/* ============================================================
   HUMANOID ROBOTS SUMMIT 2026 — STUTTGART
   Design system translated from palermo.ddd.live reference:
   grainy paper, massive grotesque display type, mono micro-labels,
   pill buttons, blue HRS gradient instead of DDD pink.
   ============================================================ */

:root {
  --paper: #f1f0f5;
  --paper-soft: #e6e5ec;
  --card: #e4e3ea;
  --ink: #1c1940;
  --ink-70: rgba(28, 25, 64, 0.7);
  --ink-40: rgba(28, 25, 64, 0.4);
  --ink-soft: #b9b7c9;
  --white: #ffffff;
  --cyan: #35c3ff;
  --blue: #1e63f0;
  --indigo: #101a54;
  --accent: #14a5f0;
  --mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  --sans: "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --pad-x: clamp(20px, 4vw, 72px);
  --noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Film-grain overlay across the whole page */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image: var(--noise);
  opacity: 0.05;
  pointer-events: none;
  z-index: 2147483647;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: 0; cursor: pointer; color: inherit; }

::selection { background: var(--blue); color: #fff; }

/* ---------- typography helpers ---------- */

.mono {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.7;
}

.display {
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.025em;
  line-height: 0.92;
}

.h-giant { font-size: clamp(52px, 9.5vw, 168px); }
.h-big   { font-size: clamp(40px, 6.5vw, 112px); }
.h-mid   { font-size: clamp(30px, 4vw, 64px); }

.body-copy {
  font-size: clamp(16px, 1.25vw, 19px);
  line-height: 1.62;
  max-width: 46ch;
}

.section { padding: clamp(90px, 12vw, 190px) var(--pad-x); position: relative; }
.section-tight { padding-top: clamp(60px, 7vw, 110px); padding-bottom: clamp(60px, 7vw, 110px); }

/* two-column offset layout used across sections */
.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(28px, 5vw, 96px);
  align-items: start;
}

/* ---------- pill buttons ---------- */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 15px 26px;
  border-radius: 999px;
  background: var(--white);
  color: var(--ink);
  transition: transform 0.35s cubic-bezier(.2,.7,.2,1), background 0.35s, color 0.35s, box-shadow 0.35s;
  white-space: nowrap;
}
.pill .dots { display: inline-grid; grid-template-columns: 3px 3px; gap: 2px; transition: transform .4s cubic-bezier(.2,.7,.2,1); }
.pill .dots i { width: 3px; height: 3px; border-radius: 50%; background: currentColor; }
.pill:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(16, 26, 84, .18); }
.pill:hover .dots { transform: rotate(90deg); }
.pill--ink { background: var(--ink); color: #fff; }
.pill--ink:hover { background: var(--blue); }
.pill--ghost { background: rgba(255,255,255,.14); color: #fff; backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.25); }
.pill--ghost:hover { background: #fff; color: var(--ink); }
.pill--accent { background: var(--accent); color: #fff; }
.pill--accent:hover { background: var(--ink); }

/* ---------- reveal animations ---------- */

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s cubic-bezier(.2,.6,.2,1), transform .9s cubic-bezier(.2,.6,.2,1); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  * { animation-duration: 0.01s !important; animation-iteration-count: 1 !important; }
  html { scroll-behavior: auto; }
}

/* capture mode: pin viewport-relative sizes for full-page screenshots */
.capture .hero { min-height: 900px; }
.capture .venue-inner { min-height: 820px; }
.capture .header { position: absolute; }

/* ============================================================
   HEADER
   ============================================================ */

.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 32px);
  padding: 16px var(--pad-x);
  transition: background .45s, box-shadow .45s, padding .45s;
}
.header.scrolled {
  background: rgba(241, 240, 245, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(28,25,64,.08);
  padding-top: 10px;
  padding-bottom: 10px;
}

.brand-chip {
  background: #fff;
  border-radius: 10px;
  padding: 9px 12px;
  display: flex;
  align-items: center;
  box-shadow: 0 4px 18px rgba(16,26,84,.12);
  flex: 0 0 auto;
}
.brand-chip img { height: 39px; width: auto; }

