:root {
  --ink: #15171f;
  --ink-soft: #62667a;
  --gold: #b8924a;
  --gold-dark: #96773a;
  --bg: #ffffff;
  --bg-alt: #f5f4f1;
  --line: #e6e4dd;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(21, 23, 31, 0.08);
  --container: 1140px;
} 

* { box-sizing: border-box; }

@media (prefers-reduced-motion: reduce) {
  .companies-track { animation: none; }
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: 'Poppins', 'Inter', sans-serif;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; }

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Sections offset for sticky header when jumped to via anchor links */
.section, section[id] {
  scroll-margin-top: 40px;
}

.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--ink); color: #fff; }

.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-dark);
  margin-bottom: 12px;
}
.section-eyebrow-light { color: var(--gold); }

.section h2 { font-size: clamp(28px, 3.2vw, 40px); }
.section-lead {
  max-width: 620px;
  color: var(--ink-soft);
  font-size: 17px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary { background: var(--gold); color: #17181f; }
.btn-primary:hover { background: var(--gold-dark); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.35); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-sm { padding: 10px 20px; font-size: 14px; }

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-color: var(--line);
  box-shadow: 0 4px 20px rgba(21, 23, 31, 0.05);
}
.site-header .logo,
.site-header .main-nav a {
  color: #fff;
}
.site-header .main-nav a:hover { color: var(--gold); }
.site-header .logo span { color: var(--gold); }
.site-header.is-scrolled .logo,
.site-header.is-scrolled .main-nav a {
  color: var(--ink-soft);
}
.site-header.is-scrolled .logo { color: var(--ink); }
.site-header.is-scrolled .main-nav a:hover { color: var(--ink); }
.site-header.is-scrolled .logo span { color: var(--gold-dark); }
.site-header:not(.is-scrolled) .header-actions .btn-primary {
  background: var(--gold);
  color: #17181f;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 18px;
}
.logo span { color: var(--gold-dark); }

.main-nav {
  display: flex;
  gap: 32px;
}
.main-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
}
.main-nav a:hover { color: var(--ink); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-actions .btn-primary { background: var(--ink); color: #fff; }
.header-actions .btn-primary:hover { background: var(--gold-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  border: none;
  background: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: background-color 0.25s ease;
}
.site-header.is-scrolled .nav-toggle span { background: var(--ink); }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  padding: 130px 0 40px;
  color: #fff;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(15,16,23,0.94) 0%, rgba(15,16,23,0.82) 45%, rgba(15,16,23,0.55) 100%);
}
.hero-bg-slideshow {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg-slide {
  position: absolute;
  inset: 0;
  background: center 45% / cover no-repeat;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-bg-slide.is-active { opacity: 1; }

.hero-inner {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 760px;
}

.hero h1 {
  font-size: clamp(36px, 5.5vw, 58px);
  margin-bottom: 20px;
}

.hero-lead {
  font-size: 18px;
  color: rgba(255,255,255,0.72);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 32px 0 0;
}

/* Hero meta bar (floating, centered, near hero bottom edge) */
.hero-meta-bar-wrap {
  position: relative;
  z-index: 2;
  margin-top: 32px;
}
.hero-meta-bar {
  max-width: 760px;
  margin: 0 auto;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 24px 44px;
  flex-wrap: wrap;
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
}
.hero-meta-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.6);
  font-weight: 600;
}
.hero-meta-value {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
}
.hero-meta-divider {
  width: 1px;
  height: 34px;
  background: rgba(255,255,255,0.2);
}

/* Attendee companies strip */
.companies-strip {
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
}
.companies-label {
  text-align: center;
  font-size: 18px;
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 44px;
}
.companies-marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.companies-track {
  display: flex;
  align-items: center;
  gap: 16px;
  width: max-content;
  animation: marquee 130s linear infinite;
}
.companies-track:hover { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-6240px); }
}
.company-logo {
  flex: none;
  width: 140px;
  height: 140px;
  border-radius: 10px;
  border: 1px dashed var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 500;
  padding: 8px;
  overflow: hidden;
}
.company-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 6px;
}
.company-logo-real { border-style: solid; }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 64px;
  align-items: start;
}
.about-highlights {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.about-highlights li {
  display: flex;
  align-items: center;
  font-weight: 500;
}
.about-highlights li::before {
  content: "";
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-right: 14px;
  border-radius: 4px;
  background: var(--gold);
}

