/* ==========================================================================
   María José · Soluciones Digitales
   Hoja de estilos principal (mobile-first)

   Índice
   1. Variables de marca
   2. Base y reseteo
   3. Utilidades (container, iconos, botones, skip-link)
   4. Header y navegación
   5. Hero
   6. Secciones (estructura común)
   7. Sobre mí
   8. Herramientas
   9. Servicios
   10. Portafolio
   11. Footer / Contacto
   12. Botón flotante de WhatsApp (y botón volver arriba, ventana de detalle)
   13. Accesibilidad y movimiento reducido
   ========================================================================== */


/* ==========================================================================
   1. VARIABLES DE MARCA
   Todos los colores y tipografías del Manual de Marca viven aquí.
   ========================================================================== */
:root {
  /* Colores principales */
  --navy: #002D62;          /* Azul marino: títulos, fondos, logo */
  --turquoise: #14A0B9;     /* Turquesa: acento (solo textos grandes y detalles) */
  --slate: #667883;         /* Gris pizarra: apoyo */

  /* Tintas de apoyo */
  --navy-deep: #001B3B;
  --navy-60: #6681A1;
  --navy-20: #CCD5E0;
  --turquoise-60: #72C6D5;
  --turquoise-20: #D0ECF1;
  --gray-60: #A3AEB5;
  --gray-20: #E0E4E6;
  --white: #FFFFFF;

  /* Derivados para legibilidad */
  --slate-text: #566873;    /* Pizarra un poco más oscuro para textos pequeños (contraste AA) */
  --bg-soft: #F0F4F8;       /* Fondo claro de secciones alternas */

  /* Tipografías */
  --font-title: "Montserrat", "Segoe UI", system-ui, sans-serif;
  --font-body: "Open Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Medidas */
  --header-h: 4.5rem;
  --container: 1140px;
  --radius-sm: 0.75rem;
  --radius-md: 1.25rem;
  --radius-pill: 999px;
}


/* ==========================================================================
   2. BASE Y RESETEO
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 0.5rem);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--navy);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  height: auto;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-title);
  line-height: 1.2;
  text-wrap: balance;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

address {
  font-style: normal;
}

blockquote {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
}

/* Que el atributo hidden siempre gane sobre cualquier display */
[hidden] {
  display: none !important;
}


/* ==========================================================================
   3. UTILIDADES
   ========================================================================== */
.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

/* Iconos del sprite SVG */
.icon {
  display: inline-block;
  flex: none;
  width: 1.25em;
  height: 1.25em;
}

.icon--lg {
  width: 1.75rem;
  height: 1.75rem;
}

.icon--xl {
  width: 1.9rem;
  height: 1.9rem;
}

/* Enlace para saltar al contenido (teclado / lectores de pantalla) */
.skip-link {
  position: absolute;
  top: -4rem;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-title);
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  min-height: 3rem;
  padding: 0.75rem 1.5rem;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn .icon {
  transition: color 0.2s ease;
}

.btn--sm {
  min-height: 2.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--lg {
  min-height: 3.5rem;
  padding: 1rem 1.75rem;
  font-size: 1.0625rem;
}

/* CTA principal hacia WhatsApp: turquesa con azul profundo (contraste AA) */
.btn--whatsapp {
  background: var(--turquoise);
  color: var(--navy-deep);
}

/* CTA secundario sólido */
.btn--primary {
  background: var(--navy);
  color: var(--white);
}

.btn--primary .icon {
  color: var(--turquoise-60);
}

/* CTA secundario de contorno */
.btn--outline {
  border-color: var(--navy);
  background: transparent;
  color: var(--navy);
}

/* HOVER UNIFICADO de todos los botones:
   fondo blanco, borde turquesa, texto e icono en azul marino */
.btn:hover {
  border-color: var(--turquoise);
  background: var(--white);
  color: var(--navy);
}

.btn:hover .icon {
  color: var(--navy);
}


/* ==========================================================================
   4. HEADER Y NAVEGACIÓN
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-20);
  transition: box-shadow 0.2s ease;
}

/* Clase que agrega script.js al hacer scroll */
.site-header.is-scrolled {
  box-shadow: 0 10px 24px -16px rgba(0, 27, 59, 0.35);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.header__logo img {
  width: 9.5rem;
  height: auto;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ---------- Botón hamburguesa ---------- */
.nav-toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.nav-toggle:hover {
  border-color: var(--turquoise);
  background: var(--white);
}

