/* Enhanced Portfolio CSS - César Carrasco
   Professional Dark/Light Theme with Advanced Animations */

/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark Theme Variables */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #9aa0a6;
    --accent-primary: #7877c6;
    --accent-secondary: #a855f7;
    --accent-gold: #fbbf24;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --border: #333333;
    --shadow: rgba(0, 0, 0, 0.5);
    --glass: rgba(255, 255, 255, 0.1);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    --gradient-gold: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-glass: linear-gradient(145deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.5s ease;

    /* Z-index scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #e2e8f0;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border: #e2e8f0;
    --shadow: rgba(0, 0, 0, 0.1);
    --glass: rgba(0, 0, 0, 0.05);
    --gradient-glass: linear-gradient(145deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.4) 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-content {
    text-align: center;
    max-width: 300px;
}

.loading-logo {
    font-size: 3rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-lg);
    animation: loadingPulse 1s ease-in-out infinite alternate;
}

.loading-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.loading-progress {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.loading-bar {
    height: 100%;
    background: var(--gradient-primary);
    width: 0%;
    transition: width 0.3s ease;
}

@keyframes loadingPulse {
    from { transform: scale(1); opacity: 1; }
    to { transform: scale(1.1); opacity: 0.7; }
}

/* Scroll Progress Bar */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-primary);
    z-index: var(--z-fixed);
    transition: width 0.1s ease;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: var(--gradient-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    cursor: pointer;
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px var(--shadow);
}

.theme-toggle i {
    position: absolute;
    transition: opacity var(--transition-normal);
}

.theme-toggle .fa-sun {
    opacity: 0;
    color: var(--accent-gold);
}

/* Matrix Canvas Background */
#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    opacity: 0.1;
}

/* Particle System */
#particles-container {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: float 15s infinite linear;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Background Effects */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.10) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(16, 185, 129, 0.06) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundFloat 20s ease-in-out infinite;
}

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

/* Global elements */
a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover {
    color: var(--accent-secondary);
}
img {
    max-width: 100%;
    display: block;
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Main Layout */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    position: relative;
}

/* Section Base Styles */
section {
    background: var(--gradient-glass);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 4px 20px var(--shadow);
    border: 1px solid var(--border);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

/* Section Decorations */
.section-decoration {
    position: absolute;
    top: -8px;
    right: var(--spacing-lg);
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    opacity: 0.8;
    z-index: 1;
    filter: drop-shadow(0 10px 30px rgba(0,0,0,0.25));
}

.hero .section-decoration { 
    background: var(--gradient-gold); 
    animation: pulse 2s infinite;
}
.skills-section .section-decoration { background: var(--gradient-success); }
.aws-journey .section-decoration { background: var(--gradient-gold); }
.contact-form .section-decoration { background: linear-gradient(135deg, #ec4899 0%, #be185d 100%); }

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.08); opacity: 0.6; }
}

/* Typography */
h1 {
    color: var(--text-primary);
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
    letter-spacing: -0.02em;
    text-align: center;
}

h2 {
    color: var(--text-primary);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
    text-align: center;
}

h3 {
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

/* Glitch Effects */
.glitch-text {
    position: relative;
    display: inline-block;
}

.glitch-text.glitch-active::before,
.glitch-text.glitch-active::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch-text.glitch-active::before {
    animation: glitch-1 0.6s infinite;
    color: #ff0000;
    z-index: -1;
}

.glitch-text.glitch-active::after {
    animation: glitch-2 0.6s infinite;
    color: #00ffff;
    z-index: -2;
}

@keyframes glitch-1 {
    0%, 14%, 15%, 49%, 50%, 99%, 100% { transform: translate(0); }
    1%, 13% { transform: translate(-2px, 2px); }
    16%, 48% { transform: translate(2px, -2px); }
}

@keyframes glitch-2 {
    0%, 20%, 21%, 62%, 63%, 99%, 100% { transform: translate(0); }
    1%, 19% { transform: translate(2px, -2px); }
    22%, 61% { transform: translate(-2px, 2px); }
}

/* Hero Section */
.hero {
    text-align: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-glass);
}

