/* NovaIPC theme styles — hand-written, no build step, mobile-first. */

:root {
	/* Scheme B — Charcoal + Signal Orange */
	--color-navy: #1e1e24;       /* charcoal — nav / footer */
	--color-navy-dark: #141418;
	--color-steel: #3d3d3a;      /* secondary text / links */
	--color-steel-light: #6f6f6a;
	--color-bg: #f3f3f1;         /* page background — warm off-white */
	--color-bg-muted: #ecEAE6;   /* card background — beige grey */
	--color-card: #ecEAE6;
	--color-border: #dcd9d2;
	--color-accent: #e8600a;     /* CTA — signal orange */
	--color-accent-dark: #c24f08;
	--color-text: #1a1a1a;       /* body copy — carbon ink */
	--color-on-dark: #f3f3f1;
	--color-on-dark-muted: #c9c7c2;

	--font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

	--container-width: 1200px;
	--radius: 4px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
	margin: 0;
	font-family: var(--font-base);
	color: var(--color-text);
	background: var(--color-bg);
	line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 0.6em; color: var(--color-navy); }
p { margin: 0 0 1em; }
table { border-collapse: collapse; width: 100%; }

.screen-reader-text {
	position: absolute;
	width: 1px; height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
}

.container {
	max-width: var(--container-width);
	margin: 0 auto;
	padding: 0 20px;
}

.section { padding: 48px 0; }
.section--muted { background: var(--color-bg-muted); }
.section--center { text-align: center; }
.section__title { font-size: 1.75rem; margin-bottom: 1em; }
.section__title--small { font-size: 1.25rem; margin-top: 2em; }

/* Buttons */
.button {
	display: inline-block;
	padding: 12px 24px;
	border-radius: var(--radius);
	font-weight: 600;
	border: 2px solid transparent;
	cursor: pointer;
}
.button--accent { background: var(--color-accent); color: #fff; }
.button--accent:hover { background: var(--color-accent-dark); }
.button--outline { border-color: var(--color-navy); color: var(--color-navy); }
.button--outline:hover { background: var(--color-navy); color: #fff; }

.tag {
	display: inline-block;
	font-size: 0.8rem;
	padding: 4px 10px;
	border-radius: 999px;
	background: var(--color-bg-muted);
	color: var(--color-steel);
	margin: 0 6px 6px 0;
}

/* Header */
.site-header {
	background: var(--color-navy);
}
.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px 20px;
	flex-wrap: wrap;
	gap: 16px;
}
.site-title { font-size: 1.4rem; font-weight: 700; color: var(--color-on-dark); letter-spacing: 0.02em; }

.nav-toggle {
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	width: 28px; height: 20px;
	background: none; border: none; padding: 0; cursor: pointer;
}
.nav-toggle__bar { display: block; height: 2px; background: var(--color-on-dark); border-radius: 1px; }

.primary-nav {
	display: none;
	width: 100%;
	flex-basis: 100%;
}
.primary-nav.is-open { display: block; }
.primary-nav__list {
	display: flex;
	flex-direction: column;
	gap: 4px;
}
.primary-nav__list a {
	display: block;
	padding: 10px 0;
	font-weight: 600;
	color: var(--color-on-dark-muted);
	border-bottom: 1px solid rgba(243, 243, 241, 0.12);
}
.primary-nav__list a:hover,
.primary-nav__list .current-menu-item > a { color: var(--color-accent); }
.primary-nav__cta { margin-top: 12px; text-align: center; }

/* Products dropdown */
.menu-item-has-children { position: relative; }
.sub-menu {
	display: flex;
	flex-direction: column;
	padding-left: 16px;
}
.sub-menu a { font-weight: 500; font-size: 0.95rem; }

/* Hero */
.hero {
	background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
	color: #fff;
}
.hero__inner { padding: 64px 20px; text-align: center; }
.hero__title { color: #fff; font-size: 2rem; }
.hero__subtitle { color: var(--color-on-dark-muted); font-size: 1.1rem; max-width: 640px; margin: 0 auto 1.6em; }
.hero__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* CTA band */
.cta-band { background: var(--color-bg-muted); }
.cta-band__inner {
	padding: 40px 20px;
	text-align: center;
}
.cta-band__inner h2 { margin-bottom: 0.8em; }

