html {
    font-size: 14px;
    scroll-behavior: smooth;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

:root {
    --cld-bg: #f5f7fb;
    --cld-surface: #ffffff;
    --cld-surface-soft: #f8fafc;
    --cld-border: rgba(15, 23, 42, 0.08);
    --cld-border-strong: rgba(15, 23, 42, 0.14);
    --cld-text: #0f172a;
    --cld-text-soft: #475569;
    --cld-text-faint: #64748b;
    --cld-dark: #0f172a;
    --cld-dark-2: #111827;
    --cld-accent: #2563eb;
    --cld-accent-soft: #dbeafe;
    --cld-shadow-sm: 0 8px 24px rgba(15, 23, 42, 0.06);
    --cld-shadow-md: 0 18px 48px rgba(15, 23, 42, 0.10);
    --cld-radius: 18px;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--cld-bg);
    color: var(--cld-text);
    font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
}

a {
    color: var(--cld-accent);
    text-decoration: none;
}

    a:hover {
        color: #1d4ed8;
        text-decoration: none;
    }

main {
    flex: 1 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--cld-border);
}

.navbar {
    padding-top: 0.95rem;
    padding-bottom: 0.95rem;
}

.navbar-brand {
    color: var(--cld-dark) !important;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.nav-link {
    position: relative;
    color: var(--cld-text-soft) !important;
    font-weight: 500;
    padding: 0.5rem 0.85rem !important;
    border-radius: 999px;
    transition: color 0.18s ease, background-color 0.18s ease;
}

    .nav-link:hover,
    .nav-link:focus {
        color: var(--cld-dark) !important;
        background: rgba(37, 99, 235, 0.06);
    }

    .nav-link.is-active {
        color: var(--cld-dark) !important;
        background: rgba(37, 99, 235, 0.10);
        font-weight: 700;
    }

        .nav-link.is-active::after {
            content: "";
            position: absolute;
            left: 0.85rem;
            right: 0.85rem;
            bottom: 0.22rem;
            height: 2px;
            border-radius: 999px;
            background: var(--cld-accent);
        }

.site-footer {
    background: #ffffff;
    border-top: 1px solid var(--cld-border) !important;
    margin-top: auto;
}

    .site-footer strong {
        letter-spacing: -0.02em;
    }

section.bg-light {
    background: linear-gradient(180deg, #f8fbff 0%, #f5f7fb 100%) !important;
}

.display-4,
.display-5 {
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.lead {
    color: var(--cld-text-soft);
    font-size: 1.1rem;
}

.text-muted {
    color: var(--cld-text-faint) !important;
}

ul {
    padding-left: 1.1rem;
}

.border-bottom,
.border-top {
    border-color: var(--cld-border) !important;
}

.shadow-sm {
    box-shadow: var(--cld-shadow-sm) !important;
}

.bg-dark {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%) !important;
}

.container {
    max-width: 1160px;
}

.card {
    background: var(--cld-surface);
    border: 1px solid var(--cld-border) !important;
    border-radius: var(--cld-radius);
    box-shadow: var(--cld-shadow-sm);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

    .card:hover {
        transform: translateY(-3px);
        box-shadow: var(--cld-shadow-md);
        border-color: var(--cld-border-strong) !important;
    }

    .card .h5,
    .card .h4 {
        letter-spacing: -0.02em;
    }

.btn {
    border-radius: 12px;
    font-weight: 600;
    padding: 0.75rem 1.1rem;
}

.btn-lg {
    padding: 0.9rem 1.25rem;
}

.btn-dark {
    background-color: var(--cld-dark);
    border-color: var(--cld-dark);
}

    .btn-dark:hover,
    .btn-dark:focus {
        background-color: #020617;
        border-color: #020617;
    }

.btn-outline-secondary {
    color: var(--cld-dark);
    border-color: var(--cld-border-strong);
}

    .btn-outline-secondary:hover,
    .btn-outline-secondary:focus {
        background-color: #e2e8f0;
        border-color: #cbd5e1;
        color: var(--cld-dark);
    }

.badge {
    border-radius: 999px;
    font-weight: 600;
    padding: 0.5rem 0.75rem;
}

.text-bg-secondary {
    background-color: #e2e8f0 !important;
    color: #334155 !important;
}

