/* =========================================================================
   SOLET — Chrome del sitio
   Header fijo · mega-menú · nav móvil · footer · WhatsApp · transiciones
   ========================================================================= */

/* ============ 1. HEADER FIJO ============ */

/* El chrome del sitio mantiene siempre el verde de marca, aunque la página
   adopte el acento de su especialidad (rojo, ámbar o azul) en el contenido. */
.site-header,
.mobile-nav,
.site-footer {
  --accent: var(--brand-green);
  --accent-ink: var(--green-700);
  --accent-soft: rgba(68, 172, 52, 0.12);
  --accent-tint: rgba(68, 172, 52, 0.055);
  --accent-glow: rgba(68, 172, 52, 0.42);
  --on-accent: #06210a;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: height var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out), backdrop-filter var(--dur) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.site-header__inner {
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.5rem);
}

/* Estado "pegado": vidrio ahumado + hairline */
.site-header.is-stuck {
  height: var(--header-h-sm);
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom-color: var(--hairline);
  box-shadow: 0 10px 30px -24px rgba(11, 26, 36, 0.55);
}

/* Barra de progreso de lectura: la “corriente” recorre el borde inferior */
.site-header__current {
  position: absolute;
  left: 0; bottom: -1px;
  height: 2px;
  width: var(--scroll-progress, 0%);
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-green) 45%, var(--brand-amber));
  transition: width 120ms linear;
  pointer-events: none;
}

/* ---- Logo ---- */
.brand {
  display: inline-flex;
  align-items: center;
  flex: none;
  position: relative;
  padding: 6px 2px;
}
.brand img {
  width: clamp(132px, 13vw, 168px);
  transition: transform var(--dur) var(--ease-out), filter var(--dur) var(--ease-out);
}
.site-header.is-stuck .brand img { width: clamp(120px, 11vw, 144px); }

/* Destello al pasar el cursor: “chispa” sobre el logo */
.brand::after {
  content: "";
  position: absolute;
  inset: -6px -12px;
  background: radial-gradient(60% 120% at 22% 50%, rgba(249, 178, 33, 0.34), transparent 70%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
  pointer-events: none;
}
.brand:hover::after { opacity: 1; }
.brand:hover img { filter: drop-shadow(0 3px 8px rgba(68, 172, 52, 0.4)); }

/* ---- Navegación principal ---- */
.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: clamp(0.15rem, 1vw, 0.6rem); }

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.6rem 0.85rem;
  font-size: 0.845rem;
  font-weight: 500;
  letter-spacing: 0.015em;
  color: var(--text-mid);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav__link:hover { color: var(--text-hi); }

/* Subrayado que “carga” de izquierda a derecha */
.nav__link::after {
  content: "";
  position: absolute;
  left: 0.85rem; right: 0.85rem; bottom: 0.28rem;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 380ms var(--ease-out);
}
.nav__link:hover::after { transform: scaleX(1); }

.nav__link[aria-current="page"],
.nav__item.is-active > .nav__link { color: var(--text-hi); }
.nav__link[aria-current="page"]::after,
.nav__item.is-active > .nav__link::after { transform: scaleX(1); }

.nav__caret {
  width: 9px; height: 9px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform var(--dur-fast) var(--ease-out);
  opacity: 0.7;
}
.nav__item:hover .nav__caret,
.nav__item.is-open .nav__caret { transform: translateY(1px) rotate(-135deg); }

/* ---- Mega-menú de Servicios ---- */
.nav__item { position: relative; }

.mega {
  position: absolute;
  top: calc(100% + 0.9rem);
  left: 50%;
  transform: translate(-50%, 10px);
  width: min(720px, 88vw);
  padding: 0.6rem;
  background: var(--glass-solid);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 260ms var(--ease-out), transform 360ms var(--ease-out), visibility 260ms;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}
.nav__item.is-open .mega,
.nav__item:hover .mega {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translate(-50%, 0);
}

