/* ============================================================
   PRECISION COST SEGREGATION — Blueprint Strata design system
   Edit colors / type here once; every page inherits it.
   ============================================================ */
:root{
  --navy:#164366;
  --navy-deep:#0f3450;
  --cyan:#2B9A96;
  --cyan-soft:#7fd6d2;
  --paper:#fbfaf7;
  --paper-2:#f5f2ec;
  --ink:#1d2a34;
  --line:rgba(22,67,102,.22);
  --line-soft:rgba(22,67,102,.12);
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Mulish',-apple-system,system-ui,sans-serif;
  color:var(--ink);background:var(--paper);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--line-soft) 1px,transparent 1px),
    linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:64px 64px;opacity:.5;
  mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 80%);
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;position:relative;z-index:1}
a{color:inherit;text-decoration:none}
.mono{font-family:'Mulish',sans-serif;font-variant-numeric:tabular-nums}

/* ---------- type ---------- */
.eyebrow{font-family:'Mulish',sans-serif;font-size:12px;letter-spacing:.32em;text-transform:uppercase;color:var(--cyan);font-weight:500;display:inline-flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--cyan)}
h1,h2,h3{font-family:'Fraunces',Georgia,serif;color:var(--navy);line-height:1.05;letter-spacing:-.01em}
h2.section-title{font-size:clamp(30px,4.4vw,52px);font-weight:800;margin:18px 0 0}
.lead{font-size:clamp(16px,1.5vw,19px);max-width:62ch;color:#3a4a55}
.sig{font-family:'Fraunces';font-style:italic;color:var(--cyan);font-size:18px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:'Mulish',sans-serif;font-weight:700;font-size:14px;letter-spacing:.02em;padding:13px 24px;border-radius:2px;cursor:pointer;border:1px solid var(--navy);transition:.2s;white-space:nowrap}
.btn-primary{background:var(--navy);color:var(--paper)}
.btn-primary:hover{background:#1d567f}
.btn-ghost{background:transparent;color:var(--navy)}
.btn-ghost:hover{background:var(--navy);color:var(--paper)}
.btn .arr{font-family:'Mulish'}

/* ---------- nav ---------- */
header.nav{position:sticky;top:0;z-index:50;background:rgba(251,250,247,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:46px;width:auto;display:block;transition:height .4s cubic-bezier(.4,0,.2,1)}
.nav-inner{transition:height .4s cubic-bezier(.4,0,.2,1)}
/* home page: oversized logo held inside a taller ribbon, collapsing on scroll.
   JS toggles .shrink with hysteresis (two thresholds) so it never flickers. */
body.home .nav-inner{height:158px}
body.home .brand img{height:138px}
body.home header.nav.shrink .nav-inner{height:74px}
body.home header.nav.shrink .brand img{height:46px}
nav.links{display:flex;align-items:center;gap:32px}
nav.links a{font-size:14.5px;font-weight:500;color:var(--navy);opacity:.82;transition:opacity .2s}
nav.links a:hover,nav.links a.active{opacity:1}
nav.links a.active{color:var(--cyan)}
nav.links a.btn-primary,nav.links a.btn-primary.active{color:var(--paper);opacity:1}
nav.links a.btn-primary:hover{color:var(--paper)}
nav.links a.btn-ghost{color:var(--navy);opacity:1}
.menu-btn{display:none;background:none;border:1px solid var(--line);padding:9px 12px;border-radius:2px;cursor:pointer;color:var(--navy);font-family:'Mulish';font-size:12px}

/* ---------- page hero (inner pages) ---------- */
.page-hero{padding:64px 0 40px;border-bottom:1px solid var(--line-soft)}
.crumb{font-family:'Mulish';font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#7a8893;margin-bottom:20px}
.crumb a{color:var(--cyan)}
.page-hero h1{font-size:clamp(36px,5.4vw,64px);font-weight:900;margin-top:14px}
.page-hero .lead{margin-top:20px}

