/* ==========================================================================
   1. ZMIENNE I RESET
   ========================================================================== */
:root {
    /* 1. Baza Kolorów */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-light: #FAFAFA;
    --color-gray-dark: #333333; 
    --color-text-dark: #111111;
    --color-brand-bord: #4A2C2A;

    /* 2. Przypisanie ról funkcjonalnych (Semantyka) */
    --bg: var(--color-white);
    --bg-light: var(--color-gray-light);
    --text: var(--color-text-dark);
    --accent: var(--color-gray-dark);
    --bord: var(--color-brand-bord); 

    /* Starsze zmienne pozostawione dla wstecznej kompatybilności */
    --black: var(--color-black);
    --black-rgb: 0, 0, 0;
    --white: var(--color-white);
    --white-rgb: 255, 255, 255;

    --transition-slow: 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    --transition-fast: 0.3s ease;

    /* System Z-index */
    --z-ambient: -1;
    --z-watermark: 0;
    --z-content: 1;
    --z-carousel-btn: 10;
    --z-nav: 100;
    --z-lightbox: 9000;
    --z-lightbox-controls: 10000;
}

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

/* Dostępność: wyraźny focus dla nawigacji klawiaturą (A11y) */
*:focus-visible {
    outline: 2px solid var(--bord);
    outline-offset: 4px;
    border-radius: 2px;
}

/* Dostępność: ukrycie outline przy standardowym kliknięciu myszą */
*:focus:not(:focus-visible) {
    outline: none;
}

html { 
    scroll-behavior: smooth; 
}

body { 
    font-family: 'Inter', sans-serif; 
    background: var(--bg); 
    color: var(--text); 
    line-height: 1.8; 
    font-weight: 400; 
    overflow-x: hidden; 
    width: 100%;
    -webkit-font-smoothing: antialiased; 
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3 { 
    font-family: 'Libre Baskerville', serif; 
    font-weight: 400; 
}

img, iframe, video { 
    max-width: 100%; 
    height: auto; 
}

section { 
    padding: clamp(4rem, 10vw, 8rem) 2rem clamp(3rem, 8vw, 6rem); 
    max-width: 900px; 
    margin: 0 auto; 
    scroll-margin-top: 5rem; 
    position: relative; 
}

/* ==========================================================================
   2. ANIMACJE I TŁO (ZOPTYMALIZOWANE 60FPS)
   ========================================================================== */
.reveal-up {
    opacity: 0; 
    transform: translateY(20px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up.is-revealed { 
    opacity: 1; 
    transform: translateY(0); 
}

.ambient-bg { 
    position: fixed; 
    inset: 0; 
    z-index: var(--z-ambient); 
    overflow: hidden; 
    pointer-events: none; 
    background: linear-gradient(to bottom, var(--white), #FCFCFC); 
}

.ambient-bg::before, .ambient-bg::after {
    content: ""; 
    position: absolute; 
    width: 80vw; 
    height: 80vw; 
    border-radius: 50%;
    background: radial-gradient(circle, rgba(136, 136, 136, 0.04) 0%, rgba(var(--white-rgb), 0) 70%);
    animation: float 25s infinite ease-in-out alternate;
}

.ambient-bg::before { 
    top: -20%; 
    left: -20%; 
}

.ambient-bg::after { 
    bottom: -20%; 
    right: -20%; 
    animation-delay: -12s; 
    animation-duration: 30s; 
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(5%, 10%) scale(1.1); }
    100% { transform: translate(-5%, 5%) scale(0.9); }
}

/* ==========================================================================
   3. NAWIGACJA Z PASKIEM ZEN
   ========================================================================== */
.zen-top-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    width: 100%;
    background: #1C1B1A; 
    color: rgba(255, 255, 255, 0.85); 
    text-align: center;
    padding: 10px 20px;
    font-size: 0.8rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    text-decoration: none;
    transition: background-color 0.4s ease, color 0.4s ease;
    cursor: pointer;
    position: relative; 
    overflow: hidden;   
}

.zen-top-bar::before {
    content: "";
    position: absolute;
    top: 0;
    left: -150%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.12) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-25deg);
    animation: zen-shimmer 15s infinite; 
    pointer-events: none;
}

