:root {
    --primary: #010192;
    --secondary: #fc0000;
    --accent: #fc0000;
    --dark: #111827;
    --light: #F9FAFB;
    --gradient-primary: linear-gradient(135deg, #010192 0%, #fc0000 100%);
    --gradient-secondary: linear-gradient(135deg, #000050 0%, #010192 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 24px rgba(0, 0, 0, 0.15);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px
}

body {
    font-family: Poppins, sans-serif;
    scroll-behavior: smooth;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    color: var(--dark)
}

h1,
h2,
h3 {
    font-weight: 700;
    color: var(--dark)
}

h1 {
    font-size: 3rem
}

h2 {
    font-size: 2.5rem
}

h3 {
    font-size: 1.75rem
}

p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #374151
}

.bg-vektor-gradient {
    background: var(--gradient-secondary)
}

.bg-hero-gradient {
    background: var(--gradient-primary)
}

.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .6s ease-out, transform .6s ease-out
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0)
}

#hero-section {
    position: relative;
    overflow: hidden
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, .15);
    animation: float 25s infinite
}

@keyframes float {
    0% {
        transform: translateY(0) rotate(0);
        opacity: 1
    }

    50% {
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0
    }

    100% {
        transform: translateY(0) rotate(0);
        opacity: 1
    }
}

.skeleton-loader {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite
}

@keyframes loading {
    0% {
        background-position: 200% 0
    }

    100% {
        background-position: -200% 0
    }
}

.lazy-image {
    opacity: 0;
    transition: opacity .3s ease-in-out
}

.lazy-image.loaded {
    opacity: 1
}

.optimized-transform {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px
}

.content-visibility-auto {
    content-visibility: auto;
    contain-intrinsic-size: 1px 5000px
}

.social-icon-hover {
    transition: transform .3s ease, color .3s ease
}

.social-icon-hover:hover {
    transform: scale(1.2)
}

.client-logo {
    transition: filter .3s ease;
    filter: grayscale(100%)
}

.client-logo:hover {
    filter: grayscale(0%)
}

.animated-gradient {
    background-size: 200% auto;
    transition: background-position .5s ease
}

.animated-gradient:hover {
    background-position: right center
}

.glassmorphism {
    background: rgba(255, 255, 255, .2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, .3)
}

.nav-item {
    position: relative;
    padding: .5rem 1rem;
    border-radius: .5rem;
    transition: all .3s ease
}

.nav-item::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #fff;
    transition: width .3s ease
}

.nav-item:hover::after {
    width: 100%
}

.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .9);
    z-index: 1000;
    justify-content: center;
    align-items: center
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain
}

.lightbox-content {
    max-width: 800px
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 40px;
    font-weight: 700;
    cursor: pointer;
    z-index: 1001
}

@media (prefers-reduced-motion:reduce) {
    * {
        animation-duration: 0s !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0s !important
    }
}

.form-input:focus {
    box-shadow: 0 0 0 3px rgba(1, 1, 146, .1)
}

.active-section {
    color: #fc0000 !important
}

.card-hover {
    transition: all .4s cubic-bezier(.175, .885, .32, 1.275)
}

.card-hover:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, .1)
}

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(60px);
    transition: all .8s cubic-bezier(.25, .46, .45, .94)
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0)
}

.shadow-custom {
    box-shadow: 0 10px 30px rgba(0, 0, 0, .1)
}

.shadow-custom-lg {
    box-shadow: 0 20px 60px rgba(0, 0, 0, .15)
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.text-gradient-secondary {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

@keyframes scroll {
    from {
        transform: translateX(0)
    }

    to {
        transform: translateX(-50%)
    }
}

.animate-scroll {
    animation: scroll 40s linear infinite
}

.group-hover\:pause:hover {
    animation-play-state: paused
}

.filter-btn {
    padding: .5rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    color: #4b5563;
    background-color: #f3f4f6;
    transition: all .3s ease
}

.filter-btn:hover {
    background-color: #e5e7eb
}

.filter-btn.active-filter {
    background-color: var(--primary);
    color: #fff
}