:root {
    --bg-color: #1a1a1a;
    --primary-color: #2c2c2c; /* Slightly lighter than bg for cards */
    --secondary-color: #00aaff; /* A vibrant blue for accent */
    --text-color: #f5f5f5;
    --text-secondary-color: #a7a7a7;
    --font-family: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

h1, h2, h3, h4 {
    font-weight: 600;
    margin-bottom: 1rem;
}

section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

/* Header & Nav */
header {
    background-color: rgba(26, 26, 26, 0.8);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

nav ul {
    display: flex;
    gap: 2rem;
}

nav a:hover {
    color: var(--text-color);
    transition: color 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

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

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary-color);
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--text-color);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* General Section Title */
#about h2, #skills h2, #projects h2, #career h2, #contact h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

/* About Section */
.about-container {
    display: flex;
    gap: 3rem;
    align-items: center;
    text-align: left;
}

.about-image {
    flex-basis: 30%;
    min-width: 250px;
}

.about-image img {
    border-radius: 50%;
}

.about-text {
    flex-basis: 70%;
}

.about-text h3 {
    font-style: italic;
    font-weight: 400;
    color: var(--text-secondary-color);
    margin-bottom: 1.5rem;
}

.about-text ul li {
    margin-bottom: 0.8rem;
}

.rounded-section {
    background-color: var(--primary-color);
    border-radius: 20px;
}

/* Skills Section */
#skills {
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    text-align: left;
}

.skill-category {
    background-color: var(--bg-color);
    padding: 2rem;
    border-radius: 10px;
}

.skill-category h4 {
    color: var(--secondary-color);
    font-size: 1.2rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.skill-category p {
    color: var(--text-secondary-color);
}

/* Projects Section */
.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--primary-color);
    border-radius: 10px;
    overflow: hidden;
    text-align: left;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-info h3 {
    font-size: 1.3rem;
}

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

.project-links a {
    margin-right: 1rem;
    font-weight: 600;
}

/* Career Section */
#career {
}

.career-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    text-align: left;
}

.career-item {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 10px;
}

.career-item h4 {
    font-size: 1.2rem;
    color: var(--secondary-color);
    line-height: 1.4;
}

.career-item h4 small {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-secondary-color);
    display: block;
}

.career-item p {
    color: var(--text-secondary-color);
}

.career-item ul {
    list-style-position: inside;
    text-align: left;
    margin-top: 1rem;
    list-style-type: '— ';
}

.career-item ul li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary-color);
    padding-left: 5px;
}

.career-item.links a {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.career-item.links i {
    margin-right: 0.5rem;
}

/* Contact Section (Footer) */
#contact {
    background-color: var(--bg-color);
    padding: 4rem 2rem 2rem;
    text-align: center;
}

.contact-info {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.contact-info i {
    margin-right: 0.5rem;
}

.social-links {
    margin-bottom: 2rem;
}

.social-links a {
    font-size: 2rem;
    margin: 0 1rem;
    color: var(--text-secondary-color);
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--secondary-color);
}

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

/* Responsive */
@media (max-width: 768px) {
    nav ul {
        display: none; /* Simple responsive nav for now */
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .about-container {
        flex-direction: column;
        text-align: center;
    }

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

    .career-container {
        grid-template-columns: 1fr;
    }
}