/* =============================================================
   RKB | Rohstoffkontor Braun  –  Design System
   Modernes Redesign, Markenfarbe Grün (#75b725)
   ============================================================= */

/* ---------- Design Tokens ---------- */
:root {
  /* Brand */
  --green: #75b725;
  --green-600: #66a11f;
  --green-700: #55871a;
  --green-050: #f0f7e6;
  --green-100: #e2efd0;

  /* Neutrals */
  --ink: #1b2410;
  --text: #2f3a26;
  --muted: #6b7563;
  --line: #e4e8de;
  --bg: #ffffff;
  --bg-soft: #f6f8f2;
  --bg-dark: #1e2a15;
  --bg-dark-2: #26361b;

  /* Accent */
  --danger: #d8232a;

  /* UI */
  --radius: 14px;
  --radius-sm: 9px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 3px rgba(27, 36, 16, .08), 0 1px 2px rgba(27, 36, 16, .06);
  --shadow: 0 10px 30px -12px rgba(27, 36, 16, .22);
  --shadow-lg: 0 24px 60px -20px rgba(27, 36, 16, .30);
  --container: 1200px;
  --header-h: 78px;

  --sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-700); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--green); }

h1, h2, h3, h4 {
  color: var(--ink);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -.02em;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1rem; }
ul, ol { margin: 0 0 1rem; padding-left: 1.25rem; }
li { margin: .3rem 0; }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(18px, 4vw, 34px); }
.section { padding: clamp(48px, 7vw, 96px) 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding-block: clamp(32px, 4vw, 56px); }
.narrow { max-width: 780px; }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }

.eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green-700);
  margin-bottom: .6rem;
}
.lead { font-size: 1.18rem; color: var(--muted); }

.section-head { max-width: 720px; margin: 0 auto clamp(32px, 5vw, 56px); text-align: center; }
.section-head p { margin-bottom: 0; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--green);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  gap: .55em;
  padding: .85em 1.5em;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 2px solid var(--btn-bg);
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  font-size: .98rem;
  cursor: pointer;
  transition: transform .15s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
  box-shadow: var(--shadow-sm);
}
.btn:hover { background: var(--green-700); border-color: var(--green-700); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--ink); border-color: var(--line); box-shadow: none; }
.btn--ghost:hover { background: var(--green-050); border-color: var(--green); color: var(--green-700); }
.btn--light { --btn-bg: #fff; --btn-fg: var(--green-700); border-color: #fff; }
.btn--light:hover { background: var(--green-050); border-color: var(--green-050); color: var(--green-700); }
.btn--lg { padding: 1em 1.9em; font-size: 1.05rem; }
.btn__arrow { transition: transform .2s ease; }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; height: var(--header-h);
}
.brand { display: flex; align-items: center; gap: .6rem; flex-shrink: 0; }
.brand img { height: 46px; width: auto; }
.nav-menu { display: flex; align-items: center; gap: .3rem; list-style: none; margin: 0; padding: 0; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  display: block; padding: .6rem .85rem; color: var(--ink); font-weight: 600; font-size: .97rem;
  border-radius: 8px;
}
.nav-menu > li > a:hover,
.nav-menu > li.is-open > a,
.nav-menu > li > a[aria-current="page"] { color: var(--green-700); background: var(--green-050); }
.has-sub > a::after {
  content: ""; display: inline-block; width: .42em; height: .42em; margin-left: .45em;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg); transition: transform .2s ease;
}
.has-sub.is-open > a::after { transform: translateY(1px) rotate(-135deg); }

.submenu {
  list-style: none; margin: 0; padding: .4rem;
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 240px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.nav-menu > li:hover .submenu,
.nav-menu > li.is-open .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.submenu a { display: block; padding: .6rem .8rem; border-radius: 8px; color: var(--text); font-weight: 500; font-size: .95rem; }
.submenu a:hover { background: var(--green-050); color: var(--green-700); }

