/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* Cores principais */
  --blue-dark:    #1A3A5C;
  --blue:         #1E4D8C;
  --blue-light:   #2E6DB4;
  --blue-pale:    #E8F0F9;
  --off-white:    #F7F6F2;
  --white:        #FFFFFF;
  --text-dark:    #1C1C1E;
  --text-mid:     #4A4A4A;
  --text-light:   #7A7A7A;
  --border:       #E4E0D8;

  /* Acento dourado — identidade de luxo */
  --gold:         #C9A84C;
  --gold-light:   #F0E4B8;

  /* WhatsApp */
  --whatsapp:     #25D366;
  --whatsapp-dark:#1da851;

  /* Sombras */
  --shadow:       0 4px 24px rgba(26,58,92,0.10);
  --shadow-lg:    0 12px 48px rgba(26,58,92,0.15);
  --shadow-gold:  0 8px 32px rgba(201,168,76,0.25);

  /* Layout */
  --radius:       12px;
  --radius-sm:    8px;

  /* Transition — propriedades específicas (não "all") */
  --transition:   color 0.3s ease, background-color 0.3s ease,
                  border-color 0.3s ease, box-shadow 0.3s ease,
                  transform 0.3s ease, opacity 0.3s ease;

  /* Tipografia */
  --font-serif:   'Playfair Display', Georgia, serif;
  --font-sans:    'Raleway', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--off-white);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: var(--font-sans); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(247, 246, 242, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  padding: 0 24px;
}

.navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 20px rgba(26,58,92,0.08);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 96px;
}

.nav-logo img {
  height: 80px;
  width: auto;
  object-fit: contain;
}

.logo-fallback {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--blue-dark);
  letter-spacing: 2px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 36px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-mid);
  letter-spacing: 0.5px;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active { color: var(--blue-dark); }

.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-toggle {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue);
  border: 1.5px solid var(--blue);
  border-radius: 20px;
  padding: 4px 12px;
  letter-spacing: 1px;
  transition: var(--transition);
}

.lang-toggle:hover {
  background: var(--blue);
  color: var(--white);
}

.btn-whatsapp-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--whatsapp);
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 24px;
  transition: var(--transition);
}

.btn-whatsapp-nav:hover {
  background: var(--whatsapp-dark);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 50%, var(--blue-light) 100%);
  overflow: hidden;
}

.hero-slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.4s ease-in-out;
}

.hero-slide.active { opacity: 1; }

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to bottom, rgba(15,30,55,0.55) 0%, rgba(15,30,55,0.45) 60%, rgba(15,30,55,0.65) 100%);
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--white);
  padding: 120px 24px 100px;
  max-width: 800px;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--white);
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  color: var(--blue-dark);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.5px;
  padding: 14px 32px;
  border-radius: 4px;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-primary.full {
  width: 100%;
  background: var(--blue);
  color: var(--white);
  font-size: 0.9rem;
  padding: 16px;
}

.btn-primary.full:hover {
  background: var(--blue-dark);
  color: var(--white);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255,255,255,0.6);
  color: var(--white);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 14px 32px;
  border-radius: 4px;
  transition: var(--transition);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}

/* Hero dots */
.hero-dots {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 8px;
  align-items: center;
}

.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.35);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: width 0.35s ease, background-color 0.35s ease;
}

.hero-dot.active {
  width: 28px;
  background: var(--gold);
}

.hero-dot:hover:not(.active) {
  background: rgba(255,255,255,0.6);
}

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-title.left { text-align: left; }

.section-desc {
  font-size: 1rem;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== SERVICES ===== */
.services { background: var(--white); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-4px);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: var(--blue-pale);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--blue);
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--gold-light);
  color: var(--gold);
}

.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== PORTFOLIO ===== */
.portfolio { background: var(--off-white); }

.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--text-mid);
  border: 1.5px solid var(--border);
  border-radius: 24px;
  padding: 8px 20px;
  transition: var(--transition);
  background: var(--white);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 340px;
  gap: 16px;
}

