/* 4M Windows & Doors — design system and home (S1.12 prototype).
   Palette from the product itself: anthracite frames, brass handles, frosted glass. */

@font-face { font-family: "Instrument Serif"; src: url("../fonts/InstrumentSerif-Regular.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("../fonts/InstrumentSerif-Italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Geist"; src: url("../fonts/Geist-Regular-var.woff2") format("woff2"); font-weight: 300 700; font-style: normal; font-display: swap; }

:root {
	--c-frame: #2b3034;      /* anthracite, like RAL 7016 frames */
	--c-deep: #1f2427;       /* dark sections */
	--c-ink: #22272a;        /* text on light */
	--c-frost: #f3f4f2;      /* base, frosted glass white */
	--c-glass: #e3e9e7;      /* tinted sections */
	--c-glass-strong: #9fb8c4;
	--c-brass: #b8894a;      /* handle brass, accents on dark, buttons */
	--c-brass-ink: #86622f;  /* brass for text on light (AA) */
	--c-muted: #5b6266;
	--c-muted-dark: #a7aeb2;
	--c-line: rgba(34, 39, 42, .14);
	--c-line-dark: rgba(243, 244, 242, .14);

	--f-display: "Instrument Serif", Georgia, "Times New Roman", serif;
	--f-text: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

	--max: 1280px;
	--gutter: clamp(18px, 4vw, 48px);
	--section: clamp(80px, 11vw, 148px);
	--header-h: 76px;
	--ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body { margin: 0; font-family: var(--f-text); font-size: 1.0625rem; line-height: 1.6; color: var(--c-ink); background: var(--c-frost); -webkit-font-smoothing: antialiased; }
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 400; text-wrap: balance; }
p { margin: 0 0 1em; text-wrap: pretty; }
ul, ol, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }

.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 8px; top: -100px; z-index: 200; padding: 12px 16px; background: var(--c-deep); color: var(--c-frost); }
.skip-link:focus { top: 8px; }
:focus-visible { outline: 2px solid var(--c-brass); outline-offset: 3px; }
.site-main:focus { outline: none; }

/* ---------- Buttons and links ---------- */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 26px; font: 600 1rem/1 var(--f-text); text-decoration: none; border: 1px solid transparent; border-radius: 3px; cursor: pointer; transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .2s var(--ease); }
.button:active { transform: translateY(1px); }
.button .icon { width: 18px; height: 18px; }
.button--brass { background: var(--c-brass); color: var(--c-deep); }
.button--brass:hover { background: #c99a58; }
.button--line { border-color: rgba(243, 244, 242, .4); color: var(--c-frost); }
.button--line:hover { border-color: var(--c-frost); }
.button--dark { background: var(--c-frame); color: var(--c-frost); }
.button--dark:hover { background: var(--c-deep); }
.button--small { min-height: 42px; padding: 0 18px; font-size: .9375rem; }
.text-link { display: inline-block; font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; color: var(--c-brass-ink); }
.text-link:hover { color: var(--c-ink); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--c-frost); color: var(--c-ink); border-bottom: 1px solid var(--c-line); transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease); }
.site-header--over { position: fixed; left: 0; right: 0; background: transparent; color: var(--c-frost); border-bottom-color: transparent; }
.site-header--over.is-scrolled { background: rgba(243, 244, 242, .94); color: var(--c-ink); border-bottom-color: var(--c-line); backdrop-filter: blur(10px); }
.site-header__inner { display: flex; align-items: center; gap: 28px; min-height: var(--header-h); }
.brand { display: inline-flex; align-items: baseline; gap: 8px; text-decoration: none; }
.brand__mark { font: 400 2rem/1 var(--f-display); letter-spacing: -.01em; }
.brand__name { font-weight: 500; font-size: .95rem; }
.nav__list { display: flex; gap: 24px; font-size: .95rem; }
.nav__list a { text-decoration: none; padding: 6px 0; border-bottom: 1px solid transparent; }
.nav__list a:hover, .nav__list a[aria-current="page"] { border-bottom-color: currentColor; }
.site-header__actions { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.phone-link { text-decoration: none; font-weight: 600; white-space: nowrap; }
.nav-toggle { display: none; min-width: 44px; min-height: 44px; background: none; border: 0; color: inherit; cursor: pointer; }
.nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after { display: block; width: 22px; height: 1.5px; background: currentColor; position: relative; }
.nav-toggle__bar::before, .nav-toggle__bar::after { content: ""; position: absolute; left: 0; }
.nav-toggle__bar::before { top: -7px; }
.nav-toggle__bar::after { top: 7px; }

