* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563EB;
    --primary-light: #3B82F6;
    --primary-dark: #1E40AF;
    --secondary-color: #059669;
    --secondary-light: #10B981;
    --accent-color: #EA580C;
    --accent-light: #F97316;
    
    --success-color: #059669;
    --warning-color: #D97706;
    --error-color: #DC2626;
    
    --neutral-50: #F9FAFB;
    --neutral-100: #F3F4F6;
    --neutral-200: #E5E7EB;
    --neutral-300: #D1D5DB;
    --neutral-400: #9CA3AF;
    --neutral-500: #6B7280;
    --neutral-600: #4B5563;
    --neutral-700: #374151;
    --neutral-800: #1F2937;
    --neutral-900: #111827;
    
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Theme colors - Light mode (default) */
    --bg-primary: #ffffff;
    --bg-secondary: var(--neutral-50);
    --bg-tertiary: var(--neutral-100);
    --text-primary: var(--neutral-900);
    --text-secondary: var(--neutral-600);
    --text-tertiary: var(--neutral-500);
    --border-color: var(--neutral-200);
    --card-bg: #ffffff;
    --nav-bg: rgba(255, 255, 255, 0.95);
    
    /* Contact section - always dark but different shades */
    --contact-bg: #1a202c;
    --contact-card-bg: #2d3748;
    --contact-border: #4a5568;
    --contact-text: #f7fafc;
    --contact-text-secondary: #e2e8f0;
    
    /* Footer - always dark but different shades */
    --footer-bg: #111827;
    --footer-border: #374151;
    --footer-text: #9ca3af;
}

/* Dark mode variables */
[data-theme="dark"] {
    --bg-primary: #0f1419;
    --bg-secondary: #1a202c;
    --bg-tertiary: #2d3748;
    --text-primary: #f7fafc;
    --text-secondary: #e2e8f0;
    --text-tertiary: #a0aec0;
    --border-color: #4a5568;
    --card-bg: #1a202c;
    --nav-bg: rgba(26, 32, 44, 0.95);
    --neutral-50: #2d3748;
    --neutral-100: #4a5568;
    --neutral-200: #718096;
    --neutral-600: #e2e8f0;
    --neutral-900: #f7fafc;
    
    /* Contact section - darker shade for dark mode */
    --contact-bg: #0f1419;
    --contact-card-bg: #1a1f2e;
    --contact-border: #2d3748;
    --contact-text: #f7fafc;
    --contact-text-secondary: #cbd5e0;
    
    /* Footer - darker shade for dark mode */
    --footer-bg: #0a0e14;
    --footer-border: #1f2937;
    --footer-text: #6b7280;
}

/* Horror mode - The Dark Side of the Moon */
[data-theme="horror"] {
    --primary-color: #dc2626;
    --primary-hover: #b91c1c;
    --secondary-color: #991b1b;
    --accent-color: #fca5a5;
    
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a0f0f;
    --bg-tertiary: #2d1414;
    --text-primary: #fef2f2;
    --text-secondary: #fecaca;
    --text-tertiary: #dc2626;
    --border-color: #7f1d1d;
    --card-bg: #1a0f0f;
    --nav-bg: rgba(26, 15, 15, 0.95);
    
    /* Neutral colors with red tints */
    --neutral-50: #2d1414;
    --neutral-100: #450a0a;
    --neutral-200: #7f1d1d;
    --neutral-600: #fecaca;
    --neutral-900: #fef2f2;
    
    /* Contact section - horror theme */
    --contact-bg: #0a0a0a;
    --contact-card-bg: #1f0f0f;
    --contact-border: #991b1b;
    --contact-text: #fef2f2;
    --contact-text-secondary: #fca5a5;
    
    /* Footer - horror theme */
    --footer-bg: #050505;
    --footer-border: #7f1d1d;
    --footer-text: #dc2626;
    
    /* Shadows with red glow */
    --shadow-sm: 0 1px 2px 0 rgba(220, 38, 38, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(220, 38, 38, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(220, 38, 38, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(220, 38, 38, 0.5);
    
    /* Gradient with red theme */
    --gradient-primary: linear-gradient(135deg, #dc2626 0%, #991b1b 50%, #7f1d1d 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.6s cubic-bezier(0.4, 0, 0.2, 1), color 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow-x: hidden;
}

/* Sweeping animation overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: linear-gradient(45deg, var(--bg-primary), var(--bg-secondary));
    z-index: 9999;
    transition: left 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

body.theme-transitioning::before {
    left: 0;
    animation: sweepOut 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s forwards;
}

@keyframes sweepOut {
    to {
        left: 100%;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 24px;
}

.nav-link {
    text-decoration: none;
    color: var(--neutral-600);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

/* Override nav-link styles for contact button to prevent conflicts */
.nav-link.contact-btn {
    position: relative;
    color: white !important;
}

.nav-link.contact-btn::after {
    display: none !important;
}

.nav-link.contact-btn:hover {
    color: white !important;
}

.contact-btn {
    background: var(--primary-color);
    color: white !important;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    border: 2px solid var(--primary-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    font-size: 14px;
    white-space: nowrap;
    display: inline-block;
    text-align: center;
}

/* Shimmer for contact button */
.contact-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.2) 40%,
        rgba(255, 255, 255, 0.4) 50%,
        rgba(255, 255, 255, 0.2) 60%,
        transparent 100%
    );
    transition: left 0.5s ease;
    z-index: 1;
}

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

.contact-btn > * {
    position: relative;
    z-index: 2;
}

/* Ensure shimmer respects border-radius */
.contact-btn::before {
    border-radius: inherit;
}

.contact-btn:hover,
.nav-link.contact-btn:hover {
    background: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
    color: white !important;
    transform: translateY(-1px);
}

.contact-btn::after {
    display: none;
}

/* Theme-specific contact button styles */
:root .contact-btn {
    border: 2px solid #000000 !important;
}

:root .contact-btn::before {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(0, 0, 0, 0.3) 40%,
        rgba(0, 0, 0, 0.5) 50%,
        rgba(0, 0, 0, 0.3) 60%,
        transparent 100%
    ) !important;
}

[data-theme="dark"] .contact-btn {
    border: 2px solid #ffffff !important;
}

[data-theme="dark"] .contact-btn::before {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 40%,
        rgba(255, 255, 255, 0.6) 50%,
        rgba(255, 255, 255, 0.3) 60%,
        transparent 100%
    ) !important;
}

[data-theme="horror"] .contact-btn {
    border: 2px solid #ffffff !important;
}

[data-theme="horror"] .contact-btn::before {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 40%,
        rgba(255, 255, 255, 0.6) 50%,
        rgba(255, 255, 255, 0.3) 60%,
        transparent 100%
    ) !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--neutral-700);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 24px 80px;
}

.hero-content {
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.stat {
    text-align: center;
    padding: 20px;
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.stat-number {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.hero-actions {
    display: flex;
    gap: 16px;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 16px;
    position: relative;
    overflow: hidden;
}

/* Shimmer animation for all buttons */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.2) 40%,
        rgba(255, 255, 255, 0.4) 50%,
        rgba(255, 255, 255, 0.2) 60%,
        transparent 100%
    );
    transition: left 0.5s ease;
    z-index: 1;
    border-radius: inherit;
}

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

/* Ensure button content stays above shimmer */
.btn > * {
    position: relative;
    z-index: 2;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-color);
}

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

.btn-accent {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.btn-accent:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 18px 36px;
    font-size: 18px;
}

/* Theme-specific button borders and shimmer effects */
/* Light mode - black borders and black shimmer */
:root .btn {
    border: 2px solid #000000 !important;
}

:root .btn::before {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(0, 0, 0, 0.3) 40%,
        rgba(0, 0, 0, 0.5) 50%,
        rgba(0, 0, 0, 0.3) 60%,
        transparent 100%
    ) !important;
}

