/* ============================================================
   Smart Homies Konfigurator – style.css
   Design-System: identisch zur Homepage (style.css)
   Fonts: Exo 2 (body) + Rajdhani (headings/labels/buttons)
   ============================================================ */

@import url('/fonts/fonts.css');

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

:root {
  --black:        #f0f5ff;
  --dark:         #e3ecf7;
  --card-bg:      #ffffff;
  --border:       #c8d8ea;
  --green:        #1fab5e;
  --teal:         #0099aa;
  --yellow:       #7a9a00;
  --text:         #182030;
  --muted:        #4d6a85;
  --glow-green:   0 0 30px rgba(31,171,94,0.18);
  --glow-teal:    0 0 30px rgba(0,153,170,0.18);
  --radius-sm:    8px;
  --radius-md:    12px;
  --radius-lg:    18px;
  --transition:   0.2s ease;
}

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

body {
  font-family: 'Exo 2', sans-serif;
  background: var(--black);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { opacity: 0.8; }

input, textarea, button, select {
  font-family: 'Exo 2', sans-serif;
  font-size: 1rem;
}

/* ── Navigation ────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 72px;
  background: rgba(240,245,255,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700; font-size: 1.1rem; letter-spacing: 1px;
}
.nav-logo-icon { font-size: 1.4rem; }

.nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
.nav-links a {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600; font-size: 0.82rem;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--muted); text-decoration: none; transition: color var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--green); }
.nav-cta {
  background: linear-gradient(135deg, #3ddc84, #00c8c8);
  color: #000 !important; padding: 8px 20px; border-radius: 4px;
}
.nav-cta:hover { opacity: 0.85 !important; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.hamburger span { width: 24px; height: 2px; background: var(--green); display: block; }

/* Mobile nav */
#mnav {
  display: none; position: fixed; inset: 0; z-index: 998;
  background: rgba(240,245,255,0.97); backdrop-filter: blur(16px);
  flex-direction: column; align-items: center; justify-content: center; gap: 28px;
}
#mnav.on { display: flex; }
#mnav a {
  font-family: 'Rajdhani', sans-serif; font-size: 1.4rem;
  font-weight: 700; text-transform: uppercase; letter-spacing: 3px;
  color: var(--text); text-decoration: none;
}
#mnav a:hover { color: var(--green); }

/* Scroll progress */
.sp {
  position: fixed; top: 72px; left: 0; height: 2px; width: 0;
  background: linear-gradient(90deg, #3ddc84, #00c8c8, #c8e600); z-index: 998;
}

/* ── Page Main ─────────────────────────────────────────────── */
main {
  min-height: 100vh;
  padding: 100px 24px 80px;
  background:
    radial-gradient(ellipse 70% 45% at 80% 0%,  rgba(0,153,170,.07) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 100%, rgba(31,171,94,.06) 0%, transparent 55%),
    var(--black);
}

/* ── Intro Header ──────────────────────────────────────────── */
.kfg-intro {
  max-width: 760px; margin: 0 auto 36px;
  text-align: center; padding: 0 8px;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(31,171,94,0.10); border: 1px solid rgba(31,171,94,0.35);
  padding: 6px 16px; border-radius: 100px; margin-bottom: 18px;
  font-size: 0.75rem; letter-spacing: 2px; color: var(--green);
  text-transform: uppercase; font-family: 'Rajdhani', sans-serif; font-weight: 700;
}
.hero-badge::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); animation: blink 2s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

.kfg-intro h1 {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  font-weight: 900; margin-bottom: 12px; line-height: 1.1;
}
.grad {
  background: linear-gradient(135deg, #3ddc84, #00c8c8, #c8e600);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.kfg-intro p { color: var(--muted); font-size: .95rem; line-height: 1.7; max-width: 500px; margin: 0 auto; }

.kfg-trust-row {
  display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; margin-top: 20px;
}
.kfg-trust-item {
  display: flex; align-items: center; gap: 6px; font-size: .76rem; color: var(--muted);
}

/* ── Progress ──────────────────────────────────────────────── */
.kfg-progress-wrap { max-width: 760px; margin: 0 auto 20px; }
.kfg-progress-meta {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px; font-family: 'Rajdhani', sans-serif;
}
.kfg-prog-step { font-size: .76rem; letter-spacing: 2px; text-transform: uppercase; color: var(--teal); }
.kfg-prog-pct  { font-size: .76rem; color: var(--muted); }
.kfg-progress-bar { height: 5px; background: var(--border); border-radius: 100px; overflow: hidden; }
.kfg-progress-fill {
  height: 100%; background: linear-gradient(90deg, #3ddc84, #00c8c8);
  border-radius: 100px; transition: width .45s ease;
}

/* ── Wizard Card ───────────────────────────────────────────── */
.kfg-card {
  max-width: 760px; margin: 0 auto;
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 20px; overflow: hidden;
  box-shadow: 0 8px 48px rgba(0,0,0,.06);
}

/* ── Screens ───────────────────────────────────────────────── */
.screen { display: none; padding: 48px 48px 36px; animation: kfgStepIn .3s ease; }
.screen.active { display: block; }
@keyframes kfgStepIn {
  from { opacity: 0; transform: translateX(18px); }
  to   { opacity: 1; transform: translateX(0); }
}
.screen.from-back { animation: kfgStepBack .3s ease; }
@keyframes kfgStepBack {
  from { opacity: 0; transform: translateX(-18px); }
  to   { opacity: 1; transform: translateX(0); }
}

.screen-title { font-size: clamp(1.2rem, 2.4vw, 1.55rem); font-weight: 800; margin-bottom: 8px; line-height: 1.3; }
.screen-sub   { font-size: .88rem; color: var(--muted); line-height: 1.65; margin-bottom: 28px; }

.stag {
  font-family: 'Rajdhani', sans-serif; font-size: 0.72rem;
  letter-spacing: 3px; text-transform: uppercase; color: var(--teal);
  margin-bottom: 12px; display: block;
}

.section-heading {
  font-family: 'Rajdhani', sans-serif; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; color: var(--teal);
  margin: 1.75rem 0 0.75rem; display: flex; align-items: center; gap: 8px;
  padding-bottom: 0.5rem; border-bottom: 1px solid var(--border);
}
.phase-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.phase-dot.green  { background: var(--green); }
.phase-dot.orange { background: #f57c00; }

/* ── Mode Cards ────────────────────────────────────────────── */
.mode-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 8px; }

.mode-card {
  border: 2px solid var(--border); border-radius: var(--radius-md);
  padding: 28px 20px 22px; cursor: pointer; text-align: center;
  transition: border-color var(--transition), background var(--transition), transform .15s, box-shadow var(--transition);
  position: relative; user-select: none; background: var(--card-bg);
  display: flex; flex-direction: column; align-items: center;
}
.mode-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, #3ddc84, #00c8c8);
  transform: scaleX(0); transform-origin: left; transition: transform var(--transition);
}
.mode-card:hover { border-color: rgba(0,153,170,.45); background: rgba(0,153,170,.04); transform: translateY(-4px); }
.mode-card:hover::before { transform: scaleX(1); }
.mode-card.selected { border-color: var(--green); background: rgba(31,171,94,.07); box-shadow: 0 0 0 3px rgba(31,171,94,.12); }
.mode-card.selected::before { transform: scaleX(1); }
.mode-card.selected::after {
  content: '✓'; position: absolute; top: 10px; right: 12px;
  width: 20px; height: 20px; background: var(--green); color: #fff;
  border-radius: 50%; font-size: .68rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center; line-height: 1;
}

.mode-icon { font-size: 2.2rem; display: block; margin-bottom: 14px; line-height: 1; }
.mode-title { font-weight: 800; font-size: .95rem; display: block; line-height: 1.3; color: var(--text); margin-bottom: 6px; }
.mode-desc  { font-size: .78rem; color: var(--muted); display: block; margin-bottom: 8px; line-height: 1.45; }
.mode-duration {
  font-family: 'Rajdhani', sans-serif; font-size: .72rem; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--teal); display: block; margin-top: auto; padding-top: 8px;
  border-top: 1px solid var(--border); width: 100%;
}

/* ── Question Blocks ───────────────────────────────────────── */
.q-block { margin-bottom: 1.5rem; }
.q-label {
  font-family: 'Rajdhani', sans-serif; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; display: block;
}
.q-hint { font-size: .78rem; color: var(--muted); margin-bottom: 8px; margin-top: -6px; font-style: italic; }