.header-meta { color: #fff; transition: color .45s; font-size: 11px; line-height: 1.55; }
.header.scrolled .header-meta { color: var(--ink-70); }

.header-nav {
  display: flex;
  gap: clamp(16px, 2.4vw, 40px);
  margin-left: auto;
  margin-right: clamp(8px, 2vw, 28px);
}
.header-nav a {
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .01em;
  transition: color .45s, opacity .3s;
}
.header-nav a:hover { opacity: .65; }
.header.scrolled .header-nav a { color: var(--ink); }

/* Language switcher — a real <a href> so crawlers follow it between locales */
.lang-switch {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  margin-right: clamp(6px, 1vw, 14px);
  transition: background .35s, color .35s, border-color .35s;
}
.lang-switch:hover { background: #fff; color: var(--ink); border-color: #fff; }
.header.scrolled .lang-switch { color: var(--ink); border-color: rgba(28, 25, 64, 0.35); }
.header.scrolled .lang-switch:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

.footer-lang {
  color: rgba(255, 255, 255, 0.62);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .3s;
}
.footer-lang:hover { color: #fff; }

.header .pill { flex: 0 0 auto; }

@media (max-width: 980px) {
  .header-nav { display: none; }
  .header-meta { display: none; }
  .header { justify-content: space-between; }
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(148deg, #43cdff 0%, #2a8df5 34%, #1e63f0 58%, #14235f 100%);
}

.hero-art { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-art svg { width: 100%; height: 100%; display: block; }
.chev { animation: drift 14s ease-in-out infinite alternate; transform-origin: 70% 40%; }
.chev:nth-child(2) { animation-duration: 18s; animation-delay: -4s; }
.chev:nth-child(3) { animation-duration: 22s; animation-delay: -9s; }
.chev:nth-child(4) { animation-duration: 26s; animation-delay: -13s; }
@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(-2.2%, 1.6%, 0) scale(1.045); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 140px var(--pad-x) 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.hero-title { margin-top: clamp(10px, 4vh, 60px); }
.hero-title .row { display: block; }
.hero-title .row.indent-1 { padding-left: clamp(24px, 6vw, 130px); }
.hero-title .year { color: rgba(255,255,255,.72); }

.hero-lede {
  align-self: flex-end;
  text-align: left;
  max-width: 44ch;
  margin-top: clamp(24px, 4vh, 56px);
  margin-bottom: clamp(16px, 2.5vh, 40px);
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.94);
}

.hero-bottom {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 0 var(--pad-x) 0;
  margin-top: auto;
}

.hero-next {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(16, 26, 84, 0.38);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 16px 22px;
  margin-bottom: clamp(20px, 4vh, 48px);
  color: #fff;
  transition: background .4s, transform .4s;
}
.hero-next:hover { background: rgba(16, 26, 84, 0.6); transform: translateY(-3px); }
.hero-next .arrow { font-size: 20px; transition: transform .4s; }
.hero-next:hover .arrow { transform: translateX(6px); }

.hero-city {
  font-size: clamp(64px, 12vw, 210px);
  line-height: 0.78;
  margin-bottom: -0.05em;
  color: #fff;
  text-align: right;
  flex: 1;
}

.hero-strip {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 0 var(--pad-x) 22px;
  color: rgba(255,255,255,.85);
  flex-wrap: wrap;
}

@media (max-width: 800px) {
  .hero-inner { padding-top: 110px; }
  .hero-lede { align-self: flex-start; }
  .hero-bottom { flex-direction: column; align-items: flex-start; }
  .hero-city { text-align: left; }
  .hero-strip span:nth-child(n+4) { display: none; }
}

