/* Layout concept: a light "lake survey" sheet — contour-line hero, hi-vis dispatch ticket for the quote,
   one hazard-stripe band for the quick answers. Single deliberate light theme. */
:root{
  --paper:#f4f7f6; --surface:#ffffff; --mist:#e3eef0; --ink:#10232d; --muted:#4a5f69; --line:#d2dddf;
  --lake:#0a5b78; --lake-deep:#073a4d; --hivis:#ffcd1c; --hivis-ink:#1d1600; --ok:#1f7a4d;
  --display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --body:"Source Sans 3","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --r:6px; --wrap:1180px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--body)}
img,svg{max-width:100%}
a{color:var(--lake);text-underline-offset:3px}
a:hover{color:var(--lake-deep)}
:focus-visible{outline:3px solid var(--hivis);outline-offset:2px;box-shadow:0 0 0 5px var(--ink)}
h1,h2,h3{font-family:var(--display);line-height:1.05;letter-spacing:.005em;text-wrap:balance;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(2.3rem,5.2vw,3.9rem);font-weight:800}
h2{font-size:clamp(1.75rem,3.2vw,2.45rem);font-weight:700}
h3{font-size:1.4rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.eyebrow{font:600 .8rem/1.3 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--lake);margin:0 0 .9rem}
.skip{position:absolute;left:-999px;top:0;background:var(--hivis);color:var(--hivis-ink);padding:.6rem 1rem;z-index:99}
.skip:focus{left:8px}

/* Header */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--surface)}
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex-shrink:1;min-width:0;min-height:44px}
.brand svg{width:38px;height:38px}
.brand b{display:block;font:800 1.25rem/1 var(--display);letter-spacing:.02em}
.brand small{display:block;font:500 .75rem/1.3 var(--mono);color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.nav{display:flex;gap:2px;margin-left:auto;align-items:center}
.nav a{white-space:nowrap;color:var(--ink);text-decoration:none;font-weight:600;font-size:.95rem;padding:.5rem .7rem;border-radius:var(--r)}
.nav a:hover,.nav a[aria-current="page"]{background:var(--mist);color:var(--lake-deep)}
.btn{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:.55rem;font:700 1.05rem/1 var(--body);text-decoration:none;border-radius:var(--r);padding:.95rem 1.3rem;border:2px solid transparent;cursor:pointer;transition:transform .12s ease,background .12s ease}
.btn:active{transform:translateY(1px)}
.btn-call{background:var(--hivis);color:var(--hivis-ink);border-color:var(--hivis-ink)}
.btn-call:hover{background:#ffd84d;color:var(--hivis-ink)}
.btn-ghost{background:transparent;color:var(--lake-deep);border-color:var(--lake-deep)}
.btn-ghost:hover{background:var(--lake-deep);color:#fff}
.btn svg{width:20px;height:20px;flex-shrink:0}
.top .btn-call{padding:.7rem 1rem;font-size:1rem}
.menu-btn{display:none;margin-left:auto;min-height:44px;min-width:44px;background:none;border:1px solid var(--line);border-radius:var(--r);padding:.55rem .8rem;font:600 .9rem var(--body);color:var(--ink);cursor:pointer}
@media (max-width:1180px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--surface);flex-direction:column;align-items:stretch;padding:8px max(16px,env(safe-area-inset-right,0px)) 16px max(16px,env(safe-area-inset-left,0px));border-bottom:1px solid var(--line);margin:0}
  .nav.open{display:flex}
  .nav a{padding:.8rem .6rem;font-size:1.05rem}
  .top .btn-call .lbl{display:none}
  .top .wrap{gap:10px}
}
@media (max-width:440px){.brand small{display:none}.brand b{font-size:1.05rem}.brand svg{width:32px;height:32px;flex-shrink:0}.top .wrap{gap:8px}.top .btn-call{width:48px;height:48px;padding:0}}
@media (max-width:350px){.brand b{font-size:.95rem}}

