/* === OMSI ENTERPRISES — Plumbing Website === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue-900:#0c2d5e;--blue-700:#1a4a8a;--blue-500:#2563eb;--blue-400:#3b82f6;
  --blue-100:#dbeafe;--blue-50:#eff6ff;
  --orange:#f59e0b;--orange-dark:#d97706;
  --white:#ffffff;--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;
  --gray-600:#475569;--gray-800:#1e293b;--gray-900:#0f172a;
  --radius:10px;--shadow:0 4px 24px rgba(0,0,0,0.08);
}
html{scroll-behavior:smooth}
body{font-family:'Open Sans',sans-serif;color:var(--gray-800);line-height:1.7;background:var(--white)}
h1,h2,h3,h4{font-family:'Montserrat',sans-serif;color:var(--blue-900);line-height:1.2}
h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800}
h2{font-size:clamp(1.5rem,3.5vw,2.2rem);font-weight:700;margin-bottom:1rem}
h3{font-size:1.2rem;font-weight:700;margin-bottom:.5rem}
a{color:var(--blue-500);text-decoration:none;transition:color .2s}
a:hover{color:var(--blue-700)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}
.text-center{text-align:center}

/* Buttons */
.btn{display:inline-block;padding:.85rem 2rem;border-radius:50px;font-family:'Montserrat',sans-serif;font-weight:700;font-size:.95rem;cursor:pointer;transition:all .3s;border:none;text-align:center}
.btn-cta{background:var(--orange);color:var(--gray-900);box-shadow:0 4px 14px rgba(245,158,11,.35)}
.btn-cta:hover{background:var(--orange-dark);color:var(--white);transform:translateY(-2px);box-shadow:0 6px 20px rgba(245,158,11,.45)}
.btn-outline{background:transparent;border:2px solid var(--white);color:var(--white)}
.btn-outline:hover{background:var(--white);color:var(--blue-900)}
.btn-lg{padding:1rem 2.5rem;font-size:1.05rem}

/* Top Bar */
.top-bar{background:var(--blue-900);color:var(--blue-100);font-size:.85rem;padding:.5rem 0}
.top-bar-inner{display:flex;justify-content:center;gap:2rem;flex-wrap:wrap}
.top-bar a{color:var(--blue-100)}
.top-bar a:hover{color:var(--orange)}
.top-phone{font-weight:700}

/* Nav */
.main-nav{background:var(--white);box-shadow:0 2px 12px rgba(0,0,0,.06);position:sticky;top:0;z-index:100}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.5rem}
.logo{display:flex;align-items:center;gap:.6rem;font-family:'Montserrat',sans-serif;font-weight:800;font-size:1.2rem;color:var(--blue-900)}
.logo img{border-radius:8px}
.nav-links{display:flex;gap:.2rem}
.nav-links a{padding:.5rem 1rem;border-radius:8px;font-weight:600;font-size:.9rem;color:var(--gray-800);transition:all .2s}
.nav-links a:hover,.nav-links a.active{background:var(--blue-50);color:var(--blue-500)}
.mobile-toggle{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--blue-900)}
.nav-cta{display:none}

/* Hero */
.hero{position:relative;min-height:520px;display:flex;align-items:center;background:url('../images/hero.jpg') center/cover no-repeat;color:var(--white)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(12,45,94,.85),rgba(37,99,235,.65))}
.hero-content{position:relative;z-index:2;max-width:650px}
.hero-content h1{color:var(--white);margin-bottom:1rem}
.hero-content p{font-size:1.2rem;margin-bottom:2rem;opacity:.95}
.hero-btns{display:flex;gap:1rem;flex-wrap:wrap}

/* Page Hero */
.page-hero{background:linear-gradient(135deg,var(--blue-900),var(--blue-500));color:var(--white);padding:4rem 0 3rem;text-align:center}
.page-hero h1{color:var(--white);margin-bottom:.5rem}
.page-hero p{opacity:.9;font-size:1.1rem}

/* Section */
.section{padding:5rem 0}
.section-sub{color:var(--gray-600);font-size:1.1rem;margin-bottom:3rem}
.section-dark{background:var(--gray-50)}

/* Services Grid */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem}
.service-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.service-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(0,0,0,.12)}
.service-card img{width:100%;height:220px;object-fit:cover}
.service-card h3,.service-card p{padding:0 1.5rem}
.service-card h3{padding-top:1.2rem}
.service-card p{padding-bottom:1.5rem;color:var(--gray-600);font-size:.95rem}

