* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1B5E75;
    --primary-dark: #0F3D52;
    --primary-light: #E8F4F8;
    --accent: #00BCD4;
    --accent-dark: #0097A7;
    --secondary: #607D8B;
    --dark: #1A1A1A;
    --light: #F8F9FA;
    --white: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
}

html { scroll-behavior: smooth; }
body { font-family: 'Roboto', sans-serif; color: var(--primary); line-height: 1.6; background-color: var(--white); }
h1, h2, h3, h4, h5, h6 { font-family: 'Lato', sans-serif; font-weight: 700; color: var(--primary); }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* HEADER */
header { background-color: var(--white); box-shadow: var(--shadow-sm); position: fixed; width: 100%; top: 0; z-index: 1000; }
.header-wrapper { display: flex; justify-content: space-between; align-items: center; padding: 18px 0; }
.logo-group { display: flex; align-items: center; gap: 12px; text-decoration: none; overflow: visible; }
.logo-image { width: 45px; height: 45px; object-fit: contain; display: block; transform: scale(3); transform-origin: left center; }
.logo-text { font-size: 22px; font-weight: 700; color: var(--primary); }
nav ul { display: flex; list-style: none; gap: 30px; }
nav a { text-decoration: none; color: var(--primary); font-weight: 500; font-size: 14px; transition: color 0.3s ease; position: relative; }
nav a::after { content: ''; position: absolute; width: 0; height: 2px; bottom: -5px; left: 0; background-color: var(--accent); transition: width 0.3s ease; }
nav a:hover { color: var(--accent); }
nav a:hover::after { width: 100%; }
.cta-group { display: flex; align-items: center; gap: 15px; }
.phone-link { display: flex; align-items: center; gap: 8px; color: var(--accent); font-weight: 600; text-decoration: none; font-size: 14px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 26px; border-radius: 4px; text-decoration: none; font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: 0.5px; transition: all 0.3s ease; border: none; cursor: pointer; }
.btn-primary { background-color: var(--accent); color: var(--white); }
.btn-primary:hover { background-color: var(--accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background-color: transparent; color: var(--white); border: 2px solid var(--white); }
.btn-outline:hover { background-color: var(--white); color: var(--accent); }
.mobile-menu-btn { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--primary); }

/* HERO */
.hero { background: linear-gradient(135deg, rgba(27, 94, 117, 0.5) 0%, rgba(27, 94, 117, 0.3) 100%), url('https://images.unsplash.com/photo-1598256989800-fe5f95da9787?q=80&w=1170&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D'); background-size: cover; background-position: center; background-attachment: fixed; min-height: 90vh; display: flex; align-items: center; color: var(--white); margin-top: 70px; position: relative; padding: 60px 0; }
.hero-content { max-width: 700px; position: relative; z-index: 2; width: 100%; }
.hero h1 { font-size: 52px; margin-bottom: 20px; line-height: 1.2; letter-spacing: -0.5px; text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 0, 0, 0.2); color: var(--white); word-wrap: break-word; }
.hero p { font-size: 19px; margin-bottom: 35px; line-height: 1.6; opacity: 0.95; font-weight: 300; text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3); }
.hero-buttons { display: flex; gap: 20px; flex-wrap: wrap; }
.trust-badges { display: flex; gap: 15px; margin-top: 40px; flex-wrap: wrap; font-size: 13px; }
.badge { display: flex; align-items: center; gap: 10px; background: rgba(255, 255, 255, 0.15); padding: 10px 15px; border-radius: 4px; backdrop-filter: blur(10px); white-space: nowrap; }
.badge i { font-size: 18px; color: var(--accent); flex-shrink: 0; }

/* SECTIONS */
section { padding: 80px 0; }
section.light-bg { background-color: var(--light); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 40px; margin-bottom: 20px; position: relative; display: inline-block; padding-bottom: 15px; letter-spacing: -0.5px; }
.section-header h2::after { content: ''; position: absolute; width: 60px; height: 3px; background: linear-gradient(90deg, var(--accent) 0%, transparent 100%); bottom: 0; left: 50%; transform: translateX(-50%); }
.section-header p { font-size: 17px; color: var(--secondary); max-width: 600px; margin: 0 auto; font-weight: 300; }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image { border-radius: 4px; overflow: hidden; box-shadow: var(--shadow-lg); }
.about-image img { width: 100%; height: auto; display: block; }
.about-content h2 { font-size: 40px; margin-bottom: 25px; letter-spacing: -0.5px; }
.about-content p { margin-bottom: 18px; color: var(--secondary); line-height: 1.8; font-size: 15px; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 35px 0; }
.stat-item { text-align: center; padding: 20px; background-color: var(--primary-light); border-radius: 4px; }
.stat-number { font-size: 32px; font-weight: 700; color: var(--accent); margin-bottom: 5px; }
.stat-label { font-size: 13px; color: var(--primary); text-transform: uppercase; letter-spacing: 0.5px; }
.equipment-list { background: var(--primary-light); padding: 25px; border-radius: 4px; margin: 30px 0; }
.equipment-list h3 { margin-bottom: 15px; color: var(--primary); }
.equipment-list ul { list-style: none; columns: 2; }
.equipment-list li { margin-bottom: 12px; padding-left: 25px; position: relative; color: var(--secondary); font-size: 14px; }
.equipment-list li:before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: bold; }

