/**
 * Archivo CSS optimizado para AVSEC.info (v3 - CORREGIDO)
 * Generado a partir de las clases de Tailwind CSS utilizadas en los archivos PHP.
 * Incluye todas las utilidades de layout, tamaño y responsividad para corregir los estilos.
 */

/* --- Variables y Estilos Base --- */
:root {
    --border-color: #e5e7eb; 
    --text-primary: #3c4043;
    --text-secondary: #5f6368;
    --text-tertiary: #80868b;
    --theme-green: #7ab333;
    --theme-green-dark: #6a9f2a;
    --theme-green-light: #f1f8e9;
    --theme-background: #f9fafb;
}

*, ::before, ::after {
    box-sizing: border-box;
    border-width: 0;
    border-style: solid;
    border-color: #e5e7eb;
}

html {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    -moz-tab-size: 4;
    -o-tab-size: 4;
    tab-size: 4;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

body {
    margin: 0;
    line-height: inherit;
    background-color: var(--theme-background);
    color: var(--text-primary);
    padding-top: 80px;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: inherit;
}

img, svg, video, canvas, audio, iframe, embed, object {
    display: block;
    vertical-align: middle;
}

img, video {
    max-width: 100%;
    height: auto;
}

/* --- Estilos de Tailwind CSS Utilizados (COMPLETO) --- */
.container { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 1rem; padding-right: 1rem; }
.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-y-3 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.75rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }
.space-x-3 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.75rem; }
.space-x-4 > :not([hidden]) ~ :not([hidden]) { margin-left: 1rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-10 { padding-left: 2.5rem; padding-right: 2.5rem; }
.px-12 { padding-left: 3rem; padding-right: 3rem; }
.pt-4 { padding-top: 1rem; }
.pt-6 { padding-top: 1.5rem; }
.pb-6 { padding-bottom: 1.5rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.flex { display: flex; }
.inline-block { display: inline-block; }
.block { display: block; }
.hidden { display: none; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.min-h-screen { min-height: 100vh; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-16 { height: 4rem; }
.w-4 { width: 1rem; }
.w-6 { width: 1.5rem; }
.w-16 { width: 4rem; }
.w-full { width: 100%; }
.max-w-md { max-width: 28rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-4xl { max-width: 56rem; }
.flex-shrink-0 { flex-shrink: 0; }
.relative { position: relative; }
.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-b-2 { border-bottom-width: 2px; }
.border-t { border-top-width: 1px; }
.border-l-4 { border-left-width: 4px; }
.border-blue-200 { border-color: #bee3f8; }
.border-blue-300 { border-color: #90cdf4; }
.border-red-500 { border-color: #f56565; }
.border-yellow-200 { border-color: #faf089; }
.border-yellow-500 { border-color: #ecc94b; }
.bg-white { background-color: #fff; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-blue-50 { background-color: #ebf8ff; }
.bg-blue-100 { background-color: #ebf8ff; }
.bg-blue-600 { background-color: #3182ce; }
.bg-green-50 { background-color: #f0fff4; }
.bg-green-500 { background-color: #48bb78; }
.bg-green-600 { background-color: #38a169; }
.bg-red-100 { background-color: #fff5f5; }
.bg-yellow-50 { background-color: #fffff0; }
.bg-yellow-100 { background-color: #fefcbf; }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05); }
.shadow-md { box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-6xl { font-size: 4rem; line-height: 1; }
.font-light { font-weight: 300; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }
.text-white { color: #fff; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1f2937; }
.text-blue-600 { color: #2563eb; }
.text-blue-700 { color: #1d4ed8; }
.text-blue-800 { color: #1e40af; }
.text-blue-900 { color: #1e3a8a; }
.text-green-500 { color: #22c55e; }
.text-green-600 { color: #16a34a; }
.text-green-700 { color: #059669; }
.text-green-800 { color: #065f46; }
.text-yellow-800 { color: #854d0e; }
.text-yellow-900 { color: #713f12; }
.text-red-500 { color: #ef4444; }
.text-red-600 { color: #dc2626; }
.text-red-700 { color: #b91c1c; }
.underline { text-decoration: underline; }
.transition { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-colors { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.hover\:bg-blue-700:hover { background-color: #2b6cb0; }
.hover\:bg-gray-300:hover { background-color: #d1d5db; }
.hover\:bg-green-700:hover { background-color: #2f855a; }
.hover\:underline:hover { text-decoration: underline; }
.hover\:text-theme-green:hover { color: var(--theme-green); }
.cursor-pointer { cursor: pointer; }
.animate-spin { animation: spin 1s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
svg { display: block; vertical-align: middle; }

