/* ============================================================================
   SAI membership pages (join.html, welcome.html) and the header Join button.
   Built only on SAI's own tokens (sai-tokens.css) and the entry surface (sai-entry.css):
   the same glass, the Fraunces display type, the blue -> purple accent. Nothing invented.
   Universal Network Development LLC · UND Industries   [UND-MARKER: SAI-WEB v1]
   ============================================================================ */

/* the header Join button (left of the moon, on the door and here): an invitation, quieter than Sign up */
.btn-join {
  display: inline-flex; align-items: center; gap: 7px; padding: 8px 15px; border-radius: var(--sai-radius-pill);
  text-decoration: none; font: 600 var(--sai-text-md) var(--sai-font-body); color: var(--sai-text);
  border: 1px solid color-mix(in srgb, var(--sai-purple) 45%, var(--sai-line));
  background: color-mix(in srgb, var(--sai-purple-soft) 38%, transparent);
  transition: background var(--sai-motion-fast) var(--sai-ease), transform var(--sai-motion-fast) var(--sai-ease), border-color var(--sai-motion-fast) var(--sai-ease);
}
.btn-join:hover { background: color-mix(in srgb, var(--sai-purple-soft) 62%, transparent); border-color: var(--sai-purple); transform: translateY(-1px); }
.btn-join svg { width: 15px; height: 15px; flex: none; color: var(--sai-purple); }
.btn-join .join-short { display: none; }
.btn-join[aria-current="page"] { background: color-mix(in srgb, var(--sai-purple-soft) 62%, transparent); }
@media (max-width: 480px) {
  .btn-join { padding: 8px 10px; gap: 5px; }
  .btn-join .join-long { display: none; }
  .btn-join .join-short { display: inline; }
}
/* the narrowest phones: the header keeps every action; the wordmark keeps its mark and drops the letters */
@media (max-width: 400px) { .entry-wm .wmt { display: none; } }

/* ---- the page ---- */
.join {
  position: relative; z-index: 1; box-sizing: border-box; width: min(1140px, 100%); margin: 0 auto;
  padding: 8px 24px 48px; display: grid; gap: 64px;
}
.join-hero { text-align: center; display: grid; justify-items: center; gap: 14px; padding-top: 20px; }
.eyebrow { margin: 0; font: 600 var(--sai-text-xs)/1 var(--sai-font-body); letter-spacing: var(--sai-tracking-caps); text-transform: uppercase; color: var(--sai-muted); }
.join-h1 { margin: 0; max-width: 17ch; font: 600 clamp(32px, 6vw, 50px)/1.05 var(--sai-font-display); letter-spacing: -0.015em; text-wrap: balance; }
.join-sub { margin: 0; max-width: 58ch; color: var(--sai-muted); font-size: var(--sai-text-lg); line-height: 1.55; text-wrap: pretty; }
.join-notice { justify-self: center; margin: 0; padding: 10px 16px; border-radius: var(--sai-radius-md); font-size: var(--sai-text-md);
  background: var(--sai-raised); border: 1px solid var(--sai-line); color: var(--sai-text); }
.join-notice[hidden] { display: none; }
.join-notice.bad { border-color: color-mix(in srgb, var(--sai-bad) 50%, var(--sai-line)); }

.section-head { text-align: center; display: grid; justify-items: center; gap: 10px; }
.section-h2 { margin: 0; font: 600 clamp(24px, 4vw, 34px)/1.12 var(--sai-font-display); letter-spacing: -0.01em; text-wrap: balance; }
.section-sub { margin: 0; max-width: 62ch; color: var(--sai-muted); line-height: 1.6; text-wrap: pretty; }

