/* ========================================
   TRENT COLLEGE SIS CASE STUDY
======================================== */

.trent-case {
  --trent-navy: #123047;
  --trent-blue: #1d6887;
  --trent-teal: #168b8b;
  --trent-light-blue: #dceef4;
  --trent-ice: #f2f8fa;
  --trent-cream: #fffaf5;
  --trent-white: #ffffff;
  --trent-text: #26343d;
  --trent-muted: #62717a;
  --trent-border: #cedce2;

  color: var(--trent-text);
  background: var(--trent-white);
}


.trent-shell {
  width: min(
    1180px,
    calc(100% - 40px)
  );

  margin-inline: auto;
}


.trent-section {
  padding:
    clamp(4.5rem, 8vw, 7.5rem)
    0;
}


.trent-label,
.trent-eyebrow {
  margin-bottom: 0.85rem;

  color: var(--trent-teal);

  font-size: 0.8rem;
  font-weight: 800;

  letter-spacing: 0.15em;

  text-transform: uppercase;
}


.trent-case h2 {
  max-width: 850px;

  color: var(--trent-navy);

  font-size:
    clamp(2.2rem, 4.8vw, 4rem);

  line-height: 1.06;

  letter-spacing: -0.035em;
}


.trent-case h3 {
  color: var(--trent-navy);
}



/* ========================================
   HERO
======================================== */

.trent-hero {
  position: relative;

  overflow: hidden;

  padding:
    clamp(4rem, 8vw, 8rem)
    0;

  background:
    radial-gradient(
      circle at 87% 15%,
      rgba(22, 139, 139, 0.22),
      transparent 30rem
    ),
    linear-gradient(
      135deg,
      #f9fcfd,
      var(--trent-light-blue)
    );

  border-bottom:
    7px solid
    var(--trent-teal);
}


.trent-hero-grid {
  display: grid;

  grid-template-columns:
    minmax(0, 1.05fr)
    minmax(340px, 0.95fr);

  gap:
    clamp(3rem, 7vw, 7rem);

  align-items: center;
}


.trent-back-link {
  display: inline-block;

  margin-bottom: 2.5rem;

  color: var(--trent-blue);

  font-weight: 700;

  text-decoration: none;
}


.trent-back-link:hover {
  color: var(--trent-teal);
}


.trent-hero h1 {
  max-width: 780px;

  margin:
    0
    0
    1.6rem;

  color: var(--trent-navy);

  font-size:
    clamp(3rem, 7vw, 6.5rem);

  line-height: 0.95;

  letter-spacing: -0.055em;
}


.trent-hero h1 span {
  display: block;

  margin-top: 0.4rem;

  color: var(--trent-blue);

  font-size: 0.52em;

  line-height: 1.05;

  letter-spacing: -0.035em;
}


.trent-lead {
  max-width: 680px;

  color: var(--trent-muted);

  font-size:
    clamp(1.08rem, 2vw, 1.35rem);

  line-height: 1.75;
}


.trent-tags {
  display: flex;

  flex-wrap: wrap;

  gap: 0.65rem;

  padding: 0;

  margin:
    2rem
    0
    0;

  list-style: none;
}


.trent-tags li {
  padding:
    0.55rem
    0.9rem;

  color: var(--trent-navy);

  background:
    rgba(255, 255, 255, 0.72);

  border:
    1px solid
    rgba(18, 48, 71, 0.14);

  border-radius: 999px;

  font-size: 0.82rem;
  font-weight: 700;
}


.trent-hero-visual {
  margin: 0;

  padding: 1rem;

  background: white;

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

  border-radius: 18px;

  box-shadow:
    20px 24px 0
    rgba(22, 139, 139, 0.16);
}


.trent-hero-visual img {
  width: 100%;

  max-height: 520px;

  object-fit: contain;
}


.trent-hero-visual figcaption {
  padding-top: 0.8rem;

  color: var(--trent-muted);

  font-size: 0.82rem;

  text-align: center;
}



/* ========================================
   OVERVIEW
======================================== */

.trent-overview-grid {
  display: grid;

  grid-template-columns:
    minmax(0, 1.35fr)
    minmax(280px, 0.65fr);

  gap:
    clamp(3rem, 7vw, 6rem);

  align-items: start;
}


.trent-overview-grid article p {
  max-width: 730px;

  line-height: 1.8;
}


.trent-facts {
  padding: 2rem;

  color: white;

  background:
    linear-gradient(
      145deg,
      var(--trent-navy),
      #214b62
    );

  border-top:
    7px solid
    var(--trent-teal);

  border-radius:
    0 0 18px 18px;

  box-shadow:
    0 20px 45px
    rgba(18, 48, 71, 0.16);
}


.trent-facts .trent-label {
  color: #8be1dd;
}


.trent-facts dl {
  margin: 0;
}


.trent-facts dl div {
  padding:
    1rem
    0;

  border-top:
    1px solid
    rgba(255, 255, 255, 0.18);
}


.trent-facts dt {
  color: #81dad7;

  font-size: 0.74rem;
  font-weight: 800;

  letter-spacing: 0.1em;

  text-transform: uppercase;
}


.trent-facts dd {
  margin:
    0.35rem
    0
    0;

  color: white;

  line-height: 1.5;
}



/* ========================================
   DARK SECTION
======================================== */

.trent-dark {
  color: white;

  background:
    linear-gradient(
      135deg,
      #102a3d,
      var(--trent-navy)
    );
}


.trent-dark h2,
.trent-dark h3 {
  color: white;
}


.trent-dark .trent-label {
  color: #72d7d3;
}


.trent-challenge-grid {
  display: grid;

  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  gap: 2rem;

  margin-top: 3rem;
}


.trent-challenge-grid article {
  padding:
    clamp(1.5rem, 3vw, 2.5rem);

  background:
    rgba(255, 255, 255, 0.07);

  border:
    1px solid
    rgba(255, 255, 255, 0.16);

  border-radius: 18px;
}


.trent-challenge-grid p,
.trent-challenge-grid li {
  color:
    rgba(255, 255, 255, 0.82);

  line-height: 1.7;
}



/* ========================================
   SOFT SECTION
======================================== */

.trent-soft {
  background:
    linear-gradient(
      135deg,
      rgba(22, 139, 139, 0.08),
      transparent 60%
    ),
    var(--trent-ice);
}



/* ========================================
   STAKEHOLDER CARDS
======================================== */

.trent-card-grid {
  display: grid;

  grid-template-columns:
    repeat(4, 1fr);

  gap: 1.25rem;

  margin-top: 3rem;
}


.trent-card {
  min-height: 260px;

  padding: 1.6rem;

  background: white;

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

  border-top:
    5px solid
    var(--trent-teal);

  border-radius: 12px;

  box-shadow:
    0 10px 30px
    rgba(18, 48, 71, 0.07);
}


.trent-card span {
  display: inline-block;

  margin-bottom: 2rem;

  color: var(--trent-teal);

  font-size: 0.78rem;
  font-weight: 900;
}


.trent-card p {
  margin-bottom: 0;

  color: var(--trent-muted);

  line-height: 1.7;
}



/* ========================================
   HEADINGS
======================================== */

.trent-heading-grid {
  display: grid;

  grid-template-columns:
    minmax(250px, 0.8fr)
    minmax(0, 1fr);

  gap:
    clamp(3rem, 7vw, 7rem);

  margin-bottom: 3rem;
}


.trent-heading-grid p {
  color: var(--trent-muted);

  line-height: 1.8;
}



/* ========================================
   DIAGRAMS
======================================== */

.trent-diagram {
  margin: 0;

  padding: 1rem;

  overflow: hidden;

  background: white;

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

  border-radius: 15px;

  box-shadow:
    0 15px 36px
    rgba(18, 48, 71, 0.09);
}


.trent-diagram a {
  display: block;
}


.trent-diagram img {
  display: block;

  width: 100%;
  height: auto;

  max-height: 750px;

  object-fit: contain;

  transition:
    transform 200ms ease;
}


.trent-diagram:hover img {
  transform: scale(1.012);
}


.trent-diagram figcaption {
  padding:
    0.9rem
    0.3rem
    0.2rem;

  color: var(--trent-muted);

  font-size: 0.85rem;

  text-align: center;
}


.trent-diagram-large {
  max-width: 1100px;

  margin-inline: auto;
}


.trent-diagram-medium {
  max-width: 750px;

  margin:
    2rem
    auto
    0;
}


.trent-two-diagrams {
  display: grid;

  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  gap: 2rem;

  margin-top: 3rem;
}



/* ========================================
   PROJECT PLAN
======================================== */

.trent-project-plan {
  background: #f7fafb;
}


.trent-phases {
  display: grid;

  grid-template-columns:
    repeat(6, 1fr);

  gap: 1rem;

  margin-top: 3rem;
}


.trent-phases article {
  padding: 1.25rem;

  background: white;

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

  border-bottom:
    5px solid
    var(--trent-blue);
}


.trent-phases span {
  color: var(--trent-teal);

  font-size: 0.78rem;
  font-weight: 900;
}


.trent-phases h3 {
  margin:
    0.8rem
    0
    0.5rem;

  font-size: 1rem;
}


.trent-phases p {
  margin: 0;

  color: var(--trent-muted);

  font-size: 0.87rem;

  line-height: 1.55;
}



/* ========================================
   ARCHITECTURE
======================================== */

.trent-architecture {
  background:
    linear-gradient(
      135deg,
      #f4fafb,
      white
    );
}


.trent-architecture-copy {
  display: grid;

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

  gap: 1.4rem;

  margin:
    3rem
    0;
}


.trent-architecture-copy article {
  padding: 1.7rem;

  border-left:
    5px solid
    var(--trent-teal);

  background: white;

  box-shadow:
    0 10px 30px
    rgba(18, 48, 71, 0.06);
}


.trent-architecture-copy span {
  color: var(--trent-teal);

  font-size: 0.78rem;
  font-weight: 900;
}


.trent-architecture-copy p {
  margin-bottom: 0;

  color: var(--trent-muted);
}



/* ========================================
   PROCESS
======================================== */

.trent-process-grid,
.trent-data-grid,
.trent-database-grid {
  display: grid;

  grid-template-columns:
    minmax(0, 0.8fr)
    minmax(350px, 1.2fr);

  gap:
    clamp(3rem, 7vw, 7rem);

  align-items: center;
}


.trent-process-grid p,
.trent-data-grid p {
  line-height: 1.8;
}



/* ========================================
   EXPLANATION CARD
======================================== */

.trent-explanation-card {
  padding:
    clamp(1.5rem, 4vw, 3rem);

  background:
    linear-gradient(
      145deg,
      var(--trent-navy),
      #25546c
    );

  border-radius: 16px;

  color: white;
}


.trent-explanation-card h3 {
  color: white;
}


.trent-explanation-card p {
  color:
    rgba(255, 255, 255, 0.82);

  line-height: 1.8;
}



/* ========================================
   MODELS
======================================== */

.trent-model-section {
  background: #f7fafb;
}



/* ========================================
   DATABASE
======================================== */

.trent-database-list {
  display: flex;

  flex-wrap: wrap;

  gap: 0.6rem;

  padding: 0;

  margin:
    2rem
    0
    0;

  list-style: none;
}


.trent-database-list li {
  padding:
    0.55rem
    0.85rem;

  color: white;

  border:
    1px solid
    rgba(255, 255, 255, 0.3);

  border-radius: 999px;

  font-size: 0.84rem;
}


.trent-dark-diagram {
  background:
    rgba(255, 255, 255, 0.95);
}



/* ========================================
   INTERFACE / WIREFRAMES
======================================== */

.trent-interface {
  background:
    linear-gradient(
      135deg,
      #ffffff,
      var(--trent-ice)
    );
}


.trent-intro {
  max-width: 780px;

  color: var(--trent-muted);

  font-size: 1.08rem;

  line-height: 1.8;
}


.trent-wireframes {
  display: grid;

  grid-template-columns:
    minmax(0, 2fr)
    minmax(240px, 0.75fr);

  gap: 2rem;

  align-items: start;

  margin-top: 3rem;
}


.trent-mobile-wireframe {
  max-width: 460px;

  justify-self: center;
}


.trent-accessibility {
  display: grid;

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

  gap: 1.2rem;

  margin-top: 3rem;
}


.trent-accessibility article {
  padding: 1.5rem;

  background: white;

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

  border-radius: 12px;
}


.trent-accessibility span {
  color: var(--trent-teal);

  font-weight: 900;
}



/* ========================================
   FEASIBILITY
======================================== */

.trent-feasibility-grid {
  display: grid;

  grid-template-columns:
    repeat(2, 1fr);

  gap: 1.4rem;

  margin-top: 3rem;
}


.trent-feasibility-grid article {
  padding:
    clamp(1.5rem, 3vw, 2.3rem);

  background: white;

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

  border-radius: 15px;

  box-shadow:
    0 10px 30px
    rgba(18, 48, 71, 0.06);
}


.trent-feasibility-grid span {
  color: var(--trent-teal);

  font-size: 0.76rem;
  font-weight: 900;

  letter-spacing: 0.1em;

  text-transform: uppercase;
}



/* ========================================
   OUTCOME
======================================== */

.trent-outcome {
  background: white;
}


.trent-outcome-grid {
  display: grid;

  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  gap:
    clamp(3rem, 7vw, 7rem);
}


.trent-outcome-grid p,
.trent-learning-list {
  line-height: 1.8;
}


.trent-learning-list {
  padding-left: 1.3rem;
}



/* ========================================
   NEXT PROJECT
======================================== */

.trent-next {
  padding:
    clamp(4rem, 8vw, 7rem)
    0;

  text-align: center;

  color: white;

  background:
    linear-gradient(
      135deg,
      var(--trent-navy),
      #1f586d
    );
}


.trent-next p {
  color: #72d7d3;

  font-size: 0.8rem;
  font-weight: 800;

  letter-spacing: 0.15em;

  text-transform: uppercase;
}


.trent-next h2 {
  max-width: 700px;

  margin-inline: auto;

  color: white;
}



/* ========================================
   TABLET
======================================== */

@media (max-width: 900px) {

  .trent-hero-grid,
  .trent-overview-grid,
  .trent-heading-grid,
  .trent-process-grid,
  .trent-data-grid,
  .trent-database-grid,
  .trent-outcome-grid,
  .trent-two-diagrams {
    grid-template-columns: 1fr;
  }


  .trent-card-grid {
    grid-template-columns:
      repeat(2, 1fr);
  }


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


  .trent-architecture-copy {
    grid-template-columns: 1fr;
  }


  .trent-wireframes {
    grid-template-columns: 1fr;
  }


  .trent-mobile-wireframe {
    max-width: 380px;
  }

}



/* ========================================
   MOBILE
======================================== */

@media (max-width: 600px) {

  .trent-shell {
    width:
      min(
        100% - 28px,
        1180px
      );
  }


  .trent-hero h1 {
    font-size:
      clamp(
        2.7rem,
        14vw,
        4.4rem
      );
  }


  .trent-card-grid,
  .trent-phases,
  .trent-accessibility,
  .trent-feasibility-grid {
    grid-template-columns: 1fr;
  }


  .trent-hero-visual {
    box-shadow:
      10px 12px 0
      rgba(22, 139, 139, 0.15);
  }


  .trent-diagram {
    padding: 0.6rem;
  }

}



/* ========================================
   REDUCED MOTION
======================================== */

@media (
  prefers-reduced-motion: reduce
) {

  .trent-diagram img {
    transition: none;
  }


  .trent-diagram:hover img {
    transform: none;
  }

}