:root{
  --paper:#eef2f4;        /* cool pale */
  --paper-2:#e0e7ea;
  --graphite:#1a2128;     /* dark sections */
  --graphite-2:#28323b;
  --ink:#1a2128;
  --lake:#0e6f9e;         /* primary */
  --lake-d:#0b577d;
  --amber:#dca025;        /* secondary accent */
  --steel:#5d6b74;
  --line:rgba(26,33,40,.13);
  --slab:'Zilla Slab',Georgia,serif;
  --body:'IBM Plex Sans',-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.66;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--slab);font-weight:700;line-height:1.12;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:.5em;background:var(--lake);color:#fff;font-family:var(--body);font-weight:600;font-size:1rem;padding:14px 28px;border-radius:6px;border:none;cursor:pointer;transition:transform .15s,background .2s;box-shadow:0 6px 16px -8px rgba(14,111,158,.7)}
.btn:hover{background:var(--lake-d);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--graphite);border:2px solid var(--graphite);box-shadow:none}
.btn-ghost:hover{background:var(--graphite);color:#fff}
.btn-amber{background:var(--amber);color:var(--graphite);box-shadow:none}
.btn-amber:hover{background:#c98c14}
.btn-light{background:var(--paper);color:var(--graphite);box-shadow:none}
.btn-light:hover{background:#fff}

.topbar{background:var(--graphite);color:#cdd6dc;font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;padding:8px 24px}
.topbar a{font-weight:700;color:var(--amber)}
.topbar .t{opacity:.85}

header{position:sticky;top:0;z-index:60;background:rgba(238,242,244,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 24px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--slab);font-weight:700;font-size:1.28rem;color:var(--graphite)}
.brand .mk{width:34px;height:34px;border-radius:7px;background:var(--lake);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--slab);font-weight:700;font-size:1.1rem;flex:none;position:relative}
.brand .mk::after{content:"";position:absolute;left:6px;right:6px;bottom:8px;height:3px;background:var(--amber);border-radius:2px}
nav.main{display:flex;gap:26px;align-items:center;font-weight:500;font-size:.95rem}
nav.main a.lk{position:relative;padding:3px 0;color:var(--graphite)}
nav.main a.lk::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;background:var(--lake);transition:width .25s}
nav.main a.lk:hover::after{width:100%}
nav.main .btn{padding:9px 18px;font-size:.9rem}

/* hero — content-led with topo texture */
.hero{position:relative;overflow:hidden;padding:70px 0 76px;background:var(--paper)}
.hero::before{content:"";position:absolute;inset:0;background:repeating-radial-gradient(circle at 88% 12%,transparent 0 46px,rgba(14,111,158,.055) 46px 48px);z-index:0}
.hero .wrap{position:relative;z-index:1}
.kicker{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:.76rem;letter-spacing:.15em;text-transform:uppercase;color:var(--lake-d);margin-bottom:18px}
.kicker::before{content:"";width:20px;height:2px;background:var(--amber)}
.hero h1{font-size:clamp(2.6rem,5.4vw,4.1rem);color:var(--graphite);max-width:15.5em}
.hero h1 .u{color:var(--lake);box-shadow:inset 0 -.13em var(--amber)}
.hero .lead{font-size:1.16rem;margin:22px 0 30px;max-width:34em;color:#3c4750}
.hero-cta{display:flex;gap:13px;flex-wrap:wrap;align-items:center}
.hero .est-link{margin-top:18px;font-size:.96rem}
.hero .est-link a{color:var(--lake-d);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.trust{display:flex;gap:0;margin-top:38px;flex-wrap:wrap;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;max-width:760px}
.trust div{flex:1;min-width:180px;padding:18px 22px;border-right:1px solid var(--line);font-size:.86rem;line-height:1.3;color:#3c4750}
.trust div:last-child{border-right:none}
.trust b{display:block;font-family:var(--slab);font-size:1.45rem;color:var(--lake);font-weight:700}

section{padding:78px 0}
.sec-head{max-width:35em;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .kicker{margin-bottom:13px}
.sec-head.center .kicker{justify-content:center}
.sec-head h2{font-size:clamp(2rem,3.6vw,2.8rem);color:var(--graphite)}
.sec-head p{margin-top:13px;font-size:1.05rem;color:#3c4750}
.dark{background:var(--graphite);color:#cdd6dc}
.dark h2,.dark h3,.dark h4{color:#fff}
.dark .kicker{color:var(--amber)}
.dark p,.dark .sec-head p{color:#aeb9c1}

