@charset "UTF-8";

:root {
  --fh-paper: #000000;
  --fh-surface: #1a1a1a;
  --fh-surface-soft: #0d0d0d;
  --fh-ink: #ffffff;
  --fh-body: #bbbbbb;
  --fh-body-strong: #e6e6e6;
  --fh-muted: #7e7e7e;
  --fh-line: #3c3c3c;
  --fh-line-dark: #262626;
  --fh-accent: #e6e6e6;
  --fh-accent-dark: #ffffff;
  --fh-accent-soft: #262626;
  --fh-charcoal: #0d0d0d;
  --fh-blue-dark: #1c69d4;
  --fh-max: 1180px;
  --fh-reading: 760px;
  --fh-radius: 0;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--fh-paper);
  color: var(--fh-ink);
  font-family: Inter, Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: 0;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible {
  outline: 3px solid rgba(28, 105, 212, 0.56);
  outline-offset: 4px;
}

.fh-shell {
  width: min(calc(100% - 48px), var(--fh-max));
  margin-inline: auto;
}

.fh-skip {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--fh-ink);
  color: var(--fh-paper);
  transform: translateY(-150%);
}

.fh-skip:focus {
  transform: translateY(0);
}

.fh-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.94);
  border-bottom: 1px solid var(--fh-line);
  backdrop-filter: blur(16px);
}

.fh-header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.fh-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.107em;
}

.fh-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.036em;
  color: var(--fh-body);
}

.fh-nav a {
  position: relative;
  padding: 22px 0 20px;
}

.fh-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 14px;
  left: 0;
  height: 2px;
  background: var(--fh-ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.fh-nav a:hover::after,
.fh-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.fh-hero {
  padding: 82px 0 74px;
  border-bottom: 1px solid var(--fh-line);
}

.fh-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(340px, 0.68fr);
  gap: clamp(64px, 9vw, 126px);
  align-items: center;
}

.fh-eyebrow,
.fh-kicker {
  margin: 0 0 22px;
  color: var(--fh-body-strong);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.107em;
  text-transform: uppercase;
}

.fh-hero h1 {
  margin: 0;
  font-size: clamp(42px, 5.3vw, 68px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.5px;
  text-wrap: balance;
}

.fh-hero-lead {
  max-width: 660px;
  margin: 28px 0 0;
  color: var(--fh-body);
  font-size: clamp(17px, 1.7vw, 20px);
  font-weight: 300;
  line-height: 1.55;
}

.fh-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.fh-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--fh-ink);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.107em;
  text-transform: uppercase;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.fh-button:hover {
  transform: translateY(-2px);
}

.fh-button-primary {
  background: transparent;
  color: var(--fh-ink);
}

.fh-button-primary:hover {
  background: var(--fh-ink);
  border-color: var(--fh-ink);
  color: var(--fh-paper);
}

.fh-button-secondary {
  background: transparent;
  border-color: var(--fh-line);
  color: var(--fh-body);
}

.fh-button-secondary:hover {
  background: var(--fh-surface);
  border-color: var(--fh-body);
  color: var(--fh-ink);
}

.fh-disclaimer {
  margin: 16px 0 0;
  color: var(--fh-muted);
  font-size: 12px;
}

.fh-now {
  position: relative;
  padding: 30px;
  background: var(--fh-charcoal);
  color: var(--fh-ink);
  border: 1px solid var(--fh-line);
  box-shadow: none;
}

.fh-now-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--fh-muted);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.fh-now-label {
  margin: 42px 0 12px;
  color: var(--fh-body-strong);
  font-size: 12px;
  font-weight: 700;
}

.fh-now h2 {
  margin: 0;
  font-size: clamp(25px, 2.2vw, 34px);
  line-height: 1.38;
  font-weight: 700;
  letter-spacing: -0.5px;
  text-wrap: balance;
}

.fh-now h2 a:hover {
  color: var(--fh-blue-dark);
}

.fh-now > p:not(.fh-now-label) {
  margin: 22px 0 0;
  color: var(--fh-body);
  font-size: 14px;
  line-height: 1.75;
}

.fh-now .fh-arrow-link {
  margin-top: 30px;
  color: var(--fh-ink);
}

.fh-arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--fh-ink);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.107em;
  text-transform: uppercase;
}

.fh-arrow-link:hover {
  color: var(--fh-blue-dark);
}

.fh-arrow-link span {
  transition: transform 180ms ease;
}

.fh-arrow-link:hover span {
  transform: translateX(5px);
}

.fh-start,
.fh-latest,
.fh-topics,
.fh-method {
  padding: 104px 0;
}

.fh-start,
.fh-topics {
  background: var(--fh-surface);
}

.fh-section-heading {
  margin-bottom: 42px;
}

.fh-section-heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}

.fh-section-heading .fh-kicker,
.fh-series-intro .fh-kicker,
.fh-method .fh-kicker,
.fh-weekly .fh-kicker {
  margin-bottom: 14px;
}

.fh-section-heading h2,
.fh-method h2,
.fh-weekly h2,
.fh-series-intro h2 {
  margin: 0;
  font-size: clamp(30px, 3.5vw, 45px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.fh-section-heading-row > p {
  margin: 0 0 4px;
  color: var(--fh-muted);
  font-size: 14px;
  line-height: 1.7;
  text-align: right;
}

.fh-start-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--fh-line-dark);
  border-bottom: 1px solid var(--fh-line-dark);
}

.fh-start-card {
  min-height: 262px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border-right: 1px solid var(--fh-line);
  transition: background-color 180ms ease, color 180ms ease;
}

.fh-start-card:last-child {
  border-right: 0;
}

.fh-start-card:hover {
  background: var(--fh-accent-soft);
  color: var(--fh-ink);
}

.fh-step {
  margin-bottom: 36px;
  color: var(--fh-body-strong);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.107em;
}

.fh-card-tag {
  color: var(--fh-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.107em;
  text-transform: uppercase;
}

.fh-start-card strong {
  margin-top: 9px;
  font-size: 22px;
  line-height: 1.42;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.fh-start-card > span:last-child {
  margin-top: auto;
  color: var(--fh-muted);
  font-size: 14px;
  line-height: 1.7;
}

.fh-start-card:hover > span:last-child {
  color: var(--fh-body);
}

.fh-feature {
  padding: 118px 0;
  background: var(--fh-paper);
  border-top: 1px solid var(--fh-line);
  border-bottom: 1px solid var(--fh-line);
}

.fh-feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: clamp(70px, 10vw, 146px);
  align-items: center;
}

.fh-feature-story h2 {
  margin: 0;
  font-size: clamp(38px, 4.8vw, 61px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.5px;
  text-wrap: balance;
}

.fh-feature-story h2 a:hover {
  color: var(--fh-blue-dark);
}

.fh-feature-lead {
  max-width: 680px;
  margin: 28px 0 0;
  color: var(--fh-body);
  font-size: 17px;
  font-weight: 300;
  line-height: 1.55;
}

.fh-feature-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 30px;
  color: var(--fh-muted);
  font-size: 12px;
}

.fh-feature-story .fh-arrow-link {
  margin-top: 30px;
}

.fh-feature-latest-head {
  margin: 92px 0 34px;
  padding-top: 48px;
  border-top: 1px solid var(--fh-line);
}

.fh-feature-latest-head h2 {
  margin: 0;
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.5px;
}

.fh-feature .fh-story-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fh-checklist {
  padding: 32px;
  background: var(--fh-surface);
  border: 1px solid var(--fh-line-dark);
}

.fh-checklist > p:first-child {
  margin: 0;
  color: var(--fh-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.107em;
  text-transform: uppercase;
}

.fh-checklist ol {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--fh-line);
}

.fh-checklist li {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 12px;
  align-items: center;
  min-height: 64px;
  border-bottom: 1px solid var(--fh-line);
}

.fh-checklist li span {
  color: var(--fh-body-strong);
  font-size: 11px;
  font-weight: 700;
}

.fh-checklist li strong {
  font-size: 15px;
}

.fh-checklist li em {
  color: var(--fh-muted);
  font-size: 12px;
  font-style: normal;
}

.fh-checklist-note {
  margin: 26px 0 0;
  color: var(--fh-body);
  font-size: 14px;
  line-height: 1.75;
}

.fh-story-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--fh-line-dark);
}

.fh-story-card {
  min-width: 0;
  border-right: 1px solid var(--fh-line);
  border-bottom: 1px solid var(--fh-line-dark);
}

