/* ==========================================================
   I-GSE | Componentes (botones, navbar, tarjetas, formularios)
   ========================================================== */

/* ---------- Botones ---------- */
.btn { font-weight: 600; border-radius: 50rem; padding: .8rem 1.6rem; transition: all .3s var(--ig-ease); }
.btn-ig {
  color: #fff; border: 0;
  background: var(--ig-grad-blue);
  box-shadow: 0 10px 30px -10px rgba(63, 162, 246, .6);
}
.btn-ig:hover, .btn-ig:focus { color: #fff; transform: translateY(-2px); box-shadow: var(--ig-glow); }
.btn-ig-outline {
  color: var(--ig-heading);
  background: var(--ig-glass);
  border: 1px solid var(--ig-border-2);
  backdrop-filter: blur(6px);
}
.btn-ig-outline:hover { color: var(--ig-heading); border-color: var(--ig-primary); background: rgba(63,162,246,.12); }

/* ---------- Navbar ---------- */
.ig-navbar {
  min-height: var(--ig-nav-h);
  background: transparent;
  transition: background .35s var(--ig-ease), box-shadow .35s var(--ig-ease), min-height .35s var(--ig-ease);
}
.ig-navbar.is-scrolled {
  --ig-nav-h: 68px;
  background: var(--ig-nav-scrolled);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--ig-border);
}
.ig-navbar .navbar-brand img { width: 88px; transition: width .35s var(--ig-ease); }
.ig-navbar.is-scrolled .navbar-brand img { width: 72px; }
.ig-navbar .nav-link {
  position: relative;
  color: var(--ig-text-soft);
  font-weight: 500;
  padding: .5rem .9rem !important;
}
.ig-navbar .nav-link::after {
  content: ""; position: absolute; left: .9rem; right: .9rem; bottom: .2rem;
  height: 2px; border-radius: 2px; background: var(--ig-grad-brand);
  transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ig-ease);
}
.ig-navbar .nav-link:hover, .ig-navbar .nav-link.active { color: var(--ig-heading); }
.ig-navbar .nav-link:hover::after, .ig-navbar .nav-link.active::after { transform: scaleX(1); }
.ig-navbar .navbar-toggler { border: 1px solid var(--ig-border-2); padding: .45rem .6rem; }
.ig-navbar .navbar-toggler:focus { box-shadow: none; }

/* Menú móvil (offcanvas) – mantiene fondo oscuro para el logo blanco */
.ig-offcanvas { flex-grow: 1; }
@media (max-width: 991.98px) {
  .ig-offcanvas {
    background: var(--ig-night-2) !important;
    border-left: 1px solid var(--ig-border) !important;
    color: var(--ig-text);
  }
  .ig-offcanvas .offcanvas-body { flex-direction: column; }
  .ig-offcanvas .nav-link { font-size: 1.15rem; padding: .8rem 0 !important; border-bottom: 1px solid var(--ig-border); }
  .ig-offcanvas .nav-link::after { display: none; }
}
@media (min-width: 992px) {
  .ig-offcanvas .offcanvas-body { display: flex; }
}

/* ---------- Tarjetas vidrio ---------- */
.glass-card {
  position: relative;
  height: 100%;
  padding: 2rem;
  background: var(--ig-card-bg);
  border: 1px solid var(--ig-border);
  border-radius: var(--ig-radius);
  transition: transform .4s var(--ig-ease), border-color .4s var(--ig-ease), box-shadow .4s var(--ig-ease);
  overflow: hidden;
}
.glass-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(63,162,246,.14), transparent 40%);
  opacity: 0; transition: opacity .4s var(--ig-ease);
}
.glass-card:hover { transform: translateY(-6px); border-color: rgba(63,162,246,.45); box-shadow: var(--ig-shadow); }
.glass-card:hover::before { opacity: 1; }

.icon-box {
  width: 58px; height: 58px; display: grid; place-items: center;
  font-size: 1.6rem; color: #fff;
  background: var(--ig-grad-brand);
  border-radius: 1rem;
  box-shadow: 0 10px 25px -8px rgba(173, 73, 225, .55);
}

.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li { position: relative; padding-left: 1.8rem; margin-bottom: .55rem; color: var(--ig-text-soft); }
.check-list li::before {
  content: "\F26E"; font-family: "bootstrap-icons"; position: absolute; left: 0; top: 0;
  color: var(--ig-primary); font-size: 1.15rem;
}

/* ---------- Formularios ---------- */
.ig-form .form-control {
  color: var(--ig-heading);
  background: var(--ig-input-bg);
  border: 1px solid var(--ig-border);
  border-radius: var(--ig-radius-sm);
}
.ig-form .form-control::placeholder { color: rgba(169,170,186,.7); }
.ig-form .form-floating > .form-control::placeholder { color: transparent; }
.ig-form .form-control:focus {
  background: var(--ig-input-bg);
  border-color: var(--ig-primary);
  box-shadow: 0 0 0 .2rem rgba(63,162,246,.18);
  color: var(--ig-heading);
}
.ig-form .form-floating > label { color: var(--ig-text); }
.ig-form .form-floating > .form-control:focus ~ label,
.ig-form .form-floating > .form-control:not(:placeholder-shown) ~ label { color: var(--ig-primary); }
.ig-form .form-floating > .form-control:focus ~ label::after,
.ig-form .form-floating > .form-control:not(:placeholder-shown) ~ label::after { background: transparent; }
.ig-form .form-check-input { background-color: transparent; border-color: var(--ig-border-2); }
.ig-form .form-check-input:checked { background-color: var(--ig-primary); border-color: var(--ig-primary); }
.form-alert { display: none; border-radius: var(--ig-radius-sm); }
.form-alert.show { display: block; }

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 1040;
  width: 62px; height: 62px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 1.95rem; color: #fff;
  background: #25D366;
  box-shadow: 0 10px 30px -6px rgba(37, 211, 102, .6);
  transition: transform .3s var(--ig-ease);
}
.wa-float::before, .wa-float::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid #25D366; animation: wa-pulse 2.4s infinite;
}
.wa-float::after { animation-delay: 1.2s; }
.wa-float:hover { color: #fff; transform: scale(1.08); }
.wa-float .wa-tooltip {
  position: absolute; right: 76px; white-space: nowrap;
  padding: .45rem .9rem; font-size: .85rem; font-weight: 600;
  color: var(--ig-night); background: #fff; border-radius: .6rem;
  opacity: 0; transform: translateX(8px); pointer-events: none;
  transition: all .3s var(--ig-ease);
}
.wa-float:hover .wa-tooltip { opacity: 1; transform: translateX(0); }
@keyframes wa-pulse {
  0%   { transform: scale(1);   opacity: .7; }
  100% { transform: scale(1.6); opacity: 0; }
}
@media (max-width: 575.98px) {
  .wa-float { width: 56px; height: 56px; right: 16px; bottom: 16px; font-size: 1.75rem; }
  .wa-float .wa-tooltip { display: none; }
}

/* ---------- Volver arriba ---------- */
.to-top {
  position: fixed; right: 30px; bottom: 96px; z-index: 1035;
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  color: var(--ig-heading); background: var(--ig-surface); border: 1px solid var(--ig-border-2);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all .3s var(--ig-ease);
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { color: #fff; background: var(--ig-primary-dark); }
@media (max-width: 575.98px) { .to-top { right: 22px; bottom: 84px; } }