/* ACF: Justin's ACF homepage (temp/hspe/ACF-homepage.html), the site between forums, turned into the site's design.
   Deep green, gold and terracotta on cream; Fraunces for headings, Inter for text. Class names follow the mockup
   where it has them. Fonts are self-hosted (static/acf/fonts, OFL). */

@font-face{font-family:"Fraunces";font-weight:100 900;font-style:normal;font-display:swap;src:url("fonts/fraunces-latin-opsz-normal.069cb90e11a3.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Fraunces";font-weight:100 900;font-style:normal;font-display:swap;src:url("fonts/fraunces-latin-ext-opsz-normal.a04d353989ad.woff2") format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Inter";font-weight:100 900;font-style:normal;font-display:swap;src:url("fonts/inter-latin-wght-normal.260c81a4759b.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Inter";font-weight:100 900;font-style:normal;font-display:swap;src:url("fonts/inter-latin-ext-wght-normal.1ad231aac0a8.woff2") format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{
  --ink:#13231f;        /* text, footer */
  --green:#0f3d33;      /* header, hero, figures band, buttons */
  --green-2:#175346;
  --gold:#d29a34;       /* on green: eyebrows, figures, buttons */
  --gold-hover:#e0ab48;
  --terracotta:#b4532f; /* on cream: eyebrows, tags */
  --cream:#f7f2e8;      /* page */
  --sand:#ece3d1;       /* boxes and bands */
  --muted:#5d6b66;
  --text:#2c3a36;       /* body copy */
  --line:#dccfb6;
  --radius:14px;
  --serif:"Fraunces",Georgia,serif;
  --body:"Inter",system-ui,-apple-system,sans-serif;
  color-scheme:light;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%}
.wrap{max-width:1240px;margin-inline:auto;padding-inline:24px}
@media (max-width:720px){.wrap{padding-inline:16px}}
h1,h2,h3{text-wrap:balance;margin:0}
h1,h2{font-family:var(--serif);font-weight:400}
h2{font-size:clamp(2rem,4vw,2.8rem);line-height:1.15}
h3{font-size:1.05rem;font-weight:600;line-height:1.3}
p{margin:0}
a{color:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:4px}
.eyebrow{display:block;text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;font-weight:600;color:var(--terracotta)}
.lede{color:var(--muted);font-size:1.05rem;max-width:62ch}

/* header and menu */
header.top{position:sticky;top:0;z-index:20;background:rgba(15,61,51,.97);backdrop-filter:blur(6px);color:var(--cream)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px}
.wordmark{font-family:var(--serif);font-weight:600;font-size:1.25rem;letter-spacing:.01em;text-decoration:none;white-space:nowrap}
.wordmark span{color:var(--gold)}
.nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0}
.nav ul a{display:block;padding-block:8px;text-decoration:none;font-weight:500;font-size:.92rem;opacity:.85;transition:opacity .15s,color .15s}
.nav ul a:hover{opacity:1;color:var(--gold)}
.nav li{position:relative}
.nav li ul{display:none;position:absolute;top:100%;left:-16px;min-width:220px;flex-direction:column;gap:0;background:var(--green);border-radius:10px;padding:8px 16px;box-shadow:0 14px 40px -18px rgba(19,35,31,.6)}
.nav li:hover>ul,.nav li:focus-within>ul{display:flex}
.nav-cta{display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;background:none;border:0;color:inherit;font:inherit;font-weight:600;cursor:pointer;padding:8px 0}
@media (max-width:900px){
  .menu-toggle{display:block}
  .nav>ul{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--green);padding:8px 16px 16px}
  .nav>ul.open{display:flex}
  .nav>ul a{padding:12px 0;border-bottom:1px solid rgba(247,242,232,.1)}
  .nav li ul{display:flex;position:static;box-shadow:none;padding:0 0 0 16px;background:none;min-width:0}
  .nav-cta .btn{padding:9px 16px;font-size:.82rem}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;font:600 .95rem var(--body);text-decoration:none;border:1.5px solid transparent;transition:transform .15s,background .15s;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-gold,.btn-primary{background:var(--gold);color:var(--green)}
.btn-gold:hover,.btn-primary:hover{background:var(--gold-hover)}
.btn-green{background:var(--green);color:var(--cream)}
.btn-green:hover{background:var(--green-2)}
.btn-outline,.btn-ghost{border-color:var(--green);color:var(--green);background:transparent}
.btn-outline:hover,.btn-ghost:hover{background:rgba(15,61,51,.06)}
.hero .btn-ghost,.figures .btn-ghost,.venue .btn-ghost,.join .feat .btn-ghost{border-color:rgba(247,242,232,.45);color:var(--cream)}
.hero .btn-ghost:hover{background:rgba(247,242,232,.08)}
.cta{display:flex;flex-wrap:wrap;gap:14px}

/* hero: the block's photo under the green, gold and terracotta wash, the three colours along the bottom */
.hero{position:relative;overflow:hidden;color:var(--cream);padding:110px 0 120px;
  background:
    radial-gradient(1200px 500px at 85% -10%,rgba(210,154,52,.28),transparent 60%),
    radial-gradient(800px 400px at -10% 110%,rgba(180,83,47,.30),transparent 60%),
    linear-gradient(90deg,rgba(15,61,51,.97) 0%,rgba(15,61,51,.9) 50%,rgba(15,61,51,.72) 100%),
    var(--hero-photo,none) center right/cover no-repeat,
    var(--green)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:6px;background:linear-gradient(90deg,var(--gold) 0 33%,var(--terracotta) 33% 66%,var(--green-2) 66%)}
.hero .eyebrow{color:var(--gold);margin:0 0 18px}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);line-height:1.05;margin:0 0 24px;max-width:14ch}
.hero h1 span{color:var(--gold)}
.hero .lead{font-size:1.15rem;max-width:58ch;opacity:.88;margin:0 0 36px}
@media (max-width:720px){.hero{padding:72px 0 84px}}

section{padding-block:clamp(64px,8vw,96px)}
.sec-head{display:grid;gap:14px;max-width:680px;margin-bottom:48px}
.sec-head h2{margin:0}

/* text section (about): eyebrow, heading and text, the members box or the image beside them */
section.text-about{padding-block:clamp(64px,8vw,96px)}
.about{display:grid;gap:64px;align-items:start}
.about.with-aside,.about:has(.plate){grid-template-columns:1.2fr 1fr}
.about .body{display:grid;gap:16px;max-width:72ch;min-width:0}
.about .body h2{margin-bottom:2px}
.about .rich{color:var(--text)}
.about .plate{border-radius:var(--radius);overflow:hidden}
.about .plate img{display:block;width:100%;height:auto}
@media (max-width:900px){.about.with-aside,.about:has(.plate){grid-template-columns:1fr;gap:36px}}
.rich{display:grid;gap:18px}
.rich strong,.rich b{color:var(--ink)}
.rich ul{margin:0;padding-left:1.2em}
.rich a{color:var(--terracotta)}
.rich h2{font-size:1.5rem}.rich h3{font-size:1.15rem}

/* the members box (a Tags block with a heading): beside the About text, else on its own */
.members-box{display:block}
.members-box>.wrap{background:var(--sand);border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.about .members-box>.wrap{padding:32px;max-width:none}
main>.members-box{padding-bottom:clamp(48px,6vw,72px)}
main>.members-box>.wrap{max-width:calc(1240px - 48px)}
.members-box h3{font-size:1rem;margin:0 0 6px}
.members-box .small{color:var(--muted);font-size:.9rem;margin:0 0 18px}
.members{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 20px}
.members li{font-size:.95rem;padding-left:16px;position:relative}
.members li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--gold)}
.members li.obs{color:var(--muted)}
.members li.obs::before{background:none;border:1.5px solid var(--gold)}
.members li span{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
@media (max-width:720px){.members{grid-template-columns:1fr}}

