/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --orange:   #E85D04;
  --orange-d: #C44D00;
  --black:    #0A0A0A;
  --charcoal: #111111;
  --dark:     #1A1A1A;
  --mid:      #242424;
  --border:   #2A2A2A;
  --white:    #FFFFFF;
  --offwhite: #E8E8E8;
  --muted:    #888888;
  --font-head: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--offwhite);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-pad { padding: 96px 0; }

/* === TYPOGRAPHY === */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.1;
  text-transform: uppercase;
}

h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 700; }
h4 { font-size: 1.15rem; font-weight: 700; }

h1 em, h2 em { font-style: normal; color: var(--orange); }

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 14px;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}
.section-header p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.05rem;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: 2px;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}
.btn-primary:hover { background: var(--orange-d); border-color: var(--orange-d); }

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}
.btn-ghost:hover { border-color: var(--orange); color: var(--orange); }

.btn-sm { padding: 10px 22px; font-size: 0.85rem; }
.btn-large { padding: 18px 40px; font-size: 1.1rem; width: 100%; justify-content: center; }

/* === HEADER / NAV === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.nav-logo img { height: 68px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--offwhite);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--orange); }

.nav-cta {
  background: var(--orange) !important;
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: 2px;
}
.nav-cta:hover { background: var(--orange-d) !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: all 0.2s;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 84px;
  overflow: hidden;
  background: var(--charcoal);
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232,93,4,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,93,4,0.07) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center center;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  flex: 0 0 55%;
  padding: 60px 24px 60px calc((100vw - 1160px)/2 + 24px);
}

@media (max-width: 1200px) {
  .hero-content { padding-left: 24px; }
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 20px;
  position: relative;
  padding-left: 40px;
}
.hero-eyebrow::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 2px;
  background: var(--orange);
}

.hero h1 { margin-bottom: 24px; }
.hero-sub {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-schematic {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 45%;
  max-width: 500px;
  opacity: 0.55;
  pointer-events: none;
  padding-right: 24px;
}

/* === ABOUT === */
.about { background: var(--dark); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-text h2 { margin-bottom: 24px; }
.about-text p { color: var(--muted); margin-bottom: 16px; font-size: 1.05rem; }

.about-bullets {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.about-bullets li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--offwhite);
}
.bullet-icon { color: var(--orange); font-size: 1rem; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.stat-card {
  background: var(--mid);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.2s;
}
.stat-card:hover { border-color: var(--orange); }
.stat-card.accent { background: var(--orange); border-color: var(--orange); }
.stat-card.accent .stat-num, .stat-card.accent .stat-label { color: var(--white); }

.stat-num {
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
}
.stat-card.accent .stat-num { color: var(--white); }
.stat-num em { font-style: normal; font-size: 1.4rem; }

.stat-label {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.4;
}

/* === SECTORS === */
.sectors { background: var(--charcoal); }

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.sector-card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 36px 28px;
  position: relative;
  transition: border-color 0.25s, transform 0.25s;
  overflow: hidden;
}
.sector-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.sector-card:hover::before { transform: scaleX(1); }
.sector-card:hover {
  border-color: rgba(232,93,4,0.4);
  transform: translateY(-4px);
}

.sector-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
}
.sector-icon svg { width: 100%; height: 100%; }

.sector-card h3 {
  font-size: 1.4rem;
  margin-bottom: 14px;
  color: var(--white);
}
.sector-card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.sector-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
  border: 1px solid rgba(232,93,4,0.35);
  border-radius: 2px;
  padding: 3px 8px;
  margin: 3px 4px 3px 0;
}

/* === PROJECTS === */
.projects { background: var(--dark); }

.projects-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  align-items: start;
}

.project-card.featured {
  background: var(--mid);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.project-card.featured:hover { border-color: rgba(232,93,4,0.4); }

.project-img-wrap {
  position: relative;
  overflow: hidden;
}
.project-img-wrap img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  transition: transform 0.4s ease;
  display: block;
}
.project-card:hover .project-img-wrap img { transform: scale(1.03); }

.project-img-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
}

.project-type-badge {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(232,93,4,0.5);
  padding: 4px 10px;
  border-radius: 2px;
}

.project-info { padding: 32px 32px 36px; }

.project-refs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.ref-tag {
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--border);
  padding: 3px 10px;
  border-radius: 2px;
}

.project-info h3 { margin-bottom: 14px; color: var(--white); }
.project-info p { color: var(--muted); font-size: 0.95rem; margin-bottom: 24px; }

.project-specs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}
.project-specs li { font-size: 0.88rem; color: var(--muted); }
.project-specs li strong { color: var(--offwhite); margin-right: 6px; }

