/* Ackermann Media – Webdesign und Fotografie, Mainz
   Monochrom: Schwarz und Weiß sind die Marke, Farbe kommt nur aus den Fotos. */

@font-face {
  font-family: "Jost";
  font-style: normal;
  font-weight: 200 600;
  font-display: swap;
  src: url("../fonts/jost-normal-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Jost";
  font-style: italic;
  font-weight: 200 600;
  font-display: swap;
  src: url("../fonts/jost-italic-latin.woff2") format("woff2");
}

:root {
  --black: #000000;
  --white: #ffffff;
  --ink: #000000;
  --ink-2: #555555;
  --ink-3: #767676;
  --paper: #ffffff;
  --paper-2: #f1f1f1;
  --line: #dddddd;
  --line-dark: #2a2a2a;
  --on-black: #ffffff;
  --on-black-2: #b4b4b4;
  --on-black-3: #8a8a8a;

  --font: "Jost", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --fs-display: clamp(2.75rem, 7.2vw, 6rem);
  --fs-h2: clamp(2rem, 4.4vw, 3.4rem);
  --fs-h3: 1.375rem;
  --fs-body: 1.0625rem;
  --fs-small: 0.9375rem;

  --measure: 36em;
  --gutter: clamp(1rem, 4vw, 3.5rem);
  --section: clamp(5rem, 11vw, 9.5rem);
  --max: 1280px;

  --ease: cubic-bezier(0.7, 0, 0.2, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
p { margin: 0 0 1em; max-width: var(--measure); }
h1, h2, h3 { margin: 0; font-weight: 300; line-height: 1.08; letter-spacing: -0.012em; }
h2 { font-size: var(--fs-h2); font-weight: 200; max-width: 16em; }
h3 { font-size: var(--fs-h3); font-weight: 500; line-height: 1.3; letter-spacing: 0; }

:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: 1rem; top: -4rem;
  background: var(--white); color: var(--black);
  padding: .5rem 1rem; z-index: 100;
}
.skip:focus { top: 1rem; }

.wrap {
  width: min(100% - 2 * var(--gutter), var(--max));
  margin-inline: auto;
}

/* ---- Dunkle und helle Flächen ---- */
.dark {
  background: var(--black);
  color: var(--on-black);
}
.dark .muted { color: var(--on-black-2); }
.muted { color: var(--ink-2); }
.tint { background: var(--paper-2); }

/* ---- Navigation: liegt per Differenz-Mischung über allem ---- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  mix-blend-mode: difference;
  color: #fff;
  pointer-events: none;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.1rem;
}
.nav a, .nav button { pointer-events: auto; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  text-decoration: none;
  font-weight: 300;
  font-size: 1.3rem;
  letter-spacing: .01em;
}
.brand svg { width: 1.6em; height: 1.6em; }
.brand strong { font-weight: 500; }

.nav__links {
  display: flex;
  gap: clamp(1rem, 2.5vw, 2.25rem);
  margin: 0; padding: 0;
  list-style: none;
}
.nav__links a {
  text-decoration: none;
  font-weight: 500;
  font-size: var(--fs-small);
  padding-block: .25rem;
  border-bottom: 1px solid transparent;
}
.nav__links a:hover { border-bottom-color: currentColor; }
.nav__toggle {
  display: none;
  background: none; border: 0; color: inherit; font: inherit;
  font-weight: 500; padding: .25rem 0; cursor: pointer;
}

@media (max-width: 760px) {
  .nav__toggle { display: inline-block; }
  .nav__links {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 100%;
    flex-direction: column;
    gap: 0;
    padding: .5rem var(--gutter) 1.25rem;
    background: var(--black);
  }
  .nav.is-open { mix-blend-mode: normal; background: var(--black); color: var(--white); }
  .nav.is-open .nav__links { display: flex; }
  .nav__links a { display: block; padding-block: .7rem; font-size: 1.15rem; border-bottom-color: rgba(255,255,255,.15); }
}

/* ---- Hero mit Blende ---- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}
.hero { background: var(--black); color: var(--on-black); }
.hero__mark {
  position: absolute;
  right: -12vmin; top: 50%;
  width: 78vmin; height: 78vmin;
  transform: translateY(-54%);
  color: rgba(255,255,255,.14);
  z-index: -2;
  pointer-events: none;
}

/* Sechs Lamellen, jede eine Halbebene, die um den Mittelpunkt gedreht
   und entlang ihrer Normalen nach außen geschoben wird. */
.iris {
  position: absolute; inset: 0;
  z-index: -1;
  pointer-events: none;
  --iris: 150vmax;
}
.blade {
  position: absolute;
  left: 50%; top: 50%;
  width: 400vmax; height: 220vmax;
  margin-top: -220vmax;
  background: var(--paper);
  transform-origin: 0 100%;
  transform: rotate(var(--rot)) translate(calc(-0.5774 * var(--iris)), calc(-1 * var(--iris)));
  box-shadow: 0 1px 0 0 rgba(0,0,0,.14);
}
.blade:nth-child(1) { --rot: 0deg; }
.blade:nth-child(2) { --rot: 60deg; }
.blade:nth-child(3) { --rot: 120deg; }
.blade:nth-child(4) { --rot: 180deg; }
.blade:nth-child(5) { --rot: 240deg; }
.blade:nth-child(6) { --rot: 300deg; }

.js .iris { --iris: 3.5vmax; }
.js .iris.is-open { --iris: 150vmax; }
.js .blade { transition: transform 1.5s var(--ease); }

.hero__content {
  position: relative;
  padding-block: 7rem clamp(3rem, 7vw, 5.5rem);
  color: var(--on-black);
}
.js .hero__content > * { opacity: 0; transform: translateY(.4rem); transition: opacity .8s ease, transform .8s ease; }
.js .hero.is-open .hero__content > * { opacity: 1; transform: none; transition-delay: .55s; }
.js .hero.is-open .hero__content > :nth-child(2) { transition-delay: .7s; }
.js .hero.is-open .hero__content > :nth-child(3) { transition-delay: .82s; }

.hero h1 {
  font-size: var(--fs-display);
  font-weight: 200;
  max-width: 11em;
  margin-bottom: .35em;
}
.hero__lead {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  max-width: 30em;
  color: var(--on-black-2);
  color: rgba(255,255,255,.86);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem 1.75rem; align-items: center; margin-top: 1.75rem; }

@media (prefers-reduced-motion: reduce) {
  .js .blade, .js .hero__content > * { transition: none; }
}

/* ---- Buttons und Links ---- */
.btn {
  display: inline-block;
  padding: .85em 1.6em;
  font: inherit; font-weight: 500;
  text-decoration: none;
  border: 1px solid currentColor;
  cursor: pointer;
  line-height: 1.2;
  background: var(--black); color: var(--white);
  border-color: var(--black);
  transition: background .2s ease, color .2s ease;
}
.btn:hover { background: var(--white); color: var(--black); }
.dark .btn, .btn--light { background: var(--white); color: var(--black); border-color: var(--white); }
.dark .btn:hover, .btn--light:hover { background: transparent; color: var(--white); }

.link {
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: .1em;
}
.link:hover { border-bottom-width: 2px; }

/* ---- Abstände ---- */
.mt-section { margin-top: var(--section); }
.mt-1 { margin-top: 1.25rem; }
.mt-05 { margin: .5rem 0 0; }
.note { margin-top: 1.5rem; font-size: var(--fs-small); }

/* ---- Abschnitte ---- */
.section { padding-block: var(--section); }
.section__head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section__head p { font-size: 1.15rem; margin-top: 1.25rem; }

/* ---- Die beiden Hälften ---- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  min-height: 80vh;
}
.half {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto 1fr;
  gap: 2rem;
  padding: clamp(3rem, 6vw, 5.5rem) var(--gutter);
}
.half--web { background: var(--paper); }
.half--web .half__inner { margin-left: auto; }
.half--dark { background: var(--black); color: var(--on-black); }
.half--dark .rows { border-color: var(--line-dark); }
.half--dark .rows > li { border-color: var(--line-dark); }
.half--dark .rows p { color: var(--on-black-2); }
.half__inner {
  width: min(100%, calc(var(--max) / 2 - var(--gutter)));
}
.half h2 { margin-bottom: .6em; }
.half p { font-size: 1.1rem; }
.half__media { align-self: end; }