@keyframes zen-shimmer {
    0% { left: -150%; }
    20% { left: 200%; } 
    100% { left: 200%; } 
}

.zen-top-bar:hover {
    background: #2A2826; 
    color: #FFFFFF;
}

.zen-cta-text {
    font-size: 0.8rem; 
    font-weight: 300; 
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 2px;
    transition: border-color 0.4s ease;
}

.zen-top-bar:hover .zen-cta-text {
    border-color: rgba(255, 255, 255, 0.7);
}

nav { 
    position: fixed; 
    top: 0; 
    width: 100%; 
    background: rgba(var(--white-rgb), 0.85); 
    backdrop-filter: blur(12px); 
    padding: 0; 
    z-index: var(--z-nav); 
    transition: all var(--transition-fast); 
    display: flex;
    flex-direction: column;
    align-items: center;
}

nav.scrolled { 
    background: rgba(var(--white-rgb), 0.98); 
    border-bottom: 1px solid rgba(136, 136, 136, 0.1); 
    box-shadow: 0 4px 30px rgba(var(--black-rgb), 0.03); 
}

.nav-container { 
    width: 100%; 
    max-width: 1200px; 
    margin: 0 auto; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    padding: 1rem 2rem; 
    position: relative; 
    transition: padding var(--transition-fast);
}

nav.scrolled .nav-container {
    padding: 0.7rem 2rem; 
}

nav ul { 
    list-style: none; 
    display: flex; 
    gap: clamp(1rem, 3vw, 2.5rem); 
    padding-right: 50px; 
}

nav a { 
    color: var(--accent); 
    text-decoration: none; 
    font-size: clamp(0.85rem, 1.5vw, 0.95rem); 
    transition: color var(--transition-fast); 
}

nav a:hover, nav a:focus-visible { 
    color: var(--bord); 
}

/* Przełącznik języków bez flag */
.lang-switch {
    position: absolute;
    right: 2rem;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    z-index: 1001; 
}

.lang-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--accent);
    padding: 0.4rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-family: inherit;
    transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.lang-btn:hover {
    color: var(--text);
    border-color: rgba(136, 136, 136, 0.2);
    background: rgba(var(--white-rgb), 0.5);
}

/* Płynnie animowane okienko wyboru języka */
.lang-dropdown {
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(136, 136, 136, 0.15);
    border-radius: 6px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    display: flex; 
    flex-direction: column;
    min-width: 60px; 
    overflow: hidden;
    
    /* Płynne ukrywanie i pokazywanie */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

.lang-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.lang-option {
    padding: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: center; 
    align-items: center;
    color: var(--accent);
    transition: background 0.2s ease, color 0.2s ease; 
}

.lang-option:hover {
    background: var(--bg-light);
    color: var(--bord);
}

/* ==========================================================================
   4. TYPOGRAFIA I GŁÓWNE ELEMENTY
   ========================================================================== */
.microtext { 
    text-align: center; 
    font-size: 0.9rem; 
    color: var(--accent); 
    letter-spacing: 0.05em; 
    margin: 4rem 0; 
    font-style: italic; 
}

h2 { 
    font-size: 2rem; 
    margin-bottom: 2.5rem; 
    color: var(--text); 
    border-bottom: 1px solid rgba(136,136,136,0.2); 
    padding-bottom: 1rem; 
    display: inline-block; 
}

p { 
    margin-bottom: 1.5rem; 
}

.lead { 
    font-size: 1.2rem; 
    color: var(--text); 
    margin-bottom: 2rem; 
}

.btn { 
    display: inline-block; 
    border: 1px solid var(--text); 
    color: var(--text); 
    padding: 1.2rem 3rem; 
    text-decoration: none; 
    font-size: 0.95rem; 
    background: transparent; 
    cursor: pointer; 
    text-align: center; 
    letter-spacing: 0.02em; 
    position: relative; 
    overflow: hidden; 
    transition: transform 0.4s ease, color 0.4s ease, box-shadow 0.4s ease; 
    z-index: 1; 
}

.btn::before { 
    content: ""; 
    position: absolute; 
    top: 0;
    left: -100%; 
    width: 100%;
    height: 100%;
    background: var(--text); 
    transition: left 0.4s ease, background 0.1s ease; 
    z-index: -1; 
}

