:root {
  --ink: #031321; --paper: #ffffff; --brand: #ed1944;
  --muted: #bac5d1; --line: #dce2e9; --brand-strong: #d9103a; --brand-light: #ff5877;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; line-height: 1.6; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--brand); outline-offset: 5px; }
.wrap { width: min(1200px, calc(100% - 96px)); margin-inline: auto; }
.site-header { background: var(--ink); color: var(--paper); border-bottom: 1px solid #253647; }
.navigation { min-height: 114px; padding-block: 10px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { font-size: 32px; letter-spacing: -2px; font-weight: 900; text-decoration: none; display: flex; align-items: center; }
.brand > span:first-child { color: var(--brand); }
.brand-logo { flex: 0 0 auto; line-height: 0; }
.brand-logo img { display: block; width: 176px; height: auto; }
.brand-edition { font: 11px/1.4 'Courier New', monospace; letter-spacing: 1.4px; margin-left: 22px; padding-left: 22px; border-left: 1px solid #607184; max-width: 120px; }
.nav-links { display: flex; align-items: center; gap: 30px; font-size: 14px; }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--brand-light); }
.nav-links .nav-cta { border: 1px solid #607184; padding: 9px 18px; }
.skip-link { position: absolute; top: -100px; left: 16px; background: var(--brand-strong); color: var(--paper); padding: 12px; z-index: 10; }
.skip-link:focus { top: 12px; }
.hero { background: var(--ink); color: var(--paper); padding: 42px 0 0; }
.hero-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.eyebrow, .mono, dt, .status, .tag { font-family: 'Courier New', monospace; }
.eyebrow { font-size: 12px; letter-spacing: 1.6px; text-transform: uppercase; font-weight: bold; margin: 0 0 24px; }
.hero-top .eyebrow { margin: 0; color: var(--muted); }
.status { font-size: 12px; border: 1px solid #3f5266; padding: 6px 13px; border-radius: 30px; }
.status span { color: var(--brand); margin-right: 8px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.06; }
h1 { font-size: clamp(52px, 8.8vw, 124px); letter-spacing: -.055em; font-weight: 900; margin: 40px 0 16px; }
h1 > span { color: var(--brand); }
.cursor { font-weight: 400; }
.hero-subtitle { font-size: clamp(23px, 3.2vw, 42px); letter-spacing: -1px; margin-bottom: 36px; }
.accent { color: var(--brand); }
.hero-bottom { display: flex; justify-content: space-between; align-items: center; gap: 40px; padding-bottom: 44px; }
.hero-bottom p { max-width: 530px; color: var(--muted); font-size: 17px; margin: 0; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 30px; padding: 16px 24px; background: var(--brand-strong); color: var(--paper); font-size: 14px; font-weight: bold; text-decoration: none; flex-shrink: 0; }
.button:hover { background: #bc0e32; }
.button span { font-size: 20px; }
.button-dark { background: var(--ink); color: var(--paper); }
.button-dark:hover { background: #20364c; }
.event-facts { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #3f5266; margin: 0; padding: 24px 0 30px; gap: 35px; }
dt { font-size: 11px; letter-spacing: 1.5px; color: var(--muted); margin-bottom: 6px; }
dd { margin: 0; font-size: 15px; }
dd small { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }
.section { padding-top: 88px; padding-bottom: 88px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
h2 { font-size: clamp(32px, 4vw, 54px); letter-spacing: -2px; margin-bottom: 24px; }
h3 { font-size: 24px; letter-spacing: -.7px; margin-bottom: 18px; }
.intro { font-size: 18px; padding-top: 35px; }
.intro p + p { color: #526172; font-size: 16px; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 52px; }
.principles article { border-top: 1px solid #bbc6d2; padding-top: 22px; }
.principles .mono { font-size: 11px; letter-spacing: 1px; color: #526172; display: block; margin-bottom: 30px; }
.principles p { color: #526172; font-size: 15px; margin: 0; }
.program-section { background: #f2f5f8; border-block: 1px solid var(--line); }
.program-note { border-left: 2px solid var(--brand); padding: 8px 0 0 28px; }
.tag { display: inline-block; font-size: 11px; border: 1px solid #c1ccd7; padding: 4px 10px; margin-bottom: 25px; letter-spacing: 1px; }
.program-note p { color: #526172; }
