:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #151515;
    --bg-tertiary: #1f1f1f;
    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --border: #27272a;
    --success: #22c55e;
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --text-primary: #18181b;
    --text-secondary: #52525b;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --border: #e4e4e7;
    --success: #16a34a;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Navbar */
.navbar {
    background: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent) !important;
    font-family: 'Courier New', monospace;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: color 0.3s;
    margin: 0 0.5rem;
}

.nav-link:hover {
    color: var(--accent) !important;
}

.theme-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

.theme-toggle:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.navbar-toggler {
    border-color: var(--border);
    color: var(--text-primary);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(228, 228, 231, 0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section with Code Block */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 4rem 0;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.hero h1 .name {
    background: linear-gradient(135deg, var(--accent) 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero .bio {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

        /* Social Links in Hero */
.social-links {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 1.2rem;
}

.social-links a:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    transform: translateY(-3px);
}

/* Code Block */
.code-block {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.code-header {
    background: var(--bg-tertiary);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.code-dots {
    display: flex;
    gap: 0.5rem;
}

.code-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-body {
    padding: 1.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
    overflow-x: auto;
}

.code-line {
    display: flex;
    gap: 1rem;
}

.line-number {
    color: var(--text-secondary);
    user-select: none;
    min-width: 2rem;
    text-align: right;
}

.keyword { color: #c678dd; }
.string { color: #98c379; }
.function { color: #61afef; }
.property { color: #e06c75; }
.comment { color: var(--text-secondary); font-style: italic; }

/* Buttons */
.btn-primary {
    background: var(--accent);
    border: none;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

.btn-outline-primary {
    border: 2px solid var(--border);
    color: var(--text-primary);
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-outline-primary:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: transparent;
    transform: translateY(-2px);
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

/* Skill Cards */
.skill-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    transition: all 0.3s;
    height: 100%;
}

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

.skill-card h3 {
    color: var(--accent);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.badge {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    margin: 0.25rem;
}

/* Timeline */
.timeline-item {
    position: relative;
    padding-left: 3rem;
    padding-bottom: 3rem;
    border-left: 2px solid var(--accent);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
}

.timeline-item:last-child {
    border-left: none;
}

.company {
    color: var(--accent);
    font-weight: 600;
}

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

/* Project Cards */
.project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.3s;
}

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

.project-card:hover::before {
    transform: scaleX(1);
}

.badge-success {
    background: var(--success);
    color: white;
}

/* Contact Cards */
.contact-card-link {
text-decoration: none;
display: block;
height: 100%;
}

.contact-card {
background: var(--bg-secondary);
padding: 2rem;
border-radius: 1rem;
border: 1px solid var(--border);
text-align: center;
transition: all 0.3s;
height: 100%;
cursor: pointer;
}

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

.contact-card i {
font-size: 2rem;
color: var(--accent);
margin-bottom: 1rem;
}

.contact-card h5 {
color: var(--text-primary);
margin-bottom: 0.5rem;
}

.contact-text {
color: var(--text-secondary);
margin: 0;
transition: color 0.3s;
}

.contact-card-link:hover .contact-text {
color: var(--accent);
}


/* Achievement Cards */
.achievement-card {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.3s;
    height: 100%;
}

.achievement-card:hover {
    transform: scale(1.05);
    border-color: var(--accent);
}

.achievement-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Cert Cards */
.cert-card {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    transition: all 0.3s;
    height: 100%;
}

.cert-card:hover {
    border-color: var(--accent);
}

/* Footer */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
}