:root{
  --ink:#1d2a2e; --muted:#5b6b70; --bg:#fbf8f3; --card:#ffffff; --line:#e6dfd4;
  --brand:#1f4e5a; --brand-2:#163a43; --accent:#c8643b; --accent-soft:#f6e3d8; --ok:#2f7d4f;
  --radius:14px; --wrap:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px}
a{color:var(--brand)}
img{max-width:100%}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}

/* header */
header.top{background:var(--bg);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
#orcamento,section[id],form.quote{scroll-margin-top:76px}
.btn{white-space:nowrap}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--brand);text-decoration:none;font-size:18px;letter-spacing:-.2px}
.logo svg{width:30px;height:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 22px;font-weight:700;font-size:16px;text-decoration:none;cursor:pointer;transition:transform .08s ease, background .15s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#b3552f}
.btn-ghost{background:transparent;color:var(--brand);border:2px solid var(--brand)}
.btn-small{padding:9px 16px;font-size:15px}

/* hero */
.hero{padding:56px 0 40px;background:
  radial-gradient(circle at 92% 8%, var(--accent-soft) 0 140px, transparent 141px),
  radial-gradient(circle at 4% 96%, #dfeae9 0 110px, transparent 111px), var(--bg)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.eyebrow{display:inline-block;background:#e3eeee;color:var(--brand);font-weight:700;font-size:14px;padding:5px 12px;border-radius:999px;margin-bottom:14px}
h1{font-size:clamp(30px,4.4vw,46px);line-height:1.12;margin:0 0 16px;letter-spacing:-.8px}
.lead{font-size:19px;color:var(--muted);margin:0 0 22px}
.checks{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:8px}
.checks li{padding-left:30px;position:relative}
.checks li::before{content:"";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;background:var(--brand) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' stroke='white' stroke-width='2.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.disclosure{font-size:14px;color:var(--muted);margin-top:18px;max-width:520px}
.hero-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 18px 40px -24px rgba(31,78,90,.35)}
.hero-card h2{font-size:18px;margin:0 0 12px}
.swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0 18px}
.swatches span{aspect-ratio:1;border-radius:12px;border:1px solid rgba(0,0,0,.06)}
.mini-steps{margin:0;padding:0;list-style:none;display:grid;gap:12px}
.mini-steps li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px}
.mini-steps b{flex:0 0 28px;height:28px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-size:14px}

/* sections */
section{padding:56px 0}
section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2.sec{font-size:clamp(25px,3vw,33px);line-height:1.2;margin:0 0 10px;letter-spacing:-.4px}
.sec-sub{color:var(--muted);margin:0 0 30px;max-width:720px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:16px}
.num{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;font-weight:800;margin-bottom:10px}

/* form */
.form-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:start}
form.quote{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 18px 40px -28px rgba(31,78,90,.4)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
label,.legend{display:block;font-weight:700;font-size:15px;margin-bottom:6px}
.hint{font-weight:400;color:var(--muted);font-size:13.5px}
input[type=text],input[type=tel],input[type=number],select,textarea{width:100%;font:inherit;font-size:16px;padding:12px 13px;border:1.5px solid #d6cdbf;border-radius:10px;background:#fffdf9;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,78,90,.15)}
textarea{min-height:90px;resize:vertical}
fieldset{border:0;padding:0;margin:0 0 16px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{font-weight:500;font-size:15px;margin:0;display:inline-flex;align-items:center;gap:8px;border:1.5px solid #d6cdbf;background:#fffdf9;border-radius:999px;padding:8px 14px;cursor:pointer}
.chips input{accent-color:var(--brand);width:16px;height:16px;margin:0}
.chips label:has(input:checked){border-color:var(--brand);background:#e3eeee}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;font-weight:400;color:var(--muted)}
.consent input{margin-top:4px;width:18px;height:18px;accent-color:var(--brand);flex:0 0 auto}
.hp{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
.err{color:#b3261e;font-size:14px;margin:-8px 0 12px;display:none}
.submit-row{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.submit-row .btn{width:100%;padding:15px}
.small{font-size:13.5px;color:var(--muted)}
.aside-card{background:var(--brand);color:#eef5f5;border-radius:20px;padding:24px}
.aside-card h3{color:#fff;margin:0 0 10px}
.aside-card ul{padding-left:18px;margin:0 0 6px}
.aside-card li{margin-bottom:6px}
.done{display:none;text-align:center;padding:10px 0}
.done .id{display:inline-block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:22px;font-weight:800;letter-spacing:1px;background:var(--accent-soft);color:var(--accent);padding:10px 18px;border-radius:12px;margin:8px 0 14px}
.done h3{font-size:24px;margin:6px 0}

