/* ============================================================
 * 생활계산기 — Design Tokens & Base Styles
 * ============================================================ */

:root {
    /* Brand */
    --brand-primary: #4f46e5;       /* indigo-600 */
    --brand-primary-hover: #4338ca; /* indigo-700 */
    --brand-primary-soft: #eef2ff;  /* indigo-50 */
    --brand-accent: #0ea5e9;        /* sky-500 */

    /* Category accents */
    --cat-real-estate: #ec4899;     /* pink-500   — 부동산/세무 */
    --cat-finance:     #3b82f6;     /* blue-500   — 금융 */
    --cat-life:        #10b981;     /* emerald-500 — 생활 */
    --cat-invest:      #f59e0b;     /* amber-500  — 투자 */
    --cat-converter:   #8b5cf6;     /* violet-500 — 단위 변환 */

    /* Surfaces */
    --bg-page: #f8fafc;             /* slate-50 */
    --bg-card: #ffffff;
    --bg-soft: #f1f5f9;             /* slate-100 */

    /* Text */
    --text-strong: #0f172a;
    --text-body:   #334155;
    --text-muted:  #64748b;

    /* Borders */
    --border-subtle: #e2e8f0;
    --border-strong: #cbd5e1;

    /* Effects */
    --radius-sm: .375rem;
    --radius-md: .75rem;
    --radius-lg: 1rem;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, .08);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
    --ring: 0 0 0 4px rgba(79, 70, 229, .15);

    /* Bootstrap overrides */
    --bs-primary: var(--brand-primary);
    --bs-link-color: var(--brand-primary);
    --bs-link-hover-color: var(--brand-primary-hover);
    --bs-body-bg: var(--bg-page);
    --bs-body-color: var(--text-body);
    --bs-border-color: var(--border-subtle);
}

[data-bs-theme="dark"] {
    --brand-primary: #818cf8;
    --brand-primary-hover: #a5b4fc;
    --brand-primary-soft: #1e1b4b;
    --brand-accent: #38bdf8;

    --cat-real-estate: #f472b6;
    --cat-finance:     #60a5fa;
    --cat-life:        #34d399;
    --cat-invest:      #fbbf24;
    --cat-converter:   #a78bfa;

    --bg-page: #0b1120;
    --bg-card: #111827;
    --bg-soft: #1e293b;

    --text-strong: #f1f5f9;
    --text-body:   #cbd5e1;
    --text-muted:  #94a3b8;

    --border-subtle: #1e293b;
    --border-strong: #334155;

    --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
    --shadow-md: 0 4px 12px rgba(0,0,0,.35);
    --shadow-lg: 0 12px 32px rgba(0,0,0,.45);
    --ring: 0 0 0 4px rgba(129, 140, 248, .25);
}

/* ---------- Base ---------- */
html { scroll-behavior: smooth; }

body {
    font-family: 'Pretendard Variable', Pretendard, 'Noto Sans KR', -apple-system,
                 BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    background: var(--bg-page);
    color: var(--text-body);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-strong);
    font-weight: 700;
    letter-spacing: -.02em;
}

a { color: var(--brand-primary); text-decoration: none; }
a:hover { color: var(--brand-primary-hover); }

::selection { background: var(--brand-primary-soft); color: var(--brand-primary); }

/* ---------- Navbar ---------- */
.navbar {
    background: rgba(255, 255, 255, .85) !important;
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: none;
    padding-top: .85rem;
    padding-bottom: .85rem;
    position: sticky;
    top: 0;
    z-index: 1030;
}
[data-bs-theme="dark"] .navbar {
    background: rgba(17, 24, 39, .85) !important;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--brand-primary) !important;
    display: inline-flex;
    align-items: center;
    gap: .55rem;
}
.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
    color: #fff;
    font-size: 1rem;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.navbar .nav-link {
    color: var(--text-body);
    font-weight: 500;
    padding: .45rem .85rem;
    border-radius: var(--radius-sm);
    transition: color .15s, background-color .15s;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
}
.navbar .nav-link:hover,
.navbar .nav-link:focus { color: var(--brand-primary); background: var(--brand-primary-soft); }

/* Header search */
.header-search {
    position: relative;
    width: 100%;
    max-width: 360px;
}
.header-search .form-control {
    padding-left: 2.4rem;
    border-radius: 999px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-soft);
    transition: all .15s;
}
.header-search .form-control:focus {
    background: var(--bg-card);
    border-color: var(--brand-primary);
    box-shadow: var(--ring);
}
.header-search .search-icon {
    position: absolute;
    left: .9rem; top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* Theme toggle */
.theme-toggle {
    width: 38px; height: 38px;
    border-radius: 999px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-card);
    color: var(--text-body);
    display: inline-flex;
    align-items: center; justify-content: center;
    transition: all .15s;
    flex-shrink: 0;
}
.theme-toggle:hover {
    color: var(--brand-primary);
    border-color: var(--brand-primary);
    box-shadow: var(--ring);
}
.theme-toggle .bi-sun-fill { display: none; }
[data-bs-theme="dark"] .theme-toggle .bi-moon-stars-fill { display: none; }
[data-bs-theme="dark"] .theme-toggle .bi-sun-fill { display: inline-block; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: 3.5rem 0 2.5rem;
    text-align: center;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: -40% 10% auto 10%;
    height: 280px;
    background: radial-gradient(closest-side, rgba(79, 70, 229, .12), transparent);
    pointer-events: none;
    z-index: 0;
}
.hero > * { position: relative; z-index: 1; }

.hero-eyebrow {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .3rem .85rem;
    background: var(--brand-primary-soft);
    color: var(--brand-primary);
    border-radius: 999px;
    font-size: .8rem; font-weight: 600;
    margin-bottom: 1rem;
}
.hero-title {
    font-size: clamp(1.85rem, 4.2vw, 2.85rem);
    line-height: 1.2;
    font-weight: 800;
    color: var(--text-strong);
    margin-bottom: .85rem;
    letter-spacing: -.03em;
}
.hero-title .accent {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-sub {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 620px;
    margin: 0 auto 1.5rem;
    line-height: 1.65;
}
.hero-stats {
    display: inline-flex;
    gap: 2rem;
    padding: .85rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
    justify-content: center;
}
.hero-stats .stat strong {
    color: var(--text-strong);
    font-weight: 700;
    margin-right: .3rem;
}
.hero-stats .stat span { color: var(--text-muted); font-size: .9rem; }

/* ---------- Section heading ---------- */
.section-head {
    display: flex; align-items: end; justify-content: space-between;
    margin: 2.5rem 0 1.25rem;
    gap: 1rem;
    flex-wrap: wrap;
}
.section-head .label {
    font-size: .78rem; font-weight: 700;
    color: var(--brand-primary);
    text-transform: uppercase;
    letter-spacing: .08em;
}
.section-head .title {
    font-size: 1.4rem; font-weight: 700;
    color: var(--text-strong);
    margin: .15rem 0 0;
}
.section-head .more {
    font-size: .9rem;
    color: var(--brand-primary);
    font-weight: 500;
    display: inline-flex; align-items: center; gap: .25rem;
}
.section-head .more:hover { color: var(--brand-primary-hover); }

/* ---------- Calc cards (home grid) ---------- */
.calc-card {
    display: flex;
    flex-direction: column;
    position: relative;
    height: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.3rem 1.15rem 1.15rem;
    text-decoration: none;
    color: var(--text-body);
    box-shadow: var(--shadow-sm);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    overflow: hidden;
}
.calc-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    color: var(--text-body);
}
.calc-card .icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.25rem;
    background: var(--brand-primary-soft);
    color: var(--brand-primary);
    margin-bottom: .9rem;
}
.calc-card .title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-strong);
    margin-bottom: .3rem;
    letter-spacing: -.01em;
}
.calc-card .desc {
    font-size: .82rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.calc-card .arrow {
    position: absolute;
    top: 1.3rem; right: 1.15rem;
    color: var(--text-muted);
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity .18s, transform .18s, color .18s;
}
.calc-card:hover .arrow {
    opacity: 1;
    transform: translateX(0);
    color: var(--brand-primary);
}

.calc-card[data-accent="real-estate"] .icon { background: rgba(236, 72, 153, .12); color: var(--cat-real-estate); }
.calc-card[data-accent="finance"]     .icon { background: rgba(59, 130, 246, .12); color: var(--cat-finance); }
.calc-card[data-accent="life"]        .icon { background: rgba(16, 185, 129, .12); color: var(--cat-life); }
.calc-card[data-accent="invest"]      .icon { background: rgba(245, 158, 11, .12); color: var(--cat-invest); }
.calc-card[data-accent="converter"]   .icon { background: rgba(139, 92, 246, .12); color: var(--cat-converter); }

/* ---------- Accordion ---------- */
.accordion-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md) !important;
    margin-bottom: .65rem;
    overflow: hidden;
}
.accordion-item:first-of-type,
.accordion-item:last-of-type { border-radius: var(--radius-md) !important; }
.accordion-button {
    background: var(--bg-card) !important;
    color: var(--text-strong) !important;
    font-weight: 600;
    padding: 1rem 1.15rem;
    box-shadow: none !important;
    border-radius: var(--radius-md) !important;
}
.accordion-button:not(.collapsed) {
    background: var(--brand-primary-soft) !important;
    color: var(--brand-primary) !important;
}
.accordion-body { padding: 1rem 1.15rem 1.25rem; }
.accordion-body ul.list-unstyled li a {
    display: inline-block;
    padding: .35rem .6rem;
    border-radius: 6px;
    color: var(--text-body);
    transition: background-color .15s, color .15s;
    font-size: .92rem;
}
.accordion-body ul.list-unstyled li a:hover {
    background: var(--brand-primary-soft);
    color: var(--brand-primary);
}

/* ---------- Forms / buttons (calculator pages) ---------- */
.form-control, .form-select {
    border-color: var(--border-subtle);
    background: var(--bg-card);
    color: var(--text-strong);
}
.form-control:focus, .form-select:focus {
    border-color: var(--brand-primary);
    box-shadow: var(--ring);
}
.form-label { color: var(--text-strong); font-weight: 500; }
.input-group-text {
    background: var(--bg-soft);
    border-color: var(--border-subtle);
    color: var(--text-muted);
}

.btn-primary {
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--brand-primary-hover);
    border-color: var(--brand-primary-hover);
}
.btn-outline-primary {
    color: var(--brand-primary);
    border-color: var(--brand-primary);
}
.btn-outline-primary:hover {
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
    color: #fff;
}

/* Generic card polish (used by calculator pages) */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}
.card.shadow { box-shadow: var(--shadow-md) !important; }
.card-header {
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border-subtle);
}

/* Legacy solid color card-headers (used by 20+ calculator views).
   Re-tone Bootstrap's loud Bootstrap-4 colors to brand-aligned hues
   without rewriting every view. */
.card-header.bg-primary   { background: linear-gradient(135deg, #4f46e5, #6366f1) !important; }
.card-header.bg-success   { background: linear-gradient(135deg, #059669, #10b981) !important; }
.card-header.bg-info      { background: linear-gradient(135deg, #0284c7, #0ea5e9) !important; }
.card-header.bg-warning   { background: linear-gradient(135deg, #d97706, #f59e0b) !important; color: #fff !important; }
.card-header.bg-danger    { background: linear-gradient(135deg, #dc2626, #ef4444) !important; }
.card-header.bg-secondary { background: linear-gradient(135deg, #475569, #64748b) !important; }
.card-header.bg-dark      { background: linear-gradient(135deg, #1e293b, #334155) !important; }
.card-header[class*="bg-"].text-white { border-bottom: none; }
.card-header[class*="bg-"].text-white h1,
.card-header[class*="bg-"].text-white h2,
.card-header[class*="bg-"].text-white h3,
.card-header[class*="bg-"].text-white h4,
.card-header[class*="bg-"].text-white h5,
.card-header[class*="bg-"].text-white h6 { color: #fff; }

/* Result tiles inside calculator pages (e.g. .card.bg-success.text-white) */
.card.bg-primary.text-white   { background: linear-gradient(135deg, #4f46e5, #6366f1) !important; border: none; }
.card.bg-success.text-white   { background: linear-gradient(135deg, #059669, #10b981) !important; border: none; }
.card.bg-info.text-white      { background: linear-gradient(135deg, #0284c7, #0ea5e9) !important; border: none; }
.card.bg-warning.text-white   { background: linear-gradient(135deg, #d97706, #f59e0b) !important; border: none; }
.card.bg-danger.text-white    { background: linear-gradient(135deg, #dc2626, #ef4444) !important; border: none; }
.card.bg-secondary.text-white { background: linear-gradient(135deg, #475569, #64748b) !important; border: none; }
.card.bg-dark.text-white      { background: linear-gradient(135deg, #1e293b, #334155) !important; border: none; }
.card[class*="bg-"].text-white h1,
.card[class*="bg-"].text-white h2,
.card[class*="bg-"].text-white h3,
.card[class*="bg-"].text-white h4,
.card[class*="bg-"].text-white h5,
.card[class*="bg-"].text-white h6,
.card[class*="bg-"].text-white .card-title,
.card[class*="bg-"].text-white .card-subtitle { color: #fff; }

