[hidden] { display: none !important; }
/* aivancity Tech Club × GDG on Campus aivancity
   Palette and type follow the GDG on Campus brand guide. */

:root {
  --blue: #4285f4;   --green: #34a853;   --yellow: #f9ab00;   --red: #ea4335;
  --ht-blue: #57caff; --ht-green: #5cdb6d; --ht-yellow: #ffd427; --ht-red: #ff7daf;
  --p-blue: #c3ecf6; --p-green: #ccf6c5; --p-yellow: #ffe7a5; --p-red: #f8d8d8;
  --off-white: #f0f0f0; --black: #1e1e1e;

  --bg: var(--off-white);
  --surface: #ffffff;
  --ink: var(--black);
  --ink-soft: #4a4a4a;
  --line: var(--black);
  --accent: var(--blue);

  --sans: "Google Sans", "Google Sans Text", "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Google Sans Code", "Google Sans Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --radius: 28px;
  --stroke: 2px;
  --wrap: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: var(--black);
    --surface: #2a2a2a;
    --ink: var(--off-white);
    --ink-soft: #bdbdbd;
    --line: #f0f0f0;
    --accent: var(--ht-blue);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.mono { font-family: var(--mono); }

/* ---------- header ---------- */
.site-header { padding: 18px 0; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 44px; height: 44px; border-radius: 12px; }
.brand span { font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em; }
.nav { display: flex; gap: 6px; flex-wrap: wrap; }
.nav a {
  text-decoration: none; font-size: 0.95rem; padding: 8px 14px;
  border-radius: 999px; border: var(--stroke) solid transparent;
}
.nav a:hover, .nav a[aria-current="page"] { border-color: var(--line); }

/* ---------- hero ---------- */
.hero { padding: 40px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 40px; align-items: center; }
.eyebrow { font-family: var(--mono); font-size: 0.9rem; color: var(--ink-soft); margin: 0 0 14px; }
.hero h1 {
  font-size: clamp(2.6rem, 6.4vw, 5.2rem);
  line-height: 1.02; letter-spacing: -0.035em; font-weight: 400; margin: 0 0 22px;
}
.hero h1 b { font-weight: 700; }
.hero p.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 34ch; margin: 0 0 28px; }
.btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px; border: var(--stroke) solid var(--line);
  text-decoration: none; font-weight: 700; font-size: 1rem;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--line); }
.btn-primary { background: var(--blue); color: #fff; border-color: var(--black); }
.btn-ghost { background: transparent; color: var(--ink); }

/* meeting card */
.meet-card {
  background: var(--p-yellow); color: var(--black);
  border: var(--stroke) solid var(--black); border-radius: var(--radius);
  padding: 30px; position: relative; overflow: hidden;
}
.meet-card .label { font-family: var(--mono); font-size: 0.85rem; margin: 0 0 6px; }
.meet-card .day { font-size: clamp(2.4rem, 5vw, 3.4rem); font-weight: 700; line-height: 1; letter-spacing: -0.03em; margin: 0; }
.meet-card .time { font-size: clamp(1.6rem, 3.4vw, 2.2rem); margin: 6px 0 18px; letter-spacing: -0.02em; }
.meet-card .room {
  display: inline-flex; align-items: center; gap: 8px; background: #fff;
  border: var(--stroke) solid var(--black); border-radius: 999px; padding: 8px 16px; font-weight: 700;
}
.dots { display: flex; gap: 10px; margin-top: 22px; }
.dots i { width: 34px; height: 34px; border-radius: 50%; border: var(--stroke) solid var(--black); }
.dots i:nth-child(1) { background: var(--blue); }
.dots i:nth-child(2) { background: var(--red); }
.dots i:nth-child(3) { background: var(--green); }
.dots i:nth-child(4) { background: var(--yellow); }

/* ---------- sections ---------- */
section { padding: 56px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 28px; flex-wrap: wrap; }
h2 { font-size: clamp(2rem, 4.2vw, 3rem); line-height: 1.05; letter-spacing: -0.03em; font-weight: 400; margin: 0; }
h2 b { font-weight: 700; }

