/* Animations CSS */

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

@keyframes blink {
    0%, 50% {
        border-right-color: var(--primary-color);
    }
    51%, 100% {
        border-right-color: transparent;
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

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

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

@keyframes progressFill {
    from {
        width: 0%;
    }
    to {
        width: var(--target-width, 100%);
    }
}

@keyframes numberCount {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px var(--primary-color);
    }
    50% {
        box-shadow: 0 0 20px var(--primary-color), 0 0 30px var(--primary-color);
    }
}

/* Fade In Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--ease-in-out);
}

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

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s var(--ease-in-out);
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s var(--ease-in-out);
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s var(--ease-in-out);
}

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

/* Header Animations */
.header {
    transform: translateY(-100%);
    animation: slideInDown 0.6s var(--ease-in-out) forwards;
}

.nav-link {
    position: relative;
    transition: color 0.3s var(--ease-in-out);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s var(--ease-in-out);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Hero Section Animations */
.hero-title {
    animation: fadeInUp 0.8s var(--ease-in-out) 0.2s both;
}

.hero-subtitle {
    animation: fadeInUp 0.8s var(--ease-in-out) 0.4s both;
}

.hero-stats {
    animation: fadeInUp 0.8s var(--ease-in-out) 0.6s both;
}

.hero-contact {
    animation: fadeInUp 0.8s var(--ease-in-out) 0.8s both;
}

.hero-cta {
    animation: fadeInUp 0.8s var(--ease-in-out) 1s both;
}

.profile-image {
    animation: scaleIn 0.8s var(--ease-in-out) 0.4s both;
}

.profile-image img {
    transition: transform 0.3s var(--ease-in-out);
}

.profile-image:hover img {
    transform: scale(1.05);
}

/* Typing Animation */
.typing-text {
    display: block;
    white-space: normal;
    border-right: 2px solid var(--primary-color);
    animation: blink 1s infinite;
    width: 100%;
    max-width: 100%;
    text-align: left;
    position: relative;
    word-spacing: normal;
    overflow: visible;
    min-width: 0;
    line-height: 1.2;
    word-break: break-word;
}

/* Desktop version - ensure proper line breaks */
@media (min-width: 1024px) {
    .typing-text {
        line-height: 1.3;
        text-align: left;
    }
}

/* Counter Animation */
.stat-number {
    display: inline-block;
    transition: all 0.3s var(--ease-in-out);
}

.stat-item:hover .stat-number {
    transform: scale(1.1);
    color: var(--accent-color);
}

/* Button Animations */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s var(--ease-in-out);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.6s var(--ease-in-out);
    transform: translate(-50%, -50%);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

/* Project Card Animations */
.project-card {
    transition: all 0.3s var(--ease-in-out);
    transform: translateY(0);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
    overflow: hidden;
}

.project-image img {
    transition: transform 0.3s var(--ease-in-out);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-status {
    animation: pulse 2s infinite;
}

.tech-tag {
    transition: all 0.3s var(--ease-in-out);
    transform: translateY(0);
}

.project-card:hover .tech-tag {
    transform: translateY(-2px);
}

/* Skill Bar Animations */
.skill-progress {
    position: relative;
    overflow: hidden;
    transition: width 1.5s var(--ease-in-out);
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    animation: shimmer 2s infinite;
}

.skill-item:hover .skill-progress {
    box-shadow: 0 0 10px rgba(0, 102, 204, 0.5);
}

.skill-category {
    transition: transform 0.3s var(--ease-in-out);
}

.skill-category:hover {
    transform: translateY(-4px);
}

/* Contact Section Animations */
.contact-method {
    transition: all 0.3s var(--ease-in-out);
    border-radius: 8px;
    padding: var(--spacing-sm);
    margin: -var(--spacing-sm);
}

.contact-method:hover {
    background: rgba(0, 102, 204, 0.05);
    transform: translateX(10px);
}

.quick-link {
    transition: all 0.3s var(--ease-in-out);
    position: relative;
}

.quick-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s var(--ease-in-out);
    z-index: -1;
    border-radius: 8px;
}

.quick-link:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.quick-link:hover {
    color: white;
    transform: translateY(-2px);
}

/* Form Animations */
.form-group {
    position: relative;
}

.form-group input,
.form-group select,
.form-group textarea {
    transition: all 0.3s var(--ease-in-out);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.15);
}

.field-error {
    animation: fadeInUp 0.3s var(--ease-in-out);
}

/* Loading Animations */
.loading {
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Mobile Menu Animations */
.nav-toggle span {
    transition: all 0.3s var(--ease-in-out);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.nav-menu {
    transform: translateY(-20px);
    opacity: 0;
    transition: all 0.3s var(--ease-in-out);
    pointer-events: none;
}

.nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

.nav-menu .nav-link {
    transform: translateX(-20px);
    opacity: 0;
    transition: all 0.3s var(--ease-in-out);
}

.nav-menu.active .nav-link {
    transform: translateX(0);
    opacity: 1;
}

.nav-menu.active .nav-link:nth-child(1) { transition-delay: 0.1s; }
.nav-menu.active .nav-link:nth-child(2) { transition-delay: 0.2s; }
.nav-menu.active .nav-link:nth-child(3) { transition-delay: 0.3s; }
.nav-menu.active .nav-link:nth-child(4) { transition-delay: 0.4s; }

/* Language Switcher Animations */
.lang-btn {
    transition: all 0.3s var(--ease-in-out);
    position: relative;
}

.lang-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s var(--ease-in-out);
    transform: translateX(-50%);
}

.lang-btn:hover::after {
    width: 100%;
}

.lang-btn.active {
    animation: pulse 0.6s var(--ease-in-out);
}

/* Notification Animations */
.notification {
    animation: slideInFromRight 0.3s var(--ease-in-out);
}

@keyframes slideInFromRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s var(--ease-in-out);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Delayed Animations */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* Hover Effects */
.hover-grow {
    transition: transform 0.3s var(--ease-in-out);
}

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

.hover-float {
    transition: transform 0.3s var(--ease-in-out);
}

.hover-float:hover {
    animation: float 2s ease-in-out infinite;
}

.hover-glow {
    transition: all 0.3s var(--ease-in-out);
}

.hover-glow:hover {
    animation: glow 1s ease-in-out infinite alternate;
}

/* Performance Optimizations */
.will-animate {
    will-change: transform, opacity;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* 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;
    }
    
    .typing-text {
        animation: none;
        border-right: none;
        width: 100%;
        white-space: normal;
    }
    
    .fade-in,
    .fade-in-left,
    .fade-in-right,
    .scale-in {
        opacity: 1;
        transform: none;
    }
}