/* =========================================================
   Madary Engineering & Design, LLC — Site Stylesheet
   Design language: civil engineering plan sheets & blueprints.
   ========================================================= */

:root {
  /* Color tokens */
  --navy-deep:   #4F8891;   /* blueprint background */
  --navy:        #17324A;   /* secondary dark surface */
  --navy-line:   #2C4C68;   /* hairlines on dark */
  --paper:       #F2F4F2;   /* page background, cool paper */
  --paper-card:  #FFFFFF;   /* card surfaces on paper */
  --ink:         #17232B;   /* primary text on paper */
  --ink-soft:    #4A5A63;   /* secondary text on paper */
  --mist:        #C9D2D3;   /* text on --navy surface, muted */
  --mist-soft:   #8FA5AC;   /* secondary text on --navy surface */
  --on-teal-ink:    #0A1620; /* text/icons on the --navy-deep teal surface (AA, ~4.6:1) */
  --on-teal-accent: #4A1B0A; /* rust accent darkened for use on the --navy-deep teal surface (~3.6:1) */
  --rust:        #C2582B;   /* flagging-tape accent, CTAs */
  --rust-dark:   #A2461F;
  --brass:       #A6874F;   /* drafting-brass secondary accent */
  --contour:     #6E9AA6;   /* topo contour line teal */
  --line-hair:   #D8DCD6;   /* hairline rule on paper */

  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --max-w: 1200px;
  --radius: 2px;
}

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
  color: inherit;
}

p { margin: 0 0 1em; }
a { color: inherit; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  display: inline-block;
}
.on-dark .eyebrow { color: var(--on-teal-ink); }
.on-paper .eyebrow { color: var(--rust); }

.section {
  padding: 96px 0;
}
@media (max-width: 720px) {
  .section { padding: 64px 0; }
}
.on-dark { background: var(--navy-deep); color: var(--on-teal-ink); }
.on-dark h2, .on-dark h3 { color: #F4F6F4; }
.on-navy-alt { background: var(--navy); color: var(--mist); }
.on-paper { background: var(--paper); color: var(--ink); }
.on-white { background: var(--paper-card); color: var(--ink); }

.section-head {
  max-width: 680px;
  margin-bottom: 48px;
}
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
.section-head p { color: var(--ink-soft); font-size: 1.05rem; }
.on-navy-alt .section-head p { color: var(--mist-soft); }
.on-dark .section-head p { color: var(--on-teal-ink); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 500;
  padding: 14px 24px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--rust); color: #fff; }
.btn-primary:hover { background: var(--rust-dark); }
.btn-outline-dark { border-color: rgba(10,22,32,0.4); color: var(--on-teal-ink); }
.btn-outline-dark:hover { border-color: var(--on-teal-ink); background: rgba(10,22,32,0.08); }
.btn-outline-light { border-color: var(--navy-line); color: var(--ink); }
.btn-outline-light:hover { border-color: var(--ink); background: rgba(15,36,54,0.04); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(209,163,143,0.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line-hair);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  background: rgba(255,255,255,0.4);
  padding: 7px;
  margin: 7px;
  border-radius: 6px;
}
.brand img { height: auto; width: auto; max-width: 100%; max-height: 60px; display: block; }

.nav-links {
  display: none;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}
@media (min-width: 900px) { .nav-links { display: flex; } }
.nav-links a {
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1.5px;
  background: var(--rust);
  transition: width 0.2s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-cta { display: none; }
@media (min-width: 900px) { .nav-cta { display: inline-flex; } }

