/* Hallmark · genre: modern-minimal · design-system: design.md · designed-as-app
 * Shared base for every marketing/content page: reset, type, buttons,
 * nav (N1b), footer (Ft4 dense typographic), WhatsApp float.
 * Hallmark · pre-emit critique: P5 H4 E4 S5 R5 V4
 */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 5rem; }
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
:root[data-theme="dark"] body { font-weight: 350; }
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button { font: inherit; color: inherit; }
:where(ul[role="list"], ol[role="list"]) { list-style: none; margin: 0; padding: 0; }
body.menu-open { overflow: hidden; }
body.menu-open .nav { position: fixed; inset: 0 0 auto; background: var(--color-paper); border-bottom-color: var(--color-rule); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 120ms !important; animation: none !important; }
}

:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; border-radius: 2px; }

.skip-link {
  position: absolute; left: var(--space-sm); top: -4rem; z-index: 1000;
  background: var(--color-ink); color: var(--color-paper);
  padding: var(--space-2xs) var(--space-sm); border-radius: var(--radius-input);
  text-decoration: none; font-weight: 600;
}
.skip-link:focus { top: var(--space-sm); }

/* ---------- Type ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  font-style: normal;
  font-stretch: 100%;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0;
  text-wrap: balance;
  overflow-wrap: anywhere;
  min-width: 0;
}
h1 { font-size: var(--text-display); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-md); line-height: 1.2; letter-spacing: -0.015em; }
h4 { font-size: var(--text-base); letter-spacing: -0.01em; }
p { margin: 0; text-wrap: pretty; }
strong, b { font-weight: 600; }
.lede { font-size: var(--text-md); line-height: 1.5; color: var(--color-muted); max-width: var(--measure); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--color-neutral); }
.label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-neutral);
}
/* Highlighter — the only decorative move. Used on one phrase per page, max. */
.mark {
  background: linear-gradient(transparent 58%, var(--color-marker) 58%, var(--color-marker) 92%, transparent 92%);
  color: inherit;
  padding: 0 0.06em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
:root[data-theme="dark"] .mark {
  background: linear-gradient(transparent 62%, var(--color-marker-soft) 62%, var(--color-marker-soft) 94%, transparent 94%);
}
.prose a, a.link {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}
.prose a:hover, a.link:hover { text-decoration-thickness: 2px; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--page-max); margin-inline: auto; padding-inline: var(--page-gutter); }
.section { padding-block: var(--space-3xl); }
.section--tight { padding-block: var(--space-2xl); }
.section--alt { background: var(--color-paper-2); }
.section + .section:not(.section--alt) { padding-top: 0; }
.section--alt + .section { padding-top: var(--space-3xl); }

/* Section head = a form-section bar: heavy rule, then heading + lede side by side */
.section-head {
  border-top: var(--rule-strong);
  padding-top: var(--space-md);
  margin-bottom: var(--space-xl);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-sm);
}
.section-head p { color: var(--color-muted); max-width: var(--measure); font-size: var(--text-md); line-height: 1.5; }
@media (min-width: 60rem) {
  .section-head { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--space-xl); align-items: end; }
}

/* Screenshot figure — real captures, hairline border, no fake device chrome */
.shot {
  margin: 0;
  background: var(--color-paper-3);
  border: var(--rule);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.shot img { width: 100%; height: auto; }
.shot figcaption { padding: var(--space-2xs) var(--space-xs); font-size: var(--text-xs); color: var(--color-neutral); border-top: var(--rule); background: var(--color-card); }
.theme-dark { display: none; }
:root[data-theme="dark"] .theme-dark { display: block; }
:root[data-theme="dark"] .theme-light { display: none; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: transparent; --btn-fg: var(--color-ink); --btn-border: var(--color-ink);
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2xs);
  min-height: 2.875rem;
  padding: 0 var(--space-md);
  border: 1.5px solid var(--btn-border);
  border-radius: var(--radius-input);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out);
}
.btn svg { flex: none; width: 1.125rem; height: 1.125rem; }
.btn:active { transform: translateY(1px); }
.btn[aria-disabled="true"], .btn:disabled { opacity: 0.45; pointer-events: none; }
.btn--primary { --btn-bg: var(--color-ink); --btn-fg: var(--color-paper); --btn-border: var(--color-ink); }
.btn--primary:hover { --btn-bg: var(--color-accent); --btn-border: var(--color-accent); --btn-fg: var(--color-accent-ink); }
.btn--secondary:hover { --btn-bg: var(--color-paper-3); }
.btn--whatsapp { --btn-bg: var(--color-whatsapp); --btn-fg: var(--color-whatsapp-ink); --btn-border: var(--color-whatsapp); }
.btn--whatsapp:hover { --btn-bg: var(--color-whatsapp-hover); --btn-border: var(--color-whatsapp-hover); }
.btn--sm { min-height: 2.375rem; padding: 0 var(--space-sm); }
.btn--text {
  min-height: auto; padding: 0; border: 0; border-radius: 0;
  color: var(--color-accent);
  text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.25em;
}
.btn--text:hover { text-decoration-thickness: 2px; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-xs); align-items: center; }

/* ---------- Nav (N1b) ---------- */
.nav {
  position: sticky; top: 0; z-index: 500;
  background: var(--color-paper);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-mid) var(--ease-out), background-color var(--dur-mid) var(--ease-out);
}
.nav.is-scrolled {
  background: color-mix(in oklch, var(--color-paper) 88%, transparent);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom-color: var(--color-rule);
}
.nav__inner {
  max-width: var(--page-max); margin-inline: auto; padding-inline: var(--page-gutter);
  height: 4rem;
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: var(--space-md);
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; justify-self: start; }
.brand img { width: 2rem; height: 2rem; border-radius: 7px; }
.brand__word { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; letter-spacing: -0.03em; white-space: nowrap; }
.brand__word b { color: var(--color-accent); font-weight: 800; }

.nav__center { display: none; justify-self: center; gap: var(--space-3xs); align-items: center; }
.nav__link {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.5rem 0.75rem; border-radius: var(--radius-input);
  font-size: var(--text-sm); font-weight: 500; color: var(--color-muted);
  text-decoration: none; white-space: nowrap;
  background: none; border: 0; cursor: pointer;
  transition: color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}
.nav__link:hover, .nav__item.is-open > .nav__link { color: var(--color-ink); background: var(--color-paper-3); }
.nav__link[aria-current="page"] { color: var(--color-ink); box-shadow: inset 0 -2px 0 var(--color-accent); border-radius: 0; }
.nav__caret { width: 0.75rem; height: 0.75rem; transition: transform var(--dur-short) var(--ease-out); }
.nav__item { position: relative; }
.nav__item.is-open .nav__caret { transform: rotate(180deg); }
.nav__dropdown {
  position: absolute; top: calc(100% + 0.5rem); left: 50%;
  width: min(38rem, 90vw);
  translate: -50% 0;
  background: var(--color-card);
  border: var(--rule); border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-sm);
  opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-mid) var(--ease-out), visibility var(--dur-short);
}
.nav__item:hover .nav__dropdown,
.nav__item:focus-within .nav__dropdown,
.nav__item.is-open .nav__dropdown { opacity: 1; visibility: visible; transform: none; }
.nav__dropdown-head { display: flex; justify-content: space-between; align-items: baseline; padding: 0 var(--space-2xs) var(--space-xs); border-bottom: var(--rule); margin-bottom: var(--space-2xs); }
.nav__dropdown-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 var(--space-2xs); }
.nav__dropitem {
  display: block; padding: 0.45rem var(--space-2xs); border-radius: var(--radius-input);
  font-size: var(--text-sm); text-decoration: none; color: var(--color-ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.nav__dropitem:hover { background: var(--color-paper-2); color: var(--color-accent); }

.nav__right { display: flex; align-items: center; gap: var(--space-2xs); justify-self: end; }
.lang-switch { display: none; align-items: center; border: var(--rule); border-radius: var(--radius-input); overflow: hidden; }
.lang-switch a {
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 500;
  padding: 0.4rem 0.55rem; text-decoration: none; color: var(--color-neutral);
}
.lang-switch a + a { border-left: var(--rule); }
.lang-switch a:hover { color: var(--color-ink); background: var(--color-paper-2); }
.lang-switch a.active { color: var(--color-ink); background: var(--color-paper-3); }
.icon-btn {
  display: inline-grid; place-items: center; width: 2.375rem; height: 2.375rem;
  border: var(--rule); border-radius: var(--radius-input); background: transparent; cursor: pointer; color: var(--color-muted);
  transition: color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}
.icon-btn:hover { color: var(--color-ink); background: var(--color-paper-2); }
.icon-btn svg { width: 1.125rem; height: 1.125rem; }
.theme-toggle .theme-icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .theme-icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .theme-icon-moon { display: block; }
.nav__cta { display: none; }
.nav-toggle { display: inline-grid; }
.nav-toggle .i-close { display: none; }
.nav-toggle[aria-expanded="true"] .i-open { display: none; }
.nav-toggle[aria-expanded="true"] .i-close { display: block; }

