/* ==========================================
   SCROLL ANIMATIONS & MICRO-INTERACTIONS
   ========================================== */

/* ===== FADE IN ANIMATIONS ===== */

/* Initial state for fade-in elements */
.fade-in {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in.delay-1 {
    animation-delay: 0.2s;
}

.fade-in.delay-2 {
    animation-delay: 0.4s;
}

.fade-in.delay-3 {
    animation-delay: 0.6s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* ===== SCROLL FADE ANIMATIONS ===== */

/* Initial hidden state */
.scroll-fade {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

/* Visible state (added by JavaScript) */
.scroll-fade.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays for grid items */
.services-grid .service-card:nth-child(1).visible {
    transition-delay: 0s;
}

.services-grid .service-card:nth-child(2).visible {
    transition-delay: 0.15s;
}

.services-grid .service-card:nth-child(3).visible {
    transition-delay: 0.3s;
}

.why-grid .why-card:nth-child(1).visible {
    transition-delay: 0s;
}

.why-grid .why-card:nth-child(2).visible {
    transition-delay: 0.15s;
}

.why-grid .why-card:nth-child(3).visible {
    transition-delay: 0.3s;
}

/* ===== GRADIENT ANIMATION ===== */

.hero-background::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
    animation: rotateGradient 20s linear infinite;
    pointer-events: none;
}

@keyframes rotateGradient {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* ===== HOVER GLOW EFFECT ===== */

.service-card,
.cta-button,
.newsletter-button {
    position: relative;
}

.service-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg,
            var(--color-neon-blue),
            var(--color-gold),
            var(--color-neon-blue));
    border-radius: var(--radius-2xl);
    opacity: 0;
    z-index: -1;
    filter: blur(10px);
    transition: opacity var(--transition-base);
}

.service-card:hover::after {
    opacity: 0.3;
}

/* ===== SMOOTH FOCUS STATES ===== */

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--color-neon-blue);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

/* ===== LOADING ANIMATION (Optional) ===== */

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ===== SLIDE IN FROM SIDES ===== */

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

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

/* ===== ICON ANIMATIONS ===== */

.service-icon svg,
.why-icon svg {
    transition: transform var(--transition-base);
}

.service-card:hover .service-icon svg {
    transform: scale(1.1) rotate(5deg);
}

.why-card:hover .why-icon svg {
    transform: scale(1.1);
}

/* ===== SHIMMER EFFECT ===== */

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

.gradient-text {
    background-size: 200% auto;
    animation: shimmer 3s linear infinite;
}

/* ===== ACCESSIBILITY: Respect Reduced Motion ===== */

@media (prefers-reduced-motion: reduce) {

    .fade-in,
    .scroll-fade,
    .hero-background::after,
    .gradient-text {
        animation: none !important;
        transition: none !important;
    }

    .scroll-fade {
        opacity: 1;
        transform: translateY(0);
    }

    .fade-in {
        opacity: 1;
    }
}