/* Compare: "by hand" (long, struck through) next to "with the course tool" (short, bright).
   Final state is the default. compare--anim (added by JS) is the pre-state, is-playing runs the sequence once. */
.compare__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; align-items: stretch; }
.compare__panel { position: relative; isolation: isolate; min-width: 0; border-radius: var(--size-radius); padding: clamp(18px, 3vw, 32px); }
.compare__top { display: flex; align-items: center; gap: clamp(12px, 2.5vw, 20px); margin-bottom: clamp(16px, 3vw, 24px); }
.compare__figure { flex: none; width: clamp(72px, 14vw, 120px); display: grid; gap: 8px; justify-items: start; }
.compare__count { position: relative; display: inline-block; font-family: var(--font-body); font-weight: 700; line-height: 1; letter-spacing: -0.04em; transform-origin: left center; }
.compare__segs { display: flex; gap: 4px; width: 100%; }
.compare__segs i { display: block; flex: 1 1 0; min-width: 0; height: 5px; border-radius: var(--size-radius-pill); transform-origin: left center; }
.compare__labels { min-width: 0; }
.compare__label { font-size: var(--size-h3); }
.compare__note { margin-top: 2px; font-size: var(--size-text-sm); color: var(--color-ink-2); }

/* Before: warm, dashed, the long way. */
.compare__panel--before { background: var(--color-paper-2); border: 1.5px dashed var(--color-line); color: var(--color-ink-2); }
.compare__panel--before .compare__count { font-size: clamp(52px, 11vw, 92px); color: var(--color-ink-2); opacity: .75; }
.compare__panel--before .compare__count::after { content: ""; position: absolute; left: -6%; right: -6%; top: 52%; height: 3px; border-radius: 2px; background: var(--color-ink-2); transform: rotate(-7deg) scaleX(1); transform-origin: left center; }
.compare__panel--before .compare__segs i { background: var(--color-ink-2); opacity: .4; }
.compare__panel--before .compare__label { color: var(--color-ink-2); }
.compare__panel--before .compare__note { color: var(--color-ink-2); }
.compare__old { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; }
.compare__old-item { position: relative; display: flex; align-items: flex-start; gap: 8px; min-width: 0; padding: 9px 10px; border: 1px dashed var(--color-line); border-radius: calc(var(--size-radius) - 4px); background: var(--color-paper); color: var(--color-ink-2); font-size: var(--size-text-sm); line-height: 1.35; }
.compare__old-text::after { content: ""; position: absolute; left: -3px; right: -3px; top: calc(0.68em); height: 1.5px; border-radius: 1px; background: var(--color-ink-2); transform: rotate(-1.5deg) scaleX(1); transform-origin: left center; pointer-events: none; }
.compare__old-n { flex: none; width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--color-ink-2); color: var(--color-ink-2); font-size: var(--size-text-xs); line-height: 20px; text-align: center; }
.compare__old-text { position: relative; min-width: 0; overflow-wrap: anywhere; }

/* Now: white, confident, with a soft glow. */
.compare__panel--now { background: var(--color-card); border: 1px solid var(--color-line); border-top: 4px solid var(--color-accent); box-shadow: var(--shadow-card); }
.compare__panel--now::before { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; background: radial-gradient(ellipse at 88% 0%, var(--color-accent-soft), transparent 62%), radial-gradient(ellipse at 0% 100%, var(--color-accent-soft), transparent 55%); opacity: .5; pointer-events: none; }
.compare__panel--now .compare__count { font-size: clamp(64px, 14vw, 120px); color: var(--color-accent-text); }
.compare__panel--now .compare__segs i { background: var(--color-accent-text); }
.compare__panel--now .compare__label { color: var(--color-ink); }
.compare__new { list-style: none; margin: 0; padding: 0; display: grid; gap: clamp(14px, 2.5vw, 22px); }
.compare__new-item { display: flex; align-items: flex-start; gap: 14px; min-width: 0; }
.compare__new-n { flex: none; width: 40px; height: 40px; border-radius: 50%; background: var(--color-accent-text); color: var(--color-card); font-family: var(--font-body); font-weight: 700; font-size: 18px; line-height: 40px; text-align: center; }
.compare__new-body { min-width: 0; }
.compare__new-title { margin: 0; padding-top: 7px; font-family: var(--font-body); font-size: var(--size-h3); font-weight: 700; line-height: 1.25; overflow-wrap: anywhere; }
.compare__new-text { margin-top: 4px; color: var(--color-ink-2); overflow-wrap: anywhere; }

/* Arrow between the panels (Lucide arrow-right): points down on phones, right from 768px. */
.compare__arrow { display: flex; justify-content: center; align-items: center; min-height: 72px; color: var(--color-accent); --nx: 0px; --ny: 6px; }
.compare__arrow-svg { display: block; width: 56px; height: 56px; transform: rotate(90deg); }

