/* Gipfelgrat – Shell (Kopfzeile, mobile Navigation, Credits)
   Wird auf ALLEN Seiten geladen, auch auf der Gipfelbuch-App-Seite.
   Deshalb: keine Element-Selektoren (body, a, button, h2 …), nur Klassen
   unterhalb von .site-header / .mobile-nav / .gg-credits. Variablen sind
   mit --gg- geprefixt, damit sie nicht mit den --bg/--accent-Variablen
   der App kollidieren. */

:root {
	--gg-bg: #0b0d10;
	--gg-bg-2: #13161b;
	--gg-bg-3: #1b1f26;
	--gg-line: #2a2f38;
	--gg-text: #f2f4f6;
	--gg-text-2: #a7b0ba;
	--gg-text-3: #767f8c;
	--gg-accent: #0675c4;
	--gg-accent-2: #3a93d8;
	--gg-accent-soft: rgba(6, 117, 196, 0.16);
	--gg-glow: #e0893a;
	--gg-glow-soft: rgba(224, 137, 58, 0.14);
	--gg-header-h: 56px;   /* Inhaltshöhe der Kopfzeile (ohne Safe-Area) */
	--gg-credits-h: 24px;  /* Inhaltshöhe der App-Credits (ohne Safe-Area) */
	/* Safe-Areas (Notch, Dynamic Island, Home-Indikator, Querformat). Außerhalb
	   von iOS/Android-Edge-to-Edge sind alle Werte 0px. */
	--gg-safe-top: env(safe-area-inset-top, 0px);
	--gg-safe-right: env(safe-area-inset-right, 0px);
	--gg-safe-bottom: env(safe-area-inset-bottom, 0px);
	--gg-safe-left: env(safe-area-inset-left, 0px);
	/* Tatsächlich belegte Höhe von Kopfzeile bzw. Credits inkl. Safe-Area –
	   überall dort verwenden, wo etwas unter der Kopfzeile positioniert wird. */
	--gg-header-total: calc(var(--gg-header-h) + var(--gg-safe-top));
	--gg-credits-total: calc(var(--gg-credits-h) + var(--gg-safe-bottom));
	--gg-font: 'Saira', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
	--gg-display: 'Saira Extra Condensed', 'Saira', system-ui, sans-serif;
	--gg-max: 1920px;   /* Inhalt läuft bis 1920px randlos, erst darüber zentriert */
	--gg-gutter: clamp(16px, 3vw, 48px);
	--gg-measure: 1000px; /* Lesebreite für Fließtext (Customizer: 0 = unbegrenzt) */
	--gg-radius: 6px;
}

/* ---------- Kopfzeile ------------------------------------------------- */

.site-header {
	position: sticky;
	top: 0;
	z-index: 1500; /* über der Karte (9) und den Map-Buttons (1000), unter App-Modals (2000+) */
	height: var(--gg-header-total);
	padding-top: var(--gg-safe-top); /* Notch / Statusleiste (PWA, Querformat) */
	background: rgba(11, 13, 16, 0.86);
	-webkit-backdrop-filter: saturate(140%) blur(12px);
	backdrop-filter: saturate(140%) blur(12px);
	border-bottom: 1px solid var(--gg-line);
	font-family: var(--gg-font);
	color: var(--gg-text);
	box-sizing: border-box;
}
.site-header *,
.mobile-nav *,
.gg-credits * { box-sizing: border-box; }

.site-header__inner {
	max-width: var(--gg-max);
	height: var(--gg-header-h);
	margin: 0 auto;
	padding: 0 max(var(--gg-gutter), var(--gg-safe-right)) 0 max(var(--gg-gutter), var(--gg-safe-left));
	display: flex;
	align-items: center;
	gap: 16px;
}

.site-header__brand {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	color: var(--gg-text);
	text-decoration: none;
	font-family: var(--gg-display);
	font-weight: 700;
	font-size: 1.45rem;
	letter-spacing: 0.01em;
	line-height: 1;
	white-space: nowrap;
	flex: 0 0 auto;
	margin: 0;
}
.site-header__brand:hover,
.site-header__brand:focus-visible { color: var(--gg-accent-2); }
.site-header__brand img {
	display: block;
	height: 34px;
	width: auto;
	max-width: 180px;
}
.site-header__brand svg {
	width: 26px;
	height: 26px;
	fill: none;
	stroke: var(--gg-accent-2);
	stroke-width: 2;
	stroke-linejoin: round;
	stroke-linecap: round;
	flex: 0 0 auto;
}

