/* ==========================================================================
   Lorena Coutinho Beauty — Design System
   Paleta: preto/carvão + dourado + off-white (elegante sofisticado)
   Tipografia: Playfair Display (títulos) + Montserrat (corpo/labels)
   ========================================================================== */

:root {
  /* Cores */
  --color-black: #0d0d0d;
  --color-charcoal: #1a1917;
  --color-charcoal-2: #232220;
  --color-gold: #c9a227;
  --color-gold-light: #e2c774;
  --color-gold-dark: #a6821e;
  --color-off-white: #faf8f5;
  --color-cream: #f2ede4;
  --color-text: #262420;
  --color-text-muted: #6b665e;
  --color-text-on-dark: #f2ede4;
  --color-text-on-dark-muted: #b8b2a6;
  --color-border: #e6dfd1;
  --color-border-dark: #35332e;

  /* Tipografia */
  --font-heading: "Playfair Display", "Georgia", serif;
  --font-body: "Montserrat", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Espaçamento (escala 8px) */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --space-8: 128px;

  /* Outros */
  --radius: 2px;
  --radius-lg: 4px;
  --shadow-soft: 0 20px 60px -20px rgba(0,0,0,0.25);
  --shadow-gold: 0 10px 30px -8px rgba(201,162,39,0.45);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 84px;
}

/* ============ Reset ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-off-white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; background: none; border: none; color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 600; line-height: 1.15; margin: 0 0 var(--space-2); color: var(--color-black); }
p { margin: 0 0 var(--space-2); color: var(--color-text-muted); }
svg { width: 22px; height: 22px; flex-shrink: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-2);
}

.section { padding: var(--space-7) 0; }
.section-head { max-width: 640px; margin: 0 auto var(--space-6); text-align: center; }
.section-head h2 { font-size: clamp(28px, 4vw, 40px); }
.section-lead { color: var(--color-text-muted); font-size: 17px; }

/* ============ Botões ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
  min-height: 44px;
  white-space: nowrap;
}
.btn .icon { width: 18px; height: 18px; }
.btn-gold {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold-dark));
  color: var(--color-black);
  box-shadow: var(--shadow-gold);
}
.btn-gold::before {
  content: "";
  position: absolute; top: 0; bottom: 0; left: -60%;
  width: 40%;
  background: linear-gradient(115deg, transparent, rgba(255,255,255,0.55), transparent);
  transform: skewX(-20deg);
  transition: left 0.7s var(--ease);
}
.btn-gold:hover::before { left: 130%; }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -10px rgba(201,162,39,0.55); }
.btn-outline {
  border: 1px solid var(--color-black);
  color: var(--color-black);
}
.btn-outline:hover { background: var(--color-black); color: var(--color-off-white); }
.btn-outline-light {
  border: 1px solid var(--color-border-dark);
  color: var(--color-text-on-dark);
}
.btn-outline-light:hover { background: rgba(255,255,255,0.08); border-color: var(--color-gold); }
.btn-small { padding: 11px 22px; font-size: 12px; }

/* ============ Header ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background 0.35s var(--ease), height 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.site-header.scrolled {
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(10px);
  height: 68px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; flex-wrap: nowrap; }

.logo { display: flex; align-items: center; gap: 12px; line-height: 1; flex-shrink: 0; }
.logo-icon { width: 40px; height: auto; flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; white-space: nowrap; }
.logo-main { font-family: var(--font-heading); font-size: 21px; font-weight: 600; letter-spacing: 0.02em; color: var(--color-off-white); white-space: nowrap; }
.logo-sub { font-size: 10px; letter-spacing: 0.4em; color: var(--color-gold); margin-top: 4px; white-space: nowrap; }
.logo-footer .logo-icon { width: 48px; }

