/*!
Theme Name: MEGASO
Theme URI: https://megasogroup.com/
Author: Tianjin Megaso Technology Co., Ltd.
Description: Lightweight B2B product and manufacturing theme for MEGASO.
Version: 1.1.4
Requires at least: 6.5
Requires PHP: 8.0
Text Domain: megaso
*/

/* Fonts */
@font-face {
	font-family: "IBM Plex Sans Variable";
	src: url("assets/fonts/ibm-plex-sans-latin-wght-normal.woff2") format("woff2");
	font-style: normal;
	font-weight: 100 700;
	font-display: swap;
}

@font-face {
	font-family: "IBM Plex Mono";
	src: url("assets/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");
	font-style: normal;
	font-weight: 500;
	font-display: swap;
}

/* Tokens and reset */
:root {
	--color-brand: #df111c;
	--color-ink: #0a0a0a;
	--color-graphite: #242424;
	--color-muted: #5f6368;
	--color-line: #d9dce1;
	--color-canvas: #f4f5f6;
	--color-surface: #ffffff;
	--color-focus: #005fcc;
	--font-sans: "IBM Plex Sans Variable", Arial, sans-serif;
	--font-mono: "IBM Plex Mono", Consolas, monospace;
	--space-1: 0.5rem;
	--space-2: 0.75rem;
	--space-3: 1rem;
	--space-4: 1.5rem;
	--space-5: 2rem;
	--space-6: 3rem;
	--space-7: 4rem;
	--space-8: 6rem;
	--radius-control: 2px;
	--container-wide: 77.5rem;
	--container-reading: 51.25rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { max-inline-size: 100%; overflow-x: hidden; color-scheme: light; scroll-behavior: smooth; background: var(--color-canvas); }
body { margin: 0; color: var(--color-ink); background: var(--color-canvas); font-family: var(--font-sans); line-height: 1.6; }
img, video, iframe { max-inline-size: 100%; }
img { display: block; max-width: 100%; height: auto; }
picture { display: block; }
a { color: inherit; text-underline-offset: .18em; }
button, input, select, textarea { color: inherit; font: inherit; }
button, a, input, select, textarea { min-block-size: 44px; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }
::selection { color: var(--color-surface); background: var(--color-brand); }
.screen-reader-text { position: absolute; inline-size: 1px; block-size: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.screen-reader-text:focus { position: fixed; inset-block-start: var(--space-1); inset-inline-start: var(--space-1); z-index: 100; inline-size: auto; block-size: auto; padding: var(--space-2) var(--space-3); clip: auto; color: var(--color-ink); background: var(--color-surface); }

/* Layout primitives */
.megaso-container { inline-size: min(calc(100% - 2rem), var(--container-wide)); max-inline-size: 100%; margin-inline: auto; }
.content-layout { max-inline-size: var(--container-reading); }
.edge-safe-copy { min-inline-size: 0; overflow-wrap: anywhere; }
.content-layout, .megaso-lead, .product-card__body, .contact-panel { min-inline-size: 0; overflow-wrap: anywhere; }
.megaso-section { padding-block: clamp(var(--space-7), 7vw, var(--space-8)); }
.megaso-section--dark { color: var(--color-ink); background: var(--color-surface); }
.megaso-section--paper { background: var(--color-surface); }
.megaso-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--space-3); }
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(var(--space-5), 7vw, var(--space-8)); }

/* Type and actions */
h1, h2, h3 { margin-block: 0 .7em; color: var(--color-ink); font-weight: 650; line-height: 1.06; letter-spacing: -.025em; }
h1 { max-inline-size: 16ch; font-size: clamp(2.75rem, 6vw, 5.75rem); }
h2 { max-inline-size: 20ch; font-size: clamp(2rem, 4vw, 3.75rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
p { margin-block: 0 var(--space-3); }
.megaso-kicker { margin: 0 0 var(--space-2); color: var(--color-brand); font-family: var(--font-mono); font-size: .75rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; }
.megaso-lead { max-inline-size: 65ch; color: var(--color-muted); font-size: clamp(1.05rem, 1.7vw, 1.25rem); }
.megaso-section--dark .megaso-lead { color: var(--color-muted); }
.megaso-button { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-1); min-block-size: 48px; padding-inline: var(--space-4); border: 1px solid var(--color-brand); border-radius: var(--radius-control); color: var(--color-surface); background: var(--color-brand); font-family: var(--font-mono); font-size: .78rem; font-weight: 500; letter-spacing: .045em; line-height: 1.2; text-align: center; text-decoration: none; text-transform: uppercase; white-space: nowrap; transition-property: color, background-color, border-color, transform; transition-duration: 180ms; }
.megaso-button:hover { color: var(--color-brand); background: var(--color-surface); transform: translateY(-1px); }
.megaso-button:active { transform: translateY(1px); }
.megaso-button--ghost { border-color: currentColor; color: currentColor; background: transparent; }
.megaso-button--ghost:hover { color: var(--color-ink); }
.inline-target, .site-footer a, .content-layout a { display: inline-flex; align-items: center; min-block-size: 44px; padding-block: .45rem; }

