/* ==========================================================================
   ChatGPT Images 2.5 Prompt Guide & Library
   Design System: Creative Editorial Studio + Modern Design Handbook
   ========================================================================== */

:root {
  /* Editorial Color Palette */
  --bg-canvas: #FBF9F5;
  --bg-surface: #FFFFFF;
  --bg-subtle: #F4F1EA;
  --bg-contrast: #121316;
  --border-hairline: #E6E3DC;
  --border-focus: #121316;
  
  /* Text Colors */
  --text-primary: #121316;
  --text-secondary: #575A65;
  --text-muted: #848794;
  --text-inverse: #FBF9F5;

  /* Modern Editorial Accent (International Vermilion / Terracotta) */
  --accent-primary: #E34826;
  --accent-hover: #C93B1B;
  --accent-subtle: #FDF0EC;
  --accent-border: #F7C4B8;

  /* Badges & Functional Accents */
  --badge-ref-bg: #FEF3C7;
  --badge-ref-text: #92400E;
  --badge-ref-border: #FDE68A;
  --badge-txt-bg: #E0E7FF;
  --badge-txt-text: #3730A3;
  --badge-txt-border: #C7D2FE;
  --success: #15803D;

  /* Typography */
  --font-serif: "Newsreader", "Playfair Display", "Georgia", "Times New Roman", serif;
  --font-sans: "Plus Jakarta Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;

  /* Spacing & Layout */
  --site-max-width: 1280px;
  --reading-max-width: 820px;
  --nav-height: 72px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(18, 19, 22, 0.04);
  --shadow-md: 0 4px 16px rgba(18, 19, 22, 0.06);
  --shadow-lg: 0 12px 32px rgba(18, 19, 22, 0.08);

  /* Transitions */
  --trans-fast: 0.15s ease;
  --trans-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base & Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
}

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Container */
.container {
  width: 100%;
  max-width: var(--site-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.reading-container {
  width: 100%;
  max-width: var(--reading-max-width);
  margin-left: auto;
  margin-right: auto;
}

/* Typography Hierarchy */
h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: -0.015em;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.85rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.35rem, 2.5vw, 1.85rem); }
h4 { font-size: 1.2rem; font-family: var(--font-sans); font-weight: 600; }

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

p.lead {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-primary);
}

a {
  color: var(--text-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--trans-fast);
}

a:hover {
  color: var(--accent-primary);
}

code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* ==========================================================================
   Header & Sticky Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(251, 249, 245, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-hairline);
  height: var(--nav-height);
  display: flex;
  align-items: center;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo {
  height: 30px;
  width: auto;
  object-fit: contain;
}

.brand-meta {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-subtitle {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  font-weight: 700;
}

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

.nav-links a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--trans-fast);
}

.nav-links a:hover {
  color: var(--accent-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-btn-library {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-contrast);
  color: var(--text-inverse);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color var(--trans-fast), transform var(--trans-fast);
}

.nav-btn-library:hover {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-hairline);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-primary);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--border-hairline);
  position: relative;
}

.hero-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  background-color: var(--accent-subtle);
  border: 1px solid var(--accent-border);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

.hero-meta-badge::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--accent-primary);
  border-radius: 50%;
}

.hero-title {
  margin-bottom: 20px;
  max-width: 900px;
}

.hero-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--accent-primary);
}

.hero-desc {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 740px;
  margin-bottom: 40px;
}

.hero-search-wrapper {
  max-width: 740px;
  margin-bottom: 32px;
}

.search-box {
  display: flex;
  align-items: center;
  background-color: var(--bg-surface);
  border: 2px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 6px 8px 6px 18px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
}

.search-box:focus-within {
  border-color: var(--border-focus);
  box-shadow: var(--shadow-md);
}

.search-icon {
  color: var(--text-muted);
  margin-right: 12px;
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--text-primary);
  background: transparent;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-clear-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: none;
  align-items: center;
  justify-content: center;
}

.search-clear-btn.visible {
  display: flex;
}

.search-clear-btn:hover {
  color: var(--text-primary);
}

.search-submit-btn {
  background-color: var(--bg-contrast);
  color: var(--text-inverse);
  border: none;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--trans-fast);
  margin-left: 8px;
}

.search-submit-btn:hover {
  background-color: var(--accent-primary);
}

.hero-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-hairline);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
}

/* ==========================================================================
   Editorial Guide Sections
   ========================================================================== */
.guide-section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border-hairline);
}

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

.section-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 16px;
}

.section-intro {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 780px;
}

/* Editorial Callouts & Notes */
.callout {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 32px 0;
}

.callout.platform-note {
  border-left-color: #2563EB;
  background-color: #F8FAFC;
}

.callout-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

/* Tables & Technical Grids */
.editorial-table-wrapper {
  overflow-x: auto;
  margin: 32px 0;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
}

.editorial-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.editorial-table th {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
  font-weight: 600;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-hairline);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.editorial-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  vertical-align: top;
}

.editorial-table tr:last-child td {
  border-bottom: none;
}

.editorial-table td strong {
  color: var(--text-primary);
}

/* Card Grids for Techniques & Optics */
.editorial-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin: 36px 0;
}

.editorial-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 36px 0;
}

.editorial-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform var(--trans-fast), box-shadow var(--trans-fast);
}

.editorial-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.card-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  display: block;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.card-body {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Code & Prompt Quote Examples */
.prompt-quote-box {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 24px 0;
  position: relative;
}

.prompt-quote-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
  display: block;
}

.prompt-quote-text {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
}

/* Common Mistakes Case Study */
.case-study-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 24px;
}

.case-study-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 8px;
}

.case-study-title {
  font-size: 1.25rem;
  font-family: var(--font-serif);
  margin-bottom: 16px;
}

.case-study-block {
  margin-bottom: 12px;
}

.case-study-block strong {
  display: inline-block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  width: 140px;
  color: var(--text-primary);
}

.case-study-bad {
  color: #B91C1C;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.case-study-good {
  color: #15803D;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

/* ==========================================================================
   Prompt Library Section
   ========================================================================== */
.library-section {
  padding: 96px 0 120px;
  background-color: var(--bg-canvas);
}

.library-controls {
  margin-bottom: 36px;
}

/* Category Filter Chips */
.category-chips-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.category-chip {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--trans-fast);
  user-select: none;
}

.category-chip:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.category-chip.active {
  background-color: var(--bg-contrast);
  border-color: var(--bg-contrast);
  color: var(--text-inverse);
  font-weight: 600;
}

.chip-count {
  font-size: 0.75rem;
  opacity: 0.7;
  font-family: var(--font-mono);
}

/* Filter Sub-bar */
.filter-subbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 16px 20px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.filter-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.filter-select {
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
}

.filter-select:focus {
  border-color: var(--border-focus);
}

.results-status {
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Prompt Grid */
.prompts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

/* Prompt Card */
.prompt-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--trans-fast), box-shadow var(--trans-fast), border-color var(--trans-fast);
  position: relative;
}

.prompt-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #D3CEBE;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.card-cat-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-primary);
}

.card-ref-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--badge-ref-bg);
  color: var(--badge-ref-text);
  border: 1px solid var(--badge-ref-border);
  white-space: nowrap;
}

.prompt-card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.card-summary {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
  flex: 0 0 auto;
}

.card-prompt-container {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 16px;
  flex: 1 1 auto;
  position: relative;
  overflow: hidden;
  max-height: 140px;
  transition: max-height 0.3s ease;
}

.card-prompt-container.expanded {
  max-height: none;
}

.card-prompt-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
}

.card-expand-toggle {
  display: block;
  width: 100%;
  text-align: center;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--trans-fast);
}

.card-expand-toggle:hover {
  color: var(--accent-primary);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.tag-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  background-color: var(--bg-subtle);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-hairline);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-hairline);
  margin-top: auto;
}

.card-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-contrast);
  color: var(--text-inverse);
  border: none;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--trans-fast), transform var(--trans-fast);
}

.btn-copy:hover {
  background-color: var(--accent-primary);
  transform: translateY(-1px);
}

.btn-copy.copied {
  background-color: var(--success);
  color: #FFFFFF;
}

/* Load More Button */
.load-more-wrapper {
  text-align: center;
  margin-top: 40px;
}

.btn-load-more {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  color: var(--text-primary);
  padding: 12px 32px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--trans-fast);
}

.btn-load-more:hover {
  border-color: var(--text-primary);
  background-color: var(--bg-contrast);
  color: var(--text-inverse);
  transform: translateY(-1px);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  padding: 96px 0;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
}

.faq-list {
  max-width: var(--reading-max-width);
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-hairline);
}

.faq-item:first-child {
  border-top: 1px solid var(--border-hairline);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 24px 0;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color var(--trans-fast);
}

.faq-question:hover {
  color: var(--accent-primary);
}

.faq-icon {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--accent-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding-bottom: 24px;
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   Impactful Visuals Studio & Footer
   ========================================================================== */
.site-footer {
  background-color: var(--bg-contrast);
  color: var(--text-inverse);
  padding: 96px 0 48px;
  position: relative;
}

.footer-agency-card {
  background-color: #1A1C22;
  border: 1px solid #2B2E38;
  border-radius: var(--radius-lg);
  padding: 48px;
  margin-bottom: 64px;
}

.agency-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.agency-logo-img {
  height: 38px;
  width: auto;
  filter: brightness(0) invert(1);
}

.agency-eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  font-weight: 700;
}

.agency-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.agency-desc {
  font-size: 1.15rem;
  color: #A3A8B8;
  max-width: 820px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.agency-desc strong {
  color: #FFFFFF;
}

.agency-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}

.btn-agency-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--accent-primary);
  color: #FFFFFF;
  text-decoration: none;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  transition: background-color var(--trans-fast), transform var(--trans-fast);
}

.btn-agency-primary:hover {
  background-color: var(--accent-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-agency-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: transparent;
  color: #FFFFFF;
  border: 1px solid #3E4250;
  text-decoration: none;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  transition: border-color var(--trans-fast), color var(--trans-fast);
}

.btn-agency-secondary:hover {
  border-color: #FFFFFF;
  color: #FFFFFF;
}

.footer-nav-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid #262932;
  margin-bottom: 36px;
}

.footer-col-title {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col-desc {
  font-size: 0.95rem;
  color: #7B8194;
  line-height: 1.6;
  max-width: 340px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-list a {
  color: #A3A8B8;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--trans-fast);
}

.footer-links-list a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: #616677;
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */
@media (max-width: 992px) {
  .editorial-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-nav-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: var(--bg-canvas);
    border-bottom: 1px solid var(--border-hairline);
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-md);
  }
  .mobile-toggle {
    display: flex;
  }
  .editorial-grid-2, .editorial-grid-3 {
    grid-template-columns: 1fr;
  }
  .prompts-grid {
    grid-template-columns: 1fr;
  }
  .footer-agency-card {
    padding: 28px;
  }
  .footer-nav-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats-row {
    gap: 20px;
  }
}