/* ==========================================================
   AIKCU — FOOTER v1 / MASTER-oriented
   Только footer. Принятые Hero / Ecosystem / Development / About
   не изменяются.
   ========================================================== */

.site-footer {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(
      180deg,
      #071f30 0%,
      #061b2a 58%,
      #051824 100%
    );
  color: #faf8f5;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .20;
  background:
    linear-gradient(
      28deg,
      transparent 49.76%,
      rgba(99, 200, 238, .032) 50%,
      transparent 50.24%
    ),
    linear-gradient(
      152deg,
      transparent 49.76%,
      rgba(255, 126, 34, .022) 50%,
      transparent 50.24%
    );
  background-size: 30rem 24rem, 36rem 29rem;
}

.site-footer__shell {
  position: relative;
  z-index: 2;
  padding-block: .55rem 1.15rem;
}

.site-footer__panel {
  position: relative;
  min-height: 6.15rem;
  padding: 1.15rem 1.5rem;
  display: grid;
  grid-template-columns: minmax(14rem, 1fr) auto minmax(14rem, 1fr);
  align-items: center;
  gap: clamp(1rem, 4vw, 4rem);

  border: 1px solid rgba(158, 221, 245, .42);
  border-radius: .78rem;
  background:
    linear-gradient(
      180deg,
      rgba(9, 34, 50, .64),
      rgba(5, 24, 37, .56)
    );
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.025),
    0 -12px 28px rgba(56, 158, 202, .025),
    0 12px 36px rgba(0,0,0,.10);
  backdrop-filter: blur(12px);
}

.site-footer__panel::before {
  content: "";
  position: absolute;
  left: 4%;
  right: 4%;
  top: -1px;
  height: 1px;
  pointer-events: none;
  background:
    linear-gradient(
      90deg,
      transparent,
      rgba(102, 207, 245, .18) 24%,
      rgba(255, 126, 34, .52) 72%,
      transparent
    );
  filter: drop-shadow(0 0 5px rgba(255, 126, 34, .16));
}

.site-footer__panel::after {
  content: "";
  position: absolute;
  width: 13rem;
  height: 4rem;
  right: 12%;
  top: -1.5rem;
  pointer-events: none;
  background:
    radial-gradient(
      ellipse,
      rgba(255, 126, 34, .075),
      rgba(72, 183, 225, .035) 46%,
      transparent 72%
    );
  filter: blur(12px);
}

.site-footer__brand {
  position: relative;
  z-index: 2;
  width: max-content;
  color: inherit;
  text-decoration: none;
}

.site-footer__brand strong {
  display: block;
  color: #faf8f5;
  font-size: 1.65rem;
  line-height: 1;
  letter-spacing: .05em;
  font-weight: 650;
}

.site-footer__brand strong span {
  color: #f46c10;
}

.site-footer__brand small {
  display: block;
  margin-top: .42rem;
  color: #879299;
  font-size: .67rem;
  line-height: 1.3;
}

.site-footer__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(2rem, 4vw, 4.4rem);
}

.site-footer__nav a {
  position: relative;
  padding-block: .35rem;
  color: #aeb8bd;
  font-size: .76rem;
  line-height: 1;
  text-decoration: none;
  transition:
    color 180ms ease,
    text-shadow 180ms ease;
}

.site-footer__nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -.1rem;
  width: 0;
  height: 1px;
  transform: translateX(-50%);
  background: #f46c10;
  box-shadow: 0 0 6px rgba(244, 108, 16, .24);
  transition: width 180ms ease;
}

.site-footer__nav a:hover,
.site-footer__nav a:focus-visible {
  color: #faf8f5;
  text-shadow: 0 0 12px rgba(91, 190, 229, .12);
}

.site-footer__nav a:hover::after,
.site-footer__nav a:focus-visible::after {
  width: 100%;
}

.site-footer__nav a:focus-visible,
.site-footer__brand:focus-visible {
  outline: 2px solid #39a9ff;
  outline-offset: 3px;
  border-radius: .2rem;
}

.site-footer__copyright {
  position: relative;
  z-index: 2;
  justify-self: end;
  margin: 0;
  color: #879299;
  font-size: .67rem;
  line-height: 1.5;
  text-align: left;
}

.site-footer__copyright span {
  display: block;
}

.site-footer__spark {
  position: absolute;
  z-index: 3;
  width: .28rem;
  height: .28rem;
  border-radius: 50%;
  pointer-events: none;
  background: #ff7a1c;
  box-shadow:
    0 0 5px rgba(255, 122, 28, .95),
    0 0 13px rgba(255, 122, 28, .42),
    0 0 24px rgba(255, 122, 28, .16);
}

.site-footer__spark::before,
.site-footer__spark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  background: linear-gradient(90deg, transparent, rgba(255, 166, 90, .64), transparent);
}

