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

:root {
    --bg: #0A0A0A;
    --fg: #FAFAFA;
    --muted: #262626;
    --muted-fg: #A1A1A1;
    --border: #262626;
    --accent: #3136B0;
    --card-hover: #171717;
    --icon-hover: #3136B0;
    --tagline-bold-color: #fff;

    /* Chatbot neutrals for dark theme */
    --chatbot-btn-bg: #222222;      /* button surface */
    --chatbot-btn-bg-hover: #2a2a2a;
    --chatbot-icon: #ffffff;        /* icon stroke */
    --chatbot-ring: rgba(255,255,255,.06); /* subtle hover halo */
    
}
[data-theme="light"] {
    --bg: #FFFFFF;
    --fg: #0A0A0A;
    --muted: #F5F5F5;
    --muted-fg: #737373;
    --border: #E6E6E6;
    --accent: #171717;
    --card-hover: #F5F5F5;
    --icon-hover: #3136B0;
    --tagline-bold-color: #0A0A0A;
}

.education-highlight {
    color: #fff;
    [data-theme="light"] & {
        color: #000;
        font-weight: 500;
    }
    font-weight: 350;
    transition: background .2s, color .2s;
}

html, body { height: 100%; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--fg);
    line-height: 1.6;
    transition: background 0.4s cubic-bezier(.47,.47,.42,1), color 0.4s cubic-bezier(.47,.47,.42,1);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { 
    width: min(1680px, 90%);
    margin-inline: auto; 
    transition: background 0.4s cubic-bezier(.47,.47,.42,1), color 0.4s cubic-bezier(.47,.47,.42,1);
}
.padded-left { padding-left: 40px; }
section { scroll-margin-top: 96px; }

/* Header */
header {
    position: sticky; top: 0; z-index: 70;
    background: var(--bg);
    transition: background 0.4s cubic-bezier(.47,.47,.42,1), color 0.4s cubic-bezier(.47,.47,.42,1);
    will-change: background, color;
}


.nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 40px 0 0 0;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.header-text {
    font-size: 0.75rem; letter-spacing: 0.15em; color: var(--muted-fg); text-transform: uppercase;
}

.theme-toggle {
    background: var(--bg); border: 1px solid var(--border);
    width: 44px; height: 44px; border-radius: 50%; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background .4s cubic-bezier(.47,.47,.42,1), border-color .4s cubic-bezier(.47,.47,.42,1), transform .2s cubic-bezier(.47,1.64,.41,.8);
}
.theme-toggle:hover { transform: scale(1.05); }
.theme-toggle svg { width: 20px; height: 20px; fill: var(--fg); display: block; transition: fill .4s cubic-bezier(.47,.47,.42,1); }

/* Hamburger Menu Button */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(.47,.47,.42,1);
    gap: 4px;
}

.hamburger:hover {
    background: var(--muted);
    transform: scale(1.05);
}

.hamburger-line {
    width: 20px;
    height: 2px;
    background: var(--fg);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(.47,.47,.42,1);
    transform-origin: center;
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.quickbar { display: none; }

@media (max-width: 1023px) {
    .hamburger {
        display: flex;
    }
    
    .quickbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg);
        z-index: 1000;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 40px 20px;
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s cubic-bezier(.47,.47,.42,1);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }
    
    .quickbar.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
    
    .close-btn {
        position: absolute;
        top: 30px;
        right: 30px;
        background: none;
        border: none;
        color: var(--fg);
        cursor: pointer;
        padding: 12px;
        border-radius: 50%;
        transition: all 0.3s cubic-bezier(.47,.47,.42,1);
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .close-btn:hover {
        background: var(--muted);
        transform: scale(1.1);
    }
    
    .nav-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 60px;
        max-width: 400px;
        width: 100%;
    }
    
    .nav-links {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 32px;
    }
    
    .nav-item {
        font-size: 24px;
        font-weight: 400;
        color: var(--fg);
        text-decoration: none;
        transition: all 0.3s cubic-bezier(.47,.47,.42,1);
        position: relative;
        padding: 8px 0;
    }
    
    .nav-item::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        width: 0;
        height: 2px;
        background: var(--accent);
        transition: all 0.3s cubic-bezier(.47,.47,.42,1);
        transform: translateX(-50%);
    }
    
    .nav-item:hover::after {
        width: 100%;
    }
    
    .nav-item:hover {
        color: var(--accent);
        transform: translateY(-2px);
    }
    
    .nav-item.primary {
        color: var(--accent);
        font-weight: 500;
    }
    