/* Dark mode - white borders and white shimmer */
[data-theme="dark"] .btn {
    border: 2px solid #ffffff !important;
}

[data-theme="dark"] .btn::before {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 40%,
        rgba(255, 255, 255, 0.6) 50%,
        rgba(255, 255, 255, 0.3) 60%,
        transparent 100%
    ) !important;
}

/* Horror mode - white borders and white shimmer */
[data-theme="horror"] .btn {
    border: 2px solid #ffffff !important;
}

[data-theme="horror"] .btn::before {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 40%,
        rgba(255, 255, 255, 0.6) 50%,
        rgba(255, 255, 255, 0.3) 60%,
        transparent 100%
    ) !important;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 500px;
}

.hero-shape {
    width: 400px;
    height: 400px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 1;
    z-index:1;
    display: flex;           /* Added */
    align-items: center;     /* Added */
    justify-content: center; /* Added */
    animation: float 6s ease-in-out infinite;
}

.floating-card {
    position: absolute;
    background: white;
    padding: 16px 20px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--neutral-700);
    z-index: 10;
    animation: float 4s ease-in-out infinite;
}

.floating-card i {
    font-size: 20px;
    color: var(--primary-color);
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 60%;
    right: 10%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 2s;
}

/* Sections */
.section {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(40px) scale(0.9);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.section-title.animate {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s;
}

.section-subtitle.animate {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 24px;
    color: var(--text-secondary);
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.highlight {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
}

.highlight i {
    color: var(--primary-color);
    font-size: 18px;
    width: 24px;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: var(--neutral-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: var(--neutral-400);
}

/* Experience Section */
.experience-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 40px;
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 4px solid var(--bg-primary);
    box-shadow: var(--shadow);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 9px;
    top: 20px;
    width: 2px;
    height: calc(100% + 20px);
    background: var(--border-color);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-content {
    background: var(--card-bg);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.timeline-header {
    margin-bottom: 24px;
}

.position {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.company {
    font-size: 18px;
    color: var(--primary-color);
    font-weight: 600;
    margin-right: 16px;
}

.duration {
    font-size: 14px;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    padding: 4px 12px;
    border-radius: 20px;
}

.timeline-achievements {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.achievement {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    background: var(--neutral-50);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.achievement i {
    color: var(--primary-color);
    font-size: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

.achievement span {
    line-height: 1.6;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.projects-grid.animate .project-card {
    animation: slideInFromBottom 0.8s ease-out backwards;
}

.projects-grid.animate .project-card:nth-child(2) {
    animation-delay: 0.2s;
}

.projects-grid.animate .project-card:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes slideInFromBottom {
    0% {
        opacity: 0;
        transform: translateY(60px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.project-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.project-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.project-links {
    display: flex;
    gap: 12px;
}

.project-link {
    width: 40px;
    height: 40px;
    background: var(--neutral-100);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-600);
    text-decoration: none;
    transition: var(--transition);
}

.project-link:hover {
    background: var(--primary-color);
    color: white;
}

.project-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.skills-grid.animate .skill-category {
    animation: slideInFromBottom 0.8s ease-out backwards;
}

.skills-grid.animate .skill-category:nth-child(2) {
    animation-delay: 0.15s;
}

.skills-grid.animate .skill-category:nth-child(3) {
    animation-delay: 0.3s;
}

.skills-grid.animate .skill-category:nth-child(4) {
    animation-delay: 0.45s;
}

.skill-category {
    background: var(--card-bg);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.skill-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.category-title i {
    color: var(--primary-color);
    font-size: 20px;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-tag {
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.skill-tag:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Education Section */
.education-content {
    display: grid;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.education-card {
    display: flex;
    gap: 24px;
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.education-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    flex-shrink: 0;
}

.education-info {
    flex: 1;
}

.degree {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.field {
    font-size: 18px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
}

.institution {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.education-details {
    display: flex;
    gap: 32px;
    margin-bottom: 16px;
    font-size: 14px;
}

.gpa, .duration {
    color: var(--text-secondary);
}

.coursework {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.certifications, .publications {
    background: var(--card-bg);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.certifications-title, .publications-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.certifications-grid {
    display: grid;
    gap: 16px;
}

.certification-item, .publication-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--secondary-color);
}

.certification-item i, .publication-item i {
    color: var(--secondary-color);
    font-size: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

.certification-item h4, .publication-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.publication-item h4 a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.publication-item h4 a:hover {
    color: var(--primary-color);
}

.certification-item h4 a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.certification-item h4 a:hover {
    color: var(--primary-color);
}

.certification-item p, .publication-item p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Contact Section */
.contact-section {
    background: var(--contact-bg);
    color: var(--contact-text);
}

.contact-section .section-title {
    color: var(--contact-text);
}

.contact-section .section-subtitle {
    color: var(--contact-text-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-card, .cta-card {
    background: var(--contact-card-bg);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--contact-border);
}

.contact-card h3, .cta-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--contact-text);
}

.contact-card p {
    color: var(--contact-text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--contact-border);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--contact-text);
    transition: var(--transition);
}

.contact-item:hover {
    background: var(--contact-bg);
    transform: translateX(8px);
}

.contact-item i {
    color: var(--primary-light);
    width: 20px;
    text-align: center;
}

.cta-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.benefit {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.benefit i {
    color: var(--secondary-light);
    font-size: 16px;
    margin-top: 2px;
    flex-shrink: 0;
}

.benefit span {
    color: var(--neutral-300);
    font-size: 14px;
    line-height: 1.5;
}

/* Footer */
.footer {
    background: var(--footer-bg);
    padding: 40px 0;
    border-top: 1px solid var(--footer-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--footer-text);
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--footer-text);
    font-size: 20px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    transform: translateY(-2px);
}

/* Chatbot Widget */
.chatbot-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
}

.chatbot-toggle {
    position: relative;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    color: white;
    font-size: 24px;
}

.chatbot-toggle:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.chat-notification {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--border-radius);
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(10px);
    animation: slideInUp 0.5s ease-out 2s forwards;
    box-shadow: var(--shadow-lg);
}

.chat-notification::after {
    content: '';
    position: absolute;
    top: 100%;
    right: 20px;
    border: 8px solid transparent;
    border-top-color: var(--card-bg);
}

.chatbot-container {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 380px;
    height: 500px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    transform: scale(0);
    transform-origin: bottom right;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chatbot-container.open {
    transform: scale(1);
}

.chatbot-header {
    background: var(--primary-color);
    color: white;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chatbot-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.chatbot-close {
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
    transition: var(--transition);
}

.chatbot-close:hover {
    opacity: 0.7;
}

.chatbot-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--bg-primary);
}

.message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: var(--border-radius);
    line-height: 1.5;
}

.bot-message {
    align-self: flex-start;
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.user-message {
    align-self: flex-end;
    background: var(--primary-color);
    color: white;
}

.message-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quick-questions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.quick-question {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.quick-question:hover {
    background: var(--primary-dark);
}

.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: var(--neutral-100);
    border-radius: var(--border-radius);
    align-self: flex-start;
    max-width: 80px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--neutral-400);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

.chatbot-input {
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
}

.chatbot-input input {
    flex: 1;
    padding: 12px 16px;
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.chatbot-input input:focus {
    border-color: var(--primary-color);
}

.chatbot-input input::placeholder {
    color: var(--text-tertiary);
}

.send-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    min-width: 44px;
}

.send-btn:hover {
    background: var(--primary-dark);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container,
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 80px 24px 40px;
        justify-items: center;
        text-align: center;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-visual {
        min-height: 500px;
        height: auto;
        max-height: 600px;
    }
    
    .hero-shape {
        width: 450px;
        height: 450px;
        min-width: 450px;
        min-height: 450px;
        max-width: 450px;
        max-height: 450px;
    }
    
    .project-img2 {
        width: 450px;
        height: 450px;
        min-width: 450px;
        min-height: 450px;
        max-width: 450px;
        max-height: 450px;
    }
    
