/* =====================================================================
   Sarça Comunicação & Projetos — Design System
   Paleta oficial da marca, conferida no site original (sarcacomunicacao.com.br):
   Dourado #D8A526 (acento principal), Verde-mata (fundos escuros/seções,
   presente no hero/identidade original) e Terracota (acento secundário,
   cor da terra/cacau) — combinados com Grafite (tinta de texto/títulos)
   e Papel (fundo claro).
   Tipos:   Fraunces (display) + Public Sans (texto/UI)
   ===================================================================== */

:root {
  --grafite: #1B1712;
  --grafite-2: #100D0A;
  --verde: #134A33;
  --verde-2: #0C3524;
  --papel: #FBF7EE;
  --papel-2: #F1E7CC;
  --ouro: #D8A526;
  --ouro-2: #F0C558;
  --ouro-escuro: #A87A16;
  --cacau: #8A3A1E;
  --tinta: #211C14;
  --areia: #C9B183;
  --branco: #FFFFFF;

  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body: 'Public Sans', 'Segoe UI', sans-serif;

  --radius: 4px;
  --container: 1180px;
  --transition: 320ms cubic-bezier(.22,.61,.36,1);
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--tinta);
  background: var(--papel);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 3px solid var(--ouro); outline-offset: 2px; }

h1, h2, h3, h4 { font-family: var(--font-display); color: var(--grafite); margin: 0 0 .5em; font-weight: 600; letter-spacing: -.01em; line-height: 1.16; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--cacau); font-weight: 700; margin-bottom: 14px;
}
.eyebrow::before { content: ''; width: 22px; height: 2px; background: var(--cacau); display: inline-block; }
/* Em qualquer bloco de fundo escuro, o eyebrow herdava um marrom quase invisível
   sobre o grafite — corrigido para dourado claro, com contraste adequado. */
.on-dark .eyebrow, .page-hero .eyebrow { color: var(--ouro-2); }
.on-dark .eyebrow::before, .page-hero .eyebrow::before { background: var(--ouro-2); }

/* ---------------------------------------------------------------- Botões */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 26px; border-radius: var(--radius);
  font-weight: 600; font-size: .92rem; letter-spacing: .01em;
  border: 1.5px solid transparent; cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}
.btn:hover { transform: translateY(-2px); }
.btn-ouro { background: var(--ouro); color: var(--grafite-2); }
.btn-ouro:hover { background: var(--ouro-2); }
.btn-outline { background: transparent; border-color: currentColor; color: inherit; }
.btn-outline:hover { background: rgba(255,255,255,.1); }

/* ---------------------------------------------------------------- Header */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: transparent; padding: 22px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled { background: var(--papel); padding: 12px 0; box-shadow: 0 2px 18px rgba(16,13,10,.10); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; color: var(--papel); transition: color var(--transition); }
.site-header.is-scrolled .brand { color: var(--grafite); }
.brand img { height: 40px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a { font-size: .93rem; font-weight: 600; color: var(--papel); position: relative; padding: 4px 0; transition: color var(--transition); }
.site-header.is-scrolled .main-nav a { color: var(--grafite-2); }
.main-nav a::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--ouro); transition: width var(--transition); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.nav-toggle { display: none; background: none; border: 0; color: var(--papel); font-size: 1.6rem; cursor: pointer; }
.site-header.is-scrolled .nav-toggle { color: var(--grafite); }

@media (max-width: 900px) {
  .main-nav { position: fixed; inset: 0 0 0 auto; width: min(320px,86vw); height: 100vh; background: var(--grafite); flex-direction: column; align-items: flex-start; padding: 90px 30px 30px; transform: translateX(100%); transition: transform var(--transition); }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav a { color: var(--papel) !important; font-size: 1.1rem; }
  .nav-toggle { display: block; }
}

