@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Syne:wght@500;600;700;800&display=swap');

/* ==========================================
   DESIGN TOKENS & RESET
   ========================================== */
:root {
  --bg-base: #0b0f19; /* Negro Digital */
  --bg-card: rgba(24, 32, 76, 0.4); /* Electric Blue + transparency */
  --bg-card-hover: rgba(24, 32, 76, 0.65);
  
  --primary: #d27fe6; /* Orquídea Suave */
  --primary-glow: rgba(210, 127, 230, 0.35);
  --primary-glow-weak: rgba(210, 127, 230, 0.1);
  
  --secondary: #5cf8df; /* Cyan Iridiscente */
  --secondary-glow: rgba(92, 248, 223, 0.35);
  
  --accent-pink: #e9007a; /* Fucsia Neon */
  --accent-pink-glow: rgba(233, 0, 122, 0.3);
  
  --accent-red: #ff5953; /* Rojo Brillante */
  --accent-violet: #bf85f5; /* Violeta Pastel */
  --accent-green: #00f5a0; /* Green highlight to match reference graphic */
  --accent-green-glow: rgba(0, 245, 160, 0.3);
  
  --text-primary: #ffffff;
  --text-secondary: #a9abc4;
  --text-muted: #6c6f8f;
  
  --border-light: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(210, 127, 230, 0.25);
  --border-cyan: rgba(92, 248, 223, 0.25);
  
  --font-heading: 'Syne', sans-serif;
  --font-body: 'Outfit', sans-serif;
  
  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.15s ease-out;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

html, body {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  background-color: #05070c;
  background-image: linear-gradient(rgba(5, 7, 12, 0.35), rgba(5, 7, 12, 0.55)), url('assets/bg-main.webp');
  background-attachment: fixed;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Atmospheric Grain Overlay matching the abstract reference */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  opacity: 0.045;
  z-index: 9998;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

body.loading-locked {
  overflow: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: rgba(155, 81, 224, 0.3);
  border-radius: 5px;
  border: 2px solid var(--bg-base);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ==========================================
   AMBIENT GLOWS & BACKGROUND
   ========================================== */
.ambient-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.bg-video-element {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -3;
  opacity: 0;
  transition: opacity 1.5s ease;
  pointer-events: none;
}

.bg-video-element.playing {
  opacity: 0.35;
}


.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.25;
  mix-blend-mode: screen;
}

.orb-1 {
  top: -20%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, var(--primary) 0%, rgba(0,0,0,0) 70%);
  animation: float-slow 25s infinite alternate;
}

.orb-2 {
  bottom: -10%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--secondary) 0%, rgba(0,0,0,0) 70%);
  animation: float-slow-reverse 30s infinite alternate;
}

.orb-3 {
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, var(--accent-pink) 0%, rgba(0,0,0,0) 70%);
  opacity: 0.12;
  animation: float-slow 20s infinite alternate-reverse;
}

/* Background Grid Overlay */
.grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center center;
  z-index: -1;
  pointer-events: none;
}

@keyframes float-slow {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(5%, 8%) scale(1.1); }
  100% { transform: translate(-3%, -5%) scale(0.95); }
}

@keyframes float-slow-reverse {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-8%, -5%) scale(0.9); }
  100% { transform: translate(4%, 7%) scale(1.05); }
}

/* ==========================================
   NEON RIBBONS (FLOW DECORATION)
   ========================================== */
.ribbon-container {
  position: absolute;
  width: 100%;
  height: 400px;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
  opacity: 0.65;
}

.ribbon {
  position: absolute;
  width: 150%;
  height: 120px;
  left: -25%;
  background: linear-gradient(90deg, 
    rgba(155, 81, 224, 0) 0%, 
    rgba(155, 81, 224, 0.15) 20%, 
    rgba(0, 240, 255, 0.3) 40%, 
    rgba(255, 0, 127, 0.3) 60%, 
    rgba(155, 81, 224, 0.15) 80%, 
    rgba(155, 81, 224, 0) 100%);
  filter: blur(25px);
  transform: rotate(-6deg);
}

.ribbon-1 {
  top: 10%;
  animation: wave-horizontal 20s infinite linear;
}

.ribbon-2 {
  top: 55%;
  transform: rotate(4deg);
  animation: wave-horizontal-reverse 25s infinite linear;
}

@keyframes wave-horizontal {
  0% { transform: translateX(-5%) rotate(-6deg) translateY(0); }
  50% { transform: translateX(5%) rotate(-5deg) translateY(15px); }
  100% { transform: translateX(-5%) rotate(-6deg) translateY(0); }
}

@keyframes wave-horizontal-reverse {
  0% { transform: translateX(5%) rotate(4deg) translateY(0); }
  50% { transform: translateX(-5%) rotate(5deg) translateY(-15px); }
  100% { transform: translateX(5%) rotate(4deg) translateY(0); }
}

