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

*, *::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;
  --semantic-success: #1f8a65;
  --semantic-error: #cf2d56;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

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;
}

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

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-nav__logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-nav__logo span {
  color: var(--primary);
}

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

.site-nav__links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  line-height: 1.4;
  transition: color 0.15s;
}

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

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--ink);
  border-radius: 2px;
  transition: all 0.25s;
}

.nav-mobile {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background-color: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  padding: 16px 24px;
  z-index: 99;
}

.nav-mobile.open {
  display: block;
}

.nav-mobile ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-mobile ul a {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  padding: 10px 0;
  border-bottom: 1px solid var(--hairline-soft);
}

/* Hero */
.hero {
  padding: 80px 0;
  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(--ink);
  background-color: var(--surface-strong);
  border-radius: 9999px;
  padding: 4px 10px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 72px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -2.16px;
  color: var(--ink);
  max-width: 800px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 16px;
  color: var(--body);
  max-width: 560px;
  line-height: 1.5;
  margin-bottom: 32px;
}

/* Article grid */
.articles-section {
  padding: 80px 0;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 40px;
}

.section-title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  line-height: 1.2;
}

.section-link {
  font-size: 14px;
  color: var(--muted);
}

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

.article-card {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.15s;
}

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

.article-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.article-card__body {
  padding: 24px;
}

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

.article-card__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 12px;
}

.article-card__excerpt {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  margin-bottom: 16px;
}

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

/* Article featured (index hero article) */
.article-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 40px;
}

.article-featured__image {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.article-featured__body {
  padding: 40px 40px 40px 0;
}

.article-featured__tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.article-featured__title {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  line-height: 1.25;
  margin-bottom: 16px;
}

.article-featured__excerpt {
  font-size: 16px;
  color: var(--body);
  line-height: 1.5;
  margin-bottom: 24px;
}

/* Info sections */
.info-band {
  padding: 80px 0;
  border-top: 1px solid var(--hairline);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.info-card {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px;
}

.info-card__number {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--primary);
  margin-bottom: 8px;
}

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

.info-card__text {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
}

/* Article page */
.article-page {
  padding: 80px 0;
}

.article-page .container {
  max-width: 800px;
}

.article-header {
  margin-bottom: 48px;
}

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

.article-header h1 {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 20px;
}

.article-header__meta {
  font-size: 14px;
  color: var(--muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--hairline);
}

.article-header__cover {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 48px;
}

.article-content h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  line-height: 1.25;
  margin: 48px 0 16px;
}

.article-content h3 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.11px;
  color: var(--ink);
  line-height: 1.3;
  margin: 32px 0 12px;
}

.article-content p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.5;
  margin-bottom: 20px;
}

.article-content ul, .article-content ol {
  margin: 16px 0 20px 24px;
}

.article-content li {
  font-size: 16px;
  color: var(--body);
  line-height: 1.5;
  margin-bottom: 8px;
}

.article-content strong {
  color: var(--body-strong);
  font-weight: 600;
}

.article-content a {
  color: var(--primary);
  text-decoration: underline;
}

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

.article-info-box {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 32px 0;
}

.article-info-box p {
  margin-bottom: 0;
  font-size: 14px;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 14px;
}

.article-table th {
  background-color: var(--surface-strong);
  color: var(--ink);
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border: 1px solid var(--hairline);
}

.article-table td {
  padding: 12px 16px;
  border: 1px solid var(--hairline);
  color: var(--body);
  background-color: var(--surface-card);
}

.article-table tr:nth-child(even) td {
  background-color: var(--canvas-soft);
}

/* Page content (about, privacy, terms) */
.page-content {
  padding: 80px 0;
}

.page-content .container {
  max-width: 800px;
}

.page-content h1 {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 12px;
}

.page-content .updated {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--hairline);
}

.page-content h2 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.11px;
  color: var(--ink);
  margin: 40px 0 12px;
}

.page-content p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.5;
  margin-bottom: 16px;
}

.page-content ul {
  margin: 12px 0 16px 24px;
}

.page-content li {
  font-size: 16px;
  color: var(--body);
  line-height: 1.5;
  margin-bottom: 8px;
}

/* Contact Form */
.contact-section {
  padding: 80px 0;
  border-top: 1px solid var(--hairline);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info h2 {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.5;
  margin-bottom: 32px;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-detail-item {
  font-size: 14px;
  color: var(--body);
}

.contact-detail-item strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-form {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 32px;
}

.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-color: var(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 12px 16px;
  height: 44px;
  font-size: 16px;
  color: var(--ink);
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}

.form-group textarea {
  height: auto;
  min-height: 100px;
  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);
}

.btn-primary {
  display: inline-block;
  background-color: var(--primary);
  color: var(--on-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  line-height: 1;
  font-family: inherit;
  transition: background-color 0.15s;
}

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

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-success {
  display: none;
  background-color: #f0faf5;
  border: 1px solid #1f8a65;
  border-radius: 8px;
  padding: 16px;
  font-size: 14px;
  color: var(--semantic-success);
  margin-top: 16px;
}

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

/* Footer */
.site-footer {
  background-color: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px 0 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  margin-top: 12px;
  max-width: 240px;
}

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

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

.footer-col ul a {
  font-size: 14px;
  color: var(--body);
  transition: color 0.15s;
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--hairline-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

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

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: 13px;
  color: var(--muted);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--surface-card);
  border-top: 1px solid var(--hairline);
  padding: 20px 24px;
  z-index: 1000;
  display: none;
}

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

.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 p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  flex: 1;
  min-width: 200px;
}

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

.cookie-buttons {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.btn-cookie-accept {
  background-color: var(--ink);
  color: var(--canvas);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.btn-cookie-reject {
  background-color: transparent;
  color: var(--body);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--hairline-strong);
  cursor: pointer;
  font-family: inherit;
}

/* Disclaimer */
.disclaimer {
  background-color: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 32px 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* Breadcrumb */
.breadcrumb {
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline-soft);
  font-size: 13px;
  color: var(--muted);
}

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

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

.breadcrumb span {
  margin: 0 8px;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 56px;
    letter-spacing: -1.5px;
  }

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

  .footer-brand {
    grid-column: span 3;
  }

  .article-featured {
    grid-template-columns: 1fr;
  }

  .article-featured__image {
    height: 260px;
  }

  .article-featured__body {
    padding: 24px;
  }
}

@media (max-width: 768px) {
  .site-nav__links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero {
    padding: 48px 0;
  }

  .hero h1 {
    font-size: 32px;
    letter-spacing: -0.8px;
  }

  .articles-section {
    padding: 48px 0;
  }

  .articles-grid {
    grid-template-columns: 1fr;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .footer-brand {
    grid-column: span 2;
  }

  .section-header {
    flex-direction: column;
    gap: 8px;
  }

  .section-title {
    font-size: 26px;
  }
}

@media (max-width: 640px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}