* {
    font-family: 'Inter', sans-serif;
}

body {
    background: #000000;
    color: #ffffff;
    overflow-x: hidden;
}

/* Header Styles */
#header {
    background: #000000;
    position: relative;
    overflow: hidden;
}

/* Audio Waves Background for Header */
#header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 3px 3px, transparent 0%, transparent 2.5px, rgba(255, 255, 255, 0.8) 2.5px, rgba(255, 255, 255, 0.8) 3px, transparent 3px);
    background-size: 9px 9px;
    background-repeat: repeat;
    opacity: 1;
    pointer-events: none;
    mask: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.5) 30%, rgba(0, 0, 0, 0.2) 60%, transparent 100%);
    -webkit-mask: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.5) 30%, rgba(0, 0, 0, 0.2) 60%, transparent 100%);
}

/* Navigation Sticky */
#navigation {
    background: #000000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

/* Logo Glow Effect */
.logo-glow {
    color: #90ff90;
    text-shadow: 
        0 0 4px rgba(144, 255, 144, 0.6),
        0 0 8px rgba(144, 255, 144, 0.4),
        0 0 12px rgba(144, 255, 144, 0.3);
}

/* Hero Section */
.hero-bg {
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(90deg, transparent 0%, rgba(144, 255, 144, 0.1) 50%, transparent 100%),
        radial-gradient(circle at 30% 50%, rgba(144, 255, 144, 0.2) 0%, transparent 70%),
        radial-gradient(circle at 70% 30%, rgba(144, 255, 144, 0.15) 0%, transparent 70%);
    animation: backgroundShift 20s ease-in-out infinite;
}

/* Image Carousel Background */
.image-carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}



@keyframes backgroundShift {
    0%, 100% { transform: translateX(0) scale(1); }
    50% { transform: translateX(-10px) scale(1.05); }
}

/* Text Effects */
.text-gradient {
    background: linear-gradient(135deg, #90ff90 0%, #70ff70 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glass Effect */
.glass-effect {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Navigation */
.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #90ff90;
    transition: width 0.3s ease;
}

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

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, #90ff90 0%, #70ff70 100%);
    color: #000000;
    border: 2px solid #90ff90;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(144, 255, 144, 0.4);
}

/* Polish Flag */
.polish-flag {
    background: linear-gradient(to bottom, #ffffff 0%, #ffffff 50%, #dc143c 50%, #dc143c 100%);
    width: 60px;
    height: 40px;
    border-radius: 4px;
    display: inline-block;
    margin-left: 10px;
    position: relative;
    transform: perspective(100px) rotateY(-15deg);
    animation: flag-wave 3s ease-in-out infinite;
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.polish-flag::before {
    content: '';
    position: absolute;
    left: -2px;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #8b4513 0%, #a0522d 50%, #8b4513 100%);
    border-radius: 2px;
}

@keyframes flag-wave {
    0%, 100% { 
        transform: perspective(100px) rotateY(-15deg) rotateZ(0deg);
    }
    50% { 
        transform: perspective(100px) rotateY(-15deg) rotateZ(2deg);
    }
}

/* Stylish Polish Flag Image */
.polish-flag-image {
    animation: flag-float 4s ease-in-out infinite;
    filter: drop-shadow(0 8px 16px rgba(0,0,0,0.4));
    transition: all 0.3s ease;
}

.polish-flag-image:hover {
    transform: scale(1.1) rotate(2deg);
    filter: drop-shadow(0 12px 24px rgba(0,0,0,0.6)) brightness(1.1);
}

@keyframes flag-float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg);
    }
    25% { 
        transform: translateY(-3px) rotate(1deg);
    }
    50% { 
        transform: translateY(-5px) rotate(0deg);
    }
    75% { 
        transform: translateY(-2px) rotate(-1deg);
    }
}

/* Social Icons */
.social-icon {
    width: 20px;
    height: 20px;
    color: #ffffff;
    transition: color 0.3s ease;
}

.social-icon:hover {
    color: #90ff90;
}

/* Footer */
.footer-bg {
    background: #000000;
    position: relative;
    overflow: hidden;
}

/* Audio Waves Background for Footer */
.footer-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('assets/images/footer-waves-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.3;
    pointer-events: none;
}

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

.animate-rotate {
    animation: rotate 20s linear infinite;
}

/* Wave Bars */
.wave-bar {
    animation: wave 1.5s ease-in-out infinite;
}

.wave-bar:nth-child(1) { animation-delay: 0s; }
.wave-bar:nth-child(2) { animation-delay: 0.1s; }
.wave-bar:nth-child(3) { animation-delay: 0.2s; }
.wave-bar:nth-child(4) { animation-delay: 0.3s; }
.wave-bar:nth-child(5) { animation-delay: 0.4s; }
.wave-bar:nth-child(6) { animation-delay: 0.5s; }
.wave-bar:nth-child(7) { animation-delay: 0.6s; }
.wave-bar:nth-child(8) { animation-delay: 0.7s; }
.wave-bar:nth-child(9) { animation-delay: 0.8s; }
.wave-bar:nth-child(10) { animation-delay: 0.9s; }

@keyframes wave {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.5); }
} 

/* Mobile adjustments */
@media (max-width: 640px) {
	.logo-glow { font-size: 1.25rem; }
	.nav-link { font-size: 0.8rem; }
}