/* ===== GOOGLE FONTS ===== */
@import url("https://fonts.googleapis.com/css2?family=Raleway:wght@400;500;600;700&display=swap");

/* ===== VARIABLES CSS ===== */
:root {
  --header-height: 3rem;
  --font-semi: 600;
  --primary-color: #0066cc;
  --secondary-color: #9c27b0;
  --accent-color: #ff6b6b;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: var(--header-height) 0 0 0;
  font-family: "Raleway", sans-serif;
  font-size: 0.9rem;
  color: #404040;
  background: #fafafa;
  overflow-x: hidden;
}

h1,
h2,
p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

/* ===== CLASS CSS ===== */
.section {
  padding: 4rem 0;
}

.section-title {
  position: relative;
  font-size: 2rem;
  color: #1a1a1a;
  margin-top: 0;
  margin-bottom: 2rem;
  text-align: center;
  font-weight: 700;
}

.section-title::after {
  content: "";
  position: absolute;
  width: 4rem;
  height: 0.3rem;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  top: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
}

.bd-grid {
  max-width: 1200px;
  display: grid;
  grid-template-columns: 1fr;
  grid-column-gap: 2rem;
  width: calc(100% - 2rem);
  margin-left: 1rem;
  margin-right: 1rem;
}

/* ===== HEADER ===== */
.l-header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ===== NAV ===== */
.nav {
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: var(--font-semi);
}

.nav__logo-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 1.5rem;
}

.nav__logo {
  color: var(--primary-color);
  font-weight: 700;
  font-size: 1.3rem;
}

.nav__menu {
  display: flex;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__item {
  position: relative;
}

.nav__link {
  color: #404040;
  transition: color 0.3s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.nav__link:hover,
.nav__link.active-link {
  color: var(--primary-color);
  font-weight: 700;
}

.nav__toggle {
  color: var(--primary-color);
  font-size: 1.5rem;
  cursor: pointer;
  display: none;
  transition: transform 0.3s;
}

.nav__toggle.show {
  transform: rotate(90deg);
}

/* ===== HOME ===== */
.home {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 8rem 0;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.home__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  width: calc(100% - 4rem) !important;
  max-width: 1200px;
  margin-left: auto !important;
  margin-right: auto !important;
  padding: 0;
}

.home__data {
  animation: fadeIn 0.8s ease-out;
}

.home__title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.home__title-color {
  color: #ffd700;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.home__subtitle {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.home__buttons {
  display: flex;
  gap: 1rem;
}

.button {
  padding: 0.75rem 1.5rem;
  border-radius: 0.25rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s;
  display: inline-block;
}

.button--primary {
  background: linear-gradient(90deg, #667eea, #764ba2);
  color: white;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.button--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.home__social {
  display: flex;
  gap: 2rem;
  justify-content: center;
  animation: slideInRight 1s ease-out;
}

.home__social-icon {
  font-size: 2rem;
  color: white;
  transition: all 0.3s;
  cursor: pointer;
}

.home__social-icon:hover {
  transform: scale(1.2) translateY(-5px);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

/* ===== ABOUT ===== */
.about {
  background: white;
}

.about__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about__img-wrapper {
  text-align: center;
}

.about__img {
  width: 100%;
  max-width: 350px;
  height: auto;
  border-radius: 50%;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s;
}

.about__img:hover {
  transform: scale(1.05);
}

.about__subtitle {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-weight: 600;
}

.about__text {
  color: #666;
  line-height: 1.8;
  font-size: 1rem;
}

/* ===== EDUCATION ===== */
.education {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.education__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.education__item {
  background: white;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
}

.education__item:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.education__item h3 {
  color: var(--primary-color);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.education__item p {
  color: #666;
  line-height: 1.6;
  font-size: 0.95rem;
}

.edu-duration {
  color: var(--secondary-color);
  font-weight: 600;
  margin: 0.5rem 0;
}

/* ===== EXPERIENCE ===== */
.experience {
  background: white;
}

.experience__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.experience__item {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
}

.experience__item:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.experience__item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.experience__item p {
  font-size: 0.9rem;
  opacity: 0.9;
}