/* price table */
table.prices{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.prices th,.prices td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.prices th{background:#f3eee6;font-size:14px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
.prices td:last-child{white-space:nowrap;font-weight:700}
.note{background:var(--accent-soft);border-left:4px solid var(--accent);padding:14px 16px;border-radius:8px;margin-top:18px;font-size:15.5px}

/* checklist */
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.checklist li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px 12px 46px;position:relative}
.checklist li::before{content:"";position:absolute;left:14px;top:14px;width:20px;height:20px;border:2px solid var(--brand);border-radius:6px}

/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:700;padding:12px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:22px;line-height:1;color:var(--accent)}
details[open] summary::after{content:"–"}
details p{margin:0 0 14px;color:var(--muted)}

/* pros */
.pros{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:#fff;border:2px dashed #cfc5b6;border-radius:20px;padding:26px}
.pros h2{margin:0 0 6px;font-size:24px}
.pros p{margin:0;color:var(--muted);max-width:640px}

footer{background:var(--brand-2);color:#c9dbdb;padding:36px 0 90px;font-size:14.5px}
footer a{color:#fff}
footer .wrap{display:grid;gap:12px}
footer strong{color:#fff}

.wa-float{position:fixed;right:16px;bottom:16px;z-index:30;background:var(--accent);color:#fff;border-radius:999px;padding:13px 18px;font-weight:800;text-decoration:none;box-shadow:0 10px 24px -8px rgba(0,0,0,.4);display:flex;align-items:center;gap:8px}
.wa-float svg{width:22px;height:22px}

@media (max-width:860px){
  .hero .wrap,.form-wrap{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr}
  .hero{padding-top:36px}
  .hide-m{display:none}
}
@media (max-width:520px){
  .logo{font-size:16px}
  .logo svg{width:26px;height:26px}
  .row{grid-template-columns:1fr}
  body{font-size:16px}
  .prices td:last-child{white-space:normal}
  .wa-float span{display:none}
}

.updated{font-size:14px;color:var(--muted);margin:-4px 0 12px}
.answer{background:#fff;border:1px solid var(--line);border-left:5px solid var(--brand);border-radius:12px;padding:16px 18px;font-size:17.5px;margin:0 0 18px;max-width:860px}
section.alt .answer{background:var(--bg)}
.h3{font-size:20px;margin:30px 0 6px}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.sources td:last-child{white-space:normal;font-weight:400}
.sources td:nth-child(2){white-space:nowrap;font-weight:700}
.calc{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:start}
.calc-form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.calc-out{background:var(--brand);color:#eef5f5;border-radius:20px;padding:22px}
.calc-out .big{font-size:40px;font-weight:800;color:#fff;line-height:1.1;margin-bottom:12px}
.calc-out .big small{font-size:16px;font-weight:600;color:#cfe0e0}
.calc-out dl{margin:0 0 12px;display:grid;grid-template-columns:1fr auto;gap:8px 12px;font-size:15.5px}
.calc-out dt{color:#cfe0e0}
.calc-out dd{margin:0;font-weight:800;color:#fff;text-align:right}
@media (max-width:860px){.calc{grid-template-columns:1fr}}
@media (max-width:520px){.row3{grid-template-columns:1fr 1fr}.sources td:nth-child(2){white-space:normal}}

