/* ============================================================
   STROYSERVIS — Dark cinematic / kinetic (2026)
   ============================================================ */
:root {
  --bg:      #0b0908;
  --bg-2:    #12100e;
  --surface: #171310;
  --surface-2: #1e1813;
  --ink:     #f3ede3;
  --ink-2:   #cabfb0;
  --muted:   #8a7d6c;
  --clay:    #e4552a;
  --clay-2:  #ff6a3c;
  --clay-soft: #f08a5f;
  --line:    rgba(243, 237, 227, 0.10);
  --line-2:  rgba(243, 237, 227, 0.06);
  --disp: 'Unbounded', 'Segoe UI', sans-serif;
  --sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --e: cubic-bezier(0.22, 1, 0.36, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body {
  font-family: var(--sans); background: var(--bg); color: var(--ink);
  line-height: 1.6; font-size: 17px; overflow-x: hidden;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; }
::selection { background: var(--clay); color: #fff; }
.shell { width: min(1320px, 90%); margin: 0 auto; }

.section-over {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--clay-soft);
  display: flex; align-items: center; gap: 14px;
}
.section-over::before { content: ''; width: 30px; height: 1px; background: var(--clay); flex: none; }

/* grain */
.grain { position: fixed; inset: 0; z-index: 200; pointer-events: none; opacity: 0.04; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* ============ PRELOADER ============ */
.preloader { position: fixed; inset: 0; z-index: 300; background: var(--bg); display: flex; align-items: flex-end; justify-content: center; transition: transform 0.9s var(--e); }
.preloader.done { transform: translateY(-100%); }
.pl-inner { width: min(1320px, 90%); display: flex; align-items: baseline; justify-content: space-between; padding-bottom: 40px; }
.pl-word { font-family: var(--disp); font-weight: 800; font-size: clamp(1.4rem, 5vw, 3rem); letter-spacing: -0.02em; }
.pl-count { font-family: var(--disp); font-weight: 700; font-size: clamp(1.4rem, 5vw, 3rem); color: var(--clay); }

/* ============ HEADER ============ */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 90; transition: background 0.5s var(--e), box-shadow 0.5s, backdrop-filter 0.5s; }
.site-header.scrolled { background: rgba(11, 9, 8, 0.72); backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3); box-shadow: 0 1px 0 var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px 0; transition: padding 0.5s var(--e); }
.site-header.scrolled .header-inner { padding: 13px 0; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 38px; width: auto; }
.brand-name { font-family: var(--disp); font-weight: 700; font-size: 1.02rem; letter-spacing: 0.01em; }
.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav a { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); position: relative; padding: 4px 0; }
.main-nav a::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 100%; height: 1px; background: var(--clay); transform: scaleX(0); transform-origin: right; transition: transform 0.4s var(--e); }
.main-nav a:hover { color: var(--ink); }
.main-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-right { display: flex; align-items: center; gap: 20px; }
.lang-switch { display: flex; align-items: center; gap: 4px; }
.lang-switch button { background: none; border: 0; cursor: pointer; color: var(--muted); font-weight: 700; font-size: 0.76rem; letter-spacing: 0.06em; padding: 4px 6px; border-radius: 6px; transition: color 0.25s, background 0.25s; }
.lang-switch button:hover { color: var(--ink); }
.lang-switch button.active { color: var(--clay); }
.header-cta { font-size: 0.76rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; color: var(--bg); background: var(--ink); border-radius: 999px; padding: 10px 20px; transition: transform 0.3s var(--e), background 0.3s; }
.header-cta:hover { transform: translateY(-2px); background: var(--clay); color: #fff; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 1.6px; background: var(--ink); margin: 6px 0; transition: transform 0.3s var(--e); }
.nav-toggle.open span:first-child { transform: translateY(3.8px) rotate(45deg); }
.nav-toggle.open span:last-child { transform: translateY(-3.8px) rotate(-45deg); }

