/* ============================================
   supporting.de – Premium IT-Support Design
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: #1e293b;
  background: linear-gradient(180deg, #ffffff 20%, #edf2f8 45%, #dde6f0 70%, #cdd9e8 100%);
  background-attachment: fixed;
  line-height: 1.7;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  scrollbar-gutter: stable;
}
a { color: #284473; }

/* ---------- NAV ---------- */
.nav {
  background: transparent;
  display: flex;
  justify-content: center;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0 24px;
  height: 64px;
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 4px 20px rgba(0,0,0,.08);
  transition: background .3s;
}
.nav-logo {
  position: absolute;
  left: 24px;
  height: 0;
  opacity: 0;
  transition: opacity .4s;
}
.nav.scrolled { background: rgba(255,255,255,.95); backdrop-filter: blur(8px); }
.nav.scrolled .nav-logo { height: 54px; opacity: 1; }
.nav a {
  color: #475569;
  text-decoration: none;
  font-size: .95rem;
  font-weight: 600;
  padding: 14px 20px;
  margin: 4px 3px;
  border-radius: 10px;
  background: #f8fafc;
  transition: background .25s, color .25s;
  white-space: nowrap;
}
.nav a:hover { background: #eef3f9; color: #284473; }
.nav a.active { background: #284473; color: #fff; }
.nav-toggle { display: none; background: none; border: none; color: #1e293b; font-size: 1.5rem; cursor: pointer; padding: 16px 20px; }
@media (max-width: 700px) {
  .nav { flex-wrap: wrap; padding: 0; }
  .nav-toggle { display: block; width: 100%; text-align: right; }
  .nav-logo { display: block; height: 42px !important; opacity: 1 !important; position: static; margin: 0 auto 0 16px; }
  .nav-toggle { width: auto; }
  .nav a { display: none; width: 100%; text-align: center; padding: 14px; border-top: 1px solid #f1f5f9; }
  .nav a.active { box-shadow: none; background: #eef3f9; }
  .nav.open a { display: block; }
}

/* ---------- LOGO BAR ---------- */
.logo-bar {
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 20px 12px;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
}
.logo-bar-logo { flex-shrink: 0; }
.logo-bar-logo img { max-width: 280px; width: 100%; height: auto; }
.logo-bar-trust {
  display: flex;
  gap: 16px;
  flex: 1 1 0;
}
.logo-bar-trust-left { justify-content: flex-end; }
.logo-bar-trust-right { justify-content: flex-start; }
.logo-bar-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-bar-trust-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  opacity: .6;
}
.logo-bar-trust-text {
  text-align: left;
  font-size: .75rem;
  color: #94a3b8;
  line-height: 1.4;
}
.logo-bar-trust-text strong {
  display: block;
  font-size: .8rem;
  color: #475569;
  font-weight: 600;
}
@media (max-width: 700px) {
  .logo-bar { display: none; }
}

/* ---------- HEADER IMAGE ---------- */
.header-img {
  width: 100%;
  position: relative;
  overflow: hidden;
  max-height: 80vh;
}
.header-img > img {
  width: 100%;
  height: auto;
  display: block;
  object-position: 35% 30%;
}
/* ---------- HEADER OVERLAY ---------- */
.header-overlay {
  position: absolute;
  top: 17%;
  left: 40px;
  transform: translateY(-17%);
  z-index: 2;
  max-width: 780px;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  padding: 36px 40px;
  border-radius: 20px;
  text-align: center;
  z-index: 3;
  pointer-events: auto;
}
.header-overlay a { pointer-events: auto; }
.header-overlay .hero-badge { margin-bottom: 16px; }
.header-overlay-breadcrumb { font-size: .88rem; color: #94a3b8; margin-bottom: 12px; }
.header-overlay-breadcrumb a { color: #284473; text-decoration: underline; font-weight: 600; }
.header-overlay-breadcrumb a:hover { color: #1e3660; }
.header-overlay-breadcrumb span { margin: 0 8px; color: #cbd5e1; }
.header-overlay-page .header-overlay-accent { font-size: 2rem; }
.header-overlay-page .header-overlay-accent a { color: inherit; text-decoration: none; }
.header-overlay-page .header-overlay-accent a:hover { text-decoration: underline; }
.header-overlay-buttons { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-top: 20px; }
.header-overlay-headline {
  font-size: 1.8rem;
  font-weight: 800;
  color: #9C0D29;
  line-height: 1.3;
  letter-spacing: -.02em;
  margin-bottom: 12px;
}
.header-overlay-accent {
  font-size: 2.4rem;
  font-weight: 800;
  color: #284473;
  line-height: 1.2;
  letter-spacing: -.03em;
  margin-bottom: 16px;
}
.header-overlay-text {
  font-size: 1rem;
  color: #475569;
  line-height: 1.7;
}
@media (max-width: 700px) {
  .header-overlay {
    left: 16px;
    right: 16px;
    max-width: none;
    padding: 24px;
    top: auto;
    bottom: 20px;
    transform: none;
  }
  .header-overlay-headline { font-size: 1.3rem; }
  .header-overlay-accent { font-size: 1.6rem; }
}

