:root {
  --paper: #e7ddca;
  --paper-soft: #f3ecdf;
  --ink: #70706d;
  --body-ink: #4f504d;
  --ink-dark: #3f403e;
  --line: #6a6c68;
  --sage: #717b68;
  --wine: #7f4f42;
  --gold: #b58b4c;
  --shadow: 0 18px 50px rgba(35, 31, 26, 0.16);
  --max: 1180px;
  --header-height: 74px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--body-ink);
  background: var(--paper);
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.75;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.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;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  padding: 19px clamp(18px, 4vw, 54px);
  background: rgba(243, 236, 223, 0.96);
  border-bottom: 1px solid rgba(95, 95, 93, 0.26);
  backdrop-filter: blur(14px);
}

.brand {
  color: var(--ink);
  font-family: "EB Garamond", Georgia, serif;
  font-size: clamp(1.35rem, 2.2vw, 1.9rem);
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  line-height: 1.05;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

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

.nav-register-short {
  display: none;
}

.nav-register,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--ink-dark);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.nav-register,
.button.primary {
  color: var(--paper-soft);
  background: var(--ink-dark);
}

.button.secondary {
  color: var(--ink-dark);
  background: transparent;
}

.text-link {
  color: var(--wine);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

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

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(63, 64, 62, 0.42);
  background: transparent;
}

.menu-toggle span[aria-hidden="true"] {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink-dark);
}

.section-panel {
  scroll-margin-top: var(--header-height);
}

.hero {
  min-height: calc(100vh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(22px, 4vh, 52px);
  padding: clamp(44px, 7vw, 96px) clamp(26px, 6vw, 96px);
}

.rule {
  align-self: center;
  width: min(100%, 530px);
  height: 2.5px;
  background: var(--line);
}

.eyebrow {
  margin: 0;
  color: var(--wine);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.17em;
  line-height: 1.35;
  text-align: center;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  font-family: "EB Garamond", Garamond, Georgia, serif;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 0.98;
  text-align: center;
  text-transform: uppercase;
}

h1 {
  align-self: center;
  max-width: 680px;
  font-size: clamp(3rem, 4.15vw, 4.65rem);
}

h1 span {
  display: block;
  white-space: nowrap;
}

h2 {
  font-size: clamp(2.5rem, 4vw, 4rem);
}

h3 {
  font-size: clamp(2.15rem, 4vw, 3.6rem);
}

.hero-intro {
  max-width: 630px;
  margin: 0;
  font-size: 20px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-image {
  min-height: 100%;
  margin: 0;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.description,
.venue,
.ralston,
.savannah,
.details {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 1fr);
  gap: clamp(30px, 6vw, 86px);
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(56px, 6vw, 82px) clamp(20px, 4vw, 48px);
}

.description {
  max-width: none;
  min-height: calc(100vh - var(--header-height));
  gap: 0;
  align-items: start;
  padding: 0;
}

.description .section-copy {
  align-self: start;
  max-width: 720px;
  margin-left: 0;
  padding: clamp(52px, 5.2vw, 76px) clamp(28px, 5vw, 76px);
  row-gap: 16px;
}

.description h2 {
  font-size: clamp(2.55rem, 4vw, 4rem);
}

.section-copy {
  display: grid;
  gap: 20px;
}

.venue .section-copy h2,
.ralston .section-copy h2,
.savannah .section-copy h2 {
  font-size: clamp(2.35rem, 3.45vw, 3.45rem);
  text-align: center;
}

.section-copy p {
  margin: 0;
}

.deck {
  color: var(--ink-dark);
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(0.95rem, 1.15vw, 1.12rem);
  font-style: italic;
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: 1.45;
  margin-top: -14px;
  text-align: center;
}

.section-subtitle {
  color: var(--ink-dark);
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(0.95rem, 1.15vw, 1.12rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.45;
  margin-top: 30px;
  text-align: center;
  text-transform: uppercase;
}

