/* Hallmark · genre: editorial · macrostructure: Marquee Hero · theme: brand-locked (NACOS Week 2027 guidelines) · enrichment: none (typography only) · nav: N12 banner + sticky bar · footer: Ft1 mast-headed
 * tone: bold, energetic, institutional · anchor hue: brand green #089002
 * pre-emit critique: P4 H4 E4 S5 R4 V4
 */

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg, iframe { display: block; max-width: 100%; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-style: normal; line-height: 1.08; overflow-wrap: anywhere; min-width: 0; text-wrap: balance; }
a { color: inherit; }
abbr { text-decoration: none; font-size: 0.7em; letter-spacing: 0.04em; vertical-align: 0.15em; color: var(--color-ink-muted); }

:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }

.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 { position: absolute; left: var(--space-md); top: -4rem; z-index: 100; padding: var(--space-sm) var(--space-md); background: var(--color-ink); color: var(--color-paper); border-radius: var(--radius-sm); }
.skip:focus { top: var(--space-md); }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }

/* Dark surfaces flip the focus ring and placeholder colours */
.on-dark, .hero, .nav, .strip, .tracks, .hack, .register, .footer, .pillar--dark {
  --color-focus: var(--color-signal-soft);
  --ph-bg: var(--color-placeholder-night);
  --ph-fg: var(--color-on-night-muted);
  --ph-line: var(--color-night-rule);
}
:root {
  --color-focus: var(--brand-deep);
  --ph-bg: var(--color-placeholder);
  --ph-fg: var(--color-ink-muted);
  --ph-line: var(--color-rule);
}

/* ---------- Type helpers ---------- */
.h2 { font-size: var(--text-3xl); font-weight: 800; letter-spacing: -0.025em; }
.h3 { font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.01em; }
.lead { font-size: var(--text-lg); font-weight: 500; line-height: 1.5; max-width: var(--measure); color: var(--color-ink-muted); }
.link {
  color: var(--brand-deep);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.25em;
  text-decoration-color: var(--brand-soft);
  white-space: nowrap;
  transition: text-decoration-color var(--dur-short) var(--ease-out);
}
.link:hover { text-decoration-color: currentColor; }
.tag {
  display: inline-block;
  font-style: normal;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.15em 0.6em;
  border-radius: var(--radius-sm);
  background: var(--brand-deep);
  color: var(--brand-off);
  vertical-align: 0.15em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 3rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), transform 100ms var(--ease-out);
}
.btn:active { transform: translateY(1px); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn--signal { background: var(--brand-green); color: var(--brand-black); }
.btn--signal:hover { background: var(--brand-soft); }
.btn--ghost-night { border-color: var(--color-on-night-muted); color: var(--color-on-night); }
.btn--ghost-night:hover { background: var(--color-night-2); border-color: var(--color-on-night); }
.btn--deep { background: var(--brand-deep); color: var(--brand-off); }
.btn--deep:hover { background: var(--brand-black); }
.btn--outline { border-color: var(--brand-deep); color: var(--brand-deep); }
.btn--outline:hover { background: var(--brand-pale); }
.btn--night { background: var(--brand-black); color: var(--brand-off); }
.btn--night:hover { background: var(--brand-deep); }
.btn--ghost-ink { border-color: var(--brand-black); color: var(--brand-black); }
.btn--ghost-ink:hover { background: color-mix(in oklab, var(--brand-black) 10%, transparent); }

.btn[data-state="loading"] { cursor: progress; }
.btn[data-state="loading"] .btn__label::after {
  content: "";
  display: inline-block;
  width: 0.9em; height: 0.9em;
  margin-left: 0.6em;
  vertical-align: -0.1em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Placeholders ---------- */
.ph {
  position: relative;
  display: grid;
  place-content: center;
  gap: var(--space-2xs);
  min-height: 10rem;
  padding: var(--space-md);
  border: 1.5px dashed var(--ph-line);
  border-radius: var(--radius-md);
  background: var(--ph-bg);
  color: var(--ph-fg);
  text-align: center;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.ph__label { font-family: var(--font-display); font-weight: 700; font-size: var(--text-sm); }
.ph__path { font-size: var(--text-xs); font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; word-break: break-all; opacity: 0.85; }
.ph__spec { font-size: var(--text-xs); opacity: 0.75; }
.ph.is-loaded { border: 0; padding: 0; background: none; }
.ph > .ph__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; }
.ph.is-loaded > .ph__img { opacity: 1; }
.ph--tall { aspect-ratio: 4 / 5; }
.ph--square { aspect-ratio: 1; }
.ph--logo { aspect-ratio: 3 / 2; min-height: 0; border-radius: var(--radius-sm); }
.ph--logo .ph__spec { display: none; }
@media (max-width: 559px) { .ph--logo { aspect-ratio: auto; min-height: 7.5rem; } }
.ph--logo.is-loaded > img { object-fit: contain; padding: var(--space-lg); }
.ph--crest { width: 4.5rem; aspect-ratio: 1; min-height: 0; padding: var(--space-2xs); border-radius: 50%; }
.ph--crest .ph__path, .ph--crest .ph__spec { display: none; }
.ph--crest .ph__label { font-size: 0.625rem; line-height: 1.2; }
.ph--crest.is-loaded > img { object-fit: contain; }

[data-placeholder-text] { color: var(--color-ink-faint); font-weight: 600; }

/* ---------- Logo slot ---------- */
.logo-slot { display: inline-flex; align-items: center; }
.logo-slot img { height: 2.5rem; width: auto; }
.logo-slot--lg img { height: auto; width: min(22rem, calc(100vw - 2 * var(--gutter))); }
.wordmark { display: inline-flex; align-items: center; gap: 0.35em; font-family: var(--font-display); font-weight: 800; line-height: 0.86; letter-spacing: 0.01em; font-size: 1rem; }
.wordmark__stack { display: flex; flex-direction: column; }
.wordmark__a { color: var(--brand-green); }
.wordmark__b { color: var(--brand-pale); }
.wordmark__n { color: var(--brand-green); font-size: 2.05em; letter-spacing: -0.04em; }
.logo-slot--lg .wordmark { font-size: 1.6rem; }

/* ---------- Strip + Nav ---------- */
.strip { background: var(--brand-deep); color: var(--brand-off); font-size: var(--text-sm); }
.strip__inner { display: flex; flex-wrap: wrap; gap: var(--space-2xs) var(--space-md); align-items: center; justify-content: center; padding-block: var(--space-xs); text-align: center; }
.strip__link { color: var(--brand-off); font-weight: 600; text-underline-offset: 0.2em; white-space: nowrap; }

.nav { position: sticky; top: 0; z-index: 50; background: var(--brand-black); color: var(--color-on-night); border-bottom: 1px solid transparent; transition: border-color var(--dur-short) var(--ease-out); }
.nav.is-scrolled { border-bottom-color: var(--color-night-rule); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); min-height: 4.25rem; }
.brand { text-decoration: none; flex: none; }
.nav__links { display: flex; align-items: center; gap: var(--space-lg); }
.nav__links a:not(.btn) { color: var(--color-on-night-muted); text-decoration: none; font-family: var(--font-display); font-weight: 600; font-size: var(--text-sm); white-space: nowrap; transition: color var(--dur-short) var(--ease-out); }
.nav__links a:not(.btn):hover, .nav__links a[aria-current="true"] { color: var(--color-on-night); }
.nav__cta { min-height: 2.5rem; padding: 0.5rem 1.125rem; }
.nav__toggle { display: none; width: 2.75rem; height: 2.75rem; border: 1px solid var(--color-night-rule); border-radius: var(--radius-sm); background: none; color: var(--color-on-night); cursor: pointer; }
.nav__toggle-bars, .nav__toggle-bars::before, .nav__toggle-bars::after { display: block; width: 1.125rem; height: 2px; margin-inline: auto; background: currentColor; transition: transform var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out); }
.nav__toggle-bars { position: relative; }
.nav__toggle-bars::before, .nav__toggle-bars::after { content: ""; position: absolute; left: 0; }
.nav__toggle-bars::before { transform: translateY(-6px); }
.nav__toggle-bars::after { transform: translateY(6px); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bars { background: transparent; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bars::before { transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bars::after { transform: rotate(-45deg); }

@media (max-width: 860px) {
  .nav__toggle { display: grid; place-content: center; }
  .nav__links {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: var(--space-xs) var(--gutter) var(--space-lg);
    background: var(--brand-black);
    border-bottom: 1px solid var(--color-night-rule);
    display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav__links a:not(.btn) { padding: var(--space-sm) 0; font-size: var(--text-base); border-bottom: 1px solid var(--color-night-rule); }
  .nav__cta { margin-top: var(--space-md); min-height: 3rem; }
}

/* ---------- Hero ---------- */
.hero { position: relative; isolation: isolate; overflow: hidden; background: var(--brand-black); color: var(--color-on-night); padding-block: clamp(6rem, 14vw, 11rem); }
.hero__bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: center 35%; filter: saturate(1.15) contrast(1.08); }
/* Scrim: dark only behind the type on the left; the right of the photo keeps its full colour */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, var(--hero-scrim-strong) 0%, var(--hero-scrim-mid) 38%, var(--hero-scrim-light) 68%, var(--hero-scrim-clear) 100%),
    linear-gradient(0deg, var(--hero-scrim-mid) 0%, transparent 35%);
}
.hero__inner { position: relative; }
@media (max-width: 700px) {
  .hero::before { background: linear-gradient(0deg, var(--hero-scrim-strong) 15%, var(--hero-scrim-mid) 100%); }
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs) var(--space-lg);
  margin-top: var(--space-xl);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.3;
}
.hero__when { color: var(--color-signal-on-dark); white-space: nowrap; }
.hero__where { color: var(--color-on-night); }
.hero__when::after { content: ""; display: inline-block; width: 1px; height: 1.1em; margin-left: var(--space-lg); vertical-align: -0.2em; background: var(--color-on-night-muted); }
@media (max-width: 559px) { .hero__when::after { display: none; } }
.hero__title {
  font-size: clamp(2.5rem, 12vw, 10.5rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.92;
  color: var(--brand-off);
}
.hero__dot { color: var(--brand-green); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-2xl); }

.countdown { margin-top: var(--space-xl); }
.countdown__label { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-on-night-muted); font-family: var(--font-display); font-weight: 700; }
.countdown__units { display: flex; gap: var(--space-lg); margin-top: var(--space-xs); }
.countdown__units li { display: flex; flex-direction: column; font-size: var(--text-xs); color: var(--color-on-night-muted); }
.countdown__units span { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 800; color: var(--color-on-night); font-variant-numeric: tabular-nums; line-height: 1; }

/* ---------- Ticker ---------- */
.ticker { background: var(--brand-green); color: var(--brand-black); overflow: hidden; border-block: 1px solid var(--brand-black); }
.ticker__track { display: flex; width: max-content; animation: ticker 48s linear infinite; }
.ticker__track span { display: inline-flex; align-items: center; padding: var(--space-sm) 0; font-family: var(--font-display); font-weight: 800; font-size: var(--text-xl); text-transform: uppercase; letter-spacing: 0.02em; white-space: nowrap; }
.ticker__track span::after { content: ""; width: 0.45em; height: 0.45em; margin-inline: 1.1em; background: var(--brand-black); border-radius: 2px; transform: rotate(45deg); }
@keyframes ticker { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker__track { animation: none; } }

/* ---------- Sections ---------- */
.section { padding-block: var(--space-4xl); }
@media (max-width: 640px) { .section { padding-block: var(--space-3xl); } }
.section__head { display: grid; gap: var(--space-md); margin-bottom: var(--space-2xl); }
@media (min-width: 960px) {
  .section__head--split { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); align-items: end; gap: var(--space-2xl); }
}

/* About */
.about__grid { display: grid; gap: var(--space-2xl); }
@media (min-width: 900px) { .about__grid { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); align-items: center; gap: var(--space-3xl); } }
.about__text { display: grid; gap: var(--space-lg); }
.about__text > p:not(.lead) { max-width: var(--measure); }
.dept-list { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.dept-list li { padding: 0.35rem 0.85rem; border: 1px solid var(--color-rule); border-radius: var(--radius-pill); font-size: var(--text-sm); font-weight: 500; background: var(--brand-pale); color: var(--brand-deep); }

/* Numbers */
.numbers { background: var(--brand-pale); padding-block: var(--space-3xl); border-block: var(--rule); }
.numbers__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-md); }
@media (min-width: 480px) { .numbers__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1240px) { .numbers__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.numbers__grid li {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-xl);
  min-height: 10rem;
  padding: var(--space-xl) var(--space-lg);
  overflow: hidden;
  background: var(--brand-off);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
}
@media (max-width: 479px) { .numbers__grid li { min-height: 0; gap: var(--space-md); padding: var(--space-lg); } }
.numbers__grid li:last-child { background: var(--brand-deep); border-color: var(--brand-deep); }
.numbers__grid li:last-child .numbers__n { color: var(--brand-off); }
.numbers__grid li:last-child .numbers__l { color: var(--color-on-forest-muted); }
.numbers__grid li:last-child .numbers__plus { color: var(--color-signal-on-dark); }
.numbers__n { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.5rem, 1.75rem + 1.8vw, 3.25rem); line-height: 0.95; letter-spacing: -0.04em; color: var(--brand-deep); font-variant-numeric: tabular-nums; white-space: nowrap; }
.numbers__plus { color: var(--brand-green); }
.numbers__title { margin-bottom: var(--space-xl); font-size: var(--text-xl); font-weight: 800; letter-spacing: -0.01em; color: var(--brand-deep); }
.numbers__l { font-weight: 500; color: var(--color-ink-muted); }

/* Tracks */
.tracks { background: var(--brand-deep); color: var(--brand-off); }
.tracks .lead { color: var(--color-on-forest-muted); }
.tracks__list { display: grid; grid-template-columns: minmax(0, 1fr); border-top: 1px solid var(--color-forest-rule); }
@media (min-width: 640px) { .tracks__list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1040px) { .tracks__list { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.track { display: grid; align-content: start; gap: var(--space-sm); padding: var(--space-xl) var(--space-lg) var(--space-xl) 0; border-bottom: 1px solid var(--color-forest-rule); }
@media (min-width: 640px) {
  .track { padding-left: var(--space-lg); border-left: 1px solid var(--color-forest-rule); }
  .track:nth-child(2n+1) { border-left: 0; padding-left: 0; }
}
@media (min-width: 1040px) {
  .track:nth-child(2n+1) { border-left: 1px solid var(--color-forest-rule); padding-left: var(--space-lg); }
  .track:first-child { border-left: 0; padding-left: 0; }
}
.track__n { font-family: var(--font-display); font-weight: 700; font-size: var(--text-sm); color: var(--brand-soft); font-variant-numeric: tabular-nums; }
.track__name { font-size: var(--text-2xl); font-weight: 800; letter-spacing: -0.02em; }
.track p { color: var(--color-on-forest-muted); max-width: 30ch; }
.tracks__note { margin-top: var(--space-xl); font-size: var(--text-sm); color: var(--color-on-forest-muted); }

/* Programme */
.pillars { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-2xl) var(--space-xl); }
@media (min-width: 700px) { .pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1040px) { .pillars { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.pillar { display: grid; align-content: start; gap: var(--space-md); }
.pillar__body { display: grid; gap: var(--space-xs); }
.pillar__body > p:not(.pillar__when):not(.pillar__sub) { color: var(--color-ink-muted); max-width: 46ch; }
.pillar__when { font-family: var(--font-display); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand-green); }
.pillar__name { font-size: var(--text-xl); font-weight: 800; letter-spacing: -0.015em; }
.pillar__sub { font-weight: 600; color: var(--brand-deep); }
.pillar .link { margin-top: var(--space-xs); justify-self: start; }
.pillar--feature .pillar__name { font-size: var(--text-2xl); }
@media (min-width: 700px) { .pillar--feature { grid-column: span 2; } }
@media (min-width: 1040px) {
  .pillar--feature { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); align-items: end; gap: var(--space-xl); }
}
.pillar--dark { background: var(--brand-black); color: var(--color-on-night); padding: var(--space-lg); border-radius: var(--radius-lg); }
.pillar--dark .pillar__body > p:not(.pillar__when) { color: var(--color-on-night-muted); }
.pillar--dark .pillar__when { color: var(--brand-soft); }
.pillar__venue span { color: var(--color-on-night); font-weight: 600; }

/* Hackathon */
.hack { background: var(--brand-black); color: var(--color-on-night); }
.hack .lead { color: var(--color-on-night-muted); }
.hack__grid { display: grid; gap: var(--space-3xl); }
@media (min-width: 960px) {
  .hack__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: var(--space-4xl); }
  .hack__intro { position: sticky; top: 6.5rem; align-self: start; }
}
.hack__intro { display: grid; gap: var(--space-lg); }
.hack__intro .h2 { color: var(--brand-green); }
.facts { display: grid; border-top: var(--rule-night); }
.facts li { display: grid; grid-template-columns: 6rem minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-sm); border-bottom: var(--rule-night); }
.facts strong { font-family: var(--font-display); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--brand-soft); padding-top: 0.25em; }
.hack__actions { margin-top: var(--space-xs); }

.steps { counter-reset: step; display: grid; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 3.5rem minmax(0, 1fr); column-gap: var(--space-md); padding-block: var(--space-lg); border-bottom: var(--rule-night); }
.steps li:first-child { padding-top: 0; }
.steps li::before { content: counter(step, decimal-leading-zero); grid-row: span 2; font-family: var(--font-display); font-weight: 800; font-size: var(--text-2xl); line-height: 1; color: var(--brand-green); font-variant-numeric: tabular-nums; }
.steps h3 { font-size: var(--text-lg); font-weight: 700; }
.steps p { color: var(--color-on-night-muted); margin-top: var(--space-2xs); }

/* People */
.people { display: grid; gap: var(--space-xl) var(--space-lg); grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 900px) { .people { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.person { display: grid; align-content: start; gap: var(--space-2xs); }
.person__photo { margin-bottom: var(--space-sm); min-height: 0; }
.person__name { font-size: var(--text-lg); font-weight: 700; letter-spacing: -0.01em; }
.person__track { font-family: var(--font-display); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand-green); }
.person__role { font-size: var(--text-sm); color: var(--color-ink-muted); }
.speakers .person__name { color: var(--color-ink-faint); }
.speakers__ask { margin-top: var(--space-2xl); padding-top: var(--space-lg); border-top: var(--rule); color: var(--color-ink-muted); }
.team { border-top: var(--rule); }

