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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #e8f5e9;
    background-color: #3d7a3d;
}

/* Header and Navigation */
header {
    background-color: #244a24;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0.5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    gap: 0.5rem;
}

.logo {
    font-size: 1.2rem;
    font-weight: bold;
    color: #ea8c1b;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: #a5d6a7;
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-menu a:hover {
    color: #66bb6a;
}

/* Main Content */
main {
    min-height: calc(100vh - 200px);
    padding: 2rem;
}

.section {
    padding: 4rem 2rem;
    margin-bottom: 2rem;
    background-color: transparent;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: #2d5a2d;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

h2 {
    font-size: 2.5rem;
    color: #ea8c1b;
    margin-bottom: 2rem;
    text-align: center;
}

/* Tiles */
.tiles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.tiles-column {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.tiles-column .tile {
    height: 255px;
    position: relative;
}

.tiles-column .tile-image {
    display: none;
}

.tiles-column .tile summary {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    width: 100%;
}

.tiles-column .tile[open] summary {
    display: none;
}

.tiles-column .tile-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
}

.tiles-column .tile-content p {
    text-align: center;
    margin: 0;
    color: #a5d6a7;
    line-height: 1.6;
    font-size: 1.1rem;
}

.download-button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: #66bb6a;
    color: #0d2e0d;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.download-button:hover {
    background-color: #81c784;
    box-shadow: 0 2px 8px rgba(102, 187, 106, 0.3);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
}

.contact-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.8rem;
    justify-content: center;
}

.contact-item span {
    text-align: center;
    color: #a5d6a7;
    font-size: 1.1rem;
    line-height: 1.6;
}

.copy-btn {
    padding: 0.2rem 0.4rem;
    background-color: #66bb6a;
    color: #0d2e0d;
    border: none;
    border-radius: 3px;
    font-weight: bold;
    font-size: 0.65rem;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.copy-btn:hover {
    background-color: #81c784;
    box-shadow: 0 1px 3px rgba(102, 187, 106, 0.3);
}

.copy-btn:active {
    transform: scale(0.98);
}

.tile {
    background-color: #294929;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid #2d5a2d;
    overflow: hidden;
    height: 340px;
}

.tile:hover {
    border-color: #66bb6a;
    box-shadow: 0 2px 8px rgba(102, 187, 106, 0.3);
}

.tile summary {
    list-style: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 1.5rem;
    position: relative;
}

.tile summary::-webkit-details-marker {
    display: none;
}

.tile-image {
    width: 100%;
    height: 150px;
    object-fit: contain;
    border-radius: 8px;
    margin-bottom: 1rem;
    pointer-events: none;
}

.tile-title {
    font-size: 2rem;
    font-weight: bold;
    color: #66bb6a;
    text-align: center;
    pointer-events: none;
}

.tile[open] summary {
    font-size: 0.75rem;
    padding: 0.5rem 1.5rem;
}

.tile[open] summary::after {
    content: '−';
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    color: #66bb6a;
    transition: transform 0.3s ease;
}

.tile[open] .tile-image {
    display: none;
}

.tile p {
    padding: 0.3rem 1rem 1rem 1rem;
    color: #a5d6a7;
    line-height: 1.35;
    margin: 0;
    font-size: 0.9rem;
}

/* Footer */
footer {
    background-color: #0d2e0d;
    color: #a5d6a7;
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
    }

    h2 {
        font-size: 2rem;
    }

    .section {
        padding: 3rem 1rem;
    }

    .tiles {
        grid-template-columns: 1fr;
    }
}