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

:root {
    --azul-profundo: #0A0F2C;
    --cian-electrico: #00E0FF;
    --gris-metalico: #7A7F8C;
    --blanco: #FFFFFF;
    --negro-carbon: #0D0D0D;
    --violeta-tech: #6B46FF;
}

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

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 15, 44, 0.85);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 224, 255, 0.2);
    transition: all 0.3s ease;
}

header.scrolled {
    background: rgba(10, 15, 44, 0.98);
    box-shadow: 0 10px 40px rgba(0, 224, 255, 0.1);
    padding: 5px 0;
}

nav {
    max-width: 1600px;
    margin: 0 auto;
    padding: 25px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: padding 0.3s ease;
}

header.scrolled nav {
    padding: 15px 60px;
}

.logo {
    font-family: 'Exo 2', sans-serif;
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 3px;
    color: var(--blanco);
    display: flex;
    align-items: center;
    gap: 5px;
    text-decoration: none;
}

.logo-x {
    color: var(--cian-electrico);
    position: relative;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
    filter: drop-shadow(0 0 10px var(--cian-electrico));
}

@keyframes pulse {
    0%, 100% { 
        text-shadow: 0 0 10px var(--cian-electrico);
        transform: scale(1);
    }
    50% { 
        text-shadow: 0 0 30px var(--cian-electrico), 0 0 40px var(--cian-electrico);
        transform: scale(1.05);
    }
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    z-index: 1001;
}

.menu-toggle span {
    width: 30px;
    height: 3px;
    background: var(--blanco);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-links {
    display: flex;
    gap: 50px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--blanco);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s;
    position: relative;
    padding: 8px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cian-electrico), transparent);
    transition: width 0.4s;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 12px 28px !important;
    background: linear-gradient(135deg, var(--cian-electrico), #0099cc);
    color: var(--azul-profundo) !important;
    border-radius: 30px;
    font-weight: 700;
    transition: all 0.3s;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 224, 255, 0.4);
}

.nav-cta::after {
    display: none;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(ellipse at center, #1a1f4a 0%, var(--azul-profundo) 70%);
    padding: 120px 20px 80px;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--cian-electrico);
    border-radius: 50%;
    animation: float 20s infinite;
    opacity: 0.3;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(100px, -100px); }
    50% { transform: translate(-100px, -200px); }
    75% { transform: translate(50px, -150px); }
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 224, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 224, 255, 0.05) 1px, transparent 1px);
    background-size: 80px 80px;
    animation: gridMove 30s linear infinite;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(80px, 80px); }
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 1100px;
    padding: 0 40px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-tag {
    display: inline-block;
    background: rgba(0, 224, 255, 0.1);
    border: 1px solid var(--cian-electrico);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--cian-electrico);
    margin-bottom: 30px;
    text-transform: uppercase;
}

.hero h1 {
    font-family: 'Exo 2', sans-serif;
    font-size: clamp(40px, 7vw, 85px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 30px;
    background: linear-gradient(135deg, var(--blanco) 0%, var(--cian-electrico) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 24px);
    color: var(--gris-metalico);
    max-width: 800px;
    margin: 0 auto 50px;
    line-height: 1.6;
}

.cta-group {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.cta-button {
    padding: 18px 40px;
    background: linear-gradient(135deg, var(--cian-electrico), #0099cc);
    color: var(--azul-profundo);
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 224, 255, 0.4);
}

.cta-secondary {
    background: transparent;
    border: 2px solid var(--cian-electrico);
    color: var(--blanco);
}

.cta-secondary:hover {
    background: rgba(0, 224, 255, 0.1);
}

/* Secciones */
section {
    padding: 100px 40px;
    max-width: 1400px;
    margin: 0 auto;
}

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

.section-tag {
    display: inline-block;
    color: var(--cian-electrico);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.section-title {
    font-family: 'Exo 2', sans-serif;
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-description {
    font-size: 18px;
    color: var(--gris-metalico);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Tarjetas de Contenido */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.content-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    transition: all 0.4s ease;
    cursor: pointer;
}

.content-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--cian-electrico);
    box-shadow: 0 20px 60px rgba(0, 224, 255, 0.2);
}

.card-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
}

.card-title {
    font-family: 'Exo 2', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--blanco);
}

.card-description {
    color: var(--gris-metalico);
    line-height: 1.6;
    margin-bottom: 20px;
}

.card-link {
    color: var(--cian-electrico);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s;
}

.card-link:hover {
    gap: 15px;
}

/* Newsletter */
.newsletter-premium {
    background: linear-gradient(135deg, rgba(107, 70, 255, 0.1), rgba(0, 224, 255, 0.1));
    border: 1px solid rgba(0, 224, 255, 0.3);
    border-radius: 30px;
    padding: 80px 60px;
    text-align: center;
}

.newsletter-badge {
    display: inline-block;
    background: rgba(0, 224, 255, 0.2);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    color: var(--cian-electrico);
    margin-bottom: 20px;
}

.newsletter-premium h2 {
    font-family: 'Exo 2', sans-serif;
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
}

.newsletter-form {
    display: flex;
    gap: 15px;
    max-width: 600px;
    margin: 40px auto;
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-input {
    flex: 1;
    min-width: 250px;
    padding: 18px 25px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    color: var(--blanco);
    font-size: 16px;
    transition: all 0.3s;
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--cian-electrico);
    background: rgba(255, 255, 255, 0.08);
}

.newsletter-input::placeholder {
    color: var(--gris-metalico);
}

.newsletter-button {
    padding: 18px 40px;
    background: linear-gradient(135deg, var(--cian-electrico), #0099cc);
    color: var(--azul-profundo);
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
}

.newsletter-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 224, 255, 0.4);
}

.newsletter-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Success/Error Messages */
.form-message {
    margin-top: 20px;
    padding: 15px 25px;
    border-radius: 10px;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    color: #00ff88;
    display: block;
}

.form-message.error {
    background: rgba(255, 82, 82, 0.1);
    border: 1px solid rgba(255, 82, 82, 0.3);
    color: #ff5252;
    display: block;
}

/* Stats */
.stats-highlight {
    background: linear-gradient(135deg, rgba(0, 224, 255, 0.05), rgba(107, 70, 255, 0.05));
    border-radius: 30px;
    padding: 80px 40px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-number-large {
    display: block;
    font-family: 'Exo 2', sans-serif;
    font-size: 56px;
    font-weight: 900;
    color: var(--cian-electrico);
    margin-bottom: 10px;
}

.stat-label-large {
    display: block;
    color: var(--gris-metalico);
    font-size: 16px;
    font-weight: 600;
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 60px 40px 30px;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    font-family: 'Exo 2', sans-serif;
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 20px;
    transition: all 0.3s;
}

.social-icon:hover {
    background: var(--cian-electrico);
    border-color: var(--cian-electrico);
    transform: translateY(-3px);
}

.footer-section h4 {
    font-weight: 700;
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gris-metalico);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--cian-electrico);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gris-metalico);
    font-size: 14px;
}

/* Scroll to top button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--cian-electrico), #0099cc);
    border: none;
    border-radius: 50%;
    color: var(--azul-profundo);
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
    box-shadow: 0 5px 20px rgba(0, 224, 255, 0.3);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 224, 255, 0.5);
}

/* Loading Spinner */
.spinner {
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid var(--cian-electrico);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-left: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 968px) {
    nav {
        padding: 20px 30px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 300px;
        background: rgba(10, 15, 44, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 100px 40px;
        transition: right 0.4s ease;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 18px;
        padding: 15px 0;
    }

    section {
        padding: 60px 20px;
    }

    .hero {
        padding: 100px 20px 60px;
    }

    .content-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .newsletter-form {
        flex-direction: column;
        align-items: stretch;
    }

    .newsletter-input {
        min-width: auto;
    }

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

@media (max-width: 480px) {
    nav {
        padding: 15px 20px;
    }

    .logo {
        font-size: 24px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .cta-group {
        flex-direction: column;
        align-items: center;
    }

    .cta-button {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .content-card {
        padding: 30px 20px;
    }

    .newsletter-premium {
        padding: 50px 30px;
    }
}

/* Animaciones de entrada */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}