/* STREAM - Spatio-Temporal Research for Environmental Analysis and Modelling */
/* Elegant Academic Website Styles - Quarto */

@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Source+Sans+3:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  /* Override Bootstrap primary (blue) with light gray */
  --bs-primary: #a0aec0;
  --bs-primary-rgb: 160, 174, 192;
  --color-deep-navy: #4a5568;
  --color-warm-navy: #718096;
  --color-accent: #a0aec0;
  --color-cream: #faf8f5;
  --color-muted: #6b7c8f;
  --color-text: #2d3748;
  --color-text-light: #4a5568;
  --font-heading: 'EB Garamond', Georgia, serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 720px;
  --spacing-unit: 1.5rem;
}

/* Typography refinements for Quarto */
body {
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.65;
}

.quarto-title-block .title {
  font-family: var(--font-heading);
  color: var(--color-deep-navy);
  letter-spacing: -0.01em;
}

/* STREAM acronym - large and centred */
.stream-acronym {
  font-size: 2.25rem;
  font-weight: 600;
  text-align: center;
  margin: 0 0 2rem;
  color: var(--color-deep-navy);
  font-family: var(--font-heading);
}

.stream-acronym .stream-logo {
  display: block;
  margin: 0 auto 0.75rem;
  max-height: 85px;
  width: auto;
}

@media (max-width: 768px) {
  .stream-acronym {
    font-size: 1.5rem;
    margin: 0 0 1.5rem;
  }
  
  .stream-acronym .stream-logo {
    max-height: 75px;
  }
}

/* Navbar logo size */
.navbar-logo {
  max-height: 20px;
}

/* Logo */
.logo-placeholder {
  margin: 2.5rem 0;
  padding: 2rem;
  text-align: center;
}

.logo-placeholder img {
  max-width: 960px;
  max-height: 480px;
  width: 100%;
  object-fit: contain;
}

.logo-placeholder p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin: 0.75rem 0 0;
}

/* Feature cards - four images with titles */
.feature-cards {
  margin-top: 3rem;
  gap: 4rem;
}

.feature-cards .column {
  text-align: center;
  padding: 0 1.5rem;
}

.feature-cards .card-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.feature-cards .card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--color-deep-navy);
  font-family: var(--font-heading);
}

.feature-cards .card-title a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s;
}

.feature-cards .card-title a:hover {
  opacity: 0.8;
}

.feature-cards .card-image {
  transition: opacity 0.2s;
}

.feature-cards a:hover .card-image {
  opacity: 0.9;
}

.feature-cards .column p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Feature cards mobile: stack underneath each other */
@media (max-width: 768px) {
  .feature-cards .columns {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 4rem;
  }
  
  .feature-cards .column {
    width: 100% !important;
    padding-bottom: 1rem;
  }
}

/* Research projects - text left, image right */
.research-project {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(107, 124, 143, 0.2);
}

.research-project .columns {
  gap: 2.5rem;
}

.research-project .research-text {
  max-width: 42rem;
  padding-right: 5rem;
}

.research-project .research-text p:first-child {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--color-deep-navy);
  margin-bottom: 0.75rem;
}

.research-project:last-child {
  border-bottom: none;
}

.research-project .research-image {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  border-radius: 8px;
}

.research-project .read-more-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-weight: 600;
  color: var(--color-deep-navy);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.research-project p:has(> a.read-more-link) {
  margin: 0;
  line-height: 1.4;
}

.research-project p:has(> a.read-more-link) + p:has(> a.read-more-link) {
  margin-top: 0;
}

.research-project .read-more-link:hover {
  color: var(--color-warm-navy);
}

/* Research projects mobile: stack text on top, image underneath */
@media (max-width: 768px) {
  .research-project .columns {
    flex-direction: column !important;
    align-items: flex-start !important;
  }
  
  .research-project .column {
    width: 100% !important;
  }
  
  .research-project .research-text {
    max-width: none;
    padding-right: 0;
  }
  
  .research-project .research-image-col {
    padding-left: 0;
    margin-top: 2rem;
  }
  
  .research-project .research-image-col img {
    max-width: 100%;
    max-height: 280px;
  }
  
  .research-project .research-image {
    max-height: 280px;
    width: 100%;
  }
}

/* Person cards - image left, text right */
.person-card {
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(107, 124, 143, 0.2);
}

.person-card:last-child {
  border-bottom: none;
}

.person-photo {
  width: 200px;
  max-width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 8px;
}

/* Mobile: stack image on top, full width */
@media (max-width: 768px) {
  .person-card .columns {
    flex-direction: column !important;
    align-items: flex-start !important;
  }
  
  .person-card .column {
    width: 100% !important;
  }
  
  .person-photo {
    width: 100%;
    max-width: 280px;
    height: auto;
    aspect-ratio: 4 / 5;
    object-fit: cover;
  }
}

/* Map container */
.map-container {
  margin: 1.5rem 0;
  border-radius: 8px;
  overflow: hidden;
}

.map-container iframe {
  display: block;
}

/* Enquiry form */
.enquiry-form {
  margin: 2rem 0;
  max-width: 600px;
}

.enquiry-form .form-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.enquiry-form .form-row .form-group {
  flex: 1;
  min-width: 140px;
}

.enquiry-form .form-group {
  margin-bottom: 1.25rem;
}

.enquiry-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-deep-navy);
  font-size: 0.95rem;
}

.enquiry-form input,
.enquiry-form textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid rgba(107, 124, 143, 0.3);
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.enquiry-form input:focus,
.enquiry-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.enquiry-form textarea {
  resize: vertical;
  min-height: 100px;
}

.enquiry-form .form-submit {
  padding: 0.6rem 1.5rem;
  background: var(--color-deep-navy);
  color: white;
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.enquiry-form .form-submit:hover {
  opacity: 0.9;
}