/* ==========================================================
   ECO YIREH C.A. — Hoja de estilos principal
   ========================================================== */

:root {
  --verde: #1d6432;          /* barra de navegación */
  --verde-linea: #2f8a3f;    /* subrayado de títulos y destacados */
  --azul: #33477d;           /* fondo azul principal */
  --azul-oscuro: #26365f;
  --gris: #d9d9d9;           /* fondo gris claro */
  --campo: #c5cdde;          /* campos del formulario / pill activo */
  --blanco: #ffffff;
  --texto-claro: #f2f4f8;

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --nav-h: 56px;
  --max: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --radio: 28px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.55;
  color: var(--azul);
  background: var(--gris);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

a { color: inherit; }

main { flex: 1; display: flex; flex-direction: column; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Navegación ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--verde);
  height: var(--nav-h);
  box-shadow: 0 2px 10px rgba(0,0,0,.18);
}
.nav__inner {
  max-width: var(--max); height: 100%; margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex; align-items: center; justify-content: flex-end; gap: 12px;
}
.nav__brand {
  margin-right: auto; display: none; align-items: center; gap: 8px;
  color: var(--blanco); text-decoration: none;
  font-family: var(--sans); font-weight: 700; letter-spacing: .04em; font-size: 15px;
}
.nav__brand img { width: 30px; height: auto; filter: drop-shadow(0 0 1px rgba(255,255,255,.6)); }
.nav__links { display: flex; gap: clamp(6px, 2vw, 28px); list-style: none; margin: 0; padding: 0; }
.nav__links a {
  display: block; padding: 6px 16px; border-radius: 999px;
  font-family: var(--sans); font-size: 16px; color: var(--blanco); text-decoration: none;
  transition: background .2s, color .2s;
}
.nav__links a:hover { background: rgba(255,255,255,.14); }
.nav__links a[aria-current="page"] { background: var(--campo); color: var(--azul); }

.nav__toggle {
  display: none; margin-left: auto;
  background: none; border: 0; padding: 8px; cursor: pointer; color: var(--blanco);
}
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after {
  display: block; width: 24px; height: 2px; background: currentColor; border-radius: 2px;
  position: relative; transition: transform .25s, opacity .25s;
}
.nav__toggle span::before, .nav__toggle span::after { content: ""; position: absolute; left: 0; }
.nav__toggle span::before { top: -7px; }
.nav__toggle span::after { top: 7px; }
.nav.is-open .nav__toggle span { background: transparent; }
.nav.is-open .nav__toggle span::before { transform: translateY(7px) rotate(45deg); }
.nav.is-open .nav__toggle span::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Secciones tipo "diapositiva" ---------- */
.slide {
  flex: 1;
  min-height: calc(100vh - var(--nav-h) - 48px);
  display: flex; align-items: stretch;
  position: relative;
}
.slide--azul { background: var(--azul); color: var(--texto-claro); }
.slide--gris { background: var(--gris); color: var(--azul); }

.slide__grid {
  width: 100%; max-width: var(--max); margin: 0 auto;
  padding: clamp(24px, 3vw, 40px) var(--gutter);
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

/* Logo */
.logo { width: 82px; }
.logo img { width: 100%; height: auto; }
.slide--azul .logo img { filter: drop-shadow(0 0 1px rgba(255,255,255,.35)); }
.logo--lg { width: 104px; }
.rif { font-family: var(--sans); font-size: 11px; font-weight: 700; letter-spacing: .05em; margin-top: 4px; opacity: .9; }

/* Títulos */
.titulo {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(30px, 3.4vw, 46px); line-height: 1.12;
  margin: 0 0 18px; padding-bottom: 10px;
  border-bottom: 3px solid var(--verde-linea);
  letter-spacing: .01em;
}
.slide--azul .titulo { color: var(--blanco); }
.titulo--der { text-align: right; }

.texto { margin: 0 0 1em; text-align: justify; hyphens: auto; }
.texto:last-child { margin-bottom: 0; }

/* Indicadores decorativos / de navegación */
.puntos { display: flex; gap: 8px; }
.puntos span { width: 14px; height: 14px; border-radius: 50%; border: 2.5px solid currentColor; opacity: .85; }
.rejilla-puntos { display: grid; grid-template-columns: repeat(4, 14px); gap: 9px; }
.rejilla-puntos span { width: 14px; height: 14px; border-radius: 50%; background: var(--gris); opacity: .85; }

/* Imágenes */
.foto { width: 100%; height: 100%; max-height: 72vh; object-fit: cover; }
.foto--sombra { box-shadow: 0 12px 30px rgba(0,0,0,.25); }

