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

body {
  font-family: 'Inter', sans-serif;
  background: #f6f9ff;
  color: #1f2933;
}

/* NAVBAR */
.navbar {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
}

.nav-container {
  max-width: 1200px;
  margin: auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 96px;
  height: 96px;
  object-fit: contain;
  border-radius: 8px;
}

.logo {
  background: #3b5bdb;
  color: #fff;
  font-weight: 600;
  border-radius: 10px;
  padding: 10px 14px;
}

.brand-title {
  font-weight: 600;
}

.brand-sub {
  font-size: 13px;
  color: #6b7280;
}

nav a {
  margin-left: 24px;
  text-decoration: none;
  color: #374151;
}

nav a.active {
  font-weight: 600;
  color: #1d4ed8;
}

/* HERO */
.hero {
  max-width: 800px;
  margin: 80px auto;
  text-align: center;
}

.hero h1 {
  font-size: 38px;
  margin-bottom: 16px;
}

.hero p {
  font-size: 18px;
  color: #4b5563;
}

/* PRINCIPLES */
.principles {
  background: #eef4ff;
  padding: 80px 20px;
  text-align: center;
}

.principles h2 {
  font-size: 32px;
}

.subtitle {
  color: #475569;
  margin: 12px 0 40px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: auto;
}

.card {
  background: #ffffff;
  padding: 32px;
  border-radius: 16px;
}

.icon {
  background: #dbeafe;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #2563eb;
  margin-bottom: 16px;
}

/* PAGE */
.page {
  max-width: 900px;
  margin: 80px auto;
  padding: 0 20px;
}

.page h1 {
  font-size: 32px;
  margin-bottom: 24px;
}

.page p {
  margin-bottom: 16px;
  color: #374151;
}

.research-list li {
  margin-bottom: 12px;
  font-size: 18px;
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 32px;
  color: #6b7280;
  font-size: 14px;
}