:root {
  --black: #000000;
  --white: #ffffff;
  --clinical-grey: #e6e6e6;
  --graph-grey: #d9d9d9;
  --blue: #3087ff;
  --green: #12baa1;
  --pink: #e038ab;
  --purple: #9c1fc7;
  --orange: #f2733b;
  --text: #000000;
  --muted: #4a4f54;
  --muted-on-dark: rgba(255, 255, 255, 0.74);
  --line: rgba(0, 0, 0, 0.12);
  --line-on-dark: rgba(255, 255, 255, 0.2);
  --error: #9b1c1c;
  --grad-apj: linear-gradient(135deg, var(--green), var(--blue));
  --grad-apj-vertical: linear-gradient(180deg, var(--green), var(--blue));
  --grad-hero-text: linear-gradient(100deg, #3087ff 0%, #9c1fc7 40%, #e038ab 70%, #f2733b 100%);
  --grad-content: linear-gradient(135deg, var(--clinical-grey), var(--white));
  --font-heading: "Aptos Display", Aptos, Arial, sans-serif;
  --font-body: Aptos, Calibri, Arial, sans-serif;
  --font-mono: "Aptos Mono", Consolas, "Courier New", monospace;
  --radius: 8px;
  --gutter: 56px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: var(--font-body);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

img,
svg {
  display: block;
}

button,
input {
  font: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  letter-spacing: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: 5rem;
  font-weight: 700;
  line-height: 0.98;
}

h2 {
  margin-bottom: 20px;
  font-size: 2.75rem;
  font-weight: 600;
  line-height: 1.08;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.25;
}

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

.skip-link {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 10px 16px;
  border-radius: var(--radius);
  color: var(--white);
  background: var(--black);
  text-decoration: none;
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Layout */

.section-inner,
.hero-inner,
.header-inner,
.footer-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.band {
  padding: 104px var(--gutter);
}

.band-grey {
  background: var(--grad-content);
}

/* Shared type */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  flex: 0 0 auto;
  width: 28px;
  height: 3px;
  content: "";
  border-radius: 2px;
  background: var(--grad-apj);
}

.on-dark .eyebrow {
  color: var(--muted-on-dark);
}

.gradient-text {
  color: transparent;
  background: var(--grad-hero-text);
  -webkit-background-clip: text;
  background-clip: text;
}

.lead {
  max-width: 600px;
  color: var(--muted);
  font-size: 1.15rem;
}

/* Header */

.site-header {
  position: relative;
  z-index: 10;
  padding: 22px var(--gutter);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 32px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  width: 148px;
}

.brand-logo img,
.partner-logo img {
  width: 100%;
  height: auto;
}

.partner-logo {
  display: inline-flex;
  align-items: center;
  width: 64px;
}

.region-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.region-tag::before {
  width: 8px;
  height: 8px;
  content: "";
  border-radius: 2px;
  background: var(--grad-apj);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:not(.button) {
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:not(.button):hover,
.site-nav a[aria-current="page"] {
  border-bottom-color: var(--blue);
}

.site-nav .button {
  min-height: 46px;
}

/* Buttons. Labels are 19px bold so white on Blue counts as WCAG large text. */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1.1875rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 14px 32px rgba(48, 135, 255, 0.28);
}

.button-primary:hover {
  box-shadow: 0 18px 40px rgba(48, 135, 255, 0.38);
}

.button-primary:disabled {
  cursor: wait;
  opacity: 0.7;
  transform: none;
}

.button-ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
  background: transparent;
}

.button-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.button-outline {
  color: var(--black);
  border-color: rgba(0, 0, 0, 0.32);
  background: var(--white);
}

.button-outline:hover {
  border-color: var(--black);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

/* Dark hero */

.hero,
.page-hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(50% 60% at 82% 38%, rgba(48, 135, 255, 0.24), transparent 70%),
    radial-gradient(36% 46% at 66% 96%, rgba(18, 186, 161, 0.2), transparent 70%),
    var(--black);
}

.hero::before,
.page-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1.6px);
  background-size: 28px 28px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.5) 45%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.5) 45%, #000 100%);
}

.hero::after,
.page-hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 4px;
  content: "";
  background: var(--grad-apj);
}

.hero {
  padding: 96px var(--gutter) 108px;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  align-items: center;
  gap: 48px;
}

.hero-copy {
  max-width: 640px;
}

.kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.invitation-note {
  margin-bottom: 26px;
  color: var(--muted-on-dark);
  font-style: italic;
}

.hero-topic {
  margin-bottom: 18px;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  line-height: 1.25;
}

.hero-subhead {
  max-width: 580px;
  margin-bottom: 30px;
  color: var(--muted-on-dark);
  font-size: 1.15rem;
}

.fact-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 34px;
  padding: 0;
  list-style: none;
}

