/* Dolphin Robotic Pool Cleaner — static site styles */
:root{
  --ink:#0A2A3A; --deep:#0E5E86; --aqua:#1193C4; --wash:#EFF7FB;
  --line:#D8E7EE; --cta:#E8830C; --cta-d:#C96F06; --white:#fff;
  --maxw:1120px; --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.65;font-size:16.5px}
img{max-width:100%;height:auto;border-radius:10px}
a{color:var(--deep)}
h1,h2,h3,h4{font-family:'Sora',Inter,sans-serif;line-height:1.22;color:var(--ink)}
h1{font-size:clamp(1.7rem,3.6vw,2.5rem);margin:.4em 0 .5em}
h2{font-size:clamp(1.3rem,2.6vw,1.75rem);margin:1.4em 0 .5em}
h3{font-size:1.15rem;margin:1.2em 0 .4em}
p,ul,ol{margin:.75em 0}
ul,ol{padding-left:1.4em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:var(--white);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;font-family:'Sora';font-weight:700;font-size:1.02rem;color:var(--ink);text-decoration:none}
.brand svg{flex:0 0 auto}
.nav-links{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
.nav-links a{text-decoration:none;color:var(--ink);padding:8px 11px;border-radius:8px;font-size:.95rem}
.nav-links a:hover,.nav-links a.on{background:var(--wash);color:var(--deep)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:7px 10px;font-size:1.05rem;cursor:pointer;color:var(--ink)}
@media(max-width:840px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--line);flex-direction:column;padding:10px 16px}
  .nav-links.open{display:flex}
}

/* hero */
.hero{background:linear-gradient(135deg,var(--deep) 0%,var(--aqua) 90%);color:#fff;padding:52px 0 58px}
.hero h1{color:#fff;margin-top:0}
.hero p{max-width:640px;font-size:1.06rem;color:#EAF6FD}
.hero .btn{margin-top:14px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.hero-grid img{background:#fff;padding:14px;border-radius:16px;box-shadow:0 16px 40px rgba(4,32,48,.35)}
@media(max-width:760px){.hero-grid{grid-template-columns:1fr}.hero-grid img{max-width:340px;margin:0 auto}}

/* buttons */
.btn{display:inline-block;background:var(--cta);color:#fff!important;text-decoration:none;font-weight:600;padding:12px 22px;border-radius:10px;border:0;cursor:pointer}
.btn:hover{background:var(--cta-d)}
.btn.ghost{background:transparent;border:2px solid #fff}
.btn.ghost:hover{background:rgba(255,255,255,.14)}
.btn.blue{background:var(--deep)}
.btn.blue:hover{background:#0A4A6B}

/* layout blocks */
.section{padding:44px 0}
.section.alt{background:var(--wash)}
.grid{display:grid;gap:22px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid.c3,.grid.c4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid.c3,.grid.c4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;display:flex;flex-direction:column}
.card img{align-self:center;max-height:170px;width:auto;object-fit:contain}
.card h3{margin:.7em 0 .3em;font-size:1.03rem}
.card p{font-size:.93rem;color:#3A5666;flex:1}
.card a.more{font-weight:600;text-decoration:none;color:var(--aqua)}

/* article/content pages */
.crumbs{font-size:.86rem;color:#4A6878;padding:14px 0 0}
.crumbs a{color:#4A6878;text-decoration:none}
.crumbs a:hover{color:var(--deep)}
article.content{padding:8px 0 46px;max-width:820px}
article.content img{margin:10px 0}
article.content table{border-collapse:collapse;width:100%;margin:16px 0;font-size:.95rem}
article.content th,article.content td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
article.content th{background:var(--wash);font-family:'Sora';font-size:.9rem}
article.content blockquote{border-left:4px solid var(--aqua);background:var(--wash);padding:12px 16px;border-radius:0 10px 10px 0;margin:14px 0}

/* product layout */
.p-top{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:start;padding:26px 0 8px}
@media(max-width:760px){.p-top{grid-template-columns:1fr}}
.p-top .p-img{background:var(--wash);border-radius:16px;padding:22px;text-align:center}
.p-top .p-img img{max-height:340px;width:auto}
.spec-table{border-collapse:collapse;width:100%;margin:18px 0;font-size:.95rem}
.spec-table td{border:1px solid var(--line);padding:9px 12px}
.spec-table td:first-child{background:var(--wash);font-weight:600;width:38%}

/* affiliate CTA */
.aff-box{background:linear-gradient(135deg,#0E5E86,#1193C4);border-radius:16px;color:#fff;padding:26px;margin:30px 0;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.aff-box .t{flex:1;min-width:230px}
.aff-box h3{color:#fff;margin:0 0 6px}
.aff-box p{margin:0;font-size:.92rem;color:#DDF1FB}
.aff-note{font-size:.8rem;color:#5A7686;margin-top:8px}

/* footer */
.site-foot{background:var(--ink);color:#B9D3E0;margin-top:30px;font-size:.92rem}
.site-foot .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:28px;padding:42px 0 26px}
@media(max-width:820px){.site-foot .cols{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.site-foot .cols{grid-template-columns:1fr}}
.site-foot h4{color:#fff;font-size:.98rem;margin-bottom:10px}
.site-foot a{color:#B9D3E0;text-decoration:none;display:block;padding:3px 0}
.site-foot a:hover{color:#fff}
.site-foot .base{border-top:1px solid rgba(255,255,255,.14);padding:16px 0;font-size:.82rem}
.disclosure{font-size:.82rem;color:#8FB0C2;margin-top:12px}