/* ──────────────────────────────────────────────────────────────────────────
   Brújula de Lezo — landing
   Paleta: idéntica a la app Android (Siglo de Oro / Imperio español, en HSL).
   Fonts:  Fraunces (display), IBM Plex Sans (body), JetBrains Mono (detalle)
   ────────────────────────────────────────────────────────────────────────── */

:root {
  /* ── Tokens de marca (constantes, no cambian con el tema) ───────────── */
  /* Modo claro de la app */
  --azul-imperial:  hsl(214 45% 21%);   /* Azul Marino Imperial */
  --oro-viejo:      hsl(40 42% 57%);    /* Oro Viejo            */
  --borgona:        hsl(2 62% 34%);     /* Rojo Borgoña         */
  --pergamino:      hsl(41 52% 88%);    /* Blanco Pergamino     */
  --cuero:          hsl(31 34% 24%);    /* Marrón Cuero         */
  /* Modo oscuro de la app */
  --oro-brillante:  hsl(40 60% 65%);    /* Oro Viejo Brillante  */
  --azul-medio:     hsl(214 40% 30%);   /* Azul Marino Medio    */
  --borgona-vivo:   hsl(2 75% 45%);     /* Rojo Borgoña Vivo    */
  --abismo:         hsl(214 50% 12%);   /* Azul Abismo Profundo */
  --bronce:         hsl(41 30% 50%);    /* Bronce Envejecido    */

  /* ── Tokens semánticos (modo claro por defecto) ─────────────────────── */
  --paper:          var(--pergamino);
  --ink:            var(--cuero);
  --ink-soft:       hsl(31 30% 32%);
  --ink-mute:       hsl(31 22% 46%);
  --heading:        var(--azul-imperial);
  --accent:         var(--azul-imperial);   /* primary / enlaces  */
  --gold:           var(--oro-viejo);
  --crimson:        var(--borgona);
  --surface-card:   hsl(42 55% 94%);
  --line:           hsl(40 33% 78%);
  --line-soft:      hsl(41 45% 84%);
  --soft-fill:      hsl(40 45% 82%);        /* contenedor primario tenue */
  --hero-grad-1:    hsl(40 55% 70% / 0.30);
  --hero-grad-2:    hsl(214 45% 35% / 0.12);
  --shadow-soft:    0 1px 2px hsl(31 40% 15% / .08), 0 8px 24px -12px hsl(31 40% 15% / .22);
  --shadow-deep:    0 30px 60px -30px hsl(214 60% 8% / .45), 0 12px 24px -16px hsl(214 60% 8% / .28);
  --grain-color:    hsl(31 40% 20% / 0.05);

  /* Screen del mockup en modo claro (no hereda el tema de la página) */
  --screen-bg:      hsl(41 52% 88%);
  --screen-ink:     hsl(31 34% 24%);
  --screen-accent:  hsl(2 62% 34%);

  /* Tipografía & layout */
  --serif: "Fraunces", "Iowan Old Style", "Georgia", serif;
  --sans:  "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --radius: 16px;
  --radius-lg: 28px;
  --max: 1180px;
}

/* ── Modo oscuro por preferencia del SO (default) ─────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --paper:          var(--abismo);
    --ink:            hsl(41 42% 84%);
    --ink-soft:       hsl(41 30% 70%);
    --ink-mute:       var(--bronce);
    --heading:        var(--oro-brillante);
    --accent:         var(--oro-brillante);
    --gold:           var(--oro-brillante);
    --crimson:        var(--borgona-vivo);
    --surface-card:   hsl(214 38% 17%);
    --line:           hsl(214 28% 25%);
    --line-soft:      hsl(214 38% 15%);
    --soft-fill:      hsl(214 40% 22%);
    --hero-grad-1:    hsl(40 60% 55% / 0.20);
    --hero-grad-2:    hsl(214 50% 40% / 0.22);
    --shadow-soft:    0 1px 2px hsl(0 0% 0% / .4), 0 8px 24px -12px hsl(0 0% 0% / .6);
    --shadow-deep:    0 30px 60px -30px hsl(0 0% 0% / .85), 0 12px 24px -16px hsl(0 0% 0% / .6);
    --grain-color:    hsl(40 60% 80% / 0.05);
  }
}

