:root {
  --ink: #07111f;
  --ink-2: #0b1b2d;
  --ink-3: #10263d;
  --paper: #f5f7f2;
  --paper-2: #eaf0e9;
  --white: #ffffff;
  --text: #162131;
  --muted: #5c6978;
  --muted-dark: #9aabbd;
  --line: rgba(7, 17, 31, .14);
  --line-dark: rgba(255, 255, 255, .14);
  --lime: #c6ff5a;
  --cyan: #52d6ff;
  --violet: #a99aff;
  --orange: #ffad66;
  --radius-sm: 14px;
  --radius: 24px;
  --radius-lg: 38px;
  --shadow: 0 24px 70px rgba(0, 0, 0, .14);
  --max: 1200px;
  --serif: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--text); font-family: var(--sans); font-size: 17px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }
::selection { background: var(--lime); color: var(--ink); }

.sr-only { position: absolute !important; 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; z-index: 1000; top: 10px; left: 10px; padding: .7rem 1rem; background: var(--lime); color: var(--ink); border-radius: 8px; transform: translateY(-150%); transition: transform .2s; font-weight: 800; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }

.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.section { padding: 105px 0; }
.section-kicker, .eyebrow { margin: 0 0 16px; text-transform: uppercase; letter-spacing: .13em; font-size: .76rem; font-weight: 850; }
.section-kicker { color: #49605e; }
.eyebrow { color: var(--lime); display: flex; align-items: center; gap: 10px; }
.eyebrow > span { width: 22px; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -.035em; line-height: .98; }
h2 { font-size: clamp(2.4rem, 5.3vw, 5rem); margin-bottom: 30px; }
h3 { font-size: 1.3rem; line-height: 1.22; }
p:last-child { margin-bottom: 0; }

.site-header { position: fixed; z-index: 100; top: 0; left: 0; right: 0; color: var(--white); transition: background .25s, box-shadow .25s, transform .25s; }
.site-header.is-scrolled { background: rgba(7,17,31,.91); backdrop-filter: blur(18px); box-shadow: 0 1px 0 rgba(255,255,255,.10); }
.header-inner { height: 82px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand img { width: 42px; height: 42px; }
.brand-wordmark { display: grid; line-height: 1; letter-spacing: .08em; }
.brand-wordmark strong { font-size: .98rem; }
.brand-wordmark span { color: var(--muted-dark); font-size: .65rem; margin-top: 5px; letter-spacing: .22em; }
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav > a { position: relative; padding: 10px 13px; color: #c8d3df; text-decoration: none; font-size: .87rem; font-weight: 700; border-radius: 9px; }
.site-nav > a:hover, .site-nav > a.is-active { color: var(--white); background: rgba(255,255,255,.07); }
.site-nav > a.is-active::after { content: ""; position: absolute; left: 13px; right: 13px; bottom: 5px; height: 2px; background: var(--lime); border-radius: 2px; }
.site-nav .nav-conference { display: inline-flex; align-items: center; gap: 6px; margin-left: 10px; border: 1px solid rgba(255,255,255,.2); }
.site-nav .nav-conference svg { width: 14px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.nav-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid rgba(255,255,255,.18); border-radius: 10px; color: var(--white); background: rgba(255,255,255,.05); }
.nav-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: currentColor; transition: transform .2s, opacity .2s; }

.hero { position: relative; overflow: hidden; background: var(--ink); color: var(--white); min-height: 810px; padding: 165px 0 95px; }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 160px; background: linear-gradient(to bottom, transparent, rgba(0,0,0,.22)); pointer-events: none; }
.hero-noise { position: absolute; inset: 0; opacity: .18; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E"); mix-blend-mode: overlay; pointer-events: none; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 55px; align-items: center; }
.hero-copy h1 { font-size: clamp(4rem, 7.5vw, 7.35rem); margin: 0 0 28px; max-width: 820px; }
.hero-copy h1 em { color: var(--lime); font-style: italic; }
.hero-lead { max-width: 650px; color: #c3d0dc; font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.45; }
.event-facts { display: flex; flex-wrap: wrap; gap: 12px 20px; margin: 36px 0 38px; color: #d4dee8; font-size: .91rem; }
.event-facts span { display: inline-flex; align-items: center; gap: 8px; }
.event-facts svg { width: 18px; height: 18px; fill: none; stroke: var(--cyan); stroke-width: 1.8; }
.hero-actions, .cta-actions, .submit-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.button { min-height: 51px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 13px 20px; border: 1px solid transparent; border-radius: 999px; text-decoration: none; font-size: .9rem; font-weight: 800; cursor: pointer; transition: transform .18s, background .18s, border-color .18s; }
.button:hover { transform: translateY(-2px); }
.button svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; }
.button-primary { background: var(--lime); color: var(--ink); }
.button-primary:hover { background: #d5ff82; }
.button-ghost { color: var(--white); border-color: rgba(255,255,255,.24); background: rgba(255,255,255,.04); }
.button-ghost:hover { background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.35); }
.button-ghost-dark { color: var(--ink); border-color: rgba(7,17,31,.22); background: transparent; }
.button-ghost-dark:hover { background: rgba(7,17,31,.05); border-color: rgba(7,17,31,.38); }
.button-small { min-height: 43px; padding: 9px 16px; font-size: .82rem; }
.button-disabled { background: rgba(255,255,255,.08); color: #a6b5c4; border-color: rgba(255,255,255,.13); cursor: default; }
.button-disabled:hover { transform: none; }
.status-line { margin-top: 25px; color: #8295a9; font-size: .79rem; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 4px rgba(255,173,102,.12); }

