:root {
    /* Colors */
    --bg-color: #fafafa;
    --text-main: #1a1a1a;
    --text-secondary: #666666;
    --accent-purple: #d8b4fe;
    --accent-mint: #99f6e4;
    --accent-pink: #fbcfe8;
    --accent-blue: #bae6fd;
    --border-color: #e5e5e5;
    
    /* Fonts */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.1;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    mix-blend-mode: difference;
    color: white; /* Visible on both light and dark backgrounds due to mix-blend-mode */
}

.logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
}

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

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: currentColor;
    transition: width var(--transition-fast);
}

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

/* Hero Section */
.hero {
    height: 100vh;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 60vw;
    z-index: 2;
}

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

.highlight {
    position: relative;
    display: inline-block;
    color: var(--text-main);
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: -2%;
    width: 104%;
    height: 30%;
    background-color: var(--accent-mint);
    z-index: -1;
    opacity: 0.6;
    transform: skewX(-10deg);
}

.hero-sub {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 400px;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transform: rotate(-90deg);
    transform-origin: left bottom;
}

.scroll-indicator .line {
    width: 40px;
    height: 1px;
    background-color: var(--text-main);
}

/* Abstract Shapes */
.hero-visual {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 10s infinite ease-in-out alternate;
}

.shape-1 {
    top: 20%;
    right: 10%;
    width: 400px;
    height: 400px;
    background-color: var(--accent-purple);
}

.shape-2 {
    bottom: 10%;
    right: 30%;
    width: 300px;
    height: 300px;
    background-color: var(--accent-pink);
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-30px, 50px) rotate(10deg); }
}

/* Sections General */
section {
    padding: var(--spacing-xl) var(--spacing-lg);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

.section-header h2 {
    font-size: 3rem;
}

.counter {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-secondary);
}

/* Projects Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-md);
}

.project-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    transition: transform var(--transition-medium);
    background-color: white;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.project-card.medium {
    grid-column: span 6;
}

.card-content {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.project-card h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.project-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.tags {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.tags span {
    padding: 4px 12px;
    border-radius: 20px;
    background-color: var(--bg-color);
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

.project-link {
    margin-top: auto;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* Dynamic Card Colors on Hover */
.project-card:hover {
    transition: background-color var(--transition-medium);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.about-text .lead {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-main);
}

.skills-list {
    margin-top: var(--spacing-lg);
    display: grid;
    gap: var(--spacing-md);
}

.skill-category h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.email-link {
    font-size: 2rem;
    font-family: var(--font-heading);
    display: block;
    margin: var(--spacing-md) 0;
    text-decoration: underline;
    text-decoration-color: var(--accent-mint);
    text-underline-offset: 8px;
}

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

.contact-form {
    display: grid;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    background-color: white;
    font-family: var(--font-body);
    border-radius: 8px;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-main);
}

.btn-submit {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--text-main);
    color: white;
    border: none;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-size: 1rem;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.btn-submit:hover {
    transform: scale(1.02);
}

/* Privacy Policy Page */
.privacy-policy {
    padding-top: 150px; /* Account for fixed navbar */
    max-width: 1000px;
    margin: 0 auto;
}

.policy-content {
    font-size: 1.1rem;
    color: var(--text-main);
}

.policy-content h2 {
    font-size: 1.8rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.policy-content p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.policy-content ul {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
    color: var(--text-secondary);
}

.policy-content li {
    margin-bottom: var(--spacing-xs);
}

.policy-content strong {
    color: var(--text-main);
}

/* Footer */
footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links a {
    margin-left: var(--spacing-md);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--text-main);
}

.heart {
    color: var(--accent-pink);
}

/* Responsive */
@media (max-width: 1024px) {
    .project-card.large {
        grid-template-columns: 1fr;
    }
    .project-card.large .card-visual {
        height: 300px;
        order: -1;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 4rem;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .project-card.medium {
        grid-column: span 12;
    }

    .about-content,
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .privacy-policy {
        padding-top: 100px;
    }
}

/* Animation Classes */
.reveal-text {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-text.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }