/* ===== Espinosa Termografia — Design System =====
   Palette: graphite base, amber "hot point" accent, cold-blue reference accent
   Type: Archivo Expanded (display / instrument-plate feel) + Inter (body) + JetBrains Mono (data/labels)
   Signature: vertical thermal-scale bar (echoes the color-scale legend in every real thermal image)
*/

:root {
  --bg: #14171A;
  --bg-panel: #1B1F23;
  --bg-panel-raised: #21262B;
  --border: #2B3036;
  --text: #EDEEF0;
  --text-muted: #9AA3AB;
  --text-faint: #666E76;
  --amber: #E8873D;
  --amber-bright: #F2A661;
  --blue: #3B7EA1;
  --blue-dim: #2A5C74;

  --font-display: "Archivo", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --container: 1180px;
  --radius: 3px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 720px) {
  .wrap { padding: 0 20px; }
}

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-stretch: expanded;
  letter-spacing: 0.01em;
  line-height: 1.15;
  color: var(--text);
}

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.3rem; }

p { color: var(--text-muted); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--amber);
}

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

/* ---------- Signature element: thermal scale bar ---------- */

.scale-divider {
  height: 4px;
  width: 100%;
  background: linear-gradient(90deg, var(--blue-dim) 0%, var(--blue) 18%, #4a3a6e 38%, var(--amber) 68%, #ffcf7a 100%);
  border-radius: 2px;
}

.scale-tick {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
}

.scale-tick .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.scale-tick .dot.cold { background: var(--blue); }
.scale-tick .dot.hot { background: var(--amber); }

/* vertical scale rail, used as decorative signature in hero / section anchors */
.scale-rail {
  position: relative;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--amber) 0%, #6b4a3a 35%, var(--blue-dim) 70%, var(--blue) 100%);
}

/* ---------- Header / nav ---------- */

header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(20, 23, 26, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-stretch: expanded;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand .mark {
  width: 10px;
  height: 22px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--amber) 0%, var(--blue) 100%);
}

.brand .sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  display: block;
  text-transform: uppercase;
  margin-top: 2px;
}

nav.primary-nav {
  display: flex;
  gap: 36px;
}

nav.primary-nav a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.15s ease;
  position: relative;
  padding: 4px 0;
}
nav.primary-nav a:hover,
nav.primary-nav a.active { color: var(--text); }
nav.primary-nav a.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--amber);
}

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  border: 1px solid var(--border);
  padding: 9px 16px;
  border-radius: var(--radius);
  color: var(--text);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.nav-cta:hover { border-color: var(--amber); background: rgba(232,135,61,0.08); }

.nav-toggle { display: none; }

@media (max-width: 860px) {
  nav.primary-nav { display: none; }
  .nav-toggle {
    display: block;
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 12px;
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 0.8rem;
  }
  nav.primary-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 18px;
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  padding: 14px 24px;
  border-radius: var(--radius);
  transition: all 0.15s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--amber);
  color: #14171A;
  font-weight: 600;
}
.btn-primary:hover { background: var(--amber-bright); }

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--amber); }

/* ---------- Hero ---------- */

.hero {
  padding: 90px 0 100px;
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
}

.hero h1 { margin-bottom: 20px; }
.hero .slogan {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--amber-bright);
  margin-bottom: 22px;
}
.hero .lede {
  font-size: 1.05rem;
  max-width: 46ch;
  margin-bottom: 34px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }

.hero-stats {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}
.hero-stats .stat { border-left: 2px solid var(--border); padding-left: 14px; }
.hero-stats .stat .num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--text);
  display: block;
}
.hero-stats .stat .label {
  font-size: 0.75rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero-visual {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg-panel);
}
.hero-visual img { width: 100%; height: auto; }
.hero-visual .caption {
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.hero-visual .caption span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
}

/* ---------- Sections ---------- */

section { padding: 90px 0; border-bottom: 1px solid var(--border); }
section:last-of-type { border-bottom: none; }

.section-head {
  max-width: 620px;
  margin-bottom: 50px;
}
.section-head p { font-size: 1.02rem; }

/* ---------- Cards / grids ---------- */

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

@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 30px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: #3a4048; }

