/* Davis Family Surveying — shared styles for every page.
   Layout: plat-drawing hero on Home, contour page-headers elsewhere, field-book sections on a cool survey-paper ground; one flagging-tape accent. */
:root{
  color-scheme:light;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
  --paper:#f1ece0;
  --paper-2:#e5dece;
  --ink:#2a321f;
  --ink-soft:#5c624d;
  --line:#cfc5ae;
  --contour:#d3c8ae;
  --tape:#a94b22;
  --tape-ink:#ffffff;
  --field:#3a4427;
  --field-ink:#efe8d8;
  --sky:#e6d7b8;
  --hill-far:#cdbf9c;
  --hill-mid:#9c9a6e;
  --hill-near:#6f7447;
  --oak:#4f5833;
  --map-paper:#e8d9b5;
  --logo-filter:none;
  --logo-bg:#ffffff;
  --mark-filter:none;
  --map-ink:#6e4f2b;
  --map-water:#4f7077;
  --f-map:"IM Fell English",Georgia,"Times New Roman",serif;
  --f-display:"Archivo","Arial Narrow",Arial,sans-serif;
  --f-body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#181b12;--paper-2:#21251a;--ink:#ece5d3;--ink-soft:#b2ab95;--line:#3b402d;--contour:#2f3424;
  --tape:#df7a47;--tape-ink:#1b0e07;--field:#10130b;--field-ink:#ece5d3;--sky:#2a2a1b;--hill-far:#2e3121;--hill-mid:#252a1a;--hill-near:#1d2114;--oak:#151a0e;--map-paper:#231d13;--map-ink:#b89a6a;--map-water:#7d9ea2;--mark-filter:invert(.92);color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#181b12;--paper-2:#21251a;--ink:#ece5d3;--ink-soft:#b2ab95;--line:#3b402d;--contour:#2f3424;
  --tape:#df7a47;--tape-ink:#1b0e07;--field:#10130b;--field-ink:#ece5d3;--sky:#2a2a1b;--hill-far:#2e3121;--hill-mid:#252a1a;--hill-near:#1d2114;--oak:#151a0e;--map-paper:#231d13;--map-ink:#b89a6a;--map-water:#7d9ea2;--mark-filter:invert(.92);color-scheme:dark}

*{box-sizing:border-box}
img{max-width:100%}
[hidden]{display:none!important}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.6}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;line-height:1.05}
h2{font-size:clamp(1.9rem,4vw,2.6rem);font-weight:800;font-stretch:125%;letter-spacing:-.01em}
h3{font-size:1.2rem;font-weight:700;font-stretch:112%}
p{margin:0}
.eyebrow{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}
.ph{background:color-mix(in srgb,var(--tape) 14%,transparent);border-bottom:1px dashed var(--tape);padding:0 .2em;font-family:var(--f-mono);font-size:.9em}
a{color:inherit}
:focus-visible{outline:3px solid var(--tape);outline-offset:2px}

/* Nav */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--paper)}
nav{border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:env(safe-area-inset-top,0px);z-index:5}
nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px 16px;padding-block:14px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand b{font-family:var(--f-display);font-weight:800;font-stretch:125%;font-size:1.05rem;letter-spacing:.01em;text-transform:uppercase}
.brand small{display:block;font-family:var(--f-mono);font-size:.68rem;color:var(--ink-soft);letter-spacing:.06em}
.links{display:flex;gap:6px 22px;align-items:center;font-size:.95rem;flex-wrap:wrap}
.links a{text-decoration:none;color:var(--ink-soft);padding-block:4px;border-bottom:2px solid transparent}
.links a:hover{color:var(--ink)}
.links a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--tape)}
.btn{display:inline-block;background:var(--tape);color:var(--tape-ink);text-decoration:none;padding:.7em 1.2em;border-radius:4px;border:0;font:600 1rem var(--f-body);cursor:pointer}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.links .btn{color:var(--tape-ink);padding:.5em 1em;border-bottom:0}
.links .btn[aria-current="page"]{outline:2px solid var(--ink);outline-offset:2px}