.nav-toggle {
  display: inline-flex;
  background: none;
  border: 1px solid var(--line-hair);
  border-radius: var(--radius);
  padding: 9px 11px;
  cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  display: block;
  width: 18px; height: 2px;
  background: var(--ink);
  position: relative;
}
.nav-toggle span::before { position: absolute; top: -6px; width: 18px; height: 2px; background: var(--ink); }
.nav-toggle span::after { position: absolute; top: 6px; width: 18px; height: 2px; background: var(--ink); }
@media (min-width: 900px) { .nav-toggle { display: none; } }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 10px 0 20px;
  border-top: 1px solid var(--line-hair);
}
.mobile-menu a {
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
  font-weight: 700;
  text-align: right;
  padding: 12px 14px 12px 4px;
  border-bottom: 1px solid var(--line-hair);
}
body.menu-open .mobile-menu { display: flex; }
@media (min-width: 900px) { .mobile-menu { display: none !important; } }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background-color: var(--navy-deep);
  background-image:
    linear-gradient(color-mix(in srgb, var(--navy-deep) 85%, transparent), color-mix(in srgb, var(--navy-deep) 85%, transparent)),
    url("../images/hero-aerial-image-of-engineering-project.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--on-teal-ink);
  overflow: hidden;
  padding: 90px 0 60px;
}
.hero-contours {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}
.hero-contours path {
  fill: none;
  stroke: var(--on-teal-ink);
  stroke-width: 1.1;
  stroke-dasharray: 2200;
  stroke-dashoffset: 2200;
  animation: draw-contour 2.6s ease-out forwards;
}
.hero-contours path:nth-child(2) { animation-delay: 0.15s; }
.hero-contours path:nth-child(3) { animation-delay: 0.3s; }
.hero-contours path:nth-child(4) { animation-delay: 0.45s; }
.hero-contours path:nth-child(5) { animation-delay: 0.6s; }
.hero-contours path:nth-child(6) { animation-delay: 0.75s; }
@keyframes draw-contour {
  to { stroke-dashoffset: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-contours path { stroke-dashoffset: 0; animation: none; }
}

.hero-inner { position: relative; z-index: 2; }
.hero-eyebrow {
  font-family: var(--font-mono);
  color: var(--on-teal-ink);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}
.hero-eyebrow .dot { width: 6px; height: 6px; background: var(--on-teal-accent); border-radius: 50%; display: inline-block; }

.hero h1 {
  font-size: clamp(2.3rem, 5.6vw, 4rem);
  max-width: 16ch;
  color: #fff;
  margin-bottom: 22px;
}
.hero-sub {
  font-family: var(--font-body);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--on-teal-ink);
  max-width: 54ch;
  margin-bottom: 36px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 56px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  border: 1px solid var(--navy-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.hero-stat {
  padding: 20px 22px;
  border-right: 1px solid var(--navy-line);
}
.hero-stat:last-child { border-right: none; }
.hero-stat .num {
  font-family: var(--font-display);
  font-size: 1.9rem;
  color: #fff;
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}
.hero-stat .label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--on-teal-ink);
}

/* ---------- About / Notes box ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; } }
.about-copy p { font-size: 1.05rem; color: var(--ink); }
.about-copy p:first-of-type {
  font-size: 1.2rem;
  color: var(--ink);
}

.notes-box {
  border: 1px solid var(--navy-deep);
  background: var(--paper-card);
}
.notes-box .notes-list {
  margin: 0;
  padding: 26px 26px 26px 42px;
  font-family: var(--font-body);
  list-style: disc;
}
.notes-box li { margin-bottom: 16px; padding-left: 6px; }
.notes-box li:last-child { margin-bottom: 0; }

/* ---------- Services ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--navy-line);
  border: 1px solid var(--navy-line);
}
@media (max-width: 860px) { .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .card-grid { grid-template-columns: minmax(0, 1fr); } }
.service-card {
  min-width: 0;
  background-color: var(--navy-deep);
  display: flex;
  flex-direction: column;
}
.service-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  object-position: center;
  display: block;
}

.service-card-info {
  padding: 24px 28px 30px;
}
.service-card-info .icon { width: 30px; height: 30px; margin-bottom: 22px; color: var(--on-teal-accent); }
.service-card-info h3 { font-size: 1.05rem; color: var(--on-teal-ink); margin-bottom: 10px; }
.service-card-info p { color: var(--on-teal-ink); font-size: 0.94rem; margin: 0; }