/* Header and navigation */
.site-header { position: relative; z-index: 50; border-block-start: 2px solid var(--color-brand); border-block-end: 1px solid var(--color-line); background: var(--color-surface); }
.site-header__inner { display: flex; align-items: center; gap: var(--space-4); min-block-size: 76px; }
.site-branding { flex: 0 0 220px; min-inline-size: 180px; }
.site-branding a { display: flex; align-items: center; min-block-size: 44px; text-decoration: none; }
.site-logo { inline-size: 100%; max-width: 220px; height: auto; object-fit: contain; object-position: center; }
.menu-toggle { display: none; align-items: center; gap: var(--space-2); padding-inline: var(--space-3); border: 1px solid var(--color-ink); border-radius: var(--radius-control); background: var(--color-surface); font-family: var(--font-mono); font-size: .8rem; font-weight: 500; }
.menu-toggle__icon { position: relative; inline-size: 18px; block-size: 12px; border-block: 2px solid currentColor; }
.menu-toggle__icon::before { position: absolute; inset-block-start: 4px; inset-inline: 0; block-size: 2px; background: currentColor; content: ""; }
.primary-navigation { margin-inline-start: auto; }
.primary-menu { display: flex; align-items: center; gap: clamp(.2rem, 1vw, 1rem); padding: 0; margin: 0; list-style: none; white-space: nowrap; }
.primary-menu li { position: relative; }
.primary-menu a, .submenu-toggle { display: inline-flex; align-items: center; min-block-size: 44px; padding-inline: .3rem; border: 0; background: transparent; font-size: .82rem; font-weight: 600; text-decoration: none; }
.primary-menu a:hover { color: var(--color-brand); }
.submenu-toggle { justify-content: center; min-inline-size: 32px; padding-inline: .25rem; }
.submenu-toggle__icon { inline-size: 7px; block-size: 7px; border-inline-end: 1px solid currentColor; border-block-end: 1px solid currentColor; transform: rotate(45deg) translateY(-2px); transition: transform 180ms; }
.is-submenu-open > .submenu-toggle .submenu-toggle__icon { transform: rotate(225deg) translate(-1px, -1px); }
.primary-menu .sub-menu { position: absolute; inset-block-start: 100%; inset-inline-start: 0; min-inline-size: 240px; padding: var(--space-1); margin: 0; border: 1px solid var(--color-line); border-radius: var(--radius-control); background: var(--color-surface); box-shadow: 0 18px 40px rgb(36 36 36 / .12); list-style: none; opacity: 0; visibility: hidden; transform: translateY(8px); transition-property: opacity, transform; transition-duration: 180ms; }
.primary-menu li:hover > .sub-menu, .primary-menu li:focus-within > .sub-menu, .primary-menu li.is-submenu-open > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.header-cta { flex: 0 0 auto; margin-inline-start: var(--space-2); }
.mobile-nav-cta { display: none; }