/* ---------- stats strip ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--ink);
}
.stat {
  background: var(--paper);
  padding: clamp(28px, 4vw, 64px) clamp(18px, 3vw, 48px);
}
.stat b {
  display: block;
  font-weight: 800;
  font-size: clamp(38px, 5vw, 88px);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat b sup { font-size: .5em; color: var(--accent); }
.stat .mono { color: var(--ink-70); margin-top: 10px; }
@media (max-width: 800px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   LOGO MARQUEE — SPEAKERS FROM
   ============================================================ */

.marquee-section { padding: clamp(36px, 4.5vw, 64px) 0; overflow: hidden; }
.marquee-label { padding: 0 var(--pad-x); display: flex; justify-content: space-between; align-items: baseline; margin-bottom: clamp(20px, 2.5vw, 36px); }
.marquee-label .mono { color: var(--ink-70); }

.marquee { overflow: hidden; position: relative; }
.marquee-track {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 32px);
  width: max-content;
  animation: marquee 46s linear infinite;
  padding-right: clamp(18px, 2vw, 32px);
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

.mq-card {
  background: #fff;
  border-radius: 10px;
  padding: clamp(16px, 1.8vw, 26px) clamp(22px, 2.4vw, 38px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  transition: transform .4s cubic-bezier(.2,.7,.2,1), box-shadow .4s;
}
.mq-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(16,26,84,.12); }
.mq-card img {
  height: clamp(45px, 5.1vw, 78px);
  width: auto;
  max-width: 280px;
  object-fit: contain;
}

/* ============================================================
   ABOUT / STATEMENT
   ============================================================ */

.about-statement {
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 46px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  max-width: 28ch;
}
.about-statement em { font-style: normal; color: var(--accent); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 96px);
  margin-top: clamp(40px, 6vw, 90px);
}
.about-grid .body-copy { color: var(--ink-70); }
.side-label { color: var(--ink-40); max-width: 24ch; }

@media (max-width: 800px) {
  .split, .about-grid { grid-template-columns: 1fr; }
}

/* gradient band with photo collage */
.band {
  position: relative;
  margin-top: clamp(70px, 9vw, 140px);
  padding: clamp(70px, 9vw, 150px) var(--pad-x);
  background: linear-gradient(126deg, #43cdff 0%, #1e63f0 52%, #101a54 100%);
  color: #fff;
  overflow: hidden;
}
.band::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(64deg, transparent 42%, rgba(255,255,255,.10) 42.5%, transparent 57%),
    linear-gradient(64deg, transparent 58%, rgba(16,26,84,.24) 58.5%, transparent 76%);
  pointer-events: none;
}
.band-head { max-width: 60ch; font-weight: 700; font-size: clamp(22px, 2.6vw, 38px); line-height: 1.25; letter-spacing: -0.01em; }
.band-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 3vw, 44px); margin-top: clamp(48px, 6vw, 96px); align-items: end; }
.band-card:nth-child(2) { transform: translateY(clamp(-18px, -2vw, -36px)); }
.band-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 6px; box-shadow: 0 24px 60px rgba(9, 14, 48, 0.4); }
.band-card .mono { margin-top: 14px; color: rgba(255,255,255,.8); }
@media (max-width: 800px) {
  .band-cols { grid-template-columns: 1fr; }
  .band-card:nth-child(2) { transform: none; }
}

/* ============================================================
   SPEAKERS
   ============================================================ */

.speakers-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px; }
.speakers-head .right { text-align: right; }
.speakers-intro { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(28px, 5vw, 96px); margin: clamp(40px, 5vw, 80px) 0 clamp(48px, 6vw, 96px); }
.speakers-intro .body-copy { color: var(--ink-70); }
@media (max-width: 800px) { .speakers-intro { grid-template-columns: 1fr; } }

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(16px, 2vw, 32px) clamp(14px, 1.6vw, 26px);
}
@media (max-width: 1200px) { .speaker-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 900px)  { .speaker-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 620px)  { .speaker-grid { grid-template-columns: repeat(2, 1fr); } }

.speaker { position: relative; }
.speaker .photo {
  aspect-ratio: 4 / 5;
  width: 75%;
  overflow: hidden;
  border-radius: 6px;
  background: var(--card);
  position: relative;
}
.speaker .badge {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 34%;
  aspect-ratio: 1;
  background: #fff;
  border-radius: 6px 0 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8%;
  z-index: 1;
}
.speaker .badge img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: none;
}
.speaker .photo > img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.02);
  transition: filter .5s, transform .8s cubic-bezier(.2,.7,.2,1);
}
.speaker:hover .photo > img { filter: grayscale(0); transform: scale(1.04); }
.speaker h3 {
  font-weight: 700;
  font-size: clamp(16px, 1.35vw, 21px);
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 14px 0 6px;
  text-transform: uppercase;
}
.speaker .mono { font-size: 10.5px; color: var(--ink-70); }
.speaker .mono b { display: block; color: var(--ink); font-weight: 500; }

.speakers-more {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .9s cubic-bezier(.2,.7,.2,1);
}
.speakers-more.open { grid-template-rows: 1fr; }
.speakers-more > div { overflow: hidden; }
.speakers-more .speaker-grid { padding-top: clamp(16px, 2vw, 32px); }

.speakers-cta { display: flex; justify-content: center; margin-top: clamp(40px, 5vw, 72px); }

/* ============================================================
   PASSES
   ============================================================ */

.passes-head { text-align: center; }
.passes-intro { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 96px); margin: clamp(40px, 5vw, 80px) 0 clamp(48px, 6vw, 100px); align-items: start; }
.passes-intro .body-copy { color: var(--ink-70); justify-self: end; }
@media (max-width: 800px) { .passes-intro { grid-template-columns: 1fr; } .passes-intro .body-copy { justify-self: start; } }

.pass-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 28px);
  align-items: stretch;
}
@media (max-width: 980px) { .pass-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; } }

.pass {
  position: relative;
  background: var(--card);
  border-radius: 12px;
  padding: clamp(26px, 2.6vw, 40px);
  display: flex;
  flex-direction: column;
}
.pass .tag {
  position: absolute;
  top: -12px; right: 18px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  padding: 6px 14px;
}
.pass h3 { font-weight: 800; font-size: clamp(26px, 2.2vw, 34px); line-height: 1; text-transform: uppercase; letter-spacing: -0.02em; max-width: 7ch; }
.pass .price-row { display: flex; align-items: baseline; justify-content: flex-end; gap: 12px; margin: clamp(20px, 2vw, 34px) 0 18px; }
.pass .was { font-size: 15px; color: var(--ink-40); text-decoration: line-through; }
.pass .price { font-weight: 800; font-size: clamp(34px, 3vw, 48px); letter-spacing: -0.03em; }
.pass hr { border: 0; border-top: 1px solid var(--ink); opacity: .5; margin-bottom: 20px; }
.pass ul { list-style: none; font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; text-transform: uppercase; line-height: 1.75; }
.pass ul li { padding-left: 16px; position: relative; margin-bottom: 9px; }
.pass ul li::before { content: "•"; position: absolute; left: 0; }
.pass .cta { margin-top: auto; padding-top: 26px; }
.pass .cta .pill { width: 100%; justify-content: space-between; background: #fff; }
.pass .cta .pill:hover { background: var(--ink); color: #fff; }
.pass .note { font-family: var(--mono); font-size: 10.5px; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-40); text-align: center; margin-top: 14px; }

.pass--featured {
  background: var(--ink);
  color: #fff;
  transform: scale(1.03);
  box-shadow: 0 30px 80px rgba(16, 26, 84, 0.35);
  z-index: 1;
}
.pass--featured .was { color: rgba(255,255,255,.45); }
.pass--featured hr { border-color: rgba(255,255,255,.4); }
.pass--featured .note { color: rgba(255,255,255,.45); }
.pass--featured .cta .pill { background: var(--accent); color: #fff; }
.pass--featured .cta .pill:hover { background: #fff; color: var(--ink); }
@media (max-width: 980px) { .pass--featured { transform: none; } }

/* ============================================================
   AGENDA
   ============================================================ */

