/* Shared CSS for Standalone Guides Listing & Subpages */

/* ── DESIGN SYSTEM & RESET ── */
*, *::before, *::after { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
}

:root {
  --bg: #09090b;
  --surface: #18181b;
  --surface-card: rgba(24, 24, 27, 0.7);
  --surface-hover: #27272a;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.16);
  
  --accent: #c8f135;
  --accent-rgb: 200, 241, 53;
  --accent-hover: #b4da2a;
  --accent-glow: rgba(200, 241, 53, 0.12);
  --accent-glow-subtle: rgba(200, 241, 53, 0.04);
  
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  --font-display: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-quick: all 0.15s ease;
  --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
}

html { 
  scroll-behavior: smooth; 
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 800px;
  background: radial-gradient(circle at top, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: -2;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.2;
  pointer-events: none;
  z-index: -3;
}

.noise-overlay {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.5;
}

.wrap { 
  max-width: 840px; 
  margin: 0 auto; 
  padding: 0 24px; 
  position: relative; 
}

/* ── HEADER / NAVIGATION ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(9, 9, 11, 0.75);
  border-bottom: 1px solid var(--border);
  transition: var(--transition-smooth);
}

nav.scrolled {
  background: rgba(9, 9, 11, 0.9);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: 1040px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-img {
  height: 32px;
  width: auto;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  white-space: nowrap;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.nav-link {
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-quick);
  font-weight: 500;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--accent);
}

.nav-cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  border: none;
  padding: 8px 18px;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-cta:hover { 
  background: var(--accent-hover); 
  transform: translateY(-1px); 
  box-shadow: 0 4px 15px rgba(200, 241, 53, 0.3);
}

/* ── MOBILE NAV TOGGLE ── */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 110;
}

.hamburger-bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-smooth);
  transform-origin: left center;
}

.mobile-nav-toggle.active .hamburger-bar:nth-child(1) {
  transform: rotate(45deg) translateY(-2px) translateX(2px);
}

.mobile-nav-toggle.active .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.mobile-nav-toggle.active .hamburger-bar:nth-child(3) {
  transform: rotate(-45deg) translateY(2px) translateX(2px);
}

/* ── MOBILE MENU OVERLAY ── */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(9, 9, 11, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  border-bottom: 1px solid var(--border);
}

.mobile-menu.open {
  transform: translateY(0);
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  width: 100%;
  padding: 0 40px;
}

.mobile-menu-link {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-quick);
  opacity: 0;
  transform: translateY(20px);
}

.mobile-menu.open .mobile-menu-link {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-menu.open .mobile-menu-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.open .mobile-menu-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.open .mobile-menu-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.open .mobile-menu-link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.open .mobile-menu-link:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.open .mobile-menu-link:nth-child(6) { transition-delay: 0.35s; }
.mobile-menu.open .mobile-menu-cta { transition-delay: 0.4s; }

.mobile-menu-link:hover {
  color: var(--accent);
}

.mobile-menu-cta {
  width: 100%;
  max-width: 280px;
  text-align: center;
  justify-content: center;
  font-size: 16px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-menu.open .mobile-menu-cta {
  opacity: 1;
  transform: translateY(0);
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-primary);
}

.section-eyebrow {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-block;
}

.section-title {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 40px;
}

/* ── BUTTONS ── */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  padding: 16px 32px;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-smooth);
  font-family: var(--font-body);
}

.btn-ghost:hover { 
  border-color: var(--border-hover); 
  color: var(--text-primary); 
  background: rgba(255, 255, 255, 0.05);
}

/* ── BLOG SECTION ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.blog-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
  position: relative;
  cursor: pointer;
  text-decoration: none;
}

.blog-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  background: var(--surface);
}

.blog-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.blog-card-tag {
  color: var(--accent);
  background: var(--accent-glow);
  padding: 2px 8px;
  border-radius: 4px;
}

.blog-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.blog-card-excerpt {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
}

.blog-card-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ── BLOG ARTICLE DETAIL VIEW ── */
.blog-article-header {
  margin-bottom: 30px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
}

.blog-article-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.blog-article-tag {
  color: var(--accent);
  background: var(--accent-glow);
  padding: 2px 8px;
  border-radius: 4px;
}

.blog-article-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-top: 10px;
}

.blog-article-body {
  font-size: 15.5px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.blog-article-body h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 35px 0 15px;
}

.blog-article-body h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 25px 0 12px;
}

.blog-article-body p {
  margin-bottom: 20px;
}

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

.blog-article-body li {
  margin-bottom: 8px;
}

.blog-article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
  text-align: left;
}

.blog-article-body th {
  padding: 12px 8px;
  border-bottom: 2px solid var(--border);
  color: var(--text-primary);
  font-weight: bold;
}

.blog-article-body td {
  padding: 12px 8px;
  border-bottom: 1px solid var(--border);
}

.article-cta-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px;
  margin: 40px 0;
  position: relative;
  overflow: hidden;
}

.article-cta-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--accent);
}

.article-cta-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.article-cta-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
}

.article-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  border: none;
  padding: 10px 24px;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.article-cta-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(200, 241, 53, 0.2);
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 80px;
  background: rgba(9, 9, 11, 0.5);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13.5px;
  color: var(--text-muted);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.footer-logo span { 
  color: var(--accent); 
}

footer p {
  margin: 0;
}

/* ── MEDIA QUERIES ── */
@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  nav .wrap {
    height: 60px;
  }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
  .mobile-nav-toggle {
    display: flex;
  }
}

@media (max-width: 600px) {
  .nav-cta {
    display: none;
  }
}

/* ── RELATED GUIDES (end of article) ── */
.related-guides {
  margin: 40px 0 0;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}

.related-guides-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

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

.related-guide-link {
  display: block;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.related-guide-link:hover {
  border-color: var(--border-hover);
  background: var(--surface);
  transform: translateY(-2px);
}

.related-guide-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 6px;
}

.related-guide-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

@media (max-width: 600px) {
  .related-guides-list {
    grid-template-columns: 1fr;
  }
}