:root {
    --bg-color: #0a0a0a;
    --card-bg: #141414;
    --card-border: #262626;
    --text-main: #f5f5f5;
    --text-muted: #a3a3a3;
    --accent: #ffffff;
    --accent-hover: #e5e5e5;
    --primary: #3b82f6; /* Subtle blue accent for buttons */
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

/* Animated Background Blob */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.05) 0%, rgba(10, 10, 10, 0) 50%);
    z-index: -1;
    animation: rotateGradient 25s linear infinite;
    pointer-events: none;
}

@keyframes rotateGradient {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.1); }
    100% { transform: rotate(360deg) scale(1); }
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--primary);
}

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

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

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

/* Buttons */
.btn-primary {
    background-color: var(--accent);
    color: var(--bg-color) !important;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.2s, transform 0.2s;
    display: inline-block;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.btn-primary.large {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid var(--card-border);
    transition: background-color 0.2s;
    display: inline-block;
}

.btn-secondary:hover {
    background-color: var(--card-bg);
}

/* Sections General */
section {
    padding: 6rem 0;
}

.section-header {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding-top: 12rem;
    padding-bottom: 8rem;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1.5px;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.social-actions {
    display: flex;
    gap: 1rem;
}

/* Bento Cards General */
.bento-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease, border-color 0.2s;
}

.bento-card:hover {
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.5);
}

/* Projects Section */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }
}

.project-card {
    display: flex;
    flex-direction: column;
    padding: 2rem;
}

.project-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-info h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-stack span {
    background: var(--bg-color);
    border: 1px solid var(--card-border);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
}



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

.skill-category h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--card-border);
}

.skill-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-list li {
    color: var(--text-muted);
    font-size: 1rem;
    display: flex;
    align-items: center;
}

.skill-list li::before {
    content: "▹";
    color: var(--primary);
    margin-right: 10px;
    font-size: 1.2rem;
}

/* Contact */
.contact-bento {
    text-align: center;
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.contact-bento h2 {
    font-size: 1.8rem;
}

.contact-bento p {
    color: var(--text-muted);
    max-width: 500px;
    font-size: 0.95rem;
}

/* Footer */
.footer {
    padding: 2rem 0;
    border-top: 1px solid var(--card-border);
    margin-top: 4rem;
}

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

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

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
}
.footer-links a:hover {
    color: var(--text-main);
}

/* Animation utilities */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-title { font-size: 2.5rem; }
    .social-actions { flex-direction: column; }
    .btn-primary, .btn-secondary { text-align: center; }
    .footer-content { flex-direction: column; gap: 1rem; text-align: center; }
}

/* Language Toggle Button */
.lang-btn {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--card-border);
    border-radius: 4px;
    padding: 0.3rem 0.6rem;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    margin-left: 1rem;
}
.lang-btn:hover {
    background: var(--card-bg);
    border-color: var(--text-muted);
}