/* ============================================================
   Coteccons concept — scoped under [data-site="coteccons"]
   Direction 2026-2030: Blueprint-to-Skyline
   Fingerprint: titleblock tab nav · crane-sheet-frame ·
   drafting mono heavy · sheet zone grid · floor stack cadence ·
   real-construction-photography · hazard stripe angle ·
   measured-sheet-reveal
   ============================================================ */

[data-site="coteccons"] {
  --ct-canvas: #f1f0eb;
  --ct-surface: #fbfaf6;
  --ct-text: #1f2429;
  --ct-muted: #5c646c;
  --ct-blue: #153da6;
  --ct-blue-mid: #1d4ed8;
  --ct-safety: #8a6400;
  --ct-safety-bright: #c79000;
  --ct-gridline: #d9d6cc;
  --ct-border: #d8d4c9;
  --ct-container: 78rem;
  --ct-t-fast: 120ms;
  --ct-t-base: 200ms;

  font-family: system-ui, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background:
    linear-gradient(var(--ct-gridline) 1px, transparent 1px),
    linear-gradient(90deg, var(--ct-gridline) 1px, transparent 1px),
    var(--ct-canvas);
  background-size: 48px 48px, 48px 48px, auto;
  color: var(--ct-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

[data-site="coteccons"] *,
[data-site="coteccons"] *::before,
[data-site="coteccons"] *::after { box-sizing: border-box; }

[data-site="coteccons"] h1,
[data-site="coteccons"] h2,
[data-site="coteccons"] h3 {
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
  text-transform: uppercase;
}

[data-site="coteccons"] p { margin: 0 0 1em; }
[data-site="coteccons"] ul, [data-site="coteccons"] ol { margin: 0; padding: 0; list-style: none; }
[data-site="coteccons"] a { color: var(--ct-blue); }
[data-site="coteccons"] svg { max-width: 100%; }

[data-site="coteccons"] :focus-visible {
  outline: 3px solid var(--ct-blue-mid);
  outline-offset: 2px;
}

[data-site="coteccons"] .visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

[data-site="coteccons"] .skip {
  position: absolute;
  left: 1rem; top: -4rem;
  background: var(--ct-blue);
  color: #fff;
  font-weight: 700;
  padding: 0.7rem 1.2rem;
  z-index: 100;
  text-decoration: none;
  transition: top var(--ct-t-fast) ease;
}
[data-site="coteccons"] .skip:focus { top: 1rem; }

[data-site="coteccons"] .container {
  width: min(100% - 2.5rem, var(--ct-container));
  margin-inline: auto;
}

/* ---------- concept strip ---------- */
[data-site="coteccons"] .concept-strip {
  background: var(--ct-blue);
  color: #c9d6f4;
  font-size: 0.8rem;
  padding: 0.55rem 1rem;
  text-align: center;
}
[data-site="coteccons"] .concept-tag {
  display: inline-block;
  background: var(--ct-safety-bright);
  color: #241a00;
  font-weight: 800;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  padding: 0.12rem 0.6rem;
  margin-right: 0.5rem;
  vertical-align: 1px;
}

/* ---------- header ---------- */
[data-site="coteccons"] .site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 246, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--ct-blue);
}
[data-site="coteccons"] .header-inner {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  padding: 0.65rem 0;
}
[data-site="coteccons"] .brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ct-blue);
}
[data-site="coteccons"] .brand-glyph {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  background: var(--ct-blue);
  border-radius: 8px;
  color: #fff;
}
[data-site="coteccons"] .brand-text { display: flex; flex-direction: column; line-height: 1.15; }
[data-site="coteccons"] .brand-name { font-size: 1.15rem; font-weight: 900; letter-spacing: 0.06em; }
[data-site="coteccons"] .brand-sub {
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--ct-safety);
  text-transform: uppercase;
}
[data-site="coteccons"] .main-nav { margin-left: auto; }
[data-site="coteccons"] .main-nav ul { display: flex; gap: 0.15rem; flex-wrap: wrap; }
[data-site="coteccons"] .main-nav a {
  display: block;
  text-decoration: none;
  color: var(--ct-text);
  font-weight: 800;
  font-size: 0.88rem;
  padding: 0.55rem 0.9rem;
  border-radius: 6px;
  transition: background var(--ct-t-fast) ease, color var(--ct-t-fast) ease;
}
[data-site="coteccons"] .main-nav a:hover { background: var(--ct-blue); color: #fff; }
[data-site="coteccons"] .header-cta {
  text-decoration: none;
  font-weight: 800;
  font-size: 0.85rem;
  color: #fff;
  background: var(--ct-blue);
  padding: 0.6rem 1.05rem;
  white-space: nowrap;
  transition: background var(--ct-t-fast) ease;
}
[data-site="coteccons"] .header-cta:hover { background: var(--ct-blue-mid); }

