/* =====================
   Reset profesional de links
   ===================== */
a,
a:visited {
  color: inherit;
  text-decoration: none;
}
a:hover {
  color: var(--brand);
}
a:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* Diseño base */

:root {
  --green-600: #1d7d4f;
  --green-700: #12633e;
  --green-300: #85d1a9;
  --green-50: #eef8f2;
  --black: #0b0f0d;
  --gray-900: #101211;
  --gray-800: #1a1d1b;
  --gray-700: #2a2f2c;
  --gray-600: #3b423e;
  --gray-500: #55605a;
  --gray-400: #78857e;
  --gray-300: #a5b1aa;
  --gray-200: #d2dad6;
  --gray-100: #edf2ef;
  --white: #ffffff;

  --bg: var(--white);
  --text: var(--gray-900);
  --muted: var(--gray-600);
  --border: var(--gray-200);
  --elev: var(--white);
  --brand: var(--green-600);
  --brand-contrast: var(--white);
  --shadow: 0 10px 30px rgba(0,0,0,.08);

  /* Colores para polígonos (suaves, baja opacidad) */
  --polygon-color1: rgba(133, 209, 169, 0.15); /* Basado en --green-300 */
  --polygon-color2: rgba(18, 99, 62, 0.1); /* Basado en --green-700 */
  --polygon-color3: rgba(238, 248, 242, 0.2); /* Basado en --green-50 */
}

/* Modo oscuro */

[data-theme="dark"] {
  --bg: var(--black);
  --text: #e7ece9;
  --muted: var(--gray-300);
  --border: var(--gray-700);
  --elev: var(--gray-800);
  --brand: var(--green-300);
  --brand-contrast: var(--black);
  --shadow: 0 12px 36px rgba(0,0,0,.45);

  /* Ajustar colores de polígonos para modo oscuro (más oscuros, sutiles) */
  --polygon-color1: rgba(133, 209, 169, 0.1);
  --polygon-color2: rgba(18, 99, 62, 0.08);
  --polygon-color3: rgba(10, 15, 13, 0.15); /* Tinte verde oscuro sutil */
}

* {
  box-sizing: border-box;
}

.searchbar__input:-webkit-autofill,
.searchbar__input:-webkit-autofill:hover, 
.searchbar__input:-webkit-autofill:focus,
.searchbar__input:autofill {
    -webkit-box-shadow: 0 0 0px 1000px var(--elev) inset !important;
    -webkit-text-fill-color: var(--text) !important;
    transition: background-color 999999s ease-in-out 0s !important;
}

/* Blindaje extra para el input */
.searchbar__input {
    background-color: var(--elev) !important;
    color: var(--text) !important;
    outline: none !important;
}

/* Para navegadores que no son Chrome (Firefox/Safari) */
.searchbar__input:focus {
    background-color: var(--elev) !important;
    box-shadow: 0 0 0 2px var(--brand) !important;
}

.brand__picture {
  display: inline-block;
}

.brand__logo {
  height: auto;
  object-fit: contain;
  display: block;
}

.topbar .brand__logo {
  width: 150px;
}

.brand--footer .brand__logo {
  width: 48px;
}

html,
body {
  height: 100%;
  scroll-behavior: smooth;
}

/* Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s;
  pointer-events: all; /* Permite clics mientras carga */
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none; /* Esto permite hacer clic en lo que hay detrás */
  transition: opacity 0.5s ease, visibility 0.5s;
}

.loader {
  display: flex;
  gap: 8px;
}

.loader span {
  width: 15px;
  height: 15px;
  background: var(--brand); /* Color verde de la marca */
  border-radius: 50%;
  animation: bounce 0.6s infinite alternate;
}

/* Retraso para el efecto de onda */
.loader span:nth-child(2) { animation-delay: 0.2s; }
.loader span:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  from {
    transform: translateY(0);
    opacity: 1;
  }
  to {
    transform: translateY(-15px);
    opacity: 0.3;
  }
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  position: relative;
}

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

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  background: var(--brand);
  color: var(--brand-contrast);
  padding: .5rem .75rem;
  border-radius: .25rem;
}

/* Nueva animación de fondo (polígonos flotando suavemente) */
.background-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: -1; /* Detrás de todo el contenido */
  pointer-events: none; /* No interfiere con clics */
}

