/* ==========================================================================
       CSS VARIABLES & THEME SETUP
       ========================================================================== */
:root {
  /* Colors - Premium Dark Theme */
  --color-bg-base: #000000;
  --color-bg-surface: #0a0a0a;
  --color-border: #222222;
  --color-border-hover: #333333;

  /* Typography Colors */
  --color-text-primary: #ffffff;
  --color-text-secondary: #888888;
  --color-text-tertiary: #666666;

  /* Accent & Interactive */
  --color-accent: #ffffff;
  --color-cta-bg: #ffffff;
  --color-cta-text: #000000;
  --color-cta-hover: #e5e5e5;
  --color-focus-ring: rgba(255, 255, 255, 0.4);

  /* Typography */
  --font-sans:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Helvetica Neue", sans-serif;

  /* Spacing Scale */
  --space-1: 0.25rem; /* 4px */
  --space-2: 0.5rem; /* 8px */
  --space-3: 0.75rem; /* 12px */
  --space-4: 1rem; /* 16px */
  --space-6: 1.5rem; /* 24px */
  --space-8: 2rem; /* 32px */
  --space-12: 3rem; /* 48px */
  --space-16: 4rem; /* 64px */
  --space-24: 6rem; /* 96px */

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
}

/* ==========================================================================
       GLOBAL RESETS (Scoped for demo, but use in your main stylesheet)
       ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}


/* ==========================================================================
       FOOTER ARCHITECTURE
       ========================================================================== */
.site-footer {
  background-color: var(--color-bg-base);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.875rem; /* 14px */
  position: relative;
  overflow: hidden;
}

.footer-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ==========================================================================
       PRE-FOOTER CTA SECTION (The Conversion Engine)
       ========================================================================== */
.footer-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-24) 0 var(--space-16);
  border-bottom: 1px solid var(--color-border);
}

.footer-cta h2 {
  color: var(--color-text-primary);
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-4);
  max-width: 600px;
}

.footer-cta p {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  margin-bottom: var(--space-8);
  max-width: 500px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-cta-bg);
  color: var(--color-cta-text);
  font-weight: 500;
  font-size: 1rem;
  padding: 0 var(--space-6);
  height: 3rem;
  border-radius: 9999px; /* Pill shape */
  text-decoration: none;
  transition:
    background-color var(--transition-fast),
    transform var(--transition-fast);
  border: 1px solid transparent;
}

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

/* ==========================================================================
       MAIN FOOTER GRID
       ========================================================================== */
.footer-main {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-8);
  padding: var(--space-16) 0;
}

/* Brand Column */
.footer-brand-col {
  display: flex;
  flex-direction: column;
  padding-right: var(--space-8);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-primary);
  font-weight: 600;
  font-size: 1.125rem;
  text-decoration: none;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

/* Semantic logo image styling without inline hacks */
.footer-logo img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  padding: 2px;
  object-fit: contain;
}

.footer-description {
  margin-bottom: var(--space-8);
  max-width: 320px;
  line-height: 1.7;
}

/* Direct Contact Links in Brand Col */
.footer-contact-direct {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-contact-direct a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-weight: 500;
}

.footer-contact-direct a:hover {
  color: var(--color-text-secondary);
}

/* Navigation Columns */
.footer-nav h3 {
  color: var(--color-text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-6);
}

.footer-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-block;
}

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

/* Tag for "Coming Soon" */
.badge {
  display: inline-block;
  margin-left: var(--space-2);
  padding: 2px 6px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  background-color: var(--color-border);
  border-radius: 4px;
}

/* ==========================================================================
       FOOTER BOTTOM (Legal & Socials)
       ========================================================================== */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-tertiary);
}

.footer-legal-links {
  display: flex;
  gap: var(--space-6);
}

.footer-legal-links a {
  color: var(--color-text-tertiary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-legal-links a:hover {
  color: var(--color-text-secondary);
}

.footer-socials {
  display: flex;
  gap: var(--space-4);
}

.footer-socials a {
  color: var(--color-text-tertiary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ==========================================================================
       ACCESSIBILITY
       ========================================================================== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
  border-radius: 2px;
}

.btn-primary:focus-visible {
  border-radius: 9999px; /* Match pill shape */
}

/* ==========================================================================
       RESPONSIVE DESIGN (Media Queries)
       ========================================================================== */

/* Tablet */
@media (max-width: 1024px) {
  .footer-main {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-12) var(--space-6);
  }

  .footer-brand-col {
    grid-column: span 2;
    padding-right: 0;
  }

  .footer-description {
    max-width: 500px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .footer-cta {
    padding: var(--space-16) 0 var(--space-12);
  }

  .footer-cta h2 {
    font-size: 2rem;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    padding: var(--space-12) 0;
  }

  .footer-brand-col {
    grid-column: span 1;
  }

  .footer-bottom {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: var(--space-6);
  }

  .footer-legal-links {
    flex-wrap: wrap;
    gap: var(--space-4);
  }
}