/* =====================================================
   Stefan Behrens Film — Stylesheet
   Design tokens
   ===================================================== */
:root{
  --bg:            #14171A;
  --surface:       #1B1F23;
  --surface-2:     #21262B;
  --line:          #2C3136;
  --text:          #EDEAE2;
  --text-dim:      #9BA1A6;
  --accent:        #E3A24C; /* tungsten / warm film light */
  --accent-soft:   #E3A24C33;
  --accent-2:      #4C8C86; /* cool grade, used sparingly */

  --font-display:  'Space Grotesk', sans-serif;
  --font-body:     'Newsreader', serif;

  --maxw: 1180px;
  --gap: clamp(1.25rem, 3vw, 2.5rem);
  --radius: 2px;
}

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

body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4, nav, .eyebrow, button, .btn, .nav-link{
  font-family: var(--font-display);
  letter-spacing: 0.01em;
}

a{ color: inherit; text-decoration: none; }
img{ max-width:100%; display:block; }

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gap);
}

/* ---------- Focus visibility ---------- */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Eyebrow / f-stop markers ----------
   Signature device: instead of 01/02/03 numbering,
   sections are marked with aperture (f-stop) values —
   a wider aperture (smaller f-number) opens the story,
   narrower apertures bring later sections into sharper,
   more detailed focus. */
.eyebrow{
  display:flex;
  align-items:center;
  gap:0.6em;
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9em;
}
.eyebrow::before{
  content:"";
  width: 9px; height:9px;
  border-radius:50%;
  border: 1.5px solid var(--accent);
}

/* ---------- Header / Nav ---------- */
.site-header{
  position: sticky;
  top:0;
  z-index: 50;
  background: rgba(20,23,26,0.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height: 76px;
}
.logo{
  font-size: 1.05rem;
  font-weight: 600;
  display:flex;
  flex-direction:column;
  line-height:1.15;
}
.logo span{
  font-family: var(--font-body);
  font-style: italic;
  font-weight:400;
  font-size:0.72rem;
  color: var(--text-dim);
}
.nav-links{
  display:flex;
  gap: 2.2rem;
  list-style:none;
  margin:0; padding:0;
}
.nav-link{
  font-size:0.85rem;
  text-transform:uppercase;
  color: var(--text-dim);
  position:relative;
  padding: 6px 0;
}
.nav-link::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0;
  height:1px; background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav-link:hover, .nav-link.active{ color: var(--text); }
.nav-link:hover::after, .nav-link.active::after{ transform: scaleX(1); }

.nav-toggle{
  display:none;
  background:none; border:0; color:var(--text);
  width:40px; height:40px; cursor:pointer;
}
.nav-toggle svg{ width:22px; height:22px; }

@media (max-width: 780px){
  .nav-toggle{ display:block; }
  .nav-links{
    position:fixed;
    inset: 76px 0 0 0;
    background: var(--bg);
    flex-direction:column;
    padding: 2.5rem var(--gap);
    gap: 1.6rem;
    transform: translateY(-8px);
    opacity:0;
    pointer-events:none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav-links.open{
    opacity:1; transform:translateY(0); pointer-events:auto;
  }
  .nav-link{ font-size:1.1rem; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding: clamp(4rem, 12vw, 8rem) 0 clamp(3rem, 8vw, 5rem);
  overflow:hidden;
  border-bottom: 1px solid var(--line);
}
.hero .wrap{
  display:grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: var(--gap);
  align-items:center;
}
.hero h1{
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1.02;
  margin: 0 0 0.5em;
  font-weight: 600;
}
.hero h1 em{
  font-style: italic;
  font-family: var(--font-body);
  color: var(--accent);
  font-weight:500;
}
.hero p{
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0 0 1.8em;
}
.hero-actions{ display:flex; gap:1rem; flex-wrap:wrap; }

.btn{
  display:inline-flex;
  align-items:center;
  gap:0.5em;
  padding: 0.85em 1.5em;
  border-radius: var(--radius);
  font-size: 0.85rem;
  text-transform: uppercase;
  border: 1px solid var(--line);
  transition: border-color .2s ease, background .2s ease;
}
.btn-primary{
  background: var(--accent);
  color: #14171A;
  border-color: var(--accent);
  font-weight:600;
}
.btn-primary:hover{ background:#f0b566; }
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); }

