.intro-animated-gradient__root {
    padding-top: clamp(4rem, 12vw, 10rem);
    padding-bottom: clamp(4rem, 12vw, 10rem);
    min-height: min(32rem, 85vh);
}

@keyframes intro-animated-gradient-spin {
    to {
        transform: rotate(360deg);
    }
}

.intro-animated-gradient__spin--left,
.intro-animated-gradient__spin--right {
    width: 85%;
    height: 85%;
    top: 7.5%;
    animation-name: intro-animated-gradient-spin;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    transform-origin: 50% 50%;
}

.intro-animated-gradient__spin--left {
    left: -18%;
    animation-duration: 48s;
}

.intro-animated-gradient__spin--right {
    right: -18%;
    animation-duration: 60s;
    animation-direction: reverse;
}

.intro-animated-gradient__area {
    max-width: 48rem;
}

/* sticky intro + hover CTA / links */
.services__intro {
  align-self: flex-start;
}

@media (min-width: 992px) {
  .services__intro {
    position: sticky;
    top: 6rem;
    z-index: 2;
  }
}

.services__hero-cta--lift {
  transition: filter 0.2s ease, transform 0.2s ease;
}

.services__hero-cta--lift:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.services__link--lift {
  transition: filter 0.2s ease;
}

.services__link--lift:hover {
  filter: brightness(1.12);
}

/* v21 editorial — vertical sidebar title */
.perks-editorial-aside__sidebar {
    width: 3rem;
    flex-shrink: 0;
}

.perks-editorial-aside__title-wrap {
    position: sticky;
    top: 6rem;
    height: calc(100vh - 8rem);
    max-height: 32rem;
}

.perks-editorial-aside__h2 {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
    white-space: nowrap;
}

.perks-editorial-aside__rule {
    min-height: 2rem;
    flex: 1 1 auto;
    width: 1px;
}

/* numbered item — prevent selection */
.perks-editorial-aside__num {
    user-select: none;
    -webkit-user-select: none;
    min-width: 3.5rem;
}

/* mobile: stack layout, show h2 horizontally */
@media (max-width: 767px) {
    .perks-editorial-aside__sidebar {
        width: 100%;
    }

    .perks-editorial-aside__title-wrap {
        position: static;
        height: auto;
        flex-direction: row !important;
        align-items: center;
        justify-content: flex-start;
    }

    .perks-editorial-aside__h2 {
        writing-mode: horizontal-tb;
        transform: none;
        white-space: normal;
    }

    .perks-editorial-aside__rule {
        display: none;
    }
}


.invite-boost__section {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

@keyframes invite-boost-flare-throb-cycle {
    0%, 100% { opacity: 1; }
    50%       { opacity: .5; }
}
.invite-boost__flare--throb {
    animation: invite-boost-flare-throb-cycle 2s cubic-bezier(.4,0,.6,1) infinite;
}

@keyframes invite-boost-flare-rebound-cycle {
    0%, 100% { transform: translateY(0); animation-timing-function: cubic-bezier(.8,0,1,1); }
    50%       { transform: translateY(-25%); animation-timing-function: cubic-bezier(0,0,.2,1); }
}
.invite-boost__flare--rebound {
    animation: invite-boost-flare-rebound-cycle 1s infinite;
}

@keyframes invite-boost-flare-ping-cycle {
    75%, 100% { transform: scale(2); opacity: 0; }
}
.invite-boost__flare--ping {
    animation: invite-boost-flare-ping-cycle 1s cubic-bezier(0,0,.2,1) infinite;
}

@keyframes invite-boost-stroke-throb-cycle {
    0%, 100% { opacity: 1; }
    50%       { opacity: .5; }
}
.invite-boost__stroke--throb {
    animation: invite-boost-stroke-throb-cycle 2s cubic-bezier(.4,0,.6,1) infinite;
}

.invite-boost__layer--lift:hover { transform: scale(1.05); transition: transform .2s ease; }

.invite-boost__flare--lift:hover { transform: scale(1.25); transition: transform .2s ease; }

.invite-boost__action--lift:hover { transform: scale(1.05); transition: transform .2s ease; }