/* ==========================================================================
   DESIGN SYSTEM & VARIABLES (SyntesIALabs)
   ========================================================================== */
:root {
    --bg-dark: #000000;             /* Absolute black background */
    --bg-card: rgba(1, 9, 21, 0.75); /* Very dark navy translucent */
    --bg-card-hover: rgba(2, 16, 36, 0.9);
    
    --color-gold: #0084ff;          /* Electric blue accent */
    --color-gold-dark: #0059b3;     /* Dark electric blue */
    --color-gold-light: #00c8ff;    /* Sky blue accent */
    
    --color-blue: #00ffff;          /* Cyan accent */
    --color-blue-glow: rgba(0, 255, 255, 0.15);
    
    --color-red: #ef4444;
    --color-text-white: #ffffff;
    --color-text-gray: #94a3b8;
    --color-border: rgba(0, 128, 255, 0.2);
    --color-border-hover: rgba(0, 128, 255, 0.55);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-body);
    background-color: transparent;
    color: var(--color-text-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #050505;
}
::-webkit-scrollbar-thumb {
    background: #222225;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-gold-dark);
}

/* ==========================================================================
   LAYOUT CONTAINERS & TYPOGRAPHY
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.text-gold {
    color: var(--color-gold);
}

.screen-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    font-weight: 900;
}

.section-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-text-gray);
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* ==========================================================================
   INTERACTIVE ELEMENTS / BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-medium);
    outline: none;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-gold);
    color: #000000;
    border: 2px solid var(--color-gold);
}

.btn-primary:hover {
    background: #ffffff;
    border-color: #ffffff;
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 15px 30px rgba(0, 128, 255, 0.35);
}

.btn-glow::after {
    content: '';
    position: absolute;
    inset: -50%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
    animation: buttonShimmer 4s infinite linear;
}

@keyframes buttonShimmer {
    0% { transform: translate(-150%, -150%) rotate(45deg); }
    100% { transform: translate(150%, 150%) rotate(45deg); }
}

.btn-large {
    padding: 20px 48px;
    font-size: 1.2rem;
}

.btn-full {
    width: 100%;
}

/* ==========================================================================
   LOADER & SCROLL PROGRESS
   ========================================================================== */
.loader-screen {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(0, 128, 255, 0.1);
    border-top: 4px solid var(--color-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-blue));
    width: 0%;
    z-index: 10000;
    transition: width 0.1s ease-out;
}

/* ==========================================================================
   BACKGROUND & NEBULAS
   ========================================================================== */
.cosmic-bg {
    position: fixed;
    inset: 0;
    z-index: -2;
    background: radial-gradient(circle at center, #000c1a 0%, #000000 100%);
    pointer-events: none;
    overflow: hidden;
}

#particlesCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.nebula {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.12;
    pointer-events: none;
    z-index: 3;
}

.nebula-yellow {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-gold) 0%, transparent 70%);
    top: -100px;
    left: -200px;
    animation: drift 25s ease-in-out infinite alternate;
}

.nebula-blue {
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--color-blue) 0%, transparent 70%);
    bottom: -200px;
    right: -250px;
    animation: drift 35s ease-in-out infinite alternate-reverse;
}

.nebula-center {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 128, 255, 0.08) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(80px, 60px) scale(1.15); }
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.main-header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    transition: all var(--transition-fast);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-icon {
    font-size: 1.6rem;
    animation: pulseIcon 2.5s infinite ease-in-out;
}

@keyframes pulseIcon {
    50% { transform: scale(1.15) rotate(5deg); filter: drop-shadow(0 0 8px var(--color-gold)); }
}

.logo-accent {
    color: var(--color-gold);
}

.header-btn {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: #000000;
    background: var(--color-gold);
    padding: 10px 20px;
    border-radius: 30px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.header-btn:hover {
    background: #ffffff;
    transform: scale(1.05);
}

/* ==========================================================================
   SECCIÓN HERO
   ========================================================================== */
.hero-section {
    padding-top: 180px;
    padding-bottom: 100px;
    position: relative;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    color: var(--color-gold);
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 128, 255, 0.08);
    border: 1px solid rgba(0, 128, 255, 0.25);
    border-radius: 30px;
}

.hero-title {
    font-size: clamp(2.2rem, 6vw, 4.4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: var(--color-text-gray);
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.5;
}

.hero-counter-text {
    font-size: 1.1rem;
    color: var(--color-text-white);
    margin-bottom: 2.5rem;
}

/* Shimmer animation for golden text */
.shimmer-text {
    background: linear-gradient(135deg, #0059b3 0%, #0084ff 45%, #00c8ff 50%, #0084ff 55%, #0059b3 100%);
    background-size: 400% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: goldShimmer 10s linear infinite;
    display: inline-block;
}

@keyframes goldShimmer {
    0% { background-position: 0% center; }
    100% { background-position: 400% center; }
}

/* ==========================================================================
   SECCIÓN COMPARATIVA (PROBLEMA VS SOLUCIÓN)
   ========================================================================== */
.comparison-section {
    padding: 80px 0;
    background: linear-gradient(180deg, transparent, rgba(0, 128, 255, 0.01), transparent);
}

.comparison-list {
    list-style: none;
    max-width: 960px;
    margin: 3.5rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.comparison-item {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 20px;
    background: rgba(1, 9, 21, 0.65); /* Less transparent dark glass */
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 24px;
    transition: all var(--transition-medium);
    opacity: 0;
    transform: translateY(20px);
    animation: slideInUp 0.8s forwards;
    animation-delay: calc(var(--i) * 0.15s);
}

.comparison-item:hover {
    border-color: rgba(0, 132, 255, 0.3);
    background: rgba(1, 9, 21, 0.85); /* Slightly darker on hover */
    box-shadow: 0 10px 30px rgba(0, 132, 255, 0.08);
}

@keyframes slideInUp {
    to { opacity: 1; transform: translateY(0); }
}

.comp-problem, .comp-solution {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    font-size: 1.05rem;
    line-height: 1.4;
}

.comp-problem {
    color: var(--color-text-gray);
}

.comp-solution {
    font-weight: 600;
}

.status-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 800;
    flex-shrink: 0;
}

.icon-problem {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: var(--color-red);
}

.icon-solution {
    background: rgba(0, 128, 255, 0.08);
    border: 1px solid rgba(0, 128, 255, 0.3);
    color: var(--color-gold);
    box-shadow: 0 0 10px rgba(0, 128, 255, 0.2);
}

.comp-arrow {
    color: var(--color-text-gray);
    font-size: 1.4rem;
    font-weight: 700;
    animation: pulseArrow 2s infinite ease-in-out;
}

@keyframes pulseArrow {
    50% { transform: translateX(4px); color: var(--color-gold); }
}

/* ==========================================================================
   SECCIÓN MÓDULOS DE APRENDIZAJE (GRID)
   ========================================================================== */
.modules-section {
    padding: 100px 0;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 2rem;
}

.module-card {
    background: var(--bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-medium);
    display: flex;
    flex-direction: column;
    gap: 20px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.card-glow {
    position: absolute;
    inset: -50%;
    background: radial-gradient(circle, rgba(0, 128, 255, 0.08) 0%, transparent 60%);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-medium);
}

.module-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-border-hover);
    background: var(--bg-card-hover);
    box-shadow: 0 20px 40px rgba(0, 128, 255, 0.08), 0 0 30px rgba(0, 128, 255, 0.03);
}

.module-card:hover .card-glow {
    opacity: 1;
}

.module-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.module-card-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-white);
}

.module-card-desc {
    color: var(--color-text-gray);
    font-size: 0.95rem;
    line-height: 1.5;
}



/* ==========================================================================
   SECCIÓN VENTAJAS (GRID DE BENEFICIOS)
   ========================================================================== */
.advantages-section {
    padding: 100px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 2rem;
}

.advantage-card {
    background: rgba(1, 9, 21, 0.65); /* Less transparent dark glass */
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 36px 28px;
    position: relative;
    transition: all var(--transition-medium);
}

.advantage-card:hover {
    border-color: rgba(0, 132, 255, 0.4);
    background: rgba(1, 9, 21, 0.85); /* Darker on hover with glowing border */
    box-shadow: 0 15px 35px rgba(0, 132, 255, 0.1);
}

.adv-number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 900;
    color: rgba(0, 128, 255, 0.15);
    position: absolute;
    top: 20px;
    right: 24px;
    line-height: 1;
    transition: color var(--transition-fast);
}

