:root {
  color-scheme: light;
  --bg: #fafaf8;
  --quote-mark: #9c7a22; /* mustard: warm complement to the lavender and sage */
  --surface: #ffffff;
  --surface-2: #f2f2ee;
  --bubble: #efeee9;       /* assistant bubbles (no outline, so a tinted fill in light mode) */
  --bubble-hover: #e5e4de;
  --tag-bg: #dcdad3;       /* tags: clearly darker than the light bubbles */
  --tag-bg-page: #efeee9;  /* tags on the white case-study page: lighter */
  --tag-ink: #3d3d45;
  --text: #17171a;
  --text-2: #5d5d66;
  --border: #e6e6e1;
  --accent: #4f46e5;
  --accent-ink: #ffffff;
  --user-bubble: #b8e5b8; /* light mode: soft green visitor bubbles with black text */
  --user-ink: #111113;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.06);
  --radius: 16px;
  --max: 760px;
  --divider: color-mix(in srgb, var(--text-2) 30%, transparent); /* dividers inside assistant bubbles (intro + project list) */
  --wide-bubble: 600px; /* intro bubble + project list */
  --cat: #c4b5fd; /* lavender: assistant dot, visitor bubbles, send button */
  --outline: #8a8a92;    /* hover/focus outlines: lightest gray that keeps 3:1 contrast on the light page */
  --spoken: #7c5cdb;     /* word being read aloud (deeper lavender to stay readable on light bubbles) */
}

/* Dark is the default theme (data-theme on <html>); the header toggle switches it */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111113;
  --quote-mark: #b89a52; /* muted mustard for dark mode */
  --surface: #1a1a1d;
  --surface-2: #232327;
  --bubble: #1c1c20;
  --bubble-hover: #26262b;
  --tag-bg: #33333b;       /* tags: clearly lighter than the dark bubbles */
  --tag-bg-page: var(--tag-bg);
  --tag-ink: #d6d6dc;
  --outline: var(--text-2);
  --spoken: var(--cat);
  --text: #f2f2f0;
  --text-2: #a0a0a8;
  --border: #2c2c31;
  --accent: #8b85ff;
  --accent-ink: #111113;
  --user-bubble: #2f5a34; /* dark mode: deep green, same hue as the light-mode #b8e5b8 */
  --user-ink: #e8f6e8;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
/* The page itself never scrolls — only the chat area does. The body is pinned
   to the visible screen (sized/positioned by fitViewport in app.js), so phone
   browsers have nothing to scroll except the chat, even with the keyboard open. */
html, body { height: 100%; margin: 0; overflow: hidden; overscroll-behavior: none; }
body { position: fixed; left: 0; right: 0; top: var(--app-top, 0px); }
body {
  height: var(--app-h, 100dvh); /* the visible screen height, kept in sync by fitViewport */
  font-family: "Nunito Sans", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
button { font: inherit; color: inherit; cursor: pointer; }

/* ── Top bar ───────────────────────────── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  background: var(--bg); /* no bottom line — a fade below it instead, like the input area */
  position: sticky; top: 0; z-index: 5;
}
/* Soft fade where the chat scrolls up under the header (mirrors .composer::before) */
.topbar::after {
  content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 24px;
  background: linear-gradient(to bottom, var(--bg), transparent);
  pointer-events: none;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; }
.brand__text { display: flex; flex-direction: column; gap: 2px; line-height: 1.25; }
.brand__text strong { font-size: 15px; }
.status { font-size: 12px; color: var(--text-2); display: block; }
.brand, .brand__text { min-width: 0; }
.status { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 480px) {
  .status { white-space: normal; line-height: 1.3; } /* wrap rather than cut off on phones */
  .brand { gap: 8px; }
  .topbar__links .btn--ghost { padding: 8px 12px; }
}
.topbar__links { display: flex; align-items: center; gap: 20px; font-size: 14px; }
.topbar__links a { color: var(--text-2); text-decoration: none; }
.topbar__links a:hover { color: var(--text); }
.topbar__links { gap: 10px; }
.topbar__links .topbar__contact { color: var(--text); height: 36px; padding: 0 14px; }
.theme-toggle {
  width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-2);
  transition: color .15s, border-color .15s;
}
.theme-toggle:hover { color: var(--text); border-color: var(--outline); } /* gray outline (3:1+ contrast in both modes) */
.theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }

.avatar {
  flex: none;
  width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 600;
  background: var(--accent); color: var(--accent-ink);
}
.avatar--sm { width: 36px; height: 36px; }
/* ── Assistant dot ─────────────────────── */
.avatar--bot { background: none; overflow: visible; border-radius: 0; }
.bot-dot {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--cat);
  position: relative; z-index: 2;
  will-change: transform; /* glides to the line being read — animated in JS (glideDot), GPU-smooth on phones */
}
.avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; display: block; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface);
  text-decoration: none; font-size: 14px; font-weight: 500;
}
.topbar__links .btn--ghost { color: var(--text); }
.btn--sm { padding: 6px 12px; font-size: 13px; color: var(--text); }
.btn:hover { border-color: var(--text-2); }
.topbar__links .btn:hover { border-color: var(--outline); } /* gray outline on Contact (3:1+ contrast) */
.btn--accent { background: var(--cat); color: #2E2266; border-color: transparent; } /* lavender with dark-purple text, like the send button */
.btn--accent:hover { border-color: transparent; filter: brightness(1.08); }

/* ── Chat thread ───────────────────────── */
.chat { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; scroll-behavior: smooth; position: relative; z-index: 1; }

/* ── Spoken-word highlight (see buildSpeech() in app.js) ── */
.w.is-spoken { color: var(--spoken); } /* the word being read turns lavender */
.w { transition: color .12s ease; }

.chat__inner {
  max-width: var(--max); margin: 0 auto;
  padding: 32px 16px 28px; /* bottom room so the last item clears the fade above the input */
  display: flex; flex-direction: column; gap: 18px;
}
.msg { display: flex; gap: 10px; animation: rise .35s ease both; }
.msg--user { justify-content: flex-end; margin-top: -10px; } /* 8px above (18px thread gap − 10px), 18px below */
.msg__body { display: flex; flex-direction: column; gap: 10px; min-width: 0; flex: 1; }
.bubble {
  max-width: 560px; width: fit-content;
  padding: 12px 16px; border-radius: var(--radius);
  background: var(--bubble); border: 1px solid transparent; /* no outline on assistant bubbles */
  font-size: 15px; line-height: 1.55;
}
/* Only the first bubble of each reply (beside the lavender dot) gets the small "tail" corner */
.msg--bot .msg__body > :first-child,
.msg--bot .msg__body > .reply-img:first-child img { border-top-left-radius: 6px; }
.bubble p { margin: 0; }
.bubble__list { margin: 8px 0 0; padding-left: 20px; } /* bulleted list inside a reply (fun facts) */
.bubble__list li + li { margin-top: 4px; }
.bubble__list { list-style-type: "+  "; } /* plus-sign bullets */
.bubble--about p + p { margin-top: 10px; }
.about__img { display: block; width: 100%; height: auto; margin-top: 14px; border-radius: 12px; } /* photo at the end of the About bubble */
.bubble--wide { width: 100%; max-width: var(--wide-bubble); } /* full-width reply bubble */
.bubble--media { padding: 0; overflow: hidden; border: 0; border-radius: var(--radius); } /* a bubble that holds just an image, edge to edge, all corners equal */
.bubble--media .bubble__img { margin-top: 0; border-radius: 0; }
.bubble__img { display: block; width: 100%; height: auto; margin-top: 14px; border-radius: 12px; }
/* Magnifying-glass button: appears over an image's top-right corner on hover (app.js) */
.zoom-btn {
  position: fixed; z-index: 45;
  width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: opacity .15s, border-color .15s, transform .15s;
}
.zoom-btn.is-visible { opacity: 1; pointer-events: auto; }
.zoom-btn:hover { border-color: var(--outline); transform: scale(1.06); }
@media (hover: none) { .zoom-btn { display: none; } } /* no zoom on phones and tablets */
.lightbox {
  position: fixed; inset: 0; z-index: 40;
  background: color-mix(in srgb, #000 82%, transparent);
  visibility: hidden; opacity: 0; transition: opacity .2s, visibility 0s linear .2s; /* hidden so it can't swallow taps when closed */
}
.lightbox.is-open { visibility: visible; opacity: 1; transition: opacity .2s; }
.lightbox__scroll { position: absolute; inset: 0; overflow: auto; display: grid; place-items: center; padding: 56px 16px 24px; overscroll-behavior: contain; }
.lightbox__scroll img { display: block; max-width: 100%; max-height: calc(100vh - 80px); max-height: calc(100dvh - 80px); width: auto; height: auto; border-radius: 10px; } /* full quality, shrunk to fit the screen, never stretched past its real size */
.lightbox__close {
  position: absolute; top: 12px; right: 12px; z-index: 1;
  width: 40px; height: 40px; border-radius: 50%; border: 0;
  background: rgba(255,255,255,.92); color: #17171a; font-size: 16px;
}
/* Phones: show the image wider than the screen so labels are readable; swipe to pan */
@media (max-width: 600px) {
  .lightbox__scroll { place-items: start; }
  .lightbox__scroll img { max-width: none; max-height: none; width: 1200px; }
}
.bubble--intro { padding: 18px 20px; width: 100%; max-width: var(--wide-bubble); }
.intro__title { margin: 0 0 6px; font-size: 17px; line-height: 1.2; font-weight: 600; }
/* Keep each phrase together so a wrap breaks after the comma */
.intro__title .nowrap { white-space: nowrap; }
.intro__sub { margin: 0 0 12px !important; font-size: 15px; line-height: 1.55; color: var(--text); }
.intro__text { color: var(--text); font-size: 15px; } /* reads like a regular reply: no divider, default color */
.msg--user .bubble {
  background: var(--user-bubble); color: var(--user-ink); border-color: transparent;
  border-top-left-radius: var(--radius); border-top-right-radius: 6px;
}
.linkrow { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }

@keyframes rise { from { opacity: 0; transform: translateY(6px); } }

/* Streaming reveal (see reveal() in app.js) */
/* Each word sharpens fast, so only the newest word or two at the leading edge
   is soft — everything already typed is crisp */
.is-revealing .w {
  opacity: 0; filter: blur(3px);
  transition: opacity .18s ease-out, filter .12s ease-out;
}
.is-revealing .bubble[data-at] { animation: pop .4s cubic-bezier(.2,.8,.2,1) both; transform-origin: top left; }
.is-revealing .reveal-block {
  opacity: 0; transform: translateY(10px);
  transition: opacity .5s ease, transform .5s cubic-bezier(.2,.8,.2,1);
}
.is-revealed .w { opacity: 1; filter: none; }
.is-revealed .reveal-block { opacity: 1; transform: none; }
@keyframes pop { from { opacity: 0; transform: scale(.97) translateY(4px); } }

/* Typing dots fade in rather than appearing abruptly */
.typing { animation: pop .3s ease both; }

/* typing indicator */
.typing { display: flex; gap: 4px; padding: 16px 18px; }
.typing span {
  width: 6px; height: 6px; border-radius: 50%; background: var(--text-2);
  animation: blink 1.2s infinite ease-in-out;
}
.typing span:nth-child(2) { animation-delay: .15s; }
.typing span:nth-child(3) { animation-delay: .3s; }
@keyframes blink { 0%, 80%, 100% { opacity: .25; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }

/* ── Audio ─────────────────────────────── */
.speak {
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: -4px; padding: 4px 10px 4px 8px;
  border: 1px solid transparent; border-radius: 999px; background: none;
  font-size: 12px; color: var(--text-2);
  transition: color .15s, background .15s;
}
.speak:hover { color: var(--text); background: var(--surface-2); }
.speak.is-playing { color: var(--spoken); background: color-mix(in srgb, var(--cat) 14%, transparent); } /* lavender "Stop" + bars */
.speak__icon { display: grid; place-items: center; width: 16px; height: 16px; }
.speak__bars { display: none; align-items: center; gap: 2px; height: 12px; }
.speak__bars i { width: 2px; height: 100%; border-radius: 1px; background: currentColor; transform: scaleY(.3); transition: transform .1s ease-out; } /* heights set per spoken word (pulseBars in app.js) */
.speak.is-playing svg { display: none; }
.speak.is-playing .speak__bars { display: flex; }

