/* RatPDF — unified layout & homepage theme */
@import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,400;14..32,500;14..32,600;14..32,700;14..32,800&display=swap');

:root {
    --rp-bg: #f8fafc;
    --rp-surface: #ffffff;
    --rp-text: #0f172a;
    --rp-muted: #64748b;
    --rp-border: #e2e8f0;
    --rp-primary: #2563eb;
    --rp-primary-dark: #1d4ed8;
    --rp-primary-light: #eff6ff;
    --rp-radius: 14px;
    --rp-radius-lg: 20px;
    --rp-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
    --rp-shadow-md: 0 4px 20px rgba(15, 23, 42, 0.08);
    --rp-max: 1140px;
    --rp-nav-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background: var(--rp-bg) !important;
    font-family: 'Inter', system-ui, -apple-system, sans-serif !important;
    color: var(--rp-text);
    line-height: 1.6;
    margin: 0 !important;
    overflow-x: hidden;
}

.rp-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.rp-main {
    flex: 1;
    width: 100%;
}

/* ── Navbar ── */
.rp-navbar {
    background: rgba(255, 255, 255, 0.96) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--rp-border);
    box-shadow: var(--rp-shadow);
    padding: 0.5rem 0;
    min-height: var(--rp-nav-h);
}

.rp-navbar > .container {
    max-width: 1280px;
}

.rp-navbar .navbar-brand {
    color: var(--rp-text) !important;
    font-weight: 700;
    font-size: 1.15rem;
    white-space: nowrap !important;
    word-break: normal !important;
    flex-shrink: 0;
    margin-right: 1.5rem;
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
}

.rp-navbar .navbar-brand span {
    white-space: nowrap;
    letter-spacing: -0.02em;
}

.rp-navbar .navbar-brand img {
    flex-shrink: 0;
}

.rp-navbar .navbar-nav {
    align-items: center;
    gap: 0.1rem;
}

.rp-navbar .navbar-nav.ms-auto {
    flex-shrink: 0;
    margin-left: auto !important;
}

.rp-navbar .nav-link {
    color: var(--rp-muted) !important;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem !important;
    border-radius: 8px;
    transition: color 0.15s, background 0.15s;
}

.rp-navbar .nav-link:hover,
.rp-navbar .nav-link:focus {
    color: var(--rp-primary) !important;
    background: var(--rp-primary-light);
}

.rp-navbar .btn-compress-nav {
    display: inline-flex !important;
    align-items: center;
    background: var(--rp-primary) !important;
    color: #fff !important;
    border-radius: 999px;
    padding: 0.4rem 1rem !important;
    margin-left: 0.25rem;
    font-weight: 600 !important;
    font-size: 0.85rem !important;
    white-space: nowrap;
}

.rp-navbar .btn-compress-nav:hover {
    background: var(--rp-primary-dark) !important;
    color: #fff !important;
}

.rp-navbar .dropdown-menu {
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius);
    box-shadow: var(--rp-shadow-md);
    padding: 0.5rem;
    max-height: 70vh;
    overflow-y: auto;
}

.rp-navbar .dropdown-item {
    border-radius: 8px;
    font-size: 0.875rem;
    padding: 0.45rem 0.75rem;
}

.rp-navbar .dropdown-item:hover {
    background: var(--rp-primary-light);
    color: var(--rp-primary);
}

.rp-navbar .navbar-toggler {
    border: 1px solid var(--rp-border);
    padding: 0.35rem 0.55rem;
}

.rp-navbar .navbar-toggler-icon {
    filter: none;
}

@media (max-width: 1199.98px) {
    .rp-navbar .navbar-collapse {
        background: var(--rp-surface);
        border: 1px solid var(--rp-border);
        border-radius: var(--rp-radius);
        padding: 0.75rem;
        margin-top: 0.5rem;
        box-shadow: var(--rp-shadow-md);
        max-height: 80vh;
        overflow-y: auto;
    }
    .rp-navbar .navbar-nav {
        align-items: stretch;
        gap: 0;
    }
    .rp-navbar .nav-link {
        padding: 0.65rem 0.75rem !important;
    }
    .rp-navbar .btn-compress-nav {
        margin: 0.25rem 0 !important;
        text-align: center;
        justify-content: center;
    }
}

@media (min-width: 1200px) {
    .rp-navbar .navbar-collapse {
        flex-grow: 1;
        justify-content: space-between;
    }
    .rp-navbar .navbar-nav.me-auto {
        flex-wrap: nowrap;
    }
}

.rp-navbar .dropdown-header {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--rp-muted);
}

.rp-navbar .dropdown-item.featured {
    color: var(--rp-primary);
    font-weight: 600;
}

/* ── Cards (global) ── */
.card {
    border-radius: var(--rp-radius) !important;
    border: 1px solid var(--rp-border) !important;
    box-shadow: var(--rp-shadow) !important;
}

/* ── Footer ── */
.rp-footer {
    background: #0f172a !important;
    color: #94a3b8;
    margin-top: auto;
}

.rp-footer h6 {
    color: #f1f5f9;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.rp-footer a {
    color: #cbd5e1 !important;
    text-decoration: none;
}

.rp-footer a:hover {
    color: #fff !important;
}

/* ── Homepage shell ── */
.rp-home {
    background: var(--rp-bg);
    width: 100%;
    overflow-x: hidden;
}

/* Hero */
.rp-home-hero {
    position: relative;
    background: linear-gradient(165deg, #dbeafe 0%, #f8fafc 45%, #fff 100%);
    padding: clamp(2.5rem, 6vw, 4.5rem) 1.25rem clamp(2rem, 4vw, 3rem);
    text-align: center;
    border-bottom: 1px solid var(--rp-border);
}

.rp-home-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 60%;
    height: 80%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08), transparent 70%);
    pointer-events: none;
}

.rp-home-hero > * { position: relative; z-index: 1; }

.rp-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--rp-primary);
    background: var(--rp-surface);
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    padding: 0.35rem 1rem;
    margin-bottom: 1.25rem;
}

.rp-home-hero h1 {
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: var(--rp-text);
    max-width: 680px;
    margin: 0 auto 1rem;
}

.rp-home-hero .lead {
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    color: var(--rp-muted);
    max-width: 540px;
    margin: 0 auto 1.5rem;
    line-height: 1.65;
}

.rp-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.rp-tool-pill-home {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.1rem;
    background: var(--rp-surface);
    border: 1px solid var(--rp-border);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--rp-text);
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.rp-tool-pill-home:hover {
    border-color: #93c5fd;
    color: var(--rp-primary);
    box-shadow: var(--rp-shadow-md);
    transform: translateY(-1px);
}

.rp-tool-pill-home.primary {
    background: var(--rp-primary);
    border-color: var(--rp-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.rp-tool-pill-home.primary:hover {
    background: var(--rp-primary-dark);
    border-color: var(--rp-primary-dark);
    color: #fff;
}

/* Trust stats */
.rp-trust-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    background: var(--rp-surface);
    border-bottom: 1px solid var(--rp-border);
    max-width: 100%;
}

.rp-trust-item {
    text-align: center;
    padding: 1.25rem 0.75rem;
    border-right: 1px solid var(--rp-border);
}

.rp-trust-item:last-child { border-right: none; }

.rp-trust-item strong {
    display: block;
    font-size: clamp(1.1rem, 3vw, 1.35rem);
    font-weight: 800;
    color: var(--rp-primary);
    line-height: 1.2;
}

.rp-trust-item span {
    display: block;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--rp-muted);
    font-weight: 600;
    margin-top: 0.2rem;
}

@media (max-width: 767.98px) {
    .rp-trust-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .rp-trust-item {
        border-right: none;
        border-bottom: 1px solid var(--rp-border);
        padding: 1rem;
    }
    .rp-trust-item:nth-child(odd) {
        border-right: 1px solid var(--rp-border);
    }
    .rp-trust-item:last-child {
        grid-column: 1 / -1;
        border-right: none;
    }
}

/* Sections */
.rp-section,
.rp-section-home {
    max-width: var(--rp-max);
    margin: 0 auto;
    padding: clamp(2rem, 5vw, 3.5rem) clamp(1rem, 4vw, 1.5rem);
    width: 100%;
}

.rp-section-head {
    margin-bottom: 1.75rem;
}

.rp-section-head h2 {
    font-size: clamp(1.35rem, 4vw, 1.75rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.35rem;
    color: var(--rp-text);
}

