:root {
    /* Colors */
    --bg-color: #0f0f11;
    --surface-color: #1a1a1d;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #ff6b4a;
    /* Warm coral for social/human touch */
    --accent-glow: rgba(255, 107, 74, 0.3);

    /* Typography */
    --font-main: 'Outfit', sans-serif;

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

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
    /* Hide default cursor */
}

/* Custom Cursor */
.cursor-dot {
    width: 5px;
    height: 5px;
    background-color: var(--accent-color);
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 9999;
    pointer-events: none;
}

.cursor-outline {
    width: 30px;
    height: 30px;
    border: 2px solid var(--accent-color);
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 9998;
    pointer-events: none;
    transition: width 0.2s, height 0.2s, background-color 0.2s;
}

body:hover .cursor-outline {
    opacity: 1;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.1;
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-md);
}

p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 60ch;
}

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

/* Layout Utilities */
.container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

section {
    padding: var(--spacing-xl) 0;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md) 0;
    z-index: 100;
    background: rgba(15, 15, 17, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.7;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--accent-color);
}

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

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.6;
}

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

.hero h1 span {
    display: block;
    background: linear-gradient(to right, #fff, #a0a0a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h1 .highlight {
    color: var(--accent-color);
    -webkit-text-fill-color: var(--accent-color);
}

.hero-subtitle {
    margin-top: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 300;
}

.btn {
    display: inline-block;
    margin-top: var(--spacing-md);
    padding: 1rem 2rem;
    background: var(--text-primary);
    color: var(--bg-color);
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition-fast);
}

.btn:hover {
    background: var(--accent-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px var(--accent-glow);
}

/* About / Social Impact */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.stat-card {
    background: var(--surface-color);
    padding: var(--spacing-md);
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: var(--spacing-sm);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-color);
    display: block;
}

/* Methodology / SVG Section */
.methodology-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.tech-svg {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    display: block;
}

.ring-1 {
    transform-origin: center;
    animation: rotate 20s linear infinite;
}

.ring-2 {
    transform-origin: center;
    animation: rotate-reverse 30s linear infinite;
}

.ring-3 {
    transform-origin: center;
    animation: rotate 10s linear infinite;
}

.core-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.tech-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.tech-list li {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.tech-list span {
    color: var(--accent-color);
    font-family: monospace;
    margin-right: 1rem;
    font-size: 0.9rem;
}

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

    to {
        transform: rotate(360deg);
    }
}

@keyframes rotate-reverse {
    from {
        transform: rotate(360deg);
    }

    to {
        transform: rotate(0deg);
    }
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        opacity: 0.8;
    }

    50% {
        transform: scale(1.05);
        opacity: 1;
    }

    100% {
        transform: scale(0.95);
        opacity: 0.8;
    }
}

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

.project-card {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--surface-color);
    border-radius: 1rem;
    overflow: hidden;
    transform-style: preserve-3d;
    transform: perspective(1000px);
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.1s ease;
    opacity: 0.6;
    transform: translateZ(20px);
}

.project-card:hover .project-image {
    transform: scale(1.05) translateZ(20px);
    opacity: 0.4;
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-fast);
}

.project-card:hover .project-info {
    transform: translateY(0);
    opacity: 1;
}

/* Contact */
.contact-wrapper {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    margin-top: var(--spacing-lg);
    display: grid;
    gap: var(--spacing-sm);
    text-align: left;
}

input,
textarea {
    width: 100%;
    padding: 1rem;
    background: var(--surface-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    color: #fff;
    font-family: inherit;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Footer */
footer {
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .methodology-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .tech-list li {
        justify-content: center;
    }

    h1 {
        font-size: 3.5rem;
    }

    .nav-links {
        display: none;
        /* Simple mobile hide for now */
    }
}