/* ProAI Expert — Homepage Footer Canonical Golden R3
   Homepage-only visual system. Shared Footer System contract remains unchanged.
   Visual foundation: Home Footer Signature R1; structure/data: canonical Footer System. */

.home-footer-golden-r3,
.home-footer-golden-r3 * { box-sizing: border-box; }

.home-footer-golden-r3 {
  --hf-pearl: #f2f0eb;
  --hf-pearl-soft: #e8e6e1;
  --hf-silver: #cdd1d0;
  --hf-silver-mid: #aeb3b6;
  --hf-meta: #858b91;
  --hf-graphite: #111419;
  --hf-deep: #020304;
  --hf-black: #010203;
  --hf-border: rgba(242,240,235,.07);
  position: relative !important;
  display: block !important;
  width: 100% !important;
  overflow: clip !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-top: 1px solid var(--hf-border) !important;
  color: var(--hf-pearl) !important;
  background:
    radial-gradient(ellipse at 50% 4%, rgba(205,209,208,.055), transparent 37%),
    radial-gradient(ellipse at 92% 46%, rgba(82,86,96,.025), transparent 28%),
    linear-gradient(180deg, #050607 0%, var(--hf-deep) 70%, var(--hf-black) 100%) !important;
  font-family: "Instrument Sans Variable", "Instrument Sans", Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
  isolation: isolate;
}

.home-footer-golden-r3::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0 40%, rgba(255,255,255,.013) 49%, transparent 58%),
    radial-gradient(circle at 20% 16%, rgba(255,255,255,.018), transparent 24%);
  opacity: .82;
}

.home-footer-golden-r3__shell {
  width: min(calc(100% - 80px), 1600px);
  margin-inline: auto;
  padding: clamp(72px, 7vw, 112px) 0 max(28px, env(safe-area-inset-bottom));
}

.home-footer-golden-r3__main {
  display: grid;
  grid-template-columns: minmax(0, 1.24fr) minmax(380px, .76fr);
  align-items: start;
  gap: clamp(64px, 8vw, 132px);
  padding-bottom: clamp(58px, 7vw, 102px);
}

.home-footer-golden-r3__cta { min-width: 0; }

.home-footer-golden-r3__eyebrow,
.home-footer-golden-r3__group h3 {
  margin: 0;
  color: rgba(205,209,208,.52) !important;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace !important;
  font-size: 9px !important;
  font-weight: 700 !important;
  line-height: 1.35 !important;
  letter-spacing: .18em !important;
  text-transform: uppercase !important;
}

.home-footer-golden-r3__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.home-footer-golden-r3__eyebrow::before {
  content: "";
  flex: 0 0 36px;
  width: 36px;
  height: 1px;
  background: linear-gradient(90deg, rgba(205,209,208,.72), rgba(205,209,208,.08));
}

.home-footer-golden-r3__cta h2 {
  max-width: 12ch;
  margin: 0 !important;
  color: var(--hf-pearl) !important;
  font-family: "Instrument Sans Variable", "Instrument Sans", Inter, sans-serif !important;
  font-size: clamp(48px, 5.55vw, 88px) !important;
  font-weight: 560 !important;
  font-variation-settings: "wght" 560;
  line-height: .95 !important;
  letter-spacing: -.052em !important;
  text-wrap: balance;
  animation: homeFooterGoldenTitleBreath 6.4s cubic-bezier(.42,0,.22,1) infinite;
  will-change: filter, text-shadow;
}

@keyframes homeFooterGoldenTitleBreath {
  0%, 62%, 100% {
    filter: brightness(1);
    text-shadow: 0 0 0 rgba(242,240,235,0);
  }
  72% {
    filter: brightness(1.055);
    text-shadow:
      0 0 18px rgba(242,240,235,.14),
      0 0 42px rgba(205,209,208,.07);
  }
  82% {
    filter: brightness(1.15);
    text-shadow:
      0 0 24px rgba(242,240,235,.22),
      0 0 58px rgba(205,209,208,.12),
      0 0 92px rgba(174,179,182,.055);
  }
  91% {
    filter: brightness(1.045);
    text-shadow:
      0 0 14px rgba(242,240,235,.10),
      0 0 34px rgba(205,209,208,.05);
  }
}

.home-footer-golden-r3__summary {
  max-width: 650px;
  margin: 26px 0 30px !important;
  color: rgba(174,179,182,.78) !important;
  font-size: clamp(15px, 1.15vw, 17px) !important;
  font-weight: 430 !important;
  line-height: 1.68 !important;
  letter-spacing: -.006em !important;
}

.home-footer-golden-r3__action {
  position: relative;
  display: inline-flex !important;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 23px;
  overflow: hidden;
  border: 1px solid rgba(232,231,226,.19) !important;
  border-radius: 8px;
  color: var(--hf-pearl) !important;
  background:
    linear-gradient(180deg, rgba(255,255,255,.052), rgba(255,255,255,.014) 31%, rgba(0,0,0,.09)),
    linear-gradient(100deg, rgba(205,209,208,.014), rgba(241,239,234,.028) 50%, rgba(205,209,208,.012)),
    #151a20 !important;
  box-shadow:
    inset 0 1px 0 rgba(245,246,246,.11),
    inset 0 -1px 0 rgba(0,0,0,.66),
    0 16px 34px rgba(0,0,0,.12);
  text-decoration: none !important;
  font-size: 12.5px !important;
  font-weight: 650 !important;
  line-height: 1 !important;
  letter-spacing: .01em !important;
  transition: transform 180ms cubic-bezier(.2,.7,.2,1), border-color 180ms ease, background-color 180ms ease;
}

.home-footer-golden-r3__utility {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px 48px;
  padding-top: 8px;
}

.home-footer-golden-r3__group {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.home-footer-golden-r3__contact {
  grid-column: 1 / -1;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(242,240,235,.055);
}

.home-footer-golden-r3__group h3 { margin-bottom: 9px; }

.home-footer-golden-r3__group a,
.home-footer-golden-r3__locale a {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  color: rgba(242,240,235,.68) !important;
  text-decoration: none !important;
  text-shadow: none !important;
  font-size: 14px !important;
  font-weight: 430 !important;
  line-height: 1.42 !important;
  letter-spacing: -.005em !important;
  transition: color 170ms ease;
}

.home-footer-golden-r3__signature {
  --pointer-x: 50%;
  --pointer-y: 50%;
  position: relative;
  display: block !important;
  width: 100%;
  min-height: clamp(154px, 14vw, 226px);
  padding: clamp(38px, 4.6vw, 72px) 0 clamp(34px, 4vw, 62px);
  overflow: hidden;
  isolation: isolate;
  border-top: 1px solid rgba(242,240,235,.055);
  border-bottom: 1px solid rgba(242,240,235,.055);
  color: inherit !important;
  text-decoration: none !important;
}

.home-footer-golden-r3__signature::before,
.home-footer-golden-r3__signature::after,
.home-footer-golden-r3__signature-light {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.home-footer-golden-r3__signature::before {
  z-index: 0;
  background: linear-gradient(108deg, transparent 0 35%, rgba(255,255,255,.032) 46%, rgba(205,209,208,.014) 50%, transparent 61%);
  background-size: 220% 100%;
  background-position: 12% 50%;
  opacity: .72;
  animation: homeFooterGoldenReflectance 24s ease-in-out infinite alternate;
}

.home-footer-golden-r3__signature::after {
  z-index: 2;
  background:
    radial-gradient(circle at var(--pointer-x) var(--pointer-y), rgba(242,240,235,.12) 0, rgba(205,209,208,.055) 10%, rgba(111,105,153,.026) 18%, transparent 38%);
  opacity: 0;
  mix-blend-mode: screen;
  transition: opacity 540ms cubic-bezier(.2,.7,.2,1);
}

.home-footer-golden-r3__signature-light {
  z-index: 0;
  background: radial-gradient(ellipse at 50% 52%, rgba(205,209,208,.024), transparent 61%);
  opacity: .72;
  animation: homeFooterGoldenAmbient 18s ease-in-out infinite alternate;
}

