:root {
  --bg-obsidian: #07070b;
  --bg-elevated: #101018;
  --bg-glass: rgba(20, 20, 30, 0.68);
  --bg-glass-strong: rgba(26, 26, 38, 0.86);
  --surface-card: rgba(255, 255, 255, 0.04);
  --surface-card-hover: rgba(255, 255, 255, 0.075);
  --border-subtle: rgba(255, 255, 255, 0.09);
  --border-highlight: rgba(255, 255, 255, 0.22);

  --yt-red: #ff0033;
  --livecon-pink: #ff2a6d;
  --livecon-coral: #ff5e4d;
  --livecon-rose: #f472b6;
  --livecon-gold: #facc15;
  --livecon-cyan: #2dd4bf;
  --livecon-blue: #3b82f6;

  --text-primary: #f8fafc;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;

  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-obsidian);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background-color: var(--bg-obsidian);
  overflow-x: hidden;
  position: relative;
  line-height: 1.6;
}

/* Organic Ambient Mesh Glows (Inspired by LiveCon Slide Deck) */
.ambient-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.42;
  animation: floatOrb 22s ease-in-out infinite alternate;
}

.orb-crimson {
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, #ff0033 0%, #ff2a6d 55%, transparent 75%);
  top: -180px;
  right: -120px;
}

.orb-coral {
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, #ff5e4d 0%, #f472b6 55%, transparent 75%);
  top: 28%;
  left: -180px;
  animation-delay: -7s;
}

.orb-cobalt {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, #2563eb 0%, #0ea5e9 55%, transparent 75%);
  bottom: -150px;
  right: 12%;
  opacity: 0.28;
  animation-delay: -13s;
}

@keyframes floatOrb {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(35px, -45px, 0) scale(1.08); }
  100% { transform: translate3d(-25px, 30px, 0) scale(0.95); }
}

/* Floating Geometric Accents (TechConX + LiveCon 3D Style) */
.geo-accent {
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

.geo-dots {
  width: 96px;
  height: 64px;
  background-image: radial-gradient(var(--livecon-cyan) 1.75px, transparent 1.75px);
  background-size: 12px 12px;
  opacity: 0.55;
  transform: rotate(-24deg);
}

.geo-pill-outline {
  width: 68px;
  height: 28px;
  border: 2px solid var(--livecon-gold);
  border-radius: 999px;
  opacity: 0.45;
  transform: rotate(-38deg);
}

.geo-triangle {
  width: 0;
  height: 0;
  border-left: 18px solid transparent;
  border-right: 18px solid transparent;
  border-bottom: 32px solid rgba(250, 204, 21, 0.35);
  transform: rotate(18deg);
}

/* Sticky Apple-Style Glass Header (Compact & Centered) */
.site-header {
  position: sticky;
  top: 18px;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 24px;
  margin-top: 18px;
}

.nav-shell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 10px 8px 16px;
  background: var(--bg-glass);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.nav-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.28s var(--ease-out-expo);
}

.nav-tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.nav-tab-btn.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.13);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.nav-tab-btn.nav-cta-red {
  background: linear-gradient(135deg, var(--yt-red) 0%, var(--livecon-pink) 100%);
  color: #ffffff;
  font-family: var(--font-display);
  font-weight: 700;
  padding: 10px 22px;
  margin-left: 6px;
  box-shadow: 0 8px 24px rgba(255, 0, 51, 0.35);
}

.nav-tab-btn.nav-cta-red:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 12px 30px rgba(255, 42, 109, 0.5);
  color: #ffffff;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--yt-red) 0%, var(--livecon-pink) 100%);
  color: #ffffff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(255, 0, 51, 0.35);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s var(--ease-out-expo);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 14px 38px rgba(255, 42, 109, 0.52);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid var(--border-highlight);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s var(--ease-out-expo);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

/* Main Container & Tab Views */
.main-stage {
  position: relative;
  z-index: 2;
  max-width: 1260px;
  margin: 0 auto;
  padding: 28px 24px 96px;
}

.tab-panel {
  display: none;
  animation: revealPanel 0.55s var(--ease-out-expo) forwards;
}

.tab-panel.active {
  display: block;
}

@keyframes revealPanel {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* TOP HERO BRAND MASTHEAD — Huge Logo & Designer Date/Location */
.hero-brand-masthead {
  margin-bottom: 34px;
}