.main-nav ul { display: flex; gap: var(--space-3); flex-wrap: nowrap; }
.main-nav a { white-space: nowrap; }
.main-nav a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-on-dark-muted);
  transition: color 0.2s;
  position: relative;
  padding: 6px 0;
}
.main-nav a:hover { color: var(--color-gold-light); }
.main-nav a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--color-gold);
  transition: width 0.3s var(--ease);
}
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  align-items: center;
}
.nav-toggle span { width: 22px; height: 1.5px; background: var(--color-off-white); transition: transform 0.3s, opacity 0.3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--color-black);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(201,162,39,0.14), transparent 55%),
    radial-gradient(ellipse at 75% 80%, rgba(201,162,39,0.10), transparent 50%),
    linear-gradient(160deg, #0d0d0d 0%, #1a1917 100%);
}
.hero-overlay { position: absolute; inset: 0; }
.hero-content { position: relative; z-index: 2; max-width: 760px; padding-top: var(--header-h); }
.hero .eyebrow { text-align: center; }
.hero h1 {
  font-size: clamp(38px, 6vw, 64px);
  color: var(--color-off-white);
  font-style: italic;
  font-weight: 500;
}
.hero-lead { color: var(--color-text-on-dark-muted); font-size: 18px; max-width: 520px; margin-inline: auto; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); justify-content: center; margin-top: var(--space-4); }
.hero .btn-outline { border-color: var(--color-border-dark); color: var(--color-off-white); }
.hero .btn-outline:hover { background: var(--color-off-white); color: var(--color-black); }

/* Entrada escalonada do Hero ao carregar a página */
.hero-in { opacity: 0; transform: translateY(18px); animation: heroIn 0.9s var(--ease) forwards; }
.hero-in-1 { animation-delay: 0.15s; }
.hero-in-2 { animation-delay: 0.3s; }
.hero-in-3 { animation-delay: 0.48s; }
.hero-in-4 { animation-delay: 0.64s; }
@keyframes heroIn {
  to { opacity: 1; transform: translateY(0); }
}

.scroll-cue {
  position: absolute; bottom: var(--space-4); left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 1px solid var(--color-border-dark);
  border-radius: 20px;
  z-index: 2;
}
.scroll-cue span {
  position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--color-gold);
  animation: scrollCue 1.8s infinite;
}
@keyframes scrollCue { 0% { opacity: 1; top: 8px; } 70% { opacity: 0; top: 22px; } 100% { opacity: 0; top: 22px; } }

/* ============ Placeholder de imagem ============ */
.img-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-cream), #e5ddc9, var(--color-cream));
  background-size: 220% 220%;
  animation: shimmer 7s ease-in-out infinite;
  border: 1px solid var(--color-border);
  display: flex; align-items: flex-end; justify-content: flex-start;
  overflow: hidden;
  padding: 0;
}
.img-placeholder::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, transparent 55%, rgba(13,13,13,0.55) 100%),
    repeating-linear-gradient(135deg, rgba(201,162,39,0.06) 0 2px, transparent 2px 14px);
}
.img-placeholder::after {
  content: attr(data-label);
  position: relative;
  z-index: 1;
  display: block;
  padding: var(--space-2);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--color-off-white);
  font-weight: 500;
}
@keyframes shimmer { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

/* ============ Sobre ============ */
.sobre-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-6); align-items: center; }
.sobre-image { position: relative; max-width: 420px; margin: 0 auto; }
.sobre-photo {
  width: 100%;
  height: auto;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}
.sobre-badge {
  position: absolute; bottom: -20px; right: -20px;
  background: var(--color-black);
  color: var(--color-off-white);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  display: flex; flex-direction: column; align-items: center; text-align: center;
  min-width: 110px;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border-dark);
}
.sobre-badge-number { font-family: var(--font-heading); font-size: 32px; color: var(--color-gold); line-height: 1; margin-bottom: 4px; }
.sobre-badge-text { font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-text-on-dark-muted); }

.sobre-text h2 { font-size: clamp(28px, 4vw, 38px); }
.stat-row { display: flex; gap: var(--space-5); margin-top: var(--space-4); flex-wrap: wrap; }
.stat-row li { display: flex; flex-direction: column; }
.stat-row strong { font-family: var(--font-heading); font-size: 30px; color: var(--color-black); }
.stat-row span { font-size: 12px; letter-spacing: 0.03em; color: var(--color-text-muted); text-transform: uppercase; margin-top: 2px; }

/* ============ Serviços ============ */
.services-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-3); }
.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); border-color: var(--color-gold); }
.service-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--color-cream);
  color: var(--color-gold-dark);
  margin-bottom: var(--space-3);
}
.service-icon svg { width: 24px; height: 24px; }
.service-card h3 { font-size: 20px; margin-bottom: 8px; }
.service-card p { font-size: 14.5px; margin-bottom: var(--space-2); }
.service-price {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--color-black);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-2);
  width: 100%;
}

