/* ─── Reset & Base ─────────────────────────────────────────── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --black: #0a0a0a;
      --white: #f8f8f7;
      --grey-light: #ebebea;
      --grey-mid: #c0bfbc;
      --grey-dark: #5a5a58;
      --accent: #c8a96e;       /* gold accent for premium feel */
      --font: 'Inter', 'Helvetica Neue', Arial, sans-serif;
      --nav-h: 140px;
      --radius: 2px;
    }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font);
      background: var(--white);
      color: var(--black);
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    ::selection { background: var(--accent); color: var(--black); }

    /* ─── Typography ────────────────────────────────────────────── */
    .eyebrow {
      font-size: .7rem;
      letter-spacing: .2em;
      text-transform: uppercase;
      color: var(--grey-dark);
    }
    h1 { font-size: clamp(2.4rem, 6vw, 5.5rem); font-weight: 300; line-height: 1.08; letter-spacing: -.02em; }
    h2 { font-size: clamp(1.8rem, 4vw, 3.4rem); font-weight: 300; line-height: 1.12; letter-spacing: -.02em; }
    h3 { font-size: 1.1rem; font-weight: 500; letter-spacing: -.01em; }
    p { font-size: .95rem; line-height: 1.7; color: var(--grey-dark); }

    /* ─── Nav ───────────────────────────────────────────────────── */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      height: var(--nav-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 clamp(1.5rem, 5vw, 4rem);
      z-index: 100;
      background: rgba(248,248,247,.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid transparent;
      transition: border-color .3s;
    }
    nav.scrolled { border-color: var(--grey-light); }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: .8rem;
    }
    .nav-logo .logo-mark {
      width: 108px;
      height: 108px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      overflow: hidden;
    }
    .nav-logo .logo-mark2 img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      animation: spin-slow 8s linear infinite;
    }
    @keyframes spin-slow {
      from { transform: rotate(0deg); }
      to { transform: rotate(360deg); }
    }
    .nav-logo .logo-name {
      font-size: .95rem;
      font-weight: 600;
      letter-spacing: -.01em;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 2.5rem;
      list-style: none;
    }
    .nav-links a {
      font-size: .82rem;
      letter-spacing: .04em;
      text-transform: uppercase;
      color: var(--grey-dark);
      transition: color .2s;
    }
    .nav-links a:hover { color: var(--black); }

    .nav-cta {
      background: var(--black);
      color: var(--white) !important;
      padding: .55rem 1.2rem;
      border: none;
      border-radius: var(--radius);
      font-family: var(--font);
      font-size: .78rem !important;
      letter-spacing: .06em !important;
      text-transform: uppercase;
      cursor: pointer;
      transition: background .2s, color .2s !important;
    }
    .nav-cta:hover { background: var(--accent); color: var(--black) !important; }

    .nav-burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 6px; }
    .nav-burger span { display: block; width: 22px; height: 1.5px; background: var(--black); transition: .3s; }

    /* ─── Hero ──────────────────────────────────────────────────── */
    .hero {
      min-height: 100svh;
      padding-top: var(--nav-h);
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      padding-left: clamp(1.5rem, 5vw, 4rem);
      padding-right: clamp(1.5rem, 5vw, 4rem);
      gap: 4rem;
    }
    .hero-text { max-width: 560px; }
    .hero-text .eyebrow { margin-bottom: 1.6rem; }
    .hero-text h1 { margin-bottom: 1.4rem; }
    .hero-text p { max-width: 38ch; margin-bottom: 2.4rem; }
    .hero-actions { display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; }

    .btn-primary {
      background: var(--black);
      color: var(--white);
      padding: .85rem 2rem;
      font-size: .82rem;
      letter-spacing: .06em;
      text-transform: uppercase;
      border: 1px solid var(--black);
      border-radius: var(--radius);
      cursor: pointer;
      transition: background .2s, color .2s;
    }
    .btn-primary:hover { background: var(--accent); border-color: var(--accent); color: var(--black); }

    .btn-ghost {
      color: var(--grey-dark);
      font-size: .82rem;
      letter-spacing: .04em;
      text-transform: uppercase;
      border-bottom: 1px solid var(--grey-mid);
      padding-bottom: .1rem;
      transition: color .2s, border-color .2s;
    }
    .btn-ghost:hover { color: var(--black); border-color: var(--black); }

