/* ═══════════════════════════════════════════════
   a9l.im — Portfolio Site Styles
   Colors/fonts injected by shared-tokens.js.
   No colors.js on root site — tokens stay mutable.
   ═══════════════════════════════════════════════ */

/* Override shared 52px toolbar for portfolio layout */
:root {
    --toolbar-h: 56px;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

html {
    scroll-behavior: smooth;
}

body {
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
    min-height: 100dvh; /* dvh fallback for mobile address bar */
    overflow-x: hidden;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s var(--ease-out);
}
a:hover { color: var(--accent-light); }

/* ═══════════════════════════════════
   Shader Background Canvas
   ═══════════════════════════════════ */
/* z-index: 0 — behind all content; reduced opacity in dark mode */
#shader-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.7;
    transition: opacity 0.8s var(--ease-out);
}

[data-theme="dark"] #shader-bg { opacity: 0.55; }

/* ═══════════════════════════════════
   Navigation Bar
   ═══════════════════════════════════ */
/* Extends .sim-toolbar.glass from shared-base.css */
#navbar {
    border-radius: var(--radius-lg);
    padding: 0 12px 0 20px;
}

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

.nav-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-center {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: color 0.2s var(--ease-out), background 0.2s var(--ease-out);
    cursor: pointer;
    text-decoration: none;
}

.nav-link:hover {
    color: var(--text);
    background: var(--bg-hover);
}

.nav-link.active {
    color: var(--accent);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Override shared 34x34 tool-btn to 36x36 for portfolio nav */
.tool-btn {
    width: 36px;
    height: 36px;
    display: inline-flex;
    border: none;
    color: var(--text-secondary);
    transition: background 0.15s var(--ease-out), color 0.15s var(--ease-out);
}

.tool-btn[aria-label="Twitter"] svg,
.tool-btn[aria-label="LinkedIn"] svg { fill: currentColor; stroke: none; }


/* Hidden on desktop; shown at <=900px breakpoint */
.menu-toggle {
    display: none;
}

/* z-index: 99 — above navbar (100 from shared-base), below nothing else on root site */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 99;
    background: var(--bg-canvas);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--ease-out);
}

.mobile-nav.open {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav .nav-link {
    font-size: 1.2rem;
    padding: 14px 28px;
}

/* ═══════════════════════════════════
   Page Container & Sections
   ═══════════════════════════════════ */
/* z-index: 1 lifts content above the fixed shader canvas (z:0) */
.page-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

.page-section {
    display: none;
    padding-top: calc(var(--toolbar-h) + 48px);
    padding-bottom: 80px;
    min-height: 100vh;
    min-height: 100dvh;
}

.page-section.active {
    display: block;
    animation: pageEnter 0.35s var(--ease-out) both;
}

@keyframes pageEnter {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Uppercase mono label used on every page ("Featured", "Projects", etc.) */
.section-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

/* ═══════════════════════════════════
   Hero / Landing Page
   ═══════════════════════════════════ */
#page-home.active {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-top: 0;
    padding-bottom: 0;
}

.hero {
    max-width: 720px;
    padding-top: 20vh;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-tagline {
    font-family: var(--font-display);
    font-weight: normal;
    font-size: clamp(3rem, 7vw, 5.5rem);
    line-height: 1.02;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 28px;
    text-wrap: balance;
    animation: heroFadeUp 0.8s var(--ease-out) 0.1s both;
}

.hero-tagline em {
    font-style: italic;
    background: linear-gradient(135deg, var(--accent) 30%, var(--accent-light) 70%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding-right: 0.05em; /* prevent italic glyph clipping at right edge */
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 480px;
    margin: 0 auto 40px;
    line-height: 1.65;
    animation: heroFadeUp 0.8s var(--ease-out) 0.25s both;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--accent);
    color: var(--overlay-text);
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: none;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: background 0.2s var(--ease-out), transform 0.2s var(--ease-spring), box-shadow 0.2s var(--ease-out);
    box-shadow: 0 4px 20px var(--accent-glow);
    animation: heroFadeUp 0.8s var(--ease-out) 0.4s both;
}

@keyframes heroFadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero-cta:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px var(--accent-glow);
    color: var(--overlay-text);
}

.hero-cta svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform 0.2s var(--ease-out);
}

.hero-cta:hover svg {
    transform: translateX(3px);
}

/* ═══════════════════════════════════
   Projects Page
   ═══════════════════════════════════ */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 20px;
}

.project-card {
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: transform 0.35s var(--ease-spring), box-shadow 0.3s var(--ease-out);
    text-decoration: none;
    color: var(--text);
    position: relative;
    overflow: hidden;
}

/* ::before = accent gradient overlay on hover */
.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-subtle), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s var(--ease-out);
    pointer-events: none;
}

/* .visible:hover needed to beat .fade-in.visible (specificity 0,2,0) */
.project-card:hover,
.project-card.visible:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: var(--shadow-lg);
    color: var(--text);
}

.project-card:hover::before {
    opacity: 1;
}

/* ::after = shimmer highlight following --mouse-x/--mouse-y (set by card-effects.js) */
.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--shimmer), transparent 40%);
    opacity: 0;
    transition: opacity 0.3s var(--ease-out);
    pointer-events: none;
    border-radius: inherit;
    z-index: 3;
}

.project-card:hover::after {
    opacity: 1;
}

.project-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.project-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--accent-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.project-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent);
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.project-arrow {
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    transition: color 0.2s var(--ease-out), transform 0.2s var(--ease-out);
    flex-shrink: 0;
    margin-top: 4px;
}

.project-arrow svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.project-card:hover .project-arrow {
    color: var(--accent);
    transform: translate(3px, -3px);
}

.project-title {
    font-family: var(--font-display);
    font-weight: normal;
    font-size: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

.project-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    background: var(--bg-hover);
    color: var(--text-secondary);
    white-space: nowrap;
    opacity: 0.7;
    transform: translateY(4px);
    transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), background 0.2s var(--ease-out);
}

.project-card:hover .project-tag {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover .project-tag:nth-child(2) { transition-delay: 0.04s; }
.project-card:hover .project-tag:nth-child(3) { transition-delay: 0.08s; }
.project-card:hover .project-tag:nth-child(4) { transition-delay: 0.12s; }
.project-card:hover .project-tag:nth-child(5) { transition-delay: 0.16s; }

/* ═══════════════════════════════════
   Blog Page
   ═══════════════════════════════════ */
.blog-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 20px;
}

.blog-entry {
    display: flex;
    align-items: baseline;
    gap: 24px;
    padding: 16px;
    border-radius: var(--radius-sm);
    transition: background 0.15s var(--ease-out);
    text-decoration: none;
    color: var(--text);
}

.blog-entry:hover {
    background: var(--bg-hover);
    color: var(--text);
}

.blog-date {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 90px;
    font-variant-numeric: tabular-nums;
}

.blog-title {
    font-size: 1rem;
    font-weight: 500;
    flex: 1;
}

.blog-tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    background: var(--bg-hover);
    white-space: nowrap;
    flex-shrink: 0;
}

.blog-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.blog-empty-icon {
    font-size: 2rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.blog-loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

/* Shimmer skeleton shown while blog listing/post fetches are in-flight */
.skeleton {
    background: linear-gradient(90deg, var(--bg-hover) 25%, var(--bg-elevated) 50%, var(--bg-hover) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-entry {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 16px;
}

.skeleton-date {
    width: 90px;
    height: 14px;
    flex-shrink: 0;
}

.skeleton-title {
    flex: 1;
    height: 16px;
}

.skeleton-tag {
    width: 60px;
    height: 20px;
    border-radius: var(--radius-pill);
    flex-shrink: 0;
}

.blog-error {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.blog-error-icon {
    font-size: 1.5rem;
    margin-bottom: 12px;
    opacity: 0.5;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ─── Blog Post View ─── */
.blog-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 32px;
    transition: color 0.2s var(--ease-out);
}
.blog-back:hover { color: var(--accent); }
.blog-back svg { flex-shrink: 0; }

