/* Motorhome Solutions — shared design system */
:root{
  --ink:#0f1b2d;        /* deep slate */
  --ink-2:#1e2f45;
  --body:#334155;       /* body text */
  --muted:#64748b;
  --paper:#faf8f5;      /* warm off-white */
  --card:#ffffff;
  --line:#e7e2da;
  --amber:#e8862b;      /* warm CTA accent */
  --amber-dark:#c96f1c;
  --amber-tint:#fbe9d4;
  --band:#0f1b2d;
  --band-2:#16263c;
  --maxw:1080px;
  --readw:72ch;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--body);
  font-family:"Roboto",system-ui,-apple-system,Segoe UI,Helvetica,Arial,sans-serif;
  font-size:18px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Roboto Slab",Georgia,serif;color:var(--ink);line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.55rem,3.4vw,2.2rem);font-weight:700}
h3{font-size:1.25rem;font-weight:700}
h4{font-size:1.05rem;font-weight:700}
p{margin:0 0 1.1em}
a{color:var(--amber-dark);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.lead{font-size:1.22rem;color:var(--ink-2)}
.eyebrow{font-family:"Roboto",sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;color:var(--amber-dark)}
.center{text-align:center}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(250,248,245,.9);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:baseline;gap:10px;min-width:0;text-decoration:none}
.brand:hover{text-decoration:none}
.brand b{font-family:"Roboto Slab",serif;font-weight:800;color:var(--ink);font-size:1.15rem;white-space:nowrap}
.brand span{color:var(--muted);font-size:.9rem;display:none}
@media(min-width:760px){.brand span{display:inline}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:700;font-family:"Roboto",sans-serif;
  padding:.8em 1.25em;border-radius:10px;font-size:1rem;cursor:pointer;border:2px solid transparent;transition:transform .12s ease,box-shadow .12s ease,background .12s ease;line-height:1.2}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-amber{background:var(--amber);color:#fff;box-shadow:0 6px 18px -6px rgba(232,134,43,.6)}
.btn-amber:hover{background:var(--amber-dark);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{border-color:#fff;color:#fff}

section{padding:72px 0}
.tight{padding:52px 0}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* hero (home) */
.hero{background:linear-gradient(160deg,var(--band) 0%,var(--band-2) 60%,#1c3a5c 100%);color:#dbe4ef;padding:88px 0 96px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(232,134,43,.22),transparent 70%)}
.hero h1{color:#fff;max-width:15ch}
.hero .lead{color:#c3d0e0;max-width:56ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero .eyebrow{color:#f0a860}

/* article hero (interior pages) */
.hero-article{background:linear-gradient(160deg,var(--band),var(--band-2));color:#dbe4ef;padding:56px 0 60px}
.hero-article h1{color:#fff;max-width:22ch;font-size:clamp(1.9rem,4.4vw,2.9rem)}
.hero-article .dek{color:#c3d0e0;font-size:1.2rem;max-width:60ch;margin:.2em 0 0}
.breadcrumb{font-size:.82rem;color:#9fb0c4;margin-bottom:18px;letter-spacing:.02em}
.breadcrumb a{color:#c3d0e0}
.meta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:20px;font-size:.85rem;color:#9fb0c4}
.meta-row .chip{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:4px 12px;border-radius:999px}

/* prose */
.prose{max-width:var(--readw)}
.article{max-width:var(--readw);margin:0 auto}
.article h2{margin:1.6em 0 .5em}
.article h3{margin:1.4em 0 .4em}
.article > p:first-of-type{font-size:1.15rem;color:var(--ink-2)}
.article ul,.article ol{margin:0 0 1.2em;padding-left:1.3em}
.article li{margin:.4em 0}
.article strong{color:var(--ink-2)}
.article figure{margin:1.4em 0}
.article blockquote{margin:1.4em 0;padding:.4em 1.2em;border-left:4px solid var(--amber);color:var(--ink-2);font-style:italic}

/* callout boxes */
.callout{border-radius:14px;padding:20px 22px;margin:1.6em 0;border:1px solid var(--line);background:#fff}
.callout .h{font-family:"Roboto Slab",serif;font-weight:700;color:var(--ink);margin:0 0 .3em;display:flex;align-items:center;gap:.5em}
.callout p:last-child{margin:0}
.callout.tip{border-left:5px solid #2f9e6f;background:#f1faf5}
.callout.warn{border-left:5px solid #d9534f;background:#fdf3f2}
.callout.cost{border-left:5px solid var(--amber);background:var(--amber-tint)}

