:root {
    --navy: #1a2a44;
    --navy-light: #2c405e;
    --gray-dark: #333333;
    --gray-medium: #666666;
    --gray-light: #f4f4f4;
    --white: #ffffff;
    --accent: #3a7bd5;
    --text-color: #333333;
    --header-height: 80px;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

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

/* Header & Logo */
header {
    height: var(--header-height);
    background: var(--white);
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 55px;
    width: auto;
    display: block;
}

/* Navigation */
nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: var(--navy);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s;
}

nav ul li a:hover, nav ul li a.active {
    color: var(--accent);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--navy);
    margin: 2px 0;
    transition: all 0.3s;
}

.rotate-45 {
    transform: translateY(7px) rotate(45deg);
}

.opacity-0 {
    opacity: 0;
}

.rotate-neg-45 {
    transform: translateY(-7px) rotate(-45deg);
}

/* Hero Section */
.hero {
    position: relative;
    height: 600px;
    background: #000; /* Fallback */
    background: linear-gradient(rgba(26, 42, 68, 0.7), rgba(26, 42, 68, 0.7)), url('images/home-hero.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: var(--white);
}

.hero-content {
    max-width: 700px;
}

.hero h1, .page-header h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* Page Header (for non-home pages) */
.page-header {
    background-color: var(--navy);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 35px;
    text-decoration: none;
    font-weight: 700;
    border-radius: 4px;
    transition: all 0.3s;
    letter-spacing: 0.5px;
}

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

.btn-primary:hover {
    background-color: #2a6bc5;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--gray-light);
    transform: translateY(-2px);
}

/* Services Overview */
.services-overview {
    padding: 100px 0;
    background-color: var(--navy);
    color: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    font-weight: 700;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    color: var(--navy);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card .icon {
    margin-bottom: 25px;
    color: var(--accent);
}

.service-card h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--gray-medium);
    line-height: 1.5;
}

.ai-card {
    background: linear-gradient(135deg, #1a2a44 0%, #2c405e 100%);
    color: var(--white);
}

.ai-card .icon {
    color: var(--white);
}

.ai-card p {
    color: rgba(255,255,255,0.8);
}

/* CTA Bottom */
.cta-bottom {
    padding: 100px 0;
    background-color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--navy);
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: var(--gray-medium);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Footer */
footer {
    padding: 50px 0;
    background: #f8f9fa;
    border-top: 1px solid #eee;
    text-align: center;
}

footer p {
    font-size: 0.9rem;
    color: var(--gray-medium);
}

/* Responsive */
@media (max-width: 992px) {
    .hero h1, .page-header h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .hero h1, .page-header h1 {
        font-size: 2.2rem;
    }
    
    nav ul {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }
    
    nav ul.active {
        display: flex;
    }
    
    nav ul li {
        margin: 15px 0;
        margin-left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .logo-tagline {
        display: none;
    }
}