/* ============================================
   B LIKE U — Mini-web del subproducto
   Paleta del Concept Design:
   fondo #0B0B12 · tarjetas #1C182A · acento #FF4D8D · éxito #3FB950
   ============================================ */

:root {
  --blu-bg: #0B0B12;
  --blu-card: #1C182A;
  --blu-accent: #FF4D8D;
  --blu-success: #3FB950;
  --blu-fg: #ffffff;
  --blu-fg-soft: rgba(255, 255, 255, 0.72);
  --blu-fg-faint: rgba(255, 255, 255, 0.45);
  --blu-line: rgba(255, 77, 141, 0.25);
  --blu-line-soft: rgba(255, 255, 255, 0.10);
  --max-w: 1020px;
  --font: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--blu-bg);
  color: var(--blu-fg);
  font-family: var(--font);
  font-weight: 300;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blu-fg); text-decoration: none; }

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

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */

.blu-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 11, 18, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--blu-line-soft);
}

.blu-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.blu-brand {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  white-space: nowrap;
}

.blu-brand .u { color: var(--blu-accent); }

.blu-byline {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blu-fg-faint);
  display: block;
  margin-top: 1px;
}

.blu-byline a { color: var(--blu-fg-faint); border-bottom: 1px solid transparent; }
.blu-byline a:hover { color: var(--blu-fg); border-bottom-color: var(--blu-fg); }

.blu-header-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.blu-header-links a { color: var(--blu-fg-soft); }
.blu-header-links a:hover { color: var(--blu-accent); }
.blu-header-links .lang a.active { color: var(--blu-fg); }
.blu-header-links .lang a { color: var(--blu-fg-faint); padding: 0 2px; }

/* ---------- Hero ---------- */

.blu-hero {
  min-height: 68vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 88px 24px 72px;
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(255, 77, 141, 0.14), transparent),
    var(--blu-bg);
}

.blu-tag {
  display: inline-block;
  border: 1px solid var(--blu-accent);
  color: var(--blu-accent);
  border-radius: 999px;
  padding: 5px 20px;
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  margin-bottom: 30px;
}

.blu-hero h1 {
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  font-weight: 200;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.blu-hero h1 .u { color: var(--blu-accent); font-weight: 400; }

.blu-hero .tagline {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  color: var(--blu-fg-soft);
  max-width: 620px;
}

.blu-hero .rule {
  width: 64px;
  height: 2px;
  background: var(--blu-accent);
  margin: 34px auto 0;
  border-radius: 2px;
}

/* ---------- Secciones ---------- */

.blu-section { padding: 80px 0; border-top: 1px solid var(--blu-line-soft); }

.blu-label {
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--blu-accent);
  margin-bottom: 16px;
}

.blu-section h2 {
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 26px;
}

.blu-section p { color: var(--blu-fg-soft); max-width: 700px; margin-bottom: 16px; }
.blu-section p strong { color: var(--blu-fg); font-weight: 500; }

/* Tarjetas */
.blu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 36px;
}

.blu-card {
  background: var(--blu-card);
  border: 1px solid var(--blu-line-soft);
  border-radius: 14px;
  padding: 30px 26px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.blu-card:hover { border-color: var(--blu-line); transform: translateY(-2px); }

.blu-card h3 {
  font-size: 0.86rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--blu-fg);
}

.blu-card h3 .dot { color: var(--blu-accent); }

.blu-card p { font-size: 0.9rem; color: var(--blu-fg-soft); margin: 0; }

/* Pasos del flujo */
.blu-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 36px;
  counter-reset: step;
}

.blu-step {
  background: var(--blu-card);
  border-radius: 14px;
  border: 1px solid var(--blu-line-soft);
  padding: 24px 20px;
  font-size: 0.88rem;
  color: var(--blu-fg-soft);
}

.blu-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  color: var(--blu-accent);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  margin-bottom: 10px;
  font-weight: 500;
}

/* Mock de la app */
.blu-mock-wrap { display: flex; justify-content: center; margin-top: 40px; }

.blu-mock {
  width: min(340px, 100%);
  background: var(--blu-card);
  border: 1px solid var(--blu-line-soft);
  border-radius: 26px;
  padding: 26px 22px;
  box-shadow: 0 24px 60px rgba(255, 77, 141, 0.08);
}

.blu-mock .greet { font-size: 1.05rem; font-weight: 500; margin-bottom: 18px; }

.blu-mock .mini-card {
  background: rgba(11, 11, 18, 0.6);
  border: 1px solid var(--blu-line-soft);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 12px;
}

.blu-mock .mini-label {
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blu-fg-faint);
  margin-bottom: 6px;
}

.blu-mock .mini-title { font-size: 0.88rem; color: var(--blu-fg); }
.blu-mock .mini-sub { font-size: 0.76rem; color: var(--blu-fg-soft); }

.blu-mock .mini-btn {
  display: inline-block;
  margin-top: 10px;
  background: var(--blu-accent);
  color: #fff;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  border-radius: 999px;
  padding: 6px 16px;
}

.blu-mock .mini-btn.green { background: var(--blu-success); }

/* ---------- Botones ---------- */

.blu-btn {
  display: inline-block;
  background: var(--blu-accent);
  color: #fff;
  border: 1px solid var(--blu-accent);
  border-radius: 999px;
  padding: 13px 38px;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: background 0.2s ease, color 0.2s ease;
}

.blu-btn:hover { background: transparent; color: var(--blu-accent); }

.blu-btn-ghost {
  background: transparent;
  color: var(--blu-fg-soft);
  border-color: var(--blu-line-soft);
}

.blu-btn-ghost:hover { color: var(--blu-fg); border-color: var(--blu-fg); background: transparent; }

/* ---------- Footer ---------- */

.blu-footer {
  border-top: 1px solid var(--blu-line-soft);
  padding: 48px 24px 40px;
  text-align: center;
}

.blu-footer p { font-size: 0.8rem; color: var(--blu-fg-faint); margin-bottom: 8px; }
.blu-footer a { color: var(--blu-fg-soft); border-bottom: 1px solid transparent; }
.blu-footer a:hover { color: var(--blu-accent); }

.blu-footer .brand-line { letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.72rem; }