/**
 * StolyLab - Main Stylesheet
 * Version: 1.0.0
 * Mobile-First, Responsive Design
 */

/* ============================================
   CSS VARIABLES & RESET
   ============================================ */

:root {
    /* Colors */
    --color-primary: #F00017;
    --color-primary-dark: #D00014;
    --color-primary-light: #FF1A2E;
    --color-background: #FFFFFF;
    --color-background-light: #F8F9FA;
    --color-text-primary: #1A1A1A;
    --color-text-secondary: #6C757D;
    --color-text-light: #FFFFFF;
    --color-border: #E9ECEF;
    --color-success: #06A77D;
    --color-warning: #F77F00;
    --color-error: #DC3545;
    --color-info: #4361EE;
    
    /* Lab Colors */
    --lab-life: #4361EE;
    --lab-tech: #7209B7;
    --lab-mind: #4CC9F0;
    --lab-hustle: #F77F00;
    --lab-explore: #06A77D;
    --lab-entertainment: #F00017;
    --lab-gaming: #9D4EDD;
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Aptos', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --line-height: 1.6;
    --line-height-tight: 1.2;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-loader: 9999;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    overflow-x: hidden;
}

/* Mobile font size reduction (20%) */
@media (max-width: 767px) {
    html {
        font-size: 80%;
    }
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input,
button,
textarea,
select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

ul,
ol {
    list-style: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-accent {
    color: var(--color-primary);
}

.text-center {
    text-align: center;
}

/* ============================================
   PAGE LOADER
   ============================================ */

.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-background);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-loader);
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-content {
    text-align: center;
}

.loader-text {
    font-family: var(--font-heading);
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-bar {
    width: 200px;
    height: 4px;
    background: var(--color-background-light);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto;
}

.loader-progress {
    width: 0%;
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    animation: loadProgress 2s ease-in-out infinite;
}

@keyframes loadProgress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.98); }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--font-size-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
    user-select: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text-light);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-text-light);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* ============================================
   SECTIONS
   ============================================ */

section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(240, 0, 23, 0.1);
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    max-width: 600px;
    margin: 0 auto;
    font-size: var(--font-size-lg);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(240, 0, 23, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

/* ============================================
   FEATURED POST
   ============================================ */

.featured-section {
    background: var(--color-background);
}

.featured-post {
    background: var(--color-background-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.featured-post:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Loading Skeleton */
.loading-skeleton {
    padding: var(--spacing-xl);
}

.skeleton-image {
    width: 100%;
    height: 300px;
    background: linear-gradient(90deg, var(--color-border) 25%, var(--color-background) 50%, var(--color-border) 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-lg);
    animation: shimmer 1.5s infinite;
    margin-bottom: var(--spacing-lg);
}

.skeleton-title {
    width: 80%;
    height: 32px;
    background: linear-gradient(90deg, var(--color-border) 25%, var(--color-background) 50%, var(--color-border) 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-md);
    animation: shimmer 1.5s infinite;
    margin-bottom: var(--spacing-md);
}

.skeleton-text {
    width: 100%;
    height: 16px;
    background: linear-gradient(90deg, var(--color-border) 25%, var(--color-background) 50%, var(--color-border) 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-sm);
    animation: shimmer 1.5s infinite;
    margin-bottom: var(--spacing-sm);
}

.skeleton-text.short {
    width: 60%;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   LABS GRID
   ============================================ */

.labs-section {
    background: var(--color-background-light);
}

.labs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.lab-card {
    background: var(--color-background);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.lab-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--lab-color, var(--color-primary));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.lab-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--lab-color, var(--color-primary));
}

.lab-card:hover::before {
    transform: scaleX(1);
}

.lab-card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    border: 3px solid;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base);
}

.lab-card:hover .lab-card-icon {
    transform: scale(1.1) rotate(5deg);
}

.lab-card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.lab-card-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.lab-card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-primary);
    transition: gap var(--transition-fast);
}

