/* ============================================
   SAGAR — THE NEURAL BLUEPRINT
   AI Agent Architect Portfolio
   ============================================ */

/* === CSS Variables === */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: #1a1f35;
    --bg-card-hover: #222845;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-cyan: #00f0ff;
    --accent-amber: #ff9f1c;
    --accent-green: #10b981;
    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    --accent-red: #ef4444;
    --border-color: rgba(0, 240, 255, 0.1);
    --border-hover: rgba(0, 240, 255, 0.3);
    --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.3);
    --glow-amber: 0 0 20px rgba(255, 159, 28, 0.3);
    --glow-purple: 0 0 20px rgba(139, 92, 246, 0.3);
    --font-display: 'Space Mono', 'JetBrains Mono', monospace;
    --font-body: 'Source Sans 3', 'IBM Plex Sans', sans-serif;
    --font-code: 'Fira Code', 'JetBrains Mono', monospace;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* === Custom Cursor === */
body {
    cursor: none;
}

a, button, .node-header, .skill-card, .project-card, .filter-btn, .social-btn, .footer-link, .nav-link {
    cursor: none;
}

.cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    width: 6px;
    height: 6px;
    background: var(--accent-cyan);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10001;
    transform: translate(-50%, -50%);
    transition: width 0.2s ease, height 0.2s ease, background 0.3s ease, opacity 0.2s ease;
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.6), 0 0 20px rgba(0, 240, 255, 0.3);
}

.cursor-dot.cursor-hover {
    width: 10px;
    height: 10px;
    background: var(--accent-amber);
    box-shadow: 0 0 12px rgba(255, 159, 28, 0.7), 0 0 30px rgba(255, 159, 28, 0.4);
}

.cursor-dot.cursor-click {
    width: 4px;
    height: 4px;
    background: #fff;
}

.cursor-dot.cursor-hidden {
    opacity: 0;
}

.cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    width: 36px;
    height: 36px;
    border: 1.5px solid rgba(0, 240, 255, 0.4);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: width 0.35s cubic-bezier(0.25, 0.1, 0.25, 1),
                height 0.35s cubic-bezier(0.25, 0.1, 0.25, 1),
                border-color 0.3s ease,
                background 0.3s ease,
                opacity 0.2s ease;
}

.cursor-ring.cursor-hover {
    width: 56px;
    height: 56px;
    border-color: rgba(255, 159, 28, 0.5);
    background: rgba(255, 159, 28, 0.04);
}

.cursor-ring.cursor-click {
    width: 28px;
    height: 28px;
    border-color: rgba(255, 255, 255, 0.6);
}

.cursor-ring.cursor-text {
    width: 4px;
    height: 28px;
    border-radius: 2px;
    border-color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.08);
}

.cursor-ring.cursor-hidden {
    opacity: 0;
}

.cursor-trail-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    pointer-events: none;
}

/* Hide custom cursor on touch devices & reduced motion */
@media (hover: none) and (pointer: coarse) {
    .cursor-dot, .cursor-ring, .cursor-trail-canvas { display: none !important; }
    body, a, button, .node-header, .skill-card, .project-card { cursor: auto; }
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .circuit-border { display: none; }
    .cursor-dot, .cursor-ring, .cursor-trail-canvas { display: none !important; }
    body, a, button { cursor: auto; }
}

/* === Particle Canvas === */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* === Circuit Border Traces === */
.circuit-border {
    position: fixed;
    top: 0;
    width: 40px;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.4;
}

.circuit-left { left: 0; }
.circuit-right { right: 0; }

.circuit-trace {
    fill: none;
    stroke: rgba(0, 240, 255, 0.15);
    stroke-width: 1.5;
}

.circuit-right .circuit-trace {
    stroke: rgba(255, 159, 28, 0.12);
}

.trace-dot {
    filter: blur(1px);
}

/* === Container === */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === Section Shared === */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: block;
    font-family: var(--font-code);
    font-size: 14px;
    color: var(--accent-cyan);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(26px, 4vw, 38px);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* === Highlights (text accents) === */
.highlight-cyan { color: var(--accent-cyan); }
.highlight-amber { color: var(--accent-amber); }

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 6px;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-transform: uppercase;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 240, 255, 0.4);
}

.btn-arrow { font-size: 18px; transition: var(--transition); }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }

.btn-ghost {
    background: transparent;
    color: var(--accent-amber);
    border: 1px solid rgba(255, 159, 28, 0.4);
}

.btn-ghost:hover {
    background: rgba(255, 159, 28, 0.1);
    border-color: var(--accent-amber);
    box-shadow: var(--glow-amber);
}

/* === Navigation === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 14, 26, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 4px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 400;
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 4px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-link:hover, .nav-link.active { color: var(--accent-cyan); }

.nav-cta {
    border: 1px solid rgba(0, 240, 255, 0.3);
    color: var(--accent-cyan) !important;
}

.nav-cta:hover { background: rgba(0, 240, 255, 0.1) !important; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 1px;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* === HERO SECTION === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    padding: 100px 24px 60px;
    overflow: hidden;
}

.hero-neural-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: auto;
}

.hero-neural-canvas[data-interactive="true"] {
    cursor: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    width: 100%;
}

/* Terminal */
.hero-terminal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 32px;
    font-family: var(--font-code);
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

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

.terminal-title {
    font-size: 12px;
    color: var(--text-muted);
    margin-left: auto;
    margin-right: auto;
}

.terminal-body {
    padding: 20px;
}

.terminal-line {
    font-size: 14px;
    line-height: 2;
}

.code-comment { color: var(--text-muted); }
.code-prompt { color: var(--accent-cyan); }
.code-typed { color: var(--accent-amber); }
.code-keyword { color: var(--accent-purple); }
.code-func { color: var(--accent-cyan); }
.code-string { color: var(--accent-green); }
.code-const { color: var(--accent-amber); }
.code-decorator { color: var(--accent-amber); }

