/* ===== CSS Variables ===== */
:root {
  --color-white: #ffffff;
  --color-black: #1a1a1a;
  --color-blue: #0A2463; /* Accent */
  --color-red: #D8315B; /* Primary/Interactive */
  --color-light-gray: #f4f6f9;
  --color-border: #e0e4e8;
  
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  
  --max-width: 1200px;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
  
  --transition-speed: 0.3s;
}

/* ===== Reset & Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-white);
  color: var(--color-black);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-speed);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-blue);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  position: relative;
  display: inline-block;
}

h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 50%;
  height: 4px;
  background-color: var(--color-red);
  border-radius: 2px;
}

h3 {
  font-size: 1.5rem;
  color: var(--color-black);
}

p {
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
}

/* ===== Layout Utilities ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
}

.bg-light {
  background-color: var(--color-light-gray);
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-speed);
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-red);
  color: var(--color-white);
  box-shadow: 0 4px 6px rgba(216, 49, 91, 0.2);
}

.btn-primary:hover {
  background-color: #b02447;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(216, 49, 91, 0.3);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.btn-outline:hover {
  background-color: var(--color-blue);
  color: var(--color-white);
}

/* ===== Navigation (Injected via JS) ===== */
.navbar {
  background-color: var(--color-white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-blue);
  letter-spacing: -0.5px;
}

.nav-logo span {
  color: var(--color-red);
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  font-weight: 500;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-red);
  transition: width var(--transition-speed);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--color-blue);
}

/* ===== Footer (Injected via JS) ===== */
.footer {
  background-color: var(--color-blue);
  color: var(--color-white);
  padding: var(--spacing-lg) 0;
  margin-top: auto;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed);
}

.social-icon:hover {
  background-color: var(--color-red);
  transform: translateY(-3px);
}

.footer-text {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  .nav-links {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: center;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  }
  
  .nav-links.show {
    max-height: 400px;
  }
  
  .nav-link {
    display: block;
    width: 100%;
    text-align: center;
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
  }
}