:root{
  color-scheme: light;
  --bg:#f6f3ec;
  --bg-soft:#fffaf0;
  --card:#ffffff;
  --ink:#17231f;
  --muted:#66716d;
  --line:#e3dccc;
  --accent:#17634f;
  --accent-2:#d7a847;
  --accent-soft:#e8f3ee;
  --danger:#9b3d34;
  --shadow:0 18px 60px rgba(23,35,31,.10);
  --radius:24px;
  --radius-sm:16px;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
:root.dark{
  color-scheme: dark;
  --bg:#0d1412;
  --bg-soft:#101c18;
  --card:#14211d;
  --ink:#edf5f1;
  --muted:#a8b5af;
  --line:#2a3d36;
  --accent:#61c7a4;
  --accent-2:#e0bd70;
  --accent-soft:#1e342d;
  --danger:#ef9a90;
  --shadow:0 18px 60px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;color:var(--ink);background:radial-gradient(circle at top right, rgba(215,168,71,.20), transparent 30rem),var(--bg);line-height:1.55;min-height:100vh}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}.hero{padding:16px clamp(16px,4vw,40px) 36px}.topbar{max-width:1180px;margin:0 auto 20px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;gap:12px;align-items:center}.brand-mark{width:44px;height:44px;flex:0 0 44px;display:block;filter:drop-shadow(0 10px 22px rgba(23,99,79,.18))}.brand-word{display:flex;flex-direction:column;gap:0;line-height:.92;font-family:Georgia,"Times New Roman",serif;font-weight:800;letter-spacing:-.035em;font-size:1.38rem;color:var(--ink)}.brand-word span:first-child{font-style:italic;font-weight:700;color:var(--accent);font-size:.82em;letter-spacing:-.02em}.brand-word span:last-child{font-size:1.05em}
.hero-card{max-width:1180px;margin:0 auto;padding:clamp(22px,5vw,56px);border-radius:calc(var(--radius) + 10px);background:linear-gradient(135deg, rgba(255,255,255,.86), rgba(255,250,240,.76));border:1px solid rgba(255,255,255,.65);box-shadow:var(--shadow);position:relative;overflow:hidden}.dark .hero-card{background:linear-gradient(135deg, rgba(20,33,29,.92), rgba(16,28,24,.82));border-color:var(--line)}
.hero-card:after{content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle, rgba(23,99,79,.18), transparent 68%);pointer-events:none}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;font-weight:800;color:var(--accent);margin:0 0 8px}.hero h1{font-size:clamp(2.1rem,7vw,5rem);line-height:.98;margin:0 0 18px;max-width:850px}.lead{font-size:clamp(1rem,2.5vw,1.25rem);max-width:760px;color:var(--muted);margin:0 0 22px}.result-pill{display:flex;gap:12px;align-items:center;justify-content:space-between;max-width:520px;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:12px 16px 12px 20px;box-shadow:0 10px 30px rgba(23,35,31,.06);margin-bottom:18px}.result-pill span{color:var(--muted);font-size:.92rem}.result-pill strong{font-size:clamp(1.25rem,5vw,2rem);color:var(--accent)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.primary-btn,.secondary-btn,.ghost-btn{border:0;border-radius:999px;min-height:46px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;font-weight:800}.primary-btn{background:var(--accent);color:white;box-shadow:0 10px 24px rgba(23,99,79,.22)}.secondary-btn{background:var(--accent-soft);color:var(--accent)}.ghost-btn{background:transparent;border:1px solid var(--line);color:var(--ink)}
.layout{max-width:1180px;margin:0 auto;padding:0 clamp(16px,4vw,40px) 60px;display:grid;grid-template-columns:330px minmax(0,1fr);gap:22px;align-items:start}.summary-card{position:sticky;top:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.summary-card>strong{display:block;font-size:2.35rem;line-height:1;color:var(--accent);margin:4px 0 10px}.summary-card>span{display:block;color:var(--muted);font-size:.94rem}.summary-grid{display:grid;grid-template-columns:1fr;gap:10px;margin:18px 0}.summary-grid div{border:1px solid var(--line);border-radius:14px;padding:12px;background:var(--bg-soft)}.summary-grid small{display:block;color:var(--muted);font-weight:700}.summary-grid b{font-size:1.15rem}.small-note,.source-note{font-size:.9rem;color:var(--muted)}.form-stack{display:flex;flex-direction:column;gap:14px}.intro-note,.warning-note{border:1px solid