:root {
  --seg-accent: #2563eb;
  --ink: #14171f;
  --muted: #656b78;
  --bg: #f7f7f5;
  --line: #e4e3de;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", Arial, sans-serif;
}
a { color: inherit; text-decoration: none; }

.demo-tag {
  background: var(--ink);
  color: #fff;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  padding: 6px;
  letter-spacing: 0.03em;
}

.chooser-header {
  max-width: 1080px;
  margin: auto;
  padding: 24px 24px 0;
}
.chooser-header a {
  font-weight: 700;
  font-size: 14px;
  color: var(--muted);
}
.chooser-header a:hover { color: var(--seg-accent); }

.chooser { max-width: 1080px; margin: auto; padding: 40px 24px 80px; }
.chooser-intro { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.chooser-intro .eyebrow {
  color: var(--seg-accent);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 12px;
  margin: 0 0 14px;
}
.chooser-intro h1 {
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.2;
  margin: 0 0 16px;
}
.chooser-intro .lead {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
}

.chooser-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.chooser-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.chooser-card:hover {
  transform: translateY(-5px);
  border-color: var(--seg-accent);
  box-shadow: 0 24px 44px -24px rgba(20, 23, 31, 0.35);
}
.chooser-preview {
  height: 210px;
  padding: 12px 12px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mock-dots { display: flex; gap: 5px; padding: 2px 4px; flex-shrink: 0; }
.mock-dots span { width: 7px; height: 7px; border-radius: 50%; background: #00000022; }
.mock-page {
  flex: 1;
  min-height: 0;
  border-radius: 8px 8px 0 0;
  padding: 20px 18px 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
  overflow: hidden;
}
.mock-header { display: flex; align-items: center; justify-content: space-between; flex-shrink: 0; }
.mock-logo { width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0; }
.mock-navlinks { display: flex; gap: 8px; }
.mock-navlinks span { width: 20px; height: 5px; border-radius: 3px; }
.mock-hero { display: flex; flex-direction: column; gap: 9px; }
.mock-line { display: block; border-radius: 3px; }
.mock-line-lg { width: 82%; height: 13px; }
.mock-line-md { width: 58%; height: 8px; }
.mock-btn { width: 68px; height: 18px; border-radius: 9px; margin-top: 6px; }

/* Estilo Clássico */
.style-classico .chooser-preview { background: linear-gradient(180deg, #fdfcfa, #f3ede4); }
.style-classico .mock-dots span { background: #7a1f2e33; }
.style-classico .mock-page { align-items: center; text-align: center; }
.style-classico .mock-logo { background: var(--seg-accent); }
.style-classico .mock-navlinks span { background: #cfc6b8; }
.style-classico .mock-line { background: #2a2622; }
.style-classico .mock-line-md { background: #a89e8c; }
.style-classico .mock-btn { background: var(--seg-accent); }

/* Estilo Minimalista */
.style-minimalista .chooser-preview { background: #fbfbfa; border-bottom: 1px solid var(--line); }
.style-minimalista .mock-dots span { background: #00000014; }
.style-minimalista .mock-page { align-items: flex-start; gap: 26px; padding-top: 26px; }
.style-minimalista .mock-logo { display: none; }
.style-minimalista .mock-header { width: 100%; }
.style-minimalista .mock-header::before { content: ""; width: 54px; height: 9px; border-radius: 2px; background: #1a1a1a; }
.style-minimalista .mock-navlinks span { background: #d8d8d8; }
.style-minimalista .mock-line { background: #1a1a1a; font-weight: 300; }
.style-minimalista .mock-line-lg { height: 11px; }
.style-minimalista .mock-line-md { background: #b3b3b3; }
.style-minimalista .mock-btn { width: 78px; height: 2px; border-radius: 0; background: #1a1a1a; margin-top: 12px; }

/* Estilo Moderno */
.style-moderno .chooser-preview { background: linear-gradient(150deg, #0a0a12, #171224 55%, color-mix(in srgb, var(--seg-accent) 55%, #171224)); }
.style-moderno .mock-dots span { background: #ffffff26; }
.style-moderno .mock-logo { background: linear-gradient(135deg, var(--seg-accent), #fff); box-shadow: 0 0 10px var(--seg-accent); }
.style-moderno .mock-navlinks span { background: #ffffff40; }
.style-moderno .mock-line { background: #fff; }
.style-moderno .mock-line-lg { height: 15px; box-shadow: 0 0 18px #ffffff33; }
.style-moderno .mock-line-md { background: #ffffff80; }
.style-moderno .mock-btn { background: linear-gradient(135deg, var(--seg-accent), #fff); box-shadow: 0 4px 16px var(--seg-accent); }
.chooser-body { padding: 22px 22px 26px; display: flex; flex-direction: column; flex: 1; }
.chooser-tag {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--seg-accent);
  margin-bottom: 8px;
}
.chooser-body h2 { margin: 0 0 10px; font-size: 19px; }
.chooser-body p { margin: 0 0 18px; color: var(--muted); font-size: 14px; line-height: 1.55; flex: 1; }
.chooser-cta { font-weight: 700; font-size: 14px; color: var(--seg-accent); }
.chooser-cta b { display: inline-block; transition: transform 0.2s; }
.chooser-card:hover .chooser-cta b { transform: translateX(4px); }

.chooser-footer {
  text-align: center;
  padding: 40px 24px 50px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.chooser-footer p { max-width: 480px; margin: 0 auto 10px; }
.chooser-footer a { color: var(--seg-accent); font-weight: 700; }

@media (max-width: 820px) {
  .chooser-grid { grid-template-columns: 1fr; }
}