/* Hero */
.hero{background:var(--mist);position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;opacity:.55;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='400' viewBox='0 0 600 400'%3E%3Cg fill='none' stroke='%23a9c9d1' stroke-width='1.2'%3E%3Cpath d='M-20 60 C120 20 220 110 360 70 S560 30 640 80'/%3E%3Cpath d='M-20 110 C110 70 230 160 370 120 S560 80 640 130'/%3E%3Cpath d='M-20 170 C130 130 240 220 380 180 S570 140 640 190'/%3E%3Cpath d='M-20 240 C120 200 250 290 390 250 S560 210 640 260'/%3E%3Cpath d='M-20 310 C140 270 240 360 380 320 S580 280 640 330'/%3E%3Cpath d='M-20 380 C130 340 260 430 400 390 S560 350 640 400'/%3E%3C/g%3E%3C/svg%3E");background-size:600px 400px}
.hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;padding-block:56px 64px;align-items:start}
.hero-copy{min-width:0}
.hero .sub{font-size:1.2rem;color:var(--ink);max-width:36em}
.proof{list-style:none;padding:0;margin:1.4rem 0 1.8rem;display:grid;gap:.6rem}
.proof li{display:flex;gap:.7rem;align-items:flex-start;font-weight:600}
.proof li::before{content:"";flex:0 0 22px;height:22px;margin-top:2px;border-radius:50%;background:var(--lake) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23fff' stroke-width='3' d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/14px no-repeat}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-note{font:500 .85rem/1.4 var(--mono);color:var(--muted);margin-top:.9rem}
.hero-art{margin-top:2rem;max-width:520px}
@media (max-width:900px){.hero .wrap{grid-template-columns:minmax(0,1fr);gap:32px;padding-block:36px 44px}.hero-art{display:none}}

/* Quote ticket */
.ticket{background:var(--surface);border:2px solid var(--ink);border-radius:var(--r);box-shadow:8px 8px 0 var(--lake-deep);position:relative;min-width:0}
.ticket-head{background:var(--hivis);color:var(--hivis-ink);padding:.8rem 1.2rem;border-bottom:2px dashed var(--ink);display:flex;justify-content:space-between;gap:10px;font:600 .8rem/1.3 var(--mono);letter-spacing:.1em;text-transform:uppercase}
.ticket-body{padding:1.3rem 1.2rem 1.4rem}
.ticket h2,.ticket .h{font:800 1.7rem/1.05 var(--display);margin:0 0 .35rem}
.ticket p.small{font-size:.95rem;color:var(--muted);margin-bottom:1rem}
.field{display:grid;gap:.3rem;margin-bottom:.85rem}
.field label{font-weight:700;font-size:.92rem}
.field input,.field textarea{font:400 1rem/1.4 var(--body);color:var(--ink);background:var(--paper);border:1.5px solid #9fb2b8;border-radius:var(--r);padding:.75rem .8rem;width:100%}
.field input:focus,.field textarea:focus{border-color:var(--lake);outline:none;box-shadow:0 0 0 3px rgba(10,91,120,.2);background:#fff}
.field textarea{min-height:96px;resize:vertical}
.two{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
@media (max-width:460px){.two{grid-template-columns:1fr}}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.btn-send{width:100%;background:var(--lake-deep);color:#fff;font-size:1.08rem}
.btn-send:hover{background:var(--lake);color:#fff}
.or-call{text-align:center;margin:.9rem 0 0;font-size:.95rem;color:var(--muted)}
.or-call a{font-weight:700;color:var(--ink)}
.form-done{padding:1rem;border:2px solid var(--ok);border-radius:var(--r);background:#eaf6ef;color:#0f3d26;font-weight:600}

/* Quick answers strip */
.quick{background:var(--surface);border-bottom:1px solid var(--line);position:relative}
.quick::before{content:"";display:block;height:10px;background:repeating-linear-gradient(-45deg,var(--hivis) 0 14px,var(--ink) 14px 28px)}
.quick .wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;padding-block:26px}
.qa{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;margin:0}
.qa div{min-width:0;border-left:3px solid var(--lake);padding-left:12px}
.qa dt{font:700 1.08rem/1.15 var(--display);text-transform:uppercase;letter-spacing:.02em;margin-bottom:.3rem}
.qa dd{margin:0;font-size:.95rem;line-height:1.45;color:var(--muted)}
.big-call{display:flex;flex-direction:column;align-items:center;gap:.35rem;background:var(--hivis);color:var(--hivis-ink);border:3px solid var(--ink);border-radius:var(--r);padding:1.05rem 1.5rem;text-decoration:none;box-shadow:5px 5px 0 var(--ink)}
.big-call:hover{color:var(--hivis-ink);background:#ffd84d}
.big-call .k{font:800 1.7rem/1 var(--display);text-transform:uppercase;letter-spacing:.04em}
.big-call .n{font:700 1.2rem/1 var(--mono);font-variant-numeric:tabular-nums}
@media (max-width:1100px){.quick .wrap{grid-template-columns:1fr}.qa{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}.big-call{justify-self:stretch}}