/* ---- plan cards ---- */
.plans-wrap { display: grid; gap: 18px; }
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: start; }
/* the purchase box: ticked before any plan opens checkout (the server refuses without it) */
.buy-confirm { display: grid; grid-template-columns: 20px 1fr; gap: 12px; align-items: start; max-width: 760px; margin: 0 auto 22px; padding: 14px 18px;
  border: 1px solid var(--sai-line); border-radius: var(--sai-radius-md); background: var(--sai-surface); cursor: pointer;
  font-size: var(--sai-text-sm); line-height: 1.5; color: var(--sai-text); }
.buy-confirm input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--sai-blue); cursor: pointer; }
.buy-confirm a { color: var(--sai-blue); font-weight: 600; text-decoration: none; }
.buy-confirm a:hover { text-decoration: underline; }
.buy-confirm.is-missing { border-color: var(--sai-bad); box-shadow: 0 0 0 3px color-mix(in srgb, var(--sai-bad) 18%, transparent); }
.plans-more { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: start; }
.plan {
  position: relative; display: grid; gap: 16px; align-content: start; padding: 28px 24px 22px; border-radius: var(--sai-radius-xl);
  background: var(--sai-surface); border: 1px solid var(--sai-line); box-shadow: var(--sai-shadow-card);
  transition: transform var(--sai-motion-fast) var(--sai-ease), box-shadow var(--sai-motion-fast) var(--sai-ease);
}
.plan.highlight {
  border: 1.5px solid transparent;
  background: linear-gradient(var(--sai-surface), var(--sai-surface)) padding-box,
              linear-gradient(140deg, var(--sai-blue), var(--sai-purple) 55%, var(--sai-orange)) border-box;
  box-shadow: 0 22px 60px color-mix(in srgb, var(--sai-purple) 26%, transparent), var(--sai-shadow-card);
}
.plan.highlight::after {   /* a soft bloom in the top corner, the same glow the app's feature tiles carry */
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(70% 45% at 85% 0%, var(--sai-bloom-blue), transparent 70%);
}
.plan.compact { padding: 22px 22px 20px; gap: 12px; box-shadow: none; }
.plan-badge {
  position: absolute; top: -12px; left: 22px; padding: 6px 12px; border-radius: var(--sai-radius-pill);
  font: 600 11px/1 var(--sai-font-body); letter-spacing: 0.07em; text-transform: uppercase; color: var(--sai-ink-on-soft);
  background: linear-gradient(135deg, var(--sai-blue-soft), var(--sai-purple-soft));
  box-shadow: 0 6px 18px color-mix(in srgb, var(--sai-purple) 22%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.45);
}
.plan-head { display: grid; gap: 6px; position: relative; z-index: 1; }
.plan-name { margin: 0; font: 600 var(--sai-text-xl)/1.15 var(--sai-font-display); }
.plan-tag { margin: 0; color: var(--sai-muted); line-height: 1.45; }
.plan-price { display: flex; align-items: baseline; gap: 7px; flex-wrap: wrap; position: relative; z-index: 1; }
.plan-price b { font: 600 42px/1 var(--sai-font-display); letter-spacing: -0.025em; }
.plan-price span { color: var(--sai-muted); font-size: var(--sai-text-md); }
.plan-price.soft b { font-size: 26px; }
.plan-sum { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; position: relative; z-index: 1; }
.plan-sum li { display: grid; grid-template-columns: 18px 1fr; gap: 10px; align-items: start; line-height: 1.45; }
.plan-sum li::before {   /* a check in the brand gradient (a mask, so it takes the theme's colors in light and dark) */
  content: ""; width: 18px; height: 18px; margin-top: 2px;
  background: linear-gradient(135deg, var(--sai-blue), var(--sai-purple));
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / contain no-repeat;
}
.plan-cta {
  position: relative; z-index: 1; width: 100%; padding: 12px 18px; border-radius: var(--sai-radius-pill); cursor: pointer;
  font: 600 var(--sai-text-md) var(--sai-font-body); text-align: center; text-decoration: none; display: inline-block; box-sizing: border-box;
  color: var(--sai-text); background: var(--sai-raised); border: 1px solid var(--sai-line);
  transition: transform var(--sai-motion-fast) var(--sai-ease), box-shadow var(--sai-motion-fast) var(--sai-ease), background var(--sai-motion-fast) var(--sai-ease);
}
.plan-cta:hover:not([disabled]) { transform: translateY(-1px); box-shadow: var(--sai-shadow-card); }
.plan-cta.primary { color: var(--sai-ink-on-soft); border-color: transparent; background: linear-gradient(135deg, var(--sai-blue-soft), var(--sai-purple-soft));
  box-shadow: 0 6px 20px color-mix(in srgb, var(--sai-purple) 22%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.45); }
.plan-cta[disabled] { cursor: not-allowed; opacity: 0.62; }
.plan-cta:focus-visible, .plan-more-btn:focus-visible, .btn-join:focus-visible { outline: none; box-shadow: var(--sai-focus); }
.plan-status { margin: -6px 0 0; font-size: var(--sai-text-sm); color: var(--sai-muted); text-align: center; min-height: 0; }
.plan-status.bad { color: var(--sai-bad); }
.plan-status:empty { display: none; }
.plan-more-btn {
  position: relative; z-index: 1; justify-self: start; display: inline-flex; align-items: center; gap: 6px; padding: 2px 0;
  background: none; border: 0; cursor: pointer; color: var(--sai-blue); font: 600 var(--sai-text-sm) var(--sai-font-body);
}
.plan-more-btn svg { width: 14px; height: 14px; transition: transform var(--sai-motion-fast) var(--sai-ease); }
.plan-more-btn[aria-expanded="true"] svg { transform: rotate(180deg); }
.plan-details { position: relative; z-index: 1; display: grid; gap: 16px; padding-top: 16px; border-top: 1px solid var(--sai-line); }
.plan-details[hidden] { display: none; }

/* "Read more" opens the plan in a dialog over a frosted backdrop (Alex 2026-10-03: unfolding inside the card stretched it far
   below its neighbours and broke the grid). The dialog shows the same .plan card, details open, scrolling inside itself. */
.plan-dialog { width: min(560px, calc(100vw - 32px)); max-height: calc(100dvh - 48px); padding: 0; border: 0; background: transparent; color: inherit; overflow: visible; }
.plan-dialog::backdrop {
  background: color-mix(in srgb, #05070f 55%, transparent);
  -webkit-backdrop-filter: blur(12px) saturate(1.2); backdrop-filter: blur(12px) saturate(1.2);
}
.plan-dialog .plan.full { max-height: calc(100dvh - 48px); overflow-y: auto; overscroll-behavior: contain; padding: 34px 28px 26px; }
.plan-dialog .plan.full .plan-details { padding-top: 18px; }
/* the purchase confirmation: opens from a plan button, the last step before Stripe (Alex 2026-10-03) */
.buy-dialog { width: min(480px, calc(100vw - 32px)); padding: 30px 28px 24px; border: 1px solid var(--sai-line);
  border-radius: var(--sai-radius-lg); background: var(--sai-surface); color: inherit; box-shadow: var(--sai-glass-shadow); text-align: left; }
.buy-dialog::backdrop { background: color-mix(in srgb, #05070f 55%, transparent); -webkit-backdrop-filter: blur(12px) saturate(1.2); backdrop-filter: blur(12px) saturate(1.2); }
.buy-dialog .eyebrow { margin: 0 0 8px; }
.buy-title { margin: 0; font: 600 var(--sai-text-2xl)/1.15 var(--sai-font-display); }
.buy-price { margin: 6px 0 4px; font: 600 var(--sai-text-xl)/1.2 var(--sai-font-body); }
.buy-note { margin: 0 0 18px; font-size: var(--sai-text-sm); color: var(--sai-muted); line-height: 1.5; }
.buy-dialog .buy-confirm { max-width: none; margin: 0 0 16px; }
.buy-go { width: 100%; justify-content: center; }
.buy-status { min-height: 18px; margin: 10px 0 0; font-size: var(--sai-text-sm); color: var(--sai-muted); }
.buy-status.bad { color: var(--sai-bad); }
.buy-fine { margin: 6px 0 0; font-size: var(--sai-text-xs); color: var(--sai-muted); }
.pd-close {
  position: absolute; top: 12px; right: 12px; z-index: 3; width: 34px; height: 34px; display: grid; place-items: center;
  border-radius: 50%; border: 1px solid var(--sai-line); background: var(--sai-surface); color: inherit; cursor: pointer;
}
.pd-close svg { width: 16px; height: 16px; }
.pd-close:hover { box-shadow: var(--sai-shadow-card); }
.pd-close:focus-visible { outline: none; box-shadow: var(--sai-focus); }
.plan-dialog[open] { animation: pd-in var(--sai-motion-fast) var(--sai-ease); }
@keyframes pd-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .plan-dialog[open] { animation: none; } }
body:has(.plan-dialog[open]) { overflow: hidden; }   /* the page behind stays still while the plan is open */
.plan-details h4 { margin: 0 0 7px; font: 600 var(--sai-text-xs)/1.2 var(--sai-font-body); letter-spacing: 0.09em; text-transform: uppercase; color: var(--sai-muted); }
.plan-details ul { margin: 0; padding-left: 18px; display: grid; gap: 7px; line-height: 1.5; }
.plan-fine { margin: 0; font-size: var(--sai-text-xs); color: var(--sai-muted); line-height: 1.5; }
.plan-fine a { color: var(--sai-blue); }

/* ---- the funding ladder ---- */
.ladder { display: grid; gap: 26px; }
.progress { width: min(760px, 100%); justify-self: center; display: grid; gap: 8px; }
.progress[hidden] { display: none; }
.progress-bar { height: 10px; border-radius: var(--sai-radius-pill); background: var(--sai-raised); overflow: hidden; border: 1px solid var(--sai-line); }
.progress-fill { height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--sai-blue), var(--sai-purple)); transition: width 700ms var(--sai-ease); }
.progress-meta { display: flex; justify-content: space-between; gap: 12px; font: 500 var(--sai-text-sm) var(--sai-font-mono); color: var(--sai-muted); }
.progress-meta b { color: var(--sai-text); font-weight: 600; }
.milestones { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.milestone {
  position: relative; display: grid; gap: 12px; align-content: start; padding: 22px 20px; border-radius: var(--sai-radius-lg);
  background: var(--sai-surface); border: 1px solid var(--sai-line);
}
.milestone.goal {
  border: 1.5px solid transparent;
  background: linear-gradient(var(--sai-surface), var(--sai-surface)) padding-box,
              linear-gradient(140deg, var(--sai-blue), var(--sai-purple) 55%, var(--sai-orange)) border-box;
}
.milestone.reached { border-color: color-mix(in srgb, var(--sai-ok) 60%, var(--sai-line)); }
.ms-top { display: flex; align-items: center; justify-content: space-between; gap: 6px 8px; flex-wrap: wrap; }
.ms-amount { font: 600 30px/1 var(--sai-font-display); letter-spacing: -0.02em; }
/* the pills carry small text: the theme's designed soft-fill + ink pairs (purple on a 16% purple tint measured 4.19:1 in the
   light theme, under the 4.5 floor, 2026-10-03) */
.ms-state { flex: none; white-space: nowrap; font: 600 10.5px/1 var(--sai-font-body); letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 8px; border-radius: var(--sai-radius-pill);
  background: color-mix(in srgb, var(--sai-ok) 24%, var(--sai-surface)); color: var(--sai-text); }
.ms-state.goal { background: var(--sai-purple-soft); color: var(--sai-ink-on-soft); }
.ms-name { margin: 0; font: 600 var(--sai-text-xs)/1.2 var(--sai-font-body); letter-spacing: 0.1em; text-transform: uppercase; color: var(--sai-muted); }
.ms-funds { margin: 0; font-size: var(--sai-text-sm); color: var(--sai-muted); line-height: 1.5; }
.ms-group h4 { margin: 0 0 6px; font: 600 10.5px/1.2 var(--sai-font-body); letter-spacing: 0.1em; text-transform: uppercase; }
.ms-group.everyone h4 { color: var(--sai-blue); }
.ms-group.founders h4 { color: var(--sai-purple); }
.ms-group ul { margin: 0; padding-left: 16px; display: grid; gap: 6px; font-size: var(--sai-text-sm); line-height: 1.45; }
.ladder-fine { margin: 0; text-align: center; font-size: var(--sai-text-sm); color: var(--sai-muted); max-width: 70ch; justify-self: center; line-height: 1.55; }

/* ---- mission + thank you ---- */
.mission { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 18px; align-items: stretch; }
.mission-card, .thanks-card { display: grid; gap: 14px; align-content: start; padding: 30px 28px; border-radius: var(--sai-radius-xl);
  background: var(--sai-surface); border: 1px solid var(--sai-line); }
.mission-card p, .thanks-card p { margin: 0; line-height: 1.7; }
.mission-card .section-h2, .thanks-card .section-h2 { font-size: clamp(22px, 3vw, 28px); }
.thanks-card { border-color: transparent;
  background: linear-gradient(140deg, color-mix(in srgb, var(--sai-blue-soft) 60%, var(--sai-surface)), color-mix(in srgb, var(--sai-purple-soft) 65%, var(--sai-surface))); }
.thanks-card .sig { font: 500 var(--sai-text-sm) var(--sai-font-body); color: var(--sai-muted); }