/* two groups */
.groups { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.group {
  border: var(--stroke) solid var(--black); border-radius: var(--radius);
  padding: 30px; color: var(--black);
}
.group.tech { background: var(--p-blue); }
.group.gdg { background: var(--p-green); }
.group h3 { font-size: 1.6rem; margin: 14px 0 8px; letter-spacing: -0.02em; }
.group p { margin: 0 0 14px; }
.group ul { margin: 0; padding-left: 1.1em; }
.group .logo-tech { width: 64px; height: 64px; border-radius: 16px; border: var(--stroke) solid var(--black); }
.gdg-lockup { display: flex; align-items: center; gap: 12px; }
.gdg-lockup img { width: 82px; }
.gdg-lockup .t1 { font-size: 1.15rem; line-height: 1.1; }
.gdg-lockup .t2 { color: #1a73e8; font-size: 1rem; }

/* schedule */
.session-list { display: grid; gap: 14px; }
.session {
  display: grid; grid-template-columns: 92px 1fr; gap: 20px; align-items: start;
  background: var(--surface); border: var(--stroke) solid var(--line);
  border-radius: 22px; padding: 18px 22px;
}
.session.is-next { box-shadow: 6px 6px 0 var(--line); }
.session.is-past { opacity: .6; }
.session-date {
  border: var(--stroke) solid var(--black); border-radius: 18px; text-align: center;
  padding: 10px 0; color: var(--black);
}
.track-tech .session-date { background: var(--p-blue); }
.track-gdg .session-date { background: var(--p-green); }
.track-event .session-date { background: var(--p-red); }
.session-date .d { display: block; font-size: 2rem; font-weight: 700; line-height: 1; }
.session-date .m { display: block; font-family: var(--mono); font-size: .85rem; text-transform: uppercase; }
.session-meta { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font-family: var(--mono); font-size: .78rem; border: 1.5px solid var(--line);
  border-radius: 999px; padding: 2px 10px;
}
.chip-next { background: var(--yellow); color: var(--black); border-color: var(--black); }
.session h3 { margin: 8px 0 4px; font-size: 1.3rem; letter-spacing: -0.015em; }
.session h3.tbd { color: var(--ink-soft); font-weight: 400; font-style: italic; }
.session p { margin: 0 0 4px; }
.session .where { font-family: var(--mono); font-size: .85rem; color: var(--ink-soft); }
.session-link { font-weight: 700; color: var(--accent); }
.session-cta { margin-top: 4px; min-height: 44px; font-size: .95rem; }
.empty { font-size: 1.1rem; }

/* join */
.join {
  background: var(--blue); color: #fff; border: var(--stroke) solid var(--black);
  border-radius: var(--radius); padding: 40px; display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center;
}
.join h2 { color: #fff; }
.join p { margin: 12px 0 0; max-width: 46ch; }
.join .btn { background: #fff; color: var(--black); border-color: var(--black); }

/* footer */
.site-footer { padding: 40px 0 60px; color: var(--ink-soft); font-size: .95rem; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.site-footer .mono { font-size: .85rem; }

/* page header (schedule page) */
.page-head { padding: 30px 0 10px; }
.page-head h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); letter-spacing: -0.035em; line-height: 1.02; margin: 0 0 14px; font-weight: 400; }
.page-head h1 b { font-weight: 700; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-family: var(--mono); font-size: .85rem; margin-top: 18px; }
.legend span { display: inline-flex; align-items: center; gap: 8px; }
.legend i { width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid var(--line); }

@media (max-width: 820px) {
  .hero-grid, .groups, .join { grid-template-columns: 1fr; }
  .hero { padding-top: 16px; }
  .session { grid-template-columns: 70px 1fr; gap: 14px; padding: 16px; }
  .session-date .d { font-size: 1.6rem; }
  .join { padding: 28px; }
  .nav a { padding: 6px 10px; }
  .brand span { display: none; }
}

/* ---------- polish (navigation, focus, rhythm, small screens) ---------- */
:root { --header-h: 70px; }
.skip { position: absolute; left: 16px; top: -64px; z-index: 100; background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 999px; font-weight: 700; text-decoration: none; }
.skip:focus { top: calc(12px + env(safe-area-inset-top, 0px)); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
h1, h2, h3 { text-wrap: balance; }
p, li { text-wrap: pretty; }
a { text-underline-offset: 3px; }

.site-header { position: sticky; top: 0; z-index: 20; padding: calc(12px + env(safe-area-inset-top, 0px)) 0 12px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(1.6) blur(16px); backdrop-filter: saturate(1.6) blur(16px);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 10%, transparent); }
.nav a { transition: background-color .15s ease, color .15s ease, border-color .15s ease; }
.nav a:hover { border-color: var(--line); }
.nav a.nav-cta { background: var(--ink); color: var(--bg); border-color: var(--ink); font-weight: 700; }
.nav a.nav-cta:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.btn-primary { background: #1a73e8; }
.btn { transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease; }
.btn:active { transform: none; box-shadow: none; }
.page-head .lede { font-size: 1.15rem; color: var(--ink-soft); margin: 0; max-width: 60ch; }
.meet-card .room svg { flex: none; }

