/* ============================================================
         CONFIGURACIÓN GENERAL
      ============================================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Montserrat", sans-serif;
  background: #111;
  color: #fff;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
}

/* ============================================================
         HEADER PRINCIPAL
      ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px;
  z-index: 1000;
  background: transparent;
  transition:
    background 0.4s ease,
    height 0.4s ease,
    box-shadow 0.4s ease;
}

.header.scrolled {
  height: 82px;
  background: rgba(12, 14, 16, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.18);
}

.header-container {
  width: min(1500px, 92%);
  height: 100%;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 35px;
}

/* ============================================================
         MARCA / LOGO
      ============================================================ */
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: max-content;
}

.brand-logo {
  width: 59px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1;
}

.brand-name {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 5px;
  color: #fff;
}

.brand-subtitle {
  margin-top: 7px;
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 3.4px;
  color: rgba(255, 255, 255, 0.72);
}

/* ============================================================
         NAVEGACIÓN DESKTOP & SUBMENÚS
      ============================================================ */
.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 2.5vw, 45px);
  margin-left: auto;
}

.nav-item {
  position: relative;
}

.nav-link {
  position: relative;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: rgba(255, 255, 255, 0.86);
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 1px;
  background: #fff;
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Estilos del Dropdown Desktop */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: rgba(12, 14, 16, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease,
    visibility 0.3s ease;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.nav-item.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 10px 20px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.8);
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

.dropdown-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

/* ============================================================
         BOTONES HEADER
      ============================================================ */
.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.header-button {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  height: 42px;
  padding: 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  transition:
    background 0.3s ease,
    color 0.3s ease,
    transform 0.3s ease;
}

.header-button:hover {
  background: #fff;
  color: #111;
  transform: translateY(-2px);
}

/* ============================================================
         BOTÓN HAMBURGUESA
      ============================================================ */
.menu-toggle {
  display: none;
  width: 50px;
  height: 50px;
  border: 0;
  border-radius: 5px;
  background: rgba(15, 15, 15, 0.75);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: #fff;
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
         MENÚ MOBILE
      ============================================================ */
.mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  padding: 0 6%;
  background: rgba(12, 14, 16, 0.98);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  display: flex;
  flex-direction: column;
  max-height: 0;
  overflow-y: auto;
  opacity: 0;
  transition:
    max-height 0.45s ease,
    opacity 0.35s ease,
    padding 0.45s ease;
}

.mobile-menu.active {
  max-height: 80vh;
  opacity: 1;
  padding-top: 20px;
  padding-bottom: 30px;
}

.mobile-link {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Submenú Mobile Desplegable */
.mobile-dropdown {
  display: none;
  flex-direction: column;
  background: rgba(0, 0, 0, 0.2);
  padding-left: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-dropdown.active {
  display: flex;
}

.mobile-sublink {
  padding: 12px 0;
  font-size: 11px;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.7);
}

.mobile-button {
  margin-top: 15px;
  width: 100%;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
}

/* ============================================================
         TABLET & RESPONSIVE BREAKPOINTS
      ============================================================ */
@media (max-width: 1150px) {
  .desktop-nav {
    gap: 20px;
  }

  .nav-link {
    font-size: 10px;
    letter-spacing: 2px;
  }

  .header-button {
    min-width: 100px;
    font-size: 9px;
    padding: 0 10px;
  }
}

@media (max-width: 850px) {
  .header {
    height: 84px;
  }

  .header.scrolled {
    height: 74px;
  }

  .header-container {
    width: calc(100% - 38px);
  }

  .desktop-nav,
  .header-actions {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .brand {
    gap: 10px;
  }

  .brand-logo {
    width: 45px;
    height: 45px;
  }

  .brand-name {
    font-size: 17px;
    letter-spacing: 4px;
  }

  .brand-subtitle {
    margin-top: 5px;
    font-size: 6.5px;
    letter-spacing: 2.6px;
  }
}
/* ============================================================
   FOOTER — STALYNP GRUPO INTERNACIONAL
============================================================ */

