/* ==========================================================================
   Kerthik S - DevOps & Data Science Portfolio Stylesheet
   Dual Theme System: Original Dark Cyber Cyan & Pristine White Theme
   ========================================================================== */

/* White Theme (Pristine Light Mode - Default) */
:root, [data-theme="light"] {
    --bg-dark: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #ffffff;
    --bg-alt: #f1f5f9;
    --bg-terminal: #0f172a;
    
    --border-color: rgba(203, 213, 225, 0.8);
    --border-glow: rgba(2, 132, 199, 0.4);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    --cyan-primary: #0284c7;
    --cyan-light: #0ea5e9;
    --emerald-success: #059669;
    --amber-warning: #d97706;
    --rose-danger: #e11d48;
    --indigo-accent: #2563eb;
    --purple-glow: #7c3aed;

    --glow-color-1: rgba(2, 132, 199, 0.12);
    --glow-color-2: rgba(37, 99, 235, 0.1);
    --glow-color-3: rgba(124, 58, 237, 0.1);

    --card-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
    --card-shadow-hover: 0 15px 35px rgba(2, 132, 199, 0.15);

    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Fira Code', monospace;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme (Original Cyber Cyan) */
[data-theme="dark"] {
    --bg-dark: #070a12;
    --bg-card: rgba(15, 23, 42, 0.75);
    --bg-card-hover: rgba(24, 36, 64, 0.85);
    --bg-alt: #0a0f1d;
    --bg-terminal: #070b14;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(6, 182, 212, 0.3);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --cyan-primary: #06b6d4;
    --cyan-light: #22d3ee;
    --emerald-success: #10b981;
    --amber-warning: #f59e0b;
    --rose-danger: #f43f5e;
    --indigo-accent: #6366f1;
    --purple-glow: #8b5cf6;

    --glow-color-1: rgba(6, 182, 212, 0.35);
    --glow-color-2: rgba(99, 102, 241, 0.3);
    --glow-color-3: rgba(139, 92, 246, 0.3);

    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --card-shadow-hover: 0 12px 40px 0 rgba(6, 182, 212, 0.2);
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Background Effects */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-size: 40px 40px;
    background-image: 
        linear-gradient(to right, rgba(15, 23, 42, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(15, 23, 42, 0.03) 1px, transparent 1px);
    pointer-events: none;
    z-index: -2;
}

[data-theme="dark"] .bg-grid {
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
}

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    pointer-events: none;
    z-index: -1;
    opacity: 0.35;
    transition: background var(--transition-normal);
}

.bg-glow-1 {
    top: -10%;
    left: 20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--glow-color-1) 0%, transparent 70%);
}

.bg-glow-2 {
    top: 40%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--glow-color-2) 0%, transparent 70%);
}

.bg-glow-3 {
    bottom: -10%;
    left: 10%;
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, var(--glow-color-3) 0%, transparent 70%);
}

/* Reusable Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Glassmorphism Card Style */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
}

.glass-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--card-shadow-hover);
}

/* Typography Utilities */
.gradient-text {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--cyan-light) 50%, var(--indigo-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-cyan { color: var(--cyan-light); }
.text-success { color: var(--emerald-success); }
.text-warning { color: var(--amber-warning); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--cyan-primary), var(--indigo-accent));
    color: #ffffff;
    box-shadow: 0 4px 14px var(--border-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--border-glow);
}

.btn-secondary {
    background: rgba(15, 23, 42, 0.05);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .btn-secondary {
    background: rgba(255, 255, 255, 0.06);
}

.btn-secondary:hover {
    background: rgba(15, 23, 42, 0.1);
    border-color: var(--cyan-light);
    transform: translateY(-2px);
}

[data-theme="dark"] .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-outline {
    background: transparent;
    color: var(--cyan-light);
    border-color: var(--border-glow);
}

.btn-outline:hover {
    background: rgba(2, 132, 199, 0.08);
    border-color: var(--cyan-light);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

.btn-copy-small {
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    background: rgba(15, 23, 42, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

[data-theme="dark"] .btn-copy-small {
    background: rgba(255, 255, 255, 0.08);
}

.btn-copy-small:hover {
    color: var(--cyan-light);
    border-color: var(--cyan-light);
    background: rgba(2, 132, 199, 0.1);
}

/* Header Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: var(--bg-dark);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-prompt {
    color: var(--cyan-light);
}

.accent-dot {
    color: var(--cyan-light);
}

.nav-links {
    display: flex;
    gap: 1.75rem;
}

.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-item:hover, .nav-item.active {
    color: var(--cyan-light);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

