/* =============================================
   NEXUM BUSINESS SAC - Main Stylesheet
   Animaciones, SEO helpers, componentes globales
   ============================================= */

/* ── Variables globales ── */
:root {
  --anim-duration-fast: 200ms;
  --anim-duration-base: 400ms;
  --anim-duration-slow: 700ms;
  --anim-easing: cubic-bezier(0.16, 1, 0.3, 1);
  --anim-easing-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --nav-height: 80px;
}

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Page load overlay ── */
#page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--loader-bg, #0F0F14);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#page-loader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  animation: loaderPulse 1.2s ease-in-out infinite;
}

.loader-bar {
  width: 200px;
  height: 2px;
  background: rgba(220, 184, 255, 0.15);
  border-radius: 9999px;
  overflow: hidden;
}

.loader-bar-fill {
  height: 100%;
  background: #dcb8ff;
  border-radius: 9999px;
  animation: loaderProgress 1.2s ease-in-out forwards;
}

@keyframes loaderProgress {
  0%   { width: 0%; }
  60%  { width: 80%; }
  100% { width: 100%; }
}

@keyframes loaderPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.7; }
}

/* ── Animaciones de entrada de página ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

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

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

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(60px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(147, 63, 232, 0.3); }
  50%       { box-shadow: 0 0 40px rgba(147, 63, 232, 0.6), 0 0 80px rgba(147, 63, 232, 0.2); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ── Clases de animación de entrada (page entry) ── */
.page-enter {
  animation: fadeIn var(--anim-duration-base) var(--anim-easing) both;
}

/* ── Scroll reveal - estado inicial ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--anim-easing), transform 0.7s var(--anim-easing);
}

.reveal.reveal--left {
  transform: translateX(-40px);
}

.reveal.reveal--right {
  transform: translateX(40px);
}

.reveal.reveal--scale {
  transform: scale(0.9);
}

.reveal.reveal--visible {
  opacity: 1;
  transform: none;
}

/* Delay helpers para reveal en cascada */
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }
.reveal-delay-5 { transition-delay: 500ms; }
.reveal-delay-6 { transition-delay: 600ms; }

/* ── Navegación ── */
/* Clase aplicada por JS a todos los nav links del desktop */
.nav-link {
  position: relative;
  padding-bottom: 3px;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  width: 0;
  height: 2px;
  border-radius: 9999px;
  background: currentColor;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              left   0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover::after {
  width: 100%;
  left: 0;
}

.nav-link.active::after {
  width: 100%;
  left: 0;
}

.nav-link.active {
  color: currentColor;
  font-weight: 600;
}

/* Navbar scroll behavior */
.navbar--scrolled {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3) !important;
}

/* ── Botones ── */
.btn-primary {
  position: relative;
  overflow: hidden;
  transition: transform var(--anim-duration-fast) ease,
              box-shadow var(--anim-duration-fast) ease;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.12);
  opacity: 0;
  transition: opacity var(--anim-duration-fast) ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(147, 63, 232, 0.4);
}

.btn-primary:hover::after { opacity: 1; }
.btn-primary:active { transform: translateY(0) scale(0.97); }

/* ── Cards con hover ── */
.card-hover {
  transition: transform var(--anim-duration-base) var(--anim-easing),
              box-shadow var(--anim-duration-base) ease,
              border-color var(--anim-duration-base) ease;
}

.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* ── Menú mobile ── */
/* position:fixed saca al menú del flujo del documento (evita el gap bajo el header) */
#mobile-menu {
  position: fixed;
  top: 80px; /* altura del nav h-20 */
  left: 0;
  right: 0;
  z-index: 49;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.25s ease,
              transform 0.25s var(--anim-easing),
              visibility 0s linear 0.25s;
}

#mobile-menu.open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  transition: opacity 0.25s ease,
              transform 0.25s var(--anim-easing),
              visibility 0s linear 0s;
}

/* Cursor pointer en el toggle (es un div, no un button) */
#mobile-menu-toggle {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

/* Desktop: nunca visible aunque JS lo active */
@media (min-width: 768px) {
  #mobile-menu { visibility: hidden !important; pointer-events: none !important; }
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  border-radius: 9999px;
  transition: transform var(--anim-duration-base) var(--anim-easing),
              opacity var(--anim-duration-fast) ease;
  transform-origin: center;
}

.hamburger.open .hamburger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.hamburger.open .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.open .hamburger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ── Switcher de tema ── */
#theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(220, 184, 255, 0.2);
  background: rgba(28, 28, 36, 0.6);
  cursor: pointer;
  transition: border-color var(--anim-duration-fast) ease,
              background var(--anim-duration-fast) ease,
              transform var(--anim-duration-fast) ease;
  backdrop-filter: blur(8px);
}

#theme-toggle:hover {
  border-color: rgba(220, 184, 255, 0.6);
  transform: scale(1.1);
}

#theme-toggle .icon-dark,
#theme-toggle .icon-light {
  transition: opacity var(--anim-duration-fast) ease,
              transform var(--anim-duration-fast) ease;
}

