/* ============================================================
   DATAGROWTH · IA SOFTWARE A MEDIDA — styles.css
   Tokens heredados del design system. Sin frameworks.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink:        #263b4a;
  --ink-soft:   #1d2e3a;
  --lima:       #b5ff82;
  --lav:        #bab8d0;
  --bg:         #ffffff;
  --paper:      #f6f4ee;
  --surface:    #f8fafc;

  --ink-80:  rgba(38,59,74,0.80);
  --ink-70:  rgba(38,59,74,0.70);
  --ink-65:  rgba(38,59,74,0.65);
  --ink-50:  rgba(38,59,74,0.50);
  --ink-40:  rgba(38,59,74,0.40);
  --ink-15:  rgba(38,59,74,0.15);
  --ink-12:  rgba(38,59,74,0.12);
  --ink-06:  rgba(38,59,74,0.06);
  --ink-05:  rgba(38,59,74,0.05);
  --bg-85:   rgba(255,255,255,0.85);
  --bg-70:   rgba(255,255,255,0.70);
  --bg-40:   rgba(255,255,255,0.40);
  --bg-15:   rgba(255,255,255,0.15);
  --bg-10:   rgba(255,255,255,0.10);

  --line:        rgba(38,59,74,0.10);
  --line-strong: rgba(38,59,74,0.20);

  --font: 'DM Sans', ui-sans-serif, system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, monospace;

  --r-md:   12px;
  --r-lg:   16px;
  --r-xl:   24px;
  --r-2xl:  20px;
  --r-3xl:  28px;
  --r-pill: 9999px;

  --ease-out:    ease-out;
  --ease-reveal: cubic-bezier(0.16,1,0.3,1);

  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px;  --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-7: 32px;  --sp-8: 48px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--lima); color: var(--ink); }

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
abbr[title] { text-decoration: none; border-bottom: 1px dotted var(--ink-40); cursor: help; }

.dg-skip {
  position: absolute;
  left: -9999px; top: 0;
  background: var(--ink); color: #fff;
  padding: 12px 16px;
  border-radius: var(--r-pill);
  z-index: 1000;
}
.dg-skip:focus { left: 16px; top: 16px; outline: 2px solid var(--lima); outline-offset: 2px; }

/* ---- LAYOUT ---- */
.dg-container-wide  { max-width: 1280px; margin-inline: auto; padding-inline: 24px; }
.dg-container-prose { max-width: 900px;  margin-inline: auto; padding-inline: 24px; }
.dg-text-center     { text-align: center; }
.dg-landing         { display: block; width: 100%; overflow-x: clip; }

/* ---- EYEBROW ---- */
.dg-eyebrow {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-50);
  display: inline-block;
  margin-bottom: 24px;
}
.dg-eyebrow--dark { color: var(--bg-40); }
.dg-eyebrow--lima { color: var(--lima); }

/* ---- REVEAL LINES (text-stream stand-in) ---- */
.dg-reveal-line  { display: block; overflow: hidden;
  padding-bottom: 0.12em; margin-bottom: -0.12em; }
.dg-reveal-inner {
  display: block;
  transform: translateY(110%);
  transition: transform 1.1s var(--ease-reveal);
  will-change: transform;
}
.dg-reveal-line.is-visible .dg-reveal-inner { transform: translateY(0); }

/* ---- BUTTONS (botón firma compartido) ---- */
.dg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-radius: var(--r-pill);
  padding: 6px 8px 6px 24px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  height: 56px;
  text-decoration: none;
  transition: background 300ms var(--ease-out), border-color 300ms var(--ease-out), transform 300ms var(--ease-out);
  cursor: pointer;
  border: none;
  vertical-align: middle;
}
.dg-btn:active { transform: scale(0.98); }
.dg-btn__label  { padding-left: 4px; }
.dg-btn__circle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--r-pill);
  flex-shrink: 0;
}
.dg-btn__circle svg { width: 14px; height: 14px; transition: transform 300ms var(--ease-out); }
.dg-btn:hover .dg-btn__circle svg { transform: translate(2px, -2px); }
.dg-btn:focus-visible { outline: 2px solid var(--lima); outline-offset: 2px; }
.dg-btn--primary { background: var(--ink); color: #fff; }
.dg-btn--primary:hover { background: var(--ink-soft); }
.dg-btn--primary .dg-btn__circle { background: var(--lima); color: var(--ink); }
.dg-btn--secondary { background: transparent; color: var(--ink); border: 1px solid var(--line-strong); }
.dg-btn--secondary:hover { border-color: var(--ink); }
.dg-btn--secondary .dg-btn__circle { background: var(--ink); color: #fff; }
.dg-btn--ghost-dark { background: transparent; color: #fff; border: 1px solid var(--bg-15); }
.dg-btn--ghost-dark:hover { border-color: var(--lima); }
.dg-btn--ghost-dark .dg-btn__circle { background: var(--lima); color: var(--ink); }

/* ---- DATA REVEAL ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ---- SECTION COMMON ---- */
.dg-section-h2 {
  font-size: clamp(40px, 6vw, 84px);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.dg-section-h2 em { font-style: italic; color: var(--ink-80); }
.dg-section-head { margin-bottom: 48px; }
.dg-section-head--split { display: grid; gap: 32px; align-items: end; }
@media (min-width: 860px) {
  .dg-section-head--split { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 56px; }
}
.dg-section-head--dark .dg-section-h2 { color: #fff; }
.dg-section-head--dark .dg-section-h2 em { color: var(--bg-85); }
.dg-section-sub { color: var(--ink-70); font-size: 18px; max-width: 56ch; }
.dg-section-sub--dark { color: var(--bg-85); }

/* ============================================================
   S1 — HERO (split: texto izquierda, foto derecha)
   ============================================================ */
.dg-hero {
  position: relative;
  padding: 88px 0 96px;
  background: #F3F5F8;
  overflow: hidden;
}
/* Split layout */
.dg-hero__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 860px) {
  .dg-hero__split { grid-template-columns: 1fr 1fr; gap: 64px; }
}

.dg-hero__split-left { display: flex; flex-direction: column; }

.dg-hero__split-right {
  display: flex;
  align-items: stretch;
}

.dg-hero__photo-wrap {
  width: 100%;
  border-radius: var(--r-3xl);
  overflow: hidden;
  aspect-ratio: 4/5;
}
@media (min-width: 860px) {
  .dg-hero__photo-wrap { aspect-ratio: 4/5; }
}

.dg-hero__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.dg-hero__h1 {
  font-size: clamp(40px, 6vw, 96px);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin-bottom: 32px;
}
.dg-hero__h1 em { font-style: italic; color: var(--ink-80); }
.dg-hero__lead {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-70);
  max-width: 60ch;
  margin-bottom: 32px;
}
.dg-hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; }

/* S2 CUALIFICACIÓN — eliminado del HTML, CSS purgado */

/* S3 VS — eliminado del HTML, CSS purgado */

/* ============================================================
   S4 — QUÉ CONSTRUIMOS (fondo lav · split + acordeones)
   ============================================================ */
.dg-cats { padding: 112px 0; background: #bab8d0; }

/* Split layout */
.dg-cats__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}
@media (min-width: 860px) {
  .dg-cats__split { grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 64px; }
}

.dg-cats__split-left {
  position: sticky;
  top: 32px;
}

.dg-cats__split-right { }

/* Acordeones */
/* rgba(ink,0.70) sobre #bab8d0 = ratio 3.09:1 — pasa WCAG 1.4.11 (≥3:1) para controles */
.dg-cats__accordion {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid rgba(38,59,74,0.70);
}

.dg-cats__acc-item {
  border-bottom: 1px solid rgba(38,59,74,0.70);
}

.dg-cats__acc-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
}

.dg-cats__acc-btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.dg-cats__acc-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
  line-height: 1.25;
}

/* ink-50 sobre lav = 2.15:1 (falla). ink-80 sobre lav = 3.91:1 — pasa WCAG AA texto normal */

/* icon background: rgba(ink,0.70) sobre lav = 3.09:1 para el borde visual del control */
.dg-cats__acc-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--r-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(38,59,74,0.18);
  color: var(--ink);
  flex-shrink: 0;
  transition: transform 300ms var(--ease-out), background 200ms;
}
.dg-cats__acc-icon svg { width: 14px; height: 14px; }
.dg-cats__acc-btn[aria-expanded="true"] .dg-cats__acc-icon {
  transform: rotate(45deg);
  background: var(--ink);
  color: var(--lima);
}

.dg-cats__acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 420ms var(--ease-reveal);
}
/* 1000px evita corte en móvil estrecho; el texto + lista no supera ~300px */
.dg-cats__acc-body.is-open { max-height: 1000px; }

.dg-cats__acc-inner {
  padding: 0 0 28px;
}

.dg-cats__acc-text {
  font-size: 15px;
  color: var(--ink-80);
  line-height: 1.6;
  margin-bottom: 16px;
}

.dg-cats__acc-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-50);
  margin-bottom: 8px;
}

.dg-cats__acc-examples {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.dg-cats__acc-examples li {
  font-size: 14px;
  color: var(--ink);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}
.dg-cats__acc-examples li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--ink-50);
}

/* ============================================================
   S5 — STACK GRID DENSO
   ============================================================ */
.dg-stack-sec { padding: 112px 0; background: var(--bg); }
.dg-stack__group {
  margin-bottom: 32px;
}
.dg-stack__group-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-50);
  margin-bottom: 16px;
}
.dg-stack__grid {
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-3xl);
  overflow: hidden;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 720px) { .dg-stack__grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .dg-stack__grid { grid-template-columns: repeat(4, 1fr); } }