/* Category grid */
.category-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 16px;
}
.category-card {
	display: flex;
	flex-direction: column;
	gap: 4px;
	padding: 24px;
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	background: var(--color-card);
}
.category-card:hover { border-color: var(--color-accent); }
.category-card__name { font-weight: 700; color: var(--color-navy); font-size: 1.1rem; }
.category-card__count { color: var(--color-steel-light); font-size: 0.9rem; }

/* About teaser */
.about-teaser__text { max-width: 720px; }

/* Product catalog */
.page-title { font-size: 1.9rem; }
.catalog-filter {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 28px;
}
.catalog-filter__link {
	padding: 8px 16px;
	border: 1px solid var(--color-border);
	border-radius: 999px;
	font-size: 0.9rem;
	color: var(--color-steel);
}
.catalog-filter__link.is-active,
.catalog-filter__link:hover {
	background: var(--color-navy);
	border-color: var(--color-navy);
	color: #fff;
}

.product-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 24px;
}
.product-card {
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	overflow: hidden;
	display: block;
	background: var(--color-card);
}
.product-card:hover { border-color: var(--color-accent); }
.product-card__thumb { aspect-ratio: 3 / 2; background: var(--color-bg-muted); overflow: hidden; }
.product-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-card__placeholder { width: 100%; height: 100%; background: var(--color-bg-muted); }
.product-card__title { font-size: 1.1rem; margin: 16px 16px 4px; }
.product-card__model { color: var(--color-steel-light); font-size: 0.85rem; margin: 0 16px 8px; }
.product-card__excerpt { color: var(--color-steel); font-size: 0.9rem; margin: 0 16px 16px; }

/* Single product */
.product-detail {
	display: grid;
	grid-template-columns: 1fr;
	gap: 32px;
}
.product-detail__media { aspect-ratio: 3 / 2; background: var(--color-bg-muted); overflow: hidden; border-radius: var(--radius); }
.product-detail__media img { width: 100%; height: 100%; object-fit: cover; }
.product-detail__placeholder { width: 100%; height: 100%; }
.product-detail__cats { margin-bottom: 1em; }
.product-detail__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

.spec-table th, .spec-table td {
	text-align: left;
	padding: 10px 12px;
	border-bottom: 1px solid var(--color-border);
}
.spec-table th { width: 220px; color: var(--color-steel); font-weight: 600; }

/* Contact page */
.contact-layout {
	display: grid;
	grid-template-columns: 1fr;
	gap: 32px;
}
.contact-layout__info {
	background: var(--color-bg-muted);
	padding: 24px;
	border-radius: var(--radius);
	align-self: start;
}
.contact-layout__info h2 { font-size: 1.1rem; }

/* Contact Form 7 styling hook */
.wpcf7-form input[type="text"],
.wpcf7-form input[type="email"],
.wpcf7-form input[type="tel"],
.wpcf7-form textarea {
	width: 100%;
	padding: 10px 12px;
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	font-family: inherit;
	margin-bottom: 12px;
}
.wpcf7-form input[type="submit"] {
	background: var(--color-accent);
	color: #fff;
	border: none;
	padding: 12px 24px;
	border-radius: var(--radius);
	font-weight: 600;
	cursor: pointer;
}
.wpcf7-form input[type="submit"]:hover { background: var(--color-accent-dark); }

/* Post list (blog / news) */
.post-list { display: grid; grid-template-columns: 1fr; gap: 24px; }
.post-card { border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; background: var(--color-card); }
.post-card__thumb { display: block; aspect-ratio: 16 / 9; overflow: hidden; }
.post-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card__title { margin: 16px 16px 8px; font-size: 1.1rem; }
.post-card__excerpt { margin: 0 16px 16px; color: var(--color-steel); font-size: 0.9rem; }

.pagination { margin-top: 32px; display: flex; gap: 8px; justify-content: center; }
.pagination .page-numbers {
	padding: 8px 14px;
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
}
.pagination .page-numbers.current { background: var(--color-navy); color: #fff; border-color: var(--color-navy); }

