*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --primary-color: #63e6be; /* A modern, vibrant mint green */
  --secondary-color: #38d9a9; /* A darker shade of the primary */
  --accent-color: #e74c3c;
  --light-color: #f0f2f5; /* Light text color */
  --text-secondary-color: #a0aec0; /* Lighter grey for descriptions */
  --dark-color: #121212; /* A deep, neutral charcoal background */
  --card-bg-color: #1e1e1e; /* A slightly lighter charcoal for cards */
}

@keyframes animated-gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes fade-slide-up {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: "Montserrat", sans-serif;
  margin: 0;
  background-color: var(--dark-color);
  color: var(--light-color);
  overflow-x: hidden;
}

/* --- Particle JS Background --- */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
}

header {
  background-color: rgba(30, 30, 30, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem; /* The padding now lives here */
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--primary-color);
  z-index: 1002; /* Ensure logo is above the slide-out menu */
}

.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

.nav-link {
  color: var(--light-color);
  text-decoration: none;
  font-weight: bold;
  padding: 1rem 1.2rem;
  display: block;
  border-radius: 5px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-link:hover {
  background-color: var(--primary-color);
  color: var(--dark-color);
}

.nav-link.nav-active {
  background-color: var(--accent-color);
  color: var(--light-color);
}

.nav-toggle {
  display: none;
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 10px;
  z-index: 1002; /* Ensure toggle is above the slide-out menu */
}

.hamburger {
  display: block;
  position: relative;
  width: 25px;
  height: 3px;
  background: var(--light-color);
  border-radius: 2px;
  transition: transform 0.3s ease, background 0.3s ease;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--light-color);
  border-radius: 2px;
  transition: transform 0.3s ease;
}

.hamburger::before {
  transform: translateY(-8px);
}
.hamburger::after {
  transform: translateY(8px);
}

/* Styles for the open menu state */
.nav-open .hamburger {
  background: transparent;
}
.nav-open .hamburger::before {
  transform: rotate(45deg);
}
.nav-open .hamburger::after {
  transform: rotate(-45deg);
}

#hero {
  background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
    url("https://images.unsplash.com/photo-1518770660439-4636190af475?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D");
  background-size: cover;
  background-position: center;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-text .hero-title {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--accent-color),
    var(--primary-color)
  );
  background-size: 200% auto;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  animation: animated-gradient 5s ease-in-out infinite,
    fade-slide-up 0.8s 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  opacity: 0;
}

.hero-text .hero-subtitle {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text-secondary-color);
  max-width: 600px;
  margin: 1rem auto 2.5rem;
  animation: fade-slide-up 0.8s 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94)
    forwards;
  opacity: 0;
}

.hero-text .cta-button {
  animation: fade-slide-up 0.8s 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94)
    forwards;
  opacity: 0;
}

.cta-button {
  background-color: var(--accent-color);
  color: var(--light-color);
  padding: 15px 30px;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
}

section {
  padding: 5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
}
section h2 {
  text-align: center;
  margin-bottom: 4.5rem;
  font-size: 2.8rem;
  color: var(--primary-color);
}

#about .about-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}
.about-text {
  max-width: 600px;
}
.about-text p {
  color: var(--text-secondary-color);
  line-height: 1.6;
  text-align: justify;
}

.profile-pic {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 15px rgba(99, 230, 190, 0.3), 0 0 3px rgba(240, 242, 245, 0.8),
    inset 0 0 5px rgba(18, 18, 18, 0.8);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    box-shadow 0.4s ease-in-out;
}

.profile-pic:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: 0 0 30px rgba(99, 230, 190, 0.6), 0 0 5px rgba(240, 242, 245, 1),
    inset 0 0 8px rgba(18, 18, 18, 0.9);
}

#journey {
  overflow-x: hidden;
}
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}
.timeline::after {
  content: "";
  position: absolute;
  width: 3px;
  background-color: rgba(99, 230, 190, 0.15);
  top: 0;
  bottom: 0;
  left: 20px;
  z-index: 1;
}
.timeline-item {
  position: relative;
  padding-left: 70px;
  padding-bottom: 40px;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s 0.2s ease-out, transform 0.6s 0.2s ease-out;
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.timeline-item.visible {
  opacity: 1;
  transform: translateY(0);
}
.timeline-icon {
  position: absolute;
  width: 44px;
  height: 44px;
  left: 0;
  background-color: var(--dark-color);
  border: 3px solid var(--primary-color);
  top: 0;
  border-radius: 50%;
  z-index: 10;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 0 0 4px var(--dark-color);
}
.timeline-icon i {
  font-size: 1.3rem;
  color: var(--primary-color);
}
.timeline-content {
  position: relative;
  background-color: var(--card-bg-color);
  border-radius: 12px;
  border: 1px solid rgba(99, 230, 190, 0.1);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  padding: 2rem;
}
.timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  border-color: rgba(99, 230, 190, 0.3);
}
.timeline-date {
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}
.timeline-content h3 {
  margin-top: 0;
  color: var(--light-color);
}
.timeline-content h4 {
  color: var(--text-secondary-color);
  margin: 0.2rem 0 1rem 0;
  font-weight: 500;
  font-style: italic;
}
.timeline-content ul {
  color: var(--text-secondary-color);
  padding-left: 20px;
  text-align: left;
}
.timeline-content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}
.skill {
  background-color: var(--card-bg-color);
  padding: 2.5rem 2rem;
  border-radius: 12px;
  border: 1px solid rgba(99, 230, 190, 0.1);
  text-align: center;
  transition: transform 0.3s ease, background-color 0.3s ease,
    border-color 0.3s ease;
}
.skill:hover {
  transform: translateY(-8px);
  background-color: #2a2a2a;
  border-color: rgba(99, 230, 190, 0.3);
}
.skill-icon {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}
.skill h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}
.skill p {
  color: var(--text-secondary-color);
  font-size: 0.9rem;
  line-height: 1.5;
}

.projects-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.project {
  background-color: var(--card-bg-color);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid rgba(99, 230, 190, 0.1);
  transition: transform 0.3s ease, background-color 0.3s ease,
    border-color 0.3s ease;
}
.project:hover {
  transform: translateY(-5px);
  background-color: #2a2a2a;
  border-color: rgba(99, 230, 190, 0.3);
}
.project h3 {
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 1rem;
}
.project p {
  color: var(--text-secondary-color);
  text-align: justify;
  line-height: 1.6;
  margin-bottom: 0;
}

#contact .contact-container {
  text-align: center;
}
#contact .contact-container p {
  display: inline-flex;
  align-items: center;
  margin: 0.5rem 1.5rem;
  font-size: 1.1rem;
}
#contact .contact-container a {
  color: var(--light-color);
  text-decoration: none;
  transition: color 0.3s ease;
}
#contact .contact-container a:hover {
  color: var(--primary-color);
}
#contact .contact-container .fas {
  color: var(--primary-color);
  margin-right: 10px;
  font-size: 1.2rem;
}

footer {
  background-color: transparent;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary-color);
  text-align: center;
  padding: 2rem;
  margin-top: 2rem;
}

/* --- Mobile & Responsive Styles --- */
@media (max-width: 768px) {
  nav {
    padding: 1rem;
  }

  .logo {
    font-size: 1.5rem;
  }

  .nav-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 60%;
    height: 100vh;
    background: var(--dark-color);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: right 0.4s ease-in-out;
  }

  .nav-menu.active {
    display: flex;
    right: 0;
  }

  .nav-toggle {
    display: block;
  }

  .nav-link {
    font-size: 1.5rem;
    margin: 1rem 0;
  }

  section {
    padding: 4rem 1.5rem;
  }

  .hero-text .hero-title {
    font-size: 2.5rem;
  }
  .hero-text .hero-subtitle {
    font-size: 1.1rem;
  }
  section h2 {
    font-size: 2.2rem;
  }
  #about .about-container {
    flex-direction: column;
    gap: 2rem;
  }

  .timeline {
    max-width: 100%;
  }
  .timeline::after {
    left: 20px;
  }
  .timeline-item {
    padding-left: 60px;
    padding-right: 10px;
  }
  .timeline-icon {
    left: 0;
  }

  .projects-container {
    grid-template-columns: 1fr;
  }

  #contact .contact-container p {
    flex-direction: column;
    margin: 1rem;
    font-size: 1rem;
  }

  #contact .contact-container .fas {
    margin-right: 0;
    margin-bottom: 0.5rem;
  }
}