    /* Hero visual panel */
    .hero-visual {
      position: relative;
      height: 520px;
      background: var(--black);
      border-radius: 4px;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 2.5rem;
    }
    .hero-visual::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 60%, #1c1410 100%);
    }
    .hero-visual-badge {
      display: none;
    }
    .hero-visual-logo {
      position: relative;
      z-index: 1;
      width: 100%;
      max-width: 480px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .hero-visual-logo img {
      width: 100%;
      height: auto;
      object-fit: contain;
    }
    /* Decorative grid lines on hero panel */
    .hero-visual::after {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size: 40px 40px;
    }
    /* accent line */
    .hero-accent-line {
      position: absolute;
      top: 2.5rem; right: 2.5rem;
      width: 40px; height: 2px;
      background: var(--accent);
      z-index: 2;
    }

    /* scroll indicator */
    .scroll-hint {
      position: absolute;
      bottom: 2.4rem;
      left: clamp(1.5rem, 5vw, 4rem);
      display: flex;
      align-items: center;
      gap: .8rem;
      font-size: .72rem;
      letter-spacing: .1em;
      text-transform: uppercase;
      color: var(--grey-dark);
    }
    .scroll-hint .line {
      width: 32px; height: 1px;
      background: var(--grey-mid);
    }

    /* ─── Section Layout ────────────────────────────────────────── */
    section { padding: clamp(5rem, 10vw, 9rem) clamp(1.5rem, 5vw, 4rem); }
    .section-header { margin-bottom: 4rem; }
    .section-header .eyebrow { margin-bottom: 1.2rem; }
    .divider {
      width: 40px; height: 1px;
      background: var(--accent);
      margin-top: 1.4rem;
    }

    /* ─── Services ──────────────────────────────────────────────── */
    #leistungen { background: var(--black); color: var(--white); }
    #leistungen .eyebrow { color: var(--grey-mid); }
    #leistungen h2 { color: var(--white); }
    #leistungen .divider { background: var(--accent); }
    #leistungen p { color: var(--grey-mid); }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 1px;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.06);
    }
    .service-card {
      padding: 2.8rem 2rem;
      background: var(--black);
      transition: background .3s;
      cursor: default;
      position: relative;
    }
    .service-card:hover { background: #111; }
    .service-card .service-num {
      font-size: .68rem;
      letter-spacing: .15em;
      color: var(--accent);
      margin-bottom: 1.4rem;
    }
    .service-card h3 { color: var(--white); margin-bottom: .8rem; }
    .service-card p { font-size: .85rem; }
    .service-card .arrow {
      position: absolute;
      bottom: 2rem; right: 2rem;
      font-size: 1.1rem;
      color: var(--grey-dark);
      transition: transform .2s, color .2s;
    }
    .service-card:hover .arrow { transform: translate(3px,-3px); color: var(--accent); }

    /* ─── Leitsätze ─────────────────────────────────────────────── */
    #leitsaetze { background: var(--white); }

    .leitsaetze-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }
    .leitsatz-card {
      display: block;
      width: 100%;
      background: var(--white);
      font-family: var(--font);
      text-align: left;
      border: 1px solid var(--grey-light);
      padding: 2.8rem 2rem 2.2rem;
      border-radius: var(--radius);
      cursor: pointer;
      transition: border-color .25s, box-shadow .25s;
      position: relative;
      overflow: hidden;
    }
    .leitsatz-card::after {
      content: '';
      position: absolute;
      bottom: 0; left: 0;
      width: 0; height: 2px;
      background: var(--accent);
      transition: width .35s;
    }
    .leitsatz-card:hover { border-color: #c8c7c4; box-shadow: 0 12px 40px rgba(0,0,0,.06); }
    .leitsatz-card:hover::after { width: 100%; }
    .leitsatz-card .leit-num {
      font-size: .65rem;
      letter-spacing: .2em;
      color: var(--grey-mid);
      margin-bottom: 1rem;
    }
    .leitsatz-card h3 { margin-bottom: .8rem; }
    .leitsatz-card p { font-size: .85rem; }
    .leitsatz-card .read-more {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      margin-top: 1.2rem;
      font-size: .75rem;
      letter-spacing: .08em;
      text-transform: uppercase;
      color: var(--grey-dark);
      transition: color .2s;
    }
    .leitsatz-card:hover .read-more { color: var(--black); }

    /* ─── Overlay ───────────────────────────────────────────────── */
    .overlay {
      display: none;
      position: fixed;
      inset: 0;
      z-index: 200;
      align-items: center;
      justify-content: center;
      padding: clamp(1rem, 4vw, 3rem);
      max-width: 100%;
      max-height: 100%;
      border: none;
      background: transparent;
    }
    .overlay.active { display: flex; }
    .overlay::backdrop {
      background: rgba(10,10,10,.7);
      backdrop-filter: blur(8px);
    }
    .overlay-panel {
      position: relative;
      z-index: 1;
      background: var(--white);
      max-width: 620px;
      width: 100%;
      padding: clamp(2rem, 5vw, 3.5rem);
      border-radius: var(--radius);
      animation: slideUp .35s ease;
    }
    @keyframes slideUp { from { opacity:0; transform: translateY(24px); } to { opacity:1; transform: translateY(0); } }
    .overlay-close {
      position: absolute;
      top: 1.4rem; right: 1.4rem;
      background: none;
      border: 1px solid var(--grey-light);
      width: 36px; height: 36px;
      border-radius: 50%;
      cursor: pointer;
      font-size: 1rem;
      color: var(--grey-dark);
      display: flex; align-items: center; justify-content: center;
      transition: border-color .2s, color .2s;
    }
    .overlay-close:hover { border-color: var(--black); color: var(--black); }
    .overlay-panel .eyebrow { margin-bottom: 1rem; }
    .overlay-panel h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 1.2rem; }
    .overlay-panel p { margin-bottom: .9rem; }
    .overlay-divider { width: 32px; height: 1px; background: var(--accent); margin: 1.4rem 0; }

    /* ─── Sticky CTA ─────────────────────────────────────────────── */
    .sticky-cta {
      position: fixed;
      right: clamp(1.2rem, 3vw, 2.5rem);
      bottom: clamp(1.5rem, 4vh, 3rem);
      z-index: 90;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: .6rem;
      pointer-events: none;
    }
    .sticky-cta-label {
      pointer-events: none;
      background: var(--black);
      color: var(--white);
      padding: .3rem .75rem;
      font-size: .65rem;
      letter-spacing: .12em;
      text-transform: uppercase;
      border-radius: 2px;
      opacity: 0;
      transform: translateX(8px);
      transition: opacity .3s, transform .3s;
      max-width: 220px;
      text-align: right;
      line-height: 1.5;
    }
    .sticky-cta:hover .sticky-cta-label,
    .sticky-cta-label.visible { opacity: 1; transform: translateX(0); }
    .sticky-cta-btn {
      pointer-events: all;
      background: var(--black);
      color: var(--white);
      border: none;
      padding: .9rem 1.5rem;
      font-size: .78rem;
      letter-spacing: .07em;
      text-transform: uppercase;
      border-radius: 2px;
      cursor: pointer;
      transition: background .2s, color .2s;
      white-space: nowrap;
    }
    .sticky-cta-btn:hover { background: var(--accent); color: var(--black); }
    .sticky-cta-context {
      font-size: .65rem;
      color: var(--grey-mid);
      text-align: right;
      letter-spacing: .08em;
      transition: opacity .4s;
    }

    /* ─── Socials ────────────────────────────────────────────────── */
    #socials {
      background: var(--grey-light);
      padding: clamp(4rem, 7vw, 6rem) clamp(1.5rem, 5vw, 4rem);
    }
    .social-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2rem;
      flex-wrap: wrap;
    }
    .social-inner .eyebrow { margin-bottom: .6rem; }
    .social-links { display: flex; gap: 1rem; flex-wrap: wrap; }
    .social-link {
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      padding: .65rem 1.2rem;
      border: 1px solid #d5d4d1;
      border-radius: 2px;
      font-size: .78rem;
      letter-spacing: .05em;
      text-transform: uppercase;
      color: var(--grey-dark);
      transition: border-color .2s, color .2s, background .2s;
    }
    .social-link:hover { border-color: var(--black); color: var(--black); background: var(--white); }

