:root {
    --primary: #003366;
    --primary-light: #004d99;
    --secondary: #FF9800;
    --secondary-dark: #F57C00;
    --accent: #00BCD4;
    --bg-light: #F8FAFC;
    --bg-white: #FFFFFF;
    --text-dark: #1E293B;
    --text-muted: #64748B;
    --ice-blue: #E3F2FD;
    --success: #10B981;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

h1,
h2,
h3,
h4,
.logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Nav */
.main-header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo a {
    text-decoration: none;
    color: var(--primary);
    font-size: 1.5rem;
}

.logo-accent {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--secondary);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #001f3f 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: 0;
    width: 100%;
    height: 100px;
    background: var(--bg-light);
    transform: skewY(-2deg);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Cards & Sections */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.card:hover {
    transform: translateY(-5px);
}

.card i {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

/* Footer */
.main-footer {
    background-color: var(--primary);
    color: white;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-info h3 {
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    margin-bottom: 10px;
}

.footer-links a:hover {
    color: var(--secondary);
}

.footer-contact {
    font-style: normal;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: var(--transition);
}

.footer-contact a:hover {
    color: var(--secondary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* SEO Utilities */
.bold-data {
    font-weight: 700;
    color: var(--primary);
}

/* Technical Table */
.tech-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.tech-table th,
.tech-table td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}

.tech-table th {
    background-color: var(--primary);
    color: white;
}

.tech-table tr:nth-child(even) {
    background-color: var(--ice-blue);
}

/* UI Enhancements */
.mt-20 {
    margin-top: 20px;
}

.mt-30 {
    margin-top: 30px;
}

.mt-50 {
    margin-top: 50px;
}

.full-width {
    width: 100%;
}

.text-center {
    text-align: center;
}

.text-white {
    color: white;
}

.shadow-lg {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.bg-primary {
    background-color: var(--primary);
}

.bg-ice {
    background-color: var(--ice-blue);
}

.bg-white {
    background-color: var(--bg-white);
}

.hero-small {
    padding: 60px 0;
    text-align: left;
}

.hero-small h1 {
    font-size: 2.5rem;
}

/* Form Styling */
.form-group {
    margin-bottom: 15px;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid #CBD5E1;
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 2px rgba(255, 152, 0, 0.2);
}

/* Contact Items */
.info-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-top: 5px;
}

.social-links-contact {
    display: flex;
    gap: 20px;
    margin-top: 15px;
}

.social-links-contact a {
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition);
}

.social-links-contact a:hover {
    color: var(--secondary);
    transform: scale(1.1);
}

.img-responsive {
    max-width: 100%;
    height: auto;
}

.rounded {
    border-radius: 12px;
}

/* Breadcrumbs */
.breadcrumb-nav {
    background: #f8f9fa;
    padding: 12px 0;
    margin-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
}

.breadcrumb {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.9rem;
    margin: 0;
    padding: 0;
}

.breadcrumb li::after {
    content: '›';
    margin-left: 8px;
    color: #6c757d;
}

.breadcrumb li:last-child::after {
    content: '';
}

.breadcrumb li:last-child {
    color: #6c757d;
}

.breadcrumb a {
    color: #003366;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Skip to Content */
.skip-to-main {
    position: absolute;
    left: -9999px;
    z-index: 999;
    padding: 10px 20px;
    background: #28a745;
    color: white;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
}

.skip-to-main:focus {
    left: 10px;
    top: 10px;
}

/* Responsive */
@media (max-width: 768px) {

    .nav-links,
    .header-cta {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .footer-grid,
    .grid-2 {
        grid-template-columns: 1fr;
    }
}