/* ============================================
   Running-themed Animations
   ============================================ */

/* ---- Scroll Reveal ---- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.85);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.stagger-children.revealed > *:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(2) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(3) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(4) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(5) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(6) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }

/* ---- Running Track Line ---- */
.section-divider {
    position: relative;
    height: 40px;
    overflow: hidden;
}

.track-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary) 20%, var(--accent) 80%, transparent);
}

.track-runner {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    color: var(--primary);
    animation: trackRun 6s linear infinite;
}

@keyframes trackRun {
    0% { left: -30px; }
    100% { left: calc(100% + 30px); }
}

/* ---- Shoe Print Trail ---- */
.shoe-prints {
    position: absolute;
    bottom: -20px;
    left: 0;
    width: 100%;
    height: 40px;
    overflow: hidden;
    pointer-events: none;
}

.shoe-print {
    position: absolute;
    font-size: 0.7rem;
    color: rgba(230, 57, 70, 0.08);
    transform: rotate(-15deg);
}

.shoe-print:nth-child(odd) {
    transform: rotate(15deg) scaleX(-1);
}

/* Generate shoe prints via animation */
.shoe-prints .sp-1 { left: 5%; animation: shoeAppear 3s ease infinite 0s; }
.shoe-prints .sp-2 { left: 12%; animation: shoeAppear 3s ease infinite 0.3s; }
.shoe-prints .sp-3 { left: 19%; animation: shoeAppear 3s ease infinite 0.6s; }
.shoe-prints .sp-4 { left: 26%; animation: shoeAppear 3s ease infinite 0.9s; }
.shoe-prints .sp-5 { left: 33%; animation: shoeAppear 3s ease infinite 1.2s; }
.shoe-prints .sp-6 { left: 40%; animation: shoeAppear 3s ease infinite 1.5s; }
.shoe-prints .sp-7 { left: 47%; animation: shoeAppear 3s ease infinite 1.8s; }
.shoe-prints .sp-8 { left: 54%; animation: shoeAppear 3s ease infinite 2.1s; }
.shoe-prints .sp-9 { left: 61%; animation: shoeAppear 3s ease infinite 2.4s; }
.shoe-prints .sp-10 { left: 68%; animation: shoeAppear 3s ease infinite 2.7s; }

@keyframes shoeAppear {
    0%, 100% { opacity: 0; transform: scale(0.8) rotate(-15deg); }
    30%, 70% { opacity: 1; transform: scale(1) rotate(-15deg); }
}

/* ---- Parallax Effect ---- */
.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: -1;
}

/* ---- Floating Elements ---- */
.float-element {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.float-slow {
    animation: float 8s ease-in-out infinite;
}

.float-fast {
    animation: float 4s ease-in-out infinite;
}

/* ---- Gradient Animation ---- */
.gradient-animated {
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
}

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

/* ---- Counter Animation ---- */
.counter-value {
    display: inline-block;
    transition: all 0.5s ease;
}

/* ---- Running Silhouette ---- */
.running-silhouette {
    position: absolute;
    bottom: 0;
    left: -100px;
    font-size: 3rem;
    color: rgba(255,255,255,0.05);
    animation: silhouetteRun 15s linear infinite;
}

@keyframes silhouetteRun {
    0% { left: -100px; opacity: 0; }
    5% { opacity: 1; }
    95% { opacity: 1; }
    100% { left: calc(100% + 100px); opacity: 0; }
}

/* ---- Glowing Border ---- */
.glow-border {
    position: relative;
}

.glow-border::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--primary), var(--accent), var(--secondary), var(--primary));
    background-size: 400% 400%;
    border-radius: inherit;
    z-index: -1;
    animation: glowBorder 4s ease infinite;
    filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

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

/* ---- Heartbeat for Live Indicators ---- */
.heartbeat {
    animation: heartbeat 1.5s ease infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    30% { transform: scale(1.15); }
    60% { transform: scale(1); }
}

/* ---- Loading Spinner ---- */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0,0,0,0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ---- Number Counter Rolling Up ---- */
@keyframes countUp {
    from { opacity: 0; transform: translateY(100%); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Decorative Dots Pattern ---- */
.dots-pattern {
    position: absolute;
    width: 200px;
    height: 200px;
    background-image: radial-gradient(circle, rgba(230,57,70,0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
}

/* ---- Wiggle Animation ---- */
.wiggle {
    animation: wiggle 2s ease infinite;
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(3deg); }
    75% { transform: rotate(-3deg); }
}