/* ================================================
   KyArteChoco — style.css
   Mobile-first · HTML/CSS/JS puro
   ================================================ */

/* ── Google Fonts ──────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400;1,600;1,700&family=DM+Sans:wght@300;400;500&display=swap');

/* ── Variáveis ─────────────────────────────────── */
:root {
  --cor-fundo: #FAF7F4;
  --cor-marrom-escuro: #3B1F0E;
  --cor-marrom-medio: #7B4A2D;
  --cor-marrom-claro: #C4956A;
  --cor-dourado: #C8A97E;
  --cor-texto: #2C1A0E;
  --cor-texto-suave: #7B6B60;
  --cor-borda: #E8DDD5;

  --fonte-display: 'Cormorant Garamond', Georgia, serif;
  --fonte-corpo: 'DM Sans', system-ui, sans-serif;

  --transicao: 0.3s ease;
  --raio: 4px;
  --sombra-suave: 0 2px 16px rgba(59, 31, 14, 0.08);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  background: var(--cor-fundo);
}

body {
  font-family: var(--fonte-corpo);
  font-weight: 400;
  color: var(--cor-texto);
  background-color: var(--cor-fundo);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

img {
  width: 100%;
  height: auto;
  display: block;
}

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

ul {
  list-style: none;
}

button {
  font-family: var(--fonte-corpo);
  cursor: pointer;
  border: none;
  background: none;
}

/* ── Utilitários ───────────────────────────────── */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.secao {
  padding: 4rem 0;
}

.secao-titulo {
  font-family: var(--fonte-display);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 600;
  color: var(--cor-marrom-escuro);
  text-align: center;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.secao-subtitulo {
  font-size: 1rem;
  color: var(--cor-texto-suave);
  text-align: center;
  margin-bottom: 2.5rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.linha-decorativa {
  width: 48px;
  height: 1px;
  background: var(--cor-dourado);
  margin: 1rem auto 2rem;
}

/* ── Animações de entrada ──────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ── Botões ────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--fonte-corpo);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--raio);
  transition: background var(--transicao), color var(--transicao), border-color var(--transicao), transform var(--transicao);
  min-height: 48px;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primario {
  background: var(--cor-marrom-escuro);
  color: #FAF7F4;
}

.btn-primario:hover {
  background: var(--cor-marrom-medio);
}

.btn-outline {
  background: transparent;
  color: #FAF7F4;
  border: 1px solid rgba(250, 247, 244, 0.6);
}

.btn-outline:hover {
  background: rgba(250, 247, 244, 0.1);
  border-color: #FAF7F4;
}

.btn-dourado {
  background: var(--cor-dourado);
  color: var(--cor-marrom-escuro);
}

.btn-dourado:hover {
  background: var(--cor-marrom-claro);
}

/* ── Navbar ────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: 68px;
  display: flex;
  align-items: center;
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, color 0.3s ease;
}

.navbar.scrolled {
  background: var(--cor-fundo);
  box-shadow: 0 1px 12px rgba(59,31,14,0.10);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Logo clara no fundo escuro (estado inicial) */
.navbar-logo img {
  height: 44px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter var(--transicao);
}

/* Logo na cor original no fundo claro (após scroll) */
.navbar.scrolled .navbar-logo img {
  filter: none;
}

.navbar-logo-placeholder {
  height: 44px;
  display: flex;
  align-items: center;
  font-family: var(--fonte-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cor-fundo);
  transition: color var(--transicao);
  letter-spacing: 0.02em;
}

.navbar.scrolled .navbar-logo-placeholder {
  color: var(--cor-marrom-escuro);
}

.navbar-links {
  display: none;
  gap: 2rem;
}

.navbar-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(250, 247, 244, 0.9);
  transition: color var(--transicao);
  position: relative;
  padding-bottom: 2px;
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--cor-dourado);
  transition: width var(--transicao);
}

.navbar-links a:hover::after,
.navbar-links a.ativo::after {
  width: 100%;
}

.navbar.scrolled .navbar-links a {
  color: var(--cor-texto);
}

.navbar.scrolled .navbar-links a:hover,
.navbar.scrolled .navbar-links a.ativo {
  color: var(--cor-marrom-medio);
}

/* Hambúrguer */
.navbar-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  cursor: pointer;
}

.navbar-hamburger span {
  display: block;
  height: 1.5px;
  background: var(--cor-fundo);
  border-radius: 1px;
  transition: transform var(--transicao), opacity var(--transicao), background var(--transicao);
  transform-origin: center;
}

.navbar.scrolled .navbar-hamburger span {
  background: var(--cor-marrom-escuro);
}

.navbar-hamburger.aberto span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.navbar-hamburger.aberto span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.navbar-hamburger.aberto span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Menu mobile drawer */
.navbar-mobile {
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: var(--cor-fundo);
  border-bottom: 1px solid var(--cor-borda);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  transform: translateY(-200%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 999;
  box-shadow: var(--sombra-suave);
}

.navbar-mobile.aberto {
  transform: translateY(0);
}

.navbar-mobile a {
  display: block;
  padding: 1rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--cor-texto);
  border-bottom: 1px solid var(--cor-borda);
  transition: color var(--transicao);
  letter-spacing: 0.04em;
}

.navbar-mobile a:last-child {
  border-bottom: none;
}

.navbar-mobile a:hover,
.navbar-mobile a.ativo {
  color: var(--cor-marrom-medio);
}

/* ── WhatsApp Flutuante ─────────────────────────── */
.whatsapp-flutuante {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: transform var(--transicao), box-shadow var(--transicao);
  animation: pulse-wpp 2.5s infinite;
}

.whatsapp-flutuante:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
  animation: none;
}

.whatsapp-flutuante svg {
  width: 28px;
  height: 28px;
}

.whatsapp-tooltip {
  display: none;
  position: absolute;
  right: 68px;
  background: var(--cor-marrom-escuro);
  color: #FAF7F4;
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--raio);
  white-space: nowrap;
}

.whatsapp-flutuante:hover .whatsapp-tooltip {
  display: block;
}

@keyframes pulse-wpp {
  0%, 100% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 32px rgba(37, 211, 102, 0.65); }
}

/* ── Rodapé ────────────────────────────────────── */
.rodape {
  background: var(--cor-marrom-escuro);
  color: #D6C9BE;
  padding: 3rem 0 1.5rem;
  position: relative;
}

.rodape::before {
  content: '';
  position: absolute;
  top: 0;
  left: 1.25rem;
  right: 1.25rem;
  height: 1px;
  background: var(--cor-dourado);
  opacity: 0.5;
}

.rodape-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.rodape img {
  filter: brightness(0) invert(1);
}

.rodape-logo-placeholder {
  font-family: var(--fonte-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: #FAF7F4;
  margin-bottom: 0.5rem;
}

.rodape-slogan {
  font-size: 0.85rem;
  font-style: italic;
  color: rgba(214, 201, 190, 0.75);
  line-height: 1.5;
}

.rodape-titulo-coluna {
  font-family: var(--fonte-corpo);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cor-dourado);
  margin-bottom: 1rem;
}

.rodape-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.rodape-links a {
  font-size: 0.9rem;
  color: #D6C9BE;
  transition: color var(--transicao);
}

.rodape-links a:hover {
  color: var(--cor-dourado);
}

.rodape-social {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.rodape-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(200, 169, 126, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transicao), background var(--transicao);
}

.rodape-social a:hover {
  border-color: var(--cor-dourado);
  background: rgba(200, 169, 126, 0.15);
}

.rodape-social svg {
  width: 18px;
  height: 18px;
}

.rodape-copy {
  border-top: 1px solid rgba(200, 169, 126, 0.2);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(214, 201, 190, 0.5);
}

/* ── Hero de página interna ────────────────────── */
.hero-pagina {
  padding-top: 68px;
  min-height: 40vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--cor-marrom-escuro) 0%, #5C2E10 100%);
  position: relative;
  overflow: hidden;
}

.hero-pagina::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
}

.hero-pagina-conteudo {
  position: relative;
  z-index: 1;
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.hero-pagina-titulo {
  font-family: var(--fonte-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  color: #FAF7F4;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.hero-pagina-sub {
  font-size: 1rem;
  color: rgba(250, 247, 244, 0.75);
  max-width: 480px;
}

/* ── Desktop ───────────────────────────────────── */
@media (min-width: 768px) {
  .secao {
    padding: 5.5rem 0;
  }

