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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* CSS Variables for Futuristic High-Contrast Color Palette */
:root {
    --primary-color: #00d4ff;
    --primary-dark: #0099cc;
    --secondary-color: #ff6b35;
    --accent-color: #00ff88;
    --text-dark: #0a0a0a;
    --text-light: #4a5568;
    --white: #ffffff;
    --light-gray: #f8fafc;
    --border-color: #e2e8f0;
    --success-color: #00ff88;
    --error-color: #ff3366;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-futuristic: linear-gradient(135deg, #0f0c29 0%, #24243e 35%, #313862 100%);
    --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    --gradient-secondary: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    --shadow-sm: 0 2px 4px 0 rgba(0, 212, 255, 0.1);
    --shadow-md: 0 6px 12px -2px rgba(0, 212, 255, 0.2);
    --shadow-lg: 0 15px 25px -5px rgba(0, 212, 255, 0.25);
    --shadow-xl: 0 25px 50px -12px rgba(0, 212, 255, 0.4);
    --glow-primary: 0 0 20px rgba(0, 212, 255, 0.3);
    --glow-accent: 0 0 15px rgba(0, 255, 136, 0.4);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.lead-text {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-dark);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
}

/* Futuristic Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #0f0c29 0%, #24243e 35%, #313862 100%);
    color: var(--white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
        linear-gradient(135deg, #0f0c29 0%, #24243e 35%, #313862 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="circuitgrid" width="40" height="40" patternUnits="userSpaceOnUse"><g fill="none" stroke="rgba(0,212,255,0.12)" stroke-width="0.5"><path d="M0 20h40M20 0v40"/><path d="M10 10h6v6h-6z M24 24h6v6h-6z"/><circle cx="8" cy="32" r="1.5" fill="rgba(0,255,136,0.15)"/><circle cx="32" cy="8" r="1.5" fill="rgba(255,107,53,0.15)"/><path d="M15 5L25 5 25 15M35 25L35 35 25 35" stroke="rgba(0,212,255,0.1)" stroke-width="1"/></g></pattern></defs><rect width="100" height="100" fill="url(%23circuitgrid)"/></svg>');
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(0, 212, 255, 0.08) 50%, transparent 70%),
        linear-gradient(-45deg, transparent 30%, rgba(255, 107, 53, 0.08) 50%, transparent 70%),
        linear-gradient(135deg, transparent 40%, rgba(16, 185, 129, 0.06) 60%, transparent 80%),
        radial-gradient(circle at 20% 30%, rgba(0, 255, 136, 0.03) 0%, transparent 30%),
        radial-gradient(circle at 80% 70%, rgba(255, 107, 53, 0.03) 0%, transparent 30%);
    animation: futuristicSweep 12s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.08) 0%, transparent 60%);
    animation: pulseGlow 8s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
    0% { 
        opacity: 0.3;
        transform: scale(1);
    }
    100% { 
        opacity: 0.7;
        transform: scale(1.05);
    }
}

@keyframes futuristicSweep {
    0%, 100% { 
        transform: translateX(-150px) translateY(-150px) rotate(0deg);
        opacity: 0.4;
    }
    25% {
        transform: translateX(100px) translateY(-50px) rotate(90deg);
        opacity: 0.8;
    }
    50% { 
        transform: translateX(150px) translateY(150px) rotate(180deg);
        opacity: 0.6;
    }
    75% {
        transform: translateX(-50px) translateY(100px) rotate(270deg);
        opacity: 0.9;
    }
}

.hero-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    z-index: 1;
    position: relative;
}

.hero-text {
    text-align: center;
    position: relative;
    z-index: 2;
    padding-top: 4rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--white);
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
    background: linear-gradient(135deg, #ffffff 0%, #00d4ff 50%, #ffffff 100%);
    background-size: 200% 200%;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 1s ease forwards 0.2s, shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, #00d4ff 50%, #ffffff 100%);
    background-size: 200% 200%;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 3s ease-in-out infinite;
    font-weight: 700;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.social-link-inline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    margin-left: 0.5rem;
    vertical-align: middle;
}

.social-link-inline:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: var(--primary-color);
}

.social-link-inline.x-icon {
    font-size: 0.9rem;
    font-weight: 700;
    font-family: serif;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    font-weight: 400;
    line-height: 1.6;
    animation: fadeInUp 1s ease forwards 0.4s;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--gradient-accent);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    margin: 2rem 0;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--glow-primary);
    animation: fadeInUp 1s ease forwards 0.6s;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    background: var(--primary-color);
}

.vision-mission {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.vision, .mission {
    background: rgba(255, 255, 255, 0.03);
    padding: 2.5rem;
    border-radius: 20px;
    backdrop-filter: blur(15px);
    border: 2px solid rgba(0, 212, 255, 0.2);
    position: relative;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease forwards 0.6s;
}

.vision::before, .mission::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, rgba(0, 212, 255, 0.3), rgba(255, 107, 53, 0.3), rgba(0, 255, 136, 0.3));
    border-radius: 20px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.vision:hover::before, .mission:hover::before {
    opacity: 1;
}

.vision:hover, .mission:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-primary);
    border-color: rgba(0, 212, 255, 0.4);
}

.vision h2, .mission h2 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    font-weight: 700;
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.vision p, .mission p {
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    font-size: 1.1rem;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.cta-button {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--white);
    padding: 1.2rem 3rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: var(--glow-primary);
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.8s;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button::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 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.6), 0 10px 25px rgba(0, 212, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Futuristic Program Overview Section */
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.2rem;
    line-height: 1.8;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Program Overview Styles */
.program-overview {
    margin-top: 4rem;
    text-align: center;
}

.program-overview h2 {
    color: var(--white);
    margin-bottom: 3rem;
    font-size: 2.2rem;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
    background: linear-gradient(135deg, #00d4ff, #0ea5e9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.week-structure {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.week-item {
    background: rgba(15, 23, 42, 0.6);
    padding: 2rem 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.week-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.week-item:hover::before {
    left: 100%;
}

.week-item:hover {
    background: rgba(0, 212, 255, 0.08);
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: var(--glow-primary);
}

.week-number {
    display: block;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.week-title {
    display: block;
    font-size: 1.1rem;
    color: var(--white);
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.demo-day {
    background: rgba(255, 107, 53, 0.05);
    padding: 3rem;
    border-radius: 20px;
    backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 107, 53, 0.3);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.demo-day::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(255, 107, 53, 0.1), transparent);
    animation: rotate 6s linear infinite;
}

.demo-day > * {
    position: relative;
    z-index: 1;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.demo-day h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 2rem;
    font-weight: 700;
    text-shadow: 0 0 15px rgba(255, 107, 53, 0.4);
}

.demo-day p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.2rem;
    line-height: 1.8;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
    font-size: 2.5rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Course Level Section */
.course-level {
    background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #475569 100%);
    color: var(--white);
    padding: 6rem 0;
    position: relative;
}

.course-level::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 70%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.course-level-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.course-level .section-title {
    color: var(--white);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #00d4ff, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.course-level .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
    font-size: 1.2rem;
}

.level-indicator {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.level-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.level-item.active {
    border-color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.level-item.upcoming {
    opacity: 0.7;
}

.level-item:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.3);
}

.level-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

.level-item.upcoming .level-number {
    color: rgba(255, 255, 255, 0.4);
}

.level-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.level-item.upcoming .level-name {
    color: rgba(255, 255, 255, 0.6);
}

.level-description {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.level-item.upcoming .level-description {
    color: rgba(255, 255, 255, 0.5);
}

.level-status {
    font-size: 0.9rem;
    color: var(--accent-color);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.level-item.upcoming .level-status {
    color: rgba(255, 255, 255, 0.5);
}

/* About Section */
.about {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #cbd5e1 100%);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.about .container {
    position: relative;
    z-index: 1;
}

.about-content {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    position: relative;
}

.about-text {
    color: var(--text-light);
}

.about .section-title {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
}

.about-description p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.about-description strong {
    color: var(--primary-color);
    font-weight: 600;
}

.lead-text {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(37, 99, 235, 0.05);
    border-left: 4px solid var(--primary-color);
    border-radius: 10px;
}

blockquote {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 2rem;
    border-radius: 15px;
    margin: 2rem 0;
    font-style: normal;
    font-size: 1.1rem;
    position: relative;
}

blockquote::before {
    content: '"';
    font-size: 4rem;
    position: absolute;
    top: -10px;
    left: 20px;
    opacity: 0.3;
}

.about-description blockquote:last-child {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(16, 185, 129, 0.1));
    border: 2px solid var(--primary-color);
    text-align: center;
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--primary-color);
    margin: 3rem -4rem 2rem -4rem;
    padding: 3rem;
    position: relative;
    background-color: var(--white);
}

.about-description blockquote:last-child::before {
    color: var(--primary-color);
    opacity: 0.2;
}

