/* ========== Base reset & typography ========== */
*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}
body{
  font-family:system-ui,-apple-system,sans-serif;
  color:#222;
  line-height:1.6;
  font-size:16px;
}

main{
  /* no extra padding so hero sits directly under header */
}

/* ========== Header & nav ========== */
.site-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:1rem 1.5rem;
  background:#111827;
  color:#f9fafb;
  position:sticky;
  top:0;
  z-index:10;
}

/* header contact block */
.header-contact{
  display:flex;
  align-items:center;
  gap:.5rem;
  font-size:.95rem;
  color:#f9fafb;
  flex-wrap:wrap;
}
.header-contact-item{
  color:#e5e7eb;
  text-decoration:none;
}
.header-contact-item:hover{
  color:#fff;
}
.header-separator{
  color:#6b7280;
}

.main-nav a{
  color:#e5e7eb;
  text-decoration:none;
  margin-left:1rem;
  font-size:.95rem;
}
.main-nav a:hover{
  color:#fff;
}

/* ========== Hero section ========== */
.hero{
  position:relative;
  min-height:100vh;
  background:
    linear-gradient(rgba(0,0,0,.65),rgba(0,0,0,.65)),
    url("Images/Website Hero.jpg") center 70%/cover no-repeat;
  color:#f9fafb;
  margin-top:0;
}
.hero-content{
  position:absolute;
  top:8%;
  left:4%;
  max-width:80rem;
  text-align:left;
}
h1{
  font-size:clamp(3rem, 5vw, 3rem);
  margin-bottom:.5rem;
}
.hero p{
  max-width:35rem;
  margin:0 0 2rem;
}
.hero h1,
.hero p{
  text-shadow:0 2px 4px rgba(0,0,0,.6);
}
.hero-subtitle{
  font-size:1.25rem;
}

/* ========== Buttons ========== */
.btn-primary{
  display:inline-block;
  padding:.8rem 1.6rem;
  background:#2563eb;
  color:#fff;
  text-decoration:none;
  border-radius:999px;
  font-weight:500;
  border:none;
  cursor:pointer;
  font-size:1rem;
}
.btn-primary:hover{
  background:#1d4ed8;
}

/* ========== Sections & layout ========== */
.section{
  padding:3rem 1.5rem;
  max-width:1200px;
  margin:0 auto;
}
.section-alt{
  background:#f3f4f6;
}
h2{
  margin-bottom:1.5rem;
  font-size:clamp(1.4rem,4vw,2rem);
  text-align:center;
}
.grid-3,
.project-grid{
  display:grid;
  gap:1.5rem;
}

/* ========== Project cards ========== */
.project-card img{
  width:100%;
  height:200px;
  object-fit:cover;
  border-radius:8px;
}
.project-card h3{
  margin:.5rem 0 .25rem;
}

/* ========== Slider ========== */
.project-slider{
  position:relative;
  width:100%;
  height:200px;
  overflow:hidden;
  border-radius:8px;
  margin-bottom:.5rem;
}
.project-slider img{
  width:100%;
  height:100%;
  object-fit:cover;
  position:absolute;
  top:0;
  left:0;
  opacity:0;
  transition:opacity .4s ease;
}
.project-slider img.active{
  opacity:1;
}
.project-slider-controls{
  display:flex;
  justify-content:space-between;
  margin-bottom:.5rem;
}
.project-slider-controls button{
  background:#111827;
  color:#f9fafb;
  border:none;
  border-radius:999px;
  width:2rem;
  height:2rem;
  cursor:pointer;
  font-size:1.1rem;
  line-height:1;
}
.project-slider-controls button:hover{
  background:#2563eb;
}

/* ========== About highlights & text ========== */
.about-highlights{
  list-style:none;
  display:grid;
  gap:.5rem;
  max-width:400px;
  margin:1rem auto;
}
.about-highlights li{
  padding-left:1.5rem;
  position:relative;
}
.about-highlights li::before{
  content:"✓";
  color:#2563eb;
  position:absolute;
  left:0;
  font-weight:bold;
}

/* slightly larger and wider about text */
#about p{
  font-size:1.05rem;
  max-width:750px;
}

/* ========== Contact (not currently used) ========== */
.contact-layout{
  display:grid;
  gap:2rem;
  max-width:800px;
  margin:0 auto;
}
.contact-info p{
  margin:.5rem 0;
  font-size:1.1rem;
}
.contact-form{
  display:grid;
  gap:1rem;
}
.contact-form label{
  display:grid;
  gap:.25rem;
  font-weight:500;
  font-size:.95rem;
}
input,
textarea{
  padding:.75rem;
  border:1px solid #d1d5db;
  border-radius:6px;
  font:inherit;
  font-size:1rem;
}
textarea{
  resize:vertical;
  min-height:100px;
}

/* ========== Footer ========== */
.site-footer{
  padding:1.5rem;
  text-align:center;
  background:#111827;
  color:#9ca3af;
  font-size:.9rem;
}

/* ========== Responsive ========== */
@media (min-width:768px){
  .grid-3{
    grid-template-columns:repeat(3,1fr);
  }
  .project-grid{
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  }
  .contact-layout{
    grid-template-columns:1fr 1fr;
    align-items:start;
  }
}

@media (max-width:600px){
  .site-header{
    flex-direction:column;
    align-items:flex-start;
    gap:.5rem;
  }
}