/* Rolling Home Lab — deep navy + warm sand road/desert theme */
:root{
  --navy:#12233c;
  --navy-deep:#0d1a2e;
  --navy-soft:#1c3050;
  --sand:#f3ecdd;
  --sand-deep:#e6d9c0;
  --sand-card:#faf6ec;
  --clay:#c9722f;
  --clay-dark:#a85a22;
  --sage:#5f7a68;
  --ink:#2b2b28;
  --muted:#6b6a64;
  --line:#d9cdb4;
  --white:#ffffff;
  --radius:10px;
  --shadow:0 2px 14px rgba(13,26,46,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--sand);
  line-height:1.65;
  font-size:17px;
}
img{max-width:100%;height:auto}
a{color:var(--clay-dark)}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:var(--navy-deep);color:var(--white);position:sticky;top:0;z-index:50;box-shadow:0 2px 10px rgba(0,0,0,.25)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--white)}
.brand svg{width:44px;height:44px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:1.35rem;font-weight:600;letter-spacing:.5px}
.brand-text strong{color:var(--sand-deep);font-weight:800}
.brand-tag{font-size:.72rem;font-weight:400;letter-spacing:2.5px;text-transform:uppercase;color:#bfa87e}
.main-nav ul{list-style:none;display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.main-nav a{color:#e9e2d2;text-decoration:none;padding:9px 13px;border-radius:6px;font-size:.96rem;transition:background .15s}
.main-nav a:hover,.main-nav a.active{background:var(--navy-soft);color:var(--white)}
.has-sub{position:relative}
.has-sub .sub{display:none;position:absolute;top:100%;left:0;background:var(--navy);min-width:270px;border-radius:0 0 8px 8px;box-shadow:var(--shadow);padding:8px;z-index:60}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:block}
.has-sub .sub li{margin:0}
.has-sub .sub a{display:block;padding:10px 12px;white-space:normal}
.nav-toggle{display:none;background:none;border:1px solid #44556f;color:#fff;border-radius:6px;padding:8px 12px;font-size:1.1rem;cursor:pointer}

/* Hero */
.hero{background:linear-gradient(160deg,var(--navy-deep) 0%,var(--navy) 55%,var(--navy-soft) 100%);color:var(--white);padding:70px 0 60px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:90px;background:linear-gradient(to bottom,transparent,var(--sand));pointer-events:none}
.hero h1{font-size:2.5rem;line-height:1.2;margin-bottom:16px;max-width:760px}
.hero h1 em{font-style:normal;color:var(--sand-deep)}
.hero p.lede{font-size:1.15rem;color:#d8d0bd;max-width:700px;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}
.btn{display:inline-block;padding:13px 28px;border-radius:8px;font-weight:700;text-decoration:none;font-size:1.02rem;transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,.25)}
.btn-clay{background:var(--clay);color:#fff}
.btn-clay:hover{background:var(--clay-dark)}
.btn-ghost{background:transparent;border:2px solid #bfa87e;color:var(--sand-deep)}
.btn-ghost:hover{border-color:var(--white);color:#fff}
.hero-badges{margin-top:26px;display:flex;gap:22px;flex-wrap:wrap;color:#bfa87e;font-size:.92rem;position:relative;z-index:1}

/* Sections */
.section{padding:54px 0}
.section h2{font-size:1.9rem;color:var(--navy-deep);margin-bottom:8px}
.section .sub{color:var(--muted);margin-bottom:28px;max-width:720px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:24px}
.card{background:var(--sand-card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .15s}
.card:hover{transform:translateY(-3px)}
.card-visual{height:150px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy-soft),var(--navy-deep))}
.card-visual svg{width:64px;height:64px}
.card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.card-kicker{font-size:.78rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--clay-dark);font-weight:700;margin-bottom:8px}
.card h3{font-size:1.25rem;color:var(--navy-deep);margin-bottom:10px}
.card h3 a{color:inherit;text-decoration:none}
.card h3 a:hover{color:var(--clay-dark)}
.card p{color:var(--muted);font-size:.97rem;flex:1;margin-bottom:16px}
.card-link{font-weight:700;text-decoration:none}

/* Trust band */
.trust{background:var(--navy);color:#e9e2d2;padding:54px 0}
.trust h2{color:var(--sand-deep);font-size:1.8rem;margin-bottom:14px}
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:26px;margin-top:24px}
.trust-item h3{color:var(--white);font-size:1.08rem;margin-bottom:8px}
.trust-item p{font-size:.95rem;color:#c9c2ad}