/* ===== tool pages ===== */
.crumbs{font-size:14px;color:var(--muted);margin:22px 0 0}
.crumbs a{color:var(--muted)}
.tool-hero{padding:26px 0 8px}
.tool-hero h1{font-size:clamp(28px,4vw,40px)}
.tool{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:start;margin-top:8px}
.panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}
.result{background:var(--brand);color:#eef5f5;border-radius:20px;padding:22px;position:sticky;top:84px}
.result .big{font-size:42px;font-weight:800;color:#fff;line-height:1.1}
.result .big small{font-size:16px;font-weight:600;color:#cfe0e0}
.result dl{margin:14px 0;display:grid;grid-template-columns:1fr auto;gap:8px 12px;font-size:15.5px}
.result dt{color:#cfe0e0}
.result dd{margin:0;font-weight:800;color:#fff;text-align:right}
.result .small{color:#cfe0e0}
.result .btn{width:100%;margin-top:8px}
.result .btn-ghost{color:#fff;border-color:#fff}
.room{border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:12px;background:#fffdf9}
.room-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px}
.room-head input{font-weight:700}
.room-area{font-weight:800;color:var(--brand);white-space:nowrap}
.grid-6{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.grid-6 .field{margin-bottom:6px}
.grid-6 label{font-size:13px}
.linkbtn{background:none;border:0;color:#b3261e;font-weight:700;cursor:pointer;font-size:14px;padding:4px}
.btn-add{background:#e3eeee;color:var(--brand);border:0}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.quote-col{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}
.quote-col h3{margin:0 0 10px;font-size:17px}
.quote-col .chk{display:flex;gap:8px;align-items:flex-start;font-size:14.5px;font-weight:500;margin:0 0 7px}
.quote-col .chk input{margin-top:4px;accent-color:var(--brand)}
.qres{margin-top:12px;border-top:1px dashed var(--line);padding-top:12px;font-size:15px}
.qres .pm2{font-size:24px;font-weight:800;color:var(--brand)}
.flag{display:block;font-size:13.5px;margin-top:6px;padding:6px 9px;border-radius:8px;background:#fdecea;color:#8a1c14}
.flag.ok{background:#e7f4ec;color:#1e5c37}
.badge{display:inline-block;font-size:12px;font-weight:800;background:var(--accent);color:#fff;border-radius:999px;padding:2px 9px;margin-left:6px;vertical-align:middle}
.related{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.related a{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;text-decoration:none;color:var(--ink)}
.related a strong{display:block;color:var(--brand);margin-bottom:4px}
.related a span{font-size:14.5px;color:var(--muted)}
.related a[aria-current]{display:none}
.example-table td,.example-table th{padding:10px 12px}
.toprow{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:8px}
nav.tools-nav{background:#fff;border-bottom:1px solid var(--line);font-size:14.5px}
nav.tools-nav .wrap{display:flex;gap:18px;overflow-x:auto;white-space:nowrap;padding-top:9px;padding-bottom:9px}
nav.tools-nav a{color:var(--muted);text-decoration:none;font-weight:600}
nav.tools-nav a:hover,nav.tools-nav a[aria-current]{color:var(--brand)}
@media (max-width:860px){.tool{grid-template-columns:1fr}.result{position:static}.quotes{grid-template-columns:1fr}.related{grid-template-columns:1fr 1fr}.grid-6{grid-template-columns:repeat(3,1fr)}}
@media (max-width:520px){.related{grid-template-columns:1fr}}
@media print{header.top,nav.tools-nav,footer,.wa-float,.related,.no-print{display:none!important}body{background:#fff}}
.tool>*,.quotes>*,.grid-6>*,.row>*,.row3>*{min-width:0}
input,select,textarea{min-width:0;max-width:100%}
@media (max-width:520px){.grid-6{grid-template-columns:1fr 1fr}.btn{white-space:normal;text-align:center}.panel,.result{padding:16px}}
.result dl{grid-template-columns:1fr;gap:2px}
.result dt{font-size:13.5px;margin-top:8px}
.result dd{text-align:left;font-size:17px}