/* ============================================
   CordyShop.com — Animations & Transitions
   ============================================ */

/* ---------- Scroll Reveal Animations ---------- */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-animate="fade-up"].animated {
    opacity: 1;
    transform: translateY(0);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate="fade-left"].animated {
    opacity: 1;
    transform: translateX(0);
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate="fade-right"].animated {
    opacity: 1;
    transform: translateX(0);
}

[data-animate="scale-up"] {
    transform: scale(0.9);
}

[data-animate="scale-up"].animated {
    opacity: 1;
    transform: scale(1);
}

[data-animate="float"] {
    opacity: 0;
}

[data-animate="float"].animated {
    opacity: 1;
    transform: none;
}

/* ---------- Stagger Delays ---------- */
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="150"] { transition-delay: 150ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="250"] { transition-delay: 250ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="350"] { transition-delay: 350ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="450"] { transition-delay: 450ms; }
[data-delay="500"] { transition-delay: 500ms; }
[data-delay="600"] { transition-delay: 600ms; }

/* ---------- Particle Animation ---------- */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.15;
    animation: particle-float linear infinite;
}

@keyframes particle-float {
    0% {
        transform: translateY(100vh) translateX(0) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.15;
    }
    90% {
        opacity: 0.15;
    }
    100% {
        transform: translateY(-10vh) translateX(100px) scale(1);
        opacity: 0;
    }
}

/* ---------- Counter Animation ---------- */
.counting {
    display: inline-block;
}

/* ---------- Stat Bar Animation ---------- */
.benefit-stat-bar::after {
    width: 0;
    transition: width 1.5s ease-out 0.3s;
}

.benefit-card.animated .benefit-stat-bar::after {
    width: var(--width);
}

/* ---------- Card Shimmer on Hover ---------- */
.about-card::before,
.research-card::before,
.benefit-card::before,
.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        transparent 40%,
        rgba(255,255,255,0.03) 50%,
        transparent 60%
    );
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.about-card:hover::before,
.research-card:hover::before,
.benefit-card:hover::before,
.product-card:hover::before {
    opacity: 1;
}

.about-card,
.research-card,
.benefit-card,
.product-card {
    position: relative;
}

/* ---------- Navbar Scroll Animation ---------- */
.navbar {
    transition: background 0.3s, box-shadow 0.3s;
}

/* ---------- Smooth Theme Transition ---------- */
body,
.navbar,
.about-card,
.research-card,
.benefit-card,
.product-card,
.review-card,
.faq-item,
.contact-card,
.contact-form-wrapper,
.footer,
.trust-bar {
    transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease;
}

/* ---------- Button Ripple ---------- */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

/* ---------- Hero Image Parallax ---------- */
.hero-img {
    transition: transform 0.3s ease;
}

/* ---------- Glow Pulse ---------- */
.hero-glow {
    animation: glow-pulse 4s ease-in-out infinite alternate;
}

@keyframes glow-pulse {
    0% { opacity: 0.4; transform: scale(1); }
    100% { opacity: 0.7; transform: scale(1.1); }
}

/* ---------- FAQ Accordion Animation ---------- */
.faq-answer {
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Loading Skeleton ---------- */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.skeleton {
    background: linear-gradient(90deg, var(--border) 25%, var(--border-light) 37%, var(--border) 63%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

/* ---------- Scroll-triggered Gradient Bar ---------- */
.benefit-card.animated .benefit-stat-bar::after {
    animation: bar-fill 1.5s ease-out forwards;
}

@keyframes bar-fill {
    from { width: 0; }
    to { width: var(--width); }
}

/* ---------- Prefers Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    [data-animate] {
        opacity: 1;
        transform: none;
    }
}