/* Webflitzer Marketing Site — premium design system.
   Standalone static site for webflitzer.de (separate Cloudflare Pages project).
   Dark, blue/violet, gradients, glassmorphism, conversion-first, mobile-first. */

:root {
  --bg: #070b16;
  --bg-2: #0b1120;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #eef2fb;
  --muted: #9aa7c2;
  --muted-2: #6b7894;
  --brand: #6366f1;
  --brand-2: #22d3ee;
  --brand-3: #8b5cf6;
  --accent: #38bdf8;
  --ok: #34d399;
  --warn: #fbbf24;
  --grad: linear-gradient(120deg, #6366f1 0%, #8b5cf6 45%, #22d3ee 100%);
  --grad-soft: linear-gradient(120deg, rgba(99,102,241,0.18), rgba(34,211,238,0.12));
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px -20px rgba(8, 12, 30, 0.85);
  --shadow-glow: 0 0 0 1px rgba(99,102,241,0.25), 0 30px 80px -30px rgba(99,102,241,0.55);
  --maxw: 1140px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Ambient background glow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60rem 40rem at 75% -10%, rgba(99,102,241,0.22), transparent 60%),
    radial-gradient(50rem 40rem at 5% 10%, rgba(34,211,238,0.12), transparent 55%),
    radial-gradient(40rem 40rem at 50% 110%, rgba(139,92,246,0.14), transparent 60%),
    var(--bg);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; color: var(--muted); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: clamp(56px, 9vw, 120px) 0; }
.center { text-align: center; }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--brand-2);
  padding: .35rem .8rem; border: 1px solid var(--border-strong); border-radius: 999px;
  background: var(--surface); margin-bottom: 1.1rem;
}
.lead { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--muted); max-width: 60ch; }
.grad-text {
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem; cursor: pointer;
  font-weight: 600; font-size: 1rem; line-height: 1; border: 0;
  padding: .95rem 1.5rem; border-radius: 999px; transition: transform .15s ease, box-shadow .2s ease, background .2s;
  font-family: inherit;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: var(--shadow-glow); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost { background: var(--surface); color: var(--text); border: 1px solid var(--border-strong); }
.btn-ghost:hover { background: var(--surface-strong); transform: translateY(-2px); }
.btn-lg { padding: 1.1rem 1.9rem; font-size: 1.05rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: .9rem; }
.center .btn-row { justify-content: center; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(7, 11, 22, 0.72);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.2rem; letter-spacing: -0.02em; }
.brand .mark {
  width: 30px; height: 30px; border-radius: 9px; background: var(--grad);
  display: grid; place-items: center; box-shadow: var(--shadow-glow); flex: none;
  font-size: 1rem;
}
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a { color: var(--muted); font-size: .95rem; font-weight: 500; transition: color .15s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: .8rem; }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); cursor: pointer; padding: 6px; }
.nav-toggle svg { width: 26px; height: 26px; }

/* ---------- Hero ---------- */
.hero { padding: clamp(60px, 11vw, 130px) 0 clamp(40px, 7vw, 90px); position: relative; }
.hero h1 { max-width: 18ch; }
.hero .lead { margin-top: 1.2rem; margin-bottom: 2rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 1.4rem; margin-top: 2.2rem; color: var(--muted-2); font-size: .9rem; }
.hero-meta span { display: inline-flex; align-items: center; gap: .45rem; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 10px var(--ok); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: transform .2s ease, border-color .2s, background .2s;
}
.card:hover { transform: translateY(-4px); border-color: var(--border-strong); background: var(--surface-strong); }
.card h3 { color: var(--text); }
.card p { margin-bottom: 0; font-size: .98rem; }
.card .ico {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  font-size: 1.4rem; margin-bottom: 1rem; background: var(--grad-soft); border: 1px solid var(--border-strong);
}

/* Steps */
.steps { counter-reset: step; }
.step { position: relative; padding-left: 4.6rem; }
.step .num {
  position: absolute; left: 0; top: 0; width: 3.2rem; height: 3.2rem; border-radius: 14px;
  display: grid; place-items: center; font-weight: 800; font-size: 1.2rem;
  background: var(--grad-soft); border: 1px solid var(--border-strong); color: var(--text);
}

/* Before/After slider */
.ba { --pos: 50%; position: relative; max-width: 980px; margin: 48px auto 0; aspect-ratio: 16/9; border-radius: 20px; overflow: hidden; border: 1px solid var(--border-strong); box-shadow: var(--shadow); background: #0b1020; user-select: none; }
.ba-after, .ba-before { position: absolute; inset: 0; overflow: hidden; }
.ba-before { clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.ba-handle { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; background: #fff; transform: translateX(-1px); box-shadow: 0 0 14px rgba(0,0,0,.5); pointer-events: none; }
.ba-handle span { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 40px; height: 40px; border-radius: 50%; background: #fff; color: #0b1020; display: grid; place-items: center; font-weight: 800; box-shadow: 0 6px 18px rgba(0,0,0,.4); }
.ba-handle span::before { content: "⟺"; font-size: 1.1rem; }
.ba-range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.ba-tag { position: absolute; top: 14px; z-index: 3; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: .3rem .7rem; border-radius: 999px; pointer-events: none; }
.ba-tag-before { left: 14px; background: rgba(15,23,42,.7); color: #cbd5e1; }
.ba-tag-after { right: 14px; background: var(--grad); color: #fff; }
/* old-site mockup */
.old { position: absolute; inset: 0; background: #fff; color: #111; font-family: "Times New Roman", Times, serif; padding: 0; }
.old-top { background: linear-gradient(#1f8a8a,#0c5c5c); color: #ffe; text-align: center; font-weight: 700; padding: 8px; font-size: clamp(.8rem,1.6vw,1.05rem); }
.old-nav { background: #ececec; border-bottom: 1px solid #bbb; padding: 6px 10px; font-size: clamp(.7rem,1.4vw,.95rem); color: #00a; }
.old-nav b { color: #00f; text-decoration: underline; }
.old-body { padding: 14px 18px; }
.old-h { color: #b00; font-size: clamp(1rem,2.4vw,1.6rem); margin: .2rem 0 .6rem; }
.old-p { font-size: clamp(.72rem,1.5vw,1rem); color: #222; margin: 0 0 .6rem; max-width: 60ch; }
.old-counter { font-size: clamp(.65rem,1.3vw,.85rem); color: #555; }
.old-btn { display: inline-block; margin-top: .6rem; background: #ddd; border: 2px outset #aaa; padding: .25rem .8rem; font-size: clamp(.7rem,1.4vw,.95rem); color: #006; }
.old-blink { color: #c00; font-weight: 700; }
/* new premium mockup */
.new { position: absolute; inset: 0; background: radial-gradient(30rem 18rem at 80% -20%, rgba(99,102,241,.6), transparent 60%), #0b1020; color: #fff; display: flex; flex-direction: column; }
.new-top { display: flex; align-items: center; justify-content: space-between; padding: 12px 18px; border-bottom: 1px solid rgba(255,255,255,.1); font-weight: 800; font-size: clamp(.8rem,1.5vw,1rem); }
.new-top .mini-cta { background: var(--grad); border-radius: 999px; padding: .3rem .8rem; font-size: clamp(.62rem,1.2vw,.8rem); }
.new-hero { flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 0 clamp(18px,4vw,48px); }
.new-eyebrow { color: var(--brand-2); font-size: clamp(.6rem,1.2vw,.78rem); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; margin-bottom: .5rem; }
.new-h { font-size: clamp(1.1rem,3.2vw,2.4rem); font-weight: 800; line-height: 1.1; letter-spacing: -.02em; max-width: 16ch; }
.new-btn { align-self: flex-start; margin-top: clamp(.8rem,2vw,1.4rem); background: var(--grad); color: #fff; font-weight: 700; padding: .6rem 1.2rem; border-radius: 999px; font-size: clamp(.7rem,1.4vw,.95rem); box-shadow: var(--shadow-glow); }

/* Demo gallery card link */
.card-link { display: inline-block; margin-top: 1rem; color: var(--brand-2); font-weight: 600; font-size: .95rem; }
a.card { text-decoration: none; }
a.card:hover .card-link { text-decoration: underline; }

/* Comparison (Klassische Agentur vs Webflitzer) */
.compare .card { display: flex; flex-direction: column; }
.compare .card.win { border-color: rgba(99,102,241,0.5); box-shadow: var(--shadow-glow); background: var(--surface-strong); }
.compare h3 { display: flex; align-items: center; gap: .5rem; }
.crosses { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: .8rem; }
.crosses li { display: flex; gap: .7rem; align-items: flex-start; color: var(--muted-2); }
.crosses li::before {
  content: "✕"; color: #f87171; font-weight: 800; flex: none;
  width: 1.4rem; height: 1.4rem; display: grid; place-items: center; border-radius: 6px;
  background: rgba(248,113,113,0.12); font-size: .8rem; margin-top: .15rem;
}

/* Feature list */
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: .8rem; }
.checks li { display: flex; gap: .7rem; align-items: flex-start; color: var(--muted); }
.checks li::before {
  content: "✓"; color: var(--ok); font-weight: 800; flex: none;
  width: 1.4rem; height: 1.4rem; display: grid; place-items: center; border-radius: 6px;
  background: rgba(52,211,153,0.12); font-size: .85rem; margin-top: .15rem;
}

/* ---------- Pricing ---------- */
.price-grid { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
.plan { display: flex; flex-direction: column; }
.plan.featured { border-color: rgba(99,102,241,0.5); box-shadow: var(--shadow-glow); background: var(--surface-strong); }
.plan .tag { font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--brand-2); margin-bottom: .6rem; }
.plan .amount { font-size: 2.6rem; font-weight: 800; color: var(--text); letter-spacing: -0.03em; }
.plan .amount small { font-size: 1rem; font-weight: 500; color: var(--muted); }
.plan .checks { margin: 1.4rem 0 1.8rem; }
.plan .btn { margin-top: auto; width: 100%; justify-content: center; }
.price-note { color: var(--muted-2); font-size: .9rem; margin-top: 1.4rem; }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: .8rem;
  background: var(--surface); padding: 0 20px; transition: border-color .2s;
}
.faq details[open] { border-color: var(--border-strong); }
.faq summary {
  list-style: none; cursor: pointer; padding: 18px 0; font-weight: 600; color: var(--text);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand-2); font-size: 1.5rem; line-height: 1; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 18px; }

/* ---------- CTA band ---------- */
.cta-band {
  border: 1px solid var(--border-strong); border-radius: 28px; padding: clamp(36px, 6vw, 72px);
  background:
    radial-gradient(40rem 20rem at 80% -40%, rgba(99,102,241,0.35), transparent 60%),
    var(--surface-strong);
  text-align: center; box-shadow: var(--shadow);
}
.cta-band h2 { max-width: 22ch; margin-inline: auto; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 1rem; max-width: 620px; }
.form .row { display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; }
.field { display: grid; gap: .4rem; }
.field label { font-size: .9rem; color: var(--muted); font-weight: 500; }
.field input, .field textarea, .field select {
  width: 100%; padding: .85rem 1rem; border-radius: 12px; font-family: inherit; font-size: 1rem;
  background: var(--bg-2); border: 1px solid var(--border-strong); color: var(--text);
}
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid var(--brand); border-color: transparent; }
.field textarea { min-height: 140px; resize: vertical; }

/* ---------- Legal / prose ---------- */
.prose { max-width: 760px; }
.prose h2 { font-size: 1.4rem; margin-top: 2.2rem; color: var(--text); }
.prose h3 { margin-top: 1.4rem; }
.prose p, .prose li { color: var(--muted); }
.prose ul { padding-left: 1.2rem; }
.placeholder {
  background: rgba(251,191,36,0.10); border: 1px dashed rgba(251,191,36,0.5);
  border-radius: 8px; padding: .1rem .45rem; color: var(--warn); font-weight: 600; font-size: .92em;
}
.notice {
  border: 1px solid rgba(251,191,36,0.4); background: rgba(251,191,36,0.08);
  border-radius: var(--radius-sm); padding: 1rem 1.2rem; color: #fde68a; font-size: .92rem; margin-bottom: 2rem;
}

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 56px 0 40px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 32px; }
.site-footer h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted-2); margin: 0 0 1rem; }
.site-footer a { color: var(--muted); font-size: .95rem; display: block; margin-bottom: .55rem; transition: color .15s; }
.site-footer a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--muted-2); font-size: .85rem; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-3, .price-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-header.open .nav-links {
    display: flex; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column;
    align-items: flex-start; gap: 0; padding: 12px 24px 20px;
    background: rgba(7,11,22,0.97); border-bottom: 1px solid var(--border);
  }
  .site-header.open .nav-links a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--border); }
}
@media (max-width: 560px) {
  .form .row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .btn { width: 100%; justify-content: center; }
  .nav-cta .btn { width: auto; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}