:root {
    --bg-primary: #0a0a14;
    --bg-secondary: #151522;
    --bg-card: rgba(20, 20, 35, 0.8);
    --text-primary: #e0e0ff;
    --text-secondary: #a0a0cc;
    --accent-cyan: #00f0ff;
    --accent-pink: #ff00c8;
    --accent-blue: #00a8ff;
    --accent-green: #25D366;
    --border-color: rgba(0, 240, 255, 0.2);
    --gradient-neon: linear-gradient(135deg, var(--accent-cyan), var(--accent-pink));
    --gradient-subtle: linear-gradient(135deg, #151522, #0a0a14);
}

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

body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--text-primary);
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--gradient-neon);
    border-radius: 2px;
}

h3 {
    font-size: 1.5rem;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 5rem 0;
    background: transparent !important;
}

.text-center { text-align: center; }

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 20, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-logo {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--accent-cyan);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.nav-link:hover { color: var(--accent-cyan); }

.nav-cta {
    background: var(--gradient-neon);
    color: var(--bg-primary) !important;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 240, 255, 0.3);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.8rem;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.video-showcase-container {
    max-width: 100%;
    margin: 2rem auto;
    border-radius: 16px;
    padding: 4px;
    background: var(--gradient-neon);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
    position: relative;
    transition: transform 0.3s ease;
}

.video-showcase-container:hover { transform: scale(1.02); }

.hero-video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    background: var(--bg-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .container { padding: 0 1rem; }
    section { padding: 3rem 0; }
    .mobile-menu-btn { display: block !important; }
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 20, 0.98);
        backdrop-filter: blur(15px);
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
        padding: 1.5rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        z-index: 999;
    }
    .nav-links.active { display: flex; }
    .nav-links a {
        margin: 0.75rem 0;
        text-align: center;
        width: 100%;
        padding: 0.75rem;
        border-bottom: 1px solid rgba(0, 240, 255, 0.1);
    }
    .nav-links a:last-child { border-bottom: none; }
    .hero { padding-top: 5rem; }
    .countdown { gap: 0.5rem; }
    .countdown-unit { min-width: 60px; padding: 0.75rem; }
    .countdown-number { font-size: 1.5rem; }
    .payment-container { padding: 2rem 1rem; }
    .whatsapp-float { bottom: 1rem; left: 1rem; width: 50px; height: 50px; }
}

#features { background: transparent !important; }

.download-offer-btn {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.8rem 2rem;
    background: var(--gradient-neon);
    color: var(--bg-primary);
    font-weight: 600;
    font-size: 1.2rem;
    text-decoration: none;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.download-offer-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 240, 255, 0.4);
}

.countdown { display: flex; justify-content: center; gap: 1rem; margin: 2rem 0; }

.countdown-unit {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    min-width: 80px;
    text-align: center;
}

.countdown-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
}

.countdown-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.1);
}

.feature-icon { font-size: 2rem; margin-bottom: 1rem; color: var(--accent-cyan); }

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

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-answer { padding: 0 1.5rem 1.5rem; color: var(--text-secondary); display: none; }

.faq-item.active .faq-answer { display: block; }

.payment-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
    max-width: 600px;
    margin: 3rem auto;
}

.payment-info { color: var(--text-secondary); font-size: 0.9rem; margin-top: 1rem; }

footer {
    background: var(--bg-secondary);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
}

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

.footer-links { display: flex; flex-direction: column; gap: 0.5rem; }

.footer-link { color: var(--text-secondary); text-decoration: none; transition: color 0.3s ease; }

.footer-link:hover { color: var(--accent-cyan); }

.copyright {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-green), #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
}

.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6); }

.whatsapp-float svg { width: 28px; height: 28px; }

#particles-js { position: fixed; width: 100%; height: 100%; top: 0; left: 0; z-index: -1; pointer-events: none; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-in { animation: fadeInUp 0.6s ease forwards; }

.promo-banner {
    background: rgba(15, 15, 30, 0.6);
    border: 1px solid var(--accent-pink);
    border-radius: 12px;
    padding: 2.5rem;
    margin: 3rem auto;
    max-width: 900px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.promo-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-neon);
}

.promo-title { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 1rem; color: white; }

.promo-price { font-size: 1.5rem; margin: 1rem 0; }

.original-price { text-decoration: line-through; color: var(--text-secondary); margin-right: 1rem; }

.discount-price { color: #ffcc00; font-weight: 700; font-size: 1.8rem; }

.update-banner {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: rgba(0, 240, 255, 0.05);
    border: 1px solid rgba(0, 240, 255, 0.3);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    animation: bannerGlow 3s infinite alternate;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.update-banner:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.update-badge {
    background: var(--gradient-neon);
    color: var(--bg-primary);
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.update-text { color: var(--text-primary); font-size: 0.95rem; font-weight: 500; }

.update-link { color: var(--accent-cyan); font-weight: 700; display: flex; align-items: center; gap: 0.4rem; }

@keyframes bannerGlow {
    0% { border-color: rgba(0, 240, 255, 0.2); box-shadow: 0 0 5px rgba(0, 240, 255, 0.1); }
    100% { border-color: rgba(0, 240, 255, 0.5); box-shadow: 0 0 15px rgba(0, 240, 255, 0.3); }
}

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active { display: flex; align-items: center; justify-content: center; opacity: 1; }

.modal-content {
    background: var(--bg-primary);
    width: 90%;
    max-width: 650px;
    height: 85vh;
    border-radius: 16px;
    border: 1px solid var(--accent-cyan);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
    position: relative;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.active .modal-content { transform: scale(1); }

.modal-close-top {
    position: absolute;
    top: 15px;
    right: 20px;
    color: var(--text-primary);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
    transition: color 0.3s;
}

.modal-close-top:hover { color: var(--accent-pink); }

.modal-iframe { width: 100%; height: 100%; border: none; }

/* Hero actions & Buttons */
.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin: 2rem 0 3.5rem;
    position: relative;
    z-index: 10;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.9rem 2.2rem;
    border-radius: 99px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--gradient-neon);
    color: #0a0a14 !important;
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 0, 200, 0.5);
    color: #ffffff !important;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-primary) !important;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 240, 255, 0.2);
}