/* ================================================
   Design-Token (CSS-Variablen)
   ================================================ */
:root {
	--color-bg-light: #f5fafd;
	--color-soft-blue: #c1d8e5;
	--color-dark-navy: #001f27;
	--color-accent-teal: #2fb6dc;
	--color-accent-hover: #027a96;
	--color-accent-light: rgba(2, 145, 177, 0.1);

	--color-text-main: #001f27;
	--color-text-muted: #3d5660;
	--color-text-white: #ffffff;

	--color-card-bg: #ffffff;
	--color-border: #d4e3ed;
	--color-error: #d93838;
	--color-success: #10b981;

	--font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

	--box-shadow-sm: 0 2px 8px rgba(0, 31, 39, 0.06);
	--box-shadow-md: 0 8px 24px rgba(0, 31, 39, 0.1);
	--box-shadow-lg: 0 16px 40px rgba(0, 31, 39, 0.14);
	--box-shadow-glow: 0 0 25px rgba(2, 145, 177, 0.3);

	--radius-sm: 6px;
	--radius-md: 12px;
	--radius-lg: 20px;
	--radius-full: 9999px;

	--transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
	--transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================================================
   Reset & Basis
   ================================================ */
*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	scroll-behavior: smooth;
	font-size: 16px;
}

body {
	font-family: var(--font-primary);
	font-weight: 400;
	background-color: var(--color-bg-light);
	color: var(--color-text-main);
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	overflow-x: hidden;
}

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

a {
	color: var(--color-accent-teal);
	text-decoration: none;
	transition: color var(--transition-fast);
}

a:hover {
	color: var(--color-accent-hover);
}

h2 {
	line-height: 1.2;
}

/* Layout Utilities */
.container {
	width: 100%;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 24px;
}

.section-padding {
	padding: 100px 0;
}

/* ================================================
   Typografie
   ================================================ */
.section-title {
	font-size: 2.4rem;
	font-weight: 900;
	color: var(--color-dark-navy);
	line-height: 1.2;
	margin-bottom: 16px;
}

/* ================================================
   Buttons
   ================================================ */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	font-family: var(--font-primary);
	font-size: 1.05rem;
	font-weight: 700;
	padding: 16px 32px;
	border-radius: var(--radius-md);
	border: 2px solid transparent;
	cursor: pointer;
	transition: all var(--transition-normal);
	text-align: center;
	box-shadow: var(--box-shadow-sm);
}

.btn-sm {
	padding: 10px 20px;
	width: 216px;
}

.btn-lg {
	padding: 18px 36px;
	font-size: 1.15rem;
}

.btn-block {
	width: 100%;
}

.btn-primary {
	background-color: var(--color-dark-navy);
	color: var(--color-text-white);
	border-color: var(--color-dark-navy);
}

.btn-primary:hover {
	color: var(--color-text-white);
	transform: translateY(-3px);
	box-shadow: var(--box-shadow-md);
}

.btn-primary:active {
	transform: translateY(0);
}

.btn-secondary {
	background-color: var(--color-accent-teal);
	color: var(--color-text-white);
	border-color: var(--color-accent-teal);
}

.btn-secondary:hover {
	background-color: var(--color-accent-teal);
	border-color: var(--color-accent-teal);
	color: var(--color-text-white);
	transform: translateY(-2px);
	box-shadow: var(--box-shadow-md);
}

.btn-arrow,
.btn-icon {
	width: 20px;
	height: 20px;
	transition: transform var(--transition-fast);
}

/* ================================================
   Header & Navigation
   ================================================ */
.site-header {
	position: sticky;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 1000;
	background-color: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	box-shadow: 0 2px 20px rgba(0, 31, 39, 0.08);
	transition: all var(--transition-normal);
}

.header-container {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 84px;
	max-width: 1200px;
	padding: 0 24px;
}

.brand-logo {
	height: 48px;
	width: auto;
	display: block;
	transition: transform var(--transition-fast);
}

.main-nav {
	display: flex;
	align-items: center;
	gap: 32px;
}

.nav-link {
	font-size: 1rem;
	font-weight: 500;
	color: var(--color-dark-navy);
	position: relative;
	padding: 8px 0;
}