/* ── Experience timeline ───────────────── */
.timeline {
  max-width: 560px;
  padding: 16px 18px 6px;
  background: var(--bubble); border-radius: var(--radius);
}
.timeline__head { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--text-2); margin-bottom: 14px; }
.timeline ol { list-style: none; margin: 0; padding: 0; }
.tl { position: relative; padding: 0 0 18px 26px; }
.tl::before {
  content: ""; position: absolute; left: 5px; top: 14px; bottom: -2px;
  width: 2px; background: var(--border);
}
.tl:last-child::before { display: none; }
.tl__dot {
  position: absolute; left: 0; top: 3px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--surface); border: 2px solid var(--text-2);
}
.tl--current .tl__dot { background: var(--cat); border-color: var(--cat); box-shadow: 0 0 0 4px color-mix(in srgb, var(--cat) 25%, transparent); } /* lavender current-role dot */
.tl__dates { font-size: 12px; color: var(--text-2); font-variant-numeric: tabular-nums; margin-bottom: 4px; }
.tl--current .tl__dates { color: var(--spoken); font-weight: 500; } /* lavender "2026 – Present" */
.tl__role { font-size: 14.5px; margin: 0 0 2px; }
.tl__tags { margin-top: 8px; }
.tl__summary { margin: 0; font-size: 13px; line-height: 1.5; color: var(--text-2); }

/* ── Project list ──────────────────────── */
/* All projects sit in one assistant bubble; each row is text + tags */
.cards {
  display: flex; flex-direction: column;
  width: 100%; max-width: var(--wide-bubble); padding: 6px; /* same width as the intro bubble */
  background: var(--bubble);
  border-radius: var(--radius); /* all four corners match */
}
.card {
  position: relative;
  display: flex; align-items: center; gap: 16px; /* buttons center content by default; this lays it out as a row */
  width: 100%; text-align: left; padding: 14px 14px; border: 0; border-radius: 12px;
  background: transparent;
  transition: background .2s ease, opacity .25s ease, filter .25s ease;
}
.card + .card::before {
  content: ""; position: absolute; left: 14px; right: 14px; top: 0;
  border-top: 1px solid var(--divider); /* line separator between projects */
}
.card:hover { background: var(--bubble-hover); }
.card:hover::before, .card:hover + .card::before { opacity: 0; }
.cs__hero img { width: 100%; height: auto; display: block; } /* full image, natural proportions, no cropping */
.card__body { flex: 1; min-width: 0; }
.card__meta { font-size: 12px; color: var(--text-2); }
.card__title { font-weight: 600; font-size: 16px; margin: 4px 0 8px; }


.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags--lg { margin-top: 2px; }
.tag {
  font-size: 11.5px; padding: 3px 8px; border-radius: 999px;
  background: var(--tag-bg); color: var(--tag-ink); /* stands out from the bubble behind it */
  border: 1px solid transparent;
}
.tag--btn { font-size: 13px; padding: 6px 12px; }
.tag--btn:hover { border-color: var(--border); color: var(--text); }

/* ── Composer ──────────────────────────── */
.composer {
  position: relative; z-index: 1; /* no background or top line — sits on the page */
  padding: 12px 16px calc(20px + env(safe-area-inset-bottom));
}
/* Soft fade where the chat scrolls behind the input area, instead of a hard edge */
.composer::before {
  content: ""; position: absolute; left: 0; right: 0; bottom: 100%; height: 24px;
  background: linear-gradient(to top, var(--bg), transparent);
  pointer-events: none;
}
.composer__inner { max-width: var(--max); margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.suggestions {
  display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none;
  min-height: 36px; padding-bottom: 2px;
}
.suggestions::-webkit-scrollbar { display: none; }
.chip {
  flex: none; white-space: nowrap;
  padding: 8px 14px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border);
  font-size: 13.5px;
  animation: rise .3s ease both;
  transition: border-color .15s, background .15s;
}
.chip:hover { border-color: var(--outline); } /* gray outline (3:1+ contrast in both modes) */
.bubble .chip { line-height: normal; } /* "Yes, show me" in a reply: same height as the suggestion chips */
.chip--empty { color: var(--text-2); cursor: default; border-style: dashed; }
.chip--empty:hover { border-color: var(--border); }

