:root {
    --navy-blue: #0A192F;
    --navy-light: #112240;
    --charcoal: #1E293B;
    --charcoal-light: #334155;
    --silver: #94A3B8;
    --gold: #F59E0B;
    --gold-hover: #D97706;
    --white: #F8FAFC;
    --accent: #3B82F6;
    --bg-dark: #0f172a;
    --glass-bg: rgba(15, 23, 42, 0.7);
    --border-color: rgba(148, 163, 184, 0.1);
}

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

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    letter-spacing: 2px;
    font-size: 1.2rem;
    color: var(--white);
}

.nav-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--silver);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
}

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

.btn-login {
    background: transparent;
    border: 1px solid var(--gold);
    color: var(--gold);
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.3s;
}

.btn-login:hover {
    background: var(--gold);
    color: var(--navy-blue);
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.4);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(10, 25, 47, 0.8), rgba(15, 23, 42, 0.95)), url('assets/images/hero_bg.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    padding: 0 5%;
    margin-top: 0;
}

.hero-content {
    max-width: 800px;
    animation: fadeIn 1s ease-out;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--white), var(--silver));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--silver);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.btn-primary:hover {
    background: #2563EB;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

/* Sections & Grid */
.section-container {
    padding: 6rem 5%;
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-title::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}

.grid {
    display: grid;
    gap: 2rem;
}

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

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

/* Cards */
.card {
    background: var(--navy-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: rgba(59, 130, 246, 0.3);
}

.card:hover::after {
    transform: scaleX(1);
}

.formation-card .card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.formation-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.formation-card p {
    color: var(--silver);
    font-size: 0.95rem;
}

/* Personnel Cards */
.personnel-card {
    padding: 0;
    text-align: center;
}

.personnel-card::after {
    background: var(--gold);
}

.profile-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
    filter: grayscale(20%) contrast(110%);
    transition: filter 0.3s;
}

.personnel-card:hover .profile-img {
    filter: grayscale(0%) contrast(100%);
}

.personnel-info {
    padding: 1.5rem;
}

.badge-num {
    display: inline-block;
    background: rgba(245, 158, 11, 0.1);
    color: var(--gold);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.personnel-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

.personnel-info .rank {
    color: var(--silver);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Modal Intranet */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 47, 0.9);
    backdrop-filter: blur(5px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--charcoal);
    padding: 3rem;
    border-radius: 8px;
    width: 100%;
    max-width: 400px;
    position: relative;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: translateY(0);
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 1.5rem;
    color: var(--silver);
    cursor: pointer;
    transition: color 0.3s;
}

.close-btn:hover {
    color: var(--white);
}

.modal-header {
    text-align: center;
    margin-bottom: 2rem;
}

.modal-header .shield {
    margin: 0 auto 1rem;
    width: 32px;
    height: 40px;
}

.modal-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.modal-header p {
    color: var(--silver);
    font-size: 0.9rem;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--silver);
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--navy-light);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--white);
    font-family: 'Inter', sans-serif;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.full-width {
    width: 100%;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--silver);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .nav-links {
        display: none;
    }
}