/* Features */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2rem;margin-top:2rem}
.feature{background:var(--white);padding:2rem;border-radius:var(--radius);box-shadow:var(--shadow);text-align:center}
.feature-icon{font-size:2.5rem;margin-bottom:1rem}
.feature p{color:var(--gray-600);font-size:.95rem}

/* CTA Section */
.cta-section{background:linear-gradient(135deg,var(--blue-900),var(--blue-500));color:var(--white);text-align:center}
.cta-section h2{color:var(--white)}
.cta-section p{color:var(--blue-100);font-size:1.1rem;margin-bottom:2rem}

/* About Layout */
.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.about-img img{border-radius:var(--radius);box-shadow:var(--shadow)}
.about-text ul{margin:1rem 0 1.5rem 1.2rem}
.about-text li{margin-bottom:.5rem}

/* Service Detail */
.service-detail{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;margin-bottom:4rem}
.service-detail.reverse{direction:rtl}
.service-detail.reverse>*{direction:ltr}
.service-detail img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:300px;object-fit:cover}
.service-detail p{color:var(--gray-600);margin-bottom:1.5rem}

/* Areas */
.areas-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}
.area-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:1.5rem;transition:all .3s}
.area-card:hover{border-color:var(--blue-400);box-shadow:var(--shadow);transform:translateY(-3px)}
.area-card h3{color:var(--blue-700);font-size:1rem}
.area-card p{color:var(--gray-600);font-size:.9rem;margin-bottom:.75rem}
.area-card a{font-weight:600;font-size:.9rem}

/* Testimonials */
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:2rem}
.testimonial-card{background:var(--blue-50);border-radius:var(--radius);padding:2rem;border-left:4px solid var(--blue-500)}
.testimonial-card .stars{color:var(--orange);font-size:1.2rem;margin-bottom:.75rem}
.testimonial-card p{font-style:italic;color:var(--gray-800);margin-bottom:1rem}
.testimonial-card strong{color:var(--blue-700);font-size:.9rem}

/* FAQ */
.faq-container{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--gray-200);margin-bottom:.5rem}
.faq-q{width:100%;background:none;border:none;text-align:left;padding:1.2rem 0;font-family:'Montserrat',sans-serif;font-weight:700;font-size:1.05rem;color:var(--blue-900);cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-q::after{content:'+';font-size:1.5rem;transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.open .faq-a{max-height:300px}
.faq-a p{padding-bottom:1.2rem;color:var(--gray-600)}

/* Contact */
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:3rem}
.contact-form{display:flex;flex-direction:column;gap:1rem}
.contact-form input,.contact-form select,.contact-form textarea{padding:.9rem 1.2rem;border:1px solid var(--gray-200);border-radius:var(--radius);font-family:'Open Sans',sans-serif;font-size:1rem;transition:border-color .2s}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:var(--blue-400);box-shadow:0 0 0 3px rgba(59,130,246,.15)}
.contact-info-side{display:flex;flex-direction:column;gap:1.5rem}
.contact-info-item strong{display:block;color:var(--blue-900);margin-bottom:.3rem}
.contact-info-item a,.contact-info-item p{color:var(--gray-600)}

/* Legal */
.legal-content{max-width:800px;margin:0 auto}
.legal-content h2{margin-top:2rem}
.legal-content p{color:var(--gray-600);margin-bottom:1rem}

/* Footer */
.site-footer{background:var(--gray-900);color:var(--gray-200);padding:4rem 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem}
.footer-col h4{color:var(--white);margin-bottom:1rem;font-family:'Montserrat',sans-serif}
.footer-col a{display:block;color:var(--gray-200);margin-bottom:.5rem;font-size:.9rem}
.footer-col a:hover{color:var(--orange)}
.footer-col p{font-size:.9rem;color:var(--gray-200)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:3rem;padding:1.5rem 0;text-align:center;font-size:.85rem}

/* Mobile */
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--white);flex-direction:column;padding:1rem;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .mobile-toggle{display:block}
  .nav-cta{display:inline-block;margin-top:.5rem}
  .about-layout,.service-detail,.service-detail.reverse,.contact-layout{grid-template-columns:1fr}
  .service-detail.reverse{direction:ltr}
  .hero{min-height:420px}
  .hero-content h1{font-size:1.8rem}
  .top-bar-inner{font-size:.75rem;gap:1rem}
}
@media(max-width:480px){
  .services-grid,.features-grid,.testimonials-grid{grid-template-columns:1fr}
  .areas-grid{grid-template-columns:1fr 1fr}
}