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

:root {
    --primary-color: #FF6B6B;
    --secondary-color: #4ECDC4;
    --accent-color: #FFE66D;
    --dark-color: #2C3E50;
    --light-color: #F8F9FA;
    --text-color: #333;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

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

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    color: white;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
}

.logo a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.logo a:hover {
    opacity: 0.9;
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 4rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-blocks {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.block {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    animation: jump 2s ease-in-out infinite;
}

.block-1 {
    background: var(--primary-color);
    animation-delay: 0s;
}

.block-2 {
    background: var(--secondary-color);
    animation-delay: 0.2s;
}

.block-3 {
    background: var(--accent-color);
    animation-delay: 0.4s;
}

.block-4 {
    background: #95E1D3;
    animation-delay: 0.6s;
}

.block-5 {
    background: #F38181;
    animation-delay: 0.8s;
}

@keyframes jump {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Features */
.features {
    padding: 4rem 0;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
}

.feature-icon {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
}

.animated-block {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius);
    animation: jump 1.5s ease-in-out infinite;
}

.feature-card h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

/* Screenshots */
.screenshots {
    padding: 4rem 0;
    background: white;
}

.screenshots h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.screenshot-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.screenshot-item img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
}

/* CTA */
.cta {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.btn {
    padding: 0.8rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
}

.btn-primary {
    background: white;
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
}

/* Page Header */
.page-header {
    padding: 3rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Mechanics */
.mechanics {
    padding: 4rem 0;
}

.mechanic-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
}

.mechanic-item.reverse {
    direction: rtl;
}

.mechanic-item.reverse > * {
    direction: ltr;
}

.mechanic-content h2 {
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.mechanic-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.mechanic-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.demo-blocks {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.demo-block {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius);
    animation: jump 2s ease-in-out infinite;
}

.demo-red {
    background: var(--primary-color);
    animation-delay: 0s;
}

.demo-blue {
    background: var(--secondary-color);
    animation-delay: 0.2s;
}

.demo-green {
    background: #95E1D3;
    animation-delay: 0.4s;
}

.demo-yellow {
    background: var(--accent-color);
    animation-delay: 0.6s;
}

.score-demo,
.timer-demo {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    min-width: 200px;
}

.score-display,
.timer-display {
    text-align: center;
}

.score-label,
.timer-label {
    display: block;
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.score-value,
.timer-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.mechanic-visual img {
    width: 100%;
    max-width: 400px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Levels */
.levels {
    padding: 4rem 0;
}

.level-demo-container {
    margin-bottom: 4rem;
}

.level-demo-container h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--dark-color);
}

.level-demo {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.level-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.level-block {
    aspect-ratio: 1;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.level-block:hover {
    transform: scale(1.1);
    border-color: var(--dark-color);
}

.level-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.level-info {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.level-score,
.level-timer {
    font-weight: 600;
    color: var(--dark-color);
}

.levels-list h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--dark-color);
}

.levels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.level-category {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.level-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
}

.level-category img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.level-category h3 {
    padding: 1rem;
    color: var(--dark-color);
}

.level-category p {
    padding: 0 1rem 1rem;
    color: #666;
}

.level-stats {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    background: var(--light-color);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-color);
}

/* Tips */
.tips {
    padding: 4rem 0;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tip-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    position: relative;
    transition: var(--transition);
}

.tip-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
}

.tip-number {
    position: absolute;
    top: -15px;
    left: 20px;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.tip-card h3 {
    margin-top: 1rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

/* FAQ */
.faq {
    padding: 4rem 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--light-color);
}

.faq-question h3 {
    color: var(--dark-color);
    font-size: 1.1rem;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease;
    opacity: 0;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    opacity: 1;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: #666;
    line-height: 1.8;
}

/* Contact */
.contact {
    padding: 4rem 0;
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-info h2 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.contact-details {
    margin-top: 2rem;
}

.contact-item {
    margin-bottom: 1.5rem;
}

.contact-item h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

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

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
}

.contact-card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: white;
}

.contact-card h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.contact-card p {
    color: #666;
    line-height: 1.8;
}

.contact-card a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-card a:hover {
    text-decoration: underline;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 0.3rem;
}

/* Privacy */
.privacy {
    padding: 4rem 0;
}

.privacy-content {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.privacy-content h2 {
    color: var(--dark-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.privacy-content h2:first-child {
    margin-top: 0;
}

.privacy-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #666;
}

.consent-form-section {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 2px solid var(--light-color);
}

.consent-form-section h2 {
    margin-top: 0;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-nav {
    display: flex;
    gap: 1.5rem;
}

.footer-nav a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.footer-nav a:hover {
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        width: 100%;
        padding: 2rem;
        transition: var(--transition);
        box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        width: 100%;
    }

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

    .nav-toggle {
        display: flex;
    }

    .hero-content h2 {
        font-size: 1.8rem;
    }

    .mechanic-item {
        grid-template-columns: 1fr;
    }


    .level-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .footer .container {
        flex-direction: column;
    }
}