/* ===================== GLOBAL ===================== */
body {
  margin: 0;
  font-family: "Roboto", "Inter", sans-serif;
  color: #1C1E53;
  background-color: #4F65E9;
}

.final_design {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px;
  background-color: #4F65E9;
  box-sizing: border-box;
}

/* ===================== NAVBAR ===================== */
.navbar {
  background-color: #FFFFFF;
  box-shadow: 0px 5.33px 80px rgba(0, 0, 0, 0.1);
  width: 100%;
  box-sizing: border-box;

  /* Remove fixed height to avoid padding conflict */
  padding: 12px 20px;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
}

.navbar .nav-links {
  display: flex;
  gap: 50px;
  align-items: center;
}

.navbar .nav-link {
  font-family: "Roboto", sans-serif;
  font-weight: 400;
  font-size: 21.33px;
  line-height: 1.5em;
  text-align: left;
  color: #1C1E53;
  text-decoration: none;
}
html {
  scroll-behavior: smooth;
}
.navbar .nav-link:first-child {
  color: #5E3BEE;
}

.button {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10.67px;
  padding: 10px 10px;
  width: 170.67px;
  border-radius: 5.33px;
  text-decoration: none;
  font-family: "Roboto", sans-serif;
  font-weight: 400;
  font-size: 21.33px;
  line-height: 1.5em;
  box-sizing: border-box;
}

.contact-button {
  border: 1.33px solid #5E3BEE;
}

.contact-button .nav-link {
  color: #5E3BEE;
}

/* ===================== HERO ===================== */
.hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;

  padding: 20px;
  width: 100%;
  background-color: #4F65E9;
  box-sizing: border-box;
}
.hero-message .highlight {
  color: #FFD700;   /* Yellow (Gold) */
}

/* Make responsive: avoid fixed width */
.hero_content {
  flex: 1;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.hero_content h1 {
  font-family: "Roboto", sans-serif;
  font-weight: 600;
  font-size: 40px;
  line-height: 1.5em;
  text-align: left;
  color: #FFFFFF;
  margin: 0;
}

/* Remove fixed height to avoid weird spacing */
.hero-message {
  font-family: "Roboto", sans-serif;
  font-weight: 700;
  font-size: 55px;
  line-height: 1.2em;
  text-align: left;
  color: #FFFFFF;
  margin: 0;
  height: auto;
}

.hero-experience {
  font-family: "Roboto", sans-serif;
  font-weight: 400;
  font-size: 32px;
  line-height: 1.5em;
  text-align: left;
  color: #1C1E53;
  margin: 0;
  width: 100%;
  max-width: 732px;
}

/* Make image responsive */
.hero-image {
  width: 524px;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===================== EXPERIENCE ===================== */
.experience-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  padding: 10px 10px;
  width: 100%;
  background-color: #4F65E9;
  box-sizing: border-box;
}

.experience_tiles {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;

  /* Fix: remove hard width */
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  box-sizing: border-box;
}

.experience_contents h2 {
  font-family: "Roboto", sans-serif;
  font-weight: 700;
  font-size: 64px;
  line-height: 1.2em;
  text-align: left;
  color: #FFFFFF;
  margin: 0;
}

.experience_cards {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 20px;
  width: 100%;
  flex-wrap: wrap;
}

.experience_card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px;
  background-color: #F5FCFF;
  border-radius: 10px;

  flex: 1;
  min-width: 240px;
  box-sizing: border-box;
}

.experience_card:first-child {
  border-bottom: 4px solid #5E3BEE;
}

.experience_card h3 {
  font-family: "Roboto", sans-serif;
  font-weight: 700;
  font-size: 32px;
  line-height: 1.4em;
  text-align: left;
  color: #282938;
  margin: 0;
}

/* Default paragraph */
.experience_card p {
  font-family: "Roboto", sans-serif;
  font-weight: 700;
  font-size: 24px;
  line-height: 1.5em;
  text-align: left;
  color: #1C1E53;
  margin: 0;
}

/* Org/date styling */
.experience_card .org {
  font-size: 20px;
  font-weight: 600;
}

.experience_card .date {
  margin-top: 12px;
  font-size: 18px;
  font-weight: 500;
  color: #1C1E53;
  display: block;
}

/* Other cards p color override (optional) */
.experience_card:nth-child(2) p,
.experience_card:nth-child(3) p,
.experience_card:nth-child(4) p {
  color: #000000;
}

/* ===================== DIVIDER IMAGE ===================== */
.divider-image {
  width: 100%;
  height: 144px;
  object-fit: cover;
}

/* ===================== EDUCATION ===================== */
.education-section {
  display: flex;
  flex-direction: column;
  justify-content: center;

  /* Fix: align-items left is invalid */
  align-items: flex-start;

  gap: 21.33px;
  padding: 0px 20px;
  width: 100%;
  box-sizing: border-box;
}

.education_text h2 {
  font-family: "Roboto", sans-serif;
  font-weight: 700;
  font-size: 64px;
  line-height: 1.2em;
  text-align: left;
  color: #FFFFFF;
  margin: 0;
}

/* Fix: remove hard width */
.education-image {
  width: 100%;
  max-width: 1400px;
  height: auto;
  object-fit: cover;
}

/* ===================== ABOUT ===================== */
.about-section {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 50px;
  padding: 50px;
  width: 100%;
  background-color: #4F65E9;
  box-sizing: border-box;
}

.about-me-image {
  width: 452px;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.about_content {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.me h2 {
  font-family: "Roboto", sans-serif;
  font-weight: 700;
  font-size: 64px;
  line-height: 1.2em;
  text-align: left;
  color: #FFFFFF;
  margin: 0;
}

/* ✅ Keep only ONE about-description (justified + readable) */
.about-description {
  font-family: "Roboto", sans-serif;
  font-weight: 700;
  font-size: 24px;
  line-height: 1.7;
  text-align: justify;
  color: #FFFFFF;
  margin: 0;
  max-width: 760px;
  hyphens: auto;
}

/* ===================== RESEARCH PUBLICATIONS ===================== */
.research-publications-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
  width: 100%;
  box-sizing: border-box;
}

.research_content {
  width: 100%;
  max-width: 1400px;
  padding: 0 10px;
  box-sizing: border-box;
}

.research_content h2 {
  font-family: "Roboto", sans-serif;
  font-weight: 700;
  font-size: 64px;
  line-height: 1.2em;
  text-align: left;
  color: #FFFFFF;
  margin: 0;
}

/* Add max-width so grid doesn't stretch weirdly */
.publications-grid {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;

  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;

  padding: 40px 20px;
  background-color: #4F65E9;
  border-radius: 20px;
  box-sizing: border-box;
}

.publication-card {
  display: flex;
  flex-direction: row;
  gap: 16px;

  padding: 16px 20px;
  width: 100%;
  height: auto;

  background-color: #ebce59;
  border-radius: 20px;
  box-sizing: border-box;

  align-items: center;
  justify-content: flex-start;
  text-align: left;
}

.publication-card img {
  width: 168px;
  height: 203px;
  object-fit: cover;
  flex-shrink: 0;
}

/* Ensure title + journal stack with spacing */
.pub-text {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.publication-card h3 {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 18px;
  line-height: 1.3em;
  color: #0B0000;
  margin: 0;
}

.publication-card p {
  font-family: "Inter", sans-serif;
  font-weight: 800;
  font-size: 16px;
  line-height: 1.4em;
  letter-spacing: 0.02em; /* Fix: % is not valid */
  color: #130101;
  margin: 0;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .about-section {
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 20px;
  }

  .publications-grid {
    grid-template-columns: 1fr;
  }
}
/* ===== Better mobile responsiveness ===== */
@media (max-width: 600px) {

  /* Make layout padding smaller */
  .final_design {
    padding: 12px;
    gap: 14px;
  }

  /* Navbar: allow wrapping */
  .navbar .container {
    flex-wrap: wrap;
    gap: 10px;
  }

  .navbar .nav-links {
    flex-wrap: wrap;
    gap: 14px;
  }

  .navbar .nav-link {
    font-size: 16px;
  }

  .button {
    width: auto;
    padding: 8px 12px;
    font-size: 16px;
  }

  /* HERO typography scaling */
  .hero_content h1 {
    font-size: 26px;
  }

  .hero-message {
    font-size: 32px;
  }

  .hero-experience {
    font-size: 18px;
  }

  /* Section headings scaling */
  .experience_contents h2,
  .education_text h2,
  .me h2,
  .research_content h2 {
    font-size: 34px;
  }

  /* About text scaling */
  .about-description {
    font-size: 18px;
    max-width: 100%;
  }

  /* Experience card text scaling */
  .experience_card h3 {
    font-size: 22px;
  }
  .experience_card p {
    font-size: 16px;
  }
  .experience_card .org {
    font-size: 16px;
  }
  .experience_card .date {
    font-size: 14px;
  }

  /* Publications card layout */
  .publication-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .publication-card img {
    width: 140px;
    height: auto;
  }

  .publication-card h3 {
    font-size: 16px;
  }

  .publication-card p {
    font-size: 14px;
  }
}