/* Explain: App-specific component styles for buttons, cards, and forms. */
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 44px;
    padding: 0.6rem 1.25rem;
    border-radius: 12px;
    font-weight: 600;
    font-family: var(--font-body);
    font-size: 0.95rem;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
}
.btn-lg { min-height: 52px; padding: 0.8rem 1.6rem; font-size: 1.02rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--primary-color); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-accent { background: var(--accent-color); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border-color: var(--border-color); color: var(--text-color); }
.btn-outline:hover { border-color: var(--primary-color); color: var(--primary-color); background: var(--surface-color); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Cards */
.card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.eyebrow {
    display: inline-block;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.03em;
    color: var(--accent-hover);
    background: var(--accent-soft);
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    margin-bottom: 0.9rem;
}

.section-head { max-width: 730px; margin: 0 auto 2.6rem; text-align: center; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; }
.section-head p { color: var(--text-muted); margin-top: 0.8rem; font-size: 1.03rem; }

/* Service / feature cards */
.service-card {
    padding: 1.7rem 1.5rem;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all 0.3s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--accent-color); }
.service-icon {
    width: 54px; height: 54px;
    display: grid; place-items: center;
    border-radius: 14px;
    background: var(--accent-soft);
    color: var(--accent-hover);
    font-size: 1.35rem;
    margin-bottom: 1.1rem;
}
.service-card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.service-card p { color: var(--text-muted); font-size: 0.94rem; flex: 1; }
.service-card .card-link { margin-top: 1.1rem; font-weight: 600; color: var(--primary-color); display: inline-flex; align-items: center; gap: 0.4rem; }

.feature-item { display: flex; gap: 1rem; align-items: flex-start; }
.feature-item .fi-icon { flex: none; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--surface-2); color: var(--primary-color); font-size: 1.15rem; }
.feature-item h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.feature-item p { color: var(--text-muted); font-size: 0.92rem; margin: 0; }

.check-list { list-style: none; padding: 0; margin: 1.2rem 0; display: grid; gap: 0.7rem; }
.check-list li { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.96rem; }
.check-list li i { color: var(--accent-color); margin-top: 0.25rem; }

/* Page hero */
.page-hero { background: linear-gradient(135deg, var(--primary-dark), var(--primary-color)); color: #fff; }
.page-hero .container { padding-block: 3.2rem; }
.page-hero h1 { color: #fff; font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 700; }
.page-hero p { color: rgba(255,255,255,0.85); max-width: 720px; margin-top: 0.9rem; font-size: 1.05rem; }
.breadcrumb { display: flex; gap: 0.5rem; align-items: center; font-size: 0.85rem; color: rgba(255,255,255,0.75); margin-bottom: 1rem; flex-wrap: wrap; }
.breadcrumb a:hover { color: #fff; text-decoration: underline; }

/* Prose block */
.prose-basic h2 { font-size: 1.4rem; margin: 1.8rem 0 0.7rem; }
.prose-basic h2:first-child { margin-top: 0; }
.prose-basic h3 { font-size: 1.12rem; margin: 1.2rem 0 0.5rem; }
.prose-basic p { color: var(--text-muted); margin-bottom: 0.8rem; }
.prose-basic ul { color: var(--text-muted); padding-inline-start: 1.3rem; margin-bottom: 0.9rem; display: grid; gap: 0.4rem; }
.prose-basic a { color: var(--primary-color); font-weight: 600; text-decoration: underline; }

/* Sidebar card */
.side-card { padding: 1.5rem; position: sticky; top: 96px; }
.side-card h3 { font-size: 1.1rem; margin-bottom: 0.8rem; }
.side-links { list-style: none; padding: 0; margin: 0 0 1.2rem; display: grid; gap: 0.5rem; }
.side-links a { color: var(--text-muted); font-size: 0.92rem; display: inline-flex; gap: 0.5rem; align-items: center; }
.side-links a:hover { color: var(--primary-color); }

/* Notice */
.notice { border: 1px solid var(--border-color); border-inline-start: 4px solid var(--accent-color); border-radius: 12px; padding: 1rem 1.2rem; background: var(--surface-color); font-size: 0.9rem; color: var(--text-muted); }
.notice i { color: var(--accent-hover); margin-inline-end: 0.4rem; }

/* FAQ */
.faq-item { border: 1px solid var(--border-color); border-radius: 12px; background: #fff; margin-bottom: 0.8rem; overflow: hidden; }
.faq-item summary { cursor: pointer; padding: 1.05rem 1.2rem; font-weight: 600; display: flex; justify-content: space-between; align-items: center; gap: 1rem; list-style: none; font-family: var(--font-heading); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .chev { transition: transform 0.3s ease; color: var(--accent-hover); flex: none; }
.faq-item[open] summary .chev { transform: rotate(180deg); }
.faq-item .faq-body { padding: 0 1.2rem 1.15rem; color: var(--text-muted); font-size: 0.94rem; }

/* Calculators */
.calc-card { padding: 1.6rem; height: 100%; display: flex; flex-direction: column; }
.calc-head { display: flex; gap: 0.9rem; align-items: flex-start; margin-bottom: 1.2rem; }
.calc-head i { flex: none; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-hover); font-size: 1.1rem; }
.calc-head h3 { font-size: 1.1rem; }
.calc-head p { font-size: 0.86rem; color: var(--text-muted); margin: 0.2rem 0 0; }
.calc-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 1rem; }
.calc-fields label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.8rem; font-weight: 600; color: var(--text-muted); }
.calc-fields input, .calc-fields select { width: 100%; min-height: 42px; padding: 0.5rem 0.7rem; border: 1.5px solid var(--border-color); border-radius: 10px; font-family: var(--font-body); font-size: 0.95rem; color: var(--text-color); }
.calc-fields input:focus, .calc-fields select:focus { outline: none; border-color: var(--accent-color); box-shadow: 0 0 0 3px var(--accent-soft); }
.calc-result { margin-top: auto; padding-top: 1rem; }
.res-row { display: flex; justify-content: space-between; gap: 1rem; padding: 0.55rem 0; border-bottom: 1px dashed var(--border-color); font-size: 0.92rem; }
.res-row:last-child { border-bottom: none; }
.res-row span { color: var(--text-muted); }
.res-row strong { font-family: var(--font-heading); }
.res-highlight { background: var(--accent-soft); border-radius: 10px; padding: 0.4rem 0.7rem; border-bottom: none !important; margin-top: 0.4rem; }
.calc-note { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.8rem; line-height: 1.5; }
.res-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; margin-top: 0.5rem; }
.res-table th, .res-table td { padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--border-color); text-align: start; }
.res-table th { color: var(--text-muted); font-weight: 600; }

/* Article cards */
.article-card { overflow: hidden; display: flex; flex-direction: column; height: 100%; transition: all 0.3s ease; }
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.article-card .thumb { aspect-ratio: 16 / 9; overflow: hidden; }
.article-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-card .body { padding: 1.2rem 1.3rem 1.4rem; display: flex; flex-direction: column; flex: 1; }
.article-card .tag { font-size: 0.75rem; font-weight: 700; color: var(--accent-hover); background: var(--accent-soft); padding: 0.2rem 0.6rem; border-radius: 999px; align-self: flex-start; margin-bottom: 0.7rem; }
.article-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.article-card p { color: var(--text-muted); font-size: 0.9rem; flex: 1; }
.article-card .card-link { margin-top: 0.9rem; font-weight: 600; color: var(--primary-color); display: inline-flex; gap: 0.4rem; align-items: center; }

/* Category pill links */
.pill-nav { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; margin-top: 1.8rem; }
.pill-nav a { padding: 0.5rem 1rem; border-radius: 999px; border: 1px solid var(--border-color); background: #fff; font-size: 0.88rem; font-weight: 600; transition: all 0.25s ease; }
.pill-nav a:hover { border-color: var(--accent-color); color: var(--accent-hover); background: var(--surface-color); }

/* Glossary */
.glossary-item { padding: 1rem 1.2rem; border-bottom: 1px solid var(--border-color); }
.glossary-item strong { display: block; font-family: var(--font-heading); margin-bottom: 0.3rem; }
.glossary-item p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }

/* Form */
.field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.field label { font-weight: 600; font-size: 0.9rem; }
.field input, .field textarea, .field select { width: 100%; min-height: 46px; padding: 0.65rem 0.9rem; border: 1.5px solid var(--border-color); border-radius: 10px; font-family: var(--font-body); font-size: 0.95rem; background: #fff; color: var(--text-color); }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--accent-color); box-shadow: 0 0 0 3px var(--accent-soft); }
.field-grid { display: grid; grid-template-columns: 1fr; gap: 0 1rem; }
.consent { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.8rem; }
.consent input { margin-top: 0.2rem; width: 18px; height: 18px; flex: none; }
.consent a { color: var(--primary-color); text-decoration: underline; }
.form-title { font-size: 1.2rem; margin-bottom: 1rem; }
.form-status { margin-top: 0.9rem; font-weight: 600; font-size: 0.9rem; min-height: 1.2rem; }
.form-status.is-error { color: var(--danger-color); }
.form-status.is-success { color: var(--success-color); }
.fine-print {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Social share */
.footer-share {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.8rem 1.2rem;
    padding-block: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-share > span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
    font-size: 0.9rem;
}
.share-buttons { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    min-height: 40px;
    padding: 0.45rem 0.9rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.25s ease;
}
.share-btn:hover,
.share-btn:focus-visible {
    background: var(--accent-color);
    border-color: var(--accent-color);
    outline: none;
}
.share-btn i { font-size: 0.95rem; }