html, body {
    scroll-behavior: smooth;
    margin: 0;
    padding: 0;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    overflow-x: hidden;
}

.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
    text-align: center;
    padding-bottom: 2rem;
    box-sizing: border-box;
}

.hero-canvas {
    position: absolute;
    inset: 0;
    z-index: -1;
    touch-action: pan-y;
}

.hero-canvas canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

.hero img, .hero h1 {
    opacity: 0;
    animation: fadeIn 2s forwards;
}

.hero img {
    width: 300px;
    height: 300px;
    object-fit: cover;
}

.hero-arrow {
    position: absolute;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    border: 2px solid #fff;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1;
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.35);
    animation: heroArrowBounce 1.2s ease-out 1;
    opacity: 0;
    animation-fill-mode: forwards;
}

.hero-arrow span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    transform-origin: center;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

@keyframes heroArrowBounce {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(-12px);
    }
    45% {
        opacity: 1;
        transform: translateX(-50%) translateY(12px);
    }
    70% {
        transform: translateX(-50%) translateY(-8px);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(470px, 1fr));
    gap: 0;
    width: 100%;
}

.thumb {
    position: relative;
    overflow: hidden;
    height: 470px;
    cursor: pointer;
}

.thumb .image {
    background-size: cover;
    background-position: center;
    height: 100%;
    transition: transform 0.5s ease;
}

.thumb:hover .image {
    transform: scale(1.1);
}

.thumb::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, rgba(10, 17, 25, 0.9), transparent);
}

.thumb h2 {
    position: absolute;
    bottom: 20px;
    left: 20px;
    margin: 0;
    color: #fff;
    font-size: 1.4em;
    z-index: 1;
}

@media (max-width: 600px) {
    .hero h1 { font-size: 1.8em; }
    .container { grid-template-columns: 1fr; }
    .thumb { height: 250px; }
}