/* Brain Rot Assessment - Complete CSS */

:root {
    /* Color Palette */
    --color-primary: #218f9c;
    --color-secondary: #32b8c6;
    --color-accent: #4fd1c7;
    --color-background: #fcfcf9;
    --color-surface: #ffffff;
    --color-text: #134252;
    --color-text-light: #6b7280;
    --color-border: #e5e7eb;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Background gradients */
    --color-bg-1: #fcfcf9;
    --color-bg-2: #f8fffe;
    --color-bg-3: #f0fffe;
    --color-bg-4: #e6fffd;
    --color-bg-5: #ccfff8;
    --color-bg-6: #b3fff5;
    
    /* Spacing */
    --space-4: 0.25rem;
    --space-8: 0.5rem;
    --space-12: 0.75rem;
    --space-16: 1rem;
    --space-20: 1.25rem;
    --space-24: 1.5rem;
    --space-32: 2rem;
    --space-40: 2.5rem;
    --space-48: 3rem;
    --space-64: 4rem;
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 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;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-base: 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-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 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);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    background: var(--color-background);
    color: var(--color-text);
    padding-top: 80px;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-16);
}

/* Page Management */
.page {
    display: none;
    min-height: calc(100vh - 80px);
}

.page.active {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
}

.nav__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-16);
}

.nav__brand h2 {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--space-32);
}

.nav__link {
    text-decoration: none;
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-base);
    transition: all 0.3s ease;
}

.nav__link:hover {
    color: var(--color-primary);
    background: rgba(33, 143, 156, 0.1);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-8);
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav__toggle {
        display: flex;
    }
    
    .nav__menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border-top: 1px solid var(--color-border);
        flex-direction: column;
        gap: 0;
        padding: var(--space-16);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav__menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav__link {
        padding: var(--space-12) var(--space-16);
        border-radius: var(--radius-base);
        text-align: center;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    padding: var(--space-12) var(--space-24);
    border: none;
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 44px;
}

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

.btn--primary:hover {
    background: #1a7a85;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(33, 143, 156, 0.3);
}

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

.btn--secondary:hover {
    background: #28a3b0;
    transform: translateY(-2px);
}

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

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

.btn--lg {
    padding: var(--space-16) var(--space-32);
    font-size: var(--font-size-lg);
}

.btn--sm {
    padding: var(--space-8) var(--space-16);
    font-size: var(--font-size-sm);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Hero Section */
.hero {
    padding: var(--space-64) 0;
    background: linear-gradient(135deg, var(--color-bg-1), var(--color-bg-4));
    position: relative;
    overflow: hidden;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-48);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-16);
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-16);
    line-height: 1.1;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-secondary);
    margin-bottom: var(--space-16);
    font-weight: var(--font-weight-semibold);
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--space-32);
    line-height: 1.7;
}

.hero__buttons {
    display: flex;
    gap: var(--space-16);
    flex-wrap: wrap;
}

.hero__visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.brain-icon {
    font-size: 200px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.floating-emojis {
    position: absolute;
    width: 100%;
    height: 100%;
}

.emoji-float {
    position: absolute;
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

.emoji-float:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; }
.emoji-float:nth-child(2) { top: 20%; right: 15%; animation-delay: 0.5s; }
.emoji-float:nth-child(3) { bottom: 30%; left: 20%; animation-delay: 1s; }
.emoji-float:nth-child(4) { bottom: 20%; right: 10%; animation-delay: 1.5s; }
.emoji-float:nth-child(5) { top: 60%; left: 5%; animation-delay: 2s; }
.emoji-float:nth-child(6) { top: 40%; right: 5%; animation-delay: 2.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-10px) rotate(5deg); }
    66% { transform: translateY(5px) rotate(-5deg); }
}

/* Sections */
.section-title {
    text-align: center;
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-48);
    color: var(--color-text);
}

.about {
    padding: var(--space-64) 0;
    background: var(--color-surface);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-24);
}

