/**
 * StudyMe.ai Custom Styles
 * Modern, professional design for studyme.ai
 */

/* ============================================================================
   CSS Variables & Base Styles
   ============================================================================ */

:root {
    /* Colors */
    --studyme-primary: #667eea;
    --studyme-primary-dark: #5568d3;
    --studyme-secondary: #764ba2;
    --studyme-accent: #f093fb;
    --studyme-dark: #1a202c;
    --studyme-gray-900: #1a202c;
    --studyme-gray-800: #2d3748;
    --studyme-gray-700: #4a5568;
    --studyme-gray-600: #718096;
    --studyme-gray-500: #a0aec0;
    --studyme-gray-400: #cbd5e0;
    --studyme-gray-300: #e2e8f0;
    --studyme-gray-200: #edf2f7;
    --studyme-gray-100: #f7fafc;
    --studyme-white: #ffffff;
    
    /* Gradients */
    --studyme-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --studyme-gradient-light: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    
    /* Spacing */
    --studyme-container-width: 1200px;
    --studyme-container-narrow: 800px;
    --studyme-spacing-xs: 0.5rem;
    --studyme-spacing-sm: 1rem;
    --studyme-spacing-md: 2rem;
    --studyme-spacing-lg: 3rem;
    --studyme-spacing-xl: 4rem;
    --studyme-spacing-2xl: 6rem;
    
    /* Typography */
    --studyme-font-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --studyme-font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Borders */
    --studyme-radius-sm: 4px;
    --studyme-radius-md: 8px;
    --studyme-radius-lg: 12px;
    --studyme-radius-xl: 16px;
    
    /* Shadows */
    --studyme-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.06);
    --studyme-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --studyme-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --studyme-shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15), 0 10px 10px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --studyme-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --studyme-transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --studyme-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================================
   Global Styles
   ============================================================================ */

.studyme-site {
    font-family: var(--studyme-font-base);
    color: var(--studyme-gray-800);
    line-height: 1.6;
}

.studyme-container {
    max-width: var(--studyme-container-width);
    margin: 0 auto;
    padding: 0 var(--studyme-spacing-md);
    position: relative;
    z-index: 1;
}

.studyme-container-narrow {
    max-width: var(--studyme-container-narrow);
}

.studyme-container-full {
    max-width: none;
    width: 100%;
}

.studyme-main {
    min-height: 60vh;
}

/* Fade-in animation for sections */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.studyme-section > .studyme-container {
    animation: fadeInUp 0.6s ease-out;
}

.studyme-section {
    padding: var(--studyme-spacing-2xl) 0;
    position: relative;
}

.studyme-section:not(:last-child)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--studyme-gradient);
    border-radius: 2px;
    opacity: 0.3;
}

/* ============================================================================
   Header & Navigation
   ============================================================================ */

.studyme-header {
    background: var(--studyme-white);
    border-bottom: 1px solid var(--studyme-gray-200);
    padding: var(--studyme-spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--studyme-shadow-sm);
}

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

.studyme-logo a {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--studyme-gray-900);
    transition: var(--studyme-transition);
}

.studyme-logo .logo-text {
    background: var(--studyme-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.studyme-logo .logo-ai {
    font-weight: 400;
}

.studyme-logo a:hover {
    opacity: 0.8;
}

.studyme-nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--studyme-spacing-md);
    align-items: center;
}

.studyme-nav-item a {
    text-decoration: none;
    color: var(--studyme-gray-700);
    font-weight: 500;
    padding: var(--studyme-spacing-xs) var(--studyme-spacing-sm);
    border-radius: var(--studyme-radius-sm);
    transition: var(--studyme-transition);
    display: block;
}

.studyme-nav-item a:hover {
    color: var(--studyme-primary);
    background: var(--studyme-gray-100);
}

.studyme-nav-item.active a {
    color: var(--studyme-primary);
    background: var(--studyme-gradient-light);
}

