:root {
    color-scheme: light;
    --limestone: #ECEDE7;
    --paper: #F7F7F3;
    --pine: #16211C;
    --pine-soft: #23332B;
    --sage: #5C6A54;
    --stone: #8A8677;
    --sunlit: #BE9455;
    --line: rgba(22, 33, 28, 0.13);
    --line-soft: rgba(22, 33, 28, 0.07);

    --serif: ui-serif, "New York", Georgia, "Times New Roman", serif;
    --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI", Helvetica, Arial, sans-serif;

    --container: 1160px;
    --pad-x: clamp(1.25rem, 5vw, 2.75rem);
    --section-y: clamp(4.5rem, 11vw, 9rem);
  }

  * { box-sizing: border-box; }

  body {
    margin: 0;
    background: var(--limestone);
    color: var(--pine);
    font-family: var(--sans);
    font-size: 1.0625rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  h1, h2, h3 { text-wrap: balance; margin: 0; }
  p { margin: 0; }
  a { color: inherit; text-decoration: none; }

  .wrap {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--pad-x);
  }

  .eyebrow {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-weight: 600;
    color: var(--sunlit);
  }

  .lead {
    font-size: clamp(1.15rem, 2.3vw, 1.4rem);
    line-height: 1.55;
    color: var(--pine-soft);
    max-width: 34ch;
  }

  /* ---------- Buttons ---------- */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.55em;
    font-family: var(--sans);
    font-size: 0.95rem;
    font-weight: 550;
    letter-spacing: 0.01em;
    padding: 0.95em 1.7em;
    border-radius: 2px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  }
  .btn--primary { background: var(--pine); color: var(--paper); }
  .btn--primary:hover { background: var(--pine-soft); transform: translateY(-1px); }
  .btn--ghost { background: transparent; color: var(--pine); border-color: var(--line); }
  .btn--ghost:hover { border-color: var(--pine); }
  .btn--light { background: var(--paper); color: var(--pine); }
  .btn--light:hover { transform: translateY(-1px); }

  /* ---------- Header ---------- */
  .site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 50;
    transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
    border-bottom: 1px solid transparent;
  }
  .site-header.is-solid {
    background: rgba(236, 237, 231, 0.86);
    -webkit-backdrop-filter: saturate(1.4) blur(14px);
    backdrop-filter: saturate(1.4) blur(14px);
    border-bottom-color: var(--line-soft);
  }
  .site-header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 78px;
  }
  .brand {
    font-family: var(--serif);
    font-size: 1.5rem;
    letter-spacing: 0.28em;
    padding-left: 0.28em;
    font-weight: 500;
  }
  .nav {
    display: flex;
    align-items: center;
    gap: clamp(1.4rem, 3vw, 2.6rem);
  }
  .nav a.nav-link {
    font-size: 0.9rem;
    color: var(--pine-soft);
    letter-spacing: 0.01em;
    transition: color 0.2s ease;
  }
  .nav a.nav-link:hover { color: var(--sunlit); }
  .nav .btn { padding: 0.7em 1.3em; }
  @media (max-width: 820px) {
    .nav .nav-link { display: none; }
  }

  /* ---------- Hero ---------- */
  .hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    overflow: hidden;
    isolation: isolate;
  }
  .hero__sky {
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
      radial-gradient(120% 90% at 82% 8%, rgba(233, 210, 165, 0.75) 0%, rgba(233, 210, 165, 0) 46%),
      radial-gradient(90% 70% at 12% 4%, rgba(247, 247, 243, 0.9) 0%, rgba(247, 247, 243, 0) 50%),
      linear-gradient(178deg, #F4F0E6 0%, #ECEDE7 42%, #E4E7DF 100%);
  }
  /* angedeutete Ruhe-/Wasserlinie unten */
  .hero__horizon {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 30%;
    z-index: -1;
    background:
      linear-gradient(180deg, rgba(92, 106, 84, 0) 0%, rgba(92, 106, 84, 0.10) 55%, rgba(70, 88, 78, 0.20) 100%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 40%);
    mask-image: linear-gradient(180deg, transparent 0%, #000 40%);
  }
  .hero__glow {
    position: absolute;
    top: -12%; right: -6%;
    width: 46vw; height: 46vw;
    max-width: 620px; max-height: 620px;
    z-index: -1;
    background: radial-gradient(circle, rgba(214, 178, 120, 0.5) 0%, rgba(214, 178, 120, 0) 68%);
    filter: blur(6px);
  }
  .hero__inner { padding-top: 120px; padding-bottom: 80px; }
  .hero__eyebrow { margin-bottom: 1.8rem; }
  .hero h1 {
    font-family: var(--serif);
    font-weight: 500;
    font-size: clamp(2.7rem, 7.4vw, 5.4rem);
    line-height: 1.03;
    letter-spacing: -0.021em;
    max-width: 15ch;
    color: var(--pine);
  }
  .hero h1 em {
    font-style: italic;
    color: var(--sage);
  }
  .hero__sub {
    margin-top: 2rem;
    font-size: clamp(1.15rem, 2.2vw, 1.42rem);
    line-height: 1.55;
    color: var(--pine-soft);
    max-width: 42ch;
  }
  .hero__actions {
    margin-top: 2.8rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
  }
  .hero__note {
    margin-top: 2.6rem;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 0.86rem;
    color: var(--stone);
    letter-spacing: 0.01em;
  }
  .hero__note::before {
    content: "";
    width: 34px; height: 1px;
    background: var(--sunlit);
    display: inline-block;
  }
  .scroll-cue {
    position: absolute;
    left: 50%; bottom: 26px;
    transform: translateX(-50%);
    z-index: 2;
    font-size: 0.68rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--stone);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
  }
  .scroll-cue span.bar {
    width: 1px; height: 42px;
    background: linear-gradient(180deg, var(--stone), transparent);
    animation: cue 2.4s ease-in-out infinite;
  }
  @keyframes cue {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  }

  /* ---------- Bildplatz / Fotografie ---------- */
  .plate {
    position: relative;
    border-radius: 3px;
    overflow: hidden;
    background: #cdd3c6;
  }
  .plate .art { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
  .plate::after {
    content: "Illustrierter Entwurf";
    position: absolute;
    left: 16px; bottom: 14px; z-index: 2;
    font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(22, 33, 28, 0.32);
    -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
    padding: 0.38em 0.72em; border-radius: 2px;
  }
  .plate--hero { aspect-ratio: 16 / 7; margin-top: clamp(2.5rem, 6vw, 4.5rem); }

  .scene {
    position: relative; width: 100%;
    aspect-ratio: 16 / 9; max-height: 56vh;
    overflow: hidden; background: #d8d3c2;
  }
  @media (min-width: 720px) { .scene { aspect-ratio: 24 / 8; } }
  .scene .art { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
  .scene::after {
    content: "Illustrierter Entwurf";
    position: absolute; right: 16px; bottom: 14px; z-index: 2;
    font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase;
    color: rgba(255, 255, 255, 0.88);
    background: rgba(22, 33, 28, 0.3);
    -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
    padding: 0.38em 0.72em; border-radius: 2px;
  }

  .hero__ridge {
    position: absolute; left: 0; right: 0; bottom: 0;
    width: 100%; height: clamp(120px, 22vh, 210px);
    z-index: -1; pointer-events: none;
  }

  /* Origin */
  .origin__grid { display: grid; grid-template-columns: 1fr; gap: clamp(1.6rem, 4vw, 3.5rem); }
  @media (min-width: 860px) { .origin__grid { grid-template-columns: 0.9fr 1.1fr; align-items: start; } }
  .origin__label .eyebrow { display: block; margin-bottom: 1rem; }
  .origin h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.1; letter-spacing: -0.015em; }
  .origin__body p { color: var(--pine-soft); font-size: 1.12rem; line-height: 1.7; }
  .origin__body p + p { margin-top: 1.3rem; }
  .origin__body strong { font-weight: 600; color: var(--pine); }

  /* ---------- Promise / Intro ---------- */
  .promise .wrap {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(1.5rem, 4vw, 3.5rem);
  }
  @media (min-width: 860px) {
    .promise .wrap { grid-template-columns: 0.85fr 1.15fr; align-items: start; }
  }
  .promise h2 {
    font-family: var(--serif);
    font-weight: 500;
    font-size: clamp(1.9rem, 4vw, 3.05rem);
    line-height: 1.12;
    letter-spacing: -0.015em;
  }
  .promise__body p + p { margin-top: 1.3rem; }
  .promise__body p { color: var(--pine-soft); font-size: 1.12rem; line-height: 1.7; }
  .promise__body strong { font-weight: 600; color: var(--pine); }

  /* ---------- Section scaffolding ---------- */
  section { padding-block: var(--section-y); }
  .section-head { max-width: 46ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
  .section-head .eyebrow { display: block; margin-bottom: 1.1rem; }
  .section-head h2 {
    font-family: var(--serif);
    font-weight: 500;
    font-size: clamp(1.85rem, 3.8vw, 2.85rem);
    line-height: 1.14;
    letter-spacing: -0.015em;
  }
  .section-head p { margin-top: 1.1rem; color: var(--stone); font-size: 1.08rem; }

  /* ---------- Services ---------- */
  .services { background: var(--paper); }
  .svc-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--line);
  }
  @media (min-width: 720px) { .svc-grid { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1040px) { .svc-grid { grid-template-columns: 1fr 1fr 1fr; } }
  .svc {
    padding: clamp(1.8rem, 3vw, 2.6rem) clamp(1.4rem, 2.4vw, 2rem);
    border-bottom: 1px solid var(--line);
    border-right: 1px solid var(--line);
    transition: background 0.3s ease;
  }
  .svc:hover { background: var(--limestone); }
  .svc__no {
    font-family: var(--serif);
    font-size: 0.95rem;
    color: var(--sunlit);
    letter-spacing: 0.05em;
  }
  .svc h3 {
    margin-top: 1.1rem;
    font-size: 1.28rem;
    font-weight: 600;
    letter-spacing: -0.01em;
  }
  .svc p { margin-top: 0.7rem; color: var(--stone); font-size: 0.98rem; line-height: 1.62; }

  /* ---------- Process ---------- */
  .steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2rem, 4vw, 3rem);
    counter-reset: step;
  }
  @media (min-width: 800px) { .steps { grid-template-columns: repeat(3, 1fr); } }
  .step { position: relative; padding-top: 2.4rem; border-top: 1px solid var(--pine); }
  .step__no {
    position: absolute;
    top: -0.15rem; left: 0;
    font-family: var(--serif);
    font-size: 1.05rem;
    letter-spacing: 0.05em;
    color: var(--pine);
  }
  .step h3 { font-size: 1.3rem; font-weight: 600; letter-spacing: -0.01em; }
  .step p { margin-top: 0.85rem; color: var(--pine-soft); font-size: 1.02rem; line-height: 1.66; }

  /* ---------- Dark trust band ---------- */
  .trust {
    background: var(--pine);
    color: var(--limestone);
  }
  .trust .eyebrow { color: var(--sunlit); }
  .trust h2 {
    font-family: var(--serif);
    font-weight: 500;
    font-size: clamp(1.9rem, 4vw, 3rem);
    line-height: 1.15;
    letter-spacing: -0.015em;
    max-width: 20ch;
  }
  .trust__grid {
    margin-top: clamp(2.6rem, 5vw, 4rem);
    display: grid;
    grid-template-columns: 1fr;
    gap: 1px;
    background: rgba(236, 237, 231, 0.14);
    border: 1px solid rgba(236, 237, 231, 0.14);
  }
  @media (min-width: 720px) { .trust__grid { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1000px) { .trust__grid { grid-template-columns: repeat(4, 1fr); } }
  .pillar { background: var(--pine); padding: clamp(1.6rem, 3vw, 2.2rem); }
  .pillar h3 {
    font-family: var(--serif);
    font-weight: 500;
    font-size: 1.15rem;
    color: var(--paper);
  }
  .pillar p { margin-top: 0.7rem; font-size: 0.94rem; line-height: 1.6; color: rgba(236, 237, 231, 0.7); }
  .trust__voice {
    margin-top: clamp(2.6rem, 5vw, 3.6rem);
    padding: clamp(1.8rem, 4vw, 2.6rem);
    border: 1px dashed rgba(236, 237, 231, 0.28);
    border-radius: 3px;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
    align-items: center;
    justify-content: space-between;
  }
  .trust__voice p { color: rgba(236, 237, 231, 0.82); font-family: var(--serif); font-style: italic; font-size: clamp(1.2rem, 2.4vw, 1.6rem); line-height: 1.4; max-width: 30ch; }
  .trust__voice span { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--sunlit); }

  /* ---------- FAQ ---------- */
  .faq-list { border-top: 1px solid var(--line); max-width: 820px; }
  .faq details { border-bottom: 1px solid var(--line); }
  .faq summary {
    list-style: none;
    cursor: pointer;
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    font-size: 1.12rem;
    font-weight: 550;
    letter-spacing: -0.005em;
  }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary .plus {
    flex: none;
    width: 22px; height: 22px;
    position: relative;
  }
  .faq summary .plus::before,
  .faq summary .plus::after {
    content: "";
    position: absolute;
    background: var(--sunlit);
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .faq summary .plus::before { top: 10px; left: 0; width: 22px; height: 1.5px; }
  .faq summary .plus::after { left: 10px; top: 0; width: 1.5px; height: 22px; }
  .faq details[open] summary .plus::after { transform: scaleY(0); opacity: 0; }
  .faq details p {
    padding: 0 0 1.7rem;
    color: var(--pine-soft);
    font-size: 1.02rem;
    line-height: 1.7;
    max-width: 62ch;
  }

  /* ---------- Contact ---------- */
  .contact { background: var(--paper); }
  .contact__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2.5rem, 6vw, 5rem);
  }
  @media (min-width: 900px) { .contact__grid { grid-template-columns: 0.95fr 1.05fr; align-items: start; } }
  .contact h2 {
    font-family: var(--serif);
    font-weight: 500;
    font-size: clamp(2rem, 4.4vw, 3.2rem);
    line-height: 1.1;
    letter-spacing: -0.018em;
    max-width: 14ch;
  }
  .contact__intro { margin-top: 1.4rem; color: var(--pine-soft); font-size: 1.1rem; line-height: 1.65; max-width: 40ch; }
  .contact__meta { margin-top: 2.4rem; display: flex; flex-direction: column; gap: 1rem; }
  .contact__meta div { display: flex; gap: 0.9rem; align-items: baseline; }
  .contact__meta .k { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--sunlit); min-width: 92px; }
  .contact__meta .v { color: var(--pine); }

  form { display: grid; gap: 1.1rem; }
  .field { display: grid; gap: 0.5rem; }
  .field-row { display: grid; gap: 1.1rem; }
  @media (min-width: 560px) { .field-row { grid-template-columns: 1fr 1fr; } }
  label { font-size: 0.8rem; letter-spacing: 0.04em; color: var(--pine-soft); font-weight: 550; }
  input, textarea {
    font-family: var(--sans);
    font-size: 1rem;
    color: var(--pine);
    background: var(--limestone);
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 0.85em 0.95em;
    transition: border-color 0.2s ease, background 0.2s ease;
  }
  input:focus, textarea:focus {
    outline: none;
    border-color: var(--sage);
    background: #fff;
  }
  textarea { resize: vertical; min-height: 110px; }
  .form-foot { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; margin-top: 0.4rem; }
  .consent { font-size: 0.8rem; color: var(--stone); max-width: 34ch; line-height: 1.5; }
  .form-success {
    display: none;
    padding: 2rem;
    border: 1px solid var(--sage);
    border-radius: 3px;
    background: var(--limestone);
  }
  .form-success h3 { font-family: var(--serif); font-weight: 500; font-size: 1.5rem; color: var(--pine); }
  .form-success p { margin-top: 0.8rem; color: var(--pine-soft); }
  form.is-sent { display: none; }
  form.is-sent + .form-success { display: block; }

  /* ---------- Footer ---------- */
  .site-footer { background: var(--pine); color: rgba(236, 237, 231, 0.72); padding-block: clamp(3rem, 6vw, 4.5rem); }
  .footer-top { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; align-items: flex-start; }
  .site-footer .brand { color: var(--paper); }
  .footer-langs { display: flex; gap: 1.4rem; }
  .footer-langs button {
    background: none; border: none; cursor: pointer;
    font-family: var(--sans); font-size: 0.85rem;
    color: rgba(236, 237, 231, 0.6);
    letter-spacing: 0.03em; padding: 0;
    transition: color 0.2s ease;
  }
  .footer-langs button[aria-current="true"] { color: var(--sunlit); }
  .footer-langs button:hover { color: var(--paper); }
  .footer-bottom {
    margin-top: 2.6rem; padding-top: 1.8rem;
    border-top: 1px solid rgba(236, 237, 231, 0.14);
    display: flex; flex-wrap: wrap; gap: 0.6rem 1.6rem;
    font-size: 0.8rem; color: rgba(236, 237, 231, 0.5);
  }
  .footer-note { margin-top: 1.4rem; font-size: 0.74rem; color: rgba(236, 237, 231, 0.4); max-width: 60ch; line-height: 1.6; }

  /* ---------- Reveal animation ---------- */
  [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.8s ease, transform 0.8s ease; }
  [data-reveal].in { opacity: 1; transform: none; }
  @media (prefers-reduced-motion: reduce) {
    [data-reveal] { opacity: 1; transform: none; transition: none; }
    .scroll-cue span.bar { animation: none; }
    * { scroll-behavior: auto; }
  }
  html { scroll-behavior: smooth; }