/* ============================================
   CODEXSOTO - STARK INDUSTRIES THEME
   Futuristic HUD Design inspired by Iron Man
   ============================================ */

/* === CSS Variables === */
:root {
    /* Stark Industries Colors */
    --stark-blue: #00d4ff;
    --stark-blue-dark: #0099cc;
    --stark-blue-glow: rgba(0, 212, 255, 0.3);
    --stark-blue-dim: rgba(0, 212, 255, 0.1);
    
    --stark-red: #ff3e3e;
    --stark-red-glow: rgba(255, 62, 62, 0.3);
    
    --stark-gold: #ffd700;
    --stark-gold-glow: rgba(255, 215, 0, 0.3);
    
    --arc-reactor: #4fc3f7;
    --arc-reactor-glow: rgba(79, 195, 247, 0.5);
    
    /* Background Colors */
    --bg-void: #000408;
    --bg-dark: #0a0e14;
    --bg-panel: rgba(0, 20, 40, 0.8);
    --bg-card: rgba(0, 30, 60, 0.6);
    --bg-glass: rgba(0, 50, 80, 0.3);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a0d4e8;
    --text-muted: #5a8a9a;
    --text-glow: #00d4ff;
    
    /* Border & Lines */
    --border-glow: rgba(0, 212, 255, 0.5);
    --border-dim: rgba(0, 212, 255, 0.2);
    --grid-line: rgba(0, 212, 255, 0.05);
    
    /* Gradients */
    --gradient-stark: linear-gradient(135deg, #00d4ff 0%, #0066ff 50%, #00d4ff 100%);
    --gradient-hud: linear-gradient(180deg, rgba(0,212,255,0.1) 0%, transparent 100%);
    --gradient-panel: linear-gradient(135deg, rgba(0,30,60,0.9) 0%, rgba(0,20,40,0.9) 100%);
    
    /* Shadows & Glows */
    --shadow-neon: 0 0 20px rgba(0, 212, 255, 0.5), 0 0 40px rgba(0, 212, 255, 0.3);
    --shadow-panel: 0 8px 32px rgba(0, 0, 0, 0.5);
    --glow-intense: 0 0 30px rgba(0, 212, 255, 0.8);
    
    /* Typography */
    --font-main: 'Rajdhani', 'Orbitron', 'Inter', sans-serif;
    --font-mono: 'Share Tech Mono', 'JetBrains Mono', monospace;
    --font-display: 'Orbitron', 'Rajdhani', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-hud: 2px;
}

/* === Google Fonts Import === */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Rajdhani:wght@300;400;500;600;700&family=Share+Tech+Mono&display=swap');

/* === Base Styles === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--bg-void);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Animated Grid Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 50px 50px; }
}

/* Scanning Line Effect */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--stark-blue), transparent);
    animation: scanLine 4s linear infinite;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.5;
}

@keyframes scanLine {
    0% { top: 0; opacity: 0; }
    10% { opacity: 0.5; }
    90% { opacity: 0.5; }
    100% { top: 100%; opacity: 0; }
}

::selection {
    background: var(--stark-blue);
    color: var(--bg-void);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
    border-left: 1px solid var(--border-dim);
}

::-webkit-scrollbar-thumb {
    background: var(--stark-blue);
    border-radius: 0;
    box-shadow: var(--shadow-neon);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--stark-blue-dark);
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 2px;
}

p {
    color: var(--text-secondary);
    font-weight: 300;
}

a {
    color: var(--stark-blue);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--text-primary);
    text-shadow: var(--shadow-neon);
}

/* === HUD Frame Corners === */
.hud-frame {
    position: relative;
}

.hud-frame::before,
.hud-frame::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--stark-blue);
    pointer-events: none;
}

.hud-frame::before {
    top: 0;
    left: 0;
    border-right: none;
    border-bottom: none;
}

.hud-frame::after {
    bottom: 0;
    right: 0;
    border-left: none;
    border-top: none;
}

/* === Navbar - HUD Style === */
.tech-navbar {
    background: linear-gradient(180deg, rgba(0, 20, 40, 0.95) 0%, rgba(0, 10, 20, 0.9) 100%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glow);
    padding: 0.5rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.tech-navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--stark-blue), transparent);
    animation: navGlow 3s ease-in-out infinite;
}

