/* ==========================================================================
   Gesamtschule Otto Lilienthal - Main Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
	/* Colors */
	--color-white: #ffffff;
	--color-black: #000000;
	--color-gray: #a6a6a6;
	--color-light-gray: #d8dbd8;
	--color-green: #4c9e49;
	--color-overlay: rgba(216, 219, 216, 0.79);

	/* Fonts */
	--font-headline: "Josefin Sans", sans-serif;
	--font-body: "Bitter", serif;

	/* Font sizes - Desktop */
	--fs-h1-huge: 64px;
	--fs-h1: 48px;
	--fs-h2: 36px;
	--fs-h3: 24px;
	--fs-body: 18px;

	/* Spacing */
	--spacing-xs: 8px;
	--spacing-sm: 16px;
	--spacing-md: 24px;
	--spacing-lg: 40px;
	--spacing-xl: 64px;
	--spacing-2xl: 80px;

	/* Layout */
	--container-width: 1200px;
	--header-height: 80px;
}

/* --------------------------------------------------------------------------
   2. Reset / Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
}

body {
	font-family: var(--font-body);
	font-size: var(--fs-body);
	font-weight: 400;
	line-height: 1.6;
	color: var(--color-black);
	background-color: var(--color-white);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

a {
	color: inherit;
	text-decoration: none;
}

ul,
ol {
	list-style: none;
}

button {
	cursor: pointer;
	border: none;
	background: none;
	font-family: inherit;
}

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
	font-family: var(--font-headline);
	font-weight: 700;
	line-height: 1.2;
	margin-bottom: 0.5em;
}

h1 {
	font-size: var(--fs-h1);
}

h1.hero__title {
	font-size: var(--fs-h1-huge);
}

h2 {
	font-size: var(--fs-h2);
}

h3,
h4,
h5,
h6 {
	font-size: var(--fs-h3);
}

p {
	margin-bottom: 1em;
}

p:last-child {
	margin-bottom: 0;
}

.text-align-center {
	text-align: center;
}

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn {
	display: inline-block;
	padding: 12px 32px;
	font-family: var(--font-headline);
	font-size: 16px;
	font-weight: 700;
	line-height: 1.4;
	text-align: center;
	text-decoration: none;
	border: 2px solid transparent;
	border-radius: 0;
	transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
	cursor: pointer;
}

.btn--primary {
	background-color: var(--color-black);
	color: var(--color-white);
	border-color: var(--color-black);
}

.btn--primary:hover,
.btn--primary:focus {
	background-color: #333;
	border-color: #333;
}

.btn--secondary {
	background-color: var(--color-white);
	color: var(--color-black);
	border-color: var(--color-black);
}

.btn--secondary:hover,
.btn--secondary:focus {
	background-color: var(--color-black);
	color: var(--color-white);
}

/* --------------------------------------------------------------------------
   5. Layout Utilities
   -------------------------------------------------------------------------- */
.container {
	width: 100%;
	max-width: var(--container-width);
	margin-left: auto;
	margin-right: auto;
	padding-left: var(--spacing-md);
	padding-right: var(--spacing-md);
}

.section {
	padding-top: var(--spacing-xl);
	padding-bottom: var(--spacing-xl);
}

.section--white {
	background-color: var(--color-white);
}

.section--gray {
	background-color: var(--color-light-gray);
}

.grid {
	display: grid;
	gap: var(--spacing-md);
}

.grid--2 {
	grid-template-columns: repeat(2, 1fr);
}

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

.flex {
	display: flex;
}

.flex--center {
	align-items: center;
	justify-content: center;
}

.flex--between {
	align-items: center;
	justify-content: space-between;
}

/* --------------------------------------------------------------------------
   6. Site Header
   -------------------------------------------------------------------------- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 1000;
	background-color: var(--color-white);
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	max-width: var(--container-width);
	margin: 0 auto;
	padding: var(--spacing-sm) var(--spacing-md);
	min-height: var(--header-height);
}

.site-header__brand {
	display: flex;
	align-items: center;
	gap: var(--spacing-sm);
	text-decoration: none;
	color: var(--color-black);
	flex-shrink: 0;
}

.site-header__logo {
	width: 102px;
	height: auto;
}

.site-header__title {
	font-family: var(--font-headline);
	font-size: 16px;
	font-weight: 700;
	line-height: 1.3;
	max-width: 260px;
}

/* --------------------------------------------------------------------------
   7. Navigation
   -------------------------------------------------------------------------- */
.site-nav {
	display: flex;
	align-items: center;
	gap: var(--spacing-lg);
}

.nav-menu {
	display: flex;
	align-items: center;
	gap: 0;
}

.nav-menu__item {
	position: relative;
}

.nav-menu__link {
	display: flex;
	align-items: center;
	gap: 4px;
	padding: 8px 16px;
	font-family: var(--font-headline);
	font-size: 15px;
	font-weight: 400;
	color: var(--color-black);
	text-decoration: none;
	white-space: nowrap;
	transition: color 0.2s ease;
}

.nav-menu__link:hover,
.nav-menu__link:focus,
.nav-menu__link--active {
	color: var(--color-green);
}

.nav-menu__link .dropdown-arrow {
	width: 10px;
	height: 10px;
	fill: currentColor;
	transition: transform 0.2s ease;
	flex-shrink: 0;
}

/* Dropdown */
.nav-menu__submenu {
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 240px;
	background-color: var(--color-white);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
	opacity: 0;
	visibility: hidden;
	transform: translateY(-4px);
	transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
	z-index: 100;
}

.nav-menu__item:hover > .nav-menu__submenu,
.nav-menu__item:focus-within > .nav-menu__submenu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.nav-menu__submenu .nav-menu__link {
	padding: 10px 20px;
	font-size: 14px;
}

.nav-menu__submenu .nav-menu__link:hover {
	background-color: var(--color-light-gray);
}

/* Third level */
.nav-menu__submenu .nav-menu__submenu {
	top: 0;
	left: 100%;
}

/* Secondary nav */
.nav-secondary {
	display: flex;
	align-items: center;
	gap: var(--spacing-xs);
}

.nav-secondary .btn {
	padding: 8px 20px;
	font-size: 14px;
}

/* Mobile toggle */
.nav-toggle {
	display: none;
	flex-direction: column;
	gap: 5px;
	padding: 8px;
	background: none;
	border: none;
	cursor: pointer;
	z-index: 1001;
}

.nav-toggle__bar {
	display: block;
	width: 24px;
	height: 2px;
	background-color: var(--color-black);
	transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle--active .nav-toggle__bar:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.nav-toggle--active .nav-toggle__bar:nth-child(2) {
	opacity: 0;
}

.nav-toggle--active .nav-toggle__bar:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav overlay */
.nav-mobile-overlay {
	display: none;
	position: fixed;
	top: var(--header-height);
	left: 0;
	right: 0;
	bottom: 0;
	background-color: var(--color-white);
	overflow-y: auto;
	z-index: 999;
	padding: var(--spacing-md);
}

.nav-mobile-overlay--active {
	display: block;
}

.nav-mobile-overlay .nav-menu {
	flex-direction: column;
	align-items: stretch;
	gap: 0;
}

.nav-mobile-overlay .nav-menu__link {
	padding: 14px 16px;
	font-size: 18px;
	border-bottom: 1px solid var(--color-light-gray);
	justify-content: space-between;
}

.nav-mobile-overlay .nav-menu__submenu {
	position: static;
	opacity: 1;
	visibility: visible;
	transform: none;
	box-shadow: none;
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.3s ease;
	background-color: #f5f5f5;
}

.nav-mobile-overlay .nav-menu__submenu--open {
	max-height: 1000px;
}

.nav-mobile-overlay .nav-menu__submenu .nav-menu__link {
	padding-left: 32px;
	font-size: 16px;
}

.nav-mobile-overlay .nav-menu__submenu .nav-menu__submenu .nav-menu__link {
	padding-left: 48px;
	font-size: 15px;
}

/* --------------------------------------------------------------------------
   8. Footer
   -------------------------------------------------------------------------- */
.site-footer {
	background-color: var(--color-white);
	border-top: 1px solid var(--color-light-gray);
	padding: var(--spacing-lg) 0;
}

.site-footer__inner {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--spacing-md);
}

.footer-menu {
	display: flex;
	align-items: center;
	gap: var(--spacing-md);
}

.footer-menu__link {
	font-family: var(--font-headline);
	font-size: 14px;
	color: var(--color-gray);
	text-decoration: none;
	transition: color 0.2s ease;
}

.footer-menu__link:hover {
	color: var(--color-black);
}

/* --------------------------------------------------------------------------
   9. Hero Section
   -------------------------------------------------------------------------- */
.hero {
	position: relative;
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
	background-color: var(--color-light-gray);
}

.hero--short {
	min-height: 60vh;
}

.hero__image {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	z-index: 1;
}

.hero__overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: var(--color-overlay);
	z-index: 2;
}

