/* ==============================================
   CLEAN CORPORATE PROFESSIONAL WEBSITE
   ============================================== */

/* CSS Variables - Color System */
:root {
  /* Core Colors */
  --primary: #1E293B;
  --secondary: #64748B;
  --accent: #3B82F6;
  --accent-secondary: #F59E0B;
  --success: #10B981;
  --error: #EF4444;
  --warning: #F59E0B;
  
  /* Background Colors */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #F1F5F9;
  --bg-dark: #0F172A;
  --bg-card: #FFFFFF;
  
  /* Text Colors */
  --text-primary: #1E293B;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --text-white: #FFFFFF;
  
  /* Border Colors */
  --border-light: #E2E8F0;
  --border-medium: #CBD5E1;
  --border-dark: #475569;
  
  /* Typography */
  --font-primary: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-heading: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  
  /* Font Weights */
  --weight-light: 300;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* Line Heights */
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
  
  /* 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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.025em;
}

h2 {
  font-size: var(--text-3xl);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  letter-spacing: -0.025em;
}

h3 {
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
}

h4 {
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  line-height: var(--leading-snug);
}

h5 {
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  line-height: var(--leading-normal);
}

h6 {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  line-height: var(--leading-normal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

p:last-child {
  margin-bottom: 0;
}

.text-lead {
  font-size: var(--text-lg);
  font-weight: var(--weight-normal);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

.text-small {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.text-xs {
  font-size: var(--text-xs);
  line-height: var(--leading-tight);
}

/* Links */
a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* Lists */
ul, ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

li {
  margin-bottom: var(--space-1);
  line-height: var(--leading-relaxed);
}

ul {
  list-style-type: disc;
}

ol {
  list-style-type: decimal;
}

/* Section Layouts */
.section {
  padding: var(--space-20) 0;
}

.section-sm {
  padding: var(--space-16) 0;
}

.section-lg {
  padding: var(--space-24) 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .section {
    padding: var(--space-16) 0;
  }
  
  .section-sm {
    padding: var(--space-12) 0;
  }
  
  .section-lg {
    padding: var(--space-20) 0;
  }
}

/* Background Variations */
.bg-primary {
  background-color: var(--bg-primary);
}

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

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Primary Button */
.btn-primary {
  background-color: var(--accent);
  color: var(--text-white);
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  background-color: #2563EB;
  border-color: #2563EB;
  color: var(--text-white);
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  background-color: #1D4ED8;
  border-color: #1D4ED8;
  box-shadow: var(--shadow-sm);
}

/* Secondary Button */
.btn-secondary {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--bg-secondary);
  border-color: var(--border-dark);
  color: var(--text-primary);
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

/* Outline Button */
.btn-outline {
  background-color: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--accent);
  color: var(--text-white);
  text-decoration: none;
}

.btn-outline:focus {
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Button Sizes */
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-full {
  width: 100%;
}

/* Cards */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-medium);
}

.card-elevated {
  box-shadow: var(--shadow-md);
}

.card-elevated:hover {
  box-shadow: var(--shadow-lg);
}

.card-header {
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-light);
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: 0;
}

.card-body {
  padding: 0;
}

.card-footer {
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-light);
  margin-top: var(--space-4);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Flex Utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Forms */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-input {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-primary);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input:disabled {
  background-color: var(--bg-secondary);
  color: var(--text-muted);
  cursor: not-allowed;
}

.form-select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-position: right var(--space-3) center;
  background-repeat: no-repeat;
  background-size: 1rem 1rem;
  padding-right: var(--space-10);
  appearance: none;
}

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

.form-checkbox,
.form-radio {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.form-checkbox input,
.form-radio input {
  width: 1rem;
  height: 1rem;
  color: var(--accent);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
}

.form-radio input {
  border-radius: var(--radius-full);
}

.form-help {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--error);
  margin-top: var(--space-1);
}

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

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-white { color: var(--text-white); }

/* Spacing Utilities */
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.p-2 { padding: var(--space-2); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* Header Styles */
.header {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.logo {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  text-decoration: none;
}

.logo:hover {
  color: var(--accent);
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav a {
  color: var(--text-secondary);
  font-weight: var(--weight-medium);
  text-decoration: none;
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.nav a:hover {
  color: var(--text-primary);
  text-decoration: none;
}

.nav a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  padding: var(--space-24) 0;
  text-align: center;
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto var(--space-6);
  color: var(--text-primary);
}

.hero .text-lead {
  max-width: 600px;
  margin: 0 auto var(--space-8);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero {
    padding: var(--space-20) 0;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
}

/* Footer */
.footer {
  background-color: var(--bg-dark);
  color: var(--text-white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer h4 {
  color: var(--text-white);
  margin-bottom: var(--space-4);
}

.footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer a:hover {
  color: var(--text-white);
  text-decoration: none;
}

.footer .grid {
  gap: var(--space-8);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  text-align: center;
  color: var(--text-muted);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--accent);
  color: var(--text-white);
}

.badge-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-medium);
}

.badge-success {
  background-color: var(--success);
  color: var(--text-white);
}

.badge-error {
  background-color: var(--error);
  color: var(--text-white);
}

/* Alert/Notification */
.alert {
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  border: 1px solid;
}

.alert-info {
  background-color: #EBF8FF;
  border-color: #BEE3F8;
  color: #2A4365;
}

.alert-success {
  background-color: #F0FDF4;
  border-color: #BBF7D0;
  color: #14532D;
}

.alert-warning {
  background-color: #FFFBEB;
  border-color: #FED7AA;
  color: #92400E;
}

.alert-error {
  background-color: #FEF2F2;
  border-color: #FECACA;
  color: #7F1D1D;
}

/* Divider */
.divider {
  height: 1px;
  background-color: var(--border-light);
  margin: var(--space-6) 0;
}

.divider-vertical {
  width: 1px;
  height: auto;
  background-color: var(--border-light);
  margin: 0 var(--space-6);
}

/* Loading States */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.6),
    transparent
  );
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Focus States for Accessibility */
*:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
}

button:focus,
.btn:focus,
input:focus,
textarea:focus,
select:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  border-color: var(--accent);
}

/* Print Styles */
@media print {
  .btn,
  .nav,
  .footer {
    display: none !important;
  }
  
  .section {
    padding: 0;
  }
  
  .card {
    border: 1px solid #000;
    box-shadow: none;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .loading::after {
    animation: none;
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --border-light: #000000;
    --border-medium: #000000;
    --text-muted: #000000;
  }
  
  .btn-secondary {
    border-width: 2px;
  }
}

/* Dark Mode Support (for systems that prefer it) */
@media (prefers-color-scheme: dark) {
  /* Keep light theme as per design requirements */
  /* This ensures the clean corporate look remains consistent */
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}