/* =============================================
   MARA REVKIN - GitHub Pages Site
   style.css
   ============================================= */

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

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 18px;
  color: #000;
  background: #fff;
  line-height: 1.65;
}

a {
  color: #000;
  text-decoration: underline;
}

a:hover {
  opacity: 0.7;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Navigation --- */
nav {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid #ddd;
  z-index: 1000;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1150px;
  margin: 0 auto;
  padding: 14px 30px;
}

.site-title {
  font-family: 'EB Garamond', serif;
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #000;
  text-decoration: none;
  white-space: nowrap;
}

.nav-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  justify-content: flex-end;
}

.nav-links a {
  font-family: 'EB Garamond', serif;
  font-size: 18px;
  color: #000;
  text-decoration: none;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  text-decoration: underline;
}

/* Hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #000;
  transition: all 0.2s;
}

/* Mobile nav */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: #fff;
  border-top: 1px solid #ddd;
  padding: 12px 30px 20px;
}

.mobile-nav a {
  font-family: 'EB Garamond', serif;
  font-size: 20px;
  color: #000;
  text-decoration: none;
  padding: 8px 0;
  border-bottom: 1px solid #f0f0f0;
}

.mobile-nav.open {
  display: flex;
}

/* --- Page header (inner pages) --- */
.page-header {
  text-align: center;
  padding: 40px 30px 10px;
  max-width: 1150px;
  margin: 0 auto;
}

.page-header h1 {
  font-family: 'EB Garamond', serif;
  font-size: 30px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

hr.divider {
  border: none;
  border-top: 1px solid #ccc;
  margin: 0 0 24px;
}

/* --- Main content container --- */
.main-content {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 30px 60px;
}

/* --- HOME PAGE --- */

/* Banner: full-width landscape photo */
.home-banner {
  width: 100%;
  max-height: 340px;
  overflow: hidden;
}

.home-banner img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  object-position: center 40%;
}

/* Two-column home layout */
.home-grid {
  display: grid;
  grid-template-columns: 68% 1fr;
  gap: 40px;
  padding: 36px 0 20px;
}

.bio-text {
  font-size: 17px;
  line-height: 1.75;
  text-align: justify;
}

.bio-text p + p {
  margin-top: 14px;
}

.sidebar-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-col img {
  width: 100%;
  border-radius: 2px;
}

.contact-info {
  font-size: 16px;
  line-height: 1.8;
}

.field-photo-caption {
  font-size: 13px;
  color: #555;
  margin-top: 6px;
  font-style: italic;
}

/* --- RESEARCH PAGE --- */
.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px 24px;
  margin-bottom: 40px;
}

.research-area h2 {
  font-family: 'EB Garamond', serif;
  font-size: 17px;
  font-weight: 600;
  text-align: center;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.research-area h2 a {
  text-decoration: none;
}

.research-area h2 a:hover {
  text-decoration: underline;
}

.research-area img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  margin-top: 10px;
}

.img-caption {
  font-size: 13px;
  color: #555;
  margin-top: 6px;
  font-style: italic;
  text-align: center;
}

/* --- TEACHING PAGE --- */
.teaching-section {
  margin-bottom: 36px;
}

.teaching-section h2 {
  font-family: 'EB Garamond', serif;
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  margin-bottom: 30px;
}

/* --- DATA PAGE --- */
.dataset-entry {
  margin-bottom: 30px;
}

.dataset-entry h2 {
  font-family: 'EB Garamond', serif;
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
}

.dataset-entry p {
  font-size: 17px;
  line-height: 1.7;
}

/* --- CV PAGE --- */
.cv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

/* --- POLICY PAGE --- */
.policy-intro {
  font-size: 17px;
  margin-bottom: 24px;
}

.policy-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.policy-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border: 1px solid #ddd;
  padding: 4px;
}

.policy-item .img-caption {
  margin-top: 6px;
}

/* --- MEDIA PAGE --- */
.media-section {
  margin-bottom: 32px;
}

.media-section h2 {
  font-family: 'EB Garamond', serif;
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 14px;
}

.media-section ul {
  list-style: disc;
  padding-left: 24px;
  font-size: 17px;
  line-height: 1.8;
}

.media-section ul li {
  margin-bottom: 6px;
}

/* --- CONTACT PAGE --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-details h2 {
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 12px;
}

.contact-details p {
  font-size: 19px;
  line-height: 1.9;
}

/* --- Footer --- */
footer {
  border-top: 1px solid #e0e0e0;
  text-align: center;
  padding: 18px 30px;
  font-size: 14px;
  color: #888;
  font-family: 'EB Garamond', serif;
}

/* --- Placeholder images --- */
.placeholder-img {
  background: #f2f2f2;
  border: 1px dashed #ccc;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 14px;
  font-style: italic;
  text-align: center;
  padding: 10px;
}

.placeholder-headshot {
  width: 100%;
  aspect-ratio: 3/4;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .home-grid,
  .two-col,
  .cv-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .research-grid,
  .policy-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .research-grid,
  .policy-gallery {
    grid-template-columns: 1fr;
  }

  .page-header h1 {
    font-size: 24px;
  }

  .home-banner img {
    height: 220px;
  }
}