/* ========================================================================== Bill Langer Research Geologist LLC Modernized rebuild of researchgeologist.com ========================================================================== */ /* --------------------------------------------------------------- theming Colours are declared once as tokens here and overridden wholesale in the [data-theme="dark"] block below. Nothing outside these two blocks should hard-code a colour, so a new theme only ever touches this section. The inline script in each page's sets data-theme before first paint (stored choice -> system preference -> light), which is what keeps a dark-mode visitor from getting a white flash on load. -------------------------------------------------------------------- */ :root { color-scheme: light; --blue: #156287; /* links, card accents */ --blue-dark: #0f4a67; /* link hover */ --blue-light: #e7f1f6; /* tinted hover background */ --orange: #e59728; /* brand accent from the banner */ --btn-bg: #156287; --btn-fg: #ffffff; --heading: #3d3d3d; --ink: #1b1b1b; --ink-soft: #4a4a4a; --muted: #6d6d6d; --bg: #ececeb; /* page */ --surface: #ffffff; /* cards, panels, masthead */ --feature: #4c4c4c; /* the "Connect with me" card */ --feature-ink: #e5e5e5; --feature-dim: #a5a5a5; --feature-line: rgba(255, 255, 255, .15); --feature-edge: transparent; --bar: #3d3d3d; /* nav + footer */ --bar-ink: #e8e8e6; --rule: #dcdcd8; --card-edge: transparent; --banner-filter: none; --shadow-sm: 0 1px 2px rgba(0, 0, 0, .06), 0 1px 3px rgba(0, 0, 0, .07); --shadow-md: 0 2px 6px rgba(0, 0, 0, .07), 0 8px 24px rgba(0, 0, 0, .08); --radius: 10px; --radius-lg: 14px; --measure: 1160px; --sans: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif; } :root[data-theme="dark"] { color-scheme: dark; /* Lightened so they clear WCAG AA against the dark surfaces; the original #156287 is far too dark to read on a dark background. */ --blue: #74b8dc; --blue-dark: #9bcde8; --blue-light: #232c33; --orange: #efa93c; /* Light button fill needs dark text on it, the inverse of light mode. */ --btn-bg: #74b8dc; --btn-fg: #10171c; --heading: #edeff0; --ink: #e4e6e8; --ink-soft: #b7bbbf; --muted: #8d9399; --bg: #15171a; --surface: #1e2126; --feature: #272c31; /* lifted off --surface so the card still reads */ --feature-ink: #edeff0; --feature-dim: #9aa1a7; --feature-line: rgba(255, 255, 255, .13); --feature-edge: rgba(239, 169, 60, .28); --bar: #101216; --bar-ink: #dfe2e4; --rule: #32373d; --card-edge: #2a2f35; /* borders do the work shadows can't on dark */ /* The banner is a light gravel photo; at full brightness it glares against a dark page. Dimmed just enough to settle down, not so far that the black wordmark inside it stops reading. */ --banner-filter: brightness(.88) contrast(1.02); --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4); --shadow-md: 0 2px 8px rgba(0, 0, 0, .45), 0 12px 28px rgba(0, 0, 0, .35); } * { box-sizing: border-box; } html { scroll-behavior: smooth; scroll-padding-top: 90px; } body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.65; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; } img { max-width: 100%; height: auto; display: block; } a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 2px; } a:hover { color: var(--blue-dark); } h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; color: var(--heading); } h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); letter-spacing: -.015em; } h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); letter-spacing: -.01em; } h3 { font-size: 1.2rem; } p { margin: 0 0 1.1em; } p:last-child { margin-bottom: 0; } .wrap { width: min(100% - 2.5rem, var(--measure)); margin-inline: auto; } .visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; } /* --------------------------------------------------------------- masthead */ .masthead { background: var(--surface); padding: 1rem 0 .35rem; } .masthead .wrap { max-width: 976px; } .masthead__banner { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-sm); filter: var(--banner-filter); } .masthead h1 { margin: 0; } /* -------------------------------------------------------------------- nav */ .nav { position: sticky; top: 0; z-index: 50; background: var(--bar); box-shadow: 0 1px 0 rgba(255, 255, 255, .08) inset, var(--shadow-sm); } .nav .