/* ==========================================================================
   Łukasz Koterba - Strona wizytówka
   Styl: Editorial, minimalistyczny
   ========================================================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600&family=Inter:wght@300;400;500&display=swap');

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    --color-black: #1a1a1a;
    --color-dark-gray: #4a4a4a;
    --color-medium-gray: #6b6b6b;
    --color-light-gray: #e8e8e8;
    --color-off-white: #fafafa;
    --color-white: #ffffff;

    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --max-width: 1100px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-dark-gray);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 500;
    color: var(--color-black);
    line-height: 1.2;
}

h1 {
    font-size: 3rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-black);
    text-decoration: none;
    border-bottom: 1px solid var(--color-medium-gray);
    transition: border-color 0.2s ease, color 0.2s ease;
}

a:hover {
    border-color: var(--color-black);
}

/* Linki w treści - subtelne wyróżnienie */
.bio-main a,
.about-preview-text a {
    font-weight: 500;
    border-bottom: 1px solid var(--color-dark-gray);
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid transparent;
    transition: background-color 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-light-gray);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.site-logo {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-black);
    border: none;
}

.site-logo:hover {
    border: none;
}

.main-nav ul {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.main-nav a {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-dark-gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    padding-bottom: 2px;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-black);
    border-bottom: 1px solid var(--color-black);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-black);
    margin: 5px 0;
    transition: 0.3s;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    background-color: var(--color-off-white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    bottom: -50px;
    background-image: url('img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
    will-change: transform;
}

.hero .container {
    position: relative;
    z-index: 1;
    padding-top: 70px;
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-xs);
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--color-medium-gray);
    letter-spacing: 0.02em;
    margin-bottom: var(--spacing-md);
}

.hero-lead {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-dark-gray);
    max-width: 600px;
}

/* ==========================================================================
   About Preview (Home)
   ========================================================================== */
.about-preview {
    background-color: var(--color-white);
}

.about-preview-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-preview-image img {
    width: 100%;
    max-width: 280px;
    filter: grayscale(20%);
    transition: transform 0.4s ease, filter 0.4s ease;
    border-radius: 10px;
}

.about-preview-image:hover img {
    transform: scale(1.03);
    filter: grayscale(0%);
}

.about-preview-text h2 {
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
}

.about-preview-text p {
    color: var(--color-dark-gray);
    max-width: 550px;
}

.link-arrow {
    display: inline-block;
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-black);
}

/* ==========================================================================
   Competencies Section
   ========================================================================== */
.competencies {
    background-color: var(--color-off-white);
}

.competencies h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.competencies-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.competency-item {
    padding: var(--spacing-md) 0;
}

.competency-item h3 {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-light-gray);
    color: #8b2332;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.competency-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke: var(--color-accent);
    stroke-width: 1.5;
    fill: none;
}

.competency-item p {
    font-size: 0.9375rem;
    color: var(--color-medium-gray);
    line-height: 1.7;
}

.competency-item ul {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.competency-item li {
    font-size: 0.9375rem;
    color: var(--color-medium-gray);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-light-gray);
}

.competency-item li:last-child {
    border-bottom: none;
}

/* ==========================================================================
   Page Header (Subpages)
   ========================================================================== */
.page-header {
    padding-top: calc(70px + var(--spacing-xl));
    padding-bottom: var(--spacing-lg);
    background-color: var(--color-off-white);
}

.page-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
}

.page-header .lead {
    font-size: 1.125rem;
    color: var(--color-medium-gray);
    max-width: 600px;
    margin-top: var(--spacing-sm);
}

/* ==========================================================================
   Bio Page
   ========================================================================== */
.bio-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.bio-sidebar img {
    width: 100%;
    max-width: 300px;
    margin-bottom: var(--spacing-md);
    filter: grayscale(20%);
    transition: transform 0.4s ease, filter 0.4s ease;
    border-radius: 10px;
}

.bio-sidebar:hover img {
    transform: scale(1.03);
    filter: grayscale(0%);
}

.bio-sidebar-info {
    font-size: 0.875rem;
    color: var(--color-medium-gray);
}

.bio-sidebar-info p {
    margin-bottom: var(--spacing-xs);
}

.bio-main h2 {
    font-size: 1.25rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: #8b2332;
    font-weight: 600;
}

.bio-main h2:first-child {
    margin-top: 0;
}

.bio-main p {
    max-width: 600px;
}

.education-list,
.skills-list {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.education-list li,
.skills-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-light-gray);
    font-size: 0.9375rem;
}