.nav-actions { display: flex; align-items: center; gap: .6rem; flex-shrink: 0; }
.nav-toggle { display: none; }
.nav-cta-mobile { display: none; } /* nur im mobilen Menü sichtbar */

/* Mobile nav */
.hamburger {
  display: none; width: 46px; height: 46px; border: 1px solid var(--line); background: #fff;
  border-radius: 10px; cursor: pointer; padding: 0; align-items: center; justify-content: center;
}
.hamburger span, .hamburger span::before, .hamburger span::after {
  content: ""; display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform .22s ease, opacity .2s ease; position: relative;
}
.hamburger span::before { position: absolute; top: -7px; }
.hamburger span::after { position: absolute; top: 7px; }
body.nav-open .hamburger span { background: transparent; }
body.nav-open .hamburger span::before { transform: translateY(7px) rotate(45deg); }
body.nav-open .hamburger span::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; }
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(14,23,7,.92) 0%, rgba(14,23,7,.78) 40%, rgba(14,23,7,.5) 70%, rgba(14,23,7,.28) 100%),
    linear-gradient(0deg, rgba(14,23,7,.45) 0%, rgba(14,23,7,0) 45%);
}
.hero__inner { position: relative; z-index: 1; padding: clamp(70px, 12vw, 150px) 0; max-width: 660px; }
.hero h1 { color: #fff; text-shadow: 0 2px 18px rgba(0,0,0,.45); }
.hero p { color: #fff; font-size: 1.2rem; margin-bottom: 1.8rem; text-shadow: 0 1px 10px rgba(0,0,0,.5); }
.hero .eyebrow { color: #c6ef92; text-shadow: 0 1px 8px rgba(0,0,0,.5); }
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; }

/* Compact page hero (interior pages) */
.pagehero { position: relative; color: #fff; }
.pagehero__media { position: absolute; inset: 0; z-index: 0; }
.pagehero__media img { width: 100%; height: 100%; object-fit: cover; }
.pagehero__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(14,23,7,.9) 0%, rgba(14,23,7,.72) 45%, rgba(14,23,7,.45) 100%); }
.pagehero__inner { position: relative; z-index: 1; padding: clamp(48px, 8vw, 96px) 0; max-width: 760px; }
.pagehero h1 { color: #fff; margin-bottom: .3rem; text-shadow: 0 2px 16px rgba(0,0,0,.45); }
.pagehero p { color: #fff; font-size: 1.12rem; margin: 0; text-shadow: 0 1px 10px rgba(0,0,0,.5); }
.pagehero .eyebrow { color: #c6ef92; text-shadow: 0 1px 8px rgba(0,0,0,.5); }
.pagehero .hero__actions { margin-top: clamp(1.5rem, 3vw, 2.1rem); }

/* Breadcrumb */
.crumbs { font-size: .9rem; color: rgba(255,255,255,.8); margin-bottom: 1rem; }
.crumbs a { color: rgba(255,255,255,.9); }
.crumbs a:hover { color: #fff; }
.crumbs span { opacity: .6; margin: 0 .4em; }

/* ---------- Grid / Cards ---------- */
.grid { display: grid; gap: clamp(18px, 2.4vw, 28px); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--green-100); }
.card__media { aspect-ratio: 16 / 10; overflow: hidden; }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card:hover .card__media img { transform: scale(1.06); }
.card__body { padding: 1.3rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.card__body h3 { margin-bottom: .4rem; }
.card__body p { color: var(--muted); font-size: .97rem; margin-bottom: 1rem; }
.card__link {
  margin-top: auto; font-weight: 700; color: var(--green-700);
  display: inline-flex; align-items: center; gap: .4em;
}
.card__link::after { content: "→"; transition: transform .2s ease; }
.card:hover .card__link::after { transform: translateX(4px); }

/* Feature (icon) tiles */
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; box-shadow: var(--shadow-sm); }
.feature__icon {
  width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  background: var(--green-050); color: var(--green-700); margin-bottom: 1rem;
}
.feature__icon svg { width: 26px; height: 26px; }
.feature h3 { font-size: 1.12rem; }
.feature p { color: var(--muted); font-size: .96rem; margin: 0; }

/* ---------- Split (media + text) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.split--reverse .split__media { order: 2; }
.split__media img { border-radius: var(--radius-lg); box-shadow: var(--shadow); width: 100%; object-fit: cover; }
.split__body h2 { margin-bottom: .8rem; }

/* Text oben, breites Bild darunter (media-band) */
.media-band { margin: clamp(28px, 4vw, 48px) auto 0; }
.media-band img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow); display: block; }
.media-band figcaption { text-align: center; color: var(--muted); font-size: .9rem; margin-top: .9rem; }

/* ====== Container-Größenvergleich (Containerdienst) ====== */
.cv { display: grid; grid-template-columns: 1fr minmax(280px, 340px); gap: clamp(24px, 4vw, 48px); align-items: center; }
.cv__stage { display: flex; align-items: flex-end; justify-content: center; gap: clamp(6px, 1.4vw, 20px); height: clamp(210px, 26vw, 272px); padding: 14px 6px 0; overflow: visible; }
.cv__ref { flex-shrink: 0; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; gap: .4rem; }
.cv__person { width: 24px; height: 74%; background: var(--line); border-radius: 12px 12px 8px 8px; position: relative; opacity: .7; }
.cv__person::before { content: ""; position: absolute; top: -15px; left: 50%; transform: translateX(-50%); width: 15px; height: 15px; border-radius: 50%; background: var(--line); }
.cv__reflabel { font-size: .72rem; color: var(--muted); white-space: nowrap; }
.cv__item { flex: 0 1 var(--w); min-width: 0; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: .55rem; background: none; border: 0; padding: 0; cursor: pointer; font: inherit; }
.cv__silo { position: relative; width: 100%; height: var(--h); background: linear-gradient(155deg, #9fb0a0, #68766a); box-shadow: inset 0 2px 0 rgba(255,255,255,.25), inset 0 0 0 1px rgba(0,0,0,.08); overflow: hidden; transition: transform .3s ease, filter .3s ease; transform-origin: bottom; }
.cv__silo--absetz { clip-path: polygon(0 0, 100% 0, 85% 100%, 15% 100%); }
.cv__silo--abroll { clip-path: polygon(0 16%, 100% 0, 100% 100%, 0 100%); }
.cv__fill { position: absolute; left: 0; right: 0; bottom: 0; height: 0; background: linear-gradient(180deg, var(--green), var(--green-700)); transition: height .7s cubic-bezier(.22,.8,.28,1); }
.cv__cap { font-weight: 800; color: var(--ink); font-size: clamp(.7rem, 1.7vw, .92rem); white-space: nowrap; }
.cv__item:hover .cv__silo { transform: translateY(-4px); }
.cv__item.is-active .cv__silo { filter: drop-shadow(0 10px 18px rgba(117,183,37,.45)); transform: translateY(-6px); }
.cv__item.is-active .cv__cap { color: var(--green-700); }
.cv--in .cv__silo { animation: cvGrow .7s cubic-bezier(.22,.9,.3,1) backwards; animation-delay: calc(var(--i, 0) * .08s); }
@keyframes cvGrow { from { transform: scaleY(0); } to { transform: scaleY(1); } }
.cv__panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: clamp(20px, 3vw, 32px); }
.cv__big { font-size: clamp(2.2rem, 5vw, 3rem); font-weight: 800; color: var(--green-700); line-height: 1; letter-spacing: -.03em; }
.cv__typ { font-weight: 700; color: var(--ink); margin: .35rem 0 .7rem; }
.cv__use { color: var(--muted); font-size: .96rem; margin: 0; min-height: 3.2em; }
.cv__cmp { background: var(--green-050); color: var(--green-700); border-radius: 10px; padding: .6rem .9rem; font-size: .9rem; margin: 1rem 0 1.3rem; font-weight: 600; }
@media (max-width: 860px) { .cv { grid-template-columns: 1fr; } }

