/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    /* Color Palette - Light Mode (Default) */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-canvas: #f1f5f9;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(15, 23, 42, 0.06);
    --glass-border-hover: rgba(99, 102, 241, 0.3);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    --accent: #4f46e5;
    --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #3b82f6 100%);
    --accent-glow: rgba(79, 70, 229, 0.15);
    --accent-secondary: #d97706;
    --accent-secondary-glow: rgba(217, 119, 6, 0.15);
    
    --success: #059669;
    --success-bg: rgba(5, 150, 105, 0.06);
    
    /* Layout Tokens */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    --cursor-color: #4f46e5;
}

[data-theme="dark"] {
    /* Color Palette - Dark Mode */
    --bg-primary: #080b11;
    --bg-secondary: #0f1524;
    --bg-canvas: #06080d;
    --glass-bg: rgba(15, 23, 42, 0.5);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-border-hover: rgba(99, 102, 241, 0.4);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent: #6366f1; /* Indigo */
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    --accent-glow: rgba(99, 102, 241, 0.35);
    --accent-secondary: #f59e0b; /* Amber */
    --accent-secondary-glow: rgba(245, 158, 11, 0.3);
    
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    
    --cursor-color: #6366f1;
}

/* ==========================================================================
   RESET & GLOBAL RULES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    height: 100%;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.5s ease, color 0.3s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--glass-border-hover);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Selection Highlight */
::selection {
    background-color: var(--accent);
    color: #ffffff;
}

/* Background Canvas */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-color: var(--bg-canvas);
    transition: background-color 0.5s ease;
}

/* Custom Mouse Cursor (Desktop) */
@media (min-width: 1024px) {
    body {
        cursor: none;
    }
    
    a, button, input, select, textarea, .filter-btn {
        cursor: none;
    }

    .custom-cursor {
        width: 40px;
        height: 40px;
        border: 2px solid var(--cursor-color);
        border-radius: 50%;
        position: fixed;
        transform: translate(-50%, -50%);
        pointer-events: none;
        z-index: 9999;
        transition: width 0.2s, height 0.2s, background-color 0.2s, border-color 0.3s;
        transition-timing-function: cubic-bezier(0.1, 0.8, 0.3, 1);
    }

    .custom-cursor-dot {
        width: 8px;
        height: 8px;
        background-color: var(--cursor-color);
        border-radius: 50%;
        position: fixed;
        transform: translate(-50%, -50%);
        pointer-events: none;
        z-index: 10000;
        transition: border-color 0.3s, background-color 0.3s;
    }

    .custom-cursor.hovered {
        width: 60px;
        height: 60px;
        background-color: rgba(99, 102, 241, 0.05);
        border-color: var(--accent);
    }
}

/* ==========================================================================
   LAYOUT UTILITIES & CONTAINER
   ========================================================================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.04);
}

.glass-card:hover {
    border-color: var(--glass-border-hover);
    box-shadow: 0 15px 40px rgba(15, 23, 42, 0.08), 0 0 1px 1px var(--glass-border-hover);
}

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

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.glass-nav {
    position: fixed;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
}

[data-theme="dark"] .glass-nav {
    background: rgba(8, 11, 17, 0.5);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.2rem;
    color: var(--accent);
    margin-right: 0.5rem;
    filter: drop-shadow(0 0 6px var(--accent-glow));
    transition: var(--transition);
}

.logo:hover .logo-icon {
    transform: rotate(-10deg) scale(1.15);
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.logo-text {
    margin: 0 0.1rem;
}

.nav-links {
    display: none;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

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

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

.btn-contact {
    padding: 0.5rem 1.2rem;
    border: 1px solid var(--accent);
    border-radius: var(--radius-md);
    background: transparent;
    transition: var(--transition);
}

.btn-contact:hover {
    background: var(--accent);
    color: #ffffff !important;
    box-shadow: 0 0 15px var(--accent-glow);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

#themeToggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: 1px solid var(--glass-border);
}

#themeToggle:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--accent);
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-btn.open .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-btn.open .bar:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.open .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    z-index: 999;
    padding: 8rem 2rem 2rem;
    transition: var(--transition);
}

.mobile-drawer.open {
    right: 0;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.mobile-nav-link {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.mobile-btn-contact {
    border: 1px solid var(--accent);
    padding: 0.8rem;
    text-align: center;
    border-radius: var(--radius-md);
}

/* ==========================================================================
   BUTTON STYLE SYSTEM
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius-md);
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent-gradient);
    color: #ffffff;
    border: 1px solid transparent;
    box-shadow: 0 4px 14px var(--accent-glow);
}

