/* Import futurystycznych fontów */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;800;900&family=Raleway:wght@300;400;500;600;700&display=swap');

/* Reset i podstawowe style */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Kolorystyka kosmiczna z gradientami */
    --aurora-blue: #3B82F6;
    --aurora-purple: #8B5CF6;
    --aurora-green: #22C55E;
    --dark-space: #0F172A;
    --deep-navy: #1E293B;
    --star-white: #FFFFFF;
    --cosmic-gray: #64748B;
    --nebula-dark: #334155;
    
    /* Gradienty */
    --aurora-gradient: linear-gradient(90deg, var(--aurora-blue), var(--aurora-purple), var(--aurora-green));
    --space-gradient: linear-gradient(135deg, var(--dark-space) 0%, var(--deep-navy) 100%);
    --card-gradient: linear-gradient(145deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 50%, rgba(34, 197, 94, 0.1) 100%);
    
    /* Typografia */
    --font-primary: 'Orbitron', monospace;
    --font-secondary: 'Raleway', sans-serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 4rem 0;
    --card-padding: 2rem;
}

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--star-white);
    background: var(--space-gradient);
    background-attachment: fixed;
    min-height: 100vh;
}

/* Efekt gwiazd w tle */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, var(--star-white), transparent),
        radial-gradient(2px 2px at 40px 70px, var(--star-white), transparent),
        radial-gradient(1px 1px at 90px 40px, var(--star-white), transparent),
        radial-gradient(1px 1px at 130px 80px, var(--star-white), transparent),
        radial-gradient(2px 2px at 160px 30px, var(--star-white), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    opacity: 0.3;
    z-index: -1;
    animation: starTwinkle 20s linear infinite;
}

@keyframes starTwinkle {
    from { transform: translateX(0); }
    to { transform: translateX(-200px); }
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.main-header {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(139, 92, 246, 0.3);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 80px;
}

.header-logo {
    display: flex;
    align-items: center;
}

.header-logo .logo {
    height: 60px;
    width: auto;
    transition: transform 0.3s ease;
    margin-top: 25px;
}

.header-logo .logo:hover {
    transform: scale(1.05);
}

.main-navigation {
    position: relative;
    display: flex;
    align-items: center;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: 2px solid rgba(139, 92, 246, 0.3);
    color: var(--star-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.mobile-menu-toggle:hover {
    border-color: var(--aurora-blue);
    background: rgba(139, 92, 246, 0.1);
    color: var(--aurora-green);
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.nav-menu a {
    color: var(--star-white);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    display: block;
}

.nav-menu a:hover {
    background: var(--card-gradient);
    color: var(--aurora-green);
    transform: translateY(-2px);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--aurora-gradient);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-menu a:hover::after {
    width: 80%;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 80px);
}

/* Hero Section */
.hero-section {
    padding: var(--section-padding);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

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

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

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    background: var(--aurora-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    text-shadow: 0 0 30px rgba(139, 92, 246, 0.5);
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    color: var(--cosmic-gray);
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-details {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.detail-item {
    background: var(--card-gradient);
    padding: 1rem 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(139, 92, 246, 0.3);
    backdrop-filter: blur(10px);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    text-decoration: none;
    font-weight: 600;
    font-family: var(--font-primary);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
    font-size: 1rem;
}

.btn-primary {
    background: var(--aurora-gradient);
    color: var(--dark-space);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--star-white);
    border-color: var(--aurora-purple);
}

.btn-secondary:hover {
    background: var(--aurora-purple);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.4);
}

/* Conference Info Section */
.conference-info {
    padding: var(--section-padding);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.info-card {
    background: var(--card-gradient);
    padding: var(--card-padding);
    border-radius: 1rem;
    border: 1px solid rgba(139, 92, 246, 0.3);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.info-card:hover::before {
    left: 100%;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.3);
    border-color: var(--aurora-green);
}

.info-card h2 {
    font-family: var(--font-primary);
    color: var(--aurora-green);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.info-card ul {
    list-style: none;
    padding-left: 0;
}

