:root {
  --primary: #c62828;
  --primary-dark: #961f1f;
  --accent: #ff6f00;
  --dark: #1a1a1a;
  --gray-dark: #333;
  --gray: #666;
  --gray-light: #e0e0e0;
  --bg: #fff;
  --bg-alt: #f5f5f5;
  --max-width: 1140px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Open Sans", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray);
  background: var(--bg);
}

h1, h2, h3, h4 { font-family: "Montserrat", Arial, sans-serif; color: var(--dark); line-height: 1.2; }
h1 { font-size: 42px; font-weight: 800; }
h2 { font-size: 32px; font-weight: 700; }
h3 { font-size: 22px; font-weight: 700; }
h4 { font-size: 18px; font-weight: 600; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* HEADER */
.header { background: var(--dark); padding: 14px 0; position: sticky; top: 0; z-index: 1000; }
.header .container { display: flex; align-items: center; justify-content: space-between; }
.logo img { max-height: 50px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav > a, .nav-dropdown > a {
  color: rgba(255,255,255,0.85);
  font-family: "Montserrat", sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  transition: color 0.3s;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.nav > a:hover, .nav-dropdown:hover > a { color: #fff; }
.nav-dropdown { position: relative; }
.nav-dropdown .dropdown-menu {
  display: none; position: absolute; top: 100%; left: 0;
  background: #fff; min-width: 200px; box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  border-radius: 4px; padding: 8px 0; z-index: 100;
}
.nav-dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a { display: block; padding: 10px 20px; color: var(--dark); font-size: 14px; font-weight: 500; }
.dropdown-menu a:hover { color: var(--primary); background: var(--bg-alt); }
.nav-arrow { font-size: 10px; margin-left: 4px; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: "Montserrat", sans-serif; font-size: 14px; font-weight: 700;
  letter-spacing: 0.5px; text-transform: uppercase;
  padding: 14px 28px; border-radius: 4px; border: 2px solid;
  transition: all 0.3s; cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-outline { background: transparent; color: var(--dark); border-color: var(--dark); }
.btn-outline:hover { background: var(--dark); color: #fff; }
.btn-sm { padding: 10px 20px; font-size: 13px; }
.btn-lg { padding: 18px 36px; font-size: 16px; }
.btn-full { width: 100%; justify-content: center; }

/* MOBILE TOGGLE */
.mobile-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 5px; }
.mobile-toggle span { display: block; width: 25px; height: 2px; background: rgba(255,255,255,0.85); transition: 0.3s; }

/* HERO */
.hero { padding: 80px 0 60px; background: linear-gradient(135deg, var(--dark) 0%, #2a2a2a 100%); }
.hero .container { display: flex; align-items: center; gap: 60px; }
.hero-content { flex: 1; }
.hero-content h1 { color: #fff; font-size: 48px; margin-bottom: 20px; }
.hero-content p { color: rgba(255,255,255,0.8); font-size: 18px; margin-bottom: 32px; line-height: 1.7; }
.hero-buttons { display: flex; gap: 16px; }
.hero-buttons .btn-outline { color: #fff; border-color: #fff; }
.hero-buttons .btn-outline:hover { background: rgba(255,255,255,0.1); }
.hero-image { flex: 0 0 45%; }
.hero-image img { border-radius: 8px; }

/* SECTION TITLES */
.section-title { text-align: center; margin-bottom: 12px; }
.section-subtitle { text-align: center; margin-bottom: 48px; font-size: 18px; }

/* SERVICES OVERVIEW */
.services-overview { padding: 80px 0; background: var(--bg-alt); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
  display: block; background: #fff; border-radius: 8px; overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s; text-align: center;
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(0,0,0,0.1); }
.service-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.service-card h3 { padding: 20px 16px 8px; }
.service-card p { padding: 0 16px 24px; font-size: 14px; }

/* ABOUT PREVIEW */
.about-preview { padding: 80px 0; }
.about-row { display: flex; align-items: center; gap: 60px; margin-bottom: 40px; }
.about-image { flex: 0 0 40%; }
.about-image img { border-radius: 8px; }
.about-text { flex: 1; }
.about-text h2 { margin-bottom: 20px; }
.about-text p { margin-bottom: 16px; }

/* CTA BANNER */
.cta-banner {
  padding: 80px 0; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  text-align: center;
}
.cta-banner h2 { color: #fff; margin-bottom: 16px; }
.cta-banner p { color: rgba(255,255,255,0.9); font-size: 18px; margin-bottom: 32px; }
.cta-banner .btn-primary { background: #fff; color: var(--primary); border-color: #fff; }
.cta-banner .btn-primary:hover { background: rgba(255,255,255,0.9); }