.description .section-subtitle {
  margin-top: 48px;
}

.section-media img,
.image-stack img,
.image-mosaic img,
.savannah-gallery img,
.details-art img {
  width: 100%;
  box-shadow: var(--shadow);
}

.section-media img {
  height: calc(100vh - var(--header-height));
  min-height: 760px;
  object-fit: cover;
  object-position: center;
  box-shadow: none;
}

.speakers,
.organizations {
  padding: clamp(56px, 6vw, 82px) clamp(20px, 4vw, 48px);
  background: var(--paper-soft);
}

.center-heading {
  display: grid;
  gap: 14px;
  max-width: 880px;
  margin: 0 auto 34px;
  text-align: center;
}

.center-heading.compact {
  margin-top: 54px;
  margin-bottom: 24px;
}

.group-label {
  margin: 0;
  color: var(--sage);
  font-family: "EB Garamond", Garamond, Georgia, serif;
  font-size: clamp(1.65rem, 2.5vw, 2.15rem);
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
}

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
  max-width: 1120px;
  margin: 0 auto;
}

.speaker-card {
  min-height: 100%;
  display: grid;
  grid-template-rows: auto 1fr;
  align-content: start;
  background: var(--paper);
  border: 1px solid rgba(95, 95, 93, 0.28);
  box-shadow: 0 12px 34px rgba(35, 31, 26, 0.08);
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.speaker-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 42px rgba(35, 31, 26, 0.14);
}

.speaker-card-placeholder {
  min-height: 250px;
  grid-template-rows: 1fr;
  align-items: center;
  justify-items: center;
  text-align: center;
}

.speaker-card-placeholder div {
  align-self: center;
  padding: 32px;
}

.speaker-card-placeholder:hover {
  transform: none;
  box-shadow: 0 12px 34px rgba(35, 31, 26, 0.08);
}

.speaker-card-placeholder .speaker-name {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.9rem, 2.8vw, 2.5rem);
  line-height: 1.08;
}

.speaker-card img {
  width: clamp(118px, 10vw, 148px);
  aspect-ratio: 1;
  margin: 22px auto 0;
  border: 4px solid var(--paper-soft);
  border-radius: 50%;
  box-shadow: 0 10px 24px rgba(35, 31, 26, 0.14);
  object-fit: cover;
  object-position: top center;
}

.speaker-card div {
  display: grid;
  gap: 8px;
  padding: 16px 18px 20px;
}

.speaker-name {
  margin: 0;
  color: var(--ink-dark);
  font-family: "EB Garamond", Garamond, Georgia, serif;
  font-size: 1.65rem;
  line-height: 1.1;
}

.speaker-meta {
  margin: 0;
  color: var(--wine);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.35;
  text-transform: uppercase;
}

.speaker-bio {
  margin: 4px 0 0;
  color: var(--body-ink);
  font-size: 0.88rem;
  line-height: 1.55;
}

.speaker-link {
  align-self: end;
  margin-top: 8px;
  color: var(--wine);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.virtual-speakers {
  max-width: var(--max);
  margin: 0 auto;
  padding-top: 4px;
}

.virtual-note {
  max-width: 820px;
  margin: 0 auto;
  color: var(--body-ink);
  font-size: clamp(1rem, 1.2vw, 1.12rem);
  line-height: 1.65;
  text-align: center;
}

.virtual-grid {
  max-width: 920px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.speaker-card.virtual {
  border-color: rgba(127, 79, 66, 0.45);
}

.image-stack {
  display: grid;
  gap: 18px;
}

.image-stack img:first-child {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.image-stack img:last-child {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.image-mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.image-mosaic img:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.image-mosaic img:not(:first-child) {
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.savannah-gallery {
  display: grid;
  gap: 18px;
}

.savannah-gallery img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.organizations {
  text-align: center;
}

.speakers h2,
.organizations h2 {
  font-size: clamp(2.55rem, 3.75vw, 3.75rem);
}

.org-copy {
  max-width: 820px;
  margin: 0 auto 34px;
}

.logo-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 24px;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}

.logo-row img {
  width: 100%;
  max-height: 160px;
  object-fit: contain;
  padding: 18px;
  background: #fffaf0;
  border: 1px solid rgba(95, 95, 93, 0.2);
}

.why-attend {
  padding: clamp(64px, 7vw, 104px) clamp(24px, 5vw, 72px);
  background: var(--paper);
}

.why-attend-copy {
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.why-attend h2 {
  max-width: 860px;
  margin: 0 auto 28px;
  font-size: clamp(2.35rem, 3.5vw, 3.6rem);
  line-height: 1.05;
}

.why-attend p {
  margin: 0 auto;
  max-width: 900px;
  font-size: clamp(1rem, 1.25vw, 1.18rem);
  line-height: 1.75;
}

.details {
  max-width: none;
  min-height: auto;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(26px, 6vw, 90px);
  justify-content: stretch;
  align-items: center;
  margin: 0;
  padding: clamp(62px, 7vw, 96px) clamp(42px, 7vw, 120px);
  background:
    linear-gradient(rgba(17, 20, 16, 0.58), rgba(17, 20, 16, 0.58)),
    url("assets/landscape/savannah-foliage.jpg") center / cover no-repeat;
}

.details-copy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: clamp(28px, 8vw, 140px);
  row-gap: 12px;
  width: min(100%, 1200px);
  margin: 0 auto;
  color: #fffaf0;
  background: transparent;
  box-shadow: none;
}

.details-copy .eyebrow {
  grid-column: 1 / -1;
  color: var(--gold);
}

.details-copy h2 {
  color: #fffaf0;
  font-size: clamp(2.55rem, 4.2vw, 4rem);
  line-height: 1.05;
  text-align: left;
  text-transform: none;
}

.details-copy .eyebrow,
.details-copy h2 {
  margin: 0;
}

.details-text {
  grid-column: 1;
  display: grid;
  gap: 16px;
  max-width: 740px;
}

.details-text p {
  margin: 0;
  color: #fffaf0;
  font-size: clamp(1rem, 1.35vw, 1.22rem);
  line-height: 1.6;
}

.details-copy .button {
  grid-column: 2;
  grid-row: 2 / span 3;
  align-self: center;
}

.button.light {
  color: var(--ink-dark);
  background: #fffaf0;
  border-color: #fffaf0;
  letter-spacing: 0;
  text-transform: none;
  font-family: "EB Garamond", Garamond, Georgia, serif;
  font-size: 1rem;
  font-weight: 700;
  min-width: 164px;
}

.details-art {
  display: grid;
  gap: 18px;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.details-art img:first-child {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.details-art img:last-child {
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.detail-list {
  display: grid;
  gap: 1px;
  margin: 12px 0;
  border: 1px solid rgba(95, 95, 93, 0.34);
  background: rgba(95, 95, 93, 0.34);
}

.detail-list div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  background: var(--paper-soft);
}

.detail-list span {
  color: var(--wine);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.detail-list strong {
  color: var(--ink-dark);
  font-size: 0.98rem;
  text-align: right;
}

.button.wide {
  justify-self: start;
  min-width: min(100%, 300px);
}

.contact {
  font-size: 0.95rem;
  color: var(--wine);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.contact a {
  color: var(--wine);
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 30px clamp(20px, 4vw, 54px);
  color: var(--ink-dark);
  background: var(--paper);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-footer p {
  margin: 0;
}

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

.speaker-page {
  min-height: calc(100vh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(34px, 6vw, 82px);
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(72px, 9vw, 128px) clamp(22px, 5vw, 54px);
}

.speaker-portrait {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
  box-shadow: var(--shadow);
}

