:root {
  --blue: #1234d4;
  --blue-deep: #0a218f;
  --ink: #171719;
  --muted: #6e7078;
  --paper: #f7f8fb;
  --line: #d9dce6;
  --cyan: #55c4df;
  --header-h: 78px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open, body.form-complete { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; left: 16px; top: -60px; z-index: 100; padding: 12px 18px;
  color: white; background: var(--blue); text-decoration: none; transition: top .2s;
}
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 20; height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(24px, 4vw, 76px); transition: background .3s, box-shadow .3s, transform .3s;
}
.site-header.scrolled {
  background: rgba(247, 248, 251, .9); backdrop-filter: blur(18px);
  box-shadow: 0 1px 0 rgba(10, 20, 50, .1);
}
.header-mark { opacity: 1; transition: opacity .25s; }
.header-mark img { width: 76px; height: 40px; object-fit: contain; }
nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 42px); }
nav a {
  font-size: 13px; font-weight: 700; letter-spacing: .06em;
  text-decoration: none; color: var(--ink);
}
.nav-cta {
  display: inline-flex; align-items: center; gap: 18px; padding: 13px 20px;
  border-radius: 999px; color: #fff; background: var(--blue);
  box-shadow: 0 8px 24px rgba(18, 52, 212, .2); transition: transform .2s, background .2s;
}
.nav-cta:hover { transform: translateY(-2px); background: var(--blue-deep); }

.hero {
  position: relative; min-height: 100svh; overflow: hidden; background: #eef2f5;
}
.hero-art, .hero-art img { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-art img { object-fit: cover; object-position: 56% center; animation: hero-in 1.2s cubic-bezier(.2,.8,.2,1) both; }
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(247,248,251,.98) 0%, rgba(247,248,251,.95) 27%, rgba(247,248,251,.62) 42%, rgba(247,248,251,.05) 66%);
}
@keyframes hero-in { from { opacity: 0; transform: scale(1.025); } to { opacity: 1; transform: scale(1); } }
.hero-content {
  position: absolute; z-index: 3; left: clamp(24px, 4.6vw, 88px); top: 50%;
  width: min(47vw, 760px); transform: translateY(-51%);
}
.hero-kicker {
  display: flex; align-items: center; gap: 11px; margin: 0 0 24px;
  font-size: 11px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase;
  animation: cta-in .65s .1s cubic-bezier(.2,.8,.2,1) both;
}
.hero-kicker span { width: 9px; height: 9px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 7px rgba(18,52,212,.12); }
.hero-content h1 {
  margin: 0; max-width: 760px; font-size: clamp(54px, 4.7vw, 90px);
  line-height: 1; letter-spacing: -.055em; animation: cta-in .8s .18s cubic-bezier(.2,.8,.2,1) both;
}
.hero-line { display: block; white-space: nowrap; }
.hero-line + .hero-line { margin-top: .12em; }
.hero-line--topic { font-size: .82em; letter-spacing: -.045em; }
.hero-content h1 .hero-accent { color: var(--blue); }
.hero-subtitle {
  max-width: 590px; margin: 28px 0 0; color: #676b74;
  font-size: clamp(16px, 1.25vw, 22px); line-height: 1.45;
  animation: cta-in .75s .3s cubic-bezier(.2,.8,.2,1) both;
}
.hero-countdown {
  display: inline-flex; align-items: center; gap: 20px; margin-top: 25px; padding: 12px 16px;
  border: 1px solid rgba(23,23,25,.12); border-radius: 3px; background: rgba(255,255,255,.72);
  box-shadow: 0 16px 50px rgba(20,28,53,.08); backdrop-filter: blur(16px);
  animation: cta-in .75s .38s cubic-bezier(.2,.8,.2,1) both;
}
.hero-countdown > p { display: flex; align-items: center; gap: 9px; margin: 0; color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.countdown-live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 5px rgba(18,52,212,.1); }
.countdown-units { display: flex; align-items: center; }
.countdown-units > span { position: relative; min-width: 58px; padding: 0 12px; text-align: center; }
.countdown-units > span + span::before { content: ""; position: absolute; left: 0; top: 5px; bottom: 5px; width: 1px; background: rgba(23,23,25,.12); }
.countdown-units strong, .countdown-units small { display: block; }
.countdown-units strong { font-size: 22px; line-height: 1; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.countdown-units small { margin-top: 4px; color: var(--muted); font-size: 7px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.hero-countdown.is-live .countdown-live-dot { background: #16a66a; box-shadow: 0 0 0 5px rgba(22,166,106,.12); animation: live-pulse 1.4s ease-in-out infinite; }
@keyframes live-pulse { 50% { opacity: .38; } }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 22px; animation: cta-in .75s .48s cubic-bezier(.2,.8,.2,1) both; }
.hero-cta {
  display: flex; justify-content: space-between; align-items: center; gap: 42px;
  min-width: 230px; padding: 15px 16px 15px 24px; border-radius: 999px;
  color: white; background: var(--blue); text-decoration: none; font-weight: 700;
  box-shadow: 0 18px 50px rgba(18,52,212,.24);
  transition: transform .2s, box-shadow .2s;
}
.hero-actions p { margin: 0; font-size: 11px; line-height: 1.35; }
.hero-actions p strong, .hero-actions p span { display: block; }
.hero-actions p strong { margin-bottom: 4px; color: var(--blue); letter-spacing: .08em; text-transform: uppercase; }
.hero-actions p span { color: var(--muted); }
.hero-meta {
  position: absolute; z-index: 3; left: clamp(24px, 4.6vw, 88px); bottom: 34px;
  display: grid; grid-template-columns: repeat(3, minmax(150px, 1fr)); width: min(47vw, 760px);
  padding-top: 18px; border-top: 1px solid rgba(23,23,25,.17);
}
.hero-meta div { padding-right: 22px; }
.hero-meta div + div { padding-left: 22px; border-left: 1px solid rgba(23,23,25,.17); }
.hero-meta small { display: block; margin-bottom: 7px; color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.hero-meta strong { font-size: clamp(12px, 1vw, 15px); }
@keyframes cta-in { from { opacity: 0; transform: translateY(18px); } }
.hero-cta:hover { transform: translateY(-3px); box-shadow: 0 24px 60px rgba(18,52,212,.34); }
.button-arrow {
  display: grid; place-items: center; width: 34px; height: 34px;
  border-radius: 50%; color: var(--blue); background: white; transition: transform .2s;
}
a:hover .button-arrow, button:hover .button-arrow { transform: rotate(45deg); }
.scroll-cue {
  position: absolute; z-index: 3; right: 3.5%; bottom: 4.5%;
  display: flex; align-items: center; gap: 10px; color: #767982;
  font-size: 10px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
}
.scroll-cue span { width: 28px; height: 1px; background: #9da0a8; animation: breathe 1.8s ease-in-out infinite; }
@keyframes breathe { 50% { width: 46px; } }

