/* ═══════════════════════════════════════════════════════════════════
   rein24 Gebäudeservice – Website-Briefing
   style.css  v4.0
   ═══════════════════════════════════════════════════════════════════ */

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

:root {
  --a:    #1d6e45;
  --a2:   #27955e;
  --a3:   #15522f;
  --al:   #eaf4ee;
  --am:   #b8ddc8;
  --t:    #111827;
  --t2:   #374151;
  --m:    #6b7280;
  --b:    #e5e7eb;
  --b2:   #f3f4f6;
  --bg:   #f7f8fa;
  --r:    10px;
  --r2:   14px;
  --sh:   0 1px 3px rgba(0,0,0,.06), 0 4px 14px rgba(0,0,0,.05);
  --sh2:  0 4px 24px rgba(0,0,0,.08);
  --nav-w: 234px;
  --font: "Lato", sans-serif;
}

html  { scroll-behavior: smooth; }
body  {
  font-family: var(--font);
  background: var(--bg);
  color: var(--t);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Side Navigation ────────────────────────────────────────────── */
.sidenav {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--nav-w);
  background: #fff;
  border-right: 1px solid var(--b);
  overflow-y: auto;
  z-index: 100;
  display: flex;
  flex-direction: column;
  scrollbar-width: thin;
  scrollbar-color: var(--b) transparent;
}
.sidenav::-webkit-scrollbar        { width: 3px; }
.sidenav::-webkit-scrollbar-thumb  { background: var(--b); border-radius: 3px; }

.sn-brand {
  padding: 18px 16px 15px;
  border-bottom: 1px solid var(--b);
  flex-shrink: 0;
}
.sn-brand-name {
  font-size: .92rem;
  font-weight: 900;
  color: var(--a);
  line-height: 1.2;
}
.sn-brand-sub {
  font-size: .65rem;
  color: var(--m);
  font-weight: 400;
  margin-top: 2px;
}

.sn-scroll { flex: 1; overflow-y: auto; padding-bottom: 6px; }

.sn-group          { padding: 8px 0 3px; }
.sn-group + .sn-group { border-top: 1px solid var(--b); margin-top: 2px; }
.sn-glabel {
  font-size: .59rem;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--m);
  padding: 5px 16px 3px;
  display: block;
}

.sn-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px;
  font-size: .75rem;
  font-weight: 700;
  color: var(--m);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all .15s;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
}
.sn-item:hover             { background: var(--al); color: var(--a); text-decoration: none; }
.sn-item.active            { background: var(--al); color: var(--a); border-left-color: var(--a); font-weight: 900; }
.sn-icon {
  width: 24px; height: 24px;
  border-radius: 6px;
  background: var(--al);
  display: flex; align-items: center; justify-content: center;
  font-size: .76rem;
  color: var(--a);
  flex-shrink: 0;
  transition: all .15s;
}
.sn-item.active .sn-icon   { background: var(--a); color: #fff; }
.sn-nr {
  font-size: .6rem;
  background: var(--b);
  color: var(--m);
  padding: 1px 5px;
  border-radius: 100px;
  margin-left: auto;
  flex-shrink: 0;
  font-weight: 900;
}
.sn-item.active .sn-nr     { background: var(--am); color: var(--a); }

.sn-foot {
  padding: 12px 16px;
  border-top: 1px solid var(--b);
  flex-shrink: 0;
}
.sn-prog-row {
  display: flex;
  justify-content: space-between;
  font-size: .67rem;
  color: var(--m);
  margin-bottom: 5px;
  font-weight: 700;
}
.sn-prog-track {
  height: 4px;
  background: var(--b);
  border-radius: 100px;
  overflow: hidden;
}
.sn-prog-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--a), var(--a2));
  border-radius: 100px;
  transition: width .35s ease;
  width: 0%;
}

/* ── Top Bar (mobile) ────────────────────────────────────────────── */
.topbar {
  display: none;
  position: sticky;
  top: 0; z-index: 200;
  background: #fff;
  border-bottom: 1px solid var(--b);
  padding: 10px 14px;
  align-items: center;
  gap: 10px;
}
.tb-brand  { font-size: .88rem; font-weight: 900; color: var(--a); }
.tb-prog   { flex: 1; height: 3px; background: var(--b); border-radius: 100px; overflow: hidden; margin: 0 8px; }
.tb-bar    { height: 100%; background: var(--a); border-radius: 100px; transition: width .35s; width: 0%; }
.tb-pct    { font-size: .72rem; font-weight: 900; color: var(--a); min-width: 34px; text-align: right; }
.burger    { background: none; border: none; font-size: 1.2rem; color: var(--t); cursor: pointer; padding: 0; line-height: 1; }

/* ── Drawer (mobile nav) ─────────────────────────────────────────── */
.drw-ov {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.3);
  z-index: 300;
}
.drw-ov.open { display: block; }

