/* ТехСтрой. Palette "forest": deep green from the logo as the one accent, cool bone neutrals.
   Shape rule: cards and photos 14px, buttons 12px, inputs 10px. System fonts: no web-font download. */
:root {
  --bg: #f2f3ee;
  --surface: #ffffff;
  --surface-2: #e8ebe3;
  --ink: #15201a;
  --muted: #56615a;
  --line: #d9ddd3;
  --accent: #1d6b3f;
  --accent-ink: #ffffff;
  --accent-hover: #175833;
  --forest: #123524;
  --forest-ink: #e6efe8;
  --r-card: 14px;
  --r-btn: 12px;
  --r-input: 10px;
  --shadow: 0 1px 2px rgb(18 53 36 / 6%), 0 10px 30px rgb(18 53 36 / 8%);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI Variable", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI Variable Display", "Segoe UI", Roboto, Arial, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1411;
    --surface: #161e19;
    --surface-2: #1c2620;
    --ink: #e7ece6;
    --muted: #9eaaa2;
    --line: #26322b;
    --accent: #3d9a64;
    --accent-ink: #08130c;
    --accent-hover: #4cae75;
    --forest: #0a1f14;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 10px 30px rgb(0 0 0 / 30%);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body { margin: 0; font: 400 17px/1.6 var(--font); color: var(--ink); background: var(--bg); text-rendering: optimizeLegibility; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--font-display); color: var(--ink); line-height: 1.1; letter-spacing: -0.022em; margin: 0 0 0.45em; text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 1.3rem + 3vw, 3.6rem); font-weight: 750; }
h2 { font-size: clamp(1.6rem, 1.15rem + 1.6vw, 2.4rem); font-weight: 720; }
h3 { font-size: 1.15rem; font-weight: 680; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
.wrap { width: min(1240px, 100% - 2.5rem); margin-inline: auto; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.ico { width: 18px; height: 18px; fill: currentColor; flex: none; }

/* Header: one line, 72px */
.top { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; gap: 1.5rem; min-height: 72px; }
.logo img { width: 132px; }
@media (prefers-color-scheme: dark) { .logo img, .foot-logo { background: #fff; border-radius: 8px; padding: 4px 6px; } }
.menu { display: flex; gap: 0.15rem; list-style: none; margin: 0; padding: 0; }
.menu a { display: block; padding: 8px 11px; border-radius: 8px; color: var(--ink); text-decoration: none; font-weight: 560; font-size: 0.95rem; white-space: nowrap; transition: background-color 200ms var(--ease), color 200ms var(--ease); }
.menu a:hover { background: var(--surface-2); }
.menu a[aria-current] { color: var(--accent); }
.nav-phone { margin-left: auto; display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); text-decoration: none; white-space: nowrap; }
.nav-phone .ico { color: var(--accent); }
.menu-toggle, .menu-btn { display: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; min-height: 48px; padding: 0 22px; border: 0; border-radius: var(--r-btn); background: var(--accent); color: var(--accent-ink); font: inherit; font-weight: 650; text-decoration: none; cursor: pointer; white-space: nowrap; transition: background-color 200ms var(--ease), transform 160ms var(--ease); }
.btn:hover { background: var(--accent-hover); }
.btn:active { transform: translateY(1px) scale(0.98); }
.btn-lg { min-height: 54px; padding: 0 28px; font-size: 1.04rem; }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 0.92rem; }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-light { background: #f4f7f2; color: #123524; }
.btn-light:hover { background: #ffffff; }
.btn-ghost-light { background: transparent; color: #f4f7f2; box-shadow: inset 0 0 0 1.5px rgb(244 247 242 / 45%); }
.btn-ghost-light:hover { background: rgb(255 255 255 / 8%); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.4rem; }
.more { font-weight: 650; text-decoration: none; white-space: nowrap; }
.more::after { content: " →"; }

/* Hero: asymmetric split, fits the first screen */
.hero { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(28px, 5vw, 72px); align-items: center; padding: clamp(32px, 6vw, 80px) 0 clamp(24px, 4vw, 48px); min-height: min(calc(100dvh - 72px), 760px); }
.hero h1 { max-width: 16ch; }
.hero-lead { font-size: clamp(1.05rem, 1rem + 0.4vw, 1.25rem); color: var(--muted); max-width: 44ch; }
.hero-img { margin: 0; }
.hero-img img { width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; border-radius: var(--r-card); box-shadow: var(--shadow); }

/* Facts strip: plain numbers, no cards */
.facts ul { display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; padding: 26px 0; margin: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.facts li { display: grid; gap: 2px; padding: 0 20px; }
.facts li + li { border-left: 1px solid var(--line); }
.facts b { font-family: var(--font-display); font-size: clamp(1.3rem, 1rem + 1vw, 1.75rem); letter-spacing: -0.02em; }
.facts span { color: var(--muted); font-size: 0.92rem; }

/* Sections */
.section { padding-top: clamp(56px, 8vw, 100px); }
.page-head { padding: clamp(24px, 4vw, 48px) 0 0; }
.page-head h1 { max-width: 22ch; }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 18px 0 0; margin: 0; font-size: 0.85rem; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin-right: 6px; opacity: 0.5; }
.crumbs a { color: var(--muted); }

/* Catalogue cards (kept animation: reveal + photo zoom + lift) */
.cat + .cat { margin-top: clamp(40px, 6vw, 64px); }
.cat-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.1rem; }
.cat-head h2 { margin: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; list-style: none; margin: 0; padding: 0; }
.card { background: var(--surface); border-radius: var(--r-card); box-shadow: var(--shadow); overflow: hidden; display: flex; flex-direction: column; transition: transform 300ms var(--ease), box-shadow 300ms var(--ease), opacity 700ms var(--ease); }
.card:hover { transform: translateY(-4px); box-shadow: 0 2px 4px rgb(18 53 36 / 8%), 0 18px 40px rgb(18 53 36 / 16%); }
.card-link { color: inherit; text-decoration: none; display: grid; gap: 4px; flex: 1; padding-bottom: 6px; }
.card-img { display: block; overflow: hidden; }
.card-img img { aspect-ratio: 3 / 2; object-fit: cover; width: 100%; transition: transform 700ms var(--ease); }
.card:hover .card-img img { transform: scale(1.05); }
.card-title { font-family: var(--font-display); font-weight: 700; font-size: 1.12rem; padding: 12px 16px 0; }
.card-meta { font-size: 0.85rem; color: var(--muted); padding: 0 16px; }
.card-btn { margin: 6px 16px 16px; align-self: flex-start; }

/* Bento advantages: 4 cells, mixed sizes, two photographic */
.bento { display: grid; grid-template-columns: 1.4fr 1fr; grid-template-rows: auto auto; gap: 16px; margin-top: 1.2rem; }
.b { position: relative; border-radius: var(--r-card); padding: 28px; overflow: hidden; min-height: 220px; display: flex; flex-direction: column; justify-content: flex-end; }
.b h3 { font-size: 1.35rem; }
.b p { margin: 0; max-width: 40ch; }
.b-wide { grid-row: span 2; min-height: 460px; }
.b-photo { color: #f4f7f2; isolation: isolate; }
.b-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform 900ms var(--ease); }
.b-photo:hover img { transform: scale(1.04); }
.b-photo::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgb(10 25 17 / 88%), rgb(10 25 17 / 10%) 70%); }
.b-photo h3 { color: #fff; }
.b-green { background: var(--forest); color: var(--forest-ink); }
.b-green h3 { color: #fff; }
.b-plain { background: var(--surface-2); }
.bento .b:nth-child(4) { grid-column: 2; }

/* Steps: horizontal numbered row */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; list-style: none; padding: 0; margin: 1.2rem 0 0; }
.steps li { padding: 0 22px 0 0; }
.steps li + li { padding-left: 22px; border-left: 1px solid var(--line); }
.step-n { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 750; margin-bottom: 14px; }
.steps p { color: var(--muted); margin: 0; }

/* Split text and photo */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.split.flip > figure { order: -1; }
.split figure { margin: 0; }
.split figure img { border-radius: var(--r-card); aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.split p { max-width: 62ch; }

/* Reviews */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; list-style: none; padding: 0; margin: 0; }
.review { background: var(--surface); border-radius: var(--r-card); padding: 26px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.review blockquote { margin: 0; flex: 1; }
.review blockquote p::before { content: "«"; }
.review blockquote p::after { content: "»"; }
.review cite { font-style: normal; font-weight: 700; }

