:root {
  color-scheme: light dark;
  --canvas: #f3eee2;
  --surface: #fffaf0;
  --ink: #123a32;
  --muted: #5a6d67;
  --line: #b8c2ba;
  --forest: #123a32;
  --forest-deep: #09251f;
  --orange: #a93612;
  --orange-soft: #f5c6b3;
  --mint: #b8dfcc;
  --yellow: #edc646;
  --focus: #9d2d0b;
  --error: #a22620;
  --success: #176b4b;
  font-family:
    "Segoe UI",
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 20rem;
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.65;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex="-1"]:focus-visible {
  outline: 0.2rem solid var(--focus);
  outline-offset: 0.25rem;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

.skip-link {
  position: fixed;
  z-index: 20;
  inset-block-start: 0.75rem;
  inset-inline-start: 0.75rem;
  padding: 0.7rem 1rem;
  color: #fff;
  background: var(--forest-deep);
  border-radius: 0.35rem;
  transform: translateY(-200%);
}

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

.page-frame,
.conference-header {
  width: min(100% - 2rem, 72rem);
  margin-inline: auto;
}

.conference-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
  color: var(--muted);
  font-size: 0.78rem;
  border-block-end: 0.0625rem solid var(--line);
}

.conference-topbar p {
  margin: 0;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lab-link {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  font-weight: 800;
  text-decoration: none;
}

.lab-link span {
  color: var(--orange);
  font-size: 1.15rem;
}

.brand-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  min-height: 8rem;
  padding-block: 2rem;
}

.brand {
  display: inline-flex;
  gap: 0.8rem;
  align-items: center;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  inline-size: 3rem;
  block-size: 3rem;
  place-items: center;
  color: #fff;
  font-size: 0.95rem;
  letter-spacing: -0.05em;
  background: var(--forest);
  border-radius: 50%;
}

.event-meta {
  margin: 0;
  color: var(--orange);
  font-size: 0.86rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.conference-nav {
  display: flex;
  justify-content: flex-end;
  gap: 0.35rem;
  padding-block: 0 1rem;
  border-block-end: 0.0625rem solid var(--line);
}

.conference-nav a {
  padding: 0.6rem 0.9rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 750;
  text-decoration: none;
  border-radius: 999px;
}

.conference-nav a:hover {
  color: var(--ink);
  background: var(--mint);
}

.conference-nav a[aria-current="page"] {
  color: #fff;
  background: var(--forest);
}

.eyebrow,
.section-heading > p,
.feature-index,
.speaker-role,
.session-type,
.detail-index {
  margin: 0;
  color: var(--orange);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.conference-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.75fr);
  gap: 3rem;
  align-items: center;
  min-height: min(45rem, 78vh);
  padding-block: clamp(4rem, 9vw, 8rem);
}

.conference-hero h1,
.page-intro h1 {
  margin: 0.9rem 0 1.5rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.93;
}

.hero-lede,
.page-intro > p:last-child {
  max-width: 42rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.button-row {
  display: flex;
  margin-block-start: 2rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  padding: 0.75rem 1.2rem;
  align-items: center;
  justify-content: center;
  font-weight: 850;
  text-align: center;
  text-decoration: none;
  border: 0.125rem solid transparent;
  border-radius: 0.25rem;
  cursor: pointer;
}

.button--primary {
  color: #fff;
  background: var(--forest);
  border-color: var(--forest);
}

.button--primary:hover {
  background: var(--forest-deep);
  border-color: var(--forest-deep);
}

.button--quiet {
  color: var(--forest);
  background: transparent;
  border-color: var(--forest);
}

.button--quiet:hover {
  background: var(--mint);
}

.signal-graphic {
  position: relative;
  display: grid;
  inline-size: min(100%, 24rem);
  aspect-ratio: 1;
  justify-self: end;
  place-items: center;
  background:
    linear-gradient(var(--line) 0.0625rem, transparent 0.0625rem),
    linear-gradient(90deg, var(--line) 0.0625rem, transparent 0.0625rem);
  background-size: 25% 25%;
  border: 0.0625rem solid var(--line);
}

.signal-graphic::before {
  position: absolute;
  inline-size: 58%;
  block-size: 58%;
  border: 1.35rem solid var(--forest);
  border-radius: 50%;
  content: "";
}

.signal-graphic span {
  position: absolute;
  inline-size: 1rem;
  block-size: 1rem;
  background: var(--orange);
  border-radius: 50%;
}

.signal-graphic span:nth-child(1) {
  inset-block-start: 9%;
  inset-inline-start: 18%;
}

