/* Brazos Digital — Charcoal-Zinc monochrome. Type scale: 12 / 15 / 20 / 32 / 40 px only. */
:root{--bg:#fafafa;--surface:#fff;--soft:#f4f4f5;--text:#18181b;--text2:#52525b;--muted:#71717a;--line:rgba(0,0,0,.09);--line2:rgba(0,0,0,.2);--cta:#18181b;--cta-text:#fff;--cta-hover:#3f3f46;
--font:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;--r:12px;--pill:999px}
[data-theme="dark"]{--bg:#111113;--surface:#18181b;--soft:#202024;--text:#f4f4f5;--text2:#a1a1aa;--muted:#8b8b94;--line:rgba(255,255,255,.09);--line2:rgba(255,255,255,.22);--cta:#f4f4f5;--cta-text:#18181b;--cta-hover:#d4d4d8}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
button,input,select,textarea{font:inherit;font-size:15px;color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.narrow{max-width:720px;margin:0 auto}
[hidden]{display:none!important}
/* Header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:24px;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;letter-spacing:-.01em}
.brand img{width:28px;height:28px;border-radius:7px;display:block}
.brand .logo-dark{display:none}[data-theme="dark"] .brand .logo-dark{display:block}[data-theme="dark"] .brand .logo-light{display:none}
.links{display:flex;gap:22px;margin-left:auto}
.links a{text-decoration:none;color:var(--text2)}
.links a:hover,.links a[aria-current="page"]{color:var(--text)}
.nav-actions{display:flex;gap:4px}
.icon-btn{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;border-radius:8px;cursor:pointer;color:var(--text2)}
.icon-btn:hover{background:var(--soft);color:var(--text)}
.icon-btn svg{width:18px;height:18px}
.menu-btn{display:none}
.ic-sun{display:none}[data-theme="dark"] .ic-sun{display:block}[data-theme="dark"] .ic-moon{display:none}
/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 22px;border-radius:var(--pill);border:1px solid var(--line2);background:var(--surface);color:var(--text);font-weight:600;text-decoration:none;cursor:pointer;white-space:nowrap;transition:background .15s,border-color .15s}
.btn:hover{border-color:var(--text)}
.btn-primary{background:var(--cta);border-color:var(--cta);color:var(--cta-text)}
.btn-primary:hover{background:var(--cta-hover);border-color:var(--cta-hover)}
.btn-sm{min-height:36px;padding:6px 14px;font-size:12px}
.textlink{color:var(--text2);text-decoration:underline;text-underline-offset:3px;background:none;border:0;cursor:pointer;padding:0}
.textlink:hover{color:var(--text)}
/* Type */
h1{font-size:40px;line-height:1.15;letter-spacing:-.03em;font-weight:700}
h2{font-size:32px;line-height:1.2;letter-spacing:-.02em;font-weight:700}
h3{font-size:20px;line-height:1.3;letter-spacing:-.01em;font-weight:600}
.lead{font-size:20px;line-height:1.5;color:var(--text2)}
.small,.fine{font-size:12px;color:var(--muted)}
.mono{font-family:var(--mono)}
/* Hero */
.hero{text-align:center;padding:120px 0 112px}
.hero h1{max-width:760px;margin:0 auto}
.hero .lead{max-width:600px;margin:18px auto 32px}
.hero .actions{display:flex;flex-direction:column;align-items:center;gap:14px}
.hero.tall{min-height:calc(100vh - 61px);display:flex;flex-direction:column;justify-content:center;padding:64px 0}
.drop-hint{font-size:12px;color:var(--muted)}
body.dragging .hero{outline:2px dashed var(--line2);outline-offset:-12px;border-radius:16px}
/* Sections */
.section{padding:72px 0;border-top:1px solid var(--line)}
.section h2{text-align:center;margin-bottom:40px}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.steps .n{font-family:var(--mono);font-size:12px;color:var(--muted);display:block;margin-bottom:8px}
.steps h3{margin-bottom:6px}
.steps p{color:var(--text2)}
.formats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.formats .mono{font-size:20px;font-weight:600;display:block;margin-bottom:4px}
.formats p{color:var(--text2)}
.prose{max-width:640px;margin:0 auto;color:var(--text2);text-align:center}
/* Tool / results */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:32px}
.tool{text-align:center}
.tool .actions{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:24px}
.results{padding:48px 0 72px}
.results h2{font-size:32px;margin-bottom:8px}
.status{color:var(--text2);margin-bottom:24px}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}
table{width:100%;border-collapse:collapse}
th{font-size:12px;font-weight:600;color:var(--muted);text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--soft)}
td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
td.amt,th.amt{text-align:right;font-family:var(--mono);white-space:nowrap}
tr.off td{opacity:.45}
tr.locked td{color:var(--muted)}
.masked{filter:blur(4px);user-select:none}
.unlock{display:flex;flex-direction:column;align-items:center;gap:10px;margin:32px 0 8px;text-align:center}
details{border-top:1px solid var(--line);padding:16px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;color:var(--text2);font-weight:500;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:" +";color:var(--muted)}
details[open] summary::after{content:" −"}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-size:12px;color:var(--muted)}
.input{min-height:40px;padding:8px 12px;border:1px solid var(--line2);border-radius:10px;background:var(--surface);color:var(--text);outline:none;width:100%}
.input:focus{border-color:var(--text)}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:16px}
.plan{border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:8px}
.plan .price{font-size:32px;font-weight:700;letter-spacing:-.02em}
.plan p{color:var(--text2)}
.plan .btn{margin-top:auto}
/* Footer */
.site-footer{border-top:1px solid var(--line);padding:40px 0 56px;font-size:12px;color:var(--muted)}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:16px}
.foot-links a{text-decoration:none;color:var(--text2)}
.foot-links a:hover{color:var(--text)}
.site-footer p{margin-top:6px}
/* Estimator preview */
.preview-bar{height:40px;display:flex;align-items:center;justify-content:center;gap:8px;border-bottom:1px solid var(--line);font-size:12px;color:var(--text2);background:var(--surface)}
.preview-bar strong{color:var(--text);font-weight:600}
.est{padding:32px 0 64px}
.est h1{font-size:32px;text-align:center;margin-bottom:24px}
.est-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}
.quote{text-align:center}
.quote .range{font-size:40px;font-weight:700;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.2;margin:6px 0}
.quote .btn{width:100%;margin-top:20px}
.calc .field{margin-bottom:18px}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg button{min-height:36px;padding:6px 14px;border-radius:var(--pill);border:1px solid var(--line2);background:var(--surface);cursor:pointer;font-size:12px;font-weight:500}
.seg button[aria-pressed="true"]{background:var(--cta);color:var(--cta-text);border-color:var(--cta)}
input[type=range]{width:100%;accent-color:var(--cta)}
.kv{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted)}
.kv b{color:var(--text);font-weight:600;font-family:var(--mono)}
.code{font-family:var(--mono);font-size:12px;background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:12px;white-space:pre-wrap;word-break:break-all;color:var(--text2)}
.note{font-size:12px;color:var(--text2);line-height:1.6}
.stack>*+*{margin-top:20px}
/* MapPack */
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:24px}
.kpi{border:1px solid var(--line);border-radius:var(--r);padding:16px}
.kpi .v{font-size:32px;font-weight:700;font-family:var(--mono);letter-spacing:-.02em;line-height:1.2}
.kpi .l{font-size:12px;color:var(--muted)}
.pre{font-family:var(--mono);font-size:12px;white-space:pre-wrap;color:var(--text2);background:var(--soft);border-radius:10px;padding:14px;border:1px solid var(--line)}
@media (max-width:860px){.steps,.formats,.est-grid,.plans{grid-template-columns:1fr}.grid4,.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){
 .wrap{padding:0 20px}
 h1{font-size:32px}
 h2,.results h2{font-size:20px}
 .lead{font-size:15px}
 .hero{padding:56px 0 48px}
 .hero.tall{min-height:calc(100svh - 61px);padding:40px 0}
 .section{padding:48px 0}
 .section h2{margin-bottom:24px}
 .links{display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;gap:0;background:var(--surface);border-bottom:1px solid var(--line);padding:8px 20px 16px}
 .links a{padding:12px 0;border-bottom:1px solid var(--line)}
 .links.open{display:flex}
 .menu-btn{display:inline-flex}
 .nav-actions{margin-left:auto}
 .panel{padding:20px}
 .grid2{grid-template-columns:1fr}
 .btn{white-space:normal;text-align:center}
 .hero .btn,.tool .btn,.unlock .btn{width:100%}
 .est{padding:16px 0 48px}
 .est h1{font-size:20px;margin-bottom:12px}
 .quote .range{font-size:32px}
 .formats .mono{font-size:15px}
}