.rp-section-head p {
    color: var(--rp-muted);
    margin: 0;
    font-size: 0.95rem;
}

.rp-sec-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--rp-primary);
    margin-bottom: 0.4rem;
}

/* Editorial cards */
.rp-editorial-card,
.rp-guide-card {
    background: var(--rp-surface);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius);
    padding: 1.35rem;
    height: 100%;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.rp-guide-card {
    display: block;
    text-decoration: none;
}

.rp-guide-card:hover {
    border-color: #93c5fd;
    box-shadow: var(--rp-shadow-md);
    transform: translateY(-2px);
}

.rp-editorial-card h3 {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.35;
}

.rp-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--rp-primary);
    background: var(--rp-primary-light);
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
}

/* Tool grid */
.rp-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
    gap: 1rem;
}

.rp-tool-card {
    display: flex;
    flex-direction: column;
    background: var(--rp-surface);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius-lg);
    padding: 1.35rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.22s ease;
    height: 100%;
}

.rp-tool-card:hover {
    border-color: #93c5fd;
    box-shadow: var(--rp-shadow-md);
    transform: translateY(-4px);
    color: inherit;
}

.rp-tool-card.featured {
    border-color: var(--rp-primary);
    background: linear-gradient(145deg, #fff 0%, #f0f7ff 100%);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.12);
}

.rp-tool-card .rp-tool-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    line-height: 1;
    margin-bottom: 0.85rem;
    background: var(--rp-primary-light);
    color: var(--rp-primary);
    flex-shrink: 0;
}

.rp-tool-card .rp-tool-icon i {
    font-size: 1.15rem;
}

.rp-tool-card.featured .rp-tool-icon {
    background: var(--rp-primary);
    color: #fff;
}

.rp-tool-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 0.35rem;
    color: var(--rp-text);
}

.rp-tool-card p {
    font-size: 0.8rem;
    color: var(--rp-muted);
    line-height: 1.5;
    margin: 0 0 0.75rem;
    flex: 1;
}

.rp-tool-card .rp-tool-link {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--rp-primary);
}

/* Why grid */
.rp-why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
    gap: 1rem;
}

.rp-why-card {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: var(--rp-surface);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius);
    padding: 1.25rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.rp-why-card:hover {
    border-color: #bfdbfe;
    box-shadow: var(--rp-shadow);
}

.rp-why-card .rp-why-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 11px;
    background: var(--rp-primary-light);
    color: var(--rp-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
}

.rp-why-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
}

.rp-why-card p {
    font-size: 0.8rem;
    color: var(--rp-muted);
    margin: 0;
    line-height: 1.5;
}

/* FAQ */
.rp-faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.rp-faq-item {
    background: var(--rp-surface);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius);
    overflow: hidden;
}

.rp-faq-q {
    padding: 1rem 1.15rem;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    color: var(--rp-text);
    user-select: none;
}

.rp-faq-q:hover { background: #f8fafc; }

.rp-faq-a {
    display: none;
    padding: 0 1.15rem 1rem;
    font-size: 0.875rem;
    color: var(--rp-muted);
    line-height: 1.6;
}

.rp-faq-item.open .rp-faq-a { display: block; }

.rp-faq-item .rp-faq-toggle {
    font-size: 1.25rem;
    color: #94a3b8;
    transition: transform 0.2s, color 0.2s;
    flex-shrink: 0;
}

.rp-faq-item.open .rp-faq-toggle {
    transform: rotate(45deg);
    color: var(--rp-primary);
}

/* CTA band */
.rp-cta-band {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #e2e8f0;
    padding: clamp(2.5rem, 6vw, 3.5rem) 1.25rem;
    text-align: center;
}

.rp-cta-band h2 {
    color: #fff;
    font-weight: 800;
    font-size: clamp(1.35rem, 4vw, 1.75rem);
    margin-bottom: 0.75rem;
}

.rp-cta-band p {
    color: #94a3b8;
    max-width: 520px;
    margin: 0 auto 1.5rem;
    font-size: 0.95rem;
}