.code {
  margin: 0;
  min-width: 0;
  font-family: var(--mono);
  font-size: .82rem;
  line-height: 1.55;
  background: var(--black);
  color: var(--on-black-2);
  padding: 1.4rem 1.6rem;
  overflow-x: auto;
  aspect-ratio: 3 / 2;
}
.code b { color: var(--white); font-weight: 500; }
.code i { color: #8a8a8a; font-style: normal; }

@media (max-width: 860px) {
  .split { grid-template-columns: minmax(0, 1fr); }
  .half--web .half__inner { margin-left: 0; }
  .code { aspect-ratio: auto; font-size: .74rem; padding: 1.1rem 1.2rem; }
}

/* ---- Tabellen: Technik und Vorher/Nachher ---- */
.rows { border-top: 1px solid var(--line); margin: 0; padding: 0; list-style: none; }
.dark .rows { border-color: var(--line-dark); }
.rows > li {
  display: grid;
  grid-template-columns: minmax(10rem, 1fr) 2fr;
  gap: 1rem 2.5rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
}
.dark .rows > li { border-color: var(--line-dark); }
.rows h3 { font-size: 1.2rem; }
.rows p { margin: 0; max-width: var(--measure); }
.rows p + p { margin-top: .35em; }
.rows .meta { color: var(--ink-3); font-size: var(--fs-small); margin-top: .5em; }
.rows .meta a { text-decoration: none; border-bottom: 1px solid var(--line); color: var(--ink); }
.rows .meta a:hover { border-bottom-color: var(--ink); }
@media (max-width: 640px) {
  .rows > li { grid-template-columns: 1fr; gap: .5rem; }
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.two-col > .sticky { position: sticky; top: 6rem; }
@media (max-width: 860px) {
  .two-col { grid-template-columns: 1fr; }
  .two-col > .sticky { position: static; }
}

/* ---- Übernahme: Ablauf ---- */
.steps { counter-reset: step; list-style: none; margin: 0; padding: 0; }
.steps > li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}
.steps > li::before {
  content: counter(step);
  font-size: 2.2rem;
  font-weight: 200;
  line-height: 1;
  color: var(--ink-3);
}
.steps h3 { margin-bottom: .35em; }
.steps p { margin: 0; }

.compare {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
  font-size: var(--fs-small);
}
.compare caption { text-align: left; font-size: var(--fs-h3); font-weight: 500; padding-bottom: 1rem; }
.compare th, .compare td {
  text-align: left; vertical-align: top;
  padding: .8rem 1rem .8rem 0;
  border-top: 1px solid var(--line);
}
.compare th { font-weight: 500; }
.compare thead th { border-top: 0; color: var(--ink-3); font-weight: 400; padding-top: 0; }
.compare td:first-child { color: var(--ink-2); }

/* ---- Über uns ---- */
.about__facts { margin: 0; padding: 0; list-style: none; }
@media (max-width: 860px) { .about__facts { margin-top: 1rem; } }
.about__facts li { padding: .9rem 0; border-top: 1px solid var(--line); }
.about__facts strong { font-weight: 500; display: block; }

/* ---- Kontakt ---- */
.contact { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2.5rem, 6vw, 6rem); }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } }
.contact__direct { margin: 1.5rem 0 0; }
.contact__direct a { font-size: 1.35rem; font-weight: 300; text-decoration: none; border-bottom: 1px solid var(--line); }
.contact__direct a:hover { border-bottom-color: var(--ink); }
.contact__direct address { font-style: normal; color: var(--ink-2); margin-top: 1rem; }

