/* ==========================================================================
   KreaVento GmbH — Website Stylesheet
   Hell & minimal. Keine externen Ressourcen (DSGVO-freundlich).
   ========================================================================== */

:root {
  --gruen:        #536F59;
  --gruen-dunkel: #3E5443;
  --gruen-hell:   #EEF2EE;
  --schwarz:      #0E0E0D;
  --tinte:        #14140F;
  --grau-900:     #2A2A28;
  --grau-600:     #6B6B66;
  --grau-400:     #A3A39D;
  --grau-200:     #E3E3DE;
  --grau-100:     #F2F2EF;
  --papier:       #FBFBF9;
  --weiss:        #FFFFFF;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", "Helvetica Neue",
          Helvetica, Arial, sans-serif;

  --max: 1240px;
  --pad: clamp(1.25rem, 5vw, 4rem);
  --nav-h: 76px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.7;
  color: var(--tinte);
  background: var(--papier);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 {
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.12;
  margin: 0 0 .6em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); font-weight: 400; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 400; }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
p  { margin: 0 0 1.2em; }

::selection { background: var(--gruen); color: #fff; }

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

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--pad); }
.section { padding-block: clamp(4.5rem, 11vw, 9rem); }
.section--tight { padding-block: clamp(3rem, 7vw, 5.5rem); }
.hairline { border: 0; border-top: 1px solid var(--grau-200); margin: 0; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--schwarz); color: #fff; padding: .8rem 1.2rem;
}
.skip:focus { left: 1rem; top: 1rem; }

/* ---------- Eyebrow / Kicker ---------- */
.kicker {
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gruen);
  font-weight: 600;
  margin: 0 0 1.4rem;
  display: flex;
  align-items: center;
  gap: .8rem;
}
.kicker::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--gruen);
  flex: none;
}
.kicker--plain::before { display: none; }

.lead {
  font-size: clamp(1.1rem, 1.9vw, 1.35rem);
  line-height: 1.6;
  color: var(--grau-900);
  max-width: 62ch;
  font-weight: 300;
}

/* ---------- Navigation ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(251, 251, 249, .82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-stuck { border-bottom-color: var(--grau-200); }
.nav__inner {
  width: 100%; max-width: var(--max); margin-inline: auto;
  padding-inline: var(--pad);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.nav__logo img { height: 34px; width: auto; }
@media (max-width: 520px) { .nav__logo img { height: 28px; } }
.nav__logo { display: block; line-height: 0; }

.nav__links { display: flex; align-items: center; gap: clamp(1.2rem, 2.6vw, 2.4rem); }
.nav__link {
  text-decoration: none;
  font-size: .93rem;
  color: var(--grau-900);
  position: relative;
  padding-block: .4rem;
  transition: color .2s var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--gruen);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease);
}
.nav__link:hover { color: var(--gruen); }
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--tinte); }

.nav__cta {
  display: inline-flex; align-items: center;
  font-size: .9rem; text-decoration: none;
  padding: .62rem 1.25rem;
  border: 1px solid var(--tinte);
  border-radius: 999px;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.nav__cta:hover { background: var(--tinte); color: #fff; }

.nav__burger {
  display: none;
  background: none; border: 0; padding: .5rem; cursor: pointer;
  width: 42px; height: 42px;
}
.nav__burger span {
  display: block; height: 1.5px; width: 22px; background: var(--tinte);
  margin: 5px auto; transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav__burger { display: block; }
  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    background: var(--papier);
    flex-direction: column; align-items: flex-start;
    gap: 0;
    padding: 1rem var(--pad) 2.5rem;
    border-bottom: 1px solid var(--grau-200);
    transform: translateY(-8px);
    opacity: 0; pointer-events: none;
    transition: opacity .25s var(--ease), transform .25s var(--ease);
  }
  .nav__links.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav__link { font-size: 1.35rem; padding-block: .8rem; width: 100%; border-bottom: 1px solid var(--grau-200); }
  .nav__link::after { display: none; }
  .nav__cta { margin-top: 1.4rem; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .7rem;
  font-size: .95rem; font-weight: 500;
  text-decoration: none;
  padding: .95rem 1.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .25s var(--ease), color .25s var(--ease),
              border-color .25s var(--ease), transform .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--tinte); color: #fff; }
.btn--primary:hover { background: var(--gruen); }
.btn--ghost { border-color: var(--grau-400); color: var(--tinte); }
.btn--ghost:hover { border-color: var(--tinte); }
.btn--light { background: #fff; color: var(--tinte); }
.btn--outline-light { border-color: rgba(255,255,255,.4); color: #fff; }
.btn--outline-light:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn__arrow { transition: transform .3s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ---------- Hero ---------- */
.hero {
  min-height: calc(100svh - var(--nav-h));
  display: flex; flex-direction: column; justify-content: center;
  padding-block: clamp(3rem, 9vw, 6rem) clamp(2.5rem, 6vw, 4rem);
  position: relative;
  overflow: hidden;
}
.hero__glow {
  position: absolute; z-index: 0;
  width: min(160vw, 1500px); aspect-ratio: 1;
  left: 50%; top: 36%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(83,111,89,.09) 0%, rgba(83,111,89,.045) 32%, rgba(83,111,89,0) 68%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; text-align: center; }
.hero__logo {
  width: min(88%, 760px);
  margin: 0 auto clamp(2rem, 4vw, 3rem);
}
.hero__claim {
  font-size: clamp(1.3rem, 3vw, 2.2rem);
  font-weight: 300;
  letter-spacing: -.02em;
  line-height: 1.3;
  max-width: 28ch;
  margin: 0 auto 1.6rem;
  text-wrap: balance;
}
.hero__claim em { font-style: normal; color: var(--gruen); }
.hero__sub {
  color: var(--grau-600);
  max-width: 54ch; margin: 0 auto 2.6rem;
  font-size: 1.02rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: .9rem; justify-content: center; }

.hero__meta {
  margin-top: clamp(3rem, 7vw, 5rem);
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: .6rem clamp(1.2rem, 3vw, 2.6rem);
  font-size: .74rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--grau-400);
}
.hero__meta span { display: inline-flex; align-items: center; gap: .8rem; }
.hero__meta span + span::before {
  content: ""; width: 4px; height: 4px; border-radius: 50%;
  background: var(--grau-200); flex: none;
}

/* ---------- Marquee (Leistungs-Laufband) ---------- */
.marquee {
  border-block: 1px solid var(--grau-200);
  background: var(--weiss);
  overflow: hidden;
  padding-block: 1.15rem;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: flex; width: max-content;
  animation: slide 42s linear infinite;
}
.marquee__track span {
  padding-inline: 1.6rem;
  font-size: .8rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--grau-600); white-space: nowrap;
  display: inline-flex; align-items: center; gap: 1.6rem;
}
.marquee__track span::after {
  content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--gruen);
  opacity: .55;
}
@keyframes slide { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* ---------- Split ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  gap: clamp(2rem, 6vw, 5.5rem);
  align-items: start;
}
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } }
.split__sticky { position: sticky; top: calc(var(--nav-h) + 2.5rem); }
@media (max-width: 820px) { .split__sticky { position: static; } }

/* ---------- Leistungs-Liste ---------- */
.leistungen { border-top: 1px solid var(--grau-200); }
.leistung {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 0 clamp(1rem, 3vw, 2.5rem);
  padding-block: clamp(1.8rem, 3.4vw, 2.6rem);
  border-bottom: 1px solid var(--grau-200);
  transition: background .35s var(--ease);
}
.leistung:hover { background: var(--weiss); }
.leistung__nr {
  font-size: .78rem; letter-spacing: .12em;
  color: var(--gruen); font-weight: 600;
  padding-top: .45rem;
}
.leistung h3 { margin-bottom: .5rem; }
.leistung p { color: var(--grau-600); margin: 0; max-width: 60ch; font-size: .98rem; }
.leistung__tags {
  list-style: none; margin: 1rem 0 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: .45rem;
}
.leistung__tags li {
  font-size: .75rem; letter-spacing: .04em;
  color: var(--grau-900);
  border: 1px solid var(--grau-200);
  background: var(--weiss);
  border-radius: 999px;
  padding: .28rem .8rem;
}
@media (max-width: 620px) {
  .leistung { grid-template-columns: 1fr; }
  .leistung__nr { padding-top: 0; margin-bottom: .6rem; }
}

/* ---------- Karten ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--grau-200);
  border: 1px solid var(--grau-200);
}
.cards--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1040px) { .cards, .cards--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px)  { .cards, .cards--4 { grid-template-columns: 1fr; } }
.card {
  background: var(--papier);
  padding: clamp(1.7rem, 3vw, 2.6rem);
  transition: background .35s var(--ease);
}
.card:hover { background: var(--weiss); }
.card h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.card p { color: var(--grau-600); font-size: .95rem; margin: 0; }
.card__nr {
  font-size: .74rem; letter-spacing: .18em; color: var(--gruen);
  font-weight: 600; display: block; margin-bottom: 1.6rem;
}

/* ---------- Personen ---------- */
.people {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
}
.person { border-top: 1px solid var(--tinte); padding-top: 1.4rem; }
.person__initials {
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  line-height: 1;
  font-weight: 300;
  letter-spacing: -.04em;
  color: var(--gruen);
  margin-bottom: 1.4rem;
}
.person h3 { font-size: 1.22rem; margin-bottom: .2rem; }
.person__role {
  font-size: .76rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--grau-400); margin: 0;
}

/* ---------- Zahlen ---------- */
.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
}
.fact__value {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 300; letter-spacing: -.04em; line-height: 1;
  margin-bottom: .7rem;
}
.fact__label { font-size: .93rem; color: var(--grau-600); margin: 0; }

/* ---------- Dunkles CTA-Band ---------- */
.band {
  background: var(--schwarz);
  color: #fff;
  padding-block: clamp(4rem, 9vw, 7rem);
  text-align: center;
}
.band__logo { width: min(72%, 420px); margin: 0 auto clamp(2rem, 4vw, 2.8rem); opacity: .96; }
.band h2 { color: #fff; }
.band p { color: rgba(255,255,255,.62); max-width: 50ch; margin-inline: auto; }
.band__actions { display: flex; flex-wrap: wrap; gap: .9rem; justify-content: center; margin-top: 2.2rem; }

/* ---------- Kontakt ---------- */
.kontakt-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
@media (max-width: 880px) { .kontakt-grid { grid-template-columns: 1fr; } }

.form { display: grid; gap: 1.3rem; }
.field { display: grid; gap: .45rem; }
.field label { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--grau-600); }
.field input, .field textarea, .field select {
  font: inherit; font-size: 1rem;
  color: var(--tinte);
  background: var(--weiss);
  border: 1px solid var(--grau-200);
  border-radius: 4px;
  padding: .85rem 1rem;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
  width: 100%;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--gruen);
  box-shadow: 0 0 0 3px rgba(83,111,89,.13);
}
.form__hint { font-size: .82rem; color: var(--grau-400); margin: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.kontakt-block { margin-bottom: 2.4rem; }
.kontakt-block h3 { font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--grau-400); font-weight: 600; margin-bottom: .7rem; }
.kontakt-block p { margin: 0; }
.kontakt-block a { color: var(--gruen); text-decoration: none; border-bottom: 1px solid rgba(83,111,89,.3); }
.kontakt-block a:hover { border-bottom-color: var(--gruen); }

/* ---------- Rechtstexte ---------- */
.legal { max-width: 78ch; }
.legal h2 { font-size: clamp(1.35rem, 2.4vw, 1.75rem); margin-top: 3rem; }
.legal h3 { font-size: 1.08rem; margin-top: 2rem; }
.legal h2:first-of-type { margin-top: 2rem; }
.legal p, .legal li { color: var(--grau-900); font-size: .99rem; }
.legal ul { padding-left: 1.2rem; }
.legal li { margin-bottom: .45rem; }
.legal a { color: var(--gruen); }
.legal .note {
  background: var(--gruen-hell);
  border-left: 2px solid var(--gruen);
  padding: 1.1rem 1.4rem;
  font-size: .92rem;
  margin: 1.6rem 0;
}
.legal .note p:last-child { margin-bottom: 0; }
.legal dl { margin: 0 0 1.5rem; }
.legal dt { font-weight: 600; margin-top: .9rem; }
.legal dd { margin: 0; }

.page-head { padding-block: clamp(3.5rem, 8vw, 6rem) clamp(2rem, 4vw, 3rem); }
.page-head h1 { max-width: 18ch; }

/* ---------- Footer ---------- */
.footer {
  background: var(--weiss);
  border-top: 1px solid var(--grau-200);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
}
@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: 1fr; } }
.footer__logo { width: 210px; margin-bottom: 1.4rem; }
.footer h4 {
  font-size: .74rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--grau-400); font-weight: 600; margin: 0 0 1rem;
}
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: .55rem; }
.footer a { text-decoration: none; color: var(--grau-900); font-size: .93rem; }
.footer a:hover { color: var(--gruen); }
.footer p { font-size: .93rem; color: var(--grau-600); margin: 0 0 .4rem; }
.footer__bottom {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--grau-200);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem;
  font-size: .82rem; color: var(--grau-400);
}

/* ---------- Reveal-Animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); }
.reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
  .btn:hover { transform: none; }
}

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.center { text-align: center; }
.bg-white { background: var(--weiss); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}