/* Contours shared by hero + page headers */
.contours{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.contours path{fill:none;stroke:var(--contour);stroke-width:1.2}

/* Home hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding-block:64px 56px;position:relative}
.hero h1{font-size:clamp(2.4rem,6vw,4.4rem);font-weight:800;font-stretch:125%;letter-spacing:-.02em;margin:14px 0 20px}
.hero h1 em{font-style:normal;color:var(--tape)}
.lead{font-size:1.15rem;color:var(--ink-soft);max-width:34em}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.plat{background:var(--paper);border:1px solid var(--line);padding:14px;max-width:100%;margin:0}
.plat svg{display:block;width:100%;height:auto}
.plat .lot{fill:color-mix(in srgb,var(--tape) 7%,transparent);stroke:var(--ink);stroke-width:2}
.plat .bldg{fill:none;stroke:var(--ink-soft);stroke-width:1.2;stroke-dasharray:4 3}
.plat .mon{fill:var(--paper);stroke:var(--tape);stroke-width:2.2}
.plat text{font-family:var(--f-mono);font-size:11px;fill:var(--ink)}
.plat .soft{fill:var(--ink-soft)}
.plat .road{stroke:var(--ink-soft);stroke-width:1;stroke-dasharray:10 6}
.plat figcaption{font-family:var(--f-mono);font-size:.72rem;color:var(--ink-soft);display:flex;justify-content:space-between;gap:10px;border-top:1px solid var(--line);margin-top:10px;padding-top:8px;flex-wrap:wrap}

/* Inner page header */
.page-head{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-head .wrap{position:relative;padding-block:56px 44px;display:grid;gap:14px}
.page-head h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;font-stretch:125%;letter-spacing:-.02em}

/* Sections */
section{padding-block:72px}
.sec-head{display:grid;gap:12px;margin-bottom:36px;max-width:40em}
.sec-head p{color:var(--ink-soft)}
.services{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));border-top:2px solid var(--ink);column-gap:28px}
.svc{padding:24px 0 28px;border-bottom:1px solid var(--line);display:grid;gap:8px;align-content:start;min-width:0}
.svc .code{font-family:var(--f-mono);font-size:.75rem;color:var(--tape);letter-spacing:.06em}
.svc p{color:var(--ink-soft);font-size:.97rem}
.svc .use{font-family:var(--f-mono);font-size:.75rem;color:var(--ink-soft)}
.svc ul{margin:4px 0 0;padding-left:1.1em;color:var(--ink-soft);font-size:.95rem}
.more{margin-top:28px}
.more a{font-weight:600;text-decoration-color:var(--tape);text-underline-offset:4px}

.why{background:var(--field);color:var(--field-ink)}
.why .eyebrow{color:color-mix(in srgb,var(--field-ink) 70%,transparent)}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:32px}
.why-grid div{display:grid;gap:8px;border-top:1px solid color-mix(in srgb,var(--field-ink) 30%,transparent);padding-top:16px;align-content:start}
.why-grid p{color:color-mix(in srgb,var(--field-ink) 78%,transparent);font-size:.97rem}

.two{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.counties{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.counties span{font-family:var(--f-mono);font-size:.85rem;border:1px solid var(--ink);padding:.35em .8em;border-radius:3px}
.prose{display:grid;gap:14px;max-width:38em}
.prose p{color:var(--ink-soft)}
.facts{display:grid;gap:0;border-top:2px solid var(--ink)}
.facts div{display:grid;grid-template-columns:minmax(0,10em) minmax(0,1fr);gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:.97rem}
.facts dt,.facts .k{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);padding-top:2px}

.band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-block:40px}
.band h2{font-size:clamp(1.5rem,3vw,2rem)}