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .chatbot-container {
        width: 340px;
    }
}

/* Optimize navigation spacing for smaller screens */
@media (max-width: 1200px) {
    .nav-menu {
        gap: 20px;
    }
    
    .contact-btn {
        padding: 4px 16px 4px 8px;
        font-size: 11px;
        max-width: 95px;
    }
}

@media (max-width: 1024px) {
    .nav-menu {
        gap: 16px;
    }
    
    .nav-link {
        font-size: 14px;
    }
    
    .contact-btn {
        padding: 4px 12px 4px 6px;
        font-size: 10px;
        max-width: 80px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100vw;
        background: var(--card-bg);
        backdrop-filter: blur(20px);
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--border-color);
        z-index: 999;
        padding: 32px 0;
        gap: 24px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .hero-visual {
        min-height: 350px;
        height: auto;
        max-height: 400px;
        padding: 20px 0;
    }
    
    .hero-shape {
        width: 280px;
        height: 280px;
        min-width: 280px;
        min-height: 280px;
        max-width: 280px;
        max-height: 280px;
        margin: 10px auto;
    }
    
    .project-img2 {
        width: 280px;
        height: 280px;
        min-width: 280px;
        min-height: 280px;
        max-width: 280px;
        max-height: 280px;
        margin: 10px auto;
    }

    .floating-card {
        padding: 8px 12px;
        font-size: 12px;
        gap: 8px;
        /* Adjust positions to prevent overlap with smaller shapes */
    }
    
    .card-1 {
        top: 5%;
        left: 5%;
    }
    
    .card-2 {
        top: 70%;
        right: 5%;
    }
    
    .card-3 {
        bottom: 10%;
        left: 15%;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .projects-grid,
    .skills-grid {
        grid-template-columns: 1fr;
    }
    .education-card {
        flex-direction: column;
        text-align: center;
    }
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    .chatbot-container {
        width: calc(100vw - 32px);
        height: 400px;
        right: -8px;
    }
}

@media (max-width: 480px) {
    .hero-visual {
        min-height: 300px;
        height: auto;
        max-height: 350px;
        padding: 15px 0;
    }
    
    .hero-shape {
        width: 250px;
        height: 250px;
        min-width: 250px;
        min-height: 250px;
        max-width: 250px;
        max-height: 250px;
        margin: 8px auto;
    }
    
    .project-img2 {
        width: 250px;
        height: 250px;
        min-width: 250px;
        min-height: 250px;
        max-width: 250px;
        max-height: 250px;
        margin: 8px auto;
    }

    .floating-card {
        padding: 6px 10px;
        font-size: 11px;
        gap: 6px;
    }
    
    .card-1 {
        top: 2%;
        left: 2%;
    }
    
    .card-2 {
        top: 75%;
        right: 2%;
    }
    
    .card-3 {
        bottom: 5%;
        left: 10%;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .timeline-item {
        padding-left: 40px;
    }
    
    .timeline-content {
        padding: 24px;
    }
    
    .project-card {
        padding: 24px;
    }
    
    .skill-category {
        padding: 24px;
    }
    
    .education-card {
        padding: 24px;
    }
    
    .contact-card, .cta-card {
        padding: 24px;
    }
}
@media (max-width: 360px) {
    .hero-visual {
        min-height: 280px;
        padding: 10px 0;
    }
    
    .hero-shape {
        width: 220px;
        height: 220px;
        min-width: 220px;
        min-height: 220px;
        max-width: 220px;
        max-height: 220px;
        margin: 5px auto;
    }
    
    .project-img2 {
        width: 220px;
        height: 220px;
        min-width: 220px;
        min-height: 220px;
        max-width: 220px;
        max-height: 220px;
        margin: 5px auto;
    }

    .floating-card {
        padding: 4px 8px;
        font-size: 10px;
        gap: 4px;
    }
    
    .card-1 {
        top: 1%;
        left: 1%;
    }
    
    .card-2 {
        top: 80%;
        right: 1%;
    }
    
    .card-3 {
        bottom: 2%;
        left: 5%;
    }
    
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-4 {
    margin-top: 32px;
}

.mb-4 {
    margin-bottom: 32px;
}

.hidden {
    display: none;
}

.visible {
    display: block;
}
.project-img {
    width: 100%;
    height: auto;  /* keeps aspect ratio */
    border-radius: 10px;
    margin-bottom: 0rem;
  }
  .project-img2 {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    opacity: 1 !important;        /* ensures full visibility */
    filter: none !important;      /* removes any blur or brightness filter */
    background: none;             /* remove background if any */
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 60px;
    height: 60px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-primary);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle .icon {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle .sun-icon {
    opacity: 1;
    transform: rotate(0deg);
}

.theme-toggle .moon-icon {
    opacity: 0;
    transform: rotate(180deg);
    position: absolute;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    opacity: 0;
    transform: rotate(180deg);
}

[data-theme="dark"] .theme-toggle .moon-icon {
    opacity: 1;
    transform: rotate(0deg);
}

/* Mobile Responsiveness for Theme Toggle */
@media (max-width: 768px) {
    .theme-toggle {
        width: 50px;
        height: 50px;
        font-size: 20px;
        bottom: 20px;
        left: 20px;
    }
}

@media (max-width: 480px) {
    .theme-toggle {
        width: 45px;
        height: 45px;
        font-size: 18px;
        bottom: 16px;
        left: 16px;
    }
}

/* PWA Install Button */
.pwa-install-container {
    position: fixed;
    bottom: 24px;
    right: 100px; /* Position to the left of chatbot (60px + 40px spacing) */
    z-index: 1001;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.pwa-install-button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-lg);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-family);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    max-width: 280px;
    white-space: nowrap; /* Default no-wrap for desktop */
}

.pwa-install-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 25px 50px -12px rgba(37, 99, 235, 0.25);
}

.pwa-install-button:active {
    transform: translateY(0px);
    transition: transform 0.1s;
}

.pwa-install-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pwa-install-icon img {
    width: 24px;
    height: 24px;
    border-radius: 4px;
}

.pwa-install-text {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    transform: translateX(0);
    max-width: 200px;
    overflow: hidden;
}

/* Collapsed state */
.pwa-install-container.collapsed .pwa-install-button {
    padding: 16px;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    max-width: 60px;
}

.pwa-install-container.collapsed .pwa-install-text {
    opacity: 0;
    transform: translateX(20px);
    max-width: 0;
    margin: 0;
}

.pwa-install-container.collapsed .pwa-install-icon {
    margin: 0;
}

/* Hidden state */
.pwa-install-container.hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px) scale(0.8);
}

/* Pulse animation for attention */
.pwa-install-button.pulse {
    animation: pwa-pulse 2s infinite;
}

@keyframes pwa-pulse {
    0% { box-shadow: var(--shadow-xl); }
    50% { box-shadow: 0 25px 50px -12px rgba(37, 99, 235, 0.4), 0 0 0 8px rgba(37, 99, 235, 0.1); }
    100% { box-shadow: var(--shadow-xl); }
}

/* Button collapse for electric stream animation */
.pwa-install-container.collapsing,
.pwa-install-container.exploding {
    z-index: 1003;
}

.pwa-install-container.collapsing .pwa-install-button,
.pwa-install-container.exploding .pwa-install-button {
    animation: buttonCollapseForStream 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes buttonCollapseForStream {
    0% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
        filter: brightness(1) blur(0px) contrast(1);
        box-shadow: var(--shadow-xl);
        clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
    }
    10% {
        transform: scale(1.08) rotate(1deg);
        opacity: 1;
        filter: brightness(1.3) blur(0px) contrast(1.2);
        box-shadow: 0 0 25px rgba(0, 255, 255, 0.7), 0 0 35px rgba(255, 255, 255, 0.4);
        clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
    }
    25% {
        transform: scale(0.95) rotate(-2deg);
        opacity: 0.95;
        filter: brightness(1.6) blur(1px) contrast(1.5);
        box-shadow: 0 0 35px rgba(0, 255, 255, 0.9), 0 0 45px rgba(255, 255, 255, 0.6);
        clip-path: polygon(5% 5%, 95% 0%, 100% 90%, 0% 95%);
    }
    45% {
        transform: scale(0.7) rotate(3deg);
        opacity: 0.8;
        filter: brightness(2.2) blur(2px) contrast(2) saturate(1.8);
        box-shadow: 0 0 45px rgba(0, 255, 255, 1), 0 0 55px rgba(255, 255, 255, 0.8), 0 0 25px rgba(0, 200, 255, 0.6);
        clip-path: polygon(10% 15%, 85% 5%, 90% 80%, 15% 90%);
    }
    65% {
        transform: scale(0.4) rotate(-5deg);
        opacity: 0.6;
        filter: brightness(3) blur(4px) contrast(3) saturate(2.5);
        box-shadow: 0 0 60px rgba(0, 255, 255, 1), 0 0 70px rgba(255, 255, 255, 1), 0 0 40px rgba(0, 200, 255, 0.8);
        clip-path: polygon(20% 25%, 75% 15%, 80% 70%, 25% 85%);
    }
    80% {
        transform: scale(0.15) rotate(8deg);
        opacity: 0.3;
        filter: brightness(4) blur(6px) contrast(4) saturate(3);
        box-shadow: 0 0 80px rgba(0, 255, 255, 0.8), 0 0 90px rgba(255, 255, 255, 0.6), 0 0 50px rgba(0, 200, 255, 0.4);
        clip-path: polygon(30% 40%, 60% 30%, 65% 55%, 35% 70%);
    }
    95% {
        transform: scale(0.05) rotate(-12deg);
        opacity: 0.1;
        filter: brightness(5) blur(8px) contrast(5) saturate(4);
        box-shadow: 0 0 100px rgba(0, 255, 255, 0.4), 0 0 120px rgba(255, 255, 255, 0.2);
        clip-path: polygon(40% 45%, 55% 40%, 50% 50%, 45% 55%);
    }
    100% {
        transform: scale(0) rotate(-15deg);
        opacity: 0;
        visibility: hidden;
        filter: brightness(6) blur(10px) contrast(6) saturate(5);
        box-shadow: 0 0 150px rgba(0, 255, 255, 0), 0 0 200px rgba(255, 255, 255, 0);
        clip-path: polygon(50% 50%, 50% 50%, 50% 50%, 50% 50%);
    }
}

/* Electric Stream Animation Styles */
.electric-stream-container {
    pointer-events: none;
    z-index: 9999;
}

.electric-stream-particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    background: radial-gradient(circle, #ffffff 0%, #3b82f6 30%, #1e40af 70%, #1e3a8a 100%);
    box-shadow: 
        0 0 6px rgba(59, 130, 246, 0.8),
        0 0 12px rgba(59, 130, 246, 0.6),
        0 0 20px rgba(59, 130, 246, 0.4),
        0 0 30px rgba(30, 64, 175, 0.3);
    animation: electricPulse 0.3s ease-in-out infinite alternate;
}

@keyframes electricPulse {
    0% {
        transform: scale(1);
        filter: brightness(1);
    }
    100% {
        transform: scale(1.2);
        filter: brightness(1.3);
    }
}

/* Theme-specific electric stream colors */
[data-theme="dark"] .electric-stream-particle {
    background: radial-gradient(circle, #ffffff 0%, #60a5fa 30%, #3b82f6 70%, #2563eb 100%);
    box-shadow: 
        0 0 8px rgba(96, 165, 250, 0.9),
        0 0 16px rgba(59, 130, 246, 0.7),
        0 0 25px rgba(37, 99, 235, 0.5);
}

[data-theme="horror"] .electric-stream-particle {
    background: radial-gradient(circle, #ffffff 0%, #ef4444 30%, #dc2626 70%, #b91c1c 100%);
    box-shadow: 
        0 0 8px rgba(239, 68, 68, 0.9),
        0 0 16px rgba(220, 38, 38, 0.7),
        0 0 25px rgba(185, 28, 28, 0.5);
}

/* Logo glow effect when PWA install is available */
.nav-logo.pwa-available {
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 12px;
    padding: 4px;
}

.nav-logo.pwa-available:hover {
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
    transform: scale(1.05);
}

.nav-logo.pwa-available::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #2563eb, #059669, #2563eb);
    border-radius: 12px;
    opacity: 0;
    z-index: -1;
    animation: logoGlow 3s infinite;
}

@keyframes logoGlow {
    0%, 100% { 
        opacity: 0;
        transform: scale(1);
    }
    50% { 
        opacity: 0.1;
        transform: scale(1.02);
    }
}

/* Logo impact flash effect */
.nav-logo.impact-flash {
    animation: logoImpactFlash 0.6s ease-out forwards;
}

@keyframes logoImpactFlash {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0px rgba(127, 29, 29, 0);
        filter: brightness(1);
    }
    15% {
        transform: scale(1.08);
        box-shadow: 0 0 20px rgba(127, 29, 29, 0.6), 0 0 40px rgba(185, 28, 28, 0.25);
        filter: brightness(1.15) saturate(1.2);
    }
    30% {
        transform: scale(1.15);
        box-shadow: 0 0 35px rgba(127, 29, 29, 0.8), 0 0 70px rgba(185, 28, 28, 0.4);
        filter: brightness(1.3) saturate(1.4);
    }
    50% {
        transform: scale(1.12);
        box-shadow: 0 0 50px rgba(127, 29, 29, 1), 0 0 100px rgba(185, 28, 28, 0.6);
        filter: brightness(1.4) saturate(1.6);
    }
    75% {
        transform: scale(1.05);
        box-shadow: 0 0 30px rgba(127, 29, 29, 0.7), 0 0 60px rgba(185, 28, 28, 0.3);
        filter: brightness(1.2) saturate(1.3);
    }
    90% {
        transform: scale(1.02);
        box-shadow: 0 0 15px rgba(127, 29, 29, 0.5);
        filter: brightness(1.1) saturate(1.1);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 8px rgba(127, 29, 29, 0.3);
        filter: brightness(1) saturate(1);
    }
}

/* Themed logo pulse when stream arrives */
.nav-logo.impact-flash-blue {
    animation: logoPulseBlue 0.9s ease-out forwards;
}

@keyframes logoPulseBlue {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0px rgba(37, 99, 235, 0);
        filter: brightness(1);
    }
    20% {
        transform: scale(1.12);
        box-shadow: 0 0 18px rgba(96, 165, 250, 0.8), 0 0 36px rgba(59, 130, 246, 0.5);
        filter: brightness(1.2) saturate(1.2);
    }
    45% {
        transform: scale(1.2);
        box-shadow: 0 0 28px rgba(59, 130, 246, 0.9), 0 0 60px rgba(37, 99, 235, 0.6);
        filter: brightness(1.35) saturate(1.4);
    }
    70% {
        transform: scale(1.1);
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.6), 0 0 40px rgba(37, 99, 235, 0.4);
        filter: brightness(1.2) saturate(1.2);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
        filter: brightness(1);
    }
}

.nav-logo.impact-flash-red {
    animation: logoPulseRed 0.9s ease-out forwards;
}

@keyframes logoPulseRed {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0px rgba(220, 38, 38, 0);
        filter: brightness(1);
    }
    20% {
        transform: scale(1.12);
        box-shadow: 0 0 18px rgba(248, 113, 113, 0.85), 0 0 36px rgba(239, 68, 68, 0.5);
        filter: brightness(1.2) saturate(1.3);
    }
    45% {
        transform: scale(1.2);
        box-shadow: 0 0 28px rgba(239, 68, 68, 0.95), 0 0 60px rgba(220, 38, 38, 0.6);
        filter: brightness(1.4) saturate(1.5);
    }
    70% {
        transform: scale(1.1);
        box-shadow: 0 0 20px rgba(239, 68, 68, 0.6), 0 0 40px rgba(220, 38, 38, 0.4);
        filter: brightness(1.25) saturate(1.3);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 10px rgba(220, 38, 38, 0.3);
        filter: brightness(1);
    }
}

/* Install prompt popup */
.pwa-install-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    max-width: 400px;
    width: 90vw;
    z-index: 1002;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pwa-install-popup.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.pwa-install-popup-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.pwa-install-popup-backdrop.show {
    opacity: 1;
    visibility: visible;
}

.pwa-popup-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.pwa-popup-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    flex-shrink: 0;
}

.pwa-popup-info h3 {
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 4px 0;
}

.pwa-popup-info p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0;
}

.pwa-popup-content {
    margin-bottom: 24px;
}

.pwa-popup-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.pwa-popup-features {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pwa-popup-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.pwa-popup-features li:before {
    content: "✨";
    font-size: 16px;
}

.pwa-popup-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.pwa-popup-btn {
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.pwa-popup-btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.pwa-popup-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.pwa-popup-btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.pwa-popup-btn-secondary:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* iOS Installation Instructions */
.ios-install-steps {
    margin: 20px 0;
}

.ios-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border-left: 4px solid #007AFF;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    background: #007AFF;
    color: white;
    border-radius: 50%;
    font-weight: 600;
    font-size: 14px;
    margin-right: 15px;
    flex-shrink: 0;
}

.step-text {
    flex: 1;
}

.step-text strong {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.step-text small {
    display: block;
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 4px;
}

.step-icon {
    display: inline-flex;
    align-items: center;
    margin: 8px 0;
    font-size: 24px;
}

.step-icon i {
    margin-right: 8px;
}

/* Mobile responsiveness - Tablets and iPads */
@media (max-width: 768px) and (min-height: 900px) {
    .pwa-install-container {
        bottom: 20px;
        right: 84px; /* Position to left of chatbot (60px + 24px spacing) */
    }
    
    .pwa-install-button {
        padding: 14px 20px;
        font-size: 14px;
        max-width: 240px;
        white-space: normal; /* Allow text wrapping */
        line-height: 1.3;
    }
}

/* Mobile phones - Position above theme toggle */
@media (max-width: 768px) and (max-height: 900px) {
    .pwa-install-container {
        bottom: 90px; /* Above theme toggle (50px height + 20px bottom + 20px spacing) */
        left: 20px;
        right: 20px;
    }
    
    .pwa-install-button {
        padding: 14px 20px;
        font-size: 14px;
        max-width: none; /* Use full available width */
        white-space: normal; /* Allow text wrapping */
        line-height: 1.3;
        justify-content: center; /* Center content */
    }
    
    .pwa-install-container.collapsed .pwa-install-button {
        width: 50px;
        height: 50px;
        padding: 13px;
        margin: 0 auto; /* Center when collapsed */
    }
    
    .pwa-install-icon {
        width: 20px;
        height: 20px;
    }
    
    .pwa-install-icon img {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .pwa-install-container {
        bottom: 80px; /* Above theme toggle (45px height + 16px bottom + 19px spacing) */
        left: 16px;
        right: 16px;
    }
    
    .pwa-install-button {
        padding: 12px 16px;
        font-size: 13px;
        max-width: none; /* Use full available width */
        white-space: normal; /* Allow text wrapping */
        line-height: 1.3;
        justify-content: center; /* Center content */
    }
    
    .pwa-install-container.collapsed .pwa-install-button {
        width: 45px;
        height: 45px;
        padding: 11px;
        margin: 0 auto; /* Center when collapsed */
    }
    
    .pwa-popup-actions {
        flex-direction: column;
    }
    
    .pwa-popup-btn {
        width: 100%;
        justify-content: center;
    }
}

/* Ultra small screens */
@media (max-width: 380px) {
    .pwa-install-container {
        bottom: 75px; /* Above theme toggle with tighter spacing */
        left: 12px;
        right: 12px;
    }
    
    .pwa-install-button {
        padding: 10px 14px;
        font-size: 12px;
        max-width: none; /* Use full available width */
        white-space: normal; /* Allow text wrapping */
        line-height: 1.4;
        justify-content: center; /* Center content */
    }
    
    .pwa-install-container.collapsed .pwa-install-button {
        width: 40px;
        height: 40px;
        padding: 8px;
        margin: 0 auto; /* Center the collapsed button */
    }
}

/* Ensure proper stacking when both widgets are visible */
.pwa-install-container {
    /* Ensure install button doesn't interfere with chatbot interaction */
    pointer-events: auto;
}

.pwa-install-container.hidden {
    pointer-events: none;
}

/* Handle landscape orientation on phones */
@media (max-width: 768px) and (orientation: landscape) {
    .pwa-install-container {
        bottom: 16px;
        right: 84px;
    }
    
    .pwa-install-button {
        padding: 10px 16px;
        font-size: 13px;
        max-width: 200px;
    }
}

/* PWA Popup Mobile Positioning - Above Theme Toggle Button */
@media (max-width: 768px) {
    .pwa-install-popup {
        position: fixed;
        top: auto !important;
        left: 20px !important;
        right: 20px !important;
        bottom: 90px !important; /* Position above theme toggle (50px height + 20px spacing + 20px margin) */
        transform: translateY(20px) scale(0.8) !important;
        width: auto !important;
        max-width: none !important;
        padding: 24px;
        z-index: 10002; /* Higher z-index for mobile */
    }
    
    .pwa-install-popup.show {
        transform: translateY(0) scale(1) !important;
    }
    
    .pwa-install-popup-backdrop {
        z-index: 10001; /* Higher z-index for mobile */
    }
}

@media (max-width: 480px) {
    .pwa-install-popup {
        left: 16px !important;
        right: 16px !important;
        bottom: 80px !important; /* Position above theme toggle (45px height + 16px spacing + 19px margin) */
        padding: 20px;
    }
    
    .pwa-popup-header {
        margin-bottom: 16px;
    }
    
    .pwa-popup-title {
        font-size: 18px;
    }
    
    .pwa-popup-description {
        font-size: 14px;
    }
}

@media (max-width: 380px) {
    .pwa-install-popup {
        left: 12px !important;
        right: 12px !important;
        bottom: 75px !important; /* Position above theme toggle with tighter spacing */
        padding: 18px;
    }
    
    .pwa-popup-header {
        gap: 12px;
        margin-bottom: 14px;
    }
    
    .pwa-popup-icon {
        width: 40px;
        height: 40px;
    }
    
    .pwa-popup-title {
        font-size: 16px;
    }
    
    .pwa-popup-description {
        font-size: 13px;
        line-height: 1.4;
    }
    
    .pwa-popup-actions {
        gap: 10px;
        margin-top: 16px;
    }
    
    .pwa-popup-btn {
        padding: 10px 16px;
        font-size: 13px;
    }
}

/* Ensure smooth transitions when adjusting for chatbot */
.pwa-install-container {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode adjustments */
[data-theme="dark"] .pwa-install-popup {
    border-color: var(--border-color);
    background: var(--card-bg);
}

/* Horror mode adjustments */
[data-theme="horror"] .pwa-install-button {
    background: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
}

[data-theme="horror"] .pwa-install-button:hover {
    box-shadow: 0 25px 50px -12px rgba(220, 38, 38, 0.25);
}

[data-theme="horror"] .pwa-popup-features li:before {
    content: "🔥";
}

/* Big Theme Transition Animations */
.theme-animation-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10000;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.theme-animation-overlay.active {
    opacity: 1;
}

.big-sun, .big-moon {
    font-size: 120px;
    color: #fbbf24;
    opacity: 0;
    transform: scale(0) rotate(0deg);
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.big-moon {
    color: #e5e7eb;
}

