:root{
  --ink:#12303d;
  --ink-soft:#3d5663;
  --grey:#6b7c86;
  --line:#dbe6ec;
  --mist:#f3f8fa;
  --white:#ffffff;
  --blue:#1f6f9f;
  --blue-deep:#164f73;
  --teal:#2c9a87;
  --teal-soft:#e2f3ef;
  --sky:#e6f1f8;
  --slate:#102a36;
  --radius:18px;
  --shadow:0 18px 50px -20px rgba(18,48,61,.28);
  --shadow-sm:0 6px 22px -10px rgba(18,48,61,.22);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Manrope',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--ink);background:var(--white);line-height:1.6;font-size:17px}
img,svg{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5vw,3.5rem);font-weight:800}
h2{font-size:clamp(1.65rem,3.4vw,2.4rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);margin-bottom:.8rem}
.lead{font-size:1.15rem;color:var(--ink-soft);max-width:60ch}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:0;cursor:pointer;font:inherit;font-weight:700;padding:.95rem 1.6rem;border-radius:999px;background:var(--blue);color:#fff;transition:transform .2s ease,background .2s ease,box-shadow .2s ease;box-shadow:0 10px 24px -12px rgba(31,111,159,.8)}
.btn:hover{background:var(--blue-deep);transform:translateY(-2px);text-decoration:none}
.btn.green{background:var(--teal);box-shadow:0 10px 24px -12px rgba(44,154,135,.8)}
.btn.green:hover{background:#238070}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:none;border:1.5px solid var(--line)}
.btn.ghost:hover{background:var(--mist)}
.btn[disabled]{opacity:.6;cursor:wait}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:1rem}
.brand{display:flex;align-items:center;gap:.65rem;font-weight:800;font-size:1.15rem;color:var(--ink);letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand svg{width:34px;height:34px}
.brand small{display:block;font-size:.68rem;font-weight:600;color:var(--grey);letter-spacing:.08em;text-transform:uppercase;margin-top:-2px}
.nav{display:flex;align-items:center;gap:1.6rem}
.nav a.link{color:var(--ink-soft);font-weight:600;font-size:.95rem}
.nav a.link:hover{color:var(--blue);text-decoration:none}
.nav .btn{padding:.6rem 1.2rem;font-size:.95rem}

/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#eef6fa 0%,#f7fbfa 55%,#e9f5f1 100%);padding:clamp(2.5rem,6vw,5rem) 0 clamp(3rem,6vw,5.5rem)}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}
.hero::before{width:520px;height:520px;right:-140px;top:-160px;background:radial-gradient(circle at 30% 30%,rgba(31,111,159,.16),rgba(31,111,159,0) 70%)}
.hero::after{width:440px;height:440px;left:-160px;bottom:-200px;background:radial-gradient(circle at 60% 40%,rgba(44,154,135,.18),rgba(44,154,135,0) 70%)}
.hero .grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
.hero h1 span{color:var(--blue)}
.hero .lead{margin-top:1.1rem}
.ticks{list-style:none;margin:1.6rem 0 0;display:grid;gap:.7rem}
.ticks li{display:flex;gap:.7rem;align-items:flex-start;font-weight:600;color:var(--ink-soft)}
.ticks svg{flex:none;width:22px;height:22px;margin-top:2px;color:var(--teal)}
.hero-cta{margin-top:1.8rem;display:flex;flex-wrap:wrap;gap:.8rem}
.mini-note{margin-top:1.2rem;font-size:.88rem;color:var(--grey)}

/* calculator */
.calc{background:var(--white);border-radius:24px;padding:clamp(1.3rem,3vw,2rem);box-shadow:var(--shadow);border:1px solid var(--line)}
.calc h2{font-size:1.4rem}
.calc .sub{color:var(--grey);font-size:.92rem;margin:.3rem 0 1.2rem}
.field{display:grid;gap:.4rem;margin-bottom:1rem}
.field label{font-weight:700;font-size:.9rem;color:var(--ink)}
.field select,.field input[type=number],.field input[type=text],.field input[type=email],.field input[type=tel],.field textarea{width:100%;font:inherit;font-size:1rem;padding:.8rem .95rem;border-radius:12px;border:1.5px solid var(--line);background:var(--mist);color:var(--ink);transition:border-color .2s,box-shadow .2s,background .2s}
.field select:focus,.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(31,111,159,.14)}
.field textarea{min-height:96px;resize:vertical}
.range-row{display:flex;gap:1rem;align-items:center}
.range-row input[type=range]{flex:1;accent-color:var(--blue)}
.range-row output{min-width:74px;text-align:right;font-weight:800;color:var(--blue)}
.seg{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{display:block;text-align:center;padding:.65rem .4rem;border-radius:12px;border:1.5px solid var(--line);background:var(--mist);font-weight:700;font-size:.85rem;cursor:pointer;transition:all .2s;color:var(--ink-soft)}
.seg input:checked+label{background:var(--sky);border-color:var(--blue);color:var(--blue-deep)}
.result{margin-top:1.2rem;border-radius:16px;background:linear-gradient(135deg,#12303d,#1b4a63);color:#fff;padding:1.2rem 1.3rem}
.result .tag{font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#9fd7cb}
.result .price{font-size:clamp(1.8rem,4.5vw,2.5rem);font-weight:800;letter-spacing:-.02em;margin:.2rem 0}
.result p{font-size:.85rem;color:#c3d7e0;line-height:1.5}
.result .btn{margin-top:.9rem;width:100%}

/* sections */
section{padding:clamp(3rem,6vw,5.5rem) 0}
.section-head{max-width:680px;margin-bottom:2.2rem}
.section-head p{color:var(--ink-soft);margin-top:.8rem}
.band{background:var(--mist)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow-sm)}
.card .num{width:42px;height:42px;border-radius:12px;background:var(--teal-soft);color:var(--teal);display:grid;place-items:center;font-weight:800;margin-bottom:1rem}
.card p{color:var(--ink-soft);margin-top:.5rem;font-size:.98rem}

/* checker */
.checker{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(1.5rem,4vw,3rem);align-items:start}
.check-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(1.3rem,3vw,2rem);box-shadow:var(--shadow)}
.opt-grid{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;margin:.6rem 0 1.2rem}
.opt{position:relative}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt label{display:block;padding:.8rem .9rem;border-radius:12px;border:1.5px solid var(--line);background:var(--mist);font-weight:600;font-size:.92rem;cursor:pointer;transition:all .2s;color:var(--ink-soft)}
.opt input:checked+label{background:var(--sky);border-color:var(--blue);color:var(--blue-deep)}
.opt label:hover{border-color:var(--blue)}
.q{font-weight:800;margin-top:.4rem}
.verdict{margin-top:1.1rem;border-radius:16px;padding:1.1rem 1.2rem;border:1.5px solid var(--line);background:var(--mist);display:none}
.verdict.show{display:block}
.verdict h3{margin-bottom:.35rem}
.verdict.high{background:#fdeeee;border-color:#efb7b7}
.verdict.med{background:#fff8e6;border-color:#ecd48a}
.verdict.low{background:var(--teal-soft);border-color:#a6d9cd}
.verdict ul{margin:.6rem 0 0 1.1rem;color:var(--ink-soft);font-size:.95rem}
.verdict .btn{margin-top:.9rem}

/* prices */
.price-table{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.price-row{display:grid;grid-template-columns:1.4fr 1.6fr .9fr;gap:1rem;align-items:center;padding:1.05rem 1.4rem;border-bottom:1px solid var(--line)}
.price-row:last-child{border-bottom:0}
.price-row.head{background:var(--mist);font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--grey)}
.price-row .name{font-weight:700}
.price-row .name small{display:block;font-weight:500;color:var(--grey);font-size:.82rem}
.bar{position:relative;height:12px;border-radius:999px;background:var(--sky);overflow:hidden}
.bar i{position:absolute;top:0;bottom:0;left:0;border-radius:999px;background:linear-gradient(90deg,var(--teal),var(--blue));width:0}
.price-row .amt{font-weight:800;text-align:right;white-space:nowrap}
.fine{font-size:.86rem;color:var(--grey);margin-top:1rem;max-width:80ch}

/* region */
.region{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3rem);align-items:center}
.chips{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.2rem}
.chip{padding:.5rem 1rem;border-radius:999px;background:var(--teal-soft);color:#1f6f61;font-weight:700;font-size:.9rem}
.panel{background:linear-gradient(135deg,var(--sky),var(--teal-soft));border-radius:24px;padding:2rem;border:1px solid var(--line)}
.panel ul{list-style:none;display:grid;gap:.9rem}
.panel li{display:flex;gap:.7rem;font-weight:600;color:var(--ink-soft)}
.panel svg{flex:none;width:22px;height:22px;color:var(--teal);margin-top:2px}

/* faq */
.faq{max-width:820px}
details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:1.1rem 1.3rem;margin-bottom:.8rem;transition:box-shadow .2s}
details[open]{box-shadow:var(--shadow-sm)}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.4rem;color:var(--teal);font-weight:600;transition:transform .2s}
details[open] summary::after{content:"–"}
details p{margin-top:.8rem;color:var(--ink-soft);font-size:.98rem}

/* quote */
.quote{background:linear-gradient(160deg,#102a36,#17445a);color:#fff}
.quote .grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
.quote h2{color:#fff}
.quote .lead{color:#c3d7e0}
.quote .ticks li{color:#d7e7ee}
.quote .ticks svg{color:#7fd3c2}
.form-card{background:#fff;color:var(--ink);border-radius:24px;padding:clamp(1.3rem,3vw,2rem);box-shadow:0 30px 70px -30px rgba(0,0,0,.6)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}
.form-grid .full{grid-column:1/-1}
.check{display:flex;gap:.7rem;align-items:flex-start;font-size:.85rem;color:var(--ink-soft);margin:.4rem 0 1.1rem}
.check input{margin-top:.25rem;accent-color:var(--blue);width:18px;height:18px;flex:none}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.form-msg{display:none;margin-top:1rem;padding:1rem 1.1rem;border-radius:12px;font-weight:600;font-size:.95rem}
.form-msg.ok{display:block;background:var(--teal-soft);color:#1b6b5c}
.form-msg.err{display:block;background:#fdeeee;color:#9b2c2c}
input[type=file]{font:inherit;font-size:.9rem;padding:.6rem;border:1.5px dashed var(--line);border-radius:12px;background:var(--mist);width:100%}

/* footer */
footer{background:var(--slate);color:#9db4bf;padding:2.5rem 0;font-size:.88rem}
footer .wrap{display:grid;gap:1.2rem}
footer .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem}
footer a{color:#cfe1e8}
footer .brand{color:#fff}
footer small{color:#7d95a1;line-height:1.6;display:block;max-width:90ch}

/* motion safety + reveal */
.js [data-reveal]{opacity:0}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js [data-reveal]{opacity:1}
  .btn{transition:none}
}

/* responsive */
@media (max-width:960px){
  .hero .grid,.checker,.region,.quote .grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .nav a.link{display:none}
}
@media (max-width:620px){
  body{font-size:16px}
  .opt-grid,.form-grid{grid-template-columns:1fr}
  .price-row{grid-template-columns:1fr;gap:.5rem}
  .price-row.head{display:none}
  .price-row .amt{text-align:left}
  .seg{grid-template-columns:1fr}
}