/* Neubrid Foundation — Animations Stylesheet */

/* ==========================================================================
   1. Page Load Animations
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ==========================================================================
   2. Hero Entrance Sequence
   ========================================================================== */
.hero-overline {
    animation: fadeIn 0.6s ease 0.2s both;
}

.hero-title {
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-sub {
    animation: fadeInUp 0.8s ease 0.5s both;
}

.hero-ctas {
    animation: fadeInUp 0.8s ease 0.7s both;
}

.scroll-indicator {
    animation: fadeIn 1s ease 1.2s both;
}

/* ==========================================================================
   3. Scroll Reveal
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ==========================================================================
   4. Stagger Delays (apply to list/grid children)
   ========================================================================== */
.stagger-children > *:nth-child(1) { transition-delay: 0.08s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.16s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.24s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.32s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.40s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.48s; }
.stagger-children > *:nth-child(7) { transition-delay: 0.56s; }
.stagger-children > *:nth-child(8) { transition-delay: 0.64s; }

/* ==========================================================================
   5. Scroll Indicator
   ========================================================================== */
@keyframes scrollPulse {
    0% {
        transform: scaleY(1);
        opacity: 0.4;
    }
    50% {
        transform: scaleY(1.3);
        opacity: 0.8;
    }
    100% {
        transform: scaleY(1);
        opacity: 0.4;
    }
}

.scroll-dot {
    animation: scrollPulse 1.5s ease-in-out infinite;
}

@keyframes bounceDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(6px);
    }
}

/* ==========================================================================
   6. Counter Number Animation
   ========================================================================== */
.counter-number {
    transition: all 0.3s ease;
}

@keyframes counterPop {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.08);
    }
    100% {
        transform: scale(1);
    }
}

.counter-number.pop-animation-complete {
    animation: counterPop 0.3s ease-out;
}

/* ==========================================================================
   7. Gradient Bar
   ========================================================================== */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 100% 50%;
    }
}

.grad-bar {
    background-size: 200% 100%;
    animation: gradientShift 4s ease infinite;
}

/* ==========================================================================
   8. Button Microinteractions
   ========================================================================== */
.btn {
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0) scale(0.98);
}

/* ==========================================================================
   9. Card Hover
   ========================================================================== */
.card, 
.program-card, 
.story-post-card {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}

/* ==========================================================================
   10. Nav Scroll Transition
   ========================================================================== */
.site-header {
    transition: background-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

/* ==========================================================================
   11. Mobile Menu
   ========================================================================== */
.nav-links {
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease, visibility 0.35s ease;
}

/* ==========================================================================
   12. Hamburger Morph
   ========================================================================== */
.hamburger span {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ==========================================================================
   13. Partner Logo Strip
   ========================================================================== */
@keyframes partnerScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.partners-track {
    animation: partnerScroll 30s linear infinite;
}

.partners-track:hover {
    animation-play-state: paused;
}

/* ==========================================================================
   14. Floating Button Pulse (WhatsApp)
   ========================================================================== */
@keyframes whatsappPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 0 0 12px rgba(37, 211, 102, 0);
    }
}

.float-whatsapp {
    animation: whatsappPulse 2s ease-in-out infinite;
}

/* ==========================================================================
   15. Manifesto Lines
   ========================================================================== */
.manifesto-line {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.manifesto-line.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ==========================================================================
   16. Image Zoom on Hover
   ========================================================================== */
.gallery-item img {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

/* ==========================================================================
   17. Tab Transition
   ========================================================================== */
.tab-content {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tab-content.active {
    opacity: 1;
}

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

    .hero-overline, 
    .hero-title, 
    .hero-sub, 
    .hero-ctas,
    .scroll-indicator,
    .partners-track,
    .float-whatsapp,
    .counter-number.pop-animation-complete {
        animation: none !important;
    }

    .hero-overline, 
    .hero-title, 
    .hero-sub, 
    .hero-ctas {
        opacity: 1;
    }

    .reveal, 
    .reveal-left, 
    .reveal-right, 
    .reveal-scale {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .reveal.visible,
    .reveal-left.visible,
    .reveal-right.visible,
    .reveal-scale.visible {
        transform: none;
    }
}