/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a73e8;
    --secondary-color: #34a853;
    --accent-color: #ea4335;
    --text-color: #202124;
    --text-light: #5f6368;
    --bg-color: #ffffff;
    --bg-alt: #f8f9fa;
    --border-color: #dadce0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color), #4285f4);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    gap: 4px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s;
}

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

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
    padding: 0.5rem;
}

.nav-link:hover {
    opacity: 0.8;
}

.nav-link.active {
    border-bottom: 2px solid white;
    opacity: 1;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), #4285f4);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.hero-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

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

/* Buttons */
.btn {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-play {
    background: linear-gradient(180deg, #ffd700 0%, #ff8c00 100%);
    color: #1a1a1a;
    font-size: 1.25rem;
    padding: 1rem 2.5rem;
    box-shadow: 0 4px 20px rgba(255, 140, 0, 0.5);
    border: 2px solid #fff;
    font-weight: 800;
    letter-spacing: 0.1em;
}

.btn-play:hover {
    background: linear-gradient(180deg, #ffe44d 0%, #ffa500 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 25px rgba(255, 215, 0, 0.6);
}

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

.btn-primary:hover {
    background: #2d8f47;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Sections */
.section {
    padding: 3rem 0;
}

.section-alt {
    background-color: var(--bg-alt);
}

.section-title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-weight: 700;
}

.section-text {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

.section-text a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.3s;
}

.section-text a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Steps List */
.steps-list {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.steps-list li {
    margin-bottom: 1rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* Advantages */
.advantages {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    margin: 2rem 0;
    box-shadow: var(--shadow);
}

.advantages h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.advantages-list {
    list-style: none;
    padding-left: 0;
}

.advantages-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.advantages-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Strategies */
.strategies {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.strategy-item {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow);
}

.strategy-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.strategy-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Bonuses Grid */
.bonuses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.bonus-card {
    background: linear-gradient(135deg, var(--primary-color), #4285f4);
    color: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.bonus-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.bonus-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.bonus-card p {
    opacity: 0.9;
    font-size: 0.9rem;
}

/* Safety Features */
.safety-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.safety-item {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

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

.safety-item p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.support-features {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    margin: 2rem 0;
    box-shadow: var(--shadow);
}

.support-features h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.support-list {
    list-style: none;
    padding-left: 0;
}

.support-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.support-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.5rem;
    line-height: 1;
}

/* FAQ */
.faq-list {
    margin: 2rem 0;
}

.faq-item {
    background: white;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.faq-question:hover {
    background: var(--bg-alt);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s;
    font-weight: 300;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

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

.faq-question[aria-expanded="true"] + .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
}

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

.footer p {
    margin-bottom: 0.5rem;
}

.footer-warning {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-color);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        padding: 0.75rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .features,
    .strategies,
    .bonuses-grid,
    .safety-features {
        grid-template-columns: 1fr;
    }

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

    .btn {
        width: 100%;
    }
}

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

    .hero {
        padding: 2rem 0;
    }

    .section {
        padding: 2rem 0;
    }

    .hero-title {
        font-size: 1.25rem;
    }
}

/* Performance Optimizations */
img {
    max-width: 100%;
    height: auto;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus Styles for Accessibility */
button:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}