.rp-cta-band .btn {
    margin: 0.25rem;
}

/* ── Articles / guides ── */
.rp-article-title {
    font-size: clamp(1.6rem, 4vw, 2.15rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.rp-article-lead {
    font-size: 1.05rem;
    color: var(--rp-muted);
}

.rp-prose h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 0.65rem;
}

.rp-prose h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-top: 1.35rem;
}

.rp-prose p, .rp-prose li {
    color: #334155;
    font-size: 0.95rem;
}

.rp-prose a {
    color: var(--rp-primary);
    font-weight: 500;
}

.rp-cta-inline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    background: var(--rp-primary-light);
    border: 1px solid #bfdbfe;
    border-radius: var(--rp-radius);
    padding: 1rem 1.25rem;
}

.rp-sidebar-card {
    background: var(--rp-surface);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius);
    padding: 1.25rem;
    box-shadow: var(--rp-shadow);
}

.rp-faq-item-block {
    border-bottom: 1px solid var(--rp-border);
    padding: 1rem 0;
}

/* Tool shell pages */
.rp-tool-hero {
    background: linear-gradient(135deg, #f0f4ff 0%, #fafbff 50%, #f5f0ff 100%);
    border-radius: var(--rp-radius-lg);
    border: 1px solid var(--rp-border);
}

.rp-tool-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: #4338ca;
    background: #eef2ff;
    border-radius: 999px;
    padding: 0.25rem 0.7rem;
    margin: 0.15rem;
}

#dropZone:hover {
    background: #eef2ff !important;
    border-color: #6366f1 !important;
}

.rp-dropzone {
    cursor: pointer;
    background: #fff;
    transition: all 0.2s;
    border-color: #cbd5e1 !important;
}

.rp-legacy-tool-card {
    border-radius: var(--rp-radius-lg) !important;
    border: 1px solid var(--rp-border);
}

.rp-tool-primary-btn {
    border-radius: 12px;
    background: linear-gradient(90deg, #4f46e5, #6366f1);
    border: none;
}

.rp-social-proof {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0;
    justify-content: center;
}

@media (min-width: 768px) {
    .rp-social-proof { justify-content: flex-start; }
}

.rp-trust-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.15rem;
}

@media (max-width: 575.98px) {
    .rp-trust-pills {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.35rem;
    }
    .rp-trust-pills .rp-tool-pill {
        justify-content: center;
        margin: 0;
        font-size: 0.7rem;
    }
}

.rp-sticky-tool-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    background: #fff;
    border-top: 1px solid var(--rp-border);
    box-shadow: 0 -4px 24px rgba(15, 23, 42, 0.12);
    padding: 0.65rem 1rem;
    padding-bottom: max(0.65rem, env(safe-area-inset-bottom));
}

.rp-sticky-tool-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: 600px;
    margin: 0 auto;
}

.rp-sticky-tool-cta-meta {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}

.rp-sticky-tool-cta-meta .text-muted {
    font-size: 0.7rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rp-upgrade-nudge {
    position: fixed;
    bottom: calc(4.25rem + env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    z-index: 1045;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: #1e293b;
    color: #fff;
    text-decoration: none;
    font-size: 0.8rem;
    padding: 0.45rem 1rem;
    border-radius: 999px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    max-width: calc(100% - 2rem);
}

.rp-upgrade-nudge:hover { color: #fff; opacity: 0.95; }

.rp-sticky-seo-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1040;
    padding: 0.75rem 1rem;
    padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
    background: #fff;
    border-top: 1px solid var(--rp-border);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
}

body.rp-has-sticky-cta,
body:has(.rp-sticky-seo-cta),
body:has(.invoice-sticky-cta) {
    padding-bottom: calc(5rem + env(safe-area-inset-bottom));
}

#submitHint.is-hidden { display: none !important; }

.rp-trust-footer .btn-outline-primary:hover {
    transform: translateY(-1px);
}

/* AI / citation summary blocks */
.rp-ai-summary {
    border-left: 3px solid #6366f1;
    border-radius: 8px;
}

.rp-ai-summary cite {
    font-style: normal;
    color: #64748b;
    word-break: break-word;
}

/* Content pages container */
.rp-content-page {
    max-width: var(--rp-max);
    margin: 0 auto;
    padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1rem, 4vw, 1.5rem);
}