/* ===== Design tokens ===== */
:root {
  color-scheme: light;
  --paper: #f7f6f2;
  --surface: #fff;
  --surface-alt: #efede6;
  --ink: #252723;
  --muted: #55574f;
  --line: #e0ddd4;
  --line-strong: #cfcbc0;
  --wood: #8a5a3a;
  --wood-dark: #744a2e;
  --wood-light: #e9dfd2;
  --wood-on-dark: #dcb08c;
  --dark: #282a26;
  --danger: #b3261e;

  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 8px 28px rgba(24, 25, 21, .08);

  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --text-sm: 14px;
  --text: 16px;
  --text-lg: 18px;

  --container: 1200px;
  --gutter: 32px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --section: clamp(56px, 7vw, 96px);
  --header-h: 72px;
}

/* ===== Base ===== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { display: block; width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
h1, h2, h3, p, ul, ol, figure { margin-top: 0; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; font-weight: 700; }
h1 { margin-bottom: var(--space-2); font-size: clamp(32px, 3.6vw, 48px); }
h2 { margin-bottom: 0; font-size: clamp(28px, 3vw, 40px); }
h3 { margin-bottom: var(--space-1); font-size: 20px; }
h1 span, h2 span { color: var(--wood); }
:focus-visible { outline: 3px solid var(--wood); outline-offset: 3px; }

.container { width: min(var(--container), calc(100% - 2 * var(--gutter))); margin-inline: auto; }
.section-pad { padding-block: var(--section); }
.skip-link { position: fixed; z-index: 30; top: 12px; left: 12px; padding: 12px 16px; transform: translateY(-160%); border-radius: var(--radius); background: var(--dark); color: #fff; font-size: var(--text-sm); }
.skip-link:focus { transform: translateY(0); }

/* ===== Buttons and links ===== */
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 0 24px; border: 0; border-radius: var(--radius); font-size: var(--text); font-weight: 700; line-height: 1.2; cursor: pointer; transition: background .2s, transform .2s; }
.button:hover { transform: translateY(-1px); }
.button-small { min-height: 44px; padding-inline: 18px; font-size: var(--text-sm); }
.button-dark { background: var(--dark); color: #fff; }
.button-dark:hover { background: #3c3e38; }
.button-accent { background: var(--wood); color: #fff; }
.button-accent:hover { background: var(--wood-dark); }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: var(--text-sm); font-weight: 600; }
.card-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--wood); font-weight: 700; }
.card-link:hover { color: var(--wood-dark); }
.card-link:hover span:last-child { transform: translateX(3px); }
.card-link span:last-child { transition: transform .2s; }

/* ===== Header ===== */
.site-header { position: sticky; z-index: 10; top: 0; background: rgba(247, 246, 242, .96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.header-inner { min-height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.brand { display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.brand-icon { width: 36px; height: 36px; object-fit: contain; }
.brand-wordmark { width: 150px; height: auto; }
.main-nav, .header-actions { display: flex; align-items: center; }
.main-nav { gap: var(--space-4); }
.main-nav a { padding: 8px 0; color: var(--muted); font-size: var(--text); font-weight: 500; white-space: nowrap; transition: color .2s; }
.main-nav a:hover { color: var(--wood); }
.header-actions { gap: var(--space-2); }
.language-toggle { min-width: 44px; min-height: 44px; border: 0; background: transparent; color: var(--muted); font-size: var(--text-sm); font-weight: 700; cursor: pointer; }
.language-toggle:hover { color: var(--wood); }
.menu-toggle { display: none; }

/* ===== Section headings ===== */
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 var(--space-2); color: var(--wood); font-size: var(--text-sm); font-weight: 700; letter-spacing: .08em; }
.eyebrow-line { width: 24px; height: 2px; background: currentColor; }
.eyebrow-light { color: var(--wood-on-dark); }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-5); margin-bottom: var(--space-5); }
.section-heading .eyebrow { margin-bottom: 12px; }
.section-intro { max-width: 440px; margin: 0; color: var(--muted); font-size: var(--text-lg); }

/* ===== Hero ===== */
.hero { padding-block: clamp(32px, 5vw, 64px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero-text { max-width: 520px; margin-bottom: var(--space-3); color: var(--muted); font-size: var(--text-lg); }
.hero-quote { max-width: 520px; padding: var(--space-3); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow); }
.hero-quote h2 { margin-bottom: var(--space-2); font-size: 22px; }
.hero-form-error { margin: 0 0 var(--space-2); color: var(--danger); font-size: var(--text-sm); font-weight: 600; }
.hero-form-note { margin: 12px 0 0; color: var(--muted); font-size: var(--text-sm); text-align: center; }
.hero-proof { display: flex; align-items: center; gap: 10px; margin-top: var(--space-3); color: var(--muted); font-size: var(--text-sm); }
.hero-proof a { text-decoration: underline; text-underline-offset: 3px; }
.proof-icon { width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; background: var(--wood-light); color: var(--wood); font-size: 13px; }
.hero-about { display: flex; flex-direction: column; align-items: flex-start; align-self: center; padding: clamp(24px, 4vw, 40px); border-radius: var(--radius-lg); background: var(--surface-alt); }
.hero-about h2 { margin: 0 0 var(--space-2); font-size: clamp(24px, 3vw, 32px); }
.hero-about > p:not(.eyebrow) { color: var(--muted); }
.check-list { display: grid; gap: 10px; margin: var(--space-3) 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; font-weight: 600; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--wood); font-weight: 800; }

/* ===== Gallery page ===== */
.gallery-page-main { padding-block: var(--space-5); }
.gallery-page-main h1 { margin-bottom: var(--space-2); }
.gallery-page-main .section-intro { margin-bottom: var(--space-4); }
.gallery-cta { margin-top: var(--space-4); text-align: center; }

/* ===== Form controls (hero and quote form share one look) ===== */
.hero-quote label, .quote-form label { display: block; margin-bottom: var(--space-2); color: var(--ink); font-size: var(--text-sm); font-weight: 700; }
.hero-quote select, .hero-quote input,
.quote-form input:not([type="file"]), .quote-form select, .quote-form textarea { width: 100%; min-height: 52px; margin-top: 6px; padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: #fff; color: var(--ink); font-size: var(--text); font-weight: 400; transition: border-color .2s; }
.hero-quote select, .quote-form select { padding-block: 0; }
.quote-form textarea { min-height: 104px; resize: vertical; }
.hero-quote input::placeholder, .quote-form input::placeholder, .quote-form textarea::placeholder { color: #84857c; }
.hero-quote select:focus, .hero-quote input:focus, .quote-form input:focus, .quote-form select:focus, .quote-form textarea:focus { border-color: var(--wood); outline: 3px solid rgba(138, 90, 58, .35); outline-offset: 0; }
.hero-quote [aria-invalid="true"] { border-color: var(--danger); }
.hero-quote .button, .form-submit { width: 100%; }

/* ===== Services ===== */
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
.service-card { display: flex; flex-direction: column; padding: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); transition: box-shadow .2s; }
.service-card:hover { box-shadow: var(--shadow); }
.service-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: var(--space-3); border-radius: var(--radius); background: var(--wood-light); color: var(--wood); font-size: 22px; line-height: 1; }
.service-card p { margin-bottom: var(--space-2); color: var(--muted); }
.service-list { margin: 0 0 var(--space-3); padding: 0; list-style: none; }
.service-list li { position: relative; padding: 9px 0 9px 20px; border-top: 1px solid var(--line); }
.service-list li::before { position: absolute; top: 20px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--wood); content: ""; }
.service-card .card-link { margin-top: auto; }

/* ===== Alternating section backgrounds ===== */
.reviews, .projects, .faq { background: var(--surface-alt); }
.stairs-section { background: var(--paper); }

/* ===== Reviews ===== */
.reviews-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-5); align-items: center; }
.review-card { padding: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.rating { display: flex; align-items: baseline; gap: 8px; margin-bottom: var(--space-1); }
.rating strong { font-size: 48px; line-height: 1; letter-spacing: -.02em; }
.rating span { color: var(--muted); font-size: var(--text-lg); }
.review-count { margin-bottom: 4px; }
.review-checked, .review-note { color: var(--muted); font-size: var(--text-sm); }
.review-checked { margin-bottom: var(--space-3); }
.review-note { margin: var(--space-2) 0 0; }

/* ===== Galleries ===== */
.gallery-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-2); }
.gallery-grid figure { margin: 0; overflow: hidden; border-radius: var(--radius); background: var(--surface-alt); aspect-ratio: 4 / 5; }
.gallery-grid img { height: 100%; object-fit: cover; }
.stairs-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.stairs-grid figure { grid-column: span 2; }
.stairs-grid figure:nth-child(-n+2) { grid-column: span 3; aspect-ratio: 4 / 3; }
.stairs-cta { margin: var(--space-4) 0 0; text-align: center; }