/* Mobile Menu Toggle */
.studyme-mobile-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--studyme-spacing-xs);
    gap: 4px;
}

.studyme-mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--studyme-gray-700);
    transition: var(--studyme-transition);
}

/* ============================================================================
   Footer
   ============================================================================ */

.studyme-footer {
    background: var(--studyme-gray-900);
    color: var(--studyme-gray-400);
    padding: var(--studyme-spacing-xl) 0 var(--studyme-spacing-md);
    margin-top: var(--studyme-spacing-2xl);
}

.studyme-footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--studyme-spacing-lg);
    margin-bottom: var(--studyme-spacing-lg);
}

.studyme-footer-brand {
    grid-column: 1 / -1;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--studyme-white);
    margin: 0 0 var(--studyme-spacing-sm);
}

.footer-logo .logo-ai {
    font-weight: 400;
    color: var(--studyme-primary);
}

.footer-tagline {
    color: var(--studyme-gray-500);
    margin: 0;
    line-height: 1.6;
}

.footer-heading {
    color: var(--studyme-white);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 var(--studyme-spacing-sm);
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

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

.footer-links a {
    color: var(--studyme-gray-400);
    text-decoration: none;
    transition: var(--studyme-transition);
}

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

.studyme-footer-bottom {
    border-top: 1px solid var(--studyme-gray-800);
    padding-top: var(--studyme-spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--studyme-spacing-sm);
}

.footer-copyright,
.footer-note {
    margin: 0;
    font-size: 0.875rem;
    color: var(--studyme-gray-500);
}

.footer-contact-info {
    color: var(--studyme-gray-400);
    line-height: 1.8;
}

.footer-contact-info p {
    margin: 0 0 0.5rem 0;
    font-size: 0.875rem;
}

.footer-contact-info p:last-child {
    margin-bottom: 0;
}

.footer-contact-info strong {
    color: var(--studyme-white);
    font-weight: 600;
}

/* ============================================================================
   Buttons
   ============================================================================ */

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--studyme-radius-md);
    cursor: pointer;
    transition: var(--studyme-transition);
    line-height: 1.5;
}

.btn-primary {
    background: var(--studyme-gradient);
    color: var(--studyme-white);
    box-shadow: var(--studyme-shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--studyme-shadow-lg);
}

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

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

.btn-tertiary {
    background: var(--studyme-gray-100);
    color: var(--studyme-gray-700);
    border: 2px solid var(--studyme-gray-300);
}

.btn-tertiary:hover {
    background: var(--studyme-gray-200);
    border-color: var(--studyme-gray-400);
    color: var(--studyme-gray-900);
}

.btn-icon {
    display: inline-block;
    margin-right: 0.5rem;
    font-size: 1.1em;
    vertical-align: middle;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ============================================================================
   Typography
   ============================================================================ */

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--studyme-gray-900);
    margin: 0 0 var(--studyme-spacing-sm);
    line-height: 1.2;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--studyme-gradient);
    border-radius: 2px;
}

.section-title.centered {
    text-align: center;
}

.section-title.centered::after {
    left: 50%;
    transform: translateX(-50%);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--studyme-gray-600);
    margin: 0 0 var(--studyme-spacing-lg);
    line-height: 1.6;
}

.section-subtitle.centered {
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--studyme-gray-900);
    margin: 0 0 var(--studyme-spacing-sm);
    line-height: 1.2;
}

.page-subtitle {
    font-size: 1.5rem;
    color: var(--studyme-gray-600);
    margin: 0;
    line-height: 1.5;
}

/* ============================================================================
   Homepage - Hero Section
   ============================================================================ */

.studyme-hero {
    padding: var(--studyme-spacing-2xl) 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.studyme-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.studyme-hero .studyme-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--studyme-spacing-xl);
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--studyme-gray-900);
    margin: 0 0 var(--studyme-spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--studyme-gray-600);
    margin: 0 0 var(--studyme-spacing-lg);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--studyme-spacing-sm);
    flex-wrap: wrap;
    align-items: flex-start;
}

.hero-cta-tertiary {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.btn-hint {
    font-size: 0.75rem;
    color: var(--studyme-gray-500);
    font-weight: 400;
    text-align: center;
    line-height: 1.2;
    margin-top: 0.25rem;
}

.studyme-hero .btn-hint {
    color: var(--studyme-gray-600);
}

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

.hero-image-wrapper {
    width: 100%;
    max-width: 600px;
    border-radius: var(--studyme-radius-xl);
    overflow: hidden;
    box-shadow: var(--studyme-shadow-xl);
    transition: var(--studyme-transition);
}

.hero-image-wrapper:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 35px rgba(0, 0, 0, 0.2);
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: var(--studyme-radius-xl);
}

/* ============================================================================
   Homepage - How It Works
   ============================================================================ */

.studyme-how-it-works {
    background: var(--studyme-white);
}

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

.step-card {
    text-align: center;
    padding: var(--studyme-spacing-xl);
    background: var(--studyme-white);
    border: 2px solid var(--studyme-gray-200);
    border-radius: var(--studyme-radius-lg);
    transition: var(--studyme-transition);
    box-shadow: var(--studyme-shadow-sm);
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--studyme-gradient);
    transform: scaleX(0);
    transition: var(--studyme-transition);
    transform-origin: left;
}

.step-card:hover {
    border-color: var(--studyme-primary);
    transform: translateY(-6px);
    box-shadow: var(--studyme-shadow-xl);
}

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

.step-icon {
    margin: 0 auto var(--studyme-spacing-md);
    width: 100px;
    height: 100px;
    position: relative;
    z-index: 1;
}

.step-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 4px 8px rgba(102, 126, 234, 0.2));
    transition: var(--studyme-transition);
}

.step-card:hover .step-icon svg {
    filter: drop-shadow(0 6px 12px rgba(102, 126, 234, 0.3));
    transform: scale(1.05);
}

.step-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--studyme-gray-900);
    margin: 0 0 var(--studyme-spacing-sm);
}

.step-description {
    color: var(--studyme-gray-600);
    line-height: 1.6;
    margin: 0;
}

/* ============================================================================
   Homepage - Features
   ============================================================================ */

.studyme-features {
    background: var(--studyme-gray-100);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--studyme-spacing-md);
    margin-top: var(--studyme-spacing-lg);
}

.feature-card {
    padding: var(--studyme-spacing-xl);
    background: var(--studyme-white);
    border-radius: var(--studyme-radius-lg);
    transition: var(--studyme-transition);
    box-shadow: var(--studyme-shadow-sm);
    border: 1px solid var(--studyme-gray-200);
    position: relative;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--studyme-gradient-light);
    opacity: 0;
    border-radius: var(--studyme-radius-lg);
    transition: var(--studyme-transition);
    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--studyme-shadow-xl);
    border-color: var(--studyme-primary);
}

.feature-card:hover::after {
    opacity: 1;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-icon {
    margin-bottom: var(--studyme-spacing-md);
    width: 60px;
    height: 60px;
    position: relative;
    z-index: 1;
    transition: var(--studyme-transition);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--studyme-gray-900);
    margin: 0 0 var(--studyme-spacing-xs);
}

.feature-description {
    color: var(--studyme-gray-600);
    line-height: 1.6;
    margin: 0;
}

/* ============================================================================
   Homepage - Benefits
   ============================================================================ */

.studyme-benefits {
    background: var(--studyme-white);
}

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

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--studyme-spacing-md);
}

.benefit-item {
    display: flex;
    gap: var(--studyme-spacing-md);
    align-items: flex-start;
}

.benefit-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.benefit-icon svg {
    width: 100%;
    height: 100%;
}

.benefit-text h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--studyme-gray-900);
    margin: 0 0 0.25rem;
}

.benefit-text p {
    color: var(--studyme-gray-600);
    margin: 0;
    line-height: 1.6;
}

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

.benefits-image-wrapper {
    width: 100%;
    max-width: 600px;
    border-radius: var(--studyme-radius-xl);
    overflow: hidden;
    box-shadow: var(--studyme-shadow-lg);
    transition: var(--studyme-transition);
}

.benefits-image-wrapper:hover {
    transform: scale(1.02);
    box-shadow: var(--studyme-shadow-xl);
}

.benefits-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: var(--studyme-radius-xl);
}

/* ============================================================================
   Homepage - CTA
   ============================================================================ */

.studyme-cta {
    background: var(--studyme-gradient);
    color: var(--studyme-white);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--studyme-white);
    margin: 0 0 var(--studyme-spacing-md);
}

.cta-text {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 var(--studyme-spacing-lg);
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: var(--studyme-spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: var(--studyme-spacing-md);
}

.cta-button-with-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.studyme-cta .btn-hint {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
}

.cta-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    margin: var(--studyme-spacing-md) 0 0;
}

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

.studyme-cta .btn-primary:hover {
    background: var(--studyme-gray-100);
}

.studyme-cta .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--studyme-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.studyme-cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* ============================================================================
   FAQ Page
   ============================================================================ */

.studyme-page-header {
    text-align: center;
    padding: var(--studyme-spacing-xl) 0;
    background: var(--studyme-gradient-light);
}

.studyme-faq-content {
    background: var(--studyme-white);
}

.faq-category {
    margin-bottom: var(--studyme-spacing-xl);
}

.faq-category-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--studyme-gray-900);
    margin: 0 0 var(--studyme-spacing-md);
    padding-bottom: var(--studyme-spacing-sm);
    border-bottom: 2px solid var(--studyme-primary);
}

.faq-item {
    margin-bottom: var(--studyme-spacing-sm);
    border: 1px solid var(--studyme-gray-300);
    border-radius: var(--studyme-radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--studyme-spacing-md);
    background: var(--studyme-white);
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--studyme-gray-900);
    cursor: pointer;
    transition: var(--studyme-transition);
}

.faq-question:hover {
    background: var(--studyme-gray-100);
}

.faq-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    transition: var(--studyme-transition);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 0 var(--studyme-spacing-md) var(--studyme-spacing-md);
    color: var(--studyme-gray-700);
    line-height: 1.6;
}

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

.faq-answer p {
    margin: 0 0 var(--studyme-spacing-sm);
}

.faq-answer ul,
.faq-answer ol {
    margin: var(--studyme-spacing-sm) 0;
    padding-left: var(--studyme-spacing-md);
}

.faq-answer li {
    margin-bottom: var(--studyme-spacing-xs);
}

.faq-contact {
    text-align: center;
    padding: var(--studyme-spacing-xl);
    background: var(--studyme-gradient-light);
    border-radius: var(--studyme-radius-lg);
    margin-top: var(--studyme-spacing-xl);
}

.faq-contact h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--studyme-gray-900);
    margin: 0 0 var(--studyme-spacing-sm);
}

.faq-contact p {
    color: var(--studyme-gray-600);
    margin: 0 0 var(--studyme-spacing-md);
}

/* ============================================================================
   About Page
   ============================================================================ */

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

.about-content-grid-reverse {
    direction: rtl;
}

.about-content-grid-reverse > * {
    direction: ltr;
}

.about-text p {
    font-size: 1.125rem;
    color: var(--studyme-gray-700);
    line-height: 1.7;
    margin: 0 0 var(--studyme-spacing-md);
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-image-placeholder svg {
    width: 100%;
    max-width: 400px;
    height: auto;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.studyme-about-mission {
    background: var(--studyme-white);
}

.studyme-about-vision {
    background: var(--studyme-gray-100);
}

.studyme-about-different {
    background: var(--studyme-white);
}

.difference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--studyme-spacing-lg);
    margin-top: var(--studyme-spacing-lg);
}

.difference-card {
    text-align: center;
    padding: var(--studyme-spacing-lg);
}

.difference-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--studyme-spacing-md);
}