/* FOOTER */
.footer { background: var(--dark); padding: 60px 0 30px; color: rgba(255,255,255,0.7); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-col h4 { color: #fff; margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(255,255,255,0.7); padding: 4px 0; transition: color 0.3s; font-size: 14px; }
.footer-col a:hover { color: var(--primary); }
.footer-col p { font-size: 14px; line-height: 1.6; }
.footer-logo { max-width: 160px; margin-bottom: 16px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; }
.footer-bottom p { font-size: 14px; }
.social-link { color: var(--primary) !important; font-weight: 600; }

/* INNER HERO */
.inner-hero {
  padding: 80px 0 60px;
  background: linear-gradient(135deg, var(--dark) 0%, #2a2a2a 100%);
  text-align: center;
}
.inner-hero h1 { color: #fff; margin-bottom: 16px; }
.inner-hero p { color: rgba(255,255,255,0.8); font-size: 18px; max-width: 600px; margin: 0 auto; }

/* INNER CONTENT */
.inner-content { padding: 60px 0; }
.inner-content .container { max-width: 900px; }
.inner-content h2 { margin: 40px 0 16px; }
.inner-content p { margin-bottom: 16px; }
.inner-content ul { margin: 0 0 24px 24px; }
.inner-content li { margin-bottom: 8px; }
.content-hero-img { border-radius: 12px; margin: 0 0 40px; width: 100%; max-height: 400px; object-fit: cover; }

/* BENEFITS GRID */
.benefits-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 30px 0; }
.benefit-card {
  background: var(--bg-alt); border-radius: 8px; padding: 24px;
  border-left: 4px solid var(--primary);
}
.benefit-card h3 { margin-bottom: 8px; font-size: 18px; }
.benefit-card p { font-size: 14px; margin: 0; }

/* CTA INLINE */
.cta-inline {
  background: var(--bg-alt); border-radius: 12px; padding: 40px; text-align: center; margin: 40px 0;
}
.cta-inline h3 { margin-bottom: 20px; }

/* SERVICES GRID INNER */
.services-grid-inner { display: flex; flex-direction: column; gap: 40px; }
.service-card-full { display: flex; gap: 40px; align-items: center; }
.service-card-full.reverse { flex-direction: row-reverse; }
.service-card-full img { flex: 0 0 45%; border-radius: 12px; max-height: 300px; object-fit: cover; }
.service-info { flex: 1; }
.service-info h2 { margin-bottom: 16px; }
.service-info p { margin-bottom: 20px; }

/* GALLERY */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery-item { border-radius: 8px; overflow: hidden; aspect-ratio: 4/3; background: var(--bg-alt); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.gallery-item:hover img { transform: scale(1.05); }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 40px; }
.contact-info h2 { margin-bottom: 16px; }
.contact-card { background: var(--bg-alt); border-radius: 8px; padding: 24px; margin: 20px 0; }
.contact-card h3 { margin-bottom: 8px; color: var(--primary); }
.social-link-btn { display: inline-block; background: var(--primary); color: #fff !important; padding: 10px 24px; border-radius: 4px; font-weight: 600; margin-top: 8px; }
.social-link-btn:hover { background: var(--primary-dark); }
.contact-form { background: var(--bg-alt); border-radius: 12px; padding: 32px; }
.contact-form h2 { margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--dark); font-size: 14px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; border: 1px solid var(--gray-light);
  border-radius: 4px; font-family: "Open Sans", sans-serif; font-size: 15px;
  transition: border-color 0.3s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--primary);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* QUOTE FORM */
.quote-form-wrapper { max-width: 700px; margin: 0 auto; background: var(--bg-alt); border-radius: 12px; padding: 40px; }

/* SCROLL TOP */
.scroll-top {
  position: fixed; bottom: 30px; right: 30px; width: 44px; height: 44px;
  background: var(--primary); color: #fff; border: none; border-radius: 4px;
  font-size: 18px; cursor: pointer; opacity: 0; transition: opacity 0.3s; z-index: 999;
  display: flex; align-items: center; justify-content: center;
}
.scroll-top.visible { opacity: 1; }

/* RESPONSIVE */
@media (max-width: 768px) {
  h1 { font-size: 28px; }
  h2 { font-size: 24px; }
  .hero-content h1 { font-size: 32px; }
  .nav { display: none; }
  .mobile-toggle { display: flex; }
  .nav.open {
    display: flex; flex-direction: column; position: absolute;
    top: 100%; left: 0; right: 0; background: var(--dark);
    padding: 20px; z-index: 100;
  }
  .nav.open .nav-dropdown .dropdown-menu {
    position: static; display: block; box-shadow: none;
    background: rgba(255,255,255,0.05); padding-left: 20px;
  }
  .hero .container { flex-direction: column; gap: 30px; }
  .hero-image { flex: none; width: 100%; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .about-row { flex-direction: column; gap: 30px; }
  .about-image { flex: none; width: 100%; }
  .service-card-full, .service-card-full.reverse { flex-direction: column; }
  .service-card-full img { flex: none; width: 100%; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-buttons { flex-direction: column; }
}