/* =========================================================
   MONEYTOOL.IO — BUDGETING CATEGORY LANDING PAGE
   ========================================================= */

.bud-page {
    --bud-primary: #0f766e;
    --bud-primary-hover: #0d5a54;
    --bud-primary-light: #f0fdfa;
    --bud-primary-soft: #ecfdf5;
    --bud-dark: #0f172a;
    --bud-text: #334155;
    --bud-muted: #64748b;
    --bud-border: #e2e8f0;
    --bud-border-soft: #f1f5f9;
    --bud-bg: #ffffff;
    --bud-bg-soft: #f8fafc;
    --bud-link: #2563eb;
    --bud-link-hover: #1d4ed8;
    --bud-radius: 12px;
    --bud-radius-lg: 16px;
    --bud-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
    --bud-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
    --bud-shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.08);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--bud-text);
    background: var(--bud-bg);
    line-height: 1.6;
}

.bud-page * {
    box-sizing: border-box;
}

.bud-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.bud-page a {
    color: var(--bud-link);
    text-decoration: none;
}

.bud-page a:hover {
    color: var(--bud-link-hover);
    text-decoration: underline;
}

/* ---------- BREADCRUMB ---------- */
.bud-breadcrumb {
    background: var(--bud-bg-soft);
    border-bottom: 1px solid var(--bud-border);
    padding: 14px 0;
}

.bud-breadcrumb-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    margin: 0;
    padding: 0;
    font-size: 0.82rem;
    color: var(--bud-muted);
}

.bud-breadcrumb-list li {
    display: flex;
    align-items: center;
    gap: 6px;
}

.bud-breadcrumb-list li[aria-current] {
    color: var(--bud-dark);
    font-weight: 600;
}

.bud-breadcrumb-list a {
    color: var(--bud-link);
}

/* ---------- BUTTONS ---------- */
.bud-btn-primary,
.bud-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 10px;
    font-size: 0.92rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s ease;
    border: 2px solid transparent;
    cursor: pointer;
    line-height: 1.4;
}

.bud-btn-primary {
    background: var(--bud-primary);
    color: #ffffff !important;
    border-color: var(--bud-primary);
}

.bud-btn-primary:hover {
    background: var(--bud-primary-hover);
    border-color: var(--bud-primary-hover);
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(15, 118, 110, 0.28);
    text-decoration: none;
}

.bud-btn-secondary {
    background: transparent;
    color: var(--bud-primary) !important;
    border-color: var(--bud-primary);
}

.bud-btn-secondary:hover {
    background: var(--bud-primary-light);
    color: var(--bud-primary-hover) !important;
    transform: translateY(-2px);
    text-decoration: none;
}

/* ---------- SECTION SYSTEM ---------- */
.bud-section {
    padding: 72px 0;
}

.bud-section-header {
    margin-bottom: 44px;
}

.bud-section-header-center {
    text-align: center;
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
}

.bud-section-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bud-primary);
    background: var(--bud-primary-light);
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.bud-section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--bud-dark);
    margin: 0 0 14px;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.bud-section-header p {
    font-size: 1.02rem;
    color: var(--bud-muted);
    margin: 0;
    line-height: 1.75;
}

/* =========================================================
   HERO
   ========================================================= */
.bud-hero {
    background: linear-gradient(135deg, #f0fdfa 0%, #ecfdf5 55%, #d1fae5 100%);
    padding: 72px 0 80px;
    position: relative;
    overflow: hidden;
}

.bud-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(15, 118, 110, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.bud-hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.bud-hero-content .bud-eyebrow {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bud-primary);
    background: rgba(255, 255, 255, 0.8);
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 18px;
    border: 1px solid rgba(15, 118, 110, 0.15);
}

.bud-hero-content h1 {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--bud-dark);
    margin: 0 0 20px;
    letter-spacing: -0.025em;
}

.bud-hero-content h1 span {
    color: var(--bud-primary);
}

.bud-hero-content > p {
    font-size: 1.05rem;
    color: var(--bud-text);
    line-height: 1.75;
    margin: 0 0 28px;
    max-width: 560px;
}

.bud-hero-content > p strong {
    color: var(--bud-primary);
}

.bud-hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.bud-hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.bud-hero-trust li {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--bud-text);
    font-weight: 500;
}

.bud-hero-trust li span {
    color: var(--bud-primary);
    font-weight: 700;
}

/* Hero Visual */
.bud-hero-visual {
    position: relative;
}

.bud-hero-card {
    background: #ffffff;
    border-radius: 18px;
    padding: 26px;
    box-shadow: 0 24px 60px rgba(15, 118, 110, 0.15), 0 4px 12px rgba(15, 23, 42, 0.05);
    border: 1px solid rgba(15, 118, 110, 0.08);
    position: relative;
    transform: rotate(-1deg);
    transition: transform 0.4s ease;
}

.bud-hero-card:hover {
    transform: rotate(0deg) translateY(-4px);
}

.bud-hero-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--bud-border-soft);
}

.bud-hero-card-badge {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--bud-primary);
    background: var(--bud-primary-light);
    padding: 5px 12px;
    border-radius: 6px;
}

.bud-hero-card-icon {
    font-size: 1.5rem;
}

.bud-hero-card-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 9px 0;
    font-size: 0.9rem;
    color: var(--bud-muted);
}

.bud-hero-card-row strong {
    color: var(--bud-dark);
    font-weight: 700;
    font-size: 0.95rem;
}

.bud-hero-card-divider {
    height: 1px;
    background: var(--bud-border-soft);
    margin: 16px 0;
}

.bud-hero-card-result {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bud-primary-light);
    padding: 14px 16px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.bud-hero-card-result span {
    font-size: 0.85rem;
    color: var(--bud-primary);
    font-weight: 600;
}

.bud-hero-card-result strong {
    font-size: 1.4rem;
    color: var(--bud-primary);
    font-weight: 800;
}

.bud-hero-card-result-secondary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.bud-hero-card-result-secondary > div {
    background: var(--bud-bg-soft);
    padding: 10px 12px;
    border-radius: 8px;
}

.bud-hero-card-result-secondary span {
    display: block;
    font-size: 0.7rem;
    color: var(--bud-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 2px;
}

.bud-hero-card-result-secondary strong {
    font-size: 0.9rem;
    color: var(--bud-dark);
    font-weight: 700;
}

.bud-hero-float-badge {
    position: absolute;
    background: #ffffff;
    padding: 8px 14px;
    border-radius: 30px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--bud-dark);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--bud-border-soft);
    animation: bud-float 4s ease-in-out infinite;
}

.bud-hero-float-badge.badge-1 { top: -14px; left: -20px; animation-delay: 0s; }
.bud-hero-float-badge.badge-2 { top: 40%; right: -30px; animation-delay: 1.3s; }
.bud-hero-float-badge.badge-3 { bottom: -14px; left: 30px; animation-delay: 2.6s; }

@keyframes bud-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* =========================================================
   INTRO
   ========================================================= */
.bud-intro {
    background: #ffffff;
}

.bud-intro-content {
    max-width: 860px;
    margin: 0 auto;
    text-align: left;
}

.bud-intro-content p {
    font-size: 1rem;
    color: var(--bud-text);
    line-height: 1.85;
    margin: 0 0 18px;
}

.bud-intro-content p:last-child {
    margin-bottom: 0;
}

.bud-intro-content a {
    color: var(--bud-link);
    font-weight: 500;
}

.bud-intro-content a:hover {
    text-decoration: underline;
}

/* =========================================================
   CALCULATOR LIST
   ========================================================= */
.bud-list {
    background: var(--bud-bg-soft);
}

.bud-calc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.bud-calc-card {
    background: #ffffff;
    border: 1px solid var(--bud-border);
    border-radius: var(--bud-radius);
    padding: 26px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: all 0.25s ease;
    text-decoration: none;
}

.bud-calc-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--bud-shadow-lg);
    border-color: var(--bud-primary);
    text-decoration: none;
}

.bud-calc-icon {
    font-size: 1.8rem;
    width: 52px;
    height: 52px;
    background: var(--bud-primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}

.bud-calc-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--bud-link);
    margin: 0;
}

.bud-calc-card p {
    font-size: 0.87rem;
    color: var(--bud-muted);
    margin: 0;
    line-height: 1.6;
    flex: 1;
}

.bud-calc-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--bud-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    transition: gap 0.25s ease;
}

.bud-calc-card:hover .bud-calc-link {
    gap: 10px;
}

.bud-calc-card-cta {
    background: linear-gradient(135deg, var(--bud-primary), var(--bud-primary-hover));
    color: #ffffff;
    border-color: var(--bud-primary);
}

.bud-calc-card-cta:hover {
    border-color: var(--bud-primary-hover);
}

.bud-calc-card-cta h3 {
    color: #ffffff;
}

.bud-calc-card-cta p {
    color: rgba(255, 255, 255, 0.9);
}

.bud-calc-card-cta .bud-calc-icon {
    background: rgba(255, 255, 255, 0.15);
}

.bud-calc-card-cta .bud-calc-link {
    color: #a7f3d0;
}

/* =========================================================
   HOW TO USE
   ========================================================= */
.bud-howto {
    background: #ffffff;
}

.bud-howto-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 36px;
}

.bud-howto-card {
    background: var(--bud-bg-soft);
    border: 1px solid var(--bud-border);
    border-radius: var(--bud-radius);
    padding: 26px 24px;
    text-align: center;
    transition: all 0.25s ease;
}

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

.bud-howto-num {
    width: 46px;
    height: 46px;
    background: var(--bud-primary);
    color: #ffffff;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: 14px;
}

.bud-howto-card h3 {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--bud-dark);
    margin: 0 0 8px;
}

.bud-howto-card p {
    font-size: 0.88rem;
    color: var(--bud-muted);
    margin: 0;
    line-height: 1.65;
}

.bud-howto-note {
    background: var(--bud-primary-light);
    border-left: 4px solid var(--bud-primary);
    padding: 20px 24px;
    border-radius: 8px;
    max-width: 860px;
    margin: 0 auto;
}

.bud-howto-note p {
    margin: 0;
    font-size: 0.92rem;
    color: var(--bud-text);
    line-height: 1.75;
}

.bud-howto-note p strong {
    color: var(--bud-primary);
}

/* =========================================================
   LEARNING CENTER
   ========================================================= */
.bud-learning {
    background: var(--bud-bg-soft);
}

.bud-learning-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.bud-learning-card {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    background: #ffffff;
    border: 1px solid var(--bud-border);
    border-radius: var(--bud-radius);
    padding: 24px 26px;
    text-decoration: none;
    transition: all 0.25s ease;
    position: relative;
}

.bud-learning-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--bud-shadow-lg);
    border-color: var(--bud-primary);
    text-decoration: none;
}

.bud-learning-icon {
    font-size: 1.6rem;
    width: 48px;
    height: 48px;
    background: var(--bud-primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.bud-learning-card .bud-learning-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.bud-learning-card h3 {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--bud-link);
    margin: 0;
    line-height: 1.35;
}

.bud-learning-card p {
    font-size: 0.88rem;
    color: var(--bud-muted);
    margin: 0;
    line-height: 1.6;
}

.bud-learning-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 0.83rem;
    font-weight: 600;
    color: var(--bud-primary);
    transition: gap 0.25s ease;
}

.bud-learning-card:hover .bud-learning-link {
    gap: 10px;
}

.bud-learning-cta {
    text-align: center;
}

/* =========================================================
   RELATED CALCULATORS
   ========================================================= */
.bud-related {
    background: #ffffff;
}

.bud-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.bud-related-card {
    background: var(--bud-bg-soft);
    border: 1px solid var(--bud-border);
    border-radius: var(--bud-radius);
    padding: 22px 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: all 0.25s ease;
    text-decoration: none;
}

.bud-related-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--bud-shadow);
    border-color: var(--bud-primary);
    text-decoration: none;
}

.bud-related-card > span {
    font-size: 1.6rem;
    margin-bottom: 4px;
}

.bud-related-card h3 {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--bud-link);
    margin: 0;
}

.bud-related-card p {
    font-size: 0.85rem;
    color: var(--bud-muted);
    margin: 0;
    line-height: 1.55;
}

.bud-related-cta {
    text-align: center;
    margin-top: 40px;
}

/* =========================================================
   FAQ
   ========================================================= */
.bud-faq {
    background: var(--bud-bg-soft);
}

.bud-faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.bud-faq-item {
    background: #ffffff;
    border: 1px solid var(--bud-border);
    border-radius: 10px;
    padding: 0;
    overflow: hidden;
    transition: all 0.2s ease;
}

.bud-faq-item[open] {
    border-color: var(--bud-primary);
    box-shadow: var(--bud-shadow);
}

.bud-faq-item summary {
    padding: 18px 22px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--bud-dark);
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 50px;
    transition: color 0.2s ease;
    line-height: 1.5;
}

.bud-faq-item summary::-webkit-details-marker {
    display: none;
}

.bud-faq-item summary::after {
    content: '+';
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--bud-primary);
    transition: transform 0.25s ease;
    line-height: 1;
}

.bud-faq-item[open] summary::after {
    content: '−';
    transform: translateY(-50%) rotate(180deg);
}