/* ── Override manual desde el toggle ──────────────────────────────────── */
html.theme-light {
  color-scheme: light;
  --paper:          var(--pergamino);
  --ink:            var(--cuero);
  --ink-soft:       hsl(31 30% 32%);
  --ink-mute:       hsl(31 22% 46%);
  --heading:        var(--azul-imperial);
  --accent:         var(--azul-imperial);
  --gold:           var(--oro-viejo);
  --crimson:        var(--borgona);
  --surface-card:   hsl(42 55% 94%);
  --line:           hsl(40 33% 78%);
  --line-soft:      hsl(41 45% 84%);
  --soft-fill:      hsl(40 45% 82%);
  --hero-grad-1:    hsl(40 55% 70% / 0.30);
  --hero-grad-2:    hsl(214 45% 35% / 0.12);
  --shadow-soft:    0 1px 2px hsl(31 40% 15% / .08), 0 8px 24px -12px hsl(31 40% 15% / .22);
  --shadow-deep:    0 30px 60px -30px hsl(214 60% 8% / .45), 0 12px 24px -16px hsl(214 60% 8% / .28);
  --grain-color:    hsl(31 40% 20% / 0.05);
}
html.theme-dark {
  color-scheme: dark;
  --paper:          var(--abismo);
  --ink:            hsl(41 42% 84%);
  --ink-soft:       hsl(41 30% 70%);
  --ink-mute:       var(--bronce);
  --heading:        var(--oro-brillante);
  --accent:         var(--oro-brillante);
  --gold:           var(--oro-brillante);
  --crimson:        var(--borgona-vivo);
  --surface-card:   hsl(214 38% 17%);
  --line:           hsl(214 28% 25%);
  --line-soft:      hsl(214 38% 15%);
  --soft-fill:      hsl(214 40% 22%);
  --hero-grad-1:    hsl(40 60% 55% / 0.20);
  --hero-grad-2:    hsl(214 50% 40% / 0.22);
  --shadow-soft:    0 1px 2px hsl(0 0% 0% / .4), 0 8px 24px -12px hsl(0 0% 0% / .6);
  --shadow-deep:    0 30px 60px -30px hsl(0 0% 0% / .85), 0 12px 24px -16px hsl(0 0% 0% / .6);
  --grain-color:    hsl(40 60% 80% / 0.05);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ─── Tipografía editorial ─────────────────────────────────────────────── */
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 450;
  font-variation-settings: "opsz" 144, "SOFT" 30;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--heading);
}
h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4.6rem); line-height: 1.03; }
h2 { font-size: clamp(2rem, 3vw + 1rem, 3.4rem); line-height: 1.06; }
h3 { font-size: 1.35rem; line-height: 1.2; font-weight: 500; }
em { font-style: italic; font-variation-settings: "opsz" 144, "SOFT" 100; }

.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 6px 12px;
  border: 1px solid var(--gold);
  border-radius: 999px;
  background: color-mix(in srgb, var(--gold) 18%, transparent);
}
.eyebrow--dark  { color: var(--ink-soft); border-color: var(--line); background: var(--surface-card); }
/* Sobre el manifiesto oscuro (fijo): colores constantes */
.eyebrow--light { color: var(--oro-brillante); border-color: hsl(40 60% 65% / 0.35); background: hsl(40 60% 65% / 0.08); }

/* ─── NAV ──────────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px clamp(20px, 4vw, 56px);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark { display: inline-flex; }
.brand__name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  color: var(--heading);
}
.nav__links { display: flex; gap: 28px; }
.nav__links a {
  font-size: 0.95rem;
  color: var(--ink-soft);
  position: relative;
}
.nav__links a:hover { color: var(--accent); }
.nav__links a:hover::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 1px; background: var(--gold);
}

/* ─── Theme toggle ─────────────────────────────────────────────────────── */
.theme-toggle {
  appearance: none; -webkit-appearance: none;
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  margin-left: 8px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-card);
  color: var(--ink-soft);
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--gold);
}
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
html.theme-dark .theme-toggle .icon-sun { display: block; }
html.theme-dark .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  html:not(.theme-light) .theme-toggle .icon-sun { display: block; }
  html:not(.theme-light) .theme-toggle .icon-moon { display: none; }
}

/* ─── HERO ─────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: clamp(56px, 9vw, 116px) clamp(20px, 4vw, 56px) clamp(64px, 8vw, 116px);
  background:
    radial-gradient(ellipse 90% 70% at 82% 0%, var(--hero-grad-1), transparent 60%),
    radial-gradient(ellipse 70% 60% at 8% 35%, var(--hero-grad-2), transparent 60%),
    var(--paper);
  overflow: hidden;
}
.hero__grain {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 10%, var(--grain-color) 1px, transparent 1px),
    radial-gradient(circle at 70% 80%, var(--grain-color) 1px, transparent 1px);
  background-size: 22px 22px, 28px 28px;
  pointer-events: none;
  opacity: 0.6;
}
.hero__inner {
  position: relative; z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
.hero__copy { max-width: 640px; }
.hero__title { margin-top: 22px; margin-bottom: 24px; }
.hero__title-accent {
  display: block;
  color: var(--crimson);
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100;
}
.hero__lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0 0 32px;
}
.hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; margin-bottom: 28px; }
.btn-play {
  display: inline-flex; align-items: center;
  transition: transform .15s ease, filter .15s ease;
}
.btn-play img { height: 52px; width: auto; display: block; }
.btn-play:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn-play:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; border-radius: 8px; }
.hero__chips {
  list-style: none; padding: 0; margin: 0;
  display: flex; gap: 18px; flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
}
.hero__chips .dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--crimson); margin-right: 8px; vertical-align: middle;
  box-shadow: 0 0 0 4px hsl(2 62% 34% / 0.18);
}

/* ─── Buttons ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center;
  font-weight: 500;
  font-size: 0.98rem;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn--ghost {
  background: transparent; color: var(--ink); border-color: var(--line);
}
.btn--ghost:hover { background: var(--surface-card); border-color: var(--gold); color: var(--accent); }
/* Sobre el manifiesto oscuro (fijo) */
.btn--light { background: var(--oro-brillante); color: var(--abismo); margin-top: 28px; font-weight: 600; }
.btn--light:hover { background: hsl(40 65% 72%); }

/* ─── Phones / mockups ─────────────────────────────────────────────────── */
.phones {
  position: relative;
  width: 100%;
  height: 620px;
  perspective: 1200px;
}
.phone {
  position: absolute;
  width: 290px;
  height: 600px;
  background: linear-gradient(160deg, hsl(214 35% 22%) 0%, hsl(214 55% 7%) 100%);
  border-radius: 42px;
  padding: 10px;
  box-shadow: var(--shadow-deep), inset 0 0 0 1px hsl(40 50% 70% / 0.10);
}
.phone--front { right: 0; top: 10px; transform: rotate(4deg); z-index: 2; }
.phone--back  { left: -10px; top: 60px; transform: rotate(-6deg); z-index: 1; filter: saturate(0.96) brightness(0.99); }
.phone__notch {
  position: absolute; top: 16px; left: 50%; transform: translateX(-50%);
  width: 96px; height: 24px; background: hsl(214 55% 7%); border-radius: 0 0 14px 14px;
  z-index: 3;
}
.phone__screen {
  width: 100%; height: 100%;
  border-radius: 32px;
  overflow: hidden;
  position: relative;
}

/* Pantalla de la app (réplica de CompassScreen) */
.screen {
  height: 100%; padding: 46px 18px 22px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 18px;
  text-align: center;
}
.screen--light { background: var(--pergamino); color: var(--cuero); }
.screen--dark  { background: var(--abismo); color: hsl(41 42% 84%); }

.albion {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.05rem;
  line-height: 1.2;
  color: var(--borgona);
  padding: 0 8px;
}
.screen--dark .albion { color: var(--borgona-vivo); }

.compass {
  position: relative;
  width: 210px; height: 210px;
  display: grid; place-items: center;
}
.compass__face { width: 100%; height: 100%; object-fit: contain; }
.compass__needle {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  transform: rotate(var(--needle, 0deg));
  transform-origin: center center;
  filter: drop-shadow(0 2px 4px hsl(214 60% 8% / 0.35));
}

.quote {
  margin: 0; padding: 0 6px;
  font-family: var(--serif);
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100;
  font-size: 0.92rem;
  line-height: 1.4;
  color: color-mix(in srgb, var(--cuero) 80%, transparent);
}
.screen--dark .quote { color: hsl(41 40% 78%); }
.quote cite {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--bronce);
}

/* ─── FEATURES ─────────────────────────────────────────────────────────── */
.features {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(80px, 10vw, 140px) clamp(20px, 4vw, 56px);
}
.section__head { max-width: 720px; margin-bottom: 56px; }
.section__title { margin: 18px 0 16px; }
.section__lead { color: var(--ink-soft); font-size: 1.1rem; max-width: 58ch; }

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.card {
  grid-column: span 2;
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}
.card--lg { grid-column: span 4; }
.card--accent {
  background: linear-gradient(155deg, var(--soft-fill), var(--surface-card) 72%);
  border-color: transparent;
}
.card__num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--crimson);
  margin-bottom: 6px;
}
.card h3 { margin-bottom: 4px; color: var(--heading); }
.card p { color: var(--ink-soft); margin: 0; font-size: 0.98rem; }

