/* ============================================
   NCC Novo Conceito Contábil
   Apple-like • Design system
   ============================================ */

:root {
  --color-primary: #6B72B8;
  --color-primary-hover: #5a61a8;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f5f7;
  --color-text: #1d1d1f;
  --color-text-secondary: #86868b;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 12px;
  --header-h: 3.5rem;
  --container: min(100% - 2rem, 980px);
  --container-wide: min(100% - 2rem, 1200px);
}

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

html {
  scroll-behavior: smooth;
}

/* ----- Reveal on scroll (Apple-like) ----- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease-in-out), transform 0.8s var(--ease-in-out);
  will-change: transform, opacity;
  backface-visibility: hidden;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal][data-reveal-delay="1"] { transition-delay: 80ms; }
[data-reveal][data-reveal-delay="2"] { transition-delay: 160ms; }
[data-reveal][data-reveal-delay="3"] { transition-delay: 240ms; }
[data-reveal][data-reveal-delay="4"] { transition-delay: 320ms; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(0.9375rem, 1.5vw, 1rem);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1rem;
  background: var(--color-primary);
  color: #fff;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius);
  transition: top 0.2s var(--ease-out);
}
.skip-link:focus {
  top: 1rem;
}

/* ----- Loading bar ----- */
.loadingbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 9998;
  overflow: hidden;
  background: transparent;
}
.loadingbar__bar {
  height: 100%;
  width: 30%;
  background: var(--color-primary);
  transform: translateX(-100%);
  will-change: transform;
  backface-visibility: hidden;
}
.loadingbar.is-active .loadingbar__bar {
  animation: loadingbar 0.8s var(--ease-out) forwards;
}

@keyframes loadingbar {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(200%); }
  100% { transform: translateX(500%); }
}

/* ----- Header ----- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  will-change: transform;
  backface-visibility: hidden;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.125rem;
  transition: color 0.2s var(--ease-out);
}
.brand:hover {
  color: var(--color-primary);
}
.brand__mark {
  display: block;
  flex-shrink: 0;
  border-radius: 10px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #fff;
  object-fit: contain;
  backface-visibility: hidden;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.2s var(--ease-out);
}
.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--color-primary);
}

.header__cta {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .nav { display: none; }
  .header__cta { display: none; }
}

/* ----- Main (router view) ----- */
.site-main {
  min-height: 100vh;
  padding-top: var(--header-h);
  outline: none;
}

/* Page transition */
.site-main.is-leaving [data-page] {
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.site-main.is-enter [data-page] {
  opacity: 0;
  transform: translateY(10px);
}
.site-main.is-enter.is-ready [data-page] {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

/* ----- Container ----- */
.container {
  width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container--narrow {
  max-width: 720px;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: 980px;
  cursor: pointer;
  transition: background 0.25s var(--ease-out), transform 0.2s var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}
.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-primary-hover);
}
.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn--secondary:hover {
  background: rgba(107, 114, 184, 0.08);
}
.btn--lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}
.btn--block {
  width: 100%;
}
.btn:active {
  transform: scale(0.98);
}

/* ----- Links ----- */
.link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s var(--ease-out);
}
.link--primary {
  color: var(--color-primary);
}
.link--primary:hover {
  text-decoration: underline;
}

/* ----- Hero full ----- */
.hero--full {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  perspective: 1000px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--color-bg-alt);
}
.hero__parallax {
  position: absolute;
  inset: -20%;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(107, 114, 184, 0.08) 0%, transparent 60%);
  will-change: transform;
  backface-visibility: hidden;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem 1.5rem;
  max-width: 42rem;
  margin: 0 auto;
}

.hero__visual {
  margin: 2rem auto 0;
  width: min(900px, 92vw);
  padding: 1.25rem;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.08);
  transform: translateZ(0);
  backface-visibility: hidden;
}
.hero__visual img {
  display: block;
  width: 100%;
  height: auto;
}

.hero__title {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.hero__accent {
  color: var(--color-primary);
}
.hero__lead {
  margin: 0 0 2rem;
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  line-height: 1.5;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* ----- Page hero (inner pages) ----- */
.page-hero {
  padding: 4rem 0 3rem;
  background: var(--color-bg-alt);
  text-align: center;
}
.page-hero__title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.page-hero__lead {
  margin: 0;
  font-size: 1.125rem;
  color: var(--color-text-secondary);
}

/* ----- Blocks ----- */
.block {
  padding: 4rem 0;
}
.block__title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-align: center;
}
.block__subtitle,
.block__lead {
  margin: 0 0 2rem;
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}
.block__cta {
  text-align: center;
  margin: 2rem 0 0;
}
.block--cta {
  background: var(--color-bg-alt);
  text-align: center;
}
.block--cta .block__lead {
  margin-bottom: 1.5rem;
}

/* ----- Media row ----- */
.media-row {
  display: grid;
  gap: 2rem;
  align-items: center;
  padding: 1.5rem 0 0;
}
@media (min-width: 900px) {
  .media-row {
    grid-template-columns: 1.1fr 0.9fr;
  }
}
.media-row__copy p {
  margin: 0.75rem 0 0;
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
}
.media-row__img {
  border-radius: 18px;
  background: var(--color-bg-alt);
  border: 1px solid rgba(0, 0, 0, 0.06);
  overflow: hidden;
}
.media-row__img img {
  display: block;
  width: 100%;
  height: auto;
}

