:root {
  --navy: #071a2b;
  --navy-2: #0d2942;
  --blue: #0f5fa8;
  --blue-2: #1682c4;
  --cyan: #4bc1d8;
  --ink: #172331;
  --muted: #5f6b78;
  --line: #dfe6ec;
  --soft: #f4f8fb;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(7, 26, 43, .13);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }

.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 104px 0; }
.section-soft { background: var(--soft); }
.section-dark {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 10%, rgba(75,193,216,.16), transparent 28%),
    linear-gradient(145deg, #061522, #0a2943 58%, #0b3150);
  color: white;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -60px;
  z-index: 999;
  background: white;
  color: var(--navy);
  padding: 10px 14px;
  border-radius: 10px;
  box-shadow: var(--shadow);
}
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(7,26,43,.07);
}
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: white;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .04em;
  background: linear-gradient(145deg, var(--navy), var(--blue));
}
.brand-text { display: flex; flex-direction: column; line-height: 1.12; }
.brand-text strong { font-size: .96rem; }
.brand-text small { color: var(--muted); font-size: .7rem; margin-top: 4px; letter-spacing: .04em; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 27px; font-size: .91rem; font-weight: 700; }
.main-nav > a:not(.btn) { position: relative; }
.main-nav > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: -7px; height: 2px;
  background: var(--blue);
  transition: right .25s ease;
}
.main-nav > a:not(.btn):hover::after { right: 0; }

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 0; border-radius: 12px;
  background: var(--soft);
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 21px; height: 2px;
  margin: 5px auto;
  background: var(--navy);
  transition: .2s ease;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 51px;
  padding: 0 23px;
  border: 0;
  border-radius: 13px;
  font-weight: 800;
  font-size: .91rem;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--blue), #0a74b9);
  box-shadow: 0 12px 28px rgba(15,95,168,.23);
}
.btn-primary:hover { box-shadow: 0 15px 34px rgba(15,95,168,.32); }
.btn-ghost { color: var(--navy); background: transparent; border: 1px solid rgba(7,26,43,.17); }
.btn-small { min-height: 42px; padding: 0 17px; border-radius: 11px; }
.btn-light { background: white; color: var(--navy); }
.btn-full { width: 100%; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 720px;
  display: flex;
  align-items: center;
  padding: 88px 0 92px;
  background:
    linear-gradient(180deg, #ffffff 0%, #f7fbfd 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(7,26,43,.15), transparent);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
  pointer-events: none;
}
.hero-orb-a { width: 420px; height: 420px; background: rgba(22,130,196,.08); right: -120px; top: -120px; }
.hero-orb-b { width: 300px; height: 300px; background: rgba(75,193,216,.08); left: -100px; bottom: -90px; }

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.18fr .82fr;
  gap: 76px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  color: var(--blue);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.hero h1, .section-heading h2, .about-copy h2, .cta-copy h2 {
  margin: 17px 0 20px;
  font-family: "Source Serif 4", Georgia, serif;
  line-height: 1.04;
  letter-spacing: -.035em;
  color: var(--navy);
}
.hero h1 { font-size: clamp(3.15rem, 5.3vw, 5.2rem); max-width: 840px; }
.hero h1 span { color: var(--blue); }
.hero-lead { max-width: 710px; margin: 0; color: var(--muted); font-size: 1.09rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 31px; }
.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 700px;
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero-meta div { display: flex; flex-direction: column; }
.hero-meta strong { color: var(--navy); font-size: .96rem; }
.hero-meta span { color: var(--muted); font-size: .76rem; margin-top: 3px; }

.hero-photo-wrap { position: relative; }
.hero-photo-wrap::before {
  content: "";
  position: absolute;
  width: 74%;
  aspect-ratio: 1;
  border: 1px solid rgba(15,95,168,.18);
  border-radius: 50%;
  right: -18%;
  top: 3%;
}
.hero-photo-card {
  position: relative;
  overflow: hidden;
  border-radius: 36px;
  box-shadow: var(--shadow);
  background: #eef3f7;
}
.hero-photo-card img { width: 100%; aspect-ratio: .86; object-fit: cover; object-position: 50% 26%; }
.photo-caption {
  position: absolute;
  left: 18px; right: 18px; bottom: 18px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  color: white;
  background: rgba(7,26,43,.84);
  backdrop-filter: blur(12px);
}
.photo-caption span { font-size: .72rem; opacity: .75; text-transform: uppercase; letter-spacing: .1em; }
.photo-caption strong { font-size: 1.06rem; margin-top: 3px; }
.photo-caption small { opacity: .78; margin-top: 2px; }

