/* ===================================
   PAGES CSS — GigSoul Content Hub
   Shared styles for /articles, /aipulse, /about
   =================================== */

/* ===================================
   SHARED PAGE LAYOUT
   =================================== */
.articles-page,
.aipulse-page,
.about-page {
  min-height: 100vh;
  background: var(--obsidian);
}

.page-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 72px 0 64px;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.page-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 20px;
}

.page-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 560px;
}

/* ===================================
   ARTICLES ARCHIVE
   =================================== */
.articles-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 32px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 64px;
  align-items: start;
}

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

.filter-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 12px;
}

.category-filters {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-link {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
  text-transform: capitalize;
}

.filter-link:hover { color: var(--text); background: var(--surface); }

.filter-link--active {
  color: var(--amber);
  background: var(--amber-glow);
}

.sidebar-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 28px 0;
}

.sidebar-cta {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.sidebar-cta-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 8px;
}

.sidebar-cta-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

.sidebar-form { display: flex; flex-direction: column; gap: 8px; }

.sidebar-email-input {
  width: 100%;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 0.8rem;
  color: var(--text);
  font-family: var(--font-body);
  transition: border-color 0.15s;
}

.sidebar-email-input::placeholder { color: var(--text-faint); }
.sidebar-email-input:focus { outline: none; border-color: var(--amber-dim); }

.articles-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.article-card {
  padding: 28px 0;
  border-top: 1px solid var(--border-subtle);
}

.article-card:first-child { border-top: none; padding-top: 0; }

.article-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.article-category {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-glow);
  padding: 2px 8px;
  border-radius: 3px;
}

.article-date {
  font-size: 0.75rem;
  color: var(--text-faint);
}

.article-title-link { text-decoration: none; }

.article-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin-bottom: 8px;
  transition: color 0.15s;
}

.article-title-link:hover .article-title { color: var(--amber); }

.article-excerpt {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 8px;
}

.article-author {
  font-size: 0.75rem;
  color: var(--text-faint);
  font-weight: 500;
}

.empty-state {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 32px 0;
}

/* ===================================
   ARTICLE DETAIL
   =================================== */
.article-page {
  min-height: 100vh;
  background: var(--obsidian);
  padding-bottom: 80px;
}

.article-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 32px 0;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 32px;
  transition: color 0.15s;
}

.back-link:hover { color: var(--text); }

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

.article-header .article-meta {
  margin-bottom: 16px;
}

.meta-sep { color: var(--text-faint); font-size: 0.75rem; }

.article-header .article-author { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }

.article-headline {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 20px;
}

.article-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-muted);
  font-style: italic;
  border-left: 3px solid var(--amber);
  padding-left: 20px;
  margin-bottom: 32px;
}

.article-body {
  border-top: 1px solid var(--border-subtle);
  padding-top: 40px;
}

.article-body p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 24px;
}

.article-body p:last-child { margin-bottom: 0; }

/* Article footer CTA */
.article-footer-cta {
  margin-top: 64px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.article-footer-inner {
  padding: 40px;
}

.footer-cta-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}

.footer-cta-headline {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 8px;
}

.footer-cta-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer-cta-form { margin-top: 20px; }

/* ===================================
   AI PULSE PAGE
   =================================== */
.aipulse-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 32px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 64px;
  align-items: start;
}

.aipulse-main { display: flex; flex-direction: column; gap: 48px; }

.aipulse-about {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.about-heading {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 16px;
}

.aipulse-about p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.aipulse-about p:last-child { margin-bottom: 0; }

.about-facts {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

.fact-item { display: flex; flex-direction: column; gap: 2px; }

.fact-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -0.02em;
}

.fact-label { font-size: 0.75rem; color: var(--text-muted); }

.fact-divider { width: 1px; height: 36px; background: var(--border); }

/* Signup */
.pulse-signup {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.signup-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 8px;
}

.signup-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.signup-success {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.success-icon { margin-bottom: 4px; }

.success-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
}

.success-body { font-size: 0.9rem; color: var(--text-muted); line-height: 1.65; }

/* Pro CTA */
.pro-cta {
  background: linear-gradient(135deg, rgba(245,166,35,0.08) 0%, rgba(45,212,191,0.06) 100%);
  border: 1px solid var(--amber-dim);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.pro-badge {
  background: var(--amber);
  color: #0e0e11;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 3px;
  flex-shrink: 0;
  margin-top: 2px;
}

.pro-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.pro-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.pro-pricing { display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px; }

.pro-price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -0.03em;
}

.pro-per { font-size: 1rem; color: var(--text-muted); }

.pro-intro { font-size: 0.8rem; color: var(--text-muted); }

.pro-note { font-size: 0.75rem; color: var(--text-faint); }

/* Past issues */
.past-issues { display: flex; flex-direction: column; gap: 0; }

.issues-heading {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

.issues-list { display: flex; flex-direction: column; gap: 0; }

.issue-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--border-subtle);
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.15s;
}

.issue-item:first-child { border-top: none; }

.issue-item:hover { background: var(--surface); padding-left: 8px; }

.issue-item .issue-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--amber);
  width: 28px;
  flex-shrink: 0;
}

.issue-info { flex: 1; }

.issue-item .issue-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 2px;
}

.issue-item:hover .issue-title { color: var(--amber); }

.issue-item .issue-date { font-size: 0.7rem; color: var(--text-faint); }

.issue-arrow { font-size: 0.875rem; color: var(--text-faint); flex-shrink: 0; }

.substack-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--amber);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.15s;
}

.substack-link:hover { opacity: 0.75; }

/* AI Pulse sidebar */
.aipulse-sidebar {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.sidebar-card--cta { background: var(--amber-glow); border-color: var(--amber-dim); }

.sidebar-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 10px;
}

.sidebar-author {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.sidebar-author-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.sidebar-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.sidebar-email {
  font-family: var(--font-display);
  font-size: 0.875rem;
  color: var(--amber);
  text-decoration: none;
  font-weight: 500;
}

.sidebar-email:hover { opacity: 0.75; }

.sidebar-cta-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}

.waitlist-link {
  display: inline-flex;
  align-items: center;
  background: var(--amber);
  color: #0e0e11;
  font-weight: 600;
  font-size: 0.8rem;
  padding: 10px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.15s;
}

.waitlist-link:hover { background: var(--amber-dim); }

/* ===================================
   ABOUT PAGE
   =================================== */
.about-page {
  min-height: 100vh;
  padding-bottom: 80px;
}

.about-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 32px 0;
}

.about-header {
  margin-bottom: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border-subtle);
}

.about-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--text);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 80px;
  align-items: start;
}

.about-content { display: flex; flex-direction: column; gap: 48px; }

.about-section { display: flex; flex-direction: column; gap: 12px; }

.about-section-heading {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}

.about-section p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.about-link {
  display: inline-block;
  font-size: 0.875rem;
  color: var(--amber);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.15s;
  margin-top: 4px;
}

.about-link:hover { opacity: 0.75; }

.about-sidebar {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-sidebar .sidebar-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; }

/* ===================================
   NEWSLETTER FORM COMPONENTS
   =================================== */
.newsletter-form { width: 100%; }

.form-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.form-row .form-input {
  flex: 1;
  min-width: 180px;
}

.form-input {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.875rem;
  color: var(--text);
  font-family: var(--font-body);
  transition: border-color 0.15s;
}

.form-input::placeholder { color: var(--text-faint); }
.form-input:focus { outline: none; border-color: var(--amber-dim); }

.btn-subscribe {
  background: var(--amber);
  color: #0e0e11;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  transition: background 0.15s, transform 0.15s;
  white-space: nowrap;
}

.btn-subscribe:hover:not(:disabled) { background: var(--amber-dim); transform: translateY(-1px); }
.btn-subscribe:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.form-msg {
  font-size: 0.8rem;
  margin-top: 8px;
}

.form-error { color: #f87171; }

.form-success {
  font-size: 0.9rem;
  color: var(--teal);
  font-weight: 500;
}

.cta-form-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cta-input {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.875rem;
  color: var(--text);
  font-family: var(--font-body);
  transition: border-color 0.15s;
  flex: 1;
  min-width: 160px;
}

.cta-input::placeholder { color: var(--text-faint); }
.cta-input:focus { outline: none; border-color: var(--amber-dim); }

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 900px) {
  .articles-layout { grid-template-columns: 1fr; gap: 40px; }
  .articles-sidebar { position: static; }
  .category-filters { flex-direction: row; flex-wrap: wrap; }
  .aipulse-layout { grid-template-columns: 1fr; gap: 40px; }
  .aipulse-sidebar { position: static; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-sidebar { position: static; }
}

@media (max-width: 640px) {
  .page-header { padding: 48px 0 40px; }
  .page-header-inner, .articles-layout, .aipulse-layout, .about-inner { padding: 0 20px; }
  .article-inner { padding: 32px 20px 0; }
  .form-row { flex-direction: column; }
  .form-row .form-input { min-width: unset; }
  .cta-form-row { flex-direction: column; }
  .cta-input { min-width: unset; }
  .about-facts { flex-wrap: wrap; gap: 20px; }
  .pro-cta { flex-direction: column; }
  .aipulse-about { padding: 24px; }
  .pulse-signup { padding: 24px; }
  .article-footer-inner { padding: 28px; }
  .about-section-heading { font-size: 1.1rem; }
}