/* ══════════════════════════════════════════════════════════════
   KBF DFW — Kingdom Business Conference Landing Page
   Self-contained styles, no external framework dependencies
   ══════════════════════════════════════════════════════════════ */

/* ─── Design Tokens ─── */
:root {
  --black: #000;
  --white: #fff;
  --purple: #5856d6;
  --purple-glow: rgba(88, 86, 214, 0.45);
  --cyan-accent: rgba(0, 229, 255, 0.12);
  --teal-border: #78b8be;
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-bg-hover: rgba(255, 255, 255, 0.07);
  --glass-blur: blur(12px);
  --glass-radius: 20px;
  --glass-shadow: 0px 2px 53px rgba(0, 0, 0, 0.25);
  --text-shadow: 0px 2px 36px rgba(0, 0, 0, 0.7);
  --gradient-title: linear-gradient(91.5deg, rgb(147, 226, 230) 0%, rgb(255, 251, 210) 23%, rgb(255, 255, 255) 83%, rgb(255, 188, 201) 100%);
  --gradient-conference: linear-gradient(-20deg, rgb(169, 32, 38) 4%, rgb(242, 192, 58) 54%);
  --font-primary: 'Montserrat', sans-serif;
  --font-script: 'Dancing Script', cursive;
  --container-max: 1200px;
  --section-padding: 64px 0;
  --section-padding-mobile: 40px 0;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-primary);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: inherit; }

/* ─── Container ─── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Section Defaults ─── */
.section { padding: var(--section-padding); position: relative; }
.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 36px;
  text-shadow: var(--text-shadow);
}
.gradient-text {
  background: var(--gradient-title);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Glass Card Base ─── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ═══════════════════════════════════════════════════════════════
   STICKY HEADER
   ═══════════════════════════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--teal-border);
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5); }
.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
}
.header-logo {
  font-family: var(--font-primary);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 2px;
  display: flex;
  gap: 2px;
}
.logo-k { color: rgb(147, 226, 230); }
.logo-b { color: rgb(255, 251, 210); }
.logo-f { color: rgb(255, 188, 201); }

.header-nav { display: flex; align-items: center; gap: 28px; }
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  opacity: 0.8;
  transition: opacity 0.2s;
}
.nav-link:hover { opacity: 1; }
.nav-cta {
  font-size: 0.875rem;
  font-weight: 700;
  padding: 10px 24px;
  border-radius: 50px;
  background: var(--purple);
  transition: box-shadow 0.3s, transform 0.2s;
}
.nav-cta:hover { box-shadow: 0 0 20px var(--purple-glow); transform: translateY(-1px); }

/* Mobile hamburger */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.mobile-menu-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 110px 24px 48px;
  overflow: visible;
}
.hero-bg {
  position: absolute;
  inset: 0;
  bottom: -120px;
  background:
    /* Molten lava core */
    radial-gradient(ellipse 55% 45% at 50% 50%, rgba(180, 40, 10, 0.45) 0%, transparent 70%),
    radial-gradient(ellipse 70% 55% at 40% 45%, rgba(120, 20, 25, 0.5) 0%, transparent 65%),
    radial-gradient(ellipse 60% 45% at 65% 40%, rgba(160, 60, 10, 0.4) 0%, transparent 70%),
    radial-gradient(ellipse 40% 35% at 55% 70%, rgba(220, 100, 15, 0.2) 0%, transparent 65%),
    /* Cool prismatic edges */
    radial-gradient(ellipse 35% 40% at 5% 60%, rgba(60, 30, 140, 0.35) 0%, transparent 70%),
    radial-gradient(ellipse 30% 35% at 95% 40%, rgba(30, 100, 70, 0.25) 0%, transparent 70%),
    radial-gradient(ellipse 35% 30% at 10% 20%, rgba(30, 60, 160, 0.2) 0%, transparent 70%),
    radial-gradient(ellipse 30% 35% at 90% 80%, rgba(80, 20, 120, 0.2) 0%, transparent 70%),
    var(--black);
  mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
  animation: heroDrift 20s ease-in-out infinite alternate;
}
@keyframes heroDrift {
  0% { transform: scale(1) translate(0, 0); }
  50% { transform: scale(1.05) translate(-2%, 1%); }
  100% { transform: scale(1.02) translate(1%, -1%); }
}
/* ─── Prismatic Light Effect ─── */
.prism-light {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: screen;
  background: url('../assets/effects/bg-fractiles-opt.png') center/cover no-repeat;
}

