/* ══════════════════════════════════════════════════
   ITS Design Team Inc. — Global Stylesheet
   ══════════════════════════════════════════════════ */

:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --fg-muted: #555;
  --fg-dim: #888;
  --accent: #1a5ccc;
  --accent-light: #e8f0fe;
  --border: #e2e2e2;
  --card-bg: #f7f8fa;
  --sans: 'DM Sans', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--fg);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

::selection { background: var(--accent); color: #fff; }

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  color: var(--fg);
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.78rem;
  color: var(--fg-muted);
  letter-spacing: 0.03em;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--accent); }

/* ── LAYOUT ── */
.page-wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 8rem 2rem 4rem;
}

section {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

section:first-of-type { border-top: none; padding-top: 0; }

.section-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.section-sub {
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin-bottom: 2rem;
}

h1 {
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

h1 em { font-style: italic; color: var(--accent); }

h2 {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--fg);
}

h3 {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 0.4rem;
}

/* ── HERO (homepage) ── */
.hero {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-bottom: 2rem;
}

.hero-disciplines {
  font-family: var(--mono);
  font-size: 0.92rem;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.hero-tagline {
  font-size: 0.88rem;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
  margin-bottom: 2.5rem;
}

.hero-body {
  font-size: 0.92rem;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.hero-badges {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.badge {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  padding: 0.45rem 1rem;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  transition: border-color 0.2s, color 0.2s;
}

.badge:hover { border-color: var(--accent); color: var(--accent); }

/* ── PAGE HEADER (interior pages) ── */
.page-header {
  padding-bottom: 2rem;
}

.page-header .section-label { margin-bottom: 0.8rem; }

.page-header h1 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  margin-bottom: 0.8rem;
}

.page-header .lead {
  font-size: 0.92rem;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
}

/* ── BREADCRUMB ── */
.breadcrumb {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  margin-bottom: 1.5rem;
}

.breadcrumb a { color: var(--fg-dim); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 0.4rem; }

/* ── PROSE ── */
.prose {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.75;
  max-width: 640px;
}

.prose p { margin-bottom: 1.2rem; }
.prose p:last-child { margin-bottom: 0; }

.prose h3 {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--fg);
  margin-top: 2rem;
  margin-bottom: 0.6rem;
}

/* ── ABOUT META ── */
.about-meta {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.2rem 2rem;
}

.about-meta dt {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 0.15rem;
}

.about-meta dd {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 1rem;
}

.about-meta dd a { color: var(--fg-muted); }
.about-meta dd a:hover { color: var(--accent); }

.fire-alarm-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  margin-top: 2rem;
}

/* ── SECTORS GRID ── */
.sectors-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem 2rem;
}

.sector-item { display: flex; flex-direction: column; }

.sector-image {
  width: 100%; height: 140px;
  object-fit: cover;
  border-radius: 6px;
  background-color: var(--card-bg);
  margin-bottom: 0.8rem;
  border: 1px solid var(--border);
}

.sector-name {
  font-size: 0.88rem;
  color: var(--fg);
  font-weight: 500;
}

.sector-name a { color: var(--fg); }
.sector-name a:hover { color: var(--accent); }

.sector-sub {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--fg-dim);
  letter-spacing: 0.06em;
  margin-top: 0.2rem;
}

/* ── SERVICES GRID ── */
.services-grid { display: grid; grid-template-columns: 1fr; gap: 0; }

.service-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.service-item:last-child { border-bottom: none; }

.service-item p {
  font-size: 0.82rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.65;
}

.service-item a { color: var(--fg); }
.service-item a:hover { color: var(--accent); }

.service-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.6rem;
}

.service-tags span {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  text-transform: uppercase;
}

/* ── PROJECTS GRID ── */
.projects-grid { display: grid; grid-template-columns: 1fr; gap: 0; }

.project-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 2rem;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}

.project-item:last-child { border-bottom: none; }

.project-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--fg);
}

.project-name a { color: var(--fg); }
.project-name a:hover { color: var(--accent); }

.project-desc {
  font-size: 0.8rem;
  color: var(--fg-dim);
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-detail {
  grid-column: 1 / -1;
  margin-top: 0.4rem;
  font-size: 0.82rem;
  color: var(--fg-muted);
  line-height: 1.6;
  max-width: 600px;
}

.project-tags {
  grid-column: 1 / -1;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.project-tags span {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  text-transform: uppercase;
}

.project-quote {
  grid-column: 1 / -1;
  margin-top: 0.8rem;
  padding-left: 1rem;
  border-left: 2px solid var(--accent);
  font-size: 0.8rem;
  color: var(--fg-dim);
  font-style: italic;
  line-height: 1.6;
  max-width: 540px;
}

/* ── CASE STUDY DETAIL ── */
.case-meta {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem 2rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.case-meta dt {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 0.1rem;
}

.case-meta dd {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

.case-meta dd a { color: var(--fg-muted); }
.case-meta dd a:hover { color: var(--accent); }

/* ── RELATED LINKS ── */
.related {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.related h3 {
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
}

.related-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.related-links a {
  font-size: 0.82rem;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.related-links a::before {
  content: '→';
  color: var(--accent);
  font-size: 0.75rem;
}

.related-links a:hover { color: var(--accent); }

/* ── CONTACT ── */
.contact-block { margin-bottom: 2rem; }

.contact-name {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 0.2rem;
}

.contact-title {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 1.5rem;
}

.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.contact-meta > div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 1rem;
  align-items: baseline;
}

.contact-meta a, .contact-meta span {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.contact-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.contact-note {
  margin-top: 2rem;
  font-size: 0.82rem;
  color: var(--fg-dim);
  max-width: 520px;
  line-height: 1.65;
}

/* ── CTA STRIP ── */
.cta-strip {
  margin-top: 3rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.cta-strip p {
  font-size: 0.88rem;
  color: var(--fg-muted);
}

.cta-link {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.5rem 1.2rem;
  transition: background 0.2s, color 0.2s;
}

.cta-link:hover {
  background: var(--accent);
  color: #fff;
}

/* ── FOOTER ── */
footer {
  padding: 2rem;
  max-width: 820px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
  font-size: 0.72rem;
  color: var(--fg-dim);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ── FADE IN ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-header > *,
.hero > * {
  animation: fadeUp 0.6s ease both;
}

.page-header > *:nth-child(1),
.hero > *:nth-child(1) { animation-delay: 0.05s; }
.page-header > *:nth-child(2),
.hero > *:nth-child(2) { animation-delay: 0.12s; }
.page-header > *:nth-child(3),
.hero > *:nth-child(3) { animation-delay: 0.2s; }
.page-header > *:nth-child(4),
.hero > *:nth-child(4) { animation-delay: 0.28s; }
.page-header > *:nth-child(5),
.hero > *:nth-child(5) { animation-delay: 0.36s; }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  nav { padding: 1rem; }
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: 0.72rem; }
  .page-wrap { padding: 7rem 1.2rem 3rem; }
  .project-item { grid-template-columns: 1fr; gap: 0; }
  .project-desc { text-align: left; white-space: normal; margin-top: 0.2rem; }
  footer { padding: 1.5rem 1.2rem; }
  .sectors-list { grid-template-columns: 1fr; gap: 2rem; }
  .contact-meta > div { grid-template-columns: 90px 1fr; }
  .cta-strip { flex-direction: column; align-items: flex-start; }
  .case-meta { grid-template-columns: 1fr 1fr; }
}