/*
 * Colores del tema NUPY de la app (Palette.swift) y de los anillos del icono
 * (NupyIcon.icon). Estilo Apple: tipografía del sistema, mucho aire, poco
 * adorno. Probado también en Riso (11 oct); se quedó NUPY.
 */
:root {
  --paper: #F5F4FB;
  --surface: #FFFFFF;
  --sunken: #ECEBF6;
  --ink: #1E1F3B;
  --ink-2: #5C5D7E;
  --ink-3: #8E8EAA;
  --hairline: #E2E1EF;
  --track: #E4E3F0;
  --accent: #5B5FC7;
  --accent-soft: #E6E6F8;

  /* Los cuatro anillos del icono. */
  --ring-peach: #F5C4AE;
  --ring-sky: #9CC8F0;
  --ring-lavender: #C3B8F5;
  --ring-indigo: #8A8FF0;

  /* Estados de un sobre. */
  --ok: #00875A;
  --near: #B08900;
  --missing: #B54708;
  --over: #C01048;

  --radius: 24px;
  --gutter: 20px;
  --max: 1080px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121318;
    --surface: #1B1C24;
    --sunken: #16171D;
    --ink: #F3F3F7;
    --ink-2: #A3A4B5;
    --ink-3: #6E6F82;
    --hairline: #2A2B36;
    --track: #2A2B36;
    --accent: #8A8FF0;
    --accent-soft: #272654;
    --ok: #19A87A;
    --near: #B08A1E;
    --missing: #F08A3C;
    --over: #E05A78;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- Barra de navegación ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--paper) 72%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid color-mix(in srgb, var(--hairline) 70%, transparent);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; }

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 14px;
}
.nav-links a { color: var(--ink-2); }
.nav-links a:hover { color: var(--ink); text-decoration: none; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}
.pill:hover { text-decoration: none; filter: brightness(1.08); }

.pill.large {
  padding: 14px 26px;
  font-size: 17px;
}

.pill.ghost {
  background: var(--accent-soft);
  color: var(--accent);
}

@media (max-width: 760px) {
  .nav-links { display: none; }
}

/* ---------- Tipografía ---------- */

.eyebrow {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 12px;
}

.hero .eyebrow {
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.display {
  font-size: clamp(42px, 8vw, 84px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin: 0;
}

.headline {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin: 0 0 16px;
}

.title {
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 0 0 14px;
}

.lead {
  font-size: clamp(19px, 2.2vw, 23px);
  line-height: 1.45;
  color: var(--ink-2);
  margin: 0;
}

.body { color: var(--ink-2); margin: 0 0 14px; }

.rings-text {
  background: linear-gradient(100deg, var(--ring-peach), var(--ring-lavender) 35%, var(--ring-indigo) 65%, var(--ring-sky));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@media (prefers-color-scheme: light) {
  /* En claro los anillos son pálidos para texto: un paso más saturado. */
  .rings-text {
    background-image: linear-gradient(100deg, #E08A66, #8F7FE6 40%, #5B5FC7 70%, #4C8FD6);
  }
}

/* ---------- Secciones ---------- */

section { padding: 112px 0; }
section.tight { padding: 72px 0; }

.center { text-align: center; }
.center .lead { max-width: 640px; margin: 0 auto; }

.alt { background: var(--surface); }

/* ---------- Hero ---------- */

.hero {
  padding: 88px 0 0;
  text-align: center;
  position: relative;
}

.hero .lead {
  max-width: 620px;
  margin: 24px auto 32px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stage {
  position: relative;
  margin-top: 72px;
  display: flex;
  justify-content: center;
}

.glow {
  position: absolute;
  inset: 8% 10% auto;
  height: 70%;
  background:
    radial-gradient(closest-side at 30% 40%, color-mix(in srgb, var(--ring-peach) 60%, transparent), transparent),
    radial-gradient(closest-side at 70% 35%, color-mix(in srgb, var(--ring-indigo) 55%, transparent), transparent),
    radial-gradient(closest-side at 50% 70%, color-mix(in srgb, var(--ring-sky) 50%, transparent), transparent);
  filter: blur(40px);
  opacity: 0.75;
  pointer-events: none;
}

/* ---------- Teléfono ---------- */

.phone {
  position: relative;
  width: 320px;
  max-width: 100%;
  border-radius: 52px;
  padding: 12px;
  background: #0E0D1C;
  box-shadow:
    0 0 0 1.5px #2C2B4A,
    0 40px 80px -30px rgba(30, 31, 59, 0.45),
    0 20px 40px -20px rgba(30, 31, 59, 0.3);
}

.screen {
  border-radius: 41px;
  overflow: hidden;
  background: var(--paper);
  padding: 46px 14px 20px;
  position: relative;
  font-size: 13px;
  text-align: left;
}

.screen::before {
  /* La isla. */
  content: "";
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 92px;
  height: 26px;
  border-radius: 20px;
  background: #0E0D1C;
}

.hero .phone { width: 340px; }

/* ---------- Piezas de la app dibujadas ---------- */

.app-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 4px 14px;
}

.app-head strong { font-size: 20px; letter-spacing: -0.02em; }
.app-head span { color: var(--ink-2); font-size: 12px; }

.caps {
  display: flex;
  gap: 2px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(30, 31, 59, 0.08);
}
.caps i {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  display: block;
  margin: 0 3px;
}

.money-card {
  background: var(--surface);
  border-radius: 20px;
  padding: 14px 16px;
  margin-bottom: 10px;
}
.money-card small { color: var(--ink-2); font-size: 12px; }
.money-card .big {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.app-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
.app-buttons span {
  text-align: center;
  padding: 8px 0;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 14%, var(--surface));
  color: var(--accent);
  font-weight: 600;
  font-size: 12px;
}

.env-card {
  background: var(--surface);
  border-radius: 20px;
  padding: 4px 14px;
  margin-bottom: 10px;
}

.env-card .label {
  color: var(--ink-2);
  font-size: 11px;
  padding: 10px 0 2px;
}

.env {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 4px 10px;
  align-items: center;
  padding: 9px 0;
  border-top: 1px solid var(--hairline);
}
.env-card .label + .env { border-top: 0; }

.env .ico {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  grid-row: span 2;
  display: grid;
  place-items: center;
}
.env .ico svg { width: 15px; height: 15px; }

.env b { font-weight: 600; font-size: 13px; }
.env .amt {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-size: 13px;
}
.env .sub {
  grid-column: 2 / span 2;
  color: var(--ink-2);
  font-size: 11px;
}

.meter {
  grid-column: 2 / span 2;
  height: 5px;
  border-radius: 3px;
  background: var(--track);
  overflow: hidden;
  display: flex;
}
.meter i { display: block; height: 100%; border-radius: 3px; }
.meter i.gap {
  background: color-mix(in srgb, var(--missing) 30%, transparent);
  border-radius: 0 3px 3px 0;
}

.c-ok { color: var(--ok); }
.c-near { color: var(--near); }
.c-missing { color: var(--missing); }
.c-over { color: var(--over); }
.bg-ok { background: var(--ok); }
.bg-near { background: var(--near); }
.bg-missing { background: var(--missing); }
.bg-over { background: var(--over); }
.bg-accent { background: var(--accent); }

/* Colores de sobre del tema NUPY (pastilla / icono). */
.slot-indigo { background: #E6E6F8; color: #4B4FB5; }
.slot-lavender { background: #EDE9FB; color: #6A58BF; }
.slot-sky { background: #E1EEFA; color: #2E6AA8; }
.slot-teal { background: #DCF1F4; color: #1D7385; }
.slot-orchid { background: #F4E6F4; color: #9A4A9C; }
.slot-navy { background: #E1E7F2; color: #1F3A68; }
.slot-plum { background: #F5E4EE; color: #7A2E5E; }

@media (prefers-color-scheme: dark) {
  .slot-indigo { background: #272654; color: #8A8FF0; }
  .slot-lavender { background: #2E2858; color: #C3B8F5; }
  .slot-sky { background: #1C3048; color: #9CC8F0; }
  .slot-teal { background: #163A42; color: #86D2DE; }
  .slot-orchid { background: #3A2240; color: #E0AEDC; }
  .slot-navy { background: #1A2740; color: #8FA9D6; }
  .slot-plum { background: #3A1C30; color: #D9A0C4; }
}

/* ---------- Pasos ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
  text-align: left;
}

.step {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
}

.alt .step { background: var(--paper); }

.step .num {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 18px;
}
.step:nth-child(1) .num { background: color-mix(in srgb, var(--ring-peach) 45%, transparent); color: #A4532F; }
.step:nth-child(2) .num { background: color-mix(in srgb, var(--ring-lavender) 50%, transparent); color: #5A48B0; }
.step:nth-child(3) .num { background: color-mix(in srgb, var(--ring-sky) 50%, transparent); color: #2E6AA8; }

@media (prefers-color-scheme: dark) {
  .step:nth-child(1) .num { color: var(--ring-peach); }
  .step:nth-child(2) .num { color: var(--ring-lavender); }
  .step:nth-child(3) .num { color: var(--ring-sky); }
}

.step h3 { margin: 0 0 6px; font-size: 20px; letter-spacing: -0.015em; }
.step p { margin: 0; color: var(--ink-2); }

@media (max-width: 760px) {
  .steps { grid-template-columns: 1fr; }
}

/* ---------- Funciones alternadas ---------- */

.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature + .feature { margin-top: 128px; }

.feature.flip .feature-art { order: -1; }

.feature-art {
  display: flex;
  justify-content: center;
}

.feature ul {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
}
.feature li {
  position: relative;
  padding-left: 26px;
  margin: 8px 0;
  color: var(--ink-2);
}
.feature li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.55em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2.5px solid var(--accent);
}

@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; gap: 40px; }
  .feature.flip .feature-art { order: 0; }
  .feature + .feature { margin-top: 96px; }
}

/* Tarjetas sueltas que hacen de ilustración (sin teléfono). */
.panel {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border-radius: 28px;
  padding: 22px;
  box-shadow: 0 30px 60px -30px rgba(30, 31, 59, 0.25);
  font-size: 14px;
}
.alt .panel { background: var(--paper); box-shadow: none; }

.panel .row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--hairline);
}
.panel .row:first-of-type { border-top: 0; }
.panel .row span { color: var(--ink-2); }
.panel .row strong { font-variant-numeric: tabular-nums; }

.panel .tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  margin: 4px 4px 0 0;
}

.panel .note {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
}

.cycle-bar {
  display: grid;
  grid-template-columns: repeat(30, 1fr);
  gap: 3px;
  margin: 14px 0 8px;
}
.cycle-bar i {
  height: 26px;
  border-radius: 4px;
  background: var(--track);
}
.cycle-bar i.done { background: var(--ring-indigo); }
.cycle-bar i.today { background: var(--accent); }
.cycle-bar i.pay { background: var(--ring-peach); }

@media (prefers-color-scheme: dark) {
  /* Más suave que hoy, como en la app (Palette.cyclePast). */
  .cycle-bar i.done { background: #4C509E; }
}

.cycle-legend {
  display: flex;
  justify-content: space-between;
  color: var(--ink-2);
  font-size: 12px;
}

/* ---------- Rejilla «y además» ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.tile {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
}
.alt .tile { background: var(--paper); }

.tile .ti {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}
.tile .ti svg { width: 21px; height: 21px; }
.tile h3 { margin: 0 0 6px; font-size: 18px; letter-spacing: -0.01em; }
.tile p { margin: 0; color: var(--ink-2); font-size: 15px; }

@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
}

/* ---------- Privacidad ---------- */

.privacy-mark {
  width: 76px;
  height: 76px;
  border-radius: 24px;
  margin: 0 auto 28px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
}
.privacy-mark svg { width: 38px; height: 38px; }

.facts {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}
.facts span {
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-2);
  font-size: 15px;
}
.alt .facts span { background: var(--paper); }

/* ---------- Precio ---------- */

.price {
  max-width: 560px;
  margin: 48px auto 0;
  background: var(--surface);
  border-radius: 32px;
  padding: 40px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.price::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 6px;
  background: linear-gradient(90deg, var(--ring-peach), var(--ring-lavender), var(--ring-indigo), var(--ring-sky));
}
.price .big {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 4px 0 6px;
}
.price ul {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  text-align: left;
  display: inline-block;
}
.price li {
  padding: 6px 0 6px 30px;
  position: relative;
  color: var(--ink-2);
}
.price li::before {
  content: "✓";
  position: absolute;
  left: 4px;
  color: var(--accent);
  font-weight: 700;
}

/* ---------- Cierre ---------- */

.closing img {
  width: 96px;
  height: 96px;
  margin-bottom: 28px;
}
.closing .lead { margin: 0 auto 32px; }

/* ---------- Pie ---------- */

footer {
  border-top: 1px solid var(--hairline);
  padding: 48px 0 56px;
  font-size: 14px;
  color: var(--ink-2);
}

.foot {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
}
.foot h4 {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--ink);
}
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li { margin: 6px 0; }
.foot a { color: var(--ink-2); }
.foot .brand { margin-bottom: 10px; }
.copy { margin-top: 40px; color: var(--ink-3); font-size: 13px; }

@media (max-width: 640px) {
  .foot { grid-template-columns: 1fr 1fr; }
  .foot > :first-child { grid-column: 1 / -1; }
}

/* ---------- Páginas de texto (privacidad, soporte) ---------- */

.doc {
  max-width: 720px;
  margin: 0 auto;
  padding: 72px var(--gutter) 40px;
}
.doc h1 {
  font-size: clamp(36px, 6vw, 52px);
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin: 0 0 12px;
}
.doc h2 { font-size: 22px; letter-spacing: -0.015em; margin: 44px 0 8px; }
.doc p, .doc li { color: var(--ink-2); }
.doc strong { color: var(--ink); }
.doc .muted { color: var(--ink-3); }

.faq {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 4px 24px;
  margin-top: 16px;
}
.faq details { border-top: 1px solid var(--hairline); padding: 18px 0; }
.faq details:first-child { border-top: 0; }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  color: var(--accent);
  font-weight: 400;
  font-size: 22px;
  line-height: 1;
}
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 10px 0 0; }

/* ---------- Aparición al hacer scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Sin JavaScript, todo visible. */
.no-js .reveal { opacity: 1; transform: none; }