/* ==========================================
   COMMON GLASS COMPONENTS & UTILITIES
   ========================================== */
.glass-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  box-shadow: 0 10px 30px -10px var(--primary-glow);
  transform: translateY(-4px);
}

.glow-border-cyan:hover {
  border-color: var(--border-cyan);
  box-shadow: 0 10px 30px -10px var(--secondary-glow);
}

.glow-border-pink:hover {
  border-color: var(--accent-pink-glow);
  box-shadow: 0 10px 30px -10px var(--accent-pink-glow);
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 30%, var(--secondary) 70%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.neon-glow-btn {
  position: relative;
  display: inline-block;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 100px;
  transition: var(--transition-smooth);
  cursor: pointer;
  z-index: 1;
  overflow: hidden;
}

.neon-glow-btn.btn-primary {
  background: var(--primary);
  color: var(--text-primary);
  border: 1px solid var(--primary);
  box-shadow: 0 4px 20px var(--primary-glow);
}

.neon-glow-btn.btn-primary:hover {
  background: #aa63ef;
  box-shadow: 0 4px 30px var(--primary-glow), 0 0 15px var(--secondary-glow);
  transform: translateY(-2px);
}

.neon-glow-btn.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(5px);
}

.neon-glow-btn.btn-secondary:hover {
  border-color: var(--secondary);
  box-shadow: 0 0 15px var(--secondary-glow);
  transform: translateY(-2px);
}

/* Section Containers */
section {
  padding: 100px 20px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.section-tag {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 12px;
  display: inline-block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #ffffff 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 650px;
  margin-bottom: 50px;
}

/* ==========================================
   NAVIGATION BAR
   ========================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
}

header.scrolled {
  padding: 14px 40px;
  background: rgba(5, 7, 12, 0.45);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.logo {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-dot {
  width: 10px;
  height: 10px;
  background-color: var(--secondary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--secondary-glow);
}

nav {
  display: flex;
  gap: 30px;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition-fast);
}

nav a:hover, nav a.active {
  color: var(--text-primary);
  text-shadow: 0 0 10px var(--primary-glow);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 15px;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-fast);
}

/* ==========================================
   HERO SECTION
   ========================================== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 140px;
  gap: 50px;
}

.hero-content {
  flex: 1.2;
  max-width: 650px;
}

.hero-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 25px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--border-light);
}

.meta-item svg {
  color: var(--secondary);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 64px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 25px;
  background: linear-gradient(135deg, #ffffff 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 35px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 20px;
  align-items: center;
}

/* Glowing Cyber Core (Right Column Visual) */
.hero-visual {
  flex: 0.8;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.core-container {
  width: 320px;
  height: 320px;
  position: relative;
}

.core-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary) 0%, rgba(155,81,224,0) 70%);
  filter: blur(30px);
  opacity: 0.6;
  animation: pulse-core 4s infinite alternate;
}

.core-orbital {
  position: absolute;
  border: 1.5px dashed rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.orb-ring-1 {
  width: 320px;
  height: 320px;
  animation: rotate-orbit 20s infinite linear;
}

.orb-ring-2 {
  width: 240px;
  height: 240px;
  animation: rotate-orbit-reverse 15s infinite linear;
  border-style: solid;
  border-color: rgba(0, 240, 255, 0.15);
}

.orb-ring-3 {
  width: 160px;
  height: 160px;
  animation: rotate-orbit 10s infinite linear;
  border-style: dotted;
  border-color: rgba(255, 0, 127, 0.25);
}

.core-sphere {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  background: radial-gradient(circle at 30% 30%, #bf85f5 0%, var(--primary) 50%, #470d74 100%);
  border-radius: 50%;
  box-shadow: 0 0 40px var(--primary-glow), inset -10px -10px 30px rgba(0,0,0,0.8);
  animation: pulse-sphere 4s infinite alternate;
}

.core-node {
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: var(--secondary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--secondary-glow);
}

.node-1 { top: -5px; left: 50%; transform: translateX(-50%); }
.node-2 { bottom: 15%; right: 10%; }
.node-3 { bottom: 15%; left: 10%; }

@keyframes pulse-core {
  0% { transform: scale(0.9); opacity: 0.4; }
  100% { transform: scale(1.1); opacity: 0.7; }
}

@keyframes pulse-sphere {
  0% { box-shadow: 0 0 20px var(--primary-glow); }
  100% { box-shadow: 0 0 50px var(--primary-glow), 0 0 20px var(--secondary-glow); }
}

@keyframes rotate-orbit {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes rotate-orbit-reverse {
  0% { transform: translate(-50%, -50%) rotate(360deg); }
  100% { transform: translate(-50%, -50%) rotate(0deg); }
}

/* ==========================================
   CONCEPT / VALUE PROPOSITION
   ========================================== */
#concept {
  border-top: 1px solid var(--border-light);
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.concept-card {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.concept-icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: var(--primary-glow-weak);
  border: 1px solid rgba(155, 81, 224, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  box-shadow: inset 0 0 10px rgba(155, 81, 224, 0.05);
}