.text-bg-dark {
    background-color: var(--cld-dark) !important;
}

.hero-section {
    background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.08), transparent 28%), linear-gradient(180deg, #f8fbff 0%, #f5f7fb 100%);
}

.hero-section__inner,
.page-hero__inner {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
}

.page-hero {
    background: linear-gradient(180deg, #f8fbff 0%, #f5f7fb 100%);
}

.section-block {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.section-block--tight {
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
}

.section-block--tool-main {
    padding-top: 1.5rem;
}

.section-header {
    max-width: 720px;
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--cld-accent);
}

.section-eyebrow--dark {
    color: rgba(255, 255, 255, 0.72);
}

.hero-panel {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.hero-panel__list li + li {
    margin-top: 0.5rem;
}

/* Tool cards */
.tool-card {
    overflow: hidden;
}

    .tool-card .card-body {
        min-height: 100%;
    }

.tool-card__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.tool-card__label {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 0.32rem 0.62rem;
    background: var(--cld-accent-soft);
    color: var(--cld-accent);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.tool-card__slug {
    font-size: 0.8rem;
    color: var(--cld-text-faint);
}

.tool-card__title {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.tool-card__summary {
    font-size: 0.97rem;
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tool-card__footer {
    padding-top: 0.25rem;
}

.tool-card__link {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--cld-dark);
    white-space: nowrap;
}

    .tool-card__link:hover {
        color: var(--cld-accent);
    }

.tool-card__link--disabled {
    color: var(--cld-text-faint);
    cursor: default;
}

.build-status-card {
    overflow: hidden;
}

.content-shell {
    max-width: 920px;
}

.content-shell--wide {
    max-width: 100%;
}

.content-prose {
    background: var(--cld-surface);
    border: 1px solid var(--cld-border);
    border-radius: 22px;
    box-shadow: var(--cld-shadow-sm);
    padding: 2rem;
}

    .content-prose h2 {
        margin-top: 1.75rem;
        margin-bottom: 0.75rem;
        letter-spacing: -0.03em;
    }

        .content-prose h2:first-child {
            margin-top: 0;
        }

    .content-prose p,
    .content-prose li {
        color: var(--cld-text-soft);
    }

    .content-prose ul {
        margin-bottom: 0;
    }

.calculator-form .form-control {
    min-width: 90px;
}

.calculator-table th,
.calculator-table td,
.calculator-results-table th,
.calculator-results-table td {
    vertical-align: middle;
}

.calculator-table th,
.calculator-results-table th {
    font-size: 0.9rem;
    color: var(--cld-text-soft);
    font-weight: 700;
    border-bottom-width: 1px;
}

.calculator-table td,
.calculator-results-table td {
    background: transparent;
}

.calculator-results-table td,
.calculator-results-table th {
    white-space: nowrap;
}

.calculator-results-table tbody tr td:first-child {
    font-weight: 600;
    color: var(--cld-text);
    white-space: normal;
    min-width: 280px;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.result-stat {
    padding: 1rem 1.1rem;
    border: 1px solid var(--cld-border);
    border-radius: 16px;
    background: var(--cld-surface-soft);
}

.result-stat__label {
    display: block;
    font-size: 0.85rem;
    color: var(--cld-text-faint);
    margin-bottom: 0.4rem;
}

.result-stat strong {
    display: block;
    margin-top: 0.2rem;
    line-height: 1.45;
}

.result-explanation {
    padding: 1.1rem 1.2rem;
    border: 1px solid var(--cld-border);
    border-radius: 16px;
    background: var(--cld-surface-soft);
}

/* Tool hero */
.page-hero--tool {
    background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.10), transparent 24%), linear-gradient(180deg, #f8fbff 0%, #f5f7fb 100%);
}

.tool-hero {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid var(--cld-border);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: var(--cld-shadow-sm);
}

.tool-hero__title {
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
    font-weight: 800;
    color: var(--cld-dark);
    margin: 0;
    max-width: 12ch;
}

.tool-hero__description {
    font-size: 1.05rem;
    color: var(--cld-text-soft);
    max-width: 62ch;
}

.tool-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.tool-hero__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    background: var(--cld-surface-soft);
    border: 1px solid var(--cld-border);
    color: var(--cld-text-soft);
    font-size: 0.88rem;
    font-weight: 600;
}

