:root {
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --primary-color: #ffffff;
    --text-color: #e0e0e0;
    --secondary-text-color: #a0a0a0;
    --accent-color: #4CAF50; /* A green accent for buttons */
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 960px;
    margin: 0 auto;
    padding: 4rem 0;
}

h1, h2, h3 {
    color: var(--primary-color);
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--accent-color);
    text-decoration: none;
}

/* Header */
.header {
    background-color: var(--surface-color);
    padding: 1rem 0;
    border-bottom: 1px solid #2e2e2e;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--primary-color);
}

.logo-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
}

.logo h1 {
    font-size: 1.8rem;
}

/* Header Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-label {
    color: var(--secondary-text-color);
    font-size: 0.9rem;
    margin-right: -0.5rem;
}

.main-nav a {
    color: var(--secondary-text-color);
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: var(--primary-color);
}

.main-nav a i {
    width: 24px;
    height: 24px;
    vertical-align: middle;
}

.button-download-header {
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.button-download-header:hover {
    background-color: #45a049;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
}

.hero .subtitle {
    font-size: 1.2rem;
    color: var(--secondary-text-color);
    max-width: 600px;
    margin: 1rem auto 0;
}

/* Showcase Section */
.showcase-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

.showcase-item:last-child {
    margin-bottom: 0;
}

.showcase-item.reverse .showcase-text {
    order: 2;
}
.showcase-item.reverse .showcase-image {
    order: 1;
}

.showcase-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.showcase-text ul {
    list-style: none;
    padding: 0;
}

.showcase-text li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.showcase-text li i {
    color: var(--accent-color);
    width: 20px;
    height: 20px;
}

.showcase-image img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.slideshow-container {
    position: relative;
    aspect-ratio: 9 / 16;
    background-color: #2a2a2a; /* Add a placeholder background */
    border-radius: 12px;
}

.slideshow-container .slide {
    width: 100%;
    height: 100%;
    object-fit: contain; /* Ensures the whole image is visible */
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: opacity 0.6s ease-in-out;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}

.slideshow-container .slide.active {
    position: relative;
    opacity: 1;
    z-index: 1;
}

/* CTA Section */
.cta {
    text-align: center;
}

.button-download {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.button-download:hover {
    background-color: #45a049;
}

.button-download i {
    width: 24px;
    height: 24px;
}

/* Footer */
.footer {
    background-color: var(--surface-color);
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer .container {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.footer p {
    color: var(--secondary-text-color);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Responsive */
@media (max-width: 768px) {
    h2 {
        font-size: 1.8rem;
    }
    .hero h2 {
        font-size: 2rem;
    }
    .container {
        padding: 3rem 0;
    }
    .header .container {
        flex-direction: column;
        gap: 1.5rem;
    }
    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    .showcase-item, .showcase-item.reverse {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 4rem;
    }
    .showcase-item .showcase-text,
    .showcase-item.reverse .showcase-text {
        order: 2;
    }
    .showcase-item .showcase-image,
    .showcase-item.reverse .showcase-image {
        order: 1;
    }
    .showcase-text h3 {
        text-align: center;
    }
}