/* ---------------------------------------------------------------- Jeff Hung — Timeline Warm editorial aesthetic (Anthropic-inspired palette). No build step, no dependencies — plain HTML/CSS/JS. ------------------------------------------------------------------- */ :root { /* Surfaces */ --canvas: #faf9f5; --surface: #f0eee6; --surface-2: #ffffff; /* Text */ --ink: #141413; --ink-soft: #3d3a34; --muted: #81796f; /* Accent — terracotta */ --accent: #d97757; --accent-deep: #8e3f2f; /* Borders */ --border: #d8d0c3; --border-soft: #e7e0d6; /* Category accents */ --cat-education: #5b7c99; --cat-research: #7a6ca8; --cat-engineering: #c0683f; --cat-internship: #6a9a73; --cat-opensource: #b0843a; --cat-speaking: #b05a7a; --font-serif: Georgia, "Times New Roman", serif; --font-sans: Arial, "Helvetica Neue", Helvetica, sans-serif; --glow: #f6efe6; /* hero background glow */ --shadow: 20, 20, 19; /* rgb for card shadows */ --line-x: 24px; /* mobile timeline rail position */ } /* ---------------- Dark theme ---------------- Applied when . A no-FOUC script in sets this from localStorage or the OS preference before first paint. */ [data-theme="dark"] { --canvas: #1a1714; --surface: #221e19; --surface-2: #272320; --ink: #ece7de; --ink-soft: #cabfb0; --muted: #9a8f80; --accent: #e08a6a; --accent-deep: #eca585; /* lighter so links/code read on dark */ --border: #3a352e; --border-soft: #2d2823; --cat-education: #7da6c4; --cat-research: #a394d4; --cat-engineering: #e0895f; --cat-internship: #8fc09a; --cat-opensource: #d4ab5e; --cat-speaking: #d683a4; --glow: #2a231c; --shadow: 0, 0, 0; } * { box-sizing: border-box; } html { scroll-behavior: smooth; } body { margin: 0; background: radial-gradient(900px 500px at 80% -10%, var(--glow) 0%, transparent 60%), var(--canvas); color: var(--ink); font-family: var(--font-serif); font-size: 17px; line-height: 1.65; -webkit-font-smoothing: antialiased; transition: background-color 0.3s ease, color 0.3s ease; } .wrap { width: min(1080px, 92vw); margin-inline: auto; } code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; font-size: 0.85em; background: var(--surface); border: 1px solid var(--border-soft); padding: 0.08em 0.4em; border-radius: 6px; color: var(--accent-deep); } a { color: var(--accent-deep); text-decoration-color: var(--border); text-underline-offset: 3px; } a:hover { color: var(--accent); } /* ---------------- Header ---------------- */ .site-header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--canvas) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border-soft); } .header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; } .brand { font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; text-decoration: none; color: var(--ink); } .brand-accent { color: var(--accent); } .nav { display: flex; align-items: center; gap: 1.25rem; font-family: var(--font-sans); font-size: 0.92rem; } .nav a { text-decoration: none; color: var(--ink-soft); white-space: nowrap; } .nav a:hover { color: var(--accent); } /* On small screens the text links would push the theme toggle off-screen, so collapse them (they're still available in the footer). */ @media (max-width: 560px) { .header-inner { gap: 0.75rem; } .nav { gap: 0.85rem; } .nav a { display: none; } } /* Theme toggle */ .theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; flex-shrink: 0; padding: 0; border: 1px solid var(--border); border-radius: 50%; background: var(--surface-2); color: var(--ink-soft); cursor: pointer; transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease; } .theme-toggle:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); } .theme-toggle svg { width: 18px; height: 18px; display: block; } /* show the right icon per theme */ .theme-toggle .icon-moon { display: none; } .theme-toggle .icon-sun { display: block; } [data-theme="dark"] .theme-toggle .icon-moon { display: block; } [data-theme="dark"] .theme-toggle .icon-sun { display: none; } /* ---------------- Hero ---------------- */ .hero { padding: clamp(3rem, 9vw, 6.5rem) 0 clamp(2rem, 5vw, 3.5rem); } .eyebrow { font-family: var(--font-sans); text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.78rem; color: var(--muted); margin: 0 0 0.9rem; } .hero-title { font-size: clamp(2.4rem, 6vw, 4.2rem); line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 1.1rem; font-weight: 700; } .hero-title .muted { color: var(--muted); font-weight: 400; } .hero-title code { font-size: 0.55em; vertical-align: middle; } .hero-lede { max-width: 60ch; color: var(--ink-soft); font-size: clamp(1.05rem, 2.4vw, 1.28rem); margin: 0 0 1.8rem; } .hero-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; } .chip { font-family: var(--font-sans); font-size: 0.82rem; background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; padding: 0.35rem 0.85rem; color: var(--ink-soft); } /* ---------------- Timeline shell ---------------- */ .timeline-section { padding: clamp(1rem, 4vw, 2.5rem) 0 5rem; } .timeline-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 2.5rem; flex-wrap: wrap; } .timeline-head h2 { font-size: clamp(1.6rem, 4vw, 2.3rem); margin: 0; letter-spacing: -0.01em; } .order-toggle { font-family: var(--font-sans); display: inline-flex; align-items: center; gap: 0.55rem; background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; padding: 0.5rem 1rem; font-size: 0.88rem; color: var(--ink-soft); cursor: pointer; transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease; } .order-toggle:hover { border-color: var(--accent); color: var(--accent-deep); transform: translateY(-1px); } .order-toggle .