.content-card {
    background: var(--color-surface);
    padding: var(--space-32);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.content-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.content-card__icon {
    font-size: 3rem;
    margin-bottom: var(--space-16);
}

.content-card h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-16);
    color: var(--color-text);
}

.content-card p {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Card Colors */
.card-purple { border-color: #8b5cf6; }
.card-orange { border-color: #f97316; }
.card-red { border-color: #ef4444; }
.card-green { border-color: #10b981; }
.card-blue { border-color: #3b82f6; }
.card-yellow { border-color: #f59e0b; }

/* Articles */
.articles-preview {
    padding: var(--space-64) 0;
    background: linear-gradient(135deg, var(--color-bg-2), var(--color-bg-5));
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-24);
    margin-bottom: var(--space-32);
}

.article-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid var(--color-border);
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.article-card__body {
    padding: var(--space-24);
}

.article-card__category {
    display: inline-block;
    background: rgba(33, 143, 156, 0.1);
    color: var(--color-primary);
    padding: var(--space-4) var(--space-12);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-12);
}

.article-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-12);
    color: var(--color-text);
    line-height: 1.4;
}

.article-card__excerpt {
    color: var(--color-text-light);
    margin-bottom: var(--space-16);
    line-height: 1.6;
}

.article-card__meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* Quiz Styles */
.quiz {
    padding: var(--space-32) 0;
    min-height: calc(100vh - 80px);
    background: linear-gradient(135deg, var(--color-bg-1), var(--color-bg-3));
}

.quiz__header {
    text-align: center;
    margin-bottom: var(--space-48);
}

.quiz__header h1 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-16);
    color: var(--color-primary);
}

.quiz__header p {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--space-24);
}

.progress-bar {
    width: 100%;
    max-width: 500px;
    height: 8px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-12);
    overflow: hidden;
}

.progress-bar__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: var(--font-weight-medium);
}

.question-card {
    background: var(--color-surface);
    padding: var(--space-40);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto var(--space-32);
}

.question-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-32);
    color: var(--color-text);
    text-align: center;
    line-height: 1.4;
}

.question-options {
    display: grid;
    gap: var(--space-16);
}

.option {
    padding: var(--space-20);
    background: var(--color-bg-2);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: var(--font-size-base);
    line-height: 1.5;
}

.option:hover {
    border-color: var(--color-primary);
    background: rgba(33, 143, 156, 0.05);
    transform: translateY(-2px);
}

.option.selected {
    border-color: var(--color-primary);
    background: rgba(33, 143, 156, 0.1);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.quiz__navigation {
    display: flex;
    justify-content: space-between;
    max-width: 800px;
    margin: 0 auto;
    gap: var(--space-16);
}

/* Newsletter Gate */
.newsletter-gate {
    padding: var(--space-32) 0;
    min-height: 80vh;
    background: linear-gradient(135deg, var(--color-bg-2), var(--color-bg-6));
    display: flex;
    align-items: center;
}

.newsletter-gate__content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.newsletter-gate__icon {
    font-size: 120px;
    margin-bottom: var(--space-24);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.newsletter-gate__actions {
    display: flex;
    gap: var(--space-16);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--space-24);
}

/* Results */
.results {
    padding: var(--space-32) 0;
    min-height: 80vh;
    background: linear-gradient(135deg, var(--color-bg-3), var(--color-bg-1));
}

.results-card {
    background: linear-gradient(135deg, var(--color-surface), rgba(50, 184, 198, 0.05));
    padding: var(--space-32);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-primary);
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--space-32);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.results-card::before {
    content: "🎉🌟⭐✨💫🚀";
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 1.5rem;
    opacity: 0.1;
    animation: celebration 3s infinite;
}

@keyframes celebration {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(180deg); }
}

.results-card__score {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-16);
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.results-card__level {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-16);
    padding: var(--space-12) var(--space-20);
    border-radius: var(--radius-full);
    display: inline-block;
    font-weight: var(--font-weight-bold);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.results-card__description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-24);
    line-height: 1.6;
}