.hero-giant-logo {
  display: block;
  width: 100%;
  max-width: 470px;
  height: auto;
  margin-bottom: 20px;
  filter: drop-shadow(0 14px 34px rgba(255, 0, 51, 0.22));
}

.hero-location-display {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.1vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: #f8fafc;
}

.hero-location-display .sep-dot {
  color: var(--livecon-pink);
  font-size: 1.15rem;
}

/* HERO SECTION — Anti-Grid & Kinetic Typography */
.hero-organic {
  position: relative;
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 44px;
  align-items: center;
  padding: 28px 0 64px;
}

.live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--yt-red);
  box-shadow: 0 0 14px var(--yt-red);
  animation: pulseLive 1.8s infinite;
  flex-shrink: 0;
}

@keyframes pulseLive {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.45); opacity: 0.45; }
}

.kinetic-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4.8vw, 4.4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin-bottom: 22px;
}

.kinetic-word-rotator {
  display: inline-block;
  position: relative;
  color: #ffffff;
  padding: 0 10px;
  background: rgba(255, 0, 51, 0.2);
  border-radius: 14px;
  border: 1px solid rgba(255, 42, 109, 0.4);
  transition: transform 0.4s var(--ease-spring), opacity 0.4s ease;
}

.hero-lead {
  font-size: 1.12rem;
  color: var(--text-secondary);
  max-width: 590px;
  margin-bottom: 32px;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 32px;
}

.insiders-cta-stack {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.insiders-cta-sub {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding-left: 4px;
}

/* TBD Placeholder Card (for Schedule & Speakers pages) */
.tbd-placeholder-card {
  max-width: 680px;
  margin: 0 auto 72px;
  padding: 56px 44px;
  text-align: center;
  background: var(--surface-card);
  border: 1px solid var(--border-highlight);
  border-radius: 36px 22px 36px 22px;
  backdrop-filter: blur(22px);
  box-shadow: 0 28px 75px rgba(0, 0, 0, 0.55);
}

.tbd-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, #ffffff 0%, #fda4af 55%, var(--livecon-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 18px;
}

.tbd-description {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.68;
  max-width: 540px;
  margin: 0 auto 28px;
}

.countdown-strip {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding: 14px 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  backdrop-filter: blur(16px);
}

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

.countdown-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 700;
  color: #ffffff;
}

.countdown-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

/* Right Side Hero Photo + Yellow Clip Accent */
.hero-visual-cluster {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-photo-frame {
  position: relative;
  display: inline-block;
  width: 100%;
  max-width: 430px;
}

.hero-photo-clip {
  top: -12px;
  right: 36px;
  z-index: 3;
  opacity: 0.78;
  border-width: 2.5px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.hero-main-art {
  display: block;
  width: 100%;
  max-width: 430px;
  max-height: 540px;
  object-fit: cover;
  border-radius: 38px 62px 42px 56px / 46px 38px 60px 44px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: border-radius 0.8s ease, transform 0.6s var(--ease-out-expo);
}

.hero-main-art:hover {
  border-radius: 54px 38px 58px 42px / 38px 58px 42px 62px;
  transform: scale(1.015) rotate(-0.6deg);
}

/* Scroll-Reactive Floating 3D Brand Shapes Along Left & Right Page Edges */
.scroll-floating-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.scroll-float-item {
  position: absolute;
  pointer-events: none;
  will-change: transform;
  filter: drop-shadow(0 26px 48px rgba(0, 0, 0, 0.6));
  transition: transform 0.08s linear;
}

.scroll-float-1 {
  width: 300px;
  top: 20%;
  left: -80px;
  opacity: 0.65;
}

.scroll-float-2 {
  width: 310px;
  top: 62%;
  right: -85px;
  opacity: 0.66;
}

.scroll-float-3 {
  width: 215px;
  top: 106%;
  left: -45px;
  opacity: 0.62;
}

.scroll-float-4 {
  width: 280px;
  top: 146%;
  right: -70px;
  opacity: 0.62;
}

@media (max-width: 1280px) {
  .scroll-floating-layer,
  .scroll-float-item {
    display: none !important;
  }
}

/* KINETIC TYPOGRAPHY RIBBON */
.kinetic-marquee-wrap {
  position: relative;
  margin: 18px -24px 64px;
  padding: 18px 0;
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
  transform: rotate(-1.1deg);
}

.kinetic-marquee-track {
  display: flex;
  width: max-content;
  gap: 42px;
  animation: marqueeScroll 32s linear infinite;
}

.kinetic-marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
  white-space: nowrap;
}

.kinetic-marquee-item span.sep {
  color: var(--livecon-pink);
  font-size: 1.4rem;
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* SECTION HEADERS */
.section-header {
  text-align: center;
  max-width: 840px;
  margin: 0 auto 48px;
}

.section-overline {
  display: inline-block;
  width: 64px;
  height: 3px;
  background: linear-gradient(90deg, var(--yt-red), var(--livecon-pink));
  border-radius: 999px;
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.68;
}

/* ANTI-GRID ASYMMETRIC MISSION & GOALS */
.asymmetric-mission-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  margin-bottom: 84px;
}

.organic-card {
  position: relative;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  padding: 34px;
  backdrop-filter: blur(20px);
  transition: transform 0.35s var(--ease-out-expo), background 0.35s ease, border-color 0.35s ease;
  overflow: hidden;
}

.organic-card:hover {
  transform: translateY(-6px);
  background: var(--surface-card-hover);
  border-color: var(--border-highlight);
}

.card-curve-1 {
  grid-column: span 7;
  border-radius: 36px 20px 44px 24px;
}

.card-curve-2 {
  grid-column: span 5;
  border-radius: 20px 42px 24px 38px;
  transform: translateY(18px);
}

.card-curve-3 {
  grid-column: span 5;
  border-radius: 40px 22px 28px 42px;
}

.card-curve-4 {
  grid-column: span 7;
  border-radius: 24px 38px 42px 20px;
  transform: translateY(14px);
}

.card-tag-mono {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #fda4af;
  border: 1px solid rgba(255, 42, 109, 0.35);
  padding: 4px 12px;
  border-radius: 6px;
  margin-bottom: 16px;
}

.organic-card h3 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.organic-card p {
  color: var(--text-secondary);
  font-size: 0.98rem;
}

/* PAST EDITIONS RETROSPECTIVE (2024 & 2025) */
.legacy-showcase {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 0, 51, 0.06) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: 44px 24px 48px 28px;
  padding: 44px;
  margin-bottom: 72px;
}

.legacy-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 26px 0;
}

.stat-pill-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  padding: 18px;
  border-radius: 22px;
}

.stat-pill-box strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: #ffffff;
}

.stat-pill-box span {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.legacy-photo-stack {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.legacy-photo-stack img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 26px;
  border: 1px solid var(--border-highlight);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.legacy-photo-stack img:nth-child(2) {
  transform: translateY(24px);
}

/* ATTENDEE & PARTNER TESTIMONIALS (What People Are Saying) */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 32px 18px 34px 20px;
  padding: 30px;
  backdrop-filter: blur(18px);
  transition: transform 0.32s var(--ease-out-expo), border-color 0.32s ease, background 0.32s ease;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  background: var(--surface-card-hover);
  border-color: var(--border-highlight);
}

.testimonial-stars {
  color: var(--livecon-gold);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}

.testimonial-quote {
  font-size: 0.98rem;
  color: var(--text-primary);
  line-height: 1.68;
  margin-bottom: 0;
  font-style: italic;
}

@media (max-width: 960px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

/* SCHEDULE TIMELINE (TechConX Reference Inspired) */
.day-switcher {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 42px;
}

.day-pill-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 14px 32px;
  color: var(--text-primary);
  cursor: pointer;
  text-align: center;
  transition: all 0.28s var(--ease-out-expo);
}

.day-pill-btn strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 2px;
}

.day-pill-btn span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.day-pill-btn.active {
  border-color: var(--livecon-pink);
  background: rgba(255, 42, 109, 0.14);
  box-shadow: 0 10px 30px rgba(255, 42, 109, 0.22);
}

.day-pill-btn.active strong {
  color: var(--livecon-pink);
}

.timeline-list {
  position: relative;
  max-width: 1060px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.timeline-list::before {
  content: '';
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 22px;
  width: 2px;
  background: linear-gradient(180deg, var(--livecon-pink), rgba(255, 255, 255, 0.08));
}

.timeline-row {
  position: relative;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 22px;
  align-items: center;
}

