/* ==========================================================================
   Footer — Full variant
   Figma: 1440px canvas, container 1320px
   ========================================================================== */

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

.site-footer {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.5;
  background-color: var(--color-footer-bg);
  border-radius: var(--footer-radius) var(--footer-radius) 0 0;
  overflow: hidden;
  margin-top: var(--spacing-xl);
}

.site-footer a {
  color: var(--color-white);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.site-footer a:hover {
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   Main section
   -------------------------------------------------------------------------- */

.site-footer__main {
  background-color: var(--color-footer-bg);
  color: var(--color-white);
  padding-top: var(--section-padding);
}

/* --------------------------------------------------------------------------
   Top row: Logo + Social icons
   -------------------------------------------------------------------------- */

.site-footer__top-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.site-footer__logo img {
  display: block;
  width: 226px;
  height: auto;
}

.site-footer__social {
  display: flex;
  gap: var(--spacing-xs);
}

.site-footer__social-icon {
  display: block;
  width: 27px;
  height: 27px;
  background-color: var(--color-white);
  border-radius: 50%;
}

.site-footer__social-link:hover .site-footer__social-icon {
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   Content row: Addresses (left) + Nav columns (right)
   -------------------------------------------------------------------------- */

.site-footer__content {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-md);
}

/* Addresses — left side */
.site-footer__addresses {
  flex: 0 0 207px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.site-footer__address-title {
  display: block;
  font-size: var(--p-size);
  font-weight: 700;
  line-height: var(--p-lh);
  margin-bottom: 4px;
}

.site-footer__address-text {
  font-size: var(--p-size);
  font-weight: var(--font-weight-regular);
  line-height: var(--p-lh);
  margin: 0 0 var(--spacing-sm);
}

.site-footer__phone {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
}

.site-footer__phone-icon {
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Navigation columns — right side
   Figma: 660px fixed, 4 columns, justify space-between
   -------------------------------------------------------------------------- */

.site-footer__nav {
  flex: 0 0 660px;
  display: flex;
  justify-content: space-between;
}

.site-footer__column {
  flex: 0 0 auto;
}

.site-footer__column:nth-child(1) .site-footer__column-title,
.site-footer__column:nth-child(2) .site-footer__column-title {
  max-width: 85px;
}

.site-footer__column-title {
  font-size: var(--h4-size);
  line-height: var(--h4-lh);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0;
  color: var(--color-white);
  margin: 0 0 var(--container-padding);
  overflow-wrap: anywhere;
}

.site-footer__column-list,
.site-footer__column ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.site-footer__column li {
  margin: 0;
  padding: 0;
}

.site-footer__column-list a,
.site-footer__column ul a {
  font-size: var(--p-size);
  line-height: var(--p-lh);
  opacity: 0.85;
  white-space: nowrap;
}

.site-footer__column-list a:hover,
.site-footer__column ul a:hover {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   Bottom: Legal links + Patent text
   -------------------------------------------------------------------------- */

.site-footer__bottom {
  margin-top: var(--footer-bottom-gap);
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-md);
}

.site-footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 100%;
}

.site-footer__legal-links a {
  font-size: var(--details-size);
  font-weight: var(--font-weight-regular);
  line-height: var(--details-lh);
}

.site-footer__legal-links a:hover {
  opacity: 0.7;
}

.site-footer__patent {
  font-size: var(--details-size);
  font-weight: var(--font-weight-regular);
  line-height: var(--details-lh);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Soundwave watermark
   -------------------------------------------------------------------------- */

.site-footer__wave {
  background-color: var(--color-footer-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--footer-wave-top) 0 var(--section-padding);
}

.site-footer__wave-graphic {
  color: var(--color-footer-wave);
}

.site-footer__wave-graphic svg,
.site-footer__wave-graphic img {
  width: 291px;
  height: 234px;
}

/* --------------------------------------------------------------------------
   Footer — Minimal variant
   -------------------------------------------------------------------------- */

.site-footer--minimal-wrapper {
  background-color: var(--color-footer-mobile-bg);
  border-radius: var(--footer-radius) var(--footer-radius) 0 0;
  padding: 0 var(--spacing-xl);
}

.site-footer--minimal {
  max-width: var(--container-max-width);
  margin: 0 auto;
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  gap: 74px;
  padding: 67px 0 var(--spacing-xl);
}

.site-footer--minimal__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-footer--minimal__logo img {
  width: 155px;
  height: 52px;
}

.site-footer--minimal__phone {
  background-color: rgba(250, 250, 250, 0.2);
  color: var(--color-white);
  border: none;
  gap: 12px;
  padding: var(--spacing-xs) 12px;
  border-radius: var(--radius-card);
  font-size: var(--p-size);
  text-decoration: none;
}

.site-footer--minimal__phone:hover {
  background-color: rgba(250, 250, 250, 0.35);
  color: var(--color-white);
}

.site-footer--minimal__phone svg {
  flex-shrink: 0;
}

.site-footer--minimal__patent {
  font-family: var(--font-family);
  font-size: var(--details-size);
  line-height: var(--details-lh);
  font-weight: var(--font-weight-regular);
  color: var(--color-background);
  text-align: center;
  margin: 0;
}

/* Minimal footer — Responsive */
@media (max-width: 767px) {
  .site-footer--minimal-wrapper {
    padding: 0 var(--container-padding);
    border-radius: 16px 16px 0 0;
    margin-top: 36px;
  }

  .site-footer--minimal {
    padding: 36px 0 42px;
    gap: 0;
  }

  .site-footer--minimal__top {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: 120px;
  }

  .site-footer--minimal__logo img {
    width: 155px;
    height: 52px;
  }
}

/* --------------------------------------------------------------------------
   Responsive — Tablet (≤ 1023px)
   -------------------------------------------------------------------------- */

@media (max-width: 1023px) {
  .site-footer__content {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .site-footer__addresses {
    flex: none;
    flex-direction: row;
    gap: var(--spacing-xl);
  }

  .site-footer__nav {
    flex: none;
    width: 100%;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    justify-content: space-between;
  }

  .site-footer__column {
    width: auto;
    flex: 0 0 auto;
  }
}

/* --------------------------------------------------------------------------
   Responsive — Mobile (≤ 767px)
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {

  /* --- Background: orange, rounded top --- */
  .site-footer {
    background-color: var(--color-footer-mobile-bg);
    margin-top: 36px;
  }

  .site-footer__main {
    background-color: var(--color-footer-mobile-bg);
    padding-top: var(--section-padding);
  }

  .site-footer__wave {
    background-color: var(--color-footer-mobile-bg);
  }

  .site-footer__wave-graphic {
    color: var(--color-white);
  }

  /* --- Logo: 155×52, centered --- */
  .site-footer__logo img {
    width: 155px;
    height: 52px;
  }

  /* --- Top row: stacked vertically, centered --- */
  .site-footer__top-row {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
  }

  /* --- Social icons --- */
  .site-footer__social {
    gap: 10px;
  }

  .site-footer__social-icon {
    width: 27px;
    height: 26px;
  }

  /* --- Content: stacked, centered --- */
  .site-footer__content {
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-top: var(--spacing-xl);
    gap: 0;
  }

  /* --- Addresses: stacked, centered, full width --- */
  .site-footer__addresses {
    flex: none;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    width: 100%;
  }

  .site-footer__address {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  /* --- Phone: body size, gap 12px --- */
  .site-footer__phone {
    justify-content: center;
    font-size: var(--p-size);
    line-height: var(--p-lh);
    gap: 12px;
  }

  .site-footer__phone-icon {
    width: 20px;
    height: 20px;
  }

  /* --- Nav: 2×2 grid, centered --- */
  .site-footer__nav {
    flex: none;
    width: 100%;
    flex-wrap: wrap;
    gap: var(--spacing-lg) 0;
    justify-content: space-between;
    padding: 0 var(--container-padding);
    box-sizing: border-box;
    margin-top: var(--spacing-xl);
  }

  .site-footer__column,
  .site-footer__column:nth-child(1),
  .site-footer__column:nth-child(2) {
    flex: 0 0 48%;
    width: auto;
    text-align: center;
  }

  .site-footer__column:nth-child(1) .site-footer__column-title,
  .site-footer__column:nth-child(2) .site-footer__column-title {
    max-width: none;
  }

  .site-footer__column-title {
    font-size: var(--h4-size);
    line-height: var(--h4-lh);
    margin-bottom: 14px;
    overflow-wrap: normal;
  }

  .site-footer__column-list,
  .site-footer__column ul {
    align-items: center;
    gap: 14px;
  }

  .site-footer__column-list a,
  .site-footer__column ul a {
    white-space: normal;
    font-size: var(--p-size);
    line-height: var(--p-lh);
    color: var(--color-white);
    opacity: 1;
  }

  /* --- Bottom: centered --- */
  .site-footer__bottom {
    margin-top: var(--footer-wave-top);
    padding: 0;
  }

  .site-footer__legal-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px 12px;
  }

  .site-footer__legal-links a {
    font-size: var(--details-size);
    line-height: var(--details-lh);
  }

  .site-footer__patent {
    font-size: var(--details-size);
    line-height: var(--details-lh);
    text-align: center;
  }

  /* --- Wave: smaller, white --- */
  .site-footer__wave {
    padding: 12px 0 var(--spacing-xxl);
  }

  .site-footer__wave-graphic svg,
  .site-footer__wave-graphic img {
    width: 148px;
    height: 119px;
  }
}