.glitch-container {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-lg);
}

.profile-photo {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent-primary);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    box-shadow: 0 10px 30px rgba(120,119,198,0.25);
}

.profile-photo:hover {
    transform: scale(1.05);
    box-shadow: 0 16px 40px rgba(120,119,198,0.35);
}

.tagline {
    font-size: var(--font-size-xl);
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    min-height: 1.5em;
    font-family: var(--font-mono);
}

.cursor {
    animation: blink 1s infinite;
    color: var(--accent-primary);
}

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

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Enhanced Buttons */
.aws-link,
.cta-button {
    background: var(--gradient-primary);
    color: #fff;
    padding: var(--spacing-md) var(--spacing-lg);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    border: none;
    cursor: pointer;
    letter-spacing: 0.01em;
    box-shadow: 0 8px 25px rgba(120,119,198,0.2);
    will-change: transform, box-shadow;
    position: relative;
    overflow: hidden;
}

.cta-button--secondary {
    background: transparent;
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
}

.cta-button--secondary:hover {
    background: var(--accent-primary);
    color: white;
}

.aws-link::before,
.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.aws-link:hover::before,
.cta-button:hover::before {
    left: 100%;
}

.aws-link:hover,
.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(120,119,198,0.35);
}

.aws-link:active,
.cta-button:active {
    transform: translateY(-1px);
}

/* About Section */
.about-text {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-card {
    background: var(--gradient-glass);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(120,119,198,0.2);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-mono);
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Experience Timeline */
.experience-section {
    background: var(--gradient-glass);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.timeline-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: 50%;
    padding-right: var(--spacing-xl);
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 50%;
    margin-right: 0;
    padding-left: var(--spacing-xl);
    text-align: left;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    z-index: 2;
    box-shadow: 0 4px 15px rgba(120,119,198,0.3);
}

.timeline-content {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 30px var(--shadow);
}

.timeline-content h3 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
}

.timeline-content h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.timeline-date {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-mono);
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.tag {
    background: var(--gradient-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* Portfolio Section */
.portfolio-section {
    background: var(--gradient-glass);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.project-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
}

.project-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.project-card.featured {
    border: 2px solid var(--accent-primary);
    background: linear-gradient(145deg, var(--bg-secondary), var(--bg-tertiary));
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow);
}

.project-image {
    position: relative;
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-placeholder {
    font-size: 3rem;
    color: white;
    opacity: 0.8;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-actions {
    display: flex;
    gap: var(--spacing-md);
}

.project-btn {
    width: 50px;
    height: 50px;
    border: none;
    background: var(--gradient-glass);
    backdrop-filter: blur(10px);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.project-btn:hover {
    transform: scale(1.1);
    background: var(--accent-primary);
}

.project-content {
    padding: var(--spacing-xl);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.project-header h3 {
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.featured {
    background: var(--gradient-gold);
    color: var(--bg-primary);
}

.status-badge.current {
    background: var(--gradient-success);
    color: white;
}

.project-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.tech-tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border: 1px solid var(--border);
}

.project-metrics {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.metric-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
}

/* GitHub Repositories */
.github-repos h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
}

.repos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.repo-card {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
}

.repo-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px var(--shadow);
}

.repo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.repo-header h4 {
    color: var(--text-primary);
    font-size: var(--font-size-base);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.repo-link {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

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

.repo-stats {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.repo-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.repo-language {
    background: var(--accent-primary);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
}

.repo-updated {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-sm);
}

/* Skills Section Enhanced */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.skill-card {
    background: var(--gradient-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-slow);
}

.skill-card.animate-in::before {
    transform: scaleX(1);
}

.skill-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(120, 119, 198, 0.25);
}

.skill-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-2xl);
    color: white;
    box-shadow: 0 10px 30px rgba(120,119,198,0.3);
}

.skill-progress-container {
    margin-top: var(--spacing-lg);
}

.skill-item {
    margin-bottom: var(--spacing-md);
}

.skill-item span {
    display: block;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    width: 0%;
    transition: width 1.5s ease-out;
    border-radius: var(--radius-lg);
    position: relative;
}