/* Homepage journey */
.megaso-home { overflow-x: clip; }
.megaso-home-hero { position: relative; display: grid; min-block-size: 620px; min-block-size: min(640px, calc(100dvh - 76px)); overflow: hidden; background: var(--color-ink); }
.megaso-home-hero::after { position: absolute; z-index: 1; inset: 0; background: linear-gradient(90deg, rgb(10 10 10 / .96) 0%, rgb(10 10 10 / .82) 28%, rgb(10 10 10 / .3) 54%, transparent 72%); content: ""; pointer-events: none; }
.megaso-home-hero__media { position: absolute; inset: 0; }
.megaso-home-hero__media picture, .megaso-home-hero__image { inline-size: 100%; block-size: 100%; }
.megaso-home-hero__image { object-fit: cover; object-position: center; }
.megaso-home-hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); align-items: center; min-block-size: inherit; padding-block: clamp(var(--space-6), 6vw, var(--space-8)); }
.megaso-home-hero__copy { grid-column: 1 / span 5; max-inline-size: 34rem; color: var(--color-surface); }
.megaso-home-hero__copy .megaso-kicker { color: var(--color-canvas); }
.megaso-home-hero__copy h1 { max-inline-size: 9em; margin-block-end: var(--space-4); color: var(--color-surface); font-size: clamp(3rem, 4.4vw, 4rem); }
.megaso-home-hero__lead { max-inline-size: 48ch; color: var(--color-line); font-size: clamp(1rem, 1.5vw, 1.16rem); line-height: 1.55; }
.megaso-home-hero__actions { display: flex; flex-wrap: nowrap; gap: var(--space-2); margin-block-start: var(--space-5); }
.megaso-home-hero .megaso-button--ghost { color: var(--color-surface); }
.megaso-home-hero .megaso-button--ghost:hover { color: var(--color-ink); background: var(--color-surface); }
.megaso-home-section__heading { display: grid; max-inline-size: 54rem; margin-block-end: var(--space-5); }
.megaso-home-section__heading .megaso-lead { margin-block-end: 0; }
.megaso-home-categories, .megaso-home-manufacturing, .megaso-home-oem, .megaso-home-inquiry { border-block-end: 1px solid var(--color-line); }
.megaso-home-products, .megaso-home-quality, .megaso-home-evidence { border-block-end: 1px solid var(--color-line); }
.megaso-home-products .product-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.megaso-home-products .product-card { grid-column: span 3; }
.megaso-home-products .product-card:nth-child(1) { grid-column: span 7; }
.megaso-home-products .product-card:nth-child(2) { grid-column: span 5; }
.megaso-home-manufacturing__primary { display: grid; grid-template-columns: minmax(0, 2fr) minmax(16rem, 1fr); gap: var(--space-3); margin-block-start: var(--space-6); }
.megaso-home-manufacturing__line, .megaso-home-manufacturing__facility { min-inline-size: 0; overflow: hidden; border: 1px solid var(--color-line); background: var(--color-surface); }
.megaso-home-manufacturing__primary picture { block-size: 100%; }
.megaso-home-manufacturing__image { inline-size: 100%; block-size: clamp(320px, 38vw, 520px); object-fit: cover; }
.megaso-home-manufacturing__line .megaso-home-manufacturing__image { object-position: center; }
.megaso-home-manufacturing__facility .megaso-home-manufacturing__image { object-position: center; }
.megaso-home-process { position: relative; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; margin-block: 0 var(--space-6); border: 0; border-block-start: 1px solid var(--color-graphite); background: transparent; }
.megaso-home-process .process-step { position: relative; min-block-size: 180px; padding: var(--space-5) var(--space-3) var(--space-3); border-inline-start: 1px solid var(--color-line); background: transparent; }
.megaso-home-process .process-step:last-child { border-inline-end: 1px solid var(--color-line); }
.megaso-home-process .process-step::before { position: absolute; inset-block-start: -5px; inset-inline-start: var(--space-3); inline-size: 9px; block-size: 9px; background: var(--color-brand); content: ""; }
.megaso-home-process .process-step strong { margin-block-end: var(--space-2); font-size: 1rem; }
.megaso-home-process .process-step h3 { margin: 0; font-size: clamp(1rem, 1.4vw, 1.2rem); line-height: 1.25; }
.megaso-home-manufacturing__secondary { margin-block: 0 var(--space-5); }
.megaso-home-manufacturing__secondary .manufacturing-visual { border-color: var(--color-line); }
.megaso-home-manufacturing__secondary .manufacturing-visual picture { aspect-ratio: 16 / 10; }
.megaso-home-section__action { margin: 0; }
.megaso-home-detail { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: start; gap: clamp(var(--space-5), 7vw, var(--space-8)); }
.megaso-home-detail__body { max-inline-size: 42rem; }
.megaso-home-detail__body .inline-target { color: var(--color-brand); font-weight: 650; }
.megaso-home-detail--requirements { grid-template-columns: minmax(0, 7fr) minmax(18rem, 5fr); align-items: center; }
.megaso-home-oem .feature-list { margin: 0; padding: var(--space-2) var(--space-4); border: 1px solid var(--color-line); background: var(--color-surface); }
.megaso-home-oem .feature-list li:last-child { border-block-end: 0; }
.megaso-home-evidence { background: var(--color-surface); }
.megaso-home-evidence__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.megaso-home-evidence__item { min-inline-size: 0; padding-block: var(--space-7); padding-inline-end: clamp(var(--space-4), 5vw, var(--space-7)); }
.megaso-home-evidence__item + .megaso-home-evidence__item { padding-inline: clamp(var(--space-4), 5vw, var(--space-7)) 0; border-inline-start: 1px solid var(--color-line); }
.megaso-home-evidence__item h2 { font-size: clamp(1.65rem, 2.6vw, 2.5rem); }
.megaso-home-inquiry .megaso-cta { box-shadow: inset 4px 0 0 var(--color-brand); }

@keyframes megaso-home-enter {
	from { opacity: 0; transform: translateY(14px); }
	to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: no-preference) {
	.megaso-home-hero__copy > * { opacity: 0; transform: translateY(14px); animation: megaso-home-enter 520ms cubic-bezier(.16, 1, .3, 1) forwards; }
	.megaso-home-hero__copy > :nth-child(2) { animation-delay: 80ms; }
	.megaso-home-hero__copy > :nth-child(3) { animation-delay: 150ms; }
	.megaso-home-hero__copy > :nth-child(4) { animation-delay: 220ms; }
}

