/* =========================================================
   Consultoría Agrícola Integral — Hoja de estilos principal
   Paleta: verde tierra (identidad agraria) + azul técnico (IA/ingeniería)
   ========================================================= */

:root {
  --verde-oscuro: #1f3d2e;
  --verde-medio: #3a6b4a;
  --verde-claro: #a9c99b;
  --verde-fondo: #f2f6ee;
  --azul-tec: #2c5c73;
  --azul-tec-claro: #e7eff2;
  --tierra: #b98a4f;
  --crema: #faf8f3;
  --texto: #26302b;
  --texto-suave: #55605a;
  --blanco: #ffffff;
  --borde: #dfe3d9;
  --sombra: 0 4px 18px rgba(31, 61, 46, 0.08);
  --radio: 10px;
  --fuente-titular: "Fraunces", Georgia, serif;
  --fuente-cuerpo: "Source Sans 3", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--fuente-cuerpo);
  color: var(--texto);
  background: var(--crema);
  line-height: 1.65;
}

h1, h2, h3, h4 {
  font-family: var(--fuente-titular);
  color: var(--verde-oscuro);
  line-height: 1.2;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em; color: var(--texto-suave); }

a { color: var(--azul-tec); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--blanco);
  border-bottom: 1px solid var(--borde);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1160px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--fuente-titular);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--verde-oscuro);
}

.logo span.tagline {
  display: block;
  font-family: var(--fuente-cuerpo);
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--texto-suave);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.logo svg { flex-shrink: 0; }

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav.main-nav a {
  color: var(--texto);
  font-weight: 600;
  font-size: 0.95rem;
}

nav.main-nav a:hover { color: var(--azul-tec); text-decoration: none; }

.nav-cta {
  background: var(--verde-oscuro);
  color: var(--blanco) !important;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 0.9rem !important;
}
.nav-cta:hover { background: var(--verde-medio); }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.menu-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--verde-oscuro);
  margin: 5px 0;
  border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  background-image: url('../img/foto-campo-valencia.jpg');
  background-size: cover;
  background-position: center 65%;
  overflow: hidden;
  padding: 90px 0;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(31,61,46,0.94) 0%, rgba(31,61,46,0.78) 38%, rgba(31,61,46,0.35) 75%, rgba(31,61,46,0.15) 100%);
}

.hero .container {
  position: relative;
  z-index: 1;
}

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

.hero .eyebrow {
  color: var(--verde-claro);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.hero h1 { color: var(--blanco); }

.hero p.lead { font-size: 1.15rem; max-width: 46ch; color: rgba(255,255,255,0.92); }

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 24px; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--verde-oscuro); color: var(--blanco); }
.btn-primary:hover { background: var(--verde-medio); text-decoration: none; }
.btn-secondary { background: transparent; color: var(--verde-oscuro); border-color: var(--verde-oscuro); }
.btn-secondary:hover { background: var(--verde-oscuro); color: var(--blanco); text-decoration: none; }

.hero .btn-primary { background: var(--blanco); color: var(--verde-oscuro); }
.hero .btn-primary:hover { background: var(--verde-claro); }
.hero .btn-secondary { color: var(--blanco); border-color: rgba(255,255,255,0.75); }
.hero .btn-secondary:hover { background: rgba(255,255,255,0.15); color: var(--blanco); }

.hero-visual {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 26px;
}

.hero-visual ul { list-style: none; margin: 0; padding: 0; }
.hero-visual li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--borde);
  font-size: 0.95rem;
  color: var(--texto);
}
.hero-visual li:last-child { border-bottom: none; }
.hero-visual .icon { color: var(--azul-tec); font-weight: 700; }

/* ---------- Secciones genéricas ---------- */
section { padding: 64px 0; }
section.alt { background: var(--blanco); }
.section-head { max-width: 700px; margin: 0 auto 40px; text-align: center; }
.section-head .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--tierra);
}

/* ---------- Cards de servicios ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 26px;
}

.card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 28px 26px;
  box-shadow: var(--sombra);
  transition: transform 0.15s ease;
}
.card:hover { transform: translateY(-4px); }
.card .card-icon {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  background: var(--verde-fondo);
  border-radius: 8px;
  color: var(--verde-oscuro);
  margin-bottom: 16px;
}
.card h3 { margin-bottom: 8px; }
.card p { margin-bottom: 10px; }
.card a.card-link { font-weight: 700; font-size: 0.9rem; }