.polygon {
  position: absolute;
  opacity: 0; /* Empieza invisible para fade-in */
  animation: float 60s infinite linear; /* Duración más larga, linear para movimiento constante */
  filter: blur(3px); /* Bordes suaves para no distraer */
  will-change: transform, opacity; /* Optimización para animación suave */
}

.polygon:nth-child(odd) {
  background: var(--polygon-color1);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%); /* Triángulo */
}

.polygon:nth-child(even) {
  background: var(--polygon-color2);
  clip-path: polygon(20% 0%, 80% 20%, 100% 80%, 40% 100%, 0% 80%); /* Pentágono-like */
}

.polygon:nth-child(3n) {
  background: var(--polygon-color3);
  clip-path: polygon(25% 0%, 100% 0%, 75% 100%, 0% 100%); /* Trapecio */
}

@keyframes float {
  0% {
    transform: translate(var(--start-x), var(--start-y)) rotate(0deg) scale(1);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.8;
  }
  100% {
    transform: translate(var(--end-x), var(--end-y)) rotate(var(--rotate-deg)) scale(1.1);
    opacity: 0;
  }
}

/* =========
   Header
   ========= */

.site-header {
  width: 100%;
  position: fixed;
  top: 0;
  z-index: 50;
}

.topbar {
  background: var(--elev);
  border-bottom: 1px solid var(--border);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .5rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
}

.topbar__actions {
  display: inline-flex;
  gap: .85rem;
  align-items: center;
}

.account-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.account-link:hover {
  color: var(--brand);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .35rem .75rem;
  box-shadow: var(--shadow);
  cursor: pointer;
}

.theme-toggle__icon {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--brand);
  display: inline-block;
}

.main-nav {
  position: static;
  z-index: 40;
  background: var(--elev);
  border-bottom: 1px solid var(--border);
  backdrop-filter: saturate(1.2) blur(6px);
}

.menu {
  list-style: none;
  display: flex;
  gap: 3rem;
  padding: 0;
  margin: 0;
  align-items: center;
}

.menu__item {
  position: relative;
}

.menu__link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem .9rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  background: transparent;
  border: none;
  cursor: pointer;
  line-height: 1;
}

.menu__link:hover,
.menu__link:focus {
  color: var(--brand);
}

.submenu {
  position: absolute;
  left: 0;
  top: 100%;
  min-width: 260px;
  background: var(--elev);
  border: 1px solid var(--border);
  border-radius: .5rem;
  padding: .5rem;
  display: none;
  box-shadow: var(--shadow);
  list-style: none;
  transition: opacity 0.3s ease, transform 0.5s ease;
  transform: translateY(10px);
  pointer-events: none;
}

.menu__item--has-sub:hover > .submenu,
.menu__item--has-sub:focus-within > .submenu {
  display: grid !important;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.submenu.mega {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.submenu a.submenu__link {
  display: block;
  padding: .55rem .65rem;
  border-radius: .35rem;
  color: var(--text);
  text-decoration: none;
}

.submenu a.submenu__link:hover {
  background: rgba(29, 125, 79, 0.15);
  color: var(--brand) !important;
}

button.menu__link {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  font-size: inherit;
  font-family: inherit;
  line-height: 1;
  margin: 0;
}

/* Searchbar */

.searchbar {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.searchbar__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .5rem;
  padding: .85rem 0;
}

.searchbar__input {
  padding: .75rem .9rem;
  border-radius: 2rem;
  border: 1px solid var(--border);
  background: var(--elev);
  color: var(--text);
}

.searchbar__btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem .7rem;
  border-radius: 2rem;
  border: 1px solid var(--brand);
  background: var(--brand);
  color: var(--brand-contrast);
  cursor: pointer;
  font-weight: 700;
}

.searchbar__btn:hover {
  filter: brightness(1.05);
}

/* Carousel */
.slideshow-container {
  max-width: 80%;
  max-height: 400px;
  position: relative;
  margin: auto;
  margin-top: 13rem;
  border-radius: .75rem;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.mySlides {
  display: none;
}

