/* =========================================================================
   Top bar, header (transparent over hero / solid), navigation, mobile menu, footer
   Breakpoints (not defined by the design, decided here):
     ≥1100 desktop nav · 768–1099 tablet (burger) · <768 mobile
   ========================================================================= */

/* ------------------------------------------------------------------ top bar */
.csi-topbar {
	position: relative;
	z-index: 61;
	background: var(--csi-green);
	color: var(--csi-white);
	font-size: 13px;
	border-bottom: 1px solid rgba(29, 39, 43, 0.08);
}
.csi-topbar__inner {
	display: flex;
	align-items: center;
	gap: 24px;
	min-height: var(--csi-topbar-h);
	padding-block: 9px;
}
.csi-topbar__registry {
	display: inline-flex; align-items: center; gap: 8px;
	color: var(--csi-white);
}
.csi-topbar__registry img { height: 17px; width: auto; }
.csi-topbar__registry:hover { color: var(--csi-dark); }
.csi-topbar__tools { margin-left: auto; display: flex; align-items: center; gap: 24px; }

.csi-search {
	display: flex; align-items: center; gap: 7px;
	width: 200px;
	padding: 5px 13px;
	background: var(--csi-white);
	border: 1px solid rgba(29, 39, 43, 0.12);
	color: var(--csi-text-3);
	transition: border-color var(--csi-t-fast);
}
.csi-search:focus-within { border-color: var(--csi-green); }
.csi-search__icon { width: 14px; height: 14px; flex: 0 0 auto; }
.csi-search__input {
	width: 100%;
	border: 0; outline: none; background: transparent;
	font-family: var(--csi-font-body);
	font-size: 13px;
	color: var(--csi-dark);
}
.csi-search__input::placeholder { color: var(--csi-text-3); }
.csi-search__input::-webkit-search-cancel-button { display: none; }

.csi-lang ul { list-style: none; display: flex; gap: 4px; padding: 3px; background: var(--csi-white); }
.csi-lang__item {
	display: block;
	padding: 4px 12px;
	font-size: 12.5px; font-weight: 600; letter-spacing: 0.04em;
	color: var(--csi-text-2);
	line-height: 1.5;
}
.csi-lang a.csi-lang__item:hover { background: var(--csi-green-tint); color: var(--csi-green); }
.csi-lang__item.is-active { background: var(--csi-green); color: var(--csi-white); }

/* ------------------------------------------------------------------ header */
.csi-header {
	position: sticky;
	top: 0;
	z-index: 60;
}
.csi-header__bar {
	background: var(--csi-dark);
	transition: background 0.35s, box-shadow 0.35s;
}
.csi-header__inner {
	display: flex;
	align-items: center;
	gap: 24px;
	min-height: var(--csi-header-h);
	padding-block: 18px;
}
.csi-header__logo { flex: 0 0 auto; display: flex; }
.csi-header__logo img { height: 38px; width: auto; }
.csi-header__cta { flex: 0 0 auto; padding: 12px 22px; font-size: 14.5px; }

/* transparent variant: the bar floats over the hero until the page scrolls */
.csi-header--transparent { height: 0; display: flow-root; }
.csi-header--transparent .csi-header__bar { background: transparent; }
.csi-header--transparent .csi-nav__link { text-shadow: 0 1px 10px rgba(0, 0, 0, 0.25); }
.csi-header.is-scrolled .csi-header__bar {
	background: var(--csi-dark);
	box-shadow: 0 10px 30px -18px rgba(0, 0, 0, 0.6);
}
.csi-header.is-scrolled .csi-nav__link { text-shadow: none; }
.admin-bar .csi-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .csi-header { top: 0; } }