.site-header__nav { flex: 1 1 auto; min-width: 0; }
.site-header__nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	gap: 2px;
	justify-content: flex-end;
}
.site-header__nav li { position: relative; margin: 0; padding: 0; }
.site-header__nav a {
	display: block;
	padding: 8px 12px;
	color: var(--gg-text-2);
	text-decoration: none;
	font-size: 0.95rem;
	font-weight: 500;
	border-radius: var(--gg-radius);
	white-space: nowrap;
	line-height: 1.3;
}
.site-header__nav a:hover,
.site-header__nav a:focus-visible,
.site-header__nav .current-menu-item > a,
.site-header__nav .current_page_item > a,
.site-header__nav .current-menu-ancestor > a {
	color: var(--gg-text);
	background: rgba(255, 255, 255, 0.06);
}
/* Untermenüs (Desktop) */
.site-header__nav li ul {
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 220px;
	flex-direction: column;
	gap: 0;
	padding: 6px;
	background: var(--gg-bg-2);
	border: 1px solid var(--gg-line);
	border-radius: 8px;
	box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
	opacity: 0;
	visibility: hidden;
	transform: translateY(6px);
	transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0.15s;
}
.site-header__nav li:hover > ul,
.site-header__nav li:focus-within > ul {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
	transition-delay: 0s;
}
.site-header__nav li ul a { white-space: normal; }
.site-header__nav li ul ul { top: -6px; left: 100%; }

.site-header__actions {
	display: flex;
	align-items: center;
	gap: 6px;
	flex: 0 0 auto;
	margin-left: auto;
}

.site-header__btn {
	appearance: none;
	-webkit-appearance: none;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	height: 38px;
	min-width: 38px;
	padding: 0 10px;
	margin: 0;
	border: 1px solid transparent;
	border-radius: var(--gg-radius);
	background: transparent;
	color: var(--gg-text-2);
	font: inherit;
	font-size: 0.9rem;
	font-weight: 600;
	line-height: 1;
	cursor: pointer;
	text-decoration: none;
	transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.site-header__btn:hover,
.site-header__btn:focus-visible {
	color: var(--gg-text);
	background: rgba(255, 255, 255, 0.06);
}
.site-header__btn svg {
	width: 20px;
	height: 20px;
	fill: none;
	stroke: currentColor;
	stroke-width: 2;
	stroke-linecap: round;
	stroke-linejoin: round;
	flex: 0 0 auto;
}
.site-header__btn--app {
	color: #fff;
	background: var(--gg-accent);
	border-color: var(--gg-accent);
	padding: 0 14px;
}
.site-header__btn--app:hover,
.site-header__btn--app:focus-visible {
	background: var(--gg-accent-2);
	border-color: var(--gg-accent-2);
	color: #fff;
}
.site-header__btn--app .label { display: none; }
.site-header__btn--menu { display: none; }

/* Suche in der Kopfzeile (ausklappbar) */
.site-header__search {
	position: absolute;
	left: 0;
	right: 0;
	top: 100%;
	display: none;
	padding: 10px max(var(--gg-gutter), var(--gg-safe-right)) 10px max(var(--gg-gutter), var(--gg-safe-left));
	background: var(--gg-bg-2);
	border-bottom: 1px solid var(--gg-line);
}
.site-header__search.is-open { display: block; }
.site-header__search .gg-search,
.mobile-nav .gg-search {
	display: flex;
	max-width: 640px;
	margin: 0 auto;
	border: 1px solid var(--gg-line);
	border-radius: var(--gg-radius);
	background: var(--gg-bg);
	overflow: hidden;
}
.site-header__search .gg-search__field,
.mobile-nav .gg-search__field {
	flex: 1 1 auto;
	min-width: 0;
	appearance: none;
	-webkit-appearance: none;
	border: 0;
	margin: 0;
	padding: 0 14px;
	height: 44px;
	background: transparent;
	color: var(--gg-text);
	font: inherit;
	font-size: 16px; /* kein iOS-Zoom */
	outline: none;
	box-shadow: none;
}
.site-header__search .gg-search__field::placeholder,
.mobile-nav .gg-search__field::placeholder { color: var(--gg-text-3); }
.site-header__search .gg-search__submit,
.mobile-nav .gg-search__submit {
	appearance: none;
	-webkit-appearance: none;
	border: 0;
	margin: 0;
	padding: 0 16px;
	background: var(--gg-accent);
	color: #fff;
	font: inherit;
	font-weight: 600;
	cursor: pointer;
}
.site-header__search .gg-search__submit svg,
.mobile-nav .gg-search__submit svg {
	width: 18px;
	height: 18px;
	fill: none;
	stroke: currentColor;
	stroke-width: 2.2;
	stroke-linecap: round;
	stroke-linejoin: round;
	display: block;
}

/* ---------- Mobile Navigation (Overlay, funktioniert auch bei body{overflow:hidden}) */

.mobile-nav {
	position: fixed;
	inset: var(--gg-header-total) 0 0 0;
	z-index: 1499;
	display: none;
	flex-direction: column;
	gap: 18px;
	padding: 20px max(var(--gg-gutter), var(--gg-safe-right)) calc(24px + var(--gg-safe-bottom)) max(var(--gg-gutter), var(--gg-safe-left));
	background: var(--gg-bg);
	overflow-y: auto;
	overscroll-behavior: contain; /* kein Durchscrollen auf die Seite dahinter */
	-webkit-overflow-scrolling: touch;
	font-family: var(--gg-font);
	color: var(--gg-text);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
}
.mobile-nav li { margin: 0; padding: 0; }
.mobile-nav li a {
	display: block;
	padding: 14px 6px;
	border-bottom: 1px solid var(--gg-line);
	color: var(--gg-text);
	text-decoration: none;
	font-family: var(--gg-display);
	font-size: 1.6rem;
	font-weight: 600;
	line-height: 1.1;
}
.mobile-nav li li a {
	font-family: var(--gg-font);
	font-size: 1rem;
	font-weight: 500;
	color: var(--gg-text-2);
	padding: 10px 6px 10px 22px;
}
.mobile-nav .mobile-nav__app {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	padding: 14px;
	border-radius: var(--gg-radius);
	background: var(--gg-accent);
	color: #fff;
	text-decoration: none;
	font-weight: 600;
	font-size: 1.05rem;
}
.mobile-nav .mobile-nav__app svg {
	width: 22px;
	height: 22px;
	fill: none;
	stroke: currentColor;
	stroke-width: 2;
	stroke-linejoin: round;
	stroke-linecap: round;
}
.mobile-nav .social-menu { display: flex; gap: 8px; flex-wrap: wrap; }
.mobile-nav .social-menu a {
	border: 1px solid var(--gg-line);
	border-radius: 999px;
	padding: 8px 14px;
	font: inherit;
	font-size: 0.9rem;
	color: var(--gg-text-2);
}

/* Admin-Bar */
.admin-bar .site-header { top: 32px; }
.admin-bar .mobile-nav { top: calc(var(--gg-header-total) + 32px); }
@media (max-width: 782px) {
	.admin-bar .site-header { top: 46px; }
	.admin-bar .mobile-nav { top: calc(var(--gg-header-total) + 46px); }
}

/* ---------- Credits der App-Seite (schmale Fußzeile) ------------------- */

.gg-credits {
	box-sizing: border-box;
	height: var(--gg-credits-total);
	/* Home-Indikator (iOS) bzw. Gesten-Leiste (Android) nicht überdecken lassen */
	padding: 0 max(14px, var(--gg-safe-right)) var(--gg-safe-bottom) max(14px, var(--gg-safe-left));
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 14px;
	background: var(--gg-bg);
	border-top: 1px solid var(--gg-line);
	font-family: var(--gg-font);
	font-size: 11px;
	letter-spacing: 0.04em;
	color: var(--gg-text-2);
}
.gg-credits a { color: var(--gg-text-2); text-decoration: none; }
.gg-credits a:hover { color: var(--gg-accent-2); }

/* ---------- Breakpoints ------------------------------------------------ */

@media (min-width: 900px) {
	.site-header__btn--app .label { display: inline; }
}
@media (max-width: 899px) {
	.site-header__nav { display: none; }
	.site-header__btn--menu { display: inline-flex; }
	/* Credits im Querformat / bei schmalen Geräten nicht umbrechen lassen */
	.gg-credits { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}

.site-header .screen-reader-text,
.mobile-nav .screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
	.site-header__nav li ul,
	.site-header__btn { transition: none; }
}