@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:wght@500;600;700&display=swap');

:root {
  /* Cores Principais */
  --color-primary: #0F5B4C;
  --color-primary-light: #1A7B67;
  --color-primary-dark: #0A3D33;
  
  /* Cores de Acento */
  --color-accent: #FFF3CD;
  --color-accent-dark: #E6D8A7;
  
  /* Texto e Fundo */
  --color-text-dark: #17212C;
  --color-text-muted: #56616F;
  --color-bg-light: #F8F9FA;
  --color-bg-alt: #E7F0EC;
  --color-white: #FFFFFF;
  --color-border: #E2E8F0;
  
  /* Tipografia */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  
  /* Espaçamentos e Medidas */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --container-width: 1200px;
  
  /* Efeitos */
  --border-radius: 16px;
  --box-shadow: 0 10px 30px rgba(23, 33, 44, 0.05);
  --box-shadow-hover: 0 15px 40px rgba(23, 33, 44, 0.1);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: 1px solid rgba(255, 255, 255, 0.3);
  --glass-backdrop: blur(12px);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-dark);
  line-height: 1.6;
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary-dark);
}

p {
  margin-bottom: var(--spacing-sm);
}

a {
  text-decoration: none;
  color: var(--color-primary);
  transition: var(--transition);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Layout */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section {
  padding: var(--spacing-xl) 0;
}

.section-bg-light {
  background-color: var(--color-bg-light);
}

.section-bg-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section-bg-primary h2, .section-bg-primary h3, .section-bg-primary p {
  color: var(--color-white);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
}

.section-bg-primary .section-header p {
  color: rgba(255, 255, 255, 0.8);
}

/* Utilities */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* Botões */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

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

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(230, 216, 167, 0.4);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
}

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

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

.btn-dark:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(15, 91, 76, 0.3);
}

/* Header & Navbar */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-bottom: var(--glass-border);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--box-shadow);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.logo span {
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 400;
  display: block;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--color-text-dark);
  font-weight: 500;
  font-size: 0.95rem;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--color-primary);
}

/* Hero Section */
.hero {
  padding-top: 140px;
  padding-bottom: 80px;
  background-color: var(--color-primary);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at right top, var(--color-primary-light), transparent 50%);
  opacity: 0.6;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
}

.hero-info {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.hero-info-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  backdrop-filter: blur(4px);
}

.countdown-container {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: var(--spacing-lg);
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255, 255, 255, 0.15);
  padding: 1rem;
  border-radius: 12px;
  min-width: 80px;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.countdown-item span {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-heading);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.countdown-item p {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0;
  opacity: 0.9;
}

@media (max-width: 576px) {
  .countdown-container {
    gap: 0.75rem;
  }
  .countdown-item {
    min-width: 65px;
    padding: 0.75rem;
  }
  .countdown-item span {
    font-size: 1.5rem;
  }
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

/* Sobre o evento */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.about-text p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.about-image {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.about-image img {
  width: 100%;
  height: auto;
  transform: scale(1.05);
  transition: transform 0.5s;
}

.about-image:hover img {
  transform: scale(1);
}

/* Cards (Para Quem, Por Que) */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.card {
  background: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  border: 1px solid var(--color-border);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-hover);
  border-color: var(--color-primary-light);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-bg-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Palestrantes */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.speaker-card {
  background: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.speaker-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-hover);
}

.speaker-image {
  height: 300px;
  background-color: var(--color-bg-alt);
  position: relative;
  overflow: hidden;
}

.speaker-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.speaker-card:hover .speaker-image img {
  transform: scale(1.05);
}

/* Imagem temporária/placeholder styles */
.placeholder-img {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  font-size: 3rem;
  opacity: 0.5;
}

.speaker-info {
  padding: var(--spacing-md);
}

.speaker-info h3 {
  margin-bottom: 0.25rem;
  font-size: 1.25rem;
}

.speaker-role {
  color: var(--color-primary);
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: block;
}

.speaker-bio {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Programação */
.schedule-container {
  max-width: 900px;
  margin: 0 auto;
}

.schedule-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.schedule-item:last-child {
  border-bottom: none;
}

.schedule-time {
  font-weight: 600;
  color: var(--color-primary);
}

.schedule-content h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-body);
}

.schedule-content p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Trilhas */
.tracks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
}

.track-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-primary-light);
}

.track-badge {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  margin-bottom: 1rem;
}

.track-card h3 {
  font-size: 1.25rem;
  color: var(--color-white);
}

.track-speaker {
  font-style: italic;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1rem;
  display: block;
}

.track-card p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
}

/* Ingressos */
.tickets-card {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.tickets-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--color-primary);
}

.ticket-price {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin: var(--spacing-sm) 0;
}

.ticket-features {
  text-align: left;
  margin: var(--spacing-md) 0;
}

.ticket-features li {
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
}

/* Local */
.location-wrapper {
  background: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.location-info {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.location-map {
  background: #ddd; /* placeholder para mapa */
  min-height: 300px;
}

.location-map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* FAQ */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.5rem 0;
  background: none;
  border: none;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-answer p {
  padding-bottom: 1.5rem;
  color: var(--color-text-muted);
}

.faq-icon {
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* CTA Final */
.cta-section {
  text-align: center;
}

.cta-section h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

/* Footer */
.footer {
  background-color: var(--color-text-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
  color: var(--color-white);
  font-family: var(--font-heading);
  margin-bottom: 1rem;
}

.footer-links h4 {
  color: var(--color-white);
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

.footer-links ul li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

/* Animações (Scroll) */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsivo */
@media (max-width: 992px) {
  .about-grid, .location-wrapper {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .hero h1 {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: clip-path 0.4s ease-in-out;
    gap: 1.5rem;
  }

  .nav-links.active {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }

  .nav-links .btn {
    width: 100%;
  }

  .nav-toggle {
    display: block;
  }

  .hero h1 {
    font-size: 2.25rem;
  }
  
  .hero-info {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .schedule-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}