@media (min-width: 40rem) {
  .nav__cta { display: inline-flex; }
}
@media (min-width: 64rem) {
  .nav__center { display: flex; }
  .lang-switch { display: inline-flex; }
  .nav-toggle { display: none; }
}

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 4rem 0 0; z-index: 490;
  background: var(--color-paper);
  border-top: var(--rule);
  overflow-y: auto;
  padding: var(--space-md) var(--page-gutter) var(--space-2xl);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity var(--dur-mid) var(--ease-out), transform var(--dur-mid) var(--ease-out), visibility var(--dur-mid);
}
.mobile-menu.is-open { opacity: 1; visibility: visible; transform: none; }
.mobile-menu__list { display: grid; }
.mobile-menu__list > a, .mobile-segments > button {
  display: flex; justify-content: space-between; align-items: center; width: 100%;
  padding: var(--space-sm) 0; border: 0; border-bottom: var(--rule); background: none;
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-md); letter-spacing: -0.01em;
  text-decoration: none; text-align: left; cursor: pointer; white-space: nowrap;
}
.mobile-segments > button svg { width: 1rem; height: 1rem; transition: transform var(--dur-short) var(--ease-out); }
.mobile-segments.is-open > button svg { transform: rotate(180deg); }
.mobile-segments__list { display: none; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 var(--space-sm); padding: var(--space-xs) 0; border-bottom: var(--rule); }
.mobile-segments.is-open .mobile-segments__list { display: grid; }
.mobile-segments__list a { padding: 0.45rem 0; font-size: var(--text-sm); color: var(--color-muted); text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mobile-menu__foot { display: flex; justify-content: space-between; align-items: center; gap: var(--space-sm); margin-top: var(--space-lg); }
.mobile-menu__foot .lang-switch { display: inline-flex; }
.mobile-menu .btn { width: 100%; margin-top: var(--space-md); }
@media (min-width: 64rem) { .mobile-menu { display: none; } }

/* ---------- Footer (Ft4 dense typographic) ---------- */
.footer { border-top: var(--rule-strong); padding-block: var(--space-2xl) var(--space-xl); }
.footer__top { display: grid; gap: var(--space-xl); grid-template-columns: minmax(0, 1fr); }
.footer__brand p { margin-top: var(--space-sm); color: var(--color-muted); max-width: 34ch; }
.footer__cols { display: grid; gap: var(--space-lg); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.footer__col h2 { font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-neutral); margin-bottom: var(--space-xs); }
.footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.4rem; }
.footer__col a { text-decoration: none; font-size: var(--text-sm); white-space: nowrap; }
.footer__col a:hover { color: var(--color-accent); text-decoration: underline; text-underline-offset: 0.2em; }
.footer__segments { margin-top: var(--space-xl); padding-top: var(--space-md); border-top: var(--rule); font-size: var(--text-sm); line-height: 2; color: var(--color-neutral); }
.footer__segments span { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.06em; text-transform: uppercase; margin-right: var(--space-2xs); }
.footer__segments a { color: var(--color-muted); text-decoration: none; white-space: nowrap; }
.footer__segments a:hover { color: var(--color-accent); text-decoration: underline; }
.footer__segments i { font-style: normal; color: var(--color-rule); }
.footer__bottom { margin-top: var(--space-lg); display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2xs) var(--space-md); font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-neutral); }
.footer__bottom a { color: inherit; }
@media (min-width: 48rem) { .footer__cols { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 64rem) { .footer__top { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); } }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; right: var(--space-sm); bottom: var(--space-sm); z-index: 400;
  display: inline-flex; align-items: center; gap: var(--space-2xs);
  height: 3.25rem; padding: 0 1rem 0 0.9rem;
  background: var(--color-whatsapp); color: var(--color-whatsapp-ink);
  border-radius: var(--radius-pill);
  font-weight: 600; font-size: var(--text-sm); text-decoration: none; white-space: nowrap;
  box-shadow: var(--shadow-float);
  transition: transform var(--dur-short) var(--ease-out);
}
.wa-float svg { width: 1.5rem; height: 1.5rem; }
.wa-float:hover { transform: translateY(-2px); }
.wa-float__label { display: none; }
@media (min-width: 48rem) { .wa-float__label { display: inline; } .wa-float { right: var(--space-lg); bottom: var(--space-lg); } }

/* ---------- Final CTA (shared by home, segments, features) ---------- */
.cta-final { background: var(--color-ink); color: var(--color-paper); padding-block: var(--space-3xl); }
.cta-final h2 { font-size: var(--text-display-s); max-width: 18ch; }
.cta-final p { color: color-mix(in oklch, var(--color-paper) 72%, var(--color-ink)); max-width: 46ch; margin-top: var(--space-sm); font-size: var(--text-md); }
.cta-final__grid { display: grid; gap: var(--space-xl); grid-template-columns: minmax(0, 1fr); }
.cta-final .btn--primary { --btn-bg: var(--color-paper); --btn-fg: var(--color-ink); --btn-border: var(--color-paper); }
.cta-final .btn--primary:hover { --btn-bg: var(--color-marker); --btn-border: var(--color-marker); --btn-fg: var(--color-marker-ink); }
.cta-final .btn--secondary { --btn-fg: var(--color-paper); --btn-border: color-mix(in oklch, var(--color-paper) 45%, var(--color-ink)); }
.cta-final .btn--secondary:hover { --btn-bg: color-mix(in oklch, var(--color-paper) 12%, var(--color-ink)); }
.cta-final__stores { display: grid; gap: var(--space-xs); align-content: start; }
.store-btn {
  display: flex; align-items: center; gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border: 1.5px solid color-mix(in oklch, var(--color-paper) 35%, var(--color-ink));
  border-radius: var(--radius-card);
  text-decoration: none; color: var(--color-paper);
  transition: border-color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}
.store-btn:hover { border-color: var(--color-paper); background: color-mix(in oklch, var(--color-paper) 8%, var(--color-ink)); }
.store-btn svg { width: 1.75rem; height: 1.75rem; flex: none; }
.store-btn small { display: block; font-size: var(--text-xs); opacity: 0.75; }
.store-btn strong { display: block; font-family: var(--font-display); font-size: var(--text-md); font-weight: 800; letter-spacing: -0.01em; }
.store-btn .arrow { margin-left: auto; width: 1.125rem; height: 1.125rem; }
.cta-final__contact { margin-top: var(--space-xl); padding-top: var(--space-md); border-top: 1px solid color-mix(in oklch, var(--color-paper) 22%, var(--color-ink)); display: flex; flex-wrap: wrap; gap: var(--space-2xs) var(--space-lg); font-size: var(--text-sm); color: color-mix(in oklch, var(--color-paper) 70%, var(--color-ink)); }
.cta-final__contact a { color: var(--color-paper); }
:root[data-theme="dark"] .cta-final { background: var(--color-paper-2); color: var(--color-ink); border-block: var(--rule); }
:root[data-theme="dark"] .cta-final p, :root[data-theme="dark"] .cta-final__contact { color: var(--color-muted); }
:root[data-theme="dark"] .cta-final .btn--primary { --btn-bg: var(--color-ink); --btn-fg: var(--color-paper); --btn-border: var(--color-ink); }
:root[data-theme="dark"] .cta-final .btn--secondary { --btn-fg: var(--color-ink); --btn-border: var(--color-rule); }
:root[data-theme="dark"] .store-btn { color: var(--color-ink); border-color: var(--color-rule); }
:root[data-theme="dark"] .cta-final__contact a { color: var(--color-ink); }
@media (min-width: 60rem) { .cta-final__grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: end; } }

/* ---------- WhatsApp assistant (flagged) ---------- */
.wa-assistant__grid { display: grid; gap: var(--space-xl); grid-template-columns: minmax(0, 1fr); align-items: center; }
.section-head--stack { grid-template-columns: minmax(0, 1fr) !important; }
.wa-assistant .btn-row { margin-top: var(--space-lg); }
.wa-assistant .stage__facts { display: grid; gap: var(--space-2xs); }
.wa-assistant__demo { max-width: 20rem; }
@media (min-width: 60rem) { .wa-assistant__grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); } .wa-assistant__demo { justify-self: end; } }

/* Fact list — square bullets (workflow stages, assistant) */
.stage__facts { margin-top: var(--space-md); display: grid; gap: var(--space-2xs); max-width: 48ch; }
.stage__facts li { position: relative; padding-left: 1.25rem; font-size: var(--text-sm); }
.stage__facts li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 0.5rem; height: 0.5rem; background: var(--color-rule-strong); }

/* ---------- Utilities ---------- */
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}