@media (max-width: 768px) {
    .about-description blockquote:last-child {
        margin: 3rem 0 2rem 0;
        padding: 2rem;
        font-size: 1.1rem;
    }
    
    .about-content {
        padding: 2rem;
        padding-top: 8rem;
    }
    
    .about-image {
        top: 1rem;
        right: 1rem;
        width: 80px;
        height: 80px;
    }
    
    .founder-photo,
    .image-placeholder {
        width: 80px;
        height: 80px;
    }
    
    .image-placeholder i {
        font-size: 1.5rem;
    }
    
    .image-placeholder p {
        font-size: 0.6rem;
    }
}

.about-image {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 120px;
    height: 120px;
}

.founder-photo {
    border: 4px solid var(--white);
    border-radius: 50%;
    width: 120px;
    height: 120px;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
    transition: transform 0.3s ease;
}

.founder-photo:hover {
    transform: scale(1.05);
}

.image-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border: 4px solid var(--white);
    border-radius: 50%;
    width: 120px;
    height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
    transition: transform 0.3s ease;
}

.image-placeholder:hover {
    transform: scale(1.05);
}

.image-placeholder i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.image-placeholder p {
    font-size: 0.7rem;
    margin: 0;
    font-weight: 500;
}

.image-placeholder small {
    font-size: 0.6rem;
    opacity: 0.8;
}

/* Register Section */
.register {
    background: var(--gradient-primary);
    color: var(--white);
}

.register .section-title {
    color: var(--white);
}

.register .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

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

.form-section {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.section-heading {
    color: var(--white);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--white);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.form-group select option {
    background: var(--primary-color);
    color: var(--white);
}

.submit-button {
    width: 100%;
    padding: 1.25rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), #1d4ed8);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.submit-button:hover {
    background: linear-gradient(135deg, #1d4ed8, var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
}

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

.loading-spinner {
    margin-left: 0.5rem;
}

.error-message {
    color: #ff6b6b;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: block;
}

.form-messages {
    margin-top: 2rem;
}

.success-message,
.error-message-box {
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
}

.success-message {
    background: rgba(16, 185, 129, 0.2);
    border: 2px solid var(--accent-color);
}

.error-message-box {
    background: rgba(255, 107, 107, 0.2);
    border: 2px solid #ff6b6b;
}

.success-message i,
.error-message-box i {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.success-message h3,
.error-message-box h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

/* WhatsApp Community Section */
.whatsapp-community {
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.1) 0%, rgba(16, 185, 129, 0.08) 100%);
    border-radius: 15px;
    border: 1px solid rgba(37, 211, 102, 0.2);
    text-align: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.1);
}

.community-title {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.community-link {
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.community-link:hover {
    color: #25d366;
    text-shadow: 0 0 10px rgba(37, 211, 102, 0.5);
}

.community-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    margin-bottom: 2rem;
}

.qr-code-container {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.qr-placeholder {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    border: 2px dashed rgba(255, 255, 255, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    min-width: 200px;
    min-height: 200px;
    justify-content: center;
}

.qr-placeholder i {
    font-size: 3rem;
    color: #25d366;
}

.qr-placeholder p {
    color: var(--white);
    font-weight: 500;
    margin: 0;
}

.qr-placeholder small {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.qr-code-image {
    max-width: 250px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.qr-code-image:hover {
    transform: scale(1.05);
}

.community-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    line-height: 1.5;
    max-width: 500px;
    margin: 0 auto;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    width: 50px;
    height: 50px;
    margin-bottom: 1rem;
    display: block;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    text-align: center;
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(15, 23, 42, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        backdrop-filter: blur(10px);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: 1rem 0;
    }

    .hamburger {
        display: block;
        cursor: pointer;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
        margin-bottom: 2rem;
    }

    .cta-button {
        margin: 1rem 0 2rem 0;
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }

    .vision-mission {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .week-structure {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .week-item {
        padding: 1.5rem;
    }

    .demo-day {
        padding: 2rem;
    }

    .demo-day h3 {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .container {
        padding: 0 1rem;
    }

    .about-content {
        display: block;
        padding: 2rem 1.5rem;
        text-align: center;
    }

    .about-image {
        display: none;
    }

    .about-text {
        width: 100%;
    }

    .form-group select {
        height: 3.5rem;
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
        background-position: right 0.75rem center;
        background-repeat: no-repeat;
        background-size: 1.5rem;
        padding-right: 2.5rem;
    }

    .form-group input,
    .form-group textarea {
        min-height: 3.5rem;
    }
}