.concept-card.glow-border-cyan .concept-icon {
  background: rgba(0, 240, 255, 0.05);
  border-color: rgba(0, 240, 255, 0.2);
  color: var(--secondary);
}

.concept-card.glow-border-pink .concept-icon {
  background: rgba(255, 0, 127, 0.05);
  border-color: rgba(255, 0, 127, 0.2);
  color: var(--accent-pink);
}

.concept-card h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 600;
}

.concept-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.5;
}

/* ==========================================
   SPEAKERS SECTION
   ========================================== */
#speakers {
  border-top: 1px solid var(--border-light);
}

.speakers-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.speaker-card {
  padding: 40px;
  display: flex;
  gap: 30px;
  align-items: center;
}

.speaker-img-wrapper {
  position: relative;
  flex-shrink: 0;
  width: 180px;
  height: 180px;
}

.speaker-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-base);
  border: 2px solid var(--border-light);
}

.speaker-card:hover .speaker-img {
  border-color: var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
}

.speaker-card.glow-border-cyan:hover .speaker-img {
  border-color: var(--secondary);
  box-shadow: 0 0 20px var(--secondary-glow);
}

.speaker-badge {
  position: absolute;
  bottom: 0;
  right: 0;
  background: var(--bg-base);
  border: 1px solid var(--border-light);
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  color: var(--secondary);
}

.speaker-info h3 {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}

.speaker-title {
  color: var(--secondary);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.speaker-bio {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================
   INTERACTIVE AGENDA
   ========================================== */
#agenda {
  border-top: 1px solid var(--border-light);
}

.agenda-tabs {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 50px;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 12px 24px;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tab-btn:hover {
  border-color: var(--primary-glow);
  color: var(--text-primary);
}

.tab-btn.active {
  background: var(--primary-glow-weak);
  border-color: var(--primary);
  color: var(--text-primary);
  box-shadow: 0 0 20px var(--primary-glow-weak);
}

.agenda-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.agenda-panel {
  display: none;
  animation: fade-in 0.4s ease-out;
}

.agenda-panel.active {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.timeline-item {
  padding: 30px;
  display: flex;
  gap: 40px;
}

.timeline-time {
  flex-shrink: 0;
  width: 150px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.time-text {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.day-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 0.05em;
}

.timeline-details {
  flex: 1;
}

.timeline-details h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline-details p {
  color: var(--text-secondary);
  font-size: 15px;
}

.timeline-details .extra-note {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================
   SPONSORSHIP TIERS
   ========================================== */
#sponsors {
  border-top: 1px solid var(--border-light);
}

.sponsors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
  margin-bottom: 60px;
}

.sponsor-card {
  padding: 45px 35px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.card-highlight-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--primary-glow) 0%, rgba(0,0,0,0) 60%);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.sponsor-card:hover .card-highlight-glow {
  opacity: 1;
}

.sponsor-card.featured {
  border-color: var(--primary);
  box-shadow: 0 10px 40px -10px var(--primary-glow);
}

.featured-tag {
  position: absolute;
  top: 15px;
  right: 15px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-pink) 100%);
  color: var(--text-primary);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.1em;
}

.sponsor-tier-name {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.sponsor-price {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.sponsor-slots {
  font-size: 13px;
  color: var(--secondary);
  font-weight: 600;
  margin-bottom: 30px;
}

.sponsor-benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 40px;
  flex: 1;
}

.sponsor-benefits-list li {
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.sponsor-benefits-list svg {
  color: var(--secondary);
  flex-shrink: 0;
  margin-top: 4px;
}

.sponsor-card.featured .sponsor-benefits-list svg {
  color: var(--accent-pink);
}

/* Brand Benefits Box */
.brand-benefits-box {
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 40px;
  align-items: center;
}

.benefits-box-meta h3 {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
}

.benefits-box-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}

.benefit-item {
  display: flex;
  gap: 12px;
}

.benefit-item svg {
  color: var(--secondary);
  flex-shrink: 0;
}

.benefit-item-text h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.benefit-item-text p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ==========================================
   INTERACTIVE CONTACT FORM MODAL
   ========================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 4, 8, 0.85);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-box {
  width: 90%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 40px;
  border-radius: 20px;
  border: 1px solid var(--border-glow);
  box-shadow: 0 20px 50px -10px var(--primary-glow);
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 25px;
}

.modal-header h2 {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
}

.modal-header p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
  padding: 4px;
}

.close-btn:hover {
  color: var(--text-primary);
}

/* Contact Form Elements */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 14px 18px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow-weak);
  background: rgba(255, 255, 255, 0.05);
}

.form-control::placeholder {
  color: var(--text-muted);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23a9abc4' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  background-size: 16px;
  padding-right: 45px;
}

.form-submit-row {
  margin-top: 30px;
}

.form-honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.form-status-message {
  display: none;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 14px;
  line-height: 1.5;
}

