/* =============================================================
   THE PLAN — stylesheet
   Editorial / clinical briefing aesthetic
   Fraunces (display) + Newsreader (body) + JetBrains Mono (data)
   ============================================================= */

:root {
  /* warm paper palette */
  --paper:        #F2EBDC;
  --paper-2:      #ECE3D0;
  --paper-3:      #E4D8BE;
  --ink:          #1A1612;
  --ink-2:        #3F362C;
  --ink-3:        #6B5E4F;
  --ink-mute:     #8C7F6E;

  /* accents */
  --rust:         #A8431F;   /* action / call to call */
  --rust-deep:    #7A2F11;
  --moss:         #4D5B33;   /* baseline / "boring stuff" */
  --moss-deep:    #353F22;
  --amber:        #B68526;   /* highlights, hover */

  /* layout */
  --max:          1180px;
  --gutter:       clamp(1.25rem, 4vw, 3rem);
  --rule:         #C2B59B;

  /* type */
  --display: 'Fraunces', 'Times New Roman', Georgia, serif;
  --body:    'Newsreader', 'Iowan Old Style', Georgia, serif;
  --mono:    'JetBrains Mono', 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.55;
  font-feature-settings: "ss01", "kern", "liga";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* paper grain */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: multiply;
  opacity: 0.30;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.6 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* warm gradient wash */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(168, 67, 31, 0.06), transparent 55%),
    radial-gradient(ellipse at 95% 100%, rgba(77, 91, 51, 0.05), transparent 55%);
}

a {
  color: var(--rust);
  text-decoration-color: rgba(168, 67, 31, 0.35);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color .18s ease, text-decoration-color .18s ease;
}
a:hover { color: var(--rust-deep); text-decoration-color: var(--rust-deep); }

::selection { background: rgba(168, 67, 31, 0.20); color: var(--ink); }

/* ============== reveal animation ============== */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: reveal 800ms cubic-bezier(.2, .65, .25, 1) both;
  animation-delay: var(--d, 0ms);
  position: relative;
  z-index: 2;
}
@keyframes reveal {
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; opacity: 1; transform: none; }
}

/* ============== masthead ============== */
.masthead {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(1.25rem, 3vw, 2rem) var(--gutter) 0;
  position: relative;
  z-index: 2;
}
.masthead__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: .65rem 0;
  flex-wrap: wrap;
}
.kicker {
  font-family: var(--body);
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.kicker.mono { font-family: var(--mono); letter-spacing: .04em; font-size: 12px; }

.rule {
  height: 1px;
  background: var(--rule);
  width: 100%;
}

/* ============== hero ============== */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 6rem) var(--gutter) clamp(2.5rem, 6vw, 4.5rem);
  position: relative;
  z-index: 2;
}
.display {
  font-family: var(--display);
  font-variation-settings: "opsz" 144, "SOFT" 50, "wght" 360;
  font-size: clamp(4.5rem, 14vw, 11rem);
  line-height: .92;
  letter-spacing: -0.035em;
  margin: .15em 0 .25em;
  color: var(--ink);
  font-style: normal;
}
.dek {
  font-family: var(--body);
  font-size: clamp(1.15rem, 1.6vw, 1.42rem);
  font-weight: 360;
  color: var(--ink-2);
  max-width: 38ch;
  line-height: 1.5;
  margin: 0 0 2.5rem;
}
.dek em {
  font-style: italic;
  color: var(--ink-3);
}
.dek-note {
  font-family: var(--body);
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  color: var(--ink-3);
  font-style: italic;
  max-width: 52ch;
  margin: -1.25rem 0 2.5rem;
  padding: .85rem 1.1rem;
  border-left: 2px solid var(--moss);
  background: rgba(77, 91, 51, 0.05);
  line-height: 1.5;
}

/* hero status */
.status {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: 2rem 0 0;
  border-top: 1px solid var(--rule);
}
@media (max-width: 720px) { .status { grid-template-columns: 1fr; } }

