/* ===== RESET E VARIÁVEIS ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #2563eb;
    --primary-purple: #7c3aed;
    --accent-orange: #f97316;
    --dark-blue: #1e40af;
    --light-blue: #dbeafe;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --white: #ffffff;
    --light-gray: #f8fafc;
    --border-gray: #e5e7eb;
    --gradient: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
}

/* ===== BASE STYLES ===== */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* ===== UTILITIES ===== */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: white;
    margin-bottom: 3rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.section-title-dark {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.animate {
    opacity: 1;
    transform: translateY(0);
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

.mobile-menu {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 25%, #2d1b69 50%, #1a1a3e 75%, #0f0f23 100%);
    overflow: hidden;
    color: white;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(138, 43, 226, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(64, 123, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(75, 0, 130, 0.05) 0%, transparent 50%);
    z-index: 1;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

#brain-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    padding: 0 2rem;
    animation: fadeInUp 1.5s ease-out;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 25%, #c7d2fe 50%, #a5b4fc 75%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
    opacity: 0;
    transform: translateY(30px);
    animation: typewriter 3s steps(50) forwards, fadeInUp 1s ease-out forwards;
}

.hero p {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    line-height: 1.6;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.9);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease-out 1.5s forwards;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    padding: 1.2rem 2.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    color: white;
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 50%, #6d28d9 100%);
    border: none;
    border-radius: 50px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 
        0 10px 30px rgba(139, 92, 246, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    animation: buttonAppear 1s ease-out 2.5s forwards;
}

.cta-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 0.6s ease;
}

.cta-button::after {
    content: '';
    position: absolute;
    inset: 2px;
    border-radius: 48px;
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 50%, #6d28d9 100%);
    z-index: -1;
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 
        0 20px 40px rgba(139, 92, 246, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.cta-button:hover::before {
    left: 100%;
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.floating-icon {
    position: absolute;
    width: 40px;
    height: 40px;
    background: rgba(139, 92, 246, 0.1);
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(139, 92, 246, 0.7);
    font-size: 18px;
    animation: float 6s ease-in-out infinite;
}

.floating-icon:nth-child(1) { top: 20%; left: 10%; animation-delay: -1s; }
.floating-icon:nth-child(2) { top: 30%; right: 15%; animation-delay: -2s; }
.floating-icon:nth-child(3) { bottom: 25%; left: 20%; animation-delay: -3s; }
.floating-icon:nth-child(4) { bottom: 35%; right: 10%; animation-delay: -4s; }
.floating-icon:nth-child(5) { top: 60%; left: 5%; animation-delay: -5s; }
.floating-icon:nth-child(6) { top: 50%; right: 5%; animation-delay: -6s; }

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes typewriter {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes buttonAppear {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.6;
    }
    25% {
        transform: translateY(-20px) rotate(90deg);
        opacity: 0.8;
    }
    50% {
        transform: translateY(0px) rotate(180deg);
        opacity: 1;
    }
    75% {
        transform: translateY(-10px) rotate(270deg);
        opacity: 0.8;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

/* Responsividade */
@media (max-width: 768px) {
    .hero-content {
        padding: 0 1rem;
    }
    
    .floating-icon {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }
    
    .cta-button {
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }
}

/* Partículas cerebrais */
.brain-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    animation: particle-float 8s linear infinite;
}

@keyframes particle-float {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}

/* ===== BUTTONS ===== */
.professional-cta,
.modal-cta,
.contact-submit-btn,
.test-button {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.professional-cta {
    background: var(--white);
    color: var(--primary-blue);
}

.professional-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.modal-cta {
    background: var(--accent-orange);
    color: var(--white);
    width: 100%;
    margin-top: 1rem;
    border-radius: 10px;
}

.modal-cta:hover {
    background: #ea580c;
    transform: translateY(-2px);
}

.contact-submit-btn {
    background: var(--gradient);
    color: var(--white);
}

.contact-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.contact-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.contact-submit-btn.loading {
    pointer-events: none;
}

.contact-submit-btn.loading i {
    animation: spin 1s linear infinite;
}

.test-button {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.test-button:hover {
    background: linear-gradient(135deg, #5a67d8, #6b46c1);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* ===== GRID LAYOUTS ===== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tests-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

/* ===== CARDS ===== */
.benefit-card {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
    padding: 2rem;
    text-align: center;
}

.benefit-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.15);
}

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

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

.test-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 420px;
}

.test-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.test-card-header img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    background: var(--white);
}

.test-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.test-card-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
}

