/* ============================================================
   STYLES — layout y componentes.
   Regla del kit: acá NO se hardcodean colores ni fuentes.
   Todo sale de theme.css. Si necesitás un color nuevo,
   agregalo como variable en theme.css primero.
   ============================================================ */

/* ---------- Reset acotado ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, ul, ol, dl, dd { margin: 0; }
ul[class], ol[class] { list-style: none; padding: 0; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------- Utilidades base ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.band { padding-block: var(--section); }
.band--tight { padding-block: calc(var(--section) * .6); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------- Tipografía ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -.03em;
  text-wrap: balance;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: .6em;
}
.eyebrow::before {
  content: "";
  width: 1.8em; height: 1px;
  background: var(--ink-soft);
  opacity: .5;
}

.lede {
  font-size: var(--step-1);
  color: var(--ink-soft);
  max-width: var(--maxw-text);
  text-wrap: pretty;
}

.mark {
  background-image: linear-gradient(transparent 62%, var(--accent) 62%);
  padding-inline: .06em;
}

/* Encabezado de sección reutilizable */
.head { max-width: 46rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.head > .eyebrow { margin-bottom: 1.1rem; }
.head > h2 { font-size: var(--step-3); margin-bottom: 1rem; }
.head > p { color: var(--ink-soft); font-size: var(--step-1); text-wrap: pretty; }

/* ---------- Botones ---------- */
.btn {
  --btn-bg: var(--brand);
  --btn-fg: var(--brand-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  padding: .82em 1.5em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-weight: 600;
  font-size: var(--step-0);
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--ink); }

.btn--block { width: 100%; }
.btn--sm { padding: .6em 1.1em; font-size: var(--step--1); }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}
.nav.is-stuck { border-bottom-color: var(--line); }

.nav__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-1);
  letter-spacing: -.02em;
  color: inherit;
  text-decoration: none;
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 2rem; height: 2rem;
  border-radius: 8px;
  background: var(--brand);
  color: var(--brand-ink);
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 700;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  margin-left: auto;
}
.nav__links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: var(--step--1);
  transition: color var(--dur) var(--ease);
}
.nav__links a:hover { color: var(--ink); }

.nav__toggle { display: none; }

@media (max-width: 860px) {
  .nav__links {
    position: absolute;
    inset: 68px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem var(--gutter) 1.5rem;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav__links a { padding: .85rem 0; border-bottom: 1px solid var(--line); }
  .nav__links .btn { margin-top: 1rem; }
  .nav.is-open .nav__links { display: flex; }
  .nav__toggle {
    display: grid;
    place-items: center;
    margin-left: auto;
    width: 42px; height: 42px;
    background: none;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    cursor: pointer;
  }
}

/* ---------- Hero ---------- */
.hero { position: relative; padding-block: clamp(3.5rem, 8vw, 7rem) var(--section); }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(120% 80% at 70% 0%, #000 10%, transparent 70%);
  opacity: .5;
  pointer-events: none;
}
.hero > .wrap { position: relative; }

.hero__grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4.5rem);
  align-items: center;
}
@media (min-width: 960px) {
  .hero__grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); }
}

.hero__title { font-size: var(--step-4); margin: 1.2rem 0 1.4rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }

.hero__notes {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 1.75rem;
  font-size: var(--step--1);
  color: var(--ink-soft);
}
.hero__notes li { display: flex; align-items: center; gap: .45rem; }
.hero__notes svg { width: 1rem; height: 1rem; color: var(--brand); flex: none; }

/* ---------- App preview (el mockup configurable) ---------- */
.preview {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.preview__bar {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .85rem 1.1rem;
  border-bottom: 1px solid var(--line);
}
.preview__dots { display: flex; gap: .35rem; }
.preview__dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.preview__label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.preview__status {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .72rem;
  font-family: var(--font-mono);
  color: var(--ink-soft);
}
.preview__status::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--brand);
}
.preview__body { padding: 1.25rem; display: grid; gap: .7rem; }

.preview__metric {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--line);
}
.preview__metric b {
  font-family: var(--font-display);
  font-size: var(--step-3);
  line-height: 1;
  letter-spacing: -.03em;
}
.preview__metric span { font-size: var(--step--1); color: var(--ink-soft); }

.preview__row {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .8rem .9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}
.preview__row-main { min-width: 0; }
.preview__row-main strong { display: block; font-size: var(--step--1); font-weight: 600; }
.preview__row-main span { font-size: .78rem; color: var(--ink-soft); }
.preview__tag {
  margin-left: auto;
  flex: none;
  padding: .25em .7em;
  border-radius: 999px;
  background: color-mix(in srgb, var(--brand) 12%, transparent);
  color: var(--brand);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.preview__glyph {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.1rem; height: 2.1rem;
  border-radius: 8px;
  background: color-mix(in srgb, var(--brand) 10%, transparent);
  color: var(--brand);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
}

/* ---------- Franja de confianza ---------- */
.trust { border-block: 1px solid var(--line); padding-block: 2.25rem; }
.trust__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem 2.5rem; }
.trust__label {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink-soft);
}
.trust__items { display: flex; flex-wrap: wrap; gap: 1.25rem 2.25rem; margin-left: auto; }
.trust__items li {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 700;
  letter-spacing: -.02em;
  opacity: .45;
}

/* ---------- Grillas de tarjetas ---------- */
.cards { display: grid; gap: 1.25rem; }
@media (min-width: 720px)  { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .cards--3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  padding: 1.75rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card__icon {
  display: grid;
  place-items: center;
  width: 2.75rem; height: 2.75rem;
  margin-bottom: 1.25rem;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--brand) 10%, transparent);
  color: var(--brand);
}
.card__icon svg { width: 1.35rem; height: 1.35rem; }
.card h3 { font-family: var(--font-display); font-size: var(--step-1); letter-spacing: -.02em; margin-bottom: .5rem; }
.card p { color: var(--ink-soft); font-size: var(--step--1); line-height: 1.65; }

/* ---------- Pasos ---------- */
.steps { display: grid; gap: 0; counter-reset: step; }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(3, 1fr); } }

.step {
  position: relative;
  counter-increment: step;
  padding: 2rem 1.75rem 2rem 0;
  border-top: 2px solid var(--ink);
}
@media (min-width: 900px) {
  .step { padding-right: 2.5rem; }
  .step + .step { padding-left: 2.5rem; border-left: 1px solid var(--line); }
}
@media (max-width: 899px) {
  .step { border-top: 1px solid var(--line); }
  .step:first-child { border-top: 2px solid var(--ink); }
}
.step::before {
  content: "0" counter(step);
  display: block;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--brand);
}
.step h3 { font-family: var(--font-display); font-size: var(--step-2); letter-spacing: -.025em; margin-bottom: .6rem; }
.step p { color: var(--ink-soft); font-size: var(--step--1); }

/* ---------- Filas de features ---------- */
.feature { display: grid; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
@media (min-width: 900px) {
  .feature { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature--flip .feature__media { order: -1; }
}
.feature + .feature { margin-top: clamp(3.5rem, 7vw, 6rem); }
.feature h3 { font-family: var(--font-display); font-size: var(--step-2); letter-spacing: -.025em; margin: 1rem 0 .9rem; }
.feature p { color: var(--ink-soft); }

.checklist { display: grid; gap: .7rem; margin-top: 1.5rem; }
.checklist li { display: flex; gap: .7rem; align-items: flex-start; font-size: var(--step--1); }
.checklist svg { width: 1.15rem; height: 1.15rem; flex: none; margin-top: .18rem; color: var(--brand); }

/* ---------- Planes ---------- */
.plans { display: grid; gap: 1.25rem; align-items: start; }
@media (min-width: 900px) { .plans { grid-template-columns: repeat(3, 1fr); } }

.plan {
  display: flex;
  flex-direction: column;
  padding: 1.9rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.plan--featured {
  border-color: var(--ink);
  box-shadow: var(--shadow);
  position: relative;
}
.plan__badge {
  position: absolute;
  top: -.75rem; left: 1.9rem;
  padding: .25em .8em;
  border-radius: 999px;
  background: var(--accent);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.plan h3 { font-family: var(--font-display); font-size: var(--step-1); letter-spacing: -.02em; }
.plan__price { display: flex; align-items: baseline; gap: .35rem; margin: 1rem 0 .35rem; }
.plan__price b { font-family: var(--font-display); font-size: var(--step-3); line-height: 1; letter-spacing: -.03em; }
.plan__price span { font-size: var(--step--1); color: var(--ink-soft); }
.plan > p { font-size: var(--step--1); color: var(--ink-soft); }
.plan .checklist { margin-block: 1.5rem; }
.plan .btn { margin-top: auto; }

/* ---------- FAQ ---------- */
.faq { max-width: 52rem; }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__item:first-child { border-top: 1px solid var(--line); }
.faq__q {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1.4rem 0;
  background: none;
  border: 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 700;
  letter-spacing: -.02em;
  cursor: pointer;
}
.faq__q::after {
  content: "";
  flex: none;
  margin-left: auto;
  width: .7rem; height: .7rem;
  border-right: 2px solid var(--ink-soft);
  border-bottom: 2px solid var(--ink-soft);
  transform: rotate(45deg) translateY(-25%);
  transition: transform var(--dur) var(--ease);
}
.faq__item.is-open .faq__q::after { transform: rotate(-135deg) translateY(-25%); }
.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur) var(--ease);
}
.faq__item.is-open .faq__a { grid-template-rows: 1fr; }
.faq__a > div { overflow: hidden; }
.faq__a p { padding-bottom: 1.5rem; color: var(--ink-soft); max-width: var(--maxw-text); }

/* ---------- Alta / formulario ---------- */
.signup { background: var(--paper); color: var(--ink); }
.signup__grid { display: grid; gap: clamp(2.5rem, 6vw, 4.5rem); align-items: start; }
@media (min-width: 980px) { .signup__grid { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); } }
.signup__grid h2 { font-size: var(--step-3); margin: 1.2rem 0 1.2rem; }
.signup__grid > div > p { color: var(--ink-soft); font-size: var(--step-1); }

.form {
  padding: clamp(1.5rem, 4vw, 2.25rem);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.form__grid { display: grid; gap: 1.1rem; }
@media (min-width: 620px) { .form__grid { grid-template-columns: repeat(2, 1fr); } }
.field--full { grid-column: 1 / -1; }

.field { display: grid; gap: .45rem; }
.field > label {
  font-size: var(--step--1);
  font-weight: 600;
}
.field > label span { color: var(--ink-soft); font-weight: 400; }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: .8em .95em;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: var(--step-0);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field input::placeholder,
.field textarea::placeholder { color: color-mix(in srgb, var(--ink-soft) 70%, transparent); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 22%, transparent);
}
.field textarea { min-height: 7rem; resize: vertical; }
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: var(--danger); }
.field__error { font-size: .78rem; color: var(--danger); min-height: 0; }

.field--check { grid-column: 1 / -1; grid-template-columns: auto 1fr; align-items: start; gap: .7rem; }
.field--check input { width: 1.1rem; height: 1.1rem; margin-top: .25rem; }
.field--check label { font-weight: 400; font-size: .85rem; color: var(--ink-soft); }

.form__foot { margin-top: 1.5rem; display: grid; gap: .9rem; }
.form__legal { font-size: .78rem; color: var(--ink-soft); text-align: center; }
.form__legal a { color: inherit; }

.form__status {
  display: none;
  padding: .9rem 1.1rem;
  border-radius: var(--radius);
  font-size: var(--step--1);
  border: 1px solid var(--line);
}
.form__status.is-visible { display: block; }
.form__status[data-state="error"] { border-color: var(--danger); color: var(--danger); }

.form__done { display: none; text-align: center; padding: 1.5rem 0; }
.form__done h3 { font-family: var(--font-display); font-size: var(--step-2); letter-spacing: -.025em; margin-bottom: .6rem; }
.form__done p { color: var(--ink-soft); }
.form.is-done .form__done { display: block; }
.form.is-done .form__body { display: none; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding-block: 3rem 2.5rem; }
.footer__inner { display: flex; flex-wrap: wrap; gap: 1.5rem 2rem; align-items: center; }
.footer__links { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-left: auto; }
.footer__links a { color: var(--ink-soft); font-size: var(--step--1); text-decoration: none; }
.footer__links a:hover { color: var(--ink); }
.footer__note { width: 100%; font-size: .78rem; color: var(--ink-soft); }

/* ---------- Reveal al scrollear ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- Panel de temas (sólo para desarrollo) ---------- */
.themebar {
  position: fixed;
  right: 1rem; bottom: 1rem;
  z-index: 100;
  display: none;
  gap: .4rem;
  padding: .5rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
  font-family: var(--font-mono);
  font-size: .7rem;
}
.themebar.is-visible { display: flex; }
.themebar button {
  padding: .4em .9em;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: none;
  cursor: pointer;
}
.themebar button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }