/* ============================================================
   Redondo · landing
   Tokens tomados tal cual del Manual de Identidad de Marca v1.0
   (App/docs/marca/Redondo-Identidad-de-Marca.html). No se inventa
   ningún color ni escala nueva.
   Móvil primero: lo de abajo es la base, las media queries suben.
   ============================================================ */

@font-face {
  font-family: 'Nunito';
  src: url('/fonts/nunito-latin-var.woff2') format('woff2');
  font-weight: 700 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
    U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212, U+FEFF, U+FFFD;
}

:root {
  /* Rampa índigo */
  --indigo-50: #F0EFFD;
  --indigo-100: #E4E1FB;
  --indigo-200: #C9C4F7;
  --indigo-300: #A79FF2;
  --indigo-400: #8076EE;
  --indigo-500: #5B4FE9; /* PRIMARIO */
  --indigo-600: #4A3FD1;
  --indigo-700: #3B32A8;
  --indigo-800: #2E2880;
  --indigo-900: #241F63;

  /* Neutrales con sesgo índigo */
  --ink: #16141F;
  --graphite: #3A3750;
  --smoke: #6E6B85;
  --mist: #E7E5F1;
  --cloud: #F6F5FC;
  --white: #FFFFFF;

  /* Semánticos: solo estado, nunca acento */
  --ok: #16A34A;
  --warn: #D9860B;
  --crit: #DC2626;

  --font-round: 'Nunito', 'SF Pro Rounded', 'Segoe UI', system-ui, sans-serif;
  --font-sans: 'Segoe UI', -apple-system, BlinkMacSystemFont, system-ui, Roboto,
    'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Cascadia Code', 'Consolas', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Semánticos de superficie */
  --bg: var(--cloud);
  --surface: var(--white);
  --surface-alt: var(--indigo-50);
  --text: var(--ink);
  --text-mut: var(--smoke);
  --border: var(--mist);
  --accent: var(--indigo-500);
  --accent-ink: var(--indigo-700);
  --on-accent: var(--white);
  --shadow: 0 1px 2px rgba(22, 20, 31, 0.04), 0 12px 32px -12px rgba(46, 40, 128, 0.18);
  --shadow-lg: 0 2px 4px rgba(22, 20, 31, 0.05), 0 28px 60px -20px rgba(46, 40, 128, 0.28);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E0D16;
    --surface: #1A1830;
    --surface-alt: #211E3C;
    --text: #ECEBF5;
    --text-mut: #A5A2BE;
    --border: #2A2743;
    --accent: #8076EE;
    --accent-ink: #A79FF2;
    --on-accent: #0E0D16;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 16px 40px -16px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 2px 6px rgba(0, 0, 0, 0.35), 0 30px 60px -20px rgba(0, 0, 0, 0.7);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; }

/* Foco siempre visible, en cualquier fondo. */
:where(a, button, input, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--on-accent);
  padding: 12px 18px;
  z-index: 50;
  border-radius: 0 0 10px 0;
  font-weight: 700;
}
.skip-link:focus { left: 0; }

/* ---------- Tipografía ---------- */
h1, h2, h3 { font-family: var(--font-round); letter-spacing: -0.02em; line-height: 1.12; margin: 0; text-wrap: balance; }
h1 { font-weight: 800; font-size: clamp(2rem, 7.5vw, 3.5rem); letter-spacing: -0.035em; }
h2 { font-weight: 800; font-size: clamp(1.55rem, 5vw, 2.3rem); }
h3 { font-weight: 800; font-size: 1.1rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; max-width: 62ch; }
p:last-child { margin-bottom: 0; }
.lead { font-size: clamp(1.05rem, 3.4vw, 1.25rem); line-height: 1.55; color: var(--text-mut); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin: 0 0 14px;
}

/* ---------- Cabecera ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand svg { width: 30px; height: 30px; flex: 0 0 auto; }
.brand b { font-family: var(--font-round); font-weight: 800; font-size: 1.3rem; letter-spacing: -0.035em; }
.topbar .btn { padding: 9px 16px; font-size: 0.92rem; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.2;
  padding: 16px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
}
.btn-primary {
  background: var(--indigo-500);
  color: #fff;
  box-shadow: 0 10px 24px -10px rgba(91, 79, 233, 0.9);
}
.btn-primary:hover { background: var(--indigo-600); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-primary[disabled] { opacity: 0.65; cursor: progress; transform: none; }
.btn-block { width: 100%; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 44px 0 56px; }
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1000px 460px at 82% -8%, color-mix(in srgb, var(--indigo-300) 42%, transparent), transparent 70%),
    radial-gradient(760px 420px at -10% 6%, color-mix(in srgb, var(--indigo-200) 34%, transparent), transparent 70%);
  pointer-events: none;
}
.hero > .wrap { position: relative; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent-ink);
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero h1 { margin-bottom: 18px; }
.hero .lead { max-width: 34ch; margin-bottom: 28px; }
.hero-cta { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.hero-note { font-size: 0.93rem; color: var(--text-mut); margin: 0; }
.hero-ring {
  display: none;
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 380px;
  height: 380px;
  opacity: 0.16;
  pointer-events: none;
}

/* ---------- Secciones ---------- */
section { padding: 52px 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* ---------- Problema ---------- */
.problem p { font-size: clamp(1.05rem, 3.6vw, 1.35rem); line-height: 1.5; color: var(--text); max-width: 34ch; font-family: var(--font-round); font-weight: 700; letter-spacing: -0.01em; }
.problem p + p { margin-top: 0.7em; }
.problem .answer { font-family: var(--font-sans); font-weight: 400; font-size: 1rem; color: var(--text-mut); max-width: 60ch; margin-top: 1.4em; }

/* ---------- Lista de capacidades ---------- */
.caps { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 12px; }
.caps li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.caps svg { width: 20px; height: 20px; flex: 0 0 auto; margin-top: 3px; color: var(--accent); }
.caps b { display: block; font-size: 0.98rem; }
.caps span { display: block; font-size: 0.9rem; color: var(--text-mut); line-height: 1.45; }

/* ---------- Pasos ---------- */
.steps { list-style: none; counter-reset: paso; margin: 30px 0 0; padding: 0; display: grid; gap: 18px; }
.steps li {
  counter-increment: paso;
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 22px 22px;
  box-shadow: var(--shadow);
}
.steps li::before {
  content: counter(paso);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--on-accent);
  background: var(--accent);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.steps h3 { margin-bottom: 6px; }
.steps p { color: var(--text-mut); font-size: 0.97rem; }

/* ---------- Precio ---------- */
.price-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 26px 22px;
  box-shadow: var(--shadow-lg);
  margin-top: 26px;
}
.price-rows { display: grid; gap: 18px; }
.price-row { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 14px; }
.price-row .what b { display: block; font-size: 1.02rem; }
.price-row .what span { display: block; font-size: 0.92rem; color: var(--text-mut); max-width: 46ch; }
.price-row .amount {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--accent-ink);
  white-space: nowrap;
}
.price-row .amount small { font-size: 0.8rem; font-weight: 600; color: var(--text-mut); }
.price-note { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--border); font-size: 0.94rem; color: var(--text-mut); }

/* ---------- Formulario ---------- */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px 20px 26px;
  box-shadow: var(--shadow-lg);
  margin-top: 26px;
}
.field { margin-bottom: 20px; }
.field label { display: block; font-weight: 700; font-size: 0.98rem; margin-bottom: 7px; }
.hint { display: block; font-size: 0.88rem; color: var(--text-mut); margin-bottom: 8px; }
.field input[type='text'],
.field input[type='tel'] {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--text);
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 14px 15px;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}
.field input[type='tel'] { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: 0.02em; }
.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);
  outline: none;
}
.field input[aria-invalid='true'] { border-color: var(--crit); }
.field input[aria-invalid='true']:focus { box-shadow: 0 0 0 4px color-mix(in srgb, var(--crit) 20%, transparent); }