/* ---------- Hero ---------- */
.hero { position: relative; background: var(--c-deep); color: var(--c-frost); padding: calc(var(--header-h) + clamp(40px, 7vw, 96px)) 0 clamp(56px, 8vw, 104px); overflow: hidden; }
.hero::before { content: ""; position: absolute; right: -10%; top: 0; width: 70%; height: 100%; background: radial-gradient(closest-side, rgba(159, 184, 196, .16), transparent); pointer-events: none; }
.hero__grid { position: relative; display: grid; grid-template-columns: 7fr 5fr; gap: clamp(32px, 5vw, 80px); align-items: end; }
.hero__title { font: 400 clamp(3rem, 7vw, 6.25rem)/.96 var(--f-display); letter-spacing: -.015em; max-width: 12ch; }
.hero__title em { font-style: italic; color: var(--c-brass); }
.hero__lead { margin-top: 28px; max-width: 46ch; font-size: 1.125rem; color: var(--c-muted-dark); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero__facts { display: flex; flex-wrap: wrap; gap: 8px 26px; margin-top: 32px; font-size: .95rem; color: var(--c-muted-dark); }
.hero__facts li { display: inline-flex; align-items: center; gap: 8px; }
.hero__facts .icon { width: 18px; height: 18px; color: var(--c-brass); }
.hero__visual { position: relative; padding-bottom: 30px; }

/* ---------- The window ---------- */
.win { position: relative; width: min(100%, 400px); aspect-ratio: 3 / 4.15; margin-inline: auto; }
.win__frame { position: absolute; inset: 0 0 26px 0; background: linear-gradient(180deg, #353b40, var(--c-frame)); border-radius: 5px; perspective: 1500px; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .06), 0 40px 70px -30px rgba(0, 0, 0, .7); }
.win__outside { position: absolute; inset: 6.5%; overflow: hidden; border-radius: 2px; background: linear-gradient(180deg, #d4dfe2 0%, #b3c6cd 52%, #8aa2aa 100%); }
.win__sun { position: absolute; right: -18%; top: -22%; width: 75%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(closest-side, rgba(255, 248, 230, .85), rgba(255, 248, 230, 0)); }
.win__sash { position: absolute; inset: 6.5%; border-radius: 2px; background: linear-gradient(180deg, #3b4247, #30363a); transform-origin: 50% 100%; box-shadow: 0 0 0 1px rgba(0, 0, 0, .35), 0 10px 30px -10px rgba(0, 0, 0, .5); will-change: transform; }
.win__glass { position: absolute; inset: 8.5% 9% 8.5% 9%; overflow: hidden; border-radius: 1px; background: linear-gradient(160deg, rgba(225, 236, 240, .62) 0%, rgba(170, 196, 206, .5) 45%, rgba(120, 150, 160, .55) 100%); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .22), inset 0 -30px 60px -40px rgba(0, 0, 0, .4); }
.win__glare { position: absolute; top: -25%; left: -45%; width: 55%; height: 150%; background: linear-gradient(100deg, transparent 0%, rgba(255, 255, 255, .42) 50%, transparent 100%); transform: rotate(16deg); }
.win__panes { position: absolute; inset: 8.5% 9%; display: flex; justify-content: center; gap: 7%; opacity: 0; pointer-events: none; }
.win__panes i { width: 2px; height: 100%; background: rgba(243, 244, 242, .75); box-shadow: 0 0 10px rgba(159, 184, 196, .9); }
.win__handle { position: absolute; right: 2.6%; top: 48%; width: 5%; }
.win__rose { display: block; width: 100%; aspect-ratio: 1 / 2.2; border-radius: 3px; background: linear-gradient(90deg, #a8783d, #d0a466 50%, #9a6f37); }
.win__lever { position: absolute; left: 50%; top: 32%; width: 64%; height: 300%; margin-left: -32%; border-radius: 3px; background: linear-gradient(90deg, #a8783d, #d6ac6e 50%, #9a6f37); transform-origin: 50% 8%; box-shadow: 0 3px 6px rgba(0, 0, 0, .35); }
.win__sill { position: absolute; left: -7%; right: -7%; bottom: 12px; height: 16px; border-radius: 2px; background: linear-gradient(180deg, #3c4348, #2a2f33); box-shadow: 0 12px 24px -10px rgba(0, 0, 0, .7); }
.win__light { position: absolute; left: 0; right: 0; bottom: -54px; height: 90px; background: radial-gradient(ellipse at 50% 0, rgba(212, 223, 226, .5), transparent 70%); opacity: .35; pointer-events: none; }
/* Static states (no animation, mobile previews, reduced motion) */
.win.is-tilt .win__sash { transform: rotateX(-13deg); }
.win.is-tilt .win__lever { transform: rotate(180deg); }
.win.is-turn .win__sash { transform-origin: 0 50%; transform: rotateY(-36deg); }
.win.is-turn .win__lever { transform: rotate(90deg); }

