:root {
  --primary: #1a237e;
  --primary-light: #534bae;
  --primary-dark: #000051;
  --secondary: #f9a826;
  
  --light: #f8f9fa;
  --dark: #212121;
  --gray: #757575;
  --light-gray: #f5f5f5;
  
  --transition: all 0.3s ease;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-heavy: 0 20px 40px rgba(0, 0, 0, 0.1);
  --radius: 8px;
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: #fff;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--primary);
}

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.8rem;
}

h4 {
  font-size: 1.4rem;
}

p {
  margin-bottom: 1rem;
  color: var(--gray);
}

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

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

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--primary);
  position: relative;
  display: inline-block;
  padding-bottom: 15px;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--secondary);
  border-radius: 2px;
}

.section-title p {
  color: var(--gray);
  max-width: 700px;
  margin: 1rem auto 0;
  font-size: 1.1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: 'Inter', sans-serif;
}

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

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

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

.btn-secondary:hover {
  background-color: rgba(26, 35, 126, 0.05);
  transform: translateY(-2px);
}

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

.btn-accent:hover {
  background-color: #e69900;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.9rem;
}

.card {
  background-color: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-content {
  padding: 25px;
}

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

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

.form-control {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid #ddd;
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: var(--transition);
  background-color: white;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.1);
}

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

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

.text-right {
  text-align: right;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-column { flex-direction: column; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

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

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

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

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

@media (max-width: 1200px) {
  .container {
    padding: 0 30px;
  }
}

@media (max-width: 992px) {
  h1 {
    font-size: 2.8rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  .section {
    padding: 80px 0;
  }
  
  .grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.3rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.6rem;
  }
  
  .container {
    padding: 0 20px;
  }
  
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .btn {
    padding: 10px 20px;
    font-size: 0.95rem;
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.slide-up {
  animation: slideInUp 0.6s ease forwards;
}

.slide-left {
  animation: slideInLeft 0.6s ease forwards;
}

@media print {
  .no-print { display: none !important; }
  body { font-size: 12pt; line-height: 1.4; }
  .container { max-width: 100%; padding: 0; }
  .section { padding: 20px 0; page-break-inside: avoid; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --light: #0a0a0a;
    --dark: #ffffff;
    --gray: #d1d1d1;
    --light-gray: #1a1a1a;
    --primary: #7986cb;
    --primary-light: #9fa8da;
    --primary-dark: #5c6bc0;
    --secondary: #ffb74d;
  }
  
  body {
    background-color: var(--light);
    color: var(--dark);
  }
  
  h1, h2, h3, h4, h5, h6 {
    color: var(--primary-light);
  }
  
  .section-title h2 {
    color: var(--primary-light);
  }
  
  .section-title h2::after {
    background-color: var(--secondary);
  }
  
  p {
    color: var(--gray);
  }
  
  a {
    color: var(--primary-light);
  }
  
  a:hover {
    color: var(--secondary);
  }
  
  .card {
    background-color: var(--light-gray);
    border: 1px solid rgba(255, 255, 255, 0.08);
  }
  
  .card:hover {
    border-color: rgba(255, 183, 77, 0.2);
  }
  
  .btn-primary {
    background-color: var(--primary);
    color: #0a0a0a;
  }
  
  .btn-primary:hover {
    background-color: var(--primary-light);
  }
  
  .btn-secondary {
    color: var(--primary-light);
    border-color: var(--primary);
  }
  
  .btn-secondary:hover {
    background-color: rgba(121, 134, 203, 0.15);
  }
  
  .btn-accent {
    background-color: var(--secondary);
    color: #0a0a0a;
  }
  
  .btn-accent:hover {
    background-color: #ffa726;
  }
  
  .form-control {
    background-color: #2a2a2a;
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--dark);
  }
  
  .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(121, 134, 203, 0.3);
  }
  
  .form-label {
    color: var(--primary-light);
  }
  
  .bg-light {
    background-color: #1a1a1a;
  }
  
  .bg-light-gray {
    background-color: #222222;
  }
  
  .bg-primary {
    background-color: var(--primary);
    color: #0a0a0a;
  }
  
  .bg-primary-dark {
    background-color: var(--primary-dark);
    color: white;
  }
  
  ::-webkit-scrollbar {
    width: 12px;
  }
  
  ::-webkit-scrollbar-track {
    background: var(--light);
  }
  
  ::-webkit-scrollbar-thumb {
    background: var(--primary-dark);
    border-radius: 6px;
    border: 3px solid var(--light);
  }
  
  ::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
  }
}