.test-card-body {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.test-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.test-benefits h4 {
    color: #333;
    font-size: 1rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.test-benefits-list {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.test-time {
    color: #888;
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: auto;
}

.test-card-footer {
    padding: 1.5rem;
    background: #f8f9fa;
    text-align: center;
}

/* Cores específicas para diferentes tipos de testes */
.test-card:nth-child(4n+1) .test-card-header {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.test-card:nth-child(4n+2) .test-card-header {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.test-card:nth-child(4n+3) .test-card-header {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.test-card:nth-child(4n+4) .test-card-header {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
}

/* ===== SECTIONS ===== */
.benefits {
    padding: 80px 0;
    background: var(--light-gray);
}

.tests {
    padding: 80px 0;
}

.professional {
    padding: 80px 0;
    text-align: center;
    position: relative;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 25%, #2d1b69 50%, #1a1a3e 75%, #0f0f23 100%);
    overflow: hidden;
}

.professional::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    z-index: 1;
    pointer-events: none;
}

.professional-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
    color: var(--white);
}

.professional h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.professional p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* ===== MODALS ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--white);
    margin: 5% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease;
    display: flex;
    flex-direction: column;
}

.policy-modal,
.contact-modal {
    width: 95%;
    max-width: 800px;
    max-height: 85vh;
}

.modal-header {
    background: var(--gradient);
    color: var(--white);
    padding: 2rem;
    text-align: center;
    border-radius: 20px 20px 0 0;
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    flex: 1;
}

.close {
    color: var(--white);
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    opacity: 0.8;
}

.policy-content {
    overflow-y: auto;
    padding: 0 1rem;
    flex: 1;
}

.policy-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-gray);
}

.policy-section:last-child {
    border-bottom: none;
}

.policy-section h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.policy-section ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.policy-section li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.policy-footer {
    background: var(--light-gray);
    padding: 1rem;
    text-align: center;
    margin: 1rem -1rem -2rem -1rem;
    border-radius: 0 0 20px 20px;
    font-weight: bold;
    color: var(--text-light);
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-gray);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.validation-group {
    background: #fef3cd;
    border: 2px solid #fbbf24;
    border-radius: 8px;
    padding: 1rem;
}

.validation-group label {
    color: #92400e;
    font-weight: bold;
}

#mathQuestion {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-blue);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-label a {
    color: var(--primary-blue);
    text-decoration: underline;
}

.checkbox-label a:hover {
    color: var(--dark-blue);
}

.form-actions {
    text-align: center;
    margin-top: 2rem;
}

/* ===== STATUS MESSAGES ===== */
.success-message {
    background: #d1fae5;
    border: 2px solid #10b981;
    color: #065f46;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    text-align: center;
    font-weight: 600;
}

.error-message {
    background: #fee2e2;
    border: 2px solid #ef4444;
    color: #991b1b;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    text-align: center;
    font-weight: 600;
}

/* ===== FAQ ===== */
.faq-item {
    border-bottom: 1px solid var(--border-gray);
    padding: 1rem 0;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: var(--primary-blue);
}

.faq-question i {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--text-light);
    line-height: 1.6;
}

.faq-answer.active {
    max-height: 500px;
    padding-top: 1rem;
}

.faq-category {
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.faq-search {
    position: sticky;
    top: 0;
    background: var(--white);
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-gray);
    margin-bottom: 2rem;
    z-index: 10;
}

.faq-search input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 2px solid var(--border-gray);
    border-radius: 25px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.faq-search input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.faq-search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
}

.faq-search-container {
    position: relative;
}

.no-results {
    text-align: center;
    color: var(--text-light);
    padding: 2rem;
    font-style: italic;
}

.highlight {
    background-color: yellow;
    font-weight: bold;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--accent-orange);
}

.footer-section a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    font-size: 1.5rem;
    color: #9ca3af;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .tests-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .tests-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .mobile-menu {
        display: block;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .benefits, .tests, .professional {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .tests-grid, .benefits-grid {
        grid-template-columns: 1fr;
    }

    .policy-modal,
    .contact-modal {
        width: 98%;
        margin: 1% auto;
    }
    
    .policy-content {
        padding: 0 0.5rem;
    }
    
    .policy-section {
        margin-bottom: 1.5rem;
        padding-bottom: 1rem;
    }
    
    .policy-section h3 {
        font-size: 1.1rem;
    }
    
    .checkbox-group {
        flex-direction: column;
        gap: 0.75rem;
    }
}

@media (max-width: 600px) {
    .tests-grid {
        grid-template-columns: 1fr;
    }
}