/* ============ HERO ============ */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding: 140px 0 90px; overflow: hidden; }
.hero-glow { position: absolute; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px; top: -20%; right: -12%; border-radius: 50%; background: radial-gradient(circle, rgba(228, 85, 42, 0.22), transparent 62%); filter: blur(30px); pointer-events: none; }
.hero-over { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.26em; text-transform: uppercase; color: var(--clay-soft); margin-bottom: 30px; }
.hero-title { font-family: var(--disp); font-weight: 800; font-size: clamp(2.7rem, 9.5vw, 9rem); line-height: 0.92; letter-spacing: -0.03em; text-transform: uppercase; }
.hero-title .ln { display: block; }
.hero-title .accent { color: transparent; -webkit-text-stroke: 1.4px var(--clay); }
.hero-title .ln .ch { display: inline-block; will-change: transform; }
.hero-foot { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-top: 46px; flex-wrap: wrap; }
.hero-lead { font-size: 1.06rem; color: var(--ink-2); max-width: 30em; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 10px; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; padding: 15px 28px; border-radius: 999px; cursor: pointer; border: 1px solid transparent; transition: transform 0.3s var(--e), background 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s; }
.btn:hover { transform: translateY(-2px); }
.btn svg { transition: transform 0.3s var(--e); }
.btn:hover svg { transform: translateX(4px); }
.btn-solid { background: var(--clay); color: #fff; box-shadow: 0 14px 34px -14px rgba(228, 85, 42, 0.7); }
.btn-solid:hover { background: var(--clay-2); box-shadow: 0 20px 44px -14px rgba(228, 85, 42, 0.8); }
.btn-ghost { border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); background: rgba(243, 237, 227, 0.05); }
.hero-marker { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 54px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 0.76rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.hero-scroll { display: inline-flex; align-items: center; gap: 10px; }
.hero-scroll::after { content: ''; width: 40px; height: 1px; background: var(--line); position: relative; overflow: hidden; }

/* ============ COLLISION SCENE ============ */
.collide { position: relative; background: var(--bg); }
.collide-pin { height: 100svh; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.collide-stage { position: relative; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.brick { position: absolute; top: 50%; left: 50%; width: clamp(130px, 22vw, 240px); height: auto; border-radius: 5px; box-shadow: 0 30px 70px -20px rgba(0,0,0,0.8); will-change: transform; }
.collide-flash { position: absolute; top: 50%; left: 50%; width: 60vw; height: 60vw; max-width: 700px; max-height: 700px; transform: translate(-50%,-50%); border-radius: 50%; background: radial-gradient(circle, rgba(255,150,90,0.9), rgba(228,85,42,0.35) 35%, transparent 62%); opacity: 0; pointer-events: none; mix-blend-mode: screen; }
.collide-dust { position: absolute; top: 50%; left: 50%; width: 0; height: 0; pointer-events: none; }
.collide-dust span { position: absolute; top: 0; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--clay-soft); opacity: 0; will-change: transform, opacity; }
.collide-copy { position: relative; text-align: center; z-index: 3; pointer-events: none; }
.collide-title { font-family: var(--disp); font-weight: 800; font-size: clamp(1.35rem, 3.6vw, 2.9rem); line-height: 1.08; letter-spacing: -0.01em; text-transform: uppercase; max-width: 15em; margin: 0 auto; }
.collide-title .ct { display: block; }
.collide-title .ct.accent { color: transparent; -webkit-text-stroke: 1.2px var(--clay); margin-top: 0.15em; }
.collide-sub { margin-top: 22px; font-size: 1rem; color: var(--ink-2); letter-spacing: 0.02em; }

/* ============ MARQUEE ============ */
.marquee { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 22px 0; overflow: hidden; background: var(--bg-2); }
.marquee-track { display: flex; align-items: center; gap: 34px; width: max-content; will-change: transform; }
.marquee-track span { font-family: var(--disp); font-weight: 700; font-size: 1.4rem; letter-spacing: 0.02em; white-space: nowrap; }
.marquee-track b { color: var(--clay); font-weight: 400; font-size: 0.9rem; }

/* ============ SECTIONS ============ */
.section { padding: 128px 0; position: relative; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 58px; flex-wrap: wrap; }
.section-title { font-family: var(--disp); font-weight: 700; font-size: clamp(2rem, 5vw, 3.8rem); line-height: 1.0; letter-spacing: -0.02em; text-transform: uppercase; margin-top: 18px; }
.section-lead { color: var(--muted); max-width: 28em; font-size: 1rem; }
.section-title .ch, [data-splt] .ch { display: inline-block; will-change: transform; }

.rv { opacity: 0; transform: translateY(28px); }

/* ============ CATALOGUE ============ */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 44px; }
.filter-bar button { background: none; border: 1px solid var(--line); color: var(--ink-2); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em; padding: 10px 22px; border-radius: 999px; cursor: pointer; transition: all 0.3s var(--e); }
.filter-bar button:hover { border-color: var(--clay); color: var(--clay-soft); }
.filter-bar button.active { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px 26px; }
.product-card { cursor: pointer; opacity: 0; transform: translateY(30px); }
.product-photo { position: relative; aspect-ratio: 3 / 3.7; overflow: hidden; border-radius: 4px; background: var(--surface); }
.product-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; transition: transform 0.9s var(--e); }
.product-card:hover .product-photo img { transform: scale(1.07); }
.product-tag { position: absolute; left: 12px; top: 12px; background: rgba(11,9,8,0.6); color: var(--ink); backdrop-filter: blur(6px); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 11px; border-radius: 999px; }
.product-body { padding: 18px 2px 22px; border-bottom: 1px solid var(--line); }
.product-idx { font-size: 0.7rem; font-weight: 600; color: var(--muted); letter-spacing: 0.14em; }
.product-name { font-family: var(--disp); font-weight: 600; font-size: 1.12rem; line-height: 1.16; margin: 10px 0 14px; }
.product-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.product-price { font-size: 0.92rem; color: var(--ink-2); }
.product-price b { font-weight: 700; color: var(--ink); }
.product-view { display: inline-flex; align-items: center; gap: 6px; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--clay-soft); }
.product-view svg { transition: transform 0.3s var(--e); }
.product-card:hover .product-view svg { transform: translateX(4px); }

/* ============ GALLERY ============ */
.gallery-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 12px; grid-auto-flow: dense; }
.gallery-grid a { position: relative; overflow: hidden; border-radius: 4px; display: block; grid-column: span 3; aspect-ratio: 3/4; }
.gallery-grid a.tall { grid-row: span 2; aspect-ratio: 3/8.16; }
.gallery-grid a.wide { grid-column: span 6; aspect-ratio: 6/4; }
.gallery-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--e); }
.gallery-grid a:hover img { transform: scale(1.07); }
.gallery-grid a::after { content: '+'; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-family: var(--disp); font-size: 1.8rem; color: #fff; background: rgba(228, 85, 42, 0.4); opacity: 0; transition: opacity 0.4s var(--e); }
.gallery-grid a:hover::after { opacity: 1; }

/* ============ ABOUT ============ */
.about-inner { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 64px; align-items: start; }
.about-statement { font-family: var(--disp); font-weight: 600; font-size: clamp(1.6rem, 3.4vw, 2.8rem); line-height: 1.14; letter-spacing: -0.01em; margin: 22px 0 26px; }
.about-text p.rv { color: var(--ink-2); margin-bottom: 16px; font-size: 1.04rem; }
.about-stats { display: grid; gap: 22px; border-left: 1px solid var(--line); padding-left: 40px; }
.about-stats li { display: flex; flex-direction: column; gap: 4px; }
.about-stats strong { font-family: var(--disp); font-weight: 700; font-size: 3.2rem; line-height: 1; color: var(--clay); }
.about-stats strong em { font-style: normal; font-size: 1.6rem; }
.about-stats span { font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }

/* ============ PROCESS ============ */
.process-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 64px; }
.proc-item { display: grid; grid-template-columns: auto 1fr; gap: 24px; padding: 36px 0; border-top: 1px solid var(--line); }
.proc-num { font-family: var(--disp); font-size: 1.6rem; font-weight: 700; color: var(--clay); line-height: 1; }
.proc-item h3 { font-family: var(--disp); font-weight: 600; font-size: 1.3rem; margin-bottom: 10px; }
.proc-item p { color: var(--ink-2); font-size: 0.98rem; }

