/* ==========================================================
   SeveranceCalc.us - US Severance & PTO Calculator Styles
   Modern, ultra-fast, responsive SaaS-grade CSS
   ========================================================== */

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --accent-green: #059669;
    --accent-emerald: #10b981;
    --dark: #0f172a;
    --slate-800: #1e293b;
    --muted: #475569;
    --muted-light: #94a3b8;
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-page);
    color: var(--dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1050px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text strong {
    color: var(--primary);
}

.nav {
    display: flex;
    gap: 20px;
}

.nav-link {
    text-decoration: none;
    color: var(--muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

/* AdSense Banner Placeholders */
.ad-banner-top, .ad-banner-bottom, .ad-banner-middle {
    margin: 25px auto;
    text-align: center;
}

.ad-placeholder {
    background-color: #f1f5f9;
    border: 2px dashed #cbd5e1;
    border-radius: var(--radius-sm);
    padding: 20px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 90px;
    color: #64748b;
    font-size: 0.85rem;
}

.ad-badge {
    position: absolute;
    top: 6px;
    right: 8px;
    background-color: #e2e8f0;
    color: #64748b;
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Intro Section */
.section-intro {
    text-align: center;
    margin: 35px 0 25px;
}

.section-intro h1 {
    font-size: 2.3rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 12px;
    letter-spacing: -0.025em;
}

.section-intro .subtitle {
    font-size: 1.05rem;
    color: var(--muted);
    max-width: 760px;
    margin: 0 auto;
}

/* Calculator Card */
.calculator-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    padding: 35px;
    margin-bottom: 40px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark);
}

.required {
    color: #ef4444;
}

.input-prefix-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-prefix {
    position: absolute;
    left: 14px;
    color: #64748b;
    font-weight: 600;
    font-size: 1rem;
}

.input-prefix-wrapper input {
    padding-left: 32px !important;
}

input[type="number"],
select {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    color: var(--dark);
    font-family: inherit;
    background-color: #ffffff;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="number"]:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.helper-text {
    font-size: 0.8rem;
    color: var(--muted);
}

.form-actions {
    margin-top: 30px;
    text-align: center;
}

.btn-calculate {
    background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
    color: #ffffff;
    border: none;
    padding: 16px 36px;
    font-size: 1.15rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.35);
    transition: transform 0.15s, box-shadow 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-calculate:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

/* Results Panel */
.results-panel {
    margin-top: 40px;
    padding-top: 35px;
    border-top: 2px dashed var(--border);
    animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.results-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.results-badge {
    background-color: var(--primary-light);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.total-box {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
    margin-bottom: 25px;
    box-shadow: var(--shadow-md);
}

.total-label {
    display: block;
    font-size: 0.95rem;
    color: var(--muted-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-bottom: 8px;
}

.total-amount {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: #34d399;
    letter-spacing: -0.02em;
}

.total-subtext {
    display: block;
    font-size: 0.85rem;
    color: var(--muted-light);
    margin-top: 8px;
}

.breakdown-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 25px;
}

.breakdown-card {
    background-color: #f8fafc;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.card-icon {
    font-size: 1.8rem;
    background-color: #ffffff;
    border: 1px solid var(--border);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    flex-shrink: 0;
}

.card-info {
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--muted);
}

.card-amount {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--dark);
}

.card-desc {
    font-size: 0.78rem;
    color: #64748b;
}

.advice-box {
    background-color: #fffbeb;
    border-left: 4px solid #f59e0b;
    padding: 18px 22px;
    border-radius: var(--radius-sm);
    color: #92400e;
    font-size: 0.95rem;
    margin-bottom: 25px;
}

.pdf-action-wrapper {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.btn-pdf {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    border: 1px solid #334155;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-pdf:hover {
    background: #1e293b;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.pdf-note {
    font-size: 0.8rem;
    color: var(--muted);
}

/* SEO Article & Content */
.seo-article {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-sm);
}

.seo-article h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 15px;
    letter-spacing: -0.015em;
}

.seo-article p {
    color: var(--muted);
    font-size: 1.05rem;
    margin-bottom: 25px;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin: 30px 0;
}

.content-card {
    background-color: #f8fafc;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 25px;
}

.content-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.content-card p {
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.content-card ul {
    list-style-type: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.content-card li {
    font-size: 0.9rem;
    color: var(--dark);
    position: relative;
    padding-left: 18px;
}

.content-card li::before {
    content: "•";
    color: var(--primary);
    position: absolute;
    left: 0;
    font-size: 1.2rem;
    line-height: 1;
}

/* Negotiation Steps */
.guide-section {
    margin-top: 40px;
    border-top: 1px solid var(--border);
    padding-top: 35px;
}

.guide-section h2 {
    margin-bottom: 25px;
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.step-item {
    display: flex;
    gap: 20px;
    background-color: #f8fafc;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 22px;
}

.step-number {
    width: 42px;
    height: 42px;
    background-color: var(--primary);
    color: #ffffff;
    font-weight: 800;
    font-size: 1.2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--dark);
}

.step-content p {
    font-size: 0.95rem;
    color: var(--muted);
    margin-bottom: 0;
}

/* FAQ Section */
.faq-section {
    margin-top: 40px;
    border-top: 1px solid var(--border);
    padding-top: 35px;
}

.faq-item {
    margin-bottom: 25px;
}

.faq-item h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.faq-item p {
    font-size: 0.95rem;
    color: var(--muted);
    margin-bottom: 0;
}

/* Footer */
.footer {
    background-color: #0f172a;
    color: var(--muted-light);
    padding: 50px 0 25px;
    margin-top: 50px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 30px;
    border-bottom: 1px solid #1e293b;
}

.footer-col {
    max-width: 450px;
}

.footer-col .logo-text {
    color: #ffffff;
    font-size: 1.2rem;
    margin-bottom: 10px;
    display: inline-block;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    padding-top: 25px;
    font-size: 0.8rem;
    color: #64748b;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    max-width: 600px;
    background-color: #ffffff;
    border: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-md);
    padding: 20px;
    z-index: 100;
    display: none;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cookie-content p {
    font-size: 0.85rem;
    color: var(--dark);
}

.cookie-content a {
    color: var(--primary);
    text-decoration: underline;
}

.btn-cookie-accept {
    background-color: var(--primary);
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    align-self: flex-start;
}

/* Content Layout Grid (Two-Column Desktop with Sticky Sidebar) */
.content-grid-wrapper {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 30px;
    align-items: start;
}

.main-content-col {
    min-width: 0;
}

.sidebar-col {
    width: 330px;
}

.sticky-sidebar {
    position: sticky;
    top: 90px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ad-sidebar-large {
    min-height: 550px;
}

.ad-sidebar-medium {
    min-height: 250px;
}

.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.sidebar-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.sidebar-law-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.85rem;
}

.law-tag {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.72rem;
    margin-right: 6px;
}

.tag-mandatory {
    background-color: #ecfdf5;
    color: #059669;
    border: 1px solid #a7f3d0;
}

.tag-policy {
    background-color: #eff6ff;
    color: #2563eb;
    border: 1px solid #bfdbfe;
}

/* Post-Result Ad Banner */
.ad-result-banner {
    margin: 25px 0;
}

/* Multiplex Sponsored Grid */
.multiplex-section {
    margin: 40px auto 20px;
}

.multiplex-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

.multiplex-header h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--dark);
}

.multiplex-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.multiplex-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
}

.multiplex-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.multiplex-icon {
    font-size: 1.8rem;
    margin-bottom: 4px;
}

.multiplex-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.3;
}

.multiplex-card p {
    font-size: 0.85rem;
    color: var(--muted);
    flex-grow: 1;
    line-height: 1.4;
}