.cursor-blink {
    color: var(--accent-cyan);
    animation: blink 0.7s infinite;
    font-weight: 300;
}

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

/* Terminal Status Bar */
.terminal-status-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid rgba(0, 240, 255, 0.08);
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
    animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 6px rgba(16, 185, 129, 0.6); }
    50% { opacity: 0.4; box-shadow: 0 0 2px rgba(16, 185, 129, 0.3); }
}

.status-label {
    color: var(--accent-green);
    font-weight: 700;
    font-size: 10px;
    letter-spacing: 1.5px;
}

.status-phase {
    color: var(--accent-cyan);
    transition: color 0.3s ease;
}

.status-phase.deciding { color: var(--accent-amber); }
.status-phase.acting { color: var(--accent-green); }
.status-phase.reflecting { color: var(--accent-purple); }

.status-separator {
    color: rgba(100, 116, 139, 0.4);
}

.status-metric {
    color: var(--text-muted);
    font-size: 10px;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 24px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 10px 16px;
    background: rgba(0, 240, 255, 0.03);
    border: 1px solid rgba(0, 240, 255, 0.08);
    border-radius: 8px;
    min-width: 80px;
    transition: var(--transition);
}

.hero-stat:hover {
    border-color: rgba(0, 240, 255, 0.25);
    background: rgba(0, 240, 255, 0.06);
    transform: translateY(-2px);
}

.hero-stat-num {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--accent-cyan);
    line-height: 1;
}

.hero-stat:nth-child(3) .hero-stat-num {
    color: var(--accent-green);
}

.hero-stat:nth-child(4) .hero-stat-num {
    color: var(--accent-amber);
}

.hero-stat-label {
    font-family: var(--font-code);
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    white-space: nowrap;
}

/* Hero Title */
.hero-title {
    margin-bottom: 20px;
}

.hero-name-line {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(48px, 8vw, 80px);
    font-weight: 700;
    line-height: 1;
    letter-spacing: 6px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-cyan) 60%, var(--accent-amber) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-role-line {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(14px, 2.5vw, 20px);
    font-weight: 400;
    color: var(--accent-amber);
    letter-spacing: 6px;
    text-transform: uppercase;
    margin-top: 8px;
}

.hero-tagline {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

/* Hero Layer Labels */
.hero-layer-labels {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 24px;
    z-index: 2;
}

.layer-label {
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--accent-cyan);
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0;
    transform: translateX(20px);
    animation: labelSlideIn 0.6s ease forwards;
    animation-delay: calc(var(--delay) * 0.3s + 1s);
    position: relative;
    padding-left: 16px;
}

.layer-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transform: translateY(-50%);
    background: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.layer-label[data-layer="memory"]::before { background: var(--accent-purple); box-shadow: var(--glow-purple); }
.layer-label[data-layer="memory"] { color: var(--accent-purple); }
.layer-label[data-layer="decision"]::before { background: var(--accent-amber); box-shadow: var(--glow-amber); }
.layer-label[data-layer="decision"] { color: var(--accent-amber); }
.layer-label[data-layer="action"]::before { background: var(--accent-green); }
.layer-label[data-layer="action"] { color: var(--accent-green); }

@keyframes labelSlideIn {
    to { opacity: 0.7; transform: translateX(0); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 2;
}

.scroll-indicator span {
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--accent-cyan), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* === DOMAIN SWITCHER === */
.domain-switcher {
    position: relative;
    z-index: 3;
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
    background: rgba(10, 14, 26, 0.6);
    backdrop-filter: blur(10px);
}

.domain-intro {
    text-align: center;
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.domain-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.domain-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 28px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    cursor: pointer;
    transition: var(--transition);
    min-width: 160px;
    text-align: center;
}

.domain-tab:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.domain-tab.active {
    border-color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.05);
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.08);
}

.domain-tab[data-domain="agentic"].active {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.08);
}

.domain-tab[data-domain="training"].active {
    border-color: var(--accent-amber);
    background: rgba(255, 159, 28, 0.05);
    box-shadow: 0 0 25px rgba(255, 159, 28, 0.08);
}

.domain-tab[data-domain="mlops"].active {
    border-color: var(--accent-green);
    background: rgba(16, 185, 129, 0.05);
    box-shadow: 0 0 25px rgba(16, 185, 129, 0.08);
}

.domain-tab-icon {
    font-size: 20px;
    color: var(--text-muted);
    transition: var(--transition);
}

.domain-tab.active .domain-tab-icon { color: var(--accent-cyan); }
.domain-tab[data-domain="training"].active .domain-tab-icon { color: var(--accent-amber); }
.domain-tab[data-domain="mlops"].active .domain-tab-icon { color: var(--accent-green); }

.domain-tab-label {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.domain-tab-desc {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.4;
    max-width: 200px;
    display: none;
}

.domain-tab.active .domain-tab-desc {
    display: block;
}

/* Domain section transitions */
.domain-section {
    transition: opacity 0.5s ease, max-height 0.5s ease, transform 0.5s ease, margin 0.4s ease, padding 0.4s ease;
}

.domain-section.domain-hidden {
    opacity: 0;
    max-height: 0 !important;
    overflow: hidden;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    margin: 0 !important;
    pointer-events: none;
    transform: translateY(-20px);
}

/* === SKILLS BADGES === */
.skills-badges {
    padding: 120px 0;
    position: relative;
    z-index: 2;
}

/* Skills Total Counter */
.skills-total {
    text-align: center;
    margin-bottom: 40px;
}

.skills-total-num {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-amber));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.skills-total-label {
    display: block;
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 4px;
}

.badge-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 960px;
    margin: 0 auto;
}

.badge-category {
    padding: 24px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.badge-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cat-color, var(--accent-cyan)), transparent);
    opacity: 0;
    transition: opacity 0.35s ease;
}

.badge-category:hover::before {
    opacity: 1;
}

.badge-category:hover {
    border-color: color-mix(in srgb, var(--cat-color, var(--accent-cyan)) 30%, transparent);
    box-shadow: 0 8px 32px color-mix(in srgb, var(--cat-color, var(--accent-cyan)) 8%, transparent),
                inset 0 1px 0 color-mix(in srgb, var(--cat-color, var(--accent-cyan)) 10%, transparent);
    transform: translateY(-3px);
}

/* Make the last category span full width if odd count */
.badge-category:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: 50%;
    justify-self: center;
}

.badge-cat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.badge-cat-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--cat-color, var(--accent-cyan)) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--cat-color, var(--accent-cyan)) 20%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cat-color, var(--accent-cyan));
    font-size: 14px;
    flex-shrink: 0;
    transition: var(--transition);
}

.badge-category:hover .badge-cat-icon {
    background: color-mix(in srgb, var(--cat-color, var(--accent-cyan)) 18%, transparent);
    box-shadow: 0 0 12px color-mix(in srgb, var(--cat-color, var(--accent-cyan)) 20%, transparent);
}

.badge-cat-title {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    color: var(--cat-color, var(--accent-cyan));
    letter-spacing: 0.5px;
    margin-bottom: 2px;
    line-height: 1.2;
}

.badge-cat-count {
    font-family: var(--font-code);
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.badge-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 50px;
    font-family: var(--font-code);
    font-size: 12px;
    font-weight: 500;
    color: var(--cat-color, var(--accent-cyan));
    background: color-mix(in srgb, var(--cat-color, var(--accent-cyan)) 6%, transparent);
    border: 1px solid color-mix(in srgb, var(--cat-color, var(--accent-cyan)) 15%, transparent);
    transition: all 0.25s ease;
    cursor: default;
    position: relative;
    overflow: hidden;
}

.skill-badge::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--cat-color, var(--accent-cyan)) 15%, transparent), transparent);
    transition: left 0.5s ease;
}

.skill-badge:hover::after {
    left: 100%;
}

.skill-badge:hover {
    transform: translateY(-2px) scale(1.04);
    background: color-mix(in srgb, var(--cat-color, var(--accent-cyan)) 12%, transparent);
    border-color: color-mix(in srgb, var(--cat-color, var(--accent-cyan)) 35%, transparent);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--cat-color, var(--accent-cyan)) 12%, transparent);
}

/* === PHILOSOPHY SECTION === */
.philosophy {
    padding: 100px 0;
    position: relative;
    z-index: 2;
}

.philosophy-quote {
    text-align: center;
    margin-bottom: 64px;
    position: relative;
    padding: 40px 24px;
}

.quote-mark {
    font-family: var(--font-display);
    font-size: 80px;
    color: var(--accent-cyan);
    opacity: 0.15;
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    line-height: 1;
}

blockquote {
    font-family: var(--font-body);
    font-size: clamp(18px, 2.5vw, 22px);
    color: var(--text-primary);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
    font-weight: 400;
}

/* Counter Cards */
.philosophy-counters {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.counter-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.counter-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.counter-glow {
    position: absolute;
    top: -50%;
    left: 50%;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--glow-color, var(--accent-cyan));
    filter: blur(60px);
    opacity: 0.15;
    pointer-events: none;
    transform: translateX(-50%);
}

.counter-number {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    color: var(--accent-cyan);
    display: block;
    line-height: 1.2;
}

.counter-card:nth-child(2) .counter-number { color: var(--accent-amber); }
.counter-card:nth-child(3) .counter-number { color: var(--accent-green); }

.counter-label {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
    display: block;
    margin-top: 8px;
}

.counter-sub {
    font-size: 13px;
    color: var(--text-muted);
    display: block;
    margin-top: 4px;
}

/* === JOURNEY / TIMELINE SECTION === */
.journey {
    padding: 120px 0;
    position: relative;
    z-index: 2;
}

.timeline {
    position: relative;
    max-width: 880px;
    margin: 0 auto;
}

.timeline-track {
    position: absolute;
    left: 32px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg,
        var(--accent-cyan) 0%,
        var(--accent-purple) 25%,
        var(--accent-amber) 50%,
        var(--accent-green) 75%,
        var(--accent-cyan) 100%
    );
    opacity: 0.2;
}

/* Timeline Node */
.timeline-node {
    position: relative;
    padding-left: 80px;
    margin-bottom: 32px;
}

.node-marker {
    position: absolute;
    left: 16px;
    top: 20px;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.node-number {
    font-family: var(--font-code);
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-cyan);
    position: relative;
    z-index: 2;
}

.node-pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid var(--accent-cyan);
    opacity: 0.5;
    animation: nodePulse 3s ease-in-out infinite;
}

.pulse-amber {
    border-color: var(--accent-amber);
}

@keyframes nodePulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.3); opacity: 0.1; }
}

/* Node Card */
.node-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.node-card:hover {
    border-color: var(--border-hover);
}

.node-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
}

.node-header:hover {
    background: rgba(0, 240, 255, 0.02);
}

.node-phase {
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--accent-cyan);
    letter-spacing: 2px;
    text-transform: uppercase;
    white-space: nowrap;
    flex-shrink: 0;
    padding: 3px 10px;
    background: rgba(0, 240, 255, 0.08);
    border-radius: 4px;
}

.phase-amber {
    color: var(--accent-amber);
    background: rgba(255, 159, 28, 0.08);
}

.node-title {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.5px;
    flex: 1;
}

.node-toggle {
    color: var(--accent-cyan);
    font-size: 14px;
    flex-shrink: 0;
    transition: var(--transition);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.timeline-node.expanded .node-toggle {
    transform: rotate(45deg);
    color: var(--accent-amber);
    border-color: rgba(255, 159, 28, 0.3);
}

/* Node Body (collapsed by default) */
.node-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
    padding: 0 24px;
}

.timeline-node.expanded .node-body {
    max-height: 800px;
    padding: 0 24px 24px;
}

.node-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

/* Node Diagram Canvas */
.node-diagram {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
}

.diagram-canvas {
    width: 100%;
    height: auto;
    display: block;
}

/* Node Code Preview */
.node-code-preview {
    margin-bottom: 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 20px;
    overflow-x: auto;
}

.node-code-preview pre {
    font-family: var(--font-code);
    font-size: 13px;
    line-height: 1.8;
}

/* Node Insight */
.node-insight {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: rgba(0, 240, 255, 0.04);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 8px;
    border-left: 3px solid var(--accent-cyan);
}

.insight-amber {
    background: rgba(255, 159, 28, 0.04);
    border-color: rgba(255, 159, 28, 0.1);
    border-left-color: var(--accent-amber);
}

.insight-icon {
    color: var(--accent-amber);
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 2px;
}

.node-insight p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    font-style: italic;
}

/* Signature node */
.node-signature .node-card {
    border-color: rgba(255, 159, 28, 0.2);
}

.node-signature .node-card:hover {
    border-color: rgba(255, 159, 28, 0.4);
    box-shadow: var(--glow-amber);
}

/* === ARCHITECTURE SHOWCASE === */
.architecture {
    padding: 120px 0;
    position: relative;
    z-index: 2;
}

.arch-container {
    position: relative;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8), var(--bg-card));
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    padding: 24px;
    transition: border-color 0.3s ease;
}

.arch-container:hover {
    border-color: rgba(0, 240, 255, 0.2);
}

.arch-canvas {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.arch-tooltip {
    position: absolute;
    pointer-events: none;
    background: rgba(10, 14, 26, 0.95);
    border-radius: 10px;
    padding: 14px 18px;
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--text-primary);
    max-width: 280px;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    transform: translateY(4px);
    z-index: 10;
    backdrop-filter: blur(10px);
    line-height: 1.6;
}

.arch-tooltip.visible {
    opacity: 1;
    transform: translateY(0);
}

.arch-legend {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.arch-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.arch-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--dot-color);
    box-shadow: 0 0 6px var(--dot-color);
}

/* === NO FRAMEWORKS COMPARISON === */
.no-frameworks {
    padding: 120px 0;
    position: relative;
    z-index: 2;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 28px;
    align-items: stretch;
    max-width: 1060px;
    margin: 0 auto;
}

.comparison-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.4s ease;
}

.comparison-card:hover {
    transform: translateY(-4px);
}

/* Terminal chrome (macOS window bar) */
.terminal-chrome {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid var(--border-color);
}

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

.terminal-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #eab308; }
.dot-green { background: #22c55e; }

.terminal-tab {
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-left: 8px;
}

.terminal-tab-active {
    color: var(--accent-cyan);
}

.comparison-card .code-block {
    padding: 20px 24px;
    flex: 1;
}

.comparison-others {
    border-color: rgba(239, 68, 68, 0.15);
}

.comparison-others:hover {
    border-color: rgba(239, 68, 68, 0.3);
}

.comparison-sagar {
    border-color: rgba(0, 240, 255, 0.2);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.05);
}

.comparison-sagar:hover {
    border-color: rgba(0, 240, 255, 0.4);
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.1);
}

.code-block {
    font-family: var(--font-code);
    font-size: 12.5px;
    line-height: 1.85;
}

.code-line {
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    min-height: 1.85em;
    white-space: nowrap;
}

.code-line.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Inline annotations */
.code-annotation {
    color: rgba(239, 68, 68, 0.45);
    font-size: 10px;
    margin-left: 8px;
}

.code-annotation-good {
    color: rgba(0, 240, 255, 0.4);
    font-size: 10px;
    margin-left: 8px;
}

/* Verdict badges */
.comparison-verdict {
    display: flex;
    gap: 12px;
    padding: 14px 24px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.verdict-item {
    font-family: var(--font-code);
    font-size: 10px;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 50px;
}

.verdict-bad .verdict-item {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.06);
    border: 1px solid rgba(239, 68, 68, 0.12);
}

.verdict-good .verdict-item {
    color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.06);
    border: 1px solid rgba(0, 240, 255, 0.12);
}

/* VS divider */
.comparison-divider {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.divider-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, rgba(255, 159, 28, 0.3), transparent);
}

.divider-vs {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-amber);
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid rgba(255, 159, 28, 0.3);
    background: rgba(255, 159, 28, 0.05);
    animation: vs-pulse 3s ease-in-out infinite;
}

@keyframes vs-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 159, 28, 0.1); }
    50% { box-shadow: 0 0 20px 5px rgba(255, 159, 28, 0.15); }
}

/* Punchline */
.comparison-punchline {
    text-align: center;
    margin-top: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.punchline-icon {
    color: var(--accent-cyan);
    font-size: 18px;
}

.comparison-punchline p {
    font-family: var(--font-display);
    font-size: 15px;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.comparison-punchline strong {
    color: var(--accent-cyan);
}

/* === SKILLS & EXPERTISE (Interactive Grid) === */
.skills-expertise {
    padding: 120px 0;
    position: relative;
    z-index: 2;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.expertise-card {
    perspective: 800px;
    min-height: 320px;
}

.expertise-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 320px;
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.expertise-card.flipped .expertise-card-inner {
    transform: rotateY(180deg);
}

.expertise-front, .expertise-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 28px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.expertise-front {
    background: var(--bg-card);
}

.expertise-front:hover {
    border-color: var(--card-accent, var(--accent-cyan));
    box-shadow: 0 0 30px color-mix(in srgb, var(--card-accent, var(--accent-cyan)) 15%, transparent);
}

.expertise-back {
    background: var(--bg-secondary);
    transform: rotateY(180deg);
    border-color: var(--card-accent, var(--accent-cyan));
}

.expertise-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: color-mix(in srgb, var(--card-accent, var(--accent-cyan)) 10%, transparent);
    font-size: 24px;
    color: var(--card-accent, var(--accent-cyan));
    margin-bottom: 16px;
    border: 1px solid color-mix(in srgb, var(--card-accent, var(--accent-cyan)) 20%, transparent);
}

.expertise-front h3 {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
    line-height: 1.4;
    margin-bottom: 12px;
}

.expertise-preview {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    flex: 1;
}

.expertise-tools-mini {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
}

.expertise-tools-mini span {
    font-family: var(--font-code);
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.expertise-back h4 {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--card-accent, var(--accent-cyan));
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.expertise-topics {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.topic-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.topic-name {
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--text-secondary);
}

.topic-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 2px;
    overflow: hidden;
}

.topic-fill {
    height: 100%;
    width: 0;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--card-accent, var(--accent-cyan)), color-mix(in srgb, var(--card-accent, var(--accent-cyan)) 60%, white));
    transition: width 1s ease 0.3s;
}

.expertise-card.flipped .topic-fill {
    width: var(--topic-width, 0%);
}

.expertise-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 14px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

.expertise-tools span {
    font-family: var(--font-code);
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 3px;
    background: color-mix(in srgb, var(--card-accent, var(--accent-cyan)) 8%, transparent);
    color: var(--card-accent, var(--accent-cyan));
    border: 1px solid color-mix(in srgb, var(--card-accent, var(--accent-cyan)) 15%, transparent);
}

/* === INTERACTIVE DEMOS ("The Lab") === */
.demos-section {
    padding: 120px 0;
    position: relative;
    z-index: 2;
    background: linear-gradient(180deg, transparent, rgba(0, 240, 255, 0.01), transparent);
}

.demos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.demo-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    position: relative;
}

.demo-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 15px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.3), rgba(139, 92, 246, 0.3), rgba(255, 159, 28, 0.3));
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

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

.demo-card:hover {
    border-color: transparent;
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 240, 255, 0.08);
}

.demo-preview {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.demo-preview-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.demo-status {
    position: absolute;
    top: 10px;
    right: 10px;
    font-family: var(--font-code);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 50px;
}

.demo-status.live {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.3);
    animation: live-pulse 2s ease-in-out infinite;
}

@keyframes live-pulse {
    0%, 100% { box-shadow: 0 0 4px rgba(16, 185, 129, 0.2); }
    50% { box-shadow: 0 0 12px rgba(16, 185, 129, 0.5); }
}

.demo-status.coming {
    background: rgba(255, 159, 28, 0.1);
    color: var(--accent-amber);
    border: 1px solid rgba(255, 159, 28, 0.2);
}

.demo-content {
    padding: 20px 24px 24px;
}

.demo-title {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.demo-title i {
    color: var(--accent-cyan);
    font-size: 16px;
}

.demo-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.demo-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.demo-tech-tags span {
    font-family: var(--font-code);
    font-size: 10px;
    padding: 2px 8px;
    background: rgba(0, 240, 255, 0.04);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 3px;
    color: var(--accent-cyan);
}

.btn-demo {
    padding: 10px 20px;
    font-size: 12px;
    background: rgba(0, 240, 255, 0.08);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 240, 255, 0.2);
    gap: 8px;
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.btn-demo:hover:not(:disabled) {
    background: rgba(0, 240, 255, 0.2);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.25), var(--glow-cyan);
    transform: translateY(-2px);
    letter-spacing: 1px;
}

.btn-demo:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    color: var(--text-muted);
    border-color: rgba(255, 255, 255, 0.05);
}

/* Demo Modal */
.demo-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.demo-modal.active {
    opacity: 1;
    pointer-events: all;
}

.demo-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
}

.demo-modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--accent-cyan);
    border-radius: 16px;
    width: 90%;
    max-width: 860px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 0 60px rgba(0, 240, 255, 0.1);
}

.demo-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
}

.demo-modal-header h3 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: var(--accent-cyan);
}

.demo-modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
}

.demo-modal-close:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

.demo-modal-body {
    padding: 24px;
}

#demo-modal-canvas {
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: block;
    margin-bottom: 16px;
}

.demo-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.demo-controls label {
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.demo-controls input[type="range"] {
    -webkit-appearance: none;
    width: 120px;
    height: 4px;
    background: var(--bg-card);
    border-radius: 2px;
    outline: none;
}

.demo-controls input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-cyan);
    cursor: pointer;
    box-shadow: var(--glow-cyan);
}

.demo-controls button {
    padding: 6px 14px;
    font-family: var(--font-code);
    font-size: 11px;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 4px;
    color: var(--accent-cyan);
    cursor: pointer;
    transition: var(--transition);
}

.demo-controls button:hover {
    background: rgba(0, 240, 255, 0.15);
}

.demo-how-it-works {
    padding: 0 24px 20px;
}

.how-toggle {
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.how-toggle:hover { color: var(--accent-cyan); }

.how-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-top: 8px;
    display: none;
}

.how-text.visible { display: block; }

/* === PROJECTS (with filters) === */
.projects {
    padding: 120px 0;
    position: relative;
    z-index: 2;
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 7px 20px;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-family: var(--font-code);
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.filter-btn:hover { border-color: var(--border-hover); color: var(--accent-cyan); }

.filter-btn.active {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: var(--bg-primary);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(0, 240, 255, 0.2);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 28px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.project-card.hidden { display: none; }

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-glow {
    position: absolute;
    top: -40px;
    right: -40px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--accent-cyan);
    filter: blur(80px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-slow);
}

.project-card:hover .project-glow { opacity: 0.08; }

.project-featured {
    position: absolute;
    top: 12px;
    right: 12px;
    font-family: var(--font-code);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 50px;
    background: rgba(255, 159, 28, 0.12);
    color: var(--accent-amber);
    border: 1px solid rgba(255, 159, 28, 0.2);
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.project-icon { font-size: 26px; color: var(--accent-cyan); }

.project-links a {
    color: var(--text-muted);
    font-size: 18px;
    transition: var(--transition);
}

.project-links a:hover { color: var(--accent-cyan); }
.project-links a:hover .fa-youtube { color: #ff0000; }

.project-title {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.project-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 14px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.project-tags span {
    font-family: var(--font-code);
    font-size: 10px;
    padding: 2px 8px;
    background: rgba(0, 240, 255, 0.04);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 3px;
    color: var(--accent-cyan);
}

/* === TECH STACK MARQUEE === */
.techstack-section {
    padding: 80px 0;
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.marquee-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
    overflow: hidden;
}

.marquee-track {
    display: flex;
    gap: 16px;
    animation: marqueeScroll 40s linear infinite;
    width: max-content;
}

.marquee-reverse {
    animation-direction: reverse;
    animation-duration: 45s;
}

@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.marquee-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    white-space: nowrap;
    transition: var(--transition);
    flex-shrink: 0;
}

.marquee-item:hover {
    border-color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.04);
}

.marquee-item i {
    font-size: 18px;
    color: var(--text-muted);
    transition: var(--transition);
}

.marquee-item:hover i { color: var(--accent-cyan); }

.marquee-item span {
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--text-secondary);
}

.marquee-icon-text {
    font-family: var(--font-display) !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    color: var(--text-muted) !important;
    width: 24px;
    height: 24px;
    display: flex !important;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.04);
}

.marquee-item:hover .marquee-icon-text { color: var(--accent-cyan) !important; }

/* === FOOTER / CONTACT === */
.footer {
    padding: 100px 0 40px;
    position: relative;
    z-index: 2;
    border-top: 1px solid var(--border-color);
}

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

.footer-cta {
    margin-bottom: 40px;
}

.footer-headline {
    font-family: var(--font-display);
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.footer-sub {
    font-size: 17px;
    color: var(--accent-cyan);
}

.footer-contact-grid {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-family: var(--font-display);
    font-size: 13px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    transition: var(--transition);
}

.footer-link:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
    transform: translateY(-3px);
}

.footer-link i { font-size: 16px; }

.hf-icon {
    width: 20px !important;
    height: 20px !important;
    font-size: 9px !important;
}

.footer-tagline {
    font-family: var(--font-code);
    font-size: 18px;
    margin-bottom: 24px;
}

.footer-credit {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.footer-copy {
    font-size: 12px;
    color: var(--text-muted);
    opacity: 0.6;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === Scroll Reveal === */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
    transition-delay: calc(var(--delay, 0) * 0.15s);
}

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

/* === Custom Scrollbar === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-card); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-cyan); }

::selection { background: rgba(0, 240, 255, 0.2); color: var(--accent-cyan); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .hero-layer-labels { display: none; }
    .comparison-grid { grid-template-columns: 1fr; }
    .comparison-divider { margin: -12px 0; }
    .expertise-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .hamburger { display: flex; }
    .hero { padding: 80px 20px 60px; }

    .domain-tabs { gap: 8px; }
    .domain-tab { min-width: 120px; padding: 12px 16px; }
    .domain-tab-label { font-size: 11px; }
    .domain-tab-desc { display: none !important; }

    .badge-categories { grid-template-columns: 1fr; }
    .badge-category { padding: 18px 20px; }
    .badge-category:last-child:nth-child(odd) { max-width: 100%; }
    .skill-badge { font-size: 11px; padding: 5px 12px; }

    /* Architecture mobile fix */
    .architecture { padding: 60px 0; }
    .arch-container { padding: 10px; }
    .arch-tooltip { max-width: 220px; font-size: 11px; padding: 10px 12px; }
    .arch-legend { gap: 12px; }
    .arch-legend-item { font-size: 10px; }

    .philosophy-counters {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .timeline-node { padding-left: 56px; }
    .timeline-track { left: 18px; }
    .node-marker { left: 2px; }
    .node-diagram canvas { height: 200px; }

    .expertise-grid { grid-template-columns: 1fr; }
    .expertise-card { min-height: 280px; }
    .expertise-card-inner { min-height: 280px; }

    .demos-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }

    .footer-contact-grid { flex-direction: column; align-items: center; gap: 12px; }
    .circuit-border { display: none; }

    .demo-modal-content { width: 96%; max-height: 95vh; }
}

@media (max-width: 480px) {
    .hero-name-line { font-size: 36px; letter-spacing: 3px; }
    .hero-actions { flex-direction: column; }
    .hero-stats { gap: 10px; }
    .hero-stat { padding: 8px 10px; min-width: 65px; }
    .hero-stat-num { font-size: 18px; }
    .terminal-status-bar { flex-wrap: wrap; gap: 6px; }
    .btn { width: 100%; justify-content: center; }
    .project-filters { gap: 6px; }
    .filter-btn { padding: 5px 14px; font-size: 11px; }
}

/* ============================================
   BLOG SECTION (INDEX PAGE) - TILES
   ============================================ */

.blog-section {
    padding: 100px 0;
}

.blog-tiles {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-top: 48px;
}

.blog-tile {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 36px 32px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    overflow: hidden;
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.blog-tile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    opacity: 0;
    transition: opacity 0.3s;
}

.blog-tile:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 255, 255, 0.08);
}

.blog-tile:hover::before {
    opacity: 1;
}

.blog-tile-number {
    font-family: 'Space Mono', monospace;
    font-size: 48px;
    font-weight: 700;
    color: var(--accent-cyan);
    opacity: 0.12;
    line-height: 1;
    margin-bottom: 8px;
    transition: opacity 0.3s;
}

.blog-tile:hover .blog-tile-number {
    opacity: 0.25;
}

.blog-tile-tag {
    display: inline-block;
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent-cyan);
    background: rgba(0, 255, 255, 0.08);
    border: 1px solid rgba(0, 255, 255, 0.15);
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 16px;
    width: fit-content;
}

.blog-tile-title {
    font-family: 'Space Mono', monospace;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.blog-tile:hover .blog-tile-title {
    color: var(--accent-cyan);
}

.blog-tile-excerpt {
    font-family: 'Source Sans 3', sans-serif;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

.blog-tile-meta {
    display: flex;
    gap: 16px;
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
    opacity: 0.7;
}

.blog-tile-meta i {
    margin-right: 4px;
    color: var(--accent-cyan);
    opacity: 0.5;
}

.blog-tile-arrow {
    position: absolute;
    top: 36px;
    right: 32px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 14px;
    opacity: 0;
    transform: translateX(-8px);
    transition: opacity 0.3s, transform 0.3s, border-color 0.3s, color 0.3s;
}

.blog-tile:hover .blog-tile-arrow {
    opacity: 1;
    transform: translateX(0);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

@media (max-width: 768px) {
    .blog-tiles {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .blog-tile {
        padding: 28px 24px;
    }
    .blog-tile-number {
        font-size: 36px;
    }
    .blog-tile-title {
        font-size: 17px;
    }
    .blog-tile-meta {
        flex-wrap: wrap;
        gap: 10px;
    }
}

/* ============================================
   BLOG PAGE STYLES
   ============================================ */

/* === Reading Progress Bar === */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 1001;
    background: transparent;
}

.reading-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-amber));
    transition: width 0.1s ease;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

/* === Blog Layout (TOC + Article) === */
.blog-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 80px;
    position: relative;
    z-index: 2;
}

/* === Blog TOC Sidebar === */
.blog-toc {
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
    padding: 32px 16px 32px 24px;
    overflow-y: auto;
    border-right: 1px solid var(--border-color);
}

.blog-toc::-webkit-scrollbar { width: 3px; }
.blog-toc::-webkit-scrollbar-thumb { background: var(--bg-card); border-radius: 2px; }

.toc-header {
    margin-bottom: 20px;
}

.toc-label {
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.toc-list {
    list-style: none;
    counter-reset: toc-counter;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toc-list li {
    counter-increment: toc-counter;
}

.toc-link {
    display: block;
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--text-muted);
    padding: 6px 10px;
    border-radius: 6px;
    border-left: 2px solid transparent;
    transition: all 0.25s ease;
    line-height: 1.4;
}

.toc-link::before {
    content: counter(toc-counter, decimal-leading-zero) ". ";
    font-family: var(--font-code);
    font-size: 10px;
    color: var(--text-muted);
    opacity: 0.5;
}

.toc-link:hover {
    color: var(--text-secondary);
    background: rgba(0, 240, 255, 0.03);
}

.toc-link.active {
    color: var(--accent-cyan);
    border-left-color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.05);
}

.toc-link.active::before {
    color: var(--accent-cyan);
    opacity: 1;
}

/* === Blog Article === */
.blog-article {
    padding: 40px 48px 80px;
    max-width: 820px;
    min-width: 0;
}

/* === Blog Hero Header === */
.blog-hero {
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
}

.blog-hero-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.blog-tag {
    font-family: var(--font-code);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent-cyan);
    padding: 4px 12px;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-radius: 4px;
}

.blog-date,
.blog-reading-time {
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--text-muted);
}

.blog-reading-time i {
    margin-right: 4px;
}

.blog-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.blog-subtitle {
    font-family: var(--font-code);
    font-size: 16px;
    color: var(--accent-amber);
    margin-bottom: 16px;
}

.blog-intro {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
}

/* === Blog Body Typography === */
.blog-body h2 {
    font-family: var(--font-display);
    font-size: clamp(22px, 3vw, 28px);
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 56px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    letter-spacing: 0.5px;
    line-height: 1.3;
}

.blog-body h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-top: 36px;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}

.blog-body p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.85;
    margin-bottom: 16px;
}

.blog-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

.blog-body em {
    color: var(--text-primary);
    font-style: italic;
}

.blog-body code {
    font-family: var(--font-code);
    font-size: 14px;
    color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.06);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid rgba(0, 240, 255, 0.1);
}

.blog-body ol,
.blog-body ul {
    padding-left: 24px;
    margin-bottom: 16px;
}

.blog-body li {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 6px;
}

.blog-body li strong {
    color: var(--text-primary);
}

.section-num {
    font-family: var(--font-code);
    font-size: 14px;
    color: var(--accent-amber);
    margin-right: 8px;
    opacity: 0.7;
}

/* === Blog Section === */
.blog-section {
    margin-bottom: 24px;
}

/* === Blog Diagrams (ASCII art) === */
.blog-diagram {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px 24px;
    margin: 20px 0;
    overflow-x: auto;
}

.blog-diagram pre {
    font-family: var(--font-code);
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
    white-space: pre;
    margin: 0;
}

.blog-diagram-highlight {
    border-color: rgba(0, 240, 255, 0.2);
    background: rgba(0, 240, 255, 0.03);
}

.blog-diagram-highlight pre {
    color: var(--accent-cyan);
    font-size: 16px;
    font-weight: 700;
    text-align: center;
}