.about-visual {
  position: sticky;
  top: 104px;
}
.about-image {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* Program */
.program-timeline {
  position: relative;
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  --timeline-offset: 128px;
}
.program-timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: var(--timeline-offset);
  width: 2px;
  background: var(--line);
}
.timeline-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  grid-template-rows: auto auto;
  column-gap: 28px;
  row-gap: 6px;
  padding: 24px 0;
}
.timeline-time {
  grid-column: 1;
  grid-row: 1 / 3;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  line-height: 1;
}
.timeline-time span {
  display: block;
  margin-top: 6px;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 13px;
}
.timeline-marker {
  grid-column: 2;
  grid-row: 1;
  position: relative;
  padding-left: 24px;
  display: flex;
  align-items: center;
  min-height: 15px;
}
.timeline-marker::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px #fff;
  z-index: 2;
}
.timeline-tag {
  display: inline-block;
  font-size: 11px;
  line-height: 1;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gold-dark);
}
.timeline-body {
  grid-column: 2;
  grid-row: 2;
  padding-left: 24px;
}
.timeline-body h3 { font-size: 17px; margin-bottom: 6px; }
.timeline-body p { color: var(--ink-soft); font-size: 15px; margin: 0; }
.timeline-item-break {
  padding: 14px 0;
}
.timeline-item-break .timeline-time { color: var(--ink-soft); font-weight: 500; }
.timeline-item-break .timeline-marker::before { background: var(--ink-soft); }
.timeline-item-break .timeline-tag { color: var(--ink-soft); }
.timeline-item-break .timeline-body h3 { font-size: 15px; font-weight: 600; color: var(--ink-soft); }
.timeline-item-break h3 { font-size: 15px; font-weight: 600; margin-bottom: 0; color: var(--ink-soft); }
.highlight-item h3 { font-size: 15px; margin: 0; }

/* Speakers */
.speaker-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.speaker-card {
  display: block;
  text-align: center;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.speaker-card-placeholder { border-style: dashed; }
.speaker-card-featured {
  display: flex;
  flex-direction: column;
  padding: 0 0 16px;
  overflow: hidden;
  border-color: var(--ink);
  transition: box-shadow 0.15s ease;
}
.speaker-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 20px;
}
.speaker-card-featured .speaker-avatar-img { transition: transform 0.3s ease; }
.speaker-card-featured:hover .speaker-avatar-img { transform: scale(1.06); }
.speaker-avatar {
  width: 100%;
  aspect-ratio: 1 / 1;
  margin: 0 auto 16px;
  border-radius: 8px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
}
.speaker-card-placeholder .speaker-avatar span {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Poppins', sans-serif;
  font-size: 22px;
  color: var(--ink);
}
.speaker-card-featured .speaker-avatar {
  margin: 0 0 16px;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--gold);
  overflow: hidden;
}
.speaker-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.speaker-card h3 { font-size: 16px; margin-bottom: 6px; }
.speaker-card p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.speaker-linkedin {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-dark);
}

/* Video */
.video-block {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
.video-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink);
}
.video-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: var(--ink);
}
.video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  border: none;
  border-radius: 50%;
  background: var(--gold);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 4px;
  font-size: 20px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.video-play:hover { background: var(--gold-dark); }
.video-thumb.is-playing .video-play { display: none; }
.video-thumb.is-playing video { object-fit: contain; }

.video-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(10, 10, 10, 0.92);
  align-items: center;
  justify-content: center;
  padding: 32px;
}
.video-modal.is-open { display: flex; }
.video-modal-content {
  width: 100%;
  max-width: 1100px;
}
.video-modal-content video {
  width: 100%;
  max-height: 85vh;
  border-radius: var(--radius);
  background: var(--ink);
  display: block;
}
.video-modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--gold);
  color: var(--ink);
  font-size: 18px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.video-modal-close:hover { background: var(--gold-dark); }

