:root {
  --navy-950: #031226;
  --navy-900: #061a35;
  --navy-800: #0a274d;
  --gold: #d7ad51;
  --gold-light: #f0d38a;
  --ivory: #f8f5ec;
  --ink: #10233e;
  --muted: #627087;
  --line: rgba(215, 173, 81, .34);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--ivory); font-family: "DM Sans", sans-serif; font-size: 16px; line-height: 1.6; }
a { color: inherit; }
button, input, select { font: inherit; }

.concept-bar { background: var(--gold); color: var(--navy-950); text-align: center; padding: .5rem 1rem; font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.site-header { height: 82px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(1.25rem, 5vw, 5.5rem); background: rgba(3,18,38,.96); color: white; border-bottom: 1px solid rgba(255,255,255,.08); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; text-decoration: none; line-height: 1; }
.brand-logo { display: block; width: 112px; height: 54px; object-fit: contain; }
.site-nav { display: flex; align-items: center; gap: 1.7rem; font-size: .86rem; }
.site-nav a { text-decoration: none; color: rgba(255,255,255,.78); }
.site-nav a:hover { color: white; }
.site-nav .nav-cta { border: 1px solid var(--gold); color: var(--gold-light); padding: .65rem 1rem; }
.menu-button { display: none; color: white; background: transparent; border: 1px solid rgba(255,255,255,.22); padding: .5rem .75rem; }

.hero { min-height: calc(100vh - 110px); position: relative; overflow: hidden; display: grid; place-items: center; background: radial-gradient(circle at 50% 20%, #123a6c 0, var(--navy-900) 42%, var(--navy-950) 100%); color: white; padding: 6rem clamp(1.25rem, 6vw, 7rem) 5rem; }
.hero:before, .hero:after { content: ""; position: absolute; inset: auto; border: 1px solid rgba(215,173,81,.25); width: 48vw; height: 48vw; border-radius: 50%; bottom: -34vw; }
.hero:before { left: -12vw; }.hero:after { right: -12vw; }
.hero-grid { position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(215,173,81,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(215,173,81,.18) 1px, transparent 1px); background-size: 80px 80px; mask-image: linear-gradient(to bottom, transparent, black 38%, transparent); }
.hero-inner { width: min(960px, 100%); text-align: center; position: relative; z-index: 2; }
.eyebrow, .overline { color: var(--gold); text-transform: uppercase; font-size: .76rem; letter-spacing: .23em; font-weight: 700; }
.hero h1 { margin: .3rem auto 0; width: min(760px, 90vw); line-height: 1; }
.hero-logo { display: block; width: 100%; height: auto; }
.gold-thread { height: 5px; width: min(650px, 68vw); margin: 1.7rem auto 2.2rem; background: linear-gradient(90deg, transparent, var(--gold-light) 16%, var(--gold) 84%, transparent); transform: skewX(-28deg); }
.hero h2 { margin: 0; font-family: "Libre Caslon Display", serif; font-size: clamp(2.3rem, 5vw, 4.8rem); font-weight: 400; line-height: 1.05; letter-spacing: -.025em; }
.hero h2 em { color: var(--gold-light); font-style: normal; }
.hero-copy { max-width: 760px; margin: 1.8rem auto; color: rgba(255,255,255,.72); font-size: 1.05rem; }
.event-meta { max-width: 760px; margin: 2.4rem auto; padding: 1.25rem 0; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.event-meta div:first-child { border-right: 1px solid var(--line); }
.event-meta span { display: block; color: var(--gold); text-transform: uppercase; letter-spacing: .18em; font-size: .7rem; }
.event-meta strong { display: block; margin-top: .25rem; font-size: 1.08rem; }
.hero-actions { display: flex; justify-content: center; gap: .8rem; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .8rem 1.25rem; border: 1px solid transparent; text-decoration: none; font-weight: 700; font-size: .86rem; cursor: pointer; }
.button-gold { background: var(--gold); color: var(--navy-950); }
.button-gold:hover { background: var(--gold-light); }
.button-ghost { border-color: rgba(255,255,255,.35); color: white; }
.button-ghost:hover { border-color: white; }
.hero-principles { position: absolute; bottom: 1.2rem; left: 50%; transform: translateX(-50%); width: min(900px, 88vw); display: flex; justify-content: space-around; z-index: 2; color: rgba(255,255,255,.48); text-transform: uppercase; font-size: .66rem; letter-spacing: .22em; }

