/* styles.css */
:root {
  --primary: #1d4ed8;
  --text-dark: #111;
  --text-light: #555;
  --border: #e5e7eb;
  --bg-nav: #fff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* ─── NAVBAR ───────────────────────────────────────────────────────────────── */

nav {
  background: var(--bg-nav);;                                        /*change nav bar BG color here*/
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav .nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav .brand {
  font-size: 1.25rem;
  font-weight: bold;
}

nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

nav a {
  padding-bottom: 0.25rem;
  color: var(--text-light);;           /*change nav bar text color here*/
  font-weight: 500;
}

nav a:hover,
nav a.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
}

/* ─── HEADINGS ──────────────────────────────────────────────────────────────── */

h1, h2, h3 {
  color: var(--text-dark);
}

h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* ─── SEARCH INPUT ──────────────────────────────────────────────────────────── */

input[type="search"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

/* ─── PROJECT CARDS ────────────────────────────────────────────────────────── */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap: 1.5rem;
}

.card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  transition: box-shadow .2s;
}

.card:hover {
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* group wrapper spacing */
.project-group {
  margin-top: 2rem;
  margin-bottom: 2rem;
}

/* your subheading style */
.project-group > h3 {
  font-size: 1.5rem;
  color: var(--text-dark);
  margin-bottom: 1rem;
}


/* ─── PUBLICATIONS LIST ─────────────────────────────────────────────────────── */

.pub-list {
  list-style: none;
}

.pub-list li {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.pub-info h3 {
  margin-bottom: 0.25rem;
}

.pub-info p {
  margin-bottom: 0.25rem;
  color: var(--text-light);
  font-size: 0.9rem;
}

/* ─── PAGINATION ───────────────────────────────────────────────────────────── */

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
}

.page-link {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dark);
  font-size: 0.9rem;
}

.page-link:hover {
  background: #f9fafb;
}

.page-link.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.page-link.disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* ─── GALLERY ──────────────────────────────────────────────────────────────── */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px,1fr));
  gap: 1rem;
}

.gallery-item {
  overflow: hidden;
  border-radius: 8px;
}

.gallery-item img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  transition: transform .2s;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* ─── CONTACT FORM ─────────────────────────────────────────────────────────── */

form .form-group {
  margin-bottom: 1rem;
}

form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-dark);
}

form input,
form textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
}

form button {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
}

form button:hover {
  background: #1e40af;
}

.profile-wrapper {
  padding: 2rem;
}

.profile {
  display: flex;
  align-items: flex-start;
}

/* Photo column */
.profile__photo img {
  display: block;
  max-width: 400px;
  border-radius: 50%;
}

/* Thin vertical line */
.profile__separator {
  width: 1px;
  background-color: #ddd;
  margin: 0 2rem;
  /* stretch the separator to the full height of its siblings */
  align-self: stretch;
}

/* Text column */
.profile__info {
  flex: 1;
  /* optional: add a bit of padding to your text block */
  padding-right: 1rem;
}

/* Responsive tweak: stack on small screens */
@media (max-width: 600px) {
  .profile {
    flex-direction: column;
  }
  .profile__separator {
    display: none;
  }
  .profile__photo {
    margin-bottom: 1.5rem;
  }
}

/* ─── CV PAGE STYLES ───────────────────────────────────────────────────────── */

.cv-header {
  text-align: center;
  margin-bottom: 2rem;
}

.cv-header h1 {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--text-dark);
}

.cv-section {
  margin-bottom: 2rem;
}

.cv-section h2 {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 0.25rem;
}

.cv-section ul {
  list-style: disc inside;
  margin-left: 0;
  color: var(--text-light);
}

.cv-section ul li {
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

/* a little tighter spacing for tables of Rapid Data like skills or coursework */
.cv-bullet-list li {
  margin-bottom: 0.25rem;
}

/* Make publication entries a bit more compact */
.cv-publications li {
  margin-bottom: 0.75rem;
}

/* ─── PDF EMBEDDER ─────────────────────────────────────────────────────────── */

.pdf-container {
  width: 1000px;
  height: 1000px;
  margin: 2rem auto;       /* centers horizontally and adds top/bottom spacing */
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  border: 1px solid var(--border);
}

.pdf-container iframe,
.pdf-container object {
  width: 100%;
  height: 100%;
  border: none;
}

/* ─── CAROUSEL CONTROLS (Gallery) ─────────────────────────────────────────────────────── */
.carousel {
  position: relative;
  max-width: 800px;
  max-height: 800px;
  margin: 2rem auto;
  overflow: hidden;
  border-radius: 8px;
}

.carousel img {
  width: 100%;
  display: block;
}

.carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,0.5);
  color: #fff;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  text-align: center;
}

/* hide the old gallery-grid when using carousel */
.gallery-grid {
  display: none;
}