/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #f7f7f5;
  --bg-alt: #ffffff;
  --ink: #14161f;
  --ink-soft: #454956;
  --mute: #5c5f6d;
  --line: #e4e3de;
  --line-soft: #edece7;
  --accent: #3f3df5;
  --accent-ink: #ffffff;
  --accent-soft: #ecebff;
  --good: #0f8a5f;
  --good-soft: #e4f5ee;
  --warn: #b5760a;
  --warn-soft: #fbf0dd;
  --danger: #c0392b;
  --danger-soft: #fbeae7;
  --card: #ffffff;
  --shadow: 0 1px 2px rgba(20,22,31,.04), 0 8px 24px -12px rgba(20,22,31,.12);
  --radius: 14px;
  --radius-sm: 9px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Manrope", var(--sans);
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101119;
    --bg-alt: #161826;
    --ink: #eef0f6;
    --ink-soft: #b7bacb;
    --mute: #888ca1;
    --line: #262940;
    --line-soft: #1d2033;
    --accent: #9997ff;
    --accent-ink: #101119;
    --accent-soft: #23234a;
    --good: #3ecb96;
    --good-soft: #123328;
    --warn: #e0a63f;
    --warn-soft: #3a2c10;
    --danger: #ff8a7a;
    --danger-soft: #3a1a16;
    --card: #161826;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 30px -14px rgba(0,0,0,.6);
  }
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { font-family: var(--display); text-wrap: balance; line-height: 1.12; letter-spacing: -0.01em; font-weight: 700; }
ul { list-style: none; padding: 0; }
input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: fixed; top: -100px; left: 1rem; padding: .6rem 1rem;
  background: var(--ink); color: var(--bg); z-index: 9999; border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container { max-width: 1180px; margin-left: auto; margin-right: auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.container-narrow { max-width: 780px; margin-left: auto; margin-right: auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.section { padding-top: clamp(3rem, 8vw, 6.5rem); padding-bottom: clamp(3rem, 8vw, 6.5rem); }
.section-tight { padding-top: clamp(2rem, 5vw, 3.5rem); padding-bottom: clamp(2rem, 5vw, 3.5rem); }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font: 600 .78rem/1 var(--mono); letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1rem;
}
.muted { color: var(--mute); }
.center { text-align: center; }
.stack { display: flex; flex-direction: column; gap: 1rem; }
.grid-2 { display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 960px) { .grid-2 { grid-template-columns: 1fr 1fr; align-items: center; } }

/* =============================================================
   4. Typography
   ============================================================= */
h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.45rem); }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--ink-soft); max-width: 62ch; }

/* =============================================================
   5. Components
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.5rem; border-radius: 999px; font-weight: 600; font-size: .95rem;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out), background .2s;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 6px 16px -8px rgba(20,22,31,.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 22px -8px rgba(20,22,31,.4); }
.btn-ghost { background: var(--bg-alt); border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-block { width: 100%; }
.btn-sm { padding: .55rem 1.1rem; font-size: .85rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; transform: none !important; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.75rem;
}

.badge {
  display: inline-flex; align-items: center; gap: .4rem; padding: .3rem .7rem;
  border-radius: 999px; font: 600 .72rem/1 var(--mono); letter-spacing: .03em; text-transform: uppercase;
}
.badge-demo { background: var(--warn-soft); color: var(--warn); }
.badge-good { background: var(--good-soft); color: var(--good); }
.badge-accent { background: var(--accent-soft); color: var(--accent); }

