/* ============================================================
   SPRINK SEO PAGE FACTORY — Main Stylesheet
   Brand palette: vibrant gradient, iOS-native feel
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=DM+Serif+Display:ital@0;1&display=swap');

/* ---- DESIGN TOKENS ---- */
:root {
  /* Sprink brand gradient */
  --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f64f59 100%);
  --gradient-subtle: linear-gradient(135deg, #667eea15 0%, #764ba215 50%, #f64f5915 100%);
  
  /* Colors */
  --color-bg: #0f0f13;
  --color-surface: #16161e;
  --color-surface-2: #1e1e28;
  --color-surface-3: #252530;
  --color-border: #2a2a38;
  --color-text: #e8e8f0;
  --color-text-muted: #9090a8;
  --color-text-faint: #5a5a6e;
  --color-primary: #7c6af8;
  --color-primary-hover: #6b57f0;
  --color-accent: #f64f59;
  --color-success: #30d158;
  --color-warning: #ffd60a;

  /* Type */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'DM Serif Display', Georgia, serif;

  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    4.5rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radii */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(124,106,248,0.2);

  /* Layout */
  --content-narrow: 680px;
  --content-default: 960px;
  --content-wide: 1280px;
}

/* ---- BASE RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
}
img, picture, video { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1,h2,h3,h4,h5,h6 { text-wrap: balance; line-height: 1.2; }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }
button { cursor: pointer; background: none; border: none; }

/* ---- HEADER / NAV ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,15,19,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}
.nav-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-4) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}
.nav-logo-mark {
  width: 36px;
  height: 36px;
  background: var(--gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nav-logo-text {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.nav-logo-text span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 180ms ease;
}
.nav-links a:hover { color: var(--color-text); }
.nav-cta {
  padding: var(--space-2) var(--space-5);
  background: var(--gradient);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  color: #fff !important;
  transition: opacity 180ms ease, transform 180ms ease;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }

/* ---- LAYOUT WRAPPERS ---- */
.container {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-8);
}
.container-narrow {
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding: 0 var(--space-8);
}
.container-default {
  max-width: var(--content-default);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

/* ---- HOME HERO ---- */
.hero {
  padding: var(--space-20) 0 var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(124,106,248,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(124,106,248,0.12);
  border: 1px solid rgba(124,106,248,0.25);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-6);
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.hero-title em {
  font-style: italic;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto var(--space-10);
  line-height: 1.6;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}
.hero-stat {
  text-align: center;
}
.hero-stat-number {
  font-size: var(--text-2xl);
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  line-height: 1;
  margin-bottom: var(--space-1);
}
.hero-stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---- CLUSTER GRID ---- */
.clusters-section {
  padding: var(--space-16) 0;
}
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}
.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
}
.cluster-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
}
.cluster-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-decoration: none;
  display: block;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
  position: relative;
  overflow: hidden;
}
.cluster-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--cluster-color, var(--gradient));
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.cluster-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(124,106,248,0.3);
}
.cluster-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--gradient-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  font-size: 22px;
}
.cluster-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.cluster-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}
.cluster-count {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(124,106,248,0.1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  display: inline-block;
}

/* ---- SEARCH BAR ---- */
.search-section {
  padding: var(--space-12) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.search-wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}
.search-title {
  text-align: center;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.search-box {
  position: relative;
}
.search-input {
  width: 100%;
  padding: var(--space-4) var(--space-12) var(--space-4) var(--space-5);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  color: var(--color-text);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}
.search-input::placeholder { color: var(--color-text-faint); }
.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(124,106,248,0.15);
}
.search-btn {
  position: absolute;
  right: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: var(--gradient);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  border: none;
  cursor: pointer;
}
#search-results {
  margin-top: var(--space-4);
  display: none;
}
#search-results.active { display: block; }
.search-result-item {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  transition: background 180ms ease;
}
.search-result-item:hover { background: var(--color-surface-3); }
.search-result-kw {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
}
.search-result-cluster {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---- CLUSTER LISTING PAGE ---- */
.cluster-hero {
  padding: var(--space-16) 0 var(--space-10);
  position: relative;
}
.cluster-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 20% 50%, var(--cluster-bg-color, rgba(124,106,248,0.08)) 0%, transparent 60%);
  pointer-events: none;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-text); }
.breadcrumb-sep { color: var(--color-text-faint); }
.cluster-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(124,106,248,0.12);
  border: 1px solid rgba(124,106,248,0.25);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.cluster-hero-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
.cluster-hero-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

/* ---- PAGES LIST GRID ---- */
.pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-4);
  padding: var(--space-8) 0 var(--space-16);
}
.page-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}
.page-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(124,106,248,0.3);
}
.page-card-keyword {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
}
.page-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.page-card-badge {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  background: rgba(124,106,248,0.1);
  padding: 2px 10px;
  border-radius: var(--radius-full);
}
.page-card-arrow {
  margin-left: auto;
  color: var(--color-text-faint);
  font-size: 14px;
}

