*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f4f1ea;color:#17232d}
a{color:#8a4f08}
img{max-width:100%;height:auto}
.inner,.wrap{max-width:1150px;margin:0 auto}
.wrap{padding:40px 5%}

/* Header */
.site-header{background:#111d25;color:#fff;border-bottom:2px solid #c4934d}
.site-header-inner{max-width:1150px;margin:0 auto;padding:14px 5%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-brand{min-width:0}
.site-brand a{display:block;color:#fff;text-decoration:none;font-weight:900;font-size:18px;line-height:1.1;white-space:nowrap}
.site-brand span{display:block;margin-top:5px;color:#c8d2d8;font-size:10px;letter-spacing:1.2px}
.site-nav{display:flex;align-items:center;gap:18px}
.site-nav a{color:#fff;text-decoration:none;font-size:13px;font-weight:700;white-space:nowrap}
.site-nav a:hover{text-decoration:underline}
.mobile-only{display:none}
.menu-button{background:#c4934d;color:#fff;border:0;border-radius:9px;padding:10px 13px;font-size:15px;font-weight:800;min-height:44px}
.mobile-menu{background:#172832;border-top:1px solid #304651}
.mobile-menu a{display:block;color:#fff;text-decoration:none;padding:15px 5%;border-bottom:1px solid #304651;font-size:16px;font-weight:700}

/* Hero */
.hero{background:linear-gradient(135deg,#111e27,#3c5663);color:#fff;padding:60px 5%}
.hero .inner{max-width:1150px}
.hero h1{font-size:clamp(42px,7vw,74px);line-height:.97;max-width:850px;margin:0 0 28px}
.hero p{max-width:760px;color:#d8e1e6;font-size:18px;line-height:1.5}
.hero.compact{padding-top:42px;padding-bottom:42px}
.eyebrow{font-size:13px!important;font-weight:bold;letter-spacing:1.6px;color:#d6aa69!important}

/* Ask the Conductor */
.ai{display:flex;max-width:900px;background:#fff;padding:8px;border-radius:12px}
.ai input{flex:1;border:0;padding:15px;font-size:16px;min-width:0;outline:none}
.ai button,.btn{background:#c4934d;color:#fff;border:0;border-radius:8px;padding:12px 18px;font-weight:bold;cursor:pointer}
.ai button:hover,.btn:hover{background:#a8783d}

/* Cards */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.card{background:#fff;border:1px solid #ddd6ca;border-radius:14px;padding:20px}
.card h3{margin-top:0}
.muted{color:#66747d;line-height:1.5}
.cardlink{display:block;color:inherit;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease}
.cardlink:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,0,0,.08)}
.learn{display:inline-block;margin-top:6px;font-weight:bold;color:#8a622d}

/* Home exploration */
.start-exploring{padding-top:30px}
.explore-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.explore-card{display:block;background:#fff;border:1px solid #ddd6ca;border-radius:14px;padding:22px;color:inherit;text-decoration:none}
.explore-card h3{margin-top:0}
.explore-link{display:inline-block;margin-top:8px;font-weight:800;color:#8a622d}

/* Reference/article pages */
.introbox,.article,.cta{background:#fff;border:1px solid #ddd6ca;border-radius:14px;padding:24px;margin-bottom:18px}
.introbox h2,.article h2,.cta h2{margin-top:0}
.article p,.introbox p,.cta p,.terms p{line-height:1.65}
.jump{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.jump a{background:#f4f1ea;color:#17232d;text-decoration:none;padding:9px 12px;border-radius:8px;font-weight:bold}
.grid.three{grid-template-columns:repeat(3,1fr)}
.note{background:#f4f1ea;border-left:4px solid #c4934d;padding:15px 17px;margin:18px 0;line-height:1.55}
.terms{columns:2;column-gap:30px}
.terms p{break-inside:avoid;margin-top:0;margin-bottom:16px}
.inlinebtn{display:inline-block;text-decoration:none;margin-top:5px}
.table{width:100%;border-collapse:collapse;background:#fff}
.table th,.table td{padding:11px;border:1px solid #ddd;text-align:left;vertical-align:top}

footer{background:#111d25;color:#fff;padding:24px 5%;margin-top:30px}

/* Tablet */
@media(max-width:900px){
  .desktop-only{display:none!important}
  .mobile-only{display:block}
  .site-header-inner{padding:12px 5%}
  .site-brand a{font-size:16px}
  .menu-button{display:block}
  .mobile-menu{display:none}
  .mobile-menu.open{display:block}
  .grid{grid-template-columns:1fr 1fr}
  .grid.three{grid-template-columns:1fr 1fr}
}

/* Phone */
@media(max-width:600px){
  body{font-size:16px}
  .site-header{position:sticky;top:0;z-index:1000}
  .site-brand a{font-size:14px;max-width:68vw;overflow:hidden;text-overflow:ellipsis}
  .site-brand span{font-size:8px;letter-spacing:.8px}
  .hero{padding:42px 5%}
  .hero h1{font-size:clamp(36px,12vw,52px);line-height:1.02;margin-bottom:22px}
  .hero p{font-size:16px}
  .ai{flex-direction:column;gap:8px}
  .ai button{min-height:46px}
  .wrap{padding:28px 5%}
  .grid,.grid.three,.explore-grid{grid-template-columns:1fr}
  .card,.explore-card,.article,.introbox,.cta{padding:18px}
  .terms{columns:1}
  .table{display:block;overflow-x:auto;font-size:14px}
  .jump a{font-size:14px;padding:9px 10px}
}