:root {
  --brand: #9C1D04;
  --text: #222;
  --muted: #555;
  --bg: #fafafa;
  --card: #ffffff;
  --border: #e6e6e6;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Mulish', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* Images responsive */
img {
  max-width: 100%;
  height: auto;
}

header {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 4px 14px rgba(0,0,0,.12);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 20px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.brand img {
  height: 48px;
  border-radius: 8px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 0;
}

nav a {
  color: #fff;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 8px;
}

nav a:hover {
  background: rgba(255,255,255,.15);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px;
}

h1, h2, h3 {
  font-family: 'Mulish', Arial, sans-serif;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--brand);
}

h1 {
  font-size: 2rem;
  margin: 0 0 10px;
}

h2 {
  margin-top: 30px;
}

p, li {
  line-height: 1.6;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.btn {
  padding: 12px 18px;
  border-radius: 10px;
  border: 0;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.btn:hover {
  opacity: 0.9;
}

footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

.foot {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 20px;
  color: var(--muted);
  font-size: .95rem;
  display: flex;
  justify-content: space-between;
}

#menu-support img {
  height: 30px;
  vertical-align: middle;
  border-radius: 6px;
}