/* ─────────────────────────────────────────────────────────────
   Valkirias — landing
   Los colores son los literales de AppPalette (lib/theme/app_theme.dart).
   Si un token cambia allí, hay que cambiarlo aquí: nada los sincroniza.

   Tema: claro por defecto, oscuro si lo pide el sistema, y `data-theme`
   en el <html> manda sobre las dos cosas — es el equivalente del
   ThemeController de la app (system / light / dark). El bloque oscuro
   está escrito dos veces a propósito: una para la media query y otra
   para el atributo. Un `light-dark()` lo evitaría, pero dejaría fuera a
   los navegadores que no lo tengan.
   ───────────────────────────────────────────────────────────── */

:root {
  color-scheme: light;

  /* AppPalette.light */
  --background: #F5F1EA;   /* Cream */
  --surface: #FBF8F2;      /* Paper */
  --ink: #161412;
  --ink-muted: #8A7E66;    /* Clay */
  --border: #E5DFD2;
  --tile: #EFEAE0;
  --sand: #EBE4D5;
  --inverse-surface: #161412;
  --on-inverse-surface: #F5F1EA;
  --on-inverse-accent: #EFA5A2;
  --accent: #C9302C;       /* Rust */
  --accent-soft: #F7E4E1;
  --accent-ink: #9E2925;
  --success: #5C7558;      /* Sage */
  --warning: #B68A2E;      /* Gold */

  --display: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --wrap: 1120px;
  --r-card: 22px;
  --r-row: 18px;
  --r-btn: 14px;

  /* El botón enseña el tema al que lleva, no el que está puesto. */
  --icon-sun: none;
  --icon-moon: block;
}

/* El sistema, mientras nadie haya elegido en esta página. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;

    /* AppPalette.dark */
    --background: #141110;
    --surface: #1D1917;
    --ink: #F2EDE7;
    --ink-muted: #9C918A;
    --border: #2E2926;
    --tile: #272220;
    --sand: #2B2621;
    --inverse-surface: #262120;
    --on-inverse-surface: #F2EDE7;
    --on-inverse-accent: #E99A98;
    --accent: #D8484D;
    --accent-soft: #3A1F1F;
    --accent-ink: #E99A98;
    --success: #7FA476;
    --warning: #D9B845;

    --icon-sun: block;
    --icon-moon: none;
  }
}

/* La elección del botón, por encima del sistema. */
:root[data-theme="dark"] {
  color-scheme: dark;

  /* AppPalette.dark */
  --background: #141110;
  --surface: #1D1917;
  --ink: #F2EDE7;
  --ink-muted: #9C918A;
  --border: #2E2926;
  --tile: #272220;
  --sand: #2B2621;
  --inverse-surface: #262120;
  --on-inverse-surface: #F2EDE7;
  --on-inverse-accent: #E99A98;
  --accent: #D8484D;
  --accent-soft: #3A1F1F;
  --accent-ink: #E99A98;
  --success: #7FA476;
  --warning: #D9B845;

  --icon-sun: block;
  --icon-moon: none;
}

/* ── Base ─────────────────────────────────────────────────── */

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}

h1 { font-size: clamp(38px, 5.6vw, 62px); }
h2 { font-size: clamp(30px, 4vw, 44px); }
h3 { font-size: 21px; margin-bottom: 10px; }

p { margin: 0 0 14px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 760px; }
.center { text-align: center; }

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 16px; top: 16px; z-index: 20;
  background: var(--accent); color: #fff;
  padding: 10px 16px; border-radius: var(--r-btn);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* Eyebrow rojo → titular serif → cuerpo gris: el patrón de la app. */
.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 12px;
}
.eyebrow.accent-on-dark { color: var(--on-inverse-accent); }

.lead, .section-lead {
  color: var(--ink-muted);
  font-size: 18px;
  max-width: 58ch;
}

.on-dark { color: var(--on-inverse-surface); }
.on-dark-muted { color: rgba(245, 241, 234, 0.68); }

/* ── Marca ────────────────────────────────────────────────── */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.glyph {
  width: 23px; height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linejoin: miter;
  stroke-linecap: square;
}
.wordmark {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.15em;
}

/* ── Botones ──────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 26px;
  border-radius: var(--r-btn);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-sm { padding: 10px 18px; font-size: 14px; }

.btn-solid { background: var(--inverse-surface); color: var(--on-inverse-surface); }
.btn-solid:hover { background: var(--ink); opacity: .9; }

