/* ============================================================
   beratendeingenieure.de — Relaunch 2026
   Design System & Shared Styles
   ============================================================ */

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

/* ---- CSS Variables ---- */
:root {
  --brand-blue:    #3e6298;
  --brand-blue-dk: #2d4a73;
  --brand-blue-lt: #5a7fb8;
  --brand-gray:    #555555;
  --brand-gray-lt: #888888;
  --text:          #2d2d2d;
  --text-light:    #555555;
  --bg:            #ffffff;
  --bg-soft:       #f7f8fa;
  --bg-dark:       #1e2a3a;
  --border:        #dde3ea;
  --shadow:        0 2px 16px rgba(62,98,152,.10);
  --shadow-lg:     0 8px 40px rgba(62,98,152,.16);
  --radius:        8px;
  --radius-lg:     14px;
  --transition:    .22s ease;
  --font:          'Inter', 'Segoe UI', system-ui, sans-serif;
  --container:     1160px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- Typography ---- */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; color: var(--text); }
h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; }
p  { color: var(--text-light); line-height: 1.75; }

.text-center { text-align: center; }
.text-white  { color: #fff !important; }
.text-white p { color: rgba(255,255,255,.85) !important; }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--brand-blue);
  color: #fff;
  border-color: var(--brand-blue);
}
.btn-primary:hover {
  background: var(--brand-blue-dk);
  border-color: var(--brand-blue-dk);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.btn-outline {
  background: transparent;
  color: var(--brand-blue);
  border-color: var(--brand-blue);
}
.btn-outline:hover {
  background: var(--brand-blue);
  color: #fff;
  transform: translateY(-1px);
}
.btn-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.7);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,.15);
  border-color: #fff;
}
.btn-lg { padding: 15px 36px; font-size: 1.05rem; }
.btn-sm { padding: 8px 18px; font-size: .85rem; }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ---- Section spacing ---- */
section { padding: 72px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark  { background: var(--bg-dark); color: #fff; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: rgba(255,255,255,.8); }

.section-label {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--brand-blue);
  margin-bottom: 12px;
}
.section-label-white {
  color: rgba(255,255,255,.65);
}
.section-intro {
  max-width: 640px;
  margin: 0 auto 52px;
}
.section-intro p {
  font-size: 1.05rem;
  margin-top: 12px;
}

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(0,0,0,.07);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 24px;
}
.site-logo {
  flex-shrink: 0;   /* Logo nie zusammendrücken */
  display: flex;
  align-items: center;
}
.site-logo img {
  height: 64px;
  width: auto;
  display: block;
}

/* Nav */
.site-nav { display: flex; align-items: center; gap: 4px; }
.nav-item {
  position: relative;
}
.nav-link {
  display: block;
  padding: 8px 14px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--brand-blue);
  background: rgba(62,98,152,.07);
}
/* Dropdown */
.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;            /* flush — no gap to fall through */
  left: 0;
  min-width: 220px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  padding-top: 14px;    /* visual breathing room that used to be the 6px gap */
}

/* Invisible bridge fills the space between nav-link bottom edge and dropdown top
   so the mouse doesn't leave the hover zone while moving down */
.nav-item::after {
  content: '';
  position: absolute;
  top: 100%;
  left: -10px;
  right: -10px;
  height: 14px;         /* matches padding-top above */
  display: none;
}
.nav-item:hover::after { display: block; }

/* CSS hover — progressive enhancement for pointer devices */
.nav-item:hover .nav-dropdown { display: block; }

/* JS click-toggle — authoritative for all devices */
.nav-item.dropdown-open .nav-dropdown { display: block; }

.nav-dropdown a {
  display: block;
  padding: 9px 14px;
  font-size: .88rem;
  color: var(--text);
  border-radius: 6px;
  transition: all var(--transition);
}
.nav-dropdown a:hover {
  background: var(--bg-soft);
  color: var(--brand-blue);
  padding-left: 20px;
}

/* Header CTA */
.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.header-phone {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--brand-blue);
  border: 1.5px solid var(--brand-blue);
  border-radius: var(--radius);
  padding: 7px 14px;
  transition: all var(--transition);
}
.header-phone:hover {
  background: var(--brand-blue);
  color: #fff;
}
.header-phone svg { width: 15px; height: 15px; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 16px 24px 24px;
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block;
  padding: 10px 0;
  font-size: .95rem;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}
.mobile-nav a:hover { color: var(--brand-blue); }
.mobile-nav .mobile-cta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 30%;
  opacity: .35;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding: 80px 0;
}
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.85);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ============================================================
   SERVICE CARDS
   ============================================================ */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--brand-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.card-icon {
  width: 52px;
  height: 52px;
  background: rgba(62,98,152,.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.card-icon svg { width: 26px; height: 26px; color: var(--brand-blue); }
.service-card h3 { color: var(--text); }
.service-card p { font-size: .9rem; flex: 1; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--brand-blue);
  margin-top: 8px;
  transition: gap var(--transition);
}
.card-link:hover { gap: 10px; }
.card-link svg { width: 14px; height: 14px; }

/* ============================================================
   TRUST / USP STRIP
   ============================================================ */
.trust-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.trust-item {
  background: #fff;
  padding: 28px 24px;
  text-align: center;
}
.trust-number {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--brand-blue);
  line-height: 1;
}
.trust-label {
  font-size: .82rem;
  color: var(--text-light);
  margin-top: 6px;
  font-weight: 500;
}

/* ============================================================
   PROCESS STEPS
   ============================================================ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.step-card {
  position: relative;
  padding: 32px 24px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.step-card::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(62,98,152,.08);
  line-height: 1;
}
.step-card h3 {
  margin-bottom: 8px;
  hyphens: auto;
  -webkit-hyphens: auto;
  overflow-wrap: break-word;
  word-break: break-word;
}
.step-card p  { font-size: .9rem; }

/* step-cards außerhalb von .steps-grid sollen keine Zahl anzeigen */
.step-card--plain::before { display: none; }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--brand-blue-dk) 0%, var(--brand-blue) 60%, var(--brand-blue-lt) 100%);
  padding: 64px 0;
  text-align: center;
}
.cta-banner h2 { color: #fff; margin-bottom: 12px; }
.cta-banner p  { color: rgba(255,255,255,.85); margin-bottom: 32px; font-size: 1.05rem; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.cta-item-label {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255,255,255,.6);
  font-weight: 600;
}
.cta-item-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

/* ============================================================
   NORM BADGES
   ============================================================ */
.norm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.norm-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition);
}
.norm-card:hover {
  border-color: var(--brand-blue);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.norm-number {
  font-size: 1rem;
  font-weight: 700;
  color: var(--brand-blue);
  font-family: monospace;
  letter-spacing: .02em;
}
.norm-title {
  font-size: .88rem;
  font-weight: 600;
  margin: 6px 0 4px;
  color: var(--text);
  hyphens: auto;
  -webkit-hyphens: auto;
  overflow-wrap: break-word;
}
.norm-desc { font-size: .8rem; }

/* ============================================================
   IMAGE + TEXT LAYOUT
   ============================================================ */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-section.reverse { direction: rtl; }
.split-section.reverse > * { direction: ltr; }
.split-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.split-img img { width: 100%; height: 420px; object-fit: cover; }
.split-text { display: flex; flex-direction: column; gap: 20px; }
.split-text h2 { margin-bottom: 4px; }
.split-text ul { display: flex; flex-direction: column; gap: 10px; }
.split-text ul li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .95rem;
  color: var(--text-light);
}
.split-text ul li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-blue);
  margin-top: 8px;
  flex-shrink: 0;
}

/* ============================================================
   PARTNER LOGOS (Footer)
   ============================================================ */
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  justify-content: center;
  align-items: center;
}
.partner-logos a {
  display: flex;
  align-items: center;
  opacity: .65;
  transition: opacity var(--transition);
  filter: grayscale(100%);
}
.partner-logos a:hover {
  opacity: 1;
  filter: grayscale(0);
}
.partner-logos img { height: 38px; width: auto; max-width: 140px; object-fit: contain; }

/* Reference logo strip */
.ref-logo-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: center;
  align-items: center;
}
.ref-logo-grid img {
  height: 32px;
  width: auto;
  opacity: .5;
  filter: grayscale(100%);
  transition: all var(--transition);
  object-fit: contain;
}
.ref-logo-grid img:hover { opacity: .9; filter: grayscale(20%); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.75);
}
.footer-top {
  padding: 56px 0 40px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand p {
  font-size: .88rem;
  color: rgba(255,255,255,.6);
  margin-top: 14px;
  max-width: 260px;
}
.footer-logo {
  height: 52px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: .88;
}
.footer-col h4 {
  color: #fff;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul a {
  font-size: .88rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: #fff; }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,.75);
}
.footer-contact-item svg { width: 16px; height: 16px; color: var(--brand-blue-lt); flex-shrink: 0; }
.footer-contact-item a { color: inherit; transition: color var(--transition); }
.footer-contact-item a:hover { color: #fff; }

.footer-partners {
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-partners-label {
  text-align: center;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255,255,255,.35);
  margin-bottom: 20px;
}
.footer-partner-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: center;
  align-items: center;
}
.footer-partner-logos a {
  display: flex;
  align-items: center;
  opacity: .45;
  transition: opacity var(--transition);
  position: relative;   /* für Tooltip-Positionierung */
}
/* Filter nur auf img, nicht auf ::before (Tooltip) */
.footer-partner-logos a img {
  filter: brightness(0) invert(1);
  transition: filter var(--transition);
}
.footer-partner-logos a:hover { opacity: .85; }
.footer-partner-logos img { height: 56px; width: auto; max-width: 160px; object-fit: contain; }

/* JPG-Logos mit hellem Hintergrund — kein Invert, stattdessen weißes Pill */
.partner-logo-light {
  filter: none !important;
  background: rgba(255,255,255,.92);
  border-radius: 6px;
  padding: 4px 8px;
}

/* Partner-Tooltip */
.footer-partner-logos a {
  position: relative;
}
.footer-partner-logos a[data-tooltip]::before {
  content: attr(data-tooltip);
  white-space: pre-line;
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-dark);
  color: rgba(255,255,255,.9);
  font-size: .78rem;
  line-height: 1.6;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 4px 20px rgba(0,0,0,.4);
  min-width: 200px;
  max-width: 240px;
  pointer-events: none;
  opacity: 0;
  transition: opacity .18s ease, transform .18s ease;
  transform: translateX(-50%) translateY(4px);
  z-index: 100;
}
.footer-partner-logos a[data-tooltip]::after {
  content: '';
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--bg-dark);
  pointer-events: none;
  opacity: 0;
  transition: opacity .18s ease;
  z-index: 100;
}
.footer-partner-logos a[data-tooltip]:hover::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.footer-partner-logos a[data-tooltip]:hover::after {
  opacity: 1;
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .8rem;
  color: rgba(255,255,255,.4);
}
.footer-bottom a { color: rgba(255,255,255,.5); transition: color var(--transition); }
.footer-bottom a:hover { color: #fff; }
.footer-legal { display: flex; gap: 20px; }

/* Social media icons in footer */
.footer-social {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-social-label {
  font-size: .75rem;
  color: rgba(255,255,255,.4);
  white-space: nowrap;
}
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.6);
  transition: background var(--transition), color var(--transition), transform var(--transition);
  flex-shrink: 0;
}
.footer-social a:hover {
  background: var(--brand-blue);
  color: #fff;
  transform: translateY(-2px);
}

/* ============================================================
   PAGE HEADER (inner pages)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--brand-blue-dk) 100%);
  padding: 64px 0;
  text-align: center;
}
.page-hero .section-label { color: rgba(255,255,255,.55); }
.page-hero h1 { color: #fff; margin-bottom: 16px; }
.page-hero p { color: rgba(255,255,255,.8); font-size: 1.05rem; max-width: 600px; margin-inline: auto; }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  margin-bottom: 20px;
  justify-content: center;
}
.breadcrumb a { color: rgba(255,255,255,.55); transition: color var(--transition); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb svg { width: 12px; height: 12px; }

/* ============================================================
   FEATURE LIST
   ============================================================ */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.feature-item:hover {
  border-color: var(--brand-blue);
  box-shadow: var(--shadow);
}
.feature-icon {
  width: 44px;
  height: 44px;
  background: rgba(62,98,152,.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.feature-icon svg { width: 22px; height: 22px; color: var(--brand-blue); }
.feature-text h4 { margin-bottom: 4px; }
.feature-text p  { font-size: .9rem; }

/* ============================================================
   ACCORDION
   ============================================================ */
.accordion { display: flex; flex-direction: column; gap: 8px; }
.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.accordion-trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  background: #fff;
  transition: background var(--transition);
  user-select: none;
}
.accordion-trigger:hover { background: var(--bg-soft); }
.accordion-trigger.open { color: var(--brand-blue); }
.accordion-trigger svg {
  width: 18px; height: 18px;
  transition: transform var(--transition);
  color: var(--brand-blue-lt);
}
.accordion-trigger.open svg { transform: rotate(180deg); }
.accordion-body {
  display: none;
  padding: 0 24px 20px;
  font-size: .9rem;
  color: var(--text-light);
  background: #fff;
  line-height: 1.75;
}
.accordion-body.open { display: block; }

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-info-icon {
  width: 48px; height: 48px;
  background: rgba(62,98,152,.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info-icon svg { width: 22px; height: 22px; color: var(--brand-blue); }
.contact-info-label { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 600; color: var(--brand-blue); }
.contact-info-value { font-size: 1rem; font-weight: 600; color: var(--text); margin-top: 2px; }
.contact-info-value a { transition: color var(--transition); }
.contact-info-value a:hover { color: var(--brand-blue); }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: .84rem; font-weight: 600; color: var(--text); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  font-family: var(--font);
  font-size: .92rem;
  color: var(--text);
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(62,98,152,.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: .8rem; color: var(--text-light); }

/* ============================================================
   REFERENCE GRID
   ============================================================ */
.client-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
}
.client-logo-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.client-logo-item:hover {
  border-color: var(--brand-blue);
  box-shadow: var(--shadow);
}
.client-logo-item img {
  height: 36px;
  width: auto;
  filter: grayscale(100%);
  opacity: .65;
  transition: all var(--transition);
  object-fit: contain;
}
.client-logo-item:hover img { filter: grayscale(0); opacity: 1; }

/* ============================================================
   GUARANTEE CARD
   ============================================================ */
.guarantee-card {
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dk) 100%);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  color: #fff;
}
.guarantee-card h2,
.guarantee-card h3 {
  color: #fff;
  margin-bottom: 16px;
}
.guarantee-card p {
  color: rgba(255,255,255,.85);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 680px;
}

/* ============================================================
   RESPONSIVE — BREAKPOINTS
   900px  → Desktop-Nav weg, Hamburger rein
   700px  → Zweispaltige Layouts auf eine Spalte
   480px  → Kleinste Phones, feinere Anpassungen
   ============================================================ */

/* ── 900 px: Navigation ─────────────────────────────────── */
@media (max-width: 1024px) {

  /* Hamburger sichtbar, Desktop-Nav + CTA-Telefon ausblenden */
  .nav-toggle      { display: flex; }
  .site-nav        { display: none; }
  .header-phone    { display: none; }

  /* Header-CTA: nur noch Kontakt-Button */
  .header-cta .btn { font-size: .8rem; padding: 7px 14px; }

  /* Hero */
  .hero            { min-height: 480px; }
  .hero-content    { max-width: 100%; }
  .hero-actions    { flex-direction: column; gap: 12px; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  /* Trust-Strip: 2 Spalten */
  .trust-strip     { grid-template-columns: 1fr 1fr; }

  /* Service-Grid: 1 Spalte */
  .service-grid    { grid-template-columns: 1fr; }

  /* Split-Section: untereinander */
  .split-section         { grid-template-columns: 1fr; gap: 32px; }
  .split-section.reverse { direction: ltr; }

  /* Steps-Grid: 2 Spalten */
  .steps-grid      { grid-template-columns: 1fr 1fr; }

  /* Norm-Grid: 2 Spalten */
  .norm-grid       { grid-template-columns: repeat(2, 1fr); }

  /* Kontakt-Grid: untereinander */
  .contact-grid    { grid-template-columns: 1fr; gap: 40px; }

  /* Footer-Top: 2 Spalten */
  .footer-top      { grid-template-columns: 1fr 1fr; gap: 32px; }

  /* Footer Social: unter den Links */
  .footer-bottom   { flex-direction: column; align-items: flex-start; gap: 16px; }

  /* Feature-List bleibt flex-column, nichts zu tun */

  /* CTA-Banner Buttons */
  .cta-banner .hero-actions { flex-direction: column; }

  /* Page-Hero */
  .page-hero       { padding: 40px 0; }
}

/* ── 768 px: Tablets / große Phones ────────────────────── */
@media (max-width: 768px) {

  /* Abschnitte etwas weniger Luft */
  section          { padding: 48px 0; }

  /* Trust-Strip: 2 Spalten bleiben, aber kleiner */
  .trust-number    { font-size: 2rem; }

  /* Steps-Grid: 1 Spalte */
  .steps-grid      { grid-template-columns: 1fr; }

  /* Norm-Grid: 1 Spalte */
  .norm-grid       { grid-template-columns: 1fr; }

  /* Client-Logo-Grid: 2 Spalten */
  .client-logo-grid { grid-template-columns: repeat(2, 1fr); }

  /* Ref-Logo-Grid: 3 Spalten */
  .ref-logo-grid   { gap: 20px; }

  /* Partner-Logos: 3 pro Zeile */
  .footer-partner-logos { gap: 20px; }
  .footer-partner-logos img { height: 40px; }

  /* Footer-Top: 1 Spalte */
  .footer-top      { grid-template-columns: 1fr; gap: 28px; }

  /* Split-Bild volle Breite */
  .split-img img   { max-height: 280px; object-fit: cover; width: 100%; border-radius: var(--radius-lg); }

  /* Kontakt-Form */
  .form-row        { grid-template-columns: 1fr !important; }
}

/* ── 480 px: Kleine Phones ──────────────────────────────── */
@media (max-width: 480px) {

  /* Container minimal padding */
  .container       { padding-inline: 16px; }

  /* Trust-Strip: 1 Spalte */
  .trust-strip     { grid-template-columns: 1fr; gap: 12px; }
  .trust-item      { flex-direction: row; justify-content: flex-start; gap: 16px; padding: 12px 0; }
  .trust-number    { font-size: 1.6rem; min-width: 52px; }

  /* Buttons im Hero/CTA */
  .btn-lg          { padding: 13px 24px; font-size: .95rem; }

  /* Header-Logo etwas kleiner */
  .site-logo img   { height: 48px; }

  /* Feature-Item: Icon oben */
  .feature-item    { flex-direction: column; }

  /* Partner-Logos: 2 pro Zeile */
  .footer-partner-logos { gap: 16px; }
  .footer-partner-logos img { height: 32px; }

  /* Footer-Bottom */
  .footer-legal    { flex-direction: column; gap: 8px; }

  /* Client-Logo-Grid: 2 Spalten bleiben */
}

/* ── SCROLL-TO-TOP ───────────────────────────────────────── */
#scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 900;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand-blue);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s, transform .3s;
  transform: translateY(8px);
}
#scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
#scroll-top:hover { background: var(--brand-blue-dk); }
#scroll-top svg { width: 20px; height: 20px; }
@media (max-width: 480px) {
  #scroll-top { bottom: 20px; right: 20px; width: 40px; height: 40px; }
}