/* RagTechnologySection — inteligencia especializada */
.rag-technology {
  --rag-bg: #080a0c;
  --rag-text: #f3f1ec;
  --rag-muted: #a9afb4;
  --rag-accent: #f04438;
  --rag-line: rgba(255, 255, 255, 0.1);
  --rag-line-bright: rgba(255, 255, 255, 0.22);
  --rag-node: rgba(255, 255, 255, 0.08);
  --rag-max: 1280px;

  position: relative;
  background: var(--rag-bg);
  color: var(--rag-text);
  overflow: hidden;
  border-top: 1px solid var(--rag-line);
}

.rag-technology::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.032) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.55;
}

.rag-technology::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 40% at 18% 42%, rgba(240, 68, 56, 0.06), transparent 70%),
    radial-gradient(ellipse 45% 35% at 82% 58%, rgba(255, 255, 255, 0.03), transparent 65%);
}

.rag-technology__inner {
  position: relative;
  z-index: 1;
  max-width: var(--rag-max);
  margin: 0 auto;
  padding: 150px 80px;
  box-sizing: border-box;
}

/* ——— Intro ——— */
.rag-technology__intro {
  max-width: 880px;
}

.rag-technology__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rag-muted);
}

.rag-technology__eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  background: var(--rag-accent);
}

.rag-technology__title {
  margin: 24px 0 0;
  font-size: clamp(52px, 4.8vw, 76px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--rag-text);
}

.rag-technology__lead {
  margin: 30px 0 0;
  max-width: 760px;
  font-size: 19px;
  line-height: 1.65;
  color: var(--rag-muted);
}

/* ——— Flow ——— */
.rag-technology__flow-wrap {
  position: relative;
  margin-top: 88px;
}

.rag-technology__flow-line {
  position: absolute;
  top: 28px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: var(--rag-line);
  transform: scaleX(0);
  transform-origin: left center;
  z-index: 0;
}

.rag-technology.is-visible .rag-technology__flow-line {
  animation: ragLineDraw 700ms ease forwards;
  animation-delay: 380ms;
}

.rag-technology__flow {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.rag-step {
  position: relative;
  opacity: 0;
  transform: translateY(12px);
}

.rag-technology.is-visible .rag-step:nth-child(1) {
  animation: ragStepIn 480ms ease forwards;
  animation-delay: 520ms;
}

.rag-technology.is-visible .rag-step:nth-child(2) {
  animation: ragStepIn 480ms ease forwards;
  animation-delay: 680ms;
}

.rag-technology.is-visible .rag-step:nth-child(3) {
  animation: ragStepIn 480ms ease forwards;
  animation-delay: 840ms;
}

.rag-technology.is-visible .rag-step:nth-child(4) {
  animation: ragStepIn 480ms ease forwards;
  animation-delay: 1000ms;
}

.rag-step__node {
  position: relative;
  width: 14px;
  height: 14px;
  margin-bottom: 20px;
  border-radius: 50%;
  border: 1px solid var(--rag-line-bright);
  background: var(--rag-bg);
  box-shadow: 0 0 0 4px rgba(8, 10, 12, 0.9);
}

.rag-step__node::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--rag-accent);
  opacity: 0.85;
  transform: scale(0);
  transition: transform 300ms ease;
}

.rag-technology.is-visible .rag-step__node::after {
  animation: ragNodePulse 400ms ease forwards;
}

.rag-technology.is-visible .rag-step:nth-child(1) .rag-step__node::after { animation-delay: 560ms; }
.rag-technology.is-visible .rag-step:nth-child(2) .rag-step__node::after { animation-delay: 720ms; }
.rag-technology.is-visible .rag-step:nth-child(3) .rag-step__node::after { animation-delay: 880ms; }
.rag-technology.is-visible .rag-step:nth-child(4) .rag-step__node::after { animation-delay: 1040ms; }

.rag-step__index {
  display: block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--rag-accent);
  margin-bottom: 10px;
}

.rag-step__title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--rag-text);
  letter-spacing: -0.01em;
}

.rag-step__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--rag-muted);
}

/* ——— Step 01 stat ——— */
.rag-step__stat {
  margin-top: 18px;
  opacity: 0;
  transform: translateY(8px);
}

.rag-technology.is-visible .rag-step--01 .rag-step__stat {
  animation: ragStatIn 550ms ease forwards;
  animation-delay: 600ms;
}

.rag-step__stat-value {
  display: block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: clamp(64px, 5vw, 84px);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: #e8e6e1;
}

.rag-step__stat-label {
  display: block;
  margin-top: 6px;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rag-muted);
}

/* ——— Step 02 fragments ——— */
.rag-step__visual {
  position: relative;
  min-height: 120px;
  margin-top: 16px;
}

.rag-step__fragments {
  position: relative;
  height: 110px;
}

.rag-step__fragment {
  position: absolute;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #8b939c;
  padding: 4px 7px;
  border: 1px solid var(--rag-line);
  background: rgba(8, 10, 12, 0.75);
  white-space: nowrap;
  opacity: 0;
}

.rag-step__fragment:nth-child(1) { top: 4px; left: 0; }
.rag-step__fragment:nth-child(2) { top: 28px; right: 0; }
.rag-step__fragment:nth-child(3) { top: 58px; left: 8%; }
.rag-step__fragment:nth-child(4) { top: 78px; right: 12%; }
.rag-step__fragment:nth-child(5) { top: 36px; left: 38%; }

.rag-technology.is-visible .rag-step__fragment:nth-child(1) { animation: ragFragmentIn 500ms ease forwards; animation-delay: 760ms; }
.rag-technology.is-visible .rag-step__fragment:nth-child(2) { animation: ragFragmentIn 500ms ease forwards; animation-delay: 820ms; }
.rag-technology.is-visible .rag-step__fragment:nth-child(3) { animation: ragFragmentIn 500ms ease forwards; animation-delay: 880ms; }
.rag-technology.is-visible .rag-step__fragment:nth-child(4) { animation: ragFragmentIn 500ms ease forwards; animation-delay: 940ms; }
.rag-technology.is-visible .rag-step__fragment:nth-child(5) { animation: ragFragmentIn 500ms ease forwards; animation-delay: 1000ms; }

@media (prefers-reduced-motion: no-preference) {
  .rag-technology.is-visible .rag-step__fragment:nth-child(odd) {
    animation-name: ragFragmentIn, ragFragmentDrift;
    animation-duration: 500ms, 9s;
    animation-timing-function: ease, ease-in-out;
    animation-iteration-count: 1, infinite;
    animation-fill-mode: forwards, none;
    animation-delay: var(--rag-frag-delay, 760ms), 1.4s;
  }

  .rag-technology.is-visible .rag-step__fragment:nth-child(even) {
    animation-name: ragFragmentIn, ragFragmentDrift;
    animation-duration: 500ms, 8s;
    animation-timing-function: ease, ease-in-out;
    animation-iteration-count: 1, infinite;
    animation-fill-mode: forwards, none;
    animation-direction: normal, reverse;
    animation-delay: var(--rag-frag-delay, 820ms), 1.4s;
  }

  .rag-step__fragment:nth-child(1) { --rag-frag-delay: 760ms; }
  .rag-step__fragment:nth-child(2) { --rag-frag-delay: 820ms; }
  .rag-step__fragment:nth-child(3) { --rag-frag-delay: 880ms; }
  .rag-step__fragment:nth-child(4) { --rag-frag-delay: 940ms; }
  .rag-step__fragment:nth-child(5) { --rag-frag-delay: 1000ms; }
}

/* ——— Step 03 RAG ——— */
.rag-step__rag {
  position: relative;
  height: 120px;
  margin-top: 8px;
}

.rag-step__rag-lines {
  position: absolute;
  inset: 0 0 36px 0;
  width: 100%;
  height: auto;
  opacity: 0;
}

.rag-technology.is-visible .rag-step__rag-lines {
  animation: ragFadeIn 600ms ease forwards;
  animation-delay: 920ms;
}

.rag-step__rag-core {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: calc(100% - 8px);
  padding: 10px 8px;
  text-align: center;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 9px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--rag-text);
  border: 1px solid var(--rag-line-bright);
  background: rgba(17, 21, 25, 0.85);
  opacity: 0;
}

.rag-technology.is-visible .rag-step__rag-core {
  animation: ragCoreIn 550ms ease forwards;
  animation-delay: 980ms;
}

/* ——— Step 04 results ——— */
.rag-step__results {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.rag-step__result {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #c2c6ca;
  opacity: 0;
  transform: translateX(-6px);
}

.rag-step__result::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--rag-accent);
  flex-shrink: 0;
  opacity: 0.7;
}

.rag-technology.is-visible .rag-step__result:nth-child(1) { animation: ragResultIn 400ms ease forwards; animation-delay: 1080ms; }
.rag-technology.is-visible .rag-step__result:nth-child(2) { animation: ragResultIn 400ms ease forwards; animation-delay: 1140ms; }
.rag-technology.is-visible .rag-step__result:nth-child(3) { animation: ragResultIn 400ms ease forwards; animation-delay: 1200ms; }
.rag-technology.is-visible .rag-step__result:nth-child(4) { animation: ragResultIn 400ms ease forwards; animation-delay: 1260ms; }

.rag-step__result-tag {
  margin-left: auto;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 8px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #8b939c;
  padding: 2px 5px;
  border: 1px solid var(--rag-line);
}

/* ——— Statement ——— */
.rag-technology__statement {
  margin-top: 112px;
  max-width: 820px;
  opacity: 0;
  transform: translateY(14px);
}

.rag-technology.is-visible .rag-technology__statement {
  animation: ragStepIn 420ms ease forwards;
  animation-delay: 1180ms;
}

.rag-technology__marker {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--rag-accent);
  margin-bottom: 28px;
}

.rag-technology__declaration {
  margin: 0;
  font-size: clamp(42px, 3.6vw, 58px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--rag-text);
}

.rag-technology__declaration-line {
  display: block;
}

.rag-technology__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 36px;
  font-size: 15px;
  font-weight: 600;
  color: var(--rag-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  padding-bottom: 3px;
  transition: border-color 180ms ease;
}

.rag-technology__cta span {
  color: var(--rag-accent);
  transition: transform 180ms ease;
}

.rag-technology__cta:hover {
  border-color: rgba(255, 255, 255, 0.45);
}

.rag-technology__cta:hover span {
  transform: translateX(3px);
}

.rag-technology__cta:focus-visible {
  outline: 2px solid var(--rag-text);
  outline-offset: 4px;
}

/* ——— Intro animations ——— */
.rag-technology [data-rag-intro] {
  opacity: 0;
  transform: translateY(12px);
}

.rag-technology.is-visible [data-rag-intro="eyebrow"] {
  animation: ragFadeIn 450ms ease forwards;
}

.rag-technology.is-visible [data-rag-intro="title"] {
  animation: ragStepIn 550ms ease forwards;
  animation-delay: 80ms;
}

.rag-technology.is-visible [data-rag-intro="lead"] {
  animation: ragStepIn 550ms ease forwards;
  animation-delay: 180ms;
}

@keyframes ragFadeIn {
  to { opacity: 1; }
}

@keyframes ragStepIn {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes ragLineDraw {
  to { transform: scaleX(1); }
}

@keyframes ragNodePulse {
  to { transform: scale(1); }
}

@keyframes ragStatIn {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes ragFragmentIn {
  to { opacity: 1; }
}

@keyframes ragFragmentDrift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(2px, -3px); }
}

@keyframes ragCoreIn {
  to { opacity: 1; }
}

@keyframes ragResultIn {
  to { opacity: 1; transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .rag-technology [data-rag-intro],
  .rag-step,
  .rag-step__stat,
  .rag-step__fragment,
  .rag-step__rag-lines,
  .rag-step__rag-core,
  .rag-step__result,
  .rag-technology__statement,
  .rag-technology__flow-line {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }

  .rag-step__node::after {
    transform: scale(1) !important;
    animation: none !important;
  }

  .rag-technology__flow-line {
    transform: scaleX(1) !important;
  }
}

/* ——— Tablet ——— */
@media (max-width: 1024px) {
  .rag-technology__inner {
    padding: 120px 40px;
  }

  .rag-technology__flow {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 48px;
  }

  .rag-technology__flow-line {
    display: none;
  }

  .rag-step__node {
    margin-bottom: 16px;
  }
}

/* ——— Mobile ——— */
@media (max-width: 720px) {
  .rag-technology__inner {
    padding: 96px 20px;
  }

  .rag-technology__title {
    font-size: clamp(42px, 11vw, 54px);
  }

  .rag-technology__lead {
    font-size: 17px;
  }

  .rag-technology__flow-wrap {
    margin-top: 56px;
  }

  .rag-technology__flow {
    grid-template-columns: 1fr;
    gap: 0;
    padding-left: 24px;
  }

  .rag-technology__flow::before {
    content: "";
    position: absolute;
    top: 12px;
    bottom: 12px;
    left: 6px;
    width: 1px;
    background: var(--rag-line);
  }

  .rag-step {
    padding: 0 0 40px;
  }

  .rag-step:last-child {
    padding-bottom: 0;
  }

  .rag-step__node {
    position: absolute;
    left: -24px;
    top: 4px;
    width: 12px;
    height: 12px;
    margin: 0;
  }

  .rag-step__stat-value {
    font-size: clamp(56px, 16vw, 72px);
  }

  .rag-step__fragments {
    height: 96px;
  }

  .rag-step__fragment {
    font-size: 8px;
    padding: 3px 6px;
  }

  .rag-technology__statement {
    margin-top: 72px;
  }

  .rag-technology__declaration {
    font-size: clamp(34px, 9vw, 42px);
  }
}