/* =====================================================
   COMVER — Rediseño de Landing Page
   Sistema de diseño: identidad verde renovada
   ===================================================== */

:root {
  /* Paleta principal — verdes renovados */
  --verde-950: #0d2818;
  --verde-900: #123a20;
  --verde-800: #1b4d2b;
  --verde-700: #256b3a;
  --verde-600: #2f8a49;
  --verde-500: #3fa85c;
  --verde-100: #e3f2e6;
  --verde-50:  #f2f8f0;

  /* Acento tierra / dorado — evoca especias de exportación */
  --oro-600: #b8892b;
  --oro-500: #d4a531;
  --oro-100: #faf1dc;

  /* Neutros */
  --crema: #faf8f3;
  --blanco: #ffffff;
  --carbon-900: #1a1f1c;
  --carbon-700: #3d453f;
  --carbon-500: #6b756e;
  --carbon-200: #dfe3df;
  --carbon-100: #eef1ee;

  /* Tipografía */
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Espaciado y radios */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --sombra-suave: 0 4px 24px rgba(13, 40, 24, 0.08);
  --sombra-media: 0 12px 40px rgba(13, 40, 24, 0.14);
  --contenedor: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--carbon-900);
  background: var(--crema);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--verde-950);
}

h1 { font-size: clamp(2.4rem, 4.5vw, 4rem); }
h2 { font-size: clamp(1.9rem, 3.2vw, 2.8rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }

p { margin: 0 0 1em; color: var(--carbon-700); }

.contenedor {
  max-width: var(--contenedor);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }
@media (max-width: 768px) { section { padding: 64px 0; } }

.etiqueta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--verde-700);
  background: var(--verde-100);
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.etiqueta::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--oro-500);
}

.encabezado-seccion {
  max-width: 640px;
  margin-bottom: 56px;
}
.encabezado-seccion.centrado {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* Botones */
.boton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.boton-primario {
  background: var(--verde-700);
  color: var(--blanco);
  box-shadow: var(--sombra-suave);
}
.boton-primario:hover { background: var(--verde-800); transform: translateY(-2px); }
.boton-secundario {
  background: transparent;
  border-color: var(--verde-700);
  color: var(--verde-800);
}
.boton-secundario:hover { background: var(--verde-700); color: var(--blanco); }
.boton-oro {
  background: var(--oro-500);
  color: var(--verde-950);
}
.boton-oro:hover { background: var(--oro-600); transform: translateY(-2px); }
.boton-claro {
  background: var(--blanco);
  color: var(--verde-800);
}
.boton-claro:hover { background: var(--verde-50); transform: translateY(-2px); }

/* =================== HEADER / NAV =================== */
.encabezado {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 243, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--carbon-200);
}
.barra-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--contenedor);
  margin: 0 auto;
}
.marca {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--verde-900);
}
.marca .icono-hoja {
  width: 38px; height: 38px;
  background: var(--verde-700);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanco);
  flex-shrink: 0;
}
.marca small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--verde-600);
}
.nav-enlaces {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-enlaces a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--carbon-700);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}
.nav-enlaces a:hover, .nav-enlaces a.activo { color: var(--verde-800); }
.nav-enlaces a.activo::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--oro-500);
  border-radius: 2px;
}
.nav-acciones { display: flex; align-items: center; gap: 14px; }
.selector-idioma {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--carbon-700);
  border: 1px solid var(--carbon-200);
  border-radius: 999px;
  padding: 6px 14px;
}
.boton-menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.boton-menu span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--verde-900);
  margin: 6px 0;
  transition: all 0.25s ease;
}

@media (max-width: 920px) {
  .nav-enlaces {
    position: fixed;
    top: 74px; left: 0; right: 0;
    background: var(--crema);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--carbon-200);
    transform: translateY(-130%);
    opacity: 0;
    transition: all 0.3s ease;
  }
  .nav-enlaces.abierto { transform: translateY(0); opacity: 1; }
  .boton-menu { display: block; }
  .nav-acciones .boton-primario { display: none; }
}

