/* margingauge.com */
:root {
  --ink: #0f172a; --muted: #475569; --line: #e2e8f0;
  --brand: #0ea5e9; --brand-ink: #075985; --bg: #f8fafc; --card: #ffffff;
  --good: #059669; --bad: #dc2626;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: ui-sans-serif, system-ui, "Segoe UI", Roboto, Arial, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.55; }
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 20px; }
h1, h2, h3, h4 { line-height: 1.2; }
a { color: var(--brand-ink); }
em { color: var(--brand); font-style: normal; }

.site-header { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { font-weight: 800; font-size: 1.25rem; text-decoration: none; color: var(--ink); }
.logo span { color: var(--brand); }
nav a { margin-left: 18px; text-decoration: none; color: var(--muted); font-weight: 600; font-size: .95rem; }
nav a:hover { color: var(--brand-ink); }

.hero { padding: 64px 0 40px; text-align: center; background: linear-gradient(180deg, #e0f2fe 0%, var(--bg) 100%); }
.hero h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); margin: 0 0 12px; letter-spacing: -.02em; }
.hero .sub { font-size: 1.15rem; color: var(--muted); max-width: 640px; margin: 0 auto 10px; }
.updated { color: var(--good); font-size: .95rem; margin: 0 0 22px; }
.btn { display: inline-block; background: var(--brand); color: #fff; border: none; padding: 13px 26px; border-radius: 10px; font-size: 1rem; font-weight: 700; text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--brand-ink); }
.btn.ghost { background: transparent; color: var(--brand-ink); border: 2px solid var(--brand); padding: 9px 18px; }
.btn.ghost:hover { background: #e0f2fe; }

.calc-section, .fees-section, .guides-section, .faq-section, .deals-section { padding: 48px 0; }
h2 { font-size: 1.7rem; margin: 0 0 6px; }
.sub { color: var(--muted); margin: 0 0 24px; max-width: 720px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 860px) { .calc-grid { grid-template-columns: 1fr; } }
label { display: block; font-weight: 600; font-size: .92rem; margin: 12px 0 0; }
label input, label select { width: 100%; margin-top: 5px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 1rem; background: #fff; }
label input:focus, label select:focus { outline: 2px solid var(--brand); border-color: transparent; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .row2 { grid-template-columns: 1fr; } }
.chk { display: flex; gap: 8px; align-items: center; margin: 14px 0 0; font-weight: 500; }
.chk input { width: auto; margin: 0; }

.results .big { font-size: 2.6rem; font-weight: 800; letter-spacing: -.02em; }
.results .big.neg { color: var(--bad); } .results .big.pos { color: var(--good); }
.biglabel { color: var(--muted); font-weight: 600; margin-bottom: 14px; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 18px; }
@media (max-width: 480px) { .metrics { grid-template-columns: repeat(2, 1fr); } }
.metrics div { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px; }
.metrics span { display: block; font-weight: 800; font-size: 1.05rem; }
.metrics small { color: var(--muted); }
.fees-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.fees-table td { padding: 7px 4px; border-bottom: 1px solid var(--line); }
.fees-table td:last-child { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.fees-table .total td { border-bottom: none; font-weight: 800; color: var(--bad); }
.note { color: var(--muted); font-size: .85rem; margin: 14px 0 0; }

.table-card { padding: 8px 18px; overflow-x: auto; }
#feeTable { width: 100%; border-collapse: collapse; font-size: .93rem; min-width: 560px; }
#feeTable th, #feeTable td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
#feeTable th { color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; }
#feeTable td:last-child { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }

.guide-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px) { .guide-cards { grid-template-columns: 1fr; } }
.guide { text-decoration: none; color: var(--ink); transition: box-shadow .15s, transform .15s; }
.guide:hover { box-shadow: 0 8px 24px rgba(2, 60, 100, .10); transform: translateY(-2px); }
.guide h3 { margin: 0 0 8px; }
.guide p { color: var(--muted); margin: 0 0 12px; }
.more { color: var(--brand-ink); font-weight: 700; }

details.card { margin-bottom: 12px; }
summary { font-weight: 700; cursor: pointer; }
details[open] summary { margin-bottom: 8px; }
.faq-section .card p { margin: 0; color: var(--muted); }

footer { background: var(--ink); color: #cbd5e1; margin-top: 40px; padding: 28px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { color: #7dd3fc; text-decoration: none; }
footer p { margin: 4px 0; font-size: .92rem; }

.guide-article { max-width: 780px; margin: 0 auto; padding: 40px 20px; }
.guide-article h1 { font-size: 2rem; letter-spacing: -.02em; }
.guide-article .meta { color: var(--good); font-weight: 600; font-size: .95rem; }
.guide-article h2 { font-size: 1.35rem; margin-top: 34px; }
.guide-article td, .guide-article th { border: 1px solid var(--line); padding: 8px 10px; font-size: .95rem; }
.guide-article table { border-collapse: collapse; width: 100%; margin: 14px 0; }
.callout { background: #e0f2fe; border-left: 4px solid var(--brand); padding: 14px 16px; border-radius: 8px; margin: 18px 0; }
.backlink { display: inline-block; margin-top: 34px; font-weight: 700; }

/* deals page */
.deals-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; margin-top: 18px; }
.deal-card h3 { margin: 0 0 8px; }
.deal-card p { color: var(--muted); font-size: .95rem; margin: 0 0 14px; }
.deal-btn { display: inline-block; }
.watch-card ul { margin: 0; padding-left: 20px; }
.watch-card li { margin-bottom: 8px; }
.muted-p { color: var(--muted); }
.legal-page { padding: 48px 0 64px; }
.legal-page h2 { margin-top: 28px; }
.legal-page h3 { margin-top: 20px; }
.legal-page ul { padding-left: 20px; }
.backlink-p { margin-top: 30px; }