/* ============================================================
   virtuelle-acd.de – comdesk CI 2025
   Primärfarben: #6edc14 (Grün), #000000, #3c3c3c, #e1e1e1, #e1ffcd
   Sekundärfarben: #5f28ff (Lila/CTA), #9b78ff, #e1d2ff
   Schrift: Duplet Open → Fallback: 'Inter'
   ============================================================ */

:root {
  /* ── Primär ─────────────────────────────── */
  --green:          #6edc14;   /* comdesk Markengrün */
  --green-dark:     #57b010;   /* Hover */
  --green-light:    #e1ffcd;   /* Hintergrund-Tint */
  --green-mid:      #c8f59a;   /* Chip-Border */
  --black:          #000000;
  --dark:           #3c3c3c;
  --gray:           #e1e1e1;
  --white:          #ffffff;

  /* ── Sekundär / Content-CTAs ────────────── */
  --purple:         #5f28ff;
  --purple-hover:   #4d1fe0;
  --purple-mid:     #9b78ff;
  --purple-light:   #e1d2ff;

  /* ── UI Grautöne ────────────────────────── */
  --gray-50:        #f8f9f8;
  --gray-100:       #f0f2ee;
  --gray-200:       #e1e1e1;
  --gray-500:       #757575;
  --gray-700:       #3c3c3c;
  --gray-900:       #111111;

  /* ── Layout ─────────────────────────────── */
  --font: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.12);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.16);
  --max-width: 1200px;
  --section-pad: clamp(56px, 7vw, 96px);
}

/* ─── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img  { max-width: 100%; height: auto; display: block; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }
p    { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
}
.section { padding: var(--section-pad) 0; }

/* ─── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font);
  color: var(--gray-900);
  line-height: 1.2;
  font-weight: 800;
}
h1 { font-size: clamp(1.9rem, 4.5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; }
h3 { font-size: clamp(.95rem, 2vw, 1.1rem);  font-weight: 600; }

.section-title    { margin-bottom: .75rem; }
.section-subtitle { font-size: 1.05rem; color: var(--gray-500); max-width: 580px; margin-bottom: 2.5rem; }

/* ─── Chips ──────────────────────────────────────────────── */
.chip {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #2a5700;
  background: var(--green-light);
  border: 1px solid var(--green-mid);
  padding: .28em 1em;
  border-radius: 100px;
  margin-bottom: 1.25rem;
}
.chip-on-dark {
  color: var(--green);
  background: rgba(110,220,20,.12);
  border-color: rgba(110,220,20,.3);
}

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .65rem 1.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .18s ease;
  border: 2px solid transparent;
  white-space: nowrap;
  line-height: 1;
}
.btn-lg { padding: .9rem 2rem; font-size: 1rem; border-radius: var(--radius-md); }

/* Grün – Header/Nav-CTA */
.btn-green {
  background: var(--green);
  color: var(--black);
  border-color: var(--green);
}
.btn-green:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(110,220,20,.3);
}

/* Grün Outline – sekundärer Header-Button */
.btn-outline-green {
  background: transparent;
  color: var(--green-dark);
  border-color: var(--green);
}
.btn-outline-green:hover {
  background: var(--green-light);
  transform: translateY(-1px);
}

/* Lila – Content-CTAs */
.btn-purple {
  background: var(--purple);
  color: var(--white);
  border-color: var(--purple);
}
.btn-purple:hover {
  background: var(--purple-hover);
  border-color: var(--purple-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(95,40,255,.35);
}

/* Lila Outline */
.btn-outline-purple {
  background: transparent;
  color: var(--purple);
  border-color: var(--purple);
}
.btn-outline-purple:hover {
  background: var(--purple-light);
  transform: translateY(-1px);
}

/* Ghost auf dunklem Hintergrund */
.btn-ghost {
  background: rgba(255,255,255,.1);
  color: var(--white);
  border-color: rgba(255,255,255,.35);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.18);
  border-color: rgba(255,255,255,.6);
}

/* Ghost Outline auf dunklem Hintergrund */
.btn-ghost-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.35);
}
.btn-ghost-outline:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.6);
}

/* ─── Logo ───────────────────────────────────────────────── */
.logo { display: inline-flex; align-items: center; flex-shrink: 0; }
.logo-img {
  height: 34px;
  width: auto;
  display: block;
  /* PNG has black background – show only on dark bg or use mix-blend */
  border-radius: 4px;
}

