/* =========================================================
   Grupo Altamira — estilos base
   Paleta basada en el logo real de la empresa (verde corporativo).
   ========================================================= */

:root {
  /* Colores de marca (tomados del logo: verde #4E9900) */
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7f1;
  --color-text: #1f2937;
  --color-text-muted: #6b7280;
  --color-primary: #4e9900;
  --color-primary-dark: #24390f;
  --color-primary-contrast: #ffffff;
  --color-accent: #6b8f3f;
  --color-border: #e5e7eb;
  --color-white: #ffffff;

  /* Tipografía (placeholder: fuente del sistema) */
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Espaciado */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;

  --radius: 10px;
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  --header-height: 72px;
  --transition: 0.25s ease;
}

/* ---------- Reset básico ---------- */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

/* Nota: se quitó scroll-snap-type porque, con muchas secciones de alturas distintas
   (franjas cortas de 220-420px junto a secciones largas), el "enganche" hacía que el
   scroll se sintiera trabado. Cada sección toma el alto que su contenido necesita;
   el Hero es la excepción: ese sí ocupa la pantalla completa. */

.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--space-2);
}

/* ---------- Utilidades ---------- */
.section {
  padding: var(--space-5) 0;
}

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

.section-header {
  max-width: 640px;
  margin: 0 auto var(--space-4);
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  line-height: 1.25;
  margin: 0 0 var(--space-1);
  color: var(--color-primary-dark);
}

.section-subtitle {
  color: var(--color-text-muted);
  margin: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 600;
  border: 2px solid transparent;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn:hover {
  transform: translateY(-2px);
}

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

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

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

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

.btn-outline-invert {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.btn-outline-invert:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

/* ---------- Animaciones al hacer scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 6px;
  transition: transform 0.6s ease;
}

/* Animación: el ícono gira al pasar el mouse */
.logo:hover .logo-icon,
.logo:focus-visible .logo-icon {
  transform: rotate(360deg);
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.footer-logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  padding: 6px;
  border-radius: 8px;
  margin-right: 0.6rem;
}

.footer-logo-badge .logo-icon {
  width: 34px;
  height: 34px;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  background: none;
  border: none;
  padding: 0;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-primary-dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.nav.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

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

.nav-link {
  font-weight: 500;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-5) 0;
}

.hero-slideshow {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--color-primary-dark);
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.4s ease;
}

.hero-slide.is-active {
  opacity: 1;
  animation: heroKenburns 9s ease forwards;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(100deg, rgba(8, 14, 5, 0.88) 0%, rgba(8, 14, 5, 0.72) 42%, rgba(8, 14, 5, 0.42) 75%, rgba(8, 14, 5, 0.28) 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 640px;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.2;
  color: #fff;
  margin: 0 0 var(--space-2);
}

.hero-line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.08em;
}

.hero-line span {
  display: inline-block;
  transform: translateY(115%);
  opacity: 0;
  animation: heroLineIn 0.9s cubic-bezier(0.22, 0.68, 0, 1) forwards;
}

.hero-line:nth-child(1) span {
  animation-delay: 0.15s;
}

.hero-line:nth-child(2) span {
  animation-delay: 0.32s;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.88);
  margin: 0 0 var(--space-3);
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.hero-anim {
  opacity: 0;
  transform: translateY(14px);
  animation: heroFadeUp 0.8s ease forwards;
  animation-delay: var(--hero-delay, 0s);
}

.hero-scroll-cue {
  position: absolute;
  left: 50%;
  bottom: var(--space-3);
  transform: translateX(-50%);
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  animation: heroFadeUp 0.8s ease forwards, heroBounce 2.2s ease-in-out 1.8s infinite;
  animation-delay: var(--hero-delay, 0s), 1.8s;
}

.hero-scroll-cue:hover {
  background: rgba(255, 255, 255, 0.18);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: var(--space-2);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
}

.hero-stars {
  color: #f5a623;
  letter-spacing: 0.1em;
  font-size: 0.95rem;
}

@keyframes heroKenburns {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.08);
  }
}

@keyframes heroLineIn {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes heroFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroBounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide.is-active {
    animation: none;
  }
  .hero-line span {
    animation: none;
    transform: none;
    opacity: 1;
  }
  .hero-anim {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .hero-scroll-cue {
    animation: none;
  }
}

