html, body {
    height: 100%;
    margin: 0;
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    background: #f7f7f8;
    color: #111;
}

#webgl-container {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

main {
    position: relative;
    z-index: 10;
    max-width: 1100px;
    margin: 0 auto;
    padding: 6rem 1rem;
}

.card {
    background: #ffffff;
    border-radius: 10px;
    padding: 1.25rem;
    margin: 2rem 0;
    box-shadow: 0 6px 20px rgba(12,24,40,0.06);
}

.card.left { transform-origin: left center; }
.card.right { transform-origin: right center; }

@media (max-width: 768px) {
    main { padding-top: 4.5rem; }
    .card { margin: 1rem 0; }
}

.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0);
    white-space: nowrap; border: 0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    overflow-x: hidden;
}

#webgl-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: linear-gradient(135deg, #1f4037 0%, #99f2c8 100%);
}

.black-screen {
    width: 100vw;
    height: 100vh;
    background-color: #050505;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    z-index: 10;
}

.black-screen h1 {
    font-size: 4rem;
}

.black-screen p {
    margin-top: 10px;
    opacity: 0.7;
}

#main-content {
    position: relative;
    width: 100vw;
    height: 300vh;
    padding: 100px 5vw;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 30px;
    border-radius: 12px;
    width: 400px;
    max-width: 90vw;
    color: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.card h2 {
    margin-bottom: 15px;
    font-size: 2rem;
}

.card.left {
    align-self: flex-start;
}

.card.right {
    align-self: flex-end;
}

.outro-info {
    margin-top: 30px;
    text-align: center;
    max-width: 800px;
}

.outro-info h2 {
    margin-bottom: 10px;
}

.map-container {
    margin-top: 20px;
    width: 80vw;
    max-width: 700px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}