/* ==========================================================================
   MADAREK GULF — everything below the hero.
   gulf.css holds the design system and the hero. This file holds the homepage sections.
   One rule throughout: lines, type and space do the work. No glow, no glass, no cards floating on shadows.
   ========================================================================== */

:root { --amber: #e0a23c; --nav-h: 84px; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
html.menu-open { overflow: hidden; }
section[id], main[id] { scroll-margin-top: 72px; }

/* ---------- Navigation: now travels with the page ---------- */
.g-nav { position: fixed; transition: background .35s ease, padding .35s var(--ease), border-color .35s ease; border-block-end: 1px solid transparent; }
.g-nav.is-stuck { background: rgba(8,9,10,0.7); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); border-block-end-color: var(--line); padding-block: 12px; }
.g-logo img { transition: height .35s var(--ease); }
.g-nav.is-stuck .g-logo img { height: 36px; }
.g-icon-btn {
  width: 38px; height: 38px; flex: none; display: grid; place-items: center; border-radius: 9px; cursor: pointer;
  color: var(--text-2); background: transparent; border: 1px solid var(--line); transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.g-icon-btn:hover { color: var(--text); border-color: var(--line-strong); background: rgba(255, 255, 255, 0.04); }
.g-menu-btn { display: none; }
.g-rfq-count { display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding-inline: 5px; margin-inline-start: 2px; border-radius: 6px; background: var(--accent-ink); color: var(--accent); font-family: var(--mono); font-size: 0.76rem; font-weight: 500; }
.w-short { display: none; }

.g-menu { position: fixed; inset: 0; z-index: 15; display: flex; flex-direction: column; gap: 32px; padding: 116px var(--gutter) 40px; background: var(--bg); overflow-y: auto; }
.g-menu nav { display: grid; }
.g-menu nav a { display: flex; align-items: baseline; gap: 16px; padding-block: 16px; border-block-end: 1px solid var(--line); font-size: 1.45rem; font-weight: 600; letter-spacing: -0.02em; font-stretch: 106%; }
.g-menu nav a span { font-family: var(--mono); font-size: 0.82rem; font-weight: 400; letter-spacing: 0.1em; color: var(--accent); }
/* the two Fasteners sub-entries sit indented and quieter under the parent, in the mobile menu */
.g-menu nav a.g-menu-sub { padding-block: 12px; padding-inline-start: 20px; font-size: 1.08rem; font-weight: 500; color: var(--text-2); }
.g-menu nav a.g-menu-sub span { color: var(--text-3); }

/* ---------- Primary-nav dropdown (Fasteners → Workbench / All categories) ---------- */
.g-navitem { position: relative; }
.g-navitem > a { display: inline-flex; align-items: center; gap: 5px; }
.g-navitem.has-sub > a .g-caret { opacity: .55; transition: transform .28s var(--ease), opacity .2s ease; }
.g-navitem:hover > a .g-caret, .g-navitem:focus-within > a .g-caret { opacity: 1; transform: rotate(180deg); }
/* an invisible bridge so the panel does not close as the cursor travels down to it */
.g-navitem.has-sub::after { content: ''; position: absolute; inset-inline: 0; top: 100%; height: 12px; }
.g-sub {
  position: absolute; top: calc(100% + 11px); inset-inline-start: 0; z-index: 30; min-width: 286px; padding: 8px;
  background: rgba(13, 16, 17, 0.9); -webkit-backdrop-filter: blur(20px) saturate(1.25); backdrop-filter: blur(20px) saturate(1.25);
  border: 1px solid var(--line-strong); border-radius: 14px; box-shadow: 0 26px 64px -22px rgba(0, 0, 0, 0.78);
  opacity: 0; visibility: hidden; transform: translateY(-8px) scale(.98); transform-origin: top left;
  transition: opacity .22s ease, transform .3s var(--ease), visibility .22s;
}
.g-navitem:hover .g-sub, .g-navitem:focus-within .g-sub { opacity: 1; visibility: visible; transform: none; }
.g-sub-link { display: flex; flex-direction: column; gap: 3px; padding: 11px 13px; border-radius: 10px; transition: background .18s ease; }
.g-sub-link:hover { background: rgba(255, 255, 255, 0.06); }
.g-sub-t { display: flex; align-items: center; gap: 9px; font-size: 0.98rem; font-weight: 600; color: var(--text); letter-spacing: -0.005em; }
.g-sub-link.is-feature .g-sub-t::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); flex: none; }
.g-sub-d { font-size: 0.82rem; line-height: 1.4; color: var(--text-3); }
.g-sub-link:hover .g-sub-d { color: var(--text-2); }
[dir='rtl'] .g-sub { inset-inline-start: auto; inset-inline-end: 0; transform-origin: top right; }