.status__label {
  display: block;
  font-family: var(--body);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: .9rem;
}
.status__big {
  font-family: var(--display);
  font-variation-settings: "opsz" 60, "wght" 380;
  font-size: clamp(1.5rem, 2.2vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--ink);
  margin: 0 0 1rem;
}
.status__sub {
  color: var(--ink-2);
  font-size: 1.02rem;
  line-height: 1.5;
  margin: 0;
}
.hl {
  background: linear-gradient(180deg, transparent 60%, rgba(168, 67, 31, 0.22) 60%);
  padding: 0 .1em;
}
.status__facts {
  list-style: none;
  margin: 0;
  padding: 0;
}
.status__facts li {
  padding: .55rem 0;
  border-bottom: 1px dashed rgba(108, 90, 60, 0.25);
  font-size: 1rem;
  color: var(--ink-2);
}
.status__facts li:last-child { border-bottom: 0; }
.muted { color: var(--ink-mute); font-style: italic; }

/* ============== sections ============== */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) var(--gutter);
  position: relative;
  z-index: 2;
}
.section--alt {
  background: var(--paper-2);
  max-width: 100%;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.section--alt > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.section--feature {
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  max-width: 100%;
  border-top: 1px solid var(--rule);
}
.section--feature > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.section--sources { padding-top: clamp(2rem, 4vw, 3.5rem); }

.section__header {
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
  position: relative;
  padding-top: 1.5rem;
}
.numeral {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--rust);
  margin-bottom: .7rem;
  text-transform: uppercase;
}
.section__header h2 {
  font-family: var(--display);
  font-variation-settings: "opsz" 144, "SOFT" 50, "wght" 380;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  line-height: .98;
  letter-spacing: -.03em;
  color: var(--ink);
  margin: 0 0 1rem;
  max-width: 22ch;
}
.section__lede {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--ink-2);
  max-width: 56ch;
  margin: 0;
  line-height: 1.5;
}

/* ============== steps ============== */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(1.5rem, 3vw, 2.25rem) 0;
  border-top: 1px solid var(--rule);
}
.step:first-child { border-top: 1px solid var(--ink); }
@media (max-width: 720px) {
  .step { grid-template-columns: 1fr; gap: 1rem; }
}
.step__num {
  font-family: var(--display);
  font-variation-settings: "opsz" 144, "SOFT" 100, "wght" 280;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
  color: var(--rust);
  letter-spacing: -.04em;
  font-feature-settings: "lnum";
  width: 4.5ch;
}
.step__body { min-width: 0; }
.step__title {
  font-family: var(--display);
  font-variation-settings: "opsz" 60, "wght" 440;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.18;
  letter-spacing: -.012em;
  margin: .15em 0 .65rem;
  color: var(--ink);
}
.step__title em {
  font-style: italic;
  font-variation-settings: "opsz" 60, "wght" 440, "SOFT" 100;
}
.step__why {
  color: var(--ink-2);
  margin: 0 0 1.5rem;
  font-size: 1.05rem;
  max-width: 60ch;
}

/* action blocks within a step */
.step__action {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
  padding: 1.25rem;
  background: rgba(168, 67, 31, 0.05);
  border: 1px solid rgba(168, 67, 31, 0.18);
  border-left: 3px solid var(--rust);
  border-radius: 2px;
}
.action-block { display: flex; flex-direction: column; gap: .35rem; min-width: 0; }
.action-block__label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--rust-deep);
  font-weight: 500;
}
.action-block__plain {
  font-size: 1.02rem;
  color: var(--ink);
}
.action-block__sub {
  font-size: .95rem;
  color: var(--ink-2);
  font-style: italic;
}

.phone {
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  letter-spacing: -.01em;
  color: var(--rust-deep);
  text-decoration: none;
  border-bottom: 2px solid rgba(168, 67, 31, 0.35);
  padding-bottom: 1px;
  display: inline-block;
  width: fit-content;
  transition: color .15s ease, border-color .15s ease, transform .15s ease;
}
.phone:hover {
  color: var(--rust);
  border-color: var(--rust);
  transform: translateY(-1px);
}

/* "what to say" block */
.step__say {
  margin: 1rem 0;
  padding: 1rem 1.25rem;
  background: var(--paper-3);
  border-radius: 2px;
  border-left: 3px solid var(--ink);
}
.step__say-label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: .4rem;
}
.step__say p {
  margin: 0;
  font-style: italic;
  color: var(--ink);
  font-size: 1.02rem;
  line-height: 1.55;
}

/* pinned critical note */
.step__pinned {
  margin: 1rem 0;
  padding: 1rem 1.25rem;
  background: rgba(182, 133, 38, 0.08);
  border: 1px solid rgba(182, 133, 38, 0.30);
  border-radius: 2px;
}
.pin {
  display: inline-block;
  background: var(--amber);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 1px;
  margin-bottom: .5rem;
  font-weight: 500;
}
.step__pinned p {
  margin: 0;
  color: var(--ink);
  font-size: .98rem;
}