.signal-graphic span:nth-child(2) {
  inline-size: 2rem;
  block-size: 2rem;
  inset-block-end: 12%;
  inset-inline-end: 18%;
  background: var(--yellow);
}

.signal-graphic span:nth-child(3) {
  inline-size: 4.5rem;
  block-size: 4.5rem;
  background: var(--orange-soft);
}

.manifesto {
  display: grid;
  grid-template-columns: minmax(10rem, 0.36fr) minmax(0, 1fr);
  gap: 2rem 5rem;
  padding-block: clamp(4rem, 8vw, 7rem);
  border-block: 0.0625rem solid var(--line);
}

.manifesto h2 {
  max-width: 18ch;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
}

.manifesto div p {
  max-width: 46rem;
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.feature-section {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-block-end: 2rem;
}

.section-heading h2 {
  max-width: 22ch;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block-start: 0.0625rem solid var(--line);
  border-inline-start: 0.0625rem solid var(--line);
}

.feature-grid article {
  display: flex;
  min-height: 25rem;
  padding: 1.5rem;
  flex-direction: column;
  border-block-end: 0.0625rem solid var(--line);
  border-inline-end: 0.0625rem solid var(--line);
}

.feature-grid h3 {
  margin: 4rem 0 0.8rem;
  font-size: 1.45rem;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.feature-grid p:not(.feature-index) {
  margin: 0;
  color: var(--muted);
}

.feature-grid a {
  margin-block-start: auto;
  padding-block-start: 1.5rem;
  color: var(--forest);
  font-weight: 800;
}

.event-strip {
  color: #fff;
  background: var(--forest);
}

.event-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.event-stats p {
  display: flex;
  min-height: 15rem;
  margin: 0;
  padding: 2rem;
  align-items: flex-start;
  justify-content: flex-end;
  flex-direction: column;
  border-inline-start: 0.0625rem solid rgb(255 255 255 / 25%);
}

.event-stats p:last-child {
  border-inline-end: 0.0625rem solid rgb(255 255 255 / 25%);
}

.event-stats strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 500;
  line-height: 0.9;
}

.event-stats span {
  margin-block-start: 0.75rem;
  color: #cde7db;
}

.closing-callout {
  padding-block: clamp(4rem, 9vw, 8rem);
  text-align: center;
}

.closing-callout h2 {
  max-width: 23ch;
  margin: 0.8rem auto 2rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1;
}

.page-intro {
  padding-block: clamp(4.5rem, 10vw, 8.5rem);
  border-block-end: 0.0625rem solid var(--line);
}

.page-intro h1 {
  max-width: 15ch;
}

.speaker-list {
  padding-block: clamp(3rem, 7vw, 6rem);
}

.speaker-card {
  display: grid;
  grid-template-columns: minmax(10rem, 0.36fr) minmax(0, 1fr);
  gap: 2rem 4rem;
  padding-block: clamp(2.5rem, 6vw, 5rem);
  border-block-start: 0.0625rem solid var(--line);
}

.speaker-card:first-child {
  border-block-start: 0;
}

.speaker-monogram {
  display: grid;
  inline-size: min(100%, 13rem);
  aspect-ratio: 1;
  place-items: center;
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--forest);
  border-radius: 50%;
}

.speaker-card:nth-child(2) .speaker-monogram {
  color: var(--forest);
  background: var(--yellow);
  border-radius: 0;
  transform: rotate(-3deg);
}

.speaker-card:nth-child(3) .speaker-monogram {
  background: var(--orange);
  border-radius: 50% 50% 0;
}

.speaker-copy h2 {
  margin: 0.45rem 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 500;
  letter-spacing: -0.05em;
}

.speaker-copy h3 {
  max-width: 30ch;
  margin: 0.65rem 0 1rem;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.25;
}

.speaker-copy > p:not(.speaker-role) {
  max-width: 45rem;
  color: var(--muted);
}

.topic-list {
  display: flex;
  padding: 0;
  margin: 1.5rem 0 0;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.topic-list li {
  padding: 0.35rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 750;
  border: 0.0625rem solid var(--line);
  border-radius: 999px;
}

.schedule-days {
  padding-block: clamp(3rem, 7vw, 6rem);
}

.schedule-day {
  display: grid;
  grid-template-columns: minmax(10rem, 0.34fr) minmax(0, 1fr);
  gap: 2rem 4rem;
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  border-block-start: 0.0625rem solid var(--line);
}