.icon { width: 1.1em; height: 1.1em; flex-shrink: 0; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 100; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line-soft);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 1rem; padding-bottom: 1rem; }
.logo { font-family: var(--display); font-weight: 800; font-size: 1.25rem; display: flex; align-items: center; gap: .5rem; }
.logo-dot { width: .55em; height: .55em; border-radius: 50%; background: var(--accent); }
.nav-links { display: none; align-items: center; gap: 1.75rem; font-weight: 600; font-size: .92rem; }
.nav-actions { display: flex; align-items: center; gap: .75rem; }
@media (min-width: 860px) { .nav-links { display: flex; } }
.nav-toggle { display: inline-flex; padding: .5rem; }
@media (min-width: 860px) { .nav-toggle { display: none; } }
.nav-mobile { display: none; flex-direction: column; gap: 1rem; padding: 1rem var(--gutter) 1.5rem; border-top: 1px solid var(--line-soft); font-weight: 600; }
.nav-mobile.is-open { display: flex; }
@media (min-width: 860px) { .nav-mobile { display: none !important; } }

/* =============================================================
   6. Sections
   ============================================================= */
.hero { padding-top: clamp(3rem, 9vw, 7rem); padding-bottom: clamp(2rem, 6vw, 4rem); }
.hero-grid { display: grid; gap: 3rem; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 1024px) { .hero-grid { grid-template-columns: 1.05fr .95fr; } }
.hero-cta { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.75rem; }
.hero-note { margin-top: 1rem; font-size: .85rem; color: var(--mute); }

/* Mock phone report card used in hero + before/after */
.report-mock {
  background: var(--card); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow);
  padding: 1.5rem; position: relative;
}
.report-mock-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.1rem; }
.report-mock-handle { font-family: var(--mono); font-size: .82rem; color: var(--mute); }
.report-mock-score { display: flex; align-items: baseline; gap: .3rem; font-family: var(--display); }
.report-mock-score b { font-size: 2rem; color: var(--accent); }
.report-mock-bar { height: 8px; border-radius: 999px; background: var(--line-soft); overflow: hidden; margin-bottom: .5rem; }
.report-mock-bar > span { display: block; height: 100%; background: var(--accent); border-radius: inherit; }
.report-mock-row { display: flex; justify-content: space-between; font-size: .85rem; padding-top: .75rem; padding-bottom: .75rem; border-top: 1px dashed var(--line); }
.report-mock-row:first-of-type { border-top: none; }
.report-mock-row b { font-family: var(--mono); }

/* Before / after */
.ba-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 760px) { .ba-grid { grid-template-columns: 1fr 1fr; } }
.ba-card { border-radius: var(--radius); border: 1px solid var(--line); overflow: hidden; background: var(--card); }
.ba-head { padding: .9rem 1.25rem; font-weight: 700; font-family: var(--display); display: flex; align-items: center; gap: .5rem; }
.ba-before .ba-head { background: var(--danger-soft); color: var(--danger); }
.ba-after .ba-head { background: var(--good-soft); color: var(--good); }
.ba-body { padding: 1.25rem; }
.ba-body .report-mock-row { font-size: .82rem; }
.ba-tag { display: inline-block; font-size: .75rem; padding: .15rem .55rem; border-radius: 999px; background: var(--line-soft); color: var(--ink-soft); margin: .15rem .25rem .15rem 0; }
.ba-after .ba-tag { background: var(--good-soft); color: var(--good); }

/* Steps */
.steps { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step-num { font-family: var(--mono); font-size: .8rem; color: var(--accent); font-weight: 700; margin-bottom: .6rem; }

/* Module groups (landing + app) */
.modulos-groups { display: flex; flex-direction: column; gap: 2.25rem; }
.modulos-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 700px) { .modulos-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .modulos-grid { grid-template-columns: 1fr 1fr 1fr; } }
.modulo-card { display: flex; flex-direction: column; gap: .6rem; }
.modulo-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: .75rem; }
.modulo-cost { font-family: var(--mono); font-size: .78rem; font-weight: 700; color: var(--accent); background: var(--accent-soft); padding: .25rem .55rem; border-radius: 999px; white-space: nowrap; }
.modulo-extra { font-size: .76rem; color: var(--mute); }