.advantage-card:hover .adv-number {
    color: var(--color-gold);
}

.adv-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.adv-desc {
    font-size: 0.9rem;
    color: var(--color-text-gray);
    line-height: 1.5;
}

/* ==========================================================================
   SECCIÓN DE CONTRASTE FINAL
   ========================================================================== */
.contrast-section {
    padding: 100px 0;
    background: radial-gradient(circle at center, rgba(0, 128, 255, 0.04) 0%, transparent 60%);
}

.contrast-text {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    line-height: 1.8;
    max-width: 900px;
    margin: 2rem auto 0;
    color: var(--color-text-white);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
    padding-top: 80px;
    padding-bottom: 40px;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.9) 50%);
    border-top: 1px solid rgba(255, 255, 255, 0.02);
}

.footer-register-box {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 40px;
    background: radial-gradient(circle, rgba(0, 128, 255, 0.05) 0%, transparent 80%), rgba(10, 10, 12, 0.7);
    border: 1px solid rgba(0, 128, 255, 0.15);
    border-radius: 30px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.footer-register-box h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
}

.footer-desc {
    font-size: 1.1rem;
    color: var(--color-text-gray);
    max-width: 650px;
    margin: 1.5rem auto 0;
}

.footer-bottom {
    margin-top: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 40px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
}

.social-links {
    display: flex;
    gap: 30px;
}

.social-links a {
    color: var(--color-text-gray);
    font-size: 0.95rem;
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.social-links a:hover {
    color: var(--color-gold);
}

.copyright-text {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   POPUP / MODAL DE REGISTRO
   ========================================================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    width: 100%;
    max-width: 550px;
    background: linear-gradient(145deg, #09090b, #121216);
    border: 1px solid rgba(0, 128, 255, 0.2);
    border-radius: 28px;
    padding: 48px;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-medium);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8), 0 0 50px rgba(0, 128, 255, 0.08);
}

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

.modal-close-btn {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    color: var(--color-text-gray);
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close-btn:hover {
    background: #ffffff;
    color: #000000;
    border-color: #ffffff;
}

.modal-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.modal-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    line-height: 1.5;
    margin-bottom: 30px;
}

.modal-subtitle strong {
    color: var(--color-gold);
}

/* Formulario */
.registration-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    width: 100%;
}

.form-group input:not([type="checkbox"]) {
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-white);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 16px 20px;
    outline: none;
    transition: all var(--transition-fast);
}

.form-group input:not([type="checkbox"]):focus {
    border-color: var(--color-gold);
    background: rgba(0, 128, 255, 0.02);
    box-shadow: 0 0 15px rgba(0, 128, 255, 0.15);
}

/* WhatsApp Phone Input Grid */
.phone-group {
    display: flex;
    gap: 10px;
    align-items: stretch;
}

.prefix-selector {
    flex-shrink: 0;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 14px;
    overflow: hidden;
    width: 115px; /* Aumentado para mostrar correctamente la bandera y el código */
}

.prefix-selector select {
    width: 100%;
    height: 100%;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text-white);
    background: transparent;
    border: none;
    padding: 0 25px 0 10px; /* Ajustado padding derecho para el indicador */
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

/* Estilo oscuro para opciones del selector de país en todos los navegadores */
.prefix-selector select option {
    background-color: #0c1220;
    color: #ffffff;
    font-family: var(--font-body);
    padding: 10px;
}

/* Contenedor de errores del formulario */
.form-error-message {
    display: none;
    color: #ff4a4a;
    background: rgba(255, 74, 74, 0.08);
    border: 1px solid rgba(255, 74, 74, 0.25);
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    line-height: 1.4;
    text-align: left;
    box-shadow: 0 4px 12px rgba(255, 74, 74, 0.05);
    animation: fadeInUp 0.3s ease;
}

.prefix-selector::after {
    content: '▼';
    font-size: 0.65rem;
    color: var(--color-text-gray);
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

/* Footer del modal */
.modal-footer {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.security-guarantee-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(14, 165, 233, 0.03);
    border: 1px solid rgba(14, 165, 233, 0.15);
    border-radius: 12px;
    margin-bottom: 24px;
}

.lock-icon {
    font-size: 1.1rem;
    color: var(--color-blue);
    animation: rotateLock 4s ease-in-out infinite;
}

@keyframes rotateLock {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.badge-text {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.4;
}



