/*
  Hoja de estilos única de la landing (sin frameworks, sin build).
  Sistema de diseño: ver DESIGN.md (vinculante).
  Paleta "Forest": verde bosque como único acento sobre hueso cálido; texto casi-negro verdoso.
  Tipografía auto-alojada (fonts/): Bricolage Grotesque (display) + Instrument Sans (cuerpo).
  Cero peticiones de red externas: fuentes locales, texturas como SVG data-URI.
*/

/* --- Fuentes auto-alojadas (OFL) --- */

@font-face {
  font-family: "Bricolage Grotesque";
  src: url("../fonts/bricolage-grotesque-var.woff2") format("woff2");
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("../fonts/instrument-sans-var.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("../fonts/instrument-sans-italic-var.woff2") format("woff2");
  font-weight: 400 700;
  font-style: italic;
  font-display: swap;
}

/* --- Tokens --- */

:root {
  --paper: #f7f5f0;
  --paper-deep: #efece4;
  --ink: #1b231e;
  --ink-soft: #4c5850;
  --line: #ddd8cc;
  --green: #1e5b41;
  --green-deep: #153f2e;
  --forest: #122419;
  --bone: #e8ede7;
  --bone-soft: #a9bcae;
  --amber: #7d5019;
  --amber-bg: #f5ead6;
  --amber-line: #d9bd8c;

  --font-display: "Bricolage Grotesque", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif;
  --font-body: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;

  /* Escala de radios única: píldora interactiva / superficie / chip */
  --r-pill: 999px;
  --r-surface: 14px;
  --r-chip: 8px;

  --max-width: 1160px;
  --shadow-green: 0 10px 30px rgba(18, 36, 25, 0.1), 0 2px 6px rgba(18, 36, 25, 0.06);

  /* Grano: feTurbulence inline, sin peticiones externas */
  --noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  /* Motivo de marca: nodos de workflow conectados, trazo fino verde */
  --nodes: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cg fill='none' stroke='%231e5b41' stroke-width='1' opacity='0.55'%3E%3Ccircle cx='22' cy='26' r='3.5'/%3E%3Ccircle cx='96' cy='58' r='3.5'/%3E%3Ccircle cx='40' cy='112' r='3.5'/%3E%3Ccircle cx='124' cy='118' r='2'/%3E%3Ccircle cx='118' cy='14' r='2'/%3E%3Cpath d='M25.5 28.5 92.5 55.5M93 61 43.5 109.5M99.5 59.5 122 116M98 54.5 116.5 17.5'/%3E%3C/g%3E%3C/svg%3E");
}

/* --- Base --- */

* {
  box-sizing: border-box;
}

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

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
  color: var(--ink);
}

p {
  margin: 0 0 1em;
}

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

a:hover {
  color: var(--green-deep);
}

/* Foco visible en claro y oscuro */
:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 3px;
}

.final-block :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--bone);
}

/* Salto al contenido (primer elemento del body) */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 20px;
  border-radius: 0 0 var(--r-chip) 0;
  text-decoration: none;
}

.skip-link:focus {
  left: 0;
  color: var(--paper);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

@media (prefers-reduced-motion: no-preference) {
  a,
  .btn,
  .catalog-index a,
  .main-nav a {
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease,
      transform 0.15s ease;
  }

  .btn:active {
    transform: translateY(1px);
  }
}

/* --- Cabecera --- */

.site-header {
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}

@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .site-header {
    background: var(--paper);
  }
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover {
  color: var(--green-deep);
}

.brand-mark {
  width: 28px;
  height: 28px;
  flex: none;
  color: var(--green);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--ink-soft);
  font-size: 0.98rem;
  font-weight: 500;
  text-decoration: none;
}

.main-nav a:hover {
  color: var(--ink);
}

.main-nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--green);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

/* --- Botones --- */

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
}

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

.btn-accent:hover {
  background: var(--green-deep);
  color: #fff;
}

/* Botón principal sobre el bloque forest: hueso sobre oscuro */
.btn-paper {
  background: var(--paper);
  color: var(--forest);
}

.btn-paper:hover {
  background: #ffffff;
  color: var(--forest);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.92rem;
}

/* Enlace-flecha: CTA secundario sin caja */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1.5px solid var(--green);
  padding-bottom: 2px;
}

.arrow-link::after {
  content: "\2192";
  font-family: var(--font-body);
}

.arrow-link:hover {
  color: var(--green-deep);
  border-color: var(--green-deep);
}

@media (max-width: 640px) {
  .btn-sm {
    padding: 12px 22px;
  }
}

/* --- Hero (asimétrico, type-first) --- */

.hero {
  position: relative;
  padding: 84px 0 96px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--noise);
  opacity: 0.05;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -80px;
  width: 560px;
  height: 560px;
  background: radial-gradient(closest-side, rgba(30, 91, 65, 0.12), transparent 70%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: 48px;
  align-items: start;
}

.hero-kicker {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--green);
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(2.4rem, 4.6vw, 3.4rem);
  font-weight: 700;
  line-height: 1.05;
  margin: 0 0 20px;
}

.hero .lead {
  font-size: 1.18rem;
  color: var(--ink-soft);
  max-width: 34em;
  margin: 0 0 32px;
}

.hero-actions {
  display: flex;
  gap: 22px;
  align-items: center;
  flex-wrap: wrap;
}

/* Diagrama de flujo del hero: representa lo que se vende */
.hero-diagram {
  justify-self: end;
  width: min(100%, 380px);
  margin-top: 34px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--r-surface);
  box-shadow: var(--shadow-green);
  padding: 26px 26px 20px;
  position: relative;
}

.hero-diagram::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--r-surface);
  background-image: var(--nodes);
  background-size: 140px;
  opacity: 0.08;
  pointer-events: none;
}

.hero-diagram figcaption {
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-top: 14px;
}

.flow {
  display: grid;
  gap: 0;
}

.flow-node {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 0;
}

.flow-node + .flow-node {
  border-top: 1px dashed var(--line);
}

.flow-node .dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--green);
  align-self: center;
}

.flow-node.is-live .dot {
  background: var(--green);
}

.flow-node strong {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
}

.flow-node span {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* Variante compacta (páginas interiores): una sola columna, titular contenido */
.hero.compact .container {
  grid-template-columns: 1fr;
}

.hero.compact h1 {
  max-width: 24ch;
}

.hero.compact .lead {
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-diagram {
    justify-self: start;
    margin-top: 0;
  }
}

/* --- Secciones genéricas --- */

section {
  padding: 84px 0;
}

section.compact {
  padding: 56px 0;
}

.section-heading {
  max-width: 720px;
  margin: 0 0 52px;
}

.section-heading h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  font-weight: 700;
  margin: 0 0 12px;
}

.section-heading p {
  color: var(--ink-soft);
  font-size: 1.08rem;
  max-width: 56ch;
  margin: 0;
}

/* --- Pasos «cómo funciona»: lista editorial numerada, sin tarjetas --- */

.steps {
  border-top: 1px solid var(--line);
}

.step {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 28px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.step-number {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1.22rem;
  font-weight: 650;
}

.step p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 62ch;
}

@media (max-width: 640px) {
  .step {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 18px;
  }
}

/* --- Garantías: split asimétrico sobre superficie tintada --- */

.guarantees {
  background: var(--paper-deep);
}

.guarantees .container {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 56px;
  align-items: start;
}

.guarantees .section-heading {
  margin-bottom: 0;
}

.guarantee-list {
  display: grid;
}

.guarantee {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.guarantee:last-child {
  border-bottom: 1px solid var(--line);
}

.guarantee h3 {
  margin: 0 0 6px;
  font-size: 1.15rem;
  font-weight: 650;
}

.guarantee p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 58ch;
}

@media (max-width: 900px) {
  .guarantees .container {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* --- Manifiesto de honestidad («Empezamos ahora») --- */

.manifesto {
  position: relative;
  overflow: hidden;
}

.manifesto::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--nodes);
  background-size: 140px;
  opacity: 0.06;
  pointer-events: none;
}

.manifesto .container {
  position: relative;
  max-width: 880px;
}

.manifesto h2 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  font-weight: 700;
  margin: 0 0 22px;
}

.manifesto .manifesto-body {
  font-size: 1.12rem;
  color: var(--ink-soft);
  max-width: 60ch;
}

.manifesto .manifesto-offer {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 1.02rem;
  max-width: 60ch;
}

.manifesto .manifesto-offer strong {
  font-family: var(--font-display);
  font-weight: 650;
  display: block;
  margin-bottom: 6px;
}

/* --- Índice del catálogo (lista enlazada 01–08) --- */

.catalog-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.catalog-index li {
  border-bottom: 1px solid var(--line);
}

.catalog-index a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 18px 8px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.08rem;
}

.catalog-index a:hover {
  color: var(--green-deep);
  background: rgba(30, 91, 65, 0.05);
}

.catalog-index .idx {
  font-variant-numeric: tabular-nums;
  color: var(--green);
  font-size: 0.9rem;
  flex: none;
}

.catalog-cta {
  margin-top: 36px;
}

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

/* --- Catálogo completo (servicios.html): filas editoriales 01–08 --- */

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 56px;
  border-top: 1px solid var(--line);
}

.service {
  padding: 34px 0 30px;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  scroll-margin-top: 90px;
}

.service .idx {
  font-family: var(--font-display);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--green);
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.service h3 {
  margin: 0 0 10px;
  font-size: 1.28rem;
  font-weight: 650;
}

.service > p {
  margin: 0 0 14px;
  color: var(--ink-soft);
  max-width: 60ch;
}

.service .para-quien {
  font-size: 0.92rem;
  color: var(--ink);
  background: var(--paper-deep);
  border-radius: var(--r-chip);
  padding: 10px 14px;
  margin: 0 0 18px;
}

.service .para-quien strong {
  font-weight: 650;
}

.service-footer {
  margin-top: auto;
}

/* «Otra necesidad»: deliberadamente distinta del resto del catálogo */
.service.service-custom {
  grid-column: 1 / -1;
  border: 1.5px dashed var(--green);
  border-radius: var(--r-surface);
  padding: 30px 30px 26px;
  margin-top: 40px;
  background: rgba(30, 91, 65, 0.04);
}

@media (max-width: 820px) {
  .service-grid {
    grid-template-columns: 1fr;
  }

  .service.service-custom {
    padding: 24px 20px;
  }
}

/* --- Bloque final: color block forest (única inversión de tema, al cierre) --- */

.final-block {
  background: var(--forest);
  color: var(--bone);
  position: relative;
  overflow: hidden;
  padding: 96px 0;
}

.final-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--noise);
  opacity: 0.07;
  pointer-events: none;
}

.final-block::after {
  content: "";
  position: absolute;
  bottom: -160px;
  left: -120px;
  width: 620px;
  height: 620px;
  background: radial-gradient(closest-side, rgba(30, 91, 65, 0.5), transparent 72%);
  pointer-events: none;
}

.final-block .container {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.final-block h2 {
  color: #ffffff;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 14px;
}

.final-block p {
  color: var(--bone-soft);
  font-size: 1.1rem;
  margin: 0 0 30px;
  max-width: 56ch;
}

/* --- Pie de página (continúa el bloque forest) --- */

.site-footer {
  background: var(--forest);
  color: var(--bone-soft);
  padding: 48px 0 28px;
  font-size: 0.94rem;
  border-top: 1px solid rgba(232, 237, 231, 0.14);
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 28px;
}

.footer-about {
  max-width: 320px;
  color: var(--bone-soft);
}

.footer-col h4 {
  font-family: var(--font-display);
  color: var(--bone);
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 650;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-col a {
  color: var(--bone-soft);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--bone);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(232, 237, 231, 0.14);
  margin-top: 34px;
  padding-top: 18px;
  text-align: center;
  font-size: 0.84rem;
  color: var(--bone-soft);
}

/* --- Páginas legales --- */

.legal {
  padding: 64px 0 88px;
}

.legal .container {
  max-width: 780px;
}

.legal h1 {
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  margin: 0 0 8px;
}

.legal .updated {
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin-bottom: 40px;
}

.legal h2 {
  font-size: 1.3rem;
  margin-top: 44px;
}

.legal h3 {
  font-size: 1.06rem;
  margin-top: 26px;
}

.legal p,
.legal li {
  color: var(--ink);
  max-width: 65ch;
}

.legal ul {
  padding-left: 22px;
}

.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.94rem;
}

.legal th,
.legal td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}

.legal th {
  background: var(--paper-deep);
  font-family: var(--font-display);
  font-weight: 650;
}

code.placeholder {
  background: var(--amber-bg);
  border: 1px solid var(--amber-line);
  color: var(--amber);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.92em;
}

/* --- Página 404 --- */

.error-page {
  padding: 110px 0 130px;
}

.error-page .container {
  max-width: 720px;
}

.error-code {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(4rem, 12vw, 7rem);
  line-height: 1;
  color: var(--green);
  margin: 0 0 10px;
}

.error-page h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin: 0 0 14px;
}

.error-page p {
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0 0 30px;
}

/* --- Utilidades --- */

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

@media (max-width: 640px) {
  section {
    padding: 60px 0;
  }

  .service {
    scroll-margin-top: 160px;
  }

  .hero {
    padding: 56px 0 68px;
  }

  .final-block {
    padding: 72px 0;
  }

  .main-nav {
    gap: 16px;
  }
}