/* ============================================================
 * Free Tools index — The Gate Review
 * A triage desk: three graded tiles, one review sheet open under the chosen one.
 * ============================================================ */

.page-tools { background: var(--gr-paper); color: var(--gr-ink); font-family: var(--gr-sans); }
.page-tools main { overflow-x: clip; }
.page-tools :where(h1, h2, h3, p, dl, dd) { margin: 0; }

/* ============ Hero ============ */
.desk-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--gr-navy);
  color: var(--gr-on-navy);
  padding: clamp(2.25rem, 5vh, 3.75rem) var(--gr-gutter) clamp(3rem, 6vh, 4.5rem);
}
/* the floating header sits over the hero, so the hero starts under it */
.js .desk-hero { padding-top: calc(77px + clamp(2.25rem, 5vh, 3.75rem)); }
/* the swirl runs the full height of the navy field, cropped off the right edge */
.desk-hero__swirl {
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  right: clamp(-320px, -16vw, -80px);
  aspect-ratio: 1;
  background: linear-gradient(225deg, var(--gr-sky) 0%, var(--gr-navy-3) 32%, var(--gr-navy-2) 78%);
  -webkit-mask: url("../images/brand/bor-swirl-white.svg") center / contain no-repeat;
          mask: url("../images/brand/bor-swirl-white.svg") center / contain no-repeat;
  pointer-events: none;
}
.desk-hero__inner { max-width: var(--gr-max); margin: 0 auto; }
.desk-hero__copy {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 1.5rem clamp(2rem, 5vw, 4.5rem);
  align-items: end;
  margin-bottom: clamp(2.25rem, 5vh, 3.25rem);
}

.desk-hero__title {
  font-family: var(--gr-display);
  font-weight: 700;
  letter-spacing: -0.045em;
  font-size: clamp(3.1rem, 5.6vw, 5rem);
  line-height: 0.94;
  color: var(--gr-on-navy);
  text-wrap: balance;
  max-width: 15ch;
}
.desk-hero__lede {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--gr-on-navy-2);
  max-width: 50ch;
}
.desk-hero__note {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin-top: 1.25rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gr-on-navy);
}
.desk-hero__note::before {
  content: "";
  flex: none;
  width: 7px; height: 7px;
  margin-top: 0.5em;
  background: var(--gr-aqua);
}

/* ============ Triage band ============ */
.triage {
  position: relative;
  padding-top: 1.75rem;
}
.triage__legend {
  font-family: var(--gr-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: clamp(1.25rem, 1.8vw, 1.5rem);
  line-height: 1.2;
  color: var(--gr-on-navy);
}

.triage__track { position: relative; margin-top: 1.1rem; }
.triage__line {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}
.pick { display: contents; }

/* Tiles take the stage-ramp shade of the first stage they serve */
.pick--launch   { --tile: #0A3F66; }
.pick--platform { --tile: #0A5280; }
.pick--quality  { --tile: #0A6FA8; }

.pick__tile {
  grid-row: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  min-height: 10.75rem;
  margin: 0;
  padding: 1.35rem 4rem 1.4rem 1.35rem;
  background: var(--tile);
  border: 0;
  border-radius: 0;
  color: var(--gr-on-navy);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 260ms var(--gr-ease), filter 260ms var(--gr-ease), box-shadow 260ms var(--gr-ease);
}
.pick__tile:hover { filter: brightness(1.14); transform: translateY(-3px); box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28); }
.pick__tile:focus-visible { outline: 2px solid var(--gr-aqua); outline-offset: 3px; }
.pick.is-open .pick__tile { box-shadow: inset 0 0 0 2px var(--gr-aqua); }
.pick.is-open .pick__tile:hover { box-shadow: inset 0 0 0 2px var(--gr-aqua), 0 10px 24px rgba(0, 0, 0, 0.28); }

/* the open/close sign: a plus that becomes a filled minus */
.pick__tile::after {
  content: "";
  position: absolute;
  top: 1.35rem; right: 1.15rem;
  width: 26px; height: 26px;
  border: 1px solid rgba(176, 242, 250, 0.55);
  background:
    linear-gradient(var(--gr-aqua), var(--gr-aqua)) center / 11px 1.5px no-repeat,
    linear-gradient(var(--gr-aqua), var(--gr-aqua)) center / 1.5px 11px no-repeat;
  transition: background-color 220ms var(--gr-ease);
}
.pick__tile:hover::after { background-color: rgba(176, 242, 250, 0.14); }
.pick.is-open .pick__tile::after {
  border-color: var(--gr-aqua);
  background: linear-gradient(var(--gr-navy), var(--gr-navy)) center / 11px 1.5px no-repeat, var(--gr-aqua);
}

