/* ══════════════════════════════════════════════════════════════
   NexoQR · Estilos de sitio (landing, login, registro)
   Solo lo específico de estas páginas: hero, secciones, mockups,
   precios, FAQ, footer y pantallas de acceso. El sistema de diseño
   (tokens, botones, tarjetas, campos, alertas) vive en base.css.
   ══════════════════════════════════════════════════════════════ */

:root {
  --sec-y: 72px;   /* aire vertical entre secciones */
}

body { overflow-x: hidden; }

/* ── Utilidades propias ─────────────────────────────────────── */
.col-center { align-items: center; text-align: center; }
.section-pad { padding: var(--sec-y) 0; }
.mx-auto { margin-left: auto; margin-right: auto; }
.lead { font-size: 1.08rem; color: var(--text-dim); }
.maxw-60 { max-width: 60ch; }
.maxw-52 { max-width: 52ch; }
.maxw-44 { max-width: 44ch; }
.mt-32 { margin-top: 32px; }

.link-quiet {
  color: var(--text-mute);
  text-decoration: none;
  transition: color 0.15s ease;
}
.link-quiet:hover { color: var(--text); text-decoration: none; }

/* Enlace de salto: invisible hasta recibir foco por teclado. */
.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 200;
  padding: 10px 16px; border-radius: var(--r);
  background: var(--surface); color: var(--text); font-weight: 600;
  border: 1px solid var(--brand); box-shadow: var(--shadow-lg);
  transform: translateY(-160%);
}
.skip-link:focus { transform: none; text-decoration: none; }

/* Anillo de foco consistente en enlaces sueltos (los .btn ya lo tienen). */
a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--brand); outline-offset: 3px; border-radius: var(--r-sm);
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 13px; border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--brand-soft), var(--accent-soft));
  border: 1px solid rgba(14, 165, 233, 0.28);
  color: #a5d8f5; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.02em;
}

.icon-box {
  width: 42px; height: 42px; border-radius: var(--r);
  display: grid; place-items: center; font-size: 1.25rem;
  background: linear-gradient(135deg, var(--brand-soft), var(--accent-soft));
  border: 1px solid var(--line);
}
.icon-box svg { width: 22px; height: 22px; }
.icon-box svg [stroke] { stroke: var(--brand); }
.icon-box svg [fill]:not([fill="none"]) { fill: var(--accent); }

.sec-head { max-width: 62ch; }
.sec-head h2 { margin-bottom: 8px; }
.sec-head p { margin-bottom: 0; }

.feature-grid { margin-top: 34px; }
.feature-card {
  display: flex; flex-direction: column; gap: 10px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}
.feature-card h3 { margin: 4px 0 0; font-size: 1.06rem; }
.feature-card p { margin: 0; font-size: 0.93rem; }

.steps { counter-reset: paso; }
.step { position: relative; padding-left: 58px; }
.step::before {
  counter-increment: paso; content: counter(paso);
  position: absolute; left: 0; top: 0;
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #04121f; font-weight: 900; font-size: 1rem;
  box-shadow: 0 8px 22px -10px rgba(14, 165, 233, 0.8);
}
.step h3 { margin: 6px 0 4px; font-size: 1.03rem; }
.step p { margin: 0; font-size: 0.92rem; }

.use-card {
  display: flex; align-items: center; gap: 14px;
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.use-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.use-card .icon-box { flex: none; }
.use-card .u-body { min-width: 0; }
.use-card h3 { margin: 0 0 2px; font-size: 1rem; }
.use-card p { margin: 0; font-size: 0.88rem; }

/* ── Cabecera de marketing ──────────────────────────────────── */
.site-nav { display: flex; align-items: center; gap: 6px; margin-left: 8px; }
.site-nav a {
  padding: 8px 12px; border-radius: var(--r);
  color: var(--text-dim); font-weight: 600; font-size: 0.92rem;
  transition: color 0.15s ease, background 0.15s ease;
}
.site-nav a:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }

.nav-toggle-input { position: absolute; opacity: 0; pointer-events: none; width: 0; height: 0; }
.nav-toggle {
  display: none; align-items: center; justify-content: center;
  width: 42px; height: 42px; flex: none; cursor: pointer;
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--surface-2); color: var(--text);
}
.nav-toggle:hover { border-color: var(--line-strong); }
.nav-burger { display: block; width: 18px; height: 12px; position: relative; }
.nav-burger span {
  position: absolute; left: 0; width: 100%; height: 2px; border-radius: 2px;
  background: currentColor; transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-burger span:nth-child(1) { top: 0; }
.nav-burger span:nth-child(2) { top: 5px; }
.nav-burger span:nth-child(3) { top: 10px; }
.nav-toggle-input:focus-visible + .nav-toggle { outline: 2px solid var(--brand); outline-offset: 2px; }
.nav-toggle-input:checked + .nav-toggle .nav-burger span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle-input:checked + .nav-toggle .nav-burger span:nth-child(2) { opacity: 0; }
.nav-toggle-input:checked + .nav-toggle .nav-burger span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.topbar .row.end { margin-left: auto; }

/* ── Hero ───────────────────────────────────────────────────── */
.hero { padding: clamp(28px, 5vw, 64px) 0 clamp(40px, 6vw, 80px); }
.hero-grid {
  display: grid; gap: clamp(28px, 5vw, 56px);
  grid-template-columns: 1fr;
  align-items: center;
}
.hero-copy h1 { margin: 18px 0 14px; }
.hero-copy h1 .grad {
  background: linear-gradient(120deg, var(--brand), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-copy .lead { max-width: 56ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0 14px; }
.hero-notes { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 0; padding: 0; list-style: none; }
.hero-notes li { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; color: var(--text-dim); }
.hero-notes li::before {
  content: "✓"; display: grid; place-items: center; width: 18px; height: 18px; flex: none;
  border-radius: 50%; background: var(--ok-soft); color: #86efac; font-size: 0.7rem; font-weight: 900;
}

/* ── Mockup del QR ──────────────────────────────────────────── */
.mock-stage { position: relative; display: grid; place-items: center; padding: 12px 0; }
.mock-stage::before {
  content: ""; position: absolute; inset: 6% 4%;
  background:
    radial-gradient(closest-side, rgba(14, 165, 233, 0.28), transparent 72%),
    radial-gradient(closest-side, rgba(168, 85, 247, 0.26), transparent 72%);
  background-position: 0 0, 100% 100%;
  background-size: 68% 68%, 68% 68%;
  background-repeat: no-repeat;
  filter: blur(18px);
  z-index: 0;
}
.mock-qr-card {
  position: relative; z-index: 1;
  padding: 20px; border-radius: var(--r-xl);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-lg);
  max-width: 380px; width: 100%;
}
.mock-qr-plate {
  background: #ffffff; border-radius: var(--r-lg); padding: 14px;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.08);
}
.mock-qr-plate svg { width: 100%; height: auto; display: block; }
.mock-qr-foot { margin-top: 16px; }
.mock-qr-foot .link-pill {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 12px; border-radius: var(--r);
  background: var(--surface-2); border: 1px dashed var(--line-strong);
  font-family: var(--font-mono); font-size: 0.82rem; color: var(--text-dim);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.mock-qr-foot .link-pill .dot-live {
  width: 8px; height: 8px; border-radius: 50%; flex: none; background: var(--ok);
  box-shadow: 0 0 0 4px var(--ok-soft);
}

.float-pill {
  position: absolute; z-index: 2;
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: var(--r-full);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 1px solid var(--line-strong); box-shadow: var(--shadow);
  backdrop-filter: blur(8px); font-size: 0.82rem; font-weight: 600;
  animation: float-y 5.5s ease-in-out infinite;
}
.float-pill .fp-ico { font-size: 1rem; line-height: 1; }
.float-pill .fp-sub { display: block; font-size: 0.72rem; font-weight: 500; color: var(--text-mute); }
.float-pill.p1 { top: 4%; left: -6px; }
.float-pill.p2 { bottom: 8%; right: -6px; animation-delay: -2.6s; }
@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* ── Barra de confianza ─────────────────────────────────────── */
.trust-bar {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  padding: 22px 24px; border-radius: var(--r-xl);
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--line);
}
.trust-bar .kpi .v { font-size: 1.45rem; }

