:root {
  --primary: #0A2540;
  --primary-light: #183b63;
  --secondary: #134074;
  --accent: #00A6FB;
  --accent-hover: #008ad6;
  --bg-color: #FFFFFF;
  --bg-light: #F8FAFC;
  --text-color: #1F2937;
  --text-muted: #6B7280;
  --white: #FFFFFF;
  --border: #E5E7EB;
  
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --transition: all 0.3s ease;
  --header-height: 80px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-large: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.6;
  overflow-x: hidden;
  font-size: 16px;
}

h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--primary); font-weight: 700; line-height: 1.3; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.bg-light { background-color: var(--bg-light); }
.text-center { text-align: center; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 100px 0; }

/* Navbar */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; height: var(--header-height);
  background: var(--white); box-shadow: var(--shadow-sm); z-index: 1000;
  display: flex; align-items: center; transition: var(--transition);
}
.navbar.scrolled { height: 70px; box-shadow: var(--shadow-md); background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); }
.nav-container { display: flex; justify-content: space-between; align-items: center; width: 100%; }

.logo { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 800; color: var(--primary); }
.logo .fw-light { font-weight: 400; color: var(--text-muted); font-size: 1.1rem; }

.nav-links { display: flex; gap: 32px; }
.nav-links a { font-weight: 500; font-size: 0.95rem; color: var(--text-color); position: relative; padding: 5px 0; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
  background: var(--accent); transition: var(--transition);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.mobile-menu-btn { display: none; font-size: 1.5rem; color: var(--primary); cursor: pointer; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 6px; font-weight: 600; font-size: 0.95rem;
  transition: var(--transition); cursor: pointer; border: none; font-family: var(--font-body);
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--secondary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-secondary { background: var(--accent); color: var(--white); }
.btn-secondary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-document { background: transparent; color: var(--white); border: 1px solid var(--white); }
.btn-document:hover { background: var(--white); color: var(--primary); }
.btn-block { width: 100%; }
.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); }

/* Hero */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding-top: var(--header-height);
  background-color: var(--primary);
}
.hero-bg-image {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background-size: cover; background-position: center; z-index: 1; opacity: 0.2; filter: grayscale(100%) contrast(1.2);
}
.hero-overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(135deg, rgba(10, 37, 64, 0.95) 0%, rgba(19, 64, 116, 0.85) 100%); z-index: 2;
}
.hero-container { position: relative; z-index: 3; }
.hero-content { max-width: 800px; text-align: center; margin: 0 auto; color: var(--white); }
.hero-subtitle {
  display: inline-block; padding: 6px 16px; background: rgba(0, 166, 251, 0.15); border: 1px solid rgba(0, 166, 251, 0.3);
  color: var(--accent); border-radius: 50px; font-weight: 600; font-size: 0.85rem;
  margin-bottom: 24px; letter-spacing: 1.5px; text-transform: uppercase;
}
.hero h1 { font-size: 3.8rem; color: var(--white); margin-bottom: 24px; line-height: 1.15; font-weight: 800; }
.text-accent { color: var(--accent); }
.hero p { font-size: 1.2rem; color: #E5E7EB; margin-bottom: 40px; margin-left: auto; margin-right: auto; max-width: 650px; font-weight: 300; }
.hero-actions { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }

/* Sections Common */
.section-subtitle { color: var(--accent); font-size: 0.85rem; text-transform: uppercase; font-weight: 700; letter-spacing: 2px; margin-bottom: 12px; display: block; }
.section-title { font-size: 2.5rem; margin-bottom: 24px; color: var(--primary); font-weight: 800; }
.section-header { margin-bottom: 50px; max-width: 700px; margin-left: auto; margin-right: auto; }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.img-wrapper { position: relative; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-large); }
.experience-badge {
  position: absolute; bottom: 0; right: 0; background: var(--accent); color: var(--white);
  padding: 24px 30px; border-top-left-radius: 12px; display: flex; align-items: center; gap: 15px; box-shadow: var(--shadow-md);
}
.experience-badge .number { font-size: 2.8rem; font-weight: 800; font-family: var(--font-heading); line-height: 1; }
.experience-badge .text { font-size: 0.95rem; font-weight: 600; line-height: 1.3; }
.about-text p { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 30px; }
.company-details { display: flex; gap: 40px; border-top: 1px solid var(--border); padding-top: 30px; }
.detail-item { display: flex; align-items: center; gap: 15px; }
.detail-item i { font-size: 2.2rem; color: var(--accent); }
.detail-item h5 { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; font-weight: 600; letter-spacing: 1px; }
.detail-item span { font-size: 1.1rem; font-weight: 700; color: var(--primary); display: block; margin-top: 4px; }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.service-card {
  background: var(--white); padding: 40px 30px; border-radius: 12px;
  box-shadow: var(--shadow-md); border: 1px solid rgba(229, 231, 235, 0.5);
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-large); border-color: rgba(0, 166, 251, 0.3); }
.service-icon {
  width: 60px; height: 60px; margin-bottom: 24px; background: rgba(0, 166, 251, 0.1);
  color: var(--accent); display: flex; align-items: center; justify-content: center;
  border-radius: 12px; font-size: 1.6rem; transition: var(--transition);
}
.service-card:hover .service-icon { background: var(--accent); color: var(--white); }
.service-card h3 { font-size: 1.3rem; margin-bottom: 15px; font-weight: 700; }
.service-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; }

