:root{--hueso:#F1F0F0;--aquamarina:#B3ECE6;--petro-galopante:#09121C;--cuarzo-ahumado:#89837A}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 24px 0;
  transition: background-color 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(9, 18, 28, 0.82);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding-bottom: 10px;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header__logo {
  display: inline-flex;
  line-height: 0;
}

.site-header__logo img {
  width: 28px;
  height: auto;
}

.site-header__menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--hueso);
  cursor: pointer;
}

.site-header__menu-btn:hover .site-header__hamburger span {
  background-color: var(--coral);
}

.site-header__hamburger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 26px;
  height: 20px;
}

.site-header__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.25s ease, background-color 0.2s ease;
}


.site-header__menu-btn[aria-expanded="true"] .site-header__hamburger span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.site-header__menu-btn[aria-expanded="true"] .site-header__hamburger span:nth-child(2) {
  opacity: 0;
}

.site-header__menu-btn[aria-expanded="true"] .site-header__hamburger span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}



body.site-menu-open {
  overflow: hidden;
}

.site-menu-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: rgba(9, 18, 28, 0.55);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.site-menu-backdrop.is-open {
  opacity: 1;
}


.site-menu {
  position: fixed;
  inset: 0;
  z-index: 1200;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background: var(--petro-galopante);
  transform: translateX(100%);
  transition: transform 0.4s ease;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.site-menu.is-open {
  transform: translateX(0);
}

.site-menu__video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.site-menu__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    100deg,
    rgba(9, 18, 28, 0.4) 0%,
    rgba(9, 18, 28, 0.1) 40%,
    rgba(9, 18, 28, 0.35) 65%,
    rgba(9, 18, 28, 0.72) 100%
  );
  pointer-events: none;
}

.site-menu__header {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: flex-end;
  padding: 1.5rem 1.75rem 0.5rem;
}

.site-menu__close {
  border: none;
  background: transparent;
  color: var(--hueso);
  font-size: 2.5rem;
  font-weight: 300;
  line-height: 1;
  padding: 0;
  margin: 0;
  cursor: pointer;
  transition: color 0.2s ease;
}

.site-menu__close:hover {
  color: var(--cuarzo-ahumado);
  opacity: 1;
}


.site-menu__clients {
  position: absolute;
  z-index: 2;
  top: 5.5rem;
  right: clamp(1.5rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.6rem;
}

.site-menu__clients-label {
  margin: 0;
  font-family: 'Montserrat', sans-serif;
  font-weight: 400;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cuarzo-ahumado);
}

.site-menu__clients-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.55em 1.3em;
  border: 1px solid var(--aquamarina);
  border-radius: 999px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--aquamarina);
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.site-menu__clients-link:hover {
  background-color: var(--aquamarina);
  color: var(--petro-galopante);
}

.site-menu__clients-icon {
  width: 0.85em;
  height: 0.85em;
  flex-shrink: 0;
}

.site-menu__nav {
  position: relative;
  z-index: 2;
  margin: auto 0 auto auto;
  padding: 1.5rem clamp(1.5rem, 7vw, 5.5rem);
  max-width: min(92vw, 640px);
  max-height: 100%;
  overflow-y: auto;
}

.site-menu__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: clamp(0.35rem, 1.6vh, 0.85rem);
}

.site-menu__list li {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.site-menu.is-open .site-menu__list li:nth-child(1) { transition-delay: 0.15s; }
.site-menu.is-open .site-menu__list li:nth-child(2) { transition-delay: 0.22s; }
.site-menu.is-open .site-menu__list li:nth-child(3) { transition-delay: 0.29s; }
.site-menu.is-open .site-menu__list li:nth-child(4) { transition-delay: 0.36s; }
.site-menu.is-open .site-menu__list li:nth-child(5) { transition-delay: 0.43s; }
.site-menu.is-open .site-menu__list li:nth-child(6) { transition-delay: 0.5s; }

.site-menu.is-open .site-menu__list li {
  opacity: 1;
  transform: none;
}

.site-menu__link {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 0.55em;
  padding: 0.3em 0;
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: clamp(1.25rem, 3.3vw, 2.3rem);
  color: var(--hueso);
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-menu__link:hover,
.site-menu__link.is-active {
  color: var(--cuarzo-ahumado);
}

.site-menu__link-num {
  font-size: 0.42em;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: currentColor;
  opacity: 0.55;
}

.site-menu__link-divider {
  display: inline-block;
  width: 1px;
  height: 0.85em;
  background: currentColor;
  opacity: 0.4;
}

.site-menu__link-label {
  color: currentColor;
}

.site-menu__footer {
  position: absolute;
  z-index: 2;
  right: clamp(1.5rem, 5vw, 4rem);
  bottom: clamp(1.25rem, 4vh, 2.25rem);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  pointer-events: none;
}


.site-menu__footer-logo {
  display: block;
  width: clamp(26px, 2.8vw, 38px);
  height: clamp(23px, 2.48vw, 34px); 
  background-color: var(--cuarzo-ahumado);
  -webkit-mask-image: url('../assets/images/isotipo-galopante.png');
  mask-image: url('../assets/images/isotipo-galopante.png');
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}

.site-menu__footer-divider {
  width: clamp(60px, 6vw, 90px);
  height: 1px;
  margin: 0.5rem 0;
  background: var(--cuarzo-ahumado);
}

.site-menu__footer-tagline {
  margin: 0;
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  font-size: clamp(0.58rem, 0.95vw, 0.72rem);
  letter-spacing: 0.09em;
  line-height: 1.45;
  color: var(--cuarzo-ahumado);
  text-transform: uppercase;
  text-align: right;
}

@media (max-width: 640px) {
  .site-menu__nav {
    margin: auto auto auto auto;
    max-width: 100%;
    padding: 1.5rem 1.5rem;
  }

  .site-menu__list {
    align-items: flex-end;
  }

  .site-menu__footer {
    right: 1.25rem;
    bottom: 1.1rem;
  }

  .site-menu__clients {
    top: 5.25rem;
    right: 1.25rem;
    gap: 0.45rem;
  }

  .site-menu__clients-label {
    font-size: 0.6rem;
  }

  .site-menu__clients-link {
    padding: 0.5em 1.1em;
    font-size: 0.7rem;
  }
}


/* Keep the established logo and tool-column alignment. */
header.site-header{position:sticky;top:0;left:auto;right:auto;display:block;width:min(1440px,90%);margin:0 auto;padding:24px 0;border-bottom:1px solid var(--line);z-index:1000}
header.site-header.is-scrolled{padding:24px 0;background:rgba(9,18,28,.86)}
.site-header__inner{width:100%}
.site-header__menu-btn{color:var(--bone)}
.site-menu__nav{display:block;gap:0;font-size:inherit;flex-wrap:nowrap;justify-content:initial}
.site-menu__link[aria-current=page]{color:var(--aquamarina)}
.site-menu__link-num,.site-menu__link-divider{display:none}
.site-menu__clients-link{color:var(--aquamarina)}
.site-menu__nav [aria-current]{color:var(--aquamarina)}
@media(max-width:760px){header.site-header{align-items:initial}.site-menu__nav{max-width:min(92vw,640px)}}
@media(max-width:640px){.site-menu__nav{max-width:100%}}
@media(max-height:600px){.site-menu__clients{top:4rem}.site-menu__footer{display:none}.site-menu__nav{margin-top:3rem}.site-menu__link{font-size:clamp(1rem,3vw,1.6rem);padding:.1em 0}.site-menu__list{gap:.15rem}}