/* ============================================================
   aquaEnergy Relaunch — Design-Tokens & Hero
   Stand: Stilfindung (Hero-Prototyp, zentriertes Layout)
   ============================================================ */

:root {
  /* ---- Brandfarben ---- */
  --navy:   #008A00;   /* Mittelgrün: Headlines, CTA und Flächen */
  --cyan:   #00FF00;   /* Hellgrün: Leuchtende Akzente           */
  --blue:   #008A00;   /* Mittelgrün: Links und Grafikelemente   */
  --bg:     #F2F2EE;   /* warmer heller Grundton                  */

  /* ---- abgeleitete Töne ---- */
  --surface:    #FFFFFF;
  --ink:        var(--navy);
  --ink-muted:  #4F5F52;             /* neutrales Grün-Grau für Fließtext */
  --line:       #DEDED7;             /* Hairlines auf --bg        */
  --cyan-soft:  #E8FFE8;             /* Grüner Wash für Badges    */

  /* ---- Typografie ---- */
  --font-head: 'Outfit', sans-serif;
  --font-body: 'Hanken Grotesk', 'Helvetica Neue', Arial, sans-serif;

  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-hero: clamp(2.1rem, 3.7vw, 3.25rem);

  --lh-display: 1.16;
  --lh-body:    1.6;

  /* ---- Layout ---- */
  --container: 84rem;
  --radius:    14px;
  --radius-lg: 22px;
}

/* Shared site footer: rendered by navigation.js on every public page. */
.site-footer {
  padding: clamp(3rem, 6vw, 5rem) 0 1.5rem;
  border-top: 1px solid rgba(31, 52, 72, 0.12);
  background: #fff;
  color: var(--ink-muted, #536271);
}

.site-footer__main {
  display: grid;
  grid-template-columns: minmax(17rem, 1.5fr) repeat(3, minmax(8rem, 0.55fr));
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.site-footer__brand > a {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  color: inherit;
  text-decoration: none;
}

.site-footer__brand > a img {
  width: auto;
  height: clamp(4.5rem, 7vw, 6rem);
  max-width: min(100%, 12rem);
  object-fit: contain;
}

.site-footer__brand > a span {
  font-size: 0.76rem;
  font-weight: 500;
}

.site-footer__brand > p {
  max-width: 24rem;
  margin: 1.15rem 0 1.5rem;
  font-size: 0.9rem;
  line-height: 1.55;
}

.site-footer__awards {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.site-footer__awards img {
  width: auto;
  max-width: 8.5rem;
  height: 2.7rem;
  object-fit: contain;
  object-position: left center;
}

.site-footer__column {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.7rem;
}

.site-footer__column > p {
  margin: 0 0 0.35rem;
  color: var(--ink, #203449);
  font-size: 0.76rem;
  font-weight: 700;
}

.site-footer a {
  color: inherit;
  font-size: 0.84rem;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: #006600;
}

.site-footer address {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin: 0;
  font-size: 0.84rem;
  font-style: normal;
  line-height: 1.55;
}

.site-footer__base {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(31, 52, 72, 0.12);
}

.site-footer__base > div {
  display: flex;
  gap: 1.25rem;
}

.site-footer__base p {
  margin: 0;
  font-size: 0.72rem;
}

@media (max-width: 62rem) {
  .site-footer__main {
    grid-template-columns: 1.5fr repeat(2, 1fr);
  }

  .site-footer__column:last-child {
    grid-column: 2 / -1;
  }
}

@media (max-width: 42rem) {
  .site-footer__main {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__brand,
  .site-footer__column:last-child {
    grid-column: 1 / -1;
  }

  .site-footer__base {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

html {
  max-width: 100%;
  overflow-x: clip;
  scroll-behavior: smooth;
}

body {
  width: 100%;
  max-width: 100%;
  margin: 0;
  overflow-x: clip;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
video,
svg,
canvas,
iframe {
  max-width: 100%;
}

img { display: block; }

a { color: var(--blue); }

main ul li::marker,
main ol li::marker {
  color: var(--navy);
}

.container {
  width: min(100%, var(--container));
  max-width: var(--container);
  min-width: 0;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

@media (max-width: 42rem) {
  h1,
  h2,
  h3 {
    max-width: 100%;
    -webkit-hyphens: none;
    hyphens: none;
    overflow-wrap: normal;
    text-wrap: balance;
    word-break: normal;
  }
}