.form-status-message.active {
  display: block;
}

.form-status-message.error {
  color: #ffd4d9;
  background: rgba(143, 19, 44, 0.18);
  border-color: rgba(255, 95, 132, 0.38);
}

.form-submit-row .neon-glow-btn {
  width: 100%;
  text-align: center;
  border: none;
}

.form-submit-row .neon-glow-btn:disabled {
  opacity: 0.7;
  cursor: wait;
}

.success-message {
  display: none;
  text-align: center;
  padding: 30px 0;
  animation: fade-in 0.4s ease-out;
}

.success-message svg {
  color: var(--secondary);
  margin-bottom: 20px;
}

.success-message h3 {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.success-message p {
  color: var(--text-secondary);
  font-size: 15px;
}

/* ==========================================
   FOOTER SECTION
   ========================================== */
footer {
  border-top: 1px solid var(--border-light);
  padding: 60px 40px;
  background-color: #020204;
  position: relative;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
}

.footer-copyright {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-meta {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.footer-meta a {
  color: var(--secondary);
  text-decoration: none;
}

.footer-meta a:hover {
  text-decoration: underline;
}

/* ==========================================
   RESPONSIVE MEDIA QUERIES
   ========================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 50px;
  }
  .speakers-container {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .concept-grid, .sponsors-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .brand-benefits-box {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .benefits-box-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  header {
    padding: 15px 20px;
  }
  header.scrolled {
    padding: 12px 20px;
  }
  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(4, 4, 8, 0.95);
    border-bottom: 1px solid var(--border-light);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 30px;
    gap: 20px;
    align-items: center;
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
  }
  nav.active {
    display: flex;
  }
  .menu-toggle {
    display: flex;
  }
  .header-cta .neon-glow-btn {
    display: none;
  }
  
  #hero {
    flex-direction: column;
    text-align: center;
    padding-top: 100px;
    gap: 40px;
  }
  .hero-meta {
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
  }
  .hero-actions {
    justify-content: center;
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .neon-glow-btn {
    width: 100%;
    text-align: center;
  }
  .hero-visual {
    margin-top: 20px;
  }
  .core-container {
    width: 260px;
    height: 260px;
  }
  .orb-ring-1 { width: 260px; height: 260px; }
  .orb-ring-2 { width: 200px; height: 200px; }
  .orb-ring-3 { width: 140px; height: 140px; }
  
  .speaker-card {
    flex-direction: column;
    text-align: center;
    padding: 30px;
  }
  .timeline-item {
    flex-direction: column;
    gap: 15px;
    padding: 24px;
  }
  .timeline-time {
    width: 100%;
  }
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  .footer-meta {
    align-items: center;
  }
}

/* ==========================================
   KEY TOPICS SECTION STYLING
   ========================================== */
#topics {
  border-top: 1px solid var(--border-light);
  padding: 100px 20px;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.topic-item {
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.topic-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--secondary);
}

.topic-bullet {
  width: 10px;
  height: 10px;
  background-color: var(--secondary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--secondary-glow);
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .topics-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================
   FUTURISTIC LOADING STATE (PRELOADER)
   ========================================== */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #05070c;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s cubic-bezier(0.25, 0.8, 0.25, 1), visibility 0.8s;
}

.preloader.fade-out {
  opacity: 0;
  visibility: hidden;
}

.preloader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.preloader-logo {
  height: 55px;
  object-fit: contain;
  filter: drop-shadow(0 0 15px var(--primary-glow));
  animation: preloader-pulse 2s infinite ease-in-out;
}

.preloader-bar-container {
  width: 240px;
  height: 3px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border-light);
}

.preloader-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--secondary) 0%, var(--primary) 50%, var(--accent-pink) 100%);
  box-shadow: 0 0 10px var(--secondary-glow);
  animation: preloader-fill 1.8s forwards cubic-bezier(0.4, 0, 0.2, 1);
}

.preloader-text {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  text-shadow: 0 0 5px rgba(255,255,255,0.05);
}

@keyframes preloader-pulse {
  0% { transform: scale(0.96); opacity: 0.7; }
  50% { transform: scale(1.04); opacity: 1; filter: drop-shadow(0 0 25px var(--primary)) drop-shadow(0 0 12px var(--secondary)); }
  100% { transform: scale(0.96); opacity: 0.7; }
}

@keyframes preloader-fill {
  0% { width: 0%; }
  100% { width: 100%; }
}

/* ==========================================
   NAVBAR BRAND LOGO
   ========================================== */
.brand-logo-img {
  height: 48px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px var(--primary-glow-weak));
  transition: var(--transition-smooth);
}

.brand-logo-img:hover {
  filter: drop-shadow(0 0 12px var(--secondary-glow));
  transform: scale(1.02);
}

