/* bvske.app — mesmo visual da tela do Pro: preto quente, papel, títulos em serifa */
:root {
  --ink: #0a0a0b;
  --paper: #f2efe9;
  --muted: rgba(242, 239, 233, 0.58);
  --hairline: rgba(255, 255, 255, 0.12);
  --serif: "New York", ui-serif, "Iowan Old Style", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ink); color: var(--paper); font: 17px/1.55 var(--sans); }
a { color: var(--paper); text-underline-offset: 3px; text-decoration-color: var(--hairline); }
a:hover { text-decoration-color: var(--paper); }
.muted { color: var(--muted); }

.top, main, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 22px; padding-bottom: 22px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.02em; text-decoration: none; font-size: 19px; }
.brand img { border-radius: 7px; }
nav { display: flex; gap: 18px; flex-wrap: wrap; font-size: 15px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--paper); }

.eyebrow { font-size: 12px; font-weight: 600; letter-spacing: 0.22em; color: var(--muted); margin: 0 0 12px; }
h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
h1 { font-size: clamp(38px, 8vw, 60px); line-height: 1.08; margin: 0 0 18px; }
h2 { font-size: 28px; line-height: 1.15; margin: 0 0 10px; }
.lead { font-size: 19px; color: var(--muted); max-width: 560px; }

.hero { padding: 48px 0 24px; }
.frame { position: relative; margin: 40px 0 0; aspect-ratio: 16 / 9; border-radius: 18px; overflow: hidden;
  background: linear-gradient(#3b3b3b, #212121); border: 1px solid var(--hairline); }
.person { position: absolute; bottom: 18%; width: 8%; aspect-ratio: 1 / 1.9; left: 18%;
  background: radial-gradient(circle at 50% 18%, var(--paper) 0 26%, transparent 27%),
              linear-gradient(to bottom, transparent 0 40%, rgba(242,239,233,.8) 40%);
  border-radius: 40% 40% 6px 6px / 22% 22% 6px 6px; animation: walk 7s ease-in-out infinite alternate; }
.crop { position: absolute; top: 0; bottom: 0; aspect-ratio: 9 / 16; left: 2%;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.55); border: 2px solid var(--paper); border-radius: 4px;
  animation: follow 7s ease-in-out infinite alternate; animation-delay: .45s; }
@keyframes walk { from { left: 14%; } to { left: 78%; } }
@keyframes follow { from { left: 2%; } to { left: 66%; } }
.labels { display: flex; justify-content: space-between; font: 11px/1 var(--mono); letter-spacing: .08em; color: var(--muted); margin: 10px 0 0; }
.labels .on { color: var(--paper); }
.cta { margin: 32px 0 0; }
.soon, .button { display: inline-block; background: var(--paper); color: var(--ink); border-radius: 999px; padding: 14px 24px; font-weight: 600; text-decoration: none; }

.features { display: grid; gap: 0; margin: 40px 0; border-top: 1px solid var(--hairline); }
.feature { padding: 28px 0; border-bottom: 1px solid var(--hairline); }
.feature p:last-child { color: var(--muted); margin: 0; max-width: 560px; }
.note { padding: 12px 0 48px; }
.note p { color: var(--muted); max-width: 560px; }

.doc { padding: 24px 0 48px; max-width: 680px; }
.doc section { padding: 18px 0; border-top: 1px solid var(--hairline); }
.doc section h2 { font-size: 22px; }
.doc section p { color: var(--muted); margin: 0; }
.doc > h2 { margin-top: 40px; }
details { border-top: 1px solid var(--hairline); padding: 14px 0; }
details:last-of-type { border-bottom: 1px solid var(--hairline); }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 10px 0 0; }

footer { padding-top: 28px; padding-bottom: 40px; border-top: 1px solid var(--hairline); font-size: 14px; }
footer p { margin: 6px 0; }
.langs a { text-decoration: none; color: var(--muted); }
.langs a[aria-current] { color: var(--paper); }

@media (prefers-reduced-motion: reduce) { .person, .crop { animation: none; } }
@media (max-width: 520px) { body { font-size: 16px; } nav { gap: 12px; font-size: 14px; } .hero { padding-top: 24px; } }