/* ---------- Sections ---------- */
.s { position: relative; padding-block: clamp(84px, 10vw, 156px); border-block-start: 1px solid var(--line); }
.s-raise { background: var(--bg-raise); }
.s-head { max-width: 800px; margin-block-end: clamp(40px, 5vw, 72px); }
.s-eyebrow { display: flex; align-items: center; gap: 12px; font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-2); }
.s-eyebrow span { color: var(--accent); }
.s-eyebrow span::after { content: ''; display: inline-block; vertical-align: middle; width: 28px; height: 1px; margin-inline-start: 12px; background: var(--line-strong); }
.s-h2 { margin-block-start: 22px; font-size: clamp(1.9rem, 2.9vw, 3rem); line-height: 1.07; letter-spacing: -0.035em; font-weight: 620; font-stretch: 108%; text-wrap: balance; }
.s-h2 em { display: block; font-style: normal; color: var(--text-2); }   /* the second sentence always starts its own line */
.s-lead { margin-block-start: 22px; max-width: 60ch; font-size: clamp(1rem, 1.05vw, 1.1rem); line-height: 1.65; color: var(--text-2); }
.s-link { color: var(--text); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 4px; transition: text-decoration-color .2s ease, color .2s ease; }
.s-link:hover { color: var(--accent); text-decoration-color: var(--accent); }

/* reveal: plays on the way down and again on the way back */
.rv { opacity: 0; transform: translateY(22px); transition: opacity .9s var(--ease) var(--d, 0s), transform .9s var(--ease) var(--d, 0s); }
.rv.in { opacity: 1; transform: none; }

/* ---------- The category drawings ---------- */
.ill { width: 100%; height: auto; fill: none; stroke: rgba(208, 219, 213, 0.66); stroke-width: 0.8; stroke-linecap: round; stroke-linejoin: round; overflow: visible; }
.ill .thin { stroke: var(--ink-thin); stroke-width: 0.4; }
.ill .hx { stroke: var(--ink-faint); }
.ill .th-helix { stroke: rgba(208, 219, 213, 0.3); stroke-width: 0.45; }   /* thread flank lines on the stud */
.ill .hid { stroke: var(--ink-thin); stroke-width: 0.45; stroke-dasharray: 3 2; }
.ill .ctr { stroke: var(--ink-thin); stroke-width: 0.35; stroke-dasharray: 9 2 2 2; }
.ill .dim { stroke: color-mix(in srgb, var(--accent) 55%, transparent); stroke-width: 0.35; }
.ill .mask { fill: var(--ill-bg, #0a0b0c); }
.ill .amber { fill: var(--amber); stroke: none; }
.ill .amber-line { stroke: var(--amber); stroke-width: 0.7; }
.ill text { font-family: var(--mono); font-size: 5.4px; letter-spacing: 0.06em; stroke: none; fill: color-mix(in srgb, var(--accent) 75%, #cfd8d3); }
.ill text.note { font-size: 4.8px; letter-spacing: 0.14em; fill: var(--text-3); }
.ill .draw { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.7s var(--ease) .25s, stroke .35s ease; }
.in .ill .draw { stroke-dashoffset: 0; }

/* ---------- 2. Product range ---------- */
.u-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.u-card { display: flex; flex-direction: column; background: var(--bg); transition: background .4s ease, opacity .9s var(--ease) var(--d, 0s), transform .9s var(--ease) var(--d, 0s); }
.u-card + .u-card { border-inline-start: 1px solid var(--line); }
.u-ill { padding: 26px 18px 6px; border-block-end: 1px solid var(--line); background-image: linear-gradient(var(--ink-faint) 1px, transparent 1px), linear-gradient(90deg, var(--ink-faint) 1px, transparent 1px); background-size: 32px 32px; background-position: center; }
.u-body { display: flex; flex-direction: column; flex: 1; padding: 28px 30px 30px; }
.u-n { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.u-body h3 { margin-block: 12px 12px; font-size: 1.4rem; line-height: 1.15; letter-spacing: -0.025em; font-weight: 620; font-stretch: 106%; }
.u-body p:not(.u-n) { color: var(--text-2); font-size: 0.95rem; line-height: 1.6; }
.u-go { display: inline-flex; align-items: center; gap: 8px; margin-block-start: auto; padding-block-start: 26px; font-size: 0.88rem; font-weight: 600; color: var(--text); }
.u-go svg { color: var(--accent); transition: transform .4s var(--ease); }
.u-card:hover { background: var(--gunmetal); --ill-bg: var(--gunmetal); }
.u-card:hover .u-go svg { transform: translateX(4px); }
.u-card:hover .ill .draw { stroke: color-mix(in srgb, var(--accent) 70%, var(--ink)); }

/* ---------- 3. Fastener catalogue ---------- */
.x-bar { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-block-end: 18px; }
.x-search { flex: 1 1 420px; display: flex; align-items: center; gap: 12px; height: 58px; padding-inline: 18px; color: var(--text-3); background: var(--bg); border: 1px solid var(--line-strong); border-radius: 12px; transition: border-color .2s ease; }
.x-search:focus-within { border-color: var(--accent); color: var(--accent); }
.x-search input { flex: 1; min-width: 0; height: 100%; background: none; border: 0; outline: 0; color: var(--text); font: 500 1rem var(--sans); }
.x-search input::placeholder { color: var(--text-3); font-weight: 400; }
.x-search input::-webkit-search-cancel-button { filter: invert(1) opacity(.5); cursor: pointer; }
.x-search kbd { padding: 2px 8px; border: 1px solid var(--line-strong); border-radius: 6px; font-family: var(--mono); font-size: 0.82rem; color: var(--text-3); }
.x-count { font-family: var(--mono); font-size: 0.84rem; letter-spacing: 0.06em; color: var(--text-3); }

/* overflow: clip, not hidden, so the category rail can stay in view while a long list scrolls past */
.x-main { display: grid; grid-template-columns: 270px minmax(0, 1fr); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; overflow: clip; background: var(--bg); }
.x-cats { display: flex; flex-direction: column; align-self: start; position: sticky; inset-block-start: 62px; }
.x-cats button { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 15px 20px; text-align: start; background: none; border: 0; border-block-end: 1px solid var(--line); color: var(--text-2); font-size: 0.92rem; font-weight: 500; cursor: pointer; position: relative; transition: color .2s ease, background .2s ease; }
.x-cats button b { font-family: var(--mono); font-size: 0.82rem; font-weight: 400; color: var(--text-3); }
.x-cats button:hover { color: var(--text); background: rgba(255, 255, 255, 0.025); }
.x-cats button.on { color: var(--text); background: var(--gunmetal); }
.x-cats button.on::before { content: ''; position: absolute; inset-block: 0; inset-inline-start: 0; width: 2px; background: var(--accent); }
.x-cats button.on b { color: var(--accent); }
.x-panel { min-height: 620px; border-inline-start: 1px solid var(--line); }
.x-spec:not(:empty) { padding: 26px 28px 22px; border-block-end: 1px solid var(--line); background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent); }
.x-spec h3 { font-size: 1.3rem; letter-spacing: -0.02em; font-weight: 620; font-stretch: 106%; }
.x-spec dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 32px; margin-block: 16px 14px; }
.x-spec dt { font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); margin-block-end: 5px; }
.x-spec dd { font-size: 0.88rem; line-height: 1.55; color: var(--text-2); }
.x-spec p { font-size: 0.88rem; color: var(--text-3); }

.x-row { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) auto; align-items: center; gap: 24px; padding: 17px 28px; border-block-end: 1px solid var(--line); transition: background .2s ease; }
.x-row:last-child { border-block-end: 0; }
.x-row:hover { background: rgba(255, 255, 255, 0.022); }
.x-name h4 { display: inline; font-size: 1rem; font-weight: 600; letter-spacing: -0.01em; }
.x-in { margin-inline-start: 10px; font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); }
/* "Also in ..." is a link to the family's home category */
.x-jump { padding: 0; background: none; border: 0; cursor: pointer; text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; transition: color .2s ease, text-decoration-color .2s ease; }
.x-jump:hover { color: var(--accent); text-decoration-color: var(--accent); }
/* core range first, then on request: a quiet divider, not a second-class list */
.x-group { display: flex; align-items: baseline; gap: 14px; padding: 13px 28px 11px; border-block-end: 1px solid var(--line); background: rgba(255, 255, 255, 0.025); }
.x-group h4 { font-family: var(--mono); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.x-group.is-req h4 { color: var(--text-2); }
.x-group span { font-size: 0.88rem; color: var(--text-3); }
.x-tag { margin-inline-start: 10px; padding: 2px 7px; border: 1px solid var(--line-strong); border-radius: 5px; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); vertical-align: 2px; white-space: nowrap; }
.x-name p.x-own { margin-block-start: 6px; font-size: 0.8rem; color: var(--text-2); }
.x-own b { margin-inline-end: 8px; font-family: var(--mono); font-size: 0.72rem; font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); }
.x-name p { margin-block-start: 4px; font-size: 0.84rem; color: var(--text-2); }
.x-name p i { font-style: normal; color: var(--text-3); }
.x-name p i::before { content: ' · '; }
.x-std { display: flex; flex-wrap: wrap; gap: 6px; }
.x-std span { padding: 3px 8px; border: 1px solid var(--line); border-radius: 6px; font-family: var(--mono); font-size: 0.82rem; color: var(--text-2); white-space: nowrap; }
.x-std em { font-style: normal; font-size: 0.88rem; color: var(--text-3); }
mark { background: var(--accent-soft); color: var(--text); border-radius: 3px; padding-inline: 1px; }
.x-add { display: inline-flex; align-items: center; gap: 7px; padding: 8px 12px; background: none; border: 1px solid var(--line-strong); border-radius: 8px; color: var(--text); font-size: 0.8rem; font-weight: 600; white-space: nowrap; cursor: pointer; transition: border-color .2s ease, color .2s ease, background .2s ease; }
.x-add .tick { display: none; }
.x-add:hover { border-color: var(--accent); color: var(--accent); }
.x-add.is-added { border-color: transparent; background: var(--accent-soft); color: var(--accent); }
.x-add.is-added .plus { display: none; }
.x-add.is-added .tick { display: inline; }
.x-none { padding: 56px 28px; display: grid; gap: 10px; justify-items: start; }
.x-none p:first-child { font-size: 1.05rem; font-weight: 600; }
.x-none p + p { color: var(--text-2); font-size: 0.92rem; margin-block-end: 10px; }

.x-legend { margin-block-start: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); }
.x-legend summary { padding: 16px 20px; font-family: var(--mono); font-size: 0.84rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-2); cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; }
.x-legend summary::-webkit-details-marker { display: none; }
.x-legend summary::after { content: '+'; font-size: 1.1rem; color: var(--accent); }
.x-legend[open] summary::after { content: '–'; }
.x-legend summary:hover { color: var(--text); }
.x-legend-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; padding: 8px 20px 24px; }
.x-legend-grid h4 { font-family: var(--mono); font-size: 0.76rem; font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-block-end: 10px; }
.x-legend-grid dl > div { padding-block: 7px; border-block-start: 1px solid var(--line); }
.x-legend-grid dt { font-family: var(--mono); font-size: 0.86rem; color: var(--text); }
.x-legend-grid dd { font-size: 0.8rem; color: var(--text-2); }

/* ---------- 4. Fabrication ---------- */
.f-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 110px); align-items: start; }
.f-grid .s-head { margin-block-end: 0; position: sticky; inset-block-start: 110px; }
.f-cta { margin-block-start: 34px; }
.f-steps { list-style: none; }
.f-steps li { display: grid; grid-template-columns: 64px 1fr; gap: 8px; padding-block: 28px; border-block-start: 1px solid var(--line); }
.f-steps li:last-child { border-block-end: 1px solid var(--line); }
.f-n { font-family: var(--mono); font-size: 0.88rem; letter-spacing: 0.1em; color: var(--accent); padding-block-start: 5px; }
.f-steps h3 { font-size: 1.25rem; letter-spacing: -0.02em; font-weight: 620; font-stretch: 105%; }
.f-steps p { margin-block-start: 8px; color: var(--text-2); font-size: 0.95rem; max-width: 52ch; }
.f-table { display: grid; grid-template-columns: 2fr 1.2fr 1fr; gap: 0; margin-block-start: clamp(48px, 6vw, 88px); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.f-table > div { padding: 26px 28px 28px; }
.f-table > div + div { border-inline-start: 1px solid var(--line); }
.f-k { font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); margin-block-end: 16px; }
.f-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.f-tags li { padding: 7px 12px; border: 1px solid var(--line); border-radius: 7px; font-size: 0.86rem; color: var(--text-2); background: rgba(255, 255, 255, 0.015); }