/* Partner */
.partner { background: var(--brand-pale); }
.outcomes { display: grid; gap: var(--space-xl); grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: var(--space-3xl); }
@media (min-width: 960px) { .outcomes { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.outcomes li { padding-top: var(--space-md); border-top: 2px solid var(--brand-green); }
.outcomes h3 { font-size: var(--text-lg); font-weight: 800; }
.outcomes p { margin-top: var(--space-2xs); font-size: var(--text-sm); color: var(--color-ink-muted); }

.tiers-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-sm) var(--space-xl); margin-bottom: var(--space-lg); }
.notice { font-size: var(--text-sm); font-weight: 500; color: var(--brand-deep); padding: var(--space-xs) var(--space-md); border: 1px solid var(--brand-soft); border-radius: var(--radius-sm); background: var(--brand-off); max-width: 60ch; }

.tiers { display: grid; border-top: 2px solid var(--brand-deep); }
.tier { display: grid; gap: var(--space-sm) var(--space-xl); padding: var(--space-lg) 0; border-bottom: var(--rule); }
@media (min-width: 900px) {
  .tier { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr) 6rem; align-items: start; }
}
.tier__name { font-size: var(--text-xl); font-weight: 800; letter-spacing: -0.015em; }
.tier__owns { margin-top: var(--space-2xs); color: var(--color-ink-muted); font-size: var(--text-sm); max-width: 44ch; }
.tier__price { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; color: var(--brand-deep); }
.tier__bar { height: 0.625rem; margin-top: var(--space-xs); border-radius: var(--radius-pill); background: color-mix(in oklab, var(--brand-deep) 10%, transparent); overflow: hidden; }
.tier__bar span { display: block; height: 100%; width: var(--w, 0%); background: var(--brand-green); border-radius: inherit; }
.tier__perks { display: flex; flex-wrap: wrap; gap: var(--space-2xs) var(--space-md); margin-top: var(--space-sm); font-size: var(--text-sm); color: var(--color-ink); }
.tier__perks li { display: inline-flex; align-items: baseline; gap: 0.5em; }
.tier__perks li::before { content: ""; flex: none; width: 0.45em; height: 0.45em; background: var(--brand-green); border-radius: 1px; transform: translateY(-0.1em) rotate(45deg); }
.tier__slots { font-size: var(--text-sm); color: var(--color-ink-muted); }
.tier__slots strong { display: block; font-family: var(--font-display); font-size: var(--text-xl); font-weight: 800; color: var(--color-ink); font-variant-numeric: tabular-nums; line-height: 1.1; }
@media (max-width: 899px) { .tier__slots strong { display: inline; margin-right: 0.3em; font-size: var(--text-base); } }
@media (min-width: 900px) { .tier__slots { text-align: right; } }
.tier--title { background: var(--brand-deep); color: var(--brand-off); padding-inline: var(--space-lg); border-radius: var(--radius-md); border-bottom: 0; margin-block: var(--space-sm); --color-focus: var(--brand-soft); }
.tier--title .tier__owns, .tier--title .tier__slots { color: var(--color-on-forest-muted); }
.tier--title .tier__price, .tier--title .tier__slots strong, .tier--title .tier__perks { color: var(--brand-off); }
.tier--title .tier__bar { background: var(--color-forest-rule); }

.partner__foot { display: grid; gap: var(--space-xl); margin-top: var(--space-2xl); }
@media (min-width: 900px) { .partner__foot { grid-template-columns: minmax(0, 1.6fr) auto; align-items: start; } }
.partner__terms { display: grid; gap: var(--space-sm); font-size: var(--text-sm); color: var(--color-ink-muted); max-width: 70ch; }
.partner__terms strong { color: var(--color-ink); }
.partner__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }

.sponsor-wall { margin-top: var(--space-3xl); padding-top: var(--space-xl); border-top: var(--rule); }
.sponsor-wall__title { font-size: var(--text-lg); font-weight: 800; margin-bottom: var(--space-lg); }
.sponsor-wall__grid { display: grid; gap: var(--space-md); grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 900px) { .sponsor-wall__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.sponsor-wall__note { margin-top: var(--space-md); font-size: var(--text-sm); color: var(--color-ink-muted); }

/* Register */
.register { background: var(--brand-deep); color: var(--brand-off); }
.register .lead { color: var(--color-on-forest-muted); }
.register__grid { display: grid; gap: var(--space-2xl); }
@media (min-width: 960px) { .register__grid { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: var(--space-4xl); align-items: start; } }
.register__intro { display: grid; gap: var(--space-lg); }
.register__small { font-size: var(--text-sm); color: var(--color-on-forest-muted); }

.form { display: grid; gap: var(--space-lg); padding: clamp(1.25rem, 3vw, 2.5rem); background: var(--brand-off); color: var(--brand-black); border-radius: var(--radius-lg); --color-focus: var(--brand-deep); }
.field-row { display: grid; gap: var(--space-lg); }
@media (min-width: 560px) { .field-row { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.field { display: grid; gap: var(--space-xs); min-width: 0; border: 0; padding: 0; margin: 0; }
.field label, .field legend { font-family: var(--font-display); font-weight: 700; font-size: var(--text-sm); padding: 0; }
.field legend { margin-bottom: var(--space-xs); }
.field input, .field select {
  width: 100%;
  min-height: 3rem;
  padding: 0.65rem 0.9rem;
  font: inherit;
  font-size: 1rem;
  color: var(--brand-black);
  background: var(--brand-off);
  border: 1.5px solid color-mix(in oklab, var(--brand-black) 30%, var(--brand-off));
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-short) var(--ease-out);
}
.field input:hover, .field select:hover { border-color: var(--brand-deep); }
.field input:focus-visible, .field select:focus-visible { outline: 3px solid var(--brand-soft); outline-offset: 0; border-color: var(--brand-deep); }
.field input[aria-invalid="true"], .field select[aria-invalid="true"] { border-color: var(--color-error); }
.field input:disabled, .field select:disabled { opacity: 0.55; cursor: not-allowed; }
.field__error { font-size: var(--text-sm); color: var(--color-error); font-weight: 500; }

.chips { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.chip { position: relative; cursor: pointer; }
.chip input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.chip span { display: inline-flex; align-items: center; min-height: 2.5rem; padding: 0.4rem 0.95rem; border: 1.5px solid color-mix(in oklab, var(--brand-black) 25%, var(--brand-off)); border-radius: var(--radius-pill); font-size: var(--text-sm); font-weight: 500; white-space: nowrap; transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out); }
.chip:hover span { border-color: var(--brand-deep); }
.chip input:checked + span { background: var(--brand-deep); border-color: var(--brand-deep); color: var(--brand-off); }
.chip input:focus-visible + span { outline: 3px solid var(--brand-deep); outline-offset: 2px; }

.consent { display: grid; gap: var(--space-sm); padding-top: var(--space-md); border-top: var(--rule); }
.check { display: grid; grid-template-columns: 1.25rem minmax(0, 1fr); gap: var(--space-sm); align-items: start; font-size: var(--text-sm); cursor: pointer; }
.check input { width: 1.25rem; height: 1.25rem; margin: 0.15rem 0 0; accent-color: var(--brand-deep); cursor: pointer; }
.form__submit { justify-self: start; min-width: 10rem; }
.form__status { font-size: var(--text-sm); font-weight: 500; min-height: 1.5em; }
.form__status[data-tone="ok"] { color: var(--brand-deep); }
.form__status[data-tone="error"] { color: var(--color-error); }

/* Venue */
.venue { background: var(--brand-pale); }
.venue__grid { display: grid; gap: var(--space-2xl); }
@media (min-width: 960px) { .venue__grid { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); align-items: center; gap: var(--space-3xl); } }
.venue__text { display: grid; gap: var(--space-md); }
.venue__text > p { max-width: var(--measure); color: var(--color-ink-muted); }
.venue__text > .venue__place { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 800; line-height: 1.2; color: var(--brand-deep); }
.venue__text .link { justify-self: start; }
.venue__map { border-radius: var(--radius-lg); overflow: hidden; border: var(--rule); background: var(--color-placeholder); }
.venue__map iframe { width: 100%; height: clamp(18rem, 40vw, 28rem); border: 0; }

/* FAQ */
.faq__grid { display: grid; gap: var(--space-2xl); }
@media (min-width: 960px) {
  .faq__grid { grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); gap: var(--space-3xl); }
  .faq__grid .h2 { position: sticky; top: 6.5rem; align-self: start; }
}
.faq__list { border-top: 2px solid var(--brand-deep); }
.faq__list details { border-bottom: var(--rule); }
.faq__list summary { display: flex; justify-content: space-between; gap: var(--space-lg); padding-block: var(--space-lg); cursor: pointer; list-style: none; font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; line-height: 1.3; }
.faq__list summary::-webkit-details-marker { display: none; }
.faq__list summary::after { content: ""; flex: none; width: 0.85rem; height: 0.85rem; margin-top: 0.35em; background: linear-gradient(var(--brand-deep), var(--brand-deep)) center / 100% 2px no-repeat, linear-gradient(var(--brand-deep), var(--brand-deep)) center / 2px 100% no-repeat; transition: transform var(--dur-short) var(--ease-out); }
.faq__list details[open] summary::after { transform: rotate(45deg); }
.faq__list summary:hover { color: var(--brand-deep); }
.faq__list details p { padding-bottom: var(--space-lg); max-width: var(--measure); color: var(--color-ink-muted); }

/* Closer */
.closer { background: var(--brand-green); color: var(--brand-black); padding-block: var(--space-4xl); --color-focus: var(--brand-black); }
.closer__inner { display: grid; gap: var(--space-xl); }
.closer__title { font-size: clamp(2.25rem, 1rem + 5vw, 5.5rem); font-weight: 800; letter-spacing: -0.035em; line-height: 0.98; max-width: 16ch; }
.closer__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.closer .btn--signal { background: var(--brand-black); color: var(--brand-off); }
.closer .btn--signal:hover { background: var(--brand-deep); }
.closer .btn--ghost-night { border-color: var(--brand-black); color: var(--brand-black); }
.closer .btn--ghost-night:hover { background: color-mix(in oklab, var(--brand-black) 10%, transparent); }


/* Not-yet-open action: readable, clearly inactive, no hover */
.btn.btn--soon { opacity: 1; cursor: default; background: transparent; border: 1.5px solid var(--color-signal-on-dark); color: var(--color-signal-on-dark); }
.btn.btn--soon:active { transform: none; }

/* Unrevealed speaker: blurred silhouette until the real photo exists at data-src */
.ph--mystery {
  border: 0;
  padding: 0;
  place-content: end center;
  background:
    radial-gradient(120% 90% at 50% 0%, var(--color-mystery-glow) 0%, transparent 60%),
    linear-gradient(160deg, var(--brand-deep) 0%, var(--brand-black) 100%);
}
.ph--mystery::before,
.ph--mystery::after {
  content: "";
  position: absolute;
  left: 50%;
  background: var(--color-mystery-figure);
  filter: blur(14px);
  opacity: 0.7;
  transform: translateX(-50%);
}
.ph--mystery::before { top: 22%; width: 34%; aspect-ratio: 1; border-radius: 50%; }
.ph--mystery::after { bottom: -12%; width: 80%; height: 46%; border-radius: 50% 50% 0 0; }
.ph--mystery .ph__path, .ph--mystery .ph__spec { display: none; }
.ph--mystery .ph__label {
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-md);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-pill);
  background: var(--color-mystery-tag);
  color: var(--brand-off);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
  white-space: nowrap;
}
.ph--mystery.is-loaded::before, .ph--mystery.is-loaded::after { display: none; }
.ph--mystery > .ph__img { z-index: 2; }
.people--speakers .person:nth-child(2) .ph--mystery::before { top: 20%; width: 31%; }
.people--speakers .person:nth-child(3) .ph--mystery::before { top: 24%; width: 36%; }
.people--speakers .person:nth-child(4) .ph--mystery::after { width: 70%; }
@media (max-width: 559px) { .ph--mystery .ph__label { margin-bottom: var(--space-sm); padding: 0.25rem 0.6rem; font-size: 0.6875rem; letter-spacing: 0.04em; } }

