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

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

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

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

h1, h2, h3, h4, h5, h6 {
  color: var(--ink);
  font-weight: 400;
}
h1 { font-size: clamp(32px, 5vw, 56px); letter-spacing: -1.5px; line-height: 1.1; }
h2 { font-size: clamp(24px, 3vw, 36px); letter-spacing: -0.72px; line-height: 1.2; }
h3 { font-size: clamp(20px, 2.5vw, 26px); letter-spacing: -0.325px; line-height: 1.25; }
h4 { font-size: 22px; letter-spacing: -0.11px; line-height: 1.3; }
h5 { font-size: 18px; font-weight: 600; line-height: 1.4; }
h6 { font-size: 16px; font-weight: 600; line-height: 1.4; }

p { color: var(--body-color); line-height: 1.5; margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--hairline); text-underline-offset: 3px; transition: text-decoration-color 0.15s ease; }
a:hover { color: var(--primary); text-decoration-color: var(--primary); }

ul, ol { padding-left: 1.5rem; }
li { margin-bottom: 0.4rem; color: var(--body-color); line-height: 1.5; }

code, pre {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 13px;
}

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.label-upper {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---- TOP NAV ---- */
.site-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 200;
}
.site-nav .container {
  display: flex;
  align-items: center;
  height: 64px;
  gap: 32px;
}
.nav-brand {
  text-decoration: none;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.3px;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-brand:hover { color: var(--ink); text-decoration: none; }
.nav-brand span { color: var(--primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body-color);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--r-sm);
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--ink); background: var(--hairline-soft); }
.nav-links a.active { color: var(--ink); }

.nav-dropdown { position: relative; }
.nav-dropdown-toggle { cursor: pointer; display: flex; align-items: center; gap: 4px; }
.nav-dropdown-toggle svg { transition: transform 0.2s; }
.nav-dropdown.open .nav-dropdown-toggle svg { transform: rotate(180deg); }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 8px;
  min-width: 260px;
  z-index: 300;
}
.nav-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 14px;
  white-space: normal;
}
.nav-dropdown-menu a:hover { background: var(--canvas); }

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--ink);
  margin-left: auto;
}

.nav-mobile {
  display: none;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  padding: 16px 0;
}
.nav-mobile.open { display: block; }
.nav-mobile a {
  display: block;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--body-color);
  text-decoration: none;
}
.nav-mobile a:hover { color: var(--ink); background: var(--hairline-soft); }
.nav-mobile .nav-mobile-section { padding: 6px 24px; font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted-soft); margin-top: 8px; }

@media (max-width: 767px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; align-items: center; }
}

/* ---- HERO ---- */
.hero {
  padding: 80px 0 64px;
  background: var(--canvas);
}
.hero-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}
.hero h1 { margin-bottom: 20px; max-width: 720px; }
.hero-lead {
  font-size: 18px;
  line-height: 1.55;
  color: var(--body-color);
  max-width: 600px;
  margin-bottom: 0;
}
.hero-image {
  margin-top: 48px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}
.hero-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

/* ---- DIVIDER ---- */
.divider { height: 1px; background: var(--hairline); border: none; margin: 0; }

/* ---- CARDS ---- */
.card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 24px;
}
.card-image {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--surface-card);
}
.card-image img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}
.card-body { padding: 20px 0 0; }
.card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-strong);
  padding: 4px 10px;
  border-radius: var(--r-pill);
  margin-bottom: 10px;
}
.card-title {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: -0.2px;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 10px;
}
.card-title a { text-decoration: none; color: var(--ink); }
.card-title a:hover { color: var(--primary); text-decoration: none; }
.card-excerpt { font-size: 15px; color: var(--body-color); line-height: 1.5; }
.card-meta { font-size: 13px; color: var(--muted); margin-top: 12px; }

/* ---- ARTICLE GRID ---- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 1023px) { .articles-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 639px) { .articles-grid { grid-template-columns: 1fr; } }

