* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  color: #1f2937;
  background: #f8fafc;
}

/* ===== HEADER ===== */
.header {
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,.05);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  font-size: 22px;
  font-weight: bold;
}

.accent {
  color: #f59e0b;
}

.nav a {
  margin: 0 15px;
  text-decoration: none;
  color: #475569;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.login {
  text-decoration: none;
  color: #475569;
}

.btn-primary {
  background: #f59e0b;
  color: white;
  padding: 10px 18px;
  border-radius: 6px;
  text-decoration: none;
}

.btn-secondary {
  border: 1px solid #cbd5e1;
  padding: 10px 18px;
  border-radius: 6px;
  text-decoration: none;
  color: #334155;
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(#eef6ff, #ffffff);
  padding: 80px 20px;
  text-align: center;
}

.center-logo {
  font-size: 60px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 15px;
}

.subtitle {
  max-width: 700px;
  margin: 0 auto 30px;
  color: #475569;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 50px;
}

/* ===== CATEGORIES ===== */
.categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 900px;
  margin: 0 auto;
}

.category {
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,.05);
  font-weight: bold;
}

/* ===== INFO ===== */
.info {
  padding: 60px 20px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.info-box {
  background: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,.05);
}

.info-box h3 {
  margin-bottom: 10px;
}

.info-box ul {
  padding-left: 20px;
}