/* ==========================================================================
   DK Intermediações Tecnológicas - Design System & Modern Stylesheet
   ========================================================================== */

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

:root {
  /* Color Palette - Dark & Vibrant Tech Theme */
  --bg-dark: #070913;
  --bg-dark-secondary: #0D111E;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-hover: rgba(28, 36, 56, 0.9);
  --border-light: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(14, 165, 233, 0.4);
  
  --primary: #0EA5E9;       /* Cyan */
  --primary-hover: #0284C7;
  --primary-glow: rgba(14, 165, 233, 0.25);
  
  --secondary: #6366F1;     /* Indigo */
  --accent: #8B5CF6;        /* Violet */
  --emerald: #10B981;       /* Success green */

  --gradient-brand: linear-gradient(135deg, #0EA5E9 0%, #6366F1 50%, #8B5CF6 100%);
  --gradient-text: linear-gradient(135deg, #FFFFFF 30%, #94A3B8 100%);
  --gradient-accent-text: linear-gradient(135deg, #38BDF8 0%, #818CF8 50%, #C084FC 100%);

  --text-bright: #FFFFFF;
  --text-muted: #94A3B8;
  --text-subtle: #64748B;
  
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --shadow-glow: 0 0 25px rgba(14, 165, 233, 0.15);
}

/* Reset & Base Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-bright);
}

body {
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--bg-dark);
  color: var(--text-bright);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background Glowing Elements */
.bg-glow-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}

.blob-1 {
  top: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--primary) 0%, rgba(14, 165, 233, 0) 70%);
}

.blob-2 {
  top: 30%;
  right: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--secondary) 0%, rgba(99, 102, 241, 0) 70%);
}

.blob-3 {
  bottom: 10%;
  left: 10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, var(--accent) 0%, rgba(139, 92, 246, 0) 70%);
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

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

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.25);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-tag i {
  font-size: 0.75rem;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition-normal);
}

.navbar.scrolled {
  padding: 12px 0;
  background: rgba(7, 9, 19, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-bright);
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #fff;
  box-shadow: 0 0 15px rgba(14, 165, 233, 0.4);
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-text span {
  color: var(--primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-bright);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 26px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  border: 1px solid transparent;
  outline: none;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(14, 165, 233, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(14, 165, 233, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-bright);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
}

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

.btn-block {
  width: 100%;
}

/* Hero Section */
.hero-section {
  padding: 180px 0 100px 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 580px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.hero-badge-group {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--border-light);
}

.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-badge-item i {
  color: var(--emerald);
}

.hero-visual {
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 10px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid var(--border-light);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}

.hero-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: calc(var(--radius-lg) - 6px);
}

.floating-card {
  position: absolute;
  padding: 16px 20px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glass);
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 2;
  animation: floatAnim 4s ease-in-out infinite alternate;
}

.card-top-right {
  top: -20px;
  right: -20px;
}

.card-bottom-left {
  bottom: -20px;
  left: -20px;
  animation-delay: -2s;
}

.floating-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(14, 165, 233, 0.15);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.floating-icon.purple {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent);
}

.floating-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.floating-info h4 {
  font-size: 1rem;
  color: var(--text-bright);
}

@keyframes floatAnim {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-12px); }
}

/* Stats Section Bar */
.stats-section {
  padding: 60px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background: rgba(13, 17, 30, 0.5);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-card {
  padding: 20px;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 6px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* About Section */
.about-section {
  padding: 120px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 24px;
  line-height: 1.7;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 1rem;
  color: var(--text-bright);
}

.features-list li i {
  color: var(--primary);
  font-size: 1.1rem;
  margin-top: 3px;
  background: rgba(14, 165, 233, 0.1);
  padding: 6px;
  border-radius: 50%;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-glass);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Solutions Section */
.solutions-section {
  padding: 120px 0;
  background: var(--bg-dark-secondary);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px auto;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.card-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.card-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: var(--transition-normal);
}

.card-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), var(--shadow-glow);
}

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

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.2);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.card-item:nth-child(2) .card-icon {
  background: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.2);
  color: var(--secondary);
}

.card-item:nth-child(3) .card-icon {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.2);
  color: var(--accent);
}

.card-item:nth-child(4) .card-icon {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.2);
  color: var(--emerald);
}

.card-item h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--text-bright);
}

.card-item p {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Contact Section & Form */
.contact-section {
  padding: 120px 0;
  position: relative;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 60px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-glass);
}

.contact-info h2 {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 40px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-method-item {
  display: flex;
  align-items: center;
  gap: 18px;
}

.method-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.2);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.method-details p {
  font-size: 0.8rem;
  color: var(--text-subtle);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.method-details h4 {
  font-size: 1rem;
  color: var(--text-bright);
}

/* Contact Form UI */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  background: rgba(7, 9, 19, 0.6);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-bright);
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
  background: rgba(7, 9, 19, 0.9);
}

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

.form-alert {
  padding: 14px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  display: none;
  align-items: center;
  gap: 10px;
}

.form-alert.success {
  display: flex;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34D399;
}

.form-alert.error {
  display: flex;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #F87171;
}

/* Modern Corporate Footer */
.footer {
  background: #04060C;
  border-top: 1px solid var(--border-light);
  padding: 80px 0 40px 0;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 16px;
  margin-bottom: 24px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 1.05rem;
  margin-bottom: 20px;
  color: var(--text-bright);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

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

/* Footer Corporate Legal Info Card */
.corporate-info-card {
  background: rgba(18, 24, 38, 0.6);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.info-item i {
  color: var(--primary);
  font-size: 0.95rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.info-item strong {
  color: var(--text-bright);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.875rem;
  color: var(--text-subtle);
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-badge-group {
    justify-content: center;
  }

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

  .contact-wrapper {
    grid-template-columns: 1fr;
    padding: 40px;
  }

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

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(7, 9, 19, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    transition: var(--transition-normal);
  }

  .nav-menu.active {
    left: 0;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-group-row {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}