:root {
  --ink: #14231c;
  --ink-soft: #3d5248;
  --paper: #f7f3ea;
  --paper-2: #ebe4d4;
  --forest: #1f5a42;
  --forest-deep: #123528;
  --gold: #c7892b;
  --gold-soft: #e8c27a;
  --mist: rgba(255, 255, 255, 0.12);
  --max: 1120px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #dfead8 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #f0e2c4 0%, transparent 45%),
    var(--paper);
  line-height: 1.6;
}

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

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

.wrap {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
}

.narrow {
  width: min(760px, calc(100% - 2.5rem));
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(247, 243, 234, 0.85);
  border-bottom: 1px solid rgba(20, 35, 28, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a:not(.nav-cta):hover {
  color: var(--forest);
}

.nav-cta {
  background: var(--forest);
  color: #fff;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
}

/* Hero */
.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
  color: #fff;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 53, 40, 0.25) 0%, rgba(18, 53, 40, 0.72) 55%, rgba(18, 53, 40, 0.92) 100%),
    url("https://images.unsplash.com/photo-1529156069898-49953e39b3ac?auto=format&fit=crop&w=1800&q=80")
      center/cover no-repeat;
  transform: scale(1.04);
  animation: hero-drift 18s ease-in-out infinite alternate;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 5.5rem 0 4.5rem;
  max-width: 760px;
  margin-left: max(calc((100% - var(--max)) / 2), 1.25rem);
  margin-right: auto;
  width: min(760px, calc(100% - 2.5rem));
  animation: rise 900ms ease both;
}

.brand-mark {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin: 0 0 0.85rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
  max-width: 12ch;
}

.hero-lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  max-width: 38ch;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 1.75rem;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--gold);
  color: #1a1408;
}

.btn-primary:hover {
  background: #d99a3a;
}

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #fff;
  background: var(--mist);
}

.btn-lg {
  min-height: 56px;
  padding-inline: 1.6rem;
  font-size: 1.05rem;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(31, 90, 66, 0.06), rgba(31, 90, 66, 0.02));
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--forest);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

.section p {
  color: var(--ink-soft);
  margin: 0 0 1rem;
}

.split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: start;
}

.event-facts {
  background: var(--forest-deep);
  color: #fff;
  padding: 1.6rem 1.5rem;
  border-radius: 1.25rem;
  animation: rise 1000ms ease both;
  animation-delay: 120ms;
}

.event-facts h3 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.event-facts ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.event-facts li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.95rem;
}

.event-facts span {
  color: rgba(255, 255, 255, 0.7);
}

.event-facts strong {
  text-align: right;
  font-weight: 600;
}

.learn-list,
.audience {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.learn-list li,
.audience li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--ink-soft);
}

.learn-list li::before,
.audience li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--gold);
}

/* Speakers */
.speakers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.speaker h3 {
  margin: 1rem 0 0.2rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.speaker .role {
  color: var(--forest);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.speaker-photo {
  aspect-ratio: 4 / 5;
  border-radius: 1.1rem;
  background-size: cover;
  background-position: center;
}

.photo-a {
  background-image: linear-gradient(180deg, rgba(18, 53, 40, 0.15), rgba(18, 53, 40, 0.35)),
    url("https://images.unsplash.com/photo-1573496359142-b8d87734a5a2?auto=format&fit=crop&w=800&q=80");
}

.photo-b {
  background-image: linear-gradient(180deg, rgba(18, 53, 40, 0.15), rgba(18, 53, 40, 0.35)),
    url("https://images.unsplash.com/photo-1580489944761-15a19d654956?auto=format&fit=crop&w=800&q=80");
}

.photo-c {
  background-image: linear-gradient(180deg, rgba(18, 53, 40, 0.15), rgba(18, 53, 40, 0.35)),
    url("https://images.unsplash.com/photo-1551836022-d5d88e9218df?auto=format&fit=crop&w=800&q=80");
}

/* Agenda */
.agenda {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.agenda li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(20, 35, 28, 0.12);
}

.agenda time {
  font-weight: 700;
  color: var(--forest);
}

.agenda h3 {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
}

.agenda p {
  margin: 0;
}

/* Register */
.register {
  background:
    radial-gradient(700px 300px at 20% 0%, rgba(199, 137, 43, 0.18), transparent 60%),
    linear-gradient(180deg, #163528, #0f241c);
  color: #fff;
}

.register .eyebrow {
  color: var(--gold-soft);
}

.register h2,
.register p {
  color: #fff;
}

.register p {
  max-width: 52ch;
  color: rgba(255, 255, 255, 0.88);
}

.register-inner {
  text-align: center;
  display: grid;
  justify-items: center;
}

.note {
  font-weight: 600;
  margin-bottom: 1.5rem !important;
}

.fineprint {
  margin-top: 0.9rem !important;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55) !important;
}

/* Footer */
.site-footer {
  background: #0d1c16;
  color: rgba(255, 255, 255, 0.78);
  padding: 2.2rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-footer strong {
  display: block;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.site-footer p {
  margin: 0;
  font-size: 0.92rem;
}

.footer-meta {
  text-align: right;
}

/* Motion */
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-drift {
  from {
    transform: scale(1.04) translateY(0);
  }
  to {
    transform: scale(1.08) translateY(-1.5%);
  }
}

/* Responsive */
@media (max-width: 900px) {
  .split,
  .speakers {
    grid-template-columns: 1fr;
  }

  .nav a:not(.nav-cta) {
    display: none;
  }

  .agenda li {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .footer-meta {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