/* FAQ */
.qas { display: grid; gap: 10px; max-width: 880px; }
.qa { background: var(--surface); border-radius: var(--r-card); padding: 4px 22px; box-shadow: var(--shadow); }
.qa summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 16px 0; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; font-size: 1.5rem; line-height: 1; color: var(--accent); transition: transform 300ms var(--ease); }
.qa[open] summary::after { transform: rotate(45deg); }
.qa summary h3 { margin: 0; font-size: 1.05rem; }
.qa p { color: var(--muted); padding-bottom: 6px; }

/* Calculator */
.calc { background: var(--surface); border-radius: var(--r-card); padding: clamp(22px, 3vw, 34px); box-shadow: var(--shadow); }
.calc-row { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 14px; margin: 0.6rem 0 0.4rem; }

/* Product page */
.product { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.product figure { margin: 0; }
.product figure img { border-radius: var(--r-card); aspect-ratio: 3 / 2; object-fit: cover; width: 100%; }
.specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 1.2rem 0; }
.specs div { background: var(--surface); border-radius: var(--r-input); padding: 12px 14px; }
.specs dt { font-size: 0.8rem; color: var(--muted); }
.specs dd { margin: 0; font-weight: 750; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0; }
.chips a { display: inline-block; padding: 9px 15px; border-radius: var(--r-btn); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); color: var(--ink); text-decoration: none; font-weight: 600; transition: box-shadow 200ms var(--ease); }
.chips a:hover { box-shadow: inset 0 0 0 2px var(--accent); }
.prose { max-width: 75ch; }

/* Table */
.table-wrap { overflow-x: auto; background: var(--surface); border-radius: var(--r-card); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 13px 16px; white-space: nowrap; }
tbody tr:nth-child(odd) { background: color-mix(in srgb, var(--surface-2) 45%, transparent); }
th { font-size: 0.82rem; color: var(--muted); font-weight: 650; }

/* Gallery: horizontal scroll-snap row */
.gallery { display: grid; grid-auto-flow: column; grid-auto-columns: clamp(240px, 30%, 400px); gap: 14px; list-style: none; padding: 0 0 10px; margin: 0; overflow-x: auto; scroll-snap-type: x mandatory; }
.gallery li { scroll-snap-align: start; }
.gallery img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; border-radius: var(--r-card); }

/* Forms */
.lead { background: var(--surface); border-radius: var(--r-card); padding: clamp(22px, 3vw, 32px); box-shadow: var(--shadow); }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 1rem 0; }
.field { display: grid; gap: 6px; font-size: 0.9rem; font-weight: 600; }
.field small { font-weight: 400; color: var(--muted); }
.field.wide { grid-column: 1 / -1; }
input, textarea, select { font: inherit; font-weight: 400; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--r-input); background: var(--bg); color: var(--ink); width: 100%; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
input[aria-invalid="true"] { border-color: #c0392b; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-status { min-height: 1.4em; margin: 10px 0 0; font-weight: 600; }
.form-status.ok { color: var(--accent); }
.form-status.err { color: #c0392b; }

/* Contacts */
.contacts { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.addr { font-style: normal; font-size: 1.15rem; font-weight: 650; margin-bottom: 1rem; }
.plain { list-style: none; padding: 0; margin: 0 0 1em; display: grid; gap: 10px; }
.plain li { display: grid; }
.big { font-family: var(--font-display); font-size: 1.4rem; font-weight: 720; color: var(--ink); text-decoration: none; }
.adv-list { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0; }
.adv-list li { background: var(--surface); border-radius: var(--r-btn); padding: 10px 16px; box-shadow: inset 0 0 0 1px var(--line); }

/* CTA band */
.cta { margin-top: clamp(56px, 8vw, 100px); background: var(--forest); color: var(--forest-ink); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: clamp(36px, 5vw, 56px) 0; flex-wrap: wrap; }
.cta h2 { color: #fff; margin-bottom: 0.2em; }
.cta p { margin: 0; color: #c7d6cc; }
.cta .actions { margin: 0; }

/* Dialog and lightbox */
.modal { border: 0; padding: 0; border-radius: var(--r-card); width: min(520px, 100% - 2rem); background: transparent; }
.modal::backdrop { background: rgb(8 20 13 / 55%); backdrop-filter: blur(2px); }
.modal .lead { box-shadow: none; }
.modal-close { position: absolute; right: 10px; top: 8px; width: 40px; height: 40px; border: 0; background: transparent; font-size: 1.8rem; line-height: 1; cursor: pointer; color: var(--muted); }
.lightbox { border: 0; padding: 0; background: transparent; max-width: 96vw; max-height: 92vh; }
.lightbox::backdrop { background: rgb(6 12 9 / 88%); }
.lightbox img { max-height: 88vh; width: auto; border-radius: var(--r-input); }

/* Floating messengers */
.float { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 10px; z-index: 30; }
.float a { display: block; border-radius: 50%; box-shadow: 0 6px 18px rgb(0 0 0 / 20%); transition: transform 160ms var(--ease); }
.float a:hover { transform: scale(1.06); }

/* Footer */
.foot { margin-top: 0; background: #0b1f14; color: #b7c6bc; font-size: 0.93rem; }
.cta + .foot, main > :last-child { margin-bottom: 0; }
.foot a { color: #e3ebe5; text-decoration: none; }
.foot a:hover { text-decoration: underline; }
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 28px; padding: 52px 0 28px; }
.foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.foot-h { color: #fff; font-size: 1rem; margin-bottom: 12px; }
.foot-logo { background: #fff; padding: 8px 10px; border-radius: var(--r-input); margin-bottom: 14px; }
.foot address { font-style: normal; line-height: 1.8; }
.foot-copy { border-top: 1px solid rgb(255 255 255 / 10%); padding: 18px 0 28px; font-size: 0.82rem; color: #84968a; }
main { padding-bottom: clamp(56px, 8vw, 100px); }
main:has(> .cta:last-child) { padding-bottom: 0; }

/* Motion: page-load entrance and scroll reveal; transform and opacity only */
@media (prefers-reduced-motion: no-preference) {
  .js .intro { opacity: 0; transform: translateY(18px); animation: intro 800ms var(--ease) forwards; }
  .js .hero-text .intro:nth-child(2) { animation-delay: 120ms; }
  .js .hero-text .intro:nth-child(3) { animation-delay: 240ms; }
  .js .hero-img.intro { animation-delay: 160ms; }
  .js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 700ms var(--ease), transform 700ms var(--ease); transition-delay: calc(var(--i, 0) * 70ms); }
  .js .reveal.in { opacity: 1; transform: none; }
  .modal[open] { animation: pop 220ms var(--ease); }
}
@keyframes intro { to { opacity: 1; transform: none; } }
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(0.98); } }

/* Narrow screens */
@media (max-width: 1100px) {
  .menu-btn { display: grid; place-items: center; width: 44px; height: 44px; cursor: pointer; border-radius: 10px; }
  .menu-btn span, .menu-btn span::before, .menu-btn span::after { content: ""; display: block; width: 22px; height: 2px; background: var(--ink); position: relative; }
  .menu-btn span::before { position: absolute; top: -7px; }
  .menu-btn span::after { position: absolute; top: 7px; }
  nav[aria-label="Основное меню"] { order: 3; }
  .menu { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; background: var(--bg); padding: 10px 1.25rem 18px; border-bottom: 1px solid var(--line); box-shadow: 0 12px 24px rgb(18 53 36 / 10%); }
  .menu a { padding: 13px 8px; font-size: 1.05rem; }
  .menu-toggle:checked ~ .menu { display: flex; }
  .nav { position: relative; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .hero, .split, .product, .contacts { grid-template-columns: 1fr; }
  .split.flip > figure { order: 0; }
  .hero { min-height: 0; padding-top: 24px; }
  .hero-img { order: 0; }
  .hero-img img { aspect-ratio: 16 / 10; }
  .facts ul { grid-template-columns: 1fr 1fr; gap: 18px 0; }
  .facts li:nth-child(3) { border-left: 0; }
  .bento { grid-template-columns: 1fr; }
  .b-wide { grid-row: auto; min-height: 320px; }
  .bento .b:nth-child(4) { grid-column: auto; }
  .steps { grid-template-columns: 1fr 1fr; gap: 26px 0; }
  .steps li:nth-child(3) { padding-left: 0; border-left: 0; }
  .reviews { grid-template-columns: 1fr; }
  .calc-row { grid-template-columns: 1fr; }
  .specs { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .nav-phone span { display: none; }
  .nav-phone { width: 44px; height: 44px; justify-content: center; border-radius: 10px; background: var(--accent); }
  .nav-phone .ico { color: var(--accent-ink); }
  .cards { grid-template-columns: 1fr 1fr; gap: 12px; }
  .card-title { font-size: 1rem; padding: 10px 12px 0; }
  .card-meta { padding: 0 12px; font-size: 0.78rem; }
  .card-btn { margin: 6px 12px 12px; }
  .fields { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li + li { padding: 0; border-left: 0; }
  .actions .btn { flex: 1 1 auto; }
}