/* ---------- 5. Cathodic protection: graphite, with amber used only where a terminal would be ---------- */
.s-cp { background: radial-gradient(60% 70% at 100% 0%, rgba(224, 162, 60, 0.05), transparent 70%), #0a0c0c; }
.s-cp .s-eyebrow span { color: var(--amber); }
.c-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.c-item { display: flex; flex-direction: column; padding: 28px 26px 26px; background: rgba(255, 255, 255, 0.012); }
.c-item + .c-item { border-inline-start: 1px solid var(--line); }
.c-n { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.14em; color: var(--amber); }
.c-item h3 { margin-block: 14px 10px; font-size: 1.22rem; letter-spacing: -0.02em; font-weight: 620; font-stretch: 105%; line-height: 1.2; }
.c-d { color: var(--text-2); font-size: 0.9rem; line-height: 1.55; }
.c-list { list-style: none; margin-block: 20px 26px; display: grid; gap: 0; }
.c-list li { display: flex; align-items: center; gap: 10px; padding-block: 8px; border-block-start: 1px solid var(--line); font-size: 0.88rem; color: var(--text); }
.c-list li::before { content: ''; width: 5px; height: 5px; background: var(--text-3); flex: none; }
.c-add { margin-block-start: auto; align-self: flex-start; padding: 9px 14px; background: none; border: 1px solid var(--line-strong); border-radius: 8px; color: var(--text); font-size: 0.82rem; font-weight: 600; cursor: pointer; transition: border-color .2s ease, color .2s ease, background .2s ease; }
.c-add:hover { border-color: var(--accent); color: var(--accent); }
.c-add.is-added { border-color: transparent; background: var(--accent-soft); color: var(--accent); }
.c-foot { margin-block-start: 18px; font-size: 0.84rem; color: var(--text-3); }

/* ---------- 6. Supply capability ---------- */
.p-flow { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 3vw, 48px); counter-reset: p; }
.p-flow li { position: relative; padding-block-start: 30px; border-block-start: 1px solid var(--line-strong); }
.p-flow li::before { content: ''; position: absolute; inset-block-start: -1px; inset-inline-start: 0; width: 56px; height: 1px; background: var(--accent); }
.p-flow li + li::after { content: ''; position: absolute; inset-block-start: -5px; inset-inline-start: calc(clamp(20px, 3vw, 48px) / -2 - 4px); width: 8px; height: 8px; border-block-start: 1px solid var(--text-3); border-inline-end: 1px solid var(--text-3); transform: rotate(45deg); }
[dir='rtl'] .p-flow li + li::after { transform: rotate(-135deg); }
.p-n { font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.14em; color: var(--accent); }
.p-flow h3 { margin-block: 14px 12px; font-size: clamp(1.5rem, 2vw, 2rem); letter-spacing: -0.03em; font-weight: 620; font-stretch: 108%; }
.p-flow p { color: var(--text-2); font-size: 0.97rem; line-height: 1.65; max-width: 44ch; }
.p-caps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-block-start: clamp(48px, 6vw, 88px); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.p-caps > div { padding: 24px 26px 26px; }
.p-caps > div + div { border-inline-start: 1px solid var(--line); }
.p-caps dt { font-size: 1rem; font-weight: 600; letter-spacing: -0.01em; }
.p-caps dd { margin-block-start: 8px; font-size: 0.88rem; line-height: 1.55; color: var(--text-2); }

/* ---------- 7. Industries ---------- */
.i-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 110px); align-items: start; }
.i-grid .s-head { margin-block-end: 0; position: sticky; inset-block-start: 110px; }
.i-list { list-style: none; }
.i-list li { display: grid; grid-template-columns: 44px minmax(0, 210px) minmax(0, 1fr); gap: 16px; align-items: baseline; padding-block: 24px; border-block-start: 1px solid var(--line); transition: opacity .9s var(--ease), transform .9s var(--ease), padding .4s var(--ease); }
.i-list li:last-child { border-block-end: 1px solid var(--line); }
.i-n { font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.1em; color: var(--text-3); transition: color .3s ease; }
.i-list h3 { font-size: 1.3rem; letter-spacing: -0.02em; font-weight: 620; font-stretch: 106%; }
.i-list p { color: var(--text-2); font-size: 0.94rem; line-height: 1.6; }
.i-list li:hover { padding-inline-start: 10px; }
.i-list li:hover .i-n { color: var(--accent); }