.fact-chips li {
  display: grid;
  gap: 2px;
  min-width: 130px;
  padding: 10px 16px 12px;
  border: 1px solid var(--line-on-dark);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}

.chip-label {
  color: var(--muted-on-dark);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chip-value {
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-visual {
  position: relative;
  pointer-events: none;
}

/* APJ constellation over a country map (assets/apj-map.svg, same projection) */

.hero-map {
  position: relative;
  max-width: 600px;
  margin-left: auto;
}

.apj-map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 12%), linear-gradient(to bottom, transparent 0, #000 12%);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(to right, transparent 0, #000 12%), linear-gradient(to bottom, transparent 0, #000 12%);
  mask-composite: intersect;
}

.constellation {
  position: relative;
  width: 100%;
  height: auto;
  overflow: visible;
}

.c-grid path {
  fill: none;
  stroke: rgba(255, 255, 255, 0.16);
  stroke-dasharray: 3 7;
  stroke-width: 1;
}

.c-grid-label {
  fill: rgba(255, 255, 255, 0.4);
  font-family: var(--font-mono);
  font-size: 10px;
  text-anchor: end;
}

.c-arcs path {
  fill: none;
  stroke: url(#apj-arc);
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  stroke-linecap: round;
  stroke-width: 2.2;
  opacity: 0.95;
  animation: arc-draw 1.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.c-flows path {
  fill: none;
  stroke: var(--white);
  stroke-dasharray: 0.035 0.965;
  stroke-linecap: round;
  stroke-width: 3;
  opacity: 0;
  animation: arc-flow 5s linear 2.4s infinite;
}

.c-arcs path:nth-child(2n),
.c-flows path:nth-child(2n) {
  animation-delay: 0.25s;
}

.c-arcs path:nth-child(3n),
.c-flows path:nth-child(3n) {
  animation-delay: 0.5s;
}

.c-arcs path:nth-child(5n),
.c-flows path:nth-child(5n) {
  animation-delay: 0.75s;
}

.c-flows path:nth-child(2n) {
  animation-delay: 3.1s;
  animation-duration: 6s;
}

.c-flows path:nth-child(3n) {
  animation-delay: 3.8s;
  animation-duration: 5.5s;
}

.c-dot {
  fill: var(--white);
}

.c-ring {
  fill: none;
  stroke: var(--blue);
  stroke-width: 1.5;
  transform-box: fill-box;
  transform-origin: center;
  animation: node-pulse 3.2s ease-out infinite;
}

.c-node:nth-child(2n) .c-ring {
  stroke: var(--green);
  animation-delay: 1.1s;
}

.c-node:nth-child(3n) .c-ring {
  animation-delay: 2.1s;
}

.c-label {
  fill: rgba(255, 255, 255, 0.72);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
}

/* Host city */

.c-node--host .c-dot {
  fill: var(--blue);
  stroke: var(--white);
  stroke-width: 2.5;
}

.c-node.c-node--host .c-ring {
  stroke: var(--white);
  stroke-width: 2;
  animation-delay: 0s;
  animation-duration: 2.4s;
}

.c-label--host {
  fill: var(--white);
  font-size: 14px;
  font-weight: 700;
}

.c-label--date {
  fill: var(--green);
  font-size: 11px;
  font-weight: 700;
}

@keyframes arc-draw {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes arc-flow {
  0% {
    stroke-dashoffset: 1;
    opacity: 0;
  }

  10%,
  85% {
    opacity: 0.9;
  }

  100% {
    stroke-dashoffset: 0;
    opacity: 0;
  }
}

@keyframes node-pulse {
  0% {
    transform: scale(1);
    opacity: 0.9;
  }

  70%,
  100% {
    transform: scale(3.2);
    opacity: 0;
  }
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 72px;
  align-items: start;
}

.about-copy p {
  max-width: 620px;
  color: #1f2326;
  font-size: 1.1rem;
}

.card {
  position: relative;
  overflow: hidden;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  content: "";
  background: var(--grad-apj);
}

.card-grey {
  background: var(--grad-content);
}

.evening-callout h3 {
  margin-bottom: 12px;
  font-size: 1.45rem;
}

.evening-callout p {
  color: var(--muted);
}

.evening-callout .button {
  margin-top: 8px;
}

.callout-kicker {
  margin-bottom: 10px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Topics */

.section-head {
  max-width: 760px;
  margin-bottom: 44px;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 20px;
}

.topic-card {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
}

.topic-card:nth-child(n + 4) {
  grid-column: span 3;
}

.topic-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.icon-tile {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  color: var(--white);
  background: var(--grad-apj);
}

.icon-tile svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.topic-number {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
}

.topic-card p {
  margin-bottom: 0;
  color: var(--muted);
}

/* Why attend */

.statement-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
  align-items: start;
}