.program-note .mono { font-size: 12px; margin-bottom: 0; }
.compact-section { padding-block: 64px; }
.registration { background: var(--brand-strong); color: var(--paper); padding: 60px 0; }
.registration .split { align-items: center; }
.registration h2 { margin: 0; }
.registration p { max-width: 470px; }
.faq-list details { border-top: 1px solid #bbc6d2; padding: 20px 0; }
.faq-list details:last-child { border-bottom: 1px solid #bbc6d2; }
.faq-list summary { cursor: pointer; font-weight: bold; padding-right: 18px; line-height: 1.4; }
.faq-list details p { padding-top: 16px; margin: 0; color: #526172; font-size: 15px; }
.site-footer { background: var(--ink); color: var(--paper); padding: 64px 0 24px; }
.site-footer .eyebrow { color: var(--muted); }
.footer-contact { padding-top: 35px; }
.footer-contact h3 { font-size: 18px; }
.contact-email { font-size: clamp(16px, 2vw, 24px); overflow-wrap: anywhere; }
.footer-contact p { color: var(--muted); font-size: 14px; margin-top: 20px; }
.footer-bottom { border-top: 1px solid #3f5266; margin-top: 48px; padding-top: 22px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-bottom > span, .footer-bottom > a:last-child { color: var(--muted); font-size: 12px; }
.content-page { min-height: 50vh; max-width: 900px; }
.content-page h1 { font-size: clamp(40px, 6vw, 72px); margin-top: 0; }
.content-page p { max-width: 720px; }
.content-page .button { margin-top: 20px; }
/* Registration page follows the supplied light form design. */
.registration-page { max-width: 1120px; padding-top: 48px; padding-bottom: 48px; }
.registration-intro { position: relative; padding: 0 28px; margin-bottom: 38px; overflow: hidden; }
.registration-intro-copy { position: relative; z-index: 1; }
.registration-intro-copy::before { content: ""; display: block; width: 66px; height: 6px; background: var(--brand-strong); margin-bottom: 30px; }
.registration-page .registration-intro h1 { font-size: clamp(48px, 7.9vw, 96px); font-weight: 900; line-height: .96; letter-spacing: -.055em; margin: 0 0 24px; }
.registration-intro h1 span { color: #e50938; }
.registration-intro p { font-size: clamp(17px, 2.1vw, 24px); color: #68788f; margin: 0; line-height: 1.5; }
.registration-decoration { position: absolute; right: 60px; top: 76px; width: 138px; height: 138px; border-radius: 50%; background: #fdf0f3; color: #e50938; display: grid; place-items: center; }
.registration-decoration::before { content: ""; position: absolute; width: 230px; height: 230px; border: 60px solid #e5093805; border-radius: 50%; top: -220px; left: 22px; }
.registration-decoration::after { content: ""; position: absolute; right: -44px; top: 32px; width: 28px; height: 100px; background: linear-gradient(145deg, transparent 45%, #e50938 46%, #e50938 52%, transparent 53%) top / 26px 20px no-repeat, linear-gradient(10deg, transparent 45%, #e50938 46%, #e50938 52%, transparent 53%) center / 26px 20px no-repeat, linear-gradient(50deg, transparent 45%, #e50938 46%, #e50938 52%, transparent 53%) bottom / 26px 26px no-repeat; }
.registration-decoration > svg { width: 60px; height: 60px; }
.registration-form { margin: 0; }
.registration-form fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
.registration-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.registration-card { padding: 24px 28px 32px; border: 1px solid #e5e9ef; border-radius: 15px; background: var(--paper); box-shadow: 0 8px 28px #03132104; }
.registration-card + .registration-card { margin-top: 22px; }
.registration-card-heading { display: flex; align-items: center; gap: 26px; margin-bottom: 28px; }
.registration-step { display: grid; place-items: center; width: 60px; height: 60px; flex: 0 0 60px; border-radius: 50%; background: #e50938; color: white; font-size: 23px; font-weight: bold; }
.registration-card-heading h2 { font-size: 23px; font-weight: 800; letter-spacing: -.5px; line-height: 1.3; margin: 0 0 4px; }
.registration-card-heading p { margin: 0; color: #68788f; font-size: 18px; line-height: 1.4; }
.registration-required { color: #df0733; }
.registration-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 42px; }
.registration-field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.registration-field-wide { grid-column: 1 / -1; }
.registration-field label { font-size: 17px; font-weight: bold; line-height: 1.4; }
.registration-input-wrap { position: relative; }
.registration-input-wrap > svg { position: absolute; top: 17px; left: 18px; color: #738095; pointer-events: none; }
.registration-field input, .registration-field textarea { display: block; width: 100%; min-width: 0; border: 1px solid #ccd4df; border-radius: 9px; padding: 15px 16px 15px 64px; font: inherit; font-size: 16px; line-height: 1.5; color: var(--ink); background: #fff; transition: border-color .15s, box-shadow .15s; }
.registration-field input { min-height: 56px; }
.registration-field input::placeholder, .registration-field textarea::placeholder { color: #778397; opacity: 1; }
.registration-field input:hover, .registration-field textarea:hover { border-color: #8c9dad; }
.registration-field input:focus, .registration-field textarea:focus { border-color: var(--brand-strong); box-shadow: 0 0 0 4px #ed194410; }
.registration-field textarea { resize: vertical; min-height: 100px; }
.registration-actions { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 38px; padding-top: 26px; border-top: 1px solid #d8e0e9; }
.registration-form .registration-actions .button { margin: 0; border: 1px solid #dc0733; border-radius: 7px; font-family: inherit; font-size: 17px; cursor: pointer; padding: 15px 30px; min-width: 300px; min-height: 62px; justify-content: center; gap: 24px; background: #df0733; }
.registration-actions .button span { font-size: 28px; line-height: 1; }
.registration-form .registration-actions .registration-back { background: white; border-color: #12365b; color: #12365b; }
.registration-form .registration-actions button:hover { background: #bd092e; }
.registration-form .registration-actions .registration-back:hover { background: #f2f5f9; }
.registration-form input:disabled, .registration-form textarea:disabled, .registration-form button:disabled { cursor: not-allowed; opacity: .65; }
.registration-form input:focus-visible, .registration-form textarea:focus-visible, .registration-form button:focus-visible, .registration-status:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; }
.registration-status { margin: 24px 0 0; padding: 16px 18px; border-radius: 9px; background: #f0f3f7; overflow-wrap: anywhere; font-size: 14px; }
.registration-status:empty { display: none; }
.registration-status[data-state="error"] { color: #a10d2b; background: #fff0f3; }
.registration-status[data-state="success"] { color: #176137; background: #eef8f1; font-weight: bold; }
.registration-page .registration-contact { max-width: none; text-align: center; font-size: 15px; color: #586d88; margin: 26px 0 0; }
.registration-contact a { color: #244d7a; overflow-wrap: anywhere; }
@media (max-width: 900px) {
  .registration-decoration { right: 34px; top: 30px; width: 100px; height: 100px; }
  .registration-decoration > svg { width: 46px; height: 46px; }
  .registration-intro { padding-inline: 12px; }
}
@media (max-width: 620px) {
  .registration-intro { padding: 0; margin-bottom: 28px; }
  .registration-intro-copy::before { margin-bottom: 24px; width: 48px; height: 5px; }
  .registration-page .registration-intro h1 { font-size: clamp(40px, 10.5vw, 65px); }
  .registration-decoration { display: none; }
  .registration-grid { grid-template-columns: 1fr; gap: 20px; }
  .registration-card { padding: 22px 18px 26px; }
  .registration-card-heading { gap: 14px; margin-bottom: 24px; align-items: flex-start; }
  .registration-step { width: 46px; height: 46px; flex-basis: 46px; font-size: 18px; }
  .registration-card-heading h2 { font-size: 19px; }
  .registration-card-heading p { font-size: 15px; }
  .registration-field label { font-size: 15px; }
  .registration-field input, .registration-field textarea { padding-left: 48px; }
  .registration-input-wrap > svg { left: 14px; width: 21px; }
  .registration-actions { flex-direction: column; align-items: stretch; gap: 14px; margin-top: 28px; }
  .registration-form .registration-actions .button { min-width: 0; width: 100%; font-size: 16px; padding-inline: 20px; }
  .registration-page .registration-contact { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) { .registration-field input, .registration-field textarea { transition: none; } }
@media (min-width: 1500px) { .hero h1 { font-size: 132px; } }
@media (max-width: 900px) {
  .wrap { width: calc(100% - 48px); } .split { gap: 36px; }
  .nav-links { gap: 18px; } .brand-edition { margin-left: 12px; padding-left: 12px; }
  .principles { gap: 24px; } .section { padding-block: 60px; }
  .hero h1 { font-size: clamp(50px, 9.5vw, 90px); }
}
@media (max-width: 620px) {
  .wrap { width: calc(100% - 36px); }
  .navigation { padding-block: 16px; align-items: flex-start; gap: 16px; flex-direction: column; }
  .brand-logo img { width: 148px; }
  .brand-edition { max-width: none; }
  .nav-links { width: 100%; justify-content: space-between; gap: 10px; font-size: 12px; }
  .nav-links .nav-cta { padding: 6px 12px; }
  .hero { padding-top: 26px; } .hero-top { gap: 10px; }
  .hero-top .eyebrow { font-size: 10px; letter-spacing: 1px; }
  .status { font-size: 10px; padding: 5px 8px; white-space: nowrap; }
  .hero h1 { font-size: clamp(42px, 11vw, 68px); margin-top: 32px; }
  .hero-subtitle { font-size: 23px; }
  .hero-bottom { align-items: flex-start; flex-direction: column; gap: 24px; padding-bottom: 30px; }
  .hero-bottom p { font-size: 16px; }
  .event-facts { grid-template-columns: 1fr; gap: 20px; padding-block: 24px; }
  .event-facts div + div { border-top: 1px solid #253647; padding-top: 16px; }
  .split, .principles { grid-template-columns: 1fr; gap: 28px; }
  .section { padding-block: 48px; } h2 { letter-spacing: -1.4px; }
  .intro { padding-top: 0; } .principles { margin-top: 32px; }
  .principles .mono { margin-bottom: 18px; } .registration { padding-block: 44px; }
  .footer-contact { padding-top: 0; } .footer-bottom { align-items: flex-start; flex-direction: column; }
  .site-footer { padding-top: 48px; } .eyebrow { margin-bottom: 18px; } .cursor { display: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Schedule and speaker profiles share data/program.json. */
.agenda { margin-top: 40px; display: grid; gap: 14px; }
.agenda-row { display: grid; grid-template-columns: 192px minmax(0, 1fr); gap: 32px; padding: 30px; background: var(--paper); border: 1px solid #dce2e9; border-radius: 12px; }
.agenda-talk { border-left: 3px solid var(--brand); }
.agenda-time { display: flex; align-items: flex-start; flex-direction: column; gap: 10px; font: bold 22px/1.4 'Courier New', monospace; font-variant-numeric: tabular-nums; }
.agenda-clock { display: inline-flex; gap: 5px; white-space: nowrap; }
.agenda-time small { color: #526172; background: #f2f5f8; padding: 3px 10px; border-radius: 6px; font-size: 16px; font-weight: bold; }
.agenda-talk .agenda-clock { color: var(--brand-strong); }
.agenda-content h3 { font-size: 24px; line-height: 1.3; letter-spacing: -.5px; margin: 0 0 14px; }
.agenda-speaker { display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: center; }
.agenda-speaker > a { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; font-weight: 600; color: #35485b; text-decoration: none; }
.agenda-speaker > a:hover { color: var(--brand-strong); }
.speaker-link-arrow { color: #66788a; font-size: 15px; }
.agenda-speaker > a:hover .speaker-link-arrow { color: var(--brand-strong); }
.ace-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--ink); color: var(--paper); padding: 2px 12px 2px 4px; border-radius: 4px; font-size: 12px; line-height: 1.3; }
.ace-badge img { flex: 0 0 auto; object-fit: contain; }
.talk-description { margin-top: 18px; }
.talk-description summary { display: inline-flex; align-items: center; justify-content: space-between; gap: 22px; min-height: 44px; padding: 9px 14px; border: 1px solid #d3dce5; border-radius: 7px; background: #f8fafc; color: #35485b; cursor: pointer; font-size: 13px; font-weight: 600; text-decoration: none; list-style: none; }
.talk-description summary::-webkit-details-marker { display: none; }
.talk-description summary:hover, .talk-description[open] summary { background: #fff1f4; border-color: #e9a7b6; color: var(--brand-strong); }
.disclosure-mark { position: relative; width: 12px; height: 12px; flex-shrink: 0; }
.disclosure-mark::before, .disclosure-mark::after { content: ""; position: absolute; background: currentColor; border-radius: 1px; }