/* ---------- Franja de cifras ---------- */
.stats-band {
  background: var(--color-primary-dark);
  padding: var(--space-4) 0;
}

.stats-band-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  text-align: center;
}

.stats-band-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stats-band-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Especificidad mayor que .stat-number para asegurar el color/tamaño blanco de la franja */
.stats-band .stat-number {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  color: #fff;
}

/* ---------- Quiénes somos ---------- */
.about-grid {
  display: grid;
  gap: var(--space-4);
}

.about-lead-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.about-lead {
  color: var(--color-text);
  font-size: 1.35rem;
  line-height: 1.45;
  max-width: 34ch;
  margin: 0;
}

.about-lead strong {
  color: var(--color-primary-dark);
}

.about-photo {
  width: 100%;
  max-width: 380px;
  border-radius: var(--radius);
  object-fit: cover;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow);
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
}

.about-highlight {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  transition-delay: var(--stagger, 0s);
}

.about-highlight-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-highlight-icon svg {
  width: 20px;
  height: 20px;
}

.about-highlight h3 {
  font-size: 1rem;
  margin: 0 0 3px;
  color: var(--color-primary-dark);
}

.about-highlight p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

/* ---------- Cards / Servicios: carrusel automático ---------- */
.cards-marquee {
  overflow: hidden;
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.cards-track {
  display: flex;
  gap: var(--space-3);
  width: max-content;
  animation: cardsMarquee 34s linear infinite;
}

.cards-marquee:hover .cards-track {
  animation-play-state: paused;
}

@keyframes cardsMarquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cards-track {
    animation: none;
  }
}

.card {
  flex: 0 0 250px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

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

.card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

.card-title {
  margin: 0 0 var(--space-1);
  font-size: 1.1rem;
  color: var(--color-primary-dark);
}

.card-text {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ---------- Planes de pago ---------- */
.payment-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  align-items: start;
}

.payment-photo {
  width: 140px;
  border-radius: var(--radius);
  object-fit: cover;
  aspect-ratio: 1 / 1;
  box-shadow: var(--shadow);
}

/* ---------- CTA destacado ---------- */
.cta-banner {
  background: var(--color-primary);
  padding: var(--space-4) 0;
}

.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  margin: 0 0 var(--space-2);
  max-width: 20ch;
}

/* La foto cubre el 100% de la sección (fondo completo, texto superpuesto) */
.cta-banner--photo-bg {
  position: relative;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.cta-banner-scrim {
  position: absolute;
  inset: 0;
  background: rgba(36, 57, 15, 0.55);
}

.cta-banner-overlay {
  position: relative;
  z-index: 1;
}

.cta-banner-overlay h2 {
  color: #fff;
}

.btn-primary-invert {
  background: #fff;
  color: var(--color-primary-dark);
}

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

/* ---------- Franja de experiencia (foto a sangre) ---------- */
.experience-band {
  background: var(--color-primary-dark);
  overflow: hidden;
}

.experience-grid {
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
}

.experience-copy {
  padding: var(--space-5) var(--space-2);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.experience-copy .eyebrow {
  color: rgba(255, 255, 255, 0.6);
}

.experience-copy h2 {
  color: #fff;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  line-height: 1.2;
  margin: var(--space-2) 0 var(--space-3);
  max-width: 16ch;
}

.experience-copy p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  line-height: 1.6;
  max-width: 46ch;
  margin: 0;
}

.experience-photo {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
}

@media (min-width: 860px) {
  .experience-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 420px;
    align-items: stretch;
    height: 420px;
  }

  .experience-photo {
    height: 100%;
  }
}

/* ---------- Descubrí todo lo que podemos hacer ---------- */
.descubre-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: start;
}

.descubre-list {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
}

.descubre-list li {
  border-top: 1px solid var(--color-border);
}

.descubre-list li:last-child {
  border-bottom: 1px solid var(--color-border);
}

.descubre-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  color: var(--color-text);
  transition: color var(--transition);
}

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

.descubre-list a > span:first-child {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.descubre-list strong {
  color: var(--color-primary-dark);
  font-size: 1rem;
}

.descubre-list a:hover strong {
  color: var(--color-primary);
}

.descubre-list a > span:first-child > span {
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.descubre-list svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

/* ---------- Historia en carrusel (Nuestros proyectos) ----------
   La foto avanza sola y hace loop infinito. La lista muestra solo 3 etapas
   a la vez (anterior / activa / siguiente): al avanzar, todo "sube" un lugar,
   como una rueda vertical. --story-slot-height debe coincidir con el valor
   usado en script.js (STORY_SLOT_HEIGHT).
*/
:root {
  --story-slot-height: 132px;
}

.story-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  width: 100%;
}

.story-sticky {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 4 / 3;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  background: #10150c;
  border: none;
  padding: 0;
  display: block;
  cursor: pointer;
}

.story-sticky img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.9s ease;
}

.story-sticky img.is-shown {
  opacity: 1;
}

.story-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-2) var(--space-3) 0.8rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: left;
}

.story-list {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.story-nav-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: color var(--transition), border-color var(--transition);
}

.story-nav-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.story-steps {
  position: relative;
  width: 100%;
  height: calc(var(--story-slot-height) * 3);
  overflow: hidden;
  margin: var(--space-1) 0;
}

.story-step {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--story-slot-height);
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 var(--space-2) 0 var(--space-3);
  border-left: 3px solid transparent;
  overflow: hidden;
  cursor: pointer;
  opacity: 0;
  transition: transform 0.6s ease, opacity 0.6s ease, filter 0.6s ease, border-left-color 0.6s ease, background 0.6s ease;
}

.story-step.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.story-step.is-prev,
.story-step.is-next {
  opacity: 0.45;
  filter: blur(1.5px);
}

.story-step.is-active {
  opacity: 1;
  filter: blur(0);
  border-left-color: var(--color-primary);
  background: var(--color-bg-alt);
  cursor: default;
}

.story-step-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.04em;
}

.story-step h3 {
  font-size: 1.05rem;
  margin: 4px 0 4px;
}

.story-step p {
  color: var(--color-text-muted);
  max-width: 48ch;
  font-size: 0.92rem;
}

.story-dots {
  display: flex;
  gap: 7px;
  padding-top: var(--space-2);
}

.story-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-border);
  transition: background 0.3s ease, transform 0.3s ease;
}

.story-dots span.is-active {
  background: var(--color-primary);
  transform: scale(1.35);
}

@media (min-width: 860px) {
  .story-wrap {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-4);
  }

  .story-sticky {
    max-width: none;
    position: sticky;
    top: calc(var(--header-height) + var(--space-3));
  }
}

/* ---------- Barra de progreso de scroll ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--color-primary);
  z-index: 200;
}

/* ---------- Revelado alternado (izquierda / derecha) ---------- */
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left {
  transform: translateX(-28px);
}

.reveal-right {
  transform: translateX(28px);
}

.reveal-left.is-visible,
.reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 15, 8, 0.92);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox-figure {
  margin: 0;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-image {
  max-width: 90vw;
  max-height: 75vh;
  object-fit: contain;
  border-radius: 6px;
}

.lightbox-caption {
  color: #fff;
  margin-top: var(--space-2);
  font-size: 0.95rem;
  text-align: center;
}

.lightbox-btn {
  position: absolute;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.lightbox-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox-close {
  top: var(--space-2);
  right: var(--space-2);
  width: 40px;
  height: 40px;
  font-size: 1.5rem;
  line-height: 1;
}

.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  font-size: 1.8rem;
  line-height: 1;
}

.lightbox-prev {
  left: var(--space-2);
}

.lightbox-next {
  right: var(--space-2);
}

/* ---------- Manos a la obra (fases) ---------- */
.phases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.phase {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.phase-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.phase h3 {
  margin: 0 0 var(--space-1);
  font-size: 1rem;
  color: var(--color-primary-dark);
}

.phase p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ---------- Por qué elegirnos ---------- */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.feature {
  padding: var(--space-2) 0;
  border-top: 1px solid var(--color-border);
}

.feature-number {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-accent);
}

.feature-title {
  margin: var(--space-1) 0;
  color: var(--color-primary-dark);
}

.feature-text {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ---------- Testimonios ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.testimonial {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  margin: 0;
}

