/* =========================================================
   project-Dissertation/style.css
========================================================= */

/* ===== HERO (title + subtitle + phases) ===== */
.project-hero {
  background: var(--light);
  padding: 75px 20px 45px;
  text-align: center;
}

.project-hero-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.project-title {
  font-size: 2.45rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 14px;
}

.project-subtitle {
  max-width: 850px;
  margin: 0 auto 18px;
  font-size: 1.12rem;
  color: var(--ink-2);
  line-height: 1.75;
}

/* ===== PHASES ===== */

.project-phases-inline {
  margin-top: 18px;
}

.project-phases-inline .section-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-1);
  margin-bottom: 18px;
}

/* ===== GRID ===== */

.phase-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(240px, 1fr));
  gap: 22px;
  max-width: 1000px;
  margin: 0 auto;
}

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

.phase-card {
  background: #fff;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 4px 10px rgba(0,0,0,.06);

  padding: 18px;

  text-align: left;

  display: flex;
  flex-direction: column;
  min-height: 180px;
}

.phase-tag {
  display: inline-block;
  width: fit-content;

  font-size: .78rem;
  font-weight: 700;

  color: var(--primary);
  background: rgba(32,122,67,.10);
  border: 1px solid rgba(32,122,67,.20);

  padding: 5px 10px;
  border-radius: 999px;

  margin-bottom: 12px;
}

.phase-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-1);

  margin-bottom: 10px;
}

.phase-card p {
  font-size: .95rem;
  color: var(--ink-2);
  line-height: 1.65;
  flex: 1;
}

.phase-link {
  margin-top: 14px;
  font-size: .95rem;
  font-weight: 600;
  color: var(--secondary);
  text-decoration: none;
  display: inline-block;
  transition: color .2s ease, transform .15s ease;
}

.phase-link:hover {
  color: var(--primary);
  transform: translateX(3px);
  text-decoration: underline;
}

.phase-link.disabled {
  color: #999;
  pointer-events: none;
  font-weight: 500;
}

/* ===== IMAGE ===== */

.project-visual {
  background: #f5fff7;
  padding: 50px 20px 75px;
}

.visual-wrap {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.visual-card {
  display: inline-block;
  background: #eef8ef;
  border-radius: 12px;
  border: 2px solid rgba(0,0,0,.18);
  padding: 14px;
}

.visual-card img {
  display: block;
  width: 100%;
  max-width: 860px;
  height: auto;
  border-radius: 8px;
}

/* ===== BUTTON ===== */

.back-btn {
  margin-top: 16px;
  display: inline-block;
  padding: 9px 14px;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-size: .9rem;
  font-weight: 600;
  transition: transform .15s ease, background .2s ease;
}

.back-btn:hover {
  background: var(--hover);
  transform: translateY(-2px);
}

/* ===== RESPONSIVE ===== */

@media (max-width:992px){

  .phase-grid{
    grid-template-columns:1fr;
    max-width:560px;
  }

  .project-title{
    font-size:2.15rem;
  }

  .project-subtitle{
    font-size:1.05rem;
  }

}

@media (max-width:600px){

  .project-hero{
    padding:60px 16px 36px;
  }

  .project-title{
    font-size:1.9rem;
  }

  .project-subtitle{
    font-size:1rem;
  }

  .project-visual{
    padding:40px 16px 60px;
  }

  .visual-card{
    padding:10px;
  }

  .visual-card img{
    max-width:100%;
  }

}