.inputbar {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 6px 6px 18px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 999px; box-shadow: var(--shadow);
  transition: border-color .15s;
}
.inputbar:hover, .inputbar:focus-within { border-color: var(--outline); } /* gray outline (3:1+ contrast in both modes) */
.inputbar input {
  flex: 1; min-width: 0; border: 0; outline: 0; background: transparent;
  font: inherit; font-size: 15px; color: var(--text); padding: 8px 0;
}
.inputbar input::placeholder { color: var(--text-2); }
.send {
  width: 32px; height: 32px; border-radius: 50%; border: 0;
  background: none; color: var(--text-2); /* no fill: just a dark gray arrow */
  display: grid; place-items: center;
}
.send:hover { filter: brightness(1.08); }

/* Image shown inside a reply (e.g. healthcare work) — same width as the wide bubbles */
.reply-img { margin: 0; width: 100%; max-width: var(--wide-bubble); }
.reply-img img { width: 100%; height: auto; display: block; border-radius: var(--radius); }

/* ── Testimonials ──────────────────────── */
.quotes { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); width: 100%; max-width: var(--wide-bubble); } /* no wider than the widest chat bubble */
.quote-item { display: flex; flex-direction: column; gap: 6px; }
.quote-item .speak { margin-top: 0; }
.quote {
  flex: 1;
  margin: 0; padding: 20px 20px 18px;
  display: flex; flex-direction: column; gap: 12px;
  background: var(--bubble); border-radius: 16px; /* same fill as assistant bubbles */
}
.quote__mark { color: var(--quote-mark); /* mustard, 3:1+ on the cards in both modes */ font: 700 48px/38.7px Georgia, "Times New Roman", serif; height: 16.5px; margin: 3px 0 7.2px; } /* box hugs the mark's ink; + 12px gap + text's line spacing = 24px visible gap below */
.quote blockquote { margin: 0; font-size: 15px; line-height: 1.4; flex: 1; }
.quote figcaption { display: flex; align-items: center; gap: 10px; margin-top: 4px; }
.quote figcaption img { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; flex: none; }
.quote figcaption > span { display: flex; flex-direction: column; line-height: 1.3; }
.quote figcaption strong { font-size: 14px; font-weight: 600; }
.quote figcaption > span > span { font-size: 13px; color: var(--text-2); }

/* ── Resume file card ──────────────────── */
.file {
  width: min(320px, 100%);
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  overflow: hidden;
}
.file__preview {
  position: relative; display: block; width: 100%; padding: 0; border: 0;
  background: #fff; aspect-ratio: 8.5 / 7; overflow: hidden; cursor: zoom-in;
  border-bottom: 1px solid var(--border);
}
.file__preview img { width: 100%; display: block; transition: transform .35s ease; }
.file__preview:hover img { transform: scale(1.03); }
.file__zoom {
  position: absolute; right: 10px; bottom: 10px;
  padding: 5px 10px; border-radius: 999px;
  background: rgba(17,17,19,.78); color: #fff; font-size: 12px; font-weight: 500;
  opacity: 0; transform: translateY(4px); transition: opacity .2s, transform .2s;
}
.file__preview:hover .file__zoom, .file__preview:focus-visible .file__zoom { opacity: 1; transform: none; }
.file__row { display: flex; align-items: center; gap: 10px; padding: 12px 14px 4px; }
.file__icon {
  flex: none; width: 34px; height: 40px; border-radius: 6px;
  display: grid; place-items: center;
  background: #e5484d; color: #fff; font-size: 10px; font-weight: 700; letter-spacing: .04em;
}
.file__name { font-size: 14px; font-weight: 600; }
.file__meta { font-size: 12px; color: var(--text-2); }
.file__actions { display: flex; gap: 8px; padding: 10px 14px 14px; }
.file__actions .btn { flex: 1; justify-content: center; }

