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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f5f7fb;
    color: #333;
    line-height: 1.8;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: 1200px;
    max-width: 95%;
    margin: auto;
}

/* Header */
.header {
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

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

.logo-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 24px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.logo-title {
    font-size: 22px;
    font-weight: bold;
    color: #1f2937;
}

.logo-domain {
    font-size: 12px;
    color: #6b7280;
}

nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

nav a {
    color: #4b5563;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 16px;
    border-radius: 8px;
}

nav a:hover {
    color: #667eea;
    background: #f3f4f6;
}

nav a.active {
    color: #667eea;
    background: #eef2ff;
    font-weight: 500;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff10" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,213.3C1248,235,1344,213,1392,202.7L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
}

.hero-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 30px;
    opacity: 0.95;
}

.btn-group {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: #fff;
    color: #667eea;
}

.btn-primary:hover {
    background: #f3f4f6;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-blue {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-blue:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #667eea;
    border-color: #667eea;
}

.btn-outline:hover {
    background: #667eea;
    color: #fff;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}

.tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.tags span {
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.stat-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

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

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 15px;
}

.section-title p {
    font-size: 18px;
    color: #6b7280;
}

/* Software Grid */
.software-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.software-card {
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.software-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.software-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.software-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 12px;
}

.software-desc {
    color: #6b7280;
    margin-bottom: 20px;
    line-height: 1.6;
}

.software-features {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.feature-tag {
    background: #f3f4f6;
    color: #4b5563;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 13px;
}

.software-links {
    display: flex;
    gap: 10px;
}

/* Features Section */
.features-section {
    background: #fff;
}

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

.feature-item {
    text-align: center;
    padding: 30px;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
    margin: 0 auto 20px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.feature-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 12px;
}

.feature-item p {
    color: #6b7280;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: #1f2937;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

.footer-section p {
    color: #9ca3af;
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #9ca3af;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #667eea;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 30px;
    text-align: center;
    color: #9ca3af;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-wrap {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .btn-group {
        justify-content: center;
    }
    
    .tags {
        justify-content: center;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .software-grid {
        grid-template-columns: 1fr;
    }
    
    .nav {
        flex-direction: column;
        height: auto;
        padding: 20px 0;
    }
    
    nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}