/* ========== Base Styles ========== */
:root {
    --primary: #0f4c81;
    --primary-dark: #0a3a63;
    --primary-light: #1a6bb8;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --dark: #0f172a;
    --gray-900: #1e293b;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-400: #9ca3af;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #0f4c81 0%, #1a6bb8 50%, #0a3a63 100%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Poppins', sans-serif; line-height: 1.7; color: var(--gray-700); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ========== Navigation ========== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: transparent; padding: 20px 0; transition: all 0.3s ease;
}
.navbar.scrolled { background: var(--white); box-shadow: 0 2px 20px rgba(0,0,0,0.1); padding: 12px 0; }
.navbar.scrolled .logo-text, .navbar.scrolled .nav-links a { color: var(--dark); }
.navbar.scrolled .hamburger span { background: var(--dark); }

.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; }

.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { background: var(--accent); color: var(--dark); font-weight: 700; font-size: 1.25rem; padding: 8px 12px; border-radius: 8px; }
.logo-text { font-weight: 600; font-size: 1.1rem; color: var(--white); }

.nav-links { display: flex; list-style: none; gap: 32px; align-items: center; }
.nav-links a { color: var(--white); text-decoration: none; font-weight: 500; font-size: 0.95rem; transition: color 0.3s; }
.nav-links a:hover { color: var(--accent); }
.btn-nav { background: var(--accent) !important; color: var(--dark) !important; padding: 10px 24px !important; border-radius: 8px; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { width: 28px; height: 3px; background: var(--white); border-radius: 2px; transition: 0.3s; }

/* ========== Hero Section ========== */
.hero {
    min-height: 100vh; position: relative; display: flex; flex-direction: column;
    justify-content: center; align-items: center; text-align: center;
    background: var(--gradient); padding: 120px 24px 60px; overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0; opacity: 0.1;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { position: relative; z-index: 2; max-width: 900px; }
.hero-subtitle { color: var(--accent); font-weight: 600; font-size: 1rem; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px; }
.hero h1 { color: var(--white); font-size: 3.5rem; font-weight: 800; line-height: 1.2; margin-bottom: 24px; }
.hero .highlight { color: var(--accent); }
.hero-desc { color: rgba(255,255,255,0.85); font-size: 1.2rem; max-width: 700px; margin: 0 auto 40px; }

.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-block; padding: 14px 32px; border-radius: 8px; font-weight: 600; font-size: 1rem; text-decoration: none; transition: all 0.3s; cursor: pointer; border: none; }
.btn-primary { background: var(--accent); color: var(--dark); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.5); }
.btn-outline:hover { background: var(--white); color: var(--primary); }
.btn-light { background: var(--white); color: var(--primary); }
.btn-light:hover { background: var(--gray-100); transform: translateY(-2px); }
.btn-full { width: 100%; }

.stats-bar {
    position: relative; z-index: 2; display: flex; flex-wrap: wrap; justify-content: center;
    gap: 48px; margin-top: 80px; padding: 40px 60px; background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px); border-radius: 16px; border: 1px solid rgba(255,255,255,0.2);
}
.stat-item { text-align: center; }
.stat-number { font-size: 2.5rem; font-weight: 800; color: var(--white); }
.stat-label { color: rgba(255,255,255,0.8); font-size: 0.9rem; margin-top: 4px; }

/* ========== Section Styles ========== */
.section-subtitle { color: var(--accent); font-weight: 600; font-size: 0.9rem; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 8px; }
.section-title { font-size: 2.25rem; font-weight: 700; color: var(--dark); margin-bottom: 16px; line-height: 1.3; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-header.light .section-title { color: var(--white); }
.section-desc { color: var(--gray-600); font-size: 1.1rem; }

/* ========== About Section ========== */
.about { padding: 100px 0; background: var(--gray-100); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-content .section-title { text-align: left; }
.about-text { color: var(--gray-600); font-size: 1.05rem; margin-bottom: 20px; }
.about-features { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 32px; }
.feature { display: flex; align-items: center; gap: 12px; background: var(--white); padding: 12px 20px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
.feature i { color: var(--primary); font-size: 1.25rem; }
.feature span { font-weight: 500; color: var(--gray-700); }
.about-image .image-placeholder {
    background: var(--gradient); border-radius: 16px; height: 400px;
    display: flex; flex-direction: column; justify-content: center; align-items: center; color: var(--white);
}
.image-placeholder i { font-size: 5rem; opacity: 0.8; margin-bottom: 16px; }
.image-placeholder span { font-size: 1.25rem; font-weight: 600; }

/* ========== Services Section ========== */
.services { padding: 100px 0; background: var(--white); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 30px; }
.service-card {
    background: var(--gray-100); border-radius: 16px; padding: 32px;
    transition: all 0.3s ease; border: 1px solid transparent;
}
.service-card:hover { transform: translateY(-8px); box-shadow: 0 20px 40px rgba(15,76,129,0.12); border-color: var(--primary-light); }
.service-icon { width: 60px; height: 60px; background: var(--gradient); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.service-icon i { color: var(--white); font-size: 1.5rem; }
.service-card h3 { font-size: 1.25rem; font-weight: 600; color: var(--dark); margin-bottom: 12px; }
.service-card > p { color: var(--gray-600); font-size: 0.95rem; margin-bottom: 16px; }
.service-list { list-style: none; }
.service-list li { color: var(--gray-600); font-size: 0.9rem; padding: 6px 0; padding-left: 20px; position: relative; }
.service-list li::before { content: '✓'; position: absolute; left: 0; color: var(--primary); font-weight: 600; }