.exp-duration {
  font-weight: 600;
  opacity: 1;
  margin: 0.5rem 0;
}

/* ===== PROJECTS ===== */
.projects {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.projects__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.project-item {
  background: white;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border-left: 4px solid var(--primary-color);
  transition: all 0.3s;
}

.project-item:hover {
  transform: translateX(10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.project-item h3 {
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.project-item p {
  color: #666;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* ===== EXPERTISE ===== */
.expertise {
  background: white;
}

.expertise__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
}

.skill-item {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: 1.5rem;
  border-radius: 0.5rem;
  text-align: center;
  font-weight: 600;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.skill-item:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* ===== PUBLICATIONS ===== */
.publications {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.publications__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.publication-item {
  background: white;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
}

.publication-item:hover {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.publication-item h4 {
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.publication-item p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.publication-item a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s;
}

.publication-item a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

/* ===== CONTACT ===== */
.contact {
  background: white;
}

.contact__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact__title {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 2rem;
  font-weight: 600;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-top: 0.25rem;
}

.contact-item h4 {
  font-size: 1rem;
  color: #1a1a1a;
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.contact-item a {
  color: var(--primary-color);
  transition: color 0.3s;
}

.contact-item a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form__input {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #e0e0e0;
  border-radius: 0.25rem;
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.3s;
}

.form__input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form__textarea {
  resize: vertical;
  min-height: 150px;
}

/* ===== FOOTER ===== */
.footer {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
  padding: 3rem 0;
  position: relative;
}

.footer__title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.footer__subtitle {
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.footer__social {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.footer__icon {
  font-size: 1.5rem;
  transition: all 0.3s;
  cursor: pointer;
}

.footer__icon:hover {
  transform: scale(1.2) translateY(-5px);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.footer__copy {
  font-size: 0.8rem;
  opacity: 0.8;
}

/* ===== GO TO TOP ===== */
.scrollTop {
  position: fixed;
  right: 2rem;
  bottom: 2rem;
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
  transform: translateY(10px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  z-index: 999;
}

.scrollTop:hover {
  transform: translateY(0) scale(1.1);
}

.scrollTop.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== MEDIA QUERIES ===== */
@media screen and (max-width: 968px) {
  .bd-grid {
    grid-template-columns: 1fr;
  }

  .home__container,
  .about__container,
  .contact__container {
    grid-template-columns: 1fr;
  }

  .home {
    padding: 6rem 0;
  }

  .home__title {
    font-size: 2.5rem;
  }

  .home__subtitle {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .nav__menu {
    position: fixed;
    left: -100%;
    top: var(--header-height);
    flex-direction: column;
    background-color: #fff;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding: 2rem 0;
    z-index: 99;
  }

  .nav__menu.show {
    left: 0;
  }

  .nav__list {
    flex-direction: column;
    gap: 1.5rem;
  }

  .nav__toggle {
    display: block;
  }

  .nav__item {
    animation: slideDown forwards;
  }

  .nav__item:nth-child(1) {
    animation-delay: 0.05s;
  }
  .nav__item:nth-child(2) {
    animation-delay: 0.1s;
  }
  .nav__item:nth-child(3) {
    animation-delay: 0.15s;
  }
  .nav__item:nth-child(4) {
    animation-delay: 0.2s;
  }
  .nav__item:nth-child(5) {
    animation-delay: 0.25s;
  }
  .nav__item:nth-child(6) {
    animation-delay: 0.3s;
  }
  .nav__item:nth-child(7) {
    animation-delay: 0.35s;
  }
  .nav__item:nth-child(8) {
    animation-delay: 0.4s;
  }
}

@media screen and (max-width: 768px) {
  body {
    margin: 2.5rem 0 0 0;
  }

  --header-height: 2.5rem;

  .home__title {
    font-size: 2rem;
  }

  .home__buttons {
    flex-direction: column;
  }

  .button {
    width: 100%;
    text-align: center;
  }

  .home__tagline {
    font-size: 0.95rem;
    margin: 2rem 0;
    padding: 1.5rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .scrollTop {
    right: 1rem;
    bottom: 1rem;
    width: 2.5rem;
    height: 2.5rem;
  }
}

@media screen and (max-width: 480px) {
  .bd-grid {
    width: calc(100% - 1rem);
    margin-left: 0.5rem;
    margin-right: 0.5rem;
  }

  .home__title {
    font-size: 1.5rem;
  }

  .home__subtitle {
    font-size: 1rem;
  }

  .home__tagline {
    font-size: 0.85rem;
    margin: 1.5rem 0;
    padding: 1rem;
    border-radius: 6px;
  }

  .nav__logo {
    font-size: 1rem;
  }

  .nav__link {
    font-size: 0.85rem;
  }

  .section-title {
    font-size: 1.3rem;
  }

  .contact__container {
    gap: 1.5rem;
  }

  .form__input {
    font-size: 0.9rem;
  }

  .about__img {
    max-width: 250px;
  }
}

/* ===== ENHANCED HOME SECTION ===== */
.home__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.home__greeting {
  font-size: 1rem;
  color: var(--secondary-color);
  font-weight: 600;
  display: block;
  margin-bottom: 0.5rem;
}

.home__name {
  display: block;
}

.home__description {
  font-size: 1rem;
  margin: 1.5rem 0;
  line-height: 1.6;
  color: #606060;
}

.home__tagline {
  font-size: 1.1rem;
  margin: 2.5rem 0;
  line-height: 1.8;
  color: var(--accent-color);
  font-style: italic;
  text-align: center;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: 2rem 0;
  border-top: 2px solid rgba(255, 107, 107, 0.2);
  border-bottom: 2px solid rgba(255, 107, 107, 0.2);
  background: rgba(255, 107, 107, 0.05);
  border-radius: 8px;
}

/* HOME STATS */
.home__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.stat-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, #e8f2ff 0%, #f0e6ff 100%);
  border-radius: 10px;
  border-left: 4px solid var(--primary-color);
  transition: all 0.3s ease;
}

.stat-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-icon {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-box h4 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #000;
  margin: 0.5rem 0 0.3rem 0;
}

.stat-box p {
  font-size: 0.85rem;
  color: #666;
}

/* HOME BUTTONS */
.home__buttons {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.button--secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  transition: all 0.3s ease;
}

.button--secondary:hover {
  background: var(--primary-color);
  color: #fff;
}

/* HOME ILLUSTRATION */
.home__img-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.home__illustration {
  position: relative;
}

.home__img {
  width: 300px;
  height: 300px;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

/* SCROLL INDICATOR */
.scroll-indicator {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  animation: bounce 2s infinite;
}

.scroll-indicator p {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.scroll-indicator i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* HIGHLIGHTS SECTION */
.highlights {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: 3rem 0;
  margin: 2rem 0;
}

.highlights__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.highlight-card {
  background: #fff;
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.highlight-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.highlight-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.highlight-card h3 {
  color: #000;
  margin: 1rem 0;
  font-size: 1.1rem;
}

.highlight-card p {
  color: #666;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* EXPERTISE PREVIEW */
.expertise-preview {
  background: #f5f9ff;
  padding: 3rem 0;
}

.expertise-preview__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.competency-group {
  background: #f0f4ff;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.competency-title {
  color: var(--primary-color);
  font-size: 1rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.competency-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.competency-badge {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.85rem;
  white-space: nowrap;
}

.competency-cta {
  text-align: center;
}

/* FEATURED PROJECTS */
.featured-projects {
  padding: 3rem 0;
}

.featured-projects__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.featured-project-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.featured-project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.project-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--accent-color);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  z-index: 10;
}

.project-icon {
  font-size: 3rem;
  text-align: center;
  padding: 2rem 1rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
}

.featured-project-card h3 {
  padding: 1.5rem 1.5rem 0.5rem 1.5rem;
  color: #000;
  font-size: 1.1rem;
}

.project-subtitle {
  padding: 0 1.5rem;
  color: var(--secondary-color);
  font-size: 0.9rem;
  font-weight: 600;
}

.featured-project-card p {
  padding: 0.5rem 1.5rem;
  color: #666;
  font-size: 0.9rem;
}

.project-award {
  display: block;
  padding: 0.5rem 1.5rem 1.5rem 1.5rem;
  color: var(--accent-color);
  font-weight: 600;
}

