/* =========================================================
   werkgruppe drei – Website
   Design tokens direkt aus Logo/Website abgeleitet (siehe
   phase2_markenanalyse.md). Keine erfundenen Bestandsfarben.
   ========================================================= */

:root {
  /* Bestandsfarben */
  --c-white: #FFFFFF;
  --c-ink: #111111;
  --c-blue: #273461;
  --c-lime: #C3D217;

  /* Relaunch-Erweiterung (dokumentiert, keine offizielle Bestandsfarbe) */
  --c-chalk: #F7F7F2;
  --c-lime-mist: #EEF3C8;
  --c-blue-deep: #1C274B;
  --c-stone: #A7AAA5;
  --c-wood: #C8A77C;

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --maxw: 1320px;
  --gap: clamp(1rem, 2vw, 2rem);
  --radius: 2px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 0.25s;
  --dur-med: 0.6s;

  color-scheme: light;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--c-ink);
  background: var(--c-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--c-blue); line-height: 1.15; margin: 0 0 0.6em; font-weight: 600; }
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 500; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p { margin: 0 0 1em; }
a { color: inherit; }
ul { padding-left: 1.2em; }
.container { max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 3rem); }
section { padding-block: clamp(3.5rem, 8vw, 7rem); }
.section-alt { background: var(--c-chalk); }
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 0.9em;
  position: relative;
  padding-left: 1.4em;
}
.eyebrow::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 1em; height: 2px;
  background: var(--c-lime);
  transform: translateY(-50%);
}
.lede { font-size: 1.15rem; color: #33415f; max-width: 62ch; }

/* Skip link */
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--c-blue); color: var(--c-white);
  padding: 0.8em 1.2em; z-index: 1000;
}
.skip-link:focus { left: 0.75rem; top: 0.75rem; }

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--c-blue);
  outline-offset: 2px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.95em 1.7em;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--c-blue); color: var(--c-white); }
.btn-primary:hover { background: var(--c-blue-deep); }
.btn-secondary { background: transparent; color: var(--c-blue); border-color: var(--c-blue); }
.btn-secondary:hover { background: var(--c-blue); color: var(--c-white); }
.btn-accent { background: var(--c-lime); color: var(--c-blue); }
.btn-accent:hover { background: #aebd14; }
.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 500;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid rgba(39, 52, 97, 0.08);
  transition: box-shadow var(--dur-fast) var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(17, 17, 17, 0.06); }
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7em;
  text-decoration: none;
  flex: 0 0 auto;
  margin-right: auto;
}
.brand-mark {
  width: 40px; height: 40px;
  border-radius: 3px;
  background: var(--c-blue);
  color: var(--c-lime);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  flex-shrink: 0;
}
.brand-name {
  font-family: var(--font-display);
  color: var(--c-blue);
  font-size: 1.05rem;
  line-height: 1.15;
  white-space: nowrap;
}
.brand-name small { display: block; font-family: var(--font-body); font-size: 0.62rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--c-stone); }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2.1rem);
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--c-blue);
  white-space: nowrap;
  position: relative;
  padding: 0.3em 0;
}
.nav-links a.btn { color: var(--c-white); }
.nav-links a.btn-secondary { color: var(--c-blue); }
.nav-links a::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 2px; background: var(--c-lime);
  transition: right var(--dur-fast) var(--ease);
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { right: 0; }
.nav-cta a::after { content: none; }
.nav-cta { margin-left: 0.5rem; }

.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  flex-shrink: 0;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after {
  content: ""; display: block; width: 22px; height: 2px; background: var(--c-blue);
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}
.nav-toggle span { margin: 5px 0; }
.nav-toggle[aria-expanded="true"]::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span { opacity: 0; }
.nav-toggle[aria-expanded="true"]::after { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; inset: 76px 0 0 0;
    background: var(--c-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem clamp(1.25rem, 4vw, 3rem);
    gap: 1.6rem;
    transform: translateX(100%);
    transition: transform var(--dur-med) var(--ease);
    overflow-y: auto;
  }
  .nav-links.is-open { transform: translateX(0); }
  .nav-links a { font-size: 1.3rem; }
  .nav-cta { margin-left: 0; }
}