/* ── Resume viewer ─────────────────────── */
/* Closed overlays are fully hidden (not just click-through): iPhone Safari lets
   invisible layers — especially ones holding an iframe — swallow touch scrolling.
   visibility waits for the close animation to finish before hiding. */
.viewer { position: fixed; inset: 0; z-index: 30; pointer-events: none; display: grid; place-items: center; visibility: hidden; transition: visibility 0s linear .3s; }
.viewer__scrim { position: absolute; inset: 0; background: rgba(0,0,0,.55); opacity: 0; transition: opacity .25s; }
.viewer__panel {
  position: relative;
  width: min(920px, calc(100% - 32px)); height: calc(100% - 48px);
  display: flex; flex-direction: column;
  background: var(--surface); border-radius: 16px; overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,.35);
  opacity: 0; transform: scale(.96) translateY(10px);
  transition: opacity .25s ease, transform .3s cubic-bezier(.2,.8,.2,1);
}
.viewer.is-open { pointer-events: auto; visibility: visible; transition-delay: 0s; }
.viewer.is-open .viewer__scrim { opacity: 1; }
.viewer.is-open .viewer__panel { opacity: 1; transform: none; }
.viewer__bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 10px 10px 18px; border-bottom: 1px solid var(--border);
}
.viewer__bar strong { font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.viewer__actions { display: flex; align-items: center; gap: 8px; }
.viewer__actions .drawer__btn { box-shadow: none; }
.viewer iframe { flex: 1; width: 100%; border: 0; background: #525659; }
@media (max-width: 600px) {
  .viewer__panel { width: 100%; height: 100%; border-radius: 0; }
  .viewer__newtab { display: none; }
}

/* ── Case study drawer ─────────────────── */
.drawer { position: fixed; inset: 0; z-index: 20; pointer-events: none; visibility: hidden; transition: visibility 0s linear .4s; }
.drawer__scrim { position: absolute; inset: 0; background: rgba(0,0,0,.35); opacity: 0; } /* fades in/out from app.js */
.drawer__panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(720px, 100%);
  background: var(--surface); overflow-y: auto; overflow-x: clip; overscroll-behavior: contain; /* clip: no sideways scrollbar while the next project slides in */
  transform: translateX(100%);
  transition: width .35s cubic-bezier(.2,.8,.2,1); /* the slide in/out runs in app.js (works with Reduce Motion) */
  box-shadow: -12px 0 40px rgba(0,0,0,.15);
}
.drawer.is-open { pointer-events: auto; visibility: visible; transition-delay: 0s; }
.drawer.is-open .drawer__scrim { opacity: 1; }
.drawer.is-open .drawer__panel { transform: none; }
.drawer__panel .tag { background: var(--tag-bg-page); }
/* Sticky header with a line under it: title (fades in once the big title
   scrolls away), "Listen to case study", expand, close */
.drawer__bar {
  position: sticky; top: 0; z-index: 3;
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px 10px 20px;
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.drawer__bar-title {
  flex: 1; min-width: 0; font-size: 14px; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  opacity: 0; transform: translateY(4px); transition: opacity .2s ease, transform .2s ease;
}
.drawer.has-scrolled .drawer__bar-title { opacity: 1; transform: none; }
.drawer.is-swapping .drawer__bar-title { transform: none; } /* "Next project": the old title fades out without moving */
.drawer__bar .drawer__btn { box-shadow: none; }
.speak--page { margin: 0; padding: 7px 14px 7px 11px; border: 1px solid var(--border); font-size: 13px; color: var(--text); }
.speak--page[hidden] { display: none; }
/* "to case study" shows only on wider screens and while idle — phones just say "Listen" */
.speak__more { margin-left: -2px; }
.speak--page.is-playing .speak__more { display: none; }
@media (max-width: 600px) { .speak__more { display: none; } }
.drawer__btn {
  flex: none; width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  box-shadow: var(--shadow);
}
.drawer__btn:hover { border-color: var(--text-2); }
.drawer__expand .icon-collapse { display: none; }

/* Expanded: full-screen panel with a centered reading column */
.drawer.is-expanded .drawer__panel { width: 100%; }
.drawer.is-expanded .drawer__expand .icon-expand { display: none; }
.drawer.is-expanded .drawer__expand .icon-collapse { display: block; }
.drawer.is-expanded .cs__content { max-width: 880px; margin: 0 auto; }
@media (max-width: 720px) { .drawer__expand { display: none; } }