.tool-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* Share card */
.tool-share-card {
    height: 100%;
    background: #ffffff;
    border: 1px solid var(--cld-border);
    border-radius: 20px;
    padding: 1.25rem;
    box-shadow: var(--cld-shadow-sm);
}

.tool-share-card__header {
    margin-bottom: 1rem;
}

.tool-share-card__eyebrow {
    display: inline-block;
    margin-bottom: 0.4rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--cld-accent);
}

.tool-share-card__title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--cld-dark);
}

.tool-share-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.tool-share-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 46px;
    padding: 0.75rem 0.95rem;
    border: 0;
    border-radius: 12px;
    color: #ffffff;
    font-weight: 700;
    font-size: 0.92rem;
    text-decoration: none;
    box-shadow: var(--cld-shadow-sm);
    transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
    cursor: pointer;
}

    .tool-share-btn:hover {
        transform: translateY(-2px);
        box-shadow: var(--cld-shadow-md);
        color: #ffffff;
        opacity: 0.96;
    }

.tool-share-btn--facebook {
    background: #1877f2;
}

.tool-share-btn--x {
    background: #111111;
}

.tool-share-btn--linkedin {
    background: #0a66c2;
}

.tool-share-btn--reddit {
    background: #ff4500;
}

.tool-share-btn--copy {
    background: #0f172a;
    grid-column: 1 / -1;
}

.tool-share-card__note {
    color: var(--cld-text-faint);
    font-size: 0.9rem;
}

.tool-quickbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1rem 1.2rem;
    border: 1px solid var(--cld-border);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(8px);
    box-shadow: var(--cld-shadow-sm);
}

.tool-quickbar__group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.tool-quickbar__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0.6rem 0.9rem;
    border-radius: 10px;
    border: 1px solid var(--cld-border);
    background: var(--cld-surface);
    color: var(--cld-text-soft);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.18s ease;
}

    .tool-quickbar__link:hover {
        color: var(--cld-dark);
        border-color: var(--cld-border-strong);
        box-shadow: var(--cld-shadow-sm);
    }

.tool-quickbar__button {
    cursor: pointer;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.results-header__actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Section cards */
.tool-section-card {
    background: var(--cld-surface);
    border: 1px solid var(--cld-border);
    border-radius: 22px;
    box-shadow: var(--cld-shadow-sm);
    overflow: hidden;
}

.tool-section-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem 1.75rem;
    border-bottom: 1px solid var(--cld-border);
}

.tool-section-card__header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.tool-section-card__title {
    margin: 0;
    letter-spacing: -0.03em;
}

.tool-section-card__subtitle {
    margin-top: 0.45rem;
    color: var(--cld-text-faint);
}

.tool-section-card__body {
    padding: 1.75rem;
}

/* Accordion toggle */
.tool-section-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--cld-border);
    border-radius: 12px;
    background: var(--cld-surface-soft);
    color: var(--cld-accent);
    cursor: pointer;
    transition: all 0.18s ease;
    flex: 0 0 auto;
}

    .tool-section-toggle:hover {
        background: var(--cld-accent-soft);
        color: var(--cld-accent);
        border-color: rgba(37, 99, 235, 0.20);
        box-shadow: var(--cld-shadow-sm);
    }

.tool-section-toggle__icon {
    font-size: 1.05rem;
    line-height: 1;
    transition: transform 0.2s ease;
}

.tool-section-toggle[aria-expanded="true"] .tool-section-toggle__icon {
    transform: rotate(180deg);
}

.tool-section-toggle[aria-expanded="false"] .tool-section-toggle__icon {
    transform: rotate(0deg);
}

.tool-section-card.is-collapsed .tool-section-card__header {
    border-bottom: 0;
}

.tool-status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    line-height: 1;
    border: 1px solid transparent;
}

.tool-status-badge--live {
    background: #dcfce7;
    color: #166534;
    border-color: #bbf7d0;
}

.tool-status-badge--planned {
    background: #ffedd5;
    color: #9a3412;
    border-color: #fdba74;
}

/* Tools catalog accordion */
.tool-category-accordion {
    scroll-margin-top: 110px;
}

    .tool-category-accordion .tool-section-card__header {
        align-items: center;
    }

    .tool-category-accordion .tool-section-card__title {
        margin-bottom: 0;
    }

    .tool-category-accordion .tool-section-card__subtitle {
        margin-top: 0.35rem;
    }