var(--line);background:var(--accent-soft);border-radius:var(--radius-sm);padding:14px 16px;color:var(--ink)}.warning-note{border-color:rgba(155,61,52,.28);color:var(--danger);background:rgba(155,61,52,.08);grid-column:1/-1}.calc-section{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 28px rgba(23,35,31,.05);overflow:hidden}.calc-section summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px;font-weight:850;cursor:pointer}.calc-section summary::-webkit-details-marker{display:none}.calc-section summary:before{content:"+";width:28px;height:28px;flex:0 0 28px;border-radius:50%;background:var(--accent-soft);display:grid;place-items:center;color:var(--accent);font-weight:900}.calc-section[open] summary:before{content:"–"}.calc-section summary span{flex:1}.calc-section summary b{color:var(--accent);white-space:nowrap}.section-body{padding:0 20px 20px;display:flex;flex-direction:column;gap:12px}.compact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:12px}.field-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(118px,170px);align-items:center;gap:14px;padding:14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg-soft)}.field-row>div{min-width:0}.field-row label{font-weight:760;display:block}.field-row small{display:block;color:var(--muted);font-size:.86rem;margin-top:2px}.split-card{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:12px}.split-card .field-row{grid-template-columns:1fr;align-items:start}money-input,number-input{display:block;min-width:0}.amount-control{display:flex;align-items:center;width:100%;border:1px solid var(--line);background:var(--card);border-radius:14px;overflow:hidden;min-height:48px}.amount-control input{min-width:0;width:100%;border:0;outline:0;background:transparent;text-align:right;padding:12px 10px;font-weight:800;font-size:1.02rem}.amount-control:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent)}.amount-control span{padding:0 12px;color:var(--muted);font-weight:800}.computed-line{grid-column:1/-1;display:flex;justify-content:space-between;gap:12px;align-items:center;background:var(--ink);color:var(--bg);border-radius:var(--radius-sm);padding:16px 18px}.computed-line b{font-size:1.2rem}.final-card{background:linear-gradient(135deg,var(--accent),#0f4c3d);color:white;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.final-card .eyebrow{color:#dff6ed}.final-card h2{font-size:clamp(2.4rem,10vw,4.4rem);line-height:1;margin:0 0 8px}.final-card p{color:rgba(255,255,255,.84)}.final-card .secondary-btn{background:rgba(255,255,255,.14);color:white}.notes{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;color:var(--muted)}.notes h2{color:var(--ink);margin-top:0;font-size:1.2rem}
@media (max-width:900px){.layout{grid-template-columns:1fr}.summary-card{position:relative;top:auto;order:2}.form-stack{order:1}.compact-grid,.split-card{grid-template-columns:1fr}.hero{padding-top:12px}.hero-card{padding:24px 18px}.result-pill{border-radius:20px;align-items:flex-start;flex-direction:column}.result-pill strong{font-size:2.1rem}}
@media (max-width:560px){.hero{padding-inline:10px}.layout{padding-inline:10px}.topbar{margin-bottom:12px}.brand{gap:9px}.brand-mark{width:40px;height:40px;flex-basis:40px}.brand-word{font-size:1.1rem}.ghost-btn{min-height:42px;padding-inline:14px}.field-row{grid-template-columns:1fr;gap:9px;padding:12px}.amount-control{min-height:52px}.calc-section summary{padding:15px 14px}.section-body{padding:0 12px 14px}.summary-card{padding:18px}.primary-btn,.secondary-btn,.ghost-btn{width:100%}.topbar .ghost-btn{width:auto}.hero-actions{display:grid;grid-template-columns:1fr;gap:10px}.final-card{padding:20px}.computed-line{align-items:flex-start;flex-direction:column}}
@media (prefers-reduced-motion:no-preference){.primary-btn,.secondary-btn,.ghost-btn,.calc-section{transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease}.primary-btn:hover,.secondary-btn:hover,.ghost-btn:hover{transform:translateY(-1px)}.calc-section:hover{border-color:color-mix(in srgb,var(--accent) 32%, var(--line))}}