/* Why Us */
.why-us-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.features-list { margin-top: 30px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.features-list li { display: flex; align-items: center; gap: 12px; font-weight: 600; color: var(--primary); font-size: 1.05rem; }
.features-list li i { color: var(--accent); font-size: 1.3rem; }
.why-us-visual img { border-radius: 12px; width: 100%; }
.shadow-large { box-shadow: var(--shadow-large); }
.rounded-image { border-radius: 12px; }

/* Gallery */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.gallery-item { position: relative; border-radius: 12px; overflow: hidden; cursor: pointer; aspect-ratio: 4/3; box-shadow: var(--shadow-md); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.gallery-overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(10, 37, 64, 0.85); display: flex; flex-direction: column;
  justify-content: center; align-items: center; opacity: 0; transition: var(--transition);
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-icon { color: var(--accent); font-size: 2rem; margin-bottom: 12px; transform: translateY(20px); transition: var(--transition); }
.gallery-item:hover .gallery-icon { transform: translateY(0); }
.gallery-text { color: var(--white); font-weight: 600; font-size: 1.15rem; transform: translateY(20px); transition: var(--transition); transition-delay: 0.1s; }
.gallery-item:hover .gallery-text { transform: translateY(0); }

/* Testimonials */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 30px; }
.testimonial-card {
  background: var(--bg-light); padding: 40px; border-radius: 12px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border); position: relative;
}
.quote-icon { color: rgba(0, 166, 251, 0.15); font-size: 3rem; position: absolute; top: 30px; right: 30px; }
.testimonial-text { font-size: 1.1rem; font-style: italic; color: var(--text-color); margin-bottom: 30px; position: relative; z-index: 2; line-height: 1.7; }
.testimonial-author { display: flex; align-items: center; gap: 15px; }
.author-name { font-size: 1.1rem; color: var(--primary); margin-bottom: 4px; font-weight: 700; }
.author-title { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; }

/* Contact */
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-bottom: 60px; }
.contact-info-list { margin-top: 40px; display: flex; flex-direction: column; gap: 30px; }
.contact-info-item { display: flex; gap: 20px; align-items: flex-start; }
.icon-circle {
  width: 54px; height: 54px; background: var(--white); color: var(--accent); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; border-radius: 50%; font-size: 1.2rem; flex-shrink: 0; box-shadow: var(--shadow-sm);
}
.contact-info-item h5 { font-size: 1.1rem; margin-bottom: 8px; color: var(--primary); }
.contact-info-item p { color: var(--text-muted); line-height: 1.6; }
.modern-form { background: var(--white); padding: 40px; border-radius: 12px; box-shadow: var(--shadow-lg); border: 1px solid var(--border); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; color: var(--primary); font-size: 0.95rem; }
.form-group input, .form-group textarea {
  width: 100%; padding: 14px 16px; border: 1px solid var(--border); background: var(--bg-light);
  border-radius: 6px; font-family: var(--font-body); transition: var(--transition); font-size: 1rem; color: var(--text-color);
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); background: var(--white); outline: none; box-shadow: 0 0 0 4px rgba(0, 166, 251, 0.1); }
.map-container { height: 450px; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-md); border: 1px solid var(--border); }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 40px; align-items: stretch; }
.pricing-card {
  background: var(--white); border: 1px solid var(--border); border-radius: 12px;
  padding: 50px 40px; text-align: center; position: relative;
  transition: var(--transition); box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; height: 100%;
}
.pricing-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-large); }
.pricing-card.popular {
  border: 2px solid #2563eb;
  box-shadow: var(--shadow-md);
  transform: scale(1.05);
  z-index: 2;
  background: var(--white);
}
.pricing-card.popular:hover { transform: scale(1.05) translateY(-10px); }
.popular-badge {
  position: absolute; top: -16px; left: 50%; transform: translateX(-50%);
  background: #2563eb; color: var(--white); font-size: 0.85rem;
  font-weight: 700; padding: 6px 20px; border-radius: 50px; text-transform: uppercase;
  white-space: nowrap;
}
.package-name { font-size: 1.25rem; font-weight: 800; color: var(--primary); margin-bottom: 25px; letter-spacing: 0.5px; }
.price-display { color: #0f172a; display: flex; justify-content: center; align-items: flex-start; margin-bottom: 10px; }
.price-display .currency { font-size: 2rem; font-weight: 700; margin-top: 5px; }
.price-display .amount { font-size: 4.5rem; font-weight: 800; line-height: 1; }
.piece-count { color: var(--text-muted); font-size: 0.95rem; font-weight: 500; margin-bottom: 40px; }
.pricing-features { text-align: left; margin-bottom: 0; flex-grow: 1; display: flex; flex-direction: column; gap: 20px; }
.pricing-features li { display: flex; align-items: center; gap: 15px; color: #334155; font-size: 1rem; font-weight: 500; }
.pricing-features li i { color: #2563eb; font-size: 1rem; }