/* Quote form */
.quote .wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px}
form{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px;background:var(--paper);border:1px solid var(--line);padding:28px;min-width:0}
.f{display:grid;gap:6px;min-width:0}
.f.full{grid-column:1/-1}
label{font-size:.85rem;font-weight:600}
label .opt{font-weight:400;color:var(--ink-soft)}
input,select,textarea{font:inherit;font-size:.97rem;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:.6em .7em;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--tape);outline:2px solid color-mix(in srgb,var(--tape) 35%,transparent)}
textarea{min-height:90px;resize:vertical}
.form-foot{grid-column:1/-1;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.notice{font-size:.9rem;color:var(--ink-soft)}
.sent{grid-column:1/-1;border-left:3px solid var(--tape);padding:10px 14px;background:var(--paper-2);font-size:.95rem}
.steps{display:grid;gap:14px;margin:24px 0 0;padding:0;list-style:none;counter-reset:s}
.steps li{display:grid;grid-template-columns:28px 1fr;gap:10px;color:var(--ink-soft);font-size:.97rem}
.steps li::before{counter-increment:s;content:counter(s);font-family:var(--f-mono);font-size:.8rem;color:var(--tape);border:1.5px solid var(--tape);border-radius:50%;width:24px;height:24px;display:grid;place-items:center}
.quote-side{display:grid;gap:12px;align-content:start}
.quote-side .tip{margin-top:20px;font-size:.92rem;color:var(--ink-soft);border-top:1px solid var(--line);padding-top:16px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:28px}
.contact-grid div{display:grid;gap:6px;align-content:start}
.contact-grid .val{font-size:1.15rem;font-weight:600}

footer{border-top:2px solid var(--ink);padding-block:28px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--f-mono);font-size:.78rem;color:var(--ink-soft)}

@media (max-width:820px){
  .hero .wrap,.two,.quote .wrap{grid-template-columns:1fr}
  .links{width:100%;gap:4px 18px;font-size:.92rem}
  section{padding-block:56px}
}
@media (max-width:520px){
  form{grid-template-columns:1fr;padding:20px}
  .facts div{grid-template-columns:1fr;gap:2px}
}
@media (prefers-reduced-motion:no-preference){
  .plat .lot{stroke-dasharray:1200;animation:draw 1.6s ease-out}
  @keyframes draw{from{stroke-dashoffset:1200}to{stroke-dashoffset:0}}
}

/* Service groups (Surveying / Planning & advisory) */
.group{display:grid;gap:18px}
.group + .group{margin-top:56px}
.group-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px 16px;flex-wrap:wrap}
.group-head h2{font-size:clamp(1.5rem,3vw,2rem)}
.group-head p{color:var(--ink-soft);max-width:34em}
.split{display:grid;grid-template-columns:1fr 1fr;gap:28px 48px}
.split .col{display:grid;gap:0;align-content:start;border-top:2px solid var(--ink)}
.split .col > .eyebrow{padding:14px 0 4px;color:var(--tape)}
.split .row{padding:14px 0;border-bottom:1px solid var(--line);display:grid;gap:4px}
.split .row p{color:var(--ink-soft);font-size:.95rem}
@media (max-width:820px){.split{grid-template-columns:1fr}}

/* Home hero: historic Texas survey map */
.hero{background:var(--map-paper)}
.oldmap{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.oldmap .m-paper{fill:var(--map-paper)}
.oldmap .m-stain{opacity:.35}
.oldmap .m-tex{opacity:.55;mix-blend-mode:multiply}
.oldmap .grat line{stroke:var(--map-ink);stroke-width:.6;opacity:.35}
.oldmap .county path{fill:none;stroke:var(--map-ink);stroke-width:1.4;stroke-dasharray:14 5 2 5;opacity:.6}
.oldmap .hach path{fill:none;stroke:var(--map-ink);stroke-width:1;opacity:.55}
.oldmap .strips rect{fill:none;stroke:var(--map-ink);stroke-width:.9;opacity:.45}
.oldmap .water{fill:none;stroke:var(--map-water);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;opacity:.85}
.oldmap .water.thin{stroke-width:1.5}
.oldmap .towns circle{fill:var(--map-paper);stroke:var(--map-ink);stroke-width:1.6}
.oldmap text{fill:var(--map-ink);font-family:var(--f-map)}
.oldmap .lbl-town{font-size:20px}
.oldmap .lbl-river{font-size:18px;font-style:italic;fill:var(--map-water)}
.oldmap .lbl-county{font-size:22px;opacity:.75}
.oldmap .lbl-s{font-size:14px;font-style:italic;opacity:.8}
.oldmap .deg{font-size:12px;opacity:.7}
.oldmap .rose circle{fill:none;stroke:var(--map-ink);stroke-width:1;opacity:.7}
.oldmap .rose-fill{fill:none;stroke:var(--map-ink);stroke-width:1.2}
.oldmap .rose-dark{fill:var(--map-ink)}
.oldmap .rose-n{font-size:20px;text-anchor:middle}
.oldmap .sb1{fill:var(--map-ink)} .oldmap .sb2{fill:none;stroke:var(--map-ink)}
.map-fade{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,color-mix(in srgb,var(--map-paper) 88%,transparent) 0%,color-mix(in srgb,var(--map-paper) 70%,transparent) 45%,transparent 72%)}
.hero .wrap{padding-block:72px 64px}
.hero .lead{color:var(--ink)}
@media (max-width:820px){.map-fade{background:color-mix(in srgb,var(--map-paper) 78%,transparent)}}
.logo-card{margin:0;padding:clamp(20px,4vw,40px);background:var(--logo-bg);border:1px solid color-mix(in srgb,var(--map-ink) 30%,transparent);box-shadow:0 10px 30px -12px color-mix(in srgb,var(--map-ink) 45%,transparent);max-width:100%}
.logo-card img{display:block;width:100%;height:auto;filter:var(--logo-filter)}
.brand-mark{display:block;height:34px;width:auto;filter:var(--mark-filter)}

/* Services dropdown */
.dd{position:relative;display:flex;align-items:center;gap:2px}
.dd-toggle{background:none;border:0;color:var(--ink-soft);padding:6px 4px;cursor:pointer;display:grid;place-items:center}
.dd-toggle:hover{color:var(--ink)}
.dd-menu{display:none;position:absolute;top:calc(100% + 4px);left:0;z-index:20;min-width:220px;padding:6px 0;background:var(--paper);border:1px solid var(--line);border-top:2px solid var(--tape);box-shadow:0 12px 28px -12px color-mix(in srgb,var(--ink) 40%,transparent)}
.dd-menu::before{content:"";position:absolute;left:0;right:0;top:-8px;height:8px}
.dd:hover .dd-menu,.dd:focus-within .dd-menu,.dd.open .dd-menu{display:grid}
.links .dd-menu a{padding:8px 16px;border-bottom:0;color:var(--ink)}
.links .dd-menu a:hover{background:var(--paper-2)}
[id]{scroll-margin-top:96px}

/* File attachments */
.lbl{font-size:.85rem;font-weight:600}
.drop{display:grid;gap:4px;justify-items:center;text-align:center;padding:22px 16px;border:1.5px dashed var(--line);border-radius:4px;background:var(--paper-2);cursor:pointer;font-weight:400}
.drop:hover,.drop.over{border-color:var(--tape);background:color-mix(in srgb,var(--tape) 6%,var(--paper-2))}
.drop:focus-within{outline:2px solid color-mix(in srgb,var(--tape) 45%,transparent);outline-offset:2px}
.drop input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.drop-main{font-size:.97rem}
.drop-main b{color:var(--tape)}
.drop-sub{font-size:.8rem;color:var(--ink-soft)}
.file-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.file-list:empty{display:none}
.file-list li{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:12px;align-items:center;padding:8px 12px;border:1px solid var(--line);border-radius:3px;font-size:.9rem}
.file-list .fn{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-list .fs{font-family:var(--f-mono);font-size:.78rem;color:var(--ink-soft)}
.file-list .rm{background:none;border:0;color:var(--tape);font:600 .85rem var(--f-body);cursor:pointer;padding:2px 4px}
.file-err{color:var(--tape);font-size:.88rem}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.sent[data-kind="error"]{border-left-color:var(--tape);color:var(--tape)}
input[aria-invalid="true"]{border-color:var(--tape)}
.btn:disabled{opacity:.6;cursor:wait}