/* ── Mini-mockups del producto ──────────────────────────────── */
.mock-ui {
  border-radius: var(--r); border: 1px solid var(--line);
  background: var(--bg-2); padding: 12px; font-size: 0.8rem;
}
.mock-ui + .mock-ui { margin-top: 10px; }
.mock-ui .mock-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.mock-ui .mock-title { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-mute); font-weight: 700; }

.mock-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.mock-list li { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--r-sm); background: var(--surface-2); }
.mock-list .m-ico { font-size: 0.95rem; }
.mock-list .m-grow { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mock-list .m-val { color: var(--text-mute); font-size: 0.74rem; }
.mock-list li.m-new { border: 1px solid rgba(34, 197, 94, 0.4); background: var(--ok-soft); }

.token-field {
  display: flex; align-items: center; gap: 10px; margin-top: 10px;
  padding: 9px 11px; border-radius: var(--r-sm);
  background: var(--surface-2); border: 1px dashed var(--line-strong);
  font-family: var(--font-mono); font-size: 0.76rem; color: var(--text-dim);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.token-field .m-ico { font-family: var(--font); }

.bar-row { display: grid; grid-template-columns: 54px 1fr 44px; align-items: center; gap: 8px; margin-bottom: 7px; }
.bar-row .lbl { font-size: 0.75rem; color: var(--text-dim); }
.bar-row .num { text-align: right; font-size: 0.74rem; color: var(--text-mute); font-variant-numeric: tabular-nums; }

/* ── Precios ────────────────────────────────────────────────── */
.pricing-grid {
  display: grid; gap: 18px; margin-top: 34px;
  grid-template-columns: repeat(auto-fit, minmax(272px, 1fr));
  align-items: stretch;
}
.price-card { display: flex; flex-direction: column; position: relative; }
.price-card.featured {
  border-color: rgba(14, 165, 233, 0.45);
  box-shadow: var(--glow);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
}
.price-card .badge.destacado {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #04121f; border: 0; white-space: nowrap;
}
.price-head { display: flex; align-items: baseline; gap: 6px; margin: 6px 0 4px; }
.price-head .amount { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.04em; }
.price-head .period { color: var(--text-mute); font-size: 0.9rem; }
.price-card .badge.plan { align-self: flex-start; }
.price-note { font-size: 0.85rem; margin: 0; min-height: 2.6em; }
.plan-list { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 0.9rem; }
.plan-list li { display: flex; align-items: flex-start; gap: 10px; color: var(--text-dim); }
.plan-list li.no { color: var(--text-mute); }
.plan-list .mark {
  width: 20px; height: 20px; flex: none; border-radius: 50%; display: grid; place-items: center;
  font-size: 0.72rem; font-weight: 900; margin-top: 1px;
}
.plan-list li.si .mark { background: var(--ok-soft); color: #86efac; }
.plan-list li.no .mark { background: var(--surface-3); color: var(--text-mute); }
.plan-foot { margin-top: auto; padding-top: 20px; }

/* ── Preguntas frecuentes ───────────────────────────────────── */
.faq { margin-top: 30px; display: flex; flex-direction: column; gap: 12px; }
.faq details {
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--surface); overflow: hidden;
  transition: border-color 0.18s ease;
}
.faq details[open] { border-color: var(--line-strong); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 16px 18px; cursor: pointer; font-weight: 600; font-size: 0.98rem;
  list-style: none; color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; flex: none; width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center; font-size: 1rem; font-weight: 700;
  background: var(--surface-3); color: var(--text-dim);
  transition: transform 0.2s ease, background 0.2s ease;
}
.faq details[open] summary::after { content: "−"; background: var(--brand-soft); color: #7dd3fc; transform: rotate(180deg); }
.faq .faq-body { padding: 0 18px 18px; }
.faq .faq-body p:last-child { margin-bottom: 0; }
.faq .faq-body { font-size: 0.93rem; }
.faq .faq-body a { font-weight: 600; }

/* ── Llamada final ──────────────────────────────────────────── */
.cta-final {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 24px; padding: clamp(24px, 4vw, 44px);
  border-radius: var(--r-xl);
  background:
    radial-gradient(600px 240px at 12% 0%, rgba(14, 165, 233, 0.22), transparent 65%),
    radial-gradient(520px 240px at 88% 100%, rgba(168, 85, 247, 0.2), transparent 65%),
    var(--surface);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-lg);
}
.cta-final h2 { margin-bottom: 6px; }
.cta-final p { margin: 0; max-width: 46ch; }
.cta-final .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ── Pie de página ──────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--line); margin-top: var(--sec-y); background: var(--bg-2); }
.footer-grid {
  display: grid; gap: 32px; padding: 48px 0 32px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}
.footer-brand { grid-column: 1 / -1; max-width: 42ch; }
.footer-brand p { font-size: 0.92rem; margin: 12px 0 0; }
.footer-col h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-mute); margin-bottom: 12px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-col a { color: var(--text-dim); font-size: 0.9rem; }
.footer-col a:hover { color: var(--text); text-decoration: none; }
.footer-bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 14px; padding: 20px 0 34px; border-top: 1px solid var(--line);
}

@media (min-width: 860px) {
  .hero-grid { grid-template-columns: 1.06fr 0.94fr; }
  .footer-brand { grid-column: span 2; }
}
@media (min-width: 1040px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

/* ── Páginas de acceso (login / registro) ───────────────────── */
.auth-wrap {
  display: flex; justify-content: center;
  padding: clamp(32px, 6vw, 72px) 0 80px;
}
.auth-card { width: 100%; max-width: 460px; }
.auth-head { margin-bottom: 22px; }
.auth-head h1 { font-size: clamp(1.6rem, 4vw, 2rem); margin-bottom: 8px; }
.auth-head p { margin: 0; }
.auth-foot { margin: 20px 0 0; text-align: center; font-size: 0.92rem; color: var(--text-dim); }
.auth-aside { margin-top: 18px; }
.auth-aside ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; font-size: 0.88rem; color: var(--text-dim); }
.auth-aside li { display: flex; align-items: center; gap: 9px; }

.field .req { color: var(--accent); font-weight: 700; }
.field.check-field { flex-direction: row; align-items: flex-start; gap: 10px; margin-bottom: 6px; }
.field.check-field .check { align-items: flex-start; font-size: 0.9rem; color: var(--text-dim); }
.field.check-field .check input { margin-top: 2px; }
.field.check-field .error { width: 100%; }

.field input[aria-invalid="true"] { border-color: rgba(239, 68, 68, 0.65); }
.field input[aria-invalid="true"]:focus { box-shadow: 0 0 0 3px var(--danger-soft); border-color: var(--danger); }

.auth-alt { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.auth-alt .check { font-size: 0.88rem; color: var(--text-dim); }

.btn .spinner { display: none; }
.btn.is-loading .spinner { display: block; }
.btn.is-loading .btn-label { opacity: 0.85; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute; left: 0; right: 0; top: var(--nav-h);
    flex-direction: column; align-items: stretch; gap: 2px; margin: 0;
    padding: 12px 20px 18px;
    background: var(--bg-2); border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-lg); display: none;
  }
  .site-nav a { padding: 12px 10px; font-size: 0.98rem; }
  .nav-toggle-input:checked ~ .site-nav { display: flex; }
  .topbar .btn.ghost { display: none; }
}

@media (max-width: 560px) {
  .float-pill.p1 { top: -2%; left: 0; }
  .float-pill.p2 { bottom: 2%; right: 0; }
  .float-pill { font-size: 0.76rem; padding: 8px 12px; }
  .auth-alt { justify-content: flex-start; }
  :root { --sec-y: 52px; }
}