.btn:hover::before, .btn:focus-visible::before, .btn:active::before { 
    left: 0; 
}

.btn:active::before {
    background: var(--accent); 
}

.btn:hover, .btn:focus-visible { 
    color: var(--bg); 
    transform: translateY(-2px); 
    box-shadow: 0 10px 30px rgba(var(--black-rgb), 0.1); 
}

.center-action {
    text-align: center;
    margin-top: 3rem;
}

.hero { 
    text-align: center; 
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
    align-items: center; 
    min-height: 100vh; 
    position: relative; 
}

.hero-watermark { 
    position: absolute; 
    top: 52%; 
    left: 50%; 
    transform: translate(-50%, -50%); 
    width: clamp(250px, 40vw, 500px); 
    height: clamp(250px, 40vw, 500px); 
    border-radius: 50%; 
    opacity: 0.04; 
    z-index: var(--z-watermark); 
    pointer-events: none; 
    filter: grayscale(100%); 
    object-fit: cover; 
}

.hero-content { 
    position: relative; 
    z-index: var(--z-content); 
}

.hero h1 { 
    font-size: clamp(2.2rem, 6vw, 4.8rem); 
    margin-bottom: 1.5rem; 
    line-height: 1.1; 
    color: var(--text); 
    letter-spacing: -0.02em; 
}

.hero p { 
    font-size: clamp(1.1rem, 3vw, 1.4rem); 
    color: var(--accent); 
    margin-bottom: 4rem; 
    max-width: 500px; 
    margin-inline: auto; 
}

/* ==========================================================================
   5. GRID, KARTY, GALERIE (ZOPTYMALIZOWANE TŁO)
   ========================================================================== */
.grid, .gallery-grid, #articles .grid { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: clamp(4px, 2vw, 2rem); 
    margin-top: 2rem; 
}

.gallery-grid { 
    margin-top: 5rem; 
}

.card { 
    padding: clamp(1rem, 4vw, 3rem) clamp(0.5rem, 3vw, 2.5rem); 
    background: rgba(250, 250, 250, 0.95); 
    border: 1px solid rgba(136,136,136,0.1); 
    transition: transform 0.4s ease, box-shadow 0.4s ease, background 0.4s ease; 
}

.card:hover { 
    background: var(--white); 
    transform: translateY(-5px); 
    box-shadow: 0 15px 40px rgba(var(--black-rgb), 0.04); 
}

.card h3 { 
    font-size: clamp(0.7rem, 2vw, 1.1rem); 
    margin-bottom: clamp(0.5rem, 1vw, 1rem); 
    color: var(--bord); 
}

.card p { 
    font-size: clamp(0.65rem, 1.5vw, 0.95rem); 
    color: var(--accent); 
    margin: 0; 
    line-height: 1.4; 
}

.upcoming { 
    margin-top: 3rem; 
    font-size: 0.95rem; 
    border-left: 2px solid var(--accent); 
    padding-left: 1rem; 
    color: var(--text); 
}

.about-flex { 
    display: flex; 
    gap: clamp(1.5rem, 4vw, 4rem); 
    align-items: flex-start; 
    flex-wrap: nowrap; 
}

.profile-img-wrapper { 
    flex: 0 0 35%; 
    max-width: 350px; 
    text-align: center; 
}

.profile-img { 
    width: 100%; 
    max-width: 400px; 
    border-radius: 2px; 
    filter: grayscale(20%); 
    box-shadow: 0 10px 30px rgba(var(--black-rgb), 0.08); 
    aspect-ratio: 3/4; 
    object-fit: cover; 
    transition: transform 0.8s ease, filter 0.8s ease; 
}

.profile-img:hover { 
    filter: grayscale(0%); 
    transform: scale(1.02); 
}

.certificate-wrapper { 
    margin-top: 4rem; 
    text-align: center; 
}

.certificate-images-container { 
    display: flex; 
    flex-wrap: wrap; 
    justify-content: center; 
    gap: 2rem; 
    margin-bottom: 1.5rem; 
}

.certificate-img { 
    max-width: 250px; 
    width: 100%; 
    border-radius: 4px; 
    cursor: zoom-in; 
    filter: grayscale(10%); 
    transition: transform 0.4s ease, filter 0.4s ease, box-shadow 0.4s ease; 
    border: 1px solid rgba(136, 136, 136, 0.15); 
}

