@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&family=Roboto:wght@400;500&display=swap');

:root {
  --primary-blue: #1E3A8A;
  --secondary-teal: #0D9488;
  --bg-light: #F8FAFC;
  --accent-orange: #F97316;
  --text-dark: #1F2937;
  --text-light: #4B5563;
  --white: #FFFFFF;
  
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Roboto', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background-color: var(--bg-light);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary-blue);
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-family: var(--font-heading);
  border-radius: 0.375rem;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
}

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

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

.btn-accent {
  background-color: var(--accent-orange);
  color: var(--white);
  border: 2px solid var(--accent-orange);
}

.btn-accent:hover {
  background-color: var(--white);
  color: var(--accent-orange);
}

/* Header */
.site-header {
  background-color: var(--white);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 0;
}

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

.logo img {
  height: 50px;
}

.main-nav ul {
  display: flex;
  gap: 2rem;
}

.main-nav a {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-dark);
}

.main-nav a:hover {
  color: var(--secondary-teal);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    padding: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  }
  .main-nav.active {
    display: block;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 1rem;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .header-cta .btn {
    display: none; /* Hide standard CTA on mobile header to save space */
  }
}

/* Hero Section */
.hero {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--bg-light) 0%, #E2E8F0 100%);
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero .subtext {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 800px;
  margin: 0 auto 2rem;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  .hero-ctas {
    flex-direction: column;
  }
}

/* Trust Bar */
.trust-bar {
  background-color: var(--primary-blue);
  color: var(--white);
  text-align: center;
  padding: 1rem 0;
  font-weight: 500;
}

/* Grid Layouts */
.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 3rem;
}

.section-padding {
  padding: 5rem 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

/* Cards */
.card {
  background: var(--white);
  border-radius: 0.5rem;
  padding: 2rem;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  text-align: center;
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card-icon {
  font-size: 2.5rem;
  color: var(--secondary-teal);
  margin-bottom: 1rem;
}

.card h3 {
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-light);
}

/* Treatment Approach (Step by step) */
.approach-steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  background: var(--white);
  padding: 1.5rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.step-number {
  background: var(--secondary-teal);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-heading);
  flex-shrink: 0;
}

/* Footer / Sticky CTAs */
.site-footer {
  background: var(--primary-blue);
  color: var(--white);
  padding: 3rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.footer-col h4 {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  color: #CBD5E1;
  margin-bottom: 0.5rem;
}

.footer-col a:hover {
  color: var(--white);
}

/* Sticky Mobile Bottom Bar */
.mobile-sticky-footer {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--white);
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
  z-index: 1000;
  padding: 0.5rem;
}

.mobile-sticky-footer .btn {
  flex: 1;
  padding: 0.75rem;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .mobile-sticky-footer {
    display: flex;
    gap: 0.5rem;
  }
  body {
    padding-bottom: 60px; /* Space for sticky footer */
  }
}