/* CLIENTS */
.clients-section { text-align: center; }
.clients-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 30px; align-items: center; }
.client-logo { padding: 20px; background: var(--white); border: 1px solid #e0e0e0; border-radius: 4px; display: flex; align-items: center; justify-content: center; height: 100px; transition: all 0.3s ease; }
.client-logo:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
.client-logo img { max-height: 50px; max-width: 100%; opacity: 0.7; transition: opacity 0.3s ease; }
.client-logo:hover img { opacity: 1; }

/* SERVICES */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.service-card { background-color: var(--white); border-radius: 4px; overflow: hidden; box-shadow: var(--shadow-sm); transition: all 0.3s ease; }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.service-image { height: 220px; background-size: cover; background-position: center; overflow: hidden; position: relative; }
.service-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.service-card:hover .service-image img { transform: scale(1.08); }
.service-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0, 188, 212, 0.8); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s ease; }
.service-card:hover .service-overlay { opacity: 1; }
.service-overlay i { font-size: 40px; color: var(--white); }
.service-content { padding: 30px; }
.service-content h3 { font-size: 22px; margin-bottom: 15px; letter-spacing: -0.5px; }
.service-content p { color: var(--secondary); line-height: 1.7; }

/* CERTS */
.certs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 30px; }
.cert-card { background-color: var(--white); padding: 35px; border-radius: 4px; text-align: center; box-shadow: var(--shadow-sm); transition: all 0.3s ease; border-top: 3px solid var(--accent); }
.cert-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.cert-icon { font-size: 48px; color: var(--accent); margin-bottom: 15px; }
.cert-card h3 { font-size: 20px; margin-bottom: 8px; }
.cert-card p { color: var(--secondary); font-size: 13px; }

/* TESTIMONIALS */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.testimonial-card { background-color: var(--white); padding: 35px; border-radius: 4px; box-shadow: var(--shadow-sm); transition: all 0.3s ease; border-left: 4px solid var(--accent); }
.testimonial-card:hover { box-shadow: var(--shadow-md); }
.testimonial-text { color: var(--primary); margin-bottom: 20px; line-height: 1.8; font-style: italic; font-size: 15px; }
.testimonial-author { font-weight: 700; color: var(--accent); margin-bottom: 5px; }
.testimonial-company { color: var(--secondary); font-size: 13px; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info h3 { font-size: 24px; margin-bottom: 30px; letter-spacing: -0.5px; }
.contact-item { display: flex; gap: 20px; margin-bottom: 30px; }
.contact-icon { width: 50px; height: 50px; border-radius: 50%; background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%); display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 22px; flex-shrink: 0; }
.contact-details strong { display: block; color: var(--primary); margin-bottom: 5px; font-size: 14px; }
.contact-details span { color: var(--secondary); font-size: 14px; }
.contact-form { background-color: var(--white); padding: 40px; border-radius: 4px; box-shadow: var(--shadow-md); }
.form-group { margin-bottom: 25px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; color: var(--primary); font-size: 14px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 12px 15px; border: 1px solid #ddd; border-radius: 4px; font-family: 'Roboto', sans-serif; font-size: 14px; transition: border-color 0.3s ease; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.1); }
.form-group textarea { resize: vertical; min-height: 140px; }

.form-message {
    display: none;
    margin: 0 0 18px 0;
    padding: 12px 14px;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1.5;
    background: rgba(27, 94, 117, 0.08);
    border: 1px solid rgba(27, 94, 117, 0.2);
    color: var(--primary);
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.form-message.show {
    opacity: 1;
    transform: translateY(0);
}

.form-message.success {
    background: rgba(0, 188, 212, 0.12);
    border-color: rgba(0, 188, 212, 0.35);
    color: var(--primary-dark);
}

