/* QAIL - Quantum AI Labs Website Styles */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #10b981;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
}

/* Navigation */
header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 6rem 2rem;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--white);
    color: var(--primary);
}

.btn-primary:hover {
    background: var(--light);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-analiseer {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-analiseer:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Features */
.features {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.feature h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

/* Preview Tool Section */
.preview-tool {
    background: var(--white);
    padding: 4rem 2rem;
    text-align: center;
}

.preview-tool h2 {
    margin-bottom: 1rem;
}

.preview-tool form {
    display: flex;
    gap: 1rem;
    justify-content: center;
    max-width: 600px;
    margin: 2rem auto 0;
    flex-wrap: wrap;
}

.preview-tool input {
    flex: 1;
    min-width: 250px;
    padding: 0.75rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
}

.preview-tool input:focus {
    outline: none;
    border-color: var(--primary);
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

section {
    margin-bottom: 4rem;
}

section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* Score Display */
.score-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.score-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.score-card h4 {
    color: var(--gray);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
}

.score-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.score-bar {
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    margin-top: 0.5rem;
    overflow: hidden;
}

.score-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* Score Colors */
.score-high { background: var(--secondary); }
.score-medium { background: #f59e0b; }
.score-low { background: #ef4444; }

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

.portfolio-item {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.portfolio-item:hover {
    transform: translateY(-5px);
}

.portfolio-item-content {
    padding: 1.5rem;
}

.portfolio-item h3 {
    margin-bottom: 0.5rem;
}

.portfolio-item p {
    color: var(--gray);
    margin-bottom: 1rem;
}

.score-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 20px;
    font-weight: 600;
}

/* Footer */
footer {
    background: var(--dark);
    color: var(--white);
    padding: 3rem 2rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--white);
}

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

.footer-section a {
    color: var(--gray);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid #334155;
    color: var(--gray);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
}

/* Loading State */
.loading {
    text-align: center;
    padding: 2rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e2e8f0;
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Error State */
.error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
}

/* FAQ Section */
.faq {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}

.faq-item h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--gray);
    line-height: 1.6;
}

/* Payment Section */
.payment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.payment-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s;
}

.payment-card:hover {
    transform: translateY(-5px);
}

.payment-card h3 {
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.payment-card .price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin: 1rem 0;
}

.payment-card ul {
    list-style: none;
    text-align: left;
    margin: 1rem 0;
}

.payment-card li {
    padding: 0.25rem 0;
    color: var(--gray);
}

.payment-card li::before {
    content: "✓ ";
    color: var(--secondary);
}

/* Currency Toggle */
.currency-toggle {
    display: flex;
    gap: 10px;
    margin-bottom: 1.5rem;
}

.currency-btn {
    padding: 8px 20px;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--primary);
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.currency-btn:hover {
    background: var(--primary);
    color: white;
}

.currency-btn.active {
    background: var(--primary);
    color: white;
}