/* ==== Color tokens (from logo) ==== */
:root {
  --mb-navy: #223d68;
  --mb-blue: #2f78a8;
  --mb-silver: #d6dde4;
  --mb-light: #f5f7fb;
  --mb-text: #1f2933;
}

/* ==== Base ==== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--mb-text);
  background: radial-gradient(circle at top left, #ffffff 0, var(--mb-light) 45%, #ffffff 100%);
}

/* ==== Layout helpers ==== */
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==== Header / Navbar ==== */
.mb-header {
  background: linear-gradient(120deg, var(--mb-navy), var(--mb-blue));
  color: #fff;
  padding: 0.75rem 0;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

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

.mb-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #fff;
}

.mb-logo img {
  height: 40px;
}

.mb-logo span {
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 1rem;
}

.mb-nav {
  display: flex;
  gap: 1.25rem;
  font-size: 0.95rem;
}

.mb-nav a {
  color: #e5edf7;
  text-decoration: none;
  position: relative;
  padding-bottom: 0.2rem;
}

.mb-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  border-radius: 999px;
  background: #ffffff;
  transition: width 0.25s ease;
}

.mb-nav a:hover::after {
  width: 100%;
}

/* ==== Hero ==== */
.mb-hero {
  padding: 4rem 0 3rem;
  text-align: center;
}

.mb-hero-title {
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mb-navy);
}

.mb-hero-subtitle {
  margin-top: 0.75rem;
  max-width: 540px;
  margin-inline: auto;
  font-size: 1.02rem;
  color: #4b5563;
}

.mb-hero::after {
  content: "";
  display: block;
  margin: 3rem auto 0;
  width: 80%;
  max-width: 720px;
  height: 80px;
  border-radius: 50% 50% 0 0;
  background: linear-gradient(
    to right,
    rgba(34, 61, 104, 0.18),
    rgba(214, 221, 228, 0.4),
    rgba(34, 61, 104, 0.18)
  );
  mask-image: radial-gradient(circle at top, black 55%, transparent 75%);
}

/* ==== Buttons ==== */
.mb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.6rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.mb-btn-primary {
  background: linear-gradient(135deg, var(--mb-navy), var(--mb-blue));
  color: #fff;
  box-shadow: 0 10px 25px rgba(34, 61, 104, 0.35);
}

.mb-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(34, 61, 104, 0.45);
}

.mb-btn-outline {
  background: transparent;
  border: 1px solid var(--mb-blue);
  color: var(--mb-navy);
}

.mb-btn-outline:hover {
  background: var(--mb-blue);
  color: #fff;
}

.mb-btn + .mb-btn {
  margin-left: 1rem;
}

/* ==== Cards ==== */
.mb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  padding: 2rem 0 3rem;
}

.mb-card {
  background: #ffffff;
  border-radius: 1.1rem;
  padding: 1.25rem 1.4rem;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  border-top: 3px solid var(--mb-blue);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.mb-card-title {
  font-weight: 600;
  color: var(--mb-navy);
}

.mb-card-meta {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #6b7280;
}

.mb-card-text {
  font-size: 0.9rem;
  color: #4b5563;
}

/* ==== Footer ==== */
.mb-footer {
  border-top: 1px solid var(--mb-silver);
  padding: 1.5rem 0 2rem;
  font-size: 0.8rem;
  color: #6b7280;
  text-align: center;
}

/* ==== Small screens ==== */
@media (max-width: 640px) {
  .mb-header-inner {
    flex-direction: column;
    gap: 0.75rem;
  }

  .mb-nav {
    justify-content: center;
    flex-wrap: wrap;
  }
}