/* Welcome */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --bg-card: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #707070;
    --accent-color: #4ade80;
    --accent-hover: #22c55e;
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background: var(--bg-card);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

/* Main Container */
main {
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
}

/* Profile Card */
.profile-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Profile Header - Mobile (Stacked) */
.profile-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* Avatar */
.avatar-container {
    margin-bottom: var(--spacing-md);
}

.avatar {
    width: 160px;
    height: 160px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    border: 4px solid var(--border-color);
    transition: transform var(--transition-normal);
}

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

/* Profile Info */
.profile-info {
    width: 100%;
}

.name-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.name-section h1 {
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.verified-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--accent-color);
    color: var(--bg-primary);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: bold;
}

.bio {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

/* Stats */
.stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.stat-icon {
    font-size: 1.25rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 600;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Time Section */
.time-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.time-label {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.time-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.timestamp {
    font-size: 1.25rem;
    font-weight: 600;
    font-family: 'Courier New', monospace;
    color: var(--accent-color);
    word-break: break-all;
}

.time-unit {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Social Links */
.social-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border: 1px solid var(--border-color);
}

.social-link:hover {
    background: var(--bg-primary);
    transform: translateY(-2px);
    border-color: var(--accent-color);
}

.social-link:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.social-icon {
    width: 20px;
    height: 20px;
}

/* Info Sections (Hobbies & Dislikes) */
.info-section {
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.info-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.info-item {
    background: var(--bg-secondary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.info-item:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
    transform: translateX(4px);
}

/* Follow Button */
.follow-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.follow-button:hover {
    background: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(74, 222, 128, 0.3);
}

.follow-button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.follow-button:active {
    transform: translateY(0);
}

.follow-icon {
    font-size: 1.5rem;
    line-height: 1;
}

/* TABLET BREAKPOINT (768px and up) Horizontal layout for larger screens */
@media (min-width: 768px) {
    main {
        max-width: 720px;
    }
    
    .profile-card {
        padding: var(--spacing-xl);
    }
    
    /* Horizontal Layout */
    .profile-header {
        flex-direction: row;
        text-align: left;
        gap: var(--spacing-lg);
    }
    
    .avatar-container {
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .avatar {
        width: 180px;
        height: 180px;
    }
    
    .profile-info {
        flex: 1;
    }
    
    .name-section {
        justify-content: flex-start;
    }
    
    .name-section h1 {
        font-size: 2rem;
    }
    
    .stats {
        justify-content: flex-start;
    }
    
    .social-links {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .info-list {
        gap: var(--spacing-sm);
    }
}

/* Desktop Breakpoint (1024px and up)
   Enhanced spacing and sizing */
@media (min-width: 1024px) {
    main {
        max-width: 900px;
    }
    
    .profile-card {
        padding: 3rem;
    }
    
    .avatar {
        width: 200px;
        height: 200px;
    }
    
    .name-section h1 {
        font-size: 2.25rem;
    }
    
    .bio {
        font-size: 1rem;
    }
    
    .timestamp {
        font-size: 1.5rem;
    }
    
    .social-link {
        font-size: 0.95rem;
        padding: var(--spacing-md);
    }
    
    .info-item {
        font-size: 0.95rem;
    }
}

/* ACCESSIBILITY & FOCUS STATES */

/* Ensure all interactive elements have visible focus */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: rgba(255, 255, 255, 0.3);
    }
    
    .social-link,
    .info-item {
        border: 1px solid var(--border-color);
    }
}

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

/* Main Navigation Styling */

.main-nav {
    width: 100%;
    max-width: 900px;
    margin: 0 auto 2rem auto;
    padding: 1rem;
}

.nav-links {
    display: flex;
    gap: 1rem;
    list-style: none;
    justify-content: center;
    flex-wrap: wrap;
}

.nav-link {
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    border: 1px solid var(--border-color);
}

.nav-link:hover {
    background: var(--accent-color);
    color: var(--bg-primary);
    transform: translateY(-2px);
}

.nav-link:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.nav-link.active {
    background: var(--accent-color);
    color: var(--bg-primary);
}

/* PAGE styles structure (About & Contact Pages) */

.page-container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

@media (min-width: 768px) {
    .page-container {
        padding: var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .page-container {
        padding: var(--spacing-xl);
    }
}

