/* NyumbHUTni website styles
   Brand colours taken from the logo: earth brown + water blue */
:root {
  --brown: #a9552a;
  --brown-dark: #8a4320;
  --blue: #0b88d1;
  --blue-light: #e8f4fb;
  --text: #222222;
  --muted: #5f6368;
  --bg: #ffffff;
  --bg-soft: #f7f5f2;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

a { color: var(--blue); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.site-header {
  background: #fff;
  border-bottom: 3px solid var(--brown);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.logo {
  height: 99px;
  width: auto;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.main-nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 6px;
}

.main-nav a:hover {
  background: var(--blue-light);
  color: var(--blue);
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--brown) 0%, var(--brown-dark) 100%);
  color: #fff;
  padding: 70px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.2rem;
  line-height: 1.25;
  margin: 0 0 16px;
}

.hero p {
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0 auto 20px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 6px;
  border: 2px solid var(--blue);
  margin: 4px;
}

.btn:hover { background: #086fab; border-color: #086fab; }

.btn.ghost {
  background: transparent;
  border-color: #fff;
  color: #fff;
}

.btn.ghost:hover { background: rgba(255, 255, 255, 0.15); }

.btn.small { padding: 8px 14px; font-size: 0.9rem; margin: 0; }

/* ---------- Feature boxes ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  padding-top: 50px;
  padding-bottom: 20px;
}

.feature {
  background: var(--bg-soft);
  border-top: 4px solid var(--blue);
  border-radius: var(--radius);
  padding: 20px;
}

.feature h3 { margin-top: 0; color: var(--brown); }
.feature p { margin-bottom: 0; color: var(--muted); }

/* ---------- Product cards ---------- */
.sample-products { padding-top: 30px; padding-bottom: 60px; }

.sample-products h2 {
  text-align: center;
  color: var(--brown);
  font-size: 1.8rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  padding-bottom: 16px;
}

.card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  background: var(--bg-soft);
}

.card h4, .card p { padding: 0 16px; }
.card h4 { margin: 14px 0 6px; font-size: 1.15rem; }
.card p { color: var(--muted); margin: 0 0 12px; }

/* ---------- Forms (for the contact / quotation page) ---------- */
form { display: grid; gap: 12px; max-width: 600px; }
label { font-weight: 600; }
input, textarea, select {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font: inherit;
}
button {
  background: var(--blue);
  color: #fff;
  border: none;
  padding: 12px 22px;
  border-radius: 6px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #2b2b2b;
  color: #ddd;
  text-align: center;
  padding: 24px 0;
  font-size: 0.9rem;
}

/* ---------- Phones ---------- */
@media (max-width: 640px) {
  .header-inner { justify-content: center; }
  .main-nav { justify-content: center; }
  .logo { height: 52px; }
  .hero { padding: 50px 0; }
  .hero h1 { font-size: 1.6rem; }
}