:root {
  --blue: #3333ca;
  --navy: #24245f;
  --ink: #17172a;
  --paper: #f8f6f0;
  --pink: #e695d2;
  --mint: #7ddcb4;
  --yellow: #efc32e;
  --orange: #dd4c12;
  --muted: #545466;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3 { margin: 0; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 100;
  left: 1rem;
  top: -5rem;
  padding: .8rem 1rem;
  background: var(--yellow);
  color: var(--navy);
  font-weight: 800;
}
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 4px; }

.shell { width: min(100%, 1440px); margin-inline: auto; }
.site-header { border-bottom: 1px solid rgba(255,255,255,.25); background: var(--blue); color: #fff; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 1.25rem 3rem; }
.brand { display: flex; align-items: center; gap: .8rem; }
.brand img { width: 6rem; height: auto; }
.brand span { max-width: 12rem; font-size: .75rem; font-weight: 800; line-height: 1.25; letter-spacing: .12em; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 2rem; font-size: .9rem; font-weight: 700; }
.main-nav a { transition: color .16s ease; }
.main-nav a:hover { color: var(--yellow); }

.hero { background: var(--blue); color: #fff; }
.hero-grid { display: grid; min-height: calc(100vh - 81px); grid-template-columns: .95fr 1.05fr; }
.hero-copy { display: flex; flex-direction: column; justify-content: space-between; padding: 5rem 3rem; }
.fedar-logo { width: min(100%, 620px); height: auto; }
.hero-intro { max-width: 36rem; margin-top: 2rem; color: rgba(255,255,255,.85); font-size: 1.25rem; line-height: 1.65; }
.event-card { display: grid; max-width: 42rem; margin-top: 3rem; grid-template-columns: 1fr 1fr; border: 1px solid #fff; }
.event-date, .event-place { padding: 1.5rem; }
.event-date { background: var(--yellow); color: var(--navy); }
.eyebrow, .section-kicker { font-size: .75rem; font-weight: 900; line-height: 1.2; letter-spacing: .2em; text-transform: uppercase; }
.date-numbers { margin-top: .5rem; font-size: clamp(3rem, 5vw, 4.25rem); font-weight: 900; line-height: .95; letter-spacing: -.055em; }
.event-time { margin-top: .85rem; font-size: 1.125rem; font-weight: 800; }
.event-place .eyebrow { color: var(--mint); }
.place-name { margin-top: .85rem; font-weight: 800; line-height: 1.35; }
.event-place > p:last-child { margin-top: .55rem; color: rgba(255,255,255,.75); line-height: 1.45; }
.down-link { display: flex; width: fit-content; align-items: center; gap: .75rem; margin-top: 2.5rem; font-size: .85rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.down-link span, .outline-link span { font-size: 1.3rem; line-height: 1; }
.hero-art { display: flex; min-height: 0; align-items: center; justify-content: center; overflow: hidden; border-left: 1px solid rgba(255,255,255,.25); padding: 2rem 1rem; }
.hero-art img { width: 100%; max-height: 780px; object-fit: contain; }

.section { padding: 7rem 3rem; }
.intro-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 5rem; }
.section-kicker.blue { color: var(--blue); }
.section-kicker.orange { color: var(--orange); }
.section-kicker.mint { color: var(--mint); }
.section-kicker.pink { color: var(--pink); }
.section-kicker.light { color: rgba(255,255,255,.75); }
h2 { color: var(--navy); font-size: clamp(2.6rem, 5vw, 4.5rem); font-weight: 900; line-height: .97; letter-spacing: -.045em; }
.lead { max-width: 48rem; margin-top: 2rem; color: var(--muted); font-size: 1.2rem; line-height: 1.65; }
.lead.compact { max-width: 42rem; }

.talk-card { display: grid; margin-top: 4rem; grid-template-columns: .72fr 1.28fr; border: 1px solid var(--blue); background: #fff; }
.talk-heading { padding: 2rem; background: var(--pink); color: var(--navy); }
.talk-heading h3 { margin-top: 2.5rem; font-size: clamp(2rem, 3.2vw, 2.7rem); font-weight: 900; line-height: 1; letter-spacing: -.035em; text-transform: uppercase; }
.talk-info { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; padding: 2.5rem; }
.info-line { display: flex; align-items: flex-start; gap: .75rem; color: var(--navy); font-weight: 800; line-height: 1.45; }
.info-line svg, .area-card svg, .contact-link svg { width: 1.35rem; height: 1.35rem; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.info-line svg { margin-top: .05rem; color: var(--blue); }
.talk-description { grid-column: 1 / -1; color: var(--muted); line-height: 1.65; }

.axes-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-left: 1px solid var(--blue); }
.axis { min-height: 18rem; padding: 2rem; border-right: 1px solid var(--blue); border-bottom: 1px solid var(--blue); transition: transform .16s ease; }
.axis:hover { transform: translateY(-4px); }
.axis span { font-size: .75rem; font-weight: 900; letter-spacing: .18em; }
.axis h3 { margin-top: 4rem; font-size: 1.5rem; font-weight: 900; line-height: 1.2; letter-spacing: -.025em; }
.axis p { margin-top: 1rem; line-height: 1.6; opacity: .8; }
.axis-pink { background: var(--pink); color: var(--navy); }
.axis-mint { background: var(--mint); color: var(--navy); }
.axis-yellow { background: var(--yellow); color: var(--navy); }
.axis-orange { background: var(--orange); color: #fff; }

.observatory { position: relative; overflow: hidden; background: var(--blue); color: #fff; }
.observatory-grid { position: relative; display: grid; grid-template-columns: .7fr 1.3fr; gap: 4rem; padding: 7rem 3rem; }
.oad-logo { width: 16rem; height: auto; margin-top: 3rem; }
.observatory h2 { color: #fff; }
.observatory-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 2.5rem; color: rgba(255,255,255,.85); font-size: 1.125rem; line-height: 1.65; }
.decor { position: absolute; pointer-events: none; opacity: .9; }
.decor-mint { width: 24rem; right: -5rem; top: -6rem; transform: rotate(12deg); }
.decor-yellow { width: 24rem; left: -5rem; bottom: -7rem; transform: rotate(-12deg); }

.areas-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 4rem; border: 1px solid var(--blue); background: var(--blue); }
.area-card { display: flex; min-height: 13rem; flex-direction: column; justify-content: space-between; padding: 2.25rem; background: #fff; color: var(--navy); transition: background .16s ease; }
.area-card:hover { background: var(--mint); }
.area-card svg { width: 1.75rem; height: 1.75rem; color: var(--blue); }
.area-card h3 { max-width: 20rem; margin-top: 3rem; font-size: 1.25rem; font-weight: 900; line-height: 1.25; }

.coming-soon { position: relative; overflow: hidden; background: var(--yellow); color: var(--navy); }
.decor-orange { width: 20rem; right: -5rem; top: -5rem; transform: rotate(12deg); }
.coming-grid { position: relative; display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 2.5rem; padding: 5rem 3rem; }
.coming-soon h2 { max-width: 56rem; margin-top: 1.25rem; }
.coming-soon p:not(.section-kicker) { max-width: 42rem; margin-top: 1.5rem; color: rgba(36,36,95,.8); font-size: 1.125rem; line-height: 1.6; }
.outline-link { display: flex; width: fit-content; align-items: center; gap: .75rem; border: 1px solid var(--navy); padding: 1rem 1.25rem; font-size: .82rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; transition: color .16s ease, background .16s ease; }
.outline-link:hover { background: var(--navy); color: #fff; }

.site-footer { background: var(--navy); color: #fff; }
.footer-inner { padding: 6rem 3rem 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 3rem; }
.site-footer h2 { max-width: 55rem; margin-top: 2rem; color: #fff; }
.contact-list { display: flex; flex-direction: column; justify-content: end; }
.contact-link { display: flex; align-items: center; gap: .85rem; border-bottom: 1px solid rgba(255,255,255,.28); padding: 1.15rem 0; font-weight: 700; transition: color .16s ease, border-color .16s ease; }
.contact-link:hover { color: var(--mint); border-color: var(--mint); }
.external { margin-left: auto; font-size: 1.25rem; }
.social-mark { display: grid; width: 1.35rem; height: 1.35rem; flex: 0 0 auto; place-items: center; border: 1px solid currentColor; font-size: .55rem; font-weight: 900; letter-spacing: .04em; }
.partner-logos { display: flex; flex-wrap: wrap; align-items: center; gap: 3.5rem; margin-top: 4rem; border-top: 1px solid rgba(255,255,255,.2); padding-top: 2rem; }
.partner-logos img { width: 11rem; height: auto; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 5rem; border-top: 1px solid rgba(255,255,255,.2); padding-top: 1.5rem; color: rgba(255,255,255,.55); font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; }

@media (max-width: 1000px) {
  .hero-grid { min-height: auto; grid-template-columns: 1fr; }
  .hero-copy { min-height: 700px; padding: 4rem 2rem; }
  .hero-art { min-height: 520px; border-top: 1px solid rgba(255,255,255,.25); border-left: 0; }
  .intro-grid, .observatory-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .talk-card { grid-template-columns: .8fr 1.2fr; }
  .axes-grid { grid-template-columns: repeat(2, 1fr); }
  .areas-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .header-inner { padding: 1rem 1.25rem; }
  .brand img { width: 5.5rem; }
  .brand span { max-width: 10.5rem; font-size: .65rem; }
  .main-nav { display: none; }
  .hero-copy { min-height: auto; padding: 3rem 1.25rem; }
  .hero-intro { font-size: 1.08rem; }
  .event-card { grid-template-columns: 1fr; }
  .hero-art { min-height: 480px; padding: 1.5rem .5rem; }
  .section, .observatory-grid { padding: 5rem 1.25rem; }
  .intro-grid { gap: 2rem; }
  h2 { font-size: clamp(2.35rem, 12vw, 3.5rem); }
  .lead { margin-top: 1.5rem; font-size: 1.05rem; }
  .talk-card { grid-template-columns: 1fr; }
  .talk-info { grid-template-columns: 1fr; padding: 1.5rem; }
  .axes-grid, .areas-grid { grid-template-columns: 1fr; }
  .axis { min-height: 15rem; }
  .observatory-copy { grid-template-columns: 1fr; font-size: 1.05rem; }
  .decor-mint, .decor-yellow { width: 16rem; }
  .coming-grid { grid-template-columns: 1fr; align-items: start; padding: 4rem 1.25rem; }
  .footer-inner { padding: 5rem 1.25rem 2rem; }
  .partner-logos { gap: 2rem; }
  .partner-logos img { width: 9rem; }
  .footer-bottom { flex-direction: column; align-items: flex-start; line-height: 1.5; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}