:root {
    --primary-color: #c0d9eb;
    --secondary-color: #910101;
    --white-color: #ffffff;

    /* New premium tokens */
    --glass-bg: rgba(255, 255, 255, 0.45);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
    --glass-shadow-hover: 0 12px 40px 0 rgba(31, 38, 135, 0.1);
    --text-main: #2d3748;
}

body {
    font-family: 'Playfair Display', 'Source Sans Pro', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-main);
    background-color: #f8fafc;
    overflow-x: hidden;
}

/* Base utility classes */
.bg-primary {
    background-color: var(--primary-color);
}

.text-primary {
    color: var(--primary-color);
}

.bg-secondary {
    background-color: var(--secondary-color);
}

.text-secondary {
    color: var(--secondary-color);
}

.text-white {
    color: var(--white-color);
}

/* Glassmorphism utility */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.glass-nav {
    background: rgba(192, 217, 235, 0.9);
    /* Niebieskie tło oparte na var(--primary-color) */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.hidden-logo {
    opacity: 0;
    max-height: 0 !important;
    transform: translateY(-20px) scale(0.95);
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    pointer-events: none;
}

.glass-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.03);
    border-radius: 20px;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 255, 255, 1);
}

/* Circular Background Design Elements (Animated Orbs) */
.orb-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: transparent;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.85;
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    width: 800px;
    height: 800px;
    background: var(--primary-color);
    /* Główny kolor firmy */
    top: -20%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 900px;
    height: 900px;
    background: var(--primary-color);
    /* Główny kolor firmy jako podstawa po przeciwnej stronie */
    bottom: -20%;
    right: -10%;
    animation-delay: -5s;
    animation-duration: 25s;
}

.orb-3 {
    width: 700px;
    height: 700px;
    background: rgba(255, 255, 255, 0.9);
    /* Czysta biel dla ładnego przejścia i rozjaśnienia z głównym kolorem */
    top: 20%;
    left: 40%;
    animation-delay: -10s;
    animation-duration: 22s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(40px, -60px) scale(1.1);
    }

    66% {
        transform: translate(-30px, 30px) scale(0.95);
    }

    100% {
        transform: translate(0, 0) scale(1);
    }
}

/* Circular portfolio images */
.circular-image {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--secondary-color);
    box-shadow: 0 10px 20px rgba(145, 1, 1, 0.1);
    transition: transform 0.5s ease, box-shadow 0.5s ease, border-color 0.3s ease;
}

.glass-card:hover .circular-image {
    transform: scale(1.04) rotate(2deg);
    box-shadow: 0 15px 25px rgba(145, 1, 1, 0.18);
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 120px;
}

/* Section animation on scroll */
.section {
    opacity: 0;
    transform: translateY(40px);
    transition:
        opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Navigation link hover underline */
.nav-menu a {
    position: relative;
    transition: color 0.3s ease;
    font-weight: 600;
}

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

.nav-menu a:hover {
    color: var(--secondary-color);
}

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

/* Typewriter effect */
.typewriter {
    display: inline-block;
    max-width: 100%;
}

.typewriter h2 {
    overflow: hidden;
    white-space: nowrap;
    margin: 0 auto;
    letter-spacing: 0.02em;
    animation: typing 2.5s steps(40, end);
    display: inline-block;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.05);
    padding-bottom: 0.2em;
}

.typewriter-desc {
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    animation: fadeIn 1.5s ease-out forwards;
    animation-delay: 2s;
}

@keyframes typing {
    from {
        width: 0
    }

    to {
        width: 100%
    }
}

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

    to {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
}

/* Button Styling for Premium Look */
.btn-premium {
    background: var(--secondary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(145, 1, 1, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: inline-block;
    font-weight: 600;
    border-radius: 9999px;
    padding: 0.75rem 2rem;
}

.btn-premium::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;
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(145, 1, 1, 0.35);
    background: #a30202;
    color: white;
}

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