/* ===== Process ===== */
.process-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: var(--space-5); align-items: start; }
.process-intro .eyebrow { margin-bottom: 12px; }
.process-intro h2 { margin-bottom: var(--space-3); }
.process-steps { display: grid; gap: var(--space-2); margin: 0; padding: 0; list-style: none; }
.process-steps li { display: flex; gap: var(--space-2); padding: var(--space-3); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.process-steps h3 { margin-bottom: 4px; }
.process-steps p { margin: 0; color: var(--muted); }
.step-number { flex: 0 0 auto; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: var(--wood); color: #fff; font-weight: 700; }

/* ===== FAQ ===== */
.faq-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: var(--space-5); align-items: start; }
.faq-list details { border-bottom: 1px solid var(--line-strong); }
.faq-list details:first-child { border-top: 1px solid var(--line-strong); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); min-height: 60px; padding: 14px 0; font-size: var(--text-lg); font-weight: 600; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { flex: 0 0 auto; color: var(--wood); font-size: 24px; font-weight: 400; content: "+"; }
.faq-list details[open] summary::after { content: "\2212"; }
.faq-list details p { margin: 0 0 var(--space-2); padding-right: var(--space-4); color: var(--muted); overflow-wrap: anywhere; }
.faq-list a, .privacy-note a { text-decoration: underline; text-underline-offset: 3px; }

/* ===== Quote section ===== */
.quote { background: var(--dark); color: #fff; }
.quote-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-5); align-items: start; }
.quote-copy h2 { margin-bottom: var(--space-3); }
.quote-copy h2 span { color: var(--wood-on-dark); }
.quote-copy > p:not(.eyebrow) { margin-bottom: var(--space-4); color: #e3e4dd; font-size: var(--text-lg); }
.contact-detail { display: flex; align-items: center; gap: var(--space-2); padding-top: var(--space-3); border-top: 1px solid rgba(255, 255, 255, .18); }
.contact-icon { flex: 0 0 auto; width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid rgba(255, 255, 255, .3); border-radius: 50%; color: var(--wood-on-dark); font-size: 20px; }
.contact-detail small, .contact-detail strong { display: block; }
.contact-detail small { margin-bottom: 2px; color: #d0d1c9; font-size: var(--text-sm); font-weight: 700; letter-spacing: .08em; }
.contact-detail strong { font-size: var(--text-lg); }
.contact-links { margin: var(--space-3) 0 0; padding: 0; list-style: none; font-size: var(--text-lg); }
.contact-links li { padding: 6px 0; }
.contact-links a { color: #fff; font-weight: 700; text-decoration: underline; text-underline-offset: 4px; }
.quote-form { padding: var(--space-4); border-radius: var(--radius-lg); background: var(--paper); color: var(--ink); }
.form-expectation { margin: 0 0 var(--space-3); color: var(--muted); }
.form-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: var(--space-3); }
.form-heading h3 { margin: 0; font-size: 22px; }
.form-heading p { margin: 0; color: var(--muted); font-size: var(--text-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.quote-form label > span:first-child small { color: var(--muted); font-size: var(--text-sm); font-weight: 400; }
.upload-control { position: relative; display: flex; align-items: center; gap: 12px; min-height: 72px; margin-top: 6px; padding: 12px 14px; border: 1px dashed var(--line-strong); border-radius: var(--radius); background: #fff; }
.upload-icon { flex: 0 0 auto; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: var(--wood-light); color: var(--wood); font-size: 18px; }
.upload-control strong, .upload-control small { display: block; }
.upload-control small { color: var(--muted); font-size: var(--text-sm); font-weight: 400; }
.upload-control input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.upload-control:focus-within { outline: 3px solid var(--wood); outline-offset: 2px; }
.file-list { display: block; padding-top: 6px; color: var(--muted); font-size: var(--text-sm); font-weight: 400; overflow-wrap: anywhere; }
.form-submit:disabled { cursor: wait; opacity: .75; }
.form-feedback { margin: var(--space-2) 0 0; color: var(--ink); line-height: 1.5; }
.form-feedback:not(:empty) { padding: 12px 14px; border-radius: var(--radius); background: var(--wood-light); }
.form-feedback.error { background: #fbe9e7; color: #7a1a14; }
.form-feedback.success { background: #e6f2e6; color: #1e4d24; }
.privacy-note { margin: var(--space-2) 0 0; color: var(--muted); font-size: var(--text-sm); text-align: center; }
.demo-notice { margin: 0 0 var(--space-2); padding: 12px 14px; border-left: 3px solid var(--wood); background: var(--wood-light); color: #5c3c27; font-size: var(--text-sm); }
.hp-field { display: none; }

