/* CSS Variables */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #161616;
    --bg-tertiary: #252525;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent-color: #7c3aed;
    --accent-hover: #6d28d9;
    --accent-secondary: #06b6d4;
    --accent-secondary-hover: #0891b2;
    --border-color: #333;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.7);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.8);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

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

.logo a:hover {
    color: var(--accent-secondary);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-secondary);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.hero-content {
    text-align: center;
    max-width: 700px;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(180deg, #ffffff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(124, 58, 237, 0.39);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(124, 58, 237, 0.5);
}

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

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

/* Section Styles */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-secondary));
    margin: 20px auto 0;
    border-radius: 2px;
}

/* About Section */
.about-content {
    display: grid;
    gap: 50px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.skill-item h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.tag:hover {
    background-color: var(--accent-color);
    color: white;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: var(--bg-secondary);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.project-image {
    height: 200px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-badge {
    background-color: rgba(0, 0, 0, 0.7);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: white;
    z-index: 1;
}

.project-info {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.project-links {
    display: flex;
    gap: 15px;
}

.project-link {
    color: var(--text-secondary);
    padding: 8px;
    background-color: var(--bg-tertiary);
    border-radius: 6px;
    transition: var(--transition);
}

.project-link:hover {
    color: var(--accent-secondary);
    background-color: var(--bg-secondary);
    transform: translateY(-2px);
}

/* Contact Section */
.contact {
    background-color: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 1.05rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background-color: var(--bg-primary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    color: var(--text-secondary);
}

.contact-method:hover {
    border-color: var(--accent-color);
    color: var(--text-primary);
    transform: translateX(5px);
}

.contact-method svg {
    flex-shrink: 0;
}

.contact-method a {
    color: inherit;
}

.contact-form {
    background-color: var(--bg-primary);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
}

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

.footer-links a {
    color: var(--text-secondary);
}

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

/* Responsive Design */
@media (max-width: 968px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

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

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--bg-secondary);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        transform: translateY(-150%);
        transition: var(--transition);
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .nav-links a {
        display: block;
        padding: 10px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links a::after {
        display: none;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    section {
        padding: 60px 0;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .contact-method {
        flex-direction: row;
    }
}

/* Animation Keyframes */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Terminal Section */
.terminal {
    background-color: var(--bg-secondary);
    padding: 80px 0;
}

.terminal-window {
    background-color: var(--bg-primary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    font-family: 'Fira Code', 'Courier New', monospace;
}

.terminal-header {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.terminal-dots {
    display: flex;
    gap: 8px;
    margin-right: 15px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.terminal-title {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

.terminal-body {
    padding: 20px;
    max-height: 300px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) var(--bg-primary);
}

.terminal-body::-webkit-scrollbar {
    width: 8px;
}

.terminal-body::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

.terminal-body::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 4px;
}

.terminal-line {
    margin-bottom: 8px;
    line-height: 1.5;
}

.terminal-line p {
    margin-bottom: 10px;
}

.terminal-line ul {
    margin-left: 20px;
    margin-top: 5px;
}

.terminal-line ul li {
    margin-bottom: 4px;
    color: var(--text-primary);
}

.prompt {
    color: #10b981;
    margin-right: 8px;
    font-weight: bold;
}

.command {
    color: #60a5fa;
}

.output {
    color: var(--text-primary);
}

.terminal-input-line {
    display: flex;
    padding: 15px;
    background-color: var(--bg-primary);
}

.terminal-input-line input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
}

.terminal-input-line input::placeholder {
    color: var(--text-secondary);
}

/* Responsive Design */