/* =========================================================
   Amoxcalli · Portafolio — sistema "blueprint" (DESIGN.md)
   Única fuente de estilo para index, arquitectura y cv.
   ========================================================= */

:root {
  /* Colores */
  --color-void: #000000;
  --color-carbon: #1c1c1c;
  --color-graphite: #4d4d4d;
  --color-steel: #808080;
  --color-ash: #ababab;
  --color-paper: #ffffff;
  --color-periwinkle-annotation: #7089ba;

  /* Familias (Raveo → Inter como sustituto con eje de peso) */
  --font-display: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Escala tipográfica */
  --text-micro: 9px;
  --text-caption: 12px;
  --text-body-sm: 14px;
  --text-body: 16px;
  --text-subheading: 24px;
  --text-heading: 32px;
  --text-display: 70px;

  --leading-caption: 1.2;
  --leading-body: 1.6;
  --leading-subheading: 1.4;
  --leading-heading: 1.2;
  --leading-display: 1.1;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-max: 900;

  /* Espaciado */
  --spacing-4: 4px;
  --spacing-6: 6px;
  --spacing-8: 8px;
  --spacing-10: 10px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-18: 18px;
  --spacing-24: 24px;
  --spacing-34: 34px;
  --spacing-44: 44px;
  --spacing-50: 50px;
  --spacing-100: 100px;

  /* Layout */
  --page-max-width: 1200px;
  --section-gap: 80px;
  --card-padding: 24px;
  --element-gap: 10px;
  --gutter: 24px;

  /* Radios */
  --radius-nav: 6px;
  --radius-pill: 100px;
  --radius-tile: 20px;
  --radius-icon: 50px;

  color-scheme: dark;
}

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

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

body {
  margin: 0;
  background: var(--color-void);
  color: var(--color-paper);
  font-family: var(--font-display);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: -0.01em;
  font-feature-settings: 'tnum' 1, 'ss01' 1;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

p {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: var(--font-weight-max);
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 1px dashed var(--color-paper);
  outline-offset: 4px;
  border-radius: var(--radius-nav);
}

.skip-link {
  position: absolute;
  left: var(--spacing-16);
  top: -100px;
  padding: var(--spacing-8) var(--spacing-18);
  border: 1px solid var(--color-paper);
  border-radius: var(--radius-pill);
  background: var(--color-void);
  font-size: var(--text-body-sm);
  z-index: 100;
}

.skip-link:focus {
  top: var(--spacing-16);
}

.container {
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- Tipografía ---------- */
.display {
  font-size: clamp(40px, 7vw, var(--text-display));
  line-height: var(--leading-display);
  letter-spacing: -0.04em;
  font-weight: var(--font-weight-max);
}

.heading {
  font-size: var(--text-heading);
  line-height: var(--leading-heading);
  letter-spacing: -0.02em;
  font-weight: var(--font-weight-max);
}

.subheading {
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  letter-spacing: -0.01em;
  font-weight: var(--font-weight-medium);
}

.lead {
  font-size: var(--text-body);
  color: var(--color-steel);
  max-width: 560px;
}

.body {
  color: var(--color-ash);
}

.body-sm {
  font-size: var(--text-body-sm);
  color: var(--color-steel);
}

.label {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-steel);
}

.mono {
  font-family: var(--font-mono);
}

/* ---------- Componentes: acciones ---------- */
.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  padding: var(--spacing-8) var(--spacing-18);
  border: 1px solid var(--color-paper);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-paper);
  font-family: inherit;
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1.6;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.btn-pill:hover {
  background: var(--color-paper);
  color: var(--color-void);
}

.btn-pill svg {
  width: 14px;
  height: 14px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  padding: var(--spacing-8) var(--spacing-12);
  border: 0;
  background: none;
  color: var(--color-paper);
  font-family: inherit;
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: color 0.2s ease;
}

.btn-ghost:hover {
  color: var(--color-ash);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-12);
}

/* ---------- Componentes: chips ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  padding: var(--spacing-4) var(--spacing-12);
  border: 1px dashed var(--color-paper);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-paper);
}

.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-periwinkle-annotation);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-8);
}

.tag {
  display: inline-block;
  padding: var(--spacing-4) var(--spacing-12);
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.02em;
  color: var(--color-ash);
}