/* ----- Sticky story (Apple-like) ----- */
.block--story {
  background: var(--color-bg-alt);
}
.story {
  display: grid;
  gap: 2rem;
  align-items: start;
  margin-top: 2rem;
}
@media (min-width: 980px) {
  .story {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }
}
.story__visual {
  position: relative;
}
@media (min-width: 980px) {
  .story__visual {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
  }
}
.story__frame {
  position: absolute;
  inset: 0;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.10);
  transform: translateZ(0);
}
.story__img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  border-radius: 24px;
  padding: 1.25rem;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out);
  will-change: transform, opacity;
  backface-visibility: hidden;
}
.story__visual.is-fading .story__img {
  opacity: 0;
  transform: translateY(6px);
}
.story__steps {
  display: grid;
  gap: 1.25rem;
}
.story-step {
  padding: 1.25rem 1.25rem 1.25rem 1.25rem;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: rgba(255, 255, 255, 0.72);
}
.story-step.is-active {
  border-color: rgba(107, 114, 184, 0.35);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.08);
}
.story-step__title {
  margin: 0 0 0.35rem;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.story-step__text {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 1rem;
}

/* ----- Showcase rail (scroll-snap) ----- */
.block--showcase {
  background: var(--color-bg);
}
.showcase {
  margin-top: 1.75rem;
}
.showcase__viewport {
  overflow: hidden;
}
.showcase-scroll {
  position: relative;
  /* height é calculada via JS para “prender” até o último card */
}
.showcase-scroll__sticky {
  position: sticky;
  top: calc(var(--header-h) + 0.5rem);
}
.showcase__rail {
  display: flex;
  gap: 1.25rem;
  padding: 0.5rem 0.25rem 1rem;
  will-change: transform;
  backface-visibility: hidden;
}
.showcase.is-snap .showcase__rail {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  transform: none !important;
}
.showcase.is-snap .showcase__rail::-webkit-scrollbar { display: none; }
.showcase-card {
  scroll-snap-align: start;
  flex: 0 0 min(420px, 85vw);
  background: var(--color-bg-alt);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 20px;
  padding: 1.25rem;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  will-change: transform;
  backface-visibility: hidden;
}
.showcase-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.10);
}
.showcase-card__img {
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.06);
  margin-bottom: 1rem;
}
.showcase-card__img img {
  display: block;
  width: 100%;
  height: auto;
}
.showcase-card__title {
  margin: 0 0 0.35rem;
  font-size: 1.125rem;
  font-weight: 600;
}
.showcase-card__text {
  margin: 0;
  color: var(--color-text-secondary);
}
.showcase__dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.showcase__dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.16);
  border: none;
  padding: 0;
  cursor: pointer;
}
.showcase__dot.is-active {
  background: var(--color-primary);
}

/* ----- Accordion (FAQ) ----- */
.accordion {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius);
  background: var(--color-bg);
  overflow: hidden;
}
.accordion + .accordion { margin-top: 0.75rem; }
.accordion summary {
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion__chev {
  color: var(--color-primary);
  transition: transform 0.25s var(--ease-out);
}
.accordion[open] .accordion__chev { transform: rotate(180deg); }
.accordion__content {
  padding: 0 1.25rem 1rem;
  color: var(--color-text-secondary);
}

/* ----- Cards ----- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  display: block;
  padding: 2rem;
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid rgba(0, 0, 0, 0.06);
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  will-change: transform;
  backface-visibility: hidden;
}
.card:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}
.card__icon {
  display: block;
  margin-bottom: 1rem;
  font-size: 1.5rem;
  color: var(--color-primary);
}
.card__title {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
}
.card__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

/* ----- Services list ----- */
.service-list {
  padding: 2rem 0 4rem;
}
.service {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  align-items: start;
}
.service:first-child {
  padding-top: 0;
}
.service__number {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  opacity: 0.8;
}
.service__title {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
}
.service__text {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 1rem;
}

@media (max-width: 480px) {
  .service {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

/* ----- Tech grid ----- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  padding: 2rem 0 4rem;
}
.tech-card {
  padding: 2.5rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  will-change: transform;
  backface-visibility: hidden;
}
.tech-card:hover {
  transform: scale(1.03);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}
.tech-card__icon {
  margin-bottom: 1rem;
  font-size: 1.5rem;
  color: var(--color-primary);
}
.tech-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
}
.tech-card__text {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 1rem;
}

/* ----- Contact ----- */
.contact-wrap {
  display: grid;
  gap: 2rem;
  padding: 2rem 0 4rem;
}
@media (min-width: 640px) {
  .contact-wrap {
    grid-template-columns: 1fr 1.5fr;
    align-items: start;
  }
}
.contact-info__title {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
}
.contact-info__text,
.contact-info__meta {
  margin: 0 0 0.5rem;
  color: var(--color-text-secondary);
  font-size: 1rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(107, 114, 184, 0.2);
}
.form-input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.8;
}
.form-textarea {
  resize: vertical;
  min-height: 120px;
}
.form-feedback {
  margin: 0;
  font-size: 0.9375rem;
}
.form-feedback--success { color: #1d1d1f; }
.form-feedback--error { color: #c00; }

/* ----- Footer ----- */
.site-footer {
  padding: 3rem 0;
  background: var(--color-bg-alt);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.footer__brand {
  font-weight: 600;
  font-size: 1rem;
}
.footer__meta {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}
.footer__right {
  display: flex;
  gap: 1.5rem;
}
.footer__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.2s var(--ease-out);
}
.footer__link:hover {
  color: var(--color-primary);
}

/* ----- Utility ----- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}