/* intro v22 — Lavazza brutalist: blueprint grid, aurora sweep, outlined heading, progressive stagger */

/* Blueprint engineering-paper grid (colour from Tailwind text-*, lines via currentColor) */
.intro-blue__grid {
    background-image:
        repeating-linear-gradient(0deg, currentColor 0 1px, transparent 1px 28px),
        repeating-linear-gradient(90deg, currentColor 0 1px, transparent 1px 28px);
    opacity: 0.16;
}

/* Aurora wave sweep horizontal */
.intro-blue__aurora {
    background-size: 200% 100%;
    opacity: 0.3;
    animation: intro-blue-aurora 7s ease-in-out infinite;
}
@keyframes intro-blue-aurora {
    0%, 100% { background-position: 0% 0%; }
    50%      { background-position: 100% 0%; }
}

/* Text-stroke outlined heading (hollow fill, stroke = the element's Tailwind colour) */
.intro-blue__title {
    -webkit-text-fill-color: transparent;
    -webkit-text-stroke: 2px currentColor;
    text-stroke: 2px currentColor;
    letter-spacing: -0.02em;
}

/* Progressive stagger reveal — pure CSS on the reliable [data-lane-item] attribute; always ends visible */
@keyframes intro-blue-rise {
    from { opacity: 0; transform: translateY(1.5rem); }
    to   { opacity: 1; transform: translateY(0); }
}
.intro-blue [data-lane-item] { animation: intro-blue-rise 500ms ease both; }
.intro-blue [data-lane-item]:nth-child(2) { animation-delay: 120ms; }
.intro-blue [data-lane-item]:nth-child(3) { animation-delay: 240ms; }

@media (prefers-reduced-motion: reduce) {
    .intro-blue__aurora { animation: none; }
    .intro-blue [data-lane-item] { animation: none; }
}

@keyframes perks-ring-progress-pulse-kf {
    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.6;
        transform: scale(1.05);
    }
}

.perks-ring-progress__blob {
    animation: perks-ring-progress-pulse-kf 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.perks-ring-progress__blob--delay {
    animation-delay: 1s;
}

@keyframes perks-ring-progress-spin-kf {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.perks-ring-progress__orbit--a {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 5rem;
    height: 5rem;
    animation: perks-ring-progress-spin-kf 20s linear infinite;
}

.perks-ring-progress__orbit--b {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    width: 4rem;
    height: 4rem;
    animation: perks-ring-progress-spin-kf 15s linear infinite reverse;
}

.perks-ring-progress__blob.perks-ring-progress__blob--a {
    position: absolute;
    width: 16rem;
    height: 16rem;
    top: 25%;
    left: 25%;
    filter: blur(64px);
}

.perks-ring-progress__blob.perks-ring-progress__blob--b {
    position: absolute;
    width: 20rem;
    height: 20rem;
    bottom: 25%;
    right: 25%;
    filter: blur(64px);
}

.perks-ring-progress__thumb {
    width: 4rem;
    height: 4rem;
}

.perks-ring-progress__ring-wrap {
    width: 5rem;
    height: 5rem;
}

.perks-ring-progress__decor-layer {
    transition: opacity 0.5s ease;
}

.perks-ring-progress__accent-line {
    height: 4px;
    transition: opacity 0.5s ease;
}

@media (min-width: 640px) {
    .perks-ring-progress__group:hover .perks-ring-progress__card {
        transform: scale(1.05);
    }

    .perks-ring-progress__group:hover .perks-ring-progress__thumb {
        transform: rotate(12deg);
    }
}

.perks-ring-progress__group:hover .perks-ring-progress__decor-layer {
    opacity: 0.1;
}

.perks-ring-progress__group:hover .perks-ring-progress__accent-line {
    opacity: 1;
}

.expo-meetup__rack {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
    width: 100%;
    max-width: 100%;
}

@media (min-width: 768px) {
    .expo-meetup__rack {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .expo-meetup__rack {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

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