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

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

/* Certifications Section */
.certifications-section {
    background: var(--gradient-glass);
}

.cert-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.credly-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--accent-primary);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-lg);
}

.credly-link:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.cert-card {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-gold);
}

.cert-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px var(--shadow);
    border-color: var(--accent-gold);
}

.cert-badge {
    width: 80px;
    height: 80px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: var(--font-size-2xl);
    color: white;
    box-shadow: 0 8px 25px rgba(245,158,11,0.3);
}

.cert-content h4 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.cert-issuer {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.cert-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cert-date {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
}

.cert-level {
    background: var(--accent-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* Testimonials Section */
.testimonials-section {
    background: var(--gradient-glass);
    overflow: hidden;
}

.testimonials-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-card {
    min-width: 100%;
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    margin: 0 var(--spacing-sm);
    position: relative;
}

.testimonial-content {
    margin-bottom: var(--spacing-lg);
}

.quote-icon {
    font-size: var(--font-size-2xl);
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
}

.testimonial-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    line-height: 1.7;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-lg);
}

.author-info h4 {
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
    font-weight: 600;
}

.author-info span {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.carousel-btn {
    width: 50px;
    height: 50px;
    border: none;
    background: var(--gradient-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: var(--accent-primary);
    color: white;
    transform: scale(1.1);
}

.carousel-dots {
    display: flex;
    gap: var(--spacing-sm);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.dot.active {
    background: var(--accent-primary);
    transform: scale(1.2);
}

/* Blog Section */
.blog-section {
    background: var(--gradient-glass);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.blog-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
}

.blog-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow);
}

.blog-image {
    position: relative;
    height: 200px;
    background: var(--gradient-success);
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-placeholder {
    font-size: var(--font-size-4xl);
    color: white;
    opacity: 0.8;
}

.blog-category {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.blog-content {
    padding: var(--spacing-xl);
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.blog-content h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.blog-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.blog-link {
    color: var(--accent-primary);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-normal);
}

.blog-link:hover {
    color: var(--accent-secondary);
    gap: var(--spacing-sm);
}

/* AWS Journey Section */
.aws-journey {
    text-align: center;
    position: relative;
    background: var(--gradient-glass);
}

.challenge-badge {
    background: var(--gradient-gold);
    color: var(--bg-primary);
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-xl);
    font-weight: 700;
    font-size: var(--font-size-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 8px 25px rgba(245,158,11,0.3);
    animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 8px 25px rgba(245,158,11,0.3); }
    to { box-shadow: 0 12px 35px rgba(245,158,11,0.5); }
}

.aws-journey p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* Enhanced Contact Form */
.contact-form {
    position: relative;
    background: var(--gradient-glass);
}

.contact-form > p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
    line-height: 1.6;
}

.contact-form-container {
    max-width: 600px;
    margin: 0 auto var(--spacing-xl) auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-message {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
    text-align: center;
    border: 2px solid;
    backdrop-filter: blur(10px);
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-color: var(--success);
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border-color: var(--error);
}

.form-group {
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-family: inherit;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(120, 119, 198, 0.2);
}

.input-focus-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
    border-radius: var(--radius-lg);
}

.form-group input:focus + .input-focus-line,
.form-group textarea:focus + .input-focus-line,
.form-group select:focus + .input-focus-line {
    width: 100%;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

.char-counter {
    position: absolute;
    bottom: -1.5rem;
    right: 0;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Enhanced Submit Button */
.contact-submit-btn {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-2xl);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 10px 30px rgba(120,119,198,0.3);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    display: block;
    margin: 0 auto;
    min-width: 200px;
}

.contact-submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}

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

.contact-submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(120,119,198,0.4);
}

.contact-submit-btn:active {
    transform: translateY(-1px);
}

.contact-submit-btn.loading .btn-text {
    opacity: 0;
}

.contact-submit-btn.loading .btn-loading {
    opacity: 1;
}

.btn-text,
.btn-loading {
    transition: opacity var(--transition-normal);
}

.btn-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
}

.contact-submit-btn:disabled {
    cursor: not-allowed;
    filter: grayscale(0.3);
}

/* Enhanced Social Links */
.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.social-link {
    width: 50px;
    height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: 50%;
    transition: all var(--transition-normal);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    border-radius: 50%;
}

.social-link:hover::before {
    opacity: 1;
}

.social-link:hover {
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(120,119,198,0.4);
}

.social-link i {
    position: relative;
    z-index: 1;
}

.social-link.linkedin:hover::before {
    background: linear-gradient(135deg, #0077B5 0%, #00A0DC 100%);
}

.social-link.github:hover::before {
    background: linear-gradient(135deg, #333 0%, #24292e 100%);
}

.social-link.instagram:hover::before {
    background: linear-gradient(135deg, #E4405F 0%, #C13584 50%, #833AB4 100%);
}

.social-link.aws:hover::before {
    background: linear-gradient(135deg, #FF9900 0%, #FF6600 100%);
}

.social-link.calendly:hover::before {
    background: linear-gradient(135deg, #006BFF 0%, #0052CC 100%);
}

/* Footer Enhanced */
footer {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-2xl) var(--spacing-lg);
    border-top: 1px solid var(--border);
    background: var(--gradient-glass);
    backdrop-filter: blur(10px);
    margin-top: var(--spacing-xl);
}

.footer-content p {
    margin-bottom: var(--spacing-sm);
}

.footer-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.footer-tech {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tech-badge {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border: 1px solid var(--border);
}

/* Project Modal */
.modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--bg-secondary);
    margin: 5% auto;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-lg);
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-muted);
    cursor: pointer;
    z-index: 10;
    transition: color var(--transition-fast);
}

.close:hover {
    color: var(--text-primary);
}

.modal-project {
    padding: var(--spacing-xl);
}

.project-hero {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

.project-hero-image {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-4xl);
    color: white;
    flex-shrink: 0;
}

.project-hero-content h2 {
    margin: 0 0 var(--spacing-xs) 0;
    text-align: left;
}

.project-subtitle {
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    margin: 0;
}

.project-section {
    margin-bottom: var(--spacing-xl);
}

.project-section h3 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
}

.project-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.project-section ul {
    list-style: none;
    padding: 0;
}

.project-section li {
    color: var(--text-secondary);
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-lg);
    line-height: 1.6;
}

.project-section li::before {
    content: '▶';
    color: var(--accent-primary);
    position: absolute;
    left: 0;
    top: var(--spacing-xs);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.project-metrics-detailed {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.metric-card {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border);
}

.metric-card .metric-value {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--accent-primary);
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-xs);
}

.metric-card .metric-label {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.feature-item i {
    color: var(--accent-primary);
    font-size: var(--font-size-lg);
}

/* Loading Skeletons */
.loading-skeleton {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.skeleton-item,
.skeleton-cert {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.skeleton-item {
    height: 120px;
}

.skeleton-cert {
    height: 150px;
}

.skeleton-item::before,
.skeleton-cert::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255,255,255,0.1),
        transparent
    );
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

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

/* Utilities */
.hidden { display: none !important; }
.sr-only {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0);
    white-space: nowrap; border: 0;
}

/* Scrollbar Styling */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-tertiary); }
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: var(--radius-lg);
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }

/* Motion preferences */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    main { padding: var(--spacing-xl) var(--spacing-lg); }
    .projects-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }
    
    section { padding: var(--spacing-xl); }
    .project-hero { flex-direction: column; text-align: center; }
    .project-hero-content h2 { text-align: center; }
    .timeline::before { left: 30px; }
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 60px;
        margin-right: 0;
        padding-left: var(--spacing-lg);
        padding-right: 0;
        text-align: left;
    }
    .timeline-marker { left: 30px; }
}