/* ── Option Tiles ──────────────────────────────────────────── */
.kfg-opts { display: grid; gap: 14px; margin-bottom: 8px; }
.kfg-opts-2 { grid-template-columns: 1fr 1fr; }
.kfg-opts-3 { grid-template-columns: repeat(3, 1fr); }
.kfg-opts-4 { grid-template-columns: repeat(4, 1fr); }
.kfg-opts-5 { grid-template-columns: repeat(5, 1fr); }

.kfg-opt {
  border: 2px solid var(--border); border-radius: var(--radius-md);
  padding: 22px 16px 18px; cursor: pointer; text-align: center;
  transition: border-color var(--transition), background var(--transition), transform .15s, box-shadow var(--transition);
  position: relative; user-select: none; background: var(--card-bg);
}
.kfg-opt:hover { border-color: rgba(0,153,170,.45); background: rgba(0,153,170,.04); transform: translateY(-3px); }
.kfg-opt.sel { border-color: var(--green); background: rgba(31,171,94,.07); box-shadow: 0 0 0 3px rgba(31,171,94,.12); }
.kfg-opt.sel::after {
  content: '✓'; position: absolute; top: 8px; right: 10px;
  width: 20px; height: 20px; background: var(--green); color: #fff;
  border-radius: 50%; font-size: .68rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center; line-height: 1;
}

.kfg-opt-icon  { font-size: 2rem; display: block; margin-bottom: 10px; line-height: 1; }
.kfg-opt-label { font-weight: 700; font-size: .9rem; display: block; line-height: 1.3; color: var(--text); }
.kfg-opt-sub   { font-size: .75rem; color: var(--muted); display: block; margin-top: 5px; line-height: 1.4; }

.kfg-multi-hint {
  display: flex; align-items: center; gap: 7px;
  font-size: .79rem; color: var(--muted); margin-bottom: 18px; font-style: italic;
}
.kfg-multi-hint::before { content: 'ℹ'; color: var(--teal); font-style: normal; font-size: .9rem; }

/* ── Info Boxes ────────────────────────────────────────────── */
.info-box {
  border-radius: var(--radius-sm); padding: 12px 16px;
  font-size: .84rem; line-height: 1.55; margin-bottom: 1.25rem;
  display: flex; gap: 10px; align-items: flex-start;
}
.info-box-icon { flex-shrink: 0; margin-top: 1px; }
.info-blue   { background: rgba(0,153,170,.07); border: 1px solid rgba(0,153,170,.2); color: var(--text); }
.info-green  { background: rgba(31,171,94,.07); border: 1px solid rgba(31,171,94,.2); color: var(--text); }
.info-orange { background: rgba(245,124,0,.07); border: 1px solid rgba(245,124,0,.2); color: var(--text); }

/* ── Validations ───────────────────────────────────────────── */
#validations { display: flex; flex-direction: column; gap: 8px; margin-bottom: 1.25rem; }
.val-item {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 10px 14px; border-radius: var(--radius-sm);
  font-size: .83rem; line-height: 1.5; border: 1px solid;
}
.val-item.warn { background: rgba(245,124,0,.07); border-color: rgba(245,124,0,.2); color: var(--text); }
.val-item.ok   { background: rgba(31,171,94,.07); border-color: rgba(31,171,94,.2);  color: var(--text); }
.val-item.info { background: rgba(0,153,170,.07); border-color: rgba(0,153,170,.2);  color: var(--text); }
.val-item span:first-child { flex-shrink: 0; margin-top: 1px; }

/* ── Rec Cards ─────────────────────────────────────────────── */
#rec-cards { display: flex; flex-direction: column; gap: 14px; margin-bottom: 1.5rem; }

.rec-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden; position: relative;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.rec-card:hover { transform: translateY(-3px); box-shadow: var(--glow-green); }
.rec-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
}
.rec-card.primary::before { background: linear-gradient(90deg, #3ddc84, #00c8c8, #c8e600); }
.rec-card.alt::before     { background: linear-gradient(90deg, #0099aa, #00c8c8); }
.rec-card.primary { border-color: rgba(31,171,94,.35); }

