/* ---------------------------------------------------
   GLOBAL STYLES — Modern Academic Portfolio Theme
   Color scheme:
   - Background: white & lavenderblush
   - Text: slate gray (#2F4F4F)
   - Accent: muted lavender-gray (#BCAFC9)
--------------------------------------------------- */

body {
  margin: 0;
  padding: 0;
  background-color: #FAF8FC; /* soft off-white with hint of lavender */
  color: #2F4F4F;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: #2F4F4F;
  text-decoration: none;
  transition: 0.2s ease;
}

a:hover,
a:focus {
  text-decoration: underline;
}

/* ---------------------------------------------------
   NAVIGATION — Professionalized & Consistent
--------------------------------------------------- */

nav {
  background-color: #F5F1FA; /* slightly brighter, more opaque */
  backdrop-filter: blur(0px); /* optional: ensures crispness */
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid #BCAFC9;
  padding: 14px 0;

}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 32px;
}

nav li {
  padding: 0;
}

nav a {
  font-weight: 600;
  font-size: 17px;
  padding: 8px 16px;
  border-radius: 6px;
}

nav a:hover {
  background-color: #DCD2E6; /* slightly deeper lavender-gray */
  box-shadow: 0 2px 4px rgba(47, 79, 79, 0.12);
}

nav a.active {
  background-color: #FFF;
  border: 1px solid #BCAFC9;
  box-shadow: 0 2px 4px rgba(47, 79, 79, 0.12);
}

/* ---------------------------------------------------
   HERO / PAGE HEADER
--------------------------------------------------- */

.hero {
  text-align: center;
  padding: 60px 20px;
  border-bottom: 2px solid #BCAFC9;

  background-image: url("images/hero-bg.png");
  background-size: 120%;
  background-position: center;
  background-repeat: no-repeat;

  /* Adjusted opacity for clarity + professionalism */
  background-color: rgba(255, 255, 255, 0.55);
  background-blend-mode: soft-light;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(1px);
  z-index: 1;
}

.hero h1,
.hero .tagline {
  position: relative;
  z-index: 2;
  text-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

/* ---------------------------------------------------
   MAIN CONTENT WRAPPER
--------------------------------------------------- */

.content-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

/* ---------------------------------------------------
   ACADEMIC CARDS — Left Accent Bar
--------------------------------------------------- */

.card-accent {
  background-color: #FFFFFF;
  border-radius: 8px;
  border-left: 6px solid #BCAFC9;
  padding: 24px 28px;
  margin-bottom: 32px;
  box-shadow: 0 2px 10px rgba(47, 79, 79, 0.08);
}

.card-accent h2,
.card-accent h3 {
  margin-top: 0;
  font-family: "Georgia", serif;
  color: #2F4F4F;
}

/* --- Scholar Cards --- */

.scholar-card {
  background-color: #FFFFFF;
  border-left: 6px solid #BCAFC9; /* muted lavender-gray accent */
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.scholar-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.12);
}

.scholar-card img {
  width: 90%;
  max-width: 240px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  margin-bottom: 12px;
}

.scholar-card h3 {
  margin: 12px 0 6px;
  font-family: "Georgia", serif;
  color: #2F4F4F;
}

.scholar-card p {
  margin: 0;
  font-size: 0.95rem;
  color: #444;
  line-height: 1.4;
}

/* --- Scholars Section Wrapper (no left border) --- */

.scholars-section {
  background-color: #FFFFFF;
  padding: 30px 24px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  margin-bottom: 40px;
}

.scholars-section h2 {
  margin-top: 0;
  text-align: center;
  font-family: "Georgia", serif;
  color: #2F4F4F;
}

.scholars-section p {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 20px;
  color: #555;
}


/* ---------------------------------------------------
   GRID LAYOUTS
--------------------------------------------------- */

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 800px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* ---------------------------------------------------
   BAND SECTION (full-width highlight)
--------------------------------------------------- */

.band {
  background-color: #F0ECF6;
  padding: 50px 30px;
  border-top: 2px solid #BCAFC9;
  border-bottom: 2px solid #BCAFC9;
  margin: 50px 0;
  text-align: center;
}

.band h2 {
  font-family: "Georgia", serif;
  margin-top: 0;
}

/* ---------------------------------------------------
   ACCORDION
--------------------------------------------------- */

.accordion-item {
  background-color: #FFFFFF;
  border-left: 6px solid #BCAFC9;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(47, 79, 79, 0.08);
}

.accordion-header {
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  background-color: #F7F4FB;
}

