/* Global styles - corporate B2B theme, modern and clean */
:root {
  --primary: #1e6fb8;
  --primary-dark: #0d4a7a;
  --primary-light: #4a90d9;
  --secondary: #f5a623;
  --accent: #ff6b35;
  --text: #2c3e50;
  --text-light: #5a6c7d;
  --text-muted: #8a99a8;
  --bg: #ffffff;
  --bg-light: #f8fafc;
  --bg-grey: #eef2f5;
  --border: #e1e8ed;
  --border-light: #f0f3f6;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
  --radius: 6px;
  --radius-lg: 12px;
  --container: 1200px;
  --header-height: 80px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }
*::before, *::after { box-sizing: border-box; }

html {
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1 0 auto; }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 1rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.875rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p { margin: 0 0 1rem; }

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

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

ul, ol { padding-left: 1.5rem; }

button { font-family: inherit; cursor: pointer; }

input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 111, 184, 0.1);
}

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

/* Layout */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
}
.section-sm { padding: 2.5rem 0; }
.section-lg { padding: 5rem 0; }

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}
.section-title h2 {
  position: relative;
  display: inline-block;
  margin-bottom: 0.75rem;
}
.section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--primary);
  margin: 0.75rem auto 0;
  border-radius: 2px;
}
.section-title p {
  color: var(--text-light);
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}
.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.875rem; }
.btn-lg { padding: 0.95rem 2.25rem; font-size: 1.05rem; }

/* Grid */
.grid { display: grid; gap: 1.5rem; }
.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: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Cards */
.card {
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  border-color: var(--border);
}

/* Utility */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* Breadcrumb */
.breadcrumb {
  background: var(--bg-light);
  padding: 1rem 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-light);
}
.breadcrumb-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-light);
}
.breadcrumb-list li:not(:last-child)::after {
  content: '›';
  color: var(--text-muted);
  margin-left: 0.5rem;
}
.breadcrumb-list a {
  color: var(--primary);
}
.breadcrumb-list a:hover { text-decoration: underline; }
.breadcrumb-list [aria-current="page"] {
  color: var(--text);
  font-weight: 500;
}

/* Page header */
.page-header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  padding: 3rem 0 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}
.page-header > * { position: relative; z-index: 1; }
.page-header h1 {
  color: #fff;
  margin: 0 0 0.5rem;
}
.page-header p {
  margin: 0;
  opacity: 0.9;
  font-size: 1.1rem;
}

/* Forms */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
  color: var(--text);
  font-size: 0.95rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.6s ease-out; }

/* Image placeholder */
.placeholder-img {
  background: linear-gradient(135deg, #e0e7ee 0%, #c5d2dd 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  aspect-ratio: 4/3;
}
.placeholder-img::after {
  content: attr(data-text);
}

/* Print friendly */
@media print {
  header, footer, nav, .breadcrumb, .btn { display: none !important; }
  body { color: #000; }
}