:root {
    --primary: #4361ee;
    --secondary: #3a0ca3;
    --accent: #f72585;
    --light: #f8f9fa;
    --dark: #212529;
    --success: #4cc9f0;
    --warning: #f8961e;
    --danger: #ef233c;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: var(--dark);
    line-height: 1.6;
}

header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 1rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo i {
    margin-right: 0.5rem;
    color: var(--accent);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent);
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--accent);
}

.hero {
    padding: 5rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    color: white;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.8);
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.features {
    padding: 5rem 0;
    background-color: white;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-title p {
    color: #6c757d;
    max-width: 700px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-align: center;
    border-bottom: 4px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-bottom: 4px solid var(--primary);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.how-it-works {
    padding: 5rem 0;
    background-color: #f5f7fa;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.step h3 {
    text-align: center;
    margin-bottom: 1rem;
    margin-top: 0.5rem;
    color: var(--primary);
}

.pricing {
    padding: 5rem 0;
    background-color: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 2px solid #e9ecef;
    text-align: center;
    transition: all 0.3s ease;
}

.pricing-card.popular {
    border-color: var(--primary);
    transform: scale(1.05);
    position: relative;
    z-index: 1;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    right: -12px;
    background-color: var(--accent);
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.price {
    font-size: 3rem;
    margin: 1.5rem 0;
    color: var(--primary);
}

.price span {
    font-size: 1rem;
    color: #6c757d;
}

.features-list {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.features-list li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
}

.features-list i {
    color: var(--success);
    margin-right: 0.5rem;
}

.cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta p {
    max-width: 700px;
    margin: 0 auto 2rem;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
}

footer {
    background-color: var(--dark);
    color: white;
    padding: 3rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-col h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent);
}

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

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.social-links {
    display: flex;
    margin-top: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    margin-right: 1rem;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--accent);
    transform: translateY(-5px);
}

.footer-bottom {
    margin-top: 3rem;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.upload-section {
    background-color: white;
    padding: 3rem 0;
    text-align: center;
}

.upload-container {
    max-width: 700px;
    margin: 0 auto;
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.upload-box {
    border: 2px dashed #ced4da;
    padding: 2rem;
    border-radius: 5px;
    margin-bottom: 2rem;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-box:hover {
    border-color: var(--primary);
    background-color: rgba(67, 97, 238, 0.05);
}

.upload-box input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.option-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.option-tab {
    padding: 0.8rem 1.5rem;
    cursor: pointer;
    background-color: #e9ecef;
    border: none;
    margin: 0.5rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.option-tab.active {
    background-color: var(--primary);
    color: white;
}

.option-tab:hover {
    background-color: #dee2e6;
}

.option-tab.active:hover {
    background-color: var(--primary);
}

/* Results Container Styles */
.result-container {
    margin-top: 2rem;
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.loading {
    text-align: center;
    padding: 2rem;
    color: #6c757d;
}

.error {
    background-color: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.result-item {
    margin-bottom: 1.5rem;
}

.result-item h4 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.result-item p {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 5px;
    border-left: 4px solid var(--accent);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.result-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1rem;
}

.result-actions button {
    background-color: var(--success);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.result-actions button:hover {
    background-color: #38b4d8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        flex-direction: column;
        align-items: center;
    }

    .step {
        max-width: 100%;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}