/* Pewter Partner Program pages. Same private-bank letter as the main site:
   ivory sheet, navy ink, oxblood labels, brass hairlines, square corners. */
:root {
  --paper: #f5f1e8; --paper-raised: #fbf8f2; --paper-sunk: #ede7da; --ink: #1b2230; --ink-muted: #565b63;
  --rule: #d9d0bf; --rule-strong: #1b2230; --navy: #14284b; --navy-ink: #fbf8f2;
  --oxblood: #6b2c2f; --brass: #9c7f4e; --error: #8f1d1d; --ok: #2e5e3a;
  --display: "EB Garamond", Garamond, "Times New Roman", serif;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", "Helvetica Neue", Arial, sans-serif;
  --page: 1120px; --measure: 680px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #11151c; --paper-raised: #181d26; --paper-sunk: #0c1015; --ink: #ece6d9; --ink-muted: #a8a396;
    --rule: #2e3440; --rule-strong: #ece6d9; --navy: #d9c9a0; --navy-ink: #11151c;
    --oxblood: #c98f88; --brass: #b89a63; --error: #ff9b8f; --ok: #9fd3ab; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #11151c; --paper-raised: #181d26; --paper-sunk: #0c1015; --ink: #ece6d9; --ink-muted: #a8a396;
  --rule: #2e3440; --rule-strong: #ece6d9; --navy: #d9c9a0; --navy-ink: #11151c;
  --oxblood: #c98f88; --brass: #b89a63; --error: #ff9b8f; --ok: #9fd3ab; color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1.125rem/1.6 var(--serif); -webkit-font-smoothing: antialiased; }
a { color: var(--navy); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }
.wrap { max-width: var(--page); margin: 0 auto; padding-inline: 24px; }
@media (max-width: 600px) { .wrap { padding-inline: 16px; } }
h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.1; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.3rem, 5.2vw, 3.8rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.4rem; }
p { margin: 0; }
.label { font: 600 0.8125rem/1.3 var(--sans); letter-spacing: 0.12em; text-transform: uppercase; color: var(--oxblood); }
.muted { color: var(--ink-muted); }
.small { font: 400 0.9375rem/1.55 var(--sans); color: var(--ink-muted); }
.num { font-variant-numeric: tabular-nums lining-nums; }

.btn { display: inline-flex; align-items: center; justify-content: center; font: 600 1.0625rem/1.2 var(--sans); color: var(--navy-ink); background: var(--navy); border: 1px solid var(--navy); padding: 17px 26px; text-decoration: none; cursor: pointer; text-align: center; }
.btn:hover { opacity: .9; }
.btn.ghost { background: transparent; color: var(--navy); }
.btn.small { font-size: .9375rem; padding: 11px 18px; }
.btn.block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: progress; }

.masthead { border-bottom: 1px solid var(--rule); }
.masthead .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 16px; }
.wordmark { font: 500 1.2rem/1 var(--display); letter-spacing: .22em; text-transform: uppercase; color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 12px; }
.wordmark small { font: 600 .75rem/1 var(--sans); letter-spacing: .14em; color: var(--oxblood); }
.masthead nav { display: flex; align-items: center; gap: 24px; font: 500 .9375rem/1 var(--sans); }
.masthead nav a.nav { color: var(--ink); text-decoration: none; }
.masthead nav a.nav:hover { text-decoration: underline; }
@media (max-width: 760px) { .masthead nav a.nav { display: none; } .wordmark small { display: none; } }

section { padding-block: 88px; border-bottom: 1px solid var(--rule); }
@media (max-width: 720px) { section { padding-block: 56px; } }
.sec-head { display: grid; gap: 14px; max-width: 760px; margin-bottom: 40px; }

/* hero + calculator */
.hero { padding-block: 64px 76px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 60px; align-items: start; }
.hero-copy { display: grid; gap: 24px; padding-top: 8px; }
.hero .lede { font-size: 1.25rem; max-width: 33em; }
.actions { display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: center; }
.panel { background: var(--paper-raised); border: 1px solid var(--rule); border-top: 3px solid var(--navy); padding: 30px; display: grid; gap: 20px; }
.big { font: 400 clamp(2.4rem, 5vw, 3.4rem)/1 var(--display); font-variant-numeric: lining-nums; }
.calc-row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding-block: 12px; border-top: 1px solid var(--rule); font: 400 1rem/1.4 var(--sans); }
.calc-row b { font: 400 1.4rem/1 var(--display); }
input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 36px; background: transparent; margin: 0; cursor: pointer; }
input[type=range]::-webkit-slider-runnable-track { height: 2px; background: linear-gradient(to right, var(--navy) var(--fill, 20%), var(--rule) var(--fill, 20%)); }
input[type=range]::-moz-range-track { height: 2px; background: var(--rule); }
input[type=range]::-moz-range-progress { height: 2px; background: var(--navy); }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; margin-top: -9px; background: var(--paper-raised); border: 2px solid var(--navy); transform: rotate(45deg); }
input[type=range]::-moz-range-thumb { width: 16px; height: 16px; background: var(--paper-raised); border: 2px solid var(--navy); border-radius: 0; transform: rotate(45deg); }
.ends { display: flex; justify-content: space-between; font: 400 .8125rem/1 var(--sans); color: var(--ink-muted); }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 36px; } .hero { padding-block: 36px 56px; } }
@media (max-width: 480px) { .panel { padding: 22px 18px; } }

