:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #0ea5e9;
    --accent-color: #f43f5e;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: rgba(26, 26, 46, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border-color: rgba(255, 255, 255, 0.1);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --gradient-secondary: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);
    --gradient-accent: linear-gradient(135deg, #f43f5e 0%, #ec4899 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

ul {
    list-style: none;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(15, 15, 26, 0.95);
    box-shadow: var(--shadow-md);
}

.security-banner {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.1) 0%, rgba(52, 211, 153, 0.1) 100%);
    border-bottom: 1px solid rgba(74, 222, 128, 0.3);
    padding: 12px 0;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    z-index: 999;
    backdrop-filter: blur(10px);
}

.security-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #4ade80;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
}

@media (max-width: 768px) {
    .security-content {
        flex-direction: column;
        gap: 8px;
        padding: 0 16px;
    }
    
    .security-content p {
        margin: 0;
    }
}

.security-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 8px 0;
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-btn {
    background: var(--gradient-primary);
    padding: 10px 24px !important;
    border-radius: var(--border-radius-xl);
    color: var(--text-primary) !important;
    font-weight: 600;
}

.nav-btn:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.nav-btn::after {
    display: none !important;
}

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

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 160px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary-color);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    bottom: -100px;
    left: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-color);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.05);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }
    75% {
        transform: translate(-30px, -20px) scale(1.02);
    }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    max-width: 600px;
}

.free-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(16, 185, 129, 0.1) 100%);
    border: 1px solid rgba(16, 185, 129, 0.4);
    padding: 10px 20px;
    border-radius: var(--border-radius-xl);
    margin-bottom: 24px;
    animation: pulse-glow 2s ease-in-out infinite;
}

.free-badge svg {
    width: 20px;
    height: 20px;
    color: var(--success-color);
}

.free-badge span {
    color: var(--success-color);
    font-size: 1rem;
    font-weight: 600;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }
    50% {
        box-shadow: 0 0 20px 5px rgba(16, 185, 129, 0.2);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--border-radius-xl);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
}

.btn svg {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-color);
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-light);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-screenshot {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 16/10;
}

.screenshot-placeholder {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.screenshot-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    pointer-events: none;
}

.placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    color: var(--text-muted);
    z-index: 1;
}

.placeholder-content svg {
    width: 64px;
    height: 64px;
    opacity: 0.5;
}

.placeholder-content span {
    font-size: 0.95rem;font-weight: 600;
}

.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.lightbox.show {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    text-align: center;
}

.lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: -10px;
    font-size: 30px;
    color: white;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.lightbox-close:hover {
    background: var(--primary-color);
    transform: scale(1.1);
}

.lightbox-caption {
    margin-top: 20px;
    color: white;
    font-size: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.placeholder-content img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    cursor: pointer;
    transition: transform var(--transition-normal);
}

.placeholder-content img:hover {
    transform: scale(1.05);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.875rem;
    animation: bounce 2s ease-in-out infinite;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

@keyframes scroll {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.5;
        transform: translateX(-50%) translateY(6px);
    }
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
    padding: 6px 16px;
    border-radius: var(--border-radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-section {
    padding: 120px 24px;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary-light);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.modules-section {
    padding: 120px 24px;
    background: var(--bg-secondary);
}

.module-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.tab-btn svg {
    width: 20px;
    height: 20px;
}

.tab-btn:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--text-primary);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

.module-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.module-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.module-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 24px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.feature-list svg {
    width: 20px;
    height: 20px;
    color: var(--success-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-list strong {
    color: var(--text-primary);
}

.module-screenshot .screenshot-placeholder {
    aspect-ratio: 16/10;
}

.settings-section {
    padding: 120px 24px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.settings-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.accordion-item:hover {
    border-color: var(--primary-color);
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.accordion-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.accordion-title svg {
    width: 24px;
    height: 24px;
    color: var(--primary-light);
}

.accordion-icon {
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    transition: transform var(--transition-normal);
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

.accordion-body {
    padding: 0 24px 24px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.accordion-body ul {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.accordion-body li {
    padding-left: 20px;
    position: relative;
}

.accordion-body li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
}

.position-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: 16px 0;
    max-width: 300px;
}

.pos-item {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
    padding: 8px;
    text-align: center;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
}

.pricing-section {
    padding: 120px 24px;
    background: var(--bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, var(--bg-card) 100%);
}

.pricing-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gradient-primary);
    color: var(--text-primary);
    padding: 6px 14px;
    border-radius: var(--border-radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header {
    padding: 32px 24px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.pricing-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price .currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-light);
}

.price .amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.price .period {
    font-size: 1rem;
    color: var(--text-muted);
}

.price-hint {
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 6px 12px;
    border-radius: var(--border-radius-xl);
    display: inline-block;
}

.pricing-body {
    padding: 24px;
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.pricing-features li svg {
    width: 20px;
    height: 20px;
    color: var(--success-color);
    flex-shrink: 0;
}

.pricing-features li.disabled {
    color: var(--text-muted);
}

.pricing-features li.disabled svg {
    color: var(--text-muted);
}

.pricing-btn {
    display: block;
    width: 100%;
    padding: 14px 24px;
    text-align: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.pricing-btn:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--primary-color);
}

.pricing-btn.primary {
    background: var(--gradient-primary);
    border-color: transparent;
}

.pricing-btn.primary:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.pricing-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--border-radius-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.pricing-note svg {
    width: 24px;
    height: 24px;
    color: var(--primary-light);
    flex-shrink: 0;
}

.pricing-tip {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--border-radius-lg);
    margin-top: 24px;
}

.tip-icon {
    width: 48px;
    height: 48px;
    background: rgba(16, 185, 129, 0.2);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tip-icon svg {
    width: 28px;
    height: 28px;
    color: var(--success-color);
}

.tip-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.tip-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.tip-content .highlight {
    color: var(--success-color);
    font-weight: 600;
}

.tip-content strong {
    color: var(--text-primary);
}

.vip-badge {
    display: inline-block;
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    color: white;
    padding: 4px 12px;
    border-radius: var(--border-radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 8px;
    vertical-align: middle;
}

.screenshots-section {
    padding: 120px 24px;
    background: var(--bg-primary);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.screenshot-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.screenshot-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.screenshot-card:first-child {
    grid-column: span 2;
}

.screenshot-card:first-child .screenshot-placeholder {
    aspect-ratio: 16/9;
}

.screenshot-placeholder.large {
    height: 300px;
}

.screenshot-card:not(:first-child) .screenshot-placeholder {
    aspect-ratio: 4/3;
}

.screenshot-info {
    padding: 20px;
}

.screenshot-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.screenshot-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.download-section {
    padding: 120px 24px;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    padding: 60px;
    position: relative;
    overflow: hidden;
}

.download-content::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.download-text {
    position: relative;
    z-index: 1;
}

.download-text h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.download-text p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 32px;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

.download-btn:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--primary-color);
    transform: translateX(8px);
}

.download-btn.coming-soon {
    opacity: 0.7;
    cursor: not-allowed;
}

.download-btn.coming-soon:hover {
    transform: none;
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.coming-soon-tag {
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    color: white;
    padding: 4px 10px;
    border-radius: var(--border-radius-xl);
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
}

.download-btn svg {
    width: 32px;
    height: 32px;
}

.download-btn.windows svg {
    color: #00adef;
}

.download-btn.macos svg {
    color: #a2aaad;
}

.download-btn.linux svg {
    color: #fcc624;
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.btn-platform {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.download-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    position: relative;
    z-index: 1;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--border-radius-md);
}

.feature-item svg {
    width: 24px;
    height: 24px;
    color: var(--success-color);
}

.feature-item span {
    font-weight: 500;
}

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 24px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column li {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.footer-column li > span {
    margin: 0 1px;
}

.footer-column li > svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.footer-column li > svg:not(.at-symbol) {
    margin-right: 8px;
}

.footer-column .at-symbol {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin: 0 0px;
    vertical-align: middle;
    display: inline-block;
}

.footer-column a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .module-screenshot {
        order: -1;
    }

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

    .screenshot-card:first-child {
        grid-column: span 1;
    }

    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .download-buttons {
        align-items: center;
    }

    .download-btn:hover {
        transform: translateY(-4px);
    }

    .download-features {
        justify-items: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-column li {
        justify-content: center;
    }

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

    .pricing-card.featured {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border-color);
    }

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

    .mobile-menu-btn {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .module-tabs {
        flex-direction: column;
        align-items: center;
    }

    .tab-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

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

    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 16px 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

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

    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-item {
        align-items: center;
    }

    .download-content {
        padding: 30px 20px;
    }

    .download-text h2 {
        font-size: 1.75rem;
    }
}