/* ============================================
   BREAK THE CHAINS™ PORTFOLIO SITE STYLES
   ============================================ */

/* CSS Variables */
:root {
    /* Primary Colors */
    --purple-light: #667eea;
    --purple-dark: #764ba2;
    --purple-darker: #7e22ce;
    --gold: #FFD700;
    --gold-dark: #FFA500;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #fbbf24;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Light Mode */
    --bg-light: #ffffff;
    --bg-light-secondary: #f9fafb;
    --text-light: #1f2937;
    --text-light-secondary: #6b7280;
    
    /* Dark Mode */
    --bg-dark: #0f1419;
    --bg-dark-secondary: #1a1f2e;
    --bg-dark-card: #1e2530;
    --text-dark: #e0e0e0;
    --text-dark-secondary: #a0a0a0;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 80px 20px;
    
    /* Transitions */
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-light);
    color: var(--text-light);
    line-height: 1.6;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Dark Mode Styles */
body.dark-mode {
    background: linear-gradient(135deg, #1a0b2e 0%, #16213e 50%, #1a0b2e 100%);
    color: var(--text-dark);
}

body.dark-mode .hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #667eea 100%);
    box-shadow: 0 10px 50px rgba(102, 126, 234, 0.3);
}

body.dark-mode .section-title,
body.dark-mode .about-text h3 {
    color: var(--gold);
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

body.dark-mode .app-card,
body.dark-mode .book-card,
body.dark-mode .contact-card {
    background: rgba(30, 37, 48, 0.8);
    border-color: rgba(102, 126, 234, 0.2);
    box-shadow: 0 5px 30px rgba(102, 126, 234, 0.15);
    backdrop-filter: blur(10px);
}

body.dark-mode .app-card:hover,
body.dark-mode .book-card:hover,
body.dark-mode .contact-card:hover {
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.3);
}

body.dark-mode .books-section,
body.dark-mode .contact-section {
    background: rgba(15, 20, 25, 0.5);
}

body.dark-mode .mission-box {
    background: rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.4);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.2);
}

body.dark-mode .disclaimer {
    background: rgba(255, 215, 0, 0.1);
    border-color: rgba(255, 215, 0, 0.4);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.1);
}

body.dark-mode .footer {
    background: rgba(15, 20, 25, 0.8);
    border-top-color: rgba(102, 126, 234, 0.2);
}

body.dark-mode .btn-app {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

body.dark-mode .btn-app:hover {
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6);
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Dark Mode Toggle */
.dark-mode-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50px;
    width: 60px;
    height: 60px;
    cursor: pointer;
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all var(--transition);
}

.dark-mode-toggle:hover {
    transform: scale(1.1);
}

.dark-mode .dark-mode-toggle {
    background: rgba(31, 41, 55, 0.9);
}

.dark-mode-toggle .sun-icon {
    display: block;
}

.dark-mode-toggle .moon-icon {
    display: none;
}

.dark-mode .dark-mode-toggle .sun-icon {
    display: none;
}

.dark-mode .dark-mode-toggle .moon-icon {
    display: block;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 20px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 20px;
    opacity: 0.95;
}

.hero-description {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #764ba2;
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-app {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 100%;
    margin-top: auto;
}

.btn-app:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.btn-book {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #764ba2;
    width: 100%;
    margin-top: 15px;
}

.btn-book:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.3);
}

.btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-disabled:hover {
    transform: none;
}

/* Section Styles */
section {
    padding: var(--section-padding);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-light-secondary);
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.dark-mode .section-subtitle {
    color: var(--text-dark-secondary);
}

/* Apps Section */
.apps-section {
    background: var(--bg-light-secondary);
}

.dark-mode .apps-section {
    background: linear-gradient(135deg, rgba(15, 20, 25, 0.9) 0%, rgba(26, 11, 46, 0.9) 100%);
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.app-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.app-card.coming-soon {
    opacity: 0.8;
}

.app-icon {
    font-size: 56px;
    margin-bottom: 20px;
    text-align: center;
}

.app-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--purple-dark);
}

.dark-mode .app-name {
    color: var(--gold);
}

.status-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 15px;
}

.status-badge.live {
    background: var(--success);
    color: white;
}

.status-badge.coming-soon-badge {
    background: var(--warning);
    color: #764ba2;
}

.status-badge.in-dev {
    background: var(--info);
    color: white;
}

.app-tagline {
    font-size: 16px;
    color: var(--text-light-secondary);
    margin-bottom: 20px;
    font-style: italic;
}

.dark-mode .app-tagline {
    color: var(--text-dark-secondary);
}

.app-features {
    list-style: none;
    margin: 20px 0;
    flex-grow: 1;
}

.app-features li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-light);
    font-size: 15px;
}

.dark-mode .app-features li {
    color: var(--text-dark);
}

.app-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

/* About Section */
.about-section {
    background: white;
}

.dark-mode .about-section {
    background: linear-gradient(135deg, rgba(22, 33, 62, 0.9) 0%, rgba(26, 11, 46, 0.9) 100%);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    font-size: 18px;
    line-height: 1.8;
}

