/* ============================================================
   Lumicles 2.0 – Hoja de estilos global (base)
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

/* ── Variables ── */
:root {
  --bg: #000000;
  --col: #383838;
  --text: #aaaaaa;
  --h2: #dddddd;
  --h1: #ffffff;
  --nav-bg: #808080;
  --accent: #7c7cff;
  --btn-color: #2196f3;
  --btn-color-hover: #42a5f5;
  --max-w: 1200px;
  --transition: 0.25s ease;
}

/* ── Reset básico ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Base ── */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Tipografía ── */
h1 {
  color: var(--h1);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.7rem;
}

h2 {
  color: var(--h2);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1em;
}

h3 {
  color: var(--h2);
  font-size: 1.25rem;
  font-weight: 500;
}

p {
  color: var(--text);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--transition);
}

a:hover {
  opacity: 0.75;
}

/* ── Layout principal ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

main {
  flex: 1;
  background-color: #000;
}

main .container {
  padding-top: 2.5rem;
  padding-bottom: 1.5rem;
  background-color: var(--col);
}

main .container>.section-block:last-child {
  margin-bottom: 0;
}

/* ============================================================
   ENCABEZADO
   ============================================================ */
#site-header {
  width: 100%;
  height: 350px;
  background-color: #000;
  overflow: hidden;
  display: flex;
  justify-content: center;
}

#site-header .header-bg {
  position: relative;
  width: 100%;
  max-width: var(--max-w);
  background-color: #111;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-slide {
  position: absolute;
  left: 0;
  right: 0;
  top: -30%;
  height: 160%;
  background-size: cover;
  background-position: center center;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  will-change: opacity, transform;
}

.header-slide.is-active {
  opacity: 1;
}

.header-overlay {
  position: absolute;
  inset: 0;
  /*background: rgba(0, 0, 0, 0.40);*/
  z-index: 1;
}

.header-title {
  position: relative;
  z-index: 2;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  color: #fff;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  text-shadow:
    0 0 30px rgba(0, 0, 0, 1)
}

/* ============================================================
   NAVEGACIÓN
   ============================================================ */
#main-nav {
  background: transparent;
  position: sticky;
  top: 0;
  z-index: 100;
}

#main-nav .container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  background: linear-gradient(to bottom, #797979, #696969);
}

.nav-logo {
  display: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0;
}

.nav-menu>li {
  position: relative;
}

.nav-menu>li+li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: #cccccc;
  opacity: 0.5;
}

.nav-menu a {
  display: block;
  padding: 0.4rem 0.85rem;
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0;
  transition: background var(--transition), color var(--transition);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.nav-menu a:hover,
.nav-menu a.active {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  opacity: 1;
}

/* Hamburguesa */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #111;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Language switcher – nav ── */
.nav-lang {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  margin-left: 0.5rem;
  padding-left: 0.75rem;
  border-left: 1px solid rgba(0, 0, 0, 0.2);
}

.lang-btn {
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  padding: 0.15rem 0.3rem;
  border-radius: 3px;
  border: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
  text-decoration: none;
  line-height: 1;
  opacity: 0.7;
}

.lang-btn:hover {
  opacity: 1;
  border-color: rgba(255, 255, 255, 0.4);
}

.lang-btn.lang-active {
  opacity: 1;
  /*border-color: rgba(255, 255, 255, 0.5);*/
  background: rgba(255, 255, 255, 0.25);
  border-radius: 3px;
}

.lang-sep {
  color: #ccc;
  font-size: 0.7rem;
  opacity: 0.5;
}

.lang-long {
  display: none;
}

.lang-short {
  display: inline;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background-color: #000;
  padding: 0;
  text-align: center;
  font-size: 0.8rem;
  color: #666;
  display: flex;
  justify-content: center;
}

footer .container {
  width: 100%;
  max-width: var(--max-w);
  background-color: #111;
  padding: 1.25rem 1.5rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: #666;
  margin: 0 0.4rem;
  font-size: 0.8rem;
}

.footer-links a:hover {
  color: var(--text);
}

/* ── Language switcher – footer ── */
.footer-lang {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.footer-lang-btn {
  color: #666;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.4rem;
  border: 1px solid #444;
  border-radius: 3px;
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition);
}

.footer-lang-btn:hover,
.footer-lang-btn.active {
  border-color: #888;
  color: #aaa;
  opacity: 1;
}

/* ============================================================
   SECCIONES GENERALES
   ============================================================ */
.section-block {
  margin-bottom: 3rem;
}

.section-intro {
  margin-bottom: 1.5rem;
  max-width: 100%;
}

/* ── Botón estándar ── */
.btn {
  display: inline-block;
  padding: 0.55rem 1.25rem;
  background: var(--btn-color);
  border: 1px solid var(--btn-color);
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  text-decoration: none;
}

.btn:hover {
  background: var(--btn-color-hover);
  border-color: var(--btn-color-hover);
  color: #fff;
  opacity: 1;
}

/* ── Páginas placeholder ── */
.placeholder-page {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 1rem;
}

.placeholder-badge {
  display: inline-block;
  background: rgba(124, 124, 255, 0.1);
  border: 1px dashed var(--accent);
  color: var(--accent);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.8rem;
}

/* ============================================================
   RESPONSIVE – Base
   ============================================================ */
@media (max-width: 768px) {
  .container {
    padding-left: 10px;
    padding-right: 10px;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  /* Nav mobile */
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 48px;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    padding: 0.75rem 1.5rem 1rem;
    gap: 0;
    z-index: 200;
  }

  .nav-menu.is-open {
    display: flex;
  }

  .nav-menu a {
    padding: 0.6rem 0 0.6rem 5px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  }

  .nav-menu>li+li::before {
    display: none;
  }

  .nav-lang {
    border-left: none;
    justify-content: center;
  }

  .lang-short {
    display: none;
  }

  .lang-long {
    display: inline;
  }

  .lang-btn {
    padding: 0.3rem;
  }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    gap: 0.75rem;
  }
}