/* Blocks: section headings, topic cards, skills, breadcrumbs, newsletter sign-up. */

.heading {
  max-width: 44rem;
  margin-bottom: clamp(1.75rem, 1.25rem + 2vw, 3rem);
}

.heading__title {
  font-size: var(--fs-h2);
}

.heading__text {
  margin-top: 0.875rem;
  color: var(--navy-soft);
  font-size: var(--fs-lead);
}

.heading--light .heading__title {
  color: var(--white);
}

/* ---------- Topic card ---------- */

.topic {
  position: relative;
  display: grid;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-s);
  transition:
    transform var(--ease),
    box-shadow var(--ease);
}

.topic:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.topic__media {
  background: var(--mist);
}

.topic__img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.topic__body {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.25rem 1.375rem 1.5rem;
}

.topic__meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--navy-soft);
  font-family: var(--ff-head);
  font-size: var(--fs-tiny);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.topic__no {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  letter-spacing: 0;
}

.topic__title {
  font-size: var(--fs-h3);
}

.topic__link {
  text-decoration: none;
}

/* The whole card is clickable through the title link. */
.topic__link::after {
  position: absolute;
  inset: 0;
  content: "";
}

.topic__link:focus-visible {
  outline: none;
}

.topic:has(.topic__link:focus-visible) {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.topic__excerpt {
  color: var(--navy-soft);
  font-size: var(--fs-small);
}

.topic__more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 0.4rem;
  color: var(--accent-deep);
  font-family: var(--ff-head);
  font-size: var(--fs-small);
  font-weight: 700;
}

.topic:hover .arrow {
  transform: translateX(3px);
}

.topic .arrow {
  transition: transform var(--ease);
}

@media (min-width: 48em) {
  .topic--wide {
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
  }

  .topic--wide .topic__img {
    height: 100%;
  }

  .topic--wide .topic__body {
    padding: 2rem 2.25rem;
  }

  .topic--wide .topic__title {
    font-size: var(--fs-h2);
  }

  .topic--row {
    grid-template-columns: 14rem 1fr;
  }

  .topic--row .topic__img {
    height: 100%;
  }
}

/* ---------- Skills ---------- */

.skill {
  position: relative;
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-s);
}

.skill__icon {
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: 1rem;
}

.skill__title {
  margin-bottom: 0.4rem;
  font-size: var(--fs-h3);
}

.skill__link {
  text-decoration: none;
}

.skill__link::after {
  position: absolute;
  inset: 0;
  content: "";
}

.skill__link:hover {
  color: var(--accent-deep);
}

.skill__text {
  color: var(--navy-soft);
  font-size: var(--fs-small);
}

/* ---------- Breadcrumbs ---------- */

.crumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
  list-style: none;
  color: var(--on-dark-soft);
  font-size: var(--fs-small);
}

.crumbs__item + .crumbs__item::before {
  margin-right: 0.4rem;
  content: "/";
}

.crumbs__link {
  color: var(--white);
}

/* ---------- Newsletter sign-up ---------- */

.signup {
  display: grid;
  gap: 1.75rem;
  padding: clamp(1.5rem, 1rem + 2.5vw, 3rem);
  border-radius: var(--radius-l);
}

.signup--main {
  background: var(--navy);
  color: var(--on-dark);
}

.signup--compact {
  background: var(--white);
  box-shadow: var(--shadow-s);
}

.signup__title {
  font-size: var(--fs-h2);
}

.signup--main .signup__title {
  color: var(--white);
}

.signup__text {
  margin-top: 0.75rem;
  font-size: var(--fs-lead);
}

.signup--main .signup__text {
  color: var(--on-dark-soft);
}

.signup--compact .signup__text {
  color: var(--navy-soft);
}

.signup__label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.signup__row {
  display: grid;
  gap: 0.75rem;
}

.signup__input {
  width: 100%;
  min-height: 3.25rem;
  padding: 0.75rem 1.25rem;
  border: 2px solid var(--mist-line);
  border-radius: 999px;
  background: var(--white);
  color: var(--navy);
}

.signup__input:focus {
  border-color: var(--blue);
  outline: none;
  box-shadow: 0 0 0 4px rgba(75, 140, 168, 0.3);
}

.signup__input[aria-invalid="true"] {
  border-color: var(--danger);
}

.signup__consent {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 0.75rem;
  margin-top: 1rem;
  font-size: var(--fs-small);
  line-height: 1.5;
}

.signup__check {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0.1rem 0 0;
  accent-color: var(--accent);
}

.signup__check[aria-invalid="true"] {
  outline: 2px solid var(--danger);
  outline-offset: 2px;
}

.signup__required {
  margin-left: 0.2rem;
  color: var(--accent);
}

.signup__link {
  color: inherit;
  font-weight: 600;
  text-underline-offset: 3px;
}

.signup--main .signup__link {
  color: var(--gold);
}

.signup__status:not(:empty) {
  display: grid;
  gap: 0.15rem;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-s);
  background: var(--white);
  color: var(--navy);
  font-size: var(--fs-small);
}

.signup__status--error {
  border-left: 5px solid var(--danger);
}

.signup__status--success {
  border-left: 5px solid var(--success);
}

.signup__status-title {
  font-family: var(--ff-head);
}

.signup__note {
  margin-top: 1rem;
  font-size: var(--fs-tiny);
  opacity: 0.85;
}

@media (min-width: 40em) {
  .signup__row {
    grid-template-columns: 1fr auto;
  }
}

@media (min-width: 64em) {
  .signup {
    grid-template-columns: 1fr 1.1fr;
    align-items: center;
    gap: 3rem;
  }
}