:root {
  --bg: #0f172a;
  --card: #1e293b;
  --line: #334155;
  --text: #f1f5f9;
  --mute: #94a3b8;
  --accent: #38bdf8;
  --warm: #fbbf24;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: #0b1224;
  color: var(--text);
  font-family: "Segoe UI", system-ui, sans-serif;
  position: relative;
}

/* Top banner like Skyways: full-width moving film, then content below */
.banner {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}
.cine {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: #0b1224;
}
.cine-drift {
  display: none;
}
.cine-shot {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  opacity: 0;
  transition: opacity 1.4s ease;
  animation: cineKen 22s ease-in-out infinite alternate;
}
.cine-shot.on { opacity: 1; }
.cine-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11,18,36,.18) 0%, rgba(11,18,36,.08) 40%, rgba(11,18,36,.55) 100%);
}
@keyframes cineDrift {
  0% { transform: translate3d(-3%, -2%, 0) scale(1.05); }
  100% { transform: translate3d(4%, 3%, 0) scale(1.15); }
}
@keyframes cineKen {
  0% { transform: scale(1.04) translate3d(-1%, 2%, 0); }
  100% { transform: scale(1.1) translate3d(1.2%, 0, 0); }
}

.top, main, footer {
  position: relative;
  z-index: 1;
}
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 22px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(10px);
}
.top strong { font-size: 1.25rem; letter-spacing: 0.02em; }
nav { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
nav a, footer { color: var(--mute); text-decoration: none; }
nav a.back, a.back { color: var(--accent); font-weight: 700; text-decoration: none; }
nav span { color: var(--accent); font-weight: 600; }
.banner-row {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  padding: 0 22px 20px;
  margin-top: 42vh;
  max-width: 1080px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  align-items: end;
}
.scroll {
  position: relative;
  z-index: 1;
  display: block;
  text-align: center;
  color: #e2e8f0;
  font-weight: 700;
  padding: 12px 0 28px;
  text-decoration: none;
}
.sheet {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, #0b1224 0%, #0f172a 100%);
  padding: 28px 0 20px;
}
.jump {
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.jump:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.35);
}
.btn.ghost {
  margin-left: 8px;
  background: #334155;
  color: #f1f5f9;
}
.hero-avi {
  position: relative;
  width: min(100%, 380px);
  margin: 0 auto;
  aspect-ratio: 3 / 4;
  border-radius: 28px;
  overflow: hidden;
  background: radial-gradient(circle at 50% 40%, #1e3a5f 0%, #0b1224 70%);
  box-shadow:
    0 0 0 1px rgba(148, 163, 184, 0.28),
    0 24px 50px rgba(0, 0, 0, 0.45);
}
.hero-avi img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center 12%;
  opacity: 0;
  transition: opacity 0.8s ease;
  mix-blend-mode: normal;
}
.hero-avi img.on { opacity: 1; }
.hero-copy {
  padding: 8px 0;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.65);
}
.hero-presence {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 420px;
}
.hero-presence::before {
  content: "";
  position: absolute;
  width: min(78%, 340px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.28) 0%, transparent 68%);
  filter: blur(8px);
  animation: presencePulse 4.8s ease-in-out infinite;
}
.hero-portrait {
  position: relative;
  z-index: 1;
  width: min(100%, 360px);
  height: auto;
  border-radius: 28px;
  object-fit: cover;
  aspect-ratio: 3 / 4;
  box-shadow:
    0 0 0 1px rgba(148, 163, 184, 0.25),
    0 24px 50px rgba(0, 0, 0, 0.45);
  animation: presenceFloat 6s ease-in-out infinite;
}
@keyframes presencePulse {
  0%, 100% { opacity: 0.55; transform: scale(0.96); }
  50% { opacity: 1; transform: scale(1.06); }
}
@keyframes presenceFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.kicker { color: var(--warm); font-weight: 800; letter-spacing: 0.03em; margin: 0; }
h1 { font-size: clamp(1.7rem, 4vw, 2.35rem); line-height: 1.15; margin: 10px 0 12px; }
.hero-copy p { color: #cbd5e1; line-height: 1.5; }
.note { color: var(--mute); font-size: 0.95rem; }
.btn, button {
  background: var(--accent);
  color: #0f172a;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 10px 22px 40px;
  max-width: 980px;
  margin: 0 auto;
}
article {
  background: rgba(30, 41, 59, 0.82);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  backdrop-filter: blur(6px);
}
article h2 { margin: 0 0 8px; font-size: 1.1rem; color: var(--warm); }
article p { margin: 0; color: var(--mute); line-height: 1.45; }
.pay {
  max-width: 480px;
  margin: 0 auto 48px;
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  backdrop-filter: blur(8px);
}
.pay h2 { margin-top: 0; }
.sub { color: var(--mute); margin-top: -6px; }
.price { font-size: 40px; font-weight: 800; color: var(--warm); margin: 8px 0 0; }
.planLabel { color: var(--accent); font-weight: 700; margin: 4px 0 10px; }
.plans, .region { display: flex; gap: 8px; margin: 12px 0; }
.plans button, .region button { background: #334155; color: var(--text); flex: 1; }
.plans button.on, .region button.on { background: var(--accent); color: #0f172a; }
.plans button.trial { background: #fbbf24; color: #0f172a; }
.plans button.trial.on { background: #f59e0b; color: #0f172a; }
form { display: grid; gap: 8px; }
input {
  background: #0f172a;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  font: inherit;
}
.err { color: #fca5a5; }
footer {
  text-align: center;
  padding: 20px;
  background: rgba(15, 23, 42, 0.55);
}
.commercial {
  max-width: 980px;
  margin: 0 auto 28px;
  padding: 8px 22px 8px;
}
.commercial > h2 {
  margin: 8px 0 6px;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
}
.commercial > .sub {
  margin: 0 0 16px;
  max-width: 40rem;
}
.commercial-grid {
  padding: 0;
  margin: 0;
  max-width: none;
}
.commercial-cta {
  margin: 18px 0 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
@media (max-width: 800px) {
  .banner-row, .grid { grid-template-columns: 1fr; }
  .hero-avi { width: min(100%, 280px); }
  .banner { min-height: auto; }
}