/* Home funnel (2026-10-22). NK: "there needs to be a pathway ... like a funnel. but there's too much on the page".
   One question per screen, big answers, the plan short. Tokens and components come from css/site.css.
   regression: 2026-10-22-funnel */
.flow { padding-block: var(--space-6) var(--space-8); }
.flow__wrap { max-width: 880px; }
.flow__step[hidden], .flow__plan[hidden], .flow__answers[hidden] { display: none; }
.flow__q { font-family: var(--font-display); font-size: clamp(1.9rem, 1.5rem + 1.6vw, 2.7rem); line-height: 1.12; letter-spacing: -0.01em; margin: 0 0 var(--space-2); }
.flow__q:focus { outline: none; }
.flow__q:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 6px; }
.flow__hint { margin: 0 0 var(--space-5); max-width: 62ch; color: var(--ink-muted); font-size: 1.05rem; }
.flow__aside { margin: var(--space-4) 0 0; }
.flow__help { font-weight: 700; color: var(--warm); display: inline-flex; align-items: center; min-height: 44px; }

/* "Or go straight to": for anyone who would rather browse than answer questions */
.flow__quick { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: var(--space-5); padding-top: var(--space-4); border-top: 1px solid var(--line); }
.flow__quick-h { flex-basis: 100%; color: var(--ink-muted); font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.flow__quick a { display: inline-flex; align-items: center; min-height: 44px; padding: 4px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); font-weight: 600; text-decoration: none; }
.flow__quick a:hover { border-color: var(--accent); }

/* Answers */
.flow__options { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
@media (min-width: 640px) { .flow__options { grid-template-columns: 1fr 1fr; } }
.flow__opt { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 2px; width: 100%; min-height: 68px; padding: var(--space-3) var(--space-5); text-align: left; background: var(--surface); color: var(--ink); border: 1.5px solid var(--line); border-radius: var(--radius-l); box-shadow: var(--shadow-1); font: inherit; cursor: pointer; text-decoration: none; transition: border-color 150ms var(--ease), background-color 150ms var(--ease), transform 150ms var(--ease); }
.flow__opt:hover { border-color: var(--accent); background: color-mix(in srgb, var(--accent-soft) 45%, var(--surface)); }
.flow__opt:active { transform: scale(0.99); }
.flow__opt:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.flow__opt[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); }
.flow__opt-t { font-weight: 700; font-size: 1.12rem; line-height: 1.3; }
.flow__opt-s { color: var(--ink-muted); font-size: 0.93rem; line-height: 1.35; }
.flow__opt--kid { border-style: dashed; }
.flow__options--ages { grid-template-columns: repeat(5, 1fr); }
@media (min-width: 640px) { .flow__options--ages { grid-template-columns: repeat(10, 1fr); } }
.flow__options--ages .flow__opt { align-items: center; padding: 0; min-height: 56px; }
.flow__options--ages .flow__opt-t { font-size: 1.2rem; font-variant-numeric: tabular-nums; }

/* "What feels hardest": two short columns on a phone, three on a wide screen */
.flow__options--needs { grid-template-columns: 1fr 1fr; gap: var(--space-2); }
@media (min-width: 760px) { .flow__options--needs { grid-template-columns: repeat(3, 1fr); gap: var(--space-3); } }
.flow__options--needs .flow__opt { min-height: 64px; padding: var(--space-3); }
.flow__options--needs .flow__opt-t { font-size: 1rem; }
@media (max-width: 639px) { .flow__options--needs .flow__opt-s { display: none; } }

/* The answers so far: tap one to change it */
.flow__answers-list { list-style: none; margin: 0 0 var(--space-5); padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.flow__answer, .flow__back { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; font-size: 0.95rem; cursor: pointer; }
.flow__answer:hover, .flow__back:hover { border-color: var(--accent); }
.flow__answer:focus-visible, .flow__back:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.flow__answer.is-current { border-color: var(--accent); background: var(--accent-soft); }
.flow__back { font-weight: 700; color: var(--accent-deep); }
.flow__answer-k { color: var(--ink-muted); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; font-weight: 700; }
.flow__answer-v { font-weight: 700; }
.flow__answer-edit { color: var(--accent-deep); font-size: 0.82rem; font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }

/* "How full is the tank today?" */
.tank { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding: var(--space-3) var(--space-4); margin: 0 0 var(--space-2); border-radius: var(--radius-l); background: var(--surface-2); border: 1px solid var(--line); }
.tank__h { font-weight: 700; }
.tank__btns { display: flex; flex-wrap: wrap; gap: 8px; }
.tank__btn { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; cursor: pointer; }
.tank__btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.tank__btn[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); font-weight: 700; }
.tank__cell { position: relative; width: 24px; height: 13px; border: 2px solid currentColor; border-radius: 3px; flex: none; }
.tank__cell::before { content: ""; position: absolute; inset: 1px; width: calc(var(--lvl, 50%) - 2px); background: var(--accent); border-radius: 1px; }
.tank__cell::after { content: ""; position: absolute; right: -5px; top: 3px; width: 3px; height: 5px; background: currentColor; border-radius: 0 1px 1px 0; }
.tank__note { flex-basis: 100%; margin: 0; }
.tank__note:empty { display: none; }