/* lists and grids */
.cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 56px; }
.item { padding-block: 22px; border-top: 1px solid var(--rule); display: grid; gap: 6px; }
.item h3 { font-size: 1.3rem; }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; } }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 2px solid var(--rule-strong); }
.step { padding: 22px 22px 0 0; display: grid; gap: 8px; align-content: start; }
.step + .step { padding-left: 22px; border-left: 1px solid var(--rule); }
.step .rn { font: 400 2rem/1 var(--display); color: var(--oxblood); }
.step p { font-size: 1.0625rem; color: var(--ink-muted); }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 26px; } .step:nth-child(3) { padding-left: 0; border-left: 0; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } .step, .step + .step { padding: 18px 0 0; border-left: 0; } }
.proof { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.proof > div { padding: 22px 24px 4px 0; display: grid; gap: 6px; }
.proof > div + div { padding-left: 24px; border-left: 1px solid var(--rule); }
.proof .big { font-size: 2.6rem; }
@media (max-width: 760px) { .proof { grid-template-columns: 1fr; } .proof > div, .proof > div + div { padding: 18px 0; border-left: 0; border-top: 1px solid var(--rule); } }

/* forms */
.form-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 60px; align-items: start; }
@media (max-width: 900px) { .form-grid { grid-template-columns: 1fr; gap: 32px; } }
form.card, .card { background: var(--paper-raised); border: 1px solid var(--rule); border-top: 3px solid var(--navy); padding: 32px; }
@media (max-width: 560px) { form.card, .card { padding: 22px 18px; } }
.fields { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px 20px; }
.full { grid-column: 1 / -1; }
@media (max-width: 560px) { .fields { grid-template-columns: 1fr; } }
label, legend { display: block; font: 600 .875rem/1.3 var(--sans); color: var(--ink); margin-bottom: 8px; }
.opt { font-weight: 400; color: var(--ink-muted); }
input[type=text], input[type=email], input[type=tel], select, textarea {
  width: 100%; font: 400 1rem/1.4 var(--sans); color: var(--ink); background: var(--paper); border: 1px solid var(--rule); border-radius: 0; padding: 13px 14px; -webkit-appearance: none; appearance: none;
}
select { background-image: linear-gradient(45deg, transparent 50%, var(--ink-muted) 50%), linear-gradient(135deg, var(--ink-muted) 50%, transparent 50%); background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 36px; }
input:focus, select:focus, textarea:focus { border-color: var(--navy); outline: none; }
textarea { min-height: 84px; resize: vertical; }
.check { display: flex; gap: 10px; align-items: flex-start; font: 400 .9375rem/1.45 var(--sans); color: var(--ink-muted); margin: 0; }
.check input { margin: 3px 0 0; width: 15px; height: 15px; flex: none; accent-color: var(--navy); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { margin-top: 22px; display: grid; gap: 12px; }
.form-error { color: var(--error); font: 600 .9375rem/1.4 var(--sans); }
.form-ok { color: var(--ok); font: 600 1rem/1.45 var(--sans); }

.codebox { display: flex; gap: 10px; align-items: stretch; }
.codebox input { flex: 1; min-width: 0; font: 500 1rem/1.4 ui-monospace, Consolas, monospace; }
.codebox button { flex: none; }

/* faq */
.faq { max-width: 860px; }
details { border-top: 1px solid var(--rule); }
details:last-of-type { border-bottom: 1px solid var(--rule); }
summary { list-style: none; cursor: pointer; padding-block: 20px; display: flex; justify-content: space-between; gap: 20px; font: 400 1.3rem/1.3 var(--display); }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-family: var(--sans); color: var(--brass); }
details[open] summary::after { content: "\2212"; }
details p { padding-bottom: 22px; max-width: var(--measure); color: var(--ink-muted); font-size: 1.0625rem; }

/* legal text */
.legal { max-width: 760px; }
.legal h2 { font-size: 1.5rem; margin: 34px 0 10px; }
.legal p, .legal li { font-size: 1.0625rem; color: var(--ink); }
.legal p + p { margin-top: 12px; }
.legal ol, .legal ul { padding-left: 22px; display: grid; gap: 8px; }

footer { background: var(--ink); color: var(--paper); padding-block: 56px 48px; }
footer .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 48px; }
footer p { font: 400 .875rem/1.65 var(--sans); opacity: .82; max-width: 74ch; }
footer p + p { margin-top: 10px; }
footer a { color: var(--paper); }
footer .wordmark { color: var(--paper); }
@media (max-width: 760px) { footer .wrap { grid-template-columns: 1fr; gap: 24px; } }