.statement {
  position: relative; padding: clamp(100px, 12vw, 180px) clamp(24px, 7vw, 120px);
  min-height: 82vh; color: white; background: var(--blue); overflow: hidden;
}
.statement::after {
  content: "+"; position: absolute; right: -2vw; top: -17vw;
  color: rgba(255,255,255,.06); font-size: min(72vw, 900px); font-weight: 900; line-height: 1;
}
.eyebrow {
  margin: 0 0 28px; color: var(--blue); font-size: 11px; line-height: 1.2;
  font-weight: 800; letter-spacing: .19em; text-transform: uppercase;
}
.statement .eyebrow { color: #b8c7ff; }
.statement h2 {
  position: relative; z-index: 1; margin: 0; max-width: 1000px;
  font-size: clamp(58px, 9.5vw, 150px); line-height: .88; letter-spacing: -.065em;
}
.statement-copy {
  position: relative; z-index: 1; max-width: 650px; margin: 48px 0 80px auto;
  font-size: clamp(18px, 2vw, 28px); line-height: 1.4; color: #dce3ff;
}
.event-ticker {
  position: relative; z-index: 1; display: flex; align-items: center; flex-wrap: wrap;
  gap: 24px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.24);
  font-size: 12px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
}
.event-ticker i { width: 4px; height: 4px; border-radius: 50%; background: var(--cyan); }

