/* Root Variables */
:root {
  --border-color: #c5c5c5;
  --text-color: white;
  --hover-accent: #8a2be2;
  --gradient-primary: linear-gradient(90deg, #009dff, #ff00ff);
  --gradient-primary-reverse: linear-gradient(90deg, #ff00ff, #009dff);
  --background-main: radial-gradient(circle at top left, #1f1f2e, #0e0e17);
  --transition: 0.3s ease-in-out;
  --radius-large: 3rem;
}

/* Global Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
  text-decoration: none;
  list-style: none;
}

html, body {
  max-width: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  background: var(--background-main);
  color: var(--text-color);
}

a { color: inherit; }

/* Shared Transitions */
.logo, .nav-list a, .hamburger-icon span, .visit-btn, .btn, .socials i::before, .project-card, .footer-nav a {
  transition: var(--transition);
}

/* Header */
header {
  position: fixed;
  top: 1rem;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: 90%;
  max-width: 900px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  padding: 0.6rem 2rem;
  border-radius: var(--radius-large);
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.05);
  z-index: 1000;
}

.logo {
  color: var(--text-color);
  font-size: 1.25rem;
  font-weight: 600;
  white-space: nowrap;
}
.logo:hover { transform: scale(1.1); }

.nav-list { display: flex; gap: 2rem; }
.nav-list a { font-weight: 300; }
.nav-list a:hover, .nav-list a.active { color: var(--hover-accent); }
.nav-list a.active { font-weight: 500; }

.hamburger-icon {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  height: 18px;
  width: 25px;
  cursor: pointer;
}
.hamburger-icon span {
  width: 100%;
  height: 2px;
  background-color: var(--text-color);
}

.visit-btn {
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-large);
  border: none;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-color);
  white-space: nowrap;
  background: var(--gradient-primary);
}
.visit-btn:hover {
  transform: scale(1.03);
  background: var(--gradient-primary-reverse);
}

/* Sections */
section {
  min-height: 70vh;
  padding: 8rem 12%;
  width: 100%;
  position: relative;
}

/* About Section */
.about {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10rem;
}
.about img {
  width: 350px;
  border-radius: 50%;
  box-shadow: 0 0 40px rgba(255, 0, 255, 0.5);
}

.info-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}
.info-box h3 { font-size: 1.8rem; font-weight: 500; opacity: 0.8; }
.info-box h1 { font-size: 4rem; font-weight: 600; }
.info-box span {
  font-size: 2rem;
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.btn-group { display: flex; gap: 1rem; }
.btn {
  border-radius: var(--radius-large);
  padding: 0.5rem 1.5rem;
  border: 2px solid var(--border-color);
  cursor: pointer;
  font-weight: 500;
  white-space: nowrap;
}
.btn:hover {
  background-color: white;
  border-color: white;
  color: black;
}

.socials { display: flex; gap: 2rem; }
.socials i { display: inline-block; font-size: 2.5rem; }
.socials i::before { display: inline-block; }
.socials i:hover::before { transform: scale(1.1); }

/* Experience Section */
.section-text { text-align: center; font-weight: 500; }
.section-title {
  text-align: center;
  font-size: 3.5rem;
  font-weight: 600;
  margin-bottom: 3rem;
}

.experience-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5rem;
}
.experience img { width: 350px; border-radius: var(--radius-large); }

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.full-width { grid-column: 1 / -1; }

.grid-card {
  border: 2px solid var(--border-color);
  border-radius: var(--radius-large);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.grid-card i { font-size: 1.5rem; }

/* Education Grouping */
.education-content {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}
.education-left, .education-right {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.edu-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.4rem;
}
.edu-block p {
  margin-left: 1.8rem;
  margin-bottom: 0.3rem;
  opacity: 0.9;
}
.interest-list { margin-left: 3rem; opacity: 0.9; }
.interest-list li {
  display: list-item;
  list-style: disc;
  list-style-position: outside;
  margin-bottom: 0.3rem;
}

/* Skills Container */
.card-title {
  color: var(--border-color);
  font-weight: 600;
  font-size: 1.75rem;
  margin-bottom: 2rem;
}
.article-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 3rem;
}
article {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}
.project-card {
  padding: 2rem 1.5rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-large);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1rem;
  cursor: pointer;
}
.project-card:hover {
  background-color: var(--border-color);
  color: black;
  transform: translateY(-10px) scale(1.02);
}
.project-card img {
  width: 90%;
  height: auto;
  border-radius: 1.5rem;
  object-fit: cover;
}
.project-card h3 { font-size: 2rem; font-weight: 500; }
.project-card:hover .btn { border-color: black; color: black; }
.project-card:hover .btn:hover { background-color: black; color: white; }

/* Contact Area */
#contact {
  display: flex;
  justify-content: center;
  flex-direction: column;
  min-height: 70vh;
}
.contact-info-container {
  display: flex;
  justify-content: center;
  border-radius: 2rem;
  border: 0.1rem solid var(--border-color);
  margin: 0.1rem auto;
  padding: 0.5rem;
}
.contact-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 1rem;
}
.contact-info p { font-size: larger; }
.icon-envelope-circle, .icon-linkedin-circle { font-size: 2rem; }
.contact-info a { color: var(--text-color); }
.contact-info a:hover { color: #ccc; }

/* Footer */
footer {
  height: 16vh;
  margin: 0.1rem;
}
footer p {
  text-align: center;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  opacity: 0.75;
  font-weight: 400;
}
.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  margin: 2rem;
  font-size: 1.5rem;
}
.footer-nav a:hover { color: var(--hover-accent); }

/* Scroll Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}