/* ============================================================
   NS CONTABILIDADE — STYLESHEET
   Índice:
   1. Variáveis e reset
   2. Tipografia base
   3. Utilitários (container, botões, eyebrow/title)
   4. Header
   5. Hero
   6. Sobre / Estatísticas
   7. Serviços
   8. Equipe
   9. Diferenciais
   10. Depoimentos
   11. Como Funciona
   12. CTA final
   13. Contato
   14. Footer
   15. Scroll reveal
   16. Responsivo
   ============================================================ */

/* ============================================================
   1. VARIÁVEIS E RESET
   ============================================================ */
:root {
  --color-primary: #1B2A6B;
  --color-primary-dark: #131f4f;
  --color-accent: #C9A84C;
  --color-accent-light: #E8C96A;
  --color-text-white: #FFFFFF;
  --color-text-dark: #1B2A6B;
  --color-text-body: #4A4E63;
  --color-bg-light: #FFFFFF;
  --color-bg-alt: #F5F6FA;
  --color-border: #E2E4EE;

  --font-display: 'Playfair Display', serif;
  --font-body: 'DM Sans', sans-serif;

  --header-height: 84px;
  --radius: 6px;
  --transition: 0.3s ease;
  --shadow-soft: 0 10px 30px rgba(27, 42, 107, 0.08);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  color: var(--color-text-body);
  background-color: var(--color-bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================================
   2. TIPOGRAFIA BASE
   ============================================================ */
h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--color-text-dark);
  line-height: 1.2;
  font-weight: 600;
}

/* ============================================================
   3. UTILITÁRIOS
   ============================================================ */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section__eyebrow {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-accent);
  font-size: 1.05rem;
  margin-bottom: 12px;
}

.section__eyebrow--center {
  text-align: center;
}

.section__title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  max-width: 620px;
  margin-bottom: 24px;
}

.section__title--center {
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
  white-space: nowrap;
}

.btn--gold {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
}

.btn--gold:hover {
  background-color: var(--color-accent-light);
  box-shadow: 0 8px 20px rgba(201, 168, 76, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-white);
  border: 1.5px solid rgba(255, 255, 255, 0.6);
}

.btn--outline:hover {
  border-color: var(--color-text-white);
  background: rgba(255, 255, 255, 0.08);
}

/* ============================================================
   4. HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--color-primary);
  z-index: 1000;
  transition: box-shadow var(--transition), height var(--transition);
}

.header.is-scrolled {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
  height: 72px;
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo__image {
  height: 44px;
  width: auto;
}

.logo__mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--color-accent);
}

.logo__text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-text-white);
  letter-spacing: 0.3px;
}

.nav__list {
  display: flex;
  gap: 32px;
}

.nav__link {
  color: var(--color-text-white);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition);
}

.nav__link:hover::after {
  width: 100%;
}

.header__cta {
  padding: 12px 24px;
  font-size: 0.9rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
}

.hamburger span {
  height: 2px;
  width: 100%;
  background-color: var(--color-text-white);
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   5. HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
}

.hero__bg {
  position: absolute;
  top: -8%;
  left: 0;
  width: 100%;
  height: 116%;
  background-size: cover;
  background-position: center;
  will-change: transform;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(19, 31, 79, 0.92) 0%, rgba(27, 42, 107, 0.85) 60%, rgba(27, 42, 107, 0.6) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero__eyebrow,
.hero__title,
.hero__subtitle,
.hero__actions {
  opacity: 0;
  transform: translateY(22px);
  animation: heroReveal 0.8s ease forwards;
}

.hero__eyebrow { animation-delay: 0.1s; }
.hero__title { animation-delay: 0.25s; }
.hero__subtitle { animation-delay: 0.4s; }
.hero__actions { animation-delay: 0.55s; }

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

.hero__eyebrow {
  color: var(--color-accent-light);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  margin-bottom: 18px;
}

.hero__title {
  color: var(--color-text-white);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  margin-bottom: 20px;
}

.hero__subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  max-width: 540px;
  margin-bottom: 36px;
}

.hero__actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

/* ============================================================
   6. SOBRE / ESTATÍSTICAS
   ============================================================ */
.about {
  padding: 110px 0;
}

.about__grid {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 90px;
}

.about__media {
  position: relative;
}

.about__photo-frame {
  position: relative;
  isolation: isolate;
  aspect-ratio: 1 / 1;
}