.featured-projects-cta {
  text-align: center;
}

/* CTA SECTION */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  padding: 4rem 2rem;
  text-align: center;
  border-radius: 10px;
  margin: 3rem 0;
}

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

.cta__container p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.button--large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* ===== PAGE TITLE STYLES ===== */
.section__header {
  text-align: center;
  margin-bottom: 3rem;
  padding-top: 2rem;
}

.page-title {
  font-size: 2.5rem;
  color: #000;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.page-title i {
  color: var(--primary-color);
}

.page-subtitle {
  font-size: 1.1rem;
  color: #666;
}

/* ===== ABOUT PAGE ===== */
.about__content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.about-section {
  background: #f8f9fa;
  padding: 2rem;
  border-radius: 10px;
  border-left: 4px solid var(--primary-color);
}

.about-section__title {
  color: #000;
  font-size: 1.3rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.interests-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.interest-item {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  padding: 1rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.highlights-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.highlight-item {
  text-align: center;
  padding: 1.5rem;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.highlight-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
}

.about-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

/* ===== EDUCATION PAGE ===== */
.education__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.education-card {
  background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
  padding: 2.5rem;
  border-radius: 10px;
  border-left: 5px solid var(--primary-color);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  position: relative;
}

.education-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.education-card__badge {
  position: absolute;
  top: 15px;
  right: 15px;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.education-card__badge.doctoral {
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  color: #fff;
}

.education-card__badge.masters {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
}

.education-card__badge.bachelors {
  background: #26d0ce;
  color: #fff;
}

.education-card__icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.education-card__title {
  font-size: 1.3rem;
  color: #000;
  margin-bottom: 0.5rem;
}

.education-card__institution {
  color: #666;
  font-size: 0.95rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.education-card__timeline {
  color: var(--secondary-color);
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.education-card__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1rem 0;
  padding: 1rem 0;
  border-top: 1px solid #e0e0e0;
  border-bottom: 1px solid #e0e0e0;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-label {
  font-size: 0.8rem;
  color: #999;
  text-transform: uppercase;
}

.stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
}

.education-card__description {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* COURSEWORK HIGHLIGHTS */
.coursework-highlights {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e0e0e0;
}

.coursework-title {
  color: var(--primary-color);
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.coursework-fields {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.coursework-input {
  width: 100%;
  padding: 0.6rem 1rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.9rem;
  font-family: "Raleway", sans-serif;
  color: #333;
  transition: all 0.3s ease;
}

.coursework-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.coursework-input::placeholder {
  color: #999;
}

/* EDUCATION JOURNEY */
.education-summary {
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.05), rgba(156, 39, 176, 0.05));
  padding: 3rem 2rem;
  border-radius: 10px;
  margin-top: 3rem;
}

.summary-title {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1.5rem;
  color: #000;
}

.journey-timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.journey-item {
  background: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.journey-year {
  color: var(--primary-color);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.journey-description h4 {
  color: #000;
  margin: 0.5rem 0;
}

.journey-description p {
  color: #666;
  font-size: 0.95rem;
}

.journey-arrow {
  text-align: center;
  color: var(--secondary-color);
  font-size: 1.5rem;
}


/* ===== EXPERIENCE PAGE ===== */
.experience-card {
  background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
  padding: 2.5rem;
  border-radius: 10px;
  border-left: 5px solid var(--primary-color);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.experience-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.experience-card__header {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.experience-card__icon {
  font-size: 2.5rem;
  color: var(--primary-color);
}

.experience-card__position {
  font-size: 1.3rem;
  color: #000;
  margin: 0 0 0.5rem 0;
}

.experience-card__company {
  color: #666;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.experience-card__details {
  display: flex;
  gap: 2rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #e0e0e0;
  flex-wrap: wrap;
}

.experience-card__timeline,
.experience-card__duration {
  color: var(--secondary-color);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.experience-card__description {
  color: #666;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.skills-title {
  color: #000;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.skill-tag {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.experience-card__highlight {
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(156, 39, 176, 0.1));
  padding: 1rem;
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
  color: #333;
  font-style: italic;
  font-size: 0.95rem;
}

.current-focus {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: 3rem 2rem;
  border-radius: 10px;
  margin: 3rem 0;
}

.focus-title {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1.5rem;
  color: #000;
}

.focus-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.focus-item {
  background: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.focus-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.focus-item h4 {
  color: #000;
  margin-bottom: 0.5rem;
}

.focus-item p {
  color: #666;
  font-size: 0.9rem;
}

.experience-skills {
  background: #f8f9fa;
  padding: 3rem 2rem;
  border-radius: 10px;
  margin: 3rem 0;
}

.skills-section-title {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1.5rem;
  color: #000;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.skill-category {
  background: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.skill-category h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.category-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.category-skills span {
  background: var(--primary-color);
  color: #fff;
  padding: 0.4rem 0.8rem;
  border-radius: 5px;
  font-size: 0.85rem;
}

/* TEACHING ASSISTANTSHIP SECTION */
.teaching-assistantship {
  background: linear-gradient(135deg, #f0f8ff, #f5f0ff);
  padding: 3rem 2rem;
  border-radius: 10px;
  margin: 3rem 0;
}

.ta-section-title {
  font-size: 1.5rem;
  color: #000;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.ta-section-subtitle {
  color: #666;
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.ta-slots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.ta-slot {
  background: #fff;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border-left: 4px solid var(--primary-color);
}

.slot-period {
  color: var(--primary-color);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--primary-color);
}

.slot-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.slot-field {
  display: flex;
  flex-direction: column;
}

.slot-field label {
  color: #333;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.slot-input,
.slot-select {
  padding: 0.7rem 0.9rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.9rem;
  font-family: "Raleway", sans-serif;
  color: #333;
  transition: all 0.3s ease;
}

.slot-input:focus,
.slot-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.slot-input::placeholder {
  color: #999;
}

.slot-select {
  cursor: pointer;
}

/* ===== PROJECTS PAGE ===== */
.projects__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.project-card {
  background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
  padding: 2.5rem;
  border-radius: 10px;
  border-left: 5px solid var(--primary-color);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  position: relative;
}

.project-card.featured {
  border-left: 5px solid var(--accent-color);
  background: linear-gradient(135deg, #fff 0%, #fff5f5 100%);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.project-card__badge {
  position: absolute;
  top: 15px;
  right: 15px;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.project-card__badge.award {
  background: var(--accent-color);
  color: #fff;
}

.project-card__badge.phd {
  background: var(--secondary-color);
  color: #fff;
}

.project-card__badge.masters {
  background: var(--primary-color);
  color: #fff;
}

.project-card__icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.project-card__title {
  font-size: 1.3rem;
  color: #000;
  margin-bottom: 0.5rem;
}

.project-card__subtitle {
  color: #666;
  font-size: 0.95rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.project-card__timeline {
  color: var(--secondary-color);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-card__description {
  color: #666;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #e0e0e0;
}

.project-card__tech {
  margin-bottom: 1.5rem;
}

.project-card__tech h4 {
  color: #000;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.tech-tags span {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  padding: 0.4rem 0.8rem;
  border-radius: 15px;
  font-size: 0.85rem;
}

.achievements-list,
.highlights-list,
.learnings-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.achievements-list li,
.highlights-list li,
.learnings-list li {
  color: #666;
  margin-bottom: 0.7rem;
  padding-left: 1.5rem;
  position: relative;
}

.achievements-list li:before,
.highlights-list li:before,
.learnings-list li:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--primary-color);
  border-radius: 50%;
}

.project-card__collaborations,
.project-card__publications {
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.05), rgba(156, 39, 176, 0.05));
  padding: 1rem;
  border-radius: 8px;
  margin-top: 1rem;
}

.project-card__collaborations h4,
.project-card__publications h4 {
  color: #000;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.project-stats {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: 3rem 2rem;
  border-radius: 10px;
  margin: 3rem 0;
}

.stats-title {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1.5rem;
  color: #000;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
}

.stat-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.stat-icon {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.stat-card h4 {
  color: #000;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
}

.stat-subtitle {
  font-size: 0.85rem;
  color: #666;
  margin-top: 0.5rem;
}

/* ===== EXPERTISE PAGE ===== */
.expertise-category {
  margin-bottom: 3rem;
}

.category-header {
  margin-bottom: 2rem;
}

.category-title {
  font-size: 1.5rem;
  color: #000;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.category-title i {
  color: var(--primary-color);
}

