/* ============================================================
   MyChatBot.dev — brand lockup
   MC monogram + B2 colour-coded wordmark.
   Loaded after prototype.css on the homepage.
   ============================================================ */

.svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* ---------- Lockup ---------- */
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}
.brand-mark {
  width: 24px;
  height: 24px;
  flex: none;
  display: block;
}
.brand-mark--nav {
  --tile-bg: #0b0c0a;
  --tile-mark: #f3f5ef;
  --tile-accent: #19e76e;
}
.brand-mark--footer {
  --tile-bg: #f3f5ef;
  --tile-mark: #0b0c0a;
  --tile-accent: #19e76e;
}
.brand-mark--og {
  width: 96px;
  height: 96px;
  --tile-bg: #0b0c0a;
  --tile-mark: #f3f5ef;
  --tile-accent: #19e76e;
}

.brand-wordmark {
  --bw-my: var(--ink);
  --bw-chat: #0a7a3e;
  --bw-dev: #8b9785;

  display: inline-flex;
  align-items: baseline;
  gap: 0;
  min-width: 0;
  color: var(--bw-my);
  font-family: var(--sans);
  font-weight: 550;
  letter-spacing: -.045em;
  line-height: .9;
  white-space: nowrap;
}
.brand-wordmark .bw-my { color: var(--bw-my); }
.brand-wordmark .bw-chat,
.brand-wordmark .bw-bot { color: var(--bw-chat); }
.brand-wordmark .bw-dev {
  margin-left: .07em;
  color: var(--bw-dev);
  font-family: var(--mono);
  font-size: max(.32em, 8px);
  font-weight: 500;
  letter-spacing: .01em;
  line-height: 1;
}

.brand-wordmark--nav { font-size: 17px; }
.brand-wordmark--footer {
  font-size: 18px;
  --bw-my: var(--paper);
  --bw-chat: #19e76e;
  --bw-dev: #7f8a7b;
}
.brand-wordmark--xl {
  font-size: clamp(64px, 13.2vw, 220px);
  letter-spacing: -.075em;
  line-height: .78;
  --bw-my: var(--paper);
  --bw-chat: #19e76e;
  --bw-dev: #7f8a7b;
}
.brand-wordmark--og {
  font-size: 86px;
  letter-spacing: -.06em;
  --bw-my: var(--ink);
  --bw-chat: #0a7a3e;
  --bw-dev: #8b9785;
}

/* Specificity against the old prototype brand styles */
.pnav__brand .brand-mark { width: 24px; height: 24px; }
.footer__brand .brand-mark { width: 24px; height: 24px; }

/* ---------- Mobile navigation ---------- */
.pnav__toggle {
  display: none;
  margin-left: auto;
  padding: 8px 12px;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
  line-height: 1;
  text-transform: uppercase;
  cursor: pointer;
}
.pnav__menu-cta { display: none; }

@media (max-width: 980px) {
  .pnav__links { display: none; }
  .pnav__toggle { display: block; }
  .pnav__cta { display: none; }
  .pnav__links.open {
    display: flex;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    z-index: 60;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px 24px 20px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }
  .pnav__links.open a { padding: 12px 10px; }
  .pnav__links.open .pnav__menu-cta {
    display: inline-flex;
    justify-content: center;
    margin-top: 8px;
  }
}

@media (max-width: 700px) {
  .brand-wordmark--xl { font-size: clamp(40px, 12vw, 64px); }
  .pnav__toggle { padding: 7px 10px; }
  .pnav__links.open { padding-inline: 14px; }
}