/* Dark Modern Developer Theme */
:root {
    --bg-color: #0a192f;
    --card-bg: #112240;
    --alt-bg: #0d1b32;
    --text-primary: #ccd6f6;
    --text-secondary: #8892b0;
    --accent-color: #64ffda;
    --accent-hover: rgba(100, 255, 218, 0.1);
    --font-main: 'Inter', sans-serif;
    --font-code: 'Fira Code', monospace;
}

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

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

.container {
    width: 85%;
    max-width: 1100px;
    margin: 0 auto;
}

/* Header & Navbar */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 25, 47, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 8%;
}

.logo {
    color: var(--accent-color);
    font-family: var(--font-code);
    font-size: 1.2rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    height: 60vh;
    display: flex;
    align-items: center;
    padding: 8rem 10% 4rem 10%;
}

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

.highlight {
    color: var(--accent-color);
}

.subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    font-family: var(--font-code);
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.primary-btn {
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    background: transparent;
    margin-right: 1rem;
}

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

.secondary-btn {
    color: var(--text-primary);
    border: 1px solid var(--text-secondary);
}

.secondary-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

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

.alt-bg {
    background-color: var(--alt-bg);
}

.section h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 2rem;
    position: relative;
}

.section h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 2px;
    background: var(--accent-color);
    margin-top: 0.5rem;
}

.about-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 800px;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.about-photo {
    width: 220px;
    aspect-ratio: 1;
    flex: 0 0 auto;
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    object-fit: cover;
    object-position: center 15%;
}

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

.skill-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 6px;
    border-left: 3px solid var(--accent-color);
}

.skill-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.skill-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.project-card {
    background: var(--card-bg);
    padding: 1.8rem;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
}

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

.folder-icon {
    font-size: 1.8rem;
}

.project-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-family: var(--font-code);
}

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

.project-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.8rem;
}

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

.tag-list {
    display: flex;
    gap: 0.8rem;
    list-style: none;
    font-family: var(--font-code);
    font-size: 0.8rem;
    color: var(--accent-color);
}

/* Contact & Footer */
.contact-container {
    text-align: center;
}

.contact-container p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-family: var(--font-code);
}

.social-sidebar {
    position: fixed;
    bottom: 0;
    right: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    z-index: 100;
}

.social-sidebar a {
    color: var(--text-secondary);
    background-color: var(--card-bg);
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 1px solid rgba(136, 146, 176, 0.15);
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.social-sidebar a:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-4px);
    background-color: var(--accent-hover);
    box-shadow: 0 10px 20px -10px rgba(100, 255, 218, 0.2);
}

.sidebar-line {
    width: 1px;
    height: 90px;
    background-color: var(--text-secondary);
    opacity: 0.4;
    margin-top: 5px;
}


/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; }
    .about-content { align-items: flex-start; }
    .about-photo { width: 160px; }
    .social-sidebar { display: none; }
}

@media (max-width: 480px) {
    .about-content { flex-direction: column; }
}