/* Cards and filters */
.category-card { grid-column: span 4; min-block-size: 230px; padding: var(--space-4); border: 1px solid var(--color-line); border-radius: var(--radius-control); background: var(--color-surface); text-decoration: none; transition-property: border-color, transform; transition-duration: 180ms; }
.category-card:nth-child(4), .category-card:nth-child(5) { grid-column: span 6; }
.category-card:hover { border-color: var(--color-brand); transform: translateY(-2px); }
.category-card__number, .product-card__model { color: var(--color-brand); font-family: var(--font-mono); font-size: .75rem; font-weight: 500; letter-spacing: .1em; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); margin-block-start: var(--space-5); }
.product-card { display: flex; min-inline-size: 0; flex-direction: column; border: 1px solid var(--color-line); border-radius: var(--radius-control); background: var(--color-surface); }
.product-card__image { display: grid; place-items: center; aspect-ratio: 4 / 3; padding: var(--space-3); border-block-end: 1px solid var(--color-line); background: var(--color-canvas); overflow: hidden; }
.product-card__image picture { inline-size: 100%; block-size: 100%; }
.product-card__image img { inline-size: 100%; block-size: 100%; object-fit: contain; transition: transform 180ms ease-out; }
.product-card__image:hover img { transform: scale(1.025); }
.product-media-fallback { display: grid; place-items: center; inline-size: 100%; min-block-size: 8rem; padding: var(--space-3); color: var(--color-muted); text-align: center; }
.product-media-fallback p { margin: 0; }
.product-card__body { display: flex; flex: 1; min-inline-size: 0; flex-direction: column; padding: var(--space-4); }
.product-card__body h3 { margin-block: var(--space-1) var(--space-3); font-size: clamp(1.25rem, 2vw, 1.65rem); }
.product-card__specs { display: grid; margin: 0; border-block-start: 1px solid var(--color-line); }
.product-card__specs div { display: grid; grid-template-columns: minmax(5.5rem, .8fr) minmax(0, 1.4fr); gap: var(--space-2); padding-block: .65rem; border-block-end: 1px solid var(--color-line); }
.product-card__specs dt { color: var(--color-graphite); font-family: var(--font-mono); font-size: .72rem; font-weight: 500; letter-spacing: .04em; }
.product-card__specs dd { min-inline-size: 0; margin: 0; font-size: .88rem; font-weight: 600; overflow-wrap: anywhere; }
.product-card__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-3); margin-block-start: auto; padding-block-start: var(--space-4); }
.product-card__actions .inline-target { font-size: .86rem; font-weight: 650; }
.filter-form { display: grid; grid-template-columns: repeat(4, 1fr) auto; gap: var(--space-2); align-items: end; margin-block: var(--space-5); padding: var(--space-3); border: 1px solid var(--color-line); border-radius: var(--radius-control); background: var(--color-surface); }
.filter-form--category { grid-template-columns: repeat(3, 1fr) auto; }
.filter-form label { display: grid; gap: .35rem; color: var(--color-graphite); font-size: .82rem; font-weight: 600; }
.filter-form select { inline-size: 100%; padding-inline: var(--space-2); border: 1px solid var(--color-line); border-radius: var(--radius-control); background: var(--color-surface); }
.product-discovery__status { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: var(--space-3); padding-block: var(--space-2); border-block: 1px solid var(--color-line); }
.product-discovery__status > p { margin: 0; color: var(--color-ink); font-family: var(--font-mono); font-size: .82rem; font-weight: 600; }
.product-discovery__active-filters { display: flex; flex-wrap: wrap; gap: .35rem var(--space-3); }
.product-discovery__active-filters p { margin: 0; color: var(--color-graphite); font-size: .82rem; }
.product-discovery__active-filters strong { color: var(--color-ink); }
.product-discovery__empty { margin-block-start: var(--space-5); padding: var(--space-5); border-block-start: 2px solid var(--color-brand); background: var(--color-surface); }
.product-discovery__empty h3 { margin-block-end: var(--space-3); }
.product-discovery__empty nav { margin-block-start: var(--space-4); }
.product-discovery__empty ul { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); margin: 0; padding: 0; list-style: none; }
.insight-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
.insight-card { display: flex; flex-direction: column; min-block-size: 300px; padding: var(--space-4); border: 1px solid var(--color-line); border-radius: var(--radius-control); background: var(--color-surface); }
.insight-card h2 { font-size: clamp(1.5rem, 2.4vw, 2.2rem); }
.insight-card h2 a { text-decoration: none; }
.insight-card__excerpt { flex: 1; }
.insight-pagination { grid-column: 1 / -1; }