/* ---------- Blog ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}
.post-card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  overflow: hidden;
  transition: transform 0.15s ease;
  display: flex;
  flex-direction: column;
}
.post-card:hover { transform: translateY(-4px); }
.post-card .post-card-img { aspect-ratio: 16/10; overflow: hidden; }
.post-card .post-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.post-card .post-card-body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.post-tag {
  display: inline-block;
  align-self: flex-start;
  background: var(--verde-fondo);
  color: var(--verde-oscuro);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.post-date { font-size: 0.82rem; color: var(--texto-suave); margin-bottom: 6px; }
.post-card h3 { margin-bottom: 10px; }
.post-card p { margin-bottom: 14px; flex: 1; }
.post-card a.card-link { font-weight: 700; font-size: 0.9rem; margin-top: auto; }

/* ---------- Artículo de blog ---------- */
.post-header { max-width: 760px; }
.post-meta { display: flex; gap: 14px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.post-content { max-width: 760px; }
.post-content h2 { margin-top: 1.4em; }
.post-content blockquote {
  margin: 24px 0;
  padding: 4px 22px;
  border-left: 4px solid var(--tierra);
  background: var(--verde-fondo);
  border-radius: 0 6px 6px 0;
  font-style: italic;
  color: var(--texto);
}
.post-content ul { padding-left: 22px; }
.post-content li { margin-bottom: 8px; color: var(--texto-suave); }
.post-share { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--borde); }

/* ---------- Franja de confianza / retos actuales ---------- */
.retos {
  background: var(--verde-oscuro);
  color: var(--blanco);
}
.retos h2, .retos .section-head .eyebrow { color: var(--blanco); }
.retos p { color: #d9e6db; }
.retos .grid .card {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15);
  box-shadow: none;
}
.retos .card h3 { color: var(--blanco); }
.retos .card p { color: #cfe0d2; }
.retos .card .card-icon { background: rgba(255,255,255,0.12); color: var(--verde-claro); }

/* ---------- Proceso / pasos ---------- */
.pasos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  counter-reset: paso;
}
.paso { position: relative; padding-left: 46px; }
.paso::before {
  counter-increment: paso;
  content: counter(paso);
  position: absolute;
  left: 0; top: 0;
  width: 32px; height: 32px;
  background: var(--azul-tec);
  color: var(--blanco);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-family: var(--fuente-titular);
}

/* ---------- Caja IA destacada ---------- */
.ia-box {
  background: var(--azul-tec-claro);
  border: 1px solid #c9dbe2;
  border-radius: var(--radio);
  padding: 26px 28px;
  margin-top: 30px;
}
.ia-box h3 { color: var(--azul-tec); display: flex; align-items: center; gap: 8px; }

/* ---------- Herramientas / calculadoras ---------- */
.tool-card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 30px;
  margin-bottom: 30px;
}
.tool-card h3 { display: flex; align-items: center; gap: 10px; }
.tool-badge {
  display: inline-block;
  background: var(--azul-tec-claro);
  color: var(--azul-tec);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 18px; }
.field label {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  margin-bottom: 6px;
  color: var(--verde-oscuro);
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--borde);
  border-radius: 6px;
  font-family: var(--fuente-cuerpo);
  font-size: 0.95rem;
  background: var(--crema);
}
.field small { color: var(--texto-suave); font-size: 0.8rem; }
.tool-result {
  margin-top: 18px;
  padding: 18px 20px;
  background: var(--verde-fondo);
  border-left: 4px solid var(--verde-medio);
  border-radius: 6px;
  display: none;
}
.tool-result.visible { display: block; }
.tool-result .valor { font-size: 1.6rem; font-weight: 700; color: var(--verde-oscuro); font-family: var(--fuente-titular); }
.tool-disclaimer { font-size: 0.8rem; color: var(--texto-suave); margin-top: 10px; }

/* ---------- Testimonios / franja ---------- */
.franja {
  background: var(--tierra);
  color: var(--blanco);
  text-align: center;
  padding: 46px 0;
}
.franja h2 { color: var(--blanco); }
.franja .btn-secondary { border-color: var(--blanco); color: var(--blanco); }
.franja .btn-secondary:hover { background: var(--blanco); color: var(--tierra); }

