/* CSS Variables for Retro Monochromatic Design System */
:root {
    /* Primary Monochromatic Color Palette */
    --primary-black: #000000;
    --primary-dark: #1a1a1a;
    --primary-darker: #2a2a2a;
    --primary-medium: #404040;
    --primary-light: #666666;
    --primary-lighter: #808080;
    --primary-pale: #cccccc;
    --primary-white: #ffffff;
    
    /* Accent Colors for Retro Feel */
    --accent-neon: #00ff00;
    --accent-cyan: #00ffff;
    --accent-magenta: #ff00ff;
    --accent-yellow: #ffff00;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Merriweather', serif;
    
    /* Spacing System */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius for Volumetric Elements */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* Shadows for Volumetric UI */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.25);
    
    /* Gradients */
    --gradient-dark: linear-gradient(135deg, var(--primary-black) 0%, var(--primary-darker) 100%);
    --gradient-retro: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-medium) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-neon) 0%, var(--accent-cyan) 100%);
    
    /* Container Width */
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    --transition-morph: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Base Styles */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--primary-dark);
    color: var(--primary-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: var(--spacing-md);
    font-size: clamp(1rem, 2.5vw, 1.1rem);
}

/* Section Titles */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--primary-white);
    position: relative;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: var(--border-radius-sm);
    animation: morphWidth var(--transition-morph) infinite alternate;
}

@keyframes morphWidth {
    0% { width: 60px; }
    100% { width: 100px; }
}

/* Global Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-lg);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--primary-black);
    transform: perspective(1000px) rotateX(0deg);
}

.btn-primary:hover {
    transform: perspective(1000px) rotateX(-5deg) translateY(-2px);
    box-shadow: var(--shadow-xl);
    animation: morphScale var(--transition-morph) ease-in-out;
}

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

.btn-secondary:hover {
    background: var(--accent-neon);
    color: var(--primary-black);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

@keyframes morphScale {
    0% { transform: perspective(1000px) rotateX(-5deg) translateY(-2px) scale(1); }
    50% { transform: perspective(1000px) rotateX(-5deg) translateY(-2px) scale(1.05); }
    100% { transform: perspective(1000px) rotateX(-5deg) translateY(-2px) scale(1); }
}

button, input[type='submit'] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-lg);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--gradient-accent);
    color: var(--primary-black);
}

button:hover, input[type='submit']:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--primary-medium);
}

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

.logo h1 {
    font-size: 1.8rem;
    margin: 0;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-lg);
}

.nav-list a {
    color: var(--primary-white);
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 500;
    transition: all var(--transition-normal);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width var(--transition-normal);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--primary-white);
    margin: 3px 0;
    transition: var(--transition-normal);
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
    z-index: 1;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
    animation: morphAppear 1s ease-out;
}

.hero-title {
    color: var(--primary-white);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    color: var(--primary-white);
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

@keyframes morphAppear {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Statistics Section */
.statistics {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-retro);
}

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

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-morph);
    transform: perspective(1000px) rotateY(0deg);
}

.stat-card:hover {
    transform: perspective(1000px) rotateY(5deg) translateY(-10px);
    box-shadow: var(--shadow-xl);
    background: rgba(255, 255, 255, 0.1);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--accent-neon);
    margin-bottom: var(--spacing-sm);
    animation: morphPulse 2s infinite ease-in-out;
}

.stat-label {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-white);
}

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

/* Card Styles */
.card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-morph);
    transform: perspective(1000px) rotateX(0deg);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.card:hover {
    transform: perspective(1000px) rotateX(-5deg) translateY(-10px);
    box-shadow: var(--shadow-xl);
    background: rgba(255, 255, 255, 0.1);
}

.card-image {
    width: 100%;
    height: 250px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-morph);
    margin: 0 auto;
}

.card:hover .card-image img {
    transform: scale(1.1);
}

.card-content h3 {
    color: var(--primary-white);
    margin-bottom: var(--spacing-sm);
}

/* Webinars Section */
.webinars {
    padding: var(--spacing-xxl) 0;
    background: var(--primary-darker);
}

.webinars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.webinar-date {
    color: var(--accent-neon);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

/* Events Section */
.events {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.event-card {
    display: flex;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-morph);
}