.speaker-page-copy {
  display: grid;
  gap: 22px;
}

.speaker-page-copy .eyebrow {
  text-align: left;
}

.speaker-page-copy h1 {
  max-width: none;
  font-size: 48px;
  text-align: left;
}

.speaker-page-copy h1.mixed-case-name {
  text-transform: none;
}

.speaker-page-copy p {
  margin: 0;
}

.speaker-page-copy .speaker-meta {
  font-size: 0.82rem;
}

.bio-body {
  display: grid;
  gap: 18px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.back-link {
  justify-self: start;
  color: var(--wine);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-decoration: none;
  text-transform: uppercase;
}

@media (max-width: 1040px) {
  .site-nav {
    gap: 12px;
    font-size: 0.66rem;
  }

  .site-nav .nav-register {
    min-height: 40px;
    padding: 0 14px;
    white-space: nowrap;
  }

  .nav-register-full {
    display: none;
  }

  .nav-register-short {
    display: inline;
  }

  .hero,
  .description,
  .venue,
  .ralston,
  .savannah,
  .details {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-image {
    min-height: 58vh;
    order: -1;
  }

  .description .section-copy {
    max-width: none;
    margin: 0;
    padding: 52px 22px;
  }

  .section-media img {
    height: auto;
    min-height: 56vh;
    aspect-ratio: 16 / 10;
  }

  .ralston .section-copy {
    order: -1;
  }

  .speaker-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .details-art {
    position: static;
  }

  .details-copy {
    grid-template-columns: 1fr;
  }

  .details-copy .button {
    grid-column: 1;
    grid-row: auto;
    justify-self: start;
  }

  .speaker-page {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .site-header {
    min-height: 66px;
    gap: 12px;
  }

  .brand {
    max-width: min(48vw, 220px);
    white-space: normal;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 66px 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 18px;
    background: var(--paper-soft);
    border-bottom: 1px solid rgba(95, 95, 93, 0.3);
    box-shadow: var(--shadow);
  }

  body.nav-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 14px 4px;
    border-bottom: 1px solid rgba(95, 95, 93, 0.18);
  }

  .site-nav .nav-register {
    margin-top: 14px;
    padding: 0 20px;
    border-bottom: 1px solid var(--ink-dark);
  }

  .nav-register-full {
    display: inline;
  }

  .nav-register-short {
    display: none;
  }

  .hero-copy {
    align-items: center;
    gap: 24px;
    padding: 44px 22px 62px;
    text-align: center;
  }

  .rule {
    width: min(100%, 400px);
  }

  h1,
  h2,
  h3 {
    overflow-wrap: normal;
  }

  h1 {
    width: min(100%, 420px);
    font-size: clamp(2.65rem, 10.5vw, 4rem);
    text-align: center;
  }

  h1 span {
    white-space: normal;
  }

  h2 {
    font-size: clamp(2.55rem, 12vw, 4.1rem);
  }

  .hero-intro {
    font-size: 20px;
    line-height: 1.65;
  }

  .description,
  .venue,
  .ralston,
  .savannah,
  .details,
  .speakers,
  .organizations {
    padding: 54px 20px;
  }

  .description {
    padding: 0;
  }

  .details {
    padding: 54px 24px;
  }

  .details-copy h2 {
    font-size: clamp(2.55rem, 12vw, 4rem);
  }

  .speaker-grid,
  .virtual-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .speaker-name {
    font-size: 1.35rem;
  }

  .speaker-card div {
    padding: 14px;
  }

  .speaker-page {
    padding: 54px 20px;
  }

  .logo-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .detail-list div {
    display: grid;
  }

  .detail-list strong {
    text-align: left;
  }
}

@media (max-width: 460px) {
  .hero-actions,
  .site-footer {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .speaker-grid,
  .virtual-grid,
  .image-mosaic,
  .logo-row {
    grid-template-columns: 1fr;
  }
}