.footer {
  position: relative;

  overflow: hidden;

  background: #080a0d;

  color: #fff;

  isolation: isolate;
}

/* ============================================================
   FONDO DINÁMICO
============================================================ */

.footer-background {
  position: absolute;

  inset: 0;

  z-index: -1;

  overflow: hidden;

  background:
    radial-gradient(
      circle at 10% 20%,
      rgba(255, 255, 255, 0.07),
      transparent 30%
    ),
    radial-gradient(
      circle at 90% 80%,
      rgba(255, 255, 255, 0.05),
      transparent 30%
    ),
    #080a0d;
}

.footer-glow {
  position: absolute;

  width: 500px;

  height: 500px;

  border-radius: 50%;

  filter: blur(100px);

  opacity: 0.12;

  animation: footerGlow 12s ease-in-out infinite alternate;
}

.footer-glow-1 {
  top: -250px;

  left: -200px;

  background: #ffffff;
}

.footer-glow-2 {
  right: -250px;

  bottom: -250px;

  background: #777;

  animation-delay: -5s;
}

@keyframes footerGlow {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  50% {
    transform: translate3d(100px, 50px, 0) scale(1.15);
  }

  100% {
    transform: translate3d(-50px, 100px, 0) scale(0.95);
  }
}

/* ============================================================
   GRID DECORATIVO
============================================================ */

.footer-grid {
  position: absolute;

  inset: 0;

  opacity: 0.045;

  background-image:
    linear-gradient(rgba(255, 255, 255, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.4) 1px, transparent 1px);

  background-size: 70px 70px;

  mask-image: linear-gradient(
    to bottom,
    transparent,
    #000 20%,
    #000 80%,
    transparent
  );
}

/* ============================================================
   PARTÍCULAS
============================================================ */

.footer-particles {
  position: absolute;

  inset: 0;

  pointer-events: none;

  overflow: hidden;
}

.footer-particle {
  position: absolute;

  width: 2px;

  height: 2px;

  border-radius: 50%;

  background: rgba(255, 255, 255, 0.7);

  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  from {
    transform: translateY(30px);

    opacity: 0;
  }

  20% {
    opacity: 0.8;
  }

  80% {
    opacity: 0.3;
  }

  to {
    transform: translateY(-350px);

    opacity: 0;
  }
}

/* ============================================================
   CONTENEDOR
============================================================ */

.footer-container {
  position: relative;

  width: min(1500px, 92%);

  margin: auto;

  padding: 100px 0 75px;

  display: grid;

  grid-template-columns:
    1.5fr
    0.75fr
    1fr
    1.35fr;

  gap: 65px;
}

/* ============================================================
   MARCA
============================================================ */

.footer-logo {
  display: inline-flex;

  align-items: center;

  gap: 14px;

  margin-bottom: 28px;
}

.footer-logo-image {
  width: 58px;

  height: 58px;

  display: flex;

  align-items: center;

  justify-content: center;
}

.footer-logo-image img {
  width: 100%;

  height: 100%;

  object-fit: contain;
}

.footer-brand-name {
  display: flex;

  flex-direction: column;

  line-height: 1;
}

.footer-brand-name strong {
  font-size: 21px;

  letter-spacing: 5px;

  font-weight: 700;
}

.footer-brand-name span {
  margin-top: 8px;

  font-size: 7px;

  letter-spacing: 3px;

  color: rgba(255, 255, 255, 0.55);
}

.footer-description {
  max-width: 360px;

  color: rgba(255, 255, 255, 0.58);

  font-size: 13px;

  line-height: 1.8;

  margin-bottom: 28px;
}

/* ============================================================
   REDES SOCIALES
============================================================ */

.footer-social-title {
  font-size: 9px;

  letter-spacing: 3px;

  font-weight: 700;

  color: rgba(255, 255, 255, 0.55);

  margin-bottom: 15px;
}

.footer-socials {
  display: flex;

  align-items: center;

  gap: 9px;
}

.social-link {
  position: relative;

  width: 40px;

  height: 40px;

  display: flex;

  align-items: center;

  justify-content: center;

  border: 1px solid rgba(255, 255, 255, 0.18);

  border-radius: 50%;

  background: rgba(255, 255, 255, 0.035);

  color: rgba(255, 255, 255, 0.8);

  transition:
    transform 0.35s ease,
    background 0.35s ease,
    color 0.35s ease,
    border-color 0.35s ease;
}

.social-link:hover {
  transform: translateY(-6px) rotate(5deg);

  background: #fff;

  color: #111;

  border-color: #fff;

  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.12);
}

.social-link i {
  font-size: 14px;
}

/* ============================================================
   ENCABEZADOS
============================================================ */

.footer-heading {
  margin-bottom: 28px;
}

.footer-heading span {
  display: block;

  font-size: 10px;

  letter-spacing: 3px;

  font-weight: 700;

  color: rgba(255, 255, 255, 0.9);

  margin-bottom: 11px;
}

.footer-heading div {
  width: 35px;

  height: 1px;

  background: rgba(255, 255, 255, 0.6);
}

/* ============================================================
   LINKS
============================================================ */

.footer-links {
  list-style: none;

  display: flex;

  flex-direction: column;

  gap: 15px;
}

.footer-links a {
  display: inline-flex;

  align-items: center;

  gap: 10px;

  font-size: 12px;

  color: rgba(255, 255, 255, 0.55);

  transition:
    color 0.3s ease,
    transform 0.3s ease;
}

.footer-links a i {
  font-size: 9px;

  opacity: 0;

  transform: translateX(-8px);

  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
}

.footer-links a:hover {
  color: #fff;

  transform: translateX(5px);
}

.footer-links a:hover i {
  opacity: 1;

  transform: translateX(0);
}

/* ============================================================
   CONTACTO
============================================================ */

.footer-contact {
  display: flex;

  flex-direction: column;
}

.contact-item {
  display: flex;

  gap: 14px;

  margin-bottom: 22px;
}

.contact-icon {
  width: 37px;

  height: 37px;

  flex: 0 0 37px;

  display: flex;

  align-items: center;

  justify-content: center;

  border: 1px solid rgba(255, 255, 255, 0.16);

  border-radius: 50%;

  background: rgba(255, 255, 255, 0.04);

  color: rgba(255, 255, 255, 0.8);
}

.contact-icon i {
  font-size: 12px;
}

.contact-item small {
  display: block;

  margin-bottom: 5px;

  font-size: 7px;

  letter-spacing: 2px;

  color: rgba(255, 255, 255, 0.4);
}

.contact-item p {
  font-size: 11px;

  line-height: 1.5;

  color: rgba(255, 255, 255, 0.72);
}

/* ============================================================
   MAPA
============================================================ */

.map-wrapper {
  position: relative;

  width: 100%;

  height: 215px;

  overflow: hidden;

  border: 1px solid rgba(255, 255, 255, 0.15);

  border-radius: 12px;

  background: #111;

  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.map-wrapper iframe {
  width: 100%;

  height: 100%;

  display: block;

  border: 0;

  filter: grayscale(100%) contrast(1.05) brightness(0.72);

  transition:
    filter 0.5s ease,
    transform 0.7s ease;
}

.map-wrapper:hover iframe {
  filter: grayscale(30%) contrast(1.05) brightness(0.82);

  transform: scale(1.03);
}

.map-overlay {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.map-pin {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 0 0 8px rgba(255, 255, 255, 0.06);
  animation: mapPulse 2s ease-in-out infinite;
}

.map-pin i {
  font-size: 16px;

  color: #fff;
}

.map-overlay span {
  padding: 6px 10px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.7);
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 2px;
}

@keyframes mapPulse {
  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.08);
  }
}

/*  BOTÓN MAPS*/

.map-button {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 8px;
  letter-spacing: 2px;
  transition:
    color 0.3s ease,
    background 0.3s ease;
}

.map-button:hover {
  color: #fff;

  background: rgba(255, 255, 255, 0.06);
}

/* =====DIVISOR==== */

.footer-divider {
  width: min(1500px, 92%);
  margin: auto;
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-divider span {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.14));
}

.footer-divider span:last-child {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.14), transparent);
}

.footer-divider-logo {
  width: 30px;
  height: 30px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.45);
  font-size: 10px;
}

