/* Layout concept: a designer's drafting sheet — cool paper, ink lines, dimension labels in mono, one bluebonnet accent. */
:root {
  --paper: #f5f6f3;
  --paper-2: #e9ece7;
  --ink: #17242c;
  --ink-soft: #4a5a62;
  --line: #c9d0cc;
  --accent: #34489a;      /* bluebonnet */
  --accent-ink: #ffffff;
  --brass: #9a6b22;
  --card: #ffffff;
  --display: "Bodoni Moda", "Didot", "Bodoni 72", Georgia, serif;
  --body: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --measure: 66ch;
  --wide: 1180px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #11191e; --paper-2: #18232a; --ink: #e8ece8; --ink-soft: #a6b3b8;
    --line: #2d3b43; --accent: #8fa2ee; --accent-ink: #0f1630; --brass: #d6a85c; --card: #172127;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #11191e; --paper-2: #18232a; --ink: #e8ece8; --ink-soft: #a6b3b8;
  --line: #2d3b43; --accent: #8fa2ee; --accent-ink: #0f1630; --brass: #d6a85c; --card: #172127;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 1.0625rem/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3 { font-family: var(--display); font-weight: 500; line-height: 1.12; text-wrap: balance; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.4rem, 5.5vw, 4.4rem); }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.35rem; }
p { margin: 0; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 50; }
.skip:focus { left: 16px; }

.wrap {
  max-width: var(--wide); margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
.label {
  font: 500 0.75rem/1.2 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--brass);
}
.dim { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-soft); letter-spacing: 0.04em; }

/* Header */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--paper); }
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 14px; }
.brand { display: flex; flex-direction: column; text-decoration: none; color: var(--ink); line-height: 1.1; }
.brand b { font: 500 1.35rem/1 var(--display); letter-spacing: 0; }
.brand span { font: 500 0.66rem/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); margin-top: 5px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { color: var(--ink); text-decoration: none; padding: 8px 11px; font-size: 0.95rem; border-radius: 4px; }
.nav a:hover, .nav a[aria-current="page"] { background: var(--paper-2); }
.nav .cta { background: var(--accent); color: var(--accent-ink); margin-left: 6px; }
.nav .cta:hover { background: var(--accent); filter: brightness(1.08); }
.menu-btn { display: none; background: none; border: 1px solid var(--line); color: var(--ink); font: 500 0.8rem var(--mono); letter-spacing: 0.1em; padding: 9px 12px; border-radius: 4px; cursor: pointer; }
@media (max-width: 920px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px max(20px, env(safe-area-inset-left, 0px)) 16px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 8px; }
  .nav .cta { margin: 8px 0 0; text-align: center; }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 20px; border-radius: 4px; font: 600 0.98rem var(--body); text-decoration: none; border: 1px solid var(--accent); cursor: pointer; }
.btn-solid { background: var(--accent); color: var(--accent-ink); }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* Hero */
.hero { border-bottom: 1px solid var(--line); }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; padding-block: 64px 56px; }
.hero-copy { display: grid; gap: 22px; min-width: 0; }
.hero-copy p.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 52ch; }
.hero h1 em { font-style: italic; color: var(--accent); }
.plan { width: 100%; max-width: 460px; justify-self: end; color: var(--ink); }
.plan svg { width: 100%; height: auto; overflow: visible; }
.plan .wall { fill: none; stroke: currentColor; stroke-width: 5; stroke-linecap: square; }
.plan .thin { fill: none; stroke: var(--ink-soft); stroke-width: 1; }
.plan .door { fill: none; stroke: var(--ink-soft); stroke-width: 1; stroke-dasharray: 3 3; }
.plan .room { font: 500 10px var(--mono); letter-spacing: 0.1em; fill: var(--ink-soft); }
.plan .size { font: 400 9px var(--mono); fill: var(--brass); }
.plan .hl { fill: var(--accent); opacity: 0.1; }
@media (prefers-reduced-motion: no-preference) {
  .plan .wall { stroke-dasharray: 1400; stroke-dashoffset: 0; animation: draw 2.2s ease-out both; }
  @keyframes draw { from { stroke-dashoffset: 1400; } to { stroke-dashoffset: 0; } }
}
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; padding-block: 40px; }
  .plan { justify-self: start; max-width: 360px; }
}

/* Portrait */
.portrait { margin: 0; justify-self: end; display: grid; justify-items: center; gap: 16px; width: 100%; max-width: 400px; }
.portrait .ring { width: 100%; aspect-ratio: 1; max-width: 100%; border-radius: 50%; padding: 10px; border: 1px solid var(--brass); background: var(--paper); box-shadow: 0 0 0 10px var(--paper), 0 0 0 11px var(--line); }
.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; border-radius: 50%; }
.portrait figcaption { display: grid; justify-items: center; gap: 4px; text-align: center; }
@media (max-width: 860px) { .portrait { justify-self: center; max-width: 300px; } }

/* Quick search */
.quick { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 18px; display: grid; grid-template-columns: 1.4fr 1fr 1fr auto; gap: 12px; align-items: end; }
.quick label, .field label { display: block; font: 500 0.72rem var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 6px; }
.quick select, .quick input, .field input, .field select, .field textarea {
  width: 100%; font: 400 1rem var(--body); color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 11px 12px;
}
@media (max-width: 760px) { .quick { grid-template-columns: 1fr 1fr; } .quick .btn { grid-column: 1 / -1; justify-content: center; } }

/* Sections */
section.band { padding-block: 72px; }
section.band.alt { background: var(--paper-2); }
.section-head { display: grid; gap: 12px; max-width: 760px; margin-bottom: 36px; }
.section-head p { color: var(--ink-soft); font-size: 1.1rem; }

.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.pillar { display: grid; gap: 10px; align-content: start; padding-top: 18px; border-top: 2px solid var(--ink); }
.pillar p { color: var(--ink-soft); }

.area-card { display: grid; gap: 8px; text-decoration: none; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 22px; transition: border-color .15s; }
.area-card:hover { border-color: var(--accent); }
.area-card h3 { font-size: 1.5rem; }
.area-card p { color: var(--ink-soft); font-size: 0.98rem; }
.area-card .go { color: var(--accent); font-weight: 600; font-size: 0.95rem; }

.post-card { display: grid; gap: 10px; align-content: start; text-decoration: none; color: var(--ink); padding-block: 20px; border-top: 1px solid var(--line); }
.post-card h3 { font-size: 1.3rem; }
.post-card:hover h3 { color: var(--accent); }
.post-card p { color: var(--ink-soft); font-size: 0.98rem; }

.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
.split > * { min-width: 0; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 32px; } }

.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; counter-reset: s; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding-block: 18px; border-top: 1px solid var(--line); }
.steps li::before { content: counter(s, decimal-leading-zero); font: 500 0.85rem var(--mono); color: var(--brass); padding-top: 4px; }
.steps h3 { font-size: 1.2rem; margin-bottom: 4px; }
.steps p { color: var(--ink-soft); }

.cta-band { background: var(--ink); color: var(--paper); }
.cta-band .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; padding-block: 56px; }
.cta-band h2 { color: var(--paper); max-width: 22ch; }
.cta-band p { color: color-mix(in srgb, var(--paper) 75%, transparent); margin-top: 10px; }
.cta-band .btn-solid { background: var(--paper); color: var(--ink); border-color: var(--paper); }

/* Page header */
.page-head { border-bottom: 1px solid var(--line); }
.page-head .wrap { padding-block: 48px 40px; display: grid; gap: 16px; }
.page-head p.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 60ch; }
.crumbs { font: 400 0.8rem var(--mono); color: var(--ink-soft); display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs a { color: var(--ink-soft); }

/* Article / prose */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 56px; padding-block: 48px 72px; }
@media (max-width: 960px) { .layout { grid-template-columns: 1fr; } }
.prose { max-width: var(--measure); min-width: 0; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { font-size: 1.85rem; margin-top: 1.8em; }
.prose h3 { font-size: 1.3rem; margin-top: 1.5em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: 0.4em; }
.prose blockquote { margin: 1.5em 0; padding: 4px 0 4px 20px; border-left: 2px solid var(--brass); color: var(--ink-soft); font-style: italic; }
.prose .note { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 18px 20px; font-size: 0.98rem; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.prose .table-scroll { overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { font: 500 0.75rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); }
.meta-line { font: 400 0.82rem var(--mono); color: var(--ink-soft); }

aside.side { display: grid; gap: 20px; align-content: start; }
.side-box { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 22px; display: grid; gap: 12px; }
.side-box h3 { font-size: 1.2rem; }
.side-box p { color: var(--ink-soft); font-size: 0.95rem; }
.side-box ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.side-box li a { text-decoration: none; }
@media (min-width: 961px) { aside.side { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 90px); } }

.faq details { border-top: 1px solid var(--line); padding-block: 16px; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; }
.faq details p { margin-top: 10px; color: var(--ink-soft); }

/* IDX */
.idx-shell { background: var(--card); border: 1px dashed var(--line); border-radius: 6px; min-height: 420px; padding: 28px; display: grid; gap: 16px; align-content: center; justify-items: start; }
.idx-shell p { color: var(--ink-soft); max-width: 60ch; }

/* Forms */
.form { display: grid; gap: 16px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form .row { grid-template-columns: 1fr; } }
.form textarea { min-height: 130px; resize: vertical; }
.form .ok { color: var(--accent); font-weight: 600; }
.hidden-field { position: absolute; left: -9999px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: var(--paper-2); font-size: 0.95rem; }
.site-footer .wrap { padding-block: 48px 32px; display: grid; gap: 32px; }
.foot-cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; }
.foot-cols h4 { font: 500 0.72rem var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); margin: 0 0 10px; }
.foot-cols ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.foot-cols a { color: var(--ink); text-decoration: none; }
.foot-cols a:hover { color: var(--accent); }
@media (max-width: 820px) { .foot-cols { grid-template-columns: 1fr 1fr; } }
.legal { border-top: 1px solid var(--line); padding-top: 22px; display: grid; gap: 12px; color: var(--ink-soft); font-size: 0.875rem; }
.trec { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.trec a { font-size: 0.95rem; font-weight: 700; color: var(--ink); }