@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800&display=swap');

:root {
    --bg-color: #050505;
    --surface-color: #121212;
    --surface-accent: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --primary: #7c4dff;
    --primary-glow: rgba(124, 77, 255, 0.4);
    --accent: #00e5ff;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: transparent;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Fondo de Estrellas */
#starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -10;
    background: radial-gradient(circle at top center, #1a1a2e 0%, var(--bg-color) 80%);
    pointer-events: none;
    overflow: hidden;
}

.star {
    position: absolute;
    background-color: #fff;
    border-radius: 50%;
    animation: twinkle infinite alternate ease-in-out;
}

@keyframes twinkle {
    0% {
        opacity: 0.1;
        transform: scale(0.5) translate(0, 0);
        box-shadow: 0 0 2px rgba(255, 255, 255, 0.1);
    }
    100% {
        opacity: 1;
        transform: scale(1.5) translate(var(--tx, 15px), var(--ty, 15px));
        box-shadow: 0 0 8px #fff, 0 0 15px var(--accent);
    }
}

/* Efecto Cometa Halley */
.comet {
    position: fixed;
    top: 0;
    left: 0;
    width: 3px;
    height: 3px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 0 8px 2px #fff, 0 0 15px 4px var(--accent), 0 0 25px 6px var(--primary);
    z-index: 9999;
    pointer-events: none;
    animation: shootingStar linear forwards;
}

.comet::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 50%; /* Cola hacia la izquierda de la cabeza */
    width: 150px;
    height: 2px;
    background: linear-gradient(to left, rgba(255,255,255,0.9), rgba(0, 229, 255, 0.4), transparent);
    transform: translateY(-50%);
    border-radius: 2px;
}

@keyframes shootingStar {
    0% {
        transform: translate(var(--startX), var(--startY)) rotate(var(--angle)) scale(0);
        opacity: 0;
    }
    5% {
        opacity: 1;
        transform: translate(calc(var(--startX) + var(--moveX) * 0.05), calc(var(--startY) + var(--moveY) * 0.05)) rotate(var(--angle)) scale(1);
    }
    95% {
        opacity: 1;
        transform: translate(calc(var(--startX) + var(--moveX) * 0.95), calc(var(--startY) + var(--moveY) * 0.95)) rotate(var(--angle)) scale(1);
    }
    100% {
        transform: translate(calc(var(--startX) + var(--moveX)), calc(var(--startY) + var(--moveY))) rotate(var(--angle)) scale(0);
        opacity: 0;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: var(--surface-accent);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

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

section {
    padding: 80px 0;
}

h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    text-align: center;
    background: linear-gradient(to right, #fff, #a0a0a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--text-primary);
    text-decoration: none;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

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

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

.cta-btn {
    background: var(--primary);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 100px;
    padding-bottom: 60px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(124, 77, 255, 0.15) 0%, transparent 50%),
                linear-gradient(to bottom, transparent 60%, rgba(5, 5, 5, 0.4) 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.hero h1 span {
    background: linear-gradient(to right, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-image {
    position: absolute;
    right: -100px;
    top: 55%;
    transform: translateY(-50%);
    width: 50%;
    z-index: 1;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-border);
}

/* Channel Grid */
.categories-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.cat-chip {
    padding: 0.6rem 1.5rem;
    background: var(--surface-color);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.cat-chip:hover, .cat-chip.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.channel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
}

.channel-card {
    background: var(--surface-color);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.channel-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    background: var(--surface-accent);
}

.channel-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.channel-card:hover::after {
    transform: scaleX(1);
}

.chan-logo {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    display: block;
}

.chan-name {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.plan-card {
    background: var(--surface-color);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
    transition: var(--transition);
}

.plan-card:hover {
    transform: scale(1.02);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.plan-card.featured {
    border: 2px solid var(--primary);
    background: linear-gradient(145deg, var(--surface-color) 0%, #1a1a1a 100%);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.plan-price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 2rem;
}

.plan-price span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.plan-features {
    list-style: none;
    margin-bottom: 3rem;
    text-align: left;
}

.plan-features li {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.plan-features li::before {
    content: '✓';
    color: var(--accent);
    margin-right: 1rem;
    font-weight: 800;
}

/* Footer */
footer {
    padding: 60px 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.footer-logo {
    margin-bottom: 2rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    list-style: none;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
}

.copyright {
    color: #555;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-image {
        display: none;
    }
    .hero-content {
        max-width: 100%;
        text-align: center;
    }
    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-content { flex-direction: column; gap: 15px; text-align: center; }
    .nav-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; }
    .logo { font-size: 1.3rem; }
    .hero { min-height: auto; padding: 120px 0 60px 0; }
    .hero h1 { font-size: 2.5rem; }
    .channel-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 1rem; }
    .plans-grid { grid-template-columns: 1fr; }
}