/* Pricing */
.precios-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; align-items: stretch; }
@media (min-width: 860px) { .precios-grid { grid-template-columns: repeat(3, 1fr); } }
.plan-card { display: flex; flex-direction: column; gap: 1.1rem; position: relative; }
.plan-card.is-destacado { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent), var(--shadow); }
.plan-highlight { position: absolute; top: -13px; right: 1.5rem; }
.plan-price { display: flex; flex-wrap: wrap; align-items: baseline; gap: .3rem .5rem; font-family: var(--display); }
.plan-price b { font-size: clamp(1.4rem, 5vw, 2rem); white-space: nowrap; }
.plan-feats { display: flex; flex-direction: column; gap: .6rem; font-size: .92rem; }
.plan-feats li { display: flex; gap: .55rem; align-items: flex-start; }
.plan-feats svg { color: var(--good); margin-top: .2rem; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--line); padding-top: 1.1rem; padding-bottom: 1.1rem; }
.faq-q { display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-weight: 700; width: 100%; text-align: left; }
.faq-a { display: grid; grid-template-rows: 0fr; overflow: hidden; transition: grid-template-rows .35s var(--ease-out); color: var(--ink-soft); min-height: 0; }
.faq-item.is-open .faq-a { grid-template-rows: 1fr; margin-top: .7rem; }
.faq-plus { flex-shrink: 0; transition: transform .3s var(--ease-out); }
.faq-item.is-open .faq-plus { transform: rotate(45deg); }

/* Footer */
.footer { border-top: 1px solid var(--line-soft); padding-top: 3rem; padding-bottom: 3rem; }
.footer-grid { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; font-size: .88rem; color: var(--ink-soft); }
.footer-bottom { margin-top: 2rem; font-size: .8rem; color: var(--mute); }

/* Demo banner */
.demo-banner {
  background: var(--warn-soft); color: var(--warn); text-align: center; font-size: .82rem; font-weight: 600;
  padding: .55rem var(--gutter);
}

/* =============================================================
   7. App shell (app.html, cuenta.html)
   ============================================================= */
.app-topbar {
  position: sticky; top: 0; z-index: 50; background: var(--bg-alt); border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; padding: .85rem var(--gutter);
}
.credits-pill {
  display: inline-flex; align-items: center; gap: .45rem; font-family: var(--mono); font-weight: 700;
  background: var(--accent-soft); color: var(--accent); padding: .45rem .9rem; border-radius: 999px; font-size: .88rem;
  transition: transform .25s var(--ease-out);
}
.credits-pill.is-pulsing { transform: scale(1.12); }
.app-main { padding: clamp(1.5rem, 4vw, 2.5rem) var(--gutter) 4rem; max-width: 1180px; margin-inline: auto; }
.app-account-menu { position: relative; }
.app-account-btn { display: flex; align-items: center; gap: .5rem; padding: .4rem .7rem; border-radius: 999px; border: 1px solid var(--line); }
.app-account-dropdown {
  position: absolute; right: 0; top: calc(100% + .5rem); background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-sm); box-shadow: var(--shadow); min-width: 180px; padding: .4rem; display: none; z-index: 60;
}
.app-account-dropdown.is-open { display: block; }
.app-account-dropdown a, .app-account-dropdown button {
  display: block; width: 100%; text-align: left; padding: .6rem .7rem; border-radius: 8px; font-size: .9rem;
}
.app-account-dropdown a:hover, .app-account-dropdown button:hover { background: var(--line-soft); }

.form-field { display: flex; flex-direction: column; gap: .4rem; }
.form-field label { font-size: .85rem; font-weight: 600; color: var(--ink-soft); }
.form-field input, .form-field select, .form-field textarea {
  padding: .75rem .9rem; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--bg-alt); color: var(--ink);
}
.form-field textarea { resize: vertical; min-height: 90px; }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { border-color: var(--accent); }
.form-row { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .form-row-2 { grid-template-columns: 1fr 1fr; } .form-row-3 { grid-template-columns: 2fr 1fr 1fr; } }

.auth-shell { min-height: 100dvh; display: grid; place-items: center; padding: 2rem var(--gutter); }
.auth-card { width: 100%; max-width: 420px; }