/* ---- INDIVIDUAL SEO PAGE ---- */
.page-hero {
  padding: var(--space-16) 0 var(--space-8);
}
.page-hero-cluster {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
}
.page-hero-h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-5);
  max-width: 780px;
}
.page-hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}
.page-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* ---- CONTENT BODY ---- */
.content-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-12);
  padding-bottom: var(--space-20);
  align-items: start;
}
@media (max-width: 900px) {
  .content-layout { grid-template-columns: 1fr; }
}
.content-main {}
.article-body {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.8;
}
.article-body p {
  margin-bottom: var(--space-5);
  max-width: 68ch;
}
.article-body h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  margin: var(--space-10) 0 var(--space-4);
  letter-spacing: -0.01em;
}
.article-body h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin: var(--space-8) 0 var(--space-3);
}
.article-body strong {
  font-weight: 700;
  color: var(--color-text);
}
.article-body ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-5);
}
.article-body ul li {
  padding-left: var(--space-5);
  position: relative;
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
  max-width: 68ch;
}
.article-body ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 14px;
}
.article-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-10) 0;
}

/* ---- FAQ SECTION ---- */
.faq-section {
  margin-top: var(--space-10);
}
.faq-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
  overflow: hidden;
  background: var(--color-surface);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  background: none;
  transition: background 180ms ease;
}
.faq-question:hover { background: rgba(124,106,248,0.05); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: rgba(124,106,248,0.12);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
  transition: transform 200ms ease;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease;
}
.faq-answer-inner {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
}
.faq-item.open .faq-answer { max-height: 400px; }

/* ---- SIDEBAR ---- */
.content-sidebar {}
.sidebar-cta {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: sticky;
  top: var(--space-20);
}
.sidebar-cta-badge {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-success);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
  display: block;
}
.sidebar-cta-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}
.sidebar-cta-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}
.btn-primary {
  display: block;
  width: 100%;
  padding: var(--space-4) var(--space-6);
  background: var(--gradient);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  color: #fff;
  text-align: center;
  text-decoration: none;
  transition: opacity 180ms ease, transform 180ms ease;
  margin-bottom: var(--space-3);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); color: #fff; }
.btn-secondary {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: center;
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease;
}
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }
.sidebar-features {
  margin-top: var(--space-6);
  list-style: none;
  padding: 0;
}
.sidebar-features li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.sidebar-features li:last-child { border-bottom: none; }
.sidebar-features li::before {
  content: '✓';
  color: var(--color-success);
  font-size: 12px;
  font-weight: 700;
}

/* ---- RELATED PAGES ---- */
.related-section {
  padding: var(--space-12) 0 var(--space-20);
  border-top: 1px solid var(--color-border);
}
.related-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}
.related-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  text-decoration: none;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  transition: transform 180ms ease, border-color 180ms ease;
}
.related-card:hover { transform: translateY(-2px); border-color: rgba(124,106,248,0.3); }
.related-card-icon {
  width: 32px;
  height: 32px;
  background: rgba(124,106,248,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}
.related-card-text {}
.related-card-kw {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 2px;
}
.related-card-cluster {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ---- FOOTER ---- */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-8);
}
.footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-8);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-12);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}
.footer-brand {}
.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  text-decoration: none;
}
.footer-brand-name {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text);
}
.footer-brand-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 280px;
  line-height: 1.6;
}
.footer-links-col h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}
.footer-links-col ul {
  list-style: none;
  padding: 0;
}
.footer-links-col ul li {
  margin-bottom: var(--space-2);
}
.footer-links-col ul li a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color 180ms ease;
}
.footer-links-col ul li a:hover { color: var(--color-text); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ---- AEO ANSWER BOX ---- */
.aeo-answer-box {
  background: linear-gradient(135deg, rgba(124,106,248,0.08), rgba(246,79,89,0.05));
  border: 1px solid rgba(124,106,248,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-7);
  margin-bottom: var(--space-8);
  position: relative;
  overflow: hidden;
}
.aeo-answer-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient);
}
.aeo-answer-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.aeo-answer-label svg {
  width: 14px;
  height: 14px;
}
.aeo-answer-text {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
  font-weight: 500;
  max-width: 65ch;
}

/* ---- MOBILE RESPONSIVE ---- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero-stats { gap: var(--space-6); }
  .cluster-grid { grid-template-columns: 1fr 1fr; }
  .pages-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; gap: var(--space-8); }
  .container, .container-narrow, .container-default { padding: 0 var(--space-4); }
  .nav-inner { padding: var(--space-4); }
}
@media (max-width: 480px) {
  .cluster-grid { grid-template-columns: 1fr; }
}

/* ---- UTILITY CLASSES ---- */
.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pill {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
}
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }