/* ============================================================
   LinwaFranca — Sistema Visual (Portugués Corporativo High-Ticket)
   Portado de Claude Design a producción estática.
   ============================================================ */

:root {
  --bg: oklch(0.985 0.004 90);
  --bg-elev: oklch(0.995 0.003 90);
  --bg-sunken: oklch(0.955 0.006 90);
  --line: oklch(0.88 0.008 250);
  --line-strong: oklch(0.78 0.01 250);
  --ink: oklch(0.22 0.02 250);
  --ink-soft: oklch(0.42 0.015 250);
  --ink-mute: oklch(0.58 0.012 250);

  --accent: oklch(0.32 0.08 255);          /* Azul marino oscuro */
  --accent-hover: oklch(0.27 0.085 255);
  --accent-soft: oklch(0.32 0.08 255 / 0.08);
  --accent-ink: oklch(0.985 0.004 90);

  --danger: oklch(0.55 0.18 28);
  --success: oklch(0.55 0.12 160);

  --serif: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --radius: 2px;
  --radius-lg: 4px;

  --shadow-sm: 0 1px 0 oklch(0.22 0.02 250 / 0.04);
  --shadow-md: 0 1px 2px oklch(0.22 0.02 250 / 0.06), 0 8px 24px -12px oklch(0.22 0.02 250 / 0.12);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- Cintillo superior ---------- */
.topstrip {
  border-bottom: 1px solid var(--line);
  background: var(--bg-elev);
}
.topstrip__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 10px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.topstrip__eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.topstrip__meta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: flex;
  gap: 24px;
}
.topstrip__meta span::before {
  content: "■ ";
  color: var(--accent);
  font-size: 8px;
  vertical-align: middle;
  margin-right: 4px;
}

/* ---------- Header / brand ---------- */
.masthead {
  border-bottom: 1px solid var(--line);
}
.masthead__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 22px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.brand__mark {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.brand__mark em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}
.brand__sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  border-left: 1px solid var(--line-strong);
  padding-left: 10px;
}
.nav {
  display: flex;
  gap: 28px;
  font-size: 13px;
  color: var(--ink-soft);
}
.nav a {
  color: inherit;
  text-decoration: none;
  position: relative;
}
.nav a:hover { color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  max-width: 1240px;
  margin: 0 auto;
  padding: 72px 32px 56px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 88px;
  align-items: start;
}

.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}
.kicker::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

.hero__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0 0 28px;
  text-wrap: balance;
}
.hero__title .accent {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.hero__title .underline {
  position: relative;
}
.hero__title .underline::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6px;
  height: 8px;
  background: var(--accent-soft);
  z-index: -1;
}

.hero__lead {
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 32px;
}
.hero__lead strong { color: var(--ink); }

.errors-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.errors-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: baseline;
  font-size: 14.5px;
  color: var(--ink-soft);
}
.errors-list .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
  padding-top: 2px;
}
.errors-list strong {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- Form card ---------- */
.capture {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 36px 30px;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 32px;
}
.capture__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.capture__tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.capture__pages {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
}
.capture__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 24px;
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin: 14px 0 6px;
  color: var(--ink);
  text-wrap: balance;
}
.capture__sub {
  font-size: 13.5px;
  color: var(--ink-soft);
  margin: 0 0 24px;
  line-height: 1.5;
}

.form { display: grid; gap: 14px; }
.field {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.field:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field.has-error {
  border-color: var(--danger);
}
.field label {
  position: absolute;
  left: 14px;
  top: 14px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  pointer-events: none;
  transition: transform 160ms ease, color 160ms ease;
  transform-origin: left top;
}
.field.is-filled label,
.field:focus-within label {
  transform: translateY(-4px) scale(0.92);
  color: var(--accent);
}
.field input {
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  padding: 28px 14px 10px;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  border-radius: var(--radius);
}
.field input::placeholder { color: transparent; transition: color 160ms ease; }
.field:focus-within input::placeholder { color: var(--ink-mute); }
.field__err {
  position: absolute;
  right: 14px;
  bottom: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--danger);
  text-transform: uppercase;
}

/* honeypot: invisible para humanos, visible para bots */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  overflow: hidden;
}

.cta {
  appearance: none;
  border: 0;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: 0.01em;
  padding: 16px 22px;
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: background 160ms ease, transform 160ms ease;
  margin-top: 6px;
  text-decoration: none;
}
.cta:hover { background: var(--accent-hover); }
.cta:active { transform: translateY(1px); }
.cta__arrow {
  display: inline-flex;
  align-items: center;
  transition: transform 220ms cubic-bezier(.2,.7,.2,1);
}
.cta:hover .cta__arrow { transform: translateX(4px); }
.cta[disabled] { opacity: 0.6; cursor: not-allowed; }

.form__global-err {
  font-size: 12.5px;
  color: var(--danger);
  margin: 4px 0 0;
  line-height: 1.5;
  display: none;
}
.form__global-err.is-visible { display: block; }
.form__global-err a { color: inherit; }

.consent {
  font-size: 11.5px;
  color: var(--ink-mute);
  margin: 14px 0 0;
  line-height: 1.5;
}

.divider-or {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 14px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.divider-or::before,
.divider-or::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.vip {
  display: block;
  text-align: center;
  font-size: 13px;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 6px 0 0;
  line-height: 1.45;
  cursor: pointer;
}
.vip strong {
  color: var(--ink);
  font-weight: 600;
  display: inline-block;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-size: 100% 1px;
  background-position: 0 100%;
  padding-bottom: 2px;
  line-height: 1.5;
  transition: color 160ms ease;
}
.vip:hover strong { color: var(--accent); }
.vip__hint {
  display: block;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 4px;
}

/* ---------- Trust strip ---------- */
.trust {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-elev);
  margin-top: 56px;
}
.trust__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 56px 32px;
  display: grid;
  grid-template-columns: 1.1fr 2fr;
  gap: 56px;
  align-items: start;
}
.trust__heading {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}
.trust__heading em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}
.trust__lede {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 14px;
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-left: 1px solid var(--line);
}
.stat {
  padding: 6px 22px;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: 0; }
.stat__num {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 44px;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.stat__num span {
  font-size: 18px;
  color: var(--accent);
  font-weight: 400;
  font-style: italic;
}
.stat__label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 12px;
  line-height: 1.45;
}

/* ---------- Página de gracias ---------- */
.thanks {
  max-width: 720px;
  margin: 0 auto;
  padding: 72px 32px 88px;
}
.success__check {
  width: 44px;
  height: 44px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--accent);
  margin-bottom: 22px;
}
.thanks__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(30px, 4.4vw, 44px);
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0 0 14px;
  color: var(--ink);
  text-wrap: balance;
}
.thanks__lead {
  font-size: 16px;
  color: var(--ink-soft);
  margin: 0 0 44px;
  line-height: 1.6;
  max-width: 52ch;
}
.thanks__lead strong { color: var(--ink); }

.vip-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}
.vip-card__tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.vip-card__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 28px;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 12px;
  color: var(--ink);
}
.vip-card__sub {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0 0 22px;
  line-height: 1.55;
}
.vip-card .cta { display: inline-flex; }
.vip-card__hint {
  display: block;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 14px;
}

/* ---------- Footer ---------- */
.foot {
  border-top: 1px solid var(--line);
  padding: 24px 32px;
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ---------- Accesibilidad ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 48px; padding: 48px 24px; }
  .capture { position: static; }
  .trust__inner { grid-template-columns: 1fr; gap: 32px; padding: 40px 24px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat { border-bottom: 1px solid var(--line); padding: 18px 18px; }
  .stat:nth-child(2) { border-right: 0; }
  .topstrip__meta { display: none; }
  .nav { display: none; }
  .masthead__inner, .topstrip__inner { padding: 14px 20px; }
  .thanks { padding: 48px 24px 64px; }
  .vip-card { padding: 28px 24px; }
}