/* text sections that flow (review and standard pages): the photo on the right with the text around it */
section.text{padding-block:clamp(24px,3vw,40px)}
section.text+section.text{padding-top:0}
.page-title+section.text{padding-top:clamp(20px,2.5vw,32px)}
.flow::after{content:"";display:block;clear:both}
.flow>.eyebrow{margin-bottom:8px}
.flow h2{font-size:clamp(1.6rem,2.8vw,2.2rem);margin-bottom:16px}
.flow .rich{display:block;color:var(--text)}
.flow .rich>*+*{margin-top:14px}
.flow .rich h2,.flow .rich h3{color:var(--ink);margin-top:28px}
.flow-photo{float:right;width:min(42%,500px);margin:6px 0 18px 32px}
.flow-photo-left{float:left;margin:6px 32px 18px 0}
.flow-photo-small{width:min(33%,380px)}
.flow-photo-large{width:min(50%,600px)}
.flow-narrow{max-width:78ch}
.flow-photo img{display:block;width:100%;height:auto;border-radius:var(--radius)}
.flow-photo figcaption{font-size:.72rem;color:var(--muted);margin-top:6px}
@media (max-width:700px){.flow-photo{float:none;width:100%;margin:0 0 18px}}

/* review, standard and section pages: the blocks closer together than on the home page, smaller section heads
   (templates/CLAUDE.md, "Inner pages: the same rules on every site") */
.page-blocks>section{padding-block:clamp(24px,3vw,40px)}
.page-blocks>section.prog{padding-block:clamp(36px,4.5vw,56px)}
.page-blocks>section.text+section.text{padding-top:0}
.page-blocks .sec-head{gap:8px;margin-bottom:clamp(16px,2vw,24px)}
.page-blocks .sec-head h2{font-size:clamp(1.6rem,2.8vw,2.2rem)}
.page-blocks>.sponsor-band{margin-block:clamp(12px,2vw,24px)}

/* past forums: the figures band, then a card per forum */
.figures{background:var(--green);color:var(--cream);padding:64px 0}
.figures-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.figures .num{display:block;font-family:var(--serif);font-size:2.8rem;line-height:1;color:var(--gold);font-variant-numeric:tabular-nums}
.figures .lbl{display:block;font-size:.92rem;opacity:.8;margin-top:8px}
.figures-note{grid-column:1/-1;font-size:.82rem;opacity:.6;margin-top:-8px}
@media (max-width:720px){.figures-grid{grid-template-columns:1fr 1fr}}
.forums{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.forum{background:#fff;border:1px solid var(--line);border-top:5px solid var(--gold);border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;overflow:hidden;transition:box-shadow .2s,transform .2s}
.forum:nth-child(4n+2){border-top-color:var(--terracotta)}
.forum:nth-child(4n+3){border-top-color:var(--green-2)}
.forum:hover{box-shadow:0 14px 40px -18px rgba(15,61,51,.35);transform:translateY(-2px)}
.forum .photo{margin:-32px -32px 24px;aspect-ratio:16/9;overflow:hidden;background:var(--sand)}
.forum .photo img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.forum:hover .photo img{transform:scale(1.04)}
.forum .tag{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;font-weight:600;color:var(--terracotta);margin-bottom:14px}
.forum .year{font-family:var(--serif);font-size:3rem;line-height:1;color:var(--green);margin-bottom:4px}
.forum .place{font-weight:600;font-size:1.05rem}
.forum .host{color:var(--muted);font-size:.92rem;margin-top:4px}
.forum .desc{margin-top:16px;font-size:.97rem;color:var(--text)}
.forum-figures{margin-top:12px;font-size:.88rem;font-weight:600;color:var(--green-2)}
.forum .links{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:24px}
.forum .links a{text-decoration:none;font-size:.88rem;font-weight:600;padding:8px 16px;border-radius:999px;border:1.5px solid var(--green);color:var(--green);transition:background .15s,color .15s}
.forum .links a:hover{background:var(--green);color:var(--cream)}
.forum .links a.primary{background:var(--green);color:var(--cream)}
.forum .links a.primary:hover{background:var(--green-2)}
@media (max-width:720px){.forums{grid-template-columns:1fr}.forum{padding:24px}.forum .photo{margin:-24px -24px 20px}}

