:root {
    --bg-color: #0a0a0a;
    --text-primary: #ccd6f6;
    --text-secondary: #8892b0;
    --accent-color: #64ffda;
    /* Cyber Green */
    --accent-dim: rgba(100, 255, 218, 0.1);
    --card-bg: #112240;
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

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

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

/* Scanline Effect */
.scanline {
    width: 100%;
    height: 100px;
    z-index: 10;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0) 0%, rgba(100, 255, 218, 0.03) 50%, rgba(0, 0, 0, 0) 100%);
    opacity: 0.1;
    position: fixed;
    bottom: 100%;
    animation: scanline 10s linear infinite;
    pointer-events: none;
}

@keyframes scanline {
    0% {
        bottom: 100%;
    }

    100% {
        bottom: -100%;
    }
}

/* Typography */
h1,
h2,
h3,
h4 {
    color: #e6f1ff;
    font-weight: 600;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

/* Header */
header {
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--accent-color);
    transition: all 0.3s ease;
}

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

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
}

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

.btn-outline {
    border: 1px solid var(--accent-color);
    padding: 8px 16px;
    border-radius: 4px;
    color: var(--accent-color) !important;
}

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

/* Main Layout */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 50px;
}

section {
    padding: 100px 0;
}

/* Hero Section */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.terminal-text {
    font-family: var(--font-mono);
    color: var(--accent-color);
    margin-bottom: 20px;
}

#hero h1 {
    font-size: 4rem;
    margin-bottom: 10px;
}

#hero h2 {
    font-size: 2.5rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.bio {
    max-width: 500px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.cta-group {
    display: flex;
    gap: 20px;
}

.btn-primary {
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 15px 25px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 1rem;
}

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

.btn-secondary {
    color: var(--text-primary);
    padding: 15px 25px;
    font-family: var(--font-mono);
}

.btn-secondary:hover {
    text-decoration: underline;
}

/* Section Headers */
.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
}

.section-number {
    font-family: var(--font-mono);
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-right: 10px;
}

.section-header h3 {
    font-size: 2rem;
    position: relative;
    width: 100%;
}

.section-header h3::after {
    content: "";
    display: block;
    width: 200px;
    height: 1px;
    background: #233554;
    position: absolute;
    top: 50%;
    margin-left: 20px;
    display: inline-block;
}

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

.skill-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    list-style: none;
    margin-top: 20px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.skill-list li::before {
    content: "▹";
    color: var(--accent-color);
    margin-right: 10px;
}

.terminal-card {
    background: #112240;
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 10px 30px -15px rgba(2, 12, 27, 0.7);
    border: 1px solid rgba(100, 255, 218, 0.1);
}

.card-header {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.red {
    background: #ff5f56;
}

.yellow {
    background: #ffbd2e;
}

.green {
    background: #27c93f;
}

.card-body code {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* Experience Timeline */
.timeline {
    border-left: 2px solid #233554;
    margin-left: 20px;
    padding-left: 20px;
}

.timeline-item {
    margin-bottom: 40px;
    position: relative;
}

.timeline-item::before {
    content: "";
    width: 10px;
    height: 10px;
    background: var(--accent-color);
    border-radius: 50%;
    position: absolute;
    left: -26px;
    top: 5px;
}

.timeline-date {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.timeline-content h4 {
    font-size: 1.3rem;
    color: #e6f1ff;
}

.role {
    color: var(--accent-color);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

/* Projects Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.project-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 4px;
    transition: transform 0.2s;
    border: 1px solid transparent;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.project-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.folder-icon {
    font-size: 2rem;
    color: var(--accent-color);
}

.tech-stack {
    display: flex;
    gap: 15px;
    list-style: none;
    margin-top: 20px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

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

.contact-container h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.contact-container p {
    margin-bottom: 30px;
}

.contact-info {
    margin-top: 40px;
    color: var(--text-secondary);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    color: var(--bg-color);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(100, 255, 218, 0.3);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(100, 255, 218, 0.5);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        width: 70%;
        height: calc(100vh - 70px);
        padding: 40px 20px;
        transition: right 0.3s ease;
        border-left: 1px solid var(--accent-color);
    }

    .nav-links.active {
        right: 0;
    }

    #hero h1 {
        font-size: 2.5rem;
    }

    #hero h2 {
        font-size: 1.5rem;
    }

    .content-grid {
        grid-template-columns: 1fr;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}