:root {
    --bg-color: #0a192f;
    --text-primary: #ccd6f6;
    --text-secondary: #8892b0;
    --accent: #64ffda;
    --accent-tint: rgba(100, 255, 218, 0.1);
    --nav-bg: rgba(10, 25, 47, 0.85);
    --card-bg: #112240;
    --font-mono: 'Fira Code', monospace;
    --font-sans: 'Inter', sans-serif;
    --transition: all 0.25s cubic-bezier(0.645, 0.045, 0.355, 1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 600;
    color: var(--text-primary);
}

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

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

/* Buttons */
.btn-primary {
    color: var(--accent);
    background-color: transparent;
    border: 1px solid var(--accent);
    border-radius: 4px;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-mono);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-icon {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-left: 1rem;
}
.btn-icon:hover {
    color: var(--accent);
    transform: translateY(-3px);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 50px;
    height: 80px;
    background-color: var(--nav-bg);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    z-index: 100;
    box-shadow: 0 10px 30px -10px rgba(2,12,27,0.7);
}

.logo {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links li a {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-primary);
}

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

.nav-num {
    color: var(--accent);
    margin-right: 5px;
}

.hamburger {
    display: none;
    cursor: pointer;
}

/* Sections */
main {
    padding: 0 150px;
    max-width: 1600px;
    margin: 0 auto;
}

section {
    padding: 100px 0;
}

.section-title {
    display: flex;
    align-items: center;
    font-size: 26px;
    margin-bottom: 40px;
    white-space: nowrap;
}

.section-title::after {
    content: "";
    display: block;
    width: 300px;
    height: 1px;
    background-color: var(--text-secondary);
    margin-left: 20px;
    opacity: 0.3;
}

.section-num {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 20px;
    margin-right: 10px;
}

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

.hero-intro {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 16px;
    margin-bottom: 20px;
}

.hero-name {
    font-size: 70px;
    color: #e6f1ff;
    line-height: 1.1;
}

.hero-role {
    font-size: 60px;
    color: var(--text-secondary);
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-desc {
    max-width: 540px;
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 50px;
}

/* About */
.about-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 50px;
}

.about-text p {
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.about-img {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.img-wrapper {
    position: relative;
    width: 250px;
    height: 250px;
    border-radius: 4px;
    background-color: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--accent);
    color: var(--accent);
    transition: var(--transition);
}

.img-wrapper:hover {
    transform: translate(-5px, -5px);
    box-shadow: 5px 5px 0 var(--accent);
}

/* Experience */
.timeline {
    border-left: 2px solid var(--text-secondary);
    margin-left: 20px;
    padding-left: 30px;
}

.job-card {
    margin-bottom: 40px;
    position: relative;
}

.job-card::before {
    content: "";
    position: absolute;
    left: -36px;
    top: 5px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent);
}

.job-header h4 {
    font-size: 20px;
    margin-bottom: 5px;
}

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

.job-date {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 15px;
}

.job-desc {
    list-style: none;
}

.job-desc li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 15px;
}

.job-desc li::before {
    content: "▹";
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Skills */
.skills-category {
    margin-bottom: 30px;
}

.skills-category h4 {
    margin-bottom: 15px;
    color: #e6f1ff;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.skill-item {
    background-color: var(--card-bg);
    padding: 10px 15px;
    border-radius: 4px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.skill-item:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

.cert-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.cert-badge {
    border: 1px solid var(--text-secondary);
    border-radius: 20px;
    padding: 5px 15px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
}

.project-card {
    background-color: var(--card-bg);
    padding: 2rem 1.75rem;
    border-radius: 4px;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-7px);
}

.project-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.project-folder {
    color: var(--accent);
    font-size: 40px;
}

.project-links a {
    color: var(--text-secondary);
    font-size: 20px;
}

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

.project-card h4 {
    color: var(--text-primary);
    font-size: 22px;
    margin-bottom: 10px;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 15px;
    flex-grow: 1;
    margin-bottom: 20px;
}

.project-tech {
    display: flex;
    list-style: none;
    gap: 15px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
}

/* Contact */
#contact {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 100px;
}

.contact-text {
    color: var(--text-secondary);
    font-size: 18px;
    margin-bottom: 50px;
}

.big-btn {
    padding: 1.25rem 3rem;
    font-size: 16px;
}

.footer-socials {
    margin-top: 50px;
    display: none; /* Shown in footer normally, but here for mobile */
}

footer {
    margin-top: 50px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 1080px) {
    main {
        padding: 0 100px;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0 25px;
    }
    
    .nav-links {
        display: none; /* Hide for now, would need JS toggle */
    }
    
    .hamburger {
        display: block;
    }
    
    main {
        padding: 0 25px;
    }
    
    .hero-name {
        font-size: 40px;
    }
    
    .hero-role {
        font-size: 30px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-img {
        margin-top: 50px;
    }
}