/* =========================================================
   PECHAL INFOTECH — Survey & GIS Services
   Design language: field-survey / blueprint title-block
   ========================================================= */

:root {
  /* Colour tokens — survey paper + ink + marker orange */
  --paper:        #F1EEE4;
  --paper-alt:     #E7E2D2;
  --ink:          #1B2B24;
  --ink-soft:      #3A4A41;
  --contour:      #4A6B5C;
  --accent:       #C4622D;
  --accent-soft:   #E3B08C;
  --teal:         #2F6E75;
  --grid-line:     #C9C2AE;
  --paper-white:   #FAF8F1;
  --danger:       #A6392D;
  --success:      #3E6B4F;

  /* Type */
  --font-display: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-body:    "IBM Plex Sans", Arial, sans-serif;
  --font-mono:    "IBM Plex Mono", "Courier New", monospace;

  /* Layout */
  --max-width: 1180px;
  --radius: 2px;
  --border: 1px solid var(--grid-line);
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--accent); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight: 600; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 1em; color: var(--ink-soft); }

.mono { font-family: var(--font-mono); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 72px 0; }
.section--tight { padding: 48px 0; }
.section--alt { background: var(--paper-alt); }
.section--ink {
  background: var(--ink);
  color: var(--paper);
}
.section--ink p { color: #C7D0C9; }
.section--ink h2, .section--ink h3 { color: var(--paper); }

/* ---------- Eyebrow / title-block label ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--contour);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--accent);
}
.section--ink .eyebrow { color: var(--accent-soft); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: var(--border);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}
.logo:hover { color: var(--ink); }
.logo svg { color: var(--accent); flex-shrink: 0; }
.logo .logo-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--contour);
  font-weight: 400;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  text-transform: uppercase;
  position: relative;
  padding: 4px 0;
}
.main-nav a:hover { color: var(--ink); }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--accent);
  transition: right 0.2s ease;
}
.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after { right: 0; }
.main-nav a[aria-current="page"] { color: var(--ink); }

.header-actions { display: flex; align-items: center; gap: 16px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: var(--border);
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 18px;
  margin: 0 auto;
  background: var(--ink);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 12px 22px;
  border: 1.4px solid var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
  background: transparent;
  color: var(--ink);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:hover { background: var(--ink); color: var(--paper); }

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--paper-white);
}
.btn--primary:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.section--ink .btn { border-color: var(--paper); color: var(--paper); }
.section--ink .btn:hover { background: var(--paper); color: var(--ink); }

.btn--sm { padding: 8px 16px; font-size: 0.74rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--border);
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 88px 24px 64px;
  position: relative;
  z-index: 2;
}
.hero-contours {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.55;
  pointer-events: none;
}
.hero-grid-frame {
  position: absolute;
  inset: 18px;
  border: 1px solid var(--grid-line);
  z-index: 1;
  pointer-events: none;
}
.hero-grid-frame::before,
.hero-grid-frame::after {
  display: none;
}
.tick-row {
  position: absolute;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--contour);
  pointer-events: none;
}
.tick-row.top { top: -8px; left: 18px; right: 18px; }
.tick-row span { background: var(--paper); padding: 0 4px; }

.hero h1 { max-width: 780px; }
.hero .lede { max-width: 560px; font-size: 1.05rem; }
.hero-cta { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.hero-coords {
  margin-top: 44px;
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--contour);
}
.hero-coords strong { color: var(--ink); display: block; font-size: 1.05rem; font-family: var(--font-display); }

/* ---------- Stat strip ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: var(--border);
  border-bottom: var(--border);
}
.stat-strip .stat {
  padding: 26px 20px;
  border-right: var(--border);
  text-align: left;
}
.stat-strip .stat:last-child { border-right: none; }
.stat .num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--accent);
  display: block;
}
.stat .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

/* ---------- Cards / grids ---------- */
.grid {
  display: grid;
  gap: 24px;
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--paper-white);
  border: var(--border);
  padding: 28px 26px;
  border-radius: var(--radius);
  position: relative;
}

/* Service "layer" card — echoes GIS layer stack numbering */
.layer-card {
  background: var(--paper-white);
  border: var(--border);
  padding: 30px 26px 26px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.layer-card .layer-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.layer-card .layer-icon {
  color: var(--contour);
  margin-bottom: 4px;
}
.layer-card h3 { font-size: 1.1rem; }
.layer-card p { font-size: 0.94rem; margin-bottom: 0; }
.layer-card .layer-tag {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--grid-line);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  color: var(--contour);
  letter-spacing: 0.05em;
}

/* ---------- Two column layout ---------- */
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: start;
}
.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }

/* Panel with title-block corner marks — used for figures/asides */
.panel {
  border: var(--border);
  background: var(--paper-white);
  padding: 28px;
  position: relative;
}
.panel::before, .panel::after {
  content: "";
  position: absolute;
  width: 10px; height: 10px;
  border-top: 1.5px solid var(--accent);
  border-left: 1.5px solid var(--accent);
  top: -1px; left: -1px;
}
.panel::after {
  top: auto; left: auto; bottom: -1px; right: -1px;
  border-top: none; border-left: none;
  border-bottom: 1.5px solid var(--accent);
  border-right: 1.5px solid var(--accent);
}

/* ---------- Industry chips ---------- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.industry-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  border: var(--border);
  background: var(--paper-white);
  padding: 16px 16px;
}
.industry-chip .ico-sm {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: var(--border);
  color: var(--accent);
}
.industry-chip .label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  line-height: 1.3;
}

/* ---------- Lists ---------- */
.check-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-soft); }
.check-list li::before {
  content: "";
  flex-shrink: 0;
  margin-top: 7px;
  width: 8px; height: 8px;
  border: 1.4px solid var(--accent);
  transform: rotate(45deg);
}

/* ---------- Timeline / process ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: var(--border);
}
.process-step {
  padding: 24px 20px;
  border-right: var(--border);
  border-bottom: var(--border);
  position: relative;
}
.process-step:last-child { border-right: none; }
.process-step .step-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
}

/* ---------- Table-like list for capability sheet ---------- */
.spec-sheet { border-top: var(--border); }
.spec-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: var(--border);
}
.spec-row .k {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  color: var(--contour);
  padding: 16px 18px;
  border-right: var(--border);
  letter-spacing: 0.03em;
}
.spec-row .v { padding: 16px 18px; color: var(--ink-soft); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}
.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 12px 14px;
  border: var(--border);
  background: var(--paper-white);
  color: var(--ink);
  border-radius: var(--radius);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-field textarea { resize: vertical; min-height: 120px; font-family: var(--font-body); }
.form-note { font-size: 0.8rem; color: var(--contour); margin-top: -6px; }

.form-status {
  display: none;
  padding: 14px 16px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-bottom: 18px;
}
.form-status.show { display: block; }
.form-status.success { background: #E4EEE3; color: var(--success); border: 1px solid var(--success); }
.form-status.error { background: #F3E3DF; color: var(--danger); border: 1px solid var(--danger); }

.hp-field { position: absolute; left: -9999px; opacity: 0; }

/* ---------- Contact info blocks ---------- */
.contact-block { display: flex; gap: 14px; margin-bottom: 22px; }
.contact-block .ico {
  flex-shrink: 0;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: var(--border);
  color: var(--accent);
}
.contact-block h4 { margin-bottom: 4px; font-size: 0.95rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.03em; color: var(--ink-soft); }
.contact-block p { margin: 0; }

.map-frame {
  border: var(--border);
  width: 100%;
  height: 340px;
  filter: sepia(8%) saturate(85%);
}

/* ---------- FAQ accordion ---------- */
.faq-item { border-bottom: var(--border); }
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
}
.faq-q .plus {
  flex-shrink: 0;
  width: 22px; height: 22px;
  position: relative;
}
.faq-q .plus::before, .faq-q .plus::after {
  content: "";
  position: absolute;
  background: var(--accent);
  top: 50%; left: 50%;
}
.faq-q .plus::before { width: 14px; height: 2px; transform: translate(-50%,-50%); }
.faq-q .plus::after { width: 2px; height: 14px; transform: translate(-50%,-50%); transition: transform 0.2s ease; }
.faq-item.open .faq-q .plus::after { transform: translate(-50%,-50%) rotate(90deg) scaleY(0); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.faq-a-inner { padding: 0 4px 22px; max-width: 760px; }
.faq-a-inner p:last-child { margin-bottom: 0; }
.faq-cat {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--contour);
  margin: 40px 0 6px;
}
.faq-cat:first-of-type { margin-top: 0; }

/* ---------- CTA band ---------- */
.cta-band {
  padding: 56px 0;
  text-align: center;
}
.cta-band h2 { margin-bottom: 10px; }
.cta-band .lede { max-width: 560px; margin: 0 auto 24px; }
.cta-band .hero-cta { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: #C7D0C9;
  border-top: 4px solid var(--accent);
}
.footer-top {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 32px;
}
.footer-top h4 {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--paper);
  margin-bottom: 16px;
}
.footer-brand .logo { color: var(--paper); }
.footer-brand p { color: #9FB0A5; max-width: 300px; margin-top: 14px; font-size: 0.92rem; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: #C7D0C9; font-size: 0.92rem; }
.footer-links a:hover { color: var(--accent-soft); }
.footer-contact p { color: #C7D0C9; margin-bottom: 10px; font-size: 0.92rem; }
.footer-contact a { color: #C7D0C9; }

.footer-bottom {
  border-top: 1px solid #2E3F37;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #7E9188;
  letter-spacing: 0.03em;
}

/* ---------- Page header (non-home pages) ---------- */
.page-header {
  padding: 56px 0 40px;
  border-bottom: var(--border);
  position: relative;
  overflow: hidden;
}
.page-header .container { position: relative; z-index: 2; }
.page-header .breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--contour);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.page-header p.lede { max-width: 620px; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.small { font-size: 0.85rem; }

/* ================= RESPONSIVE ================= */
@media (max-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-strip .stat:nth-child(2) { border-right: none; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-step:nth-child(2n) { border-right: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse { direction: ltr; }
}

@media (max-width: 760px) {
  .main-nav { display: none; }
  .header-actions .btn--primary.header-quote { display: none; }
  .nav-toggle { display: flex; }
  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--paper);
    border-bottom: var(--border);
    padding: 12px 24px 20px;
  }
  .site-header.nav-open .main-nav a { padding: 10px 0; width: 100%; }
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr 1fr; }
  .stat-strip { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .spec-row { grid-template-columns: 140px 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; padding: 44px 24px 30px; }
  .hero-inner { padding: 64px 20px 48px; }
  .hero-coords { gap: 22px; }
}

@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: 1fr; }
  .stat-strip .stat { border-right: none; border-bottom: var(--border); }
  .stat-strip .stat:last-child { border-bottom: none; }
  .process-steps { grid-template-columns: 1fr; }
  .process-step { border-right: none; }
  .spec-row { grid-template-columns: 1fr; }
  .spec-row .k { border-right: none; border-bottom: 1px dashed var(--grid-line); }
}