.nav-link::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 0;
	height: 3px;
	background-color: var(--color-accent-teal);
	border-radius: 2px;
	transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
	color: var(--color-accent-teal);
	font-weight: 700;
}

.nav-link:hover::after,
.nav-link.active::after {
	width: 100%;
}

.mobile-menu-toggle {
	display: none;
	background: none;
	border: none;
	cursor: pointer;
	flex-direction: column;
	gap: 5px;
	padding: 8px;
}

.hamburger-bar {
	width: 24px;
	height: 3px;
	background-color: var(--color-dark-navy);
	border-radius: 2px;
	transition: all var(--transition-fast);
}

/* ================================================
   Hero-Sektion
   ================================================ */
.hero-section {
	position: relative;
	min-height: 92vh;
	display: flex;
	align-items: center;
	padding: 80px 0;
	background-color: var(--color-dark-navy);
	overflow: hidden;
}

.hero-background-wrapper {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 1;
}

.hero-bg-image {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
}

.hero-container {
	position: relative;
	z-index: 2;
	display: flex;
	justify-content: flex-end;
}

.hero-content-card {
	background-color: rgba(255, 255, 255, 0.96);
	backdrop-filter: blur(12px);
	border-radius: var(--radius-lg);
	padding: 36px;
	max-width: 663px;
	margin-left: auto;
	box-shadow: var(--box-shadow-lg);
	border: 1px solid var(--color-soft-blue);
	animation: fadeInUp 0.8s ease-out;
}

.hero-title {
	font-size: 2.2rem;
	font-weight: 900;
	color: var(--color-dark-navy);
	line-height: 1.25;
	margin-bottom: 20px;
}

.hero-title strong {
	color: var(--color-accent-teal);
}

.hero-actions {
	display: flex;
	gap: 16px;
	margin-top: 24px;
	width: 100%;
}

.hero-actions .btn {
	flex: 1;
	min-width: 0;
	padding: 16px 20px;
	font-size: 1rem;
	white-space: nowrap;
}

/* ================================================
   Anmeldeformular-Sektion
   ================================================ */
.form-section {
	background-color: var(--color-bg-light);
}

.form-section .section-header {
	max-width: 1200px;
	margin: 0 auto 32px auto;
	text-align: left;
}

.form-card-wrapper {
	background-color: var(--color-card-bg);
	border-radius: var(--radius-lg);
	padding: 48px;
	max-width: 1200px;
	margin: 0 auto;
	box-shadow: var(--box-shadow-md);
	border: 1px solid var(--color-border);
}

.registration-form {
	display: flex;
	flex-direction: column;
	gap: 28px;
}

.form-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 24px;
}

.form-group {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.form-group-full {
	grid-column: span 2;
}

.form-label {
	font-size: 0.95rem;
	font-weight: 700;
	color: var(--color-dark-navy);
}

.required {
	color: var(--color-accent-teal);
}

.input-wrapper {
	position: relative;
	display: flex;
	align-items: center;
}

.input-icon {
	position: absolute;
	left: 16px;
	width: 20px;
	height: 20px;
	color: #8fa7b3;
	pointer-events: none;
	transition: color var(--transition-fast);
}

.form-control {
	width: 100%;
	font-family: var(--font-primary);
	font-size: 1rem;
	padding: 14px 16px 14px 48px;
	border-radius: var(--radius-md);
	border: 2px solid var(--color-border);
	background-color: #fafcfe;
	color: var(--color-dark-navy);
	transition: all var(--transition-fast);
	outline: none;
}

.form-control:focus {
	border-color: var(--color-accent-teal);
	background-color: #ffffff;
	box-shadow: 0 0 0 4px var(--color-accent-light);
}

.input-wrapper:focus-within .input-icon {
	color: var(--color-accent-teal);
}

.select-control {
	appearance: none;
	cursor: pointer;
}

.form-control.is-invalid {
	border-color: var(--color-error);
	background-color: #fff5f5;
}

.error-message {
	display: none;
	font-size: 0.85rem;
	color: var(--color-error);
	font-weight: 500;
	margin-top: 2px;
}

.error-message.visible {
	display: block;
}

/* Datum-Auswahl */
.date-selector-grid {
	display: grid;
	grid-template-columns: repeat(6, 1fr);
	gap: 12px;
	margin-top: 4px;
}

.date-card {
	position: relative;
	cursor: pointer;
}

.date-card input[type='radio'] {
	position: absolute;
	opacity: 0;
	width: 0;
	height: 0;
}

.date-card-content {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 16px 8px;
	background-color: var(--color-bg-light);
	border: 2px solid var(--color-border);
	border-radius: var(--radius-md);
	text-align: center;
	transition: all var(--transition-fast);
}

.date-card-content .day-name {
	font-size: 0.8rem;
	font-weight: 500;
	color: var(--color-text-muted);
	text-transform: uppercase;
}

.date-card-content .day-number {
	font-size: 1.6rem;
	font-weight: 900;
	color: var(--color-dark-navy);
	line-height: 1.1;
	margin: 4px 0;
}

.date-card-content .month-year {
	font-size: 0.75rem;
	font-weight: 700;
	color: var(--color-accent-teal);
}

.date-card:hover .date-card-content {
	border-color: var(--color-accent-teal);
	background-color: #ffffff;
	transform: translateY(-2px);
}

.date-card input[type='radio']:checked + .date-card-content {
	background-color: var(--color-accent-teal);
	border-color: var(--color-accent-teal);
	box-shadow: var(--box-shadow-glow);
}

.date-card input[type='radio']:checked + .date-card-content .day-name,
.date-card input[type='radio']:checked + .date-card-content .day-number,
.date-card input[type='radio']:checked + .date-card-content .month-year {
	color: var(--color-text-white);
}

/* Absende-Bereich */
.form-submit-wrapper {
	margin-top: 12px;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 16px;
}

.btn-cta {
	padding: 18px 40px;
	font-size: 1.2rem;
	border-radius: var(--radius-md);
}

.privacy-note {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-size: 0.85rem;
	color: var(--color-text-muted);
	text-align: center;
}

.privacy-icon {
	width: 16px;
	height: 16px;
	color: var(--color-accent-teal);
	flex-shrink: 0;
}

/* ================================================
   Footer
   ================================================ */
.site-footer {
	position: relative;
	background-color: var(--color-dark-navy);
	color: var(--color-text-white);
	overflow: hidden;
	padding-top: 100px;
	padding-bottom: 40px;
}

.footer-bg-wrapper {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 1;
}

.footer-bg-image {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
}

.footer-container {
	position: relative;
	z-index: 2;
}

.footer-grid {
	display: grid;
	grid-template-columns: 1.2fr 1fr;
	gap: 40px;
	margin-bottom: 60px;
}

.footer-contact-title {
	font-size: 1.5rem;
	font-weight: 900;
	color: #ffffff;
	position: relative;
	padding-bottom: 10px;
}

.contact-info-list {
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.contact-item {
	display: flex;
	align-items: flex-start;
	gap: 14px;
	font-size: 1.15rem;
	color: var(--color-text-white);
	line-height: 1.5;
}

.contact-item a {
	color: var(--color-text-white);
	text-decoration: underline;
	text-underline-offset: 3px;
}

.contact-item a:hover {
	color: var(--color-border);
}

.contact-icon {
	width: 20px;
	height: 20px;
	color: #ffffff;
	flex-shrink: 0;
	margin-top: 2px;
}

.footer-bottom {
	border-top: 1px solid rgba(193, 216, 229, 0.15);
	padding-top: 30px;
	text-align: center;
	font-size: 0.9rem;
	color: var(--color-text-white);
}

/* ================================================
   Bestätigungs-Modal
   ================================================ */
.modal-backdrop {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 31, 39, 0.75);
	backdrop-filter: blur(8px);
	z-index: 2000;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 24px;
	opacity: 0;
	visibility: hidden;
	transition: all var(--transition-normal);
}

.modal-backdrop.active {
	opacity: 1;
	visibility: visible;
}

.modal-card {
	position: relative;
	background-color: #ffffff;
	border-radius: var(--radius-lg);
	max-width: 520px;
	width: 100%;
	padding: 40px;
	text-align: center;
	box-shadow: var(--box-shadow-lg);
	transform: scale(0.9);
	transition: transform var(--transition-normal);
}

.modal-backdrop.active .modal-card {
	transform: scale(1);
}

.modal-close-btn {
	position: absolute;
	top: 16px;
	right: 20px;
	background: none;
	border: none;
	font-size: 2rem;
	color: var(--color-text-muted);
	cursor: pointer;
	line-height: 1;
}

.modal-close-btn:hover {
	color: var(--color-dark-navy);
}

.modal-icon-success {
	width: 72px;
	height: 72px;
	background-color: rgba(16, 185, 129, 0.1);
	color: var(--color-success);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	margin: 0 auto 20px auto;
}

.modal-icon-success svg {
	width: 40px;
	height: 40px;
}

.modal-title {
	font-size: 1.6rem;
	font-weight: 900;
	color: var(--color-dark-navy);
	margin-bottom: 12px;
}

.modal-message {
	font-size: 1rem;
	color: var(--color-text-muted);
	margin-bottom: 24px;
	line-height: 1.5;
}

.modal-summary-box {
	background-color: var(--color-bg-light);
	border-radius: var(--radius-md);
	padding: 20px;
	margin-bottom: 24px;
	text-align: left;
	border: 1px solid var(--color-border);
}

.summary-row {
	display: flex;
	justify-content: space-between;
	padding: 6px 0;
	border-bottom: 1px dashed var(--color-border);
	font-size: 0.95rem;
}

.summary-row:last-child {
	border-bottom: none;
}

.summary-label {
	color: var(--color-text-muted);
	font-weight: 500;
}

.summary-value {
	color: var(--color-dark-navy);
	font-weight: 700;
}

/* ================================================
   Animationen
   ================================================ */
@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* ================================================
   Media Queries
   ================================================ */

/* Tablets & kleinere Desktops */
@media (max-width: 992px) {
	.hero-content-card {
		padding: 36px;
	}

	.footer-grid {
		grid-template-columns: 1fr;
		gap: 30px;
	}

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

/* Smartphones (Querformat) & Tablets */
@media (max-width: 768px) {
	.section-padding {
		padding: 50px 0;
	}

	/* Header */
	.site-header {
		height: auto;
	}

	.header-container {
		height: 70px;
	}

	.mobile-menu-toggle {
		display: flex;
	}

	.main-nav {
		position: absolute;
		top: 70px;
		left: 0;
		width: 100%;
		background-color: #ffffff;
		flex-direction: column;
		padding: 24px;
		gap: 16px;
		box-shadow: var(--box-shadow-md);
		display: none;
	}

	.main-nav.active {
		display: flex;
	}

	.header-cta-wrapper {
		display: none;
	}

	/* Hero */
	.hero-section {
		padding: 40px 0;
	}

	.hero-content-card {
		padding: 28px 20px;
	}

	.hero-actions {
		flex-direction: column;
		gap: 12px;
	}

	.hero-actions .btn {
		width: 100%;
	}

	.hero-title {
		font-size: 1.8rem;
		text-wrap: balance;
	}

	/* Formular */
	.section-title {
		font-size: 1.6rem;
		text-wrap: balance;
	}

	.form-card-wrapper {
		padding: 28px 20px;
	}

	.form-grid {
		grid-template-columns: 1fr;
	}

	.form-group-full {
		grid-column: span 1;
	}

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

	/* Footer */
	.site-footer {
		padding-top: 50px;
		padding-bottom: 20px;
	}

	.footer-grid {
		margin-bottom: 40px;
	}
}

/* Smartphones (Hochformat) */
@media (max-width: 480px) {
	.date-selector-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 8px;
	}

	.date-card-content {
		padding: 12px 6px;
	}

	.date-card-content .day-number {
		font-size: 1.4rem;
	}
}

/* Sehr kleine Bildschirme */
@media (max-width: 400px) {
	.btn-arrow,
	.btn-icon {
		display: none;
	}

	.privacy-icon {
		display: none;
	}
}