.top-nav {
  background: #1d5b91;
  border-top: 4px solid rgba(255,255,255,.75);
  border-bottom: 4px solid rgba(255,255,255,.9);
}

.top-nav-inner {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  max-width: 1200px;
  margin: 0 auto;
}

.top-nav a {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7px 10px;
  color: #fff;
  text-decoration: none;
  text-align: center;
  font-size: clamp(.78rem, 1.7vw, 1.05rem);
  font-weight: 650;
  letter-spacing: .02em;
}

.top-nav a:hover,
.top-nav a.active {
  background: #087bb9;
  color: #43e9ef;
}

.courses-hero {
  position: relative;
  min-height: 440px;
  display: grid;
  align-items: end;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(0,94,150,.15), rgba(0,166,200,.05)),
    url("HOME-PAGE-tt-background.jpg") center/cover no-repeat;
}

.courses-hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5,19,27,.86) 0%, rgba(5,19,27,.57) 52%, rgba(5,19,27,.13) 100%);
}

.courses-hero-content {
  position: relative;
  z-index: 1;
  color: white;
  padding: 70px 0 58px;
}

.courses-hero-content h1 {
  font-size: clamp(3.2rem, 8vw, 6rem);
}

.courses-section {
  padding: 64px 0;
  background: #eef3f6;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.course-card {
  overflow: hidden;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(4,20,28,.12);
  border: 1px solid rgba(0,126,152,.12);
}

.course-card-head {
  padding: 28px 28px 24px;
  color: white;
  background: linear-gradient(135deg, #007e98, #00a6c8);
}

.course-card.featured .course-card-head {
  background: linear-gradient(135deg, #075e9a, #00a6c8);
}

.course-card.elite .course-card-head {
  background: linear-gradient(135deg, #0b2932, #007e98);
}

.course-kicker {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: .11em;
  font-size: .76rem;
  font-weight: 850;
  opacity: .9;
}

.course-card h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
}

.course-period {
  margin: 12px 0 0;
  font-size: .94rem;
  opacity: .9;
}

.course-card-body {
  padding: 26px 28px 30px;
}

.course-card-body h3 {
  margin: 24px 0 10px;
  color: #007e98;
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.course-card-body h3:first-child { margin-top: 0; }
.course-card-body p { line-height: 1.55; }
.course-card-body ul { padding-left: 20px; line-height: 1.65; }

.course-note {
  margin-top: 22px;
  padding: 14px 16px;
  border-radius: 12px;
  background: #eef8fa;
  color: #30525c;
  font-size: .9rem;
  line-height: 1.5;
}

.course-location {
  padding: 58px 0;
  background: white;
}

.location-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
}

.course-location h2 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -.04em;
}

.location-contact {
  display: grid;
  gap: 12px;
  justify-items: end;
}

.location-contact > a:not(.button) {
  color: #007e98;
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 860px) {
  .courses-grid { grid-template-columns: 1fr; }
  .top-nav-inner { grid-template-columns: repeat(2, 1fr); }
  .top-nav a { border-bottom: 1px solid rgba(255,255,255,.12); }
  .location-grid { grid-template-columns: 1fr; }
  .location-contact { justify-items: start; }
}

@media (max-width: 760px) and (orientation: portrait) {
  .courses-hero { min-height: 360px; }
  .courses-hero-content { padding: 54px 0 44px; }
}