.education-list li:last-child,
.skills-list li:last-child {
    border-bottom: none;
}

.education-list strong {
    display: block;
    color: var(--color-black);
}

.education-list span {
    font-size: 0.875rem;
    color: var(--color-medium-gray);
}

/* ==========================================================================
   Portfolio Page
   ========================================================================== */
.media-logos {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-light-gray);
    margin-bottom: var(--spacing-lg);
}

.media-logo {
    height: 40px;
    width: auto;
    opacity: 0.85;
    transition: all 0.2s ease;
}

.media-logo:hover {
    opacity: 1;
}

/* Portfolio Categories */
.portfolio-category {
    margin-bottom: var(--spacing-xl);
}

.portfolio-category h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-light-gray);
}

.portfolio-category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-light-gray);
}

.portfolio-category-header h2 {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.category-logo {
    height: 32px;
    width: auto;
}

.portfolio-intro {
    font-size: 0.9375rem;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-md);
    max-width: 700px;
}

/* Portfolio Grid (karty z obrazkami) */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.portfolio-card {
    background-color: var(--color-off-white);
    transition: transform 0.2s ease;
}

.portfolio-card:hover {
    transform: translateY(-4px);
}

.portfolio-card a {
    display: block;
    border: none;
    color: inherit;
}

.portfolio-card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.portfolio-card-content {
    padding: var(--spacing-sm);
}

.portfolio-card h3 {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: #8b2332;
}

.portfolio-card p {
    font-size: 0.875rem;
    color: var(--color-medium-gray);
    line-height: 1.5;
    margin-bottom: var(--spacing-xs);
}

.portfolio-year {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-medium-gray);
}

/* Kafelka statyczna (bez linku) */
.portfolio-card-static {
    display: block;
    color: inherit;
}

/* Portfolio Grid Small - mniejsze kafelki bez zdjęć */
.portfolio-grid-small {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.portfolio-card-small {
    background-color: var(--color-off-white);
    padding: var(--spacing-md);
    transition: transform 0.2s ease;
}

.portfolio-card-small:hover {
    transform: translateY(-2px);
}

.portfolio-card-small a {
    display: block;
    border: none;
    color: inherit;
}

.portfolio-card-small h3 {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: #8b2332;
    line-height: 1.3;
}

.portfolio-card-small:hover h3 {
    border-bottom: 1px solid var(--color-black);
    display: inline;
}

.portfolio-card-small p {
    font-size: 0.875rem;
    color: var(--color-medium-gray);
    line-height: 1.5;
    margin-bottom: 0;
}

.year-inline {
    color: var(--color-medium-gray);
    font-size: 0.75rem;
    margin-left: 0.25rem;
}

/* Inline logo w meta */
.portfolio-meta-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--color-medium-gray);
    margin-top: var(--spacing-xs);
}

.inline-logo {
    height: 18px;
    width: auto;
}

.portfolio-note {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-light-gray);
    font-size: 0.9375rem;
    color: var(--color-dark-gray);
    line-height: 1.8;
}

/* ==========================================================================
   Contact Page
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-info h2 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: #8b2332;
    font-weight: 600;
}

.contact-info p {
    margin-bottom: var(--spacing-sm);
}

.contact-info a {
    font-weight: 500;
}

.contact-details {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.contact-details li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-light-gray);
    font-size: 0.9375rem;
}

.contact-details li:last-child {
    border-bottom: none;
}

.contact-details strong {
    display: block;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-medium-gray);
    margin-bottom: 2px;
}

.collaboration-info {
    background-color: var(--color-off-white);
    padding: var(--spacing-md);
}

.collaboration-info h2 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: #8b2332;
    font-weight: 600;
}

.collaboration-info p {
    font-size: 0.9375rem;
    color: var(--color-medium-gray);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-light-gray);
    background-color: var(--color-white);
}

.site-footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text {
    font-size: 0.8125rem;
    color: var(--color-medium-gray);
}

.footer-nav ul {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.footer-nav a {
    font-size: 0.8125rem;
    color: var(--color-medium-gray);
    border: none;
}

.footer-nav a:hover {
    color: var(--color-black);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
    .competencies-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .about-preview-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .about-preview-image {
        order: -1;
        text-align: center;
    }

    .about-preview-image img {
        max-width: 280px;
        width: 70%;
    }

    .bio-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .bio-sidebar {
        text-align: center;
    }

    .bio-sidebar img {
        max-width: 280px;
        width: 70%;
    }

    .bio-sidebar-info {
        text-align: left;
        max-width: 280px;
        margin: 0 auto;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