/* refs row */
.step__refs {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  padding-top: .9rem;
  border-top: 1px dashed rgba(108, 90, 60, 0.25);
}
.step__refs a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-decoration: none;
  border-bottom: 1px dotted var(--ink-mute);
  padding-bottom: 1px;
}
.step__refs a:hover { color: var(--rust); border-bottom-style: solid; border-bottom-color: var(--rust); }

/* contacts grid (step 06) */
.contacts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}
.contact {
  padding: 1.25rem;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.contact__name {
  font-family: var(--display);
  font-variation-settings: "opsz" 30, "wght" 500;
  font-size: 1.12rem;
  color: var(--ink);
  margin-bottom: .15rem;
}
.contact__line { font-size: 1rem; }
.contact__line.phone { font-size: 1.15rem; }
.contact__note {
  font-size: .9rem;
  color: var(--ink-3);
  font-style: italic;
  margin-top: .25rem;
  line-height: 1.45;
}

/* ============== cards (Tier A) ============== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}
.card {
  display: flex;
  flex-direction: row;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 2px;
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  position: relative;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--ink-3);
  box-shadow: 0 12px 30px -16px rgba(26, 22, 18, 0.25);
}
.card--primary {
  border: 1px solid var(--rust);
  background: linear-gradient(180deg, rgba(168, 67, 31, 0.06), rgba(168, 67, 31, 0.02));
}
.card--primary:hover { border-color: var(--rust-deep); }

.card__rank {
  width: clamp(50px, 7vw, 72px);
  flex-shrink: 0;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 1.5rem 0;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .14em;
  position: relative;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}
.card--primary .card__rank { background: var(--rust); }

.card__body { padding: 1.5rem 1.75rem; flex: 1; min-width: 0; }
.card__tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: .8rem;
}
.card h3 {
  font-family: var(--display);
  font-variation-settings: "opsz" 60, "wght" 480;
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  line-height: 1.15;
  letter-spacing: -.018em;
  margin: 0 0 .5rem;
  color: var(--ink);
}
.card__lede {
  color: var(--ink-2);
  font-size: 1rem;
  margin: 0 0 1.25rem;
  line-height: 1.5;
}
.card__data {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: .35rem 1rem;
  margin: 0 0 1.25rem;
  font-size: .94rem;
  border-top: 1px dashed rgba(108, 90, 60, 0.30);
  padding-top: .9rem;
}
.card__data dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-top: .15rem;
}
.card__data dd { margin: 0; color: var(--ink-2); }
.card__data dd em { color: var(--ink-3); }

.card__action {
  margin: 0;
  padding: .8rem 1rem;
  background: rgba(168, 67, 31, 0.07);
  border-left: 2px solid var(--rust);
  font-size: .95rem;
  color: var(--ink);
  border-radius: 1px;
}
.card--primary .card__action {
  background: rgba(168, 67, 31, 0.10);
}

.mono { font-family: var(--mono); font-size: 0.95em; color: var(--ink-2); }

/* ============== checklist ============== */
.checklist {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
  gap: 1.5rem 2.5rem;
  border-top: 1px solid var(--moss);
  padding-top: 2rem;
}
.check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding-bottom: 1.25rem;
  border-bottom: 1px dashed rgba(77, 91, 51, 0.30);
}
.check__box {
  width: 22px;
  height: 22px;
  border: 2px solid var(--moss);
  border-radius: 2px;
  margin-top: .25rem;
  background: var(--paper);
  position: relative;
  flex-shrink: 0;
}
.check h4 {
  font-family: var(--display);
  font-variation-settings: "opsz" 36, "wght" 500;
  font-size: 1.18rem;
  margin: 0 0 .35rem;
  color: var(--ink);
  line-height: 1.25;
  letter-spacing: -.005em;
}
.check p {
  margin: 0;
  color: var(--ink-2);
  font-size: .98rem;
  line-height: 1.5;
}

/* ============== feature grid (lifestyle) ============== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
}
.feature {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: 2px;
  display: flex;
  flex-direction: column;
}
.feature--alarm {
  border: 1px solid var(--rust);
  background: linear-gradient(180deg, rgba(168, 67, 31, 0.04), transparent);
}
.feature h3 {
  font-family: var(--display);
  font-variation-settings: "opsz" 72, "wght" 460, "SOFT" 60;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.15;
  letter-spacing: -.018em;
  margin: 0 0 1rem;
  color: var(--ink);
}
.feature--alarm h3 { color: var(--rust-deep); }
.feature p { color: var(--ink-2); margin: 0 0 1rem; }

