:root {
    --primary: #0B4EA2;
    --primary-dark: #093d82;
    --primary-light: #1a6fd4;
    --secondary: #FFFFFF;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --bg-dark: #0f172a;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.04);
    --radius: 8px;
    --radius-lg: 12px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: .2s ease;
    --container: 1200px;
    --header-height: 80px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
ul { list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 800px; }

.skip-link {
    position: absolute; top: -100px; left: 0; background: var(--primary); color: #fff;
    padding: 8px 16px; z-index: 9999;
}
.skip-link:focus { top: 0; }

/* Typography */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; color: var(--text); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: 1.25rem; }
p { margin-bottom: 1rem; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 24px; font-size: 15px; font-weight: 600; border-radius: var(--radius);
    border: 2px solid transparent; cursor: pointer; transition: all var(--transition);
    text-decoration: none; line-height: 1.4;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-whatsapp { background: #25D366; color: #fff; border-color: #25D366; }
.btn-whatsapp:hover { background: #1da851; color: #fff; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-block { display: flex; width: 100%; margin-bottom: 8px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 1000; background: #fff; box-shadow: var(--shadow); }
.header-top { background: var(--bg-dark); color: #fff; font-size: 13px; padding: 8px 0; }
.header-top .container { display: flex; justify-content: space-between; align-items: center; }
.header-contact { display: flex; gap: 24px; }
.header-link { color: #cbd5e1; display: flex; align-items: center; gap: 6px; }
.header-link:hover { color: #fff; }
.lang-switcher { display: flex; align-items: center; gap: 8px; }
.lang-link { color: #94a3b8; font-weight: 600; font-size: 13px; }
.lang-link.active, .lang-link:hover { color: #fff; }
.lang-sep { color: #475569; }

.header-main .container { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); gap: 24px; }
.logo img { height: 44px; width: auto; }

.main-nav .nav-list { display: flex; gap: 4px; }
.main-nav a { color: var(--text); font-weight: 500; font-size: 15px; padding: 8px 14px; border-radius: var(--radius); }
.main-nav a:hover { color: var(--primary); background: var(--bg-alt); }

.has-dropdown { position: relative; }
.dropdown {
    position: absolute; top: 100%; left: 0; min-width: 260px; background: #fff;
    border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 8px;
    opacity: 0; visibility: hidden; transform: translateY(8px); transition: all var(--transition);
}
.has-dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown li a { display: block; padding: 10px 14px; font-size: 14px; border-radius: 6px; }
.dropdown-more a { color: var(--primary); font-weight: 600; }

.mobile-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--text); transition: var(--transition); }

/* Hero */
.hero { position: relative; padding: 100px 0 80px; overflow: hidden; background: linear-gradient(135deg, #0B4EA2 0%, #0a3d7a 50%, #062a54 100%); color: #fff; }
.hero.has-upload-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(11,78,162,.88) 0%, rgba(6,42,84,.92) 100%); z-index: 0; }
.hero-upload-bg { position: absolute; inset: 0; z-index: 0; }
.hero-upload-img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg { position: absolute; inset: 0; z-index: 0; background: 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='0.03'%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: 1; max-width: 720px; }
.hero-badge { display: inline-block; background: rgba(255,255,255,.15); padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 20px; backdrop-filter: blur(4px); }
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero-subtitle { font-size: 1.2rem; color: #cbd5e1; margin-bottom: 32px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero .btn-outline { color: #fff; border-color: rgba(255,255,255,.5); }
.hero .btn-outline:hover { background: #fff; color: var(--primary); }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; padding-top: 32px; border-top: 1px solid rgba(255,255,255,.15); }
.hero-stat strong { display: block; font-size: 2rem; font-weight: 800; color: #fff; }
.hero-stat span { font-size: 13px; color: #94a3b8; }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--bg-dark); color: #fff; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-header p { color: var(--text-muted); font-size: 1.1rem; }
.section-cta { text-align: center; margin-top: 40px; }