/* Footer */
.footer { background: var(--primary); color: rgba(255, 255, 255, 0.8); padding: 80px 0 24px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 60px; margin-bottom: 60px; }
.footer-logo { font-size: 1.6rem; color: var(--white); margin-bottom: 20px; font-family: var(--font-heading); font-weight: 800; }
.footer-logo span { font-weight: 400; color: var(--accent); }
.footer-brand p { max-width: 320px; line-height: 1.7; }
.footer h4 { color: var(--white); font-size: 1.2rem; margin-bottom: 24px; font-weight: 600; }
.footer-links ul { display: flex; flex-direction: column; gap: 14px; }
.footer-links a { color: rgba(255, 255, 255, 0.8); font-weight: 500; }
.footer-links a:hover, .hover-accent:hover { color: var(--accent); }
.text-white { color: var(--white); }
.footer-contact p { display: flex; align-items: flex-start; gap: 15px; margin-bottom: 16px; line-height: 1.6; }
.footer-contact i { color: var(--accent); margin-top: 5px; font-size: 1.1rem; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 24px; text-align: center; font-size: 0.95rem; }

/* Utilities & Animations */
.back-to-top {
  position: fixed; bottom: 30px; right: 30px; width: 45px; height: 45px;
  background: var(--accent); color: var(--white); display: flex; align-items: center; justify-content: center;
  border-radius: 50%; font-size: 1.2rem; opacity: 0; visibility: hidden; transition: var(--transition); z-index: 99;
  box-shadow: var(--shadow-md);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--primary); transform: translateY(-3px); }

.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.fade-in.appear { opacity: 1; transform: translateY(0); }

/* Lightbox */
.lightbox {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(10, 37, 64, 0.95); display: flex; justify-content: center; align-items: center;
  z-index: 2000; opacity: 0; visibility: hidden; transition: var(--transition); backdrop-filter: blur(5px);
}
.lightbox.active { opacity: 1; visibility: visible; }
.lightbox-close { position: absolute; top: 30px; right: 40px; font-size: 2.5rem; color: var(--white); cursor: pointer; transition: var(--transition); }
.lightbox-close:hover { color: var(--accent); }
.lightbox-container { max-width: 85%; max-height: 85%; display: flex; flex-direction: column; align-items: center; }
.lightbox-content { max-width: 100%; max-height: 75vh; border-radius: 8px; box-shadow: var(--shadow-large); }
.lightbox-caption { color: var(--white); margin-top: 20px; font-size: 1.25rem; font-weight: 600; font-family: var(--font-heading); }
.lightbox-arrow { position: absolute; top: 50%; transform: translateY(-50%); font-size: 2.5rem; color: var(--white); cursor: pointer; padding: 20px; user-select: none; transition: var(--transition); }
.lightbox-arrow:hover { color: var(--accent); }
.lightbox-prev { left: 3%; }
.lightbox-next { right: 3%; }

