/* Globalne Style */
:root {
    --background-dark: #040306;
    --text-light: #f8f6fc;
    --text-muted: #a39fb3;
    --gradient-start: #8038f8;
    --gradient-end: #ba5fff;
    --glass-bg-header: rgba(8, 5, 10, 0.75);
    --glass-bg-container: rgba(12, 8, 16, 0.65);
    --blur-effect: blur(10px);
    /* Zachowane dla desktop */
    --container-padding: 20px;
    --section-padding: 90px 0;
    --header-padding-initial: 30px;
    --header-padding-scrolled: 15px;
    --transition-speed: 0.3s;
    --orb-color: #8038f8;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-dark);
    color: var(--text-light);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.8em;
}

h1 {
    font-size: 3.8rem;
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.hero-section h1 .gradient-text {
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    line-height: 1.3;
}

h3 {
    font-size: 1.8rem;
    line-height: 1.4;
}

.subsection-title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 25px;
    margin-top: 50px;
}

p {
    margin-bottom: 1.2em;
    color: var(--text-muted);
}

a {
    text-decoration: none;
    color: var(--text-light);
    transition: color var(--transition-speed) ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.gradient-text {
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-gradient {
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    color: var(--text-light);
    box-shadow: 0 5px 15px rgba(128, 56, 248, 0.3);
}

.btn-gradient:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 8px 20px rgba(128, 56, 248, 0.4);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-light);
    border: 2px solid var(--gradient-start);
}

.btn-outline:hover {
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    color: var(--text-light);
    border-color: transparent;
    transform: translateY(-3px) scale(1.03);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    font-size: 0.85rem;
    padding: 8px 18px;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.8rem;
}

.discord-btn i {
    margin-right: 8px;
    font-size: 1.1em;
}

.glassmorphism-container {
    background: var(--glass-bg-container);
    backdrop-filter: var(--blur-effect);
    /* Działa na desktop */
    -webkit-backdrop-filter: var(--blur-effect);
    /* Działa na desktop */
    border-radius: 15px;
    padding: 35px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.25);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.8rem;
}

.content-section {
    padding: var(--section-padding);
    position: relative;
}

/* Loader Strony */
#loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--background-dark);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader-logo {
    width: 75px;
    height: auto;
    margin-bottom: 25px;
}

.progress-bar {
    width: 150px;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    animation: progressBarAnimation 1.5s ease-out forwards;
}

@keyframes progressBarAnimation {
    0% {
        width: 0%;
    }

    100% {
        width: 100%;
    }
}

#loader.hidden {
    opacity: 0;
    visibility: hidden;
}

/* Latające Kule */
.background-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.orb {
    position: absolute;
    width: 300px;
    /* Rozmiar kontrolowany przez JS, ale można ustawić tu max */
    height: 300px;
    background-color: var(--orb-color);
    border-radius: 50%;
    filter: blur(50px);
    /* Zmniejszony blur domyślnie */
    will-change: transform, opacity;
}

/* Nagłówek */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--header-padding-initial) 0;
    /* Usunięto backdrop-filter z transition dla płynności */
    transition: background var(--transition-speed) ease, padding var(--transition-speed) ease;
    background: transparent;
}

#main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#logo {
    height: 60px;
    transition: height var(--transition-speed) ease;
}

#main-header.scrolled {
    background: var(--glass-bg-header);
    backdrop-filter: var(--blur-effect);
    /* Działa na desktop */
    -webkit-backdrop-filter: var(--blur-effect);
    /* Działa na desktop */
    padding: var(--header-padding-scrolled) 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

#main-header.scrolled #logo {
    height: 55px;
}

#main-header nav ul {
    list-style: none;
    display: flex;
}

#main-header nav ul li {
    margin-left: 35px;
}

#main-header nav ul li a {
    color: var(--text-light);
    font-weight: 500;
    padding-bottom: 10px;
    position: relative;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

#main-header nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    transition: width var(--transition-speed) ease;
}

#main-header nav ul li a:hover::after,
#main-header nav ul li a.active-link::after {
    width: 100%;
}

#main-header nav ul li a:hover {
    color: var(--text-light);
}

/* Sekcja Hero */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: calc(var(--header-padding-initial) * 2 + 60px);
    position: relative;
}

.hero-section .container {
    max-width: 800px;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons .btn {
    margin: 0 15px;
}

/* Sekcja Projekty */
.projects-section .projects-container {
    position: relative;
}

.projects-slider {
    position: relative;
    overflow: hidden;
}

.project-slide {
    display: none;
    opacity: 0;
    transition: opacity 0.7s ease-in-out;
    flex-direction: row;
    align-items: stretch;
    gap: 35px;
    min-height: 480px;
}

.project-slide.active {
    display: flex;
    opacity: 1;
    position: relative;
}

.project-image {
    flex: 0 0 48%;
    overflow: hidden;
    border-radius: 10px;
    display: flex;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 10px 0;
}

.project-category {
    display: inline-block;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    color: var(--text-light);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 18px;
    align-self: flex-start;
}

.project-content h3 {
    margin-bottom: 15px;
    font-size: 2rem;
}

.project-content p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 30px;
    flex-grow: 1;
    line-height: 1.8;
}

.project-actions {
    margin-top: auto;
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

/* Sekcja Opinie i Kontakt */
.testimonials-contact-section .testimonials-contact-container {
    position: relative;
}

.static-testimonials-grid {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    gap: 25px;
    align-items: stretch;
    margin-bottom: 50px;
}

.testimonial-card {
    background: rgba(20, 15, 30, 0.5);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    flex-basis: calc(33.333% - 20px);
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.07);
    min-height: 380px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.testimonial-avatar {
    width: 85px;
    height: 85px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 18px;
    border: 3px solid var(--gradient-start);
}

.testimonial-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.testimonial-content h4 {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 5px;
}

.testimonial-company {
    font-size: 0.85rem;
    color: var(--gradient-start);
    margin-bottom: 15px;
    font-weight: 500;
}

.testimonial-content p:not(.testimonial-company) {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.75;
    font-style: italic;
    flex-grow: 1;
    margin-bottom: 0;
}

.contact-cta-subsection {
    text-align: center;
    padding-top: 30px;
}

.contact-cta-subsection p {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 30px;
    color: var(--text-muted);
    font-size: 1.05rem;
}

.slider-nav {
    display: flex;
    gap: 15px;
    margin-top: 25px;
    justify-content: center;
}

.project-slider-nav {
    position: absolute;
    top: 50%;
    right: -70px;
    transform: translateY(-50%);
    flex-direction: column;
    gap: 20px;
    margin-top: 0;
}

.slider-nav button {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease, border-color var(--transition-speed) ease;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.1rem;
}

.slider-nav button:hover {
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    transform: scale(1.1);
    border-color: transparent;
}

/* Stopka */
#main-footer {
    padding: 60px 0 40px;
    text-align: center;
    background: transparent;
}

.social-icons {
    margin-bottom: 20px;
}

.social-icons a {
    color: var(--text-muted);
    font-size: 1.6rem;
    margin: 0 14px;
    transition: color var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.social-icons a:hover {
    color: var(--gradient-start);
    transform: translateY(-3px);
}

#main-footer p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Animacje Wejścia (Intersection Observer) */
.animated-section {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Media Queries (Responsywność) */
@media (max-width: 1200px) {
    .project-slider-nav {
        right: -60px;
    }

    .testimonial-card {
        flex-basis: calc(33.333% - 15px);
        gap: 20px;
    }
}

@media (max-width: 1024px) {
    h1 {
        font-size: 3.2rem;
    }

    .project-slider-nav {
        position: static;
        transform: none;
        flex-direction: row;
        justify-content: center;
        margin-top: 35px;
    }

    .static-testimonials-grid {
        gap: 20px;
    }

    .testimonial-card {
        padding: 20px;
        min-height: 360px;
    }
}

@media (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }

    h2 {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 2.4rem;
        margin-bottom: 40px;
    }

    .subsection-title {
        font-size: 2rem;
        margin-top: 40px;
    }

    #main-header nav {
        margin-left: auto;
        margin-right: 20px;
    }

    #main-header nav ul li {
        margin-left: 20px;
    }

    .project-slide {
        flex-direction: column;
        align-items: center;
        text-align: center;
        min-height: auto;
        gap: 25px;
    }

    .project-image {
        flex: 0 0 auto;
        width: 80%;
        max-height: 350px;
        margin-bottom: 20px;
    }

    .project-content {
        align-items: center;
    }

    .project-category {
        align-self: center;
    }

    .project-actions {
        justify-content: center;
    }

    .static-testimonials-grid {
        flex-direction: column;
        gap: 25px;
    }

    .testimonial-card {
        flex-basis: 100%;
        min-height: auto;
    }
}

@media (max-width: 768px) {

    /* Optymalizacje wydajności dla mobile */
    .orb {
        filter: blur(25px);
        /* Znacznie mniejszy blur dla kul na mobile */
    }

    .glassmorphism-container,
    #main-header.scrolled {
        backdrop-filter: none;
        /* Wyłączenie kosztownego backdrop-filter */
        -webkit-backdrop-filter: none;
        /* Tło RGBA nadal działa z :root --glass-bg-container / --glass-bg-header */
    }

    /* Koniec optymalizacji wydajności dla mobile */

    body.nav-open {
        overflow: hidden;
    }

    #main-header {
        padding: 20px 0;
    }

    #main-header.scrolled {
        padding: 15px 0;
    }

    #main-header nav {
        display: none;
        /* Zakładając, że masz menu mobilne, które to obsłuży */
        /* Jeśli nie, musisz dostosować nawigację mobilną */
    }

    .discord-btn {
        font-size: 0.85rem;
        padding: 10px 20px;
    }

    h1 {
        font-size: 2.5rem;
        letter-spacing: -0.5px;
    }

    .subsection-title {
        font-size: 1.8rem;
    }

    .hero-section {
        padding-top: 90px;
        min-height: auto;
        padding-bottom: 60px;
    }

    .hero-description {
        font-size: 1.05rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .cta-buttons .btn {
        width: 80%;
        max-width: 300px;
        margin: 0;
    }

    .project-image {
        width: 100%;
        max-height: 300px;
    }

    .project-content h3 {
        font-size: 1.6rem;
    }

    .testimonial-avatar {
        width: 70px;
        height: 70px;
    }

    .testimonial-content h4 {
        font-size: 1.1rem;
    }

    .testimonial-content p:not(.testimonial-company) {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .container {
        width: 95%;
        padding: 0 10px;
    }

    h1 {
        font-size: 2.1rem;
        line-height: 1.25;
    }

    h2 {
        font-size: 1.7rem;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }

    .subsection-title {
        font-size: 1.6rem;
    }

    #logo {
        height: 50px;
    }

    #main-header.scrolled #logo {
        height: 45px;
    }

    .discord-btn i {
        display: none;
    }

    .discord-btn {
        padding: 10px 15px;
    }

    .btn {
        padding: 12px 22px;
        font-size: 0.9rem;
    }

    .project-actions .btn {
        width: 100%;
        margin-bottom: 10px;
    }

    .project-actions {
        flex-direction: column;
    }

    .project-actions a:last-child {
        margin-bottom: 0;
    }

    .testimonial-card {
        padding: 15px;
    }
}