:root {
  --text: #173126;
  --muted: #66756d;
  --line: #d7e6db;
  --green-950: #042415;
  --green-900: #07351f;
  --green-800: #0b4d2c;
  --green-700: #17683a;
  --green-600: #208a49;
  --green-500: #36a95d;
  --green-200: #dceee2;
  --green-100: #edf7ef;
  --green-050: #f7fbf8;
  --white: #ffffff;
  --shadow: 0 16px 34px rgba(5, 41, 23, 0.08);
  --radius: 13px;
  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.62;
}

a {
  color: var(--green-600);
  text-underline-offset: 3px;
}

.wrap {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
}

.nav {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo-image {
  width: 170px;
  max-height: 42px;
  object-fit: contain;
  object-position: left center;
}

.desktop-menu {
  display: flex;
  align-items: center;
  gap: 17px;
  flex-wrap: wrap;
}

.desktop-menu a,
.mobile-menu a {
  color: #294638;
  text-decoration: none;
  font-size: 0.91rem;
  font-weight: 700;
}

.desktop-menu a:hover,
.mobile-menu a:hover {
  color: var(--green-600);
}

.menu-button {
  display: none;
  width: 42px;
  height: 38px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 4px 0;
  background: var(--green-900);
}

.mobile-menu {
  display: none;
  padding: 12px 22px 18px;
  border-top: 1px solid var(--line);
  background: white;
}

.mobile-menu.open {
  display: grid;
  gap: 12px;
}

/* Hero */
.hero {
  padding: 50px 0 42px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 92% 10%, rgba(54,169,93,.15), transparent 29%),
    radial-gradient(circle at 8% 88%, rgba(32,138,73,.08), transparent 24%),
    linear-gradient(135deg, var(--green-050), var(--green-100));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(330px, .8fr);
  gap: 52px;
  align-items: center;
}

.hero-logo-image {
  display: block;
  width: min(650px, 100%);
  height: auto;
  margin: 0 0 18px;
}

.subtitle {
  max-width: 850px;
  margin: 0 0 26px;
  color: var(--green-950);
  font-size: clamp(1.1rem, 2vw, 1.44rem);
  line-height: 1.43;
  font-weight: 700;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, max-content);
  width: fit-content;
  overflow: hidden;
  border: 1px solid #cce0d1;
  border-radius: 10px;
  background: rgba(255,255,255,.88);
}

.hero-meta > div {
  padding: 11px 18px;
  border-right: 1px solid #d8e6dc;
}

.hero-meta > div:last-child { border-right: 0; }

.hero-meta span {
  display: block;
  margin-bottom: 2px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .065em;
  text-transform: uppercase;
}

.hero-meta strong {
  color: var(--green-950);
  font-size: .95rem;
}

.hero-meta-link {
  color: var(--green-700);
  text-decoration: none;
}

.hero-meta-link:hover { text-decoration: underline; }

/* Sections */
.section {
  padding: 50px 0;
  border-bottom: 1px solid var(--line);
}

.soft-section {
  background: var(--green-050);
}

h2 {
  margin: 0 0 22px;
  color: var(--green-950);
  font-size: 1.8rem;
  line-height: 1.2;
}

h3 {
  margin: 0 0 8px;
  color: var(--green-800);
}

p { margin: 0 0 15px; }

#about-text,
#cfp-text {
  max-width: 1000px;
}

.cfp-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 15px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-weight: 800;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #fff;
  background: var(--green-800);
  box-shadow: 0 5px 12px rgba(5,41,23,.11);
}

.button.primary:hover {
  color: #fff;
  background: var(--green-950);
}

/* Topics */
.topic-grid { max-width: 1050px; }

.topics-list {
  columns: 2;
  column-gap: 60px;
  margin: 0;
  padding-left: 24px;
}

.topics-list li {
  break-inside: avoid;
  margin: 0 0 11px;
  padding-left: 4px;
}

/* Dates + submission */
.dates-submission-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
  gap: 28px;
  align-items: start;
}

.dates-card,
.side-card {
  overflow: hidden;
  border: 1px solid #cee1d3;
  border-radius: 10px;
  background: white;
}

.date-row {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  border-bottom: 1px solid var(--line);
}

.date-row:last-child { border-bottom: 0; }

.date-row span,
.date-row strong {
  padding: 13px 15px;
}

.date-row strong {
  border-left: 1px solid var(--line);
  color: var(--green-800);
}

.side-card {
  padding: 20px;
}

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

/* Submission */
.submission-list {
  max-width: 1000px;
  margin: 0;
  padding-left: 23px;
}

.submission-list li {
  margin-bottom: 9px;
}

/* Program / people */
.program-grid {
  display: grid;
  gap: 14px;
}

.program-card,
.person-card,
.tbd-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
}

.program-card {
  padding: 18px;
}

.program-card time {
  color: var(--green-600);
  font-weight: 800;
}

.tbd-card {
  padding: 30px;
  color: var(--green-800);
  text-align: center;
  font-size: 1.08rem;
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

.person-card {
  padding: 18px;
}

.person-initials {
  display: inline-flex;
  width: 38px;
  height: 38px;
  margin-bottom: 11px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--green-800);
  background: var(--green-100);
  font-size: .83rem;
  font-weight: 900;
}

.person-card h3 {
  margin-bottom: 3px;
  font-size: 1.02rem;
}

.person-card p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}

.person-email {
  display: block;
  margin-top: 8px;
  font-size: .88rem;
}

.person-details {
  margin-top: 10px !important;
  font-size: .88rem !important;
}




/* Organizers — RAISE-Arch-style hover biographies */
#organizers .people-grid.organizers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
}

.organizer-profile {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--green-050);
  box-shadow: 0 8px 24px rgba(18, 45, 29, .06);
  transition: box-shadow .18s ease, transform .18s ease, background .18s ease, border-color .18s ease;
  outline: none;
}

.organizer-profile:hover,
.organizer-profile:focus-within,
.organizer-profile.bio-open {
  background: #f2faf5;
  border-color: var(--green-300);
  box-shadow: 0 16px 36px rgba(18, 45, 29, .13);
  transform: translateY(-1px);
}

.organizer-avatar {
  width: 66px;
  height: 66px;
  display: grid;
  place-items: center;
  border: 2px solid var(--green-600);
  border-radius: 50%;
  color: var(--green-800);
  background: white;
  font-size: .9rem;
  font-weight: 900;
  letter-spacing: .02em;
}

.organizer-info {
  min-width: 0;
}

.organizer-info h3 {
  margin: 1px 0 4px;
  color: var(--green-800);
  font-size: 1.04rem;
  line-height: 1.25;
  transition: color .18s ease, font-size .18s ease;
}

.organizer-profile:hover .organizer-info h3,
.organizer-profile:focus-within .organizer-info h3,
.organizer-profile.bio-open .organizer-info h3 {
  color: var(--green-700);
  font-size: 1.12rem;
}

.organizer-affiliation {
  margin: 0 !important;
  color: var(--green-700) !important;
  font-size: .92rem !important;
  line-height: 1.45 !important;
}

.organizer-email {
  margin: 3px 0 0 !important;
  color: var(--green-700) !important;
  font-size: .84rem !important;
  line-height: 1.4 !important;
}

.organizer-email a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.organizer-details {
  max-height: 0;
  overflow: hidden;
  margin: 0 !important;
  color: var(--text) !important;
  font-size: .92rem !important;
  line-height: 1.62 !important;
  opacity: 0;
  transition: max-height .24s ease, opacity .18s ease, margin-top .18s ease;
}

.organizer-profile:hover .organizer-details,
.organizer-profile:focus-within .organizer-details,
.organizer-profile.bio-open .organizer-details {
  max-height: 320px;
  opacity: 1;
  margin-top: 9px !important;
}


.organizer-role {
  display: inline-block;
  margin: 0 0 5px;
  padding: 3px 8px;
  border-radius: 999px;
  color: var(--green-800);
  background: var(--green-100);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .055em;
  text-transform: uppercase;
}

.advisor-block {
  margin-top: 30px;
}

.advisor-block > h3 {
  margin-bottom: 14px;
  color: var(--green-950);
  font-size: 1.25rem;
}

/* Contact */
.contact-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.contact-box > div {
  max-width: 760px;
}

/* Footer */
footer {
  padding: 28px 22px;
  color: #dce9df;
  background: linear-gradient(135deg, var(--green-950), #0d4028);
  text-align: center;
  font-size: .91rem;
}

@media (max-width: 920px) {
  .desktop-menu { display: none; }
  .menu-button { display: block; }

  .hero-grid,
  .dates-submission-grid {
    grid-template-columns: 1fr;
  }

  .hero-meta {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .hero-meta > div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-meta > div:last-child { border-bottom: 0; }

  .people-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .wrap {
    width: min(var(--max), calc(100% - 28px));
  }

  .hero {
    padding-top: 35px;
  }

  .topics-list {
    columns: 1;
  }

  .date-row {
    grid-template-columns: 1fr;
  }

  .date-row strong {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .cfp-heading-row,
  .contact-box {
    align-items: flex-start;
    flex-direction: column;
  }

  .people-grid {
    grid-template-columns: 1fr;
  }

  .organizer-profile {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 18px;
  }

  .organizer-profile:hover .organizer-details,
  .organizer-profile:focus-within .organizer-details,
  .organizer-profile.bio-open .organizer-details {
    max-height: 900px;
  }
}