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem; } .nav a { display: block; padding: .85rem 1.15rem; color: var(--bar-ink); font-size: .84rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; text-decoration: none; border-bottom: 3px solid transparent; transition: color .15s ease, border-color .15s ease, background-color .15s ease; } .nav a:hover, .nav a:focus-visible { color: #fff; background: rgba(255, 255, 255, .07); } .nav a[aria-current="page"] { color: #fff; border-bottom-color: var(--orange); } .nav__spacer { margin-left: auto; } .nav__cta { color: var(--orange) !important; } /* ------------------------------------------------------------ theme toggle */ .theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; margin-left: .5rem; padding: 0; color: var(--bar-ink); background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14); border-radius: 50%; cursor: pointer; transition: background-color .15s ease, color .15s ease, border-color .15s ease; } .theme-toggle:hover { color: var(--orange); border-color: var(--orange); background: rgba(255, 255, 255, .12); } .theme-toggle:focus-visible { outline: 2px solid var(--orange); outline-offset: 2px; } .theme-toggle svg { width: 18px; height: 18px; display: block; } /* Show the icon for the theme you would switch *to*. */ .theme-toggle .icon-moon { display: block; } .theme-toggle .icon-sun { display: none; } :root[data-theme="dark"] .theme-toggle .icon-moon { display: none; } :root[data-theme="dark"] .theme-toggle .icon-sun { display: block; } /* ------------------------------------------------------------------- page */ main { padding: 2.75rem 0 3.5rem; } .lede { font-size: 1.12rem; color: var(--ink-soft); max-width: 68ch; } .page-head { margin-bottom: 2.25rem; } .page-head h1 { margin-bottom: .5rem; } .page-head::after { content: ""; display: block; width: 68px; height: 4px; margin-top: 1.1rem; background: var(--orange); border-radius: 2px; } /* ------------------------------------------------------------------- hero */ .hero { display: grid; grid-template-columns: 1.35fr 1fr; gap: 1.75rem; align-items: stretch; margin-bottom: 3rem; } .hero__photo { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); background: var(--surface); border: 1px solid var(--card-edge); } .hero__photo img { width: 100%; } .hero__photo figcaption { padding: .85rem 1.15rem; font-size: .9rem; color: var(--muted); background: var(--surface); } .card-dark { background: var(--feature); color: var(--feature-ink); border: 1px solid var(--feature-edge); border-radius: var(--radius-lg); padding: 1.85rem; box-shadow: var(--shadow-md); display: flex; flex-direction: column; gap: 1.1rem; } .card-dark h2 { color: #fff; font-size: 1.5rem; margin: 0; } .card-dark__tagline { margin: 0; color: var(--feature-dim); font-size: .95rem; letter-spacing: .04em; text-transform: uppercase; line-height: 1.5; } .card-dark dl { margin: 0; display: grid; gap: .9rem; } .card-dark dt { font-size: .74rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--feature-dim); } .card-dark dd { margin: .15rem 0 0; font-size: 1.05rem; } .card-dark a { color: #fff; text-decoration-color: rgba(255, 255, 255, .45); } .card-dark a:hover { color: var(--orange); } .card-dark__note { margin: auto 0 0; padding-top: 1.1rem; border-top: 1px solid var(--feature-line); font-weight: 700; color: #fff; } /* ---------------------------------------------------------------- section */ .section { margin-bottom: 3rem; } .section:last-child { margin-bottom: 0; } .section__title { display: flex; align-items: center; gap: .9rem; margin: 0 0 1.4rem; font-size: 1.45rem; color: var(--heading); } .section__title::after { content: ""; flex: 1; height: 1px; background: var(--rule); } .panel { background: var(--surface); border: 1px solid var(--card-edge); border-radius: var(--radius-lg); padding: 1.85rem; box-shadow: var(--shadow-sm); } .two-col { columns: 2; column-gap: 2.5rem; } .two-col p { break-inside: avoid; } /* ------------------------------------------------------------------ cards */ .grid { display: grid; gap: 1.25rem; } .grid--3 { grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); } .grid--2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); } .card { background: var(--surface); border: 1px solid var(--card-edge); border-radius: var(--radius-lg); padding: 1.6rem; box-shadow: var(--shadow-sm); border-top: 4px solid var(--blue); display: flex; flex-direction: column; transition: transform .18s ease, box-shadow .18s ease; } .card h3 { color: var(--blue); margin-bottom: .75rem; } .card p, .card ul { font-size: .97rem; } .card > :last-child { margin-bottom: 0; } .card--link:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); } .more { align-self: flex-start; margin-top: 1.25rem; padding: .5rem 1.1rem; font-size: .82rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; text-decoration: none; color: var(--btn-fg); background: var(--btn-bg); border-radius: 999px; transition: background-color .15s ease; } .more:hover { background: var(--blue-dark); color: var(--btn-fg); } .more::after { content: " →"; } /* --------------------------------------------------- expertise index links */ .linklist { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; } .linklist a { display: flex; align-items: center; gap: .75rem; padding: .8rem 1.1rem; background: var(--surface); border: 1px solid var(--card-edge); border-left: 4px solid var(--orange); border-radius: 6px; font-weight: 600; text-decoration: none; box-shadow: var(--shadow-sm); transition: transform .15s ease, background-color .15s ease; } .linklist a::after { content: "→"; margin-left: auto; color: var(--muted); } .linklist a:hover { transform: translateX(3px); background: var(--blue-light); } /* --------------------------------------------------------------- timeline */ .timeline { list-style: none; margin: 0; padding: 0 0 0 1.75rem; border-left: 2px solid var(--rule); } .timeline > li { position: relative; margin-bottom: 1.75rem; } .timeline > li:last-child { margin-bottom: 0; } .timeline > li::before { content: ""; position: absolute; left: calc(-1.75rem - 7px); top: .5rem; width: 12px; height: 12px; background: var(--surface); border: 3px solid var(--blue); border-radius: 50%; } .timeline .role { font-weight: 700; color: var(--heading); display: block; } .timeline .dates { display: block; font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--orange); margin-bottom: .3rem; } .timeline p { margin: .25rem 0 0; font-size: .97rem; color: var(--ink-soft); } .timeline .sub { list-style: none; margin: 1rem 0 0; padding: 0 0 0 1.1rem; border-left: 2px dotted var(--rule); } .timeline .sub > li { margin-bottom: 1.1rem; } .timeline .sub > li:last-child { margin-bottom: 0; } /* ------------------------------------------------------------------ lists */ .bullets { margin: 0; padding-left: 1.15rem; } .bullets li { margin-bottom: .5rem; } .bullets li:last-child { margin-bottom: 0; } .bullets li::marker { color: var(--orange); } .creds { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.4rem; } .creds strong { display: block; color: var(--heading); } .creds p { margin: .25rem 0 0; font-size: .97rem; color: var(--ink-soft); } .refs { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; font-size: .93rem; } .refs li { padding-left: 1rem; border-left: 3px solid var(--rule); color: var(--ink-soft); line-height: 1.55; } .refs cite { font-style: italic; } .venues { display: grid; gap: .8rem; margin: 0; } .venues dt { font-weight: 700; color: var(--blue); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; } .venues dd { margin: .15rem 0 0; font-size: .95rem; color: var(--ink-soft); } /* ------------------------------------------------------------ publication */ .pub { display: grid; grid-template-columns: auto 1fr; gap: 1.6rem; align-items: center; } .pub img { box-shadow: var(--shadow-md); border-radius: 4px; width: 130px; } .pub h3 { margin-bottom: .4rem; } /* --------------------------------------------------------------- contact */ .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.75rem; align-items: start; } .contact-card { display: grid; gap: 1.4rem; } .contact-card .row { display: flex; align-items: baseline; gap: 1rem; } .contact-card .label { min-width: 76px; font-size: .74rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--feature-dim); } .contact-card .value { font-size: 1.15rem; } /* ------------------------------------------------------------------ media */ figure.inline-figure { margin: 0 0 1.25rem; } figure.inline-figure img { border-radius: var(--radius); box-shadow: var(--shadow-sm); width: 100%; } figure.inline-figure figcaption { margin-top: .55rem; font-size: .88rem; color: var(--muted); } /* ----------------------------------------------------------------- footer */ .footer { background: var(--bar); color: #c8c8c6; padding: 2.5rem 0 2rem; font-size: .93rem; } .footer a { color: #fff; } .footer a:hover { color: var(--orange); } .footer__grid { display: flex; flex-wrap: wrap; gap: 2rem 3rem; justify-content: space-between; } .footer strong { color: #fff; display: block; margin-bottom: .35rem; font-size: 1rem; } .footer__nav { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 1.25rem; } .footer__nav a { text-decoration: none; } .footer__nav a:hover { text-decoration: underline; } .footer__legal { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid rgba(255, 255, 255, .13); font-size: .84rem; color: #9a9a98; } /* ------------------------------------------------------------ responsive */ @media (max-width: 900px) { .hero { grid-template-columns: 1fr; } .contact-grid { grid-template-columns: 1fr; } .two-col { columns: 1; } } @media (max-width: 620px) { body { font-size: 16px; } .nav .wrap { gap: 0; } .nav a { padding: .7rem .8rem; font-size: .74rem; letter-spacing: .06em; } .nav__spacer { margin-left: auto; } .panel, .card-dark { padding: 1.35rem; } .pub { grid-template-columns: 1fr; justify-items: start; } .theme-toggle { width: 34px; height: 34px; margin-left: .35rem; } } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } } @media print { .nav, .footer, .more, .theme-toggle { display: none; } body { background: #fff; font-size: 11pt; } .panel, .card { box-shadow: none; border: 1px solid var(--rule); } }