/* ============================================
   EBW Build - Construction & Assembly
   Color Scheme: Dark Sky Blue + Orange on Navy
   Unique accent (#0369a1) - not used in any
   previous deployed site.
   ============================================ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: #0b0f16;
  color: #e2e8f0;
  line-height: 1.7;
  overflow-x: hidden;
}

:root {
  --bg: #0b0f16;
  --bg-alt: #0f1420;
  --bg-card: #111827;
  --bg-card-hover: #1a2235;
  --accent: #0369a1;        /* Dark sky blue - UNIQUE to this site */
  --accent-light: #0ea5e9;
  --accent-glow: rgba(3, 105, 161, 0.2);
  --orange: #ea580c;         /* Vibrant orange - construction energy */
  --orange-light: #f97316;
  --orange-glow: rgba(234, 88, 12, 0.2);
  --text: #e2e8f0;
  --text-muted: #64748b;
  --text-dim: #475569;
  --border: #1e293b;
  --border-light: #334155;
  --gradient-1: linear-gradient(135deg, #0369a1, #ea580c);
  --gradient-2: linear-gradient(135deg, #0ea5e9, #f97316);
}

a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.2; }
p { margin-bottom: 1rem; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(11, 15, 22, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(30, 41, 59, 0.5);
  transition: all 0.3s ease;
}
.navbar.scrolled { background: rgba(11, 15, 22, 0.95); border-bottom-color: var(--border); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 8px; font-size: 1.4rem; font-weight: 700; letter-spacing: -0.5px; }
.logo-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--gradient-1); border-radius: 8px;
  font-size: 1.1rem; color: #fff;
}
.logo-text { color: #f1f5f9; }
.logo-text .accent { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link { padding: 8px 16px; border-radius: 8px; font-size: 0.9rem; font-weight: 500; color: var(--text-muted); transition: all 0.2s ease; }
.nav-link:hover, .nav-link.active { color: #fff; background: rgba(3, 105, 161, 0.1); }
.nav-link.active { color: var(--accent-light); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.3s ease; }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 15% 40%, rgba(3, 105, 161, 0.1) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 60%, rgba(234, 88, 12, 0.06) 0%, transparent 60%);
  pointer-events: none;
}
.hero-container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-badge {
  display: inline-block; padding: 6px 16px;
  border: 1px solid var(--orange); border-radius: 100px;
  font-size: 0.8rem; font-weight: 500; color: var(--orange-light);
  margin-bottom: 20px; letter-spacing: 1px; text-transform: uppercase;
}
.hero-title { font-size: 3.2rem; font-weight: 800; line-height: 1.1; margin-bottom: 20px; letter-spacing: -1px; }
.accent-text { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 32px; max-width: 540px; line-height: 1.8; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.blueprint {
  position: relative; width: 320px; height: 300px;
  background: rgba(3, 105, 161, 0.03);
  border: 2px solid rgba(3, 105, 161, 0.15);
  border-radius: 4px;
}
.blueprint-line { position: absolute; background: rgba(3, 105, 161, 0.2); }
.blueprint-line.hl { width: 100%; height: 1px; top: 50%; }
.blueprint-line.vl { height: 100%; width: 1px; left: 50%; }
.blueprint-line.hl2 { width: 60%; height: 1px; top: 30%; left: 20%; }
.blueprint-line.vl2 { height: 60%; width: 1px; left: 70%; top: 20%; }
.blueprint-shape { position: absolute; border: 2px solid rgba(234, 88, 12, 0.4); }
.blueprint-shape.rec { width: 100px; height: 80px; top: 60px; left: 40px; }
.blueprint-shape.tri {
  width: 0; height: 0;
  border-left: 50px solid transparent; border-right: 50px solid transparent;
  border-bottom: 70px solid rgba(3, 105, 161, 0.2);
  top: 160px; right: 50px;
}
.blueprint-shape.cir {
  width: 50px; height: 50px; border-radius: 50%;
  bottom: 30px; left: 50px;
}
.blueprint-label {
  position: absolute; bottom: 12px; right: 16px;
  font-size: 0.75rem; color: var(--text-dim); letter-spacing: 1px; text-transform: uppercase;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: 10px;
  font-size: 0.95rem; font-weight: 600;
  transition: all 0.3s ease; cursor: pointer; border: none;
}
.btn-primary { background: var(--gradient-1); color: #fff; box-shadow: 0 4px 20px var(--accent-glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 28px var(--accent-glow); }
.btn-outline { background: transparent; color: var(--text); border: 1.5px solid var(--border-light); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent-light); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-full { width: 100%; }

.trust-bar { padding: 20px 0; background: rgba(3, 105, 161, 0.04); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trust-container { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 0.9rem; font-weight: 500; }
.trust-icon { color: var(--orange-light); font-size: 1.2rem; }

.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; max-width: 640px; margin-left: auto; margin-right: auto; }
.section-label {
  display: inline-block; padding: 4px 14px;
  background: rgba(3, 105, 161, 0.1);
  border: 1px solid rgba(3, 105, 161, 0.2);
  border-radius: 100px;
  font-size: 0.75rem; font-weight: 600; color: var(--accent-light);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px;
}
.section-title {
  font-size: 2.4rem; font-weight: 700; margin-bottom: 16px;
  background: linear-gradient(135deg, #f1f5f9, #94a3b8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-desc { color: var(--text-muted); font-size: 1.05rem; line-height: 1.7; }

.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 32px;
  transition: all 0.4s ease;
  opacity: 0; transform: translateY(30px);
}
.service-card.visible { opacity: 1; transform: translateY(0); }
.service-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(3, 105, 161, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(3, 105, 161, 0.08);
}
.service-icon { width: 52px; height: 52px; margin-bottom: 20px; color: var(--accent-light); }
.service-icon svg { width: 100%; height: 100%; }
.service-title { font-size: 1.2rem; margin-bottom: 12px; }
.service-desc { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }

.stats-section {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(3, 105, 161, 0.04), rgba(234, 88, 12, 0.04));
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; }
.stat-number { font-size: 3rem; font-weight: 800; background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-plus, .stat-percent { font-size: 1.8rem; font-weight: 700; background: var(--gradient-2); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { display: block; color: var(--text-muted); font-size: 0.9rem; margin-top: 8px; }

.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; transition: all 0.4s ease; }
.project-card:hover { transform: translateY(-4px); border-color: rgba(234, 88, 12, 0.3); box-shadow: 0 12px 40px var(--orange-glow); }
.project-visual { height: 160px; display: flex; align-items: center; justify-content: center; }
.project-visual-icon { font-size: 3rem; opacity: 0.4; }
.project-info { padding: 24px; }
.project-tag { display: inline-block; padding: 3px 10px; background: rgba(3, 105, 161, 0.1); border-radius: 6px; font-size: 0.7rem; color: var(--accent-light); font-weight: 500; margin-bottom: 10px; }
.project-info h3 { font-size: 1.15rem; margin-bottom: 8px; }
.project-info p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.6; }

.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.about-text p { color: var(--text-muted); margin-bottom: 1.2rem; }
.about-details { margin-top: 24px; display: flex; flex-direction: column; gap: 10px; }
.detail-item { padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; color: var(--text-muted); }
.detail-item strong { color: var(--text); display: inline-block; min-width: 140px; }
.about-values { display: flex; flex-direction: column; gap: 16px; }
.value-card {
  padding: 20px; background: var(--bg-card);
  border: 1px solid var(--border); border-left: 3px solid var(--orange);
  border-radius: 12px; transition: all 0.3s ease;
}
.value-card:hover { border-left-color: var(--accent); background: var(--bg-card-hover); }
.value-num { font-size: 0.85rem; font-weight: 700; color: var(--orange-light); margin-bottom: 4px; }
.value-card p { color: var(--text-muted); font-size: 0.85rem; margin: 0; }

.contact-section { background: var(--bg-alt); }
.contact-wrapper { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 60px; max-width: 900px; margin: 0 auto; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; padding: 18px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; }
.contact-icon { width: 44px; height: 44px; flex-shrink: 0; background: rgba(3, 105, 161, 0.1); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--accent-light); }
.contact-icon svg { width: 20px; height: 20px; }
.contact-item strong { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 2px; }
.contact-item a, .contact-item span { color: var(--text); font-size: 0.9rem; transition: color 0.2s; }
.contact-item a:hover { color: var(--orange-light); }
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-input { width: 100%; padding: 14px 18px; background: var(--bg-card); border: 1.5px solid var(--border); border-radius: 10px; color: var(--text); font-size: 0.95rem; outline: none; transition: all 0.3s ease; }
.form-input::placeholder { color: var(--text-dim); }
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form-textarea { resize: vertical; min-height: 100px; }

.cta-section { padding: 80px 0; background: linear-gradient(135deg, rgba(3, 105, 161, 0.06), rgba(234, 88, 12, 0.06)); text-align: center; }
.cta-title { font-size: 2rem; font-weight: 700; margin-bottom: 12px; background: linear-gradient(135deg, #f1f5f9, #94a3b8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.cta-desc { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 28px; }

.footer { padding: 60px 0 30px; border-top: 1px solid var(--border); background: var(--bg-alt); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-desc { color: var(--text-muted); font-size: 0.9rem; margin-top: 16px; max-width: 360px; }
.footer-links h4 { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.footer-links a { display: block; color: var(--text); font-size: 0.9rem; padding: 4px 0; transition: color 0.2s; }
.footer-links a:hover { color: var(--orange-light); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; text-align: center; color: var(--text-dim); font-size: 0.85rem; }

.page-header { padding: 140px 0 60px; text-align: center; background: linear-gradient(180deg, rgba(3, 105, 161, 0.04), transparent); }
.page-title { font-size: 2.8rem; font-weight: 800; margin-bottom: 16px; letter-spacing: -1px; background: linear-gradient(135deg, #f1f5f9, #94a3b8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.page-subtitle { color: var(--text-muted); font-size: 1.1rem; max-width: 560px; margin: 0 auto; line-height: 1.7; }

.services-detailed { display: flex; flex-direction: column; gap: 20px; }
.service-detailed-card { display: grid; grid-template-columns: 70px 1fr; gap: 24px; padding: 28px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; transition: all 0.3s ease; }
.service-detailed-card:hover { border-color: rgba(234, 88, 12, 0.3); box-shadow: 0 8px 30px var(--orange-glow); }
.service-detailed-icon { width: 56px; color: var(--accent-light); }
.service-detailed-icon svg { width: 100%; height: 100%; }
.service-detailed-body h3 { font-size: 1.2rem; margin-bottom: 10px; }
.service-detailed-body p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; margin: 0; }

.about-full { max-width: 800px; margin: 0 auto; }
.about-full-text h2 { font-size: 1.6rem; margin: 32px 0 16px; color: var(--text); }
.about-full-text h2:first-child { margin-top: 0; }
.about-full-text p { color: var(--text-muted); line-height: 1.8; font-size: 0.95rem; }
.about-list { list-style: none; }
.about-list li { padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; color: var(--text-muted); }
.about-list li strong { color: var(--text); min-width: 150px; display: inline-block; }
.about-list li a { color: var(--accent-light); }
.about-list li a:hover { text-decoration: underline; }
.policy-content { max-width: 800px; margin: 0 auto; }
.policy-content h2 { font-size: 1.4rem; margin: 36px 0 14px; color: var(--text); }
.policy-content h2:first-of-type { margin-top: 0; }
.policy-content p { color: var(--text-muted); line-height: 1.8; font-size: 0.95rem; margin-bottom: 1rem; }
.policy-content ul { margin: 0 0 1.5rem 1.5rem; }
.policy-content li { color: var(--text-muted); font-size: 0.95rem; line-height: 1.8; margin-bottom: 4px; }
.policy-content li strong { color: var(--text); }

@media (max-width: 992px) {
  .hero-container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { display: none; }
  .services-grid, .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .about-content { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .hero-title { font-size: 2.4rem; }
  .section-title { font-size: 2rem; }
  .page-title { font-size: 2.2rem; }
  .trust-container { gap: 24px; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0;
    background: rgba(11, 15, 22, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column; padding: 20px; gap: 4px;
    transform: translateY(-120%); opacity: 0;
    transition: all 0.3s ease; pointer-events: none;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-link { width: 100%; padding: 14px 16px; font-size: 1rem; }
  .hamburger { display: flex; }
  .services-grid, .projects-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2rem; }
  .section-title { font-size: 1.6rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-number { font-size: 2.2rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-title { font-size: 1.8rem; }
  .service-detailed-card { grid-template-columns: 1fr; }
  .service-detailed-icon { width: 48px; }
  .trust-container { flex-direction: column; align-items: center; }
}