.blog-post-header {
    margin-bottom: 40px;
}

.blog-post-date {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-variant-numeric: tabular-nums;
}

.blog-post-title {
    font-family: var(--font-display);
    font-weight: normal;
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.025em;
    color: var(--text);
}

/* Rendered markdown from parseMarkdown() — scoped to .blog-content */
.blog-content {
    max-width: 680px;
    line-height: 1.75;
    color: var(--text-secondary);
}

.blog-content h1,
.blog-content h2,
.blog-content h3,
.blog-content h4,
.blog-content h5,
.blog-content h6 {
    color: var(--text);
    line-height: 1.3;
    margin-top: 2em;
    margin-bottom: 0.6em;
}

.blog-content h1 { font-family: var(--font-display); font-weight: normal; font-size: 2rem; }
.blog-content h2 { font-family: var(--font-display); font-weight: normal; font-size: 1.5rem; border-bottom: 1px solid var(--border); padding-bottom: 0.3em; }
.blog-content h3 { font-size: 1.15rem; font-weight: 600; }
.blog-content h4 { font-size: 1rem; font-weight: 600; }

.blog-content p {
    margin-bottom: 1.25em;
}

.blog-content a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.blog-content a:hover { color: var(--accent-light); }

.blog-content strong { color: var(--text); font-weight: 600; }

.blog-content code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--bg-hover);
}

.blog-content pre {
    margin: 1.5em 0;
    padding: 20px 24px;
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    overflow-x: auto;
    line-height: 1.5;
}

.blog-content pre code {
    padding: 0;
    background: none;
    font-size: 0.85rem;
    color: var(--text);
}

/* Language label above fenced code blocks (class set by markdown.js) */
.blog-content pre code[class*="language-"]::before {
    content: attr(class);
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

/* Map class names to human-readable language labels */
.blog-content pre code.language-js::before { content: "javascript"; }
.blog-content pre code.language-javascript::before { content: "javascript"; }
.blog-content pre code.language-ts::before { content: "typescript"; }
.blog-content pre code.language-typescript::before { content: "typescript"; }
.blog-content pre code.language-html::before { content: "html"; }
.blog-content pre code.language-css::before { content: "css"; }
.blog-content pre code.language-python::before { content: "python"; }
.blog-content pre code.language-py::before { content: "python"; }
.blog-content pre code.language-bash::before { content: "bash"; }
.blog-content pre code.language-sh::before { content: "shell"; }
.blog-content pre code.language-json::before { content: "json"; }
.blog-content pre code.language-rust::before { content: "rust"; }
.blog-content pre code.language-go::before { content: "go"; }
.blog-content pre code.language-c::before { content: "c"; }
.blog-content pre code.language-cpp::before { content: "c++"; }
.blog-content pre code.language-glsl::before { content: "glsl"; }

.blog-content blockquote {
    margin: 1.5em 0;
    padding: 12px 20px;
    border-left: 3px solid var(--accent);
    background: var(--bg-hover);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-secondary);
}

.blog-content blockquote p { margin-bottom: 0.5em; }
.blog-content blockquote p:last-child { margin-bottom: 0; }

.blog-content ul,
.blog-content ol {
    margin: 1em 0;
    padding-left: 1.6em;
}

.blog-content li {
    margin-bottom: 0.4em;
}

.blog-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2.5em 0;
}

.blog-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 1.5em 0;
}

/* ═══════════════════════════════════
   About Page
   ═══════════════════════════════════ */
.about-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    margin-top: 20px;
}

.about-bio {
    max-width: 600px;
}

.about-bio h2 {
    font-family: var(--font-display);
    font-weight: normal;
    font-size: 2rem;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.about-bio p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.contact-section {
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-top: 48px;
}

.contact-section h3 {
    font-family: var(--font-display);
    font-weight: normal;
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.contact-section p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 20px;
}

.contact-email {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--accent);
    transition: color 0.2s var(--ease-out);
}

.contact-email:hover {
    color: var(--accent-light);
}

/* ═══════════════════════════════════
   Footer
   ═══════════════════════════════════ */
.site-footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 40px 24px 32px;
    color: var(--text-muted);
    font-size: 0.78rem;
    max-width: 1080px;
    margin: 0 auto;
}