.portfolio-item {
  border-radius: var(--radius);
  overflow: hidden;
  transition: opacity 0.28s ease, transform 0.28s ease;
}

.portfolio-item.large { grid-column: span 2; }

/* Animação de saída no filtro */
.portfolio-item.hiding {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
}

.portfolio-item.hidden { display: none; }

.portfolio-img {
  width: 100%;
  height: 100%;
  background-color: var(--blue-pale);
  background-size: cover;
  background-position: center;
  position: relative;
  transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-img { transform: scale(1.04); }

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,58,92,0.85) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }

.portfolio-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 400;
  color: var(--gold);
  opacity: 0.7;
  line-height: 1;
  margin-bottom: 4px;
}

.portfolio-overlay p {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* ===== ABOUT ===== */
.about { background: var(--white); }

.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image { position: relative; }

.about-img-box {
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  background: var(--blue-pale);
  background-size: cover;
  background-position: center;
}

.about-badge {
  position: absolute;
  bottom: -24px;
  right: -24px;
  width: 100px;
  height: 100px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: var(--shadow-gold);
}

.badge-number {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 600;
  line-height: 1;
}

.badge-text {
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.85;
}

.about-content { padding-left: 16px; }

.about-content p {
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.stat { display: flex; flex-direction: column; }

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 500;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-light);
  letter-spacing: 0.5px;
}

/* ===== TESTIMONIALS ===== */
.testimonials { background: var(--off-white); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-gold);
  border-color: var(--gold);
}

.stars {
  color: var(--gold);
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card > p {
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text-dark);
  margin-bottom: 2px;
}

.testimonial-author span {
  font-size: 0.78rem;
  color: var(--text-light);
}

/* ===== CONTACT ===== */
.contact { background: var(--white); }

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info p {
  color: var(--text-mid);
  margin-bottom: 28px;
  line-height: 1.7;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-mid);
  font-size: 0.9rem;
}

.contact-item svg { color: var(--gold); flex-shrink: 0; }

.btn-whatsapp-big {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--whatsapp);
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 4px;
  transition: var(--transition);
}

.btn-whatsapp-big:hover {
  background: var(--whatsapp-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.3);
}

.contact-form-box {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-dark);
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-dark);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}

.form-group textarea { resize: vertical; }

/* ===== FOOTER ===== */
.footer {
  background: var(--blue-dark);
  color: rgba(255,255,255,0.8);
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 72px 24px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
  margin-bottom: 16px;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  opacity: 0.7;
}

.footer-links h4,
.footer-contact h4 {
  color: var(--white);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-links ul { list-style: none; }
.footer-links ul li { margin-bottom: 10px; }

.footer-links ul li a,
.footer-contact p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s ease;
}

.footer-links ul li a:hover { color: var(--gold-light); }

.footer-contact p { margin-bottom: 8px; }

.footer-wa {
  display: inline-block;
  margin-top: 12px;
  background: var(--whatsapp);
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 24px;
  transition: var(--transition);
}

.footer-wa:hover { background: var(--whatsapp-dark); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  padding: 20px 24px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 58px;
  height: 58px;
  background: var(--whatsapp);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,0.4);
  transition: var(--transition);
}

.whatsapp-float:hover {
  background: var(--whatsapp-dark);
  transform: scale(1.1);
}

/* ===== SCROLL REVEAL ===== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .about-container { gap: 48px; }
  .footer-container { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  .nav-container { height: 72px; }

  .nav-logo img { height: 56px; }

  .nav-menu {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--off-white);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
    z-index: 999;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .btn-whatsapp-nav { display: none; }

  .hamburger { display: flex; }

  .hero-title { font-size: 2.8rem; }

  .portfolio-grid {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 240px;
  }

  .about-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-badge { right: 0; }

  .contact-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .services-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 24px 32px;
  }

  .about-stats { gap: 24px; }
}

@media (max-width: 480px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 260px;
  }


  .hero-buttons { flex-direction: column; align-items: center; }
  .btn-primary, .btn-outline { width: 100%; max-width: 280px; }
}