/* ---------- Trust strip ---------- */
.strip { overflow: hidden; background: var(--c-frame); color: var(--c-frost); border-top: 1px solid var(--c-line-dark); }
.strip__track { display: flex; width: max-content; animation: strip 46s linear infinite; }
.strip:hover .strip__track { animation-play-state: paused; }
.strip__list { display: flex; }
.strip__list li { display: inline-flex; align-items: center; gap: 28px; padding: 18px 0 18px 28px; font-size: .95rem; white-space: nowrap; }
.strip__mark { width: 10px; height: 13px; border: 1.5px solid var(--c-brass); border-radius: 1px; position: relative; }
.strip__mark::after { content: ""; position: absolute; left: 50%; top: 1px; bottom: 1px; width: 1.5px; margin-left: -.75px; background: var(--c-brass); }
@keyframes strip { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding-block: var(--section); }
.section__head { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px 64px; align-items: end; margin-bottom: clamp(40px, 6vw, 72px); }
.section__title { font: 400 clamp(2.3rem, 4.6vw, 3.9rem)/1.02 var(--f-display); letter-spacing: -.01em; max-width: 18ch; }
.section__lead { color: var(--c-muted); max-width: 44ch; margin: 0; }

/* Catalogue */
.catalogue__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(32px, 6vw, 96px); }
.catalogue__label { font: italic 400 1.75rem/1 var(--f-display); color: var(--c-brass-ink); margin-bottom: 18px; }
.catalogue__list li { border-top: 1px solid var(--c-line); }
.catalogue__list li:last-child { border-bottom: 1px solid var(--c-line); }
.product-row { display: grid; grid-template-columns: 64px 1fr 22px; gap: 20px; align-items: center; padding: 20px 8px; text-decoration: none; transition: background-color .3s var(--ease); }
.product-row:hover { background: var(--c-glass); }
.product-row__icon .icon { width: 56px; height: 56px; color: var(--c-frame); }
.product-row__name { display: block; font: 400 1.75rem/1.1 var(--f-display); }
.product-row__line { display: block; color: var(--c-muted); font-size: .975rem; margin-top: 2px; }
.product-row__go { width: 22px; height: 22px; color: var(--c-brass-ink); transition: transform .3s var(--ease); }
.product-row:hover .product-row__go { transform: translateX(4px); }
.icon .mv { transform-box: fill-box; transition: transform .6s var(--ease); }
.icon .hint { opacity: 0; transition: opacity .3s; }
.product-row:hover .mv--tilt { transform-origin: 50% 100%; transform: scaleY(.88) translateY(2px); }
.product-row:hover .mv--turn { transform-origin: 0 50%; transform: scaleX(.7); }
.product-row:hover .mv--panes { transform-origin: 50% 50%; transform: scaleX(1.35); }
.product-row:hover .mv--casement { transform-origin: 0 50%; transform: scaleX(.74); }
.product-row:hover .mv--door { transform-origin: 0 50%; transform: scaleX(.6); }
.product-row:hover .mv--fold { transform-origin: 0 50%; transform: scaleX(.38); }
.product-row:hover .mv--slide { transform: translateX(-14px); }
.product-row:hover .mv--lift { transform: translate(-14px, -2px); }
.product-row:hover .hint { opacity: 1; }

.banner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 32px; margin-top: clamp(40px, 6vw, 64px); padding: clamp(24px, 3.5vw, 36px) clamp(24px, 4vw, 44px); background: var(--c-frame); color: var(--c-frost); border-radius: 6px; }
.banner__text { margin: 0; max-width: 56ch; color: var(--c-muted-dark); }
.banner__text strong { display: block; font: 400 1.85rem/1.1 var(--f-display); color: var(--c-frost); margin-bottom: 6px; }

/* How it works */
.how { background: var(--c-deep); color: var(--c-frost); }
.how__inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; min-height: 100vh; padding-block: clamp(64px, 8vw, 96px); }
.how .section__title { color: var(--c-frost); margin-bottom: 32px; }
.how__steps { counter-reset: none; }
.how__step { padding: 18px 0; border-top: 1px solid var(--c-line-dark); color: var(--c-muted-dark); transition: color .35s var(--ease), opacity .35s var(--ease); }
.how__step strong { display: block; color: var(--c-frost); font-weight: 600; margin-bottom: 2px; }
.has-motion .how__step { opacity: .42; }
.has-motion .how__step.is-active { opacity: 1; }
.how__answer { margin-top: 28px; font-size: .95rem; color: var(--c-muted-dark); max-width: 52ch; }
.how .text-link { color: var(--c-brass); }
.how .text-link:hover { color: var(--c-frost); }
.win--how { width: min(100%, 440px); }

/* Why 4M */
.why__grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.why__list { margin-top: 36px; }
.why__list > div { display: grid; grid-template-columns: 1fr 1.4fr; gap: 6px 32px; padding: 20px 0; border-top: 1px solid var(--c-line); }
.why__list dt { font-weight: 600; }
.why__list dd { color: var(--c-muted); }
.why__note { margin-top: 24px; font: italic 400 1.4rem/1.3 var(--f-display); color: var(--c-brass-ink); }

/* Photo slots (prototype only) */
.photo-slot { margin: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 24px; text-align: center; color: var(--c-muted); border: 1px dashed var(--c-brass-ink); border-radius: 4px; background: repeating-linear-gradient(135deg, var(--c-glass) 0 14px, #dfe6e4 14px 15px); }
.photo-slot__icon { width: 64px; height: 64px; color: var(--c-frame); opacity: .55; }
.photo-slot figcaption { font-size: .85rem; max-width: 26ch; }

/* Work */
.work { background: var(--c-glass); }
.work__grid { columns: 3 260px; column-gap: 16px; }
.work__grid .photo-slot { break-inside: avoid; margin-bottom: 16px; background: repeating-linear-gradient(135deg, var(--c-frost) 0 14px, #e9ecea 14px 15px); }
.work__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; margin-top: 32px; }

/* Process */
.process__track { position: relative; margin-bottom: 48px; }
.process__line { position: absolute; left: 0; right: 0; top: 30px; height: 1px; background: var(--c-line); }
.process__line span { position: absolute; inset: 0; background: var(--c-brass); transform-origin: 0 50%; }
.process__steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.process__num { display: inline-flex; align-items: center; justify-content: center; width: 60px; height: 60px; border-radius: 50%; background: var(--c-frost); border: 1px solid var(--c-line); font: 400 2rem/1 var(--f-display); color: var(--c-brass-ink); }
.process__steps h3 { margin: 22px 0 8px; font-weight: 600; font-size: 1.125rem; }
.process__steps p { color: var(--c-muted); font-size: .975rem; }

/* Pricing */
.pricing { padding-top: 0; }
.pricing__grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.pricing__list { margin-top: 32px; }
.pricing__list li { padding: 16px 0; border-top: 1px solid var(--c-line); color: var(--c-muted); }
.pricing__list strong { color: var(--c-ink); font-weight: 600; }
.quote-card { padding: clamp(28px, 4vw, 44px); background: var(--c-glass); border-radius: 6px; }
.quote-card h3 { font: 400 2.2rem/1.05 var(--f-display); margin-bottom: 14px; }
.quote-card p { color: var(--c-muted); }

/* Business */
.business { background: var(--c-frame); color: var(--c-frost); }
.business .section__title { color: var(--c-frost); }
.business__list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.business__list a { display: block; height: 100%; padding-top: 22px; border-top: 1px solid var(--c-brass); text-decoration: none; }
.business__list h3 { font: 400 1.75rem/1.1 var(--f-display); margin-bottom: 10px; }
.business__list p { color: var(--c-muted-dark); font-size: .975rem; }
.business__list a:hover h3 { text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 1px; }

/* Areas */
.areas__grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.map__lake { fill: var(--c-glass); stroke: #cdd8d6; stroke-width: 1; }
.map__lake-label { font: italic 400 22px var(--f-display); fill: var(--c-muted); }
.map__city circle { fill: var(--c-frost); stroke: var(--c-muted); stroke-width: 1.4; }
.map__city.is-main circle { fill: var(--c-brass); stroke: var(--c-frame); stroke-width: 1.2; }
.map__city text { font: 500 13px var(--f-text); fill: var(--c-ink); }
.areas__legend { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin-top: 12px; font-size: .85rem; color: var(--c-muted); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; border: 1.4px solid var(--c-muted); }
.dot--main { background: var(--c-brass); border-color: var(--c-frame); }
.areas__list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; margin: 28px 0 20px; }
.areas__list a { display: block; padding: 10px 0; border-top: 1px solid var(--c-line); text-decoration: none; }
.areas__list a:hover { color: var(--c-brass-ink); }
.areas__text p { color: var(--c-muted); }

/* FAQ */
.faq { background: var(--c-glass); }
.faq__list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(32px, 5vw, 72px); }
.faq__item { border-top: 1px solid var(--c-line); }
.faq__item h3 { font-size: inherit; }
.faq__item button { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 0; background: none; border: 0; text-align: left; font: 600 1.075rem/1.4 var(--f-text); color: inherit; cursor: pointer; }
.faq__item button .icon { flex: none; width: 22px; height: 22px; color: var(--c-brass-ink); transition: transform .3s var(--ease); }
.faq__item button[aria-expanded="true"] .icon { transform: rotate(45deg); }
.faq__answer { padding: 0 0 22px; color: var(--c-muted); max-width: 60ch; }
.faq__answer[hidden] { display: none; }

/* Final + form */
.final { background: var(--c-deep); color: var(--c-frost); }
.final .section__title { color: var(--c-frost); }
.final__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.final__text p { color: var(--c-muted-dark); max-width: 44ch; margin-top: 22px; }
.final__alt a { color: var(--c-frost); }
.quote-form { padding: clamp(24px, 3.5vw, 40px); background: var(--c-frost); color: var(--c-ink); border-radius: 6px; }
.quote-form--short { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.quote-form--short .quote-form__field:first-of-type, .quote-form--short .quote-form__privacy, .quote-form--short button, .quote-form--short .quote-form__error { grid-column: 1 / -1; }
.quote-form__field { margin-bottom: 16px; }
.quote-form label { display: block; margin-bottom: 6px; font-size: .9rem; font-weight: 600; }
.quote-form input, .quote-form select, .quote-form textarea { width: 100%; min-height: 50px; padding: 12px 14px; font: inherit; color: var(--c-ink); background: #fff; border: 1px solid rgba(34, 39, 42, .28); border-radius: 3px; }
.quote-form textarea { min-height: 110px; }
.quote-form--short .quote-form__field:has(textarea), .quote-form--short .quote-form__field:has([name="email"]) { grid-column: 1 / -1; }
.quote-form--short textarea { min-height: 52px; max-height: 180px; resize: vertical; field-sizing: content; }
.quote-form input:focus, .quote-form select:focus, .quote-form textarea:focus { outline: 2px solid var(--c-brass); outline-offset: 1px; border-color: var(--c-brass-ink); }
.quote-form button { width: 100%; margin-top: 4px; background: var(--c-brass); color: var(--c-deep); }
.quote-form__privacy { font-size: .85rem; color: var(--c-muted); }
.quote-form__error { padding: 12px 14px; border-left: 3px solid #a3402c; background: #f6e9e5; color: #6d2416; }
.quote-form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Breadcrumbs, pages ---------- */
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; font-size: .9rem; color: var(--c-muted); }
.breadcrumbs li + li::before { content: "/"; margin-right: 8px; color: var(--c-line); }
.page__title { font: 400 clamp(2.4rem, 5vw, 4rem)/1.02 var(--f-display); margin: 18px 0 32px; }
.page__content > * { max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- Footer ---------- */
.site-footer { padding-block: 64px 40px; background: var(--c-deep); color: var(--c-muted-dark); }
.site-footer a { color: var(--c-frost); text-decoration: none; }
.site-footer__inner { display: grid; grid-template-columns: 1fr 2fr; gap: 32px; }
.site-footer .brand { font: 400 1.6rem/1 var(--f-display); color: var(--c-frost); }
.site-footer__brand p { margin-bottom: 10px; }
.footer-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.footer-cols__title { font: italic 400 1.25rem/1 var(--f-display); color: var(--c-brass); margin-bottom: 14px; }
.footer-cols li { padding: 4px 0; font-size: .95rem; }
.footer-cols a { color: var(--c-muted-dark); }
.footer-cols a:hover { color: var(--c-frost); }
@media (max-width: 700px) { .footer-cols { grid-template-columns: 1fr 1fr; } }
.site-footer__legal { grid-column: 1 / -1; padding-top: 24px; border-top: 1px solid var(--c-line-dark); font-size: .875rem; }