.header-logo-overlay {
  position: absolute;
  top: 24px;
  left: 32px;
  z-index: 2;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(6px);
  padding: 12px 20px;
  border-radius: 14px;
}
.header-logo {
  max-width: 294px;
  height: auto;
}

/* ---------- BREADCRUMB ---------- */
.breadcrumb { padding: 16px 32px 0; text-align: left; font-size: .88rem; color: #94a3b8; }
.breadcrumb a { color: #284473; text-decoration: none; font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 8px; color: #cbd5e1; }

/* ---------- HEADLINE BAR ---------- */
.headline-bar {
  background: #E8E8E8;
  text-align: center;
  padding: 24px 24px;
  margin: 0 -48px 28px;
  width: calc(100% + 96px);
}
.headline-bar p {
  font-size: 3.4rem;
  font-weight: 800;
  color: #9C0D29;
  letter-spacing: -.03em;
  line-height: 1.2;
  margin: 0;
}

/* ---------- HERO ---------- */
.hero {
  background: transparent;
  text-align: center;
  padding: 48px 24px 72px;
  position: relative;
  z-index: 1;
}
.hero-inner { max-width: 760px; margin: 0 auto; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #284473;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: 40px;
  margin-bottom: 28px;
  border: none;
  letter-spacing: .02em;
}
.hero-badge::before { content: ''; width: 8px; height: 8px; background: #284473; border-radius: 50%; }
.hero h1 {
  font-size: 3.4rem;
  font-weight: 800;
  color: #284473;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -.03em;
}
.hero h1 .accent { color: #284473; }
.hero-text {
  font-size: 1.2rem;
  color: #64748b;
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.hero-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-bottom: 52px; }
.hero-trust {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 18px 24px;
  flex: 0 1 auto;
  box-shadow: 0 2px 8px rgba(0,0,0,.03);
}
.trust-icon {
  width: 44px; height: 44px;
  background: #eef3f9;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.trust-text { text-align: left; }
.trust-text strong { display: block; font-size: .95rem; color: #0f172a; font-weight: 700; }
.trust-text span { font-size: .82rem; color: #94a3b8; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-block;
  padding: 16px 36px;
  border-radius: 12px;
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  transition: all .3s;
  letter-spacing: .01em;
}
.btn-primary {
  background: #284473;
  color: #fff;
  box-shadow: 0 2px 12px rgba(13,148,136,.25);
}
.btn-primary:hover { background: #1e3660; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(13,148,136,.3); }
.btn-secondary {
  background: #0f172a;
  color: #fff;
  box-shadow: 0 2px 12px rgba(15,23,42,.15);
}
.btn-secondary:hover { background: #1e293b; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(15,23,42,.2); }
.btn-light {
  background: #fff;
  color: #0f172a;
  border: 1.5px solid #e2e8f0;
}
.btn-light:hover { border-color: #284473; color: #284473; transform: translateY(-2px); }

/* ---------- SECTIONS ---------- */
section { padding: 80px 24px; }
section:nth-child(even) { background: transparent; }
.trust-section { padding-bottom: 0; }
.hero-section { padding-top: 20px; }
.container { max-width: 1100px; margin: 0 auto; padding: 0; box-sizing: border-box; }
.section-title {
  text-align: center;
  font-size: 2.4rem;
  color: #0f172a;
  margin-bottom: 14px;
  font-weight: 800;
  letter-spacing: -.02em;
}
.section-sub {
  text-align: center;
  max-width: 580px;
  margin: 0 auto 52px;
  color: #64748b;
  font-size: 1.1rem;
}
.section-card {
  background: #fff;
  border-radius: 20px;
  padding: 48px;
  box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 6px 24px rgba(0,0,0,.05);
  border: 1px solid #f1f5f9;
}

/* ---------- SERVICE CARDS (Startseite) ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 32px 28px;
  transition: all .3s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.service-card:hover {
  border-color: #284473;
  box-shadow: 0 8px 28px rgba(13,148,136,.08);
  transform: translateY(-4px);
}
.service-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}
.si-teal  { background: #eef3f9; color: #284473; }
.si-amber { background: #fffbeb; color: #d97706; }
.si-indigo { background: #eef2ff; color: #6366f1; }
.si-rose  { background: #fff1f2; color: #e11d48; }
.service-card h3 { font-size: 1.1rem; font-weight: 700; color: #0f172a; margin-bottom: 8px; }
.service-card p { font-size: .95rem; color: #64748b; line-height: 1.6; }
@media (max-width: 900px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .services-grid { grid-template-columns: 1fr; } }

/* ---------- LEISTUNGEN ACCORDION ---------- */
.accordion { max-width: 100%; columns: 2; column-gap: 20px; }
.acc-item {
  break-inside: avoid;
  overflow: hidden;
  background: #fff;
  border-radius: 14px;
  margin-bottom: 12px;
  border: 1px solid #e2e8f0;
  transition: all .3s;
}
.acc-item:hover { border-color: #cbd5e1; }
.acc-header {
  display: flex; align-items: center; gap: 14px; padding: 20px 24px;
  cursor: pointer; user-select: none; border: none; background: none;
  width: 100%; text-align: left; font-family: inherit;
}
.acc-header:hover { background: #f8fafc; }
.acc-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; background: #284473; }
.acc-item:nth-child(3n+2) .acc-dot { background: #f59e0b; }
.acc-item:nth-child(3n)   .acc-dot { background: #6366f1; }
.acc-title { font-size: 1.05rem; font-weight: 600; flex: 1; color: #1e293b; margin: 0; }
.acc-arrow { font-size: .85rem; color: #94a3b8; transition: transform .3s, color .3s; flex-shrink: 0; }
.acc-item.open { border-color: #284473; background: #eef3f9; }
.acc-item.open .acc-arrow { transform: rotate(180deg); color: #284473; }
.acc-item.open .acc-title { color: #284473; }
.acc-body { max-height: 0; overflow: hidden; transition: max-height .4s; }
.acc-body-inner { padding: 0 24px 22px 48px; font-size: 1rem; color: #64748b; line-height: 1.8; }
@media (max-width: 760px) { .accordion { columns: 1; } }

/* ---------- STEPS ---------- */
.steps { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.step {
  flex: 1 1 180px; max-width: 200px; text-align: center;
  padding: 28px 16px; background: #fff; border-radius: 16px;
  border: 1px solid #e2e8f0; transition: all .3s;
}
.step:hover { border-color: #284473; transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.06); }
.step-num {
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 700; margin: 0 auto 14px; color: #fff;
}
.sn-1 { background: #284473; }
.sn-2 { background: #f59e0b; }
.sn-3 { background: #6366f1; }
.sn-4 { background: #284473; }
.sn-5 { background: #f59e0b; }
.step h4 { font-size: 1rem; margin-bottom: 6px; font-weight: 700; color: #0f172a; }
.step p { font-size: .88rem; color: #64748b; line-height: 1.6; }

/* ---------- PAGE HERO ---------- */
.page-hero {
  background: linear-gradient(170deg, #eef3f9 0%, #fff 100%);
  text-align: center;
  padding: 56px 24px 32px;
}
.page-hero h1 { font-size: 2.8rem; font-weight: 800; color: #0f172a; margin-bottom: 12px; letter-spacing: -.02em; }
.page-hero p { font-size: 1.15rem; color: #64748b; max-width: 560px; margin: 0 auto; }