.category-subtitle {
  color: #666;
  font-size: 0.95rem;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.skill-card {
  background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
  padding: 2rem;
  border-radius: 10px;
  border-top: 4px solid var(--primary-color);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  text-align: center;
}

.skill-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.skill-card__icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.skill-card h3 {
  color: #000;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.skill-card__level {
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: 15px;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.skill-card__level.expert {
  background: linear-gradient(135deg, var(--accent-color), #ff8a80);
  color: #fff;
}

.skill-card__level.advanced {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
}

.skill-card__level.intermediate {
  background: #26d0ce;
  color: #fff;
}

.skill-card__description {
  color: #666;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.skill-card__tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.tool-tag {
  background: var(--primary-color);
  color: #fff;
  padding: 0.3rem 0.7rem;
  border-radius: 5px;
  font-size: 0.8rem;
}

.additional-skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
  background: #f8f9fa;
  padding: 2rem;
  border-radius: 10px;
  margin-bottom: 2rem;
}

.additional-skill {
  background: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.additional-skill i {
  font-size: 2rem;
  color: var(--primary-color);
  display: block;
  margin-bottom: 0.5rem;
}

.additional-skill h4 {
  color: #000;
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
}

.additional-skill p {
  color: #666;
  font-size: 0.85rem;
}

.skill-summary {
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.05), rgba(156, 39, 176, 0.05));
  padding: 2rem;
  border-radius: 10px;
  margin: 2rem 0;
}

.summary-title {
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
  color: #000;
}

.proficiency-legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.proficiency-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.proficiency-bar {
  width: 30px;
  height: 4px;
  border-radius: 2px;
}

.proficiency-bar.expert {
  background: linear-gradient(90deg, var(--accent-color), #ff8a80);
}

.proficiency-bar.advanced {
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.proficiency-bar.intermediate {
  background: #26d0ce;
}

/* ===== PUBLICATIONS PAGE ===== */
.publication-category {
  margin-bottom: 3rem;
}

.publications-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.publication-card {
  background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
  padding: 2.5rem;
  border-radius: 10px;
  border-left: 5px solid var(--primary-color);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  position: relative;
}

.publication-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.publication-card__badge {
  position: absolute;
  top: 15px;
  right: 15px;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.publication-card__badge.journal {
  background: var(--primary-color);
  color: #fff;
}

.publication-card__badge.conference {
  background: var(--secondary-color);
  color: #fff;
}

.publication-card__badge.poster {
  background: var(--accent-color);
  color: #fff;
}

.publication-card__icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.publication-card__title {
  font-size: 1.2rem;
  color: #000;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.publication-card__authors {
  color: #666;
  font-size: 0.95rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.publication-card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #e0e0e0;
}

.meta-item {
  color: #666;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.publication-card__description {
  color: #666;
  line-height: 1.6;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.publication-card__links {
  margin-bottom: 1rem;
}

.publication-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.publication-link:hover {
  color: var(--secondary-color);
  gap: 1rem;
}

.publication-card__tags,
.publication-card__presentation-type {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.tag {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  padding: 0.4rem 0.8rem;
  border-radius: 15px;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.publication-stats {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: 3rem 2rem;
  border-radius: 10px;
  margin: 3rem 0;
}

.research-interests {
  background: #f8f9fa;
  padding: 3rem 2rem;
  border-radius: 10px;
  margin: 3rem 0;
}

.interests-title {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1.5rem;
  color: #000;
}

.interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.interest-card {
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.interest-card i {
  font-size: 2.5rem;
  color: var(--primary-color);
  display: block;
  margin-bottom: 1rem;
}

.interest-card h4 {
  color: #000;
  margin-bottom: 0.5rem;
}

.interest-card p {
  color: #666;
  font-size: 0.9rem;
}

/* ===== CONTACT PAGE ===== */
.contact__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info {
  background: #f8f9fa;
  padding: 2.5rem;
  border-radius: 10px;
}

.contact-info__title {
  font-size: 1.3rem;
  color: #000;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.contact-info__subtitle {
  color: #666;
  margin-bottom: 2rem;
}

