/* ============================================
   VESTLABS - Premium Animations
   ============================================ */

/* ==================== REVEAL ANIMATIONS ==================== */

/* Base reveal state */
.reveal-item,
.reveal-scale,
.reveal-slide-right,
.reveal-chars .char-wrapper {
    opacity: 0;
}

/* Fade up animation */
.reveal-item {
    transform: translateY(60px);
    transition: opacity 1s var(--ease-out-expo), 
                transform 1s var(--ease-out-expo);
}

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

/* Staggered delays */
.reveal-item[data-delay="0"] { transition-delay: 0s; }
.reveal-item[data-delay="1"] { transition-delay: 0.1s; }
.reveal-item[data-delay="2"] { transition-delay: 0.2s; }
.reveal-item[data-delay="3"] { transition-delay: 0.3s; }
.reveal-item[data-delay="4"] { transition-delay: 0.4s; }
.reveal-item[data-delay="5"] { transition-delay: 0.5s; }

/* Scale up animation */
.reveal-scale {
    transform: scale(0.9);
    transition: opacity 0.8s var(--ease-out-expo), 
                transform 0.8s var(--ease-out-expo);
}

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

.reveal-scale[data-delay="0"] { transition-delay: 0s; }
.reveal-scale[data-delay="1"] { transition-delay: 0.08s; }
.reveal-scale[data-delay="2"] { transition-delay: 0.16s; }
.reveal-scale[data-delay="3"] { transition-delay: 0.24s; }
.reveal-scale[data-delay="4"] { transition-delay: 0.32s; }
.reveal-scale[data-delay="5"] { transition-delay: 0.4s; }

/* Slide from right */
.reveal-slide-right {
    transform: translateX(-60px);
    transition: opacity 1s var(--ease-out-expo), 
                transform 1s var(--ease-out-expo);
}

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

/* Character reveal animation */
.reveal-chars .char-wrapper {
    transition: opacity 0.6s var(--ease-out-expo), 
                transform 0.6s var(--ease-out-expo);
    transform: translateY(100%);
}

.reveal-chars.visible .char-wrapper {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger each character */
.reveal-chars .char-wrapper:nth-child(1) { transition-delay: 0s; }
.reveal-chars .char-wrapper:nth-child(2) { transition-delay: 0.03s; }
.reveal-chars .char-wrapper:nth-child(3) { transition-delay: 0.06s; }
.reveal-chars .char-wrapper:nth-child(4) { transition-delay: 0.09s; }
.reveal-chars .char-wrapper:nth-child(5) { transition-delay: 0.12s; }
.reveal-chars .char-wrapper:nth-child(6) { transition-delay: 0.15s; }
.reveal-chars .char-wrapper:nth-child(7) { transition-delay: 0.18s; }
.reveal-chars .char-wrapper:nth-child(8) { transition-delay: 0.21s; }
.reveal-chars .char-wrapper:nth-child(9) { transition-delay: 0.24s; }
.reveal-chars .char-wrapper:nth-child(10) { transition-delay: 0.27s; }
.reveal-chars .char-wrapper:nth-child(11) { transition-delay: 0.3s; }

/* ==================== HOVER ANIMATIONS ==================== */

/* Link hover underline */
.nav-link::after {
    transition: width 0.4s var(--ease-out-expo);
}

/* Button shine effect */
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.6s var(--ease-out-expo);
}

.btn-primary:hover::before {
    left: 100%;
}

/* Service card glow tracking */
.service-card {
    --mouse-x: 50%;
    --mouse-y: 50%;
}

/* Card tilt effect - for JS */
.tilt-card {
    transform-style: preserve-3d;
    transition: transform 0.3s var(--ease-out-expo);
}

.tilt-card-inner {
    transform: translateZ(20px);
}

/* ==================== PARALLAX ==================== */

.parallax-element {
    transition: transform 0.1s linear;
    will-change: transform;
}

/* ==================== TEXT ANIMATIONS ==================== */

/* Split text animation */
.split-text .word {
    display: inline-block;
    overflow: hidden;
}

.split-text .word span {
    display: inline-block;
    transform: translateY(100%);
    transition: transform 0.8s var(--ease-out-expo);
}

.split-text.visible .word span {
    transform: translateY(0);
}

/* Typewriter effect */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--accent);
    white-space: nowrap;
    animation: typing 3s steps(30, end), blink 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    from, to { border-color: transparent; }
    50% { border-color: var(--accent); }
}

/* Gradient text animation */
.gradient-text {
    background: linear-gradient(
        90deg,
        var(--white),
        var(--accent),
        var(--white),
        var(--accent)
    );
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ==================== BACKGROUND ANIMATIONS ==================== */

/* Floating particles */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.3;
    animation: particleFloat 15s linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-10vh) translateX(100px) rotate(720deg);
        opacity: 0;
    }
}

/* Grid pulse animation */
.grid-animate {
    animation: gridPulse 4s ease-in-out infinite;
}

@keyframes gridPulse {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
}

/* ==================== LOADING STATES ==================== */

/* Skeleton loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--black-light) 25%,
        var(--black-lighter) 50%,
        var(--black-light) 75%
    );
    background-size: 200% 100%;
    animation: skeleton 1.5s ease infinite;
}

@keyframes skeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==================== MICRO INTERACTIONS ==================== */

/* Icon bounce */
.icon-bounce {
    transition: transform 0.3s var(--ease-out-expo);
}

.icon-bounce:hover {
    animation: iconBounce 0.6s var(--ease-out-expo);
}

@keyframes iconBounce {
    0%, 100% { transform: translateY(0); }
    25% { transform: translateY(-6px); }
    50% { transform: translateY(-3px); }
    75% { transform: translateY(-5px); }
}