/* key-value cost table */
.ktable{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.98rem;overflow:hidden;border-radius:12px;border:1px solid var(--line)}
.ktable th,.ktable td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.ktable th{background:#f4efe8;font-family:"Roboto Slab",serif}
.ktable tr:last-child td{border-bottom:0}
.ktable .cost-early{color:#2f9e6f;font-weight:700}
.ktable .cost-late{color:#c0392b;font-weight:700}
.table-scroll{overflow-x:auto}

/* cards / grids */
.grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:620px){.grid.two{grid-template-columns:1fr 1fr}}
@media(min-width:860px){.grid.four{grid-template-columns:1fr 1fr}}
@media(min-width:1040px){.grid.four{grid-template-columns:repeat(4,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 24px;transition:transform .15s ease,box-shadow .15s ease;display:block;color:inherit}
a.card:hover{text-decoration:none}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 34px -20px rgba(15,27,45,.35)}
.card .num{font-family:"Roboto Slab",serif;font-weight:800;color:var(--amber);font-size:1.5rem;line-height:1}
.card h3{margin:14px 0 8px}
.card p{margin:0;color:var(--body);font-size:.98rem}
.card .more{color:var(--amber-dark);font-weight:700;font-size:.9rem;margin-top:12px;display:inline-block}

/* band (EliteRV) */
.band{background:linear-gradient(150deg,var(--band),var(--band-2));color:#dbe4ef}
.band h2{color:#fff}
.band .lead{color:#c3d0e0}
.eliterv{display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between}
.eliterv .copy{max-width:60ch}

/* signup */
.signup{background:var(--amber-tint);border:1px solid #f0d3b3;border-radius:20px;padding:40px 32px;text-align:center}
.signup h2{max-width:22ch;margin:0 auto .4em}
.signup p{max-width:52ch;margin:0 auto 1.4em;color:var(--ink-2)}
.form{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:520px;margin:0 auto}
.form input{flex:1 1 240px;min-width:0;padding:.85em 1em;border-radius:10px;border:1px solid #e2c39d;font-size:1rem;font-family:inherit;background:#fff}
.note{font-size:.85rem;color:var(--muted);margin-top:12px}

/* math box (home) */
.math{background:#fff;border:1px solid var(--line);border-left:5px solid var(--amber);border-radius:14px;padding:28px 30px;max-width:var(--readw)}

/* printable checklist */
.checklist{max-width:820px;margin:0 auto}
.cl-group{background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px 24px 20px;margin:0 0 22px}
.cl-group h3{margin:20px 0 6px;padding-bottom:8px;border-bottom:2px solid var(--amber-tint)}
.cl-item{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed var(--line)}
.cl-item:last-child{border-bottom:0}
.cl-box{flex:0 0 22px;width:22px;height:22px;border:2px solid var(--amber);border-radius:5px;margin-top:2px}
.cl-item .t{margin:0;font-weight:500;color:var(--ink-2)}
.cl-item .t small{display:block;color:var(--muted);font-weight:400;font-size:.85rem;margin-top:2px}
.print-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin:8px 0 28px}

/* footer */
footer.site{background:var(--band);color:#93a3b8;padding:44px 0;font-size:.95rem}
.footcols{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between;align-items:flex-start}
footer.site .fbrand{font-family:"Roboto Slab",serif;color:#fff;font-size:1.25rem;font-weight:700;margin-bottom:6px}
footer.site a{color:#c3d0e0;display:block;padding:3px 0}
footer.site a:hover{color:#fff}
.footlinks h4{color:#fff;font-size:.9rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px}
.copyright{border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:20px;text-align:center;font-size:.85rem;color:#7d8da6}

/* reveal (progressive enhancement — content visible unless JS present) */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}

/* print */
@media print{
  header.site,footer.site,.band,.signup,.print-actions,.hero-cta{display:none!important}
  body{background:#fff;font-size:12pt}
  .hero-article{background:#fff;color:#000;padding:0 0 12px;border-bottom:2px solid #000}
  .hero-article h1,.hero-article .dek,.breadcrumb,.breadcrumb a{color:#000}
  .cl-box{border-color:#000}
  a{color:#000;text-decoration:none}
}