.testimonial-stars {
  color: #f5a623;
  letter-spacing: 0.15em;
  font-size: 0.9rem;
  margin-bottom: var(--space-1);
}

.testimonial-text {
  margin: 0 0 var(--space-3);
  color: var(--color-text);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

.author-name {
  display: block;
  font-style: normal;
  font-weight: 600;
  color: var(--color-primary-dark);
}

/* ---------- Los próximos 3 pasos ---------- */
.timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  max-width: 960px;
  margin: 0 auto;
}

.timeline-item {
  position: relative;
  padding-top: calc(2.4rem + var(--space-2));
}

.timeline-number {
  position: absolute;
  left: 0;
  top: 0;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.timeline-item h3 {
  margin: 0 0 var(--space-1);
  font-size: 1.05rem;
  color: var(--color-primary-dark);
}

.timeline-item p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.timeline-cta {
  text-align: center;
  margin-top: var(--space-4);
}

/* ---------- FAQ / Accordion ---------- */
.accordion {
  max-width: 760px;
  margin: 0 auto;
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  background: none;
  border: none;
  padding: var(--space-2) 0;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.accordion-icon {
  flex-shrink: 0;
  font-size: 1.3rem;
  color: var(--color-accent);
  transition: transform var(--transition);
}

.accordion-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(45deg);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.accordion-panel p {
  margin: 0 0 var(--space-2);
  color: var(--color-text-muted);
}

/* ---------- Contacto ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.contact-details {
  display: grid;
  gap: var(--space-1);
  margin: var(--space-3) 0 0;
  color: var(--color-text-muted);
}

.contact-form {
  display: grid;
  gap: var(--space-2);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  gap: 0.4rem;
}

.form-row label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.form-row input,
.form-row textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg-alt);
  color: var(--color-text);
  resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-white);
}

/* Honeypot anti-spam: invisible para personas, visible para bots */
.form-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.form-submit {
  margin-top: var(--space-1);
}

.form-feedback {
  margin: 0;
  font-size: 0.9rem;
  min-height: 1.2em;
  color: var(--color-accent);
}

.form-feedback[data-state="success"] {
  color: var(--color-primary);
  font-weight: 600;
}

.form-feedback[data-state="error"] {
  color: #b91c1c;
  font-weight: 600;
}

.form-feedback[data-state="success"] {
  color: #15803d;
}

.form-feedback[data-state="error"] {
  color: #b91c1c;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: #cbd5e1;
  padding: var(--space-4) 0 var(--space-2);
}

.footer-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-text--footer {
  color: #fff;
}

.footer-brand-row {
  display: flex;
  align-items: center;
}

.footer-tagline {
  margin: var(--space-1) 0 0;
  font-size: 0.9rem;
  color: #94a3b8;
}

.footer-social {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  transition: background var(--transition);
}

.footer-social a:hover {
  background: rgba(255, 255, 255, 0.18);
}

.footer-nav-col h3 {
  color: #fff;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-2);
}

.footer-nav-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-nav-col a {
  color: #94a3b8;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-nav-col a:hover {
  color: #fff;
}

.footer-contact li {
  color: #94a3b8;
  font-size: 0.9rem;
}

.footer-bottom {
  padding-top: var(--space-3);
  font-size: 0.85rem;
  color: #94a3b8;
}

.footer-copy {
  margin: 0;
}

/* =========================================================
   Media queries (mobile-first)
   ========================================================= */

/* Tablet y navegación de escritorio */
@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav {
    position: static;
    flex-direction: row;
    align-items: center;
    background: none;
    border: none;
    padding: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    gap: var(--space-4);
  }

  .nav-list {
    flex-direction: row;
    gap: var(--space-3);
  }

  .about-grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: center;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline {
    grid-template-columns: repeat(3, 1fr);
  }

  .timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 1.2rem;
    left: calc(2.4rem + 0.5rem);
    right: 0;
    height: 2px;
    background: var(--color-border);
  }

  .payment-grid {
    grid-template-columns: auto 1fr;
    gap: var(--space-4);
  }

  .phases-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .descubre-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }

  .accordion {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-items: start;
    column-gap: var(--space-4);
    max-width: 960px;
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .footer-columns {
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
  }
}

/* Escritorio grande */
@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .phases-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}