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

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border-hover);
}

.btn-secondary:hover {
    background: rgba(99, 102, 241, 0.05);
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    padding-top: 11rem;
    padding-bottom: 6rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.hero-section .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-section .container {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

.glow-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-full);
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.developer-name {
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    opacity: 0.9;
    margin-bottom: 0.6rem;
}


@media (min-width: 640px) {
    .hero-title {
        font-size: 3.8rem;
    }
}

.hero-subtitle {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

#typewriter {
    color: var(--text-primary);
    font-weight: 700;
    border-right: 2px solid var(--accent);
    padding-right: 4px;
    animation: blink 0.75s step-end infinite;
}

@keyframes blink {
    from, to { border-color: transparent }
    50% { border-color: var(--accent); }
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 580px;
}

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

/* Hero Visual Console */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.dashboard-mockup {
    width: 100%;
    max-width: 460px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.05);
    backdrop-filter: blur(12px);
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

[data-theme="dark"] .dashboard-mockup {
    background: rgba(15, 23, 42, 0.6);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0.8rem 1.2rem;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(15, 23, 42, 0.03);
}

.dashboard-header .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

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

.dashboard-title {
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: 0.5rem;
}

.dashboard-body {
    padding: 1.5rem;
}

.widget-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.widget {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    border-radius: var(--radius-md);
}

.widget-icon {
    font-size: 1.2rem;
    color: var(--accent);
}

.widget-info {
    display: flex;
    flex-direction: column;
}

.widget-label {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.widget-value {
    font-size: 0.85rem;
    font-weight: 700;
}

.console-box {
    background: #0f172a;
    border-radius: var(--radius-sm);
    padding: 1rem;
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    color: #e2e8f0;
}

[data-theme="dark"] .console-box {
    background: #060913;
}

.console-line {
    margin-bottom: 0.4rem;
}

.console-line:last-child {
    margin-bottom: 0;
}

.c-accent { color: var(--accent); }
.c-success { color: var(--success); }
.c-info { color: #38bdf8; }

.console-line.pulse {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.console-line.pulse::after {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent);
    animation: corePulse 1.5s infinite;
}

@keyframes corePulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* Quick Stats Bar */
.quick-stats {
    border-top: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(12px);
    width: 100%;
    padding: 2.5rem 0;
    margin-top: 5rem;
}

[data-theme="dark"] .quick-stats {
    background: rgba(8, 11, 17, 0.4);
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 640px) {
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .stats-container {
        grid-template-columns: repeat(4, 1fr) auto;
        grid-template-rows: auto;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .stat-divider {
        width: 1px;
        height: 40px;
        background-color: var(--glass-border);
    }
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-number {
    font-family: 'Outfit', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-suffix {
    color: var(--accent);
    font-size: 1.5rem;
    font-weight: 800;
    margin-left: 2px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

/* ==========================================================================
   SECTION COMMON LAYOUTS
   ========================================================================== */
.section {
    position: relative;
}

.section-header {
    margin-bottom: 4rem;
    position: relative;
}

.section-tag {
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    display: inline-block;
    margin-bottom: 0.5rem;
}

.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}

@media (min-width: 640px) {
    .section-title {
        font-size: 2.8rem;
    }
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 900px) {
    .about-grid {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

/* New About Grid with Profile Photo */
.about-grid-new {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: start;
}

@media (min-width: 900px) {
    .about-grid-new {
        grid-template-columns: 280px 1fr;
        gap: 3.5rem;
    }
}

/* Profile Card */
.profile-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 1.5rem;
    gap: 1rem;
    position: sticky;
    top: 100px;
}

.profile-photo-ring {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    padding: 4px;
    background: var(--accent-gradient);
    box-shadow: 0 0 30px var(--accent-glow);
    flex-shrink: 0;
}

.profile-photo {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 3px solid var(--bg-secondary);
    display: block;
}

.profile-card-name {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.01em;
}

.profile-card-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

.profile-card-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.tech-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.73rem;
    font-weight: 700;
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    cursor: default;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    letter-spacing: 0.02em;
}

.tech-tag:hover {
    transform: translateY(-2px) scale(1.05);
}

.tech-tag i {
    font-size: 0.85rem;
}

/* Individual tag colors */
.tag-node {
    background: rgba(104, 160, 99, 0.12);
    color: #68a063;
    border-color: rgba(104, 160, 99, 0.3);
    box-shadow: 0 2px 8px rgba(104, 160, 99, 0.15);
}
.tag-node:hover { box-shadow: 0 4px 16px rgba(104, 160, 99, 0.35); }