/* ---------- home hero ---------- */
.hero{position:relative;padding:78px 0 30px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.hero h1{font-size:clamp(40px,6.2vw,76px);font-weight:900;margin:22px 0 0}
.hero h1 .em{color:var(--cyan)}
.hero .sub{margin-top:24px;font-size:clamp(16px,1.6vw,19px);color:#3a4a55;max-width:54ch}
.hero .cta-row{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.hero .micro{margin-top:26px;display:flex;gap:26px;flex-wrap:wrap}
.hero .micro div{display:flex;flex-direction:column}
.hero .micro .n{font-family:'Mulish';font-weight:600;font-size:22px;color:var(--navy)}
.hero .micro .l{font-size:12px;color:#5a6a74}

/* strata illustration */
.strata-art{position:relative;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.35),rgba(255,255,255,0));padding:30px 26px 26px;border-radius:3px}
.strata-art .crn{position:absolute;width:9px;height:9px;border:1px solid var(--cyan)}
.crn.tl{top:-1px;left:-1px;border-right:0;border-bottom:0}
.crn.tr{top:-1px;right:-1px;border-left:0;border-bottom:0}
.crn.bl{bottom:-1px;left:-1px;border-right:0;border-top:0}
.crn.br{bottom:-1px;right:-1px;border-left:0;border-top:0}
.strata-art .cap{font-family:'Mulish';font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#5a6a74;display:flex;justify-content:space-between;margin-bottom:18px}
.layer{display:grid;grid-template-columns:54px 1fr auto;align-items:center;gap:14px;padding:11px 0;border-top:1px dashed var(--line)}
.layer:first-of-type{border-top:0}
.layer .yr{font-family:'Mulish';font-size:12px;color:var(--cyan);font-weight:600}
.layer .bar{height:14px;background:var(--navy);border-radius:1px;opacity:.9}
.layer .bar.acc{background:var(--cyan)}
.layer .nm{font-size:12.5px;color:var(--navy);font-weight:600;white-space:nowrap}
.strata-art .foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-family:'Mulish';font-size:11px;color:#5a6a74;display:flex;justify-content:space-between}

/* ---------- trust strip ---------- */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2);margin-top:46px}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.trust .cell{padding:30px 26px;border-left:1px solid var(--line-soft)}
.trust .cell:first-child{border-left:0}
.trust .n{font-family:'Fraunces';font-weight:800;font-size:34px;color:var(--navy);line-height:1}
.trust .n .u{color:var(--cyan);font-size:22px}
.trust .l{margin-top:8px;font-size:13px;color:#5a6a74}

/* ---------- sections ---------- */
section.blk{padding:90px 0}
.blk-head{max-width:760px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:start;margin-top:46px}
.defcard{border:1px solid var(--line);background:rgba(255,255,255,.4);padding:30px;border-radius:3px;position:relative}
.defcard h3{font-size:20px;margin-bottom:10px;font-weight:700}
.defcard p{font-size:15px;color:#3a4a55}
.defcard .tick{font-family:'Mulish';font-size:11px;color:var(--cyan);letter-spacing:.18em;text-transform:uppercase;margin-bottom:16px;display:block}

/* process timeline */
.timeline{margin-top:54px;position:relative}
.rod{position:absolute;top:34px;left:0;right:0;height:1px;background:var(--navy)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step{position:relative;padding-top:64px}
.step::before{content:"";position:absolute;top:30px;left:0;width:1px;height:9px;background:var(--navy)}
.step .num{position:absolute;top:18px;left:0;font-family:'Mulish';font-size:12px;color:var(--cyan);font-weight:600}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:#3a4a55}

