:root {
    --bg-dark: #020610;
    /* Deep navy almost black */
    --bg-card: rgba(10, 25, 47, 0.6);
    --accent-cyan: #00f0ff;
    --accent-teal: #00d2d3;
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --border-glow: rgba(0, 240, 255, 0.3);
    --glass-border: rgba(255, 255, 255, 0.08);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-slow: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

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

/* Typography */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #fff;
}

.text-accent {
    color: var(--accent-cyan);
}

/* Hero Section */
.hero {
    position: relative;
    height: 80vh;
    /* Mobile first, nice tall hero */
    min-height: 500px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.video-bg iframe {
    width: 100vw;
    height: 56.25vw;
    /* 16:9 aspect ratio */
    min-height: 100vh;
    min-width: 177.77vh;
    /* Make sure it covers */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.6;
    /* Darken for legibility */
}

/* Overlay gradient on top of video */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(2, 6, 16, 0.3), var(--bg-dark));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 2rem;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.badge {
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--border-glow);
    color: var(--accent-cyan);
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    backdrop-filter: blur(4px);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.client-logo {
    width: 180px;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.2));
    margin: 1rem 0;
}

.hero-title {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
}

.hero-subtitle {
    font-size: 1.5rem;
    background: linear-gradient(90deg, #fff, var(--text-muted));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Main Container */
.container {
    max-width: 800px;
    margin: -50px auto 0;
    /* Overlap hero slightly */
    padding: 0 1.5rem 4rem;
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Cards & Accordions */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.card:hover {
    /* Subtle hover effect mostly for desktop, ok on mobile */
    border-color: rgba(255, 255, 255, 0.2);
}

/* Accordion Specifics */
.accordion-header {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.accordion-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.accordion-title::before {
    content: '';
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(0, 240, 255, 0.2); /* Default APAGADO */
    box-shadow: none;
    transition: all 0.3s ease;
}

.accordion-item.open > .accordion-header .accordion-title::before {
    background: var(--accent-teal); /* ENCENDIDO */
    box-shadow: 0 0 10px var(--accent-teal), 0 0 20px var(--accent-teal);
}

.accordion-icon {
    transition: transform var(--transition-slow);
    color: var(--accent-cyan);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
    background: rgba(0, 0, 0, 0.2);
}

/* .accordion-content.open max-height set via JS for smoothness */

.content-inner {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.content-inner p {
    margin-bottom: 1rem;
}

.content-inner ul {
    list-style: none;
    padding-left: 0;
}

.content-inner li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.content-inner li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: bold;
}

/* Highlighted Special Cards */
.card-highlight {
    background: rgba(0, 240, 255, 0.05);
    border: 1px solid var(--border-glow);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.1);
}

.investment-summary {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 2rem;
    text-align: center;
}

.price-main {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.price-sub {
    font-size: 1rem;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Detailed Prices */
.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.price-row:last-child {
    border-bottom: none;
}

.price-row .label {
    font-weight: 600;
    color: #fff;
}

.price-row .amount {
    color: var(--accent-cyan);
    font-weight: 700;
}

/* Payment Card */
.payment-info {
    display: grid;
    gap: 1rem;
}

.payment-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem;
    border-radius: 8px;
}

.payment-icon {
    font-size: 1.5rem;
    color: var(--accent-cyan);
}

.payment-details {
    display: flex;
    flex-direction: column;
}

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

.payment-value {
    color: #fff;
    font-weight: 600;
    font-family: var(--font-heading);
}

/* Footer & Countdown */
.footer {
    text-align: center;
    padding: 3rem 1.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.countdown-card {
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.timer-block {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timer-number {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    font-family: var(--font-heading);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.timer-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--accent-cyan);
}

/* Utilities */
.hidden {
    display: none;
}

.mt-4 {
    margin-top: 1rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

/* Animations */
@keyframes pulse-glow {

    0%,
    100% {
        box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
    }

    50% {
        box-shadow: 0 0 25px rgba(0, 240, 255, 0.4);
    }
}

.glow-animate {
    animation: pulse-glow 3s infinite ease-in-out;
}

/* Brands Carousel */
.brands-section {
    margin-top: 2rem;
    overflow: hidden;
    padding: 1rem 0;
    position: relative;
}

.brands-title {
    text-align: center;
    font-size: 0.8rem;
    letter-spacing: 0.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.brands-track {
    display: flex;
    width: calc(250px * 14);
    /* 7 brands * 2 for loop */
    animation: scroll 40s linear infinite;
    gap: 1.5rem;
    padding: 0.5rem;
}

.brands-track:hover {
    animation-play-state: paused;
}

.brand-card {
    width: 200px;
    height: 120px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.brand-card:hover {
    background: rgba(0, 240, 255, 0.05);
    border-color: var(--accent-cyan);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 240, 255, 0.1);
}

.brand-card img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(1) brightness(1.5);
    transition: all 0.3s ease;
    opacity: 0.7;
}

.brand-card:hover img {
    filter: grayscale(0) brightness(1);
    opacity: 1;
    transform: scale(1.05);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(-200px * 7 - 1.5rem * 7));
    }
}

/* Mobile adjustments for carousel if needed */
@media (max-width: 600px) {
    .brand-card {
        width: 160px;
        height: 100px;
    }

    @keyframes scroll {
        0% {
            transform: translateX(0);
        }

        100% {
            transform: translateX(calc(-160px * 7 - 1.5rem * 7));
        }
    }
}