/* ============ Diferenciais ============ */
.diferenciais { background: var(--color-black); }
.diferenciais-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-5); text-align: center; }
.diferencial { display: flex; flex-direction: column; align-items: center; transition: transform 0.35s var(--ease); }
.diferencial:hover { transform: translateY(-4px); }
.icon-lg { width: 40px; height: 40px; color: var(--color-gold); margin-bottom: var(--space-2); transition: transform 0.4s var(--ease); }
.diferencial:hover .icon-lg { transform: scale(1.12) rotate(-4deg); }
.diferencial h3 { color: var(--color-off-white); font-size: 18px; }
.diferencial p { color: var(--color-text-on-dark-muted); font-size: 14px; margin-bottom: 0; }

/* ============ Galeria ============ */
.gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-2); }
.gallery-item { position: relative; aspect-ratio: 1/1; cursor: pointer; text-align: left; overflow: hidden; background: var(--color-cream); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 0; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.6s var(--ease); }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item-zoom {
  position: absolute; inset: 0;
  z-index: 2;
  display: flex; align-items: center; justify-content: center;
  background: rgba(13,13,13,0.35);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}
.gallery-item:hover .gallery-item-zoom { opacity: 1; }
.gallery-item-zoom svg { width: 28px; height: 28px; color: var(--color-off-white); }

/* Atraso escalonado dos cards ao revelar (efeito cascata) */
.services-grid > :nth-child(1), .diferenciais-grid > :nth-child(1), .gallery-grid > :nth-child(1), .testimonials-grid > :nth-child(1) { transition-delay: 0ms; }
.services-grid > :nth-child(2), .diferenciais-grid > :nth-child(2), .gallery-grid > :nth-child(2), .testimonials-grid > :nth-child(2) { transition-delay: 90ms; }
.services-grid > :nth-child(3), .diferenciais-grid > :nth-child(3), .gallery-grid > :nth-child(3), .testimonials-grid > :nth-child(3) { transition-delay: 180ms; }
.services-grid > :nth-child(4), .diferenciais-grid > :nth-child(4), .gallery-grid > :nth-child(4) { transition-delay: 270ms; }
.services-grid > :nth-child(5), .gallery-grid > :nth-child(5) { transition-delay: 360ms; }
.services-grid > :nth-child(6), .gallery-grid > :nth-child(6) { transition-delay: 450ms; }
.services-grid > :nth-child(7) { transition-delay: 90ms; }
.services-grid > :nth-child(8) { transition-delay: 180ms; }
.gallery-grid > :nth-child(7) { transition-delay: 90ms; }
.gallery-grid > :nth-child(8) { transition-delay: 180ms; }
.gallery-grid > :nth-child(9) { transition-delay: 270ms; }

/* ============ Depoimentos ============ */
.depoimentos { background: var(--color-cream); }
.testimonials-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-3); }
.testimonial {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin: 0;
}
.stars { color: var(--color-gold); letter-spacing: 3px; margin-bottom: var(--space-2); font-size: 15px; }
.testimonial p { color: var(--color-text); font-style: italic; font-size: 15.5px; }
.testimonial cite { font-style: normal; font-weight: 600; font-size: 13px; letter-spacing: 0.04em; color: var(--color-text-muted); }

/* ============ FAQ ============ */
.faq-grid { max-width: 760px; }
.accordion-item { border-bottom: 1px solid var(--color-border); }
.accordion-trigger {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
  padding: var(--space-3) 0;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--color-black);
  min-height: 44px;
}
.accordion-trigger svg { color: var(--color-gold); transition: transform 0.3s var(--ease); }
.accordion-trigger[aria-expanded="true"] svg { transform: rotate(180deg); }
.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease);
}
.accordion-panel p { padding-bottom: var(--space-3); font-size: 15px; }

/* ============ Contato ============ */
.contato { background: var(--color-black); }
.contato-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-6); align-items: start; }
.contato h2 { color: var(--color-off-white); font-size: clamp(28px, 4vw, 38px); }
.contato .section-lead { color: var(--color-text-on-dark-muted); }
.contato-list { display: flex; flex-direction: column; gap: var(--space-3); margin: var(--space-4) 0; }
.contato-list li { display: flex; gap: var(--space-2); align-items: flex-start; }
.contato-list svg { color: var(--color-gold); margin-top: 2px; }
.contato-list strong { display: block; color: var(--color-off-white); font-size: 14px; margin-bottom: 2px; }
.contato-list span { color: var(--color-text-on-dark-muted); font-size: 14px; }
.contato-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.map-embed {
  width: 100%;
  aspect-ratio: 4/3;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  filter: grayscale(0.25) contrast(1.05);
}

