:root {
    /* Light Theme Variables */
    --bg-color: #ffffff;
    --text-color: #09090b;
    --text-secondary: #71717a;
    --border-color: #e4e4e7;
    --card-bg: #ffffff;
    --primary: #059669;
    --primary-foreground: #ffffff;
    --accent: #f4f4f5;
    --btn-shadow: inset 0 1px 0 rgba(255,255,255,.2);
    --skill-bg: rgba(0,0,0,0.05);
    --skill-border: rgba(0,0,0,0.2);
    --term-bg: #1e1e1e;
    --term-text: #00ff00;
    --cyber-green: #059669;
    --cyber-green-bg: rgba(5, 150, 105, 0.1);
    --cyber-green-border: rgba(5, 150, 105, 0.2);
}

[data-theme="dark"] {
    /* Dark Theme Variables */
    --bg-color: #09090b;
    --text-color: #fafafa;
    --text-secondary: #a1a1aa;
    --border-color: #27272a;
    --card-bg: #09090b;
    --primary: #0dfc95;
    --primary-foreground: #09090b;
    --accent: #18181b;
    --btn-shadow: inset 0 1px 0 rgba(255,255,255,.2);
    --skill-bg: rgba(255,255,255,0.05);
    --skill-border: rgba(255,255,255,0.1);
    --term-bg: #000000;
    --term-text: #00ff00;
    --cyber-green: #0dfc95;
    --cyber-green-bg: rgba(13, 252, 149, 0.1);
    --cyber-green-border: rgba(13, 252, 149, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    line-height: 1.6;
}

/* Utilities */
.container {
    max-width: 56rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.flex-col { display: flex; flex-direction: column; }
.flex-wrap { display: flex; flex-wrap: wrap; }
.flex { display: flex; }
.grid-cols-1 { display: grid; grid-template-columns: 1fr; }
.grid-cols-2 { display: grid; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 768px) {
    .md-grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md-grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .hidden-mobile { display: block !important; }
}
@media (max-width: 767px) {
    .hidden-mobile { display: none !important; }
}

.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }
.mt-24 { margin-top: 6rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pl-4 { padding-left: 1rem; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.italic { font-style: italic; }

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

.uppercase { text-transform: uppercase; }
.tracking-wider { letter-spacing: 0.05em; }
.hover-primary:hover { color: var(--primary) !important; }
.transition-colors { transition: color 0.2s ease; }

.border { border: 1px solid var(--border-color); }
.border-b { border-bottom: 1px solid var(--border-color); }
.border-t { border-top: 1px solid var(--border-color); }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }

.w-full { width: 100%; }
.h-full { height: 100%; }
.size-4 { width: 1rem; height: 1rem; }
.w-fit { width: fit-content; }
.min-h-screen { min-height: 100vh; }
.min-h-\[100px\] { min-height: 100px; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }

.hidden { display: none; }
.opacity-0 { opacity: 0; }
.translate-y-4 { transform: translateY(1rem); }
.cursor-pointer { cursor: pointer; }
.underline { text-decoration: underline; }

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background-color: rgba(var(--bg-color), 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 1rem;
    max-width: 56rem;
    margin: 0 auto;
    border-radius: 0.375rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
    font-size: 0.95rem;
}
.nav-link:hover {
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}

.theme-toggle .btn-icon {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-color);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}
.theme-toggle .btn-icon:hover {
    background-color: var(--accent);
    border: 1px solid var(--border-color);
}

/* Typing Effect */
.typing-container { display: inline-block; }
.cursor { animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Hero Profile */
.profile-img-container {
    width: 8rem;
    height: 8rem;
    border-radius: 9999px;
    overflow: hidden;
    background-color: var(--accent);
}
.profile-img-container img { width: 100%; height: 100%; object-fit: cover; }

/* Stats Bar */
.stats-bar {
    display: grid;
}
.stat-item {
    background: var(--accent);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    height: 2.25rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}
.btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
    border: 1px solid transparent;
}
.btn-primary:hover { opacity: 0.9; }
.btn-outline {
    background-color: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}
.btn-outline:hover { background-color: var(--accent); }
.btn-inner-shadow { box-shadow: var(--btn-shadow); }

/* Skill Badges & Tags */
.skill-badge, .skill-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    background-color: var(--skill-bg);
    border-radius: 0.375rem;
    border: 1px dashed var(--skill-border);
    font-size: 0.875rem;
    color: var(--text-color);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
}
.skill-tag { font-size: 0.8rem; font-weight: 500; }
.skill-badge:hover, .skill-tag:hover { background-color: var(--border-color); transition: background-color 0.2s; }
.tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    background-color: var(--accent);
    color: var(--text-color);
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Social Icons */
.social-icon { color: var(--text-secondary); transition: color 0.3s ease; }
.social-icon:hover { color: var(--text-color); }