.drw {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 250px;
  background: #fff;
  z-index: 400;
  transform: translateX(-100%);
  transition: transform .25s ease;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.drw.open  { transform: translateX(0); }
.drw-head  { padding: 15px 15px 12px; border-bottom: 1px solid var(--b); padding-right: 38px; }
.drw-head-name { font-size: .88rem; font-weight: 900; color: var(--a); }
.drw-head-sub  { font-size: .66rem; color: var(--m); font-weight: 400; }
.drw-cls {
  position: absolute;
  top: 13px; right: 13px;
  background: none; border: none;
  font-size: 1.15rem; cursor: pointer; color: var(--m);
}

/* ── Main Content ────────────────────────────────────────────────── */
.main       { margin-left: var(--nav-w); min-height: 100vh; }
.main-inner { max-width: 780px; padding: 38px 34px 90px; margin: 0 auto; }

/* ── Page Header ─────────────────────────────────────────────────── */
.page-hd {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--b);
}
.page-hd h1 {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--t);
  letter-spacing: -.5px;
  margin-bottom: 6px;
  line-height: 1.2;
}
.page-hd h1 span { color: var(--a); }
.page-hd p  { color: var(--m); font-size: .84rem; max-width: 530px; font-weight: 400; }
.hd-badges  { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 12px; }
.hd-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .67rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 100px;
  background: var(--al);
  color: var(--a);
  border: 1px solid var(--am);
}

/* ── Part Divider ────────────────────────────────────────────────── */
.part-div {
  margin: 52px 0 38px;
  padding: 26px 28px 22px;
  background: #fff;
  border: 1.5px solid var(--b);
  border-radius: var(--r2);
  position: relative;
  overflow: hidden;
}
.part-div::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--a), var(--a2));
}
.part-lbl {
  font-size: .6rem;
  font-weight: 900;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--a);
  margin-bottom: 7px;
}
.part-title {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--t);
  letter-spacing: -.35px;
  margin-bottom: 6px;
}
.part-desc {
  font-size: .82rem;
  color: var(--m);
  font-weight: 400;
  max-width: 520px;
  line-height: 1.6;
}
.part-badges { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 12px; }
.pbadge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .67rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 100px;
  background: var(--al);
  color: var(--a);
  border: 1px solid var(--am);
}

/* ── Section ─────────────────────────────────────────────────────── */
.sec {
  margin-bottom: 44px;
  scroll-margin-top: 78px;
}
.sec-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 15px;
  border-bottom: 1.5px solid var(--b);
}
.sec-icon {
  width: 38px; height: 38px;
  border-radius: 9px;
  background: var(--al);
  border: 1px solid var(--am);
  display: flex; align-items: center; justify-content: center;
  font-size: .94rem;
  color: var(--a);
  flex-shrink: 0;
}
.sec-nr    { font-size: .6rem; font-weight: 900; letter-spacing: 2px; color: var(--m); text-transform: uppercase; display: block; }
.sec-title { font-size: 1.06rem; font-weight: 900; color: var(--t); letter-spacing: -.15px; }

/* ── Question Card ───────────────────────────────────────────────── */
.qc {
  background: #fff;
  border: 1.5px solid var(--b);
  border-radius: var(--r);
  padding: 16px 18px;
  margin-bottom: 10px;
  transition: border-color .18s, box-shadow .18s;
}
.qc:hover         { border-color: var(--am); box-shadow: var(--sh); }
.qc.filled        { border-color: var(--am); border-left: 3px solid var(--a); }
.qc.hidden        { display: none !important; }
.qc.cin           { animation: cin .28s ease both; }
@keyframes cin    { from { opacity:0; transform:translateY(-6px); } to { opacity:1; transform:translateY(0); } }

.cond-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .63rem;
  font-weight: 700;
  color: var(--a);
  background: var(--al);
  border: 1px solid var(--am);
  border-radius: 100px;
  padding: 2px 8px;
  margin-bottom: 8px;
}

.q-lbl {
  font-size: .86rem;
  font-weight: 700;
  color: var(--t);
  display: block;
  margin-bottom: 5px;
}
.q-hint {
  font-size: .74rem;
  color: var(--m);
  line-height: 1.55;
  margin-bottom: 10px;
  padding: 6px 10px;
  background: var(--al);
  border-radius: 6px;
  border-left: 2px solid var(--am);
  font-weight: 400;
}
.q-hint strong { color: var(--a); font-weight: 700; }

/* ── Form Controls ───────────────────────────────────────────────── */
.form-control {
  border: 1.5px solid var(--b);
  border-radius: 8px;
  font-size: .85rem;
  color: var(--t);
  background: #fff;
  padding: 8px 12px;
  transition: border-color .18s, box-shadow .18s;
  font-family: var(--font);
  font-weight: 400;
  width: 100%;
}
.form-control:focus {
  border-color: var(--a);
  box-shadow: 0 0 0 3px rgba(29,110,69,.1);
  outline: none;
}
.form-control::placeholder { color: #c0c4cc; font-weight: 400; }
textarea.form-control { min-height: 78px; resize: vertical; display: block; }

