:root {
  --navy: #000066;
  --navy-deep: #00004a;
  --lime: #c2d111;
  --lime-dark: #9eaa0c;
  --ink: #2a2d33;
  --muted: #505050;
  --paper: #f6f7f4;
  --white: #ffffff;
  --line: #d8dce3;
  --gold: #cb9822;
  --rust: #973436;
  --shadow: 0 18px 50px rgba(0, 0, 102, 0.14);
  --radius: 18px;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--navy);
}

h1,
h2,
h3 {
  font-family: Outfit, "Source Sans 3", sans-serif;
  line-height: 1.15;
  margin: 0 0 0.6rem;
  color: var(--navy);
}

h1 { font-size: clamp(2.8rem, 6vw, 4.6rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1rem; }

.container {
  width: min(var(--max), calc(100% - 2.4rem));
  margin-inline: auto;
}

.visually-hidden,
.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
}

.skip-link:focus {
  top: 1rem;
  background: var(--lime);
  color: var(--navy);
  padding: 0.6rem 1rem;
  font-weight: 700;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: rgba(194, 209, 17, 0.18);
  color: var(--lime);
  font-family: Outfit, sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow.dark {
  background: rgba(0, 0, 102, 0.08);
  color: var(--navy);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.7rem 1.25rem;
  border: 0;
  border-radius: 999px;
  font-family: Outfit, sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }
.btn-sm { min-height: 42px; padding-inline: 1rem; }
.btn-lime { background: var(--lime); color: var(--navy); }
.btn-lime:hover { background: #d0de2a; }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-ghost {
  background: transparent;
  color: var(--white);
  box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.45);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 84px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--navy);
}

.brand img {
  width: 132px;
  height: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  font-size: 0.78rem;
  line-height: 1.25;
}

.brand-text strong {
  font-family: Outfit, sans-serif;
  font-size: 1rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.site-nav ul {
  display: flex;
  gap: 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  text-decoration: none;
  font-weight: 600;
  color: var(--navy);
}

.site-nav a:hover { color: var(--lime-dark); }

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 10px;
  background: var(--navy);
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--lime);
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 55%, #001a80 100%);
  color: var(--white);
  padding: 5.5rem 0 5rem;
}

.hero h1,
.hero h2 { color: var(--white); }

.hero-pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 88% 18%, rgba(194, 209, 17, 0.22), transparent 28%),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.035) 0 2px, transparent 2px 16px);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.lead {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.84);
  max-width: 36rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.6rem 0 2rem;
}

.hero-meta {
  display: flex;
  gap: 2rem;
  margin: 0;
}

.hero-meta div { margin: 0; }
.hero-meta dt {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lime);
}
.hero-meta dd { margin: 0.15rem 0 0; font-weight: 600; }

.hero-card {
  background: var(--white);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 1.5rem 1.5rem 1.2rem;
  box-shadow: var(--shadow);
}

.hero-card h2 { color: var(--navy); font-size: 1.5rem; }
.hero-card-kicker {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
}

.hero-card-list {
  list-style: none;
  margin: 1.2rem 0;
  padding: 0;
}

.hero-card-list li {
  display: flex;
  gap: 0.85rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}

.hero-card-list strong,
.hero-card-list span { display: block; }
.hero-card-list span { color: var(--muted); font-size: 0.92rem; }

.dot {
  width: 10px;
  height: 10px;
  margin-top: 0.45rem;
  border-radius: 50%;
  flex: none;
}

.dot.lime { background: var(--lime-dark); }
.dot.gold { background: var(--gold); }
.dot.rust { background: var(--rust); }

.hero-card-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.section { padding: 5rem 0; }
.section-alt { background: var(--paper); }

.section-heading {
  max-width: 38rem;
  margin: 0 auto 2.5rem;
  text-align: center;
}

.section-heading.left {
  margin-left: 0;
  text-align: left;
}

.section-heading p { color: var(--muted); }

.feature-grid,
.course-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}

.feature-card,
.course-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.35rem 1.25rem 1.2rem;
}

.feature-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 0.9rem;
  border-radius: 12px;
  background: rgba(0, 0, 102, 0.07);
  color: var(--navy);
}

.feature-icon svg { width: 22px; height: 22px; }

.course-grid { grid-template-columns: repeat(2, 1fr); }

.course-tag {
  margin: 0 0 0.6rem;
  color: var(--lime-dark);
  font-family: Outfit, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.course-card a {
  font-weight: 700;
  text-decoration: none;
}

.course-card a:hover { text-decoration: underline; }

.audience {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2.5rem;
  align-items: start;
}

.audience-list {
  display: grid;
  gap: 1rem;
}

.audience-list article {
  padding: 1.2rem 1.3rem;
  border-left: 4px solid var(--lime);
  background: var(--paper);
  border-radius: 0 14px 14px 0;
}

.cta-band {
  background: var(--navy);
  color: var(--white);
}

.cta-band h2 { color: var(--white); }
.cta-band p { color: rgba(255, 255, 255, 0.82); }

.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.login-form,
.contact-form {
  display: grid;
  gap: 0.85rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  font: inherit;
  color: var(--ink);
  background: var(--white);
}

input:focus,
textarea:focus {
  outline: 3px solid var(--lime);
  outline-offset: 1px;
}

.login-form .btn { justify-self: start; }

.form-note {
  margin: 0;
  font-size: 0.95rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-details {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.contact-details li {
  display: grid;
  gap: 0.15rem;
  margin-bottom: 1rem;
}

.contact-details span {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
}

.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.75);
  padding: 1.4rem 0;
  font-size: 0.92rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer a { color: var(--lime); }

@media (max-width: 900px) {
  .hero-grid,
  .cta-inner,
  .contact-grid,
  .audience,
  .feature-grid,
  .course-grid {
    grid-template-columns: 1fr;
  }

  .hero { padding: 3.5rem 0 3rem; }

  .nav-toggle { display: inline-grid; place-items: center; }

  .site-nav {
    display: none;
    position: absolute;
    top: 84px;
    left: 0;
    right: 0;
    padding: 1rem 1.2rem 1.4rem;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav.is-open { display: flex; }

  .site-nav ul {
    flex-direction: column;
    gap: 0.7rem;
  }

  .brand-text { display: none; }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}