/* =============================================
   PORTFOLIO ARTUR GUERRA - CSS PRINCIPAL
   Design moderno e responsivo
   ============================================= */

/* =============================================
   CSS RESET & VARIÁVEIS
   ============================================= */
:root {
  /* Cores principais */
  --primary-color: #4A90E2;
  --secondary-color: #28a745;
  --accent-color: #FF6B6B;
  --dark-color: #2C3E50;
  --light-color: #ECF0F1;
  --white: #FFFFFF;
  --black: #000000;
  --gray-light: #BDC3C7;
  --gray-medium: #7F8C8D;
  --gray-dark: #34495E;
  
  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-dark: linear-gradient(135deg, #434343 0%, #000000 100%);
  
  /* Sombras */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.2);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.3);
  
  /* Tipografia */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-secondary: 'Poppins', sans-serif;
  --font-mono: 'Fira Code', 'Monaco', 'Cascadia Code', monospace;
  
  /* Tamanhos de fonte */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 1.875rem;
  --fs-4xl: 2.25rem;
  --fs-5xl: 3rem;
  --fs-6xl: 3.75rem;
  
  /* Espaçamentos */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Transições */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--dark-color);
  background-color: var(--white);
  overflow-x: hidden;
}

/* =============================================
   UTILITÁRIOS GLOBAIS
   ============================================= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-3xl) 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.section-padding {
  padding: var(--spacing-3xl) 0;
}

.text-center {
  text-align: center;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-bg {
  background: var(--gradient-primary);
}

/* =============================================
   TIPOGRAFIA
   ============================================= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--fs-5xl);
}

h2 {
  font-size: var(--fs-4xl);
}

h3 {
  font-size: var(--fs-3xl);
}

h4 {
  font-size: var(--fs-2xl);
}

h5 {
  font-size: var(--fs-xl);
}

h6 {
  font-size: var(--fs-lg);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--gray-dark);
}

.lead {
  font-size: var(--fs-lg);
  font-weight: 300;
  color: var(--gray-medium);
}

/* =============================================
   COMPONENTES BASE
   ============================================= */

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-primary);
  font-size: var(--fs-base);
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-height: 48px;
  user-select: none;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card-header {
  padding: var(--spacing-xl);
  background: var(--gradient-primary);
  color: var(--white);
}

.card-body {
  padding: var(--spacing-xl);
}

.card-footer {
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--light-color);
  border-top: 1px solid var(--gray-light);
}

/* =============================================
   HEADER & NAVEGAÇÃO
   ============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.1);
  transition: all var(--transition-normal);
}

.header.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: var(--shadow-md);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
  height: 80px;
}

.logo {
  font-family: var(--font-secondary);
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--dark-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo:hover {
  color: var(--primary-color);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--dark-color);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

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

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

.lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-left: var(--spacing-lg);
}

.lang-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--gray-light);
  background: var(--white);
  color: var(--gray-medium);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--fs-sm);
  font-weight: 600;
}

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

/* Menu Mobile */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--dark-color);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =============================================
   SEÇÃO HERO
   ============================================= */
.hero {
  min-height: 100vh;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: var(--fs-6xl);
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  font-size: var(--fs-xl);
  font-weight: 300;
  margin-bottom: var(--spacing-2xl);
  opacity: 0.9;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-description {
  font-size: var(--fs-lg);
  margin-bottom: var(--spacing-2xl);
  opacity: 0.8;
  animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-scroll {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  color: var(--white);
  font-size: var(--fs-sm);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  opacity: 0.8;
  animation: bounce 2s infinite;
}

/* =============================================
   SEÇÕES PRINCIPAIS
   ============================================= */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title h2 {
  font-size: var(--fs-4xl);
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-title p {
  font-size: var(--fs-lg);
  color: var(--gray-medium);
  max-width: 600px;
  margin: 0 auto;
}

/* =============================================
   GRID LAYOUTS
   ============================================= */
.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-10px) translateX(-50%);
  }
  60% {
    transform: translateY(-5px) translateX(-50%);
  }
}

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

/* Classes de animação */
.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.8s ease-out;
}

.animate-fade-in-right {
  animation: fadeInRight 0.8s ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

/* =============================================
   RESPONSIVIDADE
   ============================================= */
@media (max-width: 768px) {
  :root {
    --fs-6xl: 2.5rem;
    --fs-5xl: 2rem;
    --fs-4xl: 1.75rem;
    --fs-3xl: 1.5rem;
    --spacing-3xl: 2rem;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 999;
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: var(--fs-4xl);
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .hero-content {
    padding: 0 var(--spacing-md);
  }
  
  .section {
    min-height: auto;
    padding: var(--spacing-2xl) 0;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--fs-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--fs-lg);
  }
  
  .btn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--fs-sm);
  }
}

/* =============================================
   UTILITÁRIOS DE VISIBILIDADE
   ============================================= */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hidden {
  display: none !important;
}

.invisible {
  visibility: hidden;
}

.opacity-0 {
  opacity: 0;
}

.opacity-50 {
  opacity: 0.5;
}

.opacity-100 {
  opacity: 1;
}

/* =============================================
   ESTADOS DE FOCUS E ACESSIBILIDADE
   ============================================= */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.btn:focus,
.nav-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Modo de alto contraste */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #0066cc;
    --secondary-color: #009900;
    --dark-color: #000000;
    --gray-medium: #555555;
  }
}

/* Preferência por movimento reduzido */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* =============================================
   SEÇÃO DE CONTATO
   ============================================= */

/* Hero Title Animation */
.hero-title {
  background: linear-gradient(45deg, #4a90e2, #f39c12, #e74c3c, #4a90e2);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 3s ease-in-out infinite;
  font-weight: 800;
  text-shadow: none;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Fallback for browsers that don't support background-clip */
@supports not (-webkit-background-clip: text) {
  .hero-title {
    background: none;
    color: var(--primary-color);
    -webkit-text-fill-color: initial;
  }
}

/* Profile Image Styles */
.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal);
}

.about-image {
  position: relative;
  width: 400px;
  height: 400px;
  margin: 0 auto;
  flex-shrink: 0;
}

.profile-image:hover {
  transform: scale(1.02);
}

@media (max-width: 768px) {
  .about-image {
    width: 300px;
    height: 300px;
    margin-bottom: var(--spacing-xl);
  }
}

@media (max-width: 480px) {
  .about-image {
    width: 250px;
    height: 250px;
  }
}

/* Skills Section Styles */
.skills-grid .skill-item {
  margin-bottom: var(--spacing-lg);
}

.skill-name {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--dark-color);
}

.skill-bar {
  height: 8px;
  background: var(--light-color);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 2s ease-in-out;
  width: 0;
}

.card:hover .skill-progress {
  animation: fillBar 2s ease-in-out forwards;
}

@keyframes fillBar {
  to { width: var(--target-width, 0%); }
}

.soft-skill {
  text-align: center;
  padding: var(--spacing-lg);
}

.soft-skill i {
  font-size: var(--fs-3xl);
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.soft-skill h4 {
  color: var(--dark-color);
  font-size: var(--fs-lg);
}

/* Contact Section Styles */
.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.contact-item i {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  font-size: var(--fs-lg);
  flex-shrink: 0;
}

.contact-item h4 {
  margin-bottom: var(--spacing-xs);
  color: var(--dark-color);
}

.contact-item a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.contact-item a:hover {
  color: var(--dark-color);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.social-links a {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-normal);
  font-size: var(--fs-lg);
}

.social-links a:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--dark-color);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--gray-light);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: var(--fs-base);
  transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--accent-color);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* WhatsApp Button Specific Styles */
.contact-form .btn-primary {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  border: none;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
  transition: all var(--transition-normal);
}

.contact-form .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
  background: linear-gradient(135deg, #128C7E 0%, #25D366 100%);
}

.contact-form .btn-primary:disabled {
  opacity: 0.7;
  transform: none;
  cursor: not-allowed;
}

.contact-form .btn-primary i {
  margin-right: var(--spacing-sm);
  font-size: 1.1em;
}

/* Footer Styles */
.footer {
  background: var(--dark-color);
  color: var(--white);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--fs-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.footer-section h4 {
  margin-bottom: var(--spacing-md);
  color: var(--white);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--gray-light);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.footer-section a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid var(--gray-dark);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--gray-light);
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

/* =============================================
   CV DOWNLOAD SECTION
   ============================================= */
.cv-download {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: flex-start;
}

.cv-download .btn {
  min-width: 150px;
  flex: 1;
  max-width: 200px;
}

/* Controle de visibilidade inicial dos botões CV */
.cv-btn-en {
  display: none;
}

.cv-btn-pt {
  display: inline-flex;
}

@media (max-width: 480px) {
  .cv-download {
    flex-direction: column;
  }
  
  .cv-download .btn {
    width: 100%;
    max-width: none;
  }
}