.bud-faq-item summary:hover {
    color: var(--bud-primary);
}

.bud-faq-item p {
    padding: 0 22px 20px;
    margin: 0;
    font-size: 0.92rem;
    color: var(--bud-muted);
    line-height: 1.75;
}

/* =========================================================
   FINAL CTA
   ========================================================= */
.bud-final-cta {
    background: linear-gradient(135deg, #0f172a 0%, #0d4d47 100%);
    padding: 72px 0;
    color: #ffffff;
}

.bud-final-cta-inner {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.bud-final-cta .bud-section-label {
    background: rgba(255, 255, 255, 0.15);
    color: #a7f3d0;
}

.bud-final-cta-inner h2 {
    font-size: 2rem;
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 16px;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.bud-final-cta-inner p {
    font-size: 1.02rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 32px;
    line-height: 1.7;
}

.bud-final-cta-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.bud-final-cta .bud-btn-primary {
    background: #ffffff;
    color: var(--bud-primary) !important;
    border-color: #ffffff;
}

.bud-final-cta .bud-btn-primary:hover {
    background: #f0fdfa;
    border-color: #f0fdfa;
    color: var(--bud-primary-hover) !important;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
}

.bud-final-cta .bud-btn-secondary {
    background: transparent;
    color: #ffffff !important;
    border-color: rgba(255, 255, 255, 0.4);
}

.bud-final-cta .bud-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #ffffff;
    color: #ffffff !important;
}

/* =========================================================
   RESPONSIVE — 1024px
   ========================================================= */
@media (max-width: 1024px) {
    .bud-hero-content h1 {
        font-size: 2.2rem;
    }

    .bud-hero-inner {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .bud-hero-visual {
        max-width: 480px;
        margin: 0 auto;
        width: 100%;
    }

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

    .bud-howto-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* =========================================================
   RESPONSIVE — 768px
   ========================================================= */
@media (max-width: 768px) {
    .bud-section {
        padding: 52px 0;
    }

    .bud-section-header h2,
    .bud-final-cta-inner h2 {
        font-size: 1.55rem;
    }

    .bud-hero {
        padding: 52px 0 60px;
    }

    .bud-hero-content h1 {
        font-size: 1.85rem;
    }

    .bud-hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .bud-hero-actions a {
        justify-content: center;
        text-align: center;
    }

    .bud-hero-float-badge {
        display: none;
    }

    .bud-calc-grid,
    .bud-related-grid,
    .bud-howto-grid {
        grid-template-columns: 1fr;
    }

    .bud-learning-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .bud-learning-card {
        padding: 20px 22px;
    }

    .bud-learning-icon {
        width: 42px;
        height: 42px;
        font-size: 1.4rem;
    }

    .bud-learning-card h3 {
        font-size: 0.95rem;
    }

    .bud-learning-card p {
        font-size: 0.83rem;
    }

    .bud-faq-item summary {
        padding: 16px 18px;
        padding-right: 44px;
        font-size: 0.9rem;
    }

    .bud-faq-item summary::after {
        right: 18px;
    }

    .bud-faq-item p {
        padding: 0 18px 18px;
        font-size: 0.88rem;
    }

    .bud-final-cta-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .bud-final-cta-actions a {
        justify-content: center;
        text-align: center;
    }
}

/* =========================================================
   RESPONSIVE — 480px
   ========================================================= */
@media (max-width: 480px) {
    .bud-container {
        padding: 0 16px;
    }

    .bud-section {
        padding: 44px 0;
    }

    .bud-section-header h2,
    .bud-final-cta-inner h2 {
        font-size: 1.35rem;
    }

    .bud-hero-content h1 {
        font-size: 1.6rem;
    }

    .bud-hero-card {
        padding: 20px;
    }

    .bud-hero-card-result strong {
        font-size: 1.2rem;
    }

    .bud-btn-primary,
    .bud-btn-secondary {
        padding: 12px 22px;
        font-size: 0.88rem;
    }

    .bud-learning-card {
        padding: 18px 18px;
        gap: 14px;
    }

    .bud-learning-icon {
        width: 38px;
        height: 38px;
        font-size: 1.2rem;
    }

    .bud-learning-card h3 {
        font-size: 0.9rem;
    }

    .bud-learning-card p {
        font-size: 0.8rem;
    }
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
    .bud-page *,
    .bud-page *::before,
    .bud-page *::after {
        animation: none !important;
        transition: none !important;
    }

    .bud-calc-card:hover,
    .bud-related-card:hover,
    .bud-howto-card:hover,
    .bud-learning-card:hover {
        transform: none !important;
    }
}