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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* Header Styles */
header {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    padding: 3rem 0;
    text-align: center;
    color: white;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

header h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #fff, #f0f8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

header p {
    font-size: 1.3rem;
    opacity: 0.9;
    font-weight: 300;
}

/* Navigation Styles */
nav {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

nav a:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Main Content */
main {
    background: white;
    margin: 2rem auto;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    min-height: 600px;
    position: relative;
    overflow: hidden;
}

main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb, #f5576c);
}

/* Home Section */
#home h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    text-align: center;
}

#home > p {
    font-size: 1.2rem;
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Feature Cards */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    color: white;
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    transform: rotate(45deg);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(102, 126, 234, 0.4);
}

.feature-card:hover::before {
    transform: rotate(45deg) translate(20px, 20px);
}

.feature-card:nth-child(2) {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    box-shadow: 0 15px 35px rgba(240, 147, 251, 0.3);
}

.feature-card:nth-child(2):hover {
    box-shadow: 0 25px 50px rgba(240, 147, 251, 0.4);
}

.feature-card:nth-child(3) {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    box-shadow: 0 15px 35px rgba(79, 172, 254, 0.3);
}

.feature-card:nth-child(3):hover {
    box-shadow: 0 25px 50px rgba(79, 172, 254, 0.4);
}

.feature-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.feature-card p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    position: relative;
    z-index: 2;
}

.feature-card button {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 1rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
}

.feature-card button:hover {
    background: white;
    color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Tool Sections */
.tool-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 3rem;
    border-radius: 20px;
    margin-bottom: 2rem;
    border: 1px solid #dee2e6;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.tool-section h2 {
    color: #2c3e50;
    margin-bottom: 2rem;
    font-size: 2rem;
    text-align: center;
}

/* Form Elements */
textarea, select {
    width: 100%;
    padding: 1.5rem;
    border: 2px solid #e9ecef;
    border-radius: 15px;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    resize: vertical;
    font-family: inherit;
    transition: all 0.3s ease;
    background: white;
}

textarea:focus, select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

textarea {
    min-height: 150px;
}

/* Buttons */
button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1.2rem 2.5rem;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

button:hover::before {
    left: 100%;
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

button:disabled:hover {
    transform: none;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

/* Result Box */
.result-box {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 15px;
    padding: 2rem;
    margin-top: 1.5rem;
    min-height: 120px;
    white-space: pre-wrap;
    line-height: 1.8;
    font-size: 1rem;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.05);
    position: relative;
}

.result-box:not(:empty) {
    border-color: #667eea;
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: white;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    margin-top: 2rem;
}

/* Loading Animation */
@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.loading {
    animation: pulse 1.5s infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }
    
    header p {
        font-size: 1.1rem;
    }
    
    nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    main {
        margin: 1rem;
        padding: 2rem;
    }
    
    .feature-card {
        padding: 2rem;
    }
    
    .tool-section {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    main {
        padding: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .tool-section {
        padding: 1.5rem;
    }
}

/* Smooth Animations */
* {
    transition: all 0.3s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #764ba2, #667eea);
}