/* ---------- Color palette ---------- */
:root {
  --primary: #FF0000;   /* red */
  --dark:    #000000;   /* black */
  --light:   #FFFFFF;   /* white */
  --grey:    #F5F5F5;
  --max-width: 1140px;
  font-size: 16px;
}

/* ---------- Global resets ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", Roboto, sans-serif;
  color: var(--dark);
  background: var(--grey);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- Layout helpers ---------- */
.container { max-width: var(--max-width); margin: auto; padding: 0 1rem; }
.flex      { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.grid-3    { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit,minmax(250px,1fr)); }

.btn {
  background: var(--primary);
  color: var(--light);
  padding: .75rem 1.5rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background .2s;
}
.btn:hover { background: #cc0000; }

/* ---------- Header & navigation ---------- */
header {
  background: var(--dark);
  color: var(--light);
}
nav  { display: flex; justify-content: space-between; align-items: center; padding: 1rem 0; }
nav .logo { font-size: 1.5rem; font-weight: 600; }
nav ul    { gap: 1.25rem; }
nav li a:hover { color: var(--primary); }

/* ---------- Hero ---------- */
.hero {
  background: url('hero-placeholder.jpg') center/cover no-repeat;
  color: var(--light);
  text-align: center;
  padding: 10rem 1rem;
}
.hero h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.hero p  { margin-bottom: 2rem; }

/* ---------- Cards ---------- */
.card {
  background: var(--light);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,.07);
  text-align: center;
}
.card img { height: auto; object-fit: cover; }
.card h3 { padding: 1rem; }

/* ---------- Forms ---------- */
form { background: var(--light); padding: 2rem; border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,.07); }
form .field { margin-bottom: 1.25rem; }
form label  { display: block; margin-bottom: .35rem; font-weight: 600; }
form input, form textarea, form select {
  width: 100%; padding: .65rem .75rem; border: 1px solid #ccc; border-radius: 4px;
}
form textarea { resize: vertical; min-height: 120px; }

/* ---------- Footer ---------- */
footer {
  background: var(--dark);
  color: var(--light);
  text-align: center;
  padding: 1.5rem 1rem;
  margin-top: 4rem;
  font-size: .9rem;
}

/* ---------- Responsive tweaks ---------- */
@media (min-width: 768px) {
  .hero h1 { font-size: 3.25rem; }
}