/* ─── MANIFESTO (Privacy block) — fondo oscuro siempre ─────────────────── */
.manifesto {
  background: linear-gradient(160deg, hsl(214 50% 14%) 0%, hsl(214 58% 7%) 100%);
  color: hsl(41 45% 86%);
  position: relative; overflow: hidden;
}
.manifesto::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(800px 400px at 90% 10%, hsl(40 60% 55% / 0.16), transparent 60%),
    radial-gradient(600px 400px at 10% 90%, hsl(2 75% 45% / 0.16), transparent 60%);
  pointer-events: none;
}
.manifesto__inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(72px, 10vw, 140px) clamp(20px, 4vw, 56px);
}
.manifesto__title {
  color: var(--oro-brillante);
  margin: 18px 0 56px;
  max-width: 20ch;
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100;
}
.manifesto__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  border-top: 1px solid hsl(40 50% 70% / 0.16);
  padding-top: 36px;
}
.manifesto__grid h3 { color: hsl(41 50% 90%); font-family: var(--sans); font-weight: 600; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.08em; }
.manifesto__grid p { color: hsl(41 40% 80% / 0.85); font-size: 0.95rem; margin: 8px 0 0; }

/* ─── FOOTER ───────────────────────────────────────────────────────────── */
.foot { background: var(--paper); border-top: 1px solid var(--line); }
.foot__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px clamp(20px, 4vw, 56px) 32px;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; flex-wrap: wrap;
}
.foot__copy { color: var(--ink-mute); font-size: 0.92rem; max-width: 40ch; margin: 12px 0 0; }
.foot__links { display: flex; gap: 28px; }
.foot__links a { color: var(--ink-soft); font-size: 0.95rem; }
.foot__links a:hover { color: var(--accent); }
.foot__line {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px clamp(20px, 4vw, 56px) 32px;
  border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between; gap: 12px;
  font-size: 0.82rem;
  color: var(--ink-mute);
}
.mono { font-family: var(--mono); }

/* ─── Privacy/Terms page ───────────────────────────────────────────────── */
.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(48px, 7vw, 96px) clamp(20px, 4vw, 40px) 80px;
}
.legal h1 { font-size: clamp(2.2rem, 4vw + 1rem, 3.5rem); margin-bottom: 8px; }
.legal__meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 40px;
  display: block;
}
.legal h2 { font-size: 1.6rem; margin: 56px 0 16px; letter-spacing: -0.01em; }
.legal h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 28px 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.legal p, .legal li { color: var(--ink-soft); font-size: 1.02rem; line-height: 1.7; }
.legal ul { padding-left: 20px; }
.legal li { margin: 6px 0; }
.legal strong { color: var(--ink); font-weight: 600; }
.legal a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.legal a:hover { color: var(--gold); }
.legal code {
  font-family: var(--mono); font-size: 0.85em;
  background: var(--soft-fill); padding: 1px 6px; border-radius: 6px;
  color: var(--ink);
}

.legal__intro {
  background: linear-gradient(155deg, var(--soft-fill), var(--surface-card) 72%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 16px;
}
.legal__intro p { margin: 0; color: var(--ink); }
.legal__intro strong { color: var(--heading); }

.legal__back {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-mute);
  margin-bottom: 32px;
}
.legal__back:hover { color: var(--accent); }

/* ─── RESPONSIVE ───────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .hero__inner { grid-template-columns: 1fr; }
  .phones { height: 560px; max-width: 360px; margin: 24px auto 0; }
  .phone--front { right: 0; }
  .phone--back  { left: 0; }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .card, .card--lg { grid-column: span 2; }
  .manifesto__grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
}
@media (max-width: 520px) {
  .features__grid { grid-template-columns: 1fr; }
  .card, .card--lg { grid-column: span 1; }
  .manifesto__grid { grid-template-columns: 1fr; }
  .foot__inner { flex-direction: column; }
  .foot__line { flex-direction: column; align-items: flex-start; }
  .phone { width: 260px; height: 540px; }
  .phone--back { transform: rotate(-6deg) scale(0.92); }
  .screen { padding: 42px 14px 18px; gap: 14px; }
  .compass { width: 180px; height: 180px; }
  .albion { font-size: 0.95rem; }
  .quote { font-size: 0.85rem; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  .btn, .card, .btn-play { transition: none; }
}