.about-intro {
    font-size: 20px;
    font-weight: 500;
    color: var(--purple-dark);
    margin-bottom: 25px;
}

.dark-mode .about-intro {
    color: var(--gold);
}

.about-text p {
    margin-bottom: 20px;
}

.about-text strong {
    color: var(--purple-dark);
}

.dark-mode .about-text strong {
    color: var(--gold);
}

.mission-box {
    background: rgba(102, 126, 234, 0.1);
    border-left: 4px solid var(--purple-light);
    padding: 25px;
    margin: 30px 0;
    border-radius: 10px;
}

.mission-box h3 {
    color: var(--purple-dark);
    margin-bottom: 15px;
    font-size: 22px;
}

.disclaimer {
    background: rgba(255, 215, 0, 0.1);
    border-left: 4px solid var(--gold);
    padding: 20px;
    margin: 30px 0;
    border-radius: 10px;
    font-size: 16px;
}

/* Books Section */
.books-section {
    background: var(--bg-light-secondary);
}

.dark-mode .books-section {
    background: var(--bg-dark-secondary);
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.book-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--transition);
    text-align: center;
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.book-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.book-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--purple-dark);
}

.dark-mode .book-card h3 {
    color: var(--gold);
}

.book-description {
    font-size: 15px;
    color: var(--text-light-secondary);
    margin: 15px 0;
}

.dark-mode .book-description {
    color: var(--text-dark-secondary);
}

.books-features {
    max-width: 600px;
    margin: 50px auto 0;
    padding: 30px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.dark-mode .books-features {
    background: var(--bg-dark-card);
}

.books-features h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: var(--purple-dark);
    text-align: center;
}

.dark-mode .books-features h3 {
    color: var(--gold);
}

.books-features ul {
    list-style: none;
}

.books-features li {
    padding: 12px 0;
    font-size: 16px;
}

/* Contact Section */
.contact-section {
    background: white;
}

.dark-mode .contact-section {
    background: var(--bg-dark-secondary);
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.contact-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--transition);
}

.dark-mode .contact-card {
    background: var(--bg-dark-card);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.contact-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--purple-dark);
}

.dark-mode .contact-card h3 {
    color: var(--gold);
}

.contact-card a {
    color: var(--purple-light);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition);
}

.contact-card a:hover {
    color: var(--purple-dark);
}

.dark-mode .contact-card a {
    color: var(--gold);
}

.dark-mode .contact-card a:hover {
    color: var(--gold-dark);
}

.social-links {
    text-align: center;
    padding: 40px;
    background: var(--bg-light-secondary);
    border-radius: 20px;
}

.dark-mode .social-links {
    background: var(--bg-dark);
}

.social-links h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: var(--purple-dark);
}

.dark-mode .social-links h3 {
    color: var(--gold);
}

.social-icons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.social-icons a {
    background: white;
    padding: 12px 24px;
    border-radius: 50px;
    text-decoration: none;
    color: var(--purple-dark);
    font-weight: 600;
    transition: all var(--transition);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.dark-mode .social-icons a {
    background: var(--bg-dark-card);
    color: var(--gold);
}

.social-icons a:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
    background: var(--bg-light-secondary);
    padding: 60px 20px 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.dark-mode .footer {
    background: var(--bg-dark-secondary);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-bottom: 40px;
}

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

.footer-logo {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.footer-tagline {
    font-size: 16px;
    color: var(--text-light-secondary);
}

.dark-mode .footer-tagline {
    color: var(--text-dark-secondary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.footer-column h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--purple-dark);
}

.dark-mode .footer-column h4 {
    color: var(--gold);
}

.footer-column a {
    display: block;
    padding: 8px 0;
    color: var(--text-light);
    text-decoration: none;
    transition: color var(--transition);
    font-size: 15px;
}

.dark-mode .footer-column a {
    color: var(--text-dark);
}

.footer-column a:hover {
    color: var(--purple-light);
}

.dark-mode .footer-column a:hover {
    color: var(--gold);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--text-light-secondary);
}

.dark-mode .footer-bottom {
    border-top-color: rgba(255, 255, 255, 0.1);
    color: var(--text-dark-secondary);
}

.footer-bottom p {
    margin: 10px 0;
    font-size: 14px;
}

.footer-credit a {
    color: var(--purple-light);
    text-decoration: none;
}

.footer-credit a:hover {
    text-decoration: underline;
}

.footer-mission {
    font-weight: 600;
    color: var(--purple-dark);
}

.dark-mode .footer-mission {
    color: var(--gold);
}

.footer-disclaimer {
    font-size: 12px;
    opacity: 0.8;
    margin-top: 15px;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .apps-grid {
        grid-template-columns: 1fr;
    }
    
    .books-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .social-icons {
        flex-direction: column;
        align-items: center;
    }
    
    .social-icons a {
        width: 100%;
        max-width: 250px;
    }
    
    .dark-mode-toggle {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
    
    .hero {
        padding: 100px 20px 60px;
    }
    
    section {
        padding: 60px 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
    }
}

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

/* Print Styles */
@media print {
    .dark-mode-toggle,
    .back-to-top,
    .hero-buttons,
    .btn {
        display: none;
    }
}