/* Arends Immobilienbewertung – Farben & Formen der Arends-Website (Fallbacks, falls Variablen fehlen) */
.arb-app {
	--arb-green-900: var(--ar-green-900, #08241D);
	--arb-green: var(--ar-green-800, #0C362C);
	--arb-green-700: var(--ar-green-700, #134B3E);
	--arb-sage: var(--ar-sage, #A7B69F);
	--arb-sage-soft: var(--ar-sage-soft, #E3E8DE);
	--arb-sand: var(--ar-sand, #EBE2D7);
	--arb-cream: var(--ar-cream, #FFFCF4);
	--arb-terra: var(--ar-terracotta, #C3663B);
	--arb-coral: var(--ar-coral, #FC8C64);
	--arb-text: var(--ar-text, #4E5B55);
	--arb-line: rgba(12, 54, 44, 0.14);
	--arb-font: var(--ar-font, 'Poppins'), 'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;
	width: 100%;
	max-width: 920px;
	margin-inline: auto;
	font-family: var(--arb-font);
	color: var(--arb-green);
	-webkit-font-smoothing: antialiased;
}
.arb-app *, .arb-app *::before, .arb-app *::after { box-sizing: border-box; }

.arb-app .arb {
	position: relative;
	background: var(--arb-sage-soft);
	border-radius: 32px;
	padding: clamp(24px, 4vw, 48px);
	overflow: hidden;
}

/* Kopf mit Fortschritt */
.arb-app .arb-head { margin-bottom: clamp(24px, 3vw, 36px); }
.arb-app .arb-head-top { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 14px; }
.arb-app .arb-eyebrow { font-size: 12px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--arb-terra); }
.arb-app .arb-count { font-size: 13px; color: var(--arb-text); white-space: nowrap; }
.arb-app .arb-progress { display: block; height: 6px; border-radius: 99px; background: rgba(12, 54, 44, .1); overflow: hidden; }
.arb-app .arb-progress-bar { display: block; height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, var(--arb-terra), var(--arb-coral)); transition: width .45s cubic-bezier(.2, .7, .2, 1); }

/* Texte */
.arb-app .arb-title { margin: 0 0 8px; font-family: var(--arb-font); font-size: clamp(22px, 2.6vw, 30px); font-weight: 500; line-height: 1.2; letter-spacing: -.015em; color: var(--arb-green); }
.arb-app .arb-sub { margin: 0 0 26px; font-size: 15px; line-height: 1.7; color: var(--arb-text); max-width: 620px; }
.arb-app .arb-step--tiles .arb-title, .arb-app .arb-step--chips .arb-title { margin-bottom: 26px; }
.arb-app .arb-step--tiles .arb-sub, .arb-app .arb-step--chips .arb-sub { margin-top: -18px; }

/* Schritt-Animation */
.arb-app .arb-anim-next { animation: arbIn .38s cubic-bezier(.2, .7, .2, 1) both; }
.arb-app .arb-anim-back { animation: arbBack .38s cubic-bezier(.2, .7, .2, 1) both; }
@keyframes arbIn { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: none; } }
@keyframes arbBack { from { opacity: 0; transform: translateX(-24px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
	.arb-app .arb-anim-next, .arb-app .arb-anim-back { animation: none; }
	.arb-app .arb-progress-bar { transition: none; }
}

/* Kacheln (Text) */
.arb-app .arb-tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.arb-app .arb-tiles--many { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.arb-app button.arb-tile {
	all: unset;
	box-sizing: border-box;
	display: flex; align-items: center; gap: 14px;
	min-height: 72px;
	padding: 18px 20px;
	border-radius: 18px;
	border: 1.5px solid transparent;
	background: var(--arb-cream);
	color: var(--arb-green);
	font-family: var(--arb-font);
	cursor: pointer;
	text-align: left;
	transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.arb-app button.arb-tile:hover, .arb-app button.arb-tile:focus-visible {
	background: var(--arb-cream); color: var(--arb-green);
	border-color: rgba(195, 102, 59, .45);
	transform: translateY(-2px);
	box-shadow: 0 12px 28px rgba(12, 54, 44, .08);
	outline: none;
}
.arb-app button.arb-tile.is-active, .arb-app button.arb-tile.is-active:hover { border-color: var(--arb-terra); background: #fff; }
.arb-app .arb-tile-radio { flex: 0 0 22px; width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid rgba(12, 54, 44, .3); position: relative; transition: border-color .2s; }
.arb-app .is-active .arb-tile-radio { border-color: var(--arb-terra); }
.arb-app .is-active .arb-tile-radio::after { content: ''; position: absolute; inset: 4px; border-radius: 50%; background: var(--arb-terra); }
.arb-app .arb-tile-text { display: flex; flex-direction: column; gap: 3px; }
.arb-app .arb-tile-label { font-size: 15.5px; font-weight: 500; line-height: 1.3; }
.arb-app .arb-tile-desc { font-size: 13px; line-height: 1.45; color: var(--arb-text); }