.home-footer-golden-r3__signature-text {
  position: relative;
  z-index: 1;
  display: block;
  width: max-content;
  max-width: 100%;
  background:
    linear-gradient(104deg,
      rgba(151,156,159,.62) 0%,
      rgba(229,228,223,.88) 17%,
      rgba(176,181,181,.70) 32%,
      rgba(243,241,236,.94) 47%,
      rgba(142,147,151,.61) 63%,
      rgba(218,219,216,.83) 80%,
      rgba(155,159,163,.62) 100%);
  background-size: 210% 100%;
  background-position: 8% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent !important;
  -webkit-text-fill-color: transparent;
  filter: brightness(.94) contrast(1.025);
  font-family: "Instrument Sans Variable", "Instrument Sans", Inter, sans-serif !important;
  font-size: clamp(72px, 12.35vw, 206px) !important;
  font-weight: 630 !important;
  font-variation-settings: "wght" 630;
  line-height: .82 !important;
  letter-spacing: -.075em !important;
  white-space: nowrap;
  animation: homeFooterGoldenMetalDrift 24s ease-in-out infinite alternate;
  transition: filter 520ms cubic-bezier(.2,.7,.2,1);
}

@keyframes homeFooterGoldenReflectance {
  0%, 18% { background-position: 8% 50%; opacity: .55; }
  55% { background-position: 74% 50%; opacity: .82; }
  100% { background-position: 118% 50%; opacity: .62; }
}

@keyframes homeFooterGoldenMetalDrift {
  0%, 20% { background-position: 5% 50%; filter: brightness(.93) contrast(1.02); }
  52% { background-position: 64% 50%; filter: brightness(1.01) contrast(1.04); }
  100% { background-position: 104% 50%; filter: brightness(.96) contrast(1.03); }
}

@keyframes homeFooterGoldenAmbient {
  from { opacity: .46; transform: translateX(-2%); }
  to { opacity: .78; transform: translateX(2%); }
}

.home-footer-golden-r3__bottom {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 26px;
  padding-top: 26px;
  color: rgba(174,179,182,.46) !important;
}

.home-footer-golden-r3__logo {
  display: inline-flex !important;
  width: max-content;
  min-height: 48px;
  align-items: center;
  color: var(--hf-pearl) !important;
  text-decoration: none !important;
}

.home-footer-golden-r3__logo .proai-logo-r341__static {
  filter: none !important;
  opacity: 1 !important;
  transform: none !important;
  animation: none !important;
}

.home-footer-golden-r3__locale a {
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  color: rgba(242,240,235,.64) !important;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace !important;
  font-size: 10px !important;
  font-weight: 700 !important;
  letter-spacing: .14em !important;
  text-transform: uppercase;
}

.home-footer-golden-r3__copyright {
  margin: 0 !important;
  color: rgba(133,139,145,.58) !important;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace !important;
  font-size: 9px !important;
  font-weight: 600 !important;
  line-height: 1.45 !important;
  letter-spacing: .08em !important;
  text-align: right;
  text-transform: uppercase;
}

.home-footer-golden-r3 a:focus-visible {
  outline: 2px solid rgba(236,234,229,.78) !important;
  outline-offset: 4px !important;
  border-radius: 4px;
}

@media (hover:hover) and (pointer:fine) {
  .home-footer-golden-r3__action:hover,
  .home-footer-golden-r3__action:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(232,231,226,.30) !important;
    background:
      linear-gradient(180deg, rgba(255,255,255,.068), rgba(255,255,255,.018) 31%, rgba(0,0,0,.08)),
      linear-gradient(100deg, rgba(205,209,208,.018), rgba(241,239,234,.036) 50%, rgba(205,209,208,.015)),
      #1a2027 !important;
  }

  .home-footer-golden-r3__group a:hover,
  .home-footer-golden-r3__group a:focus-visible,
  .home-footer-golden-r3__locale a:hover,
  .home-footer-golden-r3__locale a:focus-visible {
    color: var(--hf-pearl) !important;
  }

  .home-footer-golden-r3__signature.is-awake::after,
  .home-footer-golden-r3__signature:hover::after { opacity: .92; }

  .home-footer-golden-r3__signature.is-awake .home-footer-golden-r3__signature-text,
  .home-footer-golden-r3__signature:hover .home-footer-golden-r3__signature-text {
    filter: brightness(1.085) contrast(1.055);
  }
}

@media (max-width: 1120px) {
  .home-footer-golden-r3__shell { width: min(calc(100% - 56px), 1600px); }
  .home-footer-golden-r3__main {
    grid-template-columns: minmax(0, 1.12fr) minmax(330px, .88fr);
    gap: 56px;
  }
  .home-footer-golden-r3__signature-text { font-size: clamp(68px, 12vw, 132px) !important; }
}

@media (max-width: 880px) {
  .home-footer-golden-r3__shell { width: calc(100% - 48px); }
  .home-footer-golden-r3__main {
    grid-template-columns: 1fr;
    gap: 58px;
  }
  .home-footer-golden-r3__utility {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
    padding-top: 0;
  }
  .home-footer-golden-r3__contact {
    grid-column: auto;
    padding-bottom: 0;
    border-bottom: 0;
  }
  .home-footer-golden-r3__signature { min-height: 132px; }
  .home-footer-golden-r3__signature-text { font-size: clamp(58px, 12vw, 104px) !important; }
}

@media (max-width: 640px) {
  .home-footer-golden-r3__shell {
    width: calc(100% - 32px);
    padding-top: 52px;
  }
  .home-footer-golden-r3__main {
    gap: 46px;
    padding-bottom: 48px;
  }
  .home-footer-golden-r3__eyebrow { margin-bottom: 18px; }
  .home-footer-golden-r3__cta h2 {
    max-width: 11.4ch;
    font-size: clamp(40px, 11.2vw, 56px) !important;
    line-height: .98 !important;
  }
  .home-footer-golden-r3__summary {
    margin-top: 22px !important;
    font-size: 15px !important;
    line-height: 1.62 !important;
  }
  .home-footer-golden-r3__utility {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .home-footer-golden-r3__group,
  .home-footer-golden-r3__contact {
    grid-column: auto;
    padding: 24px 0;
    border-top: 1px solid rgba(242,240,235,.055);
    border-bottom: 0;
  }
  .home-footer-golden-r3__group:first-child { padding-top: 0; border-top: 0; }
  .home-footer-golden-r3__group a { min-height: 38px; }
  .home-footer-golden-r3__signature {
    min-height: 116px;
    padding: 34px 0 30px;
  }
  .home-footer-golden-r3__signature-text {
    width: 100%;
    max-width: none;
    font-size: clamp(47px, 15.4vw, 72px) !important;
    letter-spacing: -.08em !important;
  }
  .home-footer-golden-r3__bottom {
    grid-template-columns: 1fr auto;
    gap: 16px;
    padding-top: 22px;
  }
  .home-footer-golden-r3__copyright {
    grid-column: 1 / -1;
    text-align: left;
  }
  .home-footer-golden-r3__logo .proai-logo-r341--footer {
    --logo-cube: 36px;
    --logo-word: 20px;
    --logo-gap: 9px;
  }
}

@media (max-width: 390px) {
  .home-footer-golden-r3__shell { width: calc(100% - 28px); }
  .home-footer-golden-r3__cta h2 { font-size: clamp(38px, 10.9vw, 46px) !important; }
  .home-footer-golden-r3__signature-text { font-size: clamp(45px, 15.1vw, 60px) !important; }
}

@media (max-height: 520px) and (orientation: landscape) {
  .home-footer-golden-r3__shell { padding-top: 42px; }
  .home-footer-golden-r3__main { gap: 38px; padding-bottom: 42px; }
  .home-footer-golden-r3__cta h2 { font-size: clamp(40px, 6.6vw, 64px) !important; }
  .home-footer-golden-r3__summary { margin: 18px 0 22px !important; }
  .home-footer-golden-r3__signature { min-height: 112px; padding-block: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  .home-footer-golden-r3__cta h2,
  .home-footer-golden-r3__signature::before,
  .home-footer-golden-r3__signature-light,
  .home-footer-golden-r3__signature-text {
    animation: none !important;
    will-change: auto !important;
  }
  .home-footer-golden-r3__cta h2 { filter: none !important; text-shadow: none !important; }
  .home-footer-golden-r3__signature::after { display: none !important; }
  .home-footer-golden-r3__signature-text { filter: none !important; background-position: 48% 50%; }
}

@media (forced-colors: active) {
  .home-footer-golden-r3 {
    background: Canvas !important;
    color: CanvasText !important;
    border-color: CanvasText !important;
  }
  .home-footer-golden-r3__signature { border-color: CanvasText !important; }
  .home-footer-golden-r3__signature-text {
    background: none !important;
    color: CanvasText !important;
    -webkit-text-fill-color: CanvasText !important;
    filter: none !important;
  }
  .home-footer-golden-r3__cta h2,
  .home-footer-golden-r3__eyebrow,
  .home-footer-golden-r3__group h3,
  .home-footer-golden-r3__group a,
  .home-footer-golden-r3__locale a,
  .home-footer-golden-r3__copyright { color: CanvasText !important; }
}