.municipal-count { display: grid; grid-template-columns: repeat(4, 1fr); background: white; border-bottom: 1px solid #dfe3e8; }
.municipal-count div { text-align: center; padding: 2rem 1rem; border-right: 1px solid #e4e6e9; }
.municipal-count div:last-child { border: 0; }
.municipal-count strong { display: block; color: var(--navy-800); font-family: "Libre Caslon Display", serif; font-size: 2.8rem; line-height: 1; }
.municipal-count span { color: var(--muted); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; }

.section { padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 7vw, 8rem); }
.section-label { margin-bottom: 3.2rem; color: var(--muted); font-size: .68rem; letter-spacing: .22em; text-transform: uppercase; border-bottom: 1px solid #d7dce2; padding-bottom: .9rem; }
.section-label.light { color: rgba(255,255,255,.45); border-color: rgba(255,255,255,.14); }
.section h2 { margin: .4rem 0 0; color: var(--navy-900); font-family: "Libre Caslon Display", serif; font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 400; line-height: 1.05; letter-spacing: -.03em; }
.case-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(3rem, 8vw, 8rem); }
.case-copy > p { font-size: 1.12rem; color: #35455b; }
.evidence-card { margin-top: 2.5rem; padding: 1.7rem; border-left: 4px solid var(--gold); background: white; box-shadow: 0 18px 60px rgba(11,35,64,.08); }
.evidence-card strong { color: var(--navy-800); font-family: "Libre Caslon Display", serif; font-size: 2rem; }
.evidence-card p { margin: .25rem 0 1rem; color: var(--muted); }
.evidence-card a { color: var(--navy-800); font-size: .78rem; font-weight: 700; }

.pillars-section, .programme-section { background: var(--navy-900); color: white; }
.section-heading-row, .programme-intro { display: grid; grid-template-columns: 1.35fr .65fr; gap: 4rem; align-items: end; }
.pillars-section h2, .programme-section h2 { color: white; }
.section-heading-row > p, .programme-intro > p { color: rgba(255,255,255,.58); }
.pillar-grid { margin-top: 4rem; display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid rgba(255,255,255,.14); }
.pillar-grid article { grid-column: span 2; padding: 2rem; min-height: 250px; border-right: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); }
.pillar-grid article:nth-child(4) { grid-column: 2 / span 2; }
.pillar-grid article span { color: var(--gold); font-size: .72rem; letter-spacing: .15em; }
.pillar-grid h3 { font-family: "Libre Caslon Display", serif; font-size: 1.65rem; font-weight: 400; line-height: 1.15; }
.pillar-grid p { color: rgba(255,255,255,.58); }

.audience-section { background: #f1f2f3; }
.audience-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; }
.audience-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid #cdd3da; }
.audience-list li { padding: 1rem 0; border-bottom: 1px solid #cdd3da; }
.audience-list li:before { content: "\2192"; color: var(--gold); margin-right: .8rem; }

.programme-intro { margin-bottom: 4rem; }
.days { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255,255,255,.16); border-bottom: 1px solid rgba(255,255,255,.16); }
.days article { padding: 3rem; }
.days article:first-child { border-right: 1px solid rgba(255,255,255,.16); }
.day-number { color: var(--gold); text-transform: uppercase; letter-spacing: .2em; font-size: .72rem; }
.day-date { color: rgba(255,255,255,.5); font-size: .86rem; }
.days h3 { font-family: "Libre Caslon Display", serif; font-size: 2.3rem; font-weight: 400; }
.days ul { padding-left: 1.2rem; color: rgba(255,255,255,.68); }
.days li { margin: .65rem 0; }
.programme-note { margin-top: 1.5rem; color: rgba(255,255,255,.48); font-size: .82rem; }

.compact-section { background: var(--gold-light); }
.compact-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 6rem; }
.compact-title > p:last-child { max-width: 520px; }
.compact-elements { border-top: 1px solid rgba(3,18,38,.25); }
.compact-elements article { display: grid; grid-template-columns: 82px 1fr; gap: 1.5rem; padding: 1.5rem 0; border-bottom: 1px solid rgba(3,18,38,.25); }
.compact-elements article > span { color: var(--navy-800); font-family: "Libre Caslon Display", serif; font-size: 2.2rem; }
.compact-elements h3 { margin: 0; font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; }
.compact-elements p { margin: .2rem 0 0; color: #425064; }

