:root {
  --promo-accent: #e20464;
  --promo-accent-hover: #c4004f;
  --promo-blue: #211298;
  --promo-cyan: #68e1fd;
  --promo-ink: #1a1f2e;
  --promo-muted: #4a5568;
  --promo-bg1: #f4f9fc;
  --promo-bg2: #e8f4fa;
  --promo-bg3: #fdf2f7;
}

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

html {
  scroll-behavior: smooth;
}

body.promo-page {
  margin: 0;
  min-height: 100vh;
  font-family: "Roboto Slab", Georgia, serif;
  color: var(--promo-ink);
  background:
    radial-gradient(ellipse 90% 60% at 10% -10%, rgba(104, 225, 253, 0.35), transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(226, 4, 100, 0.12), transparent 50%),
    linear-gradient(165deg, var(--promo-bg1) 0%, var(--promo-bg2) 45%, var(--promo-bg3) 100%);
  -webkit-font-smoothing: antialiased;
}

.promo-top {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(244, 249, 252, 0.85);
  border-bottom: 1px solid rgba(33, 18, 152, 0.08);
}

.promo-top-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.promo-brand.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.promo-brand .site-logo-img {
  display: block;
  height: 57px;
  width: auto;
}

.promo-brand .site-logo-img path[fill="#729FCF"] {
  animation: logo-shift-blue 4s ease-in-out infinite alternate;
}

.promo-brand .site-logo-img path[fill="#CC0000"],
.promo-brand .site-logo-img g[aria-label="360"] path {
  animation: logo-shift-red 4s ease-in-out infinite alternate;
  filter: drop-shadow(0 1px 2px rgba(204, 0, 0, 0.25));
}

@keyframes logo-shift-blue {
  from { fill: #729FCF; }
  to   { fill: #5a8ab8; }
}

@keyframes logo-shift-red {
  from { fill: #CC0000; }
  to   { fill: #e63939; }
}

@media (prefers-reduced-motion: reduce) {
  .promo-brand .site-logo-img path[fill="#729FCF"],
  .promo-brand .site-logo-img path[fill="#CC0000"],
  .promo-brand .site-logo-img g[aria-label="360"] path {
    animation: none;
  }
}

@media (max-width: 640px) {
  .promo-brand .site-logo-img {
    height: 48px;
  }
}

.promo-lang {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 700;
}

.promo-lang-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: #8a93a6;
  cursor: pointer;
  padding: 0.35rem 0.45rem;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.promo-lang-btn:hover {
  color: var(--promo-blue);
}

.promo-lang-btn.is-active {
  color: var(--promo-blue);
}

.promo-lang-sep {
  color: #c5cad6;
  user-select: none;
}

.promo-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 0 3.5rem;
}

.promo-video-wrap {
  width: 100%;
  margin: 0;
  background: #0d1220;
  line-height: 0;
}

.promo-video {
  display: block;
  width: 100%;
  max-height: min(72vh, 720px);
  height: auto;
  object-fit: contain;
  background: #0d1220;
}

.promo-copy {
  padding: 2rem 1.25rem 0;
  max-width: 42rem;
  margin: 0 auto;
  animation: promoFadeUp 0.7s ease both;
}

.promo-headline {
  margin: 0 0 1.25rem;
  font-size: clamp(1.45rem, 3.2vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--promo-blue);
  letter-spacing: -0.01em;
}

.promo-copy p {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--promo-muted);
  font-weight: 400;
}

.promo-slogan {
  margin-top: 1.5rem !important;
  font-size: 1.15rem !important;
  font-weight: 700 !important;
  color: var(--promo-ink) !important;
  line-height: 1.45 !important;
}

.promo-cta-wrap {
  margin-top: 2rem;
}

.promo-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.75rem;
  background: var(--promo-accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: 4px;
  transition: background 0.2s ease, transform 0.2s ease;
  animation: promoFadeUp 0.85s ease 0.15s both;
}

.promo-cta:hover {
  background: var(--promo-accent-hover);
  transform: translateY(-1px);
}

.promo-cta:focus-visible {
  outline: 3px solid rgba(104, 225, 253, 0.8);
  outline-offset: 3px;
}

@keyframes promoFadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .promo-copy {
    padding-top: 1.5rem;
  }

  .promo-copy p {
    font-size: 1rem;
  }

  .promo-cta {
    width: 100%;
  }

  .promo-video {
    max-height: 56vh;
  }
}

@media (prefers-reduced-motion: reduce) {
  .promo-copy,
  .promo-cta {
    animation: none;
  }

  .promo-cta:hover {
    transform: none;
  }
}