.nav-toggle__bar {
  display: block;
  width: 1.5rem;
  height: 2px;
  border-radius: 2px;
  background: var(--navy);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

/* Se transforma en "X" cuando el menú está abierto */
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Menú (móvil: panel desplegable) ---------- */
.nav {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-20);
  box-shadow: 0 18px 24px -18px rgba(0, 27, 59, 0.3);
  visibility: hidden;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

/* Clase que agrega script.js al abrir el menú */
.nav.is-open {
  visibility: visible;
  opacity: 1;
  transform: none;
}

.nav__list {
  display: flex;
  flex-direction: column;
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
  padding-block: 0.5rem 1rem;
}

.nav__link {
  display: block;
  padding: 1rem 0.25rem;
  border-bottom: 1px solid var(--gray-20);
  font-family: var(--font-title);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
}

.nav__link:hover {
  text-decoration: underline;
  text-decoration-color: var(--turquoise);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.4em;
}

/* El menú horizontal aparece desde 1024 px; por debajo se usa la hamburguesa */
@media (min-width: 1024px) {
  :root {
    --header-h: 5rem;
  }

  /* El header usa un ancho mayor que el resto del contenido */
  .header__inner {
    width: min(100% - 3rem, 1280px);
    gap: 1.5rem;
  }

  .header__logo img {
    width: 12rem;
  }

  .nav-toggle {
    display: none;
  }

  /* En escritorio el menú es una fila normal dentro del header */
  .nav {
    position: static;
    border: 0;
    background: transparent;
    box-shadow: none;
    visibility: visible;
    opacity: 1;
    transform: none;
  }

  .nav__list {
    flex-direction: row;
    gap: clamp(1.25rem, 2vw, 2rem);
    width: auto;
    margin: 0;
    padding: 0;
  }

  .nav__link {
    padding: 0.625rem 0.25rem;
    border: 0;
    font-size: 1rem;
    white-space: nowrap;
  }

  .header__actions .btn--sm {
    min-height: 3rem;
    padding-inline: 1.375rem;
    font-size: 1rem;
    white-space: nowrap;
  }
}

@media (min-width: 1200px) {
  .header__logo img {
    width: 14rem;
  }

  .nav__list {
    gap: 2.25rem;
  }

  .nav__link {
    font-size: 1.0625rem;
  }

  .header__actions .btn--sm {
    padding-inline: 1.625rem;
    font-size: 1.0625rem;
  }
}


/* ==========================================================================
   5. HERO
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: 3rem 4rem;
  background: var(--white);
}

/* Símbolo de marca como marca de agua, como en la portada del manual */
.hero__watermark {
  position: absolute;
  top: -4%;
  right: -22%;
  width: min(95vw, 640px);
  opacity: 0.08;
  pointer-events: none;
  user-select: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 3rem;
}

.hero__title {
  font-size: clamp(2.375rem, 7.5vw, 3.875rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.hero__lead {
  max-width: 34rem;
  margin-top: 1.25rem;
  font-size: clamp(1.0625rem, 2.2vw, 1.25rem);
  color: var(--slate-text);
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero__actions .btn {
  width: 100%;
}

.hero__points {
  display: grid;
  gap: 0.625rem;
  margin-top: 2rem;
  font-size: 0.9375rem;
  font-weight: 500;
}

.hero__points li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero__points .icon {
  width: 1.125rem;
  height: 1.125rem;
  color: var(--turquoise);
}

/* ---------- Chat de WhatsApp (elemento memorable del hero) ---------- */
.hero__visual {
  display: flex;
  justify-content: center;
}

.chat {
  width: 100%;
  max-width: 21.5rem;
  overflow: hidden;
  border: 8px solid var(--navy);
  border-radius: 2rem;
  background: var(--bg-soft);
  box-shadow: 0 28px 48px -28px rgba(0, 27, 59, 0.55);
}

.chat__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  background: var(--navy);
  color: var(--white);
}

.chat__avatar {
  width: 2.25rem;
  height: 2.25rem;
  padding: 0.3rem;
  border-radius: 50%;
  background: var(--white);
  object-fit: contain;
}

.chat__name {
  font-family: var(--font-title);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.2;
}

.chat__status {
  font-size: 0.75rem;
  line-height: 1.3;
  color: var(--navy-20);
}

.chat__body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 15rem;
  padding: 1.25rem 1rem;
}

.chat__msg {
  max-width: 82%;
  padding: 0.625rem 0.875rem;
  font-size: 0.9rem;
  line-height: 1.4;
  /* Los mensajes aparecen uno tras otro al cargar la página */
  opacity: 0;
  animation: chat-in 0.45s ease forwards;
}

.chat__msg--in {
  align-self: flex-start;
  border-radius: 1rem 1rem 1rem 0.25rem;
  background: var(--white);
  animation-delay: 0.5s;
}

.chat__msg--out {
  align-self: flex-end;
  border-radius: 1rem 1rem 0.25rem 1rem;
  background: var(--turquoise-20);
  animation-delay: 1.5s;
}

.chat__msg--out + .chat__msg--in {
  animation-delay: 2.6s;
}

@keyframes chat-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 520px) {
  .hero__actions {
    flex-direction: row;
  }

  .hero__actions .btn {
    width: auto;
  }

  .hero__points {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    gap: 0.75rem 1.5rem;
  }
}

@media (min-width: 900px) {
  .hero {
    padding-block: 5rem 6rem;
  }

  .hero__watermark {
    top: -12%;
    right: -6%;
  }

  .hero__inner {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 4rem;
  }

  .hero__visual {
    justify-content: flex-end;
  }
}


/* ==========================================================================
   6. SECCIONES (estructura común)
   ========================================================================== */
.section {
  padding-block: clamp(3.5rem, 8vw, 6rem);
}

.section--light {
  background: var(--bg-soft);
}

.section__header {
  max-width: 44rem;
  margin-bottom: 2.5rem;
}

.section__title {
  font-size: clamp(1.625rem, 3.6vw, 2.375rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section__intro {
  margin-top: 0.875rem;
  font-size: 1.0625rem;
  color: var(--slate-text);
}


/* ---------- Animación al hacer scroll ----------
   script.js agrega .reveal-on al <html> y .is-visible a cada elemento
   [data-reveal] cuando entra en pantalla. Sin JavaScript, o con "reducir
   movimiento" activado, todo se ve normal y sin animación. */
.reveal-on [data-reveal]:not(.is-visible) {
  opacity: 0;
}

.reveal-on [data-reveal].is-visible {
  animation: reveal-up 0.75s cubic-bezier(0.22, 0.61, 0.36, 1) var(--reveal-delay, 0s) backwards;
}

.reveal-on [data-reveal="left"].is-visible {
  animation-name: reveal-left;
}

.reveal-on [data-reveal="right"].is-visible {
  animation-name: reveal-right;
}

.reveal-on [data-reveal="scale"].is-visible {
  animation-name: reveal-scale;
}

@keyframes reveal-up {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: none; }
}

@keyframes reveal-left {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: none; }
}

@keyframes reveal-right {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: none; }
}

@keyframes reveal-scale {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to { opacity: 1; transform: none; }
}


/* ==========================================================================
   7. SOBRE MÍ
   ========================================================================== */
.about {
  display: grid;
  gap: 2.5rem;
}

.about__content .section__title {
  max-width: 30rem;
}

.about__content > p {
  max-width: 38rem;
  margin-top: 1.125rem;
}

.about__concept {
  max-width: 38rem;
  margin-block: 1.75rem;
  padding: 1.25rem 1.5rem;
  border-left: 4px solid var(--turquoise);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--white);
}

.about__concept p:last-child {
  color: var(--slate-text);
}

.about__concept-title {
  margin-bottom: 0.375rem;
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
}

.about__points {
  display: grid;
  gap: 1.5rem;
}

.about__points li {
  padding-top: 1rem;
  border-top: 2px solid var(--navy-20);
}

.about__points h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

.about__points p {
  margin-top: 0.375rem;
  font-size: 0.9375rem;
  color: var(--slate-text);
}

@media (min-width: 640px) and (max-width: 899px) {
  .about__points {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 2rem;
  }
}

@media (min-width: 900px) {
  .about {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4.5rem;
    align-items: start;
  }

  .about__points {
    gap: 1.75rem;
    padding-top: 0.5rem;
  }
}


/* ==========================================================================
   8. HERRAMIENTAS (agrupadas por uso)
   ========================================================================== */
.tools {
  display: grid;
  gap: 1.5rem;
}

