/* webentwickler-bonn.de — handgeschriebenes CSS, keine Abhängigkeiten */
:root {
  --bg: #05060a;
  --bg-2: #0a0c13;
  --surface: #0e111a;
  --surface-2: #141824;
  --line: rgba(255, 255, 255, .09);
  --line-2: rgba(255, 255, 255, .16);
  --text: #f4f5f9;
  --muted: #9ba1b4;
  --dim: #6d7388;
  --orange: #ff6a13;
  --orange-2: #ffa24a;
  --blue: #3d7bff;
  --blue-2: #86adff;
  --radius: 22px;
  --radius-sm: 14px;
  --maxw: 1180px;
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI Variable", "Segoe UI", Roboto, "Helvetica Neue", Arial, system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 17px/1.65 var(--font); -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, canvas { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0; line-height: 1.08; letter-spacing: -.035em; font-weight: 800; }
h1 { font-size: clamp(2.6rem, 6.4vw, 5.4rem); }
h2 { font-size: clamp(2rem, 4.4vw, 3.4rem); }
h3 { font-size: 1.3rem; letter-spacing: -.02em; }
:focus-visible { outline: 3px solid var(--blue-2); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--orange); color: #000; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; background: var(--orange); color: #000; padding: 10px 16px; border-radius: 10px; z-index: 100; font-weight: 700; }
.skip:focus { top: 12px; }

/* Hintergrund: Sternenfeld */
#stars { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -2; pointer-events: none; }
.glow { position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60vw 50vh at 85% -10%, rgba(255, 106, 19, .13), transparent 70%),
    radial-gradient(55vw 55vh at -10% 20%, rgba(61, 123, 255, .14), transparent 70%),
    radial-gradient(40vw 40vh at 50% 110%, rgba(61, 123, 255, .10), transparent 70%); }

.wrap { width: min(var(--maxw), 100% - 40px); margin-inline: auto; }
section { padding: clamp(72px, 10vw, 140px) 0; position: relative; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 600 .78rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--orange-2); margin-bottom: 20px; }
.eyebrow::before { content: ""; width: 26px; height: 1px; background: currentColor; }
.lead { font-size: clamp(1.1rem, 1.7vw, 1.35rem); color: var(--muted); max-width: 60ch; }
.grad { -webkit-box-decoration-break: clone; box-decoration-break: clone; background: linear-gradient(95deg, var(--orange) 5%, var(--orange-2) 45%, var(--blue-2) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Header */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 50; transition: background .3s, border-color .3s, backdrop-filter .3s; border-bottom: 1px solid transparent; }
.site-header.scrolled { background: rgba(5, 6, 10, .72); backdrop-filter: blur(16px) saturate(1.4); -webkit-backdrop-filter: blur(16px) saturate(1.4); border-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -.02em; font-size: 1.05rem; }
.brand svg { width: 34px; height: 34px; }
.brand small { display: block; font: 500 .66rem/1 var(--mono); color: var(--dim); letter-spacing: .12em; text-transform: uppercase; margin-top: 3px; }
.menu { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.menu a { display: block; padding: 9px 15px; border-radius: 999px; font-size: .95rem; font-weight: 600; color: var(--muted); transition: color .2s, background .2s; }
.menu a:hover, .menu a[aria-current="page"] { color: var(--text); background: rgba(255, 255, 255, .06); }
.burger { display: none; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line-2); background: transparent; color: var(--text); cursor: pointer; place-items: center; }
.burger span, .burger span::before, .burger span::after { display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; position: relative; transition: transform .25s, opacity .25s; }
.burger span::before, .burger span::after { content: ""; position: absolute; left: 0; }
.burger span::before { top: -6px; } .burger span::after { top: 6px; }
.burger[aria-expanded="true"] span { background: transparent; }
.burger[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 15px 26px; border-radius: 999px; font-weight: 700; font-size: 1rem; border: 1px solid transparent; cursor: pointer; transition: transform .2s, box-shadow .25s, background .2s, border-color .2s; font-family: inherit; line-height: 1; }
.btn svg { width: 18px; height: 18px; transition: transform .25s; }
.btn:hover svg { transform: translateX(4px); }
.btn-primary { background: linear-gradient(120deg, var(--orange), #ff8a2a); color: #120700; box-shadow: 0 8px 30px -8px rgba(255, 106, 19, .65); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -8px rgba(255, 106, 19, .8); }
.btn-ghost { background: rgba(255, 255, 255, .04); border-color: var(--line-2); color: var(--text); }
.btn-ghost:hover { background: rgba(255, 255, 255, .09); border-color: rgba(255, 255, 255, .3); }
.btn-sm { padding: 11px 20px; font-size: .92rem; }

/* Hero */
.hero { padding: clamp(120px, 16vw, 190px) 0 clamp(60px, 8vw, 110px); min-height: 100svh; display: flex; align-items: center; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(20px, 4vw, 60px); align-items: center; }
.hero h1 .line { display: block; }
.hero .lead { margin: 28px 0 38px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; }
.trust { display: flex; flex-wrap: wrap; gap: 14px 34px; margin-top: 54px; padding-top: 28px; border-top: 1px solid var(--line); }
.trust div { font-size: .88rem; color: var(--muted); line-height: 1.35; }
.trust strong { display: block; font-size: 1.75rem; letter-spacing: -.03em; color: var(--text); font-weight: 800; }
.stage { position: relative; aspect-ratio: 1 / 1.12; width: 100%; max-width: 560px; margin-inline: auto; }
.stage svg { width: 100%; height: 100%; overflow: visible; }
.astro { transform-origin: 50% 55%; will-change: transform; }
.hero-tilt { transition: transform .25s ease-out; will-change: transform; }

@keyframes float { 0%, 100% { transform: translateY(0) rotate(-2.5deg); } 50% { transform: translateY(-22px) rotate(2deg); } }
@keyframes wave { 0%, 100% { transform: rotate(-8deg); } 50% { transform: rotate(14deg); } }
@keyframes glint { 0%, 55% { transform: translateX(-130px); } 100% { transform: translateX(160px); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes tether { to { stroke-dashoffset: -60; } }
@keyframes blink { 0%, 90%, 100% { opacity: 1; } 95% { opacity: .2; } }
@keyframes drift { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(10px, -14px); } }
.astro { animation: float 7s ease-in-out infinite; }
.arm-wave { animation: wave 2.4s ease-in-out infinite; }
.glint { animation: glint 5.5s ease-in-out infinite; }
.orbit { transform-origin: 280px 280px; animation: spin 60s linear infinite; }
.orbit.rev { animation-duration: 90s; animation-direction: reverse; }
.tether { stroke-dasharray: 6 9; animation: tether 2.2s linear infinite; }
.led { animation: blink 3.2s infinite; }
.planet { animation: drift 9s ease-in-out infinite; }

/* Marquee */
.marquee { border-block: 1px solid var(--line); background: linear-gradient(90deg, var(--bg), var(--bg-2) 50%, var(--bg)); overflow: hidden; padding: 26px 0; transform: rotate(-1.2deg); margin: 10px -20px 0; }
.marquee-track { display: flex; gap: 0; width: max-content; animation: marq 38s linear infinite; }
.marquee span { font: 800 clamp(1.3rem, 2.6vw, 2rem)/1 var(--font); letter-spacing: -.02em; text-transform: uppercase; white-space: nowrap; padding: 0 28px; color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .32); }
.marquee span:nth-child(3n+1) { color: var(--text); -webkit-text-stroke: 0; }
.marquee i { font-style: normal; color: var(--orange); padding: 0 6px; font-size: 1.4rem; }
@keyframes marq { to { transform: translateX(-50%); } }
.marquee:hover .marquee-track { animation-play-state: paused; }

/* Karten / Bento */
.section-head { max-width: 760px; margin-bottom: clamp(36px, 5vw, 64px); }
.section-head p { color: var(--muted); font-size: 1.15rem; margin-top: 18px; }
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.card { background: linear-gradient(180deg, var(--surface-2), var(--surface)); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; position: relative; overflow: hidden; transition: transform .35s cubic-bezier(.2, .8, .2, 1), border-color .3s; }
.card::after { content: ""; position: absolute; inset: 0; background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(255, 106, 19, .12), transparent 55%); opacity: 0; transition: opacity .3s; pointer-events: none; }
.card:hover { transform: translateY(-4px); border-color: var(--line-2); }
.card:hover::after { opacity: 1; }
.card h3 { margin: 18px 0 10px; }
.card p { color: var(--muted); margin: 0; font-size: .98rem; }
.ico { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; background: rgba(255, 106, 19, .12); color: var(--orange-2); border: 1px solid rgba(255, 106, 19, .28); }
.ico.b { background: rgba(61, 123, 255, .13); color: var(--blue-2); border-color: rgba(61, 123, 255, .32); }
.ico svg { width: 26px; height: 26px; }
.bento.cols3 { grid-template-columns: repeat(3, 1fr); }
.span-2 { grid-column: span 2; } .span-3 { grid-column: span 3; } .span-4 { grid-column: span 4; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag { font: 600 .74rem/1 var(--mono); letter-spacing: .04em; padding: 7px 11px; border-radius: 999px; background: rgba(255, 255, 255, .05); border: 1px solid var(--line); color: var(--muted); }

/* Vergleich */
.versus { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.versus .card h3 { margin-top: 0; }
.versus .card .big { font-size: 3rem; font-weight: 800; letter-spacing: -.05em; line-height: 1; }

/* Ablauf */
.steps { position: relative; display: grid; gap: 18px; counter-reset: s; }
.steps::before { content: ""; position: absolute; left: 31px; top: 20px; bottom: 20px; width: 2px; background: linear-gradient(var(--orange), var(--blue)); opacity: .35; border-radius: 2px; }
.step { display: grid; grid-template-columns: 64px 1fr; gap: 26px; align-items: start; position: relative; }
.step-n { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; background: var(--bg-2); border: 1px solid var(--line-2); font: 800 1.1rem var(--mono); color: var(--orange-2); position: relative; z-index: 1; transition: background .3s, color .3s, border-color .3s, box-shadow .3s; }
.step.on .step-n { background: var(--orange); color: #120700; border-color: var(--orange); box-shadow: 0 0 0 8px rgba(255, 106, 19, .14); }
.step .card { padding: 26px 30px; }
.step .card h3 { margin-top: 0; }
.step time { display: block; font: 600 .76rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--blue-2); margin-bottom: 8px; }

/* Referenzen */
.refs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ref { display: flex; flex-direction: column; min-height: 360px; }
.ref .shot { height: 150px; border-radius: 14px; margin-bottom: 22px; border: 1px solid var(--line); overflow: hidden; position: relative; background: #0a0c13; }
.ref .shot svg { width: 100%; height: 100%; }
.ref .meta { margin-top: auto; padding-top: 22px; display: flex; justify-content: space-between; align-items: center; font: 600 .85rem var(--mono); color: var(--orange-2); }
.ref ul { margin: 14px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.ref-big { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: center; padding: 36px; }
.ref-big + .ref-big { margin-top: 16px; }

/* FAQ */
.faq { display: grid; gap: 12px; max-width: 880px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 0; transition: border-color .2s, background .2s; }
.faq details[open] { border-color: rgba(255, 106, 19, .4); background: var(--surface-2); }
.faq summary { cursor: pointer; padding: 22px 26px; font-weight: 700; font-size: 1.08rem; list-style: none; display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.6rem; color: var(--orange-2); transition: transform .25s; font-weight: 400; line-height: 1; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .ans { padding: 0 26px 24px; color: var(--muted); }
.faq .ans p:last-child { margin: 0; }

/* CTA */
.cta { text-align: center; background: linear-gradient(180deg, rgba(255, 106, 19, .1), rgba(61, 123, 255, .08)); border: 1px solid var(--line-2); border-radius: 36px; padding: clamp(44px, 7vw, 96px) 24px; position: relative; overflow: hidden; }
.cta h2 { max-width: 16ch; margin: 0 auto 18px; }
.cta .lead { margin: 0 auto 34px; }
.cta .cta-row { justify-content: center; }
.contact-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 32px; margin-top: 30px; color: var(--muted); }
.contact-list a { display: inline-flex; gap: 10px; align-items: center; font-weight: 600; color: var(--text); }
.contact-list a:hover { color: var(--orange-2); }

/* Unterseiten */
.page-head { padding: clamp(130px, 15vw, 200px) 0 clamp(30px, 4vw, 60px); }
.page-head h1 { font-size: clamp(2.3rem, 5.4vw, 4.4rem); max-width: 18ch; }
.page-head .lead { margin-top: 24px; }
.crumbs { font: 500 .82rem var(--mono); color: var(--dim); margin-bottom: 26px; }
.crumbs a:hover { color: var(--orange-2); }
.prose { max-width: 780px; }
.prose h2 { font-size: 1.7rem; margin: 2.2em 0 .6em; letter-spacing: -.03em; }
.prose h3 { font-size: 1.2rem; margin: 1.6em 0 .5em; }
.prose p, .prose li { color: #c9ccd8; }
.prose a { color: var(--orange-2); text-decoration: underline; text-underline-offset: 3px; }
.prose ul { padding-left: 1.2em; }

/* Formulare & Tools */
.panel { background: linear-gradient(180deg, var(--surface-2), var(--surface)); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(22px, 3vw, 38px); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
label, .label { font-weight: 600; font-size: .9rem; color: var(--muted); }
input, textarea, select { width: 100%; background: rgba(255, 255, 255, .04); border: 1px solid var(--line-2); color: var(--text); border-radius: 12px; padding: 14px 16px; font: inherit; font-size: 1rem; transition: border-color .2s, background .2s; }
input::placeholder, textarea::placeholder { color: var(--dim); }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--orange); background: rgba(255, 106, 19, .05); }
textarea { min-height: 150px; resize: vertical; }
select option { background: #11141d; color: var(--text); }
input[type="range"] { padding: 0; accent-color: var(--orange); height: 28px; }
input[type="file"] { padding: 12px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: .9rem; color: var(--muted); }
.check input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--orange); flex: none; }
.notice { padding: 16px 20px; border-radius: 12px; font-weight: 600; display: none; }
.notice.show { display: block; }
.notice.ok { background: rgba(60, 200, 120, .12); border: 1px solid rgba(60, 200, 120, .4); color: #8ee6b2; }
.notice.err { background: rgba(255, 90, 70, .12); border: 1px solid rgba(255, 90, 70, .4); color: #ff9d90; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.tabs { display: inline-flex; gap: 4px; padding: 5px; border-radius: 999px; background: rgba(255, 255, 255, .05); border: 1px solid var(--line); margin-bottom: 26px; flex-wrap: wrap; }
.tabs button { background: transparent; border: 0; color: var(--muted); padding: 10px 20px; border-radius: 999px; cursor: pointer; font: 700 .92rem var(--font); transition: background .2s, color .2s; }
.tabs button[aria-selected="true"] { background: var(--orange); color: #120700; }
.qr-out { background: #fff; border-radius: 18px; padding: 22px; display: grid; place-items: center; aspect-ratio: 1; max-width: 340px; margin-inline: auto; }
.qr-out svg, .qr-out img { width: 100%; height: auto; }
.drop { border: 2px dashed var(--line-2); border-radius: 18px; padding: 44px 20px; text-align: center; color: var(--muted); cursor: pointer; transition: border-color .2s, background .2s; }
.drop.over, .drop:hover { border-color: var(--orange); background: rgba(255, 106, 19, .06); color: var(--text); }
.files { display: grid; gap: 12px; margin-top: 22px; }
.file { display: grid; grid-template-columns: 64px 1fr auto; gap: 16px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 255, 255, .03); }
.file img { width: 64px; height: 64px; object-fit: cover; border-radius: 10px; background: #000; }
.file .n { font-weight: 700; word-break: break-all; font-size: .95rem; }
.file .s { font: 500 .82rem var(--mono); color: var(--muted); }
.file .save { color: #8ee6b2; font-weight: 700; }
.conv { display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: end; }
.conv .eq { font-size: 1.6rem; color: var(--orange-2); padding-bottom: 12px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 64px 0 36px; background: linear-gradient(180deg, transparent, rgba(255, 255, 255, .02)); }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.foot-grid h4 { font: 600 .76rem var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--dim); margin-bottom: 18px; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.foot-grid a { color: var(--muted); }
.foot-grid a:hover { color: var(--orange-2); }
.foot-grid p { color: var(--muted); font-size: .95rem; }
.legal { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; margin-top: 54px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--dim); font-size: .86rem; }

/* Reveal */
.rv { opacity: 0; transform: translateY(28px); transition: opacity .9s cubic-bezier(.2, .7, .2, 1), transform .9s cubic-bezier(.2, .7, .2, 1); }
.rv.in { opacity: 1; transform: none; }
.rv.d1 { transition-delay: .08s; } .rv.d2 { transition-delay: .16s; } .rv.d3 { transition-delay: .24s; }
.no-js .rv { opacity: 1; transform: none; }

/* 404 */
.lost { min-height: 100svh; display: grid; place-items: center; text-align: center; padding: 120px 0 60px; }
.lost .code { font-size: clamp(6rem, 22vw, 15rem); font-weight: 900; letter-spacing: -.08em; line-height: .9; }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid, .split, .ref-big { grid-template-columns: 1fr; }
  .stage { max-width: 440px; order: -1; margin-bottom: 8px; }
  @media (max-width: 620px) { .stage { max-width: 270px; } .hero { padding-top: 96px; } }
  .hero { padding-top: 110px; min-height: 0; }
  .bento, .bento.cols3 { grid-template-columns: repeat(2, 1fr); }
  .span-2, .span-3, .span-4 { grid-column: span 2; }
  .versus, .refs { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .burger { display: grid; }
  .menu { position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch; background: rgba(5, 6, 10, .96); backdrop-filter: blur(18px); padding: 14px 20px 26px; border-bottom: 1px solid var(--line); transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; }
  .menu.open { transform: none; opacity: 1; pointer-events: auto; }
  .menu a { padding: 15px 16px; font-size: 1.1rem; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .bento, .bento.cols3 { grid-template-columns: 1fr; }
  .span-2, .span-3, .span-4 { grid-column: auto; }
  .form-grid { grid-template-columns: 1fr; }
  .step { grid-template-columns: 48px 1fr; gap: 16px; }
  .step-n { width: 48px; height: 48px; font-size: .95rem; }
  .steps::before { left: 23px; }
  .conv { grid-template-columns: 1fr; } .conv .eq { display: none; }
  .foot-grid { grid-template-columns: 1fr; }
  .cta { border-radius: 26px; }
  .file { grid-template-columns: 48px 1fr; } .file img { width: 48px; height: 48px; } .file .btn { grid-column: 1 / -1; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .rv { opacity: 1; transform: none; }
}