.audience-strip { background: var(--navy); color: rgba(255,255,255,.82); }
.audience-grid {
  min-height: 82px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  align-items: center;
  gap: 20px;
  text-align: center;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
}
.audience-grid span + span { border-left: 1px solid rgba(255,255,255,.12); }

.section-heading { max-width: 810px; margin-bottom: 48px; }
.section-heading h2, .about-copy h2, .cta-copy h2 { font-size: clamp(2.35rem, 4vw, 4rem); }
.section-heading p { margin: 0; color: var(--muted); max-width: 700px; font-size: 1rem; }
.section-heading-light h2 { color: white; }
.section-heading-light p { color: rgba(255,255,255,.7); }
.section-heading-light .eyebrow { color: var(--cyan); }

.cards-grid { display: grid; gap: 21px; }
.cards-grid-3 { grid-template-columns: repeat(3, 1fr); }
.topic-card {
  position: relative;
  padding: 30px;
  min-height: 330px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.topic-card:hover {
  transform: translateY(-6px);
  border-color: rgba(15,95,168,.2);
  box-shadow: 0 22px 55px rgba(7,26,43,.09);
}
.topic-number {
  position: absolute;
  top: 24px;
  right: 26px;
  color: #a8b5c0;
  font-size: .72rem;
  font-weight: 800;
}
.topic-icon {
  width: 50px; height: 50px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  color: var(--blue);
  background: #eaf5fb;
  font-size: .84rem;
  font-weight: 800;
}
.topic-card h3 { margin: 24px 0 12px; color: var(--navy); font-size: 1.17rem; line-height: 1.35; }
.topic-card p { margin: 0 0 22px; color: var(--muted); font-size: .9rem; }
.topic-card a {
  margin-top: auto;
  color: var(--blue);
  font-size: .84rem;
  font-weight: 800;
}
.topic-card a span { margin-left: 4px; transition: margin .2s ease; }
.topic-card a:hover span { margin-left: 9px; }

.course-layout {
  display: grid;
  grid-template-columns: 1.36fr .64fr;
  gap: 42px;
  align-items: start;
}
.course-list { border-top: 1px solid rgba(255,255,255,.15); }
.course-item {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 20px;
  padding: 27px 0;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.course-item > span {
  color: var(--cyan);
  font-size: .77rem;
  font-weight: 800;
}
.course-item h3 { margin: 0 0 7px; font-size: 1.1rem; }
.course-item p { margin: 0; color: rgba(255,255,255,.65); font-size: .89rem; }
.course-box {
  position: sticky;
  top: 110px;
  padding: 32px;
  border-radius: 26px;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.13);
  backdrop-filter: blur(10px);
}
.mini-label { color: var(--cyan); font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.course-box h3 { margin: 11px 0 14px; font-family: "Source Serif 4", Georgia, serif; font-size: 2rem; line-height: 1.14; }
.course-box p { color: rgba(255,255,255,.69); font-size: .9rem; margin: 18px 0 25px; }
.duration-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 21px; }
.duration-pills span {
  padding: 6px 11px;
  border-radius: 99px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.12);
  font-size: .75rem;
  font-weight: 700;
}

.areas-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.area-card {
  min-height: 250px;
  padding: 26px;
  border-radius: 21px;
  background: var(--soft);
  border: 1px solid #eaf0f4;
}
.area-card > span { color: var(--blue); font-size: .72rem; font-weight: 800; }
.area-card h3 { margin: 48px 0 10px; color: var(--navy); font-size: 1rem; }
.area-card p { margin: 0; color: var(--muted); font-size: .83rem; }

.about-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 70px;
  align-items: center;
}
.about-photo { position: relative; }
.about-photo img { width: 100%; max-height: 570px; object-fit: cover; object-position: center 22%; border-radius: 30px; box-shadow: var(--shadow); }
.about-photo-badge {
  position: absolute;
  right: -20px;
  bottom: 34px;
  padding: 16px 19px;
  border-radius: 15px;
  color: white;
  background: var(--blue);
  font-size: .8rem;
  font-weight: 800;
  box-shadow: 0 16px 34px rgba(15,95,168,.25);
}
.about-copy p { color: var(--muted); }
.about-copy .about-intro { color: var(--ink); font-weight: 700; font-size: 1.06rem; }
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.about-tags span {
  padding: 8px 12px;
  border-radius: 999px;
  background: white;
  border: 1px solid var(--line);
  color: var(--navy);
  font-size: .75rem;
  font-weight: 700;
}