/* ============ CTA ============ */
.cta-band { padding: 130px 0; text-align: center; background: radial-gradient(700px 340px at 50% 0%, rgba(228,85,42,0.14), transparent), var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cta-inner h2 { font-family: var(--disp); font-weight: 700; font-size: clamp(1.9rem, 4.6vw, 3.6rem); line-height: 1.05; letter-spacing: -0.02em; text-transform: uppercase; margin-bottom: 18px; max-width: 16em; margin-inline: auto; }
.cta-inner p { color: var(--ink-2); margin-bottom: 34px; }

/* ============ CONTACT ============ */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact-card { border: 1px solid var(--line); border-radius: 5px; padding: 32px 28px; background: var(--surface); transition: transform 0.4s var(--e), border-color 0.4s, background 0.4s; }
.contact-card:hover { transform: translateY(-4px); border-color: var(--clay); background: var(--surface-2); }
.contact-card svg { width: 26px; height: 26px; color: var(--clay-soft); margin-bottom: 16px; }
.contact-card .cc-label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.contact-card .cc-name { font-family: var(--disp); font-weight: 600; font-size: 1.3rem; margin: 10px 0 14px; }
.contact-card .cc-phone { display: block; font-size: 1.02rem; font-weight: 500; color: var(--ink-2); padding: 5px 0; transition: color 0.25s; }
.contact-card a.cc-phone:hover { color: var(--clay-soft); }
.contact-card .cc-value { font-size: 1rem; color: var(--ink-2); margin-top: 4px; }

/* ============ FOOTER ============ */
.site-footer { background: #080706; padding: 70px 0 30px; overflow: hidden; }
.footer-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 16px; max-width: 26em; }
.footer-brand .brand-logo { height: 42px; }
.footer-brand p { font-size: 0.9rem; color: var(--muted); }
.footer-nav { display: flex; gap: 26px; }
.footer-nav a { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); transition: color 0.25s; }
.footer-nav a:hover { color: var(--clay-soft); }
.footer-word { font-family: var(--disp); font-weight: 800; font-size: clamp(3rem, 15vw, 15rem); line-height: 0.82; text-align: center; color: transparent; -webkit-text-stroke: 1px rgba(243, 237, 227, 0.08); user-select: none; padding: 10px 0; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 30px; border-top: 1px solid var(--line); font-size: 0.76rem; letter-spacing: 0.06em; color: var(--muted); text-transform: uppercase; }

/* ============ PRODUCT DETAIL ============ */
.product-page { position: fixed; inset: 0; z-index: 120; background: var(--bg); opacity: 0; transition: opacity 0.5s var(--e); }
.product-page.open { opacity: 1; }
.pp-scroll { height: 100%; overflow-y: auto; padding: 110px 0 80px; }
.pp-back { display: inline-flex; align-items: center; gap: 10px; background: none; border: 1px solid var(--line); border-radius: 999px; padding: 11px 22px; font-size: 0.76rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink); cursor: pointer; margin-bottom: 44px; transition: all 0.3s var(--e); }
.pp-back:hover { border-color: var(--clay); color: var(--clay-soft); transform: translateX(-3px); }
.pp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.pp-media { position: sticky; top: 30px; }
.pp-photo { border-radius: 5px; overflow: hidden; cursor: zoom-in; aspect-ratio: 3/3.9; background: var(--surface); box-shadow: 0 40px 80px -46px rgba(0,0,0,0.8); }
.pp-photo img { width: 100%; height: 100%; object-fit: cover; animation: ppIn 0.6s var(--e); }
@keyframes ppIn { from { opacity: 0; transform: scale(1.04); } }
.pp-thumbs { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.pp-thumbs button { width: 70px; height: 86px; border-radius: 3px; overflow: hidden; border: 1px solid var(--line); cursor: pointer; padding: 0; background: none; opacity: 0.55; transition: all 0.3s var(--e); }
.pp-thumbs button:hover { opacity: 1; }
.pp-thumbs button.active { border-color: var(--clay); opacity: 1; }
.pp-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.pp-title { font-family: var(--disp); font-weight: 700; font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.04; text-transform: uppercase; letter-spacing: -0.02em; margin: 14px 0 20px; }
.pp-desc { color: var(--ink-2); margin-bottom: 40px; max-width: 36em; font-size: 1.04rem; }
.pp-spec-title { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.pp-specs { border-top: 1px solid var(--line); margin-bottom: 40px; }
.pp-specs li { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 2px; border-bottom: 1px solid var(--line); font-size: 0.98rem; }
.pp-specs .spec-label { color: var(--muted); }
.pp-specs .spec-value { font-weight: 700; text-align: right; }
.pp-specs .spec-value.muted { color: var(--clay-soft); font-weight: 500; }
.pp-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.pp-related { margin-top: 90px; padding-top: 44px; border-top: 1px solid var(--line); }
.pp-related > .section-over { margin-bottom: 26px; }
.pp-related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pp-related-card { cursor: pointer; }
.pp-related-card .rc-img { aspect-ratio: 3/3.7; overflow: hidden; border-radius: 4px; background: var(--surface); }
.pp-related-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--e); }
.pp-related-card:hover img { transform: scale(1.06); }
.pp-related-card p { font-family: var(--disp); font-size: 1rem; font-weight: 600; padding: 12px 2px 0; }