.pick__for {
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.005em;
  color: #E6F1F7;
}
.pick__prompt {
  margin-top: 0.45rem;
  font-family: var(--gr-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: clamp(1.15rem, 1.65vw, 1.4rem);
  line-height: 1.25;
  color: var(--gr-on-navy);
  text-wrap: balance;
  max-width: 24ch;
}
.pick__flag {
  display: none;
  margin-top: auto;
  padding: 0.18rem 0.45rem;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gr-navy);
  background: var(--gr-aqua);
}
.pick.is-remembered:not(.is-open) .pick__flag { display: inline-block; }
.pick.is-remembered:not(.is-open) .pick__prompt { margin-bottom: 1rem; }

/* Marker: a 3px aqua bar that rides the tiles' top edge to the chosen one */
.triage__marker {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  height: 3px;
  width: var(--marker-w, 0px);
  transform: translateX(var(--marker-x, 0px));
  background: var(--gr-aqua);
  opacity: 0;
  pointer-events: none;
  transition: transform 520ms var(--gr-ease), opacity 200ms linear;
}
.triage__track[data-active] .triage__marker { opacity: 1; }

/* ============ The review sheet ============ */
.pick__sheet { grid-column: 1 / -1; }
.js .pick__sheet { display: none; grid-row: 2; }
.js .pick.is-open .pick__sheet {
  display: block;
  animation: pick-sheet 560ms var(--gr-ease) both;
}
@keyframes pick-sheet {
  from { clip-path: inset(0 var(--clip-r, 0px) 100% var(--clip-l, 0px)); }
  to   { clip-path: inset(0 0 0 0); }
}
.pick__sheet-inner {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 2rem clamp(2rem, 5vw, 4.5rem);
  background: var(--gr-paper);
  color: var(--gr-ink);
  padding: clamp(1.5rem, 2.8vw, 2.25rem) clamp(1.5rem, 3.5vw, 2.75rem);
}
.pick__title {
  font-family: var(--gr-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: clamp(1.6rem, 2.7vw, 2.35rem);
  line-height: 1.18;
  color: var(--gr-navy);
  text-wrap: balance;
  max-width: 22ch;
}
.pick__body {
  margin-top: 1.1rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gr-ink);
  max-width: 56ch;
}

.pick__side { display: flex; flex-direction: column; gap: 1.5rem; }

.pick__action {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 52px;
  padding: 0 1.5rem;
  background: var(--gr-navy-2);
  color: #fff;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.005em;
  text-decoration: none;
  transition: background-color 220ms var(--gr-ease);
}
.pick__action svg { flex: none; transition: transform 320ms var(--gr-ease); }
.pick__action:hover,
.pick__action:focus-visible { background: var(--gr-navy); color: #fff; }
.pick__action:hover svg,
.pick__action:focus-visible svg { transform: translateX(4px); }

/* ============ How it works ============ */
.steps {
  background: var(--gr-paper);
  padding: clamp(3.5rem, 7vw, 5rem) var(--gr-gutter) clamp(4rem, 8vw, 5.5rem);
}
.steps__inner {
  position: relative;
  max-width: var(--gr-max);
  margin: 0 auto;
  padding-top: 2.5rem;
  border-top: 1px solid var(--gr-rule);
}
/* the post at the left end of the section's gate line */
.steps__inner::before {
  content: "";
  position: absolute;
  top: -4px; left: 0;
  width: 7px; height: 7px;
  background: var(--gr-navy);
}
.steps__title {
  font-family: var(--gr-display);
  font-weight: 650;
  letter-spacing: -0.02em;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.1;
  color: var(--gr-navy);
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}
.steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--gr-navy);
}
.step {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 5fr) minmax(0, 7fr);
  gap: 0.5rem clamp(1.5rem, 4vw, 3.5rem);
  align-items: baseline;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--gr-rule);
}
.step__num {
  font-family: var(--gr-display);
  font-weight: 650;
  letter-spacing: -0.02em;
  font-size: clamp(1.3rem, 1.9vw, 1.6rem);
  line-height: 1;
  color: var(--gr-navy-2);
  font-variant-numeric: lining-nums tabular-nums;
}
.step__name {
  font-family: var(--gr-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  line-height: 1.25;
  color: var(--gr-navy);
}
.step__body { font-size: 1rem; line-height: 1.7; color: var(--gr-ink); max-width: 52ch; }
.step__body a {
  color: var(--gr-navy-2);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}
.step__body a:hover { color: var(--gr-navy); }

