/* ==========================================
   ADVANCED ANIMATIONS & SMOOTH EFFECTS
   ========================================== */

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a0a2e 50%, #0f0a1a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-content {
    text-align: center;
}

.loading-logo {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
}

.logo-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse-scale 2s ease-in-out infinite;
}

.loading-ring {
    width: 120px;
    height: 120px;
    border: 4px solid transparent;
    border-top-color: var(--color-primary);
    border-right-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
}

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

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

@keyframes pulse-scale {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.loading-bar-container {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto 1rem;
}

.loading-bar {
    height: 100%;
    background: var(--gradient-primary);
    width: 0;
    animation: loadProgress 2s ease-out forwards;
    box-shadow: 0 0 10px var(--color-primary);
}

@keyframes loadProgress {
    0% {
        width: 0%;
    }

    100% {
        width: 100%;
    }
}

.loading-text {
    color: var(--color-text-secondary);
    font-size: 1rem;
    animation: fadeInOut 2s ease-in-out infinite;
}

@keyframes fadeInOut {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

/* Typing Animation */
.typed-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cursor {
    display: inline-block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: blink 0.7s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

/* Enhanced Button Animations */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn i {
    transition: transform 0.3s ease;
}

.btn:hover i {
    transform: translateX(5px);
}

/* 3D Card Hover Effects */
.glass-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.glass-card:hover {
    transform: translateY(-10px) rotateX(2deg) rotateY(2deg);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 30px var(--color-primary);
}

.skill-card:hover,
.service-card:hover,
.project-card:hover,
.testimonial-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 30px rgba(170, 100, 255, 0.4);
}

/* Skill Progress Bars */
.skill-card {
    position: relative;
    overflow: visible;
}

.skill-progress {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 0.5rem;
    position: relative;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    width: 0;
    transition: width 2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px var(--color-primary);
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.skill-card.visible .progress-bar {
    width: var(--progress-width);
}

/* Smooth Section Transitions */
section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Parallax Background Layers */
.parallax-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: transform 0.1s ease-out;
}

/* Stagger Animation for Grid Items */
.skills-grid>*,
.projects-grid>*,
.services-grid>*,
.education-grid>* {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.skills-grid.visible>*,
.projects-grid.visible>*,
.services-grid.visible>*,
.education-grid.visible>* {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays */
.skills-grid>*:nth-child(1) {
    transition-delay: 0.1s;
}

.skills-grid>*:nth-child(2) {
    transition-delay: 0.2s;
}

.skills-grid>*:nth-child(3) {
    transition-delay: 0.3s;
}

.skills-grid>*:nth-child(4) {
    transition-delay: 0.4s;
}

.skills-grid>*:nth-child(5) {
    transition-delay: 0.5s;
}

.skills-grid>*:nth-child(6) {
    transition-delay: 0.6s;
}

.projects-grid>*:nth-child(1),
.services-grid>*:nth-child(1) {
    transition-delay: 0.1s;
}

.projects-grid>*:nth-child(2),
.services-grid>*:nth-child(2) {
    transition-delay: 0.2s;
}

.projects-grid>*:nth-child(3),
.services-grid>*:nth-child(3) {
    transition-delay: 0.3s;
}

.projects-grid>*:nth-child(4),
.services-grid>*:nth-child(4) {
    transition-delay: 0.4s;
}

.projects-grid>*:nth-child(5),
.services-grid>*:nth-child(5) {
    transition-delay: 0.5s;
}

.projects-grid>*:nth-child(6),
.services-grid>*:nth-child(6) {
    transition-delay: 0.6s;
}

/* Timeline Animation */
.timeline-item {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-item:nth-child(even) {
    transform: translateX(50px);
}

.timeline-item:nth-child(even).visible {
    transform: translateX(0);
}

/* Stats Counter Enhanced Animation */
.stat-item {
    transform: scale(0.8);
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.stat-item:nth-child(1) {
    transition-delay: 0.1s;
}

.stat-item:nth-child(2) {
    transition-delay: 0.2s;
}

.stat-item:nth-child(3) {
    transition-delay: 0.3s;
}

.stat-item:nth-child(4) {
    transition-delay: 0.4s;
}

/* Enhanced Form Animations */
.form-group {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-form.visible .form-group {
    opacity: 1;
    transform: translateY(0);
}

.contact-form.visible .form-group:nth-child(1) {
    transition-delay: 0.1s;
}

.contact-form.visible .form-group:nth-child(2) {
    transition-delay: 0.2s;
}

.contact-form.visible .form-group:nth-child(3) {
    transition-delay: 0.3s;
}

.contact-form.visible .form-group:nth-child(4) {
    transition-delay: 0.4s;
}

/* Smooth Scroll Behavior */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

/* Reduce Motion for Accessibility */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Ultra-smooth transitions */
* {
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Image Reveal Animation */
.project-image {
    position: relative;
    overflow: hidden;
}

.project-image::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 ease;
}

.project-card:hover .project-image::before {
    left: 100%;
}

/* Social Links Hover */
.social-link {
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--gradient-primary);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
    z-index: -1;
}

.social-link:hover::before {
    width: 100%;
    height: 100%;
}

/* Enhanced Text Reveal */
.reveal-text {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Floating Animation Variants */
@keyframes float-slow {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes float-medium {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }
}

@keyframes float-fast {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

.float-slow {
    animation: float-slow 4s ease-in-out infinite;
}

.float-medium {
    animation: float-medium 3s ease-in-out infinite;
}

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