.certificate-img:hover { 
    transform: translateY(-5px); 
    filter: grayscale(0%); 
    box-shadow: 0 15px 35px rgba(var(--black-rgb), 0.1); 
}

.carousel-wrapper { 
    position: relative; 
    overflow: hidden; 
    margin: clamp(2rem, 5vw, 4rem) 0 2rem; 
    border: 1px solid rgba(136,136,136,0.15); 
    border-radius: 4px; 
    background: var(--bg-light); 
    touch-action: pan-y; 
    transition: border-color 0.5s ease, box-shadow 0.5s ease; 
}

.carousel-wrapper:hover { 
    border-color: rgba(136,136,136,0.4); 
    box-shadow: 0 15px 40px rgba(var(--black-rgb), 0.06); 
}

.carousel-track { 
    display: flex; 
    transition: transform var(--transition-slow); 
}

.carousel-slide { 
    min-width: 100%; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
}

.carousel-btn { 
    position: absolute; 
    top: 50%; 
    transform: translateY(-50%); 
    background: rgba(var(--white-rgb), 0.85); 
    backdrop-filter: blur(5px); 
    border: 1px solid rgba(136,136,136,0.1); 
    color: var(--text); 
    width: clamp(45px, 8vw, 50px); 
    height: clamp(45px, 8vw, 50px); 
    border-radius: 50%; 
    cursor: pointer; 
    transition: transform 0.4s ease, background 0.4s ease, color 0.4s ease, box-shadow 0.4s ease; 
    z-index: var(--z-carousel-btn); 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    font-size: 1.2rem; 
}

.carousel-btn:hover, .carousel-btn:focus-visible { 
    background: var(--text); 
    color: var(--bg); 
    transform: translateY(-50%) scale(1.1); 
    box-shadow: 0 8px 25px rgba(var(--black-rgb), 0.15); 
}

.carousel-btn.prev { 
    left: clamp(0.5rem, 2vw, 1.5rem); 
} 

.carousel-btn.next { 
    right: clamp(0.5rem, 2vw, 1.5rem); 
}

#video-track video { 
    width: 100%; 
    aspect-ratio: 16/9; 
    display: block;
    object-fit: cover;
    background: var(--black);
    border-radius: 4px;
}

.media-caption { 
    text-align: center; 
    font-size: 0.85rem; 
    color: var(--accent); 
    margin-top: 1.5rem; 
    font-style: italic; 
}

.collage-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); 
    gap: clamp(8px, 2vw, 15px); 
    margin-top: 4rem; 
}

.collage-grid img { 
    width: 100%; 
    aspect-ratio: 1/1; 
    object-fit: cover; 
    border-radius: 4px; 
    cursor: zoom-in; 
    filter: grayscale(15%); 
    transition: transform 0.4s ease, filter 0.4s ease, box-shadow 0.4s ease; 
    box-shadow: 0 4px 15px rgba(var(--black-rgb), 0.05); 
}

.collage-grid img:hover { 
    filter: grayscale(0%); 
    transform: translateY(-5px); 
    box-shadow: 0 10px 25px rgba(var(--black-rgb), 0.1); 
}

.gallery-item { 
    width: 100%; 
    height: clamp(90px, 20vw, 280px); 
    object-fit: cover; 
    border-radius: clamp(4px, 1vw, 8px); 
    cursor: zoom-in; 
    opacity: 0.85; 
    transition: transform 0.4s ease, opacity 0.4s ease, box-shadow 0.4s ease; 
    background: var(--bg-light); 
    box-shadow: 0 4px 15px rgba(var(--black-rgb), 0.05); 
}

.gallery-item:hover { 
    opacity: 1; 
    transform: translateY(-5px); 
    box-shadow: 0 10px 25px rgba(var(--black-rgb), 0.1); 
}

.quote-wrapper { 
    margin: 4rem auto 0; 
    text-align: center; 
    max-width: 600px; 
}

.quote-wrapper blockquote { 
    font-size: 1.3rem; 
    font-style: italic; 
    color: var(--bord); 
    line-height: 1.6; 
    margin-bottom: 1rem; 
}