.site-footer__spark::before {
  width: 3.4rem;
  height: 1px;
}

.site-footer__spark::after {
  width: 1px;
  height: 3.4rem;
  background: linear-gradient(180deg, transparent, rgba(255, 166, 90, .56), transparent);
}

.site-footer__spark--one {
  right: 27%;
  top: -.18rem;
}

.site-footer__spark--two {
  right: 11%;
  bottom: .8rem;
  opacity: .42;
  transform: scale(.65);
}

/* Tablet */
@media (max-width: 960px) and (min-width: 761px) {
  .site-footer__panel {
    grid-template-columns: 1fr auto;
    gap: 1.1rem 2rem;
  }

  .site-footer__nav {
    justify-self: end;
    gap: 2.2rem;
  }

  .site-footer__copyright {
    grid-column: 1 / -1;
    justify-self: end;
    text-align: right;
  }
}

/* Mobile 390 */
@media (max-width: 760px) {
  .site-footer__shell {
    padding-block: .45rem .8rem;
  }

  .site-footer__panel {
    min-height: 0;
    padding: 1.15rem 1rem 1rem;
    grid-template-columns: 1fr;
    gap: 1rem;
    border-radius: .7rem;
  }

  .site-footer__brand {
    width: auto;
  }

  .site-footer__brand strong {
    font-size: 1.42rem;
  }

  .site-footer__brand small {
    font-size: .64rem;
  }

  .site-footer__nav {
    justify-content: flex-start;
    gap: 1.7rem;
    padding-block: .25rem;
    border-top: 1px solid rgba(152, 220, 245, .09);
    border-bottom: 1px solid rgba(152, 220, 245, .09);
  }

  .site-footer__nav a {
    font-size: .70rem;
  }

  .site-footer__copyright {
    justify-self: start;
    text-align: left;
    font-size: .62rem;
  }

  .site-footer__spark--one {
    right: 16%;
  }

  .site-footer__spark--two {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-footer__nav a,
  .site-footer__nav a::after {
    transition: none;
  }
}


/* ==========================================================
   FOOTER v2 — polish
   Desktop:
   - чуть ближе к About;
   - вторичный текст светлее.
   Mobile:
   - компактный двухрядный layout вместо высокой карточки.
   ========================================================== */

.site-footer {
  margin-top: -1rem;
}

.site-footer__brand small,
.site-footer__copyright {
  color: #9aa7ad;
}

/* Desktop / tablet: структура v1 сохраняется. */
@media (min-width: 761px) {
  .site-footer__shell {
    padding-top: .35rem;
  }
}

/* Mobile 390 */
@media (max-width: 760px) {
  .site-footer {
    margin-top: -.55rem;
  }

  .site-footer__shell {
    padding-block: .35rem .65rem;
  }

  .site-footer__panel {
    min-height: 0;
    padding: .9rem .95rem .78rem;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    align-items: center;
    gap: .72rem 1rem;
    border-radius: .68rem;
  }

  .site-footer__brand {
    grid-column: 1;
    grid-row: 1;
    width: auto;
    min-width: 0;
  }

  .site-footer__brand strong {
    font-size: 1.28rem;
    letter-spacing: .045em;
  }

  .site-footer__brand small {
    margin-top: .32rem;
    font-size: .59rem;
    line-height: 1.25;
    white-space: nowrap;
  }

  .site-footer__copyright {
    grid-column: 2;
    grid-row: 1;
    align-self: center;
    justify-self: end;
    text-align: right;
    font-size: .56rem;
    line-height: 1.42;
    white-space: nowrap;
  }

  .site-footer__nav {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    padding-top: .62rem;
    padding-bottom: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    justify-content: stretch;
    gap: 0;
    border-top: 1px solid rgba(152, 220, 245, .10);
    border-bottom: 0;
  }

  .site-footer__nav a {
    padding: .18rem .2rem;
    font-size: .67rem;
    text-align: center;
  }

  .site-footer__nav a + a {
    border-left: 1px solid rgba(152, 220, 245, .08);
  }

  .site-footer__nav a::after {
    bottom: -.2rem;
  }

  .site-footer__spark--one {
    right: 15%;
    top: -.16rem;
    transform: scale(.82);
  }

  .site-footer__spark--two {
    display: none;
  }
}

/* Защита для совсем узких экранов. */
@media (max-width: 350px) {
  .site-footer__panel {
    grid-template-columns: 1fr;
  }

  .site-footer__brand,
  .site-footer__copyright,
  .site-footer__nav {
    grid-column: 1;
  }

  .site-footer__copyright {
    grid-row: 2;
    justify-self: start;
    text-align: left;
  }

  .site-footer__nav {
    grid-row: 3;
  }
}