/* Root Variables */
:root {
  --primary-bg: #0a0e17;
  --secondary-bg: #151921;
  --card-bg: #1a1f2e;
  --accent-color: #4a9eff;
  --text-primary: #e4e6eb;
  --text-secondary: #b0b3b8;
  --border-color: #2d3748;
  --shadow-color: rgba(0, 0, 0, 0.5);
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
  color: var(--text-primary);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  min-height: 100vh;
}

/* Navigation */
.navbar {
  background: rgba(26, 31, 46, 0.95) !important;
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  box-shadow: 0 2px 10px var(--shadow-color);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-color) !important;
  transition: transform 0.3s ease;
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.navbar-nav .nav-link {
  color: var(--text-secondary) !important;
  margin: 0 0.5rem;
  padding: 0.5rem 1rem !important;
  border-radius: 8px;
  transition: all 0.3s ease;
  font-weight: 500;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--accent-color) !important;
  background: rgba(74, 158, 255, 0.1);
}

/* Main Content */
.main-content {
  padding-top: 56px;
  padding-bottom: 4rem;
  min-height: calc(100vh - 60px);
}

/* Hero Section */
.hero-section {
  width: 100%;
  display: block;
  position: relative;
  background-color: var(--primary-bg);
  line-height: 0;
  padding: 20px;
  padding-top: 30px;
  box-sizing: border-box;
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

.hero-content {
  text-align: center;
  z-index: 1;
  padding: 2rem;
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #4a9eff 0%, #8a2be2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  animation: fadeInUp 1s ease-out 0.3s both;
}

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

/* Card Sections */
.services-grid-wrapper {
  padding: 2rem 1rem;
}

.services-grid-row {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 2rem;
}

.card-section {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  scroll-margin-top: 56px;
  flex: 1;
}

.card-section:last-of-type {
  padding-bottom: 0;
}

.card-container {
  max-width: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
  opacity: 0;
  transform: translateY(50px);
  animation: slideIn 0.8s ease-out forwards;
  animation-timeline: view();
  animation-range: entry 0% cover 30%;
  background: rgba(26, 31, 46, 0.6);
  padding: 2rem 1.5rem;
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(74, 158, 255, 0.1);
  height: 100%;
}

.card-container.reverse {
  flex-direction: column;
}

@keyframes slideIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card-image {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px var(--shadow-color);
  transition: transform 0.3s ease;
  width: 100%;
  max-width: 600px;
}

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

.card-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
}

.card-content {
  padding: 0;
  text-align: left;
  max-width: 100%;
  width: 100%;
}

.card-text-container {
  background: linear-gradient(180deg, #f5f6f8 0%, #e0e2e6 100%);
  padding: 2rem 1.5rem;
  border-radius: 16px;
  width: 100%;
  max-width: 600px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-align: center;
  color: #1a1f2e;
}

.card-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--accent-color) 0%, #8a2be2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-content p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: #2d3748;
  margin-bottom: 1.5rem;
}

.card-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: block;
  text-align: left;
}

.card-content ul li {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
  color: #2d3748;
  font-size: 1.125rem;
}

.card-content ul li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: #4a9eff;
  font-size: 1.5rem;
  line-height: 1;
}

/* Footer */
.footer {
  background: var(--card-bg);
  color: var(--text-secondary);
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (min-width: 993px) {
  .services-grid-wrapper {
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem;
  }

  .services-grid-row {
    flex-direction: row;
    gap: 2rem;
  }

  .card-section {
    flex: 1;
    min-width: 0;
  }

  .section-title {
    font-size: 2rem;
  }

  .card-content p,
  .card-content ul li {
    font-size: 1rem;
  }
}

@media (max-width: 992px) {
  .hero-title {
    font-size: 3rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .card-content h2 {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  .hero-section {
    padding: 10px;
    padding-top: 20px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .card-section {
    padding: 0.5rem 0.5rem;
    min-height: auto;
  }

  .card-container {
    padding: 1rem 0.75rem;
    gap: 1rem;
  }

  .section-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
  }

  .card-text-container {
    padding: 1.5rem 1rem;
  }

  .card-content {
    padding: 0;
  }

  .card-content h2 {
    font-size: 1.75rem;
  }

  .card-content p,
  .card-content ul li {
    font-size: 1rem;
  }
}

/* Form Styles */
.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}