/* ============================================================
   DANIEL MARCIALES — SISTEMA DE DISEÑO
   Stack: HTML semántico + CSS puro + Vanilla JS
   Tipografía: Plus Jakarta Sans (Google Fonts)
   ============================================================ */

/* ------------------------------------------------------------
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ------------------------------------------------------------ */
:root {
  /* Paleta de color — Turquesa/Azul Profesional */
  --color-primary:       #0057D9;
  --color-primary-dark:  #0047B3;
  --color-primary-light: #59CBE8;
  --color-primary-bg:    #EBF5FB;
  --color-secondary:     #0F172A;
  --color-accent:        #00A8C6;
  /* Superficies */
  --color-surface:       #FFFFFF;
  --color-surface-dark:  #F8FAFC;
  --color-background:    #F1F5F9;
  --color-border:        #E2E8F0;
  --color-border-dark:   #CBD5E1;

  /* Textos */
  --color-text-primary:   #0F172A;
  --color-text-secondary: #475569;
  --color-text-muted:     #64748B;

  /* Feedback */
  --color-success: #10B981;
  --color-error:   #EF4444;

  /* Tipografía */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Escala tipográfica */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  /* Pesos */
  --font-light:      300;
  --font-normal:     400;
  --font-medium:     500;
  --font-semibold:   600;
  --font-bold:       700;
  --font-extrabold:  800;

  /* Espaciado */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border radius */
  --radius-sm:   0.375rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.5rem;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm:  0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md:  0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -1px rgba(15, 23, 42, 0.06);
  --shadow-lg:  0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
  --shadow-xl:  0 20px 25px -5px rgba(15, 23, 42, 0.10), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
  --shadow-primary: 0 8px 24px rgba(0, 87, 217, 0.25);

  /* Transiciones */
  --transition-fast:   150ms ease;
  --transition-base:   200ms ease;
  --transition-slow:   300ms ease;

  /* Navbar height */
  --navbar-height: 70px;

  /* Container */
  --container-max: 1200px;
  --container-pad: 1.5rem;

  /* Z-index */
  --z-base:    1;
  --z-above:   10;
  --z-navbar:  100;
  --z-overlay: 200;
  --z-modal:   300;
  --z-top:     999;

  /* Color scheme — le dice al browser que gestionamos dark mode nosotros */
  color-scheme: light dark;
}

/* ------------------------------------------------------------
   2. RESET & NORMALIZE
   ------------------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: 1.65;
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg {
  display: block;
  max-width: 100%;
}

ul, ol { list-style: none; }

a {
  color: inherit;
  text-decoration: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: 1.2;
  color: var(--color-text-primary);
}

p { margin-bottom: var(--space-4); }
p:last-child { margin-bottom: 0; }

/* El atributo HTML `hidden` siempre tiene prioridad sobre cualquier display de clase */
[hidden] { display: none !important; }

/* ------------------------------------------------------------
   3. ACCESIBILIDAD
   ------------------------------------------------------------ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: var(--z-top);
  background: var(--color-primary);
  color: white;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: var(--font-semibold);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ------------------------------------------------------------
   4. LAYOUT UTILITIES
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section-label--light {
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.12);
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  color: var(--color-secondary);
  margin-bottom: var(--space-4);
  line-height: 1.15;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin-inline: auto;
}

/* ------------------------------------------------------------
   5. BOTONES
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  padding: 0.875rem 1.75rem;
}

.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.btn--sm {
  font-size: var(--text-sm);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
}

.btn--lg {
  font-size: var(--text-lg);
  padding: 1rem 2rem;
}

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

.btn--primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-primary);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(0, 87, 217, 0.32);
}
.btn--primary:active { transform: translateY(0); }

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border-dark);
}
.btn--outline:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
}

.btn--primary-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--primary-outline:hover {
  background: var(--color-primary);
  color: white;
}

.btn--light {
  background: rgba(255,255,255,0.12);
  color: white;
  border-color: rgba(255,255,255,0.2);
}
.btn--light:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.4);
}

.btn--light-outline {
  background: transparent;
  color: rgba(255,255,255,0.9);
  border-color: rgba(255,255,255,0.3);
}
.btn--light-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}

.btn--white {
  background: white;
  color: var(--color-primary);
  border-color: white;
  font-weight: var(--font-bold);
}
.btn--white:hover {
  background: var(--color-primary-bg);
  border-color: var(--color-primary-bg);
  transform: translateY(-1px);
}

.btn--resource {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  padding: 0.6rem 1.1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: white;
  transition: all var(--transition-base);
  align-self: flex-start;
  margin-top: var(--space-4);
}
.btn--resource:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.btn-spinner {
  animation: spin 0.8s linear infinite;
}

/* ------------------------------------------------------------
   6. CHIP / BADGE
   ------------------------------------------------------------ */
.chip {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border: 1px solid rgba(0, 87, 217, 0.15);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  line-height: 1.5;
}

/* ------------------------------------------------------------
   7. ANIMATIONS (Scroll Reveal)
   ------------------------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--right {
  transform: translateX(32px);
}
.reveal--right.is-visible {
  transform: translateX(0);
}

.reveal--left {
  transform: translateX(-32px);
}
.reveal--left.is-visible {
  transform: translateX(0);
}

.reveal--up {
  transform: translateY(40px);
}
.reveal--up.is-visible {
  transform: translateY(0);
}

/* Stagger for grid children */
.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }

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

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.7; transform: scale(1.2); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}

@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}

@keyframes glow-breathe {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.68; }
}

@keyframes tech-float {
  0%, 100% { transform: translateY(0px)   rotate(0deg);  opacity: 0.10; }
  33%       { transform: translateY(-16px) rotate(8deg);  opacity: 0.20; }
  66%       { transform: translateY(-8px)  rotate(-4deg); opacity: 0.14; }
}

@keyframes tech-float-alt {
  0%, 100% { transform: translateY(0px)  rotate(45deg); opacity: 0.08; }
  50%       { transform: translateY(14px) rotate(60deg); opacity: 0.16; }
}

/* ------------------------------------------------------------
   8. COOKIE BANNER
   ------------------------------------------------------------ */
.cookie-banner {
  position: fixed;
  bottom: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-top);
  background: var(--color-secondary);
  color: white;
  border-radius: var(--radius-xl);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.3);
  animation: slideUpFade 0.4s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  max-width: 860px;
  margin-inline: auto;
}

@keyframes slideUpFade {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.cookie-banner__content {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-5) var(--space-6);
}

.cookie-banner__text { flex: 1; }
.cookie-banner__heading {
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
  color: white;
}

.cookie-banner__text p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.75);
  margin-bottom: 0;
}

.cookie-banner__link {
  color: var(--color-primary-light);
  text-decoration: underline;
}
.cookie-banner__link:hover { color: white; }

.cookie-banner__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* ------------------------------------------------------------
   9. BACK TO TOP
   ------------------------------------------------------------ */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-5);
  z-index: var(--z-above);
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(8px);
}

