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

:root {
  --canvas: #f7f7f4;
  --canvas-soft: #fafaf7;
  --surface-card: #ffffff;
  --surface-strong: #e6e5e0;
  --primary: #f54e00;
  --primary-active: #d04200;
  --ink: #26251e;
  --body: #5a5852;
  --body-strong: #26251e;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --on-primary: #ffffff;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --success: #1f8a65;
  --error: #cf2d56;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--canvas);
  color: var(--body);
  font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 400;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--primary); }

img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.rh-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
}

.rh-nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.rh-nav__logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.11px;
}

.rh-nav__links {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.rh-nav__links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  transition: color 0.15s;
}

.rh-nav__links a:hover { color: var(--primary); }

.rh-nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.rh-nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.2s;
}

.hero {
  background: var(--canvas);
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--hairline);
}

.hero__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero__label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-strong);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  margin-bottom: 24px;
}

.hero__title {
  font-size: 52px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -1.5px;
  max-width: 720px;
  margin-bottom: 20px;
}

.hero__desc {
  font-size: 18px;
  color: var(--body);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: 40px;
}

.hero__img {
  margin-top: 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  max-height: 460px;
  width: 100%;
  object-fit: cover;
}

.section { padding: 80px 0; }

.section--alt { background: var(--canvas-soft); }

.section__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.section__title {
  font-size: 36px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.72px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section__desc {
  font-size: 16px;
  color: var(--body);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 48px;
}

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

.card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color 0.15s;
}

.card:hover { border-color: var(--hairline-strong); }

.card__tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-strong);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  display: inline-block;
  margin-bottom: 16px;
}

.card__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.card__title {
  font-size: 20px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.11px;
  line-height: 1.3;
  margin-bottom: 10px;
}

.card__title a { color: var(--ink); }
.card__title a:hover { color: var(--primary); }

.card__excerpt {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 20px;
}

.card__meta {
  font-size: 13px;
  color: var(--muted);
}

.article-hero {
  background: var(--canvas);
  padding: 64px 0 0;
  border-bottom: 1px solid var(--hairline);
}

.article-hero__inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px 48px;
}

.article-hero__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-strong);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  margin-bottom: 20px;
}

.article-hero__title {
  font-size: 42px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.article-hero__meta {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 32px;
}

.article-hero__img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  margin-top: 8px;
}

.article-body {
  padding: 64px 0 80px;
}

.article-body__inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.article-body__inner h2 {
  font-size: 26px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.325px;
  margin: 48px 0 16px;
}

.article-body__inner h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--body-strong);
  margin: 32px 0 12px;
}

.article-body__inner p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.75;
  margin-bottom: 20px;
}

.article-body__inner ul, .article-body__inner ol {
  margin: 0 0 20px 24px;
  color: var(--body);
  font-size: 16px;
  line-height: 1.75;
}

.article-body__inner li { margin-bottom: 6px; }

.article-body__inner a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }

.infobox {
  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;
}

.infobox p { margin: 0; font-size: 15px; }

.related-articles {
  background: var(--canvas-soft);
  border-top: 1px solid var(--hairline);
  padding: 64px 0;
}

.related-articles__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-body {
  max-width: 800px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}

.page-body h1 {
  font-size: 42px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.page-body .page-meta {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 48px;
}

.page-body h2 {
  font-size: 24px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.325px;
  margin: 40px 0 14px;
}

.page-body p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.75;
  margin-bottom: 20px;
}

.page-body ul, .page-body ol {
  margin: 0 0 20px 24px;
  font-size: 16px;
  color: var(--body);
  line-height: 1.75;
}

.page-body li { margin-bottom: 6px; }

.page-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }

.contact-form-section {
  background: var(--canvas-soft);
  border-top: 1px solid var(--hairline);
  padding: 80px 0;
}

.contact-form-section__inner {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 24px;
}

.form-title {
  font-size: 30px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.form-desc {
  font-size: 15px;
  color: var(--body);
  margin-bottom: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 15px;
  color: var(--ink);
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
  height: 44px;
}

.form-group textarea {
  height: 120px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--error);
}

.field-error {
  font-size: 13px;
  color: var(--error);
  margin-top: 4px;
  display: none;
}

.btn {
  display: inline-block;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  padding: 10px 20px;
  height: 40px;
  line-height: 1;
  transition: background 0.15s, color 0.15s;
}

.btn--primary {
  background: var(--primary);
  color: var(--on-primary);
}

.btn--primary:hover { background: var(--primary-active); }

.btn--secondary {
  background: var(--surface-card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
}

.btn--secondary:hover { background: var(--surface-strong); }

.btn--full { width: 100%; text-align: center; }

.form-status {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 15px;
}

.form-status--success {
  background: #e8f5ef;
  color: var(--success);
  border: 1px solid #b3ddc9;
}

.rh-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px 0 0;
}

.rh-footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.rh-footer__brand {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.rh-footer__tagline {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.rh-footer__heading {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.rh-footer__col ul { list-style: none; }

.rh-footer__col ul li {
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--body);
}

.rh-footer__col ul li a {
  color: var(--body);
  font-size: 14px;
}

.rh-footer__col ul li a:hover { color: var(--primary); }

.rh-footer__bottom {
  border-top: 1px solid var(--hairline);
  padding: 20px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.rh-footer__bottom p {
  font-size: 13px;
  color: var(--muted);
}

.rh-footer__bottom a { color: var(--muted); }
.rh-footer__bottom a:hover { color: var(--primary); }

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface-card);
  border-top: 1px solid var(--hairline-strong);
  z-index: 200;
  padding: 16px 24px;
}

.cookie-banner__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-banner__inner p {
  font-size: 14px;
  color: var(--body);
  flex: 1;
}

.cookie-banner__inner p a { color: var(--primary); text-decoration: underline; }

.cookie-banner__actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.disclaimer {
  background: var(--surface-strong);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 14px;
  color: var(--muted);
  margin: 32px 0;
}

@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .rh-footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .rh-nav__links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    flex-direction: column;
    padding: 16px 24px;
    gap: 0;
  }
  .rh-nav__links.open { display: flex; }
  .rh-nav__links li { width: 100%; }
  .rh-nav__links a { display: block; padding: 12px 0; border-bottom: 1px solid var(--hairline-soft); font-size: 15px; }
  .rh-nav__burger { display: flex; }

  .hero__title { font-size: 36px; }
  .article-hero__title { font-size: 30px; }
  .section__title { font-size: 28px; }
  .card-grid { grid-template-columns: 1fr; }
  .rh-footer__inner { grid-template-columns: 1fr; gap: 24px; }
  .cookie-banner__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .hero { padding: 48px 0 40px; }
  .hero__title { font-size: 30px; letter-spacing: -0.5px; }
  .section { padding: 48px 0; }
  .page-body h1 { font-size: 30px; }
}