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

    .portfolio-grid-small {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .site-header .container {
        height: 60px;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        border-bottom: 1px solid var(--color-light-gray);
        padding: var(--spacing-md);
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .nav-toggle {
        display: block;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }

    .hero .container {
        padding-top: 60px;
    }

    .hero-lead {
        font-size: 1.0625rem;
    }

    .portfolio-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .site-footer .container {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

/* ==========================================================================
   ANIMACJE I INTERAKTYWNOŚĆ
   ========================================================================== */

/* --- Hero Fade-in Sequence --- */
@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    opacity: 0;
    animation: heroFadeIn 0.6s ease-out forwards;
    animation-delay: 0.2s;
}

.hero-subtitle {
    opacity: 0;
    animation: heroFadeIn 0.6s ease-out forwards;
    animation-delay: 0.4s;
}

.hero-lead {
    opacity: 0;
    animation: heroFadeIn 0.6s ease-out forwards;
    animation-delay: 0.6s;
}

/* --- Scroll Indicator --- */
@keyframes scrollBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(6px);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: -1.5rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    animation: heroFadeIn 0.6s ease-out forwards, scrollBounce 2s ease-in-out infinite;
    animation-delay: 1s, 1.6s;
    cursor: pointer;
    border: none;
    background: none;
    padding: 0.5rem;
    z-index: 10;
}

.scroll-indicator svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-medium-gray);
    transition: stroke 0.2s ease;
}

.scroll-indicator:hover svg {
    stroke: var(--color-accent);
}

/* --- Scroll Reveal --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

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

/* Stagger dla kafelków portfolio */
.portfolio-grid .reveal:nth-child(2) { transition-delay: 80ms; }
.portfolio-grid .reveal:nth-child(3) { transition-delay: 160ms; }
.portfolio-grid .reveal:nth-child(4) { transition-delay: 240ms; }
.portfolio-grid .reveal:nth-child(5) { transition-delay: 320ms; }
.portfolio-grid .reveal:nth-child(6) { transition-delay: 400ms; }

.portfolio-grid-small .reveal:nth-child(2) { transition-delay: 60ms; }
.portfolio-grid-small .reveal:nth-child(3) { transition-delay: 120ms; }
.portfolio-grid-small .reveal:nth-child(4) { transition-delay: 180ms; }
.portfolio-grid-small .reveal:nth-child(5) { transition-delay: 240ms; }
.portfolio-grid-small .reveal:nth-child(6) { transition-delay: 300ms; }
.portfolio-grid-small .reveal:nth-child(7) { transition-delay: 360ms; }
.portfolio-grid-small .reveal:nth-child(8) { transition-delay: 420ms; }

/* Stagger dla kompetencji na stronie głównej */
.competencies-grid .reveal:nth-child(1) { transition-delay: 0ms; }
.competencies-grid .reveal:nth-child(2) { transition-delay: 120ms; }
.competencies-grid .reveal:nth-child(3) { transition-delay: 240ms; }

/* Stagger dla about-preview */
.about-preview-grid .about-preview-image.reveal { transition-delay: 0ms; }
.about-preview-grid .about-preview-text.reveal { transition-delay: 150ms; }

/* Wyłącz animacje dla użytkowników preferujących reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .hero h1,
    .hero-subtitle,
    .hero-lead,
    .scroll-indicator {
        opacity: 1;
        animation: none;
    }
}

/* --- Akcentowy kolor bordowy --- */
:root {
    --color-accent: #8b2332;
    --color-accent-light: #a52a3a;
}

/* --- Ulepszone Hero z gradientem --- */
.hero {
    background: linear-gradient(165deg, var(--color-off-white) 0%, #f5f3f0 50%, #efe9e4 100%);
}

.page-header {
    background: linear-gradient(165deg, var(--color-off-white) 0%, #f5f3f0 100%);
}

/* --- Tła podstron --- */
.page-header-with-bg {
    position: relative;
    overflow: hidden;
}

.page-header-bg {
    position: absolute;
    top: -20px;
    left: 0;
    right: 0;
    bottom: -20px;
    background-size: cover;
    background-position: center;
    opacity: 0.08;
}

.page-header-with-bg .container {
    position: relative;
    z-index: 1;
}

/* Tło O mnie - kanał Utrecht */
.page-header-bg-omnie {
    background-image: url('img/bg-omnie.jpg');
}

/* Tło Portfolio - uliczka */
.page-header-bg-portfolio {
    background-image: url('img/bg-portfolio.jpg');
}