.agenda-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin: clamp(28px, 3.5vw, 56px) 0 clamp(20px, 2.6vw, 38px); }
.tab {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 13px 22px;
  border-radius: 999px;
  background: var(--card);
  color: var(--ink-70);
  transition: background .35s, color .35s, transform .35s;
}
.tab:hover { transform: translateY(-2px); }
.tab.active { background: var(--ink); color: #fff; }

.day { display: none; }
.day.active { display: block; }
.day-note { color: var(--ink-70); max-width: 52ch; margin-bottom: clamp(16px, 2vw, 28px); font-size: clamp(15px, 1.1vw, 17px); }

.session {
  display: grid;
  grid-template-columns: clamp(32px, 4vw, 64px) 1fr auto;
  gap: clamp(10px, 1.6vw, 30px);
  align-items: baseline;
  padding: clamp(10px, 1.1vw, 15px) 0;
  border-top: 1px solid rgba(28, 25, 64, 0.16);
  transition: padding-left .4s cubic-bezier(.2,.7,.2,1);
}
.session:last-child { border-bottom: 1px solid rgba(28, 25, 64, 0.16); }
.session:hover { padding-left: 10px; }
.session .idx { font-family: var(--mono); font-size: 11px; color: var(--ink-40); }
.session .title { font-weight: 600; font-size: clamp(14px, 1.2vw, 17px); line-height: 1.35; letter-spacing: -0.005em; }
.session .chip {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  border: 1px solid var(--ink-40);
  color: var(--ink-70);
  border-radius: 999px;
  padding: 4px 12px;
  white-space: nowrap;
}
.session .chip--vip { background: var(--accent); border-color: var(--accent); color: #fff; }
@media (max-width: 640px) {
  .session { grid-template-columns: 34px 1fr; }
  .session .chip { grid-column: 2; justify-self: start; }
}

/* ============================================================
   VENUE
   ============================================================ */

.venue { position: relative; color: #fff; overflow: hidden; }
.venue .bg { position: absolute; inset: 0; }
.venue .bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.06) brightness(.92); }
.venue .bg::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(150deg, #43cdff 0%, #1e63f0 48%, #101a54 100%);
  mix-blend-mode: multiply;
  opacity: 0.82;
}
.venue .bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(210deg, rgba(67,205,255,.35), transparent 45%),
              linear-gradient(20deg, rgba(16,26,84,.7), transparent 55%);
}
.venue-inner {
  position: relative;
  z-index: 1;
  padding: clamp(120px, 16vw, 240px) var(--pad-x) clamp(80px, 10vw, 150px);
  display: flex;
  flex-direction: column;
  min-height: min(92vh, 900px);
}
.venue .mono { color: rgba(255,255,255,.85); }
.venue h2 { max-width: 12ch; margin-top: 18px; }
.venue-foot { margin-top: auto; display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; padding-top: clamp(48px, 6vw, 90px); }

/* ============================================================
   SPONSORS / MEDIA
   ============================================================ */

.tier { margin-top: clamp(48px, 6vw, 88px); }
.tier-label { display: flex; align-items: baseline; justify-content: space-between; border-top: 1px solid rgba(28,25,64,.2); padding-top: 18px; margin-bottom: clamp(20px, 2.6vw, 40px); }
.tier-label .mono { color: var(--ink-70); }
.tier-label .count { color: var(--ink-40); }

.logo-grid { display: grid; gap: clamp(12px, 1.4vw, 20px); }
.logo-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.logo-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.logo-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.logo-grid.cols-6 { grid-template-columns: repeat(6, 1fr); }
@media (max-width: 980px) {
  .logo-grid.cols-6 { grid-template-columns: repeat(4, 1fr); }
  .logo-grid.cols-4 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 620px) {
  .logo-grid.cols-6, .logo-grid.cols-4, .logo-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .logo-grid.cols-2 { grid-template-columns: 1fr; }
}

