:root{
  --paper:#F3F3F0;
  --paper-deep:#EAEAE5;
  --ink:#17171C;
  --ink-soft:#5C5C63;
  --ink-faint:#8B8B90;
  --rule:#D9D8D2;
  --rule-strong:#B9B8B1;
  --maxw:1120px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important; animation:none !important;}
}
body{
  margin:0;
  font-family:'Inter',-apple-system,sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-weight:400;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--ink);}
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible{
  outline:2px solid var(--ink);
  outline-offset:3px;
}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px;}
.rule{border:none; border-top:1px solid var(--rule); margin:0;}

/* ---------- Top bar ---------- */
.topbar{background:var(--ink); color:var(--paper); font-size:0.8125rem; letter-spacing:0.01em;}
.topbar .wrap{display:flex; justify-content:space-between; align-items:center; padding:9px 24px; gap:16px;}
.topbar a{color:var(--paper); text-decoration:none; border-bottom:1px solid rgba(243,243,240,0.35);}
.topbar a:hover{border-bottom-color:var(--paper);}
.topbar .meta{display:flex; gap:20px; flex-wrap:wrap;}
.topbar .book{white-space:nowrap;}
@media (max-width:640px){ .topbar .meta span:nth-child(2){display:none;} }

/* ---------- Header ---------- */
header.site{background:var(--paper); border-bottom:1px solid var(--rule); position:sticky; top:0; z-index:20;}
header.site .wrap{display:flex; align-items:center; justify-content:space-between; padding:20px 24px;}
.logo{font-size:1.375rem; font-weight:800; letter-spacing:-0.01em; text-decoration:none; color:var(--ink);}
nav.primary{display:flex; gap:32px;}
nav.primary a{text-decoration:none; font-size:0.9375rem; font-weight:500; color:var(--ink-soft);}
nav.primary a:hover, nav.primary a.active{color:var(--ink);}
.nav-toggle{display:none; background:none; border:none; font-size:1.5rem; cursor:pointer; color:var(--ink);}
@media (max-width:860px){
  nav.primary{display:none;}
  .nav-toggle{display:block;}
  nav.primary.open{
    display:flex; flex-direction:column; gap:0;
    position:absolute; top:100%; left:0; right:0;
    background:var(--paper); border-bottom:1px solid var(--rule);
    padding:8px 24px 20px;
  }
  nav.primary.open a{padding:12px 0; border-bottom:1px solid var(--rule);}
}

/* ---------- Hero (home) ---------- */
.hero{padding:88px 0 72px;}
.hero h1{font-size:clamp(2.25rem, 5.4vw, 4rem); font-weight:800; letter-spacing:-0.02em; line-height:1.05; max-width:16ch; margin:0 0 28px;}
.hero .lede{font-size:1.1875rem; color:var(--ink-soft); max-width:58ch; margin:0 0 36px; font-weight:400;}
.hero .ctas{display:flex; gap:28px; align-items:center; flex-wrap:wrap; margin-bottom:48px;}
.hero .trust{font-size:0.9375rem; color:var(--ink-faint); border-top:1px solid var(--rule); padding-top:24px;}
.hero .trust b{color:var(--ink-soft); font-weight:600;}

/* ---------- Page header (subpages) ---------- */
.page-head{padding:72px 0 56px;}
.page-head h1{font-size:clamp(2rem, 4.4vw, 3.25rem); font-weight:800; letter-spacing:-0.02em; line-height:1.08; max-width:20ch; margin:0 0 20px;}
.page-head .lede{font-size:1.125rem; color:var(--ink-soft); max-width:64ch; margin:0;}

/* ---------- Buttons / links ---------- */
.btn{display:inline-block; padding:14px 26px; font-size:0.9375rem; font-weight:600; text-decoration:none; border:1px solid var(--ink); color:var(--ink); background:transparent; cursor:pointer; font-family:inherit;}
.btn.primary{background:var(--ink); color:var(--paper);}
.btn.primary:hover{background:var(--ink-soft); border-color:var(--ink-soft);}
.btn:not(.primary):hover{background:var(--paper-deep);}
.link-plain{text-decoration:underline; text-underline-offset:3px; color:var(--ink); font-weight:600; text-decoration-color:var(--rule-strong);}
.link-plain:hover{text-decoration-color:var(--ink);}

/* ---------- Section shell ---------- */
section{padding:64px 0;}
section.alt{background:var(--paper-deep);}
.section-head{margin-bottom:44px; max-width:60ch;}
.section-head h2{font-size:clamp(1.625rem,3vw,2.125rem); font-weight:700; letter-spacing:-0.01em; margin:0 0 12px;}
.section-head p{color:var(--ink-soft); margin:0; font-size:1.0625rem;}

/* ---------- Services / detail rows (stacked, no cards) ---------- */
.service{display:grid; grid-template-columns:1fr 2fr; gap:32px; padding:36px 0; border-top:1px solid var(--rule);}
.service:last-child{border-bottom:1px solid var(--rule);}
.service h3{font-size:1.375rem; font-weight:700; margin:0;}
.service p{margin:0 0 14px; color:var(--ink-soft); max-width:62ch;}
.service .actions{display:flex; gap:24px; flex-wrap:wrap;}
@media (max-width:720px){ .service{grid-template-columns:1fr; gap:12px;} }

/* ---------- Calculators ---------- */
.calc-grid{display:grid; grid-template-columns:1fr 1fr; gap:64px;}
@media (max-width:820px){ .calc-grid{grid-template-columns:1fr; gap:48px;} }
.calc h3{font-size:1.125rem; font-weight:700; margin:0 0 4px;}
.calc .sub{color:var(--ink-faint); font-size:0.875rem; margin:0 0 28px;}
.field{margin-bottom:22px;}
.field label{display:flex; justify-content:space-between; font-size:0.875rem; color:var(--ink-soft); margin-bottom:8px;}
.field label span:last-child{font-weight:700; color:var(--ink); font-variant-numeric:tabular-nums;}
input[type=range]{width:100%; -webkit-appearance:none; appearance:none; height:1px; background:var(--rule-strong); outline:none;}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none; width:16px; height:16px; border-radius:50%; background:var(--ink); cursor:pointer; border:3px solid var(--paper); box-shadow:0 0 0 1px var(--ink);}
input[type=range]::-moz-range-thumb{width:16px; height:16px; border-radius:50%; background:var(--ink); cursor:pointer; border:3px solid var(--paper); box-shadow:0 0 0 1px var(--ink);}
.result{border-top:1px solid var(--ink); padding-top:20px; margin-top:32px;}
.result .label{font-size:0.875rem; color:var(--ink-faint); margin-bottom:6px;}
.result .number{font-size:clamp(2.5rem,6vw,3.75rem); font-weight:800; letter-spacing:-0.02em; font-variant-numeric:tabular-nums; line-height:1;}
.result .note{font-size:0.8125rem; color:var(--ink-faint); margin-top:10px;}

/* ---------- Why us / plain rows ---------- */
.why-row{display:grid; grid-template-columns:1.1fr 2fr; gap:32px; padding:28px 0; border-top:1px solid var(--rule);}
.why-row:last-child{border-bottom:1px solid var(--rule);}
.why-row h3{margin:0; font-size:1.0625rem; font-weight:700;}
.why-row p{margin:0; color:var(--ink-soft);}
@media (max-width:720px){ .why-row{grid-template-columns:1fr; gap:8px;} }

/* ---------- Testimonials ---------- */
.stat-line{font-size:1.0625rem; color:var(--ink-soft); margin-bottom:36px;}
.stat-line b{color:var(--ink); font-weight:700;}
.quotes{display:grid; grid-template-columns:1fr 1fr 1fr; gap:40px;}
@media (max-width:860px){ .quotes{grid-template-columns:1fr; gap:32px;} }
blockquote{margin:0; padding-left:18px; border-left:2px solid var(--rule-strong);}
blockquote p{font-size:1rem; margin:0 0 12px; color:var(--ink);}
blockquote footer{font-size:0.875rem; color:var(--ink-faint);}