/* ---------- KONTAKT ---------- */
.contact-wrapper { display: flex; flex-wrap: wrap; gap: 48px; }
.contact-photo {
  width: 140px; height: 140px; border-radius: 50%;
  background: #f1f5f9; margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  color: #94a3b8; font-size: .85rem; overflow: hidden;
  border: 3px solid #e2e8f0;
}
.contact-photo img { width: 100%; height: 100%; object-fit: cover; }
.contact-info { flex: 1 1 280px; }
.contact-info h3 { color: #0f172a; margin-bottom: 16px; font-size: 1.2rem; font-weight: 700; }
.contact-info p { font-size: 1rem; color: #64748b; margin-bottom: 16px; }
.info-item { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; font-size: 1rem; color: #475569; }
.info-icon {
  width: 42px; height: 42px; background: #eef3f9; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0; border: 1px solid #c8d9eb;
}
.contact-form { flex: 1 1 400px; }
.contact-form label { font-size: .9rem; margin-top: 14px; display: block; color: #475569; font-weight: 500; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 13px 16px; border: 1.5px solid #e2e8f0; border-radius: 10px;
  font-size: 1rem; margin-top: 6px; font-family: inherit; transition: border-color .2s;
  background: #fff;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: #284473; box-shadow: 0 0 0 3px rgba(13,148,136,.08); }
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form button {
  width: 100%; margin-top: 20px; border: none; background: #284473; color: #fff;
  font-weight: 600; cursor: pointer; padding: 16px; font-size: 1.05rem;
  border-radius: 12px; font-family: inherit; transition: all .3s;
  box-shadow: 0 2px 12px rgba(13,148,136,.2);
}
.contact-form button:hover { background: #1e3660; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(13,148,136,.3); }
.hp { position: absolute; left: -10000px; }
.checkbox-row { display: flex; gap: 10px; align-items: flex-start; margin-top: 14px; }
.checkbox-row input { width: auto; margin-top: 5px; }
.checkbox-row label { margin-top: 0; font-size: .88rem; color: #64748b; }
.legal { font-size: .8rem; color: #94a3b8; margin-top: 12px; }
.msg { padding: 16px 24px; border-radius: 12px; font-size: 1rem; margin-bottom: 20px; display: none; }
.msg-ok { background: #eef3f9; border: 1px solid #c8d9eb; color: #065f46; display: block; }
.msg-error { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; display: block; }

/* ---------- MODALS ---------- */
.modal-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(15,23,42,.6); backdrop-filter: blur(4px); z-index: 200; justify-content: center; align-items: center; padding: 20px; }
.modal-overlay.open { display: flex; }
.modal { background: #fff; border-radius: 20px; max-width: 680px; width: 100%; max-height: 88vh; overflow-y: auto; padding: 44px; position: relative; box-shadow: 0 24px 64px rgba(0,0,0,.15); }
.modal-close { position: absolute; top: 18px; right: 22px; background: #f1f5f9; border: none; width: 36px; height: 36px; border-radius: 10px; font-size: 1.2rem; color: #64748b; cursor: pointer; transition: all .2s; display: flex; align-items: center; justify-content: center; }
.modal-close:hover { background: #e2e8f0; color: #0f172a; }
.modal h2 { font-size: 1.5rem; color: #0f172a; margin-bottom: 24px; font-weight: 700; }
.modal img { max-width: 100%; height: auto; border-radius: 12px; margin-bottom: 24px; }
.modal h3 { font-size: 1rem; color: #0f172a; margin: 20px 0 8px; font-weight: 600; }
.modal p { font-size: .93rem; color: #64748b; line-height: 1.7; margin-bottom: 8px; }

/* ---------- FOOTER ---------- */
footer { background: #0f172a; color: #94a3b8; text-align: center; padding: 48px 24px; font-size: .9rem; }
footer a { color: #5b8abf; text-decoration: none; }
footer a:hover { color: #fff; }
footer .footer-links { margin-bottom: 16px; display: flex; justify-content: center; gap: 32px; flex-wrap: wrap; }

/* ---------- BACK TO TOP ---------- */
.back-top {
  position: fixed; bottom: 28px; right: 28px; width: 46px; height: 46px;
  background: #284473; color: #fff; border: none; border-radius: 50%;
  font-size: 1.2rem; cursor: pointer; box-shadow: 0 4px 14px rgba(13,148,136,.3);
  opacity: 0; pointer-events: none; transition: all .3s; z-index: 100;
}
.back-top.visible { opacity: 1; pointer-events: auto; }
.back-top:hover { background: #1e3660; transform: translateY(-3px); }

/* ---------- FLOATING CTA ---------- */
.floating-cta {
  position: fixed; top: 50%; left: 0; z-index: 100;
  transform: translateY(-50%);
}
.floating-cta-btn {
  width: 66px; height: 66px; border-radius: 0 14px 14px 0; border: none;
  background: #284473; color: #fff; font-size: 1.8rem; cursor: pointer;
  box-shadow: 2px 2px 12px rgba(40,68,115,.4);
  transition: all .3s; display: flex; align-items: center; justify-content: center;
}
.floating-cta-btn:hover { background: #1e3660; width: 74px; }
.floating-cta-menu {
  position: absolute; top: 50%; left: 74px;
  transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 10px;
  opacity: 0; pointer-events: none; transform: translateY(-50%) translateX(-10px);
  transition: all .3s;
}
.floating-cta.open .floating-cta-menu {
  opacity: 1; pointer-events: auto; transform: translateY(-50%) translateX(0);
}
.floating-cta-menu a {
  display: flex; align-items: center; gap: 10px;
  background: #fff; color: #1e293b; text-decoration: none;
  padding: 10px 16px; border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,.12);
  font-size: .9rem; font-weight: 600; white-space: nowrap;
  transition: all .2s;
}
.floating-cta-menu a:hover { background: #f1f5f9; transform: translateX(4px); }
.floating-cta-menu .cta-icon {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0; color: #fff;
}
.cta-icon-form { background: #284473; }
.cta-icon-wa { background: #25D366; }
.cta-icon-email { background: #f59e0b; }
.cta-icon-tg { background: #0088cc; }

@media (max-width: 700px) {
  .floating-cta-btn { width: 66px; height: 66px; font-size: 1.8rem; }
  .floating-cta-menu a { padding: 10px 16px; font-size: .9rem; }
}

/* ---------- FERNWARTUNG ---------- */
.content-card { margin-bottom: 32px; }
.content-card h2 { font-size: 1.5rem; font-weight: 700; color: #0f172a; margin-bottom: 16px; }
.content-card p { font-size: 1.05rem; color: #64748b; line-height: 1.8; margin-bottom: 16px; }
.content-card ol { padding-left: 0; list-style: none; counter-reset: fw-step; }
.content-card ol li {
  counter-increment: fw-step; padding: 16px 0; font-size: 1.05rem; color: #475569;
  border-bottom: 1px solid #f1f5f9; display: flex; align-items: center; gap: 16px;
}
.content-card ol li:last-child { border-bottom: none; }
.content-card ol li::before {
  content: counter(fw-step); width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .95rem; flex-shrink: 0; color: #fff;
}
.content-card ol li:nth-child(3n+1)::before { background: #284473; }
.content-card ol li:nth-child(3n+2)::before { background: #f59e0b; }
.content-card ol li:nth-child(3n)::before   { background: #6366f1; }
.hint {
  background: #eef3f9; border: 1px solid #c8d9eb; border-left: 4px solid #284473;
  padding: 20px 24px; border-radius: 0 12px 12px 0; font-size: 1rem; color: #475569; margin-top: 28px;
}
.hint strong { color: #284473; }
.btn-wrapper { text-align: center; margin-top: 44px; }
.btn-fernwartung {
  display: inline-block; padding: 20px 60px; background: #284473; color: #fff;
  font-size: 1.2rem; font-weight: 700; border: none; border-radius: 14px;
  cursor: pointer; text-decoration: none; transition: all .3s;
  box-shadow: 0 4px 16px rgba(13,148,136,.25);
}
.btn-fernwartung:hover { background: #1e3660; transform: translateY(-3px); box-shadow: 0 8px 28px rgba(13,148,136,.35); }
.btn-note { text-align: center; margin-top: 12px; font-size: .9rem; color: #94a3b8; }