/* calculator */
.calc-sec{background:var(--navy);color:var(--paper);position:relative;overflow:hidden}
.calc-sec::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:54px 54px;mask-image:radial-gradient(circle at 70% 20%,#000,transparent 75%)}
.calc-sec .eyebrow{color:var(--cyan-soft)}
.calc-sec .eyebrow::before{background:var(--cyan-soft)}
.calc-sec h2{color:#fff}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-top:44px;align-items:stretch}
.field{margin-bottom:22px}
.field label{display:flex;justify-content:space-between;font-size:13px;letter-spacing:.04em;color:#bcd3e2;margin-bottom:9px;text-transform:uppercase;font-family:'Mulish'}
.field label b{color:#fff;font-weight:600}
.field input[type=range]{width:100%;accent-color:var(--cyan);height:3px}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg button{flex:1;min-width:80px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.25);color:#cfe0ec;padding:11px;border-radius:2px;cursor:pointer;font-family:'Mulish';font-size:13px;transition:.15s}
.seg button.on{background:var(--cyan);border-color:var(--cyan);color:#06302e;font-weight:600}
.result{border:1px solid rgba(127,214,210,.4);border-radius:3px;padding:30px;background:rgba(43,154,150,.08);display:flex;flex-direction:column;justify-content:center}
.result .rk{font-family:'Mulish';font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan-soft)}
.result .big{font-family:'Fraunces';font-weight:900;font-size:clamp(44px,6vw,68px);color:#fff;line-height:1;margin:10px 0}
.result .rsub{font-size:14px;color:#bcd3e2;max-width:38ch}
.result .rrow{display:flex;justify-content:space-between;padding:13px 0;border-top:1px dashed rgba(255,255,255,.2);font-size:14px;margin-top:6px}
.result .rrow:first-of-type{margin-top:20px}
.result .rrow b{font-family:'Mulish';color:#fff}
.disclaimer{margin-top:26px;font-size:12px;color:#9fb6c6;font-family:'Mulish';max-width:70ch}
/* calculator typed inputs (basis box + year fields) */
.calc-sec .kin{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.28);border-radius:2px;color:#fff;font-family:'Mulish',sans-serif;font-size:16px;padding:13px 14px;outline:none;transition:border-color .15s}
.calc-sec .kin:focus{border-color:var(--cyan)}
.calc-sec .kin::placeholder{color:#7fa0b5}
.calc-sec .kwrap{display:flex;align-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.28);border-radius:2px;transition:border-color .15s}
.calc-sec .kwrap:focus-within{border-color:var(--cyan)}
.calc-sec .kwrap .kpre{padding:0 2px 0 14px;color:var(--cyan-soft);font-family:'Mulish';font-size:16px}
.calc-sec .kwrap .kin{border:0;background:transparent}
.yr-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.calc-sec .kyr{display:flex;flex-direction:column;gap:7px}
.calc-sec .kyr span{font-family:'Mulish';font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#bcd3e2}
.bonus-out{display:flex;justify-content:space-between;align-items:center;border:1px dashed rgba(127,214,210,.55);border-radius:2px;padding:12px 14px;margin-top:14px;color:#bcd3e2;font-family:'Mulish';font-size:12px;letter-spacing:.06em;text-transform:uppercase}
.bonus-out b{color:#fff;font-size:22px;font-family:'Fraunces',Georgia,serif;text-transform:none;letter-spacing:0}
.bonus-note{font-family:'Mulish';font-size:12px;color:#9fb6c6;margin-top:7px}
.calc-sec .field{margin-bottom:26px}
.calc-sec input[type=number]::-webkit-outer-spin-button,.calc-sec input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.calc-sec input[type=number]{-moz-appearance:textfield;appearance:textfield}
.btn-cyan{background:var(--cyan);border-color:var(--cyan);color:#06302e}
.btn-cyan:hover{background:#36b6b0;border-color:#36b6b0;color:#04211f}

/* grids of cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:46px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:46px}
.card{border:1px solid var(--line);padding:28px;border-radius:3px;background:rgba(255,255,255,.4);position:relative}
.card .ix{font-family:'Mulish';font-size:12px;color:var(--cyan)}
.card .big-stat{font-family:'Fraunces',Georgia,serif;font-weight:800;font-size:clamp(28px,3.2vw,40px);color:var(--cyan);line-height:1;margin-bottom:12px;letter-spacing:-.01em}
.card h3{font-size:18px;font-weight:700;margin:14px 0 8px}
.card p{font-size:14px;color:#3a4a55}
.card ul{margin:12px 0 0 0;padding-left:18px}
.card li{font-size:14px;color:#3a4a55;margin-bottom:6px}

