/* ==========================================================================
   TIAGROLL — Riego y Nutrición Agrícola
   Hoja de estilos principal
   ========================================================================== */

:root {
  --verde: #19703C;
  --verde-oscuro: #124d29;
  --verde-claro: #e8f3ec;
  --azul: #0666D1;
  --azul-claro: #e6f0fc;
  --rojo: #E92025;
  --amarillo: #FFD64F;
  --blanco: #FFFFFF;
  --gris-texto: #3a4a41;
  --gris-suave: #6b7a71;
  --fondo-suave: #f7faf8;
  --sombra: 0 10px 30px rgba(18, 77, 41, 0.10);
  --radio: 16px;
  --contenedor: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gris-texto);
  background: var(--blanco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Poppins', 'Inter', sans-serif;
  color: var(--verde-oscuro);
  line-height: 1.2;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; }

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

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

.contenedor {
  width: 100%;
  max-width: var(--contenedor);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 88px 0; }

.seccion-suave { background: var(--fondo-suave); }
.seccion-verde {
  background: linear-gradient(135deg, var(--verde) 0%, var(--verde-oscuro) 100%);
  color: var(--blanco);
}
.seccion-verde h2, .seccion-verde h3 { color: var(--blanco); }

.etiqueta {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--verde);
  background: var(--verde-claro);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.seccion-verde .etiqueta {
  color: var(--blanco);
  background: rgba(255,255,255,0.15);
}

.titulo-seccion {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  max-width: 700px;
}

.subtitulo-seccion {
  color: var(--gris-suave);
  max-width: 640px;
  font-size: 1.05rem;
}

.seccion-verde .subtitulo-seccion { color: rgba(255,255,255,0.85); }

/* ---------- Botones ---------- */
.boton {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.boton:hover { transform: translateY(-2px); }

.boton-primario {
  background: var(--azul);
  color: var(--blanco);
  box-shadow: 0 8px 20px rgba(6, 102, 209, 0.30);
}
.boton-primario:hover { background: #0555b3; }

.boton-whatsapp {
  background: #25D366;
  color: var(--blanco);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.30);
}
.boton-whatsapp:hover { background: #1fb958; }

.boton-secundario {
  background: transparent;
  border-color: rgba(255,255,255,0.6);
  color: var(--blanco);
}
.boton-secundario:hover { background: rgba(255,255,255,0.12); }

.boton-outline-verde {
  background: transparent;
  border-color: var(--verde);
  color: var(--verde);
}
.boton-outline-verde:hover { background: var(--verde-claro); }

/* ---------- Header ---------- */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(18,77,41,0.08);
}

.barra-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.logo-nav img { height: 46px; width: auto; }

.menu-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0; padding: 0;
}

.menu-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--gris-texto);
  position: relative;
  padding: 6px 0;
}
.menu-nav a:hover { color: var(--verde); }

.nav-derecha { display: flex; align-items: center; gap: 16px; }

.boton-tel {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--verde-oscuro);
  font-size: 0.95rem;
}
.boton-tel svg { width: 18px; height: 18px; flex-shrink: 0; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle svg { width: 28px; height: 28px; color: var(--verde-oscuro); }

/* ---------- Hero ---------- */
.hero {
  padding: 168px 0 96px;
  background:
    radial-gradient(circle at 85% 20%, rgba(6,102,209,0.10), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(233,32,37,0.08), transparent 40%),
    linear-gradient(180deg, #f2f8f4 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.2vw, 3.2rem);
  margin-bottom: 20px;
}
.hero h1 span { color: var(--verde); }

.hero-descripcion {
  font-size: 1.12rem;
  color: var(--gris-suave);
  max-width: 540px;
  margin-bottom: 32px;
}

.hero-acciones {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-metricas {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}

.metrica strong {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: 1.8rem;
  color: var(--verde-oscuro);
}
.metrica span {
  font-size: 0.88rem;
  color: var(--gris-suave);
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual-tarjeta {
  background: var(--blanco);
  border-radius: 24px;
  box-shadow: var(--sombra);
  padding: 40px;
  text-align: center;
  width: 100%;
  max-width: 380px;
}
.hero-visual-tarjeta img { width: 200px; margin: 0 auto 20px; }
.hero-visual-tarjeta p {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  color: var(--verde-oscuro);
  font-size: 1.05rem;
  margin: 0;
}
.franja-colores {
  display: flex;
  height: 8px;
  border-radius: 8px;
  overflow: hidden;
  margin-top: 24px;
}
.franja-colores span { flex: 1; }

/* ---------- Franja de marca / slogan ---------- */
.franja-slogan {
  background: var(--verde-oscuro);
  color: var(--blanco);
  text-align: center;
  padding: 22px 0;
}
.franja-slogan p {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

/* ---------- Nosotros ---------- */
.nosotros-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: center;
}

.nosotros-visual {
  background: var(--verde-claro);
  border-radius: var(--radio);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nosotros-visual img { width: 100%; max-width: 260px; }

.lista-valores {
  list-style: none;
  padding: 0; margin: 24px 0 0;
  display: grid;
  gap: 14px;
}
.lista-valores li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-weight: 500;
}
.icono-check {
  flex-shrink: 0;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--verde);
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
}
.icono-check svg { width: 14px; height: 14px; color: var(--blanco); }

/* ---------- Servicios ---------- */
.rejilla-servicios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.tarjeta-servicio {
  background: var(--blanco);
  border: 1px solid rgba(18,77,41,0.08);
  border-radius: var(--radio);
  padding: 32px 28px;
  box-shadow: var(--sombra);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.tarjeta-servicio:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(18,77,41,0.15);
}

.icono-servicio {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.icono-servicio svg { width: 28px; height: 28px; }

.icono-servicio.verde { background: var(--verde-claro); color: var(--verde); }
.icono-servicio.azul { background: var(--azul-claro); color: var(--azul); }
.icono-servicio.rojo { background: #fde9e9; color: var(--rojo); }
.icono-servicio.amarillo { background: #fff8e6; color: #c99408; }

.tarjeta-servicio h3 { font-size: 1.18rem; margin-bottom: 10px; }
.tarjeta-servicio p { color: var(--gris-suave); font-size: 0.96rem; margin-bottom: 0; }

/* ---------- Propuesta de valor ---------- */
.rejilla-valor {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.tarjeta-valor {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radio);
  padding: 28px;
}
.tarjeta-valor svg { width: 30px; height: 30px; margin-bottom: 16px; color: var(--amarillo); }
.tarjeta-valor p { color: rgba(255,255,255,0.9); margin: 0; font-size: 0.98rem; }

/* ---------- Marcas ---------- */
.franja-marcas {
  padding: 56px 0;
  border-top: 1px solid rgba(18,77,41,0.08);
  border-bottom: 1px solid rgba(18,77,41,0.08);
}
.rejilla-marcas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.chip-marca {
  background: var(--fondo-suave);
  border: 1px solid rgba(18,77,41,0.08);
  border-radius: 12px;
  padding: 18px 12px;
  text-align: center;
  font-weight: 700;
  color: var(--verde-oscuro);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 84px;
}
.chip-marca img {
  max-height: 46px;
  max-width: 100%;
  object-fit: contain;
}
.nota-marcas {
  font-size: 0.85rem;
  color: var(--gris-suave);
  margin-top: 16px;
}

.franja-alianza {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px dashed rgba(18,77,41,0.15);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.franja-alianza .etiqueta { margin-bottom: 0; }

/* ---------- Galería de proyectos ---------- */
.rejilla-galeria {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 190px;
  gap: 14px;
  margin-top: 48px;
}
.item-galeria {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--sombra);
}
.item-galeria.grande { grid-column: span 2; grid-row: span 2; }
.item-galeria img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.item-galeria:hover img { transform: scale(1.06); }
.item-galeria .pie-galeria {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 14px 16px;
  background: linear-gradient(180deg, transparent, rgba(10,30,17,0.82));
  color: var(--blanco);
  font-size: 0.88rem;
  font-weight: 600;
}

/* ---------- Formulario de contacto ---------- */
.formulario-contacto {
  background: var(--blanco);
  border: 1px solid rgba(18,77,41,0.08);
  border-radius: var(--radio);
  padding: 28px;
  box-shadow: var(--sombra);
  display: grid;
  gap: 16px;
}
.campo-formulario { display: grid; gap: 6px; }
.campo-formulario label { font-size: 0.88rem; font-weight: 600; color: var(--verde-oscuro); }
.campo-formulario input,
.campo-formulario textarea {
  border: 1.5px solid rgba(18,77,41,0.15);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--gris-texto);
  background: var(--fondo-suave);
}
.campo-formulario input:focus,
.campo-formulario textarea:focus {
  outline: none;
  border-color: var(--azul);
  background: var(--blanco);
}
.formulario-contacto .boton { justify-self: start; border: none; }
.nota-formulario { font-size: 0.82rem; color: var(--gris-suave); margin: 0; }

/* ---------- Blog ---------- */
.cabecera-pagina {
  padding: 160px 0 64px;
  background: linear-gradient(180deg, #f2f8f4 0%, #ffffff 100%);
}
.cabecera-pagina .titulo-seccion { margin: 0 auto; }
.migaja {
  font-size: 0.85rem;
  color: var(--gris-suave);
  margin-bottom: 16px;
}
.migaja a:hover { color: var(--verde); }

.rejilla-blog {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.tarjeta-blog {
  background: var(--blanco);
  border: 1px solid rgba(18,77,41,0.08);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.tarjeta-blog:hover { transform: translateY(-6px); box-shadow: 0 16px 36px rgba(18,77,41,0.15); }
.tarjeta-blog img { width: 100%; height: 190px; object-fit: cover; }
.tarjeta-blog .cuerpo-tarjeta-blog { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.tarjeta-blog .categoria-blog { font-size: 0.78rem; font-weight: 700; color: var(--verde); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 10px; }
.tarjeta-blog h3 { font-size: 1.12rem; margin-bottom: 10px; }
.tarjeta-blog p { color: var(--gris-suave); font-size: 0.92rem; flex: 1; }
.tarjeta-blog .leer-mas { font-weight: 700; color: var(--azul); font-size: 0.9rem; margin-top: 12px; }

/* Artículo individual */
.articulo {
  padding: 150px 0 96px;
  max-width: 760px;
}
.articulo .categoria-blog { font-size: 0.8rem; font-weight: 700; color: var(--verde); text-transform: uppercase; letter-spacing: 0.05em; }
.articulo h1 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); margin: 10px 0 14px; }
.articulo .meta-articulo { color: var(--gris-suave); font-size: 0.9rem; margin-bottom: 32px; }
.imagen-portada {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  margin-bottom: 36px;
}
.cuerpo-articulo p { color: var(--gris-texto); font-size: 1.05rem; margin-bottom: 22px; }
.cuerpo-articulo h2 { font-size: 1.3rem; margin-top: 40px; margin-bottom: 14px; }
.cuerpo-articulo ul, .cuerpo-articulo ol { padding-left: 22px; margin-bottom: 22px; }
.cuerpo-articulo li { color: var(--gris-texto); font-size: 1.02rem; margin-bottom: 10px; }
.imagen-articulo {
  width: 100%;
  max-height: 380px;
  object-fit: cover;
  border-radius: 14px;
  margin: 8px 0 28px;
  box-shadow: var(--sombra);
}
.pie-imagen { font-size: 0.85rem; color: var(--gris-suave); margin-top: -20px; margin-bottom: 28px; }
.svg-ilustracion {
  object-fit: contain !important;
  background: var(--fondo-suave);
  padding: 22px;
  box-sizing: border-box;
}
.tarjeta-blog img.svg-ilustracion { height: 190px; padding: 14px; }
.recuadro-cta {
  background: var(--verde-claro);
  border-radius: var(--radio);
  padding: 28px;
  margin-top: 40px;
  text-align: center;
}
.recuadro-cta p { color: var(--verde-oscuro); font-weight: 600; margin-bottom: 16px; }

@media (max-width: 960px) {
  .rejilla-blog { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .rejilla-blog { grid-template-columns: 1fr; }
  .articulo { padding-top: 130px; }
}

/* ---------- Selector de idioma ---------- */
.selector-idioma {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--fondo-suave);
  border-radius: 999px;
  padding: 3px;
  font-size: 0.82rem;
  font-weight: 700;
}
.selector-idioma a {
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--gris-suave);
}
.selector-idioma a.activo {
  background: var(--verde);
  color: var(--blanco);
}

/* ---------- Contacto ---------- */
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  margin-top: 48px;
  align-items: start;
}

.tarjeta-contacto-info {
  display: grid;
  gap: 20px;
}
.item-contacto {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--blanco);
  border: 1px solid rgba(18,77,41,0.08);
  border-radius: 14px;
  padding: 20px;
  box-shadow: var(--sombra);
}
.item-contacto .icono-servicio { margin-bottom: 0; flex-shrink: 0; }
.item-contacto h4 { margin: 0 0 4px; font-size: 1rem; }
.item-contacto p { margin: 0; color: var(--gris-suave); font-size: 0.95rem; }
.item-contacto a:hover { color: var(--verde); }

.redes-sociales { display: flex; gap: 12px; margin-top: 8px; }
.icono-red {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--verde-claro);
  color: var(--verde);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s ease, color 0.15s ease;
}
.icono-red:hover { background: var(--verde); color: var(--blanco); }
.icono-red svg { width: 20px; height: 20px; }

.mapa-tarjeta {
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  border: 1px solid rgba(18,77,41,0.08);
  background:
    radial-gradient(circle at 30% 30%, rgba(6,102,209,0.12), transparent 55%),
    radial-gradient(circle at 75% 70%, rgba(25,112,60,0.12), transparent 55%),
    var(--fondo-suave);
  height: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px;
}
.mapa-tarjeta-icono {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--verde);
  color: var(--blanco);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.mapa-tarjeta-icono svg { width: 32px; height: 32px; }
.mapa-tarjeta h4 { margin-bottom: 4px; font-size: 1.1rem; }
.mapa-tarjeta p { color: var(--gris-suave); margin-bottom: 24px; }

/* ---------- CTA final ---------- */
.cta-final {
  background: linear-gradient(135deg, var(--azul) 0%, #044a99 100%);
  color: var(--blanco);
  text-align: center;
  padding: 72px 0;
}
.cta-final h2 { color: var(--blanco); }
.cta-final .subtitulo-seccion { color: rgba(255,255,255,0.85); margin: 0 auto 32px; }
.cta-acciones { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
footer {
  background: #0e2b18;
  color: rgba(255,255,255,0.75);
  padding: 56px 0 24px;
}
.pie-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.pie-logo img { height: 40px; margin-bottom: 16px; }
.pie-grid h4 {
  color: var(--blanco);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.pie-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.pie-grid a { font-size: 0.92rem; }
.pie-grid a:hover { color: var(--amarillo); }
.pie-base {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
}

/* ---------- Botón flotante WhatsApp ---------- */
.whatsapp-flotante {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
  transition: transform 0.15s ease;
}
.whatsapp-flotante:hover { transform: scale(1.08); }
.whatsapp-flotante svg { width: 30px; height: 30px; color: var(--blanco); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .nosotros-grid, .contacto-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .rejilla-servicios, .rejilla-valor { grid-template-columns: repeat(2, 1fr); }
  .pie-grid { grid-template-columns: 1fr 1fr; }
  .rejilla-galeria { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 170px; }
  .item-galeria.grande { grid-column: span 2; grid-row: span 1; }
}

@media (max-width: 720px) {
  section { padding: 64px 0; }
  .menu-nav, .boton-tel { display: none; }
  .menu-toggle { display: block; }
  .menu-nav.abierto {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--blanco);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
  }
  .menu-nav.abierto li { width: 100%; border-top: 1px solid rgba(18,77,41,0.08); }
  .menu-nav.abierto a { display: block; padding: 14px 0; }
  .hero { padding-top: 140px; }
  .rejilla-servicios, .rejilla-valor, .pie-grid { grid-template-columns: 1fr; }
  .hero-metricas { gap: 24px; }
  .contacto-grid { gap: 32px; }
  .rejilla-galeria { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 130px; }
}