:root {
  --primary-dark: #193250;
  --accent-deep: #0f1a2e;
  --footer-dark: #060e1a;
  --gold: #c8a951;
  --gold-dark: #987b2e;
  --cream: #faf7f2;
  --white: #fff;
  --text: #1a1a2e;
  --body: #4a4a5a;
  --heading: "Plus Jakarta Sans", sans-serif;
  --copy: "DM Sans", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { background: var(--cream); color: var(--body); font: 400 1rem/1.7 var(--copy); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
.page-width { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.section-pad { padding-block: 108px; }
.skip-link { position: fixed; z-index: 2000; top: -80px; left: 18px; padding: 12px 18px; background: var(--gold); color: var(--accent-deep); font-weight: 700; }
.skip-link:focus { top: 12px; }

.navbar { position: fixed; inset: 0 0 auto; z-index: 1000; min-height: 96px; padding: 1.35rem max(1.5rem, calc((100vw - 1280px) / 2)); display: flex; align-items: center; justify-content: space-between; background: rgba(15, 26, 46, .97); box-shadow: 0 8px 30px rgba(0,0,0,.18); }
.nav-logo { display: flex; align-items: center; gap: .8rem; color: var(--white); }
.nav-logo img { width: 48px; height: 48px; object-fit: contain; }
.nav-logo span { display: flex; flex-direction: column; }
.nav-logo strong { font: 800 1.32rem/1.15 var(--heading); }
.nav-logo small { color: rgba(255,255,255,.65); letter-spacing: 1.3px; text-transform: uppercase; }
.nav-menu { display: flex; align-items: center; gap: .2rem; list-style: none; }
.nav-menu > li > a { display: flex; align-items: center; gap: .4rem; padding: .8rem .9rem; color: var(--white); font: 500 1rem var(--heading); white-space: nowrap; }
.nav-menu > li > a:hover, .active-link, .dropdown-menu a[aria-current="page"] { color: var(--gold) !important; }
.has-dropdown { position: relative; }
.dropdown-menu { position: absolute; top: 100%; left: 0; min-width: 250px; padding: .5rem 0; background: var(--accent-deep); border: 1px solid rgba(255,255,255,.06); border-radius: 12px; box-shadow: 0 20px 45px rgba(0,0,0,.25); list-style: none; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .25s, visibility .25s, transform .25s; }
.has-dropdown:hover .dropdown-menu, .has-dropdown:focus-within .dropdown-menu, .has-dropdown.open .dropdown-menu { opacity: 1; visibility: visible; transform: none; }
.dropdown-menu a { display: block; padding: .72rem 1.2rem; color: #c7c9d2; font-size: .92rem; }
.dropdown-menu a:hover { background: rgba(200,169,81,.08); color: var(--gold); }
.hamburger { display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; z-index: 1001; }
.hamburger i { display: block; width: 25px; height: 3px; margin: 5px auto; background: var(--white); border-radius: 2px; transition: transform .3s, opacity .3s; }
.hamburger.active i:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active i:nth-child(2) { opacity: 0; }
.hamburger.active i:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.hero { position: relative; min-height: 770px; padding: 175px 24px 100px; overflow: hidden; display: grid; place-items: center; text-align: center; color: var(--white); background: radial-gradient(circle at 50% 30%, rgba(39,74,111,.95), rgba(15,26,46,.98) 65%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 72px 72px; }
.hero-ring { position: absolute; width: min(620px, 80vw); aspect-ratio: 1; border: 1px solid rgba(200,169,81,.18); border-radius: 50%; box-shadow: 0 0 0 40px rgba(200,169,81,.04), 0 0 0 82px rgba(200,169,81,.025); }
.hero-content { position: relative; z-index: 1; width: min(990px, 100%); }
.eyebrow { color: var(--gold); font: 700 .76rem var(--heading); letter-spacing: 3px; text-transform: uppercase; }
.hero h1 { margin: 24px auto 22px; max-width: 960px; font: 800 clamp(3rem, 7vw, 6rem)/1.04 var(--heading); letter-spacing: -3px; }
.hero h1 span, .section-heading h2 span { color: var(--gold); }
.hero-intro { max-width: 750px; margin-inline: auto; color: rgba(255,255,255,.74); font-size: clamp(1.05rem, 2vw, 1.3rem); }
.hero-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 13px 26px; margin: 31px auto; max-width: 920px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 9px; color: rgba(255,255,255,.87); }
.hero-meta svg, .contact-line svg { width: 20px; height: 20px; fill: none; stroke: var(--gold); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 11px; min-height: 58px; padding-inline: 31px; border-radius: 999px; font: 700 1rem var(--heading); transition: transform .2s, background-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--accent-deep); background: var(--gold); }
.button-primary:hover { background: #dfc479; }

.overview-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 85px; align-items: start; }
.section-heading h2 { margin-top: 14px; color: var(--text); font: 800 clamp(2.15rem, 4.6vw, 3.7rem)/1.15 var(--heading); letter-spacing: -1px; }
.eyebrow-dark { color: var(--gold-dark); }
.gold-line { width: 74px; height: 3px; margin-top: 24px; background: var(--gold); }
.overview-copy { padding-top: 34px; }
.overview-copy p { margin-bottom: 19px; font-size: 1.08rem; line-height: 1.9; }

.upcoming-section { color: var(--white); background: linear-gradient(135deg, var(--primary-dark), var(--accent-deep)); }
.light-heading h2 { color: var(--white); }
.featured-event { display: grid; grid-template-columns: 185px 1fr; gap: 40px; margin-top: 45px; padding: 42px; border: 1px solid rgba(255,255,255,.13); border-radius: 19px; background: rgba(255,255,255,.045); box-shadow: 0 25px 60px rgba(0,0,0,.16); }
.featured-event.has-poster { grid-template-columns: 185px minmax(0,1fr) minmax(230px,320px); align-items: center; }
.upcoming-poster { align-self: stretch; display: flex; min-height: 310px; overflow: hidden; flex-direction: column; justify-content: center; border: 1px solid rgba(255,255,255,.14); border-radius: 13px; background: rgba(255,255,255,.055); }
.upcoming-poster img { width: 100%; height: 100%; max-height: 410px; flex: 1; object-fit: contain; background: rgba(6,14,26,.4); }
.upcoming-poster span { padding: 10px 13px; color: var(--gold); background: rgba(6,14,26,.82); font: 700 .8rem var(--heading); text-align: center; }
.upcoming-list .featured-event + .featured-event { margin-top: 24px; }
.date-block { display: flex; min-height: 185px; flex-direction: column; align-items: center; justify-content: center; border-radius: 14px; color: var(--accent-deep); background: var(--gold); text-align: center; }
.date-block strong { font: 800 4.6rem/.9 var(--heading); }
.date-block span { margin-top: 13px; font: 700 1rem var(--heading); }
.date-block small { margin-top: 2px; font-weight: 600; }
.event-copy { align-self: center; }
.event-status { display: inline-block; padding: 6px 11px; color: var(--gold); border: 1px solid rgba(200,169,81,.48); border-radius: 999px; font: 700 .74rem var(--heading); letter-spacing: 1px; text-transform: uppercase; }
.event-copy h3 { margin: 16px 0 10px; color: var(--white); font: 700 clamp(1.4rem, 3vw, 2rem)/1.3 var(--heading); }
.event-subtitle { margin-bottom: 6px; color: var(--gold) !important; font-weight: 700; }
.event-copy > p { color: rgba(255,255,255,.7); }
.event-details { margin-top: 20px; }
.event-details summary { display: inline-flex; align-items: center; gap: 10px; color: var(--gold); font: 700 .96rem var(--heading); cursor: pointer; list-style: none; }
.event-details summary::-webkit-details-marker { display: none; }
.event-details summary span { transition: transform .2s; }
.event-details[open] summary span { transform: rotate(90deg); }
.details-content { margin-top: 22px; padding-top: 21px; border-top: 1px solid rgba(255,255,255,.12); }
.details-content dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.details-content dl div { display: flex; flex-direction: column; }
.details-content dt { color: rgba(255,255,255,.55); font-size: .78rem; text-transform: uppercase; letter-spacing: 1px; }
.details-content dd { color: var(--white); font-weight: 600; }
.details-content > p { margin-top: 18px; color: rgba(255,255,255,.7); }
.seminar-description { line-height: 1.8; }
.presentations { margin-top: 28px; }
.presentations h4 { margin-bottom: 15px; color: var(--white); font: 700 1.15rem var(--heading); }
.presentations ol { display: grid; gap: 12px; list-style: none; counter-reset: presentation; }
.presentations li { position: relative; padding: 20px 20px 20px 66px; border: 1px solid rgba(255,255,255,.11); border-radius: 12px; background: rgba(255,255,255,.04); counter-increment: presentation; }
.presentations li::before { content: counter(presentation, decimal-leading-zero); position: absolute; top: 19px; left: 20px; color: var(--gold); font: 800 1rem var(--heading); }
.presentations h5 { color: var(--white); font: 700 1rem/1.55 var(--heading); }
.presentations li p { margin-top: 9px; color: rgba(255,255,255,.78); }
.presentations li p span { display: block; margin-top: 3px; color: rgba(255,255,255,.58); font-size: .9rem; line-height: 1.55; }

.archive-heading { display: flex; align-items: end; justify-content: space-between; gap: 35px; }
.archive-heading > p { max-width: 360px; color: #747482; }
.archive-list { margin-top: 48px; border-top: 1px solid rgba(25,50,80,.13); }
.archive-card { display: grid; grid-template-columns: 260px 1fr; gap: 45px; padding: 39px 0; border-bottom: 1px solid rgba(25,50,80,.13); }
.archive-date time { display: flex; flex-direction: column; }
.archive-date strong { color: var(--gold-dark); font: 700 1rem var(--heading); }
.archive-date span { margin-top: 7px; color: #777784; }
.archive-summary h3 { color: var(--text); font: 700 1.35rem/1.4 var(--heading); }
.archive-summary > p { margin-top: 9px; }
.archive-details summary { color: var(--gold-dark); }
.archive-details .details-content { border-color: rgba(25,50,80,.12); }
.previous-grid { display: grid; grid-template-columns: minmax(280px, .95fr) 1.05fr; gap: 28px; }
.poster-link { display: block; width: min(760px, 100%); margin-top: 27px; overflow: hidden; border-radius: 12px; box-shadow: 0 15px 35px rgba(15,26,46,.13); }
.poster-link img { width: 100%; height: auto; object-fit: cover; }
.poster-link span { display: block; padding: 12px 16px; color: var(--gold-dark); background: var(--white); font-weight: 700; text-align: center; }
.archive-details dt { color: #7a7a86; }
.archive-details dd { color: var(--text); }
.archive-details .details-content p { color: var(--body); }
.archive-details .presentations h4, .archive-details .presentations h5 { color: var(--text); }
.archive-details .presentations li { border-color: rgba(25,50,80,.12); background: rgba(25,50,80,.035); }
.archive-details .presentations li p { color: var(--body); }
.archive-details .presentations li p span { color: #777784; }
.empty-state { margin-top: 42px; padding: 35px; border: 1px solid rgba(255,255,255,.12); border-radius: 16px; background: rgba(255,255,255,.04); }
.empty-state h3 { color: var(--white); font: 700 1.35rem var(--heading); }
.empty-state p { margin-top: 8px; color: rgba(255,255,255,.68); }
.archive-empty { border-color: rgba(25,50,80,.12); background: var(--white); }
.archive-empty p { margin: 0; color: var(--body); }

footer { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; padding: 4rem max(2rem, calc((100vw - 1200px) / 2)) 1.5rem; color: rgba(255,255,255,.58); background: var(--footer-dark); }
footer > div > p { max-width: 420px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand img { width: 48px; height: 48px; object-fit: contain; }
.footer-brand p { display: flex; flex-direction: column; }
.footer-brand strong { color: var(--gold); font: 700 1.2rem/1.2 var(--heading); }
.footer-brand small { font-size: 12px; letter-spacing: 1px; text-transform: uppercase; }
footer h2 { margin-bottom: 1rem; color: var(--white); font: 700 .95rem var(--heading); }
footer a { display: block; margin: .45rem 0; }
footer a:hover { color: var(--gold); }
.contact-line { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; }
.contact-line svg { margin-top: 4px; }
.copyright { grid-column: 1/-1; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.08); font-size: .84rem; }

@media (max-width: 1120px) {
  .navbar { padding-inline: 20px; }
  .nav-menu > li > a { padding-inline: .55rem; font-size: .88rem; }
  .featured-event.has-poster { grid-template-columns: 165px 1fr; }
  .upcoming-poster { grid-column: 1 / -1; width: min(650px,100%); min-height: 0; margin-inline: auto; }
  .upcoming-poster img { max-height: 520px; }
}

@media (max-width: 768px) {
  html { scroll-padding-top: 78px; }
  .page-width { width: min(100% - 32px, 620px); }
  .section-pad { padding-block: 76px; }
  .navbar { min-height: 76px; padding: .9rem 1rem; }
  
  .hamburger { display: block; }
  .nav-menu { position: fixed; top: 0; right: -100%; width: min(85%, 340px); height: 100vh; padding: 5.2rem 1.4rem 2rem; flex-direction: column; align-items: stretch; background: var(--primary-dark); box-shadow: -10px 0 35px rgba(0,0,0,.45); overflow: auto; transition: right .3s; }
  .nav-menu.active { right: 0; }
  .nav-menu > li > a { width: 100%; padding: .82rem 0; border-bottom: 1px solid rgba(255,255,255,.08); font-size: 1rem; }
  .has-dropdown .dropdown-menu { position: static; display: none; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; background: rgba(0,0,0,.13); margin: .2rem 0; }
  .has-dropdown.open .dropdown-menu { display: block; }
  .hero { min-height: 760px; padding: 135px 18px 80px; }
  .hero h1 { letter-spacing: -1.4px; }
  .hero-meta { flex-direction: column; align-items: center; }
  .overview-grid { grid-template-columns: 1fr; gap: 28px; }
  .overview-copy { padding-top: 0; }
  .featured-event { grid-template-columns: 1fr; gap: 25px; padding: 24px; }
  .featured-event.has-poster { grid-template-columns: 1fr; }
  .upcoming-poster { grid-column: auto; width: 100%; }
  .date-block { min-height: 150px; }
  .details-content dl { grid-template-columns: 1fr; }
  .archive-heading { display: block; }
  .archive-heading > p { margin-top: 25px; }
  .archive-card { grid-template-columns: 1fr; gap: 17px; }
  .previous-grid { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; padding: 3rem 1.5rem 1.5rem; }
  .copyright { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-left: 0.75rem;
}

.logo-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-heading);
  font-weight: 800;
  color: #fff;
  font-size: 1.25rem;
  line-height: 1.2;
  text-decoration: none;
}

.logo-subtitle {
  font-size: 0.75rem;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
}