/* ============================================================
   Erbila — public site v3 "ERBI" (2026-09-04)
   Type-driven, light, single-page studio site.
   Original implementation; aesthetic direction inspired by fuch.ai.
   ============================================================ */

:root {
  /* ── Page palette (light) ── */
  --paper:       #FFFFFF;
  --stage:       #E9EEF3;
  --stage-deep:  #DCE3EC;
  --ink:         #0D1417;
  --ink-2:       rgba(13, 20, 23, .72);
  --muted:       rgba(13, 20, 23, .58);
  --dim:         rgba(13, 20, 23, .36);
  --line:        rgba(13, 20, 23, .12);
  --line-2:      rgba(13, 20, 23, .18);
  --fill:        rgba(13, 20, 23, .045);

  --accent:      #0C7E70;   /* teal */
  --accent-2:    #0E7E8E;
  --accent-3:    #0B8676;
  --accent-soft: rgba(12, 126, 112, .13);
  --accent-faint: rgba(12, 126, 112, .06);
  --alert:       #C83F37;
  --brand-orange: #E47148;
  --green:       #0F9D58;

  /* ── Chat widget variables (shared with chat.css) ── */
  --bg:        var(--paper);
  --bg-2:      #FFFFFF;
  --bg-3:      #F1F4F8;
  --bg-deep:   #FFFFFF;   /* used as text-on-accent inside chat.css */
  --ink:       #0D1417;
  --ink-2:     rgba(13, 20, 23, .72);
  --muted:     rgba(13, 20, 23, .58);
  --muted-2:   rgba(13, 20, 23, .42);
  --accent:    #0C7E70;
  --accent-2:  #0E7E8E;
  --accent-soft: rgba(12, 126, 112, .14);
  --accent-deep: #0B8676;
  --rule:      rgba(13, 20, 23, .08);
  --rule-2:    rgba(13, 20, 23, .15);
  --green:     #0F9D58;

  /* ── Type ── */
  --font-mono:    "JetBrains Mono", "SF Mono", Menlo, ui-monospace, Consolas, monospace;
  --font-sans:    "Inter", -apple-system, system-ui, sans-serif;
  --font-display: "Space Grotesk", "Inter", -apple-system, sans-serif;
  --track-ui:  .18em;
  --track-wide: .34em;

  --r-chip: 4px;
  --r-control: 8px;
  --r-card: 14px;
  --r-pill: 999px;
}

/* ── Fluid scale ──
   Everything in the interface is sized in rem, and the root font size grows
   gently with the viewport: 16px at 1440 wide, ≈18.5px on 1080p, ≈22px on 2K,
   capped at 24px. Text, cards and spacing scale together while the layout
   still adapts to the real width. Phones/tablets stay at 16px. */
html { font-size: clamp(15px, 0.52vw + 8.5px, 24px); }
@media (max-width: 1100px) { html { font-size: 16px; } }

/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  background-color: var(--stage);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.mono { font-family: var(--font-mono); }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
ul { list-style: none; margin: 0; padding: 0; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: fixed; top: -3rem; left: 1rem; z-index: 1000;
  padding: .5rem .9rem; border-radius: var(--r-control);
  background: var(--ink); color: var(--paper);
  font-size: .85rem; transition: top .2s ease;
}
.skip:focus { top: 1rem; }

/* ── The robot stage ── */
.erbi-stage {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
  touch-action: none;
}

.erbi-stage__floor {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(90% 50% at 50% 110%, rgba(13, 20, 23, .12), transparent 60%);
}

.erbi-nowebgl {
  position: fixed;
  left: 1rem; right: 1rem; bottom: 1rem;
  z-index: 5;
  margin: 0;
  text-align: center;
  font-size: .8rem;
  color: var(--muted);
  display: none;
}
body.no-webgl .erbi-nowebgl { display: block; }

/* ── Boot sequence ── */
.erbi-boot {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: grid;
  place-items: center;
  background: var(--stage);
  transition: opacity .7s ease, visibility .7s ease;
}
.erbi-boot.is-done { opacity: 0; visibility: hidden; pointer-events: none; }

.erbi-boot__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.1rem;
  min-width: min(82vw, 340px);
}

.erbi-boot__mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 7vw, 3.4rem);
  letter-spacing: -.02em;
  color: var(--ink);
  line-height: 1;
}

.erbi-boot__status {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: .78rem;
  color: var(--muted);
  letter-spacing: .06em;
}
.erbi-boot__count { color: var(--dim); font-variant-numeric: tabular-nums; }

.erbi-boot__bar {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}
.erbi-boot__bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleX(var(--w, 0));
  transform-origin: left;
}
[dir="rtl"] .erbi-boot__bar::after { transform-origin: right; }

/* ── HUD ── */
.erbi-hud {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 110;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding: clamp(.9rem, 2.4vw, 1.4rem) clamp(1rem, 3vw, 1.75rem);
  pointer-events: none;
}
.erbi-hud > * { pointer-events: auto; }

.erbi-hud__id {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  justify-self: start;
  line-height: 1.15;
}
.erbi-hud__mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  color: var(--ink);
}
.erbi-hud__dot { color: var(--accent); }
.erbi-hud__role {
  font-size: .64rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.erbi-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: .25rem;
  padding: .28rem;
  border-radius: var(--r-pill);
  background: color-mix(in srgb, var(--paper) 62%, transparent);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.erbi-nav__pill {
  padding: .5rem .9rem;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .2s ease, background .2s ease;
  white-space: nowrap;
}
.erbi-nav__pill:hover { color: var(--ink); }
.erbi-nav__pill.is-active {
  background: var(--ink);
  color: var(--paper);
}

.erbi-hud__right {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: .7rem;
}

.erbi-ask {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem .95rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-2);
  background: var(--paper);
  font-size: .8rem;
  font-weight: 500;
  color: var(--ink);
  box-shadow: 0 8px 24px -14px rgba(13, 20, 23, .4);
  transition: border-color .2s ease, transform .2s ease;
}
.erbi-ask:hover { border-color: var(--accent); transform: translateY(-1px); }
.erbi-ask--ghost {
  background: color-mix(in srgb, var(--paper) 62%, transparent);
  border-color: var(--line);
  color: var(--ink-2);
  box-shadow: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.erbi-ask--ghost:hover { color: var(--accent); }
.erbi-ask__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-faint);
}

.erbi-langs {
  display: flex;
  gap: .1rem;
  padding: .2rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 62%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.erbi-langs__btn {
  padding: .3rem .5rem;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .1em;
  color: var(--muted);
  transition: color .2s ease, background .2s ease;
}
.erbi-langs__btn.is-active { background: var(--ink); color: var(--paper); }

/* ── Hero ── */
.erbi-hero {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}

.erbi-wordmark {
  position: fixed;
  top: 15%;
  right: 4%;
  z-index: -1;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.5rem, 13vw, 12rem);
  letter-spacing: -.035em;
  line-height: .86;
  color: var(--ink);
  user-select: none;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1s ease;
}
.erbi-wordmark__dot { color: var(--accent); }
.erbi-i { font-style: normal; color: var(--brand-orange); }
body.is-ready .erbi-wordmark { opacity: 1; }

.erbi-hero__bottom {
  position: absolute;
  bottom: 6.5%;
  left: 50%;
  transform: translateX(-50%);
  width: min(94vw, 760px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.15rem;
  pointer-events: auto;
  text-align: center;
}

/* typed AI line */
.erbi-ai__line {
  margin: 0;
  min-height: 1.6em;
  font-family: var(--font-mono);
  font-size: .92rem;
  line-height: 1.6;
  color: var(--ink-2);
}
.erbi-cursor {
  color: var(--accent);
  animation: erbi-blink 1.05s steps(2, start) infinite;
}
@keyframes erbi-blink { to { visibility: hidden; } }

.erbi-ai__pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .5rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .5s ease, transform .5s ease;
}
.erbi-ai__pills.is-in { opacity: 1; transform: translateY(0); }

.erbi-pill {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .62rem 1.05rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-2);
  background: color-mix(in srgb, var(--paper) 72%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--ink);
  transition: border-color .2s ease, color .2s ease, transform .2s ease, background .2s ease;
}
.erbi-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.erbi-pill--accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  padding: .8rem 1.4rem;
  font-size: .9rem;
}
.erbi-pill--accent:hover { color: #fff; background: var(--accent-3); }