/* ── Pills ───────────────────────────────────────────────────────── */
.pills { display: flex; flex-wrap: wrap; gap: 6px; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 13px;
  border-radius: 100px;
  border: 1.5px solid var(--b);
  background: #fff;
  font-size: .78rem;
  color: var(--m);
  cursor: pointer;
  transition: all .15s;
  user-select: none;
  font-weight: 700;
  font-family: var(--font);
}
.pill:hover  { border-color: var(--a2); color: var(--a); }
.pill.on     { background: var(--al); border-color: var(--a); color: var(--a); }
.pill i      { font-size: .78rem; }
.pill input  { display: none; }

/* ── Range Slider ────────────────────────────────────────────────── */
.rng-wrap { margin-top: 6px; }
.rng-row  { display: flex; align-items: center; gap: 12px; }
.rval {
  background: var(--al);
  color: var(--a);
  border: 1.5px solid var(--am);
  border-radius: 100px;
  padding: 3px 12px;
  font-size: .82rem;
  font-weight: 900;
  min-width: 48px;
  text-align: center;
  font-family: var(--font);
}
input[type=range] {
  -webkit-appearance: none;
  flex: 1;
  height: 4px;
  background: var(--b);
  border-radius: 100px;
  outline: none;
  border: none;
  cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 17px; height: 17px;
  border-radius: 50%;
  background: var(--a);
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
  cursor: pointer;
}
input[type=range]::-moz-range-thumb {
  width: 17px; height: 17px;
  border-radius: 50%;
  background: var(--a);
  border: 2px solid #fff;
}
.rng-mm {
  display: flex;
  justify-content: space-between;
  font-size: .67rem;
  color: var(--m);
  margin-top: 4px;
  font-weight: 400;
}

/* ── Status Bar ──────────────────────────────────────────────────── */
.statusbar {
  position: fixed;
  bottom: 20px; right: 20px;
  z-index: 500;
  display: flex;
  align-items: center;
  gap: 7px;
  background: #fff;
  border: 1.5px solid var(--b);
  border-radius: 100px;
  padding: 7px 15px;
  font-size: .73rem;
  color: var(--m);
  box-shadow: var(--sh);
  transition: all .25s;
  font-family: var(--font);
  font-weight: 700;
}
.statusbar.saving { border-color: var(--a2); color: var(--a); }
.statusbar.saved  { border-color: var(--am); color: var(--a); }
.statusbar.err    { border-color: #dc2626;   color: #dc2626; }

.sdot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--b);
  flex-shrink: 0;
  transition: background .25s;
}
.statusbar.saving .sdot { background: var(--a2); animation: sdp .7s ease infinite alternate; }
.statusbar.saved  .sdot { background: var(--a); }
.statusbar.err    .sdot { background: #dc2626; }
@keyframes sdp { from { opacity:.3; transform:scale(.7); } to { opacity:1; transform:scale(1); } }

/* ── Toast ───────────────────────────────────────────────────────── */
.toast-wrap {
  position: fixed;
  bottom: 62px; right: 20px;
  z-index: 600;
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: flex-end;
}
.toast-item {
  background: #fff;
  border: 1.5px solid var(--am);
  color: var(--a);
  padding: 7px 14px;
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 700;
  box-shadow: var(--sh);
  animation: tin .26s ease;
  font-family: var(--font);
}
@keyframes tin { from { transform:translateX(26px); opacity:0; } to { transform:translateX(0); opacity:1; } }

/* ── Completion Overlay ──────────────────────────────────────────── */
.comp-ov {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(247,248,250,.94);
  z-index: 999;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.comp-box {
  background: #fff;
  border: 1.5px solid var(--am);
  border-radius: var(--r2);
  padding: 40px 36px;
  text-align: center;
  max-width: 390px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0,0,0,.1);
  animation: pop .36s cubic-bezier(.34,1.56,.64,1);
}
@keyframes pop { from { transform:scale(.82); opacity:0; } to { transform:scale(1); opacity:1; } }
.comp-icon {
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--al);
  border: 2px solid var(--am);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: var(--a);
  margin: 0 auto 16px;
}
.comp-box h2  { font-size: 1.18rem; font-weight: 900; color: var(--t); margin-bottom: 7px; }
.comp-box p   { color: var(--m); font-size: .82rem; margin-bottom: 22px; font-weight: 400; }
.btn-ok {
  background: var(--a);
  color: #fff;
  border: none;
  padding: 11px 28px;
  border-radius: 100px;
  font-size: .84rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font);
  transition: background .18s;
}
.btn-ok:hover { background: var(--a2); }

/* ── Footer Note ─────────────────────────────────────────────────── */
.foot-note {
  padding: 28px 0 14px;
  border-top: 1px solid var(--b);
  text-align: center;
}
.foot-note p  { font-size: .73rem; color: var(--m); font-weight: 400; }

/* ── Animations (section reveal) ────────────────────────────────── */
.sec, .part-div {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .44s ease, transform .44s ease;
}
.sec.visible, .part-div.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidenav    { display: none; }
  .main       { margin-left: 0; }
  .main-inner { padding: 18px 14px 80px; }
  .topbar     { display: flex; }
  .page-hd h1 { font-size: 1.28rem; }
  .part-title { font-size: 1.14rem; }
  .sec        { opacity: 1 !important; transform: none !important; }
  .part-div   { opacity: 1 !important; transform: none !important; }
}