/* ===================================================================
   VIBRANCE SALON - Landing Page Premium
   Mobile-first. Sem frameworks. Performance e conversão em primeiro lugar.
=================================================================== */

:root {
  /* Editorial claro: fundo off-white quente, texto grafite, acento terracota */
  --color-bg: #faf8f5;
  --color-surface: #f2ede6;
  --color-surface-2: #ebe4da;
  --color-ink: #2a2622;
  --color-ink-soft: #6b6459;
  --color-white: #faf8f5;
  --color-dark: #1c1a17;
  --color-dark-soft: #262320;
  --color-gold: #b8763e;
  --color-gold-soft: #a3672f;
  --color-bronze: #8a6a4f;

  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Manrope', sans-serif;

  --container-w: 1180px;
  --radius: 4px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul, li { list-style: none; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.15; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* Respeita usuários com preferência de menos movimento */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== PLACEHOLDER DE IMAGEM ===== */
.placeholder-img {
  position: relative;
  width: 100%;
  background: var(--color-surface);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.placeholder-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
}

.placeholder-img__label {
  position: relative;
  z-index: 1;
  color: var(--color-ink-soft);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 0 16px;
}

/* ===== BOTÕES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
  white-space: nowrap;
}

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

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-gold-soft);
  transform: translateY(-2px);
}

.btn--ghost {
  border: 1px solid rgba(42, 38, 34, 0.25);
  color: var(--color-ink);
  padding: 12px 24px;
  font-size: 0.85rem;
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* ===== TÍTULOS DE SEÇÃO ===== */
.eyebrow {
  color: var(--color-gold);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  text-align: center;
  margin-bottom: 16px;
}

.section-title--left { text-align: left; }

.section-subtitle {
  text-align: center;
  color: var(--color-ink-soft);
  max-width: 520px;
  margin: 0 auto 40px;
  font-size: 0.95rem;
}

/* ===== HEADER ===== */
/* Transparente sobre o Hero (fundo escuro); ganha fundo claro ao rolar,
   via .header--scrolled alternada pelo IntersectionObserver em script.js. */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}

.header--scrolled {
  background: rgba(250, 248, 245, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(42, 38, 34, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo img {
  height: 38px;
  width: auto;
}

.header__cta {
  display: none;
  transition: color var(--transition), border-color var(--transition);
}

@media (min-width: 768px) {
  .header__cta { display: inline-flex; }
}

/* Sobre o Hero (header sem fundo) o CTA precisa de contraste claro */
.header:not(.header--scrolled) .header__cta {
  border-color: rgba(250, 248, 245, 0.4);
  color: var(--color-white);
}

.header:not(.header--scrolled) .header__cta:hover,
.header:not(.header--scrolled) .header__cta:focus-visible {
  border-color: var(--color-gold-soft);
  color: var(--color-gold-soft);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

@media (min-width: 900px) {
  .hero { min-height: 100svh; }
}

.hero__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 0;
  object-fit: cover;
  object-position: center 30%;
  animation: hero-kenburns 22s ease-in-out infinite alternate;
}

/* Zoom lento e contínuo (efeito Ken Burns), sutil o suficiente para
   não competir com o texto por cima. */
@keyframes hero-kenburns {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}

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

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(28,26,23,0.2) 0%, rgba(28,26,23,0.6) 55%, rgba(28,26,23,0.94) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-bottom: 64px;
  padding-top: 140px;
}

.hero__title {
  color: var(--color-white);
  font-size: clamp(2.1rem, 7vw, 3.6rem);
  max-width: 720px;
  margin-bottom: 18px;
}

.hero__subtitle {
  color: rgba(247, 246, 244, 0.8);
  max-width: 460px;
  font-size: 1rem;
  margin-bottom: 28px;
}

.hero__cta { margin-bottom: 28px; }

.hero__proof {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.hero__proof-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-gold);
}

.hero__proof-text {
  font-size: 0.85rem;
  color: rgba(247, 246, 244, 0.7);
}

@media (min-width: 900px) {
  .hero { align-items: center; }
  .hero__content { padding-top: 0; padding-bottom: 0; }
}

/* ===== ESCOLHA SEU PROCEDIMENTO ===== */
.procedures { padding: 90px 0; background: var(--color-bg); }

.procedures__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 40px;
  justify-items: center;
}

@media (min-width: 700px) {
  .procedures__grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}

.procedure-card {
  display: block;
  width: 340px;
  max-width: 100%;
  transition: transform var(--transition);
}

.procedure-card__img {
  width: 340px;
  height: 425px;
  max-width: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius);
}

@media (min-width: 700px) {
  .procedure-card { width: 420px; }
  .procedure-card__img { width: 420px; height: 525px; }
}

