/* ============================================================
   Atrium Engenharia Júnior — Interactive Pillars CSS
   Appended to styles.css (or loaded as separate sheet)
   ============================================================ */

/* ─────────────────────────────────────────────
   PILLAR 1 — Fade-in-up scroll animations
   ──────────────────────────────────────────── */

.fade-in-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.72s var(--ease), transform 0.72s var(--ease);
  will-change: opacity, transform;
}

.fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger utility — apply data-delay on children */
.stagger > * { transition-delay: calc(var(--i, 0) * 60ms); }

/* Subtle CSS parallax for hero background */
.hero__bg {
  will-change: transform;
  transform: translateZ(0);
}

/* ─────────────────────────────────────────────
   PILLAR 2 — Impact Metrics / AnimatedCounter
   ──────────────────────────────────────────── */

.impact-metrics {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.impact-metrics::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      90deg,
      var(--line) 0,
      var(--line) 1px,
      transparent 1px,
      transparent 80px
    ),
    repeating-linear-gradient(
      0deg,
      var(--line) 0,
      var(--line) 1px,
      transparent 1px,
      transparent 80px
    );
  opacity: 0.35;
  pointer-events: none;
}

.impact-metrics__head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 72px;
  position: relative;
}

.impact-metrics__title {
  margin: 16px 0 20px;
}

.impact-metrics__sub {
  font-size: 16px;
  color: var(--slate);
  line-height: 1.7;
}

.impact-metrics__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  position: relative;
}

.counter-item {
  padding: 48px 36px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  transition: background 0.36s var(--ease);
}

.counter-item:hover {
  background: var(--accent-soft);
}

.counter-item:nth-child(3n) {
  border-right: 0;
}

.counter-item:nth-child(n+4) {
  border-bottom: 0;
}

.counter-item__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(42px, 5vw, 64px);
  line-height: 1;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 3px;
  letter-spacing: -0.02em;
}

.counter-item__prefix,
.counter-item__suffix {
  font-size: 0.55em;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0;
}

.counter-item__value {
  background: linear-gradient(135deg, var(--ink), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.counter-item__label {
  color: var(--slate);
  font-size: 11px;
  letter-spacing: 0.1em;
}

/* MEJ badges row */
.impact-metrics__mej {
  display: flex;
  gap: 0;
  margin-top: 48px;
  border: 1px solid var(--line);
}

.mej-badge {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 28px 32px;
  border-right: 1px solid var(--line);
}

.mej-badge:last-child { border-right: 0; }

.mej-badge__icon {
  width: 52px;
  height: 52px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.mej-badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.mej-badge .mono {
  font-size: 10px;
  color: var(--slate-2);
  line-height: 1.6;
}

/* ─────────────────────────────────────────────
   PILLAR 3 — Timeline Journey
   ──────────────────────────────────────────── */

.timeline-journey {
  background: var(--ink);
  position: relative;
  overflow: hidden;
}

.timeline-journey .section__title--light {
  color: var(--bone);
}

.timeline__layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: start;
  margin-top: 56px;
}

.timeline__steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid rgba(245, 243, 238, 0.1);
}

.timeline__step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px 24px;
  text-align: left;
  border-bottom: 1px solid rgba(245, 243, 238, 0.08);
  color: rgba(245, 243, 238, 0.45);
  cursor: pointer;
  transition: all 0.36s var(--ease);
  position: relative;
  overflow: hidden;
}

.timeline__step::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0;
  background: var(--accent);
  transition: width 0.36s var(--ease);
}

.timeline__step:last-child { border-bottom: 0; }

.timeline__step:hover,
.timeline__step.is-active {
  color: var(--bone);
  background: rgba(245, 243, 238, 0.04);
}

.timeline__step.is-active::before {
  width: 3px;
}

.timeline__step-num {
  font-size: 12px;
  letter-spacing: 0.12em;
  opacity: 0.45;
  flex-shrink: 0;
  padding-top: 3px;
  transition: opacity 0.3s var(--ease);
}

.timeline__step.is-active .timeline__step-num,
.timeline__step:hover .timeline__step-num {
  opacity: 1;
  color: var(--accent);
}