.project-placeholder {
  background: var(--mid);
  border: 2px dashed var(--border);
  border-radius: 4px;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s;
}
.project-placeholder:hover { border-color: rgba(232,93,4,0.3); }

.placeholder-inner {
  text-align: center;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.placeholder-inner svg { width: 60px; height: 60px; opacity: 0.6; }
.placeholder-inner p { color: var(--muted); font-size: 0.9rem; }

/* === WHY US === */
.why { background: var(--charcoal); }

.why-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  align-items: start;
}

.why-text { position: sticky; top: 104px; }
.why-text h2 { margin-bottom: 20px; }
.why-text p { color: var(--muted); font-size: 1.05rem; }

.why-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.why-card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 32px 28px;
  transition: border-color 0.2s;
}
.why-card:hover { border-color: rgba(232,93,4,0.35); }

.why-card-num {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(232,93,4,0.2);
  line-height: 1;
  margin-bottom: 12px;
}
.why-card h4 { margin-bottom: 10px; color: var(--white); }
.why-card p { font-size: 0.9rem; color: var(--muted); }

/* === CONTACT === */
.contact { background: var(--dark); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-text h2 { margin-bottom: 20px; }
.contact-text > p { color: var(--muted); font-size: 1.05rem; margin-bottom: 40px; }

.contact-detail {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}
.contact-icon {
  width: 52px;
  height: 52px;
  background: rgba(232,93,4,0.12);
  border: 1px solid rgba(232,93,4,0.3);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg { width: 22px; height: 22px; }
.contact-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.contact-value {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--orange);
  transition: color 0.2s;
}
.contact-value:hover { color: var(--white); }

.contact-note {
  background: var(--mid);
  border-left: 3px solid var(--orange);
  padding: 16px 20px;
  border-radius: 0 3px 3px 0;
}
.contact-note p { font-size: 0.9rem; color: var(--muted); }

.cta-panel-inner {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 48px 40px;
  position: sticky;
  top: 104px;
}
.cta-panel-inner h3 { margin-bottom: 14px; color: var(--white); }
.cta-panel-inner > p { color: var(--muted); font-size: 0.95rem; margin-bottom: 28px; }

.cta-divider {
  text-align: center;
  position: relative;
  margin: 24px 0;
}
.cta-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0; right: 0;
  height: 1px;
  background: var(--border);
}
.cta-divider span {
  position: relative;
  background: var(--charcoal);
  padding: 0 12px;
  font-size: 0.82rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.cta-sub { font-size: 0.88rem; color: var(--muted); margin-bottom: 14px; }
.cta-checklist { display: flex; flex-direction: column; gap: 10px; }
.cta-checklist li {
  font-size: 0.9rem;
  color: var(--offwhite);
  padding-left: 20px;
  position: relative;
}
.cta-checklist li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--orange);
  font-size: 0.85rem;
}

/* === FOOTER === */
.site-footer {
  background: var(--black);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.footer-logo { height: 48px; width: auto; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; color: var(--muted); line-height: 1.6; }

.footer-links ul { display: flex; flex-direction: column; gap: 12px; }
.footer-links a {
  font-size: 0.9rem;
  color: var(--muted);
  transition: color 0.2s;
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer-links a:hover { color: var(--orange); }

.footer-contact p { font-size: 0.9rem; color: var(--muted); margin-bottom: 8px; }
.footer-contact a { color: var(--orange); transition: color 0.2s; }
.footer-contact a:hover { color: var(--white); }
.footer-reg { font-size: 0.8rem; margin-top: 12px; }

.footer-base {
  padding: 20px 0;
  text-align: center;
}
.footer-base p { font-size: 0.8rem; color: rgba(255,255,255,0.25); }

/* === MOBILE NAV === */
@media (max-width: 768px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    inset: 84px 0 0;
    background: rgba(10,10,10,0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.5rem; }

  .hero { flex-direction: column; min-height: auto; padding-bottom: 60px; }
  .hero-content { flex: none; padding: 80px 24px 40px; }
  .hero-schematic { position: relative; right: auto; top: auto; transform: none; width: 85%; max-width: 380px; margin: 0 auto; padding: 0 24px 40px; }

  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-stats { grid-template-columns: 1fr 1fr 1fr; }

  .sectors-grid { grid-template-columns: 1fr 1fr; }

  .projects-grid { grid-template-columns: 1fr; }
  .project-img-wrap img { height: 260px; }

  .why-inner { grid-template-columns: 1fr; gap: 48px; }
  .why-text { position: static; }
  .why-cards { grid-template-columns: 1fr; }

  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .cta-panel-inner { position: static; }

  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 480px) {
  .sectors-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .why-cards { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; justify-content: center; }
}