/* =================== HERO =================== */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--verde-950) 0%, var(--verde-800) 55%, var(--verde-700) 100%);
  color: var(--blanco);
  padding: 90px 0 120px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 15% 20%, rgba(212,165,49,0.18), transparent 40%),
                     radial-gradient(circle at 85% 80%, rgba(63,168,92,0.35), transparent 45%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.hero h1 { color: var(--blanco); }
.hero .destaque { color: var(--oro-500); font-style: italic; }
.hero-descripcion {
  color: rgba(255,255,255,0.82);
  font-size: 1.15rem;
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-etiqueta {
  background: rgba(255,255,255,0.12);
  color: var(--blanco);
}
.hero-etiqueta::before { background: var(--oro-500); }
.hero-acciones { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.hero-stats div strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.1rem;
  color: var(--oro-500);
}
.hero-stats div span {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}
.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--sombra-media);
  aspect-ratio: 4/5;
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-tarjeta-flotante {
  position: absolute;
  bottom: 24px; left: 24px; right: 24px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(6px);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--carbon-900);
  box-shadow: var(--sombra-media);
}
.hero-tarjeta-flotante .icono {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--verde-100);
  color: var(--verde-700);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.hero-tarjeta-flotante strong { display: block; font-size: 0.95rem; }
.hero-tarjeta-flotante span { font-size: 0.8rem; color: var(--carbon-500); }

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 420px; margin: 0 auto; }
}

/* Marquesina de certificaciones */
.franja-certificaciones {
  background: var(--verde-950);
  padding: 20px 0;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.marquesina {
  display: flex;
  gap: 60px;
  white-space: nowrap;
  animation: desplazar 26s linear infinite;
  width: max-content;
}
.marquesina span {
  color: rgba(255,255,255,0.6);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.marquesina span::before { content: "•"; color: var(--oro-500); }
@keyframes desplazar {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* =================== TARJETAS / GRIDS =================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 920px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
}

.tarjeta-valor {
  background: var(--blanco);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--sombra-suave);
  border: 1px solid var(--carbon-100);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.tarjeta-valor:hover { transform: translateY(-6px); box-shadow: var(--sombra-media); }
.tarjeta-valor .icono {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--verde-100);
  color: var(--verde-700);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}

.tarjeta-producto {
  background: var(--blanco);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--sombra-suave);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}
.tarjeta-producto:hover { transform: translateY(-6px); box-shadow: var(--sombra-media); }
.tarjeta-producto .imagen-producto {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}
.tarjeta-producto .imagen-producto img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.tarjeta-producto:hover .imagen-producto img { transform: scale(1.08); }
.tarjeta-producto .badge-exportacion {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--oro-500);
  color: var(--verde-950);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 12px;
  border-radius: 999px;
}
.tarjeta-producto .contenido-producto { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.tarjeta-producto h3 { margin-bottom: 8px; }
.tarjeta-producto .contenido-producto p { flex: 1; font-size: 0.92rem; }
.tarjeta-producto .enlace-producto {
  font-weight: 700;
  color: var(--verde-700);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
}

/* Sección oscura (proceso / exportación) */
.seccion-oscura {
  background: var(--verde-950);
  color: var(--blanco);
}
.seccion-oscura h2, .seccion-oscura h3 { color: var(--blanco); }
.seccion-oscura p { color: rgba(255,255,255,0.72); }
.seccion-oscura .etiqueta { background: rgba(255,255,255,0.1); color: var(--oro-500); }

.paso-proceso {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.paso-proceso:last-child { border-bottom: none; }
.paso-proceso .numero {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--oro-500);
  flex-shrink: 0;
  width: 50px;
}

/* Mapa de exportación */
.lista-paises {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 768px) { .lista-paises { grid-template-columns: repeat(2, 1fr); } }
.pais-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-weight: 600;
}
.pais-item .bandera { font-size: 1.4rem; }

/* Certificaciones */
.tarjeta-certificacion {
  background: var(--verde-50);
  border: 1px solid var(--verde-100);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
}
.tarjeta-certificacion .icono {
  width: 60px; height: 60px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--blanco);
  color: var(--verde-700);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--sombra-suave);
}

/* Testimonio / cita */
.bloque-cita {
  background: var(--oro-100);
  border-radius: var(--radius-lg);
  padding: 56px;
  text-align: center;
  position: relative;
}
.bloque-cita p {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  color: var(--verde-950);
  font-style: italic;
  max-width: 800px;
  margin: 0 auto 20px;
}
.bloque-cita .autor { font-weight: 700; color: var(--verde-800); font-family: var(--font-body); font-style: normal; }

