/* =========================================
   RDFinCare Global Styles
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Brand Colors from Logo */
  --color-primary: #0050A0;
  --color-secondary: #3D75AB;
  --color-accent: #F5A623;
  
  /* UI Colors */
  --color-text-main: #1F2937;
  --color-text-muted: #6B7280;
  --color-bg-main: #F9FAFB;
  --color-bg-white: #FFFFFF;
  --color-border: #E5E7EB;

  /* Typography */
  --font-family: 'Inter', sans-serif;
  
  /* Box Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
}

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

body {
  font-family: var(--font-family);
  color: var(--color-text-main);
  background-color: var(--color-bg-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

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

h1 { font-size: 3rem; margin-bottom: 1rem; }
h2 { font-size: 2.25rem; margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
p { margin-bottom: 1rem; color: var(--color-text-muted); }

/* =========================================
   Buttons
   ========================================= */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-secondary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #fff;
}

.btn-accent:hover {
  background-color: #e0941c;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

/* =========================================
   Header & Navigation
   ========================================= */
header {
  background-color: var(--color-bg-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  height: 50px;
  width: auto;
  border-radius: 4px;
}

.logo span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  font-weight: 500;
  color: var(--color-text-main);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0%;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

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

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--color-primary);
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-bg-white);
  padding: 100px 0;
  text-align: center;
}

.hero h1 {
  color: var(--color-bg-white);
  font-size: 3.5rem;
  margin-bottom: 20px;
  animation: fadeInDown 0.8s ease-out;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto 30px;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero .btn-group {
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* =========================================
   Sections
   ========================================= */
.section {
  padding: 80px 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  width: 50%;
  height: 3px;
  bottom: -10px;
  left: 25%;
  background-color: var(--color-accent);
}

/* =========================================
   Cards (Services/Features)
   ========================================= */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.card {
  background-color: var(--color-bg-white);
  border-radius: 8px;
  padding: 30px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
}

.card-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.card h3 {
  margin-bottom: 15px;
}

.card-action {
  margin-top: auto;
  padding-top: 20px;
}

/* =========================================
   About Layout
   ========================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}

/* =========================================
   Contact Forms
   ========================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 50px;
}

.contact-info {
  background-color: var(--color-primary);
  color: #fff;
  padding: 40px 30px;
  border-radius: 8px;
}

.contact-info h3 {
  color: #fff;
}

.contact-info p {
  color: rgba(255,255,255,0.8);
}

.contact-item {
  margin-top: 30px;
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--color-accent);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--color-text-main);
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-family);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 80, 160, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* =========================================
   Footer
   ========================================= */
footer {
  background-color: #111827;
  color: #9CA3AF;
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: #fff;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.footer-col p {
  color: #9CA3AF;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 20px;
  text-align: center;
  font-size: 0.9rem;
}

/* =========================================
   Animations
   ========================================= */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================
   Responsive
   ========================================= */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--color-bg-white);
    padding: 20px;
    box-shadow: var(--shadow-md);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }

  .hero h1 { font-size: 2.5rem; }
  
  .about-grid, .contact-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
}