/* Product detail */
.product-detail { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(18rem, .85fr); align-items: start; gap: var(--space-5) clamp(var(--space-5), 5vw, 5rem); }
.product-detail > * { min-inline-size: 0; }
.product-primary-media { grid-column: 1; grid-row: 1 / span 3; display: grid; place-items: center; min-block-size: 520px; padding: clamp(var(--space-3), 3vw, var(--space-5)); border: 1px solid var(--color-line); background: var(--color-surface); }
.product-primary-media picture, .product-primary-media img { inline-size: 100%; max-inline-size: 100%; }
.product-primary-media img { max-block-size: 680px; object-fit: contain; }
.product-summary, .key-specs, .product-primary-action { grid-column: 2; }
.product-summary h1 { font-size: clamp(2.5rem, 5vw, 4.8rem); overflow-wrap: anywhere; }
.product-summary__category { display: flex; flex-wrap: wrap; gap: .35rem; color: var(--color-muted); }
.product-summary__category span { font-family: var(--font-mono); font-size: .8rem; }
.product-summary__category a { color: var(--color-brand); font-weight: 650; }
.key-specs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; border-block-start: 1px solid var(--color-line); }
.key-specs div { min-inline-size: 0; padding-block: var(--space-3); border-block-end: 1px solid var(--color-line); }
.key-specs div:nth-child(odd) { padding-inline-end: var(--space-3); border-inline-end: 1px solid var(--color-line); }
.key-specs div:nth-child(even) { padding-inline-start: var(--space-3); }
.key-specs dt { color: var(--color-muted); font-family: var(--font-mono); font-size: .72rem; font-weight: 500; letter-spacing: .04em; }
.key-specs dd { margin: .35rem 0 0; font-size: 1rem; font-weight: 650; overflow-wrap: anywhere; }
.product-primary-action { padding-block-start: var(--space-2); }
.product-primary-action h2 { font-size: clamp(1.45rem, 2vw, 2rem); }
.product-more-media, .product-specifications { grid-column: 1 / -1; max-inline-size: 100%; min-inline-size: 0; }
.product-more-media { border-block: 1px solid var(--color-line); background: var(--color-surface); }
.product-more-media summary { display: list-item; min-block-size: 56px; padding: var(--space-2) var(--space-3); font-family: var(--font-mono); font-size: .82rem; font-weight: 500; line-height: 2.5; overflow-wrap: anywhere; cursor: pointer; }
.product-more-media[open] summary { border-block-end: 1px solid var(--color-line); }
.product-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--color-line); }
.product-more-media picture { display: grid; place-items: center; inline-size: 100%; max-inline-size: 100%; min-inline-size: 0; min-block-size: 260px; padding: var(--space-3); background: var(--color-surface); }
.product-more-media img { inline-size: 100%; max-inline-size: 100%; max-block-size: 460px; object-fit: contain; }
.product-specifications { padding-block-start: var(--space-4); }
.product-specifications > h2 { margin-block-end: var(--space-5); }
.product-spec-group { display: grid; grid-template-columns: minmax(12rem, .38fr) minmax(0, 1fr); gap: var(--space-4); padding-block: var(--space-4); border-block-start: 1px solid var(--color-line); }
.product-spec-group h3 { margin: 0; font-size: clamp(1.15rem, 2vw, 1.5rem); }
.spec-table-wrap { max-inline-size: 100%; margin-block: var(--space-5); overflow-x: auto; overscroll-behavior-inline: contain; }
.product-spec-group .spec-table-wrap { min-inline-size: 0; margin-block: 0; }
.spec-table { inline-size: 100%; border-collapse: collapse; table-layout: fixed; margin-block: 0; background: var(--color-surface); }
.spec-table th, .spec-table td { padding-block: var(--space-2); padding-inline: var(--space-2); border-block-end: 1px solid var(--color-line); text-align: start; vertical-align: top; }
.spec-table th { inline-size: 38%; color: var(--color-graphite); font-family: var(--font-mono); font-size: .8rem; font-weight: 500; }
.spec-table th, .spec-table td { min-inline-size: 0; overflow-wrap: anywhere; word-break: break-word; }

