:root {
    --primary-dark: #0B2C4D;
    --accent-blue: #00D4FF;
    --text-light: #FFFFFF;
    --text-secondary: #B0C4DE;
    --bg-overlay: rgba(11, 44, 77, 0.85);
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-light);
    background: var(--primary-dark);
    line-height: 1.6;
}

/* Sidebar Navigation */
.sidebar-nav {
    position: fixed;
    top: 0; left: 0;
    width: 220px; height: 100vh;
    background: var(--bg-overlay);
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.nav-logo {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.logo-icon {
    font-size: 2rem;
    margin-right: 0.5rem;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--accent-blue);
}

.nav-list {
    list-style: none;
}

.nav-item {
    margin-bottom: 1rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Main Content */
.main-content {
    margin-left: 220px;
    min-height: 100vh;
}

.container {
    width: 90%; max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 0;
}

/* Hero */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    z-index: -2;
}

.overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--bg-overlay);
    z-index: -1;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.btn-primary {
    background: var(--accent-blue);
    color: var(--primary-dark);
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.3s;
}

.btn-primary:hover {
    background: #00aacc;
}

/* Sections */
.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

.lead {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.features, .philo-cards, .services-list, .case-studies {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card, .philo-card, .service-card, .case-card {
    background: rgba(255,255,255,0.05);
    padding: 2rem;
    border-radius: 8px;
}

.service-card img, .case-card img {
    width: 100%; height: 200px; object-fit: cover; border-radius: 4px; margin-bottom: 1rem;
}

/* About Story */
.about-story {
    display: flex; gap: 2rem; align-items: center;
}

.story-text {
    flex: 1;
}

.story-img img {
    max-width: 400px; border-radius: 8px;
}

/* Footer */
.footer {
    background: #071d33;
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer h4 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.footer ul {
    list-style: none;
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
    line-height: 1.8;
}

.footer a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar-nav {
        position: relative;
        width: 100%; height: auto;
        flex-direction: row;
        justify-content: space-around;
    }
    .main-content {
        margin-left: 0;
    }
    .about-story {
        flex-direction: column;
    }
}