/* =========================================================
   Andreas Amann · Analoge Fotografie
   Warm & analog: Sepia-/Erdtöne, Filmkorn, editoriale Serifen
   ========================================================= */

:root {
  /* Warme, analoge Palette */
  --paper:      #ece3d4;   /* Hintergrund, wie belichtetes Papier */
  --paper-deep: #e2d6c1;
  --ink:        #2b2116;   /* dunkles Sepia statt Schwarz */
  --ink-soft:   #5c4b38;
  --accent:     #a6642e;   /* gebranntes Orange / Entwicklerbraun */
  --accent-dk:  #7c471d;
  --dark:       #211a12;   /* Dunkelkammer-Sektion */
  --dark-paper: #2c241a;

  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans:  "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --maxw: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

/* ---------- Filmkorn-Overlay über der ganzen Seite ---------- */
.grain {
  position: fixed;
  inset: -50%;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.55;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  animation: grain 0.6s steps(3) infinite;
}
@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  33%      { transform: translate(-4%, 3%); }
  66%      { transform: translate(3%, -4%); }
}
@media (prefers-reduced-motion: reduce) {
  .grain { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.2rem, 4vw, 3rem);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
}
.nav__brand {
  display: flex;
  align-items: center;
}
.nav__logo {
  height: 44px;
  width: auto;
  display: block;
  transition: opacity 0.3s var(--ease);
}
.nav__brand:hover .nav__logo { opacity: 0.72; }
.nav__links {
  display: flex;
  gap: clamp(1rem, 2.5vw, 2.2rem);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
}
.nav__links a {
  position: relative;
  padding: 0.2rem 0;
  color: var(--ink-soft);
  transition: color 0.3s var(--ease);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { width: 100%; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav__toggle span {
  width: 24px; height: 2px;
  background: var(--ink);
  transition: 0.3s var(--ease);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem clamp(1.2rem, 5vw, 3rem) 3rem;
  position: relative;
  background:
    radial-gradient(circle at 50% 30%, color-mix(in srgb, var(--paper) 60%, #fff) 0%, transparent 60%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
}
.hero__inner {
  max-width: 780px;
  animation: rise 1.1s var(--ease) both;
}
.hero__logo {
  width: clamp(140px, 20vw, 190px);
  height: auto;
  margin: 0 auto 2rem;
  display: block;
}
.hero__kicker {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.hero__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(3.4rem, 12vw, 8.5rem);
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
}
.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 30em;
  margin: 0 auto 2.4rem;
}
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--ink-soft);
}
.hero__line {
  width: 1px; height: 46px;
  background: linear-gradient(var(--ink-soft), transparent);
  animation: drop 2s ease-in-out infinite;
}
@keyframes drop {
  0%, 100% { transform: scaleY(0.4); opacity: 0.4; transform-origin: top; }
  50%      { transform: scaleY(1); opacity: 1; transform-origin: top; }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Button ---------- */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
  padding: 0.95rem 2.2rem;
  color: var(--paper);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 2px;
  transition: 0.35s var(--ease);
}
.btn:hover {
  background: var(--accent-dk);
  border-color: var(--accent-dk);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -12px var(--accent-dk);
}

.btn--outline {
  color: var(--accent-dk);
  background: transparent;
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
}
.btn--outline:hover {
  color: var(--paper);
  background: var(--accent);
  border-color: var(--accent);
}

/* ---------- Section-Grundgerüst ---------- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(4.5rem, 10vw, 8rem) clamp(1.2rem, 5vw, 3rem);
}
.section__head { margin-bottom: 3rem; max-width: 42rem; }
.section__num {
  display: inline-block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.section__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1;
  margin-bottom: 1rem;
}
.section__lead {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 34em;
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Galerie ---------- */
.gallery {
  columns: 3 260px;
  column-gap: 1.1rem;
}
.gallery__item {
  position: relative;
  break-inside: avoid;
  margin-bottom: 1.1rem;
  overflow: hidden;
  cursor: pointer;
  background: var(--paper-deep);
  box-shadow: 0 8px 26px -18px rgba(43,33,22,0.7);
}
.gallery__item img {
  width: 100%;
  filter: sepia(0.28) saturate(0.92) contrast(1.02);
  transition: transform 0.7s var(--ease), filter 0.6s var(--ease);
}
.gallery__item:hover img {
  transform: scale(1.05);
  filter: sepia(0.1) saturate(1.05) contrast(1.04);
}
.gallery__item figcaption {
  position: absolute;
  left: 0; bottom: 0; right: 0;
  padding: 1.4rem 1rem 0.9rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: #fff;
  background: linear-gradient(transparent, rgba(33,26,18,0.82));
  opacity: 0;
  transform: translateY(10px);
  transition: 0.4s var(--ease);
}
.gallery__item:hover figcaption {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Über mich (Split) ---------- */
.section--split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.split__media {
  position: relative;
}
.split__media img {
  width: 100%;
  filter: sepia(0.35) contrast(1.03);
  box-shadow: 0 20px 50px -30px rgba(43,33,22,0.9);
}
.split__tag {
  position: absolute;
  bottom: -0.8rem; right: -0.8rem;
  background: var(--accent);
  color: var(--paper);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.5rem 0.9rem;
}
.split__text p { margin-bottom: 1.2rem; color: var(--ink-soft); }
.split__text .section__num,
.split__text .section__title { }
.split__text .section__title { margin-bottom: 1.5rem; }

.facts {
  list-style: none;
  margin-top: 2rem;
  border-top: 1px solid color-mix(in srgb, var(--ink) 15%, transparent);
}
.facts li {
  display: flex;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  font-size: 0.95rem;
}
.facts strong {
  flex: 0 0 8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  padding-top: 0.15rem;
}

/* ---------- Prozess / Dunkelkammer ---------- */
.section--dark {
  max-width: none;
  background: var(--dark);
  color: var(--paper);
  margin-top: 2rem;
}
.section--dark .section__head,
.section--dark .process {
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}
.section--dark .section__title { color: var(--paper); }
.section--dark .section__lead { color: color-mix(in srgb, var(--paper) 70%, transparent); }
.section--dark .section__num { color: var(--accent); }

.process {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: none;
}
.process__step {
  padding: 1.8rem 1.4rem;
  border: 1px solid color-mix(in srgb, var(--paper) 14%, transparent);
  background: var(--dark-paper);
  transition: 0.4s var(--ease);
}
.process__step:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
}
.process__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 2.2rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.8rem;
}
.process__step h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
}
.process__step p {
  font-size: 0.9rem;
  color: color-mix(in srgb, var(--paper) 68%, transparent);
}

/* ---------- Leistungen ---------- */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.service {
  display: flex;
  flex-direction: column;
  padding: 2.2rem 1.9rem;
  background: color-mix(in srgb, var(--paper) 55%, #fff);
  border: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  box-shadow: 0 14px 40px -30px rgba(43,33,22,0.8);
  transition: 0.4s var(--ease);
}
.service:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 24px 50px -30px rgba(124,71,29,0.5);
}
.service__icon {
  font-size: 1.9rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 1rem;
}
.service__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.7rem;
  margin-bottom: 0.7rem;
}
.service__desc {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin-bottom: 1.2rem;
}
.service__list {
  list-style: none;
  margin-bottom: 1.4rem;
  border-top: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
}
.service__list li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.3rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
}
.service__list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.service__price {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink);
  margin-bottom: 1.4rem;
}
.service .btn {
  margin-top: auto;
  text-align: center;
}

/* ---------- Kontakt ---------- */
.section--contact { text-align: center; }
.section--contact .section__head {
  margin-left: auto; margin-right: auto;
}
.section--contact .section__lead { margin-left: auto; margin-right: auto; }
.contact { margin-top: 1rem; }
.contact__mail {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 5vw, 3rem);
  color: var(--ink);
  border-bottom: 2px solid transparent;
  transition: 0.35s var(--ease);
}
.contact__mail:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.contact__social {
  margin-top: 1.8rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-soft);
}
.contact__social a { transition: color 0.3s var(--ease); }
.contact__social a:hover { color: var(--accent); }

/* ---------- Footer ---------- */
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem clamp(1.2rem, 5vw, 3rem);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  border-top: 1px solid color-mix(in srgb, var(--ink) 15%, transparent);
}
.footer a:hover { color: var(--accent); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(24, 18, 12, 0.94);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__figure {
  max-width: min(90vw, 1000px);
  text-align: center;
}
.lightbox__figure img {
  max-height: 78vh;
  width: auto;
  margin: 0 auto;
  filter: sepia(0.22) contrast(1.03);
  box-shadow: 0 30px 80px -30px #000;
}
.lightbox__figure figcaption {
  margin-top: 1rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--paper);
}
.lightbox__close {
  position: absolute;
  top: 1.2rem; right: 1.6rem;
  font-size: 2.4rem;
  line-height: 1;
  color: var(--paper);
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.8;
  transition: 0.3s var(--ease);
}
.lightbox__close:hover { opacity: 1; transform: rotate(90deg); }
.lightbox__nav {
  font-size: 3rem;
  color: var(--paper);
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.6;
  padding: 0 0.4rem;
  transition: 0.3s var(--ease);
  flex: 0 0 auto;
}
.lightbox__nav:hover { opacity: 1; color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .process { grid-template-columns: repeat(2, 1fr); }
  .section--split { grid-template-columns: 1fr; }
  .split__media { order: -1; max-width: 480px; }
}
@media (max-width: 680px) {
  .nav__links {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(70vw, 280px);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
    background: var(--paper-deep);
    font-size: 1rem;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
    box-shadow: -20px 0 60px -30px rgba(43,33,22,0.6);
  }
  .nav__links.is-open { transform: translateX(0); }
  .nav__toggle { display: flex; z-index: 101; }
  .nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .gallery { columns: 1; }
  .process { grid-template-columns: 1fr; }
  .lightbox__nav { position: absolute; bottom: 1.5rem; }
  .lightbox__nav--prev { left: 1.5rem; }
  .lightbox__nav--next { right: 1.5rem; }
}