@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;
  --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;
}

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

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

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

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

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

.nav-logo {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}

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

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

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  transition: color 0.15s;
}

.nav-links a:hover {
  color: var(--primary);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--ink);
}

.hero {
  padding: 80px 0;
}

.hero-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  background: var(--surface-strong);
  color: var(--ink);
  border-radius: 9999px;
  padding: 4px 10px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(34px, 4.5vw, 60px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--ink);
  max-width: 820px;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 18px;
  font-weight: 400;
  color: var(--body);
  line-height: 1.5;
  max-width: 580px;
  margin-bottom: 0;
}

.section {
  padding: 80px 0;
}

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

.section-title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 16px;
  color: var(--body);
  line-height: 1.5;
  max-width: 580px;
  margin-bottom: 40px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

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

.article-card:hover {
  border-color: var(--hairline-strong);
  text-decoration: none;
}

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

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

.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: 20px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.article-card-desc {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  flex: 1;
}

.article-card-meta {
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted-soft);
}

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

.featured-article {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 400px;
}

.featured-article img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-article-body {
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

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

.featured-title {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--ink);
  margin-bottom: 16px;
}

.featured-desc {
  font-size: 15px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 24px;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}

.link-arrow:hover { text-decoration: underline; }

.article-header {
  padding: 60px 0 40px;
}

.article-header h1 {
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--ink);
  max-width: 820px;
  margin-bottom: 20px;
}

.article-meta {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.article-meta span { display: flex; align-items: center; gap: 4px; }

.article-cover {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  margin-bottom: 48px;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

.article-body p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.65;
  margin-bottom: 20px;
}

.article-body h2 {
  font-size: 26px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin: 40px 0 16px;
}

.article-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin: 28px 0 10px;
}

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

.article-body li {
  font-size: 16px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 6px;
}

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

.article-body blockquote {
  border-left: 3px solid var(--primary);
  padding: 4px 0 4px 20px;
  margin: 24px 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}

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

.info-box-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--muted);
  margin-bottom: 12px;
}

.info-box p, .info-box li {
  font-size: 14px;
  color: var(--body);
  line-height: 1.55;
}

.info-box ul { margin-left: 18px; }

.article-sidebar {
  position: sticky;
  top: 80px;
}

.sidebar-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
}

.sidebar-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--muted);
  margin-bottom: 16px;
}

.sidebar-toc { list-style: none; }
.sidebar-toc li { margin-bottom: 10px; }
.sidebar-toc a {
  font-size: 14px;
  color: var(--body);
  line-height: 1.4;
}
.sidebar-toc a:hover { color: var(--ink); }

.related-articles {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--hairline);
  padding-bottom: 80px;
}

.related-articles h2 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-section {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 40px;
}

.form-title {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 8px;
}

.form-sub {
  font-size: 15px;
  color: var(--body);
  margin-bottom: 32px;
}

.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(--canvas);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 16px;
  color: var(--ink);
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  height: 44px;
  appearance: none;
}

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

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  height: 40px;
  transition: background 0.2s;
  font-family: inherit;
}

.btn-primary:hover { background: var(--primary-active); }
.btn-primary:disabled { opacity: 0.7; cursor: not-allowed; }

.form-message {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  display: none;
  line-height: 1.5;
}

.form-message.success {
  background: #e6f4ef;
  color: var(--success);
  display: block;
}

.form-message.error-msg {
  background: #fdeef2;
  color: var(--error);
  display: block;
}

.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 48px 0 32px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.55;
  max-width: 260px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }

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

.footer-col a:hover {
  color: var(--ink);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

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

#cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--canvas);
  border-radius: 12px;
  padding: 16px 24px;
  max-width: 640px;
  width: calc(100% - 48px);
  display: none;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  z-index: 9999;
  border: 1px solid rgba(255,255,255,0.08);
}

#cookie-banner p {
  font-size: 14px;
  line-height: 1.5;
  flex: 1;
  min-width: 200px;
}

#cookie-banner a { color: var(--canvas); text-decoration: underline; }

.cookie-actions { display: flex; gap: 8px; }

#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;
  font-family: inherit;
}

#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;
  font-family: inherit;
}

.page-header {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 48px;
}

.page-header h1 {
  font-size: clamp(30px, 3.5vw, 44px);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 12px;
}

.page-header .page-sub {
  font-size: 16px;
  color: var(--body);
  line-height: 1.5;
}

.page-content {
  max-width: 720px;
  padding-bottom: 80px;
}

.page-content h2 {
  font-size: 24px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.015em;
  margin: 40px 0 14px;
}

.page-content h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin: 24px 0 10px;
}

.page-content p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.65;
  margin-bottom: 16px;
}

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

.page-content li {
  font-size: 16px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 6px;
}

.page-content a { color: var(--primary); }

.updated-note {
  font-size: 13px;
  color: var(--muted-soft);
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-right: 6px;
  vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: none; }
}

@media (max-width: 900px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 16px 24px;
    gap: 0;
  }
  .nav-links li { border-bottom: 1px solid var(--hairline-soft); }
  .nav-links li:last-child { border-bottom: none; }
  .nav-links a { display: block; padding: 12px 0; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .featured-article { grid-template-columns: 1fr; }
  .featured-article img { height: 240px; }
  .featured-article-body { padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .hero { padding: 60px 0; }
  .related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .cards-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-section { padding: 24px; }
  .article-header { padding: 40px 0 24px; }
}