:root{
  font-family:Inter,system-ui,sans-serif;
  --bg:#eef3e6;
  --paper:#f9fbf4;
  --line:#cbd8bc;
  --ink:#24301f;
  --muted:#5f6e57;
  --green:#466136;
  --green-dark:#2f4624;
  --sand:#d9c7a6;
}
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(180deg,#f4f8ef 0,#e8efdf 100%);color:var(--ink)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select{font:inherit}
.shell{max-width:1360px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:10;background:rgba(244,248,239,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 0}
.brand{display:grid;gap:4px}
.brand strong{font-family:Georgia,serif;font-size:32px;color:var(--green-dark)}
.brand span,nav a,.kicker,.lede,.small{color:var(--muted)}
nav{display:flex;gap:18px;flex-wrap:wrap}
nav a{font-weight:600}
main{padding:28px 0 40px}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:start}
.hero-copy{display:grid;gap:16px}
.eyebrow{display:inline-flex;width:max-content;padding:8px 12px;border-radius:999px;background:#dde7d2;border:1px solid var(--line);font-size:13px;font-weight:800;color:var(--green-dark)}
h1,h2,h3{margin:0}
h1{font-family:Georgia,serif;font-size:clamp(42px,5vw,74px);line-height:.98}
.lede{font-size:18px;max-width:680px}
.hero-card,.panel,.guide-card,.route-card,.table-card{background:rgba(249,251,244,.92);border:1px solid var(--line);border-radius:18px}
.hero-card img{border-radius:18px}
.planner{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding-top:24px}
.panel{padding:20px}
.panel h2{margin-bottom:10px}
.fields{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.field{display:grid;gap:7px}
.field label{font-weight:700;color:#394733}
.field input,.field select{padding:13px 14px;border-radius:12px;border:1px solid var(--line);background:white}
.actions{display:flex;gap:10px;flex-wrap:wrap;padding-top:12px}
.primary,.secondary{padding:12px 16px;border-radius:999px;border:1px solid var(--line);font-weight:700;cursor:pointer}
.primary{background:var(--green);border-color:var(--green);color:#f7fbf3}
.secondary{background:var(--paper)}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.stat{padding:18px;border-radius:14px;background:linear-gradient(180deg,#fbfcf8 0,#edf4e4 100%);border:1px solid #d5e0c9}
.stat span{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.stat strong{display:block;font-size:30px;color:var(--green-dark)}
.mixbox{padding:18px;border-radius:16px;background:#304228;color:#eef6e8}
.mixbox ul{margin:10px 0 0;padding-left:18px;display:grid;gap:8px}
.band{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-top:28px}
.guide-card,.route-card,.table-card{padding:18px}
.route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-top:26px}
.article{display:grid;gap:22px;max-width:1120px}
.data-table{width:100%;border-collapse:collapse}
.data-table th,.data-table td{padding:12px;border-bottom:1px solid #dfe7d5;text-align:left}
.data-table th{font-size:13px;color:var(--muted)}
.formula{padding:16px 18px;border-left:4px solid var(--green);background:#f2f7ea;border-radius:12px}
footer{background:#2d3927;color:#e7efe0}
.footer{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:22px 0}
@media(max-width:1100px){
  .hero,.planner,.band,.route-grid{grid-template-columns:1fr}
}
@media(max-width:760px){
  .topbar,.fields,.stats{grid-template-columns:1fr;display:grid}
  nav{gap:12px}
}