/* ============================================================
   ECOCENTENARIO QUERÉTARO — styles-queretaro.css
   Paleta: azul institucional + verde esmeralda + blanco limpio
   Fuentes: DM Sans (cuerpo) + DM Serif Display (títulos)
   ============================================================ */

:root {
  --blue:        #1d4ed8;
  --blue-dark:   #1e40af;
  --blue-light:  #dbeafe;
  --green:       #059669;
  --green-dark:  #047857;
  --green-light: #d1fae5;
  --slate:       #0f172a;
  --mid:         #475569;
  --light:       #f8fafc;
  --white:       #ffffff;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 8px rgba(0,0,0,.06);
  --shadow-md: 0 6px 24px rgba(0,0,0,.10);
  --shadow-lg: 0 16px 48px rgba(0,0,0,.14);
  --t: .28s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--light);
  color: var(--slate);
  overflow-x: hidden;
  line-height: 1.7;
}

img { display: block; max-width: 100%; height: auto; }
a   { text-decoration: none; color: inherit; }

/* ---------- Shared ---------- */
.eyebrow {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #1e40af; /* blue-800 — WCAG AA */
  margin-bottom: .6rem;
  display: block;
}

.sec-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  color: var(--slate);
}

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--blue);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  padding: .85rem 1.9rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--t);
  box-shadow: 0 4px 14px rgba(29,78,216,.35);
  text-decoration: none;
}
.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(29,78,216,.4);
  color: var(--white);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--green);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  padding: .85rem 1.9rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--t);
  box-shadow: 0 4px 14px rgba(5,150,105,.3);
  text-decoration: none;
}
.btn-secondary:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  color: var(--white);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: transparent;
  color: var(--blue);
  font-family: 'DM Sans', sans-serif;
  font-size: .95rem;
  font-weight: 700;
  padding: .85rem 1.9rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--blue);
  cursor: pointer;
  transition: var(--t);
  text-decoration: none;
}
.btn-outline:hover {
  background: var(--blue);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: #16a34a;
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  padding: .85rem 1.9rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--t);
  text-decoration: none;
}
.btn-whatsapp:hover {
  background: #15803d;
  transform: translateY(-2px);
  color: var(--white);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; width: 100%;
  z-index: 1000;
  padding: 1rem 2rem;
  transition: var(--t);
}
.navbar.scrolled {
  background: rgba(15,23,42,.95);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
  padding: .65rem 2rem;
}

.navbar__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo img { filter: brightness(0) invert(1); transition: var(--t); }
.navbar__logo:hover img { filter: brightness(0) invert(1) drop-shadow(0 0 8px #60a5fa); }

.navbar__menu {
  display: flex;
  list-style: none;
  gap: .25rem;
  align-items: center;
}
.navbar__menu a {
  color: rgba(255,255,255,.85);
  font-size: .9rem;
  font-weight: 600;
  padding: .5rem 1.1rem;
  border-radius: var(--radius-sm);
  transition: var(--t);
}
.navbar__menu a:hover { color: var(--white); background: rgba(255,255,255,.1); }

.navbar__cta {
  background: var(--blue) !important;
  color: var(--white) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: 0 3px 10px rgba(29,78,216,.4);
}
.navbar__cta:hover {
  background: var(--blue-dark) !important;
  transform: translateY(-2px);
}

.navbar__toggle {
  display: none;
  background: rgba(255,255,255,.1);
  border: none;
  color: white;
  font-size: 1.6rem;
  padding: .4rem .7rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--t);
}
.navbar__toggle:hover { background: rgba(255,255,255,.2); }

.nav-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 999; }
.nav-overlay.open { display: block; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--slate) 0%, #1e3a6e 55%, #0c4a3c 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 9rem 5% 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(29,78,216,.2), transparent 70%);
  top: -100px; right: -100px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(5,150,105,.15), transparent 70%);
  bottom: 0; left: 30%;
  pointer-events: none;
}

.hero__content {
  max-width: 720px;
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(29,78,216,.2);
  border: 1px solid rgba(96,165,250,.4);
  color: #93c5fd;
  font-size: .82rem;
  font-weight: 700;
  padding: .4rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
  letter-spacing: 1px;
}

.hero__title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.8rem, 6vw, 5rem);
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  font-weight: 400;
}
.hero__title--accent { color: #60a5fa; }

.hero__sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.72);
  max-width: 580px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}
.hero__sub strong { color: #6ee7b7; }

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Metrics bar */
.hero__metrics {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 4rem;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 1.75rem 2.5rem;
  backdrop-filter: blur(12px);
  max-width: 800px;
}

.metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}
.metric__num {
  font-family: 'DM Serif Display', serif;
  font-size: 2.5rem;
  color: #60a5fa;
  line-height: 1;
  margin-bottom: .25rem;
}
.metric__label {
  font-size: .78rem;
  color: rgba(255,255,255,.65);
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.metric__divider {
  width: 1px;
  height: 50px;
  background: rgba(255,255,255,.15);
  margin: 0 1rem;
}

/* ============================================================
   BENEFITS
   ============================================================ */
.benefits {
  padding: 6rem 5%;
  background: var(--white);
}
.benefits__inner { max-width: 1200px; margin: 0 auto; }
.benefits__head  { margin-bottom: 3rem; }

.benefits__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1.5rem;
}

.benefit-card {
  background: var(--light);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1.5px solid #e2e8f0;
  transition: var(--t);
  position: relative;
  overflow: hidden;
}
.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-light);
}

.benefit-card--featured {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  border-color: transparent;
  color: white;
  grid-row: span 2;
}
.benefit-card--featured:hover { border-color: transparent; }
.benefit-card--featured h3 { color: white; }
.benefit-card--featured p  { color: white; }
.benefit-card--featured p strong { color: white; }

.benefit-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--slate); /* #0f172a — negro azulado */
  margin-bottom: .75rem;
}

.benefit-card p {
  font-size: .9rem;
  color: #334155; /* slate-700 — WCAG AA sobre fondo claro */
  line-height: 1.7;
}

.benefit-card__icon {
  font-size: 1.8rem;
  color: var(--blue);
  margin-bottom: 1rem;
  display: block;
}

.benefit-card__tag {
  display: inline-block;
  background: rgba(255,255,255,.2);
  color: white;
  font-size: .72rem;
  font-weight: 700;
  padding: .25rem .75rem;
  border-radius: 50px;
  margin-top: 1.5rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: 6rem 5%;
  background: var(--light);
}
.about__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about__body {
  font-size: 1rem;
  color: var(--mid);
  line-height: 1.9;
  margin-bottom: 1rem;
}

.about__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.trust-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.trust-box__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid #f1f5f9;
}
.trust-box__item:last-child { padding-bottom: 0; border-bottom: none; }

.trust-box__item i {
  font-size: 1.4rem;
  color: var(--blue);
  flex-shrink: 0;
  margin-top: .1rem;
}

.trust-box__item strong {
  display: block;
  font-size: .95rem;
  font-weight: 700;
  color: var(--slate);
  margin-bottom: .1rem;
}

.trust-box__item span {
  font-size: .85rem;
  color: var(--mid);
}

.about__stat-highlight {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: 0 6px 20px rgba(5,150,105,.25);
}
.about__stat-highlight strong {
  font-family: 'DM Serif Display', serif;
  font-size: 3rem;
  color: white;
  line-height: 1;
}
.about__stat-highlight span {
  font-size: .9rem;
  color: rgba(255,255,255,.85);
  font-weight: 600;
  line-height: 1.4;
}

/* ============================================================
   PRODUCTS
   ============================================================ */
.products {
  padding: 6rem 5%;
  background: var(--white);
}
.products__inner { max-width: 1200px; margin: 0 auto; }
.products__head  { text-align: center; margin-bottom: 3rem; }
.products__intro {
  max-width: 600px;
  margin: 0 auto;
  color: var(--mid);
  font-size: 1rem;
  line-height: 1.8;
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.product-card {
  background: var(--light);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1.5px solid #e2e8f0;
  transition: var(--t);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue);
}

.product-card__top { position: relative; overflow: hidden; }
.product-card__top img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform .4s ease;
}
.product-card:hover .product-card__top img { transform: scale(1.05); }

.product-tag {
  position: absolute;
  top: .75rem; left: .75rem;
  font-size: .72rem;
  font-weight: 700;
  padding: .25rem .8rem;
  border-radius: 50px;
  letter-spacing: .5px;
}
.product-tag--best {
  background: var(--blue);
  color: white;
}

.product-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  flex: 1;
}
.product-card__body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--slate);
  line-height: 1.3;
}
.product-card__body p {
  font-size: .88rem;
  color: var(--mid);
  line-height: 1.7;
}

.product-feats {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  flex: 1;
}
.product-feats li {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .85rem;
  color: var(--mid);
  font-weight: 600;
}
.product-feats li i { color: var(--green); font-size: .9rem; flex-shrink: 0; }

.btn-product {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  background: var(--blue-light);
  border: none;
  color: #1e3a8a; /* blue-900 — WCAG AA */
  font-family: 'DM Sans', sans-serif;
  font-size: .9rem;
  font-weight: 700;
  padding: .75rem 1.25rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--t);
  width: 100%;
}
.btn-product:hover {
  background: var(--blue);
  color: white;
  box-shadow: 0 4px 14px rgba(29,78,216,.3);
}

/* ============================================================
   DETAIL SECTION
   ============================================================ */
.detail-section {
  background: var(--light);
  padding: 4rem 5%;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: 6rem 5%;
  background: linear-gradient(135deg, var(--slate) 0%, #1e3a6e 60%, #0c4a3c 100%);
}
.contact__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}

.contact__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.contact__branches {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.branch-card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  transition: var(--t);
}
.branch-card:hover { background: rgba(255,255,255,.11); transform: translateX(4px); }

.branch-card--main {
  background: rgba(29,78,216,.2);
  border-color: rgba(96,165,250,.35);
  box-shadow: 0 0 24px rgba(29,78,216,.15);
}

.branch-tag {
  font-size: .72rem;
  font-weight: 700;
  color: #93c5fd;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.branch-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: .4rem;
}
.branch-card h3 i { color: #60a5fa; }

.branch-card p { font-size: .85rem; color: rgba(255,255,255,.65); line-height: 1.6; }

.branch-card a {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: #93c5fd;
  font-size: .88rem;
  font-weight: 700;
  transition: var(--t);
}
.branch-card a:hover { color: white; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #060c18;
  padding: 3rem 2rem;
  border-top: 1px solid rgba(255,255,255,.05);
}
.footer__inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer__tagline {
  font-size: .88rem;
  color: #94a3b8; /* slate-400 — WCAG AA sobre #060c18 */
  font-weight: 600;
}

.footer__actions { display: flex; gap: 1rem; }

.footer__btn {
  width: 60px; height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: white;
  transition: var(--t);
  box-shadow: var(--shadow-md);
}
.footer__btn:hover { transform: scale(1.1); color: white; }
.footer__btn--phone    { background: var(--blue); }
.footer__btn--whatsapp { background: #16a34a; }

.footer__credits {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  justify-content: center;
  border-top: 1px solid rgba(255,255,255,.07);
  padding-top: 1.5rem;
  width: 100%;
}
.footer__credit-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
}
.footer__credit-item p {
  font-size: .78rem;
  color: #94a3b8; /* slate-400 — WCAG AA */
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .benefits__grid  { grid-template-columns: 1fr 1fr; }
  .benefit-card--featured { grid-row: span 1; }
  .about__inner    { grid-template-columns: 1fr; gap: 3rem; }
  .contact__inner  { grid-template-columns: 1fr; gap: 3rem; }
  .hero__metrics   { flex-wrap: wrap; gap: 1rem; }
}

@media (max-width: 768px) {
  .navbar__toggle { display: block; }
  .navbar__menu {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 0; right: 0;
    width: 280px; height: 100vh;
    background: var(--slate);
    padding: 5rem 2rem 2rem;
    z-index: 1000;
    gap: .25rem;
    box-shadow: var(--shadow-lg);
  }
  .navbar__menu.open { display: flex; }
  .navbar__menu a { display: block; padding: .75rem 1rem; border-radius: var(--radius-sm); }

  .benefits__grid  { grid-template-columns: 1fr; }
  .products__grid  { grid-template-columns: 1fr; }
  .hero__metrics   { padding: 1.25rem; gap: .5rem; }
  .metric__num     { font-size: 1.8rem; }
  .metric__divider { display: none; }
}

@media (max-width: 480px) {
  .hero__actions  { flex-direction: column; }
  .about__actions { flex-direction: column; }
  .contact__actions { flex-direction: column; }
  .footer__credits { flex-direction: column; gap: 1.5rem; }
}
     
.color_fondo_azul
{
    background-color: var(--blue-dark);
}
.color_fondo_verde
{
    background-color: var(--green-dark);
}
.bg_filter_sec_3
{
    width: 100%;
    height: 100%;
    background-color: #000000c5;
}

#mor_calentadores
{
    opacity: 1;
    min-height: 100vh !important;
}
.calentadores_baja_1, .calentadores_baja_2, .calentadores_baja_3
{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.font_size_custom_h3_1
{
    font-size: 1.2rem;
}
.border_custom
{
    border: 1px solid var(--green);
    background-color: white;
}
.img_cover
{
    object-fit: cover;
    object-position: center;
}

.tachado_text
{
    text-decoration: line-through;
}
.uppercase
{
    text-transform: uppercase;
}
.subrayado_amarillo
{
    background-color: var(--green);
    color: white;
}


.boton_description
{
    width: 100%;
    height: 30px;
    background-color: #d6d6d6;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem !important;
    color: var(--color_gris_bajo);
    cursor: pointer;
    transition: all 0.3s ease;
}
.boton_description:hover
{
    background-color: #b4b4b4;
}
.box_text_descripction
{
    height: 0px;
    background-color: #ececec;
    overflow: hidden;
    transform: height;
    transition: all 0.3s ease;
}
.boton_St_3
{
    display: flex;
    align-items: center;
    justify-content: center;
}