/* Unrevealed partner: blurred mark + wordmark until the real logo exists at data-src */
.sponsor-slot { display: grid; gap: var(--space-xs); }
.ph--mystery-logo {
  border: 0;
  padding: 0;
  place-content: end center;
  background:
    radial-gradient(110% 90% at 50% 0%, var(--color-mystery-glow) 0%, transparent 60%),
    linear-gradient(160deg, var(--brand-deep) 0%, var(--brand-black) 100%);
}
.ph--mystery-logo::before,
.ph--mystery-logo::after {
  content: "";
  position: absolute;
  top: 38%;
  background: var(--color-mystery-figure);
  filter: blur(10px);
  opacity: 0.7;
  transform: translateY(-50%);
}
.ph--mystery-logo::before { left: 20%; width: 18%; aspect-ratio: 1; border-radius: 30%; }
.ph--mystery-logo::after { left: 42%; width: 40%; height: 14%; border-radius: var(--radius-pill); }
.ph--mystery-logo .ph__path, .ph--mystery-logo .ph__spec { display: none; }
.ph--mystery-logo .ph__label {
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-md);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-pill);
  background: var(--color-mystery-tag);
  color: var(--brand-off);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}
.ph--mystery-logo.is-loaded { background: var(--brand-off); border: 1px solid var(--color-rule); }
.ph--mystery-logo.is-loaded::before, .ph--mystery-logo.is-loaded::after { display: none; }
.ph--mystery-logo > .ph__img { z-index: 2; }
.sponsor-slot:nth-child(2) .ph--mystery-logo::before { border-radius: 50%; }
.sponsor-slot:nth-child(2) .ph--mystery-logo::after { width: 34%; }
.sponsor-slot:nth-child(3) .ph--mystery-logo::before { left: 26%; width: 48%; height: 16%; aspect-ratio: auto; border-radius: var(--radius-pill); }
.sponsor-slot:nth-child(3) .ph--mystery-logo::after { left: 36%; top: 52%; width: 28%; height: 9%; }
.sponsor-slot:nth-child(4) .ph--mystery-logo::before { border-radius: 4px; transform: translateY(-50%) rotate(45deg); width: 14%; }
@media (max-width: 559px) { .ph--mystery-logo .ph__label { margin-bottom: var(--space-sm); padding: 0.25rem 0.6rem; font-size: 0.6875rem; letter-spacing: 0.04em; } }


/* Past sponsors: dark band, light panel of drifting logo rows */
.past { background: var(--brand-black); color: var(--color-on-night); }
.past__kicker { font-family: var(--font-display); font-size: var(--text-xs); font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-signal-on-dark); }
.past__title { margin-top: var(--space-sm); max-width: 24ch; font-size: var(--text-3xl); font-weight: 800; letter-spacing: -0.025em; color: var(--color-signal-on-dark); }
.past__panel {
  display: grid;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  padding-block: var(--space-xl);
  border-radius: var(--radius-lg);
  background: var(--brand-off);
  overflow: hidden;
}
.past__row {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
          mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
}
.past__row + .past__row { padding-top: var(--space-lg); border-top: var(--rule); }
.past__track { display: flex; align-items: center; gap: var(--space-2xl); width: max-content; padding-inline: var(--space-lg); animation: past-drift var(--past-dur, 40s) linear infinite; }
.past__row--reverse .past__track { animation-direction: reverse; }
.past__panel:hover .past__track { animation-play-state: paused; }
.past__logo { flex: none; display: flex; align-items: center; justify-content: center; height: 4.5rem; }
.past__logo img { display: block; height: 4.5rem; width: auto; max-width: 13rem; object-fit: contain; border-radius: 6px; }
.past__logo--dark { padding-inline: 1.25rem; border-radius: var(--radius-sm); background: var(--brand-black); }
.past__logo--dark img { height: 2.75rem; border-radius: 0; }
.past__logo--empty {
  width: 9rem;
  border: 1.5px dashed var(--color-rule);
  border-radius: var(--radius-sm);
  background: var(--color-placeholder);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
}
@keyframes past-drift { to { transform: translateX(-50%); } }
@media (max-width: 559px) {
  .past__track { gap: var(--space-xl); }
  .past__logo, .past__logo img { height: 3.25rem; }
  .past__logo--dark img { height: 2rem; }
  .past__logo--empty { width: 6.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  .past__track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; }
  .past__track > .past__logo--echo { display: none; }
  .past__row { -webkit-mask-image: none; mask-image: none; }
}

/* Footer */
.footer { position: relative; background: var(--brand-black); color: var(--color-on-night); padding-block: var(--space-4xl) var(--space-lg); border-top: 4px solid var(--brand-green); }
.footer__top { display: grid; gap: var(--space-3xl); padding-bottom: var(--space-3xl); border-bottom: var(--rule-night); }
@media (min-width: 900px) { .footer__top { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: start; } }
.footer__brand { display: grid; gap: var(--space-md); justify-items: start; }
.footer__brand .logo-slot--lg .wordmark { font-size: 2.4rem; }
.footer__tag { margin-top: var(--space-xs); font-family: var(--font-display); font-size: var(--text-xl); font-weight: 800; letter-spacing: -0.01em; color: var(--color-signal-on-dark); }
.footer__org { color: var(--color-on-night-muted); max-width: 48ch; font-size: var(--text-sm); }
.footer__h { font-size: var(--text-xs); font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-on-night-muted); margin-bottom: var(--space-lg); }
.footer__direct { display: grid; gap: var(--space-sm); }
.footer__line { display: inline-flex; align-items: center; gap: var(--space-sm); justify-self: start; font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: var(--color-on-night); text-decoration: none; overflow-wrap: anywhere; min-width: 0; transition: color var(--dur-short) var(--ease-out); }
.footer__line:hover { color: var(--color-signal-on-dark); }
.footer__line-icon { display: grid; place-items: center; flex: none; width: 2.5rem; height: 2.5rem; border-radius: 50%; background: var(--color-night-2); color: var(--color-signal-on-dark); }
.footer__line-icon svg { width: 1.1rem; height: 1.1rem; }
.footer__social { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm); margin-top: var(--space-xl); }
.footer__icon { display: grid; place-items: center; width: 3rem; height: 3rem; border-radius: 50%; border: 1px solid var(--color-night-rule); color: var(--color-on-night); transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out); }
.footer__icon svg { width: 1.25rem; height: 1.25rem; }
.footer__icon:hover { background: var(--brand-green); border-color: var(--brand-green); color: var(--brand-black); }
.footer__handle { margin-left: var(--space-xs); font-size: var(--text-sm); color: var(--color-on-night-muted); }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--space-md); padding-top: var(--space-lg); font-size: var(--text-xs); color: var(--color-on-night-muted); }
.footer__nav { display: flex; flex-wrap: wrap; gap: var(--space-md) var(--space-lg); }
.footer__nav a { color: inherit; text-decoration: none; white-space: nowrap; }
.footer__nav a:hover { color: var(--color-on-night); }
@media (max-width: 479px) { .footer__line { font-size: var(--text-base); } }

