@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
  --canvas: #f7f7f4;
  --ink: #26251e;
  --primary: #f54e00;
  --primary-active: #d04200;
  --card: #ffffff;
  --surface-strong: #e6e5e0;
  --body: #5a5852;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --on-primary: #ffffff;
  --success: #1f8a65;
  --error: #cf2d56;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 400;
  color: var(--ink);
  line-height: 1.2;
}

h1 {
  font-size: 64px;
  letter-spacing: -2.16px;
}

h2 {
  font-size: 36px;
  letter-spacing: -0.72px;
}

h3 {
  font-size: 26px;
  letter-spacing: -0.325px;
}

p {
  color: var(--body);
  font-size: 16px;
  line-height: 1.5;
}

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

.section-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.badge {
  display: inline-block;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  border-radius: 9999px;
  padding: 4px 10px;
}

.divider {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 0;
}

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

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.5px;
  flex-shrink: 0;
}

.nav-logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  transition: color 0.2s;
  line-height: 1.4;
}

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

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--ink);
  line-height: 0;
}

.hero {
  padding: 80px 0 72px;
  border-bottom: 1px solid var(--hairline);
}

.hero-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 24px;
}

.hero h1 {
  max-width: 820px;
  margin-bottom: 24px;
}

.hero-lead {
  font-size: 18px;
  line-height: 1.6;
  max-width: 580px;
  margin-bottom: 0;
  color: var(--body);
}

.hero-image-wrap {
  margin-top: 48px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--hairline);
}

.hero-image-wrap img {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  display: block;
}

section {
  padding: 80px 0;
}

.section-heading {
  margin-bottom: 48px;
}

.section-heading .section-label {
  margin-bottom: 12px;
}

.section-heading h2 {
  font-size: 36px;
  letter-spacing: -0.72px;
}

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

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

.card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
  display: flex;
  flex-direction: column;
}

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

.card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.card-title {
  font-size: 22px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.11px;
  margin-bottom: 12px;
  line-height: 1.3;
}

.card-title a {
  color: var(--ink);
}

.card-title a:hover {
  color: var(--primary);
}

.card-desc {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}

.card-meta {
  font-size: 13px;
  color: var(--muted);
  margin-top: auto;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
  font-family: inherit;
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--hairline-strong);
  cursor: pointer;
  transition: border-color 0.2s;
  text-decoration: none;
  font-family: inherit;
}

.btn-secondary:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--muted);
  transition: color 0.2s;
}

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

.breadcrumb-sep {
  color: var(--muted-soft);
}

.page-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
}

.article-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
  max-width: 780px;
}

.article-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

.article-meta span {
  font-size: 13px;
  color: var(--muted);
}

.article-body {
  max-width: 780px;
  padding: 48px 0 80px;
}

.article-body h2 {
  font-size: 28px;
  letter-spacing: -0.56px;
  margin: 48px 0 20px;
}

.article-body h3 {
  font-size: 20px;
  letter-spacing: -0.2px;
  margin: 36px 0 14px;
  font-weight: 600;
}

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

.article-body ul,
.article-body ol {
  margin: 0 0 20px 24px;
  color: var(--body);
}

.article-body li {
  margin-bottom: 8px;
  line-height: 1.7;
  font-size: 16px;
}

.article-body a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-body a:hover {
  color: var(--primary);
}

.article-img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  margin: 32px 0 8px;
  display: block;
  object-fit: cover;
}

.article-img-caption {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 32px;
  display: block;
}

.info-box {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px;
  margin: 32px 0;
}

.info-box-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.info-box p {
  font-size: 15px;
  margin-bottom: 0;
}

.info-box ul {
  margin: 8px 0 0 20px;
  color: var(--body);
}

.info-box li {
  margin-bottom: 6px;
  font-size: 15px;
  line-height: 1.6;
}

.related-articles {
  border-top: 1px solid var(--hairline);
  padding-top: 48px;
  margin-top: 0;
}

.related-articles h3 {
  font-size: 22px;
  letter-spacing: -0.22px;
  margin-bottom: 32px;
}

.highlight-band {
  background: var(--card);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.contact-form {
  max-width: 560px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 16px;
  font-family: inherit;
  color: var(--ink);
  height: 44px;
  transition: border-color 0.2s;
  outline: none;
  display: block;
}

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

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--muted-soft);
}

.form-message {
  display: none;
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  font-size: 14px;
  color: var(--body);
}

.form-message.visible {
  display: block;
}

.form-message.success {
  border-color: var(--success);
  color: var(--success);
}

.form-message.loading {
  color: var(--muted);
}

.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 560px;
  background: var(--ink);
  color: var(--canvas);
  border-radius: 12px;
  padding: 20px 24px;
  display: none;
  z-index: 999;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.cookie-banner.visible {
  display: flex;
}

.cookie-banner p {
  color: var(--canvas);
  font-size: 14px;
  line-height: 1.5;
  flex: 1;
  min-width: 200px;
  margin: 0;
}

.cookie-banner a {
  color: var(--primary);
}

.cookie-banner a:hover {
  color: #ff7a44;
}

.cookie-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
}

.cookie-accept {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  height: 36px;
  font-family: inherit;
}

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

.cookie-reject {
  background: transparent;
  color: var(--canvas);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  height: 36px;
  font-family: inherit;
}

.cookie-reject:hover {
  border-color: rgba(255, 255, 255, 0.6);
}

footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 48px 0 40px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.footer-brand-name span {
  color: var(--primary);
}

.footer-brand p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  max-width: 260px;
}

.footer-col h4 {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.88px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 14px;
  color: var(--body);
  transition: color 0.2s;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 14px;
  color: var(--muted);
}

.legal-body {
  max-width: 780px;
  padding: 48px 0 80px;
}

.legal-body h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.22px;
  margin: 40px 0 16px;
  color: var(--ink);
}

.legal-body p {
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 1.75;
}

.legal-body ul {
  margin: 0 0 16px 20px;
  color: var(--body);
}

.legal-body li {
  margin-bottom: 8px;
  line-height: 1.6;
  font-size: 15px;
}

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

@media (max-width: 1023px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  h1 {
    font-size: 48px;
    letter-spacing: -1.44px;
  }
}

@media (max-width: 767px) {
  h1 {
    font-size: 34px;
    letter-spacing: -0.68px;
  }

  h2 {
    font-size: 28px;
    letter-spacing: -0.56px;
  }

  h3 {
    font-size: 22px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 16px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    padding: 12px 0;
    border-bottom: 1px solid var(--hairline-soft);
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-hamburger {
    display: block;
  }

  section {
    padding: 56px 0;
  }

  .hero {
    padding: 56px 0 48px;
  }

  .page-header {
    padding: 48px 0 32px;
  }

  .article-header {
    padding: 48px 0 32px;
  }

  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .cookie-banner {
    bottom: 16px;
    left: 16px;
    right: 16px;
  }

  .article-body h2 {
    font-size: 24px;
  }
}

@media (max-width: 479px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }
}