/*
Theme Name: GeneratePress Child - InstantBillMaker
Theme URI: https://instantbillmaker.com
Description: High-performance minimalist SaaS theme for InstantBillMaker with Poppins typography, unified header/footer, and tool directory cards.
Author: InstantBillMaker
Author URI: https://instantbillmaker.com
Template: generatepress
Version: 1.0.0
*/

:root {
    --bg: #F8FAFC;
    --surface: #FFFFFF;
    --text-main: #0F172A;
    --text-secondary: #334155;
    --muted: #64748B;
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --border-focus: #2563EB;
    --dark: #0F172A;
    --primary: #2563EB;
    --primary-hover: #1D4ED8;
    --primary-soft: #EFF6FF;
    --accent-green: #059669;
    --accent-green-soft: #ECFDF5;
    --font-poppins: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius-lg: 12px;
    --radius-md: 8px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-poppins) !important;
    background-color: var(--bg) !important;
    color: var(--text-main) !important;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* Remove GP default container padding on full-bleed custom templates */
.site-content {
    display: block;
}

/* Icons */
.icon-svg {
    display: inline-block;
    width: 18px;
    height: 18px;
    stroke-width: 2;
    stroke: currentColor;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    vertical-align: middle;
}
.icon-lg {
    width: 26px;
    height: 26px;
}

/* Site Header */
.ibm-site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 999;
    width: 100%;
}
.ibm-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
@media (max-width: 640px) {
    .ibm-container { padding: 0 14px; }
}
.ibm-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.ibm-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 19px;
    letter-spacing: -0.4px;
    color: var(--dark);
    text-decoration: none;
}
.ibm-brand:hover { color: var(--dark); }
.ibm-brand-icon {
    width: 34px;
    height: 34px;
    background: var(--dark);
    color: #FFFFFF;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.ibm-brand span { color: var(--primary); }
.ibm-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}
@media (max-width: 860px) {
    .ibm-nav { display: none; }
}
.ibm-nav-link {
    font-size: 13.5px;
    font-weight: 500;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.15s;
}
.ibm-nav-link:hover { color: var(--dark); }
.ibm-btn-cta {
    background: var(--dark);
    color: #FFFFFF !important;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    border: 1px solid var(--dark);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s;
}
.ibm-btn-cta:hover {
    background: #1E293B;
    border-color: #1E293B;
}

/* Hero */
.ibm-hero {
    padding: 56px 0 36px 0;
    text-align: center;
    background: linear-gradient(180deg, #FFFFFF 0%, var(--bg) 100%);
    border-bottom: 1px solid var(--border);
}
@media (max-width: 640px) {
    .ibm-hero { padding: 36px 0 24px 0; }
}
.ibm-hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-soft);
    color: var(--primary);
    border: 1px solid #DBEAFE;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 18px;
}
.ibm-hero-title {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.9px;
    color: var(--dark);
    max-width: 860px;
    margin: 0 auto 16px auto;
}
@media (max-width: 640px) {
    .ibm-hero-title { font-size: 26px; }
}
.ibm-hero-sub {
    font-size: 16px;
    color: var(--muted);
    max-width: 680px;
    margin: 0 auto 28px auto;
    line-height: 1.6;
}
@media (max-width: 640px) {
    .ibm-hero-sub { font-size: 14px; margin-bottom: 20px; }
}
.ibm-hero-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    padding-top: 10px;
}
.ibm-trust-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-secondary);
}
.ibm-trust-icon { color: var(--accent-green); }

/* Tools Section & Grid */
.ibm-tools-section {
    padding: 36px 0 60px 0;
}
.ibm-section-header {
    text-align: center;
    margin-bottom: 32px;
}
.ibm-section-tag {
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary);
    margin-bottom: 6px;
}
.ibm-section-title {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--dark);
    margin: 0;
}
@media (max-width: 640px) {
    .ibm-section-title { font-size: 22px; }
}
.ibm-section-sub {
    font-size: 14px;
    color: var(--muted);
    margin-top: 6px;
}
.ibm-filter-wrap {
    margin: 28px 0 20px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}
.ibm-filter-btn {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}
.ibm-filter-btn:hover { border-color: #94A3B8; }
.ibm-filter-btn.active {
    background: var(--dark);
    color: #FFFFFF;
    border-color: var(--dark);
}
.ibm-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 22px;
}
@media (max-width: 640px) {
    .ibm-tools-grid { grid-template-columns: 1fr; gap: 16px; }
}
.ibm-tool-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}
.ibm-tool-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: #CBD5E1;
}
.ibm-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 16px;
}
.ibm-card-icon {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    background: var(--border-light);
    color: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
}
.ibm-badge {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 4px 10px;
    border-radius: 14px;
    background: var(--primary-soft);
    color: var(--primary);
}
.ibm-badge-green { background: var(--accent-green-soft); color: var(--accent-green); }
.ibm-badge-dark { background: #F1F5F9; color: var(--text-secondary); }
.ibm-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin: 0 0 8px 0;
    line-height: 1.3;
}
.ibm-card-desc {
    font-size: 13.5px;
    color: var(--muted);
    line-height: 1.5;
    margin: 0 0 18px 0;
}
.ibm-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
}
.ibm-tag-item {
    font-size: 11.5px;
    font-weight: 500;
    background: #F8FAFC;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 3px 9px;
    border-radius: 4px;
}
.ibm-card-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--border-light);
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
}

/* Rich Content Sections */
.ibm-content-sec {
    padding: 60px 0;
    border-top: 1px solid var(--border);
}
.ibm-bg-white { background: #FFFFFF; }
.ibm-bg-slate { background: var(--bg); }
.ibm-pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 36px;
}
.ibm-pillar-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
}
.ibm-pillar-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.ibm-pillar-title {
    font-size: 16.5px;
    font-weight: 700;
    color: var(--dark);
    margin: 0 0 8px 0;
}
.ibm-pillar-desc {
    font-size: 13.5px;
    color: var(--muted);
    line-height: 1.5;
    margin: 0;
}

/* Steps */
.ibm-steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 36px;
}
.ibm-step-card {
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
}
.ibm-step-badge {
    font-size: 12px;
    font-weight: 800;
    color: var(--primary);
    background: var(--primary-soft);
    padding: 4px 10px;
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 12px;
}
.ibm-step-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin: 0 0 8px 0;
}
.ibm-step-desc {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
    margin: 0;
}

/* Tables */
.ibm-table-wrap {
    margin-top: 36px;
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow-x: auto;
    box-shadow: var(--shadow-sm);
}
.ibm-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}
.ibm-table th {
    background: #F8FAFC;
    padding: 14px 18px;
    font-weight: 700;
    color: var(--dark);
    border-bottom: 1px solid var(--border);
}
.ibm-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
}
.ibm-table tr:last-child td { border-bottom: none; }
.ibm-highlight {
    background: #F0FDF4;
    font-weight: 600;
    color: #166534 !important;
}

/* FAQs */
.ibm-faqs-wrap {
    max-width: 820px;
    margin: 36px auto 0 auto;
}
.ibm-faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color 0.15s;
}
.ibm-faq-item.active { border-color: #94A3B8; }
.ibm-faq-btn {
    width: 100%;
    text-align: left;
    padding: 16px 20px;
    background: none;
    border: none;
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.ibm-faq-icon {
    font-size: 18px;
    color: var(--muted);
    transition: transform 0.2s;
}
.ibm-faq-item.active .ibm-faq-icon { transform: rotate(45deg); }
.ibm-faq-body {
    display: none;
    padding: 0 20px 18px 20px;
    font-size: 13.5px;
    color: var(--muted);
    line-height: 1.6;
}
.ibm-faq-item.active .ibm-faq-body { display: block; }

/* Site Footer */
.ibm-site-footer {
    background: var(--dark);
    color: #94A3B8;
    padding: 56px 0 32px 0;
    font-size: 13px;
    margin-top: auto;
}
.ibm-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 36px;
    margin-bottom: 40px;
}
@media (max-width: 768px) {
    .ibm-footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
.ibm-footer-brand {
    font-size: 18px;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}
.ibm-footer-brand span { color: var(--primary); }
.ibm-footer-desc { line-height: 1.6; max-width: 320px; }
.ibm-footer-heading {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #FFFFFF;
    margin-bottom: 14px;
}
.ibm-footer-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0;
    margin: 0;
}
.ibm-footer-list a {
    color: #94A3B8;
    text-decoration: none;
    transition: color 0.15s;
}
.ibm-footer-list a:hover { color: #FFFFFF; }
.ibm-footer-bottom {
    padding-top: 24px;
    border-top: 1px solid #1E293B;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}