:root {
  --paper: #f5f4ef;
  --card: #ffffff;
  --ink: #12213a;
  --ink-2: #44506a;
  --line: #dcdcd2;
  --azul: #0b57d0;
  --azul-ink: #08398a;
  --azul-soft: #e3ecfd;
  --tag: #ffd84d;
  --tag-ink: #3d2f00;
  --input: #fffbea;
  --red: #b3261e;
  --red-soft: #fdecea;
  --ok: #0b6b3a;
  --shadow: 0 1px 2px rgba(18, 33, 58, .06), 0 4px 16px rgba(18, 33, 58, .06);
  --radius: 14px;
  --font: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --display: 'Bricolage Grotesque', 'IBM Plex Sans', system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1522; --card: #172033; --ink: #eef2fa; --ink-2: #a9b4c8; --line: #2b3850;
    --azul: #7aa7ff; --azul-ink: #b9d0ff; --azul-soft: #1b2c4f; --tag: #f2c94c; --tag-ink: #2b2100;
    --input: #1d2740; --red: #ff8a80; --red-soft: #3a1f22; --ok: #6fd39b; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f1522; --card: #172033; --ink: #eef2fa; --ink-2: #a9b4c8; --line: #2b3850;
  --azul: #7aa7ff; --azul-ink: #b9d0ff; --azul-soft: #1b2c4f; --tag: #f2c94c; --tag-ink: #2b2100;
  --input: #1d2740; --red: #ff8a80; --red-soft: #3a1f22; --ok: #6fd39b; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.55 var(--font); font-variant-numeric: tabular-nums; }
a { color: var(--azul); text-underline-offset: 2px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.15; letter-spacing: -.01em; }
h1 { font-size: clamp(1.6rem, 5.4vw, 2.6rem); margin: .2em 0 .35em; }
h2 { font-size: clamp(1.3rem, 3.6vw, 1.75rem); margin: 0 0 .5em; }
h3 { font-size: 1.12rem; margin: 1.6em 0 .4em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; background: var(--card); padding: 8px 12px; z-index: 10; }

/* Header */
.top { border-bottom: 1px solid var(--line); background: var(--paper); }
.top .wrap { display: flex; align-items: center; gap: 12px; min-height: 56px; }
.brand { display: flex; align-items: center; gap: 8px; font: 700 1.08rem var(--display); color: var(--ink); text-decoration: none; }
.brand svg { width: 28px; height: 28px; flex: none; }
.top nav { margin-left: auto; display: flex; gap: 14px; font-size: .92rem; }
.top nav a { color: var(--ink-2); text-decoration: none; }
.top nav a:hover { color: var(--azul); }
@media (max-width: 640px) { .top nav .opt { display: none; } }

/* Hero */
.hero { padding-top: 22px; padding-bottom: 6px; }
.kicker { display: inline-flex; gap: 8px; align-items: center; font-size: .82rem; font-weight: 600; color: var(--tag-ink); background: var(--tag); padding: 3px 10px; border-radius: 999px; }
.lead { font-size: 1.04rem; color: var(--ink-2); max-width: 720px; margin: 0 0 4px; }

/* Calculator layout */
.calc { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; padding-top: 14px; padding-bottom: 28px; }
@media (min-width: 960px) { .calc { grid-template-columns: minmax(0, 1fr) 440px; align-items: start; } .results { position: sticky; top: 12px; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
fieldset.card { margin: 0 0 12px; padding: 14px 14px 6px; min-width: 0; }
legend { font: 700 1rem var(--display); padding: 0 6px; margin-left: -6px; }
.legend-note { font-size: .82rem; color: var(--ink-2); margin: -2px 0 10px; }
.grid2 { display: grid; gap: 10px 12px; grid-template-columns: 1fr 1fr; }
.grid2 > .full { grid-column: 1 / -1; }
@media (max-width: 420px) { .grid2 { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; min-width: 0; }
.field > label, .field > .lab { font-size: .88rem; font-weight: 600; }
.hint { font-size: .78rem; color: var(--ink-2); line-height: 1.4; }
.box { display: flex; align-items: center; background: var(--input); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.box:focus-within { outline: 2px solid var(--azul); outline-offset: 1px; }
.box span { padding: 0 10px; color: var(--ink-2); font-size: .9rem; white-space: nowrap; }
.box input, .box select { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ink); font: 600 1.05rem var(--font); padding: 10px 10px; outline: none; }
.box span + input { padding-left: 0; }
select.plain { width: 100%; border: 1px solid var(--line); background: var(--input); color: var(--ink); border-radius: 10px; font: 500 .98rem var(--font); padding: 10px; }
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg label { flex: 1 1 auto; position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; }
.seg span { display: block; text-align: center; padding: 9px 10px; border: 1px solid var(--line); border-radius: 10px; font-weight: 600; font-size: .92rem; cursor: pointer; background: var(--card); }
.seg input:checked + span { background: var(--azul); border-color: var(--azul); color: #fff; }
.seg input:focus-visible + span { outline: 2px solid var(--azul); outline-offset: 2px; }
.check { display: flex; gap: 8px; align-items: flex-start; font-size: .9rem; margin: 2px 0 10px; }
.check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--azul); flex: none; }
.derived { font-size: .85rem; background: var(--azul-soft); color: var(--azul-ink); border-radius: 8px; padding: 6px 10px; margin: -2px 0 10px; }
.hidden { display: none !important; }
input[type=range] { width: 100%; accent-color: var(--azul); }

