/* Shared styles for the public content pages (calculator landing pages and guides).
   The sizing application itself (index.html) carries its own styles. */
:root { --ink:#0f1730; --ink2:#1a2744; --red:#A13029; --red2:#7f241f; --slate:#5b6b84; --mist:#f6f8fc; --line:#e3e9f3; --ok:#15803d; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin:0; font-family:'Outfit',system-ui,-apple-system,'Segoe UI',Arial,sans-serif; color:var(--ink2); background:#fff; line-height:1.65; font-size:16px; -webkit-font-smoothing:antialiased; }
a { color:var(--red); }
img { max-width:100%; }

/* header */
.top { position:sticky; top:0; z-index:20; background:rgba(255,255,255,0.96); backdrop-filter:blur(8px); border-bottom:1px solid var(--line); }
.top-in { max-width:1120px; margin:0 auto; padding:12px 24px; display:flex; align-items:center; gap:20px; }
.brand { display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--ink2); margin-right:auto; }
.brand img { height:38px; width:auto; }
.brand b { font-weight:800; letter-spacing:0.06em; font-size:15px; display:block; line-height:1.1; }
.brand span { font-size:10.5px; color:var(--slate); letter-spacing:0.08em; text-transform:uppercase; font-weight:600; }
.nav { display:flex; align-items:center; gap:4px; flex-wrap:wrap; }
.nav a { text-decoration:none; color:var(--ink2); font-weight:600; font-size:14px; padding:8px 12px; border-radius:8px; }
.nav a:hover, .nav a[aria-current="page"] { color:var(--red); background:rgba(161,48,41,0.06); }
.nav a.cta { background:var(--red); color:#fff; padding:9px 16px; }
.nav a.cta:hover { background:var(--red2); color:#fff; }
.menu-btn { display:none; background:none; border:1px solid var(--line); border-radius:8px; padding:8px 12px; font:inherit; font-weight:700; cursor:pointer; color:var(--ink2); }
@media (max-width:900px){
  .menu-btn { display:block; }
  .nav { display:none; position:absolute; left:0; right:0; top:100%; background:#fff; border-bottom:1px solid var(--line); padding:10px 16px 16px; flex-direction:column; align-items:stretch; }
  .nav.open { display:flex; }
  .nav a { padding:12px; }
}

/* hero */
.hero { background:linear-gradient(160deg,#1e1b4b 0%,#0f1730 100%); color:#fff; padding:56px 24px 60px; }
.hero-in { max-width:1120px; margin:0 auto; }
.crumbs { font-size:13px; color:rgba(255,255,255,0.6); margin-bottom:16px; }
.crumbs a { color:rgba(255,255,255,0.75); text-decoration:none; }
.crumbs a:hover { color:#fff; text-decoration:underline; }
.eyebrow { font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:0.1em; color:#fca5a5; font-weight:600; text-transform:uppercase; }
h1 { font-size:clamp(30px,4.6vw,46px); line-height:1.12; margin:10px 0 14px; font-weight:800; letter-spacing:-0.02em; max-width:880px; }
.lead { font-size:18px; color:rgba(255,255,255,0.82); max-width:760px; margin:0; }
.hero .btns { margin-top:26px; display:flex; gap:12px; flex-wrap:wrap; }
.btn { display:inline-block; text-decoration:none; font-weight:700; font-size:15px; padding:13px 22px; border-radius:10px; border:0; cursor:pointer; font-family:inherit; }
.btn-red { background:var(--red); color:#fff; }
.btn-red:hover { background:var(--red2); }
.btn-ghost { background:rgba(255,255,255,0.1); color:#fff; border:1px solid rgba(255,255,255,0.25); }
.btn-ghost:hover { background:rgba(255,255,255,0.18); }
.meta { margin-top:18px; font-size:13px; color:rgba(255,255,255,0.6); }

/* body */
.wrap { max-width:1120px; margin:0 auto; padding:48px 24px 24px; display:grid; grid-template-columns:minmax(0,1fr) 300px; gap:48px; }
.wrap.single { grid-template-columns:minmax(0,1fr); }
@media (max-width:960px){ .wrap { grid-template-columns:minmax(0,1fr); gap:28px; padding-top:32px; } }
article h2 { font-size:26px; line-height:1.25; margin:44px 0 12px; font-weight:800; letter-spacing:-0.01em; color:var(--ink); scroll-margin-top:84px; }
article h2:first-child { margin-top:0; }
article h3 { font-size:18px; margin:28px 0 8px; font-weight:700; color:var(--ink); }
article p, article li { color:#2c3a55; }
article ul, article ol { padding-left:22px; }
article li { margin-bottom:6px; }
.formula { font-family:'JetBrains Mono',ui-monospace,Consolas,monospace; background:var(--mist); border:1px solid var(--line); border-left:4px solid var(--red); border-radius:8px; padding:14px 18px; margin:16px 0; font-size:14.5px; overflow-x:auto; white-space:nowrap; color:var(--ink); }
.note { background:#fffbeb; border:1px solid #fde68a; border-radius:10px; padding:14px 18px; margin:20px 0; font-size:15px; }
.note b { color:#92400e; }
.tbl-wrap { overflow-x:auto; margin:18px 0; border:1px solid var(--line); border-radius:10px; }
table { border-collapse:collapse; width:100%; font-size:14.5px; }
th { background:var(--ink2); color:#fff; text-align:left; padding:10px 14px; font-weight:700; white-space:nowrap; }
td { padding:9px 14px; border-top:1px solid var(--line); vertical-align:top; }
tbody tr:nth-child(even) td { background:#fafbfe; }
td.num, th.num { text-align:right; font-variant-numeric:tabular-nums; }
.steps { counter-reset:s; list-style:none; padding:0; }
.steps > li { counter-increment:s; position:relative; padding-left:46px; margin-bottom:18px; }
.steps > li::before { content:counter(s); position:absolute; left:0; top:0; width:30px; height:30px; border-radius:50%; background:var(--ink2); color:#fff; font-weight:800; font-size:14px; display:flex; align-items:center; justify-content:center; }

/* quick estimate */
.quick { border:1px solid var(--line); border-radius:16px; padding:26px; margin:8px 0 36px; background:#fff; box-shadow:0 14px 40px rgba(15,34,80,0.08); }
.quick h2 { margin:0 0 4px !important; font-size:22px; }
.quick .sub { color:var(--slate); font-size:14px; margin:0 0 18px; }
.q-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(190px,1fr)); gap:14px; }
.q-field label { display:block; font-size:12.5px; font-weight:700; color:var(--slate); margin-bottom:5px; letter-spacing:0.02em; }
.q-field input, .q-field select { width:100%; padding:11px 12px; border:1px solid #cfd8e6; border-radius:9px; font:inherit; font-size:15px; color:var(--ink); background:#fff; }
.q-field input:focus, .q-field select:focus { outline:none; border-color:var(--red); box-shadow:0 0 0 3px rgba(161,48,41,0.14); }
.q-out { margin-top:20px; border-radius:12px; padding:18px 20px; background:var(--mist); border:1px solid var(--line); }
.q-out.err { background:#fef2f2; border-color:#fecaca; color:#991b1b; font-weight:600; }
.q-big { font-size:30px; font-weight:800; color:var(--ink); line-height:1.15; }
.q-big small { font-size:15px; font-weight:600; color:var(--slate); }
.q-row { display:flex; flex-wrap:wrap; gap:8px 26px; margin-top:10px; font-size:14.5px; color:#2c3a55; }
.q-row b { color:var(--ink); }
.q-assume { font-size:12.5px; color:var(--slate); margin-top:12px; line-height:1.55; }
.q-cta { margin-top:16px; display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.q-cta span { font-size:13.5px; color:var(--slate); }

/* cards, sidebar, cta */
.cards { display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:18px; margin:20px 0; }
.card { display:block; text-decoration:none; color:inherit; border:1px solid var(--line); border-radius:14px; padding:22px; background:#fff; transition:transform .15s, box-shadow .15s, border-color .15s; }
.card:hover { transform:translateY(-3px); box-shadow:0 16px 36px rgba(15,34,80,0.1); border-color:rgba(161,48,41,0.3); }
.card .k { font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:0.08em; color:var(--red); font-weight:600; text-transform:uppercase; }
.card h3 { margin:8px 0 6px; font-size:18px; color:var(--ink); }
.card p { margin:0; font-size:14.5px; color:var(--slate); }
aside .box { border:1px solid var(--line); border-radius:14px; padding:20px; margin-bottom:20px; background:#fff; }
aside .box.dark { background:var(--ink2); color:#fff; border-color:var(--ink2); }
aside .box.dark p { color:rgba(255,255,255,0.78); }
aside h4 { margin:0 0 10px; font-size:14px; letter-spacing:0.06em; text-transform:uppercase; color:var(--slate); }
aside .box.dark h4 { color:#fca5a5; }
aside p { font-size:14.5px; margin:0 0 14px; }
aside ul { list-style:none; padding:0; margin:0; }
aside li { margin-bottom:9px; font-size:14.5px; }
aside li a { text-decoration:none; font-weight:600; }
aside li a:hover { text-decoration:underline; }
@media (min-width:961px){ aside { position:sticky; top:84px; align-self:start; } }
.band { background:var(--mist); border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding:44px 24px; margin-top:40px; text-align:center; }
.band h2 { margin:0 0 8px; font-size:26px; color:var(--ink); }
.band p { margin:0 auto 20px; max-width:620px; color:var(--slate); }
details { border:1px solid var(--line); border-radius:10px; padding:14px 18px; margin-bottom:10px; background:#fff; }
summary { font-weight:700; cursor:pointer; color:var(--ink); }
details p { margin:10px 0 0; }

/* footer */
footer { background:var(--ink); color:rgba(255,255,255,0.65); padding:44px 24px 28px; font-size:14px; }
.foot-in { max-width:1120px; margin:0 auto; display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:32px; }
@media (max-width:800px){ .foot-in { grid-template-columns:1fr 1fr; } }
footer h5 { color:#fff; font-size:13px; letter-spacing:0.08em; text-transform:uppercase; margin:0 0 12px; }
footer a { color:rgba(255,255,255,0.7); text-decoration:none; display:block; margin-bottom:8px; }
footer a:hover { color:#fff; }
.foot-brand b { color:#fff; font-size:17px; letter-spacing:0.06em; }
.foot-bottom { max-width:1120px; margin:28px auto 0; padding-top:18px; border-top:1px solid rgba(255,255,255,0.12); font-size:12.5px; color:rgba(255,255,255,0.45); }