/* ---------- RESPONSIVE: TABLET ---------- */
@media (max-width: 900px) {
  body { font-size: 16px; }
  section { padding: 48px 16px; }
  .section-card { padding: 32px 20px; }
  .section-title { font-size: 2rem; }
  .section-sub { font-size: 1rem; margin-bottom: 36px; }
  .hero h1, .headline-bar p { font-size: 2.4rem; }
  .header-overlay { max-width: 520px; padding: 28px 28px; }
  .header-overlay-accent { font-size: 1.8rem; }
  .header-overlay-headline { font-size: 1.4rem; }
  .header-overlay-text { font-size: .9rem; }
  .btn { padding: 14px 28px; font-size: .95rem; }
  .btn-fernwartung { padding: 14px 36px; font-size: 1rem; }
  .steps { gap: 12px; }
  .step { flex: 1 1 140px; max-width: 170px; padding: 20px 12px; }
  .step h4 { font-size: .9rem; }
  .step p { font-size: .82rem; }
}

/* ---------- RESPONSIVE: SMARTPHONE ---------- */
@media (max-width: 700px) {
  body { font-size: 15px; }
  section { padding: 32px 12px; }

  /* Nav-Menü besser lesbar */
  .nav a { font-size: .9rem; padding: 12px 16px; margin: 0; border-radius: 0; background: #fff; }
  .nav a.active { background: #284473; color: #fff; }

  /* Header-Bild sichtbar, Overlay ausblenden */
  .header-img { max-height: none; }
  .header-overlay { display: none; }

  /* Content-Bereiche */
  .section-card { padding: 24px 16px; }
  .section-title { font-size: 1.5rem; }
  .section-sub { font-size: .95rem; margin-bottom: 28px; }

  /* Headline-Bar (Startseite) */
  .headline-bar { padding: 18px 12px; margin: 0 -16px 20px; width: calc(100% + 32px); }
  .headline-bar p { font-size: 1.5rem; }

  /* Hero-Text (Startseite) */
  .hero h1 { font-size: 1.8rem; }
  .hero-text { font-size: .95rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-trust { flex-direction: column; align-items: stretch; }
  .trust-item { padding: 14px 16px; }
  .trust-text strong { font-size: .9rem; }
  .trust-text span { font-size: .78rem; }

  /* Buttons kleiner */
  .btn { padding: 12px 24px; font-size: .95rem; width: 100%; max-width: 320px; text-align: center; }
  .btn-fernwartung { padding: 12px 28px; font-size: .95rem; }

  /* Page-Hero (Unterseiten) */
  .page-hero { padding: 32px 16px 20px; }
  .page-hero h1 { font-size: 1.6rem; }
  .page-hero p { font-size: 1rem; }

  /* Schritte */
  .steps { flex-direction: column; align-items: stretch; }
  .step { max-width: 100%; padding: 20px 16px; }
  .step-num { width: 40px; height: 40px; font-size: 1rem; }
  .step h4 { font-size: .95rem; }
  .step p { font-size: .85rem; }

  /* Service Cards */
  .service-card { padding: 24px 20px; }
  .service-card h3 { font-size: 1rem; }
  .service-card p { font-size: .88rem; }

  /* Kontakt */
  .contact-wrapper { gap: 24px; }
  .contact-form input, .contact-form textarea { padding: 11px 14px; font-size: .95rem; }
  .contact-form button { padding: 14px; font-size: .95rem; }

  /* Fernwartung Download-Karten */
  .btn-note { font-size: .82rem; }

  /* Accordion */
  .acc-title { font-size: .95rem; }
  .acc-body-inner { font-size: .9rem; padding: 0 16px 18px 38px; }

  /* Modal */
  .modal { padding: 28px 20px; border-radius: 16px; }
  .modal h2 { font-size: 1.2rem; margin-bottom: 16px; }

  /* Footer */
  footer { padding: 32px 16px; font-size: .82rem; }
  footer .footer-links { gap: 16px; }

  /* Inline-Style Overrides für Startseite */
  .hero-main-title { font-size: 1.8rem !important; }
  .hero-main-text { font-size: .95rem !important; }
  .headline-bar p { font-size: 1.3rem !important; }

  /* Fernwartung Unterseite */
  .section-card h2 { font-size: 1.3rem; }
  .section-card h3 { font-size: 1.1rem; }
}