.site-footer .wrap > span { display: inline-flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; }
.site-footer a { color: inherit; }

@media (max-width: 820px) {
  .site-header .wrap { gap: 10px; }
  .nav { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { flex: none; }
}
@media (max-width: 600px) {
  /* two rows on phones: logo on top, every menu item visible underneath */
  .site-header { padding-bottom: 8px; }
  .site-header .wrap { flex-wrap: wrap; row-gap: 8px; }
  .brand span { display: inline; font-size: .95rem; }
  .brand img { width: 36px; height: 36px; }
  .nav { width: 100%; justify-content: space-between; gap: 4px; }
  .nav a { padding: 7px 10px; font-size: .9rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
  .btn:hover { transform: none; }
}

/* ---------- language switch ---------- */
.lang-toggle { flex: none; font: 700 .8rem/1 var(--mono); letter-spacing: .04em; color: var(--ink); background: transparent;
  border: var(--stroke) solid var(--line); border-radius: 999px; padding: 0 12px; min-height: 38px; min-width: 44px; cursor: pointer;
  transition: background-color .15s ease, color .15s ease; }
.lang-toggle:hover { background: var(--ink); color: var(--bg); }
.nav { align-items: center; }
@media (max-width: 600px) {
  /* phones: the switch sits on the logo row, so the menu row keeps room for every link */
  .site-header .wrap { position: relative; }
  .site-header .lang-toggle { position: absolute; right: 20px; top: 0; min-height: 40px; padding: 0 10px; }
  .nav a { padding: 7px 8px; }
  .site-header .nav-cta { position: absolute; right: 72px; top: 0; min-height: 40px; display: inline-flex; align-items: center; }
  .nav { justify-content: flex-start; }
}
@media (max-width: 420px) { .brand span { display: none; } }

/* ---------- forms (apply, feedback) ---------- */
.form-card { background: var(--surface); border: var(--stroke) solid var(--line); border-radius: var(--radius); padding: clamp(20px, 4vw, 36px); }
.form-grid { display: grid; gap: 22px; }
.field { display: grid; gap: 8px; }
.field > label, .field > .label, fieldset > legend { font-weight: 700; font-size: 1rem; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
fieldset > legend { padding: 0; margin-bottom: 10px; }
.help { font-size: .88rem; color: var(--ink-soft); margin: 0; }
.input, .textarea, .select { width: 100%; font: inherit; font-size: 1rem; color: var(--ink); background: var(--bg);
  border: var(--stroke) solid color-mix(in srgb, var(--line) 35%, transparent); border-radius: 14px; padding: 12px 14px; min-height: 48px;
  transition: border-color .15s ease, box-shadow .15s ease; }
.textarea { min-height: 140px; resize: vertical; line-height: 1.5; }
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent); }
.input[aria-invalid="true"], .textarea[aria-invalid="true"] { border-color: var(--red); }
.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.choice span { display: inline-flex; align-items: center; gap: 6px; min-height: 42px; padding: 8px 16px; border-radius: 999px; font-size: .95rem;
  border: var(--stroke) solid color-mix(in srgb, var(--line) 35%, transparent); background: var(--bg); transition: background-color .15s ease, border-color .15s ease, color .15s ease; }
.choice input:checked + span { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.choice input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }
.rating { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.rating .choice span { width: 100%; justify-content: center; flex-direction: column; gap: 2px; min-height: 64px; border-radius: 16px; padding: 8px 4px; text-align: center; }
.rating .choice b { font-size: 1.3rem; line-height: 1; }
.rating .choice small { font-size: .72rem; line-height: 1.2; }
.check { display: grid; grid-template-columns: 22px 1fr; gap: 12px; align-items: start; font-size: .95rem; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--ink); }
.notice { border-radius: 16px; padding: 14px 16px; font-size: .95rem; margin: 0; }
.notice.ok { background: var(--p-green); color: #1e1e1e; }
.notice.bad { background: var(--p-red); color: #1e1e1e; }
.notice.info { background: var(--p-blue); color: #1e1e1e; }
.form-msg:empty { display: none; }
.steps { list-style: none; margin: 24px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 10px; counter-reset: st; }
.steps li { counter-increment: st; display: inline-flex; align-items: center; gap: 8px; font-size: .9rem; color: var(--ink-soft); }
.steps li::before { content: counter(st); display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; font: 700 .8rem var(--mono);
  border: var(--stroke) solid color-mix(in srgb, var(--line) 35%, transparent); }
.steps li.on { color: var(--ink); font-weight: 700; }
.steps li.on::before { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.steps li.done::before { content: "✓"; background: var(--p-green); color: #1e1e1e; border-color: transparent; }
.form-layout { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 32px; align-items: start; }
.form-side { display: grid; gap: 16px; }
.btn[disabled] { opacity: .55; pointer-events: none; }
.wa-btn { background: #25d366; color: #0b3d1e; border-color: #0b3d1e; }
@media (max-width: 820px) { .form-layout { grid-template-columns: 1fr; } .rating .choice small { display: none; } .rating .choice span { min-height: 52px; } }