/* Hero: full coverage, bottom-right emphasis */
.prism-light--hero {
  width: 140%;
  height: 140%;
  right: -25%;
  bottom: -20%;
  opacity: 0.65;
  transform: rotate(-15deg);
  mask-image: radial-gradient(ellipse 75% 75% at 60% 55%, black 15%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 75% 75% at 60% 55%, black 15%, transparent 70%);
  animation: prism-drift-hero 24s ease-in-out infinite alternate;
}

@keyframes prism-drift-hero {
  0% { transform: rotate(-15deg) translate(0, 0); }
  100% { transform: rotate(-13deg) translate(1%, -0.8%); }
}

/* Speakers — clean, no background image */
.speakers { position: relative; overflow: hidden; }
.prism-light--speakers-l,
.prism-light--speakers-r {
  display: none;
}

/* Speaker card layout */
.speaker-card { position: relative; }
.speaker-photo { position: relative; }

/* Learn section — prism light contained within learn, no bleed into speakers */
.prism-light--learn {
  width: 130%;
  height: 130%;
  left: -15%;
  top: -15%;
  opacity: 0.4;
  transform: rotate(5deg);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 10%, transparent 60%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 10%, transparent 60%);
  animation: prism-drift-learn 26s ease-in-out infinite alternate;
}

@keyframes prism-drift-learn {
  0% { transform: rotate(5deg) translate(0, 0); }
  100% { transform: rotate(3deg) translate(-1%, 1%); }
}

/* Registration — subtle right accent */
.register { position: relative; overflow: hidden; }
.prism-light--register {
  width: 100%;
  height: 120%;
  right: -20%;
  top: -10%;
  opacity: 0.3;
  transform: rotate(-25deg);
  mask-image: radial-gradient(ellipse 60% 60% at 65% 45%, black 5%, transparent 55%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 65% 45%, black 5%, transparent 55%);
  animation: prism-drift-reg 30s ease-in-out infinite alternate;
}

@keyframes prism-drift-reg {
  0% { transform: rotate(-25deg) translate(0, 0); }
  100% { transform: rotate(-23deg) translate(0.5%, -0.5%); }
}

.hero-content { position: relative; z-index: 1; max-width: 800px; }

.hero-title { margin-bottom: 24px; }
.title-kingdom {
  display: block;
  font-size: clamp(2.8rem, 8vw, 4.5rem);
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: var(--gradient-title);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.title-conference {
  display: block;
  font-family: var(--font-script);
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 700;
  background: var(--gradient-conference);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transform: rotate(-4deg);
  margin-top: -8px;
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 400;
  opacity: 0.9;
  text-shadow: var(--text-shadow);
  margin-bottom: 36px;
}

.hero-date { margin-bottom: 36px; }
.date-main {
  display: block;
  font-size: clamp(1.8rem, 4.5vw, 3.1rem);
  font-weight: 700;
  letter-spacing: 4px;
  text-shadow: var(--text-shadow);
}
.date-time {
  display: block;
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 500;
  opacity: 0.8;
  margin-top: 4px;
}

/* Hero Badges */
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(88, 86, 214, 0.4);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 0, 0, 0.3);
  box-shadow: 0 0 12px rgba(88, 86, 214, 0.15);
}
.badge-price { border-color: rgba(88, 86, 214, 0.6); box-shadow: 0 0 20px rgba(88, 86, 214, 0.25); }
.badge svg { flex-shrink: 0; }

/* CTA Button */
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 48px;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  border-radius: 60px;
  border: none;
  color: var(--white);
  background: var(--purple);
  position: relative;
  z-index: 1;
  transition: transform 0.25s, box-shadow 0.3s;
  cursor: pointer;
}
.cta-button:hover { transform: translateY(-2px); }

/* Animated glow border */
.cta-glow {
  background:
    linear-gradient(var(--purple), var(--purple)) padding-box,
    conic-gradient(from var(--glow-angle, 0deg), #5856d6, #93e2e6, #ffc4c9, #f2c03a, #5856d6) border-box;
  border: 2px solid transparent;
  animation: glowSpin 4s linear infinite;
}
@property --glow-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}
@keyframes glowSpin {
  to { --glow-angle: 360deg; }
}
.cta-glow::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 60px;
  background: conic-gradient(from var(--glow-angle, 0deg), rgba(88,86,214,0.4), rgba(147,226,230,0.3), rgba(255,196,201,0.3), rgba(242,192,58,0.3), rgba(88,86,214,0.4));
  filter: blur(14px);
  z-index: -1;
  animation: glowSpin 4s linear infinite;
  opacity: 0.7;
}
.cta-button:hover { box-shadow: 0 0 40px var(--purple-glow); }

.hero-register-link {
  margin-top: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  opacity: 0.5;
}
.hero-register-link a { text-decoration: underline; opacity: 0.8; }
.hero-register-link a:hover { opacity: 1; }

/* ═══════════════════════════════════════════════════════════════
   SPEAKERS
   ═══════════════════════════════════════════════════════════════ */
.speakers { padding-top: 32px; padding-bottom: 32px; }
.learn { padding-top: 32px; }
.speaker-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
  z-index: 1;
  isolation: isolate;
}
.speaker-card {
  background: #060608;
  border-radius: var(--glass-radius);
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  transition: transform 0.35s, box-shadow 0.35s;
}
.speaker-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 8px 40px rgba(88, 86, 214, 0.2), var(--glass-shadow);
}
.speaker-photo {
  aspect-ratio: 3/4;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  position: relative;
  overflow: hidden;
}
.speaker-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
}

/* Photo fade — solid black bottom that fades smoothly into the image */
.speaker-photo::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 75%;
  background: linear-gradient(to top, rgba(6,6,8,1) 0%, rgba(6,6,8,1) 20%, rgba(6,6,8,0.92) 30%, rgba(6,6,8,0.7) 45%, rgba(6,6,8,0.4) 60%, rgba(6,6,8,0.15) 75%, rgba(6,6,8,0.05) 88%, transparent 100%);
  z-index: 1;
  pointer-events: none;
}

/* Per-speaker photo positioning for consistent face framing */
/* Order: Schatzline, Porter, Ivey, Bravenboer, Allen, Burks */
.speaker-card:nth-child(1) .speaker-photo img { object-position: center 8%; }
.speaker-card:nth-child(2) .speaker-photo img { object-position: center 10%; }
.speaker-card:nth-child(3) .speaker-photo img { object-position: center 12%; }
.speaker-card:nth-child(4) .speaker-photo img { object-position: center 15%; }
.speaker-card:nth-child(5) .speaker-photo img { object-position: center 20%; }
.speaker-card:nth-child(6) .speaker-photo img { object-position: center 8%; }

/* Speaker name overlay — sits within the fade */
.speaker-name-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0 16px 14px;
  text-align: center;
  z-index: 2;
}
.speaker-first {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
}
.speaker-last {
  display: block;
  font-family: var(--font-script);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-conference);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: 2px;
}
.speaker-preview {
  padding: 14px 16px 12px;
  font-size: 0.8rem;
  line-height: 1.5;
  color: rgba(255,255,255,0.55);
  text-align: center;
  background: #060608;
}

/* Per-card "Learn More" and expandable bio */
.speaker-learn-more {
  display: block;
  width: 100%;
  padding: 10px 16px;
  background: #060608;
  border: none;
  border-top: 1px solid rgba(255,255,255,0.06);
  color: #f2c03a;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: color 0.2s, opacity 0.2s;
  text-align: center;
}
.speaker-learn-more:hover { opacity: 0.8; }
/* Text toggled via JS — no pseudo-element needed */
.speaker-bio {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 16px;
  background: #060608;
}
.speaker-card.bio-open .speaker-bio {
  max-height: 400px;
  padding: 12px 16px 18px;
}
.speaker-bio p {
  font-size: 0.8rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.6);
}
.speaker-bio em {
  font-style: italic;
  color: rgba(255,255,255,0.75);
}

/* ═══════════════════════════════════════════════════════════════
   WHAT YOU'LL LEARN
   ═══════════════════════════════════════════════════════════════ */
.learn { background: linear-gradient(180deg, transparent 0%, rgba(88, 86, 214, 0.03) 50%, transparent 100%); position: relative; overflow: hidden; }
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.pillar-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 36px 28px;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s;
}
.pillar-card:hover {
  transform: translateY(-4px);
  border-color: rgba(88, 86, 214, 0.3);
}
.pillar-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(88, 86, 214, 0.12);
  color: rgb(147, 226, 230);
  margin-bottom: 20px;
}
.pillar-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  background: var(--gradient-title);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pillar-list {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pillar-list li {
  font-size: 0.9rem;
  opacity: 0.8;
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}
.pillar-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-border);
}

/* ═══════════════════════════════════════════════════════════════
   EVENT DETAILS
   ═══════════════════════════════════════════════════════════════ */
.details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: stretch;
}
.details-info { padding: 32px; }
.details-venue { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 24px; }
.venue-icon { color: var(--teal-border); flex-shrink: 0; margin-top: 2px; }
.venue-name {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 2px;
}
.venue-address {
  font-size: 0.95rem;
  opacity: 0.7;
  margin-top: 4px;
}
.hosted-by {
  font-size: 1rem;
  opacity: 0.8;
  margin-bottom: 32px;
  padding-left: 40px;
}
.hosted-by strong { color: var(--teal-border); }
.schedule-heading {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-left: 40px;
}
.schedule-list { padding-left: 40px; display: flex; flex-direction: column; gap: 12px; }
.schedule-list li {
  font-size: 0.95rem;
  opacity: 0.8;
  display: flex;
  gap: 16px;
}
.schedule-time {
  font-weight: 700;
  color: var(--teal-border);
  min-width: 80px;
}
.details-map { overflow: hidden; }
.venue-photo-link {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
  text-decoration: none;
  color: #fff;
}
.venue-photo-link:hover img { transform: scale(1.03); }
.venue-photo-link img { transition: transform 0.4s ease; }
.venue-directions {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(10, 10, 14, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background 0.2s;
}
.venue-photo-link:hover .venue-directions {
  background: rgba(88, 86, 214, 0.8);
}

/* ═══════════════════════════════════════════════════════════════
   REGISTRATION
   ═══════════════════════════════════════════════════════════════ */
.register {
  background:
    radial-gradient(ellipse 60% 50% at 30% 50%, rgba(88, 86, 214, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(0, 229, 255, 0.06) 0%, transparent 70%);
}
.register-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--glass-radius);
  box-shadow:
    var(--glass-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 0 60px rgba(88, 86, 214, 0.06),
    inset 0 0 60px var(--cyan-accent);
  border: 1px solid rgba(88, 86, 214, 0.2);
  padding: 56px 44px;
  text-align: center;
}
.register-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 24px;
  text-shadow: var(--text-shadow);
}
/* Ticket tier selector */
.ticket-selector {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 12px;
}
.ticket-option {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 18px 10px 14px;
  cursor: pointer;
  transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
  text-align: center;
  color: var(--white);
  font-family: var(--font-primary);
}
.ticket-option:hover {
  border-color: rgba(88, 86, 214, 0.4);
  background: rgba(88, 86, 214, 0.08);
}
.ticket-option.active {
  border-color: var(--purple);
  background: rgba(88, 86, 214, 0.12);
  box-shadow: 0 0 20px rgba(88, 86, 214, 0.2);
}
.ticket-qty {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 4px;
}
.ticket-price {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient-title);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ticket-save {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  color: #4ade80;
  margin-top: 4px;
  letter-spacing: 0.3px;
}
.ticket-detail {
  font-size: 0.85rem;
  opacity: 0.5;
  margin-bottom: 32px;
  text-align: center;
}

.register-form { text-align: left; }
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  opacity: 0.9;
}
.form-input {
  width: 100%;
  padding: 14px 18px;
  font-size: 1rem;
  font-family: var(--font-primary);
  color: var(--white);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.form-input::placeholder { color: rgba(255, 255, 255, 0.3); }
.form-input:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(88, 86, 214, 0.2);
}

.payment-element-container {
  margin: 28px 0;
  min-height: 60px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.payment-message {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 16px;
  background: rgba(220, 38, 38, 0.1);
  border: 1px solid rgba(220, 38, 38, 0.3);
  color: #fca5a5;
}

.submit-btn {
  width: 100%;
  margin-top: 8px;
  font-size: 1.1rem;
}
.trust-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 0.8rem;
  opacity: 0.5;
  text-align: center;
}
.trust-line svg { color: rgba(255, 255, 255, 0.5); flex-shrink: 0; }
.guarantee {
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.4;
  margin-top: 8px;
}

/* ═══════════════════════════════════════════════════════════════
   FAQ
   ═══════════════════════════════════════════════════════════════ */
.faq-list {
  max-width: 740px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item[open] { border-color: rgba(88, 86, 214, 0.3); }
.faq-question {
  padding: 22px 28px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  transition: color 0.2s;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--teal-border);
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item[open] .faq-question::after {
  content: '\2212';
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 28px 22px;
  font-size: 0.95rem;
  opacity: 0.75;
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.site-footer {
  padding: 80px 0 48px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(0deg, rgba(88, 86, 214, 0.04) 0%, transparent 60%);
}

.countdown-block { margin-bottom: 36px; }
.countdown-label {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 20px;
}
.countdown {
  display: flex;
  justify-content: center;
  gap: 24px;
}
.countdown-unit { text-align: center; }
.cd-num {
  display: block;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  background: var(--gradient-title);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.cd-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0.5;
  margin-top: 4px;
}

.footer-cta-text {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  text-shadow: var(--text-shadow);
}
.footer-cta { margin-bottom: 40px; }
.footer-copy {
  font-size: 0.8rem;
  opacity: 0.35;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE — Tablet (768px)
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .speaker-grid { grid-template-columns: repeat(2, 1fr); }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-padding: 40px 0; }

  /* Remove backdrop-filter from header on mobile so fixed children work */
  .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: #000;
  }

  .header-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 32px;
    background: #000;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-left: 1px solid rgba(255, 255, 255, 0.06);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 20px;
    z-index: 9999;
  }
  .header-nav.open { transform: translateX(0); }
  .nav-link { font-size: 1rem; }
  .nav-cta { width: 100%; text-align: center; }
  .mobile-menu-btn { display: flex; z-index: 10000; position: relative; }

  .hero { padding: 100px 20px 60px; min-height: auto; }
  .prism-light--hero { opacity: 0.45; }
  .prism-light--speakers-l,
  .prism-light--speakers-r { display: none; }
  .prism-light--register { opacity: 0.15; }
  .hero-badges { gap: 8px; }
  .badge { font-size: 0.7rem; padding: 8px 14px; text-shadow: 0 1px 5px rgba(0,0,0,0.5); }

  .speaker-grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
  .pillars-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 16px;
    padding-bottom: 12px;
    scrollbar-width: none;
  }
  .pillars-grid::-webkit-scrollbar { display: none; }
  .pillar-card {
    flex: 0 0 85%;
    scroll-snap-align: center;
  }

  .details-grid { grid-template-columns: 1fr; }
  .details-info { padding: 28px; }
  .hosted-by, .schedule-heading, .schedule-list { padding-left: 0; }

  .register-card { padding: 36px 24px; }
  .ticket-selector { grid-template-columns: repeat(2, 1fr); }

  .countdown { gap: 16px; }
}

@media (max-width: 480px) {
  .hero-badges { flex-direction: column; align-items: center; }
  .cta-button { padding: 16px 36px; font-size: 1rem; }
}

/* ═══════════════════════════════════════════════════════════════
   PAYMENT LOADING STATE
   ═══════════════════════════════════════════════════════════════ */
.submit-btn.loading {
  opacity: 0.7;
  pointer-events: none;
  position: relative;
}
.submit-btn.loading::after {
  content: '';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: btnSpin 0.6s linear infinite;
}
@keyframes btnSpin {
  to { transform: translateY(-50%) rotate(360deg); }
}
.submit-btn:disabled {
  cursor: not-allowed;
}

/* ═══════════════════════════════════════════════════════════════
   SUCCESS OVERLAY
   ═══════════════════════════════════════════════════════════════ */
.success-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 24px;
  animation: overlayFadeIn 0.4s ease;
}
@keyframes overlayFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.success-overlay-content {
  text-align: center;
  max-width: 480px;
  padding: 56px 40px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--glass-radius);
  border: 1px solid rgba(88, 86, 214, 0.3);
  box-shadow:
    var(--glass-shadow),
    0 0 80px rgba(88, 86, 214, 0.15);
  animation: contentSlideUp 0.5s ease 0.1s both;
}
@keyframes contentSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.success-check {
  color: #4ade80;
  margin-bottom: 24px;
}
.success-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 12px;
  background: var(--gradient-title);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.success-subtitle {
  font-size: 1.1rem;
  opacity: 0.8;
  margin-bottom: 20px;
}
.success-event {
  font-size: 0.95rem;
  opacity: 0.6;
  line-height: 1.6;
  margin-bottom: 32px;
}
.success-dismiss {
  padding: 14px 40px;
  font-size: 1rem;
}

/* ═══════════════════════════════════════════════════════════════
   SPONSOR MODAL
   ═══════════════════════════════════════════════════════════════ */
.sponsor-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 24px;
  animation: overlayFadeIn 0.4s ease;
  overflow-y: auto;
}
.sponsor-overlay[hidden] { display: none; }

.sponsor-modal {
  position: relative;
  width: 100%;
  max-width: 560px;
  margin: auto;
  padding: 48px 40px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--glass-radius);
  border: 1px solid rgba(88, 86, 214, 0.3);
  box-shadow: var(--glass-shadow), 0 0 80px rgba(88, 86, 214, 0.15);
  animation: contentSlideUp 0.5s ease 0.1s both;
}

.sponsor-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s;
  z-index: 1;
}
.sponsor-close:hover { color: var(--white); }

.sponsor-title {
  font-size: 1.75rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 8px;
  text-shadow: var(--text-shadow);
}
.sponsor-subtitle {
  text-align: center;
  font-size: 0.95rem;
  opacity: 0.7;
  margin-bottom: 32px;
}

/* Tier cards */
.sponsor-tiers {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sponsor-tier {
  position: relative;
  display: block;
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  color: var(--white);
  font-family: var(--font-primary);
  cursor: pointer;
  transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
}
.sponsor-tier:hover {
  border-color: rgba(88, 86, 214, 0.4);
  background: rgba(88, 86, 214, 0.08);
}
.sponsor-tier.active {
  border-color: var(--purple);
  background: rgba(88, 86, 214, 0.12);
  box-shadow: 0 0 20px rgba(88, 86, 214, 0.2);
}

/* Title sponsor gold accent */
.sponsor-tier--title {
  border-color: rgba(242, 192, 58, 0.25);
}
.sponsor-tier--title:hover {
  border-color: rgba(242, 192, 58, 0.5);
  background: rgba(242, 192, 58, 0.06);
}
.sponsor-tier--title.active {
  border-color: rgba(242, 192, 58, 0.7);
  background: rgba(242, 192, 58, 0.1);
  box-shadow: 0 0 20px rgba(242, 192, 58, 0.2);
}
.sponsor-tier-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: #f2c03a;
  background: rgba(242, 192, 58, 0.12);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.sponsor-tier-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
}
.sponsor-tier-name {
  font-size: 1rem;
  font-weight: 700;
}
.sponsor-tier-price {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-title);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sponsor-tier-benefits {
  display: flex;
  flex-direction: column;
  gap: 6px;
  list-style: none;
}
.sponsor-tier-benefits li {
  font-size: 0.8rem;
  opacity: 0.7;
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}
.sponsor-tier-benefits li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-border);
}

/* Sponsor form heading */
.sponsor-form-heading {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* FAQ sponsor link */
.faq-sponsor-link {
  color: var(--teal-border);
  text-decoration: underline;
  cursor: pointer;
}
.faq-sponsor-link:hover { opacity: 0.8; }

/* Footer sponsor link */
.footer-sponsor-text {
  font-size: 0.85rem;
  opacity: 0.5;
  margin-bottom: 16px;
}
.footer-sponsor-link {
  color: var(--teal-border);
  text-decoration: underline;
}
.footer-sponsor-link:hover { opacity: 0.8; }

/* Sponsor modal responsive */
@media (max-width: 768px) {
  .sponsor-modal { padding: 36px 24px; }
  .sponsor-title { font-size: 1.5rem; }
  .sponsor-tier { padding: 16px 18px; }
  .sponsor-tier-price { font-size: 1.25rem; }
}