.hero-visual { position: relative; width: 100%; max-width: 620px; margin-left: auto; color: #9db5c8; }
.hero-visual > svg { width: 100%; filter: drop-shadow(0 28px 50px rgba(0,0,0,.26)); }
.network-nodes circle { fill: var(--ink-2); stroke: var(--cyan); stroke-width: 3; }
.network-nodes .core { fill: var(--lime); stroke: var(--lime); }
.core-mark { fill: var(--ink); }
.signal-card { position: absolute; min-width: 175px; padding: 15px 16px; background: rgba(7,17,31,.82); border: 1px solid rgba(255,255,255,.14); border-radius: 15px; backdrop-filter: blur(14px); box-shadow: 0 18px 40px rgba(0,0,0,.24); }
.signal-card span { color: var(--lime); font-family: var(--serif); font-style: italic; font-size: .83rem; }
.signal-card strong, .signal-card small { display: block; }
.signal-card strong { color: var(--white); font-size: .89rem; margin-top: 2px; }
.signal-card small { color: #8da1b5; font-size: .69rem; }
.signal-a { left: -2%; top: 18%; }
.signal-b { right: -2%; top: 48%; }
.signal-c { left: 8%; bottom: 4%; }

.split-heading { display: grid; grid-template-columns: .95fr 1.05fr; gap: 90px; align-items: start; }
.split-heading h2 { max-width: 650px; }
.large-copy { font-family: var(--serif); font-size: clamp(1.35rem, 2.2vw, 1.95rem); line-height: 1.43; color: #283545; }
.large-copy p + p { color: #63717e; }

.section-lenses { background: var(--paper-2); }
.section-intro { max-width: 850px; margin-bottom: 52px; }
.section-intro > p:last-child { max-width: 650px; color: var(--muted); }
.section-intro-row { max-width: none; display: flex; justify-content: space-between; align-items: end; gap: 25px; }
.lens-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.lens-card { position: relative; min-height: 440px; padding: 32px; overflow: hidden; background: var(--ink); color: var(--white); border-radius: var(--radius); }
.lens-card::after { content: ""; position: absolute; width: 220px; height: 220px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; right: -75px; bottom: -85px; }
.lens-card h3 { margin: 74px 0 18px; font-family: var(--serif); font-size: 2.05rem; font-weight: 500; }
.lens-card > p { color: #aab8c7; }
.lens-number { position: absolute; right: 28px; top: 24px; font-family: var(--serif); color: var(--lime); font-size: 1.2rem; font-style: italic; }
.lens-two .lens-number { color: var(--cyan); }
.lens-three .lens-number { color: var(--violet); }
.tag-list { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 7px; }
.tag-list li { padding: 6px 10px; border: 1px solid rgba(255,255,255,.13); border-radius: 999px; color: #d1dae4; font-size: .72rem; }
.crosscut-strip { margin-top: 18px; padding: 20px 25px; display: flex; gap: 30px; align-items: center; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.crosscut-strip > span { flex: 0 0 auto; font-family: var(--serif); font-style: italic; font-size: 1.15rem; }
.crosscut-strip ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 24px; padding: 0; margin: 0; color: var(--muted); font-size: .83rem; }

.section-format { background: var(--ink); color: var(--white); }
.format-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 80px; align-items: center; }
.format-copy > p:not(.section-kicker) { color: #aab8c7; max-width: 620px; font-size: 1.06rem; }
.text-link { display: inline-flex; align-items: center; gap: 9px; margin-top: 18px; color: inherit; text-decoration: none; font-weight: 800; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.text-link svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 2; transition: transform .2s; }
.text-link:hover svg { transform: translateX(4px); }
.format-stats { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line-dark); border-radius: var(--radius); overflow: hidden; }
.format-stats div { min-height: 190px; padding: 28px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.format-stats div:nth-child(2n) { border-right: 0; }
.format-stats div:nth-last-child(-n+2) { border-bottom: 0; }
.format-stats strong { color: var(--lime); font-family: var(--serif); font-size: 3.4rem; font-weight: 500; line-height: 1; }
.format-stats span { color: #a9b6c4; font-size: .84rem; }

.section-dates { background: var(--paper); }
.timeline { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.timeline li { display: grid; grid-template-columns: 220px 1fr; gap: 34px; align-items: center; min-height: 130px; border-bottom: 1px solid var(--line); }
.timeline time { display: flex; align-items: center; gap: 13px; color: #566673; font-size: .72rem; font-weight: 800; letter-spacing: .08em; }
.timeline time span { color: var(--ink); font-family: var(--serif); font-size: 3.5rem; font-style: italic; font-weight: 500; letter-spacing: -.04em; }
.timeline h3 { margin: 0 0 4px; font-size: 1.25rem; }
.timeline p { color: var(--muted); font-size: .87rem; }
.timeline-highlight { background: var(--lime); margin-inline: -18px; padding-inline: 18px; border: 0 !important; border-radius: var(--radius-sm); }
.timeline-highlight time { color: #354224; }
.section-cta { padding-top: 30px; }
.cta-panel, .submit-panel, .calendar-panel { position: relative; overflow: hidden; background: var(--ink); color: var(--white); border-radius: var(--radius-lg); padding: 58px; display: grid; grid-template-columns: 1.25fr .75fr; gap: 45px; align-items: center; box-shadow: var(--shadow); }
.cta-panel::after, .submit-panel::after, .calendar-panel::after { content: ""; position: absolute; width: 360px; height: 360px; border: 1px solid rgba(198,255,90,.18); border-radius: 50%; right: -120px; top: -170px; pointer-events: none; }
.cta-panel h2, .submit-panel h2, .calendar-panel h2 { font-size: clamp(2.3rem, 4vw, 4.2rem); margin-bottom: 0; }
.cta-actions, .submit-actions { justify-content: flex-end; position: relative; z-index: 2; }

.page-hero { background: var(--ink); color: var(--white); min-height: 615px; padding: 175px 0 100px; position: relative; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; width: 760px; height: 760px; right: -260px; top: -330px; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; box-shadow: 0 0 0 80px rgba(255,255,255,.018), 0 0 0 160px rgba(255,255,255,.012); }
.page-hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .6fr; gap: 80px; align-items: end; }
.page-hero h1 { font-size: clamp(4rem, 7vw, 7rem); margin: 0; }
.page-lead { max-width: 710px; color: #b8c7d5; font-size: 1.18rem; margin: 30px 0 0; }
.page-hero-aside, .deadline-card, .event-ticket { justify-self: end; width: min(100%, 330px); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius); padding: 28px; backdrop-filter: blur(10px); }
.deadline-card > p { color: var(--muted-dark); text-transform: uppercase; letter-spacing: .13em; font-size: .71rem; font-weight: 800; }
.deadline-card time { display: flex; align-items: center; gap: 20px; padding: 16px 0 20px; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.deadline-card time strong { color: var(--lime); font-family: var(--serif); font-size: 5.3rem; font-weight: 500; line-height: .8; }
.deadline-card time span { font-size: 1rem; line-height: 1.2; font-weight: 750; }
.deadline-card small { display: block; color: #8fa2b5; margin-top: 18px; }
.page-hero-program .eyebrow { color: var(--cyan); }
.page-hero-people .eyebrow { color: var(--violet); }
.page-hero-attend .eyebrow { color: var(--orange); }
.aside-label, .ticket-label { display: block; color: var(--lime); text-transform: uppercase; letter-spacing: .12em; font-size: .7rem; font-weight: 850; margin-bottom: 20px; }
.program-aside strong { font-family: var(--serif); color: var(--cyan); font-size: 2.7rem; font-weight: 500; }
.program-aside p, .people-aside p { color: #bdc9d6; }

.prose-grid { display: grid; grid-template-columns: 1.2fr .65fr; gap: 90px; align-items: start; }
.prose-main { max-width: 770px; }
.lead-paragraph { font-family: var(--serif); font-size: clamp(1.55rem, 2.8vw, 2.3rem); line-height: 1.35; color: #263443; }
.note-card { padding: 28px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 16px 40px rgba(7,17,31,.07); }
.note-label, .pending-label { display: inline-flex; padding: 5px 9px; border-radius: 999px; background: #fff0dd; color: #7c4819; font-size: .7rem; text-transform: uppercase; font-weight: 850; letter-spacing: .09em; }
.note-card p { margin-top: 20px; color: var(--muted); }

.section-topics { background: var(--ink); color: var(--white); }
.section-topics .section-kicker { color: var(--cyan); }
.section-topics .section-intro > p:last-child { color: #9eb0c0; }
.topic-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.topic-columns article { padding: 31px; min-height: 390px; border: 1px solid var(--line-dark); border-radius: var(--radius); background: rgba(255,255,255,.025); }
.topic-columns .topic-wide { grid-column: 1 / -1; min-height: 0; display: grid; grid-template-columns: 70px 1fr 2fr; gap: 25px; align-items: start; }
.topic-index { color: var(--lime); font-family: var(--serif); font-style: italic; }
.topic-columns h3 { font-family: var(--serif); font-size: 1.9rem; font-weight: 500; margin: 55px 0 24px; }
.topic-wide h3 { margin: 0; }
.topic-columns ul { margin: 0; padding-left: 19px; color: #afbdca; }
.topic-columns li { margin: 9px 0; }
.topic-wide ul { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 30px; }

.requirements-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.requirements-grid article { padding: 27px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.requirements-grid article > span, .principle-grid article > span, .audience-grid article > span { color: #66807b; font-family: var(--serif); font-style: italic; }
.requirements-grid h3 { margin-top: 50px; }
.requirements-grid p { color: var(--muted); font-size: .88rem; }
.accepted-formats { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.accepted-formats > div { padding: 22px; border-right: 1px solid var(--line); background: var(--paper-2); }
.accepted-formats > div:last-child { border-right: 0; }
.accepted-formats span, .accepted-formats strong { display: block; }
.accepted-formats span { color: var(--muted); font-size: .73rem; }
.accepted-formats strong { font-family: var(--serif); font-size: 1.45rem; font-weight: 500; }

.section-review { background: var(--paper-2); }
.two-column { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.two-column > div:first-child > p:not(.section-kicker) { color: var(--muted); }
.criteria-list { border-top: 1px solid var(--line); }
.criteria-list > div { display: grid; grid-template-columns: 52px 1fr; padding: 19px 0; border-bottom: 1px solid var(--line); align-items: center; }
.criteria-list span { font-family: var(--serif); font-style: italic; color: #658077; }
.criteria-list p { margin: 0; font-weight: 700; }
.section-dates-light { background: var(--white); }
.timeline-compact li { min-height: 105px; }
.print-button { border: 1px solid rgba(7,17,31,.22); background: transparent; }
.section-submit { background: var(--paper-2); }
.submit-panel p:not(.section-kicker) { color: #aebbc8; max-width: 660px; }
.section-faq { background: var(--white); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); padding: 0; }
.faq-list summary { list-style: none; cursor: pointer; padding: 24px 48px 24px 0; font-family: var(--serif); font-size: 1.35rem; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 8px; top: 21px; color: #62756d; font-family: var(--sans); font-size: 1.3rem; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { max-width: 760px; padding: 0 0 25px; color: var(--muted); }

.schedule-note { max-width: 760px; margin-bottom: 35px; color: var(--muted); }
.schedule-table { border-top: 1px solid var(--line); }
.schedule-row { display: grid; grid-template-columns: 155px 1fr 260px; gap: 28px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); }
.schedule-head { min-height: 52px; padding: 10px 0; color: #728078; text-transform: uppercase; letter-spacing: .1em; font-size: .67rem; font-weight: 850; }
.schedule-row time { font-family: var(--serif); font-size: 1.2rem; }
.schedule-row strong, .schedule-row span { display: block; }
.schedule-row > div:nth-child(2) span { color: var(--muted); font-size: .83rem; margin-top: 2px; }
.session-chip { display: inline-flex !important; width: fit-content; padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; color: #4f625c; font-size: .7rem !important; font-weight: 800; }
.chip-one { background: rgba(198,255,90,.22); border-color: rgba(111,151,38,.18); }
.chip-two { background: rgba(82,214,255,.18); border-color: rgba(31,135,166,.18); }
.chip-three { background: rgba(169,154,255,.18); border-color: rgba(102,85,196,.18); }
.schedule-break { background: var(--paper-2); margin-inline: -18px; padding-inline: 18px; }
.section-speakers-preview { background: var(--ink); color: var(--white); }
.section-speakers-preview .section-kicker { color: var(--cyan); }
.section-speakers-preview .section-intro p:last-child { color: #9eafbf; }
.speaker-placeholder-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.speaker-placeholder-grid article { padding: 28px; border: 1px solid var(--line-dark); border-radius: var(--radius); background: rgba(255,255,255,.025); }
.speaker-placeholder-grid article > span { color: var(--cyan); font-family: var(--serif); font-style: italic; }
.avatar-placeholder { width: 82px; height: 82px; display: grid; place-items: center; margin: 45px 0 26px; border: 1px dashed rgba(255,255,255,.25); border-radius: 50%; color: #72879a; font-family: var(--serif); font-size: 2rem; }
.speaker-placeholder-grid h3 { font-family: var(--serif); font-size: 1.7rem; font-weight: 500; }
.speaker-placeholder-grid p { color: #a2b2c0; font-size: .86rem; min-height: 116px; }
.speaker-placeholder-grid strong { display: block; padding-top: 18px; border-top: 1px solid var(--line-dark); color: var(--lime); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.section-accepted { background: var(--paper-2); }
.accepted-grid { display: grid; grid-template-columns: 1fr .75fr; gap: 80px; align-items: center; }
.accepted-grid > div:first-child > p:not(.section-kicker) { color: var(--muted); }
.empty-state { padding: 32px; background: var(--white); border: 1px dashed rgba(7,17,31,.25); border-radius: var(--radius); }
.empty-state span { color: #61776f; font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 850; }
.empty-state strong { display: block; font-family: var(--serif); font-size: 1.7rem; font-weight: 500; margin: 35px 0 12px; }
.empty-state p { color: var(--muted); font-size: .85rem; }
.principle-grid, .audience-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.principle-grid article, .audience-grid article { padding: 26px; border-top: 2px solid var(--ink); background: var(--white); }
.principle-grid h3, .audience-grid h3 { margin-top: 54px; font-family: var(--serif); font-size: 1.55rem; font-weight: 500; }
.principle-grid p, .audience-grid p { color: var(--muted); font-size: .84rem; }

.people-aside .aside-label { color: var(--violet); }
.organizer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.organizer-card { padding: 33px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; min-height: 430px; }
.organizer-top { display: flex; gap: 20px; align-items: center; }
.organizer-avatar { width: 72px; height: 72px; flex: 0 0 72px; display: grid; place-items: center; border-radius: 50%; background: var(--ink); color: var(--lime); font-family: var(--serif); font-style: italic; font-size: 1.3rem; }
.organizer-top h3 { margin: 0 0 4px; font-family: var(--serif); font-size: 1.55rem; font-weight: 500; }
.organizer-top p { color: var(--muted); font-size: .8rem; line-height: 1.35; }
.organizer-bio { margin: 32px 0; color: #53616d; font-size: .9rem; }
.organizer-links { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 7px; }
.organizer-links a { display: inline-flex; align-items: center; gap: 7px; width: fit-content; text-decoration: none; color: #3f5553; font-size: .77rem; font-weight: 750; }
.organizer-links a:hover { color: var(--ink); }
.organizer-links svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.8; }
/* Sponsorship: uses the original WDSC visual language. */
.home-sponsors { padding-top: 34px; background: var(--paper-2); }
.sponsor-teaser, .sponsor-panel { position: relative; overflow: hidden; background: var(--ink); color: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.sponsor-teaser::after, .sponsor-panel::after { content: ""; position: absolute; width: 420px; height: 420px; right: -145px; top: -235px; border: 1px solid rgba(198,255,90,.18); border-radius: 50%; box-shadow: 0 0 0 70px rgba(82,214,255,.025), 0 0 0 140px rgba(169,154,255,.018); pointer-events: none; }
.sponsor-teaser { padding: 54px 58px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; align-items: center; }
.sponsor-teaser > *, .sponsor-panel > * { position: relative; z-index: 1; }
.sponsor-teaser .section-kicker, .section-sponsors .section-kicker { color: var(--lime); }
.sponsor-teaser h2 { margin-bottom: 20px; font-size: clamp(2.5rem, 4.7vw, 4.4rem); }
.sponsor-teaser-copy > p:not(.section-kicker), .sponsor-teaser-side > p { color: #aebdcb; }
.sponsor-teaser-side { display: grid; gap: 22px; justify-items: start; }
.sponsor-teaser-side > p { max-width: 430px; margin: 0; font-size: .91rem; }

.section-sponsors { background: var(--paper-2); scroll-margin-top: 92px; }
.sponsor-panel { padding: 64px; display: grid; grid-template-columns: 1.08fr .92fr; gap: 80px; align-items: start; }
.sponsor-copy > p:not(.section-kicker) { max-width: 720px; color: #aebdcb; }
.sponsor-contact { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line-dark); color: #dce6ee !important; }
.sponsor-principles { border-top: 1px solid var(--line-dark); }
.sponsor-principles article { padding: 23px 0; border-bottom: 1px solid var(--line-dark); }
.sponsor-principles article > span { color: var(--lime); font-family: var(--serif); font-style: italic; font-size: .82rem; }
.sponsor-principles h3 { margin: 9px 0 8px; color: var(--white); font-family: var(--sans); font-size: 1.12rem; font-weight: 750; }
.sponsor-principles p { margin: 0; color: #9fb0bf; font-size: .86rem; }
.sponsor-principles .button { margin-top: 28px; }

.section-committee { background: var(--ink); color: var(--white); }
.committee-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; align-items: center; }
.committee-grid > div:first-child p:not(.section-kicker) { color: #9eb0c0; }
.expertise-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
.expertise-cloud span { padding: 9px 13px; border: 1px solid var(--line-dark); border-radius: 999px; color: #bdc8d2; font-size: .78rem; }
.section-contact { background: var(--paper-2); }
.contact-panel { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; align-items: start; }
.contact-panel > div:first-child > p:not(.section-kicker) { color: var(--muted); }
.contact-list { border-top: 1px solid var(--line); }
.contact-list a { display: flex; justify-content: space-between; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line); text-decoration: none; font-family: var(--serif); font-size: 1.1rem; }
.contact-list a:hover { color: #35584e; }
.contact-list span { color: var(--muted); font-family: var(--sans); font-size: .78rem; }

.event-ticket { transform: rotate(1.5deg); }
.ticket-label { color: var(--orange); }
.event-ticket > div { display: flex; gap: 16px; align-items: center; padding: 18px 0; border-top: 1px dashed var(--line-dark); border-bottom: 1px dashed var(--line-dark); }
.event-ticket strong { color: var(--orange); font-family: var(--serif); font-size: 5rem; font-weight: 500; line-height: .8; }
.event-ticket div span { font-size: .92rem; font-weight: 800; line-height: 1.2; }
.event-ticket p { color: #9fb0bf; margin-top: 18px; font-size: .85rem; }
.section-attend-details { background: var(--white); }
.attend-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.attend-grid article { padding: 42px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.attend-grid h2 { font-size: clamp(2.2rem, 4vw, 3.8rem); }
.attend-grid p:not(.section-kicker) { color: var(--muted); }
.detail-icon { width: 50px; height: 50px; display: grid; place-items: center; margin-bottom: 50px; border-radius: 50%; background: var(--ink); color: var(--lime); }
.detail-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.section-who { background: var(--paper-2); }
.audience-grid { grid-template-columns: repeat(3, 1fr); }
.section-practical { background: var(--ink); color: var(--white); }
.practical-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.practical-list { margin: 0; border-top: 1px solid var(--line-dark); }
.practical-list > div { display: grid; grid-template-columns: 190px 1fr; gap: 25px; padding: 18px 0; border-bottom: 1px solid var(--line-dark); }
.practical-list dt { color: #8fa1b2; font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 800; }
.practical-list dd { margin: 0; }
.section-calendar { background: var(--paper-2); }
.calendar-panel p:not(.section-kicker) { color: #aebbc8; }
.section-access { background: var(--white); }
.access-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: start; }
.access-grid > div:last-child { color: var(--muted); font-size: 1.05rem; }

