/* Business — problem-led, practical, conversion-focused */

/* Type-led hero */
.biz-hero {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: var(--col-gap);
  align-items: end;
  padding: 64px 0 56px;
}

.biz-hero__title {
  grid-column: 1 / 3;
  font-size: 104px;
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: -0.045em;
}

.biz-hero__aside p {
  font-size: 20px;
  line-height: 28px;
  letter-spacing: -0.005em;
  color: var(--ink-soft);
}

.biz-hero__aside .button { margin-top: 28px; }

.hero--wide { aspect-ratio: 1306 / 570; }

/* Shared block tweaks for this page */
.block--first { margin-top: 0; border-top: 0; }

.block__lede {
  max-width: 640px;
  padding-top: 8px;
  font-size: 22px;
  line-height: 30px;
  letter-spacing: -0.005em;
  color: var(--ink-soft);
}

/* Problem -> answer table */
.fit-table {
  margin-top: 40px;
  list-style: none;
  border-bottom: 1px solid var(--rule);
}

.fit-row {
  display: grid;
  grid-template-columns: 1fr 250px;
  column-gap: 32px;
  align-items: baseline;
  padding: 22px 0 24px;
  border-top: 1px solid var(--rule);
}

.fit-row__problem {
  font-size: 28px;
  line-height: 36px;
  letter-spacing: -0.02em;
}

.fit-row__answer {
  font-family: "Inter", system-ui, sans-serif;
  font-size: 16px;
  font-weight: 600;
  line-height: 22px;
  letter-spacing: 0.009em;
}

.fit-row__answer span {
  display: inline-block;
  margin-right: 6px;
  color: var(--muted);
  font-weight: 400;
  transition: transform .2s ease;
}

.fit-row:hover .fit-row__answer span { transform: translateX(4px); color: var(--ink); }

/* Horizontal timeline — same treatment as the Research "Where findings go" flow:
   one continuous line, a dot per step and an arrowhead at the end */
.timeline {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: var(--col-gap);
  row-gap: 20px;
  margin-top: 64px;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.timeline__step {
  position: relative;
  padding-top: 28px;
}

.timeline__step::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink);
}

.timeline__step:last-child::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 10px solid var(--ink);
  transform: translateY(-6.5px);
}

.timeline__num {
  display: block;
  font-size: 15px;
  line-height: 20px;
  color: var(--muted);
}

.timeline__title {
  margin-top: 6px;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 21px;
  font-weight: 600;
  line-height: 29px;
  letter-spacing: 0.009em;
}

.timeline__text {
  margin-top: 7px;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 16px;
  line-height: 22px;
  letter-spacing: 0.014em;
  color: var(--ink-soft);
}

/* FAQ */
.faq { border-bottom: 1px solid var(--rule); }

.faq details { border-top: 1px solid var(--rule); }

.faq summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  padding: 22px 0;
  font-size: 26px;
  line-height: 32px;
  letter-spacing: -0.015em;
  list-style: none;
  cursor: pointer;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  font-size: 30px;
  font-weight: 300;
  color: var(--muted);
}

.faq details[open] summary::after { content: "−"; }

.faq summary:hover::after { color: var(--ink); }

.faq details p {
  max-width: 620px;
  padding-bottom: 26px;
  font-size: 19px;
  line-height: 27px;
  color: var(--ink-soft);
}

/* Inverse call to action */
.cta-dark {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: var(--col-gap);
  align-items: end;
  margin-top: 101px;
  padding: 72px 56px 64px;
  background: var(--ink);
  color: #fff;
}

.cta-dark__title {
  grid-column: 1 / 3;
  font-size: 60px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.035em;
}

.cta-dark__aside p {
  font-size: 18px;
  line-height: 26px;
  color: #d8d8d8;
}

.button--light { background: #fff; color: var(--ink); }
.button--light:hover { background: #e6e6e6; }

@media (max-width: 1000px) {
  .biz-hero { grid-template-columns: 1fr; row-gap: 32px; padding-top: 40px; }
  .biz-hero__title { grid-column: auto; font-size: 72px; }
  .fit-row { grid-template-columns: 1fr; row-gap: 10px; }
  .fit-row__problem { font-size: 26px; line-height: 32px; }
  /* When the steps wrap, each step carries its own line (as Research does on small screens) */
  .timeline { grid-template-columns: 1fr 1fr; row-gap: 40px; border-top: 0; }
  .timeline__step { border-top: 1px solid var(--ink); }
  .timeline__step:last-child::after { display: none; }
  .cta-dark { grid-template-columns: 1fr; row-gap: 28px; padding: 48px 32px; }
  .cta-dark__title { grid-column: auto; font-size: 48px; }
}

@media (max-width: 640px) {
  .biz-hero__title { font-size: 52px; }
  .hero--wide { aspect-ratio: 4 / 3; }
  .block__lede { font-size: 19px; line-height: 26px; }
  .fit-row__problem { font-size: 22px; line-height: 28px; }
  .timeline { grid-template-columns: 1fr; margin-top: 40px; }
  .faq summary { font-size: 21px; line-height: 27px; }
  .faq details p { font-size: 17px; line-height: 25px; }
  .cta-dark { margin-top: 64px; padding: 40px 24px; }
  .cta-dark__title { font-size: 38px; }
}