margin:0 0 30px;}
  .subscribe{
    display:flex; gap:10px; max-width:440px; margin:0 auto;
  }
  .subscribe input{
    flex:1; padding:13px 16px; border:1px solid var(--ink); border-radius:3px;
    font-family:var(--font-body); font-size:0.95rem; background:var(--parchment);
  }
  .subscribe button{
    background:var(--ink); color:var(--parchment); border:none;
    padding:13px 22px; border-radius:3px; font-weight:600; cursor:pointer;
  }
  .subscribe button:hover{background:var(--field-green);}
  .form-note{font-family:var(--font-mono); font-size:0.75rem; color:#7a7157; margin-top:14px;}

  /* ---------- Footer ---------- */
  footer{background:var(--soil-dark); color:#a49c82; padding:56px 0 30px;}
  .footer-top{
    display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap;
    padding-bottom:40px; border-bottom:1px solid var(--line-dark); margin-bottom:24px;
  }
  .footer-brand{font-family:var(--font-display); color:var(--parchment); font-size:1.2rem; font-weight:600; margin-bottom:10px;}
  .footer-cols{display:flex; gap:64px; flex-wrap:wrap;}
  .footer-col h5{
    font-family:var(--font-mono); text-transform:uppercase; font-size:0.72rem;
    letter-spacing:0.08em; color:#8a8064; margin:0 0 14px;
  }
  .footer-col a{display:block; text-decoration:none; font-size:0.9rem; margin-bottom:10px; color:#c9c2ab;}
  .footer-col a:hover{color:var(--parchment);}
  .footer-bottom{
    display:flex; justify-content:space-between; font-size:0.8rem; color:#7a7157; flex-wrap:wrap; gap:10px;
  }

  /* ---------- Responsive ---------- */
  @media (max-width: 920px){
    .hero .wrap{grid-template-columns:1fr;}
    .hero-plot{order:-1; max-height:280px;}
    .about .wrap{grid-template-columns:1fr; gap:34px;}
    .notes-grid{grid-template-columns:1fr 1fr;}
    .notes-grid .note:nth-child(3n){border-left:1px solid var(--line);}
    .notes-grid .note:not(:nth-child(2n)){border-right:1px solid var(--line);}
    .app-layout{grid-template-columns:1fr;}
    .phone{order:-1;}
  }
  @media (max-width: 640px){
    nav.links{display:none;}
    .wrap{padding:0 20px;}
    .notes-grid{grid-template-columns:1fr;}
    .notes-grid .note{border-right:none !important; padding-left:0 !important; padding-right:0 !important;}
    .subscribe{flex-direction:column;}
    .footer-top{flex-direction:column;}
    .footer-bottom{flex-direction:column-reverse;}
  }