/* ---------- Navegación ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.nav.is-scrolled,
.nav.is-open {
  background: var(--color-void);
  border-bottom-color: var(--color-carbon);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-24);
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-10);
  font-size: var(--text-body);
  font-weight: var(--font-weight-medium);
  letter-spacing: -0.01em;
}

.brand svg {
  width: 24px;
  height: 24px;
}

.nav__links {
  display: flex;
  gap: var(--spacing-24);
}

.nav__links a {
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-steel);
  transition: color 0.2s ease;
}

.nav__links a:hover,
.nav__links a[aria-current='page'] {
  color: var(--color-paper);
}

.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--color-graphite);
  border-radius: var(--radius-nav);
  background: none;
  color: var(--color-paper);
  cursor: pointer;
}

.nav__toggle svg {
  width: 18px;
  height: 18px;
}

/* ---------- Menú de secciones ("En esta página") ---------- */
.subnav {
  position: sticky;
  top: 64px;
  z-index: 40;
  background: rgba(0, 0, 0, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-carbon);
}

.subnav__inner {
  display: flex;
  align-items: center;
  gap: var(--spacing-18);
  height: 48px;
}

.subnav__label {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-steel);
}

.subnav__list {
  position: relative;
  display: flex;
  gap: var(--spacing-4);
  overflow-x: auto;
  scrollbar-width: none;
}

/* Desvanecido solo del lado donde hay enlaces escondidos (JS pone las clases) */
.subnav__list.fade-end {
  -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 48px), transparent);
  mask-image: linear-gradient(to right, #000 calc(100% - 48px), transparent);
}

.subnav__list.fade-start {
  -webkit-mask-image: linear-gradient(to right, transparent, #000 48px);
  mask-image: linear-gradient(to right, transparent, #000 48px);
}

.subnav__list.fade-start.fade-end {
  -webkit-mask-image: linear-gradient(to right, transparent, #000 48px, #000 calc(100% - 48px), transparent);
  mask-image: linear-gradient(to right, transparent, #000 48px, #000 calc(100% - 48px), transparent);
}

.subnav__list::-webkit-scrollbar {
  display: none;
}

/* Pastilla que se desliza hasta el enlace activo (JS escribe --ind-x, --ind-w, --ind-accent) */
.subnav__list::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: var(--ind-w, 0);
  height: 30px;
  border: 1px solid color-mix(in srgb, var(--ind-accent, var(--brand-400)) 45%, transparent);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--ind-accent, var(--brand-400)) 16%, transparent);
  box-shadow: 0 0 18px -6px var(--ind-accent, var(--brand-400));
  transform: translate(var(--ind-x, 0), -50%);
  opacity: 0;
  pointer-events: none;
  transition:
    transform 0.35s var(--ease-out),
    width 0.35s var(--ease-out),
    background-color 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease,
    opacity 0.2s ease;
}

.subnav__list.has-active::before {
  opacity: 1;
}

.subnav__list a {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--spacing-6);
  height: 30px;
  padding: 0 var(--spacing-12);
  border-radius: var(--radius-pill);
  font-size: var(--text-body-sm);
  color: var(--color-steel);
  white-space: nowrap;
  transition: color 0.2s ease;
}

.subnav__num {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.08em;
  color: var(--color-graphite);
  transition: color 0.2s ease;
}

.subnav__list a:hover {
  color: var(--color-paper);
}

.subnav__list a.is-active {
  color: var(--color-paper);
}

.subnav__list a.is-active .subnav__num {
  color: var(--ind-accent, var(--brand-400));
}

/* Avance dentro de la sección activa (JS escribe --section-p de 0 a 1) */
.subnav::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--ind-accent, var(--brand-400)), transparent);
  transform: scaleX(var(--section-p, 0));
  transform-origin: 0 50%;
  pointer-events: none;
}

/* Las secciones quedan debajo del nav + subnav al saltar a ellas */
main section[id] {
  scroll-margin-top: 128px;
}

/* ---------- Secciones ---------- */
main {
  display: flex;
  flex-direction: column;
  gap: var(--section-gap);
  padding-bottom: var(--section-gap);
}

/* .container resetea el padding vertical: aire entre hero/subnav y contenido */
.hero + main,
.subnav + main {
  padding-top: var(--section-gap);
}

