/* SAYS Symposium. Helvetica, shocking pink, black-and-white photos.
   TODO: replace --pink with the hex sampled from the Canva posters. */
:root {
  --pink: #ff2e93;
  --pink-hi: #ff5cab;
  --black: #0a0a0a;
  --ink: #141414;
  --line: #2b2b2b;
  --white: #ffffff;
  --mute: #c9c9c9;
  --btn-bg: var(--pink); /* was #d4157a (white text about 5:1). White on --pink is only about 3.5:1; for AA use #0a0a0a text */
  --btn-fg: #ffffff;
  --bg: #0a0a0a;
  --fg: #ffffff;
  --card: #141414;
  --pink-text: var(--pink);
  --link-hi: var(--pink-hi);
  --header-bg: rgba(10,10,10,0.94);
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --gutter: clamp(20px, 4vw, 56px);
  --max: 1440px;
  --radius: 6px;
}

/* Light theme. Pink fails AA as small text on white, so text uses a deeper pink. */
:root[data-theme="light"] {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --card: #f3f3f3;
  --line: #d4d4d4;
  --mute: #4d4d4d;
  --pink-text: #c4006a;
  --link-hi: #8f004d;
  --header-bg: rgba(255,255,255,0.94);
}
/* Photo sections and the pink band keep their own palette in both themes. */
.hero, .band { --bg: #0a0a0a; --fg: #ffffff; --card: #141414; --line: #2b2b2b; --mute: #c9c9c9; --pink-text: var(--pink); --link-hi: var(--pink-hi); color: #fff; }
.on-pink-bg { --fg: #ffffff; --pink-text: #ffffff; --link-hi: #ffffff; color: #ffffff; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}
img { max-width: 100%; display: block; }
a { color: var(--pink-text); text-underline-offset: 3px; }
a:hover { color: var(--link-hi); }
:focus-visible { outline: 3px solid var(--fg); outline-offset: 3px; box-shadow: 0 0 0 6px var(--pink); }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -999px; top: 0; background: var(--pink); color: #fff; padding: 10px 14px; z-index: 100; font-weight: 700; }
.skip:focus { left: 0; }

h1, h2, h3, h4 { line-height: 1.05; margin: 0; letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 6vw, 3.6rem); font-weight: 800; text-transform: uppercase; }
h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; line-height: 1.2; }
.eyebrow { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--pink-text); margin: 0 0 14px; }

/* Buttons */
.btn {
  display: inline-block; font: inherit; font-weight: 800; text-decoration: none; cursor: pointer;
  background: var(--btn-bg); color: var(--btn-fg); border: 3px solid var(--btn-bg);
  padding: 14px 26px; text-transform: uppercase; letter-spacing: 0.04em;
  transition: background 0.15s, color 0.15s;
}
.btn:hover { background: var(--bg); color: var(--pink-text); border-color: var(--btn-bg); }
.btn { text-align: center; }
.btn.sm { padding: 9px 16px; font-size: 0.85rem; }
.btn.lg { font-size: 1.15rem; padding: 18px 34px; }
.btn.on-pink { background: var(--black); border-color: var(--black); color: var(--pink); }
.btn.on-pink:hover { background: var(--pink); color: var(--black); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--header-bg); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; }
.brand { font-weight: 900; font-size: 1.4rem; letter-spacing: -0.03em; color: var(--pink-text); text-decoration: none; }
.nav { display: none; gap: 22px; }
.nav a { color: var(--fg); text-decoration: none; font-weight: 700; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; }
.nav a:hover { color: var(--pink-text); }
@media (min-width: 700px) { .nav { display: flex; } }

/* Hero */
.hero { position: relative; isolation: isolate; min-height: min(88vh, 820px); display: flex; align-items: flex-end; overflow: hidden; }
.hero-bg, .hero-bg img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 55% 35%; z-index: -2; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(to top, rgba(10,10,10,0.96) 8%, rgba(10,10,10,0.72) 45%, rgba(10,10,10,0.35) 100%); }
.hero .wrap { padding-top: 96px; padding-bottom: 40px; }
.badge { display: inline-block; background: var(--pink); color: #fff; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.85rem; padding: 7px 12px; margin-bottom: 18px; }
.hero h1 { font-size: clamp(2.6rem, 10vw, 6.6rem); font-weight: 900; text-transform: uppercase; letter-spacing: -0.04em; line-height: 0.95; max-width: 14ch; }
.hero h1 span { color: var(--pink-text); }
.hero .tag { font-size: clamp(1.05rem, 2.4vw, 1.35rem); max-width: 40rem; margin: 22px 0 0; }
.hero .cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; margin-top: 28px; }
.hero .note { font-weight: 700; margin: 0; }
.zones { display: grid; gap: 1px; grid-template-columns: repeat(3, 1fr); margin-top: 40px; background: var(--white); border: 1px solid var(--white); max-width: 720px; }
.zones > div { background: rgba(10,10,10,0.88); padding: 12px 14px; }
.zones b { display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--pink-text); }
.zones span { font-weight: 800; font-size: clamp(0.95rem, 3.4vw, 1.3rem); white-space: nowrap; }
.zones small { display: block; color: var(--mute); font-size: 0.75rem; }

/* Sections */
section { padding: 84px 0; }
.on-pink-bg { background: var(--pink); color: #fff; }
.on-pink-bg .eyebrow { color: #fff; }
.on-pink-bg a { color: #fff; }
.section-head { margin-bottom: 44px; max-width: 46rem; }
.lede { font-size: clamp(1.4rem, 3.6vw, 2.2rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 20px; }
.about-grid { display: grid; gap: 40px; }
@media (min-width: 900px) { .about-grid { grid-template-columns: 1fr 1fr; gap: 64px; } }
.prose p { margin: 0 0 1.1em; max-width: 42rem; }
.does { list-style: none; padding: 0; margin: 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.does li { background: var(--bg); padding: 22px; }
.does li h3 { color: var(--pink-text); margin-bottom: 8px; }
.does li p { margin: 0; color: var(--mute); }
.leaders { list-style: none; padding: 0; margin: 22px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.leaders li { border: 2px solid #fff; font-weight: 800; padding: 6px 12px; }

/* Symposium intro + zones */
.sym-grid { display: grid; gap: 40px; }
@media (min-width: 900px) { .sym-grid { grid-template-columns: 1.1fr 1fr; gap: 64px; } }
.sym-intro { font-size: 1.25rem; font-weight: 700; margin: 0 0 24px; max-width: 34rem; }
.sym-meta { margin: 0 0 28px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.tz-cards { display: grid; gap: 12px; margin: 0 0 36px; }
.tz-cards div { border: 2px solid var(--line); padding: 12px 16px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.tz-cards b { font-size: 1.1rem; }
.tz-cards span { font-weight: 800; }
.starts h3 { margin-bottom: 12px; }
.starts dl { margin: 0; border-top: 3px solid var(--pink); }
.starts .row { display: grid; grid-template-columns: 6.5rem 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.starts dt { font-weight: 800; }
.starts dd { margin: 0; }

/* Schedule */
.sched { border-top: 3px solid var(--pink); }
.sched-head { display: none; }
.row-s { border-bottom: 1px solid var(--line); padding: 18px 0; display: grid; gap: 12px; }
.row-s.break { color: var(--mute); padding: 12px 0; }
.times { display: grid; gap: 2px; font-variant-numeric: tabular-nums; font-size: 0.92rem; }
.times span b { display: inline-block; min-width: 6.6rem; font-weight: 700; color: var(--pink-text); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; }
.s-title { font-weight: 800; font-size: 1.1rem; line-height: 1.25; }
.s-title small { display: block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--pink-text); margin-bottom: 4px; }
.mini { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 10px; }
.mini li { padding-left: 14px; border-left: 3px solid var(--pink); }
.mini a { color: var(--fg); text-decoration: none; font-weight: 700; }
.mini a:hover { color: var(--pink-text); text-decoration: underline; }
.mini span { display: block; color: var(--mute); font-size: 0.92rem; }
@media (min-width: 900px) {
  .sched-head, .row-s { display: grid; grid-template-columns: 8rem 8rem 8rem 1fr; gap: 20px; }
  .sched-head { padding: 12px 0; font-size: 0.72rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: var(--pink-text); border-bottom: 1px solid var(--line); }
  .times { display: contents; }
  .times span b { display: none; }
  .times span { font-size: 0.95rem; }
}

/* Presenters */
.panel { margin-bottom: 64px; }
.panel-head { display: flex; flex-direction: column; gap: 4px; margin-bottom: 20px; padding-bottom: 14px; border-bottom: 3px solid var(--pink); }
.panel-head h3 { font-size: clamp(1.3rem, 3.4vw, 1.9rem); }
.panel-head .eyebrow { margin: 0; }
.talks { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 820px) { .talks.n3 { grid-template-columns: repeat(3, 1fr); } }
.talk { text-align: left; font: inherit; color: var(--fg); background: var(--card); border: 2px solid var(--line); padding: 22px; cursor: pointer; display: flex; flex-direction: column; gap: 14px; transition: border-color 0.15s, transform 0.15s; }
.talk:hover { border-color: var(--pink); transform: translateY(-2px); }
.talk h4 { font-size: 1.15rem; font-weight: 800; line-height: 1.25; letter-spacing: -0.01em; }
.talk .by { color: var(--pink-text); font-weight: 700; margin: 0; }
.talk .more { margin-top: auto; font-weight: 800; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; }
.talk .more::after { content: " +"; color: var(--pink-text); }

dialog.abs { width: min(760px, 100% - 24px); max-height: 90vh; padding: 0; border: 3px solid var(--pink); background: var(--bg); color: var(--fg); overflow: auto; }
dialog.abs::backdrop { background: rgba(0,0,0,0.82); }
.abs-in { padding: 28px var(--gutter) 34px; }
.abs-in h3 { font-size: clamp(1.3rem, 4vw, 1.9rem); margin: 6px 0 12px; }
.abs-in .by { color: var(--pink-text); font-weight: 800; margin: 0 0 22px; }
.abs-in p { margin: 0 0 1em; }
.abs-in .bios-h { margin: 34px 0 6px; padding-top: 22px; border-top: 3px solid var(--pink); font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--pink-text); }
.abs-in .bio { color: var(--mute); font-size: 0.95rem; margin: 0 0 1.2em; }
.abs-in .bio .role { display: block; font-size: 0.7rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--pink-text); margin-bottom: 2px; }
.abs-in .bio strong { color: var(--fg); }
.abs-close { position: sticky; top: 0; float: right; margin: 10px; z-index: 2; }

/* CTA band */
.band { position: relative; isolation: isolate; padding: 120px 0; text-align: center; overflow: hidden; }
.band picture, .band img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.band::after { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(10,10,10,0.72); }
.band h2 { font-size: clamp(2.2rem, 8vw, 5rem); margin-bottom: 26px; }
.band h2 span { color: var(--pink-text); }

/* Footer */
footer { padding: 48px 0 60px; border-top: 1px solid var(--line); color: var(--mute); font-size: 0.92rem; }
footer .cols { display: grid; gap: 28px; }
@media (min-width: 820px) { footer .cols { grid-template-columns: 2fr 1fr 1fr; } }
footer h2 { font-size: 0.8rem; letter-spacing: 0.12em; color: var(--fg); margin-bottom: 10px; }
footer p { margin: 0 0 8px; }

footer .built { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; color: var(--mute); font-weight: 400; font-size: inherit; }
footer .built .heart { color: var(--mute); flex: none; width: 1.1em; height: 1.1em; }
footer .built a { display: inline-flex; line-height: 0; }
footer .built img { height: 28px; width: auto; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

/* Rounded corners on every boxed element */
.btn, .badge, .leaders li, .tz-cards div, .skip { border-radius: var(--radius); }
.btn.sm { border-radius: var(--radius); }
.zones, .does, .talk, dialog.abs { border-radius: var(--radius); overflow: hidden; }
dialog.abs { overflow: auto; }
.abs-close { border-radius: var(--radius); }
:focus-visible { border-radius: 4px; }
.talk:focus-visible, .btn:focus-visible { border-radius: var(--radius); }

/* Mobile and tablet tuning */
@media (max-width: 899px) {
  section { padding: 64px 0; }
  .hero { min-height: 0; }
  .hero .wrap { padding-top: 120px; }
  .band { padding: 88px 0; }
  .panel { margin-bottom: 48px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  section { padding: 52px 0; }
  .section-head { margin-bottom: 30px; }
  .btn.lg { display: block; width: 100%; padding: 16px 18px; font-size: 1rem; }
  .hero .cta-row .btn { width: 100%; }
  .hero h1 { max-width: none; }
  .zones span { font-size: 0.95rem; }
  .starts .row { grid-template-columns: 5.2rem 1fr; }
  .talk { padding: 18px; }
  .abs-in { padding-top: 14px; }
}

/* Theme toggle */
.hdr-actions { display: flex; align-items: center; gap: 10px; }
.theme-toggle { font: inherit; cursor: pointer; width: 40px; height: 40px; display: inline-grid; place-items: center; background: transparent; color: var(--fg); border: 2px solid var(--line); border-radius: var(--radius); }
.theme-toggle:hover { border-color: var(--pink); color: var(--pink-text); }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .i-sun { display: none; }
:root[data-theme="light"] .theme-toggle .i-sun { display: block; }
:root[data-theme="light"] .theme-toggle .i-moon { display: none; }

/* Mobile menu */
.nav-toggle { font: inherit; cursor: pointer; width: 40px; height: 40px; display: inline-grid; place-items: center; background: transparent; color: var(--fg); border: 2px solid var(--line); border-radius: var(--radius); }
.nav-toggle:hover { border-color: var(--pink); color: var(--pink-text); }
.nav-toggle svg { width: 22px; height: 22px; }
.nav-toggle path { transform-origin: 12px 12px; transition: transform 0.2s, opacity 0.2s; }
.nav-toggle[aria-expanded="true"] .b1 { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .b2 { opacity: 0; }
.nav-toggle[aria-expanded="true"] .b3 { transform: translateY(-5px) rotate(-45deg); }
@media (min-width: 700px) { .nav-toggle { display: none; } }
@media (max-width: 699px) {
  .nav { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--bg); border-bottom: 3px solid var(--pink); }
  .site-header.open .nav { display: flex; }
  .nav a { padding: 17px var(--gutter); border-top: 1px solid var(--line); font-size: 1rem; }
  .hdr-actions { gap: 8px; }
}
@media (max-width: 480px) {
  .brand { font-size: 1.05rem; }
  .site-header .wrap { gap: 8px; }
  .btn.sm { padding: 8px 12px; font-size: 0.78rem; }
  .theme-toggle, .nav-toggle { width: 38px; height: 38px; }
}