/* ── Sections overlay (v4, 2026-09-05): glass cards either side of the robot ──
   The overlay is a full-viewport grid: a section label + one intro sentence
   top-left, a left column and a right column of glass cards, the robot in
   between, a product ticker along the bottom. Nothing slides in from the
   side any more; cards fade/rise into place. Below 56.25rem the columns stack
   into one scrolling sheet over a dimmed stage. */
.erbi-sections {
  position: fixed;
  inset: 0;
  z-index: 70;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s ease, visibility .35s ease;
}
.erbi-sections.is-open { opacity: 1; visibility: visible; }

/* hide the hero furniture while a section is open */
body.is-sec .erbi-wordmark { opacity: 0; transition-duration: .35s; }
body.is-sec .erbi-hero__bottom { opacity: 0; pointer-events: none; transform: translate(-50%, 0.625rem); }
.erbi-hero__bottom { transition: opacity .35s ease, transform .35s ease; }

.erbi-sec {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: clamp(15.625rem, 24vw, 21.25rem) 1fr clamp(20rem, 34vw, 31.25rem);
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "head head head"
    "left mid right"
    "tick tick tick";
  column-gap: clamp(1rem, 2.4vw, 2.5rem);
  padding: calc(clamp(.9rem, 2.4vw, 1.4rem) + 3.9rem) clamp(1rem, 3vw, 1.75rem) .9rem;
}
.erbi-sec[hidden] { display: none; }

/* head: "01 / WORK" + one sentence */
.erbi-sec__head {
  grid-area: head;
  display: flex;
  align-items: flex-start;
  gap: clamp(1rem, 2.4vw, 2rem);
  padding-bottom: 1.4rem;
  pointer-events: auto;
}
.erbi-sec__id {
  flex-shrink: 0;
  padding-top: .35em;
  font-size: .66rem;
  font-weight: 500;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
}
.erbi-sec__line {
  margin: 0;
  max-width: 34ch;
  font-size: clamp(.95rem, 1.35vw, 1.1rem);
  line-height: 1.45;
  color: var(--muted);
}
.erbi-sec__line strong { font-weight: 600; color: var(--ink); }

/* columns */
.erbi-col {
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.25rem 0.375rem 3.75rem;
  margin: -0.25rem -0.375rem 0;
  scrollbar-width: none;
  pointer-events: auto;
  -webkit-mask-image: linear-gradient(#000 calc(100% - 4.375rem), transparent);
          mask-image: linear-gradient(#000 calc(100% - 4.375rem), transparent);
}
.erbi-col::-webkit-scrollbar { display: none; }
.erbi-col--l { grid-area: left; }
.erbi-col--r { grid-area: right; }
.erbi-col--narrow { justify-self: end; width: clamp(18.75rem, 28vw, 25rem); }
.erbi-col--wide { grid-area: right; grid-column: 2 / 4; justify-self: end; width: min(50vw, 41.25rem); }
.erbi-col__label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.625rem;
  font-size: .64rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}

/* stagger the cards in */
.erbi-sec .erbi-glass,
.erbi-sec .erbi-track__item {
  opacity: 0;
  transform: translateY(0.75rem);
}
.erbi-sections.is-open .erbi-sec .erbi-glass,
.erbi-sections.is-open .erbi-sec .erbi-track__item {
  animation: erbi-rise .55s cubic-bezier(.16, 1, .3, 1) forwards;
  animation-delay: calc(var(--i, 0) * 60ms + 80ms);
}
@keyframes erbi-rise { to { opacity: 1; transform: none; } }

/* ── The glass card ── */
.erbi-glass {
  position: relative;
  isolation: isolate;
  border-radius: var(--r-card);
  background: linear-gradient(135deg, rgba(255, 255, 255, .66), rgba(255, 255, 255, .38) 46%, rgba(255, 255, 255, .54));
  -webkit-backdrop-filter: blur(34px) saturate(170%) brightness(1.04);
          backdrop-filter: blur(34px) saturate(170%) brightness(1.04);
  border: 1px solid rgba(255, 255, 255, .72);
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, .95),
    inset 0 -0.5rem 1.25rem rgba(255, 255, 255, .22),
    0 1.125rem 2.75rem rgba(40, 60, 90, .13),
    0 0.188rem 0.625rem rgba(40, 60, 90, .06);
}
.erbi-glass::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 0;
  opacity: .45;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.14'/%3E%3C/svg%3E");
  background-size: 7.5rem 7.5rem;
}
.erbi-glass::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .5) 0%, transparent 14%),
    radial-gradient(150% 80% at 12% -20%, rgba(255, 255, 255, .28) 0%, transparent 46%),
    radial-gradient(120% 70% at 100% 120%, rgba(255, 255, 255, .1) 0%, transparent 55%);
}
.erbi-glass > * { position: relative; z-index: 1; }

/* close pill (top-right, under the HUD) */
.erbi-panel-close {
  position: absolute;
  top: calc(clamp(.9rem, 2.4vw, 1.4rem) + 3.9rem);
  inset-inline-end: clamp(1rem, 3vw, 1.75rem);
  z-index: 5;
  display: none;
  align-items: center;
  gap: .6rem;
  padding: .45rem .55rem .45rem .9rem;
  border-radius: var(--r-pill);
  color: var(--ink);
  font-size: .64rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  pointer-events: auto;
  transition: color .2s ease;
}
.erbi-panel-close span:last-child { font-size: 1.1rem; line-height: 1; font-family: var(--font-sans); }
.erbi-panel-close:hover { color: var(--accent); }

/* ── Work / product cards ── */
.erbi-cards { display: flex; flex-direction: column; gap: 0.875rem; padding-top: 0.75rem; }
.erbi-wcard {
  display: grid;
  grid-template-columns: clamp(7.375rem, 12vw, 10rem) 1fr;
  overflow: hidden;
  text-align: start;
  transition: transform .35s cubic-bezier(.16, 1, .3, 1), box-shadow .35s ease, border-color .25s ease;
}
a.erbi-wcard:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 35%, #fff);
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, .95),
    0 1.5rem 3.375rem rgba(40, 60, 90, .18),
    0 0.25rem 0.75rem rgba(40, 60, 90, .08);
}
.erbi-wcard__thumb {
  position: relative;
  min-height: 8rem;
  overflow: hidden;
  display: grid;
  place-items: center;
  background:
    radial-gradient(rgba(13, 20, 23, .18) 1px, transparent 1.3px) 0 0 / 0.625rem 0.625rem,
    linear-gradient(160deg, #EEF2F6, #DCE3EC);
}
.erbi-wcard__thumb img {
  position: absolute; inset: 0;
  z-index: 1;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(1);
  transform: scale(1);
  transition: transform .6s cubic-bezier(.16, 1, .3, 1), filter .45s ease;
}
a.erbi-wcard:hover .erbi-wcard__thumb img { filter: grayscale(0); transform: scale(1.05); }
.erbi-wcard__thumb > b {
  position: relative;
  z-index: 0;
  font-size: 2.2rem;
  font-weight: 500;
  color: rgba(13, 20, 23, .18);
  letter-spacing: -.04em;
}
.erbi-wcard__thumb--tint {
  background:
    radial-gradient(color-mix(in srgb, var(--c, var(--accent)) 45%, rgba(13, 20, 23, .2)) 1px, transparent 1.3px) 0 0 / 0.625rem 0.625rem,
    linear-gradient(160deg, color-mix(in srgb, var(--c, var(--accent)) 22%, #fff), color-mix(in srgb, var(--c, var(--accent)) 8%, #E4EAF1));
}
.erbi-wcard__thumb > .erbi-wcard__glyph {
  display: grid;
  place-items: center;
  width: 3.625rem; height: 3.625rem;
  border-radius: 1rem;
  background: var(--ink);
  color: var(--c, var(--accent));
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  box-shadow: 0 0.625rem 1.5rem -0.625rem rgba(13, 20, 23, .6), inset 0 1px 0 rgba(255, 255, 255, .18);
}
.erbi-wcard__body {
  min-width: 0;
  padding: 1rem 1.125rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.438rem;
}
.erbi-wcard__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.625rem;
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}
.erbi-wcard__meta > span:first-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.erbi-wcard__side { color: var(--accent); font-weight: 700; flex-shrink: 0; }
.erbi-wcard__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.erbi-wcard__sum {
  font-size: .82rem;
  line-height: 1.5;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.erbi-wcard__chips { display: flex; flex-wrap: nowrap; align-items: center; gap: 0.313rem; margin-top: 2px; overflow: hidden; }
.erbi-chip {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: 0.188rem 0.5rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  font-size: .6rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--dim);
  white-space: nowrap;
}
.erbi-chip--go {
  margin-inline-start: auto;
  border-color: transparent;
  color: var(--accent);
  background: var(--accent-faint);
  transition: background .2s ease, color .2s ease;
}
.erbi-chip--go:hover, a.erbi-wcard:hover .erbi-chip--go { background: var(--accent); color: #fff; }
.erbi-wcard--product .erbi-wcard__side { color: color-mix(in srgb, var(--c, var(--accent)) 60%, var(--ink)); }
.erbi-note { padding: 1.125rem 1.25rem; }
.erbi-note p { margin: 0; font-size: .9rem; color: var(--muted); }

