/* intro v17 — Death Note noir: circuit band, pulse rings, extrude text, duotone media, scroll slide-in */

/* Circuit-board traces — colour via Tailwind text-* on the band, currentColor in the pattern */
.intro-noir__circuit {
    background-image:
        repeating-linear-gradient(0deg, currentColor 0 1px, transparent 1px 32px),
        repeating-linear-gradient(90deg, currentColor 0 1px, transparent 1px 32px);
    opacity: 0.18;
    -webkit-mask: linear-gradient(180deg, black, transparent);
    mask: linear-gradient(180deg, black, transparent);
}

/* Pulse rings from the band centre (size + placement so Bootstrap has no utility gap) */
.intro-noir__ring {
    width: 6rem;
    height: 6rem;
    top: 6rem;
    left: 50%;
    margin-left: -3rem;
    opacity: 0;
    animation: intro-noir-pulse 3.4s ease-out infinite;
}
.intro-noir__ring--2 { animation-delay: 1.7s; }

@keyframes intro-noir-pulse {
    0%   { transform: scale(0.4); opacity: 0.55; }
    100% { transform: scale(3.4); opacity: 0; }
}

/* Emboss seal circle */
.intro-noir__seal {
    width: 7rem;
    height: 7rem;
    font-size: 0.75rem;
    line-height: 1.1;
    padding: 0.75rem;
    transform: rotate(-8deg);
}

/* Extrude — stacked text-shadow depth using the element's own colour */
.intro-noir__extrude {
    text-shadow: 1px 1px 0 currentColor, 2px 2px 0 currentColor, 3px 3px 0 currentColor;
}

/* Duotone media: grayscale image + primary multiply tint (colour is a Tailwind class) */
.intro-noir__img {
    height: 10rem;
    object-fit: cover;
    filter: grayscale(1) contrast(1.05);
}

/* Sticky aside offset (Bootstrap position-sticky has no top-16 utility) */
@media (min-width: 992px) {
    .intro-noir__aside { top: 4rem; }
}
.intro-noir__tint {
    mix-blend-mode: multiply;
    opacity: 0.5;
}

/* Letter-spacing widen on hover */
.intro-noir__ttl { transition: letter-spacing 260ms ease; }
[data-card]:hover .intro-noir__ttl { letter-spacing: 0.08em; }

/* Slide-in entrance — pure CSS on the reliable [data-card] attribute; always ends visible */
@keyframes intro-noir-rise {
    from { opacity: 0; transform: translateY(2rem); }
    to   { opacity: 1; transform: translateY(0); }
}
.intro-noir [data-card] { animation: intro-noir-rise 560ms ease both; }

@media (prefers-reduced-motion: reduce) {
    .intro-noir__ring { animation: none; }
    .intro-noir [data-card] { animation: none; }
}


.content-flex-min {
    min-width: 0;
}

.folio-bodycopy__picture--glow:hover { transform: scale(1.05); transition: transform .2s ease; }

.content-grid-gap {
    gap: 2rem;
}

.content-wide-frame {
    max-width: 72rem;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.content-heading-gap {
    margin-bottom: 2rem;
}

.content-large-height {
    display: block;
    width: 100%;
    height: 20rem;
    min-height: 20rem;
    flex-shrink: 0;
    object-fit: cover;
}

.content-hero-height {
    display: block;
    width: 100%;
    height: 24rem;
    min-height: 24rem;
    flex-shrink: 0;
    object-fit: cover;
}

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

.tips-numbered__thumb {
    width: 4rem;
    height: 4rem;
}

/* glossary wire — row nudge on hover */
.glossary-wire__row {
    transition: transform 0.18s ease;
}

.glossary-wire__row:hover {
    transform: translateX(3px);
}

.spotlight-feature-column__hero {
  min-height: 480px;
  flex: 3 1 0;
}

.spotlight-feature-column__rail {
  flex: 2 1 0;
}

.spotlight-feature-column__ornament {
  width: 2rem;
}

.spotlight-feature-column__cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.spotlight-feature-column__hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


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

@keyframes conversion-boost-highlight-throb-track {
    0%, 100% { opacity: 1; }
    50%       { opacity: .5; }
}
.conversion-boost__highlight--throb {
    animation: conversion-boost-highlight-throb-track 2s cubic-bezier(.4,0,.6,1) infinite;
}

.conversion-boost__jump--rise:hover { transform: scale(1.05); transition: transform .2s ease; }