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

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

:root {
  --canvas: #f7f7f4;
  --canvas-soft: #fafaf7;
  --ink: #26251e;
  --body: #5a5852;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --primary: #f54e00;
  --primary-active: #d04200;
  --on-primary: #ffffff;
  --surface-card: #ffffff;
  --surface-strong: #e6e5e0;
  --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 { 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;
  font-weight: 400;
  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;
}

.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;
}

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

.display-mega { font-size: 64px; letter-spacing: -2px; line-height: 1.1; }
.display-lg { font-size: 36px; letter-spacing: -0.72px; line-height: 1.2; }
.display-md { font-size: 26px; letter-spacing: -0.32px; line-height: 1.25; }
.display-sm { font-size: 22px; letter-spacing: -0.11px; line-height: 1.3; }
.title-md { font-size: 18px; font-weight: 600; line-height: 1.4; }
.title-sm { font-size: 16px; font-weight: 600; line-height: 1.4; }
.body-sm { font-size: 14px; line-height: 1.5; }
.caption { font-size: 13px; line-height: 1.4; color: var(--muted); }
.label-upper {
  font-size: 11px; font-weight: 600; letter-spacing: 0.88px;
  text-transform: uppercase; color: var(--muted);
}

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

.site-nav .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 24px;
}

.nav-logo {
  font-size: 18px; font-weight: 600;
  color: var(--ink); text-decoration: none;
  letter-spacing: -0.3px;
  flex-shrink: 0;
}
.nav-logo span { color: var(--primary); }

.nav-links {
  display: flex; align-items: center; gap: 8px;
  list-style: none; flex: 1; justify-content: center;
}

.nav-links a {
  font-size: 14px; font-weight: 500;
  color: var(--body); padding: 6px 12px;
  border-radius: var(--radius-md);
  transition: color .15s, background .15s;
}
.nav-links a:hover { color: var(--ink); background: var(--surface-strong); }
.nav-links a.active { color: var(--ink); }

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

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

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 500; line-height: 1;
  padding: 10px 18px; height: 40px;
  border-radius: var(--radius-md);
  border: none; cursor: pointer; transition: background .15s, color .15s;
  text-decoration: none;
}

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

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

.btn-ink {
  background: var(--ink); color: var(--canvas);
  padding: 12px 20px; height: 44px;
}
.btn-ink:hover { background: #3a3930; color: var(--canvas); }

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

.hero-content {
  max-width: 760px;
}

.hero-label { margin-bottom: 16px; }
.hero h1 {
  font-size: 56px; font-weight: 400;
  letter-spacing: -1.5px; line-height: 1.1;
  color: var(--ink); margin-bottom: 20px;
}
.hero-desc {
  font-size: 18px; line-height: 1.6; color: var(--body);
  max-width: 620px; margin-bottom: 32px;
}

.hero-img {
  margin-top: 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  aspect-ratio: 16/7; object-fit: cover;
  width: 100%;
}

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

.section-header { margin-bottom: 40px; }
.section-header .label-upper { margin-bottom: 12px; }
.section-header h2 { color: var(--ink); }

/* ARTICLE CARDS GRID */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.article-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color .2s;
  display: flex; flex-direction: column;
}
.article-card:hover { border-color: var(--hairline-strong); }

.article-card-img {
  aspect-ratio: 16/9; overflow: hidden;
}
.article-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .3s;
}
.article-card:hover .article-card-img img { transform: scale(1.03); }

.article-card-body {
  padding: 20px 20px 24px;
  flex: 1; display: flex; flex-direction: column; gap: 10px;
}

.article-card-meta {
  display: flex; align-items: center; gap: 10px;
}
.article-card-meta time { font-size: 13px; color: var(--muted); }

.article-card h3 {
  font-size: 17px; font-weight: 600; color: var(--ink);
  line-height: 1.35;
}
.article-card p { font-size: 14px; color: var(--body); line-height: 1.55; flex: 1; }

.article-card-link {
  font-size: 14px; font-weight: 500; color: var(--primary);
  margin-top: 4px; align-self: flex-start;
}
.article-card-link:hover { color: var(--primary-active); }

/* ARTICLE PAGE */
.article-hero {
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--hairline);
}
.article-hero .article-meta {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
}
.article-hero h1 {
  font-size: 42px; letter-spacing: -0.8px; line-height: 1.15;
  color: var(--ink); margin-bottom: 20px; max-width: 800px;
}
.article-hero .lead {
  font-size: 18px; line-height: 1.65; color: var(--body);
  max-width: 720px; margin-bottom: 32px;
}
.article-cover {
  width: 100%; aspect-ratio: 16/7;
  object-fit: cover; border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
}

.article-body {
  padding: 56px 0;
}
.article-body .layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 56px;
}

.article-content h2 {
  font-size: 26px; letter-spacing: -0.3px;
  color: var(--ink); margin: 36px 0 14px;
}
.article-content h3 {
  font-size: 20px; color: var(--ink); margin: 28px 0 10px;
}
.article-content p { margin-bottom: 18px; line-height: 1.7; color: var(--body); }
.article-content ul, .article-content ol {
  margin: 0 0 18px 20px; color: var(--body); line-height: 1.7;
}
.article-content li { margin-bottom: 6px; }
.article-content strong { color: var(--ink); font-weight: 600; }

.article-sidebar { }
.sidebar-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}
.sidebar-card h4 {
  font-size: 13px; font-weight: 600; letter-spacing: 0.5px;
  text-transform: uppercase; color: var(--muted);
  margin-bottom: 12px;
}
.sidebar-card ul { list-style: none; padding: 0; }
.sidebar-card li { padding: 8px 0; border-bottom: 1px solid var(--hairline-soft); }
.sidebar-card li:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-card li a { font-size: 14px; color: var(--body); line-height: 1.4; }
.sidebar-card li a:hover { color: var(--primary); }

.figure-wrap { margin: 28px 0; }
.figure-wrap img { border-radius: var(--radius-lg); border: 1px solid var(--hairline); width: 100%; }
.figure-wrap figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; padding: 0 4px; }

.infobox {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 16px 20px; margin: 24px 0;
}
.infobox p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--body); }

/* ABOUT section on homepage */
.about-band {
  background: var(--canvas-soft);
}
.about-band .about-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
}
.about-band h2 { margin-bottom: 16px; }
.about-band p { line-height: 1.7; margin-bottom: 16px; }

/* CONTACT FORM */
.contact-section { }
.form-wrap {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 640px;
}
.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;
  font-family: inherit; color: var(--ink);
  height: 44px; transition: border-color .15s;
  outline: none;
}
.form-group textarea { height: 120px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--ink);
}
.form-group .error-msg {
  font-size: 13px; color: var(--error); margin-top: 4px; display: none;
}
.form-status {
  margin-top: 14px; font-size: 14px; display: none;
}
.form-status.success { color: var(--success); }
.form-status.error { color: var(--error); }

/* FOOTER */
.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px;
}
.footer-brand p { font-size: 14px; color: var(--body); margin-top: 10px; line-height: 1.6; max-width: 280px; }
.footer-col h5 {
  font-size: 11px; font-weight: 600; letter-spacing: 0.88px;
  text-transform: uppercase; color: var(--muted); margin-bottom: 14px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col a { font-size: 14px; color: var(--body); }
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 13px; color: var(--muted); }

/* COOKIE BANNER */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--ink); color: var(--canvas);
  padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; z-index: 999;
  flex-wrap: wrap;
}
.cookie-banner p { font-size: 14px; line-height: 1.5; flex: 1; min-width: 240px; }
.cookie-banner a { color: var(--canvas); text-decoration: underline; }
.cookie-banner .cookie-btns { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-banner .btn-accept {
  background: var(--primary); color: #fff;
  border: none; padding: 8px 18px; border-radius: var(--radius-md);
  font-size: 14px; font-weight: 500; cursor: pointer;
}
.cookie-banner .btn-reject {
  background: transparent; color: var(--canvas);
  border: 1px solid rgba(255,255,255,0.35);
  padding: 8px 16px; border-radius: var(--radius-md);
  font-size: 14px; cursor: pointer;
}

/* PAGE HEADER (about, privacy, terms) */
.page-header {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--hairline);
}
.page-header h1 {
  font-size: 42px; letter-spacing: -0.8px; max-width: 700px;
  margin-top: 12px;
}
.page-header p { font-size: 17px; color: var(--body); margin-top: 12px; max-width: 600px; }
.page-content { padding: 56px 0 80px; }
.page-content .prose { max-width: 760px; }
.prose h2 { font-size: 24px; color: var(--ink); margin: 36px 0 12px; }
.prose h3 { font-size: 19px; color: var(--ink); margin: 24px 0 8px; }
.prose p { margin-bottom: 16px; line-height: 1.75; }
.prose ul, .prose ol { margin: 0 0 16px 22px; line-height: 1.75; }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--ink); font-weight: 600; }

/* BREADCRUMB */
.breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--muted); margin-bottom: 12px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--body); }
.breadcrumb span { color: var(--muted-soft); }

/* UPDATED DATE */
.updated-tag {
  font-size: 13px; color: var(--muted);
}

/* RELATED ARTICLES */
.related-section {
  border-top: 1px solid var(--hairline);
  padding: 56px 0;
}
.related-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 28px;
}

/* CONTENT GRID (about page) */
.content-grid-2-1 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 56px;
  align-items: start;
}

/* TOPICS GRID */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero h1 { font-size: 44px; }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
  .content-grid-2-1 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-body .layout { grid-template-columns: 1fr; }
  .article-sidebar { display: none; }
}

@media (max-width: 768px) {
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 32px; letter-spacing: -0.8px; }
  .hero-desc { font-size: 16px; }
  .section { padding: 56px 0; }
  .articles-grid { grid-template-columns: 1fr; }
  .topics-grid { grid-template-columns: 1fr; }
  .content-grid-2-1 { grid-template-columns: 1fr; }
  .about-band .about-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .related-grid { grid-template-columns: 1fr; }
  .article-hero h1 { font-size: 30px; }
  .nav-links { display: none; flex-direction: column; gap: 4px; }
  .nav-links.open {
    display: flex; position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 12px 16px; z-index: 99;
  }
  .nav-toggle { display: flex; align-items: center; }
  .site-nav .container { position: relative; }
  .form-wrap { padding: 24px; }
  .page-header h1 { font-size: 30px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 26px; }
  .display-lg { font-size: 26px; }
}