:root {
  --bg: #0f0e0c;
  --surface: #1c1a17;
  --surface-light: #262320;
  --accent: #f97316;
  --accent-dark: #ea580c;
  --text: #f5f5f4;
  --muted: #a8a29e;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.4);
  --radius: 6px;
  --transition: 0.3s ease;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif; background: var(--bg); color: var(--text); line-height: 1.65; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(15, 14, 12, 0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.nav-container { max-width: 1180px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 80px; }
.nav-logo img { height: 48px; }
.nav-menu { display: flex; align-items: center; gap: 38px; }
.nav-menu a { font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); transition: var(--transition); }
.nav-menu a:hover { color: var(--accent); }
.nav-cta { color: var(--text) !important; background: var(--accent); padding: 10px 22px; border-radius: var(--radius); }
.nav-cta:hover { background: var(--accent-dark); color: var(--text) !important; }
.nav-toggle { display: none; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; }
.nav-toggle span { display: block; width: 28px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

.hero { min-height: 100vh; padding-top: 80px; display: flex; align-items: center; background: radial-gradient(circle at 70% 20%, rgba(249, 115, 22, 0.16) 0%, transparent 40%), var(--bg); overflow: hidden; }
.hero-inner { max-width: 1180px; margin: 0 auto; padding: 80px 24px; width: 100%; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 80px; align-items: center; }
.kicker { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; }
.hero h1 { font-size: clamp(38px, 5vw, 64px); line-height: 1.08; font-weight: 900; margin-bottom: 24px; text-transform: uppercase; }
.hero h1 span { color: var(--accent); }
.hero-lead { font-size: clamp(16px, 2vw, 19px); color: var(--muted); max-width: 540px; margin-bottom: 34px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 30px; border-radius: var(--radius); font-size: 15px; font-weight: 700; transition: var(--transition); border: none; cursor: pointer; }
.btn-primary { background: var(--accent); color: var(--text); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--text); border: 2px solid var(--accent); }
.btn-ghost:hover { background: var(--accent); color: var(--text); transform: translateY(-2px); }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.hero-stats .stat { color: var(--muted); font-size: 14px; }
.hero-stats .stat span { display: block; font-size: 32px; font-weight: 800; color: var(--text); }
.hero-image { position: relative; min-height: 420px; background: var(--surface); border-radius: var(--radius); overflow: hidden; }
.building-scape { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(249, 115, 22, 0.2) 0%, transparent 55%), repeating-linear-gradient(90deg, var(--surface-light) 0, var(--surface-light) 34px, transparent 34px, transparent 52px), linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.4) 100%); }

section { padding: 100px 0; }
.section-title { font-size: clamp(28px, 3.2vw, 42px); font-weight: 800; text-transform: uppercase; margin-bottom: 50px; }

.about { background: var(--surface); }
.about-wrap { display: grid; grid-template-columns: 1fr 0.9fr; gap: 70px; align-items: start; }
.about-panel h2 { font-size: clamp(26px, 3vw, 36px); margin-bottom: 20px; }
.about-panel p { color: var(--muted); margin-bottom: 18px; }
.about-values { display: grid; gap: 24px; }
.value { background: var(--bg); border-left: 4px solid var(--accent); padding: 26px 28px; border-radius: var(--radius); }
.value h3 { font-size: 18px; margin-bottom: 8px; color: var(--text); }
.value p { color: var(--muted); font-size: 14.5px; }

.services { background: var(--bg); }
.service-list { display: grid; gap: 0; border-top: 1px solid var(--border); }
.service-row { display: grid; grid-template-columns: 70px 1fr; gap: 28px; align-items: center; padding: 32px 0; border-bottom: 1px solid var(--border); transition: var(--transition); }
.service-row:hover { padding-left: 12px; }
.service-num { font-size: 18px; font-weight: 800; color: var(--accent); width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; border: 2px solid var(--accent); border-radius: 50%; }
.service-body h3 { font-size: 22px; margin-bottom: 6px; }
.service-body p { color: var(--muted); font-size: 15px; }

.projects { background: var(--surface); }
.project-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.project-card { background: var(--bg); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.project-card:hover { transform: translateY(-6px); }
.project-thumb { height: 160px; background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%); }
.project-card:nth-child(2) .project-thumb { background: linear-gradient(135deg, #44403c 0%, #78716c 100%); }
.project-card:nth-child(3) .project-thumb { background: linear-gradient(135deg, #0c4a6e 0%, #075985 100%); }
.project-card:nth-child(4) .project-thumb { background: linear-gradient(135deg, #14532d 0%, #166534 100%); }
.project-card h3 { font-size: 17px; padding: 20px 20px 4px; }
.project-card p { color: var(--muted); font-size: 14px; padding: 0 20px 20px; }

.contact { background: var(--bg); }
.contact-sub { color: var(--muted); margin-top: -36px; margin-bottom: 50px; font-size: 17px; }
.contact-card { display: grid; grid-template-columns: 0.8fr 1fr; gap: 50px; background: var(--surface); padding: 48px; border-radius: var(--radius); box-shadow: var(--shadow); }
.contact-detail h3 { font-size: 20px; margin-bottom: 18px; color: var(--accent); }
.contact-detail p { color: var(--muted); margin-bottom: 14px; line-height: 1.7; }
.contact-form label { display: block; margin-bottom: 18px; font-size: 14px; font-weight: 700; color: var(--text); }
.contact-form input, .contact-form textarea { width: 100%; margin-top: 6px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 6px; font-family: inherit; font-size: 15px; background: var(--bg); color: var(--text); }
.contact-form textarea { resize: vertical; }
.contact-form button { width: 100%; margin-top: 8px; }

footer { background: var(--surface); color: var(--muted); padding: 30px 0; text-align: center; font-size: 14px; border-top: 1px solid var(--border); }

@media (max-width: 980px) {
  .hero-inner, .about-wrap, .contact-card { grid-template-columns: 1fr; }
  .hero-image { min-height: 280px; }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav-menu { position: fixed; top: 80px; right: 0; bottom: 0; width: 70%; max-width: 300px; background: var(--surface); flex-direction: column; align-items: flex-start; gap: 0; padding: 24px; transform: translateX(100%); transition: var(--transition); border-left: 1px solid var(--border); }
  .nav-menu.open { transform: translateX(0); }
  .nav-menu li { width: 100%; }
  .nav-menu a { display: block; padding: 14px 0; }
  .nav-toggle { display: flex; }
  .hero-stats { gap: 24px; }
  .project-grid { grid-template-columns: 1fr; }
  section { padding: 70px 0; }
}