/* ════════════════════════════════════════════════════════════════
   CSM REFORMAS — SISTEMA DE ANIMAÇÕES
   Elegante · Discreto · Moderno · Performático
   100% CSS + Intersection Observer (sem libs externas)
   ════════════════════════════════════════════════════════════════ */

/* ─── RESPEITO A PREFERÊNCIAS DE ACESSIBILIDADE ────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─── EASING CURVES (tokens reutilizáveis) ─────────────────────── */
:root {
  --ease-out-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-premium: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 0.2s;
  --dur-base: 0.4s;
  --dur-slow: 0.7s;
  --dur-hero: 0.9s;
}

/* ════════════════════════════════════════════════════════════════
   1. HERO — ENTRADA SUAVE (sequência coreografada)
   ════════════════════════════════════════════════════════════════ */
.hero-badge,
.hero-title, h1,
.hero-sub,
.hero-btns,
.hero-stats,
.hero-visual,
.hero-img {
  opacity: 0;
}

.hero-badge {
  animation: heroFadeUp var(--dur-slow) var(--ease-out-smooth) 0.05s forwards;
}
.hero-title, .hero h1 {
  animation: heroFadeUp var(--dur-slow) var(--ease-out-smooth) 0.15s forwards;
}
.hero-sub {
  animation: heroFadeUp var(--dur-slow) var(--ease-out-smooth) 0.28s forwards;
}
.hero-btns {
  animation: heroFadeUp var(--dur-slow) var(--ease-out-smooth) 0.40s forwards;
}
.hero-stats {
  animation: heroFadeUp var(--dur-slow) var(--ease-out-smooth) 0.52s forwards;
}
.hero-visual, .hero-img {
  animation: heroFadeScale var(--dur-hero) var(--ease-out-smooth) 0.30s forwards;
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes heroFadeScale {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Badge dot pulse — já existente, mantido sutil */
.hero-badge-dot, .badge-dot {
  animation: pulseDot 2.2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.45; transform: scale(1.35); }
}

/* ════════════════════════════════════════════════════════════════
   2. SCROLL REVEAL — fade / slide / scale sutis
   Ativado via JS adicionando .is-visible quando entra na viewport
   ════════════════════════════════════════════════════════════════ */
[data-reveal] {
  opacity: 0;
  will-change: opacity, transform;
  transition: opacity var(--dur-slow) var(--ease-out-smooth),
              transform var(--dur-slow) var(--ease-out-smooth);
}

[data-reveal="fade"] {
  transform: translateY(0);
}
[data-reveal="up"] {
  transform: translateY(28px);
}
[data-reveal="down"] {
  transform: translateY(-24px);
}
[data-reveal="left"] {
  transform: translateX(-32px);
}
[data-reveal="right"] {
  transform: translateX(32px);
}
[data-reveal="scale"] {
  transform: scale(0.94);
}
[data-reveal="scale-up"] {
  transform: translateY(20px) scale(0.95);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Stagger automático para filhos diretos com [data-reveal-group] */
[data-reveal-group] > [data-reveal] {
  transition-delay: calc(var(--stagger-index, 0) * 80ms);
}

/* ════════════════════════════════════════════════════════════════
   3. MICROINTERAÇÕES EM BOTÕES
   ════════════════════════════════════════════════════════════════ */
.btn-primary, .btn-secondary, .btn-wa, .nav-cta,
.canal, .form-submit, .tab-btn {
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease-out-soft),
              box-shadow var(--dur-fast) var(--ease-out-soft),
              background-color var(--dur-fast) var(--ease-out-soft),
              border-color var(--dur-fast) var(--ease-out-soft),
              color var(--dur-fast) var(--ease-out-soft);
}

.btn-primary:active,
.btn-wa:active,
.nav-cta:active {
  transform: scale(0.97) !important;
}

/* Ripple sutil de brilho ao passar o mouse — leve, sem JS */
.btn-primary::after,
.nav-cta::after,
.btn-wa::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  background: rgba(255,255,255,0.25);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s var(--ease-out-smooth), height 0.5s var(--ease-out-smooth);
  pointer-events: none;
}
.btn-primary:hover::after,
.nav-cta:hover::after,
.btn-wa:hover::after {
  width: 220%;
  height: 220%;
}