/* Project image sits under the tags, above Overview, at its natural proportions */
.cs__hero { margin-top: 28px; border-radius: 14px; overflow: hidden; }
.cs__content { padding: 28px clamp(16px, 5vw, 48px) 48px; }
.cs__content h1 { font: 500 clamp(30px, 5.5vw, 44px)/1.12 "Newsreader", Georgia, serif; font-optical-sizing: auto; letter-spacing: -.015em; margin: 10px 0 8px; } /* serif case study titles */
.cs__lede { font-size: 18px; color: var(--text-2); line-height: 1.5; margin: 0 0 20px; }
.cs__facts {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 16px;
  padding: 16px 0; margin: 0 0 16px;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.cs__facts dt { font-size: 12px; color: var(--text-2); margin-bottom: 2px; }
.cs__facts dd { margin: 0; font-size: 14px; font-weight: 500; }
.cs__section { margin-top: 36px; }
.cs__section h2 { font-size: 20px; margin: 0 0 8px; }
.cs__section p { margin: 0; line-height: 1.7; color: var(--text-2); }
.cs__section p + p { margin-top: 12px; }
.cs__stats { margin-top: 20px; }
/* Process steps: numbered list with a bold label per step */
.cs__steps { margin: 16px 0 0; padding: 0; list-style: none; counter-reset: step; display: grid; gap: 14px; }
.cs__steps li { counter-increment: step; display: grid; grid-template-columns: 28px 1fr; column-gap: 12px; line-height: 1.6; }
.cs__steps li::before {
  content: counter(step); grid-row: span 2;
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  background: color-mix(in srgb, var(--cat) 22%, transparent); color: var(--spoken); font-size: 13px; font-weight: 700;
}
.cs__steps strong { font-size: 15px; }
.cs__steps li > span { color: var(--text-2); }
/* Image row inside a case study (side by side on desktop, stacked on phones) */
/* Images in a row share one height: each one's flex-grow is set to its
   aspect ratio once it loads (sizeGallery in app.js), so nothing is cropped */
.cs__gallery { margin-top: 32px; display: flex; gap: 12px; align-items: flex-start; }
.cs__gallery img { flex: 1 1 0; min-width: 0; width: 100%; height: auto; display: block; border-radius: 14px; }
@media (max-width: 520px) {
  .cs__gallery { flex-direction: column; }
  .cs__gallery img { flex: none !important; }
  .cs__gallery img.hide-mobile { display: none; }
}
/* Pull quote */
.cs__quote { margin: 32px 0 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--cat); }
.cs__quote blockquote { margin: 0; font-size: 19px; line-height: 1.5; font-weight: 500; }
.cs__quote figcaption { margin-top: 12px; font-size: 13px; color: var(--text-2); }
.cs__quote figcaption strong { color: var(--text); font-weight: 600; }
.cs__img {
  margin-top: 16px; aspect-ratio: 16 / 9; border-radius: 12px;
  background: var(--surface-2); border: 1px dashed var(--border);
  display: grid; place-items: center; color: var(--text-2); font-size: 13px;
}
.cs__stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.cs__stats div { padding: 16px; border-radius: 12px; background: var(--surface-2); display: flex; flex-direction: column; gap: 4px; }
.cs__stats strong { font-size: 26px; letter-spacing: -.02em; color: var(--spoken); } /* lavender impact numbers */
.cs__stats div > span { font-size: 13px; color: var(--text-2); } /* the label only, not the read-aloud word spans in the number */
.cs__next { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); }
.cs__nextbtn {
  display: block; margin-top: 4px; padding: 0; border: 0; background: none;
  font-size: 24px; font-weight: 600; letter-spacing: -.01em;
}
.cs__nextbtn:hover { color: var(--accent); }

/* ── Mobile ────────────────────────────── */
@media (max-width: 600px) {
  .inputbar input { font-size: 16px; } /* 16px+ stops iPhones zooming the page when the input is tapped */
  .msg--bot { padding-right: 28px; } /* assistant replies don't run edge to edge on phones */
  .cs__hero--square img { aspect-ratio: 1; object-fit: cover; } /* square crop on phones (centered) */
  .drawer__panel .tags { max-height: 26px; overflow: hidden; } /* case study tags: one line only; tags that wrap are hidden */
  .msg--user { padding-left: 80px; } /* 80px + 16px page margin = 96px gap left of visitor bubbles */
  .topbar { padding: 12px 16px; }
  .status { font-size: 11px; }
  .card { gap: 12px; padding: 12px; }
  .cs__facts { grid-template-columns: 1fr 1fr; }
  .cs__stats { grid-template-columns: 1fr; }
}