.mySlides img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  margin-top: -22px;
  padding: 16px;
  color: var(--brand-contrast);
  font-weight: bold;
  font-size: 18px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
  color: var(--green-300);
}

.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

.dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: var(--gray-300);
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6s ease;
}

.active, .dot:hover {
  background-color: var(--brand);
}

.fade {
  animation-name: fade;
  animation-duration: 1.5s;
}

@keyframes fade {
  from {opacity: .4}
  to {opacity: 1}
}

/* =========
   Hero
   ========= */

.hero {
  margin-top: 1rem;
  background: var(--bg); /* Quitamos el degradado */
  border-bottom: 1px solid var(--border); /* Añadimos línea sutil */
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 2rem;
  align-items: center;
  padding: 2.5rem 0;
}

.hero__copy h1 {
  margin: 0 0 .5rem;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.2;
}

.hero__copy p {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero__cta {
  display: inline-flex;
  gap: .75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1.1rem;
  border-radius: .5rem;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
}

.card--hover .btn--primary {
    width: 100%;
    margin-top: 1rem;
}

.btn--primary {
  background: var(--brand);
  color: var(--white) !important;
  border-color: var(--brand);
}

.btn--primary:hover {
    filter: brightness(1.1);
    color: var(--white) !important;
    background: var(--brand);
}

[data-theme="dark"] .btn--primary:hover {
    color: var(--black) !important;
    background: var(--brand);
}

.btn--ghost {
  background: transparent;
  color: var(--brand);
  border-color: var(--brand);
}

.btn--ghost:hover {
  background: rgba(133, 209, 169, 0.1);
  border-color: var(--brand);
}

[data-theme="dark"] .btn--primary,
[data-theme="dark"] .btn--brand,
[data-theme="dark"] .btn--primary:hover,
[data-theme="dark"] .btn--brand:hover {
    color: var(--white) !important;
}

[data-theme="dark"] .btn--whatsapp-pro:hover {
    color: var(--white) !important;
    background-color: var(--green-700);
}

.hero__art {
  filter: drop-shadow(0 2px 20px rgba(0,0,0,.06));
}

.hero__badges {
  border-top: 1px dashed var(--border);
  border-bottom: 1px dashed var(--border);
  background: var(--bg);
}

.badges__inner {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1rem;
  padding: 1rem 0;
}

.badge {
  text-align: center;
  font-weight: 600;
  color: var(--green-700);
}

/* =========
   Sections
   ========= */

.section-head {
  text-align: center;
  padding: 2rem 0 1rem;
}

.section-head h2 {
  margin: 0 0 .4rem;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.features {
  background: var(--elev);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 1.5rem 0 2.5rem;
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 1rem 0 2rem;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: .75rem;
  padding: 1rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0;
}

.card__link {
  color: var(--brand);
  text-decoration: none;
  font-weight: 700;
}

.card__link:hover {
  text-decoration: underline;
}

.card img {
  border-radius: .5rem;
  margin-bottom: .75rem;
  max-width: 50%;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.card--hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card--hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,.12);
}
.card img {
    transition: transform 0.3s ease;
}
.card:hover img {
    transform: scale(1.05);
}
.card__desc {
    opacity: 0;
    transition: opacity 0.3s ease;
    text-align: center;
}
.card:hover .card__desc {
    opacity: 1;
}

.catalogo .tile {
  position: relative;
  display: grid;
  place-items: end start;
  min-height: 140px;
  padding: 1rem;
  border-radius: .75rem;
  background: var(--elev);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  color: var(--text);
  text-decoration: none;
}

.catalogo .tile--alt {
  background: linear-gradient(135deg, rgba(18,99,62,.12), transparent), var(--elev);
}

.tile__title {
  font-weight: 700;
}

.about__inner {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 2rem;
  padding: 2rem 0 2.5rem;
  align-items: start;
}

.list {
  padding-left: 1.1rem;
}

.list li {
  margin-bottom: .35rem;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.stat {
  background: var(--elev);
  border: 1px solid var(--border);
  border-radius: .75rem;
  padding: 1rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.stat__value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--green-700);
}

.stat__label {
  color: var(--muted);
}

.cta {
  background: var(--elev); /* Fondo sólido de elevación */
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta__inner {
  text-align: center;
  padding: 2rem 0;
}