@keyframes navGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.tech-logo {
    display: flex;
    align-items: center;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary) !important;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.navbar-logo {
    height: 40px;
    width: auto;
    transition: var(--transition-fast);
    filter: drop-shadow(0 0 5px rgba(0, 212, 255, 0.3));
}

.navbar-logo:hover {
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.6));
    transform: scale(1.05);
}

.logo-bracket {
    color: var(--stark-blue);
    text-shadow: var(--shadow-neon);
}

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

.logo-accent {
    color: var(--stark-blue);
    text-shadow: 0 0 10px var(--stark-blue);
}

.tech-navbar .nav-link {
    color: var(--text-secondary) !important;
    font-family: var(--font-main);
    font-weight: 500;
    font-size: 0.85rem;
    padding: 0.5rem 1rem !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-fast);
    position: relative;
    border: 1px solid transparent;
}

.tech-navbar .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--stark-blue);
    transition: var(--transition-fast);
    transform: translateX(-50%);
    box-shadow: var(--shadow-neon);
}

.tech-navbar .nav-link:hover::before,
.tech-navbar .nav-link.active::before {
    width: 80%;
}

.tech-navbar .nav-link:hover,
.tech-navbar .nav-link.active {
    color: var(--stark-blue) !important;
    text-shadow: 0 0 10px var(--stark-blue-glow);
}

.btn-login {
    background: transparent !important;
    border: 1px solid var(--stark-blue) !important;
    color: var(--stark-blue) !important;
    padding: 0.5rem 1.5rem !important;
    font-family: var(--font-main) !important;
    font-weight: 600 !important;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--stark-blue-glow), transparent);
    transition: var(--transition-normal);
}

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

.btn-login:hover {
    background: var(--stark-blue-dim) !important;
    box-shadow: var(--shadow-neon);
}

/* === Hero Section - Arc Reactor Style === */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: 
        radial-gradient(ellipse at 50% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 100, 255, 0.1) 0%, transparent 40%),
        var(--bg-void);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

/* Floating Particles */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(2px 2px at 20px 30px, var(--stark-blue), transparent),
                      radial-gradient(2px 2px at 40px 70px, var(--stark-blue-dim), transparent),
                      radial-gradient(1px 1px at 90px 40px, var(--text-primary), transparent),
                      radial-gradient(2px 2px at 130px 80px, var(--stark-blue), transparent),
                      radial-gradient(1px 1px at 160px 120px, var(--stark-blue-dim), transparent);
    background-size: 200px 200px;
    animation: particleFloat 20s linear infinite;
    opacity: 0.5;
    pointer-events: none;
}

@keyframes particleFloat {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(-200px) rotate(360deg); }
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--bg-panel);
    border: 1px solid var(--border-glow);
    color: var(--stark-blue);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 10px var(--stark-blue-glow); }
    50% { box-shadow: 0 0 20px var(--stark-blue-glow), 0 0 30px var(--stark-blue-dim); }
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--stark-blue);
    border-radius: 50%;
    animation: dotBlink 1s ease-in-out infinite;
    box-shadow: 0 0 10px var(--stark-blue);
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 4px;
}

.hero-title .highlight {
    display: block;
    color: var(--stark-blue);
    text-shadow: 
        0 0 10px var(--stark-blue),
        0 0 20px var(--stark-blue-glow),
        0 0 40px var(--stark-blue-dim);
    animation: textGlow 2s ease-in-out infinite alternate;
}

@keyframes textGlow {
    0% { 
        text-shadow: 0 0 10px var(--stark-blue), 0 0 20px var(--stark-blue-glow);
        filter: brightness(1);
    }
    100% { 
        text-shadow: 0 0 20px var(--stark-blue), 0 0 40px var(--stark-blue-glow), 0 0 60px var(--stark-blue-dim);
        filter: brightness(1.2);
    }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
    line-height: 1.8;
}

/* HUD Buttons */
.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-neon {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: transparent;
    border: 2px solid var(--stark-blue);
    color: var(--stark-blue);
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
    clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
}

.btn-neon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--stark-blue);
    transform: translateX(-100%);
    transition: var(--transition-normal);
    z-index: -1;
}

.btn-neon:hover {
    color: var(--bg-void);
    box-shadow: var(--shadow-neon);
}

.btn-neon:hover::before {
    transform: translateX(0);
}

.btn-outline-neon {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-outline-neon:hover {
    border-color: var(--stark-blue);
    color: var(--stark-blue);
    box-shadow: inset 0 0 20px var(--stark-blue-dim);
}

/* Hero Stats - HUD Display */
.hero-stats {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-dim);
}

.hero-stat {
    text-align: center;
    padding: 1rem;
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    min-width: 100px;
    position: relative;
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

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

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

.hero-stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--stark-blue);
    text-shadow: 0 0 10px var(--stark-blue-glow);
}

.hero-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 0.25rem;
}

/* Hero Visual - Holographic Code Card */
.hero-visual {
    position: relative;
    perspective: 1000px;
}

.code-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-hud);
    overflow: hidden;
    transform: rotateY(-5deg) rotateX(5deg);
    transition: var(--transition-normal);
    box-shadow: 
        var(--shadow-panel),
        0 0 30px var(--stark-blue-dim),
        inset 0 0 30px rgba(0, 212, 255, 0.05);
}

.code-card:hover {
    transform: rotateY(0) rotateX(0);
    box-shadow: 
        var(--shadow-panel),
        var(--shadow-neon);
}

.code-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: linear-gradient(90deg, var(--bg-dark), var(--bg-panel));
    border-bottom: 1px solid var(--border-dim);
}

.code-card-header .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.code-card-header .dot.red { background: #ff5f56; box-shadow: 0 0 5px #ff5f56; }
.code-card-header .dot.yellow { background: #ffbd2e; box-shadow: 0 0 5px #ffbd2e; }
.code-card-header .dot.green { background: #27ca40; box-shadow: 0 0 5px #27ca40; }

.code-card-header .filename {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: auto;
}

.code-card-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    background: 
        linear-gradient(90deg, var(--border-dim) 1px, transparent 1px) 0 0,
        linear-gradient(var(--border-dim) 1px, transparent 1px) 0 0;
    background-size: 20px 20px;
}

.code-card-body .keyword { color: #ff79c6; }
.code-card-body .class-name { color: var(--stark-blue); text-shadow: 0 0 5px var(--stark-blue-glow); }
.code-card-body .function { color: #50fa7b; }
.code-card-body .string { color: #f1fa8c; }

/* === Section Styles === */
.section-padding {
    padding: 100px 0;
    position: relative;
}

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

.section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--stark-blue);
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 1rem;
    padding: 5px 15px;
    border: 1px solid var(--border-glow);
    background: var(--bg-panel);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.section-title .highlight {
    color: var(--stark-blue);
    text-shadow: 0 0 10px var(--stark-blue-glow);
}

/* === Service Cards - HUD Panels === */
.service-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    padding: 2rem;
    height: 100%;
    position: relative;
    transition: var(--transition-normal);
    clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--stark-blue), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.service-card:hover {
    border-color: var(--stark-blue);
    background: linear-gradient(135deg, var(--bg-panel), rgba(0, 212, 255, 0.05));
    box-shadow: var(--shadow-neon), inset 0 0 30px var(--stark-blue-dim);
}

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

.service-card.featured {
    border-color: var(--stark-blue);
}

.service-card.featured::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    border: 1px solid var(--border-dim);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--stark-blue);
    transition: var(--transition-normal);
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.service-card:hover .service-icon {
    background: var(--stark-blue);
    color: var(--bg-void);
    box-shadow: var(--shadow-neon);
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* === Catalog Section - Templates & Designs === */
.catalog-section {
    position: relative;
    overflow: hidden;
}

.catalog-section::before {
    content: 'CATALOG';
    position: absolute;
    top: 50%;
    right: -5%;
    transform: translateY(-50%);
    font-family: var(--font-display);
    font-size: 12vw;
    font-weight: 900;
    color: var(--border-dim);
    opacity: 0.03;
    white-space: nowrap;
    pointer-events: none;
}

.catalog-content .section-label {
    color: var(--stark-blue);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.catalog-content .section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.catalog-content .lead {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

.catalog-features {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.catalog-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 1rem;
    display: flex;
    align-items: center;
}

.catalog-features li i {
    color: var(--stark-blue);
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

.text-neon {
    color: var(--stark-blue) !important;
}

/* Catalog Card Visual */
.catalog-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.catalog-card {
    background: var(--gradient-panel);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-neon), var(--shadow-panel);
    width: 100%;
    max-width: 450px;
    overflow: hidden;
    transition: var(--transition-normal);
}

.catalog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-intense), var(--shadow-panel);
}

.catalog-card-header {
    background: rgba(0, 0, 0, 0.3);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-dim);
}

.catalog-card-header .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.catalog-card-header .dot.red {
    background: #ff5f56;
    box-shadow: 0 0 8px rgba(255, 95, 86, 0.5);
}

.catalog-card-header .dot.yellow {
    background: #ffbd2e;
    box-shadow: 0 0 8px rgba(255, 189, 46, 0.5);
}

.catalog-card-header .dot.green {
    background: #27c93f;
    box-shadow: 0 0 8px rgba(39, 201, 63, 0.5);
}

.catalog-card-header .filename {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.catalog-card-body {
    padding: 2rem;
}

.catalog-preview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.catalog-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--border-dim);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    text-align: center;
}

.catalog-item:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--stark-blue);
    transform: translateY(-3px);
}

.catalog-item i {
    font-size: 2rem;
    color: var(--stark-blue);
    margin-bottom: 0.75rem;
    text-shadow: var(--shadow-neon);
}

.catalog-item span {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Responsive adjustments for catalog */
@media (max-width: 991px) {
    .catalog-content {
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .catalog-features {
        display: inline-block;
        text-align: left;
    }
    
    .catalog-content .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .catalog-preview {
        grid-template-columns: 1fr;
    }
    
    .catalog-card {
        max-width: 100%;
    }
}

/* === About Section - Stark Industries Profile === */
.about-section {
    padding: 100px 0;
    background: 
        radial-gradient(ellipse at 30% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        var(--bg-void);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: 'STARK INDUSTRIES';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 15vw;
    font-weight: 900;
    color: var(--border-dim);
    opacity: 0.03;
    white-space: nowrap;
    pointer-events: none;
}

.about-image-container {
    position: relative;
    display: inline-block;
}

/* Arc Reactor Frame */
.about-image-container::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid var(--stark-blue);
    border-radius: 50%;
    animation: arcRotate 10s linear infinite;
    box-shadow: var(--shadow-neon);
}

.about-image-container::after {
    content: '';
    position: absolute;
    top: -30px;
    left: -30px;
    right: -30px;
    bottom: -30px;
    border: 1px dashed var(--border-dim);
    border-radius: 50%;
    animation: arcRotate 15s linear infinite reverse;
}

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

.about-image {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--stark-blue);
    box-shadow: 
        0 0 30px var(--stark-blue-glow),
        0 0 60px var(--stark-blue-dim),
        inset 0 0 30px rgba(0, 212, 255, 0.1);
    transition: var(--transition-slow);
    filter: saturate(1.1);
}

.about-image:hover {
    transform: scale(1.05);
    box-shadow: 
        0 0 50px var(--stark-blue-glow),
        0 0 100px var(--stark-blue-dim);
}

.about-content {
    padding-left: 2rem;
}

.about-content h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.about-content h2 .highlight {
    color: var(--stark-blue);
    text-shadow: 0 0 10px var(--stark-blue-glow);
}

.about-content .lead {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--stark-blue);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* Skills HUD */
.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.skill-tag {
    padding: 8px 16px;
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-fast);
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.skill-tag:hover {
    border-color: var(--stark-blue);
    color: var(--stark-blue);
    box-shadow: var(--shadow-neon);
    background: var(--stark-blue-dim);
    transform: translateY(-3px) scale(1.05);
}

.skill-tag.skill-link {
    position: relative;
    overflow: hidden;
}

.skill-tag.skill-link::after {
    content: '→';
    position: absolute;
    right: -20px;
    opacity: 0;
    transition: all 0.3s ease;
}

.skill-tag.skill-link:hover::after {
    right: 8px;
    opacity: 1;
}

.skill-tag.skill-link:hover {
    padding-right: 28px;
}

.skill-tag i {
    margin-right: 6px;
    color: var(--stark-blue);
}

/* About Stats */
.about-stats {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.about-stat {
    text-align: center;
    padding: 1.25rem 1.5rem;
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    transition: var(--transition-normal);
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.about-stat:hover {
    border-color: var(--stark-blue);
    box-shadow: var(--shadow-neon);
}

.about-stat-number {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--stark-blue);
    text-shadow: 0 0 10px var(--stark-blue-glow);
}

.about-stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 0.25rem;
}

/* Social Links */
.about-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    justify-content: center;
}

.about-social a {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition-normal);
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.about-social a:hover {
    background: var(--stark-blue);
    border-color: var(--stark-blue);
    color: var(--bg-void);
    box-shadow: var(--shadow-neon);
}

/* === Project Cards === */
.project-card, .course-card, .blog-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    overflow: hidden;
    transition: var(--transition-normal);
    height: 100%;
    clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
}

.project-card:hover, .course-card:hover, .blog-card:hover {
    border-color: var(--stark-blue);
    box-shadow: var(--shadow-neon);
    transform: translateY(-5px);
}

.project-image, .course-image, .blog-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.project-image img, .course-image img, .blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.project-card:hover .project-image img,
.course-card:hover .course-image img,
.blog-card:hover .blog-image img {
    transform: scale(1.1);
    filter: brightness(1.1);
}

.project-placeholder, .course-placeholder, .blog-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-dark), var(--bg-panel));
    color: var(--stark-blue);
}

.project-content, .course-content, .blog-content {
    padding: 1.5rem;
}

.project-title, .course-title, .blog-title {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.blog-title a {
    color: var(--text-primary);
}

.blog-title a:hover {
    color: var(--stark-blue);
}

.project-description, .course-description, .blog-excerpt {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.read-more {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--stark-blue);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.read-more:hover {
    text-shadow: 0 0 10px var(--stark-blue);
}

/* === CTA Section === */
.cta-section {
    padding: 100px 0;
    background: 
        linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        var(--bg-dark);
    border-top: 1px solid var(--border-dim);
    border-bottom: 1px solid var(--border-dim);
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.cta-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* === Footer === */
.tech-footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-dim);
    padding: 4rem 0 2rem;
    position: relative;
}

.tech-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--stark-blue), transparent);
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.footer-logo {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 0 5px rgba(0, 212, 255, 0.3));
    transition: var(--transition-fast);
}

.footer-logo:hover {
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 300px;
}

.tech-footer h5 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--stark-blue);
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--stark-blue);
    padding-left: 10px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--stark-blue);
    border-color: var(--stark-blue);
    color: var(--bg-void);
    box-shadow: var(--shadow-neon);
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-dim);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* === Cards Global === */
.card {
    background: var(--bg-panel) !important;
    border: 1px solid var(--border-dim) !important;
    color: var(--text-primary);
}

.card-title {
    color: var(--text-primary) !important;
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-body {
    color: var(--text-secondary);
}

.card-text {
    color: var(--text-muted) !important;
}

/* === Forms === */
.form-control {
    background: var(--bg-dark) !important;
    border: 1px solid var(--border-dim) !important;
    color: var(--text-primary) !important;
    font-family: var(--font-main);
    padding: 12px 16px;
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--stark-blue) !important;
    box-shadow: 0 0 0 3px var(--stark-blue-dim) !important;
    background: var(--bg-panel) !important;
}

.form-control::placeholder {
    color: var(--text-muted) !important;
}

.form-label {
    color: var(--text-secondary) !important;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.form-text {
    color: var(--text-muted) !important;
    font-size: 0.8rem;
}

.form-check-input {
    background-color: var(--bg-dark) !important;
    border: 1px solid var(--border-dim) !important;
}

.form-check-input:checked {
    background-color: var(--stark-blue) !important;
    border-color: var(--stark-blue) !important;
}

.form-check-label {
    color: var(--text-secondary) !important;
}

/* === Buttons === */
.btn-primary {
    background: var(--stark-blue) !important;
    border: none !important;
    color: var(--bg-void) !important;
    font-family: var(--font-main) !important;
    font-weight: 600 !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-normal);
}

.btn-primary:hover {
    background: var(--stark-blue-dark) !important;
    box-shadow: var(--shadow-neon);
}

.btn-outline-primary {
    background: transparent !important;
    border: 1px solid var(--stark-blue) !important;
    color: var(--stark-blue) !important;
}

.btn-outline-primary:hover,
.btn-outline-primary.active {
    background: var(--stark-blue) !important;
    color: var(--bg-void) !important;
}

/* === Badges === */
.badge {
    font-family: var(--font-mono);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.badge.bg-secondary {
    background: var(--bg-dark) !important;
    border: 1px solid var(--border-dim);
}

.badge.bg-info {
    background: var(--stark-blue-dim) !important;
    color: var(--stark-blue) !important;
    border: 1px solid var(--stark-blue);
}

.badge.bg-success {
    background: rgba(39, 202, 64, 0.2) !important;
    color: #27ca40 !important;
    border: 1px solid #27ca40;
}

.badge.bg-warning {
    background: rgba(255, 215, 0, 0.2) !important;
    color: var(--stark-gold) !important;
    border: 1px solid var(--stark-gold);
}

/* === Alerts === */
.alert {
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    border-left: 3px solid var(--stark-blue);
    color: var(--text-primary);
    font-family: var(--font-main);
}

.alert-success {
    border-left-color: #27ca40;
}

.alert-danger {
    border-left-color: var(--stark-red);
}

.alert-warning {
    border-left-color: var(--stark-gold);
}

/* === Pagination === */
.pagination .page-link {
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.pagination .page-item.active .page-link {
    background: var(--stark-blue);
    border-color: var(--stark-blue);
    color: var(--bg-void);
}

.pagination .page-link:hover {
    background: var(--stark-blue-dim);
    border-color: var(--stark-blue);
    color: var(--stark-blue);
}

/* === Dropdown === */
.dropdown-menu {
    background: var(--bg-panel) !important;
    border: 1px solid var(--border-glow) !important;
    box-shadow: var(--shadow-panel);
}

.dropdown-menu-dark {
    background: var(--bg-panel) !important;
}

.dropdown-item {
    color: var(--text-secondary) !important;
    font-family: var(--font-main);
    transition: var(--transition-fast);
}

.dropdown-item:hover,
.dropdown-item.active {
    background: var(--stark-blue-dim) !important;
    color: var(--stark-blue) !important;
}

.dropdown-divider {
    border-color: var(--border-dim);
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out forwards;
}

.animate-fade-in-down {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Stagger Animation */
.stagger-animation > * {
    opacity: 0;
    animation: fadeInUp 0.5s ease-out forwards;
}

.stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-animation > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-animation > *:nth-child(6) { animation-delay: 0.6s; }

/* Hover Effects */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-8px);
}

.hover-glow:hover {
    box-shadow: var(--shadow-neon);
}

.card-animated {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-animated:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-neon);
}

.btn-animated {
    position: relative;
    overflow: hidden;
}

.btn-animated::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-animated:hover::after {
    width: 300px;
    height: 300px;
}

.img-hover-zoom {
    overflow: hidden;
}

.img-hover-zoom img {
    transition: transform 0.5s ease;
}

.img-hover-zoom:hover img {
    transform: scale(1.1);
}

.text-gradient-animated {
    background: linear-gradient(90deg, var(--stark-blue), #0066ff, var(--stark-blue));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s linear infinite;
}

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

/* === Responsive === */
@media (max-width: 991px) {
    .hero-section {
        padding-top: 100px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        margin-top: 3rem;
    }
    
    .about-content {
        padding-left: 0;
        margin-top: 3rem;
        text-align: center;
    }
    
    .skills-list {
        justify-content: center;
    }
    
    .about-stats {
        justify-content: center;
    }
}

@media (max-width: 767px) {
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-neon, .btn-outline-neon {
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: center;
    }
    
    .about-image {
        width: 220px;
        height: 220px;
    }
    
    .section-padding {
        padding: 60px 0;
    }
}

/* === Navbar Toggle === */
.navbar-toggler {
    border: 1px solid var(--border-dim);
    padding: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px var(--stark-blue-dim);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%2300d4ff' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}