*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --canvas:        #f7f7f4;
  --canvas-soft:   #fafaf7;
  --surface-card:  #ffffff;
  --surface-strong:#e6e5e0;
  --hairline:      #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong:#cfcdc4;
  --ink:           #26251e;
  --body:          #5a5852;
  --muted:         #807d72;
  --muted-soft:    #a09c92;
  --primary:       #f54e00;
  --primary-active:#d04200;
  --on-primary:    #ffffff;
  --success:       #1f8a65;
  --error:         #cf2d56;
  --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--body);
  background: var(--canvas);
}

a { color: var(--ink); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.rfj-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  height: 64px;
}
.rfj-nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.rfj-nav__wordmark {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
  white-space: nowrap;
  flex-shrink: 0;
}
.rfj-nav__menu {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: auto;
}
.rfj-nav__item a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}
.rfj-nav__item a:hover { color: var(--ink); text-decoration: none; background: var(--hairline-soft); }
.rfj-nav__item--active a { color: var(--ink); }
.rfj-nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 20px;
  color: var(--ink);
  margin-left: auto;
  padding: 8px;
}

.rfj-main { min-height: 60vh; }

.rfj-hero {
  background: var(--canvas);
  padding: 80px 24px 64px;
  text-align: center;
  border-bottom: 1px solid var(--hairline);
}
.rfj-hero__inner { max-width: 760px; margin: 0 auto; }
.rfj-hero__label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--surface-strong);
  color: var(--ink);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  margin-bottom: 24px;
}
.rfj-hero__h1 {
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 20px;
}
.rfj-hero__sub {
  font-size: 18px;
  color: var(--body);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto 32px;
}
.rfj-hero__updated {
  font-size: 13px;
  color: var(--muted);
}

.rfj-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
}
.rfj-section__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}
.rfj-section__title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 48px;
}
.rfj-section__title--sm {
  font-size: 26px;
  margin-bottom: 32px;
}

.rfj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.rfj-grid--2 { grid-template-columns: repeat(2, 1fr); }

.rfj-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s;
}
.rfj-card:hover { border-color: var(--hairline-strong); text-decoration: none; }
.rfj-card__img { width: 100%; height: 200px; object-fit: cover; }
.rfj-card__body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.rfj-card__tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.rfj-card__title {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.3;
}
.rfj-card__excerpt {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  flex: 1;
}
.rfj-card__meta {
  font-size: 13px;
  color: var(--muted);
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--hairline-soft);
}

.rfj-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}
.rfj-article__header { margin-bottom: 48px; }
.rfj-article__tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}
.rfj-article__title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 400;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1.15;
  margin-bottom: 20px;
}
.rfj-article__lead {
  font-size: 18px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 24px;
}
.rfj-article__meta {
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--hairline);
  padding-top: 16px;
}
.rfj-article__img {
  width: 100%;
  border-radius: var(--radius-lg);
  margin: 40px 0;
  border: 1px solid var(--hairline);
}
.rfj-article__caption {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  margin-top: -32px;
  margin-bottom: 40px;
}
.rfj-article h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 48px 0 16px;
  line-height: 1.25;
}
.rfj-article h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin: 32px 0 12px;
}
.rfj-article p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  margin-bottom: 20px;
}
.rfj-article ul, .rfj-article ol {
  padding-left: 20px;
  margin-bottom: 20px;
}
.rfj-article li {
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  margin-bottom: 8px;
  list-style: disc;
}
.rfj-article ol li { list-style: decimal; }
.rfj-article strong { color: var(--ink); font-weight: 600; }
.rfj-article a { color: var(--primary); }
.rfj-article a:hover { color: var(--primary-active); }

.rfj-table-wrap { overflow-x: auto; margin: 32px 0; }
.rfj-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.rfj-table th {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  padding: 10px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--ink);
  font-size: 13px;
}
.rfj-table td {
  border: 1px solid var(--hairline-soft);
  padding: 10px 16px;
  color: var(--body);
  vertical-align: top;
}
.rfj-table tr:nth-child(even) td { background: var(--canvas-soft); }

.rfj-callout {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 32px 0;
}
.rfj-callout p { margin: 0; font-size: 15px; }

.rfj-infobox {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 32px 0;
}
.rfj-infobox__title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.rfj-infobox p { margin-bottom: 8px; font-size: 14px; }
.rfj-infobox p:last-child { margin-bottom: 0; }

