/* ============================================================
   Vex Private Markets Summit
   ============================================================ */

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Variables */
:root {
  --color-bg: #08080D;
  --color-surface: #101017;
  --color-surface-elevated: #16161F;
  --color-border: #222230;
  --color-border-subtle: #1A1A26;
  --color-text: #DCDCE5;
  --color-text-bright: #F0F0F5;
  --color-text-muted: #6E6E82;
  --color-text-secondary: #9494A8;
  --color-accent: #6366F1;
  --color-accent-hover: #818CF8;
  --color-accent-subtle: rgba(99, 102, 241, 0.06);
  --color-accent-border: rgba(99, 102, 241, 0.25);
  --color-vip: #C9A84C;
  --color-vip-subtle: rgba(201, 168, 76, 0.04);
  --color-vip-border: rgba(201, 168, 76, 0.3);
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 800px;
  --spacing: 1.5rem;
  --radius: 8px;
  --radius-lg: 12px;
}

/* Base */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  padding: 0;
  margin: 0;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing);
  padding-bottom: calc(var(--spacing) * 3);
}

/* Typography */
h1 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-text-bright);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--color-text-bright);
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: calc(var(--spacing) * 1.5);
}

h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-bright);
  margin-top: calc(var(--spacing) * 1.5);
  margin-bottom: calc(var(--spacing) * 0.5);
}

p {
  margin-bottom: var(--spacing);
  color: var(--color-text);
}

strong {
  color: var(--color-text);
  font-weight: 600;
}

em {
  color: var(--color-text-secondary);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-accent-hover);
}

hr {
  border: none;
  margin: 0;
  padding: 0;
  height: 0;
}

/* ---- Sections ---- */
.section {
  padding: calc(var(--spacing) * 4) 0;
}

.js-loaded .section {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.js-loaded .section.visible {
  opacity: 1;
  transform: translateY(0);
}

.section.alt {
  background: var(--color-surface);
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding-left: calc(50vw - 50% + var(--spacing));
  padding-right: calc(50vw - 50% + var(--spacing));
}

ul, ol {
  margin-bottom: var(--spacing);
  padding-left: 1.25rem;
  color: var(--color-text-secondary);
}

li {
  margin-bottom: 0.625rem;
}

li strong {
  color: var(--color-text);
}

/* Section labels */
.section-label {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

/* ---- Sticky Header ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

body.scrolled .site-header {
  transform: translateY(0);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8, 8, 13, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-logo {
  flex-shrink: 0;
}

.header-event-name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

.button-header {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8125rem;
  text-decoration: none;
  transition: background 0.2s;
}

.button-header:hover {
  background: var(--color-accent-hover);
  color: #fff;
}

@media (max-width: 640px) {
  .header-event-name {
    display: none;
  }
}

/* ---- Hero ---- */
.hero {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--spacing) * 4) var(--spacing);
  background: radial-gradient(ellipse 80% 50% at 50% 40%, rgba(40, 20, 80, 0.5) 0%, transparent 70%),
              var(--color-bg);
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
  animation: fadeUp 0.8s ease-out both;
}

.hero-eyebrow .dot {
  color: var(--color-border);
  margin: 0 0.5rem;
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5rem);
  margin-bottom: 1rem;
  animation: fadeUp 0.8s ease-out 0.15s both;
}

.hero .tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  color: var(--color-text-secondary);
  margin-bottom: 3rem;
  animation: fadeUp 0.8s ease-out 0.3s both;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  animation: fadeUp 0.8s ease-out 0.45s both;
}

.hero-cta .cta-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.hero-presented {
  margin-top: 2rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  animation: fadeUp 0.8s ease-out 0.6s both;
}

.hero-presented a {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.hero-presented a:hover {
  color: var(--color-text-bright);
}

/* ---- Buttons ---- */
.button-primary {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 0.875rem 2.25rem;
  border-radius: 6px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  transition: all 0.25s;
  text-decoration: none;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.25);
}

.button-primary:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.35);
}

/* ---- Stat Callouts ---- */
.stat-callouts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: calc(var(--spacing) * 2);
}

.stat-callout {
  background: var(--color-surface);
  padding: calc(var(--spacing) * 2) calc(var(--spacing) * 1.5);
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: var(--color-text-bright);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.stat-caption {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (max-width: 640px) {
  .stat-callouts {
    grid-template-columns: 1fr;
  }
}

/* ---- Tracks ---- */
.tracks {
  display: grid;
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: calc(var(--spacing) * 0.5) 0;
}

.track {
  display: flex;
  gap: var(--spacing);
  padding: calc(var(--spacing) * 1.25) calc(var(--spacing) * 1.5);
  background: var(--color-surface);
  align-items: baseline;
}

.track {
  transition: background 0.2s ease;
}

.track:hover {
  background: var(--color-surface-elevated);
}

.track-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--color-text-muted);
  line-height: 1;
  flex-shrink: 0;
  width: 2.5rem;
  opacity: 0.25;
}

.track-content h3 {
  margin: 0 0 0.25rem 0;
  font-size: 1rem;
}

.track-content p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ---- Speakers ---- */
.speakers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: calc(var(--spacing) * 2.5);
  margin: calc(var(--spacing) * 0.5) 0;
}

.speaker {
  text-align: center;
}

.speaker img {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  margin-bottom: calc(var(--spacing) * 1.25);
  border: 1px solid var(--color-border);
  filter: grayscale(10%);
  transition: filter 0.3s ease, border-color 0.3s ease;
}

.speaker:hover img {
  filter: grayscale(0%);
  border-color: var(--color-text-muted);
}

.speaker h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.speaker p {
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.speaker-track {
  display: inline-block;
  margin-top: 0.25rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 100px;
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-accent-border);
}

.speaker-track.host {
  color: var(--color-text-muted);
  background: transparent;
  border-color: var(--color-border);
}

.speakers-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: calc(var(--spacing) * 1.5);
  font-style: italic;
}

/* ---- Schedule ---- */
.schedule-day {
  margin-bottom: calc(var(--spacing) * 3);
}

.schedule-day:last-child {
  margin-bottom: 0;
}

.schedule-day-header {
  margin-bottom: calc(var(--spacing) * 1.25);
}

.schedule-day-header h3 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 400;
  margin: 0 0 0.25rem 0;
  color: var(--color-text-bright);
}

.schedule-day-header p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 0;
}

.schedule-items {
  border-left: 1px solid var(--color-border);
}

.schedule-item {
  display: flex;
  gap: var(--spacing);
  padding: 0.75rem 0 0.75rem calc(var(--spacing) * 1.5);
  position: relative;
}

.schedule-item::before {
  content: '';
  position: absolute;
  left: -3px;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-border);
}

.schedule-item.fireside::before {
  background: var(--color-accent);
  box-shadow: 0 0 6px var(--color-accent-border);
}

.schedule-time {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  flex-shrink: 0;
  width: 5.5rem;
  font-variant-numeric: tabular-nums;
}

.schedule-detail {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.schedule-detail strong {
  color: var(--color-text-bright);
  font-weight: 600;
}

.schedule-sub {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 0.125rem;
}

.schedule-item.break {
  opacity: 0.45;
}

/* ---- Venue ---- */
.venue-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  margin-bottom: var(--spacing);
}

.venue-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.venue-card {
  padding: calc(var(--spacing) * 1.25);
  background: var(--color-surface);
}

.venue-card-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  display: block;
}

.venue-card-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-bright);
  margin: 0 0 0.25rem 0;
}

.venue-card-sub {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ---- Tickets ---- */
.ticket-tiers {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  gap: var(--spacing);
  margin: calc(var(--spacing) * 0.5) 0;
  align-items: start;
}

.ticket-tier {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: calc(var(--spacing) * 1.5);
  text-align: center;
}

.ticket-tier h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
  font-weight: 600;
}

.ticket-tier .price {
  font-family: var(--font-display);
  font-size: 2.25rem;
  color: var(--color-text-bright);
  margin-bottom: var(--spacing);
}

.ticket-tier ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.ticket-tier li {
  padding: 0.5rem 0;
  border-top: 1px solid var(--color-border-subtle);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.ticket-tier li:first-child {
  border-top: none;
}

/* Clickable ticket cards */
.ticket-link {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: border-color 0.2s ease, transform 0.2s ease;
  cursor: pointer;
}

.ticket-link:hover {
  border-color: var(--color-text-secondary);
  transform: translateY(-2px);
}

.ticket-link.vip:hover {
  border-color: var(--color-vip);
}

/* VIP */
.ticket-tier.vip {
  border-color: var(--color-vip-border);
  background: linear-gradient(
    180deg,
    var(--color-surface) 0%,
    rgba(201, 168, 76, 0.06) 100%
  );
  padding: calc(var(--spacing) * 2) calc(var(--spacing) * 1.5);
}

.ticket-tier.vip h3 {
  color: var(--color-vip);
}

.ticket-tier.vip .price {
  color: var(--color-vip);
}

.ticket-tier.vip li {
  border-color: rgba(201, 168, 76, 0.1);
}

/* CTA section */
.cta-section {
  text-align: center;
  margin-top: calc(var(--spacing) * 2);
}

.cta-section .cta-sub {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ---- Mid-page CTA ---- */
.mid-cta {
  text-align: center;
  padding: calc(var(--spacing) * 3) var(--spacing);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.mid-cta-note {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing);
}

/* ---- Audience Grid ---- */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.audience-item {
  padding: calc(var(--spacing) * 1.25);
  background: var(--color-surface);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.audience-item strong {
  color: var(--color-text-bright);
  display: block;
  margin-bottom: 0.25rem;
}

/* ---- Presented By ---- */
.presented-by {
  text-align: center;
}

.presented-by p {
  font-size: 0.9375rem;
}

/* ---- Footer ---- */
footer {
  margin-top: calc(var(--spacing) * 3);
  padding: calc(var(--spacing) * 1.5) 0;
  border-top: 1px solid var(--color-border-subtle);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  text-align: center;
}

/* ---- Utilities ---- */
.muted {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.text-center {
  text-align: center;
}

/* ---- Tables (fallback) ---- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing) 0;
}

th, td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.875rem;
}

td {
  color: var(--color-text);
}

td strong {
  color: var(--color-text-bright);
}

/* ---- Animation ---- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .hero {
    min-height: 85vh;
    padding: calc(var(--spacing) * 3) var(--spacing);
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero .tagline {
    font-size: 1.125rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  h2 {
    font-size: 1.875rem;
  }

  .speakers {
    grid-template-columns: 1fr;
  }

  .ticket-tiers {
    grid-template-columns: 1fr;
  }

  .ticket-tier.vip {
    order: -1;
  }

  .venue-grid {
    grid-template-columns: 1fr;
  }

  .venue-image {
    height: 200px;
  }

  .audience-grid {
    grid-template-columns: 1fr;
  }

  .track {
    padding: var(--spacing);
  }

  .schedule-item {
    gap: 1rem;
  }

  .schedule-time {
    width: 4.5rem;
    font-size: 0.75rem;
  }

}