/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #34495E;
    background-color: #FFFFFF;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    color: #2C3E50;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: #E74C3C;
    color: #FFFFFF;
}

.btn-primary:hover {
    background-color: #C0392B;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: #3498DB;
    color: #FFFFFF;
}

.btn-secondary:hover {
    background-color: #2980B9;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: #3498DB;
    border: 2px solid #3498DB;
}

.btn-outline:hover {
    background-color: #3498DB;
    color: #FFFFFF;
}

/* Header */
.header {
    background-color: #FFFFFF;
    box-shadow: 0 2px 10px rgba(44, 62, 80, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    padding: 16px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand .brand-link {
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: 'Montserrat', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: #2C3E50;
    line-height: 1;
}

.brand-tagline {
    font-size: 12px;
    color: #3498DB;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    text-decoration: none;
    color: #2C3E50;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #3498DB;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #2C3E50;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #2C3E50 0%, #3498DB 100%);
    color: #FFFFFF;
    padding: 120px 0 80px;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 24px;
    color: #FFFFFF;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 32px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 16px;
    color: #2C3E50;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    margin-bottom: 48px;
    color: #34495E;
    opacity: 0.8;
}

/* Services Section */
.services {
    background-color: #F8F9FA;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.service-card {
    background-color: #FFFFFF;
    padding: 32px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(44, 62, 80, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(44, 62, 80, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background-color: #3498DB;
    border-radius: 50%;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #FFFFFF;
}

.service-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #2C3E50;
}

.service-card p {
    margin-bottom: 20px;
    color: #34495E;
}

.service-card ul {
    list-style: none;
    text-align: left;
}

.service-card li {
    padding: 4px 0;
    color: #34495E;
    position: relative;
    padding-left: 20px;
}

.service-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #27AE60;
    font-weight: bold;
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.portfolio-item {
    background-color: #FFFFFF;
    padding: 32px;
    border-radius: 10px;
    border-left: 4px solid #3498DB;
    box-shadow: 0 5px 20px rgba(44, 62, 80, 0.1);
    transition: transform 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-3px);
}

.portfolio-item h3 {
    font-size: 22px;
    margin-bottom: 16px;
    color: #2C3E50;
}

.portfolio-item p {
    margin-bottom: 20px;
    color: #34495E;
}

.portfolio-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    background-color: #3498DB;
    color: #FFFFFF;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

/* About Section */
.about {
    background-color: #F8F9FA;
}

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

.about-content h2 {
    font-size: 36px;
    margin-bottom: 24px;
    color: #2C3E50;
}

.about-content > p {
    font-size: 18px;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: #34495E;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature {
    display: flex;
    align-items: flex-start;
    text-align: left;
    background-color: #FFFFFF;
    padding: 32px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(44, 62, 80, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: #27AE60;
    border-radius: 50%;
    margin-right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #FFFFFF;
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #2C3E50;
}

.feature-content p {
    color: #34495E;
}

/* Contact Section */
.contact {
    padding: 80px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    background-color: #F8F9FA;
    padding: 40px;
    border-radius: 10px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2C3E50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #E5E5E5;
    border-radius: 5px;
    font-size: 16px;
    font-family: 'Open Sans', sans-serif;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498DB;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-info {
    padding: 40px 0;
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 32px;
    color: #2C3E50;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    color: #34495E;
}

.contact-item i {
    width: 24px;
    height: 24px;
    margin-right: 16px;
    color: #3498DB;
}

/* Footer */
.footer {
    background-color: #2C3E50;
    color: #FFFFFF;
    padding: 48px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 16px;
    color: #FFFFFF;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: #BDC3C7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #3498DB;
}

.footer-contact p {
    margin-bottom: 8px;
    color: #BDC3C7;
}

.footer-bottom {
    border-top: 1px solid #34495E;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: #BDC3C7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #3498DB;
}

/* Icon Styles */
.icon-erp:before { content: "🏢"; }
.icon-billing:before { content: "💰"; }
.icon-inventory:before { content: "📦"; }
.icon-custom:before { content: "⚙️"; }
.icon-fast:before { content: "⚡"; }
.icon-price:before { content: "💲"; }
.icon-support:before { content: "🎧"; }
.icon-website:before { content: "🌐"; }
.icon-email:before { content: "✉️"; }
.icon-phone:before { content: "📞"; }

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .container {
        padding: 0 16px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .feature {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-icon {
        margin-right: 0;
        margin-bottom: 16px;
    }
}

@media (max-width: 480px) {
    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .contact-form,
    .contact-info {
        padding: 24px;
    }
}