.perfil-lookup { display: flex; flex-direction: column; gap: 1rem; }
.perfil-lookup-row { display: flex; gap: .6rem; flex-wrap: wrap; }
.perfil-lookup-row .form-field { flex: 1; min-width: 180px; }
.perfil-result { display: none; }
.perfil-result.is-visible { display: block; }
.perfil-source-note { font-size: .82rem; padding: .6rem .8rem; border-radius: var(--radius-sm); background: var(--warn-soft); color: var(--warn); }
.perfil-source-note.is-ok { background: var(--good-soft); color: var(--good); }

.posts-list { display: flex; flex-direction: column; gap: .6rem; }
.post-row { display: grid; grid-template-columns: 1fr auto auto; gap: .5rem; align-items: center; }
.post-row input:first-child { grid-column: 1 / -1; }
@media (min-width: 640px) { .post-row { grid-template-columns: 2fr 1fr 1fr auto; } .post-row input:first-child { grid-column: auto; } }

.tabs { display: flex; gap: .4rem; overflow-x: auto; padding-bottom: .3rem; margin-bottom: 1.5rem; }
.tab-btn { padding: .5rem 1rem; border-radius: 999px; font-size: .85rem; font-weight: 600; white-space: nowrap; background: var(--bg-alt); border: 1px solid var(--line); }
.tab-btn.is-active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

.resultado-box { border-top: 1px dashed var(--line); margin-top: 1rem; padding-top: 1rem; }
.resultado-box h4 { font-size: .95rem; margin-bottom: .4rem; }
.resultado-box ul { list-style: disc; padding-left: 1.2rem; display: flex; flex-direction: column; gap: .3rem; font-size: .9rem; }
.resultado-box ol { list-style: decimal; padding-left: 1.2rem; display: flex; flex-direction: column; gap: .4rem; font-size: .9rem; }
.kpi-row { display: flex; gap: 1.25rem; flex-wrap: wrap; margin-bottom: .75rem; }
.kpi { display: flex; flex-direction: column; }
.kpi b { font-family: var(--mono); font-size: 1.3rem; color: var(--accent); }
.kpi span { font-size: .75rem; color: var(--mute); }

.toast-stack { position: fixed; bottom: 1.25rem; right: 1.25rem; display: flex; flex-direction: column; gap: .6rem; z-index: 999; max-width: 340px; }
.toast { background: var(--ink); color: var(--bg); padding: .8rem 1.1rem; border-radius: var(--radius-sm); font-size: .88rem; box-shadow: var(--shadow); animation: toastIn .3s var(--ease-out); }
.toast.is-error { background: var(--danger); }
.toast.is-good { background: var(--good); }
@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(15,16,25,.55); display: none; align-items: center; justify-content: center;
  padding: 1.5rem; z-index: 200;
}
.modal-overlay.is-open { display: flex; }
.modal-box { background: var(--card); border-radius: var(--radius); padding: 1.75rem; max-width: 440px; width: 100%; box-shadow: var(--shadow); }
.modal-box h3 { margin-bottom: .6rem; }
.modal-actions { display: flex; gap: .75rem; margin-top: 1.25rem; flex-wrap: wrap; }
.fake-card { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .9rem; font-family: var(--mono); font-size: .9rem; background: var(--line-soft); color: var(--mute); margin-block: 1rem; }

.empty-state { text-align: center; padding: 3rem 1rem; color: var(--mute); }

.stat-value { font-family: var(--display); font-weight: 700; font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.12; letter-spacing: -0.01em; }

.history-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.history-table th, .history-table td { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--line-soft); }
.history-table th { color: var(--mute); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }

/* =============================================================
   8. Responsive breakpoints reference
   ============================================================= */
@media (min-width: 540px) {}
@media (min-width: 720px) {}
@media (min-width: 960px) {}
@media (min-width: 1280px) {}

/* =============================================================
   9. Reduced motion
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .credits-pill.is-pulsing { transform: none; }
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}