/* ==========================================================================
   AI Mind Map Generator - Core Design System & Global Styles
   Modern, High-Contrast, Accessible, Cloudflare Pages Ready
   ========================================================================== */

:root {
  /* Color Palette - Light Mode */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-elevated: #ffffff;
  --bg-overlay: rgba(15, 23, 42, 0.6);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  --border-focus: #6366f1;
  
  /* Brand Accents */
  --brand-primary: #4f46e5;
  --brand-primary-hover: #4338ca;
  --brand-primary-light: #eef2ff;
  --brand-primary-border: #c7d2fe;
  
  --brand-accent: #0ea5e9;
  --brand-accent-light: #e0f2fe;
  
  --accent-emerald: #10b981;
  --accent-emerald-light: #ecfdf5;
  --accent-amber: #f59e0b;
  --accent-amber-light: #fffbeb;
  --accent-rose: #f43f5e;
  --accent-rose-light: #fff1f2;
  --accent-purple: #8b5cf6;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.09), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  
  /* Layout & Sizing */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --container-max: 1240px;
  --container-prose: 780px;
  --header-height: 72px;
  
  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-heading: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-primary: #090d16;
  --bg-secondary: #111827;
  --bg-tertiary: #1f293d;
  --bg-elevated: #1a2234;
  --bg-overlay: rgba(0, 0, 0, 0.8);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;
  
  --border-subtle: #243048;
  --border-strong: #334155;
  --border-focus: #818cf8;
  
  --brand-primary: #6366f1;
  --brand-primary-hover: #818cf8;
  --brand-primary-light: rgba(99, 102, 241, 0.15);
  --brand-primary-border: rgba(99, 102, 241, 0.35);
  
  --brand-accent: #38bdf8;
  --brand-accent-light: rgba(56, 189, 248, 0.15);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.7);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.8);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); margin-top: 2rem; margin-bottom: 0.85rem; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); margin-top: 1.5rem; margin-bottom: 0.5rem; }
h4 { font-size: 1.15rem; margin-top: 1rem; margin-bottom: 0.4rem; }

p {
  margin-bottom: 1.15rem;
  color: var(--text-secondary);
}

a {
  color: var(--brand-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--brand-primary-hover);
  text-decoration: underline;
}

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

li {
  margin-bottom: 0.35rem;
}

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

code {
  background: var(--bg-tertiary);
  padding: 0.15rem 0.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  color: var(--brand-primary);
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (max-width: 768px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

@media (max-width: 400px) {
  .container {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
}

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

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
  width: 100%;
}

[data-theme="dark"] .site-header {
  background: rgba(15, 23, 42, 0.95);
  border-bottom-color: var(--border-subtle);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1.5rem;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}

.brand-logo svg {
  width: 32px;
  height: 32px;
  color: var(--brand-primary);
  filter: drop-shadow(0 2px 4px rgba(79, 70, 229, 0.25));
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  background: var(--brand-primary-light);
  color: var(--brand-primary);
  border: 1px solid var(--brand-primary-border);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* Top Right Menu Group */
.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-left: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.925rem;
  text-decoration: none;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}

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

.nav-links a.active {
  color: var(--brand-primary);
  background: var(--brand-primary-light);
  font-weight: 700;
}

.nav-links a .nav-pill-badge {
  font-size: 0.65rem;
  font-weight: 800;
  background: var(--brand-primary);
  color: #fff;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .site-header {
    --header-height: 64px;
  }

  .nav-container {
    height: 64px;
    gap: 0.75rem;
  }

  .brand-logo {
    font-size: 1.15rem;
    gap: 0.45rem;
  }

  .brand-logo svg {
    width: 28px;
    height: 28px;
  }

  .header-right {
    gap: 0.5rem;
  }

  .nav-actions {
    gap: 0.4rem;
  }

  .nav-actions .btn-sm {
    padding: 0.4rem 0.65rem;
    font-size: 0.8rem;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    width: 100%;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-subtle);
    padding: 1rem 1rem 2rem 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
    box-shadow: var(--shadow-xl);
    z-index: 99;
  }

  .nav-links.is-open {
    display: flex;
    animation: navSlideDown 0.2s ease-out;
  }

  .nav-links a {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border-radius: var(--radius-md);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
    color: var(--text-primary);
  }
}

@keyframes navSlideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
  .brand-badge {
    display: none;
  }
  
  .nav-actions .btn-sm span.btn-text {
    display: none;
  }
}

/* Interactive Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.35rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}

.btn-primary {
  background: var(--brand-primary);
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(79, 70, 229, 0.2);
}

.btn-primary:hover {
  background: var(--brand-primary-hover);
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.35);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  text-decoration: none;
  border-color: var(--brand-primary);
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.85rem 1.85rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Hero Prompt Form & Mobile Responsive Layouts */
.hero-prompt-form {
  max-width: 780px;
  margin: 0 auto 1.5rem auto;
  display: flex;
  gap: 0.75rem;
  background: var(--bg-secondary);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 0.5rem;
  box-shadow: var(--shadow-xl);
  width: 100%;
}

.hero-prompt-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  padding-left: 0.75rem;
}

.hero-prompt-input {
  width: 100%;
  border: none;
  background: transparent;
  font-size: 1.05rem;
  color: var(--text-primary);
  outline: none;
  font-family: inherit;
}

@media (max-width: 640px) {
  .hero-prompt-form {
    flex-direction: column;
    padding: 0.75rem;
    border-radius: var(--radius-lg);
    gap: 0.75rem;
  }
  .hero-prompt-wrap {
    padding-left: 0.25rem;
  }
  .hero-prompt-form button {
    width: 100%;
    justify-content: center;
  }
}

.value-badges-bar {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 4rem;
}

@media (max-width: 768px) {
  .value-badges-bar {
    gap: 1rem;
    padding: 1rem 0;
    font-size: 0.85rem;
    margin-bottom: 2.5rem;
    flex-direction: column;
    align-items: flex-start;
    padding-left: 0.5rem;
  }
}

.md-editor-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 900px) {
  .md-editor-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.table-container {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.5rem 0;
}

.table-container table {
  min-width: 580px;
}

@media (max-width: 640px) {
  .table-container table {
    min-width: 520px;
  }
}

/* Hero Section */
.hero-section {
  padding: 3.5rem 0 2rem 0;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--brand-primary-light);
  border: 1px solid var(--brand-primary-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--brand-primary);
  margin-bottom: 1.5rem;
}

.hero-title {
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 800;
}

.hero-subtitle {
  max-width: 740px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Section Headings */
.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3rem auto;
}

.section-tag {
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand-primary);
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Features & Tool Cards Grid */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--brand-primary-light);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

/* Rich Editorial / Prose Content */
.prose-article {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  margin: 3.5rem 0;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  .prose-article {
    padding: 2rem 1.25rem;
  }
}

.prose-article h2 {
  font-size: 1.75rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
  margin-top: 2.5rem;
}

.prose-article h3 {
  font-size: 1.35rem;
  margin-top: 1.75rem;
}

.prose-article p, .prose-article li {
  font-size: 1.05rem;
  line-height: 1.75;
}

.prose-article blockquote {
  border-left: 4px solid var(--brand-primary);
  padding: 1rem 1.5rem;
  background: var(--bg-tertiary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.75rem 0;
  font-style: italic;
  color: var(--text-primary);
}

/* Informational Callout Box */
.callout {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  margin: 1.75rem 0;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.callout-info {
  background: var(--brand-accent-light);
  border: 1px solid rgba(14, 165, 233, 0.3);
  color: var(--text-primary);
}

.callout-tip {
  background: var(--accent-emerald-light);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--text-primary);
}

.callout-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

/* Comparison Table */
.table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

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

.comparison-table th {
  background: var(--bg-tertiary);
  padding: 0.9rem 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-strong);
}

.comparison-table td {
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.comparison-table tr:hover td {
  background: var(--bg-tertiary);
}

/* FAQ Accordion */
.faq-section {
  margin: 4rem 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.is-open {
  border-color: var(--brand-primary);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  text-align: left;
  background: none;
  border: none;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-chevron {
  transition: transform var(--transition-fast);
  color: var(--text-muted);
}

.faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
  color: var(--brand-primary);
}

.faq-answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  display: none;
}

.faq-item.is-open .faq-answer {
  display: block;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.45rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-strong);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px var(--brand-primary-light);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumbs a {
  color: var(--text-muted);
}

.breadcrumbs a:hover {
  color: var(--brand-primary);
}

.breadcrumbs span.separator {
  color: var(--border-strong);
}

/* Site Footer */
.site-footer {
  margin-top: auto;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

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

@media (max-width: 540px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 320px;
  margin-top: 0.75rem;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 0.65rem;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--brand-primary);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-xl);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: toastIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  pointer-events: auto;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.toast.toast-fadeout {
  animation: toastOut 0.25s forwards;
}

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(12px); }
}

/* Responsive Visibility Helpers */
.desktop-only {
  display: flex;
}

@media (max-width: 768px) {
  .desktop-only {
    display: none !important;
  }
}

.mobile-only {
  display: none;
}

@media (max-width: 768px) {
  .mobile-only {
    display: block;
  }
}