/* ---- how it works ---- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; counter-reset: step; }
.step { counter-increment: step; display: grid; gap: 7px; align-content: start; padding: 20px 18px; border-radius: var(--sai-radius-lg);
  background: var(--sai-surface); border: 1px solid var(--sai-line); }
.step::before { content: counter(step); width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  font: 600 13px var(--sai-font-mono); color: var(--sai-ink-on-soft); background: linear-gradient(135deg, var(--sai-blue-soft), var(--sai-purple-soft)); }
.step b { font: 600 var(--sai-text-md) var(--sai-font-body); }
.step small { color: var(--sai-muted); font-size: var(--sai-text-sm); line-height: 1.5; }

/* ---- the welcome page ---- */
.welcome { position: relative; z-index: 1; flex: 1; box-sizing: border-box; width: min(640px, 100%); margin: 0 auto; padding: 24px 24px 48px;
  display: grid; align-content: center; justify-items: center; gap: 22px; text-align: center; }
.welcome-mark { width: 72px; height: 72px; border-radius: var(--sai-radius-lg); display: grid; place-items: center;
  background: linear-gradient(135deg, var(--sai-blue-soft), var(--sai-purple-soft)); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 12px 38px rgba(92, 110, 190, 0.3); }
.welcome-mark svg { width: 34px; height: 34px; fill: none; stroke: var(--sai-text); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.welcome-card { width: 100%; box-sizing: border-box; display: grid; gap: 14px; text-align: left; padding: 24px; border-radius: var(--sai-radius-xl);
  background: var(--sai-surface); border: 1px solid var(--sai-line); box-shadow: var(--sai-shadow-card); }
.welcome-card ol { margin: 0; padding-left: 20px; display: grid; gap: 9px; line-height: 1.55; }
.welcome-card .fine { margin: 0; font-size: var(--sai-text-sm); color: var(--sai-muted); line-height: 1.5; }
.welcome-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.welcome[aria-busy="true"] .welcome-mark { animation: welcome-breathe 1.6s var(--sai-ease) infinite; }
@keyframes welcome-breathe { 50% { transform: scale(0.94); opacity: 0.8; } }

/* ---- responsive ---- */
@media (max-width: 1000px) {
  .plans { grid-template-columns: 1fr; width: min(540px, 100%); justify-self: center; }
  .plans .plan.highlight { order: -1; }   /* Founder first when the cards stack */
  .plans-more { width: min(540px, 100%); justify-self: center; }
  .milestones { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mission { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .join { padding: 4px 16px 36px; gap: 46px; }
  .plans-more, .milestones, .steps { grid-template-columns: 1fr; }
  .plan { padding: 26px 20px 20px; }
  .mission-card, .thanks-card { padding: 24px 20px; }
  .welcome { padding: 16px 16px 36px; }
}
@media (prefers-reduced-motion: reduce) { .progress-fill { transition: none; } .welcome[aria-busy="true"] .welcome-mark { animation: none; } }