/* photos: a mosaic (first big, the last two wide); a card without its photo yet is a frame */
section.cards-photos{padding-top:0}
.photos{display:grid;gap:12px;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px}
.photos.few{grid-template-columns:repeat(3,1fr)}
.ph{position:relative;margin:0;overflow:hidden;border-radius:10px;background:var(--sand)}
.ph img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.ph:hover img{transform:scale(1.05)}
.ph figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 14px 10px;font-size:.82rem;font-weight:500;color:var(--cream);background:linear-gradient(transparent,rgba(19,35,31,.85))}
.ph figcaption small{display:block;font-size:.7rem;opacity:.8}
.ph .add{position:absolute;top:12px;left:12px;font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);border:1px dashed var(--muted);border-radius:999px;padding:5px 10px}
.ph.big{grid-column:span 2;grid-row:span 2}
.ph.wide{grid-column:span 2}
@media (max-width:720px){.photos,.photos.few{grid-template-columns:1fr 1fr;grid-auto-rows:150px}.ph.big{grid-row:span 1}}

/* band (Cards “Band”): the sand band with its buttons, e.g. “Get in touch” */
section.band{background:var(--sand);border-block:1px solid var(--line)}
.band-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center}
.band-grid h2{margin-bottom:16px}
.band-grid .cta{justify-content:flex-end}
@media (max-width:900px){.band-grid{grid-template-columns:1fr;gap:28px}.band-grid .cta{justify-content:flex-start}}

/* cards: themes */
.themes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.theme{background:#fff;border:1px solid var(--line);border-top:5px solid var(--gold);border-radius:var(--radius);padding:28px;display:grid;gap:10px;align-content:start}
.theme:nth-child(3n+2){border-top-color:var(--terracotta)}
.theme:nth-child(3n){border-top-color:var(--green-2)}
.theme .tag{font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--terracotta)}
.theme p{color:var(--text);font-size:.95rem}
.theme img{border-radius:10px;display:block}
.theme .btn{justify-self:start}
@media (max-width:900px){.themes{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.themes{grid-template-columns:1fr}}

/* cards: steps in a row */
.week{display:grid;grid-template-columns:repeat(var(--n,5),minmax(0,1fr));gap:16px}
.day{border-top:4px solid var(--green-2);padding-top:14px;display:grid;gap:6px;align-content:start;min-width:0}
.day.social{border-color:var(--gold)}
.day .d{font-weight:600;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--terracotta)}
.day p{font-size:.9rem;color:var(--muted)}
section.cards-cards+section.cards-steps{padding-top:0}
@media (max-width:900px){.week{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.week{grid-template-columns:1fr}}

/* cards with buttons: take part, the first on green */
.join{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.join article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:grid;gap:12px;align-content:start}
.join article p{color:var(--text)}
.join article.feat{background:var(--green);border-color:var(--green);color:var(--cream)}
.join article.feat p{color:rgba(247,242,232,.85)}
.join article.feat .eyebrow{color:var(--gold)}
.join .btn{justify-self:start;margin-top:6px}
@media (max-width:860px){.join{grid-template-columns:1fr}}

/* venue: a green band */
.venue{background:var(--green);color:var(--cream)}
.venue .eyebrow{color:var(--gold)}
.venue-copy{display:grid;gap:16px;max-width:760px}
.venue-copy .rich{color:rgba(247,242,232,.85)}
.venue-copy .rich strong,.venue-copy .rich b{color:var(--gold)}
.venue-copy .rich ul{display:grid;list-style:none;margin:4px 0 0;padding:0}
.venue-copy .rich li{padding:14px 0;border-top:1px solid rgba(247,242,232,.14)}
.venue-meta{color:rgba(247,242,232,.85);font-size:.95rem}
.venue-meta a{color:var(--gold)}
section.venue+section.cards-photos{background:var(--green);padding-top:0}

