/* ============================================
   BLOCK 4 — CÓMO REGISTRARSE
   Layout: header asymmetric + intro_meta + 3-col stepper + footer (thumb + closing + CTA)
   ============================================ */

.home_block_4 {
  padding: 9rem var(--main-padding);
  background: var(--bg-paper);
}

.home_block_4_inner {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.home_block_4_header {
  display: grid;
  grid-template-columns: 0.95fr 1.1fr;
  gap: 4rem;
  align-items: end;
  padding-bottom: 2.6rem;
  border-bottom: 1.5px solid var(--ink);
}

.home_block_4_header_left {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.home_block_4_title {
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.home_block_4_header_right > .text-m {
  color: var(--ink-soft);
  font-family: "Crimson Pro", serif;
  font-weight: 400;
  font-size: 1.32rem;
  line-height: 1.55;
}

/* ===== intro_meta strip ===== */
.home_block_4_intro_meta {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.5rem 0;
  font-family: "Geist", inherit;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.intro_meta_dot {
  display: inline-block;
  width: 0.6rem;
  height: 0.6rem;
  background: var(--accent);
  border-radius: 50%;
}

/* ===== stepper — 3-col grid 6 cards ===== */
.home_block_4_stepper {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.home_block_4_step {
  position: relative;
  padding: 2rem 1.8rem;
  background: var(--bg-paper);
  border: 1.5px solid var(--ink);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 14rem;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.home_block_4_step:hover {
  background: var(--bg-paper-soft);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.step_index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  padding: 0.36rem 0.6rem;
  background: var(--accent);
  color: var(--bg-paper);
  font-family: "Crimson Pro", serif;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
  line-height: 1;
}

.step_title {
  color: var(--ink);
  font-family: "Crimson Pro", serif;
  font-weight: 500;
  font-size: 1.22rem;
  line-height: 1.3;
  letter-spacing: -0.005em;
}

/* ===== footer — thumb + closing + CTA ===== */
.home_block_4_footer {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
  padding-top: 2.6rem;
  border-top: 1px solid var(--hairline);
  margin-top: 1rem;
}

.home_block_4_thumb {
  position: relative;
  padding: 1rem;
  background: var(--bg-paper);
  border: 1.5px solid var(--ink);
}

.home_block_4_thumb > img {
  width: 100%;
  height: auto;
  display: block;
}

.home_block_4_footer_text {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.home_block_4_close {
  color: var(--ink);
  font-family: "Crimson Pro", serif;
  font-style: italic;
  font-weight: 500;
  font-size: 1.36rem;
  line-height: 1.5;
}

/* ============================================
   Mobile — ≤1024px
   ============================================ */
@media (max-width: 1024px) {
  .home_block_4 {
    padding: 12rem var(--main-padding);
  }

  .home_block_4_header {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
  }

  .home_block_4_header_right > .text-m {
    font-size: 2.5rem;
    line-height: 1.5;
  }

  .home_block_4_intro_meta {
    font-size: 1.9rem;
  }

  .intro_meta_dot {
    width: 1.2rem;
    height: 1.2rem;
  }

  .home_block_4_stepper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .home_block_4_step {
    padding: 3rem 2.6rem;
    min-height: auto;
  }

  .step_index {
    padding: 0.7rem 1.2rem;
    font-size: 2.2rem;
  }

  .step_title {
    font-size: 2.6rem;
    line-height: 1.3;
  }

  .home_block_4_footer {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-top: 3rem;
  }

  .home_block_4_close {
    font-size: 2.6rem;
  }
}