/* Cards & Grid Projects */
.grid-projects {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}
@media (min-width: 768px) {
    .grid-projects { grid-template-columns: repeat(2, 1fr); }
}

.card {
    display: flex;
    flex-direction: column;
    border-radius: 0.75rem;
    overflow: hidden;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    height: 100%;
    transition: border-color 0.3s;
}
.card:hover { border-color: var(--text-secondary); }

.card-header {
    background-color: var(--border-color);
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
.card-header img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.card:hover .card-header img { transform: scale(1.05); }

/* Backdrop Blur Overlay */
.card-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}
.card:hover .card-overlay { opacity: 1; }
.overlay-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    border-radius: 9999px;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: none;
    color: white;
    cursor: pointer;
    transition: background-color 0.2s;
}
.overlay-btn:hover { background-color: rgba(255, 255, 255, 0.3); }
.overlay-btn svg { width: 2rem; height: 2rem; }

.card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex-grow: 1;
}

/* Pillar Cards (About Me) */
.pillar-card {
    background-color: var(--accent);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}
.pillar-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Achievement Card */
.achievement-card {
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 0.75rem;
}
.highlight-border {
    border-left: 4px solid var(--text-color);
}

/* Interactive Terminal */
.terminal-container {
    background-color: var(--term-bg);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
    font-family: 'Courier New', Courier, monospace;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}
.terminal-header {
    background-color: #333;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #111;
}
.terminal-dots {
    display: flex;
    gap: 0.4rem;
}
.terminal-dots span {
    width: 12px; height: 12px; border-radius: 50%;
}
.terminal-dots span:nth-child(1) { background-color: #ff5f56; }
.terminal-dots span:nth-child(2) { background-color: #ffbd2e; }
.terminal-dots span:nth-child(3) { background-color: #27c93f; }
.terminal-title {
    color: #ccc;
    font-size: 0.8rem;
    margin-left: auto;
    margin-right: auto;
}
.terminal-body {
    padding: 1rem;
    max-height: 400px;
    overflow-y: auto;
    color: var(--term-text);
    font-size: 0.9rem;
}
.terminal-line { margin-bottom: 0.25rem; white-space: pre-wrap; }
.prompt { color: #00bcd4; margin-right: 0.5rem; font-weight: bold; }
.terminal-input-line {
    display: flex;
    padding: 0 1rem 1rem 1rem;
    background-color: var(--term-bg);
}
#terminal-input {
    background: transparent;
    border: none;
    color: var(--term-text);
    font-family: inherit;
    font-size: 0.9rem;
    flex-grow: 1;
    outline: none;
}

/* Form Styles */
.form-group {
    display: flex;
    flex-direction: column;
}
.form-input {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.75rem;
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 0.9rem;
    margin-top: 0.25rem;
}
.form-input:focus {
    outline: none;
    border-color: var(--text-secondary);
}

/* Animations */
.animate-fade-in-blur { animation: fadeInBlur 0.8s ease-out forwards; }
@keyframes fadeInBlur {
    from { opacity: 0; filter: blur(10px); transform: translateY(20px); }
    to { opacity: 1; filter: blur(0); transform: translateY(0); }
}

.scroll-animate { transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.scroll-animate.visible { opacity: 1; transform: translateY(0); }

/* Custom Badge Styles (Open to Work) */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    width: fit-content;
}
.badge-green {
    background-color: var(--cyber-green-bg);
    color: var(--cyber-green);
    border: 1px solid var(--cyber-green-border);
}
.badge-dot {
    position: relative;
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--cyber-green);
    border-radius: 50%;
}
.badge-dot::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--cyber-green);
    border-radius: 50%;
    animation: ping 1.2s cubic-bezier(0, 0, 0.2, 1) infinite;
}
@keyframes ping {
    75%, 100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

/* Stats Ribbon Styles */
.stats-ribbon {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 0.875rem 1.5rem;
    background-color: var(--accent);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    text-align: center;
}
.stats-ribbon-item {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.stats-ribbon-divider {
    color: var(--border-color);
    font-weight: 300;
}
@media (max-width: 767px) {
    .stats-ribbon {
        flex-direction: column;
        gap: 0.75rem;
    }
    .stats-ribbon-divider {
        display: none;
    }
}

/* Certs Grid Styles */
.certs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1.5rem;
}
@media (min-width: 768px) {
    .certs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
.cert-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.2s, border-color 0.2s;
}
.cert-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
}
.cert-icon {
    font-size: 1.5rem;
    background-color: var(--accent);
    padding: 0.5rem;
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cert-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-color);
}
.cert-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.125rem;
}

/* Bullet list override for certs */
.list-disc {
    list-style-type: disc !important;
}