/* ===== NOVA IDENTIDADE VISUAL - ESTILO AWS RE:INVENT ===== */

/* Importando fontes modernas */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Cores AWS re:Invent */
  --aws-orange: #FF9900;
  --aws-orange-light: #FFB84D;
  --aws-orange-dark: #E6890A;
  --aws-blue: #232F3E;
  --aws-blue-light: #37475A;
  --aws-blue-dark: #161E2D;
  --aws-white: #FFFFFF;
  --aws-gray-light: #F2F3F3;
  --aws-gray: #879196;
  --aws-gray-dark: #5A6C75;
  
  /* Gradientes dinâmicos */
  --gradient-primary: linear-gradient(135deg, #FF9900 0%, #FFB84D 100%);
  --gradient-secondary: linear-gradient(135deg, #232F3E 0%, #37475A 100%);
  --gradient-hero: linear-gradient(135deg, #232F3E 0%, #161E2D 50%, #FF9900 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  
  /* Sombras modernas */
  --shadow-soft: 0 4px 20px rgba(35, 47, 62, 0.08);
  --shadow-medium: 0 8px 30px rgba(35, 47, 62, 0.12);
  --shadow-strong: 0 15px 40px rgba(35, 47, 62, 0.15);
  --shadow-glow: 0 0 30px rgba(255, 153, 0, 0.3);
}

/* Reset e base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--aws-blue);
  background: var(--aws-gray-light);
  overflow-x: hidden;
}

/* ===== HERO SECTION MODERNA ===== */
.hero {
  background: var(--gradient-hero);
  color: var(--aws-white);
  text-align: center;
  padding: 60px 20px 40px;
  position: relative;
  overflow: hidden;
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255, 153, 0, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 153, 0, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #FFFFFF 0%, #FFB84D 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  animation: fadeInUp 1s ease-out;
}

.hero p {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 400;
  opacity: 0.95;
  max-width: 800px;
  margin: 0 auto 40px;
  animation: fadeInUp 1s ease-out 0.2s both;
}

/* ===== NAVEGAÇÃO MODERNA ===== */
.hero-nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  justify-content: center;
  gap: 0;
  padding: 0;
  margin: 0;
  box-shadow: var(--shadow-soft);
  position: sticky;
  top: 0;
  z-index: 100;
}

.hero-nav a {
  text-decoration: none;
  font-weight: 600;
  color: var(--aws-blue);
  padding: 20px 30px;
  transition: all 0.3s ease;
  position: relative;
  border-bottom: 3px solid transparent;
  font-size: 0.95rem;
}

.hero-nav a:hover {
  background: var(--gradient-primary);
  color: var(--aws-white);
  border-bottom-color: var(--aws-orange-dark);
  transform: translateY(-2px);
}

/* ===== SEÇÃO DE VALORES MODERNA ===== */
.valores-section {
  padding: 80px 20px;
  background: var(--aws-white);
  position: relative;
}

.valores-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.valores-lista {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.valor {
  background: var(--aws-white);
  border-radius: 20px;
  padding: 40px 30px;
  box-shadow: var(--shadow-medium);
  border: 1px solid rgba(255, 153, 0, 0.1);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.valor::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.valor:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-strong);
  border-color: var(--aws-orange);
}

.valor:hover::before {
  transform: scaleX(1);
}

.valor h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--aws-blue);
}

.valor p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--aws-gray-dark);
}

/* ===== CARDS DE CURSO MODERNOS ===== */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
  padding: 60px 20px;
  max-width: 1400px;
  margin: 0 auto;
}

.course-card {
  background: var(--aws-white);
  border-radius: 24px;
  padding: 30px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 153, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 450px;
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.course-card:hover {
  transform: translateY(-15px) scale(1.02);
  box-shadow: var(--shadow-strong), var(--shadow-glow);
  border-color: var(--aws-orange);
}

.course-card:hover::before {
  opacity: 1;
}

.course-card img.badge {
  max-width: 120px;
  margin: 0 auto 20px;
  border-radius: 12px;
  transition: transform 0.3s ease;
}

.course-card:hover img.badge {
  transform: scale(1.1);
}

.course-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--aws-blue);
  line-height: 1.4;
}

.course-card p {
  font-size: 0.95rem;
  color: var(--aws-gray-dark);
  margin-bottom: 20px;
  flex-grow: 1;
  line-height: 1.6;
}

.course-card .rating {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 15px 0;
  font-weight: 600;
  flex-wrap: wrap;
}

.course-card .bestseller {
  background: var(--gradient-primary);
  color: var(--aws-white);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: var(--shadow-soft);
}

.course-card .students {
  font-size: 0.9rem;
  color: var(--aws-gray);
  margin-bottom: 20px;
}

.course-card .buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: auto;
}

.course-card .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background: var(--gradient-primary);
  color: var(--aws-white);
  text-decoration: none;
  border-radius: 25px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.course-card .btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* ===== FOOTER MODERNO ===== */
footer {
  background: var(--gradient-secondary);
  color: var(--aws-white);
  padding: 80px 20px 40px;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 70%, rgba(255, 153, 0, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.footer-img {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--aws-orange);
  box-shadow: var(--shadow-strong);
  transition: transform 0.3s ease;
}

.footer-img:hover {
  transform: scale(1.05);
}

.footer-text {
  max-width: 600px;
}

.footer-text h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #FFFFFF 0%, #FFB84D 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-text p {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 15px;
  opacity: 0.9;
}

/* ===== ANIMAÇÕES ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 40px 20px 30px;
    min-height: 35vh;
  }
  
  .hero-nav {
    flex-direction: column;
    gap: 0;
  }
  
  .hero-nav a {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255, 153, 0, 0.1);
  }
  
  .valores-lista {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .course-grid {
    grid-template-columns: 1fr;
    gap: 25px;
    padding: 40px 15px;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 40px;
    text-align: center;
  }
  
  .footer-img {
    width: 200px;
    height: 200px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 30px 15px 25px;
  }
  
  .valores-section {
    padding: 60px 15px;
  }
  
  .valor {
    padding: 30px 20px;
  }
  
  .course-card {
    padding: 25px 20px;
    min-height: 400px;
  }
}

/* ===== ELEMENTOS DECORATIVOS ===== */
.geometric-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.05;
  background-image: 
    linear-gradient(45deg, var(--aws-orange) 25%, transparent 25%),
    linear-gradient(-45deg, var(--aws-orange) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--aws-orange) 75%),
    linear-gradient(-45deg, transparent 75%, var(--aws-orange) 75%);
  background-size: 60px 60px;
  background-position: 0 0, 0 30px, 30px -30px, -30px 0px;
  pointer-events: none;
}

/* ===== EFEITOS ESPECIAIS ===== */
.glow-effect {
  position: relative;
}

.glow-effect::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--gradient-primary);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.glow-effect:hover::after {
  opacity: 0.7;
  animation: pulse 2s infinite;
}

/* ANIMAÇÕES AVANÇADAS DESABILITADAS */