.notfound { min-height: 78vh; padding: 210px 0 120px; background: var(--ink); color: var(--white); }
.notfound h1 { font-size: clamp(4rem, 8vw, 8rem); max-width: 850px; }
.notfound p:not(.eyebrow) { color: #a9b8c6; font-size: 1.1rem; }

.site-footer { background: #040b14; color: var(--white); padding: 80px 0 25px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .6fr .6fr; gap: 70px; padding-bottom: 65px; }
.brand-footer { color: var(--white); }
.footer-about > p { max-width: 430px; margin-top: 25px; color: #8fa0b1; }
.site-footer h2 { font-family: var(--sans); font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 850; color: #8193a5; margin-bottom: 20px; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin: 8px 0; color: #c2ced9; font-size: .83rem; }
.footer-links a { display: inline-flex; gap: 6px; align-items: center; text-decoration: none; }
.footer-links a:hover { color: var(--lime); }
.footer-links svg { width: 13px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; padding-top: 20px; border-top: 1px solid var(--line-dark); color: #738598; font-size: .72rem; }
.footer-bottom p { margin: 0; }

/* Home page uses the same dark canvas as the other public page headers. */
body.page-home { background: var(--ink); color: var(--white); }
.minimal-intro { position: relative; min-height: 0; padding: 154px 0 42px; overflow: hidden; background: var(--ink); }
.minimal-intro::after { content: ""; position: absolute; width: 760px; height: 760px; right: -260px; top: -330px; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; box-shadow: 0 0 0 80px rgba(255,255,255,.018), 0 0 0 160px rgba(255,255,255,.012); pointer-events: none; }
.minimal-content { position: relative; z-index: 1; max-width: none; margin-inline: auto; }
.minimal-label { margin-bottom: 22px; color: #9eb0c0; font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.minimal-content h1 { margin: 0; color: var(--white); font-family: var(--sans); font-size: clamp(4rem, 7vw, 7rem); font-weight: 800; letter-spacing: -.045em; line-height: .96; }
.minimal-title { max-width: 600px; margin: 18px 0 28px; color: #d5e1ec; font-size: clamp(1.25rem, 2.5vw, 1.7rem); line-height: 1.25; }
.minimal-date { margin-bottom: 0; color: var(--lime); font-size: .92rem; font-weight: 750; line-height: 1.55; }
.minimal-rule { width: 100%; margin: 42px 0 28px; border-top: 1px solid var(--line-dark); }
.minimal-content > p:not(.minimal-label):not(.minimal-title):not(.minimal-date) { max-width: 680px; color: #b8c7d5; font-size: 1rem; line-height: 1.55; }
.minimal-links { display: flex; flex-wrap: wrap; gap: 0 28px; margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--line-dark); }
.minimal-links a { display: inline-flex; align-items: center; gap: 8px; padding: 8px 0; color: var(--white); font-size: .86rem; font-weight: 800; text-decoration: none; }
.minimal-links a:hover { color: var(--lime); }
.minimal-links span { color: var(--lime); font-size: 1.05rem; }

body.page-home .site-header { color: var(--white); }
body.page-home .site-header.is-scrolled { background: rgba(7,17,31,.91); box-shadow: 0 1px 0 rgba(255,255,255,.10); }

body.page-home h1, body.page-home h2, body.page-home h3 { font-family: var(--sans); letter-spacing: -.045em; }
body.page-home h1 { font-weight: 800; line-height: .96; }
body.page-home h2, body.page-home h3 { font-weight: 750; line-height: 1.02; }
.home-overview { background: var(--white); color: var(--text); }
.home-topics { background: var(--paper-2); color: var(--text); }
.home-prose-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; align-items: start; }
.home-prose-grid > div > p:not(.section-kicker) { max-width: 760px; color: var(--muted); }
.home-format-note { margin-top: 42px; }
.home-topics .section-intro > p:last-child { color: var(--muted); }

body.page-cfp h1, body.page-cfp h2, body.page-cfp h3,
body.page-program h1, body.page-program h2, body.page-program h3,
body.page-people h1, body.page-people h2, body.page-people h3 { font-family: var(--sans); letter-spacing: -.045em; }
body.page-cfp h1, body.page-program h1, body.page-people h1 { font-weight: 800; line-height: .96; }
body.page-cfp h2, body.page-program h2, body.page-people h2 { font-weight: 750; line-height: 1.02; }
body.page-cfp h3, body.page-program h3, body.page-people h3 { font-weight: 750; }

/* Keep every visible event date on one consistent, sans-serif date system. */
.deadline-card time strong,
.program-aside strong,
.timeline time,
.timeline time span { font-family: var(--sans); font-style: normal; font-weight: 800; letter-spacing: -.04em; }
.deadline-card time strong { color: var(--white); }
.program-aside strong { color: var(--white); }
.timeline time span { color: var(--ink); }

.page-hero-grid-single { grid-template-columns: minmax(0, 760px); }
.page-date { margin: 28px 0 0; color: var(--lime); font-size: .92rem; font-weight: 750; line-height: 1.55; }