.back-to-top:not([hidden]) {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ------------------------------------------------------------
   10. MOBILE BOTTOM BAR
   ------------------------------------------------------------ */
.mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-overlay);
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-2) 0;
  padding-bottom: calc(var(--space-2) + env(safe-area-inset-bottom));
}

.mobile-bar__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  color: rgba(255,255,255,0.65);
  font-size: 10px;
  font-weight: var(--font-medium);
  padding: var(--space-2);
  transition: color var(--transition-fast);
  min-height: 44px;
  justify-content: center;
}

.mobile-bar__item:hover,
.mobile-bar__item:focus-visible {
  color: white;
}

/* ------------------------------------------------------------
   11. NAVBAR
   ------------------------------------------------------------ */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-navbar);
  height: var(--navbar-height);
  background: linear-gradient(135deg, var(--color-secondary) 0%, #1E2D5A 100%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: border-color var(--transition-slow), box-shadow var(--transition-slow);
}

.navbar.is-scrolled {
  border-bottom-color: rgba(255,255,255,0.10);
  box-shadow: 0 4px 28px rgba(0,0,0,0.35);
}

.navbar__container {
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--font-bold);
  font-size: var(--text-base);
  color: white;
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}
.navbar__logo:hover { opacity: 0.75; }

.navbar__logo-mark {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: white;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--font-extrabold);
  letter-spacing: 0;
  flex-shrink: 0;
}

.navbar__logo-text { font-size: var(--text-base); }

.navbar__logo-img {
  height: 52px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}

.footer__logo-img {
  height: 56px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}

.navbar__nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.navbar__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.navbar__link:hover,
.navbar__link.is-active {
  color: #59CBE8;
  background: rgba(89,203,232,0.08);
}

.navbar__cta { flex-shrink: 0; }

.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.navbar__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: rgba(255,255,255,0.75);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform-origin: center;
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ------------------------------------------------------------
   12. HERO
   ------------------------------------------------------------ */
.hero {
  position: relative;
  min-height: calc(100vh - var(--navbar-height));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: white;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__bg-circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.06;
}

.hero__bg-circle--1 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  top: -200px;
  right: -100px;
}

.hero__bg-circle--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
  opacity: 0.04;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--color-border) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.5;
}

.hero__container {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  position: relative;
  z-index: var(--z-base);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border: 1px solid rgba(0, 87, 217, 0.2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  line-height: 1.1;
  color: var(--color-secondary);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero__title-accent {
  color: var(--color-primary);
  position: relative;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: var(--space-8);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-12);
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.hero__stat { text-align: center; }
.hero__stat-number {
  display: block;
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}
.hero__stat-label {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.hero__stat-divider {
  width: 1px;
  height: 36px;
  background: var(--color-border);
}

/* Hero visual / photo */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__photo-wrapper {
  position: relative;
  width: 320px;
  height: 380px;
}

.hero__photo-frame {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: linear-gradient(145deg, var(--color-primary) 0%, var(--color-accent) 100%);
  box-shadow: var(--shadow-xl);
}

.hero__photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.hero__photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  font-weight: var(--font-extrabold);
  color: rgba(255,255,255,0.35);
  letter-spacing: -0.02em;
  user-select: none;
}

.hero__photo-deco {
  position: absolute;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-primary-bg), white);
  border: 2px solid var(--color-border);
  z-index: -1;
}

.hero__photo-deco--1 {
  width: 100%;
  height: 100%;
  top: 16px;
  right: -16px;
  z-index: -1;
  opacity: 0.6;
}

.hero__photo-tag {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  z-index: var(--z-base);
}

.hero__photo-tag--1 {
  bottom: var(--space-10);
  left: -var(--space-8);
  left: -24px;
  animation: float 4s ease-in-out infinite;
}

.hero__photo-tag--2 {
  top: var(--space-8);
  right: -var(--space-8);
  right: -20px;
  animation: float 5s ease-in-out infinite reverse;
}

.hero__photo-tag svg { color: var(--color-primary); }

.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  animation: float 2.5s ease-in-out infinite;
}
.hero__scroll:hover { color: var(--color-primary); }

/* ------------------------------------------------------------
   13. ABOUT
   ------------------------------------------------------------ */
.about {
  padding: var(--space-24) 0;
  background: var(--color-surface-dark);
}

.about__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about__photo-wrapper {
  position: relative;
  max-width: 420px;
  margin-inline: auto;
}

.about__photo-wrapper img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  display: block;
}

.about__photo-placeholder {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4.5rem;
  font-weight: var(--font-extrabold);
  color: rgba(255,255,255,0.3);
  box-shadow: var(--shadow-lg);
}

.about__photo-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-2xl);
}

.about__photo-accent {
  position: absolute;
  bottom: -var(--space-4);
  bottom: -16px;
  left: -var(--space-4);
  left: -16px;
  width: 120px;
  height: 120px;
  background: var(--color-primary);
  border-radius: var(--radius-2xl);
  z-index: -1;
  opacity: 0.12;
}

.about__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.about__text p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  font-size: var(--text-base);
}

.about__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

/* ------------------------------------------------------------
   14. TRAJECTORY
   ------------------------------------------------------------ */
.trajectory {
  padding: var(--space-16) 0;
  background: linear-gradient(135deg, var(--color-secondary) 0%, #1E2D5A 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.trajectory::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 85% 50%, rgba(0, 87, 217, 0.30) 0%, transparent 65%),
    radial-gradient(ellipse 55% 70% at 15% 25%, rgba(0, 168, 198, 0.18) 0%, transparent 60%),
    radial-gradient(circle, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 28px 28px;
  pointer-events: none;
  animation: glow-breathe 10s ease-in-out infinite;
}

/* Anillo flotante — sprint/iteración ágil. Oculto en móvil */
.trajectory::after {
  content: '';
  position: absolute;
  display: none;
  width: 380px;
  height: 380px;
  border: 1.5px solid rgba(89, 203, 232, 0.12);
  border-radius: 50%;
  bottom: -130px;
  right: 4%;
  pointer-events: none;
  animation: tech-float 20s ease-in-out infinite;
  box-shadow: inset 0 0 0 60px rgba(89, 203, 232, 0.03);
}

.trajectory__container {
  position: relative;
  z-index: var(--z-base);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: start;
}

.trajectory__header {
  text-align: left;
}

.trajectory__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  color: white;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  line-height: 1.15;
}

.trajectory__subtitle {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.65);
  line-height: 1.75;
  margin-bottom: var(--space-8);
}

/* Lista de experiencia con apariencia de timeline */
.exp-list {
  list-style: none;
  margin-bottom: var(--space-10);
  position: relative;
  padding-left: 24px; /* espacio para la línea + dot */
}

/* Línea vertical continua */
.exp-list::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(
    to bottom,
    var(--color-primary-light),
    rgba(89, 203, 232, 0.15)
  );
}

