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

:root {
    --paper: #f5f2ed;
    --warm-gray: #d4cfc8;
    --accent: #c4a27a;
    --cream: #e8dfd3;
    --ink: #2c2c2e;
}

html {
    scroll-snap-type: y mandatory;
    overflow-y: scroll;
}

body {
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 300;
    background-color: var(--paper);
    color: var(--ink);
    line-height: 1.8;
}

.scroll-container {
    width: 100%;
}

/* Rooms */
.room {
    height: 100dvh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    scroll-snap-align: start;
    overflow: hidden;
    position: relative;
}

/* Room 1: The Void */
.room-1 {
    background-color: var(--paper);
    flex-direction: column;
    gap: 2rem;
}

.logotype {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12vw;
    font-weight: 300;
    letter-spacing: 0.15em;
    color: var(--ink);
    cursor: default;
}

.logo-char {
    display: inline-block;
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1), color 0.4s ease;
    cursor: pointer;
}

.logo-char:hover {
    transform: translateY(-8px);
    color: var(--accent);
}

.subtitle {
    font-size: 0.875rem;
    font-weight: 300;
    color: var(--ink);
    opacity: 0.3;
    letter-spacing: 0.3em;
    text-transform: lowercase;
}

/* Room 2: The Gallery */
.room-2 {
    background-color: var(--paper);
}

.gallery {
    display: flex;
    gap: 3vw;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.card {
    width: 22vw;
    min-width: 200px;
    max-width: 300px;
    aspect-ratio: 1;
    background-color: var(--cream);
    border: 1px solid var(--warm-gray);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1),
                box-shadow 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(44, 44, 46, 0.08);
}

.composition {
    width: 80%;
    height: 80%;
}

.card-label {
    position: absolute;
    bottom: 1rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink);
    opacity: 0.4;
}

/* Room 3: The Signal */
.room-3 {
    background-color: var(--paper);
}

.signal-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.signal-line {
    width: 1px;
    height: 60px;
    background-color: var(--accent);
    opacity: 0.6;
}

.signal-text {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--ink);
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    .gallery {
        flex-direction: column;
        gap: 2rem;
    }

    .card {
        width: 60vw;
        max-width: 280px;
    }

    .logotype {
        font-size: 18vw;
    }
}