.timeline-num-badge {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--yt-red), var(--livecon-pink));
  color: #ffffff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  box-shadow: 0 6px 18px rgba(255, 42, 109, 0.4);
}

.timeline-card {
  display: grid;
  grid-template-columns: 238px 1fr auto;
  gap: 26px;
  align-items: center;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 22px;
  padding: 22px 28px;
  transition: all 0.25s var(--ease-out-expo);
}

.timeline-card:hover {
  background: var(--surface-card-hover);
  border-color: var(--border-highlight);
  transform: translateX(6px);
}

.timeline-time {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.055), rgba(255, 42, 109, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: #ffffff;
  white-space: nowrap;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.timeline-time .time-ampm {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fda4af;
  margin-left: 1px;
}

.timeline-time .time-sep {
  color: var(--livecon-pink);
  font-weight: 600;
  margin: 0 3px;
}

.timeline-topic h4 {
  font-family: var(--font-display);
  font-size: 1.14rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline-topic p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.timeline-speaker-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  font-size: 0.84rem;
  white-space: nowrap;
}

.timeline-speaker-chip img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
}

/* SPEAKERS SHOWCASE & ORGANIC BLOB PORTRAITS (TechConX Inspired) */
.speaker-spotlight-box {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 44px;
  align-items: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 42, 109, 0.08));
  border: 1px solid var(--border-highlight);
  border-radius: 42px 24px 42px 24px;
  padding: 42px;
  margin-bottom: 56px;
}

.spotlight-blob-wrap {
  position: relative;
  width: 260px;
  height: 260px;
  margin: 0 auto;
}

.spotlight-blob-bg {
  position: absolute;
  inset: -10px;
  background: linear-gradient(135deg, #ff0033 0%, #ff2a6d 50%, #a855f7 100%);
  border-radius: 62% 38% 46% 54% / 54% 48% 52% 46%;
  animation: morphBlob 9s ease-in-out infinite alternate;
}

.spotlight-photo {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 62% 38% 46% 54% / 54% 48% 52% 46%;
  border: 3px solid rgba(255, 255, 255, 0.25);
  z-index: 2;
}

@keyframes morphBlob {
  0% { border-radius: 62% 38% 46% 54% / 54% 48% 52% 46%; }
  50% { border-radius: 44% 56% 62% 38% / 42% 58% 42% 58%; }
  100% { border-radius: 55% 45% 38% 62% / 60% 40% 60% 40%; }
}

.spotlight-details h3 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.spotlight-role {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #fda4af;
  margin-bottom: 16px;
}

.spotlight-bio {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 20px;
}

.spotlight-talk-card {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 16px 22px;
}

.spotlight-talk-card span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--livecon-gold);
  margin-bottom: 4px;
}

.speakers-organic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
  gap: 28px;
  margin-bottom: 64px;
}

.speaker-card {
  position: relative;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 30px 18px 34px 20px;
  padding: 28px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.32s var(--ease-out-expo);
}

.speaker-card:hover, .speaker-card.selected {
  transform: translateY(-8px);
  background: var(--surface-card-hover);
  border-color: var(--livecon-pink);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.5);
}

.speaker-blob-avatar {
  position: relative;
  width: 148px;
  height: 148px;
  margin: 0 auto 18px;
}

.speaker-blob-ring {
  position: absolute;
  inset: -6px;
  background: linear-gradient(135deg, var(--yt-red), var(--livecon-pink), #f472b6);
  border-radius: 58% 42% 48% 52% / 50% 56% 44% 50%;
  transition: transform 0.4s var(--ease-spring);
}

.speaker-card:hover .speaker-blob-ring {
  transform: rotate(12deg) scale(1.05);
}

.speaker-blob-avatar img {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 58% 42% 48% 52% / 50% 56% 44% 50%;
  z-index: 2;
  background: #181824;
}

.speaker-card h4 {
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.speaker-card .speaker-title {
  font-size: 0.84rem;
  color: #fda4af;
  font-weight: 500;
  margin-bottom: 6px;
}

.speaker-card .speaker-team {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.speaker-card .speaker-topic-pill {
  display: inline-block;
  font-size: 0.78rem;
  padding: 6px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

/* PHOTO MOSAIC GALLERY (Anti-Grid Asymmetric Editorial Mosaic) */
.mosaic-filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.mosaic-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 220px;
  gap: 18px;
}

.mosaic-tile {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  background: #12121a;
}

