/* ==========================================================================
   Kontakt — dark, one large question, one large action, three lines of detail
   ========================================================================== */

.contact {
  --gap: clamp(0.75rem, 1.4vw, 1.25rem);
  position: relative;
  z-index: 1;
  background: var(--c-ink-800);
  color: var(--c-paper);
}

.contact__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--section-pt) var(--gutter) var(--section-pb);
}

/* --------------------------------------------------------------------------
   Question
   -------------------------------------------------------------------------- */
.contact__top {
  display: grid;
  row-gap: clamp(1.1rem, 2vw, 1.75rem);
}

.contact__title {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(3rem, 0.9rem + 8.2vw, 9.25rem);
  line-height: 0.95;
  letter-spacing: -0.032em;
  text-wrap: balance;
}

.contact__title em {
  font-style: italic;
  letter-spacing: -0.022em;
  color: var(--c-oak);
}

/* --------------------------------------------------------------------------
   Action: the call to action and one supporting sentence
   -------------------------------------------------------------------------- */
.contact__action {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  row-gap: 1.25rem;
  align-items: end;
  margin-top: clamp(2.25rem, 4.5vw, 4rem);
}

.contact__cta {
  grid-column: 1 / 9;
  justify-self: start;
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 0.3em;
  padding-bottom: 0.18em;
  font-family: var(--f-serif);
  font-size: clamp(2.6rem, 1rem + 5.6vw, 6.5rem);
  line-height: 1;
  letter-spacing: -0.026em;
  color: var(--c-paper);
}

.contact__cta svg {
  width: 0.5em;
  height: 0.5em;
  flex: none;
  align-self: center;
  color: var(--c-oak);
  transition: transform 0.7s var(--ease-out);
}

/* a hairline always underlines the link; on hover/focus it is overdrawn in oak */
.contact__cta::before,
.contact__cta::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
}

.contact__cta::before {
  background: var(--c-line-strong);
}

.contact__cta::after {
  height: 2px;
  background: var(--c-oak);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease-out);
}

.contact__cta:hover::after,
.contact__cta:focus-visible::after {
  transform: scaleX(1);
}

.contact__cta:hover svg,
.contact__cta:focus-visible svg {
  transform: translate(0.12em, -0.12em);
}

.contact__cta:focus-visible {
  outline: 2px solid var(--c-oak);
  outline-offset: 0.35em;
}

.contact__lead {
  grid-column: 9 / -1;
  max-width: 24rem;
  padding-bottom: 0.5rem;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: rgb(242 238 230 / 0.78);
}

/* --------------------------------------------------------------------------
   Details
   -------------------------------------------------------------------------- */
.contact__details {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  margin: clamp(3.25rem, 7vw, 6.5rem) 0 0;
  padding-top: clamp(1.25rem, 2.2vw, 1.75rem);
  border-top: 1px solid var(--c-line);
}

.contact__details > div {
  grid-column: span 4;
}

.contact__details dt {
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-oak);
}

.contact__details dd {
  margin: 0;
  font-size: clamp(1.1rem, 1rem + 0.35vw, 1.3rem);
  line-height: 1.4;
  color: var(--c-paper);
}

.contact__details a {
  position: relative;
  display: inline-block;
  padding-block: 0.45rem;
  margin-block: -0.45rem; /* big tap target without shifting the baseline */
  transition: color var(--dur-base) var(--ease-out);
}

.contact__details a::after {
  content: "";
  position: absolute;
  inset: auto 0 0.1rem 0;
  height: 1px;
  background: currentColor;
  opacity: 0.3;
  transition: opacity var(--dur-base) var(--ease-out);
}

.contact__details a:hover,
.contact__details a:focus-visible {
  color: var(--c-oak);
}

.contact__details a:hover::after,
.contact__details a:focus-visible::after {
  opacity: 1;
}

.contact :focus-visible {
  outline-color: var(--c-oak);
}

/* --------------------------------------------------------------------------
   Reveal (slow; the "is-in" class is set by js/projects.js)
   -------------------------------------------------------------------------- */
.js .contact__top > *,
.js .contact__action > *,
.js .contact__details > div {
  opacity: 0;
  transform: translateY(0.75rem);
}

.js .contact__top.is-in > *,
.js .contact__action.is-in > *,
.js .contact__details.is-in > div {
  opacity: 1;
  transform: none;
  transition:
    opacity 1.2s var(--ease-out),
    transform 1.4s var(--ease-out);
}

.js .contact__top.is-in > :nth-child(2),
.js .contact__action.is-in > :nth-child(1) {
  transition-delay: 0.1s;
}

.js .contact__action.is-in > :nth-child(2),
.js .contact__details.is-in > :nth-child(2) {
  transition-delay: 0.22s;
}

.js .contact__details.is-in > :nth-child(3) {
  transition-delay: 0.34s;
}

/* --------------------------------------------------------------------------
   Tablet / mobile
   -------------------------------------------------------------------------- */
@media (max-width: 959.98px) {
  .contact__action {
    grid-template-columns: 1fr;
  }

  .contact__cta,
  .contact__lead {
    grid-column: 1;
  }

  .contact__lead {
    padding-bottom: 0;
  }
}

@media (max-width: 759.98px) {
  .contact__cta {
    justify-self: stretch;
    justify-content: space-between;
    align-items: center;
    padding-block: 0.3em 0.34em;
  }

  .contact__cta svg {
    width: 0.62em;
    height: 0.62em;
  }

  .contact__details {
    grid-template-columns: 1fr;
    row-gap: 1.25rem;
    margin-top: 2.75rem;
  }

  .contact__details > div {
    grid-column: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .js .contact__top > *,
  .js .contact__action > *,
  .js .contact__details > div {
    transform: none;
  }

  .js .contact__top.is-in > *,
  .js .contact__action.is-in > *,
  .js .contact__details.is-in > div {
    transition-duration: 0.4s;
    transition-delay: 0s;
  }

  .contact__cta::after,
  .contact__cta svg {
    transition-duration: 0.01ms;
  }
}