.feature__pull {
  margin: 1rem 0;
  padding: 1rem 1.25rem;
  background: var(--paper-3);
  border-left: 3px solid var(--moss);
  border-radius: 1px;
}
.pull__label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--moss-deep);
  margin-bottom: .4rem;
}
.feature__pull p { margin: 0; color: var(--ink); font-style: italic; font-size: 1rem; }

.bullets {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
}
.bullets li {
  margin-bottom: .55rem;
  color: var(--ink-2);
  line-height: 1.5;
}
.bullets li::marker { color: var(--rust); }
.bullets--neg li::marker { color: var(--ink-mute); }

/* dose-response table */
.dose {
  margin: 1.25rem 0;
  padding: 1.25rem;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 2px;
}
.dose__label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: .8rem;
}
.dose__table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--body);
  font-size: 1rem;
  margin-bottom: .8rem;
}
.dose__table thead th {
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
  border-bottom: 1px solid var(--rule);
  padding: .5rem .5rem .5rem 0;
}
.dose__table tbody td {
  padding: .65rem .5rem .65rem 0;
  border-bottom: 1px dashed rgba(108, 90, 60, 0.25);
  color: var(--ink-2);
}
.dose__table tbody tr:last-child td { border-bottom: 0; }
.dose__highlight td {
  color: var(--rust-deep) !important;
  font-size: 1.1rem;
}
.dose__caption {
  font-size: .85rem;
  color: var(--ink-3);
  margin: 0;
  font-style: italic;
}

/* ============== centers ============== */
.centers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}
.center {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 1.5rem 1.75rem;
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  transition: border-color .2s ease, transform .2s ease;
}
.center:hover { border-color: var(--ink-3); transform: translateY(-2px); }
.center--primary {
  border: 1px solid var(--rust);
  background: linear-gradient(180deg, rgba(168, 67, 31, 0.05), transparent);
}
.center__rank {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.center--primary .center__rank { color: var(--rust); }
.center h3 {
  font-family: var(--display);
  font-variation-settings: "opsz" 60, "wght" 500;
  font-size: 1.45rem;
  line-height: 1.15;
  letter-spacing: -.012em;
  margin: 0;
  color: var(--ink);
}
.center__doc { margin: 0; color: var(--ink-2); font-size: 1rem; }
.center__addr { margin: 0; color: var(--ink-3); font-size: .95rem; line-height: 1.4; }
.center__phone { margin-top: .3rem; }
.center__note { margin: .5rem 0 0; font-size: .92rem; color: var(--ink-3); line-height: 1.45; }

/* ============== prose (honest framing) ============== */
.prose {
  max-width: 62ch;
  font-size: clamp(1.08rem, 1.4vw, 1.2rem);
  line-height: 1.65;
  color: var(--ink-2);
}
.prose p { margin: 0 0 1.4em; }
.prose strong { color: var(--ink); }
.prose em { color: var(--ink-3); }

/* ============== sources ============== */
.sources {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 2rem 2.5rem;
  border-top: 1px solid var(--rule);
  padding-top: 2rem;
}
.sources h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 1rem;
}
.sources ul { list-style: none; padding: 0; margin: 0; }
.sources li {
  margin-bottom: .5rem;
  font-size: .92rem;
  line-height: 1.4;
}

/* ============== footer ============== */
.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(1.5rem, 3vw, 2.5rem) var(--gutter) clamp(2.5rem, 5vw, 4rem);
  position: relative;
  z-index: 2;
}
.footer__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .65rem 0 1.25rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__note {
  font-size: .9rem;
  color: var(--ink-mute);
  font-style: italic;
  max-width: 60ch;
  margin: 0;
  line-height: 1.5;
}

/* ============== mobile tweaks ============== */
@media (max-width: 540px) {
  body { font-size: 17px; }
  .display { font-size: 4.2rem; }
  .step__num { font-size: 2.5rem; }
  .step { padding: 1.25rem 0; }
  .card { flex-direction: row; }
  .card__rank { padding: 1rem 0; font-size: 11px; }
  .card__body { padding: 1.25rem 1.4rem; }
  .step__action { padding: 1rem; }
  .feature { padding: 1.4rem; }
}