/* CTA final */
.cta-final {
  background: linear-gradient(135deg, var(--verde-800), var(--verde-950));
  border-radius: var(--radius-lg);
  padding: 64px;
  text-align: center;
  color: var(--blanco);
  margin: 0 24px;
  position: relative;
  overflow: hidden;
}
.cta-final h2 { color: var(--blanco); }
.cta-final p { color: rgba(255,255,255,0.78); max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-acciones { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }

/* =================== FOOTER =================== */
.pie-pagina {
  background: var(--verde-950);
  color: rgba(255,255,255,0.7);
  padding: 72px 0 28px;
  margin-top: 96px;
}
.pie-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
@media (max-width: 820px) { .pie-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .pie-grid { grid-template-columns: 1fr; } }
.pie-pagina .marca { color: var(--blanco); margin-bottom: 14px; }
.pie-pagina h4 {
  color: var(--blanco);
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}
.pie-pagina ul li { margin-bottom: 12px; }
.pie-pagina a:hover { color: var(--oro-500); }
.pie-contacto-item { display: flex; gap: 10px; margin-bottom: 14px; align-items: flex-start; }
.pie-inferior {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
}
.redes-sociales { display: flex; gap: 12px; }
.redes-sociales a {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s ease;
}
.redes-sociales a:hover { background: var(--verde-700); }

/* WhatsApp flotante */
.whatsapp-flotante {
  position: fixed;
  bottom: 26px; right: 26px;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  color: var(--blanco);
  box-shadow: 0 8px 24px rgba(37,211,102,0.45);
  z-index: 90;
  transition: transform 0.2s ease;
}
.whatsapp-flotante:hover { transform: scale(1.08); }

/* Banner de página interior */
.banner-pagina {
  background: linear-gradient(160deg, var(--verde-950), var(--verde-800));
  color: var(--blanco);
  padding: 64px 0 56px;
}
.banner-pagina h1 { color: var(--blanco); margin-bottom: 12px; }
.migas { display: flex; gap: 8px; align-items: center; color: rgba(255,255,255,0.65); font-size: 0.9rem; margin-bottom: 20px; }
.migas a { color: rgba(255,255,255,0.65); }
.migas a:hover { color: var(--oro-500); }
.banner-pagina p { color: rgba(255,255,255,0.78); max-width: 620px; }

/* Formulario de contacto */
.formulario-contacto {
  background: var(--blanco);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--sombra-media);
}
.grupo-campo { margin-bottom: 20px; }
.grupo-campo label {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  margin-bottom: 8px;
  color: var(--verde-900);
}
.grupo-campo input,
.grupo-campo select,
.grupo-campo textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--carbon-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--crema);
  transition: border-color 0.2s ease;
}
.grupo-campo input:focus,
.grupo-campo select:focus,
.grupo-campo textarea:focus {
  outline: none;
  border-color: var(--verde-600);
  background: var(--blanco);
}
.fila-campos { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 620px) { .fila-campos { grid-template-columns: 1fr; } }
.mensaje-envio {
  display: none;
  background: var(--verde-100);
  color: var(--verde-800);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  margin-top: 16px;
}
.mensaje-envio.visible { display: block; }

.tarjeta-contacto-info {
  display: flex;
  gap: 16px;
  background: var(--verde-50);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 18px;
}
.tarjeta-contacto-info .icono {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--blanco);
  color: var(--verde-700);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--sombra-suave);
}
.tarjeta-contacto-info strong { display: block; color: var(--verde-900); margin-bottom: 4px; }

.mapa-embed {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 24px;
  box-shadow: var(--sombra-suave);
  filter: grayscale(0.15);
}
.mapa-embed iframe { width: 100%; height: 320px; border: 0; display: block; }

/* Nota de diseño: se evita ocultar contenido con opacity:0 a la espera
   de un IntersectionObserver — en capturas de pantalla, impresión o si
   el JS falla/tarda, el contenido quedaría invisible. El contenido es
   siempre visible; solo se añade una transición suave como mejora. */
.aparecer {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* Utilidades */
.mt-0 { margin-top: 0; }
.texto-centro { text-align: center; }