/* ============================================================
   ANIMATIONS — Keyframes, Scroll Reveals, Transitions
   Pure CSS + IntersectionObserver driven
   ============================================================ */

/* ============================================================
   1. SCROLL REVEAL — Base Setup
   Elements start hidden, become visible when class 'revealed' is added
   ============================================================ */

/* Center Pop Up (Replaces Fade Up) */
.reveal-up {
    opacity: 0;
    transform: scale(0.95);
    transform-origin: center center;
    transition: opacity 1.1s cubic-bezier(0.22, 1, 0.36, 1), transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Fade In */
.reveal-fade {
    opacity: 0;
    transition: opacity 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-fade.revealed {
    opacity: 1;
}

/* Center Pop Up (Replaces Slide from Left) */
.reveal-left {
    opacity: 0;
    transform: scale(0.95);
    transform-origin: center center;
    transition: opacity 1.1s cubic-bezier(0.22, 1, 0.36, 1), transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Center Pop Up (Replaces Slide from Right) */
.reveal-right {
    opacity: 0;
    transform: scale(0.95);
    transform-origin: center center;
    transition: opacity 1.1s cubic-bezier(0.22, 1, 0.36, 1), transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Scale In */
.reveal-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 1.1s cubic-bezier(0.22, 1, 0.36, 1), transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* ============================================================
   2. STAGGER ANIMATION
   Parent has .reveal-stagger, children get delay via CSS variable
   ============================================================ */
.reveal-stagger > * {
    opacity: 0;
    transform: scale(0.95);
    transform-origin: center center;
    transition: opacity 1.1s cubic-bezier(0.22, 1, 0.36, 1), transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-stagger.revealed > *:nth-child(5) { transition-delay: 0.32s; }
.reveal-stagger.revealed > *:nth-child(6) { transition-delay: 0.40s; }
.reveal-stagger.revealed > *:nth-child(7) { transition-delay: 0.48s; }
.reveal-stagger.revealed > *:nth-child(8) { transition-delay: 0.56s; }
.reveal-stagger.revealed > *:nth-child(9) { transition-delay: 0.64s; }
.reveal-stagger.revealed > *:nth-child(10) { transition-delay: 0.72s; }

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

/* ============================================================
   3. KEYFRAME ANIMATIONS
   ============================================================ */

/* Gentle float (for hero images/elements) */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

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

/* Pulse (for CTA attention) */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Subtle glow ring (for primary CTA) — uses Orange */
@keyframes glow-ring {
    0% {
        box-shadow: 0 0 0 0 rgba(225, 109, 16, 0.4);
    }
    70% {
        box-shadow: 0 0 0 12px rgba(225, 109, 16, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(225, 109, 16, 0);
    }
}

.animate-glow {
    animation: glow-ring 2.5s ease-in-out infinite;
}

/* Spin (for loading states) */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Slide in from top (for dropdowns) */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-slide-down {
    animation: slideDown 0.25s ease forwards;
}

/* Slide in from right (for mobile menu) */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

.animate-slide-in-right {
    animation: slideInRight 0.35s ease forwards;
}

/* Slide out to right (for mobile menu close) */
@keyframes slideOutRight {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(100%);
    }
}

.animate-slide-out-right {
    animation: slideOutRight 0.3s ease forwards;
}

/* Fade in overlay (for mobile menu backdrop) */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fade-in {
    animation: fadeIn 0.3s ease forwards;
}

/* Fade out overlay */
@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.animate-fade-out {
    animation: fadeOut 0.3s ease forwards;
}

/* Draw line (for process steps) */
@keyframes drawLine {
    from { width: 0; }
    to { width: 100%; }
}

/* Count up shimmer effect */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Chevron rotation for accordion */
@keyframes rotateChevron {
    from { transform: rotate(0deg); }
    to { transform: rotate(180deg); }
}

.js-accordion.active .js-accordion-header svg {
    transform: rotate(180deg);
}

/* Infinite scroll for trust bar logos */
@keyframes scrollLeft {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.animate-scroll-left {
    animation: scrollLeft 30s linear infinite;
}

.animate-scroll-left:hover {
    animation-play-state: paused;
}

/* ============================================================
   4. HOVER TRANSITION UTILITIES
   ============================================================ */

/* Card hover effect (Pop up) */
.hover-lift {
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease, border-color 0.4s ease, background-color 0.4s ease;
    transform-origin: center center;
}

.hover-lift:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 40px -10px rgba(6, 24, 61, 0.15);
    border-color: var(--blue-lighter);
    z-index: 50 !important;
    position: relative;
}

/* Gentle scale on hover (Pop up) */
.hover-scale {
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.4s ease, box-shadow 0.4s ease;
}

.hover-scale:hover {
    transform: scale(1.04);
    opacity: 0.95;
    box-shadow: 0 15px 35px -5px rgba(6, 24, 61, 0.15);
    z-index: 50;
    position: relative;
}

/* Border color change on hover */
.hover-border {
    transition: border-color var(--transition-base);
}

.hover-border:hover {
    border-color: var(--blue-primary);
}

/* Grayscale to color (for client logos) */
.hover-color {
    filter: grayscale(100%);
    opacity: 0.6;
    transition: filter var(--transition-base), opacity var(--transition-base);
}

.hover-color:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* ============================================================
   5. REDUCED MOTION SUPPORT
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal-up,
    .reveal-fade,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    .reveal-stagger > * {
        opacity: 1;
        transform: none;
    }

    .animate-scroll-left {
        animation: none;
    }
}

/* ============================================================
   8. PAGE PRELOADER
   ============================================================ */
.page-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-white);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.preloader-logo {
    width: 180px;
    height: auto;
    animation: pulse 1.5s infinite ease-in-out;
}

/* Preloader Fast Truck */
@keyframes fastTruck {
    0% { transform: translateX(-40px); opacity: 0; }
    15% { opacity: 1; }
    85% { opacity: 1; }
    100% { transform: translateX(220px); opacity: 0; }
}
.animate-fast-truck {
    animation: fastTruck 1.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes fastLine {
    0% { transform: translateX(-40px); }
    100% { transform: translateX(220px); }
}
.animate-fast-line {
    animation: fastLine 1.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}