/* Compact call page uses the same content rhythm as the other public pages. */
.cfp-compact-intro { background: var(--paper); }
.cfp-compact-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; align-items: start; }
.cfp-compact-grid > div > p:not(.section-kicker) { max-width: 660px; color: var(--muted); }
.cfp-compact-topics { background: var(--paper-2); }
.compact-topic-list { border-top: 1px solid var(--line); }
.compact-topic-list > div { display: grid; grid-template-columns: 76px 190px 1fr; gap: 24px; align-items: baseline; padding: 24px 0; border-bottom: 1px solid var(--line); }
.compact-topic-list span { color: #66807b; font-size: .75rem; font-weight: 850; letter-spacing: .1em; }
.compact-topic-list strong { font-size: 1.06rem; }
.compact-topic-list p { margin: 0; color: var(--muted); font-size: .92rem; }
.cfp-compact-format { background: var(--white); }
.compact-requirements { border-top: 1px solid var(--line); }
.compact-requirements p { margin: 0; padding: 16px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.compact-requirements strong { display: inline-block; width: 115px; color: var(--text); }
.cfp-compact-dates { background: var(--paper-2); }

@media (max-width: 1050px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 580px; margin: 10px auto 0; }
  .hero { padding-bottom: 120px; }
  .page-hero-grid { grid-template-columns: 1fr .55fr; gap: 40px; }
  .page-hero-grid-single { grid-template-columns: minmax(0, 760px); }
  .home-prose-grid { grid-template-columns: 1fr; gap: 40px; }
  .sponsor-teaser, .sponsor-panel { grid-template-columns: 1fr; gap: 42px; }
  .cfp-compact-grid { grid-template-columns: 1fr; gap: 40px; }
  .lens-grid { grid-template-columns: 1fr; }
  .lens-card { min-height: 340px; }
  .requirements-grid { grid-template-columns: 1fr 1fr; }
  .principle-grid { grid-template-columns: 1fr 1fr; }
  .topic-columns { grid-template-columns: 1fr 1fr; }
  .topic-columns .topic-wide { grid-column: 1 / -1; }
  .speaker-placeholder-grid { grid-template-columns: 1fr; }
  .speaker-placeholder-grid p { min-height: 0; }
}

@media (max-width: 820px) {
  body { font-size: 16px; }
  .container { width: min(calc(100% - 28px), var(--max)); }
  .section { padding: 78px 0; }
  .header-inner { height: 72px; }
  .nav-toggle { display: block; }
  .site-nav { position: fixed; top: 72px; left: 14px; right: 14px; display: grid; gap: 4px; padding: 13px; background: rgba(7,17,31,.98); border: 1px solid rgba(255,255,255,.13); border-radius: 16px; box-shadow: var(--shadow); transform: translateY(-16px); opacity: 0; visibility: hidden; transition: transform .2s, opacity .2s, visibility .2s; }
  .site-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .site-nav > a { padding: 12px 14px; }
  .site-nav .nav-conference { margin-left: 0; margin-top: 5px; }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(4) { transform: translateY(-7px) rotate(-45deg); }
  .hero { min-height: 0; padding: 130px 0 85px; }
  .hero-copy h1 { font-size: clamp(3.55rem, 16vw, 6rem); }
  .signal-card { transform: scale(.88); }
  .signal-a { left: -5%; }
  .signal-b { right: -5%; }
  .split-heading, .format-grid, .page-hero-grid, .prose-grid, .two-column, .accepted-grid, .committee-grid, .contact-panel, .practical-grid, .access-grid { grid-template-columns: 1fr; gap: 45px; }
  .page-hero { min-height: 0; padding: 135px 0 78px; }
  .page-hero-aside, .deadline-card, .event-ticket { justify-self: start; }
  .format-stats { max-width: 620px; }
  .topic-columns { grid-template-columns: 1fr; }
  .topic-columns .topic-wide { grid-column: auto; display: block; }
  .topic-wide h3 { margin: 45px 0 24px; }
  .topic-wide ul { grid-template-columns: 1fr; }
  .schedule-row { grid-template-columns: 125px 1fr; }
  .timeline-highlight { margin-inline: 0; padding-inline: 18px; }
  .compact-topic-list > div { grid-template-columns: 60px 160px 1fr; }
  .schedule-row > div:last-child { grid-column: 2; }
  .schedule-head > div:last-child { display: none; }
  .organizer-grid, .attend-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .cta-panel, .submit-panel, .calendar-panel { grid-template-columns: 1fr; padding: 40px; }
  .sponsor-teaser, .sponsor-panel { padding: 40px; }
  .cta-actions, .submit-actions { justify-content: flex-start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-about { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  h2 { font-size: 2.6rem; }
  .hero-copy h1, .page-hero h1 { font-size: clamp(3.25rem, 16.2vw, 4.6rem); }
  .hero-visual { margin-inline: -10px; width: calc(100% + 20px); }
  .signal-card { min-width: 155px; padding: 12px; }
  .signal-a { top: 14%; }
  .signal-c { bottom: 0; }
  .event-facts { display: grid; grid-template-columns: 1fr; }
  .section-intro-row { align-items: flex-start; flex-direction: column; }
  .crosscut-strip { align-items: flex-start; flex-direction: column; gap: 13px; }
  .format-stats { grid-template-columns: 1fr; }
  .format-stats div, .format-stats div:nth-child(2n) { min-height: 130px; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .format-stats div:last-child { border-bottom: 0; }
  .timeline li { grid-template-columns: 1fr; gap: 0; padding: 20px 0; }
  .timeline-highlight { margin-inline: 0; padding: 20px 18px !important; }
  .schedule-break { margin-inline: 0; padding-inline: 0; }
  .requirements-grid, .principle-grid { grid-template-columns: 1fr; }
  .accepted-formats { grid-template-columns: 1fr; }
  .accepted-formats > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .accepted-formats > div:last-child { border-bottom: 0; }
  .schedule-row { grid-template-columns: 1fr; gap: 7px; padding: 20px 0; }
  .compact-topic-list > div { grid-template-columns: 1fr; gap: 5px; padding: 20px 0; }
  .compact-requirements strong { display: block; width: auto; margin-bottom: 3px; }
  .schedule-row > div:last-child { grid-column: auto; margin-top: 5px; }
  .schedule-head { display: none; }
  .organizer-card, .attend-grid article { padding: 25px; }
  .organizer-top { align-items: flex-start; }
  .contact-list a { flex-direction: column; gap: 3px; }
  .practical-list > div { grid-template-columns: 1fr; gap: 4px; }
  .cta-panel, .submit-panel, .calendar-panel { padding: 30px 24px; border-radius: var(--radius); }
  .sponsor-teaser, .sponsor-panel { padding: 30px 24px; border-radius: var(--radius); }
  .home-sponsors { padding-top: 18px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-about { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .minimal-intro { min-height: 0; padding: 125px 0 42px; }
  .minimal-content h1 { font-size: clamp(3.25rem, 16.2vw, 4.6rem); }
  .minimal-links { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
}

@media (prefers-reduced-motion: no-preference) {
  .network-lines path { stroke-dasharray: 8 12; animation: drift 18s linear infinite; }
  .network-nodes circle { animation: pulse 4.6s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
  .network-nodes circle:nth-child(2n) { animation-delay: -1.7s; }
  .signal-card { animation: float 7s ease-in-out infinite; }
  .signal-b { animation-delay: -2s; }
  .signal-c { animation-delay: -4s; }
  @keyframes drift { to { stroke-dashoffset: -240; } }
  @keyframes pulse { 50% { transform: scale(1.12); } }
  @keyframes float { 50% { transform: translateY(-8px); } }
}

@media print {
  :root { --paper: #fff; --paper-2: #fff; }
  body { color: #000; font-size: 10.5pt; line-height: 1.45; }
  .skip-link, .site-header, .site-footer, .hero-actions, .button, .section-submit, .section-faq, .page-hero::after { display: none !important; }
  .container { width: 100%; }
  .page-hero { min-height: 0; padding: 10mm 0 8mm; background: #fff; color: #000; border-bottom: 1.5pt solid #000; }
  .page-hero-grid { grid-template-columns: 1fr 62mm; gap: 10mm; align-items: end; }
  .page-hero h1 { font-size: 30pt; line-height: 1; }
  .page-lead { margin-top: 5mm; font-size: 11.5pt; }
  .page-lead, .deadline-card small, .deadline-card > p { color: #333; }
  .deadline-card { width: 100%; padding: 5mm; border-color: #777; background: #fff; }
  .deadline-card time { gap: 4mm; padding: 3mm 0; }
  .deadline-card time strong { color: #000; font-size: 38pt; }
  .section { padding: 8mm 0; }
  .section-intro { margin-bottom: 6mm; }
  h2 { font-size: 23pt; margin-bottom: 5mm; }
  .prose-grid { display: block; }
  .lead-paragraph { font-size: 15pt; }
  .note-card { margin-top: 6mm; }
  .section-topics { background: #fff; color: #000; }
  .section-topics .section-intro > p:last-child, .topic-columns ul { color: #222; }
  .topic-columns { grid-template-columns: 1fr 1fr; gap: 5mm; }
  .topic-columns article { min-height: 0; padding: 6mm; border-color: #aaa; background: #fff; break-inside: avoid; }
  .topic-columns .topic-wide { grid-column: 1 / -1; display: grid; grid-template-columns: 15mm 1fr 2fr; gap: 4mm; }
  .topic-columns h3 { margin: 8mm 0 4mm; font-size: 16pt; }
  .topic-columns .topic-wide h3 { margin: 0; }
  .topic-columns li { margin: 1.5mm 0; }
  .topic-index { color: #000; }
  .requirements-grid { grid-template-columns: 1fr 1fr; gap: 4mm; }
  .requirements-grid article { padding: 5mm; break-inside: avoid; }
  .requirements-grid h3 { margin-top: 7mm; }
  .accepted-formats { margin-top: 4mm; }
  .accepted-formats > div { padding: 4mm; }
  .two-column { grid-template-columns: .85fr 1.15fr; gap: 10mm; }
  .criteria-list > div { padding: 3mm 0; }
  .timeline li { grid-template-columns: 42mm 1fr; min-height: 20mm; gap: 6mm; }
  .timeline time span { font-size: 24pt; }
  .requirements-grid article, .note-card { box-shadow: none; break-inside: avoid; }
  .section-review, .section-dates-light { background: #fff; }
  a { text-decoration: none; }
}