/* Article layout */
.article-hero{background:var(--navy-deep);color:var(--white);padding:52px 0 40px}
.article-hero h1{font-size:2.1rem;line-height:1.25;max-width:860px;margin-bottom:14px}
.article-hero .meta{color:#bfa87e;font-size:.92rem}
.breadcrumb{font-size:.88rem;color:#bfa87e;margin-bottom:14px}
.breadcrumb a{color:#bfa87e}
.article-wrap{max-width:820px;margin:0 auto;padding:40px 20px}
.disclosure-box{background:#fff8ea;border:1px solid var(--line);border-left:5px solid var(--clay);border-radius:6px;padding:16px 20px;margin:0 0 30px;font-size:.93rem;color:var(--muted)}
.disclosure-box strong{color:var(--ink)}
.article-wrap h2{color:var(--navy-deep);font-size:1.55rem;margin:36px 0 12px}
.article-wrap h3{color:var(--navy);font-size:1.22rem;margin:26px 0 10px}
.article-wrap p{margin-bottom:16px}
.article-wrap ul,.article-wrap ol{margin:0 0 18px 22px}
.article-wrap li{margin-bottom:8px}
.product-card{background:var(--sand-card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin:28px 0;box-shadow:var(--shadow)}
.product-card .badge{display:inline-block;background:var(--sage);color:#fff;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;padding:5px 12px;border-radius:20px;margin-bottom:12px}
.product-card .badge.top{background:var(--clay)}
.product-card h3{margin-top:0;font-size:1.35rem}
.specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:16px 0}
.spec{background:#fff;border:1px solid var(--line);border-radius:6px;padding:10px 12px;font-size:.9rem}
.spec span{display:block;font-size:.76rem;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}
.spec strong{color:var(--navy-deep)}
.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:16px 0}
.pros,.cons{background:#fff;border-radius:6px;padding:14px 16px;border:1px solid var(--line)}
.pros h4{color:#3e7c4f;font-size:.95rem;margin-bottom:8px}
.cons h4{color:#a33c2e;font-size:.95rem;margin-bottom:8px}
.pros ul,.cons ul{margin:0 0 0 18px;font-size:.93rem}
.for-skip{background:#fff;border-radius:6px;border:1px solid var(--line);padding:14px 16px;margin:16px 0;font-size:.95rem}
.for-skip p{margin-bottom:6px}
.for-skip p:last-child{margin-bottom:0}
.affil-cta{margin:20px 0}
.faq{margin-top:36px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:12px;padding:16px 18px}
.faq summary{font-weight:700;color:var(--navy-deep);cursor:pointer}
.faq p{margin:10px 0 0;font-size:.97rem}
.math-box{background:#fff;border:1px dashed var(--clay);border-radius:8px;padding:18px 20px;margin:20px 0;font-size:.97rem}
.math-box strong{color:var(--navy-deep)}

/* Newsletter */
.newsletter{background:var(--navy-soft);color:var(--white);border-radius:var(--radius);padding:34px;margin:50px 0}
.newsletter h2{color:var(--sand-deep);font-size:1.5rem;margin-bottom:8px}
.newsletter p{color:#d8d0bd;font-size:.97rem;margin-bottom:18px}
.newsletter .field-row{display:flex;gap:10px;flex-wrap:wrap}
.newsletter input[type=email]{flex:1;min-width:220px;padding:13px 16px;border-radius:8px;border:none;font-size:1rem}
.placeholder-note{margin-top:12px;font-size:.82rem;color:#bfa87e;font-style:italic}

/* Footer */
.site-footer{background:var(--navy-deep);color:#b9b09a;padding:44px 0 28px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:28px}
.footer-grid h3{color:var(--white);font-size:1rem;margin-bottom:12px}
.footer-grid p{font-size:.9rem}
.footer-grid ul{list-style:none}
.footer-grid li{margin-bottom:8px}
.footer-grid a{color:#b9b09a;text-decoration:none;font-size:.92rem}
.footer-grid a:hover{color:var(--sand-deep)}
.footer-bottom{border-top:1px solid #2a3c58;padding-top:20px;font-size:.83rem;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* Contact form */
.contact-form{max-width:640px;margin:30px 0}
.contact-form label{display:block;font-weight:600;margin-bottom:6px;color:var(--navy-deep)}
.contact-form input,.contact-form textarea,.contact-form select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-size:1rem;margin-bottom:18px;background:#fff;font-family:inherit}
.contact-form textarea{min-height:150px;resize:vertical}
.notice{background:#fff8ea;border:1px solid var(--line);border-radius:8px;padding:18px 20px;margin:24px 0;font-size:.95rem}

@media (max-width:760px){
  .hero h1{font-size:1.85rem}
  .pros-cons{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .main-nav{display:none;width:100%}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch}
  .main-nav a{display:block}
  .has-sub .sub{position:static;display:block;box-shadow:none;border-radius:0;background:transparent;padding:0 0 0 16px}
  .footer-grid{grid-template-columns:1fr}
  .header-inner{flex-wrap:wrap}
}