.accordion-content {
  display: none;
  padding: 20px 24px;
}

/* ---------------------------------------------------
   BUTTONS (e.g., Artifact link)
--------------------------------------------------- */

.btn {
  display: inline-block;
  background-color: #BCAFC9;
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: 6px;
  font-weight: bold;
  text-decoration: none;
  margin-top: 10px;
  transition: 0.2s ease;
}

.btn:hover {
  background-color: #A79AB9;
}

/* --- PDF Button --- */

.pdf-button {
  display: inline-block;
  padding: 12px 22px;
  background-color: #BCAFC9;        /* muted lavender-gray */
  color: #2F4F4F;                   /* dark slate gray text */
  font-weight: bold;
  border-radius: 6px;
  text-decoration: none;
  border: 2px solid #8F86A1;        /* slightly deeper lavender-gray */
  transition: all 0.25s ease;
  font-size: 0.95rem;
}

.pdf-button:hover {
  background-color: #D9D3E2;        /* lighter lavender-gray */
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  transform: translateY(-2px);
}

.pdf-button:active {
  transform: translateY(0);
  box-shadow: none;
}

/* ----- Global section spacing ----- */
section {
  margin-bottom: 40px;
}

/* ----- Soft Divider Line ----- */
.soft-divider {
  border: none;
  border-top: 1px solid #DAD4E2; /* muted lavender-gray */
  margin: 40px 0;                /* space above & below the line */
}

/* ----- Profile Card (Homepage) ----- */

.profile-card {
  text-align: center;
}

.profile-photo {
  max-width: 280px;                /* slightly larger, responsive */
  width: 100%;
  height: auto;
  border-radius: 50%;              /* circular portrait */
  object-fit: cover;
  border: 4px solid #DAD4E2;       /* muted lavender-gray */
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  margin-bottom: 12px;
}

.profile-photo:hover {
  transform: scale(1.03);
  transition: 0.25s ease;
}

.profile-card h3 {
  margin-top: 12px;
  font-family: "Georgia", serif;
  color: #2F4F4F;
}

.profile-card p {
  font-size: 0.95rem;
  color: #555;
}

/* ----- IDT Trends List Styling ----- */

.trends-list {
  margin-top: 12px;
  padding-left: 20px;
  color: #444;
}

.trends-list li {
  margin-bottom: 12px;
  line-height: 1.55;
  padding-left: 4px;
  position: relative;
}

/* custom lavender bullet that matches your theme */
.trends-list li::before {
  content: "•";
  color: #BCAFC9; /* muted lavender-gray */
  font-weight: bold;
  position: absolute;
  left: -14px;
  top: 0;
}

/* ----- IDT Timeline Image Styling ----- */

.idt-timeline-wrapper {
  max-width: 900px;            /* keeps it from becoming too wide */
  margin: 30px auto 0;         /* centers and adds spacing */
  text-align: center;
}

.idt-timeline-image {
  width: 100%;                 /* responsive scaling */
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  border: 2px solid #DAD4E2;   /* matches your muted lavender-gray theme */
}

.idt-timeline-wrapper {
  position: relative;
}

.idt-timeline-wrapper::after {
  content: "";
  position: absolute;
  width: 90%;
  height: 15px;
  left: 5%;
  bottom: -10px;
  background: radial-gradient(rgba(0,0,0,0.18), transparent);
  border-radius: 50%;
  filter: blur(4px);
}

/* ----- References Accordion ----- */

.references-accordion {
  background-color: #FFFFFF;
  border-left: 6px solid #BCAFC9; /* muted lavender-gray */
  padding: 20px 24px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  margin-bottom: 40px;
}

.references-accordion summary {
  font-family: "Georgia", serif;
  font-size: 1.2rem;
  font-weight: bold;
  color: #2F4F4F;
  cursor: pointer;
  outline: none;
  list-style: none;
  padding: 6px 0;
  transition: color 0.2s ease;
}

.references-accordion summary:hover {
  color: #6B5E74; /* deeper muted lavender */
}

.references-accordion[open] summary {
  color: #6B5E74;
}

.reference-list {
  margin-top: 16px;
  padding-left: 24px;
  line-height: 1.6;
}

.reference-list li {
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: #444;
}




/* ---------------------------------------------------
   FOOTER
--------------------------------------------------- */

.site-footer {
  text-align: center;
  padding: 16px;
  font-size: 0.8rem;
  color: #555;
  background-color: #F5F1FA;
  border-top: 2px solid #BCAFC9;
}