:root {
  color-scheme: dark;
  --page-bg: #020617;
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.75);
  --sun: #facc15;
  --surface: rgba(15, 23, 42, 0.75);
  --glass-border: rgba(148, 163, 184, 0.18);
  --white-05: rgba(255, 255, 255, 0.05);
  --white-08: rgba(255, 255, 255, 0.08);
  --white-15: rgba(255, 255, 255, 0.15);

  --spacing-section: clamp(4rem, 8vw, 6rem);
  --spacing-content: clamp(3rem, 6vw, 4rem);
  --spacing-card: clamp(1.5rem, 3vw, 2rem);
  --spacing-gap: clamp(1rem, 2vw, 1.5rem);
}

html {
  scroll-behavior: smooth;
  background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.12), transparent 45%),
    radial-gradient(circle at 90% 10%, rgba(250, 204, 21, 0.12), transparent 45%),
    var(--page-bg);
}

body {
  background: transparent;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: -20vh;
  z-index: -2;
  background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.25), transparent 55%),
    radial-gradient(circle at 80% 40%, rgba(250, 204, 21, 0.15), transparent 60%);
  filter: blur(90px);
  opacity: 0.55;
  pointer-events: none;
}

body::after {
  transform: rotate(180deg) scale(1.1);
  opacity: 0.45;
}

a,
button {
  transition: transform 0.35s cubic-bezier(0.19, 1, 0.22, 1), box-shadow 0.35s ease, background-color 0.35s ease, border-color 0.35s ease;
}

a:hover,
button:hover {
  transform: translateY(-2px) scale(1.01);
}

@media (hover: none) {
  a:hover,
  button:hover {
    transform: none;
  }
}

header {
  transition: background-color 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

header.is-scrolled {
  background: rgba(2, 6, 23, 0.94);
  border-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 24px 55px -40px rgba(37, 99, 235, 0.6);
}

header nav {
  min-height: 80px;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, rgba(11, 17, 32, 0.95) 10%, rgba(37, 99, 235, 0.68) 52%, rgba(11, 17, 32, 0.92) 85%);
  mask-image: radial-gradient(circle at 30% 20%, rgba(0, 0, 0, 0.9) 0%, transparent 70%), linear-gradient(to bottom, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.7) 55%, transparent 100%);
}

.hero-sheen {
  position: absolute;
  inset: -10% 30% 10% -40%;
  background: linear-gradient(105deg, rgba(255, 255, 255, 0.12) 0%, transparent 55%);
  filter: blur(60px);
  opacity: 0.75;
  pointer-events: none;
  mix-blend-mode: screen;
}

.floating-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(125deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(16px);
  box-shadow: 0 24px 55px -35px rgba(37, 99, 235, 0.55);
}

.floating-badge::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--sun), rgba(37, 99, 235, 0.9));
  box-shadow: 0 0 12px rgba(250, 204, 21, 0.65);
}

.glass-panel {
  position: relative;
  border-radius: 28px;
  border: 1px solid var(--glass-border);
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.65), rgba(15, 23, 42, 0.25));
  box-shadow: 0 45px 80px -60px rgba(15, 23, 42, 1);
  overflow: hidden;
  padding: var(--spacing-card);
}

.glass-panel::before {
  content: "";
  position: absolute;
  inset: -40% 45% 60% -35%;
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.12), transparent 55%);
  opacity: 0.55;
  pointer-events: none;
}

.glass-panel::after {
  content: "";
  position: absolute;
  inset: 45% -20% -50% 45%;
  background: radial-gradient(circle at bottom, rgba(37, 99, 235, 0.28), transparent 65%);
  filter: blur(18px);
  opacity: 0.4;
  pointer-events: none;
}

.glass-panel > * {
  position: relative;
  z-index: 1;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.18;
  pointer-events: none;
  mix-blend-mode: screen;
}

.speakers-grid article {
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.6s ease;
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: linear-gradient(160deg, rgba(15, 23, 42, 0.88), rgba(30, 41, 59, 0.45));
  overflow: hidden;
}

.speakers-grid article:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 35px 70px -48px rgba(37, 99, 235, 0.8);
  border-color: rgba(37, 99, 235, 0.45);
}

.speakers-grid img {
  filter: saturate(1.1) contrast(1.02);
}

.timeline-track {
  position: relative;
  padding-left: clamp(1.2rem, 3vw, 4rem);
}

.timeline-track::before {
  content: "";
  position: absolute;
  left: clamp(0.35rem, 1vw, 0.9rem);
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, rgba(37, 99, 235, 0.35), rgba(250, 204, 21, 0.45));
  border-radius: 999px;
}

.timeline-item {
  position: relative;
  border-radius: 24px;
  border: 1px solid rgba(148, 163, 184, 0.15);
  background: linear-gradient(150deg, rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.3));
  padding: clamp(1.6rem, 3vw, 2.2rem);
  transition: transform 0.5s cubic-bezier(0.13, 0.87, 0.34, 1), border-color 0.35s ease;
}

.timeline-item:hover {
  transform: translateY(-6px);
  border-color: rgba(37, 99, 235, 0.45);
}

.timeline-item::before {
  content: attr(data-step);
  position: absolute;
  top: 1.2rem;
  left: calc(-1 * clamp(1.9rem, 4vw, 3.2rem));
  width: clamp(2.8rem, 5vw, 3.6rem);
  height: clamp(2.8rem, 5vw, 3.6rem);
  border-radius: 999px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.85), rgba(148, 163, 184, 0.35));
  color: #0f172a;
  font-weight: 700;
  display: grid;
  place-items: center;
  box-shadow: 0 25px 40px -28px rgba(37, 99, 235, 0.65);
}

.metric-card {
  border-radius: 24px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: linear-gradient(150deg, rgba(37, 99, 235, 0.18), rgba(15, 23, 42, 0.3));
  padding: clamp(2rem, 4vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.metric-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.4);
  background: linear-gradient(150deg, rgba(37, 99, 235, 0.22), rgba(15, 23, 42, 0.35));
}

.metric-card strong {
  font-size: clamp(2.25rem, 5vw, 3rem);
  line-height: 1;
  color: #f1f5f9;
  font-weight: 800;
  display: block;
  margin-bottom: 0.5rem;
}

.metric-card span {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(226, 232, 240, 0.75);
  font-weight: 600;
  line-height: 1.3;
  display: block;
  margin-bottom: 0.75rem;
}

.metric-card p {
  line-height: 1.65;
  font-size: 0.9rem;
  color: rgba(226, 232, 240, 0.7);
}

.cta-panel {
  border-radius: 32px;
  border: 1px solid rgba(37, 99, 235, 0.35);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.35), rgba(15, 23, 42, 0.85));
  box-shadow: 0 50px 95px -65px rgba(37, 99, 235, 0.9);
}

[data-animate] {
  opacity: 0;
  transform: translateY(42px) scale(0.98);
  transition: opacity 0.9s ease, transform 1s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.gradient-stroke {
  position: relative;
  isolation: isolate;
}

.gradient-stroke::after {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(37, 99, 235, 0.55), rgba(250, 204, 21, 0.45), rgba(14, 165, 233, 0.45));
  opacity: 0.75;
}

.floating-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.floating-pill {
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(15, 23, 42, 0.55);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(226, 232, 240, 0.72);
  transition: all 0.3s ease;
}

.floating-pill:hover {
  background: rgba(37, 99, 235, 0.25);
  border-color: rgba(37, 99, 235, 0.35);
  color: rgba(226, 232, 240, 0.95);
}

.badge-stack {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(120deg, rgba(37, 99, 235, 0.18), rgba(15, 23, 42, 0.45));
  backdrop-filter: blur(10px);
  box-shadow: 0 28px 70px -55px rgba(37, 99, 235, 0.65);
}

.badge-stack svg {
  width: 18px;
  height: 18px;
  color: rgba(250, 204, 21, 0.9);
}

.brand-logo-stack {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo {
  position: relative;
  display: grid;
  place-items: center;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.18), rgba(148, 163, 184, 0.08));
  backdrop-filter: blur(20px);
  box-shadow: 0 28px 60px -42px rgba(37, 99, 235, 0.6);
  min-height: 2.75rem;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.brand-logo::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: inherit;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.1), rgba(148, 163, 184, 0.05));
  opacity: 0.75;
  pointer-events: none;
}

.brand-logo:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: 0 36px 70px -40px rgba(37, 99, 235, 0.75);
}

.brand-logo__image {
  position: relative;
  z-index: 1;
  display: block;
  width: auto;
  max-height: 2.2rem;
  filter: url(#filter-remove-logo-white) saturate(1.05) contrast(1.05) drop-shadow(0 2px 6px rgba(15, 23, 42, 0.35));
}

.brand-logo--dub .brand-logo__image {
  max-height: 2.3rem;
}

.brand-logo--dri .brand-logo__image {
  max-height: 2.05rem;
}

.logo-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: #0f172a;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 24px 55px -38px rgba(255, 255, 255, 0.55);
  transition: all 0.3s ease;
}

.logo-chip:hover {
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 28px 60px -35px rgba(255, 255, 255, 0.7);
  transform: translateY(-2px);
}

.logo-chip::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(37, 99, 235, 1), rgba(8, 145, 178, 0.9));
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.55);
}

.form-field input {
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.15);
}

.form-field input:focus {
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.5), 0 18px 45px -32px rgba(37, 99, 235, 0.85);
}

.shine-button {
  position: relative;
  overflow: hidden;
}

.shine-button::after {
  content: "";
  position: absolute;
  top: -120%;
  left: -35%;
  width: 60%;
  height: 320%;
  background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.5) 45%, transparent 90%);
  transform: rotate(25deg);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.shine-button:hover::after {
  opacity: 0.8;
}

.blurred-ring {
  position: absolute;
  inset: auto auto -12rem 45%;
  width: 32rem;
  height: 32rem;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.55), transparent 55%);
  filter: blur(90px);
  opacity: 0.35;
  pointer-events: none;
}

.cta-panel .shine-button {
  box-shadow: 0 28px 65px -42px rgba(250, 204, 21, 0.75);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.ticket-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.ticket-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(226, 232, 240, 0.82);
}

.ticket-pill:hover {
  border-color: rgba(37, 99, 235, 0.45);
  color: #f7fafc;
}

.ticket-card {
  position: relative;
  isolation: isolate;
}

.ticket-row {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  line-height: 1.6;
}

.ticket-icon {
  font-size: 1rem;
  line-height: 1.5;
  filter: drop-shadow(0 0 12px rgba(250, 204, 21, 0.45));
}

.primary-cta {
  padding: clamp(0.9rem, 1vw + 0.65rem, 1.1rem) clamp(1.75rem, 3vw, 2.35rem);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(250, 204, 21, 1) 0%, rgba(253, 224, 71, 0.95) 45%, rgba(250, 204, 21, 1) 100%);
  color: #0f172a !important;
  font-size: clamp(1rem, 0.92rem + 0.3vw, 1.125rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: 0 32px 70px -28px rgba(250, 204, 21, 0.6);
}

.primary-cta svg {
  color: inherit;
}

.primary-cta:hover {
  background: linear-gradient(135deg, rgba(253, 224, 71, 1) 0%, rgba(250, 204, 21, 1) 55%, rgba(253, 224, 71, 1) 100%);
  box-shadow: 0 40px 90px -30px rgba(250, 204, 21, 0.75);
  transform: translateY(-3px) scale(1.02);
}

@media (max-width: 768px) {
  .brand-logo-stack {
    gap: 0.65rem;
  }

  .brand-logo {
    padding: 0.35rem 0.75rem;
    min-height: 2.35rem;
    box-shadow: 0 24px 50px -38px rgba(37, 99, 235, 0.55);
  }

  .brand-logo__image {
    max-height: 1.9rem;
  }

  .speakers-grid article {
    margin-bottom: 0.5rem;
  }

  .timeline-item {
    padding: 1.5rem;
  }

  h1 {
    line-height: 1.15;
  }

  h2 {
    line-height: 1.25;
  }
}