.big-sun.animate {
    opacity: 1;
    transform: scale(1) rotate(360deg);
    animation: sunPulse 0.8s ease-out;
}

.big-moon.animate {
    opacity: 1;
    transform: scale(1) rotate(-360deg);
    animation: moonGlow 0.8s ease-out;
}

@keyframes sunPulse {
    0% {
        opacity: 0;
        transform: scale(0) rotate(0deg);
        filter: drop-shadow(0 0 0px #fbbf24);
    }
    50% {
        opacity: 1;
        transform: scale(1.2) rotate(180deg);
        filter: drop-shadow(0 0 30px #fbbf24);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(360deg);
        filter: drop-shadow(0 0 20px #fbbf24);
    }
}

@keyframes moonGlow {
    0% {
        opacity: 0;
        transform: scale(0) rotate(0deg);
        filter: drop-shadow(0 0 0px #e5e7eb);
    }
    50% {
        opacity: 1;
        transform: scale(1.2) rotate(-180deg);
        filter: drop-shadow(0 0 30px #a8a29e);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(-360deg);
        filter: drop-shadow(0 0 15px #9ca3af);
    }
}

/* Mobile responsiveness for animations */
@media (max-width: 768px) {
    .big-sun, .big-moon {
        font-size: 80px;
    }
}

@media (max-width: 480px) {
    .big-sun, .big-moon {
        font-size: 60px;
    }
}

/* Easter Egg - Red Moon Animation */
#red-moon-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    backdrop-filter: blur(20px);
}

#red-moon-animation.active {
    display: flex;
}

.red-moon-convergence {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 50px;
}

.converging-sun,
.converging-moon {
    position: absolute;
    font-size: 100px;
    transition: all 2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    color: #fbbf24;
}

.converging-sun {
    left: calc(50% - 200px);
    top: 50%;
    transform: translate(-50%, -50%);
    filter: brightness(1.2) drop-shadow(0 0 20px #fbbf24) drop-shadow(0 0 40px #fbbf24);
}

.converging-moon {
    left: calc(50% + 200px);
    top: 50%;
    transform: translate(-50%, -50%);
    color: #e5e7eb;
    filter: brightness(1.2) drop-shadow(0 0 20px #e5e7eb) drop-shadow(0 0 40px #e5e7eb);
}

.red-moon {
    position: absolute;
    opacity: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: all 1.5s ease-out 2s; /* Delay to appear after convergence */
    border-radius: 50%;
    width: 120px;
    height: 120px;
    background-image: url('../bloodmoon.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    box-shadow: 0 0 30px rgba(139, 0, 0, 1),
                0 0 50px rgba(220, 38, 38, 0.8),
                0 0 70px rgba(239, 68, 68, 0.6),
                0 0 90px rgba(248, 113, 113, 0.4);
}



.red-moon-convergence.converging .converging-sun {
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 2s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.8s ease-out 2.2s;
    opacity: 0; /* Fade out after reaching center */
}

.red-moon-convergence.converging .converging-moon {
    right: auto;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 2s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.8s ease-out 2.2s;
    opacity: 0; /* Fade out after reaching center */
}

.red-moon-convergence.converging .red-moon {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    transition: opacity 0.5s ease-in 2.5s; /* Appear after convergence */
    animation: crimsonMoonPulse 2s ease-in-out infinite alternate 3s; /* Start animation after appearing */
}

@keyframes crimsonMoonPulse {
    0% { 
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 30px rgba(139, 0, 0, 1),
                    0 0 50px rgba(220, 38, 38, 0.8),
                    0 0 70px rgba(239, 68, 68, 0.6),
                    0 0 90px rgba(248, 113, 113, 0.4);
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.15);
        box-shadow: 0 0 50px rgba(139, 0, 0, 1),
                    0 0 80px rgba(220, 38, 38, 0.9),
                    0 0 120px rgba(239, 68, 68, 0.7),
                    0 0 160px rgba(248, 113, 113, 0.5),
                    0 0 200px rgba(252, 165, 165, 0.3);
    }
    100% { 
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 30px rgba(139, 0, 0, 1),
                    0 0 50px rgba(220, 38, 38, 0.8),
                    0 0 70px rgba(239, 68, 68, 0.6),
                    0 0 90px rgba(248, 113, 113, 0.4);
    }
}

.easter-egg-text {
    text-align: center;
    color: #fff;
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s ease-out;
}

.easter-egg-text.show {
    opacity: 1;
    transform: translateY(0);
}

.easter-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #fff, #dc2626, #fff);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 2s ease-in-out infinite;
}

.easter-subtitle {
    font-size: 1.2rem;
    color: #dc2626;
    font-weight: 500;
    text-shadow: 0 0 10px #dc2626;
    animation: redGlow 1.5s ease-in-out infinite alternate;
}

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

@keyframes redGlow {
    0% { text-shadow: 0 0 10px #dc2626; }
    100% { text-shadow: 0 0 20px #dc2626, 0 0 30px #dc2626; }
}

/* Horror Mode Effects */
.horror-mode {
    animation: horrorGlow 3s ease-in-out infinite alternate;
}

@keyframes horrorGlow {
    0% {
        box-shadow: inset 0 0 100px rgba(220, 38, 38, 0.1);
    }
    100% {
        box-shadow: inset 0 0 150px rgba(220, 38, 38, 0.2);
    }
}

[data-theme="horror"] .hero-shape {
    background: var(--gradient-primary);
    box-shadow: 0 0 50px rgba(220, 38, 38, 0.5), inset 0 0 30px rgba(220, 38, 38, 0.3);
    animation: float 6s ease-in-out infinite, horrorPulse 2s ease-in-out infinite alternate;
}

@keyframes horrorPulse {
    0% {
        box-shadow: 0 0 50px rgba(220, 38, 38, 0.5), inset 0 0 30px rgba(220, 38, 38, 0.3);
    }
    100% {
        box-shadow: 0 0 80px rgba(220, 38, 38, 0.8), inset 0 0 50px rgba(220, 38, 38, 0.5);
    }
}

/* Enhanced Hero Elements for Dark Mode */
[data-theme="dark"] .hero-title {
    color: #ffffff;
    text-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

[data-theme="dark"] .gradient-text {
    background: linear-gradient(135deg, #3b82f6 0%, #10b981 50%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: brightness(1.2) saturate(1.3);
}

[data-theme="dark"] .hero-badge {
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.3);
    color: #60a5fa;
    box-shadow: 0 0 15px rgba(37, 99, 235, 0.2);
    backdrop-filter: blur(10px);
}

[data-theme="dark"] .hero-badge i {
    color: #3b82f6;
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.4));
}

[data-theme="dark"] .hero-description {
    color: #d1d5db;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Enhanced Hero Elements for Horror Mode */
[data-theme="horror"] .hero-title {
    color: #fecaca;
    text-shadow: 0 0 30px rgba(220, 38, 38, 0.5), 0 0 60px rgba(220, 38, 38, 0.2);
    filter: brightness(1.1);
}

[data-theme="horror"] .gradient-text {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 30%, #991b1b 60%, #7f1d1d 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: brightness(1.3) saturate(1.5);
    text-shadow: 0 0 40px rgba(220, 38, 38, 0.6);
}

[data-theme="horror"] .hero-badge {
    background: rgba(127, 29, 29, 0.2);
    border: 1px solid rgba(185, 28, 28, 0.4);
    color: #fca5a5;
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.3), inset 0 0 10px rgba(127, 29, 29, 0.2);
    backdrop-filter: blur(15px);
}

[data-theme="horror"] .hero-badge i {
    color: #dc2626;
    filter: drop-shadow(0 0 12px rgba(220, 38, 38, 0.6));
    animation: horrorGlow 2s ease-in-out infinite alternate;
}

[data-theme="horror"] .hero-description {
    color: #f3f4f6;
    text-shadow: 0 0 15px rgba(220, 38, 38, 0.2);
}