/* Soft alerts */
.alert {
    border: 1px solid transparent;
    border-radius: var(--radius-md);
}
.alert-info {
    background: rgba(14, 165, 233, .08);
    border-color: rgba(14, 165, 233, .25);
    color: #0369a1;
}
.alert-success {
    background: rgba(16, 185, 129, .08);
    border-color: rgba(16, 185, 129, .25);
    color: #047857;
}
.alert-warning {
    background: rgba(245, 158, 11, .1);
    border-color: rgba(245, 158, 11, .25);
    color: #92400e;
}
.alert-danger {
    background: rgba(239, 68, 68, .08);
    border-color: rgba(239, 68, 68, .25);
    color: #b91c1c;
}
[data-bs-theme="dark"] .alert-info    { color: #7dd3fc; }
[data-bs-theme="dark"] .alert-success { color: #6ee7b7; }
[data-bs-theme="dark"] .alert-warning { color: #fcd34d; }
[data-bs-theme="dark"] .alert-danger  { color: #fca5a5; }

/* List-group active (used in financial sidebar) */
.list-group-item {
    background: var(--bg-card);
    border-color: var(--border-subtle);
    color: var(--text-body);
}
.list-group-item.active {
    background: var(--brand-primary) !important;
    border-color: var(--brand-primary) !important;
    color: #fff !important;
}
.list-group-item-action:hover,
.list-group-item-action:focus {
    background: var(--brand-primary-soft);
    color: var(--brand-primary);
}
.calculator-card {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
    transition: transform .18s, box-shadow .18s;
}
.calculator-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Result box */
.result-box {
    background: var(--brand-primary-soft);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-top: 1.5rem;
}
.result-box h4 { color: var(--brand-primary); margin-bottom: 1rem; }

/* Tables */
.table-calculator { width: 100%; margin-bottom: 1rem; }
.table-calculator th, .table-calculator td {
    padding: .75rem;
    border-top: 1px solid var(--border-subtle);
    vertical-align: top;
}
.table-calculator thead th {
    background: var(--bg-soft);
    border-bottom: 2px solid var(--border-subtle);
    vertical-align: bottom;
}

/* Breadcrumb */
.breadcrumb { background: transparent; padding: 0; font-size: .9rem; }
.breadcrumb-item a { color: var(--text-muted); }
.breadcrumb-item.active { color: var(--text-strong); }

/* Badge */
.badge.bg-primary { background-color: var(--brand-primary) !important; }
.category-badge {
    display: inline-block;
    padding: .25rem .75rem;
    background: var(--brand-primary-soft);
    color: var(--brand-primary);
    border-radius: 999px;
    font-size: .8rem; font-weight: 500;
}

/* ---------- Mega menu ---------- */
.mega-dropdown {
    width: min(1180px, calc(100vw - 120px));
    max-height: min(640px, calc(100vh - 140px));
    overflow-y: auto;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 1.5rem 1.75rem;
    background: var(--bg-card);
}
/* viewport 정중앙(가로) — inset shorthand + margin auto */
.mega-dropdown.show {
    position: fixed !important;
    inset: 5rem 60px auto 60px !important;
    transform: none !important;
    margin-left: auto !important;
    margin-right: auto !important;
}
@media (max-width: 991px) {
    .mega-dropdown { width: calc(100vw - 32px); padding: 1rem 1.25rem; }
    .mega-dropdown.show { inset: 4.25rem 16px auto 16px !important; }
}
@media (max-width: 575px) {
    .mega-dropdown.show { inset: 3.75rem 8px auto 8px !important; }
}
.mega-dropdown .dropdown-header {
    color: var(--text-strong);
    font-weight: 700;
    font-size: .95rem;
    padding: .25rem .25rem .5rem;
    margin-bottom: .25rem;
}
.mega-dropdown hr.dropdown-divider {
    margin: .25rem 0 .75rem;
}