.tag-react {
    background: rgba(97, 218, 251, 0.1);
    color: #61dafb;
    border-color: rgba(97, 218, 251, 0.3);
    box-shadow: 0 2px 8px rgba(97, 218, 251, 0.12);
}
.tag-react:hover { box-shadow: 0 4px 16px rgba(97, 218, 251, 0.3); }

.tag-rn {
    background: rgba(32, 178, 236, 0.1);
    color: #20b2ec;
    border-color: rgba(32, 178, 236, 0.3);
    box-shadow: 0 2px 8px rgba(32, 178, 236, 0.12);
}
.tag-rn:hover { box-shadow: 0 4px 16px rgba(32, 178, 236, 0.3); }

.tag-mongo {
    background: rgba(0, 237, 100, 0.08);
    color: #00c96a;
    border-color: rgba(0, 201, 106, 0.3);
    box-shadow: 0 2px 8px rgba(0, 201, 106, 0.12);
}
.tag-mongo:hover { box-shadow: 0 4px 16px rgba(0, 201, 106, 0.3); }

.tag-electron {
    background: rgba(147, 113, 217, 0.1);
    color: #9371d9;
    border-color: rgba(147, 113, 217, 0.3);
    box-shadow: 0 2px 8px rgba(147, 113, 217, 0.12);
}
.tag-electron:hover { box-shadow: 0 4px 16px rgba(147, 113, 217, 0.3); }

.tag-express {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.tag-express:hover { box-shadow: 0 4px 14px rgba(0,0,0,0.2); }

.tag-socket {
    background: rgba(249, 115, 22, 0.1);
    color: #f97316;
    border-color: rgba(249, 115, 22, 0.3);
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.12);
}
.tag-socket:hover { box-shadow: 0 4px 16px rgba(249, 115, 22, 0.3); }

.tag-js {
    background: rgba(247, 223, 30, 0.1);
    color: #c9a800;
    border-color: rgba(247, 223, 30, 0.3);
    box-shadow: 0 2px 8px rgba(247, 223, 30, 0.12);
}
.tag-js:hover { box-shadow: 0 4px 16px rgba(247, 223, 30, 0.3); }

/* ── AI / Special Tags ── */
.tag-ai {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(59, 130, 246, 0.12));
    color: #a78bfa;
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: 0 2px 12px rgba(139, 92, 246, 0.2);
    position: relative;
    overflow: hidden;
    font-weight: 800;
    letter-spacing: 0.04em;
}
.tag-ai::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(167, 139, 250, 0.15), transparent);
    transform: translateX(-100%);
    animation: ai-shimmer 2.5s infinite;
}
@keyframes ai-shimmer {
    100% { transform: translateX(100%); }
}
.tag-ai:hover {
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.45);
    transform: translateY(-2px) scale(1.07);
}

.tag-fraud {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.3);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.12);
}
.tag-fraud:hover { box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3); }

/* ── Backend Tags ── */
.tag-api {
    background: rgba(56, 189, 248, 0.1);
    color: #38bdf8;
    border-color: rgba(56, 189, 248, 0.3);
    box-shadow: 0 2px 8px rgba(56, 189, 248, 0.12);
}
.tag-api:hover { box-shadow: 0 4px 16px rgba(56, 189, 248, 0.3); }

.tag-jwt {
    background: rgba(52, 211, 153, 0.1);
    color: #34d399;
    border-color: rgba(52, 211, 153, 0.3);
    box-shadow: 0 2px 8px rgba(52, 211, 153, 0.12);
}
.tag-jwt:hover { box-shadow: 0 4px 16px rgba(52, 211, 153, 0.3); }

/* ── Database Tags ── */
.tag-mysql {
    background: rgba(251, 146, 60, 0.1);
    color: #fb923c;
    border-color: rgba(251, 146, 60, 0.3);
    box-shadow: 0 2px 8px rgba(251, 146, 60, 0.12);
}
.tag-mysql:hover { box-shadow: 0 4px 16px rgba(251, 146, 60, 0.3); }

/* ── DevOps Tags ── */
.tag-nginx {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.12);
}
.tag-nginx:hover { box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3); }

.tag-pm2 {
    background: rgba(99, 102, 241, 0.1);
    color: #818cf8;
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.12);
}
.tag-pm2:hover { box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3); }

.tag-git {
    background: rgba(249, 115, 22, 0.08);
    color: #fb7740;
    border-color: rgba(249, 115, 22, 0.25);
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.1);
}
.tag-git:hover { box-shadow: 0 4px 16px rgba(249, 115, 22, 0.28); }

.profile-card-socials {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    width: 100%;
    margin-top: 0.25rem;
}

.profile-social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--glass-border-hover);
    color: var(--text-primary);
}

