/* Google Fonts - Space Grotesk & JetBrains Mono */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* Modern Professional Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    scroll-behavior: smooth;
    background: #020617;
    color: #f1f5f9;
    overflow-x: hidden;
}

/* Scroll Progress Indicator */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #06b6d4, #3b82f6, #8b5cf6);
    z-index: 9999;
    transition: width 0.1s ease-out;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.6);
}

/* Animated Background Blobs */
@keyframes blob {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -50px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.9); }
    75% { transform: translate(50px, 50px) scale(1.05); }
}

.animate-blob {
    animation: blob 15s infinite;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

.animation-delay-4000 {
    animation-delay: 4s;
}

/* Advanced Photo Animations */
@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes reverse-spin {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

@keyframes gradient-rotate {
    0% { transform: rotate(0deg) scale(1.1); }
    50% { transform: rotate(180deg) scale(1.15); }
    100% { transform: rotate(360deg) scale(1.1); }
}

@keyframes gradient-rotate-reverse {
    0% { transform: rotate(360deg) scale(1.05); }
    50% { transform: rotate(180deg) scale(1.1); }
    100% { transform: rotate(0deg) scale(1.05); }
}

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

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-8px) rotate(3deg); }
    50% { transform: translateY(-12px) rotate(0deg); }
    75% { transform: translateY(-8px) rotate(-3deg); }
}

.animate-spin-slow {
    animation: spin-slow 20s linear infinite;
}

.animate-reverse-spin {
    animation: reverse-spin 15s linear infinite;
}

.animate-gradient-rotate {
    animation: gradient-rotate 12s ease-in-out infinite;
}

.animate-gradient-rotate-reverse {
    animation: gradient-rotate-reverse 10s ease-in-out infinite;
}

.animate-shimmer {
    animation: shimmer 3s infinite;
}

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

.animate-bounce-subtle {
    animation: bounce-subtle 3s ease-in-out infinite;
}

/* Navigation Styles */
#main-nav {
    animation: slideDown 0.5s ease-out forwards;
}

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

/* Glassmorphism */
.glass-effect {
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* Scroll to Top Button */
#scroll-to-top {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#scroll-to-top:hover {
    transform: translateY(-4px);
}

/* Typography Gradients */
.text-gradient {
    background: linear-gradient(135deg, #06b6d4, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Card Styles */
.project-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(51, 65, 85, 0.8);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(6, 182, 212, 0.1), transparent);
    transition: left 0.6s ease;
}

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

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(6, 182, 212, 0.5);
    box-shadow: 0 20px 40px -12px rgba(6, 182, 212, 0.3);
}

/* Technology Tags */
.project-card span {
    background: rgba(6, 182, 212, 0.1);
    color: #06b6d4;
    border: 1px solid rgba(6, 182, 212, 0.3);
    transition: all 0.2s ease;
}

.project-card span:hover {
    background: rgba(6, 182, 212, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

/* Button Styles */
.btn-primary {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

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

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

/* Skill Cards */
.skill-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-card:hover {
    transform: translateY(-5px) rotate(2deg);
}

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

.animate-fade-in {
    animation: fadeInUp 0.8s ease-out;
}

/* Staggered Animations for Project Cards */
.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }
.project-card:nth-child(6) { animation-delay: 0.6s; }
.project-card:nth-child(7) { animation-delay: 0.7s; }
.project-card:nth-child(8) { animation-delay: 0.8s; }
.project-card:nth-child(9) { animation-delay: 0.9s; }

/* Responsive Design */
@media (max-width: 768px) {
    .text-5xl { font-size: 2.5rem; }
    .text-7xl { font-size: 3rem; }
}

/* Smooth Transitions */
* {
    transition-property: background-color, border-color, color, fill, stroke, opacity, box-shadow, transform;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

/* Link Styles */
a {
    text-decoration: none;
    color: inherit;
}

/* Selection Styles */
::selection {
    background: rgba(6, 182, 212, 0.3);
    color: #fff;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #1e293b;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #06b6d4, #3b82f6);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #0891b2, #2563eb);
}

/* Image Loading */
img {
    max-width: 100%;
    height: auto;
    transition: opacity 0.3s ease;
}

/* Ensure Lucide icons are rendered */
[data-lucide] {
    display: inline-block;
    vertical-align: middle;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideDownFadeIn {
    from { opacity: 0; transform: translateY(-50px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Enhanced Animations */
@keyframes slideInLeft {
    from { 
        opacity: 0; 
        transform: translateX(-50px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

@keyframes slideInRight {
    from { 
        opacity: 0; 
        transform: translateX(50px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

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

@keyframes float {
    0%, 100% { 
        transform: translateY(0px); 
    }
    50% { 
        transform: translateY(-15px); 
    }
}

@keyframes rotate {
    from { 
        transform: rotate(0deg); 
    }
    to { 
        transform: rotate(360deg); 
    }
}

@keyframes shake {
    0%, 100% { 
        transform: translateX(0); 
    }
    25% { 
        transform: translateX(-5px); 
    }
    75% { 
        transform: translateX(5px); 
    }
}

@keyframes glow {
    0%, 100% { 
        box-shadow: 0 0 5px rgba(168, 85, 247, 0.4); 
    }
    50% { 
        box-shadow: 0 0 20px rgba(168, 85, 247, 0.8); 
    }
}

/* Animation Classes */
.animate-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.animate-bounce-subtle {
    animation: bounce 2s infinite ease-in-out;
}

.nav-slide-in {
    animation: slideDownFadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.animate-slide-left {
    animation: slideInLeft 0.8s ease-out forwards;
}

.animate-slide-right {
    animation: slideInRight 0.8s ease-out forwards;
}

.animate-pulse {
    animation: pulse 2s infinite ease-in-out;
}

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

.animate-rotate {
    animation: rotate 2s linear infinite;
}

.animate-glow {
    animation: glow 2s infinite ease-in-out;
}

/* Specific delays for sections */
#home .text-center { transition-delay: 0.1s; }
#about { transition-delay: 0.2s; }
#skills { transition-delay: 0.3s; }
#projects { transition-delay: 0.4s; }
#education { transition-delay: 0.5s; }
#contact { transition-delay: 0.6s; }

/* Project card, skill card, and education card hover effects */
.project-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.1), transparent);
    transition: left 0.6s ease;
}

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

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 35px -5px rgba(147, 51, 234, 0.3), 0 10px 25px -5px rgba(147, 51, 234, 0.15);
    border-color: rgba(168, 85, 247, 0.3);
}

.skill-card {
    transition: all 0.3s ease-in-out;
}

.skill-card:hover {
    transform: translateY(-5px) rotate(2deg);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.education-card {
    transition: all 0.3s ease-in-out;
}

.education-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 30px -5px rgba(147, 51, 234, 0.2), 0 10px 20px -5px rgba(147, 51, 234, 0.1);
}

/* Project Grid Responsive Enhancements */
@media (max-width: 768px) {
    #projects .grid {
        grid-template-columns: 1fr !important;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    #projects .grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* Staggered Animation for Project Cards */
.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.15s; }
.project-card:nth-child(3) { animation-delay: 0.2s; }
.project-card:nth-child(4) { animation-delay: 0.25s; }
.project-card:nth-child(5) { animation-delay: 0.3s; }
.project-card:nth-child(6) { animation-delay: 0.35s; }
.project-card:nth-child(7) { animation-delay: 0.4s; }
.project-card:nth-child(8) { animation-delay: 0.45s; }
.project-card:nth-child(9) { animation-delay: 0.5s; }
.project-card:nth-child(10) { animation-delay: 0.55s; }
.project-card:nth-child(11) { animation-delay: 0.6s; }
.project-card:nth-child(12) { animation-delay: 0.65s; }
.project-card:nth-child(13) { animation-delay: 0.7s; }
.project-card:nth-child(14) { animation-delay: 0.75s; }
.project-card:nth-child(15) { animation-delay: 0.8s; }

/* Hover Animations */
.hover-scale:hover {
    transform: scale(1.05);
    transition: transform 0.3s ease-in-out;
}

.hover-rotate:hover {
    transform: rotate(5deg);
    transition: transform 0.3s ease-in-out;
}

.hover-bounce:hover {
    animation: bounce 0.6s ease-in-out;
}

.hover-shake:hover {
    animation: shake 0.5s ease-in-out;
}

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

/* Text Animations */
@keyframes typewriter {
    from { 
        width: 0; 
    }
    to { 
        width: 100%; 
    }
}

@keyframes blink {
    0%, 50% { 
        border-color: transparent; 
    }
    51%, 100% { 
        border-color: #9333ea; 
    }
}

.typewriter {
    overflow: hidden;
    border-right: 2px solid #9333ea;
    white-space: nowrap;
    animation: typewriter 3s steps(30) 1s forwards, blink 1s infinite;
}

/* Card Animations */
.card-hover {
    transition: all 0.3s ease-in-out;
}

.card-hover:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

.btn-animate::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease-in-out;
}

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

.btn-animate:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Loading Animation */
@keyframes spin {
    to { 
        transform: rotate(360deg); 
    }
}