.steps__disclaimer {
  margin-top: 2rem;
  margin-left: calc(4.5rem + clamp(1.5rem, 4vw, 3.5rem));
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--gr-ink-2);
  max-width: 68ch;
}

/* ============ Responsive ============ */
@media (max-width: 1080px) {
  .pick__tile { min-height: 12rem; }
  .pick__sheet-inner { grid-template-columns: minmax(0, 1fr); }
  .pick__side { flex-direction: row; flex-wrap: wrap; align-items: flex-end; gap: 1.5rem 2.5rem; }
}

@media (max-width: 900px) {
  .desk-hero { padding-top: 1.75rem; padding-bottom: 2.5rem; }
  .js .desk-hero { padding-top: calc(77px + 1.75rem); }
  .desk-hero__copy { grid-template-columns: minmax(0, 1fr); gap: 1.1rem; margin-bottom: 1.75rem; }
  .desk-hero__lede { font-size: 0.98rem; line-height: 1.6; }
  .desk-hero__note { margin-top: 0.9rem; font-size: 0.88rem; }
  .triage { padding-top: 1.4rem; }
  /* tiles stack as filled rows; each unfolds its own sheet in place */
  /* the swirl sits behind the copy here, so it keeps to the deepest tones */
  .desk-hero__swirl { width: 118vw; top: 0; bottom: auto; right: -40vw; background: linear-gradient(225deg, var(--gr-navy-3) 0%, var(--gr-navy-2) 70%); }
  .triage__line { grid-template-columns: minmax(0, 1fr); }
  .pick__tile,
  .js .pick__sheet { grid-row: auto; }
  .pick__tile {
    min-height: 0;
    padding: 0.95rem 3rem 1rem 1rem;
  }
  .pick__for { font-size: 0.8rem; }
  .pick__prompt { margin-top: 0.4rem; font-size: 1.05rem; max-width: none; }
  .pick__flag { margin-top: 0.6rem; }
  .pick.is-remembered:not(.is-open) .pick__prompt { margin-bottom: 0; }
  .pick__tile:hover { transform: none; box-shadow: none; }
  .pick.is-open .pick__tile:hover { box-shadow: inset 0 0 0 2px var(--gr-aqua); }
  /* the sign becomes a chevron */
  .pick__tile::after,
  .pick.is-open .pick__tile::after {
    top: 1.3rem; right: 1.15rem;
    width: 10px; height: 10px;
    border: 0;
    border-right: 1.5px solid var(--gr-aqua);
    border-bottom: 1.5px solid var(--gr-aqua);
    background: none;
    transform: rotate(45deg);
    transition: transform 260ms var(--gr-ease);
  }
  .pick.is-open .pick__tile::after { transform: rotate(-135deg) translate(-3px, -3px); }
  .pick__tile:hover::after { background: none; }
  .triage__marker { display: none; }
  .js .pick.is-open .pick__sheet { animation-name: pick-sheet-drop; }
  .pick__sheet { margin-bottom: 0; }
  .pick__sheet-inner { padding: 1.5rem 1.25rem 1.75rem; }
  .pick__side { flex-direction: column; align-items: stretch; }
  .pick__action { align-self: stretch; justify-content: space-between; }

  .step { grid-template-columns: 2.75rem minmax(0, 1fr); }
  .step__body { grid-column: 2; }
  .steps__disclaimer { margin-left: 0; }
}
@keyframes pick-sheet-drop {
  from { clip-path: inset(0 0 100% 0); }
  to   { clip-path: inset(0 0 0 0); }
}

@media (max-width: 520px) {
  .desk-hero__title { font-size: clamp(2.6rem, 12vw, 3.1rem); }
}

@media (prefers-reduced-motion: reduce) {
  .pick__tile, .pick__tile::after, .pick__action, .pick__action svg { transition: none; }
  .pick__tile:hover { transform: none; }
  .triage__marker { transition: none; }
  .js .pick.is-open .pick__sheet { animation: none; }
}