/* HOW WE BUILD page (design frame AAeFK). Shared tokens and classes live in so.css. */

.hwb-h2 {
  font-family: var(--display); font-size: clamp(32px, 3.8vw, 52px);
  letter-spacing: -1.5px; line-height: 1.1;
}
.hwb-head { display: flex; flex-direction: column; gap: 14px; max-width: 620px; }

/* ------------------------------------------------ motion helpers */
@media (prefers-reduced-motion: no-preference) {
  /* Dark panel scales 0.98 -> 1 rather than rising. */
  .js [data-reveal='panel'] { transform: scale(.98); }
  .js [data-reveal='panel'].is-in { transform: none; }

  /* The loop's connector lines draw left to right once their step lands. */
  .js .hwb-rail [data-reveal] .hwb-rail__line {
    transform: scaleX(0); transform-origin: left center;
    transition: transform .7s var(--ease);
    transition-delay: calc(var(--i, 0) * 70ms + 300ms);
  }
  .js .hwb-rail [data-reveal].is-in .hwb-rail__line { transform: none; }

  /* Check tiles pop 0.8 -> 1 just after their row. */
  .js .hwb-checks__list [data-reveal] .hwb-checks__tile {
    transform: scale(.8); opacity: 0;
    transition: transform .5s var(--ease), opacity .5s var(--ease);
    transition-delay: calc(var(--i, 0) * 70ms + 200ms);
  }
  .js .hwb-checks__list [data-reveal].is-in .hwb-checks__tile { transform: none; opacity: 1; }
}

/* ------------------------------------------------------- hero */
.hwb-hero {
  padding-top: clamp(48px, 4.4vw, 64px); padding-bottom: clamp(56px, 6vw, 86px);
  display: flex; flex-direction: column; align-items: flex-start; gap: 44px;
}
.hwb-chip {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 16px 8px 13px; border-radius: 20px;
  background: var(--surface); box-shadow: inset 0 0 0 1px var(--line);
  font-size: 13px; font-weight: 600; letter-spacing: .2px; color: var(--ink-2);
}
.hwb-chip__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--sun); }
.hwb-hero__row {
  width: 100%;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 80px;
}
.hwb-hero__title {
  max-width: 660px;
  font-family: var(--display); font-size: clamp(42px, 5.6vw, 72px);
  letter-spacing: -0.033em; line-height: 1.02;
}
.hwb-hero__meta { width: 400px; flex: none; display: flex; flex-direction: column; gap: 26px; padding-bottom: 10px; }
.hwb-hero__sub { font-size: 17px; line-height: 1.65; color: var(--ink-2); }
.hwb-stats { margin: 0; display: flex; flex-wrap: wrap; gap: 18px 30px; }
.hwb-stats > div { display: flex; flex-direction: column; gap: 3px; }
.hwb-stats dt {
  font-family: var(--display); font-size: 28px; font-weight: 700; letter-spacing: -1px; line-height: 1.1;
}
.hwb-stats dd { margin: 0; font-size: 13px; font-weight: 500; color: var(--ink-3); }

/* ------------------------------------------------------- loop */
.hwb-loop { padding-top: clamp(64px, 6.6vw, 96px); padding-bottom: clamp(64px, 7.2vw, 104px); }
.hwb-loop .sec-head > p { max-width: 380px; }
.hwb-rail {
  margin-top: 56px;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 24px;
}
.hwb-rail li { display: flex; flex-direction: column; gap: 22px; }
.hwb-rail__row { display: flex; align-items: center; }
.hwb-rail__dot {
  width: 44px; height: 44px; flex: none; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--surface); box-shadow: inset 0 0 0 1px var(--line);
  font-family: var(--display); font-size: 15px; font-weight: 700; letter-spacing: -0.3px; color: var(--ink-3);
}
.hwb-rail__dot--on { background: var(--sun); color: #fff; box-shadow: none; }
.hwb-rail__line { flex: 1; height: 1px; background: var(--line); }
.hwb-rail__line--end { background: transparent; }
.hwb-rail__title {
  font-family: var(--display); font-size: 21px; letter-spacing: -0.7px; line-height: 1.25;
}
.hwb-rail li p { margin-top: -12px; font-size: 15px; line-height: 1.62; color: var(--ink-2); }