.schedule-day:first-child {
  border-block-start: 0;
}

.schedule-day > header p {
  margin: 0;
  color: var(--orange);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.schedule-day > header h2 {
  margin: 0.5rem 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.04em;
}

.schedule-day ol {
  padding: 0;
  margin: 0;
  list-style: none;
}

.schedule-day li {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 1rem;
  padding-block: 1.25rem;
  border-block-start: 0.0625rem solid var(--line);
}

.schedule-day li:first-child {
  border-block-start: 0;
}

.schedule-day time {
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}

.schedule-day h3,
.schedule-day li p {
  margin: 0;
}

.schedule-day h3 {
  font-size: 1.15rem;
}

.schedule-day li p:last-child {
  margin-block-start: 0.25rem;
  color: var(--muted);
}

.venue-overview {
  display: grid;
  grid-template-columns: minmax(18rem, 0.8fr) minmax(0, 1fr);
  gap: 3rem 5rem;
  align-items: center;
  padding-block: clamp(4rem, 8vw, 7rem);
}

.venue-map {
  position: relative;
  min-height: 28rem;
  overflow: hidden;
  background:
    linear-gradient(var(--line) 0.0625rem, transparent 0.0625rem),
    linear-gradient(90deg, var(--line) 0.0625rem, transparent 0.0625rem),
    var(--surface);
  background-size: 4rem 4rem;
  border: 0.0625rem solid var(--line);
}

.map-water,
.map-block,
.map-route,
.map-pin {
  position: absolute;
  display: block;
}

.map-water {
  inline-size: 48%;
  block-size: 130%;
  inset-block-start: -15%;
  inset-inline-end: -15%;
  background: var(--mint);
  transform: rotate(12deg);
}

.map-block {
  background: var(--forest);
}

.map-block--one {
  inline-size: 34%;
  block-size: 22%;
  inset-block-start: 18%;
  inset-inline-start: 16%;
}

.map-block--two {
  inline-size: 25%;
  block-size: 18%;
  inset-block-end: 15%;
  inset-inline-start: 32%;
  background: var(--yellow);
}

.map-route {
  inline-size: 65%;
  block-size: 0.45rem;
  inset-block-start: 56%;
  inset-inline-start: 12%;
  background: var(--orange);
  transform: rotate(-24deg);
}

.map-pin {
  inline-size: 2.6rem;
  block-size: 2.6rem;
  inset-block-start: 39%;
  inset-inline-start: 42%;
  background: var(--orange);
  border: 0.4rem solid var(--surface);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
}

.venue-copy h2 {
  max-width: 16ch;
  margin: 0.75rem 0 1rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.3rem, 5vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
}

.venue-copy > p:not(.eyebrow) {
  color: var(--muted);
}

.venue-copy address {
  margin-block-start: 1.5rem;
  font-style: normal;
  font-weight: 800;
}

.venue-details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block-start: 0.0625rem solid var(--line);
  border-inline-start: 0.0625rem solid var(--line);
}

.venue-details article {
  min-height: 20rem;
  padding: 1.5rem;
  border-block-end: 0.0625rem solid var(--line);
  border-inline-end: 0.0625rem solid var(--line);
}

.venue-details h2 {
  margin: 3rem 0 0.75rem;
  font-size: 1.4rem;
}

.venue-details p:not(.detail-index) {
  margin: 0;
  color: var(--muted);
}

.fiction-note {
  display: grid;
  grid-template-columns: minmax(12rem, 0.35fr) minmax(0, 1fr);
  gap: 1.5rem 4rem;
  margin-block-start: 3rem;
  padding-block: 2rem;
  border-block: 0.0625rem solid var(--line);
}

.fiction-note h2,
.fiction-note p {
  margin: 0;
}

.fiction-note p {
  color: var(--muted);
}

.registration-layout {
  display: grid;
  grid-template-columns: minmax(15rem, 0.45fr) minmax(0, 1fr);
  gap: 3rem 6rem;
  padding-block: clamp(4rem, 8vw, 7rem);
}

.registration-context {
  align-self: start;
}

.registration-context h2 {
  margin: 0.75rem 0 1rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.registration-context > p:not(.eyebrow) {
  color: var(--muted);
}

.privacy-list {
  padding: 0;
  margin: 2rem 0 0;
  list-style: none;
}

.privacy-list li {
  padding-block: 0.7rem;
  font-weight: 750;
  border-block-start: 0.0625rem solid var(--line);
}

.privacy-list li::before {
  margin-inline-end: 0.6rem;
  color: var(--success);
  content: "✓";
}

#registration-form {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--surface);
  border: 0.0625rem solid var(--line);
}

.form-field {
  margin-block-end: 1.5rem;
}

.form-field > label {
  display: block;
  margin-block-end: 0.45rem;
  font-weight: 800;
}

.form-field > label span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 500;
}

input:not([type="checkbox"]),
select,
textarea {
  display: block;
  width: 100%;
  min-height: 3rem;
  padding: 0.7rem 0.8rem;
  color: var(--ink);
  background: var(--canvas);
  border: 0.1rem solid var(--line);
  border-radius: 0.2rem;
}

textarea {
  resize: vertical;
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--error);
  box-shadow: 0 0 0 0.12rem var(--error);
}

.field-help,
.field-error {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
}

.field-help {
  color: var(--muted);
}

.field-error {
  min-height: 1.35em;
  color: var(--error);
  font-weight: 750;
}

.form-field--check {
  display: grid;
  grid-template-columns: 1.35rem minmax(0, 1fr);
  gap: 0 0.7rem;
  align-items: start;
}

.form-field--check input {
  inline-size: 1.2rem;
  block-size: 1.2rem;
  margin: 0.2rem 0 0;
  accent-color: var(--forest);
}

.form-field--check label {
  margin: 0;
}

.form-field--check .field-error {
  grid-column: 2;
}

#registration-form .button {
  width: 100%;
}

.form-status {
  min-height: 3rem;
  margin: 1rem 0 0;
  padding: 0.75rem;
  color: var(--success);
  font-weight: 800;
  background: color-mix(in srgb, var(--mint) 62%, transparent);
  border-inline-start: 0.3rem solid var(--success);
}

.form-status:empty {
  display: none;
}

.conference-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 2.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-block-start: 0.0625rem solid var(--line);
}

.conference-footer p {
  margin: 0;
}

.footer-brand {
  color: var(--ink);
  font-size: 1rem;
  font-weight: 850;
}

.conference-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
}

@media (max-width: 54rem) {
  .conference-hero,
  .manifesto,
  .speaker-card,
  .schedule-day,
  .venue-overview,
  .registration-layout,
  .fiction-note {
    grid-template-columns: 1fr;
  }

  .signal-graphic {
    inline-size: min(100%, 20rem);
    justify-self: start;
  }

  .feature-grid,
  .venue-details {
    grid-template-columns: 1fr;
  }

  .feature-grid article,
  .venue-details article {
    min-height: 0;
  }

  .feature-grid h3,
  .venue-details h2 {
    margin-block-start: 2rem;
  }

  .speaker-monogram {
    inline-size: 9rem;
  }

  .venue-map {
    min-height: 22rem;
  }
}

@media (max-width: 40rem) {
  .conference-topbar,
  .brand-row,
  .conference-footer,
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .conference-topbar {
    justify-content: center;
    padding-block: 0.8rem;
    gap: 0.5rem;
  }

  .brand-row {
    justify-content: center;
    min-height: 0;
  }

  .conference-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .conference-nav a {
    padding-inline: 0.45rem;
    text-align: center;
  }

  .conference-hero h1,
  .page-intro h1 {
    font-size: clamp(3.1rem, 17vw, 5.2rem);
  }

  .event-stats {
    grid-template-columns: 1fr;
  }

  .event-stats p {
    min-height: 10rem;
    border-inline-end: 0.0625rem solid rgb(255 255 255 / 25%);
  }

  .schedule-day li {
    grid-template-columns: 3.8rem minmax(0, 1fr);
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #0d211d;
    --surface: #173129;
    --ink: #fff8e8;
    --muted: #b9ccc4;
    --line: #426057;
    --forest: #e8f5ee;
    --forest-deep: #c7e2d5;
    --orange: #ff8b62;
    --orange-soft: #633524;
    --mint: #315e4c;
    --yellow: #f3d463;
    --focus: #ffb49a;
    --error: #ffaaa3;
    --success: #84dfb8;
  }

  .brand-mark,
  .conference-nav a[aria-current="page"],
  .button--primary {
    color: #102820;
  }

  .button--quiet {
    color: var(--ink);
  }

  .event-strip {
    color: #102820;
  }

  .event-stats span {
    color: #274d40;
  }

  .speaker-monogram {
    color: #102820;
  }

  input:not([type="checkbox"]),
  select,
  textarea {
    color: var(--ink);
  }
}

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

@media (forced-colors: active) {
  .brand-mark,
  .speaker-monogram,
  .signal-graphic,
  .venue-map,
  .button {
    border: 0.125rem solid CanvasText;
  }

  .privacy-list li::before {
    color: CanvasText;
  }
}