/* Custom CSS for IRS Transcripts Website */

/* Root Variables */
:root {
    --primary-red: #DC143C;
    --primary-blue: #003366;
    --primary-white: #FFFFFF;
    --secondary-blue: #0066CC;
    --light-blue: #E6F2FF;
    --dark-gray: #333333;
    --light-gray: #F5F5F5;
    --border-gray: #DDDDDD;
}

/* Typography */
body {
    font-family: 'Roboto', sans-serif;
    font-weight: 400;
    color: var(--dark-gray);
    line-height: 1.6;
    padding-top: 76px; /* Account for fixed navbar */
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: var(--primary-blue);
}

.section-heading {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.25rem;
    font-weight: 300;
}

/* Navbar Styling */
.navbar {
    background-color: var(--primary-blue) !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
}

.navbar-brand {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--light-blue) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%23003366" width="1200" height="600"/><path fill="%23DC143C" opacity="0.1" d="M0,300 Q300,200 600,300 T1200,300 L1200,600 L0,600 Z"/></svg>');
    background-size: cover;
    background-position: center;
    position: relative;
    min-height: 100vh;
}

.hero-overlay {
    background: rgba(0, 51, 102, 0.85);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-section h1 {
    color: var(--primary-white);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    font-weight: 500;
    padding: 0.75rem 2rem;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--secondary-blue);
    border-color: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-light {
    background-color: var(--primary-white);
    color: var(--primary-blue);
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.btn-outline-light {
    border-color: var(--primary-white);
    color: var(--primary-white);
    font-weight: 500;
}

.btn-outline-light:hover {
    background-color: var(--primary-white);
    color: var(--primary-blue);
}

/* Info Cards */
.info-card {
    background: var(--primary-white);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-gray);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.icon-box {
    color: var(--primary-blue);
}

/* Divider */
.divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-blue));
    margin: 1rem auto;
    border-radius: 2px;
}

/* Background Colors */
.bg-primary {
    background-color: var(--primary-blue) !important;
}

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

/* Form Styling */
.form-control {
    border: 2px solid var(--border-gray);
    border-radius: 4px;
    padding: 0.75rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(0, 51, 102, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

/* Card Styling */
.card {
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.card-header {
    background-color: var(--primary-blue);
    color: var(--primary-white);
    font-weight: 600;
    border-bottom: none;
}

/* Accordion Styling */
.accordion-button {
    background-color: var(--light-gray);
    color: var(--primary-blue);
    font-weight: 500;
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-blue);
    color: var(--primary-white);
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(0, 51, 102, 0.25);
}

/* Step-by-Step Guide */
.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-blue));
    color: var(--primary-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step-card {
    text-align: center;
    padding: 2rem;
    height: 100%;
}

/* Image Placeholder */
.image-placeholder {
    min-height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Footer */
footer {
    background-color: var(--dark-gray) !important;
}

footer a {
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--primary-white) !important;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .section-heading {
        font-size: 2rem;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .display-3 {
        font-size: 2.5rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .navbar-nav {
        margin-top: 1rem;
    }
    
    .d-flex.gap-3 {
        flex-direction: column;
        align-items: stretch;
    }
    
    .d-flex.gap-3 .btn {
        width: 100%;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus Styles for Accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 3px solid var(--secondary-blue);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    footer,
    .btn {
        display: none;
    }
    
    body {
        padding-top: 0;
    }
}