.map-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  aspect-ratio: 4/3;
  text-align: center;
  padding: var(--space-4);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--color-charcoal), var(--color-charcoal-2));
  color: var(--color-text-on-dark-muted);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.map-card:hover { border-color: var(--color-gold); transform: translateY(-2px); }
.map-card svg { width: 32px; height: 32px; color: var(--color-gold); }
.map-card span { font-size: 14px; line-height: 1.5; }
.map-card-cta { color: var(--color-gold-light); font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; margin-top: var(--space-1); }

/* ============ Footer ============ */
.site-footer { background: var(--color-charcoal); padding: var(--space-5) 0 var(--space-3); }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: var(--space-4); text-align: center; }
.footer-nav { display: flex; gap: var(--space-3); flex-wrap: wrap; justify-content: center; }
.footer-nav a { font-size: 13px; color: var(--color-text-on-dark-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.footer-nav a:hover { color: var(--color-gold); }
.footer-social { display: flex; gap: var(--space-2); }
.footer-social a {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border-dark);
  border-radius: 50%;
  color: var(--color-text-on-dark-muted);
  transition: border-color 0.2s, color 0.2s;
}
.footer-social a:hover { border-color: var(--color-gold); color: var(--color-gold); }
.footer-social svg { width: 18px; height: 18px; }
.footer-bottom { margin-top: var(--space-4); padding-top: var(--space-3); border-top: 1px solid var(--color-border-dark); text-align: center; }
.footer-bottom p { font-size: 12px; color: var(--color-text-on-dark-muted); margin: 0; }

/* ============ WhatsApp flutuante ============ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-3);
  right: var(--space-3);
  z-index: 90;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold-dark));
  color: var(--color-black);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-gold);
  animation: floatPulse 2.6s ease-in-out infinite;
}
.whatsapp-float svg { width: 28px; height: 28px; }
@keyframes floatPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201,162,39,0.45), var(--shadow-gold); }
  50% { box-shadow: 0 0 0 10px rgba(201,162,39,0), var(--shadow-gold); }
}

/* ============ Lightbox ============ */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(13,13,13,0.94);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-4);
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s var(--ease);
}
.lightbox.active { opacity: 1; visibility: visible; }
.lightbox-content { max-width: 900px; width: 100%; text-align: center; }
.lightbox-image {
  max-width: 100%;
  max-height: 78vh;
  width: auto;
  height: auto;
  border-radius: var(--radius-lg);
  margin: 0 auto var(--space-2);
  box-shadow: var(--shadow-soft);
}
.lightbox-content p { color: var(--color-off-white); font-size: 14px; }
.lightbox-close {
  position: absolute; top: var(--space-3); right: var(--space-3);
  width: 44px; height: 44px;
  font-size: 30px; line-height: 1;
  color: var(--color-off-white);
  border: 1px solid var(--color-border-dark);
  border-radius: 50%;
}
.lightbox-close:hover { color: var(--color-gold); border-color: var(--color-gold); }

/* ============ Reveal on scroll ============ */
/* Conteúdo fica visível por padrão; só é ocultado depois que o JS confirma
   que vai poder revelá-lo (evita seções travadas em opacity:0 se o JS falhar). */
.reveal { transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
html.js-reveal .reveal { opacity: 0; transform: translateY(24px); }
html.js-reveal .reveal.in-view { opacity: 1; transform: translateY(0); }

/* ============ Focus visível (acessibilidade) ============ */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* ==========================================================================
   Responsivo
   ========================================================================== */
@media (min-width: 640px) {
  .diferenciais-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 860px) {
  .sobre-grid { grid-template-columns: 0.8fr 1fr; }
  .contato-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1080px) {
  .main-nav { display: block; }
  .nav-toggle { display: none; }
}
@media (max-width: 1079px) {
  .main-nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: rgba(13,13,13,0.98);
    backdrop-filter: blur(10px);
    display: flex; align-items: center; justify-content: center;
    transform: translateY(-8px);
    opacity: 0; visibility: hidden;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
  }
  .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .main-nav ul { flex-direction: column; gap: var(--space-4); text-align: center; }
  .main-nav a { font-size: 20px; }
  .nav-toggle { display: flex; }
  .header-actions .btn-small { display: none; }
}

@media (min-width: 1024px) {
  .diferenciais-grid { grid-template-columns: repeat(4, 1fr); }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}