/* 404: picture beside the text, above it on phones */
.lost { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; align-items: center; }
.lost img { width: min(220px, 40vw); }
@media (max-width: 600px) { .lost { grid-template-columns: 1fr; gap: 8px; } .lost img { grid-row: 1; width: 120px; } }
/* very narrow phones: the four menu links share the row evenly */
@media (max-width: 380px) { .nav { justify-content: space-between; gap: 0; } .nav a { padding: 8px 6px; font-size: .84rem; } }

/* footer sign-off */
.site-footer .made { flex-basis: 100%; margin: 6px 0 0; display: flex; align-items: center; gap: 6px; font-size: .9rem; }
.site-footer .heart { color: #ea4335; flex: none; }

.site-footer .wrap > span.copy { display: inline; }

/* Sign in with Microsoft */
.ms-block { display: grid; gap: 10px; }
.ms-block .help { margin: 0; }
.ms-btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; background: var(--surface); color: var(--ink); border: var(--stroke) solid var(--line); justify-self: start; }
.or { display: flex; align-items: center; gap: 12px; margin: 6px 0 0; font-size: .9rem; color: var(--ink-soft); }
.or::before, .or::after { content: ""; flex: 1; border-top: 1px solid rgba(0,0,0,.15); }

/* already in the club: no "Join" prompts */
.is-member [data-join] { display: none !important; }
html:not(.is-member) [data-member] { display: none !important; }

/* install the app */
.install-btn { font: inherit; font-size: .9rem; font-weight: 700; min-height: 40px; padding: 0 16px; border-radius: 999px; border: var(--stroke) solid var(--line);
  background: var(--surface); color: var(--ink); cursor: pointer; display: inline-flex; align-items: center; gap: 8px; }
.install-btn::before { content: ""; width: 16px; height: 16px; flex: none; background: currentColor;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><path d='M12 3v12M7 10l5 5 5-5M5 21h14'/></svg>") center/contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><path d='M12 3v12M7 10l5 5 5-5M5 21h14'/></svg>") center/contain no-repeat; }
.install-tip { flex-basis: 100%; margin: 0; font-size: .85rem; color: var(--ink-soft); }

/* joining: obvious for visitors, hidden for members */
.nav a.nav-join { border-color: var(--accent); color: var(--accent); font-weight: 700; }
.join-steps { padding-top: 0; }
.join-steps h2 { margin: 0 0 18px; font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 400; letter-spacing: -0.02em; }
.join-steps h2 b { font-weight: 800; }
.steps3 { list-style: none; counter-reset: s; margin: 0 0 22px; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.steps3 li { counter-increment: s; position: relative; background: var(--surface); border: var(--stroke) solid var(--line); border-radius: 22px; padding: 18px 18px 18px 64px; display: grid; gap: 4px; }
.steps3 li::before { content: counter(s); position: absolute; left: 16px; top: 16px; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: var(--p-yellow); color: var(--black); border: var(--stroke) solid var(--black); font-weight: 800; }
.steps3 li b { font-size: 1.05rem; } .steps3 li span { color: var(--ink-soft); font-size: .95rem; }
@media (max-width: 760px) { .steps3 { grid-template-columns: 1fr; } }

