/* 
 * Style Sheet: Premium IT Software Engineer Styling — Enhanced Edition
 * Path: /style.css
 * 
 * Defines the comprehensive visual tokens, dynamic layouts, grid constraints,
 * micro-animations, glassmorphic terminal window cards, brackets animation,
 * matrix grid background, scroll reveals, CRT scanlines, and spotlight glow.
 */

/* ==========================================================================
   1. Design Tokens & Variables
   ========================================================================== */
:root {
    /* Harmony Color System (IDE Code Theme) */
    --color-bg-primary: hsl(220, 24%, 6%);         /* Deep GitHub Black */
    --color-bg-secondary: hsl(220, 18%, 10%);       /* Dark IDE Charcoal */
    --color-bg-card: rgba(22, 27, 34, 0.55);        /* Semi-transparent slate panel */
    
    --color-accent-green: hsl(142, 70%, 46%);       /* Compiler Green */
    --color-accent-blue: hsl(212, 100%, 65%);       /* Electric Developer Blue */
    --color-accent-purple: hsl(268, 100%, 68%);     /* Syntax Violet */
    --color-accent-red: hsl(354, 85%, 52%);         /* Terminal Caliper Red */
    --color-accent-yellow: hsl(45, 100%, 55%);      /* IDE Warning Gold */
    
    --color-text-bright: hsl(0, 0%, 100%);          /* Crisp pure white */
    --color-text-muted: hsl(210, 14%, 78%);         /* Cool alloy code silver */
    --color-text-dim: hsl(210, 8%, 55%);            /* Dark system alloy */
    
    --border-glass: rgba(88, 166, 255, 0.12);       /* Glassmorphic cyber blue border */
    --border-glass-hover: rgba(63, 185, 80, 0.35);  /* Glassmorphic green hover border */
    
    /* Layout Tokens */
    --font-primary: 'Space Grotesk', sans-serif;
    --font-code: 'Fira Code', monospace;
    --header-height: 80px;
    --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-snap: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ==========================================================================
   2. Document Reset & Global Base
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg-primary);
    color: var(--color-text-muted);
    font-family: var(--font-primary);
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
    line-height: 1.6;
}

/* Premium Code Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-bg-primary);
    border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-green);
    box-shadow: 0 0 8px var(--color-accent-green);
}

/* General Layout Elements */
a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--color-text-bright);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

section {
    padding: 100px 0;
    position: relative;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   2.5 Scroll Reveal Animation System
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* Staggered delay classes for grid items */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ==========================================================================
   3. Header & Pure CSS Animated Developer Logo
   ========================================================================== */
.main-header {
    height: var(--header-height);
    background: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glass);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: var(--transition-smooth);
}

/* Gradient accent line under header */
.main-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--color-accent-green) 20%,
        var(--color-accent-blue) 40%,
        var(--color-accent-purple) 60%,
        var(--color-accent-blue) 80%,
        transparent 100%
    );
    opacity: 0.5;
    animation: gradient-line-shift 8s linear infinite;
}

@keyframes gradient-line-shift {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.main-header::after {
    background-size: 200% 100%;
}

.main-header.scrolled {
    background: rgba(8, 10, 14, 0.95);
    height: 70px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.header-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Pure CSS Animated Brackets </_ Logo */
.logo-link {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-animation-wrapper {
    display: flex;
    align-items: center;
    background: var(--color-bg-secondary);
    border: 1px solid var(--border-glass);
    padding: 6px 12px;
    border-radius: 4px;
    font-family: var(--font-code);
    font-weight: 700;
    font-size: 1.15rem;
    box-shadow: 0 0 15px rgba(88, 166, 255, 0.1);
    position: relative;
    overflow: hidden;
}

/* Ambient glow sweep on logo */
.logo-animation-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(63, 185, 80, 0.08), transparent);
    animation: logo-sweep 4s ease-in-out infinite;
}

@keyframes logo-sweep {
    0%, 100% { left: -100%; }
    50% { left: 150%; }
}

.logo-brackets {
    display: flex;
    color: var(--color-accent-blue);
    gap: 2px;
}

.logo-bracket-left,
.logo-bracket-right {
    display: inline-block;
    transition: var(--transition-smooth);
    animation: pulse-brackets 2s ease-in-out infinite alternate;
}

.logo-bracket-right {
    animation-delay: 1s;
}

.logo-slash {
    color: var(--color-accent-purple);
    text-shadow: 0 0 8px var(--color-accent-purple);
}

.logo-cursor {
    color: var(--color-accent-green);
    text-shadow: 0 0 8px var(--color-accent-green);
    animation: cursor-blink 1s steps(2, start) infinite;
    margin-left: 2px;
}

/* Keyframe Animations */
@keyframes pulse-brackets {
    0% {
        transform: translateX(0px);
        color: var(--color-accent-blue);
    }
    100% {
        transform: translateX(1.5px);
        color: var(--color-accent-green);
    }
}

@keyframes cursor-blink {
    to { opacity: 0; }
}

.logo-text {
    font-family: var(--font-primary);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--color-text-bright);
}

.logo-text .accent-text {
    color: var(--color-accent-green);
    background: linear-gradient(135deg, var(--color-accent-green) 50%, var(--color-accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Nav Menu */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-code);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    padding: 8px 0;
    position: relative;
}

.nav-prefix {
    color: var(--color-accent-green);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--color-accent-green);
    box-shadow: 0 0 8px var(--color-accent-green);
    transition: var(--transition-smooth);
}

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

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

/* Nav Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.nav-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-bright);
    transition: var(--transition-smooth);
}

/* ==========================================================================
   4. Hero Section & Interactive Telemetry Dashboard
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, rgba(22, 27, 34, 0.35) 0%, var(--color-bg-primary) 80%),
                url('hero.png') no-repeat center center/cover;
    border-bottom: 1px solid var(--border-glass);
    margin-top: 0;
    padding-top: calc(var(--header-height) + 50px);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(13, 17, 23, 0.4) 0%, rgba(13, 17, 23, 0.95) 100%);
    pointer-events: none;
}

/* Matrix Dot-Grid Background */
.hero-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(88, 166, 255, 0.08) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: matrix-drift 20s linear infinite;
    pointer-events: none;
    z-index: 1;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

@keyframes matrix-drift {
    0% { background-position: 0 0; }
    100% { background-position: 30px 60px; }
}

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-badge {
    background: rgba(88, 166, 255, 0.08);
    border: 1px solid var(--color-accent-blue);
    color: var(--color-accent-blue);
    font-family: var(--font-code);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    padding: 6px 14px;
    border-radius: 4px;
    margin-bottom: 24px;
    text-transform: uppercase;
    box-shadow: 0 0 15px rgba(88, 166, 255, 0.1);
    display: inline-flex;
    align-items: center;
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-accent-green);
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 8px var(--color-accent-green);
    animation: cursor-blink 1s infinite;
}

.hero-title {
    font-size: 3.6rem;
    line-height: 1.15;
    margin-bottom: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-text-bright) 30%, var(--color-accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 580px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

/* Developer Console Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-family: var(--font-code);
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

/* Button shimmer sweep */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
    transition: left 0.6s ease;
}

.btn:hover::before {
    left: 130%;
}

.btn-primary {
    background: var(--color-accent-green);
    color: var(--color-bg-primary);
    border: 1px solid var(--color-accent-green);
    box-shadow: 0 6px 20px rgba(63, 185, 80, 0.25);
}

.btn-primary:hover {
    background: var(--color-accent-blue);
    border-color: var(--color-accent-blue);
    color: var(--color-text-bright);
    box-shadow: 0 6px 24px rgba(88, 166, 255, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-bright);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    border-color: var(--color-accent-purple);
    color: var(--color-accent-purple);
    box-shadow: 0 0 15px rgba(188, 140, 255, 0.15);
    transform: translateY(-2px);
}

/* Hero Developer Code Panel Graphic */
.hero-graphic {
    position: relative;
    width: 100%;
}

.terminal-window {
    background: rgba(13, 17, 23, 0.85);
    border: 1.5px solid var(--border-glass);
    border-radius: 6px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5),
                0 0 40px rgba(88, 166, 255, 0.04);
    overflow: hidden;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: relative;
}

/* CRT Scanline Overlay on Terminals */
.terminal-window::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0px,
        transparent 2px,
        rgba(0, 0, 0, 0.06) 2px,
        rgba(0, 0, 0, 0.06) 4px
    );
    pointer-events: none;
    z-index: 5;
    animation: scanline-flicker 0.1s steps(2) infinite;
    opacity: 0.5;
}

@keyframes scanline-flicker {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.6; }
}

.terminal-header {
    height: 38px;
    background: var(--color-bg-secondary);
    border-bottom: 1.5px solid var(--border-glass);
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.control-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dot-red { background-color: var(--color-accent-red); }
.dot-yellow { background-color: var(--color-accent-yellow); }
.dot-green { background-color: var(--color-accent-green); }

.terminal-title {
    font-family: var(--font-code);
    font-size: 0.75rem;
    color: var(--color-text-dim);
    letter-spacing: 0.5px;
}

.terminal-body {
    padding: 24px;
    font-family: var(--font-code);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    position: relative;
    z-index: 1;
}

.code-line {
    margin-bottom: 8px;
    display: flex;
}

.line-num {
    color: var(--color-text-dim);
    width: 24px;
    text-align: right;
    margin-right: 16px;
    user-select: none;
}

.code-content {
    white-space: pre-wrap;
}

.code-keyword { color: var(--color-accent-purple); }
.code-function { color: var(--color-accent-blue); }
.code-string { color: var(--color-accent-green); }
.code-comment { color: var(--color-text-dim); }

/* Code accent blue for variables */
.code-accent-blue { color: var(--color-accent-blue); }

.console-output-box {
    margin-top: 20px;
    border-top: 1px dashed var(--border-glass);
    padding-top: 15px;
    font-size: 0.75rem;
}

.console-log-line {
    color: var(--color-accent-blue);
    margin-bottom: 4px;
}

.console-log-line.success {
    color: var(--color-accent-green);
}

/* ==========================================================================
   5. Engineering Systems Section (Technologies Grid)
   ========================================================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-subtitle {
    color: var(--color-accent-green);
    font-family: var(--font-code);
    font-size: 0.8rem;
    letter-spacing: 2px;
    margin-bottom: 12px;
    display: block;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 700;
    position: relative;
    display: inline-block;
    padding-bottom: 16px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-accent-purple);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* Terminal Window Feature Panel */
.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 6px;
    overflow: hidden;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: relative;
}

/* Mouse spotlight glow effect */
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        300px circle at var(--mouse-x, -100px) var(--mouse-y, -100px),
        rgba(63, 185, 80, 0.06),
        transparent 60%
    );
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card-header {
    height: 32px;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    padding: 0 16px;
}

.feature-card-body {
    padding: 30px 24px;
    position: relative;
    z-index: 2;
}

.feature-card-num {
    font-family: var(--font-code);
    font-size: 0.85rem;
    color: var(--color-accent-green);
    margin-bottom: 16px;
    display: block;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    text-transform: none;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* Hover Spotlights */
.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-glass-hover);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4),
                0 0 20px rgba(63, 185, 80, 0.08);
    background: rgba(22, 27, 34, 0.7);
}

/* ==========================================================================
   5.5 System Metrics Counter Section
   ========================================================================== */
.metrics-section {
    padding: 60px 0;
    background: var(--color-bg-primary);
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
    position: relative;
    overflow: hidden;
}

/* Subtle ambient gradient */
.metrics-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 200px;
    background: radial-gradient(ellipse, rgba(88, 166, 255, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.metric-card {
    background: var(--color-bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 6px;
    padding: 28px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

/* Gradient top-border accent */
.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-green), var(--color-accent-blue), var(--color-accent-purple));
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-4px);
    border-color: rgba(88, 166, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.metric-card:hover::before {
    opacity: 1;
}

.metric-label {
    font-family: var(--font-code);
    font-size: 0.7rem;
    letter-spacing: 1.5px;
    color: var(--color-accent-green);
    text-transform: uppercase;
    margin-bottom: 12px;
    display: block;
}

.metric-value {
    font-family: var(--font-code);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-text-bright);
    line-height: 1;
    margin-bottom: 8px;
    display: block;
}

.metric-unit {
    font-family: var(--font-code);
    font-size: 0.65rem;
    letter-spacing: 1px;
    color: var(--color-accent-blue);
    text-transform: uppercase;
    display: block;
}

/* ==========================================================================
   6. AI News Cards Section (Live Aggregation)
   ========================================================================== */
.news-section {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
}

.news-grid {
    display: grid;
    /* Responsive template grid variables */
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* Glassmorphic News Panels */
.news-card {
    background: var(--color-bg-primary);
    border: 1px solid var(--border-glass);
    border-radius: 6px;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

/* Mouse spotlight on news cards */
.news-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        250px circle at var(--mouse-x, -100px) var(--mouse-y, -100px),
        rgba(88, 166, 255, 0.05),
        transparent 60%
    );
    pointer-events: none;
    z-index: 3;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.news-card:hover::after {
    opacity: 1;
}

.news-card-header {
    height: 32px;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
}

.news-card-title-lbl {
    font-family: var(--font-code);
    font-size: 0.7rem;
    color: var(--color-text-dim);
}

.news-img-box {
    position: relative;
    height: 160px;
    overflow: hidden;
    background: hsl(220, 20%, 8%);
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Fallback AI Vector Icons */
.parts-fallback-icon {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(22, 27, 34, 0.85) 0%, rgba(8, 10, 14, 0.98) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid var(--border-glass);
}

.parts-fallback-icon::before {
    font-family: var(--font-code);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-accent-green);
    margin-bottom: 4px;
    text-shadow: 0 0 15px rgba(63, 185, 80, 0.3);
}

.parts-fallback-icon::after {
    font-family: var(--font-code);
    font-size: 0.65rem;
    letter-spacing: 1px;
    color: var(--color-accent-blue);
    text-transform: uppercase;
}

/* Vector specifics mapped to RSS items */
.img-ai_quantum::before       { content: '[Q-TRANS]'; }
.img-ai_quantum::after        { content: 'QUANTUM MODEL'; }
.img-compiler_ai::before      { content: '[COB-RUST]'; }
.img-compiler_ai::after       { content: 'AI TRANSLATION'; }
.img-hardware_spiking::before { content: '[NEURO-S]'; }
.img-hardware_spiking::after  { content: 'SPIKING SILICON'; }
.img-agent_refactor::before   { content: '[SELF-H]'; }
.img-agent_refactor::after    { content: 'AUTONOMOUS CI'; }
.img-privacy_zk::before       { content: '[ZK-FED]'; }
.img-privacy_zk::after        { content: 'ZERO KNOWLEDGE'; }
.img-graph_rag::before        { content: '[G-RAG]'; }
.img-graph_rag::after         { content: 'GRAPH EMBEDDING'; }
.img-local_ide_ai::before     { content: '[LOCAL-C]'; }
.img-local_ide_ai::after      { content: '4BIT QUANTIZATION'; }
.img-api_generator::before    { content: '[API-SYN]'; }
.img-api_generator::after     { content: 'TYPE SYNTHESIS'; }
.img-devops_ci::before        { content: '[PRED-CI]'; }
.img-devops_ci::after         { content: 'GIT-OPS INTEGRITY'; }
.img-spatial_editor::before   { content: '[UI-3D]'; }
.img-spatial_editor::after    { content: 'SPATIAL TELEMETRY'; }
.img-generic::before          { content: '[SYS-INT]'; }
.img-generic::after           { content: 'AI PIPELINE'; }

/* Actual feed loaded image */
.news-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.news-source-tag {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(13, 17, 23, 0.9);
    border: 1px solid var(--border-glass);
    color: var(--color-accent-blue);
    font-family: var(--font-code);
    font-weight: 700;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    padding: 3px 10px;
    border-radius: 2px;
    z-index: 2;
}

.news-content-box {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    position: relative;
    z-index: 2;
}

.news-date {
    font-family: var(--font-code);
    font-size: 0.8rem;
    color: var(--color-accent-purple);
    margin-bottom: 8px;
    display: block;
}

.news-title {
    font-size: 1.15rem;
    line-height: 1.4;
    margin-bottom: 12px;
    font-weight: 700;
    letter-spacing: 0.2px;
    text-transform: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 2.8em;
}

.news-summary {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
    flex-grow: 1;
}

.news-read-more {
    font-family: var(--font-code);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: lowercase;
    color: var(--color-text-bright);
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    position: relative;
    padding-bottom: 2px;
}

.news-read-more::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent-green);
    transition: var(--transition-smooth);
}

.news-read-more::after {
    content: '()';
    color: var(--color-accent-green);
    margin-left: 2px;
    transition: var(--transition-snap);
}

/* Card Hover Interaction */
.news-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-glass-hover);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4),
                0 0 15px rgba(63, 185, 80, 0.15);
}

.news-card:hover .news-img {
    transform: scale(1.08);
}

.news-card:hover .news-read-more {
    color: var(--color-accent-green);
}

.news-card:hover .news-read-more::after {
    content: '(success)';
    color: var(--color-accent-blue);
}

.news-card:hover .news-read-more::before {
    width: 100%;
}

/* ==========================================================================
   6.5 Callout Section (Proper CSS — No Inline Styles)
   ========================================================================== */
.callout-section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-glass);
    background: radial-gradient(ellipse at bottom, rgba(63, 185, 80, 0.04) 0%, transparent 70%);
    position: relative;
}

.callout-section::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent-green), transparent);
    opacity: 0.3;
}

.callout-box {
    background: var(--color-bg-card);
    border: 1px solid var(--border-glass);
    padding: 55px 35px;
    border-radius: 6px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.35);
    position: relative;
    overflow: hidden;
}

/* Ambient sweep effect */
.callout-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(63, 185, 80, 0.03), transparent);
    animation: callout-sweep 6s ease-in-out infinite;
}

@keyframes callout-sweep {
    0%, 100% { left: -100%; }
    50% { left: 140%; }
}

.callout-tag {
    color: var(--color-accent-purple);
    font-family: var(--font-code);
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 0.8rem;
    display: block;
    margin-bottom: 18px;
}

.callout-title {
    font-size: 2rem;
    margin-bottom: 16px;
    text-transform: none;
    position: relative;
    z-index: 1;
}

.callout-desc {
    color: var(--color-text-muted);
    margin-bottom: 30px;
    font-size: 1.05rem;
    position: relative;
    z-index: 1;
}

.callout-btn {
    box-shadow: 0 4px 18px rgba(63, 185, 80, 0.2);
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   7. Footer Section
   ========================================================================== */
.main-footer {
    background: var(--color-bg-primary);
    border-top: 1px solid var(--border-glass);
    padding: 80px 0 40px;
    overflow: hidden;
}

.footer-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 1.4fr;
    gap: 60px;
    margin-bottom: 60px;
}

.info-col .footer-logo {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-bright);
    margin-bottom: 20px;
}

.info-col .footer-logo .accent-text {
    color: var(--color-accent-green);
}

.info-col .footer-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    max-width: 320px;
}

.footer-heading {
    font-size: 1rem;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
    text-transform: none;
    font-family: var(--font-code);
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 1.5px;
    background: var(--color-accent-purple);
}

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

.footer-links li {
    margin-bottom: 12px;
}

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

.footer-links a:hover {
    color: var(--color-accent-green);
    padding-left: 4px;
}

/* Diagnostics terminal box */
.terminal-stats-box {
    background: var(--color-bg-secondary);
    border: 1px solid var(--border-glass);
    padding: 18px;
    border-radius: 4px;
    font-family: var(--font-code);
    font-size: 0.8rem;
}

.stat-line {
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
}

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

.stat-lbl {
    color: var(--color-text-dim);
}

.stat-val {
    font-weight: 600;
}

.val-green { color: var(--color-accent-green); }
.val-blue { color: var(--color-accent-blue); }
.val-purple { color: var(--color-accent-purple); }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright-text {
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

.footer-decorations {
    display: flex;
    align-items: center;
    gap: 12px;
}

.terminal-badge {
    background: rgba(22, 27, 34, 0.8);
    border: 1px solid var(--border-glass);
    padding: 5px 14px;
    font-size: 0.7rem;
    font-family: var(--font-code);
    font-weight: 600;
    color: var(--color-accent-purple);
    letter-spacing: 1px;
    border-radius: 3px;
    position: relative;
    overflow: hidden;
}

.terminal-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: var(--color-accent-green);
}

.compiled-badge {
    background: rgba(63, 185, 80, 0.06);
    border: 1px solid rgba(63, 185, 80, 0.2);
    padding: 5px 14px;
    font-size: 0.7rem;
    font-family: var(--font-code);
    font-weight: 600;
    color: var(--color-accent-green);
    letter-spacing: 1px;
    border-radius: 3px;
}

/* ==========================================================================
   8. Responsive Media Queries (Mobile Friendly System)
   ========================================================================== */

/* Tablet & Smaller Desktop Screens */
@media screen and (max-width: 992px) {
    section {
        padding: 80px 0;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 columns on tablet */
        gap: 24px;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .info-col {
        grid-column: span 2;
    }
}

/* Command Bar Toggle on Mobile */
@media screen and (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: rgba(13, 17, 23, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid var(--border-glass);
        z-index: 999;
        display: flex;
        justify-content: center;
        align-items: flex-start;
        padding-top: 60px;
        transform: translateY(-120%);
        transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    
    .main-nav.active {
        transform: translateY(0);
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }
    
    .nav-link {
        font-size: 1.3rem;
    }
    
    /* Toggle active animations */
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

/* Mobile Screens */
@media screen and (max-width: 576px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-desc {
        font-size: 1.05rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 15px;
    }
    
    .btn {
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr; /* 1 column on mobile */
    }
    
    .metrics-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    
    .metric-value {
        font-size: 1.8rem;
    }
    
    .callout-box {
        padding: 40px 20px;
    }
    
    .callout-title {
        font-size: 1.6rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 45px;
    }
    
    .info-col {
        grid-column: span 1;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}