/* financecalc — bold type + vivid accents, mobile-first */
:root {
    --bg: #f6f4fb;
    --surface: #ffffff;
    --text: #120c18;
    --muted: #5b5563;
    --border: #e4dff0;
    --accent: #a21caf;
    --accent-hover: #86198f;
    --accent-hot: #f97316;
    --accent-hot-hover: #ea580c;
    --accent-soft: #fae8ff;
    --accent-ring: rgba(162, 28, 175, 0.35);
    --header-gradient: linear-gradient(125deg, #1e0b3d 0%, #4c1d95 42%, #7c3aed 88%);
    --radius: 14px;
    --shadow: 0 2px 8px rgba(76, 29, 149, 0.07);
    --shadow-lg: 0 16px 40px rgba(76, 29, 149, 0.12);
    --space: 8px;
    --font-display: "Outfit", ui-sans-serif, system-ui, sans-serif;
    --font-body: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;
    --max: 1120px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 100%;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--accent-hot);
    color: #1a0508;
    font-weight: 700;
    z-index: 100;
}

.skip-link:focus {
    left: 0.5rem;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.site-header {
    background: var(--header-gradient);
    border-bottom: none;
    box-shadow: 0 4px 24px rgba(30, 11, 61, 0.35);
    position: sticky;
    top: 0;
    z-index: 50;
}

.site-header__inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: calc(var(--space) * 2) calc(var(--space) * 2);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: calc(var(--space) * 2);
}

.site-logo {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.03em;
    text-decoration: none;
    background: linear-gradient(100deg, #fde68a 0%, #fb923c 35%, #f472b6 70%, #e9d5ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 40px rgba(251, 146, 60, 0.35);
}

.site-logo:hover,
.site-logo:focus {
    filter: brightness(1.08);
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: calc(var(--space) * 1.5);
}

.site-nav a {
    font-family: var(--font-display);
    color: rgba(255, 255, 255, 0.82);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.35rem 0.6rem;
    border-radius: 999px;
    transition: color 0.15s ease, background 0.15s ease;
}

.site-nav a:hover,
.site-nav a:focus {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}

.ad-slot {
    background: linear-gradient(180deg, #ede9fe 0%, #f5f3ff 100%);
    border-bottom: 1px solid var(--border);
}

.ad-slot__inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: calc(var(--space) * 1.5) calc(var(--space) * 2);
    text-align: center;
    font-size: 0.75rem;
    color: var(--muted);
    letter-spacing: 0.02em;
}

.ad-slot--incontent {
    background: transparent;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    margin-bottom: calc(var(--space) * 3);
}

.ad-slot--incontent .ad-slot__inner {
    padding: calc(var(--space) * 2);
}

.ad-slot--sidebar {
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
    min-height: 250px;
    position: sticky;
    top: calc(var(--space) * 8);
}

.ad-slot--sidebar .ad-slot__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 240px;
}

.site-main {
    max-width: var(--max);
    margin: 0 auto;
    padding: calc(var(--space) * 3) calc(var(--space) * 2) calc(var(--space) * 6);
}

.breadcrumbs {
    margin-bottom: calc(var(--space) * 2);
}

.breadcrumbs ol {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: calc(var(--space) * 0.5);
    font-size: 0.875rem;
    color: var(--muted);
}

.breadcrumbs li:not(:last-child)::after {
    content: "/";
    margin-left: calc(var(--space) * 0.5);
    color: var(--border);
}

.breadcrumbs a {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus {
    color: var(--accent-hot);
    text-decoration: underline;
}

.hero {
    padding: calc(var(--space) * 2) 0 calc(var(--space) * 4);
}

.hero__title {
    margin: 0 0 calc(var(--space) * 1);
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
    background: linear-gradient(105deg, #4c1d95 0%, #a21caf 45%, #db2777 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__tagline {
    margin: 0;
    font-size: 1.0625rem;
    color: var(--muted);
    max-width: 42rem;
}

.block {
    margin-bottom: calc(var(--space) * 5);
}

.section-head {
    margin-bottom: calc(var(--space) * 2);
}

.section-head h2 {
    margin: 0 0 calc(var(--space) * 0.5);
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #3b0764;
}

.section-head__sub {
    margin: 0;
    color: var(--muted);
    font-size: 0.9375rem;
}

.search-block__label {
    display: block;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    color: #4c1d95;
    margin-bottom: calc(var(--space) * 1);
}

.search-block__field {
    max-width: 32rem;
}

.search-block__input {
    width: 100%;
    padding: calc(var(--space) * 1.5) calc(var(--space) * 2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.search-block__input:focus {
    outline: 2px solid var(--accent-ring);
    outline-offset: 1px;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.search-block__hint {
    display: block;
    margin-top: calc(var(--space) * 1);
    font-size: 0.8125rem;
    color: var(--muted);
}

.card-grid {
    display: grid;
    gap: calc(var(--space) * 2);
}

.card-grid--categories {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card-grid--featured,
.card-grid--all,
.card-grid--category {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.category-card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.category-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    border-color: #d8b4fe;
}

.category-card__link {
    display: block;
    padding: calc(var(--space) * 3);
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.category-card__icon {
    display: block;
    font-size: 1.5rem;
    margin-bottom: calc(var(--space) * 1);
    color: var(--accent);
}

.category-card__title {
    margin: 0 0 calc(var(--space) * 1);
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #4c1d95;
}

.category-card__desc {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--muted);
}

