:root {
  /* Oxford Theme Integration Mapping */
  --primary-color: #334155;
  --primary-hover: #1e293b;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --bg-white: #ffffff;
  --bg-light: #f1f5f9;
  --border-color: #e2e8f0;
  
  /* Soft Shadows and Accent Glows matched to Oxford colors */
  --accent-glow: rgba(100, 116, 139, 0.12);
  --card-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.03), 0 2px 4px -1px rgba(15, 23, 42, 0.02);
  --card-shadow-hover: 0 20px 25px -5px rgba(51, 65, 85, 0.08), 0 10px 10px -5px rgba(51, 65, 85, 0.04);
  
  /* System Animations */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Body Setup */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-white);
  min-height: 100vh;
  line-height: 1.6;
}

/* Header & Navigation Styling */
.banner {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem 1rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.02);
}

.banner-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .banner-container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.banner-brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.banner-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.banner-title-block h1 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  letter-spacing: -0.03em;
}

.banner-title-block p {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  display: none;
}

@media (min-width: 850px) {
  .banner-title-block p {
    display: block;
  }
}

/* Oxford Navigation Links */
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  transition: var(--transition-smooth);
}

nav a:hover {
  color: var(--text-main);
  background-color: var(--bg-light);
}

nav a.active {
  background-color: var(--primary-color);
  color: var(--bg-white) !important;
  box-shadow: 0 2px 8px rgba(51, 65, 85, 0.15);
}

/* Main Layout Wrapper */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

/* Hero Presentation Components */
.hero {
  text-align: center;
  margin-bottom: 4rem;
  animation: fadeIn 0.8s ease-out;
}

.hero h2 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 1.5rem auto;
  font-weight: 400;
}

.effective-date {
  font-size: 0.95rem;
  color: var(--primary-color);
  font-weight: 600;
  background-color: var(--bg-light);
  padding: 0.35rem 1rem;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

/* App Download Badges Alignment */
.download-badge-container {
  display: flex;
  justify-content: center;
}

.download-badge img {
  height: 64px;
  transition: var(--transition-smooth);
  filter: drop-shadow(0 2px 8px rgba(15, 23, 42, 0.06));
}

.download-badge img:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 10px 15px rgba(15, 23, 42, 0.12));
}

/* Dashboard Feature Cards Container */
.features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  box-shadow: var(--card-shadow);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--text-muted);
  opacity: 0;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--text-muted);
}

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

.feature-card strong {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Legal Documents & Nested Content Blocks */
.policy-text h3 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 3.5rem 0 1.25rem 0;
  letter-spacing: -0.02em;
}

.policy-text p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.policy-text ul {
  list-style-type: none;
  padding: 0;
  margin-bottom: 2rem;
}

.policy-text li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.policy-text li::before {
  content: "■";
  position: absolute;
  left: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  top: 2px;
}

.policy-text strong {
  color: var(--text-main);
  font-weight: 700;
}

/* Contact Card Formatting */
.contact-section {
  max-width: 620px;
  margin: 0 auto;
}

.contact-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 3rem;
  box-shadow: var(--card-shadow);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.form-group label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  display: block;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-main);
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  background-color: var(--bg-white);
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.submit-button {
  background-color: var(--primary-color);
  color: var(--bg-white);
  border: none;
  border-radius: 8px;
  padding: 1rem 2rem;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 2px 4px rgba(51, 65, 85, 0.1);
}

.submit-button:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(51, 65, 85, 0.2);
}

/* Team & QA Showcases Grid Layouts */
.team-section {
  margin-top: 6rem;
  border-top: 1px solid var(--border-color);
  padding-top: 4rem;
}

.section-heading {
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: -0.03em;
  color: var(--primary-color);
 
}

.section-subheading {
  font-size: 1.5rem;
  font-weight: 800;
  text-align: center;
  margin: 4.5rem 0 2.5rem 0;
  color: var(--primary-color);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.team-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition-smooth);
  box-shadow: var(--card-shadow);
}

.team-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.02);
  border-color: var(--text-muted);
}

.team-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.team-card p {
  color: var(--text-main);
  font-weight: 600;
}

.qa-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.qa-group-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
}

.qa-group-card h4 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border-color);
}

.qa-group-card li {
  font-size: 1rem;
  color: var(--text-muted);
  padding: 0.45rem 0;
  border-bottom: 1px dashed rgba(226, 232, 240, 0.5);
  font-weight: 500;
}

.qa-group-card li:last-child {
  border-bottom: none;
}

/* Inline Address Information Box */
.contact-block {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  margin-top: 1.5rem;
}

/* Footnotes & Footer Structuring */
footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-light);
  padding: 3rem 1rem;
  text-align: center;
  margin-top: 6rem;
}

footer p {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Subtle Structural Entry Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}