.solutions-list {
    text-align: left;
    background: var(--color-bg-2);
    padding: var(--space-24);
    border-radius: var(--radius-lg);
    margin-top: var(--space-24);
}

.solutions-list h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-16);
    text-align: center;
}

.solutions-list ul {
    list-style: none;
    padding: 0;
}

.solutions-list li {
    padding: var(--space-8) 0;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
}

.solutions-list li:last-child {
    border-bottom: none;
}

.results__actions {
    display: flex;
    gap: var(--space-16);
    justify-content: center;
    flex-wrap: wrap;
}

/* Article View */
.article {
    padding: var(--space-32) 0;
    background: var(--color-surface);
}

.back-btn {
    margin-bottom: var(--space-24);
}

.article__content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.article__content h1 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-16);
    color: var(--color-primary);
}

.article__content h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin: var(--space-32) 0 var(--space-16);
    color: var(--color-text);
}

.article__content p {
    margin-bottom: var(--space-16);
    color: var(--color-text);
}

.article__content ul, .article__content ol {
    margin: var(--space-16) 0;
    padding-left: var(--space-24);
}

.article__content li {
    margin-bottom: var(--space-8);
    color: var(--color-text);
}

.article-meta {
    color: var(--color-text-light);
    margin-bottom: var(--space-32);
    font-size: var(--font-size-base);
}

.article__share {
    margin-top: var(--space-48);
    padding-top: var(--space-24);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.share-buttons {
    display: flex;
    gap: var(--space-12);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--space-16);
}

/* Resources */
.resources {
    padding: var(--space-64) 0;
    background: linear-gradient(135deg, var(--color-bg-4), var(--color-bg-1));
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-24);
}

.resource-category {
    background: var(--color-surface);
    padding: var(--space-24);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.resource-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.resource-category h3 {
    margin-bottom: var(--space-12);
    color: var(--color-text);
}

.resource-category p {
    color: var(--color-text-light);
    line-height: 1.6;
}

.status {
    display: inline-block;
    padding: var(--space-4) var(--space-12);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-12);
}

.status--success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.status--info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-info);
}

/* Newsletter */
.newsletter {
    padding: var(--space-64) 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.newsletter__card {
    background: var(--color-surface);
    padding: var(--space-40);
    border-radius: var(--radius-2xl);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: var(--shadow-xl);
}

/* Newsletter form responsive fixes */
@media (max-width: 768px) {
    .newsletter {
        padding: var(--space-32) 0;
    }
    
    .newsletter__card {
        margin: 0 var(--space-16);
        padding: var(--space-24);
        border-radius: var(--radius-lg);
    }
    
    .newsletter__card h2 {
        font-size: var(--font-size-2xl);
    }
    
    .newsletter__card p {
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    .newsletter__card {
        margin: 0 var(--space-12);
        padding: var(--space-20);
    }
    
    .newsletter__card h2 {
        font-size: var(--font-size-xl);
        margin-bottom: var(--space-12);
    }
    
    .newsletter__card p {
        font-size: var(--font-size-sm);
        margin-bottom: var(--space-16);
    }
}

.newsletter__card h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-16);
    color: var(--color-text);
}

.newsletter__card p {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--space-24);
}

.beehiiv-container, .beehiiv-container-results {
    margin-top: var(--space-24);
    width: 100%;
    max-width: 548px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--space-16);
    box-sizing: border-box;
    margin-bottom: var(--space-32);
    overflow: visible;
}

.beehiiv-embed {
    width: 100% !important;
    max-width: 100% !important;
    height: 600px !important;
    border-radius: 12px !important;
    background-color: transparent !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1) !important;
    border: none !important;
    overflow: visible !important;
    display: block !important;
}

/* Mobile newsletter fixes with proper heights and spacing */
@media (max-width: 768px) {
    .newsletter {
        padding: var(--space-48) var(--space-16);
        overflow: visible;
    }
    
