/* 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; }
}

/* content stack rows — animated icon tiles (TW w-20 h-20 has no BS util) */
.content-stack-rows__icon-tile {
    width: 5rem;
    height: 5rem;
}

.content-stack-rows__icon-pulse {
    animation: content-stack-rows-pulse 3.5s ease-in-out infinite;
}

.content-stack-rows__icon-tile {
    animation: content-stack-rows-float 6s ease-in-out infinite;
}

.content-stack-rows__icon-glyph {
    animation: content-stack-rows-tilt 5s ease-in-out infinite;
    transform-origin: center;
}

.content-stack-rows__icon-slot--0 .content-stack-rows__icon-pulse {
    animation-delay: 0s;
}

.content-stack-rows__icon-slot--0 .content-stack-rows__icon-tile {
    animation-delay: 0s;
}

.content-stack-rows__icon-slot--0 .content-stack-rows__icon-glyph {
    animation-delay: 0.2s;
}

.content-stack-rows__icon-slot--1 .content-stack-rows__icon-pulse {
    animation-delay: 0.8s;
}

.content-stack-rows__icon-slot--1 .content-stack-rows__icon-tile {
    animation-delay: 0.8s;
}

.content-stack-rows__icon-slot--1 .content-stack-rows__icon-glyph {
    animation-delay: 1s;
}

.content-stack-rows__icon-slot--2 .content-stack-rows__icon-pulse {
    animation-delay: 1.6s;
}

.content-stack-rows__icon-slot--2 .content-stack-rows__icon-tile {
    animation-delay: 1.6s;
}

.content-stack-rows__icon-slot--2 .content-stack-rows__icon-glyph {
    animation-delay: 1.8s;
}

@keyframes content-stack-rows-float {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-0.35rem);
    }
}

@keyframes content-stack-rows-pulse {
    0%,
    100% {
        transform: scale(1);
        opacity: 0.55;
    }

    50% {
        transform: scale(1.14);
        opacity: 0.2;
    }
}

@keyframes content-stack-rows-tilt {
    0%,
    100% {
        transform: rotate(0deg) scale(1);
    }

    50% {
        transform: rotate(-6deg) scale(1.06);
    }
}

@media (prefers-reduced-motion: reduce) {
    .content-stack-rows__icon-pulse,
    .content-stack-rows__icon-tile,
    .content-stack-rows__icon-glyph {
        animation: none;
    }
}

/* glossary gazette — multi-column flow (not CSS grid), brick avoid breaks, footnote icon */
.glossary-gazette__columns {
    column-count: 1;
    column-gap: 1.25rem;
}

@media (min-width: 768px) {
    .glossary-gazette__columns {
        column-count: 2;
        column-gap: 1.5rem;
    }
}

@media (min-width: 1200px) {
    .glossary-gazette__columns {
        column-count: 3;
    }
}

.glossary-gazette__brick {
    break-inside: avoid;
    margin-bottom: 1rem;
}

.glossary-gazette__note-ico {
    width: 3.25rem;
    height: 3.25rem;
}

.glossary-gazette__note-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.tips-cards__card {
    max-width: 24rem;
}