/* ==========================================================
   Alquimia de Resinas — identidad tomada de la presentación
   Fondo:        #ECEDEF  (gris claro de las diapositivas)
   Marino:       #1E4E79  (azul oscuro de las diagonales)
   Azul:         #2E74B5  (azul medio)
   Celeste:      #69B3E7  (azul claro)
   Índigo logo:  #33339C
   Título:       #44546A  (azul grisáceo de los encabezados)
   Tabla:        #41B8E8 encabezado · #D6EEF8 zebra
   Tipografía:   Poppins (como la presentación)
   ========================================================== */

:root {
  --gris: #ECEDEF;
  --blanco: #FFFFFF;
  --marino: #1E4E79;
  --azul: #2E74B5;
  --celeste: #69B3E7;
  --indigo: #33339C;
  --titulo: #44546A;
  --texto: #4E5D6C;
  --borde: #2E5F8A;
  --fuente: "Poppins", sans-serif;
  --radio: 14px;
  --ancho: 1160px;
  --sombra: 0 10px 30px rgba(30, 78, 121, 0.10);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--fuente);
  color: var(--texto);
  background: var(--gris);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

:focus-visible {
  outline: 3px solid var(--azul);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  max-width: var(--ancho);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
  position: relative;
  z-index: 1;
}

/* ---------- diagonales decorativas (como las diapositivas) ---------- */
.deco {
  position: absolute;
  width: clamp(180px, 26vw, 420px);
  height: auto;
  pointer-events: none;
  z-index: 0;
}
.deco--tr { top: 0; right: 0; }
.deco--tl { top: 0; left: 0; }
.deco--bl { bottom: 0; left: 0; }
.deco--br { bottom: 0; right: 0; }

/* ---------- tipografía ---------- */
.eyebrow {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--azul);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 3px;
  background: var(--celeste);
  display: inline-block;
}

.section__title {
  font-weight: 800;
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  line-height: 1.2;
  color: var(--titulo);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  text-align: center;
  margin-bottom: 40px;
}
.section__title--light { color: #fff; }

.section__lede {
  max-width: 62ch;
  margin: -24px auto 40px;
  text-align: center;
  font-size: 1.03rem;
}

/* ---------- botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--fuente);
  font-weight: 600;
  font-size: 0.96rem;
  padding: 13px 28px;
  border-radius: 10px;
  border: 2px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--marino);
  color: #fff;
  box-shadow: 0 6px 18px rgba(30, 78, 121, 0.3);
}
.btn--primary:hover { background: var(--azul); }

.btn--outline {
  border-color: var(--marino);
  color: var(--marino);
  background: transparent;
}
.btn--outline:hover { background: rgba(30, 78, 121, 0.07); }

.btn--sm { padding: 10px 20px; font-size: 0.88rem; margin-top: 18px; }

.btn--wa {
  background: #1FAF57;
  color: #fff;
  width: 100%;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(31, 175, 87, 0.3);
}

/* ---------- nav ---------- */
.nav {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(30, 78, 121, 0.12);
  transition: box-shadow 0.3s ease;
}
.nav.is-solid { box-shadow: 0 4px 18px rgba(30, 78, 121, 0.12); }

.nav__inner {
  max-width: var(--ancho);
  margin-inline: auto;
  padding: 10px clamp(20px, 4vw, 48px);
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav__brand { margin-right: auto; display: flex; align-items: center; }
.nav__logo { height: 76px; width: auto; }

.nav__links { display: flex; gap: 24px; }
.nav__links a {
  color: var(--titulo);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%; height: 2px;
  background: var(--celeste);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}
.nav__links a:hover::after { transform: scaleX(1); }

.nav__cta { padding: 10px 22px; font-size: 0.9rem; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav__burger span {
  width: 24px; height: 2px;
  background: var(--marino);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  background: var(--gris);
  padding: clamp(130px, 17vh, 180px) 0 90px;
  overflow: hidden;
}

.hero__inner {
  max-width: var(--ancho);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__title {
  font-weight: 800;
  font-size: clamp(1.8rem, 4.2vw, 2.9rem);
  line-height: 1.18;
  color: var(--titulo);
  margin: 4px 0 20px;
}
.hero__azul { color: var(--azul); }

.hero__sub {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  max-width: 54ch;
  margin-bottom: 30px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 46px;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 4vw, 54px);
}
.hero__stats dt {
  font-weight: 800;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  color: var(--marino);
}
.hero__stats dd {
  font-size: 0.82rem;
  color: var(--texto);
  max-width: 16ch;
}

.hero__art {
  display: flex;
  justify-content: center;
}
.hero__ilus { width: min(100%, 460px); height: auto; }

.hex-flota { animation: flotar 6s ease-in-out infinite; }
.hex-flota--2 { animation-delay: 1.6s; }
.hex-flota--3 { animation-delay: 3.2s; }
@keyframes flotar {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

.ola { animation: olear 5s ease-in-out infinite alternate; }
@keyframes olear {
  from { transform: translateX(0); }
  to { transform: translateX(-46px); }
}

.gota { animation: caer 1.8s ease-in infinite; opacity: 0; }
.gota--2 { animation-delay: 0.9s; }
@keyframes caer {
  0% { transform: translateY(0); opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { transform: translateY(46px); opacity: 0; }
}

/* ---------- secciones ---------- */
.section {
  position: relative;
  padding: clamp(70px, 9vw, 100px) 0;
  background: var(--gris);
  overflow: hidden;
}
.section--banda { background: #E2E5E9; }
.section--dark {
  background: linear-gradient(150deg, var(--marino), #163A5B 70%);
  color: rgba(255, 255, 255, 0.88);
}

/* ---------- tarjetas (blancas, borde azul, como las diapositivas) ---------- */
.cards {
  display: grid;
  gap: 22px;
}
.cards--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  background: var(--blanco);
  border: 1.5px solid var(--borde);
  border-radius: var(--radio);
  padding: 30px 28px;
  box-shadow: var(--sombra);
}
.card h3 {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--marino);
  margin-bottom: 10px;
}
.card p { font-size: 0.95rem; }
.card address { font-style: normal; font-size: 0.95rem; }
.card address a { color: var(--azul); text-decoration: none; font-weight: 500; }
.card address a:hover { text-decoration: underline; }

.card__icon {
  display: inline-grid;
  place-items: center;
  width: 54px; height: 54px;
  border-radius: 12px;
  background: rgba(105, 179, 231, 0.16);
  color: var(--azul);
  margin-bottom: 16px;
}
.card__icon svg { width: 30px; height: 30px; }

.card--linea { border-left: 6px solid var(--celeste); }

.lista {
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 0.95rem;
}
.lista li {
  padding-left: 22px;
  position: relative;
}
.lista li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 10px; height: 10px;
  background: var(--celeste);
  clip-path: polygon(25% 0, 100% 0, 75% 100%, 0 100%);
}
.lista b { color: var(--marino); }

/* ---------- fases ---------- */
.fases {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.fase {
  background: var(--blanco);
  border: 1.5px solid var(--borde);
  border-radius: var(--radio);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--sombra);
}
.fase__num {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  background: var(--azul);
  padding: 5px 14px;
  border-radius: 8px;
  width: fit-content;
}
.fase h3 {
  font-weight: 700;
  font-size: 0.99rem;
  color: var(--titulo);
  line-height: 1.35;
}
.fase p { font-size: 0.92rem; }
.fase--hoy {
  background: var(--marino);
  border-color: var(--marino);
}
.fase--hoy h3 { color: #fff; }
.fase--hoy p { color: rgba(255, 255, 255, 0.8); }
.fase--hoy .fase__num { background: var(--celeste); color: var(--marino); }

/* ---------- capacidad ---------- */
.metricas {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 50px;
}
.metricas div {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(105, 179, 231, 0.35);
  border-radius: var(--radio);
  padding: 22px 20px;
  text-align: center;
}
.metricas dt {
  font-weight: 800;
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  color: #fff;
}
.metricas dd {
  font-size: 0.84rem;
  color: var(--celeste);
}

.section--dark .card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(105, 179, 231, 0.4);
  box-shadow: none;
}
.section--dark .card h3 { color: var(--celeste); }
.section--dark .card p { color: rgba(255, 255, 255, 0.82); }
.section--dark .card--linea { border-left-color: var(--celeste); }

/* ---------- pestañas del portafolio ---------- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}
.tab {
  font-family: var(--fuente);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 24px;
  border-radius: 10px;
  border: 1.5px solid var(--borde);
  background: var(--blanco);
  color: var(--marino);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.tab:hover { transform: translateY(-2px); }
.tab.is-active {
  background: var(--marino);
  border-color: var(--marino);
  color: #fff;
}
.tabs__desc { min-height: 3.3em; margin-top: 0; }

.prod.is-hidden { display: none; }

/* ---------- portafolio ---------- */
.prod {
  background: var(--blanco);
  border: 1.5px solid var(--borde);
  border-radius: var(--radio);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--sombra);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.prod:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(30, 78, 121, 0.18);
}
.prod__head h3 {
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--marino);
}
.prod__tag {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--azul);
  background: rgba(105, 179, 231, 0.16);
  padding: 4px 12px;
  border-radius: 8px;
}
.prod > p {
  font-size: 0.93rem;
  flex-grow: 1;
}
.prod__specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(30, 78, 121, 0.15);
  padding-top: 14px;
  gap: 8px;
}
.prod__specs dt {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--texto);
}
.prod__specs dd {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--marino);
}

.prod__acciones {
  display: grid;
  gap: 10px;
}
.prod__ver {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.88rem;
  color: #fff;
  background: var(--marino);
  text-decoration: none;
  border-radius: 10px;
  padding: 11px 18px;
  transition: background 0.18s ease;
}
.prod__ver:hover { background: var(--azul); }

.prod__ficha {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--marino);
  text-decoration: none;
  border: 1.5px solid var(--borde);
  border-radius: 10px;
  padding: 11px 18px;
  transition: background 0.18s ease, color 0.18s ease;
}
.prod__ficha:hover {
  background: var(--marino);
  color: #fff;
}

/* ---------- página de detalle de producto ---------- */
.detalle { padding-top: 150px; }

.miga {
  font-size: 0.88rem;
  color: var(--texto);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.miga a { color: var(--azul); text-decoration: none; font-weight: 500; }
.miga a:hover { text-decoration: underline; }
.miga b { color: var(--titulo); }

.detalle__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
  margin: 26px 0 36px;
}
.detalle__nombre {
  font-weight: 800;
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  color: var(--titulo);
  margin-bottom: 10px;
}
.detalle__acciones {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn--wa-auto { width: auto; }

.detalle__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 22px;
  align-items: start;
}
.detalle__info { display: grid; gap: 22px; }

.detalle__ficha h3 { margin-bottom: 16px; }
.ficha {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
}
.ficha th {
  text-align: left;
  vertical-align: top;
  width: 44%;
  padding: 11px 14px 11px 0;
  color: var(--titulo);
  font-weight: 600;
  border-bottom: 1px solid rgba(30, 78, 121, 0.12);
}
.ficha td {
  padding: 11px 0;
  color: var(--texto);
  border-bottom: 1px solid rgba(30, 78, 121, 0.12);
}
.ficha tr:last-child th, .ficha tr:last-child td { border-bottom: none; }
.ficha__nota {
  margin-top: 16px;
  font-size: 0.8rem;
  color: #8A97A5;
}

.detalle__volver { margin-top: 38px; }

/* ---------- contacto ---------- */
.contacto {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(26px, 4vw, 44px);
  align-items: stretch;
}

.form {
  background: var(--blanco);
  border: 1.5px solid var(--borde);
  border-radius: var(--radio);
  padding: clamp(24px, 3vw, 38px);
  display: grid;
  gap: 18px;
  box-shadow: var(--sombra);
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form label {
  display: grid;
  gap: 7px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--titulo);
}
.form input, .form select, .form textarea {
  font-family: var(--fuente);
  font-size: 0.95rem;
  padding: 12px 15px;
  border-radius: 10px;
  border: 1.5px solid rgba(30, 78, 121, 0.25);
  background: var(--gris);
  color: var(--titulo);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.form input::placeholder, .form textarea::placeholder { color: #9AA7B4; }
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none;
  border-color: var(--azul);
  background: #fff;
}
.form textarea { resize: vertical; }
.form .btn { justify-self: start; }
.form__hint {
  font-size: 0.78rem;
  color: #8A97A5;
}

.directorio {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ---------- ubicación ---------- */
.ubi {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(22px, 3vw, 32px);
  align-items: stretch;
}
.ubi__cards {
  display: grid;
  gap: 22px;
  align-content: start;
}

.contacto__datos p { margin-bottom: 14px; }
.contacto__datos .lista a {
  color: var(--azul);
  font-weight: 500;
  text-decoration: none;
}
.contacto__datos .lista a:hover { text-decoration: underline; }

.mapa {
  flex-grow: 1;
  min-height: 420px;
  border: 1.5px solid var(--borde);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
}
.mapa iframe {
  width: 100%;
  height: 100%;
  min-height: 280px;
  border: 0;
  display: block;
}

/* ---------- footer ---------- */
.footer {
  background: var(--marino);
  color: rgba(255, 255, 255, 0.78);
  padding: 60px 0 30px;
  position: relative;
}
.footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr) minmax(0, 0.9fr);
  gap: 40px;
  margin-bottom: 44px;
}
.footer__logo {
  width: 180px;
  background: #fff;
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 16px;
}
.footer__brand p { font-size: 0.92rem; max-width: 34ch; }
.footer__links, .footer__contacto {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links a, .footer__contacto a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  font-size: 0.93rem;
  width: fit-content;
}
.footer__links a:hover, .footer__contacto a:hover { color: var(--celeste); }
.footer__legal {
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 26px;
  margin-inline: clamp(20px, 4vw, 48px);
}

/* ---------- whatsapp flotante ---------- */
.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 40;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #1FAF57;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(31, 175, 87, 0.4);
  transition: transform 0.2s ease;
}
.wa-float:hover { transform: scale(1.08); }

/* ---------- reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__art { order: -1; }
  .hero__ilus { width: min(70%, 340px); }
  .fases { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cards--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metricas { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contacto { grid-template-columns: 1fr; }
  .ubi { grid-template-columns: 1fr; }
  .detalle__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .nav__links {
    position: fixed;
    top: 97px;
    inset-inline: 0;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    padding: 26px clamp(20px, 6vw, 40px) 34px;
    gap: 20px;
    transform: translateY(-130%);
    transition: transform 0.3s ease;
    border-bottom: 1px solid rgba(30, 78, 121, 0.15);
    box-shadow: 0 14px 30px rgba(30, 78, 121, 0.12);
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__burger { display: flex; }
  .nav__cta { display: none; }
  .nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .cards--3, .cards--2, .fases { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .hero__stats { gap: 22px; }
  .deco { opacity: 0.55; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .prod, .wa-float { transition: none; }
  .hex-flota, .ola, .gota { animation: none; }
  .gota { opacity: 1; }
}