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

body {
    font-family: 'Inter', sans-serif;
    background: #ffffff;
    color: #2c3e50;
    min-height: 100vh;
    line-height: 1.65;
}

header {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    padding: 1.8rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.header-container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.9rem;
    font-weight: 600;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: 0.5px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2.8rem;
}

nav a {
    color: rgba(255, 255, 255, 0.92);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.98rem;
    transition: all 0.3s ease;
}

nav a:hover {
    color: #ffffff;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: #ffffff;
    transition: all 0.3s ease;
}

main {
    width: 100%;
}

.hero {
    padding: 7rem 2.5rem;
    text-align: center;
    background: linear-gradient(to bottom, #ecf0f1 0%, #ffffff 100%);
    max-width: 1180px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.6rem;
    margin-bottom: 2rem;
    color: #2c3e50;
    font-weight: 600;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    max-width: 780px;
    margin: 0 auto 3rem;
    color: #5a6c7d;
    line-height: 1.75;
}

.cta-button {
    display: inline-block;
    padding: 1.15rem 3.2rem;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
}

.cta-button:hover {
    background: linear-gradient(135deg, #2980b9 0%, #3498db 100%);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(52, 152, 219, 0.4);
}

.features {
    padding: 6rem 2.5rem;
    max-width: 1180px;
    margin: 0 auto;
    background: #ffffff;
}

.features h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 4.5rem;
    color: #2c3e50;
    font-weight: 600;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
    gap: 3.5rem;
}

.feature-card {
    background: #f8f9fa;
    padding: 2.8rem 2.5rem;
    border-radius: 12px;
    border-left: 4px solid #3498db;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.feature-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    color: #2c3e50;
    font-weight: 600;
}

.feature-card p {
    color: #5a6c7d;
    font-size: 1.02rem;
    line-height: 1.75;
}

.game-container {
    width: 100%;
    max-width: 1180px;
    margin: 5rem auto;
    padding: 0 2.5rem;
}

.game-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 75%;
    background: #f8f9fa;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    border: 1px solid #e1e8ed;
}

.game-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.content-section {
    max-width: 960px;
    margin: 0 auto;
    padding: 5.5rem 2.5rem;
}

.content-section h1 {
    font-size: 3rem;
    margin-bottom: 2.5rem;
    color: #2c3e50;
    font-weight: 600;
}

.content-section h2 {
    font-size: 2rem;
    margin: 3.5rem 0 1.5rem;
    color: #2c3e50;
    font-weight: 600;
}

.content-section p {
    margin-bottom: 1.7rem;
    font-size: 1.05rem;
    color: #5a6c7d;
    line-height: 1.8;
}

.content-section ul {
    margin-left: 2rem;
    margin-bottom: 1.7rem;
}

.content-section li {
    margin-bottom: 0.95rem;
    color: #5a6c7d;
    font-size: 1.02rem;
}

footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    padding: 4rem 2.5rem 2rem;
    margin-top: 6rem;
}

.footer-content {
    max-width: 1180px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.98rem;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.92rem;
    margin-top: 2rem;
}

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 62, 80, 0.94);
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: #ffffff;
    padding: 3.8rem;
    border-radius: 12px;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.3);
    text-align: center;
    max-width: 500px;
    margin: 2rem;
}

.modal-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.8rem;
    color: #2c3e50;
    font-weight: 600;
}

.modal-content p {
    font-size: 1.1rem;
    margin-bottom: 2.8rem;
    color: #5a6c7d;
    line-height: 1.75;
}

.modal-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.modal-button {
    padding: 1.05rem 2.8rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-button.accept {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
}

.modal-button.accept:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(52, 152, 219, 0.4);
}

.modal-button.decline {
    background: #ecf0f1;
    color: #5a6c7d;
}

.modal-button.decline:hover {
    background: #d5dbdb;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        height: 100vh;
        background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
        transition: right 0.3s ease;
        padding-top: 5rem;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.2);
    }

    nav.active {
        right: 0;
    }

    nav ul {
        flex-direction: column;
        gap: 0;
    }

    nav a {
        display: block;
        padding: 1.5rem 2.5rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .hero h1 {
        font-size: 2.4rem;
    }

    .hero p {
        font-size: 1.08rem;
    }

    .features h2 {
        font-size: 2.2rem;
    }

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

    .content-section h1 {
        font-size: 2.3rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 1.5rem;
    }

    .modal-content {
        padding: 2.8rem;
    }

    .modal-content h2 {
        font-size: 2.1rem;
    }

    .modal-buttons {
        flex-direction: column;
    }
}