/* --------------------------------------------------------------
Global Styles 
---------------------------------------------------------------*/
html {
    scroll-behavior: smooth;
  }

body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  background-color: #ffffff;
}

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

h2 {
  margin-top: 0;
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

section h2 {
  animation: fadeIn 1s ease-out forwards;
  opacity: 0;
  animation-delay: 0.2s;
}

/*--------------------------------------------------------------
Header & Navigation
--------------------------------------------------------------*/
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  height: 80px;
  background-color: #f2f2f2;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  height: 60px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  margin-left: auto;
}

.nav-toggle span {
  height: 3px;
  width: 25px;
  background: #333;
  margin: 4px 0;
  transition: 0.4s;
}

.navigation ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navigation li {
  margin-left: 20px;
}

.navigation a {
  color: #333;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s;
}

.navigation a:hover {
  color: #1e90ff;
}

/*--------------------------------------------------------------
About Section
--------------------------------------------------------------*/
.about-section {
  background-color: #1e90ff;
  color: white;
  padding: 60px 20px;
  clip-path: polygon(0 0, 100% 5%, 100% 100%, 0 95%);
}

.about-container {
  max-width: 1100px;
  margin: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
}

.about-img {
  flex: 1;
  border-radius: 10px;
  max-width: 400px;
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.about-text h1 {
  font-size: 36px;
  margin: 0;
  color: white;
}

.about-text .subtitle {
  font-size: 18px;
  margin-bottom: 20px;
  color: #f0f0f0;
}

.about-text {
  flex: 2;
}

/*--------------------------------------------------------------
Research Section
--------------------------------------------------------------*/
.research-section {
  padding: 60px 20px;
  background: #f2f2f2;
  text-align: center;
}

.research-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.carousel-container {
  position: relative;
  max-width: 1100px;
  margin: auto;
  overflow: hidden;
}

.carousel {
  display: flex;
  overflow-x: auto;
  scroll-behavior: smooth;
  gap: 20px;
  padding: 20px 0;
  scroll-snap-type: x mandatory;
  justify-content: center;
}

.card {
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 10px;
  text-align: left;
  transition: transform 0.3s, flex-basis 0.3s ease; /* smooth size change */
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  flex: 0 0 300px; /* default width */
}

.read-more-container {
  margin-top: auto;
  display: flex;
  justify-content: flex-end;
}

.read-more-btn {
  padding: 6px 12px;
  background-color: #007BFF;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-size: 0.9rem;
  transition: background-color 0.3s ease;
}

.read-more-btn:hover {
  background-color: #0056b3;
}


.card:hover {
  transform: scale(1.03);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: #24242448;
  color: #1e90ff;
  border: none;
  padding: 10px 15px;
  cursor: pointer;
  z-index: 1;
}

.carousel-btn.left {
  left: 0;
  display: none;
}

.carousel-btn.right {
  right: 0;
}

/*--------------------------------------------------------------
# Resume Section
--------------------------------------------------------------*/
.resume-section {
  padding: 60px 20px;
  background-color: #ffffff;
  color: #000000;
}

.resume-container {
  max-width: 1100px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.resume-title {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 20px;
  border-bottom: 2px solid #1e90ff;
  padding-bottom: 10px;
  color: #1e90ff;
}

.resume-item {
  position: relative;
  padding: 0 0 30px 30px;
  border-left: 2px solid #1e90ff;
  margin-left: 10px;
}

.resume-item::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  left: -9px;
  top: 0;
  background: #ffffff;
  border: 2px solid #1e90ff;
}

.resume-item h4 {
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: #333;
}

.resume-item h5 {
  font-size: 14px;
  background: #1e90ff;
  color: #fff;
  padding: 4px 10px;
  display: inline-block;
  font-weight: 600;
  margin-bottom: 10px;
  border-radius: 3px;
}

.resume-item p em {
  font-style: italic;
  color: #555;
}

.resume-item ul {
  list-style: disc;
  padding-left: 20px;
  margin: 0;
}

.resume-item ul li {
  margin-bottom: 8px;
}

/*--------------------------------------------------------------
Contact Section
--------------------------------------------------------------*/
.contact-section {
  padding: 60px 20px;
  background-color: #f2f2f2;
  text-align: center;
}

.contact-container {
  max-width: 1100px;
  margin: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 40px;
  align-items: flex-start;
}

.contact-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: left;
  font-size: 16px;
}

.contact-info i {
  color: #1e90ff;
  margin-right: 10px;
  font-size: 18px;
  display: inline-block;
  width: 30px;
  height: 30px;
  margin-right: 10px;
}

.contact-form {
  flex: 2;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.contact-form input,
.contact-form textarea {
  padding: 12px;
  border-radius: 5px;
  border: 1px solid #ccc;
  font-size: 16px;
  width: 100%;
}

.contact-form button {
  background-color: #1e90ff;
  color: white;
  border: none;
  padding: 12px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 30px;
  width: fit-content;
  align-self: center;
  padding: 10px 25px;
}

.contact-form button:hover {
  background-color: #167ac6;
}

.form-status {
    text-align: center;
    margin-top: 10px;
    font-weight: 500;
  }
  .contact-info p i {
    color: #1e90ff;
    margin-right: 10px;
  }

.spinner {
  width: 16px;
  height: 16px;
  border: 3px solid #fff;
  border-top: 3px solid #1e90ff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: 10px;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

button.sending .spinner {
  display: inline-block;
}

button.sending .btn-text {
  display: none;
}


/*--------------------------------------------------------------
Footer 
--------------------------------------------------------------*/
footer {
  background-color: #f2f2f2;
  padding: 20px;
  text-align: center;
  font-size: 14px;
  color: #555;
}

/*--------------------------------------------------------------
Responsive 
--------------------------------------------------------------*/
@media (max-width: 768px) {
  .about-container,
  .contact-container,
  .resume-container {
    flex-direction: column;
    align-items: center;
  }

  /* About Section */
  .about-container {
    flex-direction: column-reverse;
  }

  .about-img {
    max-width: 80%;
    height: auto;
  }

  .about-text {
    padding: 0 15px;
    text-align: center;
  }

  .about-text h1 {
    font-size: 28px;
    text-align: center;
  }

  .about-text .subtitle {
    font-size: 16px;
    text-align: center;
  }

  /* Navbar Toggle */
  .navigation {
    position: absolute;
    top: 80px;
    right: 0;
    width: 100%;
    background-color: #f2f2f2;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    display: none;
    flex-direction: column;
  }
  
  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .navigation.active {
    display: flex;
  }

  .navigation ul {
    flex-direction: column;
    padding: 10px 20px;
  }

  .navigation li {
    margin: 10px 0;
    text-align: right;
  }

  /* Contact Form */
  .contact-info {
    text-align: center;
    padding: 0 20px;
  }

  .contact-form {
    width: 50%;
    padding: 0 20px;
  }

  /* Carousel Cards */
  .carousel {
    gap: 15px;
    padding: 10px 0;
  }

  .card {
    flex: 0 0 85%;
  }

  /* Resume Section Columns */
  .resume-container {
    grid-template-columns: 1fr;
  }

  /* Font Adjustments */
  h2 {
    font-size: 22px;
  }

  .resume-title {
    font-size: 20px;
  }

  .resume-item h4 {
    font-size: 16px;
  }

  .resume-item h5 {
    font-size: 13px;
  }

  /* Buttons & Touch Targets */
  .carousel-btn {
    padding: 8px 12px;
  }

  .contact-form button {
    font-size: 15px;
    padding: 10px 20px;
  }
}