.card .icon-rail { display: flex; gap: 10px; margin-bottom: 20px; }

.card h3 { margin-bottom: 12px; }
.card p { font-size: 0.92rem; }

.card-list {
  list-style: none;
  margin-top: 16px;
}
.card-list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 8px 0;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
}
.card-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--amber);
  flex-shrink: 0;
}

/* ---------- Portfolio grid ---------- */

.case-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.case-card .thumb { aspect-ratio: 4/3; overflow: hidden; background: #0e1012; }
.case-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.case-card:hover .thumb img { transform: scale(1.04); }
.case-card .body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.case-card .tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 10px;
}
.case-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.case-card p { font-size: 0.88rem; flex: 1; }
.case-card .read-more {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------- Article list ---------- */

.article-row {
  display: flex;
  gap: 30px;
  padding: 30px 0;
  border-top: 1px solid var(--border);
  align-items: flex-start;
}
.article-row:last-child { border-bottom: 1px solid var(--border); }
.article-row .date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  width: 90px;
  flex-shrink: 0;
  padding-top: 4px;
}
.article-row .content { flex: 1; }
.article-row h3 { margin-bottom: 8px; font-size: 1.15rem; }
.article-row p { font-size: 0.92rem; }
.article-row .cat {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 10px;
  display: block;
}

@media (max-width: 640px) {
  .article-row { flex-direction: column; gap: 8px; }
  .article-row .date { width: auto; }
}

/* ---------- Process / numbered steps (real sequence, so numbering is justified) ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

.step {
  border-top: 2px solid var(--border);
  padding-top: 18px;
}
.step .n {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--amber);
}
.step h3 { font-size: 1.02rem; margin: 10px 0 8px; }
.step p { font-size: 0.86rem; }

/* ---------- Coverage / map-ish panel ---------- */

.coverage {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 800px) { .coverage { grid-template-columns: 1fr; } }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-band h2 { font-size: 1.7rem; margin-bottom: 8px; }

/* ---------- Footer ---------- */

footer {
  padding: 50px 0 40px;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 16px;
  font-weight: 500;
}
.footer-col a, .footer-col p {
  display: block;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.footer-col a:hover { color: var(--amber); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Page header (interior pages) ---------- */

.page-header { padding: 60px 0 50px; border-bottom: 1px solid var(--border); }
.page-header h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.page-header .lede { max-width: 60ch; font-size: 1.02rem; margin-top: 16px; }

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--amber); }

/* ---------- Case detail page ---------- */

.case-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 40px 0;
  padding: 30px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
@media (max-width: 700px) { .case-meta { grid-template-columns: repeat(2, 1fr); } }
.case-meta .item .label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin-bottom: 6px;
}
.case-meta .item .val { font-size: 0.98rem; color: var(--text); }

.case-figure {
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin: 30px 0;
  background: var(--bg-panel);
}
.case-figure img { width: 100%; }
.case-figure figcaption {
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  border-top: 1px solid var(--border);
}

.prose { max-width: 72ch; }
.prose h2 { margin: 40px 0 16px; font-size: 1.4rem; }
.prose p { margin-bottom: 18px; font-size: 1rem; }
.prose ul { margin: 0 0 18px 20px; color: var(--text-muted); }
.prose li { margin-bottom: 8px; }

.severity-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
}
.severity-badge.critical { color: #ff8a6b; border-color: #6b3527; background: rgba(255,90,60,0.07); }
.severity-badge.moderate { color: var(--amber-bright); border-color: #6b4a27; background: rgba(232,135,61,0.07); }
.severity-badge.normal { color: #7fd48c; border-color: #2a5c33; background: rgba(90,200,110,0.07); }

/* ---------- Contact page ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 34px;
  margin-bottom: 18px;
}
.contact-card .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 8px;
}
.contact-card .value { font-size: 1.2rem; font-family: var(--font-mono); }
.contact-card a.value:hover { color: var(--amber); }

form.contact-form label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 8px;
  margin-top: 20px;
}
form.contact-form input,
form.contact-form select,
form.contact-form textarea {
  width: 100%;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
}
form.contact-form input:focus,
form.contact-form select:focus,
form.contact-form textarea:focus {
  outline: none;
  border-color: var(--amber);
}
form.contact-form textarea { resize: vertical; min-height: 120px; }
form.contact-form button { margin-top: 26px; width: 100%; justify-content: center; }

/* focus visibility for a11y */
a:focus-visible, button:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}