/* =========================================
   HECU Agrifood TM — Estilos principales
   Mobile-first, responsive, vanilla CSS
   ========================================= */

/* --- Variables de diseño --- */
:root {
  --color-primary: #1a5c2a;
  --color-dark:    #0f3219;
  --color-accent:  #6ab87a;
  --color-bg:      #f4fbf5;
  --color-text:    #2d4a30;
  --color-white:   #ffffff;

  --font-heading: 'Cormorant Garamond', serif;
  --font-body:    'Outfit', sans-serif;

  --radius-btn:  999px;
  --radius-card: 16px;
  --transition:  0.3s ease;
  --shadow:      0 4px 28px rgba(26, 92, 42, 0.12);
  --container:   1200px;
}

/* --- Reset base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.75;
  font-size: 1rem;
}
img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--font-body); }

/* --- Contenedor centrado --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* --- Secciones genéricas --- */
section { padding-block: 5rem; }

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  color: var(--color-dark);
  text-align: center;
  margin-bottom: 1rem;
  line-height: 1.15;
}
.section__title--left { text-align: left; }

.section__intro {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: 3rem;
  font-size: 1.05rem;
  color: var(--color-text);
}

/* =========================================
   BOTONES
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-btn);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border: 2px solid transparent;
  transition:
    background-color var(--transition),
    color var(--transition),
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
  line-height: 1;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

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

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

.btn--ver-mas {
  align-self: flex-start;
  background: none;
  border: 1.5px solid var(--color-accent);
  color: var(--color-primary);
  padding: 0.45rem 1.1rem;
  font-size: 0.875rem;
  margin-top: 0.75rem;
}
.btn--ver-mas:hover { background-color: rgba(106,184,122,0.12); transform: none; box-shadow: none; }
.btn--ver-mas i { transition: transform var(--transition); font-size: 0.75rem; }
.btn--ver-mas.active i { transform: rotate(180deg); }

.btn--submit {
  width: 100%;
  font-size: 1rem;
  padding: 0.85rem 2rem;
}

/* =========================================
   HEADER / NAV
   ========================================= */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background-color var(--transition), box-shadow var(--transition);
}
#header.scrolled {
  background-color: var(--color-dark);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.1rem;
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.02em;
  z-index: 1001;
  position: relative;
}

.nav__menu {
  display: flex;
  gap: 2rem;
}

.nav__link {
  color: var(--color-white);
  font-size: 0.95rem;
  font-weight: 400;
  position: relative;
  padding-bottom: 3px;
  transition: opacity var(--transition);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition);
  border-radius: 2px;
}
.nav__link:hover::after,
.nav__link.active::after { width: 100%; }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px;
  z-index: 1001;
  position: relative;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* Estado menú abierto */
.nav.nav-open .nav__hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.nav-open .nav__hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav.nav-open .nav__hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================
   HERO
   ========================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background-color: var(--color-dark);
  background-image: url('../img/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  padding-block: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 50, 25, 0.90) 0%,
    rgba(26, 92, 42, 0.70) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-top: 7rem;
  padding-bottom: 5rem;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 7vw, 4.8rem);
  font-weight: 300;
  color: var(--color-white);
  line-height: 1.12;
  max-width: 820px;
  margin-bottom: 1.5rem;
}

.hero__subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-weight: 300;
  max-width: 620px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* =========================================
   STATS
   ========================================= */
.stats {
  background-color: var(--color-white);
  padding-block: 4rem;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.stats__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-card);
  background-color: var(--color-bg);
  border: 1px solid rgba(106, 184, 122, 0.25);
  transition: box-shadow var(--transition), transform var(--transition);
}
.stats__item:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.stats__icon {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.stats__number {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.4rem;
  line-height: 1.2;
}

.stats__text {
  font-size: 0.9rem;
  color: var(--color-text);
  opacity: 0.8;
}

/* =========================================
   SERVICIOS
   ========================================= */
.servicios { background-color: var(--color-bg); }

.servicios__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* Tarjeta limpia con enlace */
.servicio-card {
  background-color: var(--color-white);
  border: 1px solid rgba(106, 184, 122, 0.15);
  border-radius: var(--radius-card);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.servicio-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-5px);
  border-color: var(--color-accent);
}
.servicio-card--featured {
  border-color: var(--color-accent);
  background: linear-gradient(145deg, rgba(106,184,122,0.07) 0%, var(--color-white) 60%);
}

.servicio-card__icon-wrap {
  width: 60px;
  height: 60px;
  background-color: rgba(26, 92, 42, 0.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: background-color var(--transition);
}
.servicio-card:hover .servicio-card__icon-wrap {
  background-color: rgba(26, 92, 42, 0.16);
}
.servicio-card__icon-wrap i {
  font-size: 1.6rem;
  color: var(--color-primary);
}

.servicio-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: 0.65rem;
}

.servicio-card__desc {
  font-size: 0.875rem;
  color: var(--color-text);
  opacity: 0.82;
  line-height: 1.65;
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

/* Botón enlace de tarjeta */
.btn--card {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-primary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: gap var(--transition), color var(--transition);
}
.btn--card:hover {
  color: var(--color-dark);
  gap: 0.75rem;
}
.btn--card i { font-size: 0.72rem; }

/* =========================================
   NOSOTROS
   ========================================= */
.nosotros { background-color: var(--color-white); }

.nosotros__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.nosotros__imagen img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
}

.nosotros__texto p {
  margin-bottom: 1rem;
  font-size: 0.975rem;
}
.nosotros__texto em { font-style: italic; color: var(--color-primary); }

.nosotros__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.75rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: rgba(26, 92, 42, 0.07);
  color: var(--color-primary);
  border: 1.5px solid rgba(26, 92, 42, 0.2);
  border-radius: var(--radius-btn);
  padding: 0.4rem 0.95rem;
  font-size: 0.82rem;
  font-weight: 500;
}
.badge i { color: var(--color-accent); font-size: 0.75rem; }

/* =========================================
   CONTACTO
   ========================================= */
.contacto { background-color: var(--color-bg); }

.contacto__grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 2.5rem;
  align-items: start;
}

/* Columna info */
.contacto__info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background-color: var(--color-dark);
  border-radius: var(--radius-card);
  padding: 2.5rem;
  color: var(--color-white);
}

.contacto__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contacto__icon {
  font-size: 1rem;
  color: var(--color-accent);
  margin-top: 4px;
  flex-shrink: 0;
}

.contacto__item p { font-size: 0.925rem; line-height: 1.6; }
.contacto__item a { color: var(--color-accent); word-break: break-word; }
.contacto__item a:hover { text-decoration: underline; }

/* Formulario */
.contacto__form-wrapper {
  background-color: var(--color-white);
  border-radius: var(--radius-card);
  padding: 2.5rem;
  box-shadow: 0 2px 16px rgba(26,92,42,0.06);
}

form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.form__group--full { grid-column: 1 / -1; }

label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-dark);
  letter-spacing: 0.01em;
}
.form__optional { font-weight: 300; opacity: 0.65; }

input, select, textarea {
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.7rem 1rem;
  border: 1.5px solid rgba(26, 92, 42, 0.2);
  border-radius: 8px;
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
  appearance: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 92, 42, 0.1);
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%231a5c2a' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
textarea { resize: vertical; min-height: 130px; }

/* Mensaje de éxito */
.form__success {
  display: none;
  align-items: center;
  gap: 0.75rem;
  background-color: rgba(26, 92, 42, 0.08);
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
  margin-top: 1rem;
}
.form__success.visible { display: flex; }
.form__success i { font-size: 1.25rem; flex-shrink: 0; }

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.72);
  padding-block: 2.5rem;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer__logo {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}
.footer__tagline { font-size: 0.8rem; opacity: 0.65; }
.footer__copy { font-size: 0.82rem; }

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.82rem;
}
.footer__links a { transition: color var(--transition); }
.footer__links a:hover { color: var(--color-accent); }

/* =========================================
   RESPONSIVE — tablet (≤1024px)
   ========================================= */
@media (max-width: 1024px) {
  .nosotros__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .nosotros__imagen img { height: 320px; }
  .section__title--left { text-align: center; }
  .nosotros__badges { justify-content: center; }

  .contacto__grid {
    grid-template-columns: 1fr;
  }

  /* Servicios: 2 cols en tablet */
  .servicios__grid { grid-template-columns: repeat(2, 1fr); }

  /* Bloques alternos: 1 col */
  .bloque {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding-block: 2.5rem;
  }
  .bloque--imagen-dcha .bloque__imagen { order: -1; }
  .bloque__imagen img { height: 240px; }
}

/* =========================================
   RESPONSIVE — movil (<=768px)
   ========================================= */
@media (max-width: 768px) {
  section { padding-block: 3.5rem; }

  /* Nav hamburguesa */
  .nav__hamburger { display: flex; }
  .nav__menu {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(280px, 80vw);
    height: 100%;
    background-color: var(--color-dark);
    flex-direction: column;
    padding: 6rem 2rem 2rem;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 999;
    overflow-y: auto;
  }
  .nav.nav-open .nav__menu { transform: translateX(0); }
  .nav__link { font-size: 1.1rem; }

  /* Stats */
  .stats__grid { grid-template-columns: 1fr; gap: 1rem; }

  /* Servicios: 1 col en movil */
  .servicios__grid { grid-template-columns: 1fr; }

  /* Formulario: 1 col */
  form { grid-template-columns: 1fr; }
  .contacto__form-wrapper { padding: 1.5rem; }
  .contacto__info { padding: 1.5rem; }

  /* Footer */
  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
  .footer__links { justify-content: center; }
}

/* =========================================
   PAGINAS DE SERVICIO
   ========================================= */

/* Header siempre oscuro en paginas de servicio y legales */
.pagina-servicio #header,
.pagina-legal #header {
  background-color: var(--color-dark);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

/* Padding para compensar header fijo */
.pagina-servicio main,
.pagina-legal main { padding-top: 72px; }

/* =========================================
   PAGINAS LEGALES
   ========================================= */
.legal-hero {
  background-color: var(--color-dark);
  padding-block: 3.5rem 3rem;
  text-align: center;
}
.legal-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 300;
  color: var(--color-white);
  line-height: 1.15;
}

.legal-content {
  background-color: var(--color-white);
  padding-block: 4rem;
}
.legal-content .container {
  max-width: 800px;
}
.legal-content h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid rgba(26, 92, 42, 0.12);
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}
.legal-content p {
  font-size: 0.95rem;
  line-height: 1.82;
  color: var(--color-text);
  margin-bottom: 0.85rem;
}
.legal-content ul,
.legal-content ol {
  padding-left: 1.25rem;
  margin-bottom: 0.85rem;
}
.legal-content ul { list-style: disc; }
.legal-content ol { list-style: decimal; }
.legal-content li {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}
.legal-content a {
  color: var(--color-primary);
  text-decoration: underline;
}
.legal-content a:hover { opacity: 0.75; }
.legal-content strong { font-weight: 500; color: var(--color-dark); }
.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin-block: 1rem;
  font-size: 0.875rem;
}
.legal-table th {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 0.65rem 1rem;
  text-align: left;
  font-weight: 500;
}
.legal-table td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid rgba(26, 92, 42, 0.1);
  color: var(--color-text);
  vertical-align: top;
}
.legal-table tr:nth-child(even) td {
  background-color: var(--color-bg);
}

@media (max-width: 768px) {
  .legal-table { display: block; overflow-x: auto; }
  .legal-hero { padding-block: 2.5rem 2rem; }
}

/* Breadcrumb */
.breadcrumb {
  background-color: var(--color-white);
  border-bottom: 1px solid rgba(26, 92, 42, 0.1);
  padding-block: 0.85rem;
}
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  list-style: none;
  font-size: 0.82rem;
  color: var(--color-text);
}
.breadcrumb__list li:not(:last-child)::after {
  content: '\203A';
  margin-inline: 0.5rem;
  opacity: 0.45;
}
.breadcrumb__list a { color: var(--color-primary); transition: opacity var(--transition); }
.breadcrumb__list a:hover { opacity: 0.7; }
.breadcrumb__list li[aria-current="page"] { font-weight: 500; color: var(--color-dark); }

/* Hero de pagina de servicio */
.servicio-hero {
  background-color: var(--color-dark);
  padding-block: 5rem 4rem;
  text-align: center;
}
.servicio-hero__content {
  max-width: 720px;
  margin-inline: auto;
}
.servicio-hero__icon {
  font-size: 3.25rem;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  display: block;
}
.servicio-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 300;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 1rem;
}
.servicio-hero__subtitle {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.8;
}

/* Bloques de contenido alternos */
.bloques-alternos { background-color: var(--color-white); padding-block: 0; }
.bloques-alternos .container { padding-block: 1rem; }

.bloque {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-block: 4.5rem;
  border-bottom: 1px solid rgba(26, 92, 42, 0.08);
}
.bloque:last-child { border-bottom: none; }

.bloque__texto h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: 1.25rem;
}
.bloque__texto p {
  font-size: 1rem;
  line-height: 1.82;
  color: var(--color-text);
}
.bloque__texto p + p { margin-top: 0.85rem; }

.bloque__imagen img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  background-color: rgba(26, 92, 42, 0.07);
}

/* CTA banner final */
.cta-banner {
  background-color: var(--color-primary);
  padding-block: 5rem;
  text-align: center;
}
.cta-banner__inner { max-width: 600px; margin-inline: auto; }
.cta-banner h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 300;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}
.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}
.btn--white {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}
.btn--white:hover {
  background-color: transparent;
  color: var(--color-white);
}

/* =========================================
   RESPONSIVE — móvil pequeño (≤480px)
   ========================================= */
@media (max-width: 480px) {
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { width: 100%; }
  .stats { padding-block: 2.5rem; }
  .nosotros__imagen img { height: 240px; }
}