/* ---------- 8. RFQ ---------- */
.s-rfq { background: linear-gradient(180deg, var(--bg-raise), var(--bg)); }
.r { display: grid; grid-template-columns: minmax(0, 1fr) 380px; border: 1px solid var(--line-strong); border-radius: 18px; overflow: hidden; background: var(--bg); }
.r-main { padding: clamp(22px, 2.4vw, 36px); }
.r-side { padding: clamp(22px, 2.4vw, 36px); border-inline-start: 1px solid var(--line); background: var(--gunmetal); display: flex; flex-direction: column; gap: 14px; }
.r h3 { font-size: 1.15rem; font-weight: 620; letter-spacing: -0.015em; font-stretch: 105%; }
.r-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-block-end: 18px; }
.r-badge { margin-inline-start: 10px; padding: 3px 9px; border-radius: 6px; background: var(--accent-soft); color: var(--accent); font-family: var(--mono); font-size: 0.82rem; font-weight: 400; letter-spacing: 0.04em; vertical-align: middle; }
.r-clear, .r-copy { background: none; border: 0; color: var(--text-3); font-size: 0.82rem; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; transition: color .2s ease; }
.r-clear:hover, .r-copy:hover { color: var(--text); }
.r-cols, .r-row { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.5fr) 86px 86px 36px; gap: 10px; align-items: center; }
.r-cols { display: none; padding-block-end: 8px; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); }
.r-cols.on { display: grid; }
.r-list { list-style: none; }
.r-row { padding-block: 10px; border-block-start: 1px solid var(--line); animation: rIn .45s var(--ease); }
@keyframes rIn { from { opacity: 0; transform: translateY(-6px); } }
.r-item { display: flex; align-items: center; gap: 12px; min-width: 0; }
.r-i { font-family: var(--mono); font-size: 0.82rem; color: var(--accent); flex: none; }
.r-item strong { display: block; font-size: 0.94rem; font-weight: 600; line-height: 1.25; }
.r-item small { display: block; font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin-block-start: 2px; }
.r input, .r select, .r textarea { width: 100%; min-width: 0; padding: 11px 12px; background: var(--bg-raise); border: 1px solid var(--line); border-radius: 8px; color: var(--text); font: 400 0.9rem var(--sans); transition: border-color .2s ease, background .2s ease; }
.r-side input { background: var(--bg); }
.r input::placeholder, .r textarea::placeholder { color: var(--text-3); }
.r input:focus, .r select:focus, .r textarea:focus { outline: 0; border-color: var(--accent); }
.r select { appearance: none; -webkit-appearance: none; padding-inline-end: 26px; background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%); background-position: calc(100% - 15px) 50%, calc(100% - 10px) 50%; background-size: 5px 5px; background-repeat: no-repeat; cursor: pointer; }
[dir='rtl'] .r select { background-position: 15px 50%, 10px 50%; }
.r select option { background: var(--gunmetal); }
.r textarea { resize: vertical; min-height: 84px; line-height: 1.5; }
.r-x { width: 36px; height: 36px; display: grid; place-items: center; background: none; border: 1px solid transparent; border-radius: 8px; color: var(--text-3); cursor: pointer; transition: color .2s ease, border-color .2s ease; }
.r-x:hover { color: var(--text); border-color: var(--line-strong); }
.r-empty { padding: 26px 0 8px; border-block-start: 1px solid var(--line); color: var(--text-2); font-size: 0.94rem; max-width: 60ch; }
.r-empty a { color: var(--text); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 4px; }
.r-addline { display: inline-flex; align-items: center; gap: 8px; margin-block: 16px 26px; padding: 10px 14px; background: none; border: 1px dashed var(--line-strong); border-radius: 8px; color: var(--text-2); font-size: 0.86rem; font-weight: 500; cursor: pointer; transition: color .2s ease, border-color .2s ease; }
.r-addline:hover { color: var(--accent); border-color: var(--accent); }
.r-field { display: grid; gap: 7px; }
.r-field > span { font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); }
.r-field > span i { font-style: normal; letter-spacing: 0.06em; text-transform: none; opacity: .8; margin-inline-start: 6px; }
.r-send { display: grid; gap: 10px; margin-block-start: 8px; }
.r-send .g-btn { width: 100%; }
.r-copy { justify-self: center; padding-block: 4px; }
.r-msg { padding: 10px 12px; border: 1px solid color-mix(in srgb, var(--amber) 45%, transparent); border-radius: 8px; color: var(--amber); font-size: 0.86rem; }
.r-note { margin-block-start: auto; padding-block-start: 12px; font-size: 0.88rem; line-height: 1.55; color: var(--text-3); }

/* ---------- 9. About and contact ---------- */
.a-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 110px); align-items: start; }
.a-grid .s-head { margin-block-end: 0; }
.a-body > p { font-size: clamp(1.02rem, 1.2vw, 1.2rem); line-height: 1.65; color: var(--text-2); }
.a-body > p + p { margin-block-start: 18px; }
.a-rules { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; margin-block-start: 44px; padding-block-start: 28px; border-block-start: 1px solid var(--line); }
.a-rules dt { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-block-end: 10px; }
.a-rules dd { font-size: 0.94rem; line-height: 1.6; color: var(--text); }

