/*
  CerqueiraAlves - Estilos principais (Mobile-first)
  Paleta:
    Primária (laranja): #F58442
    Texto principal: #333333
    Fundo claro: #F4F4F4
    Rodapé/escuro: #212529
*/

:root {
  --color-primary: #F58442;
  --color-text: #333333;
  --color-bg: #FFFFFF;
  --color-bg-light: #F4F4F4;
  --color-dark: #212529;
  --color-white: #ffffff;
  --max-width: 1120px;
  --radius: 10px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Montserrat', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--max-width); padding: 0 16px; margin: 0 auto; }

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-white);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo img { height: 36px; width: auto; }

.hamburger {
  background: transparent;
  border: none;
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.hamburger span {
  width: 24px; height: 2px; background: var(--color-text); display: block;
  transition: transform .3s ease, opacity .3s ease;
}

.site-nav { position: fixed; inset: 64px 0 auto 0; background: var(--color-white); border-top: 1px solid rgba(0,0,0,0.06); transform: translateY(-120%); transition: transform .35s ease; }
.site-nav.open { transform: translateY(0); }
.site-nav ul { list-style: none; padding: 12px 16px 20px; margin: 0; }
.site-nav li { margin: 6px 0; }
.site-nav a { display: block; padding: 12px; border-radius: 8px; font-weight: 600; }
.site-nav a:hover { background: var(--color-bg-light); }

/* Desktop nav */
@media (min-width: 992px) {
  .hamburger { display: none; }
  .site-nav { position: static; inset: auto; transform: none; border: 0; }
  .site-nav ul { display: flex; align-items: center; gap: 8px; padding: 0; }
  .site-nav li { margin: 0; }
  .site-nav a { padding: 10px 14px; }
}

/* Hero */
.hero { position: relative; min-height: 68vh; display: grid; place-items: center; padding: 72px 0 56px; background-size: cover; background-position: center; }
.hero .overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.4), rgba(0,0,0,.55)); }
.hero-content { position: relative; text-align: center; color: var(--color-white); }
.hero h1 { margin: 0 0 12px; font-size: 28px; font-weight: 800; letter-spacing: .3px; }
.hero p { margin: 0 0 20px; font-size: 16px; opacity: .95; }

.btn { display: inline-block; padding: 12px 20px; border-radius: 999px; font-weight: 700; letter-spacing: .3px; cursor: pointer; }
.btn-primary { background: var(--color-primary); color: #171717; box-shadow: 0 6px 20px rgba(245,132,66,.35); }
.btn-primary:hover { filter: brightness(.95); }

/* Sections */
.section { padding: 96px 0 64px; }
.bg-light { background: var(--color-bg-light); }
.bg-dark { background: var(--color-dark); }
.text-on-dark { color: var(--color-white); }

.section-header { text-align: center; margin-bottom: 28px; }
.section-header h2 { margin: 0; font-size: 24px; font-weight: 800; position: relative; display: inline-block; }
.section-header h2::after { content: ""; display: block; width: 72px; height: 4px; background: var(--color-primary); margin: 10px auto 0; border-radius: 2px; }
.section-header--on-dark h2::after { background: var(--color-primary); }

/* Sobre */
.sobre-grid { display: grid; gap: 24px; }
.sobre-foto img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow); object-fit: cover; }
.perfil { margin-top: 12px; }
.perfil h3 { margin: 0; font-size: 18px; font-weight: 700; }
.perfil p { margin: 4px 0 0; color: #555; }
.sobre-texto .bloco + .bloco { margin-top: 12px; }
.sobre-texto h3 { margin: 0 0 6px; font-size: 18px; font-weight: 700; }
.sobre-texto p { margin: 0; color: #4b4b4b; }

@media (min-width: 992px) {
  .sobre-grid { grid-template-columns: 1fr 1.2fr; align-items: start; gap: 40px; }
}

/* Cards Serviços */
.cards-grid { display: grid; gap: 16px; }
.card { background: var(--color-white); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); transition: transform .2s ease;
}
.card:hover { transform: translateY(-2px); }
.card-icon { width: 44px; height: 44px; border-radius: 12px; background: rgba(245,132,66,.15); color: #8a3f17; display: grid; place-items: center; margin-bottom: 10px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: #555; }

@media (min-width: 600px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 992px) {
  .cards-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }
}

/* Portfólio */
.portfolio-grid { display: grid; gap: 16px; }
.before-after { margin: 0; }
.image-pair { display: grid; gap: 8px; }
.image { position: relative; overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow); }
.image img { width: 100%; height: 220px; object-fit: cover; display: block; }
.image figcaption { position: absolute; left: 10px; bottom: 10px; background: rgba(0,0,0,.65); color: var(--color-white); padding: 6px 10px; border-radius: 40px; font-size: 12px; font-weight: 700; letter-spacing: .3px; }

@media (min-width: 768px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 992px) {
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .image img { height: 200px; }
}

/* Contato */
.contato-grid { display: grid; gap: 24px; align-items: start; }
.contatos { display: grid; gap: 12px; }
.contact-link { display: inline-flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 999px; background: rgba(255,255,255,.08); color: var(--color-white); font-weight: 600; }
.contact-link:hover { background: rgba(255,255,255,.14); }
.contact-link .icon { display: grid; place-items: center; }

.contact-form { background: rgba(255,255,255,.06); padding: 16px; border-radius: var(--radius); backdrop-filter: blur(2px); }
.form-group { display: grid; gap: 6px; margin-bottom: 12px; }
.form-group label { font-weight: 600; }
.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.9);
  color: #111;
  outline: none;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(245,132,66,.25); }
.error { color: #ff6961; font-size: 12px; min-height: 14px; }

@media (min-width: 992px) {
  .contato-grid { grid-template-columns: 0.9fr 1.1fr; gap: 32px; }
}

/* Footer */
.site-footer { background: var(--color-dark); color: var(--color-white); padding: 28px 0; }
.footer-content { display: grid; gap: 16px; align-items: center; }
.footer-branding img { height: 28px; width: auto; margin-bottom: 6px; }
.footer-links { display: flex; gap: 12px; flex-wrap: wrap; }
.footer-links .contact-link { background: rgba(255,255,255,.08); }

@media (min-width: 768px) {
  .footer-content { grid-template-columns: 1fr auto; }
}

/* Utilities */
.visually-hidden { position: absolute !important; height: 1px; width: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; }

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #ffffff;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 24px rgba(0,0,0,.15);
  z-index: 2000;
}
.whatsapp-float:hover { filter: brightness(.95); }

/* Testimonials */
.testimonials-grid { display: grid; gap: 16px; }
.testimonial-card {
  background: #ffffff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.testimonial-card blockquote { margin: 0 0 10px; color: #444; font-style: italic; }
.testimonial-card .author { margin: 0; }
.testimonial-card .service { margin: 4px 0 0; color: #777; font-size: 14px; }

@media (min-width: 768px) {
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
}

/* Image comparison slider sizing */
.comparison-slider { width: 100%; display: block; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.comparison-slider img { width: 100%; height: 220px; object-fit: cover; display: block; }
@media (min-width: 992px) {
  .comparison-slider img { height: 200px; }
}

/* Popup de Confirmação */
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  padding: 20px;
}

.popup-content {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 40px 30px;
  text-align: center;
  max-width: 400px;
  width: 100%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  animation: popupSlideIn 0.3s ease-out;
}

@keyframes popupSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.popup-icon {
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
}

.popup-content h3 {
  margin: 0 0 15px;
  color: var(--color-text);
  font-size: 24px;
  font-weight: 600;
}

.popup-content p {
  margin: 0 0 25px;
  color: #666;
  font-size: 16px;
  line-height: 1.5;
}

.popup-content .btn {
  min-width: 120px;
}

@media (max-width: 480px) {
  .popup-content {
    padding: 30px 20px;
  }
  
  .popup-content h3 {
    font-size: 20px;
  }
  
  .popup-content p {
    font-size: 14px;
  }
}