/* =========================================================
   Header IMPELMEX - reglas copiadas de index.html
   Variables y botones/container acotados al header para no
   chocar con los estilos propios de la pagina.
   ========================================================= */
#site-header {
  --navy: #172442;
  --teal: #079ca8;
  --teal-dark: #087fa6;
  --teal-subtle: rgba(7, 156, 168, 0.08);
  --gold: #087fa6;
  --off-white: #f3f6f8;
  --bg: #e9eef4;
  --ink: #172442;
  --muted: #4b5563;
  --line: #dfe6ec;
  --radius-sm: 10px;
  --font-h: "Montserrat", sans-serif;
  --font-b: "Inter", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-xl: 0 32px 80px rgba(23, 36, 66, 0.16);
}

.skip-link {
  position: fixed;
  top: -100%;
  left: 16px;
  z-index: 9999;
  background: var(--teal);
  color: #fff;
  padding: 12px 24px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-family: var(--font-h);
  font-weight: 700;
  font-size: 0.88rem;
  transition: top 0.3s;
}
.skip-link:focus {
  top: 0;
}
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--gold));
  z-index: 1100;
  width: 0;
  pointer-events: none;
  transition: width 0.15s linear;
}

#site-header ul,
#site-header li,
#site-header nav,
.mobile-nav ul,
.mobile-nav li,
.mobile-nav nav {
  list-style: none;
  margin: 0;
}
.main-nav,
.main-nav > li,
.mobile-nav .mn-menu,
.mobile-nav .mn-menu > li,
.mobile-nav .mn-sub > li {
  padding: 0;
}

#site-header a,
#site-header a:hover,
#site-header a:focus,
#site-header a:active,
.mobile-nav a,
.mobile-nav a:hover,
.mobile-nav a:focus,
.mobile-nav a:active {
  text-decoration: none;
}

#site-header .btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-h);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  padding: 15px 30px;
  border-radius: 10px;
  transition: all 0.3s var(--ease);
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  will-change: transform;
}
#site-header .btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
#site-header .btn:hover::before {
  opacity: 1;
}
#site-header .btn:active {
  transform: scale(0.97);
  transition-duration: 0.1s;
}
#site-header .btn-primary {
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  color: #fff;
  box-shadow: 0 8px 32px rgba(7, 156, 168, 0.3);
}
#site-header .btn-primary:hover {
  background: var(--teal-dark);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(7, 156, 168, 0.45);
}
#site-header .btn-primary:active {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(7, 156, 168, 0.35);
  transition-duration: 0.1s;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-shadow: 0 1px 0 rgba(23, 36, 66, 0.06);
  transition:
    background 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}
.site-header.scrolled .topbar {
  max-height: 0;
  opacity: 0;
  padding: 0;
  border: none;
  overflow: hidden;
}
.site-header.scrolled {
  background: rgba(23, 36, 66, 0.96);
  backdrop-filter: blur(20px) saturate(160%);
  box-shadow: 0 8px 32px rgba(23, 36, 66, 0.1);
}
.topbar {
  background: var(--navy);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.5s var(--ease);
  max-height: 60px;
  opacity: 1;
  overflow: hidden;
}
.site-header .container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  gap: 16px;
}
.topbar .tb-left {
  display: flex;
  align-items: center;
  gap: 24px;
}
.topbar .tb-left span {
  font-size: 0.8rem;
  color: #cbd5e1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.topbar .tb-left span i {
  font-size: 0.7rem;
  opacity: 0.7;
}
.topbar a {
  color: rgba(255, 255, 255, 0.8);
}
.topbar a:hover {
  color: var(--teal);
}
.topbar .tb-right {
  display: flex;
  align-items: center;
  gap: 18px;
}
.topbar .tb-right .social {
  display: flex;
  gap: 10px;
}
.topbar .tb-right .social a {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.72rem;
  transition: all 0.3s;
}
.topbar .tb-right .social a:hover {
  background: var(--teal);
  border-color: var(--teal);
  transform: translateY(-2px);
}
.topbar .tb-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 60px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.85);
  transition: all 0.3s;
}
.topbar .tb-cta:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
  transform: translateY(-1px);
}
.header-main {
  padding: 0;
}
.header-main .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
}
.brand-logo {
  height: 48px;
  width: auto;
  display: block;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}
.main-nav > li {
  position: relative;
}
.main-nav > li > a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  font-family: var(--font-h);
  font-weight: 600;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.85);
  border-radius: 10px;
  transition: all 0.25s;
}
.main-nav > li > a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.main-nav > li > a:hover::after,
.main-nav > li.active > a::after {
  transform: scaleX(1);
}
.main-nav > li > a:hover,
.main-nav > li.active > a {
  color: var(--teal);
}
.main-nav > li > a .caret {
  font-size: 0.65rem;
  opacity: 0.6;
  transition: transform 0.3s;
}
.main-nav > li:hover > a .caret {
  transform: rotate(180deg);
}
.dropdown {
  position: absolute;
  top: calc(100% + 16px);
  left: 0;
  min-width: 300px;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(20px);
  border-radius: 18px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--line);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.97);
  transition: all 0.3s var(--ease);
}
.dropdown::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 28px;
  width: 14px;
  height: 14px;
  background: rgba(255, 255, 255, 0.97);
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
  transform: rotate(45deg);
}
.main-nav > li:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.dropdown a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.9rem;
  color: var(--ink);
  transition: all 0.25s;
}
.dropdown a i {
  color: var(--teal);
  width: 22px;
  text-align: center;
  font-size: 0.95rem;
}
.dropdown a:hover {
  background: var(--bg);
  color: var(--navy);
  transform: translateX(4px);
}
.header-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-cta .phone {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-right: 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}
.header-cta .phone .phone-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--teal-subtle);
  display: grid;
  place-items: center;
  color: var(--teal);
  font-size: 1rem;
  flex-shrink: 0;
  transition: all 0.3s;
}
.header-cta .phone:hover .phone-icon {
  background: var(--teal);
  color: #fff;
  transform: scale(1.08);
}
.header-cta .phone .phone-txt {
  text-align: left;
}
.header-cta .phone span {
  display: block;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.header-cta .phone a {
  font-family: var(--font-h);
  font-weight: 700;
  color: #fff;
  font-size: 1rem;
}
.header-cta .phone a:hover {
  color: var(--teal);
}
#site-header .header-cta .btn-primary {
  padding: 12px 24px;
  font-size: 0.88rem;
}
.burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  place-items: center;
  font-size: 1.2rem;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s;
}
.burger:hover {
  background: var(--teal);
  border-color: var(--teal);
}
.burger .close-icon {
  display: none;
}
body.menu-open .burger .open-icon {
  display: none;
}
body.menu-open .burger .close-icon {
  display: inline;
}

.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(7, 156, 168, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.4s var(--ease);
  z-index: 900;
  will-change: transform, opacity;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(7, 156, 168, 0.45);
}
.back-to-top:active {
  transform: translateY(-2px);
  transition-duration: 0.1s;
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(23, 36, 66, 0.6);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.4s;
}
body.menu-open .mobile-nav {
  display: block;
  opacity: 1;
}
.mobile-nav .mn-panel {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(360px, 88vw);
  background: #fff;
  padding: 32px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.45s var(--ease);
  -webkit-overflow-scrolling: touch;
}
body.menu-open .mobile-nav .mn-panel {
  transform: translateX(0);
}
.mobile-nav .mn-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.mobile-nav .mn-head .brand-logo {
  height: 36px;
}
.mobile-nav .mn-close {
  background: var(--off-white);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  cursor: pointer;
  color: var(--navy);
  font-size: 1.1rem;
  transition: all 0.3s;
}
.mobile-nav .mn-close:hover {
  background: var(--line);
  transform: rotate(90deg);
}
.mobile-nav .mn-menu > li > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-h);
  font-weight: 700;
  color: var(--navy);
  font-size: 1rem;
  transition: color 0.25s;
}
.mobile-nav .mn-menu > li > a:hover {
  color: var(--teal);
}
.mobile-nav .mn-menu .mn-sub {
  display: none;
  padding: 6px 0 14px;
}
.mobile-nav .mn-menu .mn-sub.open {
  display: block;
}
.mobile-nav .mn-menu .mn-sub a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.92rem;
  transition: all 0.25s;
}
.mobile-nav .mn-menu .mn-sub a:hover {
  background: var(--bg);
  color: var(--navy);
}
.mobile-nav .mn-menu .mn-sub a i {
  color: var(--teal);
  width: 18px;
}
.mobile-nav .mn-cta {
  margin-top: 24px;
}

@media (min-width: 1440px) {
  .site-header .container {
    max-width: 1400px;
  }
}
@media (max-width: 1024px) {
  .main-nav,
  .header-cta .phone {
    display: none;
  }
  .burger {
    display: grid;
  }
}
@media (max-width: 768px) {
  .topbar .tb-left span:not(.tb-tag) {
    display: none;
  }
}
@media (max-width: 640px) {
  #site-header .header-cta .btn-primary {
    display: none;
  }
  #site-header .brand-logo {
    height: 34px;
    flex-shrink: 0;
  }
}

@media (max-width: 480px) {
  .site-header .container {
    padding: 0 20px;
  }
}

/* === Header en una sola linea === */
.main-nav > li > a,
.header-cta .btn,
.header-cta .phone a {
  white-space: nowrap;
}
@media (min-width: 1025px) and (max-width: 1439px) {
  .header-main .container {
    gap: 12px;
  }
  .main-nav > li > a {
    padding: 10px 10px;
  }
  .main-nav > li > a::after {
    left: 10px;
    right: 10px;
  }
  .header-cta .phone {
    display: none;
  }
}
@media (min-width: 1025px) and (max-width: 1199px) {
  .main-nav > li > a {
    padding: 10px 7px;
    font-size: 0.82rem;
    gap: 4px;
  }
  .main-nav > li > a::after {
    left: 7px;
    right: 7px;
  }
  .header-cta .btn {
    padding-left: 18px;
    padding-right: 18px;
  }
}