/* ── Track (left column on Work): what we build ── */
.erbi-track {
  position: relative;
  margin: 0;
  padding: 0.75rem 0 0 0.875rem;
  list-style: none;
  border-inline-start: 1px solid var(--line);
  margin-inline-start: 0.25rem;
}
.erbi-track__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.188rem;
  padding: 0 0 1.375rem 0.875rem;
}
.erbi-track__item::before {
  content: "";
  position: absolute;
  inset-inline-start: -1.187rem;
  top: .35em;
  width: 0.5rem; height: 0.5rem;
  border-radius: 50%;
  background: var(--stage);
  border: 1px solid var(--line-2);
}
.erbi-track__item.is-now::before { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 0.25rem var(--accent-faint); }
.erbi-track__k { font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; color: var(--dim); }
.erbi-track__item.is-now .erbi-track__k { color: var(--accent); }
.erbi-track__t { font-size: .98rem; font-weight: 600; color: var(--ink); letter-spacing: -.01em; }
.erbi-track__s {
  font-size: .78rem; line-height: 1.5; color: var(--muted);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ── Message card (assistant) ── */
.erbi-msg { padding: 1.25rem 1.375rem 1.375rem; display: flex; flex-direction: column; gap: 0.875rem; }
.erbi-msg__head { display: flex; align-items: center; gap: 0.688rem; }
.erbi-msg__avatar {
  display: inline-grid; place-items: center;
  width: 2.125rem; height: 2.125rem;
  border-radius: var(--r-control);
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 55%, #fff));
  color: #fff;
  box-shadow: 0 0.25rem 0.75rem color-mix(in srgb, var(--accent) 35%, transparent);
}
.erbi-msg__title { font-family: var(--font-display); font-size: .95rem; font-weight: 700; letter-spacing: -.01em; color: var(--ink); }
.erbi-msg__sub { font-size: .62rem; letter-spacing: .06em; color: var(--dim); margin-top: 2px; }
.erbi-msg__bubble {
  align-self: flex-start;
  max-width: 88%;
  padding: 0.563rem 0.813rem;
  border-radius: 0.875rem 0.875rem 0.875rem 0.25rem;
  background: var(--fill);
  font-size: .82rem;
  line-height: 1.5;
  color: var(--ink);
}
[dir="rtl"] .erbi-msg__bubble { border-radius: 0.875rem 0.875rem 0.25rem 0.875rem; }
.erbi-msg__opts { display: flex; flex-direction: column; gap: 0.5rem; }
.erbi-opt {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.625rem 0.75rem;
  border-radius: 0.75rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .45);
  text-align: start;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
.erbi-opt:hover { border-color: color-mix(in srgb, var(--accent) 45%, #fff); background: rgba(255, 255, 255, .75); transform: translateY(-1px); }
.erbi-opt__ico,
.erbi-find__ico {
  display: inline-grid; place-items: center;
  width: 2.25rem; height: 2.25rem;
  flex-shrink: 0;
  border-radius: var(--r-control);
  background: var(--accent-faint);
  color: var(--accent);
}
.erbi-opt__body, .erbi-find__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.erbi-opt__t, .erbi-find__t { font-size: .88rem; font-weight: 600; color: var(--ink); letter-spacing: -.01em; }
.erbi-opt__s, .erbi-find__s { font-size: .62rem; letter-spacing: .06em; color: var(--dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.erbi-opt__go, .erbi-find__go { color: var(--dim); flex-shrink: 0; transition: color .2s ease, transform .2s ease; }
.erbi-opt:hover .erbi-opt__go { color: var(--accent); transform: translateX(2px); }
[dir="rtl"] .erbi-opt__go, [dir="rtl"] .erbi-find__go { transform: scaleX(-1); }
[dir="rtl"] .erbi-opt:hover .erbi-opt__go { transform: scaleX(-1) translateX(2px); }

/* ── Find us + profile (Contact, left) ── */
.erbi-find { padding: 1.125rem 1rem 0.75rem; display: flex; flex-direction: column; gap: 0.25rem; }
.erbi-find .erbi-col__label { padding: 0 0.375rem 0.5rem; }
.erbi-find__row {
  display: flex; align-items: center; gap: 0.75rem;
  width: 100%;
  padding: 0.5rem 0.5rem;
  border-radius: 0.75rem;
  text-align: start;
  transition: background .2s ease;
}
.erbi-find__row:hover { background: rgba(255, 255, 255, .6); }
.erbi-find__row:hover .erbi-find__go { color: var(--accent); }
.erbi-find__ico { background: rgba(255, 255, 255, .7); color: var(--ink-2); border: 1px solid var(--line); }

.erbi-profile { padding: 1.25rem 1.25rem 1.125rem; display: flex; flex-direction: column; gap: 0.875rem; }
.erbi-profile__head { display: flex; align-items: center; gap: 0.875rem; }
.erbi-profile__avatar {
  display: inline-grid; place-items: center;
  width: 3.5rem; height: 3.5rem;
  border-radius: 0.875rem;
  background: var(--ink);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -.04em;
  box-shadow: 0 0.75rem 1.5rem -0.75rem rgba(13, 20, 23, .6);
}
.erbi-profile__name { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; letter-spacing: -.02em; color: var(--ink); }
.erbi-profile__role { font-size: .62rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-top: 0.188rem; }
.erbi-profile__status {
  display: flex; align-items: center; flex-wrap: wrap; gap: 0.375rem 0.625rem;
  padding: 0.625rem 0.875rem;
  border-radius: 0.75rem;
  background: var(--accent-faint);
  font-size: .85rem; font-weight: 500; color: var(--ink);
}
.erbi-profile__dot { width: 0.438rem; height: 0.438rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0.188rem color-mix(in srgb, var(--accent) 18%, transparent); flex-shrink: 0; }
.erbi-profile__stxt { flex: 1; min-width: 0; line-height: 1.35; }
.erbi-profile__time { font-size: .64rem; letter-spacing: .08em; color: var(--dim); flex-shrink: 0; margin-inline-start: auto; }
.erbi-profile__list { display: flex; flex-direction: column; }
.erbi-profile__list li {
  display: flex; align-items: baseline; gap: 0.875rem;
  padding: 0.563rem 2px;
  border-bottom: 1px solid var(--line);
  font-size: .86rem; color: var(--ink-2);
}
.erbi-profile__list li:last-child { border-bottom: 0; }
.erbi-profile__tag { font-size: .62rem; letter-spacing: .12em; color: var(--accent); width: 2.6em; flex-shrink: 0; }
.erbi-profile__where { margin: 0; font-size: .86rem; color: var(--ink-2); }

.erbi-foot { display: flex; justify-content: space-between; gap: 1rem; margin: 0.25rem 0.375rem 0; font-size: .62rem; letter-spacing: .08em; color: var(--dim); }

