@font-face {
  font-family: 'Neue Haas Grotesk';
  src: url('fonts/Neue Haas Grotesk Text Pro 65 Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    background-color: #f0f1f3;
    color: #1a1a1a;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    overflow-x: hidden;
    cursor: none;
    transition: background-color 0.5s ease, color 0.5s ease; /* Płynne przejście */
}

#webgl-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 10;
    pointer-events: none;
    transition: opacity 0.5s ease-out;
}
#webgl-container.faded {
    opacity: 0;
}
.custom-cursor {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 1px solid #888;
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 9999;
    mix-blend-mode: difference;
}

main {
    position: relative;
    z-index: 1;
}
.hero-section {
    height: 100vh;
}
.about-section {
    position: relative;
    min-height: 100vh;
    padding: 10vh 5vw;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: url('back.png');
    background-size: cover;
    background-position: center center;
}
.content-wrapper {
    max-width: 700px;
    text-align: center;
}
.content-wrapper h2 {
    font-family: 'Neue Haas Grotesk', sans-serif;
    font-size: 8rem;
    font-weight: 700;
    color: #000000;
    line-height: 1;
    margin-bottom: 40px;
    letter-spacing: -2px;
    transition: color 0.5s ease; 
}
.content-wrapper p {
    font-family: 'Neue Haas Grotesk', sans-serif;
    font-size: 1.4rem;
    line-height: 1.2;
    margin-bottom: 1.5em;
    color: #000000;
    transition: color 0.5s ease; 
}
.content-wrapper p:last-child {
    margin-bottom: 0;
}
.contact-section {
    background-color: #f0f1f3;
    text-align: center;
    padding: 10vh 5vw;
    transition: background-color 0.5s ease; 
}
.contact-section h2 {
    font-family: 'Neue Haas Grotesk', sans-serif;
    font-size: 6rem;
    font-weight: 700;
    margin-bottom: 20px;
    transition: color 0.5s ease; 
}
.contact-section p {
    font-family: 'Neue Haas Grotesk', sans-serif;
    font-size: 1.4rem;
    line-height: 1.2;
    margin-bottom: 1.5em;
    color: #000000;
    transition: color 0.5s ease; 
}
.contact-section a {
    font-family: 'Neue Haas Grotesk', sans-serif;
    font-size: 1.3rem;
    color: #1a1a1a;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s ease, color 0.5s ease;
}
.contact-section a:hover {
    border-bottom-color: #1a1a1a;
}
#logo-source {
    position: absolute;
    top: -9999px;
    left: -9999px;
    z-index: -1;
}

#dark-mode-toggle {
    position: fixed;
    top: 30px;
    right: 30px;
    width: 24px;
    height: 24px;
    border: 2px solid #1a1a1a;
    border-radius: 50%;
    z-index: 1000;
    cursor: pointer;
    transition: background-color 0.5s ease, border-color 0.5s ease;
}



body.dark-mode {
    background-color: #1a1a1a;
    color: #f0f1f3;
}


body.dark-mode #dark-mode-toggle {
    border-color: #f0f1f3;
    background-color: #f0f1f3; 
}


body.dark-mode .content-wrapper h2,
body.dark-mode .content-wrapper p,
body.dark-mode .contact-section h2,
body.dark-mode .contact-section p {
    color: #f0f1f3;
}


body.dark-mode .contact-section {
    background-color: #1a1a1a;
}
body.dark-mode .contact-section a {
    color: #f0f1f3;
}
body.dark-mode .contact-section a:hover {
    border-bottom-color: #f0f1f3;
}