/* Points: a section head over three points in a row on the page grid, then an optional comparison.
   Sequence: numbers in gold rings, a line drawing from ring to ring. Plain: hairlines led by a gold rule.
   The comparison crosses out the old way, row by row, as it reveals. One column on phones. */

.points {
  padding: var(--space-10) var(--space-page);
}
.points__title {
  margin-top: var(--space-5);
}
.points__lead {
  max-width: 40ch;
  margin-top: var(--space-5);
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.5;
  color: var(--ink-muted);
}

.points__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: var(--space-7);
  margin: var(--space-9) 0 0;
  padding: 0;
  list-style: none;
}
.points__item {
  position: relative;
}
.points__n {
  display: block;
  color: var(--accent-strong);
}
.points__name {
  margin-top: var(--space-4);
}
.points__text {
  max-width: 36ch;
  margin-top: var(--space-3);
  color: var(--ink-muted);
}

/* Plain points stand under a hairline led by a short gold rule. */
.points__list:not(.points__list--sequence) .points__item {
  padding-top: var(--space-5);
}
.points__list:not(.points__list--sequence) .points__item::before,
.points__list:not(.points__list--sequence) .points__item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 1px;
  transform-origin: left;
}
.points__list:not(.points__list--sequence) .points__item::before {
  right: 0;
  background: var(--hairline-strong);
}
.points__list:not(.points__list--sequence) .points__item::after {
  width: 40px;
  background: var(--accent);
}

/* A sequence: each number in a gold ring, and a line from each ring to the next. */
.points__list--sequence .points__n {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--surface);
  letter-spacing: 0.08em;
}
.points__list--sequence .points__name {
  margin-top: var(--space-5);
}
.points__list--sequence .points__item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 24px;
  left: 48px;
  width: calc(100% + var(--space-7) - 48px);
  height: 1px;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 35%, transparent));
  transform-origin: left;
}

/* ── The old way and ours ── */

.points__compare {
  margin-top: var(--space-10);
}
.points__table {
  width: 100%;
  margin-top: var(--space-6);
  border-collapse: collapse;
  table-layout: fixed;
}
.points__table th {
  padding: 0 var(--space-6) var(--space-3) 0;
  font-weight: 400;
  text-align: left;
  color: var(--ink-muted);
}
.points__table th:last-child {
  color: var(--accent-strong);
}
.points__table td {
  padding: var(--space-4) var(--space-6) var(--space-4) 0;
  border-top: 1px solid var(--hairline);
  vertical-align: baseline;
}
.points__table tr:last-child td {
  border-bottom: 1px solid var(--hairline);
}
.points__old {
  font-size: var(--text-body-l);
  color: var(--ink-faint);
}
/* The strike is a line drawn over the words, so it can cross them out as the table reveals. */
.points__old s {
  text-decoration: none;
  background: linear-gradient(currentColor, currentColor) no-repeat 0 58% / 100% 1px;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.points__new {
  font-family: var(--font-display);
  font-size: var(--text-title);
  font-weight: 500;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-title);
  color: var(--ink);
}

/* ── Reveal ── */

.points [data-reveal] {
  opacity: 0;
}
.points .is-visible [data-reveal] {
  animation: points-in 1100ms var(--ease-out-expo) both;
  animation-delay: calc(var(--i, 0) * 120ms);
}
.points__list:not(.points__list--sequence) .points__item::before,
.points__list:not(.points__list--sequence) .points__item::after,
.points__list--sequence .points__item::after {
  transform: scaleX(0);
}
.points__list.is-visible:not(.points__list--sequence) .points__item::before,
.points__list.is-visible:not(.points__list--sequence) .points__item::after {
  animation: points-line 1300ms var(--ease-out-expo) both;
  animation-delay: calc(var(--i, 0) * 120ms);
}
/* Prove, then Build, then Scale: each line leaves its ring once the step has risen. */
.points__list--sequence.is-visible .points__item::after {
  animation: points-line 900ms var(--ease-in-out-quart) both;
  animation-delay: calc(var(--i, 0) * 120ms + 520ms);
}
.points__old s {
  background-size: 0% 1px;
}
.points__compare.is-visible .points__old s {
  transition: background-size 700ms var(--ease-in-out-quart);
  transition-delay: calc(700ms + var(--r, 0) * 260ms);
  background-size: 100% 1px;
}
@keyframes points-in {
  from { opacity: 0; filter: blur(10px); transform: translateY(18px); }
  to { opacity: 1; filter: blur(0); transform: none; }
}
@keyframes points-line {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
@media (prefers-reduced-motion: reduce) {
  .points [data-reveal] {
    opacity: 1;
  }
  .points__list:not(.points__list--sequence) .points__item::before,
  .points__list:not(.points__list--sequence) .points__item::after,
  .points__list--sequence .points__item::after {
    transform: none;
  }
  .points .is-visible [data-reveal],
  .points .is-visible .points__item::before,
  .points .is-visible .points__item::after {
    animation: none;
  }
  .points__old s,
  .points__compare.is-visible .points__old s {
    transition: none;
    background-size: 100% 1px;
  }
}

@media (max-width: 900px) {
  .points {
    padding-top: var(--space-9);
    padding-bottom: var(--space-9);
  }
  .points__list {
    grid-template-columns: minmax(0, 1fr);
    row-gap: var(--space-7);
    margin-top: var(--space-8);
  }
  /* The sequence turns downwards: rings on the left, the line running down from ring to ring. */
  .points__list--sequence .points__item {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    column-gap: var(--space-5);
    align-items: start;
  }
  .points__list--sequence .points__n {
    grid-row: span 2;
  }
  .points__list--sequence .points__name {
    margin-top: 10px;
  }
  .points__list--sequence .points__item:not(:last-child)::after {
    top: 48px;
    left: 24px;
    width: 1px;
    height: calc(100% + var(--space-7) - 48px);
    background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 35%, transparent));
    transform-origin: top;
  }
  .points__list--sequence .points__item::after {
    transform: scaleY(0);
  }
  .points__list--sequence.is-visible .points__item::after {
    animation-name: points-line-down;
  }
  .points__compare {
    margin-top: var(--space-9);
  }
  /* Rows stack: the old way struck through, ours beneath it. */
  .points__table,
  .points__table tbody,
  .points__table tr,
  .points__table td {
    display: block;
  }
  .points__table thead {
    display: none;
  }
  .points__table tr {
    padding: var(--space-4) 0;
    border-top: 1px solid var(--hairline);
  }
  .points__table tr:last-child {
    border-bottom: 1px solid var(--hairline);
  }
  .points__table td,
  .points__table tr:last-child td {
    padding: 0;
    border: 0;
  }
  .points__table td + td {
    margin-top: var(--space-2);
  }
  .points__table td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: var(--space-1);
    font-family: var(--font-mono);
    font-size: var(--text-micro);
    letter-spacing: var(--tracking-micro);
    text-transform: uppercase;
    color: var(--ink-faint);
  }
  .points__table td.points__new::before {
    color: var(--accent-strong);
  }
}
@keyframes points-line-down {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}
@media (max-width: 900px) and (prefers-reduced-motion: reduce) {
  .points__list--sequence .points__item::after {
    transform: none;
  }
}