/* ── About ── */
.erbi-col--wide { gap: clamp(0.875rem, 2.2vh, 1.5rem); }
.erbi-about__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  letter-spacing: -.03em;
  line-height: 1.05;
  color: var(--ink);
}
.erbi-about__role { margin-top: 0.563rem; font-size: .68rem; font-weight: 500; letter-spacing: .22em; text-transform: uppercase; color: var(--accent); }
.erbi-about__p { margin: 0; max-width: 56ch; font-size: .95rem; line-height: 1.6; color: var(--muted); }
.erbi-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.75rem; padding-top: 0.75rem; }
.erbi-stat { padding: 0.938rem 0.938rem 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.erbi-stat__n {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 4vh, 2.7rem);
  letter-spacing: -.04em;
  line-height: .95;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.erbi-stat__l { font-size: .6rem; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); line-height: 1.5; }
.erbi-manifest { padding: 1.125rem 1.25rem; display: flex; flex-direction: column; gap: 0.375rem; }
.erbi-manifest__list { display: flex; flex-direction: column; }
.erbi-manifest__row { display: flex; gap: 0.875rem; align-items: baseline; padding: 0.625rem 0; border-top: 1px solid var(--line); }
.erbi-manifest__row:first-child { border-top: 0; }
.erbi-manifest__tag { width: 2.6em; flex-shrink: 0; font-size: .62rem; letter-spacing: .12em; color: var(--accent); }
.erbi-manifest__body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.erbi-manifest__t { font-size: .92rem; font-weight: 600; color: var(--ink); letter-spacing: -.01em; }
.erbi-manifest__s { font-size: .8rem; line-height: 1.5; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ── Bottom ticker ── */
.erbi-sec__ticker {
  grid-area: tick;
  display: flex;
  align-items: center;
  gap: 1.4rem;
  padding-top: .6rem;
  font-size: .62rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--dim);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, #000 70%, transparent);
          mask-image: linear-gradient(90deg, #000 70%, transparent);
}
[dir="rtl"] .erbi-sec__ticker { -webkit-mask-image: linear-gradient(270deg, #000 70%, transparent); mask-image: linear-gradient(270deg, #000 70%, transparent); }
.erbi-ticker__lead { flex-shrink: 0; display: inline-flex; align-items: center; gap: 1.4rem; color: var(--muted); }
.erbi-ticker__lead::after { content: ""; display: block; width: 1px; height: .9em; background: var(--line-2); }
.erbi-ticker { display: inline-flex; align-items: center; gap: 1.6rem; white-space: nowrap; animation: erbi-ticker 34s linear infinite; }
.erbi-ticker__item { color: var(--muted); }
.erbi-ticker__dot { width: 0.25rem; height: 0.25rem; border-radius: 50%; background: var(--accent); opacity: .6; }
@keyframes erbi-ticker { to { transform: translateX(-50%); } }
[dir="rtl"] .erbi-ticker { animation-name: erbi-ticker-rtl; }
@keyframes erbi-ticker-rtl { to { transform: translateX(50%); } }
@media (prefers-reduced-motion: reduce) { .erbi-ticker { animation: none; } }

/* ── Chat widget — light-theme adaptation ── */
.cw-launcher {
  box-shadow:
    0 0.75rem 2rem -1rem rgba(13, 20, 23, .45),
    0 0 0 1px var(--rule),
    inset 0 1px 0 rgba(255, 255, 255, .7);
}
.cw-launcher:hover {
  box-shadow:
    0 1rem 2.5rem -1.125rem rgba(12, 126, 112, .5),
    0 0 0 1px var(--accent);
}

/* ── Responsive ── */
@media (max-width: 1180px) {
  .erbi-sec { grid-template-columns: clamp(14.375rem, 24vw, 18.75rem) 1fr clamp(18.75rem, 36vw, 27.5rem); }
  .erbi-col--wide { width: min(56vw, 37.5rem); }
}

@media (max-width: 900px) {
  /* one scrolling sheet over the dimmed stage */
  body.is-sec .erbi-stage, body.is-sec .erbi-stage__floor { opacity: .32; transition: opacity .35s ease; }
  .erbi-stage, .erbi-stage__floor { transition: opacity .35s ease; }
  .erbi-sections { overflow-y: auto; pointer-events: auto; -webkit-overflow-scrolling: touch; }
  .erbi-sections.is-open { pointer-events: auto; }
  .erbi-sec {
    position: relative;
    inset: auto;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.125rem;
    padding-top: calc(clamp(.9rem, 2.4vw, 1.4rem) + 6.4rem);
    padding-bottom: 6rem;
  }
  .erbi-sec__head { flex-direction: column; gap: .5rem; padding-bottom: .4rem; }
  .erbi-sec__line { max-width: none; }
  .erbi-col, .erbi-col--wide, .erbi-col--narrow {
    width: auto;
    overflow: visible;
    margin: 0;
    padding: 0;
    -webkit-mask-image: none; mask-image: none;
  }
  .erbi-panel-close { display: flex; position: fixed; top: auto; bottom: 1.1rem; inset-inline-end: auto; left: 50%; transform: translateX(-50%); }
  .erbi-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .erbi-sec__ticker { display: none; }
}

@media (max-width: 820px) {
  .erbi-hud { grid-template-columns: 1fr auto; }
  .erbi-hud__role { display: none; }
  .erbi-nav { order: 3; grid-column: 1 / -1; justify-self: center; }
  .erbi-nav__pill { padding: .45rem .7rem; }
  .erbi-ask { padding: .5rem .8rem; font-size: .74rem; }
  .erbi-wordmark { top: 24%; }
}

@media (max-width: 520px) {
  .erbi-hud__right .erbi-ask span:last-child { display: none; }
  .erbi-ask--ghost { padding: .5rem .6rem; }
  .erbi-ask { padding: .5rem .6rem; }
  .erbi-langs { display: none; }
  .erbi-hero__bottom { bottom: 7%; }
  .erbi-pill { font-size: .7rem; padding: .55rem .85rem; }
  .erbi-ai__line { font-size: .82rem; }
  .erbi-wcard { grid-template-columns: 1fr; }
  .erbi-wcard__thumb { min-height: 6rem; }
  .erbi-wcard__thumb img { position: relative; height: 6rem; }
}

/* phone sheet: keep the robot as a faint backdrop so the cards stay readable */
@media (max-width: 900px) {
  body.is-sec .erbi-stage, body.is-sec .erbi-stage__floor { opacity: .22; }
  .erbi-sections.is-open {
    background: linear-gradient(180deg, rgba(233, 238, 243, .35) 0, rgba(233, 238, 243, .9) 34vh, rgba(233, 238, 243, .96) 100%);
  }
}

/* ── Case study inside the Work panel ── */
.erbi-case[hidden] { display: none; }
.erbi-sec.is-case .erbi-col--l, .erbi-sec.is-case .erbi-col--r { display: none; }
.erbi-back {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem .9rem .45rem .7rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 62%, transparent);
  font-size: .64rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .2s ease, border-color .2s ease;
}
.erbi-back svg { transform: scaleX(-1); }
[dir="rtl"] .erbi-back svg { transform: none; }
.erbi-back:hover { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, #fff); }
.erbi-case__media { padding: 0.5rem; overflow: hidden; }
.erbi-case__strip {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  border-radius: 0.625rem;
}
.erbi-case__strip::-webkit-scrollbar { display: none; }
.erbi-case__slide {
  position: relative;
  flex: 0 0 100%;
  margin: 0;
  aspect-ratio: 16 / 9;
  scroll-snap-align: start;
  border-radius: 0.625rem;
  overflow: hidden;
  background: var(--ink);
}
.erbi-case__slide img, .erbi-case__slide video, .erbi-case__slide iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  border: 0;
  display: block;
}
.erbi-case__slide figcaption {
  position: absolute; left: 0.75rem; bottom: 0.625rem; right: 0.75rem;
  font-size: .62rem; letter-spacing: .08em; text-transform: uppercase;
  color: rgba(255, 255, 255, .85);
  text-shadow: 0 1px 2px rgba(0, 0, 0, .5);
}
.erbi-case__count {
  position: absolute; top: 1rem; inset-inline-end: 1rem;
  display: inline-flex; align-items: center; gap: 0.375rem;
  padding: 0.188rem 0.5rem; border-radius: var(--r-pill);
  background: rgba(13, 20, 23, .55); color: #fff;
  font-size: .6rem; letter-spacing: .1em;
}
.erbi-case__body { padding: 1.25rem 1.375rem 1.375rem; display: flex; flex-direction: column; gap: 0.625rem; }
.erbi-case__title { margin: 2px 0 0; font-family: var(--font-display); font-weight: 700; font-size: clamp(1.4rem, 2.2vw, 1.9rem); letter-spacing: -.02em; line-height: 1.1; color: var(--ink); }
.erbi-case__sum { margin: 0; font-size: .95rem; line-height: 1.5; color: var(--ink-2); }
.erbi-case__text p { margin: 0 0 .8em; font-size: .88rem; line-height: 1.65; color: var(--muted); }
.erbi-case__text p:last-child { margin-bottom: 0; }
.erbi-wcard__chips--wrap { flex-wrap: wrap; overflow: visible; margin-top: 0.375rem; }
.erbi-wcard__chips--wrap .erbi-chip--go { margin-inline-start: 0; }