.info-card li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.info-card li::before {
    content: '★';
    position: absolute;
    left: 0;
    color: var(--aurora-blue);
}

/* Sponsors Section */
.sponsors-section {
    padding: var(--section-padding);
    text-align: center;
    background: rgba(30, 41, 59, 0.5);
    border-top: 1px solid rgba(139, 92, 246, 0.3);
    border-bottom: 1px solid rgba(139, 92, 246, 0.3);
}

.sponsors-section h2 {
    font-family: var(--font-primary);
    color: var(--aurora-purple);
    margin-bottom: 2rem;
    font-size: 2rem;
}

.sponsors-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.sponsor-logo {
    background: var(--star-white);
    padding: 1.5rem;
    border-radius: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.sponsor-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.4);
}

.sponsor-image {
    height: 60px;
    width: auto;
}

.sponsors-text {
    color: var(--cosmic-gray);
    font-style: italic;
}

/* Call to Action */
.call-to-action {
    padding: var(--section-padding);
    text-align: center;
    background: var(--card-gradient);
}

.call-to-action h2 {
    font-family: var(--font-primary);
    color: var(--aurora-green);
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.call-to-action p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--cosmic-gray);
}

/* Footer */
.main-footer {
    background: var(--dark-space);
    border-top: 1px solid rgba(139, 92, 246, 0.3);
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    font-family: var(--font-primary);
    color: var(--aurora-blue);
    margin-bottom: 1rem;
}

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

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

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

.footer-section a:hover {
    color: var(--aurora-green);
}

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

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: var(--card-gradient);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(139, 92, 246, 0.3);
}

th {
    background: var(--aurora-gradient);
    color: var(--dark-space);
    font-weight: 600;
    font-family: var(--font-primary);
}

tr:hover {
    background: rgba(139, 92, 246, 0.1);
}

tr:last-child td {
    border-bottom: none;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--aurora-green);
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 0.5rem;
    background: rgba(30, 41, 59, 0.8);
    color: var(--star-white);
    font-family: var(--font-secondary);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--aurora-blue);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--cosmic-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
        z-index: 1001;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        right: 0;
        background: var(--dark-space);
        backdrop-filter: blur(15px);
        flex-direction: column;
        gap: 0;
        border-radius: 0 0 1rem 1rem;
        border: 1px solid rgba(139, 92, 246, 0.3);
        border-top: none;
        display: none;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        z-index: 1000;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu a {
        display: block;
        padding: 1rem 1.5rem;
        border-radius: 0;
        border-bottom: 1px solid rgba(139, 92, 246, 0.1);
        text-align: center;
        font-weight: 500;
        transition: all 0.3s ease;
        color: var(--star-white);
    }
    
    .nav-menu a:hover {
        background: var(--card-gradient);
        color: var(--aurora-green);
    }
    
    .nav-menu a::after {
        display: none;
    }
    
    .nav-menu li:last-child a {
        border-bottom: none;
        border-radius: 0 0 1rem 1rem;
    }
    
    .hero-details {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .sponsors-grid {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 2rem 0;
        --card-padding: 1rem;
    }
    
    .container {
        padding: 0 0.5rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .nav-menu a {
        padding: 1rem 0.5rem;
        font-size: 0.95rem;
    }
    
    .nav-menu a:hover {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .nav-menu a::before {
        left: 0.5rem;
    }
    
    .mobile-menu-toggle {
        font-size: 1.3rem;
        padding: 0.4rem;
    }
}

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

/* Mobile menu functionality - podstawowe działanie */

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --aurora-blue: #4A90E2;
        --aurora-purple: #9A5BF6;
        --aurora-green: #2DD55B;
        --star-white: #FFFFFF;
        --dark-space: #000000;
    }
}

.technical-guidelines,
.jury-section,
.submission-info{
    margin-top: 50px;
}

.submission-info .submission-form{
    margin-bottom: 40px;
}