:root {
    --bg: #f3efe7;
    --panel: rgba(255, 252, 246, 0.88);
    --panel-strong: #fffaf2;
    --ink: #1f2a2e;
    --muted: #59676d;
    --accent: #d95d39;
    --accent-dark: #ac4324;
    --line: rgba(31, 42, 46, 0.12);
    --shadow: 0 20px 60px rgba(44, 38, 26, 0.12);
    --radius: 24px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Georgia, "Times New Roman", serif;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(217, 93, 57, 0.14), transparent 28%),
        radial-gradient(circle at top right, rgba(53, 89, 109, 0.14), transparent 22%),
        linear-gradient(180deg, #f8f4ee 0%, var(--bg) 60%, #efe7db 100%);
}

a {
    color: inherit;
}

.page-shell {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 48px;
}

.site-header,
.site-footer,
.hero-layout,
.calculator-layout,
.content-band,
.guides-grid,
.page-content {
    margin-bottom: 24px;
}

.site-header,
.site-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 18px 22px;
    background: rgba(255, 250, 242, 0.75);
    border: 1px solid var(--line);
    border-radius: 999px;
    backdrop-filter: blur(10px);
}

.brand {
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.04em;
}

.site-nav,
.site-footer nav {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.site-nav a,
.site-footer a {
    text-decoration: none;
    color: var(--muted);
}

.seo-links,
.breadcrumb,
.toc {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.seo-links {
    margin-top: 24px;
}

.seo-links a,
.breadcrumb a,
.toc a {
    text-decoration: none;
    color: var(--accent-dark);
}

.breadcrumb {
    margin-bottom: 12px;
    padding: 0 8px;
    color: var(--muted);
    font-size: 0.95rem;
}

.toc {
    margin: 18px 0 24px;
}

.hero-layout,
.calculator-layout,
.content-band,
.intent-grid {
    display: grid;
    gap: 24px;
}

.hero-layout {
    grid-template-columns: 1.7fr 1fr;
}

.calculator-layout {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
}

.content-band {
    grid-template-columns: 1.4fr 0.8fr;
}

.intent-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: 24px;
}

.hero-card,
.panel,
.content-panel,
.guide-card,
.faq-card,
.legal-card,
.ad-slot,
.intent-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-card {
    padding: 42px;
}

.hero-card h2,
.legal-card h1 {
    margin: 0 0 12px;
    font-size: clamp(2.4rem, 6vw, 4.7rem);
    line-height: 0.94;
    letter-spacing: -0.04em;
}

.eyebrow {
    margin-bottom: 18px;
    color: var(--accent-dark);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.lede,
.section-copy,
.legal-card p,
.guide-card p,
.content-panel p,
.faq-card p {
    color: var(--muted);
    line-height: 1.65;
}

.update-note {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.hero-metrics,
.result-grid,
.guides-grid {
    display: grid;
    gap: 16px;
}

.hero-metrics {
    margin-top: 28px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hero-metrics div,
.result-card {
    padding: 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.62);
    border: 1px solid rgba(31, 42, 46, 0.08);
}

.hero-metrics span,
.result-card span,
.result-hero span,
.breakdown-table span {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 0.92rem;
}

.hero-metrics strong,
.result-card strong,
.result-hero strong,
.breakdown-table strong {
    font-size: 1.15rem;
}

.panel {
    padding: 28px;
}

.panel--form {
    display: grid;
    gap: 18px;
}

.panel--results {
    position: sticky;
    top: 24px;
}

.calculator-form {
    display: grid;
    gap: 16px;
}

.live-note {
    margin: -4px 0 0;
    color: var(--muted);
    line-height: 1.5;
}

.calculator-form label,
.checkbox {
    display: grid;
    gap: 8px;
}

.calculator-form span,
.checkbox span {
    font-weight: 700;
}

input,
select,
button {
    width: 100%;
    font: inherit;
}

input,
select {
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid rgba(31, 42, 46, 0.14);
    background: rgba(255, 255, 255, 0.84);
    color: var(--ink);
}

input:focus,
select:focus,
button:focus,
summary:focus {
    outline: 3px solid rgba(217, 93, 57, 0.28);
    outline-offset: 2px;
}

.checkbox {
    grid-template-columns: auto 1fr;
    align-items: center;
}

.checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

.checkbox input[type="hidden"] {
    display: none;
}

button {
    padding: 16px 20px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent) 0%, #f08f63 100%);
    color: #fff8f3;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 16px 30px rgba(217, 93, 57, 0.28);
}

.alert,
.empty-state,
.assumptions,
.breakdown-table,
.result-hero,
.content-panel,
.faq-card,
.legal-card {
    padding: 22px;
    border-radius: 20px;
    background: var(--panel-strong);
    border: 1px solid rgba(31, 42, 46, 0.08);
}

.alert {
    background: #fff4ee;
}

.alert h3,
.assumptions h3,
.faq-card h2,
.content-panel h2,
.panel h1,
.panel h2,
.results-header h2 {
    margin-top: 0;
}

.result-hero {
    display: grid;
    gap: 14px;
    margin-bottom: 16px;
    background:
        linear-gradient(135deg, rgba(217, 93, 57, 0.1), rgba(53, 89, 109, 0.1)),
        var(--panel-strong);
}

.result-hero strong {
    font-size: 2rem;
    line-height: 1;
}

.result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 16px;
}

.breakdown-table {
    display: grid;
    gap: 12px;
    margin-bottom: 16px;
}

.breakdown-table div {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid rgba(31, 42, 46, 0.08);
    padding-bottom: 12px;
}

.breakdown-table div:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.ad-slot {
    display: grid;
    align-content: start;
    gap: 12px;
    padding: 18px;
}

.ad-slot__label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
}

.ad-slot__box {
    display: grid;
    place-items: center;
    min-height: 180px;
    border-radius: 18px;
    border: 1px dashed rgba(31, 42, 46, 0.25);
    background: repeating-linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.8),
        rgba(255, 255, 255, 0.8) 12px,
        rgba(248, 240, 230, 0.8) 12px,
        rgba(248, 240, 230, 0.8) 24px
    );
    color: var(--muted);
}

.ad-slot__box--leaderboard {
    min-height: 250px;
}

.ad-slot__box--compact {
    min-height: 100px;
}

.ad-slot__box--inline {
    min-height: 120px;
}

.ad-slot--form-compact,
.ad-slot--results-inline {
    background: linear-gradient(180deg, rgba(255, 250, 242, 0.96), rgba(248, 240, 230, 0.9));
}

.ad-slot--form-compact {
    padding: 16px;
}

.ad-slot--results-inline {
    margin-bottom: 16px;
    padding: 16px;
    border-style: dashed;
}

.guides-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.guide-card,
.legal-card {
    padding: 24px;
}

.intent-card {
    padding: 24px;
}

.intent-card h2 {
    margin-top: 0;
    font-size: 1.4rem;
}

.intent-card p {
    color: var(--muted);
    line-height: 1.65;
}

.faq-band {
    margin-bottom: 24px;
}

details {
    padding: 16px 0;
    border-top: 1px solid rgba(31, 42, 46, 0.08);
}

details:first-of-type {
    border-top: 0;
}

summary {
    cursor: pointer;
    font-weight: 700;
}

.page-content {
    display: grid;
}

.guide-row + .guide-row {
    margin-top: 18px;
}

.guide-formula {
    margin: 14px 0 10px;
}

.guide-formula code {
    display: block;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(31, 42, 46, 0.06);
    border: 1px solid rgba(31, 42, 46, 0.08);
    font-size: 0.95rem;
    white-space: normal;
}

.guide-steps {
    margin: 0;
    padding-left: 20px;
    color: var(--muted);
    line-height: 1.65;
}

.mobile-results-bar {
    position: sticky;
    top: 12px;
    z-index: 20;
    display: none;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid rgba(31, 42, 46, 0.1);
    border-radius: 20px;
    background:
        linear-gradient(135deg, rgba(217, 93, 57, 0.14), rgba(53, 89, 109, 0.12)),
        rgba(255, 250, 242, 0.96);
    color: var(--ink);
    text-align: left;
    box-shadow: 0 20px 40px rgba(31, 42, 46, 0.18);
    cursor: pointer;
    width: 100%;
}

.mobile-results-bar[hidden] {
    display: none !important;
}

.mobile-results-bar__prompt {
    display: block;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent-dark);
}

.mobile-results-bar__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.mobile-results-bar__grid span {
    display: grid;
    gap: 4px;
}

.mobile-results-bar__grid strong {
    font-size: 1rem;
    line-height: 1.1;
}

.mobile-results-bar__grid small {
    color: var(--muted);
    font-size: 0.78rem;
}

.mobile-results-bar__link {
    color: var(--accent-dark);
    font-size: 0.88rem;
    text-decoration: underline;
    text-underline-offset: 0.18em;
}

@media (max-width: 980px) {
    .hero-layout,
    .calculator-layout,
    .content-band,
    .guides-grid,
    .intent-grid,
    .hero-metrics,
    .result-grid {
        grid-template-columns: 1fr;
    }

    .panel--results {
        position: static;
    }

    .ad-slot--hero .ad-slot__box {
        min-height: 160px;
    }

    .site-header,
    .site-footer {
        border-radius: 24px;
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .page-shell {
        width: min(100% - 20px, 1200px);
    }

    .hero-card,
    .panel,
    .guide-card,
    .legal-card {
        padding: 20px;
    }

    .hero-card h2,
    .legal-card h1 {
        font-size: 2.3rem;
    }

    .mobile-results-bar {
        display: grid;
        margin-top: -2px;
    }

    .ad-slot--form-compact,
    .ad-slot--results-inline {
        padding: 14px;
    }

    .ad-slot__box--compact,
    .ad-slot__box--inline {
        min-height: 90px;
    }
}