.programme { padding: clamp(90px, 10vw, 160px) clamp(24px, 7vw, 120px); }
.section-heading { display: grid; grid-template-columns: 1fr 2fr; align-items: start; margin-bottom: 80px; }
.section-heading h2, .registration h2 {
  margin: 0; font-size: clamp(46px, 6vw, 92px); line-height: .95; letter-spacing: -.06em;
}
.agenda-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.agenda-list li {
  display: grid; grid-template-columns: 90px minmax(220px, .85fr) 1.2fr; gap: 24px;
  align-items: baseline; padding: 34px 0; border-bottom: 1px solid var(--line); transition: padding .3s, color .3s;
}
.agenda-list li:hover { padding-left: 18px; color: var(--blue); }
.agenda-num { font-size: 12px; font-weight: 800; color: var(--blue); }
.agenda-list h3 { margin: 0; font-size: clamp(24px, 2.5vw, 38px); letter-spacing: -.04em; }
.agenda-list p { margin: 0; max-width: 620px; color: var(--muted); font-size: 17px; line-height: 1.55; }

.speakers { padding: clamp(90px, 10vw, 150px) 0; color: white; background: #0d0e12; overflow: hidden; }
.speakers-intro { padding: 0 clamp(24px, 7vw, 120px); display: grid; grid-template-columns: 1fr 2fr; gap: 20px; }
.speakers-intro h2 { margin: 0; max-width: 900px; font-size: clamp(48px, 7vw, 100px); line-height: .93; letter-spacing: -.06em; }
.speakers-intro > p:last-child { grid-column: 2; max-width: 590px; color: #a8aab3; font-size: 19px; line-height: 1.5; }
.eyebrow-light { color: #8399ff; }
.speaker-list {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px;
  margin: 76px clamp(24px, 7vw, 120px) 0; border: 1px solid #282a31; background: #282a31;
}
.speaker-profile {
  position: relative; display: grid; grid-template-columns: 116px minmax(0, 1fr); gap: clamp(20px, 2.5vw, 38px);
  align-items: center; min-height: 250px; padding: clamp(26px, 3vw, 48px); background: #111217; overflow: hidden;
  transition: background .3s ease;
}
.speaker-profile::after {
  content: "+"; position: absolute; right: 22px; top: 16px; color: #31343d; font-size: 30px; font-weight: 300;
  transition: color .3s, transform .3s;
}
.speaker-profile:hover { background: #151722; }
.speaker-profile:hover::after { color: #6680ff; transform: rotate(45deg); }
.speaker-profile:last-child:nth-child(odd) { grid-column: 1 / -1; }
.speaker-portrait {
  position: relative; width: 116px; height: 116px; border: 2px solid #4261ef; border-radius: 50%;
  background: #e7eaf3; overflow: hidden; box-shadow: 0 0 0 8px rgba(66,97,239,.08);
}
.speaker-portrait::after { content: ""; position: absolute; inset: auto 14px 7px; height: 2px; background: rgba(255,255,255,.48); }
.speaker-portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.speaker-portrait--card-source img { width: 340px; max-width: none; height: auto; transform: translate(-22px, -47px); }
.speaker-topic { margin: 0 0 12px; color: #8399ff; font-size: 10px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.speaker-copy h3 { margin: 0; font-size: clamp(25px, 2.35vw, 38px); line-height: 1; letter-spacing: -.045em; }
.speaker-role { min-height: 35px; margin: 9px 0 18px; color: #a7aab4; font-size: 13px; line-height: 1.4; }
.speaker-slogan { margin: 0; max-width: 540px; color: #e5e7ee; font-size: 15px; line-height: 1.5; }

.registration {
  position: relative; display: grid; grid-template-columns: minmax(0, .9fr) minmax(460px, 1.1fr);
  gap: clamp(50px, 8vw, 130px); padding: clamp(90px, 10vw, 160px) clamp(24px, 7vw, 120px);
  align-items: start; overflow: clip;
}
.registration::before {
  content: ""; position: absolute; inset: 0; opacity: .55; pointer-events: none;
  background: repeating-radial-gradient(ellipse at 0% 100%, transparent 0 68px, rgba(18,52,212,.11) 69px 70px, transparent 71px 104px);
  mask-image: linear-gradient(to right, #000, transparent 60%);
}
.registration-copy, .registration-form { position: relative; z-index: 1; }
.registration-copy > p:not(.eyebrow) { max-width: 560px; margin: 34px 0; color: var(--muted); font-size: 18px; line-height: 1.55; }
.registration-meta { margin: 54px 0 0; border-top: 1px solid var(--line); }
.registration-meta div { display: grid; grid-template-columns: 90px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.registration-meta dt { color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.registration-meta dd { margin: 0; font-size: 14px; font-weight: 700; }
.registration-form {
  position: sticky; top: calc(var(--header-h) + 24px); align-self: start; padding: clamp(28px, 4vw, 56px);
  color: white; background: linear-gradient(145deg, #173bdc 0%, #102dbb 62%, #0a218f 100%);
  box-shadow: 0 38px 110px rgba(18,52,212,.28), 0 0 0 1px rgba(255,255,255,.08) inset;
}
.registration-form::before {
  content: ""; position: absolute; right: -70px; top: -70px; width: 210px; height: 210px;
  border: 1px solid rgba(255,255,255,.14); border-radius: 50%; box-shadow: 0 0 0 38px rgba(255,255,255,.035); pointer-events: none;
}
.form-status { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; color: #dae1ff; font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.form-status span { width: 7px; height: 7px; border-radius: 50%; background: #72e0c0; box-shadow: 0 0 0 6px rgba(114,224,192,.12); }
.form-heading { display: flex; justify-content: space-between; padding-bottom: 26px; margin-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.25); font-size: 11px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.field { display: block; margin-bottom: 28px; }
.field > span { display: block; margin-bottom: 8px; color: #c9d2ff; font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.field input {
  width: 100%; padding: 11px 0 13px; border: 0; border-bottom: 1px solid rgba(255,255,255,.5);
  outline: 0; border-radius: 0; color: white; background: transparent; font-size: 17px; transition: border-color .2s;
}
.field input::placeholder { color: rgba(255,255,255,.45); }
.field input:focus { border-color: white; }
.field small { display: none; margin-top: 6px; color: #ffd9d9; font-size: 11px; }
.field.invalid input { border-color: #ffb5b5; }
.field.invalid small { display: block; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { display: flex; gap: 12px; align-items: flex-start; margin: 5px 0 28px; color: #c9d2ff; font-size: 12px; line-height: 1.5; }
.consent input { width: 16px; height: 16px; margin: 1px 0 0; accent-color: white; }
.submit-button {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px 14px 22px; border: 0; color: var(--ink); background: white;
  font-weight: 800; cursor: pointer; transition: transform .2s, box-shadow .2s;
}
.submit-button .button-arrow { color: white; background: var(--ink); }
.submit-button:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0,0,0,.15); }
.submit-button:disabled { cursor: wait; opacity: .72; transform: none; }
.form-error { display: none; margin: 13px 0 0; padding: 10px 12px; color: #7b1414; background: #ffe7e7; font-size: 12px; line-height: 1.45; }
.form-error.visible { display: block; }
.form-note { margin: 14px 0 0; color: rgba(255,255,255,.58); font-size: 10px; }
.success-message {
  position: absolute; inset: 0; display: none; place-content: center; padding: 55px;
  text-align: center; color: white; background: var(--blue);
}
.registration-form.success .success-message { display: grid; animation: success-in .45s ease both; }
.registration-form.success > :not(.success-message) { visibility: hidden; }
@keyframes success-in { from { opacity: 0; transform: scale(.97); } }
.success-mark { display: grid; place-items: center; width: 62px; height: 62px; margin: 0 auto 26px; border-radius: 50%; color: var(--blue); background: white; font-size: 26px; }
.success-message h3 { margin: 0 0 12px; font-size: clamp(34px, 5vw, 60px); letter-spacing: -.05em; }
.success-message p { margin: 0 auto 28px; max-width: 400px; color: #cbd4ff; line-height: 1.5; }
.reset-form { justify-self: center; padding: 10px 0; border: 0; border-bottom: 1px solid currentColor; color: white; background: none; cursor: pointer; }

footer { display: flex; align-items: center; gap: 30px; padding: 34px clamp(24px, 7vw, 120px); border-top: 1px solid var(--line); }
footer img { width: 78px; }
footer p { margin: 0; color: var(--muted); font-size: 12px; }
footer a { margin-left: auto; font-size: 12px; font-weight: 700; text-decoration: none; }

