@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
  --bg-color: #ffffff;
  --text-main: #1a1a1a;
  --text-muted: #666666;
  --accent: #000000;
  --border: #e5e5e5;
}

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

body, h1, h2, h3, p, a {
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text-main);
}

body {
  background-color: var(--bg-color);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* HEADER & LOGO */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 10%;
  background-color: var(--bg-color);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

#text-logo {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  text-decoration: none;
  color: var(--accent);
}

#nav-links a {
  text-decoration: none;
  margin-left: 30px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

#nav-links a:hover {
  color: var(--accent);
}

/* MAIN CONTENT */
main {
  padding: 0 10%;
  max-width: 1200px;
  margin: 0 auto;
}

section {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}

section:last-of-type {
  border-bottom: none;
}

h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 40px;
  letter-spacing: -0.5px;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

p {
  font-size: 1.05rem;
  margin-bottom: 24px;
  color: var(--text-muted);
}

strong {
  font-weight: 600;
  color: var(--text-main);
}

/* CONTAINERS */
.about-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 60px;
}

.about-text {
  flex: 1;
}

.about-image {
  flex: 0 0 350px; 
}

.professional-photo {
  width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08); 
  display: block;
}

/* LOGBOOK */
.update-post {
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  margin-bottom: 40px;
}

.update-post p {
  margin-top: 10px;
  margin-bottom: 0;
  color: var(--text-main);
}

/* FOOTER */
footer {
  text-align: center;
  padding: 40px 10%;
  background-color: var(--bg-color);
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

footer a, footer p {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  margin: 5px 0;
  display: inline-block;
}

footer a:hover {
  color: var(--accent);
}

/* ANCHORS FOR SMOOTH SCROLLING */
.anchor-target {
  display: block;
  position: relative;
  visibility: hidden;
  top: -80px; 
}

/* MOBILE RESPONSIVENESS */
@media only screen and (max-width: 768px) {
  header {
    flex-direction: column;
    padding: 20px;
  }
  
  #nav-links {
    margin-top: 20px;
  }

  #nav-links a {
    margin: 0 10px;
  }

  .about-container {
    flex-direction: column;
    gap: 30px;
  }
  
  .about-image {
    flex: auto;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
  }
}