.s-contact { padding-block-start: 0; border-block-start: 0; }
.k { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 88px); align-items: end; padding: clamp(28px, 4.4vw, 72px); border: 1px solid var(--line-strong); border-radius: 20px; background: linear-gradient(135deg, var(--gunmetal), var(--bg-raise) 65%); }
.k .g-cta { opacity: 1; transform: none; animation: none; }
.k-list > div { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 16px; align-items: baseline; padding-block: 16px; border-block-start: 1px solid var(--line); }
.k-list > div:last-child { border-block-end: 1px solid var(--line); }
.k-list dt { font-family: var(--mono); font-size: 0.84rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); }
.k-list dd { font-size: 1.12rem; font-weight: 500; letter-spacing: -0.01em; }
.k-list a { transition: color .2s ease; }
.k-list a:hover { color: var(--accent); }

.g-foot { border-block-start: 1px solid var(--line); padding-block: 40px 48px; }
.g-foot-in { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px 40px; }
.g-foot img { height: 34px; width: auto; }
.g-foot nav { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.g-foot a { color: var(--text-2); font-size: 0.86rem; transition: color .2s ease; }
.g-foot a:hover { color: var(--text); }
.g-foot p { font-size: 0.82rem; color: var(--text-3); }
.g-foot-c { grid-column: 1 / -1; padding-block-start: 22px; border-block-start: 1px solid var(--line); }

.g-toast { position: fixed; inset-block-end: 24px; inset-inline-start: 50%; z-index: 40; transform: translate(-50%, 20px); padding: 12px 16px; background: var(--gunmetal-2); border: 1px solid var(--line-strong); border-radius: 10px; font-size: 0.88rem; opacity: 0; pointer-events: none; transition: opacity .3s ease, transform .4s var(--ease); white-space: nowrap; max-width: calc(100vw - 32px); overflow: hidden; text-overflow: ellipsis; }
[dir='rtl'] .g-toast { transform: translate(50%, 20px); }
.g-toast.on { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
[dir='rtl'] .g-toast.on { transform: translate(50%, 0); }
.g-toast a { color: var(--accent); font-weight: 600; }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .g-menu-btn { display: grid; }
  .c-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .c-item + .c-item { border-inline-start: 0; }
  .c-item:nth-child(even) { border-inline-start: 1px solid var(--line); }
  .c-item:nth-child(n + 3) { border-block-start: 1px solid var(--line); }
  .p-caps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .p-caps > div + div { border-inline-start: 0; }
  .p-caps > div:nth-child(even) { border-inline-start: 1px solid var(--line); }
  .p-caps > div:nth-child(n + 3) { border-block-start: 1px solid var(--line); }
  .x-legend-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .r { grid-template-columns: 1fr; }
  .r-side { border-inline-start: 0; border-block-start: 1px solid var(--line); }
}
@media (max-width: 960px) {
  .u-grid { grid-template-columns: 1fr; }
  .u-card { flex-direction: row; }
  .u-card + .u-card { border-inline-start: 0; border-block-start: 1px solid var(--line); }
  .u-ill { flex: 0 0 42%; display: grid; align-items: center; border-block-end: 0; border-inline-end: 1px solid var(--line); padding: 24px; }
  .f-grid, .i-grid, .a-grid, .k { grid-template-columns: 1fr; }
  .f-grid .s-head, .i-grid .s-head { position: static; }
  .f-table { grid-template-columns: 1fr; }
  .f-table > div + div { border-inline-start: 0; border-block-start: 1px solid var(--line); }
  .k { align-items: start; }