/* calculator */
.calcwrap{max-width:880px;margin:0 auto}
.calc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px;box-shadow:0 24px 50px -32px rgba(26,33,40,.5)}
.calc .ct{font-family:var(--slab);font-weight:700;font-size:1.45rem;color:var(--graphite);margin-bottom:4px}
.calc .cs{font-size:.92rem;color:var(--steel);margin-bottom:20px}
.calc .grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.calc .row{margin-bottom:18px}
.calc label{display:block;font-size:.74rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--graphite-2);margin-bottom:7px}
.calc select{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:8px;font-family:var(--body);font-size:1rem;background:var(--paper);color:var(--ink)}
.calc .sizeval{font-family:var(--slab);font-weight:700;color:var(--lake);font-size:1.05rem}
.calc .toggles{display:flex;gap:18px;flex-wrap:wrap;margin-top:4px}
.calc .chk{display:flex;align-items:center;gap:8px;font-size:.92rem;color:#3c4750;cursor:pointer}
.calc .chk input{width:17px;height:17px;accent-color:var(--lake)}
.calc input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:3px;background:var(--paper-2);outline:none}
.calc input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:23px;height:23px;border-radius:50%;background:var(--lake);cursor:pointer;border:3px solid #fff;box-shadow:0 2px 7px rgba(0,0,0,.25)}
.calc input[type=range]::-moz-range-thumb{width:23px;height:23px;border-radius:50%;background:var(--lake);cursor:pointer;border:3px solid #fff}
.calc-result{background:var(--graphite);color:#cdd6dc;border-radius:10px;padding:24px;text-align:center;margin-top:22px}
.calc-result .est{font-family:var(--slab);font-size:2.5rem;font-weight:700;color:#fff;line-height:1.05}
.calc-result .mid{color:var(--amber);margin-top:7px;font-size:.98rem;font-weight:600}
.calc-result .note{font-size:.78rem;color:#9aa6ae;margin-top:12px;line-height:1.5}
.calc-result .btn{margin-top:16px;width:100%;justify-content:center}

/* cards w/ left accent bar */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{position:relative;background:#fff;border:1px solid var(--line);border-left:4px solid var(--lake);border-radius:10px;padding:26px 24px;transition:transform .2s,box-shadow .2s;display:block}
.card:hover{transform:translateY(-4px);box-shadow:0 22px 40px -28px rgba(26,33,40,.5);border-left-color:var(--amber)}
.card .n{font-family:var(--slab);font-weight:700;font-size:1.45rem;color:var(--amber);line-height:1}
.card h3{font-size:1.24rem;color:var(--graphite);margin:8px 0 8px}
.card p{font-size:.93rem;color:#3c4750}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{position:relative;padding-top:54px}
.step::before{content:counter(s);counter-increment:s;position:absolute;top:0;left:0;width:42px;height:42px;border-radius:8px;background:var(--lake);color:#fff;font-family:var(--slab);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.steps{counter-reset:s}
.step h3{font-size:1.14rem;margin-bottom:7px}
.dark .step p{color:#aeb9c1;font-size:.93rem}

.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.pills{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.pills a,.pills span{background:#fff;border:1px solid var(--line);border-radius:7px;padding:8px 15px;font-size:.86rem;color:var(--graphite);font-weight:500}
.pills a:hover{border-color:var(--lake);color:var(--lake-d)}
.callout{background:#fff;border:1px solid var(--line);border-left:4px solid var(--amber);padding:18px 22px;border-radius:0 8px 8px 0;margin:24px 0;color:#33404a;font-size:1.02rem}

.faq{max-width:800px;margin:0 auto}
details{border-bottom:1px solid var(--line);padding:19px 2px}
details summary{font-family:var(--slab);font-weight:600;font-size:1.14rem;color:var(--graphite);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";font-size:1.5rem;color:var(--lake);transition:transform .2s;flex:none}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:12px;color:#3c4750;font-size:1rem}

.cta{position:relative;overflow:hidden;background:var(--lake-d);color:#fff;text-align:center;padding:72px 0}
.cta::before{content:"";position:absolute;inset:0;background:repeating-radial-gradient(circle at 12% 80%,transparent 0 44px,rgba(255,255,255,.06) 44px 46px)}
.cta .wrap{position:relative;z-index:1}
.cta h2{color:#fff;font-size:clamp(2rem,3.7vw,2.85rem);max-width:18em;margin:0 auto 12px}
.cta p{max-width:34em;margin:0 auto 26px;color:#dbe9f1;font-size:1.08rem}
.cta .bigphone{display:block;font-family:var(--slab);font-weight:700;font-size:2.1rem;margin-top:18px;color:#fff}

