:root {
  --vinho: #4A1828;
  --ameixa: #291A25;
  --marfim: #F4EFE7;
  --grafite: #292727;
  --champagne: #B79A72;
  --taupe: #A89B91;

  --serif: Georgia, 'Times New Roman', Times, serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--marfim);
  color: var(--grafite);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

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

h1, h2, h3 {
  font-family: var(--serif);
  color: var(--ameixa);
  line-height: 1.15;
  margin: 0 0 20px;
  font-weight: 400;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 4.6vw, 4rem); }
h2 { font-size: clamp(1.9rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 16px; }

a { color: inherit; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  color: var(--champagne);
  font-weight: 600;
  margin-bottom: 16px;
}

.center { text-align: center; }

.lede { font-size: 1.18rem; color: #4b4646; max-width: 46ch; }
.lede-sm { font-size: 1.05rem; color: #4b4646; max-width: 60ch; margin-left: auto; margin-right: auto; }

/* ---- Textura de grão sutil (sofisticação editorial) ---- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- Reveal on scroll ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

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

.pilares .pilar[data-reveal] { transition-delay: 0.05s; }
.pilares .pilar[data-reveal]:nth-child(2) { transition-delay: 0.18s; }
.pilares .pilar[data-reveal]:nth-child(3) { transition-delay: 0.31s; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

.btn {
  display: inline-block;
  padding: 15px 32px;
  border-radius: 2px;
  text-decoration: none;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--vinho);
  color: var(--marfim);
}

.btn-primary:hover { opacity: 0.9; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--grafite);
  color: var(--grafite);
  padding: 14px 31px;
}

.btn-ghost:hover { background: var(--grafite); color: var(--marfim); }

.btn-ghost-light {
  background: transparent;
  border: 1px solid rgba(244, 239, 231, 0.55);
  color: var(--marfim);
  padding: 14px 31px;
}

.btn-ghost-light:hover { background: var(--marfim); color: var(--ameixa); }

.btn-small {
  background: transparent;
  border: 1px solid var(--vinho);
  color: var(--vinho);
  padding: 9px 20px;
  font-size: 0.85rem;
}

.btn-small:hover { background: var(--vinho); color: var(--marfim); }

.btn-large { padding: 19px 44px; font-size: 1.05rem; }

.hero-actions, .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 18px;
}

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

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--marfim);
  border-bottom: 1px solid rgba(168, 155, 145, 0.25);
  transition: box-shadow 0.3s ease;
}

.topbar.is-scrolled { box-shadow: 0 6px 24px rgba(41, 26, 37, 0.06); }

.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--ameixa);
  text-decoration: none;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--grafite);
  font-size: 0.92rem;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px;
  background: var(--vinho);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a:hover { color: var(--vinho); }

/* Hero */
.hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 88px 32px 60px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
  position: relative;
}

.hero-note {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--taupe);
}

.hero-image, .sobre-image, .miec-image, .proximidade-image {
  overflow: hidden;
  border-radius: 3px;
}

.hero-image img, .sobre-image img, .miec-image img, .proximidade-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
}

.hero-image { aspect-ratio: 4 / 5; }
.sobre-image, .miec-image { aspect-ratio: 4 / 5; }
.proximidade-image { aspect-ratio: 3 / 4; }

.scroll-cue {
  position: absolute;
  left: 32px;
  bottom: 8px;
  width: 22px;
  height: 36px;
  border: 1px solid var(--taupe);
  border-radius: 12px;
  display: none;
}

.scroll-cue span {
  display: block;
  width: 3px;
  height: 8px;
  background: var(--vinho);
  border-radius: 2px;
  margin: 6px auto 0;
  animation: cueMove 1.8s ease-in-out infinite;
}

@keyframes cueMove {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(10px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

@media (min-width: 861px) { .scroll-cue { display: block; } }

/* Marquee */
.marquee {
  background: var(--vinho);
  color: var(--marfim);
  overflow: hidden;
  padding: 22px 0;
  white-space: nowrap;
}

.marquee-track {
  display: inline-flex;
  gap: 18px;
  font-family: var(--serif);
  font-size: 1.4rem;
  animation: marqueeScroll 32s linear infinite;
}

.marquee-track span { flex: 0 0 auto; }
.marquee-track span:nth-child(odd) { color: var(--champagne); }

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

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

/* Sobre / MIEC - split sections */
.sobre, .miec {
  max-width: 1180px;
  margin: 0 auto;
  padding: 100px 32px;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: center;
}

.miec { grid-template-columns: 1.15fr 0.85fr; }
.miec .miec-image { order: 2; }

/* Método */
.metodo {
  background: #ece4d6;
  padding: 100px 32px;
}

.metodo > h2, .metodo > .lede-sm, .metodo > .eyebrow { max-width: 720px; margin-left: auto; margin-right: auto; }

.pilares {
  max-width: 1080px;
  margin: 56px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.pilar {
  background: var(--marfim);
  padding: 40px 30px;
  border-top: 2px solid var(--champagne);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.pilar:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(41, 26, 37, 0.1);
}

.pilar-num {
  font-family: var(--serif);
  color: var(--champagne);
  font-size: 1.7rem;
}

/* Proximidade */
.proximidade {
  max-width: 1180px;
  margin: 0 auto;
  padding: 100px 32px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  align-items: center;
}

.proximidade-frases blockquote {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  color: var(--ameixa);
  margin: 0 0 36px;
  padding-left: 26px;
  border-left: 2px solid var(--champagne);
}

/* CTA final */
.cta-final {
  background: var(--ameixa);
  background-image: radial-gradient(circle at 20% 20%, rgba(74, 24, 40, 0.6), transparent 55%);
  color: var(--marfim);
  text-align: center;
  padding: 110px 32px;
}

.cta-final h2 {
  color: var(--marfim);
  max-width: 720px;
  margin: 0 auto 36px;
}

/* Rodapé */
.rodape { padding: 32px; border-top: 1px solid rgba(168, 155, 145, 0.3); }

.rodape-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--taupe);
}

.rodape-links { display: flex; gap: 20px; }
.rodape-inner a { text-decoration: none; color: var(--taupe); }
.rodape-inner a:hover { color: var(--vinho); }

/* WhatsApp flutuante */
.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 30;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.45);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  animation: floatPulse 2.6s ease-in-out infinite;
}

.whatsapp-float svg { width: 34px; height: 34px; }

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 14px 36px rgba(37, 211, 102, 0.55);
}

@keyframes floatPulse {
  0%, 100% { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.45); }
  50% { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.2), 0 0 0 10px rgba(37, 211, 102, 0.08); }
}

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

/* Responsivo */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .hero, .sobre, .miec, .proximidade {
    grid-template-columns: 1fr;
    padding: 56px 24px;
    gap: 32px;
  }
  .miec .miec-image { order: 0; }
  .pilares { grid-template-columns: 1fr; }
  .marquee-track { font-size: 1.1rem; }
  .whatsapp-float { right: 16px; bottom: 16px; width: 52px; height: 52px; }
  .whatsapp-float svg { width: 30px; height: 30px; }
}