/* =========================================================
   Plásticos Superior San Judas SAS
   Paleta tomada del logo: verdes sobrios + blanco (sin neón)
   ========================================================= */

:root {
  /* Verdes del logo */
  --verde-950: #0A3314;
  --verde-900: #0E4419;
  --verde-800: #12521F;   /* verde oscuro del logo */
  --verde-700: #1E6A2A;
  --verde-600: #2E7D32;
  --verde-400: #7AB648;   /* verde claro del logo, atenuado */
  --verde-200: #CFE3C1;
  --verde-100: #E9F2E3;
  --verde-50:  #F4F8F1;

  --blanco: #FFFFFF;
  --texto: #18261B;
  --texto-suave: #556458;
  --borde: #DDE6D8;

  --radio: 14px;
  --radio-lg: 22px;
  --sombra: 0 10px 30px rgba(14, 68, 25, 0.08);
  --sombra-lg: 0 20px 50px rgba(14, 68, 25, 0.14);

  --font-titulo: "Montserrat", system-ui, sans-serif;
  --font-texto: "Inter", system-ui, sans-serif;

  --header-h: 84px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  font-family: var(--font-texto);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--texto);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--verde-700); text-decoration: none; }
a:hover { color: var(--verde-900); }

h1, h2, h3 {
  font-family: var(--font-titulo);
  color: var(--verde-900);
  line-height: 1.2;
  margin: 0 0 .6em;
}
h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 800; letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; font-weight: 700; }
p  { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-titulo);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--verde-600);
  margin-bottom: .9rem;
  padding-left: 28px;
  position: relative;
}
.eyebrow::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 18px; height: 2px;
  background: var(--verde-400);
}

.lead { font-size: 1.12rem; color: var(--texto-suave); max-width: 34em; }
.text-accent { color: var(--verde-600); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: .95rem;
  padding: .95rem 1.7rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--verde-800); color: var(--blanco); }
.btn--primary:hover { background: var(--verde-900); color: var(--blanco); box-shadow: var(--sombra); }
.btn--outline { border-color: var(--verde-800); color: var(--verde-800); background: transparent; }
.btn--outline:hover { background: var(--verde-800); color: var(--blanco); }
.btn--light { background: var(--blanco); color: var(--verde-900); }
.btn--light:hover { background: var(--verde-100); color: var(--verde-900); }
.btn--sm { padding: .6rem 1.2rem; font-size: .88rem; }
.btn--block { width: 100%; }

/* ---------- Encabezado ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.header.is-scrolled { border-color: var(--borde); box-shadow: 0 4px 20px rgba(14, 68, 25, .06); }

.header__inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__logo img { height: 64px; width: auto; }

.nav { display: flex; align-items: center; gap: 2rem; }
.nav a:not(.btn) {
  font-weight: 500;
  color: var(--texto);
  position: relative;
}
.nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--verde-600);
  transition: width .25s;
}
.nav a:not(.btn):hover { color: var(--verde-800); }
.nav a:not(.btn):hover::after { width: 100%; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 10px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--verde-900);
  border-radius: 2px;
  margin: 5px 0;
  transition: transform .25s, opacity .25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 80px 0 100px;
  background:
    radial-gradient(circle at 85% 20%, var(--verde-100) 0, transparent 45%),
    linear-gradient(180deg, var(--verde-50) 0%, var(--blanco) 100%);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px;
  align-items: center;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }

.hero__visual { position: relative; display: flex; justify-content: center; }
.hero__card {
  position: relative;
  z-index: 2;
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio-lg);
  box-shadow: var(--sombra-lg);
  padding: 40px 36px 32px;
  width: 100%;
  max-width: 400px;
}
.hero__icon { width: 190px; margin: 0 auto 28px; }
.hero__checks { list-style: none; margin: 0; padding: 0; }
.hero__checks li {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .8rem 0;
  border-top: 1px solid var(--borde);
  font-weight: 500;
}
.hero__checks li::before {
  content: "";
  flex: 0 0 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--verde-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2312521F' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center / 12px no-repeat;
}

.hero__shape {
  position: absolute;
  border-radius: var(--radio-lg);
  z-index: 1;
}
.hero__shape--1 {
  width: 220px; height: 220px;
  background: var(--verde-800);
  top: -28px; right: 0;
  transform: rotate(8deg);
}
.hero__shape--2 {
  width: 150px; height: 150px;
  border: 3px solid var(--verde-400);
  bottom: -30px; left: 10px;
  transform: rotate(-10deg);
}

/* ---------- Cifras ---------- */
.stats {
  background: var(--verde-800);
  color: var(--blanco);
  padding: 46px 0;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat strong,
.stat span {
  font-family: var(--font-titulo);
  font-size: clamp(2rem, 3.5vw, 2.7rem);
  font-weight: 800;
  line-height: 1;
}
.stat span { color: var(--verde-400); }
.stat p { margin: .5rem 0 0; color: var(--verde-200); font-size: .95rem; }

/* ---------- Secciones ---------- */
.section { padding: 100px 0; }
.section--tint { background: var(--verde-50); }
.section__head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section__head .eyebrow { padding-left: 0; }
.section__head .eyebrow::before { display: none; }
.section__head p { color: var(--texto-suave); font-size: 1.05rem; }

/* ---------- Nosotros ---------- */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about__text p { color: var(--texto-suave); }
.about__text strong { color: var(--verde-800); }
.about__values { display: grid; gap: 18px; }