.timeline__step-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.timeline__step-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: color 0.3s var(--ease);
}

.timeline__step-tag {
  font-size: 10px;
  color: rgba(245, 243, 238, 0.35);
  transition: color 0.3s var(--ease);
}

.timeline__step.is-active .timeline__step-tag,
.timeline__step:hover .timeline__step-tag {
  color: var(--accent);
}

.timeline__step-arrow {
  flex-shrink: 0;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  color: var(--accent);
}

.timeline__step.is-active .timeline__step-arrow,
.timeline__step:hover .timeline__step-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* Feature panel */
.timeline__feature {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.timeline__visual {
  border-radius: 0;
  overflow: hidden;
  position: relative;
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease);
}

.timeline__visual.is-fading {
  opacity: 0;
  transform: translateY(8px) scale(0.985);
}

.timeline__visual.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition-duration: 0.4s;
}

.timeline__visual-inner {
  position: relative;
}

.timeline__render {
  width: 100%;
  aspect-ratio: 4/3;
}

.timeline__visual-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 28px;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, transparent 100%);
  display: flex;
  align-items: flex-end;
  gap: 16px;
}

.timeline__step-badge {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

.timeline__visual-title {
  color: var(--bone);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  margin: 0;
}

/* Description panel */
.timeline__desc {
  padding: 28px;
  border: 1px solid rgba(245, 243, 238, 0.12);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease);
}

.timeline__desc.is-fading {
  opacity: 0;
  transform: translateY(6px);
}

.timeline__desc.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition-duration: 0.44s;
}

.timeline__desc-tag {
  color: var(--accent);
  font-size: 10px;
}

.timeline__desc-text {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(245, 243, 238, 0.7);
  margin: 0;
}

/* ─────────────────────────────────────────────
   PILLAR 4 — ServicesAccordion
   ──────────────────────────────────────────── */

.services-accordion {
  background: var(--bone);
}

.accordion-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--line);
  margin-top: 56px;
}

.accordion-item {
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.accordion-item:last-child {
  border-bottom: 0;
}

.accordion-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 32px;
  text-align: left;
  cursor: pointer;
  transition: background 0.3s var(--ease);
}

.accordion-item__trigger:hover {
  background: var(--paper);
}

.accordion-item.is-open .accordion-item__trigger {
  background: var(--white);
}

.accordion-item__left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.accordion-item__code {
  font-size: 11px;
  color: var(--slate-2);
  flex-shrink: 0;
}

.accordion-item__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.accordion-item__right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.accordion-item__tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.accordion-item__tag {
  padding: 4px 10px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  border-radius: 0;
}

.accordion-item__chevron {
  color: var(--slate-2);
  transition: transform 0.38s var(--ease), color 0.3s var(--ease);
  flex-shrink: 0;
}

.accordion-item.is-open .accordion-item__chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

/* Smooth height accordion body */
.accordion-item__body {
  overflow: hidden;
  transition: height 0.42s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.accordion-item__inner {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 24px 32px 32px;
  background: var(--white);
  border-top: 1px solid var(--line);
}

.accordion-item__icon {
  width: 64px;
  height: 64px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.accordion-item__content {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.accordion-item__content p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
  margin: 0;
}

.accordion-item__cta {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s var(--ease);
}

.accordion-item__cta:hover {
  gap: 10px;
}

.accordion-footer {
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 32px;
  border: 1px solid var(--line);
  background: var(--white);
}

.accordion-footer .mono {
  color: var(--slate);
  font-size: 12px;
}

/* ─────────────────────────────────────────────
   PILLAR 5 — TestimonialsCarousel
   ──────────────────────────────────────────── */

.testimonials {
  background: var(--paper);
  position: relative;
  overflow: hidden;
}

.testimonials__head {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 64px;
}

.testimonials__stage {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
  perspective: 1000px;
}

/* Depth cards behind */
.testimonials__bg-cards {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.testimonials__bg-card {
  position: absolute;
  inset: 0;
  background: var(--white);
  border: 1px solid var(--line);
  transform-origin: center bottom;
}

.testimonials__bg-card--1 {
  transform: translateY(10px) scaleX(0.93);
  opacity: 0.6;
}

.testimonials__bg-card--2 {
  transform: translateY(20px) scaleX(0.86);
  opacity: 0.35;
}

/* Main card */
.testimonial-card {
  position: relative;
  z-index: 1;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  min-height: 260px;
}

/* Slide animation states */
@keyframes slideEnterRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideEnterLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

.testimonial-card.slide-enter {
  animation: slideEnterRight 0.4s var(--ease) forwards;
}

.testimonial-card.slide-exit-left {
  animation: slideEnterLeft 0.28s var(--ease) reverse forwards;
  pointer-events: none;
}

.testimonial-card.slide-exit-right {
  animation: slideEnterRight 0.28s var(--ease) reverse forwards;
  pointer-events: none;
}

.testimonial-card__top {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.testimonial-card__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--ink));
  color: var(--bone);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.testimonial-card__meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.testimonial-card__meta strong {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
}

.testimonial-card__meta .mono {
  font-size: 10px;
  color: var(--slate-2);
}

.testimonial-card__role {
  color: var(--accent) !important;
}

.testimonial-card__google {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.stars {
  display: flex;
  gap: 2px;
}

.testimonial-card__quote {
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate);
  margin: 0;
  font-style: italic;
  font-family: var(--font-display);
  font-weight: 300;
  position: relative;
}

.testimonial-card__quote::before {
  content: """;
  position: absolute;
  top: -16px;
  left: -8px;
  font-size: 60px;
  line-height: 1;
  color: var(--accent-soft);
  font-family: Georgia, serif;
  pointer-events: none;
}

/* Controls */
.testimonials__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 36px;
}

.carousel-btn {
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: all 0.3s var(--ease);
  border-radius: 50%;
  flex-shrink: 0;
}

.carousel-btn:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bone);
  transform: scale(1.08);
}

.testimonials__dots {
  display: flex;
  gap: 8px;
  align-items: center;
}

.testimonials__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line-2);
  transition: all 0.36s var(--ease);
  border: 0;
  padding: 0;
  cursor: pointer;
}

.testimonials__dot.is-active {
  background: var(--accent);
  width: 24px;
  border-radius: 4px;
}

/* Trust bar */
.testimonials__trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-top: 48px;
  border: 1px solid var(--line);
  background: var(--white);
}

.trust-bar {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 20px 28px;
  font-size: 14px;
  font-family: var(--font-display);
  color: var(--ink);
}

.trust-bar .mono {
  color: var(--slate-2);
}

.trust-bar strong {
  font-weight: 700;
  color: var(--ink);
}

.trust-divider {
  width: 1px;
  height: 40px;
  background: var(--line);
  flex-shrink: 0;
}

/* ─────────────────────────────────────────────
   Responsive overrides for new components
   ──────────────────────────────────────────── */

@media (max-width: 960px) {
  .impact-metrics__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .counter-item:nth-child(2n) { border-right: 0; }
  .counter-item:nth-child(3n) { border-right: 1px solid var(--line); }
  .counter-item:nth-child(4n) { border-right: 0; }
  .counter-item:nth-last-child(-n+2) { border-bottom: 0; }
  .counter-item { border-bottom: 1px solid var(--line); }

  .impact-metrics__mej {
    flex-direction: column;
  }

  .mej-badge {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .mej-badge:last-child { border-bottom: 0; }

  .timeline__layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .timeline__feature {
    position: static;
  }

  .accordion-item__tags { display: none; }

  .accordion-item__trigger { padding: 20px 20px; }
  .accordion-item__inner { padding: 20px; gap: 20px; }

  .trust-bar .mono { display: none; }

  .testimonials__trust {
    flex-direction: column;
  }

  .trust-divider {
    width: 100%;
    height: 1px;
  }
}

@media (max-width: 560px) {
  .impact-metrics__grid {
    grid-template-columns: 1fr 1fr;
  }

  .counter-item { padding: 28px 20px; }

  .testimonial-card { padding: 28px 22px; }

  .accordion-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .timeline__step-arrow { display: none; }
}