.convenor-section { background: white; }
.convenor-layout { margin-top: 2.5rem; display: grid; grid-template-columns: minmax(260px, .8fr) 1.2fr; align-items: center; border: 1px solid #e0e3e7; }
.convenor-identity { min-height: 220px; padding: 2.5rem; display: flex; align-items: center; justify-content: center; border-right: 1px solid #e0e3e7; }
.convenor-identity img { width: min(100%, 320px); max-height: 130px; object-fit: contain; }
.convenor-copy { padding: clamp(2rem, 5vw, 4.5rem); }
.convenor-copy h2 { margin: 0 0 1rem; font-family: "Libre Caslon Display", serif; font-size: clamp(2rem, 4vw, 3.8rem); font-weight: 400; line-height: 1.05; }
.convenor-copy p { max-width: 650px; color: var(--muted); font-size: 1.02rem; line-height: 1.75; }
.concept-disclaimer { margin-top: 1rem; color: var(--muted); font-size: .74rem; font-style: italic; }

.interest-section { padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 7vw, 8rem); display: grid; grid-template-columns: 1fr 1fr; gap: 7rem; background: var(--navy-950); color: white; }
.interest-copy h2 { margin: .4rem 0 1rem; font-family: "Libre Caslon Display", serif; font-size: clamp(2.7rem, 5vw, 4.8rem); font-weight: 400; line-height: 1.03; }
.interest-copy > p:last-child { color: rgba(255,255,255,.62); }
.interest-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.interest-form label { color: rgba(255,255,255,.7); font-size: .77rem; }
.interest-form input, .interest-form select { width: 100%; min-height: 50px; margin-top: .35rem; padding: .7rem; color: white; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.2); border-radius: 0; }
.interest-form select option { color: var(--ink); }
.interest-form button, .form-note { grid-column: 1 / -1; }
.form-note { margin: 0; color: rgba(255,255,255,.4); font-size: .72rem; }

footer { padding: 3rem clamp(1.25rem, 6vw, 7rem); display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 2rem; background: #020c1a; color: rgba(255,255,255,.62); font-size: .78rem; }
.footer-brand { color: white; }
.footer-logo { display: block; width: 150px; height: auto; }
.footer-note { text-align: right; }

@media (max-width: 980px) {
  .menu-button { display: block; }
  .site-nav { display: none; position: absolute; top: 82px; left: 0; right: 0; padding: 1.2rem; background: var(--navy-950); flex-direction: column; align-items: stretch; }
  .site-nav.open { display: flex; }
  .case-layout, .audience-layout, .compact-layout, .interest-section, .section-heading-row, .programme-intro { grid-template-columns: 1fr; gap: 2.5rem; }
  .pillar-grid { grid-template-columns: 1fr 1fr; }
  .pillar-grid article, .pillar-grid article:nth-child(4) { grid-column: auto; }
  .convenor-layout { grid-template-columns: 1fr; }
  .convenor-identity { border-right: 0; border-bottom: 1px solid #e0e3e7; }
}

@media (max-width: 660px) {
  .concept-bar { font-size: .61rem; }
  .site-header { height: 68px; }
  .site-nav { top: 68px; }
  .hero { padding-top: 4.5rem; }
  .hero h1 { width: min(520px, 96vw); }
  .hero h2 { font-size: 2.4rem; }
  .event-meta { grid-template-columns: 1fr; gap: 1rem; }
  .event-meta div:first-child { border-right: 0; border-bottom: 1px solid var(--line); padding-bottom: 1rem; }
  .hero-principles { display: none; }
  .municipal-count { grid-template-columns: 1fr 1fr; }
  .municipal-count div:nth-child(2) { border-right: 0; }
  .pillar-grid, .days, .interest-form, footer { grid-template-columns: 1fr; }
  .pillar-grid article:nth-child(4), .days article { grid-column: auto; }
  .days article:first-child { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.16); }
  .interest-form button, .form-note { grid-column: auto; }
  .footer-note { text-align: left; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }