/* StreaLay Landing Page — minimal, matches the app's dark theme + green accent */

:root {
  --bg-primary: #101114;
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --accent: #6afbea;
  --accent-hover: #4bb4a9;
  --border: #27272a;
  --radius: 8px;
  --font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Hero (centered, full viewport) ── */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(106, 251, 234, 0.08) 0%, transparent 60%),
    var(--bg-primary);
}

/* Large transparent logo watermark behind content */
.hero__watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(80vh, 80vw);
  height: min(80vh, 80vw);
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 520px;
}

.hero__logo {
  width: 96px;
  height: 96px;
  border-radius: 16px;
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(40px, 8vw, 64px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.hero__title-accent {
  color: var(--accent);
}

.hero__subtitle {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.hero__cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Button ── */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--accent);
  color: #000;
}

.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(106, 251, 234, 0.3);
}

.btn--disabled {
  opacity: 0.5;
  pointer-events: none;
  cursor: default;
}

/* ── Version note ── */
.download__note {
  margin-top: 20px;
  color: var(--text-tertiary);
  font-size: 14px;
}