* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Urbanist", sans-serif;
  /*outline: 1px solid red;*/
}

html {
  scroll-behavior: smooth;
}

body {
  background: #fbfafa;
}

/* NAVBAR */

nav {
  width: 100%;
  height: 70px;
  background: #fbfafa;
  box-shadow: #2125299a 0px 2px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 60px;
  position: fixed;
  top: 0;
  z-index: 1001;
}

.logo-nav {
  width: 180px;
  height: auto;
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-links a {
  text-decoration: none;
  color: #212529;
  font-weight: 500;
  font-size: 18px;
  padding: 6px 4px;
  position: relative;
  transition: color 0.2s;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--verde);
  transition: width 0.25s ease;
}

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

.nav-links a.active {
  color: var(--verde);
  font-weight: 700;
}

/*BOTON IDIOMa*/

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: var(--negro);
  border: 1.5px solid rgba(134, 222, 171, 0.2);
  border-radius: 8px;
  padding: 0;
  cursor: pointer;

  font-size: 13px;
  position: relative;
  overflow: hidden;
  transition:
    border-color 0.25s,
    box-shadow 0.25s;
  user-select: none;
}
.lang-btn:hover {
  border-color: rgba(134, 222, 171, 0.53);
  box-shadow:
    0 0 0 3px rgba(134, 222, 171, 0.08),
    inset 0 0 20px rgba(0, 104, 74, 0.1);
}
.lang-btn:active {
  transform: scale(0.97);
}

.lb-bracket {
  color: var(--verde-claro);
  padding: 8px 7px;
  font-size: 18px;
  line-height: 1;
  opacity: 0.55;
  transition: opacity 0.2s;
  font-weight: 300;
}
.lang-btn:hover .lb-bracket {
  opacity: 1;
}

.lb-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 5px 10px;
  border-left: 1px solid rgba(134, 222, 171, 0.13);
  border-right: 1px solid rgba(134, 222, 171, 0.13);
  gap: 1px;
  min-width: 54px;
}

.lb-lang-row {
  display: flex;
  align-items: center;
  gap: 4px;
}
.lb-lang {
  color: var(--verde-claro);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: color 0.2s;
}
.lb-cursor {
  width: 7px;
  height: 13px;
  background: var(--verde);
  border-radius: 1px;
  animation: blink 1.1s step-end infinite;
}

.lang-btn:hover .lb-lang {
  color: var(--verde-claro);
}
.lang-btn:hover .lb-cursor {
  background: var(--verde-claro);
}

.lb-switch-hint {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #fbfafac2, transparent);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.lang-btn:hover .lb-switch-hint {
  transform: scaleX(1);
}

.lang-btn.switching .lb-lang {
  animation: glitch 0.25s ease forwards;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}
@keyframes glitch {
  0% {
    opacity: 1;
    transform: translateX(0);
  }
  25% {
    opacity: 0.3;
    transform: translateX(-3px);
    filter: blur(1px);
  }
  50% {
    opacity: 0.6;
    transform: translateX(2px);
  }
  75% {
    opacity: 0.8;
    transform: translateX(-1px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
    filter: none;
  }
}

/* Hamburger menu */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--negro);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  nav {
    padding: 0 20px;
    height: 60px;
  }

  .logo-nav {
    width: 130px;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background: #fbfafa;
    flex-direction: column;
    gap: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 1000;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 16px 24px;
    font-size: 16px;
    border-bottom: 1px solid #f0f0f0;
  }

  .nav-links a::after {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .lang {
    font-size: 11px;
    padding: 6px 10px;
  }
}

@media (max-width: 480px) {
  nav {
    padding: 0 16px;
  }
}