[data-theme="horror"] .floating-card {
    background: rgba(26, 15, 15, 0.9);
    border: 1px solid #7f1d1d;
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.3);
    color: #fecaca;
    backdrop-filter: blur(10px);
}

[data-theme="horror"] .floating-card i {
    color: #dc2626;
    text-shadow: 0 0 10px #dc2626;
}

[data-theme="horror"] .floating-card:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 0 30px rgba(255, 50, 50, 0.5);
}

[data-theme="horror"] .floating-card,
[data-theme="horror"] .floating-card * {
    pointer-events: auto !important; /* Ensure they are clickable */
    animation-play-state: running !important; /* Ensure animations run */
}

[data-theme="horror"] .project-card,
[data-theme="horror"] .experience-card,
[data-theme="horror"] .skill-card,
[data-theme="horror"] .education-card {
    border: 1px solid #7f1d1d;
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.2);
}

[data-theme="horror"] .project-card:hover,
[data-theme="horror"] .experience-card:hover,
[data-theme="horror"] .skill-card:hover,
[data-theme="horror"] .education-card:hover {
    box-shadow: 0 0 30px rgba(220, 38, 38, 0.4);
    transform: translateY(-8px);
}

/* Horror Theme - Contact Icons */
[data-theme="horror"] .contact-item i,
[data-theme="horror"] .contact-items .contact-item i,
[data-theme="horror"] .fab,
[data-theme="horror"] .fas {
    color: #ffffff !important; /* Force white color for all icons in horror mode */
}

[data-theme="horror"] .contact-item:hover i,
[data-theme="horror"] .contact-items .contact-item:hover i {
    color: #ffffff !important;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

/* Horror Theme - Chatbot Button */
[data-theme="horror"] .chatbot-toggle {
    background: #dc2626 !important; /* Force red color in horror mode */
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.6), var(--shadow-lg);
}

[data-theme="horror"] .chatbot-toggle:hover {
    background: #b91c1c !important; /* Darker red on hover in horror mode */
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(220, 38, 38, 0.8), var(--shadow-lg);
}

/* Horror Theme - Ensure toggle button is clickable for crimson popup */
[data-theme="horror"] .theme-toggle.disabled {
    cursor: pointer !important;
    pointer-events: auto !important;
}

[data-theme="horror"] .theme-toggle.disabled:hover {
    cursor: pointer !important;
    opacity: 0.5;
    transform: scale(0.98);
}

/* Horror Theme - Buttons */
[data-theme="horror"] .btn-primary {
    background: #dc2626 !important; /* Force red background */
    border-color: #dc2626 !important;
    color: #ffffff !important;
    box-shadow: 0 0 10px rgba(220, 38, 38, 0.3);
}

[data-theme="horror"] .btn-primary:hover {
    background: #b91c1c !important; /* Darker red on hover */
    border-color: #b91c1c !important;
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.5), var(--shadow-lg);
}

/* Horror Theme - Accent Buttons (Download Button) */
[data-theme="horror"] .btn-accent {
    background: #dc2626 !important; /* Force red background instead of whitish */
    border-color: #dc2626 !important;
    color: #ffffff !important;
    box-shadow: 0 0 10px rgba(220, 38, 38, 0.3);
}

[data-theme="horror"] .btn-accent:hover {
    background: #b91c1c !important; /* Darker red on hover */
    border-color: #b91c1c !important;
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.5), var(--shadow-lg);
}

/* Disable ripple expansion in horror mode */
[data-theme="horror"] .btn {
    overflow: hidden;
    position: relative;
}

/* Ripple effect styles */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
    z-index: 1;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Disabled Toggle Button */
.theme-toggle.disabled {
    opacity: 0.3;
    cursor: pointer; /* Keep clickable for crimson popup */
    transform: scale(0.9);
    filter: grayscale(100%);
    /* Ensure it's clickable */
    pointer-events: auto !important;
}

.theme-toggle.disabled:hover {
    transform: scale(0.95); /* Slight hover feedback */
    opacity: 0.4;
    box-shadow: var(--shadow-lg);
}

/* Animating Toggle Button - during sweeping animation */
.theme-toggle.animating {
    opacity: 0.6;
    cursor: wait;
    transform: scale(0.95);
    pointer-events: none; /* Completely prevent clicks */
    filter: brightness(0.8);
    transition: all 0.3s ease;
}

.theme-toggle.animating:hover {
    transform: scale(0.95); /* Override hover effects during animation */
}

/* Easter Egg Mobile Responsiveness */
@media (max-width: 768px) {
    .red-moon-convergence {
        width: 250px;
        height: 250px;
    }
    
    .converging-sun,
    .converging-moon {
        font-size: 70px;
    }
    
    .converging-sun {
        left: calc(50% - 125px);
    }

    .converging-moon {
        left: calc(50% + 125px);
    }
    
    .easter-title {
        font-size: 2rem;
    }
    
    .easter-subtitle {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .red-moon-convergence {
        width: 200px;
        height: 200px;
    }
    
    .converging-sun,
    .converging-moon {
        font-size: 60px;
    }
    
    .converging-sun {
        left: calc(50% - 100px);
    }

    .converging-moon {
        left: calc(50% + 100px);
    }
    
    .easter-title {
        font-size: 1.8rem;
    }
    
    .easter-subtitle {
        font-size: 0.9rem;
    }
}

@media (max-width: 360px) {
    /* Switch to vertical convergence for very small screens */
    .converging-sun {
        left: 50%;
        top: calc(50% - 120px);
        transform: translate(-50%, -50%);
    }

    .converging-moon {
        left: 50%;
        top: calc(50% + 120px);
        transform: translate(-50%, -50%);
    }
    
    .red-moon-convergence.converging .converging-sun {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        transition: all 2s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.8s ease-out 2.2s;
        opacity: 0;
    }

    .red-moon-convergence.converging .converging-moon {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        transition: all 2s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.8s ease-out 2.2s;
        opacity: 0;
    }
    
    .converging-sun,
    .converging-moon {
        font-size: 60px;
    }
    
    .red-moon {
        width: 70px;
        height: 70px;
        box-shadow: 0 0 20px rgba(139, 0, 0, 1),
                    0 0 35px rgba(220, 38, 38, 0.8),
                    0 0 50px rgba(239, 68, 68, 0.6),
                    0 0 65px rgba(248, 113, 113, 0.4);
    }
    
    .easter-title {
        font-size: 1.5rem;
    }
    
    .easter-subtitle {
        font-size: 0.8rem;
    }
}

/* Crimson Moon Popup Message */
#crimson-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10001;
    opacity: 0;
    pointer-events: none;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.265, 1.55);
}

#crimson-popup.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.05);
}

.crimson-message {
    background: linear-gradient(135deg, 
        rgba(80, 0, 0, 0.98) 0%, 
        rgba(50, 0, 0, 0.96) 50%, 
        rgba(30, 0, 0, 0.98) 100%);
    border: 2px solid #8b0000;
    border-radius: 15px;
    padding: 20px 30px;
    text-align: center;
    color: #fef2f2;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 0 40px rgba(139, 0, 0, 0.9),
                0 0 80px rgba(139, 0, 0, 0.5),
                0 0 100px rgba(220, 38, 38, 0.3);
    backdrop-filter: blur(15px);
    animation: crimsonGlow 2s ease-in-out infinite alternate;
    max-width: 350px;
    word-wrap: break-word;
}

.crimson-icon {
    display: block;
    width: 60px;
    height: 60px;
    margin: 0 auto 15px auto;
    background-image: url('../bloodmoon.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(139, 0, 0, 1),
                0 0 25px rgba(220, 38, 38, 0.9),
                0 0 35px rgba(239, 68, 68, 0.7),
                0 0 45px rgba(248, 113, 113, 0.5);
    animation: moonPulse 2s ease-in-out infinite;
}

.crimson-message p {
    margin: 0;
    text-shadow: 0 0 10px rgba(139, 0, 0, 0.8);
    line-height: 1.4;
}