/* ---- FEATURED ARTICLE ---- */
.featured-article {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 48px 0;
}
.featured-article:not(:last-child) { border-bottom: 1px solid var(--hairline); }
.featured-article.reverse { direction: rtl; }
.featured-article.reverse > * { direction: ltr; }
.featured-article-image {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}
.featured-article-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}
.featured-article-body {}
.featured-article-body .card-tag { margin-bottom: 12px; }
.featured-article-body h2 { font-size: 28px; letter-spacing: -0.5px; margin-bottom: 14px; line-height: 1.25; }
.featured-article-body h2 a { text-decoration: none; color: var(--ink); }
.featured-article-body h2 a:hover { color: var(--primary); }
.featured-article-body p { font-size: 16px; line-height: 1.6; }
.featured-article-body .read-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: 2px;
  transition: border-color 0.15s, color 0.15s;
}
.featured-article-body .read-link:hover { color: var(--primary); border-color: var(--primary); }

@media (max-width: 767px) {
  .featured-article { grid-template-columns: 1fr; gap: 24px; }
  .featured-article.reverse { direction: ltr; }
}

/* ---- ARTICLE PAGE ---- */
.article-header { padding: 64px 0 40px; }
.article-header .label-upper { margin-bottom: 12px; }
.article-header h1 { max-width: 780px; margin-bottom: 20px; }
.article-meta { font-size: 14px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 16px; }
.article-meta span { display: flex; align-items: center; gap: 6px; }

.article-hero-image {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  margin-bottom: 56px;
}
.article-hero-image img { width: 100%; height: 480px; object-fit: cover; }

.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 64px; align-items: start; }
@media (max-width: 1023px) { .article-layout { grid-template-columns: 1fr; } }

.article-content h2 { margin: 40px 0 16px; }
.article-content h3 { margin: 32px 0 12px; }
.article-content p { margin-bottom: 20px; }
.article-content ul, .article-content ol { margin-bottom: 20px; }
.article-content li { margin-bottom: 8px; }
.article-content a { color: var(--primary); text-decoration-color: transparent; }
.article-content a:hover { text-decoration-color: var(--primary); }
.article-content blockquote {
  border-left: 3px solid var(--primary);
  padding: 12px 20px;
  margin: 24px 0;
  background: var(--canvas-soft);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
}

.article-toc {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 24px;
  position: sticky;
  top: 80px;
}
.article-toc h6 { margin-bottom: 12px; color: var(--ink); }
.article-toc ul { list-style: none; padding: 0; }
.article-toc li { margin-bottom: 0; }
.article-toc a {
  display: block;
  font-size: 14px;
  color: var(--body-color);
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 1px solid var(--hairline-soft);
  transition: color 0.15s;
}
.article-toc li:last-child a { border-bottom: none; }
.article-toc a:hover { color: var(--primary); }

.info-box {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  margin: 24px 0;
}
.info-box h6 { margin-bottom: 8px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.5px; }
.info-box ul { margin: 0; padding-left: 1.2rem; }
.info-box li { font-size: 14px; margin-bottom: 4px; }

/* ---- RELATED ARTICLES ---- */
.related-articles { padding: 64px 0; border-top: 1px solid var(--hairline); }
.related-articles h2 { font-size: 22px; margin-bottom: 32px; }

/* ---- PAGE CONTENT (about, privacy, terms) ---- */
.page-header { padding: 64px 0 40px; border-bottom: 1px solid var(--hairline); }
.page-header h1 { font-size: 40px; letter-spacing: -0.8px; }
.page-header p { font-size: 17px; color: var(--muted); margin-top: 12px; margin-bottom: 0; }

.page-content { padding: 56px 0 80px; }
.page-content-inner { max-width: 740px; }
.page-content h2 { font-size: 22px; font-weight: 600; margin: 40px 0 12px; }
.page-content h3 { font-size: 18px; font-weight: 600; margin: 28px 0 10px; }
.page-content p { font-size: 16px; line-height: 1.7; margin-bottom: 16px; }
.page-content ul, .page-content ol { margin-bottom: 16px; }
.page-content li { font-size: 16px; line-height: 1.6; margin-bottom: 6px; }
.page-content a { color: var(--primary); }