/* ---------- Project types ---------- */
.type-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
@media (max-width: 900px) { .type-row { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 520px) { .type-row { grid-template-columns: repeat(2, 1fr); } }
.type-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-hair);
  background: var(--paper-card);
  padding: 36px 16px;
  text-align: center;
}
.type-chip .icon { width: 52px; height: 52px; margin: 0 0 18px; color: var(--rust); }
.type-chip span { font-family: var(--font-mono); font-size: 0.86rem; color: var(--ink); text-transform: uppercase; letter-spacing: 0.04em; }

/* ---------- Gallery ---------- */
.gallery-viewer { display: flex; flex-direction: column; gap: 18px; }

.gallery-main {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-hair);
  background: #000;
  cursor: zoom-in;
}
.gallery-main img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: contain;
  background: #000;
  display: block;
}
.gallery-expand-hint {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 6px 12px;
  background: rgba(15,36,54,0.75);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  pointer-events: none;
}
.gallery-main:focus-visible { outline: 2px solid var(--rust); outline-offset: -2px; }
.gallery-cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 14px 16px;
  background: linear-gradient(to top, rgba(15,36,54,0.92), transparent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.filmstrip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
@media (max-width: 720px) { .filmstrip { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 460px) { .filmstrip { grid-template-columns: repeat(2, 1fr); } }
.filmstrip-item {
  position: relative;
  aspect-ratio: 4/3;
  padding: 0;
  border: 2px solid transparent;
  background: none;
  overflow: hidden;
  cursor: pointer;
}
.filmstrip-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.6;
  transition: opacity 0.2s ease;
}
.filmstrip-item span {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 6px 8px;
  background: linear-gradient(to top, rgba(15,36,54,0.88), transparent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-align: left;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.filmstrip-item:hover img, .filmstrip-item:hover span,
.filmstrip-item.is-active img, .filmstrip-item.is-active span { opacity: 1; }
.filmstrip-item.is-active { border-color: var(--rust); }
.filmstrip-item:focus-visible { outline: 2px solid var(--rust); outline-offset: 2px; }

/* ---------- Process ---------- */
.process-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  counter-reset: step;
}
@media (max-width: 900px) { .process-list { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .process-list { grid-template-columns: 1fr; } }
.process-step {
  border-top: 2px solid var(--navy-line);
  padding: 22px 18px 0 0;
  position: relative;
}
.process-step .step-num {
  font-family: var(--font-mono);
  font-size: 2.16rem;
  font-weight: 700;
  color: var(--rust);
  letter-spacing: 0.02em;
  display: block;
  margin-bottom: 14px;
}
.process-step h3 { font-size: 1rem; color: #fff; margin: 0; }

/* ---------- Service area ---------- */
.area-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 860px) { .area-wrap { grid-template-columns: 1fr; } }
.county-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.county-tag {
  border: 1px solid var(--navy-deep);
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.coord-line {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-top: 18px;
}
.radius-graphic { display: flex; align-items: center; justify-content: center; }
.radius-graphic svg { width: 100%; max-width: 340px; height: auto; }

/* ---------- Why choose us ---------- */
.choose-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 40px;
}
@media (max-width: 760px) { .choose-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .choose-grid { grid-template-columns: 1fr; } }
.choose-item { display: flex; gap: 14px; align-items: flex-start; }
.choose-item .icon { width: 20px; height: 20px; flex: none; margin-top: 3px; color: var(--rust); }
.choose-item span { font-family: var(--font-display); font-size: 1rem; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 800px; }
.faq-item {
  border-bottom: 1px solid var(--line-hair);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .plus {
  font-family: var(--font-mono);
  color: var(--rust);
  font-size: 1.3rem;
  flex: none;
  transition: transform 0.2s ease;
}
.faq-item[open] summary .plus { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 0 24px; color: var(--ink-soft); max-width: 68ch; }

/* ---------- Related services ---------- */
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
}
.related-card {
  border: 1px solid var(--navy-line);
  padding: 20px;
  background: var(--navy);
}
.related-card h3 { font-size: 0.95rem; color: #fff; margin-bottom: 6px; }
.related-card p { font-size: 0.88rem; color: var(--mist-soft); margin: 0; }

