/* Reset y Variables */
:root {
    --primary: #667eea;
    --primary-dark: #5568d3;
    --secondary: #764ba2;
    --accent: #f093fb;
    --dark: #1a1a2e;
    --dark-light: #16213e;
    --text: #e4e4e7;
    --text-muted: #a1a1aa;
    --border: #27272a;
    --success: #10b981;
    --radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
}

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Language Selector */
.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
    font-size: 14px;
}

.lang-btn:hover {
    background: rgba(102, 126, 234, 0.2);
    border-color: var(--primary);
}

.lang-btn svg {
    stroke-width: 2;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--dark-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px;
    min-width: 180px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 1001;
}

.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    width: 100%;
    padding: 10px 12px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-muted);
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    font-weight: 500;
}

.lang-option:hover {
    background: rgba(102, 126, 234, 0.1);
    color: var(--text);
}

.lang-option.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-large {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

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

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

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.1);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: radial-gradient(ellipse at top, rgba(102, 126, 234, 0.15), transparent 50%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(102,126,234,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
    padding: 60px 24px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.8;
}

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

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

/* Screenshot Placeholders */
.screenshot-placeholder {
    background: linear-gradient(135deg, var(--dark-light), var(--border));
    border-radius: var(--radius);
    border: 2px solid var(--border);
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.screenshot-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    to {
        left: 100%;
    }
}

.placeholder-content {
    text-align: center;
    color: var(--text-muted);
    z-index: 1;
}

.placeholder-content svg {
    stroke-width: 1.5;
    margin-bottom: 16px;
    opacity: 0.5;
}

.placeholder-content p {
    font-size: 14px;
}

.screenshot-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.main-screenshot {
    box-shadow: var(--shadow-lg);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s;
}

.main-screenshot:hover {
    transform: perspective(1000px) rotateY(0deg);
}

/* Features Section */
.features {
    padding: 120px 0;
    background: var(--dark);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--dark-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon svg {
    stroke-width: 2;
    color: white;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.8;
}

/* Screenshots Section */
.screenshots {
    padding: 120px 0;
    background: var(--dark-light);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.screenshot-item {
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.3s;
}

.screenshot-item:hover {
    transform: scale(1.05);
}

/* Premium Section */
.premium {
    padding: 120px 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
}

.premium-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.premium-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.premium-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 24px;
}

.premium-description {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
}

.premium-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.premium-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
}

.premium-feature svg {
    color: var(--success);
    stroke-width: 3;
    flex-shrink: 0;
}

.premium-pricing {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 32px;
}

.price {
    display: flex;
    flex-direction: column;
}

.price-amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
}

.price-period {
    font-size: 14px;
    color: var(--text-muted);
}

.trial-badge {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    padding: 12px 20px;
    border-radius: var(--radius);
    font-weight: 600;
}

.premium-screenshot {
    aspect-ratio: 4/3;
}

/* Setup Section */
.setup {
    padding: 120px 0;
    background: var(--dark);
}

.setup-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.step {
    display: flex;
    gap: 24px;
}

.step-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.step-content p {
    color: var(--text-muted);
    line-height: 1.8;
}

.setup-visual {
    max-width: 600px;
    margin: 0 auto;
}

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

/* FAQ Section */
.faq {
    padding: 120px 0;
    background: var(--dark-light);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.faq-item {
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.faq-item h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--primary);
}

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

/* Download Section */
.download {
    padding: 120px 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    text-align: center;
}

.download-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.download-subtitle {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 48px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 32px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--dark-light);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 32px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.3s;
}

.download-btn:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.download-btn svg {
    width: 48px;
    height: 48px;
}

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

.btn-label {
    font-size: 12px;
    color: var(--text-muted);
}

.btn-store {
    font-size: 20px;
    font-weight: 700;
}

.download-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 14px;
}

/* Footer */
.footer {
    background: var(--dark-light);
    border-top: 1px solid var(--border);
    padding: 80px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 80px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 16px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    margin-bottom: 16px;
    font-size: 16px;
}

.footer-column a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 14px;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content,
    .premium-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 42px;
    }

    .premium-title,
    .section-title,
    .download-title {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .hero-stats {
        gap: 24px;
    }

    .features-grid,
    .screenshots-grid,
    .setup-steps,
    .faq-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .section-title,
    .premium-title,
    .download-title {
        font-size: 28px;
    }

    .container {
        padding: 0 16px;
    }
}