/* ==========================================================
   APPLIED MATHEMATICS PAGE
   ========================================================== */

/* ==========================================================
   APPLIED MATH PAGE
   ========================================================== */

.applied-section {
  padding-top: 70px;
  padding-bottom: 85px;
}


/* ----------------------------------------------------------
   IS IT FOR YOU? / CHECKLIST
   ---------------------------------------------------------- */

.applied-checklist {
  display: flex;
  flex-direction: column;
  gap: 0;
  align-self: stretch;

  border: 0;
}

.applied-check {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 18px;
  align-items: start;

  padding: 20px 0;

  border: 0;
}

/* Internal dividers only */
.applied-check + .applied-check {
  border-top: 1px solid var(--rule);
}

.applied-check > span {
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.4;
}

.applied-check p {
  margin: 0;

  max-width: 560px;

  font-family: var(--font-serif);
  font-size: 1.18rem;
  line-height: 1.35;
}

/* ----------------------------------------------------------
   WHERE CAN IT GO?
   Equal-width responsive grid
   ---------------------------------------------------------- */

.applied-destinations {
  display: grid;

  /* 4 equal columns on larger screens */
  grid-template-columns: repeat(4, 1fr);

  gap: 12px;

  margin-top: 32px;
  padding-top: 0;

  border-top: none;
}

.applied-destinations span {
  /*
    Labels inherit their equal column width from .applied-destinations.
    Keep these visually light: border, compact mono type, no card fill.
  */
  display: inline-block;
  min-width: 0;
  padding: 8px 12px;

  border: 1px solid var(--ink);

  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  line-height: 1;
  text-align: center;
}


/* The final open-ended destination is intentionally slightly editorial. */
.applied-destinations span:last-child {
  flex-basis: auto;
  font-style: italic;
}


/* ----------------------------------------------------------
   MOBILE
   ---------------------------------------------------------- */

@media (max-width: 1000px) {
  .applied-destinations {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 800px) {

  .applied-check {
    grid-template-columns: 26px 1fr;
    gap: 12px;
  }

  .applied-check p {
    font-size: 1.05rem;
  }

  .applied-destinations {
    gap: 8px;
  }

  .applied-destinations span {
    font-size: 0.75rem;
  }

}

@media (max-width: 700px) {
  .applied-destinations {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 420px) {
  .applied-destinations {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================
   APPLIED MATH / WHAT YOU ACTUALLY DO
   ========================================================== */

.applied-topics {
  width: 100%;

  /* Pull the topic index toward the introductory copy. */
  margin-top: -20px;
  padding-bottom: 80px;
}


/* ----------------------------------------------------------
   INDIVIDUAL TOPIC
   ---------------------------------------------------------- */

.applied-topic {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  column-gap: 28px;

  padding: 24px 0 26px;

  border-bottom: 1px solid rgba(17, 17, 15, 0.25);
}


/* No rule above the first item */

.applied-topic:first-child {
  padding-top: 0;
}


/* Don't trap the list between two rules */

.applied-topic:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}


/* ----------------------------------------------------------
   NUMBER
   ---------------------------------------------------------- */

.applied-topic-number {
  grid-column: 1;
  grid-row: 1 / span 2;

  padding-top: 3px;

  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;

  opacity: 0.55;
}


/* ----------------------------------------------------------
   TITLE
   ---------------------------------------------------------- */

.applied-topic h3 {
  grid-column: 2;

  margin: 0 !important;

  font-family: var(--font-sans);
  font-size: clamp(1.05rem, 1.4vw, 1.35rem) !important;
  font-weight: 600;
  line-height: 1.1 !important;
  letter-spacing: -0.025em;

  text-transform: uppercase;
}


/* ----------------------------------------------------------
   DESCRIPTION
   ---------------------------------------------------------- */

.applied-topic p {
  grid-column: 2;

  max-width: 1050px;

  margin: 10px 0 0 !important;

  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.15vw, 1.15rem);
  line-height: 1.4;
}


/* ----------------------------------------------------------
   MOBILE
   ---------------------------------------------------------- */

@media (max-width: 800px) {

  .applied-topic {
    grid-template-columns: 42px minmax(0, 1fr);
    column-gap: 14px;

    padding: 20px 0 22px;
  }

  .applied-topic h3 {
    font-size: 1rem !important;
  }

  .applied-topic p {
    margin-top: 8px !important;
    font-size: 1rem;
  }

}