/* ---------- Testimonials (scaffold, populate when quotes are available) ---------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 860px) { .testimonial-grid { grid-template-columns: 1fr; } }
.testimonial-card {
  border: 1px solid var(--line-hair);
  background: var(--paper-card);
  padding: 26px;
}
.testimonial-card p { font-style: italic; color: var(--ink-soft); }
.testimonial-card .who { font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; color: var(--ink); }

/* ---------- Brochure CTA ---------- */
.brochure-banner {
  border: 1px solid var(--navy-line);
  background: var(--navy);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.brochure-banner h3 { color: #fff; margin: 0 0 6px; font-size: 1.3rem; }
.brochure-banner p { color: var(--mist-soft); margin: 0; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-detail { margin-bottom: 22px; }
.contact-detail .label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--on-teal-ink);
  display: block;
  margin-bottom: 4px;
}
.contact-detail a, .contact-detail div.val {
  font-size: 1.15rem;
  color: var(--on-teal-ink);
  text-decoration: none;
  font-family: var(--font-display);
}
.map-embed { border: 1px solid var(--navy-line); overflow: hidden; margin-top: 28px; }
.map-embed iframe { width: 100%; height: 240px; border: 0; display: block; filter: grayscale(0.3) contrast(1.05); }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.contact-form label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--on-teal-ink);
  display: block;
  margin-bottom: 6px;
}
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  background: var(--navy-deep);
  border: 1px solid var(--on-teal-ink);
  color: var(--on-teal-ink);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border-radius: var(--radius);
}
.contact-form textarea { resize: vertical; min-height: 110px; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: 2px solid var(--on-teal-ink);
  outline-offset: 1px;
}
.contact-form button { align-self: flex-start; margin-top: 4px; border: none; }

a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--rust);
  outline-offset: 2px;
}

/* ---------- Footer (title block) ---------- */
.site-footer { background: var(--navy-deep); color: var(--on-teal-ink); }
.footer-top {
  padding: 60px 0 40px;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 32px;
  border-bottom: 1px solid var(--navy-line);
}
@media (max-width: 860px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-top { grid-template-columns: 1fr; } }
.footer-top img { height: 26px; margin-bottom: 14px; }
.footer-top p { font-size: 0.9rem; max-width: 32ch; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--on-teal-ink);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { text-decoration: none; font-size: 0.92rem; color: var(--on-teal-ink); }
.footer-col a:hover { text-decoration: underline; }

.titleblock {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--on-teal-ink);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
  justify-content: space-between;
  padding: 18px 0;
  text-transform: uppercase;
}
.titleblock span { padding: 0 16px; border-right: 1px solid var(--navy-line); }
.titleblock span:last-child { border-right: none; }
@media (max-width: 760px) {
  .titleblock { justify-content: flex-start; }
  .titleblock span { border-right: none; padding: 0 16px 0 0; }
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--rust);
  color: #fff;
  padding: 12px 18px;
  z-index: 1000;
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.8rem;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  background: rgba(15,36,54,0.96);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
@media (prefers-reduced-motion: reduce) { .lightbox { transition: none; } }

.lightbox-figure { margin: 0; max-width: 100%; max-height: 100%; text-align: center; }
.lightbox-figure img {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 140px);
  margin: 0 auto;
  border: 1px solid var(--navy-line);
}
.lightbox-figure figcaption {
  margin-top: 16px;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 28px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--navy-line);
  border-radius: var(--radius);
  background: transparent;
  color: #fff;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}
.lightbox-close:hover { border-color: #fff; }
.lightbox-close:focus-visible { outline: 2px solid var(--rust); outline-offset: 2px; }

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--navy-line);
  border-radius: var(--radius);
  background: rgba(15,36,54,0.4);
  color: #fff;
  cursor: pointer;
}
.lightbox-nav .icon { width: 26px; height: 26px; }
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }
.lightbox-nav:hover { border-color: #fff; background: rgba(15,36,54,0.7); }
.lightbox-nav:focus-visible { outline: 2px solid var(--rust); outline-offset: 2px; }
@media (max-width: 640px) {
  .lightbox-nav { width: 42px; height: 42px; }
  .lightbox-nav .icon { width: 20px; height: 20px; }
  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
}

body.lightbox-open { overflow: hidden; }