.form-message.error {
    background: rgba(220, 53, 69, 0.12);
    border-color: rgba(220, 53, 69, 0.35);
    color: #b02a37;
}

/* FOOTER */
footer { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: var(--white); padding: 60px 0 20px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer-col h4 { font-size: 17px; margin-bottom: 20px; position: relative; padding-bottom: 10px; letter-spacing: -0.5px; color: var(--white); }
.footer-col h4::after { content: ''; position: absolute; width: 35px; height: 2px; background-color: var(--accent); bottom: 0; left: 0; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { color: rgba(255, 255, 255, 0.8); text-decoration: none; transition: color 0.3s ease; font-size: 14px; }
.footer-col ul li a:hover { color: var(--white); }
.footer-col p { color: rgba(255, 255, 255, 0.8); line-height: 1.7; font-size: 14px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.2); padding-top: 30px; text-align: center; color: rgba(255, 255, 255, 0.7); font-size: 13px; }
.footer-bottom a { text-decoration: none !important; }
.footer-bottom a:hover { text-decoration: none !important; }

@media (max-width: 1024px) {
    .logo-image { transform: scale(2.4); }
    .hero h1 { font-size: 42px; }
    .hero p { font-size: 17px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .certs-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 15px; }
}

@media (max-width: 768px) {
    nav ul { display: none; position: absolute; top: 70px; left: 0; right: 0; flex-direction: column; background-color: var(--white); box-shadow: var(--shadow-md); padding: 20px; gap: 0; z-index: 1000; }
    nav ul.active { display: flex; }
    nav a { padding: 12px 0; display: block; border-bottom: 1px solid var(--light); }
    .cta-group { display: none; }
    .mobile-menu-btn { display: block; }
    .logo-image { transform: scale(2.5); }
    .container { padding: 0 15px; }
    section { padding: 60px 0; }
    
    /* Hero section mobile */
    .hero { min-height: auto; margin-top: 60px; padding: 50px 0; background-attachment: scroll; }
    .hero h1 { font-size: 28px; margin-bottom: 15px; }
    .hero p { font-size: 15px; margin-bottom: 25px; }
    .hero-buttons { gap: 12px; width: 100%; }
    .hero-buttons .btn { width: 100%; justify-content: center; flex: 1; min-width: 0; }
    .trust-badges { gap: 10px; margin-top: 30px; flex-direction: column; width: 100%; }
    .badge { font-size: 13px; padding: 12px 15px; width: 100%; justify-content: flex-start; }
    .badge span { white-space: normal; }
    .badge i { font-size: 16px; }
    
    /* Sections */
    .section-header h2 { font-size: 28px; }
    .section-header p { font-size: 15px; padding: 0 10px; }
    
    /* About section */
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-content h2 { font-size: 28px; }
    .about-content p { font-size: 14px; }
    .stats-grid { grid-template-columns: 1fr; gap: 15px; }
    .stat-number { font-size: 28px; }
    .stat-label { font-size: 12px; }
    .equipment-list { padding: 20px; }
    .equipment-list ul { columns: 1; }
    .equipment-list li { font-size: 13px; }
    
    /* Services */
    .services-grid { grid-template-columns: 1fr; gap: 25px; }
    .service-card { max-width: 100%; }
    .service-content { padding: 25px; }
    .service-content h3 { font-size: 20px; }
    .service-content p { font-size: 14px; }
    
    /* Certifications */
    .certs-grid { grid-template-columns: 1fr; gap: 20px; }
    .cert-card { padding: 30px; }
    
    /* Clients */
    .clients-grid { grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .client-logo { height: 80px; }
    
    /* Testimonials */
    .testimonials-grid { grid-template-columns: 1fr; gap: 20px; }
    .testimonial-card { padding: 25px; }
    .testimonial-text { font-size: 14px; }
    
    /* Contact */
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-item { flex-direction: column; text-align: center; align-items: center; }
    .contact-details { text-align: center; }
    .contact-form { padding: 30px 20px; }
    .form-group label { font-size: 13px; }
    .form-group input, .form-group textarea, .form-group select { font-size: 14px; padding: 10px 12px; }
    
    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    footer { padding: 40px 0 20px; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 24px; }
    .hero p { font-size: 14px; }
    .badge { font-size: 12px; padding: 10px 12px; }
    .badge i { font-size: 15px; }
    .section-header h2 { font-size: 24px; }
    .clients-grid { grid-template-columns: 1fr; }
}