/* ------------------------------------------------- the filter */
.hwb-filter-wrap { padding-bottom: clamp(64px, 7.2vw, 104px); }
.hwb-filter { padding: clamp(32px, 3.9vw, 56px) clamp(24px, 3.9vw, 56px) clamp(36px, 4.2vw, 60px); }
.hwb-kicker--amber { color: var(--amber); }
.hwb-filter__title {
  font-family: var(--display); font-size: clamp(30px, 3.1vw, 44px);
  letter-spacing: -1.3px; line-height: 1.12; color: #fff;
}
.hwb-filter .sec-head > p { max-width: 340px; font-size: 16px; line-height: 1.6; color: rgba(255, 255, 255, .66); }
.hwb-filter__cols {
  margin-top: 46px;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px;
}
.hwb-filter__col { display: flex; flex-direction: column; gap: 22px; }
.hwb-filter__col--no { border-left: 1px solid rgba(255, 255, 255, .12); padding-left: 56px; }
.hwb-filter__col-title {
  font-family: var(--display); font-size: 20px; letter-spacing: -0.6px; line-height: 1.3; color: #fff;
  padding-bottom: 22px; border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.hwb-filter__col ul { display: flex; flex-direction: column; gap: 18px; }
.hwb-filter__col li {
  display: flex; align-items: flex-start; gap: 14px;
  font-size: 16px; line-height: 1.55; color: rgba(255, 255, 255, .8);
}
.hwb-bullet {
  width: 22px; height: 22px; flex: none; margin-top: 1px; border-radius: 50%;
  display: grid; place-items: center; background: rgba(255, 255, 255, .08);
}
.hwb-bullet svg { width: 13px; height: 13px; }
.hwb-bullet--yes { color: var(--mint); }
.hwb-bullet--no { color: #FF8A6B; }

.hwb-example {
  margin-top: 46px; padding-top: 32px; border-top: 1px solid rgba(255, 255, 255, .12);
}
.hwb-example__label { font-size: 12px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase; color: var(--amber); }
.hwb-example__list {
  margin-top: 20px;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px;
}
.hwb-example__list li {
  padding: 22px 24px; border-radius: 22px; background: rgba(255, 255, 255, .06);
  font-size: 15px; line-height: 1.6; color: rgba(255, 255, 255, .66);
}
.hwb-example__list strong {
  display: block; margin-bottom: 6px;
  font-family: var(--display); font-size: 17px; font-weight: 700; letter-spacing: -0.4px; line-height: 1.3; color: #fff;
}

/* ------------------------------------------------ release checks */
.hwb-rhythm { padding-bottom: clamp(64px, 7.2vw, 104px); }
.hwb-rhythm .sec-head > p { max-width: 380px; }
.hwb-rhythm__body {
  margin-top: 50px;
  display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 28px; align-items: stretch;
}
.hwb-checks, .hwb-promises {
  background: var(--surface); border-radius: 32px; box-shadow: var(--shadow);
}
.hwb-checks { padding: clamp(28px, 3.1vw, 44px); display: flex; flex-direction: column; gap: 28px; }
.hwb-card-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.hwb-card-title { font-family: var(--display); font-size: 19px; letter-spacing: -0.5px; line-height: 1.3; }
.hwb-card-tag { font-size: 13px; font-weight: 600; color: var(--ink-3); }
.hwb-checks__list { display: flex; flex-direction: column; }
.hwb-checks__list li {
  display: flex; align-items: flex-start; gap: 18px; padding: 20px 0;
}
.hwb-checks__list li:first-child { padding-top: 0; }
.hwb-checks__list li:last-child { padding-bottom: 0; }
.hwb-checks__list li + li { border-top: 1px solid var(--line); }
.hwb-checks__tile.tile { --s: 44px; border-radius: 15px; box-shadow: none; }
.hwb-checks__tile.tile svg { width: 20px; height: 20px; }
.hwb-checks__list h4 { font-family: var(--display); font-size: 18px; letter-spacing: -0.5px; line-height: 1.3; }
.hwb-checks__list p { margin-top: 6px; font-size: 15px; line-height: 1.58; color: var(--ink-2); }

