:root{
  --bg:#f7f5f0; --surface:#ffffff; --ink:#14212b; --muted:#55636e; --line:#dfe3e6;
  --brand:#0b2545; --brand-2:#16396b; --accent:#1e7d42; --ok:#1f7a4d; --focus:#2b7cff;
  --radius:14px; --shadow:0 1px 2px rgba(20,33,43,.06),0 8px 24px rgba(20,33,43,.06);
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--brand-2)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;z-index:99}
.skip:focus{left:8px}
h1,h2,h3{font-family:var(--serif);line-height:1.2;margin:0 0 .5em;font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5vw,3.1rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.2rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.eyebrow{font:600 .78rem/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:12px;display:block}
.lead{font-size:1.12rem;color:var(--muted);max-width:60ch}
.placeholder{background:#fff3cd;color:#6b4e00;padding:0 4px;border-radius:4px;font-family:ui-monospace,Menlo,monospace;font-size:.9em}

/* header */
header.site{position:sticky;top:0;z-index:20;background:rgba(247,245,240,.92);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{font-family:var(--serif);font-weight:700;font-size:1.25rem;color:var(--brand);text-decoration:none;display:flex;align-items:center;gap:10px}
.logo-mark{width:40px;height:40px;border-radius:9px;display:block}
.logo small{display:block;font:500 .7rem/1.1 var(--sans);color:var(--muted);letter-spacing:.02em}
nav.main ul{display:none;list-style:none;margin:0;padding:0;gap:22px}
nav.main a{text-decoration:none;color:var(--ink);font-weight:500;font-size:.95rem}
nav.main a:hover{color:var(--brand-2)}
@media(min-width:900px){nav.main ul{display:flex}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:999px;font:600 1rem var(--sans);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-2)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-wa{background:#1f7a4d;color:#fff}
.btn-sm{min-height:40px;padding:0 16px;font-size:.92rem;white-space:nowrap}
@media(max-width:420px){.logo{font-size:1rem;gap:8px;white-space:nowrap}.logo small{display:none}header.site .btn-sm{padding:0 12px;font-size:.85rem}}
.btns{display:flex;flex-wrap:wrap;gap:12px}

/* sections */
section{padding:64px 0}
@media(min-width:900px){section{padding:96px 0}}
.hero{padding-top:48px}
.hero-grid{display:grid;gap:40px;align-items:center}
@media(min-width:900px){.hero-grid{grid-template-columns:1.25fr 1fr}}
.hero-card{background:var(--brand);color:#e9f1f3;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.hero-card h2{color:#fff;font-size:1.35rem}
.hero-card ul{margin:0;padding:0;list-style:none}
.hero-card li{padding:12px 0;border-top:1px solid rgba(255,255,255,.14);display:flex;gap:12px}
.hero-card li:first-child{border-top:0}
.hero-card .n{font:700 .85rem var(--sans);color:#5fd08a;min-width:22px}
.trust{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:24px;color:var(--muted);font-size:.9rem}
.trust span::before{content:"✓ ";color:var(--ok);font-weight:700}

.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid{display:grid;gap:20px}
@media(min-width:640px){.grid-2{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.alt .card{background:var(--bg)}
.card .tag{display:inline-block;font:600 .72rem/1 var(--sans);text-transform:uppercase;letter-spacing:.08em;color:var(--brand-2);background:#e3eef1;padding:6px 8px;border-radius:6px;margin-bottom:12px}
.card p:last-child{margin-bottom:0}
.card.feature{border-color:var(--accent)}
.section-head{max-width:720px;margin-bottom:36px}

/* calculators */
.calc{display:grid;gap:20px}
@media(min-width:900px){.calc{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
label{font-weight:600;font-size:.92rem}
input,select{font:inherit;min-height:46px;padding:10px 12px;border:1px solid #c6ced3;border-radius:10px;background:#fff;color:var(--ink);width:100%}
input[type=range]{padding:0;min-height:32px;accent-color:var(--brand)}
input[type=checkbox]{width:20px;height:20px;min-height:0;accent-color:var(--brand);flex:none;margin-top:3px}
.hint{font-size:.82rem;color:var(--muted)}
.result{margin-top:8px;padding:18px;border-radius:12px;background:#eef4f5;border:1px solid #d3e3e7}
.result .big{font:700 1.9rem/1.15 var(--serif);color:var(--brand)}
.result dl{display:grid;grid-template-columns:1fr auto;gap:6px 12px;margin:12px 0 0;font-size:.93rem}
.result dt{color:var(--muted)}
.result dd{margin:0;font-weight:600;text-align:right}
.disclaimer{display:flex;gap:8px;font-size:.82rem;color:#6b4e00;background:#fff8e6;border:1px solid #f1dfae;border-radius:10px;padding:10px 12px;margin-top:14px}

/* steps */
.steps{counter-reset:s;display:grid;gap:20px}
@media(min-width:900px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{position:relative;padding:24px 24px 24px 24px;border-left:3px solid var(--accent);background:var(--surface);border-radius:0 var(--radius) var(--radius) 0}
.step::before{counter-increment:s;content:"0" counter(s);font:700 1rem var(--sans);color:var(--accent);display:block;margin-bottom:8px}

/* form */
.form-wrap{display:grid;gap:32px}
@media(min-width:900px){.form-wrap{grid-template-columns:1fr 1.2fr}}
form .row{display:grid;gap:0 14px}
@media(min-width:640px){form .row{grid-template-columns:1fr 1fr}}
.consent{display:flex;gap:10px;font-size:.88rem;color:var(--muted);margin:6px 0 18px;font-weight:400}
.error{color:#b42318;font-size:.85rem;min-height:1.2em}
input[aria-invalid=true],select[aria-invalid=true]{border-color:#b42318}

/* faq */
details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:0 20px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.3rem;line-height:1;color:var(--brand-2)}
details[open] summary::after{content:"–"}
details p{color:var(--muted)}

/* footer */
footer.site{background:var(--ink);color:#c7d0d6;padding:48px 0 96px;font-size:.92rem}
footer.site a{color:#fff}
footer.site .grid{gap:28px}
@media(min-width:900px){footer.site .grid{grid-template-columns:1.4fr 1fr 1fr}}
footer.site h3{color:#fff;font-size:1rem;font-family:var(--sans)}
footer .legal{border-top:1px solid #2c3b46;margin-top:32px;padding-top:20px;font-size:.8rem;color:#93a1aa}

/* floating whatsapp */
.wa-float{position:fixed;right:16px;bottom:16px;z-index:30;box-shadow:0 8px 24px rgba(0,0,0,.2)}

/* privacy page */
.doc{max-width:760px;padding:48px 0 80px}
.doc h2{font-size:1.4rem;margin-top:1.8em}
.doc li{margin-bottom:.4em}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}