:root {
    /* Light Mode Colors */
    --primary-color: #1a3a52;
    --secondary-color: #dc3545;
    --accent-color: #00d4ff;
    --bg-color: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-color: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --card-bg: #ffffff;
    --navbar-bg: rgba(255, 255, 255, 0.98);
    --footer-bg: #1a3a52;
    --footer-text: #ffffff;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --section-padding: 80px 0;

    /* Transitions */
    --transition-speed: 0.3s;
}

[data-theme="dark"] {
    /* Dark Mode Colors - Strong Contrast */
    --primary-color: #00d4ff;
    --secondary-color: #ff4757;
    --accent-color: #00d4ff;
    --bg-color: #0f1419;
    --bg-secondary: #1a1f26;
    --text-color: #e8eaed;
    --text-secondary: #9aa0a6;
    --border-color: #2d3339;
    --card-bg: #1a1f26;
    --navbar-bg: rgba(15, 20, 25, 0.98);
    --footer-bg: #0a0d10;
    --footer-text: #ffffff;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color var(--transition-speed), color var(--transition-speed);
    overflow-x: hidden;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Navbar Styles */
.navbar {
    background-color: var(--navbar-bg);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    transition: all var(--transition-speed);
}

.navbar .logo {
    height: 80px;
    width: auto;
    transition: transform var(--transition-speed);
}

.navbar .logo:hover {
    transform: scale(1.05);
}

.navbar-nav .nav-link {
    color: var(--text-color);
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color var(--transition-speed);
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-speed);
}

.navbar-nav .nav-link:hover::after {
    width: 100%;
}

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

.btn-theme-toggle,
.btn-language {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    margin-left: 0.5rem;
    transition: all var(--transition-speed);
    font-weight: 500;
}

.btn-theme-toggle:hover,
.btn-language:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(26, 58, 82, 0.95) 0%, rgba(44, 95, 127, 0.95) 100%),
        url('../assets/hero-bg.jpg') center center / cover no-repeat;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(220, 53, 69, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 0.8;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #ffffff;
    margin-bottom: 2.5rem;
    font-weight: 400;
}

.hero-buttons .btn {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all var(--transition-speed);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--secondary-color);
    border: none;
    color: white;
}

.btn-primary:hover {
    background: #c82333;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(220, 53, 69, 0.3);
}

.btn-outline-light {
    border: 2px solid white;
    color: white;
}

.btn-outline-light:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styles */
.features-section,
.benefits-section,
.contact-section {
    padding: var(--section-padding);
}

.section-header {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* Feature Cards */
.feature-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    transition: all var(--transition-speed);
    border: 1px solid var(--border-color);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform var(--transition-speed);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    transition: all var(--transition-speed);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Benefits Section */
.benefits-section {
    background: var(--bg-secondary);
}

.benefit-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all var(--transition-speed);
    border: 1px solid var(--border-color);
    height: 100%;
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.benefit-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--secondary-color), #ff6b7a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    transition: all var(--transition-speed);
}

.benefit-card:hover .benefit-icon {
    transform: scale(1.1) rotate(-5deg);
}

.benefit-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.benefit-description {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Contact Section */
.contact-section {
    background: var(--bg-color);
}

.contact-info {
    padding-right: 2rem;
}

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

.contact-details {
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    transition: all var(--transition-speed);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.contact-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-right: 1.5rem;
    margin-top: 0.2rem;
}

.contact-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-speed);
}

.contact-item a:hover {
    color: var(--secondary-color);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.contact-form .form-label {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.contact-form .form-control {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-color);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    transition: all var(--transition-speed);
}

.contact-form .form-control:focus {
    background: var(--bg-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(26, 58, 82, 0.15);
    color: var(--text-color);
}

.contact-form .btn-primary {
    padding: 0.75rem 2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 8px;
}

.form-message {
    padding: 1rem;
    border-radius: 8px;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

/* Footer */
.footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 2.5rem 0;
    margin-top: 0;
}

.footer-logo {
    height: 80px;
    width: auto;
}

.footer-text {
    color: var(--footer-text);
    font-size: 0.95rem;
}

.footer-links a {
    color: var(--footer-text);
    text-decoration: none;
    transition: color var(--transition-speed);
    font-weight: 500;
}

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

/* RTL Support */
[dir="rtl"] {
    direction: rtl;
}

[dir="rtl"] .navbar-nav {
    margin-right: 0;
    margin-left: auto;
}

[dir="rtl"] .contact-item {
    flex-direction: row-reverse;
}

[dir="rtl"] .contact-item i {
    margin-right: 0;
    margin-left: 1.5rem;
}

[dir="rtl"] .contact-info {
    padding-right: 0;
    padding-left: 2rem;
}

/* Responsive Design */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .contact-info {
        padding-right: 0;
        margin-bottom: 2rem;
    }

    [dir="rtl"] .contact-info {
        padding-left: 0;
    }
}

@media (max-width: 767px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
        margin-bottom: 0.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .navbar .logo {
        height: 60px;
    }

    .footer-logo {
        height: 60px;
    }
}