.profile-social-btn:hover {
    background: rgba(99, 102, 241, 0.08);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
}

.profile-availability {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--success);
    background: var(--success-bg);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(5, 150, 105, 0.2);
    margin-top: 0.25rem;
}

.avail-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
    flex-shrink: 0;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.4); }
}

.about-right {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.about-text-wrapper .lead-text {
    font-size: 1.25rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.about-text-wrapper p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.personal-details {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.detail-row {
    display: flex;
    gap: 1rem;
    font-size: 0.95rem;
}

.detail-name {
    font-weight: 700;
    min-width: 150px;
    color: var(--accent);
}

.detail-val {
    color: var(--text-secondary);
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.highlight-box {
    padding: 2rem;
}

.highlight-box h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.highlight-box p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   SKILLS SECTION
   ========================================================================== */
.skills-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 640px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.skill-category-card {
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.skill-category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition);
}

.skill-category-card:hover::before {
    opacity: 1;
}

.skill-category-card .card-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.skill-category-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.skill-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.skill-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.skill-bullet {
    width: 6px;
    height: 6px;
    background-color: var(--accent);
    border-radius: 50%;
}

/* ==========================================================================
   PROJECTS SECTION & CAROUSEL STYLING
   ========================================================================== */
.project-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.filter-btn {
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-md);
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--accent-gradient);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.project-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;
}

/* Carousel Outer Layer */
.project-media {
    position: relative;
    height: 195px;
    overflow: hidden;
    border-bottom: 1px solid var(--glass-border);
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel-track {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.carousel-track .project-img {
    width: 100%;
    height: 100%;
    flex-shrink: 0;
    object-fit: cover;
    pointer-events: none;
    transition: transform 0.5s ease;
}

.project-card:hover .carousel-track .project-img {
    transform: scale(1.04);
}

/* Slide Nav Arrows */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    cursor: pointer;
    z-index: 10;
    opacity: 0;
    transition: var(--transition);
}

.carousel-container:hover .carousel-arrow {
    opacity: 1;
}

.carousel-arrow:hover {
    background: var(--accent);
    border-color: transparent;
}

.carousel-arrow.prev { left: 0.8rem; }
.carousel-arrow.next { right: 0.8rem; }

/* Carousel Index Dots */
.carousel-indicators {
    position: absolute;
    bottom: 0.8rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.4rem;
    z-index: 10;
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius-full);
    background: rgba(15, 23, 42, 0.3);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.carousel-indicators .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.carousel-indicators .dot.active {
    background: var(--accent);
    width: 14px;
    border-radius: 3px;
}

/* Tags & Overlay */
.project-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 2;
}

.overlay-tag {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius-sm);
    background: rgba(5, 150, 105, 0.1);
    border: 1px solid rgba(5, 150, 105, 0.25);
    color: var(--success);
    text-transform: uppercase;
}

[data-theme="dark"] .overlay-tag {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.project-info {
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-info .project-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.project-info h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

.project-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.project-metrics {
    margin-top: auto;
    margin-bottom: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.project-metrics span {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.5rem;
}

.project-tech span {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    background: rgba(15, 23, 42, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

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

.project-links {
    border-top: 1px solid var(--glass-border);
    padding-top: 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project-link {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition);
}

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

.project-link.primary-link {
    color: var(--text-primary);
    font-weight: 800;
}

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

/* ==========================================================================
   GRAPHICAL ECOSYSTEM BLUEPRINT STYLING
   ========================================================================== */
.blueprint-graphical {
    max-width: 960px;
    margin: 3rem auto 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.blueprint-row {
    display: flex;
    width: 100%;
    align-items: stretch;
    position: relative;
    z-index: 2;
}

.blueprint-row.center {
    justify-content: center;
}

.blueprint-row.grid-two-only {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    width: 100%;
}

@media (min-width: 1024px) {
    .blueprint-row.grid-two-only {
        grid-template-columns: repeat(2, 1fr);
        max-width: 800px;
        margin: 0 auto;
    }
}

/* Node Styling */
.graph-node {
    background: var(--glass-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.8rem;
    width: 100%;
    max-width: 440px;
    display: flex;
    gap: 1.2rem;
    transition: var(--transition);
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.04);
}

.graph-node:hover {
    border-color: var(--glass-border-hover);
    box-shadow: 0 15px 40px var(--accent-glow), 0 0 1px 1px var(--glass-border-hover);
    transform: translateY(-4px);
}

/* Main Hub Node (Fleet ERP) Special Glow */
.graph-node.hub-node {
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.06);
}