/* 카테고리들을 그리드로 가로 펼침 */
#megaMenuContent .row {
    --bs-gutter-x: 0;
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem 1.75rem;
    margin: 0 !important;
}
#megaMenuContent .col-md-6,
.mega-dropdown .mega-category {
    flex: none !important;
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    margin-bottom: 0;
    min-width: 0;
}
.mega-dropdown .category-title {
    font-weight: 700;
    color: var(--brand-primary);
    font-size: .82rem;
    margin-bottom: .55rem;
    padding-bottom: .4rem;
    border-bottom: 2px solid var(--brand-primary-soft);
    text-transform: uppercase;
    letter-spacing: .05em;
    display: flex;
    align-items: center;
    gap: .4rem;
}
.mega-dropdown .category-title i { font-size: .9rem; }

/* 항목 — 카테고리당 세로 리스트, 너무 많으면 자체 스크롤 */
.mega-dropdown .category-items {
    display: flex !important;
    flex-direction: column;
    gap: .05rem;
    grid-template-columns: unset !important;
    max-height: 420px;
    overflow-y: auto;
    padding-right: .25rem;
}
.mega-dropdown .category-items::-webkit-scrollbar { width: 6px; }
.mega-dropdown .category-items::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 3px;
}
.mega-dropdown .category-item {
    padding: .4rem .6rem;
    border-radius: 6px;
    transition: background-color .12s, color .12s, padding-left .12s;
    text-decoration: none;
    color: var(--text-body);
    font-size: .88rem;
    display: flex;
    align-items: center;
    gap: .5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.35;
}
.mega-dropdown .category-item i {
    color: var(--text-muted);
    font-size: .85rem;
    flex-shrink: 0;
}
.mega-dropdown .category-item:hover {
    background: var(--brand-primary-soft);
    color: var(--brand-primary);
    padding-left: .85rem;
}
.mega-dropdown .category-item:hover i { color: var(--brand-primary); }

@media (max-width: 991px) {
    .mega-dropdown { width: calc(100vw - 16px); }
    #megaMenuContent .row {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 1rem;
    }
}
@media (max-width: 575px) {
    #megaMenuContent .row { grid-template-columns: 1fr; }
    .mega-dropdown .category-items { max-height: 280px; }
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-subtle);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
    color: var(--text-muted);
}
.site-footer h6 {
    font-size: .8rem;
    font-weight: 700;
    color: var(--text-strong);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 1rem;
}
.site-footer .footer-brand {
    display: inline-flex; align-items: center; gap: .55rem;
    font-weight: 800; color: var(--text-strong);
    margin-bottom: .65rem;
    font-size: 1.05rem;
}
.site-footer .footer-tagline { font-size: .9rem; line-height: 1.6; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: .5rem; }
.site-footer a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color .15s;
    font-size: .9rem;
}
.site-footer a:hover { color: var(--brand-primary); }
.site-footer .footer-bottom {
    border-top: 1px solid var(--border-subtle);
    margin-top: 2.5rem;
    padding-top: 1.25rem;
    display: flex; justify-content: space-between; gap: 1rem;
    flex-wrap: wrap;
    font-size: .82rem;
}

/* ---------- URL copy card ---------- */
.url-copy-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    display: flex; align-items: center; gap: .75rem;
    flex-wrap: wrap;
    box-shadow: var(--shadow-sm);
}
.url-copy-card .label { font-weight: 700; color: var(--text-strong); }
.url-copy-card .value {
    color: var(--text-muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: .92rem;
}

/* ---------- 9-block content sections ---------- */
.block-related .related-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: transform .15s, border-color .15s, box-shadow .15s;
}
.block-related .related-card:hover {
    transform: translateY(-2px);
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-md);
}
.block-faq .accordion-button:not(.collapsed) {
    background: var(--brand-primary-soft);
    color: var(--brand-primary-hover);
    font-weight: 600;
}
[data-bs-theme="dark"] .block-faq .accordion-button:not(.collapsed) {
    background: rgba(99, 102, 241, .15);
    color: #c7d2fe;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .hero { padding: 2.25rem 0 1.75rem; }
    .section-head { margin: 1.75rem 0 1rem; }
    .navbar { padding-top: .65rem; padding-bottom: .65rem; }
}