/* Buyers: request by file, online specification, perks, requisites (G24–G26). */
.rfq-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.vsteps { list-style: none; padding: 0; margin: 1.2rem 0; display: grid; gap: 18px; }
.vsteps li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; }
.vsteps h3 { margin: 6px 0 2px; font-size: 1.05rem; }
.vsteps p { margin: 0; color: var(--muted); }
.drop { position: relative; display: grid; gap: 4px; justify-items: center; text-align: center; padding: 26px 18px; margin-top: 1rem; border: 1.5px dashed color-mix(in srgb, var(--accent) 45%, var(--line)); border-radius: var(--r-card); background: color-mix(in srgb, var(--accent) 5%, var(--surface)); cursor: pointer; transition: background 200ms var(--ease), border-color 200ms var(--ease); }
.drop:hover, .drop.over { background: color-mix(in srgb, var(--accent) 11%, var(--surface)); border-color: var(--accent); }
.drop:focus-within { box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.drop-title { font-weight: 650; }
.drop-list { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 6px; }
.drop-list:empty { display: none; }
.drop-list li { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 8px 12px; border-radius: var(--r-input); background: var(--surface-2); font-size: 0.9rem; }
.drop-list li span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.drop-list button, .spec-del { border: 0; background: transparent; color: var(--muted); font-size: 1.3rem; line-height: 1; cursor: pointer; padding: 4px 8px; border-radius: 8px; }
.drop-list button:hover, .spec-del:hover { color: #c0392b; background: var(--surface); }
.spec-attached { margin-top: 10px; padding: 10px 12px; border-radius: var(--r-input); background: color-mix(in srgb, var(--accent) 9%, var(--surface)); font-size: 0.9rem; }
.spec { background: var(--surface); border-radius: var(--r-card); padding: clamp(22px, 3vw, 34px); box-shadow: var(--shadow); }
.spec-rows { display: grid; gap: 10px; margin: 1rem 0 12px; }
.spec-row { display: grid; grid-template-columns: 2fr 1fr 0.7fr 0.8fr 40px; gap: 12px; align-items: end; }
.spec-row output { display: block; padding: 12px 0; font-weight: 650; font-variant-numeric: tabular-nums; }
.spec-del { align-self: center; margin-top: 22px; }
.spec-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.spec-foot .actions { margin: 0; }
.spec-total { margin: 0; font-size: 1.1rem; }
.spec-total b { font-family: var(--font-display); font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.perks { list-style: none; padding: 0; margin: 1.2rem 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.perk { background: var(--surface); border-radius: var(--r-card); padding: 24px; box-shadow: inset 0 0 0 1px var(--line); }
.perk h3 { font-size: 1.1rem; margin-bottom: 0.4em; }
.perk p { margin: 0; color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 0 0 1.2em; display: grid; gap: 8px; }
.checks li { padding-left: 28px; position: relative; }
.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }
.rekv { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: var(--r-card); overflow: hidden; box-shadow: var(--shadow); font-size: 0.93rem; }
.rekv th, .rekv td { text-align: left; padding: 10px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.rekv tr:last-child th, .rekv tr:last-child td { border-bottom: 0; }
.rekv th { font-weight: 600; color: var(--muted); width: 42%; }
.buyers-strip { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; padding: clamp(24px, 3vw, 36px); border-radius: var(--r-card); background: var(--surface-2); }
.buyers-strip h2 { margin-bottom: 0.2em; }
.buyers-strip p { margin: 0; color: var(--muted); max-width: 52ch; }
.buyers-strip .actions { margin: 0; }
@media (max-width: 860px) {
  .rfq-wrap { grid-template-columns: 1fr; }
  .perks { grid-template-columns: 1fr 1fr; }
  .spec-row { grid-template-columns: 1fr 1fr 40px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
  .spec-row .field:first-child { grid-column: 1 / -1; }
  .spec-row .field:nth-child(3) { grid-column: 2; }
  .spec-row .field:nth-child(4) { grid-column: 1; }
  .spec-del { grid-row: 2; grid-column: 3; }
}
@media (max-width: 600px) {
  .perks { grid-template-columns: 1fr; }
  .spec-foot .actions .btn { flex: 1 1 auto; }
}
.h3 { font-size: 1.2rem; margin: 0 0 0.5rem; }
.h3 a { color: inherit; }