.rfj-form-section {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-top: 48px;
}
.rfj-form-section h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 8px;
}
.rfj-form-section p { font-size: 14px; color: var(--muted); margin-bottom: 32px; }
.rfj-form { display: flex; flex-direction: column; gap: 20px; }
.rfj-form__group { display: flex; flex-direction: column; gap: 6px; }
.rfj-form label {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}
.rfj-form input, .rfj-form textarea {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--ink);
  background: var(--canvas);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  height: 44px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}
.rfj-form input:focus, .rfj-form textarea:focus {
  border-color: var(--ink);
}
.rfj-form textarea { height: 120px; resize: vertical; }
.rfj-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.rfj-form__msg {
  font-size: 14px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  display: none;
}
.rfj-form__msg--success { background: #e8f5f1; color: var(--success); border: 1px solid #b5dfd3; }

.rfj-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  height: 40px;
  padding: 0 18px;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  transition: background 0.15s, color 0.15s;
}
.rfj-btn--primary { background: var(--primary); color: var(--on-primary); }
.rfj-btn--primary:hover { background: var(--primary-active); }
.rfj-btn--secondary {
  background: var(--surface-card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
}
.rfj-btn--secondary:hover { background: var(--canvas-soft); }

.rfj-cookie {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--canvas);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: none;
  align-items: center;
  gap: 24px;
  max-width: 640px;
  width: calc(100% - 48px);
  z-index: 999;
  box-shadow: 0 4px 24px rgba(38,37,30,0.15);
}
.rfj-cookie p { font-size: 14px; color: var(--canvas); line-height: 1.5; }
.rfj-cookie__actions { display: flex; gap: 10px; flex-shrink: 0; }
.rfj-cookie .rfj-btn--primary { background: var(--primary); }
.rfj-cookie .rfj-btn--secondary {
  background: transparent;
  color: var(--canvas);
  border-color: rgba(250,250,247,0.3);
}
.rfj-cookie .rfj-btn--secondary:hover { background: rgba(250,250,247,0.1); }

.rfj-breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px 0;
  font-size: 13px;
  color: var(--muted);
}
.rfj-breadcrumb a { color: var(--muted); }
.rfj-breadcrumb a:hover { color: var(--body); }

.rfj-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px 24px 48px;
  margin-top: 80px;
}
.rfj-footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}
.rfj-footer__brand {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  display: block;
  margin-bottom: 12px;
}
.rfj-footer__tagline { font-size: 14px; color: var(--muted); line-height: 1.6; }
.rfj-footer__heading {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 16px;
}
.rfj-footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.rfj-footer__col a { font-size: 14px; color: var(--body); }
.rfj-footer__col a:hover { color: var(--ink); text-decoration: none; }
.rfj-footer__contact { font-size: 14px; color: var(--body); line-height: 1.6; }
.rfj-footer__bottom {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.rfj-footer__bottom p { font-size: 13px; color: var(--muted); }
.rfj-footer__links a { font-size: 13px; color: var(--muted); }
.rfj-footer__links a:hover { color: var(--body); }

.rfj-related {
  border-top: 1px solid var(--hairline);
  padding-top: 48px;
  margin-top: 64px;
}
.rfj-related__title {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 24px;
}
.rfj-related__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.rfj-related__item {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.rfj-related__item h4 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.rfj-related__item p { font-size: 13px; color: var(--body); line-height: 1.5; }

.rfj-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}
.rfj-page h1 {
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 24px;
}
.rfj-page h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  margin: 40px 0 12px;
}
.rfj-page p { font-size: 16px; line-height: 1.75; color: var(--body); margin-bottom: 20px; }
.rfj-page ul { padding-left: 20px; margin-bottom: 20px; }
.rfj-page li { font-size: 16px; line-height: 1.75; color: var(--body); margin-bottom: 8px; list-style: disc; }
.rfj-page .rfj-updated { font-size: 13px; color: var(--muted); margin-bottom: 40px; }

.rfj-disclaimer {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 32px;
}

@media (max-width: 1024px) {
  .rfj-grid { grid-template-columns: repeat(2, 1fr); }
  .rfj-footer__inner { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .rfj-nav__toggle { display: block; }
  .rfj-nav__menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 16px 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .rfj-nav__menu.rfj-nav__menu--open { display: flex; }
  .rfj-nav { position: relative; }
  .rfj-grid { grid-template-columns: 1fr; }
  .rfj-grid--2 { grid-template-columns: 1fr; }
  .rfj-form__row { grid-template-columns: 1fr; }
  .rfj-footer__inner { grid-template-columns: 1fr 1fr; }
  .rfj-footer__bottom { flex-direction: column; align-items: flex-start; }
  .rfj-related__grid { grid-template-columns: 1fr; }
  .rfj-form-section { padding: 24px; }
  .rfj-cookie { flex-direction: column; align-items: flex-start; bottom: 0; border-radius: var(--radius-lg) var(--radius-lg) 0 0; width: 100%; }
}
@media (max-width: 480px) {
  .rfj-footer__inner { grid-template-columns: 1fr; }
  .rfj-section { padding: 48px 20px; }
  .rfj-article { padding: 40px 20px 64px; }
}