/* Evidence and content pages */
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-block-start: var(--space-5); border: 1px solid var(--color-line); background: var(--color-line); }
.process-step { min-block-size: 200px; padding: var(--space-4); background: var(--color-surface); }
.process-step strong { display: block; margin-block-end: var(--space-3); color: var(--color-brand); font-family: var(--font-mono); font-size: 1.5rem; font-weight: 500; }
.manufacturing-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); margin-block: var(--space-5); }
.manufacturing-visual { margin: 0; overflow: hidden; border: 1px solid var(--color-line); border-radius: var(--radius-control); background: var(--color-surface); }
.manufacturing-visual picture { aspect-ratio: 16 / 9; overflow: hidden; }
.manufacturing-visual img { inline-size: 100%; block-size: 100%; object-fit: cover; }
.feature-list { display: grid; gap: var(--space-1); padding: 0; list-style: none; }
.feature-list li { padding-block: var(--space-2); border-block-end: 1px solid var(--color-line); }
.page-header { padding-block: clamp(var(--space-7), 9vw, var(--space-8)); border-block-end: 1px solid var(--color-line); color: var(--color-ink); background: var(--color-surface); }
.page-intro { padding-block: clamp(var(--space-6), 7vw, var(--space-7)); border-block-end: 1px solid var(--color-line); background: var(--color-surface); }
.page-intro__inner { max-inline-size: var(--container-reading); margin-inline: auto; }
.page-intro h1 { max-inline-size: 15ch; margin-block-end: var(--space-3); font-size: clamp(2.5rem, 6vw, 5.5rem); }
.page-intro__excerpt { max-inline-size: 62ch; }
.page-intro__excerpt > *:last-child { margin-block-end: 0; }
.manufacturing-evidence { border-block-start: 1px solid var(--color-line); background: var(--color-canvas); }
.manufacturing-evidence__heading { max-inline-size: var(--container-reading); margin-block-end: var(--space-5); }
.manufacturing-evidence__feature { margin: 0 0 var(--space-6); }
.manufacturing-evidence__feature picture { display: block; aspect-ratio: 16 / 8; overflow: hidden; background: var(--color-surface); }
.manufacturing-evidence__image { inline-size: 100%; block-size: 100%; object-fit: cover; }
.manufacturing-evidence__feature figcaption { padding-block: var(--space-2); border-block-end: 1px solid var(--color-line); color: var(--color-muted); font-family: var(--font-mono); font-size: .78rem; }
.manufacturing-evidence__checkpoints { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin: 0 0 var(--space-6); padding: 1px; background: var(--color-line); list-style: none; counter-reset: checkpoint; }
.manufacturing-evidence__checkpoints li { min-block-size: 132px; padding: var(--space-4); background: var(--color-surface); counter-increment: checkpoint; }
.manufacturing-evidence__checkpoints li::before { display: block; margin-block-end: var(--space-3); color: var(--color-brand); font-family: var(--font-mono); font-size: .78rem; content: counter(checkpoint, decimal-leading-zero); }
.manufacturing-evidence__feature--facility { max-inline-size: 76%; margin-inline-start: auto; }
.manufacturing-evidence__gallery { margin-block-end: 0; }
.brand-seal { border-block-end: 1px solid var(--color-line); background: var(--color-canvas); }
.brand-seal__inner { display: grid; grid-template-columns: minmax(0, .9fr) minmax(260px, .55fr); align-items: center; gap: var(--space-6); }
.brand-seal__copy { max-inline-size: 58ch; }
.brand-seal__copy h2 { font-size: clamp(2.3rem, 5vw, 4.8rem); }
.brand-seal__mark { max-inline-size: 360px; justify-self: end; }
.brand-seal__mark picture { display: block; }
.brand-seal__image { inline-size: 100%; block-size: auto; }
.certification-evidence { border-block-start: 1px solid var(--color-line); background: var(--color-canvas); }
.certification-evidence__inner { display: grid; grid-template-columns: minmax(240px, .55fr) minmax(0, 1.45fr); align-items: center; gap: var(--space-6); }
.certification-evidence__copy { max-inline-size: 52ch; }
.certification-evidence__marks { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-3); margin: var(--space-4) 0 0; padding: 0; list-style: none; }
.certification-evidence__marks li { padding-block: .45rem; border-block: 1px solid var(--color-line); font-family: var(--font-mono); font-size: .78rem; font-weight: 500; }
.certification-evidence__media { margin: 0; }
.certification-evidence__media picture { display: block; }
