:root{
  --cream:#F4EFE4;
  --cream-deep:#EAE3D4;
  --sage:#8FA07C;
  --sage-soft:#C3CDB4;
  --copper:#A8814E;
  --deep:#46543C;
  --ink:#2E3728;
  --paper:#FBF9F5;
  --line:rgba(70,84,60,.14);
  --shadow:0 10px 30px rgba(70,84,60,.09);
  --radius:18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Heebo",system-ui,"Segoe UI",Arial,sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:"Frank Ruhl Libre","Heebo",Georgia,serif;font-weight:500;line-height:1.25;margin:0 0 .5em}
h1{font-size:clamp(2.4rem,7vw,3.6rem);letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,4vw,2.1rem)}
h3{font-size:1.12rem;font-weight:700;font-family:"Heebo",sans-serif}
p{margin:0 0 1em}
img{max-width:100%;height:auto;display:block}
a{color:var(--deep)}

/* ---------------- hero ---------------- */
.hero{
  background:
    radial-gradient(120% 90% at 50% -10%, #fff 0%, var(--cream) 55%, var(--cream-deep) 100%);
  border-bottom:1px solid var(--line);
  padding:clamp(2.5rem,7vw,4.5rem) 1.2rem clamp(3rem,8vw,5rem);
  text-align:center;
}
.hero-inner{max-width:760px;margin:0 auto}
.hero-logo{
  width:min(240px,52vw);height:auto;margin:0 auto 1.4rem;
  filter:drop-shadow(0 14px 28px rgba(70,84,60,.14));
}
.eyebrow{
  text-transform:none;letter-spacing:.22em;font-size:.78rem;color:var(--copper);
  margin:0 0 .3em;font-weight:500;
}
.lede{font-size:clamp(1rem,2.4vw,1.16rem);color:#54604a;max-width:34em;margin:0 auto 1.9rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}
.hero-note{margin-top:1.1rem;font-size:.9rem;color:#7b8570}

.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.85rem 1.6rem;border-radius:999px;text-decoration:none;
  font-weight:500;font-size:1rem;border:1.5px solid transparent;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease,color .15s ease;
}
.btn-primary{background:var(--deep);color:#fff;box-shadow:0 8px 20px rgba(70,84,60,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(70,84,60,.3)}
.btn-ghost{border-color:rgba(70,84,60,.28);color:var(--deep);background:rgba(255,255,255,.55)}
.btn-ghost:hover{background:#fff;transform:translateY(-2px)}
.btn-ico{font-size:1.05em;line-height:1}

/* ---------------- sections ---------------- */
.section{max-width:1120px;margin:0 auto;padding:clamp(2.6rem,6vw,4rem) 1.2rem}
.section>h2{text-align:center}
.section-sub{text-align:center;color:#6c7663;max-width:46em;margin:0 auto 2rem}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1.8rem}
.section-head h2{margin:0}

/* ---------------- formats ---------------- */
.formats{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));margin-top:1.6rem}
.format-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.4rem 1.3rem;box-shadow:var(--shadow);
}
.format-card h3{margin:.15rem 0 .4rem}
.format-card p{font-size:.93rem;color:#5d6753;margin:0}
.format-tag{
  display:inline-block;font-family:"Frank Ruhl Libre",serif;font-size:.82rem;letter-spacing:.12em;
  color:var(--copper);border:1px solid rgba(168,129,78,.35);border-radius:999px;padding:.05rem .7rem;
  margin-bottom:.5rem;
}

/* ---------------- variants ---------------- */
.bg-toggle{display:flex;gap:.4rem;background:rgba(70,84,60,.06);padding:.3rem;border-radius:999px}
.chip{
  border:0;background:transparent;color:#5d6753;font:inherit;font-size:.9rem;
  padding:.4rem 1rem;border-radius:999px;cursor:pointer;transition:.15s;
}
.chip:hover{color:var(--deep)}
.chip.is-active{background:#fff;color:var(--deep);box-shadow:0 2px 8px rgba(70,84,60,.12)}