.dg-stack__cell {
  background: var(--bg);
  padding: 20px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--ink);
  font-weight: 500;
  min-height: 64px;
}
.dg-stack__cell img {
  width: 24px; height: 24px;
  flex-shrink: 0;
  filter: brightness(0);
  opacity: 0.85;
}
.dg-stack__cell--text {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-70);
}
/* Logos oficiales a color (marca): sin recoloreo, alto similar a los hermanos. */
.dg-stack__cell img.dg-stack__cell-logo {
  height: 22px;
  width: auto;
  object-fit: contain;
  /* Mono como los iconos hermanos del stack (filter:brightness(0)) */
  filter: brightness(0);
  opacity: 0.85;
}
.dg-stack__foot {
  margin-top: 32px;
  font-size: 14px;
  color: var(--ink-65);
  font-style: italic;
  max-width: 64ch;
}

/* S6 PROCESO — eliminado del HTML, CSS purgado */

/* S7 GARANTÍAS — eliminado del HTML, CSS purgado */

/* S8 CROSS-LINK — eliminado del HTML, CSS purgado */

/* ============================================================
   S9 — FAQ
   ============================================================ */
.dg-faq { padding: 112px 0; background: var(--surface); }
.dg-faq .dg-eyebrow { margin-bottom: 16px; }
/* FAQ CENTRADA como la home: h2 centrado + lista constreñida y centrada. */
.dg-faq__h2 {
  font-size: clamp(40px, 7vw, 96px);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-align: center;
  margin-bottom: 56px;
}
.dg-faq__h2 em { font-style: italic; color: var(--ink-80); }
.dg-faq__list {
  display: flex;
  flex-direction: column;
  max-width: 760px;
  margin-inline: auto;
}
.dg-faq__item {
  border-bottom: 1px solid var(--line);
}
.dg-faq__btn {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
  text-align: left;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font);
}
.dg-faq__btn:focus-visible {
  outline: 2px solid var(--lima);
  outline-offset: 2px;
  border-radius: 4px;
}
.dg-faq__q {
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 500;
  line-height: 1.3;
  color: var(--ink);
}
.dg-faq__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  flex-shrink: 0;
  transition: transform 300ms var(--ease-out);
  color: var(--ink);
}
.dg-faq__icon svg { width: 12px; height: 12px; }
.dg-faq__btn[aria-expanded="true"] .dg-faq__icon { transform: rotate(45deg); }
/* Override UA [hidden]{display:none} para que anime el grid-row al abrir/cerrar */
.dg-faq__answer[hidden] { display: grid; }
.dg-faq__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 300ms var(--ease-out);
}
.dg-faq__answer.is-open { grid-template-rows: 1fr; }
.dg-faq__answer-inner {
  overflow: hidden;
}
.dg-faq__answer-inner p {
  padding-bottom: 24px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-70);
}
.dg-faq__answer-inner a { color: var(--ink); border-bottom: 1px solid var(--ink-15); }
.dg-faq__answer-inner p + p { margin-top: 0; }

/* ============================================================
   S10 — OTROS SERVICIOS
   ============================================================ */
.dg-otros { padding: 96px 0; background: var(--bg); }
.dg-otros__grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(4, 1fr);
}
@media (min-width: 720px) { .dg-otros__grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1024px) { .dg-otros__grid { grid-template-columns: repeat(4, 1fr); } }
.dg-otros__card {
  background: var(--ink);
  color: #fff;
  padding: 24px 22px;
  border-radius: var(--r-3xl);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 200px;
  transition: background 200ms;
}
.dg-otros__card:hover { background: var(--ink-soft); }
.dg-otros__h3 {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.2;
}
.dg-otros__body { font-size: 13px; color: var(--bg-85); line-height: 1.5; }

/* ============================================================
   S11 — CTA FINAL (ink)
   ============================================================ */
.dg-cta-final {
  background: var(--ink);
  padding: 128px 0;
  text-align: center;
}
.dg-cta-final__inner {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.dg-cta-final .dg-eyebrow { color: var(--bg-40); }
.dg-cta-final__h2 {
  font-size: clamp(40px, 7vw, 96px);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: #fff;
}
.dg-cta-final__h2 em { font-style: italic; color: var(--bg-85); }
.dg-cta-final__sub {
  color: var(--bg-85);
  font-size: 17px;
  max-width: 52ch;
}
.dg-cta-final abbr[title] { border-bottom-color: var(--bg-40); }
.dg-btn--magnetic { transition: transform 200ms var(--ease-out), background 300ms; }

/* ============================================================
   PREFERS-REDUCED-MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .dg-reveal-inner { transition: none; transform: translateY(0); }
  [data-reveal] { transition: none; opacity: 1; transform: none; }
  .dg-btn--magnetic { transform: none !important; }
  .dg-cats__acc-body { transition: none; }
  .dg-cats__acc-body.is-open { max-height: none; }
  .dg-cats__acc-icon { transition: none; }
  /* duration ~0 (no 'none') para que transitionend siga disparando y el panel
     cerrado recupere el atributo [hidden] vía el handler de initFAQ */
  .dg-faq__answer { transition-duration: 0.01ms; }
}

/* Touch: disable magnetic */
@media (pointer: coarse) {
  .dg-btn--magnetic { transform: none !important; }
}