.reveal { opacity: 0; transform: translateY(32px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.8,.2,1); }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .site-header { height: 68px; padding: 0 22px; }
  nav > a:not(.nav-cta) { display: none; }
  .nav-cta { padding: 11px 15px; }
  .hero { min-height: max(920px, 100svh); background: #f7f8fb; }
  .hero-art { height: 34%; overflow: hidden; background: #e8ecef; }
  .hero-art img { object-fit: cover; object-position: 70% 48%; }
  .hero::after {
    background: linear-gradient(180deg, rgba(247,248,251,0) 12%, rgba(247,248,251,.08) 23%, #f7f8fb 34%, #f7f8fb 100%);
  }
  .hero-content { left: 6.6%; right: 6.6%; top: 32%; width: auto; transform: none; }
  .hero-kicker { margin-bottom: 16px; font-size: 9px; }
  .hero-content h1 { max-width: 650px; font-size: clamp(42px, 10.8vw, 66px); line-height: 1; letter-spacing: -.05em; }
  .hero-line + .hero-line { margin-top: .14em; }
  .hero-line--topic { font-size: .79em; }
  .hero-subtitle { margin-top: 18px; max-width: 560px; font-size: 14px; }
  .hero-countdown { display: flex; justify-content: space-between; gap: 10px; margin-top: 17px; padding: 10px 11px; }
  .hero-countdown > p { max-width: 90px; font-size: 7px; }
  .countdown-units { flex: 1; justify-content: flex-end; }
  .countdown-units > span { min-width: 48px; padding: 0 7px; }
  .countdown-units strong { font-size: 18px; }
  .countdown-units small { font-size: 6px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 12px; margin-top: 22px; }
  .hero-cta { min-width: 0; width: 100%; }
  .hero-actions p { display: flex; justify-content: space-between; gap: 18px; }
  .hero-actions p strong { margin: 0; }
  .hero-meta { left: 6.6%; right: 6.6%; bottom: 24px; width: auto; grid-template-columns: 1fr 1.25fr .8fr; padding-top: 12px; }
  .hero-meta div { padding-right: 8px; }
  .hero-meta div + div { padding-left: 10px; }
  .hero-meta strong { font-size: 10px; line-height: 1.3; }
  .hero-meta small { margin-bottom: 5px; font-size: 7px; }
  .scroll-cue { display: none; }
  .statement { min-height: auto; }
  .statement h2 { font-size: clamp(58px, 15vw, 100px); }
  .statement-copy { margin-left: 0; }
  .section-heading, .speakers-intro { grid-template-columns: 1fr; }
  .speakers-intro > p:last-child { grid-column: 1; }
  .speaker-list { grid-template-columns: 1fr; }
  .speaker-profile:last-child:nth-child(odd) { grid-column: auto; }
  .agenda-list li { grid-template-columns: 48px 1fr; }
  .agenda-list p { grid-column: 2; }
  .registration { grid-template-columns: 1fr; overflow: hidden; }
  .registration-form { position: relative; top: auto; }
}

@media (max-width: 560px) {
  .header-mark img { width: 66px; }
  .nav-cta { gap: 10px; font-size: 11px; }
  .hero { min-height: max(920px, 100svh); }
  .statement { padding-top: 92px; padding-bottom: 92px; }
  .statement h2 { font-size: clamp(54px, 17vw, 78px); }
  .statement-copy { margin: 36px 0 58px; font-size: 18px; }
  .event-ticker { align-items: flex-start; flex-direction: column; gap: 12px; }
  .event-ticker i { display: none; }
  .section-heading { margin-bottom: 52px; }
  .agenda-list li { padding: 28px 0; }
  .speaker-list { margin-top: 54px; }
  .speaker-profile { grid-template-columns: 86px minmax(0, 1fr); gap: 18px; min-height: 0; padding: 25px 20px; }
  .speaker-portrait { width: 86px; height: 86px; }
  .speaker-portrait--card-source img { width: 252px; transform: translate(-16px, -35px); }
  .speaker-role { min-height: 0; }
  .speaker-slogan { grid-column: 1 / -1; font-size: 14px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .registration-form { margin-inline: -10px; padding: 30px 22px; }
  footer { align-items: flex-start; flex-wrap: wrap; }
  footer p { width: calc(100% - 110px); }
  footer a { margin-left: 0; }
}

@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; }
}