/* ---------- INICIO ---------- */
.hero { padding: 0; }
.hero .slide__grid { grid-template-columns: 1fr 1.05fr; padding-right: 0; padding-top: 0; padding-bottom: 0; align-items: stretch; max-width: none; padding-left: max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter))); }
.hero__texto { display: flex; flex-direction: column; gap: 20px; padding: clamp(20px, 3vw, 32px) 0; justify-content: center; }
.hero__top { display: flex; justify-content: space-between; align-items: flex-start; }
.hero__titulo {
  text-align: center; font-size: clamp(30px, 3.3vw, 46px);
  font-weight: 600; color: var(--blanco);
}
.hero__matraces { width: min(230px, 55%); margin: 0 auto; box-shadow: 0 10px 24px rgba(0,0,0,.3); }
.hero__media { position: relative; min-height: 360px; }
.hero__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; max-height: none; }
.hero__cta {
  align-self: center; margin-top: 4px;
  font-family: var(--sans); font-weight: 600; font-size: 15px;
  background: var(--verde-linea); color: var(--blanco); text-decoration: none;
  padding: 10px 26px; border-radius: 999px; transition: background .2s, transform .2s;
}
.hero__cta:hover { background: var(--verde); transform: translateY(-1px); }

/* ---------- SOBRE NOSOTROS (carrusel) ---------- */
.carrusel { position: relative; flex: 1; display: flex; overflow: hidden; overflow: clip; }
.carrusel__pista { display: flex; width: 100%; transition: transform .6s cubic-bezier(.65,.05,.36,1); }
.carrusel__item { flex: 0 0 100%; display: flex; min-height: calc(100vh - var(--nav-h) - 48px); }
.carrusel__item .slide__grid { position: relative; }

.carrusel__flecha {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 44px; height: 44px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(255,255,255,.75); color: var(--azul);
  display: grid; place-items: center; box-shadow: 0 4px 14px rgba(0,0,0,.2);
  transition: background .2s;
}
.carrusel__flecha:hover { background: var(--blanco); }
.carrusel__flecha--prev { left: 10px; }
.carrusel__flecha--next { right: 10px; }

.carrusel__puntos {
  position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 10px; z-index: 5;
  padding: 6px 10px; border-radius: 999px; background: rgba(0,0,0,.08);
}
.carrusel__puntos button {
  width: 15px; height: 15px; border-radius: 50%; padding: 0; cursor: pointer;
  border: 2.5px solid var(--azul); background: transparent; transition: background .2s;
}
.carrusel__puntos.is-claro button { border-color: var(--blanco); }
.carrusel__puntos button[aria-selected="true"] { background: var(--azul); }
.carrusel__puntos.is-claro button[aria-selected="true"] { background: var(--blanco); }

.bloque { display: flex; flex-direction: column; gap: 14px; }
.bloque--der { align-items: flex-end; }
.bloque--der .titulo { align-self: stretch; }

.valores { list-style: none; margin: 0; padding: 0; }
.valores li { margin-bottom: 6px; padding-left: 12px; position: relative; }
.valores li::before { content: "•"; position: absolute; left: 0; color: var(--verde-linea); font-weight: 700; }
.valores strong { color: var(--verde-linea); }

.mision-img { width: 100%; max-width: 560px; justify-self: center; }

/* ---------- PRODUCTOS Y SERVICIOS ---------- */
.servicios .slide__grid { grid-template-columns: 1fr; gap: 0; }
.servicios__logo { position: absolute; top: clamp(20px, 3vw, 36px); right: var(--gutter); }
.servicio {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 48px);
  align-items: center; padding: clamp(18px, 2.5vw, 30px) 0;
}
.servicio:first-of-type { padding-right: 120px; }
.servicio + .servicio { border-top: 1px solid rgba(255,255,255,.12); }
.servicio .titulo { color: var(--blanco); }
.servicio__img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; box-shadow: 0 10px 26px rgba(0,0,0,.28); }
.servicio:first-child .servicio__img { width: 82%; }
.servicios__wrap { position: relative; width: 100%; max-width: var(--max); margin: 0 auto; padding: clamp(24px, 3vw, 40px) var(--gutter); }