/* ---------- Hero ---------- */
.hero-stage {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: linear-gradient(180deg, #eef1f6 0%, var(--c-chalk) 60%);
  display: flex;
  align-items: center;
}
.hero-visual {
  position: absolute;
  inset: 0;
}
.hero-photo-wrap {
  position: absolute; inset: 0;
  clip-path: inset(0% 0 0 0);
  will-change: clip-path;
}
.hero-photo-wrap img {
  width: 100%; height: 100%; object-fit: cover; object-position: 60% 50%;
}
.hero-photo-wrap::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(247,247,242,0.92) 0%, rgba(247,247,242,0.35) 34%, rgba(247,247,242,0) 52%);
}
.hero-blueprint {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 1;
  will-change: opacity;
}
.hero-blueprint .wf-line { stroke-dasharray: 1; stroke-dashoffset: 0; }
.hero-progress-marker {
  position: absolute;
  left: clamp(1.25rem, 4vw, 3rem);
  bottom: 12%;
  display: flex; align-items: center; gap: 0.7em;
  font-family: var(--font-body); font-weight: 700; font-size: 0.82rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--c-blue);
  opacity: 0;
  transition: opacity var(--dur-fast) linear;
}
.hero-progress-marker .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--c-lime); box-shadow: 0 0 0 4px rgba(195,210,23,0.25); }
.hero-progress-track { width: min(180px, 30vw); height: 3px; background: rgba(39,52,97,0.15); position: relative; border-radius: 2px; overflow: hidden; }
.hero-progress-fill { position: absolute; inset: 0 auto 0 0; width: 0%; background: var(--c-blue); }

.hero-content {
  position: relative;
  z-index: 5;
  max-width: 560px;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  padding-top: 76px;
}
.hero-content .eyebrow { color: var(--c-blue); }
.hero-content h1 { margin-bottom: 0.35em; }
.hero-content .lede { margin-bottom: 1.6em; color: #2c3550; }
.hero-scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 2.2rem;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5em;
  font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--c-blue); opacity: 0.75;
  z-index: 5;
}
.hero-scroll-cue .line { width: 1px; height: 34px; background: var(--c-blue); position: relative; overflow: hidden; }
.hero-scroll-cue .line::after {
  content: ""; position: absolute; left: 0; top: -100%; width: 100%; height: 100%;
  background: var(--c-lime);
  animation: scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue { 50% { top: 100%; } 100% { top: 100%; } }
@media (prefers-reduced-motion: reduce) {
  .hero-scroll-cue .line::after { animation: none; top: 0; }
}

.hero-spacer { height: 220vh; }
@media (max-width: 720px) {
  .hero-spacer { height: 140vh; }
}
.hero-stage.is-pinned { }
.no-js .hero-spacer, .reduced-motion .hero-spacer, .no-scrollfx .hero-spacer { height: auto; }

/* Static / fallback state: full photo visible, blueprint as faint corner accent only */
.no-js .hero-photo-wrap, .reduced-motion .hero-photo-wrap, .no-scrollfx .hero-photo-wrap { clip-path: none; }
.no-js .hero-blueprint, .reduced-motion .hero-blueprint, .no-scrollfx .hero-blueprint { opacity: 0.16; }
.no-js .hero-scroll-cue, .no-js .hero-progress-marker { display: none; }

/* ---------- Kurzprofil / generic content blocks ---------- */
.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.split.reverse { grid-template-columns: 0.9fr 1.1fr; }
.split.reverse .split-media { order: 2; }
@media (max-width: 860px) {
  .split, .split.reverse { grid-template-columns: 1fr; }
  .split.reverse .split-media { order: 0; }
}
.split-media img, .media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-frame { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; background: var(--c-stone); position: relative; }
.media-frame.tall { aspect-ratio: 3/4; }
.media-frame.wide { aspect-ratio: 16/10; }
.media-caption { font-size: 0.78rem; color: var(--c-stone); margin-top: 0.6em; }

