/* ==========================================================================
   Apanhei do Excel - v2 (Modern Tech Theme)
   Estilos Globais, Variáveis, Tipografia e Layout
   ========================================================================== */

/* 1. VARIÁVEIS CSS (DESIGN TOKENS) */
:root {
  /* Cores Principais (Modern Tech: Escuro elegante + Verde Esmeralda/Excel + Acentos Ciano) */
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.7);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: #10b981;
  
  /* Cores de Destaque */
  --accent-green: #10b981;      /* Verde Excel / Sucesso / CTA */
  --accent-green-light: #34d399;
  --accent-green-glow: rgba(16, 185, 129, 0.25);
  
  --accent-blue: #0284c7;       /* Azul Android / Tech */
  --accent-cyan: #06b6d4;       /* Ciano de Destaque */
  --accent-cyan-glow: rgba(6, 182, 212, 0.2);
  
  --accent-purple: #8b5cf6;     /* Roxo de Contraste */
  --accent-amber: #f59e0b;      /* Dourado para Avaliações */
  
  /* Textos */
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-inverse: #030712;
  
  /* Tipografia */
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  /* Espaçamento e Layout */
  --container-max: 1200px;
  --container-padding: 1.5rem;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  
  /* Sombras e Efeitos */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 25px var(--accent-green-glow);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 2. RESET E BASE */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(16, 185, 129, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(6, 182, 212, 0.06) 0%, transparent 45%);
  background-attachment: fixed;
}

img, svg, picture, video {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button, input, select, textarea {
  font: inherit;
}

ul, ol {
  list-style: none;
}

/* 3. TIPOGRAFIA */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
}

h1 {
  font-size: clamp(2.2rem, 4vw + 1rem, 3.5rem);
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(1.75rem, 2.5vw + 0.5rem, 2.35rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.35rem;
}

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-green-light) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-blue {
  background: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 4. ESTRUTURA E CONTAINER */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section-spacing {
  padding: 5rem 0;
}

@media (max-width: 768px) {
  .section-spacing {
    padding: 3.5rem 0;
  }
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-green-light);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.125rem;
}

/* 5. HEADER & NAVBAR */
site-header {
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.logo-brand .logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1.1rem;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.35);
}

.logo-brand .logo-img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(16, 185, 129, 0.35));
}

.logo-brand .logo-text span {
  color: var(--accent-green-light);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-green);
  transition: width var(--transition-fast);
}

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

.nav-cta-desktop {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 0.5rem;
  cursor: pointer;
}

.mobile-toggle svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 991px) {
  .nav-menu {
    position: fixed;
    top: 4.5rem;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 1.5rem var(--container-padding);
    gap: 1.25rem;
    align-items: flex-start;
    display: none;
    box-shadow: var(--shadow-lg);
  }
  
  .nav-menu.open {
    display: flex;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .nav-cta-desktop {
    display: none;
  }
}

/* 6. BOTÕES */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
  background: linear-gradient(135deg, #34d399 0%, #059669 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-subtle);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #22bf5b;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: 1.05rem;
}

/* 7. HERO SECTION */
.hero-section {
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--accent-cyan);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-title {
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.stat-item .stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-green-light);
  line-height: 1.1;
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-visual {
  position: relative;
}

.hero-card-preview {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-lg), 0 0 30px rgba(16, 185, 129, 0.15);
  position: relative;
  backdrop-filter: blur(12px);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.hero-card-preview:hover {
  transform: translateY(-4px);
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: var(--shadow-lg), 0 0 35px rgba(16, 185, 129, 0.25);
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-dots {
  display: flex;
  gap: 6px;
}

.hero-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #374151;
}
.hero-dots span:nth-child(1) { background: #ef4444; }
.hero-dots span:nth-child(2) { background: #f59e0b; }
.hero-dots span:nth-child(3) { background: #10b981; }

.tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tech-pill {
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

@media (max-width: 991px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* 8. FOOTER */
.site-footer {
  background: #060911;
  border-top: 1px solid var(--border-subtle);
  padding: 4.5rem 0 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--accent-green-light);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.875rem;
  color: var(--text-muted);
}

@media (max-width: 850px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 500px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}