/* Sections */
.sec{padding-block:72px}
.sec.alt{background:var(--surface);border-block:1px solid var(--line)}
.sec-head{max-width:46rem;margin-bottom:2rem}
.sec-head p{color:var(--muted);font-size:1.08rem}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.g2{grid-template-columns:repeat(auto-fill,minmax(340px,1fr))}
@media (max-width:420px){.g2,.g3{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1.4rem;display:flex;flex-direction:column;gap:.5rem;min-width:0;text-decoration:none;color:var(--ink);transition:border-color .15s ease,transform .15s ease}
a.card:hover{border-color:var(--lake);transform:translateY(-2px);color:var(--ink)}
.card h3{margin:0;font-size:1.5rem}
.card p{margin:0;color:var(--muted)}
.card .more{margin-top:auto;padding-top:.5rem;font-weight:700;color:var(--lake)}
.card .ico{width:54px;height:54px;color:var(--lake)}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;counter-reset:s;list-style:none;padding:0;margin:0}
.steps li{counter-increment:s;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1.4rem;min-width:0}
.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--ink);color:var(--hivis);font:800 1.3rem var(--display);margin-bottom:.8rem}
.steps h3{font-size:1.35rem}
.steps p{margin:0;color:var(--muted)}
@media (max-width:820px){.steps{grid-template-columns:1fr}}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:start}
@media (max-width:860px){.split{grid-template-columns:minmax(0,1fr)}}
ul.ticks{list-style:none;padding:0;margin:0 0 1em;display:grid;gap:.55rem}
ul.ticks li{padding-left:1.8rem;position:relative}
ul.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:14px;height:8px;border-left:3px solid var(--lake);border-bottom:3px solid var(--lake);transform:rotate(-45deg)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);margin:0 0 1.2rem}
table{border-collapse:collapse;width:100%;min-width:480px;font-variant-numeric:tabular-nums}
th,td{text-align:left;padding:.7rem .9rem;border-bottom:1px solid var(--line);vertical-align:top}
th{font:600 .8rem/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase;background:var(--mist);color:var(--lake-deep)}
tr:last-child td{border-bottom:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.chips a,.chips span{display:inline-block;padding:.45rem .8rem;border:1px solid var(--line);border-radius:999px;background:var(--surface);text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem}
.chips a:hover{border-color:var(--lake);color:var(--lake-deep)}
.chips span{color:var(--muted);font-weight:500}

/* FAQ */
.faq{display:grid;gap:10px;max-width:52rem}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.faq summary{cursor:pointer;list-style:none;padding:1rem 3rem 1rem 1.2rem;font-weight:700;font-size:1.06rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:1.1rem;top:50%;transform:translateY(-50%);font:700 1.5rem var(--display);color:var(--lake)}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 1.2rem 1.1rem;color:var(--muted)}
.faq details>div p:last-child{margin:0}

/* Final CTA band */
.band{background:var(--lake-deep);color:#fff}
.band .wrap{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;padding-block:44px}
.band h2{color:#fff;margin:0 0 .3rem}
.band p{margin:0;color:#cfe3ea;font-size:1.08rem}

/* Inner pages */
.crumbs{font:500 .85rem/1.5 var(--mono);color:var(--muted);margin:0 0 1rem}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.35rem}
.crumbs li+li::before{content:"/";margin-right:.35rem;color:#9fb2b8}
.crumbs a{color:var(--muted)}
.page-hero{background:var(--mist);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero .wrap{padding-block:40px 44px;position:relative}
.answer{background:var(--surface);border-left:5px solid var(--hivis);border-radius:0 var(--r) var(--r) 0;padding:1rem 1.2rem;max-width:50rem;font-size:1.12rem;margin:0 0 1.3rem;box-shadow:0 1px 0 var(--line)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:48px;padding-block:48px 72px;align-items:start}
.layout>aside{position:sticky;top:calc(84px + env(safe-area-inset-top,0px))}
@media (max-width:980px){.layout{grid-template-columns:minmax(0,1fr)}.layout>aside{position:static}}
.prose{min-width:0;max-width:46rem}
.prose h2{margin-top:2.2rem}
.prose h2:first-child{margin-top:0}
.prose li{margin-bottom:.35rem}
.specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);margin:0 0 2rem;overflow:hidden}
.specs div{padding:.8rem 1rem;border-bottom:1px solid var(--line);border-right:1px solid var(--line);min-width:0}
.specs dt{font:600 .76rem/1.3 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--lake)}
.specs dd{margin:.2rem 0 0;font-weight:600}
.related{margin-top:2.5rem}
.calc{background:var(--surface);border:2px solid var(--ink);border-radius:var(--r);padding:1.3rem;margin:0 0 2rem}
.calc .tabs{display:flex;gap:6px;margin-bottom:1rem}
.calc .tabs button{font:700 .95rem var(--body);padding:.6rem 1rem;border-radius:var(--r);border:1.5px solid var(--line);background:var(--paper);cursor:pointer;color:var(--ink)}
.calc .tabs button[aria-selected="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
.calc .check{display:flex;gap:.6rem;align-items:center;font-weight:600;margin:.2rem 0;min-height:44px}
.calc .check input{width:20px;height:20px;accent-color:var(--lake)}
.calc-out{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin-top:1rem}
.calc-out div{background:var(--mist);border-radius:var(--r);padding:.8rem;text-align:center}
.calc-out b{display:block;font:800 2.4rem/1 var(--display);color:var(--lake-deep);font-variant-numeric:tabular-nums}
.calc-out span{font:600 .76rem/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.calc-note{font-size:.9rem;color:var(--muted);margin:.8rem 0 0}
.nap{font-style:normal;line-height:1.7}