.multiplex-cta {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    margin-top: 6px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .content-grid-wrapper {
        grid-template-columns: 1fr;
    }

    .sidebar-col {
        width: 100%;
    }

    .sticky-sidebar {
        position: static;
    }

    .multiplex-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        height: auto;
        padding: 12px 15px 8px;
        gap: 10px;
        align-items: center;
    }

    .nav {
        display: flex;
        gap: 8px;
        width: 100%;
        overflow-x: auto;
        white-space: nowrap;
        padding: 4px 0 6px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        justify-content: flex-start;
    }

    .nav::-webkit-scrollbar {
        display: none;
    }

    .nav-link {
        padding: 6px 14px;
        background: #f1f5f9;
        border-radius: 20px;
        font-size: 0.82rem;
        font-weight: 600;
        color: #334155;
        flex-shrink: 0;
        text-decoration: none;
    }

    .nav-link:active, .nav-link:hover {
        background: #e2e8f0;
        color: #2563eb;
    }

    .section-intro h1 {
        font-size: 1.65rem;
        line-height: 1.25;
    }

    .cookie-banner {
        display: none !important;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-group.full-width {
        grid-column: span 1;
    }

    .breakdown-grid {
        grid-template-columns: 1fr;
    }

    .content-grid {
        grid-template-columns: 1fr;
    }

    .footer-container {
        flex-direction: column;
        gap: 25px;
    }

    .total-amount {
        font-size: 2.3rem;
    }

    .multiplex-grid {
        grid-template-columns: 1fr;
    }
}

/* Knowledge Hub Cards & Flagship Guides */
.knowledge-hub-section {
    margin: 45px 0 30px;
    padding: 30px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.knowledge-hub-header {
    margin-bottom: 25px;
    text-align: left;
}

.knowledge-hub-header h2 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 8px;
}

.knowledge-hub-header p {
    color: var(--muted);
    font-size: 0.95rem;
}

.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.knowledge-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 22px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    text-decoration: none;
    color: inherit;
}

.knowledge-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.knowledge-badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 9999px;
    margin-bottom: 12px;
    align-self: flex-start;
}

.badge-state {
    background-color: #dbeafe;
    color: #1d4ed8;
}

.badge-strategy {
    background-color: #dcfce7;
    color: #15803d;
}

.badge-health {
    background-color: #fef3c7;
    color: #b45309;
}

.badge-pto {
    background-color: #ede9fe;
    color: #6d28d9;
}

.badge-federal {
    background-color: #e0e7ff;
    color: #4338ca;
}

.badge-tax {
    background-color: #fef2f2;
    color: #b91c1c;
}

.knowledge-card h3 {
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 10px;
    line-height: 1.4;
}

.knowledge-card p {
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.5;
    margin-bottom: 15px;
    flex-grow: 1;
}

.knowledge-read-more {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

@media (max-width: 640px) {
    .knowledge-grid {
        grid-template-columns: 1fr;
    }
}

/* Print Styles */
@media print {
    .header,
    .nav,
    .ad-banner-top,
    .ad-banner-middle,
    .ad-banner-bottom,
    .ad-result-banner,
    .sidebar-col,
    .multiplex-section,
    .calc-form,
    .form-actions,
    .advice-box,
    .pdf-action-wrapper,
    .seo-article,
    .footer,
    .cookie-banner {
        display: none !important;
    }

    body {
        background-color: #ffffff;
        color: #000000;
        font-size: 12pt;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    .calculator-card {
        border: none;
        box-shadow: none;
        padding: 0;
    }

    .results-panel {
        display: block !important;
        border-top: none;
        padding-top: 0;
    }

    .total-box {
        background: #f1f5f9 !important;
        color: #0f172a !important;
        border: 2px solid #cbd5e1;
    }

    .total-amount {
        color: #059669 !important;
    }

    .breakdown-card {
        border: 1px solid #cbd5e1;
        background: #ffffff !important;
    }
}