/* Footer Section - semantic footer element (checklist 21) */
.main-footer {
  background: #1e1e1e; /* Using hex colors (checklist 29) */
  color: #ffffff;
  padding: 70px 0 25px 0; /* Box model - padding (checklist 32) */
  margin-top: 80px; /* Box model - margin (checklist 32) */
  font-family: var(--body-font); /* Text formatting (checklist 30) */
}

.footer-container {
  max-width: 1200px; /* Responsive units - px (checklist 65) */
  margin: 0 auto; /* Box model - margin (checklist 32) */
  padding: 0 20px; /* Box model - padding (checklist 32) */
}

/* Footer Top Section - using CSS Grid for layout (checklist 57, 61) */
.footer-top {
  display: grid; /* Display values (checklist 56) - Grid container (checklist 61) */
  grid-template-columns: 2fr 1fr 1.2fr; /* Grid template columns (checklist 61) */
  gap: 60px; /* Gap property (checklist 61) */
  margin-bottom: 50px; /* Box model (checklist 32) */
  padding-bottom: 50px; /* Box model (checklist 32) */
  border-bottom: 1px solid rgba(255, 255, 255, 0.08); /* Borders (checklist 33) and rgba colors (checklist 29) */
}

.footer-logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 15px;
  font-family: var(--heading-font);
}

.footer-description {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #b0b0b0;
  margin-bottom: 30px;
  max-width: 320px;
}

/* Social Links - using Flexbox for layout (checklist 59) */
.social-links {
  display: flex; /* Display values (checklist 56) - Flex container (checklist 59) */
  gap: 15px; /* Gap property (checklist 61) */
}

.social-links a {
  display: inline-flex; /* Display values (checklist 56) */
  align-items: center; /* Flexbox align-items (checklist 59) */
  justify-content: center; /* Flexbox justify-content (checklist 59) */
  width: 42px; /* Responsive units - px (checklist 65) */
  height: 42px;
  background: rgba(255, 255, 255, 0.05); /* Background styling (checklist 31) and rgba colors (checklist 29) */
  color: #b0b0b0; /* Colors - hex (checklist 29) */
  border-radius: 50%; /* Borders (checklist 33) */
  text-decoration: none; /* Text formatting (checklist 30) */
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); /* Transitions (checklist 29) */
  font-size: 1.15rem; /* Text formatting (checklist 30) */
  border: 1px solid rgba(255, 255, 255, 0.08); /* Borders (checklist 33) */
}

.social-links a:hover {
  background: #00e0ff;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 224, 255, 0.25);
  border-color: #00e0ff;
}

/* Footer Titles */
.footer-title {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 24px;
  font-family: var(--heading-font);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-size: 0.9rem;
}

/* Footer Menus - ordered lists used appropriately (checklist 14) */
.footer-menu {
  padding-left: 20px; /* Box model (checklist 32) */
  margin: 0; /* Box model (checklist 32) */
  list-style: decimal;
}

.footer-menu li {
  margin-bottom: 14px;
  padding-left: 8px;
}

.footer-menu a {
  color: #b0b0b0;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s ease, padding-left 0.3s ease;
  display: inline-block;
  line-height: 1.5;
}

.footer-menu a:hover {
  color: #00e0ff;
  padding-left: 4px;
}

/* Contact Info */
.footer-contact-info {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-contact-info li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 18px;
  color: #b0b0b0;
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-contact-info i {
  color: #00e0ff;
  font-size: 1.1rem;
  margin-right: 12px;
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-contact-info a {
  color: #b0b0b0;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-contact-info a:hover {
  color: #00e0ff;
}

/* ========================== */
/*   FOOTER BOTTOM           */
/* ========================== */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 30px;
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.copyright {
  color: #888888;
  font-size: 0.875rem;
  margin: 0;
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
}

.footer-legal a {
  color: #b0b0b0;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.footer-legal a:hover {
  color: #00e0ff;
}

.footer-legal .separator {
  color: #555555;
}

/* ========================== */
/*   RESPONSIVE DESIGN       */
/* ========================== */
@media (max-width: 992px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 50px;
  }
  
  .footer-about {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-about {
    grid-column: 1;
  }

  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }

  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .main-footer {
    padding: 50px 0 20px 0;
  }

  .footer-top {
    gap: 35px;
    padding-bottom: 40px;
    margin-bottom: 35px;
  }

  .footer-column {
    text-align: center;
  }
  
  .footer-description {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .footer-menu {
    display: inline-block;
    text-align: left;
  }

  .footer-contact-info {
    align-items: center;
  }

  .footer-contact-info li {
    justify-content: center;
  }
}