:root {
  --color-primary: #244a7c;
  --color-primary-dark: #142f52;
  --color-primary-soft: #e8eff7;
  --color-secondary: #2f753c;
  --color-secondary-dark: #1f542b;
  --color-accent: #f2ba18;
  --color-accent-dark: #c18c00;
  --color-background: #ffffff;
  --color-surface: #f5f8fb;
  --color-text: #152234;
  --color-text-light: #586677;
  --color-border: #d7e0e9;
  --shadow-soft: 0 18px 48px rgba(20, 47, 82, .1);
  --radius: 18px;
  --max-width: 1180px;
  --header-height: 82px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 1rem); }
body { margin: 0; color: var(--color-text); background: var(--color-background); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 1rem; line-height: 1.65; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.025em; }
h1 { font-size: clamp(2.55rem, 5.8vw, 5.1rem); max-width: 13ch; margin-bottom: 1.5rem; }
h2 { font-size: clamp(2rem, 4vw, 3.45rem); margin-bottom: 1.25rem; }
h3 { font-size: 1.15rem; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 4px; }
.container { width: min(calc(100% - 2.5rem), var(--max-width)); margin-inline: auto; }
.section { padding: clamp(4.75rem, 9vw, 8.5rem) 0; }
.section-light { background: var(--color-surface); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: .5rem; left: .5rem; z-index: 1000; padding: .8rem 1rem; color: #fff; background: var(--color-primary-dark); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 100; height: var(--header-height); background: rgba(255,255,255,.97); border-bottom: 1px solid rgba(36,74,124,.12); backdrop-filter: blur(14px); }
.header-inner { min-height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand img { width: 196px; max-height: 64px; object-fit: contain; object-position: left center; }
.site-nav { display: flex; align-items: center; gap: 1.3rem; }
.site-nav > a:not(.button) { color: var(--color-primary-dark); text-decoration: none; font-size: .91rem; font-weight: 700; }
.site-nav > a:not(.button):hover { color: var(--color-secondary); }
.menu-toggle { display: none; border: 0; background: transparent; width: 46px; height: 46px; padding: 10px; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; margin: 6px 0; background: var(--color-primary-dark); transition: .2s ease; }

.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: .76rem 1.3rem; border: 2px solid transparent; border-radius: 999px; font-weight: 800; letter-spacing: .015em; line-height: 1.2; text-decoration: none; text-align: center; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease; }
.button:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(13,35,60,.18); }
.button-small { min-height: 42px; padding: .62rem 1.1rem; }
.button-large { min-height: 58px; padding-inline: 1.7rem; }
.button-primary { color: #fff; background: var(--color-primary); }
.button-accent { color: #14243a; background: var(--color-accent); border-color: var(--color-accent); }
.button-ghost { color: #fff; border-color: rgba(255,255,255,.68); background: transparent; }
.button:disabled { cursor: not-allowed; opacity: .78; }

.hero { position: relative; isolation: isolate; min-height: calc(100vh - var(--header-height)); display: grid; align-items: center; padding: clamp(4.5rem, 8vw, 8rem) 0; overflow: hidden; color: #fff; background: var(--color-primary-dark); }
.hero::before { content: ""; position: absolute; z-index: -2; right: -9rem; bottom: -22rem; width: 48rem; height: 48rem; border: 82px solid var(--color-secondary); border-radius: 50%; opacity: .8; }
.hero::after { content: ""; position: absolute; z-index: -1; right: -4rem; bottom: -13rem; width: 38rem; height: 24rem; border-top: 36px solid var(--color-accent); border-radius: 50%; transform: rotate(-8deg); }
.hero-grid { position: absolute; z-index: -3; inset: 0; opacity: .15; background-image: linear-gradient(rgba(255,255,255,.35) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.35) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to right, transparent, #000); }
.hero-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .55fr); gap: clamp(3rem, 7vw, 7rem); align-items: end; }
.eyebrow, .section-index { margin-bottom: 1.1rem; color: var(--color-secondary); font-size: .78rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.hero .eyebrow { color: var(--color-accent); }
.hero-theme { max-width: 690px; margin-bottom: 2rem; font-size: clamp(1.13rem, 2vw, 1.5rem); line-height: 1.45; color: #dce8f4; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; }
.event-summary { position: relative; padding: 2rem; border: 1px solid rgba(255,255,255,.25); border-radius: var(--radius); background: rgba(255,255,255,.1); box-shadow: var(--shadow-soft); backdrop-filter: blur(8px); }
.summary-mark { position: absolute; right: 1.4rem; top: -3.2rem; color: var(--color-accent); font-size: 6.5rem; font-weight: 900; line-height: 1; opacity: .9; }
.event-summary dl, .event-summary dd { margin: 0; }
.event-summary dl { display: grid; gap: 1.15rem; }
.event-summary dl > div { padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.2); }
.event-summary dt { color: var(--color-accent); font-size: .74rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.event-summary dd { font-size: 1.05rem; font-weight: 750; }

