/**
 * FOOTER - PREMIUM EDITION
 * Better than Apple. Human-first. On-brand.
 * 
 * Variants:
 * - .footer (default): Light background for inner pages
 * - .footer--bold: Dark background for landing page
 */

/* ============================================================================
   BASE FOOTER STRUCTURE
   ============================================================================ */

.footer {
  background: var(--color-bg-primary, var(--color-bg-elevated));
  border-top: 1px solid var(--color-border-subtle, rgba(44, 37, 32, 0.08));
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
}

/* ============================================================================
   FOOTER HERO SECTION (CTA)
   ============================================================================ */

.footer__hero {
  text-align: center;
  padding: clamp(48px, 8vw, 80px) 0;
  border-bottom: 1px solid var(--color-border-subtle, rgba(44, 37, 32, 0.08));
}

.footer__headline {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-text-primary, var(--color-text-primary));
  margin: 0 0 clamp(8px, 1.5vw, 12px);
  letter-spacing: -0.02em;
}

.footer__subline {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: clamp(0.9375rem, 1.3vw, 1.0625rem);
  color: var(--color-text-secondary, #5c524a);
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.footer__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--color-ferni, var(--color-ferni));
  color: var(--color-text-inverse);
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--duration-fast, 150ms) var(--ease-out, cubic-bezier(0.25, 0.46, 0.45, 0.94));
  box-shadow: 0 4px 16px rgba(74, 103, 65, 0.25);
}

.footer__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(74, 103, 65, 0.35);
}

.footer__cta:active {
  transform: translateY(0);
}

.footer__cta svg {
  transition: transform var(--duration-fast, 150ms);
}

.footer__cta:hover svg {
  transform: translateX(4px);
}

/* ============================================================================
   FOOTER NAVIGATION
   ============================================================================ */

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(40px, 6vw, 64px) 0;
}

.footer__nav-group {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1.5vw, 14px);
}

.footer__nav-title {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: clamp(0.6875rem, 0.9vw, 0.75rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  /* WCAG AA: var(--color-text-muted) on var(--color-bg-elevated) = 4.7:1 contrast ratio */
  color: var(--color-text-muted, var(--color-text-muted));
  margin: 0 0 clamp(4px, 0.8vw, 8px);
}

.footer__nav-group a {
  display: block;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: clamp(0.875rem, 1.2vw, 0.9375rem);
  /* WCAG AA: var(--color-text-secondary) on var(--color-bg-elevated) = 5.6:1 contrast ratio */
  color: var(--color-text-secondary, var(--color-text-secondary));
  text-decoration: none;
  padding: 4px 0;
  transition: color var(--duration-fast, 150ms);
}

.footer__nav-group a:hover {
  color: var(--color-text-primary, var(--color-text-primary));
}

/* ============================================================================
   FOOTER BOTTOM BAR
   ============================================================================ */

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: clamp(24px, 3vw, 32px) 0;
  border-top: 1px solid var(--color-border-subtle, rgba(44, 37, 32, 0.08));
}

.footer__brand-mark {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.5vw, 14px);
}

.footer__logo-text {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: clamp(1.125rem, 1.8vw, 1.375rem);
  font-weight: 800;
  color: var(--color-text-primary, var(--color-text-primary));
  letter-spacing: -0.02em;
}

.footer__motto {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: clamp(0.8125rem, 1.1vw, 0.875rem);
  /* WCAG AA: var(--color-text-muted) on var(--color-bg-elevated) = 4.7:1 contrast ratio */
  color: var(--color-text-muted, var(--color-text-muted));
  font-style: italic;
  padding-left: clamp(8px, 1.2vw, 12px);
  border-left: 1px solid var(--color-border-subtle, rgba(44, 37, 32, 0.12));
}

.footer__legal {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 20px);
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: clamp(0.75rem, 1vw, 0.8125rem);
}

