/*! UX by Example — © 2026 Chris Daniels. All rights reserved. */
.sprf{display:flex;flex-direction:column;gap:var(--space-m);width:100%}.sprf__lead{font-size:var(--step-1);line-height:var(--leading-snug);max-inline-size:54ch;margin-block-end:var(--space-s)}.sprf__controls{display:flex;align-items:center;gap:var(--space-s);padding:var(--space-xs) var(--space-m);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m)}.sprf__switch-label{display:inline-flex;align-items:center;gap:var(--space-xs);font-size:var(--step-0);font-weight:600;color:var(--ink);cursor:pointer;user-select:none}.sprf__switch-track{position:relative;display:inline-flex;align-items:center;width:44px;height:24px;background:var(--surface-2);border:1.5px solid var(--line);border-radius:12px;transition:background-color .2s,border-color .2s;flex-shrink:0}.sprf__switch-input{position:absolute;width:100%;height:100%;opacity:0;margin:0;cursor:pointer}.sprf__switch-thumb{position:absolute;left:2px;width:18px;height:18px;background:var(--muted);border-radius:50%;transition:transform .2s,background-color .2s;pointer-events:none}.sprf__switch-input:checked+.sprf__switch-thumb,.sprf__switch-input:checked~.sprf__switch-thumb{transform:translateX(20px);background:var(--on-accent)}.sprf__switch-input:focus-visible+.sprf__switch-thumb{outline:2.5px solid var(--focus);outline-offset:2px}.sprf.is-revealed .sprf__switch-track{background:var(--accent);border-color:var(--accent)}.sprf__stage{display:flex;flex-direction:column;gap:var(--space-m);background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-l);padding:var(--space-l)}.sprf__card{max-width:26rem;width:100%;margin:0 auto;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-l);padding:var(--space-l);display:flex;flex-direction:column;gap:var(--space-s);transition:box-shadow .4s}.sprf.is-revealed .sprf__card{box-shadow:var(--shadow-m)}.sprf__card-header{text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--space-3xs)}.sprf__plan-badge{display:inline-block;font-size:var(--label-size);font-weight:700;text-transform:uppercase;letter-spacing:var(--tracking-caps);color:var(--accent-strong);background:var(--accent-soft);padding:var(--space-3xs) var(--space-xs);border-radius:var(--radius-s)}.sprf__plan-name{font-family:var(--font-display);font-size:var(--step-3);font-weight:700;color:var(--ink);margin:0}.sprf__price{display:flex;align-items:baseline;justify-content:center;gap:var(--space-3xs);margin:0}.sprf__price-amount{font-family:var(--font-display);font-size:var(--step-4);font-weight:700;color:var(--ink)}.sprf__price-period{font-size:var(--step--1);color:var(--muted);font-weight:500}.sprf__proof{overflow:hidden;max-height:0;opacity:0;margin:0;padding:0;transition:max-height .45s cubic-bezier(.16, 1, .3, 1),opacity .35s,margin .35s,padding .35s}.sprf.is-revealed .sprf__proof{max-height:12rem;opacity:1}.sprf__proof--stars{display:flex;align-items:center;justify-content:center;gap:var(--space-3xs);flex-wrap:wrap}.sprf.is-revealed .sprf__proof--stars{margin-block:var(--space-3xs);padding-block:var(--space-2xs);border-block-start:1px solid var(--line);border-block-end:1px solid var(--line)}.sprf__stars{display:inline-flex;align-items:center;gap:2px}.sprf__star{fill:#e5a100;stroke:none}.sprf__star--partial{fill:var(--surface-2);stroke:none;position:relative}.sprf__rating-text{font-size:var(--step--1);font-weight:700;color:var(--ink);margin-inline-start:var(--space-3xs)}.sprf__rating-count{font-size:var(--step--1);color:var(--muted)}.sprf__proof--users{display:flex;align-items:center;justify-content:center;gap:var(--space-2xs)}.sprf__users-dot{width:8px;height:8px;background:#22c55e;border-radius:50%;flex-shrink:0;animation:2s ease-in-out infinite sprf-pulse-dot}@keyframes