.quick-facts { color: #fff; background: var(--color-primary); }
.quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.quick-grid > div { display: grid; grid-template-columns: auto 1fr; gap: 1.1rem; align-items: center; min-height: 120px; padding: 1.4rem 2rem; border-left: 1px solid rgba(255,255,255,.18); }
.quick-grid > div:last-child { border-right: 1px solid rgba(255,255,255,.18); }
.quick-grid p { margin: 0; color: #dbe8f6; }
.quick-grid strong { display: block; color: #fff; }
.fact-number { color: var(--color-accent); font-size: 1.55rem; font-weight: 900; }

.two-column { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 8vw, 8rem); }
.section-heading { max-width: 720px; }
.lead { color: var(--color-text-light); font-size: 1.12rem; }
.about-copy p { color: #39495b; }
.council-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 3.5rem; }
.council-card { display: grid; grid-template-columns: auto 1fr; gap: 1.5rem; align-items: center; padding: 2rem; border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-soft); }
.council-card > strong { color: var(--color-primary); font-size: clamp(3.6rem, 8vw, 6.6rem); line-height: .8; letter-spacing: -.08em; }
.council-card h3, .council-card p { margin-bottom: .3rem; }
.council-card p { color: var(--color-text-light); }

.theme-section { position: relative; padding: clamp(5rem, 9vw, 9rem) 0; color: #fff; background: var(--color-primary); overflow: hidden; }
.theme-section::after { content: ""; position: absolute; right: -14rem; top: -22rem; width: 40rem; height: 40rem; border: 60px solid var(--color-secondary); border-radius: 50%; opacity: .65; }
.theme-layout { position: relative; z-index: 1; display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: 4rem; }
.theme-section h2 { max-width: 18ch; margin: 0; font-size: clamp(2.5rem, 5.7vw, 5rem); text-transform: uppercase; }
.section-index-inverse { color: var(--color-accent); }
.theme-pillars { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: flex-end; }
.theme-pillars span { padding: .75rem 1rem; border: 1px solid rgba(255,255,255,.42); border-radius: 999px; background: rgba(255,255,255,.08); font-weight: 800; }

.schedule-section { background: #fff; }
.heading-row { max-width: none; display: grid; grid-template-columns: 1.25fr .75fr; gap: 4rem; align-items: end; margin-bottom: 3rem; }
.heading-row h2 { margin-bottom: 0; }
.timeline { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--color-border); }
.timeline-item { position: relative; display: grid; grid-template-columns: 64px 220px 1fr; gap: 1.5rem; align-items: center; min-height: 112px; padding: 1.2rem .5rem; border-bottom: 1px solid var(--color-border); }
.timeline-item::before { content: ""; position: absolute; left: 0; top: 20%; bottom: 20%; width: 4px; background: var(--color-secondary); transform: scaleY(0); transition: transform .35s ease; transform-origin: center; }
.timeline-item:hover::before { transform: scaleY(1); }
.timeline-number { color: #98a8b7; font-size: .78rem; font-weight: 900; letter-spacing: .13em; }
.timeline-item time { color: var(--color-primary); font-weight: 900; }
.timeline-item h3 { margin: 0; font-size: clamp(1.15rem, 2vw, 1.45rem); }
.timeline-item p { margin: .35rem 0 0; color: var(--color-text-light); }
.timeline-item[data-type="break"] { background: var(--color-surface); }