/* Video Section */
.video-section {
  padding: 1rem 0;
  background: var(--bg);
}

.video-container {
  position: relative;
  padding-bottom: 36.25%;
  height: 0;
  overflow: hidden;
  width: 100%;
  max-width: 70%;
  margin: 0 auto;
  border-radius: .75rem;
  box-shadow: var(--shadow);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Map Section */
.map {
padding: 1rem 0;
background: var(--bg);
}
.map iframe {
width: 100%;
height: 400px;
border: 0;
border-radius: .75rem;
box-shadow: var(--shadow);
}

/* Contact Form Section */
.contact-form {
  padding: 1rem 0;
  background: transparent;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.contact-form__form {
  display: grid;
  gap: 1.25rem;
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  max-height: 200px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--elev);
  color: var(--text);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--brand);
  outline: none;
}

.form-group textarea {
  resize: vertical;
}

.page-hero {
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://res.cloudinary.com/dq9mlwjpk/image/upload/v1766342898/banner-ingenieria-inversa_tjft4a.webp');
  background-size: cover;
  background-position: 40px 80px;
  color: white;
  padding: 12rem 0 5rem;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1rem;
}

.tagline {
  font-size: 1.2rem;
  opacity: 0.9;
}

.section-detail {
  padding: 5rem 0;
}

.grid--2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.img-float {
  border-radius: 1rem;
  box-shadow: var(--shadow);
  transition: transform 0.4s ease;
}

.img-float:hover {
  transform: translateY(-10px) scale(1.02);
}

.feature-mini-list {
  margin-top: 2rem;
  display: grid;
  gap: 1rem;
}

.mini-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--brand);
}

.section-video, 
.section-cta-footer,
.section-values,
.bg-alt {
    background: var(--elev) !important;
    padding: 4rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.bg-alt .card {
    background: var(--bg);
}

.img-centered {
  margin: 4rem auto;
  opacity: 0.8;
  filter: grayscale(100%);
  transition: filter 0.3s ease;
}

.img-centered:hover {
  filter: grayscale(0%);
}

/* Estilos del Acordeón */
.accordion {
    border-top: 1px solid var(--border);
    margin: 2rem 0;
}

.accordion__item {
    border-bottom: 1px solid var(--border);
    background: var(--elev);
}

.accordion__header {
    width: 100%;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 700;
    color: var(--text);
    font-size: 1.1rem;
    transition: background 0.5s;
}

.accordion__header:hover {
    background: rgba(255, 255, 255, 0.03);
}

.accordion__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
}

.accordion__item.active .accordion__content {
    max-height: 1000px;
    transition: max-height 0.4s ease-in-out;
}

.accordion__body {
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr; /* Texto izquierda, imagen derecha */
    gap: 2rem;
    align-items: center;
}

.accordion__image img {
    width: 100%;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
}

.accordion__item.active .icon {
    transform: rotate(45deg); /* El + se vuelve una X */
    color: var(--brand);
}

.icon {
    font-size: 1.5rem;
    transition: transform 0.3s;
}

/* Visores 3D */
.section-viewers {
    padding: 4rem 0;
}

.viewer-card {
    background: var(--elev);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    text-align: center;
}

.viewer-card h3 {
    margin-bottom: 1.5rem;
    color: var(--brand);
}

.viewer-card iframe {
    border-radius: 0.5rem;
    background: #eee;
}

/* Tarjeta Intro */
.hero-card {
    background: var(--elev);
    border-left: 5px solid var(--brand);
    padding: 3rem;
    border-radius: 0 1rem 1rem 0;
    box-shadow: var(--shadow);
    margin: -3rem auto 3rem;
    position: relative;
    z-index: 2;
}

.catalog-layout {
    display: grid;
    grid-template-columns: 280px 1fr; /* Ancho fijo y pequeño para la izquierda */
    gap: 2.5rem;
    padding-top: 13rem; /* Ajuste para el header fijo */
    align-items: start;
}

/* Sidebar Estilo Panel Compacto */
.catalog-sidebar {
    position: sticky;
    top: 180px; 
    background: var(--elev);
    padding: 1.5rem; /* Reducimos el padding interno */
    border-radius: 1.2rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.catalog-sidebar h4 {
    margin-top: 0;
    margin-bottom: 1.2rem;
    font-size: 1rem; /* Más pequeño */
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-weight: 700;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem; /* Menos espacio entre botones */
}