.certification-evidence__image { inline-size: 100%; block-size: auto; }
.insight-article > section { margin-block-end: var(--space-6); }
.reviewed-source-list { padding-inline-start: var(--space-4); }
.reviewed-source-list li { margin-block-end: var(--space-2); }
.contact-panel { position: relative; padding: var(--space-4) var(--space-4) var(--space-4) calc(var(--space-4) + 2rem); border: 1px solid var(--color-line); border-radius: var(--radius-control); background: var(--color-surface); }
.contact-panel::before { position: absolute; inset-block-start: var(--space-4); inset-inline-start: var(--space-4); inline-size: 18px; block-size: 18px; border: 1px solid var(--color-brand); background: linear-gradient(90deg, transparent 45%, var(--color-brand) 45%, var(--color-brand) 55%, transparent 55%), linear-gradient(transparent 45%, var(--color-brand) 45%, var(--color-brand) 55%, transparent 55%); content: ""; }
.contact-panel h2, .contact-panel h3 { margin-block-end: var(--space-2); }

/* Inquiry form */
.megaso-cta { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: var(--space-5); padding: clamp(var(--space-5), 5vw, var(--space-7)); border: 1px solid var(--color-brand); border-radius: var(--radius-control); color: var(--color-ink); background: var(--color-surface); }
.megaso-inquiry-form-section { margin-block-start: var(--space-6); }
.megaso-inquiry-context { max-inline-size: var(--container-reading); padding: var(--space-4); margin-block-end: var(--space-5); border: 1px solid var(--color-line); border-block-start: 2px solid var(--color-brand); background: var(--color-surface); }
.megaso-inquiry-context h2 { margin-block-end: var(--space-3); font-size: clamp(1.45rem, 2.2vw, 2rem); }
.megaso-inquiry-context dl { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: var(--space-1) var(--space-3); margin-block: 0 var(--space-3); }
.megaso-inquiry-context dt { color: var(--color-graphite); font-family: var(--font-mono); font-size: .8rem; font-weight: 500; }
.megaso-inquiry-context dd { min-inline-size: 0; margin: 0; overflow-wrap: anywhere; font-weight: 600; }
.megaso-inquiry-context p { max-inline-size: 65ch; margin-block-end: 0; color: var(--color-muted); }
.megaso-inquiry-form-section .ff-el-form-top { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 var(--space-4); }
.megaso-inquiry-form-section .ff-el-group { min-inline-size: 0; margin-block-end: var(--space-4); }
.megaso-inquiry-form-section .ff-el-group:has(textarea), .megaso-inquiry-form-section .ff-el-group:has(input[type="checkbox"]), .megaso-inquiry-form-section .ff_submit_btn_wrapper, .megaso-inquiry-form-section .ff-errors-in-stack { grid-column: 1 / -1; }
.megaso-inquiry-form-section label { display: block; margin-block-end: var(--space-1); color: var(--color-ink); font-weight: 600; }
.megaso-inquiry-form-section .ff-el-input--label .ff-el-required { display: inline; margin-inline-start: .2em; color: #9c0e17; font-weight: 700; }
.megaso-inquiry-form-section input:not([type="checkbox"]), .megaso-inquiry-form-section select, .megaso-inquiry-form-section textarea { inline-size: 100%; min-block-size: 48px; padding: var(--space-2) var(--space-3); border: 1px solid var(--color-muted); border-radius: var(--radius-control); color: var(--color-ink); background: var(--color-surface); }
.megaso-inquiry-form-section textarea { min-block-size: 140px; resize: vertical; }
.megaso-inquiry-form-section input::placeholder, .megaso-inquiry-form-section textarea::placeholder { color: var(--color-muted); opacity: 1; }
.megaso-inquiry-form-section input:focus-visible, .megaso-inquiry-form-section select:focus-visible, .megaso-inquiry-form-section textarea:focus-visible, .megaso-inquiry-form-section button:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; }
.megaso-inquiry-form-section .ff-el-is-error input, .megaso-inquiry-form-section .ff-el-is-error select, .megaso-inquiry-form-section .ff-el-is-error textarea { border-color: #9c0e17; }
.megaso-inquiry-form-section .error, .megaso-inquiry-form-section .text-danger { color: #9c0e17; font-weight: 600; }
.megaso-inquiry-form-section button[type="submit"] { min-block-size: 48px; padding-inline: var(--space-4); border: 1px solid var(--color-brand); border-radius: var(--radius-control); color: var(--color-surface); background: var(--color-brand); font-family: var(--font-mono); font-weight: 500; }
.megaso-inquiry-form-section button[type="submit"]:hover { background: #b70d16; }