/* --- Estilos Personalizados de compra-curso.php --- */
@media (max-width: 768px) { body { padding-top: 70px; } }
.header-nav { position: fixed; top: 0; left: 0; right: 0; background: white; border-bottom: 1px solid var(--border-color); z-index: 1000; transition: all 0.3s ease; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05); }
.header-nav-link { color: var(--text-secondary); font-weight: 500; transition: color 0.3s ease, border-color 0.3s ease; padding: 8px 0; text-decoration: none; border-bottom: 2px solid transparent; }
.header-nav-link:hover, .header-nav-link.active { color: var(--theme-green); border-bottom-color: var(--theme-green); }
.logo-img { height: auto; width: auto; max-width: 100%; display: block; }
@media (min-width: 768px) { .logo-img { max-width: 232px; max-height: 63px; } .desktop-nav { display: flex; align-items: center; gap: 2rem; } .mobile-menu-btn-container { display: none; } }
@media (max-width: 767px) { .logo-img { max-width: 180px; max-height: 49px; } }
.mobile-menu-btn { background: none; border: none; cursor: pointer; padding: 8px; border-radius: 4px; transition: background-color 0.3s ease; }
.mobile-menu-btn:hover { background-color: #f3f4f6; }
.desktop-nav { display: none; }
.mobile-menu-btn-container { display: block; }
#mobile-menu { background-color: white; position: absolute; top: 100%; left: 0; right: 0; border-top: 1px solid var(--border-color); box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); }
#mobile-menu a { display: block; padding: 1rem; color: var(--text-secondary); font-weight: 500; border-bottom: 1px solid var(--border-color); }
#mobile-menu a:hover { background-color: var(--theme-green-light); color: var(--theme-green); }
.btn-header-cta { background-color: var(--theme-green); color: white; padding: 10px 20px; border-radius: 20px; font-weight: 500; text-decoration: none; transition: all 0.3s ease; box-shadow: 0 2px 8px rgba(122, 179, 51, 0.2); }
.btn-header-cta:hover { background-color: var(--theme-green-dark); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(139, 196, 67, 0.3); }
.gradient-hero { background: var(--theme-green-light); }
.text-gradient { color: var(--theme-green); }
.btn-primary { background: var(--theme-green); color: white; border-radius: 24px; padding: 16px 32px; font-weight: 600; transition: all 0.3s ease; box-shadow: 0 4px 12px rgba(122, 179, 51, 0.25); text-decoration: none; display: inline-block; text-align: center; border: none; cursor: pointer; }
.btn-primary:hover { background: var(--theme-green-dark); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(122, 179, 51, 0.35); }
.btn-secondary { background: #f8f9fa; color: var(--text-primary); border: 2px solid #e9ecef; border-radius: 20px; padding: 12px 24px; font-weight: 500; transition: all 0.3s ease; cursor: pointer; }
.btn-secondary:hover { background: #e9ecef; border-color: #dee2e6; }
.btn-secondary.active { background: var(--theme-green-light); border-color: var(--theme-green); color: var(--text-primary); }
.form-input { width: 100%; padding: 12px 16px; border: 2px solid #e9ecef; border-radius: 12px; font-size: 16px; transition: all 0.3s ease; background: white; }
.form-input:focus { outline: none; border-color: var(--theme-green); box-shadow: 0 0 0 3px rgba(122, 179, 51, 0.1); }
.form-label { font-weight: 500; color: var(--text-primary); margin-bottom: 8px; display: block; }
.soft-shadow { box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04); }
.section-padding { padding-top: 3rem; padding-bottom: 3rem; }
.radio-card { border: 2px solid #e9ecef; border-radius: 16px; padding: 20px; cursor: pointer; transition: all 0.3s ease; background: white; }
.radio-card:hover { border-color: var(--theme-green); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(122, 179, 51, 0.15); }
.radio-card.selected { border-color: var(--theme-green); background: var(--theme-green-light); }
.payment-method { display: flex; align-items: center; padding: 16px 20px; border: 2px solid #e9ecef; border-radius: 12px; cursor: pointer; transition: all 0.3s ease; background: white; margin-bottom: 12px; }
.payment-method:hover { border-color: var(--theme-green); background: var(--theme-green-light); }
.payment-method.selected { border-color: var(--theme-green); background: var(--theme-green-light); }
.price-display { font-size: 2rem; font-weight: 600; color: var(--text-primary); }
.process-info { background: var(--theme-green-light); border: 1px solid var(--theme-green); border-radius: 16px; padding: 20px; }
.transfer-info { background: #f3f4f6; border: 2px solid #e5e7eb; border-radius: 16px; padding: 24px; margin-top: 20px; }
.copy-btn { background: var(--theme-green-light); border: 1px solid var(--theme-green); border-radius: 8px; padding: 8px 16px; cursor: pointer; transition: all 0.3s ease; font-size: 14px; color: var(--theme-green-dark); }
.copy-btn:hover { background: var(--theme-green); color: white; }
.quantity-selector { display: flex; align-items: center; }
.quantity-btn { background-color: var(--theme-green); color: white; border: none; width: 44px; height: 44px; font-size: 24px; font-weight: 400; cursor: pointer; transition: all 0.2s ease-in-out; display: flex; align-items: center; justify-content: center; line-height: 1; }
.quantity-btn:hover { background-color: var(--theme-green-dark); }
.quantity-btn:disabled { background-color: #e5e7eb; color: #9ca3af; cursor: not-allowed; }
#quantity-minus { border-radius: 22px 0 0 22px; }
#quantity-plus { border-radius: 0 22px 22px 0; }
.quantity-input { width: 70px; height: 44px; text-align: center; border: 2px solid var(--border-color); border-left: none; border-right: none; font-size: 18px; font-weight: 600; color: var(--text-primary); -moz-appearance: textfield; }
.quantity-input::-webkit-outer-spin-button, .quantity-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.quantity-input:focus { outline: none; border-color: var(--theme-green); box-shadow: 0 0 0 3px rgba(122, 179, 51, 0.1); }
.loader { border: 4px solid #f3f3f3; border-top: 4px solid #3498db; border-radius: 50%; width: 24px; height: 24px; animation: spin 1s linear infinite; }
@media (max-width: 640px) { .section-padding { padding-top: 2rem; padding-bottom: 2rem; } .price-display { font-size: 1.5rem; } .radio-card { padding: 16px; } }
@media (min-width: 768px) { .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } .md\:col-span-4 { grid-column: span 4 / span 4; } .md\:p-8 { padding: 2rem; } .md\:w-auto { width: auto; } .md\:flex-row { flex-direction: row; } .md\:mb-0 { margin-bottom: 0; } .md\:space-x-6 > :not([hidden]) ~ :not([hidden]) { margin-left: 1.5rem; } }
@media (min-width: 1024px) { .lg\:text-5xl { font-size: 3rem; } }

/* --- Clases para archivos de subida --- */
.file\:mr-4 { margin-right: 1rem; }
.file\:py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.file\:px-4 { padding-left: 1rem; padding-right: 1rem; }
.file\:rounded-full { border-radius: 9999px; }
.file\:border-0 { border-width: 0; }
.file\:font-semibold { font-weight: 600; }
.file\:bg-blue-50 { background-color: #ebf8ff; }
.file\:text-blue-700 { color: #2b6cb0; }
.hover\:file\:bg-blue-100:hover { background-color: #bee3f8; }