.sidebar-nav a {
    padding: 0.8rem 1rem; /* Más compacto */
    border-radius: 0.8rem;
    color: var(--text);
    text-decoration: none;
    font-size: 0.95rem; /* Fuente un poco más pequeña */
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Efecto Hover mejorado */
.sidebar-nav a:hover {
    background: rgba(29, 125, 79, 0.2) !important;
    color: var(--brand);
    transform: translateX(4px);
}

/* Estado Activo (La cápsula verde que te gustó) */
.sidebar-nav a.active {
    background: rgba(29, 125, 79, 0.2) !important;
    color: var(--brand);
    font-weight: 700;
    border-left: 3px solid var(--brand); /* Línea lateral más fina */
}

/* Flecha lateral sutil */
.sidebar-nav a::after {
    content: '›';
    font-size: 1.2rem;
    opacity: 0.2;
    transition: opacity 0.3s;
}

.sidebar-nav a.active::after, .sidebar-nav a:hover::after {
    opacity: 1;
}

.card--hover {
    overflow: hidden; /* Corta lo que sobresalga al ampliar */
}

.img-zoom {
    transition: transform 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
    width: 100%;
    height: auto;
    display: block;
}

.card--hover:hover .img-zoom {
    transform: scale(1.15); /* Amplía un 15% */
}

/* Control de reguero de información en tarjetas */
.card__content h3 {
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
    color: var(--text);
    /* Limitar título a 1 línea por si acaso */
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card__content p {
    margin-bottom: 1.5rem;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3; /* Número de líneas visibles antes de los ... */
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 4.5em; 
}

.related-products {
    border-top: 1px solid var(--border);
    padding-top: 2rem; /* Espacio interno superior reducido */
    margin-top: 3rem;  /* Espacio externo superior reducido */
}

.related-products h2 {
    font-size: 1.5rem; /* Título más pequeño */
    margin-bottom: 2rem;
    opacity: 0.8;
}

.related-products h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

/* Tarjeta Mini para Similares (Sin estilos inline para evitar alertas) */
.card--similar {
    padding: 1rem;
    background: var(--elev);
    border-radius: 1rem;
}

.card--similar .card__image-wrapper {
    height: 150px; /* Tamaño controlado para la imagen */
    background: #fdfdfd;
    border-radius: 0.75rem;
    margin-bottom: 1rem;
}

.card--similar h4 {
    font-size: 1rem;
}

.card--similar p {
    font-size: 0.8rem;
    line-height: 1.3;
    min-height: auto; /* Quitamos la altura fija gigante */
    margin-bottom: 1rem;
    -webkit-line-clamp: 2; /* Solo dos líneas */
}

.card--similar .btn {
    padding: 0.5rem; /* Botón más discreto */
    font-size: 0.8rem;
    border-radius: 0.5rem;
}

.product-page {
    padding-top: 15rem;
}

.product-extra-details {
    margin-top: 2rem; /* Bajamos de 4rem a 2rem */
}

.product-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: start;
}

/* Galería */
.gallery__main {
    padding: 2rem;
    background: #fdfdfd;
    border-radius: 1.5rem;
    margin-bottom: 1.5rem;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery__main img {
    max-height: 100%;
    width: auto;
    object-fit: contain;
}

.gallery__thumbs {
    display: flex;
    gap: 1rem;
}

.thumb-item {
    width: 80px;
    height: 80px;
    padding: 5px;
    border: 2px solid var(--border);
    border-radius: 0.75rem;
    cursor: pointer;
    background: var(--elev);
    transition: all 0.3s ease;
}

.thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.thumb-item.active {
    border-color: var(--brand); /* Borde verde para la seleccionada */
    box-shadow: 0 0 10px rgba(29, 125, 79, 0.2);
}

/* Info del Producto */
.product-info h1 {
    font-size: 2.8rem;
    margin: 0.5rem 0 1.5rem;
    color: var(--text);
    line-height: 1.1;
}