.logo-card {
  background: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(18px, 2vw, 30px);
  min-height: 92px;
  transition: transform .4s cubic-bezier(.2,.7,.2,1), box-shadow .4s;
}
.logo-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(16,26,84,.12); }
.logo-card img {
  max-height: 56px;
  max-width: 78%;
  object-fit: contain;
  transition: filter .4s, opacity .4s;
}
.logo-card:hover img { filter: grayscale(1); opacity: .75; }
.logo-card--hero { min-height: 150px; }
.logo-card--hero img { max-height: 76px; }
.logo-card--sm { min-height: 74px; padding: 14px; }
.logo-card--sm img { max-height: 42px; }

/* ============================================================
   ORGANIZER + FOOTER (dark)
   ============================================================ */

.dark {
  background: var(--ink);
  color: #fff;
}
.dark .side-label { color: rgba(255,255,255,.4); }
.dark .body-copy { color: rgba(255,255,255,.78); }

.org-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(28px, 5vw, 96px);
  margin-top: clamp(40px, 5vw, 80px);
  align-items: start;
}
@media (max-width: 800px) { .org-grid { grid-template-columns: 1fr; } }
.org-logo-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 12px;
  padding: clamp(20px, 2.2vw, 34px) clamp(26px, 3vw, 46px);
}
.org-logo img { height: clamp(40px, 4vw, 60px); width: auto; }

.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(16px, 2vw, 28px); margin-top: clamp(48px, 6vw, 90px); }
@media (max-width: 800px) { .contact-cards { grid-template-columns: 1fr; } }
.contact-card {
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 12px;
  padding: clamp(24px, 2.6vw, 40px);
  transition: background .4s, transform .4s;
}
.contact-card:hover { background: rgba(255,255,255,.05); transform: translateY(-3px); }
.contact-card .mono { color: rgba(255,255,255,.5); }
.contact-card h3 { font-weight: 700; font-size: clamp(20px, 1.8vw, 28px); margin: 16px 0 2px; text-transform: uppercase; letter-spacing: -0.01em; }
.contact-card .role { color: rgba(255,255,255,.6); font-size: 15px; margin-bottom: 22px; }

/* Visible to screen readers and crawlers, not painted on screen.
   Used to give the stylised "'26" headline its full, accurate text. */
.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;
}

/* ---------- sold out ---------- */

/* Announcement strip directly under the fixed header. */
.soldout-bar {
  position: relative;
  z-index: 90;
  background: var(--ink);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 2vw, 26px);
  flex-wrap: wrap;
  padding: 11px var(--pad-x);
  text-align: center;
}
.soldout-bar .mono { font-size: 11.5px; letter-spacing: .04em; }
.soldout-bar-cta {
  color: var(--accent);
  border-bottom: 1px solid rgba(56, 170, 255, .5);
  white-space: nowrap;
  transition: color .3s, border-color .3s;
}
.soldout-bar-cta:hover { color: #fff; border-color: #fff; }

.soldout-note {
  color: var(--ink-70);
  margin: 0 0 clamp(20px, 2.6vw, 34px);
  padding-left: 2px;
}

/* A sold-out pass stays readable but visibly out of the running. */
.pass--soldout { opacity: .58; }
.pass--soldout .price { text-decoration: line-through; text-decoration-thickness: 2px; }
.pass .tag--soldout { background: var(--ink); color: #fff; }
.pill--disabled {
  background: rgba(28, 25, 64, .10);
  color: var(--ink-40);
  cursor: not-allowed;
  justify-content: center;
}
.pass--soldout:hover { transform: none; box-shadow: none; }

/* ---------- Event at a glance ----------
   A dense, plainly-worded fact list. Useful to readers scanning the page, and
   the block AI assistants lift from when summarising the event. */
.facts-section {
  padding: clamp(48px, 6vw, 90px) var(--pad-x) clamp(10px, 2vw, 24px);
  max-width: 1180px;
}
.facts-label { color: var(--ink-40); margin-bottom: clamp(18px, 2.2vw, 30px); }
.facts { border-top: 1px solid rgba(28, 25, 64, 0.16); }
.fact {
  display: grid;
  grid-template-columns: minmax(140px, 200px) 1fr;
  gap: clamp(12px, 2vw, 36px);
  padding: clamp(11px, 1.2vw, 16px) 0;
  border-bottom: 1px solid rgba(28, 25, 64, 0.12);
}
.fact dt { color: var(--ink-40); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; padding-top: 3px; }
.fact dd { font-size: clamp(14px, 1.15vw, 17px); line-height: 1.5; color: var(--ink); }
@media (max-width: 640px) {
  .fact { grid-template-columns: 1fr; gap: 4px; }
}

/* ---------- FAQ ---------- */

.speakers-head > span { display: inline-block; }

.faq-lead { margin: clamp(28px, 4vw, 56px) 0 clamp(20px, 2.6vw, 36px); }
.faq-list { border-top: 1px solid rgba(28, 25, 64, 0.16); max-width: 1000px; }

.faq-item { border-bottom: 1px solid rgba(28, 25, 64, 0.16); }
.faq-item summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(16px, 1.8vw, 26px) 0;
  cursor: pointer;
  list-style: none;
  transition: padding-left .4s cubic-bezier(.2,.7,.2,1);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { padding-left: 10px; }
.faq-item h3 {
  font-weight: 600;
  font-size: clamp(15px, 1.35vw, 20px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  display: inline;
}
.faq-mark {
  flex: 0 0 auto;
  position: relative;
  width: 16px; height: 16px;
  margin-top: 4px;
}
.faq-mark::before, .faq-mark::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform .35s cubic-bezier(.2,.7,.2,1), opacity .35s;
}
.faq-mark::before { inset: 7px 0 7px 0; height: 2px; }
.faq-mark::after  { inset: 0 7px 0 7px; width: 2px; }
.faq-item[open] .faq-mark::after { transform: scaleY(0); opacity: 0; }
.faq-answer {
  padding: 0 0 clamp(18px, 2vw, 28px);
  max-width: 68ch;
}
.faq-answer p {
  color: var(--ink-70);
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.62;
}

/* ---------- registration form ---------- */

/* honeypot: invisible to humans, tempting to bots */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

.reg-intro {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(28px, 5vw, 96px);
  margin: clamp(40px, 5vw, 80px) 0 clamp(40px, 5vw, 72px);
}
@media (max-width: 800px) { .reg-intro { grid-template-columns: 1fr; } }

.reg-form { max-width: 980px; }

.reg-passes { border-top: 1px solid rgba(255,255,255,.18); }
.reg-pass {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: clamp(14px, 2.4vw, 40px);
  align-items: center;
  padding: clamp(16px, 1.8vw, 24px) 0;
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.reg-pass h3 { font-weight: 700; text-transform: uppercase; letter-spacing: -0.01em; font-size: clamp(17px, 1.5vw, 23px); }
.rp-sub { display: block; color: rgba(255,255,255,.45); font-size: 10.5px; margin-top: 4px; }
.rp-price { display: flex; align-items: baseline; gap: 10px; justify-content: flex-end; min-width: 170px; }
.rp-price .was { text-decoration: line-through; color: rgba(255,255,255,.4); font-size: 14px; }
.rp-price b { font-weight: 800; font-size: clamp(18px, 1.7vw, 26px); letter-spacing: -0.02em; white-space: nowrap; }
.rp-price .on-request { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--cyan); }
.rp-qty { display: flex; align-items: center; gap: 6px; }
.qty-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.35);
  color: #fff;
  font-size: 18px;
  line-height: 1;
  display: grid;
  place-items: center;
  transition: background .3s, color .3s, border-color .3s;
}
.qty-btn:hover { background: #fff; color: var(--ink); border-color: #fff; }
.qty { min-width: 34px; text-align: center; font-weight: 700; font-size: 18px; font-variant-numeric: tabular-nums; }
@media (max-width: 640px) {
  .reg-pass { grid-template-columns: 1fr auto; }
  .rp-price { grid-column: 1; justify-content: flex-start; min-width: 0; order: 3; }
  .rp-qty { grid-row: 1; grid-column: 2; }
}