.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.stat { border-left: 3px solid var(--c-lime); padding-left: 0.9em; }
.stat .num { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.6rem); color: var(--c-blue); display: block; }
.stat .lbl { font-size: 0.85rem; color: #4a5372; }

/* ---------- Leistungen ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: clamp(1.25rem, 2.5vw, 1.75rem); margin-top: 2.5rem; }
.card {
  background: var(--c-white);
  border: 1px solid rgba(39,52,97,0.1);
  padding: 1.9rem 1.7rem;
  border-radius: var(--radius);
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(28,39,75,0.1); border-color: rgba(39,52,97,0.18); }
.card .num { font-family: var(--font-display); color: var(--c-lime-mist); -webkit-text-stroke: 1.5px var(--c-blue); font-size: 2.4rem; display: block; margin-bottom: 0.3em; }
.card h3 { margin-bottom: 0.4em; }
.card p { color: #444; font-size: 0.96rem; margin-bottom: 0; }
.card ul { margin: 0.6em 0 0; padding-left: 1.1em; font-size: 0.92rem; color: #444; }
.card ul li { margin-bottom: 0.25em; }

/* ---------- Projekte ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 2rem 0 2.2rem; }
.filter-btn {
  border: 1.5px solid rgba(39,52,97,0.25);
  background: transparent;
  color: var(--c-blue);
  padding: 0.55em 1.15em;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.filter-btn:hover { background: var(--c-lime-mist); }
.filter-btn[aria-pressed="true"] { background: var(--c-blue); color: var(--c-white); border-color: var(--c-blue); }

.project-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: clamp(1.5rem, 3vw, 2.2rem); }
.project-card { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--c-blue); }
.project-card .media-frame { aspect-ratio: 4/3; }
.project-card figcaption {
  position: absolute; inset: auto 0 0 0;
  padding: 1.3rem 1.4rem 1.1rem;
  background: linear-gradient(0deg, rgba(28,39,75,0.92) 10%, rgba(28,39,75,0) 100%);
  color: var(--c-white);
}
.project-card .tag {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--c-blue); background: var(--c-lime); padding: 0.25em 0.6em; border-radius: 999px; margin-bottom: 0.5em;
}
.project-card h3 { color: var(--c-white); font-size: 1.15rem; margin-bottom: 0.15em; }
.project-card p { font-size: 0.85rem; color: #d9dcea; margin: 0; }
.project-card[hidden] { display: none; }

.note-box {
  border: 1px dashed rgba(39,52,97,0.35);
  background: var(--c-lime-mist);
  padding: 1.1rem 1.3rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  color: #333;
  margin-top: 2.5rem;
}

/* ---------- Prozess ---------- */
.process-list { list-style: none; margin: 2.5rem 0 0; padding: 0; counter-reset: step; }
.process-list li {
  counter-increment: step;
  display: grid; grid-template-columns: 64px 1fr; gap: 1.2rem;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(39,52,97,0.12);
}
.process-list li:last-child { border-bottom: 1px solid rgba(39,52,97,0.12); }
.process-list li > div:first-child::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display); font-size: 1.6rem; color: var(--c-lime);
  -webkit-text-stroke: 1px var(--c-blue);
}
.process-list h3 { margin-bottom: 0.25em; }
.process-list p { color: #444; margin: 0; font-size: 0.95rem; }

/* ---------- Team ---------- */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; margin-top: 2.5rem; }
.team-card .media-frame { aspect-ratio: 1/1; margin-bottom: 1rem; background: var(--c-blue-deep); }
.team-card h3 { margin-bottom: 0.1em; font-size: 1.15rem; }
.team-card .role { font-size: 0.86rem; color: var(--c-stone); font-weight: 600; }