.fh-story-card:last-child {
  border-right: 0;
}

.fh-story-card > a {
  min-height: 332px;
  display: flex;
  flex-direction: column;
  padding: 26px 24px;
  transition: background-color 180ms ease, transform 180ms ease;
}

.fh-story-card > a:hover {
  background: var(--fh-surface);
  transform: translateY(-4px);
}

.fh-story-card h3 {
  margin: 18px 0 0;
  font-size: 22px;
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: -0.5px;
  text-wrap: balance;
}

.fh-story-card p {
  margin: 18px 0 0;
  color: var(--fh-muted);
  font-size: 14px;
  line-height: 1.7;
}

.fh-read {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  color: var(--fh-muted);
  font-size: 12px;
}

.fh-read b {
  color: var(--fh-ink);
  font-size: 15px;
}

.fh-series {
  padding: 108px 0;
  background: var(--fh-charcoal);
  color: var(--fh-ink);
}

.fh-series-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(56px, 9vw, 120px);
}

.fh-series-intro > p:last-child {
  max-width: 400px;
  margin: 28px 0 0;
  color: var(--fh-body);
  font-size: 15px;
  line-height: 1.8;
}

.fh-series-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--fh-line);
}

.fh-series-list a {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  min-height: 96px;
  border-bottom: 1px solid var(--fh-line);
  transition: padding-left 180ms ease, color 180ms ease;
}

.fh-series-list a:hover {
  padding-left: 10px;
  color: var(--fh-blue-dark);
}

.fh-series-list span {
  color: var(--fh-body-strong);
  font-size: 11px;
  font-weight: 700;
}

.fh-series-list strong {
  font-size: 18px;
  line-height: 1.45;
}

.fh-series-list em {
  color: var(--fh-muted);
  font-size: 11px;
  font-style: normal;
}

.fh-topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--fh-line-dark);
}

.fh-topic-grid a {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 14px;
  align-items: center;
  min-height: 112px;
  padding: 0 24px;
  border-right: 1px solid var(--fh-line);
  border-bottom: 1px solid var(--fh-line-dark);
  transition: background-color 180ms ease;
}

.fh-topic-grid a:nth-child(2n) {
  border-right: 0;
}

.fh-topic-grid a:hover {
  background: var(--fh-accent-soft);
}

.fh-topic-grid span {
  color: var(--fh-body-strong);
  font-size: 11px;
  font-weight: 700;
}

.fh-topic-grid strong {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.fh-topic-grid em {
  color: var(--fh-muted);
  font-size: 13px;
  font-style: normal;
}

.fh-method {
  border-top: 1px solid var(--fh-line);
}

.fh-method-band {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr) auto;
  align-items: end;
  gap: clamp(34px, 6vw, 84px);
}

.fh-method-band h2 {
  max-width: 720px;
}

.fh-method-band > p {
  margin: 0;
  color: var(--fh-body);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.72;
}

.fh-method-band .fh-arrow-link {
  min-height: 44px;
  white-space: nowrap;
}

.fh-method-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: clamp(54px, 8vw, 112px);
}

.fh-method-items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px 38px;
}

.fh-method-items article {
  padding-top: 18px;
  border-top: 1px solid var(--fh-line-dark);
}

.fh-method-items span {
  color: var(--fh-body-strong);
  font-size: 11px;
  font-weight: 700;
}

.fh-method-items h3 {
  margin: 18px 0 0;
  font-size: 20px;
}

.fh-method-items p {
  margin: 10px 0 0;
  color: var(--fh-muted);
  font-size: 14px;
  line-height: 1.75;
}

.fh-weekly {
  position: relative;
  padding: 88px 0;
  background: var(--fh-surface);
  color: var(--fh-ink);
  border-top: 1px solid var(--fh-line);
}

.fh-weekly .fh-kicker {
  color: var(--fh-body-strong);
}

.fh-weekly-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 58px;
}

.fh-weekly h2 {
  font-size: clamp(38px, 4.5vw, 58px);
}

.fh-weekly p:not(.fh-kicker) {
  max-width: 650px;
  margin: 22px 0 0;
  color: var(--fh-body);
  font-size: 16px;
  line-height: 1.75;
}

.fh-weekly-actions {
  min-width: 214px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
}

.fh-button-light {
  background: transparent;
  border-color: var(--fh-ink);
  color: var(--fh-ink);
}

.fh-button-light:hover {
  background: var(--fh-ink);
  color: var(--fh-paper);
}

