:root {
  --bg: #ffffff;
  --bg-2: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #fafbfc;
  --line: #e6e8ec;
  --text: #0f1419;
  --muted: #5a6373;
  --accent: #d4161c;
  --accent-2: #b00f15;
  --accent-soft: #fde8e9;
  --dark: #0f1419;
  --radius: 10px;
  --container: 1200px;
  --shadow-sm: 0 1px 2px rgba(15,20,25,0.04), 0 1px 3px rgba(15,20,25,0.06);
  --shadow-md: 0 4px 12px rgba(15,20,25,0.08);
  --shadow-lg: 0 12px 32px rgba(15,20,25,0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 {
  font-family: 'Barlow Condensed', 'Inter', sans-serif;
  letter-spacing: 0.5px;
  line-height: 1.1;
  margin: 0 0 16px;
  text-transform: uppercase;
  color: var(--text);
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }

.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 3px;
  margin-bottom: 14px;
}
.accent { color: var(--accent); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); transform: translateY(-1px); }
.btn-ghost { border-color: rgba(255,255,255,0.4); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.1); }
.btn-lg { padding: 16px 28px; font-size: 1rem; }

/* HEADER */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid; place-items: center;
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800; font-size: 1.5rem;
  border-radius: 8px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text strong { font-family: 'Barlow Condensed', sans-serif; letter-spacing: 1.5px; font-size: 1.1rem; color: var(--text); }
.brand-text em { font-style: normal; color: var(--accent); font-size: 0.72rem; letter-spacing: 4px; }

.nav { display: flex; gap: 28px; }
.nav a {
  font-size: 0.92rem; font-weight: 500; color: var(--muted);
  transition: color .2s;
}
.nav a:hover { color: var(--accent); }

.header-cta { font-size: 0.88rem; padding: 10px 18px; }

.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; position: relative; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px auto; transition: .25s; }

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
  color: #fff;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, rgba(15,20,25,0.85) 0%, rgba(212,22,28,0.75) 100%),
    url('https://images.unsplash.com/photo-1565008447742-97f6f38c985c?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
}
.hero-content { position: relative; z-index: 1; max-width: 920px; }
.hero h1, .hero h2 { color: #fff; }
.lead { font-size: 1.1rem; color: rgba(255,255,255,0.85); max-width: 680px; margin: 0 0 32px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 60px; }
.hero .eyebrow { color: #ffb3b6; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding: 28px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
}
.hero-stats div { text-align: left; }
.hero-stats strong {
  display: block; font-family: 'Barlow Condensed', sans-serif;
  font-size: 2rem; color: #fff; font-weight: 800; line-height: 1;
}
.hero-stats span { font-size: 0.82rem; color: rgba(255,255,255,0.75); }

/* SECTIONS */
.section { padding: 100px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head p { color: var(--muted); }

.two-col {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.about { background: var(--bg-2); }
.about p { color: var(--muted); }
.check-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.check-list li {
  position: relative; padding-left: 32px; color: var(--text);
}
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: grid; place-items: center; font-weight: 800; font-size: 0.8rem;
}
.about-visual { position: relative; }
.visual-card {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=900&q=80') center/cover no-repeat;
  position: relative;
}
.visual-card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(212,22,28,0.35) 100%);
}

/* SERVICES */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.service-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  box-shadow: var(--shadow-sm);
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.service-icon {
  width: 54px; height: 54px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 1.6rem; font-weight: 800;
  border-radius: 8px;
  margin-bottom: 18px;
}
.service-card p { color: var(--muted); margin: 0; }

/* SECTORS */
.sectors { background: var(--bg-2); }
.sector-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.sector {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  font-weight: 600; font-size: 0.95rem;
  text-align: center;
  transition: border-color .2s, color .2s, background .2s;
  color: var(--text);
}
.sector:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

/* PROJECTS */
.project-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
  box-shadow: var(--shadow-sm);
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.project-img {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  position: relative;
}
.project-img::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(15,20,25,0.4) 100%);
}
.project-card h4 {
  margin: 0; padding: 18px 22px;
  font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-size: 1.05rem;
}

/* CTA BAND */
.cta-band {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #fff;
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute; inset: 0;
  background: url('https://images.unsplash.com/photo-1565793298595-6a879b1d9492?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
  opacity: 0.15;
  mix-blend-mode: overlay;
}
.cta-inner {
  display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap;
  position: relative; z-index: 1;
}
.cta-band h2 { color: #fff; margin: 0 0 6px; }
.cta-band p { margin: 0; opacity: 0.9; }
.cta-band .btn-primary { background: #fff; color: var(--accent); }
.cta-band .btn-primary:hover { background: var(--text); color: #fff; }

/* CONTACT */
.contact p { color: var(--muted); }
.contact-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 14px; }
.contact-list li { color: var(--muted); }
.contact-list strong { color: var(--text); display: inline-block; min-width: 130px; }
.contact-list small { opacity: 0.6; }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  display: grid; gap: 16px;
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label {
  display: grid; gap: 6px;
  font-size: 0.85rem; color: var(--muted); font-weight: 500;
}
.contact-form input,
.contact-form textarea {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit; font-size: 0.95rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-status { margin: 0; font-size: 0.9rem; color: var(--accent); min-height: 1.2em; }

/* FOOTER */
.site-footer {
  background: var(--dark);
  color: #fff;
  padding: 60px 0 24px;
}
.footer-inner {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px;
  padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.site-footer h5 {
  font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: 2px; text-transform: uppercase;
  color: #fff; margin: 0 0 14px; font-size: 0.95rem;
}
.site-footer .brand-text strong { color: #fff; }
.site-footer a { display: block; color: rgba(255,255,255,0.65); font-size: 0.9rem; padding: 4px 0; }
.site-footer a:hover { color: var(--accent); }
.site-footer p { color: rgba(255,255,255,0.65); margin: 4px 0; font-size: 0.9rem; }
.brand-footer { margin-bottom: 14px; }
.footer-bottom { padding-top: 22px; color: rgba(255,255,255,0.55); font-size: 0.85rem; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .nav {
    position: fixed; top: 76px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; gap: 0; padding: 16px 24px;
    transform: translateY(-120%); transition: transform .25s ease;
    box-shadow: var(--shadow-md);
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav a:last-child { border-bottom: 0; }
  .nav-toggle { display: block; }
  .header-cta { display: none; }
  .two-col { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .sector-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .grid-3 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .hero { padding: 120px 0 60px; }
}