/* ---------- Formulario contacto ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
}
.contact-info .info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
}
.contact-info .info-item .ic {
  width: 40px; height: 40px;
  background: var(--verde-fondo);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--verde-oscuro);
  flex-shrink: 0;
}
.contact-form {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 30px;
}
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 0.85rem; color: var(--texto-suave); margin-bottom: 18px; }
.consent input { margin-top: 4px; }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--verde-oscuro);
  color: #cfe0d2;
  padding: 50px 0 24px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
}
footer.site-footer h4 { color: var(--blanco); font-size: 1rem; }
footer.site-footer a { color: #cfe0d2; }
footer.site-footer a:hover { color: var(--blanco); }
footer.site-footer ul { list-style: none; padding: 0; margin: 0; }
footer.site-footer li { margin-bottom: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 20px;
  font-size: 0.82rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: #a9c2ac;
}

/* ---------- Página interior (servicios individuales) ---------- */
.page-hero {
  background: var(--verde-fondo);
  padding: 44px 0;
  border-bottom: 1px solid var(--borde);
}
.breadcrumb { font-size: 0.85rem; margin-bottom: 12px; }
.breadcrumb a { color: var(--texto-suave); }

.contenido-servicio {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 44px;
}
.contenido-servicio ul.check-list { list-style: none; padding: 0; }
.contenido-servicio ul.check-list li {
  padding-left: 30px;
  position: relative;
  margin-bottom: 14px;
}
.contenido-servicio ul.check-list li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--verde-medio);
  font-weight: 700;
}
.sidebar-box {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 26px;
  position: sticky;
  top: 90px;
  align-self: start;
}
.sidebar-box h4 { margin-bottom: 14px; }
.sidebar-box ul { padding-left: 18px; margin-bottom: 20px; }
.sidebar-box li { margin-bottom: 8px; font-size: 0.92rem; color: var(--texto-suave); }

/* ---------- Preguntas frecuentes (FAQ) ---------- */
.faq-list { margin-top: 10px; }
.faq-item {
  border-bottom: 1px solid var(--borde);
  padding: 16px 0;
}
.faq-item summary {
  cursor: pointer;
  font-family: var(--fuente-titular);
  color: var(--verde-oscuro);
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  color: var(--azul-tec);
  font-size: 1.3rem;
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: "\2013"; }
.faq-item p {
  margin: 12px 0 0;
  color: var(--texto-suave);
}

/* ---------- Imágenes: ilustraciones IA y fotografías ---------- */
.ilustracion-hero {
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  overflow: hidden;
}
.ilustracion-hero img, .ilustracion-hero svg { border-radius: var(--radio); width: 100%; height: auto; display: block; }

.ilustracion-servicio {
  margin-bottom: 26px;
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
}
.ilustracion-servicio img { width: 100%; height: auto; display: block; }

.foto-banda {
  position: relative;
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  margin-top: 40px;
}
.foto-banda img {
  width: 100%;
  height: auto;
  display: block;
}
.foto-banda .credito {
  position: absolute;
  bottom: 8px;
  right: 12px;
  font-size: 0.72rem;
  color: #fff;
  background: rgba(0,0,0,0.45);
  padding: 2px 8px;
  border-radius: 4px;
}
.foto-banda.pendiente {
  background: repeating-linear-gradient(45deg, var(--verde-fondo), var(--verde-fondo) 14px, #e6ede0 14px, #e6ede0 28px);
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}
.foto-banda.pendiente p {
  background: var(--blanco);
  padding: 14px 22px;
  border-radius: 8px;
  box-shadow: var(--sombra);
  max-width: 420px;
  font-weight: 600;
  color: var(--verde-oscuro);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .contact-grid, .contenido-servicio { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .sidebar-box { position: static; }
  .hero { min-height: 480px; padding: 60px 0; }
}

@media (max-width: 720px) {
  nav.main-nav {
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--blanco);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    border-bottom: 1px solid var(--borde);
    box-shadow: var(--sombra);
    display: none;
    gap: 18px;
  }
  nav.main-nav.open { display: flex; }
  .menu-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 44px 0; }
}