.lab-card-link:hover {
    gap: var(--spacing-md);
}

/* ============================================
   HOW IT WORKS
   ============================================ */

.how-it-works-section {
    background: var(--color-background);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.process-step {
    text-align: center;
    padding: var(--spacing-lg);
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: var(--color-text-light);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--font-size-2xl);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-full);
    opacity: 0.3;
}

.step-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.step-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ============================================
   NEWSLETTER SECTION
   ============================================ */

.newsletter-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-text-light);
    padding: var(--spacing-3xl) 0;
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.newsletter-text .section-badge {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-text-light);
}

.newsletter-text .section-title {
    color: var(--color-text-light);
}

.newsletter-desc {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.newsletter-benefits {
    margin-top: var(--spacing-lg);
}

.newsletter-benefits li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-md);
}

.newsletter-benefits svg {
    flex-shrink: 0;
}

.newsletter-form-wrapper {
    background: var(--color-background);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    position: relative;
}

.form-control,
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background: var(--color-background);
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(240, 0, 23, 0.1);
}

.form-error {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: none;
}

.form-error.visible {
    display: block;
}

.checkbox-group {
    margin: var(--spacing-sm) 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

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

.btn-loader {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.spinner {
    animation: spin 1s linear infinite;
}

.spinner .path {
    stroke: currentColor;
    stroke-linecap: round;
    animation: dash 1.5s ease-in-out infinite;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

@keyframes dash {
    0% { stroke-dasharray: 1, 150; stroke-dashoffset: 0; }
    50% { stroke-dasharray: 90, 150; stroke-dashoffset: -35; }
    100% { stroke-dasharray: 90, 150; stroke-dashoffset: -124; }
}

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    text-align: center;
    display: none;
    margin-top: var(--spacing-md);
}

.form-message.success {
    background: rgba(6, 167, 125, 0.1);
    color: var(--color-success);
    border: 1px solid var(--color-success);
    display: block;
}

.form-message.error {
    background: rgba(220, 53, 69, 0.1);
    color: var(--color-error);
    border: 1px solid var(--color-error);
    display: block;
}

.newsletter-note {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-md);
}

/* ============================================
   COMMUNITY CTA
   ============================================ */

.community-cta-section {
    background: var(--color-background-light);
}

.community-cta {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   MOBILE JUMP PANEL
   ============================================ */

.lab-jump-panel {
    position: fixed;
    bottom: 80px;
    right: 15px;
    z-index: var(--z-fixed);
}

.jump-toggle {
    width: 56px;
    height: 56px;
    background: var(--color-primary);
    color: var(--color-text-light);
    border-radius: var(--radius-full);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.jump-toggle:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.jump-toggle svg {
    width: 24px;
    height: 24px;
}

.jump-label {
    font-size: 10px;
    font-weight: 600;
    font-family: var(--font-heading);
}

.jump-options {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: var(--color-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-sm);
    display: none;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-width: 160px;
    animation: slideUp 0.3s ease;
}

.jump-options.active {
    display: flex;
}

.jump-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.jump-option:hover {
    background: var(--color-background-light);
    color: var(--color-primary);
}

.jump-icon {
    font-size: var(--font-size-lg);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   FIXED ARTICLE NAVIGATION
   ============================================ */

.article-nav-buttons {
    position: fixed;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-md);
    z-index: var(--z-sticky);
    background: var(--color-background);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.article-nav-buttons.visible {
    opacity: 1;
    visibility: visible;
}

.nav-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--color-background-light);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.nav-btn:hover {
    background: var(--color-primary);
    color: var(--color-text-light);
    transform: scale(1.1);
}

/* ============================================
   ANIMATION ON SCROLL
   ============================================ */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 767px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-md);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .hero-stats {
        gap: var(--spacing-lg);
    }
    
    .stat-number {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .newsletter-content {
        grid-template-columns: 1fr;
    }
    
    .labs-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .labs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Print styles */
@media print {
    .page-loader,
    .lab-jump-panel,
    .article-nav-buttons,
    .newsletter-section {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
}