/* ---------- CONTACTO ---------- */
.contacto .slide__grid { grid-template-columns: 120px 1fr; align-items: start; }
.tarjeta {
  background: var(--azul); color: var(--blanco);
  border-radius: var(--radio); padding: clamp(22px, 3vw, 36px);
  box-shadow: 0 14px 34px rgba(51,71,125,.25);
}
.tarjeta__intro { margin: 0 0 18px; font-size: 17px; color: var(--texto-claro); }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 24px; }
.campo { display: flex; flex-direction: column; gap: 6px; }
.campo--full { grid-column: 1 / -1; }
.campo label { font-family: var(--sans); font-weight: 700; font-size: 15px; }
.campo label .opc { font-weight: 400; opacity: .7; font-size: 13px; }
.campo input, .campo textarea {
  font: 16px/1.4 var(--sans); color: var(--azul-oscuro);
  background: var(--campo); border: 2px solid transparent; border-radius: 4px;
  padding: 11px 12px; width: 100%; transition: border-color .2s, background .2s;
}
.campo textarea { min-height: 150px; resize: vertical; }
.campo input:focus, .campo textarea:focus { outline: none; border-color: var(--verde-linea); background: #dde3ee; }
.campo.is-error input, .campo.is-error textarea { border-color: #e2685e; }
.campo__error { font-family: var(--sans); font-size: 13px; color: #ffb4ab; min-height: 0; }
.hp { position: absolute; left: -9999px; }

.form__pie { grid-column: 1 / -1; display: flex; align-items: center; justify-content: flex-end; gap: 16px; flex-wrap: wrap; }
.form__estado { font-family: var(--sans); font-size: 15px; margin-right: auto; }
.form__estado.ok { color: #9fe3b0; }
.form__estado.err { color: #ffb4ab; }
.btn {
  font-family: var(--sans); font-weight: 700; font-size: 17px;
  background: var(--campo); color: var(--azul); border: 0; cursor: pointer;
  padding: 11px 42px; border-radius: 999px; transition: background .2s, transform .2s;
}
.btn:hover { background: var(--blanco); transform: translateY(-1px); }
.btn:disabled { opacity: .6; cursor: wait; transform: none; }

.contacto__datos { margin-top: 18px; font-family: var(--sans); font-size: 14px; color: var(--azul); line-height: 1.5; }

/* ---------- Pie ---------- */
.pie {
  background: var(--azul-oscuro); color: #c8d0e4;
  font-family: var(--sans); font-size: 13px;
}
.pie__inner {
  max-width: var(--max); margin: 0 auto; padding: 15px var(--gutter);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.pie a { color: inherit; text-decoration: none; }
.pie a:hover { color: var(--blanco); }

/* ---------- Animación de entrada ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .carrusel__pista { transition: none; }
  html { scroll-behavior: auto; }
}

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width: 900px) {
  .nav__brand { display: flex; }
  .nav__toggle { display: block; }
  .nav__links {
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; gap: 4px; padding: 12px var(--gutter) 18px;
    background: var(--verde); box-shadow: 0 10px 20px rgba(0,0,0,.2);
    display: none;
  }
  .nav.is-open .nav__links { display: flex; }
  .nav__links a { padding: 10px 16px; }

  .slide, .carrusel__item { min-height: 0; }
  .slide__grid, .hero .slide__grid, .servicio, .contacto .slide__grid { grid-template-columns: 1fr; }
  .hero .slide__grid { padding-right: var(--gutter); }
  .hero__media { min-height: 0; aspect-ratio: 4 / 3; }

  /* En móvil la imagen va después del texto */
  .orden-img-primero > .media { order: 2; }
  .foto { max-height: 340px; }

  .titulo--der { text-align: left; }
  .bloque--der { align-items: flex-start; }

  .carrusel__item .slide__grid { padding-bottom: 76px; }
  .carrusel__flecha { top: auto; bottom: 14px; transform: none; width: 38px; height: 38px; }

  .servicios__logo { position: static; margin-bottom: 8px; }
  .servicio:first-of-type { padding-right: 0; }
  .hero .slide__grid { padding-top: 24px; padding-bottom: 24px; }
  .servicio:first-child .servicio__img { width: 100%; }

  .contacto .logo { width: 72px; }
  .form { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .form__estado { width: 100%; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .texto { text-align: left; }
}

/* ---------- Lista de productos (Productos y Servicios) ---------- */
.productos { list-style: none; margin: 6px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.productos li {
  padding: 10px 14px; border-left: 3px solid var(--verde-linea);
  background: rgba(255,255,255,.06); border-radius: 0 6px 6px 0;
  text-align: justify; hyphens: auto; line-height: 1.5;
}
.productos strong { color: var(--blanco); font-weight: 700; }
@media (max-width: 480px) { .productos li { text-align: left; } }