.footer-accent {
    width: 48px;
    height: 2px;
    background: var(--accent);
    margin: 0 auto 32px;
    border-radius: 1px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.footer-nav {
    display: flex;
    gap: 24px;
}

.footer-nav a {
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s var(--ease-out);
}

.footer-nav a:hover {
    color: var(--text);
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    color: var(--text-muted);
    transition: color 0.2s var(--ease-out);
}

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

.footer-copy {
    margin-top: 4px;
}

/* ═══════════════════════════════════
   Scroll Hint
   ═══════════════════════════════════ */
.scroll-hint {
    position: absolute;
    bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: var(--font-mono);
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    animation: heroFadeUp 0.8s var(--ease-out) 0.6s both;
}

.scroll-hint-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-muted), transparent);
    position: relative;
    overflow: hidden;
}

.scroll-hint-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--accent), transparent);
    animation: scrollLine 2s var(--ease-in-out) 1s infinite;
}

@keyframes scrollLine {
    0%   { top: -100%; }
    100% { top: 100%; }
}

/* ═══════════════════════════════════
   Accent Stripe Transition
   ═══════════════════════════════════ */
/* Slides in from left via JS transform in animations.js; starts offscreen */
.stripe-section {
    width: 100%;
    height: 160px;
    position: relative;
    margin-top: -40px;
    z-index: 2;
}

.stripe-band {
    position: absolute;
    left: -20%;
    width: 140%;
    height: 52px;
    top: 50%;
    transform: translateX(-120%) rotate(-3deg);
    transform-origin: center center;
    background: var(--accent);
    will-change: transform;
}

/* ═══════════════════════════════════
   Project Carousel (Home Page)
   ═══════════════════════════════════ */
/* Edge fade masks prevent hard clip at carousel sides */
.carousel-section {
    width: 100%;
    max-width: 1200px;
    padding: 0 0 80px;
    -webkit-mask-image: linear-gradient(to right, transparent, black 24px, black calc(100% - 24px), transparent);
    mask-image: linear-gradient(to right, transparent, black 24px, black calc(100% - 24px), transparent);
}

.carousel-label {
    text-align: left;
    margin-bottom: 24px;
    padding-left: 24px;
}

.carousel-viewport {
    overflow: hidden;
    position: relative;
}

/* Desktop: JS sets translateX for pagination. Track must NOT have overflow:hidden
   or the clipping boundary moves with the transform, hiding later pages. */
.carousel-track {
    display: flex;
    gap: 24px;
    position: relative;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 8px 24px 16px;
    transition: transform 0.6s var(--ease-out);
    will-change: transform;
}

.carousel-track::-webkit-scrollbar { display: none; }

.carousel-card {
    flex: 0 0 calc((100% - 48px) / 3);
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    color: var(--overlay-text);
    aspect-ratio: 16 / 10;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: transform 0.4s var(--ease-spring), box-shadow 0.3s var(--ease-out);
}

.carousel-card-visual {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, var(--bg-panel-solid) 0%, var(--bg-elevated) 100%);
    transition: transform 0.5s var(--ease-out);
}

.carousel-card-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom,
        transparent 0%,
        color-mix(in srgb, var(--overlay-base) 4%, transparent) 20%,
        color-mix(in srgb, var(--overlay-base) 12%, transparent) 35%,
        color-mix(in srgb, var(--overlay-base) 28%, transparent) 50%,
        color-mix(in srgb, var(--overlay-base) 50%, transparent) 65%,
        color-mix(in srgb, var(--overlay-base) 75%, transparent) 80%,
        color-mix(in srgb, var(--overlay-base) 92%, transparent) 92%,
        var(--overlay-full) 100%
    );
    pointer-events: none;
}

/* Hover darkening layer: bell-curve gradient adds contrast under text */
.carousel-card-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom,
        transparent 0%,
        color-mix(in srgb, var(--overlay-base) 6%, transparent) 25%,
        color-mix(in srgb, var(--overlay-base) 12%, transparent) 50%,
        color-mix(in srgb, var(--overlay-base) 8%, transparent) 75%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity 0.4s var(--ease-out);
}