/* Dark / Light Mode Toggle Button */
.theme-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(15, 23, 42, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

[data-theme="dark"] .theme-toggle-btn {
    background: rgba(255, 255, 255, 0.06);
}

.theme-toggle-btn:hover {
    border-color: var(--cyan-light);
    color: var(--cyan-light);
    transform: translateY(-1px);
}

[data-theme="dark"] .sun-icon { display: block; color: var(--amber-warning); }
[data-theme="dark"] .moon-icon { display: none; }

[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; color: var(--indigo-accent); }

.theme-mode-text {
    font-size: 0.8rem;
}

.btn-terminal-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(15, 23, 42, 0.05);
    color: var(--cyan-light);
    border: 1px solid var(--border-glow);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

[data-theme="dark"] .btn-terminal-toggle {
    background: rgba(255, 255, 255, 0.05);
}

.btn-terminal-toggle:hover {
    background: rgba(2, 132, 199, 0.1);
    box-shadow: 0 0 12px var(--border-glow);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero-section {
    padding: 9rem 0 5rem 0;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--emerald-success);
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--emerald-success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--emerald-success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.typing-container {
    font-family: var(--font-mono);
    font-size: 1.35rem;
    color: var(--cyan-light);
    margin-bottom: 1.25rem;
    min-height: 2.2rem;
}

.typing-dynamic {
    font-weight: 600;
}

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

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

.hero-description {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 2rem;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-quick-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.meta-item a {
    color: var(--text-secondary);
    text-decoration: none;
}

.meta-item a:hover {
    color: var(--cyan-light);
}

/* Terminal Component */
.terminal-card {
    background: var(--bg-terminal);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    font-family: var(--font-mono);
}

.terminal-header {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.6rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-title {
    color: #94a3b8;
    font-size: 0.8rem;
}

.terminal-badge {
    background: rgba(255, 255, 255, 0.1);
    color: #38bdf8;
    font-size: 0.7rem;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
}

.terminal-body {
    padding: 1.25rem;
    font-size: 0.88rem;
    color: #f8fafc;
    max-height: 380px;
    overflow-y: auto;
    line-height: 1.7;
}

.t-prompt { color: #38bdf8; margin-right: 0.4rem; }
.t-cmd { color: #f8fafc; font-weight: 600; }
.t-output { color: #cbd5e1; margin-bottom: 0.5rem; padding-left: 0.5rem; border-left: 2px solid #38bdf8; }
.t-highlight { color: #38bdf8; font-weight: 600; }
.t-muted { color: #64748b; }
.t-key { color: #38bdf8; }
.t-val { color: #34d399; }
.t-json { color: #cbd5e1; background: rgba(0, 0, 0, 0.4); padding: 0.5rem 0.8rem; border-radius: var(--radius-sm); margin: 0.4rem 0 0.8rem 0; font-size: 0.82rem; }

.interactive-input-line {
    display: flex;
    align-items: center;
    margin-top: 0.5rem;
}

.terminal-input {
    background: transparent;
    border: none;
    outline: none;
    color: #38bdf8;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    flex: 1;
    width: 100%;
}

/* Stats Section */
.stats-section {
    padding: 2.5rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.stat-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.stat-icon-wrapper {
    color: var(--cyan-light);
    background: rgba(2, 132, 199, 0.08);
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.stat-number, .stat-number-text {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--cyan-light);
    margin-bottom: 0.2rem;
}

.stat-detail {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Section Padding & Headings */
.section-padding {
    padding: 6rem 0;
}

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

.section-header {
    margin-bottom: 3.5rem;
}

.section-subtitle {
    font-family: var(--font-mono);
    color: var(--cyan-light);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.section-description {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0.75rem auto 0 auto;
}

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

/* About Grid */
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.about-card {
    padding: 2rem;
}

.about-icon {
    color: var(--cyan-light);
    margin-bottom: 1.25rem;
}

.about-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: rgba(15, 23, 42, 0.05);
    border: 1px solid var(--border-color);
    color: var(--cyan-light);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
}

[data-theme="dark"] .tag {
    background: rgba(255, 255, 255, 0.05);
}

/* Experience Timeline */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    height: 100%;
    width: 2px;
    background: linear-gradient(to bottom, var(--cyan-primary), rgba(15, 23, 42, 0.1));
}

.timeline-item {
    position: relative;
    padding-left: 50px;
    margin-bottom: 2rem;
}

.timeline-dot {
    position: absolute;
    left: 13px;
    top: 25px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--cyan-primary);
    box-shadow: 0 0 12px var(--cyan-primary);
    border: 3px solid var(--bg-dark);
}