/* === Code Blocks (Blog) === */
.code-wrapper {
    margin: 20px 0 24px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: #0d1117;
}

.code-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.4);
    border-bottom: 1px solid var(--border-color);
}

.code-lang {
    font-family: var(--font-code);
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-amber);
    padding: 2px 8px;
    background: rgba(255, 159, 28, 0.1);
    border-radius: 3px;
    letter-spacing: 0.5px;
}

.code-filename {
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--text-muted);
    flex: 1;
}

.code-copy-btn {
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--text-muted);
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 4px 10px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 4px;
}

.code-copy-btn:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

.code-copy-btn.copied {
    color: var(--accent-green);
    border-color: var(--accent-green);
}

pre.blog-code {
    padding: 20px;
    overflow-x: auto;
    font-family: var(--font-code);
    font-size: 13px;
    line-height: 1.75;
    tab-size: 4;
    margin: 0;
}

pre.blog-code code {
    font-family: inherit;
    font-size: inherit;
    background: none;
    border: none;
    padding: 0;
    color: #e6edf3;
}

/* === Syntax Highlighting Colors === */
.syn-keyword { color: #ff7b72; }
.syn-func { color: #d2a8ff; }
.syn-class { color: #79c0ff; }
.syn-string { color: #a5d6ff; }
.syn-number { color: #79c0ff; }
.syn-comment { color: #8b949e; font-style: italic; }
.syn-decorator { color: #ffa657; }
.syn-module { color: #ffa657; }
.syn-builtin { color: #79c0ff; }
.syn-param { color: #ffa657; }
.syn-var { color: #e6edf3; }

/* === Blog Table === */
.blog-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-family: var(--font-code);
    font-size: 13px;
    overflow-x: auto;
    display: block;
}

.blog-table thead {
    background: rgba(0, 240, 255, 0.06);
}

.blog-table th {
    padding: 12px 16px;
    text-align: left;
    color: var(--accent-cyan);
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-bottom: 2px solid rgba(0, 240, 255, 0.15);
    white-space: nowrap;
}

.blog-table td {
    padding: 10px 16px;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(100, 116, 139, 0.1);
    line-height: 1.6;
}

.blog-table tbody tr:hover {
    background: rgba(0, 240, 255, 0.03);
}

.blog-table td:first-child {
    color: var(--text-primary);
    font-weight: 600;
}

.blog-table td strong {
    color: var(--accent-amber);
}

/* === Blog Callout (Key Insight) === */
.blog-callout {
    display: flex;
    gap: 14px;
    padding: 18px 20px;
    margin: 24px 0;
    background: rgba(255, 159, 28, 0.04);
    border: 1px solid rgba(255, 159, 28, 0.12);
    border-radius: 10px;
    border-left: 3px solid var(--accent-amber);
}

.callout-icon {
    color: var(--accent-amber);
    font-size: 18px;
    flex-shrink: 0;
    margin-top: 2px;
}

.callout-content {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.75;
}

.callout-content strong {
    color: var(--accent-amber);
}

.callout-content em {
    color: var(--text-primary);
}

.callout-content code {
    font-family: var(--font-code);
    font-size: 13px;
    color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.06);
    padding: 1px 5px;
    border-radius: 3px;
    border: 1px solid rgba(0, 240, 255, 0.1);
}

/* === Blog Read Next === */
.blog-read-next {
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.blog-read-next-label {
    display: block;
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.blog-read-next-card {
    display: block;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.blog-read-next-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-amber));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.blog-read-next-card:hover {
    border-color: rgba(0, 240, 255, 0.25);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 240, 255, 0.08);
}

.blog-read-next-card:hover::before {
    opacity: 1;
}

.blog-read-next-tag {
    display: inline-block;
    font-family: var(--font-code);
    font-size: 10px;
    color: var(--accent-amber);
    letter-spacing: 1px;
    text-transform: uppercase;
    background: rgba(255, 159, 28, 0.08);
    padding: 3px 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.blog-read-next-title {
    display: block;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.blog-read-next-desc {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

.blog-read-next-arrow {
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: var(--accent-cyan);
    opacity: 0;
    transition: all 0.3s ease;
}

.blog-read-next-card:hover .blog-read-next-arrow {
    opacity: 1;
    transform: translateY(-50%) translateX(4px);
}

/* === Blog Footer Note === */
.blog-footer-note {
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.blog-footer-note p {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 24px;
}

.blog-back-btn {
    display: inline-flex;
}

/* === Blog Responsive === */
@media (max-width: 1024px) {
    .blog-layout {
        grid-template-columns: 1fr;
    }

    .blog-toc {
        position: fixed;
        top: 64px;
        left: 0;
        width: 280px;
        height: calc(100vh - 64px);
        background: rgba(10, 14, 26, 0.98);
        backdrop-filter: blur(20px);
        border-right: 1px solid var(--border-color);
        z-index: 999;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        padding: 24px 16px;
    }

    .blog-toc.toc-open {
        transform: translateX(0);
    }

    .blog-article {
        padding: 32px 24px 80px;
    }
}

@media (max-width: 768px) {
    .blog-article {
        padding: 24px 16px 60px;
    }

    .blog-title {
        font-size: 24px;
    }

    pre.blog-code {
        font-size: 12px;
        padding: 14px;
        line-height: 1.6;
    }

    .code-header {
        flex-wrap: wrap;
        gap: 8px;
    }

    .blog-callout {
        flex-direction: column;
        gap: 8px;
    }

    .blog-hero-meta {
        gap: 8px;
    }

    .blog-table {
        font-size: 11px;
    }

    .blog-table th,
    .blog-table td {
        padding: 8px 10px;
    }

    .blog-read-next-arrow {
        display: none;
    }

    .blog-read-next-title {
        font-size: 16px;
    }
}