/* ---------- Mobile bar ---------- */
.mobile-bar { display: none; }

/* ---------- Prototype markers (local only) ---------- */
.pending { border-bottom: 1.5px dashed var(--c-brass); background: rgba(184, 137, 74, .14); cursor: help; }
.proto-note { margin: 0; padding: 14px 18px; border: 1px dashed var(--c-brass-ink); border-radius: 4px; background: rgba(184, 137, 74, .08); font-size: .9rem; color: var(--c-muted); }
.reviews-slot { padding-block: 0 var(--section); }
.proto-badge { position: fixed; left: 12px; bottom: 12px; z-index: 300; padding: 8px 12px; font: 600 12px/1.2 var(--f-text); color: var(--c-deep); background: rgba(243, 244, 242, .92); border: 1px dashed var(--c-brass-ink); border-radius: 3px; pointer-events: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1060px) {
	.nav-toggle { display: inline-flex; align-items: center; justify-content: center; order: 3; }
	.nav { position: absolute; left: 0; right: 0; top: var(--header-h); background: var(--c-frost); color: var(--c-ink); border-bottom: 1px solid var(--c-line); display: none; }
	.nav.is-open { display: block; }
	.nav__list { flex-direction: column; gap: 0; padding: 8px var(--gutter) 20px; font-size: 1.05rem; }
	.nav__list a { display: block; padding: 12px 0; }
	.business__list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
	:root { --header-h: 64px; }
	.site-header__actions .button, .phone-link { display: none; }
	.hero__grid, .why__grid, .pricing__grid, .areas__grid, .final__grid, .how__inner { grid-template-columns: 1fr; }
	.hero__visual { order: -1; width: 100%; max-width: 170px; justify-self: center; padding-bottom: 0; margin-bottom: -8px; }
	.hero__visual .win__light { display: none; }
	.hero__title { max-width: none; }
	.hero__actions .button { flex: 1 1 100%; }
	.section__head { grid-template-columns: 1fr; }
	.catalogue__cols, .faq__list { grid-template-columns: 1fr; }
	.catalogue__group + .catalogue__group { margin-top: 40px; }
	.how__inner { min-height: 0; }
	.how__visual { width: 100%; max-width: 260px; justify-self: center; }
	.why__list > div { grid-template-columns: 1fr; }
	.process__line { display: none; }
	.process__steps { grid-template-columns: 1fr; gap: 28px; }
	.process__steps li { display: grid; grid-template-columns: 60px 1fr; gap: 0 18px; }
	.process__steps h3 { margin-top: 6px; }
	.process__steps p { grid-column: 2; }
	.quote-form--short { grid-template-columns: 1fr; }
	.site-footer__inner { grid-template-columns: 1fr; }
	.mobile-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 150; display: grid; grid-template-columns: 1fr 1fr; padding-bottom: env(safe-area-inset-bottom); box-shadow: 0 -8px 24px rgba(0, 0, 0, .18); transition: transform .3s var(--ease); }
	.mobile-bar.is-hidden { transform: translateY(110%); }
	.mobile-bar a { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 56px; font-weight: 600; text-decoration: none; }
	.mobile-bar .icon { width: 18px; height: 18px; }
	.mobile-bar__call { background: var(--c-frost); color: var(--c-ink); }
	.mobile-bar__quote { background: var(--c-brass); color: var(--c-deep); }
	body { padding-bottom: 56px; }
	.proto-badge { bottom: auto; top: calc(var(--header-h) + 6px); left: auto; right: 8px; font-size: 11px; }
}
@media (max-width: 560px) {
	.business__list { grid-template-columns: 1fr; }
	.areas__list { grid-template-columns: 1fr 1fr; }
	.work__grid { columns: 2 140px; }
}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	.strip__track { animation: none; }
	*, *::before, *::after { transition-duration: .01ms !important; }
}

/* Logo (S1.12 v1.1) */
.brand { align-items: center; gap: 10px; }
.brand__logo { width: auto; height: 46px; }
.brand__logo--footer { height: 72px; }
.brand__name { font-weight: 500; font-size: .8rem; line-height: 1.15; letter-spacing: .02em; }
@media (max-width: 900px) { .brand__logo { height: 38px; } }
/* Small sizes: keep line weights readable regardless of scale */
.brand__logo path { vector-effect: non-scaling-stroke; }
.brand__logo g:first-of-type { stroke-width: 2.2px; }
.brand__logo g:last-of-type { stroke-width: 1.5px; }
.brand__logo--footer g:first-of-type { stroke-width: 2.6px; }
.brand__logo--footer g:last-of-type { stroke-width: 1.7px; }
.brand__logo { height: 52px; }