/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background: #f8f9fa;
}

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

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, #1a237e, #3f51b5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    min-width: 120px;
}

.btn-primary {
    background: linear-gradient(135deg, #1a237e 0%, #3f51b5 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(26, 35, 126, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 35, 126, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #1a237e;
    border: 2px solid #1a237e;
}

.btn-secondary:hover {
    background: #1a237e;
    color: white;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.2rem;
    margin: 0 10px 10px 0;
}

/* === HEADER === */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    color: white;
    font-size: 1.5rem;
    margin: 0;
}

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

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

.nav-menu a:hover {
    color: #81c784;
}

.burger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.burger-line {
    width: 25px;
    height: 3px;
    background: white;
    margin: 2px 0;
    transition: 0.3s;
}

/* === HERO SECTION === */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: url('../images/hero_desktop_bg.jpg') center top/cover;
    background-attachment: scroll;
    padding: 120px 15px 40px;
    text-align: center;
    color: white;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(26, 35, 126, 0.8), rgba(63, 81, 181, 0.6));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    margin-bottom: 1.5rem;
    color: #81c784;
    font-weight: 600;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* === GAME SECTION === */
.game-section {
    padding: 80px 0;
    background: white;
}

.game-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.game-frame {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.game-frame:hover {
    transform: scale(1.02);
}

.game-screenshot {
    width: 100%;
    height: auto;
    display: block;
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 35, 126, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: white;
}

.game-frame:hover .play-overlay {
    opacity: 1;
}

.play-button {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #81c784;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(129, 199, 132, 0.4);
}

.game-info h3 {
    font-size: 2rem;
    color: #1a237e;
    margin-bottom: 1.5rem;
}

.game-features {
    list-style: none;
    margin-bottom: 2rem;
}

.game-features li {
    padding: 0.5rem 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
}

/* === FEATURES SECTION === */
.features-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h3 {
    color: #1a237e;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* === HOW TO PLAY SECTION === */
.howtoplay-section {
    padding: 80px 0;
    background: white;
}

.instructions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.instruction-step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1a237e, #3f51b5);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
}

.instruction-step h3 {
    color: #1a237e;
    margin-bottom: 1rem;
}

.instruction-step p {
    color: #666;
    line-height: 1.6;
}

/* === ABOUT SECTION === */
.about-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f5e8 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    color: #1a237e;
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.about-text p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.section-image {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* === CONTACT SECTION === */
.contact-section {
    padding: 80px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    color: #1a237e;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.contact-info p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.contact-details p {
    margin-bottom: 0.5rem;
}

.contact-form {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1a237e;
}

/* === FOOTER === */
.main-footer {
    background: #1a237e;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1.5rem;
    color: #81c784;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #b0b0b0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #81c784;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #b0b0b0;
}

/* === POPUPS === */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: white;
    padding: 3rem 2rem;
    border-radius: 15px;
    text-align: center;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.popup-overlay.active .popup-content {
    transform: scale(1);
}

.popup-content h2,
.popup-content h3 {
    color: #1a237e;
    margin-bottom: 1.5rem;
}

.popup-content p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.popup-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
    .hero-section {
        background-position: center top;
        background-size: cover;
        min-height: calc(100vh - 60px);
        margin-top: 60px;
        padding: 60px 15px 40px;
    }
    
    .nav-menu {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
        flex-direction: column;
        padding: 20px;
        z-index: 999;
        box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        margin: 10px 0;
    }

    .burger-menu {
        display: flex;
    }

    .game-preview,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-large {
        width: 100%;
        max-width: 300px;
        margin: 0.5rem 0;
    }

    .popup-content {
        padding: 2rem 1.5rem;
        margin: 1rem;
    }

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

    .popup-buttons .btn {
        width: 100%;
        margin: 0.5rem 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
        letter-spacing: 1px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .feature-card,
    .instruction-step {
        padding: 1.5rem 1rem;
    }

    .popup-content {
        padding: 1.5rem 1rem;
    }
}