.procedure-card:hover { transform: translateY(-6px); }

.procedure-card h3 {
  font-size: 1.4rem;
  margin-top: 20px;
  margin-bottom: 6px;
}

.procedure-card p {
  color: var(--color-ink-soft);
  font-size: 0.9rem;
}

/* ===== FEATURE (Mega Hair / Mechas) ===== */
.feature {
  padding: 90px 0;
  background: var(--color-surface);
}

.feature__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
  justify-items: center;
}

/* No mobile, a seção Mega Hair mostra texto/CTA antes da foto (a leitura
   chega mais rápido à mensagem); no desktop volta à ordem visual normal. */
#mega-hair .feature__content { order: -1; }

@media (min-width: 900px) {
  .feature__grid { grid-template-columns: 1fr 1fr; gap: 64px; }
  .feature--reverse .feature__grid { direction: rtl; }
  .feature--reverse .feature__content,
  .feature--reverse .feature__media { direction: ltr; }

  #mega-hair .feature__content { order: 0; }
}

.feature__media {
  width: 340px;
  height: 425px;
  max-width: 100%;
  margin: 0 auto;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius);
  justify-self: center;
}

.feature__text {
  color: var(--color-ink-soft);
  margin-bottom: 24px;
  max-width: 480px;
}

.feature__list {
  margin-bottom: 32px;
}

.feature__list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 0.92rem;
  color: var(--color-ink);
}

.feature__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  border-radius: 50%;
}

/* ===== RESULTADOS ===== */
.results { padding: 90px 0; background: var(--color-bg); }

/* Mobile: carrossel infinito mostrando 2 fotos por vez.
   .results__track duplica os 4 itens e desliza em loop via keyframes;
   a partir de 700px vira grid estático e a animação é desligada. */
.results__grid {
  margin-top: 8px;
  overflow: hidden;
}

.results__track {
  --results-item-w: 170px;
  display: flex;
  gap: 14px;
  width: max-content;
  animation: results-scroll 18s linear infinite;
  will-change: transform;
  backface-visibility: hidden;
  transform: translate3d(0, 0, 0);
}

@media (min-width: 700px) {
  .results__track { --results-item-w: 220px; }
}

.results__track > [aria-hidden="true"] {
  visibility: visible;
}

/* Desloca exatamente a largura de 4 fotos + 4 gaps (uma "volta" completa
   do conjunto original), não 50% da faixa — evita o salto/flash no loop. */
@keyframes results-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-4 * (var(--results-item-w) + 14px))); }
}

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

@media (min-width: 700px) {
  .results__grid { overflow: visible; }

  .results__track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    width: 100%;
    animation: none;
    justify-items: center;
  }

  /* Esconde as cópias duplicadas do loop mobile no grid desktop */
  .results__track > [aria-hidden="true"] { display: none; }
}

.results__img {
  flex: 0 0 auto;
  width: 170px;
  height: 226px;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius);
}

@media (min-width: 700px) {
  .results__img { width: 220px; height: 293px; }
}

/* ===== POR QUE ESCOLHER ===== */
.why { padding: 90px 0; background: var(--color-surface); }

.why__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 40px;
}

@media (min-width: 700px) {
  .why__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1100px) {
  .why__grid { grid-template-columns: repeat(4, 1fr); }
}

.why__card {
  border-top: 1px solid rgba(184, 118, 62, 0.4);
  padding-top: 20px;
}

.why__card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.why__card p {
  color: var(--color-ink-soft);
  font-size: 0.88rem;
}

/* ===== PRODUTOS ===== */
.products { padding: 90px 0; background: var(--color-bg); }

.products__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
  justify-items: center;
}

@media (min-width: 900px) {
  .products__grid { grid-template-columns: 1fr 1fr; gap: 64px; }
}

.products__img {
  width: 400px;
  height: 250px;
  max-width: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius);
}

/* ===== EQUIPE ===== */
.team { padding: 90px 0; background: var(--color-surface); }

.team__grid {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

.team__card {
  width: 300px;
  max-width: 100%;
  text-align: center;
}

.team__img {
  width: 300px;
  height: 300px;
  max-width: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius);
}

@media (min-width: 700px) {
  .team__card { width: 380px; }
  .team__img { width: 380px; height: 380px; }
}

.team__card h3 {
  font-size: 1.2rem;
  margin-top: 18px;
}

.team__card p {
  color: var(--color-ink-soft);
  font-size: 0.85rem;
  margin-top: 4px;
}

/* ===== OUTROS SERVIÇOS ===== */
.other-services { padding: 70px 0; background: var(--color-bg); }