/* ==========================================================================
   RESPONSIVE LAYOUTS (MOBILE & TABLET)
   ========================================================================== */
@media (max-width: 1024px) {
    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .comparison-item {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .main-header {
        padding: 12px 0;
    }
    
    .logo-area {
        font-size: 1.2rem;
    }
    
    .logo-icon {
        font-size: 1.4rem;
    }
    
    .header-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .hero-section {
        padding-top: 140px;
        padding-bottom: 60px;
    }
    
    .hero-title {
        font-size: 2.2rem;
        line-height: 1.15;
    }
    
    .hero-subtitle {
        margin-bottom: 2rem;
    }

    .comparison-item {
        grid-template-columns: 1fr;
        gap: 12px;
        text-align: center;
    }
    
    .comp-problem, .comp-solution {
        justify-content: center;
        text-align: center;
        flex-direction: column;
        align-items: center;
    }
    
    .comp-arrow {
        transform: rotate(90deg);
        animation: pulseArrowVertical 2s infinite ease-in-out;
        margin: 6px 0;
    }
    
    @keyframes pulseArrowVertical {
        50% { transform: translateY(4px) rotate(90deg); color: var(--color-gold); }
    }

    .modules-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .module-card {
        padding: 30px;
    }



    .modal-card {
        padding: 30px 24px;
        border-radius: 20px;
    }
    
    .modal-title {
        font-size: 1.6rem;
    }
    
    .modal-close-btn {
        top: 16px;
        right: 16px;
        width: 32px;
        height: 32px;
    }
    
    .footer-register-box {
        padding: 40px 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   PÁGINA DE GRACIAS / CONFIRMACIÓN (SyntesIALabs)
   ========================================================================== */
.thankyou-section {
    min-height: calc(100vh - 100px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 140px 24px 80px; /* Offset fixed header and add space */
    position: relative;
    z-index: 10;
}

.thankyou-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 50px 40px;
    max-width: 760px; /* Wider card to fit video player elegantly */
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 50px rgba(0, 132, 255, 0.05);
    transition: border-color var(--transition-medium), box-shadow var(--transition-medium);
    animation: fadeInUp 0.8s var(--transition-slow);
}

.thankyou-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 60px rgba(0, 132, 255, 0.15);
}

.thankyou-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 24px;
    animation: bounceSlow 3s ease-in-out infinite;
}

.thankyou-title {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 900;
    margin-bottom: 16px;
    line-height: 1.15;
}

.thankyou-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-gray);
    margin-bottom: 30px;
    line-height: 1.6;
}

.whatsapp-box {
    background: rgba(37, 211, 102, 0.03);
    border: 1px dashed rgba(37, 211, 102, 0.2);
    border-radius: 20px;
    padding: 30px 24px;
    margin-bottom: 30px;
}

.whatsapp-box-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: #25D366;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.whatsapp-box-desc {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    margin-bottom: 20px;
    line-height: 1.5;
}

.btn-whatsapp {
    background: #25D366;
    color: #000000;
    border: 2px solid #25D366;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.25), 0 0 30px rgba(37, 211, 102, 0.1);
    width: 100%;
}

.btn-whatsapp:hover {
    background: #ffffff;
    border-color: #ffffff;
    color: #000000;
    box-shadow: 0 12px 28px rgba(255, 255, 255, 0.3), 0 0 40px rgba(37, 211, 102, 0.2);
    transform: translateY(-3px) scale(1.02);
}

.whatsapp-disclaimer {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

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

@media (max-width: 576px) {
    .thankyou-card {
        padding: 40px 20px;
    }
    .thankyou-title {
        font-size: 1.8rem;
    }
}

/* ==========================================================================
   LANDING PAGE B2B: BLUEPRINT (SyntesIALabs)
   ========================================================================== */
.badge-limit {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #ef4444;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Timeline/Cronograma del Diagnóstico */
.timeline-section {
    padding: 100px 0;
    position: relative;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 40px auto 0;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 5px;
    bottom: 5px;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-gold) 0%, var(--color-blue) 100%);
    opacity: 0.3;
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    animation: fadeInUp 0.8s ease;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-badge {
    position: absolute;
    left: -30px;
    top: 5px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 3px solid var(--color-gold);
    box-shadow: 0 0 10px var(--color-gold);
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-badge {
    transform: scale(1.3);
    border-color: var(--color-blue);
    box-shadow: 0 0 15px var(--color-blue);
}

.timeline-content {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 30px;
    transition: border-color var(--transition-medium), box-shadow var(--transition-medium);
}

.timeline-content:hover {
    border-color: var(--color-border-hover);
    box-shadow: 0 10px 30px rgba(0, 132, 255, 0.08);
}

.timeline-time {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-gold-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    display: block;
}

.timeline-title {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.timeline-desc {
    color: var(--color-text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Caja de Garantía B2B */
.guarantee-box-large {
    background: linear-gradient(135deg, rgba(0, 132, 255, 0.05) 0%, rgba(0, 255, 255, 0.02) 100%);
    border: 1px solid rgba(0, 132, 255, 0.2);
    border-radius: 24px;
    padding: 40px;
    margin: 60px auto;
    max-width: 800px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.guarantee-badge-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
}

/* Formulario Calificado de Prospección */
.blueprint-form-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 50px 40px;
    max-width: 800px;
    margin: 40px auto 0;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.form-grid-full {
    grid-column: span 2;
}

/* Ajustes Responsivos para el Formulario */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-grid-full {
        grid-column: span 1;
    }
    .blueprint-form-card {
        padding: 30px 20px;
    }
    .guarantee-box-large {
        padding: 30px 20px;
    }
}

/* Etiqueta de paso obligatorio animada */
.badge-obligatorio {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #ef4444;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.08);
    margin-bottom: 24px;
    animation: pulseGlowRed 2.5s infinite ease-in-out;
}

@keyframes pulseGlowRed {
    0%, 100% { 
        box-shadow: 0 0 10px rgba(239, 68, 68, 0.05); 
        border-color: rgba(239, 68, 68, 0.35);
        background: rgba(239, 68, 68, 0.12);
    }
    50% { 
        box-shadow: 0 0 20px rgba(239, 68, 68, 0.25); 
        border-color: rgba(239, 68, 68, 0.65);
        background: rgba(239, 68, 68, 0.2);
    }
}

/* Contenedor del Reproductor de Video */
.video-container {
    margin: 30px auto 10px;
    max-width: 680px;
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 35px rgba(0, 132, 255, 0.08);
    background: #000;
    position: relative;
    aspect-ratio: 16 / 9;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Redes Sociales en página de agradecimiento */
.social-follow-container {
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 35px;
    text-align: center;
}

.social-follow-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    max-width: 600px;
    margin: 20px auto 0;
}

@media (max-width: 576px) {
    .social-follow-grid {
        grid-template-columns: 1fr;
    }
}

.social-follow-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 15px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-decoration: none;
    color: #fff;
    transition: all var(--transition-fast);
}

.social-follow-card:hover {
    background: rgba(0, 132, 255, 0.05);
    border-color: var(--color-blue);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 132, 255, 0.1);
}

.social-follow-icon {
    font-size: 2.2rem;
    margin-bottom: 8px;
}

.social-follow-name {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
}

.social-follow-handle {
    font-size: 0.75rem;
    color: var(--color-text-gray);
    margin-top: 2px;
}

/* Sección de Preguntas Frecuentes (FAQ) */
.faq-section-thanks {
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 35px;
    text-align: left;
}

.faq-title-thanks {
    font-family: var(--font-heading);
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
}

.faq-item-thanks {
    margin-bottom: 15px;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.faq-item-thanks:hover {
    border-color: rgba(0, 132, 255, 0.2);
    background: rgba(0, 132, 255, 0.02);
}

.faq-question-thanks {
    padding: 16px 20px;
    font-weight: 600;
    font-size: 0.95rem;
    color: #fff;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    list-style: none; /* Hide default marker */
}

.faq-question-thanks::-webkit-details-marker {
    display: none; /* Hide default marker Chrome/Safari */
}

.faq-question-thanks::after {
    content: '↓';
    font-size: 0.8rem;
    color: var(--color-blue);
    transition: transform var(--transition-fast);
}

.faq-item-thanks[open] .faq-question-thanks::after {
    transform: rotate(180deg);
}

.faq-answer-thanks {
    padding: 0 20px 16px;
    font-size: 0.88rem;
    color: var(--color-text-gray);
    line-height: 1.5;
}