.signal-vault-v3-shell {
  --sv3-black: #030404;
  --sv3-panel: rgba(4, 5, 6, 0.58);
  --sv3-panel-strong: rgba(4, 5, 6, 0.74);
  --sv3-line: rgba(255, 255, 255, 0.16);
  --sv3-text: #fff7ef;
  --sv3-muted: rgba(255, 247, 239, 0.76);
  --sv3-red: #ff3030;
  --sv3-red-dark: #aa0208;
  background: var(--sv3-black);
  color: var(--sv3-text);
}

.signal-vault-v3-shell .sv3-header {
  background: rgba(2, 3, 3, 0.82);
  border-bottom-color: rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(18px);
}

.sv3-main {
  position: relative;
  isolation: isolate;
  overflow: clip;
}

.sv3-video-stage,
.sv3-screen-shade {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.sv3-video-stage {
  z-index: -3;
  background:
    radial-gradient(circle at 50% 46%, rgba(255, 48, 48, 0.14), transparent 34%),
    #030404;
}

.sv3-scroll-video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
  opacity: 0;
  transform: scale(1.004);
  transition: opacity 420ms ease;
}

.sv3-video-ready .sv3-scroll-video {
  opacity: 1;
}

.sv3-screen-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(2, 3, 3, 0.72) 0%, rgba(2, 3, 3, 0.24) 24%, rgba(2, 3, 3, 0.12) 50%, rgba(2, 3, 3, 0.24) 76%, rgba(2, 3, 3, 0.72) 100%),
    linear-gradient(180deg, rgba(2, 3, 3, 0.72) 0%, rgba(2, 3, 3, 0.14) 28%, rgba(2, 3, 3, 0.12) 62%, rgba(2, 3, 3, 0.7) 100%);
}

.sv3-section {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  padding: clamp(88px, 12svh, 132px) clamp(22px, 5vw, 72px);
}

.sv3-hero {
  display: grid;
  align-items: center;
}

.sv3-copy,
.sv3-side-card,
.sv3-portal-card {
  text-shadow: 0 14px 38px rgba(0, 0, 0, 0.82);
}

.sv3-hero-copy {
  width: min(720px, 52vw);
  margin-left: clamp(0px, 4vw, 54px);
  padding-top: clamp(18px, 5svh, 56px);
}

.sv3-label {
  margin: 0;
  color: var(--sv3-red);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  line-height: 1.3;
  text-transform: uppercase;
}

.sv3-hero h1,
.sv3-side-card h2,
.sv3-portal-heading h2,
.sv3-portal-card h3 {
  margin: 16px 0 0;
  color: var(--sv3-text);
  font-weight: 940;
  letter-spacing: 0;
  text-transform: uppercase;
}

.sv3-hero h1 {
  max-width: 780px;
  font-size: clamp(4.2rem, 7.2vw, 7.7rem);
  line-height: 0.9;
}

.sv3-hero h1 span {
  display: block;
}

.sv3-copy p:not(.sv3-label),
.sv3-side-card p:not(.sv3-label),
.sv3-portal-card p:not(.sv3-label) {
  color: var(--sv3-muted);
  font-size: clamp(1.02rem, 1.25vw, 1.24rem);
  line-height: 1.58;
}

.sv3-copy p:not(.sv3-label) {
  max-width: 660px;
}

.sv3-actions,
.sv3-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.sv3-button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 22px;
  color: var(--sv3-text);
  font-size: 0.87rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.sv3-button:hover {
  color: var(--sv3-text);
  transform: translateY(-1px);
}

.sv3-button-primary {
  border: 1px solid rgba(255, 80, 80, 0.24);
  background: linear-gradient(135deg, #ff3838, var(--sv3-red-dark));
  box-shadow: 0 18px 52px rgba(255, 48, 48, 0.24);
}

.sv3-button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.19);
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(16px);
}

.sv3-pill-row span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 0 13px;
  background: rgba(0, 0, 0, 0.34);
  color: rgba(255, 247, 239, 0.76);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}

.sv3-split {
  display: grid;
  grid-template-columns: minmax(320px, 420px) 1fr minmax(320px, 420px);
  align-items: center;
  gap: clamp(22px, 4vw, 56px);
}

.sv3-side-card {
  width: min(100%, clamp(320px, 24vw, 420px));
  border: 1px solid var(--sv3-line);
  border-radius: 18px;
  padding: clamp(22px, 3vw, 34px);
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.025)),
    var(--sv3-panel);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.44);
  backdrop-filter: blur(20px);
}

.sv3-side-card-left {
  grid-column: 1;
  justify-self: start;
}

.sv3-side-card-right {
  grid-column: 3;
  justify-self: end;
}

.sv3-side-card h2 {
  max-width: 100%;
  font-size: clamp(2rem, 2.45vw, 2.78rem);
  line-height: 0.95;
  overflow-wrap: break-word;
}

.sv3-inline-link {
  display: inline-flex;
  margin-top: 8px;
  color: var(--sv3-text);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sv3-inline-link::after {
  content: "->";
  margin-left: 8px;
  color: var(--sv3-red);
}

.sv3-portal-section {
  min-height: 100svh;
  padding: 0;
}

.sv3-portal-heading {
  position: absolute;
  top: clamp(94px, 13svh, 132px);
  left: 50%;
  width: min(520px, calc(100vw - 44px));
  transform: translateX(-50%);
  text-align: center;
}

.sv3-portal-heading h2 {
  font-size: clamp(2.9rem, 5.4vw, 5.9rem);
  line-height: 0.9;
}

.sv3-portal-card {
  position: absolute;
  box-sizing: border-box;
  top: var(--sv3-portal-y, 48svh);
  width: var(--sv3-portal-card-size, clamp(252px, 21vw, 390px));
  height: var(--sv3-portal-card-size, clamp(252px, 21vw, 390px));
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  padding: clamp(22px, 2.3vw, 34px);
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 48, 48, 0.13), transparent 60%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.018)),
    rgba(2, 3, 3, 0.48);
  box-shadow:
    inset 0 0 42px rgba(255, 48, 48, 0.1),
    0 28px 92px rgba(0, 0, 0, 0.48);
  text-align: center;
  backdrop-filter: blur(18px);
}

.sv3-portal-card-artist {
  left: var(--sv3-portal-artist-x, 28.3vw);
  transform: translate(-43%, -68%);
}

.sv3-portal-card-collector {
  left: var(--sv3-portal-collector-x, 71.7vw);
  transform: translate(-57%, -68%);
}

.sv3-portal-card h3 {
  margin-top: 10px;
  font-size: clamp(1.9rem, 2.55vw, 2.85rem);
  line-height: 0.9;
}

.sv3-portal-card p:not(.sv3-label) {
  max-width: 230px;
  margin: 12px auto 0;
  font-size: clamp(0.86rem, 1.05vw, 0.98rem);
  line-height: 1.42;
}

.sv3-portal-card .sv3-button {
  min-height: 42px;
  margin-top: 16px;
  padding: 0 17px;
  font-size: 0.72rem;
}

.sv3-footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(2, 3, 3, 0.9);
  color: rgba(255, 247, 239, 0.76);
  backdrop-filter: blur(18px);
}

.sv3-footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  padding-block: 28px;
}

.sv3-footer p {
  max-width: 520px;
  margin: 10px 0 0;
  color: rgba(255, 247, 239, 0.72);
  font-size: 0.94rem;
  line-height: 1.55;
}

.sv3-footer .operator-line:empty {
  display: none;
}

.sv3-footer a {
  color: var(--sv3-text);
}

.sv3-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 18px;
  align-content: start;
}

.sv3-footer-links a {
  color: rgba(255, 247, 239, 0.78);
  font-size: 0.82rem;
  font-weight: 800;
}

@media (min-width: 1500px) {
  .sv3-hero-copy {
    width: min(680px, 38vw);
    margin-left: clamp(34px, 8vw, 132px);
  }
}

@media (max-width: 1020px) {
  .sv3-hero-copy {
    width: min(680px, 72vw);
    margin-left: 0;
  }

  .sv3-hero h1 {
    font-size: clamp(3.4rem, 10vw, 6rem);
  }

  .sv3-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-content: center;
  }

  .sv3-side-card-left {
    grid-column: 1;
  }

  .sv3-side-card-right {
    grid-column: 2;
  }

}

@media (max-width: 760px) {
  .signal-vault-v3-shell .public-nav {
    align-items: start;
  }

  .signal-vault-v3-shell .nav-links {
    justify-content: flex-start;
  }

  .sv3-main {
    min-height: auto;
  }

  .sv3-scroll-video {
    object-position: center center;
  }

  .sv3-screen-shade {
    background:
      linear-gradient(90deg, rgba(2, 3, 3, 0.72), rgba(2, 3, 3, 0.18) 50%, rgba(2, 3, 3, 0.72)),
      linear-gradient(180deg, rgba(2, 3, 3, 0.82), rgba(2, 3, 3, 0.18) 36%, rgba(2, 3, 3, 0.8));
  }

  .sv3-section {
    min-height: 100svh;
    padding: 112px 20px 58px;
  }

  .sv3-hero {
    align-items: start;
  }

  .sv3-hero-copy {
    width: min(100%, 520px);
    padding-top: 14px;
  }

  .sv3-hero h1 {
    font-size: clamp(3rem, 17vw, 4.9rem);
  }

  .sv3-copy p:not(.sv3-label) {
    max-width: 430px;
  }

  .sv3-actions {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 360px;
  }

  .sv3-pill-row {
    max-width: 360px;
  }

  .sv3-split {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 18px;
  }

  .sv3-side-card,
  .sv3-side-card-left,
  .sv3-side-card-right {
    grid-column: 1;
    justify-self: stretch;
    width: min(100%, 430px);
  }

  .sv3-side-card-right {
    justify-self: end;
  }

  .sv3-portal-section {
    min-height: 115svh;
    padding: 122px 20px 56px;
    display: grid;
    align-content: end;
    gap: 18px;
  }

  .sv3-portal-heading,
  .sv3-portal-card,
  .sv3-portal-card-artist,
  .sv3-portal-card-collector {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
  }

  .sv3-portal-heading {
    width: min(100%, 420px);
    margin: 0 0 auto;
    text-align: left;
  }

  .sv3-portal-card {
    width: min(100%, 360px);
    height: auto;
    aspect-ratio: auto;
    border-radius: 22px;
    padding: 24px;
  }

  .sv3-portal-card-artist {
    justify-self: start;
  }

  .sv3-portal-card-collector {
    justify-self: end;
  }

  .sv3-footer-grid {
    grid-template-columns: 1fr;
  }

  .sv3-footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sv3-scroll-video {
    display: none;
  }

  .sv3-button,
  .sv3-scroll-video {
    transition: none;
  }
}