.difference-icon svg {
    width: 100%;
    height: 100%;
}

.difference-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--studyme-gray-900);
    margin: 0 0 var(--studyme-spacing-xs);
}

.difference-card p {
    color: var(--studyme-gray-600);
    line-height: 1.6;
    margin: 0;
}

.studyme-about-story {
    background: var(--studyme-gray-100);
}

.story-content p {
    font-size: 1.125rem;
    color: var(--studyme-gray-700);
    line-height: 1.7;
    margin: 0 0 var(--studyme-spacing-md);
}

.studyme-about-values {
    background: var(--studyme-white);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--studyme-spacing-lg);
    margin-top: var(--studyme-spacing-lg);
}

.value-card {
    padding: var(--studyme-spacing-lg);
    background: var(--studyme-gray-100);
    border-radius: var(--studyme-radius-lg);
    transition: var(--studyme-transition);
    box-shadow: var(--studyme-shadow-sm);
    border: 1px solid var(--studyme-gray-200);
}

.value-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--studyme-shadow-lg);
    background: var(--studyme-white);
}

.value-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--studyme-gray-900);
    margin: 0 0 var(--studyme-spacing-xs);
}

.value-card p {
    color: var(--studyme-gray-600);
    line-height: 1.6;
    margin: 0;
}

.studyme-about-cta {
    background: var(--studyme-gray-900);
    color: var(--studyme-white);
}

.studyme-about-cta .cta-title {
    color: var(--studyme-white);
}

.studyme-about-cta .cta-text {
    color: var(--studyme-gray-400);
}

/* ============================================================================
   Contact Page Styles
   ============================================================================ */

.studyme-contact-info {
    background: var(--studyme-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--studyme-spacing-lg);
    margin-top: var(--studyme-spacing-lg);
    justify-items: center;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.contact-card {
    text-align: center;
    padding: var(--studyme-spacing-lg);
    background: var(--studyme-gray-100);
    border-radius: var(--studyme-radius-lg);
    transition: var(--studyme-transition);
    box-shadow: var(--studyme-shadow-sm);
    border: 1px solid var(--studyme-gray-200);
}

.contact-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--studyme-shadow-lg);
    background: var(--studyme-white);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--studyme-spacing-md);
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--studyme-gray-900);
    margin: 0 0 var(--studyme-spacing-xs);
}

.contact-card-text {
    color: var(--studyme-gray-600);
    line-height: 1.6;
    margin: 0 0 var(--studyme-spacing-sm);
}

.contact-link {
    display: inline-block;
    color: var(--studyme-primary);
    font-weight: 500;
    text-decoration: none;
    transition: var(--studyme-transition);
    font-size: 1.125rem;
}

.contact-link:hover {
    color: var(--studyme-primary-dark);
    text-decoration: underline;
}

.studyme-contact-response {
    background: var(--studyme-gray-100);
}

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

.response-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--studyme-spacing-lg);
    margin-top: var(--studyme-spacing-lg);
}

.response-item {
    display: flex;
    align-items: flex-start;
    gap: var(--studyme-spacing-md);
    padding: var(--studyme-spacing-md);
    background: var(--studyme-white);
    border-radius: var(--studyme-radius-md);
    box-shadow: var(--studyme-shadow-sm);
}

.response-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.response-icon svg {
    width: 100%;
    height: 100%;
}

.response-text {
    flex: 1;
    text-align: left;
}

.response-text h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--studyme-gray-900);
    margin: 0 0 var(--studyme-spacing-xs);
}

.response-text p {
    color: var(--studyme-gray-600);
    margin: 0;
    font-size: 0.9375rem;
}

.studyme-contact-faq {
    background: var(--studyme-white);
}

.faq-cta-box {
    background: var(--studyme-gradient);
    border-radius: var(--studyme-radius-xl);
    padding: var(--studyme-spacing-xl);
    text-align: center;
    color: var(--studyme-white);
    box-shadow: var(--studyme-shadow-lg);
}