.reg-corporate { color: var(--cyan); padding-top: 16px; }

.reg-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: clamp(16px, 1.8vw, 24px) 0;
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.reg-total .mono { color: rgba(255,255,255,.55); }
.reg-total b { font-weight: 800; font-size: clamp(24px, 2.2vw, 36px); letter-spacing: -0.02em; }

.reg-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(14px, 1.6vw, 24px);
  margin-top: clamp(32px, 4vw, 56px);
}
@media (max-width: 640px) { .reg-fields { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { color: rgba(255,255,255,.6); }
.field label i { font-style: normal; color: rgba(255,255,255,.35); }
.field input, .field textarea {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 8px;
  padding: 14px 16px;
  color: #fff;
  font: 500 15px/1.4 var(--sans);
  transition: border-color .3s, background .3s;
  width: 100%;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,.09);
}
.field input.invalid, .field textarea.invalid { border-color: #ff6b81; }
.field textarea { resize: vertical; min-height: 88px; }

.reg-actions { display: flex; align-items: center; gap: 22px; margin-top: clamp(28px, 3.4vw, 44px); flex-wrap: wrap; }
.reg-actions .pill { border: 0; }
.reg-actions .pill[disabled] { opacity: .55; pointer-events: none; }
.reg-note { color: rgba(255,255,255,.45); }
.reg-status { margin-top: 18px; }
.reg-status.ok { color: #6fe3a5; }
.reg-status.err { color: #ff8fa0; }

.reg-success { padding: clamp(32px, 4vw, 56px) 0; }
.reg-success h3 { font-weight: 800; text-transform: uppercase; font-size: clamp(26px, 2.6vw, 42px); letter-spacing: -0.02em; margin-bottom: 14px; }
.reg-success p { color: rgba(255,255,255,.75); max-width: 48ch; }

/* ---------- organiser block in the footer ---------- */
.footer-org {
  padding: clamp(56px, 7vw, 96px) var(--pad-x) 0;
  max-width: 1180px;
  border-top: 1px solid rgba(255, 255, 255, .14);
  margin-top: clamp(48px, 6vw, 84px);
}
.footer-org .org-label { color: rgba(255, 255, 255, .45); margin-bottom: clamp(18px, 2.2vw, 28px); }
/* the artwork is already white-on-transparent, so it sits straight on the navy */
.footer-org .org-mark {
  display: block;
  width: auto;
  height: clamp(34px, 3.4vw, 48px);
  margin-bottom: clamp(20px, 2.4vw, 32px);
}
.footer-org .org-about {
  color: rgba(255, 255, 255, .78);
  max-width: 74ch;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.65;
}

.footer-contacts {
  max-width: 1180px;
  margin: clamp(48px, 6vw, 84px) auto 0;
  padding: 0 var(--pad-x);
}
.contacts-label { color: rgba(255, 255, 255, .45); margin-bottom: clamp(18px, 2.2vw, 28px); }
.footer-contacts .contact-cards { margin-top: 0; }
.footer-contacts .contact-card h3 { margin-top: 0; }
.footer-contacts .contact-card > p { color: rgba(255, 255, 255, .7); font-size: 16px; margin-bottom: 18px; }
.footer-contacts .contact-email { color: #fff; font-size: 16px; overflow-wrap: anywhere; }
.footer-contacts .contact-email:hover { color: var(--cyan); }

.footer-cta { text-align: center; padding: clamp(90px, 12vw, 180px) var(--pad-x) clamp(70px, 9vw, 130px); }
.footer-cta .ghost-line { color: rgba(255,255,255,.34); }
.footer-cta .hot-line { color: #fff; }
.footer-cta .pill { margin-top: clamp(36px, 4vw, 60px); }

.footer-bar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 26px var(--pad-x);
  border-top: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.5);
}
.footer-bar a:hover { color: #fff; }