.footer__legal span,
.footer__legal a {
  /* WCAG AA: var(--color-text-muted) on var(--color-bg-elevated) = 4.7:1 contrast ratio */
  color: var(--color-text-muted, var(--color-text-muted));
  text-decoration: none;
  transition: color var(--duration-fast, 150ms);
}

.footer__legal a:hover {
  color: var(--color-text-primary, var(--color-text-primary));
}

/* ============================================================================
   DARK VARIANT (.footer--bold)
   Used on landing page - dark sophisticated background
   ============================================================================ */

.footer--bold {
  background: var(--color-dark-bg, var(--color-text-primary));
  border-top-color: rgba(255, 255, 255, 0.08);
}

.footer--bold .footer__hero {
  border-bottom-color: rgba(255, 255, 255, 0.08);
  padding: clamp(64px, 10vw, 100px) 0;
}

.footer--bold .footer__headline {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--color-bg-primary, var(--color-bg-elevated));
}

.footer--bold .footer__subline {
  color: var(--color-dark-text-secondary, var(--color-bg-secondary));
}

.footer--bold .footer__nav-title {
  color: var(--color-highlight, var(--color-nayan));
}

.footer--bold .footer__nav-group a {
  color: var(--color-dark-text-secondary, var(--color-bg-secondary));
}

.footer--bold .footer__nav-group a:hover {
  color: var(--color-bg-primary, var(--color-bg-elevated));
}

.footer--bold .footer__bottom {
  border-top-color: rgba(255, 255, 255, 0.08);
}

.footer--bold .footer__logo-text {
  color: var(--color-bg-primary, var(--color-bg-elevated));
}

.footer--bold .footer__motto {
  color: var(--color-dark-text-muted, var(--color-text-muted));
  border-left-color: rgba(255, 255, 255, 0.15);
}

.footer--bold .footer__legal span,
.footer--bold .footer__legal a {
  color: var(--color-dark-text-muted, var(--color-text-muted));
}

.footer--bold .footer__legal a:hover {
  color: var(--color-bg-primary, var(--color-bg-elevated));
}

/* ============================================================================
   MOBILE RESPONSIVE
   ============================================================================ */

@media (max-width: 768px) {
  .footer__nav {
    grid-template-columns: 1fr;
    gap: clamp(28px, 5vw, 36px);
    text-align: center;
    padding: clamp(36px, 5vw, 48px) 0;
  }
  
  .footer__nav-group {
    gap: clamp(10px, 2vw, 14px);
  }
  
  .footer__nav-title {
    margin-bottom: clamp(6px, 1.2vw, 10px);
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: clamp(16px, 3vw, 24px);
    text-align: center;
    padding: clamp(28px, 4vw, 40px) 0;
  }
  
  .footer__brand-mark {
    flex-direction: column;
    gap: 6px;
  }
  
  .footer__motto {
    padding-left: 0;
    border-left: none;
  }
  
  .footer__legal {
    flex-wrap: wrap;
    justify-content: center;
    gap: clamp(8px, 2vw, 16px);
  }
}

/* Small mobile */
@media (max-width: 640px) {
  .footer__hero {
    padding: clamp(36px, 6vw, 48px) 0;
  }

  .footer__headline {
    font-size: clamp(1.5rem, 6vw, 1.875rem);
  }

  .footer__cta {
    padding: 12px 24px;
    font-size: var(--text-base);
  }
}

/* ============================================================================
   ACCESSIBILITY - Focus States
   ============================================================================ */

.footer__cta:focus-visible,
.footer__nav-group a:focus-visible,
.footer__legal a:focus-visible {
  outline: 2px solid var(--color-ferni, var(--color-ferni));
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

.footer--bold .footer__cta:focus-visible,
.footer--bold .footer__nav-group a:focus-visible,
.footer--bold .footer__legal a:focus-visible {
  outline-color: var(--color-highlight, var(--color-nayan));
}