/* ============================================================
   FOOTER BOTTOM
============================================================ */

.footer-bottom {
  padding: 25px 0;
  margin-top: 25px;
  background: rgba(0, 0, 0, 0.2);
}

.footer-bottom-container {
  width: min(1500px, 92%);
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-bottom p {
  font-size: 8px;

  letter-spacing: 1.2px;

  color: rgba(255, 255, 255, 0.38);
}

.footer-bottom strong {
  color: rgba(255, 255, 255, 0.7);
}

.footer-legal {
  display: flex;

  align-items: center;

  gap: 10px;

  font-size: 8px;

  color: rgba(255, 255, 255, 0.35);
}

.footer-legal a {
  transition: color 0.3s ease;
}

.footer-legal a:hover {
  color: #fff;
}

/* ============================================================
   BOTÓN VOLVER ARRIBA
============================================================ */

.back-to-top {
  position: fixed;

  right: 28px;

  bottom: 28px;

  z-index: 900;

  width: 54px;

  height: 54px;

  border: 1px solid rgba(255, 255, 255, 0.25);

  border-radius: 50%;

  background: rgba(10, 12, 15, 0.82);

  backdrop-filter: blur(10px);

  -webkit-backdrop-filter: blur(10px);

  color: #fff;

  cursor: pointer;

  display: flex;

  align-items: center;

  justify-content: center;

  opacity: 0;

  visibility: hidden;

  transform: translateY(20px);

  transition:
    opacity 0.4s ease,
    visibility 0.4s ease,
    transform 0.4s ease,
    background 0.3s ease;
}

.back-to-top.show {
  opacity: 1;

  visibility: visible;

  transform: translateY(0);
}

.back-to-top:hover {
  background: #fff;

  color: #111;

  transform: translateY(-5px);
}

.back-to-top i {
  font-size: 14px;
}

.back-to-top-text {
  position: absolute;

  right: 65px;

  white-space: nowrap;

  padding: 6px 9px;

  background: #fff;

  color: #111;

  border-radius: 3px;

  font-size: 7px;

  font-weight: 700;

  letter-spacing: 2px;

  opacity: 0;

  transform: translateX(8px);

  pointer-events: none;

  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
}

.back-to-top:hover .back-to-top-text {
  opacity: 1;

  transform: translateX(0);
}

/* ============================================================
   TABLET
============================================================ */

@media (max-width: 1100px) {
  .footer-container {
    grid-template-columns:
      1.3fr
      0.7fr
      1fr;

    gap: 50px;
  }

  .footer-map-column {
    grid-column: 1 / -1;

    max-width: 600px;
  }
}

/* ============================================================
   MOBILE
============================================================ */

@media (max-width: 800px) {
  .footer-container {
    width: calc(100% - 38px);

    padding: 75px 0 55px;

    grid-template-columns: 1fr;

    gap: 48px;
  }

  .footer-brand {
    max-width: 500px;
  }

  .footer-map-column {
    grid-column: auto;

    max-width: none;
  }

  .map-wrapper {
    height: 230px;
  }

  .footer-bottom-container {
    width: calc(100% - 38px);

    flex-direction: column;

    align-items: flex-start;

    gap: 14px;
  }

  .footer-divider {
    width: calc(100% - 38px);
  }

  .back-to-top {
    right: 18px;

    bottom: 18px;

    width: 48px;

    height: 48px;
  }

  .back-to-top-text {
    display: none;
  }
}

/* ============================================================
   MOBILE PEQUEÑO
============================================================ */

@media (max-width: 480px) {
  .footer-container {
    width: calc(100% - 30px);
  }

  .footer-brand-name strong {
    font-size: 18px;

    letter-spacing: 4px;
  }

  .footer-description {
    font-size: 12px;
  }

  .footer-socials {
    gap: 7px;
  }

  .social-link {
    width: 38px;

    height: 38px;
  }

  .map-wrapper {
    height: 200px;
  }

  .footer-bottom-container {
    width: calc(100% - 30px);
  }

  .footer-bottom p {
    line-height: 1.7;
  }
}