/* Basic reset and layout */
:root{
  --accent:#1e3a8a; /* professional deep blue */
  --accent-light:#3b82f6; /* lighter blue for hover */
  --dark: #1f2937;
  --muted:#6b7280;
  --light-bg: #f9fafb;
}
*{box-sizing:border-box}
html,body{height:100%}
body{font-family:'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; margin:0;color:var(--dark);line-height:1.6}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.site-header{background:#fff;box-shadow:0 1px 3px rgba(0,0,0,0.1);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.logo{font-weight:800;font-size:22px;color:var(--accent)}
.main-nav{display:flex;gap:32px;align-items:center}
.nav-link{color:var(--dark);text-decoration:none;font-size:15px;font-weight:500;transition:color 0.3s}
.nav-link:hover{color:var(--accent-light)}
.btn-contact-header{background:var(--accent);color:#fff;padding:8px 20px;border-radius:6px;transition:background 0.3s}
.btn-contact-header:hover{background:var(--accent-light)}
.search-homes{background:#fff;border:1px solid #ddd;padding:8px 12px;border-radius:20px;cursor:pointer}

/* Hero */
.hero{position:relative;height:600px;background-image:
  linear-gradient(135deg,rgba(0,0,0,0.45),rgba(0,0,0,0.35)),
  url('assets/building.jpg');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:#fff;display:flex;align-items:center}
.hero-overlay{width:100%;height:100%;display:flex;align-items:center;padding:60px 0}
.hero-inner{width:100%}
.hero-content{max-width:700px}
.hero-title{font-size:56px;margin:0 0 16px;font-weight:800;text-shadow:0 4px 12px rgba(0,0,0,0.5);line-height:1.2}
.hero-slogan{font-size:28px;color:rgba(255,255,255,0.95);font-weight:600;margin:0 0 16px;text-shadow:0 2px 8px rgba(0,0,0,0.4)}
.hero-subtitle{font-size:18px;color:rgba(255,255,255,0.9);margin:0 0 32px;text-shadow:0 2px 6px rgba(0,0,0,0.4)}
.btn-hero{display:inline-block;background:var(--accent-light);color:#fff;padding:14px 40px;border-radius:6px;text-decoration:none;font-weight:600;font-size:16px;transition:all 0.3s;box-shadow:0 4px 12px rgba(59,130,246,0.4)}
.btn-hero:hover{background:#2563eb;transform:translateY(-2px);box-shadow:0 6px 16px rgba(59,130,246,0.6)}
.search-form{display:flex;gap:12px;align-items:center}
.select-wrap select{padding:12px 14px;border-radius:4px;border:1px solid rgba(255,255,255,0.7);background:rgba(255,255,255,0.12);color:#fff}
.search-input{flex:1;padding:12px 14px;border-radius:4px;border:1px solid rgba(255,255,255,0.7);background:rgba(255,255,255,0.9);color:#222}
.btn-primary{background:var(--accent-light);color:#fff;border:none;padding:12px 20px;border-radius:6px;cursor:pointer;font-weight:600;transition:all 0.3s}
.btn-primary:hover{background:#2563eb;transform:translateY(-2px)}
.hero-caption{margin-top:12px;color:rgba(255,255,255,0.9);font-size:14px}


/* Award */
.award{padding:28px 20px}
.award-inner{display:flex;gap:16px;align-items:center}
.award-logo{background:var(--accent);color:#fff;font-weight:700;width:64px;height:64px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:20px}
.award h3{margin:0 0 6px}
.award p{margin:0;color:var(--muted)}

