/* ===============================
   SendMyDisputes - Global Styles
   Beautiful Modern Design
   =============================== */

/* Variables */
:root {
  /* Modern Color Palette */
  --primary: #667eea;
  --primary-dark: #5a67d8;
  --primary-light: #7c3aed;
  --secondary: #48bb78;
  --secondary-dark: #38a169;
  --accent: #ed8936;
  --danger: #f56565;
  --warning: #ecc94b;
  --info: #4299e1;
  
  /* Neutrals */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --black: #000000;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #5a67d8 100%);
  --gradient-dark: linear-gradient(135deg, #1f2937 0%, #111827 100%);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Poppins', var(--font-sans);
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
}

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



html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scroll-padding-top: 120px; /* Account for fixed header + buffer */
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--white);
  margin: 0;
  padding: 0;
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

/* Ensure last child has no bottom margin */
body > :last-child {
  margin-bottom: 0;
}

/* Main content area - no bottom spacing */
.main-content {
  margin: 0;
  padding-top: 80px; /* For fixed header */
  padding-bottom: 0;
  margin-bottom: 0;
  flex: 1 0 auto; /* Ensure it grows to fill space */
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
}

p {
  margin-bottom: 1rem;
  color: var(--gray-700);
  line-height: 1.8;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--primary-dark);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Header Styles */
header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-base);
}

header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
}

nav a {
  font-weight: 500;
  color: var(--gray-700);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-base);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

nav a:hover {
  color: var(--primary);
}

nav a:hover::after {
  width: 100%;
}

.header-cta {
  background: var(--gradient-primary);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all var(--transition-base);
  box-shadow: var(--shadow);
}

.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  margin: 5px 0;
  transition: all var(--transition-base);
}

/* Main Content */
main {
  /* Removed conflicting styles - handled by .main-content class */
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  gap: 0.5rem;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
}

.btn:hover::before {
  transform: translateX(0);
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
}

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  box-shadow: none;
}

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

.btn-large {
  padding: 1.25rem 3rem;
  font-size: 1.125rem;
  border-radius: var(--radius-xl);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 0.875rem 1.25rem;
  font-size: 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  background: var(--white);
  transition: all var(--transition-base);
  font-family: var(--font-sans);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

input.error,
textarea.error,
select.error {
  border-color: var(--danger);
}

input.error:focus,
textarea.error:focus,
select.error:focus {
  box-shadow: 0 0 0 3px rgba(245, 101, 101, 0.1);
}

.form-error {
  color: var(--danger);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-error i {
  font-size: 0.75rem;
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

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

/* Footer */
footer {
  background: var(--gradient-dark);
  color: var(--white);
  padding: var(--space-xl) 0 0;
  margin: 0;
  padding-bottom: 0;
  flex-shrink: 0;
  margin-top: auto; /* Push footer to bottom */
}

footer,
.main-footer {
  margin-bottom: 0;
  padding-bottom: 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr; /* Added 4th column for Partners */
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  padding-bottom: 0;
}

.footer-brand h3 {
  background: linear-gradient(135deg, #ffffff 0%, #e5e7eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--gray-400);
  margin-bottom: 1.5rem;
}

.footer-links h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links ul {
  list-style: none;
}

.footer-links a {
  color: var(--gray-400);
  transition: color var(--transition-base);
  display: inline-block;
  padding: 0.25rem 0;
}

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

.footer-bottom {
  text-align: center;
  padding: var(--space-lg) 0 var(--space-lg);
  margin-bottom: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--gray-400);
  font-size: 0.875rem;
}

.footer-bottom p {
  margin: 0;
}









/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.modal.show {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.modal.show .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--gray-400);
  cursor: pointer;
  padding: 0.5rem;
  transition: color var(--transition-base);
}

.modal-close:hover {
  color: var(--gray-700);
}

.modal-body {
  padding: var(--space-lg);
}

/* Loading States */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  margin-top: 1rem;
  font-weight: 600;
  color: var(--gray-700);
}

/* Notifications */
.notification {
  position: fixed;
  top: 100px;
  right: 20px;
  max-width: 400px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-md);
  transform: translateX(420px);
  transition: transform var(--transition-base);
  z-index: 2500;
}

.notification.show {
  transform: translateX(0);
}

.notification-success {
  border-left: 4px solid var(--secondary);
}

.notification-error {
  border-left: 4px solid var(--danger);
}

.notification-info {
  border-left: 4px solid var(--info);
}

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.animate-slide-in {
  animation: slideIn 0.6s ease forwards;
}

.animate-pulse {
  animation: pulse 2s ease infinite;
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--gray-500); }

.bg-primary { background: var(--gradient-primary); }
.bg-secondary { background: var(--gradient-secondary); }
.bg-light { background: var(--gray-50); }
.bg-white { background: var(--white); }

.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }

.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }

.hidden { display: none !important; }
.visible { display: block !important; }

/* Tablet - Footer 2x2 grid */
@media (max-width: 1024px) and (min-width: 769px) {
  .footer-content {
    grid-template-columns: 1fr 1fr; /* 2x2 grid on tablet */
    gap: var(--space-lg);
  }
}

/* Mobile - Stack everything */
@media (max-width: 768px) {
  .header-content {
    padding: 0.75rem 0;
  }
  
  nav ul {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    transition: transform var(--transition-base);
  }
  
  nav.mobile-open ul {
    transform: translateY(0);
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .footer-content {
    grid-template-columns: 1fr; /* Stack on mobile */
    text-align: center;
  }
}