    .nav-item.primary::after {
        width: 100%;
    }
    
    .social-links {
        display: flex;
        align-items: center;
        gap: 32px;
    }
    
    .social-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 56px;
        height: 56px;
        color: var(--muted-fg);
        transition: all 0.3s cubic-bezier(.47,.47,.42,1);
        border-radius: 50%;
    }
    
    .social-icon:hover {
        color: var(--fg);
        background: var(--muted);
        transform: translateY(-3px) scale(1.1);
    }
    
    .social-icon svg {
        width: 32px;
        height: 32px;
    }
    
    /* Overlay for mobile menu */
    .quickbar::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.1);
        opacity: 0;
        transition: opacity 0.3s ease;
        z-index: -1;
    }
    
    .quickbar.active::before {
        opacity: 1;
    }
    
    /* Light theme adjustments */
    [data-theme="light"] .quickbar::before {
        background: rgba(255,255,255,0.1);
    }
    
    [data-theme="light"] .close-btn:hover {
        background: var(--muted);
    }
    
    [data-theme="light"] .social-icon:hover {
        background: var(--muted);
    }
}

.hero { padding: clamp(28px, 7vw, 80px) 0 16px; }
.name { margin-top: 18px; line-height: 1; }
.first, .last {
    font-weight: 800; letter-spacing: -0.04em; display: block;
    font-size: clamp(40px, 10vw, 96px);
}
.last { color: color-mix(in oklab, var(--fg), transparent 60%); }

.tagline {
    margin-top: 14px; max-width: 70ch;
    font-size: clamp(16px, 2.2vw, 22px);
    color: color-mix(in oklab, var(--fg), transparent 28%);
}
.tagline .bold-white { color: var(--tagline-bold-color); font-weight: 400; }
.meta .bold-white { color: var(--tagline-bold-color); font-weight: 400; }

.status {
    display: inline-flex; gap: 22px; align-items: center; flex-wrap: wrap;
    padding: 10px 14px; margin-top: 16px; border-radius: 12px;
}
.meta { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; color: color-mix(in oklab, var(--fg), transparent 35%); }
.location { transition: opacity .2s ease, color .4s cubic-bezier(.47,.47,.42,1); }
.location:hover { opacity: 1; color: var(--fg); }

.dot{
    position: relative; inline-size: 10px; block-size: 10px; border-radius: 999px; background: #22c55e;
    box-shadow: 0 0 0 0 rgba(34,197,94,.6); animation: breath 3s ease-in-out infinite;
}
.dot::after{content:""; position:absolute; inset:-2px; border-radius:inherit; border:2px solid rgba(34,197,94,.7); transform:scale(.6); opacity:.9; animation:beat 1.8s cubic-bezier(.65,.05,.36,1) infinite}
.dot::before{content:""; position:absolute; inset:-6px; border-radius:inherit; border:2px solid rgba(34,197,94,.35); transform:scale(.2); opacity:.8; animation:rings 2.4s ease-out infinite}
@keyframes breath{0%,100%{box-shadow:0 0 0 0 rgba(34,197,94,.55)}50%{box-shadow:0 0 12px 4px rgba(34,197,94,.35)}}
@keyframes beat{0%{transform:scale(.6)}35%{transform:scale(1)}70%{transform:scale(.75)}100%{transform:scale(.6)}}
@keyframes rings{0%{opacity:.6;transform:scale(.2)}80%{opacity:0;transform:scale(1.6)}100%{opacity:0;transform:scale(1.8)}}

.layout {
    display: grid; grid-template-columns: 1fr; gap: 24px;
    padding: clamp(28px, 5vw, 56px) 0;
}
@media (min-width: 1024px) { .layout { grid-template-columns: 280px 1fr; } }

code {
    background-color:var(--muted);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9em;
}

.sidebar {
    background: #171717; color: #FAFAFA; border: 1px solid var(--border);
    border-radius: 14px; padding: 14px; height: fit-content; position: sticky; top: 88px;
}
[data-theme="light"] .sidebar { background: #FAFAFA; color: #0A0A0A; }
@media (max-width: 1023px) { .sidebar { display: none; } }

.sidebar-header { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:12px; }
.sidebar-title { font-weight: 700; }