/* Contact form section */
.contact-section{padding:60px 20px}
.contact-form-wrapper{max-width:600px;margin:0 auto}
.contact-form-wrapper h2{font-size:28px;font-weight:700;margin:0 0 8px}
.contact-form-wrapper p{color:var(--muted);margin:0 0 28px}
.contact-form{display:flex;flex-direction:column;gap:20px}
.form-group{display:flex;flex-direction:column}
.form-group label{font-weight:600;margin-bottom:8px;color:var(--dark)}
.form-group input,.form-group textarea{padding:12px 14px;border:1px solid #ddd;border-radius:4px;font-size:14px;font-family:inherit}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,113,188,0.1)}
.form-group textarea{resize:vertical;min-height:120px}
.btn-submit{background:var(--accent);color:#fff;border:none;padding:14px 24px;border-radius:4px;font-size:16px;font-weight:600;cursor:pointer;margin-top:8px}
.btn-submit:hover{background:#005a9e}
.btn-submit:disabled{background:#999;cursor:not-allowed}
.form-status{margin-top:12px;padding:12px;border-radius:4px;font-size:14px;text-align:center;display:none}
.form-status.loading{display:block;background:#e3f2fd;color:#1976d2}
.form-status.success{display:block;background:#e8f5e9;color:#388e3c;border-left:4px solid #4caf50}
.form-status.error{display:block;background:#ffebee;color:#d32f2f;border-left:4px solid #f44336}

/* Gallery Section */
.gallery-section{padding:60px 20px}
.gallery-section h2{font-size:32px;font-weight:700;margin:0 0 8px;color:var(--dark)}
.gallery-intro{color:var(--muted);margin:0 0 40px;font-size:16px}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.gallery-item{cursor:pointer;transition:transform 0.3s,box-shadow 0.3s}
.gallery-item:hover{transform:translateY(-8px);box-shadow:0 8px 16px rgba(0,0,0,0.15)}
.gallery-thumb{width:100%;height:200px;object-fit:cover;border-radius:8px;display:block}
.gallery-caption{margin:12px 0 0;font-size:14px;font-weight:600;color:var(--dark);text-align:center}

/* Lightbox Modal */
.lightbox{display:none;position:fixed;z-index:9999;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,0.9);align-items:center;justify-content:center}
.lightbox-content{position:relative;max-width:90%;max-height:90vh;display:flex;flex-direction:column;align-items:center}
.lightbox-image{max-width:100%;max-height:70vh;object-fit:contain;border-radius:8px}
.lightbox-caption{color:#fff;margin-top:16px;font-size:18px;font-weight:600;text-align:center}
.lightbox-close{position:absolute;top:20px;right:40px;font-size:40px;font-weight:bold;color:#fff;cursor:pointer;z-index:10000}
.lightbox-close:hover{color:#ccc}

/* Project Detail Page */
.project-section{padding:60px 20px}
.project-header{margin-bottom:48px}
.project-header h1{font-size:32px;font-weight:700;margin:0 0 16px;color:var(--dark)}
.project-description{font-size:16px;color:var(--muted);line-height:1.6;max-width:800px}
.project-gallery{margin-bottom:48px}
.project-gallery h2{font-size:24px;font-weight:700;margin:0 0 24px;color:var(--dark)}
.project-images{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.project-image-item{display:flex;flex-direction:column}
.project-image{width:100%;height:300px;object-fit:cover;border-radius:8px;cursor:pointer;transition:transform 0.3s}
.project-image:hover{transform:scale(1.05)}
.image-caption{margin-top:12px;font-size:14px;color:var(--dark);font-weight:600}
.project-details{margin-bottom:48px;padding:32px;background:#f5f5f5;border-radius:8px}
.project-details h2{font-size:24px;font-weight:700;margin:0 0 24px;color:var(--dark)}
.details-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}
.detail-item h3{font-size:14px;font-weight:600;color:var(--accent);margin:0 0 8px;text-transform:uppercase;letter-spacing:0.5px}
.detail-item p{margin:0;color:var(--dark);font-size:16px}
.project-features{margin-bottom:48px}
.project-features h2{font-size:24px;font-weight:700;margin:0 0 24px;color:var(--dark)}
.features-list{list-style:none;padding:0;margin:0}
.features-list li{padding:12px 0;padding-left:28px;position:relative;color:var(--muted);line-height:1.6;font-size:15px}
.features-list li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:bold}
.project-cta{text-align:center;padding:40px;background:var(--accent);border-radius:8px;color:#fff}
.project-cta h2{margin:0 0 12px;color:#fff}
.project-cta p{margin:0 0 20px;color:rgba(255,255,255,0.95)}
.btn-project-contact{display:inline-block;background:#fff;color:var(--accent);padding:12px 32px;border-radius:4px;text-decoration:none;font-weight:600;transition:background 0.3s}
.btn-project-contact:hover{background:#f0f0f0}
.image-modal{display:none;position:fixed;z-index:9999;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,0.95);align-items:center;justify-content:center}
.modal-content{position:relative;max-width:90%;max-height:90vh;display:flex;align-items:center;justify-content:center}
.modal-image{max-width:100%;max-height:85vh;object-fit:contain;border-radius:8px}
.modal-close{position:absolute;top:20px;right:40px;font-size:40px;font-weight:bold;color:#fff;cursor:pointer;z-index:10000}
.modal-close:hover{color:#ccc}