sprf-pulse-dot{0%,100%{opacity:1}50%{opacity:.4}}.sprf__users-text{font-size:var(--step--1);color:var(--muted)}.sprf__users-text strong{color:var(--ink);font-weight:700;font-family:var(--font-display)}.sprf__features{display:flex;flex-direction:column;gap:var(--space-2xs);list-style:none;padding:0;margin:0}.sprf__feature{display:flex;align-items:center;gap:var(--space-2xs);font-size:var(--step--1);color:var(--ink);line-height:var(--leading-snug)}.sprf__check{flex-shrink:0;color:var(--accent)}.sprf__cta{width:100%;padding:var(--space-xs) var(--space-s);background:var(--accent);color:var(--on-accent);font-size:var(--step-0);font-weight:600;border:none;border-radius:var(--radius-button);cursor:pointer;text-align:center;transition:background-color .15s,transform .1s;margin-block-start:var(--space-2xs)}.sprf__cta:hover{background:var(--accent-strong)}.sprf__cta:active{transform:scale(.98)}.sprf__cta:focus-visible{outline:2.5px solid var(--focus);outline-offset:2.5px}.sprf__proof--quote{border-inline-start:3px solid var(--accent)}.sprf.is-revealed .sprf__proof--quote{padding:var(--space-xs) var(--space-s);margin-block-start:var(--space-3xs)}.sprf__quote-text{font-size:var(--step--1);font-style:italic;color:var(--ink);line-height:var(--leading-body);margin:0 0 var(--space-3xs)}.sprf__quote-author{font-size:var(--step--1);color:var(--muted);font-style:normal;margin:0}.sprf__quote-author strong{color:var(--ink);font-weight:600}.sprf__proof--badges{display:flex;align-items:center;justify-content:center;gap:var(--space-2xs);flex-wrap:wrap}.sprf.is-revealed .sprf__proof--badges{margin-block-start:var(--space-3xs);padding-block-start:var(--space-2xs);border-block-start:1px solid var(--line)}.sprf__badge{display:inline-flex;align-items:center;gap:var(--space-3xs);font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--surface-2);padding:var(--space-3xs) var(--space-2xs);border-radius:var(--radius-s);border:1px solid var(--line)}.sprf__badge-icon{flex-shrink:0;color:var(--accent)}.sprf__meter-wrapper{max-width:26rem;width:100%;margin:0 auto;display:flex;flex-direction:column;gap:var(--space-3xs)}.sprf__meter-header{display:flex;justify-content:space-between;align-items:baseline}.sprf__meter-label{font-size:var(--step--1);font-weight:600;color:var(--ink);text-transform:uppercase;letter-spacing:var(--tracking-caps)}.sprf__meter-value{font-family:var(--font-display);font-size:var(--step-2);font-weight:700;color:var(--ink);min-width:3ch;text-align:right}.sprf__meter-track{height:10px;background:var(--surface-2);border-radius:var(--radius-s);overflow:hidden}.sprf__meter-fill{height:100%;border-radius:var(--radius-s);background:var(--status-challenged-bg);transition:width .8s cubic-bezier(.16, 1, .3, 1),background-color .6s}.sprf.is-revealed .sprf__meter-fill{background:var(--status-supported-bg)}.sprf__meter-caption{font-size:var(--step--1);color:var(--muted);font-style:italic;line-height:var(--leading-body);margin:0}.sprf__insight{max-width:26rem;width:100%;margin:0 auto;background:var(--accent-soft);border:1.5px solid var(--line);border-radius:var(--radius-m);padding:var(--space-s) var(--space-m);animation:.4s cubic-bezier(.16,1,.3,1) forwards sprf-slide-in}@keyframes sprf-slide-in{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.sprf__insight[hidden]{display:none!important}.sprf__insight-text{font-size:var(--step--1);color:var(--ink);line-height:var(--leading-body);margin:0}.sprf__insight-text strong{font-weight:700;color:var(--accent-strong)}.sprf__alt{margin-block-start:var(--space-l);border-block-start:1px solid var(--line);padding-block-start:var(--space-m)}.sprf__alt summary{cursor:pointer;font-weight:600;color:var(--accent-strong)}.sprf__alt[open] summary{margin-block-end:var(--space-s)}