/* =============================================
   EigenPercept LLC — Design System & Styles
   ============================================= */

/* CSS Custom Properties / Design Tokens */
:root {
    /* Colors — Dark Theme */
    --bg-primary: #06090f;
    --bg-secondary: #0c1220;
    --bg-tertiary: #111a2e;
    --bg-card: rgba(15, 23, 42, 0.6);
    --bg-glass: rgba(15, 23, 42, 0.4);
    --bg-glass-border: rgba(100, 160, 255, 0.08);

    /* Text Colors */
    --text-primary: #e8edf5;
    --text-secondary: #8a95a8;
    --text-tertiary: #5a6578;
    --text-white: #ffffff;

    /* Accent Colors */
    --cyan: #00d4ff;
    --cyan-light: #5ce5ff;
    --cyan-dark: #0099cc;
    --purple: #a855f7;
    --purple-light: #c084fc;
    --purple-dark: #7c3aed;
    --orange: #f97316;
    --orange-light: #fb923c;
    --orange-dark: #ea580c;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--cyan) 0%, var(--purple) 100%);
    --gradient-hero: linear-gradient(135deg, var(--cyan-light) 0%, var(--purple-light) 50%, var(--orange-light) 100%);
    --gradient-cyan: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-dark) 100%);
    --gradient-purple: linear-gradient(135deg, var(--purple) 0%, var(--purple-dark) 100%);
    --gradient-orange: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Borders & Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-glow-cyan: 0 0 30px rgba(0, 212, 255, 0.15);
    --shadow-glow-purple: 0 0 30px rgba(168, 85, 247, 0.15);
    --shadow-glow-orange: 0 0 30px rgba(249, 115, 22, 0.15);
    --shadow-card: 0 4px 60px rgba(0, 0, 0, 0.4);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* =============================================
   Light Mode Theme Override
   ============================================= */
[data-theme="light"] {
    /* Backgrounds */
    --bg-primary: #f0f4ff;
    --bg-secondary: #e4eaff;
    --bg-tertiary: #dae2ff;
    --bg-card: rgba(255, 255, 255, 0.75);
    --bg-glass: rgba(255, 255, 255, 0.6);
    --bg-glass-border: rgba(80, 120, 220, 0.15);

    /* Text */
    --text-primary: #1a1f35;
    --text-secondary: #4a5270;
    --text-tertiary: #7a84a8;
    --text-white: #0f1628;

    /* Adjusted Accent – keep neon but slightly richer */
    --cyan: #0099cc;
    --cyan-light: #00b8e6;
    --cyan-dark: #007aa8;
    --purple: #7c3aed;
    --purple-light: #9554f5;
    --purple-dark: #5b21b6;
    --orange: #ea580c;
    --orange-light: #f97316;
    --orange-dark: #c2410c;

    /* Shadows */
    --shadow-glow-cyan: 0 0 30px rgba(0, 153, 204, 0.2);
    --shadow-glow-purple: 0 0 30px rgba(124, 58, 237, 0.2);
    --shadow-glow-orange: 0 0 30px rgba(234, 88, 12, 0.2);
    --shadow-card: 0 4px 60px rgba(80, 100, 180, 0.12);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-base);
}

img {
    max-width: 100%;
    height: auto;
}

/* =============================================
   Utilities
   ============================================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

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

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

.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
}

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

/* =============================================
   Navigation
   ============================================= */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: all var(--transition-base);
}

.nav.scrolled {
    background: rgba(6, 9, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(100, 160, 255, 0.06);
    padding: var(--space-sm) 0;
}

[data-theme="light"] .nav.scrolled {
    background: rgba(240, 244, 255, 0.88);
    border-bottom-color: rgba(80, 120, 220, 0.1);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    z-index: 1001;
}

.nav-logo-img {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
}

.nav-logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: -0.02em;
}

/* =============================================
   Theme Toggle Button
   ============================================= */
.nav-theme-toggle {
    position: relative;
    width: 52px;
    height: 28px;
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 3px;
    transition: background var(--transition-base), border-color var(--transition-base);
    flex-shrink: 0;
    z-index: 1001;
}

.nav-theme-toggle:hover {
    border-color: var(--cyan);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
}

.nav-theme-toggle-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-spring), background var(--transition-base);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

[data-theme="light"] .nav-theme-toggle-thumb {
    transform: translateX(24px);
    background: var(--gradient-orange);
}

.nav-theme-toggle-icon {
    width: 11px;
    height: 11px;
    color: white;
    pointer-events: none;
    flex-shrink: 0;
    position: absolute;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

/* Moon icon – visible in dark mode */
.icon-moon {
    opacity: 1;
    transform: scale(1);
    left: 6px;
}

/* Sun icon – visible in light mode */
.icon-sun {
    opacity: 0;
    transform: scale(0.5) rotate(90deg);
    right: 6px;
}

[data-theme="light"] .icon-moon {
    opacity: 0;
    transform: scale(0.5) rotate(-90deg);
}

[data-theme="light"] .icon-sun {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
    border-radius: 1px;
}

.nav-link:hover {
    color: var(--text-white);
}

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

.nav-link-cta {
    background: var(--gradient-primary);
    color: var(--bg-primary) !important;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

/* Hamburger */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    z-index: 1001;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

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

.nav-hamburger.active span:nth-child(2) {
    opacity: 0;
}

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

/* =============================================
   Hero Section
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-5xl) var(--space-xl) var(--space-4xl);
    z-index: 1;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--cyan-light);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-2xl);
    animation: fadeInDown 0.8s ease-out;
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--cyan);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.5);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5.5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-white);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* Hero Actions */
.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-4xl);
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.35);
}

.btn-primary svg {
    transition: transform var(--transition-base);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(100, 160, 255, 0.2);
    padding: calc(var(--space-md) - 1px) var(--space-xl);
}

.btn-outline:hover {
    border-color: var(--cyan);
    color: var(--cyan-light);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.05rem;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3xl);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

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

.hero-stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-stat-plus {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: var(--space-xs);
}

/* Hero Visual Elements */
.hero-visual {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: var(--cyan);
    top: -100px;
    right: -100px;
    animation: float-orb 8s ease-in-out infinite;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: var(--purple);
    bottom: -50px;
    left: -100px;
    animation: float-orb 10s ease-in-out infinite reverse;
}

.hero-orb-3 {
    width: 300px;
    height: 300px;
    background: var(--orange);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.15;
    animation: float-orb 12s ease-in-out infinite;
}

@keyframes float-orb {

    0%,
    100% {
        transform: translate(0, 0);
    }

    33% {
        transform: translate(30px, -20px);
    }

    66% {
        transform: translate(-20px, 15px);
    }
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

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

@keyframes scroll-line {
    0% {
        opacity: 1;
        transform: scaleY(1);
    }

    50% {
        opacity: 0.3;
        transform: scaleY(0.5);
    }

    100% {
        opacity: 1;
        transform: scaleY(1);
    }
}

.hero-scroll-indicator span {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* =============================================
   Sections — Common
   ============================================= */
.section {
    position: relative;
    z-index: 1;
    padding: var(--space-5xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-4xl);
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: var(--space-lg);
    position: relative;
    padding: var(--space-xs) var(--space-lg);
    background: rgba(0, 212, 255, 0.06);
    border: 1px solid rgba(0, 212, 255, 0.12);
    border-radius: var(--radius-full);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-white);
    margin-bottom: var(--space-lg);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* =============================================
   About Section
   ============================================= */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.about-card {
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

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

.about-card:hover {
    transform: translateY(-4px);
    border-color: rgba(100, 160, 255, 0.15);
    box-shadow: var(--shadow-glow-cyan);
}

.about-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    color: var(--cyan);
}

.about-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: var(--space-md);
}

.about-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* =============================================
   Projects Section
   ============================================= */
.project-card {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    margin-bottom: var(--space-3xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.project-card:hover {
    border-color: rgba(100, 160, 255, 0.12);
    transform: translateY(-4px);
}

.project-card-reverse .project-card-content {
    order: 2;
}

.project-card-reverse .project-visual {
    order: 1;
}

/* Project Glow */
.project-card-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.08;
    transition: opacity var(--transition-slow);
}

.project-card:hover .project-card-glow {
    opacity: 0.15;
}

.project-glow-cyan {
    background: var(--cyan);
    top: -100px;
    right: -100px;
}

.project-glow-purple {
    background: var(--purple);
    top: -100px;
    left: -100px;
}

.project-glow-orange {
    background: var(--orange);
    top: -100px;
    right: -100px;
}

/* Project Content */
.project-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.project-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.project-icon-cyan {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    color: var(--cyan);
}

.project-icon-purple {
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    color: var(--purple);
}

.project-icon-orange {
    background: rgba(249, 115, 22, 0.1);
    border: 1px solid rgba(249, 115, 22, 0.2);
    color: var(--orange);
}

.project-name {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-white);
    letter-spacing: -0.02em;
}

.project-tagline {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.project-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

/* Project Features */
.project-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.project-feature {
    padding-left: var(--space-lg);
    border-left: 2px solid rgba(100, 160, 255, 0.1);
}

.project-feature-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--space-xs);
}

.feature-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.feature-dot-cyan {
    background: var(--cyan);
}

.feature-dot-purple {
    background: var(--purple);
}

.feature-dot-orange {
    background: var(--orange);
}

.project-feature p {
    font-size: 0.82rem;
    color: var(--text-tertiary);
    line-height: 1.6;
}

/* Tech Stack Tags */
.project-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tech-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: rgba(100, 160, 255, 0.05);
    border: 1px solid rgba(100, 160, 255, 0.1);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.tech-tag:hover {
    color: var(--cyan-light);
    border-color: rgba(0, 212, 255, 0.3);
    background: rgba(0, 212, 255, 0.08);
}

/* Project Visuals */
.project-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    min-height: 300px;
}

.project-visual-cyan {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.03), rgba(0, 212, 255, 0.08));
    border: 1px solid rgba(0, 212, 255, 0.08);
}

.project-visual-purple {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.03), rgba(168, 85, 247, 0.08));
    border: 1px solid rgba(168, 85, 247, 0.08);
}

.project-visual-orange {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.03), rgba(249, 115, 22, 0.08));
    border: 1px solid rgba(249, 115, 22, 0.08);
}

.project-node-graph,
.project-telemetry-viz,
.project-voxel-viz {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-node-graph canvas,
.project-telemetry-viz canvas,
.project-voxel-viz canvas {
    width: 100%;
    height: 100%;
}

/* =============================================
   Industries Section
   ============================================= */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.industry-card {
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.industry-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

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

.industry-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card);
    border-color: rgba(100, 160, 255, 0.15);
}

.industry-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-lg);
    margin: 0 auto var(--space-xl);
    color: var(--cyan);
    transition: all var(--transition-base);
}

.industry-card:hover .industry-icon {
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.25);
    box-shadow: var(--shadow-glow-cyan);
}

.industry-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: var(--space-md);
}

.industry-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.industry-tags {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.industry-tags span {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-tertiary);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(100, 160, 255, 0.04);
    border: 1px solid rgba(100, 160, 255, 0.08);
    border-radius: var(--radius-sm);
}

/* =============================================
   Tech Marquee
   ============================================= */
.tech-marquee-section {
    position: relative;
    z-index: 1;
    padding: var(--space-2xl) 0;
    background: linear-gradient(to right, var(--bg-primary), rgba(0, 212, 255, 0.02), var(--bg-primary));
    border-top: 1px solid rgba(100, 160, 255, 0.05);
    border-bottom: 1px solid rgba(100, 160, 255, 0.05);
    overflow: hidden;
}

.tech-marquee {
    overflow: hidden;
    white-space: nowrap;
}

.tech-marquee-track {
    display: inline-flex;
    animation: marquee 30s linear infinite;
}

.marquee-item {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-tertiary);
    padding: 0 var(--space-lg);
}

.marquee-divider {
    color: rgba(0, 212, 255, 0.2);
    font-size: 0.6rem;
    padding: 0 var(--space-sm);
}

@keyframes marquee {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

/* =============================================
   Contact Section
   ============================================= */
.contact-card {
    padding: var(--space-4xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

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

.contact .section-title {
    margin-bottom: var(--space-md);
}

.contact .section-subtitle {
    max-width: 550px;
    margin: 0 auto var(--space-2xl);
}

.contact-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.contact-item svg {
    color: var(--cyan);
    flex-shrink: 0;
}

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

.contact-actions {
    display: flex;
    justify-content: center;
}

.contact-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.contact-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
}

.contact-orb-1 {
    width: 300px;
    height: 300px;
    background: var(--cyan);
    opacity: 0.05;
    top: -100px;
    right: -50px;
}

.contact-orb-2 {
    width: 250px;
    height: 250px;
    background: var(--purple);
    opacity: 0.05;
    bottom: -80px;
    left: -50px;
}

/* =============================================
   Footer
   ============================================= */
.footer {
    position: relative;
    z-index: 1;
    padding: var(--space-4xl) 0 var(--space-2xl);
    border-top: 1px solid rgba(100, 160, 255, 0.06);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.footer-logo-img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: var(--space-4xl);
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-lg);
}

.footer-col a {
    display: block;
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--cyan-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(100, 160, 255, 0.06);
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

.footer-built {
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Animations */
[data-animate] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

[data-delay="100"] {
    transition-delay: 100ms;
}

[data-delay="200"] {
    transition-delay: 200ms;
}

[data-delay="300"] {
    transition-delay: 300ms;
}

/* =============================================
   Responsive Design
   ============================================= */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-card {
        grid-template-columns: 1fr;
    }

    .project-card-reverse .project-card-content {
        order: 1;
    }

    .project-card-reverse .project-visual {
        order: 2;
    }

    .project-visual {
        min-height: 250px;
    }

    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(6, 9, 15, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-2xl);
        z-index: 1000;
    }

    [data-theme="light"] .nav-links {
        background: rgba(240, 244, 255, 0.97);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links .nav-link {
        font-size: 1.2rem;
    }

    .nav-hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-stats {
        gap: var(--space-xl);
    }

    .hero-stat-number {
        font-size: 2rem;
    }

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

    .project-card {
        padding: var(--space-xl);
    }

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

    .contact-card {
        padding: var(--space-2xl);
    }

    .contact-info {
        flex-direction: column;
        gap: var(--space-md);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-2xl);
    }

    .footer-links {
        gap: var(--space-2xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero {
        padding: var(--space-4xl) var(--space-md) var(--space-3xl);
    }

    .section {
        padding: var(--space-3xl) 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .project-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-links {
        flex-wrap: wrap;
    }
}