/* ============================================================
   DATAGROWTH — /casos-de-exito
   Vitrina sobria con filtros sticky + 11 case cards.
   ============================================================ */

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

:root {
  --ink:        #263b4a;
  --ink-soft:   #1d2e3a;
  --ink-deep:   #15222c;
  --lima:       #b5ff82;
  --lav:        #bab8d0;
  --bg:         #ffffff;
  --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-img: cubic-bezier(0.16,1,0.3,1);
  --ease-reveal: cubic-bezier(0.16,1,0.3,1);

  /* Offset for sticky filter bar — coordinated with <dg-header> */
  --nav-h: 72px;
}

html { scroll-behavior: smooth; }
.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;
}
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; }

/* ---- SKIP LINK ---- */
.dg-skip {
  position: absolute;
  top: -100px; left: 16px;
  z-index: 10000;
  padding: 12px 20px;
  background: var(--ink);
  color: #fff;
  border-radius: var(--r-pill);
  font-weight: 500;
  font-size: 14px;
  transition: top 200ms var(--ease-out);
}
.dg-skip:focus { top: 16px; outline: 2px solid var(--lima); outline-offset: 2px; }

.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-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-70);
}
.dg-eyebrow--dark { color: var(--bg-40); }

/* ---- REVEAL LINES ---- */
.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 ---- */
.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;
}
.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; }

[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   S1 — HERO CASOS
   ============================================================ */
.dg-hero-casos {
  position: relative;
  background: var(--bg);
  overflow: hidden;
  isolation: isolate;
  padding-top: 120px;
  padding-bottom: 80px;
}

.dg-hero-casos__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.dg-hero-casos__sq {
  position: absolute;
  width: 22px; height: 22px;
  background: var(--lav);
  opacity: 0.35;
  border-radius: 3px;
  animation: dg-float 6s ease-in-out infinite;
}
.dg-hero-casos__sq--lima { background: var(--lima); opacity: 0.45; }

@keyframes dg-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

.dg-hero-casos__inner { position: relative; z-index: 1; }

.dg-hero-casos__cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: end;
  margin-top: 24px;
}

.dg-hero-casos__h1 {
  font-size: clamp(48px, 8.4vw, 140px);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: -0.035em;
  color: var(--ink);
  margin-bottom: 28px;
}
.dg-hero-casos__h1 em {
  font-style: italic;
  color: var(--ink-80);
  font-weight: 500;
}
.dg-hero-casos__lead {
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.55;
  color: var(--ink-70);
  max-width: 520px;
  margin-bottom: 28px;
}
.dg-hero-casos__ctas {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

@media (min-width: 720px) {
  .dg-hero-casos__ctas { flex-direction: row; }
}

/* ============================================================
   S2 — FILTROS · sticky bar
   ============================================================ */
.dg-filtros {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.dg-filtros__inner {
  padding-block: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.dg-filtros__row {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.dg-filtros__row::-webkit-scrollbar { display: none; }
.dg-filtros__title { flex-shrink: 0; }
.dg-filtros__row-label {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-70);
}
.dg-filtros__group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.dg-chip {
  flex-shrink: 0;
  height: 44px;
  padding: 0 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  white-space: nowrap;
  cursor: pointer;
  transition: background 200ms var(--ease-out), color 200ms var(--ease-out), border-color 200ms var(--ease-out);
}
.dg-chip:hover {
  border-color: var(--ink);
}
.dg-chip:focus-visible {
  outline: 2px solid var(--lima);
  outline-offset: 2px;
}
.dg-chip--active,
.dg-chip[aria-pressed="true"] {
  background: var(--lima);
  border-color: var(--lima);
  color: var(--ink);
}

@media (min-width: 1024px) {
  .dg-filtros__inner { padding-block: 20px; gap: 14px; }
  .dg-filtros__row { overflow-x: visible; flex-wrap: wrap; }
}

/* ============================================================
   S3 — GRID CASOS
   ============================================================ */
.dg-casos {
  padding: 56px 0 96px;
  background: var(--bg);
}
.dg-casos__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-3xl);
  overflow: hidden;
}

.dg-caso-card {
  background: var(--bg);
  padding: 28px 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-decoration: none;
  color: var(--ink);
  transition: background 250ms var(--ease-out);
  min-height: 360px;
}
.dg-caso-card > article {
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: 100%;
}
.dg-caso-card:hover { background: var(--surface); }
.dg-caso-card:focus-visible {
  outline: 2px solid var(--lima);
  outline-offset: -4px;
}
.dg-caso-card[hidden] { display: none !important; }

.dg-caso-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.dg-caso-card__wordmark {
  font-family: var(--font);
  font-weight: 600;
  font-size: 22px;
  line-height: 0.95;
  letter-spacing: -0.025em;
  color: var(--ink);
}
.dg-caso-card__eyebrow {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-70);
  text-align: right;
  max-width: 56%;
  line-height: 1.4;
}

.dg-caso-card__h3 {
  font-size: clamp(20px, 2vw, 24px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.018em;
  color: var(--ink);
  margin-top: 4px;
}

.dg-caso-card__body {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-65);
}

.dg-caso-card__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  margin-top: auto;
}
.dg-caso-card__stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-70);
}
.dg-caso-card__stat-num {
  font-size: clamp(20px, 1.9vw, 24px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.dg-caso-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.dg-caso-card__cta > span:first-child {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 4px;
  text-decoration-thickness: 1.5px;
  transition: text-decoration-color 200ms var(--ease-out);
}
.dg-caso-card:hover .dg-caso-card__cta > span:first-child {
  text-decoration-color: var(--lima);
}
.dg-caso-card__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  transition: background 200ms var(--ease-out), color 200ms var(--ease-out), border-color 200ms var(--ease-out), transform 200ms var(--ease-out);
}
.dg-caso-card__arrow svg { width: 10px; height: 10px; transition: transform 200ms var(--ease-out); }
.dg-caso-card:hover .dg-caso-card__arrow {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.dg-caso-card:hover .dg-caso-card__arrow svg { transform: translate(2px, -2px); }

.dg-casos__empty {
  text-align: center;
  padding: 80px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
/* el display:flex de arriba pisaba el atributo hidden del estado vacio */
.dg-casos__empty[hidden] { display: none !important; }
.dg-casos__empty-title {
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.dg-casos__empty-body {
  font-size: 15px;
  color: var(--ink-65);
  margin-bottom: 12px;
}

@media (min-width: 720px) {
  .dg-casos__grid { grid-template-columns: repeat(2, 1fr); }
  .dg-caso-card { padding: 32px; min-height: 380px; }
}
@media (min-width: 1024px) {
  .dg-casos__grid { grid-template-columns: repeat(3, 1fr); }
}

/* ============================================================
   S5 — CTA FINAL (dark · magnetic · pixel field)
   ============================================================ */
.dg-cta-final {
  position: relative;
  padding: 96px 0;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
}
.dg-cta-final--casos { padding: 96px 0; }
.dg-cta-final > .dg-container-wide { position: relative; z-index: 1; }

.dg-pixel-field {
  position: absolute;
  inset-block: 0;
  width: 72px;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.dg-pixel-field--left  { left: 0; }
.dg-pixel-field--right { right: 0; }
.dg-pixel {
  position: absolute;
  width: 10px; height: 10px;
  background: var(--lima);
  opacity: 0;
  animation: dg-pixel-flicker var(--pixel-cycle, 2.4s) ease-in-out infinite;
  animation-delay: var(--pixel-delay, 0s);
}
.dg-pixel.is-sm { width: 8px; height: 8px; }
@keyframes dg-pixel-flicker {
  0%, 100% { opacity: 0; transform: scale(0.6); }
  35%, 65% { opacity: 1; transform: scale(1); }
}
@media (min-width: 768px) {
  .dg-pixel-field { width: 120px; }
}

.dg-cta-final__inner {
  max-width: 880px;
  margin-inline: auto;
}
.dg-cta-final .dg-eyebrow {
  margin-bottom: 16px;
  color: var(--bg-70);
}
.dg-cta-final__h2 {
  font-size: clamp(44px, 7vw, 96px);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: #fff;
  text-align: center;
  margin-bottom: 24px;
}
.dg-cta-final__h2 em {
  font-style: italic;
  color: var(--bg-70);
  font-weight: 500;
}
.dg-cta-final__sub {
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.65;
  color: var(--bg-70);
  max-width: 560px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: 40px;
}
.dg-cta-final__center {
  display: flex;
  justify-content: center;
}
.dg-cta-final__legal {
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--bg-70);
  text-align: center;
}

.dg-magnetic {
  transition: transform 200ms var(--ease-out), background 300ms var(--ease-out);
  will-change: transform;
}

/* Botón sobre fondo dark: el resting --ink coincide con el fondo de la
   sección. Lo oscurecemos a --ink-soft para que despegue y mejore el
   contraste percibido del recuadro del botón sobre el navy. */
.dg-cta-final .dg-btn--primary { background: var(--ink-soft); }
.dg-cta-final .dg-btn--primary:hover { background: var(--ink-deep); }

@media (min-width: 768px) {
  .dg-cta-final--casos { padding: 128px 0; }
}

/* ============================================================
   REDUCED MOTION + TOUCH
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .dg-hero-casos__sq { animation: none !important; opacity: 0.25; }
  .dg-pixel { animation: none !important; opacity: 0.6; transform: scale(1); }
  .dg-reveal-inner { transform: translateY(0) !important; }
  [data-reveal] { opacity: 1 !important; transform: translateY(0) !important; }
  .dg-magnetic { transform: none !important; }
  .dg-btn:active { transform: none; }
  .dg-btn:hover .dg-btn__circle svg { transform: none; }
  .dg-caso-card:hover .dg-caso-card__arrow svg { transform: none; }
}

@media (hover: none) {
  .dg-magnetic { transform: none !important; }
}