/* Footer */
.site-footer { background: var(--color-navy); color: var(--color-on-dark-muted); }
.site-footer__inner {
	display: grid;
	grid-template-columns: 1fr;
	gap: 24px;
	padding: 40px 20px;
}
.site-footer__title { color: #fff; font-weight: 700; font-size: 1.1rem; }
.footer-nav__list { display: flex; flex-direction: column; gap: 8px; }
.footer-nav__list a:hover { color: #fff; }
.site-footer__bottom {
	border-top: 1px solid rgba(255,255,255,0.12);
	padding: 16px 20px;
	font-size: 0.85rem;
	text-align: center;
}

/* ===== Breakpoints ===== */
@media (min-width: 640px) {
	.category-grid { grid-template-columns: repeat(2, 1fr); }
	.product-grid { grid-template-columns: repeat(2, 1fr); }
	.post-list { grid-template-columns: repeat(2, 1fr); }
	.hub-toc__list { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
	.nav-toggle { display: none; }
	.primary-nav {
		display: flex !important;
		width: auto;
		flex-basis: auto;
		align-items: center;
		gap: 24px;
	}
	.primary-nav__list {
		flex-direction: row;
		gap: 24px;
	}
	.primary-nav__list a { border-bottom: none; padding: 0; }
	.primary-nav__cta { margin-top: 0; }

	.sub-menu {
		display: none;
		position: absolute;
		top: 100%;
		left: 0;
		margin-top: 12px;
		padding: 8px;
		background: var(--color-navy);
		border-radius: var(--radius);
		min-width: 220px;
		box-shadow: 0 12px 24px rgba(0,0,0,0.25);
		z-index: 20;
	}
	.menu-item-has-children:hover .sub-menu,
	.menu-item-has-children:focus-within .sub-menu { display: flex; }
	.sub-menu a { padding: 8px 12px; white-space: nowrap; }

	.hero__inner { padding: 96px 20px; }
	.hero__title { font-size: 2.75rem; }

	.category-grid { grid-template-columns: repeat(3, 1fr); }
	.product-grid { grid-template-columns: repeat(3, 1fr); }

	.product-detail { grid-template-columns: 1fr 1fr; gap: 48px; }

	.contact-layout { grid-template-columns: 2fr 1fr; }

	.site-footer__inner { grid-template-columns: repeat(2, 1fr); }
	.footer-cols { grid-template-columns: repeat(4, 1fr); }
	.why-us__grid { grid-template-columns: repeat(3, 1fr); }
	.stats-bar__grid { grid-template-columns: repeat(4, 1fr); }
	.app-grid { grid-template-columns: repeat(3, 1fr); }
	.process-steps { grid-template-columns: repeat(4, 1fr); }
	.split { grid-template-columns: 1fr 1fr; align-items: center; gap: 48px; }
	.split--reverse .split__media { order: 2; }
	.size-grid { grid-template-columns: repeat(3, 1fr); }
	.hub-hero { grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
	.hub-highlights { grid-template-columns: repeat(3, 1fr); }
}

/* ===== Section variants ===== */
.section--dark { background: var(--color-navy); color: var(--color-on-dark-muted); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--color-on-dark); }
.section--card { background: var(--color-card); }
.eyebrow {
	display: inline-block;
	font-size: 0.8rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-accent);
	margin-bottom: 0.8em;
}
.lede { font-size: 1.05rem; color: var(--color-steel); max-width: 760px; }

/* Why Us */
.why-us__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 24px;
	margin-top: 32px;
}
.why-us__item {
	background: var(--color-card);
	border-radius: var(--radius);
	padding: 24px;
	border-top: 3px solid var(--color-accent);
}
.why-us__item h3 { font-size: 1.1rem; margin-bottom: 0.5em; }
.why-us__item p { color: var(--color-steel); font-size: 0.92rem; margin: 0; }