.form { display: grid; gap: 1.25rem; }
.form label { display: block; font-weight: 500; margin-bottom: .35rem; }
.form input, .form select, .form textarea {
  width: 100%;
  font: inherit;
  padding: .75rem .9rem;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 0;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--black); outline-offset: 0; border-color: var(--black); }
.form textarea { min-height: 9rem; resize: vertical; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 560px) { .form .row { grid-template-columns: 1fr; } }
.form .check { display: flex; gap: .75rem; align-items: flex-start; font-size: var(--fs-small); color: var(--ink-2); }
.form .check input { width: auto; margin-top: .3rem; }
.form .check label { font-weight: 400; margin: 0; }
.form .hp { position: absolute; left: -9999px; }
.form__note { font-size: var(--fs-small); color: var(--ink-3); margin: 0; }
.notice { padding: 1rem 1.25rem; border: 1px solid var(--black); margin-bottom: 1.5rem; }
.notice[hidden] { display: none; }

/* ---- Footer ---- */
.footer { padding-block: 3.5rem 2.5rem; font-size: var(--fs-small); color: var(--on-black-2); }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem 3rem; align-items: flex-end; }
.footer address { font-style: normal; }
.footer ul { display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.footer a { text-decoration: none; }
.footer a:hover { text-decoration: underline; }
.footer .brand { color: var(--white); margin-bottom: .75rem; }

/* ---- Textseiten (Impressum, Datenschutz) ---- */
.page { padding-block: 9rem var(--section); }
.page h1 { font-size: var(--fs-h2); font-weight: 200; margin-bottom: 1.5rem; }
.page h2 { font-size: 1.5rem; font-weight: 500; margin: 2.5rem 0 .75rem; letter-spacing: 0; }
.page h3 { font-size: 1.15rem; margin: 1.5rem 0 .5rem; }
.page p, .page li { max-width: var(--measure); }
.page ul { padding-left: 1.2rem; }
.page address { font-style: normal; margin-bottom: 1em; }

/* ---- Projekte mit Screenshot ---- */
.projects { list-style: none; margin: 0; padding: 0; display: grid; gap: clamp(3rem, 7vw, 6rem); }
.project {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
}
.project__media a { display: block; }
.project__media img {
  width: 100%;
  border: 1px solid var(--line);
  aspect-ratio: 1440 / 1000;
  object-fit: cover;
  object-position: top;
}
.project__media--two { display: grid; gap: 1rem; }
.project__media--two a:last-child { width: 62%; margin-left: auto; margin-top: -8%; box-shadow: 0 0 0 10px var(--paper); }
.project__body { position: sticky; top: 6rem; }
.project__body h3 { font-size: 1.6rem; font-weight: 400; letter-spacing: -0.01em; }
.project__kind { color: var(--ink-2); margin: .35em 0 1em; }
.project__body .meta { color: var(--ink-3); font-size: var(--fs-small); }
.project__body .meta a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); }
.project__body .meta a:hover { border-bottom-color: var(--ink); }
@media (max-width: 860px) {
  .project { grid-template-columns: 1fr; }
  .project__body { position: static; }
}

/* ---- Ablauf neue Website ---- */
.timeline {
  counter-reset: step;
  list-style: none; margin: 1.5rem 0 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1.5rem;
}
.timeline li { counter-increment: step; border-top: 1px solid var(--ink); padding-top: 1rem; }
.timeline li::before {
  content: counter(step);
  display: block;
  font-size: 2rem; font-weight: 200; line-height: 1;
  color: var(--ink-3);
  margin-bottom: .6rem;
}
.timeline h4 { margin: 0 0 .35em; font-size: 1.05rem; font-weight: 500; }
.timeline p { margin: 0; font-size: var(--fs-small); color: var(--ink-2); }
@media (max-width: 860px) { .timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .timeline { grid-template-columns: 1fr; } }

/* ---- Websoftware ---- */
.software {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem clamp(2rem, 5vw, 5rem);
}
.software h3 { margin-bottom: .4em; }
.software p { margin: 0; color: var(--on-black-2); }
@media (max-width: 700px) { .software { grid-template-columns: 1fr; } }
.dark .rows h3 { color: var(--white); }
.dark .rows p { color: var(--on-black-2); }
.dark .note { color: var(--on-black-3); }

/* Kompakte Zeilen im Software-Teaser */
.rows--compact > li { padding: .85rem 0; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 1rem; }
.rows--compact h3 { font-size: 1.05rem; }
.rows--compact p { margin: 0; font-size: 1rem; }