/* ============================================================
   Niklas Homann | App Entwicklung — niklashomann.de
   Ein statisches Stylesheet, keine Abhängigkeiten.
   ============================================================ */

/* ---------- Font: Archivo (variable, selbst gehostet) ---------- */
@font-face {
  font-family: "Archivo";
  src: url("fonts/archivo-var.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-style: normal;
  font-display: swap;
}

/* ---------- Token ---------- */
:root {
  /* Fallbacks (hex), dann OKLCH */
  --ink: #121d4a;
  --ink-deep: #0d1638;
  --paper: #f6f9fd;
  --mist: #949dc1;
  --text: #2a3154;
  --text-soft: #565e82;
  --line: #dde3ef;
  --line-on-ink: #2e3a6e;
  --ice: #f0f7ff;
  --signal: #deb274;

  --ink: oklch(0.28 0.085 272);
  --ink-deep: oklch(0.23 0.075 272);
  --paper: oklch(0.982 0.006 250);
  --mist: oklch(0.71 0.055 278);
  --text: oklch(0.31 0.05 272);
  --text-soft: oklch(0.48 0.035 272);
  --line: oklch(0.9 0.015 268);
  --line-on-ink: oklch(0.38 0.07 272);
  --ice: oklch(0.972 0.012 240);
  --signal: oklch(0.78 0.1 78);

  --font: "Archivo", system-ui, "Segoe UI", Roboto, sans-serif;
  --w: min(1080px, 100% - 3rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--paper);
  font-optical-sizing: auto;
}

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

a {
  color: inherit;
}

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

/* ---------- Utilities ---------- */
.wrap {
  width: var(--w);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ice);
  color: var(--ink);
  padding: 0.6rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

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

/* ============================================================
   Header (sticky, verschmilzt am Seitenanfang mit dem Navy-Hero)
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--ink);
  padding: 0.85rem 0;
  transition: box-shadow 200ms var(--ease);
}

.site-header.scrolled {
  box-shadow:
    0 1px 0 var(--line-on-ink),
    0 14px 30px -18px oklch(0.1 0.05 272 / 0.7);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--ice);
  font-weight: 620;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.brand img {
  height: 40px;
  width: auto;
}

.brand small {
  display: block;
  font-size: 0.72rem;
  font-weight: 480;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--mist);
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 2.2vw, 1.7rem);
  font-size: 0.92rem;
  font-weight: 500;
}

.site-nav a {
  color: var(--mist);
  text-decoration: none;
  transition: color 150ms var(--ease);
}

.site-nav a:hover {
  color: var(--ice);
}

.site-nav a.nav-cta {
  color: var(--ink);
  background: var(--ice);
  padding: 0.5rem 1.05rem;
  border-radius: 6px;
}

.site-nav a.nav-cta:hover {
  background: #fff;
  color: var(--ink);
}

.site-nav a.nav-lang {
  border: 1px solid var(--line-on-ink);
  border-radius: 6px;
  padding: 0.4rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.site-nav a.nav-lang:hover {
  border-color: var(--mist);
  color: var(--ice);
}

@media (max-width: 760px) {
  .site-nav a:not(.nav-cta):not(.nav-lang) {
    display: none;
  }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  background: linear-gradient(178deg, var(--ink) 60%, var(--ink-deep));
  color: var(--ice);
  padding-top: clamp(3.2rem, 7vw, 5.5rem);
  overflow: hidden;
}

/* Anker-Ziele nicht unter dem Sticky-Header verschwinden lassen */
section {
  scroll-margin-top: 4.8rem;
}

/* Konstruktions-Geometrie aus dem Logo, sehr leise */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(var(--line-on-ink) 0 0) no-repeat right 41% top 0 / 1px 100%,
    linear-gradient(var(--line-on-ink) 0 0) no-repeat left 0 bottom 0 / 100% 1px;
  opacity: 0.45;
  pointer-events: none;
}

@media (max-width: 860px) {
  .hero::before {
    background: linear-gradient(var(--line-on-ink) 0 0) no-repeat left 0 bottom 0 / 100% 1px;
  }
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.avail {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--mist);
  border: 1px solid var(--line-on-ink);
  padding: 0.42rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.6rem;
}

.avail::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px oklch(0.78 0.1 78 / 0.22);
}

.hero h1 {
  font-size: clamp(2.5rem, 6.2vw, 4.35rem);
  line-height: 1.02;
  font-weight: 700;
  font-stretch: 108%;
  letter-spacing: -0.022em;
  text-wrap: balance;
}

.hero h1 .dim {
  color: var(--mist);
}

.hero .lead {
  margin-top: 1.5rem;
  max-width: 34em;
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 1.65;
  color: oklch(0.87 0.03 262);
}

.hero .lead strong {
  color: var(--ice);
  font-weight: 600;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.2rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  padding: 0.82rem 1.45rem;
  border-radius: 6px;
  transition: background 150ms var(--ease), color 150ms var(--ease), border-color 150ms var(--ease);
}

.btn-primary {
  background: var(--ice);
  color: var(--ink);
}

.btn-primary:hover {
  background: #fff;
}

.btn-ghost {
  color: var(--ice);
  border: 1px solid var(--line-on-ink);
}

.btn-ghost:hover {
  border-color: var(--mist);
}

.link-quiet {
  color: var(--mist);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.link-quiet:hover {
  color: var(--ice);
  border-bottom-color: var(--mist);
}

/* Porträt */
.portrait {
  justify-self: end;
  position: relative;
  width: min(100%, 360px);
}

.portrait img {
  width: 100%;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, oklch(0.42 0.08 272), var(--ink-deep) 70%);
  box-shadow: 0 30px 80px -20px oklch(0.1 0.05 272 / 0.8);
}

.portrait figcaption {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--mist);
  letter-spacing: 0.04em;
}

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .portrait {
    justify-self: start;
    width: min(58vw, 260px);
    order: -1;
  }

  .portrait figcaption {
    display: none;
  }
}

/* Belege-Leiste im Hero */
.proof {
  position: relative;
  border-top: 1px solid var(--line-on-ink);
  padding: 1.4rem 0 1.6rem;
}

.proof ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, auto);
  justify-content: space-between;
  gap: 1rem 2.5rem;
}

.proof li {
  font-size: 0.95rem;
  color: var(--mist);
}

.proof li strong {
  display: block;
  color: var(--ice);
  font-weight: 640;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
}

@media (max-width: 760px) {
  .proof ul {
    grid-template-columns: 1fr 1fr;
    justify-content: start;
  }
}

/* ============================================================
   Sektionen (Papier)
   ============================================================ */
section.block {
  padding: clamp(3.6rem, 8vw, 6.2rem) 0 0;
}

section.block:last-of-type {
  padding-bottom: clamp(3.6rem, 8vw, 6.2rem);
}

.sec-head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 1.2rem;
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
  margin-bottom: clamp(1.8rem, 4vw, 3rem);
}

.sec-head .no {
  font-weight: 620;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.sec-head h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 680;
  font-stretch: 106%;
  letter-spacing: -0.015em;
  line-height: 1.1;
  color: var(--ink);
}

.sec-head p {
  grid-column: 2;
  max-width: 46em;
  color: var(--text-soft);
  margin-top: 0.7rem;
}

/* ---------- Leistungen ---------- */
.services {
  display: grid;
  gap: 0;
}

.service {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 0.85fr) minmax(0, 1fr);
  gap: 1rem 2rem;
  padding: 1.7rem 0;
  border-top: 1px solid var(--line);
}

.service:first-child {
  border-top: 0;
}

.service .no {
  color: var(--mist);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  padding-top: 0.2rem;
}

.service h3 {
  font-size: 1.32rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.25;
}

.service h3 small {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-soft);
  letter-spacing: 0.02em;
  margin-top: 0.3rem;
}

.service p {
  color: var(--text-soft);
  max-width: 52ch;
}

@media (max-width: 760px) {
  .service {
    grid-template-columns: 3rem 1fr;
  }

  .service p {
    grid-column: 2;
  }
}

/* ---------- Projekte (Ledger) ---------- */
.projects {
  counter-reset: proj;
}

.project {
  display: grid;
  grid-template-columns: 10.5rem minmax(0, 1fr);
  gap: 0.6rem 2rem;
  padding: 1.9rem 0;
  border-top: 1px solid var(--line);
}

.project:first-child {
  border-top: 0;
}

.project .meta {
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.5;
}

.project .meta time {
  display: block;
  font-weight: 620;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.project h3 {
  font-size: 1.28rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.3;
}

.project h3 span {
  color: var(--text-soft);
  font-weight: 500;
}

.project .desc {
  margin-top: 0.55rem;
  color: var(--text-soft);
  max-width: 68ch;
}

.project .desc strong {
  color: var(--text);
  font-weight: 620;
}

.project .tech {
  margin-top: 0.8rem;
  font-size: 0.85rem;
  color: var(--mist);
  letter-spacing: 0.02em;
}

@media (max-width: 700px) {
  .project {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
}

.after-list {
  margin-top: 1.6rem;
  font-size: 0.95rem;
  color: var(--text-soft);
}

.after-list a {
  color: var(--ink);
  font-weight: 550;
  text-decoration-color: var(--mist);
  text-underline-offset: 3px;
}

/* ---------- Stimmen ---------- */
.quotes {
  display: grid;
  gap: clamp(2.2rem, 5vw, 3.4rem);
}

.quote {
  max-width: 56em;
}

.quote:nth-child(even) {
  justify-self: end;
  text-align: left;
}

.quote blockquote {
  font-size: clamp(1.18rem, 2.1vw, 1.5rem);
  line-height: 1.45;
  font-weight: 520;
  letter-spacing: -0.008em;
  color: var(--ink);
  text-wrap: pretty;
}

.quote blockquote::before {
  content: "„";
  color: var(--mist);
  font-weight: 700;
}

.quote blockquote::after {
  content: "“";
  color: var(--mist);
  font-weight: 700;
}

.quote.en blockquote::before {
  content: "“";
}

.quote.en blockquote::after {
  content: "”";
}

.quote figcaption {
  margin-top: 0.9rem;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.quote figcaption strong {
  color: var(--text);
  font-weight: 620;
}

/* ---------- Über mich ---------- */
.about {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.about .prose p + p {
  margin-top: 1.1rem;
}

.about .prose {
  max-width: 62ch;
}

.about .prose strong {
  font-weight: 620;
  color: var(--ink);
}

.fact-rail {
  border-top: 2px solid var(--ink);
  font-size: 0.95rem;
}

.fact-rail dl {
  margin: 0;
}

.fact-rail dt {
  font-weight: 640;
  color: var(--ink);
  font-size: 0.82rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding-top: 1.2rem;
}

.fact-rail dd {
  margin: 0.45rem 0 1.1rem;
  color: var(--text-soft);
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.1rem;
}

.fact-rail dd:last-child {
  border-bottom: 0;
}

.fact-rail ul {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.fact-rail li b {
  color: var(--text);
  font-weight: 570;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 860px) {
  .about {
    grid-template-columns: 1fr;
  }
}

/* ---------- Stack ---------- */
.stack-group {
  display: grid;
  grid-template-columns: 11.5rem minmax(0, 1fr);
  gap: 0.8rem 2rem;
  padding: 1.35rem 0;
  border-top: 1px solid var(--line);
}

.stack-group:first-child {
  border-top: 0;
}

.stack-group h3 {
  font-size: 0.85rem;
  font-weight: 640;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink);
  padding-top: 0.35rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
}

.chips li {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.3rem 0.7rem;
  background: #fff;
  background: oklch(1 0.003 250);
}

.chips li.hot {
  border-color: var(--ink);
  color: var(--ink);
  font-weight: 600;
}

@media (max-width: 700px) {
  .stack-group {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
}

/* ---------- FAQ ---------- */
.faq {
  max-width: 780px;
}

.faq details {
  border-top: 1px solid var(--line);
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.15rem 0.2rem;
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--ink);
  transition: color 150ms var(--ease);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  font-weight: 500;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--mist);
  transition: rotate 200ms var(--ease);
}

.faq details[open] summary::after {
  rotate: 45deg;
}

.faq details p {
  padding: 0 0.2rem 1.3rem;
  color: var(--text-soft);
  max-width: 62ch;
}

.faq details p a {
  color: var(--ink);
  text-underline-offset: 3px;
}

/* ============================================================
   Kontakt (Navy) + Footer
   ============================================================ */
.contact {
  background: linear-gradient(182deg, var(--ink), var(--ink-deep));
  color: var(--ice);
  padding: clamp(3.5rem, 8vw, 6rem) 0 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

.contact h2 {
  font-size: clamp(2rem, 4.6vw, 3.2rem);
  font-weight: 700;
  font-stretch: 108%;
  letter-spacing: -0.02em;
  line-height: 1.05;
  text-wrap: balance;
}

.contact .sub {
  margin-top: 1.2rem;
  color: var(--mist);
  max-width: 36em;
  font-size: 1.05rem;
}

.contact-actions {
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.contact-actions .primary-mail {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 640;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  justify-self: start;
  padding-bottom: 0.15rem;
}

.contact-actions .primary-mail:hover {
  color: #fff;
}

.contact-actions .alt {
  color: var(--mist);
  font-size: 0.95rem;
}

.contact-actions .alt a {
  color: var(--ice);
  font-weight: 550;
  text-decoration-color: var(--line-on-ink);
  text-underline-offset: 3px;
}

.contact-actions .alt a:hover {
  text-decoration-color: var(--mist);
}

@media (max-width: 760px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.site-footer {
  border-top: 1px solid var(--line-on-ink);
  padding: 1.5rem 0 2rem;
  color: var(--mist);
  font-size: 0.88rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.8rem;
}

.site-footer .foot-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ice);
  font-weight: 570;
}

.site-footer .foot-brand img {
  height: 26px;
  width: auto;
}

.site-footer nav {
  margin-left: auto;
  display: flex;
  gap: 1.4rem;
}

.site-footer a {
  color: var(--mist);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--ice);
}

/* ============================================================
   Unterseiten (Impressum / Datenschutz)
   ============================================================ */
.subpage-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--ink);
  padding: 1.1rem 0;
  box-shadow: 0 1px 0 var(--line-on-ink);
}

.subpage-header .wrap {
  display: flex;
  align-items: center;
}

.subpage-header .back {
  margin-left: auto;
  color: var(--mist);
  font-size: 0.92rem;
  text-decoration: none;
}

.subpage-header .back:hover {
  color: var(--ice);
}

.legal {
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  max-width: 720px;
}

.legal h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 680;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 1.8rem;
}

.legal h2 {
  font-size: 1.25rem;
  font-weight: 650;
  color: var(--ink);
  margin: 2.2rem 0 0.6rem;
}

.legal p,
.legal ul {
  color: var(--text-soft);
  margin-bottom: 0.8rem;
}

.legal a {
  color: var(--ink);
  text-underline-offset: 3px;
}

.legal .todo {
  background: oklch(0.95 0.04 78);
  border: 1px solid var(--signal);
  border-radius: 6px;
  padding: 0.8rem 1rem;
  color: oklch(0.4 0.06 78);
  font-weight: 550;
}

/* ============================================================
   Reveal-Animation (zurückhaltend)
   ============================================================ */
/* Nur wenn JS läuft (html.js), sonst bleibt alles sichtbar */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    translate: 0 10px;
    transition: opacity 550ms var(--ease), translate 550ms var(--ease);
  }

  .js .reveal.in {
    opacity: 1;
    translate: 0 0;
  }
}

/* ---------- Druck ---------- */
@media print {
  .site-header,
  .cta-row,
  .site-footer nav,
  .faq summary::after {
    display: none;
  }

  .hero,
  .contact {
    background: none;
    color: #000;
  }
}