/*
 * Portada de IKYNDO con el aspecto de la app: los colores son los del tema claro de `app/src/theme.ts` (siempre en
 * claro, fondo blanco), y las tarjetas, botones, avisos y viñetas copian los de `app/src/components/ui.tsx`. Sin
 * fuentes ni recursos de fuera (CSP del Caddyfile).
 */
:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #f6f7f5;
  --raised: #ffffff;
  --line: rgba(18, 21, 19, 0.07);
  --line-strong: rgba(18, 21, 19, 0.16);
  --fg: #121513;
  --muted: #545a56;
  --subtle: #666c68;
  --accent: #1d6b45;
  --accent-ink: #ffffff;
  --accent-fg: #1d6b45;
  --accent-faint: rgba(29, 107, 69, 0.05);
  --accent-soft: rgba(29, 107, 69, 0.09);
  --accent-line: rgba(29, 107, 69, 0.35);
  --neutral-bg: rgba(18, 21, 19, 0.05);
  --header-bg: rgba(255, 255, 255, 0.86);
  --tile-shadow: 0 1px 2px rgba(18, 21, 19, 0.08), 0 24px 48px -24px rgba(18, 21, 19, 0.45);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

.wrap {
  width: min(1080px, 100% - 32px);
  margin-inline: auto;
}

.muted {
  color: var(--muted);
}

/* Etiqueta pequeña en mayúsculas, como las de la app. */
.label {
  margin-bottom: 10px;
  color: var(--subtle);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Iconos de trazo (los mismos de lucide que usa la app). */
.i {
  width: 18px;
  height: 18px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Cabecera */
.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--header-bg);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}

.top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 60px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

/* El símbolo del logo (la K con el corredor), recortado de la imagen completa. */
.brand-mark {
  position: relative;
  width: 34px;
  height: 34px;
  overflow: hidden;
  border-radius: 9px;
  background: #000;
}

.brand-mark img {
  position: absolute;
  top: -6px;
  left: -13px;
  width: 62px;
  max-width: none;
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent-fg);
  outline-offset: 2px;
}

/* Botones: los de la app (12 px de radio, borde de 1 px, texto en 600). */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.15s ease, background-color 0.15s ease;
}

.btn:hover {
  opacity: 0.88;
}

.btn:active {
  opacity: 0.8;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.btn-secondary {
  background: var(--raised);
  border-color: var(--line-strong);
  color: var(--fg);
}

.btn-sm {
  height: 36px;
  padding: 0 12px;
  font-size: 14px;
}

.btn-lg {
  height: 52px;
  padding: 0 20px;
}

/* Viñetas con punto de acento, como `Bullets` en la app. */
.dots {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.dots li {
  position: relative;
  padding-left: 18px;
}

.dots li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 2px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-fg);
}

/* Portada */
.hero {
  padding: 64px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

h1 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4.2vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.lead {
  max-width: 34em;
  color: var(--muted);
  font-size: 1.125rem;
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 14px;
}

/* El logo, como el icono de una app. */
.logo-tile {
  width: min(400px, 100%);
  margin-inline: auto;
  border-radius: 22%;
  box-shadow: var(--tile-shadow);
}

/* Secciones */
section {
  padding: 56px 0;
  scroll-margin-top: 44px;
}

.section-head {
  max-width: 40em;
  margin-bottom: 28px;
}

h2 {
  font-size: clamp(1.45rem, 2.6vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.section-head .muted {
  margin-top: 12px;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
  line-height: 1.33;
  letter-spacing: -0.01em;
}

/* Tarjetas: las de la app (gris cálido, borde fino, 20 px de radio). */
.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.card-highlight {
  border-color: var(--accent-line);
  background: var(--accent-faint);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.card .dots {
  margin-top: 16px;
  font-size: 15px;
}

.icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-fg);
}

.icon .i {
  width: 22px;
  height: 22px;
}

.step {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* Privacidad: filas como las de los ajustes de la app. */
.privacy {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: start;
  gap: 40px;
}

.rows {
  margin: 0;
  padding: 4px 20px;
  list-style: none;
}

.rows li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
}

.rows li + li {
  border-top: 1px solid var(--line);
}

.rows .i {
  margin-top: 2px;
  color: var(--muted);
}

.rows strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 600;
}

.rows span {
  color: var(--muted);
  font-size: 15px;
}

/* Llamada final */
.cta {
  padding: 48px 24px;
  text-align: center;
}

.cta > .muted {
  max-width: 32em;
  margin: 12px auto 24px;
}

.notices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  max-width: 760px;
  margin: 32px auto 0;
  text-align: left;
}

/* Avisos: los `Notice` neutros de la app. */
.notice {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--neutral-bg);
}

.notice strong {
  display: block;
  margin-bottom: 4px;
  font-weight: 600;
}

.notice span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

/* Pie */
footer {
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--subtle);
  font-size: 13px;
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 32px;
}

footer strong {
  color: var(--fg);
  letter-spacing: 0.06em;
}

footer .wrap > p:last-child {
  max-width: 46em;
}

/* Móvil */
@media (max-width: 860px) {
  .hero {
    padding: 28px 0 40px;
  }

  .hero-grid,
  .privacy {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 28px;
  }

  .hero-art {
    order: -1;
  }

  .logo-tile {
    width: min(240px, 66%);
  }

  .grid-3,
  .notices {
    grid-template-columns: 1fr;
  }

  section {
    padding: 40px 0;
  }

  .privacy {
    gap: 4px;
  }

  .card {
    padding: 20px;
  }

  .cta {
    padding: 32px 20px;
  }
}

@media (max-width: 480px) {
  .actions .btn {
    flex: 1 1 100%;
  }

  .top .btn-sm {
    padding: 0 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn {
    transition: none;
  }
}