:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --text-secondary: #666666;
    --accent-color: #6366f1; /* Indigo */
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --card-bg: #f3f4f6;
    --card-hover: #e5e7eb;
    --nav-bg: rgba(255, 255, 255, 0.7);
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --radius-lg: 1.5rem;
    --radius-md: 1rem;
    --font-main: 'Outfit', sans-serif;
}

[data-theme="dark"] {
    --bg-color: #0f0f0f;
    --text-color: #ffffff;
    --text-secondary: #a1a1aa;
    --card-bg: #18181b;
    --card-hover: #27272a;
    --nav-bg: rgba(24, 24, 27, 0.7);
    --border-color: #27272a;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

/* Background Gradient Blob */
.background-gradient {
    position: fixed;
    top: -20%;
    left: -20%;
    width: 80vw;
    height: 80vw;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    pointer-events: none;
    filter: blur(80px);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    padding-bottom: 100px; /* Space for fab */
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

.highlight-link {
    color: var(--accent-color);
    font-weight: 500;
}

/* Hero Section */
.hero-section {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem 0;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.profile-img-placeholder {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    border: 2px solid var(--border-color);
}

.status-badge {
    background: var(--card-bg);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--border-color);
}

.pulse {
    width: 8px;
    height: 8px;
    background-color: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-bio {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(180px, auto);
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.bento-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, background-color 0.3s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.bento-card:hover {
    background: var(--card-hover);
    transform: translateY(-4px);
}

.bento-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.bento-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Grid Spans */
.large { grid-column: span 2; grid-row: span 2; }
.medium { grid-column: span 2; }
.small { grid-column: span 1; }

.tech-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.tech-item {
    background: var(--bg-color);
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-icon {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: auto;
}

/* Projects Section */
.projects-section {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s ease;
    padding: 2rem;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-link {
    color: var(--text-secondary);
    font-size: 1.25rem;
}

.project-link:hover {
    color: var(--accent-color);
}

.project-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
}

.project-tags span {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: var(--bg-color);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Contact Section */
.contact-section {
    margin-bottom: 4rem;
}

.contact-container {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 3rem;
    text-align: center;
    border: 1px solid var(--border-color);
}

.contact-form {
    max-width: 500px;
    margin: 2rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    color: var(--text-color);
    transition: border-color 0.3s;
}

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

.cta-button {
    background: var(--text-color);
    color: var(--bg-color);
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.3s;
}

.cta-button:hover {
    opacity: 0.9;
}

.form-status {
    margin-top: 1rem;
    font-size: 0.9rem;
    height: 1.5rem;
}

/* Footer */
.site-footer {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

/* Floating Navigation */
.floating-nav {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    border: 1px solid var(--border-color);
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.floating-nav ul {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    align-items: center;
}

.floating-nav a,
.floating-nav button {
    color: var(--text-secondary);
    font-size: 1.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-nav a:hover,
.floating-nav button:hover,
.floating-nav a.active {
    color: var(--text-color);
    background: var(--card-bg);
}

/* Tablet/Mobile Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .bento-grid {
        grid-template-columns: 1fr;
    }
    
    .large, .medium, .small {
        grid-column: span 1;
        grid-row: auto;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        padding: 1.5rem;
    }
}