/* Sponsors */
.section-sponsors { text-align: center; }
.section-sponsors .section-lead { margin-left: auto; margin-right: auto; }
.section-lead-light { color: rgba(255,255,255,0.65); }
.sponsor-grid {
  margin: 40px auto 0;
  max-width: 700px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.sponsor-slot {
  height: 150px;
  border-radius: var(--radius);
  border: 1px dashed rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  justify-content: center;
}
.sponsor-slot span {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Poppins', sans-serif;
  font-size: 22px;
  color: rgba(255,255,255,0.5);
}
.sponsor-divider {
  margin: 56px auto;
  max-width: 200px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.sponsor-row {
  margin-top: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.sponsor-badge {
  width: 150px;
  height: 150px;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sponsor-badge img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  display: block;
}
.sponsor-badge-white {
  background: #fff;
  padding: 8px;
}
.sponsor-badge-white img {
  max-width: 100%;
  max-height: 100%;
}
.sponsor-cta {
  margin-top: 28px;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
}
.sponsor-cta a { color: var(--gold); font-weight: 600; }

/* Pricing */
.pricing-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.pricing-card {
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
}
.pricing-card-featured {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
  position: relative;
}
.pricing-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--gold);
  color: var(--ink);
  margin-bottom: 16px;
}
.pricing-tag-muted { background: var(--bg-alt); color: var(--ink-soft); }
.pricing-card h3 { font-size: 20px; }
.pricing-amount {
  font-family: 'Poppins', sans-serif;
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 4px;
}
.pricing-old-spacer { display: block; visibility: hidden; font-size: 15px; }
.pricing-amount span { font-size: 16px; font-weight: 500; opacity: 0.7; }
.pricing-old {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 500;
  opacity: 0.5;
}
.pricing-note { opacity: 0.75; font-size: 14px; }
.pricing-group {
  font-size: 15px;
  padding-top: 16px;
  margin-top: 12px;
  margin-bottom: 24px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.pricing-group .pricing-old { display: inline; margin-right: 8px; }
.pricing-card:not(.pricing-card-featured) .pricing-group {
  border-top: 1px solid var(--line);
}

.included-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.included-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
}
.pricing-card:not(.pricing-card-featured) .included-list li {
  color: var(--ink-soft);
}
.included-icon {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gold);
  color: #17181f;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
}

.pricing-footnote {
  max-width: 720px;
  margin: 32px auto 0;
  font-size: 14px;
  color: var(--ink-soft);
  text-align: center;
}
.pricing-footnote a { color: var(--gold-dark); font-weight: 600; }

/* Contact */
.contact-inner { text-align: center; }
.contact-inner p {
  max-width: 480px;
  margin: 0 auto;
  color: var(--ink-soft);
}
.contact-value {
  display: inline-block;
  margin-top: 16px;
  font-size: 19px;
  font-weight: 600;
  color: var(--gold-dark);
}
a.contact-value:hover { color: var(--ink); }

/* FAQ */
#sss .section-eyebrow,
#sss h2,
#sss .section-lead {
  text-align: center;
}
.faq-list {
  margin: 48px auto 0;
  max-width: 760px;
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 22px 0;
  font-size: 17px;
  font-weight: 600;
  font-family: inherit;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.faq-icon {
  flex-shrink: 0;
  font-size: 20px;
  color: var(--gold-dark);
  transition: transform 0.2s ease;
}
.faq-item.is-open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.faq-answer p { padding-bottom: 22px; color: var(--ink-soft); margin: 0; }

/* Footer */
.site-footer {
  padding: 32px 0;
  background: var(--ink);
  color: rgba(255,255,255,0.6);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}
.footer-top:hover { color: var(--gold); }

/* Responsive */
@media (max-width: 900px) {
  .about-grid, .video-block { grid-template-columns: 1fr; }
  .about-visual { position: static; }
  .about-image { height: 320px; }
  .speaker-grid { grid-template-columns: repeat(2, 1fr); }
  .sponsor-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .program-timeline { --timeline-offset: 102px; }
  .timeline-item { grid-template-columns: 84px 1fr; gap: 18px; }
}

@media (max-width: 760px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 12px 24px 24px;
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .main-nav.is-open { display: flex; gap: 0; }
  .main-nav a { padding: 10px 0; }
  .site-header .main-nav a { color: var(--ink-soft); }
  .site-header .main-nav a:hover { color: var(--ink); }
  .nav-toggle { display: flex; }
  .header-actions .btn-sm { display: none; }
  .hero { padding: 100px 0 32px; }
  .hero-meta-bar-wrap { margin-top: 24px; }
  .hero-meta-bar { gap: 20px; padding: 20px 24px; }
  .hero-meta-divider { display: none; }
  .speaker-grid { grid-template-columns: 1fr; }
  .speaker-card-featured .speaker-avatar { aspect-ratio: 4 / 3; }
  .sponsor-grid { grid-template-columns: 1fr; }
}