/* ==========================================
   HERO BRAND BADGE & WATERMARK
   ========================================== */
.hero-brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(24, 32, 76, 0.45);
  border: 1px solid var(--border-light);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
  box-shadow: inset 0 0 12px rgba(255,255,255,0.02);
}

.hero-badge-logo {
  height: 18px;
  object-fit: contain;
}

.hero-badge-text {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--secondary);
}

/* ==========================================
   GIGANTIC CENTERPIECE SHAPE ANIMATION
   ========================================== */
.hero-visual {
  flex: 0.8;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.centerpiece-container {
  width: 100%;
  max-width: 580px;
  height: 580px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: transform 0.1s ease-out; /* Smooth JS mouse parallax response */
}

.centerpiece-glow {
  position: absolute;
  width: 120%;
  height: 120%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(233, 0, 122, 0.18) 0%, rgba(92, 248, 223, 0.12) 40%, rgba(0, 0, 0, 0) 70%);
  filter: blur(60px);
  z-index: 0;
  pointer-events: none;
  animation: centerpiece-glow-pulse 8s infinite alternate ease-in-out;
}

.hero-shape-bg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 2;
  will-change: transform, filter;
  filter: drop-shadow(0 0 40px rgba(210, 127, 230, 0.45)) drop-shadow(0 0 80px rgba(92, 248, 223, 0.25));
  animation: dynamic-centerpiece-float 15s infinite alternate ease-in-out;
  transform-origin: center center;
}

.hero-shape-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 3;
  pointer-events: none;
  will-change: transform, filter;
  filter: drop-shadow(0 0 30px rgba(92, 248, 223, 0.35));
  animation: dynamic-centerpiece-float-overlay 15s infinite alternate ease-in-out;
  transform-origin: center center;
}

@keyframes centerpiece-glow-pulse {
  0% { transform: scale(0.9) rotate(0deg); opacity: 0.6; }
  100% { transform: scale(1.15) rotate(180deg); opacity: 0.95; }
}

@keyframes dynamic-centerpiece-float {
  0% {
    transform: translateY(0px) rotate(0deg) scale(0.95);
    filter: drop-shadow(0 0 35px rgba(210, 127, 230, 0.4)) drop-shadow(0 0 70px rgba(92, 248, 223, 0.2)) blur(0px);
  }
  33% {
    filter: drop-shadow(0 0 40px rgba(233, 0, 122, 0.5)) drop-shadow(0 0 80px rgba(92, 248, 223, 0.3)) blur(0.5px) hue-rotate(8deg);
  }
  66% {
    filter: drop-shadow(0 0 45px rgba(0, 245, 160, 0.35)) drop-shadow(0 0 90px rgba(210, 127, 230, 0.25)) blur(0px) hue-rotate(-8deg);
  }
  100% {
    transform: translateY(-20px) rotate(6deg) scale(1.02);
    filter: drop-shadow(0 0 50px rgba(210, 127, 230, 0.4)) drop-shadow(0 0 100px rgba(92, 248, 223, 0.2)) blur(0.5px) hue-rotate(15deg);
  }
}

/* Make it gigantic and absolute positioned on desktop to bleed off-screen */
@media (min-width: 1025px) {
  .hero-visual {
    position: absolute;
    right: -13vw;
    top: 10vh;
    width: 45vw;
    height: 80vh;
    flex: none;
    pointer-events: none;
    z-index: 1;
    overflow: visible;
  }
  .centerpiece-container {
    width: 100%;
    height: 100%;
    max-width: none;
  }
  .hero-content {
    flex: 1;
    max-width: 680px;
    z-index: 2;
    position: relative;
  }
}

@media (max-width: 1024px) {
  .centerpiece-container {
    max-width: 440px;
    height: 440px;
  }
  .hero-shape-bg {
    animation: dynamic-centerpiece-float-mobile 12s infinite alternate ease-in-out;
  }
  .hero-shape-overlay {
    animation: dynamic-centerpiece-float-overlay-mobile 12s infinite alternate ease-in-out;
  }
}

@media (max-width: 768px) {
  .centerpiece-container {
    max-width: 380px;
    height: 380px;
  }
}

@keyframes dynamic-centerpiece-float-mobile {
  0% {
    transform: translateY(0px) rotate(0deg) scale(1.05);
    filter: drop-shadow(0 0 30px rgba(210, 127, 230, 0.4)) drop-shadow(0 0 60px rgba(92, 248, 223, 0.2));
  }
  100% {
    transform: translateY(-15px) rotate(4deg) scale(1.1);
    filter: drop-shadow(0 0 45px rgba(233, 0, 122, 0.5)) drop-shadow(0 0 90px rgba(92, 248, 223, 0.25)) hue-rotate(12deg);
  }
}

