/* =====================================================================
   Growth plateau diagnostic (/resources/tools/growth-plateau-diagnostic/).
   Loaded after home-2026.css. Everything is scoped to main.gpd and every class starts with gpd-.
   Colors come from the 2026 tokens in /css/modules/global/header-2026.css, which are scoped to .h26
   and flip under body.dark-theme, so the site's theme toggle drives this page.
   ===================================================================== */

/* ---------- local aliases for the site tokens ---------- */
.gpd {
  --gpd-green: var(--green);
  --gpd-tint: var(--green-tint);
  --gpd-bg: var(--neutral-100);
  --gpd-surface: var(--paper);
  --gpd-line: var(--neutral-200);
  --gpd-line-strong: var(--neutral-300);
  --gpd-muted: var(--neutral-500);
  --gpd-text: var(--neutral-700);
  --gpd-ink: var(--neutral-900);
  --gpd-on-green: #07070F;
  color: var(--gpd-text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  letter-spacing: var(--tracking-body);
}
/* in dark mode neutral-200 sits too close to the surface for hairlines, so step each line up one shade */
body.dark-theme .gpd {
  --gpd-line: var(--neutral-300);
  --gpd-line-strong: color-mix(in srgb, var(--neutral-300) 65%, var(--neutral-500));
}

.gpd [hidden] { display: none !important; }
.gpd :is(h1, h2, h3, h4) { color: var(--gpd-ink); font-weight: 600; letter-spacing: -0.04em; margin: 0; }
.gpd p { margin: 0; }
.gpd a { color: inherit; }
.gpd button { font-family: inherit; letter-spacing: inherit; }
.gpd :focus-visible { outline: 2px solid var(--gpd-green); outline-offset: 3px; }

/* the shared .h26 section rule adds large padding; panels here control their own spacing */
.gpd .gpd-panel { padding: 0; }

.gpd .gpd-wrap { position: relative; z-index: 1; max-width: 800px; margin: 0 auto; padding: calc(68px + 14px + clamp(32px, 5vw, 56px)) 20px 64px; }
@media (max-width: 1080px) { .gpd .gpd-wrap { padding-top: calc(64px + 10px + clamp(28px, 5vw, 48px)); } }

.gpd .gpd-back { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 32px; font-size: 0.9375rem; color: var(--gpd-muted); text-decoration: none; }
.gpd .gpd-back:hover { color: var(--gpd-ink); }
.gpd .gpd-back svg { width: 16px; height: 16px; transform: rotate(180deg); }

/* ---------- buttons ---------- */
.gpd .gpd-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: var(--radius-button); font-weight: 500; font-size: 1rem; line-height: 1.6;
  padding: 12px 20px; border: 1px solid transparent; cursor: pointer; text-decoration: none;
}
.gpd .gpd-btn-primary { background: var(--gpd-green); color: var(--gpd-on-green); }
.gpd .gpd-btn-primary:hover { filter: brightness(1.06); color: var(--gpd-on-green); }
.gpd .gpd-btn-ghost { background: transparent; color: var(--gpd-text); border-color: var(--gpd-line-strong); }
.gpd .gpd-btn-ghost:hover { background: var(--gpd-surface); color: var(--gpd-text); }
.gpd .gpd-btn-link { background: none; border: none; padding: 8px 0; color: var(--gpd-muted); cursor: pointer; font-size: 0.9375rem; }
.gpd .gpd-btn-link:hover { color: var(--gpd-ink); }
.gpd .gpd-btn[disabled] { opacity: .45; cursor: default; }

/* ---------- intro ---------- */
.gpd .gpd-intro h1 { font-size: clamp(2.25rem, 7vw, 3.25rem); line-height: 1.1; }
.gpd .gpd-lede { font-size: 1.1875rem; line-height: 1.5; margin-top: 20px; max-width: 34rem; }
.gpd .gpd-plateau { margin: 40px 0 36px; width: 100%; height: auto; display: block; }
.gpd .gpd-plateau .gpd-axis { stroke: var(--gpd-line-strong); stroke-width: 1; }
.gpd .gpd-plateau .gpd-grow { stroke: var(--gpd-ink); stroke-width: 3; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.gpd .gpd-plateau .gpd-next { stroke: var(--gpd-green); stroke-width: 3; fill: none; stroke-dasharray: 2 8; stroke-linecap: round; }
.gpd .gpd-plateau text { fill: var(--gpd-muted); font-family: var(--font); font-size: 13px; letter-spacing: -0.01em; }
.gpd .gpd-plateau .gpd-flag { fill: var(--gpd-green); }
@media (prefers-reduced-motion: no-preference) {
  .gpd .gpd-plateau .gpd-grow { stroke-dasharray: 900; stroke-dashoffset: 900; animation: gpd-draw 1.6s cubic-bezier(.5,0,.2,1) .2s forwards; }
  .gpd .gpd-plateau .gpd-next, .gpd .gpd-plateau .gpd-flag, .gpd .gpd-plateau .gpd-late { opacity: 0; animation: gpd-fade .6s ease 1.8s forwards; }
}
@keyframes gpd-draw { to { stroke-dashoffset: 0; } }
@keyframes gpd-fade { to { opacity: 1; } }
.gpd .gpd-intro-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.gpd .gpd-meta { color: var(--gpd-muted); font-size: 0.9375rem; }
.gpd .gpd-what-you-get { margin-top: 48px; border-top: 1px solid var(--gpd-line); padding-top: 24px; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); }
.gpd .gpd-what-you-get h3 { font-size: 1rem; line-height: 1.6; letter-spacing: -0.02em; margin-bottom: 4px; }
.gpd .gpd-what-you-get p { font-size: 0.9375rem; }

