:root {
  --bg: #121212;
  --surface: #323232;
  --surface-subtle: #303030;
  --surface-hover: #3f3f3f;
  --surface-screenshot: rgba(255, 255, 255, 0.06);
  --surface-screenshot-border: rgba(255, 255, 255, 0.1);
  --ink: #ffffff;
  --ink-80: rgba(255, 255, 255, 0.8);
  --ink-60: rgba(255, 255, 255, 0.6);
  --ink-50: rgba(255, 255, 255, 0.5);
  --stroke-ghost: rgba(255, 255, 255, 0.12);
  --stroke-hover: rgba(255, 255, 255, 0.18);
  --accent: #e17909;

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", system-ui, "Segoe UI", sans-serif;

  --radius: 12px;
  --gutter-x: 32px;
  --gutter-top: 36px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  scrollbar-width: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1;
  font-weight: 400;
}

a {
  color: inherit;
  text-decoration: none;
}

::selection {
  background: var(--accent);
  color: var(--ink);
}

/* ---------- page shell ---------- */
.page {
  display: flex;
  gap: 2px;
  width: 100%;
  align-items: flex-start;
}

/* ---------- header (inside left column) ---------- */
.site-header {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 40px;
}

.brand {
  display: inline-flex;
  align-items: stretch;
  height: 38px;
  color: var(--ink);
}

.brand svg {
  align-self: flex-end;
  margin-bottom: 6px;
}

.brand-rule {
  width: 2px;
  height: 38px;
  background: var(--accent);
  display: inline-block;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

/* ---------- pills ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 107px;
  height: 40px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  color: var(--ink);
  background: transparent;
  border: 1px solid transparent;
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
  cursor: pointer;
}

.pill-ghost:hover {
  background: rgba(255, 255, 255, 0.04);
}

.pill-outline {
  border-color: var(--stroke-ghost);
}

.pill-outline:hover {
  border-color: var(--stroke-hover);
  background: rgba(255, 255, 255, 0.04);
}

/* ---------- hero / left column ---------- */
.hero {
  flex: 1;
  position: sticky;
  top: 0;
  margin-left: var(--gutter-x);
  margin-right: var(--gutter-x);
  padding-top: var(--gutter-top);
  padding-bottom: 47px;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.headline {
  margin: 0;
  max-width: 720px;
  font-family: var(--font);
  font-size: 48px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.cta {
  display: flex;
  align-items: center;
  margin-top: 25px;
  gap: 0;
}

.download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 12px;
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  transition: background 0.15s ease;
}

.download:hover {
  background: var(--surface-hover);
}

.download svg {
  flex-shrink: 0;
  margin-bottom: 1px;
}

.alpha-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 37px;
  height: 16px;
  margin-left: 16px;
  border-radius: 8px;
  background: var(--surface-subtle);
  color: var(--ink-80);
  font-size: 10px;
  font-weight: 500;
  line-height: 1;
}

.version {
  margin-left: 7px;
  color: var(--ink-50);
  font-size: 10px;
  font-weight: 500;
  line-height: 1;
}

.caption {
  margin: 25px 0 0;
  color: var(--ink-60);
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
}

/* ---------- features ---------- */
.features {
  list-style: none;
  margin: auto 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.feature {
  font-size: 16px;
  line-height: 1;
}

.feature-label {
  padding-right: 6px;
  color: var(--ink);
  font-weight: 400;
}

.feature-desc {
  color: var(--ink-50);
  font-weight: 400;
}

/* ---------- screenshots (right column) ---------- */
.screenshots {
  flex-shrink: 0;
  width: 30vw;
  padding-right: 4px;
  padding-top: 4px;
  padding-bottom: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.shot {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1920 / 1206;
  background: var(--surface-screenshot);
  flex-shrink: 0;
  overflow: hidden;
}

.shot video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
}

/* ---------- responsive ---------- */
@media (max-width: 1279px) {
  .screenshots {
    width: clamp(360px, 30vw, 610px);
  }

  .shot {
    width: 100%;
    height: auto;
  }
}

@media (max-width: 899px) {
  .page {
    flex-direction: column;
    overflow: visible;
    min-height: 100vh;
  }

  .hero {
    width: auto;
    margin: 0;
    padding: 20px 20px 20px;
  }

  .site-header {
    margin-bottom: 24px;
  }

  .cta {
    margin-top: 16px;
  }

  .caption {
    margin-top: 16px;
  }

  .features {
    gap: 8px;
  }

  .screenshots {
    width: 100%;
    max-width: 100vw;
    min-width: 0;
    margin: 0;
    padding: 2px;
    flex-direction: row;
    gap: 2px;
    overflow-x: auto;
    overflow-y: hidden;
    height: auto;
    scrollbar-width: none;
  }

  .screenshots::-webkit-scrollbar {
    display: none;
    margin-top: auto;
  }

  .shot {
    width: auto;
    height: 30vh;
    flex-shrink: 0;
  }
}

@media (max-width: 599px) {
  .headline {
    font-size: 24px;
    letter-spacing: -0.015em;
    line-height: 120%;
  }

  .feature {
    font-size: 14px;
    line-height: 140%;
  }

  .pill {
    width: auto;
    padding: 0 16px;
  }

  .cta {
    flex-wrap: wrap;
    row-gap: 12px;
  }

  .shot {
    width: auto;
    height: 20vh;
    flex-shrink: 0;
  }
}