.chip {
    background:#262626; color:#FAFAFA; border:1px solid var(--border);
    border-radius:999px; padding:6px 10px; display:inline-flex; gap:8px; align-items:center; font-size:12px; cursor:pointer;
}
[data-theme="light"] .sidebar .chip { background:#F5F5F5; color:#0A0A0A; border:1px solid var(--border); }
.chip:hover { background: var(--card-hover); }
.chip.primary { background: var(--accent); color:#fff; border-color: transparent; }
[data-theme="light"] .sidebar .chip.primary { background:#3136B0; color:#fff; border-color:transparent; }

.sidebar-links { display:flex; gap:8px; flex-wrap:wrap; }

.section { padding: clamp(28px, 5vw, 56px) 0; opacity: 1; overflow: visible; }
.section#contact { padding-bottom: 0 !important; min-height: auto; } /* helps selection at bottom */
.section#terminal { 
    padding: clamp(28px, 5vw, 56px) 0; 
} /* standard section padding to match other sections */

/* Reduce gap between console and footer for larger screens */
@media (min-width: 768px) {
    .section#terminal {
        padding-bottom: clamp(8px, 1.5vw, 16px);
    }
}

@media (min-width: 1024px) {
    .section#terminal {
        padding-bottom: clamp(6px, 1vw, 12px);
    }
}

@media (min-width: 1440px) {
    .section#terminal {
        padding-bottom: clamp(4px, 0.8vw, 8px);
    }
}
.section:first-of-type { padding-top: 0; }

.section-title { font-size: clamp(18px, 2.6vw, 24px); margin: 0 0 18px; font-weight:700; letter-spacing:-0.01em; }

.cards { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; overflow: visible; }
.card {
    grid-column: span 12; border:1px solid var(--border); border-radius:14px; padding:18px; background:var(--bg); color:var(--fg); overflow: visible;
}
.card:hover { background: var(--card-hover); }
@media (min-width: 720px) {
    .card.span-6 { grid-column: span 6; }
    .card.span-4 { grid-column: span 4; }
    .card.span-8 { grid-column: span 8; }
}

.kicker { font-size:12px; text-transform:uppercase; letter-spacing:.06em; color: color-mix(in oklab, var(--fg), transparent 40%); }
.title { font-weight:700; letter-spacing:-0.01em; margin:6px 0 8px; }
.muted { color: color-mix(in oklab, var(--fg), transparent 45%); }

.tags { display:flex; flex-wrap:wrap; gap:8px; margin-top:12px; }
.tag { 
    font-size:13px; 
    font-weight:500;
    padding:6px 10px; 
    border-radius:999px; 
    background:var(--muted); 
    color:var(--muted-fg); 
    border:1px solid var(--border); 
    transition: background 0.3s ease, border-color 0.3s ease, color 0.1s ease, transform 0.3s ease, box-shadow 0.2s ease;
}
.tag:hover { 
    background: var(--card-hover); 
    color: var(--fg);
    transform: translateY(-2px) scale(1.15);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}
.tag-with-icon { 
    display: inline-flex; 
    align-items: center; 
    gap: 6px; 
}
.tag-icon { 
    flex-shrink: 0; 
    vertical-align: middle; 
    width: 14px; 
    height: 14px; 
    object-fit: contain; 
    transition: opacity 0.3s ease, transform 0.2s ease;
}
.tag:hover .tag-icon {
    opacity: 0.9;
    transform: scale(1.05);
}
.tag-icon svg { 
    width: 100%; 
    height: 100%; 
    display: block;
}
/* Ensure SVG icons with black fill adapt to theme */
[data-theme="light"] .tag-icon svg path[fill="#000000"],
[data-theme="light"] .tag-icon svg path[fill="#000"],
[data-theme="light"] .tag-icon svg[fill="#000000"],
[data-theme="light"] .tag-icon svg[fill="#000"] {
    fill: #1a1a1a;
}
[data-theme="dark"] .tag-icon svg path[fill="#000000"],
[data-theme="dark"] .tag-icon svg path[fill="#000"],
[data-theme="dark"] .tag-icon svg[fill="#000000"],
[data-theme="dark"] .tag-icon svg[fill="#000"] {
    fill: #e0e0e0;
}
/* Handle icons with currentColor */
.tag-icon svg[fill="currentColor"] {
    fill: var(--muted-fg);
}
.tag:hover .tag-icon svg[fill="currentColor"] {
    fill: var(--fg);
}
.tag-icon img { 
    width: 100%; 
    height: 100%; 
    object-fit: contain; 
    filter: none !important;
    transition: opacity 0.3s ease;
}
/* Improve icon visibility in light theme */
[data-theme="light"] .tag-icon img {
    opacity: 0.9;
}
[data-theme="dark"] .tag-icon img {
    opacity: 1;
}
/* Enhance contrast for kicker in both themes */
.kicker { 
    font-size:12px; 
    text-transform:uppercase; 
    letter-spacing:.06em; 
    color: color-mix(in oklab, var(--fg), transparent 40%);
    font-weight: 500;
    margin-bottom: 4px;
}