/* ---- CONTACT FORM ---- */
.contact-section { padding: 64px 0; }
.contact-section h2 { font-size: 26px; letter-spacing: -0.325px; margin-bottom: 8px; }
.contact-section > .container > p { color: var(--muted); margin-bottom: 32px; }

.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: 6px; }
.form-group input, .form-group textarea {
  width: 100%;
  background: var(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-md);
  padding: 12px 16px;
  font-size: 16px;
  font-family: inherit;
  color: var(--ink);
  height: 44px;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  -webkit-appearance: none;
}
.form-group textarea { height: auto; min-height: 120px; resize: vertical; }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--muted-soft); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--ink); box-shadow: 0 0 0 2px rgba(38,37,30,0.08); }
.form-group input.error, .form-group textarea.error { border-color: var(--error); }
.form-error-msg { font-size: 13px; color: var(--error); margin-top: 4px; display: none; }
.form-error-msg.visible { display: block; }

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: var(--r-md);
  padding: 10px 20px;
  height: 40px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover { background: var(--primary-active); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
  background: var(--surface-card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-md);
  padding: 10px 20px;
  height: 40px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  display: inline-flex;
  align-items: center;
}
.btn-secondary:hover { background: var(--canvas-soft); border-color: var(--hairline-strong); }

.form-success {
  display: none;
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  color: var(--success);
  font-size: 15px;
  font-weight: 500;
  margin-top: 16px;
}
.form-success.visible { display: block; }

.spinner { width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.4); border-top-color: #fff; border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- FOOTER ---- */
.site-footer {
  background: 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: 40px;
  margin-bottom: 48px;
}
@media (max-width: 1023px) { .footer-grid { grid-template-columns: 1fr 1fr 1fr; } }
@media (max-width: 639px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 420px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand-col {}
.footer-wordmark { font-size: 16px; font-weight: 600; color: var(--ink); letter-spacing: -0.3px; margin-bottom: 10px; }
.footer-wordmark span { color: var(--primary); }
.footer-tagline { font-size: 14px; color: var(--muted); line-height: 1.5; }

.footer-col h6 { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.7px; color: var(--ink); margin-bottom: 14px; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 0; }
.footer-col a { font-size: 14px; color: var(--body-color); text-decoration: none; display: block; padding: 4px 0; transition: color 0.15s; }
.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;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 13px; color: var(--muted); margin: 0; }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 13px; color: var(--muted); text-decoration: none; }
.footer-bottom-links a:hover { color: var(--ink); }

/* ---- COOKIE BANNER ---- */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  background: var(--ink);
  color: var(--canvas);
  border-radius: var(--r-lg);
  padding: 20px 28px;
  max-width: 600px;
  width: calc(100% - 48px);
  box-shadow: 0 4px 24px rgba(38,37,30,0.18);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}
.cookie-banner.hidden { display: none; }
.cookie-text { font-size: 14px; line-height: 1.5; color: var(--canvas); flex: 1; min-width: 200px; }
.cookie-text a { color: var(--canvas); opacity: 0.7; }
.cookie-text a:hover { opacity: 1; }
.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-btn-accept {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: var(--r-md);
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s;
}
.cookie-btn-accept:hover { background: var(--primary-active); }
.cookie-btn-reject {
  background: transparent;
  color: var(--canvas);
  border: 1px solid rgba(247,247,244,0.3);
  border-radius: var(--r-md);
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.cookie-btn-reject:hover { border-color: rgba(247,247,244,0.6); background: rgba(247,247,244,0.08); }

/* ---- BREADCRUMB ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  font-size: 13px;
  color: var(--muted);
  list-style: none;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb li + li::before { content: "/"; color: var(--hairline-strong); }

/* ---- MISC ---- */
.text-muted { color: var(--muted); }
.text-small { font-size: 14px; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.section-title { margin-bottom: 40px; }

@media (max-width: 767px) {
  .hero { padding: 48px 0 40px; }
  .hero-image img { height: 260px; }
  .section { padding: 48px 0; }
  .article-hero-image img { height: 280px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}