* {
  box-sizing: border-box;
}

:root {
  --primary-color: #1e3a8a;
  --accent-color: #f59e0b;
  --text-color: #1e293b;
  --bg-color: #f8fafc;
  --bg-secondary: #e2e8f0;
  --white: #ffffff;
}

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  padding-top: 80px;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0;
  font-weight: 600;
  line-height: 1.3;
}

h1 { font-size: calc(1.675rem + 4.2vw); }
h2 { font-size: calc(1.425rem + 1.1vw); }
h3 { font-size: calc(1.375rem + .8vw); }
h5 { font-size: 1.375rem; }

p {
  margin-top: 0;
  margin-bottom: 1.25rem;
}

a {
  text-decoration: none;
  color: var(--accent-color);
  transition: all 0.3s ease;
}

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

img {
  vertical-align: middle;
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  padding-right: 1rem;
  padding-left: 1rem;
  margin-right: auto;
  margin-left: auto;
  max-width: 1200px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -1rem;
  margin-left: -1rem;
}

.row > * {
  flex-shrink: 0;
  width: 100%;
  max-width: 100%;
  padding-right: 1rem;
  padding-left: 1rem;
}

.col-12 { width: 100%; }
.col-lg-4 { width: 33.33%; }
.col-lg-5 { width: 41.67%; }
.col-lg-6 { width: 50%; }
.col-lg-8 { width: 66.67%; }
.col-md-4 { width: 33.33%; }
.col-md-5 { width: 41.67%; }
.col-md-6 { width: 50%; }
.col-md-7 { width: 58.33%; }
.col-xl-3 { width: 25%; }
.col-xl-4 { width: 33.33%; }
.col-xl-5 { width: 41.67%; }
.col-xl-6 { width: 50%; }
.col-xl-7 { width: 58.33%; }
.col-xxl-4 { width: 33.33%; }
.col-xxl-5 { width: 41.67%; }
.col-xxl-6 { width: 50%; }

.display-3 {
  font-size: calc(1.675rem + 4.2vw);
  font-weight: 700;
  line-height: 1.15;
}

.display-5 {
  font-size: calc(1.525rem + 2.4vw);
  font-weight: 600;
  line-height: 1.15;
}

.fs-1 { font-size: 1.625rem; }
.fs-2 { font-size: 1.4375rem; }
.fs-3 { font-size: 1.3125rem; }
.fw-bold { font-weight: 600; }

.navbar {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  margin-left: 2rem;
}

.nav-link {
  color: var(--text-color);
  font-weight: 500;
  padding: 0.5rem 0;
}

.nav-link:hover {
  color: var(--accent-color);
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
}

.navbar-toggler-icon {
  width: 25px;
  height: 20px;
  background: linear-gradient(to bottom, var(--text-color) 2px, transparent 2px, transparent 8px, var(--text-color) 8px, var(--text-color) 10px, transparent 10px, transparent 16px, var(--text-color) 16px);
}

.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.9), rgba(245, 158, 11, 0.8)), url('../files/sub5.webp');
  background-size: cover;
  background-position: center;
}

.gradient-bg {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

.bg-bg-2 {
  background-color: var(--bg-secondary);
}

.bg-bg-3 {
  background-color: var(--bg-color);
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-action-1 {
  background-color: var(--accent-color);
  color: var(--white);
}

.btn-action-1:hover {
  background-color: #d97706;
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(245, 158, 11, 0.3);
}

.text-action-1 {
  color: var(--accent-color);
}

.form-control, .form-select {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--bg-secondary);
  border-radius: 0.75rem;
  background-color: var(--white);
  font-family: inherit;
  transition: border-color 0.3s ease;
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.form-label {
  font-weight: 500;
  margin-bottom: 0.5rem;
  display: block;
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  flex-shrink: 0;
}

.form-check-label {
  cursor: pointer;
}

.decorated-border {
  position: relative;
  overflow: hidden;
}

.decorated-border::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
  border-radius: 0 4px 4px 0;
}

.text-center { text-align: center; }
.text-white { color: var(--white); }
.text-md-start { text-align: left; }
.text-md-end { text-align: right; }

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

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-7 { margin-bottom: 1.75rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-9 { margin-bottom: 2.25rem; }
.mb-13 { margin-bottom: 3.25rem; }
.mb-16 { margin-bottom: 4rem; }
.me-4 { margin-right: 1rem; }
.ms-auto { margin-left: auto; }
.my-4 { margin-top: 1rem; margin-bottom: 1rem; }
.my-5 { margin-top: 1.25rem; margin-bottom: 1.25rem; }

.p-8 { padding: 2rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-11 { padding-top: 2.75rem; padding-bottom: 2.75rem; }
.py-lg-21 { padding-top: 5.25rem; padding-bottom: 5.25rem; }

.rounded-3 { border-radius: 1rem; }
.img-fluid { max-width: 100%; height: auto; }
.w-100 { width: 100%; }

.fixed-top {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1030;
}

.navbar-expand-lg .navbar-nav {
  flex-direction: row;
}

.navbar-expand-lg .navbar-collapse {
  display: flex !important;
  flex-basis: auto;
}

.navbar-expand-lg .navbar-toggler {
  display: none;
}

.collapse:not(.show) {
  display: none;
}

.g-4 > * {
  padding: 0.75rem;
}

@media (max-width: 991px) {
  .navbar-expand-lg .navbar-toggler {
    display: block;
  }
  
  .navbar-expand-lg .navbar-collapse {
    display: none !important;
  }
  
  .navbar-expand-lg .navbar-collapse.show {
    display: block !important;
  }
  
  .navbar-nav {
    flex-direction: column;
    padding-top: 1rem;
  }
  
  .nav-item {
    margin-left: 0;
    margin-bottom: 0.5rem;
  }
  
  .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-8 {
    width: 100%;
    margin-bottom: 2rem;
  }
}

@media (max-width: 767px) {
  .col-md-4, .col-md-5, .col-md-6, .col-md-7 {
    width: 100%;
    margin-bottom: 2rem;
  }
  
  .text-md-start, .text-md-end {
    text-align: center;
  }
  
  .flex-column-reverse {
    flex-direction: column;
  }
  
  .hero-section h1 {
    font-size: 2.5rem;
  }
  
  .py-lg-21 {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
}