/* ==========================================================================
   bioly.me — Landing de lista de espera (v2, identidad de marca)
   Paleta oficial: azul #3B82F6, cian #06B6D4, morado #8B5CF6,
   grafito #1F2937, gris claro #E5E7EB. Tipografía: Poppins (Semibold
   para la marca, Regular para textos), con fuentes del sistema como
   respaldo. Degradado azul → cian → morado como acento distintivo.
   Móvil primero: casi todo el tráfico llega por teléfono.
   ========================================================================== */

:root {
  --paper: #ffffff;
  --paper-soft: #e5e7eb;
  --ink: #1f2937;
  --ink-muted: #6b7280;
  --blue: #3b82f6;
  --cyan: #06b6d4;
  --purple: #8b5cf6;
  --purple-dark: #6d28d9;
  --gradient: linear-gradient(135deg, #3b82f6, #06b6d4, #8b5cf6);
  --border: rgba(31, 41, 55, 0.12);
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 20px 50px rgba(31, 41, 55, 0.14);
  --font: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 1080px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: min(100% - 3rem, var(--max-width)); margin-inline: auto; }
.container.narrow { max-width: 760px; }

.sr-only { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary { background: var(--gradient); color: #fff; box-shadow: 0 10px 30px rgba(59, 130, 246, 0.35); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.9rem; }

/* ---------- Encabezado ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; }
/* Marca siempre en minúsculas, con el dominio integrado (regla de la marca):
   isotipo a la izquierda y nombre a la derecha. */
.logo { display: flex; align-items: center; gap: 0.6rem; font-size: 1.4rem; font-weight: 600; letter-spacing: -0.02em; color: var(--ink); }
.logo:hover { text-decoration: none; }
.logo-mark { height: 40px; width: auto; display: block; }
.logo-text { color: var(--ink); }
.logo-dotme {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Secciones genéricas ---------- */
.section { padding: 5.5rem 0; }
.section-soft { background: var(--paper-soft); }
.eyebrow { color: var(--blue); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.82rem; margin-bottom: 0.75rem; }
.section h2, .hero h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); line-height: 1.15; letter-spacing: -0.02em; }
.section-lead { color: var(--ink-muted); font-size: 1.1rem; max-width: 680px; margin-top: 1rem; }

/* ---------- Hero ---------- */
.hero { padding: 10rem 0 5rem; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 5.5vw, 3.8rem); margin-bottom: 1.25rem; }
.hero h1 .accent {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead { font-size: 1.2rem; color: var(--ink-muted); max-width: 560px; }
.form-micro { color: var(--ink-muted); font-size: 0.9rem; margin-top: 0.7rem; }
.founders-chip {
  display: inline-block; margin-top: 1.2rem;
  background: rgba(139, 92, 246, 0.12); border: 1px solid rgba(139, 92, 246, 0.4);
  color: var(--purple-dark); border-radius: 999px; padding: 0.45rem 1rem;
  font-size: 0.9rem; font-weight: 600;
}

/* ---------- Maqueta de teléfono ---------- */
.phone-wrap { display: flex; justify-content: center; }
.phone {
  width: 260px; border-radius: 36px; padding: 12px;
  background: var(--ink); box-shadow: var(--shadow);
  transform: rotate(2deg);
}
.phone-screen {
  background: var(--paper); border-radius: 26px; padding: 1.6rem 1.2rem;
  display: flex; flex-direction: column; align-items: center; gap: 0.8rem; text-align: center;
}
.mini-profile { display: flex; flex-direction: column; align-items: center; gap: 0.3rem; }
.mini-avatar {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--gradient);
  color: #fff; font-weight: 700; font-size: 1.4rem;
  display: grid; place-items: center; margin-bottom: 0.4rem;
}
.mini-profile span { color: var(--ink-muted); font-size: 0.85rem; }
.mini-bio { color: var(--ink-muted); font-size: 0.85rem; line-height: 1.5; }
.mini-links { display: grid; gap: 0.5rem; width: 100%; }
.mini-links span {
  background: var(--ink); color: #fff; border-radius: 999px;
  padding: 0.55rem; font-size: 0.85rem; font-weight: 600;
}
.mini-ai {
  width: 100%; border-radius: 999px; padding: 0.55rem;
  background: rgba(6, 182, 212, 0.12); color: var(--blue);
  font-size: 0.85rem; font-weight: 700;
}

/* ---------- Formulario de lista de espera ---------- */
.waitlist-form { display: grid; gap: 0.7rem; margin-top: 1.8rem; max-width: 480px; }
.waitlist-form input {
  width: 100%; padding: 0.9rem 1.1rem; border-radius: 12px;
  border: 1px solid var(--border); background: #fff;
  color: var(--ink); font: inherit;
}
.waitlist-form input:focus { outline: 2px solid var(--blue); border-color: transparent; }
.waitlist-form .btn { width: 100%; }
.form-error { color: #dc2626; font-size: 0.9rem; }
.form-note { color: #15803d; font-size: 0.95rem; font-weight: 600; }

/* Honeypot anti-spam: fuera de pantalla, no display:none (los bots lo detectan). */
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Tarjetas de diferenciadores ---------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; margin-top: 3rem; }
.card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.8rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.card p { color: var(--ink-muted); font-size: 0.98rem; }

/* ---------- Pasos ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top: 3rem; list-style: none; }
.steps li { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.6rem; }
.step-num { display: block; font-size: 2rem; font-weight: 700; color: var(--blue); line-height: 1; margin-bottom: 0.8rem; }
.steps h3 { margin-bottom: 0.4rem; }
.steps p { color: var(--ink-muted); font-size: 0.95rem; }

/* ---------- Comparación ---------- */
.compare { list-style: none; display: grid; gap: 0.9rem; margin-top: 2.5rem; font-size: 1.1rem; font-weight: 600; }
.compare .yes { color: var(--purple); font-weight: 800; margin-right: 0.6rem; }

/* ---------- Fundadores ---------- */
.section-founders { background: var(--ink); color: #fff; }
.section-founders .eyebrow { color: var(--cyan); }
.section-founders .section-lead { color: rgba(255, 255, 255, 0.75); }

/* ---------- Preguntas frecuentes ---------- */
.faq { display: grid; gap: 1rem; margin-top: 3rem; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.2rem 1.5rem; }
.faq-item summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--purple); font-size: 1.4rem; font-weight: 700; line-height: 1; flex-shrink: 0; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { color: var(--ink-muted); margin-top: 0.7rem; }

/* ---------- CTA final ---------- */
#cta-final { text-align: center; }
#cta-final .waitlist-form { margin-inline: auto; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 2.5rem 0; color: var(--ink-muted); font-size: 0.95rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 0.5rem 3rem; align-items: center; justify-content: space-between; }
.footer-inner div { display: flex; flex-direction: column; }
.footer-inner strong { color: var(--ink); font-size: 1.1rem; }
.footer-inner div span { font-size: 0.9rem; }

/* ---------- Animación de aparición ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .phone-wrap { order: -1; }
  .phone { transform: rotate(0deg); width: 230px; }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .section { padding: 4rem 0; }
  .hero { padding-top: 8.5rem; }
  .cards { grid-template-columns: 1fr; }
}

/* ---------- Selector de idioma ---------- */
.header-actions { display: flex; align-items: center; gap: 0.6rem; }
.lang-switch { font-weight: 600; font-size: 0.85rem; padding: 0.45rem 0.8rem; border: 1px solid var(--border); border-radius: 999px; color: var(--ink); }
.lang-switch:hover { border-color: var(--blue); color: var(--blue); }