:root {
  color-scheme: dark;
  --bg: #16181c;
  --panel: #22252b;
  --dark-glow: radial-gradient(ellipse at top, #292c32, #111214 65%);
  --panel-glow: radial-gradient(ellipse at top, #292c32, #22252b 65%);
  --paper: #eef0f3;
  --ink: #202329;
  --white: #f7f8fa;
  --silver: #c9cdd4;
  --muted: #b6bcc6;
  --line: #454b55;
  --display: Georgia, "Times New Roman", serif;
  --sticky-space: calc(6.5rem + env(safe-area-inset-bottom, 0px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-bottom: var(--sticky-space);
}

body {
  margin: 0;
  padding-bottom: var(--sticky-space);
  background: var(--dark-glow);
  color: var(--white);
  font:
    16px / 1.6 Arial,
    Helvetica,
    sans-serif;
}

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

a {
  color: inherit;
  text-underline-offset: 0.22em;
}

:focus-visible {
  outline: 3px solid #86bfff;
  outline-offset: 5px;
}

.wrap {
  width: min(100% - 2rem, 1160px);
  margin-inline: auto;
}

section[id] {
  scroll-margin-top: 1.5rem;
}

.skip-link {
  position: absolute;
  top: -5rem;
  left: 1rem;
  z-index: 5;
  padding: 0.75rem 1rem;
  background: var(--white);
  color: var(--ink);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 80px;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 44px;
  flex-shrink: 0;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.3;
  text-decoration: none;
}

.wordmark span {
  display: block;
  font-weight: 400;
  letter-spacing: 0.2em;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  column-gap: 1.1rem;
}

.site-header nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.8rem;
  text-decoration: none;
}

h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.08;
}

h1 {
  font-size: clamp(2.45rem, 6.7vw, 5.4rem);
  letter-spacing: -0.05em;
}

h2 {
  font-size: clamp(2.3rem, 4.8vw, 4.1rem);
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.025em;
}

h4 {
  margin-top: 1rem;
  font-size: 1rem;
  line-height: 1.4;
}

em {
  color: var(--silver);
  font-weight: 400;
}

.eyebrow {
  margin-bottom: 1.2rem;
  color: var(--silver);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  gap: 1.25rem;
  padding-block: 2rem 2.5rem;
  text-align: left;
}

.hero-logo {
  width: min(220px, 100%);
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 50%;
  justify-self: center;
}

.hero-copy {
  max-width: 44rem;
  min-width: 0;
}

.hero h1 {
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.lead {
  max-width: 33rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
}

.hero-details {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1.5rem;
  margin-top: 1.5rem;
}

.hero-date {
  color: var(--silver);
  font-size: 0.9rem;
  line-height: 1.5;
}

.hero-location {
  color: var(--silver);
  font-size: 0.9rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.4rem;
  margin-top: 1.4rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  border-radius: 4px;
  font:
    700 1rem / 1.4 Arial,
    Helvetica,
    sans-serif;
  text-decoration: none;
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.primary {
  background: var(--silver);
  color: var(--ink);
}

.primary:hover {
  background: var(--white);
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.availability {
  max-width: 33rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

@media (max-width: 699px) {
  .hero .lead {
    margin-top: 0.75rem;
    font-size: 0.95rem;
  }

  .hero-details {
    margin-top: 1rem;
  }

  .hero .cta-row {
    margin-top: 1rem;
    column-gap: 1rem;
  }
}

.light-section {
  color-scheme: light;
  background: var(--paper);
  color: var(--ink);
}

.light-section .eyebrow,
.light-section em {
  color: #555b65;
}

.section-space,
.intro {
  padding-block: 3.5rem;
}

.intro-layout,
.agenda-layout,
.price-layout,
.contact,
.principal-grid,
.guest-grid {
  display: grid;
  gap: 2rem;
}

.intro-copy > p {
  font-size: 1.1rem;
}

.intent-list {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 0;
  padding-left: 1.2rem;
}

.section-heading {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
}

.section-heading h2 {
  margin-bottom: 0;
}

.section-heading > p,
.section-intro {
  max-width: 30rem;
  color: var(--muted);
}

.light-section .section-heading > p {
  color: #555b65;
}

.speaker {
  min-width: 0;
}

.portrait-frame {
  overflow: hidden;
  background: var(--panel-glow);
  border: 1px solid #33363b;
}

.portrait {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 15%;
}

.speaker-info {
  padding-block: 1.5rem 0.5rem;
}

.speaker-info .eyebrow {
  margin-bottom: 0.75rem;
}

.speaker-info > p:last-child {
  margin-top: 0.7rem;
  max-width: 32rem;
  color: var(--muted);
}

.guest {
  min-width: 0;
  background: #fff;
  border: 1px solid #c8cbd0;
}

.guest-portrait {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center top;
}

.guest-info {
  padding: 1.5rem;
}

.guest-info h3 {
  font-size: 1.9rem;
}

.guest-info > p:last-child {
  color: #555b65;
  margin-top: 0.8rem;
}

.fine-print {
  margin-top: 1.2rem;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
}

