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

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

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

/* Header */
header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.logo {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    background: #4CAF50;
    border-radius: 5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #4CAF50;
}

/* Hero Section */
.hero {
    position: relative;
    height: 600px;
    background-image: url('/images/hero-background-tech.jpg');
    background-size: cover;
    background-position: center;
    margin-top: 80px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}


.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.hero h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    opacity: 0.9;
}

.cta-button {
    background: #4CAF50;
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 30px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.4);
}

.cta-button:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.6);
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #f8f9fa;
}

.feature-intro {
    text-align: center;
    margin-bottom: 50px;
}

.feature-intro h3 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.feature-intro p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1rem !important;
    color: #888 !important;
}

.feature-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    margin-top: 60px;
}

.computer-mockup {
    position: relative;
}

.screen {
    width: 400px;
    height: 250px;
    background: #1a1a1a;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.screen-content {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 5px;
    padding: 15px;
}

.table-header {
    background: #f0f0f0;
    padding: 10px;
    font-weight: bold;
    border-radius: 5px 5px 0 0;
    border-bottom: 2px solid #ddd;
}

.table-rows {
    padding: 10px 0;
}

.table-row {
    height: 25px;
    background: #f9f9f9;
    margin-bottom: 5px;
    border-radius: 3px;
}

.computer-base {
    width: 450px;
    height: 30px;
    background: linear-gradient(145deg, #e0e0e0, #c0c0c0);
    margin: 0 auto;
    border-radius: 0 0 20px 20px;
}

.keyboard {
    width: 500px;
    height: 20px;
    background: linear-gradient(145deg, #f0f0f0, #d0d0d0);
    margin: 10px auto;
    border-radius: 10px;
}

.excel-icon {
    text-align: center;
}

.excel-icon img {
    width: 60px;
    height: 60px;
    background: #217346;
    border-radius: 10px;
    margin-bottom: 10px;
}

.excel-icon p {
    font-size: 0.9rem;
    color: #666;
}

/* Mobile Features Section */
.mobile-features {
    padding: 80px 0;
    background: white;
}

.mobile-features h3 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 60px;
    color: #333;
}

.mobile-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.mobile-mockup {
    flex: 0 0 300px;
}

.mobile-screen {
    width: 250px;
    height: 450px;
    background: linear-gradient(145deg, #333, #222);
    border-radius: 30px;
    padding: 30px 20px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
    transform: rotate(-10deg);
}

.mobile-header {
    background: #4CAF50;
    color: white;
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    font-weight: bold;
    margin-bottom: 20px;
}

.mobile-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mobile-item {
    height: 60px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.feature-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    background: #f0f8ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
    line-height: 1.4;
}

.feature-text p {
    color: #666;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.contact-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 40px;
    line-height: 1.4;
}

.contact-details {
    margin-bottom: 40px;
}

.contact-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-logo img {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 10px;
    margin-right: 15px;
}

.contact-logo span {
    font-size: 1.5rem;
    font-weight: bold;
}

.contact-text p {
    margin-bottom: 10px;
    opacity: 0.9;
}

.contact-methods {
    margin-top: 30px;
}

.contact-method {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.contact-button {
    background: #4CAF50;
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 30px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.contact-button:hover {
    background: #45a049;
    transform: translateY(-2px);
}

.contact-features {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature-badge {
    background: rgba(255,255,255,0.1);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.badge-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.feature-badge p {
    line-height: 1.6;
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 1.3rem;
    }
    
    
    .feature-visual {
        flex-direction: column;
        gap: 30px;
    }
    
    .screen {
        width: 300px;
        height: 200px;
    }
    
    .computer-base {
        width: 350px;
    }
    
    .keyboard {
        width: 400px;
    }
    
    .mobile-content {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 20px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    
    .screen {
        width: 280px;
        height: 180px;
    }
    
    .computer-base {
        width: 320px;
    }
    
    .keyboard {
        width: 350px;
    }
    
    .mobile-screen {
        width: 200px;
        height: 360px;
    }
}