.btn-accent { background: var(--accent); color: #FFF7F5; }
.btn-accent:hover { background: var(--accent-ink); }

.btn-ghost { border-color: var(--border); background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--tile); }

.btn-outline-light {
  border-color: rgba(245, 241, 234, 0.35);
  color: var(--on-inverse-surface);
}
.btn-outline-light:hover { background: rgba(245, 241, 234, 0.08); }

.arrow { transition: transform .15s ease; }
.btn:hover .arrow { transform: translateX(3px); }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.center-row { justify-content: center; }

/* ── Nav ──────────────────────────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--background) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-row {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 68px;
}
.nav-links {
  display: flex;
  gap: 26px;
  margin-left: auto;
  font-size: 14px;
  font-weight: 500;
}
.nav-links a { color: var(--ink-muted); text-decoration: none; }
.nav-links a:hover { color: var(--ink); }

/* Selector de tema: el equivalente de la fila "Apariencia" de la app. */
.theme-toggle {
  width: 40px;
  height: 40px;
  flex: none;
  display: grid;
  place-items: center;
  padding: 0;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--tile);
  color: var(--ink);
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.theme-toggle:hover { background: var(--sand); border-color: var(--ink-muted); }
.theme-toggle svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.theme-toggle .icon-sun { display: var(--icon-sun); }
.theme-toggle .icon-moon { display: var(--icon-moon); }

/* ── Hero ─────────────────────────────────────────────────── */

.hero { padding: 88px 0 72px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-facts {
  list-style: none;
  margin: 36px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 10px;
  color: var(--ink-muted);
  font-size: 15px;
}
.hero-facts strong { color: var(--ink); font-weight: 600; }

/* Maqueta del móvil */
.hero-art { display: flex; justify-content: center; }

.phone {
  width: 320px;
  padding: 12px;
  border-radius: 42px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 32px 70px -30px rgba(22, 20, 18, 0.45);
}
.phone-screen {
  border-radius: 32px;
  background: var(--background);
  border: 1px solid var(--border);
  padding: 20px 16px;
  display: grid;
  gap: 12px;
}

.row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.mini-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 6px;
}
.mini-title { font-family: var(--display); font-size: 20px; margin: 0; }

.bell {
  position: relative;
  width: 34px; height: 34px;
  border-radius: 12px;
  background: var(--tile);
  display: inline-block;
}
.bell::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1.6px solid var(--ink-muted);
  border-radius: 50% 50% 4px 4px;
}
.bell-dot {
  position: absolute;
  top: 7px; right: 7px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  border: 1.5px solid var(--tile);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 16px;
}
.card-dark {
  background: var(--inverse-surface);
  color: var(--on-inverse-surface);
  border-color: transparent;
}
.card-h { font-family: var(--display); font-size: 22px; margin: 0 0 4px; }
.card-h.sm { font-size: 19px; margin: 0; }
.card-sub { font-size: 12px; color: var(--ink-muted); margin: 0; }
.card-sub.center { text-align: center; margin-top: 8px; }
.card-dark .card-sub { color: rgba(245, 241, 234, 0.6); }

.pill-cta {
  display: inline-block;
  margin-top: 14px;
  padding: 9px 16px;
  border-radius: 12px;
  background: var(--accent);
  color: #FFF7F5;
  font-size: 12px;
  font-weight: 600;
}

.card-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.ring {
  width: 72px; height: 72px;
  margin: 10px auto 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    conic-gradient(var(--accent) 0 75%, var(--tile) 75% 100%);
  position: relative;
  font-size: 13px;
  font-weight: 600;
}
.ring::before {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  background: var(--surface);
}
.ring span { position: relative; }

.rings {
  position: relative;
  width: 72px; height: 72px;
  margin: 10px auto 0;
}
.rings span {
  position: absolute;
  border-radius: 50%;
  border: 6px solid var(--tile);
}
.ring-a { inset: 0;   border-top-color: var(--accent);  border-right-color: var(--accent); }
.ring-b { inset: 11px; border-top-color: var(--warning); }
.ring-c { inset: 22px; border-top-color: var(--success); border-left-color: var(--success); }

.delta {
  font-size: 12px;
  font-weight: 600;
  color: var(--success);
  background: color-mix(in srgb, var(--success) 16%, transparent);
  padding: 3px 9px;
  border-radius: 999px;
}

.spark {
  width: 100%; height: 44px;
  margin-top: 10px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

