/* =========================================================
   PÖHLMANN+KROMPASS — Stylesheet
   Editorial, photo-led style: white/off-white ground, near-black
   type, one warm taupe accent, sharp corners, condensed uppercase
   headings. Inspired by contemporary Munich AEC-firm sites.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fira+Sans+Condensed:wght@300;400;500;600;700&display=swap');

:root {
  --ink: #0a0a0a;
  --ink-soft: rgba(10, 10, 10, .72);
  --ink-faint: rgba(10, 10, 10, .5);
  --accent: #6e6350;
  --accent-deep: #55492e;
  --paper: #ffffff;
  --paper-alt: #f1f0ec;
  --line: #e2e0d9;
  --on-accent: #ffffff;
  --max: 1280px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --font: 'Fira Sans Condensed', Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-weight: 400;
  color: var(--ink-soft);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
  font-size: 17px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 {
  font-family: var(--font);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--ink);
}
h1 { font-size: clamp(2.4rem, 6vw, 4.25rem); letter-spacing: -0.03em; line-height: 1.02; }
h2 { font-size: clamp(1.9rem, 4vw, 2.75rem); line-height: 1.06; }
h3 { font-size: 1.15rem; letter-spacing: -0.01em; }
p { margin: 0 0 1.1em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}
.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff;
  padding: .75rem 1.25rem; z-index: 200;
}
.skip-link:focus { left: var(--gutter); top: var(--gutter); }
.eyebrow {
  display: block; text-transform: uppercase; letter-spacing: .12em; font-size: .8rem;
  color: var(--accent); font-weight: 600; margin-bottom: .75rem;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--accent);
  position: sticky; top: 0; z-index: 60;
}
/* Home page: header floats transparently over the full-bleed hero photo,
   then solidifies once the page is scrolled past the hero. */
.page-home .site-header {
  position: fixed; top: 0; left: 0; right: 0;
  background: transparent;
  transition: background-color .25s ease;
}
.page-home .site-header.is-scrolled { background: var(--accent); }
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-top: .9rem; padding-bottom: .9rem;
}
.logo {
  display: inline-flex; align-items: center;
}
.logo img {
  width: clamp(56px, 5vw, 76px); display: block;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,.5));
}
.logo-word {
  color: #fff; font-weight: 600; text-transform: uppercase; letter-spacing: -.01em;
  font-size: clamp(1rem, 1.6vw, 1.3rem); white-space: nowrap; margin-left: .65rem;
  text-shadow: 0 1px 3px rgba(0,0,0,.5);
}
.main-nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 1.75rem 2.1rem;
}
.main-nav a {
  font-weight: 500;
  font-size: .98rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: #fff;
  opacity: .82;
  transition: opacity .15s ease;
}
.main-nav a:hover, .main-nav a:focus-visible, .main-nav a[aria-current="page"] {
  opacity: 1;
}
.nav-toggle {
  display: none;
  background: none; border: 0; cursor: pointer; padding: .5rem;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after {
  content: ''; display: block; width: 26px; height: 2px; background: #fff; margin: 6px 0;
}
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; inset: 0 0 0 auto; width: min(80vw, 340px);
    background: var(--accent-deep); box-shadow: -6px 0 24px rgba(0,0,0,.25);
    transform: translateX(100%); transition: transform .25s ease;
    padding: 5.5rem 2rem 2rem; overflow-y: auto;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 1.4rem; }
  .nav-backdrop {
    position: fixed; inset: 0; background: rgba(0,0,0,.3);
    opacity: 0; pointer-events: none; transition: opacity .25s ease; z-index: 40;
  }
  .nav-backdrop.is-open { opacity: 1; pointer-events: auto; }
}

/* ---------- Hero slider (home) ---------- */
.hero {
  position: relative;
  min-height: min(88vh, 780px);
  display: grid;
  overflow: hidden;
  background: var(--ink);
}
.hero-slide {
  grid-area: 1 / 1;
  background-size: cover; background-position: center;
  opacity: 0; visibility: hidden; transition: opacity 1.1s ease;
}
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-slide::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,.08) 22%, rgba(0,0,0,.1) 55%, rgba(0,0,0,.72) 100%);
}
.hero-content {
  position: absolute; inset: 0; z-index: 5;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 0 clamp(2.5rem, 6vw, 5rem);
}
.hero-content .wrap { width: 100%; }
.hero-content .eyebrow { color: #fff; opacity: .85; }
.hero-content h1 { color: #fff; max-width: 16ch; margin-bottom: 1.75rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; }

.btn {
  display: inline-block; font-weight: 500; text-transform: uppercase; letter-spacing: .04em;
  font-size: .95rem; padding: 1.05rem 2rem; border: 1px solid currentColor; cursor: pointer;
  background: transparent; transition: background .15s ease, color .15s ease;
}
.btn-outline-light { color: #fff; }
.btn-outline-light:hover { background: #fff; color: var(--ink); }
.btn-outline-dark { color: var(--ink); border-color: var(--ink); }
.btn-outline-dark:hover { background: var(--ink); color: #fff; }
.btn-solid { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-solid:hover { background: var(--accent); border-color: var(--accent); }
.btn-text {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 500; text-transform: uppercase; letter-spacing: .04em; font-size: .95rem;
  color: #fff; padding: 1.05rem 0; border-bottom: 1px solid rgba(255,255,255,.6);
}
.btn-text:hover { border-color: #fff; }

.hero-nav {
  position: absolute; bottom: clamp(1.5rem, 4vw, 3.5rem); right: var(--gutter); z-index: 6;
  display: flex; gap: .75rem;
}
.hero-nav-btn {
  width: 48px; height: 48px; border-radius: 50%; border: 1px solid #fff;
  background: transparent; color: #fff; padding: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s ease, color .15s ease;
}
.hero-nav-btn:hover, .hero-nav-btn:focus-visible { background: #fff; color: var(--ink); }
@media (max-width: 620px) {
  .hero-nav-btn { width: 40px; height: 40px; }
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  padding: 4rem 0 2.75rem;
  background: var(--paper-alt);
  border-bottom: 1px solid var(--line);
}
.breadcrumb {
  text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; color: var(--ink-faint);
  margin-bottom: 1.1rem;
}
.breadcrumb a { color: var(--accent); }
.breadcrumb a:hover { text-decoration: underline; }

/* ---------- Sections / generic ---------- */
main { display: block; }
.section { padding: clamp(3rem, 7vw, 6rem) 0; }
.section--tight { padding: clamp(2rem, 5vw, 3.5rem) 0; }
.section--alt { background: var(--paper-alt); }
.lede {
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  font-weight: 400;
  color: var(--ink-soft);
  max-width: 68ch;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
@media (max-width: 780px) { .grid-2 { grid-template-columns: 1fr; } }
.quote {
  font-weight: 400; font-style: normal;
  font-size: clamp(1.4rem, 2.6vw, 2.1rem); line-height: 1.28; color: var(--ink);
  text-transform: uppercase; letter-spacing: -0.015em;
}
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.section-head h2 { margin: 0; }
.cross-link {
  display: inline-flex; align-items: center; gap: .6rem;
  text-transform: uppercase; letter-spacing: .05em;
  font-weight: 500; color: var(--accent); border-bottom: 1px solid var(--accent);
  padding-bottom: .2rem;
}
.cross-link:hover { color: var(--ink); border-color: var(--ink); }

/* ---------- Projects grid ---------- */
.filter-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: .3rem 1.75rem; margin-bottom: 3rem;
  list-style: none; padding: 0; border-bottom: 1px solid var(--line); padding-bottom: 1.5rem;
}
.filter-bar button {
  font-size: .92rem; text-transform: uppercase;
  letter-spacing: .04em; background: none; border: 0; border-bottom: 2px solid transparent;
  padding: .4rem 0; cursor: pointer; color: var(--ink-faint); font-weight: 500;
  transition: color .15s ease, border-color .15s ease;
}
.filter-bar button.is-active, .filter-bar button:hover {
  color: var(--ink); border-color: var(--accent);
}
.filter-bar .filter-reset {
  margin-left: auto; color: var(--accent); font-size: .85rem; text-transform: uppercase;
  letter-spacing: .04em; border-bottom: 1px solid transparent;
}
.filter-bar .filter-reset:hover { border-color: var(--accent); }
.project-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.25rem 1.75rem;
}
@media (max-width: 980px) { .project-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .project-grid { grid-template-columns: 1fr; } }
.project-card { display: block; }
.project-card-img {
  aspect-ratio: 8 / 5; background-size: cover; background-position: center; background-color: var(--paper-alt);
  overflow: hidden;
}
.project-card-img > div { width: 100%; height: 100%; background-size: cover; background-position: center; transition: transform .5s ease; }
.project-card:hover .project-card-img > div { transform: scale(1.04); }
.project-card-body { padding: 1.1rem 0 0; }
.project-card-body h3 {
  font-size: 1.15rem; margin: 0 0 .3rem; line-height: 1.25;
}
.project-card-body p { font-size: .88rem; color: var(--ink-faint); margin: 0; text-transform: uppercase; letter-spacing: .03em; }
.project-card[hidden] { display: none; }

/* ---------- Project detail ---------- */
.project-meta {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem 2rem; margin: 2.5rem 0; padding: 1.75rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.project-meta dt {
  text-transform: uppercase; font-size: .76rem;
  letter-spacing: .07em; color: var(--accent); margin-bottom: .3rem; font-weight: 600;
}
.project-meta dd { margin: 0; font-size: .98rem; color: var(--ink); }
.project-gallery { display: grid; gap: 1.5rem; }
.project-gallery figure { margin: 0; }
.project-gallery figcaption { font-size: .82rem; color: var(--ink-faint); margin-top: .5rem; }
.project-body { max-width: 74ch; font-size: 1.05rem; }

/* ---------- Team ---------- */
.team-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 2.5rem 2rem;
}
.team-card img { aspect-ratio: 3/2; object-fit: cover; }
.team-card h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--accent); margin: 1rem 0 .15rem; font-weight: 600; }
.team-card h3 { font-size: 1.4rem; margin: 0 0 .6rem; }
.team-card p { font-size: .95rem; color: var(--ink-soft); }

/* ---------- Leistungen (numbered list) ---------- */
.services-list { display: flex; flex-direction: column; }
.service-item {
  display: grid; grid-template-columns: 88px 1fr; gap: 1.5rem 2.5rem;
  padding: clamp(2rem, 4vw, 3.25rem) 0; border-top: 1px solid var(--line);
}
.service-item:last-child { border-bottom: 1px solid var(--line); }
.service-item .num {
  font-size: clamp(2.5rem, 4vw, 3.5rem); color: var(--line); font-weight: 500; line-height: 1;
}
.service-item h2 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin-bottom: 1rem; }
.service-item .service-body { display: grid; grid-template-columns: 1.3fr 1fr; gap: 2.5rem; align-items: start; }
@media (max-width: 900px) { .service-item .service-body { grid-template-columns: 1fr; } }
.service-item ul { margin: 1.25rem 0 0; padding-left: 1.1rem; }
.service-item li { margin-bottom: .4rem; }
.service-item li a { color: var(--accent); border-bottom: 1px solid transparent; }
.service-item li a:hover { border-color: var(--accent); }
.service-photo { aspect-ratio: 4/3; overflow: hidden; }
.service-photo img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 620px) {
  .service-item { grid-template-columns: 1fr; }
  .service-item .num { font-size: 2rem; }
}

/* ---------- Kontakt ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card { margin-bottom: 1.75rem; }
.contact-card h3 { font-size: 1.05rem; margin-bottom: .3rem; }
.map-facade {
  position: relative; aspect-ratio: 4/3;
  background: var(--paper-alt);
  border: 1px solid var(--line);
}
.map-facade button {
  position: absolute; inset: auto auto 1.25rem 1.25rem;
  text-transform: uppercase; letter-spacing: .05em;
  background: var(--ink); color: #fff; border: 0; padding: .9rem 1.5rem;
  cursor: pointer; font-size: .9rem; font-weight: 500;
}
.map-facade iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ---------- Contact form ---------- */
.contact-form-wrap { max-width: 640px; }
.contact-form { margin-top: 2rem; display: grid; gap: 1.4rem; }
.form-row { display: flex; flex-direction: column; gap: .4rem; }
.form-row label {
  font-size: .82rem; text-transform: uppercase;
  letter-spacing: .04em; color: var(--ink-faint); font-weight: 500;
}
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row textarea {
  font: inherit; font-size: 1rem; padding: .8rem 1rem; border: 1px solid var(--line);
  background: var(--paper); color: var(--ink); resize: vertical;
}
.form-row input:focus, .form-row textarea:focus {
  outline: 1px solid var(--accent); outline-offset: 1px; border-color: var(--accent);
}
.form-row--checkbox label {
  display: flex; align-items: flex-start; gap: .6rem; text-transform: none;
  font-size: .92rem; letter-spacing: normal; color: var(--ink-soft); font-weight: 400;
}
.form-row--checkbox input { margin-top: .25rem; flex: none; }
.form-row--checkbox a { color: var(--accent); text-decoration: underline; }
.form-row--honeypot {
  position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden;
}
.btn-primary {
  justify-self: start; text-transform: uppercase;
  letter-spacing: .05em; background: var(--ink); color: #fff; border: 0;
  padding: 1rem 2.25rem; cursor: pointer; font-size: 1rem; font-weight: 500;
  transition: background .15s ease;
}
.btn-primary:hover { background: var(--accent); }
.form-message {
  padding: 1rem 1.25rem; margin-bottom: 1.5rem; font-size: .95rem; border-left: 3px solid;
}
.form-message--success { background: #eef4ec; color: #2f4a2a; border-color: #4a7a3e; }
.form-message--error { background: #f8ece7; color: #6b3524; border-color: #b5583a; }
.form-message[hidden] { display: none; }

/* ---------- Footer (light, matching reference) ---------- */
.site-footer { background: var(--paper); border-top: 1px solid var(--line); padding: 4rem 0 2rem; margin-top: 4rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2.5rem; }
.site-footer h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-faint); margin-bottom: 1rem; font-weight: 600; }
.site-footer p { font-size: .95rem; color: var(--ink-soft); }
.site-footer a:hover { color: var(--accent); }
.footer-bottom {
  max-width: var(--max); margin: 2.5rem auto 0; padding: 1.5rem var(--gutter) 0;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  font-size: .82rem; color: var(--ink-faint);
}

/* ---------- Reveal-on-scroll ---------- */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Legal pages ---------- */
.legal h2 { font-size: 1.15rem; text-transform: none; letter-spacing: normal; margin-top: 2.5rem; }
.legal { max-width: 74ch; }