.contact-method {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #e0e0e0;
}

.method-icon {
  font-size: 2rem;
  color: var(--primary-color);
  min-width: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.method-content h4 {
  color: #000;
  margin-bottom: 0.3rem;
}

.method-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.method-link:hover {
  color: var(--secondary-color);
}

.method-note {
  font-size: 0.85rem;
  color: #999;
  margin-top: 0.3rem;
}

.response-time {
  display: flex;
  gap: 1rem;
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(156, 39, 176, 0.1));
  padding: 1.5rem;
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
}

.response-time i {
  font-size: 2rem;
  color: var(--primary-color);
}

.response-time h5 {
  color: #000;
  margin-bottom: 0.3rem;
}

.response-time p {
  color: #666;
  font-size: 0.9rem;
}

.contact-highlights {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.highlight-box {
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(156, 39, 176, 0.1));
  padding: 1.5rem;
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
  text-align: center;
}

.highlight-icon {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.highlight-box h4 {
  color: #000;
  margin-bottom: 0.3rem;
}

.highlight-box p {
  color: #666;
  font-size: 0.9rem;
}

.contact-form-wrapper {
  background: #f8f9fa;
  padding: 2.5rem;
  border-radius: 10px;
}

.contact-form {
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.form-title {
  font-size: 1.3rem;
  color: #000;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.form-subtitle {
  color: #666;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #000;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form__input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 0.95rem;
  color: #333;
  font-family: "Raleway", sans-serif;
  transition: all 0.3s ease;
}

.form__input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form__textarea {
  resize: vertical;
}

.form-note {
  font-size: 0.85rem;
  color: #999;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.availability-status {
  background: linear-gradient(135deg, rgba(0, 200, 83, 0.1), rgba(76, 175, 80, 0.1));
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  margin-top: 3rem;
  border-left: 4px solid #4caf50;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.status-indicator.online i {
  color: #4caf50;
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.5; }
}

.status-indicator.online {
  color: #4caf50;
}

.status-message {
  color: #333;
  font-size: 0.95rem;
}

/* ===== PAGE CTA ===== */
.page-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 3rem;
  flex-wrap: wrap;
}

/* ===== RESPONSIVE ===== */
@media screen and (max-width: 968px) {
  .home__content {
    grid-template-columns: 1fr;
  }

  .home__stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact__container {
    grid-template-columns: 1fr;
  }

  .page-title {
    font-size: 2rem;
  }

  .expertise-grid {
    grid-template-columns: 1fr;
  }

  .ta-slots {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 768px) {
  .home__buttons {
    flex-direction: column;
  }

  .home__buttons .button {
    width: 100%;
  }

  .home__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .stat-box {
    padding: 1rem;
  }

  .about-cta {
    flex-direction: column;
  }

  .highlights-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .featured-projects__container {
    grid-template-columns: 1fr;
  }

  .page-title {
    font-size: 1.5rem;
  }

  .education-card,
  .experience-card,
  .project-card,
  .publication-card {
    padding: 1.5rem;
  }

  .education-card__stats {
    grid-template-columns: 1fr;
  }

  .page-cta {
    flex-direction: column;
  }

  .page-cta .button {
    width: 100%;
  }
}

@media screen and (max-width: 480px) {
  .home__stats {
    grid-template-columns: 1fr;
  }

  .competency-group {
    padding: 1rem;
  }

  .interests-list {
    grid-template-columns: 1fr;
  }

  .highlights-list {
    grid-template-columns: 1fr;
  }

  .additional-skills {
    grid-template-columns: 1fr;
  }

  .stats-grid,
  .focus-items,
  .interests-grid {
    grid-template-columns: 1fr;
  }

  .publication-card,
  .contact-form {
    padding: 1.5rem;
  }

  .tech-tags,
  .skill-tags,
  .competency-items {
    justify-content: flex-start;
  }

  .ta-slots {
    grid-template-columns: 1fr;
  }

  .ta-slot {
    padding: 1.5rem;
  }

  .slot-fields {
    gap: 1rem;
  }

  .coursework-highlights {
    margin-top: 1rem;
    padding-top: 1rem;
  }

  .education-card__description {
    font-size: 0.85rem;
  }
}