/* Footer */
.foot{background:var(--ink);color:#c7d6db;padding-block:56px 110px;font-size:.96rem}
.foot .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:32px}
.foot h2{color:#fff;font-size:1.25rem;margin-bottom:.8rem}
.foot a{color:#e6f0f2;text-decoration:none}
.foot a:hover{color:var(--hivis);text-decoration:underline}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:.4rem}
.foot .legal{grid-column:1/-1;border-top:1px solid #2c4552;padding-top:20px;font-size:.9rem;color:#8fa6ae;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}
.foot .ph{font:700 1.3rem var(--mono);color:var(--hivis)!important}
@media (max-width:900px){.foot .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot .wrap{grid-template-columns:1fr}}

/* Mobile call bar */
.callbar{display:none}
@media (max-width:760px){
  .callbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;gap:8px;background:var(--surface);border-top:1px solid var(--line);padding:10px max(12px,env(safe-area-inset-right,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(12px,env(safe-area-inset-left,0px))}
  .callbar a{flex:1;padding:.9rem .6rem;font-size:1rem}
}

.chips a{min-height:44px;display:inline-flex;align-items:center}
.foot ul a{display:inline-block;padding:.2rem 0}
.muted{color:var(--muted);font-size:.92rem}
.chips small{color:var(--muted);font-weight:500;margin-left:.15rem}

/* Phone: tables become stacked cards, no sideways scrolling */
@media (max-width:640px){
  .table-wrap{overflow:visible;border:0;background:none}
  .table-wrap table{min-width:0;display:block}
  .table-wrap thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .table-wrap tbody{display:grid;gap:10px}
  .table-wrap tr{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:.55rem .9rem}
  .table-wrap td{display:grid;grid-template-columns:minmax(92px,38%) minmax(0,1fr);gap:.8rem;padding:.4rem 0;border-bottom:1px dashed var(--line)}
  .table-wrap tr td:last-child{border-bottom:0}
  .table-wrap td::before{content:attr(data-label);font:600 .76rem/1.5 var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--lake)}
  .table-wrap td:first-child{font-weight:700}
}
/* Phone polish */
@media (max-width:640px){
  body{font-size:16.5px}
  .sec{padding-block:48px}
  .layout{padding-block:32px 56px;gap:32px}
  .page-hero .wrap{padding-block:28px 32px}
  .answer{font-size:1.04rem;padding:.9rem 1rem}
  .cta-row .btn{flex:1 1 100%}
  .specs{grid-template-columns:1fr 1fr}
  .specs div{padding:.7rem .8rem}
  .faq summary{padding:1rem 2.8rem 1rem 1rem;font-size:1rem}
  .ticket{box-shadow:5px 5px 0 var(--lake-deep)}
  .big-call{padding:1rem}
  h2{font-size:1.7rem}
}
@media (max-width:360px){.specs{grid-template-columns:1fr}}
input,textarea,select{font-size:16px}
@media (hover:none){a.card:hover{transform:none}}
.calc .tabs button{min-height:44px}
.nap a,.prose ol a{display:inline-block;padding-block:.55rem;margin-block:-.55rem}
@media (max-width:400px){h1{font-size:2.05rem}.crumbs{font-size:.8rem;margin-bottom:.6rem}.eyebrow{margin-bottom:.6rem}}