.grid{display:grid;gap:1.2rem;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
}
.card-preview{
  display:flex;align-items:center;justify-content:center;
  min-height:210px;padding:1.6rem;transition:background .25s ease;
  background:#fff;
}
.card-preview img{max-height:170px;width:auto;max-width:100%}
body[data-bg="cream"] .card-preview:not(.fixed-dark):not(.fixed-light){background:var(--cream)}
body[data-bg="dark"]  .card-preview:not(.fixed-dark):not(.fixed-light){background:var(--deep)}
.card-preview.fixed-dark{background:var(--deep)}
.card-preview.fixed-light{background:var(--cream)}
.card-body{padding:1.1rem 1.25rem 1.35rem;border-top:1px solid var(--line);flex:1;display:flex;flex-direction:column}
.card-body h3{margin:0 0 .25rem}
.card-body p{font-size:.9rem;color:#5d6753;margin:0 0 .9rem;flex:1}
.dl{display:flex;flex-wrap:wrap;gap:.4rem}
.dl a{
  text-decoration:none;font-size:.82rem;font-weight:500;color:var(--deep);
  border:1px solid rgba(70,84,60,.22);border-radius:999px;padding:.25rem .8rem;
  transition:.15s;background:#fff;
}
.dl a:hover{background:var(--deep);color:#fff;border-color:var(--deep)}
.dl .png-group{display:flex;align-items:center;gap:.3rem;border:1px solid rgba(70,84,60,.22);border-radius:999px;padding:.18rem .55rem}
.dl .png-group span{font-size:.8rem;color:#7b8570}
.dl .png-group a{border:0;padding:.07rem .35rem;font-size:.8rem}

/* ---------------- colours ---------------- */
.swatches{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.swatch{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;
  cursor:pointer;text-align:right;padding:0;font:inherit;box-shadow:var(--shadow);
  transition:transform .15s ease;
}
.swatch:hover{transform:translateY(-3px)}
.swatch .chipcolor{height:110px}
.swatch .meta{padding:.85rem 1rem 1rem}
.swatch .name{font-weight:700;font-size:.98rem;margin:0 0 .15rem}
.swatch .hex{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9rem;color:var(--deep);margin:0;
  direction:ltr;unicode-bidi:isolate;text-align:right;
}
.swatch .sub{font-size:.78rem;color:#7b8570;margin:.25rem 0 0;line-height:1.5}
.swatch .sub .cmyk{display:block;direction:ltr;unicode-bidi:isolate;text-align:right}

/* ---------------- usage ---------------- */
.usage-row{display:grid;align-items:start;gap:1.2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin-bottom:2.4rem}
.usage-card{
  margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
}
.usage-card img{width:100%}
.usage-card figcaption{padding:1.1rem 1.25rem 1.35rem;border-top:1px solid var(--line)}
.usage-card p{font-size:.92rem;color:#5d6753;margin:0}
.do-title{text-align:center;margin-bottom:1.2rem}
.dos{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.do{margin:0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.do img{width:100%}
.do figcaption{padding:.7rem .85rem .9rem;font-size:.85rem;color:#5d6753;display:flex;gap:.45rem;align-items:flex-start}
.do.ok{border-color:rgba(143,160,124,.6)}
.mark{font-weight:700;line-height:1.5}
.ok-mark{color:#5f8a4e}
.no-mark{color:#b4553f}

/* ---------------- note ---------------- */
.note{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(1.4rem,4vw,2.2rem);box-shadow:var(--shadow);
}
.note h2{text-align:right;font-size:1.35rem}
.note p{font-size:.95rem;color:#5d6753}
.compare{display:grid;gap:1rem;grid-template-columns:1fr 1fr;margin:1.4rem 0}
.compare figure{margin:0;background:var(--cream);border-radius:14px;padding:1rem;text-align:center}
.compare img{margin:0 auto;height:250px;width:auto;object-fit:contain}
.compare figcaption{font-size:.82rem;color:#7b8570;margin-top:.6rem}
.caveats{margin:0;padding-inline-start:1.2rem;font-size:.9rem;color:#5d6753}
.caveats li{margin-bottom:.5rem}

/* ---------------- footer ---------------- */
.footer{
  text-align:center;padding:3rem 1.2rem 3.5rem;border-top:1px solid var(--line);
  background:var(--cream);margin-top:2rem;
}
.footer img{margin:0 auto .6rem;opacity:.9}
.footer p{margin:0;color:#5d6753}
.footer .small{font-size:.8rem;color:#8a9280;margin-top:.4rem}

/* ---------------- toast ---------------- */
.toast{
  position:fixed;inset-inline:0;bottom:1.4rem;margin:0 auto;width:max-content;max-width:90vw;
  background:var(--deep);color:#fff;padding:.6rem 1.3rem;border-radius:999px;font-size:.9rem;
  opacity:0;transform:translateY(12px);transition:.25s;pointer-events:none;z-index:50;
}
.toast.show{opacity:1;transform:translateY(0)}

@media (max-width:560px){
  .compare{grid-template-columns:1fr}
  .card-preview{min-height:170px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto}
}