    .newsletter__card {
        padding: var(--space-24);
        margin: 0 auto;
        max-width: calc(100vw - 32px);
        width: 100%;
        box-sizing: border-box;
        overflow: visible;
        margin-bottom: var(--space-24);
    }
    
    .beehiiv-container, .beehiiv-container-results {
        padding: 0;
        margin-top: var(--space-20);
        margin-bottom: var(--space-32);
        max-width: 100%;
        width: 100%;
        overflow: visible;
    }
    
    .beehiiv-embed {
        height: 650px !important;
        border-radius: 8px !important;
        max-width: 100% !important;
        width: 100% !important;
        overflow: visible !important;
    }
    
    .newsletter-gate__content {
        padding: 0 var(--space-16);
        max-width: 100%;
        box-sizing: border-box;
        overflow: visible;
    }
    
    .newsletter-gate {
        padding: var(--space-48) 0;
        min-height: auto;
        overflow: visible;
    }
}

@media (max-width: 414px) {
    .newsletter {
        padding: var(--space-40) var(--space-12);
    }
    
    .newsletter__card {
        padding: var(--space-20);
        margin: 0 auto;
        max-width: calc(100vw - 24px);
        border-radius: var(--radius-lg);
    }
    
    .newsletter__card h2 {
        font-size: var(--font-size-xl);
        margin-bottom: var(--space-12);
    }
    
    .newsletter__card p {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-16);
    }
    
    .beehiiv-container, .beehiiv-container-results {
        padding: 0;
        margin-top: var(--space-16);
        margin-bottom: var(--space-24);
        max-width: 100%;
        width: 100%;
    }
    
    .beehiiv-embed {
        height: 700px !important;
        border-radius: 6px !important;
    }
    
    .newsletter-gate__content {
        padding: 0 var(--space-12);
    }
}

@media (max-width: 375px) {
    .newsletter {
        padding: var(--space-32) var(--space-8);
    }
    
    .newsletter__card {
        padding: var(--space-16);
        max-width: calc(100vw - 16px);
    }
    
    .beehiiv-embed {
        height: 720px !important;
    }
}

@media (max-width: 320px) {
    .newsletter {
        padding: var(--space-24) var(--space-8);
    }
    
    .newsletter__card {
        padding: var(--space-12);
        max-width: calc(100vw - 16px);
    }
    
    .newsletter__card h2 {
        font-size: var(--font-size-lg);
        line-height: 1.3;
    }
    
    .newsletter__card p {
        font-size: var(--font-size-sm);
        line-height: 1.5;
    }
    
    .beehiiv-embed {
        height: 750px !important;
        border-radius: 4px !important;
    }
    
    .beehiiv-container, .beehiiv-container-results {
        margin-top: var(--space-12);
        margin-bottom: var(--space-20);
    }
    
    .newsletter-gate__content {
        padding: 0 var(--space-8);
    }
    
    .newsletter-gate__actions {
        margin-top: var(--space-24);
        gap: var(--space-12);
    }
}

/* Prevent horizontal scroll and layout shifts */
html, body {
    overflow-x: hidden;
    max-width: 100vw;
}

.newsletter, .newsletter-gate {
    overflow-x: hidden;
    overflow-y: visible;
    width: 100%;
    max-width: 100vw;
    min-height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.container {
    overflow-x: hidden;
    overflow-y: visible;
    max-width: min(1200px, 100vw);
    box-sizing: border-box;
    width: 100%;
}

/* Mobile layout improvements */
@media (max-width: 768px) {
    .hero__container {
        padding: 0 var(--space-12);
        box-sizing: border-box;
    }
    
    .hero__buttons {
        width: 100%;
        max-width: 100%;
        gap: var(--space-12);
    }
    
    .btn {
        font-size: var(--font-size-base);
        padding: var(--space-14) var(--space-20);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    /* Ensure all cards fit mobile screens */
    .content-card,
    .article-card,
    .resource-category {
        margin: 0 var(--space-8);
        max-width: calc(100vw - 32px);
        box-sizing: border-box;
    }
    