.value {
  display: grid;
  grid-template-columns: 56px 1fr;
  column-gap: 18px;
  padding: 22px 24px;
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  transition: border-color .2s, box-shadow .2s;
}
.value:hover { border-color: var(--verde-200); box-shadow: var(--sombra); }
.value__icon {
  grid-row: span 2;
  width: 56px; height: 56px;
  border-radius: 12px;
  background: var(--verde-100);
  color: var(--verde-800);
  display: grid;
  place-items: center;
}
.value__icon svg { width: 28px; height: 28px; }
.value h3 { margin: 4px 0 2px; }
.value p { margin: 0; color: var(--texto-suave); font-size: .95rem; }

/* ---------- Productos ---------- */
.products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio-lg);
  padding: 34px 30px;
  position: relative;
  overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.product::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 4px;
  background: var(--verde-800);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s;
}
.product:hover { transform: translateY(-6px); box-shadow: var(--sombra-lg); border-color: transparent; }
.product:hover::after { transform: scaleX(1); }
.product__icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: var(--verde-800);
  color: var(--blanco);
  display: grid;
  place-items: center;
  margin-bottom: 22px;
}
.product__icon svg { width: 32px; height: 32px; }
.product p { color: var(--texto-suave); margin: 0; }

/* ---------- Proceso ---------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 30px 26px;
  border-radius: var(--radio);
  background: var(--verde-50);
  border: 1px solid var(--borde);
}
.step__num {
  display: inline-block;
  font-family: var(--font-titulo);
  font-weight: 900;
  font-size: 2.4rem;
  line-height: 1;
  color: var(--verde-200);
  margin-bottom: 14px;
}
.step p { color: var(--texto-suave); margin: 0; font-size: .95rem; }

/* ---------- CTA ---------- */
.cta {
  background:
    linear-gradient(120deg, var(--verde-900) 0%, var(--verde-800) 60%, var(--verde-700) 100%);
  color: var(--blanco);
  padding: 70px 0;
}
.cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.cta h2 { color: var(--blanco); margin-bottom: .3em; }
.cta p { color: var(--verde-200); margin: 0; font-size: 1.05rem; }

/* ---------- Contacto ---------- */
.contact {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.contact__info > p { color: var(--texto-suave); }
.contact__list { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 22px; }
.contact__list li { display: flex; gap: 16px; align-items: flex-start; }
.contact__list svg {
  flex: 0 0 44px;
  width: 44px; height: 44px;
  padding: 11px;
  border-radius: 12px;
  background: var(--verde-100);
  color: var(--verde-800);
}
.contact__list strong { display: block; font-family: var(--font-titulo); color: var(--verde-900); font-size: .95rem; }
.contact__list span,
.contact__list a { color: var(--texto-suave); }
.contact__list a:hover { color: var(--verde-800); }

.form {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio-lg);
  box-shadow: var(--sombra);
  padding: 36px;
}
.form__row { margin-bottom: 18px; }
.form__row--split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: 6px;
  color: var(--verde-900);
}
.form input,
.form select,
.form textarea {
  width: 100%;
  font: inherit;
  color: var(--texto);
  background: var(--verde-50);
  border: 1.5px solid var(--borde);
  border-radius: 10px;
  padding: .8rem 1rem;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.form textarea { resize: vertical; min-height: 110px; }
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--verde-600);
  background: var(--blanco);
  box-shadow: 0 0 0 4px rgba(46, 125, 50, .12);
}
.form .is-invalid { border-color: #B3412E; }
.form__error { color: #B3412E; font-size: .9rem; font-weight: 500; margin: 0 0 14px; }

/* ---------- Pie de página ---------- */
.footer {
  background: var(--verde-950);
  color: var(--verde-200);
  padding: 56px 0 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 40px;
}
.footer__brand { display: flex; align-items: center; gap: 16px; }
.footer__brand img {
  width: 64px; height: auto;
  background: var(--blanco);
  border-radius: 12px;
  padding: 8px;
}
.footer__brand strong { display: block; color: var(--blanco); font-family: var(--font-titulo); }
.footer__brand span { font-size: .92rem; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 28px; }
.footer__nav a { color: var(--verde-200); }
.footer__nav a:hover { color: var(--blanco); }
.footer__bottom {
  border-top: 1px solid rgba(207, 227, 193, .15);
  padding-top: 22px;
  padding-bottom: 22px;
  font-size: .88rem;
}
.footer__bottom p { margin: 0; }

/* ---------- WhatsApp flotante ---------- */
.whatsapp-float {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 60;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--verde-700);
  color: var(--blanco);
  display: grid;
  place-items: center;
  box-shadow: var(--sombra-lg);
  transition: transform .2s, background .2s;
}
.whatsapp-float:hover { transform: scale(1.07); background: var(--verde-800); color: var(--blanco); }
.whatsapp-float svg { width: 28px; height: 28px; }

/* ---------- Animación de aparición ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .product, .whatsapp-float { transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .products { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  :root { --header-h: 72px; }
  .header__logo img { height: 46px; }

  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--blanco);
    border-bottom: 1px solid var(--borde);
    box-shadow: 0 12px 24px rgba(14, 68, 25, .08);
    padding: 8px 24px 24px;
    transform: translateY(-120%);
    visibility: hidden;
    transition: transform .3s, visibility .3s;
  }
  .nav.is-open { transform: none; visibility: visible; }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--borde); }
  .nav a:not(.btn)::after { display: none; }
  .nav .btn { margin-top: 18px; }

  .hero { padding: 56px 0 80px; }
  .hero__inner,
  .about,
  .contact { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { max-width: 400px; margin: 0 auto; width: 100%; }

  .stats__grid { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }

  .section { padding: 76px 0; }
  .cta__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 560px) {
  .container { padding: 0 16px; }
  .products,
  .steps { grid-template-columns: 1fr; }
  .form { padding: 24px 20px; }
  .form__row--split { grid-template-columns: 1fr; gap: 18px; }
  .hero__actions .btn { flex: 1 1 100%; }
  .hero__shape--1 { width: 160px; height: 160px; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}