/* Footer */
.site-footer { padding-block: var(--space-7) var(--space-4); color: #d9dce1; background: var(--color-ink); }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-6); }
.site-footer h2, .site-footer h3 { color: var(--color-surface); }
.site-footer__brand { inline-size: min(100%, 280px); margin-block-end: var(--space-4); padding: var(--space-3); border: 1px solid var(--color-line); border-radius: var(--radius-control); background: var(--color-surface); }
.site-footer__logo { inline-size: 100%; max-width: 280px; height: auto; object-fit: contain; }
.site-footer address { font-style: normal; }
.site-footer a:hover { color: var(--color-surface); }
.footer-menu { padding: 0; margin: 0; list-style: none; }
.site-footer__legal { padding-block-start: var(--space-5); margin-block-start: var(--space-5); border-block-start: 1px solid var(--color-graphite); font-size: .85rem; }

/* Responsive rules */
@media (max-width: 1100px) and (min-width: 981px) {
	.site-header__inner { gap: var(--space-2); }
	.site-branding { flex-basis: 190px; min-inline-size: 170px; }
	.site-logo { max-width: 190px; }
	.primary-menu { gap: .1rem; }
	.primary-menu a { font-size: .76rem; }
	.header-cta { padding-inline: var(--space-3); }
}

@media (max-width: 980px) {
	.site-header__inner { min-block-size: 72px; }
	.site-branding { flex: 0 1 190px; min-inline-size: 136px; }
	.site-branding a { inline-size: 100%; }
	.site-logo { max-width: 190px; }
	.menu-toggle { display: inline-flex; margin-inline-start: auto; }
	.header-cta { display: none; }
	.primary-navigation { position: absolute; inset-block-start: 100%; inset-inline: 0; max-block-size: calc(100dvh - 72px); padding: var(--space-2) var(--space-3) var(--space-4); overflow-y: auto; border-block-end: 1px solid var(--color-line); background: var(--color-surface); opacity: 0; visibility: hidden; transform: translateY(-8px); pointer-events: none; transition-property: opacity, transform; transition-duration: 180ms; }
	.primary-navigation.is-open { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
	.primary-menu { display: block; white-space: normal; }
	.primary-menu a { display: flex; padding-inline: var(--space-2); }
	.primary-menu .menu-item-has-children { display: grid; grid-template-columns: 1fr auto; }
	.primary-menu .sub-menu { position: static; grid-column: 1 / -1; display: none; min-inline-size: 0; margin-inline-start: var(--space-3); border: 0; border-inline-start: 1px solid var(--color-line); opacity: 1; visibility: visible; transform: none; box-shadow: none; }
	.primary-menu li.is-submenu-open > .sub-menu { display: block; }
	.mobile-nav-cta { display: inline-flex; inline-size: 100%; margin-block-start: var(--space-3); }
	.megaso-home-hero { display: flex; flex-direction: column; min-block-size: 0; }
	.megaso-home-hero::after { display: none; }
	.megaso-home-hero__media { position: relative; order: 2; }
	.megaso-home-hero__media picture { block-size: auto; }
	.megaso-home-hero__image { block-size: auto; aspect-ratio: 8 / 5; object-position: center; }
	.megaso-home-hero__inner { order: 1; display: block; min-block-size: 0; padding-block: var(--space-7); }
	.megaso-home-hero__copy { max-inline-size: 42rem; }
	.megaso-home-hero__copy h1 { max-inline-size: 12ch; }
	.megaso-home-products .product-card { grid-column: span 6; }
	.megaso-home-manufacturing__primary { grid-template-columns: 1fr; }
	.megaso-home-manufacturing__image { block-size: auto; max-block-size: 520px; aspect-ratio: 16 / 9; }
	.megaso-home-manufacturing__facility .megaso-home-manufacturing__image { aspect-ratio: 16 / 10; }
	.megaso-home-process { grid-template-columns: repeat(3, minmax(0, 1fr)); }
	.megaso-home-process .process-step:nth-child(4) { border-block-start: 1px solid var(--color-line); }
	.megaso-home-process .process-step:nth-child(n+4)::before { inset-block-start: -5px; }
	.category-card { grid-column: span 6; }
	.category-card:last-child { grid-column: span 12; }
	.product-grid, .insight-grid, .manufacturing-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.product-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.filter-form, .filter-form--category { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.product-discovery__status { grid-template-columns: 1fr auto; }
	.product-discovery__active-filters { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 640px) {
	.megaso-container { inline-size: min(calc(100% - 1.25rem), var(--container-wide)); }
	.site-branding { flex-basis: 160px; }
	.site-logo { max-width: 160px; }
	.megaso-section { padding-block: var(--space-7); }
	h1 { font-size: clamp(2.5rem, 13vw, 4rem); }
	.megaso-home-hero__inner { padding-block: var(--space-5); }
	.megaso-home-hero__copy h1 { max-inline-size: 11ch; font-size: clamp(2.45rem, 10.5vw, 3.35rem); }
	.megaso-home-hero__actions { align-items: stretch; flex-direction: column; }
	.megaso-home-hero__actions .megaso-button { inline-size: 100%; }
	.megaso-home-section__heading { margin-block-end: var(--space-4); }
	.megaso-home-process { grid-template-columns: 1fr; border-block-start: 0; border-inline-start: 1px solid var(--color-graphite); }
	.megaso-home-process .process-step, .megaso-home-process .process-step:nth-child(4) { min-block-size: 0; padding: var(--space-3) var(--space-3) var(--space-4) var(--space-5); border-block-start: 0; border-inline-start: 0; border-block-end: 1px solid var(--color-line); }
	.megaso-home-process .process-step:last-child { border-inline-end: 0; }
	.megaso-home-process .process-step::before, .megaso-home-process .process-step:nth-child(n+4)::before { inset-block-start: var(--space-4); inset-inline-start: -5px; }
	.megaso-home-detail, .megaso-home-detail--requirements, .megaso-home-evidence__grid { grid-template-columns: 1fr; }
	.megaso-home-oem .feature-list { padding-inline: var(--space-3); }
	.megaso-home-evidence__item { padding-block: var(--space-6); padding-inline: 0; }
	.megaso-home-evidence__item + .megaso-home-evidence__item { padding-inline: 0; border-block-start: 1px solid var(--color-line); border-inline-start: 0; }
	.category-card, .category-card:nth-child(4), .category-card:nth-child(5) { grid-column: 1 / -1; }
	.product-grid, .insight-grid, .manufacturing-gallery, .process-grid, .split, .product-detail, .site-footer__grid, .megaso-cta { grid-template-columns: 1fr; }
	.manufacturing-evidence__checkpoints, .brand-seal__inner, .certification-evidence__inner { grid-template-columns: 1fr; }
	.manufacturing-evidence__feature--facility { max-inline-size: 100%; }
	.brand-seal__mark { inline-size: min(70vw, 320px); justify-self: start; }
	.product-primary-media, .product-summary, .key-specs, .product-primary-action, .product-more-media, .product-specifications { grid-column: 1; }
	.product-primary-media { grid-row: auto; min-block-size: 0; padding: var(--space-2); }
	.product-gallery, .product-spec-group { grid-template-columns: minmax(0, 1fr); }
	.product-more-media picture { min-block-size: 0; }
	.product-spec-group { gap: var(--space-2); }
	.product-primary-action .megaso-button { inline-size: 100%; white-space: normal; }
	.spec-table th { inline-size: 42%; }
	.megaso-home-products .product-grid { grid-template-columns: minmax(0, 1fr); }
	.megaso-home-products .product-card { grid-column: 1 / -1; }
	.megaso-home-products .product-card:nth-child(1) { grid-column: 1 / -1; }
	.megaso-home-products .product-card:nth-child(2) { grid-column: 1 / -1; }
	.filter-form, .filter-form--category, .product-discovery__status { grid-template-columns: 1fr; }
	.product-discovery__active-filters { grid-column: auto; grid-row: auto; }
	.product-card__actions .megaso-button { inline-size: 100%; }
	.megaso-inquiry-context dl, .megaso-inquiry-form-section .ff-el-form-top { grid-template-columns: 1fr; }
	.megaso-inquiry-context dd { margin-block-end: var(--space-2); }
	.site-footer__grid { gap: var(--space-5); }
}

@media (max-width: 640px) and (max-height: 700px) {
	.megaso-home-hero__inner { padding-block: var(--space-4); }
	.megaso-home-hero__copy h1 { margin-block-end: var(--space-3); font-size: clamp(2.15rem, 10vw, 2.7rem); }
	.megaso-home-hero__lead { font-size: .95rem; line-height: 1.45; }
	.megaso-home-hero__actions { margin-block-start: var(--space-4); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
	.megaso-home-hero__copy > * { opacity: 1; transform: none; animation: none; }
}

.megaso-reduced-motion *, .megaso-reduced-motion *::before, .megaso-reduced-motion *::after { transition-duration: .01ms !important; }