/* Archive carousel */
.carousel { position: relative; }
.carousel__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100%;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  border-radius: var(--radius-lg);
  background: var(--brand-black);
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__slide { scroll-snap-align: start; aspect-ratio: 16 / 9; overflow: hidden; }
.carousel__slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.carousel__slide--contain img { object-fit: contain; }
@media (max-width: 639px) { .carousel__slide { aspect-ratio: 4 / 3; } }
.carousel__controls { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); margin-top: var(--space-md); }
.carousel__btn { display: grid; place-items: center; width: 3rem; height: 3rem; border: 1px solid var(--color-rule); border-radius: 50%; background: var(--brand-off); color: var(--brand-deep); cursor: pointer; transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out); }
.carousel__btn svg { width: 1.25rem; height: 1.25rem; fill: none; stroke: currentColor; stroke-width: 2.25; stroke-linecap: round; stroke-linejoin: round; }
.carousel__btn:hover { background: var(--brand-deep); color: var(--brand-off); }
.carousel__btn:active { transform: translateY(1px); }
.carousel__dots { display: flex; gap: var(--space-xs); }
.carousel__dot { width: 0.6rem; height: 0.6rem; padding: 0; border: 0; border-radius: var(--radius-pill); background: var(--color-rule); cursor: pointer; transition: width var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out); }
.carousel__dot[aria-current="true"] { width: 1.75rem; background: var(--brand-green); }
.carousel__track:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }

/* ---------- Phones: most visitors arrive here ---------- */

@media (max-width: 700px) {
  /* Announcement strip on two lines, not three */
  .strip__inner { display: block; }
  .strip__inner p { display: inline; }
  .strip__link { margin-left: 0.35em; }

  /* Hero fills the first screen, type sits low where the thumb is */
  .hero { display: flex; align-items: flex-end; min-height: calc(100svh - 7.5rem); padding-block: var(--space-3xl) var(--space-2xl); }
  .hero__inner { width: 100%; }
  .hero__bg { object-position: center 30%; }
  .hero__meta { margin-top: var(--space-lg); font-size: var(--text-base); }
  .hero__actions { margin-top: var(--space-xl); }
}

@media (max-width: 479px) {
  /* Paired buttons share the row evenly */
  .hero__actions .btn, .closer__actions .btn, .partner__actions .btn { flex: 1 1 auto; padding-inline: var(--space-md); }
  .form__submit { justify-self: stretch; }
  .person__name { font-size: var(--text-base); }
  .person__role { font-size: 0.8125rem; }
  .people { gap: var(--space-lg) var(--space-md); }
  .ticker__track span { font-size: var(--text-lg); }
}

/* Touch screens: every tap target at least 44px tall */
@media (pointer: coarse) {
  .link, .strip__link, .footer__nav a { display: inline-block; padding-block: 0.7rem; }
  .strip__link { padding-block: 0.6rem; margin-block: -0.6rem; }
  .footer__nav { gap: 0 var(--space-lg); }
  .check input { width: 1.375rem; height: 1.375rem; }
  .check { grid-template-columns: 1.375rem minmax(0, 1fr); padding-block: var(--space-2xs); }
  .faq__list summary { padding-block: var(--space-md); }
}

/* Carousel dots: small to look at, big to tap */
.carousel__dots { gap: 0; }
.carousel__dot { position: relative; width: 1.5rem; height: 2.75rem; background: none; }
.carousel__dot::before { content: ""; position: absolute; left: 50%; top: 50%; width: 0.6rem; height: 0.6rem; border-radius: var(--radius-pill); background: var(--color-rule); transform: translate(-50%, -50%); transition: width var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out); }
.carousel__dot[aria-current="true"] { width: 2.5rem; background: none; }
.carousel__dot[aria-current="true"]::before { width: 1.75rem; background: var(--brand-green); }
.carousel__dot:focus-visible { outline-offset: -4px; }
@media (max-width: 700px) {
  /* Lighter scrim on the portrait crop: dark only where the type sits */
  .hero::before { background: linear-gradient(0deg, var(--hero-scrim-strong) 12%, var(--hero-scrim-mid) 45%, var(--hero-scrim-light) 78%, var(--hero-scrim-mid) 100%); }
}

/* ---------- Phones: shorter page ---------- */
/* Long stacks become swipe rows; spacing tightens. Desktop is untouched. */
@media (max-width: 699px) {
  .section { padding-block: 3rem; }
  .section__head { margin-bottom: var(--space-xl); gap: var(--space-sm); }
  .h2 { font-size: clamp(1.875rem, 1.2rem + 3.2vw, 2.25rem); }
  .lead { font-size: var(--text-base); }

  /* Swipe rows: the next card peeks in so it reads as scrollable */
  .pillars, .tiers {
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 84%;
    gap: var(--space-md);
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    scroll-padding-inline: var(--gutter);
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }
  .pillars::-webkit-scrollbar, .tiers::-webkit-scrollbar { display: none; }
  .pillars > *, .tiers > * { scroll-snap-align: start; }

  /* About: landscape photo instead of a tall portrait */
  .about__grid { gap: var(--space-xl); }
  .about__photo { aspect-ratio: 4 / 3; }

  /* Numbers: 2 x 2 */
  .numbers { padding-block: 2.5rem; }
  .numbers__title { margin-bottom: var(--space-md); font-size: var(--text-lg); }
  .numbers__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-sm); }
  .numbers__grid li { min-height: 0; gap: var(--space-xs); padding: var(--space-md); }
  .numbers__n { font-size: 1.875rem; }
  .numbers__l { font-size: var(--text-sm); line-height: 1.35; }