/* ------------------------------------------------------------------ desktop navigation */
.csi-nav { flex: 1 1 0%; display: flex; justify-content: center; }
.csi-nav__list { list-style: none; display: flex; align-items: center; gap: 2px; }
.csi-nav__item { position: relative; display: flex; align-items: center; }
.csi-nav__link {
	display: inline-flex; align-items: center; gap: 6px;
	padding: 10px 14px;
	border: 0; background: transparent;
	font-family: var(--csi-font-display);
	font-size: 14.5px; font-weight: 500;
	line-height: 1.6;
	color: var(--csi-white);
	transition: background var(--csi-t-fast), color var(--csi-t-fast);
}
.csi-nav__link:hover,
.csi-nav__link:focus-visible,
.csi-nav__toggle[aria-expanded="true"] { background: rgba(255, 255, 255, 0.12); color: var(--csi-white); }
/* current item: 2 px green line inset 14 px under the label (design: Standards page) */
.csi-nav__link { position: relative; }
.csi-header .csi-nav__item:not(.csi-nav__item--sub).is-current > .csi-nav__link::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px; background: var(--csi-green); }
.csi-nav__chevron { width: 16px; height: 16px; transition: transform var(--csi-t-fast); }
.csi-nav__toggle[aria-expanded="true"] .csi-nav__chevron { transform: rotate(180deg); }
.csi-nav__toggle--icon { padding: 10px 6px 10px 0; margin-left: -10px; border: 0; background: transparent; color: var(--csi-white); display: inline-flex; }
/* desktop: link + chevron of an open parent share one background (no double layer where they overlap) */
.csi-header .csi-nav__item--parent:has(> .csi-nav__toggle--icon).is-open { background: rgba(255, 255, 255, 0.12); }
.csi-header .csi-nav__item--parent.is-open > .csi-nav__link,
.csi-header .csi-nav__item--parent > .csi-nav__toggle--icon[aria-expanded="true"] { background: transparent; }

.csi-nav__sub {
	list-style: none;
	position: absolute;
	top: calc(100% + 8px);
	left: 0;
	min-width: 260px;
	padding: 8px;
	background: var(--csi-white);
	box-shadow: 0 24px 50px -28px rgba(29, 39, 43, 0.6);
	opacity: 0; visibility: hidden;
	transform: translateY(-4px);
	transition: opacity var(--csi-t-fast), transform var(--csi-t-fast), visibility var(--csi-t-fast);
}
.csi-nav__item.is-open > .csi-nav__sub { opacity: 1; visibility: visible; transform: none; }
/* final homepage design (08.10.2026): no dropdown chevrons in the desktop header; keyboard users open
   the dropdown by focusing the parent link (then Tab moves into it) */
.csi-header .csi-nav__toggle--icon,
.csi-header .csi-nav__chevron { display: none; }
.csi-header .csi-nav__item--parent:focus-within > .csi-nav__sub { opacity: 1; visibility: visible; transform: none; }
.csi-nav__sublink {
	display: block;
	padding: 10px 14px;
	color: var(--csi-dark);
	text-shadow: none !important;
	font-size: 14.5px;
}
.csi-nav__sublink:hover,
.csi-nav__sublink:focus-visible { background: rgba(29, 39, 43, 0.06); color: var(--csi-green); }

.csi-header__burger {
	display: none;
	width: 46px; height: 46px;
	margin-left: auto;
	align-items: center; justify-content: center;
	border: 1px solid rgba(255, 255, 255, 0.35);
	background: rgba(29, 39, 43, 0.25);
	color: var(--csi-white);
	transition: border-radius var(--csi-t-radius), background var(--csi-t-fast);
}
.csi-header__burger:hover { border-radius: var(--csi-radius-hover); background: rgba(255, 255, 255, 0.16); }
.csi-header__burger-close { display: none; }
.csi-header__burger[aria-expanded="true"] .csi-header__burger-open { display: none; }
.csi-header__burger[aria-expanded="true"] .csi-header__burger-close { display: inline-flex; }

