/* Digitale Ikonen — Tech-Lab
   Farben angelehnt an 7figurefunnels.io. Keine externen Ressourcen, keine Webfonts. */

:root {
  --bg: #040C0C;
  --bg-subtle: #081414;
  --surface: #0E1E1E;
  --card: #0B1818;
  --card-hover: #102222;
  --line: rgba(200, 208, 212, 0.10);
  --line-strong: rgba(200, 208, 212, 0.18);

  --text: #F5FAF9;
  --muted: #B3C1C0;
  --faint: #7F9392;

  --teal: #1DE6C7;
  --teal2: #00C3D8;
  --teal-dark: #0A7A8A;
  --grad: linear-gradient(135deg, #1DE6C7 0%, #00C3D8 60%, #0A7A8A 100%);

  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --wrap: 1120px;
  --gutter: clamp(16px, 4vw, 32px);
  --radius: 14px;

  color-scheme: dark;
}

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

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

body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    radial-gradient(900px 480px at 78% -8%, rgba(29, 230, 199, 0.10), transparent 70%),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: auto, 56px 56px, 56px 56px;
  background-position: 0 0, -1px -1px, -1px -1px;
  background-attachment: scroll;
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Raster nach unten ausblenden, damit Text lesbar bleibt */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, rgba(4, 12, 12, 0.55) 45%, var(--bg) 100%);
}

a { color: inherit; }
img, svg { display: block; max-width: 100%; }

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--teal);
  color: var(--bg);
  font-weight: 600;
  border-radius: 8px;
}
.skip:focus { left: 16px; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.mono { font-family: var(--mono); }

/* ─── Kopfzeile ─── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(4, 12, 12, 0.78);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand svg { width: 26px; height: 26px; flex: none; }

.brand-tag {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  border: 1px solid rgba(29, 230, 199, 0.35);
  border-radius: 999px;
  padding: 2px 8px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 8px;
  transition: color .15s ease, background-color .15s ease;
}

.nav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }

.nav .nav-cta {
  white-space: nowrap;
  color: var(--text);
  border: 1px solid var(--line-strong);
}

.nav .nav-cta:hover { border-color: rgba(29, 230, 199, 0.5); }

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

@media (max-width: 440px) {
  .brand-tag { display: none; }
  .nav .nav-cta { padding: 7px 10px; font-size: 13px; }
}

/* ─── Allgemeine Abschnitte ─── */

section { padding: clamp(64px, 10vw, 112px) 0; }
section + section { border-top: 1px solid var(--line); }

.eyebrow {
  display: block;
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--teal);
}

.eyebrow::before {
  content: "// ";
  color: var(--faint);
}

h1, h2, h3 {
  margin: 0;
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.1;
  text-wrap: balance;
}

h1 { font-size: clamp(34px, 5.6vw, 62px); }

.hero h1 { max-width: 22ch; }
.hero h1 .line { display: block; }
.hero h1 .line + .line { color: var(--muted); }
h2 { font-size: clamp(28px, 4.2vw, 42px); }
h3 { font-size: 20px; letter-spacing: -0.015em; line-height: 1.25; }

p { margin: 0; }

.lead {
  margin-top: 22px;
  max-width: 60ch;
  font-size: clamp(17px, 2vw, 19px);
  color: var(--muted);
  text-wrap: pretty;
}

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

.hl {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head { max-width: 720px; margin-bottom: 44px; }

/* ─── Buttons ─── */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background-color .15s ease;
}

.btn svg { width: 18px; height: 18px; flex: none; }

.btn-primary {
  background: var(--grad);
  color: #021010;
  box-shadow: 0 8px 30px -10px rgba(29, 230, 199, 0.55);
}

.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 36px -10px rgba(29, 230, 199, 0.7); }

.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}

.btn-ghost:hover { border-color: rgba(29, 230, 199, 0.5); background: rgba(29, 230, 199, 0.05); }

/* ─── Hero ─── */

.hero { padding-top: clamp(56px, 9vw, 104px); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
  margin-top: 8px;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.terminal {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(8, 20, 20, 0.88);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(29, 230, 199, 0.04) inset;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 14px;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font-size: 12px;
}

.terminal-bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(200, 208, 212, 0.18);
}

.terminal-bar span { margin-left: auto; }

.terminal-body { padding: 18px 18px 20px; line-height: 1.9; }

.terminal-body .cmd { color: var(--text); }
.terminal-body .cmd::before { content: "$ "; color: var(--teal); }

.terminal dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 18px;
  margin: 8px 0 12px;
}

.terminal dt { color: var(--faint); }
.terminal dd { margin: 0; color: var(--muted); overflow-wrap: anywhere; }
.terminal dd.ok { color: var(--teal); }

.terminal .diff { row-gap: 6px; }
.terminal .diff dt { white-space: nowrap; }
.terminal .diff .del { color: #E59A9A; }
.terminal .diff dd.del { color: rgba(229, 154, 154, 0.75); text-decoration: line-through; text-decoration-color: rgba(229, 154, 154, 0.45); }
.terminal .diff .add { color: var(--teal); }
.terminal .diff dd.add { color: var(--text); }

@media (max-width: 560px) {
  .terminal .diff { grid-template-columns: 1fr; row-gap: 0; }
  .terminal .diff dd { margin-bottom: 10px; }
}

.cursor {
  display: inline-block;
  width: 9px;
  height: 17px;
  vertical-align: -3px;
  background: var(--teal);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

/* ─── Werkbank ─── */

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

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

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 24, 24, 0.82);
  transition: border-color .2s ease, background-color .2s ease;
}

.card:hover { border-color: rgba(29, 230, 199, 0.3); background: rgba(16, 34, 34, 0.9); }

.card-no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--teal);
  letter-spacing: 0.06em;
}

.card p { color: var(--muted); font-size: 16px; }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: auto 0 0;
  padding: 8px 0 0;
  list-style: none;
}

.tags li {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.02);
}

/* ─── Prinzipien ─── */

.principles {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.principles li {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 24px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.principles .no {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--teal);
}

.principles h3 { font-size: 22px; }
.principles p { color: var(--muted); }

@media (max-width: 760px) {
  .principles li { grid-template-columns: 1fr; gap: 8px; }
}

/* ─── Brücke zu 7FF ─── */

.bridge {
  position: relative;
  padding: clamp(28px, 5vw, 56px);
  border-radius: calc(var(--radius) + 6px);
  background:
    linear-gradient(var(--bg-subtle), var(--bg-subtle)) padding-box,
    linear-gradient(135deg, rgba(29, 230, 199, 0.55), rgba(0, 195, 216, 0.15) 40%, rgba(200, 208, 212, 0.08)) border-box;
  border: 1px solid transparent;
  overflow: hidden;
}

.bridge::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(29, 230, 199, 0.16), transparent 70%);
  pointer-events: none;
}

.bridge > * { position: relative; z-index: 1; }

.bridge-logo {
  width: auto;
  height: 38px;
  margin-bottom: 28px;
}

@media (max-width: 560px) {
  .bridge-logo { height: 30px; }
}

.bridge blockquote p { margin: 0; }

.bridge blockquote {
  margin: 26px 0 0;
  padding: 0 0 0 20px;
  border-left: 2px solid var(--teal);
  max-width: 62ch;
  font-size: clamp(18px, 2.2vw, 21px);
  line-height: 1.55;
  color: var(--text);
}

.bridge .note {
  margin-top: 18px;
  max-width: 62ch;
  color: var(--muted);
}

/* ─── Herkunft ─── */

.origin {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
}

.origin .body { display: grid; gap: 16px; color: var(--muted); }

.origin .body .terminal { margin-bottom: 8px; }

a.inline {
  color: var(--teal);
  text-decoration: underline;
  text-decoration-color: rgba(29, 230, 199, 0.4);
  text-underline-offset: 4px;
}

a.inline:hover { text-decoration-color: var(--teal); }

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

/* ─── Kontakt ─── */

.contact {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 36px;
}

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

.contact .card h3 { font-size: 18px; }

.contact a.link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  color: var(--teal);
  font-weight: 600;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.contact a.link:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ─── Fußzeile ─── */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 40px;
  font-size: 14px;
  color: var(--faint);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
.site-footer a { text-decoration: none; color: var(--muted); }
.site-footer a:hover { color: var(--text); }
.site-footer .mono { font-size: 12px; }

/* ─── Rechtstexte ─── */

.legal { padding: clamp(48px, 8vw, 88px) 0; }
.legal .wrap { max-width: 800px; }
.legal h1 { font-size: clamp(28px, 6.5vw, 48px); margin-bottom: 12px; overflow-wrap: break-word; hyphens: auto; }
.legal .stand { font-family: var(--mono); font-size: 13px; color: var(--faint); margin-bottom: 40px; }
.legal h2 { font-size: 22px; margin: 40px 0 12px; letter-spacing: -0.015em; }
.legal h3 { font-size: 17px; margin: 24px 0 8px; }
.legal p, .legal li { color: var(--muted); font-size: 16px; }
.legal p + p { margin-top: 12px; }
.legal ul { padding-left: 20px; margin: 12px 0; }
.legal li + li { margin-top: 6px; }
.legal address { font-style: normal; color: var(--text); line-height: 1.7; }
.legal a { color: var(--teal); text-underline-offset: 3px; overflow-wrap: anywhere; }

/* ─── 404 ─── */

.notfound {
  min-height: calc(100vh - 64px - 110px);
  display: grid;
  align-items: center;
}

.notfound .terminal { max-width: 560px; margin-top: 32px; }

/* ─── Bewegung reduzieren ─── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ─── Druck ─── */

@media print {
  body { background: #fff; color: #000; }
  body::before, .site-header, .actions, .terminal-bar { display: none; }
  .legal p, .legal li, .legal address { color: #000; }
}

.legal strong { color: var(--text); font-weight: 600; }