    /* ─── Footer ─────────────────────────────────────────────────── */
    footer {
      padding: 2.5rem clamp(1.5rem, 5vw, 4rem);
      border-top: 1px solid var(--grey-light);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
      flex-wrap: wrap;
    }
    footer .foot-left { display: flex; align-items: center; gap: .7rem; }
    footer .foot-logo-mark {
      width: 72px; height: 72px;
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      overflow: hidden;
    }
    footer .foot-logo-mark img { width: 100%; height: 100%; object-fit: cover; }
    footer .foot-name { font-size: .82rem; font-weight: 600; }
    footer .foot-copy { font-size: .72rem; color: var(--grey-dark); }
    footer .foot-links { display: flex; gap: 1.8rem; }
    footer .foot-links a { font-size: .72rem; color: var(--grey-dark); letter-spacing: .04em; transition: color .2s; }
    footer .foot-links a:hover { color: var(--black); }

    /* ─── Scroll Animations ──────────────────────────────────────── */
    .reveal {
      opacity: 0;
      transform: translateY(32px);
      transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1);
    }
    .reveal.visible { opacity: 1; transform: none; }
    .reveal-delay-1 { transition-delay: .1s; }
    .reveal-delay-2 { transition-delay: .2s; }
    .reveal-delay-3 { transition-delay: .3s; }
    .reveal-delay-4 { transition-delay: .4s; }
    .reveal-delay-5 { transition-delay: .5s; }

    /* ─── Booking Modal ──────────────────────────────────────────── */
    #booking-modal .overlay-panel { max-width: 500px; }
    .booking-form { margin-top: 1.8rem; display: flex; flex-direction: column; gap: 1rem; }
    .form-group { display: flex; flex-direction: column; gap: .4rem; }
    .form-group label { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--grey-dark); }
    .form-group input,
    .form-group select,
    .form-group textarea {
      padding: .8rem 1rem;
      border: 1px solid var(--grey-light);
      border-radius: var(--radius);
      font-family: var(--font);
      font-size: .9rem;
      background: var(--white);
      color: var(--black);
      transition: border-color .2s;
      outline: none;
    }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus { border-color: var(--black); }
    .form-group textarea { resize: vertical; min-height: 80px; }
    .form-submit {
      background: var(--black);
      color: var(--white);
      border: none;
      padding: 1rem;
      font-family: var(--font);
      font-size: .8rem;
      letter-spacing: .08em;
      text-transform: uppercase;
      border-radius: var(--radius);
      cursor: pointer;
      transition: background .2s;
      margin-top: .4rem;
    }
    .form-submit:hover { background: var(--accent); color: var(--black); }
    .form-submit:disabled { opacity: .6; cursor: not-allowed; }
    .form-status {
      display: block;
      min-height: 1.2em;
      font-size: .8rem;
      letter-spacing: .02em;
    }
    .form-status.is-success { color: #3a7d4f; }
    .form-status.is-error { color: #b3432b; }
    .booking-service-hint {
      font-size: .75rem;
      color: var(--accent);
      letter-spacing: .06em;
      font-weight: 500;
    }

    /* ─── Responsive ─────────────────────────────────────────────── */
    @media (max-width: 900px) {
      .hero { grid-template-columns: 1fr; padding-top: calc(var(--nav-h) + 2rem); }
      .hero-visual { height: 300px; }
      .hero-visual-logo { max-width: 300px; }
      .leitsaetze-grid { grid-template-columns: 1fr; }
      .nav-links { display: none; }
      .nav-burger { display: flex; }
    }
    @media (max-width: 600px) {
      .social-inner { flex-direction: column; align-items: flex-start; }
      footer { flex-direction: column; align-items: flex-start; }
      .sticky-cta-btn { font-size: .72rem; padding: .75rem 1.1rem; }
    }

    /* Mobile nav drawer */
    .nav-drawer {
      display: none;
      position: fixed;
      top: var(--nav-h);
      left: 0; right: 0;
      background: rgba(248,248,247,.97);
      backdrop-filter: blur(20px);
      padding: 2rem clamp(1.5rem, 5vw, 4rem);
      z-index: 99;
      border-bottom: 1px solid var(--grey-light);
      flex-direction: column;
      gap: 1.5rem;
    }
    .nav-drawer.open { display: flex; }
    .nav-drawer a,
    .nav-drawer button {
      font-family: var(--font);
      font-size: 1rem;
      letter-spacing: .03em;
      color: var(--grey-dark);
      background: none;
      border: none;
      padding: 0;
      text-align: left;
      cursor: pointer;
      transition: color .2s;
    }
    .nav-drawer a:hover,
    .nav-drawer button:hover { color: var(--black); }