.about__photo-frame::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100%;
  height: 100%;
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius);
  z-index: -1;
}

.about__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.about__signature {
  margin-top: 22px;
  padding-left: 20px;
  border-left: 2px solid var(--color-accent);
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-text-dark);
}

.about__signature span {
  display: block;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--color-text-body);
  margin-top: 2px;
}

.about__credential {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding: 6px 14px;
  border: 1px solid var(--color-accent);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.3px;
}

.about__credential i {
  color: var(--color-accent);
  font-size: 1rem;
}

.about__paragraph {
  font-size: 1.02rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stats--3 {
  grid-template-columns: repeat(3, 1fr);
  max-width: 720px;
  margin: 0 auto;
}

.stat {
  position: relative;
  padding: 8px 32px;
  text-align: center;
  border-left: 1px solid var(--color-border);
}

.stat:first-child {
  border-left: none;
  padding-left: 0;
}

.stat__number,
.stat__suffix {
  font-family: var(--font-display);
  font-size: 2.8rem;
  color: var(--color-primary);
  font-weight: 700;
}

.stat__suffix {
  color: var(--color-accent);
}

.stat__label {
  margin-top: 8px;
  font-size: 0.9rem;
  color: var(--color-text-body);
}

/* ============================================================
   7. SERVIÇOS
   ============================================================ */
.services {
  padding: 110px 0;
  background-color: var(--color-bg-alt);
}

.services__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
  margin-top: 56px;
}

.card--service {
  flex: 0 1 calc((100% - 56px) / 3);
  box-sizing: border-box;
  background-color: var(--color-bg-light);
  padding: 40px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card--service:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
  border-color: var(--color-accent);
}

.card--service:hover .card__icon {
  transform: scale(1.12) rotate(-4deg);
  color: var(--color-primary);
}

.card__icon {
  display: inline-block;
  font-size: 2.2rem;
  color: var(--color-accent);
  margin-bottom: 20px;
  transition: transform var(--transition), color var(--transition);
}

.card__title {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.card__text {
  font-size: 0.95rem;
}

/* ============================================================
   8. EQUIPE
   ============================================================ */
.team {
  padding: 110px 0;
}

.team-card--lead {
  max-width: 240px;
  margin: 0 auto 48px;
}

.team-lead__badge {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.team-lead__credential {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-top: 4px;
}

.team-lead__credential i {
  color: var(--color-accent);
  font-size: 0.95rem;
}

.team__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.team-card {
  max-width: 240px;
  margin: 0 auto;
  text-align: center;
}

.team-card__photo-wrap {
  overflow: hidden;
  border-radius: var(--radius);
  margin-bottom: 18px;
}

.team-card__photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: grayscale(15%);
  transition: transform 0.5s ease, filter var(--transition);
}

.team-card:hover .team-card__photo {
  transform: scale(1.06);
  filter: grayscale(0%);
}

.team-card__name {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.team-card__role {
  font-size: 0.85rem;
  color: var(--color-text-body);
  margin-bottom: 10px;
}

.team-card__linkedin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
  font-size: 1.1rem;
  transition: background-color var(--transition), color var(--transition);
}

.team-card__linkedin:hover {
  background-color: var(--color-primary);
  color: var(--color-text-white);
}

/* ============================================================
   9. DIFERENCIAIS
   ============================================================ */
.differentials {
  position: relative;
  padding: 110px 0;
  overflow: hidden;
}

.differentials__bg {
  position: absolute;
  inset: 0;
  background-color: var(--color-primary);
  background-size: cover;
  background-position: center;
}

.differentials__bg-mobile {
  display: none;
  position: absolute;
  inset: 0;
  flex-direction: column;
}

.differentials__bg-mobile-item {
  flex: 1;
  background-size: cover;
  background-position: center;
}

.differentials__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(19, 31, 79, 0.94) 0%, rgba(27, 42, 107, 0.9) 55%, rgba(27, 42, 107, 0.78) 100%);
}

.differentials__content {
  position: relative;
  z-index: 1;
}

.differentials .section__title,
.differentials .section__eyebrow {
  color: var(--color-text-white);
}

.differentials .section__eyebrow {
  color: var(--color-accent-light);
}

.differentials__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 56px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.differential {
  position: relative;
  flex: 0 0 33.3333%;
  max-width: 33.3333%;
  box-sizing: border-box;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 44px 36px;
  background-color: rgba(19, 31, 79, 0.5);
  backdrop-filter: blur(2px);
  overflow: hidden;
  transition: background-color var(--transition);
}