/* Scale pop */
.scale-pop {
    transition: transform 0.3s var(--ease-out-expo);
}

.scale-pop:hover {
    transform: scale(1.05);
}

.scale-pop:active {
    transform: scale(0.98);
}

/* Rotate on hover */
.rotate-hover {
    transition: transform 0.4s var(--ease-out-expo);
}

.rotate-hover:hover {
    transform: rotate(90deg);
}

/* ==================== FORM ANIMATIONS ==================== */

/* Input focus line */
.form-input {
    position: relative;
}

.form-group::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.4s var(--ease-out-expo);
}

.form-group:focus-within::after {
    width: 100%;
}

/* Input shake on error */
.input-error {
    animation: inputShake 0.5s var(--ease-out-expo);
}

@keyframes inputShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-10px); }
    40% { transform: translateX(10px); }
    60% { transform: translateX(-10px); }
    80% { transform: translateX(10px); }
}

/* Success checkmark */
.success-check {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: checkDraw 0.5s var(--ease-out-expo) forwards;
}

@keyframes checkDraw {
    to { stroke-dashoffset: 0; }
}

/* ==================== SCROLL TRIGGERED ==================== */

/* Count up numbers - handled in JS */
.count-up {
    transition: none;
}

/* Progress bar fill */
.progress-fill {
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 1.5s var(--ease-out-expo);
}

.progress-fill.visible {
    transform: scaleX(1);
}

/* ==================== SPECIAL EFFECTS ==================== */

/* Glitch effect */
.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.glitch::before {
    animation: glitch-1 0.3s infinite linear alternate-reverse;
    color: #ff00ff;
    clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%);
}

.glitch::after {
    animation: glitch-2 0.3s infinite linear alternate-reverse;
    color: #00ffff;
    clip-path: polygon(0 67%, 100% 67%, 100% 100%, 0 100%);
}

@keyframes glitch-1 {
    0% { transform: translateX(0); }
    100% { transform: translateX(-5px); }
}

@keyframes glitch-2 {
    0% { transform: translateX(0); }
    100% { transform: translateX(5px); }
}

/* Neon glow */
.neon-glow {
    text-shadow: 
        0 0 10px var(--accent),
        0 0 20px var(--accent),
        0 0 40px var(--accent);
    animation: neonPulse 2s ease-in-out infinite;
}

@keyframes neonPulse {
    0%, 100% {
        text-shadow: 
            0 0 10px var(--accent),
            0 0 20px var(--accent),
            0 0 40px var(--accent);
    }
    50% {
        text-shadow: 
            0 0 5px var(--accent),
            0 0 10px var(--accent),
            0 0 20px var(--accent);
    }
}

/* Morphing blob */
.morph-blob {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: morphBlob 8s ease-in-out infinite;
}

@keyframes morphBlob {
    0%, 100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    25% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
    50% {
        border-radius: 50% 60% 30% 60% / 30% 60% 70% 40%;
    }
    75% {
        border-radius: 60% 40% 60% 30% / 70% 30% 50% 60%;
    }
}

/* Ripple effect */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::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 ease, height 0.6s ease, opacity 0.6s ease;
    opacity: 0;
}

.ripple:active::after {
    width: 200%;
    height: 200%;
    opacity: 1;
    transition: 0s;
}

/* ==================== STAGGER GROUPS ==================== */

.stagger-group > * {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-out-expo), 
                transform 0.6s var(--ease-out-expo);
}

.stagger-group.visible > *:nth-child(1) { transition-delay: 0s; opacity: 1; transform: translateY(0); }
.stagger-group.visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-group.visible > *:nth-child(3) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-group.visible > *:nth-child(4) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.stagger-group.visible > *:nth-child(5) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.stagger-group.visible > *:nth-child(6) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }

/* ==================== 3D TRANSFORMS ==================== */

/* Card flip */
.flip-card {
    perspective: 1000px;
}

.flip-card-inner {
    transition: transform 0.8s var(--ease-out-expo);
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* Perspective tilt */
.perspective-tilt {
    transition: transform 0.5s var(--ease-out-expo);
    transform-style: preserve-3d;
}

.perspective-tilt:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(-5deg) translateZ(20px);
}

/* ==================== SMOOTH SCROLL INDICATOR ==================== */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    z-index: 9999;
}

.scroll-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s linear;
}

/* ==================== ENTRANCE ANIMATIONS ==================== */

/* Fade in */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Fade in up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade in down */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade in left */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Fade in right */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scale in */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Rotate in */
@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg);
    }
    to {
        opacity: 1;
        transform: rotate(0);
    }
}

/* ==================== HERO SPECIFIC ==================== */

/* Hero title line animation */
.hero-title .line[data-delay="0"] { transition-delay: 0.3s; }
.hero-title .line[data-delay="1"] { transition-delay: 0.4s; }
.hero-title .line[data-delay="2"] { transition-delay: 0.5s; }

/* Fade up utility */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s var(--ease-out-expo), 
                transform 1s var(--ease-out-expo);
}

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

.fade-up[data-delay="3"] { transition-delay: 0.6s; }
.fade-up[data-delay="4"] { transition-delay: 0.7s; }
.fade-up[data-delay="5"] { transition-delay: 0.8s; }

/* ==================== MAGNETIC BUTTON ==================== */

.magnetic {
    transform-origin: center center;
    transition: transform 0.3s var(--ease-out-expo);
}

/* ==================== CUSTOM SCROLLBAR ANIMATION ==================== */

::-webkit-scrollbar-thumb {
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}