/* Page regions: hero, sections and their grids. */

.hero {
  padding-block: 3rem 4.5rem;
  display: grid;
  gap: 3rem;
}

.hero-kicker {
  color: var(--mist);
  margin-bottom: 1.25rem;
}

.section {
  padding: 4.5rem 0;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: 44rem;
  margin-bottom: 2.5rem;
}

.closing {
  padding: 5rem 0;
}

/* Grids */

.grid-3 {
  display: grid;
  gap: 1.75rem;
}

.cell {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.cell h3 {
  margin-bottom: 0.4rem;
}

.cell ul {
  list-style: none;
  padding: 0;
  margin-top: 0.75rem;
}

.cell li {
  padding: 0.35rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
}

.cell li:first-child {
  border-top: 0;
}

/* Statistics row */

.stat-value {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  margin-top: 0.75rem;
  max-width: 18rem;
}

.stat-source {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.875rem;
  color: var(--slate);
}

/* Numbered steps with a product panel beside each */

.step {
  display: grid;
  gap: 1.75rem;
  padding: 2.75rem 0;
  border-top: 1px solid var(--line);
}

.step-num {
  color: var(--slate);
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.75rem;
}

.step h3 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}

.step .role-words {
  color: var(--slate);
  margin: 0.35rem 0 1rem;
}

.step p {
  max-width: 28rem;
}

/* Statistics under the problem */

.stats {
  display: grid;
  gap: 2rem;
  margin-top: 3.5rem;
}

/* The mission line */

.mission {
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  max-width: 38rem;
  margin-top: 1.5rem;
}

/* The offer ladder: a list on phones, a rising staircase on wide screens */

.ladder {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.rung {
  padding: 1.1rem 1.25rem 1.25rem;
  border-radius: 14px;
  background: var(--panel-bg);
  color: var(--panel-fg);
}

.rung ul {
  list-style: none;
  padding: 0;
  margin-top: 0.5rem;
  font-size: 0.9375rem;
}

.rung li {
  padding: 0.2rem 0;
}

.ladder-note,
.status-line {
  margin-top: 2.5rem;
}

/* The one line about the platform */

.platform {
  padding: 2.5rem 0;
}

.platform-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem 3rem;
}

.platform-line p {
  max-width: 46rem;
}

@media (min-width: 48em) {
  .hero {
    padding-block: 6rem 7rem;
  }

  .section {
    padding: 7rem 0;
  }

  .section-head {
    margin-bottom: 3rem;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem 3rem;
  }

  .stats {
    grid-template-columns: repeat(2, minmax(0, 24rem));
    gap: 3rem;
  }

  .step {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
    padding: 4rem 0;
  }

  .steps .step:nth-child(even) .panel {
    order: -1;
  }
}

@media (min-width: 62em) {
  .hero {
    grid-template-columns: 1.25fr 1fr;
    align-items: center;
    gap: 5rem;
    padding-block: 7rem 8rem;
  }

  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .ladder {
    grid-template-columns: repeat(5, 1fr);
    align-items: start;
    gap: 0.75rem;
  }

  .rung:nth-child(1) {
    margin-top: 6rem;
  }

  .rung:nth-child(2) {
    margin-top: 4.5rem;
  }

  .rung:nth-child(3) {
    margin-top: 3rem;
  }

  .rung:nth-child(4) {
    margin-top: 1.5rem;
  }
}