.project-links { display:flex; gap:12px; align-items:center; justify-content:flex-end; }

/* Container for tags and project links alignment */
.project-footer { 
    display: flex; 
    justify-content: space-between; 
    align-items: flex-end; 
    margin-top: 12px; 
    gap: 16px;
}
.project-footer .tags { 
    margin-top: 0; 
    flex: 1; 
}
.project-footer .project-links { 
    margin-top: 0; 
    flex-shrink: 0; 
}

/* Certifications */
.certification-header {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    margin-bottom: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.certification-badge {
    flex-shrink: 0;
    width: 90px;
    height: 90px;
    border-radius: 14px;
    overflow: hidden;
    background: var(--muted);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.card:hover .certification-badge {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    border-color: var(--accent);
}

[data-theme="dark"] .card:hover .certification-badge {
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .card:hover .certification-badge {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.badge-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 12px;
    transition: opacity 0.3s ease, transform 0.3s ease;
    filter: brightness(1) contrast(1);
}

[data-theme="light"] .badge-image {
    filter: brightness(0.95) contrast(1.1);
}

.card:hover .badge-image {
    transform: scale(1.05);
}

/* AWS Badge specific styling */
.certification-badge img[alt*="AWS"] {
    padding: 8px;
    background: linear-gradient(135deg, #f7f7f7 0%, #ffffff 100%);
    transform: scale(1.15);
}

[data-theme="dark"] .certification-badge img[alt*="AWS"] {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
}

.card:hover .certification-badge img[alt*="AWS"] {
    transform: scale(1.2);
}

/* MongoDB Badge specific styling */
.certification-badge img[alt*="MongoDB"] {
    padding: 10px;
    background: linear-gradient(135deg, #f0f9f4 0%, #ffffff 100%);
}

[data-theme="dark"] .certification-badge img[alt*="MongoDB"] {
    background: linear-gradient(135deg, #0d2818 0%, #1a2e21 100%);
}

.certification-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.certification-info .kicker {
    margin-bottom: 6px;
}

.certification-info .title {
    line-height: 1.4;
    margin-bottom: 6px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.certification-info .muted {
    font-size: 13px;
    opacity: 0.75;
    margin: 0;
    line-height: 1.5;
}

/* Certification description text */
.card .certification-header + p.muted {
    font-size: 14px;
    line-height: 1.65;
    color: color-mix(in oklab, var(--fg), transparent 45%);
    margin-top: 14px;
    margin-bottom: 0;
}

.certification-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 16px;
    gap: 12px;
}

.certification-footer .tags {
    margin-top: 0;
    flex: 1;
}

.certification-footer .project-links {
    margin-top: 0;
    flex-shrink: 0;
}

/* Certification PDF Preview on Hover */
.mongodb-cert-card {
    position: relative;
    overflow: visible;
}

.cert-preview-container {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(10px) scale(0.95);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s cubic-bezier(.47,.47,.42,1), 
                visibility 0.25s cubic-bezier(.47,.47,.42,1),
                transform 0.25s cubic-bezier(.47,.47,.42,1);
    z-index: 1000;
}

.mongodb-cert-card:hover .cert-preview-container {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0) scale(1);
}

.cert-preview {
    width: 350px;
    height: 330px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    position: relative;
    margin: 0;
    padding: 0;
    line-height: 0;
    display: flex;
    flex-direction: column;
    clip-path: inset(0 0 0 0);
}

[data-theme="light"] .cert-preview {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.cert-preview iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
    margin: 0;
    padding: 0;
    background: var(--bg);
    line-height: 0;
    flex: 1;
    min-height: 0;
    overflow: hidden !important;
    pointer-events: none;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.cert-preview img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    margin: 0;
    padding: 0;
    background: var(--bg);
    border: none;
    min-height: 0;
    flex: 1;
    transform: scale(1.45);
    transform-origin: center center;
}

.cert-preview iframe::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}

/* Remove default PDF viewer margins and spacing */
.cert-preview iframe[src*=".pdf"] {
    margin: 0;
    padding: 0;
    border: none;
    display: block;
    overflow: hidden !important;
}