/* Header is white → we need the logo to work on white.
   Since the PNG is green text on black, we crop the black away
   by using mix-blend-mode: multiply on a white background */
.site-header .logo-img {
  /* multiply: black → transparent on white background */
  mix-blend-mode: multiply;
}

.footer-logo-link { display: inline-flex; align-items: center; }
.footer-logo-img {
  height: 30px;
  width: auto;
  display: block;
  /* Footer is dark – PNG on dark bg looks fine */
}

/* ─── Top Bar ────────────────────────────────────────────── */
.top-bar {
  background: var(--black);
  color: rgba(255,255,255,.65);
  font-size: .8rem;
}
.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 38px;
}
.top-bar-phone {
  font-weight: 700;
  color: var(--white);
  letter-spacing: .01em;
  transition: color .15s;
}
.top-bar-phone:hover { color: var(--green); }
.top-bar-links { display: flex; gap: 1.75rem; }
.top-bar-links a { transition: color .15s; }
.top-bar-links a:hover { color: var(--white); }

/* ─── Header ─────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 64px;
}
.main-nav { flex: 1; }
.main-nav ul { display: flex; gap: 2rem; }
.main-nav a {
  font-size: .875rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: color .15s;
}
.main-nav a:hover,
.main-nav a.active { color: var(--green-dark); }
.header-ctas { display: flex; gap: .75rem; flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--gray-900);
  border-radius: 2px;
}

/* ─── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  background: var(--black);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(110,220,20,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110,220,20,.07) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  top: -180px; right: -180px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(110,220,20,.2) 0%, transparent 65%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(48px, 8vw, 80px);
  padding-bottom: clamp(48px, 8vw, 80px);
}
.hero-content { max-width: 680px; }
.hero-title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 1.25rem;
  line-height: 1.15;
}
.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: rgba(255,255,255,.65);
  max-width: 560px;
  margin-bottom: 2.25rem;
}
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ─── Stats Bar ──────────────────────────────────────────── */
.stats-bar {
  background: var(--gray-900);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.stats-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  padding: 1.25rem 0;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: .75rem 2.5rem;
  text-align: center;
}
.stat-number {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 800;
  color: var(--green);
  line-height: 1;
  margin-bottom: .25rem;
}
.stat-label {
  font-size: .72rem;
  color: rgba(255,255,255,.4);
  text-transform: uppercase;
  letter-spacing: .07em;
}
.stat-sep {
  width: 1px; height: 40px;
  background: rgba(255,255,255,.1);
  flex-shrink: 0;
}

/* ─── Intro ──────────────────────────────────────────────── */
.section-intro { background: var(--white); }
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.intro-text h2 { margin-bottom: 1.25rem; }
.intro-text p  { color: var(--gray-700); }
.intro-text .btn { margin-top: 1.5rem; }

.intro-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.intro-card {
  background: var(--green-light);
  border: 1px solid var(--green-mid);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  transition: transform .2s, box-shadow .2s;
}
.intro-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.intro-card-icon {
  width: 40px; height: 40px;
  background: #2a5700;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  margin-bottom: .25rem;
}
.intro-card strong {
  font-size: .95rem;
  font-weight: 700;
  color: var(--gray-900);
}
.intro-card span {
  font-size: .78rem;
  color: #2a5700;
}

/* ─── Features ───────────────────────────────────────────── */
.section-features { background: var(--gray-50); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.25rem;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-mid);
}
.feature-icon {
  width: 46px; height: 46px;
  background: var(--green-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: .9rem;
  color: #2a5700;
}
.feature-card h3 { margin-bottom: .45rem; font-size: .93rem; }
.feature-card p  { font-size: .84rem; color: var(--gray-500); margin: 0; }

/* ─── Benefits ───────────────────────────────────────────── */
.section-benefits { background: var(--white); }
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.benefit-card {
  padding: 1.75rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.benefit-card:hover {
  border-color: var(--purple-mid);
  box-shadow: 0 4px 20px rgba(95,40,255,.1);
  transform: translateY(-2px);
}
.benefit-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--purple-light);
  line-height: 1;
  margin-bottom: .75rem;
}
.benefit-card h3 { font-size: .93rem; margin-bottom: .45rem; }
.benefit-card p  { font-size: .84rem; color: var(--gray-500); margin: 0; }

.benefits-cta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  padding-top: 2.5rem;
  border-top: 1px solid var(--gray-200);
}
.benefits-cta > p {
  flex: 1;
  min-width: 200px;
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
}

/* ─── virtuTEL ───────────────────────────────────────────── */
.section-virtutel { background: var(--gray-50); }
.virtutel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.virtutel-text p { color: var(--gray-700); }
.virtutel-text .btn { margin-top: 1.5rem; }
.virtutel-list {
  margin: 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: .8rem;
}
.virtutel-list li {
  display: flex;
  gap: .75rem;
  font-size: .9rem;
  align-items: flex-start;
}
.li-arrow { color: var(--green-dark); font-weight: 700; flex-shrink: 0; }

.virtutel-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}
.vcard-header {
  background: var(--green);
  color: var(--black);
  padding: 1rem 1.5rem;
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .01em;
}
.vcard-body { padding: 1.25rem; display: flex; flex-direction: column; gap: 1rem; }
.vcard-row  { display: flex; gap: 1rem; align-items: center; }
.vcard-icon {
  width: 40px; height: 40px;
  background: var(--green-light);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.vcard-row strong { display: block; font-size: .85rem; color: var(--gray-900); margin-bottom: .15rem; }
.vcard-row span   { font-size: .75rem; color: var(--gray-500); }

/* ─── Contact ────────────────────────────────────────────── */
.section-contact { background: var(--black); }
.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.contact-text h2 { color: var(--white); font-size: clamp(1.4rem, 2.5vw, 2rem); margin: 1rem 0 .75rem; }
.contact-text > p { color: rgba(255,255,255,.55); margin-bottom: 1.5rem; }
.contact-phone {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--green);
  margin-bottom: 1.75rem;
  letter-spacing: .01em;
  transition: color .15s;
}
.contact-phone:hover { color: var(--white); }
.contact-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.contact-visual { display: flex; justify-content: center; }
.contact-acd-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  text-align: center;
  min-width: 240px;
}
.acd-card-label {
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin-bottom: 1.5rem;
}
.acd-card-stat { font-size: .75rem; color: rgba(255,255,255,.45); text-transform: uppercase; letter-spacing: .05em; }
.acd-card-stat span {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--green);
  line-height: 1;
  letter-spacing: 0;
  text-transform: none;
  margin-bottom: .2rem;
}
.acd-card-divider { height: 1px; background: rgba(255,255,255,.08); margin: 1rem 0; }

/* ─── Footer ─────────────────────────────────────────────── */
.site-footer { background: #060a04; color: rgba(255,255,255,.45); }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  padding-top: 3rem;
  padding-bottom: 3rem;
}
.footer-brand > p { font-size: .85rem; margin: .9rem 0 .75rem; }
.footer-phone {
  font-weight: 600;
  font-size: .9rem;
  color: var(--green);
  transition: color .15s;
}
.footer-phone:hover { color: var(--white); }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.footer-col h4 {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.28);
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: .6rem; }
.footer-col a  { font-size: .85rem; transition: color .15s; }
.footer-col a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.07); padding: 1.25rem 0; }
.footer-bottom p { font-size: .77rem; text-align: center; }
.footer-bottom a { color: rgba(255,255,255,.3); }
.footer-bottom a:hover { color: var(--white); }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .intro-grid, .virtutel-grid, .contact-box { grid-template-columns: 1fr; gap: 3rem; }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner  { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 768px) {
  .top-bar-links { display: none; }
  .main-nav, .header-ctas { display: none; }
  .nav-toggle { display: flex; }
  .stat-sep { display: none; }
  .stat-item { padding: .6rem 1.2rem; }
  .benefits-grid { grid-template-columns: 1fr; }
  .intro-cards { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .contact-visual { display: none; }
}
@media (max-width: 480px) {
  .footer-cols { grid-template-columns: 1fr; }
  .hero-ctas   { flex-direction: column; }
  .benefits-cta { flex-direction: column; align-items: flex-start; }
}

/* ─── Mobile Nav open ────────────────────────────────────── */
@media (max-width: 768px) {
  .site-header.nav-open .main-nav {
    display: block;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 1rem clamp(16px, 4vw, 48px) 1.5rem;
    z-index: 99;
  }
  .site-header.nav-open .main-nav ul { flex-direction: column; gap: 1rem; }
  .site-header.nav-open .header-ctas {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: calc(64px + 172px);
    left: clamp(16px, 4vw, 48px);
    right: clamp(16px, 4vw, 48px);
    z-index: 99;
    background: var(--white);
    padding-bottom: 1rem;
  }
}

/* ─── Scroll fade-in ─────────────────────────────────────── */
.fade-in-ready {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .4s ease, transform .4s ease;
}
.fade-in-ready.visible { opacity: 1; transform: translateY(0); }