:root {
  /* === PALETA AZUL PROFESIONAL #2B6CB0 === */
  
  /* Colores de fondo principales */
  --color-background: #2B6CB0;           /* Azul principal solicitado */
  --color-surface: #FFFFFF;              /* Blanco puro para tarjetas */
  --color-surface-secondary: #F8FAFC;    /* Gris muy claro */
  
  /* Textos optimizados para contraste */
  --color-text: #1E293B;                 /* Azul oscuro para texto */
  --color-text-secondary: #475569;       /* Gris azulado secundario */
  --color-text-light: #FFFFFF;           /* Blanco para fondos oscuros */
  
  /* Azul profesional como color primario */
  --color-primary: #3B82F6;              /* Azul vibrante para CTAs */
  --color-primary-hover: #2563EB;        /* Azul hover */
  --color-primary-active: #1D4ED8;       /* Azul activo */
  --color-primary-light: #DBEAFE;        /* Azul muy claro para fondos */
  
  /* Colores de acento profesionales */
  --color-accent: #10B981;               /* Verde esmeralda para éxito */
  --color-accent-secondary: #F59E0B;     /* Dorado para alertas */
  --color-accent-tertiary: #8B5CF6;      /* Púrpura moderno */
  
  /* Bordes y separadores */
  --color-border: #E2E8F0;               /* Gris claro para bordes */
  --color-border-dark: #CBD5E1;          /* Gris medio para destacar */
  
  /* Estados de feedback */
  --color-success: #10B981;              /* Verde para éxito */
  --color-error: #EF4444;                /* Rojo para errores */
  --color-warning: #F59E0B;              /* Amarillo para advertencias */
  --color-info: #3B82F6;                 /* Azul para información */
  
  /* Gradientes elegantes */
  --gradient-primary: linear-gradient(135deg, #2B6CB0 0%, #3B82F6 100%);
  --gradient-accent: linear-gradient(135deg, #10B981 0%, #059669 100%);
  --gradient-surface: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
  
  /* Sombras refinadas */
  --color-shadow: rgba(30, 41, 59, 0.1);
  --color-shadow-strong: rgba(30, 41, 59, 0.25);

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
    0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* Dark mode colors */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: rgba(31, 33, 33, 1);
    --color-surface: rgba(38, 40, 40, 1);
    --color-text: rgba(245, 245, 245, 1);
    --color-text-secondary: rgba(167, 169, 169, 0.7);
    --color-primary: rgba(50, 184, 198, 1);
    --color-primary-hover: rgba(45, 166, 178, 1);
    --color-primary-active: rgba(41, 150, 161, 1);
    --color-secondary: rgba(119, 124, 124, 0.15);
    --color-secondary-hover: rgba(119, 124, 124, 0.25);
    --color-secondary-active: rgba(119, 124, 124, 0.3);
    --color-border: rgba(119, 124, 124, 0.3);
    --color-error: rgba(255, 84, 89, 1);
    --color-success: rgba(50, 184, 198, 1);
    --color-warning: rgba(230, 129, 97, 1);
    --color-info: rgba(167, 169, 169, 1);
    --color-focus-ring: rgba(50, 184, 198, 0.4);
    --color-btn-primary-text: rgba(19, 52, 59, 1);
    --color-card-border: rgba(119, 124, 124, 0.2);
    --color-card-border-inner: rgba(119, 124, 124, 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --button-border-secondary: rgba(119, 124, 124, 0.2);
    --color-border-secondary: rgba(119, 124, 124, 0.2);
    --color-select-caret: rgba(245, 245, 245, 0.8);

    /* Common style patterns - updated for dark mode */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

    /* RGB versions for dark mode */
    --color-success-rgb: 50, 184, 198;
    --color-error-rgb: 255, 84, 89;
    --color-warning-rgb: 230, 129, 97;
    --color-info-rgb: 167, 169, 169;
  }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  --color-background: rgba(31, 33, 33, 1);
  --color-surface: rgba(38, 40, 40, 1);
  --color-text: rgba(245, 245, 245, 1);
  --color-text-secondary: rgba(167, 169, 169, 0.7);
  --color-primary: rgba(50, 184, 198, 1);
  --color-primary-hover: rgba(45, 166, 178, 1);
  --color-primary-active: rgba(41, 150, 161, 1);
  --color-secondary: rgba(119, 124, 124, 0.15);
  --color-secondary-hover: rgba(119, 124, 124, 0.25);
  --color-secondary-active: rgba(119, 124, 124, 0.3);
  --color-border: rgba(119, 124, 124, 0.3);
  --color-error: rgba(255, 84, 89, 1);
  --color-success: rgba(50, 184, 198, 1);
  --color-warning: rgba(230, 129, 97, 1);
  --color-info: rgba(167, 169, 169, 1);
  --color-focus-ring: rgba(50, 184, 198, 0.4);
  --color-btn-primary-text: rgba(19, 52, 59, 1);
  --color-card-border: rgba(119, 124, 124, 0.15);
  --color-card-border-inner: rgba(119, 124, 124, 0.15);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  --color-border-secondary: rgba(119, 124, 124, 0.2);
  --color-select-caret: rgba(245, 245, 245, 0.8);

  /* Common style patterns - updated for dark mode */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for dark mode */
  --color-success-rgb: 50, 184, 198;
  --color-error-rgb: 255, 84, 89;
  --color-warning-rgb: 230, 129, 97;
  --color-info-rgb: 167, 169, 169;
}

[data-color-scheme="light"] {
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);

  /* RGB versions for light mode */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;
}

/* Base styles */
html {
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  letter-spacing: var(--letter-spacing-tight);
}

h1 {
  font-size: var(--font-size-4xl);
}
h2 {
  font-size: var(--font-size-3xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-xl);
}
h5 {
  font-size: var(--font-size-lg);
}
h6 {
  font-size: var(--font-size-md);
}

p {
  margin: 0 0 var(--space-16) 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}

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

code,
pre {
  font-family: var(--font-family-mono);
  font-size: calc(var(--font-size-base) * 0.95);
  background-color: var(--color-secondary);
  border-radius: var(--radius-sm);
}

code {
  padding: var(--space-1) var(--space-4);
}

pre {
  padding: var(--space-16);
  margin: var(--space-16) 0;
  overflow: auto;
  border: 1px solid var(--color-border);
}

pre code {
  background: none;
  padding: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  border: none;
  text-decoration: none;
  position: relative;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
}

.btn--primary:active {
  background: var(--color-primary-active);
}

.btn--secondary {
  background: var(--color-secondary);
  color: var(--color-text);
}

.btn--secondary:hover {
  background: var(--color-secondary-hover);
}

.btn--secondary:active {
  background: var(--color-secondary-active);
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  background: var(--color-secondary);
}

.btn--sm {
  padding: var(--space-4) var(--space-12);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: var(--space-10) var(--space-20);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
}

.btn--full-width {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Form elements */
.form-control {
  display: block;
  width: 100%;
  padding: var(--space-8) var(--space-12);
  font-size: var(--font-size-md);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

textarea.form-control {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
}

select.form-control {
  padding: var(--space-8) var(--space-12);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: var(--select-caret-light);
  background-repeat: no-repeat;
  background-position: right var(--space-12) center;
  background-size: 16px;
  padding-right: var(--space-32);
}

/* Add a dark mode specific caret */
@media (prefers-color-scheme: dark) {
  select.form-control {
    background-image: var(--select-caret-dark);
  }
}

/* Also handle data-color-scheme */
[data-color-scheme="dark"] select.form-control {
  background-image: var(--select-caret-dark);
}

[data-color-scheme="light"] select.form-control {
  background-image: var(--select-caret-light);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: var(--focus-outline);
}

.form-label {
  display: block;
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.form-group {
  margin-bottom: var(--space-16);
}

/* Card component */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--duration-normal) var(--ease-standard);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card__body {
  padding: var(--space-16);
}

.card__header,
.card__footer {
  padding: var(--space-16);
  border-bottom: 1px solid var(--color-card-border-inner);
}

/* Status indicators - simplified with CSS variables */
.status {
  display: inline-flex;
  align-items: center;
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.status--success {
  background-color: rgba(
    var(--color-success-rgb, 33, 128, 141),
    var(--status-bg-opacity)
  );
  color: var(--color-success);
  border: 1px solid
    rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity));
}

.status--error {
  background-color: rgba(
    var(--color-error-rgb, 192, 21, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-error);
  border: 1px solid
    rgba(var(--color-error-rgb, 192, 21, 47), var(--status-border-opacity));
}

.status--warning {
  background-color: rgba(
    var(--color-warning-rgb, 168, 75, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-warning);
  border: 1px solid
    rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity));
}

.status--info {
  background-color: rgba(
    var(--color-info-rgb, 98, 108, 113),
    var(--status-bg-opacity)
  );
  color: var(--color-info);
  border: 1px solid
    rgba(var(--color-info-rgb, 98, 108, 113), var(--status-border-opacity));
}

/* Container layout */
.container {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding-right: var(--space-16);
  padding-left: var(--space-16);
}

@media (min-width: 640px) {
  .container {
    max-width: var(--container-sm);
  }
}
@media (min-width: 768px) {
  .container {
    max-width: var(--container-md);
  }
}
@media (min-width: 1024px) {
  .container {
    max-width: var(--container-lg);
  }
}
@media (min-width: 1280px) {
  .container {
    max-width: var(--container-xl);
  }
}

/* Utility classes */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-4 {
  gap: var(--space-4);
}
.gap-8 {
  gap: var(--space-8);
}
.gap-16 {
  gap: var(--space-16);
}

.m-0 {
  margin: 0;
}
.mt-8 {
  margin-top: var(--space-8);
}
.mb-8 {
  margin-bottom: var(--space-8);
}
.mx-8 {
  margin-left: var(--space-8);
  margin-right: var(--space-8);
}
.my-8 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.p-0 {
  padding: 0;
}
.py-8 {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}
.px-8 {
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}
.py-16 {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}
.px-16 {
  padding-left: var(--space-16);
  padding-right: var(--space-16);
}

.block {
  display: block;
}
.hidden {
  display: none;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

/* Dark mode specifics */
[data-color-scheme="dark"] .btn--outline {
  border: 1px solid var(--color-border-secondary);
}

@font-face {
  font-family: 'FKGroteskNeue';
  src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2')
    format('woff2');
}

/* ===== ESTILOS ESPECÍFICOS PARA PÁGINA DE VIDEOS ===== */

/* Header con logotipo */
.main-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.logo-img {
  height: 60px;
  max-width: 200px;
  object-fit: contain;
  display: block;
}

/* Hero Section para Videos */
.videos-hero {
  background: linear-gradient(to right, var(--color-primary), var(--color-primary-hover));
  color: var(--color-btn-primary-text);
  padding: var(--space-32) 0;
  text-align: center;
}

.videos-hero__content {
  max-width: 800px;
  margin: 0 auto;
}

.videos-hero__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-16);
  line-height: var(--line-height-tight);
   color: var(--color-surface);
}

.videos-hero__subtitle {
  display: block;
  color: var(--color-surface);
  font-size: var(--font-size-md);
  margin-top: var(--space-8);
  transform: rotate(-1deg);
}

.videos-hero__description {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-normal);
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
    color: var(--color-text-light);
}

/* Videos Section */
.videos-section {
  padding: var(--space-32) 0;
  background: var(--color-surface);
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-32);
  margin-top: var(--space-32);
}

/* ===== MARCOS DECORATIVOS BASE ===== */

.video-frame {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  box-shadow: var(--shadow-md);
  transition: all var(--duration-normal) var(--ease-standard);
  overflow: hidden;
}

.video-frame:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

/* Contenedor del video responsive */
.video-container {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%; /* Aspecto 16:9 */
  margin-bottom: var(--space-16);
  border-radius: var(--radius-base);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--radius-base);
}

/* Información del video */
.video-info {
  padding: var(--space-16) 0;
}

.video-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.video-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin: 0;
}

/* ===== MARCO ORNAMENTAL (Estilo Clásico) ===== */

.ornate-frame {
  background: var(--color-surface);
  border: 3px solid var(--color-primary);
  position: relative;
}

.ornate-frame::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--color-primary), var(--color-secondary), var(--color-primary));
  z-index: -1;
  border-radius: var(--radius-lg);
}

.frame-decoration {
  position: absolute;
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.frame-decoration::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background: var(--color-secondary);
  border-radius: 50%;
}

.frame-decoration.top-left {
  top: -15px;
  left: -15px;
  background: radial-gradient(circle, var(--color-primary) 0%, var(--color-primary-hover) 100%);
}

.frame-decoration.top-right {
  top: -15px;
  right: -15px;
  background: radial-gradient(circle, var(--color-secondary) 0%, var(--color-secondary-hover) 100%);
}

.frame-decoration.bottom-left {
  bottom: -15px;
  left: -15px;
  background: radial-gradient(circle, var(--color-secondary) 0%, var(--color-secondary-hover) 100%);
}

.frame-decoration.bottom-right {
  bottom: -15px;
  right: -15px;
  background: radial-gradient(circle, var(--color-primary-hover) 0%, var(--color-primary) 100%);
}

/* ===== MARCO VINTAGE ===== */

.vintage-frame {
  background: var(--color-surface);
  border: 8px solid var(--color-primary);
  border-image: repeating-linear-gradient(
    45deg,
    var(--color-primary),
    var(--color-primary) 10px,
    var(--color-primary-hover) 10px,
    var(--color-primary-hover) 20px
  ) 8;
  position: relative;
}

.vintage-frame .frame-border {
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  bottom: 8px;
  border: 2px dotted var(--color-primary);
  border-radius: var(--radius-base);
  pointer-events: none;
}

.vintage-frame::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 25% 25%, rgba(var(--color-success-rgb), 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 25%, rgba(var(--color-success-rgb), 0.1) 0%, transparent 50%),
    radial-gradient(circle at 25% 75%, rgba(var(--color-success-rgb), 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(var(--color-success-rgb), 0.1) 0%, transparent 50%);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

/* ===== MARCO MODERNO CON BRILLO ===== */

.modern-frame {
  background: var(--color-surface);
  border: 2px solid transparent;
  background-clip: padding-box;
  position: relative;
}

.modern-frame::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, 
    var(--color-primary), 
    var(--color-secondary), 
    var(--color-primary-hover), 
    var(--color-primary)
  );
  background-size: 400% 400%;
  animation: borderGlow 3s ease-in-out infinite;
  border-radius: var(--radius-lg);
  z-index: -1;
}

.frame-glow {
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  background: linear-gradient(45deg, 
    rgba(var(--color-success-rgb), 0.3), 
    rgba(var(--color-info-rgb), 0.3), 
    rgba(var(--color-warning-rgb), 0.3), 
    rgba(var(--color-success-rgb), 0.3)
  );
  background-size: 400% 400%;
  animation: borderGlow 3s ease-in-out infinite;
  border-radius: var(--radius-lg);
  z-index: -2;
  filter: blur(6px);
}

@keyframes borderGlow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ===== MARCO CLÁSICO CON PATRÓN ===== */

.classic-frame {
  background: var(--color-surface);
  border: 6px solid var(--color-primary);
  position: relative;
}

.classic-frame .frame-pattern {
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  background-image: 
    repeating-linear-gradient(
      0deg,
      var(--color-primary),
      var(--color-primary) 2px,
      var(--color-secondary) 2px,
      var(--color-secondary) 4px
    ),
    repeating-linear-gradient(
      90deg,
      var(--color-primary),
      var(--color-primary) 2px,
      var(--color-secondary) 2px,
      var(--color-secondary) 4px
    );
  border-radius: var(--radius-lg);
  z-index: -1;
}

/* ===== MARCO ELEGANTE CON FLOURISHES ===== */

.elegant-frame {
  background: var(--color-surface);
  border: 4px solid var(--color-primary);
  position: relative;
}

.frame-flourish {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 20px;
  background: var(--color-primary);
  z-index: 1;
}

.frame-flourish.top {
  top: -10px;
  border-radius: 0 0 30px 30px;
}

.frame-flourish.bottom {
  bottom: -10px;
  border-radius: 30px 30px 0 0;
}

.frame-flourish::before,
.frame-flourish::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--color-secondary);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
}

.frame-flourish::before {
  left: -25px;
}

.frame-flourish::after {
  right: -25px;
}

/* ===== CARACTERÍSTICAS DESTACADAS ===== */

.features-highlight {
  padding: var(--space-32) 0;
  background: var(--color-secondary);
}

.features-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-24);
  margin-top: var(--space-24);
}

.feature-highlight-card {
  background: var(--color-surface);
  padding: var(--space-24);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--duration-normal) var(--ease-standard);
}

.feature-highlight-card:hover {
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--space-16);
}

.feature-highlight-card h3 {
  color: var(--color-text);
  margin-bottom: var(--space-12);
}

.feature-highlight-card p {
  color: var(--color-text-secondary);
  margin: 0;
}

/* ===== CALL TO ACTION ===== */

.cta-section {
  padding: var(--space-32) 0;
  background: linear-gradient(to right, var(--color-primary), var(--color-primary-hover));
  color: var(--color-btn-primary-text);
  text-align: center;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-16);
}

.cta-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-24);
  opacity: 0.9;
}

.cta-actions {
  display: flex;
  gap: var(--space-16);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== FOOTER ===== */

.footer {
  background: var(--color-text);
  color: var(--color-surface);
  padding: var(--space-32) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-24);
}

.footer-section h4 {
  color: var(--color-primary);
  margin-bottom: var(--space-12);
}

.footer-section p {
  margin-bottom: var(--space-8);
  opacity: 0.8;
}

.footer-link {
  display: block;
  color: var(--color-surface);
  text-decoration: none;
  margin-bottom: var(--space-4);
  opacity: 0.8;
  transition: opacity var(--duration-fast) var(--ease-standard);
}

.footer-link:hover {
  opacity: 1;
  color: var(--color-primary);
}

/* ===== RESPONSIVE DESIGN ===== */

@media (max-width: 768px) {
  .videos-grid {
    grid-template-columns: 1fr;
    gap: var(--space-24);
  }
  
  .video-frame {
    padding: var(--space-16);
  }
  
  .videos-hero__title {
    font-size: var(--font-size-3xl);
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .features-cards {
    grid-template-columns: 1fr;
  }
  
  /* Ajustar decoraciones en móviles */
  .frame-decoration {
    width: 30px;
    height: 30px;
  }
  
  .frame-decoration::before {
    width: 15px;
    height: 15px;
  }
  
  .frame-flourish {
    width: 40px;
    height: 15px;
  }
}

@media (max-width: 480px) {
  .video-frame {
    padding: var(--space-12);
  }
  
  .videos-hero {
    padding: var(--space-24) 0;
  }
  
  .videos-section,
  .features-highlight,
  .cta-section {
    padding: var(--space-24) 0;
  }
  
  .videos-grid {
    grid-template-columns: 1fr;
    gap: var(--space-16);
  }
  
  .videos-hero__title {
    font-size: var(--font-size-2xl);
  }
  
  .videos-hero__description {
    font-size: var(--font-size-base);
  }
  
  .video-title {
    font-size: var(--font-size-lg);
  }
  
  .feature-highlight-card {
    padding: var(--space-16);
  }
  
  .cta-title {
    font-size: var(--font-size-2xl);
  }
  
  .cta-description {
    font-size: var(--font-size-base);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-16);
  }
}

/* ===== ANIMACIONES ADICIONALES ===== */

@keyframes videoFrameEntry {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.video-frame {
  animation: videoFrameEntry 0.6s ease-out forwards;
}

.video-frame:nth-child(1) { animation-delay: 0.1s; }
.video-frame:nth-child(2) { animation-delay: 0.2s; }
.video-frame:nth-child(3) { animation-delay: 0.3s; }
.video-frame:nth-child(4) { animation-delay: 0.4s; }
.video-frame:nth-child(5) { animation-delay: 0.5s; }
.video-frame:nth-child(6) { animation-delay: 0.6s; }

/* Efecto para reducir motion si el usuario lo prefiere */
@media (prefers-reduced-motion: reduce) {
  .video-frame {
    animation: none;
  }
  
  .modern-frame::before,
  .frame-glow {
    animation: none;
  }
  
  * {
    transition: none !important;
  }
}
.cta-section--white-text,
.cta-section--white-text h2,
.cta-section--white-text p {
  color: #fff !important;
}