/* Results */
.results { padding: 16px; }
.results h2 { font-size: 1.15rem; margin-bottom: 2px; }
.res-sub { font-size: .85rem; color: var(--ink-2); margin: 0 0 12px; }
.prices { display: grid; gap: 8px; }
.price { display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: 2px 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; }
.price.best { border-color: var(--azul); background: var(--azul-soft); }
.price .mk { font-weight: 700; font-size: .95rem; }
.price .val { font: 700 1.5rem var(--display); }
.price .sub { grid-column: 1 / -1; font-size: .8rem; color: var(--ink-2); }
.price .tagbest { font-size: .7rem; font-weight: 700; color: var(--tag-ink); background: var(--tag); border-radius: 999px; padding: 1px 8px; margin-left: 6px; vertical-align: 2px; }
.neg { color: var(--red); }
.pos { color: var(--ok); }
.table-wrap { overflow-x: auto; margin: 14px -4px 0; }
table { border-collapse: collapse; width: 100%; font-size: .86rem; }
th, td { padding: 6px 6px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; white-space: normal; }
thead th { font-size: .78rem; color: var(--ink-2); font-weight: 600; }
tr.total td { font-weight: 700; border-top: 2px solid var(--ink); }
#cmp td small, #cmpNow td small { display: block; font-size: .72rem; color: var(--ink-2); }
#cmp th:first-child, #cmp td:first-child, #cmpNow th:first-child, #cmpNow td:first-child { min-width: 92px; }
@media (max-width: 480px) { #cmp, #cmpNow { font-size: .8rem; } #cmp th, #cmp td, #cmpNow th, #cmpNow td { padding: 6px 4px; } }
.prose table td:first-child, .prose table th:first-child { white-space: nowrap; }
.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font: 600 .92rem var(--font); cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--azul); }
.btn.primary { background: var(--azul); border-color: var(--azul); color: #fff; }
.btn.wa { background: #1f8f4d; border-color: #1f8f4d; color: #fff; }
.btn.full { grid-column: 1 / -1; }
.btn svg { width: 18px; height: 18px; flex: none; }
.toast { min-height: 1.3em; font-size: .85rem; color: var(--ok); margin-top: 6px; }
.taxline { font-size: .8rem; color: var(--ink-2); margin-top: 10px; }
.warn { font-size: .82rem; background: var(--red-soft); color: var(--red); padding: 6px 10px; border-radius: 8px; margin-top: 8px; }

/* Sticky mobile bar */
.minibar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 5; background: var(--ink); color: var(--paper); padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: .9rem; transform: translateY(110%); transition: transform .2s; }
.minibar.show { transform: none; }
.minibar b { font: 700 1.1rem var(--display); }
.minibar a { color: var(--tag); font-weight: 700; text-decoration: none; }
@media (min-width: 960px) { .minibar { display: none; } }

/* Content */
section.block { padding: 30px 0; border-top: 1px solid var(--line); }
.prose { max-width: 760px; }
.prose p, .prose li { color: var(--ink); }
.prose .meta { font-size: .85rem; color: var(--ink-2); }
.split { display: grid; gap: 18px; }
@media (min-width: 860px) { .split { grid-template-columns: 1.2fr 1fr; } }
.src { font-size: .8rem; color: var(--ink-2); }
.formula { font-family: 'IBM Plex Mono', ui-monospace, monospace; font-size: .88rem; background: var(--card); border: 1px dashed var(--line); padding: 10px 12px; border-radius: 10px; overflow-x: auto; white-space: nowrap; }
.limits { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.limits ul { margin: .3em 0 0; padding-left: 1.2em; }

/* Waitlist */
.wl { background: var(--ink); color: #eef2fa; border-radius: 18px; padding: 22px 18px; }
.wl h2 { color: #fff; }
.wl p { color: #c9d3e6; }
.wl .field > label, .wl .lab { color: #fff; }
.wl .box, .wl select.plain { background: #fff; color: #12213a; }
.wl .box input { color: #12213a; }
.wl .check { color: #dfe6f3; }
.wl .check a { color: var(--tag); }
.wl .btn.primary { background: var(--tag); border-color: var(--tag); color: var(--tag-ink); }
.wl .demo { background: #1e2c48; border-radius: 12px; padding: 12px; font-size: .9rem; color: #dfe6f3; }
.wl .demo .q { color: #9fb3d6; font-size: .8rem; margin-bottom: 4px; }
.wl .demo .a { background: #fff; color: #12213a; border-radius: 10px; padding: 10px; margin-top: 8px; }
.wl-msg { margin-top: 10px; font-weight: 600; min-height: 1.4em; }
.wl-msg.ok { color: #9be7b8; }
.wl-msg.err { color: #ffb4ab; }
.hp { position: absolute; left: -5000px; width: 1px; height: 1px; overflow: hidden; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 10px 0; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: .5em 0 0; color: var(--ink-2); }

footer { border-top: 1px solid var(--line); padding: 22px 0 90px; font-size: .86rem; color: var(--ink-2); }
footer p { margin: .3em 0; }
@media (min-width: 960px) { footer { padding-bottom: 28px; } }