:root {
  --primary-bg: #0d1b2a;/* Darkest Blue */
  --secondary-bg: #1b263b;/* Navy Blue */
  --accent-blue: #415a77;/* Slate Blue */
  --bright-blue: #778da9;/* Light Blue-Grey */
  --text-light: #e0e1dd;/* Off-white */
  --text-highlight: #00dfff;/* Cyan */
  --text-muted: #94a3b8;/* Slate Grey-Blue */
  --pure-white: #ffffff;/* Pure White */

  --font-main: 'Roboto Mono', monospace;
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--primary-bg);
  color: var(--bright-blue);
  font-family: var(--font-main);
  margin: 0;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.left-column {
  width: 45%;
  height: 100vh;
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 100px 0;
  margin-right: 40px;
}

.right-column {
  width: 55%;
  padding: 100px 0;
}

.container {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 50px;
}

.header-info h1 {color: var(--text-light); font-size: 3rem; margin: 0;}

.header-info h2 {color: var(--text-light); font-size: 1.2rem; font-weight: 400; margin-top: 10px;}

.social-links a {color: var(--bright-blue); font-size: 0.9rem; margin-right: 20px; text-decoration: none;}

.aside {color: var(--accent-blue); font-size: 0.6em; margin: 20px;}

section {
  margin-bottom: 120px;
}

footer {
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--secondary-bg);
}

.highlight {color: var(--text-highlight); font-weight: 700;}

.exp-item {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}
.date {color: var(--accent-blue); font-size: 0.8rem; min-width: 120px; padding-top: 0.4rem;}
.exp-item h3 {color: var(--text-light); font-size: 1.2rem; margin: 0;}
.exp-item h4 {color: var(--text-muted); font-size: 0.8rem; margin: 0;}

.project-card {
  background: var(--secondary-bg);
  border: 1px solid var(--accent-blue);
  padding: 25px;
  margin-bottom: 10px;
  border-radius: 0px;
}
.project-card h3 {color: var(--text-light); margin: 0;}
.project-card .link {color: var(--text-muted); margin: 0;}

@media (max-width: 1000px) {
  .container {
    flex-direction: column;
    padding: 0 30px;
  }
  .left-column {
    width: 100%;
    height: auto;
    position: relative;
    padding: 60px 0 20px 0;
  }
  .right-column {
    width: 100%;
    padding: 40px 0;
  }
  .side-nav {
    display: none;
  }
}