:root {
    --primary-text: #1a1a1a;
    --secondary-text: #666666;
    --bg-color: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-border: rgba(255, 255, 255, 0.5);
    --shadow-soft: 0 10px 40px -10px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 20px 50px -12px rgba(0, 0, 0, 0.15);

    /* Grodzisk Colors */
    --top-bar-bg: #333333;
    --nav-red: #C52828;
    /* Grodzisk Red approx */
    --header-white: #ffffff;

    /* Brand Colors */
    --mobywatel-grad: linear-gradient(135deg, #FF4B4B 0%, #D62B2B 100%);
    --eboi-grad: linear-gradient(135deg, #007AFF 0%, #0056B3 100%);
    --oplaty-grad: linear-gradient(135deg, #34C759 0%, #248A3D 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--primary-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Background Mesh */
.background-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background:
        radial-gradient(circle at 10% 20%, rgba(200, 225, 255, 0.4) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(255, 220, 220, 0.4) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(220, 255, 230, 0.3) 0%, transparent 60%);
    filter: blur(60px);
    opacity: 0.8;
}

/* --- Top Info Bar --- */
.top-bar {
    background-color: var(--top-bar-bg);
    color: #dfdfdf;
    font-size: 0.8rem;
    padding: 0.5rem 0;
    width: 100%;
}

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

.top-left,
.top-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.top-right a {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: #dfdfdf;
    text-decoration: none;
    transition: color 0.2s;
}

.top-right a:hover {
    color: white;
}

/* --- White Main Header --- */
.main-header-white {
    background-color: var(--header-white);
    padding: 1rem 0;
    width: 100%;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.logo-wrapper {
    height: 60px;
    display: flex;
    align-items: center;
}

.header-logo {
    height: 100%;
    width: auto;
    object-fit: contain;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.search-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #555;
    transition: transform 0.2s;
}

.search-btn:hover {
    transform: scale(1.1);
    color: var(--nav-red);
}

.social-icons {
    display: flex;
    gap: 0.8rem;
}

.social-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    text-decoration: none;
    transition: transform 0.2s, opacity 0.2s;
}

.social-icon:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

/* Social Colors */
.fb {
    background-color: #3b5998;
}

.insta {
    background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
}

.in {
    background-color: #0077b5;
}

.yt {
    background-color: #FF0000;
}


/* --- Red Navigation Bar --- */
.main-nav-red {
    background-color: var(--nav-red);
    width: 100%;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

.nav-menu li a {
    display: block;
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 1rem 0;
    font-size: 0.95rem;
    position: relative;
    transition: opacity 0.2s;
}

.nav-menu li a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.7);
    transition: width 0.3s;
}

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

/* --- Main Content Area --- */
.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
    /* Added padding top */
}

.intro-text {
    text-align: center;
    margin-bottom: 3rem;
    margin-top: 1rem;
}

.intro-text h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    color: var(--primary-text);
}

.intro-text p {
    color: var(--secondary-text);
    font-size: 1.1rem;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    width: 100%;
    perspective: 1000px;
}

/* Card Styles - Same as before */
.card {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 2.5rem 2rem;
    text-decoration: none;
    color: var(--primary-text);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    isolation: isolate;
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

.card-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
}

.icon-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    transition: transform 0.3s ease;
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.card:hover .icon-circle {
    transform: scale(1.1) rotate(5deg);
}

.card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.card p {
    color: var(--secondary-text);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Specific Card Themes */
.mobywatel .icon-circle {
    color: #D62B2B;
}

.eboi .icon-circle {
    color: #0066CC;
}

.oplaty .icon-circle {
    color: #248A3D;
}

/* Interactive Hover Gradient */
.card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
}

.mobywatel .card-bg {
    background: radial-gradient(circle at top right, rgba(255, 75, 75, 0.1), transparent 70%);
}

.eboi .card-bg {
    background: radial-gradient(circle at top right, rgba(0, 122, 255, 0.1), transparent 70%);
}

.oplaty .card-bg {
    background: radial-gradient(circle at top right, rgba(52, 199, 89, 0.1), transparent 70%);
}

.card:hover .card-bg {
    opacity: 1;
}

/* Arrow Indicator */
.arrow-container {
    margin-top: 1rem;
    color: var(--secondary-text);
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.card:hover .arrow-container {
    opacity: 1;
    transform: translateX(0);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--secondary-text);
    font-size: 0.9rem;
    margin-top: auto;
}

/* Animations */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.fade-in-down {
    animation: fadeInDown 0.8s ease-out forwards;
}

.fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    animation-delay: var(--delay, 0ms);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

/* Responsive */
@media (max-width: 768px) {
    .main-header-white .header-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-direction: column;
        align-items: center;
        gap: 0;
    }

    .nav-menu li {
        width: 100%;
        text-align: center;
    }

    .top-bar-content {
        flex-direction: column;
        gap: 0.5rem;
    }

    h1 {
        font-size: 1.8rem;
    }

    .container {
        padding: 2rem 1.5rem;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 2rem;
    }
}