/* --- 1. RESET I BAZA --- */
* { box-sizing: border-box; }
html { font-size: calc(0.5vw + 10px); }
body, html {
    margin: 0; padding: 0;
    height: 100%; width: 100%;
    overflow: hidden;
    background-color: #000;
    font-family: 'Montserrat', sans-serif;
    color: white;
}

/* --- 2. NAGŁÓWEK --- */
header {
    position: fixed; top: 0; left: 0; width: 100%;
    z-index: 100; pointer-events: none;
}
.header-container {
    width: 92%; max-width: 1600px;
    margin: 0 auto; display: flex;
    justify-content: space-between; align-items: flex-start;
    padding-top: clamp(20px, 3vw, 50px); pointer-events: auto;
}
.logo-wrap {
    display: flex; align-items: flex-start; gap: 1vw;
    text-decoration: none !important; color: white !important;
}
.logo-wrap:visited { color: white !important; }

/* Ukrywanie elementów po powiększeniu */
body.item-expanded .logo-wrap,
body.item-expanded nav {
    opacity: 0 !important; visibility: hidden; pointer-events: none;
}

.logo-images {
    position: relative; width: clamp(60px, 7vw, 100px); height: clamp(60px, 7vw, 100px);
    display: flex; align-items: center;
}
.logo-images img { width: 100%; height: auto; }
.brand-info {
    display: flex; flex-direction: column; gap: 1px;
    margin-top: clamp(15px, 1.8vw, 25px);
}
.brand-name {
    font-weight: 700; font-size: clamp(0.85rem, 0.95vw, 1.05rem);
    letter-spacing: 0.2em; text-transform: uppercase;
}
.studio-tag {
    font-weight: 600; font-size: clamp(0.55rem, 0.65vw, 0.75rem);
    letter-spacing: 0.5em; text-transform: uppercase;
}
nav { margin-top: clamp(15px, 1.8vw, 25px); transition: opacity 0.4s; }
nav ul { list-style: none; margin: 0; padding: 0; display: flex; }
nav ul li a {
    color: white !important; text-decoration: none;
    font-size: clamp(0.7rem, 0.8vw, 0.9rem); font-weight: 600;
    letter-spacing: 0.3em; text-transform: uppercase;
}

/* --- 3. KONTENER PRZEWIJANIA --- */
.container {
    height: 100vh; width: 100%;
    transition: transform 0.9s cubic-bezier(0.645, 0.045, 0.355, 1);
}
section {
    height: 100vh; width: 100%;
    position: relative; display: flex;
    justify-content: center; align-items: center;
}

/* --- 4. PLANSZA WSTĘPNA --- */
.arch-intro { background-color: #11120D; }
.intro-box { text-align: center; max-width: 800px; padding: 0 20px; }
.category-label { font-size: 0.8rem; letter-spacing: 0.4em; opacity: 0.5; display: block; margin-bottom: 20px; }
.intro-box h1 { font-size: clamp(2rem, 4vw, 4rem); letter-spacing: 0.1em; font-weight: 600; margin-bottom: 30px; }
.line-divider { width: 40px; height: 1px; background: white; margin: 0 auto 30px; opacity: 0.5; }
.intro-box p { font-size: clamp(1.0rem, 1.2vw, 1.4rem); line-height: 1.8; font-weight: 300; opacity: 0.8; letter-spacing: 0.2em; }

/* --- 5. PLANSZE Z PRACAMI --- */
.work-slide { position: relative; overflow: hidden; cursor: zoom-in; background-color: #000; background-size: cover; background-position: center; }

/* Rozmyte tło */
.work-slide::before {
    content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-image: inherit; background-size: cover; background-position: center;
    filter: blur(70px) saturate(1.2) brightness(0.5); opacity: 0;
    transition: opacity 0.8s ease; z-index: 1;
}
.work-slide.expanded::before { opacity: 1; }

.work-slide img {
    width: 100%; height: 100%; object-fit: cover;
    opacity: 1.0; transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2; position: relative;
}

/* Tryb POWIĘKSZONY */
.work-slide.expanded { cursor: zoom-out; }
.work-slide.expanded img {
    object-fit: contain; width: 85%; height: 75%; opacity: 1;
}

/* STRZAŁKI */
.gallery-nav {
    position: absolute; top: 50%; width: 100%;
    display: flex; justify-content: space-between;
    padding: 10vw; z-index: 105; opacity: 0;
    pointer-events: none; transition: opacity 0.4s ease;
    transform: translateY(-50%);
}
.work-slide.expanded .gallery-nav { opacity: 1; pointer-events: auto; }
.gallery-nav button {
    background: none; border: none; color: white;
    font-size: 3rem; cursor: pointer; opacity: 0.4; transition: 0.3s;
}
.gallery-nav button:hover { opacity: 1; transform: scale(1.1); }

/* OPIS PRACY (W MIEJSCU LOGO) */
.work-desc-overlay {
    position: absolute; top: clamp(20px, 3vw, 50px);
    left: calc((100% - 92%) / 2);
    display: flex; flex-direction: column; gap: 4px;
    margin-top: clamp(15px, 1.8vw, 25px);
    opacity: 0; visibility: hidden; transition: 0.5s; z-index: 101;
}
@media (min-width: 1600px) { .work-desc-overlay { left: calc((100% - 1600px) / 2); } }
.work-slide.expanded .work-desc-overlay { opacity: 1; visibility: visible; }
.p-name { font-weight: 700; font-size: clamp(0.7rem, 0.8vw, 0.9rem); letter-spacing: 0.3em; text-transform: uppercase; }
.p-category { font-weight: 400; font-size: clamp(0.5rem, 0.6vw, 0.7rem); letter-spacing: 0.5em; opacity: 0.5; text-transform: uppercase; }


/* --- BOCZNA NAWIGACJA (KROPKI) --- */
.side-nav {
    position: fixed;
    right: 4%; /* Taki sam margines jak logo po lewej */
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 100;
    transition: opacity 0.4s ease, visibility 0.4s;
}

.dot {
    width: 8px;
    height: 8px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

.dot.active {
    background: white;
    transform: scale(1.3);
    border-color: white;
}

/* Ukrywanie kropek w trybie powiększenia (Expanded) */
body.item-expanded .side-nav {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* --- 4. PLANSZA WSTĘPNA: ANIMACJE --- */
.arch-intro .intro-box > * {
    opacity: 0;
    transform: translateY(20px);
    transition: all 1s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Po dodaniu klasy .active przez JavaScript */
.arch-intro.active .category-label {
    opacity: 0.5;
    transform: translateY(0);
    transition-delay: 0.3s;
}

.arch-intro.active h1 {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

.arch-intro.active .line-divider {
    opacity: 0.5;
    transform: translateY(0);
    transition-delay: 0.8s;
}

.arch-intro.active p {
    opacity: 0.8;
    transform: translateY(0);
    transition-delay: 1s;
}