/* ---------------------------------------------------------------- Hero */
.hero { position: relative; height: clamp(480px, 78vh, 680px); display: flex; align-items: stretch; background: var(--grafite); overflow: hidden; }
.hero-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 900ms ease; display: grid; grid-template-columns: 1fr 1fr; }
.hero-slide.is-active { opacity: 1; visibility: visible; position: relative; }
.hero-copy {
  display: flex; flex-direction: column; justify-content: center; padding: 60px 5vw; color: var(--papel); z-index: 2;
  position: relative; overflow: hidden;
}
.hero-copy::before {
  content: ''; position: absolute; top: -30%; left: -20%; width: 70%; height: 160%;
  background: radial-gradient(circle, rgba(216,165,38,.16) 0%, rgba(216,165,38,0) 68%);
  pointer-events: none;
}
.hero-copy::after {
  content: ''; position: absolute; right: 0; top: 0; bottom: 0; width: 1px;
  background: linear-gradient(180deg, rgba(216,165,38,0) 0%, rgba(216,165,38,.35) 50%, rgba(216,165,38,0) 100%);
}
.hero-copy .eyebrow { color: var(--ouro-2); position: relative; }
.hero-copy .eyebrow::before { background: var(--ouro-2); }
.hero-title { font-size: clamp(2rem, 3.6vw, 3.1rem); color: var(--papel); line-height: 1.1; max-width: 13ch; position: relative; }
.hero-title .stroke { position: relative; display: inline-block; padding: 0 .06em; }
.hero-title .stroke::after {
  content: ''; position: absolute; left: 0; bottom: .06em; height: .22em; width: 100%;
  background: var(--ouro); transform-origin: left; transform: scaleX(0);
  animation: draw-stroke 800ms 650ms cubic-bezier(.22,.61,.36,1) forwards;
  z-index: -1;
}
@keyframes draw-stroke { to { transform: scaleX(1); } }
.hero-desc { font-size: 1.02rem; max-width: 40ch; opacity: .84; margin: 16px 0 28px; position: relative; }
.hero-media { position: relative; overflow: hidden; background: var(--grafite-2); }
.hero-media::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, var(--grafite) 0%, rgba(16,13,10,0) 18%); z-index: 1; }
.hero-media::after { content: ''; position: absolute; inset: 0; box-shadow: inset 0 -80px 90px -60px rgba(16,13,10,.55); z-index: 1; }
@media (max-width: 900px) {
  .hero { height: auto; }
  .hero-slide { grid-template-columns: 1fr; }
  .hero-media { height: 42vh; order: -1; }
  .hero-copy { padding: 46px 24px 44px; }
  .hero-copy::after { display: none; }
}

.hero-dots { position: absolute; left: 6vw; bottom: 34px; display: flex; gap: 10px; z-index: 3; }
.hero-dots button { width: 30px; height: 3px; border: 0; background: rgba(246,241,225,.35); cursor: pointer; padding: 0; transition: background var(--transition); }
.hero-dots button.is-active { background: var(--ouro); }

.hero-scroll-cue {
  position: absolute; right: 6vw; bottom: 34px; z-index: 3; color: rgba(246,241,225,.7);
  display: flex; flex-direction: column; align-items: center; gap: 8px; font-size: .68rem;
  letter-spacing: .14em; text-transform: uppercase;
}
.hero-scroll-cue span { writing-mode: vertical-rl; }
.hero-scroll-cue i { width: 1px; height: 30px; background: rgba(246,241,225,.4); position: relative; overflow: hidden; }
.hero-scroll-cue i::after { content: ''; position: absolute; top: -30px; left: 0; width: 100%; height: 100%; background: var(--ouro); animation: scroll-cue 1900ms ease-in-out infinite; }
@keyframes scroll-cue { 50% { top: 0; } 100% { top: 30px; } }

/* Ken Burns sutil na imagem ativa do hero */
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 25%; transform: scale(1.06); transition: transform 7s ease; }
.hero-slide.is-active .hero-media img { transform: scale(1); }

/* ---------------------------------------------------------------- Divisor assinatura (folha/vinha) */
.canopy-divider { width: 100%; height: 46px; display: block; margin: 0; }
.canopy-divider path { stroke: var(--areia); stroke-width: 1.4; fill: none; stroke-dasharray: 1400; stroke-dashoffset: 1400; transition: stroke-dashoffset 1400ms cubic-bezier(.22,.61,.36,1); }
.canopy-divider.in-view path { stroke-dashoffset: 0; }

/* ---------------------------------------------------------------- Seções gerais */
section { padding: 96px 0; }
.section-head { max-width: 640px; margin-bottom: 52px; }
.section-head p { color: #46402f; font-size: 1.02rem; }
.on-dark { background: var(--grafite); color: var(--papel); }
.on-dark h2, .on-dark h3 { color: var(--papel); }
.on-dark .section-head p { color: rgba(246,241,225,.78); }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------------------------------------------------------------- Links rápidos (3 blocos) */
.quicklinks { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--papel-2); border: 1px solid var(--papel-2); margin-top: -80px; position: relative; z-index: 5; }
.quicklinks a { background: var(--branco); padding: 30px 26px; display: flex; flex-direction: column; gap: 6px; transition: background var(--transition); }
.quicklinks a:hover { background: var(--papel); }
.quicklinks span.num { font-family: var(--font-display); color: var(--ouro); font-size: .85rem; }
.quicklinks strong { font-family: var(--font-display); font-size: 1.15rem; color: var(--grafite); }
@media (max-width: 760px) { .quicklinks { grid-template-columns: 1fr; margin-top: 0; } }

/* ---------------------------------------------------------------- Dicas */
.dicas-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 40px; counter-reset: dica; }
.dica-card { position: relative; padding-top: 10px; }
.dica-card .step-badge { width: 44px; height: 44px; border-radius: 50%; background: var(--papel-2); color: var(--ouro-escuro); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 700; font-size: 1rem; margin-bottom: 16px; }
.dica-card .step { font-family: var(--font-display); font-size: .85rem; color: var(--cacau); letter-spacing: .12em; }
.dica-card h3 { margin-top: 8px; }
@media (max-width: 820px) { .dicas-grid { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- Portfólio */
.portfolio-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.portfolio-card { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/5; background: var(--grafite); }
.portfolio-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms ease; }
.portfolio-card:hover img { transform: scale(1.07); }
.portfolio-card .overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(16,13,10,.92) 0%, rgba(16,13,10,.08) 60%); display: flex; align-items: flex-end; padding: 22px; }
.portfolio-card .overlay span { color: var(--papel); font-family: var(--font-display); font-size: 1.05rem; line-height: 1.3; }
@media (max-width: 1000px) { .portfolio-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px) { .portfolio-grid { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- Números / impacto (full-bleed com paralaxe) */
.impact-strip { position: relative; padding: 0; overflow: hidden; background: var(--grafite); }
.impact-bg { position: absolute; inset: -8% 0; background-size: cover; background-position: center; will-change: transform; }
.impact-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(16,13,10,.86) 0%, rgba(16,13,10,.72) 100%); }
.impact-content { position: relative; z-index: 2; padding: 88px 0; }
.impact-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 30px; text-align: center; }
.impact-item .num { font-family: var(--font-display); font-size: clamp(2.4rem,5vw,3.4rem); color: var(--ouro-2); font-weight: 700; line-height: 1; }
.impact-item .label { margin-top: 10px; font-size: .84rem; letter-spacing: .05em; color: rgba(246,241,225,.82); text-transform: uppercase; }
@media (max-width: 820px) { .impact-grid { grid-template-columns: repeat(2,1fr); row-gap: 40px; } }

/* ---------------------------------------------------------------- Categorias (linhas de atuação) */
.categorias-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 28px; }
.categoria-card { text-align: left; padding: 26px 22px; border-top: 3px solid var(--ouro); background: var(--grafite-2); border-radius: var(--radius); transition: transform var(--transition), background var(--transition); }
.categoria-card:nth-child(3n+2) { border-top-color: var(--cacau); }
.categoria-card:hover { transform: translateY(-4px); background: #1f1a13; }
.categoria-card .icon-wrap { width: 52px; height: 52px; border-radius: 50%; background: rgba(216,165,38,.14); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.categoria-card .icon-wrap img { max-width: 26px; max-height: 26px; filter: brightness(0) saturate(100%) invert(72%) sepia(46%) saturate(600%) hue-rotate(1deg) brightness(102%); }
.categoria-card h3 { font-size: 1.05rem; color: var(--papel); }
.categoria-card p { font-size: .92rem; color: rgba(246,241,225,.75); }
@media (max-width: 1000px) { .categorias-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px) { .categorias-grid { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- Parceiros */
.parceiros-track { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 46px; }
.parceiros-track img { max-height: 56px; width: auto; filter: grayscale(1) opacity(.7); transition: filter var(--transition); }
.parceiros-track img:hover { filter: grayscale(0) opacity(1); }

/* ---------------------------------------------------------------- Footer */
.site-footer { background: var(--grafite-2); color: rgba(246,241,225,.85); padding: 70px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.site-footer h4 { color: var(--papel); font-size: 1rem; letter-spacing: .04em; }
.site-footer a:hover { color: var(--ouro-2); }
.footer-brand p { max-width: 34ch; opacity: .78; font-size: .93rem; }
.social-row { display: flex; gap: 14px; margin-top: 16px; }
.social-row a { width: 36px; height: 36px; border: 1px solid rgba(246,241,225,.3); border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: border-color var(--transition), background var(--transition); }
.social-row a:hover { border-color: var(--ouro); background: rgba(200,155,60,.12); }
.footer-bottom { border-top: 1px solid rgba(246,241,225,.14); padding-top: 22px; font-size: .82rem; opacity: .7; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- Botão flutuante WhatsApp */
.whatsapp-float { position: fixed; right: 22px; bottom: 22px; width: 58px; height: 58px; border-radius: 50%; background: #25D366; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 22px rgba(0,0,0,.25); z-index: 90; transition: transform var(--transition); }
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 28px; height: 28px; fill: #fff; }

/* ---------------------------------------------------------------- Página interna genérica */
.page-hero { background: var(--grafite); color: var(--papel); padding: 160px 0 70px; }
.page-hero h1 { color: var(--papel); }
.breadcrumb { font-size: .82rem; opacity: .75; margin-bottom: 12px; }
.breadcrumb a:hover { color: var(--ouro-2); }
.page-content { padding: 70px 0; }
.page-content .container { max-width: 860px; }
.page-content h2 { margin-top: 1.4em; }
.page-content img { border-radius: var(--radius); margin: 20px 0; }

/* ---------------------------------------------------------------- Vídeo incorporado (YouTube) */
.video-embed { position: relative; padding-bottom: 56.25%; height: 0; margin: 36px 0 18px; border-radius: var(--radius); overflow: hidden; background: var(--grafite-2); }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-cta { margin: 0 0 8px; }

/* ---------------------------------------------------------------- Formulário de contato */
.contato-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 60px; align-items: start; }
@media (max-width: 800px) { .contato-grid { grid-template-columns: 1fr; gap: 40px; } }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: .82rem; font-weight: 700; letter-spacing: .03em; margin-bottom: 7px; color: var(--grafite); }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 14px; border: 1.5px solid var(--papel-2); border-radius: var(--radius);
  font-family: var(--font-body); font-size: .96rem; background: var(--branco); color: var(--tinta);
  transition: border-color var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--ouro); outline: none; }
.field .error-msg { color: #b3372a; font-size: .8rem; margin-top: 5px; display: none; }
.field.has-error input, .field.has-error textarea { border-color: #b3372a; }
.field.has-error .error-msg { display: block; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

.alert { padding: 16px 18px; border-radius: var(--radius); margin-bottom: 24px; font-size: .92rem; }
.alert-success { background: #E4EFE1; color: #2A4D24; border: 1px solid #bfe0b8; }
.alert-error { background: #F7E3DF; color: #8A2C1B; border: 1px solid #edb9ab; }

/* ---------------------------------------------------------------- Utilitários */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }