:root {
    --primary-color: #1A237E;
    --accent-color: #FF6F00;
    --dark-bg: #0d1421;
    --light-gray: #f8f9fa;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Navigation */
.navbar {
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    transition: transform 0.3s ease;
}

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

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
    margin: 0 5px;
}

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

/* Hero Section */
.hero-section {
    height: 100vh;
    position: relative;
    overflow: hidden;
    text-align: center;
    color: white;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-content .subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.hero-content .description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.btn-custom {
    padding: 12px 30px;
    margin: 0 10px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-primary-custom {
    background: var(--accent-color);
    color: white;
    border: 2px solid var(--accent-color);
}

.btn-primary-custom:hover {
    background: transparent;
    color: var(--accent-color);
    transform: translateY(-2px);
}

.btn-secondary-custom {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary-custom:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Feature Sections */
.feature-section {
    padding: 80px 0;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

/* Screenshot Gallery */
.screenshot-gallery {
    background: var(--light-gray);
    padding: 80px 0;
}

.screenshot-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    margin-bottom: 30px;
}

.screenshot-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.screenshot-item:hover img {
    transform: scale(1.05);
}

.screenshot-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.screenshot-item:hover .screenshot-overlay {
    transform: translateY(0);
}

/* Company Info */
.company-section {
    background: var(--primary-color);
    color: white;
    padding: 80px 0;
}

.contact-info {
    background: rgba(255,255,255,0.1);
    padding: 30px;
    border-radius: 15px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 40px 0 20px;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content .subtitle {
        font-size: 1.2rem;
    }
    
    .hero-content .description {
        font-size: 1rem;
    }
    
    .btn-custom {
        display: block;
        margin: 10px 0;
    }
}

/* Banner Slider Styles */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    background: linear-gradient(135deg, var(--primary-color) 0%, #3F51B5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-slide.active {
    opacity: 1;
    z-index: 1;
}

.hero-slide:first-child {
    opacity: 1;
    z-index: 1;
}

.hero-slide:nth-child(2) {
    background: linear-gradient(135deg, #1A237E 0%, #303F9F 100%);
}

.hero-slide:nth-child(3) {
    background: linear-gradient(135deg, #0D47A1 0%, #1976D2 100%);
}

.hero-slide:nth-child(4) {
    background: linear-gradient(135deg, #4A148C 0%, #7B1FA2 100%);
}

.hero-slide:nth-child(5) {
    background: linear-gradient(135deg, #1565C0 0%, #42A5F5 100%);
}

.hero-slide:nth-child(6) {
    background: linear-gradient(135deg, #00695C 0%, #26A69A 100%);
}

.slider-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: white;
    transform: scale(1.2);
}

/* Logo Display Styles */
.logo-display {
    text-align: center;
    margin: 40px 0;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.logo-display img {
    max-width: 300px;
    height: auto;
    background: var(--primary-color);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* 3 Column Software Interface */
.software-interface {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 50px 0;
}

.interface-column {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--accent-color);
}

.interface-column:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.15);
}

.interface-column h4 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.interface-column ul {
    list-style: none;
    padding: 0;
}

.interface-column li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 10px;
}

.interface-column li:last-child {
    border-bottom: none;
}

.interface-column li i {
    color: var(--accent-color);
    width: 16px;
}

/* Modern Technical Specifications */
.tech-specs-modern {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 60px 0;
    margin: 50px 0;
    border-radius: 20px;
}

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

.spec-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.spec-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.spec-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.spec-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.spec-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.spec-title {
    color: var(--primary-color);
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0;
}

.spec-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.spec-list li {
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.spec-list li:last-child {
    border-bottom: none;
}

.spec-label {
    font-weight: 500;
    color: #666;
}

.spec-value {
    font-weight: 600;
    color: var(--primary-color);
    background: #f8f9fa;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .software-interface {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .spec-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .interface-column {
        padding: 20px;
    }
    
    .spec-card {
        padding: 20px;
    }
}

/* Hero Feature Styles */
.hero-feature {
    padding: 15px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.hero-feature:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.hero-feature i {
    display: block;
    margin-bottom: 10px;
}

.hero-feature strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.hero-feature small {
    opacity: 0.9;
    font-size: 0.85rem;
}

/* Applications Page Styles */
.diagram-icon {
    width: 80px;
    height: 80px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 2rem;
    color: white;
}

.diagram-item {
    text-align: center;
    padding: 20px;
    transition: transform 0.3s ease;
}

.diagram-item:hover {
    transform: translateY(-5px);
}

.diagram-container {
    position: relative;
}

.integration-diagram .alert {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    border: none;
    border-radius: 10px;
    border-left: 4px solid var(--accent-color);
}

/* Application page responsiveness */
@media (max-width: 768px) {
    .diagram-item {
        padding: 15px;
    }
    
    .diagram-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}