/* Kacheln mit Icon = Bogenfenster (exakter Halbkreis über elliptische Radien) */
.arb-app .arb-tiles--icons { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.arb-app .arb-tiles--icons button.arb-tile {
	flex-direction: column; justify-content: flex-end; align-items: center;
	aspect-ratio: 4 / 4.8;
	min-height: 0;
	padding: 18px 12px 22px;
	text-align: center;
	border-radius: 50% 50% 20px 20px / 41.7% 41.7% 20px 20px;
}
.arb-app .arb-tile-icon { display: flex; align-items: center; justify-content: center; width: 72%; flex: 1 1 auto; max-height: 120px; }
.arb-app .arb-tile-icon svg { width: 100%; max-width: 86px; height: auto; fill: none; stroke: var(--arb-green); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: stroke .2s; }
.arb-app .arb-tiles--icons .is-active .arb-tile-icon svg, .arb-app .arb-tiles--icons button.arb-tile:hover .arb-tile-icon svg { stroke: var(--arb-terra); }
.arb-app .arb-tiles--icons .arb-tile-label { font-size: 15px; }

/* Chips (Mehrfachauswahl) */
.arb-app .arb-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.arb-app button.arb-chip {
	all: unset; box-sizing: border-box;
	display: inline-flex; align-items: center; gap: 10px;
	padding: 12px 18px 12px 12px;
	border-radius: 999px;
	border: 1.5px solid transparent;
	background: var(--arb-cream);
	color: var(--arb-green);
	font-family: var(--arb-font); font-size: 14.5px; font-weight: 400;
	cursor: pointer;
	transition: border-color .2s, background-color .2s;
}
.arb-app button.arb-chip:hover, .arb-app button.arb-chip:focus-visible { background: var(--arb-cream); color: var(--arb-green); border-color: rgba(195, 102, 59, .45); outline: none; }
.arb-app button.arb-chip.is-active { border-color: var(--arb-terra); background: #fff; }
.arb-app .arb-chip-check { display: inline-flex; width: 24px; height: 24px; border-radius: 50%; border: 1.5px solid rgba(12, 54, 44, .25); align-items: center; justify-content: center; transition: all .2s; }
.arb-app .arb-chip-check svg { width: 14px; height: 14px; fill: none; stroke: transparent; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.arb-app .is-active .arb-chip-check { background: var(--arb-terra); border-color: var(--arb-terra); }
.arb-app .is-active .arb-chip-check svg { stroke: var(--arb-cream); }

/* Formularfelder */
.arb-app .arb-fields { display: flex; flex-direction: column; gap: 22px; max-width: 620px; }
.arb-app .arb-fields--grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 14px; max-width: none; }
.arb-app .arb-span-2 { grid-column: 1 / -1; }
.arb-app .arb-field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.arb-app .arb-label { font-size: 13px; font-weight: 500; color: var(--arb-green); }
.arb-app .arb-opt { font-weight: 400; color: var(--arb-text); }
.arb-app input.arb-input {
	width: 100%;
	height: 52px;
	margin: 0;
	padding: 0 16px;
	border: 1px solid var(--arb-line);
	border-radius: 14px;
	background: var(--arb-cream);
	color: var(--arb-green);
	font-family: var(--arb-font); font-size: 16px; line-height: 1.2;
	box-shadow: none;
	transition: border-color .2s, box-shadow .2s;
	-moz-appearance: textfield;
}
.arb-app input.arb-input::-webkit-outer-spin-button, .arb-app input.arb-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.arb-app input.arb-input:focus { outline: none; border-color: var(--arb-terra); box-shadow: 0 0 0 3px rgba(195, 102, 59, .15); }
.arb-app input.arb-input:disabled { opacity: .45; }
.arb-app input.arb-input::placeholder { color: rgba(78, 91, 85, .55); }
.arb-app .arb-input--center { text-align: center; }

.arb-app .arb-slider-row { display: flex; align-items: center; gap: 18px; }
.arb-app .arb-unit-input { position: relative; flex: 0 0 148px; }
.arb-app .arb-unit-input input.arb-input { padding-right: 46px; text-align: right; font-weight: 500; }
.arb-app .arb-unit-input span { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); font-size: 14px; color: var(--arb-text); pointer-events: none; }
.arb-app input.arb-range {
	-webkit-appearance: none; appearance: none;
	flex: 1 1 auto; height: 6px; margin: 0; padding: 0; border: 0;
	border-radius: 99px;
	background: linear-gradient(90deg, var(--arb-terra) var(--arb-fill, 50%), rgba(12, 54, 44, .14) var(--arb-fill, 50%));
	cursor: pointer;
}
.arb-app input.arb-range::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; border-radius: 50%; background: var(--arb-cream); border: 2px solid var(--arb-terra); box-shadow: 0 4px 12px rgba(12, 54, 44, .18); }
.arb-app input.arb-range::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--arb-cream); border: 2px solid var(--arb-terra); }
.arb-app input.arb-range:focus { outline: none; }

.arb-app .arb-stepper { display: flex; align-items: center; gap: 10px; max-width: 220px; }
.arb-app button.arb-step-btn {
	all: unset; box-sizing: border-box;
	flex: 0 0 52px; height: 52px; border-radius: 50%;
	display: inline-flex; align-items: center; justify-content: center;
	background: var(--arb-cream); border: 1px solid var(--arb-line);
	color: var(--arb-green); font-size: 22px; line-height: 1; cursor: pointer;
	transition: border-color .2s, color .2s;
}
.arb-app button.arb-step-btn:hover, .arb-app button.arb-step-btn:focus-visible { background: var(--arb-cream); border-color: var(--arb-terra); color: var(--arb-terra); outline: none; }

.arb-app .arb-segment { display: inline-flex; flex-wrap: wrap; gap: 6px; padding: 5px; border-radius: 999px; background: var(--arb-cream); border: 1px solid var(--arb-line); width: fit-content; max-width: 100%; }
.arb-app button.arb-seg {
	all: unset; box-sizing: border-box;
	padding: 10px 20px; border-radius: 999px;
	font-family: var(--arb-font); font-size: 14px; font-weight: 400; color: var(--arb-green);
	cursor: pointer; transition: background-color .2s, color .2s;
}
.arb-app button.arb-seg:hover, .arb-app button.arb-seg:focus-visible { background: var(--arb-sage-soft); color: var(--arb-green); outline: none; }
.arb-app button.arb-seg.is-active, .arb-app button.arb-seg.is-active:hover { background: var(--arb-green); color: var(--arb-cream); }

.arb-app .arb-check { display: flex; align-items: flex-start; gap: 12px; font-size: 13.5px; line-height: 1.6; color: var(--arb-text); cursor: pointer; }
.arb-app .arb-check input { flex: 0 0 20px; width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--arb-terra); cursor: pointer; }
.arb-app .arb-check a { color: var(--arb-terra); text-decoration: underline; text-underline-offset: 3px; }

/* Navigation */
.arb-app .arb-error { min-height: 22px; margin: 18px 0 0; font-size: 14px; color: #B4472B; }
.arb-app .arb-error:empty { min-height: 0; margin: 0; }
.arb-app .arb-nav { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 28px; }
.arb-app button.arb-back {
	all: unset; box-sizing: border-box;
	padding: 14px 6px; font-family: var(--arb-font); font-size: 14px; font-weight: 500; color: var(--arb-text); cursor: pointer;
}
.arb-app button.arb-back::before { content: '← '; }
.arb-app button.arb-back:hover, .arb-app button.arb-back:focus-visible { background: none; color: var(--arb-terra); outline: none; }
.arb-app button.arb-next, .arb-app a.arb-btn {
	all: unset; box-sizing: border-box;
	display: inline-flex; align-items: center; justify-content: center; gap: 10px;
	padding: 16px 32px; border-radius: 999px;
	background: var(--arb-terra); color: var(--arb-cream);
	font-family: var(--arb-font); font-size: 14.5px; font-weight: 500; letter-spacing: .02em; text-align: center;
	cursor: pointer; transition: background-color .25s, transform .25s;
}
.arb-app button.arb-next::after { content: '→'; }
.arb-app button.arb-next:hover, .arb-app button.arb-next:focus-visible, .arb-app a.arb-btn:hover, .arb-app a.arb-btn:focus-visible { background: var(--arb-green); color: var(--arb-cream); outline: none; }
.arb-app button.arb-next:disabled { opacity: .6; cursor: default; }
.arb-app button.arb-next.is-final { padding-inline: 36px; }
.arb-app a.arb-btn--ghost { background: transparent; color: var(--arb-green); border: 1px solid rgba(12, 54, 44, .3); }
.arb-app a.arb-btn--ghost:hover, .arb-app a.arb-btn--ghost:focus-visible { background: var(--arb-green); color: var(--arb-cream); border-color: var(--arb-green); }

.arb-app .arb-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

.arb-app .arb-trust { display: flex; flex-wrap: wrap; gap: 10px 24px; margin: 28px 0 0; padding: 22px 0 0; list-style: none; border-top: 1px solid var(--arb-line); }
.arb-app .arb-trust li { display: inline-flex; align-items: center; gap: 8px; margin: 0; font-size: 13px; color: var(--arb-text); }
.arb-app .arb-trust svg { width: 16px; height: 16px; fill: none; stroke: var(--arb-terra); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.arb-app .is-done .arb-trust { display: none; }