/* ---- the pricing layout (Alex 2026-10-03, from ChatGPT's page): a Personal | Business switch, then every plan side by
   side, name -> price -> who it's for -> button -> what's included. Overrides the older 3-up grid above. ---- */
.join { width: min(1240px, 100%); }
.join-hero { gap: 12px; padding-top: 28px; }
.join-hero .join-h1 { max-width: none; font-size: clamp(30px, 4.6vw, 44px); }
.join-hero .join-sub { font-size: var(--sai-text-md); }
.plan-switch { display: inline-flex; gap: 4px; margin-top: 10px; padding: 4px; border-radius: var(--sai-radius-pill);
  background: var(--sai-raised); border: 1px solid var(--sai-line); }
.plan-switch button { display: inline-flex; align-items: center; gap: 7px; padding: 8px 20px; border: 0; border-radius: var(--sai-radius-pill);
  background: none; color: var(--sai-muted); font: 600 var(--sai-text-sm) var(--sai-font-body); cursor: pointer;
  transition: background var(--sai-motion-fast) var(--sai-ease), color var(--sai-motion-fast) var(--sai-ease); }
.plan-switch button:hover { color: var(--sai-text); }
.plan-switch button[aria-selected="true"] { background: var(--sai-surface); color: var(--sai-text); box-shadow: 0 2px 10px rgba(0,0,0,0.18), inset 0 1px 0 rgba(255,255,255,0.10); }
.plan-switch button:focus-visible { outline: none; box-shadow: var(--sai-focus); }
.plan-switch .soon-chip { font-style: normal; padding: 2px 7px; border-radius: 999px; font-size: 10.5px; letter-spacing: 0.03em;
  background: color-mix(in srgb, var(--sai-purple-soft) 40%, transparent); color: var(--sai-text); }
/* big cards, three across on a desktop (Alex 2026-10-03: "the packages are a little bit small"); any count centres */
.plans { display: flex; flex-wrap: wrap; justify-content: center; gap: 22px; align-items: stretch; width: 100%; }
.plans > .plan { flex: 1 1 300px; max-width: 380px; box-sizing: border-box; }   /* three across from ~1000px; a lone card centres */
.plans[hidden], .plans-biz[hidden], .plans-personal[hidden], .plans-reveal[hidden] { display: none; }
.plans-personal { display: grid; gap: 26px; }
.plan { gap: 18px; padding: 34px 30px 28px; align-content: start; grid-auto-rows: max-content; }
.plan-name { font-size: var(--sai-text-xl); }
.plan-price b { font-size: 50px; }
.plan-price span { font-size: var(--sai-text-md); }
.plan-tag { min-height: 3em; font-size: var(--sai-text-md); }
.plan-cta { padding: 14px 20px; font-size: var(--sai-text-md); }
.plan-sum { gap: 12px; padding-top: 18px; border-top: 1px solid var(--sai-line); font-size: var(--sai-text-md); }
.plan-more-btn { margin-top: 2px; font-size: var(--sai-text-md); }
.plan-badge { font-size: 12px; }
/* "Show all plans": a glowing pill so people can tell it opens something */
.plans-reveal { display: flex; justify-content: center; }
.show-all { position: relative; display: inline-flex; align-items: center; gap: 9px; padding: 12px 26px; border-radius: var(--sai-radius-pill); cursor: pointer;
  font: 600 var(--sai-text-md) var(--sai-font-body); color: var(--sai-text); border: 1.5px solid transparent;
  background: linear-gradient(var(--sai-surface), var(--sai-surface)) padding-box,
              linear-gradient(120deg, var(--sai-blue), var(--sai-purple) 60%, var(--sai-orange)) border-box;
  box-shadow: 0 0 22px color-mix(in srgb, var(--sai-purple) 35%, transparent), 0 0 46px color-mix(in srgb, var(--sai-blue) 18%, transparent);
  animation: show-all-glow 2.8s var(--sai-ease) infinite; transition: transform var(--sai-motion-fast) var(--sai-ease); }
.show-all:hover { transform: translateY(-1px); }
.show-all:focus-visible { outline: none; box-shadow: var(--sai-focus), 0 0 22px color-mix(in srgb, var(--sai-purple) 35%, transparent); }
.show-all svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; transition: transform var(--sai-motion-fast) var(--sai-ease); }
.show-all[aria-expanded="true"] { animation: none; }
.show-all[aria-expanded="true"] svg { transform: rotate(180deg); }
@keyframes show-all-glow {
  50% { box-shadow: 0 0 34px color-mix(in srgb, var(--sai-purple) 55%, transparent), 0 0 70px color-mix(in srgb, var(--sai-blue) 28%, transparent); }
}
@media (prefers-reduced-motion: reduce) { .show-all { animation: none; } }
.plans-biz { display: grid; gap: 16px; justify-items: center; }
.biz-note { margin: 0; max-width: 60ch; text-align: center; color: var(--sai-muted); line-height: 1.55; }
.plans-wrap .plan-fine { text-align: center; }
@media (max-width: 1000px) {
  .plans { width: 100%; }
  .plans .plan.highlight { order: 0; }
}
@media (max-width: 640px) {
  .plans > .plan { max-width: 460px; }
  .plan { padding: 28px 22px 22px; }
  .plan-price b { font-size: 42px; }
  .plan-tag { min-height: 0; }
}
/* the renewal choice in the purchase box (monthly plans only) */
.buy-renew { display: grid; grid-template-columns: 20px 1fr; gap: 12px; align-items: start; margin: 0 0 14px; padding: 12px 16px;
  border: 1px solid var(--sai-line); border-radius: var(--sai-radius-md); background: var(--sai-raised); cursor: pointer; }
.buy-renew[hidden] { display: none; }
.buy-renew input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--sai-blue); cursor: pointer; }
.buy-renew b { display: block; font-size: var(--sai-text-sm); }
.buy-renew small { display: block; margin-top: 4px; color: var(--sai-muted); font-size: var(--sai-text-xs); line-height: 1.5; }