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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container { max-width: 1400px; margin: 0 auto; padding: 20px; }

.language-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.lang-btn {
    background: white;
    border: 2px solid rgba(102, 126, 234, 0.3);
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    color: #4a5568;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-decoration: none;
    display: inline-block;
}

.lang-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    border-color: #667eea;
}

header { text-align: center; margin-bottom: 40px; padding: 40px 0; }

h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    color: rgba(255,255,255,0.9);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.category-section { margin-bottom: 40px; }

.category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(255,255,255,0.2);
}

.category-icon { font-size: 1.5rem; color: white; }

.category-title {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.category-count {
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.tool-card {
    background: white;
    border-radius: 15px;
    padding: 25px 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.tool-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
    color: #667eea;
}

.tool-card h2 {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 10px;
}

.tool-card p {
    color: #666;
    font-size: 0.85rem;
    margin-bottom: 15px;
    line-height: 1.5;
}

.tool-btn {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tool-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.new-badge {
    display: inline-block;
    background: #ef4444;
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-left: 5px;
}

.features {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    margin: 50px 0;
}

.features h2 {
    text-align: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 30px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.feature-item { text-align: center; color: white; }
.feature-icon { font-size: 2.5rem; margin-bottom: 15px; }
.feature-item h3 { margin-bottom: 10px; font-size: 1.2rem; }
.feature-item p { opacity: 0.9; font-size: 0.95rem; }

footer { text-align: center; padding: 30px 0; color: rgba(255,255,255,0.8); }
.footer-links { margin-bottom: 20px; }

.footer-links a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    margin: 0 15px;
    transition: color 0.3s ease;
}

.footer-links a:hover { color: white; }
.copyright { font-size: 0.9rem; opacity: 0.8; }

@media (max-width: 1400px) {
    .tools-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 1100px) {
    .tools-grid { grid-template-columns: repeat(3, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    .tools-grid { grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .tool-card { padding: 20px 15px; }
    .features { padding: 25px; }
    .features-grid { grid-template-columns: 1fr; gap: 20px; }
    .language-selector { top: 10px; right: 10px; }
}

@media (max-width: 480px) {
    .tools-grid { grid-template-columns: 1fr; }
}