:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #687385;
  --paper: #fffaf4;
  --surface: #ffffff;
  --line: #e6ddd3;
  --red: #d92f2f;
  --red-dark: #6c0909;
  --teal: #08a7a5;
  --gold: #f4b757;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  padding-bottom: 94px;
}

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

.page-shell {
  min-height: 100vh;
  overflow: hidden;
}

.hero {
  position: relative;
  min-height: 86vh;
  padding: 28px clamp(20px, 5vw, 72px) 64px;
  background:
    radial-gradient(circle at 76% 24%, rgba(244, 183, 87, 0.2), transparent 30%),
    linear-gradient(115deg, #172033 0%, #2c1619 52%, #d92f2f 100%);
  color: #fff;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 140px;
  background: linear-gradient(180deg, transparent, var(--paper));
  pointer-events: none;
}

.top-bar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  font-weight: 600;
}

.brand img {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  object-fit: cover;
  background: #fff;
}

.brand span {
  font-size: clamp(0.9rem, 1.6vw, 1rem);
}

.nav-cta,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 8px;
  font-weight: 800;
  white-space: nowrap;
}

.nav-cta {
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
}

.whatsapp-cta {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  background-color: #25d366;
  border-radius: 50%;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.22);
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.whatsapp-cta:hover {
  transform: scale(1.1);
}

.whatsapp-cta img {
  display: block;
  width: 36px;
  height: 36px;
  object-fit: contain;
}

@media (max-width: 620px) {
  .whatsapp-cta {
    right: 20px;
    bottom: 160px; /* Position it above the sticky-reserve bar on mobile */
    width: 56px;
    height: 56px;
  }

  .whatsapp-cta img {
    width: 32px;
    height: 32px;
  }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 420px);
  align-items: end;
  gap: clamp(32px, 5vw, 72px);
  max-width: 1180px;
  margin: 96px auto 0;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  max-width: 760px;
  font-size: clamp(3rem, 8vw, 6.9rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.lede {
  max-width: 670px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  line-height: 1.58;
}

.venue-spotlight {
  width: min(100%, 650px);
  margin: 34px 0 26px;
  padding: 24px;
  border-left: 6px solid var(--gold);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
}

.spotlight-label,
.detail-label {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.venue-spotlight strong {
  display: block;
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  line-height: 1.12;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.primary-button {
  background: var(--gold);
  color: #21140a;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.22);
}

.limited {
  color: #fff;
  font-weight: 800;
}

.event-card {
  display: grid;
  gap: 18px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.13);
  backdrop-filter: blur(16px);
}

.event-card div {
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.event-card div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.event-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.45rem;
}

.event-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

.speakers,
.learn-section {
  padding: 76px clamp(20px, 5vw, 72px);
}

.learn-section {
  padding-top: 0;
}

.section-heading {
  max-width: 1100px;
  margin: 0 auto 34px;
}

.section-heading h2,
.closing-band h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4.8vw, 4.2rem);
  line-height: 1.04;
}

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  max-width: 1100px;
  margin: 0 auto;
}

.speaker-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 24px 50px rgba(75, 54, 38, 0.12);
}

.speaker-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.speaker-card:nth-child(1) img {
  object-position: center 26%;
}

.speaker-card:nth-child(2) img {
  object-position: center 20%;
}

.speaker-card:nth-child(3) img {
  object-position: center 18%;
}

.speaker-copy {
  padding: 22px;
}

.speaker-copy h3 {
  margin-bottom: 8px;
  font-size: 1.35rem;
  line-height: 1.18;
}

.role {
  min-height: 74px;
  color: var(--muted);
  line-height: 1.5;
}

.topic {
  margin: 18px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--red-dark);
  font-size: 1.05rem;
  font-weight: 900;
  line-height: 1.35;
}

.learn-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1100px;
  margin: 0 auto;
}

.learn-card {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(75, 54, 38, 0.09);
}

.learn-card.bonus {
  background: #fff6e7;
  border-color: #efc778;
}

.learn-card h3 {
  margin-bottom: 16px;
  color: var(--red-dark);
  font-size: 1.25rem;
}

.learn-card ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.learn-card li {
  position: relative;
  padding-left: 28px;
  color: #394457;
  font-weight: 600;
  line-height: 1.45;
}

.learn-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.32em;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--teal);
}

.learn-card li::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 0.53em;
  width: 6px;
  height: 3px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}

.closing-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 56px clamp(20px, 5vw, 72px);
  background: #172033;
  color: #fff;
}

.closing-band > div {
  max-width: 780px;
}

.primary-button.dark {
  background: #fff;
  color: #172033;
}

footer {
  padding: 24px clamp(20px, 5vw, 72px);
  background: #0f1726;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.92rem;
  line-height: 1.6;
  text-align: center;
}

footer strong {
  color: #fff;
}

.sticky-reserve {
  position: fixed;
  z-index: 20;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(calc(100% - 32px), 760px);
  padding: 12px 12px 12px 22px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(23, 32, 51, 0.94);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
  color: #fff;
  transform: translateX(-50%);
  backdrop-filter: blur(14px);
}

.sticky-reserve span {
  min-width: 0;
  font-weight: 800;
}

.sticky-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 8px;
  background: var(--gold);
  color: #21140a;
  font-weight: 900;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    padding-bottom: 54px;
    background:
      radial-gradient(circle at 76% 20%, rgba(244, 183, 87, 0.18), transparent 34%),
      linear-gradient(145deg, #172033, #6c0909);
  }

  .hero-grid,
  .speaker-grid,
  .learn-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    margin-top: 64px;
  }

  .closing-band {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  body {
    padding-bottom: 128px;
  }

  .top-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand img {
    width: 56px;
    height: 56px;
  }

  .nav-cta,
  .primary-button {
    width: 100%;
  }

  .venue-spotlight,
  .event-card {
    padding: 20px;
  }

  .role {
    min-height: auto;
  }

  .sticky-reserve {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
    bottom: max(12px, env(safe-area-inset-bottom));
    width: calc(100% - 24px);
    padding: 14px;
  }

  .sticky-reserve span {
    text-align: center;
  }

  .sticky-button {
    width: 100%;
  }
}