/* Ensure PDF content fits without scrollbars in all browsers */
.cert-preview object,
.cert-preview embed {
    width: 100%;
    height: 100%;
    border: none;
    overflow: hidden;
    display: block;
}

/* Arrow pointing to the card */
.cert-preview-container::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--border);
    z-index: 2;
}

.cert-preview-container::after {
    content: '';
    position: absolute;
    top: calc(100% - 1px);
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 9px solid transparent;
    border-right: 9px solid transparent;
    border-top: 9px solid var(--bg);
    z-index: 3;
}

[data-theme="light"] .cert-preview-container::before {
    border-top-color: var(--border);
}

[data-theme="light"] .cert-preview-container::after {
    border-top-color: var(--bg);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .cert-preview {
        width: 300px;
        height: 285px;
    }
    
    .cert-preview-container {
        bottom: calc(100% + 8px);
    }
}

@media (max-width: 480px) {
    .cert-preview {
        width: 260px;
        height: 245px;
    }
    
    .cert-preview-container {
        bottom: calc(100% + 6px);
    }
}

/* Prevent hover on touch devices */
@media (hover: none) {
    .cert-preview-container {
        display: none;
    }
}

/* Enhanced certification card styling */
.card .certification-header {
    transition: border-color 0.3s ease;
}

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

@media (max-width: 720px) {
    .certification-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding-bottom: 16px;
    }
    
    .certification-badge {
        width: 100px;
        height: 100px;
    }
    
    .certification-info {
        width: 100%;
    }
    
    .certification-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}
.github-link {
    display:inline-flex; align-items:center; justify-content:center; width:36px; height:36px; border-radius:50%;
    background:var(--muted); border:1px solid var(--border); color:var(--muted-fg);
    transition: transform .18s cubic-bezier(.47,1.64,.41,.8), background .4s, border-color .4s, color .4s;
}
.github-link:hover, .github-link:focus { 
    transform: scale(1.1); 
    background: var(--accent); 
    color: #fff;
    border-color: var(--accent);
}
.github-link svg { 
    width:18px; height:18px; display:block; 
    transition: transform .2s ease;
}
.github-link:hover svg { 
    transform: scale(1.1);
}

/* Demo link styling */
.demo-link {
    display:inline-flex; align-items:center; justify-content:center; width:36px; height:36px; border-radius:50%;
    background:var(--muted); border:1px solid var(--border); color:var(--muted-fg);
    transition: transform .18s cubic-bezier(.47,1.64,.41,.8), background .4s, border-color .4s, color .4s;
}
.demo-link:hover, .demo-link:focus { 
    transform: scale(1.1); 
    background: #22c55e; 
    color: #fff;
    border-color: #22c55e;
}
.demo-link svg { 
    width:18px; height:18px; display:block; 
    transition: transform .2s ease;
}
.demo-link:hover svg { 
    transform: scale(1.1);
}

/* Light theme support for GitHub links */
[data-theme="light"] .github-link { 
    background:#F5F5F5; 
    border:1px solid var(--border); 
    color:#737373; 
}
[data-theme="light"] .github-link:hover, 
[data-theme="light"] .github-link:focus { 
    background:#3136B0; 
    color:#fff; 
    border-color:#3136B0;
}

/* Light theme support for demo links */
[data-theme="light"] .demo-link { 
    background:#F5F5F5; 
    border:1px solid var(--border); 
    color:#737373; 
}
[data-theme="light"] .demo-link:hover, 
[data-theme="light"] .demo-link:focus { 
    background:#22c55e; 
    color:#fff; 
    border-color:#22c55e;
}

.social-icons { display:flex; gap:22px; align-items:center; margin-top:12px; }
.social-link {
    display:inline-flex; align-items:center; justify-content:center; width:44px; height:44px; border-radius:50%;
    background:var(--muted); border:1px solid var(--border); color:var(--fg);
    transition: transform .18s cubic-bezier(.47,1.64,.41,.8), background .4s, border-color .4s;
}
.social-link svg { width:22px; height:22px; display:block; fill:var(--muted-fg); transition: fill .22s; }
.social-link:hover, .social-link:focus { transform: scale(1.18); background: var(--accent); }
.social-link:hover svg, .social-link:focus svg { fill: #fff; }
[data-theme="light"] .social-link { background:#F5F5F5; border:1px solid var(--border); }
[data-theme="light"] .social-link svg { fill:#737373; }
[data-theme="light"] .social-link:hover, [data-theme="light"] .social-link:focus { background:#3136B0; }
[data-theme="light"] .social-link:hover svg, [data-theme="light"] .social-link:focus svg { fill:#fff; }

footer {
    padding: 15px 0; color: color-mix(in oklab, var(--fg), transparent 40%);
    border-top: 1px solid var(--border); margin-top: 18px;
}

