/* PANTHER SURVEYING LLC — field-book / plat aesthetic */
:root {
  --ink: #10221F;
  --ink-2: #183330;
  --paper: #F2EEE4;
  --paper-2: #E8E2D4;
  --flag: #D9531E;
  --flag-dark: #B4421A;
  --contour: #2E6B66;
  --graphite: #4B514E;
  --white: #FFFFFF;
  --muted-on-ink: #B9C6C2;

  --font-display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  --s-1: .25rem; --s-2: .5rem; --s-3: .75rem; --s-4: 1rem; --s-5: 1.5rem;
  --s-6: 2rem; --s-7: 3rem; --s-8: 4.5rem; --s-9: 6.5rem;

  --r-sm: 2px; --r-md: 4px;
  --shadow: 0 1px 0 rgba(16,34,31,.08), 0 10px 30px -18px rgba(16,34,31,.45);
  --line: 1px solid rgba(16,34,31,.18);
  --line-ink: 1px solid rgba(242,238,228,.16);
  --maxw: 1180px;
  --header-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-display);
  font-variation-settings: "wdth" 100;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.08; margin: 0; font-weight: 800; letter-spacing: -.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.mono { font-family: var(--font-mono); }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--s-4); }
:focus-visible { outline: 2px solid var(--flag); outline-offset: 3px; }

.skip {
  position: absolute; left: var(--s-4); top: -100px; z-index: 100;
  background: var(--flag); color: var(--white); padding: var(--s-2) var(--s-4);
}
.skip:focus { top: var(--s-2); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--ink); color: var(--paper);
  border-bottom: var(--line-ink);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: var(--s-3); text-decoration: none; }
.brand-mark { color: var(--paper); flex: none; }
.brand-text, .brand-footer {
  font-weight: 800; font-size: 1.15rem; text-transform: uppercase;
  font-variation-settings: "wdth" 75; letter-spacing: .02em; text-decoration: none;
}
.brand-text span, .brand-footer span { color: var(--flag); margin-left: .3em; }

.burger {
  width: 44px; height: 44px; display: grid; place-content: center; gap: 5px;
  background: transparent; border: var(--line-ink); border-radius: var(--r-sm); cursor: pointer;
}
.burger span { display: block; width: 20px; height: 2px; background: var(--paper); transition: transform .25s ease, opacity .25s ease; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav {
  position: fixed; inset: var(--header-h) 0 auto 0;
  background: var(--ink); border-bottom: var(--line-ink);
  transform: translateY(-110%); opacity: 0; visibility: hidden;
  transition: transform .3s ease, opacity .3s ease, visibility 0s linear .3s;
}
.nav.is-open { transform: none; opacity: 1; visibility: visible; transition: transform .3s ease, opacity .3s ease; }
.nav ul { display: flex; flex-direction: column; padding: var(--s-4); gap: var(--s-1); }
.nav a {
  display: block; padding: var(--s-3) var(--s-2); text-decoration: none;
  font-family: var(--font-mono); font-size: .9rem; color: var(--paper);
  border-bottom: var(--line-ink);
}
.nav a:hover { color: var(--flag); }
.nav .nav-cta { color: var(--flag); border-bottom: 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px;
  padding: 0 var(--s-5); border-radius: var(--r-sm); text-decoration: none; cursor: pointer;
  font: 600 .95rem/1 var(--font-mono); letter-spacing: .01em; border: 1px solid transparent;
  transition: transform .2s ease, opacity .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--flag); color: var(--white); }
.btn-primary:hover { background: var(--flag-dark); }
.btn-ghost { border-color: rgba(242,238,228,.45); color: var(--paper); }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  background: var(--ink); color: var(--paper);
  padding: var(--s-8) 0 var(--s-9);
}
.hero-contours {
  position: absolute; inset: -20%;
  background:
    repeating-radial-gradient(ellipse at 78% 40%, transparent 0 22px, rgba(46,107,102,.38) 23px 24px),
    repeating-radial-gradient(ellipse at 12% 95%, transparent 0 30px, rgba(46,107,102,.22) 31px 32px);
  opacity: .9;
  animation: drift 40s ease-in-out infinite alternate;
}
@keyframes drift { to { transform: translate3d(-3%, 2%, 0) scale(1.04); } }
.hero-grid { position: relative; display: grid; gap: var(--s-7); }
.eyebrow { font-size: .8rem; color: var(--flag); text-transform: uppercase; letter-spacing: .08em; margin-bottom: var(--s-4); }
.hero h1 {
  font-size: clamp(2.3rem, 9vw, 4.6rem);
  font-variation-settings: "wdth" 70;
  text-transform: uppercase;
}
.hero h1 em { font-style: normal; color: var(--muted-on-ink); display: block; }
.lede { margin-top: var(--s-5); max-width: 36rem; color: var(--muted-on-ink); font-size: 1.05rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-6); }

.plat {
  margin: 0; padding: var(--s-4);
  background: var(--paper); color: var(--ink);
  border-radius: var(--r-md); box-shadow: 0 30px 60px -30px rgba(0,0,0,.6);
  transform: rotate(-1.5deg);
}
.plat svg { width: 100%; height: auto; }
.plat-grid path { stroke: rgba(46,107,102,.18); stroke-width: 1; fill: none; }
.plat-parcel { fill: rgba(217,83,30,.08); stroke: var(--ink); stroke-width: 2.5; }
.plat-pins circle { fill: var(--flag); transform-box: fill-box; transform-origin: center; animation: pin 2.8s ease-in-out infinite; }
.plat-pins circle:nth-child(2) { animation-delay: .7s; }
.plat-pins circle:nth-child(3) { animation-delay: 1.4s; }
.plat-pins circle:nth-child(4) { animation-delay: 2.1s; }
@keyframes pin { 0%, 70%, 100% { transform: scale(1); opacity: 1; } 35% { transform: scale(1.6); opacity: .6; } }
.plat-labels text { font: 500 12px var(--font-mono); fill: var(--graphite); }
.plat-north path { fill: var(--ink); }
.plat-north text { font: 600 12px var(--font-mono); fill: var(--ink); }
.plat figcaption { font-size: .78rem; color: var(--graphite); margin-top: var(--s-2); }

.readout {
  position: absolute; right: var(--s-4); bottom: var(--s-4);
  display: flex; gap: var(--s-4); font-size: .8rem; color: var(--muted-on-ink);
  padding: var(--s-2) var(--s-3); border: var(--line-ink); border-radius: var(--r-sm);
  background: rgba(16,34,31,.75);
}
.readout b { color: var(--paper); font-weight: 500; }

/* Sections */
.section { padding: var(--s-8) 0; }
.section-paper { background: var(--paper-2); }
.section-ink { background: var(--ink-2); color: var(--paper); }
.section-head { max-width: 40rem; margin-bottom: var(--s-6); }
.section-head p:not(.tag) { margin-top: var(--s-4); color: var(--graphite); }
.section-ink .section-head p:not(.tag) { color: var(--muted-on-ink); }
.tag { font-size: .8rem; color: var(--flag-dark); letter-spacing: .06em; text-transform: uppercase; margin-bottom: var(--s-3); }
.section-ink .tag { color: var(--flag); }
.section h2 { font-size: clamp(1.8rem, 6vw, 3rem); font-variation-settings: "wdth" 75; text-transform: uppercase; }

/* Services */
.services { display: grid; gap: var(--s-4); }
.card {
  position: relative; padding: var(--s-5); background: var(--white);
  border: var(--line); border-radius: var(--r-md); box-shadow: var(--shadow);
}
.card::after {
  content: ""; position: absolute; top: 12px; right: 12px; width: 14px; height: 14px;
  border-top: 2px solid var(--contour); border-right: 2px solid var(--contour);
}
.card-no { display: inline-block; font-size: .8rem; color: var(--contour); border: 1px solid var(--contour); padding: 0 var(--s-2); margin-bottom: var(--s-4); }
.card h3 { font-size: 1.35rem; font-variation-settings: "wdth" 85; margin-bottom: var(--s-2); }
.card p { color: var(--graphite); }
.card-accent { background: var(--ink); color: var(--paper); }
.card-accent p { color: var(--muted-on-ink); }
.card-accent .card-no { color: var(--flag); border-color: var(--flag); }
.card-accent::after { border-color: var(--flag); }

/* Clients */
.clients { display: grid; grid-template-columns: 1fr; border-top: var(--line); }
.clients li {
  padding: var(--s-4) 0; border-bottom: var(--line);
  font-size: 1.15rem; font-weight: 600; font-variation-settings: "wdth" 85;
  display: flex; align-items: center; gap: var(--s-3);
}
.clients li::before { content: ""; width: 10px; height: 10px; background: var(--flag); transform: rotate(45deg); flex: none; }

/* Process — traverse line */
.traverse { position: relative; display: grid; gap: var(--s-6); padding-left: var(--s-6); }
.traverse::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; border-left: 2px dashed var(--contour); }
.traverse li { position: relative; }
.traverse li::before {
  content: ""; position: absolute; left: calc(-1 * var(--s-6)); top: 4px;
  width: 16px; height: 16px; border-radius: 50%; background: var(--paper); border: 3px solid var(--flag);
}
.traverse span { font-size: .8rem; color: var(--contour); }
.traverse h3 { font-size: 1.4rem; font-variation-settings: "wdth" 80; text-transform: uppercase; margin: var(--s-1) 0 var(--s-2); }
.traverse p { color: var(--graphite); max-width: 32rem; }

/* Record */
.record-grid { display: grid; gap: var(--s-5); }
.record-body > p { font-size: 1.2rem; max-width: 40rem; }
.facts { display: grid; grid-template-columns: 1fr; margin-top: var(--s-6); border-top: var(--line-ink); }
.facts div { display: flex; justify-content: space-between; gap: var(--s-4); padding: var(--s-3) 0; border-bottom: var(--line-ink); font-size: .9rem; }
.facts dt { color: var(--muted-on-ink); }
.facts dd { margin: 0; color: var(--paper); text-align: right; }

/* Contact */
.contact-grid { display: grid; gap: var(--s-6); }
.contact-line { margin-top: var(--s-3); font-size: .9rem; }
.contact-line a { color: var(--flag-dark); word-break: break-all; }
.form {
  display: grid; gap: var(--s-4); padding: var(--s-5);
  background: var(--paper); border: var(--line); border-radius: var(--r-md); box-shadow: var(--shadow);
}
.field label { display: block; font: 500 .8rem var(--font-mono); text-transform: uppercase; letter-spacing: .05em; margin-bottom: var(--s-2); }
.field input, .field select, .field textarea {
  width: 100%; padding: var(--s-3); font: inherit; color: var(--ink);
  background: var(--white); border: 1px solid rgba(16,34,31,.35); border-radius: var(--r-sm);
}
.field textarea { resize: vertical; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: var(--flag-dark); }
.error { min-height: 1.2em; margin-top: var(--s-1); font: .8rem var(--font-mono); color: var(--flag-dark); }
.form .btn { justify-self: start; border: 0; }
.form-success { padding: var(--s-3); background: var(--ink); color: var(--paper); font: .9rem var(--font-mono); border-left: 4px solid var(--flag); }

