:root {
    /* Colors Premium Streaming */
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --primary: #0078D4; /* Celeste/Blue */
    --primary-hover: #005A9E;
    --accent: #00B4FF; /* Light blue accent */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --wa-color: #25D366;
    
    /* Fonts */
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--accent), #00d2ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-center { text-align: center; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Glassmorphism utility */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 1.5rem;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
}

.btn-block {
    display: block;
    width: 100%;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.glow-effect {
    box-shadow: 0 0 15px rgba(0, 120, 212, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 1px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
}

.btn-text {
    background: transparent;
    color: var(--text-muted);
    text-decoration: underline;
    font-size: 0.875rem;
    padding: 0.5rem;
}

.btn-text:hover {
    color: white;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: blur(5px) brightness(0.6);
    transform: scale(1.05); /* Prevents blur bleeding edges */
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(5,5,8,0.3) 0%, rgba(10,10,15,1) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 1;
}

.brand-logo {
    max-width: 250px;
    margin-bottom: 2rem;
    filter: drop-shadow(0 0 20px rgba(255,255,255,0.2));
    mix-blend-mode: screen; /* Fallback until JS processes the image */
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

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

.trial-note {
    font-size: 0.875rem;
    color: var(--text-muted);
    opacity: 0.8;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.7;
    animation: bounce 2s infinite;
}

.mouse {
    width: 24px;
    height: 36px;
    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: 4px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { top: 4px; opacity: 1; }
    100% { top: 20px; opacity: 0; }
}
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-10px) translateX(-50%); }
    60% { transform: translateY(-5px) translateX(-50%); }
}

/* Sections */
section {
    padding: 6rem 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

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

.feature-card {
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.ui-showcase {
    margin-top: 4rem;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.ui-mockup {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
}

.shadow-glow {
    box-shadow: 0 0 50px rgba(0, 180, 255, 0.2);
}

/* Pricing */
.pricing {
    background: var(--bg-darker);
    position: relative;
}

.device-toggle-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.toggle-label {
    font-weight: 600;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.toggle-label.active {
    color: var(--text-main);
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--text-muted);
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Pricing Cards */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    align-items: center; /* so popular can pop out */
}

.price-card {
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    position: relative;
}

.price-card.popular {
    transform: scale(1.05);
    border: 2px solid var(--accent);
    box-shadow: 0 0 30px rgba(0, 180, 255, 0.2);
    z-index: 2;
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #0078D4, #00B4FF);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 1px;
}

.plan-name {
    font-size: 1.25rem;
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.promo-text {
    color: #00B4FF;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.plan-price {
    font-size: 3rem;
    font-weight: 800;
    font-family: var(--font-heading);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
}

.currency {
    font-size: 1.5rem;
    margin-top: 0.5rem;
    margin-right: 2px;
}

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.plan-features li {
    margin-bottom: 1rem;
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.plan-features .check {
    color: var(--primary);
    font-weight: bold;
}

/* Global Reach & Flag Carousel */
.global-reach {
    background: linear-gradient(135deg, rgba(0, 120, 212, 0.1), rgba(0, 180, 255, 0.1));
    padding: 6rem 0;
    overflow: hidden;
}

.flag-carousel-container {
    margin-top: 3rem;
    position: relative;
    width: 100%;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.flag-track {
    display: flex;
    gap: 3rem;
    width: max-content;
    animation: scroll-flags 40s linear infinite;
}

.flag-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    min-width: 100px;
}

.flag-item img {
    width: 60px;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.flag-item span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

@keyframes scroll-flags {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-50% - 1.5rem)); } /* Half track + half gap */
}

/* UI Carousel */
.ui-showcase {
    position: relative;
    max-width: 1000px;
    margin: 4rem auto 0;
}

.ui-carousel {
    position: relative;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 0 50px rgba(0, 180, 255, 0.2);
}

.ui-carousel-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain; /* Para no cortar los detalles de la interfaz */
    background: #000;    /* Fondo negro por si la imagen no llena todo el espacio */
    opacity: 0;
    transition: opacity 1s ease-in-out;
    border-radius: 20px;
}

.ui-carousel-img.active {
    opacity: 1;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 1.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--glass-border);
    cursor: pointer;
    transition: background 0.3s;
}

.dot.active {
    background: var(--primary);
    box-shadow: 0 0 10px var(--primary);
}

@media (max-width: 768px) {
    .ui-carousel {
        height: 300px;
    }
}


/* Footer */
.footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-logo {
    max-width: 150px;
    margin-bottom: 1rem;
    filter: grayscale(1) opacity(0.5);
    transition: filter 0.3s;
}

.footer-logo:hover {
    filter: grayscale(0) opacity(1);
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Float WhatsApp */
.float-wa {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--wa-color);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
    z-index: 100;
    transition: transform 0.3s, box-shadow 0.3s;
    animation: float 3s ease-in-out infinite;
}

.float-wa:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.5);
}

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



/* Animations Scroll Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* CSS Animations for Hero */
.animate-fade-in { animation: fadeIn 1s ease forwards; }
.animate-slide-up { animation: slideUp 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards; opacity: 0; }
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* Responsive */
@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .price-card.popular {
        transform: scale(1); /* No scale on mobile to avoid horizontal overflow */
    }
    
    .hero {
        padding: 6rem 0 4rem;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
    }
}