/* Animations */
.fade-in { animation: fadeIn 0.6s ease-out; opacity: 1 !important; pointer-events: auto; }
.section.lazyhide { opacity: 0 !important; pointer-events: none; }
@keyframes fadeIn { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }

@media (max-width: 768px) {
    .first, .last { font-size: clamp(32px, 10vw, 54px); }
    .section#contact { padding-bottom: 0 !important; }
    footer { margin-top: 12px; }
    
    /* Footer mobile responsiveness */
    footer {
        padding: 12px 0;
        margin-bottom: 60px; /* Space for chatbot */
    }
    
    footer .container {
        font-size: 14px;
        line-height: 1.4;
    }
    
    footer .padded-left {
        padding-left: 0;
        margin-top: 4px;
        font-size: 13px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    /* Terminal mobile width responsiveness */
    .terminal-container {
        width: 100%;
        max-width: 100%;
        margin: 8px 0;
        font-size: 12px;
        overflow-x: hidden;
    }
    
    .terminal-body {
        padding: 12px;
        min-height: 200px;
        max-height: 250px;
        overflow-x: hidden;
        overflow-y: hidden;
        word-wrap: break-word;
    }
    
    .terminal-line {
        font-size: 12px;
        line-height: 1.3;
        margin-bottom: 3px;
        flex-wrap: wrap;
        word-break: break-word;
    }
    
    .terminal-prompt {
        font-size: 11px;
        margin-right: 4px;
        flex-shrink: 0;
    }
    
    .terminal-text {
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }
    
    .terminal-input {
        font-size: 12px;
        width: 100%;
    }
    
    .terminal-cursor {
        width: 6px;
        height: 14px;
    }
}

/* ===== Chatbot (updated) ===== */
.chatbot-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  font-family: inherit;
}

.chatbot-window {
  width: 360px;
  height: 500px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);
  display: none;
  flex-direction: column;
  overflow: hidden;
  position: fixed;
  bottom: 96px;
  right: 24px;
  z-index: 1000;
}
.chatbot-window.open {
  display: flex;
  animation: slideUp .3s cubic-bezier(.47,.47,.42,1);
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px) scale(.95) }
  to   { opacity: 1; transform: translateY(0)    scale(1) }
}

.chatbot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--muted);
}
.chatbot-title { display:flex; align-items:center; gap:8px; font-weight:600; color:var(--fg); font-size:14px }
.chatbot-close {
  background: none; border: none; color: var(--muted-fg);
  cursor: pointer; padding: 4px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
}
.chatbot-close:hover { background: var(--card-hover); color: var(--fg) }

.chatbot-messages {
  flex: 1; padding: 16px 20px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 12px;
}
.chatbot-message { display: flex; flex-direction: column; max-width: 85% }
.chatbot-message.user-message { align-self: flex-end }
.chatbot-message.bot-message  { align-self: flex-start }
.message-content { padding: 12px 16px; border-radius: 18px; font-size: 14px; line-height: 1.4; word-wrap: break-word }
.user-message .message-content { background: var(--accent); color: #fff; border-bottom-right-radius: 6px }
.bot-message  .message-content { background: var(--muted); color: var(--fg); border: 1px solid var(--border); border-bottom-left-radius: 6px }

.chatbot-input-container {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px; border-top: 1px solid var(--border); background: var(--bg);
}
.chatbot-input {
  flex: 1; background: var(--muted); border: 1px solid var(--border);
  border-radius: 20px; padding: 12px 16px; font-size: 14px; color: var(--fg);
  outline: none; font-family: inherit;
}
.chatbot-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(49,54,176,.1) }
.chatbot-input::placeholder { color: var(--muted-fg) }
.chatbot-send {
  background: var(--accent); border: none; border-radius: 50%;
  width: 40px; height: 40px; display:flex; align-items:center; justify-content:center; color:#fff;
}
.chatbot-send:disabled { opacity: .5; cursor: not-allowed }

/* Launcher button — light theme stays blue (your existing look) */
.chatbot-toggle {
  width: 56px; height: 56px; background: var(--accent); color: #fff;
  border: none; border-radius: 50%; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 16px rgba(49,54,176,.3);
  position: fixed; bottom: 24px; right: 24px; z-index: 1001;
}
/* Ensure the icon inherits the button color */
.chatbot-toggle svg { stroke: currentColor; }