/* ============================================================================
   REDUCED MOTION
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
  .footer__cta,
  .footer__cta svg,
  .footer__nav-group a,
  .footer__legal a {
    transition: none;
  }
  
  .footer__cta:hover {
    transform: none;
  }
}

/* ============================================================================
   LEGACY SUPPORT - Old class names (for backwards compatibility)
   These map to the new structure but support old templates
   ============================================================================ */

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16, 64px);
  margin-bottom: var(--space-16, 64px);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10, 40px);
  }
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3, 12px);
  font-family: var(--font-display);
  font-size: var(--text-lg, 1.125rem);
  font-weight: var(--font-weight-bold, 700);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3, 12px);
  text-decoration: none;
}

/* Footer avatar with Ferni eyes - MUST have fixed size to constrain SVG */
.footer-avatar {
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  background: linear-gradient(135deg, var(--color-accent, var(--color-ferni)) 0%, var(--color-accent-dark, var(--color-ferni-secondary)) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(74, 103, 65, 0.3);
}

.footer-avatar .ferni-eyes-svg {
  width: 28px;
  height: 28px;
}

.footer-tagline {
  font-family: var(--font-body);
  font-size: var(--text-base, 1rem);
  color: var(--color-text-muted);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8, 32px);
}

@media (max-width: 640px) {
  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--space-8, 32px);
  }
}

.footer-column h4 {
  font-family: var(--font-display);
  font-size: var(--text-xs, 0.75rem);
  font-weight: var(--font-weight-bold, 700);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4, 16px);
}

.footer-column a {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-base, 1rem);
  color: var(--color-text-secondary);
  padding: var(--space-1_5, 6px) 0;
  transition: color var(--duration-fast, 150ms);
  text-decoration: none;
}

.footer-column a:hover {
  color: var(--color-text-primary);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16, 64px);
  padding: var(--space-16, 64px) 0;
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-10, 40px);
  }
}

.footer-bottom {
  padding-top: var(--space-10, 40px);
  border-top: 1px solid var(--color-border-subtle);
  text-align: center;
  font-family: var(--font-body);
  font-size: var(--text-sm, 0.875rem);
  color: var(--color-text-dimmed);
}

/* ============================================================================
   MEET YOUR TEAM SECTION
   Shows the 6 AI personas with their brand colors
   ============================================================================ */

.footer-team {
  text-align: center;
  padding: clamp(48px, 8vw, 80px) 0 clamp(40px, 6vw, 60px);
  border-bottom: 1px solid var(--color-border-subtle, rgba(44, 37, 32, 0.08));
}

.footer-team__title {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--color-text-primary, var(--color-text-primary));
  margin: 0 0 clamp(6px, 1vw, 10px);
  letter-spacing: -0.02em;
}

.footer-team__subtitle {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: clamp(0.875rem, 1.2vw, 1rem);
  color: var(--color-text-secondary, #5c524a);
  margin: 0 0 clamp(28px, 4vw, 40px);
}

.footer-team__avatars {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: clamp(16px, 3vw, 32px);
  flex-wrap: wrap;
  max-width: 700px;
  margin: 0 auto;
}

.team-avatar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: transform var(--duration-fast, 150ms) var(--ease-out, ease-out);
}

.team-avatar:hover {
  transform: translateY(-4px);
}

.team-avatar__orb {
  width: clamp(52px, 8vw, 64px);
  height: clamp(52px, 8vw, 64px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: box-shadow var(--duration-fast, 150ms), transform var(--duration-fast, 150ms);
}

.team-avatar:hover .team-avatar__orb {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  transform: scale(1.05);
}

/* Outer ring animation on hover */
.team-avatar__orb::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid currentColor;
  opacity: 0;
  transition: opacity var(--duration-fast, 150ms), transform var(--duration-fast, 150ms);
  transform: scale(0.9);
}

.team-avatar:hover .team-avatar__orb::before {
  opacity: 0.3;
  transform: scale(1);
}

