/* ====== COLOR SYSTEM ====== */
:root {
  --navy: #1d2d44;
  --navy-light: #2c3e50;
  --gold: #c8a356;
  --light: #f9fafc;
  --text: #2c3e50;
  --muted: #6c757d;
  --white: #ffffff;
}

/* ====== GLOBAL STYLES ====== */
* {
  box-sizing: border-box;
}

body {
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--light);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

/* Smooth transitions for color/hover effects */
a, button, nav a, .chart-container {
  transition: all 0.3s ease;
}

/* ====== HEADER ====== */
header {
  background: var(--navy);
  color: white;
  text-align: center;
  padding: 0;
  border-bottom: 4px solid var(--gold);
}

header img.banner {
  width: 100%;
  max-height: 160px;
  object-fit: contain;
  object-position: center;
  display: block;
  background-color: var(--navy);
}

header p {
  font-size: 1.1rem;
  color: #e6e6e6;
  margin: 15px auto 25px;
  max-width: 800px;
  font-weight: 300;
}

/* ====== NAVIGATION ====== */
nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  background-color: var(--navy-light);
  padding: 12px 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  margin: 0 18px;
  font-size: 1rem;
  position: relative;
}

nav a::after {
  content: "";
  display: block;
  height: 2px;
  width: 0%;
  background-color: var(--gold);
  transition: width 0.3s;
  margin: auto;
}

nav a:hover {
  color: var(--gold);
}

nav a:hover::after {
  width: 100%;
}

/* ====== MAIN CONTENT ====== */
.content {
  padding: 60px 20px;
  max-width: 1100px;
  margin: auto;
}

.content h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 25px;
  color: var(--navy);
  font-weight: 600;
}

.content p {
  text-align: justify;
  max-width: 850px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.05rem;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 40px;
}

.chart-container {
  background-color: var(--white);
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border-top: 3px solid var(--gold);
}

.chart-container h3 {
  margin-top: 0;
  color: var(--navy);
  font-weight: 600;
  font-size: 1.15rem;
}

.chart-container:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

iframe {
  width: 100%;
  height: 450px;
  border: none;
  border-radius: 8px;
  margin-top: 10px;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
  iframe {
    height: 400px;
  }
}

/* ====== ABOUT SECTION ====== */
.about {
  background: linear-gradient(180deg, var(--navy) 0%, #25364f 100%);
  color: white;
  padding: 80px 20px;
  text-align: center;
  margin-top: 80px;
  border-top: 4px solid var(--gold);
}

.about img {
  width: 120px;
  height: auto;
  margin-bottom: 25px;
}

.about h2 {
  color: var(--gold);
  font-size: 2rem;
  margin-bottom: 20px;
  font-weight: 600;
}

.about p {
  max-width: 700px;
  margin: 0 auto;
  color: #eaeaea;
  font-size: 1.1rem;
  line-height: 1.8;
  font-weight: 300;
}

/* ====== FOOTER ====== */
footer {
  background-color: var(--navy);
  color: #e2e6ea;
  text-align: center;
  padding: 30px 15px;
  font-size: 0.95rem;
  border-top: 2px solid var(--gold);
}

footer img {
  width: 45px;
  height: auto;
  vertical-align: middle;
  margin-right: 8px;
  opacity: 0.9;
}

footer span {
  color: var(--gold);
}

/* ====== RESPONSIVE FONTS ====== */
@media (max-width: 768px) {
  header p {
    font-size: 0.95rem;
  }

  .content {
    padding: 40px 15px;
  }

  .content h2 {
    font-size: 1.6rem;
  }

  .about {
    padding: 60px 15px;
  }

  .about h2 {
    font-size: 1.6rem;
  }
}

/* ====== BUTTONS ====== */
.buttons {
  text-align: center;
  margin-top: 40px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
}

.button {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.button.primary {
  background-color: var(--gold);
  color: var(--navy);
}

.button.primary:hover {
  background-color: #e0b96b;
  transform: translateY(-2px);
}

.button.secondary {
  background-color: var(--navy);
  color: var(--gold);
  border: 1.5px solid var(--gold);
}

.button.secondary:hover {
  background-color: var(--gold);
  color: var(--navy);
  transform: translateY(-2px);
}

/* ====== ABOUT PAGE ====== */
.about-page {
  max-width: 1000px;
  margin: 60px auto;
  padding: 0 20px;
}

.about-page h1 {
  text-align: center;
  color: var(--navy);
  font-size: 2.3rem;
  margin-bottom: 10px;
  font-weight: 600;
}

.about-page .intro {
  text-align: justify;
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 850px;
  margin: 20px auto 40px;
}

.about-page h2 {
  color: var(--navy);
  margin-top: 40px;
  margin-bottom: 10px;
  font-size: 1.4rem;
  border-left: 4px solid var(--gold);
  padding-left: 10px;
}

.about-page p {
  text-align: justify;
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ====== TEAM GRID ====== */
.team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
}

.team-member {
  text-align: center;
  background-color: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
  transition: transform 0.25s;
}

.team-member:hover {
  transform: translateY(-5px);
}

.team-member img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 15px;
  border: 3px solid var(--gold);
}

.team-member h3 {
  color: var(--navy);
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.team-member p {
  font-size: 0.95rem;
  color: var(--muted);
}

/* ====== CONTACT ====== */
.contact {
  margin-top: 60px;
  text-align: center;
}

.contact a {
  color: var(--gold);
  text-decoration: none;
  font-weight: 500;
}

.contact a:hover {
  text-decoration: underline;
}

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

/* ====== TEAM PROFILES (with photos side by side) ====== */
.team-grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-top: 40px;
}

.team-member {
  background-color: white;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  transition: transform 0.25s ease;
}

.team-member:hover {
  transform: translateY(-4px);
}

.profile {
  display: flex;
  align-items: center;
  gap: 25px;
  flex-wrap: wrap;
}

.profile img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--gold);
  flex-shrink: 0;
}

.profile .bio {
  flex: 1;
  min-width: 250px;
}

.profile .bio h3 {
  color: var(--navy);
  margin: 0 0 8px;
  font-size: 1.3rem;
}

.profile .bio p {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 8px;
}

.profile .email {
  color: var(--gold);
  text-decoration: none;
  font-weight: 500;
}

.profile .email:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .profile {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .profile img {
    width: 130px;
    height: 130px;
  }

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

/* ====== TEAM PROFILES (clickable cards) ====== */
.team-grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-top: 40px;
}

.team-member {
  background-color: white;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  text-decoration: none;
  color: inherit;
}

.team-member:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.1);
}

.profile {
  display: flex;
  align-items: center;
  gap: 25px;
  flex-wrap: wrap;
}

.profile img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--gold);
  flex-shrink: 0;
}

.profile .bio {
  flex: 1;
  min-width: 250px;
}

.profile .bio h3 {
  color: var(--navy);
  margin: 0 0 8px;
  font-size: 1.3rem;
}

.profile .bio p {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 8px;
}

.profile .email {
  color: var(--gold);
  font-weight: 500;
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .profile {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .profile img {
    width: 130px;
    height: 130px;
  }

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

/* ====== IMAGE CONTAINERS (Methodology page) ====== */
.image-container {
  text-align: center;
  margin: 25px auto;
}

.image-container img {
  max-width: 80%;       /* scales the image nicely for most screens */
  height: auto;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease;
}

.image-container img:hover {
  transform: scale(1.02);  /* small zoom on hover, optional */
}

@media (max-width: 900px) {
  .image-container img {
    max-width: 95%;       /* more room on smaller screens */
  }
}