.timeline-content {
    padding: 2rem;
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.exp-role {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
}

.exp-company {
    display: flex;
    gap: 0.5rem;
    color: var(--cyan-light);
    font-weight: 600;
    font-size: 0.95rem;
}

.exp-date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    background: rgba(15, 23, 42, 0.04);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
}

[data-theme="dark"] .exp-date {
    background: rgba(255, 255, 255, 0.04);
}

.exp-bullet-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.exp-bullet-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.exp-bullet-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--cyan-light);
}

.exp-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.badge-metric {
    background: rgba(2, 132, 199, 0.08);
    border: 1px solid var(--border-glow);
    color: var(--cyan-light);
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    font-weight: 600;
}

/* Projects Showcase */
.project-featured-card {
    padding: 2.5rem;
    margin-bottom: 3rem;
}

.project-header {
    margin-bottom: 1.5rem;
}

.project-badge {
    display: inline-block;
    background: rgba(2, 132, 199, 0.08);
    border: 1px solid var(--border-glow);
    color: var(--cyan-light);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.project-title {
    font-size: 1.85rem;
    font-weight: 800;
    margin-bottom: 0.3rem;
}

.project-tagline {
    color: var(--cyan-light);
    font-weight: 600;
    font-size: 1rem;
}

.project-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
    align-items: center;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.98rem;
    margin-bottom: 1.25rem;
}

.project-features-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.feature-item svg {
    color: var(--emerald-success);
    flex-shrink: 0;
    margin-top: 3px;
}

.tech-stack-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.pill {
    background: rgba(2, 132, 199, 0.08);
    border: 1px solid var(--border-color);
    color: var(--cyan-light);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-full);
}

/* Architecture Box */
.project-arch-box {
    background: rgba(15, 23, 42, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
}

[data-theme="dark"] .project-arch-box {
    background: rgba(0, 0, 0, 0.4);
}

.arch-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    text-transform: uppercase;
}

.arch-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.arch-node {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    width: 100%;
    justify-content: center;
}

.arch-arrow {
    color: var(--cyan-light);
    font-size: 1rem;
}

.arch-subrow {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    width: 100%;
    margin-top: 0.5rem;
}

.arch-subrow .arch-node {
    padding: 0.4rem 0.2rem;
    font-size: 0.72rem;
    flex-direction: column;
    gap: 0.2rem;
}

/* Audit Engine Interactive Simulator Widget */
.audit-demo-container {
    padding: 2rem;
    border-color: var(--border-glow);
}

.demo-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.demo-badge {
    color: var(--cyan-light);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 0.2rem;
}

.audit-controls {
    margin-bottom: 1.25rem;
}

.control-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.region-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox-tag {
    font-size: 0.85rem;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(15, 23, 42, 0.03);
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .checkbox-tag {
    background: rgba(255, 255, 255, 0.04);
}

.audit-results-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.6fr;
    gap: 1.5rem;
}

.audit-log-terminal {
    background: var(--bg-terminal);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.log-header {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #94a3b8;
}

.log-console {
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    height: 180px;
    overflow-y: auto;
}

.log-entry {
    margin-bottom: 0.4rem;
}

.audit-summary-cards {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mini-summary-card {
    background: rgba(15, 23, 42, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    text-align: center;
}

[data-theme="dark"] .mini-summary-card {
    background: rgba(0, 0, 0, 0.3);
}

.summary-val {
    font-size: 1.6rem;
    font-weight: 800;
}

.summary-lbl {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* Blog Spotlight */
.blog-featured-card {
    padding: 2.5rem;
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.blog-icon {
    color: var(--cyan-light);
    background: rgba(2, 132, 199, 0.08);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glow);
}

.blog-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
}

.blog-series-badge {
    font-family: var(--font-mono);
    color: var(--cyan-light);
    font-weight: 700;
}

.blog-author {
    color: var(--text-muted);
}

.blog-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.blog-excerpt {
    color: var(--text-secondary);
    font-size: 0.98rem;
    margin-bottom: 1.25rem;
}

.blog-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.topic-pill {
    background: rgba(15, 23, 42, 0.04);
    color: var(--text-secondary);
    font-size: 0.78rem;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .topic-pill {
    background: rgba(255, 255, 255, 0.05);
}

/* Skills Matrix Section */
.skills-filter-tabs {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.filter-tab {
    background: rgba(15, 23, 42, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

