/* ============================================
   Take Action Challenge — Animations
   Micro-interactions, scroll reveals, transitions
   ============================================ */

/* --- Scroll Reveal (Intersection Observer triggered) --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Staggered children */
.reveal-stagger>* {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stagger.visible>*:nth-child(1) {
    transition-delay: 0ms;
}

.reveal-stagger.visible>*:nth-child(2) {
    transition-delay: 80ms;
}

.reveal-stagger.visible>*:nth-child(3) {
    transition-delay: 160ms;
}

.reveal-stagger.visible>*:nth-child(4) {
    transition-delay: 240ms;
}

.reveal-stagger.visible>*:nth-child(5) {
    transition-delay: 320ms;
}

.reveal-stagger.visible>*:nth-child(6) {
    transition-delay: 400ms;
}

.reveal-stagger.visible>*:nth-child(7) {
    transition-delay: 480ms;
}

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

/* --- CTA Button Glow Pulse --- */
@keyframes glow-pulse {

    0%,
    100% {
        box-shadow: 0 0 20px var(--accent-glow), 0 0 40px rgba(56, 154, 244, 0.15);
    }

    50% {
        box-shadow: 0 0 30px var(--accent-glow), 0 0 60px rgba(56, 154, 244, 0.25);
    }
}

.btn-glow {
    animation: glow-pulse 3s ease-in-out infinite;
}

/* --- Countdown Digit Tick --- */
@keyframes digit-tick {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }

    60% {
        transform: translateY(4%);
        opacity: 1;
    }

    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.countdown-digit.tick {
    animation: digit-tick 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Sticky Bar Slide Up --- */
@keyframes slide-up {
    from {
        transform: translateY(100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slide-down {
    from {
        transform: translateY(0);
        opacity: 1;
    }

    to {
        transform: translateY(100%);
        opacity: 0;
    }
}

.sticky-bar-enter {
    animation: slide-up 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.sticky-bar-exit {
    animation: slide-down 0.25s cubic-bezier(0.4, 0, 1, 1) forwards;
}

/* --- FAQ Accordion --- */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1),
        opacity 0.3s ease;
    opacity: 0;
}

.faq-item.open .faq-answer {
    opacity: 1;
}

.faq-chevron {
    transition: transform var(--transition-base);
}

.faq-item.open .faq-chevron {
    transform: rotate(180deg);
}

/* --- Hero Float (subtle floating effect) --- */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-6px);
    }
}

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

/* --- Gradient Shimmer (for accent text) --- */
@keyframes shimmer {
    0% {
        background-position: -200% center;
    }

    100% {
        background-position: 200% center;
    }
}

.text-shimmer {
    background: linear-gradient(90deg,
            var(--accent) 0%,
            #7BC8FF 25%,
            var(--accent) 50%,
            #7BC8FF 75%,
            var(--accent) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 6s linear infinite;
}

/* --- Card Hover Lift --- */
.card-hover {
    transition: transform var(--transition-base),
        box-shadow var(--transition-base),
        border-color var(--transition-base);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.12);
}

/* --- Win Card Success Glow Border --- */
@keyframes success-border-glow {

    0%,
    100% {
        border-color: rgba(52, 211, 153, 0.3);
        box-shadow: 0 0 15px rgba(52, 211, 153, 0.1);
    }

    50% {
        border-color: rgba(52, 211, 153, 0.5);
        box-shadow: 0 0 25px rgba(52, 211, 153, 0.2);
    }
}

.win-glow {
    animation: success-border-glow 3s ease-in-out infinite;
    border: 1px solid rgba(52, 211, 153, 0.3);
}

/* --- Identity Mirror: Line-by-Line Reveal --- */
.reveal-lines > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-lines.visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-lines.visible > *:nth-child(2) { transition-delay: 200ms; }
.reveal-lines.visible > *:nth-child(3) { transition-delay: 400ms; }
.reveal-lines.visible > *:nth-child(4) { transition-delay: 700ms; }
.reveal-lines.visible > *:nth-child(5) { transition-delay: 1000ms; }

.reveal-lines.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* --- Reduce Motion for Accessibility --- */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    .reveal-stagger>*,
    .reveal-lines>* {
        opacity: 1;
        transform: none;
    }
}