  .x-main { grid-template-columns: 1fr; }
  .x-cats { position: static; align-self: stretch; flex-direction: row; overflow-x: auto; border-block-end: 1px solid var(--line); scrollbar-width: none; }
  .x-cats::-webkit-scrollbar { display: none; }
  .x-cats button { flex: none; border-block-end: 0; border-inline-end: 1px solid var(--line); padding: 14px 16px; white-space: nowrap; }
  .x-cats button.on::before { inset-block: auto 0; inset-inline: 0; width: auto; height: 2px; }
  .x-panel { min-height: 0; border-inline-start: 0; }
  .x-search kbd { display: none; }
}
@media (max-width: 720px) {
  .w-full { display: none; } .w-short { display: inline; }
  .g-nav-in { gap: 12px; }
  .g-nav.is-stuck .g-logo img { height: 28px; }
  .g-nav-actions { margin-inline-start: auto; gap: 8px; }
  .g-nav-actions [data-search-open] { display: none; }
  .s-h2 { font-size: clamp(1.7rem, 7.4vw, 2.2rem); }
  .u-card { flex-direction: column; }
  .u-ill { flex: none; border-inline-end: 0; border-block-end: 1px solid var(--line); }
  .u-body { padding: 22px 20px 24px; }
  .x-row { grid-template-columns: minmax(0, 1fr) auto; gap: 12px 14px; padding: 16px 18px; align-items: start; }
  .x-group { padding-inline: 18px; flex-wrap: wrap; gap: 4px 12px; }
  .x-std { grid-column: 1 / -1; grid-row: 2; }
  .x-add .lbl { display: none; }
  .x-add { padding: 10px; }
  .x-spec:not(:empty) { padding: 20px 18px; }
  .x-spec dl { grid-template-columns: 1fr; }
  .x-legend-grid { grid-template-columns: 1fr; }
  .f-steps li { grid-template-columns: 44px 1fr; }
  .c-grid, .p-caps, .a-rules { grid-template-columns: 1fr; }
  .c-item:nth-child(even), .p-caps > div:nth-child(even) { border-inline-start: 0; }
  .c-item + .c-item, .p-caps > div + div { border-block-start: 1px solid var(--line); }
  .p-flow { grid-template-columns: 1fr; gap: 36px; }
  .p-flow li + li::after { display: none; }
  .i-list li { grid-template-columns: 36px minmax(0, 1fr); }
  .i-list p { grid-column: 2; }
  .r-cols.on { display: none; }
  .r-row { grid-template-columns: minmax(0, 1fr) 96px 40px; row-gap: 8px; padding-block: 16px; }
  .r-row .r-item, .r-row input[data-f='spec'] { grid-column: 1 / -1; }
  .k-list > div { grid-template-columns: 1fr; gap: 4px; }
  .g-foot-in { grid-template-columns: 1fr; }
  .g-toast { white-space: normal; text-align: center; }

  /* the hero drawing on a phone: only the main view, with type large enough to read */
  .dw .side, .dw .wide { display: none; }
  .dw text { font-size: 2.7px; }
  .dw text.note { font-size: 2.3px; }
  .dw .track-label { font-size: 2.8px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; }
  .ill .draw { stroke-dasharray: none; stroke-dashoffset: 0; }
}

/* ============================================================ multi-page chrome (added with the 5-page split) */
/* the first section of an interior page starts clear of the fixed header */
.s-page-lead { padding-block-start: clamp(118px, 15vh, 188px); }
.g-screen.s-page-lead { padding-block-start: clamp(104px, 13vh, 168px); }
/* a fastener family name links to its configurator page */
.x-name h4 a.x-fam { color: inherit; text-decoration: none; transition: color .18s ease; }
.x-name h4 a.x-fam:hover { color: var(--accent); }
/* active tab in the header */
.g-links a.is-active { color: var(--accent); }
.g-links a.is-active:hover { color: var(--accent); background: var(--accent-soft); }

/* footer: brand · explore · contact. Contact lives here now, on every page. */
.g-foot { border-block-start: 1px solid var(--line); padding-block: 54px 26px; }
.g-foot-in { display: grid; grid-template-columns: 1.5fr 1fr 1.3fr; align-items: start; gap: 32px 48px; }
.g-foot-brand img { height: 34px; width: auto; }
.g-foot-brand p { margin-block-start: 15px; max-width: 34ch; font-size: 0.86rem; color: var(--text-3); line-height: 1.6; }
.g-foot-h { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); margin: 0 0 14px; }
.g-foot-nav { display: flex; flex-direction: column; gap: 10px; }
.g-foot-nav a { color: var(--text-2); font-size: 0.92rem; transition: color .2s ease; }
.g-foot-nav a:hover { color: var(--text); }
.g-foot-contact > div { display: flex; flex-direction: column; gap: 2px; margin-block-end: 13px; }
.g-foot-contact dt { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); }
.g-foot-contact dd { margin: 0; font-size: 0.95rem; color: var(--text); }
.g-foot-contact a { color: var(--accent); transition: opacity .2s ease; }
.g-foot-contact a:hover { opacity: 0.8; }
.g-foot-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; margin-block-start: 36px; padding-block-start: 22px; border-block-start: 1px solid var(--line); }
.g-foot-base p { font-size: 0.88rem; color: var(--text-3); margin: 0; }
/* Group links made clearly visible (were a near-invisible grey): brand-green, underlined. */
.g-foot-base a { color: var(--accent); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; transition: color .2s ease, opacity .2s ease; }
.g-foot-base a:hover { color: var(--text); opacity: 1; }
@media (max-width: 860px) { .g-foot-in { grid-template-columns: 1fr 1fr; } .g-foot-brand { grid-column: 1 / -1; } }
@media (max-width: 540px) { .g-foot-in { grid-template-columns: 1fr; } .g-foot-base { flex-direction: column; } }