.tools__group {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border-radius: var(--radius-md);
  background: var(--bg-soft);
}

.tools__title {
  font-size: 1.25rem;
  font-weight: 700;
}

.tools__desc {
  margin-block: 0.375rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--slate-text);
}

.tools__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
  gap: 0.75rem;
}

.tool {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 1.25rem 0.875rem 0.875rem;
  border: 1px solid var(--gray-20);
  border-radius: var(--radius-sm);
  background: var(--white);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.tool__icon {
  display: grid;
  flex: none;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 0.625rem;
  background: var(--navy);
  font-family: var(--font-title);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--turquoise-60);
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.tool__name {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.25;
}

/* Hover: la herramienta se levanta, toma borde turquesa y su ícono se ilumina */
@media (hover: hover) {
  .tool:hover {
    border-color: var(--turquoise);
    box-shadow: 0 14px 24px -16px rgba(0, 27, 59, 0.45);
    transform: translateY(-4px);
  }

  .tool:hover .tool__icon {
    background: var(--turquoise);
    color: var(--navy-deep);
    transform: scale(1.1) rotate(-5deg);
  }
}

@media (min-width: 1000px) {
  .tools {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }
}


/* ==========================================================================
   9. SERVICIOS
   ========================================================================== */
.services {
  display: grid;
  gap: 1.5rem;
}

.service {
  display: flex;
  flex-direction: column;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border: 1px solid var(--gray-20);
  border-radius: var(--radius-md);
  background: var(--white);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

/* Ícono a la izquierda y título justo a su derecha */
.service__head {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.service__icon {
  display: grid;
  flex: none;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.875rem;
  background: var(--turquoise-20);
  color: var(--navy);
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.service__title {
  font-size: clamp(1.1875rem, 2.4vw, 1.375rem);
  font-weight: 700;
  line-height: 1.25;
}

.service__text {
  margin-top: 1.25rem;
  color: var(--slate-text);
}

/* Hover: la tarjeta se levanta y el ícono se invierte */
.service:hover {
  border-color: var(--turquoise);
  box-shadow: 0 24px 40px -22px rgba(0, 27, 59, 0.4);
}

.service:hover .service__icon {
  background: var(--navy);
  color: var(--turquoise-60);
  transform: scale(1.08);
}

@media (hover: hover) {
  .service:hover {
    transform: translateY(-6px);
  }
}

.service__list {
  display: grid;
  gap: 0.625rem;
  margin-block: 1.25rem 1.75rem;
  font-size: 0.9375rem;
}

.service__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
}

.service__list .icon {
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.2em;
  color: var(--turquoise);
}

.service .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* Franja "servicio integral" */
.services__combo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
  margin-top: 1.5rem;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  background: var(--navy);
  color: var(--white);
}

.services__combo-text {
  max-width: 44ch;
  font-size: 1.0625rem;
}

@media (min-width: 800px) {
  .services {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .services__combo {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    margin-top: 2rem;
    padding: 1.75rem 2.25rem;
  }
}


/* ==========================================================================
   10. PORTAFOLIO
   ========================================================================== */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter {
  min-height: 2.5rem;
  padding: 0.5rem 1.125rem;
  border: 1.5px solid var(--navy-20);
  border-radius: var(--radius-pill);
  background: transparent;
  font-family: var(--font-title);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.filter:hover {
  border-color: var(--turquoise);
  background: var(--white);
}

.filter.is-active {
  border-color: var(--navy);
  background: var(--navy);
  color: var(--white);
}

.filter.is-active:hover {
  border-color: var(--turquoise);
  background: var(--navy);
}

.portfolio {
  display: grid;
  gap: 1.5rem;
}

/* Animación de entrada solo cuando la persona cambia de filtro */
.portfolio.is-filtered .card {
  animation: card-in 0.35s ease;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--gray-20);
  border-radius: var(--radius-md);
  background: var(--white);
  cursor: pointer;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease, opacity 0.25s ease;
}

/* Relieve: la tarjeta se levanta y proyecta sombra al señalarla o enfocarla con teclado */
.card:hover,
.card:has(.card__link:focus-visible) {
  border-color: var(--turquoise);
  box-shadow: 0 24px 40px -20px rgba(0, 27, 59, 0.45);
  transform: translateY(-6px);
}

/* Las demás se atenúan para saber cuál estás viendo (solo con mouse) */
@media (hover: hover) {
  .portfolio:has(.card:hover) .card:not(:hover) {
    opacity: 0.6;
  }
}

/* Anillo de foco visible cuando se navega con teclado */
.card:has(.card__link:focus-visible) {
  outline: 3px solid var(--turquoise);
  outline-offset: 3px;
}

.card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--navy) 0%, var(--turquoise) 100%);
}

.card:nth-child(3n + 2) .card__media {
  background: linear-gradient(135deg, var(--turquoise) 0%, var(--navy-60) 100%);
}

.card:nth-child(3n) .card__media {
  background: linear-gradient(135deg, var(--slate) 0%, var(--navy) 100%);
}

/* Marca de agua mientras no hay foto */
.card__media::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -4%;
  width: 52%;
  aspect-ratio: 1;
  background: url("../assets/img/logo/simbolo.png") center / contain no-repeat;
  opacity: 0.15;
  filter: brightness(0) invert(1);
  transform: translateY(-50%);
}

.card__media:has(img)::after,
.card__media:has(img) .card__placeholder {
  display: none;
}

.card__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card:hover .card__media img {
  transform: scale(1.04);
}

.card__placeholder {
  position: absolute;
  bottom: 0.875rem;
  left: 1rem;
  z-index: 1;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  background: rgba(0, 27, 59, 0.6);
  font-family: var(--font-title);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--white);
}

.card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.625rem;
  padding: 1.25rem 1.375rem 1.5rem;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.card__tags li {
  padding: 0.2rem 0.625rem;
  border-radius: var(--radius-pill);
  background: var(--turquoise-20);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
}

.card__title {
  font-size: 1.125rem;
  font-weight: 700;
}

/* El botón del título cubre toda la tarjeta: un clic en cualquier parte abre el detalle */
.card__link {
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  text-align: left;
  color: inherit;
  cursor: pointer;
}

.card__link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1; /* por encima de todo el contenido de la tarjeta, incluido "Ver detalle" */
}

.card__link:focus-visible {
  outline: none;
}

.card__text {
  font-size: 0.9375rem;
  color: var(--slate-text);
}

.card__more {
  display: flex;
  align-items: center;
  pointer-events: none; /* solo decorativo: el clic lo recibe la tarjeta */
  margin-top: auto;
  padding-top: 0.875rem;
  border-top: 1px solid var(--gray-20);
  font-family: var(--font-title);
  font-size: 0.875rem;
  font-weight: 600;
}

/* "Ver detalle" y su flecha viajan juntos. El movimiento se aplica a este contenedor
   para que la línea gris de arriba se quede quieta. */
.card__more-inner {
  position: relative;
  left: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: left 0.5s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.card__more .icon {
  width: 1.125rem;
  height: 1.125rem;
  color: var(--turquoise);
}

/* Al señalar la tarjeta, todo "Ver detalle" se desplaza hasta el extremo derecho.
   (left: 100% lo lleva al borde derecho y translateX(-100%) lo alinea por su propio ancho) */
@media (hover: hover) {
  .card:hover .card__more-inner,
  .card:has(.card__link:focus-visible) .card__more-inner {
    left: 100%;
    transform: translateX(-100%);
  }
}

.portfolio__empty {
  margin-top: 1.5rem;
  padding: 2rem 1.5rem;
  border: 1.5px dashed var(--navy-20);
  border-radius: var(--radius-sm);
  text-align: center;
  color: var(--slate-text);
}

@media (min-width: 640px) {
  .portfolio {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .portfolio {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}


/* ==========================================================================
   10b. CÓMO TRABAJO (pasos)
   Mismo lenguaje visual que Servicios y Herramientas: fondo claro, tarjetas blancas
   con borde, ícono cuadrado y el mismo hover.
   ========================================================================== */
.steps {
  display: grid;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none; /* los números ya van dentro de cada tarjeta */
}

.step {
  padding: clamp(1.5rem, 4vw, 2rem);
  border: 1px solid var(--gray-20);
  border-radius: var(--radius-md);
  background: var(--white);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

/* Mismo cuadrado redondeado que los íconos de Herramientas */
.step__num {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 0.625rem;
  background: var(--navy);
  font-family: var(--font-title);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--turquoise-60);
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.step__title {
  margin-top: 1.25rem;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
}