.hero__content {
	position: relative;
	z-index: 3;
	text-align: center;
	padding: var(--spacing-xl) var(--spacing-md);
	max-width: 800px;
}

.hero__content p {
	font-size: var(--fs-body);
	margin-bottom: var(--spacing-sm);
}

.hero__content h1,
.hero__content h2 {
	margin-bottom: var(--spacing-sm);
}

.hero__cta {
	margin-top: var(--spacing-md);
}

/* Slideshow hero (image only, no overlay) */
.hero--slideshow {
	min-height: 0;
}

.hero--slideshow .hero__image {
	position: relative;
}

/* --------------------------------------------------------------------------
   10. Content Sections (About blocks)
   -------------------------------------------------------------------------- */
.content-section {
	padding: var(--spacing-xl) 0;
}

.content-section__inner {
	max-width: var(--container-width);
	margin: 0 auto;
	padding: 0 var(--spacing-md);
}

/* Layout: Text + Image side by side */
.content-section--split {
	display: flex;
	align-items: center;
	gap: var(--spacing-xl);
}

.content-section--split .content-section__text {
	flex: 1;
}

.content-section--split .content-section__image {
	flex: 1;
	max-width: 50%;
}

.content-section--split .content-section__image img {
	width: 100%;
	height: auto;
}

/* Layout: Centered text */
.content-section--centered {
	text-align: center;
	max-width: 800px;
	margin: 0 auto;
	padding: 0 var(--spacing-md);
}

.content-section__heading {
	margin-bottom: var(--spacing-md);
}

.content-section__text {
	margin-bottom: var(--spacing-md);
}

.content-section__text p {
	line-height: 1.7;
}

.content-section__cta {
	margin-top: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   11. Card Grid (News / Columns)
   -------------------------------------------------------------------------- */
.card-grid {
	padding: var(--spacing-xl) 0;
}

.card-grid__heading {
	text-align: center;
	margin-bottom: var(--spacing-lg);
}

.card-grid__items {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--spacing-md);
	max-width: var(--container-width);
	margin: 0 auto;
	padding: 0 var(--spacing-md);
}

.card {
	background-color: var(--color-white);
	overflow: hidden;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.section--gray .card {
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.card:hover {
	transform: translateY(-2px);
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.card__image {
	width: 100%;
	aspect-ratio: 16 / 10;
	object-fit: cover;
}

.card__body {
	padding: var(--spacing-sm);
}

.card__title {
	font-family: var(--font-headline);
	font-size: 16px;
	font-weight: 700;
	line-height: 1.4;
	margin-bottom: var(--spacing-xs);
}

.card__excerpt {
	font-size: 14px;
	color: var(--color-gray);
	line-height: 1.5;
}

.card__link {
	display: block;
	text-decoration: none;
	color: inherit;
}

/* 2-column grid variant */
.card-grid__items--2 {
	grid-template-columns: repeat(2, 1fr);
}

/* --------------------------------------------------------------------------
   12. Contact Section
   -------------------------------------------------------------------------- */
.contact-section {
	padding: var(--spacing-xl) 0;
}

.contact-section__inner {
	max-width: var(--container-width);
	margin: 0 auto;
	padding: 0 var(--spacing-md);
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--spacing-xl);
}

.contact-section__map {
	width: 100%;
	height: 400px;
	border: 0;
}

.contact-section__info h3 {
	margin-bottom: var(--spacing-sm);
}

.contact-section__info p {
	margin-bottom: var(--spacing-sm);
	line-height: 1.7;
}

.contact-section__info a {
	color: var(--color-green);
	text-decoration: underline;
}

/* --------------------------------------------------------------------------
   13. Page Content (page.php / single.php)
   -------------------------------------------------------------------------- */
.page-content {
	padding: var(--spacing-xl) 0;
	min-height: 60vh;
}

.page-content__inner {
	max-width: 800px;
	margin: 0 auto;
	padding: 0 var(--spacing-md);
}

.page-content h1 {
	text-align: center;
	margin-bottom: var(--spacing-lg);
}

.page-content h2 {
	margin-top: var(--spacing-lg);
	margin-bottom: var(--spacing-md);
}

.page-content p {
	margin-bottom: 1.2em;
	line-height: 1.7;
}

.page-content ul,
.page-content ol {
	margin-bottom: 1.2em;
	padding-left: var(--spacing-md);
	list-style: disc;
}

.page-content ol {
	list-style: decimal;
}

.page-content li {
	margin-bottom: 0.4em;
	line-height: 1.6;
}

.page-content img {
	margin: var(--spacing-md) 0;
	border-radius: 0;
}

.page-content a {
	color: var(--color-green);
	text-decoration: underline;
}

.page-content blockquote {
	border-left: 4px solid var(--color-green);
	padding: var(--spacing-sm) var(--spacing-md);
	margin: var(--spacing-md) 0;
	background-color: var(--color-light-gray);
	font-style: italic;
}

/* --------------------------------------------------------------------------
   14. Archive / Search
   -------------------------------------------------------------------------- */
.archive-list {
	max-width: var(--container-width);
	margin: 0 auto;
	padding: var(--spacing-xl) var(--spacing-md);
	min-height: 60vh;
}

.archive-list__title {
	text-align: center;
	margin-bottom: var(--spacing-lg);
}

.archive-list__items {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--spacing-md);
}

.pagination {
	display: flex;
	justify-content: center;
	gap: var(--spacing-sm);
	margin-top: var(--spacing-xl);
}

.pagination a,
.pagination span {
	display: inline-block;
	padding: 8px 16px;
	font-family: var(--font-headline);
	font-size: 14px;
	border: 1px solid var(--color-light-gray);
}

.pagination .current {
	background-color: var(--color-black);
	color: var(--color-white);
	border-color: var(--color-black);
}

/* Search form */
.search-form {
	display: flex;
	max-width: 500px;
	margin: 0 auto var(--spacing-lg);
}

.search-form__input {
	flex: 1;
	padding: 12px 16px;
	font-family: var(--font-body);
	font-size: 16px;
	border: 2px solid var(--color-light-gray);
	border-right: none;
	border-radius: 0;
	outline: none;
}

.search-form__input:focus {
	border-color: var(--color-black);
}

.search-form__submit {
	padding: 12px 24px;
	font-family: var(--font-headline);
	font-size: 16px;
	font-weight: 700;
	background-color: var(--color-black);
	color: var(--color-white);
	border: 2px solid var(--color-black);
	border-radius: 0;
	cursor: pointer;
}

/* 404 */
.error-404 {
	text-align: center;
	padding: var(--spacing-2xl) var(--spacing-md);
	min-height: 60vh;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
}

.error-404__title {
	font-size: 120px;
	font-family: var(--font-headline);
	color: var(--color-light-gray);
	line-height: 1;
	margin-bottom: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   15. Responsive - Tablet (≤ 1280px)
   -------------------------------------------------------------------------- */
@media (max-width: 1280px) {
	:root {
		--fs-h1-huge: 36px;
		--fs-h1: 36px;
		--fs-h2: 24px;
		--fs-h3: 18px;
		--fs-body: 16px;
	}

	.card-grid__items {
		grid-template-columns: repeat(2, 1fr);
	}

	.archive-list__items {
		grid-template-columns: repeat(2, 1fr);
	}

	.content-section--split {
		gap: var(--spacing-lg);
	}

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

	.contact-section__map {
		height: 300px;
	}
}

/* --------------------------------------------------------------------------
   16. Responsive - Mobile (≤ 800px)
   -------------------------------------------------------------------------- */
@media (max-width: 800px) {
	:root {
		--fs-h1-huge: 40px;
		--spacing-xl: 40px;
		--spacing-2xl: 48px;
	}

	/* Header */
	.site-nav {
		display: none;
	}

	.nav-toggle {
		display: flex;
	}

	.site-header__title {
		font-size: 13px;
		max-width: 180px;
	}

	.site-header__logo {
		width: 72px;
	}

	/* Grids */
	.card-grid__items,
	.card-grid__items--2 {
		grid-template-columns: 1fr;
	}

	.archive-list__items {
		grid-template-columns: 1fr;
	}

	.grid--2,
	.grid--3 {
		grid-template-columns: 1fr;
	}

	/* Content sections */
	.content-section--split {
		flex-direction: column;
	}

	.content-section--split .content-section__image {
		max-width: 100%;
	}

	/* Hero */
	.hero {
		min-height: 70vh;
	}

	.hero__content {
		padding: var(--spacing-lg) var(--spacing-sm);
	}

	/* Page content */
	.page-content__inner {
		padding: 0 var(--spacing-sm);
	}
}

/* --------------------------------------------------------------------------
   17. Print
   -------------------------------------------------------------------------- */
@media print {
	.site-header,
	.site-footer,
	.nav-toggle,
	.hero__cta,
	.btn {
		display: none;
	}

	body {
		font-size: 12pt;
		color: #000;
	}

	.page-content__inner {
		max-width: 100%;
	}
}