/* CSS Reset and Base Styles */
:root {
  --primary-color: #ff4757;
  --secondary-color: #2f3542;
  --dark-color: #1e272e;
  --light-color: #f1f2f6;
  --text-color: #2f3542;
  --text-light: #747d8c;
  --white: #ffffff;
  --black: #000000;
  --transition: all 0.3s ease;
  --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--white);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

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

ul {
  list-style: none;
}

/* Utility Classes */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.dark-section {
  background-color: var(--secondary-color);
  color: var(--white);
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
  position: relative;
  color: inherit;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--primary-color);
  margin: 1rem auto;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto 3rem;
  font-size: 1.1rem;
}

.highlight {
  color: var(--primary-color);
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  background: var(--primary-color);
  color: var(--white);
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
}

.btn:hover {
  background: transparent;
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

/* Header Styles */
#header {
  min-height: 100vh;
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../img/photo-1531297484001-80022131f5a1.avif') no-repeat center center/cover;
  color: var(--white);
  position: relative;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  position: relative;
  z-index: 10;
}

.logo {
  height: 40px;
  transition: var(--transition);
}

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

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
}

.menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
  z-index: 100;
}

.menu-line {
  display: block;
  height: 3px;
  width: 100%;
  background: var(--white);
  transition: var(--transition);
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-item .nav-link {
  position: relative;
  padding: 0.5rem 0;
  font-weight: 500;
}

.nav-item .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

.nav-item .nav-link:hover::after,
.nav-item .nav-link.active::after {
  width: 100%;
}

.nav-item .nav-link.active {
  color: var(--primary-color);
}

/* Hero Content */
.hero-content {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  max-width: 600px;
}

.hero-subtitle {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.8);
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.social-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
}

.social-links a {
  font-size: 1.5rem;
  color: var(--white);
  transition: var(--transition);
}

.social-links a:hover {
  color: var(--primary-color);
  transform: translateY(-3px);
}

.scroll-down {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--white);
  font-size: 1.5rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-20px) translateX(-50%);
  }
  60% {
    transform: translateY(-10px) translateX(-50%);
  }
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.profile-img {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.profile-img:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.about-text {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.stat-item {
  background: var(--light-color);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Education & Skills Section */
.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

.skills-column, .education-column {
  padding: 2rem;
}

.skills-section {
  margin-bottom: 3rem;
}

.skills-category {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  color: var(--white);
}

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

.skills-container {
  margin-top: 1rem;
}

.skill-item {
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards;
}

.skill-name {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--white);
}

.skill-bar {
  height: 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  overflow: hidden;
}

.skill-level {
  height: 100%;
  background: var(--primary-color);
  border-radius: 5px;
  position: relative;
  transition: width 1.5s ease;
}

.skill-level::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shine 2s infinite;
}

@keyframes shine {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.soft-skills-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
}

.soft-skill-item {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.8rem;
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards;
}

.soft-skill-item:hover {
  background: var(--primary-color);
  transform: translateY(-5px);
}

/* Timeline Styles */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--primary-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 2rem;
}

.timeline-date {
  position: absolute;
  left: -2rem;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-color);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  box-shadow: 0 0 0 4px rgba(255, 71, 87, 0.2);
}

.timeline-content {
  background: rgba(255, 255, 255, 0.05);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.timeline-content:hover {
  transform: translateX(10px);
  background: rgba(255, 255, 255, 0.1);
}

.timeline-title {
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.timeline-institution {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.timeline-description {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
}

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

.interest-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards;
}

.interest-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.interest-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.5rem;
  background: var(--primary-color);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  transition: var(--transition);
}

.interest-card:hover .interest-icon {
  transform: rotate(15deg) scale(1.1);
}

.interest-title {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

.interest-description {
  color: var(--text-light);
  font-size: 0.9rem;
}

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

.portfolio-item {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards;
}

.project-card {
  position: relative;
  height: 100%;
}

.project-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 71, 87, 0.9);
  color: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  opacity: 0;
  transition: var(--transition);
  text-align: center;
}

.project-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  transform: translateY(-20px);
  transition: var(--transition);
}

.project-description {
  margin-bottom: 1.5rem;
  transform: translateY(20px);
  transition: var(--transition);
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--white);
  color: var(--primary-color);
  border-radius: var(--border-radius);
  font-weight: 500;
  transition: var(--transition);
}

.project-link:hover {
  background: var(--dark-color);
  color: var(--white);
}

.portfolio-item:hover .project-overlay {
  opacity: 1;
}

.portfolio-item:hover .project-title,
.portfolio-item:hover .project-description {
  transform: translateY(0);
}

.portfolio-item:hover .project-image {
  transform: scale(1.1);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

.contact-method i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-top: 0.3rem;
}

.contact-method-title {
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}

.contact-link {
  transition: var(--transition);
}

.contact-link:hover {
  color: var(--primary-color);
}

.contact-text {
  color: var(--text-light);
}

/* Form Styles */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  position: relative;
}

.form-input {
  width: 100%;
  padding: 1rem;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
  background: var(--white);
}

.form-input:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 71, 87, 0.2);
}

.form-label {
  position: absolute;
  left: 1rem;
  top: 1rem;
  padding: 0 0.5rem;
  background: var(--white);
  color: var(--text-light);
  transition: var(--transition);
  pointer-events: none;
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
  top: -0.6rem;
  left: 0.8rem;
  font-size: 0.8rem;
  color: var(--primary-color);
  background: var(--white);
}

textarea.form-input {
  min-height: 150px;
  resize: vertical;
}

.submit-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Footer Styles */
.footer {
  background: var(--dark-color);
  color: var(--white);
  padding: 3rem 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-logo img {
  height: 40px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-link {
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--primary-color);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-icon:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem 0;
  text-align: center;
}

.copyright {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Styles */
@media (max-width: 992px) {
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .menu-btn {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--dark-color);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
    z-index: 90;
  }
  
  .menu-toggle:checked ~ .nav-menu {
    right: 0;
  }
  
  .menu-toggle:checked + .menu-btn .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .menu-toggle:checked + .menu-btn .menu-line:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle:checked + .menu-btn .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero-content {
    text-align: center;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 0 1rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .timeline::before {
    left: 0;
  }
  
  .timeline-item {
    padding-left: 1.5rem;
  }
  
  .timeline-date {
    left: -1.5rem;
  }
}

@media (max-width: 576px) {
  .section {
    padding: 3rem 0;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .project-links {
    flex-direction: column;
    width: 100%;
  }
  
  .project-link {
    justify-content: center;
  }
}