.agenda-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.agenda-list li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 1rem;
  padding-block: 1.2rem;
  border-bottom: 1px solid var(--line);
}

.flow-index {
  font-size: 0.8rem;
  color: var(--silver);
}

.agenda-list h3 {
  font:
    700 1rem / 1.5 Arial,
    Helvetica,
    sans-serif;
  letter-spacing: 0;
}

.agenda-list p {
  color: var(--muted);
  margin-top: 0.35rem;
  font-size: 0.9rem;
}

.price-card {
  padding: 1.5rem;
  color: var(--white);
  background: var(--dark-glow);
  border: 1px solid var(--line);
}

.price-card .eyebrow {
  color: var(--silver);
}

.price-card h2 {
  font-size: clamp(2.6rem, 5vw, 4rem);
  margin-bottom: 0.75rem;
}

.price-caption {
  color: var(--muted);
}

.payment-breakdown {
  margin-block: 1.75rem;
}

.payment-breakdown div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  padding-block: 0.8rem;
  border-bottom: 1px solid var(--line);
}

.payment-breakdown dt {
  color: var(--muted);
  font-size: 0.85rem;
}

.payment-breakdown dd {
  margin: 0;
  font-weight: 700;
}

.price-card .button {
  width: 100%;
}

.benefits {
  padding-block: 1rem;
}

.benefits h3 {
  max-width: 26rem;
}

.benefit-list {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.benefit-list li {
  padding: 0.9rem 0 0.9rem 1.8rem;
  border-bottom: 1px solid #c8cbd0;
  position: relative;
}

.benefit-list li::before {
  position: absolute;
  left: 0;
  content: "✓";
  font-weight: 700;
}

.benefits .fine-print {
  color: #555b65;
}

.faq-list {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
}

details {
  border-bottom: 1px solid var(--line);
}

summary {
  min-height: 48px;
  padding: 1.2rem 0.25rem;
  cursor: pointer;
  font-weight: 700;
}

details p {
  max-width: 50rem;
  padding: 0 0.25rem 1.4rem;
  color: var(--muted);
}

.closing {
  padding-block: 4rem;
  background: var(--panel-glow);
  border-block: 1px solid var(--line);
  text-align: center;
}

.closing-inner {
  max-width: 760px;
}

.closing .button {
  margin-top: 1.5rem;
  min-width: 200px;
}

.contact > div > p:last-child {
  max-width: 32rem;
  color: var(--muted);
}

.contact-links {
  display: grid;
  gap: 1rem;
  align-content: start;
  min-width: 0;
}

.contact-link {
  display: grid;
  gap: 0.3rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  background: var(--panel-glow);
  text-decoration: none;
  font-weight: 700;
}

.contact-link > span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 400;
}

.contact-links .text-link {
  overflow-wrap: anywhere;
  display: block;
  padding-block: 0.5rem;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
}

.mobile-cta {
  position: fixed;
  inset: auto 0 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.8rem 1rem calc(0.8rem + env(safe-area-inset-bottom, 0px));
  background: var(--dark-glow);
  border-top: 1px solid var(--line);
}

.mobile-cta > div {
  display: grid;
  font-size: 0.6rem;
  line-height: 1.5;
  letter-spacing: 0.025em;
}

.mobile-cta > div > span {
  font-size: 0.75rem;
  color: var(--muted);
}

.mobile-cta .button {
  padding-inline: 1rem;
  font-size: 0.9rem;
  flex-shrink: 0;
}

@media (min-width: 700px) {
  .wrap {
    width: min(100% - 4rem, 1160px);
  }

  .hero {
    padding-block: 2.5rem 3.5rem;
  }

  .principal-grid,
  .intro-layout,
  .price-layout,
  .agenda-layout,
  .contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3rem;
  }

  .guest-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .guest-info {
    padding: 1.2rem;
  }

  .guest-info h3 {
    font-size: 1.65rem;
  }

  .section-space,
  .intro {
    padding-block: 5rem;
  }

  .section-heading {
    grid-template-columns: 1.5fr 1fr;
    align-items: end;
    gap: 3rem;
    margin-bottom: 3rem;
  }

  .price-card {
    padding: 2.25rem;
  }
}

@media (min-width: 1000px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 320px);
    align-items: center;
    gap: 3rem;
  }

  .hero-copy {
    grid-column: 1;
    grid-row: 1;
  }

  .hero-logo {
    width: 100%;
    grid-column: 2;
    grid-row: 1;
  }

  :root {
    --sticky-space: 0px;
  }

  .mobile-cta {
    display: none;
  }

  .guest-info h3 {
    font-size: 2rem;
  }
}

@media (max-width: 359px) {
  .site-header {
    gap: 0.4rem;
  }

  .site-header nav {
    column-gap: 0.6rem;
  }

  .site-header nav a {
    font-size: 0.7rem;
  }
}

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

  .button {
    transition: none;
  }
}