/* ---------- FAQ ---------- */
.faq-list { margin-top: 2rem; border-top: 1px solid rgba(39,52,97,0.15); }
.faq-item { border-bottom: 1px solid rgba(39,52,97,0.15); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.3rem 2.4rem 1.3rem 0;
  font-weight: 700;
  color: var(--c-blue);
  position: relative;
  font-size: 1.02rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute; right: 0.2rem; top: 50%; transform: translateY(-50%);
  font-size: 1.4rem; color: var(--c-lime); -webkit-text-stroke: 1px var(--c-blue);
  transition: transform var(--dur-fast) var(--ease);
}
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { padding-bottom: 1.3rem; margin: 0; color: #333; max-width: 68ch; }

/* ---------- Kontakt ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 4vw, 3.5rem); align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.info-list { list-style: none; padding: 0; margin: 1.6rem 0 0; }
.info-list li { display: flex; gap: 0.9em; padding: 0.7em 0; border-bottom: 1px solid rgba(39,52,97,0.1); }
.info-list .ico { color: var(--c-lime); -webkit-text-stroke: 1px var(--c-blue); font-family: var(--font-display); flex-shrink: 0; }
.map-embed { border-radius: var(--radius); overflow: hidden; aspect-ratio: 16/10; background: var(--c-chalk); border: 1px solid rgba(39,52,97,0.15); }
.map-embed iframe { width: 100%; height: 100%; border: 0; }
.map-fallback { padding: 1.2rem; font-size: 0.85rem; }

.calendly-box {
  margin-top: 2rem;
  border: 1.5px dashed rgba(39,52,97,0.3);
  border-radius: var(--radius);
  padding: 1.6rem;
  background: var(--c-chalk);
}
.calendly-box h3 { margin-bottom: 0.3em; }

form.contact-form { display: grid; gap: 1rem; margin-top: 1.8rem; }
.contact-form label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.35em; color: var(--c-blue); }
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%; padding: 0.8em 0.9em; border: 1.5px solid rgba(39,52,97,0.25);
  border-radius: var(--radius); font: inherit; background: var(--c-white);
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--c-blue); }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 560px) { .form-row-2 { grid-template-columns: 1fr; } }
.form-consent { display: flex; gap: 0.6em; align-items: flex-start; font-size: 0.85rem; }
.form-consent input { width: auto; margin-top: 0.25em; }
.form-note { font-size: 0.78rem; color: var(--c-stone); }

/* ---------- Footer ---------- */
.site-footer { background: var(--c-blue-deep); color: #cfd4e6; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; padding-block: 3.5rem 2rem; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 2rem; } }
.footer-grid h4 { color: var(--c-white); font-family: var(--font-body); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 1em; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 0.6em; }
.footer-grid a { color: #cfd4e6; text-decoration: none; font-size: 0.92rem; }
.footer-grid a:hover { color: var(--c-lime); }
.footer-brand { display: flex; align-items: center; gap: 0.7em; margin-bottom: 1em; }
.footer-legal {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 1.4rem 0 2rem;
  font-size: 0.8rem;
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: space-between; color: #9aa2c0;
}
.footer-legal a { color: #cfd4e6; text-decoration: none; }
.footer-legal a:hover { color: var(--c-lime); }

/* ---------- Legal pages ---------- */
.legal-page { padding-top: 76px; }
.legal-banner {
  margin-top: 76px;
  background: #fff4d6;
  border-bottom: 1px solid #e8cf8a;
  color: #6b5300;
  font-size: 0.9rem;
  text-align: center;
  padding: 0.75rem 1rem;
}
.legal-content { max-width: 800px; padding-block: 3rem 6rem; }
.legal-content h2 { margin-top: 1.6em; }
.legal-content h3 { margin-top: 1.2em; }

/* Utility */
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.text-center { text-align: center; }
.mt-lg { margin-top: 3rem; }