.hwb-promises { padding: 36px; display: flex; flex-direction: column; gap: 24px; }
.hwb-promise { display: flex; flex-direction: column; gap: 9px; }
.hwb-promise + .hwb-promise { padding-top: 24px; border-top: 1px solid var(--line); }
.hwb-promise__chip {
  align-self: flex-start; padding: 4px 9px; border-radius: 7px; background: var(--bg);
  font-size: 12px; font-weight: 600; color: var(--ink);
}
.hwb-promise p { font-size: 15px; line-height: 1.58; color: var(--ink-2); }

/* ------------------------------------------------------- CTA */
.hwb-cta {
  padding-bottom: clamp(64px, 6.6vw, 96px);
  display: flex; flex-direction: column; align-items: center; gap: 26px; text-align: center;
}
.hwb-cta__title {
  max-width: 760px;
  font-family: var(--display); font-size: clamp(34px, 3.4vw, 48px);
  letter-spacing: -1.5px; line-height: 1.08;
}
.hwb-cta__sub { max-width: 520px; font-size: 17px; line-height: 1.6; color: var(--ink-2); }
.hwb-cta__btns { padding-top: 12px; gap: 14px; justify-content: center; }

/* ------------------------------------------------------ responsive */
@media (max-width: 1080px) {
  .hwb-hero__row { gap: 48px; }
  .hwb-hero__meta { width: 360px; }
  .hwb-rail { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 40px; }
  .hwb-rail li:nth-child(3) .hwb-rail__line { background: transparent; }
  .hwb-rhythm__body { grid-template-columns: 1fr; }
  .hwb-example__list { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .hwb-hero__row { flex-direction: column; align-items: flex-start; gap: 28px; }
  .hwb-hero__meta { width: 100%; max-width: 520px; }
  .hwb-rail { grid-template-columns: 1fr; gap: 0; }
  .hwb-rail li {
    display: grid; grid-template-columns: 44px minmax(0, 1fr); column-gap: 20px;
    position: relative; padding-bottom: 28px;
  }
  .hwb-rail li:last-child { padding-bottom: 0; }
  .hwb-rail__row { grid-row: span 2; flex-direction: column; align-self: stretch; }
  .hwb-rail__line { flex: 1; width: 1px; height: auto; margin-bottom: -28px; }
  .js .hwb-rail [data-reveal] .hwb-rail__line { transform-origin: top center; }
  @media (prefers-reduced-motion: no-preference) {
    .js .hwb-rail [data-reveal] .hwb-rail__line { transform: scaleY(0); }
    .js .hwb-rail [data-reveal].is-in .hwb-rail__line { transform: none; }
  }
  .hwb-rail li:nth-child(3) .hwb-rail__line { background: var(--line); }
  .hwb-rail li:last-child .hwb-rail__line { background: transparent; }
  .hwb-rail__title { padding-top: 10px; }
  .hwb-rail li p { margin-top: 6px; }
  .hwb-filter__cols { grid-template-columns: 1fr; gap: 40px; }
  .hwb-filter__col--no { border-left: 0; padding-left: 0; }
}

@media (max-width: 560px) {
  .hwb-filter { border-radius: 28px; }
  .hwb-checks, .hwb-promises { border-radius: 28px; }
  .hwb-promises { padding: 28px 24px; }
  .hwb-example__list li { padding: 20px; }
}

@media (max-width: 560px) {
  /* Three short stats in one row; wrapping left "Android" alone on a
     second line. */
  .hwb-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
  .hwb-loop { padding-top: 48px; padding-bottom: 52px; }
}