.quote-wrapper cite { 
    font-size: 0.85rem; 
    color: var(--accent); 
    text-transform: uppercase; 
    letter-spacing: 0.1em; 
    font-style: normal; 
}

/* ==========================================================================
   7. FORMULARZ I STOPKA
   ========================================================================== */
form { 
    margin-top: 2rem; 
    max-width: 600px; 
    position: relative; 
}

input, textarea { 
    width: 100%; 
    padding: 1.2rem 0; 
    margin-bottom: 2.5rem; 
    border: none; 
    border-bottom: 1px solid rgba(136,136,136,0.3); 
    background: transparent; 
    font-family: inherit; 
    font-size: 1rem; 
    color: var(--text); 
    border-radius: 0; 
    appearance: none; 
    transition: border-color var(--transition-fast), padding-left var(--transition-fast); 
}

input:focus, textarea:focus { 
    border-bottom-color: var(--bord); 
    padding-left: 10px; 
}

textarea { 
    height: 120px; 
    resize: vertical; 
}

.honeypot-field { 
    position: absolute; 
    left: -9999px; 
    top: -9999px; 
    z-index: var(--z-ambient); 
}

.form-status { 
    margin-top: 1rem; 
    font-size: 0.95rem; 
    color: var(--bord); 
    display: none; 
}

.contact-info { 
    margin-top: 4rem; 
    font-size: 0.95rem; 
}

.contact-info a { 
    color: var(--text); 
    text-decoration: none; 
    border-bottom: 1px solid var(--accent); 
    transition: border-color var(--transition-fast); 
    padding-bottom: 2px; 
}

.contact-info a:hover { 
    border-color: var(--bord); 
}

footer { 
    text-align: center; 
    padding: 5rem 2rem 4rem; 
    color: var(--accent); 
    font-size: 0.85rem; 
    border-top: 1px solid rgba(136,136,136,0.1); 
    position: relative; 
}

.social-media-container { 
    margin: 3rem 0 2rem; 
    padding: 2.5rem 0; 
    border-top: 1px dashed rgba(136,136,136,0.1); 
}

.social-title { 
    font-size: 0.85rem; 
    text-transform: uppercase; 
    letter-spacing: 0.1em; 
    margin-bottom: 2rem; 
}

.social-links { 
    display: flex; 
    justify-content: center; 
    gap: 2.5rem; 
    margin-bottom: 2.5rem; 
}

.social-links a { 
    color: var(--accent); 
    display: inline-flex; 
    transition: color 0.4s ease, transform 0.4s ease; 
}

.social-links a:hover { 
    color: var(--bord); 
    transform: translateY(-5px) scale(1.1); 
}

.social-links svg { 
    width: 28px; 
    height: 28px; 
}

.support-buttons-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.support-btn { 
    display: inline-flex; 
    align-items: center; 
    gap: 0.75rem; 
    padding: 1rem 2rem; 
    border: 1px solid rgba(136,136,136,0.2); 
    background: rgba(var(--white-rgb), 0.5); 
    backdrop-filter: blur(5px); 
    border-radius: 50px; 
    text-decoration: none; 
    color: var(--text); 
    transition: background 0.4s ease, transform 0.4s ease, color 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease; 
}

.support-btn:hover { 
    background: var(--bg); 
    transform: translateY(-3px); 
    color: var(--bord); 
    box-shadow: 0 10px 20px rgba(74, 44, 42, 0.05); 
    border-color: var(--bord); 
}

.support-btn svg { 
    width: 20px; 
    height: 20px; 
}

.footer-copyright { 
    margin-top: 3rem; 
    color: var(--accent); 
    opacity: 0.7; 
}

.footer-brand-block { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    gap: 15px; 
    margin-top: 1.5rem; 
    text-decoration: none; 
    cursor: pointer; 
}

.footer-brand-logo { 
    width: 50px; 
    height: 50px; 
    display: block; 
    border-radius: 12px; 
    object-fit: cover; 
    border: 1px solid rgba(136, 136, 136, 0.1); 
}

.footer-brand-name { 
    font-family: 'Libre Baskerville', serif; 
    font-size: 1.1rem; 
    color: var(--text); 
    font-weight: 400; 
    letter-spacing: -0.01em; 
}

.privacy-accordion { 
    max-width: 600px; 
    margin: 2rem auto 0; 
    text-align: left; 
    border-top: 1px solid rgba(136,136,136,0.1); 
    padding-top: 1rem; 
}

.privacy-toggle { 
    background: none; 
    border: none; 
    color: var(--accent); 
    font-family: inherit; 
    font-size: 0.8rem; 
    cursor: pointer; 
    display: flex; 
    width: 100%; 
    justify-content: center; 
    align-items: center; 
    gap: 0.5rem; 
    padding: 0.5rem; 
    transition: color var(--transition-fast); 
}

.privacy-toggle:hover { 
    color: var(--text); 
}

.privacy-toggle svg { 
    width: 14px; 
    height: 14px; 
    transition: transform var(--transition-fast); 
}

.privacy-toggle[aria-expanded="true"] svg { 
    transform: rotate(180deg); 
}

.privacy-content { 
    max-height: 0; 
    overflow: hidden; 
    opacity: 0; 
    transition: max-height 0.4s ease, opacity 0.4s ease, padding 0.4s ease; 
    font-size: 0.8rem; 
    line-height: 1.6; 
}

.privacy-content.open { 
    max-height: 300px; 
    opacity: 1; 
    padding: 1rem 0; 
}

/* ==========================================================================
   8. LIGHTBOX
   ========================================================================== */
.lightbox { 
    position: fixed; 
    inset: 0; 
    background: rgba(var(--black-rgb), 0.98); 
    backdrop-filter: blur(10px); 
    z-index: var(--z-lightbox); 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    opacity: 0; 
    pointer-events: none; 
    transition: opacity var(--transition-fast); 
}

.lightbox.active { 
    opacity: 1; 
    pointer-events: all; 
}

.lightbox img { 
    max-width: 90vw; 
    max-height: 90vh; 
    object-fit: contain; 
    transform: scale(0.9); 
    transition: transform 0.5s ease; 
    box-shadow: 0 20px 50px rgba(var(--black-rgb), 0.5); 
}

.lightbox.active img { 
    transform: scale(1); 
}

.lightbox-close { 
    position: absolute; 
    top: clamp(15px, 3vw, 30px); 
    right: clamp(25px, 5vw, 50px); 
    color: var(--white); 
    font-size: clamp(2.5rem, 5vw, 3.5rem); 
    font-weight: 300; 
    cursor: pointer; 
    z-index: var(--z-lightbox-controls); 
    transition: color var(--transition-fast), transform var(--transition-fast); 
    user-select: none; 
}

.lightbox-close:hover { 
    transform: rotate(90deg); 
    color: var(--accent); 
}

.lightbox-btn { 
    position: absolute; 
    top: 50%; 
    transform: translateY(-50%); 
    background: transparent; 
    border: none; 
    color: rgba(var(--white-rgb), 0.5); 
    font-size: clamp(2rem, 5vw, 3rem); 
    padding: clamp(0.5rem, 1vw, 1rem); 
    cursor: pointer; 
    z-index: var(--z-lightbox-controls); 
    transition: color 0.3s ease, transform 0.3s ease; 
}

.lightbox-btn:hover { 
    color: var(--white); 
    transform: translateY(-50%) scale(1.2); 
}

.lightbox-btn.prev { 
    left: clamp(0.5rem, 2vw, 2rem); 
} 

.lightbox-btn.next { 
    right: clamp(0.5rem, 2vw, 2rem); 
}

/* ==========================================================================
   9. RESPONSYWNOŚĆ
   ========================================================================== */
@media (max-width: 900px) {
    .about-flex { 
        flex-direction: row; 
        align-items: flex-start; 
        text-align: left; 
        gap: 1.5rem; 
        flex-wrap: nowrap; 
    }
    
    .profile-img-wrapper { 
        flex: 0 0 40%; 
        max-width: 100%; 
        margin: 0; 
    }
}

@media (max-width: 768px) {
    .nav-container { 
        flex-direction: column; 
        gap: 0.5rem; 
        padding: 1rem; 
        align-items: center; 
    }

    nav ul { 
        padding-right: 0 !important; 
        margin: 0;
        display: flex;
        flex-wrap: wrap; 
        justify-content: center; 
        gap: 1rem;
    }

    .lang-switch { 
        position: relative; 
        right: auto; 
        display: flex;
        justify-content: center;
        width: 100%;
        margin-top: 10px;
    }

    .lang-btn {
        margin: 0 auto;
    }

    .lang-dropdown {
        left: 50%;
        right: auto;
        transform: translate(-50%, -10px);
        top: calc(100% + 5px);
        width: 70px; 
        min-width: auto;
    }

    .lang-dropdown.open {
        transform: translate(-50%, 0); 
    }

    .about-flex { 
        flex-direction: column; 
        align-items: center; 
        text-align: center; 
    }
    
    .profile-img-wrapper { 
        flex: 1 1 100%; 
        max-width: 280px;
        margin: 0 auto 1.5rem auto;
    }
    
    .ambient-bg::before, 
    .ambient-bg::after {
        animation: none;
        display: none;
    }

    .certificate-images-container {
        flex-wrap: wrap; 
        flex-direction: column; 
        align-items: center;
        gap: 2rem;
    }

    .gallery-item {
        height: 150px; 
    }
}

@media (max-width: 360px) { 
    .footer-brand-block { 
        flex-direction: column; 
        gap: 10px; 
    } 
}

/* ==========================================================================
   10. DOSTĘPNOŚĆ (ACCESSIBILITY / PREFERS REDUCED MOTION)
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    .ambient-bg::before, .ambient-bg::after, * {
        animation: none !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ==========================================================================
   11. INNE / RESZTA
   ========================================================================== */
.upcoming { 
    margin-top: 4rem; 
    font-size: 1rem; 
    color: var(--text); 
    text-align: center; 
    width: 100%;
    border-left: none; 
    padding-left: 0;
}

.sessions-rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: rgba(250, 250, 250, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 100px;
    margin: 1.5rem auto 0; 
    width: fit-content;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-gray-dark);
    border: 1px solid rgba(136, 136, 136, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.sessions-rating .stars {
    color: #fbbc04;
    letter-spacing: 2px;
    font-size: 1rem;
}

@media (max-width: 768px) {
    .upcoming {
        margin-top: 3rem;
        font-size: 0.9rem;
    }
    .sessions-rating {
        margin: 1.2rem auto 0;
        font-size: 0.75rem;
    }
}

/* ==========================================================================
   12. SEKCJA PROMO (CZYTELNIA)
   ========================================================================== */
.promo-section {
    padding: 6rem 2rem;
    display: flex;
    justify-content: center;
    width: 100%;
}

.promo-card {
    width: 100%;
    max-width: 850px;
    background: var(--bg-light); 
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid rgba(136, 136, 136, 0.15);
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.03);
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

.promo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    border-color: rgba(136, 136, 136, 0.3);
}

.promo-link {
    display: flex;
    text-decoration: none;
    color: inherit;
    align-items: stretch;
}

.promo-image-wrapper {
    flex: 0 0 42%;
    position: relative;
    overflow: hidden;
    min-height: 280px;
}

.promo-image {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: grayscale(20%);
    transition: transform 0.8s ease, filter 0.4s ease;
}

.promo-card:hover .promo-image {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.promo-content {
    flex: 1;
    padding: 3rem 3.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.promo-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 0.8rem;
}

.promo-title {
    font-family: 'Libre Baskerville', serif;
    font-size: 1.8rem;
    color: var(--bord);
    margin: 0 0 1rem 0;
}

.promo-desc {
    font-size: 0.95rem;
    color: var(--text);
    opacity: 0.85;
    line-height: 1.6;
    margin-bottom: 2rem;
    font-weight: 300;
}

.promo-action {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--bord);
    margin-top: auto;
}

.promo-btn {
    font-size: 0.95rem;
    font-weight: 500;
}

.promo-action svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.promo-card:hover .promo-action svg {
    transform: translateX(6px);
}

/* RWD - Tablet/Mobile */
@media (max-width: 768px) {
    .promo-link {
        flex-direction: column;
    }
    .promo-image-wrapper {
        width: 100%;
        height: 220px;
        flex: none;
    }
    .promo-content {
        padding: 2.5rem 2rem;
        text-align: center;
    }
    .promo-action {
        justify-content: center;
    }
}