/* 279studio — componentes: nav, botones, tarjetas, formularios, footer */

/* ---------- Preloader ---------- */
#preloader {
  position: fixed; inset: 0; z-index: 10000;
  background: var(--negro); display: flex; align-items: center; justify-content: center;
  transition: opacity var(--dur-med) var(--ease-out), visibility var(--dur-med);
}
#preloader.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
#preloader .loader-icon { width: 64px; height: 64px; color: var(--hueso); }
#preloader .loader-icon path {
  stroke-dasharray: 100; stroke-dashoffset: 100;
  animation: draw-arc 1.1s var(--ease-in-out) infinite;
}
@keyframes draw-arc {
  0% { stroke-dashoffset: 100; }
  55% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -100; }
}

/* ---------- Page transition ---------- */
#page-transition {
  position: fixed; inset: 0; z-index: 9999; background: var(--negro);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
}
#page-transition.is-active { opacity: 1; pointer-events: all; transition: opacity var(--dur-fast) var(--ease-out); }
#page-transition .loader-icon { width: 48px; height: 48px; color: var(--hueso); }

/* ---------- Cursor custom ---------- */
#cursor {
  position: fixed; top: 0; left: 0; width: 22px; height: 22px; border-radius: 50%;
  border: 1.5px solid var(--acento-vivo); pointer-events: none; z-index: 9998;
  transform: translate(-50%, -50%) scale(1); transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
  mix-blend-mode: difference;
}
#cursor.is-active { transform: translate(-50%, -50%) scale(2.09); background: rgba(var(--acento-vivo-rgb), 0.25); }
@media (max-width: 768px), (hover: none) and (pointer: coarse) { #cursor { display: none; } }

/* ---------- Header / nav ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  padding: 1.4rem var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  transition: padding var(--dur-med) var(--ease-out), background var(--dur-med) var(--ease-out), backdrop-filter var(--dur-med);
}
.site-header.is-shrunk {
  padding-block: 0.7rem;
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--linea);
}
.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand-icon { width: 34px; height: 34px; color: var(--hueso); flex-shrink: 0; }

.nav-actions { display: flex; align-items: center; gap: 1.4rem; }
.lang-switch { display: flex; gap: 0.4rem; font-family: var(--label); font-size: 0.78rem; letter-spacing: 0.08em; }
.lang-switch button { padding: 0.2rem 0.4rem; color: var(--acento-suave); }
.lang-switch button[aria-current="true"] { color: var(--acento-vivo); }

.menu-toggle { display: flex; flex-direction: column; gap: 5px; width: 30px; z-index: 600; }
.menu-toggle span { display: block; height: 2px; background: var(--hueso); transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast); }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mega-menu {
  position: fixed; inset: 0; z-index: 480; background: var(--negro);
  display: flex; align-items: center; justify-content: center;
  visibility: hidden; opacity: 0; transition: opacity var(--dur-med) var(--ease-out), visibility var(--dur-med);
}
.mega-menu.is-open { visibility: visible; opacity: 1; }
.mega-menu-list { display: flex; flex-direction: column; gap: 0.4rem; text-align: center; }
.mega-menu-list a {
  font-family: var(--serif); font-size: clamp(1.8rem, 5vw, 3.6rem); font-weight: 600;
  overflow: hidden; display: block; padding: 0.15em 0;
}
.mega-menu-list a span { display: inline-block; transform: translateY(100%); transition: transform var(--dur-med) var(--ease-out), color var(--dur-fast); }
.mega-menu.is-open .mega-menu-list a span { transform: translateY(0); }
.mega-menu-list a:hover span, .mega-menu-list a:focus-visible span { color: var(--acento-vivo); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--label); font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.95rem 1.9rem; border-radius: 999px; position: relative; isolation: isolate;
}
.btn-primary { background: var(--acento-vivo); color: var(--negro); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--hueso); }
.btn-outline {
  border: 1px solid var(--linea-fuerte); color: var(--hueso); overflow: hidden; z-index: 0;
}
.btn-outline::before {
  content: ""; position: absolute; inset: 0; background: var(--acento-vivo); border-radius: inherit;
  transform: scaleX(0); transform-origin: left; transition: transform var(--dur-fast) var(--ease-out); z-index: -1;
}
.btn-outline:hover, .btn-outline:focus-visible { border-color: transparent; color: var(--negro); }
.btn-outline:hover::before, .btn-outline:focus-visible::before { transform: scaleX(1); }
.btn[data-magnetic] { transition: transform 0.2s var(--ease-out); }

.btn .spinner { width: 16px; height: 16px; border: 2px solid currentColor; border-top-color: transparent; border-radius: 50%; animation: spin 0.7s linear infinite; display: none; }
.btn.is-loading .spinner { display: inline-block; }
.btn.is-loading .btn-label { opacity: 0.6; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Tarjetas con tilt 3D ---------- */
.tilt-card { perspective: 1000px; }
.tilt-card-inner {
  transform-style: preserve-3d; transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
  border: 1px solid var(--linea); border-radius: var(--radius-m); padding: 2rem;
  background: linear-gradient(160deg, rgba(244,242,237,0.03), transparent);
}
.tilt-card:hover .tilt-card-inner, .tilt-card:focus-within .tilt-card-inner { border-color: var(--linea-fuerte); }

