@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&family=Prata&display=swap');

:root {
  --ink: #10261f;
  --paper: #f4f0e7;
  --gold: #f3d38f;
  --rust: #a64d31;
  --muted: #6e756e;
  --line: rgba(255, 255, 255, 0.22);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Manrope", Arial, sans-serif;
}

a { color: inherit; }

::selection { background: var(--gold); color: var(--ink); }

.site-header {
  position: absolute;
  z-index: 10;
  inset: 0 0 auto;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px, 6vw, 96px);
  color: white;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 50%;
  color: var(--gold);
  font: 400 16px/1 "Prata", Georgia, serif;
}

.nav { display: flex; gap: 32px; }

.nav a {
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  opacity: 0.82;
  transition: opacity 180ms ease;
}

.nav a:hover, .nav a:focus-visible { opacity: 1; }

.header-cta {
  display: none;
  padding: 10px 15px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: 760px;
  height: 100svh;
  overflow: hidden;
  display: grid;
  align-items: end;
  color: white;
}

.hero-image,
.hero-shade,
.hero-grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image { z-index: -3; object-fit: cover; object-position: 52% 50%; }

.hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(8, 25, 21, 0.9) 0%, rgba(8, 25, 21, 0.62) 50%, rgba(8, 25, 21, 0.18) 100%),
    linear-gradient(0deg, rgba(8, 25, 21, 0.42), transparent 55%);
}

.hero-grid {
  z-index: -1;
  background-image: linear-gradient(90deg, transparent calc(50% - 0.5px), var(--line) 50%, transparent calc(50% + 0.5px));
  opacity: 0.55;
}

.hero-content {
  width: min(1320px, 100%);
  margin: 0 auto;
  padding: 156px clamp(24px, 6vw, 96px) clamp(68px, 9vh, 108px);
}

.eyebrow {
  margin: 0 0 24px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

h1 {
  max-width: 880px;
  margin: 0;
  font: 400 clamp(70px, 10.3vw, 156px)/0.84 "Prata", Georgia, serif;
  letter-spacing: -0.055em;
}

.hero-kicker {
  max-width: 660px;
  margin: 26px 0 0;
  font-size: clamp(18px, 2vw, 27px);
  line-height: 1.38;
}

.event-facts {
  display: flex;
  gap: 52px;
  margin-top: 38px;
}

.event-facts div { display: grid; gap: 4px; }
.event-facts span { font: 400 24px/1.2 "Prata", Georgia, serif; }
.event-facts small { font-size: 13px; opacity: 0.7; }

.hero-actions { display: flex; gap: 12px; margin-top: 34px; }

.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 26px;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--gold); color: var(--ink); }
.button-ghost { border-color: rgba(255, 255, 255, 0.56); color: white; }
.button-ghost:hover { background: white; color: var(--ink); }

.hero-note {
  position: absolute;
  right: clamp(24px, 6vw, 96px);
  bottom: clamp(72px, 10vh, 118px);
  padding-left: 44px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  opacity: 0.78;
}

.section {
  padding: 120px clamp(24px, 6vw, 96px);
}

.section-label {
  margin: 0 0 18px;
  color: var(--rust);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section h2 {
  margin: 0;
  font: 400 clamp(42px, 5.2vw, 76px)/1.03 "Prata", Georgia, serif;
  letter-spacing: -0.04em;
}

.intro {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: clamp(48px, 8vw, 130px);
  max-width: 1440px;
  margin: 0 auto;
  padding-top: 148px;
  padding-bottom: 148px;
}

.section-index {
  position: absolute;
  top: 44px;
  left: clamp(24px, 6vw, 96px);
  color: var(--muted);
  font-size: 12px;
}

.intro-copy h2 { max-width: 780px; }

.intro-text {
  align-self: end;
  padding-bottom: 4px;
  color: #3a4943;
  font-size: 17px;
  line-height: 1.75;
}

.intro-text p { margin: 0; }
.intro-text p + p { margin-top: 22px; }

.directions {
  background: var(--ink);
  color: white;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 48px;
  align-items: end;
  max-width: 1248px;
  margin: 0 auto 72px;
}

.section-head > p {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 16px;
  line-height: 1.65;
}

.directions .section-label { color: var(--gold); }

.direction-list {
  max-width: 1248px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.direction-list li {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.direction-list span { color: var(--gold); font-size: 13px; }

.direction-list p {
  max-width: 980px;
  margin: 0;
  font: 400 clamp(21px, 2.3vw, 32px)/1.35 "Prata", Georgia, serif;
}

.speakers {
  max-width: 1440px;
  margin: 0 auto;
}

.speakers-head > p { color: var(--muted); }

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(16, 38, 31, 0.22);
  border-left: 1px solid rgba(16, 38, 31, 0.22);
}

.speaker-card {
  min-height: 350px;
  display: flex;
  flex-direction: column;
  padding: 30px;
  border-right: 1px solid rgba(16, 38, 31, 0.22);
  border-bottom: 1px solid rgba(16, 38, 31, 0.22);
}

.speaker-no { color: var(--rust); font-size: 12px; }

.speaker-card h3 {
  margin: 36px 0 8px;
  font: 400 clamp(25px, 2.3vw, 34px)/1.14 "Prata", Georgia, serif;
  letter-spacing: -0.025em;
}

.speaker-card h3 em { color: var(--rust); font-size: 0.6em; font-style: italic; }

.speaker-meta {
  margin: 0;
  color: var(--rust);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.speaker-card > p:last-child {
  margin: auto 0 0;
  padding-top: 28px;
  color: #4b5752;
  font-size: 15px;
  line-height: 1.55;
}

.participation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(480px, 0.9fr);
  gap: clamp(64px, 10vw, 160px);
  background: #ead7b1;
}

.participation-main { max-width: 660px; }
.participation-main h2 { max-width: 650px; }

.participation-lead {
  max-width: 580px;
  margin: 28px 0 32px;
  color: #34433d;
  font-size: 18px;
  line-height: 1.65;
}

.button-dark { background: var(--ink); color: white; }
.button-dark:hover { background: var(--rust); }

.support { margin: 22px 0 0; font-size: 13px; color: #59625d; }
.support a { text-underline-offset: 4px; }

.participation-facts { border-top: 1px solid rgba(16, 38, 31, 0.28); }

.participation-facts article {
  display: grid;
  grid-template-columns: 110px 1fr;
  column-gap: 26px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(16, 38, 31, 0.28);
}

.participation-facts span {
  grid-row: 1 / span 2;
  color: var(--rust);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.participation-facts strong { font: 400 24px/1.2 "Prata", Georgia, serif; }
.participation-facts p { margin: 8px 0 0; color: #4b5752; font-size: 14px; line-height: 1.5; }

.organizers {
  max-width: 1440px;
  margin: 0 auto;
}

.organizer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 38px;
  border-top: 1px solid rgba(16, 38, 31, 0.22);
  border-left: 1px solid rgba(16, 38, 31, 0.22);
}

.organizer-grid p {
  min-height: 170px;
  margin: 0;
  padding: 26px;
  border-right: 1px solid rgba(16, 38, 31, 0.22);
  border-bottom: 1px solid rgba(16, 38, 31, 0.22);
  font: 400 19px/1.45 "Prata", Georgia, serif;
}

.organizer-note { margin: 22px 0 0; color: var(--muted); font-size: 13px; }

.footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 56px;
  padding: 72px clamp(24px, 6vw, 96px);
  background: #0b1c17;
  color: white;
}

.footer p { margin: 0; color: rgba(255, 255, 255, 0.58); font-size: 13px; }

.footer-mark {
  margin-bottom: 16px !important;
  color: var(--gold) !important;
  font: 400 35px/1 "Prata", Georgia, serif !important;
}

.footer-contact, .footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-contact span { margin-bottom: 8px; color: rgba(255, 255, 255, 0.48); font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; }
.footer a { text-decoration-color: rgba(255, 255, 255, 0.3); text-underline-offset: 5px; }

@media (max-width: 760px) {
  .site-header { height: 72px; padding-inline: 20px; }
  .nav { display: none; }
  .header-cta { display: inline-flex; }
  .hero { min-height: 700px; }
  .hero-image { object-position: 64% 50%; }
  .hero-shade { background: linear-gradient(90deg, rgba(8, 25, 21, 0.91), rgba(8, 25, 21, 0.48)); }
  .hero-grid, .hero-note { display: none; }
  .hero-content { padding: 126px 20px 46px; }
  h1 { font-size: clamp(62px, 20vw, 92px); }
  .hero-kicker { max-width: 500px; }
  .event-facts { gap: 28px; flex-wrap: wrap; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .section { padding: 84px 20px; }
  .intro { grid-template-columns: 1fr; gap: 36px; padding-top: 110px; }
  .section-index { top: 34px; left: 20px; }
  .intro-text { font-size: 16px; }
  .section-head { grid-template-columns: 1fr; gap: 24px; margin-bottom: 48px; }
  .direction-list li { grid-template-columns: 44px minmax(0, 1fr); gap: 12px; }
  .speaker-grid { grid-template-columns: 1fr; }
  .speaker-card { min-height: 300px; padding: 26px; }
  .speaker-card h3 { font-size: 30px; }
  .participation { grid-template-columns: 1fr; gap: 58px; }
  .participation-facts article { grid-template-columns: 92px 1fr; column-gap: 18px; }
  .organizer-grid { grid-template-columns: 1fr; }
  .organizer-grid p { min-height: 130px; }
  .footer { grid-template-columns: 1fr; gap: 38px; }
}

@media (min-width: 761px) and (max-width: 1080px) {
  .speaker-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .participation { grid-template-columns: 1fr; }
  .organizer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}