:root{
  --s900:#161d26;--s700:#232f3b;--s500:#3a4f61;--s100:#e8edf0;--s50:#f4f6f8;
  --paper:#fafbfa;--ink:#1b232c;--muted:#5a6774;
  --yellow:#ffc400;--yi:#231a00;
  --green:#1fa855;
  --slat:repeating-linear-gradient(180deg,
    #202b36 0,#202b36 14px,#18212b 14px,#18212b 16px,#2a3844 16px,#2a3844 18px);
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);background:var(--paper);line-height:1.65;font-size:16.5px}
h1,h2,h3,.brand{font-family:"Archivo",system-ui,sans-serif;line-height:1.15;
  letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(1.9rem,5.5vw,3rem);font-weight:800}
h2{font-size:clamp(1.35rem,3.2vw,1.85rem);font-weight:700;margin:0 0 .6rem}
h3{font-size:1.1rem;font-weight:700;margin:0 0 .35rem}
p{margin:0 0 1rem}a{color:inherit}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:980px;margin:0 auto;padding:0 20px}

/* HEADER */
.top{background:var(--s900);color:#fff;position:sticky;top:0;z-index:20;
  border-bottom:3px solid var(--yellow)}
.bar{display:flex;align-items:center;gap:16px;padding:11px 20px;flex-wrap:wrap}
.brand{font-weight:800;font-size:1.12rem;text-decoration:none;letter-spacing:.02em;white-space:nowrap}
.brand span{color:var(--yellow)}
.nav{display:flex;gap:12px;flex-wrap:wrap;font-size:.84rem}
.nav a{color:#c9d3dc;text-decoration:none;padding:4px 0;border-bottom:2px solid transparent;white-space:nowrap}
.nav a.on,.nav a:hover{color:#fff;border-bottom-color:var(--yellow)}
.top-call{margin-left:auto;white-space:nowrap}
@media(max-width:820px){.nav{order:3;width:100%;overflow-x:auto;white-space:nowrap;flex-wrap:nowrap;padding-bottom:4px}.top-call{display:none}}

/* HERO */
.hero{background:var(--slat);color:#fff;padding:60px 0 52px;border-bottom:6px solid var(--yellow)}
.hero .sub{color:#c9d3dc;max-width:46rem;font-size:1.05rem}
.hero .trust{color:#93a3b1;font-size:.85rem;margin-top:14px}
.eyebrow{display:inline-block;font-family:"Archivo",sans-serif;font-weight:700;
  font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  background:var(--yellow);color:var(--yi);padding:3px 10px;margin:0 0 14px}

/* BUTTONS */
.btn{display:inline-block;font-family:"Archivo",sans-serif;font-weight:700;
  text-decoration:none;padding:12px 22px;font-size:.95rem;transition:opacity .15s}
.btn:hover{opacity:.88}
.btn-solid{background:var(--yellow);color:var(--yi)}
.btn-line{border:2px solid var(--yellow);color:#fff}
main .btn-line,.cta-band .btn-line{color:var(--ink);border-color:var(--s900)}
.wa-btn{background:var(--green)!important;border-color:var(--green)!important;color:#fff!important}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.btn:focus-visible{outline:3px solid #4aa3ff;outline-offset:2px}

/* SECTIONS */
main section{padding:44px 0}
.sec-alt{background:var(--s50)}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin-top:16px}
.card{background:#fff;border:1px solid #d8e0e6;border-top:4px solid var(--s700);padding:20px}
.card h3 a{text-decoration:none}.card h3 a:hover{text-decoration:underline}

/* TRUST BADGES */
.trust-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-top:16px}
.trust-card{background:#fff;border:1px solid #d8e0e6;padding:16px 18px;display:flex;gap:12px;align-items:flex-start}
.trust-card .icon{font-size:1.5rem;flex-shrink:0}
.trust-card h3{font-size:.95rem;margin-bottom:2px}
.trust-card p{font-size:.85rem;color:var(--muted);margin:0}

/* SPECS ROW */
.specs{display:flex;flex-wrap:wrap;gap:0;border:1px solid #d8e0e6;margin-top:16px;background:#fff}
.spec{flex:1;min-width:120px;padding:18px 16px;text-align:center;border-right:1px solid #d8e0e6}
.spec:last-child{border-right:none}
.spec strong{display:block;font-family:"Archivo",sans-serif;font-size:1.4rem;color:var(--s700)}
.spec span{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}

/* REVIEWS */
.review-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:16px}
.review{background:#fff;border:1px solid #d8e0e6;border-left:4px solid var(--yellow);padding:16px 18px}
.review .stars{color:var(--yellow);font-size:1rem;margin-bottom:6px}
.review p{font-size:.9rem;color:var(--ink);margin-bottom:8px;font-style:italic}
.review .reviewer{font-size:.8rem;color:var(--muted);font-weight:700}

/* OPERATION TYPES */
.op-grid{display:grid;gap:0;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:16px;border:1px solid #d8e0e6}
.op{background:#fff;padding:22px 20px;border-right:1px solid #d8e0e6}
.op:last-child{border-right:none}
.op h3{color:var(--s700)}
.op .cap{font-family:"Archivo",sans-serif;font-weight:800;font-size:1.1rem;color:var(--yellow);background:var(--s900);display:inline-block;padding:2px 10px;margin-bottom:8px}
@media(max-width:700px){.op-grid{grid-template-columns:1fr}.op{border-right:none;border-bottom:1px solid #d8e0e6}}

/* WARRANTY */
.warranty-grid{display:grid;gap:18px;grid-template-columns:1fr 1fr;margin-top:16px}
.warranty-box{background:#fff;border:1px solid #d8e0e6;padding:20px}
.warranty-box h3{margin-bottom:10px}
.warranty-box ul{padding-left:1.1rem}
.warranty-box li{margin-bottom:5px;font-size:.92rem}
@media(max-width:600px){.warranty-grid{grid-template-columns:1fr}}

/* AREA GRID */
.area-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));margin-top:16px}
.area-card{background:#fff;border:1px solid #d8e0e6;padding:14px 16px}
.area-card h3{font-size:.95rem;margin-bottom:4px}
.area-card p{font-size:.82rem;color:var(--muted);margin:0}

/* TABLE */
table{width:100%;border-collapse:collapse;background:#fff;font-size:.93rem;margin:0 0 1rem}
th,td{border:1px solid #d8e0e6;padding:10px 12px;text-align:left}
th{background:var(--s900);color:#fff;font-family:"Archivo",sans-serif;font-weight:700}
tr:nth-child(even) td{background:var(--s50)}
ul{padding-left:1.2rem;margin:0 0 1rem}
li{margin-bottom:.4rem}
.note{font-size:.85rem;color:var(--muted)}

/* FAQ */
.faq{background:#fff;border:1px solid #d8e0e6;margin-bottom:10px;border-radius:2px}
.faq summary{cursor:pointer;padding:14px 16px;font-weight:600;font-family:"Archivo",sans-serif;list-style:none}
.faq summary::before{content:"+ ";color:var(--yellow)}
details[open] summary::before{content:"− ";color:var(--yellow)}
.faq p{padding:0 16px 14px;color:var(--muted);margin:0}

/* CTA BAND */
.cta-band{background:var(--s900)!important;color:#fff;text-align:center;padding:52px 20px!important}
.cta-band h2{color:#fff}
.cta-band p{color:#c9d3dc;max-width:38rem;margin:0 auto 4px}
.cta-band .cta-row{justify-content:center}
.cta-band .btn-line{color:#fff;border-color:rgba(255,255,255,.4)}

/* FOOTER */
.foot{background:var(--s700);color:#c9d3dc;padding:40px 0 90px;font-size:.9rem}
.foot-grid{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin-bottom:24px}
.foot .brand{color:#fff;margin-bottom:8px}
.foot a{color:#fff}
.footnav{display:flex;flex-direction:column;gap:7px;margin-top:4px}
.footnav a{color:#c9d3dc;text-decoration:none;font-size:.85rem}
.footnav a:hover{color:#fff}
.areas{font-size:.8rem;margin-bottom:8px;border-top:1px solid rgba(255,255,255,.1);padding-top:14px}
.fine{color:#8fa0ae;font-size:.76rem}

/* STICKY BAR */
.sticky-bar{position:fixed;bottom:0;left:0;right:0;display:none;z-index:30}
.sticky-bar a{flex:1;text-align:center;padding:14px 0;font-family:"Archivo",sans-serif;font-weight:800;text-decoration:none;background:var(--s900);color:#fff;font-size:1rem}
.sticky-bar a.wa{background:var(--green)}
@media(max-width:820px){.sticky-bar{display:flex}}

/* FORM */
form{max-width:520px}
label{display:block;font-weight:600;font-family:"Archivo",sans-serif;font-size:.85rem;margin:14px 0 4px}
input,select,textarea{width:100%;padding:11px;border:1px solid #b9c5cd;font-size:1rem;font-family:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:3px solid #4aa3ff;outline-offset:1px}
form .btn{border:0;cursor:pointer;margin-top:18px;width:100%;font-size:1.05rem}