/* ==========================================================================
   TAE Wertstoffe – Stylesheet
   Design-Tokens. Alle Farben und Abstände kommen von hier.
   ACHTUNG: Die Farbwerte sind PLATZHALTER. Echte Logo-Farben eintragen.
   ========================================================================== */

:root {
  /* Farbe — aus dem TAE-Logo (CMYK-PDF) ausgelesen.
     Grün, Blau und Orange sind die drei Markenfarben. */
  --ground:      #EEF0EB;   /* Seitenhintergrund, helles Neutralgrau */
  --paper:       #FFFFFF;   /* Karten, Flächen */
  --ink:         #1A1A1A;   /* Fließtext, Überschriften (Logo-Schwarz) */
  --ink-soft:    #5B635E;   /* Sekundärtext */

  --green:       #78CC24;   /* Markengrün — Primärakzent, Aktionen */
  --green-hover: #67B31C;   /* dunkleres Grün für Hover */
  --green-ink:   #4E8E14;   /* lesbares Grün für Text auf hellem Grund */
  --green-deep:  #17211B;   /* dunkle Flächen, damit alle Marken­farben darauf leuchten */

  --blue:        #48A8D8;   /* Markenblau — zweiter Akzent, Metall-Kontext */
  --signal:      #F0840C;   /* Markenorange — Aufmerksamkeitsakzent, sparsam */
  --signal-ink:  #C25E00;   /* lesbares Orange für Text auf hellem Grund */

  --rule:        #C9CCC5;   /* Linien */
  --rule-soft:   #DEE0DA;

  /* Typografie
     Systemschriften, damit die Seite offline ohne Nachladen funktioniert.
     Beim Livegang: eine eigene Display-Schrift selbst hosten (kein Google-CDN). */
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Raster */
  --wrap: 1140px;
  --gutter: 24px;
  --radius: 3px;
}

/* --- Reset ---------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 2px;
}

.skip {
  position: absolute; left: -9999px;
  background: var(--ink); color: var(--ground);
  padding: 12px 20px; z-index: 100;
}
.skip:focus { left: 12px; top: 12px; }

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* --- Typografie ----------------------------------------------------------- */

h1, h2, h3 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  text-wrap: balance;
}

h1 { font-size: clamp(2.5rem, 6.5vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
h3 { font-size: 1.15rem; letter-spacing: -0.01em; line-height: 1.3; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

/* Eyebrow: die Kleinschrift über jeder Sektion.
   Monospace, weil sie in dieser Branche Messwerte auszeichnet. */
.eyebrow {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.lead {
  font-size: clamp(1.05rem, 1.9vw, 1.3rem);
  color: var(--ink-soft);
  max-width: 58ch;
  line-height: 1.55;
}

/* --- Buttons -------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.btn--primary { background: var(--green); color: var(--ink); }
.btn--primary:hover { background: var(--green-hover); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--quiet { background: transparent; color: var(--ink-soft); padding-inline: 0; }
.btn--quiet:hover { color: var(--ink); }
.btn[disabled] { opacity: .4; cursor: not-allowed; }

/* --- Marken-Balken -------------------------------------------------------- */
/* Echo der drei Logo-Farben. Feiner Streifen am oberen Seitenrand. */
.brandbar {
  height: 4px;
  background: linear-gradient(90deg,
    var(--green) 0%, var(--green) 33%,
    var(--blue) 33%, var(--blue) 66%,
    var(--signal) 66%, var(--signal) 100%);
}

/* --- Kopfzeile ------------------------------------------------------------ */

.masthead {
  position: sticky; top: 0; z-index: 50;
  background: var(--ground);
  border-bottom: 1px solid var(--rule);
}
.masthead__inner {
  display: flex; align-items: center; gap: 32px;
  height: 68px;
}
.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.logo img { height: 44px; width: auto; display: block; }
@media (max-width: 560px) { .logo img { height: 40px; } }

.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a {
  text-decoration: none;
  font-size: .93rem;
  color: var(--ink-soft);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); border-color: var(--signal); }

.masthead .btn { padding: 10px 18px; }

@media (max-width: 860px) {
  .nav { display: none; }
  .masthead .btn { margin-left: auto; }
}

/* --- Sektionen ------------------------------------------------------------ */

.section { padding: clamp(64px, 9vw, 116px) 0; }
.section--dark { background: var(--green-deep); color: var(--ground); }
.section--dark .eyebrow { color: #8FA096; }
.section--dark .eyebrow::after { background: #33473C; }
.section--dark .lead { color: #B4BEB8; }

/* --- Hero ----------------------------------------------------------------- */

.hero { padding: clamp(48px, 7vw, 92px) 0 clamp(56px, 7vw, 100px); }
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero h1 { margin-bottom: 26px; }
.hero h1 em { font-style: normal; color: var(--green-ink); }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
}

/* --- Signature: die Materialkarte ---------------------------------------- */

.speccard {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 var(--rule-soft), 0 24px 48px -32px rgba(20,38,30,.45);
  overflow: hidden;
}
.speccard__head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 16px;
  padding: 16px 22px;
  background: var(--green-deep);
  color: var(--ground);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.speccard__head b { color: var(--signal); font-weight: 500; }

.speccard__title {
  padding: 26px 22px 20px;
  border-bottom: 1px solid var(--rule-soft);
}
.speccard__title .name {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.1;
}
.speccard__title .sub {
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--ink-soft);
  margin-top: 6px;
}

/* Datenzeilen: Label links, Wert rechts, gepunktete Führungslinie dazwischen. */
.speccard__rows { padding: 8px 22px 20px; }
.specrow {
  display: flex; align-items: baseline; gap: 10px;
  padding: 11px 0;
  border-bottom: 1px dotted var(--rule);
  font-family: var(--mono);
  font-size: .84rem;
}
.specrow:last-child { border-bottom: 0; }
.specrow dt { color: var(--ink-soft); letter-spacing: .04em; }
.specrow dd { margin: 0 0 0 auto; font-weight: 600; text-align: right; }

/* Farbstreifen der Fraktion */
.speccard__chip { height: 8px; width: 100%; background: var(--ink); }

.speccard__foot {
  padding: 14px 22px;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--ink-soft);
  display: flex; justify-content: space-between; gap: 12px;
}

/* Wechsel der Fraktionen: die einzige Animation auf der Seite. */
.speccard__body { transition: opacity .35s ease; }
.speccard.is-swapping .speccard__body { opacity: 0; }

.speccard__dots { display: flex; gap: 6px; }
.speccard__dots button {
  width: 7px; height: 7px; padding: 0;
  border: 0; border-radius: 50%;
  background: var(--rule);
  cursor: pointer;
}
.speccard__dots button[aria-pressed="true"] { background: var(--signal); }

/* --- Faktenband ----------------------------------------------------------- */

.facts {
  border-block: 1px solid var(--rule);
  background: var(--paper);
}
.facts__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.fact {
  padding: 28px 24px;
  border-left: 1px solid var(--rule-soft);
}
.fact:first-child { border-left: 0; }
.fact b {
  display: block;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -.03em;
}
.fact span {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
@media (max-width: 760px) {
  .facts__inner { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(3) { border-left: 0; }
  .fact:nth-child(n+3) { border-top: 1px solid var(--rule-soft); }
}

/* --- Leistungen ----------------------------------------------------------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px;
}
.card {
  position: relative;
  background: var(--paper);
  padding: 30px 26px 26px;
  display: flex; flex-direction: column;
  text-decoration: none;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--green);
  border-radius: 4px;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:nth-child(2) { border-top-color: var(--blue); }
.card:nth-child(3) { border-top-color: var(--signal); }
.card:nth-child(4) { border-top-color: var(--green); }
.card:nth-child(5) { border-top-color: var(--blue); }
.card:nth-child(6) { border-top-color: var(--signal); }
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px -18px rgba(0,0,0,.35);
}
.card__tag {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 16px;
}
.card h3 { margin-bottom: 10px; font-size: 1.3rem; }
.card p { font-size: .93rem; color: var(--ink-soft); line-height: 1.55; }
.card__go {
  margin-top: auto;
  padding-top: 22px;
  font-family: var(--mono);
  font-size: .82rem; font-weight: 600; color: var(--green-ink);
  letter-spacing: .02em;
}

/* --- Anlagentabelle ------------------------------------------------------- */

.plants { width: 100%; border-collapse: collapse; margin-top: 40px; }
.plants caption { text-align: left; color: #8FA096; font-family: var(--mono);
  font-size: .74rem; letter-spacing: .1em; padding-bottom: 14px; }
.plants th, .plants td {
  text-align: left;
  padding: 18px 16px 18px 0;
  border-bottom: 1px solid #2C4237;
  font-size: .92rem;
  vertical-align: top;
}
.plants thead th {
  font-family: var(--mono);
  font-size: .7rem; letter-spacing: .14em; text-transform: uppercase;
  color: #8FA096; font-weight: 500;
}
.plants tbody th { font-family: var(--mono); font-weight: 700; color: #fff; white-space: nowrap; }
.plants td { color: #B4BEB8; }
.plants .yes { color: var(--signal); font-family: var(--mono); }
.plants .no  { color: #5D6E64; font-family: var(--mono); }

@media (max-width: 700px) {
  .plants thead { position: absolute; left: -9999px; }
  .plants tr { display: block; padding: 16px 0; border-bottom: 1px solid #2C4237; }
  .plants th, .plants td { display: block; border: 0; padding: 3px 0; }
  .plants td::before { content: attr(data-label) " · "; color: #8FA096; font-family: var(--mono); font-size: .72rem; }
}

/* --- Zwei-Spalten-Block --------------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.hours { font-family: var(--mono); font-size: .92rem; margin-top: 8px; }
.hours div {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 12px 0; border-bottom: 1px dotted var(--rule);
}
.hours span:last-child { font-weight: 600; }

.callout {
  border-left: 3px solid var(--signal);
  padding: 4px 0 4px 20px;
  color: var(--ink-soft);
  font-size: .93rem;
}

/* --- Fußzeile ------------------------------------------------------------- */

.foot { background: var(--green-deep); color: #B4BEB8; padding: 72px 0 32px; }
.foot a { color: #B4BEB8; text-decoration: none; }
.foot a:hover { color: #fff; }
.foot__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px;
  padding-bottom: 48px; border-bottom: 1px solid #2C4237;
}
.foot h4 {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .14em;
  text-transform: uppercase; color: #8FA096; margin: 0 0 18px; font-weight: 500;
}
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { margin-bottom: 10px; font-size: .93rem; }
.foot__bar {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  padding-top: 28px;
  font-family: var(--mono); font-size: .74rem; letter-spacing: .06em;
}
@media (max-width: 760px) { .foot__grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   Anfrage-Assistent
   ========================================================================== */

.assistant { max-width: 720px; margin-inline: auto; }

.steps {
  display: flex; gap: 6px; margin-bottom: 44px;
}
.steps li {
  flex: 1; list-style: none;
  font-family: var(--mono); font-size: .68rem;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-soft);
  padding-top: 12px;
  border-top: 3px solid var(--rule);
}
.steps li[data-state="done"]    { border-color: var(--green); color: var(--green-ink); }
.steps li[data-state="current"] { border-color: var(--signal); color: var(--ink); font-weight: 600; }

.step { display: none; }
.step[data-active] { display: block; animation: rise .28s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.step h2 { margin-bottom: 12px; }
.step .lead { margin-bottom: 32px; }

/* Auswahlkacheln */
.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .choices { grid-template-columns: 1fr; } }

.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.choice label {
  display: block;
  padding: 22px 22px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .12s ease, box-shadow .12s ease;
}
.choice label b { display: block; font-size: 1.02rem; margin-bottom: 4px; }
.choice label small {
  font-family: var(--mono); font-size: .76rem; color: var(--ink-soft);
  line-height: 1.5; display: block;
}
.choice input:checked + label {
  border-color: var(--green);
  box-shadow: inset 0 0 0 1px var(--green);
}
/* Auswahl trägt die Markenfarbe des jeweiligen Materials. */
#m2:checked + label,
#m5:checked + label { border-color: var(--blue);   box-shadow: inset 0 0 0 1px var(--blue); }
#m3:checked + label { border-color: var(--signal);  box-shadow: inset 0 0 0 1px var(--signal); }
#m4:checked + label { border-color: var(--ink);     box-shadow: inset 0 0 0 1px var(--ink); }
.choice input:focus-visible + label { outline: 3px solid var(--signal); outline-offset: 2px; }

/* Felder */
.field { margin-bottom: 22px; }
.field label {
  display: block; margin-bottom: 7px;
  font-family: var(--mono); font-size: .72rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft);
}
.field input, .field textarea, .field select {
  width: 100%;
  padding: 13px 15px;
  font: inherit; font-size: .97rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  color: var(--ink);
}
.field input:focus, .field textarea:focus { border-color: var(--green); }
.field textarea { min-height: 120px; resize: vertical; }
.field__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .field__row { grid-template-columns: 1fr; } }

.req { color: var(--signal); }

/* Honeypot – für Menschen unsichtbar, für Bots verlockend. Ersetzt die Rechenaufgabe. */
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* Foto-Upload */
.drop {
  border: 2px dashed var(--rule);
  border-radius: var(--radius);
  padding: 44px 24px;
  text-align: center;
  background: var(--paper);
  transition: border-color .12s ease, background .12s ease;
}
.drop.is-over { border-color: var(--green); background: #F2F6F3; }
.drop p { color: var(--ink-soft); font-size: .92rem; }
.drop input[type="file"] { display: none; }

.thumbs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.thumb { position: relative; width: 92px; height: 92px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--rule); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb button {
  position: absolute; top: 3px; right: 3px;
  width: 22px; height: 22px; padding: 0;
  border: 0; border-radius: 50%;
  background: rgba(23,28,26,.82); color: #fff;
  font-size: 13px; line-height: 1; cursor: pointer;
}

/* Navigation im Assistenten */
.step__nav {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--rule);
}

.error {
  color: var(--signal-ink); font-size: .88rem; margin-top: 10px;
  font-family: var(--mono);
}
.error:empty { display: none; }

/* Zusammenfassung */
.summary { background: var(--paper); border: 1px solid var(--rule); border-radius: var(--radius); }
.summary__head { padding: 22px; border-bottom: 1px solid var(--rule-soft); }
.summary__head b { font-size: 1.2rem; }
.summary dl { margin: 0; padding: 8px 22px 22px; }

/* --- Social-Icons in der Fußzeile ---------------------------------------- */
/* Reine Links (SVG), kein nachgeladener Plattform-Code, kein Tracking. */
.social { display: flex; gap: 12px; margin-top: 20px; }
.social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border: 1px solid #33473C;
  border-radius: 8px;
  color: #B4BEB8;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.social a:hover { color: #fff; border-color: var(--green); background: rgba(120,204,36,.12); }
.social svg { width: 19px; height: 19px; fill: currentColor; }

/* --- Schnellkontakt-Leiste (fest am Rand) -------------------------------- */
.quickcontact {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.quickcontact a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  background: var(--ink);
  color: #fff;
  transition: width .18s ease, background .18s ease;
  overflow: hidden;
  text-decoration: none;
  position: relative;
}
.quickcontact a:first-child { border-top-left-radius: 8px; }
.quickcontact a:last-child  { border-bottom-left-radius: 8px; }
.quickcontact a svg { width: 20px; height: 20px; fill: currentColor; flex-shrink: 0; }
.quickcontact a.qc-call:hover  { background: var(--green); }
.quickcontact a.qc-mail:hover  { background: var(--blue); }
/* Auf dem Handy als Balken unten quer, damit der Daumen ihn erreicht */
@media (max-width: 640px) {
  .quickcontact {
    top: auto; bottom: 0; right: 0; left: 0;
    transform: none;
    flex-direction: row;
    gap: 0;
  }
  .quickcontact a {
    flex: 1;
    width: auto; height: 52px;
    border-radius: 0 !important;
    gap: 10px;
    font-weight: 600; font-size: .95rem;
  }
  .quickcontact a .qc-label { display: inline; }
}
@media (min-width: 641px) {
  .quickcontact a .qc-label { display: none; }
}