.error {
  display: none;
  color: var(--crit);
  font-size: 0.92rem;
  font-weight: 600;
  margin-top: 7px;
  line-height: 1.4;
}
.error:not(:empty) { display: block; }
/* Un mensaje que ya se mostró deja su lugar reservado aunque se vacíe, para
   que corregir el campo no acorte la página de golpe (lo pone form.js). */
.error.reservado { display: block; }

.consent { display: flex; gap: 12px; align-items: flex-start; }
.consent input[type='checkbox'] {
  width: 26px;
  height: 26px;
  margin: 0;
  flex: 0 0 auto;
  accent-color: var(--indigo-500);
}
/* La etiqueta también marca la casilla, así que el área que se puede tocar
   es toda esta fila y no solo el cuadrito. */
.consent label { font-weight: 400; font-size: 0.95rem; line-height: 1.45; margin: 0; padding: 3px 0; cursor: pointer; }

/* Campo trampa: fuera de la vista, fuera del foco y fuera del lector de
   pantalla. No usa display:none porque algunos bots lo detectan. */
.trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-foot { font-size: 0.88rem; color: var(--text-mut); margin-top: 16px; text-align: center; }

.alert {
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 20px;
  border: 1px solid;
}
.alert-ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 10%, var(--surface)); border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.alert-bad { color: var(--crit); background: color-mix(in srgb, var(--crit) 8%, var(--surface)); border-color: color-mix(in srgb, var(--crit) 30%, transparent); }
.alert:empty { display: none; }

.done { text-align: center; padding: 18px 6px; }
.done svg { width: 54px; height: 54px; color: var(--ok); }
.done h3 { margin: 14px 0 8px; font-size: 1.4rem; }
.done p { color: var(--text-mut); margin: 0 auto; max-width: 44ch; }

/* ---------- Preguntas ---------- */
.faq { margin-top: 26px; display: grid; gap: 12px; }
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 4px 18px;
  box-shadow: var(--shadow);
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 30px 16px 0;
  font-weight: 700;
  font-size: 1rem;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '';
  position: absolute;
  right: 4px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2.5px solid var(--accent);
  border-bottom: 2.5px solid var(--accent);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 180ms ease;
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq .a { padding: 0 0 18px; color: var(--text-mut); font-size: 0.97rem; }

/* ---------- Pie ---------- */
.footer { background: var(--surface); border-top: 1px solid var(--border); padding: 40px 0 48px; }
.footer .sign { font-family: var(--font-round); font-weight: 800; font-size: 1.25rem; color: var(--accent-ink); letter-spacing: -0.015em; margin: 0 0 10px; }
.footer .small { font-size: 0.88rem; color: var(--text-mut); margin: 0; }

/* ============================================================
   Pantallas grandes
   ============================================================ */
@media (min-width: 760px) {
  .wrap { padding: 0 32px; }
  section { padding: 76px 0; }
  .hero { padding: 72px 0 88px; }
  .hero-cta { flex-direction: row; align-items: center; gap: 20px; }
  .hero-ring { display: block; }
  .hero .lead { max-width: 40ch; }
  .caps { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .steps { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .price-card, .form-card { padding: 34px 32px; }
  .form-card { max-width: 560px; }
  .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .field-row .field { margin-bottom: 20px; }
}

@media (min-width: 1024px) {
  .hero h1 { max-width: 15ch; }
}

/* La casilla también se marca en rojo cuando falta consentimiento: sin esto,
   el único aviso es el texto de abajo y en una pantalla chica no se ve. */
.consent input[aria-invalid='true'] { outline: 2px solid var(--crit); outline-offset: 3px; border-radius: 4px; }