/* ── Tira de valores ──────────────────────────────────────── */

.strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--sand);
  padding: 30px 0;
}
.strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.strip-k { font-family: var(--display); font-size: 26px; margin: 0 0 2px; }
.strip-v { font-size: 13px; color: var(--ink-muted); margin: 0; }

/* ── Secciones ────────────────────────────────────────────── */

.section { padding: 92px 0; }
.section.soft { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 44px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 26px 24px;
}
.section.soft .feature { background: var(--background); }

.tile {
  width: 44px; height: 44px;
  border-radius: var(--r-row);
  background: var(--accent-soft);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}
.tile svg {
  width: 22px; height: 22px;
  fill: none;
  stroke: var(--accent-ink);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature p { color: var(--ink-muted); font-size: 15px; }

.ticks {
  list-style: none;
  margin: 16px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-muted);
}
.ticks li { padding-left: 22px; position: relative; }
.ticks li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 10px; height: 6px;
  border-left: 2px solid var(--success);
  border-bottom: 2px solid var(--success);
  transform: rotate(-45deg);
}
.ticks.on-dark-muted { border-top-color: rgba(245, 241, 234, 0.16); }

/* ── Banda de coaching ────────────────────────────────────── */

.band {
  background: var(--inverse-surface);
  color: var(--on-inverse-surface);
}
.band-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.steps { display: grid; gap: 12px; }
.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 20px;
  border-radius: var(--r-row);
  background: rgba(245, 241, 234, 0.05);
  border: 1px solid rgba(245, 241, 234, 0.1);
}
.step-n {
  font-family: var(--display);
  font-size: 18px;
  color: var(--on-inverse-accent);
  min-width: 28px;
}
.step-h { font-weight: 600; margin: 0 0 3px; }
.step-p { margin: 0; font-size: 14px; color: rgba(245, 241, 234, 0.62); }

/* ── Roles ────────────────────────────────────────────────── */

.roles .role {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 28px 24px;
}
.roles .role p:last-child { color: var(--ink-muted); font-size: 15px; margin: 0; }
.role-featured {
  background: var(--inverse-surface);
  border-color: transparent;
}

/* ── Detalles ─────────────────────────────────────────────── */

.detail {
  padding: 22px 20px;
  border-radius: var(--r-row);
  background: var(--background);
  border: 1px solid var(--border);
}
.detail-h { font-weight: 600; margin: 0 0 6px; }
.detail p:last-child { margin: 0; font-size: 14px; color: var(--ink-muted); }

/* ── FAQ ──────────────────────────────────────────────────── */

details {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
details:first-of-type { border-top: 1px solid var(--border); margin-top: 32px; }
summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 17px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+";
  color: var(--accent);
  font-size: 22px;
  line-height: 1;
  font-weight: 400;
}
details[open] summary::after { content: "–"; }
details p {
  margin: 12px 0 0;
  color: var(--ink-muted);
  max-width: 62ch;
}

/* ── Cierre ───────────────────────────────────────────────── */

.closing {
  background: var(--inverse-surface);
  color: var(--on-inverse-surface);
}
.chevron {
  width: 56px; height: 44px;
  margin: 0 auto 24px;
  fill: none;
  stroke: var(--on-inverse-surface);
  stroke-width: 3;
  stroke-linejoin: miter;
}
.closing .section-lead { margin: 0 auto; }
.fineprint {
  margin-top: 22px;
  font-size: 14px;
  color: rgba(245, 241, 234, 0.55);
}
.fineprint a { color: var(--on-inverse-accent); }

/* ── Footer ───────────────────────────────────────────────── */

.footer {
  padding: 34px 0;
  border-top: 1px solid var(--border);
  background: var(--background);
}
.footer-row {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links {
  display: flex;
  gap: 22px;
  margin-left: auto;
  font-size: 14px;
}
.footer-links a { color: var(--ink-muted); text-decoration: none; }
.footer-links a:hover { color: var(--ink); }
.copy { margin: 0; font-size: 14px; color: var(--ink-muted); }

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 1000px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 880px) {
  .hero { padding: 56px 0 48px; }
  .hero-grid, .band-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-art { order: -1; }
  .grid-3 { grid-template-columns: 1fr; }
  .strip-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .theme-toggle { margin-left: auto; }  /* sin los enlaces, el hueco es suyo */
  .section { padding: 66px 0; }
}

@media (max-width: 520px) {
  .grid-4, .strip-grid { grid-template-columns: 1fr; }
  .phone { width: 100%; max-width: 320px; }
  .footer-row { flex-direction: column; align-items: flex-start; }
  .footer-links { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
