/* ------------------------------------------------------------------
   projektfarm GmbH — Stylesheet
   Farben, Typografie, Layout. Keine externen Ressourcen.
   ------------------------------------------------------------------ */

/* --- Tokens: Dark ist der Ausgangszustand ------------------------- */
:root {
  color-scheme: dark;

  --bg:          #0e1211;
  --bg-alt:      #121716;
  --surface:     #161c1a;
  --surface-2:   #1b2220;
  --line:        #262e2b;
  --line-strong: #35403c;
  --text:        #e7ece9;
  --text-dim:    #a3afaa;
  --text-faint:  #71807a;
  --accent:      #5fc98d;
  --accent-ink:  #0b1310;
  --accent-soft: rgba(95, 201, 141, .13);
  --shadow:      0 1px 2px rgba(0,0,0,.4), 0 18px 40px -24px rgba(0,0,0,.85);

  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --wrap: 1160px;
  --gutter: clamp(1.25rem, 4vw, 2.75rem);
  --radius: 10px;
  --radius-sm: 6px;
}

:root[data-theme="light"] {
  color-scheme: light;

  --bg:          #f6f5f1;
  --bg-alt:      #efeee8;
  --surface:     #ffffff;
  --surface-2:   #f3f2ec;
  --line:        #e0ded4;
  --line-strong: #c9c7ba;
  --text:        #141a18;
  --text-dim:    #4d5853;
  --text-faint:  #78827c;
  --accent:      #14804a;
  --accent-ink:  #ffffff;
  --accent-soft: rgba(20, 128, 74, .09);
  --shadow:      0 1px 2px rgba(20,26,24,.06), 0 16px 34px -22px rgba(20,26,24,.4);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6.5rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-wrap: break-word;
}

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

a { color: inherit; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -.022em;
}

p { margin: 0 0 1.05em; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0 0 1.05em; padding-left: 1.25em; }
li { margin-bottom: .35em; }

::selection { background: var(--accent); color: var(--accent-ink); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--accent);
  color: var(--accent-ink);
  padding: .7rem 1.1rem;
  font-weight: 600;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* --- Hilfsklassen ------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 1.1rem;
  display: flex;
  align-items: center;
  gap: .7rem;
}
.eyebrow::before {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: var(--accent);
  flex: none;
}

.lede {
  font-size: clamp(1.06rem, 1.6vw, 1.2rem);
  color: var(--text-dim);
  max-width: 58ch;
}

section { padding-block: clamp(4rem, 9vw, 7.5rem); }
section + section { padding-top: 0; }

/* --- Buttons ------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .78rem 1.35rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: -.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform .16s ease, background-color .16s ease, border-color .16s ease, color .16s ease, filter .16s ease;
}
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { filter: brightness(1.08); }

.btn--ghost { border-color: var(--line-strong); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn svg { width: 1em; height: 1em; }

/* --- Kopfzeile ---------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.site-header.is-stuck { border-bottom-color: var(--line); }

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 4.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -.03em;
  font-size: 1.06rem;
  margin-right: auto;
  padding: .35rem 0;
}
.brand__mark { width: 1.6rem; height: 1.6rem; flex: none; }
.brand__mark .rows { fill: var(--accent); }
.brand__name { color: var(--text); }
.brand__name b { font-weight: 600; color: var(--accent); }

.nav { display: flex; align-items: center; gap: 1.9rem; }

.nav__list {
  display: flex;
  align-items: center;
  gap: 1.9rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__list li { margin: 0; }
.nav__list a {
  text-decoration: none;
  font-size: .945rem;
  color: var(--text-dim);
  padding: .3rem 0;
  position: relative;
  transition: color .16s ease;
}
.nav__list a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -.15rem;
  height: 1px;
  background: var(--accent);
  transition: right .22s ease;
}
.nav__list a:hover, .nav__list a.is-active { color: var(--text); }
.nav__list a:hover::after, .nav__list a.is-active::after { right: 0; }

.nav__tools {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding-left: 1.4rem;
  border-left: 1px solid var(--line);
}

.lang {
  display: inline-flex;
  align-items: stretch;
  margin: 0;
  height: 2.15rem;
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .06em;
  line-height: 1;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.lang a, .lang span {
  display: inline-flex;
  align-items: center;
  padding: 0 .55rem;
  text-decoration: none;
  color: var(--text-faint);
  transition: color .16s ease, background-color .16s ease;
}
.lang a:hover { color: var(--text); background: var(--surface-2); }
.lang .is-current { color: var(--accent); background: var(--accent-soft); font-weight: 500; }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0;
  transition: color .16s ease, border-color .16s ease, background-color .16s ease;
}
.icon-btn:hover { color: var(--text); border-color: var(--line-strong); background: var(--surface-2); }
.icon-btn svg { width: 1.05rem; height: 1.05rem; }

/* Sonne im Light-Mode, Mond im Dark-Mode */
.icon-sun { display: none; }
:root[data-theme="light"] .icon-sun { display: block; }
:root[data-theme="light"] .icon-moon { display: none; }

.nav-toggle { display: none; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

/* --- Hero --------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(3.5rem, 8vw, 6rem) clamp(3.5rem, 7vw, 5.5rem);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto -10%;
  height: 75%;
  background: radial-gradient(55% 65% at 32% 45%, var(--accent-soft), transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 84px 84px;
  opacity: .35;
  mask-image: radial-gradient(115% 85% at 72% 0%, #000 8%, transparent 70%);
  -webkit-mask-image: radial-gradient(115% 85% at 72% 0%, #000 8%, transparent 70%);
  pointer-events: none;
}
.hero > .wrap { position: relative; }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.24fr) minmax(0, .76fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.3rem);
  letter-spacing: -.035em;
  margin-bottom: 1.4rem;
  max-width: 20ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
  /* hält "Linux-Server" am Bindestrich zusammen */
  white-space: nowrap;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 2.2rem;
}

.hero__meta {
  margin-top: 2.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1.7rem;
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--text-faint);
  letter-spacing: .02em;
}
.hero__meta span { display: inline-flex; align-items: center; gap: .5rem; }
.hero__meta span::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

/* Terminalkarte */
.terminal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  font-family: var(--mono);
  font-size: .8rem;
  line-height: 1.8;
}
.terminal__bar {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .65rem .85rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}
.terminal__dot {
  width: .58rem; height: .58rem;
  border-radius: 50%;
  background: var(--line-strong);
}
.terminal__title {
  margin-left: .5rem;
  font-size: .72rem;
  color: var(--text-faint);
  letter-spacing: .04em;
}
.terminal__body {
  padding: 1.05rem 1.1rem 1.3rem;
  margin: 0;
  white-space: pre-wrap;
  overflow-x: auto;
}
.terminal__body .c-prompt { color: var(--accent); }
.terminal__body .c-dim { color: var(--text-faint); }
.terminal__body .c-out { color: var(--text-dim); }
.cursor {
  display: inline-block;
  width: .5em;
  height: 1.05em;
  vertical-align: -.18em;
  background: var(--accent);
  animation: blink 1.15s steps(2, start) infinite;
}
@keyframes blink { to { visibility: hidden; } }

/* --- Abschnittskopf ----------------------------------------------- */
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.25rem, 4vw, 4rem);
  align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 3.75rem);
}
.section-head h2 {
  font-size: clamp(1.7rem, 3.3vw, 2.3rem);
  max-width: 19ch;
}
.section-head p { margin: 0; }

/* --- Leistungen --------------------------------------------------- */
.services { border-top: 1px solid var(--line); }
.service {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 19rem) minmax(0, 1fr);
  gap: .75rem 2.5rem;
  padding: 2.1rem 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.service__num {
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--text-faint);
  letter-spacing: .05em;
}
.service h3 { font-size: 1.22rem; letter-spacing: -.02em; }
.service p { color: var(--text-dim); margin: 0; font-size: 1rem; }
.service ul {
  list-style: none;
  padding: 0;
  margin: .95rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .45rem;
}
.service li { margin: 0; }
.service li span {
  display: inline-block;
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--text-faint);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .17rem .62rem;
}

/* --- Projekte ----------------------------------------------------- */
.projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 21rem), 1fr));
  gap: 1.4rem;
}
.project {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.85rem 1.75rem 1.6rem;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.project:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.project__head {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: 1.1rem;
}
.project__logo {
  width: 2.5rem; height: 2.5rem;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  flex: none;
}
.project__logo svg { width: 1.35rem; height: 1.35rem; }
.project h3 { font-size: 1.16rem; }
.project__url {
  display: block;
  font-family: var(--mono);
  font-size: .74rem;
  color: var(--text-faint);
  letter-spacing: .02em;
  margin-top: .15rem;
}
.project p { color: var(--text-dim); font-size: .99rem; }
.project__link {
  margin-top: auto;
  padding-top: 1.3rem;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .9rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  align-self: flex-start;
}
.project__link svg { width: .85em; height: .85em; transition: transform .18s ease; }
.project:hover .project__link svg { transform: translate(2px, -2px); }
.project__link::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

/* --- Arbeitsweise ------------------------------------------------- */
.approach-band {
  background: var(--bg-alt);
  border-block: 1px solid var(--line);
}
.approach {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 2.2rem 2.8rem;
}
.approach h3 {
  font-size: 1.02rem;
  margin-bottom: .55rem;
  display: flex;
  align-items: center;
  gap: .6rem;
}
.approach h3::before {
  content: "";
  width: .42rem; height: .42rem;
  background: var(--accent);
  transform: rotate(45deg);
  flex: none;
}
.approach p { color: var(--text-dim); font-size: .97rem; margin: 0; }

/* --- Kontakt ------------------------------------------------------ */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.contact-intro h2 {
  font-size: clamp(1.7rem, 3.3vw, 2.3rem);
  max-width: 16ch;
}
.contact-intro .lede { margin-top: 1.2rem; }

.contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 3vw, 2.2rem);
}
.contact-card dl { margin: 0; display: grid; gap: 1.35rem; }
.contact-card dt {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: .3rem;
}
.contact-card dd { margin: 0; font-size: 1.02rem; }
.contact-card dd a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
  transition: color .16s ease, border-color .16s ease;
}
.contact-card dd a:hover { color: var(--accent); border-color: var(--accent); }
.contact-card address { font-style: normal; }

/* --- Fußzeile ----------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 3rem 2.25rem;
  background: var(--bg-alt);
}
.site-footer__top {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}
.site-footer__cols {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem 4rem;
}
.site-footer h2 {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: .85rem;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .45rem; }
.site-footer a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: .93rem;
  transition: color .16s ease;
}
.site-footer a:hover { color: var(--accent); }
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.5rem;
  justify-content: space-between;
  padding-top: 1.5rem;
  font-size: .8rem;
  color: var(--text-faint);
  font-family: var(--mono);
  letter-spacing: .02em;
}
.site-footer__brand p {
  color: var(--text-dim);
  font-size: .93rem;
  max-width: 32ch;
  margin: .85rem 0 0;
}

/* --- Rechtstexte -------------------------------------------------- */
.page-header {
  padding-block: clamp(3rem, 7vw, 4.5rem) clamp(1.75rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--line);
}
.page-header h1 {
  font-size: clamp(1.9rem, 4.2vw, 2.7rem);
  letter-spacing: -.03em;
}
.page-header p { margin: 1rem 0 0; color: var(--text-dim); max-width: 60ch; }

.legal { padding-block: clamp(2.5rem, 6vw, 4rem) 0; }
.legal__layout {
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.legal__toc {
  position: sticky;
  top: 6.5rem;
  border-left: 1px solid var(--line);
  padding-left: 1.25rem;
}
.legal__toc h2 {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: .9rem;
}
.legal__toc ul { list-style: none; margin: 0; padding: 0; }
.legal__toc li { margin-bottom: .5rem; }
.legal__toc a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: .9rem;
  transition: color .16s ease;
}
.legal__toc a:hover { color: var(--accent); }

.prose { max-width: 72ch; }
.prose h2 {
  font-size: 1.45rem;
  margin: 2.9rem 0 1rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 6.5rem;
}
.prose > h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.prose h3 { font-size: 1.08rem; margin: 2rem 0 .7rem; }
.prose h4 {
  font-size: .95rem;
  margin: 1.5rem 0 .5rem;
  color: var(--text);
  font-weight: 600;
}
.prose p, .prose li { color: var(--text-dim); font-size: 1rem; }
.prose strong { color: var(--text); font-weight: 600; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.prose address {
  font-style: normal;
  color: var(--text);
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
  margin: 1.25rem 0;
  line-height: 1.75;
}
.prose .caps {
  font-size: .92rem;
  color: var(--text-faint);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem;
}

/* --- 404 ---------------------------------------------------------- */
.notfound {
  min-height: 55vh;
  display: grid;
  place-content: center;
  justify-items: start;
  gap: 1rem;
}
.nav__tools--bare { border-left: 0; padding-left: 0; }
.site-footer__bottom--flush { padding-top: 0; }

.notfound h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); }
.notfound .code {
  font-family: var(--mono);
  font-size: clamp(3rem, 11vw, 5.5rem);
  color: var(--accent);
  letter-spacing: -.04em;
  line-height: 1;
}

/* --- Reveal ------------------------------------------------------- */
.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s cubic-bezier(.2,.6,.2,1), transform .6s cubic-bezier(.2,.6,.2,1);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

/* --- Responsive --------------------------------------------------- */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero h1 { max-width: 20ch; }
  .section-head { grid-template-columns: 1fr; align-items: start; }
  .contact-grid { grid-template-columns: 1fr; }
  .service { grid-template-columns: 3rem minmax(0, 1fr); }
  .service__num { grid-row: span 2; }
  .legal__layout { grid-template-columns: 1fr; }
  .legal__toc { position: static; }
}

@media (max-width: 780px) {
  .nav-toggle { display: inline-grid; order: 3; }
  .nav {
    position: fixed;
    inset: 4.5rem 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 1rem var(--gutter) 1.6rem;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .18s ease, transform .18s ease, visibility .18s;
    box-shadow: var(--shadow);
  }
  .nav[data-open="true"] { opacity: 1; visibility: visible; transform: none; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__list li { border-bottom: 1px solid var(--line); }
  .nav__list a { display: block; padding: .85rem 0; font-size: 1.02rem; }
  .nav__list a::after { display: none; }
  .nav__tools { border-left: 0; padding-left: 0; padding-top: 1.1rem; }
  .site-header__inner { gap: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .site-footer, .legal__toc { display: none; }
  .hero::before, .hero::after { display: none; }
  body { background: #fff; color: #000; }
}