:root {
  --ys-cyan: #2ec4e8;
  --ys-teal: #1a6b63;
  --ys-indigo: #2b3a8c;
  --ys-ink: #152033;
  --ys-mist: rgba(255, 255, 255, 0.78);
  --ys-font-display: "Syne", "Segoe UI", sans-serif;
  --ys-font-body: "Manrope", "Segoe UI", sans-serif;
}

.ys-landing {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  color: var(--ys-ink);
  font-family: var(--ys-font-body);
  background:
    radial-gradient(120% 90% at 12% 18%, rgba(46, 196, 232, 0.42), transparent 55%),
    radial-gradient(90% 80% at 88% 22%, rgba(43, 58, 140, 0.55), transparent 50%),
    radial-gradient(70% 60% at 70% 88%, rgba(26, 107, 99, 0.38), transparent 55%),
    linear-gradient(155deg, #e8f7fb 0%, #d9e4f8 42%, #c8ebe6 100%);
  overflow: hidden;
  position: relative;
}

.ys-landing *,
.ys-landing *::before,
.ys-landing *::after {
  box-sizing: border-box;
}

.ys-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.ys-wedge {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.55;
  mix-blend-mode: multiply;
  animation: ys-drift 18s ease-in-out infinite;
}

.ys-wedge--cyan {
  width: min(72vw, 640px);
  height: min(72vw, 640px);
  left: -12%;
  top: -18%;
  background: conic-gradient(from 210deg, var(--ys-cyan), transparent 55%);
}

.ys-wedge--indigo {
  width: min(68vw, 580px);
  height: min(68vw, 580px);
  right: -16%;
  top: 8%;
  background: conic-gradient(from 20deg, var(--ys-indigo), transparent 60%);
  animation-delay: -6s;
}

.ys-wedge--teal {
  width: min(58vw, 480px);
  height: min(58vw, 480px);
  left: 28%;
  bottom: -28%;
  background: conic-gradient(from 140deg, var(--ys-teal), transparent 58%);
  animation-delay: -11s;
}

@keyframes ys-drift {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(0deg); }
  50% { transform: translate3d(2.5%, -2%, 0) rotate(8deg); }
}

.ys-topbar {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: flex-end;
  padding: 1.25rem 1.5rem;
}

.ys-lang {
  appearance: none;
  border: 1px solid rgba(21, 32, 51, 0.12);
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(10px);
  color: var(--ys-ink);
  font: 600 0.85rem/1.2 var(--ys-font-body);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  cursor: pointer;
}

.ys-hero {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 4.5rem);
  min-height: calc(100dvh - 4.5rem);
  display: grid;
  place-items: center;
  padding: 0 1.5rem 3.5rem;
}

.ys-hero__inner {
  width: min(920px, 100%);
  text-align: center;
}

.ys-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.75rem;
  padding: 0;
  background: transparent;
  box-shadow: none;
  animation: ys-rise 900ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.ys-brand-link {
  display: inline-flex;
  line-height: 0;
  text-decoration: none;
}

.ys-brand__logo {
  width: min(88vw, 420px);
  height: auto;
  display: block;
  background: transparent;
}

.ys-headline {
  margin: 0;
  font-family: var(--ys-font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 4.6vw, 3.35rem);
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--ys-ink);
  animation: ys-rise 900ms cubic-bezier(0.22, 1, 0.36, 1) 140ms both;
}

.ys-lead {
  margin: 1rem auto 0;
  max-width: 34rem;
  font-size: clamp(1.05rem, 2.1vw, 1.25rem);
  line-height: 1.55;
  color: rgba(21, 32, 51, 0.72);
  animation: ys-rise 900ms cubic-bezier(0.22, 1, 0.36, 1) 240ms both;
}

.ys-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
  margin-top: 2rem;
  animation: ys-rise 900ms cubic-bezier(0.22, 1, 0.36, 1) 340ms both;
}

.ys-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.45rem;
  border-radius: 999px;
  font: 700 0.98rem/1 var(--ys-font-body);
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.ys-btn:hover {
  transform: translateY(-2px);
}

.ys-btn--primary {
  color: #fff;
  background: linear-gradient(120deg, var(--ys-indigo) 0%, #3550b8 55%, var(--ys-teal) 130%);
  box-shadow: 0 14px 30px rgba(43, 58, 140, 0.28);
}

.ys-btn--primary:hover {
  box-shadow: 0 18px 36px rgba(43, 58, 140, 0.34);
  color: #fff;
}

.ys-btn--ghost {
  color: var(--ys-ink);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(21, 32, 51, 0.12);
  backdrop-filter: blur(8px);
}

.ys-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.78);
  color: var(--ys-ink);
}

@keyframes ys-rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ys-wedge,
  .ys-brand,
  .ys-headline,
  .ys-lead,
  .ys-cta {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}