.step__text {
  margin-top: 0.625rem;
  color: var(--slate-text);
}

/* Hover igual al de Servicios y Herramientas */
@media (hover: hover) {
  .step:hover {
    border-color: var(--turquoise);
    box-shadow: 0 24px 40px -22px rgba(0, 27, 59, 0.4);
    transform: translateY(-6px);
  }

  .step:hover .step__num {
    background: var(--turquoise);
    color: var(--navy-deep);
    transform: scale(1.1) rotate(-5deg);
  }
}

@media (min-width: 640px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}


/* ==========================================================================
   11. FOOTER / CONTACTO
   ========================================================================== */
.site-footer {
  background: var(--navy);
  color: var(--white);
}

.footer__cta {
  padding-block: clamp(3rem, 7vw, 5rem) 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.footer__title {
  max-width: 24ch;
  font-size: clamp(1.75rem, 4.8vw, 2.875rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.footer__lead {
  margin-block: 0.875rem 1.75rem;
  font-size: 1.125rem;
  color: var(--turquoise-20);
}

.footer__grid {
  display: grid;
  gap: 2.25rem;
  padding-block: 2.5rem;
}

.footer__brand img {
  width: 14rem;
  height: auto;
}

.footer__slogan {
  margin-top: 0.875rem;
  font-size: 0.9375rem;
  color: var(--navy-20);
}

.footer__heading {
  margin-bottom: 0.875rem;
  font-size: 1rem;
  font-weight: 600;
}

.footer__contact ul {
  display: grid;
  gap: 0.75rem;
}

.footer__contact li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.footer__contact .icon {
  color: var(--turquoise);
}

.footer__contact a {
  text-decoration: none;
}

.footer__contact a:hover {
  color: var(--turquoise-60);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.social {
  display: flex;
  gap: 0.75rem;
}

.social__link {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: var(--white);
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.social__link:hover {
  border-color: var(--turquoise);
  background: var(--white);
  color: var(--navy);
}

.footer__bottom {
  padding-block: 1.25rem 8.5rem; /* espacio para los botones flotantes en móvil */
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.8125rem;
  color: var(--navy-20);
}

.footer__bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

@media (min-width: 800px) {
  .footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 3rem;
  }

  .footer__bottom {
    padding-bottom: 1.25rem;
  }
}


/* ==========================================================================
   12. BOTÓN FLOTANTE DE WHATSAPP
   ========================================================================== */
.wa-float {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 50;
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border: 2px solid transparent;
  border-radius: 50%;
  background: var(--turquoise);
  color: var(--navy-deep);
  box-shadow: 0 10px 22px -8px rgba(0, 27, 59, 0.55);
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.wa-float:hover {
  border-color: var(--turquoise);
  background: var(--white);
  color: var(--navy);
}


/* ==========================================================================
   12b. BOTÓN VOLVER ARRIBA
   ========================================================================== */
.to-top {
  position: fixed;
  right: max(1.25rem, env(safe-area-inset-right));
  bottom: calc(max(1rem, env(safe-area-inset-bottom)) + 4.25rem);
  z-index: 49;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border: 2px solid var(--turquoise);
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 10px 22px -10px rgba(0, 27, 59, 0.55);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease,
    background-color 0.2s ease, color 0.2s ease;
}

/* Clase que agrega script.js al bajar en la página */
.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover {
  background: var(--white);
  color: var(--navy);
}


/* ==========================================================================
   12c. VENTANA DE DETALLE DEL PROYECTO
   ========================================================================== */
body.has-modal {
  overflow: hidden;
}

.modal {
  width: min(100% - 1.5rem, 58rem);
  max-height: calc(100dvh - 1.5rem);
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--navy);
}

.modal[open] {
  animation: modal-in 0.25s ease;
}

.modal::backdrop {
  background: rgba(0, 27, 59, 0.72);
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.modal__scroll {
  max-height: calc(100dvh - 1.5rem);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.modal__close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 50%;
  background: var(--white);
  color: var(--navy);
  box-shadow: 0 6px 16px -6px rgba(0, 27, 59, 0.5);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.modal__close:hover {
  border-color: var(--turquoise);
  background: var(--white);
  color: var(--navy);
}

.detail {
  display: grid;
}

.detail__media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--navy) 0%, var(--turquoise) 100%);
}

