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

:root {
    --primary-color: #10b981;
    --secondary-color: #3b82f6;
    --dark-bg: #1a2f1a;
    --light-bg: #2d4a2d;
    --text-light: #f0fdf4;
    --text-gray: #bbf7d0;
    --sheep-white: #f9fafb;
    --forest-dark: #14532d;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(180deg, #0a1f0a 0%, #1a2f1a 50%, #0f2820 100%);
    background-attachment: fixed;
    color: var(--text-light);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--forest-dark) 0%, var(--primary-color) 50%, var(--secondary-color) 100%);
    padding: 40px 0;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

header h1 {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 8px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
    position: relative;
    z-index: 1;
}

.tagline {
    font-size: 1.4rem;
    opacity: 0.85;
    font-weight: 300;
    letter-spacing: 2px;
}

/* Hero Section */
.hero {
    padding: 60px 0;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero h2 {
    font-size: 1.8rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: 35px;
    letter-spacing: 1px;
}

.hero p {
    font-size: 1.1rem;
    font-weight: 300;
    text-align: center;
    margin: 0 auto 30px;
    line-height: 1.7;
    color: var(--text-gray);
    opacity: 0.9;
    letter-spacing: 0.3px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.15);
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.download-btn:hover::before {
    left: 100%;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.5),
                0 0 20px rgba(59, 130, 246, 0.2);
}

.download-btn svg {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* Video Section */
.video-section {
    padding: 60px 0;
    background: rgba(45, 74, 45, 0.3);
    backdrop-filter: blur(10px);
}

.video-section h2 {
    font-size: 1.8rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: 35px;
    letter-spacing: 1px;
}

.video-container {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(16, 185, 129, 0.3);
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.video-container iframe,
.video-container video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
}

/* Unity Setup Section */
.unity-setup {
    padding: 60px 0;
}

.unity-setup h2 {
    font-size: 1.8rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: 35px;
    letter-spacing: 1px;
}

.unity-image-container {
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(16, 185, 129, 0.3);
    border: 1px solid rgba(16, 185, 129, 0.4);
    overflow: hidden;
}

.unity-image-container img {
    width: 100%;
    height: auto;
    display: block;
}

/* Credits Section */
.credits {
    padding: 60px 0;
}

.credits h2 {
    font-size: 1.8rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: 40px;
    letter-spacing: 1px;
}

.credits-content {
    max-width: 700px;
    margin: 0 auto;
}

.credits-content h3 {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 25px;
    color: var(--primary-color);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    opacity: 0.9;
}

.credits-content ul {
    list-style: none;
}

.credits-content li {
    margin-bottom: 10px;
}

.credits-content a {
    display: block;
    padding: 14px 18px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(59, 130, 246, 0.15));
    backdrop-filter: blur(10px);
    border-radius: 6px;
    font-size: 0.95rem;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
    font-weight: 500;
}

.credits-content a:hover {
    transform: translateX(6px);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.25), rgba(59, 130, 246, 0.25));
    border-color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35),
                0 0 20px rgba(59, 130, 246, 0.2);
}

/* Footer */
footer {
    background: linear-gradient(180deg, rgba(45, 74, 45, 0.3) 0%, var(--forest-dark) 100%);
    padding: 50px 0 25px;
    border-top: 1px solid rgba(16, 185, 129, 0.3);
    box-shadow: inset 0 1px 0 rgba(16, 185, 129, 0.1);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.team {
    text-align: center;
    margin-bottom: 40px;
}

.team h3 {
    font-size: 1.8rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: 35px;
    letter-spacing: 1px;
}

.team-members {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.member {
    text-align: center;
}

.member .name {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--text-light);
    letter-spacing: 0.5px;
}

.member a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 6px 18px;
    border: 1px solid rgba(16, 185, 129, 0.5);
    border-radius: 4px;
    display: inline-block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(16, 185, 129, 0.05);
    letter-spacing: 0.5px;
}

.member a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.copyright {
    text-align: center;
    margin-top: 35px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-gray);
    font-size: 0.8rem;
    opacity: 0.7;
    letter-spacing: 0.5px;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
        letter-spacing: 4px;
    }

    .tagline {
        font-size: 0.85rem;
    }

    .hero h2,
    .video-section h2,
    .credits h2 {
        font-size: 1.3rem;
    }

    .download-btn {
        font-size: 0.9rem;
        padding: 10px 24px;
    }

    .team-members {
        gap: 30px;
    }

    .hero,
    .video-section,
    .credits {
        padding: 50px 0;
    }
}