/* ── Right-click menu ── */
.erbi-ctx {
  position: fixed;
  z-index: 300;
  min-width: 14.25rem;
  padding: 0.5rem;
  border-radius: 1rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.erbi-ctx[hidden] { display: none; }
.erbi-ctx__label {
  padding: 0.375rem 0.625rem 0.25rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: -.01em;
  color: var(--ink);
}
.erbi-ctx__label.mono { font-family: var(--font-mono); font-weight: 500; font-size: .6rem; letter-spacing: .16em; text-transform: uppercase; color: var(--dim); }
.erbi-ctx__label[dir="ltr"] { font-family: var(--font-display); font-weight: 700; font-size: .85rem; letter-spacing: -.01em; text-transform: none; color: var(--ink); }
.erbi-ctx__item {
  display: block;
  width: 100%;
  padding: 0.5rem 0.625rem;
  border-radius: 0.563rem;
  text-align: start;
  font-size: .64rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-2);
  transition: background .15s ease, color .15s ease;
}
.erbi-ctx__item:hover { background: rgba(255, 255, 255, .7); color: var(--accent); }
.erbi-ctx__hr { border: 0; border-top: 1px solid var(--line); margin: 0.25rem 0.375rem; }
.erbi-ctx__row { display: flex; flex-wrap: wrap; gap: 0.313rem; padding: 2px 0.375rem 0.375rem; }
.erbi-ctx__chip {
  padding: 0.313rem 0.563rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .5);
  font-size: .6rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-2);
  transition: border-color .15s ease, color .15s ease;
}
.erbi-ctx__chip:hover { border-color: var(--accent); color: var(--accent); }

/* cards never squash inside a scrolling column; the ticker slides under its label */
.erbi-col > * { flex-shrink: 0; }
.erbi-ticker__lead { position: relative; z-index: 1; background: var(--stage); padding-inline-end: .2rem; }

/* phone chat: the full-screen chat must sit ABOVE the header and the panels,
   on a near-solid ground so the robot/stage does not bleed through the text */
@media (max-width: 768px) {
  #cwPanel.cw-panel {
    z-index: 200;
    top: auto;
    height: min(78dvh, 40rem);
    max-height: 78dvh;
    border-radius: 1.25rem 1.25rem 0 0;
    border-top: 1px solid var(--rule-2);
    background: color-mix(in srgb, var(--paper) 96%, transparent);
    box-shadow: 0 -20px 60px -30px rgba(13, 20, 23, .45);
  }
}

/* brand mark in the header: a touch bigger (owner, 2026-09-05) */
.erbi-hud__mark { font-size: 1.3rem; }
.erbi-hud__role { font-size: .72rem; }

/* phone nav: six pills do not fit in 24.375rem — the bar scrolls sideways
   (scrollbar hidden) and erbi.js keeps the active pill in view */
@media (max-width: 820px) {
  .erbi-nav {
    max-width: calc(100vw - 2rem);
    justify-content: flex-start;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
  }
  .erbi-nav::-webkit-scrollbar { display: none; }
  .erbi-nav__pill { flex-shrink: 0; scroll-snap-align: center; }
}

/* desktop chat: the panel box scales with the page like everything else
   (chat.css fixes it at 380×580px, which left big text in a small window on 2K) */
@media (min-width: 769px) {
  #cwPanel.cw-panel {
    width: min(23.75rem, calc(100vw - 2rem));
    height: min(36.25rem, calc(100vh - 6rem));
    bottom: calc(clamp(1rem, 3vw, 1.75rem) + 4rem);
  }
}

/* ── Arabic / Kurdish: the mono UI font has no Arabic glyphs and Latin
   tracking breaks the cursive joins. Mono-styled elements switch to an
   Arabic-capable sans with zero tracking; Latin labels inside them
   (CLOCKPOINT, WEB · 01) render in the same face. ── */
.lang-ar, .lang-ku {
  --font-mono: "IBM Plex Sans Arabic", "Noto Sans Arabic", "Segoe UI", Tahoma, sans-serif;
  --font-sans: "IBM Plex Sans Arabic", "Inter", -apple-system, system-ui, sans-serif;
}
:is(.lang-ar, .lang-ku) :is(.mono, .erbi-nav__pill, .erbi-pill, .erbi-ai__line, .erbi-sec__id, .erbi-col__label,
  .erbi-chip, .erbi-hud__role, .erbi-track__k, .erbi-wcard__meta, .erbi-stat__l, .erbi-opt__s, .erbi-find__s,
  .erbi-msg__sub, .erbi-profile__role, .erbi-profile__tag, .erbi-manifest__tag, .erbi-sec__ticker, .erbi-ticker__lead,
  .erbi-ctx__item, .erbi-ctx__chip, .erbi-ctx__label, .erbi-back, .erbi-panel-close, .erbi-about__role,
  .erbi-boot__line, .erbi-boot__status, .erbi-langs__btn, .erbi-foot, .erbi-case__count, .erbi-profile__time) {
  letter-spacing: 0;
}
:is(.lang-ar, .lang-ku) :is(.erbi-ai__line, .erbi-pill, .erbi-nav__pill, .erbi-sec__line) { font-size: 1.02em; }

/* hero line + pills: one line, one row on desktop, sized in rem so the block
   never grows upward into the robot's feet on big screens */
@media (min-width: 1100px) {
  .erbi-hero__bottom { bottom: 3.5%; width: min(94vw, 64rem); gap: .9rem; }
  .erbi-ai__line { white-space: nowrap; }
  .erbi-ai__pills { flex-wrap: nowrap; }
}

/* phone chat sheet: full width in BOTH directions (chat.css's RTL rule for
   the floating desktop panel sets left:1rem and pushed the sheet off-screen),
   and it must track the keyboard (viewport meta: interactive-widget=resizes-content) */
@media (max-width: 768px) {
  #cwPanel.cw-panel, [dir="rtl"] #cwPanel.cw-panel {
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100vw;
  }
}

/* phones: vertical pans belong to the browser (pull-to-refresh, address bar);
   horizontal drags still rotate the robot */
.erbi-stage { touch-action: pan-y; }
html, body { overscroll-behavior-y: auto; }

/* phones, home screen: Chrome only offers pull-to-refresh when the page itself
   can scroll. Everything on the stage is fixed, so give the document one
   invisible pixel of overflow — enough for the gesture, unnoticeable otherwise. */
@media (max-width: 900px) {
  html { overflow: visible; }
  body { overflow-x: hidden; overflow-y: auto; height: auto; min-height: calc(100dvh + 1px); }
}

/* phones: the language switcher stays in the header (it was hidden ≤520px) */
@media (max-width: 520px) {
  .erbi-langs { display: flex; }
  .erbi-langs__btn { padding: .32rem .42rem; font-size: .58rem; }
  .erbi-hud__right { gap: .45rem; }
  .erbi-ask--ghost { padding: .5rem .55rem; }
}


/* ══════════════════════════════════════════════════════════════════════════
   PHONE APP SHELL (2026-09-05) — html.erbi-m
   A separate frame in the fuch.ai manner, not the desktop page squeezed:
   fixed white app, top bar (wordmark · languages · client key · ask),
   telemetry line, bottom glass tab bar, ONE scroller. Home is exactly one
   screen: the robot behind a bottom-anchored copy stack, his legs dissolving
   into a white fade. The other sections are white pages (big title, section
   labels, index rows) with the robot off screen and paused. The class is set
   in <head> before first paint (coarse pointer + short side ≤768, or any
   window ≤768 wide; ?m=1 forces it). Root font stays 16px here, so rem = px/16.
   ══════════════════════════════════════════════════════════════════════════ */