.fh-weekly-link {
  color: var(--fh-body);
  font-size: 13px;
  text-align: center;
}

.fh-weekly-link:hover {
  color: var(--fh-ink);
}

.fh-footer {
  padding: 66px 0 72px;
  background: var(--fh-paper);
  color: var(--fh-ink);
  border-top: 1px solid var(--fh-line);
}

.fh-footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: clamp(48px, 9vw, 120px);
}

.fh-footer-logo {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.107em;
}

.fh-footer-grid > div p,
.fh-copyright {
  margin: 18px 0 0;
  color: var(--fh-muted);
  font-size: 12px;
  line-height: 1.7;
}

.fh-footer nav {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 10px 28px;
  align-content: start;
  font-size: 13px;
  color: var(--fh-body);
}

.fh-footer nav a:hover {
  color: var(--fh-ink);
}

.fh-copyright {
  margin: 0;
  text-align: right;
}

@media (max-width: 980px) {
  .fh-hero-grid,
  .fh-feature-grid,
  .fh-series-grid,
  .fh-method-grid {
    grid-template-columns: 1fr;
  }

  .fh-hero-grid,
  .fh-feature-grid {
    gap: 58px;
  }

  .fh-now {
    max-width: 620px;
  }

  .fh-story-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fh-feature .fh-story-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .fh-method-band {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 0.62fr);
    align-items: start;
  }

  .fh-method-band .fh-arrow-link {
    grid-column: 1 / -1;
  }

  .fh-story-card:nth-child(2) {
    border-right: 0;
  }

  .fh-feature .fh-story-card:nth-child(2) {
    border-right: 1px solid var(--fh-line);
  }

  .fh-series-intro > p:last-child {
    max-width: 650px;
  }

  .fh-footer-grid {
    grid-template-columns: 1fr auto;
  }

  .fh-copyright {
    grid-column: 1 / -1;
    text-align: left;
  }
}

@media (max-width: 720px) {
  /* 2026-07-31 수정: 여기서 body의 word-break를 normal로 되돌리고 있었다.
     그 결과 모바일에서만 한국어가 글자 단위로 줄바꿈돼 「읽 / 는」, 「노렸다 / 는」처럼
     어절 중간이 끊겼다. 넘침 방지는 body의 overflow-wrap: break-word가 이미 담당하므로
     keep-all을 유지해도 긴 URL 등은 정상적으로 잘린다. */
  body {
    word-break: keep-all;
  }

  .fh-shell {
    width: min(calc(100% - 32px), var(--fh-max));
  }

  .fh-header-inner {
    min-height: 62px;
    align-items: flex-start;
    flex-direction: column;
    gap: 0;
    padding-top: 18px;
  }

  .fh-nav {
    width: 100%;
    gap: 0;
    justify-content: space-between;
    font-size: 13px;
  }

  .fh-nav a {
    padding: 14px 0 13px;
  }

  .fh-nav a::after {
    bottom: 8px;
  }

  .fh-hero {
    padding: 48px 0 58px;
  }

  .fh-hero-grid {
    gap: 38px;
  }

  .fh-hero h1 {
    font-size: clamp(32px, 8.6vw, 44px);
  }

  .fh-hero h1 br {
    display: none;
  }

  .fh-hero-lead {
    font-size: 17px;
  }

  .fh-actions {
    flex-direction: column;
  }

  .fh-button {
    width: 100%;
  }

  .fh-now {
    padding: 26px;
    box-shadow: none;
  }

  .fh-start,
  .fh-latest,
  .fh-topics,
  .fh-method {
    padding: 78px 0;
  }

  .fh-feature,
  .fh-series {
    padding: 82px 0;
  }

  .fh-section-heading-row,
  .fh-weekly-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .fh-section-heading-row > p {
    text-align: left;
  }

  .fh-start-grid,
  .fh-story-grid,
  .fh-topic-grid,
  .fh-method-items {
    grid-template-columns: 1fr;
  }

  .fh-feature .fh-story-grid,
  .fh-method-band {
    grid-template-columns: 1fr;
  }

  .fh-start-card,
  .fh-story-card,
  .fh-story-card:nth-child(2),
  .fh-topic-grid a,
  .fh-topic-grid a:nth-child(2n) {
    border-right: 0;
  }

  .fh-start-card {
    min-height: 230px;
    border-bottom: 1px solid var(--fh-line);
  }