/* ---------- profile in the top bar (members) ---------- */
.me-wrap { position: relative; flex: none; }
.me-pill { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 2px 12px 2px 4px; border-radius: 999px;
  border: var(--stroke) solid var(--line); background: var(--surface); color: var(--ink); font: inherit; font-size: .9rem; font-weight: 700; cursor: pointer; }
.me-pill img { width: 32px; height: 32px; object-fit: contain; }
.me-pill:hover, .me-pill[aria-expanded="true"] { background: var(--ink); color: var(--bg); }
.me-name { max-width: 9em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.me-menu { position: absolute; right: 0; top: calc(100% + 8px); z-index: 30; min-width: 230px; display: grid; padding: 8px;
  background: var(--surface); color: var(--ink); border: var(--stroke) solid var(--line); border-radius: 18px; box-shadow: 0 12px 32px rgba(0,0,0,.18); }
.me-menu[hidden] { display: none; }
.me-head { display: flex; align-items: center; gap: 10px; padding: 8px 10px 12px; margin-bottom: 4px; border-bottom: 1px solid color-mix(in srgb, var(--line) 15%, transparent); }
.me-head img { width: 40px; height: 40px; object-fit: contain; }
.me-head b { display: block; }
.me-head span { font-size: .85rem; color: var(--ink-soft); }
.nav .me-menu a { display: block; padding: 10px 12px; border: 0; border-radius: 10px; font-size: .95rem; }
.nav .me-menu a:hover, .nav .me-menu a:focus-visible { background: color-mix(in srgb, var(--ink) 8%, transparent); }
@media (max-width: 820px) { .nav:has(.me-wrap) { overflow: visible; } }
@media (max-width: 600px) {
  /* phones: avatar only, on the logo row between the Mountain button and FR */
  .site-header .me-wrap { position: absolute; right: 72px; top: 0; }
  .me-pill { padding: 2px; width: 44px; justify-content: center; }
  .me-name { display: none; }
  .is-member .site-header .nav-cta { right: 124px; }
}

/* About: where the rules live */
.rules-card { display: flex; align-items: center; justify-content: space-between; gap: 18px 28px; flex-wrap: wrap;
  background: var(--surface); border: var(--stroke) solid var(--line); border-radius: var(--radius); padding: clamp(20px, 4vw, 32px); }
.rules-card h2 { margin: 0 0 8px; font-size: clamp(1.3rem, 3vw, 1.7rem); }
.rules-card p { margin: 0; max-width: 60ch; color: var(--ink-soft); }

/* schedule cards: one calm date tile (the type chip says what it is), and an add-to-calendar link */
.session-date { background: var(--surface) !important; color: var(--ink); }
.session.is-next .session-date { background: var(--yellow) !important; color: #1e1e1e; }
.session-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin-top: 6px !important; }
.cal-btn { font: inherit; font-size: .9rem; font-weight: 700; color: var(--ink); background: none; border: 0; padding: 8px 0; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px; text-decoration: underline; text-underline-offset: 3px; }
.cal-btn::before { content: ""; width: 16px; height: 16px; flex: none; background: currentColor;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'><rect x='3' y='5' width='18' height='16' rx='3'/><path d='M3 10h18M8 3v4M16 3v4M12 13v5M9.5 15.5h5'/></svg>") center/contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'><rect x='3' y='5' width='18' height='16' rx='3'/><path d='M3 10h18M8 3v4M16 3v4M12 13v5M9.5 15.5h5'/></svg>") center/contain no-repeat; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------- audit fixes: contrast and tap targets ---------- */
.nav a.nav-join { color: #1a5fc4; border-color: #1a5fc4; }
@media (prefers-color-scheme: dark) { .nav a.nav-join { color: #8ab4f8; border-color: #8ab4f8; } }
.join { background: #1967d2; }
.gdg-lockup .t2 { color: #1558b0; }
.chip.st-taken, .chip.st-review, .chip.st-stale, .chip.lv-beginner, .chip.lv-intermediate, .chip.lv-advanced { color: #1e1e1e; }
.site-footer a { display: inline-block; padding: 6px 0; }

/* headings that keep their small look but sit at the right level for screen readers */
.group h2.group-h { font-size: 1.6rem; margin: 14px 0 8px; letter-spacing: -0.02em; font-weight: 700; line-height: 1.2; }
h2.side-h { font-size: 1.17rem; margin: 0 0 6px; font-weight: 700; letter-spacing: 0; line-height: 1.3; }

/* top bar: visitors see Sign in + Join, members see Village + Mountain */
.nav a.nav-cta.nav-join { background: #1967d2; color: #fff; border-color: #1967d2; }
.nav a.nav-cta.nav-join:hover { background: #1558b0; border-color: #1558b0; }