:root {
  --navy: #1B2D5B;
  --navy-deep: #122044;
  --orange: #E8883A;
  --orange-dark: #C96E25;
  --cream: #F5F2EC;
  --white: #FFFFFF;
  --ink: #17213A;
  --muted: #5B6477;
  --line: #DDD8CF;
  --shadow: 0 22px 60px rgba(18, 32, 68, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Poppins", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
.shell { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }
.narrow { width: min(790px, 100%); }
.centered { text-align: left; }

.site-header { padding: 24px 0; background: var(--white); }
.brand-logo { width: 188px; height: auto; }

.hero {
  padding: 76px 0 94px;
  color: var(--white);
  background:
    radial-gradient(circle at 90% 14%, rgba(232, 136, 58, 0.19), transparent 31%),
    linear-gradient(135deg, var(--navy-deep), var(--navy));
}
.hero-content { max-width: 1000px; text-align: center; }
.eyebrow, .section-label, .card-kicker {
  margin: 0 0 18px;
  color: var(--orange);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .14em;
  line-height: 1.4;
  text-transform: uppercase;
}
.hero .eyebrow { font-size: .95rem; }
.hero h1 { max-width: 900px; margin: 0 auto 30px; font-size: clamp(2.6rem, 5vw, 4.7rem); line-height: 1.06; letter-spacing: -.045em; text-align: center; }
.hero-content > p:not(.eyebrow):not(.time-note) { max-width: 780px; margin: 0 auto 21px; color: rgba(255,255,255,.88); font-size: 1.12rem; text-align: center; }
.time-note { margin: 17px 0 0; font-size: .88rem; color: rgba(255,255,255,.7); }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 54px; margin-top: 26px; padding: 14px 26px; border: 0; border-radius: 9px; background: var(--orange); color: var(--navy-deep); font: inherit; font-size: .98rem; font-weight: 800; line-height: 1.2; text-decoration: none; cursor: pointer; box-shadow: 0 9px 24px rgba(232, 136, 58, .24); transition: transform .18s ease, background .18s ease, box-shadow .18s ease; }
.button:hover { transform: translateY(-2px); background: #F09A54; box-shadow: 0 13px 28px rgba(232, 136, 58, .3); }
.button:focus-visible { outline: 3px solid white; outline-offset: 3px; }
.registration-trigger { display: flex; width: max-content; margin-right: auto; margin-left: auto; }

.section { padding: 110px 0; }
.section h2, .final-cta h2 { margin: 0; color: var(--navy); font-size: clamp(2.1rem, 4vw, 3.55rem); line-height: 1.15; letter-spacing: -.035em; }
.section p { margin-top: 22px; }
.section-label { margin: 0 0 16px !important; }
.section-label.light { color: #FFB777; }
.world-section { background: var(--cream); }
.world-section h2 { text-align: center; }
.emphasis { color: var(--navy); font-weight: 700; }

.learn-section { background: var(--white); }
.learn-section .section-heading h2 { text-align: center; }
.section-heading { max-width: 770px; margin: 0 auto 55px; }
.learning-list { display: grid; gap: 0; max-width: 840px; margin: 0 auto; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.learning-list li { position: relative; padding: 25px 0 25px 42px; border-bottom: 1px solid var(--line); font-size: 1.05rem; line-height: 1.65; }
.learning-list li::before { content: ""; position: absolute; top: 35px; left: 5px; width: 12px; height: 12px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 5px rgba(232,136,58,.14); }
.learning-list strong { color: var(--navy); }
.section-cta { max-width: 840px; margin: 8px auto 0; }

.presenter-section { color: var(--white); background: var(--navy); }
.presenter-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 80px; align-items: center; }
.portrait-wrap { max-width: 430px; }
.portrait-wrap img { width: 100%; border-radius: 16px; }
.presenter-copy h2 { color: var(--white); }
.presenter-copy p { margin: 19px 0 0; color: rgba(255,255,255,.84); }
.presenter-copy strong { color: var(--white); }

.fit-section { background: var(--cream); }
.fit-content { max-width: 900px; }
.fit-heading { margin: 0 0 28px; }
.fit-heading h2 { text-align: center; }
.fit-intro { max-width: 840px; margin: 0 0 28px !important; color: var(--muted); }
.check-list { display: grid; gap: 13px; max-width: 840px; margin: 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding: 19px 22px 19px 58px; background: var(--white); border: 1px solid var(--line); border-radius: 11px; color: var(--navy); font-weight: 600; line-height: 1.5; }
.check-list li::before { content: "✓"; position: absolute; left: 21px; top: 18px; display: grid; place-items: center; width: 23px; height: 23px; border-radius: 50%; background: var(--orange); color: var(--navy-deep); font-size: .78rem; font-weight: 900; }

.faq-section { background: var(--white); }
.faq-shell { max-width: 900px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 25px 54px 25px 2px; color: var(--navy); font-size: 1.05rem; font-weight: 700; line-height: 1.5; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 5px; top: 18px; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: var(--cream); color: var(--orange-dark); font-size: 1.45rem; font-weight: 500; }
details[open] summary::after { content: "−"; }
details p { max-width: 760px; margin: -5px 54px 26px 2px !important; color: var(--muted); }

.final-cta { padding: 108px 0; color: var(--white); background: linear-gradient(145deg, var(--navy-deep), var(--navy)); }
.final-cta h2 { color: var(--white); text-align: center; }
.final-cta p:not(.section-label):not(.time-note) { color: rgba(255,255,255,.85); text-align: center; }
.final-cta .time-note { text-align: center; }
.button-light { color: var(--navy-deep); }
.light-text { color: rgba(255,255,255,.7); }

footer { padding: 33px 0; background: var(--cream); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.footer-inner img { width: 160px; }
.footer-inner p { margin: 0; color: var(--muted); font-size: .84rem; }

@media (max-width: 900px) {
  .presenter-grid { grid-template-columns: 1fr; }
  .presenter-grid { gap: 55px; }
  .portrait-wrap { width: min(420px, 88%); margin: 0 auto; }
}

@media (max-width: 640px) {
  body { font-size: 1rem; line-height: 1.68; }
  .shell { width: min(100% - 36px, 1160px); }
  .site-header { padding: 18px 0; }
  .brand-logo { width: 160px; }
  .hero { padding: 54px 0 64px; }
  .hero h1 { margin-bottom: 25px; font-size: clamp(2.2rem, 11vw, 3.05rem); line-height: 1.08; }
  .hero-content > p:not(.eyebrow):not(.time-note) { font-size: 1.04rem; line-height: 1.68; }
  .hero-content .button { width: 100%; margin-top: 10px; }
  .button { min-height: 56px; font-size: 1rem; }
  .section, .final-cta { padding: 76px 0; }
  .section h2, .final-cta h2 { font-size: 2.15rem; line-height: 1.18; }
  .section-heading { margin-bottom: 34px; }
  .learning-list li { padding: 22px 0 22px 36px; font-size: 1rem; }
  .learning-list li::before { top: 32px; left: 3px; width: 11px; height: 11px; }
  .portrait-wrap { width: 92%; }
  .presenter-copy p { font-size: 1rem; }
  .check-list li { padding: 17px 17px 17px 53px; font-size: .96rem; }
  .check-list li::before { left: 18px; top: 16px; }
  summary { padding: 22px 48px 22px 0; font-size: 1rem; }
  summary::after { right: 0; top: 16px; }
  details p { margin: -2px 35px 23px 0 !important; font-size: .97rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

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