.exp-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  padding: var(--space-4) 0;
  position: relative;
  transition: opacity var(--transition-fast);
}

/* Dot sobre la línea */
.exp-row::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(89, 203, 232, 0.5);
  flex-shrink: 0;
}

.exp-row--current::before {
  background: var(--color-primary-light);
  border-color: white;
  box-shadow: 0 0 0 3px rgba(89, 203, 232, 0.2);
}

.exp-row--current .exp-role {
  color: white;
}

/* Columna de fechas — ancho fijo */
.exp-period {
  flex-shrink: 0;
  width: 138px;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.04em;
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.exp-period time {
  color: rgba(255,255,255,0.6);
}

.exp-badge {
  font-size: 10px;
  font-weight: var(--font-bold);
  color: white;
  background: var(--color-primary);
  padding: 1px 7px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  line-height: 1.6;
}

/* Columna de cargo + empresa */
.exp-info {
  flex: 1;
  min-width: 0;
}

.exp-role {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: rgba(255,255,255,0.85);
  line-height: 1.35;
  margin-bottom: 2px;
}

.exp-company {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: rgba(255,255,255,0.42);
  line-height: 1.4;
}

.exp-desc {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.40);
  line-height: 1.7;
  margin-top: var(--space-3);
  max-width: 520px;
}

.trajectory__actions {
  display: flex;
  justify-content: flex-start;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ------------------------------------------------------------
   15. RESOURCES (AGILIZANDO ANDO)
   ------------------------------------------------------------ */
.resources {
  padding: var(--space-24) 0;
  background: white;
}

.resources__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.resource-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  cursor: default;
}

.resource-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 87, 217, 0.2);
  transform: translateY(-3px);
}

.resource-card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-bg);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  flex-shrink: 0;
}

.resource-card__content { flex: 1; }

.resource-card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.resource-card__desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ------------------------------------------------------------
   16. SERVICES
   ------------------------------------------------------------ */
.services {
  padding: var(--space-24) 0;
  background: var(--color-surface-dark);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.service-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.service-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px);
  border-color: rgba(0, 87, 217, 0.2);
}

.service-card__img-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  flex-shrink: 0;
}

.service-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card__img {
  transform: scale(1.06);
}

.service-card__img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,0.18) 100%);
}

.service-card__body {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex: 1;
}

.service-card--featured {
  background: white;
  border-color: transparent;
  box-shadow: 0 4px 24px rgba(0, 87, 217, 0.12);
}

.service-card--featured .service-card__img-overlay {
  background: linear-gradient(to bottom, rgba(0,87,217,0.08) 0%, rgba(0,87,217,0.32) 100%);
}

.service-card--featured .service-card__body {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2F4CE0 100%);
}

.service-card--featured .service-card__title { color: white; }
.service-card--featured .service-card__desc  { color: rgba(255,255,255,0.85); }

.service-card--featured:hover {
  box-shadow: 0 20px 40px rgba(0, 87, 217, 0.35);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  background: var(--color-primary-bg);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.service-card--featured .service-card__icon {
  background: rgba(255,255,255,0.18);
  color: white;
}

/* El body de la tarjeta destacada es azul fijo (no cambia con el tema),
   así que el hover del botón --white tampoco debe depender de
   --color-primary-bg (en dark mode es translúcido y el texto azul
   se pierde contra el fondo azul). Se fija un valor claro constante. */
.service-card--featured .btn--white:hover {
  background: #EBF5FB;
  border-color: #EBF5FB;
}

.service-card__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-secondary);
  line-height: 1.2;
}

.service-card__desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.75;
  flex: 1;
}

/* ------------------------------------------------------------
   17. BRANDS MARQUEE
   ------------------------------------------------------------ */
.brands {
  padding: var(--space-20) 0;
  background: var(--color-background);
  overflow: hidden;
}

.brands__marquee-wrapper {
  overflow: hidden;
  width: 100%;
  margin-top: var(--space-10);
  position: relative;
}

.brands__marquee-wrapper::before,
.brands__marquee-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: var(--z-base);
  pointer-events: none;
}

.brands__marquee-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--color-background), transparent);
}

.brands__marquee-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--color-background), transparent);
}

.brands__track {
  display: flex;
  gap: var(--space-8);
  width: max-content;
  animation: marquee 32s linear infinite;
  will-change: transform;
}

.brands__marquee-wrapper:hover .brands__track {
  animation-play-state: paused;
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 64px;
  padding: 0 var(--space-8);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  min-width: 160px;
  transition: all var(--transition-base);
  cursor: default;
  flex-shrink: 0;
}

.brand-logo:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-dark);
}

.brand-logo span {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-logo img {
  max-height: 36px;
  max-width: 120px;
  width: auto;
  filter: grayscale(1) opacity(0.55);
  transition: filter var(--transition-base);
}

.brand-logo:hover img { filter: grayscale(0) opacity(1); }

/* ------------------------------------------------------------
   18. CERTIPROF
   ------------------------------------------------------------ */
.certiprof {
  padding: var(--space-24) 0;
  background: linear-gradient(135deg, var(--color-secondary) 0%, #1E2D5A 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.certiprof::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 15% 50%, rgba(0, 87, 217, 0.30) 0%, transparent 65%),
    radial-gradient(ellipse 55% 70% at 85% 25%, rgba(0, 168, 198, 0.18) 0%, transparent 60%),
    radial-gradient(circle, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 28px 28px;
  pointer-events: none;
  animation: glow-breathe 12s ease-in-out infinite;
}

/* Diamante flotante — badge/certificación. Oculto en móvil */
.certiprof::after {
  content: '';
  position: absolute;
  display: none;
  width: 260px;
  height: 260px;
  border: 1.5px solid rgba(0, 168, 198, 0.14);
  top: -80px;
  left: 8%;
  pointer-events: none;
  animation: tech-float-alt 16s ease-in-out infinite;
  transform: rotate(45deg);
}

.certiprof__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
  position: relative;
  z-index: 1;
}

.certiprof__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-5);
  color: white;
}

.brand-name {
  color: #59CBE8;
}

.certiprof__desc {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.70);
  line-height: 1.75;
}

.certiprof__badge-row {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin: var(--space-8) 0;
  flex-wrap: wrap;
}

.certiprof__badge {
  flex-shrink: 0;
}

.certiprof__badge-img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
  border: 2px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 0 8px rgba(255, 255, 255, 0.05);
  display: block;
}

.certiprof__badge-placeholder {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 140px;
  height: 140px;
  background: rgba(255, 255, 255, 0.10);
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  color: white;
  box-shadow: 0 0 0 8px rgba(255, 255, 255, 0.05);
}

.certiprof__badge-placeholder span {
  font-size: var(--text-base);
  font-weight: var(--font-extrabold);
  line-height: 1;
  color: white;
}