  /* Tracks: 2 x 2 */
  .tracks__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .track { gap: var(--space-2xs); padding: var(--space-md) var(--space-sm) var(--space-md) 0; }
  .track:nth-child(2n) { padding-left: var(--space-md); border-left: 1px solid var(--color-forest-rule); }
  .track__name { font-size: var(--text-lg); }
  .track p { font-size: var(--text-sm); line-height: 1.45; }
  .tracks__note { margin-top: var(--space-md); }

  /* Programme cards */
  .pillar { gap: var(--space-sm); }
  .pillar--feature .pillar__name { font-size: var(--text-xl); }
  .pillar .ph { min-height: 0; }

  /* Hackathon */
  .hack__grid { gap: var(--space-xl); }
  .hack__intro { gap: var(--space-md); }
  .facts li { grid-template-columns: 4.5rem minmax(0, 1fr); font-size: var(--text-sm); }
  .steps li { grid-template-columns: 2.5rem minmax(0, 1fr); padding-block: var(--space-sm); }
  .steps li::before { font-size: var(--text-lg); }
  .steps h3 { font-size: var(--text-base); }
  .steps p { font-size: var(--text-sm); line-height: 1.45; }

  /* Speakers + team */
  .speakers__ask { margin-top: var(--space-lg); }

  /* Partner: tier cards in a swipe row */
  .outcomes { gap: var(--space-md); margin-bottom: var(--space-xl); }
  .outcomes p { line-height: 1.45; }
  .tiers { border-top: 0; align-items: stretch; }
  .tier { align-content: start; gap: var(--space-xs); padding: var(--space-lg); background: var(--brand-off); border: 1px solid var(--color-rule); border-radius: var(--radius-md); }
  .tier--title { margin-block: 0; background: var(--brand-deep); border-color: var(--brand-deep); }
  .tier__perks { flex-direction: column; }
  .partner__foot { margin-top: var(--space-xl); }
  .partner__terms { font-size: 0.8125rem; }
  .sponsor-wall { margin-top: var(--space-xl); }
  .sponsor-wall__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-xs); }
  .sponsor-wall .ph--logo { min-height: 0; aspect-ratio: 1; }
  .sponsor-wall .ph--mystery-logo .ph__label { display: none; }

  /* Register form */
  .register__grid { gap: var(--space-xl); }
  .form { gap: var(--space-md); }
  .field-row { gap: var(--space-md); }
  .field-row:has(#f-dept) { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  /* Venue, FAQ, closer, footer */
  .venue__grid { gap: var(--space-lg); }
  .venue__map iframe { height: 14rem; }
  .faq__grid { gap: var(--space-lg); }
  .faq__list summary { font-size: var(--text-base); }
  .closer { padding-block: 3.5rem; }
  .footer { padding-block: 3rem var(--space-md); }
  .footer__top { gap: var(--space-xl); padding-bottom: var(--space-xl); }
  .footer__social { margin-top: var(--space-md); }
}

/* Registration spam trap: off-screen, never shown */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Phones: smaller nav logo and sponsor logos */
@media (max-width: 699px) {
  .nav .logo-slot img { height: 1.75rem; }
  .nav__inner { min-height: 3.75rem; }
  .past__panel { gap: var(--space-md); padding-block: var(--space-md); }
  .past__row + .past__row { padding-top: var(--space-md); }
  .past__track { gap: var(--space-lg); padding-inline: var(--space-md); }
  .past__logo, .past__logo img { height: 2.25rem; }
  .past__logo img { max-width: 7.5rem; border-radius: 4px; }
  .past__logo--dark { padding-inline: 0.75rem; }
  .past__logo--dark img { height: 1.375rem; }
}
@media (max-width: 699px) {
  .footer .logo-slot--lg img { width: 12.5rem; }
  .footer__tag { font-size: var(--text-lg); }
}
@media (max-width: 700px) {
  /* Lift the hero type off the bottom edge */
  .hero { padding-bottom: 5.5rem; }
}

/* ---------- Lenis Smooth Scroll ---------- */
html.lenis, html.lenis body {
  height: auto;
}
.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}
.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}
.lenis.lenis-stopped {
  overflow: clip;
}
.lenis.lenis-scrolling iframe {
  pointer-events: none;
}

/* ---------- Scroll reveal (classes added by app.js; skipped for reduced motion) ---------- */
.has-reveal .rv {
  opacity: 0;
  transform: translateY(1.75rem);
  transition: opacity 700ms var(--ease-out), transform 900ms var(--ease-out);
  transition-delay: var(--rv-delay, 0ms);
}
.has-reveal .rv.is-in { opacity: 1; transform: none; }
/* When GSAP is active, GSAP takes direct frame-by-frame control of transforms without CSS transition delay */
html.has-gsap .rv {
  transition: none !important;
}
/* Hero photo settles in on load */
.has-reveal:not(.has-gsap) .hero__bg { animation: hero-settle 1.8s var(--ease-out) both; }
@keyframes hero-settle { from { transform: scale(1.08); opacity: 0.4; } to { transform: none; opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .has-reveal .rv { opacity: 1; transform: none; transition: none; }
  .has-reveal .hero__bg { animation: none; }
}
.carousel__count { font-family: var(--font-display); font-weight: 700; font-size: var(--text-sm); letter-spacing: 0.04em; color: var(--color-ink-muted); font-variant-numeric: tabular-nums; }

/* Five tracks and five speaker slots */
@media (min-width: 1040px) {
  .tracks__list { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  /* sized so the longest name, Technology, stays on one line in a fifth of the row */
  .track__name { font-size: clamp(1.0625rem, 1.5vw, 1.5rem); overflow-wrap: normal; }
  .track { padding-right: var(--space-md); }
}
@media (max-width: 1039px) {
  /* odd one out spans the full row */
  .track:last-child:nth-child(odd) { grid-column: 1 / -1; padding-left: 0; border-left: 0; }
  .track:last-child:nth-child(odd) p { max-width: none; }
}
@media (min-width: 900px) { .people--speakers { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
@media (max-width: 899px) {
  /* two across, with the fifth centred underneath */
  .people--speakers { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .people--speakers .person { grid-column: span 2; }
  .people--speakers .person:nth-child(5) { grid-column: 2 / span 2; }
}
.people--speakers .person:nth-child(5) .ph--mystery::before { top: 21%; width: 33%; }
@media (max-width: 699px) {
  /* "30,000+" must fit its card on the narrowest phones */
  .numbers__n { font-size: clamp(1.375rem, 7.4vw, 1.875rem); }
}