  .rodape-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .navbar-hamburger {
    display: none;
  }

  .navbar-links {
    display: flex;
  }
}

@media (min-width: 1024px) {
  .secao {
    padding: 7rem 0;
  }
}

/* ================================================
   MOBILE REFINEMENTS (≤ 767px)
   Pensado especificamente para 360–414px de largura.
   ================================================ */
@media (max-width: 767px) {

  /* ── Container / seções ──────────────────────── */
  .container {
    padding: 0 1.25rem;
  }

  .secao {
    padding: 3rem 0;
  }

  .secao-titulo {
    font-size: clamp(1.6rem, 7vw, 2rem);
    padding: 0 0.5rem;
  }

  .secao-subtitulo {
    font-size: 0.95rem;
    margin-bottom: 2rem;
    padding: 0 0.5rem;
  }

  /* ── Botões: pegada confortável de toque ─────── */
  .btn {
    min-height: 52px;
    font-size: 0.85rem;
    padding: 0.875rem 1.5rem;
  }

  /* ── Navbar ──────────────────────────────────── */
  .navbar {
    height: 64px;
  }

  .navbar-inner {
    padding: 0 1.25rem;
  }

  .navbar-logo img {
    height: 38px;
  }

  .navbar-hamburger {
    width: 44px;
    height: 44px;
    padding: 8px;
    margin-right: -0.5rem; /* compensa hit area visualmente */
  }

  /* Overlay escuro atrás do menu mobile */
  .navbar-mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(20, 8, 2, 0.55);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .navbar-mobile-overlay.aberto {
    opacity: 1;
    pointer-events: auto;
  }

  /* Drawer */
  .navbar-mobile {
    top: 64px;
    padding: 0.5rem 1.25rem 1.5rem;
    box-shadow: 0 12px 24px rgba(30, 8, 2, 0.18);
    background: var(--cor-fundo);
  }

  .navbar-mobile a {
    min-height: 56px;
    display: flex;
    align-items: center;
    padding: 0.9rem 0.25rem;
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: 0.03em;
  }

  /* ── Hero de página interna ──────────────────── */
  .hero-pagina {
    min-height: 30vh;
    padding-top: 64px;
  }

  .hero-pagina-conteudo {
    padding-top: 2rem;
    padding-bottom: 2rem;
    text-align: center;
  }

  .hero-pagina-titulo {
    font-size: clamp(1.9rem, 8vw, 2.4rem);
    margin-bottom: 0.5rem;
  }

  .hero-pagina-sub {
    font-size: 0.95rem;
    margin: 0 auto;
  }

  /* ── WhatsApp flutuante ──────────────────────── */
  .whatsapp-flutuante {
    bottom: 1rem;
    right: 1rem;
    width: 54px;
    height: 54px;
  }

  .whatsapp-flutuante svg {
    width: 26px;
    height: 26px;
  }

  .whatsapp-tooltip {
    display: none !important;
  }

  /* ── Rodapé ──────────────────────────────────── */
  .rodape img {
    margin: 0 auto 0.75rem;
  }

  .rodape-grid > div:first-child {
    text-align: center;
  }

  .rodape {
    padding: 3rem 0 1.25rem;
    text-align: center;
  }

  .rodape::before {
    left: 1.25rem;
    right: 1.25rem;
  }

  .rodape-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
    text-align: center;
  }

  .rodape-logo-placeholder {
    font-size: 1.5rem;
  }

  .rodape-slogan {
    max-width: 320px;
    margin: 0 auto;
  }

  .rodape-titulo-coluna {
    margin-bottom: 1.25rem;
  }

  .rodape-links {
    align-items: center;
    gap: 0.875rem;
  }

  .rodape-links a {
    font-size: 0.95rem;
    min-height: 28px;
    display: inline-flex;
    align-items: center;
  }

  .rodape-social {
    justify-content: center;
    gap: 1.25rem;
    margin-top: 0.75rem;
  }

  .rodape-social a {
    width: 44px;
    height: 44px;
  }

  .rodape-copy {
    padding-top: 1.5rem;
    font-size: 0.78rem;
    padding-left: 1rem;
    padding-right: 1rem;
  }
}