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

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -1px;
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.page-footer {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ABOUT PAGE STYLES */

.about-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

@media (min-width: 768px) {
    .about-section {
        padding: var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .about-section {
        padding: var(--spacing-xl);
    }
}

.section-heading {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.section-icon {
    font-size: 1.75rem;
}

.section-content {
    color: var(--text-secondary);
    line-height: 1.8;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.section-content p {
    margin-bottom: var(--spacing-md);
}

.section-content h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    word-wrap: break-word;
}

.section-content ul {
    list-style: none;
    padding-left: 0;
}

.section-content li {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
    position: relative;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.section-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.section-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Goals and Confidence Lists */
.goals-list,
.confidence-list {
    margin-top: var(--spacing-md);
}

/* Future Note Styling */
.future-note {
    background: var(--bg-secondary);
    border-left: 4px solid var(--accent-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    font-style: italic;
}

.note-greeting {
    font-size: 1.25rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.note-signature {
    margin-top: var(--spacing-lg);
    font-style: normal;
    color: var(--text-primary);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    margin-top: var(--spacing-xl);
}

.cta-section h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--accent-color);
    color: var(--bg-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1.125rem;
    transition: all var(--transition-normal);
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(74, 222, 128, 0.4);
}

/* CONTACT PAGE STYLING */

.contact-form-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.required {
    color: #ef4444;
    margin-left: 2px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all var(--transition-fast);
    box-sizing: border-box;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: var(--bg-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.form-help {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.error-message {
    display: none;
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
    font-weight: 500;
}

.input-error {
    border-color: #ef4444 !important;
    background: rgba(239, 68, 68, 0.1) !important;
}

.submit-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 1rem 1.5rem;
    background: var(--accent-color);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-top: var(--spacing-md);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(74, 222, 128, 0.4);
}

.submit-button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.submit-button:active {
    transform: translateY(0);
}

.button-icon {
    font-size: 1.25rem;
}

.success-message {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.2) 0%, rgba(34, 197, 94, 0.1) 100%);
    border: 2px solid var(--accent-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    margin-top: var(--spacing-lg);
}

.success-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.success-message h3 {
    color: var(--accent-color);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.success-message p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Contact Info Section */
.contact-info-section {
    margin-top: var(--spacing-xl);
}

.contact-info-section .section-heading {
    text-align: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.contact-info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.contact-info-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.contact-info-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
}

.info-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.contact-info-card h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-info-card a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-size: 0.9rem;
    word-break: break-word;
}

.contact-info-card a:hover {
    color: var(--accent-color);
}

/* Tablet - Contact Page */
@media (min-width: 600px) {
    .contact-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-label {
        font-size: 0.95rem;
    }
    
    .form-input,
    .form-textarea {
        font-size: 1rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .contact-info-card {
        padding: var(--spacing-lg);
    }
    
    .info-icon {
        font-size: 2.5rem;
    }
    
    .contact-info-card h3 {
        font-size: 1.125rem;
    }
    
    .contact-info-card a {
        font-size: 0.95rem;
    }
}

/* Desktop - Contact Page */
@media (min-width: 768px) {
    .contact-form-section {
        padding: var(--spacing-xl);
    }
    
    .form-group {
        margin-bottom: var(--spacing-lg);
    }
    
    .submit-button {
        font-size: 1.125rem;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .success-message {
        padding: var(--spacing-xl);
    }
    
    .success-icon {
        font-size: 3rem;
    }
    
    .success-message h3 {
        font-size: 1.5rem;
    }
    
    .success-message p {
        font-size: 1rem;
    }
    
    .contact-info-section .section-heading {
        font-size: 1.75rem;
    }
}

@media (min-width: 1024px) {
    .contact-form-section {
        padding: 3rem;
    }
    
    .contact-info-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/*  RESPONSIVE  */

@media (min-width: 768px) {
    .page-header h1 {
        font-size: 3rem;
    }
}

@media (max-width: 767px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
    }
    
    body {
        padding: var(--spacing-sm);
    }
    
    .main-nav {
        padding: var(--spacing-sm);
    }
    
    .nav-link {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}

@media (min-width: 1024px) {
    .contact-info-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}