.carousel-card:hover .carousel-card-overlay::after {
    opacity: 1;
}

[data-theme="dark"] .carousel-card-visual {
    background: linear-gradient(160deg, var(--bg-elevated) 0%, var(--card-bg-end) 100%);
}

.carousel-card:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: var(--shadow-lg);
}

.carousel-card-info {
    position: relative;
    z-index: 1;
    padding: 24px;
}

.carousel-card-info h3 {
    font-family: var(--font-display);
    font-weight: normal;
    font-size: 1.65rem;
    line-height: 1.15;
    margin-bottom: 8px;
    color: var(--overlay-text);
}

.carousel-card-info p {
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--overlay-text-dim);
    margin-bottom: 8px;
}

.carousel-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.carousel-card-tags span {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 2px 7px;
    border-radius: var(--radius-pill);
    background: var(--overlay-tint);
    color: var(--overlay-tint-dim);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 20px 0 0;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-pill);
    background: var(--border-strong);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: background 0.25s var(--ease-out), width 0.4s var(--ease-spring), transform 0.25s var(--ease-spring);
}

.carousel-dot:hover {
    background: var(--text-muted);
    transform: scale(1.2);
}

.carousel-dot.active {
    width: 28px;
    background: var(--accent);
    transform: none;
}

/* Shimmer: radial gradient follows mouse via --mouse-x/--mouse-y from card-effects.js */
.carousel-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--shimmer-subtle), transparent 50%);
    opacity: 0;
    transition: opacity 0.3s var(--ease-out);
    pointer-events: none;
    z-index: 3;
    border-radius: inherit;
}

.carousel-card:hover::after {
    opacity: 1;
}

/* Tags slide up with staggered delay on hover */
.carousel-card-tags span {
    transform: translateY(4px);
    opacity: 0.8;
    transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

.carousel-card:hover .carousel-card-tags span {
    transform: translateY(0);
    opacity: 1;
}

.carousel-card:hover .carousel-card-tags span:nth-child(2) { transition-delay: 0.05s; }
.carousel-card:hover .carousel-card-tags span:nth-child(3) { transition-delay: 0.1s; }

/* ═══════════════════════════════════
   Inspirational Message
   ═══════════════════════════════════ */
.inspire-section {
    width: 100%;
    max-width: 760px;
    padding: 40px 24px 120px;
    text-align: center;
}

.inspire-quote {
    font-family: var(--font-display);
    font-style: normal;
    font-size: clamp(1.6rem, 4vw, 2.6rem);
    line-height: 1.3;
    color: var(--text);
    text-wrap: balance;
    letter-spacing: -0.01em;
    border: none;
    padding: 0;
    margin: 0 0 16px;
    background: none;
}

.inspire-quote em {
    font-style: normal;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.inspire-cite {
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-style: normal;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

/* ═══════════════════════════════════
   World Map (About Page)
   ═══════════════════════════════════ */
.map-section {
    width: 100%;
    position: relative;
    margin-top: 40px;
    overflow: hidden;
}

.map-fade-top,
.map-fade-bottom {
    display: none;
}

/* Overlay SVG for dots & arc — z-index: 2 above the masked map */
.map-overlay-svg {
    position: absolute;
    bottom: 0;
    left: -10%;
    width: 120%;
    height: 540px;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
}

/* Wider than viewport to avoid visible edge clipping; vertical mask fades top/bottom */
.world-map-wrap {
    width: 120%;
    margin-left: -10%;
    height: 540px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 65%, transparent 88%);
    mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 65%, transparent 88%);
}

.world-map-wrap svg {
    width: 100%;
    height: 100%;
    display: block;
}

.world-map-wrap svg path {
    fill: var(--ext-brown);
    fill-opacity: 0.22;
    stroke: none;
    transition: fill-opacity 0.3s var(--ease-out);
}

[data-theme="dark"] .world-map-wrap svg path {
    fill: var(--ext-brown);
    fill-opacity: 0.15;
}