.rec-card-header { padding: 24px 24px 16px; }
.rec-badges { display: flex; gap: 6px; margin-bottom: 10px; }
.rec-badge {
  font-family: 'Rajdhani', sans-serif; font-size: .7rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase; padding: 4px 12px; border-radius: 100px;
}
.rec-badge.top { background: linear-gradient(135deg, #3ddc84, #00c8c8); color: #000; }
.rec-badge.alt { background: rgba(0,153,170,.10); color: var(--teal); border: 1px solid rgba(0,153,170,.25); }

.rec-name    { font-size: 1.1rem; font-weight: 800; color: var(--text); }
.rec-tagline { font-size: .84rem; color: var(--muted); margin-top: 3px; line-height: 1.4; }
.rec-score-bar  { height: 4px; background: var(--border); border-radius: 100px; margin-top: 12px; }
.rec-score-fill { height: 100%; border-radius: 100px; background: linear-gradient(90deg, #3ddc84, #00c8c8); transition: width 1.2s cubic-bezier(.4,0,.2,1); }
.rec-score-fill.muted { background: linear-gradient(90deg, #0099aa, #00c8c8); }
.rec-card-body { padding: 0 24px 24px; }

.rec-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.rec-tag { font-size: .72rem; padding: 3px 9px; border-radius: 100px; border: 1px solid; }
.rec-tag.pro     { background: rgba(31,171,94,.08); border-color: rgba(31,171,94,.25); color: #0a6b3d; }
.rec-tag.con     { background: rgba(220,53,69,.06); border-color: rgba(220,53,69,.18); color: #8b1c1c; }
.rec-tag.neutral { background: var(--dark); border-color: var(--border); color: var(--muted); }

.rec-meta { font-size: .78rem; color: var(--muted); margin-top: 10px; font-family: 'Rajdhani', sans-serif; }
.rec-meta strong { color: var(--text); }

/* ── Arch Block ────────────────────────────────────────────── */
.arch-pre {
  font-family: 'Courier New', monospace; font-size: .77rem;
  background: var(--dark); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 16px 20px;
  white-space: pre; overflow-x: auto; line-height: 1.75; color: var(--muted); margin-bottom: 1.5rem;
}

/* ── Product List ──────────────────────────────────────────── */
.product-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
.product-row {
  display: flex; align-items: center; gap: 14px;
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 16px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.product-row:hover { transform: translateY(-2px); border-color: rgba(31,171,94,.3); box-shadow: 0 4px 16px rgba(31,171,94,.10); }
.product-emoji  { font-size: 1.2rem; flex-shrink: 0; }
.product-info   { flex: 1; min-width: 0; }
.product-name   { font-size: .88rem; font-weight: 700; color: var(--text); }
.product-detail { font-size: .75rem; color: var(--muted); margin-top: 1px; }
.product-price  { font-size: .88rem; font-weight: 700; color: var(--text); white-space: nowrap; }
.product-link {
  font-family: 'Rajdhani', sans-serif; font-size: .76rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase; color: var(--green); white-space: nowrap; flex-shrink: 0;
  padding: 5px 12px; border: 1px solid rgba(31,171,94,.4); border-radius: 4px;
  transition: background var(--transition); text-decoration: none;
}
.product-link:hover { background: rgba(31,171,94,.08); }

/* ── Cost Box ──────────────────────────────────────────────── */
.cost-box {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--dark); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 16px 20px; margin: 1.5rem 0;
}
.cost-label { font-size: .85rem; color: var(--muted); }
.cost-sub   { font-size: .75rem; color: var(--muted); margin-top: 2px; }
.cost-total {
  font-size: 1.4rem; font-weight: 900;
  background: linear-gradient(135deg, #3ddc84, #00c8c8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ── Lead Box / CTA ────────────────────────────────────────── */
.kfg-lead-box {
  background: linear-gradient(135deg, rgba(31,171,94,.06), rgba(0,153,170,.04));
  border: 1px solid rgba(31,171,94,.18); border-radius: var(--radius-sm);
  padding: 16px 20px; margin-bottom: 24px;
}
.kfg-lead-box p { font-size: .9rem; color: var(--muted); line-height: 1.65; }