.btn-secondary {
  transition: all var(--dur-fast) var(--ease-out-soft);
}

/* WhatsApp float — respiração contínua discreta */
.whatsapp-float, .wa-float {
  animation: floatBreath 3.2s ease-in-out infinite;
}
@keyframes floatBreath {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-4px); }
}
.whatsapp-float:hover, .wa-float:hover {
  animation-play-state: paused;
}

/* Links com sublinhado animado (footer, breadcrumb, etc.) */
.footer-col ul a,
.breadcrumb a {
  position: relative;
  transition: color var(--dur-fast) var(--ease-out-soft);
}
.footer-col ul a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: #4CAF50;
  transition: width var(--dur-base) var(--ease-out-smooth);
}
.footer-col ul a:hover::after {
  width: 100%;
}

/* ════════════════════════════════════════════════════════════════
   4. HOVER PREMIUM EM CARDS
   ════════════════════════════════════════════════════════════════ */
.servico-card, .depo-card, .blog-card, .portfolio-item,
.portfolio-slot, article.blog-card, .check-item {
  transition: transform var(--dur-base) var(--ease-premium),
              box-shadow var(--dur-base) var(--ease-premium),
              border-color var(--dur-base) var(--ease-out-soft);
  will-change: transform;
}

.servico-card:hover,
.depo-card:hover,
.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px -8px rgba(44, 44, 42, 0.14);
}

.servico-card:hover .servico-card-icon,
.servico-card:hover .servico-icon {
  transform: scale(1.08) rotate(-4deg);
}
.servico-card-icon, .servico-icon {
  transition: transform var(--dur-base) var(--ease-spring);
}

/* Portfolio images — zoom sutil no hover */
.portfolio-item img,
.portfolio-slot img,
article[style*="border-radius:var(--radius)"] img {
  transition: transform 0.6s var(--ease-out-smooth), filter 0.6s var(--ease-out-soft);
}
.portfolio-item:hover img,
.portfolio-slot:hover img {
  transform: scale(1.06);
}

/* Cards genéricos com classe article (portfolio antes/depois) */
article {
  transition: transform var(--dur-base) var(--ease-premium),
              box-shadow var(--dur-base) var(--ease-premium);
}

/* Avatar dos depoimentos — leve "pop" no hover do card */
.depo-card:hover .depo-avatar {
  transform: scale(1.1);
}
.depo-avatar {
  transition: transform var(--dur-base) var(--ease-spring);
}

/* Estrelas — leve cintilação sequencial no hover do card */
.depo-card:hover .depo-stars svg,
.depo-card:hover .stars-row svg {
  animation: starTwinkle 0.5s var(--ease-out-soft) both;
}
.depo-stars svg:nth-child(1), .stars-row svg:nth-child(1) { animation-delay: 0ms !important; }
.depo-stars svg:nth-child(2), .stars-row svg:nth-child(2) { animation-delay: 60ms !important; }
.depo-stars svg:nth-child(3), .stars-row svg:nth-child(3) { animation-delay: 120ms !important; }
.depo-stars svg:nth-child(4), .stars-row svg:nth-child(4) { animation-delay: 180ms !important; }
.depo-stars svg:nth-child(5), .stars-row svg:nth-child(5) { animation-delay: 240ms !important; }
@keyframes starTwinkle {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.25); }
  100% { transform: scale(1); }
}

/* Áreas atendidas — tags com leve elevação */
.area-tag {
  transition: transform var(--dur-fast) var(--ease-out-soft),
              background-color var(--dur-fast) var(--ease-out-soft),
              border-color var(--dur-fast) var(--ease-out-soft);
}
.area-tag:hover {
  transform: translateY(-2px);
  border-color: var(--verde);
  background: var(--verde-suave);
}

/* ════════════════════════════════════════════════════════════════
   5. PARALLAX LEVE (CSS puro via transform on scroll var)
   Aplicado via JS setando --scroll-y; usado em elementos de fundo
   ════════════════════════════════════════════════════════════════ */
[data-parallax] {
  transform: translateY(calc(var(--parallax-offset, 0) * 1px));
  will-change: transform;
}

