/* Variables */
:root {
  --color-bg: #0f1419;
  --color-bg-soft: #1a2332;
  --color-surface: #232f3e;
  --color-primary: #00c9a7;
  --color-primary-hover: #00e6bb;
  --color-accent: #7c3aed;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-border: #334155;
  --font: 'Plus Jakarta Sans', system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 20, 25, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav a:hover,
.nav a.active {
  color: var(--color-text);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  cursor: pointer;
  border: 2px solid transparent;
}

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

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

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

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

.btn-ghost {
  color: var(--color-text-muted);
}

.btn-ghost:hover {
  color: var(--color-text);
}

.btn-lg {
  padding: 0.9rem 1.75rem;
  font-size: 1.05rem;
}

/* Hero */
.hero {
  padding: 4rem 0 3rem;
  text-align: center;
}

.hero-inner {
  max-width: 720px;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-title .highlight {
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary), #00e6bb);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  line-height: 1.65;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
}

.hero-visual {
  max-width: 900px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
}

.hero-video {
  width: 100%;
  max-width: 900px;
  height: auto;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  display: block;
  margin: 0 auto;
  object-fit: contain;
}

.placeholder-box {
  background: var(--color-bg-soft);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.placeholder-hero {
  min-height: 380px;
}

.placeholder-label {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-align: center;
  max-width: 520px;
  line-height: 1.5;
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-contacto {
  padding-bottom: 2rem;
}

.section-contacto--enviado {
  padding-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

/* Cards funcionalidades */
.section-funcionalidades {
  background: var(--color-bg-soft);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Ventajas */
.ventajas-list {
  list-style: none;
  max-width: 640px;
  margin: 0 auto;
}

.ventajas-list li {
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  background: var(--color-bg-soft);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-primary);
  font-size: 1rem;
}

.ventajas-list li strong {
  color: var(--color-text);
}

/* Capturas */
.captura-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 3.5rem;
}

/* En pantallas medianas, reducir gap */
@media (max-width: 1024px) {
  .captura-block {
    gap: 2rem;
  }
}

.captura-block:last-child {
  margin-bottom: 0;
}

.captura-block.reverse {
  direction: rtl;
}

.captura-block.reverse > * {
  direction: ltr;
}

.captura-placeholder {
  background: var(--color-bg-soft);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

/* Cuando hay imagen: el contenedor se adapta y la imagen se ve a buen tamaño */
.captura-placeholder.has-img {
  padding: 0;
  min-height: 0;
  border: none;
  overflow: hidden;
  max-width: 100%;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Contenedor específico para imágenes verticales */
.captura-block.reverse .captura-placeholder.has-img {
  max-width: 300px;
  margin: 0 auto;
}

.captura-placeholder .captura-img {
  width: 100%;
  max-width: 560px;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  margin: 0 auto;
}

/* Contenedor específico para WhatsApp con fondo limpio (solo ese bloque, no el de voz) */
.captura-block.reverse .captura-placeholder.has-img:not(.captura-placeholder--full) {
  max-width: 300px;
  margin: 0 auto;
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  position: relative;
}

/* Imagen de voz sin fondo: que ocupe todo el espacio del contenedor */
.captura-placeholder--full {
  background: none !important;
  padding: 0 !important;
  box-shadow: none !important;
  max-width: 100%;
}

.captura-block.reverse .captura-placeholder.captura-placeholder--full {
  max-width: 100%;
}

/* Para imágenes verticales (como WhatsApp), limitar más el ancho y altura */
.captura-placeholder .captura-img[alt*="WhatsApp"],
.captura-placeholder .captura-img[alt*="whatsapp"] {
  max-width: 260px;
  max-height: 600px;
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius);
  filter: contrast(1.2) brightness(1.15);
  background: var(--color-bg-soft);
  padding: 0.75rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Imagen vertical llamada de voz (mockup móvil), misma altura que image-3 */
.captura-placeholder .captura-img-voz {
  max-width: 100%;
  width: auto;
  height: auto;
  max-height: 330px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

.captura-placeholder .placeholder-label {
  font-size: 0.85rem;
  max-width: 100%;
}

.captura-caption h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.captura-caption p {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.65;
}

/* CTA block */
.section-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, #00a88a 100%);
  color: var(--color-bg);
  text-align: center;
}

.cta-inner h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.cta-inner p {
  margin-bottom: 1.5rem;
  opacity: 0.95;
}

.cta-inner .btn-primary {
  background: var(--color-bg);
  color: var(--color-primary);
}

.cta-inner .btn-primary:hover {
  background: var(--color-surface);
  color: var(--color-primary-hover);
}

/* Contacto */
.contacto-box {
  max-width: 560px;
  margin: 0 auto;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  min-height: auto;
  transition: padding 0.35s ease;
}

.contacto-box--enviado {
  padding: 1.5rem 2rem;
}

.contacto-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-label {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text);
}

.form-label-optional {
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}

.form-input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.8;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

.form-submit {
  margin-top: 0.5rem;
  align-self: flex-start;
}

.form-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.form-mensaje {
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.form-mensaje.form-ok {
  background: rgba(0, 201, 167, 0.15);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.form-mensaje.form-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid #ef4444;
  color: #fca5a5;
}

/* Mensaje de éxito tras enviar (formulario oculto) */
.form-exito {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.4s ease, max-height 0.4s ease;
  margin: 0;
}

.form-exito.is-visible {
  opacity: 1;
  max-height: 300px;
  margin: 0;
}

.form-exito-texto {
  margin: 0;
  padding: 0;
  font-size: 1.1rem;
  color: var(--color-text);
  line-height: 1.5;
}

.form-exito-texto strong {
  color: var(--color-primary);
}

.contacto-form {
  transition: opacity 0.35s ease, max-height 0.35s ease;
}

.contacto-box--enviado .contacto-form {
  max-height: 0;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

.contacto-box {
  position: relative;
}

/* Footer */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  margin-top: 2rem;
}

.footer-inner {
  text-align: center;
}

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

/* Responsive */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .nav.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg-soft);
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--color-border);
  }

  .menu-toggle {
    display: flex;
  }

  .captura-block,
  .captura-block.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 1.5rem;
  }

  .captura-placeholder {
    min-height: 220px;
  }

  /* En móvil, las imágenes verticales aún más pequeñas */
  .captura-placeholder .captura-img[alt*="WhatsApp"],
  .captura-placeholder .captura-img[alt*="whatsapp"] {
    max-width: 220px;
    max-height: 500px;
  }

  .captura-placeholder .captura-img-voz {
    max-height: 280px;
  }

  /* En móvil también aplicar fondo sólido solo al contenedor de WhatsApp (captura 2), no al de voz */
  .captura-block.reverse .captura-placeholder.has-img:not(.captura-placeholder--full) {
    background: var(--color-bg-soft);
    padding: 1rem;
  }
}