:root {
    /* Colors */
    --color-bg: #050505;
    --color-bg-alt: #0a0a0a;
    --color-text: #e0e0e0;
    --color-text-muted: #a0a0a0;
    --color-accent: #3b82f6;
    /* Technical Blue */
    --color-accent-glow: rgba(59, 130, 246, 0.5);
    --color-glass: rgba(255, 255, 255, 0.03);
    --color-glass-border: rgba(255, 255, 255, 0.08);
    --color-obsidian: #000000;

    /* Gradients */
    --gradient-tech: linear-gradient(135deg, #1a1a1a 0%, #050505 100%);
    --gradient-glow: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.15), transparent 70%);

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Outfit', system-ui, -apple-system, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Layout */
    --container-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: #fff;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.text-gradient {
    background: linear-gradient(to right, #fff, #a0a0a0);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glass-panel {
    background: var(--color-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--color-glass-border);
    border-radius: 16px;
}


/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-glass-border);
}

header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    height: 40px;
    width: auto;
    max-width: 200px;
}

.logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
    display: block;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.nav-links a:hover {
    color: #fff;
}

.btn-primary {
    padding: 0.75rem 1.5rem;
    background: #fff;
    color: #000;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--header-height);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-glow);
    opacity: 0.4;
    pointer-events: none;
    animation: pulse 10s infinite alternate;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.3;
    }

    100% {
        transform: scale(1.1);
        opacity: 0.5;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

/* Services Section */
.services {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-alt);
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    padding: var(--spacing-md);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
}

.service-icon {
    width: 100%;
    height: 180px;
    /* Allocated space for 3D icon */
    margin-bottom: var(--spacing-sm);
    position: relative;
    /* For safe measure */
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

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

/* Portfolio Section */
.portfolio {
    padding: var(--spacing-xl) 0;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
}

.project-image {
    width: 100%;
    height: 100%;
    background: #222;
    /* Placeholder */
    transition: transform 0.5s ease;
}

.project-card:hover .project-image {
    transform: scale(1.05);
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.project-card:hover .project-info {
    transform: translateY(0);
}

/* Footer */
footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-glass-border);
    background: var(--color-obsidian);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

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

.footer-links a:hover {
    color: #fff;
}

/* Atmosphere & Backgrounds */
.bg-noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 50;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Typography Updates */
/* Scroll Animations */
.reveal-text,
.reveal-card {
    opacity: 1;
    /* Handled by GSAP now */
}

/* Approach Section */
.approach {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.approach-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.approach-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.approach-intro h3 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.approach-intro p {
    color: var(--color-text-muted);
    font-size: 1.2rem;
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.approach-card {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: transform 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.approach-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
}

.card-number {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.05);
    position: absolute;
    top: 0;
    right: var(--spacing-sm);
    line-height: 1;
    pointer-events: none;
}

.approach-card h4 {
    font-size: 1.5rem;
    margin-top: var(--spacing-xs);
}

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

/* Mobile Responsive Updates */
@media (max-width: 768px) {
    .approach-content {
        gap: var(--spacing-md);
    }

    .approach-intro h3 {
        font-size: 2rem;
    }
}