/* Footer */
.site-footer{padding:24px 0;text-align:center;color:var(--muted)}

/* About Us Page */
.about-section{padding:60px 20px}
.about-intro{margin-bottom:48px}
.about-intro h1{font-size:32px;font-weight:700;margin:0 0 16px;color:var(--dark)}
.about-description{font-size:16px;color:var(--muted);line-height:1.8;max-width:900px}
.about-content{display:flex;gap:48px;align-items:flex-start;margin-bottom:48px}
.about-text{flex:1;min-width:0}
.about-image{flex:0 0 350px}
.founder-image{width:100%;height:auto;border-radius:8px;object-fit:cover}
.about-mission,.about-values,.about-expertise{margin-bottom:32px}
.about-mission h2,.about-values h2,.about-expertise h2{font-size:20px;font-weight:700;margin:0 0 12px;color:var(--dark)}
.about-mission p,.about-values p,.about-expertise p{margin:0;color:var(--muted);line-height:1.8;font-size:15px}
.about-cta{text-align:center;padding:40px;background:var(--accent);border-radius:8px;color:#fff}
.about-cta h2{margin:0 0 12px;color:#fff}
.about-cta p{margin:0 0 20px;color:rgba(255,255,255,0.95)}

/* Why Choose Section */
.why-choose{padding:80px 20px;background:linear-gradient(135deg,var(--light-bg) 0%,#fff 100%)}
.why-choose h2{font-size:40px;font-weight:800;margin:0 0 60px;text-align:center;color:var(--dark)}
.benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px}
.benefit-card{background:#fff;padding:40px;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.08);transition:all 0.3s;border-left:4px solid transparent}
.benefit-card:hover{transform:translateY(-8px);box-shadow:0 12px 28px rgba(0,0,0,0.15);border-left-color:var(--accent-light)}
.benefit-card h3{font-size:20px;font-weight:700;margin:0 0 12px;color:var(--dark)}
.benefit-card p{margin:0;color:var(--muted);line-height:1.7;font-size:15px}

/* Logo link */
.logo-link{text-decoration:none;color:inherit}

/* Hero with background image */
.hero-with-image{background-size:cover;background-position:center;background-repeat:no-repeat}

/* Contact form email link */
.contact-email-intro{font-size:16px;color:var(--muted);margin:24px 0}
.contact-email-intro a{color:var(--accent);text-decoration:none}
.contact-email-intro a:hover{text-decoration:underline}

/* Responsive */
@media (max-width:800px){
  .hero{height:520px}
  .hero-title{font-size:34px}
  .hero-slogan{font-size:22px}
  .main-nav{display:none}
  .search-form{flex-direction:column;align-items:stretch}
  .search-input{width:100%}
  .about-content{flex-direction:column;gap:24px}
  .about-image{flex:0 0 auto;max-width:300px}
}