.other-services__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 700px) {
  .other-services__list { grid-template-columns: repeat(4, 1fr); max-width: none; }
}

.other-services__list li {
  background: var(--color-surface);
  border-left: 2px solid var(--color-gold);
  border-radius: var(--radius);
  padding: 16px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-ink);
  text-align: center;
}

/* ===== AVALIAÇÕES ===== */
.reviews { padding: 90px 0; background: var(--color-surface); }

/* Carrossel infinito: .reviews__track duplica os 7 cards e desliza
   continuamente via keyframes, mesma técnica usada em Resultados. */
.reviews__grid {
  margin-top: 40px;
  overflow: hidden;
}

.reviews__track {
  --review-card-w: 280px;
  display: flex;
  align-items: stretch;
  gap: 20px;
  width: max-content;
  animation: reviews-scroll 40s linear infinite;
}

@media (min-width: 700px) {
  .reviews__track { --review-card-w: 340px; }
}

@keyframes reviews-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-7 * (var(--review-card-w) + 20px))); }
}

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

.review-card {
  flex: 0 0 auto;
  width: var(--review-card-w);
  min-height: 260px;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  padding: 28px 24px;
  border-radius: var(--radius);
  border-left: 2px solid var(--color-gold);
}

.review-card__stars {
  color: var(--color-gold);
  font-size: 0.9rem;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.review-card p {
  font-size: 0.92rem;
  color: var(--color-ink);
  margin-bottom: 16px;
}

.review-card cite {
  font-style: normal;
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  margin-top: auto;
}

/* ===== FAQ ===== */
.faq { padding: 90px 0; background: var(--color-bg); }

.faq__list {
  max-width: 700px;
  margin: 40px auto 0;
}

.faq__item {
  border-bottom: 1px solid rgba(42, 38, 34, 0.12);
  padding: 20px 0;
}

.faq__item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.98rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq__item summary::-webkit-details-marker { display: none; }

.faq__item summary::after {
  content: '+';
  color: var(--color-gold);
  font-size: 1.3rem;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq__item[open] summary::after { transform: rotate(45deg); }

.faq__item p {
  margin-top: 14px;
  color: var(--color-ink-soft);
  font-size: 0.9rem;
}

/* ===== CTA FINAL ===== */
/* Fundo escuro proposital: fecha o site com o mesmo impacto dramático do Hero. */
.cta-final {
  padding: 110px 0;
  background: var(--color-dark);
  color: var(--color-white);
  text-align: center;
}

.cta-final__title {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  margin-bottom: 14px;
}

.cta-final__subtitle {
  color: rgba(250, 248, 245, 0.7);
  margin-bottom: 32px;
}

/* ===== RODAPÉ ===== */
.footer {
  background: var(--color-dark);
  color: var(--color-white);
  border-top: 1px solid rgba(250, 248, 245, 0.08);
  padding: 60px 0 24px;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: flex-start;
}

@media (min-width: 800px) {
  .footer__inner { flex-direction: row; justify-content: space-between; align-items: center; }
}

.footer__logo {
  height: 26px;
  width: auto;
  margin-bottom: 10px;
}

.footer__brand p:last-child {
  color: rgba(250, 248, 245, 0.6);
  font-size: 0.85rem;
}

.footer__info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(250, 248, 245, 0.75);
}

.footer__info a:hover { color: var(--color-gold-soft); }

.footer__hours { color: rgba(250, 248, 245, 0.5); }

.footer__copy {
  text-align: center;
  color: rgba(250, 248, 245, 0.4);
  font-size: 0.75rem;
  margin-top: 48px;
}

/* ===== STICKY CTA MOBILE ===== */
.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(42, 38, 34, 0.1);
  box-shadow: 0 -4px 16px rgba(42, 38, 34, 0.08);
  transform: translateY(100%);
  transition: transform var(--transition);
}

.sticky-cta.is-visible { transform: translateY(0); }

.sticky-cta__btn { width: 100%; }

@media (min-width: 900px) {
  .sticky-cta { display: none; }
}

/* ===== BOTÃO FLUTUANTE DE WHATSAPP (DESKTOP) ===== */
.float-whatsapp {
  display: none;
}

@media (min-width: 900px) {
  .float-whatsapp {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    right: 32px;
    bottom: 32px;
    z-index: 90;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25d366;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    transition: transform var(--transition), box-shadow var(--transition);
  }

  .float-whatsapp:hover,
  .float-whatsapp:focus-visible {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 26px rgba(37, 211, 102, 0.5);
  }

  .float-whatsapp svg { width: 30px; height: 30px; }
}

/* ===== MICROANIMAÇÕES: reveal on scroll ===== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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