/* Ladezustand */
.arb-app .arb-loading { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 48px 0 32px; }
.arb-app .arb-loading .arb-sub { margin-bottom: 0; }
.arb-app .arb-spinner { width: 54px; height: 54px; margin-bottom: 24px; border-radius: 50%; border: 3px solid rgba(12, 54, 44, .12); border-top-color: var(--arb-terra); animation: arbSpin .9s linear infinite; }
@keyframes arbSpin { to { transform: rotate(360deg); } }

/* Ergebnis */
.arb-app .arb-result { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(24px, 4vw, 48px); align-items: center; }
.arb-app .arb-window {
	display: flex; flex-direction: column; align-items: center; text-align: center;
	aspect-ratio: 4 / 4.6;
	padding: 22% 26px 34px;
	justify-content: flex-end;
	background: var(--arb-green);
	color: var(--arb-cream);
	border-radius: 50% 50% 28px 28px / 43.5% 43.5% 28px 28px;
	box-shadow: 0 28px 60px rgba(8, 36, 29, .25);
	position: relative;
}
.arb-app .arb-window::before { content: ''; position: absolute; inset: 12px; border: 1px solid rgba(255, 252, 244, .14); border-radius: inherit; pointer-events: none; }
.arb-app .arb-window-eyebrow { font-size: 11.5px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--arb-coral); margin-bottom: 18px; }
.arb-app .arb-window-label { font-size: 14px; color: rgba(255, 252, 244, .7); }
.arb-app .arb-window-value { margin: 6px 0 22px; font-size: clamp(32px, 4.4vw, 46px); font-weight: 500; line-height: 1.05; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.arb-app .arb-scale { width: 100%; max-width: 280px; }
.arb-app .arb-scale-bar { position: relative; display: block; height: 6px; border-radius: 99px; background: linear-gradient(90deg, rgba(167, 182, 159, .35), var(--arb-sage), rgba(167, 182, 159, .35)); }
.arb-app .arb-scale-dot { position: absolute; top: 50%; width: 18px; height: 18px; margin-left: -9px; border-radius: 50%; background: var(--arb-coral); border: 3px solid var(--arb-green); transform: translateY(-50%); box-shadow: 0 0 0 1px var(--arb-coral); }
.arb-app .arb-scale-labels { display: flex; justify-content: space-between; width: 100%; max-width: 280px; margin-top: 10px; font-size: 13px; color: rgba(255, 252, 244, .75); font-variant-numeric: tabular-nums; }
.arb-app .arb-window-sqm { margin-top: 16px; font-size: 13px; color: var(--arb-sage); }
.arb-app .arb-result-text .arb-sub { margin-bottom: 18px; }
.arb-app .arb-notes { margin: 0 0 18px; padding: 14px 18px 14px 34px; border-radius: 16px; background: var(--arb-cream); font-size: 13.5px; line-height: 1.6; color: var(--arb-text); }
.arb-app .arb-disclaimer { margin: 0 0 24px; font-size: 12.5px; line-height: 1.65; color: var(--arb-text); opacity: .85; }
.arb-app .arb-cta { display: flex; flex-wrap: wrap; gap: 10px; }

/* Responsiv */
@media (max-width: 900px) {
	.arb-app .arb-tiles--icons { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.arb-app .arb-tiles--many { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.arb-app .arb-result { grid-template-columns: minmax(0, 1fr); }
	.arb-app .arb-window { max-width: 420px; width: 100%; margin-inline: auto; }
}
@media (max-width: 600px) {
	.arb-app .arb { border-radius: 24px; padding: 22px 16px 24px; }
	.arb-app .arb-tiles, .arb-app .arb-tiles--many { grid-template-columns: minmax(0, 1fr); }
	.arb-app .arb-tiles--icons { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
	.arb-app .arb-tiles--icons button.arb-tile { padding: 12px 8px 16px; }
	.arb-app .arb-tiles--icons .arb-tile-label { font-size: 13.5px; }
	.arb-app .arb-fields--grid { grid-template-columns: minmax(0, 1fr); }
	.arb-app .arb-slider-row { flex-direction: column; align-items: stretch; gap: 14px; }
	.arb-app .arb-unit-input { flex-basis: auto; }
	.arb-app .arb-nav { margin-top: 22px; }
	.arb-app button.arb-next { flex: 1 1 auto; padding-inline: 20px; }
	.arb-app .arb-window { padding: 24% 18px 28px; }
	.arb-app .arb-cta a.arb-btn { width: 100%; }
	.arb-app .arb-head-top { flex-direction: column; gap: 4px; }
}