/* ====== Recycling-Kreislauf (Startseite) ====== */
.cycle-section { background: radial-gradient(130% 120% at 50% -10%, #26371c 0%, var(--bg-dark) 62%); color: #dbe6cd; }
.cycle-section .eyebrow { color: #b6e57f; }
.cycle-section h2 { color: #fff; }
.cycle-section .section-head p { color: rgba(255,255,255,.82); }
.cycle { position: relative; width: min(760px, 92vw); aspect-ratio: 78 / 44; margin: clamp(8px, 2vw, 24px) auto 0; }
.cycle > svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.cycle__track { fill: none; stroke: rgba(182,229,127,.28); stroke-width: 2; stroke-dasharray: 5 11; animation: cycleDash 4.5s linear infinite; }
@keyframes cycleDash { to { stroke-dashoffset: -160; } }
.cycle__dot { fill: #d7ff9e; filter: drop-shadow(0 0 6px rgba(182,229,127,.95)) drop-shadow(0 0 15px rgba(117,183,37,.85)); }
.cycle__trail { fill: #b6e57f; pointer-events: none; }
.cycle__glyph { fill: none; stroke: #b6e57f; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; opacity: .92; }
.cycle__hub { transform-box: fill-box; transform-origin: center; }  /* skalierbar um eigene Mitte (mobil verkleinert) */
.cycle__node { position: absolute; transform: translate(-50%, -50%); }
.cycle__node .ic {
  position: relative; width: clamp(56px, 9vw, 74px); height: clamp(56px, 9vw, 74px);
  border-radius: 50%; display: grid; place-items: center;
  background: rgba(117,183,37,.12); border: 1px solid rgba(182,229,127,.35); color: #9ec978;
  transition: background .35s ease, border-color .35s ease, color .35s ease, box-shadow .5s ease, transform .45s cubic-bezier(.34,1.56,.64,1);
}
.cycle__node .ic svg { width: 62%; height: 62%; transition: filter .35s ease; }
.cycle__node .ic::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid rgba(182,229,127,.7); opacity: 0; transform: scale(.7); pointer-events: none; }
.cycle__node.is-lit .ic { background: radial-gradient(circle at 50% 40%, rgba(160,224,96,.55), rgba(117,183,37,.32)); border-color: #c6ef92; color: #fff; transform: scale(1.14); box-shadow: 0 0 0 3px rgba(182,229,127,.25), 0 0 30px 6px rgba(140,212,80,.6); }
.cycle__node.is-lit .ic svg { filter: drop-shadow(0 0 5px rgba(255,255,255,.75)); }
.cycle__node.is-lit .ic::after { animation: cycleRipple .7s ease-out; }
@keyframes cycleRipple { from { opacity: .85; transform: scale(.7); } to { opacity: 0; transform: scale(1.75); } }
.cycle__label { position: absolute; white-space: nowrap; }
.cycle__label b { display: block; color: rgba(255,255,255,.86); font-size: .98rem; transition: color .35s ease, text-shadow .35s ease; }
.cycle__sub { display: block; color: rgba(255,255,255,.55); font-size: .79rem; transition: color .35s ease; }
.cycle__node.is-lit .cycle__label b { color: #fff; text-shadow: 0 0 12px rgba(140,212,80,.7); }
.cycle__node.is-lit .cycle__sub { color: rgba(255,255,255,.8); }
.cycle__node--1 { top: 11.4%; left: 50%; }  .cycle__node--1 .cycle__label { top: calc(100% + 8px); left: 50%; transform: translateX(-50%); text-align: center; }
.cycle__node--2 { top: 50%; left: 92.3%; }  .cycle__node--2 .cycle__label { right: calc(100% + 14px); top: 50%; transform: translateY(-50%); text-align: right; }
.cycle__node--3 { top: 88.6%; left: 50%; }  .cycle__node--3 .cycle__label { bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%); text-align: center; }
.cycle__node--4 { top: 50%; left: 7.7%; }   .cycle__node--4 .cycle__label { left: calc(100% + 14px); top: 50%; transform: translateY(-50%); text-align: left; }
@media (max-width: 620px) {
  .cycle__sub { display: none; }
  .cycle__label b { font-size: .78rem; }
  .cycle__hub { transform: scale(.68); }            /* drehende Mittel-Pfeile kleiner */
  .cycle__node .ic { width: 48px; height: 48px; }   /* kleinere Icons -> mehr Platz */
  .cycle__node--1 .cycle__label { top: calc(100% + 2px); }
  .cycle__node--3 .cycle__label { bottom: calc(100% + 2px); }
}