/* Mobile Menu & Responsive */
.mobile-nav {
  position: fixed; top: 0; right: -320px; width: 320px; height: 100vh;
  background: var(--white); z-index: 1001; transition: transform 0.4s cubic-bezier(0.77, 0.2, 0.05, 1);
  display: flex; flex-direction: column; padding: 30px; box-shadow: var(--shadow-large);
}
.mobile-nav.active { transform: translateX(-320px); }
.overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(10, 37, 64, 0.6); z-index: 1000; opacity: 0; visibility: hidden; transition: var(--transition); backdrop-filter: blur(3px);
}
.overlay.active { opacity: 1; visibility: visible; }
.mobile-nav-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
.mobile-nav-close { font-size: 1.5rem; color: var(--text-color); cursor: pointer; transition: var(--transition); }
.mobile-nav-close:hover { color: var(--accent); }
.mobile-nav ul { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
.mobile-nav ul li a { font-size: 1.15rem; font-weight: 600; color: var(--primary); display: block; padding: 10px 0; border-bottom: 1px solid var(--border); }
.mobile-nav ul li a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.mobile-nav-footer { margin-top: auto; }

@media (max-width: 992px) {
  .hero h1 { font-size: 3.2rem; }
  .about-grid, .why-us-grid, .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .pricing-grid { grid-template-columns: 1fr; gap: 40px; }
  .pricing-card.popular { transform: none; }
  .pricing-card.popular:hover { transform: translateY(-10px); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .why-us-content { order: 2; }
  .why-us-visual { order: 1; }
  .features-list { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
  .hero-container { text-align: center; }
  .hero-content { margin: 0 auto; }
  .hero-actions { justify-content: center; flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .section-padding { padding: 80px 0; }
  .section-title { font-size: 2.2rem; }
  .company-details { flex-direction: column; gap: 20px; }
}
@media (max-width: 576px) {
  .hero h1 { font-size: 2.5rem; }
  .gallery-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .experience-badge .number { font-size: 2.2rem; }
}

/* PDF Modal */
.pdf-modal {
  display: none;
  position: fixed; inset: 0; z-index: 2000;
  align-items: center; justify-content: center;
}
.pdf-modal.active { display: flex; }
.pdf-modal-overlay {
  position: absolute; inset: 0;
  background: rgba(10, 37, 64, 0.75);
  backdrop-filter: blur(6px);
}
.pdf-modal-content {
  position: relative; z-index: 1;
  background: #fff; border-radius: 16px;
  width: 95vw; max-width: 860px;
  max-height: 90vh; display: flex; flex-direction: column;
  box-shadow: 0 30px 80px rgba(0,0,0,0.4);
  overflow: hidden;
  animation: modalIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.85) translateY(30px); }
  to   { opacity: 1; transform: scale(1)   translateY(0);     }
}
.pdf-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px;
  background: var(--primary); color: #fff;
  flex-shrink: 0;
}
.pdf-modal-header h3 {
  font-size: 1.15rem; font-weight: 700; margin: 0;
  display: flex; align-items: center; gap: 10px; color: #fff;
}
.pdf-modal-header h3 i { color: var(--accent); font-size: 1.3rem; }
.pdf-modal-close {
  background: rgba(255,255,255,0.15); border: none; color: #fff;
  font-size: 1.6rem; line-height: 1; width: 36px; height: 36px;
  border-radius: 50%; cursor: pointer; display: flex;
  align-items: center; justify-content: center; transition: background 0.2s;
}
.pdf-modal-close:hover { background: rgba(255,255,255,0.3); }
.pdf-modal-body {
  display: flex; flex-direction: column;
  flex: 1; overflow: hidden; background: #e8ecf0;
}
.pdf-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; background: #fff;
  border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.pdf-page-info { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; }
.pdf-download-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 18px; border-radius: 8px;
  background: var(--primary); color: #fff; border: none;
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}
.pdf-download-btn:hover { background: var(--accent); transform: translateY(-2px); color: #fff; }
.pdf-canvas-container {
  flex: 1; overflow-y: auto; padding: 20px;
  display: flex; flex-direction: column; align-items: stretch; gap: 0;
}
.pdf-canvas-container iframe {
  width: 100%; height: 75vh; border: none;
  border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  background: #fff; display: block;
}
.pdf-iframe-label {
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.8px;
  text-transform: uppercase; color: var(--primary);
  padding: 10px 4px 6px; opacity: 0.7;
}
.pdf-download-links { display: flex; gap: 10px; }