/* =========================================================
   Fotoportfolio – Editorial / Kontaktbogen-Ästhetik
   ========================================================= */

:root {
  --paper: #f5f3ee;
  --paper-dim: #ece9e1;
  --ink: #1a1815;
  --ink-soft: #47443e;
  --stone: #b7b2a6;
  --stone-light: #d9d5c9;
  --moss: #55624a;
  --moss-dark: #3c4535;

  --display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "Segoe UI Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ---------- Kopfleiste ---------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 6vw;
  border-bottom: 1px solid var(--stone-light);
  position: sticky;
  top: 0;
  background: rgba(245, 243, 238, 0.92);
  backdrop-filter: blur(6px);
  z-index: 50;
}

.brand {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.brand span {
  color: var(--moss);
  font-style: italic;
}

.site-nav {
  display: flex;
  gap: 2.2rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--moss-dark);
  border-color: var(--moss);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 78vh;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--ink);
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.82;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26,24,21,0) 40%, rgba(26,24,21,0.75) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 6vw 3.2rem;
  color: var(--paper);
  max-width: 720px;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 0.8rem;
  display: inline-block;
}

.hero h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  line-height: 1.05;
  margin: 0 0 0.9rem;
}

.hero p {
  font-size: 1.05rem;
  max-width: 46ch;
  opacity: 0.92;
}

/* ---------- Sektionen ---------- */
.section {
  padding: 4.5rem 6vw;
}

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2.2rem;
  border-bottom: 1px solid var(--stone-light);
  padding-bottom: 1rem;
}

.section-heading h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.9rem;
  margin: 0;
}

.section-heading .count {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.intro-text {
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

/* ---------- Kategorie-Tabs ---------- */
.tabs {
  display: flex;
  gap: 0;
  margin-bottom: 2.8rem;
  border-bottom: 1px solid var(--stone-light);
}

.tab-btn {
  font-family: var(--mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: none;
  border: none;
  color: var(--ink-soft);
  padding: 0.9rem 1.6rem 0.9rem 0;
  margin-right: 1.6rem;
  cursor: pointer;
  position: relative;
  top: 1px;
}

.tab-btn::after {
  content: "";
  position: absolute;
  left: 0;
  right: 1.6rem;
  bottom: -1px;
  height: 2px;
  background: transparent;
  transition: background 0.2s ease;
}

.tab-btn.active {
  color: var(--ink);
}

.tab-btn.active::after {
  background: var(--moss);
}

/* ---------- Kontaktbogen-Galerie ---------- */
.contact-sheet {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2.4rem;
}

.frame {
  display: none;
  position: relative;
  border: 1px solid var(--ink);
  background: var(--paper);
  padding: 0.5rem;
}

.frame.visible { display: block; }

.frame::before,
.frame::after {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  width: 6px;
  background-image: repeating-linear-gradient(
    180deg,
    var(--stone) 0,
    var(--stone) 6px,
    transparent 6px,
    transparent 16px
  );
}

.frame::before { left: -2px; }
.frame::after { right: -2px; }

.frame .shot {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.frame .shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.97);
  transition: transform 0.5s ease;
}

.frame:hover .shot img {
  transform: scale(1.035);
}

.frame figcaption {
  padding: 0.75rem 0.4rem 0.3rem;
}

.frame .title {
  font-family: var(--body);
  font-weight: 600;
  font-size: 0.95rem;
  margin: 0 0 0.2rem;
}

.frame .exif {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--stone-light);
  padding: 2.4rem 6vw;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.footer-links {
  display: flex;
  gap: 1.6rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--moss-dark); }

/* ---------- Rechtstexte ---------- */
.legal {
  max-width: 68ch;
  margin: 0 auto;
  padding: 4rem 6vw 6rem;
}

.legal h1 {
  font-family: var(--display);
  font-size: 2.2rem;
  margin-bottom: 0.4rem;
}

.legal h2 {
  font-family: var(--display);
  font-size: 1.25rem;
  margin-top: 2.4rem;
}

.legal .placeholder {
  background: var(--paper-dim);
  border-left: 3px solid var(--moss);
  padding: 0.15rem 0.6rem;
  font-family: var(--mono);
  font-size: 0.9em;
}

.legal-note {
  font-size: 0.85rem;
  color: var(--ink-soft);
  border: 1px solid var(--stone-light);
  padding: 1rem 1.2rem;
  margin-top: 3rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .site-header { padding: 1.2rem 5vw; }
  .site-nav { gap: 1.2rem; }
  .section { padding: 3rem 5vw; }
  .hero { height: 62vh; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .frame .shot img { transition: none; }
}

/* Sichtbarer Fokus */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 3px;
}