/* DARK THEME OVERRIDES: neutral greys + white icon ONLY in dark theme */
[data-theme="dark"] .chatbot-window {
  box-shadow: 0 20px 25px -5px rgba(0,0,0,.4), 0 10px 10px -5px rgba(0,0,0,.2);
  background: #171717; border: 1px solid #262626;
}
[data-theme="dark"] .chatbot-header { background:#171717; border-bottom: 1px solid #262626 }
[data-theme="dark"] .bot-message .message-content { background:#262626; color:#FAFAFA; border:1px solid #262626 }
[data-theme="dark"] .user-message .message-content { background:#3136B0; color:#fff }
[data-theme="dark"] .chatbot-input { background:#262626; border:1px solid #262626; color:#FAFAFA }
[data-theme="dark"] .chatbot-input:focus{
  border-color:#3a3a3a !important;
  box-shadow: 0 0 0 3px rgba(255,255,255,.05) !important;
}
[data-theme="dark"] .chatbot-input-container { background:#171717; border-top:1px solid #262626 }
[data-theme="dark"] .chatbot-messages { background:#171717 }
[data-theme="dark"] .chatbot-close { color:#A1A1A1 }
[data-theme="dark"] .chatbot-close:hover { background:#262626; color:#FAFAFA }
[data-theme="dark"] .chatbot-send{
  background: var(--chatbot-btn-bg) !important; /* beats earlier blue rule */
  color: var(--chatbot-icon);
  box-shadow: 0 10px 20px rgba(0,0,0,.45);
}

/* <<< This replaces the blue launcher in dark theme >>> */
[data-theme="dark"] .chatbot-toggle {
  background: var(--chatbot-btn-bg);
  color: var(--chatbot-icon);
  box-shadow: 0 10px 20px rgba(0,0,0,.45);
  transition: transform .18s cubic-bezier(.3,1,.3,1), box-shadow .25s ease, background .2s ease;
}
[data-theme="dark"] .chatbot-toggle:hover,
[data-theme="dark"] .chatbot-send:hover{
  background: var(--chatbot-btn-bg-hover);
}
[data-theme="dark"] .chatbot-toggle:active { transform: scale(.96) }

@media (max-width:480px){
  .chatbot-container { bottom:16px; right:16px }
  .chatbot-window { width: calc(100vw - 32px); max-width:360px; height:400px; bottom:80px; right:16px }
  .chatbot-toggle { width:48px; height:48px; bottom:16px; right:16px }
  
  /* Footer small mobile responsiveness */
  footer {
    padding: 10px 0;
    margin-bottom: 70px; /* More space for chatbot */
  }
  
  footer .container {
    font-size: 13px;
    line-height: 1.3;
  }
  
  footer .padded-left {
    padding-left: 0;
    margin-top: 3px;
    font-size: 12px;
    line-height: 1.2;
  }
  
  /* Extra small mobile terminal width fixes */
  .terminal-container {
    width: 100%;
    max-width: 100%;
    margin: 4px 0;
    font-size: 11px;
    overflow-x: hidden;
  }
  
  .terminal-body {
    padding: 8px;
    min-height: 150px;
    max-height: 200px;
    overflow-x: hidden;
    overflow-y: hidden;
  }
  
  .terminal-line {
    font-size: 11px;
    line-height: 1.2;
    margin-bottom: 2px;
    flex-wrap: wrap;
    word-break: break-all;
  }
  
  .terminal-prompt {
    font-size: 10px;
    margin-right: 3px;
    flex-shrink: 0;
  }
  
  .terminal-text {
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    word-break: break-word;
  }
  
  .terminal-input {
    font-size: 11px;
    width: 100%;
  }
  
  .terminal-cursor {
    width: 5px;
    height: 12px;
  }
}

/* Very small screens (320px and below) */
@media (max-width: 320px) {
  /* Footer very small screen responsiveness */
  footer {
    padding: 8px 0;
    margin-bottom: 80px; /* Extra space for chatbot */
  }
  
  footer .container {
    font-size: 12px;
    line-height: 1.2;
  }
  
  footer .padded-left {
    padding-left: 0;
    margin-top: 2px;
    font-size: 11px;
    line-height: 1.1;
  }
  
  .terminal-container {
    width: 100%;
    max-width: 100%;
    margin: 2px 0;
    font-size: 10px;
    overflow-x: hidden;
  }
  
  .terminal-body {
    padding: 6px;
    min-height: 120px;
    max-height: 150px;
    overflow-x: hidden;
    overflow-y: hidden;
  }
  
  .terminal-line {
    font-size: 10px;
    line-height: 1.1;
    margin-bottom: 1px;
    flex-wrap: wrap;
    word-break: break-all;
  }
  
  .terminal-prompt {
    font-size: 9px;
    margin-right: 2px;
    flex-shrink: 0;
  }
  
  .terminal-text {
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    word-break: break-word;
  }
  
  .terminal-input {
    font-size: 10px;
    width: 100%;
  }
  
  .terminal-cursor {
    width: 4px;
    height: 10px;
  }
}

/* ===== Terminal Styling ===== */
.terminal {
    font-family: "JetBrains Mono", monospace;
}

.terminal-container {
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 8px;
    overflow: hidden;
    font-family: 'JetBrains Mono', 'Fira Code', 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.terminal-header {
    background: #2d2d2d;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #333;
}

.terminal-controls {
    display: flex;
    gap: 6px;
}

.terminal-control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
}

.terminal-control.close {
    background: #ff5f56;
}

.terminal-control.minimize {
    background: #ffbd2e;
}

.terminal-control.maximize {
    background: #27ca3f;
}

.terminal-title {
    color: #ccc;
    font-size: 12px;
    font-weight: 500;
}

.terminal-body {
    background: #1a1a1a;
    padding: 16px;
    min-height: 300px;
    max-height: 400px;
    overflow-y: auto;
}

.terminal-output {
    margin-bottom: 8px;
}

.terminal-line {
    margin-bottom: 4px;
    display: flex;
    align-items: flex-start;
    font-size: 14px;
    line-height: 1.4;
}

.terminal-prompt {
    color: #4ade80;
    font-weight: 600;
    margin-right: 8px;
    flex-shrink: 0;
}

.terminal-text {
    color: #e5e5e5;
    word-wrap: break-word;
    flex: 1;
}

.terminal-input-line {
    display: flex;
    align-items: center;
    position: relative;
}

.terminal-input {
    background: transparent;
    border: none;
    outline: none;
    color: #e5e5e5;
    font-family: inherit;
    font-size: 14px;
    flex: 1;
    margin-left: 8px;
}

.terminal-cursor {
    color: #4ade80;
    animation: blink 1s infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Terminal command highlighting */
.terminal-command {
    color: #60a5fa;
    font-weight: 600;
}

.terminal-arg {
    color: #fbbf24;
}

.terminal-file {
    color: #34d399;
}

.terminal-directory {
    color: #a78bfa;
}

.terminal-error {
    color: #f87171;
}

.terminal-success {
    color: #4ade80;
}

.terminal-arg {
    color: #fbbf24;
    font-weight: 500;
}

/* Light theme terminal */
[data-theme="light"] .terminal-container {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .terminal-header {
    background: #e9ecef;
    border-bottom: 1px solid #dee2e6;
}

[data-theme="light"] .terminal-title {
    color: #495057;
}

[data-theme="light"] .terminal-body {
    background: #f8f9fa;
}

[data-theme="light"] .terminal-prompt {
    color: #28a745;
}

[data-theme="light"] .terminal-text {
    color: #212529;
}

[data-theme="light"] .terminal-input {
    color: #212529;
}

[data-theme="light"] .terminal-cursor {
    color: #28a745;
}

[data-theme="light"] .terminal-command {
    color: #007bff;
}

[data-theme="light"] .terminal-arg {
    color: #fd7e14;
}

[data-theme="light"] .terminal-file {
    color: #28a745;
}

[data-theme="light"] .terminal-directory {
    color: #6f42c1;
}

[data-theme="light"] .terminal-error {
    color: #dc3545;
}

[data-theme="light"] .terminal-success {
    color: #28a745;
}

/* Optional transition helper */
body.theme-transitioning,
body.theme-transitioning header,
body.theme-transitioning .container,
body.theme-transitioning .sidebar,
body.theme-transitioning .quickbar,
body.theme-transitioning .section,
body.theme-transitioning .nav,
body.theme-transitioning .card,
body.theme-transitioning .chip,
body.theme-transitioning .sidebar-links,
body.theme-transitioning .tag,
body.theme-transitioning .section-title,
body.theme-transitioning .muted,
body.theme-transitioning .title {
    transition: background 0.42s cubic-bezier(.47,.47,.42,1) !important;
}