/* desktop dropdown (design: Standards page) — dark rounded panel, 12 px hover bridge to the label */
.csi-header .csi-nav__sub {
	top: calc(100% + 12px);
	display: flex; flex-direction: column; gap: 2px;
	padding: 8px;
	background: var(--csi-dark);
	border: 1px solid rgba(255, 255, 255, 0.12);
	border-radius: 20px;
	box-shadow: 0 30px 60px -24px rgba(0, 0, 0, 0.7);
}
.csi-header .csi-nav__sub::before { content: ""; position: absolute; left: 0; right: 0; top: -13px; height: 13px; }
.csi-header .csi-nav__sublink {
	flex: 1 1 auto; /* full row width inside the flex <li> */
	padding: 10px 14px;
	border-radius: 12px;
	font-family: var(--csi-font-body);
	font-size: 15px; font-weight: 400;
	color: rgba(255, 255, 255, 0.86);
	transition: background var(--csi-t-fast), color var(--csi-t-fast);
}
.csi-header .csi-nav__sublink:hover,
.csi-header .csi-nav__sublink:focus-visible,
.csi-header .csi-nav__sublink[aria-current="page"] { background: rgba(46, 151, 81, 0.22); color: var(--csi-white); }

/* ------------------------------------------------------------------ burger menu (below 1100px, design v7) */
.csi-mobile-menu {
	position: fixed; inset: 0; z-index: 120;
	display: flex; flex-direction: column;
	background: var(--csi-dark);
	color: var(--csi-white);
	overflow-y: auto;
	overscroll-behavior: contain;
}
.csi-mobile-menu[hidden] { display: none; }
.csi-mobile-menu__head {
	display: flex; align-items: center; justify-content: space-between; gap: 16px;
	padding: 14px var(--csi-gutter);
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.csi-mobile-menu__logo img { display: block; height: 32px; width: auto; }
.csi-mobile-menu__close {
	flex: 0 0 auto;
	width: 46px; height: 46px;
	display: flex; align-items: center; justify-content: center;
	border: 1px solid rgba(255, 255, 255, 0.3);
	background: transparent;
	color: var(--csi-white);
	transition: background var(--csi-t-fast), color var(--csi-t-fast), border-radius var(--csi-t-radius);
}
.csi-mobile-menu__close svg { width: 20px; height: 20px; }
.csi-mobile-menu__close:hover,
.csi-mobile-menu__close:focus-visible { background: var(--csi-white); color: var(--csi-dark); border-radius: var(--csi-radius-hover); }
.csi-nav--mobile { display: block; padding: 8px var(--csi-gutter); }
.csi-nav__list--mobile { flex-direction: column; align-items: stretch; gap: 0; }
.csi-nav__list--mobile .csi-nav__item { display: flex; flex-wrap: wrap; align-items: center; column-gap: 12px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.csi-nav__list--mobile .csi-nav__link {
	flex: 1 1 0%;
	justify-content: flex-start;
	padding: 18px 0;
	background: transparent;
