* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #163047;
  background: #061728;
  line-height: 1.65;
}
a {
  text-decoration: none;
  color: inherit;
}
.hero img {
  display: block;
  width: 100%;
  height: auto;
}
.main-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #0e3554;
  border-bottom: 3px solid #b9834e;
  box-shadow: 0 7px 22px rgba(0, 0, 0, 0.28);
}
.nav-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  max-width: 1500px;
  margin: auto;
}
.nav-grid a {
  min-height: 76px;
  padding: 9px 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: #f6f1e9;
  border-right: 1px solid rgba(255, 255, 255, 0.13);
  font-size: 1rem;
  text-align: center;
}
.nav-grid a:hover {
  background: #184c70;
  color: #e9b675;
}
.nav-grid span {
  width: 25px;
  height: 25px;
  color: #e2a35e;
}
.nav-grid svg,
.theme-icon svg,
.support-icon svg,
.abstract-call svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.menu-button {
  display: none;
}
.section {
  padding: 92px 7vw;
}
.ivory {
  background: #f5efe4;
}
.sand {
  background: #dec7aa;
}
.blue {
  background: linear-gradient(145deg, #071a2c, #103d5c);
  color: #f8f1e8;
}
.section-tag {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 1.5rem;
  font-weight: bold;
  color: #9b6334;
  margin-bottom: 12px;
}
.section-tag.warm {
  color: #e7aa62;
}
.section h2 {
  font-family: Georgia, serif;
  font-size: clamp(2.8rem, 4.8vw, 4rem);
  line-height: 1.03;
  margin: 0 0 38px;
}
.section h3 {
  font-family: Georgia, serif;
}
.intro-grid {
  display: grid;
}
.pullquote {
  font-family: Georgia, serif;
  font-size: clamp(1.9rem, 3.1vw, 3.3rem);
  line-height: 1.18;
  color: #26536f;
  margin: 0;
}
.copy {
  font-size: 1.6rem;
}
.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 55px;
  border-top: 1px solid #c4b195;
  border-bottom: 1px solid #c4b195;
}
.facts div {
  padding: 24px;
  border-right: 1px solid #c4b195;
}
.facts div:last-child {
  border: 0;
}
.facts strong {
  display: block;
  font-family: Georgia, serif;
  font-size: 2.05rem;
  color: #a66f3d;
}
.facts span {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
}
.theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.theme-grid article {
  padding: 30px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.15);
  min-height: 260px;
}
.theme-grid article:hover {
  border-color: #c98747;
  transform: translateY(-3px);
  transition: 0.2s;
}
.theme-icon,
.support-icon {
  width: 43px;
  height: 43px;
  color: #edb46f;
}
.theme-grid h3 {
  font-size: 1.55rem;
  color: #efbd78;
}
.theme-grid p,
.blue p {
  color: #d4dde4;
}
.program-grid,
.venue-grid,
.registration-grid,
.support-grid,
.committee-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5vw;
}
.support-grid {
  grid-template-columns: 1fr 1fr 1fr;
}
.venue-grid {
  grid-template-columns: 1fr 1.5fr;
}
.lead {
  font-family: Georgia, serif;
  font-size: 1.34rem;
}
.feature-list li,
.review-card li {
  margin: 12px 0;
}
.review-card {
  background: #0d3553;
  color: #fff;
  border-top: 5px solid #b9763d;
  padding: 31px;
}
.review-card h3 {
  font-size: 1.9rem;
  color: #edb46f;
}
.abstract-call {
  display: flex;
  gap: 20px;
  align-items: center;
  background: #f5efe4;
  border-left: 5px solid #a86c36;
  padding: 28px;
  margin-top: 48px;
}
.abstract-call > div {
  width: 42px;
  color: #a86c36;
}
.venue-grid img {
  width: 100%;
  height: 100%;
  max-height: 800px;
  object-fit: cover;
  box-shadow: 0 14px 32px rgba(38, 53, 66, 0.15);
}
.cn {
  font-size: 2rem;
  color: #a66f3d;
  font-weight: bold;
}
.text-link {
  display: inline-block;
  color: #945d2b;
  font-weight: bold;
  margin-top: 12px;
}
.rates {
  margin-top: 58px;
}
.rates h3 {
  font-size: 2rem;
}
.rate-row {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 0.7fr;
  padding: 17px 0;
  border-bottom: 1px solid #d6c2a6;
}
.rate-row.head {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  color: #6f6f6a;
}
.note,
.placeholder {
  font-size: 0.8rem;
  color: #79838d;
}
.placeholder {
  font-size: 1rem;
}
.deadline {
  border-left: 5px solid #db9a4d;
  padding: 14px 20px;
  margin: 25px 0;
}
.deadline span {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.75rem;
  color: #b8c3cc;
}
.deadline strong {
  font-family: Georgia, serif;
  font-size: 1.85rem;
  color: #efbc79;
}
.button {
  display: inline-block;
  background: #c88243;
  color: #071728;
  font-weight: bold;
  padding: 14px 22px;
}
.form-card {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.16);
}
.form-card h3,
.fee-grid h3,
.support-grid h3,
.committee-grid h3 {
  font-size: 1.75rem;
}
.form-card li {
  margin: 10px 0;
}
.fee-grid {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 20px;
  margin-top: 46px;
}
.fee-grid article {
  padding: 27px;
  background: rgba(255, 255, 255, 0.05);
  border-top: 2px solid #c88243;
}
.support-grid article {
  background: #f5efe4;
  padding: 31px;
  border-top: 5px solid #a86c36;
}
.conduct-copy {
  margin-left: auto;
}
.email {
  color: #efb66d;
  font-weight: bold;
}
footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 25px 7vw;
  background: #03101c;
  color: #c2cdd5;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
@media (max-width: 1050px) {
  .nav-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .intro-grid,
  .program-grid,
  .venue-grid,
  .registration-grid,
  .support-grid,
  .committee-grid {
    grid-template-columns: 1fr;
  }
  .theme-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .conduct-copy {
    margin: 0;
  }
}
@media (max-width: 650px) {
  .menu-button {
    display: block;
    width: 100%;
    border: 0;
    background: #0e3554;
    color: #fff;
    padding: 13px;
    font-weight: bold;
  }
  .nav-grid {
    display: none;
    grid-template-columns: 1fr 1fr;
  }
  .nav-grid.open {
    display: grid;
  }
  .nav-grid a {
    min-height: 65px;
  }
  .section {
    padding: 68px 6vw;
  }
  .theme-grid {
    grid-template-columns: 1fr;
  }
  .facts {
    grid-template-columns: 1fr 1fr;
  }
  .facts div:nth-child(2) {
    border-right: 0;
  }
  
  .rate-row {
    grid-template-columns: 1fr;
  }
  .rate-row.head {
    display: none;
  }
  .fee-grid {
    grid-template-columns: 1fr;
  }
  footer {
    flex-direction: column;
  }
}


.intro-grid p {
  font-size: 1rem;
}

.form-or {
  display: inline-block;
  margin: 0 14px;
  color: #efb66d;
}

.facts-wrapper h3 {
  color: #a66f3d;
}

.code {
  margin-top: 80px;
  max-width: 640px;
}

.code p {
  margin-block-start: 0;
  margin-block-end: 0;
  font-size: 0.8rem;
  color: #d4dde4;
}