/* DEMO site styles for Northline Cabinet Co. (an invented business). Plan: sites/engines-demo/DESIGN.md.
   The engine's public answer pages (/answers) use these class names too: README.md, "Your site's files". */
:root {
  --bg: #f4f5f7; --ink: #1a1d21; --lacquer: #23395b; --lacquer-dark: #172741; --walnut: #6b4a2f;
  --band: #e7eaee; --paper: #ffffff; --muted: #4a515b; --rule: #cfd4db; --focus: #1a1d21; --halo: #9fb4d6;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --text: clamp(1.125rem, 1.06rem + 0.3vw, 1.25rem);
  --lead: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --h1: clamp(2.375rem, 1.6rem + 3.4vw, 4rem);
  --h2: clamp(1.875rem, 1.45rem + 1.8vw, 2.75rem);
  --gutter: clamp(1rem, 0.5rem + 3vw, 2.5rem);
  --max: 72rem; --tap: 3rem; --radius: 4px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: var(--text); line-height: 1.6; overflow-x: clip; }
img, svg { max-width: 100%; display: block; }
a { color: var(--lacquer); text-decoration-thickness: 2px; text-underline-offset: 0.18em; }
a:hover { color: var(--lacquer-dark); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; box-shadow: 0 0 0 6px var(--halo); border-radius: 2px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 700; line-height: 1.1; margin: 0 0 0.75rem; letter-spacing: -0.01em; }
h1 { font-size: var(--h1); }
h2 { font-size: var(--h2); }
h3 { font-size: 1.375rem; }
p { margin: 0 0 1rem; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.sr-only { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--paper); padding: 0.75rem 1rem; z-index: 10; }
.skip-link:focus { left: 1rem; top: 0.5rem; }
.lead { font-size: var(--lead); line-height: 1.45; color: var(--ink); max-width: 36rem; }
.muted { color: var(--muted); }

/* The Demo bar: on every page, first thing. */
.demo-bar { margin: 0; padding: 0.6rem var(--gutter); background: var(--ink); color: #fff; font-size: 1rem; line-height: 1.45; text-align: center; }

/* Header */
.site-header { border-bottom: 1px solid var(--rule); background: var(--bg); }
.header-bar { display: flex; align-items: center; gap: 1rem; min-height: 4.5rem; flex-wrap: wrap; padding-top: 0.5rem; padding-bottom: 0.5rem; }
.wordmark { font-family: var(--serif); font-weight: 700; font-size: 1.625rem; color: var(--ink); text-decoration: none; letter-spacing: -0.02em; display: inline-flex; align-items: center; min-height: var(--tap); }
.wordmark-footer { margin: 0 0 0.25rem; min-height: 0; }
.header-tagline { color: var(--muted); font-size: 1rem; display: none; }
.site-nav { display: flex; gap: 0.25rem 1rem; flex-wrap: wrap; margin-left: auto; }
.site-nav a { display: inline-flex; align-items: center; min-height: var(--tap); font-weight: 600; text-decoration: none; color: var(--ink); }
.site-nav a:hover, .site-nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--walnut); }
@media (max-width: 47.99rem) {
  .header-bar { gap: 0.25rem 0.75rem; }
  .site-nav { order: 3; width: 100%; margin-left: 0; gap: 0 1.25rem; border-top: 1px solid var(--rule); }
  .btn-call { padding: 0.55rem 0.9rem; }
}
@media (min-width: 60rem) { .header-tagline { display: inline; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; min-height: var(--tap); padding: 0.7rem 1.25rem; border-radius: var(--radius); font: inherit; font-weight: 700; text-decoration: none; border: 2px solid var(--lacquer); cursor: pointer; }
.btn-primary { background: var(--lacquer); color: #fff; box-shadow: 0 3px 0 var(--lacquer-dark); }
.btn-primary:hover { background: var(--lacquer-dark); color: #fff; }
.btn-primary:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--lacquer-dark); }
.btn-secondary { background: transparent; color: var(--lacquer); }
.btn-secondary:hover { background: var(--paper); }
.btn-lg { min-height: 3.5rem; padding: 0.85rem 1.5rem; }
.btn-call { margin-left: auto; }
.icon { width: 1.25rem; height: 1.25rem; flex: none; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.5rem 0 1rem; }

/* First screen */
.hero { padding: clamp(2.5rem, 1.5rem + 4vw, 5rem) 0 clamp(2.5rem, 1.5rem + 4vw, 4.5rem); }
.hero-grid { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 56rem) { .hero-grid { grid-template-columns: 1.1fr 1fr; } }
.hero-note { font-size: 1rem; color: var(--muted); }

/* The door strip (the one memorable element) */
.doors { margin: 0; }
.door-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: clamp(0.4rem, 0.2rem + 0.8vw, 0.9rem); list-style: none; margin: 0; padding: 0 0 0.75rem; border-bottom: 3px solid var(--walnut); perspective: 900px; }
.door { display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 0.5rem; }
.door-row { align-items: start; }
.door button { all: unset; cursor: default; display: block; width: 100%; border-radius: 2px; }
.door svg { width: 100%; height: auto; transform-origin: left center; transition: transform 380ms cubic-bezier(.2,.7,.2,1); }
.door button:hover svg, .door button:focus-visible svg { transform: rotateY(-24deg); }
.door button:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
.door-name { font-size: 0.875rem; line-height: 1.2; color: var(--muted); text-align: center; }
.doors figcaption { margin-top: 0.75rem; font-size: 1rem; color: var(--muted); }
@media (prefers-reduced-motion: reduce) { .door svg { transition: none; } .door button:hover svg, .door button:focus-visible svg { transform: none; } }

/* Bands and sections */
.band { padding: clamp(3rem, 2rem + 4vw, 5.5rem) 0; }
.band-alt { background: var(--band); }
.steps { list-style: none; counter-reset: step; margin: 1.5rem 0 0; padding: 0; display: grid; gap: 0; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding: 1.25rem 0; border-top: 1px solid var(--rule); }
.steps li:last-child { border-bottom: 1px solid var(--rule); }
.steps li::before { content: counter(step); font-family: var(--serif); font-weight: 700; font-size: 2rem; line-height: 1; color: var(--walnut); }
.steps h3 { margin-bottom: 0.25rem; }
.steps p { margin: 0; color: var(--muted); }
@media (min-width: 56rem) { .steps { grid-template-columns: repeat(3, 1fr); gap: 2rem; } .steps li, .steps li:last-child { grid-template-columns: 1fr; border-bottom: 0; } }
.two { display: grid; gap: 2rem; }
@media (min-width: 56rem) { .two { grid-template-columns: 1fr 1fr; align-items: start; } }
.ask-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--rule); }
.ask-list li { border-bottom: 1px solid var(--rule); }
.ask-list a { display: flex; align-items: center; min-height: 3.5rem; padding: 0.5rem 0; font-weight: 600; }

/* Contact form */
.form { background: var(--paper); border: 1px solid var(--rule); border-top: 4px solid var(--lacquer); border-radius: var(--radius); padding: clamp(1.25rem, 1rem + 1vw, 2rem); display: grid; gap: 0.5rem; }
.form label { font-weight: 700; margin-top: 0.5rem; }
.form input, .form textarea { font: inherit; width: 100%; padding: 0.75rem 0.85rem; min-height: var(--tap); border: 2px solid #8a929c; border-radius: var(--radius); background: #fff; color: var(--ink); }
.form textarea { min-height: 7rem; resize: vertical; }
.form .hp { position: absolute; left: -9999px; }
.form-status { margin: 0.5rem 0 0; font-weight: 600; }
.form-demo { font-size: 1rem; color: var(--muted); margin: 0.25rem 0 0; }

/* Footer */
.site-footer { border-top: 3px solid var(--walnut); padding: 2.5rem 0 3rem; background: var(--bg); }
.footer-grid { display: grid; gap: 1rem; }
@media (min-width: 48rem) { .footer-grid { grid-template-columns: 1fr 1fr auto; align-items: start; } }
.footer-tag, .footer-fine { color: var(--muted); margin: 0; }
.footer-contact p { margin: 0 0 0.25rem; }

/* Simple inner pages */
.page-head { padding: clamp(2.5rem, 1.5rem + 3vw, 4rem) 0 1.5rem; }
.prose { max-width: 40rem; }
.prose h2 { font-size: 1.75rem; margin-top: 2rem; }
.prose ul { padding-left: 1.25rem; }

/* Answer pages rendered by the engine (functions/_lib/answers.js) */
.answer .ans-hero { padding: clamp(2.5rem, 1.5rem + 3vw, 4rem) 0 1rem; }
.back-link { display: inline-flex; align-items: center; min-height: var(--tap); font-weight: 600; }
.ans-meta, .ans-row-meta { color: var(--muted); font-size: 1rem; }
.ans-body { padding: 1rem 0 3rem; }
.ans-sources { max-width: 40rem; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--rule); }
.ans-sources h2 { font-size: 1.25rem; }
.src-url { color: var(--muted); font-size: 0.9rem; overflow-wrap: anywhere; }
.ans-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--rule); }
.ans-row { padding: 1.25rem 0; border-bottom: 1px solid var(--rule); }
.ans-row-link { font-family: var(--serif); font-size: 1.5rem; font-weight: 700; }
.proj-cta { background: var(--band); padding: clamp(2.5rem, 2rem + 3vw, 4rem) 0; }
.proj-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1rem 0; }