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

@font-face {
    font-family: brashV1;
    src: url(BrashV1.ttf);
}

@font-face {
    font-family: boldV1;
    src: url(BoldV1.ttf);
}

body {
    min-height: 100vh;
}

/* Hero section container */
.hero-section {
    height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

.row {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.row::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.row-text {
    font-family: brashV1, sans-serif;
    font-size: clamp(3rem, 10vw, 6rem);
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    z-index: 2;
    text-align: center;
}

.extensible {
    background-image: url('images/extensible.png');
}

.multimedia {
    background-image: url('images/multimedia.png');
}

.powerhouse {
    background-image: url('images/powerhouse.png');
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.8);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    line-height: 1;
}

.scroll-arrow::before {
    content: '⌄';
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@media (max-width: 768px) {
    .row-text {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .row-text {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .row-text {
        font-size: 2rem;
    }
}

/* Explanation Section */
.explanation {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.explanation-content {
    max-width: 800px;
    text-align: left;
    padding: 2rem;
}

.explanation-title {
    font-family: boldV1, sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: #2c3e50;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.explanation-text {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    line-height: 1.8;
    color: #34495e;
    margin-bottom: 1.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 768px) {
    .explanation {
        padding: 1rem;
    }

    .explanation-content {
        padding: 1rem;
    }

    .explanation-title {
        margin-bottom: 1.5rem;
    }
}