/* speakers' organisations, attendees, “other editions”: pills; government bodies (central banks) in gold */
.orgs{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.orgs li{padding:8px 14px;border:1px solid var(--line);border-radius:999px;font-size:.9rem;font-weight:500;background:#fff}
.orgs li a{text-decoration:none}
.orgs li.cb{border-color:var(--gold);background:#fbf3e2;font-weight:600}
.orgs li small{color:var(--muted);font-weight:400;margin-left:6px}

/* programme: a tab per day, as on SDF */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.tab-btn{background:transparent;border:1.5px solid var(--line);color:var(--muted);padding:10px 18px;border-radius:999px;font:600 .85rem var(--body);cursor:pointer;transition:all .2s}
.tab-btn:hover{color:var(--ink);border-color:var(--green)}
.tab-btn.active{background:var(--green);border-color:var(--green);color:var(--cream)}
.day-panel{display:none;opacity:0;transform:translateY(8px);transition:opacity .35s ease,transform .35s ease}
.day-panel.active{display:block}
.day-panel.shown{opacity:1;transform:none}
.day-title{font-family:var(--serif);font-size:1.4rem;margin-bottom:16px}
.sess{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:20px 0;border-top:1px solid var(--line)}
.sess:last-child{border-bottom:1px solid var(--line)}
.sess time{font-weight:700;color:var(--green);font-variant-numeric:tabular-nums}
.sess time span{color:var(--muted);font-weight:500}
.sess>div>h3{font-size:1.05rem;margin-bottom:6px}
.sess-no{display:block;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--terracotta);margin-bottom:4px}
.sess-session>div>h3{font-family:var(--serif);font-size:1.45rem;font-weight:400}
.sess-break>div>h3,.sess-meal>div>h3,.sess-other>div>h3{font-weight:500;color:var(--muted)}
.sess-social{background:linear-gradient(90deg,rgba(210,154,52,.1),transparent 60%)}
.sess-social>div>h3{color:var(--terracotta)}
.sess .who{color:var(--muted);font-size:.9rem}
.sess .rich{gap:6px}
.sess details summary{cursor:pointer;color:var(--terracotta);font-size:.85rem}
.talk{padding:10px 0 4px}
.talk+.talk{border-top:1px dashed var(--line)}
.talk-title{font-weight:600}
.talk-time{display:inline-block;min-width:52px;color:var(--green);font-weight:600;font-size:.85rem;font-variant-numeric:tabular-nums}
.sess .who button,.talk-title button{background:none;border:0;padding:0;font:inherit;color:inherit;cursor:pointer;text-align:left;text-decoration:underline;text-decoration-color:rgba(210,154,52,.6);text-underline-offset:3px}
.talk .who{padding-left:52px}
.slides{margin-left:10px;padding:2px 10px;font-size:.7rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--green);border:1px solid var(--green);border-radius:999px;text-decoration:none}
.slides:hover{background:var(--green);color:var(--cream)}
.sess-ph{border-top-style:dashed}
.sess-ph time,.sess-ph>div>h3{color:var(--muted);font-weight:400}
.prog-foot{margin-top:32px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.prog-foot p{color:var(--muted);font-size:.9rem}
.prog-foot a:not(.btn){color:var(--terracotta)}
@media (max-width:640px){.sess{grid-template-columns:1fr;gap:6px}.talk .who{padding-left:0}.talk-time{display:block}}

/* sponsors: logos always in their own colours (companies' logos are never recoloured), on white */
.sponsor-band{background:#fff;padding:28px 0 18px;border-block:1px solid var(--line)}
.sponsor-band>p{text-align:center;font-size:.74rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.sponsor-band .logo-carousel{--logo-height:56px;--logo-gap:72px;--logo-seconds:1.5s}
.sponsor-tier+.sponsor-tier{margin-top:32px}
.sponsor-tier h3{font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--terracotta);margin-bottom:14px}
/* sponsor wall, as TSTF's and HSPE's: a centred heading per tier, its tiles centred under it and smaller down the
   tiers; white tiles, each opening its company's popup */
.wall{display:grid;gap:clamp(36px,5vw,56px)}
@media (min-width:761px){
  .wall:has(>.tier-platinum+.tier-diamond){grid-template-columns:1fr 1fr;column-gap:clamp(24px,4vw,48px)}
  .wall:has(>.tier-platinum+.tier-diamond)>.wall-tier{grid-column:1/-1}
  .wall:has(>.tier-platinum+.tier-diamond)>:is(.tier-platinum:has(+.tier-diamond),.tier-platinum+.tier-diamond){grid-column:auto}
}
.wall-tier{--tile-w:190px;--tile-h:110px;display:grid;gap:20px}
.wall-tier.size-xl{--tile-w:340px;--tile-h:190px}
.wall-tier.size-l{--tile-w:260px;--tile-h:150px}
.wall-tier.size-m{--tile-w:220px;--tile-h:125px}
.wall-head{display:flex;align-items:center;gap:16px;font-size:.76rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--terracotta)}
.wall-head::before,.wall-head::after{content:"";flex:1;height:1px;background:var(--line)}
.tiles{display:flex;flex-wrap:wrap;justify-content:center;gap:18px;list-style:none;margin:0;padding:0}
.tile{width:var(--tile-w);height:var(--tile-h)}
.tile-btn{display:flex;align-items:center;justify-content:center;width:100%;height:100%;padding:12% 11%;background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}
.tile-btn:hover,.tile-btn:focus-visible{transform:translateY(-3px);box-shadow:0 14px 30px -12px rgba(15,61,51,.3);border-color:var(--gold)}
.tile-logos{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;height:100%;min-height:0}
.tile-logos img{max-width:100%;max-height:100%;object-fit:contain}
.tile-logos.several img{max-width:calc(50% - 6px)}
.tile-name{font-family:var(--serif);font-size:1.05rem;color:var(--green);text-align:center}
@media (max-width:560px){
  .tiles{gap:10px}
  .tile{width:calc(50% - 5px);height:auto;aspect-ratio:16/10}
  .wall-tier.size-xl .tile{width:100%;aspect-ratio:16/8}
}
.pop-logos{display:flex;flex-wrap:wrap;align-items:center;gap:20px 32px;padding:18px 0 22px;border-bottom:1px solid var(--line);margin-bottom:20px}
.pop-logos img{max-height:72px;max-width:240px;object-fit:contain}
.pop-text{color:var(--text)}
.pop-company{display:grid;gap:12px;justify-items:start}
.pop-company+.pop-company{margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}
.pop-company h3{margin:0}

/* page titles, figures, galleries, video */
.page-title{padding-block:clamp(40px,6vw,72px) 0}
.page-title h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.1;color:var(--green)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}
.stats div{border-top:4px solid var(--gold);padding-top:12px}
.stats .num{display:block;font-family:var(--serif);font-size:2.6rem;line-height:1.1;color:var(--green);font-variant-numeric:tabular-nums}
.stats .lbl{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.gallery-grid a{display:block;border-radius:10px;overflow:hidden;aspect-ratio:3/2;background:var(--sand)}
.gallery-grid img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s ease}
.gallery-grid a:hover img{transform:scale(1.04)}
.gallery-more{margin-top:20px}
.lightbox{max-width:none;max-height:none;width:100vw;height:100vh;margin:0;padding:0;border:0;background:rgba(19,35,31,.95);color:var(--cream)}
.lightbox figure{margin:0;height:100%;display:grid;place-items:center;padding:56px 16px}
.lightbox img{max-height:calc(100vh - 140px);max-width:100%;object-fit:contain}
.lightbox figcaption{font-size:.85rem;opacity:.75;margin-top:10px;text-align:center}
.lightbox button{position:absolute;background:rgba(15,61,51,.7);color:var(--cream);border:1px solid rgba(247,242,232,.3);border-radius:999px;width:44px;height:44px;font-size:1.5rem;cursor:pointer}
.lb-close{top:16px;right:16px}.lb-prev{left:16px;top:50%}.lb-next{right:16px;top:50%}
.video-frame{position:relative;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;background:var(--ink)}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* blocks without an ACF template (committee, fees, awards…) keep the shared ones */
main section .rounded.border,main section table{border-color:var(--line)}

/* forms */
.site-form{display:grid;gap:14px}
.site-form label{display:block;font-size:.8rem;font-weight:600;margin-bottom:4px}
.site-form input[type=text],.site-form input[type=email],.site-form textarea{width:100%;padding:10px 12px;border-radius:10px;font:inherit}
.foot-form-trap{position:absolute;left:-9999px}

/* footer: the name, organiser and contact details; the menu's columns; the contact form, on ink */
footer{background:var(--ink);color:rgba(247,242,232,.75);padding-top:56px;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:1.2fr 1.2fr 2fr;gap:40px;padding-bottom:40px}
.foot-brand .wordmark{display:inline-block;color:var(--cream);margin-bottom:12px}
.foot-brand>p{max-width:36ch}
.foot-links{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-content:start}
.foot-col h2,.foot-form h2{font:600 .8rem var(--body);text-transform:uppercase;letter-spacing:.14em;color:var(--cream);margin:0 0 14px}
.foot-col a,.foot-col p{display:block;margin-bottom:8px;text-decoration:none}
.foot-col a:hover{color:var(--gold)}
.foot-contact{margin-top:28px}
.foot-contact a{overflow-wrap:anywhere}
.foot-form{scroll-margin-top:84px}
.foot-form-intro{line-height:1.7;margin-bottom:16px}
.foot-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}
.foot-form-wide{grid-column:1/-1}
.foot-form .site-form-field{display:flex;flex-direction:column;gap:6px;margin:0}
.foot-form .site-form-field label{font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:rgba(247,242,232,.75);margin:0}
.foot-form input[type=text],.foot-form input[type=email],.foot-form textarea{background:rgba(247,242,232,.06);border:1px solid rgba(247,242,232,.18);color:var(--cream)}
.foot-form textarea{min-height:112px;resize:vertical}
.foot-form input:focus,.foot-form textarea:focus{outline:2px solid var(--gold);outline-offset:1px;border-color:var(--gold)}
.foot-form-error,.foot-form .site-form-error{color:#f2a58a;font-size:.85rem}
.site-form label.foot-form-consent{display:flex;align-items:flex-start;gap:10px;margin:18px 0 6px;font-size:.85rem;font-weight:400;line-height:1.6;cursor:pointer}
.foot-form-consent input{flex:none;width:16px;height:16px;margin-top:3px;accent-color:var(--gold)}
.foot-form-send{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:18px}
.foot-form-send .btn{margin-left:auto}
.foot-form .btn:disabled{opacity:.7;cursor:progress;transform:none}
.foot-form-success{padding:18px 20px;border-left:3px solid var(--gold);background:rgba(210,154,52,.1);color:var(--cream)}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid rgba(247,242,232,.12);padding-block:24px calc(24px + env(safe-area-inset-bottom,0px));font-size:.82rem;opacity:.7}
footer a{text-decoration:none}
@media (max-width:1000px){.foot-grid{grid-template-columns:1fr 1fr}.foot-form-col{grid-column:1/-1}}
@media (max-width:600px){.foot-grid,.foot-links,.foot-form-grid{grid-template-columns:1fr}}

/* popups (register interest, abstract, speaker), as on SDF: centred, a stripe of the site's colours along the top,
   a round close button */
dialog.acf-pop{margin:auto;position:fixed;inset:0;width:min(680px,calc(100vw - 32px));max-height:min(86vh,820px);padding:0;border:none;border-radius:16px;
  overflow:auto;background:var(--cream);color:var(--ink);box-shadow:0 30px 80px rgba(19,35,31,.45)}
dialog.acf-pop::backdrop{background:rgba(19,35,31,.7);backdrop-filter:blur(3px)}
dialog.acf-pop[open]{animation:popIn .25s cubic-bezier(.2,.7,.3,1)}
@keyframes popIn{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){dialog.acf-pop[open]{animation:none}}
.acf-pop .stripe-bar{position:sticky;top:0;z-index:2;height:6px;background:linear-gradient(90deg,var(--gold) 0 33%,var(--terracotta) 33% 66%,var(--green-2) 66%)}
.acf-pop-close{position:absolute;top:16px;right:16px;z-index:3;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--cream);color:var(--ink);font-size:22px;line-height:1;cursor:pointer}
.acf-pop-close:hover{border-color:var(--gold);color:var(--terracotta)}
.acf-pop-body{padding:30px 36px 32px}
.acf-pop-body .eyebrow{margin-bottom:10px;padding-right:40px}
.acf-pop-body h3{font-family:var(--serif);font-weight:400;font-size:clamp(22px,3vw,28px);margin:0 40px 8px 0}
.acf-pop-body .rich{color:var(--text)}
.pop-who{color:var(--muted);font-size:.9rem;margin-bottom:18px}
.pop-person{display:flex;gap:24px;align-items:center;padding-bottom:22px}
.pop-photo{width:112px;height:112px;flex:none;border-radius:50%;object-fit:cover;border:3px solid var(--sand)}
@media (max-width:560px){.acf-pop-body{padding:24px 22px 26px}.pop-person{flex-direction:column;align-items:flex-start}}
/* the register-interest form in the popup (sites/acf/forms/interest.html), laid out as SDF's */
.acf-pop-form{width:min(620px,calc(100vw - 32px))}
.acf-pop-form:focus{outline:none}
.pop-form h3{margin-bottom:18px}
.pop-form-intro{color:var(--muted);margin-bottom:18px}
.pop-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px}
@media (max-width:560px){.pop-form-grid{grid-template-columns:1fr}}
.pop-form .site-form-field{display:flex;flex-direction:column;gap:6px;margin:0}
.pop-form .site-form-field label,.pop-form-areas legend{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0}
.pop-form input[type=text],.pop-form input[type=email]{background:#fff;color:var(--ink);border:1px solid var(--line)}
.pop-form input:focus{outline:2px solid var(--gold);outline-offset:1px;border-color:var(--gold)}
.pop-form-error,.pop-form .site-form-error{color:var(--terracotta);font-size:.85rem}
.pop-form-areas{margin:20px 0 0;padding:0;border:none}
.pop-form-areas legend{margin-bottom:10px}
.pop-form-areas label{display:inline-flex;align-items:center;gap:8px;margin:0 22px 6px 0;cursor:pointer}
.pop-form-areas input,.pop-form-consent input{width:16px;height:16px;accent-color:var(--green)}
.site-form label.pop-form-consent{display:flex;gap:10px;align-items:flex-start;margin:18px 0 0;font-size:.88rem;font-weight:400;color:var(--muted)}
.pop-form-consent input{margin-top:3px;flex:none}
.pop-form-send{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:20px}
.pop-form .btn:disabled{opacity:.7;cursor:progress;transform:none}
.pop-form-success{margin-top:8px;padding:18px 20px;border-left:3px solid var(--gold);background:rgba(210,154,52,.1)}

.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;z-index:40;max-width:560px;margin-inline:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 10px 40px rgba(19,35,31,.25)}
.cookie-banner[hidden]{display:none}
.cookie-banner a{color:var(--terracotta)}
.cookie-banner-buttons{display:flex;justify-content:flex-end;gap:10px;margin-top:14px}