.differential:hover {
  background-color: rgba(19, 31, 79, 0.72);
}

.differential__number {
  position: absolute;
  top: 8px;
  right: 20px;
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.06);
  line-height: 1;
  transition: color var(--transition);
}

.differential:hover .differential__number {
  color: rgba(201, 168, 76, 0.14);
}

.differential__icon-wrap {
  position: relative;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--color-accent);
  border-radius: 50%;
  margin-bottom: 22px;
  transition: background-color var(--transition), transform var(--transition);
}

.differential:hover .differential__icon-wrap {
  background-color: var(--color-accent);
  transform: scale(1.06);
}

.differential__icon {
  font-size: 1.5rem;
  color: var(--color-accent);
  transition: color var(--transition);
}

.differential:hover .differential__icon {
  color: var(--color-primary-dark);
}

.differential__title {
  position: relative;
  color: var(--color-text-white);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.differential__text {
  position: relative;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.92rem;
}

/* ============================================================
   10. DEPOIMENTOS
   ============================================================ */
.testimonials {
  padding: 110px 0;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.testimonial-card {
  background-color: var(--color-bg-alt);
  padding: 36px 28px;
  border-radius: var(--radius);
  position: relative;
}

.testimonial-card__quote-icon {
  font-size: 1.6rem;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.testimonial-card__result {
  font-family: var(--font-display);
  color: var(--color-primary);
  font-size: 1.05rem;
  margin-bottom: 14px;
  line-height: 1.4;
}

.testimonial-card__text {
  font-size: 0.92rem;
  margin-bottom: 20px;
}

.testimonial-card__author {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
}

.testimonial-card__name {
  font-weight: 700;
  color: var(--color-text-dark);
  font-size: 0.92rem;
}

.testimonial-card__company {
  font-size: 0.85rem;
}

/* ============================================================
   11. COMO FUNCIONA
   ============================================================ */
.process {
  padding: 110px 0;
  background-color: var(--color-bg-alt);
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 56px;
  position: relative;
}

.process-step {
  text-align: left;
  padding: 8px;
}

.process-step__number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.process-step__title {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.process-step__text {
  font-size: 0.92rem;
}

/* ============================================================
   12. CTA FINAL
   ============================================================ */
.cta-final {
  padding: 90px 0;
  background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.cta-final__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.cta-final__title {
  color: var(--color-text-white);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  max-width: 720px;
}

/* ============================================================
   13. CONTATO
   ============================================================ */
.contact {
  padding: 110px 0;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 56px;
  align-items: start;
}

.contact__map iframe {
  width: 100%;
  height: 320px;
  border-radius: var(--radius);
  margin-bottom: 24px;
}

.contact__info li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.contact__info i {
  color: var(--color-accent);
  font-size: 1.1rem;
}

.contact__form {
  background-color: var(--color-bg-alt);
  padding: 36px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-dark);
}

.form__group input,
.form__group select,
.form__group textarea {
  font-family: var(--font-body);
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-bg-light);
  font-size: 0.92rem;
  color: var(--color-text-body);
  transition: border-color var(--transition);
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form__submit {
  justify-content: center;
  margin-top: 8px;
}

/* ============================================================
   14. FOOTER
   ============================================================ */
.footer {
  position: relative;
  background-color: var(--color-primary-dark);
  padding: 72px 0 0;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-light) 50%, var(--color-accent) 100%);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 56px;
}

.footer__col--brand .footer__tagline {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  margin: 18px 0 22px;
  max-width: 280px;
}

.footer__heading {
  color: var(--color-text-white);
  font-size: 1rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer__heading::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background-color: var(--color-accent);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
  transition: color var(--transition), padding-left var(--transition);
}

.footer__links a:hover {
  color: var(--color-accent-light);
  padding-left: 4px;
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

.footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
  line-height: 1.5;
}

.footer__contact i {
  color: var(--color-accent);
  font-size: 1.05rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.footer__contact a {
  color: rgba(255, 255, 255, 0.72);
  transition: color var(--transition);
}

.footer__contact a:hover {
  color: var(--color-accent-light);
}

.footer__cta {
  padding: 12px 22px;
  font-size: 0.88rem;
}

.logo--footer .logo__image {
  height: 40px;
}

.footer__social {
  display: flex;
  gap: 16px;
}

.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--color-text-white);
  font-size: 1.05rem;
  transition: background-color var(--transition), border-color var(--transition);
}

