/* General Body & Typography */
:root {
  --primary-font: 'Inter', sans-serif;
  --primary-color: #0a1f44; /* Deep Navy */
  --text-color-dark: #101b2b;
  --text-color-light: #5d687a; /* Slate Grey */
  --background-color-light: #f2f5fb;
  --background-color-alt: #e6eaf3;
  --link-color: var(--text-color-dark);
  --link-hover-color: var(--primary-color);
  --border-color: #c5cfdf;
}

body {
  font-family: var(--primary-font);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  color: var(--text-color-dark);
  background-color: var(--background-color-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  opacity: 0; /* Hidden by default for fade-in effect */
  transition: opacity 0.8s ease-in;
}

body.fade-in {
  opacity: 1;
}

h1, h2, h3 {
  font-weight: 600;
  color: var(--text-color-dark);
  margin-top: 0;
  margin-bottom: 0.8em;
}

h1 {
  font-size: 2.8em;
  font-weight: 600;
}

h2 {
  font-size: 2em;
  font-weight: 500;
  text-align: center;
  margin-bottom: 1.1em;
}

h3 {
  font-size: 1.5em;
  font-weight: 400;
  margin-bottom: 0.5em;
}

p {
  margin-bottom: 1em;
}

a {
  color: var(--link-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--link-hover-color);
}

/* Layout & Structure */
.section {
  padding: 55px 18px;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.section.alt {
  background-color: var(--background-color-alt);
}

/* Header & Navigation */
.hero {
  background: linear-gradient(135deg, #0a1f44, #1c2a3f);
  color: #f3f6ff;
  padding: 80px 20px 55px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero h1 {
  color: #f3f6ff;
  text-shadow: none;
}

.tagline {
  font-size: 1.2em;
  font-weight: 300;
  margin-bottom: 2em;
  color: #cdd6e8;
  opacity: 1; /* Ensure full opacity */
}

.main-nav {
  margin-top: 30px;
}

.main-nav a {
  color: #dee5f7;
  margin: 0 15px;
  font-weight: 500;
  font-size: 0.9em;
  padding: 5px 0;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.main-nav a:hover {
  color: #8db3ff;
}

.main-nav a.active {
  color: #8db3ff;
  text-decoration: underline;
  text-underline-offset: 6px;
}

.main-nav a.nav-back {
  border: 1px solid rgba(222, 229, 247, 0.6);
  border-radius: 999px;
  padding: 6px 14px;
  letter-spacing: 0.12em;
}

.main-nav a.nav-back:hover {
  border-color: #8db3ff;
}


/* About Section */
.about-content {
  text-align: left;
  max-width: 700px;
  margin: 0 auto;
}

.about-content p {
  font-size: 1.1em;
  color: var(--text-color-light);
}

.previous-label {
  margin-top: 16px;
  font-size: 1em;
  font-weight: 600;
  color: var(--text-color-dark);
}

.previous-companies {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
  padding-left: 5px;
}

.previous-companies span {
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 8px 14px;
  font-size: 0.95em;
  color: var(--text-color-dark);
  background-color: rgba(16, 27, 43, 0.04);
}

.previous-companies span em {
  font-style: normal;
  color: var(--text-color-light);
  display: block;
  font-size: 0.9em;
  margin-top: 2px;
}

/* Education Section */
.education-list {
  display: flex;
  flex-direction: column;
  gap: 30px;
  text-align: left;
}

.education-entry {
  padding-left: 20px;
  border-left: 2px solid var(--border-color);
}

.education-school {
  font-size: 1.05em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-color);
  margin-bottom: 0.4em;
}

.education-detail {
  font-size: 1.1em;
  font-weight: 400;
  color: var(--text-color-light);
}

/* Skills Section - Already uses background-color-alt correctly */
.badge-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.badge {
  background-color: rgba(10, 31, 68, 0.05);
  border: 1px solid var(--border-color);
  padding: 10px 20px;
  border-radius: 25px;
  font-size: 0.95em;
  font-weight: 500;
  color: var(--text-color-dark);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.badge:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background-color: rgba(10, 31, 68, 0.12);
}

/* Highlighted inline links */
.project-link {
  display: inline;
  margin: 0;
  font-weight: 600;
  color: var(--primary-color);
  text-decoration: none;
}

.project-link:hover {
  color: #0f3c88;
}

/* Contact Section - Already uses background-color-alt correctly */
.contact-links {
  font-size: 1.2em;
  line-height: 1.8;
  color: var(--text-color-light);
}

.contact-links a {
  font-weight: 500;
  margin: 0 5px;
  color: var(--text-color-dark);
}

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

/* Footer */
footer {
  text-align: center;
  padding: 30px 20px;
  background-color: var(--background-color-alt);
  color: var(--text-color-light);
  font-size: 0.9em;
}

footer p {
  margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  h1 {
    font-size: 2.2em;
  }

  h2 {
    font-size: 1.8em;
  }

  .main-nav a {
    margin: 0 10px;
    font-size: 1em;
  }

  .section {
    padding: 40px 15px;
  }

  .project-card {
    padding: 25px;
  }

  .badge-grid {
    gap: 8px;
  }

  .badge {
    padding: 8px 15px;
    font-size: 0.9em;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.8em;
  }

  h2 {
    font-size: 1.6em;
  }

  .main-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
  }

  .main-nav a {
    margin: 0;
    padding: 8px 0;
  }

  .hero {
    padding: 60px 15px;
  }

  .project-card {
    padding: 20px;
  }
}