@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ===== EloContábil — Landing Page Dark Theme ===== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #0a0f1a;
  color: #f1f5f9;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --- Navbar --- */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.4s ease;
  background: transparent;
}

.landing-nav.scrolled {
  background: rgba(6, 11, 20, 0.9);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  padding: 0.75rem 2rem;
  border-bottom: 1px solid rgba(6, 182, 212, 0.08);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #06b6d4 0%, #0ea5e9 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
}

.nav-brand-text {
  font-size: 1.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #06b6d4, #22d3ee);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #06b6d4, #22d3ee);
  border-radius: 1px;
  transition: width 0.3s;
}

.nav-links a:hover {
  color: #22d3ee;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.5rem;
  background: linear-gradient(135deg, #06b6d4 0%, #0ea5e9 100%);
  color: #0a0f1a !important;
  -webkit-text-fill-color: #0a0f1a !important;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
  transition: all 0.3s;
  text-decoration: none;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(6, 182, 212, 0.45);
  color: #0a0f1a !important;
  -webkit-text-fill-color: #0a0f1a !important;
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #f1f5f9;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7rem 2rem 4rem;
  background: #0a0f1a;
  background-image:
    radial-gradient(ellipse at 30% 50%, rgba(6, 182, 212, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 30%, rgba(14, 165, 233, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.08), transparent 70%);
  top: -300px;
  right: -200px;
  pointer-events: none;
  animation: hero-glow 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.06), transparent 70%);
  bottom: -200px;
  left: -100px;
  pointer-events: none;
  animation: hero-glow 8s ease-in-out infinite reverse;
}

@keyframes hero-glow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.15); }
}

.hero-content {
  max-width: 800px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #22d3ee;
  margin-bottom: 2rem;
  letter-spacing: 0.3px;
  backdrop-filter: blur(8px);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  color: #f1f5f9;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero h1 span {
  background: linear-gradient(135deg, #06b6d4 0%, #22d3ee 50%, #0ea5e9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  background: linear-gradient(135deg, #06b6d4 0%, #0ea5e9 100%);
  color: #0a0f1a;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.3);
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

.hero-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(6, 182, 212, 0.45);
  color: #0a0f1a;
}

.hero-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s;
  cursor: pointer;
  backdrop-filter: blur(8px);
}

.hero-btn-secondary:hover {
  border-color: rgba(6, 182, 212, 0.3);
  background: rgba(6, 182, 212, 0.08);
  color: #22d3ee;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.1);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

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

.hero-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: #06b6d4;
  line-height: 1;
  margin-bottom: 0.3rem;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  font-weight: 500;
}

/* --- Section Common --- */
.landing-section {
  padding: 6rem 2rem;
}

.section-container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.9rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.15);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #22d3ee;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #f1f5f9;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.section-description {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.45);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

/* --- Features Section --- */
.features-section {
  background: #0d1321;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #06b6d4, #0ea5e9);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.15);
  background: rgba(6, 182, 212, 0.04);
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #06b6d4 0%, #0ea5e9 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.25);
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 0.6rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.6;
}

/* --- About Section --- */
.about-section {
  background: #0a0f1a;
  background-image: radial-gradient(ellipse at 80% 50%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #f1f5f9;
  margin-bottom: 1.25rem;
}

.about-text p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-highlight-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 1.25rem;
  transition: all 0.3s;
  backdrop-filter: blur(4px);
}

.about-highlight-item:hover {
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.15);
}

.highlight-icon {
  width: 42px;
  height: 42px;
  min-width: 42px;
  background: rgba(6, 182, 212, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.highlight-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 0.25rem;
}

.highlight-text p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.5;
  margin-bottom: 0;
}

/* --- Contact Section --- */
.contact-section {
  background: #0d1321;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #f1f5f9;
  margin-bottom: 1rem;
}

.contact-info p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(6, 182, 212, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

.contact-detail-text {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}

.contact-detail-text strong {
  display: block;
  color: #f1f5f9;
  margin-bottom: 0.15rem;
}

.contact-form-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(8px);
}

.contact-form-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 1.5rem;
}

.contact-form .form-group {
  margin-bottom: 1rem;
}

.contact-form .form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0.4rem;
}

.contact-form .form-input,
.contact-form .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  color: #f1f5f9;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: all 0.3s;
  outline: none;
}

.contact-form .form-input:focus,
.contact-form .form-textarea:focus {
  border-color: #06b6d4;
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
  background: rgba(255, 255, 255, 0.07);
}

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

.contact-form .form-input::placeholder,
.contact-form .form-textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.contact-submit-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem;
  background: linear-gradient(135deg, #06b6d4 0%, #0ea5e9 100%);
  color: #0a0f1a;
  border: none;
  border-radius: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
  margin-top: 0.5rem;
}

.contact-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(6, 182, 212, 0.45);
}

/* --- Footer --- */
.landing-footer {
  background: #060b14;
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.footer-brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #06b6d4 0%, #0ea5e9 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.footer-brand-text {
  font-size: 1.1rem;
  font-weight: 700;
  background: linear-gradient(135deg, #06b6d4, #22d3ee);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-text {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: 0.5rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1.5rem;
}

.footer-links a {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #22d3ee;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-mobile-toggle {
    display: block;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

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

  .hero-stats {
    gap: 1.5rem;
  }

  .hero-stat-value {
    font-size: 1.5rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 6rem 1.25rem 3rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .landing-section {
    padding: 4rem 1.25rem;
  }
}