/* ============================================================
   ZONIK PROYECTOS — Animaciones y efectos adicionales
   ============================================================ */

/* ── Scroll-reveal animation ────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Shimmer on cards on hover ─────────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
.shimmer-hover::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, transparent 20%, rgba(255,255,255,0.05) 50%, transparent 80%);
  background-size: 400px 100%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.shimmer-hover:hover::after {
  opacity: 1;
  animation: shimmer 1.2s ease infinite;
}

/* ── Glow border on focus (inputs) ────────────────────────── */
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--grad-a);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15),
              0 0 20px rgba(124, 58, 237, 0.1);
}

/* ── Notification / Toast ──────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  box-shadow: var(--shadow);
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.4s var(--ease), opacity 0.4s var(--ease);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  pointer-events: none;
  max-width: 320px;
}
#toast.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
#toast .toast-icon { font-size: 1.2rem; }
#toast .toast-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--gradient);
  border-radius: 0 0 12px 12px;
  animation: toastBar 3s linear forwards;
}
@keyframes toastBar { from { width: 100%; } to { width: 0%; } }

/* ── Floating particles (decorative) ──────────────────────── */
.particle {
  position: fixed;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gradient);
  pointer-events: none;
  z-index: 0;
  animation: particleFloat linear infinite;
  opacity: 0.3;
}
@keyframes particleFloat {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: 0.3; }
  90%  { opacity: 0.3; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* ── Outline gradient cards (version 2) ───────────────────── */
.outline-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-xl);
  isolation: isolate;
}
.outline-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: var(--gradient);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.outline-card:hover::before { opacity: 0.6; }
.outline-card-inner {
  position: relative;
  background: var(--glass-bg);
  border-radius: calc(var(--radius-xl) - 1px);
  height: 100%;
}

/* ── Hero background grid ──────────────────────────────────── */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 100%);
}

/* ── Nav active indicator ──────────────────────────────────── */
.nav-link-indicator {
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 4px;
  background: var(--gradient);
  border-radius: 50%;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}
.nav-link.active .nav-link-indicator,
.nav-link:hover .nav-link-indicator { opacity: 1; }

/* ── Scrolled navbar shadow ────────────────────────────────── */
.navbar.scrolled {
  box-shadow: 0 4px 24px rgba(0,0,0,0.15);
  border-bottom-color: var(--border);
}

/* ── Loading skeleton ──────────────────────────────────────── */
@keyframes skeleton {
  0%,100% { opacity: 0.5; }
  50%      { opacity: 1; }
}
.skeleton {
  background: var(--surface);
  border-radius: 8px;
  animation: skeleton 1.5s ease-in-out infinite;
}