/* ==========================================================================
   WALTER BLANK — Planungs- & Ingenieurbüro
   Designsystem: Editorial / Premium Architektur
   ========================================================================== */

/* -------------------- Fonts -------------------- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;1,400&family=Inter:wght@300;400;500;600;700&display=swap');

/* -------------------- Design Tokens -------------------- */
:root {
  /* Primärfarben */
  --color-offwhite: #F5F3EF;
  --color-anthracite: #171717;
  --color-black: #0D0D0D;

  /* Sekundärfarben */
  --color-sand: #D8D1C5;
  --color-concrete: #A7A49E;
  --color-beige: #E8E1D7;

  /* Akzentfarbe — tiefes Blau */
  --color-accent: #34495E;
  --color-accent-light: #4F6579;
  --color-accent-dim: rgba(52, 73, 94, 0.08);

  /* Semantische Zuordnung */
  --bg-page: var(--color-offwhite);
  --bg-alt: var(--color-beige);
  --bg-dark: var(--color-anthracite);
  --bg-darker: var(--color-black);
  --text-primary: var(--color-anthracite);
  --text-inverse: var(--color-offwhite);
  --text-muted: #5C594F;
  --border-subtle: #DAD5C9;
  --border-dark: rgba(23, 23, 23, 0.14);

  /* Typografie */
  --font-display: 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;

  --fs-h1: clamp(2.75rem, 6vw, 5.5rem);
  --fs-h2: clamp(2.1rem, 4vw, 3.4rem);
  --fs-h3: clamp(1.5rem, 2.4vw, 2.1rem);
  --fs-h4: clamp(1.15rem, 1.4vw, 1.4rem);
  --fs-lead: clamp(1.15rem, 1.6vw, 1.4rem);
  --fs-body: 1.0625rem;
  --fs-small: 0.9rem;
  --fs-eyebrow: 0.8rem;

  --lh-tight: 1.08;
  --lh-heading: 1.2;
  --lh-body: 1.7;

  /* Abstände */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1.25rem;
  --space-md: 2rem;
  --space-lg: 3.5rem;
  --space-xl: 6rem;
  --space-2xl: 9rem;

  --container-max: 1360px;
  --container-narrow: 760px;
  --content-gutter: clamp(1.25rem, 5vw, 4rem);

  --radius-sm: 2px;
  --radius-md: 4px;

  --ease-editorial: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 220ms;
  --dur-med: 480ms;
  --dur-slow: 900ms;

  --header-h: 92px;
  --header-h-scrolled: 68px;
}

/* -------------------- Reset -------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
svg { display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p, figure { margin: 0; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--lh-heading);
  letter-spacing: -0.01em;
  color: var(--text-primary);
}
h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); font-weight: 500; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); font-family: var(--font-body); font-weight: 600; }

p.lead { font-size: var(--fs-lead); line-height: 1.55; color: var(--text-muted); font-weight: 400; }

.eyebrow {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--color-accent);
  display: inline-block;
}

/* -------------------- Focus & A11y -------------------- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 1px;
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-black);
  color: var(--color-offwhite);
  padding: 1rem 1.5rem;
  z-index: 1000;
  font-size: 0.9rem;
}
.skip-link:focus {
  left: var(--space-sm);
  top: var(--space-sm);
}
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* -------------------- Layout -------------------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--content-gutter);
}
.container--narrow { max-width: var(--container-narrow); }
section { position: relative; }
.section-pad { padding-block: var(--space-xl); }
.section-pad-sm { padding-block: var(--space-lg); }
.bg-dark { background: var(--bg-dark); color: var(--text-inverse); }
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 { color: var(--text-inverse); }
.bg-alt { background: var(--bg-alt); }
.divider { height: 1px; background: var(--border-subtle); width: 100%; }

.grid { display: grid; gap: var(--space-md); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-12 { grid-template-columns: repeat(12, 1fr); }

@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* -------------------- Buttons -------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.9rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease-editorial), color var(--dur-fast) var(--ease-editorial), border-color var(--dur-fast) var(--ease-editorial), transform var(--dur-fast) var(--ease-editorial);
  white-space: nowrap;
  min-height: 48px;
}
.btn svg { width: 16px; height: 16px; transition: transform var(--dur-fast) var(--ease-editorial); }
.btn:hover svg { transform: translateX(3px); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-offwhite);
  border: 1px solid var(--color-accent);
}
.btn-primary:hover { background: var(--color-accent-light); border-color: var(--color-accent-light); }

.btn-dark {
  background: var(--color-anthracite);
  color: var(--color-offwhite);
  border: 1px solid var(--color-anthracite);
}
.btn-dark:hover { background: var(--color-black); }

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-dark);
}
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); }

.bg-dark .btn-outline { color: var(--text-inverse); border-color: rgba(245,243,239,0.3); }
.bg-dark .btn-outline:hover { border-color: var(--color-offwhite); }

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  padding-bottom: 2px;
}
.btn-text::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(1);
  transform-origin: right;
  transition: transform var(--dur-med) var(--ease-editorial);
}
.btn-text:hover::after { transform: scaleX(0); transform-origin: left; }
.btn-text:hover svg { transform: translateX(3px); }

/* -------------------- Header -------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: height var(--dur-med) var(--ease-editorial), background var(--dur-med) var(--ease-editorial), box-shadow var(--dur-med) var(--ease-editorial), border-color var(--dur-med) var(--ease-editorial);
  background: rgba(245, 243, 239, 0.0);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  height: var(--header-h-scrolled);
  background: rgba(245, 243, 239, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}
.brand small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--text-muted);
}
.brand .brand-mark { color: var(--color-accent); }

.main-nav { display: flex; align-items: center; gap: var(--space-lg); }
.main-nav ul { display: flex; gap: var(--space-md); }
.main-nav a:not(.btn) {
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}
.main-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0%;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--dur-fast) var(--ease-editorial);
}
.main-nav a:not(.btn):hover::after,
.main-nav a[aria-current="page"]::after { width: 100%; }
.main-nav a[aria-current="page"] { color: var(--color-accent); }

.header-actions { display: flex; align-items: center; gap: var(--space-sm); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span { width: 22px; height: 1.5px; background: var(--color-anthracite); transition: transform var(--dur-fast) var(--ease-editorial), opacity var(--dur-fast) var(--ease-editorial); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--color-offwhite);
  z-index: 480;
  padding: calc(var(--header-h) + var(--space-md)) var(--content-gutter) var(--space-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateY(-100%);
  transition: transform var(--dur-med) var(--ease-editorial);
}
.mobile-nav.is-open { transform: translateY(0); }
.mobile-nav ul { display: flex; flex-direction: column; gap: var(--space-sm); }
.mobile-nav a:not(.btn) { font-family: var(--font-display); font-size: 2.2rem; font-weight: 500; }
.mobile-nav .mobile-nav-footer { display: flex; flex-direction: column; gap: var(--space-sm); }
.mobile-nav .mobile-nav-footer a { font-size: 0.95rem; color: var(--text-muted); }

@media (max-width: 980px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .btn-primary.header-cta { display: none; }
}

/* -------------------- Hero -------------------- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding-top: calc(var(--header-h) + var(--space-lg));
  padding-bottom: var(--space-xl);
  position: relative;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,13,13,0.35) 0%, rgba(13,13,13,0.05) 30%, rgba(13,13,13,0.55) 100%);
}
.hero-content { color: var(--color-offwhite); max-width: 900px; }
.hero .eyebrow { color: var(--color-beige); }
.hero .eyebrow::before { background: var(--color-beige); }
.hero h1 { color: var(--color-offwhite); margin-block: var(--space-sm); }
.hero p.lead { color: rgba(245,243,239,0.86); max-width: 620px; }
.hero-actions { display: flex; gap: var(--space-sm); margin-top: var(--space-md); flex-wrap: wrap; }
.hero-meta {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(245,243,239,0.25);
  color: rgba(245,243,239,0.75);
  font-size: var(--fs-small);
  flex-wrap: wrap;
}
.hero-meta div span { display: block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(245,243,239,0.5); margin-bottom: 2px; }
.scroll-hint {
  position: absolute;
  right: var(--content-gutter);
  bottom: var(--space-lg);
  color: var(--color-offwhite);
  writing-mode: vertical-rl;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.scroll-hint .line { width: 1px; height: 48px; background: rgba(245,243,239,0.5); position: relative; overflow: hidden; }
.scroll-hint .line::after { content:""; position:absolute; top:-100%; left:0; width:100%; height:100%; background: var(--color-offwhite); animation: scrollline 2.2s var(--ease-editorial) infinite; }
@keyframes scrollline { to { top: 100%; } }
@media (prefers-reduced-motion: reduce) { .scroll-hint .line::after { animation: none; top: 30%; } }

@media (max-width: 640px) {
  .scroll-hint { display: none; }
  .hero { align-items: flex-end; padding-bottom: var(--space-lg); }
}

/* -------------------- Trust / Intro -------------------- */
.trust-statement {
  max-width: var(--container-narrow);
}
.trust-statement p { font-family: var(--font-display); font-size: clamp(1.4rem, 2.6vw, 2rem); line-height: 1.4; color: var(--text-primary); font-style: italic; }
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}
.stat-item .stat-value { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.6rem); color: var(--color-accent); display:block; }
.stat-item .stat-label { font-size: var(--fs-small); color: var(--text-muted); margin-top: var(--space-3xs); }
@media (max-width: 900px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}

/* -------------------- Section headers -------------------- */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}
.section-head h2 { max-width: 640px; }
.section-head p.lead { max-width: 420px; margin-top: var(--space-xs); }

/* -------------------- Project showcase -------------------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
}
.project-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  display: block;
  background: var(--color-anthracite);
}
.project-card .img-wrap { position: relative; overflow: hidden; aspect-ratio: 4/5; }
.project-card:nth-child(1) { grid-column: span 7; }
.project-card:nth-child(1) .img-wrap { aspect-ratio: 16/10; }
.project-card:nth-child(2) { grid-column: span 5; }
.project-card:nth-child(3) { grid-column: span 5; }
.project-card:nth-child(4) { grid-column: span 7; }
.project-card:nth-child(4) .img-wrap { aspect-ratio: 16/10; }

.project-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 900ms var(--ease-editorial);
}
.project-card:hover img { transform: scale(1.06); }
.project-card .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,13,13,0) 40%, rgba(13,13,13,0.75) 100%);
  opacity: 0.75;
  transition: opacity var(--dur-fast) var(--ease-editorial);
}
.project-card:hover .overlay { opacity: 0.9; }
.project-card .card-info {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: var(--space-md);
  color: var(--color-offwhite);
  transform: translateY(8px);
  transition: transform var(--dur-med) var(--ease-editorial);
}
.project-card:hover .card-info { transform: translateY(0); }
.card-info .tag { font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-beige); }
.card-info h3 { font-size: clamp(1.2rem, 1.8vw, 1.7rem); margin-top: 0.35rem; }
.card-info .meta { font-size: var(--fs-small); color: rgba(245,243,239,0.75); margin-top: 0.35rem; }

@media (max-width: 900px) {
  .project-card, .project-card:nth-child(1), .project-card:nth-child(2), .project-card:nth-child(3), .project-card:nth-child(4) {
    grid-column: span 12;
  }
  .project-card .img-wrap { aspect-ratio: 4/3 !important; }
}

/* -------------------- Services -------------------- */
.services-list { display: flex; flex-direction: column; }
.service-row {
  display: grid;
  grid-template-columns: 90px 1fr 130px;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-top: 1px solid var(--border-subtle);
  transition: background var(--dur-fast) var(--ease-editorial);
}
.services-list a.service-row:hover { background: rgba(52,73,94,0.04); }
.services-list > *:last-child { border-bottom: 1px solid var(--border-subtle); }
.service-num { font-family: var(--font-display); font-size: 1.4rem; color: var(--color-concrete); }
.service-copy h3 { font-size: 1.35rem; margin-bottom: 0.4rem; }
.service-copy p { color: var(--text-muted); max-width: 620px; }
.service-arrow { justify-self: end; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border-dark); display: flex; align-items: center; justify-content: center; transition: background var(--dur-fast), border-color var(--dur-fast); }
.services-list a.service-row:hover .service-arrow { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-offwhite); }

@media (max-width: 720px) {
  .service-row { grid-template-columns: 50px 1fr; }
  .service-arrow { display: none; }
}

/* -------------------- Process / Arbeitsweise -------------------- */
.process-list { counter-reset: process; }
.process-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  opacity: 0.35;
  transition: opacity var(--dur-med) var(--ease-editorial);
}
.process-item.is-active,
.process-item:hover,
.process-item:focus-within { opacity: 1; }
.process-list > *:last-child { border-bottom: 1px solid var(--border-subtle); }
.process-num { font-family: var(--font-display); font-size: clamp(2.4rem, 4vw, 3.6rem); color: var(--color-accent); }
.process-copy h3 { margin-bottom: var(--space-2xs); }
.process-copy p { max-width: 640px; color: var(--text-muted); }
@media (max-width: 720px) {
  .process-item { grid-template-columns: 1fr; gap: var(--space-xs); }
}

/* -------------------- Positioning / quote -------------------- */
.position-quote {
  max-width: 900px;
}
.position-quote p { font-family: var(--font-display); font-size: clamp(1.7rem, 3.4vw, 2.8rem); line-height: 1.35; }
.benefit-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); margin-top: var(--space-xl); }
.benefit-card { padding-top: var(--space-md); border-top: 1px solid rgba(245,243,239,0.25); }
.benefit-card .benefit-num { font-family: var(--font-display); color: var(--color-beige); font-size: 1.1rem; }
.benefit-card h3 { font-size: 1.2rem; margin-block: var(--space-2xs); color: var(--color-offwhite); }
.benefit-card p { color: rgba(245,243,239,0.7); }
@media (max-width: 900px) { .benefit-row { grid-template-columns: 1fr; } }

/* -------------------- About teaser -------------------- */
.about-teaser { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: var(--space-xl); align-items: center; }
.about-teaser .img-wrap { aspect-ratio: 4/5; overflow: hidden; border-radius: var(--radius-sm); }
.about-teaser .img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.about-teaser blockquote { font-family: var(--font-display); font-size: clamp(1.3rem, 2vw, 1.8rem); font-style: italic; line-height: 1.45; margin-bottom: var(--space-md); }
.about-teaser .signee { display: flex; align-items: center; gap: var(--space-sm); margin-bottom: var(--space-md); }
.about-teaser .signee strong { display: block; font-family: var(--font-display); font-size: 1.1rem; font-weight: 500; }
.about-teaser .signee span { font-size: var(--fs-small); color: var(--text-muted); }
@media (max-width: 900px) { .about-teaser { grid-template-columns: 1fr; } }

/* -------------------- CTA band -------------------- */
.cta-band { text-align: left; }
.cta-band h2 { max-width: 780px; }
.cta-band p.lead { max-width: 620px; margin-top: var(--space-sm); }
.cta-band .hero-actions { margin-top: var(--space-lg); }
.contact-strip {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(245,243,239,0.2);
  flex-wrap: wrap;
}
.contact-strip div span { display: block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(245,243,239,0.5); margin-bottom: 4px; }
.contact-strip div a, .contact-strip div p { font-size: 1.05rem; color: var(--color-offwhite); margin: 0; }

/* -------------------- Footer -------------------- */
.site-footer { background: var(--color-black); color: rgba(245,243,239,0.7); padding-block: var(--space-xl) var(--space-md); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-lg); padding-bottom: var(--space-lg); border-bottom: 1px solid rgba(245,243,239,0.12); }
.footer-brand .brand { color: var(--color-offwhite); }
.footer-brand p { margin-top: var(--space-sm); max-width: 320px; color: rgba(245,243,239,0.55); font-size: var(--fs-small); }
.footer-col h4 { color: var(--color-offwhite); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--space-sm); }
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a:hover { color: var(--color-offwhite); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: var(--space-md); font-size: 0.82rem; flex-wrap: wrap; gap: var(--space-sm); }
.footer-bottom ul { display: flex; gap: var(--space-md); }
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* -------------------- Sticky mobile CTA -------------------- */
.sticky-mobile-cta {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 400;
  display: none;
  background: var(--color-anthracite);
  padding: 0.75rem var(--content-gutter);
  padding-bottom: calc(0.75rem + env(safe-area-inset-bottom));
  gap: 0.75rem;
}
.sticky-mobile-cta a { flex: 1; justify-content: center; }
@media (max-width: 720px) { .sticky-mobile-cta { display: flex; } body { padding-bottom: 76px; } }

/* -------------------- Reveal animation -------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-editorial), transform var(--dur-slow) var(--ease-editorial);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* -------------------- Page hero (interior pages) -------------------- */
.page-hero {
  padding-top: calc(var(--header-h) + var(--space-xl));
  padding-bottom: var(--space-lg);
}
.page-hero h1 { max-width: 900px; margin-top: var(--space-sm); }
.page-hero p.lead { max-width: 620px; margin-top: var(--space-md); }
.breadcrumbs { display: flex; gap: 0.5rem; font-size: var(--fs-small); color: var(--text-muted); margin-bottom: var(--space-sm); flex-wrap: wrap; }
.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs [aria-current="page"] { color: var(--text-primary); }

/* -------------------- Filters (Projekte) -------------------- */
.filter-bar {
  display: flex;
  gap: var(--space-md);
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
}
.filter-group { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.filter-chip {
  padding: 0.55rem 1.1rem;
  font-size: 0.85rem;
  border: 1px solid var(--border-dark);
  border-radius: 999px;
  transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}
.filter-chip[aria-pressed="true"] { background: var(--color-anthracite); color: var(--color-offwhite); border-color: var(--color-anthracite); }
.filter-chip:hover:not([aria-pressed="true"]) { border-color: var(--color-accent); color: var(--color-accent); }
.filter-select {
  padding: 0.55rem 1rem;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  background: var(--bg-page);
  font-size: 0.85rem;
}
.results-count { font-size: var(--fs-small); color: var(--text-muted); }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.portfolio-grid .project-card { grid-column: span 1; }
.portfolio-grid .project-card .img-wrap { aspect-ratio: 4/5; }
.portfolio-grid .project-card[data-hidden="true"] { display: none; }
@media (max-width: 980px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .portfolio-grid { grid-template-columns: 1fr; } }

.status-pill {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(245,243,239,0.15);
  color: var(--color-offwhite);
  margin-left: 0.5rem;
}

/* -------------------- Project detail -------------------- */
.detail-hero { position: relative; height: 78vh; min-height: 480px; margin-top: 0; }
.detail-hero img { width: 100%; height: 100%; object-fit: cover; }
.detail-hero .detail-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(13,13,13,0.7) 0%, rgba(13,13,13,0.05) 45%);
  display: flex; align-items: flex-end;
  padding: var(--space-lg) 0;
}
.detail-hero-overlay .container { color: var(--color-offwhite); }
.detail-hero-overlay .tag { color: var(--color-beige); }

.spec-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
}
.spec-item span { display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 0.35rem; }
.spec-item strong { font-family: var(--font-display); font-size: 1.15rem; font-weight: 500; }
@media (max-width: 900px) { .spec-grid { grid-template-columns: repeat(2, 1fr); } }

.detail-body { display: grid; grid-template-columns: 1fr 2fr; gap: var(--space-xl); padding-block: var(--space-xl); }
.detail-body .toc { position: sticky; top: calc(var(--header-h) + var(--space-md)); align-self: start; }
.detail-body .toc a { display: block; padding-block: 0.4rem; font-size: 0.88rem; color: var(--text-muted); border-left: 2px solid transparent; padding-left: 0.8rem; }
.detail-body .toc a:hover, .detail-body .toc a.is-active { border-left-color: var(--color-accent); color: var(--text-primary); }
.detail-content h2 { margin-top: var(--space-lg); margin-bottom: var(--space-sm); }
.detail-content h2:first-child { margin-top: 0; }
.detail-content p { color: var(--text-muted); max-width: 68ch; }
.detail-content p + p { margin-top: var(--space-sm); }
@media (max-width: 900px) { .detail-body { grid-template-columns: 1fr; } .detail-body .toc { display: none; } }

.gallery-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-sm); margin-top: var(--space-md); }
.gallery-grid img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-sm); }
.gallery-grid .g-wide { grid-column: span 4; aspect-ratio: 16/9; }
.gallery-grid .g-narrow { grid-column: span 2; aspect-ratio: 3/4; }
@media (max-width: 720px) { .gallery-grid { grid-template-columns: 1fr; } .gallery-grid .g-wide, .gallery-grid .g-narrow { grid-column: span 1; aspect-ratio: 4/3; } }

.tag-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: var(--space-sm); }
.tag-pill { font-size: 0.8rem; padding: 0.4rem 0.9rem; border: 1px solid var(--border-subtle); border-radius: 999px; color: var(--text-muted); }

/* -------------------- Services page detail -------------------- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  padding-block: var(--space-xl);
  border-bottom: 1px solid var(--border-subtle);
}
.service-detail:nth-child(even) { direction: rtl; }
.service-detail:nth-child(even) > * { direction: ltr; }
.service-detail .img-wrap { aspect-ratio: 4/3; overflow: hidden; border-radius: var(--radius-sm); }
.service-detail .img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.service-detail ul.check-list { margin-top: var(--space-md); display: flex; flex-direction: column; gap: 0.6rem; }
.service-detail ul.check-list li { display: flex; gap: 0.7rem; align-items: flex-start; font-size: 0.95rem; color: var(--text-muted); }
.service-detail ul.check-list li svg { flex-shrink: 0; margin-top: 3px; color: var(--color-accent); }
.service-detail .btn { margin-top: var(--space-md); }
@media (max-width: 900px) {
  .service-detail, .service-detail:nth-child(even) { grid-template-columns: 1fr; direction: ltr; }
}

/* -------------------- About page -------------------- */
.timeline { display: flex; flex-direction: column; }
.timeline-item { display: grid; grid-template-columns: 100px 1fr; gap: var(--space-md); padding-block: var(--space-sm); border-top: 1px solid var(--border-subtle); }
.timeline-item .year { font-family: var(--font-display); color: var(--color-accent); }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.team-card .img-wrap { aspect-ratio: 3/4; overflow: hidden; border-radius: var(--radius-sm); margin-bottom: var(--space-xs); background: var(--color-sand); }
.team-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.team-card h3 { font-size: 1.05rem; }
.team-card span { font-size: var(--fs-small); color: var(--text-muted); }
@media (max-width: 900px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }

.values-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-sm); }
.value-chip { padding: var(--space-sm); border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); text-align: center; font-size: 0.9rem; font-weight: 600; }
@media (max-width: 900px) { .values-grid { grid-template-columns: repeat(2, 1fr); } }

/* -------------------- Forms -------------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.form-field { display: flex; flex-direction: column; gap: 0.45rem; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 0.85rem; font-weight: 600; }
.form-field .optional { font-weight: 400; color: var(--text-muted); font-size: 0.78rem; }
.form-field input, .form-field select, .form-field textarea {
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  background: var(--bg-page);
  font-size: 0.95rem;
  transition: border-color var(--dur-fast);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--color-accent); }
.form-field textarea { min-height: 130px; resize: vertical; }
.form-field .error-msg { font-size: 0.8rem; color: #A6402C; display: none; }
.form-field.has-error input, .form-field.has-error select, .form-field.has-error textarea { border-color: #A6402C; }
.form-field.has-error .error-msg { display: block; }
.radio-group { display: flex; gap: var(--space-md); flex-wrap: wrap; }
.radio-option { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; }
.checkbox-field { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.85rem; color: var(--text-muted); }
.checkbox-field input { margin-top: 3px; }
.form-note { font-size: 0.8rem; color: var(--text-muted); margin-top: var(--space-2xs); }
.form-success {
  display: none;
  padding: var(--space-md);
  border: 1px solid var(--color-accent);
  background: var(--color-accent-dim);
  border-radius: var(--radius-sm);
  margin-top: var(--space-md);
}
.form-success.is-visible { display: block; }
@media (max-width: 720px) { .form-grid { grid-template-columns: 1fr; } }

.contact-page-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: var(--space-xl); align-items: start; }
.contact-info-card { background: var(--color-anthracite); color: var(--color-offwhite); padding: var(--space-lg); border-radius: var(--radius-sm); position: sticky; top: calc(var(--header-h) + var(--space-md)); }
.contact-info-card h3 { color: var(--color-offwhite); margin-bottom: var(--space-md); }
.contact-info-card .item { padding-block: var(--space-sm); border-top: 1px solid rgba(245,243,239,0.15); }
.contact-info-card .item span { display:block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(245,243,239,0.5); margin-bottom: 4px; }
.contact-info-card .item a, .contact-info-card .item p { color: var(--color-offwhite); margin: 0; }
.map-placeholder { margin-top: var(--space-md); aspect-ratio: 4/3; border-radius: var(--radius-sm); background: repeating-linear-gradient(45deg, #262626, #262626 10px, #202020 10px, #202020 20px); display: flex; align-items: center; justify-content: center; color: rgba(245,243,239,0.5); font-size: 0.8rem; text-align: center; padding: var(--space-md); }
@media (max-width: 900px) { .contact-page-grid { grid-template-columns: 1fr; } .contact-info-card { position: static; } }

/* -------------------- Legal pages -------------------- */
.legal-content h2 { margin-top: var(--space-lg); margin-bottom: var(--space-sm); }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li { color: var(--text-muted); }
.legal-content li { margin-bottom: 0.4rem; }
.legal-content ul { list-style: disc; padding-left: 1.3rem; margin-top: 0.5rem; }
.legal-note {
  background: var(--color-accent-dim);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* -------------------- FAQ (optional) -------------------- */
.faq-item { border-top: 1px solid var(--border-subtle); }
.faq-item:last-child { border-bottom: 1px solid var(--border-subtle); }
.faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; padding-block: var(--space-sm); text-align: left; font-family: var(--font-display); font-size: 1.15rem; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--dur-med) var(--ease-editorial); }
.faq-answer p { padding-bottom: var(--space-sm); color: var(--text-muted); max-width: 68ch; }
.faq-item.is-open .faq-answer { max-height: 400px; }
.faq-icon { transition: transform var(--dur-fast); }
.faq-item.is-open .faq-icon { transform: rotate(45deg); }

/* -------------------- Utility -------------------- */
.mt-0 { margin-top: 0 !important; }
.text-center { text-align: center; }
.max-w-narrow { max-width: var(--container-narrow); }