.page-hero { padding: 60px 0; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: #fff; text-align: center; position: relative; overflow: hidden; }
.page-hero.has-hero-image .container { position: relative; z-index: 1; }
.page-hero-bg { position: absolute; inset: 0; }
.page-hero-bg-img { width: 100%; height: 100%; object-fit: cover; opacity: 0.25; }
.page-hero.has-hero-image::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(11,78,162,.85) 0%, rgba(9,61,130,.9) 100%); }
.page-hero h1 { color: #fff; margin-bottom: 12px; }
.page-hero p { color: #cbd5e1; font-size: 1.1rem; max-width: 600px; margin: 0 auto; }
.page-hero-sm { padding: 48px 0; }

/* Grid */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

/* Cards */
.card {
    background: #fff; border-radius: var(--radius-lg); padding: 28px;
    border: 1px solid var(--border); transition: all var(--transition);
    display: block; color: var(--text); text-decoration: none;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); color: var(--text); }
.card-icon { width: 56px; height: 56px; background: rgba(11,78,162,.08); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: var(--primary); margin-bottom: 16px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--text-muted); font-size: 14px; margin-bottom: 12px; }
.card-link { color: var(--primary); font-weight: 600; font-size: 14px; }

.service-card:hover .card-icon { background: var(--primary); color: #fff; }

/* Industries */
.industry-item {
    display: flex; flex-direction: column; align-items: center; text-align: center;
    padding: 24px 16px; background: #fff; border-radius: var(--radius-lg);
    border: 1px solid var(--border); transition: all var(--transition); color: var(--text);
}
.industry-item:hover { border-color: var(--primary); box-shadow: var(--shadow); color: var(--primary); }
.industry-icon { width: 56px; height: 56px; background: var(--bg-alt); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--primary); margin-bottom: 12px; flex-shrink: 0; }
.industry-icon-lg { width: 64px; height: 64px; margin-bottom: 16px; }
.industry-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.industry-card h3,
.industry-card p,
.industry-card .card-link { width: 100%; }
.industry-item span { font-weight: 600; font-size: 14px; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card { text-align: center; padding: 32px; background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.stat-value { font-size: 2.5rem; font-weight: 800; color: var(--primary); }
.stat-label { color: var(--text-muted); font-size: 14px; margin-top: 4px; }

/* Why */
.why-card { padding: 32px; background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.why-number { font-size: 2rem; font-weight: 800; color: var(--primary); opacity: .3; margin-bottom: 12px; }

/* References */
.ref-card.has-image { padding: 0; overflow: hidden; }
.ref-card .card-body { padding: 24px; }
.card-media { display: block; overflow: hidden; }
.card-media-img, .media-image { width: 100%; height: 200px; object-fit: cover; display: block; }
.ref-card .card-media-img { height: 180px; }
.blog-card.has-image { padding: 0; overflow: hidden; }
.blog-card .card-body { padding: 24px; }
.blog-card .card-media:hover .card-media-img { transform: scale(1.03); }
.card-media-img { transition: transform var(--transition); }

.ref-card .ref-type { display: inline-block; font-size: 12px; font-weight: 600; color: var(--primary); background: rgba(11,78,162,.08); padding: 4px 10px; border-radius: 50px; margin-bottom: 12px; }
.ref-meta { display: flex; gap: 16px; font-size: 13px; color: var(--text-muted); margin-top: 12px; }

/* Certifications */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cert-item { text-align: center; padding: 32px 20px; }
.cert-badge { color: var(--primary); margin-bottom: 16px; display: flex; align-items: center; justify-content: center; min-height: 64px; }
.cert-image { max-width: 80px; max-height: 80px; object-fit: contain; }
.cert-item h4 { margin-bottom: 8px; }
.cert-item p { font-size: 14px; color: var(--text-muted); }

/* Testimonials */
.testimonial-avatar { margin-bottom: 14px; }
.testimonial-avatar-img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 2px solid rgba(255,255,255,.2); }
.testimonial-card { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-lg); padding: 28px; }
.testimonial-rating { color: #fbbf24; margin-bottom: 12px; }
.testimonial-card p { font-style: italic; color: #cbd5e1; margin-bottom: 16px; }
.testimonial-card footer strong { display: block; color: #fff; }
.testimonial-card footer span { font-size: 13px; color: #94a3b8; }