.section {
  border: 1px dashed var(--color-graphite);
  border-radius: var(--radius-nav);
  padding: var(--spacing-50) var(--spacing-44);
}

.section--carbon {
  background: var(--color-carbon);
  border-color: var(--color-void);
  outline: 1px dashed var(--color-graphite);
  outline-offset: 6px;
}

.section__head {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-44);
  max-width: 720px;
}

.section__head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  align-items: center;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  border-bottom: 1px dashed var(--color-carbon);
  background: radial-gradient(ellipse 60% 70% at 50% 40%, var(--color-carbon) 0%, var(--color-void) 100%);
  padding: var(--spacing-100) 0;
  overflow: hidden;
}

.hero::before {
  /* retícula de dibujo técnico */
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 45%, #000 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 45%, #000 0%, transparent 80%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-24);
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.hero__inner .lead {
  margin: 0 auto;
}

.hero__inner .tag-list {
  justify-content: center;
}

.hero--left .hero__inner {
  align-items: flex-start;
  text-align: left;
  max-width: var(--page-max-width);
  margin: 0 auto;
}

.hero--left .hero__inner .lead {
  margin: 0;
}

.hero--left .hero__inner .tag-list {
  justify-content: flex-start;
}

/* ---------- Step cards ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-24);
}

.step {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-10);
}

.step__num {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.18em;
  color: var(--color-steel);
}

.icon-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-icon);
  background: var(--color-carbon);
  color: var(--color-periwinkle-annotation);
}

.icon-box svg {
  width: 20px;
  height: 20px;
}

.step__title {
  font-size: var(--text-body);
  font-weight: var(--font-weight-medium);
}

/* ---------- Feature split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-50);
  align-items: center;
}

.split--reverse .split__media {
  order: -1;
}

.split__text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
}

.illustration {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-tile);
  background: var(--color-carbon);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-34);
}

.illustration svg {
  width: 100%;
  height: 100%;
}

/* ---------- Checklist ---------- */
.check-list {
  display: flex;
  flex-direction: column;
  gap: var(--element-gap);
  margin-top: var(--spacing-6);
}

.check-list li {
  position: relative;
  padding-left: 26px;
  font-size: var(--text-body-sm);
  color: var(--color-paper);
}

.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  background: var(--color-periwinkle-annotation);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 8.5l3 3 7-7'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 8.5l3 3 7-7'/%3E%3C/svg%3E") center / contain no-repeat;
}

.check-list code,
.body code,
.body-sm code {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-paper);
}

/* ---------- Grid de tarjetas (arquitectura) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-24);
}

.card-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-10);
  padding: var(--card-padding);
  border: 1px dashed var(--color-graphite);
  border-radius: var(--radius-tile);
}

.card__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-10);
  font-size: var(--text-body);
  font-weight: var(--font-weight-medium);
}

.card__title svg {
  width: 18px;
  height: 18px;
  color: var(--color-periwinkle-annotation);
  flex: none;
}

/* ---------- Diagrama ---------- */
.diagram {
  border-radius: var(--radius-tile);
  background: var(--color-carbon);
  padding: var(--spacing-34);
  overflow-x: auto;
}

.diagram svg {
  width: 100%;
  min-width: 560px;
  height: auto;
}

/* ---------- Banda CTA ---------- */
.cta-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-24);
}

.cta-band__text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-10);
  max-width: 620px;
}

/* ---------- CV ---------- */
.cv-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-24);
  align-items: end;
}

.contact-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-8) var(--spacing-24);
  font-size: var(--text-body-sm);
  color: var(--color-ash);
}

.contact-list a {
  border-bottom: 1px dashed var(--color-graphite);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.contact-list a:hover {
  color: var(--color-paper);
  border-color: var(--color-paper);
}

.timeline {
  display: flex;
  flex-direction: column;
}

.timeline__item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--spacing-24);
  padding: var(--spacing-24) 0;
  border-top: 1px dashed var(--color-graphite);
}

.timeline__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.timeline__meta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.timeline__body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-10);
}

.timeline__role {
  font-size: var(--text-body);
  font-weight: var(--font-weight-medium);
}

.timeline__org {
  font-size: var(--text-body-sm);
  color: var(--color-ash);
}

.skills {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-34) var(--spacing-24);
}

.skills__group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
}

.note {
  padding: var(--spacing-12) var(--spacing-16);
  border: 1px dashed var(--color-periwinkle-annotation);
  border-radius: var(--radius-nav);
  font-size: var(--text-body-sm);
  color: var(--color-ash);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px dashed var(--color-carbon);
  padding: var(--spacing-34) 0;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--spacing-16);
  font-size: var(--text-caption);
  color: var(--color-steel);
}

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

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .card-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --gutter: 16px;
    --section-gap: 50px;
  }

  .nav__toggle {
    display: inline-flex;
  }

  .subnav__label {
    display: none;
  }

  .subnav__inner {
    padding-right: 0;
  }

  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav.is-open .nav__inner {
    flex-wrap: wrap;
    height: auto;
    padding: var(--spacing-12) 0 var(--spacing-24);
  }

  .nav.is-open .nav__links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-16);
    width: 100%;
    order: 3;
    padding-top: var(--spacing-16);
    border-top: 1px dashed var(--color-carbon);
  }

  .nav.is-open .nav__cta {
    display: inline-flex;
    order: 4;
  }

  .hero {
    padding: var(--spacing-50) 0;
  }

  .section {
    padding: var(--spacing-34) var(--spacing-18);
  }

  .steps,
  .split,
  .card-grid,
  .card-grid--3,
  .skills,
  .cv-header {
    grid-template-columns: 1fr;
  }

  .split--reverse .split__media {
    order: 0;
  }

  .illustration {
    max-width: 360px;
    width: 100%;
  }

  .timeline__item {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }

  .heading {
    font-size: var(--text-subheading);
  }
}

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

  * {
    transition: none !important;
  }
}

/* ---------- Impresión (CV) ---------- */
@media print {
  :root {
    color-scheme: light;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }

  .nav,
  .subnav,
  .footer,
  .no-print,
  .skip-link {
    display: none !important;
  }

  .hero {
    background: none;
    border: 0;
    padding: 0 0 12pt;
  }

  .hero::before {
    display: none;
  }

  main {
    gap: 14pt;
  }

  .section,
  .section--carbon {
    background: none;
    border: 0;
    outline: 0;
    padding: 0;
  }

  .section__head {
    margin-bottom: 8pt;
  }

  .display {
    font-size: 26pt;
  }

  .heading {
    font-size: 14pt;
  }

  .lead,
  .body,
  .body-sm,
  .label,
  .contact-list,
  .timeline__org,
  .check-list li,
  .tag {
    color: #000;
  }

  .tag {
    border-color: #999;
  }

  .timeline__item {
    padding: 8pt 0;
    border-color: #bbb;
    break-inside: avoid;
  }

  .note {
    display: none;
  }

  a {
    text-decoration: none;
  }
}

/* =========================================================
   Capa de color y capturas (index, arquitectura y cv)
   La base "blueprint" sigue igual; esta capa suma la paleta de la
   propia app (azul de marca + estados de asistencia) y marcos para
   las capturas reales. Las tres páginas la comparten.
   ========================================================= */
:root {
  --brand-400: #7b93ff;
  --brand-500: #5b7cfa;
  --brand-600: #4361ee;
  --violet-500: #8b5cf6;
  --teal-400: #2dd4bf;
  --ink-900: #0b0d17;
  --ink-800: #121527;
  --grad-brand: linear-gradient(120deg, #7b93ff 0%, #a78bfa 45%, #2dd4bf 100%);
  --grad-band: linear-gradient(135deg, #1d2a6b 0%, #3b2a7a 50%, #0f4c55 100%);
  --accent: var(--brand-400);
}

/* Acento por sección */
.accent--blue { --accent: #7b93ff; }
.accent--violet { --accent: #a78bfa; }
.accent--teal { --accent: #2dd4bf; }
.accent--amber { --accent: #fbbf24; }
.accent--rose { --accent: #fb7185; }
.accent--green { --accent: #4ade80; }

.eyebrow__dot {
  background: var(--grad-brand);
  box-shadow: 0 0 10px rgba(123, 147, 255, 0.8);
}

.check-list li::before {
  background: var(--accent, var(--color-periwinkle-annotation));
}

.label--accent {
  color: var(--accent);
}

.text-gradient {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn-pill--solid {
  border-color: transparent;
  background: linear-gradient(120deg, var(--brand-500), var(--violet-500));
  box-shadow: 0 10px 30px -10px rgba(91, 124, 250, 0.8);
}

.btn-pill--solid:hover {
  background: linear-gradient(120deg, var(--brand-400), #a78bfa);
  color: var(--color-paper);
}

/* ---------- Hero con color ---------- */
.hero--color {
  background:
    radial-gradient(40% 50% at 18% 20%, rgba(91, 124, 250, 0.35) 0%, transparent 70%),
    radial-gradient(35% 45% at 85% 15%, rgba(139, 92, 246, 0.3) 0%, transparent 70%),
    radial-gradient(45% 50% at 70% 95%, rgba(45, 212, 191, 0.18) 0%, transparent 70%),
    var(--color-void);
  padding-bottom: var(--spacing-50);
}

.hero__stage {
  position: relative;
  width: 100%;
  max-width: 1040px;
  margin: var(--spacing-50) auto 0;
  padding: 0 var(--gutter) var(--spacing-34);
}

/* ---------- Marcos para capturas ---------- */
figure.shot,
figure.phone {
  margin: 0;
}

.shot--narrow {
  max-width: 400px;
  margin-inline: auto;
}

.shot {
  position: relative;
  border-radius: 14px;
  background: var(--ink-800);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  box-shadow: 0 40px 90px -30px rgba(91, 124, 250, 0.55), 0 0 0 1px rgba(123, 147, 255, 0.08);
}

.shot__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 12px;
  background: #1a1d33;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.shot__bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.shot__bar span:nth-child(1) { background: #f87171; }
.shot__bar span:nth-child(2) { background: #fbbf24; }
.shot__bar span:nth-child(3) { background: #4ade80; }

.shot__url {
  margin-left: 10px;
  padding: 2px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-ash);
}

.shot img {
  width: 100%;
  height: auto;
}

.shot--glow-violet { box-shadow: 0 40px 90px -30px rgba(139, 92, 246, 0.55), 0 0 0 1px rgba(167, 139, 250, 0.1); }
.shot--glow-teal { box-shadow: 0 40px 90px -30px rgba(45, 212, 191, 0.45), 0 0 0 1px rgba(45, 212, 191, 0.1); }
.shot--glow-amber { box-shadow: 0 40px 90px -30px rgba(251, 191, 36, 0.4), 0 0 0 1px rgba(251, 191, 36, 0.1); }

.phone {
  width: 220px;
  padding: 8px;
  border-radius: 34px;
  background: #0c0e19;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 30px 70px -20px rgba(0, 0, 0, 0.9), 0 0 50px -10px rgba(45, 212, 191, 0.45);
}

.phone img {
  width: 100%;
  height: auto;
  border-radius: 26px;
}

.hero__stage .phone {
  position: absolute;
  right: 0;
  bottom: -10px;
  width: 200px;
  transform: rotate(3deg);
}

/* ---------- Estados de asistencia (paleta de la app) ---------- */
.status-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-10);
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 6px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--text-body-sm);
  color: var(--color-paper);
}

.status-chip b {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 7px;
  font-size: 12px;
  color: #fff;
}

.status-chip--p b { background: #4361ee; }
.status-chip--a b { background: #ef4444; }
.status-chip--r b { background: #d97706; }
.status-chip--j b { background: #7c5cf0; }

/* ---------- Pasos con captura ---------- */
.steps--shots .step {
  gap: var(--spacing-12);
  padding: var(--spacing-18);
  border-radius: var(--radius-tile);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-top: 2px solid var(--accent);
}

.steps--shots .icon-box {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent);
}

.steps--shots .step__num {
  color: var(--accent);
}

.step__shot {
  margin-top: auto;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  aspect-ratio: 860 / 560;
  background: #f8fafc;
}

.step__shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

/* ---------- Secciones con captura ---------- */
.split--shot { grid-template-columns: 0.9fr 1.1fr; }
.split--shot.split--reverse { grid-template-columns: 1.1fr 0.9fr; }

.section--tint {
  border: 1px solid rgba(255, 255, 255, 0.06);
  background:
    radial-gradient(60% 80% at 100% 0%, color-mix(in srgb, var(--accent) 14%, transparent) 0%, transparent 70%),
    var(--ink-900);
}

.split--reverse.section--tint {
  background:
    radial-gradient(60% 80% at 0% 0%, color-mix(in srgb, var(--accent) 14%, transparent) 0%, transparent 70%),
    var(--ink-900);
}

.split__media .caption {
  margin-top: var(--spacing-12);
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-steel);
  text-align: center;
}

.illustration--accent {
  background: color-mix(in srgb, var(--accent) 10%, var(--color-carbon));
}

/* ---------- Banda móvil ---------- */
.band-mobile {
  position: relative;
  overflow: hidden;
  border: 0;
  outline: 0;
  background: var(--grad-band);
}

.band-mobile .cta-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--spacing-44);
}

.band-mobile .cta-band__text .tag-list {
  margin-top: var(--spacing-10);
}

.band-mobile .tag {
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--color-paper);
  background: rgba(255, 255, 255, 0.08);
}

.band-mobile .body { color: rgba(255, 255, 255, 0.82); }
.band-mobile .label { color: var(--teal-400); }

.phones {
  display: flex;
  gap: var(--spacing-18);
  align-items: flex-end;
}

.phones .phone { width: 190px; }
.phones .phone:first-child { transform: translateY(18px) rotate(-4deg); }
.phones .phone:last-child { transform: rotate(3deg); }

/* ---------- CTA final ---------- */
.section--cta {
  border: 1px solid rgba(255, 255, 255, 0.06);
  background:
    radial-gradient(50% 90% at 50% 0%, rgba(91, 124, 250, 0.28) 0%, transparent 70%),
    var(--ink-900);
}

@media (max-width: 1024px) {
  .hero__stage .phone { width: 150px; }
}

@media (max-width: 768px) {
  .split--shot,
  .split--shot.split--reverse { grid-template-columns: 1fr; }
  .hero__stage { padding: 0 0 var(--spacing-24); }
  .hero__stage .phone { width: 110px; right: -4px; bottom: -14px; padding: 5px; border-radius: 22px; }
  .hero__stage .phone img { border-radius: 17px; }
  .band-mobile .cta-band { grid-template-columns: 1fr; }
  .phones { justify-content: center; width: 100%; }
  .phones .phone { width: 42%; }
  .shot__url { display: none; }
}

/* ---------- Tarjetas con acento ---------- */
.card--accent {
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-top: 2px solid var(--accent);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
}

.card--accent .card__title svg {
  color: var(--accent);
}

/* ---------- Dos capas: frase simple + detalle técnico ---------- */
.card__plain {
  padding-bottom: var(--spacing-12);
  margin-bottom: var(--spacing-4);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
  font-size: var(--text-body-sm);
  color: var(--color-ash);
}

.lead strong,
.body strong,
.check-list strong {
  color: var(--color-paper);
  font-weight: var(--font-weight-medium);
}

/* ---------- Demos y guía (index) ---------- */
.link-accent {
  color: var(--accent);
  border-bottom: 1px dashed currentColor;
}

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

.demo-grid {
  max-width: 880px;
  margin: 0 auto;
}

.demo-card {
  gap: var(--spacing-12);
  padding: var(--spacing-34) var(--card-padding);
}

.demo-card__url {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--accent);
}

.demo-card .actions {
  margin-top: auto;
  padding-top: var(--spacing-8);
}

/* ---------- Tags con acento (hero) ---------- */
.tag-list--accent .tag {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--color-paper);
}

/* ---------- Timeline con acento (cv) ---------- */
.timeline__meta .label {
  color: var(--accent);
}

/* ---------- Diagrama sobre fondo tintado ---------- */
.diagram {
  background:
    radial-gradient(50% 60% at 50% 0%, rgba(91, 124, 250, 0.12) 0%, transparent 70%),
    var(--ink-800);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ---------- Banda de color con grupos de skills ---------- */
.band-mobile .skills .label {
  color: var(--teal-400);
}

/* =========================================================
   Movimiento: hover y scroll
   Sólo transform/opacity para no mover el layout.
   ========================================================= */
:root {
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur-hover: 0.3s;
}

/* Barra de progreso de lectura */
.nav::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: var(--grad-brand);
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: 0 50%;
  pointer-events: none;
}