.certiprof__badge-placeholder small {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-primary-light);
  margin-top: var(--space-1);
}

/* Accordion — contexto oscuro CertiProf */
.certiprof .accordion-item {
  border-color: rgba(255, 255, 255, 0.12);
}

.certiprof .accordion-item[open] {
  border-color: var(--color-primary-light);
}

.certiprof .accordion-header {
  background: rgba(255, 255, 255, 0.06);
}

.certiprof .accordion-header:hover {
  background: rgba(255, 255, 255, 0.12);
}

.certiprof .accordion-item[open] .accordion-header {
  background: rgba(255, 255, 255, 0.10);
}

.certiprof .accordion-header__title {
  color: white;
}

.certiprof .accordion-header__icon {
  color: rgba(255, 255, 255, 0.50);
}

.certiprof .accordion-item[open] .accordion-header__icon {
  color: var(--color-primary-light);
}

.certiprof .accordion-body {
  background: rgba(255, 255, 255, 0.04);
  border-top-color: rgba(255, 255, 255, 0.10);
}

.certiprof .accordion-body p {
  color: rgba(255, 255, 255, 0.68);
}

/* Accordion */
.accordion { display: flex; flex-direction: column; gap: var(--space-3); }

.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.accordion-item[open] {
  border-color: var(--color-primary);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  user-select: none;
  list-style: none;
  background: var(--color-surface-dark);
  transition: background var(--transition-fast);
}

.accordion-header:hover { background: var(--color-primary-bg); }
.accordion-item[open] .accordion-header { background: var(--color-primary-bg); }

.accordion-header::-webkit-details-marker { display: none; }

.accordion-header__title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-secondary);
}

.accordion-header__icon {
  color: var(--color-text-secondary);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.accordion-item[open] .accordion-header__icon {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.accordion-body {
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid var(--color-border);
  background: white;
}

.accordion-body p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

.accordion-cert-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  margin-top: var(--space-5);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

/* ------------------------------------------------------------
   19. BLOG
   ------------------------------------------------------------ */
.blog {
  padding: var(--space-24) 0;
  background: var(--color-surface-dark);
}

.blog__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
  min-height: 280px;
}

.blog__cta { text-align: center; }

/* Blog post card */
.blog-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.blog-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: rgba(0, 87, 217, 0.2);
}

.blog-card__image {
  aspect-ratio: 16 / 9;
  background: var(--color-primary-bg);
  overflow: hidden;
  position: relative;
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-card__image img { transform: scale(1.04); }

.blog-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.blog-card__date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-medium);
}

.blog-card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  flex: 1;
  margin-bottom: var(--space-5);
}

.blog-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  transition: gap var(--transition-fast);
  align-self: flex-start;
}
.blog-card__link:hover { gap: var(--space-3); }

/* Blog skeleton loader */
.blog-skeleton {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
}

.skeleton-image {
  height: 200px;
  background: var(--color-border);
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-body { padding: var(--space-6); }

.skeleton-line {
  height: 14px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}
.skeleton-line.short { width: 60%; }
.skeleton-line.xshort { width: 35%; }
.skeleton-line:nth-child(2) { animation-delay: 0.2s; }
.skeleton-line:nth-child(3) { animation-delay: 0.4s; }

/* Blog states */
.blog-empty, .blog-error {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-16) var(--space-8);
  color: var(--color-text-secondary);
}

.blog-error a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ------------------------------------------------------------
   20. CONTACT
   ------------------------------------------------------------ */
.contact {
  padding: var(--space-24) 0;
  background: white;
}

.contact__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}

.contact__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  color: var(--color-secondary);
}

.contact__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-8);
}

.contact__channels {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact__channel {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.contact__channel:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-dark);
  transform: translateX(4px);
}

.contact__channel-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__channel-icon--whatsapp {
  background: #DCF8C6;
  color: #25D366;
}

.contact__channel-icon--linkedin {
  background: #E8F0FE;
  color: #0077B5;
}

.contact__channel-icon--email {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.contact__channel-icon--instagram {
  background: #FCE4EC;
  color: #E1306C;
}

.contact__channel-info { flex: 1; }
.contact__channel-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.contact__channel-value {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: var(--space-5); }

.contact__form-wrapper {
  background: var(--color-surface-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
}

.form-group { display: flex; flex-direction: column; gap: var(--space-2); }

/* Honeypot anti-spam: oculto para personas, visible para bots simples */
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: white;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
}

.form-input::placeholder { color: var(--color-text-muted); }

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 87, 217, 0.1);
}

.form-input.is-error { border-color: var(--color-error); }
.form-input.is-error:focus { box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1); }

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  font-weight: var(--font-medium);
  min-height: 1em;
}

.form-group--checkbox {
  flex-direction: column;
  gap: var(--space-2);
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
}

.form-checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  cursor: pointer;
  margin-top: 1px;
  accent-color: var(--color-primary);
}

.form-checkbox-label a {
  color: var(--color-primary);
  text-decoration: underline;
}

.form-success {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  border-radius: var(--radius-lg);
  color: #065F46;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}
.form-success svg { color: var(--color-success); flex-shrink: 0; }

.form-fail {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: var(--radius-lg);
  color: #991B1B;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}
.form-fail svg { color: var(--color-error); flex-shrink: 0; }

/* ------------------------------------------------------------
   21. CTA FINAL
   ------------------------------------------------------------ */
.cta-final {
  padding: var(--space-24) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1E3AB8 100%);
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

.cta-final__container {
  position: relative;
  z-index: var(--z-base);
  text-align: center;
}

.cta-final__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  color: white;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--space-5);
}

.cta-final__subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: 1.7;
}

/* ------------------------------------------------------------
   22. FOOTER
   ------------------------------------------------------------ */
.footer {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #1E2D5A 100%);
  color: rgba(255,255,255,0.75);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 90% 20%, rgba(0, 87, 217, 0.25) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 10% 80%, rgba(0, 168, 198, 0.15) 0%, transparent 55%),
    radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 28px 28px;
  pointer-events: none;
}

.footer__container,
.footer__bottom-inner {
  position: relative;
}

.footer__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-top: var(--space-16);
  padding-bottom: var(--space-10);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
  color: white;
  margin-bottom: var(--space-5);
}

.footer__desc {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: rgba(255,255,255,0.85);
  max-width: 300px;
  margin-bottom: 0;
}

.footer__socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.footer__social {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.65);
  transition: all var(--transition-fast);
}

.footer__social:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.footer__nav-title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: #59CBE8;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.footer__nav-list { display: flex; flex-direction: column; gap: var(--space-3); }

.footer__nav-link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.85);
  transition: color var(--transition-fast);
}
.footer__nav-link:hover { color: white; }

.footer__contact-list { display: flex; flex-direction: column; gap: var(--space-3); }

.footer__contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.85);
  transition: color var(--transition-fast);
}
.footer__contact-link:hover { color: white; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-6) 0;
}

.footer__bottom-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
}

.footer__copy {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.4);
  margin-bottom: 0;
}

.footer__privacy {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  text-decoration: underline;
  transition: color var(--transition-fast);
}
.footer__privacy:hover { color: white; }

/* ============================================================
   RESPONSIVE — TABLET (≥ 768px)
   ============================================================ */
@media (min-width: 768px) {

  :root { --container-pad: 2rem; }

  .section-title { font-size: var(--text-4xl); }

  /* Hero */
  .hero__title { font-size: var(--text-5xl); }
  .hero__container {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
  .hero__visual { justify-content: flex-end; }
  .hero__photo-wrapper { width: 380px; height: 440px; }

  /* About */
  .about__container {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }

  /* Trajectory — 2 columnas */
  .trajectory__container {
    grid-template-columns: 1fr 1.1fr;
    gap: var(--space-16);
    align-items: center;
  }
  .trajectory__title { font-size: var(--text-4xl); }
  .exp-list { margin-bottom: 0; }

  /* Resources */
  .resources__grid { grid-template-columns: repeat(2, 1fr); }

  /* Services */
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .service-card__img-wrap {
    height: 240px;
  }

  /* CertiProf */
  .certiprof__container {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-16);
  }

  /* Blog */
  .blog__grid { grid-template-columns: repeat(2, 1fr); }

  /* Contact */
  .contact__container { grid-template-columns: 1fr 1fr; }

  /* Footer */
  .footer__container { grid-template-columns: 1.5fr 1fr 1fr; }

  .footer__bottom-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  /* Mobile bar: oculta en tablet y desktop */
  .mobile-bar {
    display: none;
  }
}

/* ============================================================
   RESPONSIVE — DESKTOP (≥ 1024px)
   ============================================================ */
@media (min-width: 1024px) {

  :root { --container-pad: 2.5rem; }

  /* Navbar */
  .navbar__toggle { display: none; }
  .navbar__nav { display: flex !important; }

  /* Hero */
  .hero__title { font-size: var(--text-6xl); }
  .hero__photo-wrapper { width: 420px; height: 500px; }

  /* Trajectory & CertiProf — anillos flotantes visibles en desktop */
  .trajectory::after,
  .certiprof::after { display: block; }


  /* Blog */
  .blog__grid { grid-template-columns: repeat(3, 1fr); }

  /* Footer */
  .footer__container { grid-template-columns: 2fr 1fr 1fr; }
}

/* ============================================================
   MOBILE ONLY (<768px)
   ============================================================ */
@media (max-width: 767px) {

  /* Navbar mobile */
  .navbar__cta { display: none; }
  .navbar__logo-text { display: block; }
  .navbar__toggle { display: flex; }

  /* Logo a la izq, toggle a la der */
  .navbar__container { justify-content: space-between; }

  /* Toggle — caja tech sobre navbar oscuro */
  .navbar__toggle {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.14);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    padding: 0 9px;
    transition: background var(--transition-base), border-color var(--transition-base);
  }

  .navbar__toggle-bar {
    height: 2px;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
  }

  .navbar__toggle-bar:nth-child(2) { width: 65%; align-self: flex-start; }

  /* Toggle abierto */
  .navbar__toggle[aria-expanded="true"] {
    background: rgba(255,255,255,0.14);
    border-color: rgba(255,255,255,0.22);
  }
  .navbar__toggle[aria-expanded="true"] .navbar__toggle-bar {
    background: white;
    width: 100%;
  }
  .navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }
  .navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Panel oscuro tech — full screen */
  .navbar__nav {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(160deg, var(--color-secondary) 0%, #19284E 100%);
    padding: var(--space-6) var(--container-pad) calc(64px + var(--space-6));
    display: none;
    flex-direction: column;
    justify-content: center;
    z-index: calc(var(--z-navbar) - 1);
    overflow: hidden;
  }

  /* Dot grid — cubre todo el panel con inset:0 */
  .navbar__nav::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.045) 1px, transparent 1px);
    background-size: 22px 22px;
    pointer-events: none;
    z-index: 0;
  }

  /* Glows con % para que escalen bien en cualquier pantalla */
  .navbar__nav::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 70% 50% at 90% 15%, rgba(0,87,217,0.28) 0%, transparent 60%),
      radial-gradient(ellipse 55% 45% at 10% 85%, rgba(89,203,232,0.13) 0%, transparent 55%);
    pointer-events: none;
    z-index: 0;
  }

  @keyframes menuFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
  }

  .navbar__nav.is-open {
    display: flex;
    animation: menuFadeIn 0.25s ease;
  }

  /* Lista de links */
  .navbar__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
    position: relative;
    z-index: 1;
    margin-bottom: var(--space-6);
  }

  /* Línea divisoria entre items, excl. CTA */
  .navbar__list > li:not(.navbar__item--cta) {
    border-bottom: 1px solid rgba(255,255,255,0.06);
    width: 100%;
  }

  .navbar__link {
    color: rgba(255,255,255,0.85);
    padding: var(--space-4) 0;
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    background: transparent;
    border-radius: 0;
    transition: color var(--transition-fast), transform var(--transition-fast);
    letter-spacing: -0.01em;
  }

  .navbar__link:hover,
  .navbar__link.is-active {
    color: #59CBE8;
    background: transparent;
    transform: translateX(8px);
  }


  /* Hero mobile */
  .hero__title { font-size: var(--text-3xl); }
  .hero__container {
    grid-template-columns: 1fr;
    padding-top: var(--space-10);
    padding-bottom: var(--space-20);
  }

  .hero__visual { order: 1; }
  .about__visual { order: 1; }
  .hero__photo-wrapper { width: 260px; height: 300px; }
  .hero__photo-tag--1 { display: none; }
  .hero__photo-tag--2 { display: none; }
  .hero__scroll { display: none; }
  .hero__stats { gap: var(--space-4); }

  /* Sections */
  .about { padding: var(--space-16) 0; }
  .trajectory { padding: var(--space-16) 0; }
  .resources { padding: var(--space-16) 0; }
  .services { padding: var(--space-16) 0; }
  .brands { padding: var(--space-12) 0; }
  .certiprof { padding: var(--space-16) 0; }
  .blog { padding: var(--space-16) 0; }
  .contact { padding: var(--space-16) 0; }
  .cta-final { padding: var(--space-16) 0; }

  .section-title { font-size: var(--text-2xl); }

  /* Mobile bar */
  .mobile-bar {
    display: flex;
  }

  /* Extra padding for mobile bar */
  .footer { padding-bottom: 64px; }

  /* Cookie banner above mobile bar */
  .cookie-banner {
    bottom: calc(var(--space-4) + 64px);
  }

  .cookie-banner__content {
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-5);
  }

  .cookie-banner__actions {
    width: 100%;
    justify-content: flex-end;
  }

  /* CTA final */
  .cta-final__title { font-size: var(--text-2xl); }

  /* Trajectory — mobile: una columna */
  .trajectory__container { grid-template-columns: 1fr; gap: var(--space-8); }
  .trajectory__title { font-size: var(--text-3xl); }
  .exp-list { margin-bottom: 0; }

  /* Lista de experiencia en mobile: fecha encima del cargo */
  .exp-row {
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-3) 0;
  }
  .exp-row::before {
    top: 5px;
  }
  .exp-period {
    width: auto;
  }

  /* Contact */
  .contact__title { font-size: var(--text-3xl); }

  /* Back to top above mobile bar */
  .back-to-top { bottom: calc(var(--space-8) + 60px); }
}

/* ============================================================
   PRIVACIDAD PAGE SPECIFIC
   ============================================================ */
.privacy-page {
  padding: var(--space-16) 0 var(--space-24);
  background: var(--color-surface-dark);
}

.privacy-content {
  max-width: 760px;
  margin-inline: auto;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
}

.privacy-content h1 {
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.privacy-content .privacy-date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.privacy-content h2 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-secondary);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.privacy-content p, .privacy-content li {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.privacy-content ul {
  list-style: disc;
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

.privacy-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.privacy-content .privacy-disclaimer {
  background: var(--color-primary-bg);
  border: 1px solid rgba(0, 87, 217, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  margin-top: var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: var(--font-medium);
}

/* ============================================================
   ENHANCED ANIMATIONS & MICRO-INTERACTIONS
   Reglas: solo transform/opacity (GPU). Hover en @media(hover:hover).
   ============================================================ */

/* ── 1. Stagger reveals: service cards ────────────────────── */
.services__grid .service-card:nth-child(2) { transition-delay: 0.13s; }
.services__grid .service-card:nth-child(3) { transition-delay: 0.26s; }

/* ── 2. Stagger reveals: resource cards ──────────────────── */
.resources__grid .resource-card:nth-child(2) { transition-delay: 0.10s; }
.resources__grid .resource-card:nth-child(3) { transition-delay: 0.20s; }
.resources__grid .resource-card:nth-child(4) { transition-delay: 0.30s; }

/* ── 3. Stagger cascade: timeline (se activa con el padre) ── */
.exp-list .exp-row {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.exp-list.is-visible .exp-row              { opacity: 1; transform: none; }
.exp-list.is-visible .exp-row:nth-child(1) { transition-delay: 0.15s; }
.exp-list.is-visible .exp-row:nth-child(2) { transition-delay: 0.26s; }
.exp-list.is-visible .exp-row:nth-child(3) { transition-delay: 0.37s; }
.exp-list.is-visible .exp-row:nth-child(4) { transition-delay: 0.48s; }
.exp-list.is-visible .exp-row:nth-child(5) { transition-delay: 0.59s; }
.exp-list.is-visible .exp-row:nth-child(6) { transition-delay: 0.70s; }

/* ── 4. Stagger cascade: accordion items (CertiProf) ─────── */
.accordion .accordion-item {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.certiprof__certs.is-visible .accordion-item              { opacity: 1; transform: none; }
.certiprof__certs.is-visible .accordion-item:nth-child(1) { transition-delay: 0.08s; }
.certiprof__certs.is-visible .accordion-item:nth-child(2) { transition-delay: 0.16s; }
.certiprof__certs.is-visible .accordion-item:nth-child(3) { transition-delay: 0.24s; }
.certiprof__certs.is-visible .accordion-item:nth-child(4) { transition-delay: 0.32s; }
.certiprof__certs.is-visible .accordion-item:nth-child(5) { transition-delay: 0.40s; }
.certiprof__certs.is-visible .accordion-item:nth-child(6) { transition-delay: 0.48s; }
.certiprof__certs.is-visible .accordion-item:nth-child(7) { transition-delay: 0.56s; }

/* ── 5. Nav link: underline que crece desde el centro ───────
   Solo desktop; en móvil el menú ya tiene translateX  ────── */
@media (min-width: 1024px) {
  .navbar__link { position: relative; }
  .navbar__link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #59CBE8;
    border-radius: 2px;
    transition: width 0.28s cubic-bezier(0.22, 1, 0.36, 1);
    pointer-events: none;
  }
  .navbar__link:hover::after,
  .navbar__link.is-active::after { width: 55%; }
}

/* ── 6. Service card: icono flota al hacer hover ─────────── */
.service-card__icon {
  transition: transform 0.38s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@media (hover: hover) {
  .service-card:hover .service-card__icon {
    transform: translateY(-5px) scale(1.12);
  }
}

/* ── 7. Resource card: icono rebota al hacer hover ────────── */
@keyframes icon-bounce {
  0%   { transform: translateY(0); }
  38%  { transform: translateY(-8px); }
  68%  { transform: translateY(-2px); }
  100% { transform: translateY(0); }
}
.resource-card__icon { transition: transform 0.2s ease; }
@media (hover: hover) {
  .resource-card:hover .resource-card__icon {
    animation: icon-bounce 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  }
}

/* ── 8. Shimmer en la card destacada de servicios ─────────── */
@keyframes shimmer-slide {
  from { transform: translateX(-120%) skewX(-18deg); }
  to   { transform: translateX(220%)  skewX(-18deg); }
}
.service-card--featured .service-card__body { position: relative; overflow: hidden; }
@media (hover: hover) {
  .service-card--featured:hover .service-card__body::after {
    content: '';
    position: absolute;
    inset: 0;
    width: 45%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.13), transparent);
    animation: shimmer-slide 0.7s ease forwards;
    pointer-events: none;
  }
}

/* ── 9. Footer socials: spring scale ─────────────────────── */
.footer__social svg {
  display: block;
  transition: transform 0.32s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@media (hover: hover) {
  .footer__social:hover svg { transform: scale(1.3) translateY(-2px); }
}

/* ── 10. Contact channel icon: rotate suave ──────────────── */
.contact__channel-icon {
  transition: transform 0.32s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@media (hover: hover) {
  .contact__channel:hover .contact__channel-icon {
    transform: scale(1.13) rotate(-8deg);
  }
}

/* ── 11. Blog card: flecha "leer más" desliza ─────────────── */
.blog-card__link svg {
  transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}
@media (hover: hover) {
  .blog-card:hover .blog-card__link svg { transform: translateX(5px); }
}

/* ── 12. Hero photo-tags: entrada escalonada ─────────────── */
.hero__photo-tag--1 {
  opacity: 0;
  transform: translateX(-16px);
  animation: tag-enter 0.55s cubic-bezier(0.22, 1, 0.36, 1) 0.9s forwards;
}
.hero__photo-tag--2 {
  opacity: 0;
  transform: translateX(16px);
  animation: tag-enter 0.55s cubic-bezier(0.22, 1, 0.36, 1) 1.2s forwards;
}
@keyframes tag-enter {
  to { opacity: 1; transform: none; }
}

/* ── 13. Stats: ping suave al aparecer ───────────────────── */
@keyframes stat-ping {
  0%   { transform: scale(0.85); opacity: 0; }
  60%  { transform: scale(1.05); }
  100% { transform: scale(1);    opacity: 1; }
}
.hero__stat-number { animation: stat-ping 0.55s cubic-bezier(0.22, 1, 0.36, 1) both; }
.hero__stat:nth-child(1) .hero__stat-number { animation-delay: 0.5s;  }
.hero__stat:nth-child(3) .hero__stat-number { animation-delay: 0.65s; }
.hero__stat:nth-child(5) .hero__stat-number { animation-delay: 0.80s; }

/* ── 14. Perf móvil: desactiva decorativos continuos en <768px */
@media (max-width: 767px) {
  .hero__photo-deco--1,
  .hero__photo-deco--2 { animation: none; }
  .hero__photo-tag--1,
  .hero__photo-tag--2  { animation-duration: 0.3s; }
}

/* ── prefers-reduced-motion: respeta preferencia del usuario ─ */
@media (prefers-reduced-motion: reduce) {
  .exp-list .exp-row,
  .accordion .accordion-item,
  .hero__photo-tag--1,
  .hero__photo-tag--2,
  .hero__stat-number {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ============================================================
   PÁGINA 404
   ============================================================ */

/* Sección principal ocupa toda la pantalla */
.body--404 {
  overflow: hidden;
}

/* Sección principal — mismo fondo oscuro que trajectory/certiprof */
.e404 {
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-secondary) 0%, #1E2D5A 100%);
  padding: var(--space-24) 0;
  min-height: 100vh;
}

/* Logo flotante — esquina superior izquierda */
.e404__logo-link {
  position: absolute;
  top: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-above);
  opacity: 0.90;
  transition: opacity var(--transition-fast);
}

.e404__logo-link:hover { opacity: 1; }

.e404__logo-img {
  height: 44px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}

/* Fondo decorativo */
.e404__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.e404__bg-glow {
  position: absolute;
  border-radius: 50%;
}

.e404__bg-glow--1 {
  width: 900px;
  height: 900px;
  background: radial-gradient(ellipse, rgba(0, 87, 217, 0.30) 0%, transparent 65%);
  top: -300px;
  right: -200px;
  animation: glow-breathe 10s ease-in-out infinite;
}

.e404__bg-glow--2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(0, 168, 198, 0.16) 0%, transparent 60%);
  bottom: -200px;
  left: -100px;
  animation: glow-breathe 14s ease-in-out infinite reverse;
}

.e404__bg-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 28px 28px;
}

/* Anillos flotantes — solo desktop */
.e404__ring {
  position: absolute;
  display: none;
  border-radius: 50%;
  pointer-events: none;
}

.e404__ring--1 {
  width: 500px;
  height: 500px;
  border: 1.5px solid rgba(89, 203, 232, 0.10);
  bottom: -180px;
  right: 5%;
  animation: tech-float 22s ease-in-out infinite;
  box-shadow: inset 0 0 0 80px rgba(89, 203, 232, 0.025);
}

.e404__ring--2 {
  width: 280px;
  height: 280px;
  border: 1.5px solid rgba(0, 168, 198, 0.12);
  top: -80px;
  left: 8%;
  animation: tech-float-alt 18s ease-in-out infinite;
  transform: rotate(45deg);
}

/* Contenedor */
.e404__container {
  position: relative;
  z-index: var(--z-base);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
  text-align: center;
}

/* Número 404 */
.e404__number-wrap {
  line-height: 1;
  user-select: none;
  animation: e404-number-in 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.e404__number {
  display: block;
  font-size: clamp(7rem, 22vw, 18rem);
  font-weight: var(--font-extrabold);
  letter-spacing: -0.06em;
  line-height: 0.85;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.07) 0%,
    rgba(89, 203, 232, 0.20) 50%,
    rgba(0, 87, 217, 0.12) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 60px rgba(89, 203, 232, 0.18));
  animation: e404-float 6s ease-in-out infinite;
}

@keyframes e404-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-14px); }
}

@keyframes e404-number-in {
  from { opacity: 0; transform: translateY(32px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Badge */
.e404__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}

.e404__badge-dot {
  width: 7px;
  height: 7px;
  background: #59CBE8;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
  flex-shrink: 0;
}

/* Título */
.e404__title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: var(--font-extrabold);
  color: white;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--space-5);
}

.e404__title-accent { color: #59CBE8; }

/* Subtítulo */
.e404__subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.60);
  line-height: 1.75;
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
}

/* Contenido — animación de entrada */
.e404__content {
  animation: e404-content-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
}

@keyframes e404-content-in {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Botón "Volver al inicio" */
.btn--e404-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: white;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border: 2px solid transparent;
  padding: 1.125rem 2.75rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 87, 217, 0.40), 0 2px 8px rgba(0,0,0,0.20);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Capa invertida del gradiente que aparece en hover */
.btn--e404-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.btn--e404-cta:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 56px rgba(0, 87, 217, 0.50),
              0 0 0 1px rgba(89, 203, 232, 0.30),
              0 4px 12px rgba(0,0,0,0.20);
}

.btn--e404-cta:hover::before { opacity: 1; }
.btn--e404-cta:active        { transform: translateY(-1px); }

.btn--e404-cta span,
.btn--e404-cta svg {
  position: relative;
  z-index: 1;
}

.btn--e404-cta svg {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn--e404-cta:hover svg { transform: translateX(-5px); }

/* Responsive 404 */
@media (min-width: 768px) {
  .e404__container {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    text-align: left;
  }

  .e404__number-wrap {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    order: 2;
  }

  .e404__content { order: 1; }

  .e404__subtitle { margin-inline: 0; }
}

@media (min-width: 1024px) {
  .e404__ring--1,
  .e404__ring--2 { display: block; }
}

@media (max-width: 767px) {
  .e404 { padding: var(--space-20) 0 var(--space-16); }
  .e404__logo-link { top: var(--space-5); }
  .e404__logo-img  { height: 36px; }
  .btn--e404-cta   { font-size: var(--text-base); padding: 1rem 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  .e404__number,
  .e404__bg-glow--1,
  .e404__bg-glow--2,
  .e404__ring--1,
  .e404__ring--2,
  .e404__badge-dot,
  .e404__content,
  .e404__number-wrap {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ============================================================
   DARK MODE — @media (prefers-color-scheme: dark)
   Las secciones oscuras por diseño (navbar, trajectory,
   certiprof, cta-final, footer) no necesitan cambios.
   ============================================================ */
@media (prefers-color-scheme: dark) {

  /* ── Tokens ────────────────────────────────────────────────── */
  :root {
    --color-surface:        #1E293B;
    --color-surface-dark:   #0F172A;
    --color-background:     #0B1120;
    --color-border:         #334155;
    --color-border-dark:    #475569;
    --color-text-primary:   #F1F5F9;
    --color-text-secondary: #94A3B8;
    --color-text-muted:     #64748B;
    --color-primary-bg:     rgba(0, 87, 217, 0.18);
    --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md:  0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg:  0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl:  0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  }

  /* ── Base ──────────────────────────────────────────────────── */
  body { background-color: var(--color-surface-dark); }

  /* Títulos que referencian --color-secondary (azul casi negro en light) */
  .section-title,
  .hero__title,
  .contact__title,
  .resource-card__title,
  .blog-card__title,
  .service-card__title,
  .accordion-header__title { color: var(--color-text-primary); }

  /* ── Hero ──────────────────────────────────────────────────── */
  .hero { background: var(--color-surface-dark); }
  .hero__bg-grid { opacity: 0.15; }
  .hero__stat-divider { background: var(--color-border); }
  .hero__photo-tag {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text-primary);
  }
  .hero__photo-deco {
    background: linear-gradient(135deg, rgba(0, 87, 217, 0.12), var(--color-surface));
    border-color: var(--color-border);
  }

  /* ── Servicios ─────────────────────────────────────────────── */
  .service-card {
    background: var(--color-surface);
    border-color: var(--color-border);
  }
  .service-card--featured { border-color: transparent; }

  /* ── Recursos ──────────────────────────────────────────────── */
  .resources { background: var(--color-surface-dark); }
  .resource-card {
    background: var(--color-surface);
    border-color: var(--color-border);
  }
  .btn--resource {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-primary-light);
  }
  .btn--resource:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
  }

  /* ── Brands — idéntico al modo light ────────────────────────── */
  .brand-logo {
    background: white;
    border-color: var(--color-border);
  }
  .brand-logo img { filter: grayscale(1) opacity(0.55); }
  .brand-logo:hover img { filter: grayscale(0) opacity(1); }

  /* ── Blog ──────────────────────────────────────────────────── */
  .blog-card {
    background: var(--color-surface);
    border-color: var(--color-border);
  }
  .blog-card__image { background: var(--color-border); }
  .blog-skeleton {
    background: var(--color-surface);
    border-color: var(--color-border);
  }
  .skeleton-image,
  .skeleton-line { background: var(--color-border); }

  /* ── Accordion (sólo afecta al contexto de fondo claro) ────── */
  .accordion-item { border-color: var(--color-border); }
  .accordion-header { background: var(--color-surface); }
  .accordion-header:hover,
  .accordion-item[open] .accordion-header { background: rgba(0, 87, 217, 0.15); }
  .accordion-body {
    background: var(--color-surface-dark);
    border-top-color: var(--color-border);
  }

  /* ── Contacto ──────────────────────────────────────────────── */
  .contact { background: var(--color-surface-dark); }
  .contact__channel {
    background: var(--color-surface);
    border-color: var(--color-border);
  }
  .contact__channel-icon--whatsapp  { background: rgba(37, 211, 102, 0.15); color: #4ADE80; }
  .contact__channel-icon--linkedin  { background: rgba(0, 119, 181, 0.15);  color: #60A5FA; }
  .contact__channel-icon--instagram { background: rgba(225, 48, 108, 0.15); color: #F472B6; }
  .form-input {
    background: var(--color-surface-dark);
    border-color: var(--color-border);
    color: var(--color-text-primary);
  }
  .form-success {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.3);
    color: #A7F3D0;
  }
  .form-success svg { color: #34D399; }
  .form-fail {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.3);
    color: #FCA5A5;
  }
  .form-fail svg { color: #F87171; }

  /* ── Botones ────────────────────────────────────────────────── */
  .btn--outline {
    color: var(--color-primary-light);
    border-color: var(--color-border-dark);
  }
  .btn--outline:hover {
    background: rgba(0, 87, 217, 0.15);
    border-color: var(--color-primary-light);
  }
  .btn--primary-outline {
    color: var(--color-primary-light);
    border-color: var(--color-primary-light);
  }
  .btn--primary-outline:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
  }

  /* ── Logotipos: garantizar blanco en fondos oscuros ─────────── */
  .navbar__logo-img,
  .footer__logo-img,
  .e404__logo-img { filter: brightness(0) invert(1) !important; }

  /* ── Política de Privacidad ─────────────────────────────────── */
  .privacy-page { background: var(--color-surface-dark); }
  .privacy-content {
    background: var(--color-surface);
    border-color: var(--color-border);
  }
  .privacy-content h1,
  .privacy-content h2 { color: var(--color-text-primary); }
  .privacy-content .privacy-disclaimer {
    background: rgba(0, 87, 217, 0.15);
    border-color: rgba(0, 87, 217, 0.3);
  }
}

/* ============================================================
   PÁGINA DE ENLACES (enlaces.html) — "link in bio"
   Fondo oscuro por diseño (igual que navbar/footer), no necesita
   ajustes en dark mode.
   ============================================================ */
body.links-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-secondary) 0%, #1E2D5A 100%);
  padding: var(--space-10) var(--space-4);
  position: relative;
  overflow-x: hidden;
}

body.links-page::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 85% 10%, rgba(0, 87, 217, 0.28) 0%, transparent 60%),
    radial-gradient(ellipse 55% 50% at 10% 90%, rgba(0, 168, 198, 0.16) 0%, transparent 55%),
    radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 28px 28px;
  pointer-events: none;
  z-index: 0;
}

.links {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
}

.links__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.links__photo {
  width: 128px;
  height: 128px;
  border-radius: var(--radius-full);
  object-fit: cover;
  object-position: 50% 15%;
  border: 4px solid rgba(255,255,255,0.15);
  box-shadow: var(--shadow-xl);
  margin-bottom: var(--space-5);
}

.links__name {
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  color: white;
  margin-bottom: var(--space-2);
}

.links__tagline {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  letter-spacing: 0.02em;
  color: var(--color-primary-light);
  margin-bottom: var(--space-4);
}

.links__bio {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
  max-width: 340px;
  margin-bottom: var(--space-5);
}

.links__socials {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.links__social {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.85);
  transition: all var(--transition-base);
}
.links__social:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.links__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
}

.links__btn {
  gap: var(--space-3);
  justify-content: center;
  transition: transform var(--transition-base), background var(--transition-base), border-color var(--transition-base);
}
.links__btn:hover { transform: translateY(-2px); }

.links__resources {
  width: 100%;
  margin-top: var(--space-8);
}

.links__section-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-4);
  text-align: center;
}

.links__footer {
  margin-top: var(--space-10);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  line-height: 1.8;
}

.links__home-link {
  color: rgba(255,255,255,0.6);
  text-decoration: underline;
  transition: color var(--transition-fast);
}
.links__home-link:hover { color: white; }

@media (max-width: 480px) {
  .links__photo { width: 108px; height: 108px; }
  .links__name { font-size: var(--text-xl); }
}