:root {
  --navy: #1b2a4a;
  --navy-deep: #152a2c;
  --ink: #171717;
  --muted: #5c5247;
  --cream: #faf8f5;
  --taupe: #f1ece4;
  --line: #ded6c9;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(27, 42, 74, 0.08);
  --heading: "Cormorant Garamond", Georgia, serif;
  --body: "Source Sans 3", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  padding: 20px clamp(24px, 6vw, 72px);
  border-bottom: 1px solid rgba(222, 214, 201, 0.72);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  color: var(--navy);
  font-family: var(--heading);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 0.9;
  white-space: nowrap;
}

.brand-script {
  font-style: italic;
  font-size: clamp(2.1rem, 4vw, 3.15rem);
}

.brand-rest {
  margin-left: 6px;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.desktop-nav a {
  transition: color 160ms ease;
}

.desktop-nav a:hover {
  color: var(--navy);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.mobile-nav {
  display: none;
  position: sticky;
  top: 92px;
  z-index: 19;
  padding: 6px 24px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.mobile-nav.open {
  display: grid;
  gap: 10px;
}

.mobile-nav a {
  padding: 8px 0;
  color: var(--muted);
  font-weight: 600;
}

.hero {
  min-height: calc(100vh - 92px);
  display: grid;
  align-items: center;
  padding: clamp(68px, 10vw, 120px) clamp(24px, 6vw, 80px);
  overflow: hidden;
}

.section-cream {
  background:
    radial-gradient(circle at 76% 12%, rgba(222, 214, 201, 0.4) 0 1px, transparent 2px),
    linear-gradient(90deg, transparent 0 48%, rgba(222, 214, 201, 0.35) 48% 48.3%, transparent 48.3%),
    var(--cream);
}

.section-taupe {
  background: var(--taupe);
}

.hero-inner {
  max-width: 780px;
}

.section-label,
.panel-title,
.credential,
.footer-contact p {
  margin: 0 0 26px;
  color: var(--navy);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--heading);
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.05;
}

h1 {
  max-width: 760px;
  font-size: clamp(3.45rem, 7.2vw, 6.45rem);
}

h2 {
  font-size: clamp(2.55rem, 5vw, 4.35rem);
}

.hero-copy,
.section p,
.final-cta p {
  max-width: 740px;
  color: var(--muted);
}

.hero-copy {
  margin: 34px 0 46px;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.button {
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  padding: 15px 28px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

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

.button-primary {
  color: var(--white);
  background: var(--navy);
}

.button-secondary {
  color: var(--navy);
  border-color: var(--navy);
  background: transparent;
}

.button-light {
  color: var(--navy);
  background: var(--white);
}

.button-outline-light {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.7);
  background: transparent;
}

.compact {
  margin-top: 18px;
}

.section {
  padding: clamp(78px, 10vw, 140px) clamp(24px, 6vw, 80px);
}

.narrow {
  max-width: 920px;
}

.narrow p,
.split p,
.form-grid p {
  margin: 32px 0 0;
  font-size: clamp(1.05rem, 1.8vw, 1.24rem);
}

.conference-title {
  font-size: clamp(2.35rem, 4.2vw, 3.95rem);
}

.rule {
  width: 112px;
  height: 2px;
  margin: 28px 0 0;
  background: var(--navy);
}

.copy-list {
  display: grid;
  gap: 14px;
  max-width: 780px;
  margin: 32px 0 0;
  padding: 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.6vw, 1.16rem);
  list-style: none;
}

.copy-list li {
  position: relative;
  padding-left: 22px;
}

.copy-list li::before {
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--navy);
  content: "";
}

.compact-list {
  margin-top: 24px;
  font-size: 1rem;
}

.compact-list + .button {
  margin-top: 24px;
}

.compact-list + .button.compact {
  margin-top: 24px;
}


.split {
  display: grid;
  max-width: 1180px;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 460px);
  gap: clamp(40px, 8vw, 100px);
  align-items: start;
}

.details-panel {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
  box-shadow: var(--shadow);
}

.details-panel dl {
  margin: 0;
  padding: 22px 42px 30px;
}

.details-panel div {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.details-panel div:last-child {
  border-bottom: 0;
}

.details-panel dt {
  color: var(--muted);
}

.details-panel dd {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  text-align: right;
}

.panel-title {
  margin: 0;
  padding: 34px 42px 0;
}

.form-grid {
  display: grid;
  max-width: 1180px;
  grid-template-columns: minmax(0, 0.86fr) minmax(340px, 1fr);
  gap: clamp(40px, 8vw, 96px);
  align-items: start;
}

.signup-form {
  display: grid;
  gap: 20px;
}

.signup-form label {
  display: block;
  color: var(--ink);
  font-size: 0.96rem;
  font-weight: 700;
}

.label-text {
  display: inline-block;
}

.label-text span {
  color: var(--navy);
}

input,
select,
textarea {
  width: 100%;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
  color: var(--ink);
  font: inherit;
  min-height: 58px;
  padding: 14px 18px;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(27, 42, 74, 0.32);
  outline-offset: 2px;
}

.honeypot {
  position: absolute;
  left: -9999px;
}

.form-message {
  margin: 0;
  min-height: 28px;
  color: var(--navy);
  font-weight: 700;
}

.form-message.error {
  color: #7b1f1f;
}

.success-card {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 34px;
  box-shadow: var(--shadow);
}

.success-card h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-family: var(--heading);
  font-size: 2rem;
}

.credential {
  margin-top: 32px;
  margin-bottom: 0;
}

.final-cta {
  padding: clamp(74px, 10vw, 120px) clamp(24px, 6vw, 80px);
  color: var(--white);
  background: var(--navy);
  text-align: center;
}

.final-cta .narrow {
  margin: 0 auto;
}

.final-cta h2 {
  color: var(--white);
}

.centered {
  justify-content: center;
  margin-top: 36px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding: 54px clamp(24px, 6vw, 80px);
  color: rgba(255, 255, 255, 0.74);
  background: var(--navy);
}

.footer-domain {
  margin: 0 0 16px;
  color: var(--white);
  font-family: var(--heading);
  font-size: clamp(1.45rem, 4vw, 2rem);
  overflow-wrap: anywhere;
}

.footer-copy {
  margin: 0;
}

.footer-contact {
  display: grid;
  gap: 8px;
}

.footer-contact p {
  color: var(--white);
  margin-bottom: 4px;
}

.footer-contact a:hover {
  color: var(--white);
}

@media (max-width: 900px) {
  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .hero {
    min-height: auto;
    padding-top: 74px;
  }

  .button-row,
  .button {
    width: 100%;
  }

  .split,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    display: grid;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .site-header {
    min-height: 78px;
    padding: 16px 20px;
  }

  .brand-script {
    font-size: 2rem;
  }

  .brand-rest {
    font-size: 1.12rem;
  }

  .mobile-nav {
    top: 78px;
  }

  h1 {
    font-size: 3.28rem;
  }

  h2 {
    font-size: 2.55rem;
  }

  .section,
  .hero,
  .final-cta {
    padding-left: 22px;
    padding-right: 22px;
  }

  .details-panel dl,
  .panel-title {
    padding-left: 24px;
    padding-right: 24px;
  }
}