:root {
  --primary: #0f4c75;
  --secondary: #3282b8;
  --accent: #f2a365;
  --bg: #f7f9fb;
  --text: #1b262c;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Vazirmatn", "Tahoma", sans-serif;
  background: var(--bg);
  color: var(--text);
  direction: rtl;
  line-height: 1.8;
}

a {
  color: var(--secondary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

header {
  background: linear-gradient(120deg, var(--primary), var(--secondary));
  color: var(--white);
  padding: 1rem 0;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.brand {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand h1 {
  margin: 0;
  font-size: 1.4rem;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

nav a {
  color: var(--white);
  font-weight: 600;
}

.hero {
  background: var(--white);
  padding: 2rem;
  border-radius: 14px;
  margin: 2rem 0;
  box-shadow: 0 10px 30px rgba(16, 76, 117, 0.08);
}

.grid {
  display: grid;
  gap: 1.2rem;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: var(--white);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 8px 20px rgba(27, 38, 44, 0.08);
}

.card img {
  width: 100%;
  border-radius: 10px;
}

.button {
  display: inline-block;
  background: var(--accent);
  color: #1f1f1f;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 700;
}

section {
  margin-bottom: 2rem;
}

footer {
  margin-top: 2rem;
  background: #1b262c;
  color: #dbe4ea;
  padding: 1.2rem 0;
  font-size: 0.95rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
}

th,
td {
  border: 1px solid #dce3e8;
  padding: 0.7rem;
  text-align: right;
}

.notice {
  border-right: 5px solid var(--accent);
  background: #fff6ef;
  padding: 1rem;
  border-radius: 10px;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1rem 0;
}

.tab-chip {
  background: #e9f2fa;
  color: #0f4c75;
  border: 1px solid #b8d1e6;
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 700;
}

.tab-panel {
  background: var(--white);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 8px 20px rgba(27, 38, 44, 0.08);
  margin-bottom: 1rem;
}

.tab-panel h3 {
  margin-top: 0;
}