/* ---------- Partners ---------- */
.partners{display:flex; flex-wrap:wrap; gap:8px 40px; font-size:1.0625rem; color:var(--ink-soft); font-weight:500;}

/* ---------- Footer ---------- */
footer.site{background:var(--ink); color:var(--paper); padding:56px 0 120px;}
footer.site .grid{display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; margin-bottom:40px;}
@media (max-width:720px){ footer.site .grid{grid-template-columns:1fr; gap:28px;} }
footer.site h4{font-size:0.875rem; letter-spacing:0.01em; margin:0 0 14px; color:var(--paper); font-weight:600;}
footer.site p, footer.site a{color:#B7B7B9; font-size:0.9375rem; text-decoration:none; line-height:1.7;}
footer.site a:hover{color:var(--paper);}
footer.site .links a{display:block; margin-bottom:8px;}
footer.site .rule-dark{border-top:1px solid #3A3A3F; margin:32px 0;}
footer.site .disclaimer{font-size:0.8125rem; color:#88888C; max-width:76ch;}
footer.site .bottom{display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:0.8125rem; color:#88888C;}

/* ---------- Mobile sticky bar ---------- */
.sticky-bar{display:none; position:fixed; bottom:0; left:0; right:0; z-index:30; background:var(--ink); border-top:1px solid #3A3A3F;}
.sticky-bar .wrap{display:flex; padding:0;}
.sticky-bar a{flex:1; text-align:center; padding:16px 0; color:var(--paper); text-decoration:none; font-size:0.9375rem; font-weight:600;}
.sticky-bar a:first-child{border-right:1px solid #3A3A3F;}
@media (max-width:640px){ .sticky-bar{display:block;} body{padding-bottom:52px;} }

/* ---------- Modal ---------- */
.modal-backdrop{display:none; position:fixed; inset:0; background:rgba(23,23,28,0.55); z-index:40; align-items:center; justify-content:center; padding:24px;}
.modal-backdrop.open{display:flex;}
.modal{background:var(--paper); max-width:440px; width:100%; padding:36px; position:relative;}
.modal h3{margin:0 0 6px; font-size:1.375rem; font-weight:700;}
.modal .sub{color:var(--ink-soft); margin:0 0 28px; font-size:0.9375rem;}
.modal .close{position:absolute; top:20px; right:20px; background:none; border:none; font-size:1.25rem; cursor:pointer; color:var(--ink-soft);}
.modal label{display:block; font-size:0.8125rem; color:var(--ink-soft); margin-bottom:6px; margin-top:16px;}
.modal input, .modal select{width:100%; padding:10px 0; border:none; border-bottom:1px solid var(--rule-strong); background:transparent; font-family:inherit; font-size:0.9375rem; color:var(--ink);}
.modal input:focus, .modal select:focus{outline:none; border-bottom-color:var(--ink);}
.modal .btn{width:100%; margin-top:28px; text-align:center;}

/* ---------- Inline contact form (contact page) ---------- */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:64px;}
@media (max-width:860px){ .contact-grid{grid-template-columns:1fr; gap:48px;} }
.contact-form label{display:block; font-size:0.8125rem; color:var(--ink-soft); margin-bottom:6px; margin-top:18px;}
.contact-form label:first-child{margin-top:0;}
.contact-form input, .contact-form select{width:100%; padding:12px 0; border:none; border-bottom:1px solid var(--rule-strong); background:transparent; font-family:inherit; font-size:0.9375rem; color:var(--ink);}
.contact-form input:focus, .contact-form select:focus{outline:none; border-bottom-color:var(--ink);}
.contact-form .btn{margin-top:28px;}
.map-embed{width:100%; height:340px; border:1px solid var(--rule); filter:grayscale(1) contrast(1.05);}