/* Stats bar */
.stats-bar { background: var(--color-navy); }
.stats-bar__grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 24px;
	padding: 40px 20px;
	text-align: center;
}
.stats-bar__num { display: block; font-size: 2rem; font-weight: 700; color: var(--color-accent); }
.stats-bar__num--placeholder { color: var(--color-on-dark-muted); font-style: italic; font-weight: 500; }
.stats-bar__label { color: var(--color-on-dark-muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }

/* Certification wall */
.cert-wall {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 24px;
}
.cert-chip {
	padding: 10px 18px;
	border: 1px solid var(--color-border);
	border-radius: 999px;
	font-weight: 600;
	font-size: 0.9rem;
	color: var(--color-steel);
	background: var(--color-card);
}
.cert-chip--placeholder {
	border-style: dashed;
	border-color: var(--color-accent);
	background: transparent;
	color: var(--color-steel-light);
	font-weight: 500;
	font-style: italic;
}

/* Application / scenario grid */
.app-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 24px;
	margin-top: 32px;
}
.app-card {
	background: var(--color-card);
	border-radius: var(--radius);
	overflow: hidden;
	display: flex;
	flex-direction: column;
}
.app-card__media { aspect-ratio: 16/10; background: var(--color-bg-muted); border-bottom: 1px solid var(--color-border); }
.app-card__body { padding: 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.app-card__body h3 { font-size: 1.1rem; margin: 0; }
.app-card__body p { color: var(--color-steel); font-size: 0.9rem; margin: 0; }
.app-card__body .button { margin-top: auto; align-self: flex-start; }

/* Process steps (OEM/ODM) */
.process-steps {
	display: grid;
	grid-template-columns: 1fr;
	gap: 20px;
	margin-top: 32px;
	counter-reset: step;
}
.process-step {
	background: var(--color-card);
	border-radius: var(--radius);
	padding: 24px 20px;
	position: relative;
}
.process-step::before {
	counter-increment: step;
	content: counter(step);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 32px; height: 32px;
	border-radius: 50%;
	background: var(--color-accent);
	color: #fff;
	font-weight: 700;
	margin-bottom: 12px;
}
.process-step h3 { font-size: 1rem; margin-bottom: 0.4em; }
.process-step p { color: var(--color-steel); font-size: 0.88rem; margin: 0; }

/* Split (image + text) layout, reused across product/about/oem heroes */
.split {
	display: grid;
	grid-template-columns: 1fr;
	gap: 32px;
}
.split__media {
	aspect-ratio: 4/3;
	background: var(--color-bg-muted);
	border-radius: var(--radius);
	overflow: hidden;
}
.split__media img { width: 100%; height: 100%; object-fit: cover; }

/* Size series grid (Panel PC) */
.size-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 16px;
	margin-top: 24px;
}
.size-chip {
	background: var(--color-card);
	border-radius: var(--radius);
	padding: 20px;
	text-align: center;
}
.size-chip__num { display: block; font-size: 1.4rem; font-weight: 700; color: var(--color-navy); }
.size-chip__label { font-size: 0.8rem; color: var(--color-steel); }

/* FAQ */
.faq { max-width: 820px; margin-top: 24px; }
.faq__item {
	border-bottom: 1px solid var(--color-border);
	padding: 16px 0;
}
.faq__item summary {
	cursor: pointer;
	font-weight: 600;
	list-style: none;
	display: flex;
	justify-content: space-between;
	gap: 16px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; color: var(--color-accent); font-size: 1.3rem; line-height: 1; }
.faq__item[open] summary::after { content: "\2212"; }
.faq__item p { margin: 12px 0 0; color: var(--color-steel); }

/* Resource hub hero — intro text + "Must Read" highlight cards */
.hub-hero {
	display: grid;
	grid-template-columns: 1fr;
	gap: 32px;
	margin-top: 8px;
}
.hub-hero__intro p { color: var(--color-steel); }
.hub-hero__highlights-title { font-size: 1.1rem; margin-bottom: 1em; }
.hub-highlights {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 12px;
}
.hub-highlight-card {
	display: flex;
	align-items: flex-end;
	justify-content: center;
	text-align: center;
	min-height: 110px;
	padding: 20px 12px 16px;
	clip-path: polygon(0% 0%, 50% 20%, 100% 0%, 100% 100%, 0% 100%);
	color: #fff;
	font-weight: 700;
	font-size: 0.92rem;
	line-height: 1.3;
}
.hub-highlight-card--0 { background: var(--color-navy); }
.hub-highlight-card--1 { background: var(--color-accent); }
.hub-highlight-card--2 { background: var(--color-steel); }
.hub-highlight-card:hover { opacity: 0.88; }