/* faq */
.faq{margin-top:40px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;font-family:'Fraunces';font-weight:700;font-size:18px;color:var(--navy)}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{font-family:'Mulish';color:var(--cyan);font-size:20px;transition:.2s}
.faq details[open] summary .pm{transform:rotate(45deg)}
.faq p{padding:0 0 24px;font-size:15px;color:#3a4a55;max-width:78ch}

/* contact form */
.form-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:54px;margin-top:46px;align-items:start}
.formcard{border:1px solid var(--line);border-radius:3px;background:rgba(255,255,255,.45);padding:34px;position:relative}
.fld{margin-bottom:20px}
.fld label{display:block;font-family:'Mulish';font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--navy);margin-bottom:8px}
.fld input,.fld select,.fld textarea{width:100%;border:1px solid var(--line);border-radius:2px;background:var(--paper);padding:13px 14px;font-family:'Mulish';font-size:15px;color:var(--ink);outline:none;transition:border .15s}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--cyan)}
.fld textarea{min-height:120px;resize:vertical}
.fld.row{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:end}
.fld.row>div{display:flex;flex-direction:column}
.fld.row>div label{min-height:15px}
.fld.row>div input,.fld.row>div select{margin-top:auto}
.contact-aside .line{display:flex;gap:14px;align-items:flex-start;padding:18px 0;border-bottom:1px dashed var(--line)}
.contact-aside .line .k{font-family:'Mulish';font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);min-width:74px;padding-top:3px}
.contact-aside .line a,.contact-aside .line span{font-size:16px;color:var(--navy);font-weight:600}
.form-note{font-family:'Mulish';font-size:12px;color:#7a8893;margin-top:16px}

/* prose (about etc.) */
.prose{max-width:72ch;margin-top:30px}
.prose p{font-size:16px;color:#3a4a55;margin-bottom:20px}
.prose p.sig{font-size:20px;margin-top:30px}

/* cta */
.cta{padding:96px 0;text-align:center}
.cta h2{font-size:clamp(32px,5vw,58px);font-weight:900;max-width:18ch;margin:18px auto 0}
.cta .lead{margin:22px auto 0}
.cta .cta-row{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* footer */
footer{border-top:1px solid var(--line);background:var(--paper-2);padding:50px 0 36px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.foot-grid .bn{font-family:'Fraunces';font-weight:800;color:var(--navy);font-size:18px;letter-spacing:.03em}
.foot-grid p{font-size:13.5px;color:#5a6a74;margin-top:10px;max-width:34ch}
.foot-col h4{font-family:'Mulish';font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.foot-col a{display:block;font-size:14px;color:var(--navy);opacity:.8;margin-bottom:9px}
.foot-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-family:'Mulish';font-size:11.5px;color:#7a8893}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}

@media(max-width:900px){
  .hero-grid,.two,.calc-grid,.foot-grid,.form-grid{grid-template-columns:1fr}
  .grid3,.grid2,.steps,.trust .wrap{grid-template-columns:1fr 1fr}
  .rod{display:none}
  .step{padding-top:34px}.step::before{display:none}
  nav.links{display:none}
  .menu-btn{display:inline-block}
  nav.links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--paper);border-bottom:1px solid var(--line);padding:18px 28px;gap:18px}
  body.home .nav-inner{height:118px}
  body.home .brand img{height:96px}
  .hero{padding-top:48px}
}
@media(max-width:560px){
  .grid3,.grid2,.steps,.trust .wrap,.fld.row{grid-template-columns:1fr}
  .trust .cell{border-left:0;border-top:1px solid var(--line-soft)}
}