/* Hero-Bild */
.hero-figure{
  position:relative;
  aspect-ratio: 4/5;
  max-width: 420px;
  margin-left:auto;
  overflow:hidden;
  border: 1px solid var(--line);
  background: var(--surface);
}
.hero-figure img{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit: cover;
  object-position: center 15%;
  filter: grayscale(1) contrast(1.05);
}
.hero-figure::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(20,23,26,0) 55%, rgba(20,23,26,0.55) 100%);
}
.hero-figure .frame-label{
  position:absolute; top:1rem; left:1rem; z-index:2;
  display:flex; align-items:center; gap:0.5em;
  font-size:0.7rem; text-transform:uppercase; letter-spacing:.08em;
  color:#fff; background:rgba(20,23,26,0.55); backdrop-filter:blur(4px);
  padding:0.4em 0.9em; border-radius:999px;
}
.hero-figure .frame-label::before{
  content:""; width:6px; height:6px; border-radius:50%; background:var(--accent);
}

/* ---------- Section basics ---------- */
section{ padding: clamp(3.5rem, 9vw, 6.5rem) 0; }
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  flex-wrap:wrap;
}
.section-head h2{
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin:0;
  font-weight:600;
}
.section-head p{ color:var(--text-dim); max-width: 42ch; margin:0; }

/* ---------- Portfolio ---------- */
.filters{
  display:flex;
  flex-wrap:wrap;
  gap:0.6rem;
  margin-bottom: 2.2rem;
}
.filter-btn{
  padding: 0.55em 1.1em;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--text-dim);
  background: transparent;
  cursor:pointer;
  transition: all .2s ease;
}
.filter-btn:hover{ border-color: var(--accent); color: var(--text); }
.filter-btn.active{ background: var(--accent); border-color: var(--accent); color:#14171A; font-weight:600; }

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
@media (max-width: 900px){ .grid{ grid-template-columns: repeat(2,1fr);} }
@media (max-width: 600px){ .grid{ grid-template-columns: 1fr;} }

.card{
  position:relative;
  background: var(--surface);
  border: 1px solid var(--line);
  overflow:hidden;
  transition: transform .25s ease, border-color .25s ease;
}
.card:hover{ transform: translateY(-4px); border-color: var(--accent); }
.card .thumb{
  aspect-ratio: 4/3;
  background:
    linear-gradient(135deg, var(--surface-2), var(--surface)),
    repeating-linear-gradient(45deg, transparent 0 18px, #ffffff08 18px 19px);
  display:flex; align-items:center; justify-content:center;
  color: var(--text-dim);
  font-size:0.72rem;
  text-transform:uppercase;
  text-align:center;
  padding:1rem;
  border-bottom:1px solid var(--line);
}
.card .body{ padding: 1.1rem 1.2rem 1.3rem; }
.card .caption{
  font-style: italic;
  font-size: 0.82rem;
  color: var(--text-dim);
  border-top: 1px solid var(--line);
  padding-top: 0.7rem;
  margin: 0.9rem 0 0;
}
.card .tag{
  font-size:0.68rem; text-transform:uppercase; color: var(--accent); letter-spacing:.08em;
}
.card h3{ margin: 0.3em 0 0.3em; font-size:1.05rem; font-weight:600; }
.card p{ margin:0; color: var(--text-dim); font-size:0.92rem; }

/* ---------- Über mich ---------- */
.about{
  display:grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--gap);
  align-items:start;
}
.about .portrait{
  position:relative;
  aspect-ratio: 3/4;
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  color: var(--text-dim); font-size:0.75rem; text-transform:uppercase; text-align:center; padding:1.5rem;
  overflow:hidden;
}
.about .portrait img{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
}
.about h2{ font-size: clamp(1.8rem, 4vw, 2.6rem); margin:0 0 0.6em; font-weight:600; }
.about p{ color: var(--text-dim); margin: 0 0 1.1em; }
.stat-row{
  display:flex; gap: 2.2rem; margin-top: 1.8rem; flex-wrap:wrap;
  border-top: 1px solid var(--line); padding-top: 1.5rem;
}
.stat b{ display:block; font-family: var(--font-display); font-size:1.6rem; color: var(--accent); }
.stat span{ color: var(--text-dim); font-size:0.78rem; text-transform:uppercase; }

/* ---------- Kontakt ---------- */
.contact{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
}
.contact-info h2{ font-size: clamp(1.8rem,4vw,2.6rem); margin:0 0 0.6em; font-weight:600; }
.contact-info p{ color:var(--text-dim); margin-bottom:1.6em; max-width:44ch; }
.info-line{
  display:flex; gap:0.9rem; padding: 0.9rem 0; border-top: 1px solid var(--line);
  font-size:0.95rem;
}
.info-line:last-of-type{ border-bottom: 1px solid var(--line); }
.info-line .k{ color: var(--text-dim); min-width: 90px; text-transform:uppercase; font-size:0.72rem; letter-spacing:.06em; padding-top:2px; font-family: var(--font-display); }

form{ display:flex; flex-direction:column; gap:1rem; }
label{ font-size:0.75rem; text-transform:uppercase; color:var(--text-dim); margin-bottom:0.4em; display:block; }
input, textarea{
  width:100%;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 0.85em 1em;
  font-family: var(--font-body);
  font-size:1rem;
  border-radius: var(--radius);
}
input:focus, textarea:focus{ outline:none; border-color: var(--accent); }
textarea{ resize: vertical; min-height:120px; }
.form-note{ font-size:0.78rem; color:var(--text-dim); }

@media (max-width: 820px){
  .hero .wrap, .about, .contact{ grid-template-columns: 1fr; }
  .hero-figure{ margin: 0 auto; max-width: 280px; order:-1; }
}

/* ---------- Footer ---------- */
footer{
  border-top: 1px solid var(--line);
  padding: 2.5rem 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}
footer .wrap{
  display:flex; justify-content:space-between; align-items:center; gap:1rem; flex-wrap:wrap;
}
footer a:hover{ color: var(--accent); }
.footer-links{ display:flex; gap:1.4rem; }

/* ---------- Reveal on scroll ---------- */
.reveal{ opacity:0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }

/* ================================================================
   Struktur-Update: Aufbau angelehnt an eine Referenzseite,
   umgesetzt im bestehenden Anthrazit/Tungsten-Look.
   ================================================================ */

/* ---------------- Ankündigungsleiste ---------------- */
.promo-bar{
  background:var(--surface); color:var(--text-dim); text-align:center;
  font-size:0.76rem; font-weight:500; padding:0.6rem 1rem; letter-spacing:0.02em;
  border-bottom:1px solid var(--line);
}
.promo-bar a{ color:var(--accent); font-weight:600; }
.promo-bar a:hover{ color:#f0b566; }

/* ---------------- Vollflächiger Hero ---------------- */
.hero-full{
  position:relative;
  height: min(88vh, 780px);
  min-height: 460px;
  overflow:hidden;
  border-bottom: 1px solid var(--line);
}
.hero-full img{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; object-position:center 15%;
  filter: grayscale(1) contrast(1.05);
}
.hero-full::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(20,23,26,0.15) 0%, rgba(20,23,26,0.35) 45%, rgba(20,23,26,0.92) 100%);
}
.hero-full .hero-content{
  position:absolute; left:0; right:0; bottom:0; z-index:2;
  padding: clamp(1.6rem,5vw,3.5rem) var(--gap) clamp(2.2rem,6vw,4rem);
}
.hero-full h1{ max-width:18ch; }
.hero-full p{ max-width:46ch; }

/* ---------------- Kachel-Reihe: Schwerpunkte (Bild-Kacheln) ---------------- */
.tile-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.1rem; }
@media (max-width:960px){ .tile-grid{ grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .tile-grid{ grid-template-columns:1fr;} }
.tile{
  position:relative; aspect-ratio:3/4; overflow:hidden;
  border:1px solid var(--line);
  background: linear-gradient(150deg, var(--surface-2), var(--surface));
  display:block;
}
.tile img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; filter:grayscale(1) contrast(1.05); transition:transform .4s ease; }
.tile:hover img{ transform:scale(1.05); }
.tile::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(20,23,26,0) 40%, rgba(20,23,26,0.92) 100%);
}
.tile .tile-content{ position:absolute; left:0; right:0; bottom:0; z-index:2; padding:1.2rem; }
.tile .cat{ font-size:0.68rem; font-weight:600; text-transform:uppercase; letter-spacing:.08em; color:var(--accent); }
.tile h3{ font-size:1.05rem; margin:0.3em 0 0.3em; font-weight:600; }
.tile .go{ font-size:0.78rem; color:var(--text-dim); }
.tile:hover .go{ color:var(--accent); }
.tile .placeholder-txt{ position:absolute; top:1rem; left:1rem; right:1rem; z-index:2; font-size:0.68rem; color:var(--text-dim); text-transform:uppercase; letter-spacing:.04em; }

/* ---------------- Bild/Text-Band (abwechselnd) ---------------- */
.feature-band{ background:var(--surface); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.feature-band .band-grid{ display:grid; grid-template-columns:1fr 1fr; align-items:center; gap:0; }
.feature-band .media{
  aspect-ratio:4/3; position:relative; overflow:hidden;
  background: linear-gradient(150deg, var(--surface-2), var(--surface));
  display:flex; align-items:center; justify-content:center;
  color:var(--text-dim); font-size:0.78rem; text-align:center; padding:1rem;
  border-right: 1px solid var(--line);
}
.feature-band .media img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; filter:grayscale(1) contrast(1.05); }
.feature-band .content{ padding: clamp(2rem,6vw,4.5rem); }
.feature-band .content h2{ font-size:clamp(1.7rem,3.4vw,2.4rem); margin-bottom:0.6em; font-weight:600; }
.feature-band .content p{ color:var(--text-dim); margin:0 0 1.4em; max-width:48ch; }
.feature-band.reverse .band-grid{ direction:rtl; }
.feature-band.reverse .band-grid > *{ direction:ltr; }
.feature-band.reverse .media{ border-right:0; border-left:1px solid var(--line); }
@media (max-width:820px){
  .feature-band .band-grid{ grid-template-columns:1fr; direction:ltr !important; }
  .feature-band .media{ order:-1; border:0; border-bottom:1px solid var(--line); }
}

/* ---------------- Story-Band (großflächig, Text über Bild) ---------------- */
.story-band{
  position:relative; min-height:min(62vh,520px); display:flex; align-items:flex-end;
  overflow:hidden; border:1px solid var(--line);
}
.story-band img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; filter:grayscale(1) contrast(1.05); }
.story-band .no-img{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  background: linear-gradient(150deg, var(--surface-2), var(--surface));
  color:var(--text-dim); font-size:0.85rem; text-align:center; padding:1rem;
}
.story-band::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(20,23,26,0) 30%, rgba(20,23,26,0.92) 100%);
}
.story-band .story-content{ position:relative; z-index:2; padding: clamp(1.8rem,5vw,3.5rem); max-width:640px; }
.story-band h2{ font-size:clamp(1.7rem,3.6vw,2.5rem); margin-bottom:0.6em; font-weight:600; }
.story-band p{ color:var(--text-dim); margin:0 0 1.3em; max-width:52ch; }
.story-band a.go-link{ color:var(--text); font-weight:600; font-size:0.9rem; border-bottom:1.5px solid var(--accent); padding-bottom:2px; }
.story-band a.go-link:hover{ color:var(--accent); }

/* ---------------- Referenzen-Leiste ---------------- */
.logo-bar{
  display:flex; flex-wrap:wrap; justify-content:center; align-items:center;
  gap: clamp(1.6rem, 4vw, 3.2rem);
  padding: 2.2rem 0;
}
.logo-bar span{
  font-family:var(--font-display); font-weight:600; font-size:1.02rem;
  color:var(--text-dim); letter-spacing:0.01em; opacity:0.85;
}

/* ---------------- Werte-Badges ---------------- */
.badge-strip{ display:flex; flex-wrap:wrap; justify-content:center; gap:0.7rem; }
.badge{
  font-size:0.78rem; font-weight:600; color:var(--text);
  background: var(--accent-soft); border:1px solid var(--line);
  padding:0.6em 1.2em; border-radius:999px;
}

/* ---------------- Mehrspaltiger Footer ---------------- */
.footer-grid{
  display:grid; grid-template-columns: 1.3fr 1fr 1fr; gap: clamp(1.5rem,4vw,3rem);
  padding: clamp(2.2rem,5vw,3.2rem) 0 2rem;
  border-bottom:1px solid var(--line);
}
@media (max-width:700px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-col h4{ font-family:var(--font-display); font-size:0.8rem; text-transform:uppercase; letter-spacing:.06em; margin-bottom:1em; color:var(--text); }
.footer-col a, .footer-col p{ display:block; color:var(--text-dim); font-size:0.9rem; margin:0 0 0.6em; }
.footer-col a:hover{ color:var(--accent); }
.footer-bottom{ padding-top:1.4rem; display:flex; justify-content:space-between; flex-wrap:wrap; gap:0.8rem; font-size:0.82rem; color:var(--text-dim); }