.loading-spinner {
    animation: spin 1s linear infinite;
}

/* Gradient Animation */
@keyframes gradientShift {
    0% { 
        background-position: 0% 50%; 
    }
    50% { 
        background-position: 100% 50%; 
    }
    100% { 
        background-position: 0% 50%; 
    }
}

.animate-gradient {
    background: linear-gradient(-45deg, #9333ea, #3b82f6, #06b6d4, #10b981);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* Skill Bar Animation */
@keyframes fillBar {
    from { 
        width: 0%; 
    }
}

.skill-bar {
    width: 100%;
    height: 8px;
    background-color: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, #9333ea, #3b82f6);
    border-radius: 4px;
    animation: fillBar 2s ease-out forwards;
}

/* Technology Badge Hover Effect */
.project-card span {
    transition: all 0.2s ease-in-out;
}

.project-card span:hover {
    transform: scale(1.1);
    background-color: rgba(168, 85, 247, 0.2);
    box-shadow: 0 2px 8px rgba(168, 85, 247, 0.3);
}

/* GitHub and Demo Button Enhancements */
.project-card a {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.project-card a::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.project-card a:hover::after {
    width: 300px;
    height: 300px;
}

/* Card Content Fade-in on Scroll */
@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-card.is-visible {
    animation: cardFadeIn 0.6s ease-out forwards;
}

/* Ripple Effect for Navigation */
.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(168, 85, 247, 0.5);
    transform: scale(0);
    animation: ripple 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(2);
        opacity: 0;
    }
}

/* Magnetic Effect Base */
.magnetic {
    transition: transform 0.2s ease-out;
}

/* Smooth Scrolling Enhancement */
html {
    scroll-behavior: smooth;
}

/* Loading State for Images */
img {
    transition: opacity 0.3s ease-in-out;
}

img:not([src]) {
    opacity: 0;
}

/* Project Title Underline Effect */
.project-card h3 {
    position: relative;
    display: inline-block;
    transition: color 0.3s ease;
}

.project-card h3::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background: linear-gradient(90deg, #9333ea, #3b82f6);
    transition: width 0.3s ease;
}

.project-card:hover h3::after {
    width: 100%;
}

/* Icon Rotation on Hover */
.project-card a i {
    transition: transform 0.3s ease;
}

.project-card a:hover i {
    transform: scale(1.2) rotate(10deg);
}

/* Glassmorphism Effect Enhancement */
.glass-effect {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Project Count Badge (optional) */
.project-count {
    display: inline-block;
    background: linear-gradient(135deg, #9333ea, #3b82f6);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 6px rgba(147, 51, 234, 0.3);
}

/* Mobile Menu Styles */
#mobile-menu {
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    z-index: 9999;
    will-change: transform;
    visibility: visible !important;
    display: block !important;
}

#mobile-menu-overlay {
    z-index: 9998;
    will-change: opacity;
}

/* Mobile logo trigger - always clickable */
#mobile-logo-trigger {
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(6, 182, 212, 0.3);
    transition: transform 0.15s ease;
    user-select: none;
    touch-action: manipulation;
}

#mobile-logo-trigger:hover .bg-gradient-to-br {
    animation: logo-pulse 2s ease-in-out infinite;
}

#mobile-logo-trigger:active {
    transform: scale(0.9);
}

@media (min-width: 768px) {
    #mobile-logo-trigger {
        pointer-events: none;
        cursor: default;
    }
}

/* Logo animations */
@keyframes logo-pulse {
    0%, 100% {
        opacity: 0.9;
        transform: rotate(6deg) scale(1);
    }
    50% {
        opacity: 1;
        transform: rotate(6deg) scale(1.05);
    }
}

/* Stylized monogram logo effects */
#mobile-logo-trigger svg path {
    transition: all 0.3s ease;
}

#mobile-logo-trigger:hover svg path {
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.8));
}

/* Ensure mobile menu items are visible */
.mobile-nav-item {
    visibility: visible !important;
    display: flex !important;
}

/* Mobile menu item active state */
.mobile-nav-item.active {
    background-color: rgba(6, 182, 212, 0.1);
    color: #22d3ee;
}

/* Prevent body scroll when mobile menu is open */
body.menu-open {
    overflow: hidden;
}

/* Smooth scrollbar */
#mobile-menu::-webkit-scrollbar {
    width: 4px;
}

#mobile-menu::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
}

#mobile-menu::-webkit-scrollbar-thumb {
    background: rgba(6, 182, 212, 0.3);
    border-radius: 2px;
}

#mobile-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(6, 182, 212, 0.5);
}