/* 00-base.css — generated from the former monolithic stylesheet. */

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  --bg: #050607;
  --panel: #0a0b0d;
  --panel-raised: #0d0f12;
  --text: #eeeeea;
  --text-soft: #c8c9c6;
  --muted: #898f98;
  --line: #24272b;
  --line-soft: rgba(255, 255, 255, 0.075);
  --blue: #78bce8;
  --orange: #d66a4a;
  --yellow: #cdb65b;
  --font-sans: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --page: min(calc(100vw - 2rem), 1180px);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.18, 1.6, 0.36, 1);
}

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

html {
  background: var(--bg);
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.signal-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  opacity: 0.78;
  pointer-events: none;
}

.intro-curtain {
  display: none;
}

.js .intro-curtain {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  grid-template-columns: 1fr;
  align-items: end;
  padding: clamp(1.25rem, 4vw, 4rem);
  overflow: hidden;
  background: #050607;
  transform-origin: top;
  transition: clip-path 950ms 720ms var(--ease-out), visibility 0s 1.7s;
  clip-path: inset(0 0 0 0);
}

.js .intro-curtain::before,
.js .intro-curtain::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.js .intro-curtain::before {
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: intro-grid 1.2s var(--ease-out) both;
}

.js .intro-curtain::after {
  top: 0;
  bottom: 0;
  left: 0;
  width: 1px;
  background: var(--blue);
  box-shadow: 0 0 2rem rgba(120, 188, 232, 0.85);
  animation: intro-scan-x 1.25s 100ms var(--ease-out) both;
}

.intro-curtain__copy {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.7rem;
  width: min(36vw, 25rem);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-align: right;
}

.intro-curtain__copy i {
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--orange), var(--yellow));
  transform-origin: left;
  animation: intro-load 650ms 180ms var(--ease-out) both;
}

.is-ready .intro-curtain {
  visibility: hidden;
  clip-path: inset(0 0 100% 0);
}

.is-ready.language-cover .intro-curtain,
.is-ready.language-reveal .intro-curtain {
  visibility: visible;
  transition-delay: 0s;
}

.is-ready.language-cover .intro-curtain {
  clip-path: inset(0 0 0 0);
  transition: clip-path 420ms var(--ease-out), visibility 0s;
}

.is-ready.language-reveal .intro-curtain {
  clip-path: inset(0 0 100% 0);
  transition: clip-path 620ms var(--ease-out), visibility 0s 620ms;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 0;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.024) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black 0 72%, transparent 100%);
}

body::after {
  position: fixed;
  inset: 0;
  z-index: 0;
  content: "";
  pointer-events: none;
  background:
    radial-gradient(600px circle at 72% 14%, rgba(120, 188, 232, 0.045), transparent 70%),
    radial-gradient(480px circle at 14% 70%, rgba(214, 106, 74, 0.025), transparent 75%);
}

::selection {
  color: var(--bg);
  background: var(--blue);
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
  font: inherit;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: var(--bg);
  background: var(--text);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

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

.page-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 80;
  height: 2px;
  pointer-events: none;
}

.page-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--orange), var(--yellow));
  transform: scaleX(0);
  transform-origin: left;
  will-change: transform;
}

.topbar,
.portfolio,
.site-footer {
  width: var(--page);
  margin-inline: auto;
}

.portfolio,
.site-footer,
.legal-topbar,
.legal-layout {
  position: relative;
  z-index: 2;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  padding-inline: 1.25rem;
  border: 1px solid transparent;
  border-bottom-color: var(--line-soft);
  background: rgba(5, 6, 7, 0.82);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, background-color 180ms ease;
}

.topbar.is-scrolled {
  border-color: var(--line);
  background: rgba(8, 9, 11, 0.94);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.75rem;
  text-decoration: none;
}

.brand__name {
  color: var(--text-soft);
  font-size: 0.875rem;
  font-weight: 650;
}

.topbar-tools {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  min-height: 2.75rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--line);
  background: rgba(7, 8, 9, 0.78);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.language-toggle i {
  color: #454a51;
  font-style: normal;
}

.language-toggle:hover,
.language-toggle:focus-visible {
  border-color: rgba(120, 188, 232, 0.55);
  background: #0e1114;
}

html[lang="de"] .language-toggle [data-language-option="de"],
html[lang="en"] .language-toggle [data-language-option="en"] {
  color: var(--blue);
}

.language-toggle:disabled {
  cursor: wait;
  opacity: 0.7;
}

.no-js .language-toggle {
  display: none;
}

.primary-navigation {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.primary-navigation a {
  position: relative;
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 160ms ease;
}

.primary-navigation a:hover,
.primary-navigation a:focus-visible,
.primary-navigation a[aria-current="location"] {
  color: var(--text);
}

.primary-navigation a:not(.nav-contact)::after {
  position: absolute;
  inset: auto 0 -0.55rem;
  height: 1px;
  content: "";
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.primary-navigation a:hover::after,
.primary-navigation a:focus-visible::after,
.primary-navigation a[aria-current="location"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

.subpage-navigation a {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 2.75rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line);
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.subpage-navigation a:hover,
.subpage-navigation a:focus-visible {
  border-color: rgba(120, 188, 232, 0.55);
  color: var(--blue);
  background: #0e1114;
}

.subpage-navigation i {
  color: var(--blue);
  font-style: normal;
}

.nav-contact {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
}

.nav-contact span,
.system-label span {
  width: 0.38rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 0 rgba(120, 188, 232, 0.35);
  animation: status-pulse 4s ease-out infinite;
}

.menu-toggle {
  display: none;
}

.portfolio {
  position: relative;
  margin-top: 1rem;
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.panel {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(10, 11, 13, 0.82);
}