/* ====== Container-Finder ====== */
.finder { background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg); box-shadow:var(--shadow); padding:clamp(22px,3.5vw,40px); max-width:880px; margin-inline:auto; }
.finder__step { margin-bottom:1.5rem; }
.finder__step > label { display:block; font-weight:700; color:var(--ink); margin-bottom:.75rem; }
.finder__step > label span { color:var(--green-700); font-weight:800; margin-right:.35rem; }
.chip-group { display:flex; flex-wrap:wrap; gap:.55rem; }
.chip-opt { padding:.6rem 1.05rem; border:1.5px solid var(--line); border-radius:999px; background:#fff; font:inherit; font-size:.95rem; font-weight:600; color:var(--text); cursor:pointer; transition:background .15s ease, border-color .15s ease, color .15s ease; }
.chip-opt:hover { border-color:var(--green); color:var(--green-700); }
.chip-opt.is-sel { background:var(--green); border-color:var(--green); color:#fff; }
.finder__result { margin-top:1.7rem; padding:1.3rem 1.5rem; border-radius:var(--radius); background:var(--green-050); border:1px solid var(--green-100); display:flex; flex-wrap:wrap; align-items:center; gap:1rem 1.4rem; opacity:0; transform:translateY(8px); transition:opacity .3s ease, transform .3s ease; }
.finder__result.is-shown { opacity:1; transform:none; }
.finder__rec { font-size:1.15rem; color:var(--ink); }
.finder__rec b { color:var(--green-700); }
.finder__result .btn { margin-left:auto; }

/* ====== CO2-Rechner ====== */
.calc { display:grid; grid-template-columns:1fr 1fr; gap:clamp(24px,4vw,48px); align-items:center; }
.calc__control label { display:block; font-weight:700; color:var(--ink); margin-bottom:1rem; }
.calc__val { color:var(--green-700); font-weight:800; }
.calc__slider { width:100%; -webkit-appearance:none; appearance:none; height:8px; border-radius:999px; background:linear-gradient(90deg,var(--green) 0%,var(--green) 18%,var(--line) 18%); outline:none; }
.calc__slider::-webkit-slider-thumb { -webkit-appearance:none; width:26px; height:26px; border-radius:50%; background:#fff; border:3px solid var(--green); box-shadow:var(--shadow-sm); cursor:pointer; }
.calc__slider::-moz-range-thumb { width:22px; height:22px; border-radius:50%; background:#fff; border:3px solid var(--green); cursor:pointer; }
.calc__scale { display:flex; justify-content:space-between; font-size:.8rem; color:var(--muted); margin-top:.5rem; }
.calc__out { background:linear-gradient(150deg,var(--green-700),var(--green)); color:#fff; border-radius:var(--radius-lg); padding:clamp(22px,3vw,34px); text-align:center; box-shadow:var(--shadow); }
.calc__co2 { font-size:clamp(2.2rem,5vw,3.2rem); font-weight:800; line-height:1; }
.calc__co2 small { font-size:1rem; font-weight:600; opacity:.88; }
.calc__label { color:rgba(255,255,255,.9); margin:.4rem 0 1.1rem; }
.calc__eq { display:flex; gap:.8rem; justify-content:center; flex-wrap:wrap; }
.calc__eq div { background:rgba(255,255,255,.15); border-radius:12px; padding:.6rem .9rem; font-size:.82rem; min-width:120px; }
.calc__eq b { display:block; font-size:1.15rem; }
@media (max-width:760px) { .calc { grid-template-columns:1fr; } }

/* ====== FAQ ====== */
.faq { max-width:820px; margin-inline:auto; }
.faq__item { border:1px solid var(--line); border-radius:var(--radius); margin-bottom:.8rem; background:#fff; }
.faq__item summary { list-style:none; cursor:pointer; padding:1.1rem 1.3rem; font-weight:700; color:var(--ink); display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.faq__item summary::-webkit-details-marker { display:none; }
.faq__item summary::after { content:"+"; font-size:1.5rem; color:var(--green); font-weight:400; line-height:1; transition:transform .2s ease; }
.faq__item[open] summary::after { transform:rotate(45deg); }
.faq__item summary:hover { color:var(--green-700); }
.faq__a { padding:0 1.3rem 1.2rem; color:var(--muted); }
.faq__a p { margin:0; }

/* ====== Öffnungs-Status ====== */
.open-badge { display:inline-flex; align-items:center; gap:.5rem; font-weight:600; }
.open-badge__dot { width:9px; height:9px; border-radius:50%; background:#9fae8c; flex-shrink:0; }
.open-badge.is-open .open-badge__dot { background:#8bd450; animation:pulseDot 2s ease-out infinite; }
.open-badge.is-closed .open-badge__dot { background:#d8823a; }
@keyframes pulseDot { 0% { box-shadow:0 0 0 0 rgba(139,212,80,.6); } 100% { box-shadow:0 0 0 8px rgba(139,212,80,0); } }

/* Check list */
.checklist { list-style: none; padding: 0; margin: 1.2rem 0; }
.checklist li { position: relative; padding-left: 2rem; margin: .55rem 0; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .35em; width: 1.15rem; height: 1.15rem;
  background: var(--green); border-radius: 50%;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/78% no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/78% no-repeat;
}

/* Tag-Liste (z. B. akzeptierte Abfallarten) */
.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .7rem; justify-content: center; }
.tags li {
  display: inline-flex; align-items: center; gap: .55rem;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: .55rem 1.15rem; font-weight: 600; color: var(--ink); box-shadow: var(--shadow-sm);
}
.tags li::before {
  content: ""; width: 1.05rem; height: 1.05rem; flex-shrink: 0; background: var(--green); border-radius: 50%;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/72% no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/72% no-repeat;
}

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; text-align: center; }
.stat__num { font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800; color: var(--green); line-height: 1; }
.stat__label { color: var(--muted); font-size: .95rem; margin-top: .4rem; }

/* CTA band */
.cta-band { background: linear-gradient(120deg, var(--green-700), var(--green)); color: #fff; border-radius: var(--radius-lg); padding: clamp(32px, 5vw, 60px); text-align: center; box-shadow: var(--shadow); margin-top: clamp(40px, 6vw, 72px); }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.92); max-width: 560px; margin: 0 auto 1.6rem; }

/* Certificate logos */
.logo-strip { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: clamp(24px, 5vw, 60px); }
.logo-strip img { height: 74px; width: auto; filter: grayscale(1); opacity: .7; transition: filter .2s ease, opacity .2s ease; }
.logo-strip img:hover { filter: none; opacity: 1; }

/* Prose (article content) */
.prose { max-width: 820px; }
.prose h2 { margin-top: 2rem; }
.prose h3 { margin-top: 1.6rem; color: var(--green-700); }
.prose img { border-radius: var(--radius); margin: 1.4rem 0; }
.prose ul li { margin: .4rem 0; }
.prose blockquote {
  margin: 1.6rem 0; padding: 1rem 1.5rem; border-left: 4px solid var(--green);
  background: var(--bg-soft); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-style: italic; color: var(--text);
}

/* ---------- Forms ---------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(24px, 4vw, 44px); box-shadow: var(--shadow); }
.field { margin-bottom: 1.15rem; }
.field label { display: block; font-weight: 600; color: var(--ink); margin-bottom: .4rem; font-size: .95rem; }
.field .req { color: var(--danger); }
.field input, .field select, .field textarea {
  width: 100%; padding: .8rem 1rem; border: 1.5px solid var(--line); border-radius: 10px;
  font: inherit; color: var(--text); background: #fff; transition: border-color .16s ease, box-shadow .16s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--green); box-shadow: 0 0 0 3px var(--green-050);
}
.field textarea { min-height: 150px; resize: vertical; }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }
.form-note { font-size: .85rem; color: var(--muted); }
.form-error { color: var(--danger); font-size: .85rem; margin-top: .35rem; display: none; }
.field.invalid input, .field.invalid textarea, .field.invalid select { border-color: var(--danger); }
.field.invalid .form-error { display: block; }

/* Info list (contact) */
.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li { display: flex; gap: .9rem; align-items: flex-start; padding: .7rem 0; border-bottom: 1px solid var(--line); }
.info-list li:last-child { border-bottom: 0; }
.info-list .ico { flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px; background: var(--green-050); color: var(--green-700); display: grid; place-items: center; }
.info-list .ico svg { width: 20px; height: 20px; }
.info-list b { color: var(--ink); display: block; font-size: .9rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-dark); color: #c8d3bd; padding: clamp(48px, 7vw, 80px) 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: clamp(28px, 4vw, 48px); }
.site-footer h4 { color: #fff; font-size: 1rem; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 1.1rem; }
.site-footer a { color: #c8d3bd; }
.site-footer a:hover { color: var(--green); }
.footer-brand img { height: 52px; margin-bottom: 1rem; }
.footer-brand p { color: #9fae8c; font-size: .95rem; max-width: 34ch; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin: .5rem 0; }
.footer-contact { list-style: none; padding: 0; margin: 0; font-size: .95rem; }
.footer-contact li { margin: .55rem 0; color: #c8d3bd; }
.footer-bottom {
  margin-top: clamp(36px, 5vw, 60px); border-top: 1px solid rgba(255,255,255,.12); padding: 1.5rem 0;
  display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; align-items: center; justify-content: space-between;
  font-size: .88rem; color: #8b9a78;
}
.footer-bottom nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .hamburger { display: inline-flex; }
  /* Header scrollt auf Mobil mit der Seite (nicht mehr fixiert); Blur weg,
     damit er kein Bezugsrahmen fuer das fixierte Menue ist, z-index bleibt aktiv. */
  .site-header { position: relative; background: #fff; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .nav-menu {
    position: fixed; top: var(--header-h); right: 0; bottom: auto; left: auto;
    height: calc(100vh - var(--header-h)); height: calc(100dvh - var(--header-h)); width: min(360px, 84vw);
    flex-direction: column; align-items: stretch; gap: .1rem;
    background: #fff; padding: 1rem; overflow-y: auto;
    box-shadow: var(--shadow-lg); transform: translateX(100%); transition: transform .28s ease;
  }
  body.nav-open .nav-menu { transform: translateX(0); }
  body.nav-open { overflow: hidden; }
  .nav-menu > li > a { padding: .85rem .8rem; border-radius: 10px; }
  .submenu {
    position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none;
    border: 0; border-left: 2px solid var(--green-100); border-radius: 0; margin: 0 0 .4rem .8rem;
    padding: 0 0 0 .4rem; max-height: 0; overflow: hidden; transition: max-height .25s ease;
  }
  .nav-menu > li.is-open .submenu { max-height: 400px; }
  .nav-cta-desktop { display: none; }
  .nav-cta-mobile { display: block; }
  .split { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
}
@media (max-width: 620px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .field--row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  body { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}