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); } /* ---------------- Filter chips ---------------- */ .filters { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-bottom: 2.4rem; } .filter-chip { font-family: var(--font-sans); font-size: 0.84rem; background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; padding: 0.4rem 0.95rem; color: var(--ink-soft); cursor: pointer; transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease, transform 0.2s ease; } .filter-chip:hover { transform: translateY(-1px); border-color: var(--cat, var(--accent)); color: var(--cat, var(--accent-deep)); } .filter-chip.is-active { color: var(--cat, var(--accent-deep)); border-color: var(--cat, var(--accent)); background: color-mix(in srgb, var(--cat, var(--accent)) 14%, var(--surface-2)); font-weight: 700; } /* ---------------- Timeline list ---------------- */ .timeline { list-style: none; margin: 0; padding: 0; position: relative; } /* the vertical rail */ .timeline::before { content: ""; position: absolute; top: 6px; bottom: 6px; left: var(--line-x); width: 2px; background: linear-gradient(var(--accent) 0%, var(--border) 12%, var(--border) 88%, transparent 100%); } .entry { position: relative; padding-left: calc(var(--line-x) + 32px); margin-bottom: 2.4rem; opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; } .entry.is-visible { opacity: 1; transform: none; } /* node dot */ .entry::before { content: ""; position: absolute; left: calc(var(--line-x) - 6px); top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--canvas); border: 3px solid var(--cat, var(--accent)); box-shadow: 0 0 0 4px color-mix(in srgb, var(--cat, var(--accent)) 14%, transparent); z-index: 2; } .entry-date { font-family: var(--font-sans); font-size: 0.82rem; font-weight: 700; letter-spacing: 0.04em; color: var(--muted); margin-bottom: 0.5rem; display: block; } .card { background: var(--surface-2); border: 1px solid var(--border); border-left: 4px solid var(--cat, var(--accent)); border-radius: 14px; padding: 1.25rem 1.4rem; box-shadow: 0 1px 0 rgba(var(--shadow), 0.02), 0 12px 28px -22px rgba(var(--shadow), 0.5); transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.3s ease, border-color 0.3s ease; } .card:hover { transform: translateY(-3px); box-shadow: 0 18px 38px -24px rgba(var(--shadow), 0.6); } .card-top { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 0.5rem; } .badge { font-family: var(--font-sans); font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; padding: 0.22rem 0.6rem; border-radius: 999px; color: var(--cat, var(--accent-deep)); background: color-mix(in srgb, var(--cat, var(--accent)) 12%, var(--surface-2)); border: 1px solid color-mix(in srgb, var(--cat, var(--accent)) 35%, transparent); } .card h3 { margin: 0; font-size: 1.2rem; line-height: 1.3; letter-spacing: -0.01em; } .card h3 a { text-decoration: none; } .org { color: var(--muted); font-style: italic; } .card p { margin: 0.55rem 0 0; color: var(--ink-soft); font-size: 0.98rem; } .sources { margin-top: 0.85rem; display: flex; flex-wrap: wrap; gap: 0.5rem; } .source-link { font-family: var(--font-sans); font-size: 0.78rem; text-decoration: none; color: var(--ink-soft); background: var(--surface); border: 1px solid var(--border-soft); border-radius: 8px; padding: 0.25rem 0.6rem; transition: border-color 0.2s ease, color 0.2s ease; } .source-link:hover { border-color: var(--accent); color: var(--accent-deep); } .source-link::before { content: "↗ "; color: var(--accent); } /* ---------------- Desktop: alternating layout ---------------- */ @media (min-width: 860px) { :root { --line-x: 50%; } .timeline::before { transform: translateX(-1px); } .entry { width: 50%; padding-left: 0; padding-right: 48px; margin-left: 0; } .entry::before { left: auto; right: -7px; } .entry .entry-date { text-align: right; } .entry.right { margin-left: 50%; padding-right: 0; padding-left: 48px; } .entry.right::before { left: -7px; right: auto; } .entry.right .entry-date { text-align: left; } } /* ---------------- Footer ---------------- */ .site-footer { border-top: 1px solid var(--border-soft); background: var(--surface); } .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: 2rem 0; font-size: 0.92rem; color: var(--muted); } .footer-links { display: flex; gap: 1.1rem; font-family: var(--font-sans); font-size: 0.88rem; } .footer-links a { text-decoration: none; } /* ---------------- Reduced motion ---------------- */ @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; } .entry { opacity: 1; transform: none; } }