.faq-cta-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--studyme-white);
    margin: 0 0 var(--studyme-spacing-sm);
}

.faq-cta-text {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 var(--studyme-spacing-lg);
    line-height: 1.6;
}

.faq-cta-box .btn-secondary {
    background: var(--studyme-white);
    color: var(--studyme-primary);
    border: none;
}

.faq-cta-box .btn-secondary:hover {
    background: var(--studyme-gray-100);
    transform: translateY(-2px);
    box-shadow: var(--studyme-shadow-md);
}

.studyme-contact-additional {
    background: var(--studyme-gray-100);
}

.additional-content {
    margin-top: var(--studyme-spacing-lg);
}

.additional-content p {
    font-size: 1.125rem;
    color: var(--studyme-gray-700);
    line-height: 1.7;
    margin: 0 0 var(--studyme-spacing-md);
}

.additional-content p:last-child {
    margin-bottom: 0;
}

/* ============================================================================
   Shortcode Pages (My Page & Account)
   ============================================================================ */

.studyme-shortcode-page {
    padding: var(--studyme-spacing-xl) 0;
}

.studyme-lesson-editor-section {
    padding-top: 0;
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

@media (max-width: 1024px) {
    :root {
        --studyme-spacing-xl: 3rem;
        --studyme-spacing-2xl: 4rem;
    }
    
    .studyme-hero .studyme-container,
    .benefits-content,
    .about-content-grid {
        grid-template-columns: 1fr;
        gap: var(--studyme-spacing-lg);
    }
    
    .hero-visual,
    .benefits-visual,
    .about-visual {
        order: -1;
    }
    
    .hero-image-wrapper,
    .benefits-image-wrapper {
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --studyme-spacing-md: 1rem;
        --studyme-spacing-lg: 2rem;
        --studyme-spacing-xl: 2rem;
        --studyme-spacing-2xl: 3rem;
    }
    
    .studyme-mobile-toggle {
        display: flex;
    }
    
    .studyme-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--studyme-white);
        border-top: 1px solid var(--studyme-gray-200);
        box-shadow: var(--studyme-shadow-md);
        display: none;
    }
    
    .studyme-nav.active {
        display: block;
    }
    
    .studyme-nav-list {
        flex-direction: column;
        padding: var(--studyme-spacing-md);
        gap: 0;
    }
    
    .studyme-nav-item {
        width: 100%;
    }
    
    .studyme-nav-item a {
        display: block;
        padding: var(--studyme-spacing-sm);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .page-subtitle {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn,
    .hero-cta-tertiary {
        width: 100%;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn,
    .cta-button-with-hint {
        width: 100%;
    }
    
    .hero-image-wrapper,
    .benefits-image-wrapper {
        max-width: 100%;
        border-radius: var(--studyme-radius-lg);
    }
    
    .hero-image-wrapper:hover,
    .benefits-image-wrapper:hover {
        transform: none;
    }
    
    .studyme-footer-grid {
        grid-template-columns: 1fr;
        gap: var(--studyme-spacing-md);
    }
    
    .studyme-footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .steps-grid,
    .features-grid,
    .difference-grid,
    .values-grid,
    .contact-grid,
    .response-details {
        grid-template-columns: 1fr;
    }
    
    .step-card,
    .feature-card {
        padding: var(--studyme-spacing-md);
    }
}

@media (max-width: 480px) {
    .studyme-container {
        padding: 0 var(--studyme-spacing-sm);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .page-title {
        font-size: 1.75rem;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9375rem;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .hero-image-wrapper,
    .benefits-image-wrapper {
        border-radius: var(--studyme-radius-md);
    }
    
    .step-card,
    .feature-card,
    .value-card {
        padding: var(--studyme-spacing-sm);
    }
}

/* ============================================================================
   Print Styles
   ============================================================================ */

@media print {
    .studyme-header,
    .studyme-footer,
    .studyme-cta,
    .hero-cta,
    .faq-contact {
        display: none;
    }
}