/**
 * North Head Digital - Animation Styles
 * All keyframe animations, transitions, and motion effects
 */

/* ===== LOGO ANIMATIONS ===== */

@keyframes pulse {
    0%, 100% { 
        transform: scale(1); 
    }
    50% { 
        transform: scale(1.1); 
    }
}

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

@keyframes meshMove {
    0%, 100% { 
        transform: translate(0, 0); 
    }
    25% { 
        transform: translate(-5%, -5%); 
    }
    50% { 
        transform: translate(5%, -5%); 
    }
    75% { 
        transform: translate(-5%, 5%); 
    }
}

@keyframes float-particle {
    from {
        transform: translateY(100vh) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    to {
        transform: translateY(-100vh) translateX(100px) rotate(360deg);
        opacity: 0;
    }
}

/* ===== ORB ANIMATIONS ===== */

@keyframes orbFloat {
    0%, 100% { 
        transform: translate(0, 0) scale(1);
    }
    33% { 
        transform: translate(50px, -50px) scale(1.1);
    }
    66% { 
        transform: translate(-30px, 30px) scale(0.9);
    }
}

@keyframes orbPulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

@keyframes floatElement {
    0% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.7;
    }
    90% {
        opacity: 0.7;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

/* ===== HERO VISUAL ANIMATIONS ===== */

@keyframes lineGlow {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

@keyframes circlePulse {
    0%, 100% {
        opacity: 0.4;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.2);
    }
}

@keyframes squareFloat {
    0%, 100% {
        transform: rotate(45deg) translateY(0px);
    }
    50% {
        transform: rotate(45deg) translateY(-20px);
    }
}

/* ===== CASE STUDY ANIMATIONS ===== */

@keyframes shimmer {
    0% { 
        transform: translateX(-100%) translateY(-100%) rotate(45deg); 
    }
    100% { 
        transform: translateX(100%) translateY(100%) rotate(45deg); 
    }
}

/* ===== CONTACT ANIMATIONS ===== */

@keyframes pulse-slow {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1); 
        opacity: 0.5; 
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.1); 
        opacity: 0.3; 
    }
}

@keyframes scan {
    0% { 
        transform: translateY(0); 
    }
    100% { 
        transform: translateY(350px); 
    }
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== LOADING ANIMATIONS ===== */

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

/* ===== GLOW EFFECTS ===== */

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.5),
                   0 0 40px rgba(102, 126, 234, 0.3),
                   0 0 60px rgba(102, 126, 234, 0.2);
    }
    50% {
        box-shadow: 0 0 30px rgba(102, 126, 234, 0.7),
                   0 0 60px rgba(102, 126, 234, 0.5),
                   0 0 90px rgba(102, 126, 234, 0.3);
    }
}

/* ===== ANIMATION UTILITY CLASSES ===== */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
}

.animate-on-scroll.visible {
    animation: fadeInUp 800ms var(--ease-out) forwards;
}

.slide-left {
    opacity: 0;
    transform: translateX(-60px);
}

.slide-left.visible {
    animation: slideInLeft 800ms var(--ease-out) forwards;
}

.slide-right {
    opacity: 0;
    transform: translateX(60px);
}

.slide-right.visible {
    animation: slideInRight 800ms var(--ease-out) forwards;
}

/* ===== PROGRESS STEP ANIMATIONS ===== */

.progress-step {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-step.visible {
    opacity: 1;
    transform: translateX(0);
}

.progress-step:nth-child(1) { transition-delay: 0.1s; }
.progress-step:nth-child(2) { transition-delay: 0.2s; }
.progress-step:nth-child(3) { transition-delay: 0.3s; }

/* ===== HERO ANIMATIONS ===== */

.hero h1 {
    margin-bottom: var(--space-xl);
    opacity: 0;
    animation: fadeInUp 1000ms ease forwards;
}

.hero-subtitle {
    font-size: clamp(20px, 3vw, 24px);
    color: var(--gray-400);
    margin: 0 auto var(--space-3xl) auto;
    max-width: 700px;
    opacity: 0;
    animation: fadeInUp 1000ms ease 200ms forwards;
    line-height: 1.6;
    text-align: center;
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1000ms ease 400ms forwards;
    justify-content: center;
}

/* ===== PARTICLE ANIMATIONS ===== */

.particle {
    position: absolute;
    background: var(--primary);
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.3;
    animation: float-particle 20s infinite linear;
}

/* ===== ORB ANIMATIONS ===== */

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    animation: orbFloat 30s infinite ease-in-out;
    opacity: 0.6;
    will-change: transform;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--gradient-primary);
    top: -300px;
    right: -200px;
    animation: orbFloat 25s infinite ease-in-out, orbPulse 8s infinite ease-in-out;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
    bottom: -200px;
    left: -100px;
    animation: orbFloat 35s infinite ease-in-out, orbPulse 12s infinite ease-in-out;
    animation-delay: 10s;
}

.orb-3 {
    width: 500px;
    height: 500px;
    background: var(--gradient-vibrant);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: orbFloat 30s infinite ease-in-out, orbPulse 10s infinite ease-in-out;
    animation-delay: 20s;
}

/* ===== FLOATING ELEMENTS ===== */

.floating-element {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    animation: floatElement 20s infinite linear;
    pointer-events: none;
}

.floating-element:nth-child(1) {
    width: 20px;
    height: 20px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    width: 15px;
    height: 15px;
    top: 60%;
    right: 15%;
    animation-delay: 5s;
}

.floating-element:nth-child(3) {
    width: 25px;
    height: 25px;
    top: 80%;
    left: 20%;
    animation-delay: 10s;
}

.floating-element:nth-child(4) {
    width: 18px;
    height: 18px;
    top: 30%;
    right: 30%;
    animation-delay: 15s;
}

/* ===== HERO VISUAL ELEMENTS ===== */

.hero-visual-1 {
    width: 2px;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--primary), transparent);
    top: 20%;
    left: 15%;
    animation: lineGlow 3s infinite ease-in-out;
}

.hero-visual-2 {
    width: 100px;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--secondary), transparent);
    top: 40%;
    right: 20%;
    animation: lineGlow 3s infinite ease-in-out 1.5s;
}

.hero-visual-3 {
    width: 60px;
    height: 60px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    top: 70%;
    left: 25%;
    animation: circlePulse 4s infinite ease-in-out;
}

.hero-visual-4 {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 8px;
    top: 30%;
    right: 35%;
    animation: squareFloat 6s infinite ease-in-out;
    transform: rotate(45deg);
}

/* ===== 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;
        scroll-behavior: auto !important;
    }
    
    .orb,
    .floating-element,
    .particle,
    .hero-visual {
        animation: none !important;
    }
}