/* SAT Score Calculator - Optimized Global Styles */

/* CSS Variables - Modern Color Palette */
:root {
    --primary-color: #4361ee;
    --primary-light: #4895ef;
    --primary-dark: #3a0ca3;
    --secondary-color: #4cc9f0;
    --tertiary-color: #7209b7;
    --accent-color: #f72585;
    --success-color: #4cc9f0;
    --warning-color: #f9c74f;
    --error-color: #f72585;
    --text-color: #2b2d42;
    --text-light: #6c757d;
    --text-lighter: #adb5bd;
    --bg-color: #f8f9fa;
    --bg-dark: #edf2f4;
    --card-bg: #ffffff;
    --card-hover: #f8f9ff;
    --border-color: #dee2e6;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 12px 30px rgba(67, 97, 238, 0.15);
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
}

/* Base Styles - Ensure text selection is enabled everywhere */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: text !important;
    pointer-events: auto !important;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.65;
    color: var(--text-color);
    background-color: var(--bg-color);
    user-select: text !important;
    pointer-events: auto !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Typography - Enhanced for better readability */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.025em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    margin-top: var(--spacing-sm);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-md);
    color: var(--primary-dark);
}

h4 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    margin-bottom: var(--spacing-sm);
}

h5 {
    font-size: clamp(1.1rem, 1.5vw, 1.25rem);
    margin-bottom: var(--spacing-xs);
}

p {
    margin-bottom: var(--spacing-md);
    font-size: clamp(1rem, 1.2vw, 1.1rem);
    color: var(--text-light);
    line-height: 1.7;
}

/* Links - Enhanced visual feedback */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    user-select: text !important;
    pointer-events: auto !important;
    position: relative;
    display: inline-block;
}

a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

a:hover::after {
    width: 100%;
}

/* Buttons - Modern & Interactive */
.btn {
    display: inline-block;
    padding: 14px 28px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: var(--shadow);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -10%;
    width: 0;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.2);
    transform: skewX(-20deg);
    transition: var(--transition);
    z-index: -1;
}

.btn:hover::before {
    width: 120%;
}

.btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.3);
}

.btn:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

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

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

/* Header - Modern & Sticky with enhanced animations */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
    padding: 24px 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header.scrolled {
    padding: 16px 0;
    background-color: rgba(255, 255, 255, 0.99);
    box-shadow: var(--shadow);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--primary-color);
}

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

.nav-links li {
    margin-left: var(--spacing-lg);
}

.nav-links a {
    color: var(--text-color);
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-color);
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.menu-toggle:hover {
    background-color: var(--bg-dark);
    color: var(--primary-color);
}

/* Hero Section - Enhanced visual appeal */
.hero {
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    text-align: center;
    background: linear-gradient(135deg, #f5f7ff 0%, #edf2ff 100%);
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(67, 97, 238, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 80% 60%, rgba(114, 9, 183, 0.05) 0%, transparent 30%),
        radial-gradient(circle at 40% 90%, rgba(247, 37, 133, 0.05) 0%, transparent 25%);
    z-index: 1;
}

.hero h1 {
    font-size: clamp(2.75rem, 6vw, 4rem);
    margin-bottom: var(--spacing-md);
    color: var(--primary-dark);
    position: relative;
    z-index: 2;
}

.hero h1 span {
    background: linear-gradient(90deg, var(--primary-color), var(--tertiary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    color: var(--text-light);
    position: relative;
    z-index: 2;
    line-height: 1.8;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

/* Calculator Section - Modern & Interactive */
.calculator-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-color);
    position: relative;
}

.section-description {
    font-size: clamp(1.1rem, 1.5vw, 1.25rem);
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    color: var(--text-light);
    line-height: 1.8;
}

.calculator-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    background-color: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.calculator-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--tertiary-color));
}

.calculator-form {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
}

.calculator-results {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
}

/* Test Type Selection - Modern & Enhanced */
.test-type-selection {
    margin-bottom: var(--spacing-lg);
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.test-type-selection label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-color);
    position: relative;
}

/* Calculation Method Selection - Modern & Enhanced */
.calculation-method-selection {
    margin-bottom: var(--spacing-lg);
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.calculation-method-selection label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-color);
}

/* Radio Group - Modern Toggle Style */
.radio-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: nowrap;
    justify-content: space-between;
}

/* Ensure calculation method options are always on one line */
.calculation-method-selection .radio-group {
    flex-wrap: nowrap;
}

.radio-group input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-group label {
    position: relative;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    background-color: var(--bg-color);
    border: 2px solid var(--border-color);
    min-height: 50px;
    justify-content: center;
    font-size: 1rem;
    color: var(--text-color);
    user-select: none;
}

.radio-group label:hover {
    background-color: var(--card-hover);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.radio-group input[type="radio"]:checked + label {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.radio-group input[type="radio"]:checked + label::after {
    content: '✓';
    position: absolute;
    right: var(--spacing-sm);
    font-weight: bold;
    font-size: 1.2rem;
    animation: checkmark 0.3s ease;
}

@keyframes checkmark {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.radio-group input[type="radio"]:focus + label {
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

/* Form Styles */
.input-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.input-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
}

.input-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 16px;
    transition: var(--transition);
    background-color: var(--card-bg);
    font-family: inherit;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
    background-color: var(--card-hover);
}

.input-group input::placeholder {
    color: var(--text-lighter);
}

.sat-form h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--primary-dark);
    font-size: 1.5rem;
}

#calculate-btn {
    width: 100%;
    margin-top: var(--spacing-sm);
    padding: 16px;
    font-size: 18px;
    font-weight: 600;
}

/* Calculator Results */
.calculator-results {
    background-color: #f8f9ff;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-top: 0;
    border: 1px solid #e9ecef;
}

.calculator-results h3 {
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--primary-dark);
    font-size: 1.5rem;
}

/* Score Cards - Optimized to ensure scores display on a single line */
.score-cards {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    /* Force items to stay on one line */
    flex-wrap: nowrap;
    width: 100%;
}

.score-card {
    flex: 1;
    flex-shrink: 0;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow);
    /* Ensure exactly 3 cards per row */
    min-width: calc(33.33% - var(--spacing-sm));
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.score-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.score-label {
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    /* Allow labels to wrap for better readability */
    white-space: normal;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.score {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.2;
    margin: 0;
    /* Ensure score text stays on one line */
    white-space: nowrap;
    overflow: visible;
    text-overflow: unset;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 4rem;
    margin-top: 0.5rem;
}

.total-score {
    background: linear-gradient(135deg, var(--primary-color), var(--tertiary-color));
    border-color: var(--primary-dark);
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

.total-score .score-label {
    color: rgba(255, 255, 255, 0.9);
}

.total-score .score {
    color: white;
    font-size: 3.2rem;
}

/* Score Analysis */
.score-analysis {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.score-analysis h4 {
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
    color: var(--text-color);
}

/* Percentiles - Optimized to ensure they display on a single line */
.percentiles {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    /* Force items to stay on one line */
    flex-wrap: nowrap;
    width: 100%;
}

.percentile-item {
    flex: 1;
    flex-shrink: 0;
    text-align: center;
    min-width: calc(33.33% - var(--spacing-xs));
    padding: var(--spacing-md);
    background-color: var(--bg-dark);
    border-radius: var(--border-radius-sm);
}

.percentile-label {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xs);
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
    /* Allow labels to wrap for better readability */
    white-space: normal;
    height: 2rem;
}

.percentile-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 3rem;
    margin-top: 0.25rem;
    line-height: 1.2;
    margin-bottom: 0;
    margin-left: 0;
    margin-right: 0;
    /* Ensure percentile text stays on one line */
    white-space: nowrap;
    overflow: visible;
    text-overflow: unset;
    display: block;
    margin-top: 0.5rem;
}

/* Responsive adjustments for SAT Score section */
@media (max-width: 768px) {
    .score-cards, .percentiles {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    
    .score-cards::-webkit-scrollbar, .percentiles::-webkit-scrollbar {
        display: none;
    }
    
    .score-card, .percentile-item {
        min-width: calc(50% - var(--spacing-sm));
    }
}

.college-recommendation {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: rgba(67, 97, 238, 0.05);
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--primary-color);
}

.college-recommendation h5 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
    color: var(--primary-dark);
}

.college-recommendation p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Understanding Scores Section */
.understanding-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--card-bg);
    position: relative;
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.info-card {
    background-color: var(--bg-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.info-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    background-color: var(--card-hover);
}

.info-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.info-card h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

/* Tips Section */
.tips-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-color);
    position: relative;
    background-image: 
        radial-gradient(circle at 10% 50%, rgba(67, 97, 238, 0.03) 0%, transparent 30%),
        radial-gradient(circle at 80% 80%, rgba(114, 9, 183, 0.03) 0%, transparent 25%);
}

.tips-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.tip-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.tip-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--tertiary-color));
}

.tip-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    background-color: var(--card-hover);
}

.tip-card i {
    font-size: 2.5rem;
    color: var(--tertiary-color);
    margin-bottom: var(--spacing-md);
}

.tip-card h3 {
    color: var(--tertiary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

/* FAQ Section */
.faq-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--card-bg);
    position: relative;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    background-color: var(--bg-color);
}

.faq-item:hover {
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-color);
    font-family: inherit;
}

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

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--primary-color);
}

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

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-md);
    color: var(--text-light);
    display: none;
    animation: fadeIn 0.3s ease;
}

.faq-answer.show {
    display: block;
}

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

/* FAQ and Footer text selection enhancement */
.faq-item,
.faq-question,
.faq-answer,
.footer-content,
.footer-links,
.footer-links a,
.footer-bottom,
.footer-bottom a {
    user-select: text !important;
    pointer-events: auto !important;
}

.faq-answer.show {
    user-select: text !important;
    pointer-events: auto !important;
}

/* Footer - Modern & Visual appealing */
.footer {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 L0,100 Z" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: cover;
    opacity: 0.3;
    z-index: 1;
}

.footer-container {
    position: relative;
    z-index: 2;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 2;
}

.footer-logo {
    flex: 1;
    min-width: 300px;
}

.footer-logo a {
    display: flex;
    align-items: center;
    font-size: 2rem;
    font-weight: 800;
    color: white;
    margin-bottom: var(--spacing-md);
    text-decoration: none;
}

.footer-logo a::after {
    display: none;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    flex: 1;
    min-width: 200px;
}

.footer-links h4 {
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
    color: white;
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

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

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    display: inline-block;
    padding: var(--spacing-xs) 0;
    position: relative;
    font-weight: 500;
}

.footer-links a::after {
    background-color: var(--accent-color);
}

.footer-links a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-contact {
    flex: 1;
    min-width: 200px;
}

.footer-contact h4 {
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
    color: white;
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    transition: var(--transition);
    font-size: 1.2rem;
    position: relative;
}

.social-links a::after {
    display: none;
}

.social-links a:hover {
    background-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(247, 37, 133, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 2;
}

.footer-bottom p {
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-terms {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xs);
    flex-wrap: wrap;
}

.footer-terms a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-terms a::after {
    background-color: var(--accent-color);
}

.footer-terms a:hover {
    color: white;
}

/* Responsive Styles - Enhanced for all device sizes */
@media (max-width: 1200px) {
    .calculator-container {
        padding: var(--spacing-lg);
        gap: var(--spacing-lg);
    }
    
    .info-cards,
    .tips-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    h1 {
        font-size: 2.75rem;
    }
    
    h2 {
        font-size: 2.25rem;
    }
    
    .hero h1 {
        font-size: 2.75rem;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        flex-direction: column;
        border-top: 1px solid var(--border-color);
        animation: slideDown 0.3s ease;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: var(--spacing-xs) 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .calculator-form, .calculator-results {
        max-width: 100%;
    }
    
    .info-cards,
    .tips-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2.5rem;
        --spacing-xxl: 4rem;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero {
        padding: var(--spacing-xxl) 0 var(--spacing-xl);
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .calculator-section, .understanding-section, .tips-section, .faq-section {
        padding: var(--spacing-xl) 0;
    }
    
    .calculator-container {
        padding: var(--spacing-md);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .footer-logo,
    .footer-links,
    .footer-contact {
        min-width: 100%;
    }
    
    .faq-question {
        font-size: 1.1rem;
        padding: var(--spacing-sm);
    }
    
    .faq-answer {
        padding: 0 var(--spacing-sm) var(--spacing-sm);
    }
    
    .footer-terms {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    /* Allow wrapping on smaller screens for better readability */
    .score-cards,
    .percentiles {
        flex-wrap: wrap;
    }
    
    .score-card,
    .percentile-item {
        min-width: calc(50% - var(--spacing-sm) / 2);
    }
    
    /* Responsive radio group */
    .radio-group {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .radio-group label {
        width: 100%;
        justify-content: flex-start;
        padding-left: 40px;
    }
    
    .radio-group input[type="radio"]:checked + label::after {
        left: var(--spacing-sm);
        right: auto;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .calculator-section, .understanding-section, .tips-section, .faq-section {
        padding: var(--spacing-xl) 0;
    }
    
    .footer {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }
    
    .score-card,
    .percentile-item {
        min-width: 100%;
    }
    
    .input-group input {
        padding: 12px;
        font-size: 14px;
    }
    
    .social-links a {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}