/* Nebulaz Apps — estética fintech limpia (inspirada en Wise, acento azul) */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");

:root {
  --color-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-text: #0f1729;
  --color-text-muted: #5c6b7a;
  --color-border: #e2e8f0;
  --color-accent: #0066ff;
  --color-accent-hover: #0052cc;
  --color-accent-soft: #e8f1ff;
  --color-accent-muted: #b3d4ff;
  --color-hero-bg: #0a1628;
  --color-hero-text: #ffffff;
  --color-hero-muted: #94a8c4;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --max-width: 1120px;
  --max-width-narrow: 720px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --line-height: 1.65;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 41, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 41, 0.08);
  --shadow-lg: 0 16px 48px rgba(15, 23, 41, 0.12);
  --transition: 0.2s ease;
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--line-height);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--color-accent-hover);
}

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

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  left: var(--space-sm);
  top: var(--space-sm);
}

/* —— Header —— */
.site-header {
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.site-header__inner,
.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.site-brand {
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
}

.site-brand:hover {
  color: var(--color-accent);
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-sm);
}

.site-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-pill);
  transition: background var(--transition), color var(--transition);
}

.site-nav a:hover {
  color: var(--color-accent);
  background: var(--color-accent-soft);
}

.site-nav a[aria-current="page"] {
  color: var(--color-accent);
  background: var(--color-accent-soft);
  font-weight: 600;
}

/* —— Layout —— */
main {
  min-height: 50vh;
}

.page-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
}

.page-wrap--narrow {
  max-width: var(--max-width-narrow);
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.15;
  margin: 0 0 var(--space-md);
  font-weight: 700;
  letter-spacing: -0.03em;
}

h2 {
  font-size: 1.375rem;
  line-height: 1.25;
  margin: var(--space-lg) 0 var(--space-sm);
  font-weight: 600;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.0625rem;
  margin: var(--space-md) 0 var(--space-xs);
  font-weight: 600;
}

p {
  margin: 0 0 var(--space-sm);
}

.lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

ul,
ol {
  margin: 0 0 var(--space-sm);
  padding-left: 1.35rem;
}

li {
  margin-bottom: var(--space-xs);
}

li::marker {
  color: var(--color-accent-muted);
}

/* —— Hero (inicio) —— */
.hero {
  background: var(--color-hero-bg);
  color: var(--color-hero-text);
  padding: var(--space-xl) var(--space-md);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 100% 0%, rgba(0, 102, 255, 0.35) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 0% 100%, rgba(0, 102, 255, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.hero__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: var(--color-hero-text);
  font-size: clamp(2rem, 5vw, 3.25rem);
  max-width: 14ch;
}

.hero .lead {
  color: var(--color-hero-muted);
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  max-width: 42ch;
  margin-bottom: var(--space-lg);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* —— Secciones —— */
.section {
  padding: var(--space-xl) var(--space-md);
}

.section--surface {
  background: var(--color-surface);
}

.section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__title {
  margin-top: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.feature-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
}

.feature-card h3 {
  margin-top: 0;
  font-size: 1rem;
}

.feature-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.contact-block {
  margin-top: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-accent-soft);
  border: none;
  border-radius: var(--radius-lg);
}

.contact-block a {
  font-weight: 600;
}

/* —— Botones —— */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.375rem;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform 0.15s ease;
  cursor: pointer;
}

.btn:hover {
  border-color: var(--color-accent-muted);
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

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

.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--color-hero-text);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

/* —— Apps: selector + detalle —— */
.apps-layout {
  display: grid;
  gap: var(--space-md);
  align-items: start;
}

@media (min-width: 768px) {
  .apps-layout {
    grid-template-columns: minmax(260px, 320px) 1fr;
    gap: var(--space-lg);
  }
}

.apps-sidebar__title {
  font-size: 1.5rem;
  margin: 0 0 var(--space-xs);
}

.apps-sidebar__lead {
  margin-bottom: var(--space-md);
}

.app-picker {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.app-picker__item {
  margin: 0;
}

.app-picker__btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-sm);
  border: 2px solid transparent;
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.app-picker__btn:hover {
  border-color: var(--color-accent-muted);
  box-shadow: var(--shadow-md);
}

.app-picker__btn[aria-selected="true"] {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  box-shadow: var(--shadow-md);
}

.app-picker__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  flex-shrink: 0;
  object-fit: cover;
}

.app-picker__name {
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.3;
  display: block;
}

.app-picker__tagline {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.35;
  display: block;
  margin-top: 0.15rem;
}

.app-detail {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-md);
  min-height: 200px;
}

@media (min-width: 768px) {
  .app-detail {
    padding: var(--space-lg);
  }
}

.app-detail[hidden] {
  display: none;
}

.app-detail__hero {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: flex-start;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.app-detail__icon {
  width: 80px;
  height: 80px;
  border-radius: 18px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.app-detail h2 {
  margin: 0 0 var(--space-xs);
  font-size: clamp(1.375rem, 3vw, 1.75rem);
}

.app-detail .lead {
  margin: 0;
}

.app-detail section:first-of-type h3,
.app-detail > section > h3 {
  margin-top: var(--space-md);
}

/* Tarjetas legacy (por si se usan en otras páginas) */
.app-card {
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.app-card__header {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: flex-start;
}

.app-card__icon {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.app-hero {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: flex-start;
  margin-bottom: var(--space-md);
}

.app-hero__icon {
  width: 80px;
  height: 80px;
  border-radius: 18px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.app-hero h1 {
  margin-bottom: var(--space-xs);
}

.app-meta {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.notice-block {
  padding: var(--space-md);
  background: var(--color-accent-soft);
  border: none;
  border-radius: var(--radius);
  margin: var(--space-md) 0;
}

.notice-block h2,
.notice-block h3 {
  margin-top: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.carousel-hint {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.carousel {
  width: 100%;
  margin: var(--space-md) 0 var(--space-lg);
  padding: var(--space-sm) 0;
}

.carousel:focus {
  outline: none;
}

.carousel:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.carousel__viewport {
  width: 100%;
  overflow: hidden;
  isolation: isolate;
  container-type: inline-size;
  touch-action: pan-y pinch-zoom;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}

.carousel__track--dragging,
.carousel__viewport:active {
  cursor: grabbing;
}

.carousel__track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100cqw;
  width: max-content;
  transition: transform 0.35s ease;
}

@supports not (width: 1cqw) {
  .carousel__track {
    grid-auto-columns: 100%;
  }
}

.carousel__track--dragging {
  transition: none;
}

.carousel__slide,
.carousel__item {
  margin: 0;
  padding: 0;
  min-width: 0;
  overflow: hidden;
}

.carousel__slide img,
.carousel__item img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
  aspect-ratio: 9 / 16;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  background: var(--color-border);
  pointer-events: none;
  -webkit-user-drag: none;
}

.carousel__slide img[data-src]:not([src]),
.carousel__item img[data-src]:not([src]) {
  min-height: 12rem;
}

.carousel__chrome {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

.carousel--single .carousel__chrome {
  display: none;
}

.carousel__btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.carousel__btn:hover:not(:disabled) {
  background: var(--color-accent-soft);
  border-color: var(--color-accent-muted);
  color: var(--color-accent);
}

.carousel__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.carousel__btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.carousel__dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  max-width: 12rem;
}

.carousel__dot {
  width: 0.5rem;
  height: 0.5rem;
  padding: 0;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--color-border);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.carousel__dot:hover {
  background: var(--color-accent-muted);
}

.carousel__dot[aria-selected="true"] {
  background: var(--color-accent);
  transform: scale(1.25);
}

.carousel__dot:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .carousel__track {
    transition: none;
  }
}

.screenshots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.screenshots figure {
  margin: 0;
}

.screenshots figcaption {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.screenshots img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

/* —— Documentos legales (texto plano) —— */
.legal-doc {
  max-width: 42rem;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.legal-doc h1 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-xs);
}

.legal-doc h2 {
  font-size: 1rem;
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.legal-doc h2:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: var(--space-md);
}

.legal-doc p,
.legal-doc li {
  color: var(--color-text);
}

.legal-doc ul {
  margin: 0 0 var(--space-sm);
  padding-left: 1.25rem;
}

.legal-doc li {
  margin-bottom: 0.35rem;
}

.legal-doc a {
  color: var(--color-accent);
  text-decoration: underline;
}

.legal-doc .updated,
.legal-doc .legal-meta {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.legal-doc .legal-meta p {
  margin: 0.2rem 0;
}

.legal-doc strong {
  font-weight: 600;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 500;
  text-decoration: none;
  margin-top: var(--space-lg);
  color: var(--color-text-muted);
}

.back-link:hover {
  color: var(--color-accent);
}

/* —— Footer —— */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-top: auto;
}

.site-footer p {
  margin: 0 0 var(--space-xs);
}

.site-footer a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-accent);
}

@media (min-width: 600px) {
  .site-header__inner,
  .site-footer__inner {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }

  .page-wrap {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }
}