:root {
    --bg-color: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --accent-primary: #2563eb;
    --accent-glow: rgba(37, 99, 235, 0.1);
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --card-hover: #f8fafc;
    --nav-bg-scrolled: rgba(255, 255, 255, 0.9);

    --element-bg: #f1f5f9;
    /* For tags and icons */

    --status-closed-bg: #fef2f2;
    --status-closed-text: #dc2626;

    --status-dev-bg: #fefce8;
    --status-dev-text: #ca8a04;

    --font-main: 'Inter', sans-serif;
}

* {
    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;
    min-height: 100vh;
}

/* Background Effect */
.blob-bg {
    position: fixed;
    top: -20%;
    right: -10%;
    width: 60vw;
    height: 60vh;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    padding: 1.5rem 0;
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    border-bottom: 1px solid var(--card-border);
    background: var(--nav-bg-scrolled);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.github-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    text-align: center;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    background: var(--element-bg);
    border: 1px solid var(--card-border);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 500;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    background: linear-gradient(to bottom right, var(--text-primary), #475569);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.cta-group {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--text-primary);
    color: #ffffff;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background: #1e293b;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background: #ffffff;
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
    background: var(--card-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

/* Projects Section */
.projects {
    padding: 6rem 0;
}

.section-header {
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-header p {
    color: var(--text-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.icon-wrapper {
    width: 50px;
    height: 50px;
    background: var(--element-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
}

.status-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-closed {
    background: var(--status-closed-bg);
    color: var(--status-closed-text);
}

.status-dev {
    background: var(--status-dev-bg);
    color: var(--status-dev-text);
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.project-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    flex-grow: 1;
}

.card-footer {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.tech-tag {
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: var(--element-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-family: monospace;
    font-weight: 500;
}

/* About Page Specifics */
.about-page-header {
    padding: 6rem 0 4rem;
    text-align: center;
    background: linear-gradient(to bottom, transparent, var(--card-hover));
    border-bottom: 1px solid var(--card-border);
}

.about-page-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.about-page-header .subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.about-content-section {
    padding: 5rem 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 0.8fr;
    gap: 4rem;
    align-items: start;
}

.about-text .lead {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1.5rem;
    border-radius: 12px;
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.feature-card .icon-box {
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.feature-card p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Visual Stack in About */
.about-visual-side {
    position: relative;
    padding: 2rem;
}

.visual-stack {
    position: relative;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card-layer {
    position: absolute;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    background: var(--bg-color);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
}

.layer-1 {
    width: 260px;
    height: 340px;
    transform: rotate(-6deg) translateX(-20px);
    z-index: 1;
    opacity: 0.6;
}

.layer-2 {
    width: 260px;
    height: 340px;
    transform: rotate(6deg) translateX(20px);
    z-index: 2;
    opacity: 0.8;
}

.layer-3 {
    width: 280px;
    height: 360px;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem;
}

.visual-stack:hover .layer-1 {
    transform: rotate(-12deg) translateX(-40px);
}

.visual-stack:hover .layer-2 {
    transform: rotate(12deg) translateX(40px);
}

.terminal-icon {
    width: 64px;
    height: 64px;
    color: var(--accent-primary);
}

.fake-code {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.code-line {
    height: 8px;
    background: var(--element-bg);
    border-radius: 4px;
}

.w-80 {
    width: 80%;
}

.w-60 {
    width: 60%;
}

.w-90 {
    width: 90%;
}

.w-40 {
    width: 40%;
}

/* Footer */
footer {
    padding: 4rem 0;
    margin-top: 0;
    /* Removing margin since About handles the spacing/border */
    background: var(--bg-color);
    border-top: 1px solid var(--card-border);
}

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

footer .footer-links {
    display: flex;
    gap: 2rem;
}

footer .footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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


/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .navbar .container,
    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }

    .cta-group {
        flex-direction: column;
    }

    .hero {
        padding: 5rem 0 3rem;
    }

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

    .about-visual-side {
        display: none;
        /* Hide complex visual on mobile to start simple */
    }
}