/* ============================================================
   ANIMACIONES — ACADEMIA JOTA RUBIO
   ============================================================ */

/* ---------- KEYFRAMES ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideRight {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideLeft {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.2); opacity: 0.7; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

@keyframes floatSlow {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33%      { transform: translate(30px, -30px) rotate(120deg); }
  66%      { transform: translate(-20px, 20px) rotate(240deg); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
  50%      { box-shadow: 0 0 40px var(--accent-glow), 0 0 60px var(--accent-glow); }
}

@keyframes shimmer {
  0%   { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.3; }
}

@keyframes drawLine {
  from { stroke-dashoffset: 1000; }
  to   { stroke-dashoffset: 0; }
}

@keyframes scan {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes typewriter {
  from { width: 0; }
  to   { width: 100%; }
}

@keyframes typingCursor {
  0%, 100% { border-color: transparent; }
  50%      { border-color: var(--accent); }
}

/* ---------- HERO CIRCUIT ANIMATION ---------- */
.circuit-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0.4;
}

.circuit-svg {
  width: 100%;
  height: 100%;
}

.circuit-line {
  stroke: var(--accent);
  stroke-width: 1;
  fill: none;
  opacity: 0.4;
  stroke-dasharray: 5 5;
  animation: drawLine 4s linear infinite;
}

.circuit-line.green { stroke: var(--success); opacity: 0.3; }
.circuit-line.amber { stroke: var(--warning); opacity: 0.3; }

.circuit-node {
  fill: var(--accent);
  animation: blink 3s ease-in-out infinite;
}

.circuit-node.green { fill: var(--success); animation-delay: 1s; }
.circuit-node.amber { fill: var(--warning); animation-delay: 2s; }

.circuit-pulse {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  animation: glow 2s ease-in-out infinite;
}

/* Floating orbs in background */
.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: floatSlow 20s ease-in-out infinite;
  pointer-events: none;
}

.bg-orb-1 {
  width: 400px; height: 400px;
  background: var(--accent);
  top: 10%; left: 10%;
}

.bg-orb-2 {
  width: 300px; height: 300px;
  background: var(--success);
  bottom: 20%; right: 15%;
  animation-delay: 5s;
}

.bg-orb-3 {
  width: 250px; height: 250px;
  background: var(--warning);
  top: 50%; left: 50%;
  animation-delay: 10s;
  opacity: 0.3;
}

/* ---------- SCROLL REVEAL ---------- */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(0.9); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* ---------- STAGGER DELAYS ---------- */
.delay-1 { transition-delay: 0.1s !important; }
.delay-2 { transition-delay: 0.2s !important; }
.delay-3 { transition-delay: 0.3s !important; }
.delay-4 { transition-delay: 0.4s !important; }
.delay-5 { transition-delay: 0.5s !important; }
.delay-6 { transition-delay: 0.6s !important; }

/* ---------- HOVER EFFECTS ---------- */
.hover-lift { transition: transform var(--t-base), box-shadow var(--t-base); }
.hover-lift:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.hover-glow { transition: all var(--t-base); }
.hover-glow:hover { box-shadow: 0 0 30px var(--accent-glow); border-color: var(--accent); }

/* ---------- LOADING STATES ---------- */
.skeleton {
  background: linear-gradient(90deg,
    rgba(148, 163, 184, 0.05) 0%,
    rgba(148, 163, 184, 0.15) 50%,
    rgba(148, 163, 184, 0.05) 100%);
  background-size: 2000px 100%;
  animation: shimmer 1.5s linear infinite;
  border-radius: var(--radius-sm);
}

/* ---------- TYPING EFFECT ---------- */
.typing-text {
  display: inline-block;
  position: relative;
}

.typing-text::after {
  content: '|';
  position: absolute;
  right: -8px;
  top: 0;
  color: var(--accent);
  animation: typingCursor 0.8s ease-in-out infinite;
}

.typing-text.typing-done::after {
  opacity: 0;
  transition: opacity 0.3s;
}

/* ---------- NOTIFICATION TOAST ---------- */
.toast-container {
  position: fixed;
  top: calc(var(--nav-height) + 16px);
  right: 16px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  padding: var(--sp-3) var(--sp-4);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  max-width: 360px;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--fs-sm);
  pointer-events: auto;
  animation: slideRight 0.3s ease;
}

.toast.success { border-left-color: var(--success); }
.toast.warning { border-left-color: var(--warning); }
.toast.danger  { border-left-color: var(--danger); }

.toast-icon { font-size: 18px; flex-shrink: 0; }
.toast-close { margin-left: auto; color: var(--text-muted); cursor: pointer; font-size: 18px; padding: 0 4px; }
.toast-close:hover { color: var(--text-primary); }

/* ---------- GLOW CARD (efecto hover) ---------- */
.glow-card { position: relative; overflow: hidden; }
.glow-card::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--accent), var(--success), var(--warning));
  border-radius: inherit;
  opacity: 0;
  z-index: -1;
  transition: opacity var(--t-base);
  filter: blur(12px);
}
.glow-card:hover::before { opacity: 0.5; }

/* ---------- PROGRESS RING (para skill bars) ---------- */
.progress-ring { transform: rotate(-90deg); }
.progress-ring__circle {
  transition: stroke-dashoffset 1s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: 50% 50%;
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}