@keyframes crimsonGlow {
    0% {
        box-shadow: 0 0 30px rgba(139, 0, 0, 0.8),
                    0 0 60px rgba(139, 0, 0, 0.4),
                    inset 0 0 20px rgba(139, 0, 0, 0.3);
    }
    100% {
        box-shadow: 0 0 50px rgba(139, 0, 0, 1),
                    0 0 100px rgba(139, 0, 0, 0.6),
                    inset 0 0 30px rgba(139, 0, 0, 0.5);
    }
}

@keyframes moonPulse {
    0% { 
        transform: scale(1);
        box-shadow: 0 0 15px rgba(139, 0, 0, 1),
                    0 0 25px rgba(220, 38, 38, 0.9),
                    0 0 35px rgba(239, 68, 68, 0.7),
                    0 0 45px rgba(248, 113, 113, 0.5);
    }
    50% { 
        transform: scale(1.1);
        box-shadow: 0 0 25px rgba(139, 0, 0, 1),
                    0 0 40px rgba(220, 38, 38, 1),
                    0 0 55px rgba(239, 68, 68, 0.8),
                    0 0 70px rgba(248, 113, 113, 0.6);
    }
    100% { 
        transform: scale(1);
        box-shadow: 0 0 15px rgba(139, 0, 0, 1),
                    0 0 25px rgba(220, 38, 38, 0.9),
                    0 0 35px rgba(239, 68, 68, 0.7),
                    0 0 45px rgba(248, 113, 113, 0.5);
    }
}

/* Mobile-specific pulse animation */
@keyframes moonPulseMobile {
    0% { 
        transform: scale(1);
        box-shadow: 0 0 12px rgba(139, 0, 0, 1),
                    0 0 20px rgba(220, 38, 38, 0.9),
                    0 0 28px rgba(239, 68, 68, 0.7),
                    0 0 36px rgba(248, 113, 113, 0.5);
    }
    50% { 
        transform: scale(1.1);
        box-shadow: 0 0 20px rgba(139, 0, 0, 1),
                    0 0 32px rgba(220, 38, 38, 1),
                    0 0 44px rgba(239, 68, 68, 0.8),
                    0 0 56px rgba(248, 113, 113, 0.6);
    }
    100% { 
        transform: scale(1);
        box-shadow: 0 0 12px rgba(139, 0, 0, 1),
                    0 0 20px rgba(220, 38, 38, 0.9),
                    0 0 28px rgba(239, 68, 68, 0.7),
                    0 0 36px rgba(248, 113, 113, 0.5);
    }
}

/* Backend Connection Popup */
.backend-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    z-index: 10002;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    pointer-events: none;
}

.backend-popup.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    pointer-events: auto;
}

.backend-popup-content {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    padding: 20px 30px;
    border-radius: 15px;
    box-shadow: 
        0 20px 40px rgba(59, 130, 246, 0.3),
        0 10px 20px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    text-align: center;
    max-width: 400px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

/* Horror Theme - Red Backend Popup */
[data-theme="horror"] .backend-popup-content {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%) !important;
    box-shadow: 
        0 20px 40px rgba(220, 38, 38, 0.4),
        0 10px 20px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1) !important;
    border: 1px solid rgba(220, 38, 38, 0.3) !important;
}

[data-theme="horror"] .backend-popup-content i {
    color: #fca5a5 !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

.backend-popup-content i {
    font-size: 2rem;
    margin-bottom: 15px;
    display: block;
    color: #93c5fd;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.backend-popup-content p {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.5;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Mobile responsiveness for backend popup */
@media (max-width: 480px) {
    .backend-popup-content {
        padding: 15px 20px;
        font-size: 1rem;
        max-width: 300px;
        margin: 0 20px;
    }
    
    .backend-popup-content i {
        font-size: 1.5rem;
    }
    
    .backend-popup-content p {
        font-size: 1rem;
    }
}

/* Override styles for horror theme */
[data-theme="horror"] .btn-primary {
    background: var(--horror-primary);
    border-color: var(--horror-primary-dark);
    color: var(--horror-text-primary);
}

[data-theme="horror"] .btn-primary:hover {
    background: var(--horror-primary-dark);
    border-color: var(--horror-primary-dark);
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.5);
}

[data-theme="horror"] .btn-secondary {
    background: transparent;
    border-color: var(--horror-accent);
    color: var(--horror-accent);
}

[data-theme="horror"] .btn-secondary:hover {
    background: var(--horror-accent);
    color: var(--horror-bg);
    box-shadow: 0 0 15px rgba(220, 38, 38, 0.4);
}

[data-theme="horror"] .btn-accent {
    background: var(--horror-accent-dark);
    color: var(--horror-text-primary);
}

[data-theme="horror"] .btn-accent:hover {
    background: var(--horror-accent);
    box-shadow: 0 0 15px rgba(220, 38, 38, 0.4);
}

[data-theme="horror"] .nav-link:hover,
[data-theme="horror"] .nav-link.active {
    color: var(--horror-primary);
    text-shadow: 0 0 8px rgba(220, 38, 38, 0.7);
}

[data-theme="horror"] .contact-btn {
    border-color: var(--horror-primary);
    color: var(--horror-primary);
}

[data-theme="horror"] .contact-btn:hover {
    background: var(--horror-primary);
    color: var(--horror-text-primary);
}

[data-theme="horror"] .skill-tag:hover {
    background: var(--horror-primary);
    color: var(--horror-text-primary);
    transform: scale(1.1);
}

[data-theme="horror"] .contact-item:hover {
    background: var(--horror-primary-dark);
    color: var(--horror-text-primary);
}

[data-theme="horror"] .project-link:hover {
    color: var(--horror-primary);
}

[data-theme="horror"] .certification-item:hover h4,
[data-theme="horror"] .publication-item:hover h4 {
    color: var(--horror-primary);
}

[data-theme="horror"] .footer-links a:hover {
    color: var(--horror-primary);
}

[data-theme="horror"] .quick-question:hover {
    background-color: var(--horror-primary-dark);
    color: var(--horror-text-primary);
}

[data-theme="horror"] .pwa-popup-btn-primary {
    background: var(--horror-primary);
}

[data-theme="horror"] .pwa-popup-btn-primary:hover {
    background: var(--horror-primary-dark);
}

[data-theme="horror"] .pwa-popup-btn-secondary {
    background: var(--horror-bg-light);
    color: var(--horror-text-secondary);
}

[data-theme="horror"] .pwa-popup-btn-secondary:hover {
    background: var(--horror-accent-dark);
}

[data-theme="horror"] .nav-menu .contact-btn:hover {
    background: #dc2626 !important;
    border-color: var(--horror-primary) !important;
    color: var(--horror-text-primary) !important;
    box-shadow: 0 0 15px rgba(220, 38, 38, 0.5);
}

[data-theme="horror"] .chatbot-input .send-btn:hover,
[data-theme="horror"] #chatbot-send:hover {
    background: var(--horror-primary);
    color: var(--horror-text-primary);
    box-shadow: 0 0 10px rgba(220, 38, 38, 0.4);
}

/* Enforce white borders for all shimmer buttons in horror mode */
[data-theme="horror"] .btn,
[data-theme="horror"] .btn-primary,
[data-theme="horror"] .btn-secondary,
[data-theme="horror"] .btn-accent,
[data-theme="horror"] .contact-btn,
[data-theme="horror"] .nav-menu .contact-btn {
    border-color: #ffffff !important;
}

/* Keep borders white on hover as well */
[data-theme="horror"] .btn:hover,
[data-theme="horror"] .btn-primary:hover,
[data-theme="horror"] .btn-secondary:hover,
[data-theme="horror"] .btn-accent:hover,
[data-theme="horror"] .contact-btn:hover,
[data-theme="horror"] .nav-menu .contact-btn:hover {
    border-color: #ffffff !important;
}