/* ================================
   Grundfarben und globale Variablen
   ================================ */
:root {
  color-scheme: light;
  --cream: #fbf4e8;
  --linen: #efe3cf;
  --sand: #d8bc92;
  --gold: #c9974d;
  --earth: #5b3c22;
  --olive: #5d6840;
  --moss: #39452b;
  --ink: #2f2a22;
  --white: #fffaf1;
  --shadow: 0 18px 46px rgba(61, 42, 24, 0.13);
  --radius: 24px;
}

/* ================================
   Basis
   ================================ */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  letter-spacing: 0.005em;
  color: var(--ink);
  background: var(--cream);
}

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

a {
  color: inherit;
}

p {
  margin-top: 0;
  margin-bottom: 1.05rem;
  font-size: 1.06rem;
}

.text-block p,
.card p,
.price-box p,
.flow-box p,
.offer-detail p {
  color: rgba(47, 42, 34, 0.88);
}

/* ================================
   Header / Logo / Navigation
   ================================ */
.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;

  padding: 10px clamp(20px, 5vw, 72px);

  color: var(--earth);
  background: rgba(251, 244, 232, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(91, 60, 34, 0.08);
  box-shadow: 0 8px 28px rgba(61, 42, 24, 0.045);
}

.logo {
  display: flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
  min-width: 250px;
}

.logo-symbol-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex: 0 0 auto;
}

.logo strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08rem;
  font-weight: 400;
  line-height: 1.1;
}

.logo small {
  display: block;
  margin-top: 2px;
  color: var(--olive);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.3vw, 34px);

  font-size: 0.76rem;
  letter-spacing: 0.095em;
  text-transform: uppercase;
}

.nav a {
  white-space: nowrap;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  opacity: 0.86;
  transition: opacity 0.2s ease, border-color 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible {
  opacity: 1;
  border-color: currentColor;
}

/* ================================
   Hero
   ================================ */
.hero {
  position: relative;
  min-height: 92vh;

  display: grid;
  align-items: center;

  padding: 160px clamp(22px, 8vw, 120px) 90px;
  overflow: hidden;

  background-image:
    linear-gradient(
      90deg,
      rgba(251, 244, 232, 0.94) 0%,
      rgba(251, 244, 232, 0.76) 36%,
      rgba(251, 244, 232, 0.28) 62%,
      rgba(251, 244, 232, 0.08) 100%
    ),
    url("assets/naturwesen-hero.webp");
  background-size: cover;
  background-position: center 46%;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;

  background:
    radial-gradient(circle at 20% 44%, rgba(230, 174, 82, 0.22), transparent 35%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(91, 68, 34, 0.08));
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 690px;
  margin-top: clamp(36px, 7vh, 86px);
  animation: rise 900ms ease both;
}

.eyebrow {
  margin: 0 0 12px;

  color: var(--olive);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.08;
  color: var(--earth);
}

h1 {
  max-width: 760px;
  margin: 0 0 24px;

  font-size: clamp(2.85rem, 6.4vw, 5.8rem);
  letter-spacing: -0.035em;
}

h2 {
  margin: 0 0 22px;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

h3 {
  margin: 28px 0 8px;
  font-size: 1.45rem;
}

.hero-text {
  max-width: 535px;
  margin-bottom: 32px;
  font-size: clamp(1.08rem, 1.6vw, 1.22rem);
}

/* ================================
   Abschnitte / Layout
   ================================ */
.section {
  padding:
    clamp(78px, 8vw, 108px)
    clamp(20px, 6vw, 88px);
}

.section-inner {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
}

.two-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  align-items: center;
  gap: clamp(36px, 5vw, 68px);
}

.two-columns.image-left {
  grid-template-columns: minmax(320px, 520px) minmax(0, 1fr);
}

.text-block {
  max-width: 680px;
}

.narrow {
  max-width: 900px;
  margin: 0 auto;
}

.centered-text {
  text-align: center;
}

.centered-text p {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

/* ================================
   Karten / Boxen
   ================================ */
.card,
.price-box,
.flow-box {
  padding: clamp(28px, 5vw, 48px);

  border: 1px solid rgba(91, 60, 34, 0.11);
  border-radius: var(--radius);
  background:
    linear-gradient(
      180deg,
      rgba(255, 250, 241, 0.92),
      rgba(255, 250, 241, 0.76)
    );
  box-shadow: 0 18px 46px rgba(61, 42, 24, 0.12);
}

/* ================================
   Bilder
   ================================ */
.image-card {
  margin: 0;

  overflow: hidden;
  border-radius: var(--radius);
  background: var(--linen);
  box-shadow: var(--shadow);
}

.image-card img {
  width: 100%;
  height: 100%;
  max-height: 520px;
  object-fit: cover;

  transition: transform 1000ms ease, filter 1000ms ease;
}

.lebensweg-img {
  object-position: center 22%;
}

.image-card:hover img {
  transform: scale(1.015);
  filter: saturate(0.96);
}

.two-columns .image-card {
  width: 100%;
  max-width: 520px;
  justify-self: center;
}

/* ================================
   Angebot
   ================================ */
.angebot-section {
  max-width: 1120px;
  margin: 0 auto;
}

.angebot-intro {
  align-items: center;
}

.angebot-text {
  max-width: 700px;
}

.offer-accordion {
  max-width: 900px;
  margin: clamp(38px, 5vw, 62px) auto 0;
  border-top: 1px solid rgba(91, 60, 34, 0.16);
}

.offer-accordion details {
  border-bottom: 1px solid rgba(91, 60, 34, 0.16);
}

.offer-accordion summary {
  position: relative;
  display: block;
  padding: 22px 44px 22px 0;

  color: var(--moss);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.45rem;
  line-height: 1.2;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.offer-accordion summary:focus-visible {
  outline: 2px solid rgba(93, 104, 64, 0.45);
  outline-offset: 4px;
  border-radius: 8px;
}

.offer-accordion summary::-webkit-details-marker {
  display: none;
}

.offer-accordion summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 2px;
  transform: translateY(-50%);

  color: var(--olive);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.35rem;
  font-weight: 300;
  line-height: 1;
}

.offer-accordion details[open] summary::after {
  content: "–";
}

.offer-detail {
  max-width: 760px;
  padding: 0 44px 24px 0;
}

.offer-detail p {
  color: rgba(47, 42, 34, 0.88);
}

/* ================================
   Trenner
   ================================ */
.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;

  max-width: 220px;
  margin: 0 auto;

  color: var(--olive);
  opacity: 0.82;
}

.section-divider span {
  display: block;
  width: 70px;
  height: 1px;
  background: currentColor;
}

.section-divider strong {
  font-size: 0.95rem;
  line-height: 1;
  font-weight: 400;
}

/* ================================
   Zitat
   ================================ */
.quote-section {
  padding-block: clamp(52px, 7vw, 90px);

  color: var(--white);
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(201, 151, 77, 0.18), transparent 36%),
    linear-gradient(120deg, var(--moss), var(--olive));
}

blockquote {
  max-width: 900px;
  margin: 0 auto;

  color: rgba(255, 250, 241, 0.94);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.45rem, 3vw, 2.45rem);
  font-style: italic;
  line-height: 1.35;
}

/* ================================
   Preise
   ================================ */
.price {
  font-size: 1.25rem;
}

.payment-note {
  margin-top: -0.2rem;
  color: rgba(47, 42, 34, 0.68);
  font-size: 0.96rem;
}

/* ================================
   Kontakt
   ================================ */
.contact {
  background: var(--cream);
}

.contact-layout {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 460px);
}

.contact-text {
  max-width: 680px;
}

.contact address {
  margin-top: 20px;

  font-style: normal;
  font-size: 1.05rem;
  line-height: 1.8;
}

.arrival-note {
  margin: 18px 0 0;
  color: rgba(47, 42, 34, 0.72);
  font-size: 0.96rem;
  line-height: 1.55;
}

.kontakt-links {
  display: block;
  margin-top: 14px;
}

.kontakt-links a {
  text-decoration: none;
  border-bottom: none;
  transition: color 0.2s ease;
}

.kontakt-links a:hover {
  color: var(--olive);
}

.contact-card {
  margin-top: 26px;
  padding: 24px 26px;
  border: 1px solid rgba(91, 60, 34, 0.11);
  border-radius: var(--radius);
  background: rgba(255, 250, 241, 0.58);
}

.contact-image img {
  max-height: 540px;
  object-position: center 20%;
}

.signature-block {
  margin-top: 34px;
}

.signature-block p {
  margin: 0 0 6px;
}

.signature {
  width: min(300px, 78%);
  height: auto;
  margin: 8px 0 0;
}

/* ================================
   Footer
   ================================ */
.footer {
  position: relative;
  padding: 40px 20px 42px;

  color: var(--white);
  text-align: center;
  background: var(--moss);
}

.footer-inner {
  max-width: 980px;
  margin: 0 auto;
}

.footer-logo {
  width: min(280px, 72vw);
  height: auto;
  margin: 0 auto 22px;
  opacity: 0.92;
}

.footer p {
  margin: 0.35rem 0;

  font-size: 0.95rem;
  opacity: 0.90;
}

.footer a {
  text-decoration: none;
  border-bottom: none;
}

.footer a:hover {
  color: var(--sand);
}

.footer-top-button {
  position: absolute;
  right: clamp(18px, 4vw, 46px);
  top: 34px;

  display: none;
  align-items: center;
  justify-content: center;

  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 250, 241, 0.34);
  border-radius: 50%;

  color: var(--white);
  background: rgba(255, 250, 241, 0.08);

  text-decoration: none;
  font-size: 1.35rem;
  line-height: 1;
  opacity: 0.82;

  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.footer-top-button:hover {
  opacity: 1;
  transform: translateY(-2px);
  background: rgba(255, 250, 241, 0.14);
}

.hinweis {
  max-width: 820px;
  margin: 22px auto 0;
  padding-top: 18px;

  color: rgba(255, 250, 241, 0.72);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hinweis p {
  font-size: 0.82rem;
  line-height: 1.5;
}

/* ================================
   Animationen
   ================================ */
.section-fade {
  animation: fadeIn 850ms ease both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(22px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* ================================
   Responsive 1050px
   ================================ */
@media (max-width: 1050px) {
  .site-header {
    position: absolute;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;

    padding-top: 14px;
    padding-bottom: 14px;
  }

  .nav {
    flex-wrap: wrap;
    gap: 12px 20px;
    font-size: 0.78rem;
  }

  .hero {
    min-height: 88vh;
    padding-top: 220px;

    background-image:
      linear-gradient(
        180deg,
        rgba(251, 244, 232, 0.92) 0%,
        rgba(251, 244, 232, 0.72) 46%,
        rgba(251, 244, 232, 0.22) 100%
      ),
      url("assets/naturwesen-hero.webp");
    background-position: center center;
  }
  
  .footer-top-button {
    display: flex;
  }  
}

/* ================================
   Responsive 900px
   ================================ */
@media (max-width: 900px) {
  .two-columns,
  .two-columns.image-left,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .image-left .image-card {
    order: 2;
  }

  .image-left .text-block {
    order: 1;
  }

  .contact-image {
    order: 2;
  }

  .contact-text {
    order: 1;
  }

  .text-block {
    max-width: 760px;
    margin: 0 auto;
  }

  .two-columns .image-card {
    max-width: 640px;
  }

  .centered-text {
    text-align: left;
  }

  .angebot-section {
    display: flex;
    flex-direction: column;
  }

  .angebot-intro {
    display: contents;
  }

  .angebot-text {
    order: 1;
  }

  .offer-accordion {
    order: 2;
  }

  .angebot-intro .image-card {
    order: 3;
    margin-top: clamp(32px, 7vw, 52px);
  }
}

/* ================================
   Responsive 760px
   ================================ */
@media (max-width: 760px) {
  .nav {
    gap: 8px 14px;
    line-height: 1.4;
  }

  .hero {
    min-height: 86vh;
    padding-top: 210px;
    padding-bottom: 70px;
    background-position: 62% center;
  }

  .hero-content {
    margin-top: 24px;
  }

  .eyebrow {
    font-size: 0.74rem;
  }

  p {
    font-size: 1rem;
  }
}

/* ================================
   Responsive 560px
   ================================ */
@media (max-width: 560px) {
  .site-header {
    gap: 12px;
  }

  .logo {
    gap: 6px;
    min-width: 0;
  }

  .logo-symbol-img {
    width: 42px;
    height: 42px;
  }

  .logo strong {
    font-size: 1rem;
  }

  .logo small {
    display: none;
  }

  .nav {
    font-size: 0.72rem;
    letter-spacing: 0.07em;
  }

  .hero {
    padding-top: 185px;
  }

  h1 {
    font-size: clamp(2.42rem, 13vw, 3.8rem);
  }

  h2 {
    font-size: clamp(1.85rem, 11vw, 2.7rem);
  }

  .hero-text {
    font-size: 1.08rem;
  }

  .section {
    padding: 66px 18px;
  }

  .card,
  .price-box,
  .flow-box {
    padding: 26px 22px;
  }

  .image-card img {
    max-height: 430px;
  }

  .section-divider {
    max-width: 160px;
    gap: 10px;
  }

  .section-divider span {
    width: 48px;
  }

  .offer-accordion summary {
    padding: 19px 36px 19px 0;
    font-size: 1.28rem;
  }

  .offer-detail {
    padding-right: 0;
  }

  .signature {
    width: min(260px, 90%);
  }

  .footer-top-button {
    position: static;
    margin: 18px auto 20px;

    width: 38px;
    height: 38px;
    font-size: 1.15rem;
    transform: none;
  }

  .footer-top-button:hover {
    transform: translateY(-2px);
  }
}

/* ================================
   Responsive reduce motion
   ================================ */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .section-fade,
  .hero-content {
    animation: none;
  }

  .image-card img,
  .footer-top-button,
  .nav a,
  .kontakt-links a {
    transition: none;
  }
}