/* Ulepszenia wizualne dla index.html */

/* Efekt lekkiego parallax dla sekcji hero */
.hero {
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 86, 164, 0.9), rgba(0, 160, 227, 0.9));
    z-index: 1;
    animation: pulse 15s infinite alternate;
}

.hero .container {
    position: relative;
    z-index: 2;
}

@keyframes pulse {
    0% {
        opacity: 0.9;
    }
    100% {
        opacity: 1;
    }
}

/* Ulepszenia kart benefitów */
.benefit-card {
    transition: all 0.3s ease;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-top: 3px solid transparent;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
    border-top-color: var(--primary-color);
}

.benefit-card h3 {
    position: relative;
    padding-bottom: 12px;
}

.benefit-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

.benefit-card:hover h3::after {
    width: 60px;
}

/* Stylizacja dla sekcji "Dla kogo" */
.for-whom-item {
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 20px;
    background: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    border-left: 3px solid transparent;
}

.for-whom-item:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary-color);
}

.for-whom-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.for-whom-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 3px;
    background-color: transparent;
    transition: background-color 0.3s ease;
}

.for-whom-item:hover::before {
    background-color: var(--accent-color);
}

/* Stylizacja sekcji FAQ */
.faq-question {
    transition: all 0.3s ease;
    position: relative;
    border-radius: 5px;
    overflow: hidden;
}

.faq-question:hover {
    background-color: #e1e1e1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.faq-answer {
    transition: all 0.3s ease;
    border-left: 3px solid var(--secondary-color);
    background-color: #f9f9f9;
    border-radius: 0 0 5px 5px;
}

/* Stylizacja opinii */
.testimonial-card {
    transition: all 0.3s ease;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    background-color: white;
    padding: 20px;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 60px;
    color: rgba(0, 86, 164, 0.1);
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-author {
    font-weight: bold;
    margin-top: 15px;
    color: var(--primary-color);
}

/* Ulepszenia dla formularza newslettera */
.newsletter-section {
    position: relative;
    padding: 50px 0;
    overflow: hidden;
}

.newsletter-section::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 20px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 0 10px #f9f9f9;
}

.newsletter-form {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
    position: relative;
    z-index: 2;
}

.newsletter-form input {
    flex-grow: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 30px;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.newsletter-form button {
    padding: 12px 25px;
    border-radius: 30px;
    background-color: var(--accent-color);
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.newsletter-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Poprawiony wygląd przycisku "Powrót na górę" */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    background-color: var(--primary-color) !important;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    text-align: center;
    line-height: 50px;
    font-size: 20px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0.8;
    text-decoration: none;
}

.back-to-top:hover {
    transform: translateY(-5px);
    opacity: 1;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.back-to-top.show {
    display: block;
    animation: fadeIn 0.5s ease;
}

/* Animowane podkreślenia w stopce */
footer .footer-col a {
    position: relative;
    display: inline-block;
    color: var(--light-text);
    text-decoration: none;
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

footer .footer-col a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
}

footer .footer-col a:hover {
    color: var(--secondary-color);
}

footer .footer-col a:hover::after {
    width: 100%;
}

footer .footer-col h3 {
    position: relative;
    padding-bottom: 12px;
    margin-bottom: 15px;
}

footer .footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent-color);
}

/* Animacja dla sekcji przy scrollowaniu */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: all 1s ease;
}

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

/* =============================================
   UTILITY CLASSES — zastępują inline style
   ============================================= */

/* Kolory tekstu */
.u-text-cyan    { color: var(--accent-cyan); }
.u-text-magenta { color: var(--accent-magenta); }
.u-text-white   { color: #fff; }
.u-text-dim     { color: var(--text-dim); }

/* Rozmiary tekstu */
.u-text-xs   { font-size: 0.75rem; }
.u-text-sm   { font-size: 0.9rem; }
.u-text-base { font-size: 0.95rem; }

/* Nagłówki kart */
.u-card-title    { margin-bottom: 0; font-size: 1.4rem; }
.u-heading-large { margin-bottom: 0; font-size: 2rem; }

/* Label uppercase (etykiety nad inputami, nagłówki sekcji) */
.u-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-cyan);
    font-weight: 700;
    display: block;
    margin-bottom: 8px;
}

/* Label uppercase — większy odstęp liter (nagłówki w kartach) */
.u-label-lg {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent-cyan);
    margin-bottom: 8px;
}

/* Flex utilities */
.u-flex-center  { display: flex; align-items: center; }
.u-flex-grow    { flex: 1; }
.u-flex-shrink0 { flex-shrink: 0; }
.u-gap-12       { gap: 12px; }
.u-gap-14       { gap: 14px; }
.u-mb-20        { margin-bottom: 20px; }

/* Elementy listy z lewym markerem (moduły SCARF) */
.u-list-item {
    font-size: 0.88rem;
    color: var(--text-dim);
    padding-left: 18px;
    position: relative;
    line-height: 1.5;
}

.u-list-marker {
    position: absolute;
    left: 0;
    color: var(--accent-magenta);
}

/* Input glassmorphism (formularz kontaktowy) */
.u-input-glass {
    width: 100%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 14px 20px;
    color: #fff;
    font-size: 0.95rem;
    outline: none;
    font-family: var(--font-main);
    transition: 0.3s;
}

.u-input-glass:focus {
    border-color: var(--accent-cyan);
    background: rgba(30, 115, 185, 0.12);
}