	font-family: var(--csi-font-display);
	font-weight: 500;
	font-size: 22px;
	letter-spacing: -0.02em;
	text-align: left;
	color: var(--csi-white);
}
.csi-nav__list--mobile .csi-nav__link:hover,
.csi-nav__list--mobile .csi-nav__link:focus-visible { background: transparent; color: var(--csi-green-light); }
.csi-nav__list--mobile .csi-nav__toggle--label[aria-expanded="true"]:not(:hover) { color: var(--csi-white); }
.csi-nav__list--mobile .csi-nav__toggle--icon {
	flex: 0 0 auto;
	width: 44px; height: 44px;
	margin: 0; padding: 0;
	display: flex; align-items: center; justify-content: center;
	border: 1px solid rgba(255, 255, 255, 0.2);
	background: transparent;
	color: var(--csi-white);
	font-size: 20px; line-height: 1;
	transition: background var(--csi-t-fast), border-radius var(--csi-t-radius);
}
.csi-nav__list--mobile .csi-nav__toggle--icon:hover,
.csi-nav__list--mobile .csi-nav__toggle--icon:focus-visible { border-radius: var(--csi-radius-hover); }
.csi-nav__list--mobile .csi-nav__toggle--icon[aria-expanded="true"] { background: var(--csi-green); color: var(--csi-white); }
.csi-nav__pm::before { content: "+"; }
[aria-expanded="true"] > .csi-nav__pm::before { content: "\2212"; }
.csi-nav__list--mobile .csi-nav__sub {
	position: static;
	flex: 0 0 100%;
	min-width: 0;
	padding: 0 0 18px;
	background: transparent;
	box-shadow: none;
	opacity: 1; visibility: visible; transform: none;
	display: none;
	flex-direction: column; gap: 2px;
}
.csi-nav__list--mobile .csi-nav__item.is-open > .csi-nav__sub { display: flex; }
.csi-nav__list--mobile .csi-nav__item--sub { display: block; border: 0; }
.csi-nav__list--mobile .csi-nav__sublink {
	display: block;
	padding: 12px 14px;
	font-family: var(--csi-font-body);
	font-weight: 400;
	font-size: 16px;
	letter-spacing: 0;
	color: rgba(255, 255, 255, 0.86);
	background: rgba(255, 255, 255, 0.04);
}
.csi-nav__list--mobile .csi-nav__sublink:hover,
.csi-nav__list--mobile .csi-nav__sublink:focus-visible { background: rgba(46, 151, 81, 0.22); color: var(--csi-white); }
.csi-mobile-menu__tools {
	margin-top: auto;
	padding: 28px var(--csi-gutter) 32px;
	display: flex; flex-direction: column; gap: 12px;
}
.csi-mobile-menu__tools .csi-search { width: 100%; gap: 10px; padding: 14px 16px; background: var(--csi-white); border: 0; }
.csi-mobile-menu__tools .csi-search__icon { width: 16px; height: 16px; color: #56636A; }
.csi-mobile-menu__tools .csi-search__input { font-size: 16px; color: var(--csi-dark); }
.csi-mobile-menu__cta { display: flex; width: 100%; justify-content: space-between; padding: 16px 20px; font-size: 16px; }
body.csi-menu-open { overflow: hidden; }

@media (max-width: 1099px) {
	.csi-header > .csi-header__bar .csi-nav,
	.csi-header__cta { display: none; }
	.csi-header__burger { display: inline-flex; }
	.csi-topbar__tools .csi-search { display: none; }
}
@media (min-width: 1100px) {
	.csi-mobile-menu { display: none !important; }
}
@media (max-width: 720px) {
	.csi-topbar__inner { gap: 12px; min-height: 40px; padding-block: 8px; }
	.csi-topbar { font-size: 12.5px; }
	.csi-topbar__tools { gap: 12px; }
	.csi-header__inner { padding-block: 12px; }
	.csi-header__logo img { height: 30px; }
	.csi-header__burger { width: 44px; height: 44px; }
}

/* ------------------------------------------------------------------ footer */
.csi-footer {
	background: var(--csi-grey);
	color: var(--csi-text-3);
	padding: 96px 40px 40px;
}
.csi-footer__inner { max-width: var(--csi-container); margin-inline: auto; }
.csi-footer__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 48px;
}
.csi-footer__logo { height: 46px; width: auto; }
.csi-footer__address { margin-top: 26px; font-size: 15px; line-height: 1.85; color: var(--csi-text-2); }
.csi-footer__contact { color: var(--csi-text-2); }
.csi-footer__contact--mail { color: var(--csi-dark); border-bottom: 1px solid var(--csi-green); }
.csi-footer__contact:hover { color: var(--csi-green); }
.csi-footer__social {
	list-style: none;
	display: flex; gap: 18px;
	margin-top: 24px;
	font-family: var(--csi-font-display);
	font-size: 11.5px; letter-spacing: var(--csi-tracking-caps-wide); text-transform: uppercase;
}
.csi-footer__social a { color: var(--csi-dark); }
.csi-footer__social a:hover { color: var(--csi-green); }
/* LinkedIn / YouTube as 40 px dark squares (final homepage design 08.10.2026) */
.csi-footer__social:has(.csi-footer__social-link--icon) { gap: 12px; }
.csi-footer__social .csi-footer__social-link--icon {
	width: 40px; height: 40px;
	display: flex; align-items: center; justify-content: center;
	background: var(--csi-dark); color: var(--csi-white);
	transition: background var(--csi-t-fast), border-radius var(--csi-t-radius);
}
.csi-footer__social .csi-footer__social-link--icon:hover,
.csi-footer__social .csi-footer__social-link--icon:focus-visible { background: var(--csi-green); color: var(--csi-white); border-radius: var(--csi-radius-hover); }
.csi-footer__title {
	font-family: var(--csi-font-display);
	font-weight: 500;
	font-size: 11.5px;
	letter-spacing: 0.24em;
	text-transform: uppercase;
	line-height: 1.6;
	color: var(--csi-dark);
}
.csi-footer__links { list-style: none; margin-top: 20px; display: flex; flex-direction: column; gap: 12px; }
.csi-footer__links a { font-size: 15px; color: var(--csi-text-2); line-height: 1.6; }
.csi-footer__links a:hover { color: var(--csi-green); }
.csi-footer__badge { display: inline-block; margin-top: 20px; }
.csi-footer__badge-img { height: 52px; width: auto; }
.csi-footer__bottom {
	margin-top: 72px;
	padding-top: 24px;
	border-top: 1px solid var(--csi-line);
	display: flex; flex-wrap: wrap; align-items: center; gap: 12px 26px;
	font-size: 13px;
}
.csi-footer__legal-links { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 26px; }
.csi-footer__legal-links a,
.csi-footer__copy { color: var(--csi-text-3); }
.csi-footer__legal-links a:hover { color: var(--csi-green); }
.csi-footer__cookies { all: unset; cursor: pointer; color: var(--csi-text-3); }
.csi-footer__cookies:hover { color: var(--csi-green); }
.csi-footer__cookies:focus-visible { outline: 2px solid var(--csi-green); outline-offset: 3px; }

/* Cookie consent (inc/consent.php; Home v7 "cookie" box, floating bottom left) */
.csi-consent {
	position: fixed; left: 24px; bottom: 24px; z-index: 90;
	max-width: 430px;
	background: var(--csi-white); color: var(--csi-dark);
	padding: 26px 28px;
	box-shadow: 0 30px 70px -24px rgba(29, 39, 43, 0.55);
}
.csi-consent[hidden] { display: none; }
.csi-consent__title { margin: 0; font-family: var(--csi-font-display); font-weight: 600; font-size: 17px; line-height: 1.3; }
.csi-consent__text { margin: 8px 0 0; font-size: 15px; line-height: 1.55; color: var(--csi-text-3); }
.csi-consent__text a { color: var(--csi-dark); text-decoration: underline; text-underline-offset: 2px; }
.csi-consent__text a:hover { color: var(--csi-green); }
.csi-consent__actions { display: flex; gap: 10px; margin-top: 18px; }
/* two equal choices: same size, same weight */
.csi-consent__btn {
	flex: 1 1 0;
	background: var(--csi-green); color: var(--csi-white);
	border: 0; border-radius: 0;
	font-family: var(--csi-font-display); font-weight: 500; font-size: 15px; line-height: 1.2;
	padding: 12px 16px; cursor: pointer;
	transition: background var(--csi-t-fast) var(--csi-ease), border-radius var(--csi-t-radius) var(--csi-ease);
}
.csi-consent__btn:hover { background: var(--csi-dark); border-radius: var(--csi-radius-hover); }
.csi-consent__btn:focus-visible { outline: 2px solid var(--csi-dark); outline-offset: 2px; }
@media (max-width: 720px) {
	.csi-consent { left: 12px; right: 12px; bottom: 12px; max-width: none; padding: 20px; }
}
@media (max-width: 380px) {
	.csi-consent__actions { flex-direction: column; }
}
.csi-footer__top {
	margin-left: auto;
	display: inline-flex; align-items: center; gap: 8px;
	font-family: var(--csi-font-display);
	font-size: 11.5px; letter-spacing: var(--csi-tracking-caps-wide); text-transform: uppercase;
	color: var(--csi-dark);
}
.csi-footer__top svg { width: 14px; height: 14px; }
/* Company / Service / Transparency: plain columns from 721px, accordions on mobile (main.js) */
.csi-footer__toggle {
	all: unset;
	display: flex; align-items: center; justify-content: space-between; gap: 12px;
	width: 100%;
	font: inherit; letter-spacing: inherit; text-transform: inherit; color: inherit;
	cursor: default; pointer-events: none;
}
.csi-footer__pm { display: none; }
/* tablet: all four columns in one row */
@media (min-width: 721px) and (max-width: 1024px) {
	.csi-footer { padding: 72px var(--csi-gutter) 32px; }
	.csi-footer__grid { grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr)); gap: 24px; }
	.csi-footer__address, .csi-footer__links a { font-size: 14px; }
	.csi-footer__contact--mail { overflow-wrap: anywhere; }
	.csi-footer__logo { height: 40px; }
	.csi-footer__bottom { margin-top: 56px; }
}
@media (max-width: 720px) {
	/* footer on phones: brand block, then Company / Service / Transparency as accordions (design v7) */
	.csi-footer { padding: 72px var(--csi-gutter) 32px; }
	.csi-footer__grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
	.csi-footer__col--brand { padding-bottom: 36px; }
	.csi-footer__col--fold { border-top: 1px solid rgba(29, 39, 43, 0.14); }
	.csi-footer__col--fold.is-open { border-top: 2px solid var(--csi-green); }
	.csi-footer__toggle { min-height: 64px; box-sizing: border-box; padding: 16px 0; cursor: pointer; pointer-events: auto; }
	.csi-footer__toggle:focus-visible { outline: 2px solid var(--csi-green); outline-offset: 2px; }
	.csi-footer__col--fold.is-open .csi-footer__toggle { color: var(--csi-green); }
	.csi-footer__pm {
		display: flex; flex: 0 0 auto;
		width: 36px; height: 36px;
		align-items: center; justify-content: center;
		border: 1px solid rgba(29, 39, 43, 0.12);
		background: var(--csi-white);
		color: var(--csi-dark);
		font-size: 20px; letter-spacing: 0; line-height: 1;
	}
	.csi-footer__pm::before { content: "+"; }
	.csi-footer__col--fold.is-open .csi-footer__pm { background: var(--csi-green); border-color: var(--csi-green); color: var(--csi-white); }
	.csi-footer__col--fold.is-open .csi-footer__pm::before { content: "\2212"; }
	.csi-footer__panel { padding-bottom: 24px; }
	.csi-footer__panel > :first-child { margin-top: 0; }
	.csi-footer__panel .csi-footer__links a { color: var(--csi-dark); }
	.csi-footer--js .csi-footer__col--fold:not(.is-open) .csi-footer__panel { display: none; }
	.csi-footer__bottom { margin-top: 40px; }
	.csi-footer__top { margin-left: auto; }
}

/* ------------------------------------------------------------------ plain pages (fallback) */
.csi-plain__inner { max-width: 860px; }
.csi-plain__title { font-size: clamp(32px, 4vw, 52px); letter-spacing: -0.04em; margin-bottom: 32px; }
.csi-plain__media { margin-bottom: 32px; }
.csi-plain__list { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.csi-plain__list a { font-family: var(--csi-font-display); font-weight: 600; font-size: 20px; color: var(--csi-dark); }
.csi-plain__list a:hover { color: var(--csi-green); }
.csi-plain__list p { color: var(--csi-text-3); margin-top: 4px; }