@keyframes dynamic-centerpiece-float-overlay {
  0% {
    transform: translateY(0px) rotate(0deg) scale(0.95);
    filter: drop-shadow(0 0 20px rgba(92, 248, 223, 0.3)) blur(0px);
  }
  33% {
    transform: translateY(-5px) rotate(2deg) scale(0.97);
    filter: drop-shadow(0 0 25px rgba(233, 0, 122, 0.4)) blur(0.2px) hue-rotate(5deg);
  }
  66% {
    transform: translateY(5px) rotate(-2deg) scale(0.93);
    filter: drop-shadow(0 0 30px rgba(0, 245, 160, 0.35)) blur(0px) hue-rotate(-5deg);
  }
  100% {
    transform: translateY(-15px) rotate(4deg) scale(1.0);
    filter: drop-shadow(0 0 35px rgba(210, 127, 230, 0.35)) blur(0.2px) hue-rotate(10deg);
  }
}

@keyframes dynamic-centerpiece-float-overlay-mobile {
  0% {
    transform: translateY(0px) rotate(0deg) scale(1.05);
    filter: drop-shadow(0 0 15px rgba(92, 248, 223, 0.25));
  }
  100% {
    transform: translateY(-10px) rotate(3deg) scale(1.08);
    filter: drop-shadow(0 0 25px rgba(233, 0, 122, 0.35)) hue-rotate(8deg);
  }
}

/* ==========================================
   TARGET AUDIENCE (PERFIL DE ASISTENTES)
   ========================================== */
.audience-showcase {
  margin-top: 60px;
  padding: 45px;
  border-radius: 20px;
  border: 1px solid var(--border-light);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.audience-showcase-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: center;
  margin-bottom: 35px;
}

.audience-showcase-header h3 {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.audience-showcase-header p {
  color: var(--text-secondary);
  max-width: 780px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.6;
}

.audience-chips-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  max-width: 900px;
  margin: 0 auto;
}

.audience-chip {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  padding: 10px 22px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition-smooth);
  cursor: default;
}

.audience-chip:hover {
  background: var(--bg-card-hover);
  border-color: var(--secondary);
  color: var(--secondary);
  box-shadow: 0 4px 15px rgba(92, 248, 223, 0.15);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .audience-showcase {
    padding: 30px 20px;
  }
  .audience-showcase-header h3 {
    font-size: 22px;
  }
  .audience-chip {
    padding: 8px 16px;
    font-size: 13px;
  }
}

/* ==========================================
   EXPERIENCE INCLUSIONS BOX
   ========================================== */
.inclusions-box {
  margin: 60px 0;
  padding: 50px;
  border-radius: 20px;
  border: 1px solid var(--border-cyan);
  background: rgba(24, 32, 76, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  box-shadow: 0 15px 40px -15px var(--secondary-glow);
}

.inclusions-content {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 50px;
  align-items: center;
}

.inclusions-meta h3 {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.25;
  margin-top: 8px;
  margin-bottom: 15px;
}

.inclusions-meta p {
  color: var(--text-secondary);
  font-size: 14.5px;
  line-height: 1.6;
}

.inclusions-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.inclusion-bullet-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.inclusion-bullet-item svg {
  color: var(--secondary);
  filter: drop-shadow(0 0 5px var(--secondary-glow));
  margin-top: 3px;
  flex-shrink: 0;
}

.inclusion-bullet-item span {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.4;
}

.inclusions-disclaimer {
  text-align: center;
  margin-top: 35px;
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
  border-top: 1px solid var(--border-light);
  padding-top: 20px;
}

@media (max-width: 1024px) {
  .inclusions-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .inclusions-box {
    padding: 30px 20px;
  }
  .inclusions-meta h3 {
    font-size: 24px;
  }
  .inclusions-list-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
}

/* ==========================================
   BRAND LOGOS & GENERAL BRANDING
   ========================================== */
.footer-logo-img {
  height: 38px;
  object-fit: contain;
  transition: var(--transition-smooth);
}

.footer-logo-img:hover {
  transform: scale(1.03);
}

.modal-header-branding {
  display: flex;
  align-items: center;
  gap: 16px;
}

.modal-header-logo {
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px var(--primary-glow));
}

@media (max-width: 768px) {
  .modal-header-branding {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .modal-header-logo {
    height: 30px;
  }
}

/* ==========================================
   RESPONSIVE GRIDS FOR NEW LAYOUTS
   ========================================== */
.experience-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-bottom: 40px;
}

.benefits-grid-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.concept-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
}

/* Row splits for Miami & Recognition */
.split-row {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.academic-split-row {
  grid-template-columns: 0.95fr 1.05fr;
}

.split-img-wrapper {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  position: relative;
  transition: var(--transition-smooth);
}

.split-img-wrapper:hover {
  border-color: var(--primary-glow);
  box-shadow: 0 15px 35px rgba(210, 127, 230, 0.15);
}

.split-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.academic-logo-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  height: 150px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 6px 20px rgba(0, 0, 0, 0.8));
  z-index: 10;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), filter 0.3s ease;
}

.split-img-wrapper:hover .academic-logo-overlay {
  transform: translate(-50%, -50%) scale(1.08);
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.95));
}


.diploma-composition {
  position: relative;
  display: block;
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  background: rgba(255, 255, 255, 0.02);
  padding: 0;
  line-height: 0;
  transition: var(--transition-smooth);
}

.diploma-composition:hover {
  border-color: var(--secondary-glow);
  box-shadow: 0 15px 35px rgba(210, 127, 230, 0.15);
}

.composition-main-img {
  width: 100%;
  height: auto;
  border-radius: 11px;
  display: block;
  object-fit: cover;
}

.composition-diploma-img {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 48%;
  height: auto;
  border-radius: 8px;
  filter: drop-shadow(0 12px 25px rgba(0, 0, 0, 0.7));
  transform: rotate(-5deg);
  z-index: 5;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), filter 0.4s ease;
  display: block;
}

.diploma-composition:hover .composition-diploma-img {
  transform: translate(-5px, -5px) rotate(-2deg) scale(1.04);
  filter: drop-shadow(0 20px 35px rgba(0, 0, 0, 0.85));
}


/* Redesigned Agenda Timeline */
.agenda-timeline {
  position: relative;
  max-width: 900px;
  margin: 40px auto 0 auto;
  display: flex;
  flex-direction: column;
  gap: 35px;
}

.agenda-timeline::before {
  content: "";
  position: absolute;
  top: 50px;
  left: 60px;
  width: 2px;
  height: calc(100% - 100px);
  background: linear-gradient(to bottom, var(--secondary-glow), var(--primary-glow), var(--accent-pink-glow));
  z-index: 0;
  opacity: 0.5;
}

.timeline-day-row {
  display: flex;
  gap: 30px;
  align-items: stretch;
  position: relative;
  z-index: 1;
}

.timeline-day-num-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 120px;
  flex-shrink: 0;
  justify-content: center;
}

.day-label-text {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 800;
  color: var(--text-secondary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.day-number-text {
  font-family: var(--font-heading);
  font-size: 64px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 15px rgba(92, 248, 223, 0.25));
  margin: 0;
}

.timeline-day-card {
  flex-grow: 1;
  padding: 30px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.timeline-day-header {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.timeline-activities-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.timeline-activities-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text-secondary);
}

.timeline-activities-list li .activity-bullet {
  color: var(--secondary);
  font-weight: bold;
}

@media (max-width: 1024px) {
  .experience-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .benefits-grid-list {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .concept-intro-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================
   DECORATIVE BACKDROP 3D SHAPES
   ========================================== */
.decorative-shape {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  opacity: 0.08; /* Very subtle, premium backdrop */
  filter: blur(5px) drop-shadow(0 0 30px var(--secondary-glow));
  animation: dynamic-bg-float 25s infinite alternate ease-in-out;
  transform-origin: center center;
}

.shape-concept {
  top: 5%;
  left: -12vw;
  width: 32vw;
  height: 32vw;
}

.shape-agenda {
  bottom: 5%;
  right: -12vw;
  width: 36vw;
  height: 36vw;
  animation-delay: -7s;
}

@keyframes dynamic-bg-float {
  0% {
    transform: translateY(0px) rotate(0deg) scale(0.95);
    opacity: 0.06;
  }
  50% {
    opacity: 0.09;
    transform: translateY(-25px) rotate(10deg) scale(1.02);
  }
  100% {
    transform: translateY(15px) rotate(-10deg) scale(0.97);
    opacity: 0.06;
  }
}

@media (max-width: 1024px) {
  .decorative-shape {
    opacity: 0.04;
    filter: blur(8px);
  }
  .shape-concept {
    width: 45vw;
    height: 45vw;
    left: -15vw;
  }
  .shape-agenda {
    width: 50vw;
    height: 50vw;
    right: -15vw;
  }
}

/* ==========================================
   MOBILE & IPHONE RESPONSIVENESS OVERRIDES
   ========================================== */
@media (max-width: 480px) {
  /* Headings Sizing */
  .hero-title {
    font-size: 32px !important;
    line-height: 1.15;
    margin-bottom: 15px;
  }
  .hero-subtitle-bajada {
    font-size: 16px !important;
    margin-bottom: 15px;
  }
  .hero-subtitle {
    font-size: 14px !important;
    line-height: 1.5;
    margin-bottom: 25px;
  }
  .section-title {
    font-size: 26px !important;
    line-height: 1.25;
    margin-bottom: 15px;
  }
  .section-desc {
    font-size: 14px !important;
    margin-bottom: 30px;
  }
  
  /* Section Spacing */
  section {
    padding: 60px 15px !important;
  }
  
  /* Hero Spacing */
  #hero {
    padding-top: 80px !important;
    gap: 20px !important;
  }
  
  /* Centerpiece adjustment */
  .centerpiece-container {
    max-width: 320px !important;
    height: 320px !important;
  }
  
  /* Concept cards, grids, etc */
  .concept-card, .speaker-card, .timeline-item, .brand-benefits-box {
    padding: 24px 20px !important;
    gap: 15px !important;
  }
  .concept-intro-card {
    padding: 24px 20px !important;
  }
  
  /* Grids adjustments */
  .concept-intro-grid {
    gap: 15px !important;
  }
  
  /* Audience showcases & tags */
  .audience-chips-container {
    gap: 8px !important;
  }
  .audience-chip {
    padding: 6px 12px !important;
    font-size: 12px !important;
  }
  
  /* Speakers info */
  .speaker-card {
    padding: 25px 15px !important;
  }
  .speaker-img-wrapper {
    width: 140px !important;
    height: 140px !important;
  }
  .speaker-info h3 {
    font-size: 18px !important;
  }
  .speaker-title {
    font-size: 12px !important;
    margin-bottom: 8px !important;
  }
  .speaker-bio {
    font-size: 13px !important;
  }
  
  /* Timeline/Agenda */
  .timeline-details ul {
    gap: 10px !important;
  }
  .timeline-details li {
    font-size: 14px !important;
  }
  
  /* Experience Grid / Benefits list spacing */
  .experience-grid {
    gap: 15px !important;
  }
  .experience-grid .glass-panel {
    padding: 24px 15px !important;
  }
  
  /* Form input heights */
  .form-control {
    padding: 10px 14px !important;
    font-size: 14px !important;
  }
  
  /* Preloader size */
  .preloader-logo {
    height: 35px !important;
  }
  .preloader-text {
    font-size: 10px !important;
  }
  
  /* Modal responsive spacing */
  .modal-box {
    padding: 24px 15px !important;
    border-radius: 12px !important;
  }
  .modal-header h2 {
    font-size: 20px !important;
  }
  
  /* CTA buttons */
  .neon-glow-btn {
    padding: 10px 20px !important;
    font-size: 13px !important;
  }
}

/* ==========================================
   ADDITIONAL RESPONSIVE ADJUSTMENTS (TABLET & MOBILE)
   ========================================== */
@media (max-width: 768px) {
  body {
    background-image: none !important;
    background-color: #05070c !important;
  }

  .ambient-background {
    background-image: linear-gradient(rgba(5, 7, 12, 0.4), rgba(5, 7, 12, 0.6)), url('assets/bg-main-MOBILE.webp') !important;
    background-size: cover !important;
    background-position: center center !important;
    background-repeat: no-repeat !important;
  }

  .bg-video-element {
    display: none !important;
  }

  html, body {
    max-width: 100%;
    overflow-x: hidden;
  }

  section {
    overflow: hidden;
  }

  /* Make background ambient glows static on mobile */
  .glow-orb {
    animation: none !important;
  }

  .split-row,
  .academic-split-row {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .split-img-wrapper {
    max-width: 100%;
    margin-top: 10px;
  }

  .academic-logo-overlay {
    top: 50%;
    right: auto;
    left: 50%;
    transform: translate(-50%, -50%);
    height: 90px;
  }


  .diploma-composition {
    margin-top: 10px;
    margin-left: -24px !important;
    margin-right: -24px !important;
    width: calc(100% + 48px) !important;
    max-width: none !important;
    border-radius: 0 !important;
    border-left: none !important;
    border-right: none !important;
  }

  .composition-main-img {
    border-radius: 0 !important;
  }

  .composition-diploma-img {
    bottom: 15px;
    right: 15px;
    width: 48%;
    border-radius: 6px !important;
  }

  .agenda-timeline::before {
    display: none;
  }

  .timeline-day-row {
    flex-direction: column;
    gap: 15px;
  }

  .timeline-day-num-col {
    width: 100%;
    flex-direction: row;
    justify-content: flex-start;
    gap: 15px;
    align-items: center;
  }

  .day-number-text {
    font-size: 48px;
  }

  .day-label-text {
    font-size: 12px;
    margin-bottom: 0;
  }

  .timeline-day-card {
    padding: 20px 25px;
  }
}

@media (max-width: 480px) {
  /* Key Topics - 2-column grid for space efficiency */
  .topics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .topic-item {
    padding: 10px 12px;
    font-size: 11.5px;
    gap: 8px;
    align-items: flex-start;
  }
  .topic-bullet {
    width: 6px;
    height: 6px;
    margin-top: 5px;
  }

  /* Benefits & Experience Box - compact list */
  .benefits-box-list {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .benefit-item {
    gap: 8px;
    font-size: 13px;
    align-items: flex-start;
  }
  .benefit-item svg {
    width: 14px;
    height: 14px;
    margin-top: 3px;
  }

  /* Agenda Timeline - compact card spacing */
  .timeline-day-card {
    padding: 15px 18px !important;
  }
  .timeline-day-header {
    font-size: 16px !important;
    margin-bottom: 8px !important;
  }
  .timeline-activities-list {
    gap: 8px !important;
  }
  .timeline-activities-list li {
    font-size: 13px !important;
    gap: 8px !important;
  }
}