/* Plan */
.plan__section { margin-top: var(--space-6); }
.plan__section[hidden] { display: none; }
.plan__sub { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-1) var(--space-4); margin-bottom: var(--space-3); }
.plan__sub h2 { margin: 0; font-family: var(--font-display); font-size: clamp(1.3rem, 1.15rem + 0.6vw, 1.6rem); }
.plan__all { font-weight: 700; display: inline-flex; align-items: center; min-height: 44px; }
.plan__note { margin: 0 0 var(--space-3); color: var(--ink-muted); }
.plan__cards { display: grid; gap: var(--space-3); }
.plan__video { margin: var(--space-3) 0 0; }
.plan__video video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border-radius: var(--radius-l); background: #000; }
.plan__video figcaption { margin-top: var(--space-2); color: var(--ink-muted); font-size: 0.93rem; }
.plan__links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* Phrase cards that flip */
.flips { display: grid; gap: var(--space-3); }
@media (min-width: 760px) { .flips { grid-template-columns: repeat(3, 1fr); align-items: start; } }
.flip { border: 1.5px solid var(--line); border-radius: var(--radius-l); background: var(--surface); box-shadow: var(--shadow-1); overflow: hidden; transition: border-color 150ms var(--ease); }
.flip.is-flipped { border-color: var(--accent); }
.flip__face { display: grid; gap: 6px; width: 100%; padding: var(--space-4) var(--space-5); background: none; border: 0; color: var(--ink); text-align: left; font: inherit; cursor: pointer; }
.flip__face:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }
.flip__label { color: var(--ink-muted); font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.flip__instead { font-size: 1.08rem; text-decoration: line-through; text-decoration-color: color-mix(in srgb, var(--warm) 70%, transparent); text-decoration-thickness: 2px; }
.flip__cta { justify-self: start; display: inline-flex; align-items: center; min-height: 36px; padding: 4px 14px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-deep); font-weight: 700; font-size: 0.93rem; }
.flip__opts { list-style: none; margin: 0; padding: 0 var(--space-5) var(--space-3); display: grid; gap: var(--space-2); }
.flip__opts[hidden], .flip__why[hidden] { display: none; }
.flip__opts li { display: grid; gap: 2px; padding: var(--space-2) var(--space-3); border-radius: var(--radius-m, 10px); background: color-mix(in srgb, var(--accent-soft) 55%, var(--surface)); }
.flip__style { color: var(--accent-deep); font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.flip__text { font-size: 1.02rem; }
.flip__why { margin: 0; padding: 0 var(--space-5) var(--space-4); color: var(--ink-muted); font-size: 0.93rem; }
@media (prefers-reduced-motion: no-preference) {
  :root:not([data-reduce-motion]) .flow__step:not([hidden]), :root:not([data-reduce-motion]) .flow__plan:not([hidden]) { animation: flow-in 260ms var(--ease) both; }
  :root:not([data-reduce-motion]) .flip.is-flipped .flip__opts { animation: flip-in 280ms var(--ease) both; transform-origin: top; }
}
@keyframes flow-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes flip-in { from { opacity: 0; transform: perspective(600px) rotateX(-14deg); } to { opacity: 1; transform: none; } }

@media print {
  #site-header, #site-footer, .skip-link, .flow__answers, .tank, .plan__links, .plan__all, .plan__video { display: none !important; }
  .flip__opts[hidden], .flip__why[hidden] { display: grid !important; }
}

/* Plan as short sections and two tabs (NK 2026-10-22: "small expandable tabs rather than just big long lists") */
.plan__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: 0 0 var(--space-2); }
.plan__tabs { display: grid; gap: var(--space-3); }
.plan__tab { border: 1.5px solid var(--line); border-radius: var(--radius-l); background: var(--surface); box-shadow: var(--shadow-1); }
.plan__tab[open] { border-color: var(--accent); }
.plan__tab > summary { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2px 12px; min-height: 64px; padding: var(--space-3) var(--space-5); cursor: pointer; list-style: none; }
.plan__tab > summary::-webkit-details-marker { display: none; }
.plan__tab > summary::after { content: ""; grid-row: 1 / span 2; grid-column: 2; width: 9px; height: 9px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); transition: transform 150ms var(--ease); color: var(--accent-deep); }
.plan__tab[open] > summary::after { transform: rotate(-135deg); }
.plan__tab > summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: var(--radius-l); }
.plan__tab-t { font-weight: 700; font-size: 1.08rem; }
.plan__tab-s { grid-column: 1; color: var(--ink-muted); font-size: 0.93rem; }
.plan__tab-body { padding: 0 var(--space-5) var(--space-4); }
.plan__tab-body > p:last-child { margin-bottom: 0; }
.plan__reads { list-style: none; margin: 0 0 var(--space-3); padding: 0; display: grid; gap: var(--space-3); }
.plan__read { display: grid; gap: 2px; padding-bottom: var(--space-3); border-bottom: 1px solid var(--line); }
.plan__read a { font-weight: 700; display: inline-flex; min-height: 44px; align-items: center; }
.plan__read-meta { color: var(--ink-muted); font-size: 0.88rem; }
.plan__read-why { font-size: 0.95rem; }