/* phone-only furniture is hidden everywhere else */
.erbi-mhalo, .erbi-mtop, .erbi-mtel, .erbi-mtilt, .erbi-mnav,
.erbi-mhome__eyebrow, .erbi-mhome__tap, .erbi-mhome__like, .erbi-sec__title { display: none; }

html.erbi-m {
  --m-gutter: 1.125rem;
  --m-top: 3.125rem;
  --m-nav: 4.0625rem;
  --m-sat: env(safe-area-inset-top, 0px);
  --m-sab: env(safe-area-inset-bottom, 0px);
  --stage: #FFFFFF;
  --stage-deep: #FFFFFF;
  font-size: 16px;
}
html.erbi-m body { background: #fff; color-scheme: light; -webkit-tap-highlight-color: transparent; }

/* desktop furniture that has no place on the phone */
html.erbi-m .erbi-hud,
html.erbi-m .erbi-wordmark,
html.erbi-m .erbi-panel-close,
html.erbi-m .cw-launcher,
html.erbi-m .erbi-stage__floor,
html.erbi-m .erbi-sec__ticker,
html.erbi-m .erbi-pill__pre,
html.erbi-m #erbiCtx { display: none !important; }

/* press feedback instead of hover */
html.erbi-m :is(.erbi-mtab, .erbi-mtop__btn, .erbi-pill, .erbi-chip, .erbi-opt, .erbi-find__row, .erbi-wcard, .erbi-back, .erbi-mhome__like, .erbi-langs__btn) {
  transition: transform .18s cubic-bezier(.16, 1, .3, 1), color .2s ease, background .2s ease, border-color .2s ease;
}
html.erbi-m :is(.erbi-mtab, .erbi-mtop__btn, .erbi-pill, .erbi-chip, .erbi-opt, .erbi-find__row, .erbi-wcard, .erbi-back, .erbi-mhome__like):active { transform: scale(.96); }
html.erbi-m :is(.erbi-mtop__btn, .erbi-mtab):active { transform: scale(.9); }
html.erbi-m .erbi-pill:hover, html.erbi-m .erbi-ask:hover { transform: none; }

/* ── the halo behind the robot (Home) ── */
html.erbi-m .erbi-mhalo {
  display: block;
  position: fixed;
  left: 50%; top: 40%;
  width: 92vw; height: 92vw;
  z-index: 0;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(12, 126, 112, .16) 0%, transparent 58%);
  filter: blur(8px);
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.2s ease;
}
html.erbi-m body.is-ready:not(.is-sec) .erbi-mhalo { opacity: 1; }
html.erbi-m body.is-liked .erbi-mhalo { background: radial-gradient(circle, rgba(12, 126, 112, .3) 0%, transparent 60%); }

/* the stage stays where it is; on a section page it is off screen and paused */
html.erbi-m .erbi-stage { z-index: 1; transition: opacity .35s ease; }
html.erbi-m body.is-sec .erbi-stage { opacity: 0; pointer-events: none; }

/* ── top bar ── */
html.erbi-m .erbi-mtop {
  display: flex;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 150;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  padding: calc(var(--m-sat) + .625rem) var(--m-gutter) .5rem;
  background: linear-gradient(to bottom, rgba(255, 255, 255, .92) 30%, rgba(255, 255, 255, 0));
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  -webkit-mask-image: linear-gradient(to bottom, #000 62%, transparent);
          mask-image: linear-gradient(to bottom, #000 62%, transparent);
  opacity: 0;
  pointer-events: none;
  transition: opacity .7s cubic-bezier(.16, 1, .3, 1);
}
html.erbi-m body.is-ready .erbi-mtop { opacity: 1; pointer-events: auto; }
html.erbi-m .erbi-mtop__mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -.03em;
  line-height: 1;
  color: var(--ink);
  white-space: nowrap;
}
html.erbi-m .erbi-mtop__actions { display: flex; align-items: center; gap: .5rem; }
html.erbi-m .erbi-mtop__langs { padding: .15rem; border-color: var(--line); background: rgba(255, 255, 255, .7); }
html.erbi-m .erbi-mtop__langs .erbi-langs__btn { padding: .3rem .42rem; font-size: .58rem; letter-spacing: .06em; }
html.erbi-m .erbi-mtop__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem; height: 2.25rem;
  border-radius: var(--r-pill);
  background: var(--fill);
  color: var(--muted);
}
html.erbi-m .erbi-mtop__btn--accent {
  background: rgba(12, 126, 112, .18);
  color: var(--ink);
  box-shadow: 0 0 0 1px rgba(12, 126, 112, .22), 0 6px 18px rgba(12, 126, 112, .22);
}

/* telemetry line under the wordmark (Home only) */
html.erbi-m .erbi-mtel {
  display: flex;
  position: fixed;
  left: var(--m-gutter); right: var(--m-gutter);
  top: calc(var(--m-sat) + 2.75rem);
  z-index: 149;
  align-items: center;
  gap: .5rem;
  pointer-events: none;
  font-size: .5625rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--dim);
  -webkit-mask-image: linear-gradient(to right, #000 80%, transparent);
          mask-image: linear-gradient(to right, #000 80%, transparent);
  opacity: 0;
  transition: opacity .7s cubic-bezier(.16, 1, .3, 1);
}
html.erbi-m[dir="rtl"] .erbi-mtel { -webkit-mask-image: linear-gradient(to left, #000 80%, transparent); mask-image: linear-gradient(to left, #000 80%, transparent); }
html.erbi-m body.is-ready:not(.is-sec) .erbi-mtel { opacity: 1; }
html.erbi-m .erbi-mtel__txt { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: opacity .26s ease, transform .26s ease; }
html.erbi-m .erbi-mtel.is-swap .erbi-mtel__txt { opacity: 0; transform: translateY(-.25rem); }
html.erbi-m .erbi-mtel__dot {
  width: 5px; height: 5px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(12, 126, 112, .14);
  animation: erbi-mpulse 2.4s ease-in-out infinite;
}
@keyframes erbi-mpulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

/* "Tilt & shake to play" */
html.erbi-m .erbi-mtilt {
  display: inline-flex;
  position: fixed;
  left: 50%;
  top: calc(var(--m-sat) + 4.25rem);
  z-index: 160;
  align-items: center;
  gap: .5625rem;
  max-width: calc(100vw - 1.75rem);
  padding: .5rem .5rem .5rem .9375rem;
  border-radius: var(--r-pill);
  white-space: nowrap;
  background: color-mix(in srgb, var(--accent) 88%, #04140f);
  border: 1px solid color-mix(in srgb, var(--accent) 50%, #fff);
  box-shadow: 0 14px 34px -12px color-mix(in srgb, var(--accent) 70%, transparent);
  color: #fff;
  opacity: 0;
  transform: translate(-50%, -.875rem);
  transition: opacity .4s cubic-bezier(.16, 1, .3, 1), transform .4s cubic-bezier(.16, 1, .3, 1);
}
html.erbi-m .erbi-mtilt[hidden] { display: none; }
html.erbi-m .erbi-mtilt.is-in { opacity: 1; transform: translate(-50%, 0); }
html.erbi-m .erbi-mtilt__go { display: inline-flex; align-items: center; gap: .5rem; color: #fff; font-size: .72rem; letter-spacing: .02em; }
html.erbi-m .erbi-mtilt__x {
  display: flex; align-items: center; justify-content: center;
  width: 1.5rem; height: 1.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, .15);
  color: rgba(255, 255, 255, .75);
  font-size: .95rem; line-height: 1;
}

/* ── bottom tab bar ── */
html.erbi-m .erbi-mnav {
  display: flex;
  position: fixed;
  left: 50%;
  bottom: calc(var(--m-sab) + .75rem);
  z-index: 150;
  transform: translateX(-50%);
  align-items: stretch;
  gap: 2px;
  height: var(--m-nav);
  width: calc(100vw - 2 * var(--m-gutter));
  max-width: 28.75rem;
  padding: .3125rem .5rem;
  border-radius: var(--r-pill);
  background: linear-gradient(135deg, rgba(255, 255, 255, .66), rgba(255, 255, 255, .4), rgba(255, 255, 255, .58));
  -webkit-backdrop-filter: blur(34px) saturate(200%); backdrop-filter: blur(34px) saturate(200%);
  border: 1px solid rgba(255, 255, 255, .75);
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, .95),
    inset 0 -6px 16px rgba(255, 255, 255, .2),
    0 14px 40px rgba(40, 60, 90, .2),
    0 4px 12px rgba(40, 60, 90, .1);
  opacity: 0;
  pointer-events: none;
  transition: opacity .7s cubic-bezier(.16, 1, .3, 1);
}
html.erbi-m body.is-ready .erbi-mnav { opacity: 1; pointer-events: auto; }
html.erbi-m .erbi-mnav__pill {
  position: absolute;
  top: .3125rem; bottom: .3125rem;
  left: var(--x, 0px);
  width: var(--w, 0px);
  border-radius: var(--r-pill);
  background: rgba(12, 126, 112, .12);
  box-shadow: inset 0 0 0 1px rgba(12, 126, 112, .22);
  opacity: 0;
  transition: left .45s cubic-bezier(.2, .9, .25, 1.15), width .45s cubic-bezier(.2, .9, .25, 1.15), opacity .3s ease;
}
html.erbi-m .erbi-mnav__pill.is-on { opacity: 1; }
html.erbi-m .erbi-mtab {
  position: relative;
  z-index: 1;
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .25rem;
  padding: 0 .125rem;
  border-radius: var(--r-pill);
  color: var(--dim);
}
html.erbi-m .erbi-mtab svg { width: 1.25rem; height: 1.25rem; stroke-width: 1.8; }
html.erbi-m .erbi-mtab.is-active { color: var(--accent); }
html.erbi-m .erbi-mtab.is-active svg { stroke-width: 2.2; }
html.erbi-m .erbi-mtab__l {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: .5375rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  line-height: 1;
}

/* ── Home: one screen, copy anchored above the tab bar, robot behind ── */
html.erbi-m .erbi-hero::before {
  content: "";
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: 56%;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(to top, #fff 0%, #fff 52%, rgba(255, 255, 255, .88) 72%, rgba(255, 255, 255, 0) 100%);
  transition: opacity .35s ease;
}
html.erbi-m body.is-sec .erbi-hero::before { opacity: 0; }
html.erbi-m .erbi-hero__bottom {
  position: fixed;
  left: var(--m-gutter); right: var(--m-gutter);
  bottom: calc(var(--m-nav) + var(--m-sab) + 2.375rem);
  width: auto;
  transform: none;
  align-items: flex-start;
  text-align: start;
  gap: 0;
  z-index: 2;
}
html.erbi-m body.is-sec .erbi-hero__bottom { transform: translateY(.625rem); }
html.erbi-m .erbi-ai { display: flex; flex-direction: column; align-items: flex-start; width: 100%; }
html.erbi-m .erbi-mhome__eyebrow {
  display: block;
  margin-bottom: .75rem;
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .42em;
  text-transform: uppercase;
  color: var(--accent);
}
html.erbi-m .erbi-ai__line {
  width: 100%;
  min-height: 2.9em;
  font-size: clamp(1.125rem, 5.4vw, 1.4375rem);
  line-height: 1.45;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-align: start;
}
html.erbi-m .erbi-mhome__tap {
  display: block;
  margin: 1.25rem 0 .625rem;
  font-size: .59rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--dim);
}
html.erbi-m .erbi-ai__pills {
  justify-content: flex-start;
  flex-wrap: nowrap;
  gap: .5rem;
  width: calc(100% + 2 * var(--m-gutter));
  margin: 0 calc(-1 * var(--m-gutter));
  padding: .125rem var(--m-gutter);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
html.erbi-m .erbi-ai__pills::-webkit-scrollbar { display: none; }
html.erbi-m .erbi-pill {
  flex-shrink: 0;
  padding: .5rem .8125rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .66);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  font-size: .75rem;
  color: var(--muted);
}
html.erbi-m .erbi-pill:active { border-color: rgba(12, 126, 112, .35); color: var(--ink); }
html.erbi-m .erbi-mhome__like {
  display: inline-flex;
  align-items: center;
  gap: .4375rem;
  margin-top: 1.25rem;
  font-size: .656rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--dim);
}
html.erbi-m .erbi-mhome__kbd {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 3px 7px;
  border: 1px solid currentColor;
  border-radius: 5px;
  font-size: .86em;
  letter-spacing: .08em;
  opacity: .85;
}
html.erbi-m body.is-liked .erbi-mhome__like { color: var(--accent); }

/* ── Sections as white pages ── */
html.erbi-m .erbi-sections {
  position: fixed;
  inset: 0;
  z-index: 120;
  overflow-y: auto;
  overflow-x: hidden;
  background: #fff;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
}
html.erbi-m .erbi-sections::-webkit-scrollbar { display: none; }
html.erbi-m .erbi-sections.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
html.erbi-m .erbi-sec {
  position: relative;
  inset: auto;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  min-height: 100%;
  padding: calc(var(--m-top) + var(--m-sat) + 1.25rem) var(--m-gutter) calc(var(--m-nav) + var(--m-sab) + 2.5rem);
}
html.erbi-m .erbi-sec[hidden] { display: none; }

/* page header: eyebrow · big title · deck */
html.erbi-m .erbi-sec__head { flex-direction: column; align-items: stretch; gap: 0; padding-bottom: .25rem; }
html.erbi-m .erbi-sec__id { padding-top: 0; font-size: .6875rem; letter-spacing: .42em; }
html.erbi-m .erbi-sec__title {
  display: block;
  margin: .8125rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.0625rem, 11vw, 3rem);
  letter-spacing: -.035em;
  line-height: .98;
  color: var(--ink);
}
html.erbi-m .erbi-sec__line { max-width: none; margin-top: .75rem; font-size: 1rem; line-height: 1.5; text-wrap: balance; }

/* columns stack; no scrolling of their own */
html.erbi-m .erbi-col, html.erbi-m .erbi-col--wide, html.erbi-m .erbi-col--narrow, html.erbi-m .erbi-col--l, html.erbi-m .erbi-col--r {
  width: auto;
  gap: .875rem;
  margin: 0;
  padding: 0;
  overflow: visible;
  -webkit-mask-image: none; mask-image: none;
}
html.erbi-m .erbi-col__label { margin: .75rem 0 .125rem; font-size: .625rem; letter-spacing: .16em; }

/* glass cards become flat ink-on-white */
html.erbi-m .erbi-sec .erbi-glass {
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  -webkit-backdrop-filter: none; backdrop-filter: none;
  isolation: auto;
}
html.erbi-m .erbi-sec .erbi-glass::before, html.erbi-m .erbi-sec .erbi-glass::after { display: none; }
/* …except the message card, the stats and the find rows, which keep a soft fill */
html.erbi-m .erbi-sec :is(.erbi-msg, .erbi-find, .erbi-profile, .erbi-stat, .erbi-manifest, .erbi-note, .erbi-case__media, .erbi-case__body) {
  border-radius: var(--r-card);
  background: var(--fill);
}

/* work / product / tool cards → index rows: thumb · number · text, hairline dividers */
html.erbi-m .erbi-cards { display: flex; flex-direction: column; gap: 0; }
html.erbi-m .erbi-wcard {
  display: grid;
  grid-template-columns: 3.625rem 1fr;
  gap: .875rem;
  align-items: center;
  padding: .8125rem 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
}
html.erbi-m .erbi-cards .erbi-wcard:last-child { border-bottom: 1px solid var(--line); }
html.erbi-m .erbi-wcard__thumb {
  position: relative;
  width: 3.625rem; height: 3.625rem;
  min-height: 0;
  border-radius: var(--r-control);
  background: var(--fill);
  overflow: hidden;
  display: grid; place-items: center;
}
html.erbi-m .erbi-wcard__thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
html.erbi-m .erbi-wcard__thumb > b:not(.erbi-wcard__glyph) { font-size: .625rem; letter-spacing: .16em; color: var(--dim); }
html.erbi-m .erbi-wcard__thumb > .erbi-wcard__glyph { width: 100%; height: 100%; border-radius: var(--r-control); box-shadow: none; }
html.erbi-m .erbi-wcard__glyph { font-size: 1.375rem; }
html.erbi-m .erbi-wcard__body { display: flex; flex-direction: column; gap: .2rem; min-width: 0; padding: 0; }
html.erbi-m .erbi-wcard__meta { font-size: .5625rem; letter-spacing: .14em; }
html.erbi-m .erbi-wcard__title { font-size: 1rem; line-height: 1.2; }
html.erbi-m .erbi-wcard__sum { font-size: .8125rem; line-height: 1.45; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
html.erbi-m .erbi-wcard__chips { margin-top: .25rem; }

/* services timeline (Work) → same divider rhythm */
html.erbi-m .erbi-track__item { padding: .8125rem 0; border-top: 1px solid var(--line); }
html.erbi-m .erbi-track__item:last-child { border-bottom: 1px solid var(--line); }

/* About: stats as spec rows */
html.erbi-m .erbi-stats { grid-template-columns: 1fr; gap: 0; border-radius: var(--r-card); background: var(--fill); }
html.erbi-m .erbi-sec .erbi-stat {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 1.125rem;
  border-top: 1px solid var(--line);
  background: transparent;
  border-radius: 0;
}
html.erbi-m .erbi-stats .erbi-stat:first-child { border-top: 0; }
html.erbi-m .erbi-stat__n { min-width: 5.25rem; font-family: var(--font-display); font-size: 2rem; font-weight: 700; letter-spacing: -.04em; line-height: .95; color: var(--accent); }
html.erbi-m .erbi-stat__l { font-size: .65625rem; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
html.erbi-m .erbi-about__name { font-size: clamp(2.25rem, 12vw, 3.25rem); }

/* case study = full-screen sheet with its own scroller */
html.erbi-m .erbi-sec.is-case { padding-top: 0; }
html.erbi-m .erbi-case {
  position: fixed;
  inset: 0;
  z-index: 170; /* above the top bar and the tab bar: a sheet with its own back pill */
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: auto;
  margin: 0;
  padding: calc(var(--m-sat) + .875rem) var(--m-gutter) calc(var(--m-sab) + 2.75rem);
  overflow-y: auto;
  background: #fff;
  scrollbar-width: none;
}
html.erbi-m .erbi-case::-webkit-scrollbar { display: none; }
html.erbi-m .erbi-case[hidden] { display: none; }
html.erbi-m .erbi-back { padding: .5625rem .9375rem; font-size: .6rem; background: var(--fill); }
html.erbi-m .erbi-case__media { padding: 0; overflow: hidden; }
html.erbi-m .erbi-case__body { padding: 1.125rem 1.125rem 1.25rem; }

/* chat: full-height sheet over the frame, follows the keyboard */
html.erbi-m #cwPanel.cw-panel, html.erbi-m [dir="rtl"] #cwPanel.cw-panel {
  z-index: 200;
  top: 0; bottom: 0;
  height: 100dvh; max-height: none;
  border-radius: 0;
  border: 0;
  padding-top: var(--m-sat);
  background: #fff;
  box-shadow: none;
}

/* the document scrolls one pixel so Chrome still offers pull-to-refresh on Home */
html.erbi-m { overflow: visible; }
html.erbi-m body { overflow-x: hidden; overflow-y: auto; height: auto; min-height: calc(100dvh + 1px); }

/* Arabic / Kurdish: the new mono-styled bits drop the Latin tracking too */
:is(.lang-ar, .lang-ku) :is(.erbi-mtab__l, .erbi-mtel, .erbi-mhome__eyebrow, .erbi-mhome__tap, .erbi-mhome__like, .erbi-mtilt__go, .erbi-sec__title) { letter-spacing: 0; }
:is(.lang-ar, .lang-ku) .erbi-mtop__mark { letter-spacing: -.03em; }

@media (prefers-reduced-motion: reduce) {
  html.erbi-m .erbi-mtel__dot { animation: none; }
  html.erbi-m .erbi-mnav__pill { transition: none; }
}

/* case sheet open: the bars step out of the way (the sheet lives inside the sections layer) */
html.erbi-m body.is-case :is(.erbi-mtop, .erbi-mnav, .erbi-mtilt) { opacity: 0 !important; pointer-events: none !important; }
html.erbi-m body.is-sec .erbi-mtilt { display: none; }
html.erbi-m .erbi-wcard__thumb--tint { background:
    radial-gradient(color-mix(in srgb, var(--c, var(--accent)) 45%, rgba(13, 20, 23, .2)) 1px, transparent 1.3px) 0 0 / 0.625rem 0.625rem,
    linear-gradient(160deg, color-mix(in srgb, var(--c, var(--accent)) 22%, #fff), color-mix(in srgb, var(--c, var(--accent)) 8%, #E4EAF1)); }

/* phone: chip rows wrap instead of clipping */
html.erbi-m .erbi-wcard__chips { flex-wrap: wrap; overflow: visible; row-gap: .375rem; }

/* ── Phone: ERBI suggests the chat ──
   1. the top-bar ask button is solid teal with a pulsing ring
   2. an "ask erbi" accent chip leads the chip row
   3. a speech bubble pinned beside his head (erbi.js follows ERBI.head()) */
.erbi-mbub { display: none; }
html.erbi-m .erbi-mtop__btn--accent {
  position: relative;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 22px -6px color-mix(in srgb, var(--accent) 60%, transparent);
}
html.erbi-m .erbi-mtop__btn--accent::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 45%, transparent);
  animation: erbi-ring 2.8s ease-out infinite;
  pointer-events: none;
}
@keyframes erbi-ring { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 45%, transparent); } 70% { box-shadow: 0 0 0 .8rem transparent; } 100% { box-shadow: 0 0 0 .8rem transparent; } }
html.erbi-m .erbi-pill--ask {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 500;
  box-shadow: 0 8px 22px -8px color-mix(in srgb, var(--accent) 55%, transparent);
}
html.erbi-m .erbi-pill--ask .erbi-ask__dot { background: #fff; box-shadow: 0 0 0 3px rgba(255, 255, 255, .28); }
html.erbi-m .erbi-pill--ask:active { color: #fff; border-color: var(--accent); }
.erbi-pill--ask .erbi-ask__dot { background: var(--accent); }

html.erbi-m .erbi-mbub {
  display: inline-flex;
  position: fixed;
  left: 0; top: 0;
  z-index: 140;
  align-items: center;
  gap: .625rem;
  max-width: min(17rem, calc(100vw - 2 * var(--m-gutter)));
  padding: .75rem .75rem .75rem 1rem;
  border-radius: 1.125rem;
  background: rgba(255, 255, 255, .9);
  -webkit-backdrop-filter: blur(14px) saturate(160%); backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, .9);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: .9rem;
  font-weight: 500;
  line-height: 1.3;
  text-align: start;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, .95), 0 1rem 2.25rem rgba(40, 60, 90, .16), 0 .25rem .75rem rgba(40, 60, 90, .08);
  opacity: 0;
  scale: .92;
  transition: opacity .3s cubic-bezier(.16, 1, .3, 1), scale .3s cubic-bezier(.16, 1, .3, 1);
  transform-origin: bottom center;
}
html.erbi-m .erbi-mbub[hidden] { display: none; }
html.erbi-m .erbi-mbub.is-in { opacity: 1; scale: 1; }
html.erbi-m .erbi-mbub::before {           /* the tail, down toward his head */
  content: "";
  position: absolute;
  bottom: -.45rem; left: var(--tail, 50%);
  width: .9rem; height: .9rem;
  margin-left: -.45rem;
  background: rgba(255, 255, 255, .95);
  border-right: 1px solid rgba(40, 60, 90, .12);
  border-bottom: 1px solid rgba(40, 60, 90, .12);
  border-radius: .15rem;
  transform: rotate(45deg);
}
html.erbi-m .erbi-mbub__go {
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  width: 1.75rem; height: 1.75rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
}
[dir="rtl"] .erbi-mbub__go svg { transform: scaleX(-1); }
html.erbi-m .erbi-mbub:active { scale: .96; }
@media (prefers-reduced-motion: reduce) { html.erbi-m .erbi-mtop__btn--accent::after { animation: none; } }