/* ============================================
   FWsolutions — Animations & Transitions
   ============================================ */

/* ---------- KEYFRAMES ---------- */

/* Floating orbs */
@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25%      { transform: translate(-30px, 40px) scale(1.05); }
    50%      { transform: translate(20px, -20px) scale(0.95); }
    75%      { transform: translate(-10px, -30px) scale(1.02); }
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(40px, -30px) scale(1.08); }
    66%      { transform: translate(-20px, 20px) scale(0.96); }
}

@keyframes orbFloat3 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.4; }
    50%      { transform: translate(30px, 30px) scale(1.1); opacity: 0.3; }
}

/* Floating cards */
@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-12px); }
}

/* Scroll indicator wheel */
@keyframes scrollWheel {
    0%   { opacity: 1; top: 6px; }
    100% { opacity: 0; top: 18px; }
}

/* Fade in from below */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade in from left */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Pulse glow for interactive elements */
@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.15); }
    50%      { box-shadow: 0 0 40px rgba(59, 130, 246, 0.25); }
}

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

/* Typing cursor blink */
@keyframes cursorBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* ---------- REVEAL ON SCROLL ---------- */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition:
        opacity 0.8s var(--ease-out),
        transform 0.8s var(--ease-out);
    will-change: opacity, transform;
}

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

/* Staggered delays */
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }
.reveal--delay-5 { transition-delay: 0.5s; }

/* ---------- HOVER MICRO-INTERACTIONS ---------- */

/* Button ripple effect */
.btn--primary::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(
        135deg,
        rgba(255,255,255,0.2) 0%,
        transparent 50%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn--primary:hover::after {
    opacity: 1;
}

/* Link underline animation */
.service-card__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--clr-primary-light);
    transition: width var(--transition-fast);
}

.service-card__link {
    position: relative;
}

.service-card__link:hover::after {
    width: 100%;
}

/* Nav link hover underline */
.nav-link::before {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover::before {
    width: 24px;
}

.nav-link.active::before {
    display: none;
}

/* ---------- LOADING / SKELETON SHIMMER ---------- */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--clr-surface) 25%,
        var(--clr-surface-2) 50%,
        var(--clr-surface) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

/* ---------- CODE BLOCK TYPING EFFECT ---------- */
.hero__code-block .code-block__body code {
    overflow: hidden;
}

/* ---------- SMOOTH NUMBER COUNTER ---------- */
.counter {
    font-variant-numeric: tabular-nums;
}

/* ---------- REDUCED MOTION ---------- */
@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;
    }

    .hero__orb {
        animation: none !important;
    }

    .hero__floating-card {
        animation: none !important;
    }

    html {
        scroll-behavior: auto;
    }
}