/* ========== Industries Section ========== */


/* ========== Why Choose Us Section ========== */
.why-choose { padding: 100px 0; background: var(--gradient); }
.advantages-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 30px; }
.advantage-card {
    background: rgba(255,255,255,0.1); backdrop-filter: blur(10px);
    border-radius: 16px; padding: 32px; border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
}
.advantage-card:hover { background: rgba(255,255,255,0.15); transform: translateY(-4px); }
.advantage-number { font-size: 3rem; font-weight: 800; color: var(--accent); opacity: 0.8; margin-bottom: 16px; }
.advantage-card h4 { font-size: 1.25rem; font-weight: 600; color: var(--white); margin-bottom: 12px; }
.advantage-card p { color: rgba(255,255,255,0.8); font-size: 0.95rem; }

/* ========== Clients Section ========== */
.clients { padding: 100px 0; background: var(--white); }
.clients-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.client-card {
    display: flex; align-items: center; gap: 20px;
    background: var(--gray-100); border-radius: 16px; padding: 24px;
    transition: all 0.3s ease; border: 2px solid transparent;
}
.client-card:hover { border-color: var(--primary); box-shadow: 0 10px 30px rgba(15,76,129,0.1); }
.client-logo {
    width: 60px; height: 60px; min-width: 60px; background: var(--gradient);
    border-radius: 12px; display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; font-weight: 700; color: var(--white);
}
.client-info h4 { font-size: 1.1rem; font-weight: 600; color: var(--dark); margin-bottom: 4px; }
.client-info p { color: var(--gray-600); font-size: 0.9rem; margin-bottom: 8px; }
.client-workers { display: inline-block; background: rgba(15,76,129,0.1); color: var(--primary); font-size: 0.8rem; font-weight: 600; padding: 4px 12px; border-radius: 20px; }

/* ========== CTA Section ========== */
.cta { padding: 80px 0; background: var(--accent); }
.cta-content { text-align: center; max-width: 700px; margin: 0 auto; }
.cta h2 { font-size: 2rem; font-weight: 700; color: var(--dark); margin-bottom: 16px; }
.cta p { color: rgba(0,0,0,0.7); font-size: 1.1rem; margin-bottom: 32px; }

/* ========== Contact Section ========== */
.contact { padding: 100px 0; background: var(--gray-100); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info .section-title { text-align: left; }
.contact-desc { color: var(--gray-600); font-size: 1.05rem; margin-bottom: 40px; }
.contact-details { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-item i { width: 48px; height: 48px; background: var(--gradient); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 1.1rem; }
.contact-item h5 { font-size: 0.9rem; font-weight: 600; color: var(--dark); margin-bottom: 4px; }
.contact-item a, .contact-item p { color: var(--gray-600); text-decoration: none; font-size: 0.95rem; }
.contact-item a:hover { color: var(--primary); }

.contact-form-card { background: var(--white); border-radius: 16px; padding: 40px; box-shadow: 0 10px 40px rgba(0,0,0,0.08); }
.contact-form-card h3 { font-size: 1.5rem; font-weight: 600; color: var(--dark); margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-group input, .form-group textarea {
    width: 100%; padding: 14px 18px; border: 2px solid var(--gray-200); border-radius: 10px;
    font-family: inherit; font-size: 1rem; transition: border-color 0.3s; outline: none;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ========== Footer ========== */
.footer { background: var(--dark); color: var(--white); padding: 80px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 60px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand .logo { margin-bottom: 20px; }
.footer-brand .logo-text { color: var(--white); }
.footer-brand p { color: var(--gray-400); font-size: 0.95rem; }
.footer h5 { font-size: 1rem; font-weight: 600; margin-bottom: 20px; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 12px; }
.footer ul a { color: var(--gray-400); text-decoration: none; font-size: 0.9rem; transition: color 0.3s; }
.footer ul a:hover { color: var(--accent); }
.footer-services ul li { color: var(--gray-400); font-size: 0.9rem; }
.footer-contact p { color: var(--gray-400); font-size: 0.9rem; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.footer-contact i { color: var(--accent); }
.footer-bottom { padding: 24px 0; text-align: center; }
.footer-bottom p { color: var(--gray-400); font-size: 0.85rem; }

/* ========== Responsive ========== */
@media (max-width: 992px) {
    .hero h1 { font-size: 2.5rem; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .about-image { order: -1; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
        background: var(--dark); flex-direction: column; justify-content: center;
        gap: 32px; transition: right 0.3s ease;
    }
    .nav-links.active { right: 0; }
    .nav-links a { color: var(--white); font-size: 1.1rem; }
    .hamburger { display: flex; z-index: 1001; }
    .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

    .hero { padding: 100px 20px 40px; }
    .hero h1 { font-size: 2rem; }
    .hero-desc { font-size: 1rem; }
    .stats-bar { flex-direction: column; gap: 24px; padding: 30px; }
    .stat-number { font-size: 2rem; }

    .section-title { font-size: 1.75rem; }
    .services-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-brand .logo { justify-content: center; }
    .footer-contact p { justify-content: center; }
}
.industries { padding: 100px 0; background: var(--gray-100); }
.industries-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 24px; }
.industry-card {
    background: var(--white); border-radius: 16px; padding: 32px 24px; text-align: center;
    transition: all 0.3s ease; border: 2px solid transparent;
}
.industry-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: 0 10px 30px rgba(15,76,129,0.1); }
.industry-card i { font-size: 2.5rem; color: var(--primary); margin-bottom: 16px; }
.industry-card h4 { font-size: 1rem; font-weight: 600; color: var(--dark); }