/* ============================================================
   Navigation
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  min-height: 4.5rem;
}

.nav__logo {
  flex: 0 0 auto;
}

.nav__logo img { height: 34px; width: auto; }

.nav__logo img.nav__logo-image--nobacor {
  height: 25px;
}

.nav__menu {
  margin-left: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  margin: 0;
  list-style: none;
  padding: 0;
}

.nav__item {
  position: relative;
}

.nav__links > .nav__item > a,
.nav__dropdown-trigger {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  font-family: var(--font-body);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0;
  padding-block: 0.35rem;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.nav__dropdown-trigger {
  position: relative;
  padding-right: 1.15rem;
}

.nav__dropdown-trigger .nav__chevron {
  position: absolute;
  top: 50%;
  right: 0.05rem;
  width: 0.42rem;
  height: 0.42rem;
  margin: 0;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  color: inherit;
  transform: translateY(-65%) rotate(45deg);
  transform-origin: center;
  transition: transform 180ms ease, color 150ms ease;
}

.nav__item.is-open .nav__dropdown-trigger .nav__chevron {
  transform: translateY(-35%) rotate(225deg);
}

.nav__links > .nav__item > a:hover,
.nav__dropdown-trigger:hover,
.nav__item.is-open > .nav__dropdown-trigger {
  color: var(--blue);
  border-bottom-color: var(--navy);
}

.nav__links > .nav__item > a[aria-current="page"] {
  color: var(--blue);
  border-bottom-color: var(--navy);
}

.nav__dropdown {
  position: absolute;
  top: calc(100% + 1rem);
  left: 0;
  z-index: 5;
  display: grid;
  gap: 0;
  min-width: 18rem;
  padding: 0.65rem;
  border: 1px solid rgba(0, 138, 0, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.99);
  box-shadow: 0 18px 42px -28px rgba(28, 46, 32, 0.28);
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.45rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

.nav__dropdown--right {
  right: 0;
  left: auto;
}

.nav__item.is-open > .nav__dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav__dropdown--compact > a {
  display: grid;
  gap: 0.28rem;
  padding: 0.9rem 1rem;
  border-radius: 4px;
  color: var(--ink-muted);
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease;
}

.nav__dropdown--compact > a:hover {
  background: #f5f7f4;
  color: var(--navy);
}

.nav__dropdown--compact strong {
  font-size: 0.92rem;
  font-weight: 650;
  line-height: 1.25;
}

.nav__dropdown--compact span {
  color: var(--ink-muted);
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.45;
}

.nav__dropdown--mega {
  left: 50%;
  width: min(42rem, calc(100vw - 2.5rem));
  grid-template-columns: 1.35fr 0.85fr;
  gap: 2.25rem;
  padding: 1.35rem;
  transform: translate(-50%, 0.45rem);
}

.nav__item.is-open > .nav__dropdown--mega {
  transform: translate(-50%, 0);
}

.nav__dropdown-group {
  display: grid;
  align-content: start;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.2rem 0.65rem;
}

.nav__dropdown-group:last-child {
  grid-template-columns: 1fr;
  padding-left: 2rem;
  border-left: 1px solid rgba(0, 138, 0, 0.14);
}

.nav__dropdown-group p {
  grid-column: 1 / -1;
  margin: 0 0 0.8rem;
  padding-inline: 0.7rem;
  color: var(--ink-muted);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0;
  text-transform: uppercase;
}

.nav__dropdown-group a {
  padding: 0.62rem 0.7rem;
  border-radius: 4px;
  color: var(--ink-muted);
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease;
}

.nav__dropdown-group a:hover {
  background: #f5f7f4;
  color: var(--navy);
}

.nav__dropdown a[aria-current="page"] {
  background: #f5f7f4;
  color: var(--navy);
  text-decoration: none;
}

.nav__menu-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  gap: 0.25rem;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav__menu-toggle span {
  display: block;
  width: 1.2rem;
  height: 1px;
  background: var(--navy);
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav__menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(0.31rem) rotate(45deg);
}

.nav__menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-0.31rem) rotate(-45deg);
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-base);
  text-decoration: none;
  border-radius: 8px;
  padding: 0.9rem 1.8rem;
  white-space: nowrap;
  transition: transform 0.15s, box-shadow 0.15s, background-color 0.15s, color 0.15s;
}

.btn--primary {
  background: var(--navy);
  color: #fff;
  box-shadow: 0 8px 20px -12px rgba(0, 138, 0, 0.6);
}

.btn--primary:hover {
  background: var(--blue);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 12px 24px -12px rgba(0, 138, 0, 0.55);
}

.btn--ghost {
  color: var(--navy);
  padding-inline: 0.4rem;
  font-weight: 600;
}

.btn--ghost:hover { color: var(--blue); }

.btn--nav {
  border: 1px solid var(--navy);
  background: var(--surface);
  color: var(--navy);
  padding: 0.58rem 1.15rem;
  font-size: var(--text-sm);
  font-weight: 600;
  box-shadow: none;
}

.btn--nav:hover {
  background: #f5f7f4;
  color: var(--navy);
  transform: none;
  box-shadow: none;
}

.btn__label-short {
  display: none;
}

/* ============================================================
   Hero (zentriert, Produktbild darunter — Layout-Referenz Ivan)
   ============================================================ */

/* Hero über die volle Viewport-Höhe (abzüglich Nav),
   Produktvideo als Vollflächen-Hintergrund, Text darüber */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: #fff;
  min-height: 100svh;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding-block: clamp(6.5rem, 14vh, 9rem) 0;
}

/* Badge-Pill über der Headline */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 1.15rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink-muted);
  box-shadow: 0 4px 14px -8px rgba(0, 138, 0, 0.25);
  margin: 0 0 1.6rem;
}
.hero__badge .chip {
  background: var(--navy);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 0.18rem 0.65rem;
}

.hero h1 {
  font-family: var(--font-head);
  font-size: var(--text-hero);
  line-height: var(--lh-display);
  font-weight: 400;
  font-style: normal;
  letter-spacing: 0;
  margin: 0 0 1.6rem;
  max-width: none;
  color: var(--ink-muted);
}

.hero h1 .accent { color: inherit; }

.hero__title-line {
  display: block;
}

.hero__benefits {
  display: grid;
  gap: 0.55rem;
  max-width: 34rem;
  margin: -0.35rem 0 1.65rem;
  padding: 0;
  color: var(--ink-muted);
  font-size: 1rem;
  line-height: 1.4;
  list-style: none;
}

.hero__benefits li {
  position: relative;
  padding-left: 1.15rem;
}

.hero__benefits li::before {
  content: "";
  position: absolute;
  top: 0.52em;
  left: 0;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--navy);
}

.hero__benefits strong {
  color: var(--ink-muted);
  font-weight: 700;
}

@media (min-width: 56.01rem) {
  .hero__title-line {
    white-space: nowrap;
  }
}

.hero__subline {
  font-size: var(--text-lg);
  color: var(--ink-muted);
  max-width: 32rem;
  margin: 0 0 1.9rem;
  text-wrap: pretty;
}

.hero__cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  gap: 1.4rem;
  margin-bottom: 0;
}

.hero__cta-row .btn--primary {
  border: 1px solid var(--navy);
  background: var(--surface);
  color: var(--navy);
  box-shadow: none;
}

.hero__cta-row .btn--primary:hover {
  background: var(--cyan-soft);
  color: var(--navy);
  box-shadow: none;
}

/* ---- Produktvideo: Vollflächen-Hintergrund des Heros ---- */

.hero__video {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__video video {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  /* Video etwas höher als der Hero + oben verankert: deckt die
     ganze Fläche lückenlos (kein weißer Streifen, keine Kante),
     dabei wird der untere Weißraum weggeschnitten und die
     Rohrleitung rutscht ins untere Drittel. */
  height: 116%;
  object-fit: cover;
  object-position: center top;
}

/* Nur ein sanfter, transparenter Verlauf im UNTEREN Bereich:
   hebt die Vertrauens-/Länderzeile lesbar ab und lässt die
   Rohrleitung zum Seitenende hin ruhig auslaufen.
   Oben KEIN Overlay – dort deckt der weiße Frame selbst. */
.hero__video::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0) 52%,
    rgba(255, 255, 255, 0.45) 78%,
    rgba(255, 255, 255, 0.82) 100%
  );
}

.badge {
  display: inline-block;
  background: var(--cyan-soft);
  color: var(--navy);
  border: 1px solid color-mix(in srgb, var(--cyan) 35%, transparent);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  border-radius: 999px;
  padding: 0.18rem 0.65rem;
}

/* Einblend-Animation */
.rise {
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.rise:nth-child(2) { animation-delay: 0.08s; }
.rise:nth-child(3) { animation-delay: 0.16s; }
.rise:nth-child(4) { animation-delay: 0.24s; }
.rise:nth-child(5) { animation-delay: 0.32s; }
.rise:nth-child(6) { animation-delay: 0.4s; }

@keyframes rise {
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .rise { animation: none; opacity: 1; transform: none; }
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 56rem) {
  .nav__logo img.nav__logo-image--nobacor {
    height: 22px;
  }

  .nav__inner {
    justify-content: flex-start;
    gap: 0.8rem;
  }

  .nav__menu-toggle {
    display: grid;
    margin-left: auto;
  }

  .nav__menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    max-height: calc(100svh - 4.5rem);
    margin: 0;
    overflow-y: auto;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.99);
  }

  .nav__menu.is-open {
    display: block;
  }

  .nav__links {
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    max-width: var(--container);
    margin-inline: auto;
    padding: 1rem clamp(1.25rem, 4vw, 2.5rem) 1.5rem;
  }

  .nav__item {
    border-bottom: 1px solid var(--line);
  }

  .nav__links > .nav__item > a,
  .nav__dropdown-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 0;
    font-size: 1rem;
    text-align: left;
  }

  .nav__dropdown-trigger {
    padding-right: 1.4rem;
  }

  .nav__dropdown {
    position: static;
    display: none;
    min-width: 0;
    width: auto;
    padding: 0 0 1.15rem 1rem;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .nav__item.is-open > .nav__dropdown,
  .nav__item.is-open > .nav__dropdown--mega {
    display: grid;
    transform: none;
  }

  .nav__dropdown--mega {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .nav__dropdown-group,
  .nav__dropdown-group:last-child {
    grid-template-columns: 1fr;
    padding-left: 0;
    border-left: 0;
  }

  .nav__dropdown--compact > a {
    padding: 0.75rem 0.7rem;
  }

  .nav__dropdown-group a {
    padding: 0.58rem 0.7rem;
  }

  .btn--nav { padding: 0.5rem 1rem; font-size: 0.8125rem; }

  .hero__inner { padding-block: clamp(5.5rem, 13vh, 7rem) 0; }

  .hero h1 { max-width: none; }
  /* Hochformat: normale Höhe, Ausschnitt tiefer legen, damit die
     Rohrleitung im Bild bleibt. Oben ein leichter Fade für die
     Headline (Text steht hier über die volle Breite), unten wie Desktop. */
  .hero__video video { height: 100%; object-position: center 72%; }

  .hero__video::after {
    background: linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.55) 0%,
      rgba(255, 255, 255, 0) 22%,
      rgba(255, 255, 255, 0) 55%,
      rgba(255, 255, 255, 0.45) 80%,
      rgba(255, 255, 255, 0.82) 100%
    );
  }
}

@media (max-width: 32rem) {
  .nav__inner {
    gap: 0.6rem;
  }

  .nav__logo img {
    height: 30px;
  }

  .nav__logo img.nav__logo-image--nobacor {
    height: 19px;
  }

  .btn--nav {
    padding: 0.52rem 0.8rem;
  }

  .btn__label-full {
    display: none;
  }

  .btn__label-short {
    display: inline;
  }
}


/* ============================================================
   Sektionen & Komponenten (restliche Startseite)
   ============================================================ */

/* Antigravity-Prinzip: jede Sektion ist eine eigene „Bühne" —
   mind. volle Bildschirmhöhe, Inhalt vertikal zentriert,
   großzügige Statement-Typografie, viel Weißraum. */
.section {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100svh;
  padding-block: clamp(6rem, 14vh, 11rem);
}

.section--tint { background: var(--bg); }

/* Sektionskopf: zentriert als großes Statement */
.section__head {
  max-width: 68rem;
  margin-inline: auto;
  margin-bottom: clamp(3.5rem, 9vh, 6.5rem);
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 1.6rem;
}
.eyebrow::before,
.section__head .eyebrow::after {
  content: "";
  width: 2rem;
  height: 2px;
  background: var(--ink-muted);
  border-radius: 2px;
}

.section__title {
  font-family: var(--font-head);
  font-style: normal;
  font-weight: 400;
  font-size: clamp(2.1rem, 4.1vw, 3.6rem);
  line-height: 1.16;
  letter-spacing: 0;
  margin: 0 0 1.6rem;
  color: var(--ink-muted);
}
/* Scroll-Text-Mask-Reveal: blasser Basistext (Ghost), farbige Fill-Ebene
   füllt sich beim Scrollen von unten. Ohne JS bleibt der Titel im Bodytext-Grau. */
.section__title.has-mask { position: relative; color: rgba(79, 95, 82, 0.20); }
.section__title .title-fill {
  position: absolute;
  inset: 0;
  color: var(--ink-muted);
  clip-path: inset(100% 0 0 0);
  pointer-events: none;
  padding-bottom: 0.08em; /* Raum für kursive Unterlängen */
}

.section__lead {
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  line-height: 1.65;
  color: var(--ink-muted);
  margin: 0;
  max-width: 42rem;
  text-wrap: pretty;
}
.section__head .section__lead { margin-inline: auto; }

/* In Split-Layouts (Text neben Medien) bleibt der Kopf linksbündig
   und eine Stufe kleiner */
.split .eyebrow::after { content: none; }
.split .section__title { font-size: clamp(2rem, 3.4vw, 3rem); }
.split__text { text-align: left; }

.footnote {
  font-size: var(--text-sm);
  color: var(--ink-muted);
  margin: clamp(2.5rem, 5vh, 4rem) auto 0;
  max-width: 46rem;
  text-align: center;
}

/* ---- Grids ---- */
.grid { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

/* ---- Cards ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 3.2vw, 3rem);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 48px -30px rgba(0, 138, 0, 0.4);
}
.card__metric { margin: 0 0 0.75rem; }
.card__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--ink-muted);
}
.card__text { margin: 0; color: var(--ink-muted); font-size: 0.975rem; }

/* großer Zahlen-Look */
.num {
  font-family: var(--font-body);
  font-weight: 800;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}
.card__metric .num { font-size: clamp(2.4rem, 4vw, 3.2rem); line-height: 1; color: var(--blue); }

/* ---- Split (Text + Media) ---- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.split--center { align-items: center; }
.split__text .section__title { margin-top: 0.2rem; }
.ticklist {
  list-style: none;
  margin: 1.75rem 0 2rem;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}
.ticklist li {
  position: relative;
  padding-left: 2rem;
  color: var(--ink-muted);
}
.ticklist li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.35em;
  width: 1.1rem; height: 1.1rem;
  border-radius: 50%;
  background: var(--cyan-soft);
  border: 2px solid var(--navy);
}
.ticklist li::after {
  content: "";
  position: absolute;
  left: 0.34rem; top: 0.62em;
  width: 0.36rem; height: 0.18rem;
  border-left: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
  transform: rotate(-45deg);
}
.split__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 40px 80px -50px rgba(0, 138, 0, 0.45);
}
.split__media img { width: 100%; height: auto; display: block; }
.split__media figcaption {
  padding: 0.85rem 1.25rem;
  font-size: var(--text-sm);
  color: var(--ink-muted);
  border-top: 1px solid var(--line);
  background: var(--surface);
}

/* ---- Tabs ---- */
.tabs__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(2.5rem, 6vh, 4.5rem);
}
.tabs__tab {
  appearance: none;
  border: none;
  background: none;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-muted);
  padding: 1rem 0.25rem;
  margin-inline: 1.1rem;
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}
.tabs__tab::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s cubic-bezier(0.22,1,0.36,1);
}
.tabs__tab:hover { color: var(--navy); }
.tabs__tab.is-active { color: var(--navy); }
.tabs__tab.is-active::after { transform: scaleX(1); }
.tabs--lg .tabs__tab { font-size: clamp(1rem, 1.6vw, 1.25rem); }

.tabs__panel { display: none; }
.tabs__panel.is-active { display: block; }

/* Proof (Wissenschaft) */
.proof {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}
.proof--partners { grid-template-columns: 1fr; }
.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  background: var(--cyan-soft);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  margin-bottom: 1rem;
}
.proof__lead h3 {
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  color: var(--ink-muted);
  margin: 0 0 0.85rem;
  line-height: 1.25;
}
.proof__lead h3 em { font-style: italic; color: inherit; }
.proof__lead p { color: var(--ink-muted); margin: 0; }

.proof__chart { display: grid; gap: 0.75rem; }
.bar { display: grid; grid-template-columns: 4.5rem 1fr auto; align-items: center; gap: 0.75rem; }
.bar__label { font-size: var(--text-sm); color: var(--ink-muted); font-weight: 600; }
.bar__track { height: 0.7rem; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.bar__fill {
  display: block; height: 100%;
  width: var(--v);
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  border-radius: 999px;
  transform-origin: left;
  transform: scaleX(0);
}
.bar__val { font-size: var(--text-sm); font-weight: 700; color: var(--navy); font-variant-numeric: tabular-nums; }

.proof__aside { display: grid; gap: 0.5rem; }
.proof__stat { margin: 0; font-weight: 600; color: var(--ink-muted); }
.proof__stat .num { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-right: 0.35rem; color: var(--blue); }
.proof__stat-sub { display: inline-block; margin-left: 0.5rem; font-size: var(--text-sm); }
.proof__note { margin: 0.75rem 0 0; font-size: 0.95rem; color: var(--ink-muted); }

.quote--inline { margin: 1.25rem 0 0; }

/* Branche */
.branche { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.branche__pain { font-size: 1.05rem; color: var(--navy); margin: 0 0 1.5rem; }
.branche__pain .label,
.branche__refs .label {
  display: block;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-muted); margin-bottom: 0.4rem;
}
.branche__refs { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.5rem; }
.branche__data { margin: 1rem 0 0; font-size: 0.9rem; color: var(--ink-muted); }

/* Quotes */
.quote {
  font-family: var(--font-head);
  font-style: italic;
  font-size: clamp(1.05rem, 1.45vw, 1.25rem);
  line-height: 1.4;
  color: var(--navy);
  margin: 0;
  padding-left: 1.5rem;
  border-left: 3px solid var(--navy);
}
.quote cite {
  display: block;
  margin-top: 1rem;
  font-family: var(--font-body);
  font-style: normal;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink-muted);
}
.quote--card {
  border-left: none;
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

/* Chips */
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chips li {
  font-size: 0.9rem; font-weight: 600; color: var(--navy);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 999px; padding: 0.4rem 0.9rem;
}
.chips--lg li { font-size: 1rem; padding: 0.6rem 1.2rem; }

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: clamp(4rem, 9vh, 6.5rem);
}
.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 3.2vw, 3rem);
  text-align: center;
}
.stat__num { display: block; font-weight: 800; color: var(--navy); font-size: clamp(2rem, 3.4vw, 3rem); line-height: 1; letter-spacing: 0; }
.stat__num .num { font-size: inherit; color: var(--blue); }
.stat__label { display: block; margin-top: 0.9rem; color: var(--ink-muted); font-size: 0.95rem; }

/* Ablagerungs-Tabelle */
.depo { max-width: 54rem; margin-inline: auto; }
.depo__title {
  font-family: var(--font-head);
  font-style: normal;
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  font-weight: 400;
  color: var(--navy);
  margin: 0 0 1.5rem;
  text-align: center;
}
.depo__table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: var(--radius); }
.depo__table th, .depo__table td { text-align: left; padding: 0.9rem 1.1rem; font-size: 0.975rem; }
.depo__table thead th { background: var(--navy); color: #fff; font-weight: 600; font-size: 0.9rem; }
.depo__table tbody tr { border-bottom: 1px solid var(--line); background: var(--surface); }
.depo__table tbody td:first-child { font-weight: 700; color: var(--navy); }

/* Logowall */
.logowall {
  list-style: none; margin: 0 0 clamp(4rem, 9vh, 6.5rem); padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
}
.logowall li {
  background: var(--surface);
  display: flex; align-items: center; justify-content: center;
  padding: clamp(1.75rem, 3vh, 2.5rem) 1rem;
  font-weight: 700; color: var(--navy); letter-spacing: 0.01em;
  font-size: 1.05rem;
}
.quotes { margin-top: 0; max-width: 62rem; margin-inline: auto; }

/* Compare */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 3vw, 2.5rem); max-width: 62rem; margin-inline: auto; }
.compare__col { border-radius: var(--radius-lg); padding: clamp(2.25rem, 3.6vw, 3.25rem); }
.compare__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.compare__col li { position: relative; padding-left: 1.9rem; }
.compare__head { font-weight: 700; font-size: 1.15rem; margin: 0 0 1.25rem; }
.compare__col--muted { background: var(--surface); border: 1px solid var(--line); color: var(--ink-muted); }
.compare__col--muted .compare__head { color: var(--ink-muted); }
.compare__col--muted li::before {
  content: "×"; position: absolute; left: 0; top: -0.05em;
  font-weight: 700; color: #9aa6b8;
}
.compare__col--brand { background: var(--navy); color: #efffef; }
.compare__col--brand .compare__head { color: #fff; }
.compare__col--brand li::before {
  content: ""; position: absolute; left: 0.15rem; top: 0.5em;
  width: 0.5rem; height: 0.28rem; border-left: 2px solid rgba(255, 255, 255, 0.86); border-bottom: 2px solid rgba(255, 255, 255, 0.86);
  transform: rotate(-45deg);
}

/* Trustgrid + International */
.trustgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.trustgrid__item { background: var(--surface); padding: clamp(1.25rem, 2.5vw, 1.9rem); }
.trustgrid__item strong { display: block; color: var(--ink-muted); font-size: 1.05rem; }
.trustgrid__item span { display: block; margin-top: 0.3rem; color: var(--ink-muted); font-size: 0.9rem; }
.badge--lg { font-size: 1rem; padding: 0.4rem 0.95rem; }

/* Frequenzfeld-Hintergrund (Canvas) – bleibt in unserer hellen Farbe */
.freq-fx {
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 54%, rgba(0, 255, 0, 0.06), transparent 46%),
    var(--bg);
}
.freq-fx__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
.freq-fx > .container { position: relative; z-index: 1; }

/* CTA */
.cta__inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.cta__trust { list-style: none; margin: 1.75rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
.cta__trust li { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 600; color: var(--ink-muted); font-size: var(--text-sm); }
.cta__trust li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--navy); }

.form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: grid;
  gap: 1rem;
  box-shadow: 0 40px 80px -55px rgba(0, 138, 0, 0.5);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form label { display: grid; gap: 0.4rem; font-size: var(--text-sm); font-weight: 600; color: var(--navy); }
.form input, .form select {
  font-family: var(--font-body); font-size: 1rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border, #d8d8d4);
  border-radius: 10px;
  background: #fff; color: var(--navy);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form input:focus, .form select:focus {
  outline: none; border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,255,0,0.18);
}
.btn--block { width: 100%; justify-content: center; margin-top: 0.5rem; }
.form__note { margin: 0; font-size: var(--text-sm); color: var(--blue); font-weight: 600; min-height: 1.2em; }

/* Footer */
.footer { background: var(--navy); color: #d7ead7; padding-block: clamp(3rem, 6vw, 4.5rem) 2rem; }
.footer__inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2rem; }
.footer__brand img { height: 30px; width: auto; filter: brightness(0) invert(1); opacity: 0.95; }
.footer__brand p { margin: 1rem 0 0; max-width: 22rem; color: #aec7ae; font-size: 0.95rem; }
.footer__head { font-weight: 700; color: #fff; margin: 0 0 1rem; font-size: 0.95rem; }
.footer__col a, .footer__col address a { color: #d7ead7; text-decoration: none; display: block; margin-bottom: 0.6rem; transition: color 0.15s; }
.footer__col a:hover { color: var(--cyan); }
.footer__col address { font-style: normal; line-height: 1.7; color: #aec7ae; }
.footer__base {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
  margin-top: clamp(2rem, 4vw, 3rem); padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: var(--text-sm); color: #97b097;
}
.footer__base p:last-child { font-family: var(--font-head); font-style: italic; }

/* ---- Reveal (GSAP-gesteuert; Fallback sichtbar) ---- */
[data-reveal] { will-change: transform, opacity; }
.js-reveal [data-reveal] { opacity: 0; transform: translateY(24px); }

/* ============================================================
   Responsive – restliche Sektionen
   ============================================================ */
@media (max-width: 60rem) {
  /* Mobil/Tablet: keine erzwungene Vollhöhe – Inhalt bestimmt die Höhe */
  .section { min-height: auto; padding-block: clamp(4.5rem, 10vh, 7rem); }
  .grid--3 { grid-template-columns: 1fr; }
  .split, .split--center, .proof, .branche, .cta__inner { grid-template-columns: 1fr; }
  .proof--partners { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .logowall { grid-template-columns: repeat(3, 1fr); }
  .split__media { order: -1; }
}

@media (max-width: 40rem) {
  .grid--2, .quotes { grid-template-columns: 1fr; }
  .compare, .trustgrid, .form__row { grid-template-columns: 1fr; }
  .logowall { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .depo__table { display: block; overflow-x: auto; white-space: nowrap; }
}


/* ============================================================
   Überarbeitung: Bildwelt, Parallax & Motion (GSAP-gestützt)
   Easings nach Interaction-Design-Skill
   ============================================================ */
:root {
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-parallax] { will-change: transform; }

/* verhindert FOUC der gestaggerten Elemente, sobald JS aktiv ist */
.js-reveal [data-stagger] > * { opacity: 0; }

/* ---- Die Gegner: Frequenz-Wellenform aus Biofilm / Korrosion ---- */
.enemies {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 8vw, 8rem);
  align-items: start;
  max-width: 62rem;
  margin: clamp(3rem, 7vh, 5rem) auto clamp(4rem, 10vh, 7rem);
}
.enemy { margin: 0; text-align: center; }
.enemy__wave { overflow: visible; }
.enemy__wave img {
  width: min(100%, 14rem);
  height: auto;
  margin-inline: auto;
  display: block;
  filter: drop-shadow(0 34px 44px rgba(0, 138, 0, 0.20));
}
.enemy figcaption {
  margin: 1.4rem auto 0;
  max-width: 21rem;
  color: var(--ink-muted);
  font-size: 1rem;
  line-height: 1.55;
}
.enemy figcaption strong { color: var(--navy); }
.enemy__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 0.22rem 0.7rem;
  margin-right: 0.4rem;
  vertical-align: 0.08em;
}
.enemy__tag--bio  { color: #2f6b34; background: #e6f0e2; }
.enemy__tag--rust { color: #92511c; background: #f2e6da; }

/* ---- Full-Bleed-Parallaxband (helle Behandlung, kein Dark Mode) ---- */
.imgband {
  position: relative;
  margin-top: clamp(5rem, 12vh, 9rem);
  height: clamp(22rem, 55vh, 34rem);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.imgband__media { position: absolute; inset: -14% 0; z-index: 0; }
.imgband__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.imgband__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg,
    rgba(242, 242, 238, 0.97) 0%,
    rgba(242, 242, 238, 0.86) 34%,
    rgba(242, 242, 238, 0.35) 66%,
    rgba(242, 242, 238, 0) 88%);
}
.imgband__inner { position: relative; z-index: 2; }
.imgband__kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--ink-muted);
  margin: 0 0 0.85rem;
}
.imgband__quote {
  font-family: var(--font-head);
  font-style: italic;
  font-size: clamp(1.2rem, 2vw, 1.75rem);
  line-height: 1.32;
  color: var(--navy);
  margin: 0;
  max-width: 33rem;
  text-wrap: balance;
}

/* ---- Portrait-Akzent (CTA) ---- */
.cta__portrait {
  margin: 0 0 1.75rem;
  width: clamp(9rem, 20vw, 12rem);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 24px 44px -28px rgba(0, 138, 0, 0.45);
}
.cta__portrait img { width: 100%; height: auto; display: block; }

/* ---- Karten-Hover etwas lebendiger (spring-nah) ---- */
.card { transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out); }
.tabs__tab, .btn, .footer__col a { transition-timing-function: var(--ease-out); }

@media (max-width: 48rem) {
  .enemies { grid-template-columns: 1fr; max-width: 22rem; gap: 2.5rem; }
  .imgband { height: clamp(16rem, 60vw, 22rem); }
  .imgband__overlay {
    background: linear-gradient(180deg,
      rgba(242, 242, 238, 0.95) 0%,
      rgba(242, 242, 238, 0.7) 40%,
      rgba(242, 242, 238, 0.2) 100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .js-reveal [data-stagger] > * { opacity: 1; }
}