/* Blog */
.article-featured-image { margin-bottom: 24px; border-radius: var(--radius-lg); overflow: hidden; }
.article-featured-img { width: 100%; max-height: 420px; object-fit: cover; display: block; }
.blog-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; font-size: 13px; }
.blog-category { color: var(--primary); font-weight: 600; }
.blog-card time { color: var(--text-light); }

/* CTA */
.cta-section { padding: 80px 0; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: #fff; text-align: center; }
.cta-content { max-width: 600px; margin: 0 auto; }
.cta-section h2 { color: #fff; margin-bottom: 12px; }
.cta-section p { color: #cbd5e1; margin-bottom: 28px; font-size: 1.1rem; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Breadcrumbs */
.breadcrumbs { padding: 14px 0; background: var(--bg-alt); font-size: 14px; border-bottom: 1px solid var(--border); }
.breadcrumb-list { display: flex; flex-wrap: wrap; align-items: center; list-style: none; margin: 0; padding: 0; }
.breadcrumb-list li { display: inline-flex; align-items: center; max-width: 100%; }
.breadcrumb-list li + li::before { content: '/'; margin: 0 10px; color: var(--text-light); flex-shrink: 0; user-select: none; pointer-events: none; }
.breadcrumb-list li span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 280px; }
.breadcrumb-list a { color: var(--text-muted); text-decoration: none; }
.breadcrumb-list a:hover { color: var(--primary); }
.breadcrumb-list li:last-child span { color: var(--text); font-weight: 500; }

/* Content */
.detail-featured-image { margin-bottom: 32px; border-radius: var(--radius-lg); overflow: hidden; }
.detail-featured-img { width: 100%; max-height: 460px; object-fit: cover; display: block; }
.content-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; }
.content-body h2 { margin: 32px 0 16px; font-size: 1.5rem; }
.content-body h3 { margin: 24px 0 12px; }
.content-body ul, .content-body ol { margin: 0 0 1rem 1.5rem; list-style: disc; }
.content-body li { margin-bottom: 6px; }
.content-body p { color: var(--text-muted); line-height: 1.8; }

.sidebar-card { background: var(--bg-alt); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 24px; border: 1px solid var(--border); }
.sidebar-card h4 { margin-bottom: 12px; }
.sidebar-links li { margin-bottom: 8px; }
.sidebar-links a { color: var(--text-muted); font-size: 14px; display: block; padding: 6px 0; }
.sidebar-links a:hover, .sidebar-links a.active { color: var(--primary); }

/* FAQ */
.faq-section { margin-top: 48px; }
.faq-section h2 { margin-bottom: 24px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 8px; }
.faq-item summary { padding: 16px 20px; font-weight: 600; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { padding: 0 20px 16px; color: var(--text-muted); }

/* Forms */
.contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius);
    font-family: var(--font); font-size: 15px; transition: border-color var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(11,78,162,.1);
}
.form-notice { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }

.alert { padding: 16px 20px; border-radius: var(--radius); margin-bottom: 24px; font-weight: 500; }
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* Contact */
.contact-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; }
.contact-card { background: var(--bg-alt); padding: 32px; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.contact-list li { display: flex; gap: 16px; margin-bottom: 20px; }
.contact-list svg { flex-shrink: 0; color: var(--primary); margin-top: 2px; }
.contact-actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.map-container { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); }

/* Trust signals */
.trust-signals { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; margin: 32px 0; }
.trust-item { text-align: center; }
.trust-value { display: block; font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.trust-label { font-size: 13px; color: var(--text-muted); }

/* Filter */
.filter-bar { display: flex; gap: 8px; margin-bottom: 32px; flex-wrap: wrap; }
.filter-btn { padding: 8px 20px; border-radius: 50px; border: 1px solid var(--border); font-size: 14px; font-weight: 500; color: var(--text-muted); background: #fff; }
.filter-btn.active, .filter-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Career */
.career-list { margin-bottom: 48px; }
.career-card { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.career-meta { display: flex; gap: 16px; font-size: 13px; color: var(--text-muted); margin-top: 8px; }
.career-meta span::before { content: '•'; margin-right: 16px; color: var(--border); }
.career-meta span:first-child::before { display: none; }
.general-application { margin-top: 48px; padding-top: 48px; border-top: 1px solid var(--border); }

/* Case study */
.case-study-blocks { margin-top: 32px; }
.case-block { padding: 24px; background: var(--bg-alt); border-radius: var(--radius-lg); margin-bottom: 16px; border: 1px solid var(--border); }
.case-block-highlight { background: rgba(11,78,162,.05); border-color: var(--primary); }

/* Article */
.article-header { margin-bottom: 32px; }
.article-header h1 { margin: 16px 0; }
.article-meta { display: flex; gap: 16px; color: var(--text-muted); font-size: 14px; }
.article-content { font-size: 1.05rem; }

/* Pagination */
.pagination { margin-top: 40px; }
.pagination-list { display: flex; gap: 4px; justify-content: center; }
.pagination-link, .pagination-prev, .pagination-next {
    display: flex; align-items: center; justify-content: center;
    min-width: 40px; height: 40px; border-radius: var(--radius);
    border: 1px solid var(--border); font-weight: 500; color: var(--text);
}
.pagination-link.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination-link:hover { border-color: var(--primary); color: var(--primary); }

/* Footer */
.site-footer { background: var(--bg-dark); color: #cbd5e1; }
.footer-main { padding: 64px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-logo { margin-bottom: 16px; }
.footer-col h4 { color: #fff; margin-bottom: 16px; font-size: 15px; }
.footer-col p { font-size: 14px; line-height: 1.7; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col a { color: #94a3b8; font-size: 14px; }
.footer-col a:hover { color: #fff; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a { width: 40px; height: 40px; background: rgba(255,255,255,.08); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #94a3b8; }
.footer-social a:hover { background: var(--primary); color: #fff; }
.footer-contact-list li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: 14px; }
.footer-contact-list svg { flex-shrink: 0; margin-top: 3px; color: var(--primary-light); }
.footer-bottom { padding: 20px 0; border-top: 1px solid rgba(255,255,255,.08); text-align: center; font-size: 13px; color: #64748b; }

/* WhatsApp float */
.whatsapp-float {
    position: fixed; bottom: 24px; right: 24px; width: 56px; height: 56px;
    background: #25D366; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    color: #fff; box-shadow: 0 4px 12px rgba(37,211,102,.4); z-index: 999;
    transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1); color: #fff; }

/* Error */
.error-section { padding: 120px 0; }
.error-section h1 { font-size: 6rem; color: var(--primary); }
.text-center { text-align: center; }

/* Responsive */
@media (max-width: 1024px) {
    .grid-4, .grid-5, .cert-grid, .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .content-layout { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .header-top { display: none; }
    .mobile-toggle { display: flex; }
    .main-nav {
        position: fixed; top: var(--header-height); left: 0; right: 0; bottom: 0;
        background: #fff; padding: 24px; transform: translateX(100%); transition: transform .3s ease;
        overflow-y: auto; z-index: 999;
    }
    .main-nav.open { transform: translateX(0); }
    .main-nav .nav-list { flex-direction: column; }
    .main-nav a { display: block; padding: 14px 0; font-size: 16px; border-bottom: 1px solid var(--border); }
    .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; padding-left: 16px; }
    .header-cta { display: none; }
    .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
    .hero { padding: 60px 0; }
    .hero-stats { gap: 24px; }
    .section { padding: 48px 0; }
    .contact-form .form-row { grid-template-columns: 1fr; }
    .career-card { flex-direction: column; align-items: flex-start; gap: 16px; }
    .footer-grid { grid-template-columns: 1fr; }
    .cert-grid, .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .cert-grid, .stats-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
}