@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600&family=Sora:wght@600;700&display=swap");

:root {
  --bg: #0f1418;
  --bg-elevated: #182128;
  --bg-panel: #212b34;
  --text: #f3f6f8;
  --text-muted: #a9b6c0;
  --border: #31404c;
  --border-strong: #4d6270;
  --accent: #3dd6c3;
  --accent-strong: #2bbfad;
  --accent-ink: #042f2c;
  --warn: #f0b429;
  --link: #7ed0ff;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --font-display: "Sora", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
}

html {
  background: var(--bg);
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(ellipse 90% 55% at 50% -15%, rgba(61, 214, 195, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 20%, rgba(126, 208, 255, 0.06), transparent 45%),
    var(--bg) !important;
  color: var(--text) !important;
  font-family: var(--font-body);
  min-height: 100vh;
  line-height: 1.55;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
.navbar-brand,
.intro-title {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

a {
  color: var(--link);
}

a:hover {
  color: #b6e4ff;
}

nav {
  font-size: 1rem;
}

.navbar.site-nav {
  background: rgba(12, 16, 20, 0.92) !important;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  z-index: 1030;
}

.navbar.site-nav .navbar-brand,
.navbar.site-nav .nav-link {
  color: var(--text) !important;
}

.navbar.site-nav .nav-link {
  opacity: 0.82;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.navbar.site-nav .nav-link:hover,
.navbar.site-nav .nav-item.active .nav-link {
  opacity: 1;
  color: var(--accent) !important;
}

.navbar.site-nav .navbar-toggler {
  border: 1px solid rgba(61, 214, 195, 0.35);
  border-radius: 10px;
  padding: 0.45rem 0.6rem;
  min-width: 2.65rem;
  min-height: 2.65rem;
}

.navbar.site-nav .navbar-toggler:focus,
.navbar.site-nav .navbar-toggler:hover {
  outline: none;
  box-shadow: 0 0 0 2px rgba(61, 214, 195, 0.22);
  border-color: rgba(61, 214, 195, 0.55);
}

.navbar.site-nav .navbar-toggler-icon {
  width: 1.25rem;
  height: 1.25rem;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(243,246,248,0.95)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar.site-nav .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(61,214,195,0.98)' stroke-linecap='round' stroke-width='2' d='M8 8l14 14M22 8L8 22'/%3e%3c/svg%3e");
}

@media (max-width: 991.98px) {
  .navbar.site-nav .navbar-collapse {
    margin-top: 0.55rem;
    padding: 0.25rem 0 0.35rem;
    border-top: 1px solid rgba(49, 64, 76, 0.85);
    text-align: left !important;
  }

  .navbar.site-nav .navbar-nav {
    width: 100%;
    padding-top: 0.15rem;
  }

  .navbar.site-nav .nav-item {
    width: 100%;
    border-bottom: 1px solid rgba(49, 64, 76, 0.55);
  }

  .navbar.site-nav .nav-item:last-child {
    border-bottom: 0;
  }

  .navbar.site-nav .nav-link {
    display: block;
    padding: 0.95rem 0.2rem !important;
    font-size: 1.05rem;
    opacity: 1;
  }

  .navbar.site-nav .nav-item.active .nav-link {
    color: var(--accent) !important;
  }

  body.nav-open {
    overflow: hidden;
  }

  body.nav-open::before {
    content: "";
    position: fixed;
    inset: 0;
    top: 3.55rem;
    z-index: 1025;
    background: rgba(8, 11, 14, 0.55);
  }
}

footer {
  width: 100%;
}

.site-footer {
  position: relative;
  margin-top: 3.5rem;
  overflow: hidden;
  border-top: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(15, 20, 24, 0.2), rgba(11, 16, 20, 0.95)),
    #0b1014;
  color: var(--text-muted);
}

.site-footer-glow {
  position: absolute;
  left: 50%;
  top: -80px;
  width: min(720px, 90vw);
  height: 180px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(61, 214, 195, 0.16), transparent 70%);
  pointer-events: none;
}

.site-footer-main {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.75rem;
  padding: 2.4rem 1rem 1.85rem;
}

.site-footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.7rem;
  color: var(--text) !important;
  text-decoration: none !important;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.site-footer-logo img {
  display: block;
  opacity: 0.95;
}

.site-footer-logo:hover {
  color: var(--accent) !important;
}

.site-footer-copy {
  margin: 0;
  max-width: 26rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.site-footer-label {
  margin: 0 0 0.65rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.site-footer-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.site-footer-nav a,
.site-footer-text-btn {
  display: inline-block;
  padding: 0;
  border: 0;
  background: none;
  color: #d5dee5 !important;
  text-decoration: none !important;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
  cursor: pointer;
  transition: color 0.15s ease, transform 0.15s ease;
}

.site-footer-nav a:hover,
.site-footer-text-btn:hover {
  color: var(--accent) !important;
  transform: translateX(2px);
}

.site-footer-bottom {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(49, 64, 76, 0.85);
  background: rgba(0, 0, 0, 0.22);
  padding: 0.95rem 0;
  font-size: 0.86rem;
}

.site-footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.25rem;
  justify-content: space-between;
  align-items: center;
}

.site-footer-bottom strong {
  color: var(--text);
  font-weight: 600;
}

.site-footer-meta {
  color: var(--text-muted);
}

.site-contact-lead {
  color: var(--text-muted);
}

.site-contact-mail {
  display: inline-block;
  color: var(--accent) !important;
  font-weight: 600;
  text-decoration: none !important;
  word-break: break-all;
}

.site-contact-mail:hover {
  color: #7af0df !important;
}

.site-contact-modal .modal-footer .btn-accent {
  margin-left: 0.35rem;
}

@media (min-width: 768px) {
  .site-footer-main {
    grid-template-columns: 1.6fr 0.8fr 1fr;
    gap: 2rem;
    padding: 2.75rem 1rem 2.1rem;
    align-items: start;
  }
}

.card,
.modal-content,
.alert-secondary {
  background-color: var(--bg-elevated) !important;
  color: var(--text) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
}

.card-footer {
  background-color: var(--bg-panel) !important;
  border-top: 1px solid var(--border) !important;
}

.titulo,
.bg-white {
  background-color: var(--bg-elevated) !important;
  color: var(--text) !important;
}

.text-muted,
.text-dark {
  color: var(--text-muted) !important;
}

.btn-accent {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink) !important;
  border: 1px solid var(--accent-strong);
  font-weight: 600;
  border-radius: 10px;
  padding: 0.55rem 1.1rem;
  text-decoration: none !important;
  transition: background 0.2s ease, transform 0.15s ease;
}

.btn-accent:hover {
  background: var(--accent-strong);
  color: var(--accent-ink) !important;
  transform: translateY(-1px);
  text-decoration: none !important;
}

.btn-ghost {
  display: inline-block;
  background: transparent;
  color: var(--text) !important;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 0.55rem 1.1rem;
  text-decoration: none !important;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.btn-ghost:hover {
  background: var(--bg-panel);
  border-color: var(--accent);
  color: var(--text) !important;
  text-decoration: none !important;
}

.btn-dark {
  background-color: var(--bg-panel) !important;
  border-color: var(--border-strong) !important;
  color: var(--text) !important;
}

.btn-dark:hover {
  background-color: #2a3742 !important;
  border-color: var(--accent) !important;
}

.btn-outline-dark,
.btn-outline-secondary {
  color: var(--text) !important;
  border-color: var(--border-strong) !important;
}

.btn-outline-dark:hover,
.btn-outline-secondary:hover {
  background: var(--bg-panel) !important;
  color: var(--text) !important;
  border-color: var(--accent) !important;
}

.badge-level {
  display: inline-flex;
  align-items: center;
  width: max-content;
  max-width: max-content;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
  white-space: nowrap;
}

.badge-level.is-inicial {
  background: rgba(61, 214, 195, 0.16);
  color: #7af0df;
  border-color: rgba(61, 214, 195, 0.35);
}

.badge-level.is-intermedio {
  background: rgba(126, 208, 255, 0.14);
  color: #9ed8ff;
  border-color: rgba(126, 208, 255, 0.35);
}

.badge-level.is-avanzado {
  background: rgba(240, 180, 41, 0.14);
  color: #ffd27a;
  border-color: rgba(240, 180, 41, 0.35);
}

.badge-level.is-proximamente {
  background: rgba(169, 182, 192, 0.14);
  color: #d0d7dd;
  border-color: rgba(169, 182, 192, 0.35);
}

.badge-secondary {
  background: var(--bg-panel) !important;
  color: var(--text) !important;
  border: 1px solid var(--border-strong);
}

.shadow-lg {
  box-shadow: var(--shadow) !important;
}

.modal-header,
.modal-footer {
  border-color: var(--border) !important;
}

.close {
  color: var(--text);
  text-shadow: none;
  opacity: 0.75;
}

.close:hover {
  color: #fff;
  opacity: 1;
}

hr.bg-white {
  border-color: rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.2) !important;
}