/* ── Efectos flotantes (decorativos) ── */
.ambient-float {
  animation: float 6s ease-in-out infinite;
}

.ambient-float-slow {
  animation: float 9s ease-in-out infinite;
  animation-delay: -3s;
}

/* ── Glow en CTAs ── */
.glow-cta {
  animation: glowPulse 3s ease-in-out infinite;
}

/* ── Shimmer loading skeleton ── */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.05) 25%,
    rgba(255,255,255,0.1) 50%,
    rgba(255,255,255,0.05) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* ── Hero title animation ── */
.hero-title {
  animation: fadeInUp 0.8s var(--anim-easing) 0.2s both;
}

.hero-subtitle {
  animation: fadeInUp 0.8s var(--anim-easing) 0.4s both;
}

.hero-cta {
  animation: fadeInUp 0.8s var(--anim-easing) 0.6s both;
}

.hero-image {
  animation: scaleIn 1s var(--anim-easing) 0.3s both;
}

/* ── Navbar entry ── */
header, nav {
  animation: fadeInDown 0.6s var(--anim-easing) both;
}

/* ── Footer ── */
footer {
  animation: fadeIn 0.6s ease 0.2s both;
}

/* ── Contador animado ── */
.counter {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ── Tooltips ── */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: rgba(28, 28, 36, 0.95);
  color: #e4e1e9;
  font-size: 12px;
  line-height: 1.4;
  padding: 6px 10px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--anim-duration-fast) ease,
              transform var(--anim-duration-fast) ease;
  z-index: 100;
}

[data-tooltip]:hover::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Image lazy load fade ── */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.5s ease;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

/* ── Scroll progress bar ── */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #8229d7, #dcb8ff);
  z-index: 99999;
  transition: width 0.1s linear;
  border-radius: 0 9999px 9999px 0;
}

/* ── Responsive tweaks ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ── Light mode overrides para #theme-toggle ── */
html.light #theme-toggle {
  background: rgba(240, 236, 244, 0.8);
  border-color: rgba(130, 41, 215, 0.2);
}

html.light #theme-toggle:hover {
  border-color: rgba(130, 41, 215, 0.5);
}

/* ── Cookie/Back-to-top button ── */
#back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 1000;
  background: rgba(130, 41, 215, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(220, 184, 255, 0.3);
  color: white;
}

#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

#back-to-top:hover {
  background: #8229d7;
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(130, 41, 215, 0.5);
}

/* ── Theme Widget flotante ── */
#theme-widget {
  position: fixed;
  bottom: 28px;
  left: 28px;
  z-index: 9998;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border-radius: 9999px;
  background: rgba(30, 30, 40, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

html.light #theme-widget {
  background: rgba(255,255,255,0.9);
  border-color: rgba(0,0,0,0.1);
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

#theme-widget button {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border-radius: 9999px;
  border: none;
  background: transparent;
  color: rgba(220,184,255,0.7);
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  font-family: Inter, sans-serif;
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

html.light #theme-widget button {
  color: rgba(80,60,120,0.7);
}

#theme-widget button:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

html.light #theme-widget button:hover {
  background: rgba(130,41,215,0.08);
  color: #8229d7;
}

#theme-widget button.active {
  background: rgba(130,41,215,0.85);
  color: #fff;
}

html.light #theme-widget button.active {
  background: #8229d7;
  color: #fff;
}

#theme-widget button span {
  display: none;
}

#theme-widget button.active span {
  display: inline;
}

/* ── Light mode: visibilidad de cards ── */
/*
  En light, los fondos de card (surface-container-lowest = #fff, surface-container = #f4f4f6)
  son casi iguales al fondo de página (#fff), haciéndolas invisibles.
  Se añade borde sutil + sombra para definir la elevación.
*/
html.light [class*="border-surface-container"],
html.light [class*="border-glass-border"],
html.light [class*="border-outline-variant"] {
  border-color: rgba(0, 0, 0, 0.09) !important;
}

html.light [class*="rounded-"][class*="border"][class*="bg-surface-container"],
html.light [class*="rounded-"][class*="border"][class*="bg-white"],
html.light [class*="rounded-"][class*="border"][class*="bg-surface"] {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.04);
}

/* Cards con shadow-sm ya definidas (como en light/servicios) */
html.light [class*="shadow-sm"][class*="rounded"] {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.05) !important;
}

html.light [class*="shadow-md"][class*="rounded"] {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.05) !important;
}

/* Fondo de card ligeramente off-white para diferenciarse del body #fff */
html.light [class*="bg-surface-container-lowest"] {
  background-color: #fafafa !important;
}

html.light [class*="bg-surface-container"]:not([class*="highest"]):not([class*="low"]) {
  background-color: #f3f2f7 !important;
}

/* ── Responsive: fixes generales ── */

/* Theme widget en mobile: más compacto */
@media (max-width: 640px) {
  #theme-widget {
    bottom: 16px;
    left: 16px;
    padding: 3px;
  }
  #theme-widget button {
    padding: 5px 10px;
    font-size: 11px;
  }
  /* Back-to-top no se superponga al widget */
  #back-to-top {
    bottom: 16px;
    right: 16px;
  }
}

/* Scroll progress visible en mobile */
#scroll-progress {
  height: 2px;
}

/* Imágenes: nunca desborden en móvil */
img {
  max-width: 100%;
  height: auto;
}

/* Texto hero en móvil no desborde */
@media (max-width: 640px) {
  h1 { word-break: break-word; }
  .hero-title { font-size: clamp(1.75rem, 6vw, 3rem); }
}

/* Nav: altura consistente en todos los breakpoints */
header .flex,
nav .flex {
  min-height: 0;
}

/* Fix: mobile-menu no tape el contenido de la página en desktop */
@media (min-width: 768px) {
  #mobile-menu-toggle { display: none !important; }
}

/* ── Light mode: full color inversion for dark-config classes ── */
/* When dark-page HTML is shown with html.light, these overrides flip all colors */

html.light { --loader-bg: #fafafa; }

/* Backgrounds */
html.light .bg-background,
html.light .bg-surface,
html.light .bg-surface-bright { background-color: #ffffff !important; }
html.light .bg-surface-dim    { background-color: #e0e0e4 !important; }
html.light .bg-surface-variant { background-color: #e4e1e9 !important; }
html.light .bg-surface-container-lowest { background-color: #ffffff !important; }
html.light .bg-surface-container-low    { background-color: #f8f8fa !important; }
html.light .bg-surface-container        { background-color: #f4f4f6 !important; }
html.light .bg-surface-container-high   { background-color: #edecf0 !important; }
html.light .bg-surface-container-highest{ background-color: #e8e8ec !important; }
html.light .bg-glass-surface            { background-color: rgba(255,255,255,0.85) !important; }

/* Primary / accent */
html.light .bg-primary       { background-color: #791ace !important; }
html.light .bg-primary-fixed { background-color: #efdbff !important; }
html.light .bg-inverse-primary { background-color: #dcb8ff !important; }

/* Text colors */
html.light .text-text-primary    { color: #1b1b20 !important; }
html.light .text-text-secondary  { color: rgba(27,27,32,0.78) !important; }
html.light .text-text-muted,
html.light .text-muted           { color: rgba(27,27,32,0.50) !important; }
html.light .text-on-surface      { color: #1b1b20 !important; }
html.light .text-on-surface-variant { color: #4c4354 !important; }
html.light .text-on-background   { color: #1b1b20 !important; }
html.light .text-primary         { color: #791ace !important; }
html.light .text-secondary       { color: #006688 !important; }
html.light .text-on-primary      { color: #ffffff !important; }
html.light .text-inverse-surface { color: #f3eff7 !important; }

/* Borders */
html.light .border-glass-border  { border-color: rgba(0,0,0,0.09) !important; }
html.light .border-outline-variant { border-color: #cfc2d6 !important; }
html.light .border-outline       { border-color: #7e7386 !important; }

/* Hardcoded dark hex backgrounds → light equivalents */
html.light body { background-color: #ffffff !important; }
html.light [class*="0F0F14"] { background-color: #f8f8fa !important; }
html.light [class*="1C1C24"] { background-color: #f0f0f5 !important; }

/* Gradient text: override transparent clip to use dark primary */
html.light .from-primary { --tw-gradient-from: #791ace !important; }
html.light .to-secondary { --tw-gradient-to: #006688 !important; }

/* Scroll progress */
html.light #scroll-progress { background: linear-gradient(90deg,#791ace,#006688); }

/* primary-container in light = solid purple */
html.light .bg-primary-container { background-color: #791ace !important; }
html.light .hover\:bg-primary-container:hover { background-color: #6a15c0 !important; }
html.light .hover\:bg-inverse-primary:hover { background-color: #6a15c0 !important; }
html.light .text-on-primary-container { color: #ffffff !important; }

/* border-secondary / hover:bg-secondary/10 in light */
html.light .border-secondary { border-color: #006688 !important; }
html.light .hover\:bg-secondary\/10:hover { background-color: rgba(0,102,136,0.1) !important; }

/* Contact page: .glass-panel dark inline style → light */
html.light .glass-panel {
  background-color: rgba(255,255,255,0.96) !important;
  border-color: rgba(0,0,0,0.09) !important;
}

/* Contact page: .input-glass dark inline style → light */
html.light .input-glass {
  background-color: #f4f4f8 !important;
  border-color: rgba(0,0,0,0.15) !important;
  color: #1b1b20 !important;
}

html.light .input-glass::placeholder { color: rgba(27,27,32,0.4); }

html.light .input-glass:focus {
  border-color: #791ace !important;
  box-shadow: 0 0 0 2px rgba(121,26,206,0.15) !important;
}

/* cloud.html: mix-blend-screen washes image on white bg → normal in light */
html.light .mix-blend-screen { mix-blend-mode: normal !important; }

/* cloud.html: roadmap vertical line (bg-glass-border invisible on white) */
html.light .bg-glass-border { background-color: rgba(0,0,0,0.18) !important; }