.mega__link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.15rem 0.85rem;
  align-items: start;
  padding: 0.95rem 1rem;
  position: relative;
  transition: background-color var(--dur-fast) var(--ease-out);
}
.mega__link:hover { background: var(--accent-tint); }
.mega__link::before {
  content: "";
  position: absolute;
  left: 0; top: 0.95rem; bottom: 0.95rem;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 320ms var(--ease-out);
}
.mega__link:hover::before { transform: scaleY(1); }

.mega__num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-ink);
  padding-top: 0.28em;
  letter-spacing: 0.1em;
}
.mega__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.98rem;
  color: var(--text-hi);
  letter-spacing: -0.01em;
}
.mega__desc { font-size: 0.79rem; color: var(--text-low); line-height: 1.5; }

@media (max-width: 1080px) { .nav { display: none; } }

/* ---- Acciones del header (idioma + teléfono) ---- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: none;
  margin-left: 0.4rem;
}

/* Conmutador ES / EN */
.lang {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 3px;
  border: 1px solid var(--hairline);
  background: var(--paper-0);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}
.lang__btn {
  position: relative;
  z-index: 1;
  padding: 0.32rem 0.6rem;
  color: var(--text-low);
  background: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
  transition: color var(--dur-fast) var(--ease-out);
}
.lang__btn[aria-pressed="true"] { color: var(--on-accent); font-weight: 500; }
.lang__btn:hover { color: var(--text-hi); }
.lang__btn[aria-pressed="true"]:hover { color: var(--on-accent); }
/* Pastilla que se desliza bajo el idioma activo */
.lang__thumb {
  position: absolute;
  top: 3px; bottom: 3px;
  left: 3px;
  width: calc(50% - 3px);
  background: var(--accent);
  transition: transform 420ms var(--ease-out);
}
.lang[data-lang="en"] .lang__thumb { transform: translateX(100%); }

/* ---- Botón hamburguesa ---- */
.burger {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--hairline);
  background: var(--paper-0);
  cursor: pointer;
  position: relative;
  flex: none;
}
.burger span {
  position: absolute;
  left: 12px; right: 12px;
  height: 1.5px;
  background: var(--text-hi);
  transition: transform 360ms var(--ease-out), opacity 200ms var(--ease-out);
}
.burger span:nth-child(1) { top: 16px; }
.burger span:nth-child(2) { top: 21px; }
.burger span:nth-child(3) { top: 26px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0.4); }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 1080px) { .burger { display: block; } }

/* ============ 2. NAVEGACIÓN MÓVIL ============ */

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-header) - 1);
  background: var(--glass-solid);
  backdrop-filter: blur(26px) saturate(150%);
  -webkit-backdrop-filter: blur(26px) saturate(150%);
  padding: calc(var(--header-h) + 2rem) var(--gutter) 2.5rem;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 420ms var(--ease-out), visibility 420ms;
}
.mobile-nav.is-open { opacity: 1; visibility: visible; }

.mobile-nav__list { display: flex; flex-direction: column; }

.mobile-nav__item {
  border-bottom: 1px solid var(--hairline-soft);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms var(--ease-out), transform 520ms var(--ease-out);
}
.mobile-nav.is-open .mobile-nav__item { opacity: 1; transform: none; }

.mobile-nav__link {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1.05rem 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 7vw, 2.1rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--text);
  transition: color var(--dur-fast) var(--ease-out), padding-left var(--dur) var(--ease-out);
}
.mobile-nav__link:hover,
.mobile-nav__link[aria-current="page"] { color: var(--text-hi); padding-left: 0.6rem; }

.mobile-nav__idx {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent-ink);
  letter-spacing: 0.12em;
}

.mobile-nav__sub { padding: 0 0 1.1rem 2.2rem; display: grid; gap: 0.15rem; }
.mobile-nav__sublink {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.42rem 0;
  font-size: 0.92rem;
  color: var(--text-mid);
}
.mobile-nav__sublink::before {
  content: ""; width: 6px; height: 6px; transform: rotate(45deg);
  background: var(--dot, var(--accent)); flex: none;
}
.mobile-nav__sublink:hover { color: var(--text-hi); }

.mobile-nav__foot {
  margin-top: 2.2rem;
  display: grid;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-mid);
}

/* ============ 3. FOOTER ============ */

.site-footer {
  position: relative;
  border-top: 1px solid var(--hairline);
  background: var(--paper-2);
  padding-top: clamp(3.5rem, 7vw, 5.5rem);
  overflow: hidden;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: 3.2rem;
}
@media (max-width: 980px) { .site-footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .site-footer__grid { grid-template-columns: 1fr; } }

.site-footer__brand img { width: 168px; margin-bottom: 1.3rem; }
.site-footer__tag { font-size: 0.92rem; color: var(--text-mid); max-width: 34ch; }

.footer-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-low);
  margin-bottom: 1.15rem;
}

.footer-list { display: grid; gap: 0.62rem; }
.footer-list a, .footer-list li { font-size: 0.9rem; color: var(--text-mid); }
.footer-list a { transition: color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); display: inline-block; }
.footer-list a:hover { color: var(--accent-ink); transform: translateX(4px); }

.footer-contact { display: grid; gap: 0.8rem; }
.footer-contact a {
  display: flex; align-items: center; gap: 0.7rem;
  font-family: var(--font-mono); font-size: 0.86rem; color: var(--text);
  transition: color var(--dur-fast) var(--ease-out);
}
.footer-contact a:hover { color: var(--accent-ink); }
.footer-contact svg { width: 15px; height: 15px; flex: none; color: var(--text-low); }

/* Redes sociales */
.socials { display: flex; gap: 0.5rem; margin-top: 1.4rem; flex-wrap: wrap; }
.social {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--hairline);
  background: var(--paper-0);
  color: var(--text-mid);
  position: relative;
  overflow: hidden;
  transition: color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.social svg { width: 16px; height: 16px; position: relative; z-index: 1; }
.social::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--accent);
  transform: translateY(101%);
  transition: transform 380ms var(--ease-out);
}
.social:hover { color: var(--on-accent); border-color: var(--accent); transform: translateY(-3px); }
.social:hover::before { transform: translateY(0); }

.site-footer__bar {
  border-top: 1px solid var(--hairline-soft);
  padding-block: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.6rem;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-low);
}
.site-footer__bar a:hover { color: var(--accent-ink); }

/* Franja de certificaciones sobre el footer */
.cert-strip {
  border-top: 1px solid var(--hairline-soft);
  border-bottom: 1px solid var(--hairline-soft);
  padding-block: 1.15rem;
  margin-bottom: 3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 2.2rem;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-low);
  text-align: center;
}
.cert-strip strong { color: var(--text); font-weight: 500; }

/* ============ 4. BOTÓN FLOTANTE DE WHATSAPP ============ */

.wa {
  position: fixed;
  right: clamp(1rem, 2.4vw, 1.75rem);
  bottom: clamp(1rem, 2.4vw, 1.75rem);
  z-index: var(--z-float);
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25d366;              /* verde oficial de WhatsApp */
  color: #062b16;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 30px -8px rgba(37, 211, 102, 0.6), 0 2px 10px rgba(11, 26, 36, 0.18);
  transition: transform 320ms var(--ease-out), box-shadow 320ms var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}
.wa svg { width: 30px; height: 30px; }
.wa:hover { transform: scale(1.08); box-shadow: 0 16px 40px -8px rgba(37, 211, 102, 0.8); }
.wa:active { transform: scale(0.97); }

/* Anillo de pulso suave */
.wa::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid #25d366;
  animation: wa-pulse 2.6s var(--ease-out) infinite;
  pointer-events: none;
}
@keyframes wa-pulse {
  0%   { transform: scale(1);    opacity: 0.55; }
  70%  { transform: scale(1.75); opacity: 0; }
  100% { transform: scale(1.75); opacity: 0; }
}

/* Globito con el mensaje, aparece al pasar el cursor */
.wa__tip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  white-space: nowrap;
  background: var(--paper-0);
  border: 1px solid var(--hairline);
  color: var(--text);
  box-shadow: var(--shadow-md);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 0.5rem 0.8rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.wa:hover .wa__tip { opacity: 1; transform: translateY(-50%) translateX(0); }
@media (max-width: 620px) { .wa__tip { display: none; } .wa { width: 54px; height: 54px; } .wa svg { width: 27px; height: 27px; } }

/* ============ 5. ENCENDIDO Y TRANSICIONES ============ */

/* Cortina de encendido: aparece al cargar y se retira con un barrido */
.boot {
  position: fixed;
  inset: 0;
  z-index: var(--z-boot);
  background: var(--paper-1);
  display: grid;
  place-items: center;
  pointer-events: none;
}
.boot__mark {
  width: 62px;
  opacity: 0;
  animation: boot-mark 1150ms var(--ease-out) forwards;
}
.boot__line {
  position: absolute;
  left: 50%; top: 50%;
  width: 0; height: 1px;
  transform: translate(-50%, -50%);
  background: linear-gradient(90deg, transparent, var(--brand-amber), transparent);
  box-shadow: 0 0 18px 2px rgba(249, 178, 33, 0.7);
  animation: boot-line 900ms var(--ease-out) 120ms forwards;
}
@keyframes boot-line {
  0%   { width: 0; opacity: 0; }
  35%  { width: 42vw; opacity: 1; }
  100% { width: 104vw; opacity: 0; }
}
@keyframes boot-mark {
  0%   { opacity: 0; transform: scale(0.86); filter: blur(6px) saturate(0.2); }
  38%  { opacity: 1; transform: scale(1); filter: blur(0) saturate(1); }
  46%  { opacity: 0.4; }                     /* parpadeo de arranque */
  52%  { opacity: 1; }
  100% { opacity: 1; transform: scale(1); filter: none; }
}
.boot.is-done {
  animation: boot-out 620ms var(--ease-in-out) forwards;
}
@keyframes boot-out {
  0%   { clip-path: inset(0 0 0 0); opacity: 1; }
  100% { clip-path: inset(0 0 100% 0); opacity: 1; }
}

/* Cortina de transición entre páginas */
.swipe {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  pointer-events: none;
  /* Corte de corriente: la cortina sí es oscura. Dura 460 ms y es lo que
     hace legible el destello que la recorre. */
  background: var(--curtain);
  clip-path: inset(100% 0 0 0);
  will-change: clip-path;
}
.swipe::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand-green), var(--brand-amber), transparent);
  box-shadow: 0 0 22px 2px rgba(249, 178, 33, 0.6);
  opacity: 0;
}
.swipe.is-leaving { animation: swipe-in 520ms var(--ease-in-out) forwards; }
.swipe.is-leaving::after { animation: swipe-spark 520ms var(--ease-in-out) forwards; }
@keyframes swipe-in {
  0%   { clip-path: inset(100% 0 0 0); }
  100% { clip-path: inset(0 0 0 0); }
}
@keyframes swipe-spark {
  0%   { opacity: 0; transform: translateY(100vh); }
  20%  { opacity: 1; }
  100% { opacity: 0; transform: translateY(0); }
}

/* Entrada de contenido tras la transición */
.js main { animation: page-in 760ms var(--ease-out) both; }
@keyframes page-in {
  0%   { opacity: 0; transform: translate3d(0, 14px, 0); }
  100% { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .boot, .swipe { display: none !important; }
  .js main { animation: none !important; }
  .wa::before { animation: none !important; }
}

/* ============ 6. FONDO DE CIRCUITO ============ */

.circuit {
  position: absolute;
  inset: 0;
  z-index: var(--z-bg);
  pointer-events: none;
  overflow: hidden;
  color: var(--accent);
}
.circuit svg { width: 100%; height: 100%; }

.circuit__trace {
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
  opacity: 0.17;
}
/* Pulso de luz que viaja por la traza */
.circuit__pulse {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-dasharray: 34 1200;
  filter: drop-shadow(0 0 4px currentColor);
  animation: trace 6s linear infinite;
  opacity: 0.8;
}
@keyframes trace {
  from { stroke-dashoffset: 1234; }
  to   { stroke-dashoffset: 0; }
}
.circuit__node { fill: currentColor; opacity: 0.42; }

@media (prefers-reduced-motion: reduce) { .circuit__pulse { display: none; } }