  .fh-start-card:last-child {
    border-bottom: 0;
  }

  .fh-feature-story h2 br,
  .fh-series-intro h2 br {
    display: none;
  }

  .fh-checklist {
    padding: 24px;
  }

  .fh-feature-latest-head {
    margin-top: 66px;
    padding-top: 40px;
  }

  .fh-story-card > a {
    min-height: 282px;
    padding: 26px 8px;
  }

  .fh-series-list a {
    grid-template-columns: 1fr auto;
    gap: 8px 16px;
    padding: 20px 0;
  }

  .fh-series-list strong {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .fh-series-list em {
    grid-column: 2;
    grid-row: 1;
  }

  .fh-topic-grid a {
    grid-template-columns: 36px 1fr;
    padding: 22px 8px;
  }

  .fh-topic-grid em {
    grid-column: 2;
  }

  .fh-weekly {
    padding: 72px 0;
  }

  .fh-weekly-actions {
    width: 100%;
    min-width: 0;
  }

  .fh-footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .fh-footer nav {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Small-screen polish: fluid type, touch targets, and overflow control */
img,
video,
canvas,
svg,
iframe {
  max-width: 100%;
  height: auto;
}

.fh-button,
.fh-nav a,
.fh-topic-grid a,
.fh-series-list a {
  min-height: 44px;
}

.fh-start-card,
.fh-story-card,
.fh-topic-grid a,
.fh-series-list a,
.fh-method-items > *,
.fh-now {
  min-width: 0;
  overflow-wrap: anywhere;
}

@media (max-width: 520px) {
  .fh-shell {
    width: min(calc(100% - 28px), var(--fh-max));
  }

  .fh-header-inner {
    padding-top: 14px;
  }

  .fh-nav {
    justify-content: flex-start;
    gap: 22px;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .fh-nav::-webkit-scrollbar {
    display: none;
  }

  .fh-nav a {
    flex: 0 0 auto;
    padding: 13px 0 12px;
  }

  .fh-hero {
    padding: 46px 0 54px;
  }

  .fh-hero-grid,
  .fh-feature-grid {
    gap: 42px;
  }

  .fh-hero h1 {
    font-size: clamp(28px, 8.2vw, 36px);
    line-height: 1.2;
    letter-spacing: -0.3px;
  }

  .fh-hero-lead {
    font-size: 16px;
    line-height: 1.68;
  }

  .fh-now {
    padding: 21px 19px;
  }

  .fh-hero-grid {
    gap: 32px;
  }

  .fh-start,
  .fh-latest,
  .fh-topics,
  .fh-method {
    padding: 62px 0;
  }

  .fh-feature,
  .fh-series {
    padding: 66px 0;
  }

  .fh-feature-latest-head {
    margin: 56px 0 28px;
    padding-top: 34px;
  }

  .fh-section-heading-row h2,
  .fh-feature-story h2,
  .fh-series-intro h2,
  .fh-weekly h2 {
    font-size: clamp(31px, 10vw, 42px);
    line-height: 1.18;
  }

  .fh-section-heading-row {
    margin-bottom: 34px;
  }

  .fh-start-card {
    min-height: 0;
    padding: 27px 8px 30px;
  }

  .fh-story-card > a {
    min-height: 0;
    padding: 24px 6px 28px;
  }

  .fh-feature-story,
  .fh-checklist,
  .fh-series-list {
    min-width: 0;
  }

  .fh-checklist {
    padding: 21px 18px;
  }

  .fh-series-list a {
    padding: 18px 0;
  }

  .fh-topic-grid a {
    grid-template-columns: 30px minmax(0, 1fr);
    padding: 19px 6px;
  }

  .fh-topic-grid em {
    grid-column: 2;
  }

  .fh-weekly {
    padding: 58px 0;
  }

  .fh-footer {
    padding: 50px 0 56px;
  }

  .fh-footer nav {
    gap: 10px 20px;
  }
}

/* Unused legacy selectors for .fh-series and .fh-topics are retained for rollback. */

@media (max-width: 360px) {
  .fh-shell {
    width: min(calc(100% - 24px), var(--fh-max));
  }

  .fh-nav {
    gap: 18px;
    font-size: 12px;
  }

  .fh-actions {
    gap: 10px;
  }

  .fh-button {
    padding-right: 16px;
    padding-left: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}