:root {
    --primary-orange: #FF6B35;
    --primary-teal: #0F766E;
    --primary-blue: #3B82F6;
    --secondary-blue: #60A5FA;
    --light-blue: #DBEAFE;
    --green-success: #10B981;
    --light-green: #D1FAE5;
    --text-dark: #0F172A;
    --text-gray: #64748B;
    --text-light: #94A3B8;
    --bg-light: #F8FAFC;
    --bg-white: #FFFFFF;
    --border-light: #E2E8F0;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    font-size: 16px;
}

/* Typography */
h1 {
    font-size: 3.75rem;
    font-weight: 800;
    line-height: 1.1;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
}

h3 {
    font-size: 1.875rem;
    font-weight: 600;
}

h4 {
    font-size: 1.5rem;
    font-weight: 600;
}

h5 {
    font-size: 1.25rem;
    font-weight: 600;
}

h6 {
    font-size: 1.125rem;
    font-weight: 600;
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-gray);
}

.text-sm {
    font-size: 0.875rem;
}

.text-xs {
    font-size: 0.75rem;
}

/* Buttons */
.btn-orange {
    background-color: var(--primary-orange);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    cursor: pointer;
}

    .btn-orange:hover {
        background-color: #E55A2B;
        transform: translateY(-1px);
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        color: white;
    }

.btn-green {
    background-color: var(--light-green);
    color: var(--green-success);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

    .btn-primary:hover {
        background-color: #2563EB;
        transform: translateY(-1px);
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        color: white;
    }

.btn-secondary {
    background-color: var(--border-light);
    color: var(--text-dark);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

    .btn-secondary:hover {
        background-color: var(--text-light);
        color: white;
    }

/* Form Controls */
.form-control {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-dark);
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 0.5rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

    .form-control:focus {
        border-color: var(--primary-blue);
        outline: 0;
        box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
    }

/* Utility Classes */
.w-100 {
    width: 100%;
}

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

.mb-3 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.mb-5 {
    margin-bottom: 3rem;
}

.mt-3 {
    margin-top: 1rem;
}

.mt-4 {
    margin-top: 1.5rem;
}

/* Container */
.container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
    max-width: 1200px;
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.col, .col-12, .col-md-6, .col-lg-2, .col-lg-4, .col-lg-8, .col-lg-12 {
    position: relative;
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
}

.col-12 {
    flex: 0 0 100%;
    max-width: 100%;
}

@media (min-width: 768px) {
    .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (min-width: 992px) {
    .col-lg-2 {
        flex: 0 0 16.666667%;
        max-width: 16.666667%;
    }

    .col-lg-4 {
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }

    .col-lg-8 {
        flex: 0 0 66.666667%;
        max-width: 66.666667%;
    }

    .col-lg-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

.progressbar {
    counter-reset: step;
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    padding-left: 0;
    list-style: none;
}

    .progressbar li {
        position: relative;
        flex: 1;
        text-align: center;
        font-weight: 500;
        color: #999;
    }

        .progressbar li.active {
            color: #ff5b2e;
        }

        .progressbar li::before {
            content: counter(step);
            counter-increment: step;
            width: 30px;
            height: 30px;
            line-height: 30px;
            border: 2px solid #ddd;
            display: block;
            text-align: center;
            margin: 0 auto 10px auto;
            border-radius: 50%;
            background-color: white;
        }

        .progressbar li.active::before {
            border-color: #ff5b2e;
            background: #ff5b2e;
            color: #fff;
        }