.cta-box {
  background: linear-gradient(135deg, rgba(31,171,94,.06), rgba(0,153,170,.04));
  border: 1px solid rgba(31,171,94,.2); border-radius: var(--radius-md);
  padding: 28px 32px; margin-bottom: 1.5rem;
}
.cta-box-title { font-size: 1.05rem; font-weight: 800; margin-bottom: 6px; }
.cta-box-desc  { font-size: .88rem; color: var(--muted); margin-bottom: 18px; line-height: 1.6; }
.cta-form { display: flex; gap: 10px; flex-wrap: wrap; }
.cta-form input { flex: 1; min-width: 200px; }
#cta-success { margin-top: 12px; }

/* ── Step Nav ──────────────────────────────────────────────── */
.kfg-step-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 48px 28px; border-top: 1px solid var(--border); gap: 12px;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn-primary,
.kfg-btn-next {
  background: linear-gradient(135deg, #3ddc84, #00c8c8); color: #000;
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: .9rem;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 13px 36px; border: none; border-radius: 8px; cursor: pointer;
  box-shadow: 0 4px 18px rgba(31,171,94,.30);
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn-primary:hover,
.kfg-btn-next:hover { opacity: .88; transform: translateY(-2px); box-shadow: 0 6px 24px rgba(31,171,94,.40); }
.btn-primary:disabled,
.kfg-btn-next:disabled { opacity: .35; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-ghost,
.kfg-btn-back {
  background: none; border: 1px solid var(--border); color: var(--muted);
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: .83rem;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 11px 24px; border-radius: 8px; cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}
.btn-ghost:hover,
.kfg-btn-back:hover { border-color: var(--teal); color: var(--teal); }
.kfg-btn-back:disabled { opacity: .3; cursor: not-allowed; }

.btn-ghost-full {
  display: block; width: 100%; margin-top: 10px;
  background: none; border: 1px solid rgba(0,153,170,.4); color: var(--teal);
  font-family: 'Rajdhani', sans-serif; font-weight: 700;
  font-size: .88rem; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 13px 20px; border-radius: 8px; cursor: pointer;
  transition: background var(--transition); text-align: center;
}
.btn-ghost-full:hover { background: rgba(0,153,170,.06); }

/* ── Form Inputs ───────────────────────────────────────────── */
.fg { margin-bottom: 16px; }
input[type=text], input[type=email], input[type=tel] {
  width: 100%; background: #f5f8ff; border: 1px solid var(--border); color: var(--text);
  padding: 10px 14px; border-radius: 4px;
  font-family: 'Exo 2', sans-serif; font-size: .9rem; transition: border-color var(--transition);
}
input:focus { outline: none; border-color: var(--green); }
textarea {
  width: 100%; background: #f5f8ff; border: 1px solid var(--border); color: var(--text);
  padding: 10px 14px; border-radius: 4px;
  font-family: 'Exo 2', sans-serif; font-size: .875rem;
  min-height: 90px; resize: vertical; transition: border-color var(--transition);
}
textarea:focus { outline: none; border-color: var(--green); }
.input-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ── Budget Grid ───────────────────────────────────────────── */
.budget-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.budget-btn {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  background: var(--card-bg); border: 2px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 10px;
  cursor: pointer; text-align: center;
  transition: border-color var(--transition), background var(--transition);
}
.budget-btn:hover { border-color: rgba(0,153,170,.45); }
.budget-btn.selected { border-color: var(--green); background: rgba(31,171,94,.07); box-shadow: 0 0 0 3px rgba(31,171,94,.12); }
.budget-label { font-size: .88rem; font-weight: 700; color: var(--text); }
.budget-sub   { font-size: .72rem; color: var(--muted); }

/* ── Room Grid ─────────────────────────────────────────────── */
.room-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 10px; margin-bottom: 1.5rem;
}
.room-btn {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  background: var(--card-bg); border: 2px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 8px;
  cursor: pointer; text-align: center;
  transition: border-color var(--transition), background var(--transition), transform .15s;
}
.room-btn:hover { border-color: rgba(0,153,170,.45); transform: translateY(-2px); }
.room-btn.selected { border-color: var(--green); background: rgba(31,171,94,.07); box-shadow: 0 0 0 3px rgba(31,171,94,.12); }
.room-emoji { font-size: 1.3rem; }
.room-name  { font-size: .73rem; font-weight: 700; color: var(--text); line-height: 1.3; }

/* ── Expert Divider ────────────────────────────────────────── */
.kfg-divider {
  font-family: 'Rajdhani', sans-serif; font-size: .72rem; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase; color: var(--teal);
  margin: 1.75rem 0 1.25rem; display: flex; align-items: center; gap: 10px;
}
.kfg-divider::before, .kfg-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

/* ── Success Panel ─────────────────────────────────────────── */
.kfg-success-panel { display: none; padding: 64px 48px; text-align: center; animation: kfgStepIn .4s ease; }
.kfg-success-panel.active { display: block; }
.kfg-success-icon { font-size: 4rem; display: block; margin-bottom: 24px; animation: successPop .4s cubic-bezier(.175,.885,.32,1.275); }
@keyframes successPop { from { transform: scale(0); opacity:0; } to { transform: scale(1); opacity:1; } }
.kfg-success-panel h2 { font-size: 1.7rem; font-weight: 800; margin-bottom: 12px; }
.kfg-success-panel p  { color: var(--muted); max-width: 440px; margin: 0 auto 32px; line-height: 1.65; font-size: .95rem; }

/* ── Footer ────────────────────────────────────────────────── */
footer { background: var(--dark); border-top: 1px solid var(--border); padding: 28px 5%; }
.ft-bar { height: 3px; background: linear-gradient(90deg, #3ddc84, #00c8c8, #c8e600); }
.ft-bottom {
  max-width: 1200px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap; padding-top: 20px;
}
.ft-bottom p { font-size: .81rem; color: var(--muted); }
.ft-bottom a { color: var(--muted); }
.ft-bottom a:hover { color: var(--green); }

/* ── Fade-in ───────────────────────────────────────────────── */
.fu { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.fu.vis { opacity: 1; transform: none; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 820px) {
  .mode-grid   { grid-template-columns: 1fr 1fr; }
  .kfg-opts-5  { grid-template-columns: repeat(3, 1fr); }
  .kfg-opts-4  { grid-template-columns: repeat(2, 1fr); }
  .kfg-opts-3  { grid-template-columns: repeat(2, 1fr); }
  .budget-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  main { padding: 90px 16px 60px; }
  .screen { padding: 28px 20px 24px; }
  .kfg-step-nav { padding: 16px 20px 24px; flex-direction: column-reverse; }
  .kfg-success-panel { padding: 40px 20px; }
  .mode-grid   { grid-template-columns: 1fr; }
  .kfg-opts-3, .kfg-opts-4, .kfg-opts-5 { grid-template-columns: 1fr 1fr; }
  .budget-grid { grid-template-columns: 1fr 1fr; }
  .input-row   { grid-template-columns: 1fr; }
  .cta-form    { flex-direction: column; }
  .cta-form input { min-width: auto; }
  .cta-box     { padding: 20px; }
  .kfg-btn-next, .btn-primary { width: 100%; justify-content: center; }
  .kfg-btn-back, .btn-ghost   { width: 100%; text-align: center; }
}

@media (max-width: 400px) {
  .kfg-opts-2 { grid-template-columns: 1fr; }
}

/* ── Chip / Auswahlbuttons ────────────────────────────────────────────────────
   Design passend zur Homepage: Exo 2, grüner Akzent, gleicher Stil wie
   die übrigen Buttons im Konfigurator                                       */

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Exo 2', sans-serif;
  font-size: .88rem;
  font-weight: 600;
  color: var(--text);
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: 100px;
  padding: 9px 18px;
  cursor: pointer;
  transition: border-color .18s, background .18s, box-shadow .18s, transform .15s;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  line-height: 1.2;
}

.chip:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: rgba(0, 153, 170, .05);
  transform: translateY(-1px);
}

.chip.selected {
  border-color: var(--green);
  background: rgba(31, 171, 94, .08);
  color: var(--text);
  box-shadow: 0 0 0 3px rgba(31, 171, 94, .15);
}

.chip.selected:hover {
  border-color: var(--green);
  color: var(--text);
}

/* Größere Touch-Targets auf Mobile */
@media (max-width: 640px) {
  .chip {
    font-size: .84rem;
    padding: 10px 16px;
  }
  .chip-group {
    gap: 8px;
  }
}