.statement-copy p {
  color: #1f2326;
  font-size: 1.12rem;
}

.statement-line {
  margin: 64px 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.1;
}

.statement-line::before {
  display: block;
  width: 64px;
  height: 4px;
  margin: -30px 0 26px;
  content: "";
  border-radius: 2px;
  background: var(--grad-apj);
}

/* RSVP */

.rsvp-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 32px;
  align-items: start;
}

.rsvp-panel {
  position: sticky;
  top: 24px;
  overflow: hidden;
  padding: 40px 36px;
  border-radius: var(--radius);
  color: var(--white);
  background:
    radial-gradient(80% 60% at 100% 0%, rgba(48, 135, 255, 0.28), transparent 70%),
    var(--black);
}

.rsvp-panel::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 4px;
  content: "";
  background: var(--grad-apj);
}

.rsvp-panel h2 {
  color: var(--white);
}

.rsvp-note {
  margin-bottom: 8px;
  color: var(--muted-on-dark);
  font-size: 1.05rem;
}

.fact-list {
  display: grid;
  gap: 16px;
  margin: 28px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line-on-dark);
}

.fact-list div {
  display: grid;
  grid-template-columns: 104px 1fr;
  gap: 12px;
}

.fact-list dt {
  color: var(--muted-on-dark);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.9;
  text-transform: uppercase;
}

.fact-list dd {
  margin: 0;
  font-weight: 700;
}

.rsvp-card {
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.06);
}

.step-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 26px;
}

.step-heading h3 {
  margin-bottom: 0;
  font-size: 1.35rem;
}

.step-number {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  background:
    linear-gradient(var(--white), var(--white)) padding-box,
    var(--grad-apj) border-box;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
}

.rsvp-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
}

.field {
  display: grid;
  align-content: start;
  gap: 8px;
}

.field-full {
  grid-column: 1 / -1;
}

label {
  font-weight: 700;
}

.required-marker {
  color: #c5162e;
}

input {
  width: 100%;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid #b8bcbf;
  border-radius: var(--radius);
  color: var(--text);
  background: var(--white);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

input:hover {
  border-color: var(--black);
}

input:focus-visible {
  border-color: var(--blue);
  outline: none;
  box-shadow: 0 0 0 3px rgba(48, 135, 255, 0.35);
}

input[aria-invalid="true"] {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(155, 28, 28, 0.1);
}

.field-error,
.form-message {
  color: var(--error);
}

.field-error {
  min-height: 1.2em;
  font-size: 0.9rem;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 6px;
}

.form-actions .button {
  flex: 0 0 auto;
}

.privacy-note {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.form-message {
  margin: 4px 0 0;
  font-weight: 700;
}

.contact-step[hidden],
.confirmation[hidden],
.form-message[hidden] {
  display: none;
}

.confirmation h2 {
  margin-bottom: 12px;
}

.confirmation p:last-child {
  margin-bottom: 0;
  color: #1f2326;
  font-size: 1.15rem;
}

/* Sub-page hero */

.page-hero {
  padding: 84px var(--gutter) 92px;
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.page-hero h1 {
  max-width: 820px;
  font-size: 4.2rem;
}

.page-hero .hero-subhead {
  max-width: 640px;
}

.guest-note {
  margin-bottom: 14px;
  font-size: 1.15rem;
  font-weight: 700;
}

/* Agenda */

.agenda-layout {
  display: grid;
  grid-template-columns: 0.34fr 1fr;
  gap: 64px;
  align-items: start;
}

.agenda-sidebar {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 16px;
}

.glance-card dl {
  display: grid;
  gap: 18px;
  margin: 8px 0 0;
}

.glance-card dt {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.glance-card dd {
  margin: 4px 0 0;
  font-weight: 700;
  line-height: 1.35;
}

.agenda-sidebar .button {
  width: 100%;
}

.agenda-content {
  min-width: 0;
}

.timeline-note {
  margin-bottom: 36px;
  padding: 14px 18px;
  border-left: 4px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: #1f2326;
  background: var(--grad-content);
}

/* Timeline (agenda and evening plan) */

/* Line and nodes share one axis and are centred on it with translate, so they stay aligned at any zoom level. */

.timeline {
  --timeline-axis: 116px;
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline::before {
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: var(--timeline-axis);
  width: 2px;
  transform: translateX(-50%);
  content: "";
  border-radius: 2px;
  background: var(--grad-apj-vertical);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 0 56px;
  padding-bottom: 32px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  position: absolute;
  top: 5px;
  left: var(--timeline-axis);
  width: 16px;
  height: 16px;
  transform: translateX(-50%);
  content: "";
  border: 3px solid var(--white);
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 2px var(--blue);
}

.timeline-time {
  display: block;
  margin: 0;
  padding-top: 1px;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}

.timeline-body h3 {
  margin-bottom: 6px;
  font-size: 1.25rem;
}

.timeline-body p {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
}

.timeline-body .timeline-speaker {
  margin-top: 10px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
}

.timeline-item--break::before {
  top: 7px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--graph-grey);
  background: var(--white);
  box-shadow: 0 0 0 3px var(--white);
}

.timeline-item--break .timeline-time,
.timeline-item--break h3 {
  color: var(--muted);
}

.timeline-item--break h3 {
  font-weight: 600;
}

/* Networking evening */

.evening-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 72px;
  align-items: start;
}

.info-card .icon-tile {
  margin-bottom: 20px;
}

.info-card h3 {
  font-size: 1.4rem;
}

.info-card p {
  color: var(--muted);
}

.info-card .email-note {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--text);
  font-weight: 700;
}

.page-links {
  padding: 32px var(--gutter);
  border-top: 1px solid var(--line);
}

.page-links .hero-actions {
  justify-content: center;
}

/* Footer */

.site-footer {
  padding: 64px var(--gutter) 48px;
  color: var(--muted-on-dark);
  background: var(--black);
}

.footer-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px 72px;
}

.footer-brand {
  margin: 0;
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.2;
}

.footer-copy p {
  margin-bottom: 6px;
  font-size: 1.06rem;
}

.footer-copy p:last-child {
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  grid-column: 1 / -1;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--line-on-dark);
  font-size: 0.86rem;
}

.footer-links a {
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Responsive */

@media (max-width: 980px) {
  :root {
    --gutter: 34px;
  }

  .hero-inner,
  .about-grid,
  .statement-grid,
  .rsvp-grid,
  .agenda-layout,
  .evening-layout,
  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-inner {
    gap: 40px;
  }

  .about-grid,
  .statement-grid,
  .evening-layout {
    gap: 40px;
  }

  .hero-map {
    max-width: 560px;
    margin: 0 auto;
  }

  h1 {
    font-size: 4rem;
  }

  h2 {
    font-size: 2.4rem;
  }

  .page-hero h1 {
    font-size: 3.4rem;
  }

  .band {
    padding-top: 84px;
    padding-bottom: 84px;
  }

  .topic-card,
  .topic-card:nth-child(n + 4) {
    grid-column: span 3;
  }

  .topic-card:last-child {
    grid-column: 1 / -1;
  }

  .rsvp-panel,
  .agenda-sidebar {
    position: relative;
    top: auto;
  }

  .statement-line {
    font-size: 2.2rem;
  }
}

@media (max-width: 720px) {
  :root {
    --gutter: 20px;
  }

  .site-header {
    padding-top: 18px;
    padding-bottom: 14px;
  }

  .header-brand {
    gap: 14px;
  }

  .brand-logo {
    width: 124px;
  }

  .partner-logo {
    width: 54px;
  }

  .site-nav {
    width: 100%;
    gap: 22px;
  }

  .site-nav .button {
    display: none;
  }

  /* No page links left besides the hidden button: drop the empty nav row. */
  .site-nav:not(:has(a:not(.button))) {
    display: none;
  }

  .hero {
    padding-top: 56px;
    padding-bottom: 64px;
  }

  .hero-visual {
    display: none;
  }

  .page-hero {
    padding-top: 52px;
    padding-bottom: 60px;
  }

  h1 {
    font-size: 3rem;
    line-height: 1.02;
  }

  h2 {
    font-size: 2rem;
  }

  .page-hero h1 {
    font-size: 2.6rem;
  }

  .hero-topic {
    font-size: 1.3rem;
  }

  .hero-subhead,
  .about-copy p,
  .statement-copy p {
    font-size: 1.05rem;
  }

  .fact-chips li {
    flex: 1 1 140px;
  }

  .band {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .topic-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .topic-card,
  .topic-card:nth-child(n + 4),
  .topic-card:last-child {
    grid-column: auto;
  }

  .card,
  .rsvp-card {
    padding: 26px 22px;
  }

  .rsvp-panel {
    padding: 32px 24px;
  }

  .rsvp-form {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .statement-line {
    margin-top: 48px;
    font-size: 1.8rem;
  }

  .timeline {
    --timeline-axis: 8px;
  }

  .timeline-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    padding-left: 38px;
  }
}

@media (max-width: 420px) {
  .brand-logo {
    width: 112px;
  }

  .partner-logo {
    width: 48px;
  }

  .region-tag {
    padding: 5px 8px;
    font-size: 0.72rem;
  }

  h1 {
    font-size: 2.55rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  .page-hero h1 {
    font-size: 2.2rem;
  }

  .fact-list div {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .c-arcs path {
    stroke-dashoffset: 0;
    animation: none;
  }

  .c-flows path,
  .c-ring {
    display: none;
  }
}