[data-theme="dark"] .filter-tab {
    background: rgba(255, 255, 255, 0.05);
}

.filter-tab:hover, .filter-tab.active {
    background: var(--cyan-primary);
    color: #ffffff;
    border-color: var(--cyan-primary);
    box-shadow: 0 4px 14px var(--border-glow);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.skill-card {
    padding: 1.5rem;
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.skill-icon {
    font-size: 1.5rem;
}

.skill-header h4 {
    font-size: 1.1rem;
    font-weight: 700;
}

.skill-desc {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-bottom: 1rem;
    min-height: 2.6rem;
}

.skill-level-bar {
    height: 4px;
    background: rgba(15, 23, 42, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

[data-theme="dark"] .skill-level-bar {
    background: rgba(255, 255, 255, 0.1);
}

.level-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--cyan-primary), var(--cyan-light));
    border-radius: 2px;
}

/* Education Section */
.education-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.edu-card {
    padding: 2.25rem;
    position: relative;
}

.edu-badge {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--cyan-light);
    background: rgba(2, 132, 199, 0.08);
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
}

.edu-icon {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.edu-degree {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    padding-right: 6rem;
}

.edu-institution {
    color: var(--cyan-light);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.edu-location {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.edu-desc {
    color: var(--text-secondary);
    font-size: 0.92rem;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.contact-info-card, .contact-form-card {
    padding: 2.5rem;
}

.contact-info-card h3, .contact-form-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.contact-subtext {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-method-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(15, 23, 42, 0.02);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .contact-method-item {
    background: rgba(0, 0, 0, 0.25);
}

.method-icon {
    color: var(--cyan-light);
    background: rgba(2, 132, 199, 0.08);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
}

.method-details {
    flex: 1;
}

.method-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.method-value {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
}

.method-value:hover {
    color: var(--cyan-light);
}

/* Contact Form */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    background: rgba(15, 23, 42, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast);
}

[data-theme="dark"] .form-group input, [data-theme="dark"] .form-group textarea {
    background: rgba(0, 0, 0, 0.4);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--cyan-light);
    box-shadow: 0 0 10px var(--border-glow);
}

.form-feedback {
    margin-top: 1rem;
    font-size: 0.9rem;
    text-align: center;
}

/* Footer */
.footer {
    padding: 2.5rem 0;
    border-top: 1px solid var(--border-color);
    background: var(--bg-dark);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-logo {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.1rem;
}

/* Modals */
.terminal-modal, .blog-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(12px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.terminal-modal.active, .blog-modal.active {
    display: flex;
}

.terminal-modal-content {
    width: 100%;
    max-width: 800px;
    height: 500px;
    background: var(--bg-terminal);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-term-body {
    flex: 1;
    max-height: none;
}

.modal-close-icon {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

.modal-close-icon:hover {
    color: var(--rose-danger);
}

.blog-modal-card {
    max-width: 650px;
    width: 100%;
    padding: 2rem;
}

.blog-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.blog-modal-header h3 {
    font-size: 1.35rem;
    font-weight: 800;
}

.blog-modal-series-tag {
    font-family: var(--font-mono);
    color: var(--cyan-light);
    font-size: 0.78rem;
    margin-bottom: 1rem;
}

.blog-modal-body h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin: 1rem 0 0.4rem 0;
}

.blog-modal-body p {
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.blog-modal-body code {
    background: rgba(15, 23, 42, 0.08);
    color: var(--cyan-light);
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    font-family: var(--font-mono);
}

[data-theme="dark"] .blog-modal-body code {
    background: rgba(255, 255, 255, 0.08);
}

.blog-modal-takeaway {
    margin-top: 1.25rem;
    padding: 0.75rem 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-md);
    color: var(--emerald-success);
    font-size: 0.9rem;
}

.blog-modal-footer {
    margin-top: 1.5rem;
    text-align: right;
}

/* Notification Toast */
.toast-notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--cyan-primary);
    color: #ffffff;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 8px 24px var(--border-glow);
    z-index: 3000;
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-normal);
}

.toast-notification.show {
    transform: translateY(0);
    opacity: 1;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-grid, .project-grid, .contact-grid, .about-grid, .education-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 2.5rem;
    }
    
    .audit-results-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 250px;
        height: calc(100vh - 70px);
        background: var(--bg-dark);
        border-left: 1px solid var(--border-color);
        flex-direction: column;
        padding: 2rem;
        transition: right var(--transition-normal);
    }

    .nav-links.active {
        right: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .blog-featured-card {
        flex-direction: column;
    }
    
    .edu-degree {
        padding-right: 0;
    }
    
    .edu-badge {
        position: static;
        display: inline-block;
        margin-bottom: 0.75rem;
    }
}