/* Tło Kontakt - z lotu ptaka */
.page-header-bg-kontakt {
    background-image: url('img/bg-kontakt.jpg');
}

/* Tło Prywatność - Haga */
.page-header-bg-prywatnosc {
    background-image: url('img/bg-prywatnosc.jpg');
    background-position: center 25%;
}

/* --- Wizualny przerywnik (Vermeer) --- */
.art-divider {
    margin: var(--spacing-lg) 0;
    overflow: hidden;
    height: 160px;
}

.art-divider img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* --- Ulepszona nawigacja --- */
.main-nav a {
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.main-nav a.active::after {
    width: 100%;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-accent);
    border-bottom: none;
}

/* Footer nav - też animowany underline */
.footer-nav a {
    position: relative;
}

.footer-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.footer-nav a:hover {
    color: var(--color-accent);
}

/* --- Ulepszone CTA / Link Arrow --- */
.link-arrow {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.2s ease, color 0.2s ease;
}

.link-arrow:hover {
    transform: translateY(-2px);
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* Strzałka w linkach przesuwa się na hover */
.link-arrow::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    transition: transform 0.2s ease;
}

.portfolio-more {
    display: inline-block;
    margin-top: var(--spacing-md);
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    border: 1px solid var(--color-dark-gray);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}

.portfolio-more:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 35, 50, 0.2);
}

/* --- Ulepszone kafelki portfolio --- */
.portfolio-card {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    background: var(--color-off-white);
}

.portfolio-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    background: linear-gradient(135deg, var(--color-off-white) 0%, #f8f5f2 50%, #f5f0eb 100%);
}

.portfolio-card-small {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    background: var(--color-off-white);
}

.portfolio-card-small:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
    background: linear-gradient(135deg, var(--color-off-white) 0%, #f8f5f2 50%, #f5f0eb 100%);
}

/* --- Ulepszone logo mediów --- */
.media-logo {
    transition: all 0.3s ease;
    filter: grayscale(20%);
}

.media-logo:hover {
    opacity: 1;
    transform: scale(1.08);
    filter: grayscale(0%);
}

/* --- Dekoracyjna linia przy nagłówkach sekcji --- */
.portfolio-category h2,
.portfolio-category-header h2 {
    position: relative;
}

.portfolio-category > h2::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.5rem;
    width: 40px;
    height: 2px;
    background-color: var(--color-accent);
}

/* --- Ulepszone linki w treści --- */
.bio-main a,
.about-preview-text a,
.portfolio-note a,
.portfolio-intro a {
    color: var(--color-accent);
    border-bottom-color: rgba(139, 35, 50, 0.3);
    transition: border-color 0.2s ease, color 0.2s ease;
}

.bio-main a:hover,
.about-preview-text a:hover,
.portfolio-note a:hover,
.portfolio-intro a:hover {
    border-bottom-color: var(--color-accent);
}

/* --- Kontakt - ulepszone dane kontaktowe --- */
.contact-details a {
    color: var(--color-accent);
    border-bottom-color: rgba(139, 35, 50, 0.3);
}

.contact-details a:hover {
    border-bottom-color: var(--color-accent);
}

/* --- Collaboration info - subtelny akcent --- */
.collaboration-info {
    border-left: 3px solid var(--color-accent);
}

/* --- Competency items hover --- */
.competency-item {
    transition: transform 0.2s ease;
}

.competency-item:hover {
    transform: translateY(-2px);
}

/* ==========================================================================
   Privacy Page
   ========================================================================== */
.privacy-section {
    padding-bottom: var(--spacing-xl);
}

.privacy-content {
    max-width: 700px;
}

.privacy-content h2 {
    font-size: 1.25rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
    font-weight: 600;
}

.privacy-content h2:first-of-type {
    margin-top: 0;
}

.privacy-content h3 {
    font-size: 1rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-black);
}

.privacy-content p {
    color: var(--color-dark-gray);
    line-height: 1.8;
}

.privacy-update {
    font-size: 0.875rem;
    color: var(--color-medium-gray);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-light-gray);
}

.privacy-box {
    background-color: var(--color-off-white);
    padding: var(--spacing-md);
    margin: var(--spacing-sm) 0;
    border-left: 3px solid var(--color-accent);
}

.privacy-box p {
    margin-bottom: var(--spacing-xs);
}

.privacy-box p:last-child {
    margin-bottom: 0;
}

.privacy-note {
    font-size: 0.875rem;
    font-style: italic;
    color: var(--color-medium-gray);
    margin-top: var(--spacing-sm);
}

.privacy-list {
    list-style: none;
    margin: var(--spacing-sm) 0;
}

.privacy-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-dark-gray);
    line-height: 1.7;
}

.privacy-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.75rem;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

/* ==========================================================================
   Cookie Banner (RODO)
   ========================================================================== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-md);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.cookie-banner-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.cookie-banner-text {
    flex: 1;
}

.cookie-banner-text h3 {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-black);
}

.cookie-banner-text p {
    font-size: 0.875rem;
    color: var(--color-dark-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
}

.cookie-banner-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-top: var(--spacing-xs);
}

.cookie-banner-text a {
    color: var(--color-accent);
    font-size: 0.875rem;
}

.cookie-banner-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
    align-items: center;
}

.cookie-btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.8125rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border: 1px solid var(--color-dark-gray);
    background-color: transparent;
    color: var(--color-dark-gray);
    cursor: pointer;
    transition: all 0.2s ease;
}

.cookie-btn:hover {
    background-color: var(--color-off-white);
    border-color: var(--color-black);
    color: var(--color-black);
}

.cookie-btn-accept {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.cookie-btn-accept:hover {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent-light);
    color: var(--color-white);
}

.cookie-btn-settings {
    font-size: 0.875rem;
    padding: 0;
    border: none;
    text-decoration: underline;
    text-underline-offset: 2px;
    color: var(--color-accent);
}

.cookie-btn-settings:hover {
    background-color: transparent;
    border: none;
    color: var(--color-black);
}

/* Cookie Settings Panel */
.cookie-settings {
    display: none;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-light-gray);
}

.cookie-settings.visible {
    display: block;
}

.cookie-category {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--color-light-gray);
}

.cookie-category:last-child {
    border-bottom: none;
}

.cookie-category-info h4 {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-black);
    margin-bottom: 0;
}

.cookie-category-info p {
    font-size: 0.75rem;
    color: var(--color-medium-gray);
    margin-bottom: 0;
    line-height: 1.4;
}

/* Custom Toggle Switch */
.cookie-toggle {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.cookie-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.cookie-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-light-gray);
    border-radius: 24px;
    transition: 0.3s;
}

.cookie-toggle-slider::before {
    position: absolute;
    content: '';
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: var(--color-white);
    border-radius: 50%;
    transition: 0.3s;
}

.cookie-toggle input:checked + .cookie-toggle-slider {
    background-color: var(--color-accent);
}

.cookie-toggle input:checked + .cookie-toggle-slider::before {
    transform: translateX(20px);
}

.cookie-toggle input:disabled + .cookie-toggle-slider {
    opacity: 0.6;
    cursor: not-allowed;
}

.cookie-contact {
    margin-top: var(--spacing-sm);
    font-size: 0.8125rem;
    color: var(--color-medium-gray);
}

.cookie-contact a {
    color: var(--color-accent);
}

/* Responsive Cookie Banner */
@media (max-width: 600px) {
    .cookie-banner {
        padding: var(--spacing-sm);
    }

    .cookie-banner-main {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .cookie-banner-buttons {
        width: 100%;
        flex-wrap: wrap;
    }

    .cookie-btn {
        flex: 1;
        min-width: 100px;
        text-align: center;
    }

    .cookie-btn-settings {
        width: 100%;
        text-align: center;
    }
}

/* ==========================================================================
   Media Logos Divider (O mnie - między Doświadczenie a Wykształcenie)
   ========================================================================== */
.media-logos-divider {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-sm);
    margin: var(--spacing-lg) 0;
    background-color: var(--color-off-white);
    border-radius: 4px;
    min-height: 100px;
}

.media-logo-item {
    height: 36px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    opacity: 0.9;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.media-logo-item:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* Responsive - mniejsze loga na mobile */
@media (max-width: 600px) {
    .media-logos-divider {
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
    }

    .media-logo-item {
        height: 28px;
        max-width: 90px;
    }
}

/* ==========================================================================
   Portfolio Expandable Section
   ========================================================================== */
.portfolio-expandable {
    display: none;
    margin-top: var(--spacing-md);
}

.portfolio-expandable.expanded {
    display: grid;
}

.expand-btn {
    display: inline-block;
    margin-top: var(--spacing-md);
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    border: 1px solid var(--color-dark-gray);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-dark-gray);
    cursor: pointer;
    transition: all 0.3s ease;
}

.expand-btn:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.expand-btn.expanded {
    background-color: var(--color-off-white);
    border-color: var(--color-medium-gray);
}