/* ============================================================
   VOXERA ANIMATIONS
   Keyframes, scroll reveals, and motion effects
   ============================================================ */

/* ---------- Reveal Animations ---------- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.stagger-children.active > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.active > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.active > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.active > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.active > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.active > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children.active > *:nth-child(7) { transition-delay: 0.35s; }
.stagger-children.active > *:nth-child(8) { transition-delay: 0.4s; }
.stagger-children.active > *:nth-child(9) { transition-delay: 0.45s; }

.stagger-children.active > * {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Keyframe Animations ---------- */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(14, 165, 233, 0.2); }
    50% { box-shadow: 0 0 40px rgba(14, 165, 233, 0.4); }
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(2.5); opacity: 0; }
}

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

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes slide-up {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

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

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

@keyframes dash {
    to { stroke-dashoffset: 0; }
}

@keyframes glow-line {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}

@keyframes beacon-pulse {
    0% { transform: scale(0.5); opacity: 0.8; }
    100% { transform: scale(3); opacity: 0; }
}

@keyframes data-flow {
    0% { transform: translateY(-100%); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(100%); opacity: 0; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ---------- Animated Elements ---------- */
.animate-float {
    animation: float 6s var(--ease-in-out) infinite;
}

.animate-pulse-glow {
    animation: pulse-glow 3s var(--ease-in-out) infinite;
}

.animate-spin-slow {
    animation: spin-slow 20s linear infinite;
}

.shimmer-effect {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(14, 165, 233, 0.05) 25%,
        rgba(14, 165, 233, 0.1) 50%,
        rgba(14, 165, 233, 0.05) 75%,
        transparent 100%
    );
    background-size: 200% 100%;
    animation: shimmer 3s infinite;
}

/* ---------- Hero Animations ---------- */
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
}

.hero-glow-1 {
    width: 500px;
    height: 500px;
    background: rgba(14, 165, 233, 0.12);
    top: -100px;
    right: -100px;
    animation: float 8s var(--ease-in-out) infinite;
}

.hero-glow-2 {
    width: 400px;
    height: 400px;
    background: rgba(99, 102, 241, 0.1);
    bottom: -50px;
    left: -100px;
    animation: float 10s var(--ease-in-out) infinite reverse;
}

.hero-glow-3 {
    width: 300px;
    height: 300px;
    background: rgba(34, 211, 238, 0.08);
    top: 40%;
    left: 30%;
    animation: float 12s var(--ease-in-out) infinite;
}

/* ---------- Particle Grid ---------- */
.particle-grid {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.03) 1px, transparent 0);
    background-size: 40px 40px;
    pointer-events: none;
}

/* ---------- Animated Border ---------- */
.animated-border {
    position: relative;
}

.animated-border::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo), var(--accent-cyan));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
}

.animated-border:hover::after {
    opacity: 1;
}

/* ---------- Glowing Line ---------- */
.glow-line {
    height: 1px;
    background: var(--border-color);
    position: relative;
    overflow: hidden;
}

.glow-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    animation: glow-line 3s var(--ease-in-out) infinite;
}

/* ---------- Number Counter ---------- */
.counter {
    display: inline-block;
    font-variant-numeric: tabular-nums;
}

/* ---------- Scroll Progress ---------- */
.scroll-progress {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    height: 2px;
    background: var(--gradient-primary);
    z-index: 1001;
    transition: width 0.1s linear;
}

/* ---------- Loading Skeleton ---------- */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-card) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

/* ---------- Mouse Follower Glow ---------- */
.cursor-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: left 0.3s var(--ease-out), top 0.3s var(--ease-out);
}

[data-theme="light"] .cursor-glow {
    background: radial-gradient(circle, rgba(14, 165, 233, 0.04) 0%, transparent 70%);
}