.graph-node.hub-node:hover {
    border-color: var(--accent);
    box-shadow: 0 15px 40px var(--accent-glow);
}

.node-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-gradient);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.node-body {
    display: flex;
    flex-direction: column;
}

.node-body h5 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.node-sub {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent);
    margin-bottom: 0.8rem;
}

.node-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.node-bullets li {
    font-size: 0.8rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1rem;
    line-height: 1.4;
}

.node-bullets li::before {
    content: '▪';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 0.7rem;
}

/* Connectors & Pipelines */
.blueprint-connector-vertical {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    height: 70px;
    width: 100%;
}

.connector-line {
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent), var(--glass-border-hover));
}

.connector-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent);
    position: absolute;
    top: 0;
    box-shadow: 0 0 10px var(--accent);
    animation: flowDown 3.5s linear infinite;
}

.connector-label {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(15px, -50%);
    font-family: 'Fira Code', monospace;
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
}

@keyframes flowDown {
    0% { top: 0%; opacity: 0; }
    5% { opacity: 1; }
    95% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

/* Clean Vertical Architecture Layout - No horizontal branch wrappers needed */

/* ==========================================================================
   EXPERIENCE ARCHITECTURE TIMELINE
   ========================================================================== */
.timeline-architecture {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .timeline-architecture {
        flex-direction: row;
        align-items: stretch;
        gap: 0;
    }
}

.architecture-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    padding: 1rem;
}

.node-icon {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid var(--glass-border-hover);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.08);
}

.node-content h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.node-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.architecture-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent), var(--glass-border));
    margin: 0 auto;
}

@media (min-width: 768px) {
    .architecture-line {
        width: 100%;
        height: 2px;
        background: linear-gradient(to right, var(--accent), var(--glass-border));
        align-self: center;
        margin: 0 -20px;
        transform: translateY(-30px);
    }
}

/* ==========================================================================
   CONTACT SECTION & FORM
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 900px) {
    .contact-grid {
        grid-template-columns: 0.9fr 1.1fr;
    }
}

.contact-info-panel h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-info-panel p {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.method-item {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.method-icon {
    width: 50px;
    height: 50px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent);
}

.method-text {
    display: flex;
    flex-direction: column;
}

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

.method-text strong {
    font-size: 1rem;
    color: var(--text-primary);
}

/* Form Styling */
.contact-form-wrapper {
    padding: 2.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.form-group input, .form-group textarea {
    padding: 0.8rem 1.2rem;
    background: #ffffff;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

[data-theme="dark"] .form-group input, [data-theme="dark"] .form-group textarea {
    background: rgba(8, 11, 17, 0.4);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.1);
}

.btn-submit {
    width: 100%;
    justify-content: center;
    border: none;
    cursor: pointer;
}

/* Form success box */
.form-status-box {
    display: flex;
    gap: 1.2rem;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    animation: slideIn 0.4s ease-out forwards;
}

.success-box {
    background-color: var(--success-bg);
    border: 1px solid rgba(5, 150, 105, 0.2);
}

.success-box i {
    font-size: 1.8rem;
    color: var(--success);
}

.success-box h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.success-box p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.hidden {
    display: none !important;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer {
    border-top: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(12px);
    padding: 3rem 0;
    margin-top: 6rem;
}

[data-theme="dark"] footer {
    background: rgba(8, 11, 17, 0.5);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .footer-container {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

footer p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.footer-socials {
    display: flex;
    gap: 1.2rem;
}

.footer-socials a {
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: var(--transition);
}

.footer-socials a:hover {
    color: var(--accent);
}

/* ==========================================================================
   INTERACTIVE CONSOLE & BLUEPRINT TOOLTIPS
   ========================================================================== */
.console-input-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 0.5rem;
}

#consoleInput {
    background: transparent;
    border: none;
    outline: none;
    color: #ffffff;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    width: 100%;
    caret-color: var(--accent);
}

.console-history {
    max-height: 160px;
    overflow-y: auto;
    scrollbar-width: thin;
}

/* Payload Tooltip for Vertical Connectors */
.blueprint-connector-vertical {
    position: relative;
    cursor: pointer;
}

.payload-tooltip {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-md);
    padding: 1rem;
    width: 320px;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    text-align: left;
}

.blueprint-connector-vertical:hover .payload-tooltip {
    opacity: 1;
    pointer-events: all;
    transform: translate(-50%, -50%) scale(1);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px var(--accent-glow);
}

.payload-header {
    font-family: 'Outfit', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.25rem;
}

.payload-tooltip pre {
    margin: 0;
    background: transparent;
    padding: 0;
}

.payload-tooltip code {
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    color: #e2e8f0;
}