/* Modern Color Scheme */
:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary-color: #10b981;
  --accent-color: #f59e0b;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --bg-light: #f9fafb;
  --bg-lighter: #f3f4f6;
  --border-color: #e5e7eb;
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
}

html {
  font-size: 14px;
}

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

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

body {
  margin-bottom: 60px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  color: var(--text-dark);
  background-color: #ffffff;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 120px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-top: -10px;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -1px;
  animation: fadeInDown 0.8s ease-out;
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 40px;
  opacity: 0.95;
  line-height: 1.6;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons .btn {
  padding: 15px 35px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
  text-decoration: none;
}

.hero-buttons .btn-primary {
  background-color: white;
  color: var(--primary-color);
  border: 2px solid white;
}

.hero-buttons .btn-primary:hover {
  background-color: var(--bg-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hero-buttons .btn-outline-light {
  background-color: transparent;
  color: white;
  border: 2px solid white;
}

.hero-buttons .btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Features Section */
.features-section {
  padding: 100px 20px;
  background-color: var(--bg-light);
}

.container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 60px;
  color: var(--text-dark);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background: white;
  padding: 40px 30px;
  border-radius: 12px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-color);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
  border-color: var(--primary-light);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  display: inline-block;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--text-dark);
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.6;
  margin: 0;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  color: white;
  padding: 80px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 15px;
}

.cta-content p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  opacity: 0.95;
}

.cta-content .btn-light {
  background-color: white;
  color: var(--primary-color);
  border: none;
  padding: 15px 40px;
}

.cta-content .btn-light:hover {
  background-color: var(--bg-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Animations */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Button Styles */
.btn {
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.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 var(--primary-light);
}

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

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

.form-control {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 16px;
  transition: all 0.3s ease;
}

.form-control:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.1);
}

/* Responsive Design */
/* Header/Navigation Styles */
header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1030;
}

.bg-gradient {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.4rem;
  color: white !important;
  transition: all 0.3s ease;
}

.navbar-brand:hover {
  opacity: 0.9;
}

.brand-icon {
  font-size: 1.6rem;
  height: 50px;
}

.brand-text {
  letter-spacing: -0.5px;
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 500;
  margin: 0 10px;
  transition: all 0.3s ease;
  position: relative;
}

.navbar-dark .navbar-nav .nav-link:hover {
  color: white !important;
}

.navbar-dark .navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 10px;
  right: 10px;
  height: 2px;
  background-color: white;
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.navbar-dark .navbar-nav .nav-link:hover::after {
  transform: scaleX(1);
}

.navbar-toggler {
  border: none;
  padding: 8px 12px;
}

.navbar-toggler:focus {
  box-shadow: none;
  outline: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 4px;
}

/* Footer Styles */
.footer-section {
  background: linear-gradient(135deg, var(--text-dark) 0%, #0f172a 100%);
  color: white;
  padding: 60px 20px 0;
  margin-top: 80px;
  border-top: 3px solid var(--primary-color);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-section-col h4,
.footer-section-col h5 {
  font-weight: 700;
  margin-bottom: 15px;
  color: white;
}

.footer-section-col h5 {
  font-size: 1rem;
}

.footer-section-col p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin: 0;
}

.footer-section-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section-col ul li {
  margin-bottom: 10px;
}

.footer-section-col ul li a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.footer-section-col ul li a:hover {
  color: white;
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding: 20px 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* Container padding adjustment for main content */
main {
  padding-bottom: 30px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

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

  .section-title {
    font-size: 1.8rem;
  }

  .cta-content h2 {
    font-size: 1.8rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }

  .navbar-brand {
    font-size: 1.2rem;
  }

  .footer-content {
    gap: 30px;
  }
}

/* Contact Us CTA */
.contact-cta {
  text-align: center;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
}

.contact-cta-text {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 20px;
}

/* Contact Modal Overlay */
.contact-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
}

.contact-modal-overlay[hidden] {
  display: none;
}

/* Contact Modal Box */
.contact-modal {
  background: white;
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalSlideIn 0.25s ease-out;
}

@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.contact-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px 16px;
  border-bottom: 1px solid var(--border-color);
}

.contact-modal-header h3 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
}

.contact-modal-close {
  background: none;
  border: none;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--text-light);
  cursor: pointer;
  padding: 0 4px;
  transition: color 0.2s;
}

.contact-modal-close:hover {
  color: var(--text-dark);
}

.contact-modal-subtitle {
  padding: 16px 28px 0;
  color: var(--text-light);
  margin: 0;
}

/* Contact Form */
#contactForm {
  padding: 20px 28px 28px;
}

.contact-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}

.contact-form-group label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-dark);
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.required {
  color: var(--error);
}

.char-counter {
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--text-light);
}

.contact-input {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.95rem;
  color: var(--text-dark);
  background-color: white;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  font-family: inherit;
}

.contact-input:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.contact-textarea {
  resize: vertical;
  min-height: 100px;
}

.contact-form-error {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--error);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.contact-form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 8px;
}

/* Contact Success State */
.contact-success {
  padding: 40px 28px;
  text-align: center;
}

.contact-success-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.contact-success h4 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-dark);
}

.contact-success p {
  color: var(--text-light);
  margin-bottom: 24px;
}

/* Responsive: stack form rows on small screens */
@media (max-width: 540px) {
  .contact-form-row {
    grid-template-columns: 1fr;
  }

  .contact-modal-header,
  #contactForm {
    padding-left: 20px;
    padding-right: 20px;
  }

  .contact-modal-subtitle {
    padding-left: 20px;
    padding-right: 20px;
  }
}