.cta-section { background: white; }
.cta-card {
  overflow: hidden;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 56px;
  padding: 58px;
  border-radius: 32px;
  background:
    radial-gradient(circle at 15% 15%, rgba(75,193,216,.1), transparent 25%),
    linear-gradient(145deg, #061827, #0b3150);
  color: white;
  box-shadow: var(--shadow);
}
.cta-copy h2 { color: white; }
.cta-copy p { color: rgba(255,255,255,.7); }
.cta-copy .eyebrow { color: var(--cyan); }
.contact-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }
.contact-chips span {
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.79);
  font-size: .72rem;
  font-weight: 700;
}
.contact-form {
  padding: 28px;
  border-radius: 23px;
  background: white;
  color: var(--ink);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.contact-form label {
  display: block;
  margin-bottom: 12px;
  color: #2c3a47;
  font-size: .76rem;
  font-weight: 800;
}
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%;
  margin-top: 6px;
  border: 1px solid #dce5eb;
  border-radius: 11px;
  background: #fbfdfe;
  padding: 12px 13px;
  color: var(--ink);
  outline: none;
  transition: border .2s ease, box-shadow .2s ease;
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  border-color: rgba(15,95,168,.65);
  box-shadow: 0 0 0 4px rgba(15,95,168,.08);
}
.contact-form textarea { resize: vertical; }
.form-note { margin: 11px 0 0; color: #7b8792; font-size: .7rem; text-align: center; }

.site-footer { padding: 52px 0 36px; background: #05131f; color: rgba(255,255,255,.73); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 30px; align-items: end; }
.brand-footer .brand-text strong { color: white; }
.brand-footer .brand-text small { color: rgba(255,255,255,.48); }
.site-footer p { max-width: 420px; font-size: .82rem; color: rgba(255,255,255,.48); }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 20px; font-size: .78rem; }
.footer-links a:hover { color: white; }
.footer-copy { display: flex; flex-direction: column; align-items: flex-end; font-size: .73rem; color: rgba(255,255,255,.42); }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .hero-grid { grid-template-columns: 1fr .72fr; gap: 42px; }
  .cards-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .areas-grid { grid-template-columns: repeat(3, 1fr); }
  .main-nav { gap: 18px; }
}

@media (max-width: 860px) {
  .section { padding: 78px 0; }
  .menu-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 78px;
    left: 20px;
    right: 20px;
    padding: 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    background: white;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .main-nav > a { padding: 10px 8px; }
  .hero { padding-top: 62px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-photo-wrap { max-width: 570px; }
  .hero-meta { max-width: none; }
  .audience-grid { grid-template-columns: repeat(3, 1fr); padding: 18px 0; }
  .audience-grid span { padding: 7px 0; }
  .audience-grid span + span { border-left: 0; }
  .course-layout, .about-grid, .cta-card { grid-template-columns: 1fr; }
  .course-box { position: static; }
  .about-photo { max-width: 560px; }
  .about-photo-badge { right: 18px; }
  .cta-card { padding: 38px; }
  .footer-grid { grid-template-columns: 1fr; align-items: start; }
  .footer-copy { align-items: flex-start; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1180px); }
  .hero h1 { font-size: clamp(2.7rem, 13vw, 4rem); }
  .hero-meta { grid-template-columns: 1fr; gap: 12px; }
  .hero-meta div { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
  .hero-meta div:last-child { border-bottom: 0; }
  .hero-photo-card { border-radius: 24px; }
  .cards-grid-3, .areas-grid { grid-template-columns: 1fr; }
  .topic-card { min-height: 280px; }
  .area-card { min-height: 190px; }
  .area-card h3 { margin-top: 30px; }
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .course-item { grid-template-columns: 36px 1fr; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .cta-card { padding: 26px 18px; border-radius: 24px; }
  .contact-form { padding: 20px; }
  .photo-caption { left: 12px; right: 12px; bottom: 12px; }
}