/* ============================================================
   Felix Bulka – Freier Architekt Stuttgart
   Stylesheet: Minimalistisch, elegant, bildlastig
   ============================================================ */

/* ------------------------------------------------------------
   Schriften – selbst gehostet (DSGVO-konform, kein externer Call).
   Genutzte Schnitte: Inter 400/500/600, Playfair Display 400 + Italic.
   ------------------------------------------------------------ */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../../public/fonts/inter-regular.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../../public/fonts/inter-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../../public/fonts/inter-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../../public/fonts/playfair-display-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Playfair Display';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../../public/fonts/playfair-display-italic.woff2') format('woff2');
}


/* --- Reset & Basis --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-white:      #ffffff;
  --color-off-white:  #f8f7f5;
  --color-light-gray: #e8e6e1;
  --color-mid-gray:   #6a6a6a;   /* AA-Kontrast auf hellem Grund (war #999) */
  --color-dark-gray:  #3a3a3a;
  --color-black:      #1a1a1a;
  --color-accent:     #7a2020;   /* gedämpftes Dunkelrot */

  --font-sans:   'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-serif:  'Playfair Display', Georgia, 'Times New Roman', serif;

  /* --- Schrift-Skala (Type Scale) -----------------------------
     Gewichte */
  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;

  /* Größen – feste Stufen (Basis 16px) */
  --fs-2xs:  0.6875rem;  /* 11px – Mikro-Labels: Eyebrows, Nummern, Captions */
  --fs-xs:   0.75rem;    /* 12px – kleine UI: Navigation, Buttons, Tags */
  --fs-sm:   0.875rem;   /* 14px – Sekundärtext: Leistungen, Formular, Listen */
  --fs-md:   0.9375rem;  /* 15px – UI-Betonung: Logo, Kontaktangaben */
  --fs-base: 1.0625rem;  /* 17px – Fließtext */
  --fs-lg:   1.25rem;    /* 20px – kleine Serif-Überschriften */

  /* Größen – fluide Überschriften */
  --fs-h3:      clamp(1.125rem, 2vw, 1.625rem);  /* 18–26px – Projektkachel-Titel */
  --fs-quote:   clamp(1.375rem, 2.5vw, 2rem);    /* 22–32px – Kontakt-Intro, Feature-Kachel */
  --fs-h2:      clamp(1.75rem, 3.5vw, 2.75rem);  /* 28–44px – Section-Titel */
  --fs-detail:  clamp(2.25rem, 5vw, 4rem);       /* 36–64px – Projekt-Detail-Titel */
  --fs-display: clamp(3.25rem, 7vw, 6rem);       /* 52–96px – Hero-Name */

  --header-height: 72px;
  --max-width: 1440px;
  --content-width: 1200px;

  --transition-fast:   0.2s ease;
  --transition-medium: 0.4s ease;
  --transition-slow:   0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Eine ruhige Reveal-Kadenz für ALLE Scroll-Einblendungen (Sektionen + Karten) */
  --rv-dist:    12px;
  --rv-dur:     0.6s;
  --rv-ease:    cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --rv-stagger: 60ms;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-black);
  background: var(--color-off-white);
  line-height: 1.6;
  overflow-x: hidden;
  /* Mikrotypografie: Kerning, Ligaturen, kontextuelle Alternativen */
  font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Bilder mit WebP-Fallback stecken in <picture>. display:contents nimmt das
   picture-Element komplett aus dem Layout → das <img> verhält sich exakt wie
   ein direktes Kind (alle bestehenden Bild-Regeln greifen unverändert). */
picture {
  display: contents;
}

a {
  color: inherit;
  text-decoration: none;
}


/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 40px;
  transition: background var(--transition-medium), box-shadow var(--transition-medium);
}

.site-header.transparent {
  /* Scrim, damit der weiße Header-Text auch über hellen Bildpartien
     lesbar bleibt (WCAG 1.4.3) */
  background: linear-gradient(to bottom, rgba(10,10,10,0.6) 0%, rgba(10,10,10,0.15) 100%);
}

.site-header.transparent .nav-logo,
.site-header.transparent .nav-links a {
  text-shadow: 0 1px 3px rgba(0,0,0,0.55);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 1px 0 var(--color-light-gray);
}

.site-header.scrolled .nav-logo,
.site-header.scrolled .nav-links a {
  color: var(--color-black);
}

.site-header.scrolled .nav-hamburger span {
  background: var(--color-black);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav-logo {
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-white);
  transition: color var(--transition-fast);
}

.nav-logo span {
  font-weight: var(--fw-regular);
  opacity: 0.75;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 48px;
}

.nav-links a {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-white);
}

.site-header.scrolled .nav-links a {
  color: var(--color-dark-gray);
}

.site-header.scrolled .nav-links a:hover {
  color: var(--color-black);
}

/* Hamburger mobile */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-white);
  transition: transform var(--transition-medium), opacity var(--transition-fast);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav drawer */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--color-white);
  padding: calc(var(--header-height) + 48px) 40px 48px;
  flex-direction: column;
  gap: 0;
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a {
  font-size: var(--fs-h3);
  font-weight: var(--fw-regular);
  letter-spacing: 0.02em;
  color: var(--color-black);
  border-bottom: 1px solid var(--color-light-gray);
  padding: 24px 0;
  transition: color var(--transition-fast);
}

.nav-mobile a:hover {
  color: var(--color-accent);
}


/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;   /* Fallback für ältere Browser */
  /* svh = sichtbare Viewport-Höhe MIT eingeblendeter mobiler Browser-Leiste –
     der unten ausgerichtete Hero-Text wird nicht mehr von ihr überdeckt.
     (bewusst svh statt dvh: dvh würde den Hero beim Ein-/Ausblenden der
     Leiste ruckartig mitskalieren) */
  height: 100svh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-color: var(--color-dark-gray);
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transform: scale(1.03);
  transition: transform 8s ease;
}

.hero:hover .hero-bg img {
  transform: scale(1.0);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(15, 15, 15, 0.75) 0%,
    rgba(15, 15, 15, 0.2) 50%,
    rgba(15, 15, 15, 0.05) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px 80px;
}

.hero-eyebrow {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  margin-bottom: 16px;
}

.hero-name {
  font-family: var(--font-serif);
  font-size: var(--fs-display);
  font-weight: var(--fw-regular);
  line-height: 1;
  color: var(--color-white);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: var(--fs-md);
  font-weight: var(--fw-regular);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  right: 40px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.55);
  font-size: var(--fs-2xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.hero-scroll:hover {
  color: rgba(255,255,255,0.9);
}

.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: currentColor;
  animation: scrollPulse 2.5s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  40%  { opacity: 1; transform: scaleY(1); transform-origin: top; }
  80%  { opacity: 0; transform: scaleY(1); transform-origin: bottom; }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}


/* ============================================================
   HERO-INTRO "REISSBRETT" – Denken → Planen → Konstruieren → Aufbauen
   Ohne .intro-run sind alle Dekor-Layer unsichtbar → ohne JS / nach Skip /
   bei reduced-motion sofort der statische Hero (fail-safe). Es wird nur
   transform / opacity / stroke-dashoffset / clip-path animiert (kein Reflow).
   ============================================================ */
.hero-content { z-index: 5; }
.hero-scroll  { z-index: 5; }

.hero-cover {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: var(--color-black);
  opacity: 0;
  pointer-events: none;
}

.hero-draw {
  position: absolute;
  inset: 0;
  z-index: 3;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
}
.hero-draw line,
.hero-draw path { vector-effect: non-scaling-stroke; }

/* Phasen-Label liegt im selben Wrapper wie die Eyebrow → exakt deckungsgleich, kein Mathe-Versatz */
.hero-eyebrow-wrap { position: relative; }
.hero-phases {
  position: absolute;
  left: 0;
  bottom: 0;
  opacity: 0;
  pointer-events: none;
}
.hero-phases > span {
  position: absolute;
  left: 0;
  bottom: 0;
  white-space: nowrap;
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  opacity: 0;
}

.hero-name-inner { display: inline-block; }

/* ---------- aktiver Lauf ---------- */
.hero.intro-run {
  --t1: 0s;     /* DENKEN */
  --t2: 0.9s;   /* PLANEN */
  --t3: 1.8s;   /* KONSTRUIEREN */
  --t4: 2.7s;   /* AUFBAUEN */
}

.hero.intro-run .hero-cover {
  opacity: 1;
  will-change: opacity;
  animation: hero-cover-out 0.7s ease forwards;
  animation-delay: var(--t4);
}
@keyframes hero-cover-out { to { opacity: 0; } }

.hero.intro-run .hero-draw {
  opacity: 1;
  will-change: opacity;
  animation: hero-draw-out 0.7s ease forwards;
  animation-delay: var(--t4);
}
@keyframes hero-draw-out { to { opacity: 0; } }

/* Zeichen-Mechanik NUR auf den zeichnenden Gruppen – das Raster ist bewusst ausgenommen */
.hero.intro-run .g-sketch path,
.hero.intro-run .g-plan path,
.hero.intro-run .g-depth path,
.hero.intro-run .g-dims > line,
.hero.intro-run .g-dims > path {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

/* PHASE 1 – DENKEN: Skizzenstriche zeichnen, gestaffelt */
.hero.intro-run .g-sketch path {
  animation: hero-line-draw 0.45s ease forwards;
  animation-delay: calc(var(--t1) + var(--i, 0) * 0.045s);
}
.hero.intro-run .g-sketch {
  animation: hero-fade-out 0.3s ease forwards;
  animation-delay: var(--t2);
}

/* PHASE 2 – PLANEN: Plan-Linien zeichnen, Raster skaliert auf, Bemaßung */
.hero.intro-run .g-plan path {
  animation: hero-line-draw 0.6s ease forwards;
  animation-delay: calc(var(--t2) + var(--i, 0) * 0.03s);
}
.hero.intro-run .g-grid {
  transform: scale(0.6);
  /* Ursprung = Zentrum des vermessenen Rasters (Eckachse x≈1009, Horizont y≈868) */
  transform-origin: 950px 740px;
  opacity: 0;
  animation: hero-grid-in 0.7s ease forwards, hero-grid-dim 0.5s ease forwards;
  animation-delay: var(--t2), var(--t3);
}
@keyframes hero-grid-in  { to { transform: scale(1); opacity: 0.12; } }
@keyframes hero-grid-dim { to { opacity: 0.04; } }
.hero.intro-run .g-dims > line,
.hero.intro-run .g-dims > path {
  animation: hero-line-draw 0.55s ease forwards;
  animation-delay: calc(var(--t2) + 0.2s + var(--i, 0) * 0.05s);
}
.hero.intro-run .g-dims text {
  opacity: 0;
  animation: hero-fade-in 0.4s ease forwards;
  animation-delay: calc(var(--t2) + 0.6s);
}
.hero.intro-run .g-dims {
  animation: hero-dims-dim 0.5s ease forwards;
  animation-delay: var(--t3);
}
@keyframes hero-dims-dim { to { opacity: 0.06; } }

/* PHASE 3 – KONSTRUIEREN: Tiefenkanten (Dachattika/Gesims als Solid) zeichnen sich ein.
   Keine Scherung mehr – das Hero-Bild ist bereits perspektivisch, jede Linie bleibt exakt
   auf dem realen Gebäude registriert (und kein WebKit-skew-Risiko). */
.hero.intro-run .g-depth path {
  animation: hero-line-draw 0.6s ease forwards;
  animation-delay: calc(var(--t3) + var(--i, 0) * 0.04s);
}

/* Phasen-Label: jede Phase blendet im eigenen Zeitfenster ein und wieder aus */
.hero.intro-run .hero-phases { opacity: 1; }
.hero.intro-run .hero-phases > span[data-phase="1"] { animation: hero-label 1.2s ease forwards; animation-delay: var(--t1); }
.hero.intro-run .hero-phases > span[data-phase="2"] { animation: hero-label 1.2s ease forwards; animation-delay: var(--t2); }
.hero.intro-run .hero-phases > span[data-phase="3"] { animation: hero-label 1.1s ease forwards; animation-delay: var(--t3); }
.hero.intro-run .hero-phases > span[data-phase="4"] { animation: hero-label-out 0.9s ease forwards; animation-delay: var(--t4); }
@keyframes hero-label     { 0% { opacity: 0; transform: translateY(6px); } 20%, 70% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(-6px); } }
@keyframes hero-label-out { 0% { opacity: 0; transform: translateY(6px); } 45% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; } }

/* PHASE 4 – AUFBAUEN: Inhalt enthüllen (Name steigt mit dem Cover-Fade auf) */
.hero.intro-run .hero-eyebrow,
.hero.intro-run .hero-subtitle { opacity: 0; }
.hero.intro-run .hero-name-inner {
  clip-path: inset(0 0 100% 0);
  transform: translateY(14px);
  opacity: 0;
  will-change: clip-path, transform, opacity;
  animation: hero-name-reveal 0.75s cubic-bezier(.4, 0, .2, 1) forwards;
  animation-delay: var(--t4);
}
@keyframes hero-name-reveal { to { clip-path: inset(0 0 0 0); transform: translateY(0); opacity: 1; } }
/* Eyebrow erst NACH dem Phasen-Label: "04 — Aufbauen" blendet bis t4+0.9s aus
   (hero-label-out), die Eyebrow erscheint an derselben Stelle – mit bewusster
   Atempause dazwischen statt Überlappung. */
.hero.intro-run .hero-eyebrow  { animation: hero-fade-in 0.5s ease forwards; animation-delay: calc(var(--t4) + 1s); }
.hero.intro-run .hero-subtitle { animation: hero-fade-in 0.5s ease forwards; animation-delay: calc(var(--t4) + 1.15s); }

@keyframes hero-line-draw { to { stroke-dashoffset: 0; } }
@keyframes hero-fade-in   { from { opacity: 0; } to { opacity: 1; } }
@keyframes hero-fade-out  { to { opacity: 0; } }

/* ---------- SKIP: sofort in den Endzustand (kurzer Cover-Crossfade) ---------- */
.hero.intro-skip .hero-cover,
.hero.intro-skip .hero-draw,
.hero.intro-skip .hero-phases,
.hero.intro-skip .hero-phases > span,
.hero.intro-skip .g-sketch,
.hero.intro-skip .g-plan,
.hero.intro-skip .g-depth,
.hero.intro-skip .g-grid,
.hero.intro-skip .g-dims,
.hero.intro-skip .g-dims > line,
.hero.intro-skip .g-dims > path,
.hero.intro-skip .g-sketch path,
.hero.intro-skip .g-plan path,
.hero.intro-skip .g-depth path,
.hero.intro-skip .hero-eyebrow,
.hero.intro-skip .hero-subtitle,
.hero.intro-skip .hero-name-inner {
  animation: none !important;
}
.hero.intro-skip .hero-cover { opacity: 0; transition: opacity 0.18s ease; }
.hero.intro-skip .hero-draw,
.hero.intro-skip .hero-phases { opacity: 0; }
.hero.intro-skip .hero-eyebrow,
.hero.intro-skip .hero-subtitle { opacity: 1; }
.hero.intro-skip .hero-name-inner { clip-path: none; transform: none; opacity: 1; }

/* Mobile: kürzer und ruhiger */
@media (max-width: 768px) {
  .hero.intro-run { --t1: 0s; --t2: 0.7s; --t3: 1.4s; --t4: 2.1s; }
  .hero.intro-run .g-depth path { animation-duration: 0.45s; }
}


/* ============================================================
   ALLGEMEINE SECTION-STILE
   ============================================================ */
section {
  width: 100%;
}

.section-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 40px;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 64px;
}

.section-number {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.15em;
  color: var(--color-accent);
  text-transform: uppercase;
  flex-shrink: 0;
}

.section-title {
  font-family: var(--font-serif);
  font-size: var(--fs-h2);
  font-weight: var(--fw-regular);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--color-black);
}

.section-divider {
  flex: 1;
  height: 1px;
  background: var(--color-light-gray);
  margin-left: 8px;
  align-self: center;
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(var(--rv-dist));
  transition: opacity var(--rv-dur) var(--rv-ease), transform var(--rv-dur) var(--rv-ease);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* Projektkarten: gestaffelte Reveal-Verzögerung über --i (in main.js gesetzt) */
.projects-grid .project-card.fade-in { transition-delay: calc(var(--i, 0) * var(--rv-stagger)); }


/* ============================================================
   ÜBER MICH SECTION
   ============================================================ */
#ueber-mich {
  padding: 120px 0;
  background: var(--color-off-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  align-items: start;
}

.about-portrait-wrap {
  position: sticky;
  top: calc(var(--header-height) + 32px);
}

.about-portrait {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top center;
  filter: grayscale(15%);
}

.about-portrait-caption {
  margin-top: 16px;
  font-size: var(--fs-2xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
}

.about-text p {
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: 1.8;
  color: var(--color-dark-gray);
  margin-bottom: 24px;
}

/* Mikrotypografie im Fließtext: ruhigere Umbrüche + optischer Randausgleich.
   text-wrap:pretty (Chromium/FF) und hanging-punctuation (Safari) sind rein additiv. */
.about-text p,
.project-description p,
.doc-text p,
.contact-intro {
  text-wrap: pretty;
  hanging-punctuation: first last;
}

.about-text p:last-of-type {
  margin-bottom: 48px;
}

/* Solo-Variante: Porträt im Markup auskommentiert → eine Spalte statt 1fr/2fr */
.about-grid--solo {
  grid-template-columns: 1fr;
}

/* Ohne Porträt würden die Intro-Absätze über die volle Breite laufen (Zeilen viel
   zu lang) → die drei Absätze als Magazin-Blöcke nebeneinander, mit feiner
   Trennlinie (analog zum Projekt-Lead). Skills-Reihe + Kontakt-Link volle Breite. */
@media (min-width: 1025px) {
  .about-grid--solo .about-text {
    display: grid;
    /* gleiche Textbreite in allen drei Blöcken; die Trennlinie sitzt mittig im Steg */
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 88px;
    align-items: start;
  }
  .about-grid--solo .about-text > p {
    position: relative;
  }
  .about-grid--solo .about-text > p:nth-of-type(2)::before,
  .about-grid--solo .about-text > p:nth-of-type(3)::before {
    content: "";
    position: absolute;
    left: -44px;            /* Mitte des 88px-Stegs */
    top: 0.2em;
    bottom: 0.2em;
    width: 1px;
    background: var(--color-light-gray);
  }
  .about-grid--solo .about-text > .about-meta,
  .about-grid--solo .about-text > .cv-link {
    grid-column: 1 / -1;
  }
  .about-grid--solo .about-text > .cv-link {
    justify-self: start;   /* Link-Klickfläche nicht auf volle Breite strecken */
  }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .about-grid--solo .about-text {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
    align-items: start;
  }
  .about-grid--solo .about-text > .about-meta,
  .about-grid--solo .about-text > .cv-link {
    grid-column: 1 / -1;
  }
  .about-grid--solo .about-text > .cv-link {
    justify-self: start;
  }
}

.about-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--color-light-gray);
}

.about-meta-block h3 {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.skills-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(108px, 1fr));
  gap: 10px;
}

/* Quadratische Card: großes Logo oben, Name darunter; einheitliche Breite via auto-fit */
.skill-tag {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  aspect-ratio: 1;
  font-size: var(--fs-xs);
  font-weight: var(--fw-regular);
  line-height: 1;
  letter-spacing: 0.05em;
  text-align: center;
  white-space: nowrap;
  color: var(--color-dark-gray);
  background: var(--color-off-white);
  border: 1px solid var(--color-light-gray);
  padding: 16px 10px;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.skill-tag:hover {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

/* Produktlogo je Tag – Inline-SVG, monochrom über fill: currentColor
   (folgt Tag-Farbe + Hover automatisch; robust ohne externen Ladevorgang, auch via file://).
   Logos: Simple Icons; Allplan = neutrales Platzhalter-Icon. */
.skill-tag-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  fill: currentColor;
}

.languages-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.languages-list li {
  font-size: var(--fs-sm);
  color: var(--color-dark-gray);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-light-gray);
}

.lang-level {
  font-size: var(--fs-2xs);
  color: var(--color-mid-gray);
  letter-spacing: 0.05em;
}

.cv-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-black);
  border-bottom: 1px solid var(--color-black);
  padding-bottom: 2px;
  margin-top: 48px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.cv-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.cv-link svg {
  transition: transform var(--transition-fast);
}

.cv-link:hover svg {
  transform: translateX(4px);
}


/* ============================================================
   PROJEKTE SECTION
   ============================================================ */
#projekte {
  padding: 120px 0;
  background: var(--color-off-white);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2px;
}

/* Großes Featured-Projekt oben */
.project-card:nth-child(1) {
  grid-column: span 8;
}
.project-card:nth-child(2) {
  grid-column: span 4;
}
.project-card:nth-child(3) {
  grid-column: span 4;
}
.project-card:nth-child(4) {
  grid-column: span 8;
}
.project-card:nth-child(5) {
  grid-column: span 6;
}
.project-card:nth-child(6) {
  grid-column: span 6;
}

.project-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  display: block;
  background: var(--color-dark-gray);
}

/* Seitenverhältnis liegt auf der KARTE (::before-Platzhalter), nicht auf dem Bild:
   wird eine schmale Karte von der höheren Nachbarkarte auf Zeilenhöhe gestreckt,
   füllt das absolut positionierte Bild die volle Karte (cover) statt einen
   dunklen Leerstreifen zu hinterlassen. */
.project-card::before {
  content: "";
  display: block;
  padding-top: 62.5%; /* 16:10 */
}

.project-card:nth-child(1)::before,
.project-card:nth-child(4)::before {
  padding-top: 56.25%; /* 16:9 – große Karten geben die Zeilenhöhe vor */
}

.project-card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
  transition: transform 0.7s ease, opacity 0.4s ease;
  opacity: 0.92;
}

.project-card:hover .project-card-img,
.project-card:focus-within .project-card-img {
  transform: scale(1.0);
  opacity: 0.75;
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 10, 10, 0.85) 0%,
    rgba(10, 10, 10, 0.1) 55%,
    transparent 100%
  );
  transition: background var(--transition-medium);
}

.project-card:hover .project-card-overlay,
.project-card:focus-within .project-card-overlay {
  background: linear-gradient(
    to top,
    rgba(10, 10, 10, 0.9) 0%,
    rgba(10, 10, 10, 0.4) 55%,
    rgba(10, 10, 10, 0.1) 100%
  );
}

.project-card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px;
  transform: translateY(4px);
  transition: transform var(--transition-medium);
}

.project-card:hover .project-card-info,
.project-card:focus-within .project-card-info {
  transform: translateY(0);
}

.project-card-cat {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72);
  margin-bottom: 8px;
}

.project-card-title {
  font-family: var(--font-serif);
  font-size: var(--fs-h3);
  font-weight: var(--fw-regular);
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 6px;
}

.project-card:nth-child(1) .project-card-title,
.project-card:nth-child(4) .project-card-title {
  font-size: var(--fs-quote);
}

.project-card-sub {
  font-size: var(--fs-xs);
  font-weight: var(--fw-regular);
  color: rgba(255,255,255,0.72);
  letter-spacing: 0.05em;
}

.project-card-arrow {
  position: absolute;
  top: 28px;
  right: 28px;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.project-card:hover .project-card-arrow,
.project-card:focus-within .project-card-arrow {
  opacity: 1;
  transform: scale(1);
}

.project-card-arrow svg {
  color: white;
}


/* ============================================================
   LEISTUNGEN SECTION
   ============================================================ */
#leistungen {
  padding: 120px 0;
  background: var(--color-off-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-light-gray);
  border: 1px solid var(--color-light-gray);
}

.service-card {
  background: var(--color-white);
  padding: 48px 40px;
  transition: background var(--transition-medium);
}

.service-card:hover {
  background: var(--color-off-white);
}

.service-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 32px;
  color: var(--color-accent);
}

.service-number {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-light-gray);
  margin-bottom: 16px;
  display: block;
}

.service-title {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  font-weight: var(--fw-regular);
  color: var(--color-black);
  margin-bottom: 16px;
  line-height: 1.3;
}

.service-desc {
  font-size: var(--fs-sm);
  font-weight: var(--fw-regular);
  line-height: 1.7;
  color: var(--color-mid-gray);
}


/* ============================================================
   KONTAKT SECTION
   ============================================================ */
#kontakt {
  padding: 120px 0;
  background: var(--color-black);
}

#kontakt .section-number {
  color: rgba(255,255,255,0.6);
}

#kontakt .section-title {
  color: var(--color-white);
}

#kontakt .section-divider {
  background: rgba(255,255,255,0.1);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-intro {
  font-family: var(--font-serif);
  font-size: var(--fs-quote);
  font-weight: var(--fw-regular);
  line-height: 1.4;
  color: var(--color-white);
  margin-bottom: 48px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.contact-item:first-child {
  border-top: 1px solid rgba(255,255,255,0.08);
}

.contact-label {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}

.contact-value {
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.85);
  transition: color var(--transition-fast);
}

a.contact-value:hover {
  color: var(--color-white);
}

/* Kontaktformular */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.form-group {
  position: relative;
  margin-bottom: 2px;
}

.form-input,
.form-textarea {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  padding: 20px 0 14px 12px;
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: var(--fw-regular);
  color: var(--color-white);
  outline: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  resize: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.05em;
}

.form-input:focus,
.form-textarea:focus {
  border-bottom-color: var(--color-white);
  background: rgba(255,255,255,0.07);
}

.form-textarea {
  height: 120px;
  padding-top: 20px;
}

.form-submit {
  margin-top: 40px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--color-white);
  color: var(--color-black);
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: none;
  padding: 18px 40px;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), gap var(--transition-fast);
  align-self: flex-start;
}

.form-submit:hover {
  background: var(--color-accent);
  color: var(--color-white);
  gap: 20px;
}

.form-submit svg {
  flex-shrink: 0;
}

.form-success {
  display: none;
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.65);
  padding: 20px 0;
}

.form-success.shown {
  display: block;
}

/* Feld-genaue Fehlermeldung (WCAG 3.3.1 / 3.3.3) */
.form-error {
  margin-top: 8px;
  font-size: var(--fs-2xs);
  letter-spacing: 0.03em;
  color: #f3a6a6;            /* helles Rot, lesbar auf dunklem Grund */
}

.form-error:empty {
  display: none;
}

.form-input[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-bottom-color: #f3a6a6;
}


/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-black);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 32px 40px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.footer-links a {
  font-size: var(--fs-2xs);
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: rgba(255,255,255,0.7);
}


/* ============================================================
   PROJEKT-DETAILSEITEN
   ============================================================ */
.project-hero {
  width: 100%;
  height: 70vh;
  min-height: 480px;
  overflow: hidden;
  position: relative;
  background: var(--color-dark-gray);
}

.project-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.project-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0.25) 55%, transparent 100%);
}

.project-hero-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0 40px 56px;
  /* content-width: Hero-Text fluchtet mit dem Seiteninhalt darunter
     (ersetzt den früheren Inline-Style auf den 6 Projektseiten) */
  max-width: var(--content-width);
  margin: 0 auto;
}

.project-back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.78);
  margin-bottom: 24px;
  transition: color var(--transition-fast);
}

.project-back:hover {
  color: var(--color-white);
}

.project-detail-eyebrow {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72);
  margin-bottom: 12px;
}

.project-detail-title {
  font-family: var(--font-serif);
  font-size: var(--fs-detail);
  font-weight: var(--fw-regular);
  line-height: 1;
  color: var(--color-white);
  letter-spacing: -0.01em;
}

/* Projekt Inhalt */
.project-content {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 80px 40px;
}

.project-meta-bar {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 28px 32px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-light-gray);
  margin: 0 0 64px;            /* <dl>-Default-Margin zurücksetzen */
}

.project-meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.project-meta-label {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.project-meta-value {
  font-size: var(--fs-md);
  color: var(--color-dark-gray);
  /* nur an Leerzeichen umbrechen – ganze Wörter bleiben zusammen, keine Silbentrennung */
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
  /* Werkdaten als <dl>: dd-Default-Margin zurücksetzen + Tabellenziffern (Jahre fluchten) */
  margin: 0;
  font-variant-numeric: tabular-nums lining-nums;
}

/* Lead-Text im Magazin-Satz: zwei balancierte Spalten über die volle Breite,
   mit feiner Trennlinie */
.project-description {
  column-count: 2;
  column-gap: 48px;
  column-rule: 1px solid var(--color-light-gray);
}

.project-description p {
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: 1.8;
  color: var(--color-dark-gray);
  margin-bottom: 24px;
}
.project-description p:last-child {
  margin-bottom: 0;
}

/* Zeitungs-Initial (Drop Cap) auf dem ersten Buchstaben des Lead-Texts */
/* Zeitungs-Initial (Drop Cap) – bewusst per Float (rendert in allen Browsern
   identisch; initial-letter skaliert je Engine unterschiedlich). ~3 Zeilen hoch,
   per margin-top sauber eingesenkt: Oberkante auf Zeile 1, Grundlinie auf Zeile 3. */
.project-description > p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-serif);
  font-weight: var(--fw-regular);
  font-size: 6.4em;
  line-height: 0.62;
  margin: 0.06em 0.1em 0 0;
  color: var(--color-accent);
}

/* Bildergalerie */
/* Redaktionelle Pull-Quote: ruhige Zäsur zwischen Lead und Dokumentation –
   nur Größe + Weißraum + ein kurzer Akzentstrich (kein Kasten, keine Zierzeichen) */
.project-pullquote {
  max-width: 820px;
  margin: clamp(56px, 9vw, 84px) auto;
  font-family: var(--font-serif);
  font-weight: var(--fw-regular);
  font-size: clamp(1.45rem, 2.6vw, 2.05rem);
  line-height: 1.4;
  color: var(--color-black);
}
.project-pullquote::before {
  content: "";
  display: block;
  width: 48px;
  height: 2px;
  background: var(--color-accent);
  margin-bottom: 26px;
}

.project-gallery {
  margin-top: 80px;
}

.gallery-title {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 32px;
}

.gallery-img-wrap {
  overflow: hidden;
  cursor: zoom-in;
  background: var(--color-light-gray);
}

.gallery-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-img-wrap:hover img {
  transform: scale(1.03);
}

/* Dokumentations-Spread: Fließtext + zwei einzeln anwählbare Zeichnungen
   (ersetzt zusammengesetzte Grafiken mit eingebettetem Text) */
.doc-spread {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: start;
}

/* Luft zwischen aufeinanderfolgenden Dokumentations-Abschnitten
   (greift nur zwischen zwei Spreads – kein Rand vor dem ersten/nach dem letzten) */
.doc-spread + .doc-spread {
  margin-top: 96px;
}

.doc-title {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  font-weight: var(--fw-regular);
  line-height: 1.25;
  color: var(--color-black);
  margin-bottom: 20px;
}

.doc-text p {
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: 1.8;
  color: var(--color-dark-gray);
  margin-bottom: 18px;
}

/* Full-Bleed-Schlüsselbild: randabfallend über die volle Viewport-Breite,
   im Kontrast zum in --content-width gefassten Text. Bewusst max. 1–2 pro Seite. */
.full-bleed {
  width: 100vw;
  margin-left: calc(50% - 50vw);
}
.fullbleed-figure {
  margin-top: 96px;
  margin-bottom: 96px;
}
.fullbleed-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.fullbleed-figure figcaption {
  max-width: var(--content-width);
  margin: 14px auto 0;
  padding: 0 40px;
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
}
@media (max-width: 768px) {
  .fullbleed-figure { margin-top: 64px; margin-bottom: 64px; }
  .fullbleed-figure img { aspect-ratio: 4 / 3; }
  .fullbleed-figure figcaption { padding: 0 24px; }
}

/* Zeichnungen im natürlichen Seitenverhältnis (nicht beschneiden),
   weiterhin per Lightbox einzeln anwählbar */
.gallery-img-wrap.doc-img {
  background: var(--color-white);
}

.gallery-img-wrap.doc-img img {
  height: auto;
}

/* Karussell: mehrere Zeichnungen, einzeln per Lightbox anwählbar */
.carousel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.carousel-viewport {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
}

/* Variante für foto-lastige Karussells (Mischung Quer-/Hochformat) */
.carousel--photos .carousel-viewport {
  aspect-ratio: 4 / 3;
}

.carousel-track {
  display: flex;
  height: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  transition: transform var(--transition-medium);
}

.carousel-slide {
  flex: 0 0 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.carousel-slide .gallery-img-wrap {
  width: 100%;
  height: 100%;
}

.carousel-slide .gallery-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--color-light-gray);
  color: var(--color-black);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.carousel-btn:hover {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.carousel-prev { left: 12px; }
.carousel-next { right: 12px; }

.carousel-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* Einheitliche Benennung – Label-Typografie wie die übrigen Seitenlabels
   (Inter, Versalien, gesperrt) */
.carousel-caption {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
}

.carousel-dots {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.carousel-dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 1px solid var(--color-mid-gray);
  background: transparent;
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.carousel-dot.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

@media (max-width: 768px) {
  .doc-spread {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .doc-spread + .doc-spread {
    margin-top: 64px;
  }
  /* Lead-Text auf schmalen Viewports einspaltig (zweispaltig wäre zu eng) */
  .project-description {
    column-count: 1;
    column-rule: none;
  }
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(0,0,0,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}

/* Zeichnungen (SVG) liegen in der Lightbox auf einem hellen Blatt: die Strich-
   zeichnungen haben keinen eigenen Hintergrund – auf dem dunklen Lightbox-Grund
   wären die schwarzen Linien praktisch unsichtbar. Fotos/Renderings (opake
   Raster) bleiben unverändert randlos. */
.lightbox-img[src*=".svg"] {
  background: var(--color-white);
  padding: clamp(16px, 2.5vw, 36px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

/* Lightbox-Steuerung: frosted-dunkle Kreis-Buttons – klarer Kontrast auf JEDEM
   Bild (auch weißen Zeichnungen), ruhig und elegant. */
.lightbox-close,
.lightbox-nav {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  background: rgba(18, 18, 18, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.lightbox-close {
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-medium);
}

.lightbox-close:hover,
.lightbox-close:focus-visible {
  background: rgba(18, 18, 18, 0.85);
  border-color: rgba(255, 255, 255, 0.55);
  transform: scale(1.08);
}

.lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
}

.lightbox-nav:hover,
.lightbox-nav:focus-visible {
  background: rgba(18, 18, 18, 0.85);
  border-color: rgba(255, 255, 255, 0.55);
}

.lightbox-prev { left: 32px; }
.lightbox-next { right: 32px; }

/* Projekt Navigation (vor/zurück) */
.project-nav-bar {
  border-top: 1px solid var(--color-light-gray);
  margin-top: 80px;
  padding-top: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.project-nav-item {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background var(--transition-fast);
}

.project-nav-item:hover {
  background: var(--color-off-white);
}

.project-nav-item:last-child {
  border-left: 1px solid var(--color-light-gray);
  text-align: right;
  align-items: flex-end;
}

.project-nav-label {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
}

.project-nav-title {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  color: var(--color-black);
}


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects-grid .project-card:nth-child(n) {
    grid-column: span 6;
  }

  .projects-grid .project-card:nth-child(1) {
    grid-column: span 12;
  }

  /* Meta-Leiste: auf Tablet 3 Spalten (2 Reihen) statt 6 */
  .project-meta-bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .site-header {
    padding: 0 24px;
  }

  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .section-inner {
    padding: 0 24px;
  }

  #ueber-mich,
  #projekte,
  #leistungen {
    padding: 80px 0;
  }

  #kontakt {
    padding: 80px 0;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-portrait-wrap {
    position: static;
    max-width: 280px;
  }

  .about-meta {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .projects-grid .project-card:nth-child(n) {
    grid-column: span 1;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    padding: 36px 24px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .hero-content {
    padding: 0 24px 64px;
  }

  .hero-scroll {
    right: 24px;
    display: none;
  }

  .project-hero {
    height: 55vh;
  }

  .project-hero-content {
    padding: 0 24px 40px;
  }

  .project-content {
    padding: 48px 24px;
  }

  .project-meta-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 28px;
  }

  .project-nav-bar {
    grid-template-columns: 1fr;
  }

  .project-nav-item:last-child {
    border-left: none;
    border-top: 1px solid var(--color-light-gray);
    text-align: left;
    align-items: flex-start;
  }

  .lightbox-prev { left: 12px; }
  .lightbox-next { right: 12px; }

  .section-header {
    margin-bottom: 48px;
  }
}

@media (max-width: 480px) {
  .hero-name {
    font-size: clamp(2.25rem, 11vw, 3.25rem);
  }
}


/* ============================================================
   BARRIEREFREIHEIT (Accessibility)
   ============================================================ */

/* Skip-Link – springt mit Tastatur direkt zum Inhalt (WCAG 2.4.1) */
.skip-link {
  position: absolute;
  left: 16px;
  top: -72px;
  z-index: 2000;
  background: var(--color-black);
  color: var(--color-white);
  padding: 12px 20px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 16px;
}

/* Nur für Screenreader – visuell versteckt, aber vorlesbar */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Sichtbarer Tastatur-Fokus (WCAG 2.4.7) */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 1px;
}

/* Auf dunklen Flächen heller Fokus-Ring */
.site-header.transparent :focus-visible,
#kontakt :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--color-white);
}

.form-input:focus-visible,
.form-textarea:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: -2px;
}

/* Bewegung reduzieren, wenn vom System gewünscht (WCAG 2.3.3) */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .fade-in {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero-bg img {
    transform: none !important;
  }

  /* Hero-Intro: sofort der ruhige Endzustand (CSS-Doppelabsicherung zum JS-Guard) */
  .hero-cover,
  .hero-draw,
  .hero-phases { display: none !important; }
  .hero-eyebrow,
  .hero-subtitle { opacity: 1 !important; }
  .hero-name-inner { clip-path: none !important; transform: none !important; opacity: 1 !important; }
}


/* ============================================================
   LAYER-REVEAL "VOM STRICH ZUM BILD" – Entwurfsaufbau-Sequenz
   (Projektseite Forensikstation · Auftakt der Dokumentation)
   Pixelgenau registrierte Ebenen desselben Außenrenderings,
   absolut gestapelt: unten das fertige Bild, darüber Outlines
   (Inline-SVG), Schatten-Skizze (transparentes WebP), Personen
   (Inline-SVG) und ein dunkles Cover. Beim ersten Scroll-Eintritt
   (IntersectionObserver → .lr-run, initLayerReveal in main.js)
   läuft die Sequenz einmalig: Outlines zeichnen sich
   (stroke-dashoffset), Schatten und Personen faden ein, dann
   blendet das fertige Rendering auf. Ohne .lr-run (kein JS, nach
   Ablauf, reduced-motion) ist NUR das fertige Bild sichtbar –
   fail-safe wie beim Hero-Intro. Es wird ausschließlich
   opacity / stroke-dashoffset animiert (kein Reflow).
   ============================================================ */
.layer-reveal {
  margin: 0 0 96px;
}

.layer-reveal-stage {
  position: relative;
  /* Seitenverhältnis = gemeinsamer Ebenen-Beschnitt (Clip-Rechteck
     der Quelle, 728.5 × 481.99 Einheiten) – alle Ebenen teilen ihn */
  aspect-ratio: 2000 / 1323;
  overflow: hidden;
  background: var(--color-light-gray);
}

.layer-reveal-stage img,
.layer-reveal-stage svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Dunkles Reißbrett-Cover zwischen fertigem Bild und Zeichen-Ebenen */
.layer-reveal .lr-cover {
  position: absolute;
  inset: 0;
  background: var(--color-black);
  opacity: 0;
  pointer-events: none;
}

/* Dekor-Ebenen sind per Default unsichtbar → No-JS-/End-Fallback */
.layer-reveal .lr-layer {
  opacity: 0;
  pointer-events: none;
}

/* Caption im Versalien-Label-Stil (wie Full-Bleed-Figure) */
.layer-reveal figcaption {
  margin-top: 14px;
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
}

/* ---------- aktiver Lauf (Klasse setzt initLayerReveal) ---------- */
.layer-reveal.lr-run {
  --lr-t1: 0.35s;  /* Outlines zeichnen sich */
  --lr-t2: 2.35s;  /* Schatten & Vegetation */
  --lr-t3: 2.95s;  /* Personen */
  --lr-t4: 3.8s;   /* Reveal: fertiges Rendering */
}

.layer-reveal.lr-run .lr-cover {
  will-change: opacity;
  animation: lr-fade-in 0.35s var(--rv-ease) forwards,
             lr-fade-out 0.9s var(--rv-ease) forwards;
  animation-delay: 0s, var(--lr-t4);
}

.layer-reveal.lr-run .lr-outlines {
  opacity: 1; /* Striche erscheinen erst über den Draw der Pfade */
  will-change: opacity;
  animation: lr-fade-out 0.9s var(--rv-ease) forwards;
  animation-delay: var(--lr-t4);
}

/* Zeichen-Mechanik: pathLength="1" + --i setzt initLayerReveal */
.layer-reveal.lr-run .lr-outlines path,
.layer-reveal.lr-run .lr-outlines ellipse {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: lr-draw 0.8s ease forwards;
  animation-delay: calc(var(--lr-t1) + var(--i, 0) * 0.045s);
}

.layer-reveal.lr-run .lr-schatten {
  will-change: opacity;
  animation: lr-fade-in 0.6s var(--rv-ease) forwards,
             lr-fade-out 0.9s var(--rv-ease) forwards;
  animation-delay: var(--lr-t2), var(--lr-t4);
}

.layer-reveal.lr-run .lr-personen {
  will-change: opacity;
  animation: lr-fade-in 0.5s var(--rv-ease) forwards,
             lr-fade-out 0.9s var(--rv-ease) forwards;
  animation-delay: var(--lr-t3), var(--lr-t4);
}

@keyframes lr-draw     { to { stroke-dashoffset: 0; } }
@keyframes lr-fade-in  { to { opacity: 1; } }
@keyframes lr-fade-out { to { opacity: 0; } }

/* Mobile: kürzer und ruhiger (wie Hero-Intro) */
@media (max-width: 768px) {
  .layer-reveal { margin-bottom: 64px; }
  .layer-reveal.lr-run { --lr-t1: 0.25s; --lr-t2: 1.7s; --lr-t3: 2.2s; --lr-t4: 2.9s; }
  .layer-reveal.lr-run .lr-outlines path,
  .layer-reveal.lr-run .lr-outlines ellipse {
    animation-duration: 0.6s;
    animation-delay: calc(var(--lr-t1) + var(--i, 0) * 0.03s);
  }
}

/* Reduced motion: sofort das Endbild (CSS-Doppelabsicherung zum JS-Guard) */
@media (prefers-reduced-motion: reduce) {
  .layer-reveal .lr-cover,
  .layer-reveal .lr-layer { display: none !important; }
}