:root {
    --primary-color: #ff3366;
    --secondary-color: #00ff99;
    --dark-bg: #0a0a0a;
    --darker-bg: #050505;
    --card-bg: #1a1a1a;
    --text-light: #ffffff;
    --text-gray: #a0a0a0;
    --accent-yellow: #ffcc00;
    --border-color: #333333;
}

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

body {
    font-family: 'Space Mono', monospace;
    background: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Grain Overlay Effect */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255, 255, 255, 0.03) 2px, rgba(255, 255, 255, 0.03) 4px);
    pointer-events: none;
    z-index: 9999;
    opacity: 0.5;
}

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

/* Platform Navigation */
.platform-nav {
    background: var(--card-bg);
    padding: 15px 20px;
    border-bottom: 3px solid var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(26, 26, 26, 0.95);
}

.nav-content {
    display: flex;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.site-title-nav {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    letter-spacing: 0.05em;
    line-height: 1;
    margin: 0;
    white-space: nowrap;
    flex-shrink: 0;
}

.site-title-nav .title-line {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 20px;
    color: var(--secondary-color);
    letter-spacing: 0.15em;
}

.platform-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    flex: 1;
    justify-content: flex-start;
}

.platform-btn {
    background: var(--darker-bg);
    border: 2px solid var(--border-color);
    color: var(--text-light);
    padding: 8px 15px;
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.platform-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 51, 102, 0.3), transparent);
    transition: left 0.5s ease;
}

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

.platform-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(255, 51, 102, 0.3);
}

.platform-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 30px rgba(255, 51, 102, 0.5);
}

.platform-icon {
    font-size: 1.1rem;
}

.platform-name {
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: bold;
}

/* Homepage Styles */
.page-header {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 20px;
}

.page-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--secondary-color);
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.page-description {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.platform-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 60px;
}

.platform-card-large {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.platform-card-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 51, 102, 0.1), transparent);
    transition: left 0.5s ease;
}

.platform-card-large:hover::before {
    left: 100%;
}

.platform-card-large:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 51, 102, 0.3);
}

.card-link {
    display: block;
    padding: 30px;
    text-decoration: none;
    color: var(--text-light);
    position: relative;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.card-link h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
    letter-spacing: 0.1em;
}

.card-link p {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 15px;
}

.card-arrow {
    position: absolute;
    bottom: 20px;
    right: 20px;
    font-size: 2rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.platform-card-large:hover .card-arrow {
    transform: translateX(5px);
}

.faq-section {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 2px solid var(--border-color);
}

.faq-section h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.5rem;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 40px;
    letter-spacing: 0.1em;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.faq-item {
    background: var(--darker-bg);
    border: 2px solid var(--border-color);
    padding: 25px;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 0 20px rgba(0, 255, 153, 0.2);
}

.faq-item h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
    letter-spacing: 0.05em;
}

.faq-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

.title-link {
    text-decoration: none;
    color: inherit;
}

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

/* Content Area */
.content-area {
    padding: 60px 20px 80px;
    min-height: 60vh;
}

.platform-content {
    display: none;
    animation: contentFade 0.5s ease-out;
}

.platform-content.active {
    display: block;
}

@keyframes contentFade {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Method Cards */
.method-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-left: 5px solid var(--primary-color);
    padding: 30px;
    margin-bottom: 30px;
    position: relative;
    transition: all 0.3s ease;
}

.method-card:hover {
    border-left-width: 8px;
    transform: translateX(5px);
    box-shadow: -5px 5px 30px rgba(255, 51, 102, 0.2);
}

.method-number {
    position: absolute;
    top: -15px;
    left: 20px;
    background: var(--primary-color);
    color: var(--dark-bg);
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.5rem;
    padding: 5px 15px;
    font-weight: bold;
    letter-spacing: 0.1em;
}

.method-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--secondary-color);
    letter-spacing: 0.1em;
}

/* Instruction Flow */
.instruction-flow {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    min-width: 120px;
}

.step-action {
    font-size: 0.8rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.key-badge {
    background: var(--dark-bg);
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    padding: 10px 20px;
    font-weight: bold;
    font-size: 0.95rem;
    text-align: center;
    min-width: 100px;
    box-shadow: 0 0 15px rgba(0, 255, 153, 0.3);
    transition: all 0.3s ease;
}

.method-card:hover .key-badge {
    transform: scale(1.05);
    box-shadow: 0 0 25px rgba(0, 255, 153, 0.5);
}

.arrow {
    color: var(--accent-yellow);
    font-size: 1.5rem;
    font-weight: bold;
}

.result-text {
    font-size: 0.9rem;
    text-align: center;
    color: var(--text-gray);
    line-height: 1.4;
}

/* Info Cards */
.info-card {
    background: var(--darker-bg);
    border: 2px solid var(--border-color);
    padding: 25px;
    margin-bottom: 25px;
    transition: all 0.3s ease;
}

.info-card:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 0 25px rgba(0, 255, 153, 0.2);
}

.info-card.highlight {
    border-left: 5px solid var(--accent-yellow);
    background: linear-gradient(135deg, var(--darker-bg) 0%, rgba(255, 204, 0, 0.05) 100%);
}

.info-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
    letter-spacing: 0.1em;
}

.info-card p {
    margin-bottom: 15px;
    color: var(--text-gray);
}

.info-card ul {
    list-style: none;
    padding-left: 0;
}

.info-card li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-gray);
}

.info-card li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.info-card strong {
    color: var(--text-light);
}

/* Footer */
.main-footer {
    background: var(--darker-bg);
    border-top: 3px solid var(--primary-color);
    padding: 50px 20px 30px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
    letter-spacing: 0.1em;
}

.footer-section p {
    color: var(--text-gray);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: var(--text-gray);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.footer-section a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-section a:hover::after {
    width: 100%;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .site-title {
        font-size: 2rem;
        gap: 8px;
    }
    
    .nav-content {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .site-title-nav {
        font-size: 1.5rem;
    }
    
    .platform-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        width: 100%;
    }
    
    .instruction-flow {
        flex-direction: column;
        align-items: stretch;
    }
    
    .arrow {
        transform: rotate(90deg);
    }
    
    .step {
        min-width: auto;
        width: 100%;
    }
    
    .method-card {
        padding: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .platform-grid {
        grid-template-columns: 1fr;
    }
    
    .platform-nav {
        padding: 12px 15px;
    }
    
    .content-area {
        padding: 40px 15px;
    }
}

/* Scroll Animation */
.method-card,
.info-card {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.6s ease-out forwards;
}

.method-card:nth-child(1) { animation-delay: 0.1s; }
.method-card:nth-child(2) { animation-delay: 0.2s; }
.method-card:nth-child(3) { animation-delay: 0.3s; }
.info-card { animation-delay: 0.4s; }

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}