.team-avatar__orb .ferni-eyes-svg {
  width: clamp(32px, 5vw, 40px);
  height: clamp(32px, 5vw, 40px);
}

.team-avatar__name {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: clamp(0.8125rem, 1.1vw, 0.9375rem);
  font-weight: 700;
  color: var(--color-text-primary, var(--color-text-primary));
  letter-spacing: -0.01em;
}

.team-avatar__role {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: clamp(0.6875rem, 0.9vw, 0.75rem);
  color: var(--color-text-muted, var(--color-text-muted));
  margin-top: -4px;
}

/* Brand colors for each persona orb */
.team-avatar--ferni .team-avatar__orb {
  background: linear-gradient(135deg, var(--color-ferni) 0%, var(--color-ferni-secondary) 100%);
  color: var(--color-ferni);
  box-shadow: 0 4px 16px rgba(74, 103, 65, 0.25);
}

.team-avatar--maya .team-avatar__orb {
  background: linear-gradient(135deg, var(--color-maya) 0%, #8c6355 100%);
  color: var(--color-maya);
  box-shadow: 0 4px 16px rgba(166, 122, 106, 0.25);
}

.team-avatar--peter .team-avatar__orb {
  background: linear-gradient(135deg, var(--color-peter) 0%, #2d545b 100%);
  color: var(--color-peter);
  box-shadow: 0 4px 16px rgba(58, 107, 115, 0.25);
}

.team-avatar--jordan .team-avatar__orb {
  background: linear-gradient(135deg, var(--color-jordan) 0%, #a86c53 100%);
  color: var(--color-jordan);
  box-shadow: 0 4px 16px rgba(196, 133, 106, 0.25);
}

.team-avatar--alex .team-avatar__orb {
  background: linear-gradient(135deg, var(--color-alex) 0%, #47556e 100%);
  color: var(--color-alex);
  box-shadow: 0 4px 16px rgba(90, 107, 138, 0.25);
}

.team-avatar--nayan .team-avatar__orb {
  background: linear-gradient(135deg, var(--color-nayan) 0%, #9c7d55 100%);
  color: var(--color-nayan);
  box-shadow: 0 4px 16px rgba(184, 149, 106, 0.25);
}

/* Team avatars mobile responsiveness */
@media (max-width: 640px) {
  .footer-team__avatars {
    gap: clamp(12px, 4vw, 20px);
  }

  .team-avatar__orb {
    width: clamp(44px, 12vw, 56px);
    height: clamp(44px, 12vw, 56px);
  }

  .team-avatar__orb .ferni-eyes-svg {
    width: clamp(26px, 7vw, 34px);
    height: clamp(26px, 7vw, 34px);
  }
}

/* ============================================================================
   DARK MODE - System Preference Override
   ============================================================================ */

@media (prefers-color-scheme: dark) {
  .footer:not(.footer--bold) {
    background: var(--color-dark-bg, var(--color-text-primary));
    border-top-color: rgba(255, 255, 255, 0.1);
  }
  
  .footer:not(.footer--bold) .footer__hero {
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }
  
  .footer:not(.footer--bold) .footer__headline {
    color: var(--color-bg-primary, var(--color-bg-elevated));
  }
  
  .footer:not(.footer--bold) .footer__subline {
    color: var(--color-dark-text-secondary, var(--color-bg-secondary));
  }
  
  .footer:not(.footer--bold) .footer__nav-title {
    color: var(--color-highlight, var(--color-nayan));
  }
  
  .footer:not(.footer--bold) .footer__nav-group a {
    color: var(--color-dark-text-secondary, var(--color-bg-secondary));
  }
  
  .footer:not(.footer--bold) .footer__nav-group a:hover {
    color: var(--color-bg-primary, var(--color-bg-elevated));
  }
  
  .footer:not(.footer--bold) .footer__bottom {
    border-top-color: rgba(255, 255, 255, 0.1);
  }
  
  .footer:not(.footer--bold) .footer__logo-text {
    color: var(--color-bg-primary, var(--color-bg-elevated));
  }
  
  .footer:not(.footer--bold) .footer__motto {
    color: var(--color-dark-text-muted, var(--color-text-muted));
    border-left-color: rgba(255, 255, 255, 0.15);
  }
  
  .footer:not(.footer--bold) .footer__legal span,
  .footer:not(.footer--bold) .footer__legal a {
    color: var(--color-dark-text-muted, var(--color-text-muted));
  }
  
  .footer:not(.footer--bold) .footer__legal a:hover {
    color: var(--color-bg-primary, var(--color-bg-elevated));
  }
  
  /* Legacy dark mode support */
  .footer-brand .footer-logo {
    color: var(--color-bg-primary, var(--color-bg-elevated));
  }
  
  .footer-tagline {
    color: var(--color-dark-text-muted, var(--color-text-muted));
  }
  
  .footer-column h4 {
    color: var(--color-highlight, var(--color-nayan));
  }
  
  .footer-column a {
    color: var(--color-dark-text-secondary, var(--color-bg-secondary));
  }
  
  .footer-column a:hover {
    color: var(--color-bg-primary, var(--color-bg-elevated));
  }
  
  .footer-bottom {
    border-top-color: rgba(255, 255, 255, 0.1);
    color: var(--color-dark-text-muted, var(--color-text-muted));
  }

  /* Team section dark mode */
  .footer-team {
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }

  .footer-team__title {
    color: var(--color-bg-primary, var(--color-bg-elevated));
  }

  .footer-team__subtitle {
    color: var(--color-dark-text-secondary, var(--color-bg-secondary));
  }

  .team-avatar__name {
    color: var(--color-bg-primary, var(--color-bg-elevated));
  }

  .team-avatar__role {
    color: var(--color-dark-text-muted, var(--color-text-muted));
  }
}

/* ============================================================================
   FOOTER INNER LAYOUT
   Grid layout for brand + links sections
   ============================================================================ */

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(32px, 6vw, 64px);
  padding: clamp(40px, 6vw, 64px) 0;
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: clamp(32px, 5vw, 48px);
  }
}

/* ============================================================================
   FOOTER LOGO ICON
   The Ferni eyes avatar in the footer brand section
   ============================================================================ */

.footer-logo-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  background: linear-gradient(135deg, var(--color-ferni, var(--color-ferni)) 0%, var(--color-ferni-secondary) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(74, 103, 65, 0.25);
}

.footer-logo-icon .ferni-eyes-svg {
  width: 28px;
  height: 28px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: clamp(1.125rem, 1.8vw, 1.375rem);
  font-weight: 800;
  color: var(--color-text-primary, var(--color-text-primary));
  text-decoration: none;
  letter-spacing: -0.02em;
}

.footer-logo:hover {
  color: var(--color-ferni, var(--color-ferni));
}

/* ============================================================================
   FOOTER SOCIAL LINKS
   Row of social media icon links
   ============================================================================ */

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(44, 37, 32, 0.06);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary, #5c524a);
  transition: all var(--duration-fast, 150ms) var(--ease-out, ease-out);
}

.social-link:hover {
  background: var(--color-ferni, var(--color-ferni));
  color: var(--color-text-inverse);
  transform: translateY(-2px);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

/* Dark mode for footer inner elements */
@media (prefers-color-scheme: dark) {
  .footer-logo {
    color: var(--color-bg-primary, var(--color-bg-elevated));
  }

  .footer-logo:hover {
    color: var(--color-highlight, var(--color-nayan));
  }

  .social-link {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-dark-text-secondary, var(--color-bg-secondary));
  }

  .social-link:hover {
    background: var(--color-highlight, var(--color-nayan));
    color: var(--color-dark-bg, var(--color-text-primary));
  }
}