/* ================================================================
   BRANCHEN-VORLAGE: DIENSTLEISTER (B2B-Service, Reinigung, IT …)
   THEME-BLOCK: beim Kunden-Build nur Variablen + Fonts anpassen.
   Beispielinhalte fiktiv.
   ================================================================ */
:root {
  --bg:       #0F1620;   /* Navy-Schwarz */
  --bg-elev:  #17202C;
  --line:     #26313F;
  --ink:      #EDF1F6;
  --muted:    #93A1B0;
  --accent:   #46E0B1;   /* Mint */
  --accent-soft: rgba(70, 224, 177, 0.1);
  --on-accent:#0F1620;

  --font-display: 'Space Grotesk Variable', system-ui, sans-serif;
  --font-text: 'Inter Variable', system-ui, sans-serif;

  --fs-hero: clamp(2.5rem, 1.3rem + 5.6vw, 4.9rem);
  --fs-h2: clamp(1.7rem, 1.2rem + 2.2vw, 2.5rem);
  --radius: 16px;
  --section-y: clamp(3.8rem, 3rem + 5vw, 7.5rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

@font-face {
  font-family: 'Space Grotesk Variable';
  src: url('assets/fonts/space-grotesk-latin-wght-normal.woff2') format('woff2-variations');
  font-weight: 300 700; font-display: swap;
}
@font-face {
  font-family: 'Inter Variable';
  src: url('assets/fonts/inter-latin-wght-normal.woff2') format('woff2-variations');
  font-weight: 100 900; font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); font-family: var(--font-text); line-height: 1.65; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.1; letter-spacing: -0.015em; text-wrap: balance; }
.hero-title { font-size: var(--fs-hero); line-height: 1.04; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: 1.15rem; }
.lead { font-size: clamp(1.03rem, 1rem + 0.4vw, 1.24rem); color: var(--muted); max-width: 48ch; }
.overline { font-family: var(--font-display); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); }
.hl { color: var(--accent); }

.container { max-width: 1120px; margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 2.5rem); }
.section { padding-block: var(--section-y); }
.section--elev { background: var(--bg-elev); }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(15, 22, 32, 0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding-block: 0.9rem; gap: 1rem; }
.logo { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; letter-spacing: 0.12em; text-decoration: none; }
.logo em { font-style: normal; color: var(--accent); }
.site-nav { display: flex; gap: clamp(0.9rem, 2.2vw, 1.8rem); }
.site-nav a { text-decoration: none; color: var(--muted); font-size: 0.93rem; }
.site-nav a:hover { color: var(--accent); }
@media (max-width: 800px) { .site-nav { display: none; } }

.btn { display: inline-flex; align-items: center; gap: 0.5em; font-family: var(--font-display); font-weight: 600; padding: 0.85em 1.6em; border-radius: 999px; text-decoration: none; border: 1px solid transparent; font-size: 0.95rem; transition: transform 150ms var(--ease), box-shadow 150ms var(--ease); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 0 32px rgba(70, 224, 177, 0.25); }
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--ghost { border-color: var(--line); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

.hero { padding-block: clamp(3.5rem, 3rem + 4vw, 6.5rem); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -30%; right: -15%; width: 60%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(70, 224, 177, 0.12) 0%, transparent 65%); pointer-events: none; }
.hero .container { position: relative; }

/* Zahlen-Band */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin-top: 3rem; border-top: 1px solid var(--line); padding-top: 2rem; }
@media (max-width: 860px) { .stats { grid-template-columns: 1fr 1fr; } }
.stat .n { font-family: var(--font-display); font-weight: 700; font-size: 2.2rem; color: var(--accent); line-height: 1.1; }
.stat .l { color: var(--muted); font-size: 0.9rem; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top: 2.4rem; }
@media (max-width: 900px) { .cards { grid-template-columns: 1fr; } }
.card { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.7rem; transition: transform 250ms var(--ease), border-color 250ms; }
.section--elev .card { background: var(--bg); }
.card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.card .ico { width: 46px; height: 46px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: 1.3rem; margin-bottom: 1rem; }
.card p { color: var(--muted); font-size: 0.95rem; margin-top: 0.5rem; }

/* Ablauf */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top: 2.4rem; counter-reset: step; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }
.step { padding: 1.7rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); font-family: var(--font-display); font-weight: 700; font-size: 2.4rem; color: var(--accent); display: block; line-height: 1; margin-bottom: 0.8rem; }
.step p { color: var(--muted); font-size: 0.95rem; margin-top: 0.4rem; }

.chips { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 2rem; }
.chip { border: 1px solid var(--line); border-radius: 999px; padding: 0.45em 1.1em; font-size: 0.9rem; color: var(--muted); }
.chip strong { color: var(--ink); }

.kontakt-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: start; }
@media (max-width: 860px) { .kontakt-grid { grid-template-columns: 1fr; } }
.field { display: grid; gap: 0.35rem; margin-bottom: 1rem; }
.field label { font-size: 0.85rem; font-weight: 600; }
.field input, .field textarea { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 0.8em 1em; font: inherit; color: var(--ink); width: 100%; }
.field input:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--accent); border-color: transparent; }

.site-footer { border-top: 1px solid var(--line); padding-block: 2.2rem; font-size: 0.88rem; color: var(--muted); }
.site-footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.8rem; }
.site-footer a { color: var(--muted); }

.wa-float { position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 60; width: 3.4rem; height: 3.4rem; border-radius: 50%; display: grid; place-items: center; background: #25D366; color: #fff; box-shadow: 0 8px 26px rgba(0, 0, 0, 0.4); transition: transform 160ms var(--ease); }
.wa-float:hover { transform: scale(1.08); }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 650ms var(--ease), transform 650ms var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }