:root {
  --bg: #07070b;
  --panel: rgba(12, 10, 18, 0.84);
  --panel2: rgba(23, 16, 35, 0.78);
  --line: rgba(199, 157, 67, 0.28);
  --gold: #e6b84e;
  --gold2: #8f5d18;
  --violet: #8f4dff;
  --text: #f6f0df;
  --muted: #b9a98a;
  --green: #45ff9a;
  --red: #ff6060;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #050407;
  color: var(--text);
  font-family: Rajdhani, Arial, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

.page-bg {
  position: fixed;
  inset: 0;
  background: linear-gradient(90deg, rgba(3, 3, 6, 0.96) 0%, rgba(5, 4, 8, 0.72) 42%, rgba(7, 4, 4, 0.48)), url('login-bg.jpg') center/cover no-repeat;
  z-index: -2;
}

.page-bg:after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 35%, rgba(238, 150, 40, 0.22), transparent 28%), radial-gradient(circle at 15% 70%, rgba(112, 36, 190, 0.23), transparent 28%);
  z-index: -1;
}

.side-menu {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 260px;
  padding: 26px 18px;
  background: linear-gradient(180deg, rgba(8, 7, 12, 0.94), rgba(18, 11, 28, 0.9));
  border-right: 1px solid var(--line);
  box-shadow: 8px 0 40px rgba(0, 0, 0, 0.45);
  z-index: 20;
}

.brand {
  display: block;
  margin-bottom: 34px;
}

.brand img {
  width: 100%;
  max-width: 220px;
  filter: drop-shadow(0 0 16px rgba(126, 64, 255, 0.5));
}

.nav-btn {
  width: 100%;
  margin: 7px 0;
  padding: 14px 16px;
  text-align: left;
  border: 1px solid rgba(230, 184, 78, 0.16);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--muted);
  font: 700 18px Rajdhani;
  letter-spacing: 0.8px;
  cursor: pointer;
  transition: 0.25s;
}

.nav-btn:hover,
.nav-btn.active {
  color: var(--text);
  border-color: rgba(230, 184, 78, 0.65);
  background: linear-gradient(90deg, rgba(230, 184, 78, 0.18), rgba(143, 77, 255, 0.12));
  transform: translateX(4px);
}

.content {
  margin-left: 260px;
  min-height: 100vh;
  overflow-x: hidden;
}

.topbar {
  position: sticky;
  top: 0;
  height: 60px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 14px;
  padding: 0 34px;
  background: linear-gradient(180deg, rgba(5, 5, 8, 0.88), rgba(5, 5, 8, 0.45));
  backdrop-filter: blur(12px);
  z-index: 10;
}

.status-group {
  display: flex;
  gap: 12px;
  align-items: center;
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(69, 255, 154, 0.35);
  border-radius: 999px;
  padding: 6px 12px;
  background: rgba(69, 255, 154, 0.08);
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 13px;
}

.status-pill small {
  color: var(--muted);
  font-size: 10px;
  margin-left: 4px;
  letter-spacing: normal;
}

.status-pill span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 14px var(--green);
  animation: pulse 1.4s infinite;
}

.status-pill.offline {
  border-color: rgba(255, 96, 96, 0.4);
  background: rgba(255, 96, 96, 0.08);
  color: var(--red);
}

.status-pill.offline span {
  background: var(--red);
  box-shadow: 0 0 14px var(--red);
  animation: none;
}

.lang-btn {
  border: 1px solid var(--line);
  background: rgba(230, 184, 78, 0.12);
  color: var(--gold);
  border-radius: 12px;
  padding: 6px 14px;
  font-weight: 800;
  font-size: 14px;
  cursor: pointer;
}

.section {
  display: none;
  min-height: calc(100vh - 60px);
  padding: 20px 5vw;
}

.section.visible {
  display: block;
}

.section.hero.visible {
  min-height: calc(100vh - 60px);
  height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  padding: 0 5vw;
}

.hero-card {
  max-width: 850px;
  padding: 24px 40px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(9, 8, 14, 0.88), rgba(45, 25, 20, 0.58));
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.55), inset 0 0 60px rgba(230, 184, 78, 0.05);
}

.eyebrow {
  color: var(--gold);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 14px;
  margin: 0;
}

.hero h1,
.panel h2 {
  font-family: Cinzel, serif;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1;
  margin: 8px 0 12px;
  text-shadow: 0 0 28px rgba(230, 184, 78, 0.23);
}

.hero-text,
.panel p {
  font-size: 16px;
  color: #d6c6a3;
  max-width: 760px;
  line-height: 1.4;
  margin: 0;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 20px 0;
}

.gold-btn,
.dark-btn {
  border-radius: 14px;
  padding: 10px 20px;
  font: 700 16px Rajdhani;
  cursor: pointer;
  letter-spacing: 0.8px;
  text-decoration: none;
  display: inline-block;
}

.gold-btn {
  border: 1px solid #f3d17b;
  background: linear-gradient(180deg, #f4c75d, #8f5d18);
  color: #160d05;
  box-shadow: 0 0 28px rgba(230, 184, 78, 0.24);
}

.dark-btn {
  border: 1px solid rgba(143, 77, 255, 0.55);
  background: rgba(143, 77, 255, 0.12);
  color: #eee1ff;
}

.quick-info {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.highfive-card {
  grid-column: span 3;
  padding: 16px 20px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(230, 184, 78, 0.12), rgba(143, 77, 255, 0.08));
  border: 1px solid var(--gold);
}

.highfive-card h3 {
  color: var(--gold);
  margin: 0 0 8px;
  font-family: Cinzel, serif;
  font-size: 18px;
}

.highfive-card p {
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 8px;
  font-size: 13px;
}

.highfive-card p:last-child {
  margin-bottom: 0;
}

.panel {
  max-width: 1120px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.cards.two {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards article,
.action-card,
.rate-card,
.download-card,
.donation-item {
  padding: 20px;
  border: 1px solid rgba(230, 184, 78, 0.18);
  border-radius: 22px;
  background: linear-gradient(145deg, var(--panel), var(--panel2));
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.28);
}

.cards h3,
.action-card h3,
.download-card h3,
.donation-item h4 {
  font-family: Cinzel, serif;
  color: var(--gold);
  margin: 0 0 8px;
  font-size: 18px;
}

.cards p,
.action-card p,
.download-card p,
.donation-item .items {
  font-size: 14px;
  color: #c8b99d;
  margin: 0;
}

.action-card,
.download-card {
  text-decoration: none;
  color: inherit;
  transition: 0.25s;
}

.action-card:hover,
.download-card:hover {
  transform: translateY(-4px);
  border-color: rgba(230, 184, 78, 0.65);
}

.rates-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.rate-card {
  text-align: center;
  padding: 16px;
}

.rate-card b {
  display: block;
  font-size: 28px;
  color: var(--gold);
}

.rate-card span {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 12px;
}

.config-note {
  border-left: 4px solid var(--gold);
  background: rgba(230, 184, 78, 0.08);
  padding: 12px 16px;
  border-radius: 10px;
  color: #dfcfaa;
  font-weight: 600;
  font-size: 13px;
}

.coin-note {
  background: linear-gradient(135deg, rgba(230,184,78,0.1), rgba(143,77,255,0.08));
  border-left: 4px solid var(--violet);
}

.download-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.download-card .download-btn {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 16px;
  border-radius: 12px;
  background: rgba(230, 184, 78, 0.17);
  border: 1px solid var(--line);
  color: var(--gold);
  font-weight: 800;
  font-size: 13px;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: #111;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 16px;
  opacity: 0;
  transform: translateY(20px);
  transition: 0.25s;
  color: var(--gold);
  z-index: 99;
  font-size: 14px;
}

.toast.show {
  opacity: 1;
  transform: none;
}

@keyframes pulse {
  50% {
    opacity: 0.4;
    transform: scale(0.8);
  }
}

/* ============================================ */
/* GUÍA DE INSTALACIÓN */
/* ============================================ */

.installation-guide {
  margin-top: 48px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(9, 8, 14, 0.88), rgba(45, 25, 20, 0.58));
}

.installation-guide h3 {
  font-family: Cinzel, serif;
  color: var(--gold);
  font-size: 28px;
  margin: 0 0 8px 0;
  text-align: center;
}

.installation-guide > p {
  text-align: center;
  margin-bottom: 32px;
  color: var(--muted);
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.step-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  border: 1px solid rgba(230, 184, 78, 0.18);
  border-radius: 20px;
  background: linear-gradient(145deg, var(--panel), var(--panel2));
  transition: transform 0.25s, border-color 0.25s;
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(230, 184, 78, 0.45);
}

/* Cuadro F con los mismos colores - ANCHO COMPLETO */
.step-card-f {
  display: flex;
  gap: 16px;
  padding: 20px;
  border: 1px solid rgba(230, 184, 78, 0.18);
  border-radius: 20px;
  background: linear-gradient(145deg, var(--panel), var(--panel2));
  transition: transform 0.25s, border-color 0.25s;
  grid-column: 1 / -1;
  text-align: center;
}

.step-card-f:hover {
  transform: translateY(-4px);
  border-color: rgba(230, 184, 78, 0.45);
}

.step-card-f .step-content {
  text-align: center;
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold2));
  color: #160d05;
  font-family: Cinzel, serif;
  font-size: 24px;
  font-weight: 900;
  box-shadow: 0 0 20px rgba(230, 184, 78, 0.3);
}

.step-content {
  flex: 1;
}

.step-content h4 {
  color: var(--gold);
  font-family: Cinzel, serif;
  font-size: 18px;
  margin: 0 0 8px 0;
}

.step-content p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
  margin: 0 0 12px 0;
}

.step-img {
  margin-top: 12px;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(230, 184, 78, 0.2);
}

.step-img img {
  width: 100%;
  height: auto;
  display: block;
}

.img-placeholder {
  padding: 40px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  background: linear-gradient(135deg, rgba(230, 184, 78, 0.08), rgba(143, 77, 255, 0.05));
  font-family: monospace;
  font-size: 24px;
}

.install-note {
  margin-top: 32px;
  padding: 16px 20px;
  border-left: 4px solid var(--violet);
  background: linear-gradient(135deg, rgba(143, 77, 255, 0.12), rgba(230, 184, 78, 0.05));
  border-radius: 12px;
  color: #dfcfaa;
  font-weight: 600;
  font-size: 14px;
  text-align: center;
}

/* ============================================ */
/* RESPONSIVE */
/* ============================================ */

@media (max-width: 900px) {
  .side-menu {
    position: sticky;
    width: 100%;
    height: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 14px;
  }

  .brand {
    grid-column: 1 / -1;
    text-align: center;
    margin: 0;
  }

  .brand img {
    max-width: 250px;
  }

  .content {
    margin-left: 0;
  }

  .topbar {
    top: 0;
    height: 55px;
  }

  .section {
    padding: 20px 18px;
  }

  .section.hero.visible {
    min-height: auto;
    height: auto;
    padding: 20px 18px;
  }

  .hero-card {
    padding: 20px;
  }

  .cards,
  .cards.two,
  .rates-grid,
  .download-list {
    grid-template-columns: 1fr;
  }

  .quick-info {
    grid-template-columns: 1fr;
  }

  .hero.visible {
    display: block;
  }

  .nav-btn {
    font-size: 16px;
    text-align: center;
    padding: 10px 12px;
  }

  .status-group {
    gap: 6px;
  }

  .status-pill {
    padding: 4px 8px;
    font-size: 10px;
  }

  .highfive-card {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  .steps-container {
    grid-template-columns: 1fr;
  }
  
  .installation-guide {
    padding: 20px;
  }
  
  .step-card,
  .step-card-f {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .step-number {
    margin-bottom: 12px;
  }
  
  .step-content h4 {
    text-align: center;
  }
  
  .step-card-f .step-content {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .installation-guide h3 {
    font-size: 22px;
  }
  
  .step-card,
  .step-card-f {
    padding: 16px;
  }
  
  .img-placeholder {
    padding: 30px 15px;
    font-size: 20px;
  }
}

@media (max-width: 500px) {
  .donation-grid {
    grid-template-columns: 1fr;
  }
}