/* One step per row on phones: each strike runs through one line of words. */
@media (min-width: 560px) and (max-width: 767px) {
  .compare__old { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .compare__grid { grid-template-columns: minmax(0, .9fr) auto minmax(0, 1.1fr); }
  .compare__arrow { min-height: 0; padding: 0 clamp(6px, 1.5vw, 16px); --nx: 6px; --ny: 0px; }
  .compare__arrow-svg { transform: none; }
  .compare__old { grid-template-columns: minmax(0, 1fr); }
}

/* Landscape phones: side by side but compact. */
@media (min-width: 768px) and (max-height: 520px) {
  .compare__panel { padding: 14px 16px; }
  .compare__top { margin-bottom: 10px; }
  .compare__figure { width: 64px; gap: 5px; }
  .compare__panel--before .compare__count { font-size: 46px; }
  .compare__panel--now .compare__count { font-size: 56px; }
  .compare__old { gap: 5px; }
  .compare__old-item { padding: 5px 8px; }
  .compare__new { gap: 10px; }
  .compare__new-n { width: 34px; height: 34px; line-height: 34px; font-size: 16px; }
  .compare__new-title { padding-top: 4px; }
  .compare__new-text { margin-top: 2px; }
  .compare__arrow-svg { width: 44px; height: 44px; }
}

/* Pre-state (class added by JS only when it will animate). Only the "before" parts may be hidden;
   the "now" card keeps at least .35 opacity so it is never empty. */
.compare--anim .compare__old-item { opacity: 0; transform: translateY(10px); }
.compare--anim .compare__old-text::after { transform: rotate(-1.5deg) scaleX(0); }
.compare--anim .compare__panel--before .compare__count::after { transform: rotate(-7deg) scaleX(0); }
.compare--anim .compare__panel--now .compare__count { opacity: .35; transform: scale(.85); }
.compare--anim .compare__new-item { opacity: .35; transform: translateY(8px); }
.compare--anim .compare__new-n { transform: scale(.8); }
.compare--anim .compare__panel--now .compare__segs i { transform: scaleX(0); }

/* Sequence (~1.6s). --i is set by JS per item. */
.compare--anim.is-playing .compare__old-item { opacity: 1; transform: none; transition: opacity 320ms var(--ease-out) calc(var(--i, 0) * 50ms), transform 420ms var(--ease-out) calc(var(--i, 0) * 50ms); }
.compare--anim.is-playing .compare__old-text::after { transform: rotate(-1.5deg) scaleX(1); transition: transform 340ms var(--ease-out) calc(380ms + var(--i, 0) * 90ms); }
.compare--anim.is-playing .compare__panel--before .compare__count::after { transform: rotate(-7deg) scaleX(1); transition: transform 380ms var(--ease-out) calc(380ms + var(--cn, 6) * 90ms); }
.compare--anim.is-playing .compare__arrow { animation: compare-nudge 640ms var(--ease-inout) 950ms both; }
.compare--anim.is-playing .compare__panel--now .compare__count { opacity: 1; transform: none; transition: opacity 520ms var(--ease-out) 700ms, transform 520ms var(--ease-out) 700ms; }
.compare--anim.is-playing .compare__new-item { --d: calc(800ms + var(--i, 0) * 140ms); opacity: 1; transform: none; transition: opacity 520ms var(--ease-out) var(--d), transform 520ms var(--ease-out) var(--d); }
.compare--anim.is-playing .compare__new-n { transform: none; transition: transform 420ms var(--ease-out) calc(860ms + var(--i, 0) * 140ms); }
.compare--anim.is-playing .compare__panel--now .compare__segs i { transform: none; transition: transform 380ms var(--ease-out) calc(900ms + var(--i, 0) * 120ms); }
@keyframes compare-nudge { 0% { transform: translate(0, 0); } 45% { transform: translate(var(--nx), var(--ny)); } 100% { transform: translate(0, 0); } }

@media (prefers-reduced-motion: reduce) {
  .compare--anim .compare__old-item,
  .compare--anim .compare__new-item,
  .compare--anim .compare__panel--now .compare__count,
  .compare--anim .compare__new-n,
  .compare--anim .compare__panel--now .compare__segs i { opacity: 1; transform: none; transition: none; animation: none; }
  .compare--anim .compare__old-text::after { transform: rotate(-1.5deg) scaleX(1); transition: none; }
  .compare--anim .compare__panel--before .compare__count::after { transform: rotate(-7deg) scaleX(1); transition: none; }
  .compare--anim.is-playing .compare__arrow { animation: none; }
}