.hero-grid, .hero-grid-bg, .hero-bg-shape {
  will-change: transform;
}

/* ════════════════════════════════════════════════════════════════
   6. TRANSIÇÕES FLUIDAS ENTRE SEÇÕES
   ════════════════════════════════════════════════════════════════ */
section {
  position: relative;
}

/* Smooth scroll global já no html, reforço de scroll-padding p/ header fixo */
html {
  scroll-padding-top: 90px;
}

/* ════════════════════════════════════════════════════════════════
   7. HEADER INTELIGENTE NO SCROLL
   Estados controlados via JS: .nav-hidden / .nav-scrolled
   ════════════════════════════════════════════════════════════════ */
nav, #navbar {
  transition: transform var(--dur-base) var(--ease-out-smooth),
              box-shadow var(--dur-base) var(--ease-out-soft),
              background-color var(--dur-base) var(--ease-out-soft);
}

nav.nav-scrolled, #navbar.scrolled {
  box-shadow: 0 2px 20px rgba(44, 44, 42, 0.08);
}

nav.nav-hidden, #navbar.nav-hidden {
  transform: translateY(-100%);
}

/* ════════════════════════════════════════════════════════════════
   8. MOBILE MENU — transição suave
   ════════════════════════════════════════════════════════════════ */
.mobile-menu {
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity var(--dur-base) var(--ease-out-smooth),
              transform var(--dur-base) var(--ease-out-smooth);
  pointer-events: none;
}
.mobile-menu.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-menu a {
  transition: padding-left var(--dur-fast) var(--ease-out-soft), color var(--dur-fast);
}
.mobile-menu a:hover {
  padding-left: 6px;
  color: var(--verde);
}

.hamburger span {
  transition: transform var(--dur-fast) var(--ease-out-smooth), opacity var(--dur-fast);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ════════════════════════════════════════════════════════════════
   9. FAQ ACCORDION — abertura suave (details/summary nativo)
   ════════════════════════════════════════════════════════════════ */
.faq-item summary {
  transition: color var(--dur-fast) var(--ease-out-soft);
}
.faq-answer {
  animation: faqOpen var(--dur-base) var(--ease-out-smooth);
}
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.faq-chevron {
  transition: transform var(--dur-base) var(--ease-out-smooth);
}

/* ════════════════════════════════════════════════════════════════
   10. CTA BANNER — leve respiração de fundo (decorativo, GPU-only)
   ════════════════════════════════════════════════════════════════ */
.cta-banner {
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%; left: -10%;
  width: 50%; height: 200%;
  background: radial-gradient(circle, rgba(45,106,45,0.06), transparent 70%);
  animation: ctaGlow 8s ease-in-out infinite;
  pointer-events: none;
}
@keyframes ctaGlow {
  0%, 100% { transform: translateX(0) scale(1); }
  50%      { transform: translateX(60%) scale(1.2); }
}

/* ════════════════════════════════════════════════════════════════
   11. CONTATO CARD VERDE — leve glow pulsante no botão principal
   ════════════════════════════════════════════════════════════════ */
.contato-cta-card .btn-wa {
  animation: ctaPulseShadow 3s ease-in-out infinite;
}
@keyframes ctaPulseShadow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
  50%      { box-shadow: 0 0 0 6px rgba(255,255,255,0.06); }
}

/* ════════════════════════════════════════════════════════════════
   12. IMAGENS — fade-in suave ao carregar (evita "pulo" de layout)
   ════════════════════════════════════════════════════════════════ */
img {
  transition: opacity 0.5s var(--ease-out-soft);
}
img[loading="lazy"] {
  opacity: 0;
}
img[loading="lazy"].img-loaded,
img[loading="lazy"].loaded {
  opacity: 1;
}

/* ════════════════════════════════════════════════════════════════
   13. NAV LINKS — sublinhado deslizante
   ════════════════════════════════════════════════════════════════ */
.nav-links a:not(.nav-cta) {
  position: relative;
}
.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--verde);
  border-radius: 2px;
  transition: width var(--dur-base) var(--ease-out-smooth);
}
.nav-links a:not(.nav-cta):hover::after {
  width: 100%;
}