/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: #000;
  color: #333;
  line-height: 1.6;
}

/* ===== Navbar ===== */
header { background-color: transparent; padding: 1rem 0; position: sticky; top: 0; z-index: 1000; }
.navbar {
    background-color: transparent;
  height: var(--nav-height);
  width: 90%; margin: auto;
  display: flex; justify-content: space-between; align-items: center;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
.navbar.transparent {
    background-color: transparent;
    box-shadow: none;
}
.logo { color: #fff; 
    font-size: 1.5rem; 
    font-weight: bold;
    list-style: none;
    display: flex; }

.logo a {
    color: #a9a9a9;
    text-decoration: None;
}
.logo a:hover {color: #fff;}

.nav-links { list-style: none; display: flex; }
.nav-links li { margin-left: 2rem; }
.nav-links a {
  font-weight: bold; color: #a9a9a9; text-decoration: none; transition: color 0.3s;
}
.nav-links a:hover { color: #fff; }

/* ===== Hero ===== */
.hero {
    font-size: 1.25rem;
  height: 100vh;
  background: #000000;
  color: #ffffff; text-align: center;
  display: flex; flex-direction: column; justify-content: center;
  padding: 0 2rem;
}
.hero h1 { font-size: 5rem; margin-bottom: 1rem; }
.btn {
  color: #a9a9a9;
  padding: 0.5rem 0rem; border-radius: 10px;
  text-decoration: none; transition: background 0.3s;
  font-weight: bold;
}
.btn:hover { color: #ffff; }

/* ===== Sections ===== */
section { background-color: #f8f9fa; padding: 4rem 2rem; text-align: center; }
h2 { margin-bottom: 1.5rem; font-size: 2rem; }

/* ===== Projects ===== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}
.project-card {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  padding: 1rem;
  transition: transform 0.3s;
}

.project-card img {
    max-width: 35vh;
    height: auto;
}

.project-card a {
  color: #000;
  }
.project-card a:hover {
  color: #a9a9a9;
  }

.project-card:hover { transform: translateY(-5px); }
.project-card h3 { margin-top: 0.5rem; }
.project-card p { margin: 0.5rem 0 1rem; }

/* Images Gallery */
.gallery {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  justify-content: center; margin-bottom: 1rem;
}
.gallery img {
  width: 45vh; height: auto;
  border-radius: 4px; cursor: pointer;
  transition: transform 0.2s;
}
.gallery img:hover { transform: scale(1.05); }

/* Document Links */
.documents a {
  display: inline-block;
  margin-top: 0.5rem;
  color: #4fc3f7;
  text-decoration: none;
}
.documents a:hover { text-decoration: underline; }

/* Video Player */
.project-video {
  width: 100%;
  max-width: 500px;
  border-radius: 8px;
  margin-top: 1rem;
}

/* ===== Contact & Footer ===== */
.contact {
    font-weight: bold;
}

.contact a { 
    color: #a9a9a9; 
    text-decoration: none;
    font-weight: normal;
}
.contact a:hover { 
    color: #7a7a7a; 
    text-decoration: none; 
    font-weight: bold; 
}    
footer {
  background: #000; color: #a9a9a9;
  padding: 1rem 0; text-align: center;
}