/* ============================================
   SERIGRAFIA MODERNA - CSS
   Design: Minimalismo Tipográfico com Cores Vibrantes
   Cores: Magenta #E91E63, Ciano #00BCD4, Amarelo #FFEB3B
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #E91E63;
  --secondary: #00BCD4;
  --accent: #FFEB3B;
  --dark: #212121;
  --light: #FFFFFF;
  --gray: #F5F5F5;
  --border: #E0E0E0;
  --text-muted: #757575;
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--dark);
  background-color: var(--light);
  line-height: 1.6;
  font-size: 16px;
}

/* ============================================
   TIPOGRAFIA
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

.display-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 3rem;
  line-height: 1.1;
  color: var(--primary);
}

.heading-lg {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 2rem;
}

.heading-md {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1.5rem;
}

/* ============================================
   CONTAINER E LAYOUT
   ============================================ */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

/* ============================================
   BOTÕES
   ============================================ */

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  text-align: center;
  font-family: 'Montserrat', sans-serif;
}

.btn:hover {
  transform: scale(1.05);
}

.btn:active {
  transform: scale(0.95);
}

.btn-primary {
  background-color: var(--primary);
  color: var(--light);
}

.btn-primary:hover {
  background-color: #c2185b;
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--light);
}

.btn-secondary:hover {
  background-color: #0097a7;
}

.btn-accent {
  background-color: var(--accent);
  color: var(--dark);
}

.btn-accent:hover {
  background-color: #fdd835;
}

/* ============================================
   HEADER / NAVEGAÇÃO
   ============================================ */

header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--light);
  border-bottom: 2px solid var(--border);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--dark);
}

.logo-icon {
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--primary);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  display: none;
}

@media (min-width: 640px) {
  .logo-text {
    display: block;
  }
}

nav {
  display: none;
  gap: 2rem;
}

@media (min-width: 768px) {
  nav {
    display: flex;
  }
}

nav a {
  font-weight: 600;
  color: var(--dark);
  text-decoration: none;
  transition: var(--transition);
}

nav a:hover {
  color: var(--primary);
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--primary);
  font-size: 1.5rem;
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

.mobile-menu {
  display: none;
  background-color: var(--gray);
  border-top: 2px solid var(--border);
}

.mobile-menu.active {
  display: block;
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem 0;
}

/* ============================================
   SEÇÃO DIVISÓRIA
   ============================================ */

.section-divider {
  height: 4px;
  background: linear-gradient(to right, var(--primary), var(--secondary), var(--accent));
  margin: 2rem 0;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 0;
}

@media (min-width: 768px) {
  .hero {
    padding: 8rem 0;
  }
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-banner.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero h2 {
  margin-bottom: 1.5rem;
  font-size: 2.5rem;
}

@media (min-width: 768px) {
  .hero h2 {
    font-size: 3rem;
  }
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
}

@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
  }
}

/* ============================================
   SEÇÃO DE SERVIÇOS
   ============================================ */

.services {
  background-color: var(--gray);
  padding: 4rem 0;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

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

.service-card {
  background-color: var(--light);
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.service-card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.service-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.service-icon.primary {
  background-color: var(--primary);
  color: var(--light);
}

.service-icon.secondary {
  background-color: var(--secondary);
  color: var(--light);
}

.service-icon.accent {
  background-color: var(--accent);
  color: var(--dark);
}

.service-card h3 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.service-card p {
  color: var(--text-muted);
}

/* ============================================
   CARROSSEL / PORTFOLIO
   ============================================ */

.portfolio {
  padding: 4rem 0;
}

.carousel {
  position: relative;
  background-color: var(--gray);
  border-radius: 0.5rem;
  overflow: hidden;
  margin-top: 3rem;
}

.carousel-container {
  position: relative;
  height: 24rem;
}

@media (min-width: 768px) {
  .carousel-container {
    height: 31.25rem;
  }
}

.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
}

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

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  padding: 1.5rem 2rem;
  color: var(--light);
}

.carousel-overlay h3 {
  font-size: 1.5rem;
}

.carousel-button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(255, 255, 255, 0.8);
  border: none;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.25rem;
  transition: var(--transition);
  z-index: 10;
}

.carousel-button:hover {
  background-color: var(--light);
}

.carousel-button.prev {
  left: 1rem;
}

.carousel-button.next {
  right: 1rem;
}

.carousel-indicators {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}

.carousel-indicator {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.carousel-indicator.active {
  background-color: var(--primary);
  width: 2rem;
}

/* ============================================
   DEPOIMENTOS
   ============================================ */

.testimonials {
  background-color: var(--gray);
  padding: 4rem 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

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

.testimonial-card {
  background-color: var(--light);
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.testimonial-card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  color: var(--accent);
  font-size: 1.25rem;
}

.testimonial-text {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  font-weight: 600;
  color: var(--dark);
}

.testimonial-company {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ============================================
   FAQ
   ============================================ */

.faq {
  padding: 4rem 0;
  max-width: 48rem;
  margin: 0 auto;
}

.faq-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 3rem;
}

.faq-item {
  border: 2px solid var(--border);
  border-radius: 0.5rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1.5rem;
  background-color: var(--light);
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  color: var(--dark);
  transition: var(--transition);
  font-size: 1rem;
}

.faq-question:hover {
  background-color: var(--gray);
}

.faq-toggle {
  color: var(--primary);
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.faq-toggle.open {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 1.5rem;
  background-color: var(--gray);
  border-top: 2px solid var(--border);
  color: var(--text-muted);
}

.faq-answer.open {
  display: block;
}

/* ============================================
   FORMULÁRIO DE CONTATO
   ============================================ */

.contact {
  background-color: var(--gray);
  padding: 4rem 0;
}

.contact-form {
  max-width: 32rem;
  margin: 3rem auto 0;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border);
  border-radius: 0.5rem;
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
}

.form-group textarea {
  resize: none;
  min-height: 7.5rem;
}

.form-group button {
  width: 100%;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  background-color: var(--dark);
  color: var(--light);
  padding: 2rem 0;
  text-align: center;
}

footer p {
  margin-bottom: 0.5rem;
}

footer .footer-subtitle {
  font-size: 0.875rem;
  opacity: 0.75;
}

/* ============================================
   BOTÃO WHATSAPP FLUTUANTE
   ============================================ */

.whatsapp-button {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 3.5rem;
  height: 3.5rem;
  background-color: #25D366;
  color: var(--light);
  border: none;
  border-radius: 50%;
  font-size: 1.75rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: var(--transition);
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.whatsapp-button:hover {
  background-color: #20BA5A;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
  transform: scale(1.1);
}

.whatsapp-button:active {
  transform: scale(0.95);
}

/* ============================================
   SEÇÃO GERAL
   ============================================ */

section {
  scroll-margin-top: 5rem;
}

section h2 {
  text-align: center;
  color: var(--primary);
}

section h2.heading-lg {
  margin-bottom: 3rem;
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */

@media (max-width: 640px) {
  .display-text {
    font-size: 2rem;
  }

  .heading-lg {
    font-size: 1.75rem;
  }

  .hero {
    padding: 3rem 0;
  }

  .hero h2 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .services,
  .portfolio,
  .testimonials,
  .faq,
  .contact {
    padding: 2.5rem 0;
  }

  .carousel-container {
    height: 18rem;
  }
}

/* ============================================
   ACESSIBILIDADE
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   IMPRESSÃO
   ============================================ */

@media print {
  header,
  .whatsapp-button,
  .carousel-button,
  .carousel-indicators {
    display: none;
  }
}