.speakers-section { padding-top: 0; background: #fff; }
.speakers-card { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; padding: clamp(2rem, 5vw, 4rem); border: 1px solid var(--color-border); border-radius: var(--radius); background: linear-gradient(110deg, var(--color-surface), #fff); }
.speakers-card p:not(.section-index) { max-width: 660px; color: var(--color-text-light); }
.pending-badge { display: flex; align-items: center; gap: .8rem; padding: 1rem 1.25rem; border-radius: 999px; color: var(--color-primary-dark); background: var(--color-primary-soft); font-weight: 850; white-space: nowrap; }
.pending-badge span { color: var(--color-accent-dark); letter-spacing: .2em; }

.registration-section { padding: clamp(4.5rem, 8vw, 7rem) 0; color: #fff; background: var(--color-secondary-dark); }
.registration-layout { display: grid; grid-template-columns: 1.35fr .65fr; gap: 4rem; align-items: center; }
.registration-layout h2 { max-width: 15ch; }
.registration-layout p:not(.section-index) { max-width: 660px; color: #d8ebdc; }
.registration-action { display: flex; flex-direction: column; align-items: center; gap: .8rem; }
.registration-action span { color: #d8ebdc; font-size: .9rem; }

.documents-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.document-card { display: flex; min-height: 300px; flex-direction: column; padding: 1.6rem; border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
.document-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.document-icon { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 1.6rem; border-radius: 50%; color: var(--color-primary); background: var(--color-primary-soft); }
.document-icon svg { width: 23px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.document-card p { flex: 1; color: var(--color-text-light); font-size: .95rem; }
.unavailable { align-self: flex-start; padding: .45rem .75rem; border-radius: 999px; color: #765700; background: #fff3c4; font-size: .82rem; font-weight: 850; }
.text-link { color: var(--color-primary); font-weight: 800; }

.location-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(3rem, 8vw, 7rem); align-items: center; }
.location-copy address { display: grid; gap: .2rem; margin-bottom: 1rem; color: var(--color-text-light); font-style: normal; font-size: 1.08rem; }
.small-note { color: var(--color-text-light); font-size: .9rem; }
.map-placeholder { position: relative; display: grid; place-items: center; align-content: center; min-height: 370px; padding: 2rem; border: 1px solid var(--color-border); border-radius: var(--radius); text-align: center; overflow: hidden; background-color: var(--color-primary-soft); background-image: linear-gradient(30deg, rgba(36,74,124,.08) 12%, transparent 12.5%, transparent 87%, rgba(36,74,124,.08) 87.5%, rgba(36,74,124,.08)), linear-gradient(150deg, rgba(36,74,124,.08) 12%, transparent 12.5%, transparent 87%, rgba(36,74,124,.08) 87.5%, rgba(36,74,124,.08)); background-size: 70px 120px; }
.map-placeholder strong, .map-placeholder span { position: relative; display: block; }
.map-placeholder span { color: var(--color-text-light); }
.map-pin { width: 44px; height: 44px; margin-bottom: 1.1rem; border: 10px solid var(--color-secondary); border-radius: 50% 50% 50% 0; transform: rotate(-45deg); box-shadow: 0 12px 25px rgba(31,84,43,.25); }
.map-pin::after { content: ""; position: absolute; inset: 5px; border-radius: 50%; background: var(--color-accent); }

.contact-section { color: #fff; background: var(--color-primary-dark); }
.contact-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(3rem, 7vw, 7rem); }
.contact-intro p:not(.section-index) { color: #c9d8e8; }
.email-link { display: inline-block; margin-bottom: 1.5rem; color: var(--color-accent); font-weight: 850; overflow-wrap: anywhere; }
.contact-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
.field { display: flex; flex-direction: column; }
.field-full { grid-column: 1 / -1; }
.field label { margin-bottom: .4rem; font-size: .9rem; font-weight: 800; }
.field input, .field textarea { width: 100%; border: 1px solid rgba(255,255,255,.27); border-radius: 10px; padding: .86rem 1rem; color: #fff; background: rgba(255,255,255,.08); }
.field input:focus, .field textarea:focus { border-color: var(--color-accent); outline: 2px solid transparent; }
.field [aria-invalid="true"] { border-color: #ffb7a9; }
.error { min-height: 1.3em; margin-top: .25rem; color: #ffd5cd; font-size: .8rem; }
.form-footer { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.form-status { flex: 1; margin: 0; color: #d6e4f1; font-size: .9rem; }
.form-status a { color: var(--color-accent); }

.site-footer { padding: 4.5rem 0 1.5rem; color: #dbe5ee; background: #0d213b; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .7fr 1fr; gap: 4rem; padding-bottom: 3rem; }
.footer-grid h2 { margin-bottom: 1rem; color: #fff; font-size: .88rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-grid a { display: block; margin-bottom: .55rem; color: #dbe5ee; text-decoration: none; }
.footer-grid a:hover { color: var(--color-accent); }
.footer-brand img { width: 250px; margin-bottom: 1rem; padding: .5rem; background: #fff; border-radius: 8px; }
.footer-brand p { color: #aebfd0; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.14); font-size: .85rem; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: var(--color-accent); }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1020px) {
  .site-nav { position: fixed; inset: var(--header-height) 0 auto; display: none; flex-direction: column; align-items: stretch; padding: 1.4rem 1.25rem 2rem; background: #fff; border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-soft); }
  .site-nav.is-open { display: flex; }
  .site-nav > a:not(.button) { padding: .55rem 0; font-size: 1rem; }
  .menu-toggle { display: block; }
  .menu-open { overflow: hidden; }
  .hero-layout, .two-column, .theme-layout, .registration-layout, .location-layout, .contact-layout { grid-template-columns: 1fr; }
  .hero-layout { gap: 5rem; }
  .event-summary { max-width: 540px; }
  .theme-pillars { justify-content: flex-start; }
  .documents-grid { grid-template-columns: repeat(2, 1fr); }
  .heading-row { grid-template-columns: 1fr; gap: .5rem; }
  .registration-action { align-items: flex-start; }
}

@media (max-width: 720px) {
  :root { --header-height: 72px; }
  .container { width: min(calc(100% - 2rem), var(--max-width)); }
  .brand img { width: 160px; max-height: 55px; }
  .hero { min-height: auto; padding-top: 4rem; }
  .hero::before { right: -28rem; opacity: .48; }
  .hero::after { right: -16rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .quick-grid { grid-template-columns: 1fr; padding-block: .5rem; }
  .quick-grid > div, .quick-grid > div:last-child { min-height: 88px; padding: 1rem 0; border: 0; border-bottom: 1px solid rgba(255,255,255,.16); }
  .quick-grid > div:last-child { border-bottom: 0; }
  .council-grid, .documents-grid, .contact-form { grid-template-columns: 1fr; }
  .council-card { grid-template-columns: 74px 1fr; padding: 1.5rem; }
  .council-card > strong { font-size: 4rem; }
  .timeline-item { grid-template-columns: 40px 1fr; gap: .8rem 1rem; padding: 1.4rem 0; }
  .timeline-item time { grid-column: 2; }
  .timeline-item > div { grid-column: 2; }
  .speakers-card { grid-template-columns: 1fr; }
  .documents-grid { gap: .8rem; }
  .document-card { min-height: 250px; }
  .field-full { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}


.map-placeholder.has-map { display: block; padding: 0; background: none; }
.map-placeholder.has-map iframe { display: block; width: 100%; height: 100%; min-height: 370px; border: 0; }

.contact-layout.contact-simple { grid-template-columns: 1fr; }