    /* Navigation improvements */
    .nav__container {
        padding: 0 var(--space-12);
    }
    
    .nav__brand h2 {
        font-size: var(--font-size-lg);
    }
}

/* FAQ */
.faq-section {
    padding: var(--space-64) 0;
    background: var(--color-surface);
}

.faq-grid {
    display: grid;
    gap: var(--space-16);
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg-2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-question {
    padding: var(--space-20);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    background: var(--color-surface);
    border: none;
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s ease;
    width: 100%;
    text-align: left;
    font-family: inherit;
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.faq-question:hover {
    background: rgba(33, 143, 156, 0.05);
    color: var(--color-primary);
}

.faq-answer {
    padding: 0 var(--space-20);
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    line-height: 1.6;
    color: var(--color-text);
}

.faq-item.active .faq-answer {
    padding: var(--space-20);
    max-height: 500px;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: var(--space-24);
    right: var(--space-24);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px);
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-secondary);
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(33, 143, 156, 0.3);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--color-text), #0f3541);
    color: white;
    padding: var(--space-48) 0 var(--space-24);
    margin-top: var(--space-64);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-32);
    margin-bottom: var(--space-32);
}

.footer__brand h3 {
    color: var(--color-accent);
    margin-bottom: var(--space-16);
    font-size: var(--font-size-xl);
}

.footer__brand p {
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

.footer__links h4,
.footer__social h4 {
    color: var(--color-accent);
    margin-bottom: var(--space-16);
    font-size: var(--font-size-lg);
}

.footer__links ul {
    list-style: none;
    padding: 0;
}

.footer__links li {
    margin-bottom: var(--space-8);
}

.footer__links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: var(--space-16);
    flex-wrap: wrap;
}

.social-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: var(--space-8) var(--space-12);
    border-radius: var(--radius-base);
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--space-24);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

.footer__bottom p {
    margin-bottom: var(--space-8);
}

/* Improved color contrast for accessibility - WCAG AA compliant */
:root {
    --color-text-light: #374151; /* Darker for better contrast ratio 4.5:1 */
    --color-text-dark-mode: #d1d5db; /* Better contrast for dark mode */
}

.article-card__excerpt,
.article-card__meta,
.quiz__header p,
.progress-text {
    color: var(--color-text-light);
}

/* Enhanced dark mode contrast */
@media (prefers-color-scheme: dark) {
    .article-card__excerpt,
    .article-card__meta,
    .quiz__header p,
    .progress-text {
        color: #e2e8f0 !important;
        font-weight: 500;
    }
    
    /* Ensure proper contrast for all text in dark mode */
    .faq-question {
        color: #ffffff !important;
        background: #1a1f29 !important;
    }
    
    .faq-answer {
        color: #e2e8f0 !important;
        background: #0f1419 !important;
    }
    
    /* Mobile dark mode specific fixes */
    @media (max-width: 768px) {
        .hero__title {
            color: #ffffff !important;
            text-shadow: 0 2px 4px rgba(0,0,0,0.8);
        }
        
        .hero__subtitle {
            color: var(--color-accent) !important;
            font-weight: 600;
        }
        
        .hero__description {
            color: #f1f5f9 !important;
            font-weight: 500;
            text-shadow: 0 1px 2px rgba(0,0,0,0.6);
        }
        
        .content-card h3,
        .article-card__title {
            color: #ffffff !important;
            font-weight: 700;
        }
        
        .content-card p,
        .article-card__excerpt {
            color: #e2e8f0 !important;
            font-weight: 500;
        }
        
        /* Button contrast improvements */
        .btn--outline {
            border-color: var(--color-accent) !important;
            color: var(--color-accent) !important;
            background: rgba(77, 209, 199, 0.1) !important;
        }
        
        .btn--outline:hover {
            background: var(--color-accent) !important;
            color: #0f1419 !important;
        }
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-16 { margin-bottom: var(--space-16); }
.mb-24 { margin-bottom: var(--space-24); }
.mb-32 { margin-bottom: var(--space-32); }