    .tool-category-accordion .tool-section-toggle {
        background: var(--cld-surface-soft);
    }

    .tool-category-accordion.is-collapsed .tool-section-card__body {
        display: none;
    }

    .tool-category-accordion.is-collapsed .tool-section-card__header {
        border-bottom: 0;
    }

    .tool-category-accordion .tool-section-card__body {
        background: linear-gradient(180deg, #ffffff 0%, #fbfcfe 100%);
    }

    .tool-category-accordion .row.g-4 {
        --bs-gutter-y: 1.25rem;
    }

    .tool-category-accordion .tool-card {
        height: 100%;
    }

        .tool-category-accordion .tool-card .card-body {
            min-height: 100%;
        }

    .tool-category-accordion .tool-card__link {
        white-space: nowrap;
    }

/* Better mobile navbar toggle */
.custom-navbar-toggler {
    border: 0;
    padding: 0;
    background: transparent;
    box-shadow: none !important;
}

    .custom-navbar-toggler:focus {
        box-shadow: none;
    }

.custom-navbar-toggler__box {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    border: 1px solid var(--cld-border);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    transition: all 0.18s ease;
    box-shadow: var(--cld-shadow-sm);
}

.custom-navbar-toggler:hover .custom-navbar-toggler__box {
    border-color: var(--cld-border-strong);
    box-shadow: var(--cld-shadow-md);
    transform: translateY(-1px);
}

.custom-navbar-toggler__line {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: var(--cld-dark);
    transition: transform 0.18s ease, opacity 0.18s ease;
}

.custom-navbar-toggler[aria-expanded="true"] .custom-navbar-toggler__line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.custom-navbar-toggler[aria-expanded="true"] .custom-navbar-toggler__line:nth-child(2) {
    opacity: 0;
}

.custom-navbar-toggler[aria-expanded="true"] .custom-navbar-toggler__line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Scroll to top */
.scroll-top-btn {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 52px;
    height: 52px;
    border: 1px solid var(--cld-border);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    color: var(--cld-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--cld-shadow-sm);
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: all 0.2s ease;
    z-index: 1050;
}

    .scroll-top-btn i {
        font-size: 1.5rem;
        line-height: 1;
    }

    .scroll-top-btn:hover {
        transform: translateY(-2px);
        box-shadow: var(--cld-shadow-md);
        border-color: var(--cld-border-strong);
    }

    .scroll-top-btn.is-visible {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

@media (min-width: 992px) {
    .content-prose {
        padding: 2.5rem;
    }
}

@media (max-width: 991.98px) {
    .display-4,
    .display-5 {
        line-height: 1.12;
    }

    .navbar-collapse {
        padding-top: 0.75rem;
    }

    .hero-section__inner,
    .page-hero__inner {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }

    .section-block {
        padding-top: 2.5rem;
        padding-bottom: 2.5rem;
    }

    .tool-hero {
        padding: 1.5rem;
    }

    .tool-hero__title {
        max-width: none;
    }

    .tool-category-accordion .tool-section-card__header {
        align-items: flex-start;
    }
}

@media (max-width: 767.98px) {
    .result-grid {
        grid-template-columns: 1fr;
    }

    .tool-quickbar {
        padding: 0.9rem 1rem;
    }

    .results-header {
        flex-direction: column;
        align-items: stretch;
    }

    .tool-section-card__header,
    .tool-section-card__body {
        padding: 1.25rem;
    }

    .tool-section-card__header {
        flex-direction: row;
        align-items: flex-start;
    }

    .tool-section-card__header-actions {
        width: 100%;
    }

    .tool-category-accordion {
        scroll-margin-top: 90px;
    }

        .tool-category-accordion .tool-section-card__header {
            gap: 0.85rem;
        }

        .tool-category-accordion .tool-section-toggle {
            width: 40px;
            height: 40px;
        }

    .tool-card__summary {
        -webkit-line-clamp: 4;
    }

    .scroll-top-btn {
        right: 16px;
        bottom: 16px;
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 575.98px) {
    .tool-share-grid {
        grid-template-columns: 1fr;
    }

    .tool-share-btn--copy {
        grid-column: auto;
    }

    .tool-hero__actions,
    .results-header__actions {
        flex-direction: column;
    }

        .tool-hero__actions .btn,
        .results-header__actions .btn {
            width: 100%;
        }
}