/* System Colors */
:root {
    --primary-color: #6295A2;
    --secondary-color: #1A3636;
    --accent-color: #8D9490;
    --dark-bg: #212121;
    --dark-panel: #303030;
    --dark-control: #424242;
    --text-light: #E0E0E0;
    --text-muted: #BDBDBD;
    --error-color: #D32F2F;
    --success-color: #657585;
    --border-color: #505050;
    --hover-color: #555555;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
}

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

.hidden {
    display: none !important;
}

/* Password Screen */
.password-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--secondary-color) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.password-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.password-box {
    background: var(--dark-panel);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    text-align: center;
}

.password-box h2 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 28px;
}

.password-box p {
    color: var(--text-muted);
    margin-bottom: 25px;
    font-size: 16px;
}

#passwordInput {
    width: 100%;
    padding: 15px;
    background: var(--dark-control);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    direction: ltr;
    text-align: center;
}

#passwordInput:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(98, 149, 162, 0.2);
}

.btn-primary {
    width: 100%;
    padding: 15px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #507A85;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(98, 149, 162, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.error-message {
    color: var(--error-color);
    margin-top: 15px;
    font-size: 14px;
    min-height: 20px;
}

/* Header */
.header {
    background: var(--secondary-color);
    padding: 30px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-bottom: 2px solid var(--primary-color);
}

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

.logo {
    font-size: 64px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.tagline {
    font-size: 20px;
    color: var(--text-muted);
    font-weight: 300;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--secondary-color) 50%, var(--dark-bg) 100%);
}

.hero-title {
    font-size: 48px;
    color: var(--text-light);
    margin-bottom: 20px;
    font-weight: 600;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-muted);
    font-weight: 300;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--dark-bg);
}

.section-title {
    font-size: 36px;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 50px;
    font-weight: 600;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: var(--dark-panel);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(98, 149, 162, 0.2);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    color: var(--primary-color);
    font-size: 22px;
    margin-bottom: 15px;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.8;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--dark-panel);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.8;
    text-align: justify;
}

/* Company Section */
.company {
    padding: 80px 0;
    background: var(--dark-bg);
}

.company-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.company-card {
    background: var(--dark-panel);
    padding: 35px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.company-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(98, 149, 162, 0.2);
    border-color: var(--primary-color);
}

.company-card h3 {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 20px;
    font-weight: 600;
}

.company-card p {
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.8;
    text-align: justify;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    padding: 40px 0;
    text-align: center;
    border-top: 2px solid var(--primary-color);
}

.footer-content p {
    color: var(--text-muted);
    font-size: 14px;
    margin: 5px 0;
}

.footer-note {
    color: var(--text-light) !important;
    font-weight: 300;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .section-title {
        font-size: 28px;
    }

    .features-grid,
    .company-content {
        grid-template-columns: 1fr;
    }

    .logo {
        font-size: 48px;
    }

    .tagline {
        font-size: 18px;
    }
}

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

.main-content {
    animation: fadeIn 0.5s ease-in;
}

.feature-card,
.company-card {
    animation: fadeIn 0.6s ease-in;
}