.mosaic-tile.span-7-2 { grid-column: span 7; grid-row: span 2; border-radius: 42px 22px 38px 24px; }
.mosaic-tile.span-5-1 { grid-column: span 5; grid-row: span 1; border-radius: 22px 38px 24px 32px; }
.mosaic-tile.span-5-2 { grid-column: span 5; grid-row: span 2; border-radius: 34px 20px 40px 22px; }
.mosaic-tile.span-4-1 { grid-column: span 4; grid-row: span 1; border-radius: 26px; }
.mosaic-tile.span-4-2 { grid-column: span 4; grid-row: span 2; border-radius: 24px 40px 24px 40px; }
.mosaic-tile.span-8-1 { grid-column: span 8; grid-row: span 1; border-radius: 36px 20px 36px 20px; }

.mosaic-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s var(--ease-out-expo), filter 0.4s ease;
}

.mosaic-tile:hover img {
  transform: scale(1.06);
}

.mosaic-caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 24px 22px 18px;
  background: linear-gradient(0deg, rgba(7, 7, 11, 0.9) 0%, rgba(7, 7, 11, 0.4) 65%, transparent 100%);
  color: #ffffff;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s var(--ease-out-expo);
}

.mosaic-tile:hover .mosaic-caption {
  opacity: 1;
  transform: translateY(0);
}

/* EXPRESS INTEREST FORM (TechConX Dark Form Reference) */
.interest-form-shell {
  max-width: 720px;
  margin: 0 auto;
  background: rgba(18, 18, 28, 0.85);
  border: 1px solid var(--border-highlight);
  border-radius: 38px 24px 42px 24px;
  padding: 48px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.65);
  position: relative;
}

.form-grid-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-field {
  margin-bottom: 22px;
}

.form-field label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.96rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--livecon-pink);
  box-shadow: 0 0 0 3px rgba(255, 42, 109, 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 96px;
  line-height: 1.55;
}

.attendance-radio-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 8px;
}

.radio-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.22s ease;
  font-size: 0.86rem;
}

.radio-card input[type="radio"] {
  accent-color: var(--livecon-pink);
}

.radio-card:has(input:checked) {
  border-color: var(--livecon-pink);
  background: rgba(255, 42, 109, 0.14);
}

.form-submit-btn {
  width: 100%;
  padding: 16px;
  border-radius: 14px;
  background: linear-gradient(90deg, var(--yt-red) 0%, var(--livecon-pink) 100%);
  color: #ffffff;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  margin-top: 8px;
  box-shadow: 0 12px 32px rgba(255, 42, 109, 0.35);
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s ease;
}

.form-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(255, 42, 109, 0.5);
}

.form-status-banner {
  display: none;
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: 14px;
  background: rgba(45, 212, 191, 0.12);
  border: 1px solid rgba(45, 212, 191, 0.4);
  color: #5eead4;
  font-size: 0.92rem;
}

/* Lightbox Modal */
.lightbox-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 10, 0.88);
  backdrop-filter: blur(18px);
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.lightbox-backdrop.open {
  display: flex;
}

.lightbox-content {
  max-width: 980px;
  width: 100%;
  text-align: center;
  position: relative;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 78vh;
  border-radius: 24px;
  border: 1px solid var(--border-highlight);
}

.lightbox-close {
  position: absolute;
  top: -18px;
  right: -18px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--yt-red);
  color: #fff;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
}

/* Footer */
.site-footer {
  max-width: 1260px;
  margin: 0 auto;
  padding: 36px 24px 64px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--text-secondary);
  font-size: 0.88rem;
}

@media (max-width: 960px) {
  .hero-organic,
  .legacy-showcase,
  .speaker-spotlight-box {
    grid-template-columns: 1fr;
  }
  .card-curve-1, .card-curve-2, .card-curve-3, .card-curve-4 {
    grid-column: span 12;
    transform: none;
  }
  .timeline-card {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .mosaic-tile.span-7-2,
  .mosaic-tile.span-5-1,
  .mosaic-tile.span-5-2,
  .mosaic-tile.span-4-1,
  .mosaic-tile.span-4-2,
  .mosaic-tile.span-8-1 {
    grid-column: span 12;
    grid-row: span 1;
  }
  .form-grid-row,
  .attendance-radio-group {
    grid-template-columns: 1fr;
  }
}