/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0b1120;
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #06b6d4, #10b981);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #0891b2, #059669);
}

/* Premium Color Palette */
:root {
    --bg-primary: #0b1120;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-indigo: #6366f1;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-orange: #f97316;
    --border-light: rgba(255, 255, 255, 0.1);
    --border-medium: rgba(255, 255, 255, 0.2);
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.2);
    --shadow-heavy: rgba(0, 0, 0, 0.4);
}

/* Best Font Stack */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-secondary);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', 'Inter', sans-serif;
    font-weight: 700;
    color: var(--text-primary);
}

code, pre {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-weight: 400;
}

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

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

@keyframes bounce-in {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes slide-in-left {
    from { transform: translateX(-100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slide-in-right {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 20px var(--accent-cyan); }
    50% { box-shadow: 0 0 40px var(--accent-cyan), 0 0 60px var(--accent-cyan); }
}

@keyframes text-reveal {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* Utility Classes for Best Animations */
.animate-morph {
    animation: morph 8s ease-in-out infinite;
}

.animate-shimmer {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

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

.animate-slide-in-left {
    animation: slide-in-left 0.6s ease-out;
}

.animate-slide-in-right {
    animation: slide-in-right 0.6s ease-out;
}

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

.animate-text-reveal {
    animation: text-reveal 0.8s ease-out;
}

/* Enhanced Glassmorphism */
.glass-premium {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    box-shadow: 0 8px 32px var(--shadow-heavy);
}

/* Gradient Backgrounds */
.gradient-bg-primary {
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-emerald), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-emerald));
    color: var(--text-primary);
    border: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-cyan);
    border: 2px solid var(--accent-cyan);
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--accent-cyan);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* Card Styles */
.card-premium {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px var(--shadow-medium);
}

.card-premium:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--shadow-heavy);
    border-color: var(--accent-cyan);
}

/* New Tech Grid Pattern Overlay */
.bg-grid {
    background-size: 50px 50px;
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    mask-image: radial-gradient(circle at center, black, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black, transparent 80%);
}

/* Premium Glassmorphism Utilities */
.glass-panel {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.glass-nav {
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Vibrant Hover Glows */
.hover-glow:hover {
    border-color: rgba(6, 182, 212, 0.3); /* Cyan border */
    box-shadow: 0 15px 40px -10px rgba(6, 182, 212, 0.2);
    transform: translateY(-4px) rotateX(2deg);
}

/* Floating Animation for Hero Badges */
.floating-badge {
    animation: floating 4s ease-in-out infinite;
}
@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0px); }
}

/* Background Blob Animations */
@keyframes blob {
    0% { transform: translate(0px, 0px) scale(1); }
    33% { transform: translate(40px, -50px) scale(1.1); }
    66% { transform: translate(-30px, 30px) scale(0.9); }
    100% { transform: translate(0px, 0px) scale(1); }
}
.animate-blob {
    animation: blob 15s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}
.animation-delay-2000 { animation-delay: 2s; }
.animation-delay-4000 { animation-delay: 4s; }

/* Gradient Text Animation */
.animate-gradient {
    background-size: 200% auto;
    animation: gradientShift 6s ease infinite;
}
@keyframes gradientShift {
    0% { background-position: 0% center; }
    50% { background-position: 100% center; }
    100% { background-position: 0% center; }
}

/* 3D Project Cards Setup */
.perspective-1000 {
    perspective: 1000px;
}

.project-card {
    transform-style: preserve-3d;
}

.card-content {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    will-change: transform;
}

.card-content:hover {
    transform: rotateY(5deg) rotateX(5deg);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* View Project Button 3D Effect */
.view-btn {
    transition: transform 0.1s ease, box-shadow 0.1s ease;
    transform-style: preserve-3d;
}

.view-btn:active {
    transform: translateY(2px) scale(0.98);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
}

/* Image Modal (Lightbox) */
#image-modal {
    display: none;
}
#image-modal.open {
    display: flex;
}
#image-modal img {
    max-height: 80vh;
    object-fit: contain;
}
#modal-backdrop {
    backdrop-filter: blur(18px);
}

/* QR Code card animation */

/* Enhanced Pulse Animation */
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(6, 182, 212, 0.3); }
    50% { box-shadow: 0 0 40px rgba(6, 182, 212, 0.6); }
}

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

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

.rainbow-bg {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: rainbow 15s ease infinite;
}

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

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

/* Button Hover Scale with Color Shift */
.btn-enhanced:hover {
    transform: scale(1.05);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(16, 185, 129, 0.2));
    border-color: rgba(6, 182, 212, 0.5);
}

/* Dynamic Color Scheme */
:root {
    --primary-cyan: #06b6d4;
    --primary-emerald: #10b981;
    --primary-indigo: #6366f1;
    --accent-orange: #f97316;
    --accent-green: #22c55e;
    --accent-blue: #3b82f6;
}

/* Enhanced Glass Effect with Color Tint */
.glass-enhanced {
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Typing Animation for Text */
@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

.typing-effect {
    overflow: hidden;
    border-right: 2px solid;
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: currentColor; }
}