.hero-v18-line-a {
    width: 200%;
    transform: rotate(12deg);
    transform-origin: left;
}

.hero-v18-line-b {
    width: 200%;
    transform: rotate(-12deg);
    transform-origin: right;
}

.hero-v18-col-left {
    transform-origin: top left;
}

.hero-v18-dot {
    width: 0.5rem;
    height: 0.5rem;
}

.hero-v18-icon-box {
    width: 2rem;
    height: 2rem;
}

.hero-v18-col-right {
    transform-origin: top right;
}

.hero-v18-decor-tr {
    top: -1rem;
    right: -1rem;
    width: 6rem;
    height: 6rem;
}

.hero-v18-decor-bl {
    bottom: -1rem;
    left: -1rem;
    width: 5rem;
    height: 5rem;
}

/* -- Button hover states -- */
.hero-btn-primary {
    transition: filter 0.2s ease, transform 0.15s ease;
}
.hero-btn-primary:hover,
.hero-btn-primary:focus {
    filter: brightness(1.12);
    transform: translateY(-1px);
}

.hero-btn-outline-secondary {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.hero-btn-outline-secondary:hover,
.hero-btn-outline-secondary:focus {
    background-color: var(--bs-secondary) !important;
    color: #fff !important;
    border-color: var(--bs-secondary) !important;
    transform: translateY(-1px);
}

.hero-btn-outline-primary-light {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.hero-btn-outline-primary-light:hover,
.hero-btn-outline-primary-light:focus {
    background-color: var(--bs-primary) !important;
    color: #fff !important;
    border-color: var(--bs-primary) !important;
    transform: translateY(-1px);
}

.narrative-chapter__title-trail { margin-bottom: 2rem; }

.narrative-chapter__shell-section-pad {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

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

/* steps — relay grid: hairline frame with corner nodes */
.relay-grid__eyebrow {
    letter-spacing: 0.12em;
}

.relay-grid__title {
    letter-spacing: -0.02em;
}

/* node dots sit centred on each 1px corner; colour comes from the Tailwind/BS text class on the node layer */
.relay-grid__nodes::before,
.relay-grid__nodes::after,
.relay-grid__nodes-bottom::before,
.relay-grid__nodes-bottom::after {
    content: "";
    position: absolute;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 9999px;
    background-color: currentColor;
}

.relay-grid__nodes::before {
    top: -4.5px;
    left: -4.5px;
}

.relay-grid__nodes::after {
    top: -4.5px;
    right: -4.5px;
}

.relay-grid__nodes-bottom::before {
    bottom: -4.5px;
    left: -4.5px;
}

.relay-grid__nodes-bottom::after {
    bottom: -4.5px;
    right: -4.5px;
}

.relay-grid__icon {
    width: 3.5rem;
    height: 3.5rem;
}

.relay-grid__text {
    max-width: 22rem;
}

/* Bootstrap: grid + gap (row gutters often collapse) */
.tips-detailed__bs-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
}

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

.tips-detailed__subtitle-max {
    max-width: 42rem;
}

.tips-detailed__thumb {
    width: 3rem;
    height: 3rem;
}

.tips-detailed__cta-thumb {
    width: 2rem;
    height: 2rem;
}

.tips-detailed__min-shrink {
    min-width: 0;
}

/* FAQ v18 — accordion mechanics */
.faq-accordion-panel {
    max-height: 0;
}

.faq-accordion-icon.solver-hints-symbol-reveal {
    transform: rotate(180deg);
}

/* cta particles card — animated dot field */
.cta-particles-card__root {
  position: relative;
  overflow: hidden;
}

.cta-particles-card__particles {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image: radial-gradient(circle, var(--tw-primary-500, var(--bs-primary)) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: cta-particles-card__drift 20s linear infinite;
}

@keyframes cta-particles-card__drift {
  from { transform: translateY(0); }
  to { transform: translateY(100px); }
}