.mt-16 { margin-top: var(--space-16); }
.mt-24 { margin-top: var(--space-24); }
.mt-32 { margin-top: var(--space-32); }

/* Layout shift prevention */
.brain-icon {
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-emojis {
    position: absolute;
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-32);
    }
    
    .brain-icon {
        width: 120px;
        height: 120px;
        font-size: 120px;
    }
    
    .floating-emojis {
        width: 120px;
        height: 120px;
    }
    
    .hero__title {
        font-size: var(--font-size-3xl);
    }
    
    .brain-icon {
        font-size: 120px;
    }
    
    .hero__buttons {
        justify-content: center;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .question-card {
        padding: var(--space-24);
    }
    
    .question-title {
        font-size: var(--font-size-xl);
    }
    
    .quiz__navigation {
        flex-direction: column;
    }
    
    .newsletter-gate__actions,
    .results__actions {
        flex-direction: column;
        align-items: center;
    }
    
    .share-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-12);
    }
    
    .hero {
        padding: var(--space-32) 0;
    }
    
    .hero__title {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .newsletter-gate__icon {
        font-size: 80px;
    }
    
    .back-to-top {
        bottom: var(--space-16);
        right: var(--space-16);
        width: 45px;
        height: 45px;
    }
}

/* Performance optimizations */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Accessibility improvements */
/* Minimum touch target size of 44px */
.btn, .option, .faq-question, .nav__link {
    min-height: 44px;
    min-width: 44px;
}

/* Enhanced focus states for keyboard navigation */
.btn:focus,
.option:focus,
.faq-question:focus,
.nav__link:focus {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-base);
}

/* Skip link for screen readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-primary);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
}

.skip-link:focus {
    top: 6px;
}

/* Ensure readable font sizes on mobile */
@media (max-width: 480px) {
    .btn {
        font-size: var(--font-size-base);
        min-height: 48px;
    }
    
    .quiz__header p,
    .hero__description {
        font-size: var(--font-size-base);
    }
    
    .article-card__excerpt {
        font-size: var(--font-size-base);
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
        --color-text-light: var(--color-text);
    }
}

/* Enhanced dark mode with proper contrast ratios */
@media (prefers-color-scheme: dark) {
    :root {
        --color-background: #0f1419;
        --color-surface: #1a1f29;
        --color-text: #ffffff;
        --color-text-light: #e2e8f0;
        --color-border: #2d3748;
        --color-bg-1: #0f1419;
        --color-bg-2: #1a1f29;
        --color-bg-3: #242b3d;
        --color-bg-4: #2d3748;
        --color-bg-5: #374151;
        --color-bg-6: #4a5568;
    }
    
    /* Force high contrast text in dark mode */
    body {
        background: var(--color-background);
        color: #ffffff;
    }
    
    .hero {
        background: linear-gradient(135deg, #0f1419, #1a1f29);
        color: #ffffff;
    }
    
    .hero__description,
    .newsletter__card p {
        color: #e2e8f0 !important;
        font-weight: 500;
    }
    
    .nav {
        background: rgba(15, 20, 25, 0.95);
        border-bottom-color: #2d3748;
    }
    
    .nav__brand h2 {
        color: var(--color-accent);
    }
    
    .content-card,
    .article-card,
    .newsletter__card {
        background: var(--color-surface);
        border-color: #2d3748;
        color: #ffffff;
    }
    
    .content-card p,
    .article-card__excerpt {
        color: #e2e8f0 !important;
    }
    
    /* Newsletter form dark mode fixes */
    .newsletter__card h2 {
        color: #ffffff !important;
    }
    
    .newsletter__card {
        background: var(--color-surface) !important;
        border: 2px solid #2d3748 !important;
    }
    
    .beehiiv-container, .beehiiv-container-results {
        background: transparent !important;
    }
    
    .beehiiv-embed {
        background-color: var(--color-surface) !important;
        border: 1px solid #2d3748 !important;
    }
}