/* Resource hub table of contents — dark jump-nav panel above the cards */
.hub-toc {
	background: var(--color-navy);
	border-radius: var(--radius);
	padding: 32px;
	margin-top: 32px;
}
.hub-toc__title { color: var(--color-on-dark); font-size: 1.4rem; text-align: center; margin-bottom: 1em; }
.hub-toc__list {
	display: grid;
	grid-template-columns: 1fr;
	gap: 4px 32px;
}
.hub-toc__list a {
	display: flex;
	align-items: baseline;
	gap: 12px;
	padding: 10px 4px;
	color: var(--color-on-dark-muted);
	font-weight: 600;
	border-bottom: 1px solid rgba(243, 243, 241, 0.1);
}
.hub-toc__list a:hover { color: var(--color-accent); }
.hub-toc__num { color: var(--color-accent); font-weight: 700; font-size: 1.1rem; }

/* Resource hub (Blog page) — dark hero-style cards with an overlay so a
   real photo can be dropped in later (inline background-image) without
   any markup changes; the gradient alone carries it until then. */
.hub-list {
	display: flex;
	flex-direction: column;
	gap: 24px;
	margin-top: 32px;
}
.hub-section {
	position: relative;
	overflow: hidden;
	border-radius: var(--radius);
	background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
	background-size: cover;
	background-position: center;
}
.hub-section__overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(135deg, rgba(30,30,36,0.92) 0%, rgba(20,20,24,0.88) 100%);
	z-index: 1;
}
.hub-section__content {
	position: relative;
	z-index: 2;
	padding: 36px 32px;
}
.hub-section__number {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 36px;
	height: 36px;
	border-radius: 50%;
	background: var(--color-accent);
	color: #fff;
	font-weight: 700;
	margin-bottom: 14px;
}
.hub-section__title { color: var(--color-on-dark); font-size: 1.3rem; margin-bottom: 0.4em; }
.hub-section__desc { color: var(--color-on-dark-muted); margin-bottom: 1.2em; max-width: 640px; }
.hub-section__links { display: flex; flex-direction: column; gap: 10px; }
.hub-section__links li { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.hub-section__links a { font-weight: 600; color: var(--color-on-dark); }
.hub-section__links a:hover { color: var(--color-accent); }
.hub-soon { color: rgba(243, 243, 241, 0.5); font-style: italic; }
.hub-tag {
	font-size: 0.7rem;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	background: rgba(243, 243, 241, 0.12);
	color: var(--color-on-dark-muted);
	padding: 2px 8px;
	border-radius: 999px;
}

/* Footer columns */
.footer-cols {
	display: grid;
	grid-template-columns: 1fr;
	gap: 32px;
	padding: 48px 20px 24px;
}
.footer-col__title { color: var(--color-on-dark); font-weight: 700; margin-bottom: 1em; font-size: 1rem; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col a:hover { color: var(--color-accent); }
.footer-col p { color: var(--color-on-dark-muted); font-size: 0.9rem; }

/* WhatsApp floating button */
.whatsapp-float {
	position: fixed;
	right: 20px;
	bottom: 20px;
	width: 56px;
	height: 56px;
	border-radius: 50%;
	background: #25D366;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 6px 18px rgba(0,0,0,0.25);
	z-index: 40;
}
.whatsapp-float svg { width: 28px; height: 28px; fill: #fff; }

/* Breadcrumbs */
.breadcrumbs {
	font-size: 0.82rem;
	color: var(--color-steel-light);
	margin-bottom: 1.2em;
}
.breadcrumbs a { color: var(--color-steel-light); }
.breadcrumbs a:hover { color: var(--color-accent); }