* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    color: #2d3748;
    background-color: #f8fafc;
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 0;
    font-weight: 700;
    line-height: 1.25;
}

h1 { font-size: calc(1.375rem + 1.5vw); }
h2 { font-size: calc(1.325rem + .9vw); }
h3 { font-size: calc(1.3rem + .6vw); }
h4 { font-size: calc(1.275rem + .3vw); }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-top: 0;
    margin-bottom: 1rem;
}
.mx-auto{
    margin: 0 auto;
}
a {
    color: #2563eb;
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: #1d4ed8;
    opacity: 0.8;
}

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

.display-3 {
    font-size: calc(1.575rem + 3.9vw);
    font-weight: 700;
    line-height: 1.1;
}

.display-4 {
    font-size: calc(1.475rem + 2.7vw);
    font-weight: 700;
    line-height: 1.1;
}

.display-5 {
    font-size: calc(1.425rem + 2.1vw);
    font-weight: 700;
    line-height: 1.1;
}

.container {
    width: 100%;
    padding-right: 0.75rem;
    padding-left: 0.75rem;
    margin-right: auto;
    margin-left: auto;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -0.75rem;
    margin-left: -0.75rem;
}

.row > * {
    flex-shrink: 0;
    width: 100%;
    max-width: 100%;
    padding-right: 0.75rem;
    padding-left: 0.75rem;
}

.col-12 { flex: 0 0 auto; width: 100%; }
.col-6 { flex: 0 0 auto; width: 50%; }
.col-4 { flex: 0 0 auto; width: 33.333333%; }
.col-3 { flex: 0 0 auto; width: 25%; }

.btn {
    display: inline-block;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    border: 1px solid transparent;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    color: #fff;
    background-color: #2563eb;
    border-color: #2563eb;
}

.btn-primary:hover {
    color: #fff;
    background-color: #1d4ed8;
    border-color: #1d4ed8;
}

.btn-warning {
    color: #1f2937;
    background-color: #fbbf24;
    border-color: #fbbf24;
}

.btn-warning:hover {
    color: #1f2937;
    background-color: #f59e0b;
    border-color: #f59e0b;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    border-radius: 0.75rem;
}

.form-control, .form-select {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #374151;
    background-color: #fff;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus, .form-select:focus {
    color: #374151;
    background-color: #fff;
    border-color: #2563eb;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

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

.form-check {
    display: block;
    min-height: 1.5rem;
    padding-left: 1.75rem;
    margin-bottom: 0.125rem;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.125rem;
    margin-left: -1.75rem;
    vertical-align: top;
    background-color: #fff;
    border: 1px solid rgba(0, 0, 0, 0.25);
    border-radius: 0.25rem;
}

.form-check-input:checked {
    background-color: #2563eb;
    border-color: #2563eb;
}

.navbar {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.navbar-brand {
    padding-top: 0.3125rem;
    padding-bottom: 0.3125rem;
    margin-right: 1rem;
    font-size: 1.25rem;
    text-decoration: none;
    white-space: nowrap;
}

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

.nav-link {
    display: block;
    padding: 0.5rem 1rem;
    color: #374151;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #2563eb;
}

.navbar-toggler {
    padding: 0.25rem 0.75rem;
    font-size: 1.25rem;
    line-height: 1;
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: 0.25rem;
}

.navbar-collapse {
    flex-basis: 100%;
    flex-grow: 1;
    align-items: center;
}

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

:root {
    --primary: #2563eb;
    --success: #059669;
    --warning: #fbbf24;
    --info: #0ea5e9;
    --light: #f8fafc;
    --dark: #1f2937;
    --secondary: #6b7280;
}

.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-info { color: var(--info) !important; }
.text-light { color: #f1f5f9 !important; }
.text-white { color: #fff !important; }
.text-muted { color: var(--secondary) !important; }

.bg-primary { background-color: var(--primary) !important; }
.bg-success { background-color: var(--success) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-info { background-color: var(--info) !important; }
.bg-light { background-color: var(--light) !important; }
.bg-dark { background-color: var(--dark) !important; }
.bg-white { background-color: #fff !important; }
.bg-secondary { background-color: var(--secondary) !important; }

.gradient-bg {
    background: linear-gradient(135deg, var(--primary) 0%, #1e40af 50%, var(--success) 100%);
}

.bg-success-gradient {
    background: linear-gradient(135deg, var(--success) 0%, #047857 100%);
}

.bg-warning-gradient {
    background: linear-gradient(135deg, var(--warning) 0%, #f59e0b 100%);
}

.bg-secondary-gradient {
    background: linear-gradient(135deg, var(--secondary) 0%, #4b5563 100%);
}

.bg-opacity-90 { background-color: rgba(255, 255, 255, 0.9) !important; }
.bg-opacity-20 { background-color: rgba(255, 255, 255, 0.2) !important; }
.bg-opacity-10 { background-color: rgba(255, 255, 255, 0.1) !important; }
.bg-opacity-5 { background-color: rgba(255, 255, 255, 0.05) !important; }

.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06); }
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }

.rounded { border-radius: 0.25rem !important; }
.rounded-3 { border-radius: 0.5rem !important; }
.rounded-4 { border-radius: 0.75rem !important; }
.rounded-5 { border-radius: 1rem !important; }
.rounded-pill { border-radius: 50rem !important; }
.rounded-circle { border-radius: 50% !important; }

.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }

.overflow-hidden { overflow: hidden !important; }

.d-none { display: none !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }

.flex-wrap { flex-wrap: wrap !important; }
.flex-shrink-0 { flex-shrink: 0 !important; }

.justify-content-start { justify-content: flex-start !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }

.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }
.align-items-center { align-items: center !important; }

.text-center { text-align: center !important; }
.text-start { text-align: left !important; }
.text-end { text-align: right !important; }

.text-decoration-none { text-decoration: none !important; }

.fw-light { font-weight: 300 !important; }
.fw-normal { font-weight: 400 !important; }
.fw-medium { font-weight: 500 !important; }
.fw-bold { font-weight: 700 !important; }

.fs-1 { font-size: 1.25rem !important; }
.fs-2 { font-size: 1.125rem !important; }
.fs-3 { font-size: 1rem !important; }
.fs-4 { font-size: 0.875rem !important; }

.lh-lg { line-height: 1.75 !important; }

.opacity-90 { opacity: 0.9 !important; }
.opacity-95 { opacity: 0.95 !important; }

.w-100 { width: 100% !important; }
.w-40 { width: 40% !important; }
.w-30 { width: 30% !important; }
.w-25 { width: 25% !important; }
.w-50 { width: 50% !important; }

.h-100 { height: 100% !important; }
.min-vh-75 { min-height: 75vh !important; }

.m-0 { margin: 0 !important; }
.m-4 { margin: 1rem !important; }
.m-8 { margin: 2rem !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-4 { margin-bottom: 1rem !important; }
.mb-6 { margin-bottom: 1.5rem !important; }
.mb-8 { margin-bottom: 2rem !important; }
.mb-10 { margin-bottom: 2.5rem !important; }
.mb-15 { margin-bottom: 3.75rem !important; }

.mt-4 { margin-top: 1rem !important; }
.mt-8 { margin-top: 2rem !important; }

.me-3 { margin-right: 0.75rem !important; }
.me-4 { margin-right: 1rem !important; }

.p-6 { padding: 1.5rem !important; }
.p-8 { padding: 2rem !important; }
.p-10 { padding: 2.5rem !important; }

.px-8 { padding-left: 2rem !important; padding-right: 2rem !important; }

.py-3 { padding-top: 0.75rem !important; padding-bottom: 0.75rem !important; }
.py-8 { padding-top: 2rem !important; padding-bottom: 2rem !important; }
.py-12 { padding-top: 3rem !important; padding-bottom: 3rem !important; }
.py-15 { padding-top: 3.75rem !important; padding-bottom: 3.75rem !important; }

.g-4 > * { padding: 0.75rem; }
.g-6 > * { padding: 1.5rem; }
.g-8 > * { padding: 2rem; }

.gap-4 { gap: 1rem !important; }

.z-1 { z-index: 1 !important; }
.z-2 { z-index: 2 !important; }
.z-3 { z-index: 3 !important; }

.hero-section {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 50%, #059669 100%);
    min-height: 100vh;
}

@media (min-width: 576px) {
    .container { max-width: 540px; }
}

@media (min-width: 768px) {
    .container { max-width: 720px; }
    .col-md-6 { flex: 0 0 auto; width: 50%; }
    .navbar-expand-lg .navbar-nav { flex-direction: row; }
    .navbar-expand-lg .navbar-nav .nav-link { padding-right: 0.75rem; padding-left: 0.75rem; }
    .navbar-expand-lg .navbar-collapse { display: flex !important; flex-basis: auto; }
    .navbar-expand-lg .navbar-toggler { display: none; }
}

@media (min-width: 992px) {
    .container { max-width: 960px; }
    .col-lg-3 { flex: 0 0 auto; width: 25%; }
    .col-lg-4 { flex: 0 0 auto; width: 33.333333%; }
    .col-lg-6 { flex: 0 0 auto; width: 50%; }
    .col-lg-8 { flex: 0 0 auto; width: 66.666667%; }
    .py-lg-20 { padding-top: 5rem !important; padding-bottom: 5rem !important; }
    .py-lg-24 { padding-top: 6rem !important; padding-bottom: 6rem !important; }
    .py-lg-25 { padding-top: 6.25rem !important; padding-bottom: 6.25rem !important; }
    .text-lg-end { text-align: right !important; }
    .mt-lg-0 { margin-top: 0 !important; }
    .order-lg-1 { order: 1 !important; }
    .order-lg-2 { order: 2 !important; }
}

@media (min-width: 1200px) {
    .container { max-width: 1140px; }
    .col-xl-6 { flex: 0 0 auto; width: 50%; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
    .display-3 { font-size: 4.5rem; }
    .display-4 { font-size: 3.5rem; }
    .display-5 { font-size: 3rem; }
}

@media (min-width: 1400px) {
    .container { max-width: 1320px; }
}