.badge--brand {
    background: var(--green-50);
    color: var(--brand);
    padding: 0.4rem 1rem;
    font-weight: 700;
    border-radius: 0.5rem;
    font-size: 0.85rem;
}

.info__description {
    font-size: 1.1rem;
    color: var(--muted);
    margin-bottom: 2.5rem;
}

.btn--whatsapp-pro {
    background: var(--green-600);
    color: var(--white) !important; /* Forzamos texto blanco siempre */
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
    border-radius: 0.8rem;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(18, 140, 126, 0.2);
    border: none;
}

.btn--whatsapp-pro:hover {
    transform: translateY(-3px);
    background: var(--green-700);
    color: var(--white) !important; /* Mantiene el blanco al iluminarse */
    filter: brightness(1.1);
}

/* Asegurar que el icono o span interno también sea blanco */
.btn--whatsapp-pro span {
    color: var(--white) !important;
}

/* Sección de Reseñas */
.reviews-section { margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--border); }

.star-rating { display: flex; flex-direction: row-reverse; justify-content: flex-end; gap: 5px; }
.star-rating input { display: none; }
.star-rating label { font-size: 2rem; color: var(--gray-300); cursor: pointer; transition: 0.2s; }

/* Efecto de iluminado */
.star-rating input:checked ~ label,
.star-rating label:hover,
.star-rating label:hover ~ label { color: #f39c12; }

.review-card { background: var(--elev); padding: 1.5rem; border-radius: 1rem; margin-bottom: 1rem; border: 1px solid var(--border); }
.review-stars { color: #f39c12; margin-bottom: 0.5rem; }

/* Personalización Aplitop */
.aplitop-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5)), 
                url('https://res.cloudinary.com/dq9mlwjpk/image/upload/v1766343671/banner-aplitop_ynafef.webp');
      background-size: contain;
    background-position: -10px 20px;
}

.list-software {
    list-style: none;
    padding: 0;
}

.list-software li {
    margin-bottom: 1rem;
}

.list-software a {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--brand);
    text-decoration: none;
    transition: color 0.3s;
}

.list-software a:hover {
    color: var(--green-700);
    text-decoration: underline;
}

/* Video miniatura dentro de acordeón */
.video-mini {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.video-mini iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* --- PAGINA NOSOTROS NUEVA --- */
.about-hero {
    background: transparent;
    background-size: cover;
    background-position: center;
    color: var(--gray-900);
    padding: 8rem 0;
    text-align: center;
}

[data-theme="dark"] .about-hero {
    color: var(--gray-100);
}

/* Timeline */
.timeline-section { padding: 2rem 0; }
.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

/* La línea central */
.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--brand);
    top: 0; bottom: 0;
    left: 50%;
    margin-left: -2px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: var(--white);
    border: 4px solid var(--brand);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.left { left: 0; }
.right { left: 50%; }
.right::after { left: -10px; }

.timeline-content {
    padding: 20px 30px;
    background-color: var(--elev);
    position: relative;
    border-radius: 1rem;
    box-shadow: var(--shadow);
}

.timeline-content .year {
    font-weight: 800;
    color: var(--brand);
    font-size: 1.5rem;
}

/* Misión y Visión Modernas */
.purpose-section { background: var(--gray-50); padding: 5rem 0; }
[data-theme="dark"] .purpose-section { background: var(--black); }

.purpose-card {
    padding: 3rem;
    border-radius: 1.5rem;
    background: var(--white);
    transition: transform 0.3s ease;
    border: 1px solid var(--border);
    text-align: center;
}
[data-theme="dark"] .purpose-card { background: var(--gray-900); }

.purpose-card:hover { transform: translateY(-10px); }
.purpose-icon { font-size: 3rem; margin-bottom: 1.5rem; }

/* Modal System */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.modal.open {
    opacity: 1;
    visibility: visible;
}

.modal__content {
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    padding: 2.5rem;
    position: relative;
    background: var(--elev);
    border-radius: 1.2rem;
    overflow-y: auto; 
    display: flex;
    flex-direction: column;
}

.modal__form textarea {
    min-height: 80px;
    max-height: 150px;
    resize: vertical;
}

.modal__content::-webkit-scrollbar {
    width: 6px;
}
.modal__content::-webkit-scrollbar-thumb {
    background-color: var(--brand);
    border-radius: 10px;
}

.modal.open .modal__content {
    transform: translateY(0);
}

.modal__close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--muted);
}

.modal__header {
    margin-bottom: 2rem;
    text-align: center;
}

[data-theme="dark"] .modal__header h2 {
    color: var(--brand);
}

[data-theme="dark"] .modal__header p {
    color: var(--text);
}

.modal__header h2 {
    margin-top: 0;
    color: var(--brand);
}

.modal__form .btn--full {
    width: 100%;
    padding: 1.2rem;
    margin-top: 1rem;
}

[data-theme="dark"] .input--readonly {
    background: rgba(127, 211, 170, 0.1) !important;
    color: var(--brand) !important;
    border: 1px solid var(--brand) !important;
}

.input--readonly {
    background: var(--green-50) !important;
    font-weight: 700;
    border-color: var(--brand) !important;
}

[data-theme="dark"] .modal__form .form-group input, 
[data-theme="dark"] .modal__form .form-group textarea {
    background: #1a211e;
    color: #ffffff;
    border: 1px solid var(--border);
}

.modal__form .form-group input, 
.modal__form .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: var(--bg);
    color: var(--text);
    margin-top: 0.4rem;
}

.btn--brand {
    background: var(--brand);
    color: var(--white) !important; /* Cambiamos a blanco para que se vea pro */
    cursor: pointer;
    border: none;
    font-weight: 700;
}

.btn--brand:hover {
    filter: brightness(1.1);
    color: var(--white) !important;
}

/* Limpieza total del Login */
.login-page {
    min-height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 15rem; /* Espacio para el header fijo */
    padding-bottom: 5rem;
}

.login-container {
    width: 100%;
    max-width: 420px;
    background: var(--bg) !important; /* Forzamos fondo limpio */
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.login-tabs {
    display: flex;
    background: var(--elev);
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    flex: 1;
    padding: 1rem;
    border: none;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-weight: 700;
    font-size: 0.9rem;
    transition: 0.3s;
}

.tab-btn.active {
    background: var(--bg);
    color: var(--brand);
    border-bottom: 3px solid var(--brand);
}

.auth-content {
    display: none;
    padding: 3rem 2rem;
    background: var(--bg); /* Aseguramos que NO sea verde */
}

.auth-content.active {
    display: block;
}

.auth-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.auth-header p {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 2rem;
}

/* Cápsula de usuario premium */
.user-pill {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--elev);
    padding: 0.35rem 0.5rem 0.35rem 1rem;
    border-radius: 2rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    margin-left: 0.5rem;
}

.user-pill__name {
    font-size: 0.9rem;
    color: var(--text);
    white-space: nowrap;
}

.user-pill__name strong {
    color: var(--brand);
}

.user-pill__exit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--gray-100);
    border-radius: 50%;
    color: var(--muted);
    transition: all 0.3s ease;
}

.user-pill__exit:hover {
    background: #ff4d4d; /* Rojo suave de alerta */
    color: white;
    transform: rotate(90deg);
}

/* Ajuste para modo oscuro */
[data-theme="dark"] .user-pill__exit {
    background: var(--gray-700);
}

/* Inputs del Login */
.auth-form .form-group {
    margin-bottom: 1.2rem;
}

.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    background: var(--white) !important;
    color: var(--black);
    font-size: 1rem;
}

.auth-form input:-webkit-autofill,
.auth-form input:-webkit-autofill:hover, 
.auth-form input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0px 1000px white inset !important;
    -webkit-text-fill-color: var(--black) !important;
}

.auth-form input:focus {
    border-color: var(--brand) !important;
    background: var(--white) !important;
    box-shadow: 0 0 0 4px rgba(29, 125, 79, 0.1);
    outline: none;
}

.auth-form .btn--full {
    width: 100%;
    margin-top: 2rem;
    padding: 1rem;
    border-radius: 0.75rem;
}

.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--muted);
    cursor: pointer;
}

/* =========
   Footer
   ========= */

.site-footer {
  background: var(--elev);
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 1.25rem;
  padding: 2rem 0;
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: .5rem 0 0;
}

.footer__links a {
  color: var(--text);
  text-decoration: none;
}

.footer__policy {
  display: inline-flex;
  gap: 2rem;
  color: var(--green-700);
}

.footer__links a:hover {
  color: var(--brand);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  font-size: .95rem;
  color: var(--muted);
}

/* =========
   Floating Action Button (Contacto)
   ========= */

#contactFab {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    padding: 0;
    overflow: hidden;
    line-height: 0;
}

#contactFab img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.fab {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: var(--brand);
  color: white;
  box-shadow: var(--shadow);
  font-size: 22px;
  display: grid;
  place-items: center;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), background 0.3s;
  z-index: 100;
}

.fab.active {
  transform: rotate(180deg);
  background: var(--gray-600);
}

.fab:hover {
  filter: brightness(1.05);
}

.fab-menu {
  position: fixed; /* Cambiado de absoluto a fijo */
  right: 20px;
  bottom: 85px;
  z-index: 101; /* Un nivel por encima del botón principal */
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  
  /* Estado inicial (Oculto) */
  visibility: hidden;
  opacity: 0;
  transform: translateY(20px) scale(0.8);
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.fab-menu.open {
  visibility: visible;
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Diseño de los botones individuales (Cápsulas) */
.fab-item {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  padding: 10px 20px;
  border-radius: 50px;
  background: var(--elev);
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
  min-width: 150px;
  transition: transform 0.2s, background 0.2s;
}

.fab-item:hover {
  transform: translateX(-5px);
  background: var(--green-50) !important;
  border-color: var(--brand) !important;
  color: var(--brand) !important;
}

[data-theme="dark"] .fab-item:hover {
  background: var(--gray-700) !important;
  color: var(--brand) !important;
  border-color: var(--brand) !important;
}

.fab-item__icon {
  font-size: 1.2rem;
  display: flex;
  align-items: center;
}

.fab-item__label {
  font-weight: 600;
  font-size: 0.9rem;
}

/* =========
   Responsive
   ========= */

@media (max-width: 960px) {
  .hero__inner,
  .about__inner {
    grid-template-columns: 1fr;
  }

  .grid--2 {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .grid--3 {
        grid-template-columns: 1fr !important;
        padding: 1rem 0;
  }

  .grid--4 {
    grid-template-columns: 1fr 1fr;
  }

  .accordion__body {
        grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .catalog-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .catalog-sidebar {
        position: relative;
        top: 0;
    }

  .product-page {
        padding-top: 14rem;
    }

    .product-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .gallery__main {
        height: 300px;
        padding: 1rem;
    }

    .gallery__thumbs {
        justify-content: center;
    }

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

    .product-info h1 {
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .btn--whatsapp-pro {
        width: 100%;
        padding: 1rem;
    }

    .grid--4 {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }

    .card--similar .card__image-wrapper {
        height: 120px;
    }

    .card--similar h4 {
        font-size: 0.9rem;
    }

    .about__stats {
        grid-template-columns: 1fr !important;
        width: 100% !important;
        gap: 0.5rem;
    }

    .stat {
        display: flex;
        align-items: center;
        text-align: left;
        gap: 1rem;
        padding: 0.8rem;
    }

    .video-container {
        max-width: 100% !important;
    }

    .contact-form__form {
        padding: 0 1rem;
    }

    .timeline::after { left: 31px; }
    .timeline-item { width: 100%; padding-left: 70px; padding-right: 25px; }
    .timeline-item::after { left: 21px; }
    .right { left: 0%; }
}

@media (hover: none) and (pointer: coarse) {
  .menu {
    overflow-x: auto;
  }
}

button.menu__link {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  font-size: 1rem;
  font-family: inherit;
  padding: .9rem .9rem;
  margin: 0;
}

/* Accesibilidad: Reducir movimiento si se prefiere */
@media (prefers-reduced-motion: reduce) {
  .polygon {
    animation: none !important;
  }
}

/* Ajustes refinados Modo Oscuro */
[data-theme="dark"] {
  --bg: #0e1311;
  --text: #e6ebe8;
  --muted: #a5b1aa;
  --border: #2a2f2c;
  --elev: #141917;
  --brand: #7fd3aa;
  --brand-contrast: #0b0f0d;
  --shadow: 0 14px 40px rgba(0,0,0,.55);
}