:root {
  --primary-blue: #5067eb;
  --secondary-green: #d4fbcd;
  --background-dark: #020617;
  --text: #f8fafc;
  --muted: rgba(248, 250, 252, 0.72);
  --glass: rgba(2, 6, 23, 0.46);
  --glass-border: rgba(255, 255, 255, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--background-dark);
  color: var(--text);
  font-family: "Montserrat", Arial, Helvetica, sans-serif;
}

body {
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  background: transparent;
}

.video-shell,
.background-video,
.fallback-frame,
.shade {
  position: fixed;
  inset: 0;
}

.video-shell {
  z-index: 0;
  background:
    radial-gradient(circle at 18% 18%, rgba(80, 103, 235, 0.42), transparent 34%),
    linear-gradient(135deg, #020617 0%, #0f172a 48%, #07111f 100%);
  overflow: hidden;
}

.background-video {
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 500ms ease;
}

.background-video.is-ready {
  opacity: 1;
}

.fallback-frame {
  z-index: 0;
  background:
    linear-gradient(120deg, rgba(80, 103, 235, 0.26), transparent 36%),
    linear-gradient(245deg, rgba(212, 251, 205, 0.16), transparent 42%),
    var(--background-dark);
  opacity: 1;
  transition: opacity 500ms ease;
}

.video-shell.is-ready .fallback-frame {
  opacity: 0;
}

.shade {
  z-index: 2;
  background:
    linear-gradient(90deg, rgba(2, 6, 23, 0.82), rgba(2, 6, 23, 0.48)),
    linear-gradient(0deg, rgba(2, 6, 23, 0.54), rgba(2, 6, 23, 0.22));
}

.progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.14);
}

.progress span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--primary-blue), var(--secondary-green));
  box-shadow: 0 0 18px rgba(80, 103, 235, 0.8);
}

.story {
  position: relative;
  z-index: 1;
}

.panel {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: clamp(24px, 6vw, 96px);
}

.panel-right {
  justify-content: flex-end;
}

.panel-start {
  align-items: flex-end;
  padding-bottom: clamp(48px, 10vh, 120px);
}

.panel-end {
  align-items: flex-start;
  padding-top: clamp(72px, 14vh, 150px);
}

.glass-card {
  width: min(100%, 560px);
  padding: clamp(24px, 5vw, 44px);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  background: var(--glass);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(22px) saturate(130%);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--secondary-green);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  max-width: 11ch;
  line-height: 0.96;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(3rem, 9vw, 7.5rem);
}

h2 {
  font-size: clamp(2.35rem, 6vw, 5.4rem);
}

.glass-card p:last-child {
  margin: 24px 0 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.7;
}

.video-notice {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 8;
  max-width: min(360px, calc(100vw - 36px));
  padding: 12px 14px;
  border: 1px solid rgba(212, 251, 205, 0.32);
  border-radius: 8px;
  background: rgba(2, 6, 23, 0.78);
  color: rgba(248, 250, 252, 0.84);
  font-size: 0.82rem;
  line-height: 1.45;
  backdrop-filter: blur(14px);
}

.video-notice.is-hidden {
  display: none;
}

.video-debug {
  position: fixed;
  left: 18px;
  bottom: 18px;
  z-index: 11;
  display: none;
  width: min(420px, calc(100vw - 36px));
  max-height: min(360px, calc(100vh - 36px));
  margin: 0;
  padding: 12px 14px;
  overflow: auto;
  border: 1px solid rgba(80, 103, 235, 0.5);
  border-radius: 8px;
  background: rgba(2, 6, 23, 0.86);
  color: rgba(248, 250, 252, 0.9);
  font: 0.78rem/1.5 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  white-space: pre-wrap;
  backdrop-filter: blur(14px);
}

.video-debug.is-visible {
  display: block;
}

@media (max-width: 760px) {
  .shade {
    background:
      linear-gradient(0deg, rgba(2, 6, 23, 0.78), rgba(2, 6, 23, 0.46)),
      linear-gradient(90deg, rgba(2, 6, 23, 0.5), rgba(2, 6, 23, 0.46));
  }

  .panel,
  .panel-right,
  .panel-start,
  .panel-end {
    justify-content: center;
    align-items: center;
    padding: 24px;
  }

  .glass-card {
    padding: 24px;
  }

  h1,
  h2 {
    max-width: 10ch;
  }
}