.event-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.1);
}

.event-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    color: var(--primary-black);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    margin-right: var(--spacing-md);
    min-width: 80px;
    font-family: var(--font-heading);
    font-weight: 700;
}

.event-date .month {
    font-size: 0.8rem;
    text-transform: uppercase;
}

.event-date .day {
    font-size: 1.8rem;
}

.event-content h3 {
    margin-bottom: var(--spacing-sm);
}

.event-time {
    color: var(--accent-cyan);
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

/* Resources Section */
.resources {
    padding: var(--spacing-xxl) 0;
    background: var(--primary-dark);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.resource-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-morph);
    text-align: center;
}

.resource-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    background: rgba(255, 255, 255, 0.1);
}

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

.resource-link {
    color: var(--accent-neon);
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 600;
    transition: all var(--transition-normal);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
}

.resource-link:hover {
    color: var(--primary-black);
    background: var(--accent-neon);
    border-color: var(--accent-neon);
    transform: translateX(5px);
}

/* Instructors Section */
.instructors {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-retro);
}

.instructors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.instructor-title {
    color: var(--accent-cyan);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

/* Success Stories Section */
.success-stories {
    padding: var(--spacing-xxl) 0;
    background: var(--primary-darker);
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.story-achievement {
    color: var(--accent-magenta);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

/* Contact Section */
.contact {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

.contact-info h3 {
    margin-bottom: var(--spacing-md);
}

.contact-details {
    margin-top: var(--spacing-xl);
}

.contact-item {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    border-left: 4px solid var(--accent-neon);
}

.contact-item h4 {
    color: var(--accent-neon);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
}

/* Form Styles */
.contact-form-wrapper {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-white);
    font-family: var(--font-heading);
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--primary-lighter);
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-white);
    font-family: var(--font-body);
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-neon);
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

/* Footer */
.footer {
    background: var(--primary-black);
    padding: var(--spacing-xxl) 0 var(--spacing-lg) 0;
    border-top: 1px solid var(--primary-medium);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
    color: var(--primary-white);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
}

.footer-section h3 {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.footer-links a {
    color: var(--primary-lighter);
    text-decoration: none;
    transition: all var(--transition-normal);
}

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

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

.social-links a {
    color: var(--primary-lighter);
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 600;
    padding: var(--spacing-sm);
    border: 1px solid var(--primary-lighter);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-normal);
    text-transform: uppercase;
    font-size: 0.9rem;
}

.social-links a:hover {
    color: var(--primary-black);
    background: var(--accent-neon);
    border-color: var(--accent-neon);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--primary-medium);
    color: var(--primary-lighter);
}

/* Special Page Styles */
.page-content {
    padding-top: 100px;
    min-height: 100vh;
}

.success-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
}

.success-content {
    text-align: center;
    max-width: 600px;
    padding: var(--spacing-xl);
}

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

.text-accent {
    color: var(--accent-neon);
}

.bg-transparent {
    background: transparent;
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.fade-in {
    animation: fadeIn 1s ease-in-out;
}

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

/* Scroll Animations */
@keyframes morphSlideIn {
    0% {
        opacity: 0;
        transform: translateY(50px) rotateX(-90deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotateX(0deg);
    }
}

.animate-on-scroll {
    animation: morphSlideIn 0.8s ease-out;
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .event-card {
        flex-direction: column;
    }
    
    .event-date {
        margin-right: 0;
        margin-bottom: var(--spacing-md);
        align-self: flex-start;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2.5rem;
        --spacing-xxl: 3rem;
    }
    
    .webinars-grid,
    .events-grid,
    .instructors-grid,
    .stories-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        width: 100%;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
}

/* Performance Optimizations */
* {
    will-change: auto;
}

.card:hover,
.stat-card:hover,
.event-card:hover {
    will-change: transform;
}

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

/* Focus States */
.btn:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--accent-neon);
    outline-offset: 2px;
}

/* Read More Links */
.read-more {
    color: var(--accent-neon);
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 600;
    transition: all var(--transition-normal);
    position: relative;
}

.read-more::after {
    content: ' →';
    transition: transform var(--transition-normal);
}

.read-more:hover {
    color: var(--accent-cyan);
}

.read-more:hover::after {
    transform: translateX(5px);
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-lighter);
    border-top: 2px solid var(--accent-neon);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}