/* --- Variables & Reset --- */
:root {
    --primary-color: #0a192f; /* Deep Navy - Authority */
    --secondary-color: #112240; /* Lighter Navy */
    --accent-color: #64ffda; /* Teal - Growth/Tech */
    --text-light: #ccd6f6;
    --text-dark: #333333;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: #f8f9fa;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif; /* Trustworthy serif for headers */
    color: var(--primary-color);
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* --- Buttons --- */
.btn-primary {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--accent-color);
    padding: 12px 30px;
    border: 1px solid var(--accent-color);
    border-radius: 4px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--white);
    padding: 12px 30px;
    border: 1px solid var(--white);
    border-radius: 4px;
    font-weight: 600;
    margin-left: 10px;
    transition: var(--transition);
}

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

/* --- Navigation --- */
.navbar {
    background-color: var(--primary-color);
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: var(--text-light);
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--accent-color);
}

.nav-btn {
    color: var(--accent-color) !important;
}

.menu-toggle {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--white);
    transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
    height: 90vh;
    background: linear-gradient(rgba(10, 25, 47, 0.85), rgba(10, 25, 47, 0.9)), url('https://images.unsplash.com/photo-1497366216548-37526070297c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: var(--white);
    position: relative;
}

.hero-content {
    z-index: 2;
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 600px;
}

.highlight {
    color: var(--accent-color);
}

/* --- Stats Section --- */
.stats {
    background-color: var(--accent-color);
    padding: 40px 0;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.stat-item h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 5px;
}

.stat-item p {
    color: var(--secondary-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
}

/* --- Common Layouts --- */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.section-subtitle {
    color: var(--accent-color);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
    background-color: var(--primary-color);
    display: inline-block;
    padding: 5px 10px;
    border-radius: 2px;
}

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

/* --- About Section --- */
.about-section {
    padding: 100px 0;
    background-color: var(--white);
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 20px 20px 0px var(--primary-color);
}

.check-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.check-list i {
    color: #10B981; /* Green check */
}

/* --- Services Section --- */
.services-section {
    padding: 100px 0;
    background-color: #f1f2f6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: var(--transition);
    border-top: 3px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-top: 3px solid var(--accent-color);
}

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

.featured-card h3, .featured-card p, .featured-card li {
    color: var(--text-light);
}

.icon-box {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.service-card ul {
    margin-top: 20px;
    padding-left: 20px;
}

.service-card li {
    list-style: disc;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

/* --- Feature Section --- */
.feature-section {
    padding: 100px 0;
}

.text-link {
    color: var(--primary-color);
    font-weight: 700;
    margin-top: 20px;
    display: inline-block;
}

/* --- Contact/CTA Section --- */
.cta-section {
    padding: 100px 0;
    background: var(--primary-color);
    color: var(--white);
}

.cta-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.cta-box h2 {
    color: var(--white);
    font-size: 2.5rem;
}

.contact-form {
    margin-top: 40px;
    text-align: left;
}

.form-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

input, select, textarea {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 4px;
    font-family: 'Inter', sans-serif;
}

.full-width {
    width: 100%;
    margin-top: 15px;
    cursor: pointer;
}

.small-text {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 15px;
}

/* --- Footer --- */
footer {
    background-color: #020c1b;
    color: var(--text-light);
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 30px;
    margin-bottom: 20px;
}

.footer-brand h3 {
    color: var(--white);
    margin-bottom: 5px;
}

.footer-links a {
    margin: 0 15px;
    font-size: 0.9rem;
}

.footer-social a {
    color: var(--white);
    font-size: 1.2rem;
    margin-left: 15px;
}

.copyright {
    text-align: center;
    font-size: 0.8rem;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        gap: 0;
        flex-direction: column;
        background-color: var(--primary-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding-bottom: 20px;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        display: block;
        padding: 20px 0;
    }

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

    .grid-2, .grid-4, .form-group {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}