.map-dot {
    fill: var(--accent);
}

.map-dot-glow {
    fill: var(--accent);
    opacity: 0.12;
}

.map-arc {
    fill: none;
    stroke: var(--accent);
    stroke-width: 1.5;
    stroke-linecap: round;
}

/* ═══════════════════════════════════
   Scroll Reveal Animation
   ═══════════════════════════════════ */
/* IntersectionObserver in animations.js adds .visible; one-shot per element */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.carousel-card.scroll-reveal:nth-child(2) { transition-delay: 0.08s; }
.carousel-card.scroll-reveal:nth-child(3) { transition-delay: 0.16s; }
.carousel-card.scroll-reveal:nth-child(4) { transition-delay: 0.24s; }
.carousel-card.scroll-reveal:nth-child(5) { transition-delay: 0.32s; }
.carousel-card.scroll-reveal:nth-child(6) { transition-delay: 0.40s; }
.carousel-card.scroll-reveal:nth-child(7) { transition-delay: 0.48s; }

/* ═══════════════════════════════════
   Entrance Animations
   ═══════════════════════════════════ */
/* triggerFadeIns() in animations.js toggles .visible on page navigation.
   .fade-in.visible (specificity 0,2,0) includes transform and box-shadow in
   its transition so that hover effects on cards still animate correctly.
   Hover selectors on .fade-in elements need .visible to beat this specificity. */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s var(--ease-out), transform 0.35s var(--ease-spring), box-shadow 0.3s var(--ease-out);
}

.fade-in:nth-child(1) { transition-delay: 0s; }
.fade-in:nth-child(2) { transition-delay: 0.08s; }
.fade-in:nth-child(3) { transition-delay: 0.16s; }
.fade-in:nth-child(4) { transition-delay: 0.24s; }
.fade-in:nth-child(5) { transition-delay: 0.32s; }
.fade-in:nth-child(6) { transition-delay: 0.40s; }
.fade-in:nth-child(7) { transition-delay: 0.48s; }

/* ═══════════════════════════════════
   Responsive
   ═══════════════════════════════════ */
/* 768px+: two-column grids for projects and about */
@media (min-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr 1fr;
    }
    .about-layout {
        grid-template-columns: 1fr 1fr;
    }
}

/* 900px: primary mobile breakpoint — hamburger nav, carousel switches to
   native scroll-snap (transform: none !important kills JS pagination) */
@media (max-width: 900px) {
    .nav-center { display: none; }
    .menu-toggle { display: inline-flex; }
    .mobile-nav { display: flex; }

    .hero-tagline {
        font-size: clamp(2.2rem, 8vw, 3.5rem);
    }

    .page-container {
        padding: 0 16px;
    }

    .carousel-viewport {
        overflow: visible;
    }

    .carousel-track {
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        transform: none !important;  /* disable JS translateX pagination */
        transition: none;
        padding: 8px 16px 16px;
    }

    .carousel-card {
        flex: 0 0 280px;
        scroll-snap-align: center;
    }

    .carousel-section {
        padding: 0 0 60px;
    }

    .carousel-label {
        padding-left: 16px;
    }

    .inspire-section {
        padding: 20px 16px 80px;
    }

    .world-map-wrap {
        height: 320px;
        width: 130%;
        margin-left: -15%;
    }

    .map-overlay-svg {
        height: 320px;
        left: -15%;
        width: 130%;
    }

}

/* 600px: small phone — tighter spacing, stacked blog entries, full-bleed code blocks */
@media (max-width: 600px) {
    :root {
        --toolbar-h: 48px;
    }

    .sim-brand { display: none; }

    .hero {
        padding-top: 15vh;
    }

    .project-card {
        padding: 24px;
    }

    .blog-entry {
        flex-direction: column;
        gap: 4px;
    }

    .blog-date {
        min-width: unset;
    }

    .blog-post-title {
        font-size: 1.8rem;
    }

    /* Full-bleed code blocks: negative margin pulls them to viewport edge */
    .blog-content pre {
        margin-left: -16px;
        margin-right: -16px;
        border-radius: 0;
        border-left: none;
        border-right: none;
        padding: 16px;
    }
}