.footer__social a:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
}

.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__copyright {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.82rem;
}

.footer__credit {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.82rem;
  font-style: italic;
}

/* ============================================================
   15. SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease var(--reveal-delay, 0s), transform 0.7s ease var(--reveal-delay, 0s);
}

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

/* Escalonamento por posição dentro do grid (definido também via JS como fallback) */
.services__grid .reveal:nth-child(2),
.team__grid .reveal:nth-child(2),
.differentials__grid .reveal:nth-child(2),
.testimonials__grid .reveal:nth-child(2),
.process__steps .reveal:nth-child(2) { --reveal-delay: 0.08s; }

.services__grid .reveal:nth-child(3),
.team__grid .reveal:nth-child(3),
.differentials__grid .reveal:nth-child(3),
.testimonials__grid .reveal:nth-child(3),
.process__steps .reveal:nth-child(3) { --reveal-delay: 0.16s; }

.services__grid .reveal:nth-child(4),
.team__grid .reveal:nth-child(4),
.process__steps .reveal:nth-child(4) { --reveal-delay: 0.24s; }

.services__grid .reveal:nth-child(5) { --reveal-delay: 0.32s; }
.services__grid .reveal:nth-child(6) { --reveal-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .hero__eyebrow,
  .hero__title,
  .hero__subtitle,
  .hero__actions {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }
}

/* ============================================================
   17. BOTÃO FLUTUANTE WHATSAPP
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  background-color: #25D366;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  z-index: 900;
  transition: transform var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-color: #25D366;
  animation: whatsappPulse 2.4s ease-out infinite;
  z-index: -1;
}

@keyframes whatsappPulse {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  100% {
    transform: scale(1.8);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float::before {
    animation: none;
  }
}

@media (max-width: 640px) {
  .differentials__bg {
    display: none;
  }

  .differentials__bg-mobile {
    display: flex;
  }

  .whatsapp-float {
    width: 52px;
    height: 52px;
    font-size: 1.6rem;
    bottom: 18px;
    right: 18px;
  }
}

/* ============================================================
   18. RESPONSIVO
   ============================================================ */
@media (max-width: 992px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__media {
    max-width: 360px;
    margin: 0 auto;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 32px;
  }

  .stats--3 {
    grid-template-columns: repeat(3, 1fr);
    max-width: 100%;
  }

  .stat:nth-child(3) {
    border-left: none;
  }

  .contact__grid {
    grid-template-columns: 1fr;
  }

  .testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card--service {
    flex-basis: calc((100% - 28px) / 2);
  }

  .team__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .differential {
    flex-basis: 50%;
    max-width: 50%;
  }

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

  .process__steps {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--color-primary);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }

  .nav.is-open {
    max-height: 400px;
  }

  .nav__list {
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 24px;
  }

  .nav__list li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav__link {
    display: block;
    padding: 14px 0 14px 0;
    position: relative;
    transition: color var(--transition), padding-left var(--transition);
  }

  .nav__link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition);
  }

  .nav__link::after {
    display: none;
  }

  .nav__link:hover,
  .nav__link:active {
    color: var(--color-accent-light);
    padding-left: 14px;
  }

  .nav__link:hover::before,
  .nav__link:active::before {
    width: 8px;
  }

  .logo__image {
    height: 34px;
  }

  .header__cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .stats--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .about,
  .services,
  .team,
  .differentials,
  .testimonials,
  .process,
  .contact {
    padding: 64px 0;
  }

  .cta-final {
    padding: 56px 0;
  }

  .about__grid {
    margin-bottom: 56px;
  }

  .services__grid,
  .team__grid,
  .differentials__grid,
  .testimonials__grid,
  .process__steps {
    margin-top: 36px;
  }

  .about__media {
    max-width: none;
    margin-left: -16px;
    margin-right: -16px;
  }

  .about__photo-frame::before {
    top: -12px;
    left: -12px;
  }

  .testimonials__grid,
  .team__grid,
  .process__steps,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .card--service {
    flex-basis: 100%;
  }

  .differential {
    flex-basis: 100%;
    max-width: 100%;
  }

  .footer__bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .stats {
    grid-template-columns: 1fr;
    row-gap: 24px;
  }

  .stat {
    border-left: none !important;
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
  }

  .stat:first-child {
    border-top: none;
    padding-top: 0;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-final__title {
    font-size: 1.5rem;
  }
}