:root {
  --footer-bg: #22262F;
  --footer-accent: #3E7DFC;
  --footer-heading: #fff;
  --footer-text: #a1a1aa;
  --footer-text-light: #d4d4d8;
  --footer-border: rgba(161, 161, 170, 0.2);
}

body {
  margin: 0;
  font-family: 'Inter', Arial, sans-serif;
  background: #111;
}

.footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  position: relative;
  overflow: hidden;
}

.footer-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.footer-main-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .footer-main-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
  }
  .section-border-right {
    border-right: 1px solid var(--footer-border);
    padding-right: 4rem;
  }
  .footer-section:nth-child(2) {
    padding-left: 2rem;
    padding-right: 2rem;
  }
  .footer-section:last-child {
    padding-left: 4rem;
  }
}

.footer-heading {
  color: var(--footer-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  margin-bottom: 2rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-nav a {
  color: var(--footer-text);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.footer-nav a:hover {
  color: var(--footer-heading);
}

.footer-text {
  color: var(--footer-text);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}
.footer-text.small {
  color: var(--footer-text-light);
  font-size: 0.8rem;
  margin-bottom: 0;
}

.subscribe-form {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.subscribe-input {
  flex: 1;
  padding: 0.5rem 1rem;
  border: 1px solid var(--footer-border);
  background: transparent;
  color: var(--footer-text);
  border-radius: 0.375rem;
  font-size: 1rem;
}
.subscribe-input::placeholder {
  color: var(--footer-text-light);
  opacity: 0.6;
}
.subscribe-btn {
  background: var(--footer-accent);
  color: #18181b;
  border: none;
  border-radius: 0.375rem;
  padding: 0.5rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.subscribe-btn:hover {
  background: #bef264;
}

.footer-divider {
  border-top: 1px solid var(--footer-border);
  margin-bottom: 2rem;
}

.footer-bottom-grid {
  display: grid;
  grid-template-columns: 1fr;
}
.footer-bottom-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.5rem;
  border: 1px solid var(--footer-border);
  font-size: 0.95rem;
}
.footer-icon {
  font-size: 1.1rem;
  color: var(--footer-text);
}
@media (min-width: 768px) {
  .footer-bottom-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (min-width: 1024px) {
  .footer-bottom-grid {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }
}

.footer-copyright {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 3rem;
  align-items: flex-start;
  justify-content: space-between;
}
.footer-legal-links {
  display: flex;
  gap: 2rem;
}
.footer-legal-links a {
  color: var(--footer-text);
  text-decoration: underline;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.footer-legal-links a:hover {
  color: var(--footer-heading);
}
@media (min-width: 768px) {
  .footer-copyright {
    flex-direction: row;
    align-items: center;
  }
}

.corner-accent {
  position: absolute;
  width: 3rem;
  height: 3rem;
  pointer-events: none;
}
.top-left {
  top: 0;
  left: 0;
}
.top-right {
  top: 0;
  right: 0;
}
.bottom-left {
  bottom: 0;
  left: 0;
}
.bottom-right {
  bottom: 0;
  right: 0;
}
.accent-bar.horizontal {
  position: absolute;
  top: 0;
  left: 0;
  width: 2rem;
  height: 2px;
  background: var(--footer-accent);
}
.accent-bar.vertical {
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 2rem;
  background: var(--footer-accent);
}
.top-right .accent-bar.horizontal {
  left: auto;
  right: 0;
}
.top-right .accent-bar.vertical {
  left: auto;
  right: 0;
}
.bottom-left .accent-bar.horizontal {
  top: auto;
  bottom: 0;
}
.bottom-left .accent-bar.vertical {
  top: auto;
  bottom: 0;
}
.bottom-right .accent-bar.horizontal {
  top: auto;
  bottom: 0;
  left: auto;
  right: 0;
}
.bottom-right .accent-bar.vertical {
  top: auto;
  bottom: 0;
  left: auto;
  right: 0;
}