/* Footer */
.site-footer { background: var(--ink); color: var(--paper); padding: var(--s-7) 0 var(--s-6); }
.footer-top { display: flex; flex-direction: column; gap: var(--s-4); padding-bottom: var(--s-5); border-bottom: var(--line-ink); }
.footer-nav { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); font: .85rem var(--font-mono); }
.footer-nav a { text-decoration: none; }
.footer-nav a:hover { color: var(--flag); }
.legal { padding-top: var(--s-5); display: grid; gap: var(--s-2); font-size: .8125rem; line-height: 1.6; color: var(--muted-on-ink); }
.legal strong { color: var(--paper); font-weight: 600; }
.legal-list { margin: 0; display: grid; gap: var(--s-1); }
.legal-list div { display: flex; flex-wrap: wrap; column-gap: var(--s-2); }
.legal-list dt { color: var(--muted-on-ink); }
.legal-list dd { margin: 0; color: var(--paper); overflow-wrap: anywhere; }
.legal a { color: var(--paper); }

/* Legal pages */
.doc-hero { background: var(--ink); color: var(--paper); padding: var(--s-7) 0 var(--s-6); }
.doc-hero h1 { font-size: clamp(2rem, 8vw, 3.6rem); font-variation-settings: "wdth" 70; text-transform: uppercase; }
.doc-hero p { margin-top: var(--s-3); color: var(--muted-on-ink); font-size: .9rem; }
.doc { padding: var(--s-7) 0 var(--s-8); }
.doc .wrap { max-width: 760px; }
.doc h2 { font-size: 1.3rem; font-variation-settings: "wdth" 85; text-transform: uppercase; margin: var(--s-6) 0 var(--s-3); }
.doc p, .doc li { color: var(--graphite); margin-bottom: var(--s-3); }
.doc ul { list-style: square; padding-left: var(--s-5); }
.doc a { color: var(--flag-dark); }

.notfound { min-height: 60vh; display: grid; place-items: center; text-align: center; padding: var(--s-8) 0; }
.notfound .code { font: 500 1rem var(--font-mono); color: var(--flag-dark); }
.notfound h1 { font-size: clamp(2.2rem, 9vw, 4rem); font-variation-settings: "wdth" 70; text-transform: uppercase; margin: var(--s-3) 0; }
.notfound p { color: var(--graphite); margin-bottom: var(--s-5); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* Breakpoints */
@media (min-width: 480px) {
  .wrap { padding: 0 var(--s-5); }
  .clients { grid-template-columns: 1fr 1fr; column-gap: var(--s-5); }
  .form { grid-template-columns: 1fr 1fr; }
  .field-wide, .form .btn, .form-success, .field:nth-child(3) { grid-column: 1 / -1; }
}
@media (min-width: 768px) {
  .services { grid-template-columns: 1fr 1fr; }
  .traverse { grid-template-columns: repeat(4, 1fr); padding-left: 0; padding-top: var(--s-6); gap: var(--s-5); }
  .traverse::before { left: 0; right: 0; top: 7px; bottom: auto; border-left: 0; border-top: 2px dashed var(--contour); }
  .traverse li::before { left: 0; top: calc(-1 * var(--s-6)); }
  .record-grid { grid-template-columns: 1fr 1.4fr; gap: var(--s-7); }
  .facts { grid-template-columns: 1fr 1fr; column-gap: var(--s-5); }
  .footer-top { flex-direction: row; justify-content: space-between; align-items: center; }
  .section { padding: var(--s-9) 0; }
}
@media (min-width: 1024px) {
  .burger { display: none; }
  .nav { position: static; transform: none; opacity: 1; visibility: visible; background: transparent; border: 0; transition: none; }
  .nav ul { flex-direction: row; align-items: center; padding: 0; gap: var(--s-5); }
  .nav a { border: 0; padding: var(--s-2) 0; }
  .nav .nav-cta { padding: var(--s-2) var(--s-4); border: 1px solid var(--flag); border-radius: var(--r-sm); }
  .hero { padding: var(--s-9) 0; }
  .hero-grid { grid-template-columns: 1.15fr .85fr; align-items: center; }
  .services { grid-template-columns: repeat(3, 1fr); }
  .clients-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: var(--s-7); align-items: start; }
  .contact-grid { grid-template-columns: 1fr 1.3fr; gap: var(--s-8); align-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}