[data-site="coteccons"] .nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
  margin-left: auto;
}
[data-site="coteccons"] .nav-toggle span {
  width: 24px; height: 3px;
  background: var(--ct-blue);
}

/* ---------- hero sheet ---------- */
[data-site="coteccons"] .hero {
  padding: 4rem 0 0;
  position: relative;
}
[data-site="coteccons"] .eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  color: var(--ct-blue);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}
[data-site="coteccons"] .eyebrow-dark { color: #5a4a10; }
[data-site="coteccons"] .chip {
  background: var(--ct-blue);
  color: #fff;
  padding: 0.18rem 0.7rem;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
}
[data-site="coteccons"] .hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  margin-bottom: 0.25em;
}
[data-site="coteccons"] .hero h1 em { font-style: normal; color: var(--ct-safety); }
[data-site="coteccons"] .hero-sub {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1rem;
  letter-spacing: 0.24em;
  color: var(--ct-blue);
  margin: 0 0 1rem;
}
[data-site="coteccons"] .lede { color: var(--ct-muted); max-width: 42rem; }
[data-site="coteccons"] .hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; margin: 1.5rem 0 2.5rem; }

[data-site="coteccons"] .btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 800;
  padding: 0.85rem 1.5rem;
  border: 2px solid transparent;
  transition: transform var(--ct-t-fast) ease, background var(--ct-t-fast) ease, border-color var(--ct-t-fast) ease;
}
[data-site="coteccons"] .btn-blue { background: var(--ct-blue); color: #fff; }
[data-site="coteccons"] .btn-blue:hover { background: var(--ct-blue-mid); transform: translateY(-2px); }
[data-site="coteccons"] .btn-outline { color: var(--ct-blue); border-color: var(--ct-blue); }
[data-site="coteccons"] .btn-outline:hover { border-color: var(--ct-safety); color: var(--ct-safety); }
[data-site="coteccons"] .btn-lg { padding: 1rem 1.85rem; font-size: 1rem; }

/* ---------- hero grid + sheet frame ---------- */
[data-site="coteccons"] .hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 1fr;
  gap: clamp(1.6rem, 4vw, 3.4rem);
  align-items: center;
  padding-bottom: 2.5rem;
}
[data-site="coteccons"] .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
  margin: 0.4rem 0 0;
  padding-top: 1.2rem;
  border-top: 2px solid var(--ct-blue);
}
[data-site="coteccons"] .hero-facts dt {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--ct-blue);
  line-height: 1;
}
[data-site="coteccons"] .hero-facts dd { margin: 0.35rem 0 0; font-size: 0.8rem; color: var(--ct-muted); }

[data-site="coteccons"] .sheet-frame { margin: 0; }
[data-site="coteccons"] .sheet-frame-inner {
  position: relative;
  border: 2px solid var(--ct-blue);
  background: var(--ct-paper);
  padding: 0.65rem;
}
[data-site="coteccons"] .sheet-frame-inner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
[data-site="coteccons"] .frame-rule {
  position: absolute;
  inset: 0.65rem;
  border: 1px dashed rgba(29, 78, 216, 0.45);
  pointer-events: none;
}
[data-site="coteccons"] .frame-mark {
  position: absolute;
  right: 0.9rem;
  bottom: 0.9rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.15rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.56rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
}
[data-site="coteccons"] .sheet-frame figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.4rem 1rem;
  margin-top: 0.7rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--ct-muted);
}
[data-site="coteccons"] .sheet-frame .cap-title { color: var(--ct-blue); font-weight: 700; }
[data-site="coteccons"] .sheet-frame a,
[data-site="coteccons"] .site-photo a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }

/* ---------- site band (real construction photos) ---------- */
[data-site="coteccons"] .site-band {
  background:
    repeating-linear-gradient(-45deg, #e6c65c 0 14px, #1f2429 14px 28px) left top / 100% 10px no-repeat,
    var(--ct-surface);
}
[data-site="coteccons"] .site-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.9rem, 1.8vw, 1.4rem);
}
[data-site="coteccons"] .site-photo { margin: 0; display: flex; flex-direction: column; border: 2px solid var(--ct-blue); background: var(--ct-paper); }
[data-site="coteccons"] .site-photo-wide { grid-column: span 2; }
[data-site="coteccons"] .site-photo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
[data-site="coteccons"] .site-photo-wide img { aspect-ratio: 21 / 9; }
[data-site="coteccons"] .site-photo:not(.site-photo-wide) img { aspect-ratio: 3 / 2; }
[data-site="coteccons"] .site-photo figcaption {
  padding: 0.65rem 0.8rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  color: var(--ct-muted);
  border-top: 1px solid var(--ct-border);
}

/* ---------- sheet sections ---------- */
[data-site="coteccons"] .sheet { position: relative; }
[data-site="coteccons"] .sheet::before {
  content: "REV 2026 · CONCEPT SHEET · NTS";
  position: absolute;
  top: 1.1rem;
  right: 1.1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: #9aa0a8;
  border: 1px solid var(--ct-border);
  padding: 0.3rem 0.55rem;
  background: var(--ct-surface);
}
[data-site="coteccons"] .section { padding: 4.25rem 0; }
[data-site="coteccons"] .section-head { max-width: 44rem; margin-bottom: 2.25rem; }
[data-site="coteccons"] .section-head h2 { font-size: clamp(1.7rem, 3.3vw, 2.5rem); }
[data-site="coteccons"] .section-note { color: var(--ct-muted); }

/* hazard divider */
[data-site="coteccons"] .sheet + .sheet { border-top: 12px solid transparent; }
[data-site="coteccons"] .sheet-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}
[data-site="coteccons"] .sheet-card {
  background: var(--ct-surface);
  border: 1.5px solid var(--ct-border);
  border-top: 5px solid var(--ct-blue);
  padding: 1.6rem 1.5rem 1.5rem;
  position: relative;
  transition: transform var(--ct-t-fast) ease, border-color var(--ct-t-fast) ease;
}
[data-site="coteccons"] .sheet-card:hover { transform: translateY(-3px); border-top-color: var(--ct-safety-bright); }
[data-site="coteccons"] .sheet-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ct-safety);
}
[data-site="coteccons"] .sheet-card h3 { font-size: 1.15rem; margin: 0.4em 0 0.35em; }
[data-site="coteccons"] .sheet-card p { margin: 0; color: var(--ct-muted); font-size: 0.92rem; }

/* project stack */
[data-site="coteccons"] .project-stack { display: grid; gap: 1rem; }
[data-site="coteccons"] .project {
  background: var(--ct-surface);
  border: 1.5px solid var(--ct-border);
  border-left: 8px solid var(--ct-safety-bright);
  padding: 1.7rem 1.8rem;
}
[data-site="coteccons"] .project-big {
  border-left-color: var(--ct-blue);
}
[data-site="coteccons"] .project-big h3 {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
}
[data-site="coteccons"] .project h3 { font-size: clamp(1.3rem, 3vw, 2rem); margin-bottom: 0.3em; }
[data-site="coteccons"] .project p { margin: 0; color: var(--ct-muted); max-width: 46rem; }
[data-site="coteccons"] .floor-tag {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ct-blue);
  margin-bottom: 0.7rem;
}
[data-site="coteccons"] .project-note { border-left-color: var(--ct-border); background: #f6f5ef; }

/* footprint */
[data-site="coteccons"] .footprint-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 2rem;
}
[data-site="coteccons"] .footprint-rail li {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--ct-text);
  background: var(--ct-surface);
  border: 1.5px solid var(--ct-border);
  border-bottom: 4px solid var(--ct-blue);
  padding: 0.7rem 1.1rem;
}
[data-site="coteccons"] .fact-card {
  background: var(--ct-surface);
  border: 1.5px solid var(--ct-border);
  padding: 1.5rem 1.6rem;
  display: grid;
  gap: 0.9rem;
  margin: 0;
  max-width: 46rem;
}
[data-site="coteccons"] .fact-card div {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 0.75rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px dashed var(--ct-border);
}
[data-site="coteccons"] .fact-card div:last-child { border-bottom: 0; padding-bottom: 0; }
[data-site="coteccons"] .fact-card dt {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ct-muted);
}
[data-site="coteccons"] .fact-card dd { margin: 0; font-weight: 600; font-size: 0.95rem; }

/* cta */
[data-site="coteccons"] .cta { padding: 4.25rem 0; text-align: center; }
[data-site="coteccons"] .cta-inner h2 { font-size: clamp(1.75rem, 3.3vw, 2.4rem); }

/* footer */
[data-site="coteccons"] .site-footer {
  background: #14181d;
  color: #b9c1cb;
  padding: 3.25rem 0 2rem;
  border-top: 12px solid transparent;
  border-image: repeating-linear-gradient(-45deg, #c79000 0 16px, #14181d 16px 32px) 12;
}
[data-site="coteccons"] .footer-brand { display: flex; align-items: baseline; gap: 0.9rem; margin-bottom: 1.4rem; flex-wrap: wrap; }
[data-site="coteccons"] .f-name { color: #fff; font-size: 1.3rem; font-weight: 900; letter-spacing: 0.06em; }
[data-site="coteccons"] .f-sub { font-size: 0.8rem; color: var(--ct-safety-bright); }
[data-site="coteccons"] .footer-nav ul { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin-bottom: 1.6rem; }
[data-site="coteccons"] .footer-nav a { color: #dfe5ec; text-decoration: none; font-size: 0.9rem; font-weight: 600; }
[data-site="coteccons"] .footer-nav a:hover { color: var(--ct-safety-bright); }
[data-site="coteccons"] .disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 1.4rem;
  font-size: 0.82rem;
  color: #9aa5b1;
  max-width: 62rem;
}
[data-site="coteccons"] .colophon { font-size: 0.75rem; color: #7c8794; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  [data-site="coteccons"] .sheet-grid { grid-template-columns: 1fr 1fr; }
  [data-site="coteccons"] .hero-grid { grid-template-columns: 1fr; }
  [data-site="coteccons"] .sheet-frame { max-width: 34rem; }
}

@media (max-width: 760px) {
  [data-site="coteccons"] .nav-toggle { display: flex; }
  [data-site="coteccons"] .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--ct-surface);
    border-bottom: 2px solid var(--ct-blue);
    padding: 0.75rem 1.25rem 1.25rem;
  }
  [data-site="coteccons"] .main-nav.is-open { display: block; }
  [data-site="coteccons"] .main-nav ul { flex-direction: column; gap: 0.25rem; }
  [data-site="coteccons"] .header-cta { display: none; }
  [data-site="coteccons"] .sheet-grid { grid-template-columns: 1fr; }
  [data-site="coteccons"] .site-grid { grid-template-columns: 1fr; }
  [data-site="coteccons"] .site-photo-wide { grid-column: auto; }
  [data-site="coteccons"] .site-photo-wide img { aspect-ratio: 3 / 2; }
}

@media (max-width: 520px) {
  [data-site="coteccons"] .section { padding: 3rem 0; }
  [data-site="coteccons"] .fact-card div { grid-template-columns: 1fr; }
  [data-site="coteccons"] .sheet::before { display: none; }
}

/* ---------- scroll-driven reveal (2026+ CSS) ---------- */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    [data-site="coteccons"] .sheet-frame,
    [data-site="coteccons"] .site-photo {
      animation: ct-rise linear both;
      animation-timeline: view();
      animation-range: entry 0% cover 26%;
    }
    @keyframes ct-rise {
      from { transform: translateY(26px); }
      to { transform: translateY(0); }
    }
  }
}

/* ---------- motion ---------- */
@media (prefers-reduced-motion: reduce) {
  [data-site="coteccons"] * {
    animation: none !important;
    transition: none !important;
  }
}

/* ---------- polish: motion layer 2 ---------- */
[data-site="coteccons"] .sheet-card:hover .sheet-code {
  display: inline-block;
  animation: ct-draft 0.5s ease;
}
@keyframes ct-draft {
  40% { transform: translateX(4px); }
}
[data-site="coteccons"] .hero-facts dt { transition: color 0.2s ease; }