@media (max-width: 640px) {
    .hero-buttons { flex-direction: column; align-items: center; }
    .profile-photo { width: 100px; height: 100px; }
    .skills-grid,
    .blog-grid,
    .certifications-grid { grid-template-columns: 1fr; }
    .repos-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); gap: var(--spacing-sm); }
    .form-row { grid-template-columns: 1fr; }
    .section-decoration { right: var(--spacing-sm); width: 40px; height: 40px; }
    .social-links { gap: var(--spacing-sm); }
    .footer-tech { justify-content: center; }
    .modal-content { width: 95%; margin: 10% auto; }
    .theme-toggle { top: 15px; right: 15px; width: 45px; height: 45px; }
    
    .timeline { margin-left: var(--spacing-lg); }
    .timeline::before { left: 0; }
    .timeline-marker { left: 0; }
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: var(--spacing-xl);
        margin-right: 0;
        padding-left: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    main { padding: var(--spacing-lg) var(--spacing-md); }
    .stats-grid { grid-template-columns: 1fr; }
    .project-metrics { flex-direction: column; gap: var(--spacing-sm); }
    .carousel-controls { gap: var(--spacing-md); }
    .testimonial-card { padding: var(--spacing-lg); }
}

/* Print Styles */
@media print {
    body { 
        background: white !important; 
        color: black !important; 
    }
    
    #loading-screen,
    #matrix-canvas,
    #particles-container,
    .theme-toggle,
    #scroll-progress,
    .section-decoration,
    .hero-decoration {
        display: none !important;
    }
    
    section {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        background: white !important;
        break-inside: avoid;
        margin-bottom: 1rem !important;
    }
    
    .project-card,
    .skill-card,
    .cert-card,
    .blog-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    a {
        color: black !important;
        text-decoration: underline !important;
    }
    
    .social-links,
    .carousel-controls,
    .project-actions {
        display: none !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border: #555;
        --shadow: rgba(0, 0, 0, 0.8);
    }
    
    [data-theme="light"] {
        --border: #999;
        --shadow: rgba(0, 0, 0, 0.3);
    }
    
    .profile-photo,
    .skill-card,
    .project-card,
    .cert-card {
        border-width: 2px !important;
    }
}

/* Custom Focus Indicators for Better Accessibility */
.aws-link:focus-visible,
.cta-button:focus-visible,
.social-link:focus-visible,
.project-btn:focus-visible {
    outline: 3px solid var(--accent-gold);
    outline-offset: 2px;
}

.carousel-btn:focus-visible,
.theme-toggle:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 3px;
}

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

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

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

.animate-in {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.stat-card.animate-in {
    animation: scaleIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.timeline-item:nth-child(odd).animate-in {
    animation: slideInFromLeft 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.timeline-item:nth-child(even).animate-in {
    animation: slideInFromLeft 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards reverse;
}

/* Custom Selection Colors */
::selection {
    background-color: rgba(120, 119, 198, 0.3);
    color: var(--text-primary);
}

::-moz-selection {
    background-color: rgba(120, 119, 198, 0.3);
    color: var(--text-primary);
}

/* Performance Optimizations */
.profile-photo,
.project-image,
.blog-image,
.cert-badge,
.skill-icon {
    will-change: transform;
}

.testimonial-track,
.progress-fill {
    will-change: transform, width;
}

/* Additional Visual Enhancements */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(120,119,198,0.03) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
    z-index: -1;
}

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

/* Glassmorphism Enhancement */
.section-decoration::before {
    content: '';
    position: absolute;
    inset: 2px;
    background: inherit;
    border-radius: inherit;
    filter: blur(8px);
    z-index: -1;
    opacity: 0.7;
}

/* Micro-interactions */
.tech-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

.tag:hover {
    transform: scale(1.05);
}

.metric:hover .metric-value {
    transform: scale(1.1);
    color: var(--accent-secondary);
}

/* Advanced Hover States */
.blog-card:hover .blog-placeholder {
    transform: scale(1.1);
}

.cert-card:hover .cert-badge {
    transform: rotate(5deg) scale(1.05);
}

.project-card:hover .project-placeholder {
    transform: scale(1.2) rotate(5deg);
}

/* Loading States */
.loading-skeleton {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Final Touch: Gradient Text Effects */
.hero h1 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .hero h1 {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Ensure proper spacing on all devices */
@media (min-width: 1400px) {
    main {
        max-width: 1300px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}