/* ===== Footer ===== */
.site-footer { background: #222420; color: #f1f0eb; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-5); padding-block: var(--space-5); }
.footer-brand .brand-wordmark { width: 142px; padding: 8px 10px; border-radius: var(--radius); background: var(--paper); }
.footer-about p { max-width: 320px; margin: var(--space-2) 0 0; color: #d0d1c9; }
.footer-title { margin: 0 0 var(--space-2); color: var(--wood-on-dark); font-size: var(--text-sm); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.footer-col ul { margin: 0; padding: 0; list-style: none; }
.footer-col li { padding: 4px 0; color: #d0d1c9; }
.footer-col a { display: inline-block; padding: 4px 0; color: #f1f0eb; }
.footer-col a:hover, .footer-top:hover { color: var(--wood-on-dark); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); min-height: 64px; border-top: 1px solid rgba(255, 255, 255, .14); color: #d0d1c9; font-size: var(--text-sm); }
.footer-top { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--wood-on-dark); font-weight: 600; }

/* ===== Legal pages ===== */
.legal-main { padding-block: var(--space-5) 72px; }
.legal-container { max-width: 760px; }
.legal-container h1 { margin: var(--space-3) 0 var(--space-2); font-size: 32px; }
.legal-container h2 { margin: var(--space-4) 0 var(--space-1); font-size: 20px; }
.legal-container p, .legal-container li { color: #3f413b; line-height: 1.7; }
.legal-container li { margin-bottom: 8px; }
.legal-container a:not(.text-link) { color: var(--wood); text-decoration: underline; text-underline-offset: 2px; }
.legal-container mark { padding: 0 3px; background: #f3e3a8; color: var(--ink); }
.legal-status { padding: 12px 14px; border-left: 3px solid var(--wood); background: var(--wood-light); font-size: var(--text-sm) !important; }
.legal-updated { margin-top: var(--space-4); color: var(--muted) !important; font-size: var(--text-sm) !important; }

/* ===== Laptop / tablet ===== */
@media (max-width: 1024px) {
  :root { --gutter: 24px; }
  .main-nav { gap: var(--space-3); }
  .service-grid { grid-template-columns: 1fr; }
  .service-list-two { columns: 2; column-gap: var(--space-4); }
  .service-list-two li { break-inside: avoid; }
  .gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1025px) {
  .service-list-two { columns: 1; }
}

@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .brand-icon { width: 32px; height: 32px; }
  .brand-wordmark { width: 120px; }
  .header-inner { gap: 8px; }
  .header-actions { gap: 4px; }
  .menu-toggle { width: 44px; height: 44px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; padding: 0; border: 1px solid var(--line-strong); border-radius: var(--radius); background: transparent; cursor: pointer; }
  .menu-toggle span { width: 18px; height: 2px; background: var(--ink); transition: transform .2s, opacity .2s; }
  .menu-open .menu-toggle span:first-child { transform: translateY(7px) rotate(45deg); }
  .menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
  .menu-open .menu-toggle span:last-child { transform: translateY(-7px) rotate(-45deg); }
  .main-nav { position: absolute; top: 100%; right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--gutter) 16px; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 12px 16px rgba(37, 39, 35, .08); }
  .menu-open .main-nav { display: flex; }
  .main-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .main-nav a:last-child { border-bottom: 0; }

  .hero-grid, .reviews-grid, .process-grid, .faq-grid, .quote-grid { grid-template-columns: 1fr; gap: var(--space-4); }
  .hero-text, .hero-quote { max-width: none; }
  .section-heading { flex-direction: column; align-items: flex-start; gap: var(--space-2); margin-bottom: var(--space-4); }
  .section-intro { max-width: none; }
}

/* ===== Mobile ===== */
@media (max-width: 600px) {
  :root { --gutter: 18px; }
  h1 { font-size: clamp(28px, 8vw, 34px); }
  .eyebrow { font-size: 13px; }
  .brand-wordmark { width: 104px; }
  .button-small { padding-inline: 12px; font-size: 13px; }
  .hero-quote, .service-card, .review-card, .quote-form { padding: 20px; }
  .service-list-two { columns: 1; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .stairs-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stairs-grid figure, .stairs-grid figure:nth-child(-n+2) { grid-column: span 1; aspect-ratio: 4 / 5; }
  .stairs-grid figure:first-child { grid-column: span 2; aspect-ratio: 4 / 3; }
  .process-steps li { padding: 18px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .faq-list summary { font-size: var(--text); }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-4); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}