/* Big Shoulders Display 800 -- self-hosted (SIL OFL, see fonts/OFL.txt).
   Self-hosted deliberately: index.html is served with font-src 'self'. */
  @font-face{
    font-family:"Big Shoulders Display";
    font-style:normal;
    font-weight:800;
    font-display:swap;
    src:url("fonts/big-shoulders-display-800-latin.woff2") format("woff2");
    unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
  }
  @font-face{
    font-family:"Big Shoulders Display";
    font-style:normal;
    font-weight:800;
    font-display:swap;
    src:url("fonts/big-shoulders-display-800-latin-ext.woff2") format("woff2");
    unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
  }

  :root{
    --green:#008c52;          /* cover banner emerald */
    --green-mid:#04713f;
    --green-deep:#044f2d;
    --green-darkest:#04371f;
    --gold:#d8c860;           /* cover author-box gold */
    --gold-deep:#9a851f;      /* gold that reads on light bg */
    --sage:#dce5e2;           /* cover back-cover panel */
    --sage-tint:#eef3f0;
    --paper:#ffffff;
    --ink:#26302a;
    --ink-soft:#4f5a52;
    --line:#d3ded7;
    --maxw:1120px;
    --sans:"Helvetica Neue",Helvetica,Arial,"Segoe UI",sans-serif;
    --display:"Big Shoulders Display","Arial Narrow",var(--sans);
    /* the masthead type ramp -- the mark shares it so the two stay locked */
    --h1-size:clamp(2rem,7.4vw,4.8rem);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--sans);
    color:var(--ink);
    background:var(--paper);
    line-height:1.65;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3{font-family:var(--sans);line-height:1.12;color:var(--green-mid);font-weight:800;}
  a{color:var(--green-mid);}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px;}

  /* ---------- HERO ---------- */
  .hero{
    background:var(--green-mid);
    color:#ffffff;
    padding:70px 0 62px;
    position:relative;
  }
  .hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:8px;background:var(--gold);}
  .hero .kicker{
    text-transform:uppercase;letter-spacing:.26em;font-size:.7rem;font-weight:700;
    color:rgba(255,255,255,.82);margin:0 0 22px;
  }
  .hero-head{display:flex;align-items:center;gap:clamp(13px,2.2vw,26px);}
  /* The art component of the ECT logo -- a CSS window onto icons/ECTlogo.webp
     (left 4.41%, top 2.09%, 91.18% x 55.38%), measured off the vector .ai.
     The file itself is untouched; delete these rules to get the whole badge back.
     Both dimensions are definite at every viewport: height is two of the h1's
     line boxes, width is that height times the art's own 188.74:202.14 ratio. */
  .hero-logo{
    flex:0 0 auto;
    font-size:var(--h1-size);
    height:1.88em;
    width:1.7554em;
    background-image:url("icons/ECTlogo.webp");
    background-repeat:no-repeat;
    background-size:109.673% 180.571%;
    background-position:50% 4.684%;
  }
  .hero h1{
    color:#fff;font-family:var(--display);font-weight:800;
    font-size:var(--h1-size);line-height:.94;
    letter-spacing:.012em;text-transform:uppercase;margin:0;
  }
  .subtitle{margin:22px 0 0;max-width:640px;}
  .subtitle .line{
    text-transform:uppercase;letter-spacing:.2em;font-weight:700;
    font-size:clamp(.78rem,1.7vw,1rem);color:var(--gold);
    padding:9px 0;border-top:1px solid rgba(216,200,96,.5);
  }
  .subtitle .line:last-child{border-bottom:1px solid rgba(216,200,96,.5);}
  .tagline{
    margin:30px 0 0;font-size:1.16rem;color:#eafff4;max-width:640px;font-weight:400;
  }
  .cta-row{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
  .btn{
    display:inline-block;padding:14px 28px;border-radius:4px;font-weight:800;
    text-decoration:none;font-size:.82rem;letter-spacing:.13em;text-transform:uppercase;
    transition:transform .12s ease,box-shadow .12s ease,background .12s ease;
  }
  .btn:hover{transform:translateY(-2px);}
  .btn-primary{background:var(--gold);color:#3f3606;box-shadow:0 6px 16px rgba(0,0,0,.22);}
  .btn-primary:hover{box-shadow:0 9px 22px rgba(0,0,0,.28);}
  .btn-ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.6);}
  .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1);}

  /* ---------- MAP CALLOUT ---------- */
  .mapnote{background:var(--green-deep);color:#dff3e8;text-align:center;padding:22px 26px;font-size:1.02rem;}
  .mapnote strong{color:#fff;}

  /* ---------- SECTIONS ---------- */
  section.block{padding:70px 0;border-bottom:1px solid var(--line);}
  section.block.sage{background:var(--sage);}
  .eyebrow{text-transform:uppercase;letter-spacing:.24em;font-size:.7rem;font-weight:800;color:var(--gold-deep);margin:0 0 12px;}
  section.block h2{
    font-size:clamp(1.5rem,3.3vw,2.2rem);margin:0 0 20px;text-transform:uppercase;letter-spacing:.05em;color:var(--green-mid);
  }
  section.block p{font-size:1.06rem;color:var(--ink-soft);margin:0 0 18px;}
  section.block p:last-child{margin-bottom:0;}
  .rule{width:66px;height:5px;background:var(--gold);border:0;margin:0 0 26px;border-radius:2px;}

  #overview {scroll-margin-top: 80px;}

  /* image + text split */
  .split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
  .split.rev .col-text{order:2;}
  .split.rev .col-media{order:1;}
  .col-media figure{margin:0;}
  .col-media img{
    width:100%;height:auto;display:block;border-radius:5px;
    box-shadow:0 16px 38px rgba(4,55,31,.22);
  }
  .col-media figcaption{
    font-size:.82rem;color:var(--ink-soft);margin-top:10px;font-style:italic;
    border-left:3px solid var(--gold);padding-left:10px;
  }
  .copy-narrow{max-width:760px;}

  /* ---------- BUY ---------- */
  .buy-grid{display:grid;grid-template-columns:290px 1fr;gap:48px;align-items:center;}
  .buy-grid .cover{width:100%;max-width:290px;border-radius:4px;box-shadow:0 16px 40px rgba(4,55,31,.28);display:block;}
  .buy-meta .price{font-size:2.1rem;color:var(--green-mid);font-weight:800;margin:4px 0 2px;}
  .buy-meta .release{font-size:.95rem;color:var(--ink-soft);margin:0 0 22px;}
  .buy-meta .flag {margin: 0 0 4px; color: var(--green-mid); font-weight: 700;}
  .features h3{
    text-transform:uppercase;letter-spacing:.15em;font-size:.8rem;color:#6f5e0d;margin:0 0 12px;font-weight:800;
  }
  .features ul{list-style:none;margin:0 0 26px;padding:0;columns:2;column-gap:34px;}
  .features li{margin:0 0 10px;padding-left:20px;position:relative;color:var(--ink-soft);font-size:.98rem;break-inside:avoid;}
  .features li::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;background:var(--green);border-radius:50%;}

  /* ---------- AUTHOR (gold card) ---------- */
  .author-card{
    background:var(--gold);border-radius:8px;padding:44px 46px;
    box-shadow:0 12px 30px rgba(154,133,31,.28);
    /* width: fit-content; */
  }
  .author-card .eyebrow{color:var(--green-deep);}
  .author-card h2{color:var(--green-darkest);}
  .author-card .rule{background:var(--green-deep);}
  .author-card p:not(.flag) {
    color: #403813;
  }
  .author-card .flag{font-weight:700;color:var(--green-darkest);font-size:1.08rem;margin-bottom:14px;}

  /* ---------- PARTNERS ---------- */
  .partners{background:var(--green-darkest);color:#d5e5db;padding:60px 0 34px;}
  .partners h2{color:#fff;text-align:center;font-size:1.4rem;text-transform:uppercase;letter-spacing:.14em;margin:0 0 10px;}
  .partners .intro{text-align:center;color:#a9c8b6;max-width:620px;margin:0 auto 46px;font-size:1rem;}
  .partner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
  .partner{text-align:center;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:30px 22px;}
  .partner .logo-plate{background:#fff;border-radius:6px;height:100px;display:flex;align-items:center;justify-content:center;padding:16px;margin-bottom:18px;}
  .partner .logo-plate a{display:inline-flex;align-items:center;justify-content:center;line-height:0;}
  .partner .logo-plate img{max-height:58px;max-width:100%;width:auto;height:auto;}
  .partner .logo-plate img:hover{transform: scale(1.05);}
  .partner h3{color:#fff;font-size:1.02rem;text-transform:uppercase;letter-spacing:.06em;margin:0 0 8px;}
  .partner p{color:#d3d3d3;font-size:.9rem;line-height:1.55;margin:0;}
  .partner a{color:#f5edb0;text-decoration:underline;text-decoration-thickness: 1px;text-underline-offset: 3px;}
  .partner a:hover,
  .partner a:focus-visible {
    color: #ffffff;
    text-decoration-thickness: 2px;
  }

  footer.foot{background:#022417;color:#7fa290;text-align:center;padding:26px;font-size:.85rem;}
  footer.foot a{color:#a9c8b6;}

  @media (max-width:860px){
    .split{grid-template-columns:1fr;gap:26px;}
    .split.rev .col-text{order:1;}
    .split.rev .col-media{order:2;}
    .col-media img{max-width:520px;margin:0 auto;}
    .buy-grid{grid-template-columns:1fr;justify-items:center;text-align:center;}
    .features ul{columns:1;text-align:left;display:inline-block;}
    .partner-grid{grid-template-columns:1fr;gap:20px;}
    .author-card{padding:34px 28px;}
  }