/* Reveal al hacer scroll (el estado oculto sólo existe con JS) */
.js [data-reveal] {
  opacity: 0;
  translate: 0 24px;
  transition:
    opacity 0.7s var(--ease-out) var(--reveal-delay, 0s),
    translate 0.7s var(--ease-out) var(--reveal-delay, 0s),
    transform var(--dur-hover) var(--ease-out),
    box-shadow var(--dur-hover) ease,
    border-color var(--dur-hover) ease;
}

.js [data-reveal].is-visible {
  opacity: 1;
  translate: 0 0;
}

/* Parallax del hero (JS escribe --hero-p de 0 a 1) */
.hero__stage .shot {
  translate: 0 calc(var(--hero-p, 0) * 40px);
}

.hero__stage .phone {
  translate: 0 calc(var(--hero-p, 0) * -70px);
}

/* Flujo en líneas punteadas */
@keyframes dash-flow {
  to {
    stroke-dashoffset: -16;
  }
}

.diagram.is-flowing .diagram__flow path {
  animation: dash-flow 1.2s linear infinite;
}

/* Transiciones base de elementos con hover */
.shot,
.phone,
.step,
.card--accent,
.tag,
.status-chip,
.illustration svg {
  transition:
    transform var(--dur-hover) var(--ease-out),
    scale var(--dur-hover) var(--ease-out),
    box-shadow var(--dur-hover) ease,
    border-color var(--dur-hover) ease,
    background-color var(--dur-hover) ease;
}

.shot img {
  transition: transform 0.6s var(--ease-out);
}

.btn-pill--solid {
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-hover) var(--ease-out), box-shadow var(--dur-hover) ease;
}

.btn-pill--solid::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.35) 50%, transparent 70%);
  translate: -120% 0;
  pointer-events: none;
}

@media (hover: hover) {
  .steps--shots .step:hover,
  .card--accent:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--accent) 40%, transparent);
    border-top-color: var(--accent);
    box-shadow: 0 24px 50px -28px var(--accent);
  }

  .shot:hover {
    transform: translateY(-6px);
    box-shadow: 0 50px 100px -30px rgba(91, 124, 250, 0.75), 0 0 0 1px rgba(123, 147, 255, 0.2);
  }

  .shot--glow-violet:hover { box-shadow: 0 50px 100px -30px rgba(139, 92, 246, 0.75), 0 0 0 1px rgba(167, 139, 250, 0.2); }
  .shot--glow-teal:hover { box-shadow: 0 50px 100px -30px rgba(45, 212, 191, 0.65), 0 0 0 1px rgba(45, 212, 191, 0.2); }
  .shot--glow-amber:hover { box-shadow: 0 50px 100px -30px rgba(251, 191, 36, 0.6), 0 0 0 1px rgba(251, 191, 36, 0.2); }

  .shot:hover img,
  .step:hover .step__shot img {
    transform: scale(1.03);
  }

  .step__shot img {
    transition: transform 0.6s var(--ease-out);
  }

  .phone:hover {
    scale: 1.04;
  }

  .btn-pill--solid:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 34px -10px rgba(91, 124, 250, 0.95);
  }

  .btn-pill--solid:hover::after {
    translate: 120% 0;
    transition: translate 0.7s var(--ease-out);
  }

  .tag:hover {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    color: var(--color-paper);
  }

  .status-chip:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
  }

  .illustration:hover svg {
    scale: 1.04;
  }

  .illustration:hover [stroke-dasharray] {
    animation: dash-flow 1s linear infinite;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
  }

  .js [data-reveal] {
    opacity: 1;
    translate: none;
  }

  .hero__stage .shot,
  .hero__stage .phone {
    translate: none;
  }
}

/* ---------- Impresión de la capa de color (CV) ---------- */
@media print {
  .hero--color,
  .section--tint,
  .section--cta,
  .band-mobile,
  .card--accent {
    background: none !important;
    border: 0;
    box-shadow: none;
  }

  .text-gradient {
    background: none;
    color: #000;
  }

  .label--accent,
  .timeline__meta .label,
  .band-mobile .label,
  .band-mobile .body,
  .band-mobile .tag {
    color: #000;
  }

  .band-mobile .tag {
    border-color: #999;
    background: none;
  }

  .nav::after {
    display: none;
  }

  [data-reveal] {
    opacity: 1 !important;
    translate: none !important;
  }
}