.disclosure-mark::before { width: 12px; height: 2px; left: 0; top: 5px; }
.disclosure-mark::after { width: 2px; height: 12px; left: 5px; top: 0; }
.talk-description[open] .disclosure-mark::after { display: none; }
.talk-description > div { margin-top: 22px; padding-top: 22px; border-top: 1px solid #e4e9ee; max-width: 780px; }
.talk-description p { line-height: 1.75; color: #35485b; margin-bottom: 14px; font-size: 16px; }
.talk-description p:last-child { margin-bottom: 0; }
.agenda-break { background: transparent; border-color: transparent; padding-block: 8px; align-items: center; }
.agenda-break .agenda-time { flex-direction: row; align-items: center; flex-wrap: wrap; gap: 4px 10px; }
.agenda-break .agenda-clock { color: #526172; }
.agenda-break .agenda-time small { background: transparent; padding: 0; }
.agenda-break h3 { color: #526172; font-size: 16px; font-weight: 500; letter-spacing: 0; margin: 0; }
.agenda-opening, .agenda-social { background: #e9eff5; border-color: #dce2e9; }
.agenda-social { align-items: center; }

.agenda-social h3 { font-size: 21px; margin: 0; }
.speaker-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; margin-top: 36px; }
.speaker-card { min-width: 0; scroll-margin-top: 24px; }
.speaker-photo { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; background: #e6ecf2; }
.speaker-initials { display: grid; place-items: center; color: #607184; font: bold clamp(48px, 7vw, 88px)/1 Arial, sans-serif; }
.speaker-info { padding-top: 20px; }
.speaker-heading { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 10px; }
.speaker-heading h3 { margin: 0; line-height: 1.2; }
.speaker-heading h3 a { text-decoration: none; }
.speaker-heading h3 a:hover { color: var(--brand-strong); }
.speaker-bio { margin-top: 18px; font-size: 15px; }
.content-page .speaker-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 900px) { .speaker-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; } }
@media (max-width: 620px) {
  .agenda-row { grid-template-columns: 1fr; gap: 18px; padding: 22px 18px; }
  .agenda-time { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 10px; }
  .agenda-time small { margin: 0; }
  .agenda-content h3 { font-size: 21px; }
  .agenda-break { gap: 5px; padding-block: 4px; } .agenda-social { padding-block: 22px; }
  .speaker-grid, .content-page .speaker-grid { grid-template-columns: 1fr; }
  .speaker-photo { max-width: 320px; }
  .speaker-initials { font-size: 72px; }
}
.agenda-photo { object-fit: cover; border-radius: 50%; flex-shrink: 0; }

/* Icon-only ACE marks in the agenda; full designation on the profile. */
.ace-icon { display: inline-flex; align-items: center; justify-content: center; }
.ace-icon img { display: block; object-fit: contain; }
.ace-icon-associate { background: transparent; }
.ace-icon-pro { background: transparent; }
.speaker-profile-page { max-width: 1100px; }
.speaker-profile { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: 48px; margin-bottom: 40px; }
.speaker-profile h1 { font-size: clamp(38px, 5vw, 64px); margin: 0 0 24px; }
.speaker-profile .speaker-bio { font-size: 17px; line-height: 1.7; }
.profile-pending { color: #526172; margin-top: 20px; }
@media (max-width: 620px) {
  .speaker-profile { grid-template-columns: 1fr; gap: 28px; }
  .agenda-time { font-size: 22px; }
}
.sponsors-section { background: var(--paper); border-bottom: 1px solid var(--line); }
.sponsor-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin-top: 28px; }
.sponsor-slot { display: flex; min-height: 160px; align-items: center; justify-content: center; padding: 24px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); text-decoration: none; }
.sponsor-slot img { width: 100%; height: 110px; object-fit: contain; }
.sponsor-placeholder { flex-direction: column; gap: 14px; border-style: dashed; background: #f8fafc; color: #607184; font-size: 14px; }
.sponsor-slot-number { font: bold 12px/1.4 'Courier New', monospace; letter-spacing: 2px; color: #607184; }
a.sponsor-slot:hover { border-color: var(--brand); }
@media (max-width: 900px) { .sponsor-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; } }
@media (max-width: 420px) { .sponsor-grid { grid-template-columns: 1fr; } .sponsor-slot { min-height: 140px; } }