/* ---------- quiz ---------- */
.gpd .gpd-progress-row { display: flex; justify-content: space-between; align-items: baseline; font-size: 0.875rem; color: var(--gpd-muted); margin-bottom: 8px; }
.gpd .gpd-progress { height: 4px; background: var(--gpd-line); border-radius: 4px; overflow: hidden; margin-bottom: 40px; }
.gpd .gpd-progress span { display: block; height: 100%; background: var(--gpd-green); width: 0; transition: width .3s ease; }
.gpd .gpd-q-title { font-size: clamp(1.5rem, 4.5vw, 2.125rem); line-height: 1.2; max-width: 22ch; }
.gpd .gpd-q-help { margin-top: 12px; max-width: 34rem; }
.gpd .gpd-options { display: grid; gap: 10px; margin-top: 28px; }
.gpd .gpd-opt {
  text-align: left; display: flex; align-items: center; gap: 14px; width: 100%;
  background: var(--gpd-surface); color: var(--gpd-ink); border: 1px solid var(--gpd-line);
  border-radius: var(--radius-callout); padding: 16px 18px; font-size: 1.0625rem; line-height: 1.4; cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.gpd .gpd-opt:hover { border-color: var(--gpd-line-strong); }
.gpd .gpd-opt .gpd-key {
  flex: none; width: 26px; height: 26px; border-radius: 7px; border: 1px solid var(--gpd-line-strong);
  display: grid; place-items: center; font-size: 0.8125rem; color: var(--gpd-muted);
}
.gpd .gpd-opt[aria-checked="true"] { border-color: var(--gpd-green); background: var(--gpd-tint); }
.gpd .gpd-opt[aria-checked="true"] .gpd-key { background: var(--gpd-green); border-color: var(--gpd-green); color: var(--gpd-on-green); }
.gpd .gpd-quiz-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 28px; min-height: 44px; }
.gpd .gpd-kbd-hint { font-size: 0.8125rem; color: var(--gpd-muted); }
@media (hover: none) { .gpd .gpd-kbd-hint { display: none; } }

/* ---------- results ---------- */
.gpd .gpd-r-head { display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: center; }
.gpd .gpd-score { position: relative; width: 132px; height: 132px; }
.gpd .gpd-score svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.gpd .gpd-score .gpd-track { stroke: var(--gpd-line); }
.gpd .gpd-score .gpd-fill { stroke: var(--gpd-green); stroke-linecap: round; transition: stroke-dashoffset 1s cubic-bezier(.5,0,.2,1); }
.gpd .gpd-score .gpd-num { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; }
.gpd .gpd-score .gpd-num b { display: block; font-size: 2.5rem; font-weight: 600; letter-spacing: -0.05em; color: var(--gpd-ink); line-height: 1; }
.gpd .gpd-score .gpd-num small { font-size: 0.8125rem; color: var(--gpd-muted); }
.gpd .gpd-r-head h1 { font-size: clamp(1.75rem, 5vw, 2.5rem); line-height: 1.15; }
.gpd .gpd-r-head p { margin-top: 10px; }
@media (max-width: 520px) { .gpd .gpd-r-head { grid-template-columns: 1fr; } .gpd .gpd-score { width: 112px; height: 112px; } }

.gpd .gpd-section-title { font-size: 1.5rem; line-height: 1.35; margin: 48px 0 6px; }
.gpd .gpd-section-sub { color: var(--gpd-muted); margin-bottom: 20px; }

.gpd .gpd-bcard {
  background: var(--gpd-surface); border: 1px solid var(--gpd-line); border-radius: var(--radius-card);
  padding: 24px; margin-bottom: 16px; border-top: 3px solid var(--gpd-green);
}
.gpd .gpd-bcard .gpd-rank { font-size: 0.875rem; color: var(--gpd-muted); }
.gpd .gpd-bcard h3 { font-size: 1.375rem; line-height: 1.3; margin: 4px 0 12px; }
.gpd .gpd-bcard .gpd-why { margin-bottom: 16px; }
.gpd .gpd-signals { border-top: 1px solid var(--gpd-line); padding-top: 14px; margin-bottom: 16px; }
.gpd .gpd-signals h4, .gpd .gpd-try h4 { margin: 0 0 6px; font-size: 0.875rem; line-height: 1.6; font-weight: 600; color: var(--gpd-ink); letter-spacing: -0.01em; }
.gpd .gpd-signals ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; font-size: 0.9375rem; }
.gpd .gpd-signals li { margin: 0; }
.gpd .gpd-signals li span { color: var(--gpd-muted); }
.gpd .gpd-try { background: var(--gpd-tint); border-radius: var(--radius-callout); padding: 14px 16px; }
.gpd .gpd-try p { font-size: 0.9375rem; }
.gpd .gpd-bcard .gpd-svc { display: inline-block; margin-top: 14px; font-size: 0.9375rem; font-weight: 500; }

.gpd .gpd-bars { display: grid; gap: 12px; background: var(--gpd-surface); border: 1px solid var(--gpd-line); border-radius: var(--radius-card); padding: 24px; }
.gpd .gpd-bar-row { display: grid; grid-template-columns: minmax(9rem, 14rem) 1fr; gap: 16px; align-items: center; font-size: 0.9375rem; }
.gpd .gpd-bar { height: 10px; background: var(--gpd-line); border-radius: 6px; overflow: hidden; }
.gpd .gpd-bar span { display: block; height: 100%; background: var(--gpd-line-strong); border-radius: 6px; transition: width .8s cubic-bezier(.5,0,.2,1); width: 0; }
.gpd .gpd-bar-row.gpd-top .gpd-bar span { background: var(--gpd-green); }
.gpd .gpd-bar-row.gpd-top .gpd-label { color: var(--gpd-ink); font-weight: 500; }
@media (max-width: 520px) { .gpd .gpd-bar-row { grid-template-columns: 1fr; gap: 6px; } }

/* ---------- email form (optional, results are never gated) ---------- */
.gpd .gpd-email { margin-top: 48px; }
.gpd .gpd-email .gpd-section-title { margin-top: 0; }
.gpd .gpd-email-row { display: flex; gap: 12px; flex-wrap: wrap; }
.gpd .gpd-email-row input[type="email"] {
  flex: 1 1 16rem; min-width: 0; width: auto; margin: 0; height: auto; padding: 12px 16px;
  background: var(--gpd-surface); color: var(--gpd-ink); border: 1px solid var(--gpd-line-strong); outline: none;
  border-radius: var(--radius-button); font: 400 1rem/1.6 var(--font); letter-spacing: -0.01em;
}
.gpd .gpd-email-row input[type="email"]::placeholder { color: var(--gpd-muted); }
.gpd .gpd-email-row input[type="email"]:focus { border-color: var(--gpd-green); box-shadow: 0 0 0 3px var(--gpd-tint); }
.gpd .gpd-email-row input[aria-invalid="true"] { border-color: var(--red); }
.gpd .gpd-form-msg { margin-top: 10px; font-size: 0.9375rem; min-height: 1.6em; }
.gpd .gpd-form-msg.gpd-is-error { color: var(--red); }
.gpd .gpd-form-msg.gpd-is-ok { color: var(--gpd-ink); }
/* honeypot: off screen for people, still in the form for bots */
.gpd .gpd-hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.gpd .gpd-cta { margin-top: 48px; padding: 28px; border-radius: var(--radius-card); background: var(--gpd-surface); border: 1px solid var(--gpd-line); }
.gpd .gpd-cta h2 { font-size: 1.5rem; line-height: 1.35; margin-bottom: 8px; }
.gpd .gpd-cta p { margin-bottom: 20px; max-width: 34rem; }
.gpd .gpd-cta .gpd-row { display: flex; gap: 12px; flex-wrap: wrap; }
.gpd .gpd-restart-row { margin-top: 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.gpd .gpd-note { font-size: 0.8125rem; color: var(--gpd-muted); }

/* ---------- written section below the quiz ---------- */
.gpd .gpd-about { position: relative; z-index: 1; max-width: 800px; margin: 0 auto; padding: 48px 20px 96px; border-top: 1px solid var(--gpd-line); }
.gpd .gpd-about h2 { font-size: 1.5rem; line-height: 1.35; margin-bottom: 12px; }
.gpd .gpd-about h3 { font-size: 1.125rem; line-height: 1.4; margin: 28px 0 8px; letter-spacing: -0.02em; }
.gpd .gpd-about p + p { margin-top: 12px; }
.gpd .gpd-about ul { margin: 12px 0 0; padding-left: 1.25rem; display: grid; gap: 4px; }
.gpd .gpd-about li { margin: 0; }