/* ============ LIGHTBOX ============ */
.lightbox { position: fixed; inset: 0; z-index: 150; background: rgba(8, 7, 6, 0.96); display: flex; align-items: center; justify-content: center; backdrop-filter: blur(6px); }
.lightbox[hidden] { display: none; }
.lightbox figure { position: relative; animation: lbIn 0.4s var(--e); }
@keyframes lbIn { from { opacity: 0; transform: scale(0.94); } }
.lightbox img { max-height: 86vh; max-width: 86vw; border-radius: 4px; }
.lightbox figcaption { position: absolute; bottom: -36px; left: 50%; transform: translateX(-50%); font-size: 0.8rem; letter-spacing: 0.14em; color: var(--muted); }
.lb-close, .lb-prev, .lb-next { position: absolute; z-index: 2; background: rgba(243, 237, 227, 0.07); color: var(--ink); border: 1px solid var(--line); cursor: pointer; border-radius: 50%; width: 52px; height: 52px; font-size: 1.7rem; line-height: 1; display: flex; align-items: center; justify-content: center; transition: all 0.3s var(--e); }
.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: var(--clay); border-color: var(--clay); }
.lb-close { top: 22px; right: 22px; }
.lb-prev { left: 22px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 22px; top: 50%; transform: translateY(-50%); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 30px; grid-template-columns: repeat(3, 1fr); }
  .pp-grid { grid-template-columns: 1fr; gap: 40px; }
  .pp-media { position: static; }
  .pp-related-grid { grid-template-columns: repeat(3, 1fr); }
  .main-nav { position: fixed; inset: 0 0 0 auto; width: min(340px, 84vw); background: var(--surface); flex-direction: column; align-items: flex-start; justify-content: center; padding: 40px; gap: 28px; transform: translateX(100%); transition: transform 0.5s var(--e); z-index: 95; }
  .main-nav a { color: var(--ink); font-size: 1.15rem; }
  .main-nav.open { transform: translateX(0); }
  .nav-toggle { display: block; position: relative; z-index: 96; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .section { padding: 84px 0; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 10px 16px; }
  .process-list { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(6, 1fr); }
  .gallery-grid a { grid-column: span 3; }
  .gallery-grid a.tall { grid-row: span 1; aspect-ratio: 3/4; }
  .gallery-grid a.wide { grid-column: span 6; aspect-ratio: 6/4; }
  .about-stats { grid-template-columns: 1fr; }
  .pp-related-grid { grid-template-columns: 1fr 1fr; }
  .header-cta { display: none; }
  .hero-foot { flex-direction: column; align-items: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
  .brick { width: clamp(110px, 34vw, 170px); }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .rv, .product-card, [data-splt] { opacity: 1 !important; transform: none !important; }
}