.detail__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Galería para piezas verticales (flyers, afiches): se ven completas, sin recortar */
.detail__media--gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-content: center;
  gap: 0.75rem;
  aspect-ratio: auto;
  padding: 3.75rem 1rem 1rem; /* deja libre la X de cerrar en pantallas pequeñas */
  background: linear-gradient(135deg, #ECF2F8 0%, #D0DEEC 100%);
}

.detail__media--gallery a {
  display: block;
  border-radius: 0.5rem;
}

.detail__media--gallery img {
  position: static;
  width: 100%;
  height: auto;
  border-radius: 0.5rem;
  object-fit: contain;
  box-shadow: 0 16px 28px -16px rgba(0, 27, 59, 0.55);
  transition: transform 0.25s ease;
}

.detail__media--gallery a:hover img {
  transform: translateY(-4px);
}

.detail__hint {
  grid-column: 1 / -1;
  margin-top: 0.25rem;
  font-size: 0.8125rem;
  text-align: center;
  color: var(--slate-text);
}

@media (min-width: 800px) {
  .detail__media--gallery {
    padding-top: 1.5rem;
  }
}

/* Una sola pieza (post, banner o historia): se ve completa, sin recortar */
.detail__media--single {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0.75rem;
  aspect-ratio: auto;
  padding: 3.75rem 1rem 1rem; /* deja libre la X de cerrar */
  background: linear-gradient(135deg, #ECF2F8 0%, #D0DEEC 100%);
}

.detail__media--single a {
  display: block;
  max-width: 100%;
  border-radius: 0.5rem;
}

.detail__media--single img {
  position: static;
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: min(70vh, 640px);
  border-radius: 0.5rem;
  object-fit: contain;
  box-shadow: 0 16px 28px -16px rgba(0, 27, 59, 0.55);
  transition: transform 0.25s ease;
}

.detail__media--single a:hover img {
  transform: translateY(-4px);
}

@media (min-width: 800px) {
  .detail__media--single {
    padding-top: 1.5rem;
  }

  /* En la ventana apilada (banner) la imagen queda arriba: se deja libre la X */
  .detail--stacked .detail__media--single {
    padding-top: 3.75rem;
  }
}

.detail__body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem 1.5rem 1.75rem;
}

.detail__title {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.detail__lead {
  color: var(--slate-text);
}

.detail__facts {
  display: grid;
  gap: 1rem;
  margin: 0;
}

.detail__facts > div {
  padding-top: 0.875rem;
  border-top: 1px solid var(--gray-20);
}

.detail__facts dt {
  font-family: var(--font-title);
  font-size: 0.9375rem;
  font-weight: 600;
}

.detail__facts dd {
  margin: 0.25rem 0 0;
  font-size: 0.9375rem;
  color: var(--slate-text);
}

.detail .btn {
  align-self: flex-start;
  margin-top: 0.5rem;
}

@media (min-width: 800px) {
  .detail {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .detail__media {
    aspect-ratio: auto;
    min-height: 100%;
  }

  .detail__body {
    padding: 3.25rem 2rem 2rem;
  }
}


/* Ventana apilada: imagen arriba y texto abajo, en dos columnas (para piezas anchas como el banner) */
@media (min-width: 800px) {
  .detail.detail--stacked {
    grid-template-columns: 1fr;
  }

  .detail--stacked .detail__body {
    padding: 1.75rem 2rem 2rem;
  }

  .detail--stacked .detail__title,
  .detail--stacked .detail__lead {
    max-width: 46rem;
  }

  .detail--stacked .detail__facts {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 2rem;
  }
}


/* Ventana sin imagen (la agrega script.js cuando no hay ninguna): solo texto, a todo el ancho */
.detail--text .detail__body {
  padding-top: 3.5rem; /* deja libre la X de cerrar */
}

@media (min-width: 800px) {
  .detail.detail--text {
    grid-template-columns: 1fr;
  }

  .detail--text .detail__body {
    padding: 3.5rem 2.5rem 2.25rem;
  }

  .detail--text .detail__title,
  .detail--text .detail__lead {
    max-width: 46rem;
  }

  .detail--text .detail__facts {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 2rem;
  }
}

/* ==========================================================================
   13. ACCESIBILIDAD Y MOVIMIENTO REDUCIDO
   ========================================================================== */
:focus-visible {
  outline: 3px solid var(--turquoise);
  outline-offset: 3px;
}

.site-footer :focus-visible {
  outline-color: var(--white);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .chat__msg {
    opacity: 1;
  }
}