.phero{position:relative;overflow:hidden;background:var(--graphite);color:#cdd6dc;padding:62px 0 52px}
.phero::before{content:"";position:absolute;inset:0;background:repeating-radial-gradient(circle at 90% 30%,transparent 0 44px,rgba(220,160,37,.07) 44px 46px)}
.phero .wrap{position:relative;z-index:1}
.phero .crumb{font-size:.8rem;letter-spacing:.04em;color:var(--amber);margin-bottom:12px}
.phero .crumb a{color:var(--amber);text-decoration:underline}
.phero h1{font-size:clamp(2.1rem,4.4vw,3.2rem);color:#fff;max-width:18em}
.phero p{margin-top:13px;color:#aeb9c1;font-size:1.1rem;max-width:40em}
.prose{max-width:800px;margin:0 auto}
.prose h2{font-size:1.62rem;color:var(--graphite);margin:34px 0 12px}
.prose h3{font-size:1.2rem;color:var(--graphite);margin:24px 0 8px}
.prose p{margin-bottom:15px;color:#33404a;font-size:1.05rem}
.prose ul{margin:0 0 18px 1.1em;color:#33404a}.prose li{margin-bottom:8px}
.checklist{list-style:none;margin-left:0}
.checklist li{position:relative;padding-left:29px;margin-bottom:10px}
.checklist li::before{content:"\2713";position:absolute;left:0;color:var(--lake);font-weight:700}
.ctable{width:100%;border-collapse:collapse;margin:18px 0;font-size:.97rem}
.ctable th,.ctable td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.ctable th{font-family:var(--body);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--graphite-2);background:var(--paper-2)}
.ctable td:last-child{font-weight:700;color:var(--lake-d);white-space:nowrap}
.ctable tr:hover td{background:rgba(14,111,158,.05)}
.mold-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:22px 0}
.mold-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px;display:block}
.mold-card .sw{width:38px;height:38px;border-radius:8px;margin-bottom:10px}
.mold-card h3{color:var(--graphite);font-size:1.14rem;margin-bottom:3px}
.mold-card .lat{font-style:italic;color:var(--steel);font-size:.84rem;display:block;margin-bottom:7px}
.mold-card p{font-size:.9rem;color:#3c4750}

.formcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:30px;box-shadow:0 24px 50px -34px rgba(26,33,40,.5)}
.formcard h3{font-size:1.4rem;color:var(--graphite);margin-bottom:5px}
.formcard .cs{font-size:.9rem;color:var(--steel);margin-bottom:18px}
.fld{margin-bottom:14px}
.fld label{display:block;font-size:.74rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--graphite-2);margin-bottom:5px}
.fld input,.fld select,.fld textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:8px;font-family:var(--body);font-size:1rem;background:var(--paper);color:var(--ink)}
.fld textarea{min-height:90px;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--lake);box-shadow:0 0 0 3px rgba(14,111,158,.14);background:#fff}
.formcard .btn{width:100%;justify-content:center;margin-top:4px}
.fine{font-size:.72rem;color:var(--steel);margin-top:11px;line-height:1.45}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}

footer.site{background:var(--graphite);color:#9aa6ae;padding:56px 0 28px;font-size:.92rem}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
footer.site .brand{color:#fff;margin-bottom:13px}
footer.site h4{color:#fff;font-family:var(--body);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}
footer.site a{display:block;padding:4px 0;color:#9aa6ae}
footer.site a:hover{color:var(--amber)}
.disc{padding-top:22px;font-size:.78rem;color:#6f7c85;line-height:1.6}
.mcall{display:none}

@media(max-width:880px){
  nav.main{display:none}
  .hero h1{max-width:100%}.split{grid-template-columns:1fr;gap:34px}
  .cards{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr;gap:30px}
  .fgrid{grid-template-columns:1fr 1fr}.calc .grid2{grid-template-columns:1fr}.topbar .t{display:none}
}
@media(max-width:560px){
  .cards,.steps,.fgrid,.mold-grid{grid-template-columns:1fr}
  section{padding:56px 0}.hero{padding:44px 0 56px}.trust div{min-width:140px}
  body{padding-bottom:64px}
  .mcall{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:90;background:var(--lake);color:#fff;align-items:center;justify-content:center;gap:9px;padding:15px;font-weight:600;font-size:1.05rem;box-shadow:0 -6px 20px rgba(0,0,0,.2)}
}
.reveal{opacity:0;transform:translateY(20px);animation:rise .7s cubic-bezier(.2,.7,.2,1) forwards}
.d1{animation-delay:.05s}.d2{animation-delay:.13s}.d3{animation-delay:.22s}.d4{animation-delay:.3s}
@keyframes rise{to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.reveal{animation:none;opacity:1;transform:none}}