.calc-card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.calc-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: #e879f9;
}

.calc-card__link {
    display: block;
    padding: calc(var(--space) * 2.5);
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.calc-card__title {
    margin: 0 0 calc(var(--space) * 1);
    font-family: var(--font-display);
    font-size: 1.0625rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #1f1630;
}

.calc-card__desc {
    margin: 0 0 calc(var(--space) * 1.5);
    font-size: 0.9375rem;
    color: var(--muted);
}

.calc-card__cta {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--accent-hot);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.no-results {
    text-align: center;
    color: var(--muted);
    margin-top: calc(var(--space) * 2);
}

.page-intro__title {
    margin: 0 0 calc(var(--space) * 1);
    font-family: var(--font-display);
    font-size: clamp(1.65rem, 3.5vw, 2.15rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #4c1d95;
}

.page-intro__lead {
    margin: 0 0 calc(var(--space) * 3);
    color: var(--muted);
    max-width: 40rem;
}

.page-intro--center {
    text-align: center;
}

.page-intro--center .page-intro__lead {
    margin-left: auto;
    margin-right: auto;
}

.layout-with-ads {
    display: grid;
    grid-template-columns: 1fr;
    gap: calc(var(--space) * 3);
}

@media (min-width: 900px) {
    .layout-with-ads {
        grid-template-columns: minmax(0, 1fr) 300px;
        align-items: start;
    }
}

.calculator-shell {
    background: var(--surface);
    border: 1px solid #ede9fe;
    border-radius: var(--radius);
    padding: calc(var(--space) * 3);
    box-shadow: var(--shadow);
}

.calc-form {
    display: grid;
    gap: calc(var(--space) * 2);
}

.calc-row {
    display: grid;
    gap: calc(var(--space) * 1);
}

@media (min-width: 560px) {
    .calc-row--2 {
        grid-template-columns: 1fr 1fr;
    }
}

.calc-form label {
    font-weight: 600;
    font-size: 0.875rem;
}

.calc-form input,
.calc-form select {
    width: 100%;
    padding: calc(var(--space) * 1.25) calc(var(--space) * 1.5);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    background: #fff;
}

.calc-form input:focus,
.calc-form select:focus {
    outline: 2px solid var(--accent-ring);
    outline-offset: 1px;
    border-color: var(--accent);
}

.calc-results {
    margin-top: calc(var(--space) * 2);
    padding: calc(var(--space) * 2);
    background: linear-gradient(145deg, #fdf4ff 0%, #fce7f3 55%, #fff7ed 100%);
    border-radius: var(--radius);
    border: 1px solid #f0abfc;
    font-variant-numeric: tabular-nums;
}

.calc-results strong {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    color: #a21caf;
}

.calc-results h2 {
    margin: 0 0 calc(var(--space) * 1);
    font-size: 1rem;
}

.calc-results p {
    margin: 0.35rem 0;
}

.how-it-works {
    margin-top: calc(var(--space) * 4);
    padding-top: calc(var(--space) * 3);
    border-top: 1px solid var(--border);
}

.how-it-works h2 {
    margin: 0 0 calc(var(--space) * 1);
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: #701a75;
}

.how-it-works p,
.how-it-works ul {
    margin: 0 0 calc(var(--space) * 1);
    color: var(--muted);
    font-size: 0.9375rem;
}

.disclaimer {
    margin-top: calc(var(--space) * 2);
    font-size: 0.8125rem;
    color: var(--muted);
}

.related-block {
    margin-top: calc(var(--space) * 4);
}

.related-block__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 calc(var(--space) * 1);
    color: #4c1d95;
}

.related-block__list {
    margin: 0;
    padding-left: 1.25rem;
}

.related-block__list a {
    color: var(--accent);
    font-weight: 600;
}

.related-block__list a:hover,
.related-block__list a:focus {
    color: var(--accent-hot);
}

/* Keypad calculators */
.keypad {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: calc(var(--space) * 1);
    max-width: 320px;
}

.keypad button {
    padding: calc(var(--space) * 2);
    font-size: 1.125rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
}

.keypad button:hover,
.keypad button:focus {
    background: var(--accent-soft);
    border-color: #e879f9;
}

.keypad__display {
    grid-column: 1 / -1;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    text-align: right;
    padding: calc(var(--space) * 1.5);
    background: linear-gradient(160deg, #1e0b3d 0%, #312e81 100%);
    color: #fce7f3;
    border-radius: 8px;
    min-height: 3rem;
    font-variant-numeric: tabular-nums;
    border: 1px solid #7c3aed;
}

.keypad--sci {
    max-width: 420px;
    grid-template-columns: repeat(5, 1fr);
}

.percent-modes {
    display: grid;
    gap: calc(var(--space) * 3);
}

.percent-mode h3 {
    margin: 0 0 calc(var(--space) * 1);
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: #701a75;
}

.site-footer {
    border-top: 1px solid var(--border);
    background: linear-gradient(180deg, #faf5ff 0%, #f3e8ff 100%);
    padding: calc(var(--space) * 3) calc(var(--space) * 2);
    margin-top: calc(var(--space) * 2);
}

.site-footer__inner {
    max-width: var(--max);
    margin: 0 auto;
}

.site-footer__disclaimer,
.site-footer__copy {
    margin: 0 0 calc(var(--space) * 1);
    font-size: 0.8125rem;
    color: var(--muted);
}

.site-footer__copy {
    margin: 0;
}