/* ---------- Imagen expand on hover ---------- */
.media-frame { overflow: hidden; border-radius: var(--radius-m); }
.media-frame img, .media-frame .media-fill { transition: transform var(--dur-med) var(--ease-out); }
.media-frame:hover img, .media-frame:hover .media-fill { transform: scale(1.06); }

/* ---------- Formularios ---------- */
.field { position: relative; margin-block: 1.6rem; }
.field input, .field textarea, .field select {
  width: 100%; padding: 0.7rem 0.1rem; border-bottom: 1px solid var(--linea-fuerte);
  background: transparent; color: var(--hueso); transition: border-color var(--dur-fast);
}
.field select { appearance: none; }
.field textarea { resize: vertical; min-height: 6rem; }
.field label {
  position: absolute; left: 0.1rem; top: 0.7rem; color: var(--acento-suave);
  font-family: var(--label); font-size: 0.85rem; letter-spacing: 0.03em;
  transition: transform var(--dur-fast) var(--ease-out), color var(--dur-fast); pointer-events: none; transform-origin: left;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--acento-vivo); outline: none; }
.field input:focus ~ label, .field input:not(:placeholder-shown) ~ label,
.field textarea:focus ~ label, .field textarea:not(:placeholder-shown) ~ label,
.field.has-value label { transform: translateY(-1.3rem) scale(0.82); color: var(--acento-vivo); }
.field-check { display: flex; align-items: flex-start; gap: 0.7rem; font-size: 0.9rem; }
.field-check input { width: 18px; height: 18px; flex-shrink: 0; margin-top: 0.15rem; border: 1px solid var(--linea-fuerte); }
.field-hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }

.form-status { margin-top: 1rem; font-size: 0.9rem; }
.form-status[data-state="ok"] { color: var(--acento-vivo); }
.form-status[data-state="error"] { color: #e6a08a; }

/* ---------- Footer ---------- */
.site-footer { padding-block: clamp(3.5rem, 8vw, 6rem) 2.5rem; background: var(--negro); border-top: 1px solid var(--linea); }
.footer-lockup { width: min(420px, 80vw); color: var(--hueso); margin-bottom: 2.5rem; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
.footer-grid h4 { font-family: var(--label); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--acento-suave); margin-bottom: 0.9rem; }
.footer-grid a, .footer-grid p { display: block; font-size: 0.92rem; color: var(--gris-text); margin-bottom: 0.55rem; }
.footer-grid a:hover, .footer-grid a:focus-visible { color: var(--acento-vivo); }
.footer-social { display: flex; gap: 1rem; margin-top: 0.5rem; }
.footer-social a { width: 20px; height: 20px; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--linea); font-size: 0.8rem; color: var(--acento-suave); }
.newsletter-form { display: flex; gap: 0.6rem; margin-top: 0.6rem; }
.newsletter-form input { border: 1px solid var(--linea-fuerte); padding: 0.6rem 0.9rem; border-radius: 999px; flex: 1; background: transparent; color: var(--hueso); }

/* ---------- Floating actions ---------- */
.whatsapp-float, .back-to-top {
  position: fixed; right: 1.6rem; z-index: 400; width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--acento-vivo); color: var(--negro);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.whatsapp-float { bottom: 1.6rem; }
.back-to-top { bottom: 5.6rem; background: var(--gris-osc); color: var(--hueso); border: 1px solid var(--linea-fuerte); width: 44px; height: 44px; }
.whatsapp-float.is-visible, .back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------- Cookie banner ---------- */
#cookie-banner {
  position: fixed; left: 1rem; right: 1rem; bottom: 1rem; z-index: 700; max-width: 640px; margin-inline: auto;
  background: var(--gris-osc); border: 1px solid var(--linea-fuerte); border-radius: var(--radius-m);
  padding: 1.3rem 1.5rem; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between;
  transform: translateY(140%); transition: transform var(--dur-med) var(--ease-out);
}
#cookie-banner.is-visible { transform: translateY(0); }
#cookie-banner p { font-size: 0.85rem; color: var(--gris-text); margin: 0; flex: 1 1 260px; }
#cookie-banner .cookie-actions { display: flex; gap: 0.6rem; }
#cookie-banner button { font-family: var(--label); font-size: 0.78rem; letter-spacing: 0.05em; text-transform: uppercase; padding: 0.55rem 1.1rem; border-radius: 999px; }
#cookie-banner .cookie-accept { background: var(--acento-vivo); color: var(--negro); }
#cookie-banner .cookie-reject { border: 1px solid var(--linea-fuerte); color: var(--hueso); }

/* ---------- Contador ---------- */
.stat { font-family: var(--serif); font-size: clamp(2.6rem, 5vw, 4.2rem); color: var(--acento-vivo); font-weight: 600; }

/* ---------- Utilidades ---------- */
.icon { width: 22px; height: 22px; color: var(--acento-vivo); }
.hr-line { height: 1px; background: var(--linea); border: none; }